Positioning clamp of water conservancy valve sealing detection equipment

Abstract

The utility model relates to the technical field of positioning clamps, in particular to a positioning clamp of water conservancy valve sealing detection equipment, which comprises an object placing table, a plurality of valve bottom sealing structures are arranged in the middle of the top side of the object placing table, and two first electric push rods are fixedly mounted on the bottom side of the object placing table. And the output ends of the two first electric push rods are fixedly connected with a first moving plate. The device has the advantages that the storage table, the valve bottom sealing structure, the first electric push rod, the first movable plate, the hinge seat, the connecting rod, the movable clamping plate, the arc-shaped plate, the clamping pad, the guide sliding groove, the guide rod, the mounting bracket, the second electric push rod, the second movable plate and the valve top sealing structure are arranged in a matched manner; compared with the prior art, a plurality of hydraulic valves can be clamped and fixed at the same time, the valve bottom sealing structure and the valve top sealing structure are easy and convenient to assemble and disassemble, the time needed by overall detection is short, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning fixtures, in particular to a positioning fixture for water conservancy valve sealing detection equipment. Background Art

[0002] Water conservancy projects are important infrastructure related to the national economy and people's livelihood. As an indispensable part of water conservancy projects, the selection and use of valves are directly related to the safety and benefits of the projects. In order to ensure the quality of water conservancy valves, it is necessary to perform sealing tests on the water conservancy valves to avoid water leakage caused by poor sealing. When performing sealing tests on water conservancy valves, positioning fixtures are needed to clamp and position the water conservancy valves, thereby ensuring stable testing operations on the water conservancy valves.

[0003] A valve detection fixture is disclosed in a patent document with publication number CN218397781U. The valve detection fixture can detect valves of various models by setting a fastening component one and a fastening component two. However, the valve detection fixture can only clamp and position one valve at a time. When more valves need to be tested, the fastening components need to be disassembled back and forth, which makes the overall test take a long time and reduces the test efficiency. Therefore, a positioning fixture for water valve sealing detection equipment is needed to solve the above problems. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0005] Therefore, one purpose of the utility model is to provide a positioning fixture for a water valve sealing detection device to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0006] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a positioning fixture for a water conservancy valve sealing detection device, including a storage table, a plurality of valve bottom sealing structures are arranged in the middle of the top side of the storage table, two first electric push rods are fixedly installed on the bottom side of the storage table, and the output ends of the two first electric push rods are fixedly connected to a first movable plate, two symmetrical side surfaces of the first movable plate are fixedly connected to a plurality of hinge seats, one side of a plurality of the hinge seats are hinged with connecting rods, and the ends of a plurality of the connecting rods away from the hinge seats are hinged with movable clamping plates, one side of a plurality of the movable clamping plates are fixedly connected with an arc plate, and the inner walls of a plurality of the arc plates are fixedly connected with clamping pads, a plurality of guide slots are opened on one side of the storage table, and the inner walls of a plurality of the guide slots are fixedly connected with guide rods, a mounting bracket is fixedly connected to the top side of the storage table, two second electric push rods are fixedly installed on one side of the mounting bracket, and the output ends of the two second electric push rods are fixedly connected with a second movable plate, and a plurality of valve top sealing structures are arranged on the second movable plate.

[0007] Preferably, any of the above schemes is that the valve bottom sealing structure includes a first connecting threaded rod, a pad and a first circular sealing gasket, the top side of the storage table is threadedly connected to a plurality of first connecting threaded rods, the top ends of a plurality of the first connecting threaded rods are fixedly connected to a pad, the top sides of a plurality of the pads are fixedly connected to a first circular sealing gasket, and a water valve is arranged on the pad.

[0008] Preferably, any of the above schemes is that the valve top sealing structure includes a second connecting threaded rod, a pressure plate, a second circular sealing gasket and a vent hole, a plurality of second connecting threaded rods are threadedly connected to one side of the second movable plate, a plurality of second connecting threaded rods are fixedly connected to a pressure plate at one end, a plurality of pressure plates are fixedly connected to a second circular sealing gasket on one side away from the second connecting threaded rod, a vent hole is provided on one side of the pressure plate and the second circular sealing gasket, and a sealing ring is provided on the inner wall of the vent hole.

[0009] Preferably, any of the above schemes is that a portion of the movable clamping plate is located inside the guide slot, the guide rod passes through the movable clamping plate, the movable clamping plate is slidably connected to the guide rod, and the movable clamping plate is slidably connected to the guide slot.

