CN110901850A - Auxiliary centering method for shipbuilding pipe - Google Patents
Auxiliary centering method for shipbuilding pipe Download PDFInfo
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- CN110901850A CN110901850A CN201911117158.6A CN201911117158A CN110901850A CN 110901850 A CN110901850 A CN 110901850A CN 201911117158 A CN201911117158 A CN 201911117158A CN 110901850 A CN110901850 A CN 110901850A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 94
- 238000003825 pressing Methods 0.000 claims abstract description 40
- 230000000670 limiting effect Effects 0.000 claims description 26
- 238000010276 construction Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012549 training Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000992309 Strobus Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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Abstract
The invention discloses an auxiliary centering method for a ship building pipe, which adopts a special auxiliary centering tool for the ship building pipe and comprises 2 bottom support mechanisms, a supporting mechanism, a pressing mechanism and an operating mechanism, wherein the bottom support mechanisms and the operating mechanism are respectively connected with the supporting mechanism, the pressing mechanism is connected with the operating mechanism and driven by the operating mechanism to move up and down, and the pressing mechanism is matched with the bottom support mechanism to finish centering and fixing the pipe. The tool is simple to manufacture, low in cost, reusable, low in requirement on site when in use, capable of being used for centering pipes which are horizontal, vertical or inclined on a ship and also applicable to areas with dense pipes, and high in applicability.
Description
Technical Field
The invention belongs to the technical field of shipbuilding, and particularly relates to an auxiliary centering method for a shipbuilding pipe.
Background
In the process of shipbuilding, the pipes are mostly connected in a flange mode, the flange is required to be welded at the pipe port in the flange connection mode, the pipes are installed on a ship after secondary galvanization, in the installation process, the flange holes needing to be connected are aligned, bolts penetrate, gaskets are placed in the middle of the flange faces, and then the bolts are symmetrically screwed one by one to complete installation. With the development of shipbuilding technology, novel pipe connection modes such as a groove type pipe joint, a Strobu type pipe joint and an extrusion joint are used on a ship, and the joints have the outstanding advantages of no need of welding and secondary galvanization, simple structure, few bolts, light weight, small occupied space, simple and quick installation, convenient maintenance and adjustment, and a gap between pipe ends can play a role in shock absorption. These novel pipe joints are outstanding for traditional flange joint advantage, but require highly to the centering state of pipe, and traditional flange joint relies on the bolt tightening between the flange can accomplish the pipe centering, need not to carry out the centering step of pipe, and novel pipe joint must guarantee to connect and install under the condition that the pipe satisfies the centering requirement for guaranteeing performance and life-span to it is the prerequisite of guaranteeing novel pipe joint performance to make the pipe centering. In the process of ship construction, due to the dense arrangement of pipes on a ship, the pipe alignment work is difficult in areas which are inconvenient to construct, such as a cabin reverse top, the bottom of a cabin granite plate and narrow spaces in a double-layer bottom, and factors such as the absence of professional training of constructors and rough construction possibly exist.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an auxiliary centering method for a ship building pipe, which can solve the problem that the pipe joint has poor service performance due to the fact that the pipe centering work cannot be carried out due to the factors of inconvenient construction, no professional training of personnel, rough construction and the like in the installation process of a novel pipe joint such as a groove type pipe joint, a Schwerball type pipe joint, an extrusion joint and the like in the building stage of a ship.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an auxiliary centering method for a shipbuilding pipe, which adopts a special auxiliary centering tool for the shipbuilding pipe, wherein the centering tool comprises 2 bottom support mechanisms, a supporting mechanism, a pressing mechanism and an operating mechanism,
the bottom support mechanism comprises a bottom support plate, a shaft pin locking lug plate and a shaft pin connecting lug plate, the bottom support plate is of a semi-arc structure, the inner diameter of the bottom support plate is equal to the outer diameter of a pipe to be centered, one end of the bottom support plate is connected with the shaft pin locking lug plate, the other end of the bottom support plate is connected with the shaft pin connecting lug plate,
