Safety valve testing device

Abstract

The utility model provides a safety valve testing device which comprises a testing table, supporting legs are arranged at the bottom of the testing table, a water collecting tank is arranged on the testing table in a penetrating mode, a mounting shaft is rotatably arranged at the bottom of the water collecting tank, a placing plate is arranged on the mounting shaft, and a plurality of vertical rods are further arranged on the testing table. A top plate located above the water collecting tank is arranged on the multiple vertical rods, and a test module is arranged on the top plate. According to the safety valve testing device provided by the utility model, the basic requirement of testing the safety valve can be met, and the testing process of the safety valve can be prevented from being influenced by the loading and unloading processes of the safety valve, so that the overall efficiency of testing a plurality of safety valves is improved.

Description

Technical Field

[0001] This utility model belongs to the technical field of safety valve testing equipment, and specifically relates to a safety valve testing device. Background Technology

[0002] Safety valves are special valves that are normally closed under external force. When the pressure of the medium in the equipment or pipeline rises above a specified value, they release the medium to the outside of the system to prevent the pressure from exceeding the specified value. Therefore, during the production of safety valves, it is necessary to test whether the safety valve can open under pressure exceeding the specified value.

[0003] While existing safety valve testing equipment can meet the basic requirements for testing safety valves, it requires a pause in operation for a certain period after each safety valve test to unload the tested safety valve and load the safety valve to be tested. This prevents the testing and loading / unloading processes from being synchronized, thus creating a technical problem that affects the overall efficiency of testing multiple safety valves.

[0004] For example, utility model patent CN210293673U discloses a testing device for a safety valve. In this patent's technical solution, a workbench is arranged with several testing stations at intervals. Each testing station includes a connecting pipe, a cylinder, and a mounting plate. The mounting plate is horizontally mounted above the workbench by several bolts, and its front end has a U-shaped mounting port. The connecting pipe is vertically movable and passes through the workbench. The cylinder is located at the bottom of the workbench, and its piston rod is connected to the lower end of the connecting pipe. The connecting pipe has an inlet on its side wall below the workbench and an outlet at its upper end, directly below the U-shaped mounting port. However, in this patent's technical solution, each testing station cannot automatically move the tested safety valve from its testing position, nor can it automatically move the safety valve to be tested to the testing station. Instead, after each test, the testing structure needs to pause for a considerable period to allow for the loading and unloading of the safety valve. Therefore, this does not fully meet the needs of users. Utility Model Content

[0005] In view of this, this utility model addresses the shortcomings of the prior art by providing a safety valve testing device that not only meets the basic requirements for testing safety valves, but also avoids the loading and unloading process of safety valves from affecting the testing process, thereby improving the overall efficiency of testing multiple safety valves.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a safety valve testing device, including a test platform, a support leg at the bottom of the test platform, a water collection tank running through the test platform, an installation shaft rotatably mounted at the bottom of the water collection tank, a placement plate mounted on the installation shaft, a safety valve being snapped onto the placement plate with its inlet facing upwards, an insertion hole being provided on the placement plate, and a snap-fit ​​groove being provided on the side end of the placement plate for snapping with the side end of the safety valve's outlet, multiple vertical rods being provided on the test platform, a top plate being provided on the multiple vertical rods above the water collection tank, and a testing module being provided on the top plate.

[0007] As a further improvement of this utility model, the test module includes a telescopic push rod vertically mounted on the top plate. A mounting plate is provided at the lower end of the output shaft of the telescopic push rod. A water supply pipe is provided on the mounting plate. The side end of the water supply pipe is connected to the water supply device through a water guide hose. A pump body and a valve are provided on the water supply pipe. A connecting plug that seals with the inlet of the safety valve is provided on the water supply pipe. A sealing ring is provided on the inner wall of the connecting plug.

