CN116242564A - Test bed for static seal test of throttle valve - Google Patents
Test bed for static seal test of throttle valve Download PDFInfo
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- CN116242564A CN116242564A CN202310467398.9A CN202310467398A CN116242564A CN 116242564 A CN116242564 A CN 116242564A CN 202310467398 A CN202310467398 A CN 202310467398A CN 116242564 A CN116242564 A CN 116242564A
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- 238000012360 testing method Methods 0.000 title claims abstract description 86
- 230000003068 static effect Effects 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 238000003780 insertion Methods 0.000 claims abstract description 29
- 230000037431 insertion Effects 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims description 28
- 230000005570 vertical transmission Effects 0.000 claims description 12
- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 238000002474 experimental method Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to the field of throttle valve test, and discloses a test bed for static seal test of a throttle valve, which realizes synchronous filling of filling media of an annular sealing bag through a movable frame and a guide frame which move mutually and a piston cylinder and a piston arranged between the movable frame and the guide frame, so that an insertion pipe is inserted into an opening of the throttle valve and simultaneously the annular sealing bag is synchronously filled and expanded, thereby facilitating insertion, sealing, shrinkage and separation; meanwhile, the bulge loop for limiting the annular sealing bag is arranged to limit the transverse expansion of the annular sealing bag, so that the filling and sealing effects are further ensured; through the transparent cover with grip block simultaneous movement, protect the peripheral seal of choke valve, avoid under the extreme case test medium to take place to splash the pollution test bench, provide the protection to the experimenter when choke valve is disassembled, do not influence experimenter's observation simultaneously.
Description
Technical Field
The invention relates to the field of throttle valve testing, in particular to a test bed for static seal testing of a throttle valve.
Background
The throttle valve relies on varying the size of the orifice to regulate the flow through the valve port. The throttle orifice has the forms of axial triangular groove type, eccentric type, needle type, annular gap type, axial gap type and the like; the tightness of the throttle valve is mainly detected in a test before the delivery of the throttle valve.
Traditional static tightness test relies on manual operation to finish, needs to communicate choke valve one end with the feed liquor pipe of test medium, and the other end opening is two barrels with the measurement beaker, then lets in the choke valve with test medium and keeps pressure, measures the test medium that overflows and then judges its leakproofness, and connection operation is loaded down with trivial details.
The application provides a throttle valve static seal test is with test bench, realizes automatic connection and test.
Disclosure of Invention
The method and the device aim at solving the problem that the operation is complicated because a test medium inlet pipe and a test medium outlet pipe are required to be manually connected in the traditional test; compared with the prior art, the test bed for static sealing test of the throttle valve can realize quick connection and sealing of the inlet pipe and the outlet pipe of the test medium and the throttle valve, and automatically measure the overflow amount.
A test bed for static seal test of a throttle valve comprises a test table, a test mechanism and a computer which are arranged on the test table, and the throttle valve; the test mechanism comprises a bearing disc, a clamping seat fixedly connected with the experiment table is penetrated through the bearing disc, a group of symmetrically arranged plug-in pipe assemblies are arranged on two sides of the clamping seat, each plug-in pipe assembly comprises a plug-in pipe inserted into an opening of the throttle valve, the plug-in pipe is fixedly connected with a movable frame, the movable frame penetrates through a guide frame and is horizontally and slidably connected with the guide frame, and a horizontal screw rod in threaded connection with the movable frame is arranged in the guide frame; the outer end of the guide frame is fixedly connected with the bearing disc through the mounting frame; the outer end of the horizontal screw rod is connected with a vertical transmission shaft extending to the lower part of the bearing disc through a transmission gear set, and the lower end of the vertical transmission shaft is fixedly connected with a driven gear; the driven gear is meshed with a gear ring which is rotationally connected with the bearing disc, a driving gear is meshed with the inner side of the gear ring, and the driving gear is connected with a driving motor;
the outer side of the insertion pipe is sleeved with an annular sealing bag which is abutted against the inner wall of the opening of the throttle valve, the annular sealing bag is connected with a piston cylinder arranged on the outer wall of the guide frame through a communicating pipe, a filling medium is filled in the piston cylinder, a piston is nested in the piston cylinder, and the piston is fixedly connected with the movable frame through a mounting frame;
the insertion pipe at the left side is communicated with a liquid inlet pipe, the liquid inlet pipe is communicated with a booster pump, the booster pump is communicated with a liquid storage tank, and a test medium is filled in the liquid storage tank; the insertion pipe on the right side is communicated with a liquid outlet pipe, the liquid outlet pipe is communicated with a metering tank, and an electronic liquid level meter is inserted in the metering tank.
