Clamping assembly and multipurpose valve test bench

By automatically clamping the valve with the bidirectional screw and transmission block system in the clamping assembly, and combining with the motor to control the clamping table to slide, the problem of operators manually clamping the valve in the prior art is solved, and the efficiency of valve testing is improved.

CN223084558UActive Publication Date: 2025-07-11SICHUAN HANRUIJIE FLUID CONTROL EQUIP CO LTD
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Patent Information

Application Number
CN202421899624.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-07
Publication Date
2025-07-11
Estimated Expiration
2034-08-07

AI Technical Summary

Technical Problem

When clamping the valve, the existing clamping assembly requires the operator to hold the valve and place it between the two clamps, which increases the operator's working strength and reduces the valve's testing efficiency.

Method used

The bidirectional screw in the clamping assembly drives the transmission block and transmission rod to rotate, and moves up and down through the lifting platform, and combines the rotation of the clamp and the rubber layer to enhance friction, realize automatic clamping of the valve, and controls the sliding of the clamping platform through the motor to simplify the operation process.

Benefits of technology

It saves the physical strength of the operator, improves the efficiency of valve testing, and reduces the labor intensity of the operator.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223084558U_ABST
    Figure CN223084558U_ABST
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Abstract

The clamping assembly comprises a clamping table, a clamping part and a lifting part, the clamping part is arranged in the clamping table, the clamping part is provided with two lead screws a rotationally arranged in the clamping table, two clamps are arranged at the top of the clamping table in a sliding mode, the two clamps are in threaded connection with the two lead screws a, and the two lead screws a are in threaded connection with the lifting part. The lifting part is arranged in the clamping table, the lifting part is provided with two transmission blocks rotationally arranged in the clamping table, a transmission rod is rotationally arranged at the tops of the two transmission blocks, a lifting table is rotationally connected to the top of the transmission rod, and a bidirectional lead screw is transversely and rotationally arranged in the lifting part. By arranging the lifting part, the two transmission blocks can be driven to move through the rotation of the bidirectional screw rod, so that the transmission blocks drive the transmission rods to rotate, the transmission rods drive the lifting platform to move up and down, the valve is driven to move up and down, the physical strength of operators is saved, and the testing efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of clamping components, in particular to a clamping component and a multi-purpose valve test bench. Background Art

[0002] Valves are control components in fluid delivery systems, with functions such as shutoff, regulation, diversion, backflow prevention, pressure stabilization, diversion or overflow pressure relief. Valves used in fluid control systems, from the simplest shutoff valve to various valves used in extremely complex automatic control systems, have a wide variety of varieties and specifications. How to conveniently verify the various performances of valves is a problem that valve manufacturers must face. The valve test bench is a valve testing equipment that integrates electromechanical, hydraulic, pressure testing, and liquid medium storage and circulation. It has the characteristics of complete functions, stable performance, and high degree of automation. The hydraulic valve test bench needs to be reliably pressed and its functions meet the testing of valves of different diameters and pressure levels. The mobility and ease of use of the valve test bench are important links in the detection of valves. The easy-to-use and mobile valve test bench can greatly reduce the workload of the staff.

[0003] When using the existing test bench, the valve to be tested is usually placed in a clamping assembly and the left and right ends of the valve are clamped and fixed by two clamps. However, when clamping the valve, the existing clamping assembly requires the operator to hold the valve and place it between the two clamps, which increases the operator's workload and reduces the test efficiency of the valve. Utility Model Content

[0004] The purpose of the utility model is to provide a clamping assembly and a multi-purpose valve test bench to solve the problem that the existing clamping assembly proposed in the above background technology requires an operator to hold the valve and place it between two clamps when clamping the valve, which increases the operator's workload and reduces the test efficiency of the valve.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: On one hand, the utility model provides a clamping assembly, including a clamping platform, a clamping part and a lifting part:

[0006] The clamping part is arranged inside the clamping platform, and the clamping part has two screw rods a rotatably arranged inside the clamping platform. Two clamps are slidably arranged on the top of the clamping platform, and the two clamps are threadedly connected to the two screw rods a. The lifting part is arranged inside the clamping platform, and the lifting part has two transmission blocks rotatably arranged inside the clamping platform. A bidirectional screw rod is rotatably arranged inside the lifting part, and a transmission rod is rotatably arranged on the top of the two transmission blocks. The top of the transmission rod is rotatably connected to a lifting platform, and the rotation of the bidirectional screw rod drives the transmission block to drive the transmission rod to rotate, so as to drive the lifting platform to rise and fall.

