A pipe dismounting device for green tape pressure detection
By designing a pipe fitting assembly and disassembly device for pressure testing of raw material tape, the mechanized assembly and disassembly of pipe fittings was realized, solving the problem of time-consuming and labor-intensive manual operation, and improving efficiency and the reliability of test results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG CHENYUHUI NEW MATERIAL TECHNOLOGY CO LTD
- Filing Date
- 2025-08-06
- Publication Date
- 2026-06-23
AI Technical Summary
In the existing technology, the lack of pipe fitting disassembly and assembly equipment during the pressure resistance test of raw material tape leads to time-consuming and labor-intensive manual operation, low efficiency, and inconsistent tightening force, which affects the reliability of the test results.
A pipe fitting assembly and disassembly device for pressure testing of raw material tape was designed, including a frame, a material trough, first and second pipe fitting clamping mechanisms and a motor drive. The device achieves mechanized assembly and disassembly of pipe fittings by simulating screw tightening operations. A bidirectional rotating motor and a torque control instrument are used to ensure consistent tightening.
This technology enables mechanized assembly and disassembly of pipe fittings during the pressure resistance testing of raw material tape, improving work efficiency, ensuring consistent tightening force, and enhancing the reliability of test results.
Smart Images

Figure CN224391040U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of raw material tape testing equipment, specifically relating to a pipe fitting disassembly and assembly device for testing the pressure resistance of raw material tape. Background Technology
[0002] When performing pressure resistance testing on PTFE tape, the tape is typically wrapped around the joints of several pipe fittings. One end of the fitting is then sealed with a plug, and the other end is filled with test fluid for pressure testing. To ensure the reliability of the results, the pipe fittings used for pressure testing usually need to have multiple joints, meaning the fitting needs to be composed of several sets of short pipes connected sequentially. Especially for the upgraded expansion-type PTFE tape, the number of short pipes can reach as many as 20 sets. Therefore, the workload of assembling and disassembling the fittings during the pressure resistance testing of PTFE tape is substantial. However, there is currently no equipment available to complete this task, and the operation is still done manually. It takes at least half a day for one person to complete the pressure resistance test alone, which is extremely time-consuming, labor-intensive, and inefficient. In addition, when assembling the fittings manually, it is difficult to control the tightening force of each short pipe section, often resulting in inconsistent tightening and, in severe cases, deviations in the test results. Utility Model Content
[0003] The purpose of this invention is to overcome the shortcomings of the existing technology where the pressure resistance test of raw material tape requires manual assembly and disassembly of pipe fittings due to the lack of corresponding equipment, which is time-consuming, labor-intensive and time-consuming. This invention provides a pipe fitting assembly and disassembly device for pressure resistance test of raw material tape.
[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0005] A pipe fitting assembly and disassembly device for pressure resistance testing of raw material tape includes a frame, a material trough disposed on the frame, a first pipe fitting clamping mechanism rotatably disposed on the frame and located on one side of the material trough, a second pipe fitting clamping mechanism slidably disposed on the frame and located above the material trough, and a motor for driving the first pipe fitting clamping mechanism to rotate; the first pipe fitting clamping mechanism and the second pipe fitting clamping mechanism are each provided with a locking member A for clamping short pipes and a locking member B for clamping plugs or connectors.
[0006] As a further technical solution, lock A and lock B have the same structure, both consisting of two half-locks joined together.
[0007] As a further technical solution, both lock A and lock B are provided with limit protrusions and limit blocks.
[0008] As a further technical solution, the locking component A is provided with a central insertion hole that is adapted to the short tube positioning part;
[0009] The lock component B has two models, and each model of lock component B is provided with a central insertion hole that is compatible with the positioning part of the connector and the positioning part of the plug.
[0010] As a further technical solution, the first pipe clamping mechanism includes a rotating shaft rotatably mounted on the frame via several bearings; a first limiting hole adapted to the limiting block of the corresponding locking member is provided at one end of the rotating shaft near the second pipe clamping structure.
