CN216951921U

CN216951921U - Valve appurtenance

Info

Publication number: CN216951921U
Application number: CN202220082625.7U
Authority: CN
Inventors: 李英哲; 富立强; 张凤强; 赵齐
Original assignee: Liaoning Qinghe Power Generation Co ltd
Current assignee: Liaoning Qinghe Power Generation Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-07-12
Anticipated expiration: 2032-01-12

Abstract

The utility model provides a valve auxiliary tool, which relates to the technical field of valves and comprises a valve body, a pneumatic driving mechanism and a pneumatic forehead support, wherein the top of the valve body is provided with the pneumatic driving mechanism, a valve rod movably penetrates through the valve body, a driving rod of the pneumatic driving mechanism is fixed with the end part of the valve rod, the top end of the valve rod is provided with a tool body, two sides of the tool body are penetrated with upper adjusting rods, the bottom ends of the upper adjusting rods are connected with lower adjusting rods in a threaded manner, the surfaces of the lower adjusting rods are provided with adjusting nuts, the end parts of the lower adjusting rods are movably connected with a connecting base, the tool body is arranged between the surface of the valve rod at the top of the valve body and the driving rod of the pneumatic driving mechanism for emergency valve body opening and closing, the lower adjusting rods are driven by the adjusting nuts to rotate to extend and retract the whole vertical distance between the upper adjusting rods and the lower adjusting rods, so that the distance between the valve body and the pneumatic driving mechanism is manually adjusted, the valve body emergency treatment when being convenient for to pneumatic actuating mechanism trouble, easy to overhaul and use.

Description

Valve appurtenance

Technical Field

The utility model relates to the technical field of valves, in particular to an auxiliary tool for a valve.

Background

The valve is a device for controlling the direction, pressure and flow of fluid in a fluid system, the valve is a device which can make the medium (liquid, gas and powder) in the piping and equipment flow or stop and can control the flow of the medium, the valve can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal and radioactive media, etc., the valve is a control component in a pipeline fluid conveying system, is used for changing the passage section and the flow direction of the medium, and has the functions of diversion, cut-off, throttling, non-return, flow splitting, overflow pressure relief, etc.

During the operation and start-stop of the existing valves in a thermal power plant and a nuclear power plant, some pneumatic regulating valves are difficult to open or close due to the structure and medium pressure, and particularly some valves are not provided with manual operating mechanisms and are difficult to carry out emergency treatment when faults occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an auxiliary tool for a valve.

In order to achieve the purpose, the utility model adopts the following technical scheme: valve appurtenance, including valve body, pneumatic actuating mechanism and pneumatic overhead forehead frame, the valve body top is equipped with pneumatic actuating mechanism, the valve body activity runs through and is equipped with the valve rod, pneumatic actuating mechanism's actuating lever and valve rod end fixing, the valve rod top is equipped with the instrument body, instrument body both sides run through and are equipped with the regulation upper boom, it is equipped with the regulation lower beam to adjust upper boom bottom end threaded connection, it is equipped with adjusting nut to adjust the lower beam surface, it is equipped with the connection base to adjust lower beam end swing joint.

Preferably, the tool body and the connecting base are provided with guide grooves in the center positions, the inner walls of the guide grooves are abutted to the outer wall of the valve rod, the tool body is divided into a front part and a rear part along the horizontal center line of the top surface, and the connecting base is divided into a front part and a rear part along the horizontal center line of the top surface.

Preferably, the surface of the tool body is provided with fastening bolts, the fastening bolts penetrate through the front surface and the back surface of the tool body and are in threaded connection with the tool body, and the front side and the back side of the surface of the connecting base are provided with the fastening bolts in a penetrating mode.

Preferably, pneumatic forehead frames are symmetrically arranged on two sides of the bottom surface of the pneumatic driving mechanism, and the vertical central line of the pneumatic driving mechanism is superposed with the vertical central line of the valve rod.

Preferably, the top end of the upper adjusting rod completely penetrates through the bottom surface and the top surface of the tool body, the top end of the upper adjusting rod is in threaded connection with the tool body, and the inner portion of the bottom surface of the upper adjusting rod is in threaded connection with the outer surface of the lower adjusting rod.

Preferably, the bottom end of the lower adjusting rod is movably embedded into two sides of the central line of the top surface of the connecting base, and the bottom surface of the connecting base is abutted against the top surface of the valve body.

