CN118961801A - A thermal insulation performance test device for thermal insulation pipe fittings - Google Patents
A thermal insulation performance test device for thermal insulation pipe fittings Download PDFInfo
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- CN118961801A CN118961801A CN202411426625.4A CN202411426625A CN118961801A CN 118961801 A CN118961801 A CN 118961801A CN 202411426625 A CN202411426625 A CN 202411426625A CN 118961801 A CN118961801 A CN 118961801A
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- 238000011056 performance test Methods 0.000 title claims abstract description 40
- 238000009413 insulation Methods 0.000 title abstract description 60
- 238000004804 winding Methods 0.000 claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000005192 partition Methods 0.000 claims abstract description 8
- 238000004321 preservation Methods 0.000 claims description 43
- 230000006835 compression Effects 0.000 claims description 9
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- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 15
- 238000009529 body temperature measurement Methods 0.000 abstract description 7
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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Abstract
本发明涉及保温管检测技术领域，尤其是保温管件保温性能试验装置，包括管件及固接在管件中间的隔板，在隔板两侧均转动安装有绕线轴，牵引绳的两端分别缠绕在两个绕线轴上，用于测温的热流计通过连接结构连接在牵引绳上，在绕线轴端面上同轴线固接有摩擦辊；本发明提供的保温管件保温性能试验装置针对长度的较长的大型保温管进行试验时，通过驱动结构与传动结构的配合使得热流计能够沿保温管的轴向进行移动，从而对保温管不同位置的温度进行检测，不仅能够节约试验人员数据采样所需的时间，也降低了试验人员的劳动强度。
The present invention relates to the field of thermal insulation pipe detection technology, in particular to a thermal insulation performance test device for a thermal insulation pipe fitting, comprising a pipe fitting and a partition fixedly connected in the middle of the pipe fitting, winding shafts are rotatably installed on both sides of the partition, two ends of a traction rope are respectively wound around the two winding shafts, a heat flux meter for temperature measurement is connected to the traction rope through a connecting structure, and a friction roller is coaxially fixedly connected to the end face of the winding shaft; when the thermal insulation performance test device for a thermal insulation pipe fitting provided by the present invention is used to test a large-scale thermal insulation pipe with a long length, the heat flux meter can be moved along the axial direction of the thermal insulation pipe through the cooperation of a driving structure and a transmission structure, so as to detect the temperature at different positions of the thermal insulation pipe, which can not only save the time required for data sampling by test personnel, but also reduce the labor intensity of the test personnel.
Description
Technical Field
The invention relates to the technical field of heat preservation pipe detection, in particular to a heat preservation pipe fitting heat preservation performance test device.
Background
Before construction of many heat preservation projects, a pipeline heat preservation test device is built in a laboratory to simulate the application scene of the real projects, and whether the heat preservation project design scheme is economical and reasonable is verified through test data. In addition, the pipeline heat preservation test device can comprehensively study the influence of different heat preservation materials, heat preservation structures and heat preservation thickness on heat preservation performance.
In the pipeline thermal insulation performance test process, the temperature of the pipeline wall needs to be monitored, in the prior art, a heat flow meter is mostly used as temperature measuring equipment in the pipeline thermal insulation performance test device, a tester pastes the heat flow meter on the pipeline wall through an adhesive tape during test, the heat flow meter collects the temperature of the pipeline wall and wirelessly transmits collected data to a terminal, and the thermal insulation performance of the pipeline can be measured and calculated according to the data received by the terminal.