[0011] As a further technical solution, a through hole is provided at the center of the rotating shaft, and the through hole is connected to the first limiting hole and is coaxially arranged.
[0012] As a further technical solution, the rotating shaft is connected to the motor shaft via a sprocket and chain.
[0013] As a further technical solution, a torque sensor is installed on the motor shaft.
[0014] As a further technical solution, a torque control instrument is also installed on the frame.
[0015] As a further technical solution, the frame is equipped with two sliding rods.
[0016] As a further technical solution, the second pipe clamping mechanism includes a mounting plate slidably disposed on two slide rods, and the mounting plate is provided with a second limiting hole adapted to the limiting plug of the corresponding locking member.
[0017] As a further technical solution, in the first limiting hole and the second limiting hole, a limiting block of locking component A is inserted in one limiting hole, and a limiting block of locking component B is inserted in the other limiting hole.
[0018] As a further technical solution, there are two sliding rods, one high and the other low.
[0019] As a further technical solution, the frame is equipped with a forward rotation control button for controlling the forward rotation of the motor and a reverse rotation control button for controlling the reverse rotation of the motor.
[0020] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0021] 1. This utility model simulates the operation of tightening screws by rotating the first pipe clamping mechanism and sliding the second pipe clamping mechanism. The first pipe clamping mechanism is driven by a motor to rotate forward and reverse to realize the assembly and disassembly of the pipe. This realizes the mechanized assembly and disassembly of the pipe during the pressure test of raw material tape, which greatly improves the work efficiency.
[0022] 2. The locking component of this utility model consists of two half-locking components joined together, which facilitates the installation of the pipe fitting onto the pipe fitting clamping mechanism and also facilitates the removal of the pipe fitting from the pipe fitting clamping mechanism.
[0023] 3. This utility model uses a bidirectional rotating motor, and the rotation direction of the motor is controlled by a forward button and a response button, so that it can not only complete the mechanized tightening and assembly of pipe fittings, but also the mechanized loosening and disassembly of pipe fittings. Attached Figure Description
[0024] Figure 1 This is a structural schematic diagram of the pipe fitting used for pressure resistance testing;
[0025] Figure 2 This is a perspective view of one embodiment of the present utility model;
[0026] Figure 3 This is a cross-sectional view of one embodiment of the present invention;
[0027] Figure 4 This is a schematic diagram of the structure of lock B in one embodiment of the present invention;
[0028] Figure 5 This is a schematic diagram of the structure of lock A in one embodiment of the present invention;
[0029] In the diagram: 1. Frame; 2. Material trough; 3. First pipe clamping mechanism; 4. Second pipe clamping mechanism; 5. Motor; 6. Lock A; 7. Lock B; 8. Semi-lock; 9. Limiting protrusion; 10. Limiting insert; 11. Center hole; 12. Bearing; 13. Rotating shaft; 14. Through hole; 15. Sprocket; 16. Chain; 17. Slide rod; 18. Mounting plate; 19. Forward control button; 20. Reverse control button; 21. Cover; 22. Short pipe; 23. Short pipe positioning part; 24. Strip protrusion; 25. Connector; 26. Connector positioning part; 27. Plug; 28. Plug positioning part; 29. Torque sensor; 30. Torque control instrument. Detailed Implementation
[0030] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0031] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0033] The present invention will now be described in further detail with reference to the accompanying drawings.
[0034] Example 1
[0035] like Figure 1 An embodiment of the pressure-resistant test fitting shown includes a plurality of short pipes 22, a plurality of connectors 25, and a plug 27. The plurality of short pipes 22 and connectors 25 are alternately arranged and connected by threads. The plug 27 is threaded to one of the end-side short pipes 22. The short pipes 22 have a short pipe positioning part 23 on their outer wall, and the short pipe positioning part 23 has a strip-shaped protrusion 24 for ensuring that the short pipes 22 rotate synchronously with the locking member A. The connectors 25 have a connector positioning part 26, and the plug 27 has a plug positioning part 28 on its outer wall. Both the connector positioning part 26 and the plug positioning part 28 adopt a polygonal limiting structure to ensure that they can rotate synchronously with the corresponding locking member.
