CN220568407U - Pressure reducing valve test bench - Google Patents
Pressure reducing valve test bench Download PDFInfo
- Publication number
- CN220568407U CN220568407U CN202321837618.4U CN202321837618U CN220568407U CN 220568407 U CN220568407 U CN 220568407U CN 202321837618 U CN202321837618 U CN 202321837618U CN 220568407 U CN220568407 U CN 220568407U
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- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 description 8
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model relates to the technical field of valve detection, and discloses a pressure reducing valve test table which comprises a frame, wherein a workbench and a pressure detection box are arranged on the frame, a first positioning clamp assembly and a second positioning clamp assembly are fixedly arranged on the workbench, the first positioning clamp assembly comprises a clamp seat, one end of the clamp seat is provided with a placing block, the other end of the clamp seat is horizontally connected with a plugging cylinder through a cylinder fixing plate, the output end of the plugging cylinder is connected with a plug, an air inlet hole and a connecting hole are formed in the plug, the second positioning clamp assembly comprises a fixing seat, a connecting tube head, a switch seat and an air outlet hole connected with an air outlet pipe, a high-pressure gauge, an electronic digital display pressure gauge and a flowmeter are arranged on the pressure detection box, the high-pressure gauge is connected with an air inlet pipe, the electronic digital display pressure gauge and the flowmeter are connected with the air outlet pipe, air is output from the connecting air pipe on a pressure reducing valve body, and the air pressure detection box can judge the air tightness and the air pressure stability condition of the pressure reducing valve through detecting the output pressure.
Description
Technical Field
The utility model relates to the technical field of valve detection, in particular to a pressure reducing valve test board.
Background
The pressure reducing valve is used for reducing the inlet pressure to a certain required outlet pressure under the condition that the inlet pressure is continuously changed, and the outlet pressure and the temperature value are kept within a certain range by depending on the energy of a medium; from the viewpoint of fluid mechanics, the pressure reducing valve is a throttling element with variable local resistance, namely, the flow speed and the kinetic energy of fluid are changed by changing the throttling area, so that different pressure losses are caused, and the aim of reducing pressure is achieved; in the actual production process, the defects of sand holes and the like of the valve body caused by the casting mould can cause the conditions of air leakage, unbalanced pressure and the like of the pressure reducing valve in the subsequent production and assembly, and the pressure reducing valve is directly used on equipment and is extremely easy to cause accidents, so that the air tightness and the stability of the pressure reducing valve are required to be detected.
At present, a gas pressure reducing valve is generally arranged on a gas main pipeline and has the functions of reducing and stabilizing pressure on gas, and is an indispensable device on a field pipeline using gas equipment.
Disclosure of Invention
The utility model aims to solve the technical problems of overcoming the defects in the prior art and providing a pressure reducing valve test board aiming at the sealing performance of a connecting air pipe on a gas pressure reducing valve body.
The technical scheme of the utility model is as follows: the utility model provides a relief pressure valve testboard, includes the frame, be provided with workstation and pressure detection vanning in the frame, fixed first positioning fixture subassembly and the second positioning fixture subassembly of being provided with on the workstation, first positioning fixture subassembly includes the anchor clamps seat, anchor clamps seat one end is provided with places the piece, and the other end is connected with stifled tight cylinder through cylinder fixed plate level, the output of stifled tight cylinder is connected with the end cap, be provided with inlet port and the connecting hole with air inlet connection on the end cap, the second positioning fixture subassembly includes the fixing base, sets up connecting tube head, switch seat on the fixing base and the venthole of being connected with the outlet duct, be provided with high-voltage gauge, electronic digital display table and flowmeter on the pressure detection vanning with air inlet connection, electronic digital display table with the flowmeter with the outlet duct is connected.
According to the technical scheme, the placing block is used for placing the pressure reducing valve, the plug is used for plugging the air inlet end of the pressure reducing valve under the driving of the plugging cylinder, the air inlet hole is used for introducing high-pressure air through the air inlet pipe, the connecting hole is used for communicating the air inlet end of the pressure reducing valve, the first positioning clamp assembly is used for introducing high-pressure air after plugging the air inlet of the pressure reducing valve, the connecting pipe seat is used for connecting the connecting air pipe on the pressure reducing valve, the high-pressure meter is communicated with the air inlet pipe, the high-pressure gas pressure injected by the air inlet pipe is controlled and displayed, the flowmeter is used for measuring the flow rate of the connecting air pipe, the second positioning clamp assembly is used for plugging the air outlet of the pressure reducing valve, the air inlet pipe can be used for injecting air into the air inlet of the pressure reducing valve, the air can flow through the air outlet of the pressure reducing valve after being depressurized through the pressure reducing valve, the air pressure detecting box can be used for judging the air tightness and the air pressure stability condition of the pressure reducing valve through the air outlet pipe, and the air pressure detecting efficiency is high.
