CN216208203U - Pipe fitting strength test device - Google Patents
Pipe fitting strength test device Download PDFInfo
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- CN216208203U CN216208203U CN202122509951.XU CN202122509951U CN216208203U CN 216208203 U CN216208203 U CN 216208203U CN 202122509951 U CN202122509951 U CN 202122509951U CN 216208203 U CN216208203 U CN 216208203U
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- 238000012360 testing method Methods 0.000 title claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 210000000078 claw Anatomy 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a pipe fitting strength test device, belongs to the field of pipe fitting strength tests, and solves the problems of high labor intensity and low efficiency caused by the fact that pipe fittings need to be carried in the existing pipe fitting tests. The device draws horse, closing plate including water supply subassembly and three-jaw, the closing plate on be equipped with quick-operation joint, quick-operation joint on be equipped with and open the valve, the closing plate place two mouth of pipe terminal surfaces at the pipe fitting, the three-jaw draws the claw joint of horse on the mouth of pipe flange of pipe fitting, the three-jaw draws the push rod of horse to support and presses in one side of closing plate, the water outlet end of water supply subassembly pass through experimental hose and quick-operation joint intercommunication. The test device disclosed by the utility model can realize rapid sealing of the pipe fitting and guarantee the sealing property of the pipe fitting.
Description
Technical Field
The utility model relates to a pipe fitting strength test, in particular to a pipe fitting strength test device.
Background
In the manufacturing process of the ship pipe fitting, a key quality inspection work is carried out, and in order to inspect the reliability of the welding quality of the pipe fitting, a pipe fitting strength test with corresponding pressure needs to be carried out on the welded pipe fitting.
At present, the traditional pipe strength test modes in the industry are divided into two types: one method is to adopt a pipe-to-pipe connection mode, firstly connect a certain amount of pipe fittings into a whole, and then inject a certain pressure of test medium into the pipe to perform a strength test. The other is a single pipe type, the pipe fitting is firstly conveyed to a fixed single pipe strength test tool for locking, and then a test medium with certain pressure is injected into the pipe for strength test.
The prior art scheme has the problems that: 1. the integral connection mode has the following problems; the efficiency is low, a large number of different transition joints are needed for connecting pipe fittings with different pipe diameters, a large number of screws are consumed for integral connection, the operation is complex, the labor intensity is high, and the like; 2. the single tube fixed strength test device mode has the following problems; the pipe fittings are inevitably and frequently carried, and the sealing performance is reduced after the pipe fittings are used for a certain time, the pipe end sealing tool is deformed, the installation difficulty is increased, the fastening is difficult, and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of the prior art, and aims to provide a pipe strength testing device which can realize quick sealing of a pipe and guarantee the sealing performance of the pipe.
The technical scheme of the utility model is as follows: the utility model provides a pipe fitting strength test device, draws horse, closing plate including water supply assembly and three-jaw, the closing plate on be equipped with quick-operation joint, quick-operation joint on be equipped with and open the valve, the closing plate place two mouth of pipe terminal surfaces at the pipe fitting, three-jaw draw the claw joint of drawing of horse on the mouth of pipe flange of pipe fitting, the push rod that three-jaw drawn the horse supports and presses in one side of closing plate, water supply assembly's play water end through experimental hose and quick-operation joint intercommunication.
As a further improvement, the water supply assembly comprises a water storage tank and an integrated water main, the integrated water main is communicated with the water storage tank through a pipeline, a plurality of shunt branch pipes communicated with the integrated water main are arranged on the integrated water main, and each shunt branch pipe is connected with a test hose.
Furthermore, a ball valve is arranged on a pipeline between the integrated water main and the water storage tank, and a pressure gauge is arranged on each branch pipe.
Further, the water supply assembly further comprises a booster pump and a pressure regulating valve, the booster pump is communicated with the water storage tank through a pipeline, and the pressure regulating valve is installed on the pipeline between the booster pump and the water storage tank.
