CN112003181A

CN112003181A - Cable cutter

Info

Publication number: CN112003181A
Application number: CN202010842234.6A
Authority: CN
Inventors: 陈广华; 莫灿明; 王伟兴; 黄迪莎
Original assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2020-11-27

Abstract

The invention belongs to the technical field of electric power engineering construction, and discloses a cable cutter, which comprises a cutter conveying mechanism and a support, wherein the cutter conveying mechanism comprises a handle, a driving device and a cutter, the handle is arranged on the driving device, the driving device is provided with a working end, the working end can move along the vertical direction, the cutter is arranged on the working end, the driving device is arranged on the support, the support comprises a first support and a second support, the first support is provided with a first mounting groove, the second support is provided with a second mounting groove, one end of the first support is rotatably connected with one end of the second support, the other end of the first support is provided with a lock catch, the lock catch can lock the other end of the first support and the other end of the second support, so that the first mounting groove is opposite to the notch of the second mounting groove to form a working cavity, and the cutter can move up and down in the. The cable cutter is simple in integral structure, capable of effectively fixing a cable, improving the shearing efficiency of the cable, avoiding contact between hands and the cutter, and high in safety performance.

Description

Cable cutter

Technical Field

The invention relates to the technical field of electric power engineering construction, in particular to a cable cutter.

Background

Cables are formed by stranding several or several groups of mutually insulated wires, often twisted around a center, covered with a highly insulating covering, erected in the air or installed underground or underwater, for telecommunication or power transmission. When the cable is installed, the cable can be cut according to the requirements of a construction site, the commonly used wire cutting scissors need to place hands on handles of the wire cutting scissors, the cable is cut through manpower, time and labor are wasted, safety is not enough, the existing cable cutting device is large in structure and complex in interior, timely deployment is needed on site during use, use conditions are limited, carrying and taking along with use are not easy to achieve, work efficiency is reduced, and a large amount of transportation cost is spent.

Disclosure of Invention

The invention aims to provide a cable cutter which is simple in overall structure and convenient to operate, can effectively fix a cable, prevents the cable from slipping off a support, improves the cutting efficiency of the cable, saves the operation and construction time, avoids the contact between hands and cutters and is high in safety performance.

In order to achieve the purpose, the invention adopts the following technical scheme:

a cable cutter comprising:

the cutter feeding mechanism comprises a handle, a driving device and a cutter, wherein the handle is arranged on the driving device, a working end is arranged on the driving device and can move along the vertical direction, and the cutter is arranged on the working end;

the support, drive arrangement install in on the support, the support includes first support and second support, be provided with first mounting groove on the first support, be provided with the second mounting groove on the second support, the one end of first support with the one end of second support is rotated and is connected, be provided with the hasp on the other end of first support, the hasp can with the other end of first support with the other end closure of second support makes first mounting groove with the second mounting groove notch is relative, forms the working chamber, the cutter can reciprocate in the working chamber.

Further, send sword mechanism still including damping device, damping device is including connecting block, bearing block and buffering portion, establish the cavity in the connecting block, the opening is down, the handle set up in the both sides of connecting block, bearing block fixed mounting be in drive arrangement is last, the buffering portion is located in the cavity, one end connect in the connecting block, the other end connect in the bearing block, make through warping the bearing block can slide from top to bottom in the cavity.

Furthermore, the buffering portion comprises a telescopic rod and a spring, one end of the telescopic rod is fixedly installed on the connecting block, the other end of the telescopic rod is fixedly installed on the bearing block, and the spring is sleeved outside the telescopic rod.

Furthermore, damping device still includes first magnet and second magnet, first magnet fixed mounting in the connecting block, second magnet fixed mounting in on the bearing block, first magnet with the mutual repulsion of second magnet.

Furthermore, the support also comprises a supporting device, the driving device and the first support are respectively arranged at the top and the bottom of the supporting device, and the working end can move up and down in the supporting device.