the supporting mechanism comprises a supporting threaded sleeve, 4 supporting rods, 2 supporting and locking lug plates and 2 supporting and connecting lug plates, one end of each supporting rod is connected with the outer side wall of the supporting threaded sleeve, the other end of each supporting rod is connected with the supporting and locking lug plate, the other end of each supporting rod is connected with the supporting and connecting lug plate, the supporting threaded sleeve is positioned above the supporting and locking lug plate and above the supporting and connecting lug plate and in the center of the supporting and locking lug plate and the supporting and connecting lug plate, the supporting and locking lug plate is fixedly connected with the shaft pin connecting lug plate through the shaft pin, the supporting and connecting lug plate is fixedly connected with the shaft pin locking lug plate through the shaft pin, and the inner side of the supporting threaded sleeve is provided with an internal thread,
the operating mechanism comprises a main operating rod and a connecting bolt, the upper part of the main operating rod is provided with an external thread matched with the internal thread, the lower part of the main operating rod is a smooth surface, the lower end of the main operating rod is provided with a thread mounting hole matched with the connecting bolt,
hold-down mechanism includes fixed sleeve, 2 pressure strips and connecting rod, 2 pressure strips pass through the connecting rod is connected fixed sleeve's lateral wall, fixed sleeve is located the top of pressure strip, the external diameter of main operating rod is in fixed sleeve's internal diameter with between fixed sleeve's the external diameter, fixed sleeve passes through connecting bolt mobilizable be fixed in main operating rod's bottom, the pressure strip is arc, and its internal diameter equals the internal diameter of bottom plate board and is located directly over the bottom plate board, including following step:
firstly, preparing and checking a bottom support mechanism, a supporting mechanism, a pressing mechanism and an operating mechanism, and installing the bottom support mechanism, the supporting mechanism, the pressing mechanism and the operating mechanism in place;
secondly, placing the pipes to be centered in the bottom supporting plate respectively, wherein the centers of the butt joints of the two pipes are positioned right below the fixed sleeve;
fixing the support mechanism and the bottom support mechanism through a shaft pin;
rotating the main operating rod to drive the pressing plate to move downwards to press the pipes, so that the two pipes are positioned on the same straight line to finish centering;
fifthly, welding and fixing the pipe support after the pipe joint is installed according to requirements;
and step six, reversely rotating the main operating rod to drive the pressing plate to move upwards to loosen the pipe, pulling out the shaft pin, separating the supporting mechanism from the bottom support mechanism, and taking out the pipe.
As a preferred technical scheme, the middle part of the shaft pin locking lug plate penetrates through to form a shaft pin locking gap, the shaft pin locking gap is matched with the supporting and connecting lug plate, the middle part of the supporting and locking lug plate penetrates through to form a supporting and locking gap, and the supporting and locking gap is matched with the shaft pin connecting lug plate.
According to the preferable technical scheme, the lower portion of the side wall of the supporting threaded sleeve extends downwards to be provided with a limiting guide rod, and the side wall of the fixing sleeve is provided with a limiting ring matched with the limiting guide rod.
As the preferred technical scheme, the number of the limiting guide rods and the number of the limiting rings are respectively and correspondingly 2.
As the preferred technical scheme, a through hole penetrates through the top of the main operating rod, a movable operating rod penetrates through the through hole and is perpendicular to the main operating rod, limiting balls are arranged at two ends of the movable operating rod, and the diameter of each limiting ball is larger than that of the through hole.
Preferably, the external thread on the main operating rod is an M20 thread, and the thread in the threaded mounting hole is an M10 thread.
As a preferred technical scheme, the pressing plate is a quarter of circular arc, and the end part of the connecting rod is connected with the center of the pressing plate.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention utilizes the bottom supporting plate and the pressing plate to clamp the pipes, so that the two pipes are positioned on the same straight line, thereby ensuring that the two pipes are in a centering state and ensuring the service performance of the pipe joint.
(2) The invention adopts the shaft pin to connect the bottom support mechanism and the supporting mechanism, replaces the traditional bolt connection mode, does not need to screw the bolt in the whole process, and has high operation speed and high use efficiency.
(3) The tool is simple to manufacture, low in cost, reusable, low in requirement on site when in use, capable of being used for centering pipes which are horizontal, vertical or inclined on a ship and also applicable to areas with dense pipes, and high in applicability.
