CN113345654A

CN113345654A - Cable system

Info

Publication number: CN113345654A
Application number: CN202110535337.2A
Authority: CN
Inventors: 熊婷
Original assignee: Individual
Current assignee: Shanxi Jinshi Electric Power Development Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-09-03
Anticipated expiration: 2041-05-17
Also published as: CN113345654B

Abstract

The invention discloses a cable system, which comprises a base, wherein a first rotating groove with an upward opening is arranged in the base, a rotating disc is rotationally connected in the first rotating groove, a second rotating groove with a downward opening is arranged in the rotating disc, and a first rotating shaft extending into the second rotating groove is fixedly arranged on the bottom wall of the first rotating groove; different from the conventional cable skin stripping device, the cable skin stripping device firstly winds the cable outside the first moving block to enable the cable to be in a spiral shape integrally, and then the two cutting wheels are used for cutting and separating the cable skin, so that the problem that the conventional cable skin stripping machine is broken in the working process can be solved. And the first moving block is arranged to move up and down, and moves upwards in sequence along with the precession of the cable to support the cable, so that the cable is ensured to be kept in a spiral shape, manual winding is not needed, the precession work of the cable is automatically completed, and the working speed is improved.

Description

Cable system

Technical Field

The invention relates to the technical field of cables, in particular to a cable system.

Background

Typically a rope-like cable made up of several or groups of conductors twisted about each other, with each group insulated from the other and often twisted about a center, with a highly insulating coating covering the entire outside. The cable has the characteristics of internal electrification and external insulation.

The outer skin of the cable needs to be stripped when the cable is recovered, the existing process for the glass cable skin simultaneously rotates two cable take-up drums, and glass is carried out on the outer skin by using a cutter in the rotating process, the process can enable the cable to be continuously stripped, but in the stripping working process, the cable is pulled by the actively rotating take-up drums, so that the cable has the hidden danger of breakage, and once the cable is broken in work, the cable needs to be installed again, and the work is influenced.

Disclosure of Invention

It is an object of the present invention to provide a cable system for overcoming the above-mentioned drawbacks of the prior art.

The cable system comprises a base, wherein a first rotating groove with an upward opening is formed in the base, a rotating disc is rotationally connected in the first rotating groove, a second rotating groove with a downward opening is formed in the rotating disc, a first rotating shaft extending into the second rotating groove is fixedly arranged on the bottom wall of the first rotating groove, a face gear is fixedly arranged at the top end of the first rotating shaft, four groups of fixing devices are arranged in the inner ring of the rotating disc, each fixing device comprises a plurality of first moving grooves which are arranged in the rotating disc at equal intervals and have upward openings, a first moving block is connected in the first moving groove in a sliding mode, two limiting grooves are formed in the first moving block, the bottom surface of the first moving block is fixedly connected with the bottom wall of the first moving groove through a first spring, and limiting devices capable of fixing the first moving block to prevent the first moving block from moving are respectively arranged in the left wall and the right wall of the first moving groove, the fixing device also comprises a second moving groove arranged below the first moving groove, a threaded shaft is rotatably connected to the side wall of the second moving groove far away from the second moving groove, a second moving block is connected to the threaded shaft in a threaded manner, a first slide way is communicated and arranged in the bottom wall of the second moving groove, a first slide block fixedly connected with the second moving block is connected in the first slide way in a sliding manner, four second rotating shafts are rotatably connected to the side wall of the second moving groove, a first gear meshed with the end face gear is rotatably connected to the tail end of each second rotating shaft, the second rotating shafts and the threaded shafts are connected through a speed regulator, the fixing device also comprises a communicating device, the second moving block can drive the limiting device to limit the first moving block through the communicating device, and a top cover is fixedly connected to the upper portion of the base through support rods which are symmetrical in left and right positions, be equipped with the recess that the opening is decurrent in the top cap, install first motor in the recess roof, first motor bottom surface install with rolling disc fixed connection's main shaft, install on the main shaft and to have the clamping device that can fix the cable, the recess roof is fitted with a contraceptive ring and is equipped with four telescopic links, the telescopic link bottom set firmly with the main shaft rotates the cover dish of connecting, be equipped with the cutting device that can cut the cable in the cover dish.

