CN215881389U - Pipeline flange welding pressure testing tool - Google Patents
Pipeline flange welding pressure testing tool Download PDFInfo
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- CN215881389U CN215881389U CN202122160645.XU CN202122160645U CN215881389U CN 215881389 U CN215881389 U CN 215881389U CN 202122160645 U CN202122160645 U CN 202122160645U CN 215881389 U CN215881389 U CN 215881389U
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- pipeline
- flange
- pressure test
- connecting plate
- locking assembly
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Abstract
The utility model relates to the technical field of detection devices, in particular to a pressure test detection tool for welding connection strength after welding of a pipeline flange, wherein a flange (2) is welded and connected to the end part of a pipeline (1), a plurality of mounting holes (21) are formed in the annular surface of the flange (2), the pipeline flange welding pressure test tool provided by the application comprises a base (3), a pressure test mechanism (4), a locking assembly (5) and a clamping mechanism (7), the pressure test mechanism for performing pressure test detection on the pipeline and the flange is mounted at the top of the base, the locking assembly for fixing the pressure test mechanism and the flange is mounted on the pressure test mechanism, a support frame is mounted at the top of the base, and the clamping mechanism for fixing the pipeline is mounted on the inner side wall of the support frame. The pipeline flange welding pressure test tool provided by the utility model has the advantages that the pipeline and the flange can be stably clamped and fixed, and the pipeline and the flange can be conveniently subjected to pulling pressure test.
Description
Technical Field
The utility model relates to the technical field of detection devices, in particular to a pressure test detection tool for welding connection strength after welding of pipeline flanges.
Background
The pipeline is the part that is used for transporting gas, liquid or takes solid particle fluid, because the limitation of production process space and convenient transportation, generally all produce one section pipeline, then couple together one section pipeline through pipe connection spare and just can use, pipe connection spare most common is the flange, welds the flange in pipeline mouth of pipe position, installs divided pipeline through bolt assembly.
Generally after carrying out welded connection with pipeline and flange, need carry out the pressure testing test to the pipeline and the flange that welding is good in order to prevent later stage flange and pipeline breaking occur, but because the flange surface is thinner, can't carry out stable centre gripping to the flange through general clamping device, make testing arrangement break away from when carrying out the pressure testing test easily to the surface of slip-off flange.
Therefore, it is necessary to provide a new pressure testing tool for welding pipeline flanges to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a pipeline flange welding pressure test tool which can stably clamp and fix a pipeline and a flange and is convenient for pulling and pressure testing of the pipeline and the flange. The pipeline flange welding pressure test tool provided by the utility model has the advantages that the pipeline and the flange can be stably clamped and fixed, and the pipeline and the flange can be conveniently subjected to pulling pressure test.
The utility model solves the technical problem, and adopts the technical scheme that:
a pipeline flange welding pressure test tool is used for testing the strength of a pipeline after the pipeline is welded and connected with a flange, the end part of the pipeline is welded and connected with the flange, the annular surface of the flange is provided with a plurality of mounting holes, the pipeline flange welding pressure test tool comprises a base, a pressure test mechanism, a locking assembly and a clamping mechanism, and the pressure test mechanism is mounted on the base; the locking assembly is installed on the pressure testing mechanism, the supporting frame is further installed on the base through the locking assembly connecting flange and the pressure testing mechanism, and the clamping mechanism used for fixing the pipeline is installed on the inner side wall of the supporting frame.
Further, pressure testing mechanism includes pulling force platform, pulling force post and connecting plate, pulling force platform fixed mounting is in top one side of base, the output fixed connection of pulling force post and pulling force platform, the other end of pulling force post is connected with the connecting plate through the pivot, just locking Assembly installs on the lateral wall of connecting plate.
Furthermore, the tension column further comprises a connecting cylinder and a screw rod, one end of the connecting cylinder is fixedly connected with the output end of the tension table, the screw rod is in threaded connection with the inside of the connecting cylinder, and the other end of the screw rod is rotatably connected with the connecting plate through a rotating shaft.