(4) The support rod in the support mechanism and the connecting rod in the pressing mechanism are obliquely arranged, so that the position of the bottom supporting plate corresponds to that of the pressing plate, the middle of the tool is ensured to have enough opening, and when the folding port of the two centering pipes is placed in the middle of the tool, the pipe joint can be ensured to have enough space.
(5) The invention can be operated without special training, does not need extra cost and has low training and operating cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front view of the auxiliary centering tool for shipbuilding pipes.
Fig. 2 is a top view of the auxiliary centering tool for shipbuilding pipes according to the invention.
FIG. 3 is a side view of the auxiliary centering tool for shipbuilding pipes according to the invention.
FIG. 4 is a front view of a bottom bracket mechanism in the auxiliary centering tooling for shipbuilding pipes according to the invention.
FIG. 5 is a top view of a bottom bracket mechanism in the auxiliary centering tooling for shipbuilding pipes according to the invention.
FIG. 6 is a side view of a bottom bracket mechanism in the auxiliary centering tooling for shipbuilding pipes according to the invention.
Fig. 7 is a front view of a supporting mechanism in the auxiliary centering tool for the shipbuilding pipe.
Fig. 8 is a top view of the supporting mechanism in the auxiliary centering tool for shipbuilding pipes according to the invention.
Fig. 9 is a side view of the supporting mechanism in the auxiliary centering tool for the shipbuilding pipe.
Fig. 10 is a front view of an operating mechanism in the auxiliary centering tool for the shipbuilding pipe.
Fig. 11 is a front view of a pressing mechanism in the auxiliary centering tool for the shipbuilding pipe.
Fig. 12 is a top view of a pressing mechanism in the auxiliary centering tool for shipbuilding pipes according to the invention.
Fig. 13 is a side view of a pressing mechanism in the auxiliary centering tool for the shipbuilding pipe.
Wherein the reference numerals are specified as follows: the device comprises a bottom support mechanism 1, a supporting mechanism 2, an operating mechanism 3, a pressing mechanism 4, a shaft pin hole 5, a bottom supporting plate 11, a shaft pin locking lug plate 12, a shaft pin connecting lug plate 13, a shaft pin locking gap 14, a supporting threaded sleeve 21, a supporting rod 22, a limiting guide rod 23, a supporting locking lug plate 24, a supporting connecting lug plate 25, a main operating rod 31, a movable operating rod 32, a connecting bolt 33, a limiting ball 34, a fixing sleeve 41, a connecting rod 42, a pressing plate 43 and a limiting ring 44.
Detailed Description
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1-3, the embodiment provides an auxiliary centering tool for shipbuilding pipes, which assists in centering and mounting the pipes, so that two pipes are located on the same straight line, and the centering state of the pipes is ensured. As shown in fig. 1-3, the tool is composed of a bottom support mechanism 1, a support mechanism 2, an operating mechanism 3 and a pressing mechanism 4.
As shown in fig. 4-6, the bottom support mechanism 1 includes a bottom support plate 11, a pin locking ear plate 12, and a pin connecting ear plate 13, the bottom support plate 11 is a semi-arc structure, the inner diameter of the bottom support plate is equal to the outer diameter of the pipe to be centered, one end of the bottom support plate 11 is connected to the pin locking ear plate 12, and the other end is connected to the pin connecting ear plate 13.
As shown in fig. 7-9, the supporting mechanism 2 includes a supporting threaded sleeve 21, 4 supporting rods 22, 2 supporting and locking lugs 24, and 2 supporting and connecting lugs 25, one end of each supporting rod 22 is connected to the outer side wall of the corresponding supporting threaded sleeve 21, the other end of each supporting rod 22 is connected to the supporting and locking lug 24, the other end of each supporting rod 22 is connected to the supporting and connecting lug 25, the supporting threaded sleeve 21 is located above the supporting and locking lug 24 and the supporting and connecting lug 25 and is located in the center of the supporting and locking lug 24 and the supporting and connecting lug 25, the supporting and locking lug 24 is fixedly connected with the shaft pin connecting lug 13 through a shaft pin, the supporting and connecting lug 25 is fixedly connected with the shaft pin locking lug 12 through a shaft pin, and the inner side of the supporting threaded sleeve 21 is provided with an internal thread.
