CN212162307U

CN212162307U - Crimping machine for electric power engineering

Info

Publication number: CN212162307U
Application number: CN202021375809.XU
Authority: CN
Inventors: 林晓挺
Original assignee: Wuhan Far East Electric Manufacturing Co ltd
Current assignee: Wuhan Far East Electric Manufacturing Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2020-12-15
Anticipated expiration: 2030-07-14

Abstract

The utility model relates to a crimping machine technical field especially relates to a crimping machine for electric power engineering, which comprises a bod, the plunger, the vertical crimping pincers of installing in organism top, the pincers mouth of going up the crimping pincers is downward, go up the corresponding crimping pincers that is provided with down in the under crimping pincers, the pincers mouth of lower crimping pincers upwards with the pincers mouth looks adaptation of last crimping pincers, the oil tank is left to the organism bottom, the oil tank runs through for annular hollow structure and central authorities and is provided with main hydraulic cylinder, be provided with first oil circuit in the organism bottom respectively, second oil circuit and third oil circuit, first oil circuit all is provided with the check valve with second oil circuit inboard. Through the cooperation between check valve and the oil circuit, can realize laborsaving for reliable operation, used preparation material all are engineering common materials, and the cost of manufacture is lower, can used repeatedly.

Description

Crimping machine for electric power engineering

Technical Field

The utility model relates to a press-connection machine technical field especially relates to a press-connection machine for electric power engineering.

Background

The crimping machine is a necessary tool for conducting wire connection and crimping in the on-line foundation construction and line maintenance of the power industry. The crimping machine is divided into a hydraulic crimping machine, a large-tonnage crimping machine (punch), an insulating terminal crimping machine and a crimping clamp split type crimping machine, during working, a piece to be crimped is placed in a pressing die in the crimping clamp, a moving mechanism moves the crimping clamp to a required proper position to be crimped, and a hydraulic pump station provides hydraulic high-pressure oil to push the hydraulic clamp to work so as to crimp.

The existing crimping machine for the electric power engineering is special hydraulic equipment for applying or maintaining an electric power transmission line and crimping a lead or a steel strand strain and a splicing sleeve, but the existing crimping machine for the large-tonnage electric power engineering is inconvenient to carry in the actual use process, and the traditional portable crimping machine has the defects of labor waste in operation and low working efficiency, so that the crimping force is insufficient.

In order to solve the above problems, we propose a crimping machine for power engineering.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a crimping machine for electric power engineering.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a crimping machine for electric power engineering, includes the organism, the plunger, the vertical crimping pincers of installing in organism top, the pincers mouth of going up crimping pincers is downward, goes up the corresponding crimping pincers that is provided with down under the crimping pincers, and the pincers mouth of crimping pincers makes progress and the pincers mouth looks adaptation of last crimping pincers down, and the oil tank is left to the organism bottom, and the oil tank runs through for annular hollow structure and central authorities and is provided with the main hydraulic cylinder, the crimping pincers are vertical to be installed down in the main hydraulic cylinder, and the pincers body of crimping pincers and the cylinder looks adaptation of main hydraulic cylinder down, and one side of organism is installed and is assisted the hydraulic cylinder, the plunger is vertical to be installed in assisting the hydraulic cylinder, and plunger and the cylinder looks adaptation of assisting the hydraulic cylinder, is provided with first oil circuit in the organism bottom respectively, second oil circuit and third oil circuit, and first oil circuit all is provided with the check valve with second oil circuit.

Preferably, a pressure lever and a connecting rod are installed above the plunger, and the pressure lever is hinged to the side wall of the machine body.

Preferably, one end of the connecting rod is connected with the pressure rod through a sliding block and a sliding groove, and the other end of the connecting rod is hinged with the upper end face of the plunger.

Preferably, the inlet end of the check valve corresponding to the first oil path is communicated with the oil tank.

