Pneumatic valve testing device

Abstract

The utility model relates to the technical field of pneumatic valve testing, and discloses a pneumatic valve testing device which comprises a base and a testing mechanism. Supporting legs are arranged at the bottom end of the base; the testing mechanism comprises a testing motor, a vibration assembly, a conveying belt device, a testing seat, a supporting rod, a moving part, a limiting seat, a limiting part, a pressure monitoring device, a constant-pressure air tank, a first connecting pipe and a second connecting pipe. The vibration assembly comprises a rotating seat, a first vibration piece and a second vibration piece; through arrangement of the base and the testing mechanism, a limiting seat and a limiting piece are matched to communicate with a pneumatic valve, a pressure monitoring device, a constant-pressure air tank, a first connecting pipe and a second connecting pipe are matched to communicate with the pneumatic valve, and a testing motor and a conveying belt device drive a testing seat to move up and down through a first vibrating piece and a second vibrating piece; and vibration testing is performed on the pneumatic valve, so that vibration testing can be performed on pneumatic valves of different specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic valve testing, in particular to a pneumatic valve testing device. Background Art

[0002] A pneumatic valve is a valve that controls the flow of a medium through a pneumatic device. It controls the pressure or flow of the gas source to drive the valve core or valve cover to open, close or adjust the flow and pressure of the medium. Pneumatic valves are usually used in industrial automation control systems and have the characteristics of fast response, high reliability, and suitability for high temperature and high pressure.

[0003] After the pneumatic valve is produced, its performance needs to be tested and verified to evaluate its performance parameters and ensure its normal operation and efficient work. Therefore, a pneumatic valve testing device is needed.

[0004] The existing pneumatic valve testing device has certain disadvantages when in use. When in use, the existing pneumatic valve testing device usually performs an impact resistance test on the pneumatic valve after the pneumatic valve is installed and fixed. However, the current structure is relatively complex and the cost is relatively high. Therefore, it cannot meet people's needs. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a pneumatic valve testing device, which can solve the technical problems raised in the background technology.

[0007] (II) Technical solution

[0008] The utility model is implemented by the following technical scheme: a pneumatic valve testing device, comprising a base and a testing mechanism arranged on the base; wherein, the bottom end of the base is symmetrically provided with a plurality of groups of support feet with adjustable heights; the testing mechanism comprises a testing motor detachably mounted on the upper end of the base, a vibration component detachably mounted on one side of the testing motor, a conveyor belt device respectively connected to the testing motor and the testing component, and a testing seat arranged outside the vibration component, the conveyor belt device comprises two groups of transmission wheels and a conveyor belt arranged on the two groups of transmission wheels, the testing motor can control the testing seat to vibrate up and down through the conveyor belt device and the vibration component; the testing mechanism also comprises a plurality of support rods detachably mounted on the upper end of the base and a plurality of moving parts movably arranged on the upper end of the support rods and detachably fixed to the testing seat, the support rods and the moving parts can assist the testing seat to vibrate up and down; the vibration component comprises a detachable mounting A rotating seat mounted on the upper end of the base, a first vibrating member rotatably arranged on the rotating seat, and a second vibrating member detachably mounted on the bottom end of the test seat, the first vibrating member can control the second vibrating member to move up and down; the first vibrating member is fitted and connected with the second vibrating member; the test mechanism also includes a limit seat detachably mounted on the upper end of the test seat, a limit member detachably and symmetrically mounted on the limit seat, and a pressure monitoring device arranged on one side of the limit seat, the limit seat and the limit member cooperate to limit the pneumatic valve; the test mechanism also includes a constant pressure air tank detachably mounted on the upper end of the base, a first connecting pipe arranged on the constant pressure air tank, and a second connecting pipe arranged on the pressure monitoring device; the limit seat can hold the pneumatic valve to be tested, and the two ends of the pneumatic valve are respectively connected to the first connecting pipe and the second connecting pipe, and the constant pressure air tank, the first connecting pipe, the pneumatic valve, the second connecting pipe and the pressure monitoring device are connected in sequence.

