Valve sealing performance detection device

Abstract

The utility model provides a valve sealing performance detection device, which comprises a workbench, a first support plate and a second support plate, the first support plate and the second support plate are fixedly arranged on the top surface of the workbench at intervals, a first sealing block is fixedly arranged on one side, close to the second support plate, of the first support plate, and a second sealing block corresponding to the first sealing block is arranged on the second support plate. A power part used for driving the second sealing block to move in the direction close to the first sealing block is fixedly arranged on the side, away from the first supporting plate, of the second supporting plate, a bearing assembly used for bearing a valve is arranged at the position, between the first sealing block and the second sealing block, of the top of the workbench, and an exhaust hole is formed in the first sealing block. An inflation assembly used for providing high-pressure gas for the exhaust holes is fixedly arranged on the workbench. According to the utility model, the first sealing block, the second sealing block, the bearing assembly and the power part are arranged, so that the valve sealing device can adapt to valves with different diameters, and interfaces at two sides of the valve can be quickly sealed, thereby facilitating a worker to test the valve, and improving the working efficiency.

Description

Technical Field

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

[0002] The sealing performance of a valve refers to the ability of each sealing part of the valve to prevent leakage of the medium. It is the most important technical performance indicator of the valve. In the process of testing the sealing performance of the valve, the air pressure difference on both sides of the valve is generally used to judge the sealing performance.

[0003] However, the existing valve fixing method is generally through flange connection, which is inconvenient to disassemble and assemble. In addition, since there are many types of valves and the valve diameters are different, when the same equipment is pressure tested, the valve interface needs to be constantly replaced for valves of different models, which affects work efficiency. Utility Model Content

[0004] The main purpose of the utility model is to provide a valve sealing detection device to solve the problem in the prior art that valve interfaces need to be constantly replaced for valves of different models, which affects work efficiency.

[0005] In order to solve the above problems, the utility model adopts the following technical scheme: a valve sealing detection device, characterized in that it includes a workbench, a first support plate and a second support plate fixedly arranged on the top surface of the workbench at an interval, a first sealing block is fixedly arranged on the side of the first support plate close to the second support plate, a second sealing block is fixedly arranged on the second support plate corresponding to the first sealing block, a power part for driving the second sealing block to move toward the first sealing block is fixedly arranged on the side of the second support plate away from the first support plate, a bearing component for receiving the valve is provided on the top of the workbench between the first sealing block and the second sealing block, an exhaust hole is opened on the first sealing block, and an inflation component for providing high-pressure gas to the exhaust hole is fixedly arranged on the workbench.

[0006] Furthermore, the first sealing block and the second sealing block have the same structure and are both conical, and the tips of the conical first sealing block and the second sealing block are arranged opposite to each other.

[0007] Furthermore, a plurality of abutment rings are provided on one side of the tip of the first sealing block, and the plurality of abutment rings are arranged layer by layer from the tip of the first sealing block to the other end of the first sealing block, and the diameters of the abutment rings are gradually increased.

[0008] Furthermore, the bearing assembly includes a receiving plate, two bearing frames arranged on the top surface of the receiving plate, and a lifting mechanism arranged on the bottom of the receiving plate for driving the receiving plate to rise and fall.

[0009] Furthermore, the lifting mechanism includes

[0010] Two slide rails are fixedly arranged on the workbench at intervals;

[0011] A first shaft rod, rotatably connected to one end of the two slide rails in the length direction, and a first connecting block is rotatably connected to the first shaft rod;

[0012] A second shaft rod is slidably connected in the two slide rails, and a second connecting block is rotatably connected to the second shaft rod;

[0013] A driving assembly, comprising a screw rod and a first motor, one end of the screw rod sequentially passing through a first connecting block and a second connecting block and then fixedly connected to an output end of the first motor, and the screw rod is screwed to the second connecting block;

[0014] Two fork frame units are rotatably connected to the axial ends of the first shaft rod and the second shaft rod respectively, and each of the fork frame units includes a first support rod and a second support rod;

[0015] The bottom end of the first support rod is rotatably connected to the first shaft rod, the top end of the first support rod is slidably connected to the bottom of the receiving plate, the bottom end of the second support rod is rotatably connected to the second shaft rod, the top end of the second support rod is rotatably connected to the bottom of the receiving plate, and the first support rod is pivotally matched with the middle part of the second support rod.

