CN111969504A - Cable breakpoint wiring device for electric power - Google Patents

Abstract

The invention discloses a power cable breakpoint wiring device, comprising a main body, a feeding mechanism is arranged in the middle of the upper surface of the main body, a telescopic rod is installed in the middle of the feeding mechanism, and a left surface of the clamping mechanism is provided There is a material receiving port, a second rack is arranged under the right side surface of the clamping mechanism, and the left side surface of the main body is centrally provided with a feeding port, and a collection box is installed under the main body. The holding mechanism and the cutting mechanism are arranged inside the main body. The setting of the main body facilitates the fixing between the clamping mechanism and the cutting mechanism, and through the setting of the cutting mechanism, it is convenient to avoid physical injury caused by manual operation errors of the master through mechanical operation. The arrangement of the clamping mechanism facilitates the fixing of the cable insulating layer, thereby facilitating the separation between the insulating layer and the electric wire.

Description

A power cable breakpoint wiring device

technical field

The invention relates to the technical field of cables, in particular to a power cable breakpoint wiring device.

Background technique

The cable is usually a rope-like cable that is stranded by several or several groups of wires (at least two in each group). Each group of wires is insulated from each other and often twisted around a center. insulating cover. Cables have the characteristics of internal energization and external insulation. According to the system of photovoltaic power plants, cables can be divided into DC cables and AC cables. Derivatives/new products of wires and cables are mainly due to different application occasions, application requirements, convenience of equipment and reduction of equipment costs. and other requirements, and the use of new materials, special materials, or changing product structure, or improving process requirements, or combining different varieties of products.

Now, when connecting the line at the breakpoint of the cable, the master usually uses scissors to slide the outer insulation layer of the cable sideways to expose the inner wire. Some cable insulation layers are thick and hard, and electricians often need to apply It takes a lot of force to peel off the cable sheath. This process is easy to cause injury to electricians, and it takes a lot of force to insert the F head between the cable insulation and the wire when installing the F head and the wire. Laborious, for this reason, we propose a power cable breakpoint wiring device.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies in the prior art and provide a power cable breakpoint wiring device.

The purpose of the present invention is to provide a power cable breakpoint wiring device, so as to solve the problem in the above-mentioned background technology that the general master uses scissors to slide the outer side of the insulating layer of the cable open to expose the inner wire, and the problem due to the material of the insulating layer is The master is usually more forceful when operating, and because the circular structure is not easy to fix, it is easy to slip and cause bodily injury, and when installing the F head and the wire, it is necessary to use a lot of force to insert the F head into the cable insulation layer and wire. In between, which is more labor-intensive and other issues.

In order to achieve the above purpose, the present invention provides the following technical solutions: a power cable breakpoint wiring device, comprising a main body, a feeding mechanism is arranged in the middle of the upper surface of the main body, and a telescopic rod is installed in the middle of the feeding mechanism, and the telescopic rod is retracted. The two side surfaces of the rod are symmetrically arranged with springs, the bottom of the spring is connected to the upper surface of the pulling plate, and the interior of the vertical lower body of the pulling plate is provided with a clamping mechanism, and the left side surface of the clamping mechanism is provided with a receiving mechanism. A U-shaped clamping block is installed under the inside of the clamping mechanism, a second rack is arranged under the right side surface of the clamping mechanism, and the tooth groove of the second rack is meshed with a driven gear, so A piston rod is installed on the outside of the surface of the driven gear, and a connecting pipe is arranged in the middle of the right end of the piston rod, one end of the connecting pipe is connected to the right side surface of the sleeve, and a support rod is arranged inside the sleeve. , and the inner left side of the casing and the outer side of the support rod are provided with a sealing ring, the left side of the main body is installed with a cutting mechanism, and the left surface of the main body is provided with a feeding port in the center, and a collection port is installed below the main body. box.

Preferably, the feeding mechanism and the surface of the main body are welded and fixedly connected, and the spring is arranged around the telescopic rod in a cross structure, and the two ends of the spring are respectively between the interior of the feeding mechanism and the surface of the pull plate. There is a fixed connection between them, and the pull plate forms a retractable structure through a spring and a feeding mechanism.