Furthermore, a rubber pad is arranged on one side, close to the pipe fitting, of the sealing plate, and a spherical groove is formed in the center of one side, far away from the pipe fitting, of the sealing plate.
Further, the three-jaw puller is a three-jaw hydraulic puller.
Advantageous effects
Compared with the prior art, the utility model has the following advantages:
according to the pipe fitting strength testing device, the form that the three-jaw puller pushes the sealing plate to be locked is used for replacing the bolt connection locking form, the pipe fitting can be sealed quickly, the sealing performance of the pipe fitting is improved, meanwhile, a long testing hose and a quick connector are used for connecting testing media, the testing media can be conveyed to the pipe fittings at different positions, and the conveying of the pipe fitting is reduced, so that the labor intensity is reduced, the working efficiency is improved, and the problems that the pipe fitting is frequently conveyed, the pipe fitting is difficult to install, the fastening is difficult, the sealing performance is reduced and the like in the pipe fitting strength test are solved.
Drawings
Fig. 1 is a schematic structural view of the utility model;
fig. 2 is an enlarged schematic view of the structure at a in fig. 1.
Wherein: the device comprises a three-jaw puller, a sealing plate 2, a quick joint 3, a valve 4, a pipe 5, a pulling jaw 6, a pipe orifice flange 7, a push rod 8, a test hose 9, a water storage tank 10, an integrated water main 11, a branch pipe 12, a ball valve 13, a pressure gauge 14, a booster pump 15, a pressure regulating valve 16 and a spherical groove 17.
Detailed Description
The utility model will be further described with reference to specific embodiments shown in the drawings.
Referring to fig. 1-2, the method for testing the strength of the pipe fitting of the present invention comprises the steps of using a three-jaw puller to extrude and fix a sealing plate on a pipe orifice of the pipe fitting to seal the pipe fitting, moving a test hose to position the pipe fitting at different positions, and injecting a high-pressure test medium into the pipe fitting by using the test hose to realize a pressure strength test on the pipe fitting. The method comprises the following steps:
(1) respectively placing the sealing plates on the two pipe orifice end surfaces of the pipe fitting, and then extruding and fixing the sealing plates on the pipe orifice end surfaces of the pipe fitting by using a three-jaw puller to realize sealing of the pipe fitting; the method comprises the following steps of placing a sealing plate on a pipe orifice of a pipe fitting, grabbing a pipe orifice flange of the pipe fitting by using a pulling claw of a three-claw puller, and pushing the sealing plate through a push rod so as to extrude and fix the sealing plate on the end face of the pipe orifice;
(2) moving the test hose to one of the sealing plates, and communicating the test hose with the quick connector on the sealing plate;
(3) and opening a valve on the quick connector, injecting a high-pressure test medium into the pipe fitting, keeping the pressure of the high-pressure test medium in the pipe fitting at 0.4-1.5Mpa for 5-10min, and completing the compression strength test of the pipe fitting.
The three-jaw puller is adopted to extrude and fix the sealing plate at the pipe orifice of the pipe fitting to seal the pipe fitting, the test hose is moved to place the pipe fitting at different positions, the pipe fitting is fixed, the test hose is moved to test the pressure of the pipe fitting at different positions, the carrying work of the pipe fitting is reduced, compared with the existing pipe-pipe connection test mode, the efficiency can be improved by more than 1 time, compared with the existing single-pipe fixed test mode, the efficiency can be improved by more than 30%, the labor intensity is effectively reduced, and the working efficiency is improved.