[0008] As a further improvement of this utility model, the top plate is also provided with a guide hole located at the side end of the telescopic push rod, and the mounting plate is provided with a guide rod that is inserted and connected to the guide hole. Through the insertion and cooperation of the guide hole and the guide rod, the mounting plate can move vertically smoothly and avoid the telescopic push rod from being easily damaged by terrain deformation.

[0009] As a further improvement of this utility model, a drive motor is also provided at the bottom of the water collection tank. A drive gear is provided on the output shaft of the drive motor, and a driven gear meshing with the drive gear is provided on the mounting shaft. Through the cooperation of the drive motor, the drive gear, and the driven gear, the mounting shaft can be rotated.

[0010] As a further improvement of this utility model, a support ring groove is also provided on the inner wall of the water collection tank, and a support ring plate is provided on the side end of the placement plate, which is rotatably connected to the support ring groove. Through the rotation and support cooperation of the support ring groove and the support ring plate, the placement plate can have better stability and avoid easy deformation of the mounting shaft.

[0011] As a further improvement of this utility model, a drain pipe is also provided at the bottom of the water collection tank, and a control valve is provided on the drain pipe. Simply open the control valve to drain the water collected in the water collection tank through the drain pipe.

[0012] As a further improvement of this utility model, a transparent observation window is also provided on the water collection tank. Through the transparent observation window, workers can easily check the water level in the water collection tank, thereby promptly draining the water collected in the tank.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] Firstly, the mounting shaft allows for the rotation and adjustment of the placement plate and multiple safety valves, enabling the multiple safety valves to be tested to rotate sequentially to the bottom of the test module for testing. Simultaneously, it allows the multiple tested safety valves to rotate sequentially to the unloading position, thus unloading while testing is being performed. At the same time, it allows the empty insertion holes on the placement plate to rotate to the loading position, thus loading while testing is being performed. Therefore, it avoids the loading and unloading process of the safety valves affecting the testing process, thereby improving the overall efficiency of testing multiple safety valves.

[0015] Secondly, when a safety valve is rotated to the bottom of the water supply pipe, the connecting plug can be driven by the telescopic push rod to seal and connect with the water inlet of the safety valve, thereby testing the safety valve. After the safety valve test is completed, the connecting plug can be driven by the telescopic push rod to separate from the water inlet of the safety valve, thus completing the test of a safety valve. Attached Figure Description

[0016] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the test module of this utility model;

[0019] Figure 3 This is a structural schematic diagram of the top plate, support ring groove, and support ring plate of this utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the mounting shaft, placement plate, snap-fit ​​groove, and safety valve of this utility model;

[0021] Figure 5 This is a schematic diagram of the drive motor, driving gear, and driven gear of this utility model.

[0022] In the diagram: 100, Safety valve; 101, Test bench; 102, Support leg; 103, Water collection tank; 104, Mounting shaft; 105, Placement plate; 106, Placement plate; 107, Insertion hole; 108, Snap-fit ​​groove; 109, Vertical rod; 110, Top plate; 111, Support ring groove; 112, Support ring plate; 113, Drain pipe; 114, Control valve; 115, Transparent observation window; 116, Connecting block; 201, Telescopic push rod; 202, Mounting plate; 203, Water supply pipe; 204, Pump body; 205, Valve; 206, Connecting plug; 207, Sealing ring; 208, Guide insertion hole; 209, Guide insertion rod; 301, Drive motor; 302, Drive gear; 303, Driven gear. Detailed Implementation

[0023] To better understand this utility model, the following embodiments further illustrate its content, but the scope of protection of this utility model is not limited to the embodiments described below. Numerous specific details are set forth in the following description to provide a more thorough understanding of this utility model. However, it will be apparent to those skilled in the art that this utility model can be practiced without one or more of these details.

