CN113839349B

CN113839349B - Cable stripping device

Info

Publication number: CN113839349B
Application number: CN202111171725.3A
Authority: CN
Inventors: 詹威鹏
Original assignee: Shenzhen Power Supply Co ltd
Current assignee: Shenzhen Power Supply Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2023-07-07
Anticipated expiration: 2041-10-08
Also published as: CN113839349A

Abstract

The invention relates to a cable stripping device, which comprises a clamping mechanism, a supporting ring and a stripper, wherein the clamping mechanism is used for clamping a cable; the supporting ring is connected with the clamping mechanism and is used for being sleeved on the periphery of the cable; the stripper comprises a clamping support, a lifting mechanism and a cutter, wherein the clamping support is clamped to the supporting ring and can circumferentially move around the cable, the lifting mechanism is connected with the clamping support, and the lifting mechanism is connected with the cutter and can drive the cutter to move towards a direction close to or far away from the cable. The cable stripping device can adjust the cutting depth of the cutter when stripping the cable sheath; meanwhile, the cut cable cut fracture is smooth and flat, the phenomenon that the joint point of the cable cut fracture is misplaced due to insufficient experience of operators in the process of stripping the cable is prevented, and the process requirement of manufacturing the cable joint is met.

Description

Cable stripping device

Technical Field

The invention relates to the technical field of cable power construction, in particular to a cable stripping device and a cable stripping method.

Background

Along with the popularization and construction of the power grid, the scale of laying high-voltage cables and power construction is gradually increased. Currently, high-voltage cables are the main conveying medium of the power grid, and relevant special tools for installing and manufacturing corresponding high-voltage cable connection joints are generated.

In the process of installing and manufacturing the high-voltage cable connection joint, the sheath of the high-voltage cable needs to be peeled. Currently, a mode of cutting and stripping the cable sheath around the high-voltage cable by using a handheld crescent knife is basically adopted. When a common person uses a crescent knife to manually peel, the joint point of a cutting fracture after the crescent knife rotates around a cable for one circle often has a slight dislocation phenomenon, meanwhile, the cutting depth cannot be controlled in the manual cutting process, a skilled worker with rich experience is usually required to operate, and otherwise, the process requirements of manufacturing the cable joint cannot be met.

Disclosure of Invention

Based on the above, it is necessary to provide a cable stripping device for solving the problem that the conventional cable stripping process cannot meet the manufacturing process requirement of the cable connector due to the dislocation phenomenon of the cut fracture connection point and the uncontrollable cutting depth.

A cable stripping apparatus, comprising:

the clamping mechanism is used for clamping the cable;

the support ring is connected to the clamping mechanism and is used for being sleeved on the periphery of the cable;

the stripper comprises a clamping support, a lifting mechanism and a cutter, wherein the clamping support is clamped in the supporting ring and can circumferentially move around the cable, the lifting mechanism is connected with the clamping support, and the lifting mechanism is connected with the cutter and can drive the cutter to move towards a direction close to or far away from the cable.

In one embodiment, the stripper further comprises a first driving piece, annular grooves are formed in two end faces of the supporting ring, a gear ring is arranged on the inner circular face of the supporting ring, the clamping support comprises two supporting plates which are oppositely arranged and a connecting plate which is used for connecting the two supporting plates, ball studs are arranged on the supporting plates, the ball heads of the ball studs are oppositely arranged and clamped in the annular grooves, the first driving piece is connected with the connecting plate, and gears meshed with the gear ring are arranged on a rotating shaft of the first driving piece.

In one embodiment, the stripper further comprises a housing, the housing is fixedly connected to the connecting plate, the first driving member is arranged in the housing, the rotating shaft of the first driving member extends out of the connecting plate, the lifting mechanism comprises a lifting frame, a rotating rod and a rack, the lifting frame is arranged in the housing, the cutter is connected with the lifting frame, the rack is fixed on the lifting frame, the rotating rod is rotatably connected to the housing, one end of the rotating rod is provided with a meshing portion, the meshing portion is meshed with the rack, and the lifting frame can move up and down relatively to the housing by rotating the rotating rod.

