CN211805633U

CN211805633U - Hydraulic clamp for plug production

Info

Publication number: CN211805633U
Application number: CN202020212130.2U
Authority: CN
Inventors: 陈杰
Original assignee: Jinjiang Jinpeng Metallurgical Machinery Manufacture Co ltd
Current assignee: Jinjiang Jinpeng Metallurgical Machinery Manufacture Co ltd
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-10-30
Anticipated expiration: 2030-02-26

Abstract

A hydraulic tong for producing a plug comprises a hydraulic tong body, a clamping structure and a handle, wherein the front part and the rear part of the hydraulic tong body are respectively provided with the clamping structure and the handle; the hydraulic clamp comprises a hydraulic clamp body and a handle, wherein the hydraulic clamp body comprises a shell, a connecting rod and a hydraulic device, the connecting rod and the hydraulic device are arranged in the shell, and the handle is connected with one end of the hydraulic device through the connecting rod; the other end of the hydraulic device is connected with the clamping structure; the clamping structure comprises an upper clamp body, a lower clamp body, a clamping device and a limiting block, wherein the clamping device is arranged between the upper clamp body and the lower clamp body, the limiting block is arranged on the lower clamp body, and the limiting block is matched with the shell. The utility model has the advantages that: by using the hydraulic device, the labor is saved, and the difficulty degree of clamping the workpiece by workers is reduced; and the hydraulic device helps to prolong the length of the clamp body, avoids the forced heating furnace from entering, and improves the production safety.

Description

Hydraulic clamp for plug production

Technical Field

The utility model belongs to the technical field of hydraulic pressure, in particular to hydraulic tong is used in top production.

Background

The top is the quality of key tools in seamless steel pipe production, the service life is long, and the yield and quality of steel pipe production and the economic benefit of enterprises are directly influenced. In the process of penetrating the seamless steel pipe by the top, the solid pipe blank is made into a hollow tubular billet, and the metal deformation is mainly carried out on the top. The working condition of the piercing plug is quite severe, and the piercing plug not only needs to bear strong axial pressure, but also needs to overcome strong deformation friction force generated between the piercing plug and the inner wall. It is therefore considered that the piercing plug operates under low cycle fatigue conditions, and hence wear and tear thereof is a major cause of the influence on the service life. The conventional technique also basically adopts heat treatment processing for the treatment of the plug. The heat treatment is a metal hot working process for changing the chemical components and structures on the surface or in the material by means of heating, heat preservation and cooling in the solid state of the material to obtain the required performance.

Therefore, in the hot working process of the ejector, workers need to clamp the ejector through pliers, and the workers need to use large force due to the moment when the common pliers are used for producing large ejectors, and are close to the heating furnace and dangerous. It is therefore necessary to provide pliers that are labor-saving and can be kept away from the oven.

SUMMERY OF THE UTILITY MODEL

A hydraulic tong for producing a plug comprises a hydraulic tong body, a clamping structure and a handle, wherein the front part and the rear part of the hydraulic tong body are respectively provided with the clamping structure and the handle; the method is characterized in that: the hydraulic clamp comprises a hydraulic clamp body and a handle, wherein the hydraulic clamp body comprises a shell, a connecting rod and a hydraulic device, the connecting rod and the hydraulic device are arranged in the shell, and the handle is connected with one end of the hydraulic device through the connecting rod; the other end of the hydraulic device is connected with the clamping structure; the clamping structure comprises an upper clamp body, a lower clamp body, a clamping device and a limiting block, wherein the clamping device is arranged between the upper clamp body and the lower clamp body, the limiting block is arranged on the lower clamp body, and the limiting block is matched with the shell.

As a preferred technical scheme: the clamping structure and the shell are made of high-temperature resistant materials.

As a preferred technical scheme: the upper clamp body and the lower clamp body are matched with the ejector.

As a preferred technical scheme: the hydraulic tong comprises a hydraulic tong body and is characterized in that a handle mounting seat is arranged on the hydraulic tong body, and a handle is riveted on the handle mounting seat.

The utility model has the advantages that: by using the hydraulic device, the labor is saved, and the difficulty degree of clamping the workpiece by workers is reduced; and the hydraulic device helps to prolong the length of the clamp body, avoids the forced heating furnace from entering, and improves the production safety.

