CN212300834U

CN212300834U - Hydraulic test bench suitable for various valves

Info

Publication number: CN212300834U
Application number: CN202021218507.1U
Authority: CN
Inventors: 黄秀武; 余川斌; 王诚赟; 黄俊常; 吴宗学
Original assignee: Lishui Xiuwu Hydraulic Co ltd
Current assignee: Lishui Xiuwu Hydraulic Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-01-05
Anticipated expiration: 2030-06-28

Abstract

The invention relates to the field of valve testing devices, in particular to a hydraulic test board suitable for various valves. Including workstation and control cabinet, the inside pneumatic cylinder that is provided with of workstation, the pneumatic cylinder upper end is connected and is provided with a connecting rod, and the connecting rod is provided with a clamping jaw, and the clamping jaw middle part is provided with the logical groove that an inner wall has the tooth's socket, and the connecting rod top is rotated and is connected and be provided with a bull stick that link up logical groove, and the bull stick outside is provided with the latch with tooth's socket matched with for the clamping jaw with state connecting rod sliding connection, the bull stick top still is provided with a. The utility model overcomes the relatively poor defect of valve test bench among the prior art to the suitability of unidimensional hydrovalve, have the advantage that can have good suitability to unidimensional valve, can play the shock attenuation buffering effect simultaneously in the test procedure, effectively protect the valve of clamping jaw and test and can keep the stability of valve position all the time in the centre gripping in-process.

Description

Hydraulic test bench suitable for various valves

Technical Field

The invention relates to the field of valve testing devices, in particular to a hydraulic test board suitable for various valves.

Background

The last procedure after valve production and valve disassembly, inspection and maintenance is pressure test detection, so that the valve detection equipment is the fundamental guarantee of the tightness quality of the valve and the valve after inspection and maintenance. The hydraulic valve test board integrates hydraulic pressure, machinery, electric appliances and a hydraulic water supply pump and is compressed by a hydraulic oil cylinder. When the performance test is carried out on the tested valve, the hydraulic system is a main power source of the test bed and is used for the function execution of the hydraulic oil cylinder drive and the liquid water supply pump. The hydraulic oil cylinder compression working pressure is adjusted and pressurized according to different valve test pressure grades, and the compression is required to be guaranteed to be reliable, so that the function of the hydraulic oil cylinder compression working pressure meets the requirements of testing of valves with different drift diameter sizes and pressure grades.

For example a valve hydraulic test bench of application No. cn201720379067. x. The problem that the existing hydraulic test bench has low test efficiency is mainly solved. Valve hydraulic pressure testboard, it is including the switch board of mutually supporting, testing arrangement and unable adjustment base, both ends about unable adjustment base are fixed connection to switch board and testing arrangement respectively, testing arrangement is including the test bench of mutually supporting, compress tightly seal assembly, horizontal hydraulic component and lift hydraulic component, be provided with on the test bench with compress tightly the test slide of seal assembly looks adaptation, the quantity of test slide sets up to four groups, all be provided with limit switch on every group test slide, horizontal hydraulic component is including the horizontal pneumatic cylinder I of mutually supporting, horizontal pneumatic cylinder II, vertical pneumatic cylinder I and vertical pneumatic cylinder II, be provided with infrared sensor I on the horizontal hydraulic component. This valve hydraulic pressure testboard simple structure is reasonable, and efficiency of software testing is high, and the measuring accuracy is high, and is practical convenient, operates steadily, and long service life is but it also has the weak point, and for example the size of its clamping jaw is fixed, leads to it can't lead to the hydrovalve of size difference to carry out the general distribution for its suitability is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome the relatively poor defect of suitability of valve test bench among the prior art to not unidimensional hydrovalve, provide a hydraulic test platform suitable for multiple valve, can effectively improve the suitability to various unidimensional valves.

In order to realize the purpose of the utility model, the utility model discloses a following technical scheme realizes:

the utility model provides a hydraulic test platform suitable for multiple valve, includes workstation and control cabinet, the inside a plurality of pneumatic cylinders that are provided with of workstation, the pneumatic cylinder upper end is connected and is provided with a connecting rod, the connecting rod is provided with a clamping jaw, the clamping jaw middle part is provided with the logical groove that an inner wall has the tooth's socket, the connecting rod top is rotated and is connected and is provided with a bull stick that link up logical groove, the bull stick outside is provided with the latch with tooth's socket matched with for the clamping jaw with state connecting rod sliding connection, the bull stick top still is provided with a handle, be provided with high pressure water pump and the low pressure water pump that is used for testing valve pressure resistance on the control cabinet, it is connected with the manometer.

The utility model provides a clamping jaw improves fixed clamping jaw among the prior art for it can sliding connection on the connecting rod, when needs test not unidimensional valve, only need the position of adjustment clamping jaw, just can effectively fix the position of valve, thereby realized the suitability to unidimensional valve.

Preferably, a buffer spring is sleeved outside the position of the connecting rod, which is positioned at the upper end of the workbench.

The utility model discloses be equipped with a buffer spring at the connecting rod overcoat, it can play the cushioning effect to the clamping jaw in the test procedure, effectively protects the valve of clamping jaw and test.

Preferably, a cushion pad is arranged in the middle of the workbench.

The utility model discloses set up the blotter on the workstation and can push down the in-process at the clamping jaw and play shock attenuation cushioning effect to the valve to can effectively protect the valve can not be destroyed by the mechanical pressure of clamping jaw in the test procedure.

Preferably, the middle part of the buffer pad is provided with a containing groove which can just contain the lower end surface of the valve.

Set up the effect that the holding tank can play the location on the cushion to make the test position of valve effectively fixed.

Preferably, the inner side wall of the accommodating groove is further provided with a pattern for increasing friction force.

