CN216872467U

CN216872467U - Cable head machining tool for high-voltage cable

Info

Publication number: CN216872467U
Application number: CN202220503777.XU
Authority: CN
Inventors: 罗智伟; 罗艺灵
Original assignee: Chongqing Changxin Industrial Co ltd
Current assignee: Chongqing Changxin Industrial Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-07-01
Anticipated expiration: 2032-03-10

Abstract

The utility model relates to the technical field of high-voltage power transmission engineering, and discloses a cable head machining tool for a high-voltage cable; the cable head processing tool of the high-voltage cable of the utility model comprises: the milling cutter is arranged on an output shaft of the rotation driving device, and cutting edges are arranged on the end surface and the side surface of one end, away from the rotation driving device, of the milling cutter; one end of the guide frame is slidably arranged on the machine body, the guide frame can slide along the axial direction of the milling cutter, and a plurality of mounting positions are arranged along the axial direction of the milling cutter; the other end of the guide frame extends outwards along the axial direction of the milling cutter and exceeds the milling cutter; and one end of the guide frame, which exceeds the milling cutter, is provided with a guide hole, and the central line of the guide hole is vertical to the rotating shaft line of the milling cutter. The method can be suitable for high-voltage cables with different thicknesses of the protective layers, and reduces the operation difficulty of stripping the protective layers.

Description

Cable head machining tool for high-voltage cable

Technical Field

The utility model relates to the technical field of high-voltage power transmission engineering, in particular to a cable head machining tool for a high-voltage cable.

Background

High voltage cables are subjected to high currents, which generate magnetic fields, and are usually provided with shielding layers and insulating layers in order not to affect other components and transmission safety. When the high-voltage cable is connected with a terminal or between cables, an external protective layer (such as an insulating layer, a shielding layer and the like) of a cable head needs to be stripped so as to manufacture a connection joint. The traditional mode of peeling off of protective layer is manual going on, and the workman uses the electrician sword to peel off, and there is the difference in the protective layer structure and the thickness of different cables, and the dynamics of using the electrician sword is difficult to control, and the too big easy fish tail sinle silk of exerting oneself is difficult to cut the protective layer when the power is not enough, therefore work efficiency is lower and easy tired.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a cable head machining tool for a high-voltage cable; the method can be suitable for high-voltage cables with different thicknesses of the protective layers, and reduces the operation difficulty of stripping the protective layers.

To achieve the above object, a cable head processing tool for a high voltage cable according to the present invention includes:

the milling cutter is arranged on an output shaft of the rotation driving device, and cutting edges are arranged on the end face and the side face of one end, far away from the rotation driving device, of the milling cutter;

the guide frame is arranged on the machine body in a sliding mode, can slide along the axial direction of the milling cutter and is provided with a plurality of mounting positions along the axial direction of the milling cutter; the other end of the guide frame extends outwards of the machine body along the axial direction of the milling cutter and exceeds the milling cutter; and one end of the guide frame, which exceeds the milling cutter, is provided with a guide hole, and the central line of the guide hole is perpendicular to the rotating shaft line of the milling cutter.

In one embodiment, the guide frame is slidably sleeved outside the machine body, and the machine body is further provided with a limiting mechanism capable of limiting the guide frame on each mounting position.

In one embodiment, the machine body is further provided with a guide groove, and the extension direction of the guide groove is parallel to the rotating axis of the milling cutter; the guide frame is also provided with a supporting block, and one end of the supporting block is slidably inserted into the guide groove; an adjusting block is mounted outside the machine body in a screwed mode, and the thread center line of the adjusting block is parallel to the rotating axis of the milling cutter; and an elastic supporting piece is further arranged in the guide groove, is elastically connected with the machine body and the supporting block and provides elastic force to enable the guide frame to slide, the guide hole is close to the milling cutter, and the guide frame is abutted to the adjusting block.

In one embodiment, the elastic support is a spring, one end of the spring abuts against one end of the guide groove close to the milling cutter, and the other end of the spring abuts against the supporting block.

In one embodiment, the guide frame comprises an annular main body, the annular main body is slidably sleeved outside the machine body along the axial direction of the milling cutter, the supporting block is arranged on the inner wall of the annular main body, an extension arm is arranged at one end of the annular main body close to the milling cutter, and the guide hole is arranged on the extension arm.

In one embodiment, the guide frame is further provided with a wire outlet hole, and the wire outlet hole is coaxial with the guide hole and is arranged on two sides of the milling cutter at an interval with the guide hole.

The cable head machining tool for the high-voltage cable in the technical scheme at least has the following advantages:

(1) the high-voltage cable connector end is inserted into the guide hole, and the protective layer of the cable is cut and stripped by using the milling cutter, so that the operation difficulty of stripping the protective layer is reduced; the sliding guide frame is arranged on different installation positions, the distance between the guide hole and the milling cutter is changed, and the sliding guide frame can be suitable for protecting high-voltage cables with different thicknesses.