Preferably, the clamping mechanism includes a control motor, a first synchronizing gear, a first rack, a slider, a sector gear, a pin shaft and a guide rail, and a first synchronizing gear is connected to the output end of the control motor. A first rack is meshed with the teeth of a synchronizing gear, and the bottom of the first rack is connected with the surface of the slider. Sector gears are symmetrically arranged on both sides of the first rack, and the shaft holes of the sector gears A pin shaft is connected, the bottom of the pin shaft is arranged inside the guide rail, and the upper part of the pin shaft and the middle part of the sector gear are connected with a splint.

Preferably, an integrated mechanism is formed between the first rack and the slider, the top of the slider is in a T-shaped structure, the width of the front end of the slider protruding from the support block is consistent with the width of the splint, and the pin The bottom of the shaft is arranged in a square structure with the inside of the guide rail for a snap-fit and movable connection, and the clamp plate forms a clampable movable structure between the first rack and the control motor.

Preferably, the clamping mechanism is a snap-fit connection between the inside of the main body, and the two sides of the bottom of the main body are provided with clamping holes that match the convex points at both ends of the U-shaped clamping block, and the driven gear passes through the clamping The holding mechanism drives the second rack to move to form a rotatable structure.

Preferably, one end of the inner push rod of the piston rod and the surface of the driven gear are movably connected, and the two ends of the connecting pipe are tightly closed with the surface of the piston rod and the sleeve, and the support rod It is movably connected with the casing, and the support rod forms a retractable structure through the casing, the connecting pipe and the piston rod.

Preferably, the cutting mechanism includes a first motor, a second synchronizing gear, a driven rack, a cutter, a telescopic ring, an internal rack, a third synchronizing gear, a second motor and a limit block, and the first motor The output shaft is connected with a second synchronizing gear, the tooth slot of the second synchronizing gear is meshed with a driven rack, and one side of the driven rack is connected with the surface of the cutter, and the gap between the cutter is A telescopic ring is arranged between the telescopic rings, and an inner rack is connected to the outer and inner side of the telescopic ring. The tooth slot of the inner rack is meshed with a third synchronizing gear, and the shaft hole of the third synchronizing gear is connected to the output end of the second motor. On the upper part of the third synchronizing gear, a limit block is arranged.

Preferably, the cutter is arranged on the upper and lower sides of the main body in an up-down structure, and an arc-shaped chute is arranged on the outer side of the telescopic ring, and the inner rack and the inner side of the telescopic ring are in an integrated structure, and the telescopic ring is in an integrated structure. The ring forms a retractable structure between the inner rack and the third synchronizing gear and the second motor, and the cutter forms a retractable rotating structure between the telescopic ring and the first motor.

Preferably, the shape of the collection box is a handle structure, and the upper part of the collection box and the bottom of the main body are connected by threaded engagement, and a detachable mechanism is formed between the collection box and the main body through screw rotation.

Compared with the prior art, the beneficial effects of the present invention are:

1. In the present invention, by arranging the clamping mechanism and the cutting mechanism inside the main body, it is convenient to fix the clamping mechanism and the cutting mechanism through the setting of the main body, and the setting of the cutting mechanism is convenient to avoid the manual operation of the master through mechanical operation. Mishandling causes bodily injury, and at the same time, through the setting of the clamping mechanism, it is convenient to fix the insulating layer of the cable, so as to facilitate the separation between the insulating layer and the electric wire.

2. In the present invention, by arranging the spring and the telescopic rod inside the feeding mechanism, the setting of the feeding mechanism facilitates the protection of the spring and the telescopic rod, and prevents the spring from popping out to the human body through its own tension after displacement. It can cause damage, and through the arrangement of the spring and the telescopic rod, it is convenient to play a fixed role on the pull plate, so as to avoid the uneven force of the pull plate and the inability to press the F head in a tilted state, which is conducive to pressing the F head to the main body. internal.

3. In the present invention, the splint is arranged between the sector gear and the pin shaft, and the setting of the sector gear and the pin shaft facilitates fixing one end of the splint, and at the same time, by controlling the setting of the motor and the first rack, it is convenient to drive the sector gear. Rotation, so that the splint can clamp the surface of the cable, and at the same time, through the setting of the T-shaped structure at the front end of the slider, it is convenient to drive the pin shaft to move synchronously when moving, so that the splint can move the cut insulation side to the inside of the clamping mechanism. into the inside of the collection box.

4. In the present invention, the support rod and the sleeve are arranged on the right side of the clamping mechanism, and the support rod and the sleeve are arranged on the same horizontal line as the clamping mechanism. The arrangement of the piston rod and the connecting pipe facilitates the movement of the support rod due to the pressure and suction generated during the pulling operation of the piston rod, thereby facilitating the insertion of the F head between the insulating layer and the electric wire.

