CN110707612A - Secondary cable stripping tool - Google Patents
Secondary cable stripping tool Download PDFInfo
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- CN110707612A CN110707612A CN201911133676.7A CN201911133676A CN110707612A CN 110707612 A CN110707612 A CN 110707612A CN 201911133676 A CN201911133676 A CN 201911133676A CN 110707612 A CN110707612 A CN 110707612A
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- cable
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- slideway
- pressing block
- mounting plate
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- 238000003825 pressing Methods 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 20
- 230000008569 process Effects 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 13
- 238000009413 insulation Methods 0.000 abstract description 13
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000006748 scratching Methods 0.000 description 3
- 230000002393 scratching effect Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 206010015535 Euphoric mood Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/12—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
- H02G1/1202—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof by cutting and withdrawing insulation
- H02G1/1248—Machines
- H02G1/1251—Machines the cutting element not rotating about the wire or cable
- H02G1/126—Machines the cutting element not rotating about the wire or cable making a longitudinal cut
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- Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
Abstract
The invention discloses a secondary cable stripping tool.A cable slideway I, a cable slideway II and a cable pressing block are sequentially distributed in an annular bracket along the annular direction; the cable pressing block is of a hemispherical structure, the plane end of the cable pressing block is connected with the annular bracket through a pressing head, a blade is fixed on the pressing head, and the tool tip end of the blade penetrates out of the spherical end of the cable pressing block and is used for stripping the cable; the cable slide I and the cable slide II have the same structure, and the surfaces contacted by the cables are both arc curved surface structures. And in the process that the cable penetrates through the annular support and is stripped by the blade, the cable is clamped and fixed by the cable slideway I, the cable slideway II and the cable pressing block. Compared with the method for manually stripping the cable by using the stripping knife, the method has the advantages of higher efficiency, higher speed, higher safety, smaller insulation damage, linear stripped secondary cable insulation layer, consistent depth and higher process.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a secondary cable stripping tool.
Background
With the rapid development of the power industry, power equipment occupies an important position in the power industry, and the power equipment has to realize the functions of conduction, control, signal transmission and the like by a secondary cable. The quality of the secondary cable insulation layer becomes a key for the safe operation of power equipment and a power grid and the life safety of operators, so the importance of stripping the secondary cable insulation layer is also highly regarded by power operators. At present, the stripping method of the secondary cable insulating layer in the power industry mainly utilizes a knife to strip the insulating layer of the secondary cable by operating personnel, and has the following defects:
1. uneven force application, poor peeling quality: the operating personnel adopts the knife to peel off the insulating layer of secondary cable, because the dynamics of good control knife to make the knife peel off the dynamics of secondary cable insulating layer inhomogeneous, exert oneself greatly for a moment, can destroy the insulating properties of secondary line, exert oneself for a moment and be little, can not reach the effect of secondary cable insulating layer and the secondary line separation inside.
2. Uneven force application, lower stripping efficiency: the worker uses a knife to peel off the insulating layer of the secondary cable, apparently feeling high efficiency without considering safety and insulating properties, but does not sufficiently consider environmental factors. At normal temperature or at higher temperature (in summer), the cable insulation layer is softer, the knife is easy to scratch, and the efficiency is high. If the temperature is low (in winter), the insulating layer of the secondary cable is hard, the knife is difficult to peel off the insulating layer, after all, the force of a person is limited, the force is not uniform, the force is large for a moment and small for a moment, the working efficiency is affected, and in the scratching process, the track of the knife is easy to deviate, so that unsafe things happen.
3. Uneven force application exists, and potential safety hazards exist: in the stripping process, due to the fact that the force of an operator is insufficient or the action direction of the knife is not fixed well, the action track of the knife is deviated possibly, and the operator or others are scratched.
Therefore, in the process of stripping the insulating layer of the secondary cable, how to protect the insulating property of the secondary cable to the maximum extent under the condition of ensuring the working efficiency and the safety of operators becomes the key of the improved design of stripping the insulating layer of the secondary cable.
Disclosure of Invention
Aiming at the technical problems, the invention provides the secondary cable stripping tool for solving the problems, which can effectively improve the working efficiency, ensure the safety of operators and more importantly ensure that the insulation performance of a secondary cable is not influenced after the secondary cable is stripped.
