CN115343039A

CN115343039A - Automatic valve performance testing device

Info

Publication number: CN115343039A
Application number: CN202210882626.4A
Authority: CN
Inventors: 默晓辉
Original assignee: Beijing Pinzhi Enterprise Service Technology Co ltd
Current assignee: Beijing Pinzhi Enterprise Service Technology Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-11-15

Abstract

The invention belongs to the technical field of valve production, and particularly relates to an automatic valve performance testing device. The simulation component can change the closing state of the valve mechanically to test the ventilation effect of the valve in different closing states, and meanwhile, the simulation component can change the closing state of the valve at high frequency to simulate the operation of the valve in the practical use process, so that the test detection data of the valve in a high-strength and high-frequency state can be obtained, the valve can be tested and detected in an all-round manner, and the accuracy of the test result of the valve can be improved.

Description

Automatic valve performance testing device

Technical Field

The invention relates to the technical field of valve production, in particular to an automatic valve performance testing device.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, can be divided into a shut-off valve, a check valve, an adjusting valve and the like according to the functions, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

The valve need carry out performance test to it after production, and the experimental detection to the gas valve is to its circulation rate of gas in the valve under different encapsulated situation, and this kind of experiment needs cooperate the gas tightness detector to carry out data detection, and the valve can lead to valve inside wearing and tearing because frequent closed state changes in the in-service use process, and the gas tightness changes, and present testing arrangement can't satisfy this kind of experimental environment.

Disclosure of Invention

The invention provides an automatic valve performance testing device which comprises a test bed, wherein a sliding groove is formed in the upper side of the test bed, an adjusting seat is movably connected inside the sliding groove, a simulation assembly is arranged on the adjusting seat, a valve is arranged above the test bed and comprises a knob disc, an inlet interface and an outlet interface, the simulation assembly comprises a simulation seat, a rotary rod and a lower ring, the simulation seat and the adjusting seat are fixedly connected, a support is fixedly connected to one side of the simulation seat, which is close to the valve, a threaded hole is formed in the support, the rotary rod and the threaded hole are movably connected, the lower end of the rotary rod is fixedly connected with a connecting disc, the lower ring is located outside the connecting disc and fixedly connected with the connecting disc, three rotary convex inserts with equal circumference are fixedly connected to the lower side of the lower ring, and the lower ring is located above the knob disc.

Preferably, the spout has been seted up to the one side of keeping away from the support on the simulation seat, and the inside swing joint of spout has the motor frame, and the inside of spout is provided with electronic slide rail, and has seted up the round hole on the motor frame, the first reversal motor of the inside fixedly connected with of round hole, and the output of the first reversal motor has the pivot through the coupling joint, the other end of pivot and the equal fixedly connected with rim plate in top of swing joint between two rim plates.

Preferably, the adjusting seat is provided with a threaded hole, the threaded hole is movably connected with a first screw rod, the first screw rod is located inside a sliding groove in the test bed, the adjusting seat is provided with a circular groove, the circular groove is fixedly connected with a first hydraulic rod, and the other end of the first hydraulic rod is fixedly connected with the lower side of the simulation seat.

Preferably, the both sides of valve all are provided with places the board, and two are placed and all have been seted up the round hole on the board, and the inside fixedly connected with intake pipe and outlet duct respectively of two round holes, and the intake pipe is located the one side of advancing the interface, and the outlet duct is located the one side of going out the interface.

Preferably, the lower side of the placing plate on one side of the inlet port is fixedly connected with a fixing frame, the fixing frame is fixedly connected with the upper side of the test bed, the lower side of the placing plate on one side of the outlet port is fixedly connected with a movable base, the upper side of the test bed is provided with a functional groove, and the movable base is located inside the functional groove.

Preferably, the placing plate on one side of the outlet is provided with symmetrical round holes, the round holes are all movably connected with limiting rods, two ends of each limiting rod are fixedly connected with the inner wall of the corresponding functional groove respectively, the placing plate is provided with threaded holes, the threaded holes are movably connected with second lead screws, and the second lead screws are located inside the corresponding functional grooves.

Preferably, the placing plate is provided with retention components, and the two retention components are symmetrically distributed.

Preferably, the maintenance subassembly includes the backplate, two draw the seat and four briquetting, the backplate is located places the one side of keeping away from the valve on the board, be close to the one side of placing the board on the backplate and seted up the spout, two draw the inside swing joint of seat and spout, two draw the seat to be the symmetric distribution, and the one end of spout is provided with the second reversal motor, the output of second reversal motor has the third lead screw through coupling joint, two draw and all set up threaded hole on the seat, the other end of third lead screw passes two screw holes on drawing the seat and one side inner wall swing joint of spout respectively.