[0009] Preferably, the first vibrating member includes a rotating rod rotatably arranged on a rotating seat and a first vibrating block eccentrically arranged with the rotating rod, one end of the rotating rod extends out of the rotating seat and is detachably connected to the conveyor belt device, the test motor controls the rotating rod to rotate through the conveyor belt device, and the rotating rod drives the second vibrating member to move up and down through the first vibrating block.

[0010] Preferably, the second vibration member includes a mounting member detachably mounted on the bottom end of the test seat and a second vibration block detachably arranged on the inner side of the mounting member, the second vibration block is aligned and fitted with the first vibration block, and the first vibration block can drive the second vibration block to move up and down.

[0011] Preferably, two groups of first connecting members are symmetrically and detachably installed on the bottom end surface of the test seat, and a second connecting member corresponding to the first connecting member is installed on the base, the first connecting member includes a connecting block in an "L"-shaped structure and a reinforcement rod vertically arranged on the connecting block, the reinforcement rod is provided with a connecting groove for connecting the upper end of a buffer spring, the second connecting member includes a threaded rod and two groups of threaded blocks symmetrically and movably arranged on the threaded rod, the threaded rod is provided with a connecting hole for connecting the lower end of a buffer spring, the first connecting member is provided with a buffer spring connected to the second connecting member, and when the test seat moves, the buffer spring can be driven to move by the first connecting member.

[0012] Preferably, the limit seat has a "U"-shaped structure, and a support block is detachably installed in the middle of the inner bottom surface of the limit seat. The upper end of the support block is provided with a suction cup that adsorbs the pneumatic valve, and the suction cup can be connected to the bottom end of the pneumatic valve.

[0013] Preferably, the limit member includes a limit block and a limit rod vertically arranged on the rear end face of the limit block, and a hydraulic cylinder is symmetrically arranged on the outer side of the limit seat, and the output shaft of the hydraulic cylinder extends into the interior of the limit seat and is detachably connected to one end of the limit rod. The hydraulic cylinder controls the movement of the limit block through the limit rod, thereby limiting the pneumatic valve.

[0014] Preferably, the bottom end of the support rod is provided with a mounting block detachably fixed to the base, and the upper end of the base is provided with a mounting seat for mounting the test motor.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a pneumatic valve testing device, which has the following beneficial effects:

[0017] This pneumatic valve testing device, through the provided base and testing mechanism, the limit seat and the limit member cooperate to be able to connect with the pneumatic valve, the pressure monitoring device, the constant pressure air tank, the first connecting pipe and the second connecting pipe cooperate to be able to connect with the pneumatic valve, the test motor and the conveyor belt device drive the test seat to move up and down through the first vibrating member and the second vibrating member to perform vibration testing on the pneumatic valve, which is convenient for vibration testing of pneumatic valves of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a partial structural diagram of the utility model.

[0019] Figure 2 It is a partial structural diagram of the base and the testing mechanism in the utility model.

[0020] Figure 3 It is a partial structural diagram of the rotating seat and the first vibrating member in the utility model.

[0021] Figure 4 It is a partial structural diagram of the limiting seat and the limiting member in the utility model.