[0007] By adopting the above technical solution, the rotation of the bidirectional lead screw can drive the movement of two transmission blocks, thereby enabling the transmission blocks to drive the rotation of the transmission rod, causing the transmission rod to drive the lifting platform to move up and down, and then driving the valve to move up and down, saving the physical strength of the operator and improving the test efficiency.

[0008] Preferably, the clamping portion has a driven bevel gear provided at one end of the lead screw a. An active shaft is rotatably provided inside the clamping table. An active bevel gear is provided at one end of the active shaft. The driven bevel gear is directly meshed and connected with the active bevel gear. The other end of the active shaft extends to the outside of the clamping table and is provided with a turning handle.

[0009] By adopting the above technical solution, the rotation of the turning handle can drive the rotation of the active shaft, thereby driving the rotation of the active bevel gear, enabling the active bevel gear to drive the rotation of two driven bevel gears, and causing the two lead screws a to rotate inside the clamping table.

[0010] Preferably, a threaded groove is provided inside the fixture, and the lead screw a passes through the threaded groove and is threadedly connected with the fixture.

[0011] By adopting the above technical solution, the rotation of the lead screw a can drive the fixture to move and displace.

[0012] Preferably, the clamping portion further has a chuck provided at the top of the fixture, and a rubber layer is provided on the side of the chuck.

[0013] By adopting the above technical solution, the friction between the chuck and the valve can be increased, thereby fixing the valve more firmly.

[0014] Preferably, a threaded groove is provided inside the transmission block, and the bidirectional lead screw passes through the threaded groove and is threadedly connected with the transmission block. One end of the bidirectional lead screw extends to the outside of the clamping table and is provided with a turning handle.

[0015] By adopting the above technical solution, the rotation of the turning handle can drive the rotation of the bidirectional lead screw, and the rotation of the bidirectional lead screw can drive the movement and displacement of two transmission blocks.

[0016] Preferably, the lifting portion further has a limiting block provided on the side of the lifting platform. A sliding groove is provided at the top of the clamping table, and the limiting block is embedded in the sliding groove and is slidably connected with the clamping table.

[0017] By adopting the above technical solution, the lifting platform can be limited by the limiting block, enabling the lifting platform to move up and down and displace above the clamping table.

[0018] On the other hand, the present utility model provides a multi-purpose valve test bench, including the clamping assembly of the above-mentioned one aspect. The multi-purpose valve test bench further includes a test bench body:

[0019] The test bench body is arranged at the bottom of the clamping table. A lead screw b is rotatably arranged inside the test bench body. A motor is arranged on the side of the test bench body, and the output end of the motor is connected to the lead screw b. A control console is arranged on the side of the test bench body. A slider is arranged at the bottom of the clamping table, and the slider is threadedly connected to the lead screw b. The slider is slidably connected to the clamping table.

[0020] By adopting the above technical solution, the motor can be controlled by the control console to rotate and drive the lead screw b to rotate, so as to control the sliding displacement of the clamping table on the test bench body.

[0021] Compared with the prior art, the beneficial effect of the present utility model is that the rotation of the bidirectional lead screw drives the two transmission blocks to move, so that the transmission blocks drive the transmission rod to rotate, enabling the transmission rod to drive the lifting platform to move up and down, thereby driving the valve to move up and down, saving the physical strength of the operator and improving the test efficiency. Brief Description of the Drawings

[0022] Figure 1 It is a schematic diagram of the overall structure of this application;

[0023] Figure 2 It is a schematic diagram of the overall sectional structure of this application;

[0024] Figure 3 It is a schematic diagram of the sectional structure of the connection between the clamping table and the clamping part of this application;

[0025] Figure 4 It is a schematic diagram of the sectional structure of the connection between the clamping table and the lifting part of this application;

[0026] Figure 5 It is a schematic diagram of the structure of the lifting part of this application.