Further, the clamping seat is provided with a groove for clamping the throttle valve, the end wall of the groove is provided with a group of elastic clamping blocks which are symmetrically arranged and extend into the clamping seat, the elastic clamping blocks are connected with a clamping plate, the lower end of the clamping plate is penetrated with a bidirectional screw rod which is in threaded connection with the clamping plate, and the bidirectional screw rod extends to the front end of the clamping seat and is connected with a screw rod motor; the bearing disc is sleeved with a transparent cover, the transparent cover is fixedly connected with a lifting block, the lifting block is slidably connected with a sliding frame, a vertical screw rod in threaded connection with the lifting block is arranged in the sliding frame, and the vertical screw rod is connected with an extension shaft of the bidirectional screw rod through a speed change gear set for transmission.
Preferably, the bearing plate is a disc provided with a concave cavity, and is fixedly connected with the experiment table through a supporting plate arranged at the lower end of the bearing plate.
Preferably, the insertion tube is a hollow circular tube with two open ends, a group of raised rings are arranged on the insertion tube, and the annular sealing bag is arranged between the group of raised rings.
Preferably, the movable frame is a rectangular frame which is horizontally arranged, the insertion tube penetrates through the inner side frame of the movable frame and is fixedly connected with the inner side frame of the movable frame in a bolt fixing mode, the outer frame of the movable frame is provided with a threaded hole matched with the horizontal screw rod, and the piston is fixedly connected with the inner side of the inner side frame through the mounting frame.
Preferably, the guide frame is a rectangular frame which is arranged horizontally, a through hole for the movable frame to penetrate is formed in the outer frame of the guide frame, and two ends of the horizontal screw rod are rotatably connected with the inner wall of the guide frame through bearing seats; the piston cylinder is fixedly connected with the outer wall of the inner frame of the guide frame.
Preferably, the installation frame is a square frame which is vertically arranged and is provided with openings at the upper end and the lower end, and the vertical transmission shaft is nested in the installation frame.
Preferably, the gear ring is a ring gear, the upper part of the gear ring is provided with an annular part which is integrally formed with the gear ring and has a T-shaped section, and the lower end surface of the bearing disc is provided with an annular groove matched with the annular part.
Preferably, the transparent cover is a hollow cylindrical structure with an opening at the lower end, and is made of transparent resin material.
Preferably, the elastic clamping block comprises a mounting box with an inner end opening, a clamping block which is nested in the mounting box in a sliding manner, and a spring which is arranged between the clamping block and the inner wall of the mounting box; the mounting box is fixedly connected with the clamping plate.
Compared with the prior art, the invention has the advantages that:
(1) According to the invention, through the symmetrically arranged plug-in pipe assemblies, automatic and rapid connection between the plug-in pipe and the throttle valve opening is realized; simultaneously, the synchronous expansion sealing of the joint position is realized through an annular sealing bag sleeved on the insertion tube, so that the tightness of connection is ensured; the automatic connection sealing is realized, the automatic metering overflow quantity is realized, and the overall efficiency of the test is improved.
(2) According to the invention, the synchronous filling of the filling medium of the annular sealing bag is realized through the moving frame and the guide frame which move mutually and the piston cylinder and the piston arranged between the moving frame and the guide frame, so that the annular sealing bag is synchronously filled and expanded when the insertion pipe is inserted into the opening of the throttle valve, and the insertion sealing and the contraction separation are convenient; meanwhile, the bulge loop limiting the annular sealing bag is arranged, so that the transverse expansion of the annular sealing bag is limited, and the filling and sealing effects are further ensured.
(3) According to the invention, the elastic clamping blocks arranged in the clamping seat are used for conveniently elastically extruding and fixing the throttle valve, so that the clamping and fixing of throttle valves with different specifications are satisfied, and the throttle valve clamping device has good adaptability.