However, the pipeline heat insulation performance test device has the following problems in the practical application process, when the pipeline heat insulation performance test is carried out on a longer large-sized heat insulation pipe, a large number of data sampling points are required to be arranged in the axis direction of the pipeline for reducing the influence of local data errors on the whole test data, the temperature of the data at the sampling points is measured one by one, after the terminal is received by a tester, the tester is required to detach the heat flow meter to replace the sampling points and paste the sampling points, and in the process, the tester is required to move along the pipeline for many times, so that the test time required by the test is greatly prolonged, and the labor intensity of the tester is also increased.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a heat preservation performance test device for a heat preservation pipe fitting.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The device comprises a pipe fitting and a baffle plate fixedly connected in the middle of the pipe fitting, wherein winding shafts are rotatably arranged on two sides of the baffle plate, two ends of a traction rope are respectively wound on the two winding shafts, a heat flow meter for measuring temperature is connected to the traction rope through a connecting structure, and friction rollers are coaxially fixedly connected on the end faces of the winding shafts;
The two end faces of the pipe fitting are fixedly connected with mounting plates, the two mounting plates are respectively provided with a transmission structure so that the two winding shafts rotate, the transmission structure comprises a rotary body with a round table-shaped thin-wall structure, a first braking structure is arranged on the inner wall of the rotary body so as to brake the friction roller, the first braking structure comprises an inner sliding block, a plurality of inner sliding grooves are formed in the inner wall of the rotary body along the direction of a bus, the inner sliding blocks are slidably matched in the inner sliding grooves, a first guide groove is fixedly connected on the inner sliding block, a first braking block is slidably matched in the first guide groove, a first spring is arranged on the first guide groove so as to apply elastic force to the first braking block, a ring-shaped ring piece is arranged on the winding shaft sleeve, a spring is arranged in the ring piece, one end of the spring is fixedly connected on the inner wall of the ring piece, the other end of the ring piece is fixedly connected with a sleeve with a cylindrical thin-wall structure in a coaxial line, a plurality of first notches are formed in the sleeve in a radial direction, the first notches are in one-to-one correspondence with the inner sliding grooves, the first braking blocks are slidably matched in the first notches, and a second braking structure is arranged on the outer wall of the rotary body so as to brake the rotary body.
Preferably, the second braking structure comprises a rotating sleeve of a cylindrical thin-wall structure, the rotating sleeve is rotatably mounted on the end face of the mounting plate, the rotating sleeve and the rotating body are coaxially arranged, the rotating sleeve is sleeved on the rotating body, a plurality of second notches are radially formed in the rotating sleeve, a plurality of outer sliding grooves are formed in the outer wall of the rotating body along the direction of a bus, the outer sliding grooves and the second notches are in one-to-one correspondence, an outer sliding block is slidingly matched in the outer sliding grooves, a second guide groove is fixedly connected on the outer sliding block, a second braking block is slidingly matched in the second guide groove, the second braking block is slidingly matched in the second notch, a second spring is fixedly connected with the second guide groove to apply elastic force to the second braking block, a friction ring is fixedly connected on the end face of the mounting plate and coaxially arranged on the rotating body, and the friction ring is sleeved on the second braking block, and a driving structure is arranged on the mounting plate to drive the rotating body.
Preferably, the driving structure comprises a rotating pipe and a connecting rod, wherein the rotating pipe is rotatably arranged in the middle of the mounting plate, one end of the connecting rod is fixedly connected with a top plate, the top plate is in sliding fit in the rotating pipe, a key bar is fixedly connected on the inner wall of the rotating pipe, a key slot is formed in the outer edge of the top plate, and the key bar is in sliding fit in the key slot;
The other end of the connecting rod is fixedly connected with a connecting plate which is fixedly connected on the rotating body.
Preferably, the rotating tube is provided with an axial displacement structure to drive the top plate to move along the axial direction of the rotating tube, the axial displacement structure comprises a compression spring and a rotating rod, the rotating shaft is rotationally arranged on the rotating tube, the axial direction of the rotating shaft is radially coincident with that of the rotating tube, the rotating rod with the arc-shaped end part is fixedly connected to the rotating shaft, the distance between the end part of the rotating rod and the rotating shaft is greater than the distance between the rotating shaft and the top plate, and the compression spring is sleeved on the connecting rod to apply elastic force to the top plate.
Preferably, the traction rope is in rolling fit with a movable pulley, and a hook is fixed on the movable pulley.
Preferably, the connecting structure comprises a fastener and a sliding sleeve, and the fastener and the sliding sleeve are fixedly connected to the heat flow meter, wherein the fastener is fixedly connected with the traction rope, and the sliding sleeve is in sliding fit with the traction rope.
Preferably, the winding directions of the traction ropes on the two winding shafts are the same.
Preferably, the friction roller and the first brake block are in contact with each other to generate friction, and the friction ring and the second brake block are in contact with each other to generate friction.
The invention provides a heat preservation performance test device for heat preservation pipe fittings, which has the beneficial effects that: when the heat preservation pipe fitting heat preservation performance test device provided by the invention is used for testing a long large heat preservation pipe, the heat flow meter can move along the axial direction of the heat preservation pipe through the cooperation of the driving structure and the transmission structure, so that the temperature of different positions of the heat preservation pipe can be detected.
