CN219244902U

CN219244902U - Safety valve sealing test inspection tool

Info

Publication number: CN219244902U
Application number: CN202222552978.1U
Authority: CN
Inventors: 王松一; 伏仁生; 孙浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-06-23
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a safety valve sealing test inspection tool, which comprises a transparent inspection box, wherein clean water is arranged in the transparent inspection box, a positioning mechanism for positioning a safety valve body is arranged in the transparent inspection box, and a rotating mechanism for rotating the positioning mechanism is arranged on the outer surface of the transparent inspection box; the positioning mechanism comprises a rotating shaft rotatably arranged on the inner wall of the transparent inspection box and a positioning frame fixedly arranged on the surface of the rotating shaft. This sealing test inspection tool of relief valve, at in-service use's in-process, can be through observing whether there is the bubble to produce in the inside of transparent inspection case, have the bubble to produce and then demonstrate this relief valve gas leakage, sealing performance is not good, does not have the bubble to produce and then demonstrate this relief valve sealing performance is good, and then makes this inspection tool carry out the leakproofness experiment to the relief valve body, can be according to whether the production audio-visual sealing performance of judging this relief valve of bubble, simple and practical.

Description

Safety valve sealing test inspection tool

Technical Field

The utility model relates to the technical field of safety valve tests, in particular to a safety valve sealing test checking tool.

Background

The safety valve is a special valve which is in a normally closed state under the action of external force and prevents the medium pressure in the pipeline or the equipment from exceeding a specified value by discharging the medium to the outside of the system when the medium pressure in the equipment or the pipeline rises to exceed the specified value.

After the production of the existing safety valve, the sealing performance of the existing safety valve needs to be detected, but in the actual use process of the existing inspection tool, whether air leakage exists again or not is judged by means of readings of an instrument, an intuitive judging mechanism is lacked, after the instrument is used for a long time, faults are easy to occur, accuracy of detection data is affected, and the practicability is low.

For this purpose, we propose a safety valve seal test inspection tool.

Disclosure of Invention

The utility model aims to provide a safety valve sealing test and inspection tool for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a relief valve seal test inspection tool, includes transparent inspection box, transparent inspection box's inside is provided with clean water, and transparent inspection box's inside is provided with the positioning mechanism that is used for carrying out the location to the relief valve body, and transparent inspection box's surface is provided with the slewing mechanism that is used for carrying out pivoted to the positioning mechanism;

the positioning mechanism comprises a rotating shaft which is rotatably arranged on the inner wall of the transparent inspection box, and a positioning frame which is fixedly arranged on the surface of the rotating shaft, wherein a first positioning disk is fixedly arranged on the inner bottom wall of the positioning frame, the positioning mechanism further comprises a first threaded hole which is formed in the upper surface of the positioning frame, and a threaded column which is in threaded connection with the inner wall of the first threaded hole, the top end of the threaded column is fixedly provided with a rotating disk, the bottom end of the threaded column is rotatably provided with a second positioning disk, and two interface parts of the safety valve body are respectively abutted against and fixed with the surfaces of the second positioning disk and the first positioning disk;

the back of the transparent inspection box is provided with a pressurizing mechanism for pressurizing the inside of the safety valve body.

Preferably, the rotating mechanism comprises a servo motor fixedly arranged on the outer surface of the transparent inspection box, one end of the rotating shaft extends to the outer part of the transparent inspection box, and the meshed fluted disc is fixedly arranged at one end of the rotating shaft and the output end of the servo motor, so that gear transmission is realized, and the flexibility in rotation is improved.

Preferably, the pressurizing mechanism comprises a fixed box fixedly arranged on the back surface of the transparent inspection box and a driving motor fixedly arranged on the inner wall of the fixed box.

Preferably, the inner wall of the fixed box is fixedly provided with a sealing plate, the output end of the driving motor is fixedly provided with a screw rod, the surface of the screw rod is in threaded connection with a moving disc, the inner wall of the fixed box is in sliding connection with a sealing piston plate, the surface of the moving disc is fixedly provided with two symmetrical ejector rods, one ends of the two ejector rods, far away from the moving disc, are fixedly connected with the surface of the sealing piston plate, and the side surface of the sealing plate is provided with sliding holes for the two ejector rods.

Preferably, the surface of the fixed box is embedded with a pressurizing hose extending to the inside of the transparent inspection box, the upper surface of the first positioning disc is provided with a concave groove, and one end of the pressurizing hose, which is far away from the fixed box, extends to the inside of the concave groove.

Preferably, the movable disc and the sealing piston plate are rectangular and are in sliding connection with the inner wall of the fixed box, and a second threaded hole in threaded connection with the surface of the screw rod is formed in the side face of the movable disc.