5. In the present invention, by arranging the cutter and the telescopic ring inside the cutting mechanism, the setting of the cutter facilitates the rotary cutting of the insulating layer by the first motor and the second synchronizing gear, and the setting of the telescopic ring facilitates the passage of the insulating layer. The arrangement of the inner rack and the third synchronizing gear facilitates the inward contraction of the cutter, thereby facilitating the cutting of the insulating layer.

Description of drawings

1 is a schematic diagram of the internal structure of a main body of a power cable breakpoint wiring device according to the present invention;

FIG. 2 is a schematic three-dimensional structure diagram of a clamping mechanism of a power cable breakpoint wiring device according to the present invention;

3 is a schematic diagram of the internal structure of a clamping mechanism of a power cable breakpoint wiring device according to the present invention;

4 is a schematic structural diagram of a cutter and a telescopic ring of a power cable breakpoint wiring device according to the present invention;

5 is a schematic diagram of the internal structure of a telescopic ring of a power cable breakpoint wiring device according to the present invention;

6 is a schematic diagram of the structure of the U-shaped clamping block inside the handle of the main body of a power cable breakpoint wiring device according to the present invention.

In the figure: 1. Main body; 2. Feeding mechanism; 3. Telescopic rod; 4. Spring; 5. Pull plate; 6. Clamping mechanism; 601, Control motor; 602, First synchronizing gear; 603, First tooth bar; 604, slider; 605, sector gear; 606, pin; 607, guide rail; 608, splint; 7, receiving port; 8, U-shaped block; 9, second rack; 10, driven gear ; 11, piston rod; 12, connecting pipe; 13, casing; 14, strut; 15, sealing ring; 16, cutting mechanism; 1601, first motor; 1602, second synchronizing gear; 1603, driven rack ; 1604, cutter; 1605, telescopic ring; 1606, internal rack; 1607, the third synchronizing gear; 1608, the second motor; 1609, limit block;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-6, the present invention provides a technical solution: a power cable breakpoint wiring device, comprising a main body 1, a feeding mechanism 2 is provided in the middle of the upper surface of the main body 1, and the interior of the feeding mechanism 2 is centered The telescopic rod 3 is installed, and the two sides of the telescopic rod 3 are symmetrically provided with springs 4, the bottom of the spring 4 is connected to the upper surface of the pull plate 5, the feeding mechanism 2 and the surface of the main body 1 are welded and fixedly connected, and The spring 4 is arranged around the telescopic rod 3 in a cross structure. The two ends of the spring 4 are fixedly connected between the inside of the feeding mechanism 2 and the surface of the pull plate 5, and the pull plate 5 passes through the spring 4 and the feeding mechanism 2. A retractable structure is formed, and the function of this setting is to set the spring and 4 telescopic rods 3 inside the feeding mechanism 2, and through the setting of the feeding mechanism 2, it is convenient to protect the spring 4 and the telescopic rod 3, avoiding After the spring 4 is displaced, it pops out through its own tension to cause harm to the human body, and through the arrangement of the spring 4 and the telescopic rod 3, it is convenient to play a fixed role on the pull plate 5, so as to avoid the uneven force of the pull plate 5 causing the inclined state The F head cannot be pressed, so it is beneficial to press the F head to the inside of the main body 1. At the same time, the F head is horizontally and laterally arranged inside the feeding mechanism 2, and the two sides of the surface are consistent with the inner wall of the feeding mechanism 2. , so as to fix the position of the F head;

Moreover, a clamping mechanism 6 is arranged inside the main body 1 vertically below the pull plate 5 , and a first synchronizing gear 602 is connected to the output end of the control motor 601 , and a first rack 603 is meshed with the teeth of the first synchronizing gear 602 . , and the lower part of the first rack 603 is connected with the surface of the slider 604, the two sides of the first rack 603 are symmetrically provided with a sector gear 605, and the shaft hole of the sector gear 605 is connected with a pin shaft 606, the pin shaft 606 The bottom is set inside the guide rail 607, and a splint 608 is connected above the pin shaft 606 and the middle of the sector gear 605, the first rack 603 and the slider 604 are integrated mechanisms, and the top of the slider 604 is T-shaped Structure, the width of the front end of the slider 604 protruding from the support block is consistent with the width of the splint 608, and the bottom of the pin 606 is arranged in a square structure with the interior of the guide rail 607 for a snap-fit connection. The splint 608 passes through the first rack 603 and A clampable movable structure is formed between the control motors 601. The function of this setting is to arrange the splint 608 between the sector gear 605 and the pin shaft 606. At the same time, by controlling the setting of the motor 601 and the first rack 603, it is convenient to drive the sector gear 605 to rotate, so that the splint 608 can clamp the surface of the cable. At the same time, the pin shaft 606 is driven to move synchronously, so that the clamping plate 608 can move the cut insulation side to the inside of the clamping mechanism 6 and fall into the inside of the collection box 18;

