A pressure flow valve test bench
By designing a pressure flow valve test bench including clamping components, protective components and adjustment components, the problems of low clamping efficiency, poor stability, insufficient safety and inconvenient operation of traditional test benches are solved, and fast, stable, flexible clamping and efficient and safe testing operations are achieved.
Patent Information
- Application Number
- CN202411888329.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-04-04
AI Technical Summary
When clamping the measured valve, the clamping efficiency is low, the stability is difficult to guarantee, and the lack of effective protection measures poses a threat to the personal safety of the operator. The operating panel is fixed and cannot be adjusted flexibly, resulting in inconvenient operation.
A pressure flow valve test bench including a clamping assembly, a protective assembly and a regulating assembly is designed. The clamping assembly enables fast and stable clamping through drive gears and clamps; the protective assembly provides protective housing through the push-up assembly to prevent leakage and splash; the adjustment assembly enables flexible adjustment of the operating panel through the electric push rod and support rail.
It realizes fast, stable and flexible clamping of the valve under test, improves the accuracy and efficiency of the test, enhances the adaptability and safety of the test bench, simplifies the operation process, and reduces maintenance costs.
Smart Images
Figure CN119748385A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of test benches, in particular to a pressure flow valve test bench. Background Art
[0002] In the field of industrial production and fluid control, the performance and stability of pressure flow valves, as key components, are directly related to the operating efficiency and safety of the entire fluid system.
[0003] The pressure flow valve test is based on the high-pressure source generated by an electric pump, and the pressure and flow are adjusted through the pressure flow control system. At the same time, the pressure and flow values of the tested product are collected for data analysis or data setting.
[0004] When conducting pressure flow valve testing, it is usually processed on a test bench. Traditional test benches often use manual or more complex mechanical structures to clamp the valve under test, resulting in low clamping efficiency and difficulty in ensuring stability. When processing valves under test of different sizes and shapes, the clamping plate is not convenient to replace, resulting in low adaptability of the equipment. At the same time, during the test, the valve under test may leak, splash or other unexpected situations, and traditional test benches often lack effective protection measures, posing a threat to the personal safety of operators. Finally, the operating panel is often fixed and cannot be flexibly adjusted according to the actual needs of the operator, resulting in inconvenience in operation. For this reason, the present invention provides a pressure flow valve test bench. Summary of the invention
[0006] In view of the deficiencies in the prior art, the present invention provides a pressure flow valve test bench, which solves the problem that traditional test benches often use manual or more complex mechanical structures to clamp the valve under test, resulting in low clamping efficiency and difficulty in ensuring stability. When dealing with valves under test of different sizes and shapes, the clamping plate is not convenient to replace, resulting in low adaptability of the equipment. At the same time, during the test process, the valve under test may leak, splash or other unexpected situations, and traditional test benches often lack effective protection measures, posing a threat to the personal safety of operators. Finally, the operating panel is often fixed and cannot be flexibly adjusted according to the actual needs of the operator, resulting in inconvenient operation.
[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a pressure flow valve test bench, including a test bench body, the test bench body is provided with a mounting mechanism for the pressure flow valve, the mounting mechanism includes:
[0008] The clamping assembly comprises a mounting platform for fixing the tested valve on the upper end surface of the test bench body, a driving block connected by a driving assembly is arranged on both sides of the upper end surface of the mounting platform, and a clamping plate connected by an elastic assembly is arranged inside the driving block;
[0009] The protection assembly comprises a support shell fixedly connected to the front end wall of the test bench body, and a protection shell connected via a push assembly is slidably arranged inside the support shell;
[0010] The adjustment component includes a fixed plate fixedly connected to the side wall of the test bench body, a supporting slide rail connected via an opening and closing component is rotatably arranged inside the fixed plate, and an operating panel connected via a lifting component is arranged inside the supporting slide rail.
[0011] Preferably, the driving assembly includes a driving gear arranged at the center of the mounting platform, and the driving gear is driven by a micro motor, one side of the driving gear is meshedly connected with a first gear rod, the other side of the driving gear is meshedly connected with a second gear rod, and a sliding groove for sliding of the second gear rod is opened inside the mounting platform, the driving block is located at the upper end of the first gear rod and is fixedly connected, and the driving block is slidably connected to the surface of the mounting platform, and the first gear rod and the second gear rod are distributed obliquely symmetrically with respect to the driving gear.