Optionally, the limiting device includes a first sliding groove communicated with the first sliding groove side wall, a limiting block is slidably connected in the first sliding groove, and an inner side surface of the limiting block is fixedly connected with the first sliding groove side wall through a second spring

Optionally, the communicating device includes a rotating cavity communicated with the top wall of the second moving groove, a third rotating shaft is rotatably connected between side walls of the rotating cavity, a second gear is fixedly arranged on the third rotating shaft, the second gear is engaged with the second moving block, a first belt wheel is fixedly arranged on the third rotating shaft, a fourth rotating shaft is rotatably connected above the third rotating shaft, a second belt wheel is fixedly arranged on the third rotating shaft, the second belt wheel and the first belt wheel are driven by a belt, a third gear is fixedly arranged on the fourth rotating shaft, two connecting rods are slidably connected in the side wall of the rotating cavity close to the first moving groove, a rack plate engaged with the third gear is fixedly arranged on the side face of each connecting rod close to the third gear, and the connecting rods are fixedly connected with the limiting block.

Optionally, clamping device including set firmly in epaxial fixed block, the fixed slot that runs through about being equipped with in the fixed block, the intercommunication is equipped with the second sliding tray in the fixed slot roof, install the second motor in the second sliding tray roof, the second motor bottom surface is installed and is extended to the screwed pipe in the second sliding tray, screwed pipe female connection has the threaded rod, the threaded rod bottom set firmly with second sliding tray sliding connection's first pressing block.

Optionally, the cutting device comprises a spiral groove which is arranged in the covering disc and has a downward opening, an installation block is fixedly arranged on the top wall of the spiral groove, a connection block is slidably connected in the installation block, the top surface of the connection block is fixedly connected with the top wall of the spiral groove through a third spring, a second pressing block is fixedly arranged at the bottom end of the connection block, electric slide rails which are symmetrical in position are arranged in the left side wall and the right side wall of the spiral groove, an operation block is arranged on the electric slide rails, a third moving groove which has an opening facing the spiral groove is arranged in the third moving groove, a working block is slidably connected in the third moving groove, a second slide rail which is symmetrical in position is communicated in the upper wall and the lower wall of the third moving groove, a second slide block which is fixedly connected with the working block is slidably connected in the second slide rail, and the second slide rail is fixedly connected with the side wall of the second slide rail through a fourth spring, the novel cutting machine is characterized in that an electromagnet is installed in the side wall of the second slide way, a first cutting wheel is installed in the working block, an auxiliary block which is symmetrical to the first cutting wheel in position is fixedly arranged on the side face of the working block, and a fixing groove is formed in the auxiliary block.

Optionally, the cutting device further includes an open slot disposed in the first moving block, and a second cutting wheel is mounted in the open slot.

Optionally, the base top surface on the left side of the rolling disc is fixedly provided with a separation block, a through groove penetrating from left to right is formed in the separation block, the front side wall and the rear side wall of the through groove are fixedly provided with special-shaped blocks, and the base top surface on the right side of the separation block is fixedly provided with a guide block.

Optionally, the first moving blocks of the four fixing devices are integrally distributed in a spiral outward arrangement, the mounting blocks in the spiral grooves correspond to the first moving blocks in position one by one, and the second pressing blocks are outward in position relative to the first moving blocks.

The invention has the beneficial effects that:

different from the conventional cable skin stripping device, the cable skin stripping device firstly winds the cable outside the first moving block to enable the cable to be in a spiral shape integrally, and then the two cutting wheels are used for cutting and separating the cable skin, so that the problem that the conventional cable skin stripping machine is broken in the working process can be solved. And the first moving block is arranged to move up and down, and moves upwards in sequence along with the precession of the cable to support the cable, so that the cable is ensured to be kept in a spiral shape, manual winding is not needed, the precession work of the cable is automatically completed, and the working speed is improved.

