CN210173282U

CN210173282U - Grinder of marine valve

Info

Publication number: CN210173282U
Application number: CN201920839913.0U
Authority: CN
Inventors: Chuanlai Li; 李传来; Zhigang Guo; 郭志刚; Feimeng Hu; 胡飞猛; Xiaowei Shen; 沈晓伟; Ge Zhao; 赵阁; Yonghao Li; 李永浩; Kaidong Lu; 陆开栋
Original assignee: Jiangnan Shipyard Group Co Ltd
Current assignee: Jiangnan Shipyard Group Co Ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-03-24
Anticipated expiration: 2029-06-05

Abstract

The utility model provides a grinder of marine valve member, this grinder includes: a main body; a grinder disposed at one end of the body to grind the valve member; the rotating device is arranged at the other end of the main body so as to drive the main body to rotate; and the elastic component is arranged on the main body, and is positioned in the valve when the grinder grinds the valve. The utility model provides a grinder of marine valve member easy operation grinds the precision height.

Description

Grinder of marine valve

Technical Field

The utility model relates to a ship design field, in particular to grinder of marine valve member.

Background

After various stop valves used in industrial systems are used for a period of time, leakage phenomena occur on partial valve elements, and the leakage phenomena are mainly caused by abrasion and damage of sealing surfaces of a valve core and a valve seat. Particularly in the ship building and repairing industry, in the mooring test and sea test stages of ships, the valve is frequently opened and closed in the debugging process, and the valve is damaged in a large number, so that the system and equipment cannot normally operate. The valve core and the valve seat need to be repaired and ground by professional personnel, particularly, the valve seat needs to be repaired by personnel with certain professional skills after professional training or long-term working experience accumulation, and non-professional personnel cannot perform the repair. As the valve seats required to be repaired are more in number and less in hand, the production requirement is difficult to meet in a short time. Some valves cannot be disassembled for in-situ repair due to various factors and can only be repaired in situ. Moreover, the installation positions of the valve elements are different, and the valve elements are limited by the spatial positions and need postures of lying on the back, lying on the side, turning the hands and the like, which causes the problems that the grinding force is very difficult for professional repair personnel, the quality is difficult to control, the working efficiency is low, the labor intensity is high, and the progress is slow. The grinding force is difficult and heavy for non-professional personnel, and if the grinding force is not uniform, the sealing plane is inclined, the valve part is likely to be damaged and scrapped, and the loss is caused.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned prior art's defect, the utility model provides a grinder of marine valve piece to simplify the grinding process, improve and grind the precision, reduce working strength.

To achieve the above and other objects, the present invention provides a grinding device for marine valve members, comprising:

a main body;

a grinder disposed at one end of the body to grind the valve member;

the rotating device is arranged at the other end of the main body so as to drive the main body to rotate;

and the elastic component is arranged on the main body, and is positioned in the valve when the grinder grinds the valve.

In an embodiment, the first portion of the body is located on the second portion.

In one embodiment, the size of the first portion is smaller than the size of the second portion, and the elastic member is located at the connection of the first portion and the second portion.

In one embodiment, the grinder comprises a grinding plane, sand paper, a pressure plate and a nut.

In one embodiment, the abrasive surface is on the sandpaper, the sandpaper is on the pressure plate, and the pressure plate is on the nut.

In one embodiment, the abrasive surface has a roughness less than a roughness of the sandpaper.

In an embodiment, the rotating means is fixed to the first part.

In an embodiment, the grinder is located on the second portion.

In one embodiment, the elastic member is located between the grinder and the rotating device.

In one embodiment, the resilient member comprises a spring.

The utility model provides a grinder installation of marine valve member is dismantled simply, through changing different mills, can be applicable to multiple valve member, the utility model provides a grinder of marine valve member can improve work efficiency, improves and grinds the precision for the production progress.

Drawings

FIG. 1: the utility model provides a grinder's of marine valve member structural schematic diagram.

FIG. 2: the utility model provides a grinder grinding process's of marine valve member schematic diagram.