[0022] In the figure: 1. base; 2. supporting foot; 3. test motor; 4. conveyor belt device; 5. test seat; 6. support rod; 7. moving part; 8. rotating seat; 9. first vibrating part; 10. second vibrating part; 11. limit seat; 12. limit member; 13. pressure monitoring device; 14. constant pressure air tank; 15. first connecting pipe; 16. second connecting pipe; 17. rotating rod; 18. first vibrating block; 19. mounting part; 20. second vibrating block; 21. first connecting part; 22. second connecting part; 23. buffer spring; 24. supporting block; 25. suction cup; 26. limit block; 27. limit rod; 28. hydraulic cylinder; 29. ​​mounting block; 30. mounting seat. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0024] Example 1: Please refer to Figure 1 - Figure 4A pneumatic valve testing device of the present embodiment comprises a base 1 and a testing mechanism arranged on the base 1; wherein, a plurality of groups of height-adjustable supporting feet 2 are symmetrically arranged at the bottom end of the base 1, and a controller for controlling a testing motor 3 to start is arranged on the base 1; the testing mechanism comprises a testing motor 3 detachably mounted on the upper end of the base 1, a vibration component detachably mounted on one side of the testing motor 3, a conveyor belt device 4 connected to the testing motor 3 and the testing component respectively, and a testing seat 5 arranged on the outside of the vibration component, the conveyor belt device 4 comprises two groups of conveyor wheels and conveyor belts arranged on the two groups of conveyor wheels, and the testing motor 3 can control the testing motor 3 through the conveyor belt device 4 and the vibration component The test seat 5 vibrates up and down; the test mechanism also includes several groups of support rods 6 detachably mounted on the upper end of the base 1 and several groups of moving parts 7 movably arranged on the upper end of the support rods 6 and detachably fixed to the test seat 5, the support rods 6 and the moving parts 7 can assist the test seat 5 to vibrate up and down; the vibration assembly includes a rotating seat 8 detachably mounted on the upper end of the base 1, a first vibrating member 9 rotatably arranged on the rotating seat 8 and a second vibrating member 10 detachably mounted on the bottom end of the test seat 5, the first vibrating member 9 can control the second vibrating member 10 to move up and down; the first vibrating member 9 is fitted and connected to the second vibrating member 10; the test mechanism also includes a plurality of support rods 6 detachably mounted on the upper end of the test seat 5 A limit seat 11, a limit member 12 detachably and symmetrically mounted on the limit seat 11, and a pressure monitoring device 13 arranged on one side of the limit seat 11. The limit seat 11 and the limit member 12 cooperate to limit the pneumatic valve; the testing mechanism also includes a constant pressure air tank 14 detachably mounted on the upper end of the base 1, a first connecting pipe 15 arranged on the constant pressure air tank 14, and a second connecting pipe 16 arranged on the pressure monitoring device 13; the limit seat 11 can place the pneumatic valve to be tested, and the two ends of the pneumatic valve are respectively connected to the first connecting pipe 15 and the second connecting pipe 16, the constant pressure air tank 14, the first connecting pipe 15, the pneumatic valve, the second connecting pipe 16 and the pressure monitoring device 13 are connected in sequence, the pneumatic valve is placed on the limit seat 11, the pneumatic valve is limited by the limit member 12, the first connecting pipe 15 and the second connecting pipe 16 are connected to the pneumatic valve, so that the constant pressure air tank 14 inflates the pneumatic valve, and the pressure monitoring device 13 monitors the internal pressure of the pneumatic valve, the test motor 3 is started, and the first vibrating member 9 is driven to rotate on the rotating seat 8 through the conveyor belt device 4, the first vibrating member 9 drives the second vibrating member 10 to vibrate up and down, so that the second vibrating member 10 drives the test seat 5 to vibrate up and down, and the pneumatic valve is vibrated. The test seat 5 is moved up and down on the support rod 6 through the moving member 7.

[0025] The first vibrating member 9 includes a rotating rod 17 rotatably arranged on the rotating seat 8 and a first vibrating block 18 eccentrically arranged with the rotating rod 17. One end of the rotating rod 17 extends out of the rotating seat 8 and is detachably connected to the conveyor belt device 4. The test motor 3 controls the rotating rod 17 to rotate through the conveyor belt device 4. The rotating rod 17 drives the second vibrating member 10 to move up and down through the first vibrating block 18. The test motor 3 is started, and the rotating rod 17 is driven to rotate through the conveyor belt device 4. The rotating rod 17 drives the first vibrating block 18 to rotate.

[0026] The second vibrating member 10 includes a mounting member 19 detachably mounted on the bottom end of the test seat 5 and a second vibrating block 20 detachably arranged on the inner side of the mounting member 19. The second vibrating block 20 is aligned and fitted with the first vibrating block 18. The first vibrating block 18 can drive the second vibrating block 20 to move up and down. The mounting member 19 is fixed to the bottom end of the test seat 5. The rotating rod 17 drives the first vibrating block 18 to rotate, so that the first vibrating block 18 drives the second vibrating block 20 to move up and down, and the second vibrating block 20 drives the mounting member 19 to move up and down, thereby driving the test seat 5 to vibrate up and down.