[0012] Preferably, positioning grooves are provided on both side walls of the mounting platform, positioning blocks are slidably connected inside the positioning grooves, and the inner wall of the upper end of the positioning block is fixedly connected to the driving block.
[0013] Preferably, the elastic component includes a cavity groove with a T-shaped structure opened inside the driving block, the inner wall of the cavity groove is fixedly connected with a spring, the other end of the spring is fixedly connected with a slide plate, the side wall of the slide plate is fixedly connected with a clamping block, the lower end of the cavity groove is slidably connected with a clamping slot block, the splint is fixedly connected to the front end wall of the clamping slot block, and the clamping slot block is clamped with the clamping block.
[0014] Preferably, the pushing assembly includes a movable groove opened inside the test bench body, the inner wall of the movable groove is fixedly connected to the telescopic end of the first electric push rod is fixedly connected to the push block, support rods rotatably connected through a rotating shaft are arranged inside both sides of the push block, the protective shell is located inside the support shell and is slidably connected, and the upper end of the protective shell is rotatably connected to the other end of the support rod through the rotating shaft inside the concave block.
[0015] Preferably, the opening and closing assembly includes a support frame rotatably connected inside the fixed plate, the support slide rail is fixedly connected at the end of the support frame, the side wall of the test bench body is provided with a second electric push rod rotatably connected through a rotating shaft, and the telescopic end of the second electric push rod is provided with a rotating shaft to form a rotating structure with the side wall of the support slide rail.
[0016] Preferably, the lifting assembly includes a screw rod rotatably connected to the inner wall of the supporting slide rail, an adjusting block is slidably connected inside the supporting slide rail, the operating panel is located at the front end of the adjusting block and is fixedly connected, and the adjusting block is threadedly connected to the screw rod.
[0017] Preferably, two groups of clamping plates are provided inside the driving block for performing clamping tests on a plurality of valves to be tested.
[0018] Beneficial Effects
[0019] The present invention provides a pressure flow valve test bench. Compared with the prior art, it has the following beneficial effects:
[0020] Firstly, the first gear rod and the second gear rod meshing on both sides of the driving gear of the present invention are meshed and transmitted, so that the gear rod slides in the opened slide groove, thereby driving the driving block at the upper end of the gear rod to slide along the surface of the mounting platform, thereby controlling the opening and closing of the clamping plates inside the driving blocks on both sides of the mounting platform surface, which are used to clamp and fix the valve under test, thereby realizing fast and stable clamping and fixing of the valve under test, improving the efficiency and stability of clamping, ensuring the accuracy of the test, and flexibly controlling the opening and closing degree and position of the clamping plates to adapt to valves under test of different sizes and shapes, thereby enhancing the adaptability and flexibility of the test bench, so that it can be applied to a wider range of valve testing scenarios, and two groups of the clamping plates are arranged inside the driving block, which are used to clamp and test multiple valves under test, so that the test bench can clamp multiple valves under test for testing at the same time, thereby greatly improving the test efficiency.
[0021] Secondly, the present invention pulls the pull rod at the upper end of the card block so that the slide plates fixed on the two side walls of the card block are compressed inside the cavity groove by the spring, and then the clamping plate is inserted into the cavity groove below the card block through the card slot block, and finally the pull rod is released to make the card block and the card slot block engage and connect, thereby realizing the installation of the clamping plate. When disassembling, the pull rod is pulled to separate the card slot block from the card block, and the clamping plate can be disassembled, so that the clamping plate can be selected according to different valves to be tested, simplifying the operation process, allowing the test personnel to quickly replace the clamping plate, and by conveniently replacing the clamping plate, the test bench can adapt to various sizes, shapes and types of valves to be tested, thereby enhancing the versatility and flexibility of the test bench, reducing the dependence on specific valves, expanding the test range, and when the clamping plate is worn or damaged, it can be quickly replaced without complicated repair or replacement of the entire test bench, thereby reducing maintenance costs.
