Valve pressure testing device

Abstract

The utility model provides a valve pressure testing device, which relates to the technical field of pressure testing and comprises a working plate, a placing table is fixedly connected to the top of the working plate and close to the center, a control panel is fixedly connected to the surface of the placing table, and annular plates are arranged on the top of the working plate and close to the two ends. Sliding grooves are formed in the top of the working plate and located in the centers of the two sides of the containing table, and a two-way screw rod penetrates through the center of the interior of the working plate and is rotationally connected with the center of the interior of the working plate through a bearing. According to the utility model, a valve to be detected is placed on the placing table, then the control panel controls the second motor to drive the one-way screw rod to rotate, and the one-way screw rod rotates to drive the lifting block to lift through the convex block, so that the effects of adjusting the height of the conical head and aligning the conical head with the two ends of the valve can be achieved; therefore, the effect of aligning the conical head without lifting the valve by a detector can be achieved, and the effects of saving time and labor can be further achieved.

Description

Technical Field

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

[0002] Valves are control components in pipeline fluid delivery systems. They are used to change the cross-section of the passage and the direction of medium flow. They have functions such as diversion, cut-off, throttling, check, diversion or overflow pressure relief. After the valve is produced, a pressure test device is usually required to perform pressure testing on the valve.

[0003] Existing, such as Chinese patent publication number: CN111426465A The present invention proposes a valve pressure testing device with simple structure, low production cost, easy installation, and adaptability to valves of various sizes in the widest range, including a base, on which a first clamping workpiece and a second clamping workpiece for clamping an external valve to be tested are movably arranged, the first clamping workpiece and the second clamping workpiece both include a conical portion that can be inserted into the external valve to be tested, and a first fluid channel for fluid to pass through is opened in the conical portion.

[0004] Although the above patent can adapt to pipes of different calibers by inserting the external valve to be tested through the conical part, the device in the above patent needs to manually lift the valve to between the conical parts and align it with it during testing, and since the valve is usually heavy, the lifting process is time-consuming and laborious. Therefore, a valve pressure testing device is needed to solve the above problem. Utility Model Content

[0005] The utility model mainly provides a valve pressure testing device which can conveniently adjust the height of a conical part and align the conical part with two ends of a valve.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a valve pressure testing device, comprising: a working plate, a placing table is fixedly connected to the top of the working plate and near the center, a control panel is fixedly connected to the surface of the placing table, ring plates are provided on the top of the working plate and near both ends, slide grooves are provided on the top of the working plate and at the center of both sides of the placing table, a bidirectional screw is passed through the inner center of the working plate and is rotatably connected with a bearing, sliders are sleeved and threadedly connected on the surfaces of both ends of the bidirectional screw and located inside the slide groove, the top of the slider is fixedly connected to the bottom of the ring plate, and the inside of the ring plate is slidably connected to the first A lifting block and a second lifting block, wherein a second circular groove and a first circular groove are respectively provided on one side wall of the first lifting block and the second lifting block, a conical head is fixedly connected to the second circular groove and the first circular groove on one side wall of the first lifting block and the second lifting block, a third circular groove is provided on the inner wall of the second circular groove, a pressure sensor is installed inside the third circular groove, a pressure gauge is installed on the surface of the first lifting block, grooves are provided on the inner walls on both sides of the ring plate, protrusions are embedded and slidably connected inside the grooves, the protrusions are fixedly connected to the first lifting block and the second lifting block respectively, and a one-way screw is passed through and threadedly connected at the center of the protrusion on one side.

[0007] Preferably, support legs are fixedly connected to the bottom of the work board and near the four corners, and anti-skid pads are fixedly connected to the bottom of the support legs. Through the above arrangement, the support legs can support the bottom of the work board, and the anti-skid pads at the bottom of the support legs can have an anti-skid effect.

[0008] Preferably, a first motor is fixedly connected to one end of the placement table near the center, the output end of the first motor is fixedly connected to one end of the bidirectional screw, the top of the unidirectional screw passes through the top inner wall of the groove and is rotatably connected to its bearing, the bottom of the unidirectional screw is rotatably connected to the bottom inner wall bearing of the groove, the top of the ring plate is fixedly connected to the second motor, the output end of the second motor is fixedly connected to the top of the unidirectional screw, through the above arrangement, the first motor and the second motor can respectively drive the bidirectional screw and the unidirectional screw to rotate.

[0009] Preferably, an air inlet pipe is fixedly connected to one side wall of the second lifting block near the center, and the air inlet pipe is interconnected with the first circular groove. Through the above arrangement, the interior of the first circular groove can be filled with air, thereby achieving an effect of pressure detection on the connected valve.

[0010] Preferably, the center of the protrusion on the other side passes through and is slidably connected to a limiting rod, and both ends of the limiting rod are fixedly connected to the top and bottom inner walls of the groove. Through the above arrangement, the protrusion can slide on the surface of the limiting rod, thereby limiting one end of the first lifting block and the second lifting block.

