CN216991519U

CN216991519U - Self-tightening clamp

Info

Publication number: CN216991519U
Application number: CN202122973855.0U
Authority: CN
Inventors: 王图钦; 徐先宝; 贾凤梅; 韩波浪; 顾永文; 许鑫鑫; 任明星
Original assignee: Shaanxi Changqing Energy & Chemical Co ltd
Current assignee: Shaanxi Changqing Energy & Chemical Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-07-19
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a self-tightening clamp which is characterized by comprising an upper clamp (1) and a lower clamp (2) connected through a rotating shaft (3); the upper pliers (1) and the lower pliers (2) are connected in a scissor type; the other end of the L shape of the lower clamp (2) is fixedly connected with a lower clamp jaw end (7); the other end of the L-shaped upper clamp (1) is fixedly provided with an upper clamp jaw end (8); the opening (9) of the lower jaw end (7) and the upper jaw end (8) form a matched jaw (6). The utility model provides a novel self-tightening clamp which is simple in structure and convenient and fast to use.

Description

Self-tightening clamp

Technical Field

The utility model relates to an overhauling tool, in particular to a self-tightening clamp.

Background

In the actual maintenance process, for example, a special clamping plate is required to be arranged at the traction head of a conveyor belt in the dragging process of the conveyor belt, meanwhile, the clamping plate has no universality, and the belts with different sizes need to be manufactured into clamping plates with different specifications; in addition, when the belt is stripped, time and labor are wasted in the operation process due to the high bonding between the canvas layers. Therefore, the self-tightening clamp is simple in structure and convenient and fast to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a self-tightening clamp which has the characteristics of simple structure and convenience in use.

The utility model aims to provide the following technical scheme to realize the following steps:

a self-tightening clamp comprises an upper clamp and a lower clamp connected through a rotating shaft; the upper pliers and the lower pliers are connected in a scissor type; the other end of the L-shaped lower clamp is fixedly connected with a lower clamp jaw end; the other end of the L-shaped upper clamp is fixedly provided with an upper clamp jaw end; the lower jaw end and the upper jaw end form a matched jaw.

The upper jaw end has an angle similar to the internal tooth, and the lower jaw end and the upper jaw end form a jaw with an identical angle.

Preferably, a notch is formed in a contact part of the head of the jaw end of the upper jaw and the jaw end of the lower jaw, and more preferably, the angle of the notch is 70 degrees.

Preferably, the upper edge of the gap is provided with a plurality of saw teeth, and more preferably 3-5 saw teeth.

A hole for a steel wire rope to pass through is formed in one end of the L-shaped lower clamp, and the steel wire rope is further connected to a guide wheel at one end of the L-shaped upper clamp and used for adjusting the tension of the steel wire rope.

The technical scheme provided by the utility model has the following beneficial effects:

1. in the belt maintenance process, the belt maintenance tool can be used in combination with an electric tool, maintenance steps mainly based on manpower are converted into simple mechanical tools, the operation intensity is greatly reduced, and the effect is obvious;

2. Applicability is high, as long as traction and structural strength are sufficient, and is not limited by the size of the belt (including other non-metallic belts).

Drawings

FIG. 1 is a schematic view of the structure of the present invention

FIG. 2 is an enlarged view of a portion of the upper jaw

Numbering in the figures: 1-upper plier, 2-lower plier, 3-rotating shaft, 4-guide wheel, 5-steel wire rope, 6-jaw, 7-lower plier jaw end, 8-upper plier jaw end, 9-notch and 10-saw tooth

Detailed Description

The utility model is described in detail below with reference to the accompanying drawings and specific structural embodiments.

As shown in fig. 1 and fig. 2, the self-tightening clamp comprises an upper clamp 1, a lower clamp 2 connected through a rotating shaft 3, a guide wheel 4 at one end of the lower clamp 2, and a steel wire rope 5, wherein a jaw end 7 of the lower clamp and a jaw end 8 of the upper clamp form a jaw 6,

the design of the tool is that on the basis of a scissors type structure according to living scissors, the application mode of external force is adjusted, a jaw 6 is changed into a shape which is more beneficial to clamping, as shown in figure 2, in order to have better clamping biting force with the end of a lower jaw, a gap 9 is processed at the contact part of the head of the end of the upper jaw and the lower jaw, the length h is about 40mm, the depth is slightly larger than the thickness of a belt, and the angle of the gap 9 is 70 degrees. Meanwhile, 3-5 sawteeth 10 are processed on the edge of the processed notch. Therefore, the upper jaw and the lower jaw can firmly clamp the belt to prevent the belt from sliding off.

The internal tooth form angle of the lower jaw end 7 can be further designed and adjusted in combination with the use occasion in practical use.

In practical use, the belt (including other non-metal belts) is placed at the jaw 6 of the clamp, and the steel wire rope 5 is tightened by the winch, so that the belt can be firmly clamped.

The utility model utilizes the simple clamping structure, reduces the working strength of operators during the carrying and maintenance process of the belt (containing other non-metal belts) with the assistance of electric mechanisms such as a winch and the like, and simultaneously can improve the working efficiency.

Claims

1. A self-tightening clamp is characterized by comprising an upper clamp (1) and a lower clamp (2) connected through a rotating shaft (3); the upper pliers (1) and the lower pliers (2) are connected in a scissor type; the other end of the L shape of the lower clamp (2) is fixedly connected with a lower clamp jaw end (7); the other end of the L-shaped upper pliers (1) is fixedly provided with an upper pliers jaw end (8); the lower jaw end (7) and the upper jaw end (8) form a matched jaw (6).

2. A self-clinching clip as claimed in claim 1, in which the head of the upper jaw end is provided with a break (9) in contact with the lower jaw end.

3. Self-clinching clip according to claim 2, wherein the slit (9) is angled at 70 °.

4. Self-clinching clip according to claim 2 or 3, wherein the slit (9) has a length of about 40mm and a depth slightly greater than the thickness of the belt.

5. Self-clinching clip according to claim 2 or 3, wherein the notch (9) is provided edgewise with a plurality of serrations (10).

6. Self-clinching clip according to claim 5, wherein the slit (9) has 3 to 5 serrations along its edge.

7. Self-clinching clip as claimed in claim 1 or 2, wherein the L-shaped end of the lower plier (2) is provided with a hole through which the steel cable (5) passes.

8. Self-clinching clip as claimed in claim 7, wherein said wire rope (5) is further connected to a guide wheel (4) at one end of the L-shape of said upper plier (1).