[0022] Thirdly, the protective shell of the present invention is pushed by the support rod, so that the protective shell can slide inside the supporting shell without manual operation, which greatly improves the efficiency and convenience of the test. It is used to perform external closure processing on the tested valve fixed on the mounting table, ensuring that the protective shell can provide a closed working environment, and effectively prevent valve leakage, splashing or accidental damage, thereby greatly enhancing the safety of the test process, reducing the influence of external interference factors on the test results, and improving the accuracy and reliability of the test.
[0023] Fourthly, when the second electric push rod provided in the present invention is extended or retracted, the supporting slide rail is rotatably connected to the side wall of the test bench body through the rotating shafts at both ends of the second electric push rod. When the second electric push rod is extended or retracted, it is pushed through the supporting slide rail to realize that the supporting slide rail is movable and adjustable on the fixed plate through the supporting frame, and the angle of the operation panel is adjusted according to the use position, so that the operator can easily adjust the inclination angle of the operation panel according to actual needs, thereby improving the comfort and convenience of operation; and when the operation panel is stored, the operation panel is rotated to one side of the test bench for storage through the contraction of the second electric push rod, thereby avoiding damage caused by unintentional collision by the staff; and when the screw rod is rotated, the operation panel is realized by sliding along the inside of the supporting slide rail through the adjusting block, and the movable height of the operation panel is adjusted, so that the operation panel can adapt to operators of different heights and operating habits, thereby improving the versatility of the test bench. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0025] Figure 2 It is a schematic diagram of the internal structure of the movable tank of the present invention;
[0026] Figure 3 It is a schematic diagram of the connection structure of the drive block of the present invention;
[0027] Figure 4 It is a schematic diagram of the connection structure of the positioning block and the positioning groove of the present invention;
[0028] Figure 5 It is a schematic diagram of the internal structure of the driving block of the present invention;
[0029] Figure 6 It is a schematic diagram of the connection structure between the supporting shell and the protective shell of the present invention;
[0030] Figure 7 It is a schematic diagram of the connection structure of the operation panel of the present invention.
[0031] In the figure: 1. test bench body; 2. mounting table; 201. drive block; 202. drive gear; 203. first gear rod; 204. slide groove; 205. second gear rod; 206. positioning block; 207. positioning groove; 3. clamping plate; 301. slot block; 302. cavity groove; 303. spring; 304. slide plate; 305. clamping block; 4. supporting shell; 401. protective shell; 5. movable groove; 501. first electric push rod; 502. push block; 503. support rod; 6. fixing plate; 601. support frame; 602. support slide rail; 603. screw rod; 604. adjustment block; 605. operation panel; 7. second electric push rod. DETAILED DESCRIPTION
[0032] 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 described embodiments 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 creative work are within the scope of protection of the present invention.
[0033] See also Figure 1-Figure 7 The present invention provides a technical solution: a pressure flow valve test bench, comprising a test bench body 1, on which a mounting mechanism for the pressure flow valve is arranged, the mounting mechanism comprising:
[0034] The clamping assembly includes a mounting platform 2 for fixing the valve to be tested, which is arranged on the upper end surface of the test bench body 1, and driving blocks 201 connected by driving components are arranged on both sides of the upper end surface of the mounting platform 2, and clamping plates 3 connected by elastic components are arranged inside the driving block 201;
[0035] The protection assembly includes a front end wall of the test bench body 1 fixedly connected to a support shell 4, and a protection shell 401 connected via a push assembly is slidably arranged inside the support shell 4;
[0036] The adjustment component includes a fixed plate 6 fixedly connected to the side wall of the test bench body 1, a support slide rail 602 connected via an opening and closing component is rotatably arranged inside the fixed plate 6, and an operation panel 605 connected via a lifting component is arranged inside the support slide rail 602.