In one embodiment, the lifting mechanism further comprises a mounting frame, the mounting frame extends out of the shell and is connected with the bottom end of the lifting frame, the stripper further comprises a second driving piece, the second driving piece is arranged on the mounting frame, and the cutter is in driving connection with the second driving piece.

In one embodiment, the stripper further comprises a rotating lattice, the mounting frame is provided with a containing cavity, the rotating lattice is installed in the containing cavity, the second driving piece is installed in the rotating lattice, the rotating shaft of the second driving piece can extend out of the first side face of the rotating lattice to be connected with the cutter, the second side face of the rotating lattice is provided with a stud, the rotating lattice is connected with the mounting frame through the stud, the first side face and the second side face are non-opposite faces, the second side face is square, and the rotating lattice rotates to change the installation angle of the cutter.

In one embodiment, two sides of the top end of the lifting frame are provided with buckles, and the inner wall of the shell is provided with tightening ribs which can be in butt fit with the buckles; and/or, the stripper further comprises a first knob, a rotary hole is formed in the shell, and one end, far away from the rack, of the rotary rod penetrates out of the rotary hole and is connected with the first knob.

In one embodiment, the clamping mechanism comprises at least two clamping assemblies, the clamping assemblies are arranged at intervals, at least two connecting rods are arranged between the clamping assemblies, and the connecting rods are fixedly connected to the clamping assemblies.

In one embodiment, the clamping assembly comprises a fixing ring, at least two clamping jaws, at least two graduated scales and at least two second knobs, the fixing ring is used for being sleeved on the periphery of the cable and adjacent to the fixing ring, the fixing ring is provided with at least two movable holes and at least two first threaded holes, the movable holes are formed along the radial direction of the fixing ring, the first threaded holes are formed in the end face of the supporting ring and are communicated with the movable holes, the graduated scales are arranged in the movable holes in a penetrating mode, the clamping jaws are fixedly connected to one ends, close to the cable, of the graduated scales, and the second knobs are screwed into the first threaded holes to compress the graduated scales.

In one embodiment, the cable stripping device further comprises a driving rod, the supporting ring is provided with a second threaded hole, the supporting ring is arranged between the two fixing rings, two ends of the driving rod respectively penetrate through the fixing rings and are movably connected with the fixing rings, the middle part of the driving rod penetrates through the second threaded hole and is in threaded connection with the supporting ring, and at least one end of the driving rod is provided with an operation part.

In one embodiment, the tool comprises a blade or a drill bit.

When the cable stripping device is used, the supporting ring is sleeved on the periphery of a cable to be stripped, the supporting ring is clamped on the cable through the clamping mechanism, the lifting mechanism is adjusted to drive the cutter to move towards the direction close to or far away from the cable, and the cutting depth of the cutter when the cable sheath is stripped is adjusted; simultaneously through with the card support joint in the holding ring, when the card support atress rotates for the ware is shelled to the opener can encircle the cable and carry out circumference and rotate, when the cutter is shelled the operation to cable sheath, because the relative cable of shelling the ware does not take place axial displacement, the cable cutting fracture after consequently cutting is smooth and flat, avoids the phenomenon that misplacement appears in cable cutting fracture joint that leads to because operating personnel experience is not abundant enough in the cable is shelled the in-process, has satisfied the technological requirement of cable joint preparation.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a cable stripping device according to an embodiment;

FIG. 2 is a schematic view of the stripper of FIG. 1;

FIG. 3 is a schematic view of the stripper of FIG. 2 from another perspective with the housing removed;

FIG. 4 is a schematic view of the support ring of FIG. 1;

FIG. 5 is a schematic view of the clamping assembly of FIG. 1;

fig. 6 is a schematic structural diagram of a transition of the cable stripping device according to an embodiment.