Preferably, the locking assembly comprises an inserting cylinder, clamping blocks and springs, a plurality of groups of inserting cylinders matched with the mounting holes are arranged on the connecting plate, a movable groove is formed in each inserting cylinder, two groups of clamping blocks are connected in each movable groove, and the springs are connected between the two groups of clamping blocks.
Above-mentioned pipeline flange welding pressure testing frock, locking Assembly still includes bull stick, spool and stay cord, the bull stick passes the connecting plate and rotates with the terminal surface of inserting a section of thick bamboo to be connected, the bull stick is located the inside one end fixed mounting of inserting a section of thick bamboo and has the spool, be equipped with the stay cord in the wire winding groove of spool, the tip of stay cord and the inside wall fixed connection of fixture block.
Further, fixture includes screw rod and splint, and equal threaded connection has the screw rod on the both sides wall of support frame, and is two sets of the screw rod is located the inboard end of screwing in of support frame and rotates and be connected with splint.
Preferably, the base is also fixedly provided with a collecting frame.
Compared with the prior art, the pipeline flange welding pressure test tool provided by the utility model has the following beneficial effects:
according to the pipeline flange welding pressure test tool provided by the utility model, a pipeline is arranged on the inner side of the support frame and is fixed by the clamping mechanism, then the flange is stably connected with the pressure test mechanism through the locking assembly, the pressure test mechanism is started to pull the flange at the moment, and the tensile force of equipment is adjusted to determine whether the connection degree between the flange and the pipeline meets the requirement or not, so that the pipeline and the flange can be stably clamped and fixed, and the pipeline and the flange can be conveniently subjected to pull pressure test.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of a pipe flange welding pressure test tool provided by the utility model;
FIG. 2 is a schematic structural view of a pipeline flange welding pressure test tool shown in FIG. 1;
fig. 3 is a schematic view of the locking assembly shown in fig. 2.
Reference numbers in the figures: 1. a pipeline; 2. a flange; 21. mounting holes; 3. a base; 4. a pressure testing mechanism; 41. a tension table; 42. a tension column; 43. a connecting plate; 5. a locking assembly; 51. inserting a cylinder; 511. a movable groove; 52. a clamping block; 53. a spring; 54. a rotating rod; 55. a spool; 56. pulling a rope; 6. a support frame; 7. a clamping mechanism; 71. a screw; 72. a splint; 8. and (5) collecting the frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1 to 3, a pipeline flange welding pressure test tool provided in an embodiment of the present invention is used for strength test after a pipeline 1 and a flange 2 are welded, the flange 2 is welded to an end of the pipeline 1, a plurality of mounting holes 21 are uniformly formed in a circular ring surface of the flange 2 along a circumferential direction of the flange, the pipeline flange welding pressure test tool includes a base 3, a pressure test mechanism 4, a locking assembly 5 and a clamping mechanism 7, the pressure test mechanism 4 for performing pressure test detection on the pipeline 1 and the flange 2 is mounted on the base 3, the locking assembly 5 for fixing the pressure test mechanism 4 and the flange 2 is mounted on the pressure test mechanism 4, the support frame 6 is mounted on the base 3, and the clamping mechanism 7 for fixing the pipeline 1 is mounted on an inner side wall of the support frame 6.
It should be noted that: arrange pipeline 1 in the inboard of support frame 6 and fix with fixture 7, then through locking Assembly 5 with flange 2 and the stable connection of pressure testing mechanism 4, start the work of pressure testing mechanism 4 this moment, stimulate flange 2, and whether the joint strength that can record between flange 2 and the pipeline 1 of adjusting equipment pulling force reaches the requirement, thereby can carry out stable centre gripping fixedly to pipeline 1 and flange 2, be convenient for pull the pressure testing test to pipeline 1 and flange 2.
