CN214502874U

CN214502874U - Valve testing device

Info

Publication number: CN214502874U
Application number: CN202120624733.8U
Authority: CN
Inventors: 陈赟; 杨雨; 周冬; 陈林
Original assignee: Chengdu Kailin Machinery Trade Co ltd
Current assignee: Chengdu Kailin Machinery Trade Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-10-26
Anticipated expiration: 2031-03-26

Abstract

The utility model relates to a valve production experimental facilities technical field, concretely relates to valve test device, including the test platform, test bench is provided with liquid reserve tank, force pump and ring accuse case, ring accuse roof portion is provided with the case lid, is provided with first support piece, second support piece, first adapter, second adapter and first heating unit in the ring accuse incasement, communicating pipe and liquid reserve tank intercommunication are passed through to the entry end of force pump, and the exit end of force pump passes through feed liquor pipe and first coupling hose intercommunication, first coupling hose and first adapter intercommunication, and the second adapter passes through second coupling hose and drain pipe intercommunication, drain pipe and liquid reserve tank intercommunication, are provided with on the lateral wall of ring accuse case and annotate a kind mouth. The utility model discloses not only can simulate the operating condition of experiment valve under specific fluid, can also simulate the specific use scene of valve, can test out the performance of valve under the different work condition, to valve update iteration with higher speed, lift valve production quality has important meaning.

Description

Valve testing device

Technical Field

The utility model relates to a valve production experimental facilities technical field, concretely relates to valve test device.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valves can be divided into valves for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil, liquid metal, radioactive media and the like according to different use environments. In order to ensure the stable use of the valve under different environments, before the valve is subjected to scale production, performance simulation detection needs to be performed on the valve according to a specific use environment, and in the existing valve performance simulation detection system, for example, the valve testing device disclosed in chinese patent publication No. CN212321026U includes a testing valve and a control unit, a water inlet pipe at the front end of the testing valve and a water outlet pipe at the rear end of the testing valve, a first pressure sensor is disposed on the water inlet pipe close to the testing valve, a second pressure sensor is disposed on the water outlet pipe close to the testing valve, the first pressure sensor and the second pressure sensor are connected to the control unit, a water inlet pump on the water inlet pipe is connected to the control unit, and the control unit adjusts the flow rate of the water inlet pump according to the pressure feedback of the first pressure sensor and the second pressure sensor. This testing arrangement is through setting up pressure sensor real-time to pipeline pressure monitoring, adjusts the supply water and electricity of intake pump, reaches the effective test to the valve parameter, but the device uncontrollable valve test environment, the result and the valve in-service use state that this test obtained because service environment's difference will have great difference, is unfavorable for the customization of valve to use.

Therefore, the utility model provides a simple structure, it is convenient to use, can simulate the valve and specifically use the valve test device of scene.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, a valve testing device is provided, through adding test liquid to the liquid reserve tank, control pressure pump work, just can simulate the operating condition of experiment valve under specific fluid, through pouring into specific liquid or gas into to the ring accuse incasement, just can simulate the specific use scene of valve, the pressure variation state and the temperature variation state at real-time detection valve both ends simultaneously, and then test out the performance of valve under the different operating modes, to the more recent iteration of acceleration valve, poppet valve production quality has important meaning.

The purpose of the utility model is realized through the following technical scheme:

a valve testing device comprises a testing platform, wherein a liquid storage box, a pressure pump and an annular control box are arranged on the testing platform, a box cover is arranged at the top of the annular control box, a first supporting piece, a second supporting piece, a first adapter, a second adapter and a first heating unit are arranged in the annular control box, the top of the first supporting piece is detachably connected with the first adapter, the bottom of the first supporting piece is fixedly connected with the bottom wall of the annular control box, the top of the second supporting piece is detachably connected with the second adapter, the bottom of the second supporting piece is slidably connected with the bottom wall of the annular control box, the first adapter and the second adapter are used for connecting and fixing a valve, the inlet end of the pressure pump is communicated with the liquid storage box through a communicating pipe, the outlet end of the pressure pump is communicated with one end of a first connecting hose through a liquid inlet pipe, the other end of the first connecting hose is communicated with the first adapter, the second adapter is communicated with one end of a liquid outlet pipe through a second connecting hose, the other end of the liquid outlet pipe is communicated with the liquid storage tank, and a sample injection port is arranged on the side wall of the environment-control box.