[0037] In a preferred embodiment, the driving assembly includes a driving gear 202 arranged at the center of the mounting platform 2, and the driving gear 202 is driven by a micro motor, one side of the driving gear 202 is meshedly connected with a first gear rod 203, and the other side of the driving gear 202 is meshedly connected with a second gear rod 205, and a slide groove 204 for the second gear rod 205 to slide is provided inside the mounting platform 2, the driving block 201 is located at the upper end of the first gear rod 203 and is fixedly connected, and the driving block 201 is slidably connected to the surface of the mounting platform 2, the first gear rod 203 and the second gear rod 205 are obliquely symmetrically distributed about the driving gear 202, and positioning grooves 207 are provided on both side walls of the mounting platform 2, and a positioning block 206 is slidably connected inside the positioning groove 207, and the upper end inner wall of the positioning block 206 is fixedly connected to the driving block 201, and when the driving gear 202 is rotated, the first gear rod 203 and the second gear rod 205 meshed on both sides of the driving gear 202 are meshed and transmitted, so that the gear rods are The opened slide groove 204 slides inside, thereby driving the driving block 201 at the upper end of the gear rod to slide along the surface of the mounting platform 2, thereby controlling the opening and closing of the clamping plates 3 inside the driving blocks 201 on both sides of the surface of the mounting platform 2, which are used to clamp and fix the valve under test, realize fast and stable clamping and fixation of the valve under test, improve the efficiency and stability of clamping, ensure the accuracy of the test, and flexibly control the opening and closing degree and position of the clamping plates 3 to adapt to valves under test of different sizes and shapes, enhance the adaptability and flexibility of the test bench, so that it can be applied to a wider range of valve testing scenarios, and two groups of clamping plates 3 are arranged inside the driving block 201, which are used to clamp multiple valves under test, so that the test bench can clamp multiple valves under test for testing at the same time, greatly improving the test efficiency, and finally, when the gear rod slides, the gear rod slides on the mounting platform 2 along the positioning groove 207 through the positioning block 206, ensuring the stability of the gear rod when sliding and clamping the valve under test.
[0038] In a preferred embodiment, the elastic component includes a T-shaped cavity groove 302 opened inside the driving block 201, the inner wall of the cavity groove 302 is fixedly connected with a spring 303, the other end of the spring 303 is fixedly connected with a slide plate 304, the side wall of the slide plate 304 is fixedly connected with a clamping block 305, the lower end of the cavity groove 302 is slidably connected with a clamping block 301, the splint 3 is located at the front end wall of the clamping block 301 and is fixedly connected, the clamping block 301 and the clamping block 305 are clamped together, when installing and replacing the splint 3, the pull rod at the upper end of the clamping block 305 is pulled, so that the slide plates 304 fixed to the two side walls of the clamping block 305 are compressed inside the cavity groove 302 by the spring 303, and then the splint 3 is inserted into the cavity groove 302 at the clamping position through the clamping block 301. The clamping plate 3 is then removed from the bottom of the test bench 305 and the clamping plate 306 is removed from the test bench 307.
[0039] In a preferred embodiment, the push assembly includes an active groove 5 opened inside the test bench body 1, the inner wall of the active groove 5 is fixedly connected to the telescopic end of the first electric push rod 501 is fixedly connected to the push block 502, and the two sides of the push block 502 are provided with support rods 503 rotatably connected through a rotating shaft, the protective shell 401 is located inside the support shell 4 and is slidably connected, and the upper end of the protective shell 401 is provided with a rotation axis inside the concave block and is rotatably connected to the other end of the support rod 503. When the tested valve is working, the first electric push rod 501 is extended and retracted, driving the push block 502 to extend and retract inside the active groove 5, and then the upper end of the protective shell 401 is connected through the concave block. The rotating shaft and the support rod 503 form a rotating structure, and the other end of the support rod 503 forms a rotating structure with the push block 502 through the rotating shaft. The protective shell 401 is pushed by the support rod 503, so that the protective shell 401 can slide inside the supporting shell 4 without manual operation, which greatly improves the efficiency and convenience of the test. It is used to perform external closure processing on the tested valve fixed on the mounting platform 2, ensuring that the protective shell 401 can provide a closed working environment, effectively preventing valve leakage, splashing or accidental damage, thereby greatly enhancing the safety of the test process, and reducing the influence of external interference factors on the test results, improving the accuracy and reliability of the test.