[0016] Furthermore, the two bearing racks are slidably connected to the receiving plate, and the sliding directions of the two bearing racks are parallel to the moving direction of the second sealing block.

[0017] Furthermore, the workbench is also provided with a spray assembly for spraying water on the surface of the valve body.

[0018] Furthermore, the spray assembly comprises a water pipe mounted on the top of the first support plate (2) and the second support plate (3), and a spray head connected to and arranged below the water pipe. A water pump and a water tank are fixedly arranged on the workbench. The input end of the water pump is connected to the water tank through a pipeline, and the other end of the water pump is connected to the water pipe.

[0019] Furthermore, the inflation component includes an air pump and an air pipe, one end of the air pipe is connected to the air pump, and the other end of the air pipe passes through the first support plate and is connected to the exhaust hole.

[0020] Furthermore, the power unit is a telescopic cylinder, and an output end of the telescopic cylinder passes through the second supporting plate and is fixedly connected to the second sealing block.

[0021] The beneficial effects of the utility model are:

[0022] 1. By setting the first sealing block, the second sealing block, the bearing assembly and the power unit, it can adapt to valves of different diameters and quickly seal the interfaces on both sides of the valve, thereby facilitating the staff to test the valve and improving work efficiency;

[0023] 2. By providing multiple layers of abutment rings with increasing diameters, the sealing performance of the first sealing block and the second sealing block on the valve can be further increased while adapting to valves of different models;

[0024] 3. By setting up the lifting components, it is convenient to adjust the height of the valve, and further facilitate the staff to quickly connect the interfaces on both sides of the valve;

[0025] 4. By setting up the spray assembly, the staff can quickly locate the leakage point of the valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0027] Figure 1 It is a three-dimensional diagram of the valve sealing detection device of the utility model;

[0028] Figure 2 It is a top view of the valve sealing detection device of the utility model;

[0029] Figure 3 for Figure 2 AA view.

[0030] Description of Reference Numerals

[0031] 1. Workbench; 2. First support plate; 3. Second support plate; 4. First sealing block; 41. Exhaust hole; 42. Abutment ring; 5. Second sealing block; 6. Power unit; 7. Bearing assembly; 71. Receiver plate; 711. Slide groove; 72. Bearing frame; 721. Slider; 73. Lifting mechanism; 731. Slide rail; 732. First shaft rod; 733. Second shaft rod; 734. Driving assembly; 7341. Screw rod; 7342. First motor; 735. Fork frame unit; 7351. First support rod; 7352. Second support rod; 736. First connecting block; 737. Second connecting block; 8. Inflatable assembly; 81. Air pump; 82. Air pipe; 9. Spray assembly; 91. Water pipe; 92. Spray head; 93. Water pump; 94. Water tank; 95. Pipeline. DETAILED DESCRIPTION

[0032] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0033] See also Figures 1 to 3 As shown, a valve sealing detection device includes a workbench 1, a first support plate 2, a second support plate 3, a first sealing block 4, a second sealing block 5, a power unit 6, a bearing assembly 7 and an inflatable assembly 8. The first support plate 2 and the second support plate 3 are arranged on the top surface of the workbench 1 at intervals and are respectively located on two opposite sides of the workbench 1. The first sealing block 4 is fixed on the side of the first support plate 2 close to the second support plate 3, and is used to block the interface on one side of the valve. The second sealing block 5 is arranged on the side of the second support plate 3 close to the first support plate 2 in correspondence with the first sealing block 4, and is used to block the interface on the other side of the valve. The inflatable assembly 8 is fixed on the workbench 1, and an exhaust hole 41 is opened on the first sealing block 4. The inflatable assembly 8 is connected with the exhaust hole 41 to provide high-pressure gas to the inside of the valve.