The left side surface of the clamping mechanism 6 is provided with a material receiving port 7, and a U-shaped block 8 is installed under the interior of the clamping mechanism 6, and a second rack 9 is provided under the right side surface of the clamping mechanism 6 for clamping. The mechanism 6 is connected with the inside of the main body 1 in a snap-fit and active manner, and the two sides of the bottom of the main body 1 are provided with clamping holes that match the convex points at both ends of the U-shaped block 8 , and the driven gear 10 is driven by the clamping mechanism 6 . The second rack 9 moves to form a rotatable structure. The function of this setting is to move downward by the pressure generated by the falling of the F head through the clamping mechanism 6. When the positions of the U-shaped clamping block 8 and the outer clamping hole of the main body 1 are consistent, the clamping mechanism 6 will be clamped. After fixing, the top surface of the clamping mechanism 6 and the bottom of the support rod 14 are on the same horizontal line, so that the F head on the surface of the clamping mechanism 6 is horizontally aligned with the support rod, and the driven gear 10 passes through the second The synchronous lowering of the rack 9 starts to rotate, thus driving the piston rod 11 to perform telescopic operation through the pressure change;

In addition, a driven gear 10 is connected to the tooth groove of the second rack 9, a piston rod 11 is installed on the outside of the surface of the driven gear 10, and a connecting pipe 12 is provided in the middle of the right end of the piston rod 11. One end is connected to the right side surface of the sleeve 13, and the inside of the sleeve 13 is provided with a support rod 14, one end of the inner push rod of the piston rod 11 and the surface of the driven gear 10 are movably connected, and the connecting pipe 12 The two ends are tightly closed and connected with the surface of the piston rod 11 and the sleeve 13, the support rod 14 and the sleeve 13 are movably connected, and the support rod 14 passes between the sleeve 13 and the connecting pipe 12 and the piston rod 11. A retractable structure is formed, and the function of this setting is to arrange the support rod 14 and the sleeve 13 on the right side of the clamping mechanism 6, and by placing the support rod 14 and the sleeve 13 on the same horizontal line as the clamping mechanism 6, it is convenient to When the F head enters the interior of the main body 1, it is pushed, and at the same time, through the arrangement of the piston rod 11 and the connecting pipe 12, it is convenient for the pressure and suction generated when the piston rod 11 is pulled to move the support rod 14, so as to facilitate the removal of the F head stuffed between the insulating layer and the wire;

The inner left side of the sleeve 13 and the outer side of the support rod 14 are provided with a sealing ring 15, the left side of the main body 1 is installed with a cutting mechanism 16, and the output shaft of the first motor 1601 is connected with a second synchronizing gear 1602, the second A driven rack 1603 is meshed with the teeth of the synchronizing gear 1602, and one side of the driven rack 1603 is connected with the surface of the cutter 1604. A telescopic ring 1605 is arranged between the gaps of the cutter 1604, and the telescopic ring 1605 An inner rack 1606 is connected to the outer side and inner side of the inner rack 1606, a third synchronizing gear 1607 is meshed with the teeth of the inner rack 1606, and the shaft hole of the third synchronizing gear 1607 is connected to the output end of the second motor 1608. The third synchronizing gear A limit block 1609 is arranged above the 1607, the cutter 1604 is arranged on the upper and lower sides of the main body 1 in an up-down structure, and an arc-shaped chute is arranged on the outer side of the telescopic ring 1605, between the inner rack 1606 and the inner side of the telescopic ring 1605 It is an integrated structure, and the telescopic ring 1605 forms a retractable structure through the internal rack 1606, the third synchronizing gear 1607 and the second motor 1608, and the cutter 1604 forms a retractable rotation between the telescopic ring 1605 and the first motor 1601. structure, the function of this setting is to set the cutter 1604 and the telescopic ring 1605 inside the cutting mechanism 16, and through the arrangement of the cutter 1604, it is convenient to rotate the insulating layer by the first motor 1601 and the second synchronizing gear 1602. And through the setting of the telescopic ring 1605, it is convenient to pass the setting of the inner rack 1606 and the third synchronizing gear 1607, so that the cutter 1604 can be contracted inwardly, so as to facilitate the cutting of the insulating layer;