Drawings
Fig. 1 is a schematic structural diagram of a thermal insulation performance test device for a thermal insulation pipe fitting according to the present invention.
Fig. 2 is a schematic structural diagram II of a thermal insulation performance test device for a thermal insulation pipe fitting according to the present invention.
Fig. 3 is an enlarged view of a position a in fig. 2 of a thermal insulation performance test device for a thermal insulation pipe fitting according to the present invention.
Fig. 4 is a schematic diagram of the structure of the inside of a pipe fitting of the heat insulation performance test device for heat insulation pipe fittings.
Fig. 5 is a schematic diagram of a partial structure of the thermal insulation performance test device of the thermal insulation pipe fitting in fig. 4.
Fig. 6 is a schematic structural diagram of a pull rope and a winding shaft of a thermal insulation performance test device for thermal insulation pipe fittings according to the present invention.
Fig. 7 is a schematic structural diagram of a mounting plate of a thermal insulation performance test device for thermal insulation pipe fittings.
Fig. 8 is a front view of fig. 7 of a thermal insulation performance test device for a thermal insulation pipe fitting according to the present invention.
FIG. 9 is a sectional view in the direction B-B in FIG. 8 of a thermal insulation performance test device for a thermal insulation pipe fitting according to the present invention.
Fig. 10 is a schematic diagram of the structure inside the friction ring of the heat insulation performance test device for heat insulation pipe fittings.
Fig. 11 is a schematic diagram of the structure inside the sleeve of the heat insulation performance test device for heat insulation pipe fittings.
Fig. 12 is a schematic structural diagram of a rotating body of a thermal insulation performance test device for thermal insulation pipe fittings according to the present invention.
Fig. 13 is a schematic diagram of a structure of a rotating body of the heat insulation performance test device for heat insulation pipe fittings.
Fig. 14 is a schematic structural diagram of the rotation sleeve and the mounting plate of the heat preservation performance test device for heat preservation pipe fittings.
Fig. 15 is a schematic view of the structure inside a rotating pipe of the heat insulation performance test device for heat insulation pipe fittings according to the present invention.
Fig. 16 is a schematic diagram of the inside structure of a rotating pipe of the heat insulation performance test device for heat insulation pipe fittings according to the present invention.
Fig. 17 is an enlarged view of a position C in fig. 16 of a thermal insulation performance test device for a thermal insulation pipe fitting according to the present invention.
Fig. 18 is a schematic diagram of a working state of a thermal insulation performance test device for a thermal insulation pipe fitting according to the present invention.
In the figure: 1. a pipe fitting; 2. a partition plate; 3. a mounting plate; 4. a spool; 5. a traction rope; 6. a spring; 7. a ring; 8. a sleeve; 801. a first notch; 9. a friction roller; 10. a rotating body; 101. an inner chute; 102. an outer chute; 11. an inner slide; 12. a first guide groove; 13. a first spring; 14. a first brake block; 15. an outer slider; 16. a second guide groove; 17. a second spring; 18. a second brake block; 19. a rotating sleeve; 20. a second notch; 21. a friction ring; 22. a connecting plate; 23. a connecting rod; 24. a rotary tube; 25. a compression spring; 26. a top plate; 27. a rotating lever; 28. a key slot; 29. a key bar; 30. a movable pulley; 31. a hook; 32. a heat flow meter; 33. a fastener; 34. a sliding sleeve; 35. a rotating shaft.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Embodiment one: referring to fig. 1-4, a thermal insulation performance test device for a thermal insulation pipe fitting comprises a pipe fitting 1 and a partition plate 2 fixedly connected in the middle of the pipe fitting 1, winding shafts 4 are rotatably installed on two sides of the partition plate 2, two ends of a traction rope 5 are respectively wound on the two winding shafts 4, winding directions of the traction rope 5 on the two winding shafts 4 are the same, a movable pulley 30 is in rolling fit with the traction rope 5, a hook 31 is fixed on the movable pulley 30, a heat flow meter 32 for measuring temperature is connected to the traction rope 5 through a connecting structure, the connecting structure comprises a fastening piece 33 and a sliding sleeve 34, the fastening piece 33 and the sliding sleeve 34 are arranged in parallel, and are fixedly connected to the heat flow meter 32, wherein the fastening piece 33 is fixedly connected with the traction rope 5, and the sliding sleeve 34 is in sliding fit with the traction rope 5.
