CN116067586B - Valve test bed - Google Patents
Valve test bed Download PDFInfo
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- CN116067586B CN116067586B CN202310210182.4A CN202310210182A CN116067586B CN 116067586 B CN116067586 B CN 116067586B CN 202310210182 A CN202310210182 A CN 202310210182A CN 116067586 B CN116067586 B CN 116067586B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Details Of Valves (AREA)
Abstract
The invention relates to the technical field of valve hydrostatic tests, in particular to a valve test bed, which comprises: the tool guide table, the clamping disc, the valve body sealing assembly and the test pressing box are fixedly arranged on the surface of the tool guide table, a first driving part and a second driving part which are perpendicular to each other are arranged on the surface of the tool guide table, a lead screw is fixedly connected to the output ends of the first driving part and the second driving part, a first sliding table and a second sliding table are respectively arranged on the surface of the lead screw, a sliding rail table is arranged on the surface of the tool guide table, the valve body sealing assembly is arranged on the surface of the sliding rail table in a sliding mode, and the valve body sealing assembly is fixed on the surface of the second sliding table. According to the automatic valve tool test bed structure, the first driving part and the second driving part on the surface of the tool guide bed are used for respectively driving the test pressure box and the clamping disc to be attached to the surface of the valve body to be tested, so that sealing joint of two ends of the valve body and positioning clamping of the valve body are respectively realized, automatic tool and pressure testing of the valve body are realized, and the testing work efficiency is improved.
Description
Technical Field
The invention relates to the technical field of valve hydrostatic tests, in particular to a valve test bed.
Background
The valve is used as an important part for carrying out on-off regulation in the gas circuit pipeline, in order to ensure the working safety of the gas circuit pipeline, the valve is required to be subjected to working strength and air tightness tests (pressure tests) before being installed, the state of the valve is detected by introducing target pressure air pressure or hydraulic pressure into the valve, the compactness of the valve body and the valve cover and the pressure resistance of the whole shell including the joint of the valve body and the valve cover are used for detecting, and the life test of the valve is required, namely, the service life of the valve is detected through repeated high-pressure impact for many times, and the limited use of the valve is guided, so that the safety of the gas circuit pipeline provided with the valve is improved.
In the existing pumping pressure test process, batch valve member pumping pressure adopts self-made tools, pumping pressure tests are carried out one by one, the pipe head structure matched with the valve body specification is required to be connected with two ends of the valve body, time and labor are wasted, the connection sealing effect is enough, otherwise, the connection end is easy to leak and can not be detected due to overlarge pressure in the pressure test, the operation of the joint mode is complex, the efficiency is low, in addition, a push rod is adopted to push a sliding table to apply thrust to a test valve, four polish rod supporting beams are used, the structure of a middle moving sliding table is provided, and a hydraulic pump is adopted by a driving device. The diameter of the ejector rod is determined by the thrust required by the compression test valve, the required thrust is small, the diameter of the ejector rod is small, the required thrust is large, the diameter of the ejector rod is large, when the water pressure of the valve to be tested is large, the large ejector rod matched with the valve to be tested needs to be designed, and the specification adaptation and replacement of the ejector rod also need to be carried out, so that the manufacturing cost is increased, and the overall structure of the test bed is more complex. In view of the above, the present invention provides a valve test stand for solving the existing problems, and aims to solve the problems and improve the practical value by the technology.
Disclosure of Invention
The present invention aims to solve one of the technical problems existing in the prior art or related technologies.
The technical scheme adopted by the invention is as follows: a valve test stand comprising: the device comprises a tool guide table, a clamping disc, a valve body sealing assembly and a test pressing box, wherein a first driving part and a second driving part which are mutually perpendicular are fixedly arranged on the surface of the tool guide table, the output ends of the first driving part and the second driving part are fixedly connected with screw rods, a first sliding table is sleeved on the screw rods of the output ends of the first driving part in a threaded manner, a second sliding table is sleeved on the screw rods of the output ends of the second driving part in a threaded manner, a sliding rail table is arranged on the surface of the tool guide table, the valve body sealing assembly is slidably arranged on the surface of the sliding rail table, the valve body sealing assembly is fixed on the surface of the second sliding table, the test pressing box is fixedly arranged on one side of the valve body sealing assembly, and the clamping disc is fixedly arranged on the surface of the first sliding table;
the valve body sealing assembly comprises a sliding seat, a driving ring and a clamping ring set, wherein the driving ring is rotatably arranged on the surface of the sliding seat and is provided with a driving rod in a peripheral movable mode, the clamping ring set comprises a first moving ring, a second moving ring and a plurality of moving pressing strips, the moving pressing strips are uniformly distributed in the circumferential direction, one end of each moving pressing strip is provided with a rotating pin which is rotatably connected with the surface of the second moving ring, the other end of each moving pressing strip is provided with a sliding pin, the inner side of the first moving ring is provided with a plurality of sliding grooves which are radially distributed along the first moving ring, the sliding pins are slidably sleeved on the inner side of the sliding grooves, a test pressing box is fixedly arranged on one side of the second moving ring, the surface of the test pressing box is provided with a hydraulic pump, and the inner side of the test pressing box is fixedly provided with a plug pipe.