[0036] Example 2
[0037] Figure 2-5This invention illustrates an embodiment of a pipe fitting assembly and disassembly device for raw material tape pressure testing, comprising a frame 1, a material trough 2 mounted on the frame 1, a first pipe fitting clamping mechanism 3 rotatably mounted on the frame 1 and located on one side of the material trough 2, a second pipe fitting clamping mechanism 4 slidably mounted on the frame 1 and located above the material trough 2, and a motor 5 driving the first pipe fitting clamping mechanism 3 to rotate. On the first and second pipe fitting clamping mechanisms 3 and 4 respectively, one clamping mechanism is equipped with a locking element A6 for clamping a short pipe 22, and the other clamping mechanism is equipped with a locking element B7 for clamping a plug 27 or a connector 25. This invention simulates the operation of tightening screws by rotatably mounting the first pipe fitting clamping mechanism 3 and slidably mounting the second pipe fitting clamping mechanism 4, and uses the motor 5 to drive the first pipe fitting clamping mechanism 3 to rotate forward and reverse to achieve the assembly and disassembly of pipe fittings, thereby realizing the mechanized assembly and disassembly of pipe fittings during raw material tape pressure testing, greatly improving work efficiency.
[0038] As an embodiment of the pipe fitting disassembly and assembly device for pressure testing of raw material tape according to this utility model, the locking piece A6 and locking piece B7 have the same structure, both consisting of two half-locking pieces 8 joined together. The locking piece of this utility model is composed of two half-locking pieces 8 joined together, which facilitates the installation of the pipe fitting onto the pipe fitting clamping mechanism and also facilitates the removal of the pipe fitting from the pipe fitting clamping mechanism.
[0039] As an embodiment of the pipe fitting disassembly and assembly device for pressure testing of raw material tape according to this utility model, both locking member A6 and locking member B7 are provided with limiting protrusions 9 and limiting blocks 10.
[0040] As an embodiment of the pipe fitting disassembly and assembly device for pressure resistance testing of raw material tape according to this utility model, the locking member A6 is provided with a central insertion hole 11 that is adapted to the short pipe positioning part 23;
[0041] The lock component B7 has two models, and each model of lock component B7 is provided with a center insertion hole 11 that is adapted to the connector positioning part 26 and the plug positioning part 28.
[0042] As an embodiment of the pipe fitting disassembly and assembly device for pressure resistance testing of raw material tape according to this utility model, the first pipe fitting clamping mechanism 3 includes a rotating shaft 13 rotatably mounted on the frame 1 via several bearings 12; the rotating shaft 13 is provided with a first limiting hole at one end near the second pipe fitting clamping structure, which is adapted to the limiting plug 10 of the corresponding locking member.
[0043] As an embodiment of the pipe fitting disassembly and assembly device for pressure resistance testing of raw material tape according to this utility model, the center of the rotating shaft 13 is provided with a through hole 14, which is connected to the first limiting hole and is coaxially arranged.
[0044] As an embodiment of the pipe fitting disassembly and assembly device for pressure testing of raw material tape according to this utility model, the rotating shaft 13 is connected to the rotating shaft of the motor 5 through the sprocket 15 and the chain 16.
[0045] As an embodiment of the pipe fitting disassembly and assembly device for pressure testing of raw material tape according to this utility model, a torque sensor 29 is provided on the rotating shaft of the motor 5. It is used to measure the torque value when the rotating shaft of the motor 5 rotates, thereby ensuring that the rotation angle and tightening degree are consistent when all short pipes 22 are connected.