As shown in fig. 18, when the device is used, the movable pulley 30 is hung on one end of the heat insulation pipe through the hook 31, the pipe fitting 1 is fixed on the other end of the heat insulation pipe, when temperature measurement is needed in the test process, only the two winding shafts 4 are required to be driven to rotate respectively, the traction rope 5 can be wound in the rotation process of the winding shafts 4, the heat flow meter 32 fixed on the traction rope 5 can move along the axial direction of the heat insulation pipe under the action of the tensile force, and therefore the position of the heat flow meter 32 on the heat insulation pipe is adjusted, and the pipe walls at different positions of the heat insulation pipe are subjected to temperature detection.
As shown in fig. 5-16, mounting plates 3 are fixedly connected to two end faces of a pipe fitting 1, transmission structures are respectively arranged on the two mounting plates 3 so as to enable two winding shafts 4 to rotate, the two transmission structures are symmetrically arranged about a partition plate 2, the transmission structures comprise a rotary body 10 with a round table-shaped thin-wall structure, the rotary body 10 can axially move, a rotary sleeve 19 with a cylindrical thin-wall structure is rotatably arranged on the end face of the mounting plate 3, the rotary sleeve 19 and the rotary body 10 are coaxially arranged, the rotary sleeve 19 is sleeved on the rotary body 10, a plurality of second notches 20 are radially arranged on the rotary sleeve 19, a plurality of outer sliding grooves 102 are arranged on the outer wall of the rotary body 10 along the bus direction, the outer sliding grooves 102 are in one-to-one correspondence with the second notches 20, an outer sliding block 15 is slidably matched in the outer sliding grooves 102, a second guide groove 16 is fixedly arranged in the second guide groove 16, a second brake block 18 is slidably matched in the second guide groove 20, the second guide groove 16 is fixedly connected with a second spring 17 so as to apply elastic force to the second brake block 18, a friction ring 21 is fixedly connected on the end face of the mounting plate 3, a friction ring 21 is arranged on the end face of the mounting plate 3, and the rotary body 10 is coaxially arranged on the rotary body 10, and the friction ring 21 is rotatably arranged on the rotary body 10, and the friction ring is driven by the friction ring is arranged on the mounting plate 3.
Taking the example shown in fig. 9, the axial movement of the rotary body 10 corresponds to the upward movement or the downward movement in fig. 9, in which:
When the rotating body 10 moves upwards, the outer slide block 15 slides in the outer slide groove 102 on the outer wall of the rotating body 10, and as the outer slide block 15, the second guide groove 16 and the second brake block 18 are connected and the second brake block 18 is positioned in the second notch 20, the outer slide block 15, the second guide groove 16 and the second brake block 18 cannot move in the vertical direction, and as the outer slide block 15 cannot move upwards in the process of moving upwards the rotating body 10, the outer slide block 15 performs centripetal motion in the horizontal direction in the process of moving upwards the rotating body 10, and the centripetal motion of the outer slide block 15 drives the second guide groove 16 and the second brake block 18 to perform centripetal motion, so that the second brake block 18 is separated from the inner wall of the friction ring 21; the second brake block 18 is separated from the inner wall of the friction ring 21, and no friction is generated between the two brake blocks, so that the rotary body 10 can freely rotate around the axis of the rotary body.
Similarly, when the rotating body 10 moves down, the outer slide block 15 will perform centrifugal movement in the horizontal direction during the downward movement of the rotating body 10, and the centrifugal movement of the outer slide block 15 will drive the second guide groove 16 and the second brake block 18 to perform centrifugal movement, so that the second brake block 18 abuts against the inner wall of the friction ring 21, and friction is generated between the second brake block 18 and the inner wall of the friction ring 21 after the second brake block 18 contacts with the inner wall of the friction ring 21, and the rotating body 10 will be limited and cannot rotate under the action of friction force.
