High-precision flow regulating valve test board

Abstract

The utility model belongs to the technical field of valve testboards, in particular to a high-precision flow regulating valve testboard, which comprises a testboard main body and a valve interface, the valve interface is fixed on the upper side of the testboard main body, a sealing ring is fixed on the upper side of the valve interface, and the lower side of the valve interface is connected with a pressure pipe. According to the high-precision flow regulation valve test board, when a valve to be tested is installed on the valve test board, the screwed joint and the pressure supply equipment are connected together, so that the pressure supply equipment can provide pressure for the valve interface through the pressure pipe and the pressure branch pipe, the valve is placed on the upper side of the valve interface, and the double-shaft motor is started; the inclined surface of the clamping plate extrudes the connecting flange of the valve, and the connecting flange of the valve moves downwards to extrude the sealing ring, so that the valve and the valve interface form a sealing state through the sealing ring, and the high-precision flow regulating valve test board is convenient for quickly installing the valve to be tested.

Description

Technical Field

[0001] The utility model relates to the technical field of valve test benches, in particular to a high-precision flow regulating valve test bench. Background Art

[0002] High-precision flow control valve test bench is used to perform various performance tests on valves to ensure their reliability and safety in actual use. The principle of the valve test bench is to simulate actual working conditions to perform various performance tests on valves. The test bench usually includes a pressure source, flow meter, temperature sensor and control system to detect the valve, which can help manufacturers and users verify the quality of the valve and ensure its performance and safety in actual application.

[0003] The valve test bench uses high-precision flow meters, such as electromagnetic flow meters, vortex flow meters or ultrasonic flow meters. These flow meters have high measurement accuracy and good repeatability, and can accurately measure the flow rate to test the valve. When the valve to be tested is installed on the valve test bench, appropriate tools are required, generally multiple bolts, nuts or clamps are used to restrict the valve and the test bench interface together, making it more troublesome to install the valve to be tested on the valve test bench. Therefore, we propose a high-precision flow control valve test bench. Utility Model Content

[0004] The purpose of the present utility model is to provide a high-precision flow regulating valve test bench to solve the problem proposed in the above-mentioned background technology that when the valve test bench is installed with the valve to be tested, appropriate tools need to be used, generally multiple bolts, nuts or clamps are used to restrict the valve and the test bench interface together, making it more troublesome to install the valve to be tested on the valve test bench.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision flow regulating valve test bench, comprising a test bench main body and a valve interface, a valve interface fixed on the upper side of the test bench main body, and a sealing ring fixed on the upper side of the valve interface, a pressure pipe connected to the lower side of the valve interface, the pressure pipe is connected to the interior of the test bench main body, and a pressure branch pipe is connected to one side of the pressure pipe, one end of the pressure branch pipe extends out of the interior of the test bench main body, one end of the pressure branch pipe is fixed to the connecting hose, and a threaded joint is fixed to one end of the pressure branch pipe.

[0006] Preferably, clamping plates are respectively provided on both sides of the valve interface, and a slider is fixed on the lower side of the clamping plates.

[0007] Preferably, a sliding groove is provided on a side of the test bench body close to the slider, and the slider is slidably docked with the sliding groove.

[0008] Preferably, a screw rod passes through the interior of the slider, and a transmission assembly is provided at one end of the screw rod.

[0009] Preferably, the transmission assembly includes gears and toothed belts, and the gears of the transmission assembly are fixed to the screw and the output end of the dual-axis motor respectively.

[0010] Preferably, the screw and the gear of the transmission assembly are movably connected to the test bench body through bearings respectively.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: when the valve to be tested is installed on the valve test bench, the threaded joint is connected to the pressure supply equipment, so that the pressure supply equipment can provide pressure to the valve interface through the pressure pipe and the pressure branch pipe, the valve is placed on the upper side of the valve interface, the dual-axis motor is started, the inclined surface of the splint is squeezed against the connecting flange of the valve, and the connecting method of the valve is moved down and squeezed against the sealing ring, so that the valve is sealed with the valve interface through the sealing ring, so that the high-precision flow regulating valve test bench is convenient for quickly installing the valve to be tested. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the three-dimensional structure of the test bench body and valve interface of the utility model;

[0013] Figure 2 This is a schematic diagram of the three-dimensional structure of the valve interface and splint of the utility model;

[0014] Figure 3 For this utility model Figure 1 Schematic diagram of the locally enlarged structure at point A in the middle.