(2) Elastic support makes leading truck and regulating block butt restriction guiding hole and the minimum distance between the milling cutter, and the control milling cutter is to the maximum depth of cut of cable protective layer, and when the protective layer thickness was inhomogeneous, elastic support cushioned the contact pressure between cable and the milling cutter, prevented to damage the sinle silk.

(3) The wire outlet hole is used for leading out the wire core and is matched with the guide hole to ensure that the cable is easy to cut by a milling cutter.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

Fig. 1 is a front partial cross-sectional view of a cable head machining tool for a high-voltage cable according to an embodiment of the present invention;

fig. 2 is a left side view of a cable head machining tool of the high voltage cable shown in fig. 1;

fig. 3 is a top view of a cable head machining tool of the high voltage cable shown in fig. 1;

reference numerals:

1-machine body, 11-guide groove, 2-rotation driving device, 3-milling cutter, 4-guide frame, 41-annular main body, 42-extension arm, 43-guide hole, 44-supporting block, 45-wire outlet hole, 5-adjusting block, 6-elastic supporting piece, 7-cable, 71-wire core and 72-protective layer.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.

In the description of the present application, it is to be understood that, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 3, a cable head processing tool for a high voltage cable according to an embodiment includes a machine body 1, a rotation driving device 2, a milling cutter 3, and a guide frame 4, which can be applied to high voltage cables with different thicknesses of a protective layer, and reduce difficulty in peeling the protective layer.

Specifically, a rotation driving device 2 is disposed at one end of the machine body 1. The output shaft of the rotation driving device 2 is provided with a milling cutter 3. The end face and the side face of one end of the milling cutter 3 far away from the rotation driving device 2 are both provided with cutting edges. The body 1 serves to support and mount the remaining components. The rotation driving device 2 is used for driving the milling cutter 3 to rotate. The milling cutter 3 is used to cut the protective layer of the cable. In one embodiment, the housing 1 is cylindrical in configuration. The rotation driving device 2 is installed in the machine body 1, and an output shaft of the rotation driving device 2 extends out of the machine body 1 from one end face of the machine body 1 and is used for installing the milling cutter 3. In one embodiment, the rotation driving device 2 includes a motor and a reduction gear, an output shaft of the motor is connected with an input shaft of the reduction gear, and the milling cutter 3 is disposed on the output shaft of the reduction gear. The motor is connected with a power supply and drives the milling cutter 3 to rotate through the speed reduction transmission device. Specifically, the reduction transmission device is a planetary reducer. It will be appreciated that the rotary drive 2 may also be a pneumatically or hydraulically driven rotary drive.

One end of the guide frame 4 is slidably disposed on the machine body 1. The guide frame 4 is slidable in the axial direction of the milling cutter 3, and has a plurality of mounting positions in the axial direction of the milling cutter 3. The other end of the guide frame 4 extends outward of the machine body 1 along the axial direction of the milling cutter 3 and exceeds the milling cutter 3. The end of the guide frame 4 beyond the milling cutter 3 is provided with a guide hole 43, and the central line of the guide hole 43 is vertical to the rotating axis of the milling cutter 3. The guide hole 43 is used for inserting the cable joint end into the processing tool, so that the milling cutter 3 can cut the protective layer of the cable with a certain cutting depth. Specifically, the guide frame 4 is slidably sleeved outside the machine body 1, the machine body 1 is further provided with a limiting mechanism, and the limiting mechanism can limit the guide frame 4 on each installation position. When the guide frame 4 is arranged at different mounting positions, the distance between the milling cutter 3 and the center line of the guide hole 43 is different, so that the cutting depth of the milling cutter 3 for cutting a protective layer can be changed. When the cable protective layer peeling device is used, the high-voltage cable connector end is inserted into the guide hole 43, the cable protective layer is cut and peeled by the milling cutter 3, and the operation difficulty of peeling the protective layer is reduced; the guide frame 4 is slid to be installed at different installation positions, and the distance between the guide hole 43 and the milling cutter 3 is changed, so that the high-voltage cable can be suitable for protecting high-voltage cables with different thicknesses.

In one embodiment, the machine body 1 is further provided with a guide groove 11, and the extending direction of the guide groove 11 is parallel to the rotation axis of the milling cutter 3. The guide frame 4 is further provided with a supporting block 44. One end of the supporting block 44 is slidably inserted into the guide groove 11. An adjusting block 5 is mounted outside the machine body 1 in a screwed mode. The thread central line of the adjusting block 5 is parallel to the rotating axis of the milling cutter 3. An elastic support member 6 is also provided in the guide groove 11. The elastic support 6 elastically connects the machine body 1 and the support block 44 and provides elastic force to slide the guide frame 4, the guide hole 43 is close to the milling cutter 3, and the guide frame 4 abuts against the adjusting block 5. Specifically, the adjustment block 5 is screw-fitted on the outer circumference of the cylindrical body 1. The adjusting block 5 is arranged in the middle of the machine body 1, and one end of the machine body 1, which is far away from the rotation driving device 2, is arranged as a handle. One end of the machine body 1, which is provided with a handle, can be provided with a battery or a power line so as to drive a motor to drive the milling cutter 3. In one embodiment, the adjustment block 5 is a nut. The elastic support part 6 provides elastic force to enable the guide frame 4 to be abutted against the adjusting block 5, so that the guide frame 4 is limited on different installation positions on the machine body 1. The position of the guide frame 4 on the machine body 1 is adjusted through the change of the external screw installation position of the adjusting block 5 on the machine body 1. Specifically, the guide frame 4 includes a ring-shaped body 41. The annular body 41 is slidably sleeved outside the machine body 1 along the axial direction of the milling cutter 3. The support blocks 44 are disposed on the inner wall of the ring body 41. An extension arm 42 is provided on one end of the ring-shaped body 41 near the milling cutter 3, and a guide hole 43 is provided on the extension arm 42. In one embodiment, the resilient support 6 is a spring, one end of which abuts one end of the guide groove 11 adjacent to the milling cutter 3, and the other end of which abuts the support block 44. The spring generates an elastic force support body to the support block 44 by its own elasticity, the elastic force support body facing the end of the machine body 1 away from the rotation driving device 2. Elastic support 6