In the embodiment of the present invention, referring to fig. 2, the clamping mechanism 7 includes screws 71 and clamping plates 72, the screws 71 are connected to both side walls of the supporting frame 6 in a threaded manner, and the screwing ends of the two sets of screws 71 located inside the supporting frame 6 are rotatably connected to the clamping plates 72;
it should be noted that: at first, the pipeline 1 welded with the flange 2 is placed on the inner side of the support frame 6, then the two groups of screw rods 71 are rotated to move towards the inner side of the support frame 6, and the two groups of clamping plates 72 are driven to move to be close to each other and abut against the outer wall of the pipeline 1, so that the pipeline 1 is stably clamped on the support frame 6, and the pipeline 1 and the flange 2 are conveniently subjected to pressure test.
In the embodiment of the present invention, referring to fig. 1, fig. 2 and fig. 3, the pressure testing mechanism 4 includes a tension table 41, a tension column 42 and a connecting plate 43, the tension table 41 is fixedly installed on one side of the top of the base 3, the tension column 42 is fixedly connected with the output end of the tension table 41, the other end of the tension column 42 is rotatably connected with the connecting plate 43 through a rotating shaft, and the locking assembly 5 is installed on the side wall of the connecting plate 43;
the tension column 42 further comprises a connecting cylinder 421 and a screw rod 422, one end of the connecting cylinder 421 is fixedly connected with the output end of the tension table 41, the screw rod 422 is in threaded connection with the inside of the connecting cylinder 421, and the other end of the screw rod 422 is rotatably connected with the connecting plate 43 through a rotating shaft;
the locking assembly 5 comprises an inserting cylinder 51, clamping blocks 52 and springs 53, a plurality of groups of inserting cylinders 51 matched with the mounting holes 21 are arranged on the connecting plate 43, a movable groove 511 is arranged on the inserting cylinder 51, two groups of clamping blocks 52 are hinged in the movable groove 511, a spring 53 is connected between the two groups of clamping blocks 52, and the spring 53 is positioned in the movable groove 511;
the locking assembly 5 further comprises a rotating rod 54, a winding shaft 55 and a pulling rope 56, the rotating rod 54 penetrates through the connecting plate 43 to be rotatably connected with the end face of the inserting cylinder 51, the winding shaft 55 is fixedly installed at one end of the rotating rod 54 located inside the inserting cylinder 51, the pulling rope 56 is arranged in a winding groove of the winding shaft 55, the end part of the pulling rope 56 is fixedly connected with the inner side wall of the fixture block 52, specifically, the pulling rope 56 penetrates through the winding groove and is connected between the two sets of fixture blocks 52, namely, one end of the pulling rope 56 is fixedly connected to the inner side walls of the two sets of fixture blocks 52 respectively; of course, two pull ropes may be fixed in the winding slot, and the other ends of the two pull ropes are respectively fixedly connected to the inner side walls of the two sets of blocks 52.
It should be noted that: when the pipeline 1 is fixed inside the supporting frame 6, the screw rod 422 is rotated to screw out the connecting cylinder 421, so that the connecting plate 43 moves to contact with the surface of the flange 2, the groups of insertion cylinders 51 on the side wall of the connecting plate 43 pass through the groups of mounting holes 21 on the surface of the flange 2, when the clamping blocks 52 on the side wall of the insertion cylinders 51 contact with the mounting holes 21, the insertion cylinders 51 are pressed towards the inside of the insertion cylinders 51 and the springs 53 are compressed under force, then the insertion cylinders 51 can pass through the mounting holes 21, when the connecting plate 43 completely abuts against the flange 2, the insertion cylinders 51 can completely pass through the mounting holes 21, after the insertion cylinders 51 pass through the mounting holes 21, the springs 53 are relieved under force and drive the clamping blocks 52 to return to the outside of the insertion cylinders 51, so that the clamping blocks 52 can be clamped on the side surface of the flange 2 away from the connecting plate 43, so that the connecting plate 43 can stably abut against the flange 2, and then the tension table 41 is started to work, the flange 2 on the pipeline 1 is pulled through the tension column 42 and the connecting plate 43, the output tension of the tension table 41 is adjusted, it can be measured whether the connection strength of the flange 2 with the pipe 1 reaches a desired result, and during the test, since the flange 2 is reversely caught by the catching blocks 52, so that the phenomenon that the connecting plate 43 is separated from the flange 2 can not be caused, the connection stability of the connecting plate 43 and the flange 2 is improved, after the pressure test is finished, the rotating rod 54 is manually rotated to drive the winding shaft 55 fixedly connected with the rotating rod to rotate, so that the winding shaft 55 winds up the pulling rope 56, the pulling rope 56 can pull the clamping block 52 to reversely rotate into the inserting cylinder 51 again, at the moment, the screw rod 422 can be reversed again to drive the connecting plate 43 to reversely move and separate from the flange 2, thereby can carry out stable centre gripping fixed to pipeline 1 and flange 2, be convenient for pull the pressure testing test to pipeline 1 and flange 2.