[0046] As a further technical solution, a torque control instrument 30 is also provided on the frame; the torque control instrument 30 is communicatively connected to the torque sensor 29 and the motor; the torque control instrument is a torque control instrument with a speaker, used to monitor the locking torque of the pipe fitting in real time, set the torque target value, and when the target value is reached, the instrument can control the motor to stop and issue an audible prompt; the present invention, by setting the torque target value through the torque control instrument, receiving the monitoring value of the torque sensor, and the instrument being able to control the motor to stop and issue an audible prompt when the target value is reached, is existing technology, and its specific structure and principle will not be described in detail here.
[0047] As a further technical solution, the torque sensor adopts the Zhongnuo 0-50N.m static torque sensor;
[0048] The torque control instrument is the ZN4S intelligent display controller from Zhongnuo Chuanli.
[0049] As an embodiment of the pipe fitting disassembly and assembly device for pressure testing of raw material tape according to this utility model, the frame 1 is provided with two sliding rods 17.
[0050] The second pipe clamping mechanism 4 includes a mounting plate 18 slidably disposed on two slide rods 17, and the mounting plate 18 is provided with a second limiting hole that is adapted to the limiting plug 10 of the corresponding locking member.
[0051] As an embodiment of the pipe fitting disassembly and assembly device for pressure testing of raw material tape according to this utility model, in the first limiting hole and the second limiting hole, a limiting block of locking piece A is inserted in one limiting hole, and a limiting block of locking piece B is inserted in the other limiting hole.
[0052] As an embodiment of the pipe fitting disassembly and assembly device for pressure resistance testing of raw material tape according to this utility model, there are two slide rods 17, one slide rod 17 is high and the other slide rod 17 is low.
[0053] As an embodiment of the pipe fitting assembly and disassembly device for pressure testing of raw material tape according to this utility model, the motor 5 is a bidirectional rotating motor 5; the frame 1 is provided with a forward rotation control button 19 for controlling the forward rotation of the motor 5 and a reverse rotation control button 20 for controlling the reverse rotation of the motor 5. This utility model uses a bidirectional rotating motor 5, and controls the rotation direction of the motor 5 through the forward button and the reaction button, so that it can not only complete the mechanized tightening and assembly of pipe fittings, but also the mechanized loosening and disassembly of pipe fittings.
[0054] As an embodiment of the pipe fitting disassembly and assembly device for pressure resistance testing of raw material tape according to this utility model, the frame is also provided with a cover 21 that covers the sprocket and chain.
[0055] The method of using this utility model
[0056] When assembling the pipe fittings, first wrap Teflon tape around the external thread of the connector 25. Then, align the half-locking part 8 of locking part A6 with the short pipe positioning part 23, and align the half-locking part 8 of locking part B7 with the connector positioning part 26 or the plug positioning part 28. Then, insert the limiting block 10 of one of the locking parts A6 and B7 into the second limiting hole, and align the limiting block 10 of the other locking part with the first limiting hole. Slide the mounting plate 18 so that the corresponding locking parts... The limiting plug 10 is inserted into the first limiting hole, thereby installing the short pipe 22 and the connector 25 / plug 27 onto the equipment; then the forward button is activated, the motor 5 rotates forward, driving the second pipe clamping mechanism 4 to move closer to the first pipe clamping mechanism 3, tightening the adjacent short pipe 22 with the connector 25 / plug 27; repeat the above operation until all short pipes 22 are assembled, then slide the mounting plate 18 to remove the assembled pipe fittings, and the pressure test can be performed;
[0057] After the pressure test, align the two half-locking parts 8 of locking part A6 with the pipe positioning part of the end pipe fitting, and align the two half-locking parts 8 of locking part B7 with the end connector positioning part 26 / plug positioning part 28. Then, insert the limiting plug 10 of one end of locking part A6 and locking part B7 into the second limiting hole, and align the limiting plug 10 of the other end of locking part with the first limiting hole. Slide the mounting plate 18 and insert the corresponding limiting plug 10 of the locking part into the first limiting hole. Install the pipe fitting onto the equipment, and then start the reverse button. The motor 5 rotates in the reverse direction, driving the second pipe fitting clamping mechanism 4 away from the first pipe fitting clamping mechanism 3. Loosen and disassemble the short pipe 22 with the connector 25 / plug 27. The pipe fitting falls off the equipment, and the locking part falls off the pipe fitting at the same time. Both fall into the material trough 2. Repeat this process until all the short pipes 22 have been disassembled.