Drawings

The technical solution 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; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

FIG. 1 is a schematic structural view of a cable system of the present invention;

FIG. 2 is a schematic view of the structure at C-C in FIG. 1;

FIG. 3 is a schematic view of the structure at B-B in FIG. 1;

FIG. 4 is a schematic view of the fixture of FIG. 1;

FIG. 5 is a schematic view of the structure at A-A in FIG. 4;

FIG. 6 is a schematic view of the structure of FIG. 1 at the separation block;

FIG. 7 is a schematic view of the cutting apparatus of FIG. 1;

fig. 8 is a schematic diagram of the structure at the operation block in fig. 7.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 8, a cable system according to an embodiment of the present invention includes a base 81, a first rotating groove 21 with an upward opening is formed in the base 81, a rotating disc 22 is rotatably connected in the first rotating groove 21, a second rotating groove 35 with a downward opening is formed in the rotating disc 22, a first rotating shaft 34 extending into the second rotating groove 35 is fixedly arranged on a bottom wall of the first rotating groove 21, a face gear 36 is fixedly arranged at a top end of the first rotating shaft 34, four sets of fixing devices 101 are annularly arranged in the rotating disc 22, each fixing device 101 includes a plurality of first moving grooves 41 with an upward opening and equidistantly arranged in the rotating disc 22, a first moving block 45 is slidably connected in the first moving grooves 41, two limiting grooves 47 are formed in the first moving block 45, a bottom surface of the first moving block 45 is fixedly connected to a bottom wall of the first moving groove 41 through a first spring 42, the left wall and the right wall of the first moving groove 41 are respectively provided with a limiting device 102 capable of fixing and preventing the first moving block 45 from moving, the fixing device 101 further comprises a second moving groove 30 arranged below the first moving groove 41, the side wall of the second moving groove 30 far away from the second moving groove 35 is rotatably connected with a threaded shaft 32, the threaded shaft 32 is connected with a second moving block 27 in a threaded manner, the bottom wall of the second moving groove 30 is communicated with a first slideway 31, the first slideway 31 is internally connected with a first sliding block 26 fixedly connected with the second moving block 27 in a sliding manner, the side wall of the second moving groove 35 is rotatably connected with four second rotating shafts 29, the tail end of each second rotating shaft 29 is rotatably connected with a first gear 33 meshed with the face gear 36, and the second rotating shafts 29 are connected with the threaded shaft 32 through a speed regulator 28, the fixing device 101 further includes a communicating device 103, the second moving block 27 can drive the limiting device 102 to limit the first moving block 45 through the communicating device 103, a top cover 11 is fixedly connected to the upper side of the base 81 through support rods 20 which are symmetrical in left and right positions, a groove 14 with a downward opening is formed in the top cover 11, a first motor 15 is installed in the top wall of the groove 14, a main shaft 13 fixedly connected with the rotating disc 22 is installed on the bottom surface of the first motor 15, a clamping device 104 capable of fixing a cable is installed on the main shaft 13, four telescopic rods 12 are arranged on the top wall of the groove 14 in a surrounding mode, a cover disc 17 rotatably connected with the main shaft 13 is fixedly arranged at the bottom end of each telescopic rod 12, and a cutting device 105 capable of cutting the cable is arranged in the cover disc 17.

Preferably, the limiting device 102 includes a first sliding groove 38 disposed in a side wall of the first moving groove 41 in a communicating manner, a limiting block 40 is slidably connected in the first sliding groove 38, an inner side surface of the limiting block 40 is fixedly connected with a side wall of the first sliding groove 38 through a second spring 39, the first moving block 45 presses the limiting block 40 and compresses the second spring 39 after moving downward, and when the first moving block 45 moves to a position where the limiting groove 47 corresponds to the first sliding groove 38, the limiting block 40 moves into the limiting groove 47 under the action of the second spring 39 to limit the movement of the first moving block 45.

Preferably, the communicating device 103 includes a rotating cavity 59 disposed in the top wall of the second moving groove 30 in a communicating manner, a third rotating shaft 56 is rotatably connected between the side walls of the rotating cavity 59, a second gear 37 is fixedly disposed on the third rotating shaft 56, the second gear 37 is engaged with the second moving block 27, a first pulley 57 is fixedly disposed on the third rotating shaft 56, a fourth rotating shaft 60 is rotatably connected above the third rotating shaft 56, a second pulley 61 is fixedly disposed on the third rotating shaft, the second pulley 61 and the first pulley 57 are driven by a belt 58, a third gear 62 is fixedly disposed on the fourth rotating shaft 60, two connecting rods 55 are slidably connected to the side wall of the rotating cavity 59 close to the first moving groove 41, and a rack plate 63 engaged with the third gear 62 is fixedly disposed on the side surface of the connecting rod 55 close to the third gear 62, the connecting rod 55 is fixedly connected with the limiting block 40, the second moving block 27 can drive the second gear 37 to rotate after moving, the second gear 37 drives the first belt pulley 57 to rotate through the third rotating shaft 56, the first belt pulley 57 drives the second belt pulley 61 to rotate through the belt 58, the second belt pulley 61 drives the third gear 62 to rotate through the fourth rotating shaft 60, the third gear 62 drives the connecting rod 55 to move through the rack plate 63, and the connecting rod 55 drives the limiting block 40 to move.