Wherein, the top of the base 3 is fixedly provided with a collecting frame 8; when dragging flange 2 and pipeline 1, if take place deformation when pipeline 1 and 2 welding of flange are not stable enough, the phenomenon that the piece breaks away from can appear in the junction, and can collect the piece that breaks away from through collecting frame 8, and the pressure testing test of being convenient for finishes concentrated processing.
The working principle of the pipeline flange welding pressure test tool provided by the utility model is as follows: firstly, the pipeline 1 welded with the flange 2 is placed on the inner side of a support frame 6, then two groups of screws 71 are rotated to move towards the inner side of the support frame 6 and drive two groups of clamping plates 72 to move to mutually approach and abut against the outer wall of the pipeline 1, the pipeline 1 is stably clamped on the support frame 6, pressure test is conveniently carried out on the pipeline 1 and the flange 2, after the pipeline 1 is fixed on the inner side of the support frame 6, a screw rod 422 is rotated to unscrew a connecting cylinder 421, the connecting plate 43 is moved to contact with the surface of the flange 2, each group of insertion cylinders 51 on the side wall of the connecting plate 43 pass through each group of mounting holes 21 on the surface of the flange 2, when clamping blocks 52 on the side wall of the insertion cylinders 51 contact with the mounting holes 21, the insertion cylinders 51 are extruded towards the inner parts of the insertion cylinders 51 and are compressed under the stress of springs 53, then the insertion cylinders 51 can pass through the mounting holes 21 conveniently, and when the connecting plate 43 completely abuts against the flange 2, the insertion cylinders 51 can completely pass through the mounting holes 21, after the insertion tube 51 passes through the installation hole 21, the spring 53 is relieved under stress to drive the fixture block 52 to repeatedly reset to the outside of the insertion tube 51, so the fixture block 52 can be clamped on the surface of one side of the flange 2 departing from the connecting plate 43, the connecting plate 43 can be stably abutted against the flange 2, at this time, the tension table 41 is started again to work, the flange 2 on the pipeline 1 is pulled through the tension column 42 and the connecting plate 43, the output tension of the tension table 41 is adjusted, whether the connection degree of the flange 2 and the pipeline 1 reaches the expected result can be measured, and in the test process, the fixture block 52 is reversely clamped on the flange 2, so the phenomenon that the connecting plate 43 and the flange 2 fall off and separate is avoided, the connection stability of the connecting plate 43 and the flange 2 is improved, if the pipeline 1 and the flange 2 are not stably welded, the phenomenon that the connection part is broken and separated occurs, and can collect the piece that breaks away from through collecting frame 8, the pressure testing test of being convenient for finishes carrying out centralized processing, after the pressure testing detects, rotate bull stick 54 again and drive the spool 55 rotation rather than fixed connection, make spool 55 get up the rolling of stay cord 56, stay cord 56 then can stimulate inside that the reverse rerotation of fixture block 52 inserted tube 51, alright this moment with reverse lead screw 422 drives connecting plate 43 reverse movement once more and breaks away from flange 2, thereby can carry out stable centre gripping fixed to pipeline 1 and flange 2, be convenient for pull the pressure testing test to pipeline 1 and flange 2.