(4) According to the invention, the periphery of the throttle valve is protected and sealed through the transparent cover which moves synchronously with the clamping blocks, so that the test medium is prevented from splashing and polluting the test bed under extreme conditions, the throttle valve is protected from being disassembled by an experimenter, and meanwhile, the observation of the experimenter is not influenced.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of a left-hand structure of the testing mechanism of the present invention;
FIG. 3 is a schematic diagram of a right-side view of the testing mechanism according to the present invention;
FIG. 4 is a schematic cross-sectional view of a test structure according to the present invention;
FIG. 5 is an enlarged schematic view of the structure shown at A in FIG. 4;
FIG. 6 is a schematic view of an assembled structure of a carrier tray according to the present invention;
FIG. 7 is a schematic view of a bottom view of a carrier tray according to the present invention;
FIG. 8 is a schematic perspective view of an adapter assembly according to the present invention;
FIG. 9 is a schematic perspective view of an annular seal bladder of the present invention;
FIG. 10 is a schematic longitudinal sectional view of the testing mechanism of the present invention.
The reference numerals in the figures illustrate: 1. an experiment table; 2. a testing mechanism; 3. a computer; 4. a throttle valve; 5. a carrying tray; 6. a clamping seat; 7. an insertion tube; 8. an annular seal bladder; 9. a moving frame; 10. a guide frame; 11. a horizontal screw rod; 12. a mounting frame; 13. a vertical transmission shaft; 14. a driven gear; 15. a gear ring; 16. a drive gear; 17. a driving motor; 18. a piston cylinder; 19. a piston; 20. a communicating pipe; 21. a liquid inlet pipe; 22. a booster pump; 23. a liquid storage tank; 24. a liquid outlet pipe; 25. a metering tank; 26. an electronic level gauge; 27. an elastic clamping block; 28. a clamping plate; 29. a two-way screw rod; 30. a screw motor; 31. a transparent cover; 32. a lifting block; 33. a sliding frame; 34. a vertical screw rod; 35. a speed change gear set.
Detailed Description
The embodiments will be described in detail and throughout the specification with reference to the drawings, wherein, based on the embodiments in the application, all other embodiments obtained by persons skilled in the art without making creative efforts are within the scope of protection of the application.
Example 1
The invention provides a test bed for static seal test of a throttle valve, referring to figures 1-9, comprising a test table 1, a test mechanism 2 and a computer 3 which are arranged on the test table 1, and a throttle valve 4; the test mechanism 2 comprises a bearing disc 5, a clamping seat 6 fixedly connected with the experiment table 1 is penetrated through the bearing disc 5, a group of symmetrically arranged plug-in pipe assemblies are arranged on two sides of the clamping seat 6, each plug-in pipe assembly comprises a plug-in pipe 7 inserted into an opening of the throttle valve 4, the plug-in pipe 7 is fixedly connected with a movable frame 9, the movable frame 9 penetrates through a guide frame 10 and is horizontally and slidably connected with the guide frame, and a horizontal screw rod 11 in threaded connection with the movable frame 9 is arranged in the guide frame 10; the outer end of the guide frame 10 is fixedly connected with the bearing plate 5 through a mounting frame 12; the outer end of the horizontal screw rod 11 is connected with a vertical transmission shaft 13 extending to the lower part of the bearing disc 5 through a transmission gear set, and the lower end of the vertical transmission shaft 13 is fixedly connected with a driven gear 14; the driven gear 14 is meshed with a gear ring 15 which is rotationally connected with the bearing disc 5, the inner side of the gear ring 15 is meshed with a driving gear 16, and the driving gear 16 is connected with a driving motor 17;
the outside of the insertion pipe 7 is sleeved with an annular sealing bag 8 which is abutted against the inner wall of the opening of the throttle valve 4, the annular sealing bag 8 is connected with a piston cylinder 18 which is arranged on the outer wall of the guide frame 10 through a communicating pipe 20, a filling medium is filled in the piston cylinder 18, a piston 19 is nested in the piston cylinder 18, and the piston 19 is fixedly connected with the movable frame 9 through a mounting frame; the insertion pipe 7 positioned at the left side is communicated with a liquid inlet pipe 21, the liquid inlet pipe 21 is communicated with a booster pump 22, the booster pump 22 is communicated with a liquid storage tank 23, and a test medium is filled in the liquid storage tank 23; the insertion pipe 7 positioned on the right side is communicated with a liquid outlet pipe 24, the liquid outlet pipe 24 is communicated with a metering tank 25, and an electronic liquid level meter 26 is inserted into the metering tank 25.