[0011] Preferably, limiting grooves are provided at the top of the working plate and on both sides of the slide groove, and limiting blocks are embedded and slidably connected inside the limiting grooves. The top of the limiting block is fixedly connected to the bottom of the ring plate. Through the above arrangement, the two sides of the bottom of the ring plate can be limited.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, the valve to be inspected is placed on the placement table, and then the control panel is used to control the second motor to drive the one-way screw to rotate. The rotation of the one-way screw can drive the lifting block to rise and fall through the convex block, so as to adjust the height of the cone head and align it with both ends of the valve, so that the inspection personnel do not need to lift the valve to align the cone head, thereby saving time and effort.

[0014] 2. In the utility model, a pressure sensor is provided inside the third circular groove, and a pressure gauge is installed on the surface of the first lifting block, so that the pressure sensor can sense the pressure inside the circular groove and transmit the numerical value to the control panel. At the same time, the pressure gauge can also display the pressure inside the circular groove, thereby achieving the effect of comparing the pressures after detection at two places, thereby improving the detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a three-dimensional diagram of the overall structure of a valve pressure test device;

[0016] Figure 2 The utility model provides a vertical cross-sectional view of the overall structure of a valve pressure test device;

[0017] Figure 3 The utility model provides a cross-sectional view of the overall structure of a valve pressure testing device.

[0018] Legend: 1. Work plate; 2. Support leg; 3. Anti-slip mat; 4. Placement table; 5. Control panel; 6. Ring plate; 7. Slide groove; 8. Slider; 9. Bidirectional screw; 10. First motor; 11. First lifting block; 12. Second lifting block; 13. First circular groove; 14. Second circular groove; 15. Conical head; 16. Inlet pipe; 17. Third circular groove; 18. Pressure sensor; 19. Pressure gauge; 20. Groove; 21. Bump; 22. One-way screw; 23. Limit rod; 24. Second motor; 25. Limit groove; 26. Limit block. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0021] See also Figure 1-Figure 3The utility model provides a technical solution: a valve pressure testing device, comprising: a working plate 1, a placing platform 4 is fixedly connected to the top and near the center of the working plate 1, a control panel 5 is fixedly connected to the surface of the placing platform 4, a ring plate 6 is provided on the top and near both ends of the working plate 1, a slide groove 7 is provided on the top of the working plate 1 and at the center of both sides of the placing platform 4, a bidirectional screw 9 is passed through the inner center of the working plate 1 and is rotatably connected with a bearing, and a slider 8 is sleeved and threadedly connected on the two end surfaces of the bidirectional screw 9 and located inside the slide groove 7, the top of the slider 8 is fixedly connected to the bottom of the ring plate 6, and the inside of the ring plate 6 is respectively slidably connected with a first lifting block 11 and a second lifting block 12, and a side wall of the first lifting block 11 and the second lifting block 12 is respectively provided with a second circular groove 14 and a first circular groove 13, and a conical head 15 is fixedly connected to the first lifting block 11 and the second lifting block 12 at one side wall and located at the second circular groove 14 and the first circular groove 13, and the inner wall of the second circular groove 14 is provided with a third circular groove 17, and the third circular groove 18 is provided with a third circular groove 19. A pressure sensor 18 is installed inside the groove 17, and a pressure gauge 19 is installed on the surface of the first lifting block 11. Grooves 20 are provided on the inner walls of both sides of the ring plate 6, and protrusions 21 are embedded and slidably connected inside the grooves 20. The protrusions 21 are fixedly connected to the first lifting block 11 and the second lifting block 12 respectively, and a one-way screw 22 is penetrated and threadedly connected at the center of the protrusion 21 on one side. Through the above arrangement, the valve to be tested can be placed on the placement table 4. At this time, the second motor 24 is controlled by the control panel 5 to drive the one-way screw 22 to rotate. The rotation of the one-way screw 22 can drive the lifting block to rise and fall through the protrusion 21, which can adjust the height of the conical head 15 and align it with the two ends of the valve. At this time, the slider 8 can be driven to move by the rotation of the bidirectional screw 9, and the movement of the slider 8 can move the ring plate 6. At this time, the conical head 15 can resist the two ends of the valve and make it sealed. At this time, the air intake inside the valve can be detected. At this time, the pressure gauge 19 and the pressure sensor 18 can detect the pressure value.

[0022] like Figure 1 As shown, support legs 2 are fixedly connected to the bottom of the work board 1 and near the four corners, and anti-skid pads 3 are fixedly connected to the bottom of the support legs 2. Through the above arrangement, the support legs 2 can support the bottom of the work board 1, and the anti-skid pads 3 at the bottom of the support legs 2 can have an anti-skid effect.

[0023] like Figure 1 and Figure 2As shown, a first motor 10 is fixedly connected to one end of the placement table 4 and near the center, the output end of the first motor 10 is fixedly connected to one end of the bidirectional screw 9, the top of the one-way screw 22 passes through the top inner wall of the groove 20 and is rotatably connected to its bearing, the bottom of the one-way screw 22 is rotatably connected to the bottom inner wall bearing of the groove 20, and the top of the ring plate 6 is fixedly connected to the second motor 24, and the output end of the second motor 24 is fixedly connected to the top of the one-way screw 22. Through the above arrangement, the first motor 10 and the second motor 24 can respectively drive the bidirectional screw 9 and the one-way screw 22 to rotate.