[0010] Preferably, any of the above schemes has a shape of the clamping pad being arc-shaped, and the materials of the clamping pad, the first circular sealing pad and the second circular sealing pad are all rubber.

[0011] Preferably, any of the above schemes has the following characteristics: the number of the valve bottom sealing structure corresponds to the valve top sealing structure, the position of the valve bottom sealing structure corresponds to the valve top sealing structure, and the size of the first circular sealing gasket matches that of the second circular sealing gasket.

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

[0013] Through the coordinated arrangement of the storage table, the valve bottom sealing structure, the first electric push rod, the first movable plate, the hinged seat, the connecting rod, the movable clamping plate, the arc plate, the clamping pad, the guide groove, the guide rod, the mounting bracket, the second electric push rod, the second movable plate and the valve top sealing structure, not only can several water valves be clamped and fixed at the same time, but also the installation and disassembly of the valve bottom sealing structure and the valve top sealing structure is relatively simple, and it is convenient to select the first circular sealing gasket and the second circular sealing gasket of appropriate diameter according to the inner diameter of the valve, so as to better perform the sealing and fixing operation on the top and bottom of the valve, so that the time required for the overall detection is reduced, thereby improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model from a first perspective;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model from a second viewing angle;

[0016] Figure 3 This is a schematic diagram of the structure of the utility model without a hydraulic valve installed;

[0017] Figure 4 This is a schematic diagram of the structure of the valve top sealing structure and its connecting components of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the first movable plate and its connecting components of the utility model;

[0019] Figure 6 It is a structural schematic diagram of the bottom sealing structure of the valve of the utility model.

[0020] In the figure: 1- storage table, 2- valve bottom sealing structure, 201- first connecting threaded rod, 202- pad, 203- first circular sealing pad, 3- first electric push rod, 4- first movable plate, 5- hinged seat, 6- connecting rod, 7- movable clamping plate, 8- arc plate, 9- clamping pad, 10- guide slide groove, 11- guide rod, 12- mounting bracket, 13- second electric push rod, 14- second movable plate, 15- valve top sealing structure, 1501- second connecting threaded rod, 1502- pressure plate, 1503- second circular sealing pad, 1504- vent hole. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0022] like Figures 1 to 6 As shown, a positioning fixture for water conservancy valve sealing detection equipment includes a storage platform 1, a plurality of valve bottom sealing structures 2 are arranged in the middle of the top side of the storage platform 1, two first electric push rods 3 are fixedly installed on the bottom side of the storage platform 1, the output ends of the two first electric push rods 3 are fixedly connected to a first movable plate 4, the first movable plate 4 is located below the storage platform 1, two symmetrical side surfaces of the first movable plate 4 are fixedly connected to a plurality of hinge seats 5, one side of the plurality of hinge seats 5 are hinged with connecting rods 6, the ends of the plurality of connecting rods 6 away from the hinge seats 5 are hinged with movable splints 7, one side of the plurality of movable splints 7 are fixedly connected with arc plates 8, the inner walls of the plurality of arc plates 8 are fixedly connected with clamping pads 9, one side of the storage platform 1 is provided with a plurality of guide slots 10, the plurality of guide slots 10 The inner walls are fixedly connected with guide rods 11, the top side of the storage table 1 is fixedly connected with a mounting bracket 12, one side of the mounting bracket 12 is fixedly installed with two second electric push rods 13, the output ends of the two second electric push rods 13 are fixedly connected with a second movable plate 14, and a plurality of valve top sealing structures 15 are arranged on the second movable plate 14. When positioning the water conservancy valve, the water conservancy valve is first placed on the valve bottom sealing structure 2, and then the first electric push rod 3 is started to move the first movable plate 4 downward. At this time, under the action of a plurality of hinged seats 5, connecting rods 6 and guide rods 11, the movable clamping plate 7 is moved toward the direction of the water conservancy valve. At this time, the arc plate 8 drives the clamping pad 9 to move toward the direction of the water conservancy valve and makes the clamping pad 9 fit tightly with the water conservancy valve, thereby clamping and fixing the water conservancy valve.