Specifically, when the static tightness test of the throttle valve is carried out, the throttle valve 4 is placed into the clamping seat 6 for fixing; starting a driving motor 17, wherein the driving motor 17 drives a gear ring 15 to rotate through a driving gear 16, the gear ring 15 drives vertical transmission shafts 13 in the two groups of plug-in components to rotate, the vertical transmission shafts 13 drive a horizontal screw rod 11 through a transmission gear set, and the horizontal screw rod 11 drives a movable frame 9 to transversely move along a guide frame 10, so that an insertion pipe 7 is inserted into openings on two sides of a throttle valve 4; meanwhile, the moving frame 9 is moved and drives the piston 19 to move, the piston 19 extrudes a filling medium in the piston cylinder 18 into the annular sealing bag 8 through the communicating pipe 20, so that the annular sealing bag 8 expands in volume to fill and seal a gap between the insertion pipe 7 and the inner wall of the opening of the throttle valve 4, quick connection and sealing of the insertion pipe 7 and the opening of the throttle valve 4 are realized, and subsequent testing is facilitated; during testing, the booster pump 22 is started, and the booster pump 22 injects a test medium in the liquid storage tank 23 into the insertion pipe 7 at the left side through the liquid inlet pipe 21 and then is introduced into the valve cavity of the throttle valve 4; if an overflow of the test medium occurs, the overflowed test medium flows from the insertion tube 7 located on the right into the outlet tube 24 and finally into the metering tank 25, and the amount of the overflowed test medium is metered by the electronic level gauge 26.
The driving motor 17, the booster pump 22 and the electronic level gauge 26 are all connected with a PLC controller, and the PLC controller is connected and communicated with the computer 3 through a wire.
In this embodiment, the carrying tray 5 is a disc with a concave cavity, and the carrying tray 5 is fixedly connected with the experiment table 1 through a supporting plate arranged at the lower end of the carrying tray 5.
Specifically, test media flowing out of a gap between the valve rod and the valve body are collected, and the test media are prevented from polluting the experiment table 1.
Referring to fig. 4, 5 and 9, in this embodiment, the insertion tube 7 is a hollow circular tube with two open ends, a set of protruding rings are provided on the insertion tube 7, and the annular sealing bag 8 is disposed between the set of protruding rings.
Specifically, the annular sealing bag 8 is limited by the protruding ring, so that the annular sealing bag expands outwards when expanding and deforming, transverse expansion is reduced, and sealing effect is improved.
Referring to fig. 6 and 8, in the present embodiment, the moving frame 9 is a rectangular frame that is horizontally disposed, the insertion tube 7 penetrates through the inner side frame of the moving frame 9 and is fixedly connected with the inner side frame thereof in a bolt-fixing manner, the outer frame of the moving frame 9 is provided with a threaded hole that is matched with the horizontal screw rod 11, and the piston 19 is fixedly connected with the inner side of the inner side frame through the mounting frame.
Specifically, the moving frame 9 with a rectangular frame-like structure is adopted, and meanwhile, the liquid inlet pipe 21 and the liquid outlet pipe 24 are conveniently installed.
In this embodiment, the guide frame 10 is also a rectangular frame that is horizontally arranged, the outer frame of the guide frame 10 is provided with a through hole for the moving frame 9 to penetrate, and two ends of the horizontal screw rod 11 are rotatably connected with the inner wall of the guide frame 10 through bearing blocks; the piston cylinder 18 is fixedly connected with the outer wall of the inner frame of the guide frame 10.
Specifically, the piston 19 of the piston cylinder 18 is conveniently extruded by the relative movement of the moving frame 9 and the guide frame 10, so that the filling medium is conveniently injected and extracted.
Referring to fig. 4, in the present embodiment, the mounting frame 12 is a square frame with two open ends, and the vertical transmission shaft 13 is nested in the mounting frame 12.
In particular, the fixation of the guide frame 10 is achieved while protecting the vertical drive shaft 13 from contact with the test medium.
In this embodiment, the gear ring 15 is a ring gear, the upper portion of the gear ring 15 is provided with a ring portion integrally formed with the gear ring 15 and having a T-shaped cross section, and the lower end surface of the carrier plate 5 is provided with a ring groove matched with the ring portion.