In the figure:

100. a cable stripping device; 10. a clamping mechanism; 11. a clamping assembly; 110. a fixing ring; 111. a clamping jaw; 112. a graduated scale; 113. a screw; 20. a connecting rod; 21. a first fastener; 22. a second fastener; 30. a driving rod; 31. a third fastener; 32. an operation unit; 40. a support ring; 41. an annular groove; 42. a second threaded hole; 43. a gear ring; 50. a stripper; 51. a clamping support; 511. ball stud; 512. a supporting plate; 513. a connecting plate; 52. a first driving member; 521. a gear; 53. a housing; 54. a lifting mechanism; 541. a lifting frame; 542. a rack; 543. a rotating rod; 544. a first knob; 545. a buckle; 55. a second driving member; 551. transferring the grids; 552. a stud; 553. a second knob; 56. a cutter; 561. a blade; 562. a drill bit; 57. a mounting frame; 571. a first side plate; 572. a second side plate; 573. a bottom support;

200. and (3) a cable.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

Referring to fig. 1, a cable stripping device 100 in an embodiment includes a clamping mechanism 10, a support ring 40, and a stripper 50. The clamping mechanism 10 is used for clamping the cable and fixing the cable. The support ring 40 is connected to the clamping mechanism 10 and is sleeved on the periphery of the cable to provide a fixing effect for the stripper 50. The stripper 50 comprises a clamping support 51, a lifting mechanism 54 and a cutter 56, wherein the clamping support 51 is clamped on the supporting ring 40 and can move circumferentially around a cable, the lifting mechanism 54 is connected with the clamping support 51, the lifting mechanism 54 is connected with the cutter 56 and can drive the cutter 56 to move towards a direction close to or far away from the cable 200, and meanwhile the cutter 56 can perform stripping operation around a cable sheath. The tool in fig. 1 is a blade.

When the cable stripping device 100 is used, the supporting ring is sleeved on the periphery of a cable to be stripped, the supporting ring is clamped on the cable through the clamping mechanism, and the lifting mechanism is adjusted to drive the cutter to move towards the direction close to or far away from the cable 200, so that the cutting depth of the cutter 56 in stripping the cable sheath can be adjusted; simultaneously through with the card hold in palm 51 joint in support ring 40, when the card holds in the palm 51 atress rotates for the ware 50 can encircle cable 200 and carry out circumference rotation, when cutter 56 is shelled the operation to the cable sheath, because the relative cable of peeling the subassembly does not take place axial displacement, the cable cutting fracture after consequently cutting is smooth and flat, has prevented to open the phenomenon that the dislocation appears in cable cutting fracture joint that leads to because operating personnel experience is not abundant enough in the cable peeling process, has satisfied the technological requirement of cable joint preparation.

As shown in fig. 1 in combination with fig. 2, 3, and 4, in one embodiment, the stripper 50 includes a first drive 52. Specifically, the first driving member 52 is a driving motor. The two end surfaces of the supporting ring 40 are respectively provided with an annular groove 41, and the annular grooves 41 are used for guiding the movement track of the clamping support 51. The inner circular surface of the support ring 40 is provided with a gear ring 43, and the gear ring 43 is coaxially arranged with the support ring 40. Specifically, the support ring 40 is provided with an annular rail on an inner circumferential surface thereof, and the ring gear 43 is provided on one of side surfaces of the annular rail. In this embodiment, the annular track is recessed relative to the inner circular face of the support ring 40, and in other embodiments, the annular track may also be raised relative to the inner circular face of the support ring 40.

Further, in one embodiment, the card holder 51 includes two opposite supporting plates 512 and a connecting plate 513 connecting the two supporting plates 512. The supporting plate 512 is provided with bolts, and heads of the bolts are oppositely arranged and clamped in the annular grooves 41. Preferably, the bolts are ball bolts 511, and the ball bolts 511 reduce the contact area between the clamping support 51 and the supporting ring 40, and point contact is used instead of surface contact, so that the friction force between the clamping support 51 and the supporting ring 40 is reduced, and the clamping support 51 is driven to move more smoothly. In other embodiments, rollers may be provided on the holder 51, and the holder 51 may be engaged with the annular groove 41 by the rollers to enable the holder 51 to be held on the support ring and roll along the annular groove.