Preferably, the clamping device 104 includes a fixing block 88 fixedly disposed on the main shaft 13, a fixing groove 49 penetrating left and right is disposed in the fixing block 88, a second sliding groove 51 is disposed in a top wall of the fixing groove 49 in a communicating manner, a second motor 53 is disposed in a top wall of the second sliding groove 51, a threaded pipe 54 extending into the second sliding groove 51 is disposed on a bottom surface of the second motor 53, a threaded rod 52 is connected to the threaded pipe 54 in a threaded manner, a first pressing block 50 slidably connected to the second sliding groove 51 is fixedly disposed at a bottom end of the threaded rod 52, the threaded pipe 54 is driven to rotate after the second motor 53 is started, the threaded rod 52 can move up and down along with rotation of the threaded pipe 54, and the threaded rod 52 drives the first pressing block 50 to move up and down and then fix the cable between the first pressing block 50 and the bottom wall of the fixing groove 49.

Preferably, the cutting device 105 includes a spiral groove 23 which is arranged in the covering disc 17 and has a downward opening, the top wall of the spiral groove 23 is fixedly provided with a mounting block 66, the mounting block 66 is connected with a connecting block 68 in a sliding manner, the top surface of the connecting block 68 is fixedly connected with the top wall of the spiral groove 23 through a third spring 67, the bottom end of the connecting block 68 is fixedly provided with a second pressing block 69, the left and right side walls of the spiral groove 23 are internally provided with electric slide rails 70 with symmetrical positions, the electric slide rails 70 are provided with operating blocks 71, the third moving groove 72 with an opening facing the spiral groove 23 is arranged in the electric slide rails 70, the third moving groove 72 is connected with a working block 79 in a sliding manner, the upper and lower walls of the third moving groove 72 are communicated with second slide ways 77 with symmetrical positions, and the second slide ways 77 are connected with second slide blocks 75 fixedly connected with the working blocks 79 in a sliding manner, second slider 75 with through fourth spring 74 fixed connection between the 77 lateral wall of second slide, install electro-magnet 73 in the 77 lateral wall of second slide, install a cutting wheel 78 in the work piece 79, work piece 79 side set firmly about an auxiliary block 80 of cutting wheel 78 symmetry, be equipped with fixed slot 76 in the auxiliary block 80, fixed slot 76 can be with cable position restriction in a cutting wheel 78 department for a cutting wheel 78 can cut the sheath of cable, and second slider 75 hugs closely under the effect of fourth spring 74 at the cable surface, can attract second slider 75 to remove after electro-magnet 73 starts, makes a cutting wheel 78 break away from with the cable.

Preferably, the cutting device 105 further comprises an open groove 43 disposed in the first moving block 45, and a second cutting wheel 44 is mounted in the open groove 43.

Preferably, a separation block 18 is fixedly arranged on the top surface of the base 81 on the left side of the rotating disc 22, a through groove 64 penetrating left and right is arranged in the separation block 18, special-shaped blocks 65 are fixedly arranged on the front and rear side walls of the through groove 64, a guide block 19 is fixedly arranged on the top surface of the base 81 on the right side of the separation block 18, the moving direction of a cable can be controlled through the guide block 19, and the cut cable sheath can be separated when the cable moves in the through groove 64.

Preferably, the first moving blocks 45 of the four sets of fixing devices 101 are arranged spirally and outwardly, the mounting blocks 66 in the spiral grooves 23 correspond to the first moving blocks 45 in position one by one, and the second pressing blocks 69 are arranged outwardly relative to the first moving blocks 45.