[0024] like Figure 1 , 3 As shown in Figure 4, a safety valve testing device includes a test platform 101. The bottom of the test platform 101 is provided with a support leg 102. A water collection tank 103 is provided through the test platform. A mounting shaft 104 is vertically provided through the bottom of the water collection tank 103 and rotatably provided. A placement plate 106105 is provided on the mounting shaft 104. The safety valve 100 is snapped onto the placement plate 106105 with the inlet facing upward. The placement plate 106105 has a plug hole 107. The side end of the placement plate 106105 is also provided with a snap-fit ​​groove 108 that snaps onto the side end of the outlet of the safety valve 100. The test platform 101 is also provided with multiple vertical rods 109. A top plate 110 located above the water collection tank 103 is provided on the multiple vertical rods 109. A test module is provided on the top plate 110.

[0025] like Figure 1 , 2 As shown, the test module includes a telescopic push rod 201 vertically mounted on the top plate 110. A mounting plate 202 is provided at the lower end of the output shaft of the telescopic push rod 201. A water supply pipe 203 is provided on the mounting plate 202. The side end of the water supply pipe 203 is connected to the water supply device through a water guide hose. A pump body 204 and a valve 205 are provided on the water supply pipe 203. A connector 206 is provided on the water supply pipe 203 to seal and connect with the inlet of the safety valve 100. The connector 206 is screwed to the water supply pipe 203. A sealing ring 207 is provided on the inner wall of the connector 206.

[0026] The worker drives the installation shaft 104 to rotate, which in turn drives the placement plate 106105 and multiple safety valves 100 to rotate and adjust. First, one safety valve 100 to be tested is rotated to the bottom of the connector 206. Then, the output shaft of the telescopic push rod 201 is driven to extend downward by a certain length, causing the installation plate 202 and connector 206 to move downward until the connector 206 is sealed and connected to the inlet of the safety valve 100. Next, the valve 205 is opened and the pump body 204 is started, injecting water into the safety valve 100 from the water supply pipe 203, connector 206 and the inlet of the safety valve 100 until the water pressure reaches the preset value. The worker observes whether the safety valve 100 can open normally and discharge water from its outlet into the water collection tank 103, thereby determining whether the safety valve 100 can switch to the open state when the water pressure reaches the preset value.

[0027] Then valve 205 and pump body 204 can be closed, and then the output axis of telescopic push rod 201 is driven to shorten by a certain length, so that the connector 206 is separated from the inlet of safety valve 100.

[0028] Then, the mounting shaft 104, the placement plate 106105 and the multiple safety valves 100 can be driven to continue rotating, so that the multiple tested safety valves 100 are rotated to the unloading position in sequence, and the remaining safety valves 100 are tested in sequence in the same way.

[0029] During the subsequent testing of safety valves 100, when one safety valve 100 to be tested moves to the testing station, multiple tested safety valves 100 can be rotated to the unloading position in sequence, so that unloading can be carried out while testing is being performed. At the same time, the empty insertion hole 107 on the placement plate 106105 can be driven to rotate to the loading position, so that loading can be carried out while testing is being performed. Therefore, the loading and unloading process of safety valves 100 can be avoided from affecting the testing process of safety valves 100, thereby improving the overall efficiency of testing multiple safety valves 100.

[0030] According to another embodiment of the present invention, such as Figure 1 , 3 As shown, the top plate 110 is also provided with a guide hole 208 located at the side end of the telescopic push rod 201, and the mounting plate 202 is provided with a guide rod 209 that is inserted and connected to the guide hole 208. During the vertical adjustment of the mounting plate 202 by the telescopic push rod 201, the guide rod 209 can slide vertically relative to the guide hole 208, thereby enabling the mounting plate 202 to move vertically smoothly. After the vertical adjustment of the mounting plate 202 is completed, the guide rod 209 is inserted and connected to the guide hole 208, which can effectively prevent the telescopic push rod 201 from being easily deformed and damaged by non-vertical forces.

[0031] According to another embodiment of the present invention, such as Figure 4 , 5 As shown, a drive motor 301 is vertically mounted at the bottom of the water collection tank 103. A drive gear 302 is mounted on the output shaft of the drive motor 301, and a driven gear 303 that meshes with the drive gear 302 is mounted on the mounting shaft 104. The worker only needs to drive the drive motor 301 to rotate the mounting shaft 104 through the transmission cooperation of the drive gear 302 and the driven gear 303.

