CN221037999U

CN221037999U - Breather valve verifying attachment

Info

Publication number: CN221037999U
Application number: CN202322823452.7U
Authority: CN
Inventors: 冯丽; 郭芳; 王源杰; 王巨涛; 赵蕾; 孙玉
Original assignee: Shandong Botai Measurement And Testing Co ltd
Current assignee: Shandong Botai Measurement And Testing Co ltd
Priority date: 2023-10-20
Filing date: 2023-10-20
Publication date: 2024-05-28
Anticipated expiration: 2033-10-20

Abstract

The utility model is suitable for the technical field of oil storage tank safety accessory detection, and provides a breather valve inspection device which comprises an isolation cover, wherein a U-shaped pipe is fixedly connected to the side wall of the isolation cover, marking liquid is filled in the U-shaped pipe, a piston plate is connected in a sliding manner in the isolation cover, a piston rod is fixedly connected to the top of the piston plate, the piston rod penetrates through the isolation cover and is fixedly connected with a stop block, a spring is sleeved on the piston rod, one end of the spring is fixedly connected to the bottom of the stop block, the other end of the spring is fixedly connected to the top of the isolation cover, a cam is connected to the top of the piston rod in a rolling manner, a rotating shaft is fixedly connected to the cam, a mounting frame is connected to the rotating shaft in a rotating manner, a speed reducer is mounted on the top of the isolation cover, and a motor is connected to the mounting frame.

Description

Breather valve verifying attachment

Technical Field

The utility model is suitable for the technical field of detection of safety accessories of oil storage tanks, and provides a breather valve inspection device.

Background

The breather valve of the oil storage tank is an essential safety facility of a storage tank in the petrochemical industry, and has the function that when the pressure of the gas space in the storage tank rises, the exhalation valve clack is propped open to discharge gas into the atmosphere; when the pressure of the gas space in the storage tank is reduced, the suction valve clack is sucked open, so that the external gas enters the storage tank to keep the pressure balance of the gas space in the storage tank. Due to long-term use, environmental factors and the like, the breather valve may malfunction or be damaged, thereby threatening the safety of the equipment. Therefore, the working state of the breather valve needs to be detected regularly so as to ensure the normal operation of the breather valve and ensure the safety of a workplace.

The detection mode of the breather valve in the prior art is used for detaching the valve body and detecting by professional equipment, and if the detection is free, the breather valve is required to be reinstalled, so that the breather valve is not convenient to use.

Disclosure of utility model

The utility model aims to solve the problem that breather valve detection is not convenient enough, and the breather valve detection device comprises an isolation cover, wherein a U-shaped pipe is fixedly connected to the side wall of the isolation cover, marking liquid is filled in the U-shaped pipe, a piston plate is connected to the isolation cover in a sliding mode, a piston rod is fixedly connected to the top of the piston plate, the piston rod penetrates through the isolation cover and is fixedly connected with a stop block, a spring is sleeved on the piston rod, one end of the spring is fixedly connected to the bottom of the stop block, the other end of the spring is fixedly connected to the top of the isolation cover, a cam is connected to the top of the piston rod in a rolling mode, a rotating shaft is fixedly connected to the cam, a mounting frame is connected to the rotating shaft in a rotating mode, the mounting frame is mounted at the top of the isolation cover, a speed reducer is mounted outside the rotating shaft, the speed reducer is connected with a motor, and the motor is mounted on the mounting frame.

Furthermore, one side of the isolation cover is fixedly connected with a communicating pipe, and a control valve is arranged on the communicating pipe.

Further, the U-shaped pipe is internally symmetrically and slidably connected with a sealing piston, and two ends of the U-shaped pipe are fixedly connected with blocking heads.

Further, the marking liquid is clear water.

Furthermore, scales are marked on the side wall of the U-shaped tube.

Further, a plurality of supports are fixedly connected to the bottom of the mounting frame, and the bottoms of the supports are fixedly connected with the isolation cover.

Further, the top of the piston rod is connected with a roller in a rolling way, and the roller is connected with a cam in a rolling way.

Further, the motor bottom fixedly connected with mounting panel, the lateral wall and the mounting bracket fixed connection of motor are kept away from to the mounting panel.

Advantageous effects

According to the motor disclosed by the utility model, the cam is driven to rotate through the speed reducer and the rotating shaft, the cam is in rolling connection with the piston rod, so that the piston rod moves on the mounting frame and the isolation cover, the piston rod and the spring are matched to drive the piston plate to move up and down, so that negative pressure or positive pressure is generated in the isolation cover, the liquid level change of the marking liquid in the U-shaped pipe is observed, the detection of the breather valve body is further realized, and the breather valve is rapid to use.