The cutting knife is fixedly arranged on the fixed end, a knife retracting spring is sleeved on the outer side of the knife feeding rod, two ends of the knife retracting spring are fixedly connected to the fixed end and the bottom of the supporting device respectively, and in an initial state, the cutting knife is arranged in the first support and abuts against the bottom of the supporting device;

when the cutter is fed, the driving device drives the working end to drive the cutter feeding rod to move downwards, the cutter is far away from the bottom of the supporting device, the cutter retracting spring is stressed and stretched, and the cutter extends into the working cavity; when the cutter is retracted, the cutter retracting spring contracts to drive the cutter feeding rod to move upwards.

Further, the lock catch comprises a fastener and a shifting piece, the fastener is provided with a positioning groove, the other end of the first support and the other end of the second support are respectively provided with a first mounting hole and a second mounting hole, when the first support is buckled on the second support, the fastener can penetrate through the first mounting hole and the second mounting hole, so that the first support is fixedly arranged on the second support, the shifting piece is rotatably connected to the other end of the first support, and when the fastener is inserted into the first mounting hole and the second mounting hole, the shifting piece can be buckled in the positioning groove to prevent the fastener from slipping out of the first mounting hole and the second mounting hole.

Further, the cutter feeding mechanism further comprises a power supply module, and the power supply module is electrically connected to the driving device.

Further, the driving device is a hydraulic cylinder.

Further, a protective soft cushion is arranged on the handle.

The invention has the beneficial effects that: this ware is cut to cable overall structure is simple, convenient operation, and the cable clamp is adorned between first support and second support, can effectual fixed cable, prevents that the cable from slipping on the support, and drive arrangement drive cutter is cuted the cable on the support, has improved the shearing efficiency of cable, has saved the time of operation construction, has avoided producing the contact between staff and the cutter, and the security performance is high.

Drawings

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

FIG. 2 is an enlarged view at A;

fig. 3 is a schematic structural diagram of a shock absorbing device according to an embodiment of the present invention.

In the figure:

1. a knife feeding mechanism; 11. a drive device; 12. a cutter; 121. feeding a cutter bar; 122. retracting the cutter spring; 13. a grip; 14. a damping device; 141. connecting blocks; 142. a bearing block; 143. a buffer section; 144. a first magnet; 145. a second magnet; 15. a power supply module;

2. a support; 21. a first bracket; 211. locking; 22. a second bracket; 23. and a supporting device.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Example one

As shown in fig. 1-2, the present invention provides a cable cutter, which includes a cutter feeding mechanism 1 and a support 2, wherein the cutter feeding mechanism 1 includes a handle 13, a driving device 11 and a cutter 12, the handle 13 is mounted on the driving device 11, the driving device 11 is provided with a working end, the working end can move along a vertical direction, and the cutter 12 is mounted on the working end; drive arrangement 11 installs on support 2, support 2 includes first support 21 and second support 22, be provided with first mounting groove on the first support 21, be provided with the second mounting groove on the second support 22, the one end of first support 21 rotates with the one end of second support 22 and is connected, be provided with hasp 211 on the other end of first support 21, hasp 211 can be with the other end of first support 21 and the other end closure of second support 22, make first mounting groove relative with second mounting groove notch, form the working chamber, cutter 12 can reciprocate in the working chamber.

When the cable cutting machine is used, the lock catch 211 is unlocked, the first support 21 and the second support 22 can rotate relatively, a cable to be cut is placed in the second installation groove, the first support 21 or the second support 22 is rotated to enable the first installation groove to be opposite to the notch of the second installation groove, the lock catch 211 is locked, the cable is placed in the working cavity and tightly clamped between the first installation groove and the second installation groove, an operator holds the handle 13 with two hands to maintain the balance of the cutter feeding mechanism, the driving device 11 is opened, and the working end drives the cutter 12 to move downwards in the working cavity to cut the cable in the working cavity. In this embodiment, the driving device 11 is an existing driving device, and may be an electric transmission, a hydraulic transmission or a pneumatic transmission, and the detailed structure and the working principle thereof are not described herein again.

Specifically, the support 2 further comprises a support device 23, the support device 23 is used for supporting the driving device 11 and the first support 21, the driving device 11 and the first support 21 are respectively installed at the top and the bottom of the support device 23, and the working end can move up and down in the support device 23.