Further, a second heating unit is arranged in the liquid storage tank and used for heating liquid in the liquid storage tank. In the actual use process, when the valve needs to be subjected to performance experiments in a specific environment, the two ends of the valve are fixedly communicated by using the first adapter and the second adapter in the environmental control box, then the valve and the adapter are placed in the environment-friendly box, the box cover is covered, the test liquid is added into the liquid storage box, the pressure pump is controlled to work, the working state of the experimental valve under the specific fluid can be simulated, in addition, the specific use scene of the valve can be simulated by injecting specific liquid or gas into the environmental control box, the pressure change states of the two ends of the valve can be detected in real time through the first pressure detection unit and the second pressure detection unit, the temperature change states of the two ends of the valve are detected in real time through the first temperature detection unit and the second temperature detection unit, and then the performance of the valve under different working conditions is tested, and the production quality of the valve is improved.

Further, the test platform is provided with a vacuum pump, the vacuum pump is communicated with the environmental control box, and the vacuum pump is used for vacuumizing the environmental control box. Preferably, the sample injection port is provided with a control valve, and the control valve is connected with the control module. When the performance test of the valve is required to be simulated under a specific use environment, firstly, the ring control box is vacuumized by the vacuum pump, and then specific liquid or gas is injected into the ring control box through the sample injection port, so that the whole ring control box is filled with the specific liquid or gas in the simulated environment, and the simulation test of the specific use environment is further realized; in addition, the first heating unit can be controlled to work, the temperature of the simulated environment in the ring control box is adjusted, the accuracy of a valve simulation test is improved, and iterative updating of the valve is facilitated.

Furthermore, a liquid adding pipe is arranged on the side wall of the liquid storage tank.

Further, a first pressure detection unit and a first temperature detection unit are arranged on the first adapter, the first pressure detection unit is used for detecting the pressure of the liquid flowing through the first adapter, and the first temperature detection unit is used for detecting the temperature of the liquid flowing through the first adapter.

Further, a second pressure detection unit and a second temperature detection unit are arranged on the second adapter, the second pressure detection unit is used for detecting the pressure of the liquid flowing through the second adapter, and the second temperature detection unit is used for detecting the temperature of the liquid flowing through the second adapter.

Furthermore, a third temperature detection unit is arranged in the environment control box and used for detecting the temperature in the environment control box.

Further, a humidity detection unit is arranged in the environmental control box and used for detecting the humidity in the environmental control box.

Furthermore, a control module and a human-computer interaction module are arranged on the testing table, and the pressure pump, the first heating unit and the human-computer interaction module are respectively connected with the control module. Preferably, the pressure pump, the first heating unit, the second heating unit, the first pressure detection unit, the second pressure detection unit, the first temperature detection unit, the second temperature detection unit, the third temperature detection unit, the humidity detection unit and the human-computer interaction module are respectively connected with the control module, and the human-computer interaction module is used for inputting an operation instruction and checking equipment working information.

Furthermore, the human-computer interaction module is a touch display screen.

Furthermore, a power supply is arranged on the test table and connected with the control module.

Further, first adapter, second adapter structure are the same, and the adapter includes the body, be fluid passage in the body, the right-hand member of body is provided with attach fitting, be provided with the spread groove on the body inner wall of fluid passage left end, the spread groove corresponds and is provided with annular movable groove on the lateral wall of body along the circumference, annular movable inslot is provided with annular control, evenly be provided with a plurality of spacing holes on the inner wall of spread groove at annular movable groove place, spacing downthehole spacing fastener that is provided with, the middle part of spacing fastener is connected with spacing downthehole wall rotation through the pivot, and the top of spacing fastener rotates with annular control to be connected, and annular control is used for controlling spacing fastener to stretch out or withdraw spacing hole.