[0015] In the figure: 1. Test bench body; 2. Valve interface; 201. Sealing ring; 202. Pressure pipe; 2021. Pressure branch pipe; 203. Connecting hose; 204. Threaded joint; 205. Clamp; 206. Slider; 207. Slide; 208. Screw; 209. Transmission assembly; 210. Dual-axis motor. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] See also Figure 1-Figure 3The utility model provides a technical solution: a high-precision flow regulating valve test bench, including a test bench main body 1 and a valve interface 2, the valve interface 2 is fixed on the upper side of the test bench main body 1, and a sealing ring 201 is fixed on the upper side of the valve interface 2, and a pressure pipe 202 is connected to the lower side of the valve interface 2, the pressure pipe 202 is connected to the interior of the test bench main body 1, and one side of the pressure pipe 202 is connected to a pressure branch pipe 2021, one end of the pressure branch pipe 2021 extends out of the interior of the test bench main body 1, one end of the pressure branch pipe 2021 is fixed to the connecting hose 203, and a threaded joint 204 is fixed to one end of the pressure branch pipe 2021, and clamps 205 are respectively provided on both sides of the valve interface 2, and a slider 206 is fixed to the lower side of the clamp 205. A slide groove 207 is provided on the side of the test bench body 1 close to the slider 206, and the slider 206 slides and docks with the slide groove 207. A screw 208 runs through the interior of the slider 206, and a transmission assembly 209 is provided at one end of the screw 208. The transmission assembly 209 includes a gear and a toothed belt, and the gears of the transmission assembly 209 are respectively fixed to the screw 208 and the output end of the dual-axis motor 210. The screw 208 and the gears of the transmission assembly 209 are respectively movably connected to the test bench body 1 through bearings. The sealing ring 201 is made of rubber, the slider 206 matches the slide groove 207, the slider 206 is threadedly connected to the screw 208, and the thread directions of the two screws 208 are in opposite directions. The gears and toothed belts of the transmission assembly 209 are meshed and docked.

[0018] In specific implementation, according to Figure 1-Figure 3, the valve test bench uses high-precision flow meters, such as electromagnetic flow meters, vortex flow meters or ultrasonic flow meters. These flow meters have high measurement accuracy and good repeatability, and can accurately measure the flow rate to detect the valve. When the valve to be tested is installed on the valve test bench, the connecting hose 203 can be deformed to make the threaded joint 204 easy to adjust its position and connect it to the pressure supply equipment, so that the pressure supply equipment can provide pressure to the valve interface 2 through the pressure pipe 202 and the pressure branch pipe 2021, and the valve is placed on the upper side of the valve interface 2, and the connecting flange of the valve is placed on the outside of the valve interface 2, and the dual-axis motor 210 is started, so that the output end of the dual-axis motor 210 drives the gear of the transmission component 209 to rotate, and the gear and the toothed belt of the transmission component 209 are engaged and connected, so that the dual-axis motor 210 can be driven by the transmission component 209. The movable screw 208 rotates, and the slider 206 matches the slide groove 207, so that the slider 206 will not rotate with the screw 208. The slider 206 is threadedly connected to the screw 208, and the thread directions of the two screws 208 are in opposite directions, so that the two sliders 206 can slide along the slide groove 207, so that the two sliders 206 are close to or away from each other. When the two sliders 206 are close to each other, the sliders 206 can respectively drive the two splints 205 to approach each other, so that the inclined surface of the splint 205 is squeezed against the connecting flange of the valve, so that the connection method of the valve moves down and squeezes the sealing ring 201. The sealing ring 201 is made of rubber material with a certain deformation ability, so that the valve is sealed with the valve interface 2 through the sealing ring 201, so that the high-precision flow control valve test bench is convenient for quickly installing the valve to be tested.

[0019] To sum up, when the valve to be tested is installed on the valve test bench, the threaded joint 204 is connected to the pressure supply equipment so that the pressure supply equipment can provide pressure to the valve interface 2 through the pressure pipe 202 and the pressure branch pipe 2021. The valve is placed on the upper side of the valve interface 2, and the dual-axis motor 210 is started to squeeze the inclined surface of the splint 205 against the connecting flange of the valve, and the connecting method of the valve is moved down and squeezed against the sealing ring 201, so that the valve forms a sealed state with the valve interface 2 through the sealing ring 201, so that the high-precision flow control valve test bench is convenient for quickly installing the valve to be tested. The contents not described in detail in this description belong to the existing technology known to professional and technical personnel in this field.

[0020] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A high-precision flow control valve test bench, comprising a test bench body (1) and a valve interface (2), characterized in that: A valve interface (2) is fixed on the upper side of the test bench body (1), and a sealing ring (201) is fixed on the upper side of the valve interface (2); a pressure pipe (202) is connected to the lower side of the valve interface (2); the pressure pipe (202) is connected to the interior of the test bench body (1), and one side of the pressure pipe (202) is connected to a pressure branch pipe (2021); one end of the pressure branch pipe (2021) extends out of the interior of the test bench body (1); one end of the pressure branch pipe (2021) is fixed to a connecting hose (203), and one end of the pressure branch pipe (2021) is fixed to a threaded joint (204).

2. A high-precision flow control valve test bench according to claim 1, characterized in that: Clamping plates (205) are respectively provided on both sides of the valve interface (2), and a sliding block (206) is fixed on the lower side of the clamping plate (205).

3. The high-precision flow control valve test bench according to claim 1, characterized in that: A sliding groove (207) is provided on one side of the test bench body (1) close to the slider (206), and the slider (206) and the sliding groove (207) are slidably docked.

4. A high-precision flow control valve test bench according to claim 3, characterized in that: A screw rod (208) passes through the interior of the slider (206), and a transmission assembly (209) is provided at one end of the screw rod (208).

5. The high-precision flow control valve test bench according to claim 4, characterized in that: The transmission assembly (209) includes a gear and a toothed belt, and the gears of the transmission assembly (209) are respectively fixed to the screw (208) and the output end of the dual-axis motor (210).

6. A high-precision flow control valve test bench according to claim 5, characterized in that: The screw (208) and the gear of the transmission assembly (209) are movably connected to the test bench body (1) through bearings.

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