CN110518437B

CN110518437B - Cable cutting device

Info

Publication number: CN110518437B
Application number: CN201910636564.7A
Authority: CN
Inventors: 陈腾彪
Original assignee: Shenzhen Power Supply Bureau Co Ltd
Current assignee: Shenzhen Power Supply Bureau Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2021-01-29
Anticipated expiration: 2039-07-15
Also published as: CN110518437A

Abstract

The invention discloses a cable cutting device, comprising: the support frame, with the cable is connected and hugs closely to the support frame to cable circumferential direction's enclasping mechanism relatively, with the support frame is connected and is followed support frame relative motion's movable support mechanism, and with movable support mechanism connects and is used for cutting the cutting mechanism of cable. The cable cutting device provided by the invention is used for cutting the end part of the cable in an electric mode, is simple and convenient to operate, has low requirement on the skill level of operators, is low in labor intensity of cutting operation, improves the efficiency and quality, and overcomes the defects of manual cutting operation.

Description

Cable cutting device

Technical Field

The invention relates to the technical field of electric power, in particular to a cable cutting device.

Background

The high-voltage cable is widely applied in China, and the safe operation of a power grid is influenced by the good and bad manufacturing process of the high-voltage cable terminal. The high-voltage cable terminal is manufactured by cutting the end part of a cable core into a cone and manually cutting the cone by using a cutter, so that the requirement on the skill level of operators is high, the labor intensity of cutting operation is high, the efficiency is low, and the quality is uneven.

Disclosure of Invention

Based on the technical scheme, the invention provides the cable cutting device which overcomes the defects that the cutting of the high-voltage cable terminal in the prior art has high requirement on the skill level of operators, the labor intensity of the cutting operation is high, the efficiency is low and the quality is uneven.

The technical scheme is as follows:

a cable cutting apparatus comprising: the support frame, with the cable is connected and hugs closely to the support frame to cable circumferential direction's enclasping mechanism relatively, with the support frame is connected and is followed support frame relative motion's movable support mechanism, and with movable support mechanism connects and is used for cutting the cutting mechanism of cable.

The cable cutting device of the technical scheme adopts an electric mode to carry out cable end cutting operation, is simple and convenient to operate, has low requirement on the skill level of operating personnel, has low labor intensity of cutting operation, improves the efficiency and the quality, and solves the defects of manual cutting operation. Specifically, the technical scheme is that the cable cutting device is installed on a cable of which the end part needs to be cut, the cable is placed in the holding mechanism, the movable support is adjusted, the cutting mechanism connected with the movable support is in contact with the end part of the cable and performs cutting operation, and the holding mechanism can rotate circumferentially relative to the cable, so that the cable cutting device of the technical scheme rotates circumferentially in the cutting process to perform cutting operation in the circumferential direction; and after the cutting operation for one circle is finished, readjusting the movable support to enable the cutting mechanism to be in contact with the end part of the cable, continuously rotating the cutting device in the technical scheme in the circumferential direction, and repeating the adjustment and rotation until the end part of the cable reaches the conical shape required to be cut.

In one embodiment, the clasping mechanism comprises a clasping frame assembly connected with the support frame and a guide wheel assembly connected with the clasping frame assembly and used for clasping the cable and enabling the clasping frame assembly to rotate circumferentially relative to the cable.

In one embodiment, the clasping frame assembly comprises a first L-shaped clamp connected with the support frame and a second L-shaped clamp connected with the first L-shaped clamp sliding groove sliding rail; the guide wheel assembly is connected with the first L-shaped clamp and the second L-shaped clamp.

In one embodiment, the clasping frame assembly further comprises a first and a second bows connected with the first and the second L-shaped clips, respectively, concave surfaces of the first and the second bows are opposite, and the guide wheel assembly is connected with the first and the second L-shaped clips through the first and the second bows, respectively.

In one embodiment, the guide wheel assembly includes four guide wheels, and the four guide wheels are respectively disposed at two ends of the first bow and two ends of the second bow.

