PE pipe pressure testing device

Abstract

The utility model relates to the technical field of pipeline pressure testing, and discloses a PE pipe pressure testing device which comprises a testing seat. A pipeline groove is formed in the top of the test seat, and an elastic limiting piece for limiting a pipeline is mounted on the test seat; the testing seat is provided with a moving assembly part which moves back and forth along the pipeline groove, and the moving assembly part is provided with a single-point surface stamping switching part located above the pipeline groove and a driving part used for driving the single-point surface stamping switching part to be close to or away from the moving assembly part. The utility model provides a PE pipe pressure testing device, and solves the problems that only performance information of a local area of a pipeline can be provided, a surface stamping test cannot be carried out and the overall performance of a PE pipe cannot be accurately reflected due to the fact that a single-point stamping test is mostly adopted for testing the PE pipe in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline pressure testing, in particular to a PE pipe pressure testing device. Background Art

[0002] In the rapid development of modern society, the importance of pipeline systems as infrastructure for transporting liquids, gases and solids is self-evident. Among them, PE pipes, as a high-quality pipeline material, are favored due to their unique properties. In the production process of PE pipes, quality control is a key link to ensure the safe and reliable operation of pipelines. Among them, pressure testing is one of the important means to evaluate the quality of PE pipes. Pressure testing of PE pipes can detect potential problems such as leakage and rupture, thereby ensuring the safety and reliability of pipelines. At present, most manufacturers use presses to perform stamping tests on PE pipes. The presses apply a predetermined pressure to detect its ability to withstand pressure.

[0003] Most existing tests on PE pipes use single-point stamping tests, which can only provide performance information of a local area of ​​the pipe, but cannot perform surface stamping tests and cannot accurately reflect the overall performance of the PE pipe.

[0004] In order to solve the above problems, a PE pipe pressure testing device is proposed in the present application. Utility Model Content

[0005] Based on the technical problems existing in the background technology, the utility model proposes a PE pipe pressure testing device.

[0006] The utility model provides a PE pipe pressure testing device, comprising a testing seat;

[0007] A pipeline groove is provided on the top of the test seat, and an elastic limiting member for limiting the pipeline is installed on the test seat;

[0008] The test seat is provided with a movable assembly which reciprocates along the pipeline groove, and the movable assembly is provided with a single-point surface stamping switching component located above the pipeline groove and a driving component for driving the single-point surface stamping switching component to move toward or away from the pipeline groove.

[0009] Preferably, the single-point surface stamping switching component includes an arc-shaped stamping block, which is located above the pipe groove. The arc-shaped stamping block is driven by a driving member to approach or move away from the pipe groove. A plurality of spaced-apart threaded holes are provided on the top of the arc-shaped stamping block, and a single-point stamping part is threadedly connected to a plurality of corresponding threaded holes, and the bottom end of the single-point stamping part extends downward to the bottom of the arc-shaped stamping block.

[0010] Preferably, the single-point stamping portion includes a threaded barrel, the outer periphery of the bottom end of the threaded barrel is provided with an external thread, the bottom end of the threaded barrel is threadedly connected to the corresponding threaded hole, the threaded barrel is provided with a through plug-in channel, a stamping rod is slidably inserted in the plug-in channel, the bottom end of the stamping rod extends downward to the bottom of the arc-shaped stamping block, an end block is installed on the top of the stamping rod, a second spring located between the threaded barrel and the end block is sleeved on the stamping rod, the two ends of the second spring are respectively connected to the threaded barrel and the end block, a plurality of spaced-apart sockets are provided on the outer periphery of the stamping rod, the outer periphery of the threaded barrel is provided with a socket connected to the plug-in channel, a pin is inserted in the socket, and one end of the pin is inserted in one of the sockets.

[0011] Preferably, the movable assembly comprises an electric slide rail and an assembly rack, the electric slide rail is transversely mounted on a side of the test seat, and the assembly rack is mounted on a slider of the electric slide rail.

[0012] Preferably, the driving member comprises a cylinder, the cylinder is mounted on an assembly frame, the arc-shaped punching block is connected to a driving end of the cylinder and is driven by the cylinder to move closer to or away from the pipeline groove.

[0013] Preferably, the elastic limit member includes two arc-shaped limit blocks, which are respectively arranged on both sides of the top of the test seat and located on the pipeline groove, and the first springs connected to the test seat are installed on both sides of the bottom of the arc-shaped limit block.