Drawings

FIG. 1 is a schematic structural view of the present invention;

in the figure: 1. a hydraulic tong body; 2. a clamping structure; 3. a handle; 4. a connecting rod; 5. a hydraulic device 6 and an upper clamp body; 7. a lower clamp body; 8. a clamping device; 9. a limiting block; 10. a housing; 11. a handle mounting seat.

Detailed Description

A hydraulic tong for producing a plug comprises a hydraulic tong body 1, a clamping structure 2 and a handle 3, wherein the front and the back of the hydraulic tong body 1 are respectively provided with the clamping structure 2 and the handle 3; the method is characterized in that: the hydraulic clamp body 1 comprises a shell 10, a connecting rod 4 and a hydraulic device 5, wherein the connecting rod 4 and the hydraulic device 5 are arranged in the shell 10, and the handle 3 is connected with one end of the hydraulic device 5 through the connecting rod 4; the other end of the hydraulic device 5 is connected with the clamping structure 2; the clamping structure 2 comprises an upper clamp body 6, a lower clamp body 7, a clamping device 8 and a limiting block 9, wherein the clamping device 8 is arranged between the upper clamp body 6 and the lower clamp body 7, the limiting block 9 is arranged on the lower clamp body 7, and the limiting block 9 is matched with a shell 10.

The clamping structure 2 and the shell 10 are made of high-temperature resistant materials. The upper clamp body 6 and the lower clamp body 7 are structurally matched with the top head. The hydraulic tong comprises a hydraulic tong body 1 and is characterized in that a handle mounting seat 11 is arranged on the hydraulic tong body 1, and a handle 3 is riveted on the handle mounting seat 11.

When the hydraulic clamp is concretely implemented, firstly, the handles of the hydraulic clamp are held by two hands, the handles are pressed tightly, the handles drive the connecting rods, and the connecting rods drive the hydraulic device to push the clamping structure to move forwards; a clamping device is arranged between the upper clamp body and the lower clamp body of the clamping structure, and the clamping device contracts under the constraint of the shell; when the hydraulic device pushes the clamping device to exceed the range of the shell, the clamping device expands and then props up the upper and lower clamp bodies, and the structures of the upper and lower clamp bodies are matched with the top head to clamp the top head; then the staff opens the handle, drives the connecting rod through the handle, and the connecting rod drives hydraulic means to withdraw and presss from both sides tight structure, and clamping device withdraws in the casing under the constraint of hydraulic means and casing, and the stopper that sets up on the lower tong body avoids pressing from both sides tight structure and contracts too much.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.

Claims

1. A hydraulic tong for producing a plug comprises a hydraulic tong body (1), a clamping structure (2) and a handle (3), wherein the front part and the rear part of the hydraulic tong body (1) are respectively provided with the clamping structure (2) and the handle (3); the method is characterized in that: the hydraulic clamp comprises a hydraulic clamp body (1) and a hydraulic device, wherein the hydraulic clamp body comprises a shell (10), a connecting rod (4) and the hydraulic device (5), the connecting rod (4) and the hydraulic device (5) are arranged in the shell (10), and a handle (3) is connected with one end of the hydraulic device (5) through the connecting rod (4); the other end of the hydraulic device (5) is connected with the clamping structure (2); the clamping structure (2) comprises an upper clamp body (6), a lower clamp body (7), a clamping device (8) and a limiting block (9), wherein the clamping device (8) is arranged between the upper clamp body (6) and the lower clamp body (7), the limiting block (9) is arranged on the lower clamp body (7), and the limiting block (9) is matched with a shell (10).

2. The hydraulic tong for plug production according to claim 1, characterized in that: the clamping structure (2) and the shell (10) are made of high-temperature-resistant materials.

3. The hydraulic tong for plug production according to claim 1, characterized in that: the upper clamp body (6) and the lower clamp body (7) are structurally matched with the ejector.

4. The hydraulic tong for plug production according to claim 1, characterized in that: the hydraulic tong is characterized in that a handle mounting seat (11) is arranged on the hydraulic tong body (1), and the handle (3) is riveted on the handle mounting seat (11).