In one embodiment, the support frame is an L-shaped support frame, the clasping mechanism is arranged on a long side of the L-shaped support frame, and the movable support mechanism is slidably arranged on a short side of the L-shaped support frame.

In one embodiment, the movable support mechanism comprises a sliding frame in sliding fit with the short side of the L-shaped support frame, a screw rod in transmission connection with the sliding frame, and a nut for adjusting the rotation of the screw rod.

In one embodiment, the support frame further comprises a clamping portion arranged on the short side of the L-shaped support frame, the screw rod penetrates through the clamping portion, the side where the head of the screw rod is located is in transmission connection with the sliding frame, and the nut is arranged on the side, far away from the head of the screw rod, of the clamping portion; and a pressure spring is sleeved between the nut and the head of the screw rod.

In one embodiment, the cutting mechanism includes a motor connected to the movable bracket mechanism, and a blade connected to the motor and configured to cut the cable.

In one embodiment, the number of the clasping mechanisms is at least two, and at least two clasping mechanisms are arranged on the support frame in parallel at intervals.

Drawings

Fig. 1 is a schematic structural diagram of a cable cutting device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a cable cutting apparatus according to an embodiment of the present invention in use;

FIG. 3 is an exploded view of FIG. 2;

fig. 4 is an exploded view of the clasping mechanism of fig. 1.

Description of reference numerals:

10. a support frame; 11. a clamping part; 20. a clasping mechanism; 21. clasping the frame assembly; 211. a first L-shaped clip; 212. a second L-shaped clip; 213. a first bow; 214. a second bow; 22. a guide wheel assembly; 221. a guide wheel; 222. a guide wheel foot; 30. a movable support mechanism; 31. a carriage; 32. a screw; 33. a nut; 34. a pressure spring; 40. a cutting mechanism; 41. a motor; 42. a blade; 50. a cable; 60. and (4) bolts.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The terms "first" and "second" used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.

A cable cutting apparatus as shown in fig. 1-2, comprising: the supporting frame 10 is connected with the supporting frame 10 and tightly embraces the cable 50, and the tightly embracing mechanism 20 which can rotate circumferentially relative to the cable 50, the movable bracket mechanism 30 which is connected with the supporting frame 10 and moves relative to the supporting frame 10, and the cutting mechanism 40 which is connected with the movable bracket mechanism 30 and used for cutting the cable 50.

The cable cutting device of the embodiment adopts an electric mode to carry out 50-end cutting operation on the cable, is simple and convenient to operate, has low requirement on the skill level of operators, has low labor intensity of cutting operation, improves the efficiency and quality, and overcomes the defects of manual cutting operation. Specifically, the present embodiment is installed on a cable 50 whose end is to be cut, the cable 50 is placed in the clasping mechanism 20, the movable bracket is adjusted so that the cutting mechanism 40 connected to the movable bracket contacts with the end of the cable 50 and performs cutting operation, and since the clasping mechanism 20 can rotate circumferentially relative to the cable 50, the cable cutting device of the present embodiment is rotated circumferentially during cutting to perform cutting operation in the circumferential direction; after the cutting operation for one round is completed, the movable holder is readjusted to bring the cutting mechanism 40 into contact with the end of the wire 50, the cutting device of the present embodiment is continuously rotated in the circumferential direction, and the above-described adjustment and rotation operations are repeated until the end of the wire 50 reaches the tapered shape to be cut.

The clasping mechanism 20 of the present embodiment includes a clasping frame assembly 21 connected to the support frame 10, and a guide wheel assembly 22 connected to the clasping frame assembly 21 and configured to clasping the cable 50, so that the clasping frame assembly 21 can rotate circumferentially relative to the cable 50. When the clasping mechanism 20 of the present embodiment is installed, the guide wheel assembly 22 is in contact with the cable 50, the clasping frame assembly 21 is matched with the guide wheel assembly 22 to limit the cable 50, and the cable 50 and the clasping frame assembly 21 can rotate relatively, so that the circumferential cutting operation of the end part of the cable 50 is ensured to be smoothly performed.