Example 2
The invention provides a test stand for static seal test of a throttle valve, referring to fig. 4 and 10, the difference between the present embodiment and embodiment 1 is that: the clamping seat 6 is provided with a groove for clamping the throttle valve 4, the end wall of the groove is provided with a group of elastic clamping blocks 27 which are symmetrically arranged and extend into the clamping seat 6, the elastic clamping blocks 27 are connected with a clamping plate 28, the lower end of the clamping plate 28 is penetrated with a bidirectional screw rod 29 which is in threaded connection with the clamping plate, and the bidirectional screw rod 29 extends to the front end of the clamping seat 6 and is connected with a screw rod motor 30; the transparent cover 31 is sleeved on the bearing plate 5, the transparent cover 31 is fixedly connected with the lifting block 32, the lifting block 32 is slidably connected with the sliding frame 33, the sliding frame 33 is internally provided with the vertical screw rod 34 which is in threaded connection with the lifting block 32, and the vertical screw rod 34 is connected with the extension shaft of the bidirectional screw rod 29 through the speed change gear set 35 for transmission.
Specifically, through being equipped with elasticity grip block 27 and carrying out the centre gripping to choke valve 4 fixedly, guarantee the stability when inserting into pipe 7, simultaneously through being equipped with transparent cover 31, seal protection to the choke valve 4 of test, avoid under extreme conditions that test medium takes place splash or choke valve 4 takes place to disintegrate, improve the security of experiment, guarantee the cleanness of experimental environment.
In the present embodiment, the transparent cover 31 is a hollow cylindrical structure with an opening at the lower end, and is made of a transparent resin material.
In particular, the overflow condition of the throttle valve 4 is convenient to observe while the protection is carried out.
In this embodiment, the elastic clamping block 27 comprises a mounting box with an inner end opening, a clamping block which is slidably nested in the mounting box, and a spring which is arranged between the clamping block and the inner wall of the mounting box; the mounting box is fixedly connected to the clamping plate 28.
Specifically, the elastic clamping block 27 is in elastic contact with the throttle valve 4, so that the clamping device is suitable for clamping the throttle valve 4 with different specifications and sizes, and has good adaptability.
The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect.
Claims (10)
1. The test bed for the static seal test of the throttle valve is characterized by comprising a test table (1), a test mechanism (2) and a computer (3) which are arranged on the test table (1) and a throttle valve (4); the test mechanism (2) comprises a bearing disc (5), a clamping seat (6) fixedly connected with the experiment table (1) is penetrated through the bearing disc (5), a group of symmetrically arranged plug-in pipe assemblies are arranged on two sides of the clamping seat (6), each plug-in pipe assembly comprises a plug-in pipe (7) inserted into an opening of the throttle valve (4), the plug-in pipe (7) is fixedly connected with a movable frame (9), the movable frame (9) penetrates through a guide frame (10) and is horizontally and slidably connected with the guide frame, and a horizontal screw rod (11) in threaded connection with the movable frame (9) is arranged in the guide frame (10); the outer end of the guide frame (10) is fixedly connected with the bearing disc (5) through the mounting frame (12); the outer end of the horizontal screw rod (11) is connected with a vertical transmission shaft (13) extending to the lower part of the bearing disc (5) through a transmission gear set, and the lower end of the vertical transmission shaft (13) is fixedly connected with a driven gear (14); the driven gear (14) is meshed with a gear ring (15) which is rotationally connected with the bearing disc (5), the inner side of the gear ring (15) is meshed with a driving gear (16), and the driving gear (16) is connected with a driving motor (17);
the outside of the insertion pipe (7) is sleeved with an annular sealing bag (8) which is abutted against the inner wall of the opening of the throttle valve (4), the annular sealing bag (8) is connected with a piston cylinder (18) arranged on the outer wall of the guide frame (10) through a communicating pipe (20), a filling medium is filled in the piston cylinder (18), a piston (19) is nested in the piston cylinder (18), and the piston (19) is fixedly connected with the movable frame (9) through a mounting frame;
the insertion pipe (7) positioned at the left side is communicated with a liquid inlet pipe (21), the liquid inlet pipe (21) is communicated with a booster pump (22), the booster pump (22) is communicated with a liquid storage tank (23), and a test medium is filled in the liquid storage tank (23); the insertion pipe (7) positioned on the right side is communicated with a liquid outlet pipe (24), the liquid outlet pipe (24) is communicated with a metering tank (25), and an electronic liquid level meter (26) is inserted into the metering tank (25).