As shown in fig. 5-16, a plurality of inner sliding grooves 101 are formed in the inner wall of a rotating body 10 along the direction of a bus, an inner sliding block 11 is slidably matched in the inner sliding grooves 101, a first guide groove 12 is fixedly connected to the inner sliding block 11, a first brake block 14 is slidably matched in the first guide groove 12, a first spring 13 is arranged on the first guide groove 12 to apply elastic force to the first brake block 14, a ring-shaped ring 7 is sleeved on a winding shaft 4, a spring 6 is arranged in the ring 7, one end of the spring 6 is fixedly connected to the inner wall of the ring 7, the other end of the spring 6 is fixedly connected to the winding shaft 4, a sleeve 8 with a cylindrical thin-wall structure is coaxially fixedly connected to the end face of the ring 7, a plurality of first notches 801 are radially formed in the sleeve 8, the first notches 801 correspond to the inner sliding grooves 101 one by one, the first brake block 14 is slidably matched in the first notches 801, a friction roller 9 is fixedly connected to the end face of the winding shaft 4, and the friction roller 9 is matched with the first brake block 14;
Also taking the example shown in fig. 9, the rotary body 10 is driven to move up or down, wherein:
When the rotating body 10 moves upwards, the inner slide 11 and the inner slide groove 101 will slide relatively, and because the inner slide 11, the first guide groove 12 and the first brake block 14 are connected, and the first brake block 14 is located in the first notch 801 and cannot move vertically, the outer slide 15 will be driven to move centripetally during the upward movement of the rotating body 10, the outer slide 15 will drive the first guide groove 12 and the first brake block 14 to move centripetally, the first brake block 14 will prop against the friction roller 9 and generate friction, and under the action of friction force, the friction roller 9, the first brake block 14 and the sleeve 8 are regarded as fixed connection.
Similarly, when the rotating body 10 moves down, the outer sliding block 15 is driven to perform centrifugal movement in the downward moving process of the rotating body 10, and the outer sliding block 15 drives the first guiding groove 12 and the first brake block 14 to perform centrifugal movement, so that the first brake block 14 is separated from the friction roller 9, and friction is not generated between the friction roller 9 and the first brake block 14, and at this time, the friction roller 9 can rotate freely.
The workflow of the present embodiment includes the steps of:
the first step: in the initial state, the rotating body 10 is moved downward, and based on the description of the first embodiment, it is known that: the rotating body 10 is limited to rotate after moving downwards, and the friction roller 9 can rotate freely.
And a second step of: as shown in fig. 18, the pipe member 1 is fixed to one end of the heat-insulating pipe, and the movable pulley 30 is moved to the other end of the heat-insulating pipe, and the movable pulley 30 is hung on the end surface of the heat-insulating pipe by the hook 31.
In the moving process of the movable pulley 30, the movable pulley 30 can apply the same pulling force to the pulling ropes 5 on the two winding shafts 4, the pulling ropes 5 are wound on the winding shafts 4, and the pulling ropes 5 can drive the winding shafts 4 to rotate after receiving the pulling force given by the movable pulley 30.
During rotation of spool 4: because the friction roller 9 can freely rotate at this time, the winding shaft 4 drives the friction roller 9 to synchronously rotate, and the winding shaft 4 charges the spring 6 in the rotating process.
During the charging of the spring 6: because rotator 10 is spacing and unable rotatory, ring 7 and sleeve pipe 8 fixed connection, and rotator 10 passes through the three of interior slider 11, first guide slot 12 and first brake block 14 and links to each other with sleeve pipe 8, consequently, ring 7 can not rotate to make clockwork spring 6 can continuously fill can not release.
And a third step of: after the movable pulley 30 and the pipe member 1 are fixed to the two ends of the insulating pipe, the rotating body 10 is moved upward, as can be seen from the description of the first embodiment: the rotator 10 can rotate freely after moving upwards, and the friction roller 9, the first brake block 14 and the sleeve 8 are fixedly connected, namely the winding shaft 4 and the rotator 10 are fixedly connected, and the energy of the spring 6 cannot be released. At this time, the winding shaft 4 can be rotated by driving the rotating body 10 to rotate, so as to wind up and pay off the traction rope 5, and drive the heat flow meter 32 to move along the axial direction of the heat insulation pipe, so as to perform temperature measurement on different positions of the pipe wall.
Fourth step: after the temperature measurement work is completed, the rotating body 10 is only required to move downwards to restore to the initial state, the hook 31 is taken down, and at the moment, the spiral spring 6 drives the winding shaft 4 to rotate reversely, so that the traction rope 5 is wound, and the stretched traction rope 5 is stored on the winding shaft 4 again.