More specifically, the cutting device further comprises a cutter feeding rod 121, two ends of the cutter feeding rod 121 are respectively a connecting end and a fixed end, the connecting end is connected with the working end, the cutter 12 is fixedly installed on the fixed end, a cutter receiving spring 122 is sleeved outside the cutter feeding rod 121, two ends of the cutter receiving spring 122 are respectively and fixedly connected to the fixed end and the bottom of the supporting device 23, and in an initial state, the cutter 12 is placed in the first support 21 and abuts against the bottom of the supporting device 23;

when the cutter is fed, the driving device 11 drives the working end to drive the cutter feeding rod 121 to move downwards, the cutter 12 is far away from the bottom of the supporting device 23, the cutter retracting spring 122 is stressed and stretched, and the cutter 12 extends into the working cavity to cut the cable in the working cavity; after cutting, the driving device 11 is closed to stop working, the driving device 11 releases force, the working end cannot drive the cutter 12 to continue moving downwards, the stretched cutter retracting spring 122 contracts, the cutter conveying rod 121 moves upwards under the elastic action of the cutter retracting spring 122 to push the working end to reset, and meanwhile the cutter 12 is driven to recover to the initial state.

Specifically, the latch 211 comprises a fastener and a poking piece, a positioning groove is formed in the fastener, a first mounting hole and a second mounting hole are formed in the other end of the first support 21 and the other end of the second support 22 respectively, the cable is placed on the second mounting groove, the first support 21 is rotated to be buckled on the second support 22, the fastener can penetrate through the first mounting hole and the second mounting hole, the first support 21 is fixedly installed on the second support 22, the poking piece is rotatably connected to the other end of the first support 21, when the fastener is inserted into the first mounting hole and the second mounting hole, the poking piece can be clamped in the positioning groove, the fastener is prevented from slipping out of the first mounting hole and the second mounting hole, and the cable can be stably clamped between the first mounting groove and the second mounting groove.

Specifically, the knife feeding mechanism 1 further includes a power module 15, the power module 15 is electrically connected to the driving device 11, a rechargeable battery is disposed in the power module 15, and can provide power for the driving device 11 under the working condition of no power.

Alternatively, the driving device 11 in this embodiment is a hydraulic cylinder, and may be other devices such as a linear motor.

Optionally, a protective cushion is further disposed on the grip 13 to increase the comfort of the grip 13.

Example two

In the present embodiment, a cable cutter is provided, which is further improved based on the first embodiment, and a damping device 14 is additionally installed in the cutter feeding mechanism 1, so as to reduce the vibration and noise generated during the cutting of the cable, and the damping device 14 is shown in fig. 3.

Specifically, send sword mechanism 1 still including damping device 14, damping device 14 is including connecting block 141, bearing block 142 and buffer 143, establish the cavity in the connecting block 141, the opening is down, handle 13 sets up in the both sides of connecting block 141, bearing block 142 fixed mounting is on drive arrangement 11, buffer 143 is located the cavity, one end is connected in connecting block 141, the other end is connected in bearing block 142, make bearing block 142 can slide from top to bottom in the cavity through warping, the vibrations that produce when having alleviateed the cutting cable of sending sword mechanism 1 have been lightened.

More specifically, buffer 143 includes telescopic link and spring, the one end fixed mounting of telescopic link is on connecting block 141, other end fixed mounting is on bearing block 142, the spring housing is established outside the telescopic link, can produce vibrations when sending sword mechanism 1 cutting cable, bearing block 142 atress is upwards slided in the cavity, telescopic link and spring receive the compression to support in bearing block 142, slow down vibrations between bearing block 142 and connecting block 141, prevent to strike between bearing block 142 and the connecting block 141 and produce the noise, the cable cutting finishes the back, telescopic link and spring push back bearing block 142 to initial position.