And the left side surface of the main body 1 is provided with a feeding port 17 in the center, and a collection box 18 is installed below the main body 1. The shape of the collection box 18 is a handle structure, and the upper part of the collection box 18 and the bottom of the main body 1 are screwed. , the collection box 18 and the main body 1 form a detachable mechanism through the rotation of the thread. The function of this setting is to facilitate the collection of the discarded insulating layer through the setting of the collection box 18, so as to avoid throwing it in the ground during construction and causing damage to the ring. influences.

Working principle: For this type of wiring device with power cable breakpoints, first plug the cable into the interior of the main body 1 from the feed port 17 on the left, and set it on the splint 608 on both sides when it contacts the surface of the clamping mechanism 6 At the same time, the first rack 603 is driven by the control motor 601 to make the sector gear 605 start to rotate, so that the splint 608 starts to shrink inward to clamp the cable, and then the cutting mechanism 16 drives the second synchronizing gear 1602 to rotate through the first motor 1601. , so that the cutter 1604 integrated with the driven rack 1603 starts to move synchronously, and at the same time, the second motor 1608 arranged inside the telescopic ring 1605 starts to operate, so that the third synchronizing gear 1607 meshes with the inner rack 1606 to move, thereby The cutter 1604 starts to shrink inwards to cut the insulating layer. After cutting, the slider 604 in the clamping mechanism 6 starts to move successively as required, which drives the splint 608 to move along the guide rail 607 synchronously, so that the cut insulating layer is moved from The material receiving port 7 enters the inside of the clamping mechanism 6 and falls into the collection box 18, then pulls the pull plate 5 upwards, and inserts the F head into the inside of the feeding mechanism 2, at this time, release the pull plate 5 and pass the The setting of the spring 4 and the telescopic rod 3 of the feeding mechanism 2 presses the F head to the inside of the main body 1. At this time, the clamping mechanism 6 starts to move downward through the pressure of the F head. When the bottom of the clamping mechanism 6 is set with a U-shaped When the clamping block 8 is engaged with the clamping hole on the outer side of the main body 1, the clamping mechanism 6 stops working, so that the F head and the support rod 14 are on the same horizontal line, and the second rack 9 follows the clamping mechanism 6 and descends synchronously. At the same time, the driven gear 10 is driven to rotate synchronously, so that the piston rod 11 arranged on the driven gear 10 starts to pull and pull, and the generated pressure is transmitted to the inside of the sleeve 13 through the connecting pipe 12, so that the support rod 14 begins to move toward Before operation, insert the F head between the insulating layer and the wire, and install the F head on both ends of the cable in the same way. The use process of the power cable breakpoint wiring device.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. A power cable breakpoint wiring device, comprising a main body (1), characterized in that: a feeding mechanism (2) is provided in the middle of the upper surface of the main body (1), and the interior of the feeding mechanism (2) is centrally installed There is a telescopic rod (3), and the two side surfaces of the telescopic rod (3) are symmetrically provided with springs (4), the bottom of the spring (4) is connected to the upper surface of the pull plate (5), and the pull plate (5) The vertical lower body (1) is provided with a clamping mechanism (6), the left surface of the clamping mechanism (6) is provided with a material receiving port (7), and the inner part of the clamping mechanism (6) is installed below There is a U-shaped clamping block (8), a second rack (9) is arranged below the right side surface of the clamping mechanism (6), and a driven gear ( 10), a piston rod (11) is installed on the outside of the surface of the driven gear (10), and a connecting pipe (12) is provided in the middle of the right end of the piston rod (11). One end is connected to the right side surface of the sleeve (13), and the inside of the sleeve (13) is provided with a support rod (14), and the inner left side of the sleeve (13) and the outer side of the support rod (14) are provided with a seal A ring (15), a cutting mechanism (16) is installed on the left side of the main body (1), and a feeding port (17) is centrally provided on the left surface of the main body (1), and the lower part of the main body (1) is installed There is a collection box (18). 