As shown in fig. 1 and fig. 4, the clasping frame assembly 21 comprises a first L-shaped clip 211 connected to the supporting frame 10, and a second L-shaped clip 212 connected to the first L-shaped clip 211 by sliding rail; the guide wheel assembly 22 is connected to both the first L-shaped clamp 211 and the second L-shaped clamp 212. In this embodiment, the long sides of the first L-shaped clamp 211 are engaged with the long sides of the second L-shaped clamp 212 through the sliding groove and the short sides are disposed opposite to each other, and the guide wheel assembly 22 is disposed on the short sides, so that when the cable 50 is installed, the second L-shaped clamp 212 is pulled open through the sliding groove and the sliding groove, the gap between the second L-shaped clamp and the short side of the first L-shaped clamp 211 is enough for the cable 50 to be placed in, the cable 50 is placed in the gap between the two short sides, and then the second L-shaped clamp 211 is pulled to make the guide wheel assembly 22 contact with the cable 50 to limit the cable 50, and the relative positions of the first L-shaped clamp 211 and the second L-shaped clamp 212. The present embodiment fixes the relative positions of the first L-shaped clip 211 and the second L-shaped clip 212 by the bolt 60.

Since the cable 50 has a cylindrical structure, in order to make the guide wheel assembly 22 contact and limit the cable 50 better, the clasping frame assembly 21 of the present embodiment further includes a first bow 213 and a second bow 214 connected to the first L-shaped clamp 211 and the second L-shaped clamp 212, respectively, concave surfaces of the first bow 213 and the second bow 214 are opposite, and the guide wheel assembly 22 is connected to the first L-shaped clamp 211 and the second L-shaped clamp 212 through the first bow 213 and the second bow 214, respectively.

The guide wheel assembly 22 of the present embodiment includes four guide wheels 221, and the four guide wheels 221 are respectively disposed at both ends of the first bow 213 and both ends of the second bow 214. Specifically, the guide roller 221 is disposed on the first bow 213 and the second bow 214 through a guide roller foot 222. The rotation axis of the guide wheel 221 is parallel to the axis of the cable 50, so that the clasping mechanism 20 can rotate along the circumferential direction of the cable 50.

In this embodiment, the support frame 10 is an L-shaped support frame 10, the clasping mechanism 20 is disposed on a long side of the L-shaped support frame 10, and the movable support mechanism 30 is slidably disposed on a short side of the L-shaped support frame 10.

As shown in fig. 1 and fig. 3, the movable support mechanism 30 includes a sliding frame slidably engaged with the short side of the L-shaped support frame 10, a screw 32 drivingly connected to the sliding frame 31 and a nut 33 for adjusting the rotation of the screw 32. The nut 33 is sleeved on the screw rod 32, when the adjusting nut 33 rotates, the screw rod 32 rotates, the rotation motion of the screw rod is converted into the linear motion of the sliding frame 31, the sliding frame 31 is driven to move up and down along the short side of the L-shaped support frame 10, the radial position relation between the cutting mechanism 40 connected with the sliding frame 31 and the cable 40 is adjusted, and the cutting mechanism 40 can be ensured to be in contact with the end part of the cable 40 and cut. The carriage 31 of the present embodiment has an S-shaped structure, and is convenient for assembly with the support frame 10, the screw 32, and the cutting mechanism 40.

In order to limit the nut 33, the present embodiment further includes a clamping portion 11 disposed on the short side of the L-shaped support frame 10, the clamping portion 11 is a clamping plate provided with a dovetail groove, the screw rod 32 is inserted into the dovetail groove of the clamping portion 11, the side where the head of the screw rod 32 is located is in transmission connection with the sliding frame 31, and the nut 33 is disposed on the side of the clamping portion 11 away from the head of the screw rod 32; a pressure spring 34 is sleeved between the nut 33 and the head of the screw 32, and provides pressing force for the nut 33 and the sliding frame 31 to prevent the sliding frame 31 from sliding freely.