[0024] like Figure 2 As shown, an air inlet pipe 16 is fixedly connected to one side wall of the second lifting block 12 near the center, and the air inlet pipe 16 is interconnected with the first circular groove 13. Through the above arrangement, the interior of the first circular groove 13 can be filled with air, thereby achieving an effect of pressure detection on the connected valve.

[0025] like Figure 3 As shown, the center of the protrusion 21 on the other side passes through and is slidably connected to the limiting rod 23, and both ends of the limiting rod 23 are fixedly connected to the top and bottom inner walls of the groove 20. Through the above arrangement, the protrusion 21 can slide on the surface of the limiting rod 23, thereby limiting one end of the first lifting block 11 and the second lifting block 12.

[0026] like Figure 3 As shown, limiting grooves 25 are provided at the top of the working plate 1 and on both sides of the slide groove 7, and limiting blocks 26 are embedded and slidably connected inside the limiting grooves 25. The top of the limiting block 26 is fixedly connected to the bottom of the ring plate 6. Through the above arrangement, the two sides of the bottom of the ring plate 6 can be limited.

[0027] The use method and working principle of this device are as follows: the valve to be tested can be placed on the placement table 4, and then the control panel 5 is used to control the second motor 24 to drive the one-way screw 22 to rotate. The rotation of the one-way screw 22 can drive the lifting block to rise and fall through the protrusion 21, which can adjust the height of the conical head 15 and align it with the two ends of the valve. At this time, the control panel 5 controls the first motor 10 to drive the two-way screw 9 to rotate to drive the slider 8 to move, and the movement of the slider 8 can move the ring plate 6. At this time, the conical head 15 can resist the two ends of the valve and make it sealed. At this time, the air intake inside the valve can be detected, and the pressure gauge 19 and the pressure sensor 18 can detect the pressure value.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A valve pressure testing device, characterized in that: include: A working plate (1), wherein a placing platform (4) is fixedly connected to the top and near the center of the working plate (1), a control panel (5) is fixedly connected to the surface of the placing platform (4), a ring plate (6) is provided at the top and near both ends of the working plate (1), a slide groove (7) is provided at the top of the working plate (1) and at the center of both sides of the placing platform (4), a bidirectional screw rod (9) passes through the inner center of the working plate (1) and is rotatably connected to the bearing, and sliders (8) are sleeved and threadedly connected on the surfaces of both ends of the bidirectional screw rod (9) and located inside the slide groove (7), the top of the slider (8) is fixedly connected to the bottom of the ring plate (6), and the inside of the ring plate (6) is slidably connected to a first lifting block (11) and a second lifting block (12), and one side of the first lifting block (11) and the second lifting block (12) The wall is respectively provided with a second circular groove (14) and a first circular groove (13); a conical head (15) is fixedly connected to one side wall of the first lifting block (11) and the second lifting block (12) and is located at the second circular groove (14) and the first circular groove (13); a third circular groove (17) is provided on the inner wall of the second circular groove (14); a pressure sensor (18) is installed inside the third circular groove (17); a pressure gauge (19) is installed on the surface of the first lifting block (11); grooves (20) are provided on the inner walls of both sides of the ring plate (6); protrusions (21) are embedded and slidably connected inside the grooves (20); the protrusions (21) are respectively fixedly connected to the first lifting block (11) and the second lifting block (12); a one-way screw (22) is passed through and threadedly connected to the center of the protrusion (21) on one side.

2. A valve pressure testing device according to claim 1, characterized in that: Support legs (2) are fixedly connected at the bottom of the working board (1) and near the four corners, and anti-slip pads (3) are fixedly connected at the bottom of the support legs (2).

3. A valve pressure testing device according to claim 1, characterized in that: A first motor (10) is fixedly connected to one end of the placement table (4) and near the center, and the output end of the first motor (10) is fixedly connected to one end of the bidirectional screw (9). The top of the one-way screw (22) passes through the top inner wall of the groove (20) and is rotatably connected to its bearing. The bottom of the one-way screw (22) is rotatably connected to the bottom inner wall bearing of the groove (20). The top of the ring plate (6) is fixedly connected to a second motor (24), and the output end of the second motor (24) is fixedly connected to the top of the one-way screw (22).

4. A valve pressure testing device according to claim 1, characterized in that: An air intake pipe (16) is fixedly connected to a side wall of the second lifting block (12) near the center, and the air intake pipe (16) is in communication with the first circular groove (13).

5. A valve pressure testing device according to claim 1, characterized in that: A limiting rod (23) is passed through and slidably connected to the center of the protrusion (21) on the other side, and both ends of the limiting rod (23) are fixedly connected to the top and bottom inner walls of the groove (20).

6. A valve pressure testing device according to claim 1, characterized in that: Limiting grooves (25) are provided at the top of the working plate (1) and on both sides of the slide groove (7), and limiting blocks (26) are embedded and slidably connected inside the limiting grooves (25), and the top of the limiting block (26) is fixedly connected to the bottom of the ring plate (6).

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