The plug is in a cylindrical shape, the air inlet hole is formed in the outer circumferential surface of the plug, the connecting hole is formed in the end face of the plug, and the air inlet hole is communicated with the connecting hole. Therefore, the connecting hole is used for driving the plug to extend out by the plugging cylinder and then connecting with the air inlet pipe orifice of the pressure reducing valve.
The pressure detection box is internally provided with a first electromagnetic valve and a second electromagnetic valve, the pressure detection box is provided with a first pressure regulating knob connected with the first electromagnetic valve and a second pressure regulating knob connected with the second electromagnetic valve, the bottom of the frame is provided with an air source, and the air source is respectively connected with the first electromagnetic valve and the second electromagnetic valve through an air inlet pipe. It follows that the first pressure regulating knob is connected with the first solenoid valve for regulating high pressure, and the second pressure regulating knob is connected with the second solenoid valve for regulating low pressure.
The placing block is provided with a placing groove. It follows that the pressure reducing valve is fixedly placed by the placing groove.
The switch seat comprises a communication short pipe and a switch wrench arranged on the communication short pipe, fastening nuts are arranged at two ends of the communication short pipe, the communication short pipe is respectively communicated with the air outlet hole and the connecting pipe head, and the communication short pipe is connected with the flowmeter through a flow pipe. Therefore, the switch spanner is used for controlling the on-off of the communication short pipe.
And the pressure detection box is also provided with a U-shaped pressure gauge. Therefore, the U-shaped pressure gauge is convenient for checking the electronic digital display meter, and errors of results are avoided.
The workbench is provided with a plurality of mounting through holes for inserting the air inlet pipe and the air outlet pipe. Therefore, the air inlet pipe and the air outlet pipe are connected with the first electromagnetic valve and the second electromagnetic valve through the mounting through holes.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a first positioning fixture assembly;
FIG. 3 is a schematic structural view of a second localization fixture assembly;
FIG. 4 is a cross-sectional view of a second localization fixture assembly;
fig. 5 is a schematic diagram of the connection of the present utility model.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1 to 5, the utility model relates to a pressure reducing valve test bench, which comprises a frame 1, wherein a workbench 2 and a pressure detection box 3 are arranged on the frame 1, a first positioning clamp assembly 4 and a second positioning clamp assembly 5 are fixedly arranged on the workbench 2, the first positioning clamp assembly 4 comprises a clamp seat 41, one end of the clamp seat 41 is provided with a placement block 42, a placement groove 421 is arranged on the placement block 42, the other end of the placement block is horizontally connected with a plugging cylinder 44 through a cylinder fixing plate 43, the output end of the plugging cylinder 44 is connected with a plug 45, the plug 45 is driven by the plugging cylinder 44 to move towards the placement block 42 to realize feeding movement, an air inlet hole 46 and a connecting hole 47 which are connected with an air inlet pipe are arranged on the plug 45, the second positioning clamp assembly 5 comprises a fixing seat 51, a connecting pipe head 52 arranged on the fixing seat 51, a switch seat 53 and an air outlet hole 54 which is connected with an air outlet pipe, a high-pressure meter 6, an electronic digital display meter 7 and a flowmeter 8 are arranged on the pressure detection box 3, the pressure detection box 3 is further provided with an air inlet pipe 7 and an electronic meter 21 which is connected with the air inlet pipe 7, and the air inlet pipe 7 is provided with the air inlet pipe 7.
In the present embodiment, the reference numeral of the relief valve body is 100, and the reference numeral of the connecting air pipe is 200.
The plug 45 is in a cylindrical shape, the air inlet hole 46 is formed in the outer circumferential surface of the plug 45, the connecting hole 47 is formed in the end face of the plug 45, and the air inlet hole 46 is communicated with the connecting hole 47.
The pressure detection box 3 is internally provided with a first electromagnetic valve and a second electromagnetic valve, the pressure detection box 3 is provided with a first pressure regulating knob 31 connected with the first electromagnetic valve and a second pressure regulating knob 32 connected with the second electromagnetic valve, the bottom of the frame 1 is provided with an air source, and the air source is respectively connected with the first electromagnetic valve and the second electromagnetic valve through an air inlet pipe.