This embodiment cutting mechanism 40 include with the motor 41 that activity gimbal mechanism 30 is connected, and with motor 41 is connected and is used for cutting the blade 42 of cable 50, cuts cable 50 through motor drive blade 42 to make whole cutting process automatic, avoid the inefficiency that manual cutting leads to, the quality is uneven scheduling problem. Further, considering that the end of the cable 50 is cut to be tapered in the present embodiment, the blade 42 of the present embodiment is disposed at an angle to the axis of the cable 50, and the specific angle may be determined according to the specific taper angle. At the same time, the provision of the S-shaped carriage 31 facilitates the angular disposition of the blade 42.

This embodiment the quantity of holding tightly mechanism 20 is at least two, at least two hold tightly mechanism 20 interval parallel arrangement in on support frame 10, strengthen the limiting displacement to cable 50, improve the stability and the reliability of cutting. In other embodiments, the number of clasping mechanisms 20 may be increased or decreased as appropriate.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A cable cutting apparatus, comprising: the cable cutting machine comprises a support frame, a holding mechanism, a movable support mechanism and a cutting mechanism, wherein the holding mechanism is connected with the support frame, holds a cable tightly and can rotate circumferentially relative to the cable, the movable support mechanism is connected with the support frame and moves along the support frame relatively, and the cutting mechanism is connected with the movable support mechanism and is used for cutting the cable; the clasping mechanism comprises a clasping frame assembly connected with the support frame, the clasping frame assembly comprises a first L-shaped clamp connected with the support frame, and a second L-shaped clamp connected with the first L-shaped clamp through a sliding groove and a sliding rail.

2. The cable cutting apparatus of claim 1, wherein the clasping mechanism further comprises a guide wheel assembly coupled to the clasping frame assembly and configured to clasp the cable and enable the clasping frame assembly to rotate circumferentially relative to the cable.

3. The cable cutting apparatus of claim 2, wherein the guide wheel assembly is coupled to both the first L-clip and the second L-clip.

4. The cable cutting apparatus of claim 3, wherein the clasping frame assembly further comprises a first and second bows connected to the first and second L-clips, respectively, the concave surfaces of the first and second bows being opposite, and the guide wheel assembly being connected to the first and second L-clips through the first and second bows, respectively.

5. The cable cutting apparatus as set forth in claim 4, wherein the guide wheel assembly includes four guide wheels provided at both ends of the first bow and at both ends of the second bow, respectively.

6. The cable cutting device according to claim 1, wherein the support frame is an L-shaped support frame, the clasping mechanism is disposed on a long side of the L-shaped support frame, and the movable support mechanism is slidably disposed on a short side of the L-shaped support frame.

7. The cable cutting apparatus of claim 6, wherein the movable carriage mechanism includes a carriage slidably engaged with a short side of the L-shaped support frame, a threaded rod drivingly connected to the carriage, and a nut for adjusting the rotation of the threaded rod.

8. The cable cutting device according to claim 7, further comprising a clamping portion disposed on a short side of the L-shaped support frame, wherein the screw rod is disposed through the clamping portion, a head portion side of the screw rod is in transmission connection with the sliding frame, and the nut is disposed on a side of the clamping portion away from the head portion of the screw rod; and a pressure spring is sleeved between the nut and the head of the screw rod.

9. The cable cutting apparatus of any one of claims 1-8, wherein the cutting mechanism includes a motor coupled to the movable bracket mechanism, and a blade coupled to the motor for cutting the cable.

10. The cable cutting device according to any one of claims 1 to 8, wherein the number of the clasping mechanisms is at least two, and at least two clasping mechanisms are arranged on the support frame in parallel at intervals.