Further, the first driving member 52 is fixedly connected to the bottom end of the connecting plate 513, and a rotation shaft of the first driving member 52 extends out of the connecting plate 513, and a gear 521 engaged with the gear ring 43 is disposed on the rotation shaft of the first driving member 52. When the first driving member 52 drives the gear 521 to rotate, the stripping device 50 moves circumferentially around the supporting ring 40, so as to implement automatic stripping operation of the cutter 56 around the cable, thereby increasing stripping efficiency and convenience.

Specifically, in one embodiment, referring to fig. 1, 2, and 3, the stripper 50 further includes a housing 53, and the housing 53 is fixedly connected to the connection plate 513. Alternatively, the connection between the housing 53 and the connection plate 513 may be a welding, clamping, riveting, threaded connection, or the like. The casing 53 has a hollow rectangular structure, and the casing 53 is sleeved outside the first driving member 52 and the lifting mechanism 54, thereby playing a role in protection. Meanwhile, a window is formed in the shell 53, so that an operator can observe the working condition of the internal lifting mechanism 54 conveniently.

Referring to fig. 3, in one embodiment, the lifting mechanism 54 includes a lifting frame 541, a rotating lever 543, and a rack 542, the lifting frame 541 is disposed in the housing 53, and the cutter 56 is connected to the lifting frame 541. The rack 542 is fixed on the lifting frame 541, specifically, the lifting frame 541 is of a rectangular structure with a hollow interior, the rack 542 is fixedly connected to the interior of the lifting frame 541, and opposite ends of the rack 542 are fixedly connected to the top surface and the bottom surface of the interior of the lifting frame 541. The lifting frame 541 is provided with buckles 545 on two sides of the top end of the lifting frame 541, the inner wall of the shell 53 is provided with tightening ribs which can be in butt fit with the buckles 545, and 2 buckles 545 are arranged on the top of the lifting frame, so that the lifting frame is ensured not to directly fall down after being sleeved in the shell 53. Further, the rotating rod 543 is rotatably connected to the housing 53, one end of the rotating rod 543 has a tooth portion, the tooth portion is meshed with the rack 542, and rotating the rotating rod 543 can move the lifting frame 541 up and down relative to the housing 53, and simultaneously, the lifting frame 541 drives the cutter 56 to move in a direction approaching or separating from the cable, so as to adjust the stripping depth of the cutter 56 relative to the cable sheath. Optionally, the stripper 50 further includes a first knob 544, and the housing 53 is further provided with a rotation hole, and an end of the rotation rod 543 remote from the rack 542 passes through the rotation hole and is connected to the first knob 544. Specifically, the rotation lever 543 is fixedly connected with the first knob 544, and the first knob 544 increases the torque of the rotation lever 543, so that the operator can hold and rotate the rotation lever 543 more effort-saving.

Further, the lifting mechanism 54 further includes a mounting bracket 57, and the mounting bracket 57 extends out of the housing 53 and is connected to the bottom end of the lifting frame 541. The stripper 50 also includes a second drive member 55, the second drive member 55 being disposed on a mounting bracket 57. Specifically, the second driving member 55 is a driving motor. The cutter 56 is in driving connection with the second driving piece 55, and when the second driving piece 55 is driven by power, the cutter 56 rotates along the axis of the cutter to realize stripping of the cable sheath, so that stripping efficiency is improved.