[0058] The above-described embodiments are merely preferred embodiments of this utility model, and not an exhaustive list of all feasible implementations of this utility model. Any obvious modifications made by those skilled in the art without departing from the principles and spirit of this utility model should be considered to be included within the scope of protection of the claims of this utility model.
Claims
1. A device for disassembling and assembling pipe fittings for pressure resistance testing of raw material tape, characterized in that, Includes a frame (1), a material trough (2) disposed on the frame (1), a first pipe clamping mechanism (3) rotatably disposed on the frame (1) and located on one side of the material trough (2), a second pipe clamping mechanism (4) slidably disposed on the frame (1) and located above the material trough (2), and a motor (5) for driving the first pipe clamping mechanism (3) to rotate; on the first pipe clamping mechanism (3) and the second pipe clamping mechanism (4), one is provided with a locking member A (6) for clamping a short pipe (22), and the other is provided with a locking member B (7) for clamping a plug (27) or a connector (25).
2. The pipe fitting disassembly and assembly device for pressure resistance testing of raw material tape according to claim 1, characterized in that, The lock A (6) and lock B (7) have the same structure, both consisting of two half locks (8) joined together.
3. The pipe fitting disassembly and assembly device for pressure resistance testing of raw material tape according to claim 1, characterized in that, The locking component A (6) is provided with a central insertion hole (11) that is adapted to the short tube positioning part (23); The lock component B (7) has two models, and the two models of lock components B (7) are respectively provided with a center insertion hole (11) that is compatible with the connector positioning part (26) and the plug positioning part (28).
4. The pipe fitting disassembly and assembly device for pressure resistance testing of raw material tape according to claim 1, characterized in that, Both lock A (6) and lock B (7) are provided with a limiting protrusion (9) and a limiting insert (10).
5. The pipe fitting disassembly and assembly device for pressure resistance testing of raw material tape according to claim 4, characterized in that, The first pipe clamping mechanism (3) includes a rotating shaft (13) rotatably mounted on the frame (1) via a plurality of bearings (12); the rotating shaft (13) is provided with a first limiting hole at one end near the second pipe clamping structure, which is adapted to the limiting plug (10) of the corresponding locking member.
6. The pipe fitting disassembly and assembly device for pressure resistance testing of raw material tape according to claim 5, characterized in that, The rotating shaft (13) has a through hole (14) at its center, which is connected to the first limiting hole and is coaxially arranged. The rotating shaft (13) is connected to the rotating shaft of the motor (5) via a sprocket (15) and a chain (16).
7. The pipe fitting disassembly and assembly device for pressure resistance testing of raw material tape according to claim 5, characterized in that, A torque sensor (29) is provided on the shaft of the motor (5), and a torque control instrument (30) is also provided on the frame (1).
8. The pipe fitting disassembly and assembly device for pressure resistance testing of raw material tape according to claim 4, characterized in that, The frame (1) is equipped with two slide bars (17). The second pipe clamping mechanism (4) includes a mounting plate (18) slidably disposed on two slide rods (17), and the mounting plate (18) is provided with a second limiting hole that is adapted to the limiting plug (10) of the corresponding locking member.
9. The pipe fitting disassembly and assembly device for pressure resistance testing of raw material tape according to claim 8, characterized in that, Two slide bars (17) are provided, one slide bar (17) is high and the other slide bar (17) is low.
10. A pipe fitting disassembly and assembly device for pressure resistance testing of raw material tape according to claim 1, characterized in that, The frame (1) is equipped with a forward rotation control button (19) for controlling the forward rotation of the motor (5) and a reverse rotation control button (20) for controlling the reverse rotation of the motor (5).