Embodiment two: 15-17, the driving structure comprises a rotating tube 24 and a connecting rod 23, the rotating tube 24 is rotatably arranged in the middle of the mounting plate 3, one end of the connecting rod 23 is fixedly connected with a top plate 26, the top plate 26 is in sliding fit in the rotating tube 24, a key bar 29 is fixedly connected on the inner wall of the rotating tube 24, a key slot 28 is arranged on the outer edge of the top plate 26, and the key bar 29 is in sliding fit in the key slot 28; the other end of the connecting rod 23 is fixedly connected with a connecting plate 22, and the connecting plate 22 is fixedly connected on the rotating body 10. The rotating tube 24 is provided with an axial displacement structure for driving the top plate 26 to axially move along the rotating tube 24, the axial displacement structure comprises a compression spring 25 and a rotating rod 27, a rotating shaft 35 is rotatably arranged on the rotating tube 24, the axial direction of the rotating shaft 35 is coincident with the radial direction of the rotating tube 24, the rotating rod 27 with an arc-shaped end part is fixedly connected to the rotating shaft 35, the distance between the end part of the rotating rod 27 and the rotating shaft 35 is greater than the distance between the rotating shaft 35 and the top plate 26, and the compression spring 25 is sleeved on the connecting rod 23 to apply elastic force to the top plate 26.
The present embodiment is mainly used for driving the rotating body 10 to rotate and axially move, and the driving process is as follows:
preferably, the rotating rod 27 is driven to rotate around the rotating shaft 35, the rotating rod 27 presses the top plate 26 in the rotating process and drives the top plate 26 to axially slide in the rotating tube 24, and the top plate 26 compresses the compression spring 25 and simultaneously drives the rotating body 10 to synchronously move through the connecting rod 23 in the process of sliding the top plate 26 in the rotating tube 24, so that the rotating body 10 can axially displace.
Next, after the rotating rod 27 rotates, the test person can drive the rotating tube 24 to rotate by the handle on the rotating rod 27, thereby driving the rotating body 10 to rotate.
Working principle:
When temperature measurement is performed:
S1: the rotating rod 27 is driven to rotate around the rotating shaft 35, the rotating rod 27 presses the top plate 26 in the rotating process and drives the top plate 26 to axially slide in the rotating tube 24, and the top plate 26 compresses the compression spring 25 and simultaneously drives the rotating body 10 to synchronously move through the connecting rod 23 in the process of sliding the top plate 26 in the rotating tube 24, so that the rotating body 10 can axially displace;
By rotating the rotation lever 27 to move the rotation body 10 downward, it is known that, based on the description of the first embodiment described above: the rotating body 10 is limited to rotate after moving downwards, and the friction roller 9 can rotate freely.
S2: as shown in fig. 18, the pipe member 1 is fixed to one end of the heat-insulating pipe, and the movable pulley 30 is moved to the other end of the heat-insulating pipe, and the movable pulley 30 is hung on the end surface of the heat-insulating pipe by the hook 31.
In the moving process of the movable pulley 30, the movable pulley 30 can apply the same pulling force to the pulling ropes 5 on the two winding shafts 4, the pulling ropes 5 are wound on the winding shafts 4, and the pulling ropes 5 can drive the winding shafts 4 to rotate after receiving the pulling force given by the movable pulley 30.
During rotation of spool 4: because the friction roller 9 can freely rotate at this time, the winding shaft 4 drives the friction roller 9 to synchronously rotate, and the winding shaft 4 charges the spring 6 in the rotating process.
During the charging of the spring 6: because rotator 10 is spacing and unable rotatory, ring 7 and sleeve pipe 8 fixed connection, and rotator 10 passes through the three of interior slider 11, first guide slot 12 and first brake block 14 and links to each other with sleeve pipe 8, consequently, ring 7 can not rotate to make clockwork spring 6 can continuously fill can not release.
S3: after the movable pulley 30 and the pipe member 1 are fixed to the two ends of the insulating pipe, the rotating body 10 is moved upward, as can be seen from the description of the first embodiment: the rotator 10 can rotate freely after moving upwards, and the friction roller 9, the first brake block 14 and the sleeve 8 are fixedly connected, namely the winding shaft 4 and the rotator 10 are fixedly connected, and the energy of the spring 6 cannot be released. The test personnel drive the rotation pipe 24 to rotate through the handle on the dwang 27 to drive the rotator 10 and rotate, can make spool 4 rotate, thereby receive line and unwrapping wire to haulage rope 5, with the axial that drives the heat flow meter 32 along the insulating tube removes, in order to carry out the temperature measurement work to the difference of pipe wall.
S4: after the temperature measurement work is completed, the rotating body 10 is only required to move downwards to restore to the initial state, the hook 31 is taken down, and at the moment, the spiral spring 6 drives the winding shaft 4 to rotate reversely, so that the traction rope 5 is wound, and the stretched traction rope 5 is stored on the winding shaft 4 again.