[0040] In a preferred embodiment, the opening and closing assembly includes a support frame 601 rotatably connected to the inside of the fixed plate 6, the support slide rail 602 is located at the end of the support frame 601 and fixedly connected, the side wall of the test bench body 1 is provided with a second electric push rod 7 rotatably connected through a rotating shaft, the telescopic end of the second electric push rod 7 is provided with a rotating shaft and forms a rotating structure with the side wall of the support slide rail 602, the lifting assembly includes a screw 603 rotatably connected to the inner wall of the support slide rail 602, the internal sliding connection of the support slide rail 602 is provided with an adjustment block 604, the operation panel 605 is located at the front end of the adjustment block 604 and fixedly connected, the adjustment block 604 is threadedly connected to the screw 603, when the second electric push rod 7 is extended and retracted, the support slide rail 602 is rotatably connected to the side wall of the test bench body 1 through the rotating shafts at both ends of the second electric push rod 7, when the second electric push rod 7 is extended and retracted. When the operating panel 605 is in the working state, the supporting slide rail 602 is pushed forward, so that the supporting slide rail 602 can be movably adjusted on the fixed plate 6 through the supporting frame 601, and the angle of the operating panel 605 is adjusted according to the use position, so that the operator can easily adjust the inclination angle of the operating panel 605 according to actual needs, thereby improving the comfort and convenience of operation. When the operating panel 605 is stored, the second electric push rod 7 is retracted to rotate the operating panel 605 to one side of the test bench for storage, thereby avoiding damage caused by unintentional collision by the staff. When the screw rod 603 is rotated, the operating panel 605 is slid along the inside of the supporting slide rail 602 through the adjusting block 604, and the movable height of the operating panel 605 is adjusted, so that the operating panel 605 can adapt to operators of different heights and operating habits, thereby improving the versatility of the test bench.
[0041] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0042] During operation, first, the valve to be tested is placed on the mounting platform 2. When the driving gear 202 is rotated, the first gear rod 203 and the second gear rod 205 meshing on both sides of the driving gear 202 are meshed and transmitted, so that the gear rod slides inside the slide groove 204, thereby driving the driving block 201 at the upper end of the gear rod to slide along the surface of the mounting platform 2, thereby controlling the clamping plates 3 inside the driving blocks 201 on both sides of the surface of the mounting platform 2 to open and close, which is used to clamp and fix the valve to be tested, and when installing and replacing the clamping plates 3, pull the clamping blocks The pull rod at the upper end of 305 causes the slide plate 304 fixed on the two side walls of the clamping block 305 to be compressed inside the cavity groove 302 through the spring 303, and then the clamping plate 3 is inserted into the cavity groove 302 below the clamping block 305 through the clamping slot block 301, and finally the pull rod is released to make the clamping block 305 and the clamping slot block 301 engage and connect, so as to realize the installation of the clamping plate 3. When disassembling, the pull rod is pulled to separate the clamping slot block 301 from the clamping block 305, so as to disassemble the clamping plate 3, so that the clamping plate 3 can be selected according to different valves to be tested, which simplifies the operation process;
[0043] During operation, when the first electric push rod 501 is extended and retracted, it drives the push block 502 to extend and retract inside the movable groove 5, and then the upper end of the protective shell 401 is connected to the support rod 503 through the rotating shaft connected by the concave block to form a rotating structure, and at the same time, the other end of the support rod 503 is connected to the push block 502 through the rotating shaft to form a rotating structure, and the protective shell 401 is pushed by the support rod 503, so that the protective shell 401 can slide inside the support shell 4;
[0044] When the second electric push rod 7 is finally arranged, the support slide rail 602 is rotatably connected to the side wall of the test bench body 1 through the rotating shafts at both ends of the second electric push rod 7. When the second electric push rod 7 is extended and retracted, the support slide rail 602 is pushed to achieve the movable adjustment of the support slide rail 602 on the fixed plate 6 through the support frame 601, and the angle of the operation panel 605 is adjusted according to the use position, so that the operator can easily adjust the inclination angle of the operation panel 605 according to actual needs, thereby improving the comfort and convenience of operation. When the operation panel 605 is stored, the second electric push rod 7 is retracted to rotate the operation panel 605 to one side of the test bench for storage, thereby avoiding damage caused by unintentional collision by the staff. When the screw rod 603 is rotated, the operation panel 605 is slid along the inside of the support slide rail 602 through the adjustment block 604, and the movable height of the operation panel 605 is adjusted, so that the operation panel 605 can adapt to operators of different heights and operating habits, thereby improving the versatility of the test bench.