In the initial state, the cover plate 17 is located in the groove 14, the first moving block 45 is located in the first moving groove 41, the first spring 42 is in a compressed state, the second spring 39 is in a compressed state, the limiting block 40 is located in the limiting groove 47, the first pressing block 50 is located in the second sliding groove 51, the electromagnet 73 starts the fourth spring 74 to be in a compressed state, and the third spring 67 is in a stretched state due to the action of the connecting block 68.

When cutting work is needed, a cable penetrates through the guide block 19 and extends into the fixing groove 49, then the second motor 53 is started to fix a section of the cable in the fixing groove 49 by using the first pressing block 50, then the first motor 15 is started to drive the main shaft 13 to rotate, the main shaft 13 drives the fixing block 88 to rotate, the fixing block 88 drives the cable to rotate after rotating, meanwhile, the main shaft 13 drives the rotating disc 22 to rotate, the rotating disc 22 rotates to drive the second rotating shaft 29 to do circular motion around the first rotating shaft 34, the first gear 33 is meshed with the face gear 36 in the motion process, so the first gear 33 drives the second rotating shaft 29 to rotate, the second rotating shaft 29 drives the threaded shaft 32 to rotate after speed regulation in the speed regulator 28, the threaded shaft 32 drives the second moving block 27 to move, the second gear 37 is driven to rotate when the second moving block 27 moves, the second gear 37 drives the limiting block 40 to move out of the limiting groove 47, after the second gear 37 completely exits from the limiting groove 47, the first moving block 45 moves upwards under the action of the first spring 42, so that the bottom wall of the open groove 43 is smoothly connected with the top surface of the base 81, when the four second moving blocks 27 move, the first moving block 45 sequentially moves upwards according to the distance from the main shaft 13, after the first moving block 45 moves upwards, the cable is limited by the first moving block 45 and wound on the outer side of the first moving block 45, after all the first moving blocks 45 extend out, the cable integrally presents a spiral shape, and then the first motor 15 stops starting;

then the telescopic rod 12 is started to drive the covering disc 17 to move downwards, the first moving block 45 enters the spiral groove 23, meanwhile, the second pressing block 69 is in contact with the cable, then the third spring 67 is stressed to contract and enable the second pressing block 69 to fix the cable, then the electromagnet 73 stops working, the second sliding block 75 drives the working block 79 to move inwards the spiral groove 23 under the action of the fourth spring 74, the cable is fixed in the fixing groove 76, then the first cutting wheel 78 is started to cut the skin of the cable, and then the electric sliding rail 70 is started to drive the operating block 71 to move, so that the skin of the cable is cut;

when the operation block 71 moves to the first moving block 45, the electromagnet 73 near the main shaft 13 starts to attract the second slider 75, so that the working block 79 moves into the third moving groove 72, and the second cutting wheel 44 starts to cut the cable skin at the position while avoiding the first moving block 45.

After the cutting work is finished, the telescopic rod 12 is started to drive the covering disc 17 to move upwards to separate the cut cable, then the other end of the cable is placed into the through groove 64, the special-shaped block 65 is clamped into the cut cable skin, then the cable is pulled, and the cut cable skin is separated while the cable is taken out.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A cable system comprising a base, characterized in that: a first rotating groove with an upward opening is formed in the base, a rotating disc is rotationally connected in the first rotating groove, a second rotating groove with a downward opening is formed in the rotating disc, a first rotating shaft extending into the second rotating groove is fixedly arranged on the bottom wall of the first rotating groove, a face gear is fixedly arranged at the top end of the first rotating shaft, four groups of fixing devices are arranged in the rotating disc, each fixing device comprises a plurality of first moving grooves which are arranged in the rotating disc at equal intervals and have upward openings, a first moving block is slidably connected in the first moving grooves, two limiting grooves are formed in the first moving block, the bottom surface of the first moving block is fixedly connected with the bottom wall of the first moving groove through a first spring, limiting devices capable of fixing the first moving block to prevent the first moving block from moving are respectively arranged in the left wall and the right wall of the first moving groove, and the fixing devices further comprise a second moving groove arranged below the first moving groove, the side wall of the second moving groove far away from the second rotating groove is rotatably connected with a threaded shaft, the threaded shaft is in threaded connection with a second moving block, the bottom wall of the second moving groove is internally communicated with a first slideway, the first slideway is slidably connected with a first sliding block fixedly connected with the second moving block, the side wall of the second rotating groove is rotatably connected with four second rotating shafts, the tail end of each second rotating shaft is rotatably connected with a first gear meshed with the end face gear, the second rotating shaft and the threaded shaft are connected through a speed regulator, the fixing device further comprises a communicating device, the second moving block can drive the limiting device to limit the first moving block through the communicating device, a top cover is fixedly connected above the base through support rods which are symmetrical in left and right positions, and a groove with a downward opening is arranged in the top cover, install first motor in the recess roof, first motor bottom surface install with rolling disc fixed connection's main shaft, install on the main shaft and can be with the clamping device that the cable is fixed, the recess roof is fitted with a contraceptive ring and is equipped with four telescopic links, the telescopic link bottom set firmly with the main shaft rotates the cover dish of connecting, be equipped with the cutting device that can carry out the cable cutting in the cover dish.