[0034] During implementation, the first sealing block 4 and the second sealing block 5 block the interfaces on both sides of the valve, and then the inflation component 8 is started, and the high-pressure air in the inflation component 8 enters the interior of the valve along the exhaust hole 41 on the first sealing block 4 to test the sealing of the valve. In this embodiment, the inflation component 8 includes an air pump 81 and an air pipe 82, one end of the air pipe 82 is connected to the air pump 81, and the other end of the air pipe 82 passes through the first support plate 2 and is connected to the exhaust hole 41.

[0035] In this embodiment, the first sealing block 4 and the second sealing block 5 have the same structure and are both conical. The tips of the conical first sealing block 4 and the second sealing block 5 are arranged relative to each other to adapt to valves of different models and different interface diameters. Preferably, a multi-layer abutment ring 42 is provided on one side of the tip of the first sealing block 4. The multi-layer abutment ring 42 is arranged layer by layer from the tip of the first sealing block 4 to the other end of the first sealing block 4, and the diameter of the abutment ring 42 increases gradually to adapt to valves of different models and increase the sealing performance of the first sealing block 4 and the second sealing block 5 to the valve. During implementation, by setting the multi-layer abutment ring 42, when valves of different models and different interface diameters abut against the first sealing block 4 and the second sealing block 5, the interface of the valve abuts against the abutment ring 42 of the corresponding diameter.

[0036] The power unit 6 is arranged on the side of the second support plate 3 away from the first support plate 2, and is used to drive the second sealing block 5 to move toward the first sealing block 4 to seal the interfaces on both sides of the valve. In this embodiment, the power unit 6 is a telescopic cylinder, and the output end of the telescopic cylinder passes through the second support plate 3 and is fixedly connected to the second sealing block 5. During implementation, since the second sealing block 5 and the first sealing block 4 are arranged relative to each other, the second sealing block 5 is pushed by the power unit 6 to seal the interfaces on both sides of the valve arranged between the first sealing block 4 and the second sealing block 5.

[0037] The bearing assembly 7 is fixedly mounted on the top of the workbench 1 and is located between the first sealing block 4 and the second sealing block 5, and is used to receive the valve. The bearing assembly 7 includes a receiving plate 71, two bearing racks 72 arranged on the top surface of the receiving plate 71, and a lifting mechanism 73 arranged at the bottom of the receiving plate 71 for driving the receiving plate 71 to rise and fall. In this embodiment, the upper parts of the two bearing racks 72 are V-shaped, and the V-shaped bearing racks 72 can adapt to valves of different models. The bottoms of the two bearing racks 72 are slidably connected to the receiving plate 71, and the sliding directions of the two bearing racks 72 are parallel to the moving direction of the second sealing block 5. Preferably, a slide groove 711 is provided on the top surface of the receiving plate 71, and a slider 721 adapted to the slide groove 711 is provided at the bottom end of the bearing rack 72, and the slider 721 is slidably connected in the slide groove 711.

[0038] During implementation, the staff can manually adjust the distance between the two carriers 72 to accommodate valves of different lengths, and then start the lifting mechanism 73 to lift or lower the valve to an appropriate height to accommodate valves with different interface diameters, so that the central axis of the valve interface corresponds to the central axis of the first sealing block 4 and the second sealing block 5, thereby facilitating the first sealing block 4 and the second sealing block 5 to clamp the valve.

[0039] In this embodiment, the lifting mechanism 73 includes two slide rails 731, a first shaft rod 732, a second shaft rod 733, a driving assembly 734 and two fork frame units 735. The two slide rails 731 are fixedly arranged on the workbench 1 at intervals. The first shaft rod 732 is located between the slide rails 731 on both sides. The two ends of the first shaft rod 732 are rotatably connected to one end of the length direction of the two slide rails 731. The first shaft rod 732 is rotatably connected to a first connecting block 736; the two ends of the second shaft rod 733 are slidably connected to the two slide rails 731, and the second shaft rod 733 is rotatably connected to a second connecting block 737. The driving assembly 734 is used to drive the second The shaft 733 slides along the length direction of the slide rail 731, and the driving assembly 734 includes a screw rod 7341 and a first motor 7342. One end of the screw rod 7341 passes through the first connecting block 736 and the second connecting block 737 in sequence and is fixedly connected to the output end of the first motor 7342, and the screw rod 7341 is screwed to the second connecting block 737. During implementation, the first motor 7342 is started, the first motor 7342 drives the screw rod 7341 to rotate, and the screw rod 7341 drives the second connecting block 737 to move along the axial direction of the screw rod 7341, thereby driving the second shaft 733 to move in a direction close to or away from the first shaft 732.