When the heat preservation pipe fitting heat preservation performance test device provided by the invention is used for testing a long large heat preservation pipe with a length, the heat flow meter 32 can move along the axial direction of the heat preservation pipe through the cooperation of the driving structure and the transmission structure, so that the temperature of different positions of the heat preservation pipe can be detected.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The heat preservation performance test device for the heat preservation pipe fitting is characterized by comprising the pipe fitting (1) and a partition plate (2) fixedly connected in the middle of the pipe fitting (1), wherein winding shafts (4) are rotatably arranged on two sides of the partition plate (2), two ends of a traction rope (5) are respectively wound on the two winding shafts (4), a heat flow meter (32) for measuring temperature is connected to the traction rope (5) through a connecting structure, and a friction roller (9) is coaxially fixedly connected on the end surface of the winding shaft (4);
mounting plates (3) are fixedly connected to two end faces of the pipe fitting (1), transmission structures are respectively arranged on the two mounting plates (3) to enable the two winding shafts (4) to rotate, each transmission structure comprises a rotary body (10) with a truncated cone-shaped thin-wall structure, and the rotary bodies (10):
A first braking structure is arranged on the inner wall of the rotating body (10) to brake the friction roller (9), the first braking structure comprises an inner sliding block (11), a plurality of inner sliding grooves (101) are formed in the inner wall of the rotating body (10) along the direction of a bus, the inner sliding block (11) is in sliding fit with the inner sliding grooves (101), a first guide groove (12) is fixedly connected to the inner sliding block (11), a first braking block (14) is slidingly matched in the first guide groove (12), a first spring (13) is arranged on the first guide groove (12) to apply elastic force to the first braking block (14), a circular ring-shaped ring piece (7) is sleeved on the winding shaft (4), a spring (6) is arranged in the ring piece (7), one end of the spring (6) is fixedly connected to the inner wall of the ring piece (7), the other end of the spring is fixedly connected to the winding shaft (4), a sleeve (8) with a cylindrical thin-wall structure is fixedly connected to the end face of the ring piece (7), a plurality of first notches (801) are formed in the radial direction, the first notches (801) correspond to the inner sliding grooves (101) one by one, and the first braking blocks (14) are in sliding fit with the first notches (801);
A second braking structure is arranged on the outer wall of the rotating body (10) to brake the rotating body (10).
2. The heat preservation pipe fitting heat preservation performance test device according to claim 1, wherein the second braking structure comprises a rotating sleeve (19) with a cylindrical thin-wall structure, the rotating sleeve (19) is rotatably arranged on the end face of the mounting plate (3), the rotating sleeve (19) and the rotating body (10) are coaxially arranged, the rotating sleeve (19) is sleeved on the rotating body (10), a plurality of second notches (20) are radially arranged on the rotating sleeve (19), a plurality of outer sliding grooves (102) are arranged on the outer wall of the rotating body (10) along the bus direction, the outer sliding grooves (102) are in one-to-one correspondence with the second notches (20), an outer sliding block (15) is slidably matched with the outer sliding block (15), a second guide groove (16) is fixedly connected on the outer sliding block (15), the second braking block (18) is slidably matched in the second notch (20), a second spring (17) is fixedly connected with the second guide groove (16) so as to apply elastic force to the second braking block (18), a friction ring (21) is fixedly connected on the end face of the mounting plate (3) along the bus direction, the friction ring (21) is fixedly arranged on the second braking block (18), and the friction ring (21) is fixedly arranged on the friction ring (10), a driving structure is arranged on the mounting plate (3) for driving the rotating body (10) to rotate.
3. The heat preservation pipe fitting heat preservation performance test device according to claim 2, wherein the driving structure comprises a rotating pipe (24) and a connecting rod (23), the rotating pipe (24) is rotatably arranged in the middle of the mounting plate (3), one end of the connecting rod (23) is fixedly connected with a top plate (26), the top plate (26) is slidably matched in the rotating pipe (24), a key strip (29) is fixedly connected on the inner wall of the rotating pipe (24), a key groove (28) is formed in the outer edge of the top plate (26), and the key strip (29) is slidably matched in the key groove (28);
The other end of the connecting rod (23) is fixedly connected with a connecting plate (22), and the connecting plate (22) is fixedly connected on the rotating body (10).