2. The test bed for static seal test of throttle valve according to claim 1, characterized in that the clamping seat (6) is provided with a groove for clamping the throttle valve (4), a group of elastic clamping blocks (27) which are symmetrically arranged and extend into the clamping seat (6) are arranged on the end wall of the groove, the elastic clamping blocks (27) are connected with clamping plates (28), the lower ends of the clamping plates (28) are penetrated by bidirectional screw rods (29) which are in threaded connection with the clamping plates, and the bidirectional screw rods (29) extend to the front end of the clamping seat (6) and are connected with screw rod motors (30); the bearing plate (5) is sleeved with a transparent cover (31), the transparent cover (31) is fixedly connected with a lifting block (32), the lifting block (32) is slidably connected with a sliding frame (33), a vertical screw rod (34) in threaded connection with the lifting block (32) is arranged in the sliding frame (33), and the vertical screw rod (34) is connected with an extension shaft of the bidirectional screw rod (29) through a speed change gear set (35) for transmission.
3. The test stand for static seal test of throttle valve according to claim 1, characterized in that the bearing plate (5) is a disc provided with a concave cavity, and the bearing plate (5) is fixedly connected with the experiment table (1) through a supporting plate arranged at the lower end of the bearing plate.
4. The test stand for static seal test of throttle valve according to claim 1, wherein the insertion tube (7) is a hollow circular tube with two open ends, a group of protruding rings are arranged on the insertion tube (7), and the annular sealing bag (8) is arranged between the group of protruding rings.
5. The test stand for static seal test of throttle valve according to claim 1, characterized in that the movable frame (9) is a rectangular frame arranged horizontally, the insertion tube (7) penetrates through the inner side frame of the movable frame (9) and is fixedly connected with the inner side frame thereof in a bolt fixing manner, the outer frame of the movable frame (9) is provided with a threaded hole matched with the horizontal screw rod (11), and the piston (19) is fixedly connected with the inner side of the inner side frame through the mounting frame.
6. The test bed for static seal test of throttle valve according to claim 5, characterized in that the guide frame (10) is also a horizontally arranged rectangular frame, the outer frame of the guide frame (10) is provided with a through hole for the moving frame (9) to penetrate, and two ends of the horizontal screw rod (11) are rotatably connected with the inner wall of the guide frame (10) through bearing blocks; the piston cylinder (18) is fixedly connected with the outer wall of the inner frame of the guide frame (10).
7. The test stand for static seal test of a throttle valve according to claim 1, wherein the mounting frame (12) is a square frame with openings at the upper end and the lower end, and the vertical transmission shaft (13) is nested in the mounting frame (12).
8. The test stand for static seal test of throttle valve according to claim 1, wherein the gear ring (15) is a ring gear, the upper part of the gear ring (15) is provided with an annular part which is integrally formed with the gear ring and has a T-shaped section, and the lower end surface of the bearing disc (5) is provided with an annular groove matched with the annular part.
9. The test stand for static seal test of throttle valve according to claim 2, wherein the transparent cover (31) is a hollow cylindrical structure with an opening at a lower end, and is made of a transparent resin material.
10. A throttle valve static seal test stand according to claim 2, characterized in that the elastic clamping block (27) comprises a mounting box with an inner end opening, a clamping block which is slidably nested in the mounting box, and a spring arranged between the clamping block and the inner wall of the mounting box; the mounting box is fixedly connected with the clamping plate (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310467398.9A CN116242564B (en) | 2023-04-27 | 2023-04-27 | Test bed for static seal test of throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310467398.9A CN116242564B (en) | 2023-04-27 | 2023-04-27 | Test bed for static seal test of throttle valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116242564A true CN116242564A (en) | 2023-06-09 |
| CN116242564B CN116242564B (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310467398.9A Active CN116242564B (en) | 2023-04-27 | 2023-04-27 | Test bed for static seal test of throttle valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119533811A (en) * | 2025-01-21 | 2025-02-28 | 海莱克液压(宁波)有限公司 | A cartridge valve sealing detection device |
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| CN115245772A (en) * | 2022-08-04 | 2022-10-28 | 融越医疗科技(江苏)有限公司 | Nucleic acid sample oscillation mixer and use method thereof |
| CN218180499U (en) * | 2022-08-22 | 2022-12-30 | 南京长迅机械设计制造有限公司 | Clamping tool for valve pressure tester |
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| CN119533811A (en) * | 2025-01-21 | 2025-02-28 | 海莱克液压(宁波)有限公司 | A cartridge valve sealing detection device |
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| CN116242564B (en) | 2023-07-21 |
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