Advantageous effects

The utility model provides a safety valve sealing test and inspection tool, which has the following beneficial effects:

1. this sealing test inspection tool of relief valve, at in-service use's in-process, can be through observing whether there is the bubble to produce in the inside of transparent inspection case, have the bubble to produce and then demonstrate this relief valve gas leakage, sealing performance is not good, does not have the bubble to produce and then demonstrate this relief valve sealing performance is good, and then makes this inspection tool carry out the leakproofness experiment to the relief valve body, can be according to whether the production audio-visual sealing performance of judging this relief valve of bubble, simple and practical.

2. This sealing test inspection tool of relief valve, after placing the relief valve body on first positioning disk, can drive the screw thread post through the rotation rolling disk and rotate to drive second positioning disk downwardly moving and with the effectual location of relief valve body on first positioning disk and second positioning disk, realize the quick location to the relief valve body, improved the stability of relief valve when inspecting.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic rear view of the present utility model;

fig. 3 is a schematic rear sectional view of the fixing case of the present utility model.

In the figure: 1 transparent inspection box, 2 clean water, 3 relief valve body, 4 axis of rotation, 5 locating frame, 6 first locating disk, 7 screw thread post, 8 rolling disk, 9 second locating disk, 10 servo motor, 11 fluted disc, 12 fixed box, 13 driving motor, 14 closing plate, 15 lead screw, 16 moving disk, 17 sealing piston plate, 18 ejector pin, 19 pressurization hose.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a relief valve seal test inspection tool, includes transparent inspection box 1, and transparent inspection box 1's inside is provided with clean water 2, and transparent inspection box 1's inside is provided with the positioning mechanism that is used for carrying out the location to relief valve body 3, and transparent inspection box 1's surface is provided with the rotary mechanism that is used for carrying out the rotation to the positioning mechanism;

the positioning mechanism comprises a rotating shaft 4 which is rotatably arranged on the inner wall of the transparent inspection box 1, and a positioning frame 5 which is fixedly arranged on the surface of the rotating shaft 4, the rotating mechanism comprises a servo motor 10 which is fixedly arranged on the outer surface of the transparent inspection box 1, one end of the rotating shaft 4 extends to the outside of the transparent inspection box 1, and a fluted disc 11 which is meshed with the output end of the servo motor 10 is fixedly arranged at one end of the rotating shaft 4.

The first positioning disk 6 has been set firmly to the interior bottom wall of locating frame 5, positioning mechanism still includes the first screw hole of seting up at locating frame 5 upper surface, and threaded connection is at the screw thread post 7 of first screw hole inner wall, the top of screw thread post 7 has set firmly rolling disc 8, the bottom rotation of screw thread post 7 is provided with second positioning disk 9, two interface departments of relief valve body 3 support tightly fixedly with the surface of second positioning disk 9 and first positioning disk 6 respectively, and the surface of first positioning disk 6 and second positioning disk 9 all is provided with the sealing washer with the interface department looks adaptation of relief valve body 3.

This sealing test inspection tool of relief valve, after placing relief valve body 3 on first positioning disk 6, can drive screw thread post 7 through rotating disk 8 and rotate to drive second positioning disk 9 downwardly moving and with the effectual location of relief valve body 3 on first positioning disk 6 and second positioning disk 9, realize the quick location to relief valve body 3, improved the stability of relief valve when the inspection, and can realize the effective seal to two interfaces departments of relief valve body 3 under the effect of sealing washer.

The back surface of the transparent inspection box 1 is provided with a pressurizing mechanism for pressurizing the inside of the safety valve body 3.

The pressurizing mechanism comprises a fixed box 12 fixedly arranged on the back surface of the transparent inspection box 1, and a driving motor 13 fixedly arranged on the inner wall of the fixed box 12.

The inner wall of the fixed box 12 is fixedly provided with a sealing plate 14, the output end of the driving motor 13 is fixedly provided with a lead screw 15, the surface of the lead screw 15 is in threaded connection with a movable disc 16, the inner wall of the fixed box 12 is in sliding connection with a sealing piston plate 17, the surface of the movable disc 16 is fixedly provided with two symmetrical ejector rods 18, one ends of the two ejector rods 18 far away from the movable disc 16 are fixedly connected with the surface of the sealing piston plate 17, and the side surface of the sealing plate 14 is provided with sliding holes for the two ejector rods 18 to slide.

The surface of the fixed box 12 is embedded with a pressurizing hose 19 extending to the inside of the transparent inspection box 1, and the upper surface of the first positioning disk 6 is provided with a concave groove, and one end of the pressurizing hose 19 away from the fixed box 12 extends to the inside of the concave groove.