More specifically, the damping device 14 further includes a first magnet 144 and a second magnet 145, the first magnet 144 is fixedly installed in the connecting block 141, the second magnet 145 is fixedly installed on the bearing block 142, and the opposite surfaces of the first magnet 144 and the second magnet 145 have the same magnetism, so that the first magnet 144 and the second magnet 145 repel each other, and the vibration and noise between the bearing block 142 and the connecting block 141 are further reduced.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A cable cutter, comprising:

the cutter feeding mechanism (1) comprises a handle (13), a driving device (11) and a cutter (12), wherein the handle (13) is installed on the driving device (11), a working end is arranged on the driving device (11), the working end can move along the vertical direction, and the cutter (12) is installed on the working end;

support (2), drive arrangement (11) install in on support (2), support (2) include first support (21) and second support (22), be provided with first mounting groove on first support (21), be provided with the second mounting groove on second support (22), the one end of first support (21) with the one end of second support (22) is rotated and is connected, be provided with hasp (211) on the other end of first support (21), hasp (211) can with the other end of first support (21) with the other end closure of second support (22), make first mounting groove with the second mounting groove notch is relative, forms the working chamber, cutter (12) can reciprocate in the working chamber.

2. The cable cutter according to claim 1, characterized in that the cutter feeding mechanism (1) further comprises a damping device (14), the damping device (14) comprises a connecting block (141), a bearing block (142) and a buffering portion (143), a cavity is formed in the connecting block (141), the opening of the cavity faces downward, the handle (13) is arranged on two sides of the connecting block (141), the bearing block (142) is fixedly mounted on the driving device (11), the buffering portion (143) is located in the cavity, one end of the buffering portion is connected to the connecting block (141), the other end of the buffering portion is connected to the bearing block (142), and the bearing block (142) can slide up and down in the cavity through deformation.

3. The cable cutter according to claim 2, characterized in that the buffer part (143) comprises a telescopic rod and a spring, one end of the telescopic rod is fixedly mounted on the connecting block (141), the other end of the telescopic rod is fixedly mounted on the bearing block (142), and the spring is sleeved outside the telescopic rod.

4. The cable cutter according to claim 1, characterized in that the damping device (14) further comprises a first magnet (144) and a second magnet (145), the first magnet (144) being fixedly mounted in the connecting block (141), the second magnet (145) being fixedly mounted on the bearing block (142), the first magnet (144) and the second magnet (145) being mutually repulsive.

5. A cable cutter according to claim 1, characterized in that the holder (2) further comprises a support means (23), the driving means (11) and the first holder (21) being mounted on the top and bottom of the support means (23), respectively, the working end being movable up and down in the support means (23).

6. The cable cutter according to claim 5, further comprising a cutter feeding rod (121), wherein two ends of the cutter feeding rod (121) are respectively a connecting end and a fixed end, the connecting end is connected with the working end, the cutter (12) is fixedly mounted on the fixed end, a cutter retracting spring (122) is sleeved outside the cutter feeding rod (121), two ends of the cutter retracting spring (122) are respectively and fixedly connected to the fixed end and the bottom of the supporting device (23), and in an initial state, the cutter (12) is placed in the first bracket (21) and abuts against the bottom of the supporting device (23);

when the cutter is fed, the driving device (11) drives the working end to drive the cutter feeding rod (121) to move downwards, the cutter (12) is far away from the bottom of the supporting device (23), the cutter retracting spring (122) is stressed and stretched, and the cutter (12) extends into the working cavity; when the knife is retracted, the knife retracting spring (122) contracts to drive the knife feeding rod (121) to move upwards.

7. A cable cutter according to claim 1, characterized in that the catch (211) comprises a fastener and a paddle, the fastener is provided with a positioning groove, the other end of the first bracket (21) and the other end of the second bracket (22) are respectively provided with a first mounting hole and a second mounting hole, when the first bracket (21) is buckled on the second bracket (22), the fastener can pass through the first mounting hole and the second mounting hole, so that the first bracket (21) is fixedly arranged on the second bracket (22), the plectrum is rotationally connected with the other end of the first bracket (21), when the fastening piece is inserted into the first mounting hole and the second mounting hole, the poking piece can be clamped in the positioning groove to prevent the fastening piece from slipping out of the first mounting hole and the second mounting hole.

8. A cable cutter according to claim 1, characterized in that the cutter feeding mechanism (1) further comprises a power module (15), and the power module (15) is electrically connected to the driving device (11).

9. A cable cutter according to any one of claims 1-8, characterized in that the drive means (11) is a hydraulic cylinder.

10. A cable cutter according to any one of claims 1-8, characterized in that a protective cushion is also arranged on the grip (13).