Description of the symbols

1 grinding device 23 platen

10 main body 24 nut

11 first part 30 turning device

12 second portion 40 resilient member

20 grinder 101 valve seat sealing surface

21 grinding plane 102 valve body gland

22 sandpaper D diameter

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

Referring to fig. 1-2, it should be noted that the drawings provided in this embodiment are only schematic and illustrate the basic concept of the present invention, and the elements related to the present invention are not drawn according to the number, shape and size of the elements in actual implementation, and the type, number and ratio of the elements in actual implementation may be changed arbitrarily and the layout of the elements may be more complicated.

Referring to fig. 1, the present embodiment provides a grinding device 1 for marine valve members, including: a main body 10, a grinder 20, a rotating device 30 and an elastic component 40.

Referring to fig. 1, in the present embodiment, the polishing apparatus 1 includes a main body 10, the main body 10 includes a first portion 11 and a second portion 12, the first portion 11 is located on the second portion 12, the size of the first portion 11 is smaller than that of the second portion 12, and in the present embodiment, the lengths of the first portion 11 and the second portion can be adjusted according to the size of a valve. A protrusion is formed at the junction of the first part 11 and the second part 12, the protrusion is used for placing the elastic component 40, one end of the main body 10 is connected with the grinder 20, and the other end of the main body 10 is connected with the rotating device 30. In this embodiment, the main body 10 is, for example, a circular straight rod, and the main body 10 may be formed by an integral molding process, and the first member 11 and the second portion 12 are formed by cutting. In this embodiment, the main body 10 is, for example, a straight rod, and the material of the main body 10 is, for example, carbon structural steel or other metal materials.

Referring to fig. 1, in the present embodiment, the grinding apparatus 1 includes a grinder 20, the grinder 20 is located on the main body 10, in the present embodiment, the grinder 20 is located on the second portion 12, and the grinder 20 is used for grinding a valve. The grinder 20 includes a grinding plane 21, sandpaper 22, a pressing plate 23 and a nut 24. In this embodiment, the abrasive surface 21 is located on the abrasive sheet 22, the abrasive sheet 22 is located on the pressing plate 23, the pressing plate 23 is located on the nut 24, one surface of the abrasive surface 21 contacts the second portion 12 of the body 10, the other surface of the abrasive surface 21 contacts the abrasive sheet 22, and the abrasive sheet 22 also contacts the pressing plate 23. In this embodiment, the diameter D of the grinding plane 21 is equal to the diameter of the sandpaper 22, and the diameter of the sandpaper 22 is larger than the diameter of the pressing plate 23. In this embodiment, the grinder 20 is located on the second portion 12 of the main body 10, one end of the second portion 12 is provided with a screw thread, and the grinding plane 21, the sand paper 22 and the pressing plate 23 are fixed on the main body 10 through the nut 24. In this embodiment, the roughness of the flat grinding surface 21 is less than the roughness of the coated abrasive 22, and during use, different coated abrasives 22 can be replaced according to the specific situation of the valve member. The polishing surface 21 of other dimensions may be replaced according to the shape and size of the valve.

Referring to fig. 1, in the present embodiment, the grinding device 1 includes a rotating device 30, the rotating device 30 is disposed on the main body 10, the rotating device 30 is located on the first portion 11 of the main body 10, and the rotating device 30 is far away from the grinder 20. In this embodiment, the rotating device 30 is placed on a square tenon (not shown) formed at one end of the first portion 11, and the rotating device 30 is fixed to the square tenon of the main body 10 by a nut. The rotation device 30 can drive the main body 10 to rotate, so as to drive the grinder 20 to rotate. In this embodiment, the rotating device 30 is, for example, a handwheel, and the main body 10 is driven to rotate by the handwheel, so as to reduce the working strength, in other embodiments, the rotating device 30 is, for example, an electric rotating device, such as a pistol drill, and the grinder 20 is driven to rotate by the pistol drill, so as to further improve the efficiency and save the labor.

Referring to fig. 1, in the present embodiment, the grinding apparatus 1 includes an elastic member 40, the elastic member 40 is located on the main body 10, in the present embodiment, the elastic member 40 is located on the first portion 12 of the main body 10, the elastic member 40 is located at the joint of the first portion 11 and the second portion 12, the elastic member 40 is sleeved on the first portion 11, and the elastic member 40 is located between the grinder 20 and the rotating apparatus 30. The elastic member 40 can reduce the force applied by the worker to the grinding apparatus 1. In the present embodiment, the elastic member 40 is, for example, a spring.