Preferably, the inlet end of the check valve corresponding to the second oil path is communicated with the auxiliary hydraulic cylinder.

Preferably, the third oil path communicates the master cylinder and the oil tank.

Preferably, a reset bolt is transversely arranged on one side, close to the outer wall of the machine body, of the third oil way, and a steel ball matched with an inner pipe orifice of the third oil way is mounted at one end of the reset bolt.

The utility model has the advantages that: through the crimping machine for electric power engineering that this scheme provided, solved current large-tonnage crimping machine for electric power engineering inconvenient carrying, traditional portable crimping machine has the operation hard, and the crimping force is not enough to cause the not good problem of crimping effect. The upper crimping pliers and the lower crimping pliers can clamp cables with different diameters, labor can be saved through the matching between the check valve and the oil way, work is reliable, all manufacturing materials are engineering common materials, manufacturing cost is low, and the crimping pliers can be used repeatedly.

Drawings

Fig. 1 is a schematic front view of a crimping machine for power engineering according to the present invention;

fig. 2 is a schematic side view of a crimping machine for power engineering according to the present invention;

fig. 3 is a schematic top view of a main component of a crimping machine for power engineering according to the present invention;

fig. 4 is an enlarged schematic structural view of a crimping machine a for electric power engineering according to the present invention.

In the figure: the hydraulic system comprises a machine body 1, an oil tank 2, a main hydraulic cylinder 3, an auxiliary hydraulic cylinder 4, a plunger 5, a lower crimping clamp 6, an upper crimping clamp 7, a first oil way 8, a second oil way 9, a third oil way 10, a one-way valve 11, a connecting rod 12, a reset bolt 13, a steel ball 14 and a connecting rod 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a crimping machine for electric power engineering comprises a machine body 1 and a plunger 5, wherein an upper crimping tong 7 is vertically installed at the top end of the machine body 1, a tong mouth of the upper crimping tong 7 faces downwards, a lower crimping tong 6 is correspondingly arranged under the upper crimping tong 7, a tong mouth of the lower crimping tong 6 faces upwards and is matched with a tong mouth of the upper crimping tong 7, an oil tank 2 is reserved at the bottom end of the machine body 1, the oil tank 2 is of an annular hollow structure, a main hydraulic cylinder 3 is arranged in the center of the oil tank 2 in a penetrating mode, the lower crimping tong 6 is vertically installed in the main hydraulic cylinder 3, the body of the lower press-connection clamp 6 is matched with the cylinder barrel of the main hydraulic cylinder 3, one side of the machine body 1 is provided with an auxiliary hydraulic cylinder 4, the plunger 5 is vertically arranged in the auxiliary hydraulic cylinder 4, and the plunger 5 is matched with the cylinder barrel of the auxiliary hydraulic cylinder 4, a first oil path 8, a second oil path 9 and a third oil path 10 are respectively arranged in the bottom end body of the machine body 1, and the inner sides of the first oil path 8 and the second oil path 9 are respectively provided with a one-way valve 11.

In this embodiment, a pressure lever 12 and a connecting rod 15 are installed above the plunger 5, the pressure lever 12 is installed on the side wall of the machine body 1 in an articulated manner, the pressure lever 12 serves as a pressing rod piece, labor is saved to press the plunger 5, one end of the connecting rod 15 is connected with the pressure lever 12 through a sliding block and a sliding groove, the other end of the connecting rod is articulated with the upper end face of the plunger 5, the inlet end of a check valve 11 corresponding to a first oil path 8 is communicated with an oil tank 2, the inlet end of a check valve 11 corresponding to a second oil path 9 is communicated with an auxiliary hydraulic cylinder 4, a reset bolt 13 is transversely arranged on one side, close to the outer wall of the machine body 1, of a third oil path 10, so that oil pressure in the main hydraulic cylinder.