[0027] In the figure: 1. Clamping table; 101. Slider; 2. Clamping part; 201. Lead screw a; 202. Driven bevel gear; 203. Driving shaft; 204. Driving bevel gear; 205. Fixture; 206. Chuck; 3. Lifting part; 301. Bidirectional lead screw; 302. Transmission block; 303. Transmission rod; 304. Lifting platform; 305. Limiting block; 4. Test bench body; 401. Lead screw b; 402. Motor; 403. Control console. Detailed Description of the Preferred Embodiments

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0029] Embodiment 1, please refer to Figure 1 、 Figure 2 and Figure 3 , this embodiment provides a technical solution: a clamping assembly, including a clamping table 1, a clamping part 2 and a lifting part 3:

[0030] The clamping part 2 is arranged inside the clamping table 1. Two screw rods a201 are arranged inside the clamping table 1. Two clamps 205 are slidably arranged on the top of the clamping table 1. The two clamps 205 are threadedly connected with the two screw rods a201. The lifting part 3 is arranged inside the clamping table 1. Two transmission blocks 302 are slidably arranged inside the clamping table 1. A transmission rod 303 is rotatably arranged on the top of the two transmission blocks 302. The top of the transmission rod 303 is rotatably connected to a lifting table 304. The rotation of the bidirectional screw rod 301 drives the transmission blocks 302 to drive the transmission rod 303 to rotate, so as to drive the lifting table 304 to lift and lower. The rotation of the bidirectional screw rod 301 can drive the two transmission blocks 302 to move, so that the transmission blocks 302 drive the transmission rod 303 to rotate, and the transmission rod 303 drives the lifting table 304 to move up and down.

[0031] Embodiment 2, please refer to Figure 2 、 Figure 3 and Figure 4 , this embodiment provides a technical solution: a clamping assembly, including a clamping part 2, a screw rod a201 and a clamp 205:

[0032] A driven bevel gear 202 is arranged at one end of the screw rod a201. A driving bevel gear 204 is arranged at one end of the driving shaft 203. The driven bevel gear 202 is directly meshed and connected with the driving bevel gear 204. The other end of the driving shaft 203 extends to the outside of the clamping table 1 and is provided with a turning handle. By turning the turning handle, the driving shaft 203 can be driven to rotate, so as to drive the driving bevel gear 204 to rotate, so that the driving bevel gear 204 drives the two driven bevel gears 202 to rotate, so that the two screw rods a201 rotate inside the clamping table 1. A threaded groove is opened inside the clamp 205. The screw rod a201 passes through the threaded groove and is threadedly connected with the clamp 205. The rotation of the screw rod a201 can drive the clamp 205 to move. A clamping head 206 is arranged on the top of the clamp 205. A rubber layer is arranged on the side of the clamping head 206, which can improve the friction between the clamping head 206 and the valve, so as to fix the valve more firmly. By the rotation of the two screw rods a201, the two clamps 205 are driven to move inwards, so that the clamping head 206 clamps and fixes the valve.

[0033] Embodiment 3, please refer to Figure 2 、 Figure 3 and Figure 4 , this embodiment provides a technical solution: a clamping assembly, including a lifting part 3, a transmission block 302 and a lifting table 304:

[0034] The inside of the transmission block 302 is provided with a threaded groove. The bidirectional lead screw 301 passes through the threaded groove and is threadedly connected to the transmission block 302. One end of the bidirectional lead screw 301 extends to the outside of the clamping table 1 and is provided with a turning handle. By turning the turning handle, the bidirectional lead screw 301 can be driven to rotate, and the rotation of the bidirectional lead screw 301 drives the two transmission blocks 302 to move. A limiting block 305 is arranged on the side surface of the lifting table 304, and a sliding groove is opened at the top of the clamping table 1. The limiting block 305 is embedded in the sliding groove and is slidably connected to the clamping table 1, enabling the lifting table 304 to be limited by the limiting block 305, so that the lifting table 304 can move up and down above the clamping table 1. Therefore, by rotating the bidirectional lead screw 301, the lifting table 304 can be driven to move up and down, enabling the valve located on the lifting table 304 to move between the two chucks 206, saving the physical strength of the operator and improving the test efficiency.