Referring to fig. 2, the following is a description of the use of the grinding device 1 for marine valve members according to the present embodiment:

1. placing the grinding device 1 into a valve element, wherein the grinder 20 is contacted with a valve seat sealing surface 101, and the elastic component 40 is contacted with a valve body gland 102;

2. by rotating the rotating device 30, the valve body sealing surface 101 is ground.

In this embodiment, the valve body pressing cover 102 is connected to the valve body by a screw, and when the grinding operation is performed, the elastic member 40 is located in the valve body, and the valve body pressing cover 102 can apply pressure to the elastic member 40 to increase the elastic force of the elastic member 40. Therefore, when the grinding process is performed, the elastic force of the elastic component 40 is adjusted by the valve body gland 102 to replace the grinding force of the operator, the operator does not need to apply pressure, and the elastic force of the elastic component 40 acts on the grinder 20 by rotating the rotating device 30, so that the valve seat sealing surface 101 is ground flat.

In the early stage of grinding, the sandpaper 22 is flatly pressed against the grinding surface 21 by the pressing plate 23, the valve seat sealing surface 101 is quickly ground by the sandpaper 22 to reduce the working time, and in the later stage of grinding, the sandpaper 22 is removed, and then the valve seat sealing surface 101 is ground by the grinding surface 21, and since the roughness of the grinding surface 21 is smaller than that of the sandpaper 22, the grinding accuracy of the grinding surface 21 is higher.

In this embodiment, the grinder 20 can select grinding planes with different shapes and sizes for different types of valve bodies, such as a disc-shaped or spherical valve disc with surface contact sealing, a conical valve disc with line contact sealing, and the like, and is suitable for grinding and repairing stop valves with different valve disc types.

In this embodiment, the marine grinder of valve body that this embodiment provided can solve the limited, valve member of production site space and grind the problem that dynamics and balance are difficult to master, simultaneously because the elastic component (for example for the spring) and the main part (for example for the handle pole) after compressing tightly have higher axiality, make the grinding dynamics more even, balanced, effectively improved grinding quality and precision.

The grinding device for the marine valve body can easily and freely repair the valve at any position, does not influence the normal operation of industrial systems and equipment, greatly improves the working efficiency, ensures the grinding quality and precision, ensures that the repair waste return rate of the valve is zero, and solves the problem that the production progress is influenced due to less manpower and large workload.

To sum up, the utility model provides a grinder installation of marine valve body is dismantled conveniently, and is small, and convenient to carry can reduce staff's working strength, improves the grinding precision for the grinding speed shortens production cycle.

The above description is only a preferred embodiment of the present application and a description of the applied technical principle, and it should be understood by those skilled in the art that the scope of the present invention related to the present application is not limited to the technical solution of the specific combination of the above technical features, and also covers other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept, for example, the technical solutions formed by mutually replacing the above features with (but not limited to) technical features having similar functions disclosed in the present application.

Other technical features than those described in the specification are known to those skilled in the art, and are not described herein in detail in order to highlight the innovative features of the present invention.

Claims

1. A grinding device for marine valves, comprising:

a main body;

a grinder disposed at one end of the body to grind the valve member;

2. The grinding device for marine valve members according to claim 1, wherein: a first portion and a second portion of the body, the first portion being located on the second portion.

3. The grinding device for a marine valve according to claim 2, wherein: the size of the first part is smaller than that of the second part, and the elastic part is positioned at the joint of the first part and the second part.

4. The grinding device for marine valve members according to claim 1, wherein: the grinder comprises a grinding plane, abrasive paper, a pressing plate and a nut.

5. The grinding device for marine valve members according to claim 4, wherein: the grinding plane is located on the sand paper, the sand paper is located on the pressing plate, and the pressing plate is located on the nut.

6. The grinding device for marine valve members according to claim 4, wherein: the roughness of the abrasive surface is less than the roughness of the sandpaper.

7. The grinding device for a marine valve according to claim 2, wherein: the rotating means is fixed to the first portion.

8. The grinding device for a marine valve according to claim 2, wherein: the grinder is fixed on the second part.

9. The grinding device for marine valve members according to claim 1, wherein: the elastic component is positioned between the grinder and the rotating device.

10. The grinding device for marine valve members according to claim 1, wherein: the elastic member includes a spring.