4. The heat preservation pipe fitting heat preservation performance test device according to claim 3, wherein an axial displacement structure is arranged on the rotating pipe (24) to drive the top plate (26) to axially move along the rotating pipe (24), the axial displacement structure comprises a compression spring (25) and a rotating rod (27), the rotating shaft (35) is rotatably arranged on the rotating pipe (24), the axial direction of the rotating shaft (35) is radially coincident with the rotating pipe (24), the rotating rod (27) with an arc-shaped end part is fixedly connected to the rotating shaft (35), the distance between the end part of the rotating rod (27) and the rotating shaft (35) is larger than the distance between the rotating shaft (35) and the top plate (26), and the compression spring (25) is sleeved on the connecting rod (23) to apply elastic force to the top plate (26).
5. The heat preservation pipe fitting heat preservation performance test device according to claim 4, wherein a movable pulley (30) is matched on the traction rope (5) in a rolling mode, and a hook (31) is fixed on the movable pulley (30).
6. The heat preservation performance test apparatus of a heat preservation pipe fitting according to claim 5, wherein the connecting structure comprises a fastening piece (33) and a sliding sleeve (34), and the fastening piece (33) and the sliding sleeve (34) are fixedly connected to the heat flow meter (32), wherein the fastening piece (33) is fixedly connected with the traction rope (5), and the sliding sleeve (34) is in sliding fit with the traction rope (5).
7. The heat preservation pipe fitting heat preservation performance test apparatus according to claim 6, wherein winding directions of the traction ropes (5) on the two winding shafts (4) are the same.
8. The heat preservation performance test apparatus of the heat preservation pipe fitting according to claim 7, wherein the friction roller (9) generates friction when contacting with the first brake block (14), and the friction ring (21) generates friction when contacting with the second brake block (18).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411426625.4A CN118961801B (en) | 2024-10-14 | 2024-10-14 | A thermal insulation performance test device for thermal insulation pipe fittings |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411426625.4A CN118961801B (en) | 2024-10-14 | 2024-10-14 | A thermal insulation performance test device for thermal insulation pipe fittings |
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| CN118961801B CN118961801B (en) | 2024-12-13 |
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| CH473702A (en) * | 1968-02-26 | 1969-06-15 | Habegger Ag Maschf | Tow brake for ski lift |
| DE102004003500B3 (en) * | 2004-01-23 | 2005-06-30 | Audi Ag | System for measuring temperature or pressure of fluids in hoses, especially in vehicle cooling systems, comprises sensor which passes through mounting plate into hose, plate being held on hose by separate retaining straps |
| KR20110125308A (en) * | 2010-05-13 | 2011-11-21 | 주규만 | Auto reel device |
| CN205981498U (en) * | 2016-08-26 | 2017-02-22 | 夏莉 | Cryogenic insulation pipeline heat leakage measures on - line measuring device |
| CN216559383U (en) * | 2021-12-22 | 2022-05-17 | 延安广为农业科技有限公司 | Temperature measuring instrument fixing frame for greenhouse cultivation |
| CN118654913A (en) * | 2024-08-20 | 2024-09-17 | 江苏国兴建设项目管理有限公司 | A device and method for testing the overall thermal insulation performance of an air conditioning and ventilation system |
-
2024
- 2024-10-14 CN CN202411426625.4A patent/CN118961801B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH473702A (en) * | 1968-02-26 | 1969-06-15 | Habegger Ag Maschf | Tow brake for ski lift |
| DE102004003500B3 (en) * | 2004-01-23 | 2005-06-30 | Audi Ag | System for measuring temperature or pressure of fluids in hoses, especially in vehicle cooling systems, comprises sensor which passes through mounting plate into hose, plate being held on hose by separate retaining straps |
| KR20110125308A (en) * | 2010-05-13 | 2011-11-21 | 주규만 | Auto reel device |
| CN205981498U (en) * | 2016-08-26 | 2017-02-22 | 夏莉 | Cryogenic insulation pipeline heat leakage measures on - line measuring device |
| CN216559383U (en) * | 2021-12-22 | 2022-05-17 | 延安广为农业科技有限公司 | Temperature measuring instrument fixing frame for greenhouse cultivation |
| CN118654913A (en) * | 2024-08-20 | 2024-09-17 | 江苏国兴建设项目管理有限公司 | A device and method for testing the overall thermal insulation performance of an air conditioning and ventilation system |
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| CN118961801B (en) | 2024-12-13 |
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