Advantageous effects

According to the emergency valve body, the tool body is arranged between the surface of the valve rod at the top of the valve body and the driving rod of the pneumatic driving mechanism for emergency valve body opening and closing, the adjusting nut drives the adjusting lower rod to rotate to extend and contract the vertical distance between the adjusting upper rod and the adjusting lower rod, so that the distance between the valve body and the pneumatic driving mechanism is manually adjusted, emergency treatment of the valve body when the pneumatic driving mechanism breaks down is facilitated, and overhaul and use are facilitated.

Drawings

FIG. 1 is a perspective view of a valve auxiliary tool;

FIG. 2 is a front cross-sectional view of the valve assist tool;

FIG. 3 is a partially disassembled view of the valve assist tool;

fig. 4 is a tool body connection structure view of the valve auxiliary tool.

Illustration of the drawings:

1. a pneumatic drive mechanism; 2. a valve body; 3. a tool body; 4. fastening a bolt; 5. adjusting the upper rod; 6. adjusting the lower rod; 7. adjusting the nut; 8. pneumatic forehead rest; 9. a valve stem; 10. a guide groove; 11. and connecting the base.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-4, the valve auxiliary tool comprises a valve body 2, a pneumatic driving mechanism 1 and a pneumatic forehead support 8, the pneumatic driving mechanism 1 is arranged at the top of the valve body 2, a valve rod 9 is movably arranged on the valve body 2 in a penetrating manner, a driving rod of the pneumatic driving mechanism 1 is fixed with the end of the valve rod 9, a tool body 3 is arranged at the top end of the valve rod 9, adjusting upper rods 5 are arranged on two sides of the tool body 3 in a penetrating manner, an adjusting lower rod 6 is arranged at the bottom end of the adjusting upper rod 5 in a threaded connection manner, an adjusting nut 7 is arranged on the surface of the adjusting lower rod 6, a connecting base 11 is movably connected with the end of the adjusting lower rod 6, the tool body 3 is arranged between the surface of the valve rod 9 at the top of the valve body 2 and the driving rod of the pneumatic driving mechanism 1 for emergency opening and closing of the valve body 2, the adjusting lower rod 6 is driven by the adjusting nut 7 to rotate so as to extend and contract the vertical distance between the adjusting upper rod 5 and the adjusting lower rod 6, thereby the distance between the manual adjusting valve body 2 and the pneumatic driving mechanism 1 is convenient for the emergency treatment of the valve body 2 when the pneumatic driving mechanism 1 is in failure, and is convenient for maintenance and use, the surface center positions of the tool body 3 and the connecting base 11 are both provided with the guide groove 10, the inner wall of the guide groove 10 is propped against the outer wall of the valve rod 9, the tool body 3 is divided into a front part and a rear part along the horizontal center line of the top surface, the connecting base 11 is divided into a front part and a rear part along the horizontal center line of the top surface, when the pneumatic driving mechanism 1 is in normal use, the tool body 3 is not connected with the surface of the valve rod 9, when the pneumatic driving mechanism 1 cannot operate, the front part and the rear part of the tool body 3 are clamped with the surface of the valve rod 9 through the guide groove 10, the front part and the rear part of the tool body 3 are connected and propped through the fastening bolt 4, the adjusting upper rod 5 is connected with the adjusting lower rod 6, and the adjusting upper rod 5 rotates to enter the tool body 3, the front and back parts of a connecting base 11 are clamped with the surface of a valve rod 9 through a guide groove 10 and are clamped with the corresponding position of the bottom end of an adjusting lower rod 6 at the same time, a fastening bolt 4 is arranged on the surface of a tool body 3, the fastening bolt 4 penetrates through the front surface and the back surface of the tool body 3, the fastening bolt 4 is in threaded connection with the tool body 3, the front side and the back side of the surface of the connecting base 11 are both provided with the fastening bolt 4 in a penetrating way, the front part and the back part are fixed through the fastening bolt 4 to complete the installation of the whole tool body 3, the top end of the adjusting upper rod 5 is completely penetrated through the bottom surface and the top surface of the tool body 3, the top end of the adjusting upper rod 5 is in threaded connection with the outer surface of the adjusting lower rod 6, the bottom end of the adjusting lower rod 6 is movably embedded into the two sides of the center line of the top surface of the connecting base 11, the bottom surface of the connecting base 11 is propped against the top surface of a valve body 2, when the valve body 3 is used for opening and closing the valve body 2, when the pneumatic driving mechanism 1 of the valve body 2 is damaged, because no manual operation mechanism exists, when the internal valve can not be opened in the starting process, the tool body 3, the adjusting upper rod 5, the adjusting lower rod 6 and the connecting base 11 are installed, the adjusting nut 7 is utilized to drive the adjusting upper rod 5 to rotate clockwise, the adjusting lower rod 6 contracts in the adjusting upper rod 5, the internal valve of the valve body 2 is opened, if the opening height is not enough, the adjusting upper rod 5 is rotated to continuously open the valve to reach the opening position, if the rotating force adjusted by the adjusting upper rod 5 can not open the valve, the two sides of the tool body 3 are jacked up the valve by using a hydraulic jack to complete the opening of the valve, the adjusting upper rod 5 is screwed in for fixing, the jack is taken down, when the pneumatic driving mechanism 1 of the valve body 2 is damaged, because no manual operation mechanism exists, the actuating mechanism can not close the valve in operation, and the valve is in a normally open state, adjust 6 anticlockwise rotations of lower beam, close the valve, close when the distance is not enough, make and adjust 5 rotatory to opening the opposite direction when using of upper beam, reach the closed position, damage as 2 pneumatic actuator 1 of valve body, change pneumatic actuator 1, but during unable fixed valve state, pneumatic actuator 1 trouble, the usable fixed valve position of device that changes, utilize and adjust upper beam 5 and adjust 6 down with the valve scope and fix a position, make the valve can not open and close, if adjust the valve open mode, only need adjust upper beam 5 and adjust the 6 adjustment interval of lower beam can.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Valve appurtenance, forehead frame (8), its characterized in that on valve body (2), pneumatic actuator (1) and pneumatic head: the pneumatic valve is characterized in that a pneumatic driving mechanism (1) is arranged at the top of the valve body (2), a valve rod (9) is arranged in a movable penetrating mode through the valve body (2), a driving rod of the pneumatic driving mechanism (1) and the end portion of the valve rod (9) are fixed, an tool body (3) is arranged at the top end of the valve rod (9), two sides of the tool body (3) are provided with an adjusting upper rod (5) in a penetrating mode, the bottom end of the adjusting upper rod (5) is connected with an adjusting lower rod (6) in a threaded mode, the surface of the adjusting lower rod (6) is provided with an adjusting nut (7), and the end portion of the adjusting lower rod (6) is connected with a connecting base (11) in a movable mode.