The circuits and controls involved in the present invention are prior art and will not be described in detail herein.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A pipeline flange welding pressure test tool is used for testing the strength of a pipeline (1) after the pipeline is welded with a flange (2), the flange (2) is welded at the end part of the pipeline (1), and a plurality of mounting holes (21) are formed in the annular surface of the flange (2), and the pipeline flange welding pressure test tool is characterized by comprising a base (3), a pressure test mechanism (4), a locking assembly (5) and a clamping mechanism (7), wherein the pressure test mechanism (4) is arranged on the base (3); locking Assembly (5) are installed on pressure testing mechanism (4) to through locking Assembly (5) flange (2) and pressure testing mechanism (4), still install support frame (6) on base (3), be used for carrying out fixed fixture (7) to pipeline (1) and install on the inside wall of support frame (6).
2. The pipeline flange welding pressure test tool according to claim 1, characterized in that the pressure test mechanism (4) comprises a tension table (41), a tension column (42) and a connecting plate (43), the tension table (41) is fixedly installed on one side of the top of the base (3), the tension column (42) is fixedly connected with the output end of the tension table (41), the other end of the tension column (42) is connected with the connecting plate (43) through a rotating shaft, and the locking assembly (5) is installed on the side wall of the connecting plate (43).
3. The pipeline flange welding pressure test tool according to claim 2, wherein the tension column (42) further comprises a connecting cylinder (421) and a screw rod (422), one end of the connecting cylinder (421) is fixedly connected with the output end of the tension table (41), the screw rod (422) is in threaded connection with the inside of the connecting cylinder (421), and the other end of the screw rod (422) is rotatably connected with the connecting plate (43) through a rotating shaft.
4. The pipeline flange welding pressure test tool according to claim 2, wherein the locking assembly (5) comprises an inserting cylinder (51), clamping blocks (52) and springs (53), a plurality of groups of inserting cylinders (51) matched with the mounting holes (21) are arranged on the connecting plate (43), a movable groove (511) is formed in the inserting cylinder (51), two groups of clamping blocks (52) are connected in the movable groove (511), and the springs (53) are connected between the two groups of clamping blocks (52).
5. The pipeline flange welding pressure test tool according to claim 4, wherein the locking assembly (5) further comprises a rotating rod (54), a winding shaft (55) and a pulling rope (56), the rotating rod (54) penetrates through the connecting plate (43) to be rotatably connected with the end face of the inserting cylinder (51), the winding shaft (55) is fixedly installed at one end, located inside the inserting cylinder (51), of the rotating rod (54), the pulling rope (56) is arranged in a winding groove of the winding shaft (55), and the end portion of the pulling rope (56) is fixedly connected with the inner side wall of the clamping block (52).
6. The pipeline flange welding pressure test tool according to claim 1, wherein the clamping mechanism (7) comprises a screw rod (71) and a clamping plate (72), the two side walls of the support frame (6) are both in threaded connection with the screw rod (71), and the screwing ends of the two sets of screw rods (71) located on the inner side of the support frame (6) are rotatably connected with the clamping plate (72).
7. The pipeline flange welding pressure test tool according to claim 1, characterized in that a collecting frame (8) is further fixedly mounted on the base (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122160645.XU CN215881389U (en) | 2021-09-08 | 2021-09-08 | Pipeline flange welding pressure testing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122160645.XU CN215881389U (en) | 2021-09-08 | 2021-09-08 | Pipeline flange welding pressure testing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215881389U true CN215881389U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122160645.XU Active CN215881389U (en) | 2021-09-08 | 2021-09-08 | Pipeline flange welding pressure testing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215881389U (en) |
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2021
- 2021-09-08 CN CN202122160645.XU patent/CN215881389U/en active Active
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