makes leading truck

4 and 5 butt restrictions guiding hole 43 and the minimum distance between milling cutter 3 of regulating block, and control milling cutter 3 is to the maximum depth of cut of cable protective layer, and when the protective layer thickness was inhomogeneous, elastic support 6 cushions the contact pressure between cable and milling cutter 3, prevents to damage the sinle silk. In one embodiment, the guide grooves 11, the support blocks 44 and the elastic support members 6 are disposed in one-to-one correspondence, and are respectively disposed in a plurality of groups at intervals around the rotation axis of the milling cutter 3. The guide groove 11, the supporting block 44 and the elastic supporting piece 6 are matched with the guide frame 4 and the machine body 1 to form a limiting mechanism.

In one embodiment, the guiding frame 4 is further provided with an outlet hole 45. The outlet hole 45 is coaxially arranged with the guide hole 43 and is arranged on both sides of the milling cutter 3 at an interval from the guide hole 43. The exit holes 45 are used to guide the wire core and cooperate with the guide holes 43 to facilitate the cutting of the cable by the milling cutter 3. Specifically, the number of the extension arms 42 is two, and the extension arms are respectively arranged at intervals at one end of the annular body 41 close to the milling cutter 3, and the guide hole 43 and the wire outlet hole 45 are respectively arranged on the two extension arms 42. In one embodiment, the extension arms 42 are each provided with a removable bushing, and the guide holes 43 and the wire outlet holes 45 are each provided on a corresponding bushing. The bush is configured to be a plurality of, and the diameter of the guide hole 43 or the outlet hole 45 on each bush is different. The high-voltage cable with different wire diameters can be suitable for replacing different bushings.

The working principle of the cable head machining tool for the high-voltage cable in the technical scheme is as follows: the joint end of the high-voltage cable is inserted into the guide hole 43, and the protective layer of the cable is cut and stripped by the milling cutter 3; during cutting, the distance between the guide hole 43 and the milling cutter 3 is kept constant, the cutting thickness of the protective layer is stable, and the operation difficulty of stripping the protective layer is reduced. The guide frame 4 is slid to be installed on different installation positions, and the distance between the guide hole 43 and the milling cutter 3 is changed, so that the thickness of the protective layer cut by the milling cutter 3 is changed, and the high-voltage cable with different protective thicknesses can be adapted to.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. A cable head machining tool for a high-voltage cable is characterized by comprising:

2. The cable head machining tool for the high-voltage cable according to claim 1, wherein the guide frame is slidably sleeved outside the machine body, and a limiting mechanism is further arranged on the machine body and can limit the guide frame at each mounting position.

3. The tool for machining the cable head of the high-voltage cable according to claim 2, wherein a guide groove is further formed in the machine body, and the guide groove extends in a direction parallel to the rotation axis of the milling cutter; the guide frame is also provided with a supporting block, and one end of the supporting block is slidably inserted into the guide groove; an adjusting block is mounted outside the machine body in a screwed mode, and the thread center line of the adjusting block is parallel to the rotating axis of the milling cutter; and an elastic supporting piece is further arranged in the guide groove, is elastically connected with the machine body and the supporting block and provides elastic force to enable the guide frame to slide, the guide hole is close to the milling cutter, and the guide frame is abutted to the adjusting block.

4. The tool for machining the cable head of the high-voltage cable as claimed in claim 3, wherein the elastic support is a spring, one end of the spring abuts against one end of the guide groove close to the milling cutter, and the other end of the spring abuts against the support block.

5. The tool for machining the cable head of the high-voltage cable as claimed in claim 3, wherein the guide frame comprises an annular body, the annular body is slidably sleeved outside the machine body along an axial direction of the milling cutter, the support block is disposed on an inner wall of the annular body, an extension arm is disposed at one end of the annular body close to the milling cutter, and the guide hole is disposed on the extension arm.

6. The tool for machining the cable head of the high-voltage cable according to claim 1, wherein a wire outlet hole is further formed in the guide frame, and the wire outlet hole is coaxially arranged with the guide hole and is spaced apart from the guide hole on both sides of the milling cutter.