[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A pressure flow valve test bench, comprising a test bench body (1), characterized in that: The test bench body (1) is provided with a mounting mechanism for a pressure flow valve, the mounting mechanism comprising: The clamping assembly comprises a test bench body (1) having an upper end surface provided with a mounting platform (2) for fixing a valve to be tested, a driving block (201) connected via a driving assembly being provided on both sides of the upper end surface of the mounting platform (2), and a clamping plate (3) connected via an elastic assembly being provided inside the driving block (201); The protection assembly comprises a front end wall of a test bench body (1) fixedly connected to a support shell (4), wherein a protection shell (401) connected via a push assembly is slidably arranged inside the support shell (4); The adjustment component comprises a fixed plate (6) fixedly connected to the side wall of the test bench body (1), a support slide rail (602) connected via an opening and closing component is rotatably arranged inside the fixed plate (6), and an operating panel (605) connected via a lifting component is arranged inside the support slide rail (602).
2. A pressure flow valve test bench according to claim 1, characterized in that: The driving assembly comprises a mounting platform (2) having a driving gear (202) arranged at the center thereof, and the driving gear (202) is driven by a micro motor, one side of the driving gear (202) is meshedly connected to a first gear rod (203), the other side of the driving gear (202) is meshedly connected to a second gear rod (205), and a sliding groove (204) for sliding the second gear rod (205) is provided inside the mounting platform (2), the driving block (201) is fixedly connected to the upper end of the first gear rod (203), and the driving block (201) is slidably connected to the surface of the mounting platform (2), and the first gear rod (203) and the second gear rod (205) are obliquely symmetrically distributed with respect to the driving gear (202).
3. A pressure flow valve test bench according to claim 1, characterized in that: The two side walls of the mounting platform (2) are provided with positioning grooves (207), the interior of the positioning grooves (207) is slidably connected with positioning blocks (206), and the upper inner wall of the positioning block (206) is fixedly connected to the driving block (201).
4. A pressure flow valve test bench according to claim 1, characterized in that: The elastic component comprises a cavity groove (302) with a T-shaped structure opened inside the driving block (201); a spring (303) is fixedly connected to the inner wall of the cavity groove (302); a slide plate (304) is fixedly connected to the other end of the spring (303); a clamping block (305) is fixedly connected to the side wall of the slide plate (304); a clamping block (301) is slidably connected to the lower end of the cavity groove (302); the clamping plate (3) is fixedly connected to the front end wall of the clamping block (301); and the clamping block (301) is clamped and connected to the clamping block (305).
5. The pressure flow valve test bench according to claim 1, characterized in that: The push assembly comprises a movable groove (5) provided inside the test bench body (1); the inner wall of the movable groove (5) is fixedly connected to a first electric push rod (501); the telescopic end of the push rod (501) is fixedly connected to a push block (502); support rods (503) rotatably connected via a rotating shaft are provided inside both sides of the push block (502); the protective shell (401) is slidably connected inside the support shell (4); the upper end of the protective shell (401) is rotatably connected to the other end of the support rod (503) via a rotating shaft inside the concave block.
6. A pressure flow valve test bench according to claim 1, characterized in that: The opening and closing assembly comprises a support frame (601) rotatably connected inside a fixed plate (6); the support slide rail (602) is fixedly connected at the end of the support frame (601); a second electric push rod (7) rotatably connected via a rotating shaft is disposed on the side wall of the test bench body (1); a rotating shaft is disposed at the telescopic end of the second electric push rod (7) to form a rotating structure with the side wall of the support slide rail (602).
7. The pressure flow valve test bench according to claim 1, characterized in that: The lifting assembly comprises a screw rod (603) rotatably connected to the inner wall of a supporting slide rail (602); an adjusting block (604) is slidably connected inside the supporting slide rail (602); the operating panel (605) is fixedly connected to the front end of the adjusting block (604); and the adjusting block (604) is threadedly connected to the screw rod (603).
8. The pressure flow valve test bench according to claim 1, characterized in that: Two groups of clamping plates (3) are arranged inside the driving block (201) and are used to perform clamping tests on multiple valves to be tested.