Drawings

FIG. 1 is an isometric view of a respiratory valve inspection apparatus;

FIG. 2 is a front view of a respiratory valve inspection device;

FIG. 3 is a partial view at A in FIG. 2;

FIG. 4 is a camshaft view of the respiratory valve inspection device;

In the figure: 1-tank, 2-isolation cover, 3-U-shaped pipe, 31-baffle head, 32-scale, 33-sealing piston, 34-marking liquid, 4-breather valve body, 5-bracket, 6-mounting rack, 7-piston rod, 8-mounting plate, 9-motor, 10-speed reducer, 11-rotating shaft, 12-cam, 121-round part, 122-protruding part, 13-roller, 14-spring, 15-control valve, 16-communicating pipe, 17-stop block and 18-piston plate.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 4, the utility model aims to provide a breather valve inspection device, which comprises a tank body 1, wherein a breather valve body 4 is arranged in the tank body 1, an isolation cover 2 is connected to the top of the tank body 1 through bolts, and sealant is smeared on the contact surface of the isolation cover 2 and the tank body 1 to ensure tightness; the diameter of the isolation cover 2 is smaller than that of the tank body 1, and the isolation cover is of a cylindrical structure; a communicating pipe 16 is connected to one side wall of the isolation cover 2 through threads, a control valve 15 is connected to the communicating pipe 16 through bolts, the control valve 15 is an electromagnetic valve, the control valve 15 is in a normally open state when the device is not used, gas communication is guaranteed, and the control valve 15 is in a normally closed state when detection is carried out, so that the air tightness in the isolation cover 2 is guaranteed; a U-shaped pipe 3 is arranged on one side of the isolation cover 2 away from the communicating pipe 16; specifically, the U-shaped pipe 3 is inserted into a hole on the side wall of the isolation cover 2 and is provided with an annular sealing gasket, one half of the U-shaped pipe 3 is arranged in the isolation cover 2, and the other half is arranged outside the isolation cover 2; the U-shaped pipe 3 is internally filled with a marking liquid 34, and the marking liquid 34 is clean water; the U-shaped pipe 3 is symmetrically and slidingly connected with a sealing piston 33, and the sealing piston 33 ensures that the marking liquid 34 cannot leak out; the two ends of the U-shaped pipe 3 are adhered with the baffle heads 31, and the sealing piston 33 is prevented from being separated by the baffle heads 31; a piston plate 18 is connected in a sliding manner in the isolation cover 2, and a piston rod 7 is connected with the center of the top of the piston plate 18 in a threaded manner; a stop block 17 is welded on one side of the piston rod 7, which is close to the piston plate 18, the top of the stop block 17 is abutted to the bottom of the mounting frame 6, four symmetrical brackets 5 are welded on the bottom of the mounting frame 6, and the brackets 5 are welded with the top of the isolation cover 2; the bottom of the stop block 17 is welded with a spring 14, and one end, away from the stop block 17, of the spring 14 is welded with the top of the isolation cover 2; the top of the piston rod 7 penetrates through the mounting frame 6 and is in sliding connection with the bottom of the mounting frame 6, and the mounting frame 6 is of a U-shaped structure; the top of the piston rod 7 is rotatably connected with a roller 13 through a bearing; the roller 13 is in rolling connection with a cam 12, the cam 12 comprises a round part 121 and a convex part 122, the middle part of the cam 12 is in key connection with a rotating shaft 11, and two ends of the rotating shaft 11 are in rotating connection with the mounting frame 6 through bearings; one end of the rotating shaft 11 is connected with a speed reducer 10 through a coupler, the shaft of the speed reducer 10 is connected with the shaft of the motor 9 through the coupler, the motor 9 is connected with a mounting plate 8 through a bolt, the mounting plate 8 is of an L-shaped structure, and the side wall of the mounting plate 8 far away from the motor is fixedly connected with the side wall of the mounting frame 6 through a bolt.

Preferably, the side wall of the U-shaped tube 3 is marked with scales 32, and the moving distance of the sealing piston 33 can be specifically observed through the scales 32, so that the observation effect is more direct.