Wherein, the middle part of the pin locking lug plate 12 is run through to form a pin locking gap 14, the pin locking gap 14 is matched with the supporting connection lug plate 25, the middle part of the supporting locking lug plate 24 is run through to form a supporting locking gap, the supporting locking gap is matched with the pin connecting lug plate 13, the pin locking lug plate 12 is run through, the pin connecting lug plate 13, the supporting locking lug plate 24, the supporting connection lug plate 25 is respectively provided with a pin hole 5, the pin is conveniently inserted in the installation, the use of the bolt is avoided, and the efficiency of pipe centering is improved.
As shown in fig. 10, the operating mechanism 3 includes a main operating rod 31, a connecting bolt 33, and a movable operating rod 32, wherein an external thread matching the internal thread is provided on the upper portion of the main operating rod 31 and can be screwed into the supporting threaded sleeve 21 to connect the operating mechanism 3 and the operating mechanism 3, and the main operating rod 31 can move up and down in the supporting threaded sleeve 21 by rotating the main operating rod 31. The lower part of main operating lever 31 is the smooth surface, and the lower extreme of main operating lever 31 is seted up and is connected bolt 33 assorted screw thread mounting hole, and the external screw thread on the main operating lever 31 is the M20 screw thread, and the screw thread in the screw thread mounting hole is the M10 screw thread. The top of main action bars 31 runs through and is provided with the through-hole, runs through the through-hole and is provided with movable operation pole 32, and movable operation pole 32 is perpendicular with main action bars 31, and the both ends of movable operation pole 32 are provided with spacing ball 34, and the diameter of spacing ball 34 is greater than the diameter of through-hole, prevents that movable operation pole 32 from droing.
As shown in fig. 11-13, the pressing mechanism 4 includes a fixing sleeve 41, 2 pressing plates 43 and a connecting rod 42, wherein the 2 pressing plates 43 are connected to the outer side wall of the fixing sleeve 41 through the connecting rod 42, the pressing plates 43 are in a quarter-arc shape, and the end of the connecting rod 42 is connected to the center of the pressing plates 43. The fixing sleeve 41 is located above the pressing plate 43, the outer diameter of the main operating rod 31 is between the inner diameter of the fixing sleeve 41 and the outer diameter of the fixing sleeve 41, the fixing sleeve 41 is movably fixed at the bottom end of the main operating rod 31 through the connecting bolt 33, the pressing plate 43 is arc-shaped, the inner diameter of the pressing plate is equal to the inner diameter of the bottom support plate 11, and the pressing plate is located right above the bottom support plate 11. The fastening of the pressing mechanism 4 and the operating mechanism 3 is completed by inserting the connecting bolt 33 into the fixing sleeve 41 and then screwing the connecting bolt into the threaded mounting hole. Wherein, the lower part of the side wall of the supporting threaded sleeve 21 extends downwards to be provided with a limiting guide rod 23, the side wall of the fixing sleeve 41 is provided with a limiting ring 44 matched with the limiting guide rod 23, and the number of the limiting guide rods 23 and the number of the limiting rings 44 are respectively and correspondingly set to be 2. Because the outer diameter of the main operating rod 31 is between the inner diameter of the fixing sleeve 41 and the outer diameter of the fixing sleeve 41, and under the limiting action of the limiting guide rod 23 and the limiting ring 44, the fixing sleeve 41 can only move up and down without being skewed along with the rotation of the main operating rod 31, so that the pressing plate 43 is always positioned right above the bottom supporting plate 11.
In this embodiment, the support rod 22 and the connecting rod 42 are both installed obliquely, so as to ensure that the bottom support plate 11 corresponds to the pressing plate 43, ensure that there is enough free space in the middle of the tool, and have enough space for installing the pipe joint when the closed ends of the two centering pipes are placed in the middle of the tool.