Preferably, the placing plate is provided with four sliding holes, the four sliding holes are distributed in pairwise symmetry, two symmetrical pull rods are fixedly connected to one side of each pull seat close to the placing plate, and the other ends of the four pull rods respectively penetrate through the four sliding holes to be fixedly connected with the four pressing blocks.

Preferably, fixedly connected with retention piece on the backplate places and has seted up the circular slot on the board, the inside fixedly connected with second hydraulic stem of circular slot, fixed connection between the other end of second hydraulic stem and the retention piece, and has seted up the round hole of four symmetries on the backplate, and the round hole is located the both sides of retention piece respectively, the equal swing joint in inside of four round holes has the slide bar, the one end of slide bar and place equal fixed connection between the board.

The beneficial effects of the invention are as follows:

1. according to the device, the simulation assembly can be used for mechanically changing the closed state of the valve to test the ventilation effect of the valve in different closed states, and meanwhile, the simulation assembly can be used for changing the closure of the valve at high frequency to simulate the operation of the valve in the practical use process, so that the test detection data of the valve in a high-strength high-frequency state can be obtained, the valve can be tested and detected in an all-round manner, and the accuracy of the test result of the valve is improved.

2. According to the invention, through the arranged electric slide rail, the electric slide rail can drive the motor frame to move up and down so as to adapt to the lifting of the rotary rod during rotation, and the normal operation of the simulation assembly is ensured; the height of adjusting the seat can be changed to first hydraulic stem to the position of simulation seat is adjusted according to the different specifications of valve, improves the result of use of device.

3. According to the valve fixing device, the fixing component is arranged, the inlet port and the outlet port of the valve can be directly extruded and fixed by the fixing component, the fixing component is not required to be rotated and fixed by bolts, the valve is convenient to place and take subsequently during detection, meanwhile, the fixing component can be adjusted according to the specifications of the inlet port and the outlet port of the valve, the fixing operation of the valves with different specifications is convenient to adapt, and the application range of the device is improved; the positions of the two pull seats are adjusted by a mode that the third screw rod drives the third screw rod to rotate, so that equipment can be conveniently adjusted according to different specifications of the valve to be tested, and the application range of the device is widened.

Drawings

Fig. 1 is a schematic view of a partial structure of an automatic valve performance testing apparatus according to the present invention;

fig. 2 is a schematic view of a valve structure of an automatic valve performance testing apparatus according to the present invention;

fig. 3 is a schematic structural diagram of a simulation module of an automatic valve performance testing apparatus according to the present invention;

fig. 4 is a schematic overall structural diagram of an automatic valve performance testing apparatus according to the present invention;

fig. 5 is a schematic structural view of a placing plate of the automatic valve performance testing device provided by the invention;

FIG. 6 is a schematic view of a retention assembly of an automatic testing apparatus for valve performance according to the present invention;

fig. 7 is a schematic drawing of a pull seat structure of an automatic valve performance testing apparatus according to the present invention.

In the figure: 1. a test bed; 2. an adjusting seat; 3. a knob disc; 4. an inlet port; 5. an outlet port; 6. a simulation component; 601. a simulation seat; 602. rotating the rod; 603. a lower ring is arranged; 604. a support; 605. a connecting disc; 606. rotating the convex insert; 7. a first counter-rotating motor; 8. an electric slide rail; 9. a motor frame; 10. a wheel disc; 11. a first lead screw; 12. a first hydraulic lever; 13. placing the plate; 14. an air inlet pipe; 15. an air outlet pipe; 16. a fixed mount; 17. a functional groove; 18. a movable base; 19. a limiting rod; 20. a retention assembly; 201. a back plate; 202. pulling a base; 203. briquetting; 204. a second counter-rotating electric machine; 205. a third screw rod; 206. a slide hole; 207. a pull rod; 208. a retention block; 209. a second hydraulic rod; 210. a slide bar; 21. and a second screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