Optionally, the stripper 50 further comprises a rotation grid 551, and the mounting bracket 57 is provided with a receiving cavity. The mounting bracket 57 includes a first side plate 571, a second side plate 572, and a shoe 573. Further, the first side plate 571 is connected to the bottom surface of the housing 53 and is perpendicular to the bottom surface of the housing, and the second side plate 572 is connected to the bottom surface of the housing 53 and is perpendicular to both the bottom surface of the housing 53 and the first side plate 571. The bottom support 573 is connected to the first side plate 571 and the second side plate 572, and a notch is formed in the middle of the bottom support. The receiving cavity is formed by the inner side of the first side plate 571, the inner side of the second side plate 572, and the top of the shoe 573. The rotation lattice 551 is installed in the accommodating cavity, the second driving member 55 is installed in the rotation lattice 551, and the rotation shaft of the second driving member 55 can extend out of the first side surface of the rotation lattice 551 to be connected with the cutter 56. The second side of the rotation lattice 551 is provided with a stud 552, and the rotation lattice 551 is connected to the mounting frame 57 by the stud 552. Specifically, the stud 552 protrudes from the second side of the rotation cell 551, and an end of the stud 552 remote from the mounting block 57 is connected to a second knob 553, and the second knob 553 is screwed such that the rotation cell 551 is fixed to the mounting block 57. Alternatively, the first side and the second side are non-opposite surfaces, the second side is square, and the rotation grid 551 rotates to change the mounting angle of the cutter 56. The first side of the rotation lattice 551 may abut against the top surface of the bottom support 573, or may be disposed opposite the inner side of the second side plate 572 of the accommodating cavity. When the first side of the rotation lattice 551 is abutted against the top surface of the bottom support 573, the rotation shaft of the second driving member 55 extends out of the notch in the middle of the bottom support 573. The second driving member 55 can be connected with different cutters 56 in a driving way by rotating the installation position of the conversion grid 551, so that the functions of the cable stripping device 100 are enriched. Referring to fig. 1, 2 and 3, the cutter 56 is a blade 561, and referring to fig. 6, the cutter 56 is a bit 562, and the cutter direction of the blade 561 or the bit 562 is adjusted by rotating the mounting position of the conversion blade 551 due to the difference in the angle at which the blade 561 and the bit 562 act on the cable 200.

Referring to fig. 1 and fig. 5, in the present embodiment, the clamping mechanism 10 includes two clamping assemblies 11, and each clamping assembly 11 is disposed at a distance from each other. By arranging the two clamping assemblies 11, the part of the cable 200 needing stripping is supported, the stripper 50 is convenient to operate, and the quality of a cable cutting fracture is improved. In other embodiments, the clamping assemblies 11 may be three, four, etc., and the clamping assemblies 11 may be spaced apart from each other.

Meanwhile, at least two connecting rods 20 are arranged between the clamping assemblies 11, the connecting rods 20 are fixedly connected to the clamping assemblies 11, and the connecting rods 20 are arranged in parallel, so that the relative displacement between the clamping assemblies 11 is fixed. In other embodiments, the number of the connecting rods 20 may be three, four, etc., and the connecting rods 20 may be fixedly connected to each clamping assembly 11. Opposite ends of the connecting rod 20 are respectively connected to a first fastening member 21 and a second fastening member 22, and one end of the connecting rod 20 can be fixedly connected with the fastening members. Further, the axial sectional area of the connecting portion of the connecting rod 20 and the clamping assembly 11 is smaller than the axial sectional area of other portions of the connecting rod 20, so that the connecting rod 20 and the fixing ring 110 are fixedly connected.

Specifically, in one embodiment, the clamping assembly 11 includes a stationary ring 110, two clamping jaws 111, two scales 112, and two screws 113. The fixed ring 110 is used for sleeving the periphery of the cable 200, the adjacent fixed rings 110 are connected through the connecting rod 20, the fixed ring 110 is provided with two movable holes and two first threaded holes, the movable holes are formed along the radial direction of the fixed ring 110, the first threaded holes are formed in the end face of the support ring 40 and are communicated with the movable holes, the graduated scale 112 is arranged in the movable holes in a penetrating mode, the clamping jaw 111 is fixedly connected to one end, close to the cable 200, of the graduated scale 112, and the screw 113 is screwed into the first threaded holes to compress the graduated scale 112. Preferably, the screw 113 adopts a design of a large head cap and insections, so that manual rotation and fixation are facilitated. The scale 112 is used to see the radial distance of the jaws 111 relative to the stationary ring 110, thereby ensuring that the cable 200 is located on the central axis of the stationary ring 110. In other embodiments, the number of the clamping jaw 111, the graduated scale 112, the screw 113, the movable hole and the first threaded hole may be three, four, etc., and the clamping jaw 111, the graduated scale 112, the screw 113 and the movable hole may be symmetrically distributed around the cable 200 and have corresponding numbers.