The embodiment provides an auxiliary centering method for a shipbuilding pipe, which comprises the following steps:
step one, preparing and checking a bottom support mechanism 1, a supporting mechanism 2, a pressing mechanism 4 and an operating mechanism 3, and installing the bottom support mechanism, the supporting mechanism, the pressing mechanism and the operating mechanism in place;
secondly, placing the pipes to be centered in the bottom supporting plate 11 respectively, wherein the centers of the butt joints of the two pipes are positioned right below the fixed sleeve 41;
fixing the support mechanism 2 and the bottom support mechanism 1 through a shaft pin;
step four, rotating the main operating rod 31 to drive the pressing plate 43 to move downwards to press the pipes, so that the two pipes are positioned on the same straight line to complete centering;
fifthly, welding and fixing the pipe support after the pipe joint is installed according to requirements;
and step six, reversely rotating the main operating rod 31 to drive the pressing plate 43 to move upwards to loosen the pipe, pulling out the shaft pin, separating the supporting mechanism 2 from the bottom support mechanism 1, and taking out the pipe.
Although the present invention has been described in detail with respect to the above embodiments, it will be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention may be made without departing from the spirit and scope of the invention, and these modifications and improvements are within the spirit and scope of the invention.
Claims (7)
1. An auxiliary centering method for a shipbuilding pipe is characterized in that a special auxiliary centering tool for the shipbuilding pipe is adopted, the centering tool comprises 2 bottom support mechanisms, a supporting mechanism, a pressing mechanism and an operating mechanism,
the bottom support mechanism comprises a bottom support plate, a shaft pin locking lug plate and a shaft pin connecting lug plate, the bottom support plate is of a semi-arc structure, the inner diameter of the bottom support plate is equal to the outer diameter of a pipe to be centered, one end of the bottom support plate is connected with the shaft pin locking lug plate, the other end of the bottom support plate is connected with the shaft pin connecting lug plate,
the supporting mechanism comprises a supporting threaded sleeve, 4 supporting rods, 2 supporting and locking lug plates and 2 supporting and connecting lug plates, one end of each supporting rod is connected with the outer side wall of the supporting threaded sleeve, the other end of each supporting rod is connected with the supporting and locking lug plate, the other end of each supporting rod is connected with the supporting and connecting lug plate, the supporting threaded sleeve is positioned above the supporting and locking lug plate and above the supporting and connecting lug plate and in the center of the supporting and locking lug plate and the supporting and connecting lug plate, the supporting and locking lug plate is fixedly connected with the shaft pin connecting lug plate through the shaft pin, the supporting and connecting lug plate is fixedly connected with the shaft pin locking lug plate through the shaft pin, and the inner side of the supporting threaded sleeve is provided with an internal thread,
the operating mechanism comprises a main operating rod and a connecting bolt, the upper part of the main operating rod is provided with an external thread matched with the internal thread, the lower part of the main operating rod is a smooth surface, the lower end of the main operating rod is provided with a thread mounting hole matched with the connecting bolt,
hold-down mechanism includes fixed sleeve, 2 pressure strips and connecting rod, 2 pressure strips pass through the connecting rod is connected fixed sleeve's lateral wall, fixed sleeve is located the top of pressure strip, the external diameter of main operating rod is in fixed sleeve's internal diameter with between fixed sleeve's the external diameter, fixed sleeve passes through connecting bolt mobilizable be fixed in main operating rod's bottom, the pressure strip is arc, and its internal diameter equals the internal diameter of bottom plate board and is located directly over the bottom plate board, including following step:
firstly, preparing and checking a bottom support mechanism, a supporting mechanism, a pressing mechanism and an operating mechanism, and installing the bottom support mechanism, the supporting mechanism, the pressing mechanism and the operating mechanism in place;
secondly, placing the pipes to be centered in the bottom supporting plate respectively, wherein the centers of the butt joints of the two pipes are positioned right below the fixed sleeve;
fixing the support mechanism and the bottom support mechanism through a shaft pin;
rotating the main operating rod to drive the pressing plate to move downwards to press the pipes, so that the two pipes are positioned on the same straight line to finish centering;
fifthly, welding and fixing the pipe support after the pipe joint is installed according to requirements;
and step six, reversely rotating the main operating rod to drive the pressing plate to move upwards to loosen the pipe, pulling out the shaft pin, separating the supporting mechanism from the bottom support mechanism, and taking out the pipe.