[0032] According to another embodiment of the present invention, such as Figure 3 , 4 As shown, a support ring groove 111 is also provided on the inner side wall of the water collection tank 103. The support ring groove 111 is provided on the inner side wall of the water collection tank 103 through a connecting block 116. A support ring plate 112 that is rotatably connected to the support ring groove 111 is provided on the side end of the placement plate 106105.

[0033] During the rotation of the placement plate 106105, the support ring groove 111 can assist the support ring plate 112 in rotation and support, which can make the placement plate 106105 more stable, thereby more stably switching and adjusting the position of multiple safety valves 100, and preventing the mounting shaft 104 from easily deforming.

[0034] According to another embodiment of the present invention, such as Figure 5 As shown, a drain pipe 113 is also provided at the bottom of the water collection tank 103, and a control valve 114 is provided on the drain pipe 113. A transparent observation window 115 is also provided on the water collection tank 103.

[0035] Once the worker observes through the transparent observation window 115 that enough water has been collected in the water collection tank 103, they can open the control valve 114 and conveniently drain the collected water from the water collection tank 103 through the drain pipe 113.

[0036] The above are preferred embodiments of this utility model. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A safety valve testing device, comprising a test bench (101), wherein a support leg (102) is provided at the bottom of the test bench (101), characterized in that: A water collection tank (103) is installed through the test platform. An installation shaft (104) is rotatably installed at the bottom of the water collection tank (103). A placement plate (106) (105) is installed on the installation shaft (104). A safety valve (100) is snapped onto the placement plate (106) (105) with the inlet facing upwards. A plug hole (107) is opened on the placement plate (106) (105). A snap-fit ​​groove (108) is also provided on the side end of the placement plate (106) (105) to snap into the side end of the outlet of the safety valve (100). A number of vertical rods (109) are also provided on the test platform (101). A top plate (110) located above the water collection tank (103) is provided on the multiple vertical rods (109). A test module is provided on the top plate (110).

2. The safety valve testing device as described in claim 1, characterized in that: The test module includes a telescopic push rod (201) vertically mounted on the top plate (110). The lower end of the output shaft of the telescopic push rod (201) is provided with a mounting plate (202). A water supply pipe (203) is provided on the mounting plate (202). The side end of the water supply pipe (203) is connected to the water supply device through a water guide hose. A pump body (204) and a valve (205) are provided on the water supply pipe (203). A connecting plug (206) is provided on the water supply pipe (203) to seal and connect with the inlet of the safety valve (100). A sealing ring (207) is provided on the inner wall of the connecting plug (206).

3. The safety valve testing device as described in claim 2, characterized in that: The top plate (110) is also provided with a guide insertion hole (208) located at the side end of the telescopic push rod (201), and the mounting plate (202) is provided with a guide insertion rod (209) that is inserted and connected to the guide insertion hole (208).

4. The safety valve testing device as described in claim 3, characterized in that: A drive motor (301) is also provided at the bottom of the water collection tank (103). A drive gear (302) is provided on the output shaft of the drive motor (301), and a driven gear (303) that meshes with the drive gear (302) is provided on the mounting shaft (104).

5. The safety valve testing device as described in claim 4, characterized in that: The inner wall of the water collection tank (103) is also provided with a support ring groove (111), and the side end of the placement plate (106) (105) is provided with a support ring plate (112) that is rotatably connected to the support ring groove (111).

6. The safety valve testing device as described in claim 5, characterized in that: The bottom of the water collection tank (103) is also equipped with a drain pipe (113), and a control valve (114) is installed on the drain pipe (113).

7. The safety valve testing device as described in claim 6, characterized in that: A transparent observation window (115) is also provided on the water collection tank (103).

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