2. A cable system according to claim 1, wherein: the limiting device comprises a first sliding groove communicated with the first moving groove side wall, a limiting block is connected in the first sliding groove in a sliding mode, and the inner side face of the limiting block is fixedly connected with the first sliding groove side wall through a second spring.

3. A cable system according to claim 1, wherein: the communicating device comprises a rotating cavity communicated with the top wall of the second moving groove, a third rotating shaft is rotatably connected between the side walls of the rotating cavity, a second gear is fixedly arranged on the third rotating shaft and meshed with the second moving block, a first belt wheel is fixedly arranged on the third rotating shaft, a fourth rotating shaft is rotatably connected above the third rotating shaft, a second belt wheel is fixedly arranged on the third rotating shaft, the second belt wheel and the first belt wheel are driven by a belt, a third gear is fixedly arranged on the fourth rotating shaft, two connecting rods are slidably connected in the side wall of the rotating cavity close to the first moving groove, a rack plate meshed with the third gear is fixedly arranged on the side face of each connecting rod close to the third gear, and the connecting rods are fixedly connected with the limiting blocks.

4. A cable system according to claim 1, wherein: clamping device including set firmly in epaxial fixed block, the fixed slot that runs through about being equipped with in the fixed block, the intercommunication is equipped with the second sliding tray in the fixed slot roof, install the second motor in the second sliding tray roof, second motor bottom surface is installed and is extended to screwed pipe in the second sliding tray, screwed pipe female connection has the threaded rod, the threaded rod bottom set firmly with second sliding tray sliding connection's first pressing block.

5. A cable system according to claim 1, wherein: the cutting device comprises a spiral groove which is arranged in the covering disc and has a downward opening, an installation block is fixedly arranged on the top wall of the spiral groove, a connecting block is connected in the installation block in a sliding manner, the top surface of the connecting block is fixedly connected with the top wall of the spiral groove through a third spring, a second pressing block is fixedly arranged at the bottom end of the connecting block, electric slide rails with symmetrical positions are arranged in the left side wall and the right side wall of the spiral groove, an operation block is arranged on the electric slide rails, a third moving groove with an opening facing the spiral groove is arranged in the electric slide rails, a working block is connected in the third moving groove in a sliding manner, a second slide rail with symmetrical positions is communicated with the upper wall and the lower wall of the third moving groove, a second slide block fixedly connected with the working block is connected in the second slide rail in a sliding manner, the second slide block is fixedly connected with the side wall of the second slide rail through a fourth spring, and an electromagnet is arranged in the side wall of the second slide rail, a cutting wheel is installed in the working block, an auxiliary block which is symmetrical to the cutting wheel in position is fixedly arranged on the side face of the working block, and a fixing groove is formed in the auxiliary block.

6. A cable system according to claim 1, wherein: the cutting device further comprises an open slot arranged in the first moving block, and a second cutting wheel is installed in the open slot.

7. A cable system according to claim 1, wherein: the left base top surface of rolling disc has set firmly the separation piece, the groove that passes through about being equipped with in the separation piece, lateral wall sets firmly the dysmorphism piece around passing through the groove, the separation piece right side the base top surface has set firmly the guide block.

8. A cable system according to claim 1, wherein: the first moving blocks of the four groups of fixing devices are integrally spirally distributed outwards, the mounting blocks in the spiral grooves correspond to the first moving blocks in position one by one, and the second pressing blocks are outwards arranged relative to the first moving blocks.