[0035] Example 4, please refer to Figure 1 、 Figure 2 and Figure 3 This embodiment provides a technical solution: a multi-purpose valve test bench, including the clamping assembly of any one of the above, and the multi-purpose valve test bench further includes a test bench body 4:

[0036] The test bench body 4 is arranged at the bottom of the clamping table 1. A lead screw b 401 is rotatably arranged inside the test bench body 4. A motor 402 is arranged on the side surface of the test bench body 4, and the output end of the motor 402 is connected to the lead screw b 401. A control console 403 is arranged on the side surface of the test bench body 4. A slider 101 is arranged at the bottom of the clamping table 1. The slider 101 is threadedly connected to the lead screw b 401, and the slider 101 is slidably connected to the clamping table 1. The rotation of the motor 402 can be controlled by the control console 403 to drive the lead screw b 401 to rotate, thereby controlling the sliding displacement of the clamping table 1 on the test bench body 4.

[0037] Working principle: First, power on the device, then place the valve to be tested on the lifting table 304. By turning the turning handle, the bidirectional lead screw 301 is driven to rotate, and the rotation of the bidirectional lead screw 301 drives the two transmission blocks 302 to move, enabling the lifting table 304 to move up and down above the clamping table 1, so that the valve located on the lifting table 304 can move between the two chucks 206. Then, by turning the turning handle, the driving shaft 203 is driven to rotate, thereby driving the driving bevel gear 204 to rotate, so that the driving bevel gear 204 drives the two driven bevel gears 202 to rotate, enabling the two lead screws a 201 to rotate inside the clamping table 1 to drive the fixture 205 to move, so that the chucks 206 clamp and fix the valve, saving the physical strength of the operator and improving the test efficiency. The rotation of the motor 402 is controlled by the control console 403 to drive the lead screw b 401 to rotate, thereby controlling the sliding displacement of the clamping table 1 on the test bench body 4.

[0038] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A clamping assembly, characterized in that, Including: A clamping table; A clamping part, which is arranged inside the clamping table. The clamping part has two lead screws a rotatably arranged inside the clamping table. Two clamps are slidably arranged on the top of the clamping table, and the two clamps are threadedly connected to the two lead screws a; A lifting part, which is arranged inside the clamping table. The lifting part has two transmission blocks rotatably arranged inside the clamping table. A bidirectional lead screw is horizontally rotatably arranged inside the lifting part. Transmission rods are rotatably arranged on the tops of the two transmission blocks. The top of the transmission rod is rotatably connected to a lifting table. The rotation of the bidirectional lead screw drives the transmission blocks to drive the transmission rod to rotate, so as to drive the lifting table to lift and lower.

2. The clamping assembly according to claim 1, wherein: The clamping part has a driven bevel gear arranged at one end of the lead screw a. A driving shaft is rotatably arranged inside the clamping table. A driving bevel gear is arranged at one end of the driving shaft. The driven bevel gear is directly meshed and connected with the driving bevel gear. The other end of the driving shaft extends to the outside of the clamping table and is provided with a turning handle.

3. The clamping assembly according to claim 1, characterized in that: A threaded groove is formed inside the clamp, and the lead screw a passes through the threaded groove and is threadedly connected to the clamp.

4. The clamping assembly according to claim 3, characterized in that: The clamping part also has a chuck arranged on the top of the clamp, and a rubber layer is arranged on the side of the chuck.

5. A clamping assembly according to claim 1, wherein: A threaded groove is formed inside the transmission block, and the bidirectional lead screw passes through the threaded groove and is threadedly connected to the transmission block. One end of the bidirectional lead screw extends to the outside of the clamping table and is provided with a turning handle.

6. The clamping assembly according to claim 1, characterized in that: The lifting part also has a limiting block arranged on the side of the lifting table. A sliding groove is formed on the top of the clamping table, and the limiting block is embedded in the sliding groove and is slidably connected to the clamping table.

7. A multi-purpose valve test bench, characterized in that: Including the clamping assembly according to any one of claims 1-6, the multi-purpose valve test bench further includes: A test bench body, which is arranged at the bottom of the clamping table. A lead screw b is rotatably arranged inside the test bench body. A motor is arranged on the side of the test bench body, and the output end of the motor is connected to the lead screw b. A control console is arranged on the side of the test bench body. A slider is arranged at the bottom of the clamping table, and the slider is threadedly connected to the lead screw b. The slider is slidably connected to the clamping table.