2. A power cable breakpoint wiring device according to claim 1, characterized in that: the feeding mechanism (2) and the surface of the main body (1) are fixedly connected by welding, and the spring (4) The two ends of the spring (4) are respectively fixedly connected between the inside of the feeding mechanism (2) and the surface of the pull plate (5), and the pull plate ( 5) A retractable structure is formed by the spring (4) and the feeding mechanism (2). 3. A power cable breakpoint wiring device according to claim 1, characterized in that: the clamping mechanism (6) comprises a control motor (601), a first synchronizing gear (602), a first rack (603), the slider (604), the sector gear (605), the pin (606) and the guide rail (607), and a first synchronizing gear (602) is connected to the output end of the control motor (601). A first rack (603) is meshed with the teeth of a synchronizing gear (602), and the lower part of the first rack (603) is connected with the surface of the slider (604). The first rack (603) Sector gears (605) are arranged symmetrically on both sides of the fan gear (605), and a pin shaft (606) is connected to the shaft hole of the sector gear (605). The upper part of (606) and the middle part of the sector gear (605) are connected with a splint (608). 4. A power cable breakpoint wiring device according to claim 3, characterized in that: an integrated mechanism is formed between the first rack (603) and the slider (604), and the slider (604) is an integrated mechanism. ) has a T-shaped structure, the width of the front end of the slider (604) protruding from the support block is consistent with the width of the splint (608), and the bottom of the pin (606) is set to be square with the inside of the guide rail (607) The structure is a snap-fit movable connection, and the clamp plate (608) forms a clampable movable structure between the first rack (603) and the control motor (601). 5. A power cable breakpoint wiring device according to claim 1, characterized in that: the clamping mechanism (6) is in a snap-fit connection between the inside of the main body (1), and the main body (1) The two sides of the bottom of the ) are provided with clamping holes that match the convex points at both ends of the U-shaped clamping block (8). The driven gear (10) drives the second rack (9) to move through the clamping mechanism (6). Rotatable structure. 6. A power cable breakpoint wiring device according to claim 1, characterized in that: there is a movable connection between one end of the inner push rod of the piston rod (11) and the surface of the driven gear (10) , and the two ends of the connecting pipe (12) and the surface of the piston rod (11) and the sleeve (13) are tightly closed and connected, and the support rod (14) and the sleeve (13) are active connections, And the support rod (14) forms a retractable structure through the sleeve (13), the connecting pipe (12) and the piston rod (11). 7. A power cable breakpoint wiring device according to claim 1, wherein the cutting mechanism (16) comprises a first motor (1601), a second synchronizing gear (1602), a driven rack (1603), cutter (1604), telescopic ring (1605), internal rack (1606), third synchronizing gear (1607), second motor (1608) and limit block (1609), and the first motor ( The output shaft of 1601) is connected with a second synchronizing gear (1602), the cogging of the second synchronizing gear (1602) is connected with a driven rack (1603), and one side of the driven rack (1603) Connected with the surface of the cutter (1604), a telescopic ring (1605) is arranged between the gaps of the cutter (1604), and an inner rack (1606) is connected to the outer and inner side of the telescopic ring (1605). A third synchronizing gear (1607) is meshed with the teeth of the internal rack (1606), and the shaft hole of the third synchronizing gear (1607) is connected to the output end of the second motor (1608). The third synchronizing gear A limiter block (1609) is set above (1607). 8. A power cable breakpoint wiring device according to claim 7, characterized in that: the cutter (1604) is arranged on the upper and lower sides of the interior of the main body (1) in an up-down structure, and the expansion ring (1605) ) is provided with an arc-shaped chute on the outside, the inner rack (1606) and the inner side of the telescopic ring (1605) are in an integrated structure, and the telescopic ring (1605) passes through the inner rack (1606) and the third synchronizing ring (1605). A retractable structure is formed between the gear (1607) and the second motor (1608), and a retractable rotating structure is formed between the cutter (1604) through the telescopic ring (1605) and the first motor (1601). 9. A power cable breakpoint wiring device according to claim 1, characterized in that: the collection box (18) is in the shape of a handle, and the top of the collection box (18) and the bottom of the main body (1) There is a threaded engagement connection therebetween, and a detachable mechanism is formed between the collection box (18) and the main body (1) through threaded rotation.

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