A pipe fitting strength test device comprises a water supply assembly, a three-jaw puller 1 and a sealing plate 2, wherein a quick connector 3 is arranged on the sealing plate 2, the quick connector 3 penetrates through the sealing plate 2 so as to facilitate the passing of a test medium, an opening valve 4 is arranged on the quick connector 3 so as to facilitate the control of the circulation of the test medium, the sealing plate 2 is placed on two pipe orifice end faces of a pipe fitting 5, two side faces of the sealing plate 2 are flat horizontal planes, the phenomenon of uneven stress is avoided when the pipe fitting is used, the sealing plate 2 is made of high-strength steel with the yield strength of 295Mpa, the strength of the sealing plate 2 is ensured, a pulling jaw 6 of the three-jaw puller 1 is clamped on a pipe orifice flange 7 of the pipe fitting 5 to hook the pipe orifice flange 7, a push rod 8 of the three-jaw puller 1 is abutted against one side of the sealing plate 2, so that the sealing plate 2 is extruded and fixed on the pipe orifice end face of the pipe fitting 5, the water outlet end of the water supply assembly is communicated with the quick connector 3 through a test hose 9, the test hose 9 is a slender flexible pipe and is convenient to move to different positions for use.
According to the pipe fitting strength testing device, a bolt connection locking form is replaced by a form that the three-jaw puller 1 pushes the sealing plate 2 to be locked, the pipe fitting 5 can be quickly sealed, the sealing performance of the pipe fitting 5 is improved, meanwhile, a test medium is communicated by the longer test hose 9 and the quick connector 3, the test medium can be conveyed to pipe fittings at different positions, and the conveying of the pipe fittings is reduced, so that the labor intensity is reduced, the working efficiency is improved, and the problems that the pipe fittings are frequently conveyed, the pipe fitting installation difficulty is high, the fastening is difficult, the sealing performance is reduced and the like in the pipe fitting strength test are solved; and closing plate 2 is independent plate, can do enough big or change closing plate 2 with its area to seal up the pipe fitting of different pipe diameters, application range is wider.
Preferably, the water supply assembly comprises a water storage tank 10 and an integrated water main 11, wherein the integrated water main 11 is communicated with the water storage tank 10 through a pipeline, a plurality of branch pipes 12 communicated with the integrated water main 11 are arranged on the integrated water main, and each branch pipe 12 is connected with a test hose 9. Adopt integrated water main 11 to connect the mode of a plurality of reposition of redundant personnel branch pipes 12, every reposition of redundant personnel branch pipe 12 all can be experimental to a pipe fitting, can realize simultaneously testing a plurality of pipe fittings, in addition after one of them pipe fitting is experimental to be accomplished, can connect in the removal of experimental hose 9 and closing plate 2, three-jaw puller 1 to next pipe fitting, test other pipe fittings, it is more convenient to use, further improves work efficiency.
Be equipped with ball valve 13 on the pipeline between integrated water main 11 and water storage tank 10, conveniently control a plurality of reposition of redundant personnel branch pipes 12 simultaneously and supply water, all be equipped with manometer 14 on every reposition of redundant personnel branch pipe 12, be convenient for observe the test pressure of the pipe fitting 5 that every reposition of redundant personnel branch pipe 12 corresponds.
Preferably, the water supply assembly further comprises a booster pump 15 and a pressure regulating valve 16, wherein the booster pump 15 is in communication with the water storage tank 10 through a pipe, and the pressure regulating valve 16 is installed on the pipe between the booster pump 15 and the water storage tank 10. After the booster pump 15 pressurizes to the water storage tank 10, the water storage tank 10 pressurizes to integrated water main 11, reposition of redundant personnel branch pipe 12 again, adopts the booster pump 15 mode of pressurizing a plurality of reposition of redundant personnel branch pipes 12 simultaneously, can make the test pressure of the pipe fitting 5 that every reposition of redundant personnel branch pipe 12 corresponds keep unanimous, and test pressure is more easily controlled, also can guarantee the experimental uniformity of intensity simultaneously.