The movable disk 16 and the sealing piston plate 17 are rectangular and slidably connected with the inner wall of the fixed box 12, and a second threaded hole in threaded connection with the surface of the screw rod 15 is formed in the side surface of the movable disk 16.

This check tool for sealing test of relief valve, in the in-service use, can fix a position relief valve body 3 in locating frame 5, start servo motor 10 and drive axis of rotation 4 rotation under the effect of fluted disc 11, axis of rotation 4's rotation drives locating frame 5 and changes to the horizontality from vertical state, make behind the location relief valve body 3 get into in the clean water 2 in the transparent inspection case 1, afterwards, start driving motor 13 and drive lead screw 15 rotation, the rotation of lead screw 15 drives movable disk 16 and removes, movable disk 16's removal passes through ejector pin 18 and drives sealed piston plate 17 and remove, thereby make the gas in the fixed case 12 get into in the relief valve body 3, realize carrying out the purpose of pressurization in the relief valve body 3, after the pressurization, after one minute of standing, observe whether there is the bubble to produce in the transparent inspection case 1, it indicates this relief valve gas leakage to have bubble production, sealing performance is not good, and no bubble production indicates this relief valve sealing performance is good, and then make this check tool carry out the leakproofness experiment to the relief valve body 3 when can be according to the bubble production and judge the sealing performance of this relief valve intuitively, it is simple and practical.

Although embodiments of the present utility model 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 principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a relief valve seal test inspection instrument, includes transparent inspection box (1), its characterized in that: clean water (2) is arranged in the transparent inspection box (1), a positioning mechanism used for positioning the safety valve body (3) is arranged in the transparent inspection box (1), and a rotating mechanism used for rotating the positioning mechanism is arranged on the outer surface of the transparent inspection box (1);

the positioning mechanism comprises a rotating shaft (4) which is rotatably arranged on the inner wall of the transparent inspection box (1), and a positioning frame (5) which is fixedly arranged on the surface of the rotating shaft (4), wherein a first positioning disc (6) is fixedly arranged on the inner bottom wall of the positioning frame (5), the positioning mechanism further comprises a first threaded hole which is formed in the upper surface of the positioning frame (5), and a threaded column (7) which is in threaded connection with the inner wall of the first threaded hole, a rotating disc (8) is fixedly arranged at the top end of the threaded column (7), a second positioning disc (9) is rotatably arranged at the bottom end of the threaded column (7), and two interfaces of the safety valve body (3) are respectively in tight contact and fixed with the surfaces of the second positioning disc (9) and the first positioning disc (6);

the back surface of the transparent inspection box (1) is provided with a pressurizing mechanism for pressurizing the inside of the safety valve body (3).

2. A safety valve seal test inspection tool according to claim 1, wherein: the rotating mechanism comprises a servo motor (10) fixedly arranged on the outer surface of the transparent inspection box (1), one end of the rotating shaft (4) extends to the outside of the transparent inspection box (1), and a fluted disc (11) which is meshed with the output end of the servo motor (10) is fixedly arranged at one end of the rotating shaft (4).

3. A safety valve seal test inspection tool according to claim 1, wherein: the pressurizing mechanism comprises a fixed box (12) fixedly arranged on the back surface of the transparent inspection box (1), and a driving motor (13) fixedly arranged on the inner wall of the fixed box (12).

4. A safety valve seal test inspection tool according to claim 3, wherein: the inner wall of fixed box (12) has set firmly closing plate (14), and the output of driving motor (13) has set firmly lead screw (15), the surface threaded connection of lead screw (15) has movable disk (16), the inner wall sliding connection of fixed box (12) has sealed piston board (17), the surface of movable disk (16) has set firmly two ejector pins (18) of symmetry, and the one end that movable disk (16) was kept away from to two ejector pins (18) all is connected with the surface fixed of sealed piston board (17), the gliding slide hole of confession two ejector pins (18) has been seted up to the side of closing plate (14).

5. A safety valve seal test inspection tool according to claim 3, wherein: the surface of the fixed box (12) is embedded with a pressurizing hose (19) extending to the inside of the transparent inspection box (1), the upper surface of the first positioning disc (6) is provided with a concave groove, and one end of the pressurizing hose (19) away from the fixed box (12) extends to the inside of the concave groove.

6. A safety valve seal test inspection tool according to claim 4, wherein: the movable disc (16) and the sealing piston plate (17) are rectangular and are in sliding connection with the inner wall of the fixed box (12), and a second threaded hole in threaded connection with the surface of the screw rod (15) is formed in the side face of the movable disc (16).