Further, one end of the connecting groove, which is close to the connecting joint, is provided with an annular sealing element. Through control annular control piece anticlockwise rotation to the second position, let spacing fastener withdraw spacing downthehole, then insert the ring flange of valve one end in the spread groove, and let ring flange and annular seal spare butt, then clockwise rotation annular control piece, let annular control piece rotate to the first position, make spacing fastener stretch out spacing hole, carry out spacing restraint to the ring flange of valve, fix the valve in the spread groove, simultaneously through the cooperation of wedge on annular seal spare and the spacing fastener, realize the sealed intercommunication of valve and fluid passage, let the valve install fast and experiment in the ring accuse case, and then effectively improve the performance test efficiency to the valve.

Further, the annular seal member is made of flexible resin. Because the side wall of the limiting clamping piece close to the annular sealing piece is provided with the wedge pieces, and the annular sealing piece is made of flexible resin, in the process that the limiting clamping piece extends out of the limiting hole, the wedge pieces on the limiting clamping piece gradually act on the flange plate of the valve, the flange plate is pushed to the annular sealing piece, the annular sealing piece is enabled to fully fill the gap between the valve and the fluid channel, and the adapter is enabled to be sealed quickly and stably at the joint when being connected with the valve.

Further, the fluid channel passes through the connector assembly, and the connector assembly is provided with external screw thread along the lateral wall of circumference, and the adapter passes through the connector assembly and first coupling hose or second coupling hose threaded connection.

Further, the annular seal has an inner diameter intermediate the fluid passage inner diameter and the connecting groove inner diameter.

Further, be provided with at least one canceling release mechanical system on the lateral wall of annular movable groove, canceling release mechanical system is including setting up the groove that resets on the lateral wall of annular movable groove, the inslot that resets is provided with the arc mounting, the both ends of arc mounting respectively with the inside fixed connection in groove that resets, the cover is equipped with slider and the elastic component that resets on the arc mounting, the one end and the inslot wall connection that resets of elastic component that resets, the other end and the slider of elastic component that resets are connected, the lateral wall of slider passes through the connecting piece and is connected with annular control. When the adapter and the valve need to be connected, the annular control piece is rotated anticlockwise only to be located at the second position, then the flange plate of the valve is completely inserted into the connecting groove of the adapter, then the annular control piece is loosened, the annular control piece is automatically pushed to rotate clockwise to the first position under the action of the reset elastic piece, the valve is quickly and stably connected with the adapter, and the valve is quickly installed in the annular control box; when the valve is required to be separated from the adapter, the annular control piece is rotated to the second position in the anticlockwise direction, then the valve is easily separated from the adapter, the valve is quickly taken out of the annular control box, and the performance simulation test efficiency of the valve is effectively improved.

Further, under the normal state, the reset elastic piece is in a compression state, applies thrust to the sliding block and pushes the annular control piece to rotate clockwise.

Further, under the normality, the annular control piece is in the first position, and the slider is with keeping away from the groove inner wall butt that resets of reset elastic component, and the bottom part of spacing fastener stretches out spacing hole.

Furthermore, the annular control piece also comprises a second position, when the annular control piece is positioned at the second position, the sliding block compresses the reset elastic piece, and the bottom of the limiting clamping piece is completely positioned in the limiting hole.

The utility model has the advantages that: the utility model discloses valve testing device, through adding test liquid in to the liquid reserve tank, the work of control pressure pump just can simulate the operating condition of experiment valve under specific fluid, through to the ring accuse incasement pour into specific liquid or gas into, just can simulate the specific use scene of valve, the pressure change state and the temperature change state at real-time detection valve both ends simultaneously, and then test out the performance of valve under the different operating modes, to valve update iteration with higher speed, poppet valve production quality has important meaning.