2. The auxiliary centering method for shipbuilding pipes according to claim 1, wherein the pin locking lug plate is penetrated through a middle portion thereof to form a pin locking gap, the pin locking gap is matched with the support coupling lug plate, the support locking lug plate is penetrated through a middle portion thereof to form a support locking gap, and the support locking gap is matched with the pin coupling lug plate.
3. The auxiliary centering method for ship building pipes according to claim 1, wherein a limiting guide rod is arranged at the lower part of the side wall of the supporting threaded sleeve in a downward extending manner, and a limiting ring matched with the limiting guide rod is arranged on the side wall of the fixing sleeve.
4. The auxiliary centering method for ship building pipes according to claim 3, wherein the number of the limiting guide rods and the number of the limiting rings are respectively set to be 2.
5. An auxiliary centering method for shipbuilding pipes according to claim 1, characterized in that a through hole is arranged through the top of the main operating rod, a movable operating rod is arranged through the through hole, the movable operating rod is perpendicular to the main operating rod, two ends of the movable operating rod are provided with limiting balls, and the diameter of each limiting ball is larger than that of the through hole.
6. An auxiliary centring method for marine construction pipes according to claim 1 wherein the external screw thread on the main operating lever is an M20 screw thread and the screw thread in the screw mounting hole is an M10 screw thread.
7. An auxiliary centering method for shipbuilding pipes according to claim 1, characterized in that the hold-down plate is a quarter-arc, and the end of the connecting rod is connected with the center of the hold-down plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117158.6A CN110901850A (en) | 2019-11-15 | 2019-11-15 | Auxiliary centering method for shipbuilding pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117158.6A CN110901850A (en) | 2019-11-15 | 2019-11-15 | Auxiliary centering method for shipbuilding pipe |
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| CN110901850A true CN110901850A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911117158.6A Pending CN110901850A (en) | 2019-11-15 | 2019-11-15 | Auxiliary centering method for shipbuilding pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112428181A (en) * | 2020-11-18 | 2021-03-02 | 陈迪锋 | A quick butt joint auxiliary device of pipeline for municipal works |
| CN114313146A (en) * | 2021-12-13 | 2022-04-12 | 中石化第四建设有限公司 | Assembling method of steel structure beams |
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| CN202137546U (en) * | 2011-06-16 | 2012-02-08 | 中国石油化工股份有限公司胜利油田分公司孤岛采油厂 | Opening-to-opening centralizer for welding of pipelines |
| KR20180026129A (en) * | 2016-09-02 | 2018-03-12 | 대명테크 주식회사 | Pipe line alignment jig for welding equipment |
| US20180085866A1 (en) * | 2016-09-27 | 2018-03-29 | Roman Alaniz | Wire rope tube clamp device |
| CN207858169U (en) * | 2018-01-25 | 2018-09-14 | 国网湖北省电力有限公司宜昌供电公司 | The pipe welding tool setup set up for transmission tower |
| CN207900565U (en) * | 2017-12-13 | 2018-09-25 | 渤海造船厂集团有限公司 | 3 chuck modes clamp pipeline centralizer |
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2019
- 2019-11-15 CN CN201911117158.6A patent/CN110901850A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202137546U (en) * | 2011-06-16 | 2012-02-08 | 中国石油化工股份有限公司胜利油田分公司孤岛采油厂 | Opening-to-opening centralizer for welding of pipelines |
| KR20180026129A (en) * | 2016-09-02 | 2018-03-12 | 대명테크 주식회사 | Pipe line alignment jig for welding equipment |
| US20180085866A1 (en) * | 2016-09-27 | 2018-03-29 | Roman Alaniz | Wire rope tube clamp device |
| CN207900565U (en) * | 2017-12-13 | 2018-09-25 | 渤海造船厂集团有限公司 | 3 chuck modes clamp pipeline centralizer |
| CN207858169U (en) * | 2018-01-25 | 2018-09-14 | 国网湖北省电力有限公司宜昌供电公司 | The pipe welding tool setup set up for transmission tower |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112428181A (en) * | 2020-11-18 | 2021-03-02 | 陈迪锋 | A quick butt joint auxiliary device of pipeline for municipal works |
| CN114313146A (en) * | 2021-12-13 | 2022-04-12 | 中石化第四建设有限公司 | Assembling method of steel structure beams |
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Application publication date: 20200324 |