The utility model provides a valve performance automatic test device, as shown in fig. 1, fig. 2 and fig. 3, including test bench 1, the spout has been seted up to the upside of test bench 1, the inside sliding connection of spout has regulation seat 2, and be provided with simulation subassembly 6 on adjusting seat 2, the top of test bench 1 is provided with the valve, and the valve includes knob dish 3, advance interface 4 and go out interface 5, simulation subassembly 6 includes simulation seat 601, rotary rod 602 and lower ring 603, and through bolted connection between simulation seat 601 and the regulation seat 2, there is support 604 close to one side of valve on simulation seat 601 through bolted connection, and seted up the screw hole on the support 604, rotate through the inner wall screw thread between rotary rod 602 and the screw hole and be connected, there is connection pad 605 for the lower extreme of rotary rod 602 through bolted connection, and lower ring 603 is located the outside of connection pad 605, through bolted connection between lower ring 603 and the connection pad 605, the downside of lower ring 603 has three equidistance rotary insert 606 of circumference through bolted connection, and lower ring 603 is located knob dish 3's top, simulation subassembly 6 can change the closure of valve in the real use, thereby the high frequency operation result to the valve, the all-round data detection that the high-intensity test is obtained, thereby the valve detection test accuracy is tested.

Further, as shown in fig. 1 and 3, the spout has been seted up to one side of keeping away from support 604 on simulation seat 601, the inside sliding connection of spout has motor frame 9, the inside of spout is provided with electronic slide rail 8, and the round hole has been seted up on motor frame 9, there is first reversal motor 7 inside of round hole through bolted connection, there is the pivot first reversal motor 7's output through the coupling joint, there is rim plate 10 on the other end of pivot and the top of swing arm 602 all through bolted connection, rotate through the belt between two rim plates 10 and connect, electronic slide rail 8 can drive motor frame 9 and reciprocate, in order to adapt to the lift when swing arm 602 rotates, guarantee the normal operating of simulation subassembly 6.

Furthermore, as shown in fig. 1, 4 and 5, a threaded hole is formed in the adjusting seat 2, the inside of the threaded hole is rotatably connected with a first lead screw 11 through inner wall threads, the first lead screw 11 is located inside a chute on the test bed 1, a circular groove is formed in the adjusting seat 2, the inside of the circular groove is connected with a first hydraulic rod 12 through a bolt, the other end of the first hydraulic rod 12 is connected with the lower side of the simulation seat 601 through a bolt, and the first hydraulic rod 12 can change the height of the adjusting seat 2, so that the position of the simulation seat 601 can be adjusted according to different specifications of valves, and the using effect of the device is improved; placing plates 13 are arranged on two sides of the valve, round holes are formed in the two placing plates 13, an air inlet pipe 14 and an air outlet pipe 15 are connected to the insides of the two round holes through bolts respectively, the air inlet pipe 14 is located on one side of the inlet connector 4, and the air outlet pipe 15 is located on one side of the outlet connector 5; the lower side of the placing plate 13 positioned on one side of the inlet port 4 is connected with a fixed frame 16 through a bolt, the fixed frame 16 is connected with the upper side of the test bed 1 through a bolt, the lower side of the placing plate 13 positioned on one side of the outlet port 5 is connected with a movable base 18 through a bolt, the upper side of the test bed 1 is provided with a functional groove 17, and the movable base 18 is positioned in the functional groove 17; the round hole of symmetry has been seted up on the board 13 of placing that is located interface 5 one side, and the inside of round hole is all pegged graft and is had gag lever post 19, and bolted connection is passed through with the inner wall of functional groove 17 respectively at the both ends of gag lever post 19, and places and set up threaded hole on the board 13, and the inside of threaded hole is connected with second lead screw 21 through inner wall screw thread rotation, and second lead screw 21 is located the inside of functional groove 17.