[0023] As an optional technical solution of the utility model, the valve bottom sealing structure 2 includes a first connecting threaded rod 201, a pad 202 and a first circular sealing gasket 203. The top side of the storage platform 1 is threadedly connected to a plurality of first connecting threaded rods 201, the top ends of the plurality of first connecting threaded rods 201 are fixedly connected to the pad 202, the top sides of the plurality of pads 202 are fixedly connected to the first circular sealing gasket 203, and a water conservancy valve is arranged on the pad 202. When placing the water conservancy valve, firstly select a first circular sealing gasket 203 with a suitable diameter according to the inner diameter of the water conservancy valve, and then thread the first connecting threaded rod 201 to the storage platform 1, so that the bottom of the water conservancy valve is placed on the pad 202, and the first circular sealing gasket 203 is stuck into the bottom of the water conservancy valve, thereby performing a sealing operation on the bottom of the water conservancy valve.

[0024] As an optional technical solution of the utility model, the valve top sealing structure 15 includes a second connecting threaded rod 1501, a pressure plate 1502, a second circular sealing gasket 1503 and a vent 1504. One side of the second movable plate 14 is threadedly connected with a plurality of second connecting threaded rods 1501, one end of the plurality of second connecting threaded rods 1501 is fixedly connected with a pressure plate 1502, and a plurality of pressure plates 1502 are fixedly connected with a second circular sealing gasket 1503 on one side away from the second connecting threaded rod 1501. Vents 1504 are provided on one side of the pressure plate 1502 and the second circular sealing gasket 1503, and a sealing ring is provided on the inner wall of the vent 1504. When the water conservancy valve is clamped Before, a second circular sealing gasket 1503 with a suitable diameter is selected according to the inner diameter of the water conservancy valve, and the second connecting threaded rod 1501 is threadedly connected to the second movable plate 14, and then the second electric push rod 13 is started to move the second movable plate 14 downward, so that the second connecting threaded rod 1501 drives the pressure plate 1502 and the second circular sealing gasket 1503 to move downward and the second circular sealing gasket 1503 is inserted into the top of the water conservancy valve, thereby sealing the top of the water conservancy valve, and conveniently connecting with the external ventilation pipe through the vent hole 1504, and the sealing ring makes the external ventilation pipe and the second circular sealing gasket 1503 and the pressure plate 1502 have a better sealing performance.

[0025] As an optional technical solution of the utility model, a part of the movable splint 7 is located inside the guide slot 10, the guide rod 11 passes through the movable splint 7, the movable splint 7 is slidingly connected to the guide rod 11, and the movable splint 7 is slidingly connected to the guide slot 10, so that the movable splint 7 can only move linearly along the direction of the guide rod 11 and the guide slot 10.

[0026] As an optional technical solution of the present invention, the clamping pad 9 is in the shape of an arc, and the clamping pad 9, the first circular sealing pad 203 and the second circular sealing pad 1503 are all made of rubber. The clamping pad 9 made of rubber can avoid damage to the water valve during the clamping process of the water valve, and the first circular sealing pad 203 and the second circular sealing pad 1503 made of rubber can ensure better sealing with the water valve.

[0027] As an optional technical solution of the present utility model, the number of the valve bottom sealing structure 2 corresponds to the valve top sealing structure 15, the position of the valve bottom sealing structure 2 corresponds to the valve top sealing structure 15, and the size of the first circular sealing gasket 203 is adapted to the size of the second circular sealing gasket 1503.

[0028] A positioning fixture for water conservancy valve sealing detection equipment, the working principle is as follows:

[0029] 1) The bottom of the water conservancy valve is placed on the pad 202, and the first circular sealing gasket 203 is inserted into the bottom of the water conservancy valve, thereby performing a sealing operation on the bottom of the water conservancy valve;

[0030] 2) Start the first electric push rod 3 to move the first moving plate 4 downward. At this time, the moving clamping plate 7 moves toward the water conservancy valve under the action of the plurality of hinge seats 5, the connecting rod 6 and the guide rod 11. At this time, the arc plate 8 drives the clamping pad 9 to move toward the water conservancy valve and makes the clamping pad 9 fit tightly with the water conservancy valve, thereby clamping and fixing the water conservancy valve;

[0031] 3) Start the second electric push rod 13 to move the second movable plate 14 downward, so that the second connecting threaded rod 1501 drives the pressure plate 1502 and the second circular sealing gasket 1503 to move downward and insert the second circular sealing gasket 1503 into the top of the water valve. At this time, the pressure plate 1502 fits tightly with the top of the water valve to clamp and fix the water valve.