The present invention may be further configured in a preferred example to: the first driving part and the second driving part are of double-output motor structures, screw threads connected with two output ends of the first driving part and the second driving part are opposite in rotation direction, the first sliding tables are symmetrically distributed on two sides of the first driving part, and the second sliding tables are symmetrically distributed on two sides of the second driving part.
The present invention may be further configured in a preferred example to: the surface rotation of the clamping disc is provided with a deflection chuck, the surface rotation of the deflection chuck is provided with a plurality of chuck blocks, the chuck blocks and the deflection chucks are of arc structures, and the center of a circle of the clamping disc and the center of a circle of the clamping ring set are located on the same horizontal plane.
The present invention may be further configured in a preferred example to: the number of the driving rings is two, the driving rings are respectively sleeved on the outer sides of the first moving ring and the second moving ring, the number of the driving rods is a plurality of, the two ends of each driving rod are respectively connected with an ear plate connected with the surface of each driving ring in a rotating mode, and each driving rod is of an electric push rod or hydraulic rod structure.
The present invention may be further configured in a preferred example to: the inner side of the first movable ring is fixedly provided with a sealing film penetrating through the inner side of the second movable ring, the other end of the sealing film is fixedly connected with the inner side of the second movable ring, the sealing film is a deformable silica gel film, and the thickness of the sealing film is 2-5mm.
The present invention may be further configured in a preferred example to: the dynamic pressure strips are of arc-shaped bent strip structures, and adjacent dynamic pressure strips are in sliding abutting connection with each other.
The present invention may be further configured in a preferred example to: the valve body seal assemblies and the test pressure boxes are two in number and are symmetrically arranged on the surfaces of the two second sliding tables relative to the second driving part, and the two valve body seal assemblies and the test pressure boxes are located at the same horizontal height.
The present invention may be further configured in a preferred example to: the inner sides of the two test pressure boxes are respectively provided with an air pressure sensor, the liquid outlet end of the hydraulic pump is communicated with one end of the plug pipe, and the output end of the air pressure sensor is electrically connected with a controller.
The beneficial effects obtained by the invention are as follows:
1. according to the invention, by arranging the automatic valve tool test bed structure, the first driving part and the second driving part on the surface of the tool guide bed are used for respectively driving the test pressure box and the clamping disc to be attached to the surface of the valve body to be tested, so that the sealing joint of the two ends of the valve body and the positioning clamping of the valve body are respectively realized, the automatic tool and the pressure test of the valve body are realized, and the test working efficiency is improved.
2. According to the invention, the novel valve body sealing assembly structure is arranged, the driving ring is used for driving the first moving ring and the dynamic pressure strips to relatively deflect, so that the plurality of clamping ring groups are driven to deflect to close the clamping valve body connecting end, the valve body connecting end is attached to the testing pressure box to construct a sealing cavity, and then the testing liquid is introduced to test the pressure.
3. According to the invention, the valve body connecting end is clamped by the synchronous deflection of the second movable ring through the self-adaptive clamping sealing structure, so that the valve body structure with different specifications and sizes can be adapted without changing an adapter, and the self-adaptive deflection clamping disc structure is adopted to adapt to valve body clamping tools with different shape surfaces, so that the practicability of the detection structure is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a tooling guide structure according to an embodiment of the present invention;
FIG. 3 is a schematic view of a first driving portion mounting structure according to an embodiment of the present invention;
FIG. 4 is a schematic view of a valve body seal assembly and test cartridge according to one embodiment of the present invention;
FIG. 5 is a schematic view of a valve body seal assembly mounting structure according to one embodiment of the present invention;
FIG. 6 is a schematic illustration of an exploded view of a valve body seal assembly according to one embodiment of the present invention;
FIG. 7 is a schematic view showing a split structure of a clamping ring assembly according to an embodiment of the present invention.