The switch seat 53 comprises a communication short pipe 531 and a switch wrench 532 arranged on the communication short pipe 531, fastening nuts 533 are arranged at two ends of the communication short pipe 531, the communication short pipe 531 is respectively communicated with the air outlet hole 54 and the connecting pipe head 52, and the communication short pipe 531 is connected with the flowmeter 8 through a flow pipeline. In this embodiment, the communicating stub 531 is detachably connected to the fixing base 51.
The working flow of the utility model is as follows: the vacuum valve body 100 is placed on the placement block 42 through the placement groove 421, the plug 45 is driven by the plugging cylinder 44 to move towards the placement block 42 to realize feeding movement, the connecting hole 47 on the plug 45 is communicated with the air inlet of the vacuum valve body 100, the connecting air pipe 200 is connected with the connecting pipe head 52, the air inlet hole 46 on the plug 45 is connected with the air inlet pipe, the air outlet hole 54 on the fixing seat 51 is connected with the air outlet pipe, high-pressure gas is introduced, the high-pressure gauge 6 displays the pressure of the introduced high-pressure gas, the electronic digital display meter 7 displays the pressure value at the outlet end of the connecting air pipe 200, and the air tightness and the air pressure stability condition of the connecting air pipe 200 on the vacuum valve body 200 are judged according to the displayed pressure value.
Finally, it should be emphasized that the above description is not intended to limit the utility model, but rather that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the utility model, and any modifications, equivalents, improvements, etc. are intended to be included within the scope of the present utility model.
Claims (7)
1. A relief valve testboard which characterized in that: including frame (1), be provided with workstation (2) and pressure detection case (3) on frame (1), fixed first positioning jig subassembly (4) and second positioning jig subassembly (5) of being provided with on workstation (2), first positioning jig subassembly (4) are including anchor clamps seat (41), anchor clamps seat (41) one end is provided with places piece (42), and the other end is connected with stifled tight cylinder (44) through cylinder fixed plate (43) level, the output of stifled tight cylinder (44) is connected with end cap (45), be provided with inlet port (46) and connecting hole (47) with air inlet connection on end cap (45), second positioning jig subassembly (5) are including fixing base (51), set up connecting pipe head (52) on fixing base (51), switch seat (53) and air outlet hole (54) be connected with the outlet duct, be provided with high-pressure gauge (6), electronic digital display table (7) and flowmeter (8) on pressure detection case (3), high-pressure gauge (6) with electronic display table (7) and flowmeter (8) are connected with the outlet duct.
2. The pressure relief valve test stand of claim 1, wherein: the plug (45) is in a cylindrical shape, the air inlet hole (46) is formed in the outer circumferential surface of the plug (45), the connecting hole (47) is formed in the end face of the plug (45), and the air inlet hole (46) is communicated with the connecting hole (47).
3. The pressure relief valve test stand of claim 1, wherein: the pressure detection box (3) is internally provided with a first electromagnetic valve (31) and a second electromagnetic valve (32), the bottom of the frame (1) is provided with an air source, and the air source is respectively connected with the first electromagnetic valve (31) and the second electromagnetic valve (32) through an air inlet pipe.
4. The pressure relief valve test stand of claim 1, wherein: the placement block (42) is provided with a placement groove (421).
5. The pressure relief valve test stand of claim 1, wherein: the switch seat (53) comprises a communication short pipe (531) and a switch wrench (532) arranged on the communication short pipe (531), fastening nuts (533) are arranged at two ends of the communication short pipe (531), the communication short pipe (531) is respectively communicated with the air outlet hole (54) and the connecting pipe head (52), and the communication short pipe (531) is connected with the flowmeter (8) through a flow pipeline.
6. The pressure relief valve test stand of claim 1, wherein: the pressure detection box (3) is also provided with a U-shaped pressure gauge (9).
7. The pressure relief valve test stand of claim 1, wherein: the workbench (2) is provided with a plurality of mounting through holes (21) for inserting the air inlet pipe and the air outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321837618.4U CN220568407U (en) | 2023-07-13 | 2023-07-13 | Pressure reducing valve test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321837618.4U CN220568407U (en) | 2023-07-13 | 2023-07-13 | Pressure reducing valve test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220568407U true CN220568407U (en) | 2024-03-08 |
Family
ID=90090742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321837618.4U Active CN220568407U (en) | 2023-07-13 | 2023-07-13 | Pressure reducing valve test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220568407U (en) |
-
2023
- 2023-07-13 CN CN202321837618.4U patent/CN220568407U/en active Active
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