Furthermore, as shown in fig. 5, 6 and 7, the placing plate 13 is provided with the positioning assemblies 20, and the two positioning assemblies 20 are symmetrically distributed, the positioning assemblies 20 can directly extrude and fix the inlet port 4 and the outlet port 5 of the valve without bolt rotation for positioning, so that the valve can be conveniently placed and subsequently taken during detection, and meanwhile, the positioning assemblies 20 can be adjusted according to the specifications of the inlet port 4 and the outlet port 5 of the valve, so that the positioning operation of the valves with different specifications is conveniently adapted, and the application range of the device is improved; the retention assembly 20 comprises a back plate 201, two pull seats 202 and four pressing blocks 203, the back plate 201 is located on one side of the placing plate 13 far away from the valve, a sliding groove is formed in one side of the back plate 201 close to the placing plate 13, the two pull seats 202 are connected with the inside of the sliding groove in a sliding mode, the two pull seats 202 are symmetrically distributed, a second reverse motor 204 is arranged at one end of the sliding groove, the output end of the second reverse motor 204 is connected with a third screw rod 205 through a coupler, threaded holes are formed in the two pull seats 202, the other end of the third screw rod 205 penetrates through the threaded holes in the two pull seats 202 respectively and is connected with the inner wall of one side of the sliding groove in a rotating mode through a bearing, the positions of the two pull seats 202 are adjusted in a driving rotating mode through the third screw rod 205, equipment can be conveniently adjusted according to different specifications of the valve to be tested, and the application range of the device is improved; four sliding holes 206 are formed in the placing plate 13, the four sliding holes 206 are symmetrically distributed in pairs, two symmetrical pull rods 207 are connected to one side, close to the placing plate 13, of each of the two pull seats 202 through bolts, and the other ends of the four pull rods 207 penetrate through the four sliding holes 206 and are connected with the four pressing blocks 203 through bolts; have the maintenance piece 208 through bolted connection on backplate 201, place and seted up the circular slot on the board 13, there is second hydraulic stem 209 inside of circular slot through bolted connection, pass through bolted connection between the other end of second hydraulic stem 209 and the maintenance piece 208, and set up the round hole of four symmetries on backplate 201, the round hole is located the both sides of maintenance piece 208 respectively, slide bar 210 has all been pegged graft to the inside of four round holes, slide bar 210's one end and place all through bolted connection between the board 13.

The working principle is as follows: the device is applied to a test detection link of a gas valve, the gas inlet pipe 14 is connected with external air blowing equipment before use, and the outlet port 5 is connected with an air tightness detector through a pipeline;

fixing an inlet port 4 and an inlet pipe 14 of a valve to be detected (the inlet port 4 and the inlet pipe 14 are connected and butted, the position of a retention component 20 is adjusted according to the specification of the inlet port 4 of the valve, namely, a second reverse motor 204 is started to drive a third screw rod 205 to rotate, two pull seats 202 are drawn close to the inlet port 4 of the valve until a pressing block 203 moves to a proper position, a second hydraulic rod 209 extends to drive a back plate 201 to be far away from a placing plate 13, the pressing block 203 extrudes and fixes the placed inlet port 4 of the valve), then, a movable base 18 in a functional groove 17 is adjusted according to the position of an outlet port 5 of the valve (a plurality of driving motors are arranged in a test bed 1 and can drive a first screw rod 11 and a second screw rod 21 to rotate, the second screw rod 21 rotates to drive the movable base 18 to move until the outlet pipe 15 is completely contacted with the outlet port 5 of the valve, then, the retention component 20 on the placing plate 13 at the outlet pipe 15 is used for fixing the outlet pipe 15 and fixing the outlet port 5, a limiting rod 19 can limit the moving track of the movable base 18 and support the movable base 18, the adjustable seat 15 and the adjustable knob seat 3 is inserted into a rotary knob disk 2 and then inserted into a rotary disk 601 simulating a knob disk 3 is inserted into a rotary disk 601, so as to simulate a knob disk 3, and then the adjustable knob disk 601, and the adjustable knob disk 601;

during the use, utilize simulation subassembly 6 to change the confined state of valve earlier (first reversal motor 7 drives the rotary rod 602 through the belt and rotates, rotatory protruding the rotatory in-process that inserts 606 and accompany rotary rod 602 drives knob dish 3 and rotates), the ventilation effect of valve under the experimental different confined states, simulation subassembly 6 frequently changes the confined state of valve afterwards (driving knob dish 3 repeatedly promptly and just reversing the operation), the operation to the valve in the simulation reality use, detect the valve under the high-strength high frequency state through going out interface 5 department gas tightness detector afterwards and use the back, whether the gas tightness changes, with this degree of wear of testing the valve.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an automatic test device of valve performance, includes test bench (1), its characterized in that, the spout has been seted up to the upside of test bench (1), and the inside swing joint of spout has regulation seat (2), and is provided with simulation subassembly (6) on adjusting seat (2), the top of test bench (1) is provided with the valve, and the valve includes knob dish (3), advances interface (4) and goes out interface (5), simulation subassembly (6) are including simulation seat (601), swing rod (602) and lower ring (603), and fixed connection between simulation seat (601) and the regulation seat (2), one side fixedly connected with support (604) that is close to the valve on simulation seat (601), and set up the screw hole on support (604), swing joint between swing rod (602) and the screw hole, the lower extreme fixedly connected with (605) of swing rod (602), and lower ring (603) are located the outside of connection pad (605), lower ring (603) and connection pad (605) between fixed connection pad (605), the equidistant fixedly connected with of lower side of lower ring (603) inserts three circumference (606), and the rotatory knob dish (603) is located the top (3).