[0014] The above technical solution of the utility model has the following beneficial technical effects:

[0015] By means of the arc-shaped stamping block and the single-point stamping part, the PE pipe to be tested can be placed in the groove of the pipe, and then the arc-shaped stamping block can be driven by the driving part to approach the PE pipe, and the single-point stamping part on the arc-shaped stamping block can be used to perform a single-point stamping test on the PE pipe. After the single-point stamping test on the pipe is completed, the single-point stamping part can be pulled upward to retract the single-point stamping part, and then the arc-shaped stamping block can be driven by the driving part to perform a stamping test on the outer peripheral surface of the PE pipe. This structure can realize the stamping switching test of the single point and the outer peripheral surface of the PE pipe, thereby improving the accuracy of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a structural schematic diagram of a PE pipe pressure testing device proposed by the utility model.

[0017] Figure 2 For this utility model Figure 1 Schematic diagram of the local structure in.

[0018] Figure 3It is a schematic diagram of the planar structure of a single-point surface stamping switching component in a PE pipe pressure testing device proposed by the utility model.

[0019] Figure 4 For this utility model Figure 1 A is an enlarged view of the middle image.

[0020] Figure numerals: 1. test seat; 2. elastic limit member; 21. arc limit block; 22. first spring; 3. movable assembly member; 31. electric slide rail; 32. assembly frame; 4. single-point surface stamping switching member; 41. arc stamping block; 42. single-point stamping part; 421. threaded barrel; 422. stamping rod; 423. end block; 424. second spring; 425. latch; 5. cylinder. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0022] like Figure 1-4 As shown, a PE pipe pressure testing device proposed by the utility model comprises a testing seat 1;

[0023] In this embodiment, a pipeline groove is provided on the top of the test seat 1, and an elastic stopper 2 for pipeline position limiting is installed on the test seat 1. The elastic stopper 2 includes two arc-shaped stoppers 21, which are respectively arranged on both sides of the top of the test seat 1 and located on the pipeline groove, and first springs 22 connected to the test seat 1 are installed on both sides of the bottom of the arc-shaped stopper 21.

[0024] In this embodiment, a moving assembly part 3 that reciprocates along the pipeline groove is installed on the test seat 1, and a single-point surface stamping switching part 4 located above the pipeline groove and a driving part for driving the single-point surface stamping switching part 4 to move closer to or away from it are installed on the moving assembly part 3. The moving assembly part 3 includes an electric slide rail 31 and an assembly rack 32. The electric slide rail 31 is horizontally installed on the side of the test seat 1, and the assembly rack 32 is installed on the slider of the electric slide rail 31. The driving part includes a cylinder 5, which is installed on the assembly rack 32. The arc-shaped stamping block 41 is connected to the driving end of the cylinder 5 and is driven by the cylinder 5 to move closer to or away from the pipeline groove.

[0025] In this embodiment, the single-point surface stamping switching component 4 includes an arc-shaped stamping block 41, which is located above the pipe groove. The arc-shaped stamping block 41 is driven by a driving component to approach or move away from the pipe groove. A plurality of spaced threaded holes are provided on the top of the arc-shaped stamping block 41, and a single-point stamping portion 42 is threadedly connected to a plurality of corresponding threaded holes, and the bottom end of the single-point stamping portion 42 extends downward to the bottom of the arc-shaped stamping block 41. The single-point stamping portion 42 includes a threaded barrel 421, the outer periphery of the bottom end of the threaded barrel 421 is provided with an external thread, the bottom end of the threaded barrel 421 is threadedly connected to the corresponding threaded hole, a through plug-in channel is provided in the threaded barrel 421, a stamping rod 422 is slidably inserted in the plug-in channel, the bottom end of the stamping rod 422 extends downward to the bottom of the arc-shaped stamping block 41, an end block 423 is installed at the top of the stamping rod 422, a second spring 424 located between the threaded barrel 421 and the end block 423 is sleeved on the stamping rod 422, the two ends of the second spring 424 are respectively connected to the threaded barrel 421 and the end block 423, a plurality of spaced-apart jacks are provided on the outer periphery of the stamping rod 422, a socket connected to the plug-in channel is provided on the outer periphery of the threaded barrel 421, a plug pin 425 is inserted in the socket, and one end of the plug pin 425 is inserted in one of the sockets.