[0032] To sum up, the positioning fixture of the water valve sealing detection equipment, through the matching arrangement of the storage table 1, the valve bottom sealing structure 2, the first electric push rod 3, the first movable plate 4, the hinged seat 5, the connecting rod 6, the movable clamping plate 7, the arc plate 8, the clamping pad 9, the guide slide groove 10, the guide rod 11, the mounting bracket 12, the second electric push rod 13, the second movable plate 14 and the valve top sealing structure 15, can not only clamp and fix several water valves at the same time, but also make the installation and disassembly of the valve bottom sealing structure 2 and the valve top sealing structure 15 relatively simple, and facilitate the selection of the first circular sealing gasket 203 and the second circular sealing gasket 1503 of suitable diameter according to the inner diameter of the valve, so as to better perform the sealing and fixing operation on the top and bottom of the valve, so that the time required for the overall detection is reduced, thereby improving the detection efficiency.

Claims

1. A positioning fixture for a hydraulic valve sealing detection device, characterized in that: The utility model comprises a storage platform (1), wherein a plurality of valve bottom sealing structures (2) are arranged in the middle of the top side of the storage platform (1), two first electric push rods (3) are fixedly installed on the bottom side of the storage platform (1), the output ends of the two first electric push rods (3) are fixedly connected to a first movable plate (4), two symmetrical side surfaces of the first movable plate (4) are fixedly connected to a plurality of hinge seats (5), one side of the plurality of hinge seats (5) are hinged to a connecting rod (6), one end of the plurality of connecting rods (6) away from the hinge seat (5) are hinged to a movable clamping plate (7), and one side of the plurality of movable clamping plates (7) are fixedly connected to A curved plate (8) is connected, and the inner walls of several of the curved plates (8) are fixedly connected with clamping pads (9); one side of the storage platform (1) is provided with several guide grooves (10), and the inner walls of several of the guide grooves (10) are fixedly connected with guide rods (11); the top side of the storage platform (1) is fixedly connected with a mounting bracket (12), and one side of the mounting bracket (12) is fixedly installed with two second electric push rods (13), and the output ends of the two second electric push rods (13) are fixedly connected with a second movable plate (14), and the second movable plate (14) is provided with several valve top sealing structures (15).

2. A positioning fixture for water conservancy valve sealing detection equipment according to claim 1, characterized in that: The valve bottom sealing structure (2) comprises a first connecting threaded rod (201), a pad (202) and a first circular sealing gasket (203); the top side of the storage platform (1) is threadedly connected to a plurality of first connecting threaded rods (201); the top ends of the plurality of first connecting threaded rods (201) are fixedly connected to the pad (202); the top sides of the plurality of pads (202) are fixedly connected to the first circular sealing gasket (203); and a water valve is arranged on the pad (202).

3. A positioning fixture for water conservancy valve sealing detection equipment according to claim 2, characterized in that: The valve top sealing structure (15) includes a second connecting threaded rod (1501), a pressure plate (1502), a second circular sealing gasket (1503) and a vent (1504); one side of the second movable plate (14) is threadedly connected to a plurality of second connecting threaded rods (1501); one end of a plurality of second connecting threaded rods (1501) is fixedly connected to a pressure plate (1502); a plurality of pressure plates (1502) are fixedly connected to a second circular sealing gasket (1503) on a side away from the second connecting threaded rod (1501); a vent (1504) is provided on one side of the pressure plate (1502) and the second circular sealing gasket (1503); and a sealing ring is provided on the inner wall of the vent (1504).

4. A positioning fixture for water conservancy valve sealing detection equipment according to claim 3, characterized in that: A portion of the movable clamping plate (7) is located inside the guide sliding groove (10), the guide rod (11) passes through the movable clamping plate (7), the movable clamping plate (7) is slidably connected to the guide rod (11), and the movable clamping plate (7) is slidably connected to the guide sliding groove (10).

5. The positioning fixture of the water conservancy valve sealing detection equipment according to claim 4 is characterized in that: The clamping pad (9) is in an arc shape, and the clamping pad (9), the first circular sealing pad (203) and the second circular sealing pad (1503) are all made of rubber.

6. A positioning fixture for water conservancy valve sealing detection equipment according to claim 5, characterized in that: The number of the valve bottom sealing structure (2) corresponds to the valve top sealing structure (15), the position of the valve bottom sealing structure (2) corresponds to the valve top sealing structure (15), and the size of the first circular sealing gasket (203) and the second circular sealing gasket (1503) are adapted to each other.

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