Reference numerals:
100. a tooling guide table; 110. a first driving section; 120. a second driving section; 130. a slide rail table; 111. a first sliding table; 121. a second sliding table;
200. a clamping plate; 210. a deflection chuck;
300. a valve body seal assembly; 310. a slide; 320. a drive ring; 330. a clamping ring set; 321. a driving rod; 331. a first moving ring; 332. a dynamic pressing bar; 333. a second moving ring; 334. a rotary pin; 335. a slide pin;
400. testing the pressure box; 410. a hydraulic pump; 420. and a plug tube.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present invention and features in the embodiments may be combined with each other.
A valve test stand provided in accordance with some embodiments of the present invention is described below with reference to the accompanying drawings.
Referring to fig. 1 to 7, the valve test stand provided by the present invention includes: the device comprises a tool guide table 100, a clamping disc 200, a valve body sealing assembly 300 and a test pressing box 400, wherein a first driving part 110 and a second driving part 120 which are mutually vertically arranged are fixedly arranged on the surface of the tool guide table 100, lead screws are fixedly connected to the output ends of the first driving part 110 and the second driving part 120, a first sliding table 111 is sleeved on the lead screw of the output end of the first driving part 110 in a threaded manner, a second sliding table 121 is sleeved on the lead screw of the output end of the second driving part 120 in a threaded manner, a sliding rail table 130 is arranged on the surface of the tool guide table 100, the valve body sealing assembly 300 is slidably arranged on the surface of the sliding rail table 130, the valve body sealing assembly 300 is fixed on the surface of the second sliding table 121, the test pressing box 400 is fixedly arranged on one side of the valve body sealing assembly 300, and the clamping disc 200 is fixedly arranged on the surface of the first sliding table 111;
the valve body sealing assembly 300 comprises a sliding seat 310, a driving ring 320 and a clamping ring set 330, wherein the driving ring 320 is rotatably arranged on the surface of the sliding seat 310, a driving rod 321 is movably arranged on the periphery of the driving ring 320, the clamping ring set 330 comprises a first moving ring 331, a second moving ring 333 and a plurality of moving pressing strips 332, the moving pressing strips 332 are uniformly distributed in the circumferential direction, one end of each moving pressing strip 332 is provided with a rotating pin 334 which is rotatably connected with the surface of the second moving ring 333, the other end of each moving pressing strip 332 is provided with a sliding pin 335, the inner side of the first moving ring 331 is provided with a plurality of sliding grooves which are radially distributed along the first moving ring 331, the sliding pins are in sliding sleeve connection with the inner side of the sliding grooves, a test pressing box 400 is fixedly arranged on one side of the second moving ring 333, the surface of the test pressing box 400 is provided with a hydraulic pump 410, and the inner side of the test pressing box 400 is fixedly provided with a top pipe 420.
In this embodiment, the first driving portion 110 and the second driving portion 120 are both of a dual-output motor structure, and screw threads connected to two output ends of the first driving portion 110 and the second driving portion 120 are opposite in rotation direction, the first sliding tables 111 are symmetrically distributed on two sides of the first driving portion 110, and the second sliding tables 121 are symmetrically distributed on two sides of the second driving portion 120.
Specifically, the first driving part 110 and the second driving part 120 are utilized to drive the screw rod to rotate, so that the first sliding table 111 and the second sliding table 121 on two sides are synchronously driven to be close to or far away from each other, and the positioning tool and the sealing tool for the valve body are realized.
In this embodiment, the surface of the clamping disk 200 is rotatably provided with a deflection chuck 210, the surface of the deflection chuck 210 is rotatably provided with a plurality of chuck blocks, the chuck blocks and the deflection chuck 210 are in arc-shaped structures, and the center of a circle of the clamping disk 200 and the center of a circle of the clamping ring set 330 are located on the same horizontal plane.
Specifically, the self-adaptive deflection movement of the chuck 210 and the chuck block on the surface of the clamping disc 200 is utilized, so that the chuck is attached to the opposite surface of the valve body, the clamping effect is improved, and the chuck can be adapted to valve bodies with different specifications.