[0026] It should be noted that: the PE pipe to be tested can be placed in the pipeline groove. Under the action of the first spring 22, the two ends of the PE pipe can be limited by the two arc-shaped limit blocks 21 respectively, and then the arc-shaped punching block 41 can be driven by the cylinder 5 to approach the PE pipe. The PE pipe can be subjected to a single-point punching test by the punching rod 422 on the threaded cylinder 421. Since a plurality of single-point punching parts 42 are provided, single-point punching tests can be performed on different positions of the PE pipe at the same time. After the single-point punching test of the pipeline is completed, Pull out the latch 425 to release the limit of the punch rod 422, then pull the punch rod 422 upward through the end block 423, so that the bottom end of the punch rod 422 retracts into the threaded tube 421, and then insert the latch 425 into the corresponding socket on the punch rod 422 to lock the punch rod 422, and then drive the arc punch block 41 through the cylinder 5 to perform a punch test on the outer peripheral surface of the PE pipe. This structure can realize the single point and outer peripheral surface punching switching test of the PE pipe, thereby improving the accuracy of the test.

[0027] In a specific embodiment, during testing, the threaded barrel 421 can be unscrewed from the thread opened on the arc-shaped stamping block 41 as needed to add or reduce the single-point stamping portion 42, or the position of the threaded barrel 421 on the arc-shaped stamping block 41 can be changed, and the threaded barrel 421 can be screwed into the corresponding threaded hole.

[0028] In a specific embodiment, when testing a pipeline, the electric slide rail 31 can drive the assembly frame 32 to drive the arc-shaped punching block 41 to move along the pipeline, so that the corresponding position on the pipeline can be tested, thereby improving the test effect.

[0029] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A PE pipe pressure test device, comprising a test seat (1), characterized in that: A pipeline groove is provided on the top of the test seat (1), and an elastic limiting member (2) for limiting the pipeline position is installed on the test seat (1); The test seat (1) is provided with a movable assembly part (3) that reciprocates along the pipeline groove, and the movable assembly part (3) is provided with a single-point surface stamping switching part (4) located above the pipeline groove and a driving part for driving the single-point surface stamping switching part (4) to move toward or away from the pipeline groove.

2. A PE pipe pressure testing device according to claim 1, characterized in that: The single-point surface stamping switching member (4) comprises an arc-shaped stamping block (41), the arc-shaped stamping block (41) is located above the pipeline groove, the arc-shaped stamping block (41) is driven by a driving member to approach or move away from the pipeline groove, a plurality of threaded holes arranged at intervals are opened on the top of the arc-shaped stamping block (41), a single-point stamping portion (42) is threadedly connected in the plurality of corresponding threaded holes, and the bottom end of the single-point stamping portion (42) extends downward to the bottom of the arc-shaped stamping block (41).

3. A PE pipe pressure testing device according to claim 2, characterized in that: The single-point stamping portion (42) comprises a threaded barrel (421), the outer periphery of the bottom end of the threaded barrel (421) is provided with an external thread, the bottom end of the threaded barrel (421) is threadedly connected to a corresponding threaded hole, a through insertion channel is provided in the threaded barrel (421), a stamping rod (422) is slidably inserted in the insertion channel, the bottom end of the stamping rod (422) extends downward to the bottom of the arc-shaped stamping block (41), the top end of the stamping rod (422) is provided with an end block (423), and the stamping A second spring (424) is sleeved on the rod (422) and is located between the threaded barrel (421) and the end block (423). The two ends of the second spring (424) are respectively connected to the threaded barrel (421) and the end block (423). The outer periphery of the punching rod (422) is provided with a plurality of insertion holes arranged at intervals. The outer periphery of the threaded barrel (421) is provided with a socket connected to the insertion channel. A plug (425) is inserted into the socket, and one end of the plug (425) is inserted into one of the insertion holes.

4. A PE pipe pressure testing device according to claim 3, characterized in that: The movable assembly part (3) comprises an electric slide rail (31) and an assembly frame (32); the electric slide rail (31) is transversely mounted on the side of the test seat (1); and the assembly frame (32) is mounted on a slider of the electric slide rail (31).

5. A PE pipe pressure testing device according to claim 4, characterized in that: The driving member comprises a cylinder (5), the cylinder (5) is mounted on an assembly frame (32), the arc-shaped punching block (41) is connected to the driving end of the cylinder (5) and is driven by the cylinder (5) to move closer to or farther from the pipeline groove.

6. A PE pipe pressure testing device according to claim 1, characterized in that: The elastic limiting member (2) comprises two arc-shaped limiting blocks (21), the two arc-shaped limiting blocks (21) are respectively arranged on both sides of the top of the test seat (1) and located on the pipeline groove, and first springs (22) connected to the test seat (1) are installed on both sides of the bottom of the arc-shaped limiting blocks (21).

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