Preferably, the one side that is close to pipe fitting 1 on closing plate 2 is equipped with the rubber pad, and closing plate 2 adopts the mouth of pipe of rubber pad and pipe fitting 5 to contact, improves the leakproofness between closing plate 2 and the pipe fitting 5, and the one side center of keeping away from pipe fitting 1 on closing plate 2 is equipped with spherical groove 17, and three-jaw draws horse 1's push rod 8 to support to press in spherical groove 17, can make things convenient for three-jaw to draw horse 1's centering on the one hand, and on the other hand can prevent that closing plate 2 from sideslipping and influence experimental problem. Further, still be provided with conical rubber end cap in the bottom center of rubber pad, the rubber end cap is pegged graft in pipe fitting 5, is when placing closing plate 2 on the one hand, plays the effect of location placing to closing plate 2, and on the other hand can further improve closing plate 2 to the leakproofness of pipe fitting 5.
Preferably, the three-jaw hydraulic drawing device 1 is a three-jaw hydraulic drawing device, is convenient to control, has high pressure, and extrudes the sealing plate 2 by using the three-jaw hydraulic drawing device, so that the stability is higher, and the sealing performance is better.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the structure of the utility model, which will not affect the effect of the utility model and the practicability of the patent.
Claims (6)
1. The utility model provides a pipe fitting strength test device, its characterized in that draws horse (1), closing plate (2) including water supply assembly and three-jaw, closing plate (2) on be equipped with quick-operation joint (3), quick-operation joint (3) on be equipped with and open valve (4), closing plate (2) place two mouth of pipe terminal surfaces at pipe fitting (5), three-jaw draw the mouth of pipe flange (7) of claw (6) joint on pipe fitting (5) of drawing of horse (1), three-jaw draw push rod (8) of horse (1) to support and press in one side of closing plate (2), water supply assembly's outlet end pass through experimental hose (9) and quick-operation joint (3) intercommunication.
2. The pipe fitting strength test device according to claim 1, wherein the water supply assembly comprises a water storage tank (10) and an integrated water main (11), the integrated water main (11) is communicated with the water storage tank (10) through a pipeline, a plurality of branch pipes (12) communicated with the integrated water main (11) are arranged on the integrated water main, and each branch pipe (12) is connected with a test hose (9).
3. The pipe strength testing device according to claim 2, wherein a ball valve (13) is arranged on a pipeline between the integrated water main (11) and the water storage tank (10), and a pressure gauge (14) is arranged on each branch pipe (12).
4. The pipe strength testing device of claim 2, wherein the water supply assembly further comprises a booster pump (15) and a pressure regulating valve (16), the booster pump (15) is communicated with the water storage tank (10) through a pipeline, and the pressure regulating valve (16) is installed on the pipeline between the booster pump (15) and the water storage tank (10).
5. A pipe strength testing device according to any one of claims 1-4, characterized in that a rubber pad is arranged on one side of the sealing plate (2) close to the pipe (5), and a spherical groove (17) is arranged in the center of one side of the sealing plate (2) far from the pipe (5).
6. A pipe fitting strength test device according to claim 5, characterized in that the three-jaw puller (1) is a three-jaw hydraulic puller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122509951.XU CN216208203U (en) | 2021-10-19 | 2021-10-19 | Pipe fitting strength test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122509951.XU CN216208203U (en) | 2021-10-19 | 2021-10-19 | Pipe fitting strength test device |
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| Publication Number | Publication Date |
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| CN216208203U true CN216208203U (en) | 2022-04-05 |
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| CN202122509951.XU Active CN216208203U (en) | 2021-10-19 | 2021-10-19 | Pipe fitting strength test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820219A (en) * | 2021-10-19 | 2021-12-21 | 中船桂江造船有限公司 | Pipe fitting strength test method and device |
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2021
- 2021-10-19 CN CN202122509951.XU patent/CN216208203U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820219A (en) * | 2021-10-19 | 2021-12-21 | 中船桂江造船有限公司 | Pipe fitting strength test method and device |
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