[0040] The two fork frame units 735 are rotatably connected to the axial ends of the first shaft rod 732 and the second shaft rod 733 respectively, and each fork frame unit 735 includes a first support rod 7351 and a second support rod 7352. The bottom end of the first support rod 7351 is rotatably connected to the first shaft rod 732, the top end of the first support rod 7351 is slidably connected to the bottom of the receiving plate 71, the bottom end of the second support rod 7352 is rotatably connected to the second shaft rod 733, the top end of the second support rod 7352 is rotatably connected to the bottom of the receiving plate 71, and the first support rod 7351 is pivotally matched with the middle part of the second support rod 7352, that is, the first support rod 7351 and the second support rod 7352 are arranged in an X-shape.

[0041] During implementation, the first motor 7342 drives the screw rod 7341 to rotate forward or reverse, and the screw rod 7341 drives the second shaft rod 733 to move through the second connecting block 737. At this time, the bottom end of the second shaft rod 733 of the two fork frame units 735 moves toward or away from the bottom end of the first shaft rod 732, and the top end of the first shaft rod 732 moves toward or away from the top end of the second shaft rod 733. Through the pivotal cooperation between the first support rod 7351 and the middle part of the second support rod 7352, the top ends of the two fork frame units 735 can be raised or lowered, thereby adjusting the height of the valve placed on the receiving plate 71 to facilitate the first sealing block 4 and the second sealing block 5 to connect valves with different interface diameters.

[0042] Preferably, the workbench 1 is also provided with a spray assembly 9 for spraying water on the surface of the valve body. The spray assembly 9 includes a water pipe 91 mounted on the top of the two support plates, and a spray head 92 connected to the bottom of the water pipe 91. The output end of the spray head 92 is directly opposite to the top surface of the receiving plate 71 to spray water on the outer surface of the valve. A water pump 93 and a water tank 94 are fixed on the workbench 1. The input end of the water pump 93 is connected to the water tank 94 through a pipeline 95, and the other end of the water pump 93 is connected to the water pipe 91. During implementation, the water in the water tank 94 is transported to the water pipe 91 through the pipeline 95 and the water pump 93, and the water is sprayed to the valve through the spray head 92, so that the staff can quickly locate the leak. It should be noted that when the inflation assembly 8 inflates the inside of the valve, the gas pressure inside the valve will be maintained. Only when the gas pressure inside the valve drops, that is, when a gas leak is found inside the valve, the spray assembly 9 will be activated to spray the outer surface of the valve.

[0043] When the utility model is implemented, the staff first adjusts the distance between the two carriers 72 to accommodate valves of different lengths, and then places the valve on the two carriers 72, and then starts the lifting mechanism 73. The first motor 7342 of the lifting mechanism 73 drives the screw rod 7341 to rotate, and drives the second shaft rod 733 to move along the length direction of the slide rail 731. Through the pivotal cooperation between the first support rod 7351 and the middle part of the second support rod 7352, the top ends of the two fork frame units 735 can raise or lower the height of the receiving plate 71, thereby adjusting the height of the valve. At this time, the interface ends on both sides of the valve are respectively facing the first sealing block 4 and the second sealing block 5.

[0044] The staff starts the telescopic cylinder, which drives the second sealing block 5 to move closer to the first sealing block 4, so that the first sealing block 4 and the second sealing block 5 seal the interfaces on both sides of the valve, and then starts the inflation component 8 to fill the valve with high-pressure gas to verify the sealing of the valve. When the gas pressure inside the valve drops, that is, when gas leakage is found inside the valve, the spray component 9 is started to spray the outer surface of the valve, so that the staff can quickly locate the leakage point.