[0027] Two groups of first connecting members 21 are symmetrically and detachably installed on the bottom end surface of the test seat 5, and a second connecting member 22 corresponding to the first connecting member 21 is installed on the base 1. The first connecting member 21 includes a connecting block in an "L"-shaped structure and a reinforcing rod vertically arranged on the connecting block, and the reinforcing rod is provided with a connecting groove for connecting the upper end of the buffer spring 23. The second connecting member 22 includes a threaded rod and two groups of threaded blocks symmetrically and movably arranged on the threaded rod, and the threaded rod is provided with a connecting hole for connecting the lower end of the buffer spring 23. The first connecting member 21 is provided with a buffer spring 23 connected to the second connecting member 22. When the test seat 5 moves, the buffer spring 23 can be driven to move by the first connecting member 21. The test seat 5 vibrates up and down to drive the first connecting member 21 to move, and the first connecting member 21 drives the buffer spring 23 to extend and retract; the first connecting member 21 is detachably installed on the test seat 5, the second connecting member 22 is installed on the base 1, and the two ends of the buffer spring 23 are respectively connected to the first connecting member 21 and the second connecting member 22.

[0028] The limit seat 11 has a "U"-shaped structure. A support block 24 is detachably installed in the middle of the inner bottom surface of the limit seat 11. A suction cup 25 that is adsorbed on the pneumatic valve is provided on the upper end of the support block 24. The suction cup 25 can be connected to the bottom end of the pneumatic valve. The limit member 12 includes a limit block 26 and a limit rod 27 vertically arranged on the rear end surface of the limit block 26. A hydraulic cylinder 28 is symmetrically arranged on the outer side of the limit seat 11. The output shaft of the hydraulic cylinder 28 extends into the interior of the limit seat 11 and is detachably connected to one end of the limit rod 27. The hydraulic cylinder 28 controls the movement of the limit block 26 through the limit rod 27, thereby limiting the pneumatic valve. The hydraulic cylinder 28 is started to drive the limit rod 27 to move, and the limit rod 27 drives the limit block 26 to move, and the limit block 26 clamps and limits the pneumatic valve.

[0029] The bottom end of the support rod 6 is provided with a mounting block 29 detachably fixed to the base 1 , and the top end of the base 1 is provided with a mounting seat 30 for mounting the test motor 3 .

[0030] When the pneumatic valve testing device is in use, the pneumatic valve is placed on the limit seat 11, the pneumatic valve is limited by the limit member 12, the first connecting pipe 15 and the second connecting pipe 16 are connected to the pneumatic valve, so that the constant pressure air tank 14 inflates the pneumatic valve, and the pressure monitoring device 13 monitors the internal pressure of the pneumatic valve, and the test motor 3 is started, and the first vibrating member 9 is driven to rotate on the rotating seat 8 through the conveyor belt device 4, and the first vibrating member 9 drives the second vibrating member 10 to vibrate up and down, so that the second vibrating member 10 drives the test seat 5 to vibrate up and down, and the pneumatic valve is subjected to a vibration test, and the test seat 5 is moved up and down on the support rod 6 through the moving member 7;

[0031] Fix the mounting member 19 to the bottom end of the test seat 5, start the test motor 3, drive the rotating rod 17 to rotate through the conveyor belt device 4, and the rotating rod 17 drives the first vibration block 18 to rotate, so that the first vibration block 18 drives the second vibration block 20 to move up and down, and the second vibration block 20 drives the mounting member 19 to move up and down, thereby driving the test seat 5 to vibrate up and down;

[0032] The first connecting member 21 is detachably mounted on the test seat 5, the second connecting member 22 is mounted on the base 1, and both ends of the buffer spring 23 are respectively connected to the first connecting member 21 and the second connecting member 22;

[0033] The hydraulic cylinder 28 controls the movement of the limit block 26 through the limit rod 27, thereby limiting the pneumatic valve. The hydraulic cylinder 28 is started to drive the limit rod 27 to move, and the limit rod 27 drives the limit block 26 to move, and the limit block 26 clamps and limits the pneumatic valve.