In this embodiment, the cable stripping device 100 further includes a driving rod 30, the supporting ring 40 is disposed between the two fixing rings 110, two ends of the driving rod 30 respectively pass through the fixing rings 110 and are movably connected with the fixing rings 110, and two ends of the driving rod 30 can rotate relative to the fixing rings 110. Meanwhile, the supporting ring 40 is provided with a second threaded hole 42, the middle part of the driving rod 30 is provided with external threads, the middle part of the driving rod 30 is arranged in the second threaded hole 42 in a penetrating manner and is in threaded connection with the supporting ring 40, when the driving rod 30 is rotated by driving force, the supporting ring 40 can axially move relative to the driving rod 30, the stripping device 50 can axially move relative to the cable 200, and stripping operation is performed on different positions of the cable 200 according to the requirement of an application environment. The connecting rod 20 is arranged through the supporting ring 40, and the supporting ring 40 moves along the axial direction of the cable under the guide of the connecting rod 20.

Further, an operation portion 32 is provided at one end of the driving lever 30, and the operation portion 32 is used to rotate the driving lever 30. The other end of the driving rod 30 is connected to a third fastener 31. Referring to fig. 1, in the present embodiment, the operation portion 32 is a crank, and an operator can rotate the driving rod 30 by applying a force to the crank, so as to drive the support ring 40 to displace in the axial direction of the driving rod 30. In other embodiments, the operation unit 32 may be a motor, a crank link 20 mechanism, or the like.

In this embodiment, cutter 56 includes a blade 561 or a bit 562.

Referring to fig. 1-5, the knife 56 is a blade 561. Specifically, the blade 561 is a ring blade 561. When the blade 561 is used as the cutter 56, the cable stripping device 100 can realize a cutting function for the cable sheath. Specifically, the first side surface of the rotation lattice 551 is placed opposite to the inner side surface of the accommodating chamber second side plate 572, that is, the rotation axis of the second driving member 55 is directed toward the axial direction of the cable 200. Further, the blade 561 is fixedly coupled to the rotation shaft of the second driving member 55. The cutting position of the blade 561 with respect to the cable 200 is adjustable by moving the support ring 40 in the axial direction of the cable 200, and the punching depth of the blade 561 with respect to the cable 200 is adjustable by the elevating mechanism 54.

Referring to fig. 6, cutter 56 is a drill bit 562. When the drill 562 is used as the cutter 56, the cable stripping device 100 can perform a punching function for the cable sheath. Specifically, the first side of the rotation lattice 551 abuts against the top surface of the bottom support 573, and the rotation axis of the second driving member 55 extends from the notch in the middle of the bottom support 573, that is, the rotation axis of the second driving member 55 faces the direction of the cable 200. Further, the drill 562 is fixedly connected to the rotation shaft of the second driving member 55. The drilling position of the drill bit 562 relative to the cable 200 can be adjusted by moving the support ring 40 in the axial direction of the cable 200, and the drilling depth of the drill bit 562 relative to the cable 200 can be adjusted by the lifting mechanism 54. In other embodiments, knife 56 may be a knife 56 capable of stripping the cable jacket in addition to blade 561, bit 562.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on 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," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. A cable stripping device, comprising:

the clamping mechanism is used for clamping the cable;

the stripper comprises a clamping support, a lifting mechanism, a shell and a cutter, wherein the clamping support is clamped to the supporting ring and can move circumferentially around the cable, the lifting mechanism is connected with the clamping support and comprises a mounting frame, a lifting frame, a rotating rod and a rack, the lifting frame is arranged in the shell, and the lifting frame is connected with the cutter and can drive the cutter to move towards a direction close to or far away from the cable;