Drawings

Fig. 1 is a schematic structural diagram of the valve testing device of the present invention;

FIG. 2 is a cross-sectional view of the ring box of the present invention;

fig. 3 is a schematic structural diagram of a first adapter of the present invention;

FIG. 4 is a schematic structural view of the limiting hole and the limiting fastener of the present invention;

fig. 5 is a schematic structural view of the ring-shaped control member of the present invention;

in the figure, 1, test table; 2. a liquid storage tank; 3. a pressure pump; 4. a ring control box; 5. a box cover; 6. a first support member; 7. a second support member; 8. a first adapter; 9. a second adapter; 10. a liquid inlet pipe; 11. a first connecting hose; 12. a second connecting hose; 13. a liquid outlet pipe; 14. injecting a sample port; 15. a liquid feeding pipe; 16. a control module; 17. a human-computer interaction module; 801. a pipe body; 802. connecting a joint; 803. a fluid channel; 804. connecting grooves; 805. an annular movable groove; 806. an annular control member; 807. a limiting block; 808. a limiting clamping piece; 809. a reset groove; 810. an arc-shaped fixing piece; 811. a slider; 812. resetting the elastic member; 813. a connecting member; 814. a first pressure detection unit; 815. a first temperature detection unit.

Detailed Description

The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.

As shown in fig. 1 to 5, a valve testing device comprises a testing table 1, wherein a liquid storage tank 2, a pressure pump 3 and a ring control tank 4 are arranged on the testing table 1, a tank cover 5 is arranged at the top of the ring control tank 4, a first support member 6, a second support member 7, a first adapter 8, a second adapter 9 and a first heating unit are arranged in the ring control tank 4, the top of the first support member 6 is detachably connected with the first adapter 8, the bottom of the first support member 6 is fixedly connected with the bottom wall of the ring control tank 4, the top of the second support member 7 is detachably connected with the second adapter 9, the bottom of the second support member 7 is slidably connected with the bottom wall of the ring control tank 4, the first adapter 8 and the second adapter 9 are used for connecting and fixing a valve, the inlet end of the pressure pump 3 is communicated with the liquid storage tank 2 through a communicating pipe, the outlet end of the pressure pump 3 is communicated with one end of a first connecting hose 11 through a liquid inlet pipe 10, the other end of first connecting hose 11 communicates with first adapter 8, and second adapter 9 communicates with the one end of drain pipe 13 through second connecting hose 12, and the other end of drain pipe 13 communicates with liquid reserve tank 2, is provided with on the lateral wall of ring accuse case 4 and annotates a kind mouth 14.

Specifically, be provided with the second heating unit in the liquid reserve tank 2, the second heating unit is used for heating the interior liquid of liquid reserve tank 2. In the actual use process, when a performance experiment needs to be performed on the valve under a specific environment, the two ends of the valve are fixedly communicated by using the first adapter 8 and the second adapter 9 in the ring control box 4, then the valve and the adapters are placed in the ring control box 4, the box cover 5 is covered, the working state of the experimental valve under a specific fluid can be simulated by adding a test liquid into the liquid storage box 2 and controlling the pressure pump 3 to work, in addition, the specific use scene of the valve can be simulated by injecting a specific liquid or gas into the ring control box 4, the pressure change states at the two ends of the valve can be detected in real time by using the first pressure detection unit 814 and the second pressure detection unit, the temperature change states at the two ends of the valve are detected in real time by using the first temperature detection unit 815 and the second temperature detection unit, and the performance of the valve under different working conditions is further tested, the valve production quality is improved by assistance.