[0034] This pneumatic valve testing device, through the set base 1 and testing mechanism, the limit seat 11 and the limit member 12 cooperate to be able to test the pneumatic valve, the pressure monitoring device 13, the constant pressure air tank 14, the first connecting pipe 15 and the second connecting pipe 16 cooperate to be connected to the pneumatic valve, the test motor 3 and the conveyor belt device 4 drive the test seat 5 to move up and down through the first vibrator 9 and the second vibrator 10, and perform vibration testing on the pneumatic valve, which is convenient for vibration testing of pneumatic valves of different specifications.

[0035] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A pneumatic valve testing device, characterized in that: include: A base (1) and a testing mechanism arranged on the base (1); Wherein, a plurality of groups of height-adjustable support feet (2) are symmetrically arranged at the bottom end of the base (1); The test mechanism comprises a test motor (3) detachably mounted on the upper end of the base (1), a vibration assembly detachably mounted on one side of the test motor (3), a conveyor belt device (4) respectively connected to the test motor (3) and the test assembly, and a test seat (5) arranged outside the vibration assembly; The testing mechanism further comprises a plurality of groups of support rods (6) detachably mounted on the upper end of the base (1) and a plurality of groups of moving parts (7) movably arranged on the upper ends of the support rods (6) and detachably fixed to the testing seat (5); The vibration assembly comprises a rotating seat (8) detachably mounted on the upper end of the base (1), a first vibration member (9) rotatably arranged on the rotating seat (8), and a second vibration member (10) detachably mounted on the bottom end of the test seat (5); The first vibrating member (9) is closely connected to the second vibrating member (10); The testing mechanism further comprises a limit seat (11) detachably mounted on the upper end of the testing seat (5), a limit member (12) detachably and symmetrically mounted on the limit seat (11), and a pressure monitoring device (13) arranged on one side of the limit seat (11); The testing mechanism further comprises a constant pressure air tank (14) detachably mounted on the upper end of the base (1), a first connecting pipe (15) arranged on the constant pressure air tank (14), and a second connecting pipe (16) arranged on the pressure monitoring device (13); The limiting seat (11) can be used to place a pneumatic valve to be tested, and two ends of the pneumatic valve are respectively connected to the first connecting pipe (15) and the second connecting pipe (16).

2. A pneumatic valve testing device as claimed in claim 1, characterized in that: The first vibrating member (9) comprises a rotating rod (17) rotatably mounted on a rotating seat (8) and a first vibrating block (18) eccentrically mounted to the rotating rod (17); one end of the rotating rod (17) extends out of the rotating seat (8) and is detachably connected to the conveyor belt device (4); and the test motor (3) controls the rotating rod (17) to rotate via the conveyor belt device (4).

3. A pneumatic valve testing device as claimed in claim 1, characterized in that: The second vibration member (10) comprises a mounting member (19) detachably mounted on the bottom end of the test seat (5) and a second vibration block (20) detachably arranged inside the mounting member (19), wherein the second vibration block (20) is aligned and fitted with the first vibration block (18).

4. A pneumatic valve testing device as claimed in claim 1, characterized in that: Two groups of first connecting members (21) are symmetrically and detachably mounted on the bottom end surface of the test seat (5); second connecting members (22) corresponding to the first connecting members (21) are mounted on the base (1); and a buffer spring (23) connected to the second connecting member (22) is arranged on the first connecting member (21).

5. A pneumatic valve testing device as claimed in claim 1, characterized in that: The limit seat (11) has a U-shaped structure, and a support block (24) is detachably mounted in the middle of the inner bottom surface of the limit seat (11), and a suction cup (25) for adsorbing the pneumatic valve is provided at the upper end of the support block (24).

6. A pneumatic valve testing device as claimed in claim 1, characterized in that: The limiting member (12) comprises a limiting block (26) and a limiting rod (27) vertically arranged on the rear end surface of the limiting block (26); a hydraulic cylinder (28) is symmetrically arranged on the outer side of the limiting seat (11); an output shaft of the hydraulic cylinder (28) extends into the interior of the limiting seat (11) and is detachably connected to one end of the limiting rod (27).

7. A pneumatic valve testing device as claimed in claim 1, characterized in that: The bottom end of the support rod (6) is provided with a mounting block (29) that is detachably fixed to the base (1), and the top end of the base (1) is provided with a mounting seat (30) for mounting the test motor (3).

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