In summary, in practical use, the motor 9 is started, the motor 9 drives the speed reducer 10 to rotate through the coupling, the speed reducer 10 drives the rotating shaft 11 to rotate, and then drives the cam 12 to rotate, when the round part 121 of the cam 12 is abutted against the roller 13, the piston rod 7 remains stationary, when the convex part 122 of the cam 12 is abutted against the roller 13, the piston rod 7 slides in the mounting frame 6 and the isolation cover 2, the spring 14 is extruded, the piston rod 7 drives the piston plate 18 to move downwards, so that the air pressure in the isolation cover 2 is increased, the liquid level of the marking liquid 34 on the right side of the U-shaped tube 3 is increased under the action of the air pressure, the sealing piston 33 is driven to slide upwards until the sealing piston 33 abuts against the stop head 31, the motor 9 drives the piston plate 18 to continuously press downwards for a certain distance through the piston rod 7, if the vacuum valve clack of the breather valve body 4 is fault-free, the air in the isolation cover 2 inevitably enters the tank body 1 through the breather valve body 4, so that the liquid level on the right side of the U-shaped tube 3 begins to descend, and the scale 32 indicated by the sealing piston 33 changes; when the motor 9 drives the speed reducer 10 to continue to rotate, the spring 14 drives the stop block 17 to move upwards by utilizing elasticity, the roller 13 abuts against the round part 121 of the cam 12, the piston rod 7 drives the piston plate 18 to lift, so that negative pressure is generated in the isolation cover 2, the liquid level of the marking liquid 34 on the right side of the U-shaped pipe 3 is lowered under the action of air pressure until the sealing piston 33 on the left side abuts against the stop head 31, the piston plate 18 continues to move upwards under the action of the elasticity of the spring 14, if the pressure valve clack of the breather valve body 4 has no fault, air in the tank body 1 inevitably enters the isolation cover 2 through the breather valve body 4, so that the liquid level on the right side of the U-shaped pipe 3 is raised, the number of scales 32 indicated by the sealing piston 33 is changed again, the breather valve body 4 is not required to be detached by the detection mode, the online detection of the breather valve body 4 can be performed, the detection mode is novel, and the operation is very simple and quick.

From this, the motor 9 of the device drives cam 12 through speed reducer 10 and pivot 11 and rotates, and cam 12 and piston rod 7 roll connection, and then realize the removal of piston rod 7 at mounting bracket 6 and cage 2, and piston rod 7 and spring 14 cooperation drive piston plate 18 reciprocates for produce negative pressure or malleation in the cage 2, through observing the liquid level change of marking liquid 34 in the U type pipe 3, and then realize the detection of breather valve 4 body, use swiftly.

Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. A breather valve verifying attachment, characterized in that: including cage (2), cage (2) lateral wall fixedly connected with U type pipe (3), annotate in U type pipe (3) and have marking fluid (34), sliding connection has piston board (18) in cage (2), the top fixedly connected with piston board (18) piston rod (7), piston rod (7) pass cage (2) and fixedly connected with dog (17), the cover is equipped with spring (14) on piston rod (7), the one end fixedly connected with of spring (14) is in the bottom of dog (17), the other end fixedly connected with of spring (14) is at the top of cage (2), piston rod (7) top roll connection has cam (12), cam (12) fixedly connected with pivot (11), pivot (11) rotation is connected with mounting bracket (6), mounting bracket (6) are installed at cage (2) top, pivot (11) externally mounted has speed reducer (10), speed reducer (10) are connected with motor (9), motor (9) are installed in pivot (6).

2. The breather valve inspection device according to claim 1, wherein a communicating pipe (16) is fixedly connected to one side of the isolation cover (2), and the communicating pipe (16) is provided with a control valve (15).

3. The breather valve inspection device according to claim 1, wherein the inside of the U-shaped tube (3) is symmetrically and slidingly connected with a sealing piston (33), and two ends of the U-shaped tube (3) are fixedly connected with blocking heads (31).

4. The breather valve verification device of claim 1, wherein said marking fluid (34) is clear water.

5. The breather valve checking device according to claim 1, characterized in that the side wall of the U-shaped tube (3) is marked with graduations (32).

6. The breather valve inspection device according to claim 1, wherein the bottom of the mounting frame (6) is fixedly connected with a plurality of brackets (5), and the bottom of the brackets (5) is fixedly connected with the isolation cover (2).

7. The breather valve checking device according to claim 1, wherein a roller (13) is connected to the top of the piston rod (7) in a rolling manner, and the roller (13) is connected to the cam (12) in a rolling manner.

8. The breather valve inspection device according to claim 1, wherein the bottom of the motor (9) is fixedly connected with a mounting plate (8), and the side wall of the mounting plate (8) away from the motor (9) is fixedly connected with the mounting frame (6).