In this embodiment, the number of the driving rings 320 is two and are respectively sleeved on the outer sides of the first moving ring 331 and the second moving ring 333, the number of the driving rods 321 is several, and two ends of the driving rods 321 are respectively connected with ear plates connected with the surface of the driving ring 320 in a rotating manner, and the driving rods 321 are in an electric push rod or hydraulic rod structure.
Specifically, the two driving rings 320 are driven to deflect each other by the telescopic movement of the driving rod 321, thereby realizing the control of the first moving ring 331 and the dynamic pressure bar 332.
In this embodiment, a sealing film penetrating through the inner side of the second moving ring 333 is fixedly installed on the inner side of the first moving ring 331, the other end of the sealing film is fixedly connected with the inner side of the second moving ring 333, and the sealing film is a deformable silica gel film with a thickness of 2-5mm.
Specifically, the deformable silicone film is deformed to contact the surface of the valve body when the second movable ring 333 is deflected inward, thereby improving the sealing effect.
In this embodiment, the movable pressing strips 332 are in an arc-shaped bent strip structure, and adjacent movable pressing strips 332 are in sliding abutting contact with each other.
In this embodiment, the number of the valve body sealing assemblies 300 and the test pressure boxes 400 is two, and the two valve body sealing assemblies 300 and the test pressure boxes 400 are symmetrically arranged on the surfaces of the two second sliding tables 121 with respect to the second driving part 120, and the two valve body sealing assemblies 300 and the test pressure boxes 400 are located at the same level.
Further, the inner sides of the two test pressure boxes 400 are respectively provided with an air pressure sensor, the liquid outlet end of the hydraulic pump 410 is communicated with one end of the plug pipe 420, and the output end of the air pressure sensor is electrically connected with a controller.
Specifically, the hydraulic pump 410 at one side pumps in liquid, the pressure sensor in the pressure testing box 400 at the other side senses the pressure change in the pressure testing box 400 at the other side, and the water is continuously introduced to enable the water pressure in the pressure testing box 400 to reach the measured pressure, if the sealing effect of the valve body is poor, air flow or water enters the pressure testing box 400 at the other end, so that the pressure in the pressure testing box 400 is changed.
The working principle and the using flow of the invention are as follows:
when the valve test bed is used, the control end starts the second driving part 120, the second driving part 120 works to drive the second sliding tables 121 at two ends to enable the valve body sealing assemblies 300 at two sides to move close to each other through the guiding of the sliding rail table 130, the height of the valve body is adjusted to enable the ports at two ends of the valve body to be sleeved in the valve body sealing assemblies 300, then the control end starts the first driving part 110, the first driving part 110 drives the first sliding tables 111 to move close to each other, the clamping discs 200 are enabled to be close to each other to clamp two sides of the valve body, the deflection chucks 210 automatically deflect in the clamping process, the chucks on the surfaces of the deflection chucks 210 deflect to be attached to the special-shaped curved surface of the valve body, the valve body is tightly abutted and clamped, after the clamping is completed, the driving rod 321 drives the two driving rings 320 to deflect to each other to enable the first moving ring 331 and the second moving ring 333 to deflect relatively, and during the deflection of the first moving ring 331, the surface sliding grooves of the moving beads 332 deflect and move along the surface sliding grooves of the first moving ring 331, and the moving beads 332 gradually move towards the outer sides of the clamping ring group 330 close to the pressing outer sides and the surface of the valve body, so that the joint sealing of the pressure test boxes 400 and the ends of the valve body are realized;
starting a pressure test, connecting the end head of the hydraulic pump 410 on one side with water liquid, pumping the external water liquid into the pressure test box 400 by the hydraulic pump 410, closing the test valve body, sensing the pressure change in the pressure test box 400 by the pressure air pressure sensor in the pressure test box 400 on the other side, continuously introducing the water liquid to enable the water pressure in the pressure test box 400 to reach the measured pressure, and if the sealing effect of the valve body is poor, enabling the pressure in the pressure test box 400 to change by air flow or water liquid in the pressure test box 400 on the other end, namely judging that the sealing effect of the valve body is poor, and if the pressure sensor in the pressure test box 400 is not obviously changed, judging that the valve body is qualified.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (6)