Specifically, a vacuum pump is arranged on the test table 1, the vacuum pump is communicated with the environmental control box 4, and the vacuum pump is used for vacuumizing the environmental control box 4. Preferably, the sample injection port 14 is provided with a control valve, and the control valve is connected with a control module 15. When the performance test of the valve is required to be simulated under a specific use environment, firstly, the ring control box 4 is vacuumized by the vacuum pump, and then specific liquid or gas is injected into the ring control box 4 through the sample injection port 14, so that the whole ring control box 4 is filled with the specific liquid or gas in the simulated environment, and the simulation test of the specific use environment is further realized; in addition, the first heating unit can be controlled to work, the temperature of the simulated environment in the regulating and controlling box 4 can be regulated, the accuracy of the valve simulation test is improved, and the iterative updating of the valve is facilitated.

Specifically, a liquid feeding pipe 15 is arranged on the side wall of the liquid storage tank 2.

Specifically, the first adapter 8 is provided with a first pressure detection unit 814 and a first temperature detection unit 815, the first pressure detection unit 814 is configured to detect the pressure of the liquid flowing through the first adapter 8, and the first temperature detection unit 815 is configured to detect the temperature of the liquid flowing through the first adapter 8.

Specifically, the second adapter 9 is provided with a second pressure detection unit for detecting the pressure of the liquid flowing through the second adapter 9 and a second temperature detection unit for detecting the temperature of the liquid flowing through the second adapter 9.

Specifically, a third temperature detection unit is arranged in the environmental control box 4, and the third temperature detection unit is used for detecting the temperature in the environmental control box 4.

Specifically, be provided with humidity detection unit in the environmental control case 4, humidity detection unit is used for detecting the humidity in the environmental control case 4.

Specifically, the testing table 1 is provided with a control module 16 and a human-computer interaction module 17, and the pressure pump 3, the first heating unit and the human-computer interaction module 17 are respectively connected with the control module 16. Preferably, the pressure pump 3, the first heating unit, the second heating unit, the first pressure detecting unit 814, the second pressure detecting unit, the first temperature detecting unit 815, the second temperature detecting unit, the third temperature detecting unit, the humidity detecting unit and the human-computer interaction module 17 are respectively connected to the control module 16, and the human-computer interaction module 17 is configured to input an operation instruction and view device working information.

Specifically, the human-computer interaction module 17 is a touch display screen.

Specifically, the testing table 1 is provided with a power supply, and the power supply is connected with the control module 16. Preferably, the tops of the first support 6 and the second support 7 are respectively provided with a clamping piece, and the supports clamp and fix the first adapter 8 or the second adapter 9 through the clamping pieces. Preferably, the bottom of the second supporting part 7 is provided with a sliding part, the bottom wall of the ring control box 4 is embedded with a sliding groove, the sliding part is arranged in the sliding groove, and the second supporting part 7 moves close to or far away from the first supporting part 6 along the sliding groove through the matching of the sliding part and the sliding groove. By moving the second support 7, the distance between the first adapter 8 and the second adapter 9 can be adapted to valves of different sizes, and correspondingly, for valves of different sizes, adapters of suitable sizes can be selected for the connection fixation.

Specifically, the first adapter 8 and the second adapter 9 have the same structure, the first adapter 8 includes a pipe body 801, a fluid passage 803 is arranged in the pipe body 801, a connection joint 802 is arranged at the right end of the pipe body 801, a connection groove 804 is arranged on the inner wall of the pipe body 801 at the left end of the fluid passage 803, an annular movable groove 805 is arranged on the circumferential side wall of the connection groove 804 corresponding to the pipe body 801, an annular control member 806 is arranged in the annular movable groove 805, a plurality of limit holes 807 are uniformly arranged on the inner wall of the connection groove 804 where the annular movable groove 805 is located, a limit fastener 808 is arranged in the limit hole 807, the middle of the limit fastener 808 is rotatably connected with the inner wall of the limit hole 807 through a rotating shaft, the top of the limit fastener 808 is rotatably connected with the annular control member 806, and the annular control member 806 is used for controlling the limit fastener 808 to extend out or retract into the limit hole 807.