[0045] The above description is only a preferred embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Claims

1. A valve sealing detection device, characterized in that: The invention comprises a workbench (1), a first support plate (2) and a second support plate (3) fixedly arranged at intervals on the top surface of the workbench (1), a first sealing block (4) fixedly arranged on a side of the first support plate (2) close to the second support plate (3), a second sealing block (5) corresponding to the first sealing block (4) is provided on the second support plate (3), a power unit (6) for driving the second sealing block (5) to move towards the first sealing block (4) is fixedly arranged on a side of the second support plate (3) away from the first support plate (2), a bearing assembly (7) for receiving a valve is provided at the top of the workbench (1) between the first sealing block (4) and the second sealing block (5), an exhaust hole (41) is provided on the first sealing block (4), and an inflating assembly (8) for supplying high-pressure gas to the exhaust hole (41) is fixedly arranged on the workbench (1).

2. The valve sealing detection device according to claim 1, characterized in that: The first sealing block (4) and the second sealing block (5) have the same structure and are both conical, with the tips of the conical first sealing block (4) and the second sealing block (5) being arranged opposite to each other.

3. The valve sealing detection device according to claim 2, characterized in that: A plurality of abutment rings (42) are provided on one side of the tip of the first sealing block (4), the plurality of abutment rings (42) being arranged layer by layer from the tip of the first sealing block (4) to the other end of the first sealing block (4), and the diameters of the abutment rings (42) are gradually increased.

4. The valve sealing detection device according to claim 1, characterized in that: The bearing assembly (7) comprises a receiving plate (71), two bearing frames (72) arranged on the top surface of the receiving plate (71), and a lifting mechanism (73) arranged on the bottom of the receiving plate (71) and used for driving the receiving plate (71) to rise and fall.

5. The valve sealing detection device according to claim 4, characterized in that: The lifting mechanism (73) comprises Two slide rails (731) are fixedly arranged on the workbench (1) at intervals; A first shaft rod (732) is rotatably connected to one end of the two slide rails (731) in the length direction, and a first connecting block (736) is rotatably connected to the first shaft rod (732); A second shaft rod (733) is slidably connected in the two slide rails (731); a second connecting block (737) is rotatably connected to the second shaft rod (733); A driving assembly (734) comprising a screw rod (7341) and a first motor (7342), one end of the screw rod (7341) sequentially passing through a first connecting block (736) and a second connecting block (737) and then fixedly connected to an output end of the first motor (7342), and the screw rod (7341) and the second connecting block (737) are screwed together; Two fork frame units (735) are rotatably connected to the axial ends of the first shaft (732) and the second shaft (733), respectively, and each of the fork frame units (735) comprises a first support rod (7351) and a second support rod (7352); The bottom end of the first support rod (7351) is rotatably connected to the first shaft rod (732), the top end of the first support rod (7351) is slidably connected to the bottom of the receiving plate (71), the bottom end of the second support rod (7352) is rotatably connected to the second shaft rod (733), the top end of the second support rod (7352) is rotatably connected to the bottom of the receiving plate (71), and the first support rod (7351) and the middle part of the second support rod (7352) are pivotally matched.

6. The valve sealing detection device according to claim 4, characterized in that: The two bearing frames (72) are slidably connected to the receiving plate (71), and the sliding direction of the two bearing frames (72) is parallel to the moving direction of the second sealing block (5).

7. The valve sealing detection device according to claim 1, characterized in that: The workbench (1) is also provided with a spray assembly (9) for spraying water on the surface of the valve body.

8. The valve sealing detection device according to claim 7, characterized in that: The spray assembly (9) comprises a water pipe (91) mounted on the top of the first support plate (2) and the second support plate (3), and a spray head (92) arranged below the water pipe (91). A water pump (93) and a water storage tank (94) are fixedly provided on the workbench (1). The input end of the water pump (93) is connected to the water storage tank (94) through a pipeline (95), and the other end of the water pump (93) is connected to the water pipe (91).

9. The valve sealing detection device according to claim 1, characterized in that: The inflation assembly (8) comprises an air pump (81) and an air pipe (82), one end of the air pipe (82) being connected to the air pump (81), and the other end of the air pipe (82) passing through the first support plate (2) and being connected to the exhaust hole (41).

10. The valve sealing detection device according to claim 1, characterized in that: The power unit (6) is a telescopic cylinder, and the output end of the telescopic cylinder passes through the second support plate (3) and is fixedly connected to the second sealing block (5).

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