1. A valve test stand, comprising: the tool guide table (100), the clamping disc (200), the valve body sealing assembly (300) and the test pressing box (400), wherein a first driving part (110) and a second driving part (120) which are arranged vertically are fixedly arranged on the surface of the tool guide table (100), the output ends of the first driving part (110) and the second driving part (120) are fixedly connected with screw rods, a first sliding table (111) is sleeved on the screw rods of the output ends of the first driving part (110) in a threaded manner, a second sliding table (121) is sleeved on the screw rods of the output ends of the second driving part (120) in a threaded manner, a sliding rail table (130) is arranged on the surface of the tool guide table (100), the valve body sealing assembly (300) is slidably arranged on the surface of the sliding rail table (130), the valve body sealing assembly (300) is fixed on the surface of the second sliding table (121), the test pressing box (400) is fixedly arranged on one side of the valve body sealing assembly (300), and the clamping disc (200) is fixedly arranged on the surface of the first sliding table (111);
the valve body sealing assembly (300) comprises a sliding seat (310), a driving ring (320) and a clamping ring group (330), wherein the driving ring (320) is rotatably arranged on the surface of the sliding seat (310), a driving rod (321) is movably arranged on the periphery of the driving ring, the clamping ring group (330) comprises a first moving ring (331), a second moving ring (333) and a plurality of moving pressing strips (332), the plurality of moving pressing strips (332) are uniformly distributed in the circumferential direction, one end of each moving pressing strip (332) is provided with a rotating pin (334) which is rotatably connected with the surface of the second moving ring (333), the other end of each moving pressing strip (332) is provided with a sliding pin (335), a plurality of sliding grooves which are radially distributed along the first moving ring (331) are arranged on the inner side of each sliding groove, each testing pressing box (400) is fixedly arranged on one side of the second moving ring (333), the surface of each testing pressing box (400) is provided with a hydraulic pump (410), and the inner side of each testing pressing box (400) is fixedly provided with a plug pipe (420);
the inner side of the first movable ring (331) is fixedly provided with a sealing membrane penetrating through the inner side of the second movable ring (333), the other end of the sealing membrane is fixedly connected with the inner side of the second movable ring (333), the sealing membrane is a deformable silica gel membrane, and the thickness of the sealing membrane is 2-5mm;
the number of the valve body sealing assemblies (300) and the number of the test pressing boxes (400) are two, the two valve body sealing assemblies (300) and the two test pressing boxes (400) are symmetrically arranged on the surfaces of the two second sliding tables (121) relative to the second driving part (120), and the two valve body sealing assemblies (300) and the two test pressing boxes (400) are located at the same horizontal height.
2. The valve test stand according to claim 1, wherein the first driving part (110) and the second driving part (120) are of a dual-output motor structure, screw threads connected with two output ends of the first driving part (110) and the second driving part (120) are opposite in rotation direction, the first sliding tables (111) are symmetrically distributed on two sides of the first driving part (110), and the second sliding tables (121) are symmetrically distributed on two sides of the second driving part (120).
3. The valve test stand according to claim 1, wherein a deflection chuck (210) is rotatably mounted on the surface of the clamping disc (200), a plurality of chuck blocks are rotatably mounted on the surface of the deflection chuck (210), the chuck blocks and the deflection chuck (210) are in arc structures, and the center of a circle of the clamping disc (200) and the center of a circle of the clamping ring set (330) are located on the same horizontal plane.
4. The valve test stand according to claim 1, wherein the number of the driving rings (320) is two and are respectively sleeved on the outer sides of the first moving ring (331) and the second moving ring (333), the number of the driving rods (321) is several, the two ends of the driving rods (321) are respectively connected with an ear plate connected with the surface of the driving ring (320) in a rotating manner, and the driving rods (321) are of an electric push rod or hydraulic rod structure.
5. A valve test stand according to claim 1, wherein the dynamic pressure strips (332) are in an arc-shaped bent strip structure, and adjacent dynamic pressure strips (332) are in sliding abutting connection with each other.
6. The valve test stand according to claim 1, wherein the inner sides of the two test pressure boxes (400) are respectively provided with an air pressure sensor, the liquid outlet end of the hydraulic pump (410) is communicated with one end of the plug pipe (420), and the output end of the air pressure sensor is electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310210182.4A CN116067586B (en) | 2023-03-07 | 2023-03-07 | Valve test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310210182.4A CN116067586B (en) | 2023-03-07 | 2023-03-07 | Valve test bed |
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| Publication Number | Publication Date |
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| CN116067586A CN116067586A (en) | 2023-05-05 |
| CN116067586B true CN116067586B (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310210182.4A Active CN116067586B (en) | 2023-03-07 | 2023-03-07 | Valve test bed |
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2023
- 2023-03-07 CN CN202310210182.4A patent/CN116067586B/en active Active
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