2. The valve assist tool of claim 1, wherein: the tool body (3) and the connecting base (11) are provided with guide grooves (10) in the surface center positions, the inner walls of the guide grooves (10) are abutted to the outer wall of the valve rod (9), the tool body (3) is divided into a front part and a rear part along the horizontal center line of the top surface, and the connecting base (11) is divided into a front part and a rear part along the horizontal center line of the top surface.

3. The valve assist tool of claim 1, wherein: the tool body (3) surface is equipped with fastening bolt (4), and fastening bolt (4) run through tool body (3) openly and the back, and fastening bolt (4) and tool body (3) threaded connection, both sides all run through and are equipped with fastening bolt (4) around connecting base (11) surface.

4. The valve assist tool of claim 1, wherein: pneumatic forehead frames (8) are symmetrically arranged on two sides of the bottom surface of the pneumatic driving mechanism (1), and the vertical central line of the pneumatic driving mechanism (1) is superposed with the vertical central line of the valve rod (9).

5. The valve assist tool of claim 1, wherein: the top end of the adjusting upper rod (5) is completely penetrated through the bottom surface and the top surface of the tool body (3), the top end of the adjusting upper rod (5) is in threaded connection with the tool body (3), and the inner part of the bottom surface of the adjusting upper rod (5) is in threaded connection with the outer surface of the adjusting lower rod (6).

6. The valve assist tool of claim 1, wherein: the bottom end of the lower adjusting rod (6) is movably embedded into two sides of the central line of the top surface of the connecting base (11), and the bottom surface of the connecting base (11) is abutted to the top surface of the valve body (2).