Specifically, when a cable terminal for power engineering is placed on a jaw of the lower crimping pliers 6, the reset bolt 13 is screwed, so that the steel ball 14 is pressed on an inner pipe orifice of the third oil path 10, the plunger 5 is driven to reciprocate in the auxiliary hydraulic cylinder 4 by pressing the connecting rod 12, when the plunger 5 moves upwards, the volume in the auxiliary hydraulic cylinder 4 is increased, an oil absorption effect is generated, oil is sucked into the auxiliary hydraulic cylinder 4 from the oil tank 2 through the first oil path 8, and due to the existence of the check valve 11, the oil can only flow into the auxiliary hydraulic cylinder 4 from the oil tank 2 in a one-way mode.

Further, when the plunger 5 moves downward, the volume in the auxiliary hydraulic cylinder 4 is reduced, a hydraulic oil effect is generated, the oil is pressed into the main hydraulic cylinder 3 through the second oil path 9, the oil can only flow into the main hydraulic cylinder 3 from the auxiliary hydraulic cylinder 4 in a single direction due to the existence of the check valve 11, and the process is repeated until the upper crimping pliers 7 and the lower crimping pliers 6 are matched to complete the crimping work.

Further, after the crimping process is completed, the device is required to perform pressure relief work, the reset bolt 13 is rotated, so that the steel ball 14 is separated from the pipe orifice inside the third oil path 10, the oil inside the main hydraulic cylinder 3 is discharged into the oil tank 2, and the pressure relief process is completed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A crimping machine for electric power engineering comprises a machine body (1) and a plunger (5), and is characterized in that an upper crimping tong (7) is vertically installed at the top end of the machine body (1), a tong mouth of the upper crimping tong (7) faces downwards, a lower crimping tong (6) is correspondingly arranged under the upper crimping tong (7), a tong mouth of the lower crimping tong (6) faces upwards and is matched with a tong mouth of the upper crimping tong (7), an oil tank (2) is reserved at the bottom end of the machine body (1), the oil tank (2) is of an annular hollow structure, a main hydraulic cylinder (3) penetrates through the center of the oil tank (2), the lower crimping tong (6) is vertically installed in the main hydraulic cylinder (3), a tong body of the lower crimping tong (6) is matched with a cylinder barrel of the main hydraulic cylinder (3), an auxiliary hydraulic cylinder (4) is installed on one side of the machine body (1), the plunger (5) is vertically installed in the auxiliary hydraulic cylinder (4), and the plunger (5) is matched with the cylinder barrel of the hydraulic cylinder barrel of the, a first oil way (8), a second oil way (9) and a third oil way (10) are respectively arranged in the bottom end of the machine body (1), and one-way valves (11) are respectively arranged on the inner sides of the first oil way (8) and the second oil way (9).

2. The crimping machine for the electric power engineering as claimed in claim 1, wherein a pressure lever (12) and a connecting rod (15) are mounted above the plunger (5), and the pressure lever (12) is hinged on the side wall of the machine body (1).

3. The crimping machine for electric power engineering according to claim 2, characterized in that one end of the connecting rod (15) is connected with the pressure rod (12) through a slide block and a chute, and the other end is hinged with the upper end face of the plunger (5).

4. The crimping machine for electrical engineering according to claim 1, wherein the inlet end of the check valve (11) corresponding to the first oil passage (8) is communicated with the oil tank (2).

5. The crimping machine for electrical engineering according to claim 1, wherein the inlet end of the check valve (11) corresponding to the second oil path (9) is communicated with the auxiliary hydraulic cylinder (4).

6. The crimper for electric power engineering according to claim 1, characterized in that said third oil path (10) connects the master cylinder (3) with the oil tank (2).

7. The crimping machine for the electric power engineering as claimed in claim 1, wherein a reset bolt (13) is transversely arranged on one side of the third oil path (10) close to the outer wall of the machine body (1), and a steel ball (14) matched with an inner pipe orifice of the third oil path (10) is mounted at one end of the reset bolt (13).