2. The automatic valve performance testing device according to claim 1, wherein a sliding groove is formed in one side, away from the support (604), of the simulation base (601), a motor frame (9) is movably connected to the inside of the sliding groove, an electric sliding rail (8) is arranged inside the sliding groove, a round hole is formed in the motor frame (9), a first reverse motor (7) is fixedly connected to the inside of the round hole, a rotating shaft is connected to the output end of the first reverse motor (7) through a coupler, a wheel disc (10) is fixedly connected to the other end of the rotating shaft and the top end of the rotating rod (602), and the two wheel discs (10) are movably connected.

3. The automatic testing device for the valve performance according to claim 1, characterized in that a threaded hole is formed in the adjusting seat (2), a first lead screw (11) is movably connected inside the threaded hole, the first lead screw (11) is located inside a sliding groove in the test bed (1), a circular groove is formed in the adjusting seat (2), a first hydraulic rod (12) is fixedly connected inside the circular groove, and the other end of the first hydraulic rod (12) is fixedly connected with the lower side of the simulation seat (601).

4. The automatic testing device for the valve performance according to claim 3, wherein the two sides of the valve are respectively provided with a placing plate (13), the two placing plates (13) are respectively provided with a round hole, an air inlet pipe (14) and an air outlet pipe (15) are fixedly connected to the insides of the two round holes, the air inlet pipe (14) is positioned on one side of the inlet connector (4), and the air outlet pipe (15) is positioned on one side of the outlet connector (5).

5. The automatic valve performance testing device according to claim 4, wherein a fixed frame (16) is fixedly connected to the lower side of the placing plate (13) on the side of the inlet port (4), the fixed frame (16) is fixedly connected to the upper side of the test bed (1), a movable base (18) is fixedly connected to the lower side of the placing plate (13) on the side of the outlet port (5), a functional groove (17) is formed in the upper side of the test bed (1), and the movable base (18) is located inside the functional groove (17).

6. The automatic valve performance testing device according to claim 5, wherein symmetrical round holes are formed in the placing plate (13) located on one side of the outlet (5), limiting rods (19) are movably connected to the insides of the round holes, two ends of each limiting rod (19) are fixedly connected with the inner wall of the corresponding functional groove (17), threaded holes are formed in the placing plate (13), second lead screws (21) are movably connected to the insides of the threaded holes, and the second lead screws (21) are located inside the corresponding functional grooves (17).

7. The automatic testing device for the valve performance is characterized in that the placing plate (13) is provided with the retaining assemblies (20), and the two retaining assemblies (20) are symmetrically distributed.

8. The automatic valve performance testing device according to claim 7, wherein the retention assembly (20) comprises a back plate (201), two pull seats (202) and four pressing blocks (203), the back plate (201) is located on one side, away from the valve, of the placing plate (13), a sliding groove is formed in one side, close to the placing plate (13), of the back plate (201), the two pull seats (202) are movably connected with the inside of the sliding groove, the two pull seats (202) are symmetrically distributed, a second reverse rotation motor (204) is arranged at one end of the sliding groove, an output end of the second reverse rotation motor (204) is connected with a third screw rod (205) through a coupling, threaded holes are formed in the two pull seats (202), and the other end of the third screw rod (205) penetrates through the threaded holes in the two pull seats (202) to be movably connected with the inner wall of one side of the sliding groove.

9. The automatic valve performance testing device according to claim 8, wherein four sliding holes (206) are formed in the placing plate (13), the four sliding holes (206) are symmetrically distributed in pairs, two symmetrical pull rods (207) are fixedly connected to one side of each of the two pull seats (202) close to the placing plate (13), and the other ends of the four pull rods (207) respectively penetrate through the four sliding holes (206) and are fixedly connected with the four pressing blocks (203).

10. The automatic valve performance testing device according to claim 9, wherein a retaining block (208) is fixedly connected to the back plate (201), a circular groove is formed in the placing plate (13), a second hydraulic rod (209) is fixedly connected to the inside of the circular groove, the other end of the second hydraulic rod (209) is fixedly connected to the retaining block (208), four symmetrical circular holes are formed in the back plate (201), the circular holes are respectively located on two sides of the retaining block (208), a sliding rod (210) is movably connected to the inside of each of the four circular holes, and one end of the sliding rod (210) is fixedly connected to the placing plate (13).