Preferably, the bottom of the front end of the clamping jaw is also provided with a rubber elastic pad.

The purpose that sets up the rubber elastic cushion is first to protect and is pressing the in-process of butterfly to prevent damage valve, and the second is the fastness that promotes the tight dynamics of clamp and press the butterfly.

Preferably, the control console is further provided with a control button for controlling the whole test bench and a digital clock for displaying the test time.

Therefore, the utility model discloses following beneficial effect has:

(1) the valve adapter has good adaptability to valves of different sizes;

(2) the damping and buffering effect can be achieved in the testing process, and the clamping jaw and the tested valve are effectively protected;

(3) the valve position can be kept stable all the time in the clamping process.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a schematic sectional view of the cushion pad of the present invention.

Wherein: the device comprises a workbench 1, a control console 2, a clamping jaw 3, a hydraulic cylinder 4, a cushion pad 5, an accommodating groove 6, a high-pressure water pump 7, a low-pressure water pump 8, a pressure gauge 9, a connecting rod 10, a buffer spring 11, a rubber elastic pad 12, a control button 13, a digital clock 14, patterns 15, a through groove 16, a tooth groove 17, a rotating rod 18, a latch 19 and a handle 20.

Detailed Description

The invention is further described with reference to the drawings and the specific embodiments. The following description of the embodiments is provided to enable any person skilled in the art to make and use the invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the following embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.

Example 1

As shown in fig. 1 to 3, a hydraulic test platform suitable for various valves includes a workbench 1 and a console 2.

Wherein: 1 upper end of workstation is provided with 6 clamping jaws 3 that are cyclic annular and arrange, and 3 front end bottoms of clamping jaw still are provided with a rubber elastic pad 12 to can press from both sides tight valve's in-process and prevent damage valve, promote simultaneously to the tight dynamics of the clamp of valve and the tight fastness of clamp. The lower end of the clamping jaw 3 is detachably connected with a connecting rod 10 penetrating into the workbench 1, a buffer spring 11 is further sleeved outside the part of the connecting rod 10 positioned at the upper end of the workbench 1, and the part of the connecting rod 10 in the workbench 1 is linked with a hydraulic cylinder 4.

In addition, a through groove 16 with a tooth groove 17 on the inner wall is arranged in the middle of the clamping jaw 3, a rotating rod 18 penetrating through the through groove 16 is rotatably connected to the top of the connecting rod 10, a clamping tooth 19 matched with the tooth groove 17 is arranged on the outer side of the rotating rod 18, so that the clamping jaw 3 is slidably connected with the connecting rod 10, and a handle 20 is further arranged on the top of the rotating rod 18. When valves of different sizes need to be tested, the positions of the valves can be effectively fixed only by rotating the rotating rod 18 to adjust the positions of the clamping jaws 3, so that the adaptability to the valves of different sizes is realized.

In addition, 1 middle part of workstation still is provided with a blotter 5, and it can push down the in-process at clamping jaw 3 and play the shock attenuation cushioning effect to the valve to can effectively protect the valve can not be destroyed by the mechanical pressure of clamping jaw 3 in the test procedure, and 5 middle parts of blotter still are provided with one and can hold the holding tank 6 of terminal surface under the valve just, and it can play the effect of location, thereby makes the test position of valve effectively fixed.

The control console 2 is provided with a high-pressure water pump 7 and a low-pressure water pump 8 which are used for testing the pressure resistance of the valve and are respectively connected with a pressure gauge 9 which is also arranged on the control console 2, and the control console 2 is also provided with a control button 13 which is used for controlling the whole test console and a digital clock 14 which displays the test time.

As shown in fig. 4, the inside wall of the receiving groove 6 is further provided with a pattern 15 for increasing friction force, so that the stability of the valve after entering the receiving groove can be higher.

Claims

1. The hydraulic test bench suitable for various valves is characterized by comprising a workbench (1) and a control console (2), wherein a plurality of hydraulic cylinders (4) are arranged inside the workbench (1), the upper ends of the hydraulic cylinders (4) are connected and provided with a connecting rod (10), the connecting rod (10) is provided with a clamping jaw (3), the middle part of the clamping jaw (3) is provided with a through groove (16) with a tooth groove (17) on the inner wall, the top of the connecting rod (10) is rotatably connected with a rotating rod (18) which penetrates through the through groove (16), the outer side of the rotating rod (18) is provided with a clamping tooth (19) matched with the tooth groove (17), so that the clamping jaw (3) is slidably connected with the connecting rod (10), the top of the rotating rod (18) is also provided with a handle (20), and the control console (2) is provided with a high-pressure water pump (7) and a low-pressure water pump (8), which are respectively connected with a pressure gauge (9) which is also arranged on the control console (2).

2. The hydraulic test bench for various valves according to claim 1, wherein a buffer spring (11) is further sleeved outside the connecting rod (10) at the upper end of the workbench (1).

3. A hydraulic test bench for valves according to claim 1, characterized in that a buffer pad (5) is arranged in the middle of the bench (1).

4. A hydraulic test bench for valves according to claim 3, characterized in that the middle of the buffer pad (5) is provided with a receiving groove (6) which can just receive the lower end surface of the butterfly valve.

5. A hydraulic test bench for valves according to claim 4, characterized in that the inner side wall of the accommodating groove (6) is further provided with a pattern (15) for increasing friction.

6. A hydraulic test bench for valves according to claim 1, characterized in that the bottom of the front end of the clamping jaw (3) is further provided with a rubber elastic pad (12).

7. A hydraulic test bench for valves according to claim 1, characterized in that the control bench (2) is further provided with control buttons (13) for controlling the whole test bench and a digital clock (14) for displaying the test time.