Specifically, an end of the connection groove 804 near the connection joint 802 is provided with an annular seal. Rotate to the second position through control annular control piece 806 anticlockwise, let spacing fastener 808 withdraw in the spacing hole 807, then insert the ring flange of valve one end in spread groove 804, and let ring flange and annular seal spare butt, then clockwise rotation annular control piece 806, let annular control piece 806 rotate to the first position, make spacing fastener 808 stretch out spacing hole 807, carry out spacing restraint to the ring flange of valve, fix the valve in spread groove 804, simultaneously through the cooperation of the wedge on annular seal spare and the spacing fastener 808, realize the sealed intercommunication of valve and fluid passage 803, let the valve install fast and experiment in the ring accuse case 4, and then effectively improve the performance test efficiency to the valve.

Specifically, the annular seal member is made of flexible resin. Because the side wall of the limit clamping piece 808 close to the annular sealing element is provided with the wedge, and the annular sealing element is made of flexible resin, in the process that the limit clamping piece 808 extends out of the limit hole 807, the wedge on the limit clamping piece 808 acts on the flange of the valve gradually, the flange is pushed to the annular sealing element, the gap between the valve and the fluid channel 803 is fully filled by the annular sealing element, and the adapter is enabled to be sealed quickly and stably at the joint when being connected with the valve.

Specifically, the fluid passage 803 is provided through the connection fitting 802, the connection fitting 802 is provided with external threads along a circumferential side wall thereof, and the adaptor is threadedly coupled to the first connection hose 11 or the second connection hose 12 through the connection fitting 802.

In particular, the inner diameter of the annular seal is intermediate the inner diameter of the fluid passage 803 and the inner diameter of the connecting groove 804.

Specifically, at least one reset mechanism is arranged on the side wall of the annular movable groove 805, the reset mechanism comprises a reset groove 809 arranged on the side wall of the annular movable groove, an arc-shaped fixing member 810 is arranged in the reset groove 809, two ends of the arc-shaped fixing member 810 are respectively fixedly connected with the inside of the reset groove 809, a sliding block 811 and a reset elastic member 812 are sleeved on the arc-shaped fixing member 810, one end of the reset elastic member 812 is connected with the inner wall of the reset groove 809, the other end of the reset elastic member 812 is connected with the sliding block 811, and the side wall of the sliding block 811 is connected with the annular control member 806 through a connecting member 813. When the adapter and the valve need to be connected, the annular control member 806 is rotated anticlockwise to enable the annular control member 806 to be in the second position, then the flange plate of the valve is completely inserted into the connecting groove 804 of the adapter, then the annular control member 806 is loosened, and under the action of the reset elastic member 812, the annular control member 806 is automatically pushed to rotate clockwise to the first position, so that the valve is quickly and stably connected with the adapter, and the valve is quickly installed in the annular control box 4; when the valve is required to be separated from the adapter, the annular control piece 806 only needs to be rotated anticlockwise to the second position, then the valve can be easily separated from the adapter, the valve can be quickly taken out of the annular control box 4, and the performance simulation test efficiency of the valve is effectively improved.

Specifically, in a normal state, the return elastic member 812 is in a compressed state, and applies a pushing force to the slider 811 to push the ring-shaped control member 806 to rotate clockwise.

Specifically, in a normal state, the annular control member 806 is in the first position, the slider 811 abuts against the inner wall of the reset groove 809 away from the reset elastic member 812, and the bottom portion of the limit catch 808 extends out of the limit hole 807.

Specifically, the ring-shaped control member 806 further includes a second position, when the ring-shaped control member 806 is at the second position, the slide block 811 compresses the return elastic member 812, and the bottom of the limit catch 808 is completely located in the limit hole 807. Preferably, a linkage hole is formed in the top of the limiting clamping piece 808, a linkage rod is arranged in the linkage hole, two ends of the linkage rod are connected with the annular control piece 806, when the annular control piece 806 rotates, the annular control piece 806 drives the limiting clamping piece 808 to rotate, and the linkage rod moves in the linkage hole in the radial direction.