the mounting frame extends out of the shell and is connected with the bottom end of the lifting frame, the stripper further comprises a second driving piece, the second driving piece is arranged on the mounting frame, and the cutter is in driving connection with the second driving piece;

the stripper further comprises a rotating grid, the mounting frame is provided with a containing cavity, the rotating grid is installed in the containing cavity, the second driving piece is installed in the rotating grid, the rotating shaft of the second driving piece can extend out of the first side face of the rotating grid to be connected with the cutter, the second side face of the rotating grid is provided with a stud, the rotating grid is connected with the mounting frame through the stud, the first side face and the second side face are non-opposite faces, the second side face is square, and the rotating grid rotates to change the installation angle of the cutter.

2. The cable stripping device according to claim 1, wherein the stripper further comprises a first driving member, annular grooves are formed in two end faces of the supporting ring, a gear ring is arranged on an inner circular face of the supporting ring, the clamping support comprises two supporting plates which are oppositely arranged and a connecting plate which connects the two supporting plates, ball studs are arranged on the supporting plates, ball heads of the ball studs are oppositely arranged and clamped in the annular grooves, the first driving member is connected with the connecting plate, and a gear meshed with the gear ring is arranged on a rotating shaft of the first driving member.

3. The cable stripping device according to claim 2, wherein the housing is fixedly connected to the connecting plate, the first driving member is disposed in the housing, a rotation shaft of the first driving member extends out of the connecting plate, the rack is fixed on the lifting frame, the rotary rod is rotatably connected to the housing, one end of the rotary rod is provided with a tooth portion, the tooth portion is meshed with the rack, and the lifting frame can be moved up and down relative to the housing by rotating the rotary rod.

4. The cable stripping device according to claim 3, wherein buckles are arranged on two sides of the top end of the lifting frame, and a tightening rib which can be in butt fit with the buckles is arranged on the inner wall of the shell;

the stripping device further comprises a first knob, a rotary hole is formed in the shell, and one end, far away from the rack, of the rotary rod penetrates out of the rotary hole and is connected with the first knob.

5. The cable stripping device of claim 1, wherein the housing is provided with a window for viewing the operation of the lifting mechanism.

6. The cable stripping device as claimed in any one of claims 1-5, wherein the clamping mechanism comprises at least two clamping assemblies, each clamping assembly being arranged at a distance from each other, at least two connecting rods being arranged between each clamping assembly, the connecting rods being fixedly connected to each clamping assembly.

7. The cable stripping device according to claim 6, wherein the clamping assembly comprises a fixing ring, at least two clamping jaws, at least two graduated scales and at least two screws, the fixing ring is used for being sleeved on the periphery of the cable and connected with the adjacent fixing ring through the connecting rod, the fixing ring is provided with at least two movable holes and at least two first threaded holes, the movable holes are formed along the radial direction of the fixing ring, the first threaded holes are formed in the end face of the supporting ring and are communicated with the movable holes, the graduated scales are arranged in the movable holes in a penetrating mode, the clamping jaws are fixedly connected to one ends, close to the cable, of the graduated scales, and the screws are screwed into the first threaded holes to compress the graduated scales.

8. The cable stripping device according to claim 7, further comprising a driving rod, wherein the supporting ring is provided with a second threaded hole, the supporting ring is arranged between the two fixing rings, two ends of the driving rod respectively penetrate through the fixing rings and are movably connected with the fixing rings, the middle part of the driving rod penetrates through the second threaded hole and is in threaded connection with the supporting ring, and at least one end of the driving rod is provided with an operation part.

9. The cable stripping device of claim 8, wherein the operating portion comprises a handle for rotating the drive rod to displace the support ring in an axial direction of the drive rod.

10. The cable stripping apparatus of claim 1, wherein the cutter comprises a blade or a drill bit.