When the environment simulation experiment is needed to be carried out on the valve, the two ends of the valve are fixedly communicated by the first adapter 8 and the second adapter 9 in the ring control box 4, then the valve and the adapters are placed in the ring control box 4, the box cover 5 is covered, the pressure pump 3 is controlled to work by adding test liquid into the liquid storage box 2, the working state of the experimental valve under specific fluid can be simulated, in addition, the specific use scene of the valve can be simulated by injecting specific liquid or gas into the ring control box 4, the pressure change states at the two ends of the valve can be detected in real time by the first pressure detection unit 814 and the second pressure detection unit, the temperature change states at the two ends of the valve are detected in real time by the first temperature detection unit 815 and the second temperature detection unit, a user can input an operation instruction through the man-machine interaction module 17, the control module 16 makes a corresponding operation instruction, the work of adjusting force pump 3, first heating unit, second heating unit or vacuum pump changes the operating condition of valve, and then tests the performance of valve under the different work condition, and the helping hand promotes in valve production quality.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A valve testing device is characterized by comprising a testing platform, wherein a liquid storage box, a pressure pump and an annular control box are arranged on the testing platform, a box cover is arranged at the top of the annular control box, a first supporting piece, a second supporting piece, a first adapter, a second adapter and a first heating unit are arranged in the annular control box, the top of the first supporting piece is detachably connected with the first adapter, the bottom of the first supporting piece is fixedly connected with the bottom wall of the annular control box, the top of the second supporting piece is detachably connected with the second adapter, the bottom of the second supporting piece is slidably connected with the bottom wall of the annular control box, the first adapter and the second adapter are used for connecting and fixing a valve, the inlet end of the pressure pump is communicated with the liquid storage box through a communicating pipe, the outlet end of the pressure pump is communicated with one end of a first connecting hose through a liquid inlet pipe, and the other end of the first connecting hose is communicated with the first adapter, the second adapter passes through the one end intercommunication of second coupling hose and drain pipe, and the other end and the liquid reserve tank intercommunication of drain pipe are provided with on the lateral wall of ring accuse case and annotate a kind mouth.

2. The valve testing apparatus of claim 1, wherein a second heating unit is disposed in the reservoir for heating the liquid in the reservoir.

3. The valve testing apparatus of claim 1, wherein a filler tube is disposed on a sidewall of the reservoir.

4. The valve testing apparatus of claim 1, wherein the first adapter is provided with a first pressure detecting unit and a first temperature detecting unit, the first pressure detecting unit is configured to detect a pressure of the fluid flowing through the first adapter, and the first temperature detecting unit is configured to detect a temperature of the fluid flowing through the first adapter.

5. The valve testing apparatus of claim 1, wherein the second adapter is provided with a second pressure detecting unit and a second temperature detecting unit, the second pressure detecting unit is used for detecting the pressure of the liquid flowing through the second adapter, and the second temperature detecting unit is used for detecting the temperature of the liquid flowing through the second adapter.

6. The valve testing apparatus of claim 1, wherein a third temperature detecting unit is disposed in the environmental control box, and the third temperature detecting unit is configured to detect a temperature in the environmental control box.

7. The valve testing apparatus of claim 1, wherein a humidity detection unit is disposed in the environmental control chamber, and the humidity detection unit is configured to detect humidity in the environmental control chamber.

8. The valve testing device of claim 1, wherein a control module and a human-computer interaction module are disposed on the testing table, and the pressure pump, the first heating unit and the human-computer interaction module are respectively connected to the control module.

9. The valve testing device of claim 8, wherein the human-computer interaction module is a touch screen.

10. The valve testing device of claim 8, wherein a power source is provided on the testing platform, and the power source is connected to the control module.