The invention is realized by the following technical scheme:
the secondary cable stripping tool comprises an annular support, wherein a cable slideway I, a cable slideway II and a cable pressing block are sequentially distributed in the annular support along the annular direction; the cable pressing block is of a hemispherical structure, the spherical end of the cable pressing block is used for being in contact with a cable, the plane end of the cable pressing block is connected with the annular support through a pressing head, a blade is fixed on the pressing head, and the tool tip end of the blade penetrates out of the spherical end of the cable pressing block and is used for stripping the cable; the cable slideway I and the cable slideway II have the same structure and are distributed in a mirror symmetry mode by taking the cable pressing block as the center; in the axial lead direction of the annular bracket, the surfaces of the cable slide I and the cable slide II, which are used for being in contact with the cable, are both in arc curved surface structures, and the bus direction of the arc curved surface structures is crossed or vertical to the moving direction of the cable; the cable penetrates through the annular support and is clamped and fixed by the cable slideway I, the cable slideway II and the cable pressing block in the stripping process of the blade; and in the radial plane of the annular support, the contact points of the cable, the cable slideway I, the cable slideway II and the cable pressing block are distributed in a triangular shape.
In the conventional stripping operation process, an operator strips the insulating layer of the secondary cable by using a knife, the force is difficult to control, the force is too large, the insulating property of the secondary cable is damaged, and in the scratching process, the track of the knife is easy to deviate, so that unsafe things happen; the dynamics is too little, and the insulating layer is hardly peeled off to the knife, can not reach the effect of secondary cable insulating layer and the secondary line separation of the inside, influences work efficiency.
The working principle of the invention is as follows: the annular support is used as a framework structure, three cable supporting points, namely a cable slideway I, a cable slideway II and a cable pressing block, are distributed in the annular support along the annular direction, and when the cable supporting device is used, a cable penetrates through the annular support, and the cable slideway I, the cable slideway II and the cable pressing block surround the cable along the circumferential direction of the cable and are in close contact with the cable; the cable or the annular support is pulled, and the blade penetrating through the spherical end of the cable pressing block is used for scratching the cable stripping layer. The three-point fixing structure surrounding the cable circumference is adopted to clamp the cable, so that the contact area with the cable is reduced, the cable is effectively fixed, the depth of the blade for cutting the cable is always kept consistent, the cutting force is uniform, the movement track of the blade is not deviated, the cutting force is uniform, the stripping efficiency is improved, and the safety of operators is guaranteed. In addition, the surfaces of the cable slide I and the cable slide II, which are used for being in contact with the cable, are both in arc curved surface structures, and the bus direction of the arc curved surface structures is crossed or vertical to the moving direction of the cable, so that the cable is in contact with the cable slide I and the cable slide II in the contact area as small as possible in the relative movement process of the annular support and the cable, and the friction resistance is reduced; and the arc-shaped slope surfaces on the two sides of the contact position and the cable pressing block adopt a hemispheroid structure to play a role in guiding the cable, so that when an operator pulls the cable, the operator does not need to consider keeping the vertical position of the axis of the cable and the plane of the annular support at the stripping position, can pull the cable at will and further improves the working efficiency. If the cable slideway I, the cable slideway II or the edge part of the cable pressing block is of a multi-edge structure, the outer wall of the cable and the edge generate larger friction resistance in the process of pulling the cable, so that the operation is difficult.
Further, the whole annular bracket is a closed ring structure or a ring structure with a fracture; the radial section shape of the annular bracket is formed by one or more sections of curves and comprises a circle; or is composed of a plurality of sections of straight lines, including a square and a regular hexagon; or a special-shaped structure formed by straight lines and curved lines.
The shape of the annular bracket provided by the invention is not limited, the annular bracket can play a role of a keel, and the annular bracket is preferably miniaturized.
Furthermore, a through hole is formed in the side wall of the annular support, the pressure head is of a tubular structure, the bottom end of the tubular structure penetrates through the through hole and then extends into the annular support, and a limiting ring is arranged at the end opening of a pipe section at the bottom of the tubular structure; an adjusting screw, a blade mounting rod and a blade are sequentially arranged in the tubular structure, one end of the adjusting screw is screwed into a top pipe section of the tubular structure through threaded connection, the end part of the adjusting screw extending into the tubular structure is abutted against one end of the blade mounting rod, the other end of the blade mounting rod is fixedly connected with the tail end of the blade, and the tool nose end of the blade extends out of the tubular structure and then penetrates out of the spherical end of the cable pressing block; a compression spring is sleeved outside the blade, and two axial ends of the compression spring are arranged between the blade mounting rod and the limiting ring; and the end surface of the top end of the pressure head is provided with stamping scales.
The depth (force) of the blade is controlled by combining the spring, the embossed scale and the adjusting screw, the depth of the blade can be adjusted according to the actual stripping requirement such as the thickness of a cable stripping layer, the force of the blade is uniform in the moving process of the blade, the depth of the blade is consistent, the insulation of a secondary wire is not damaged, and the insulation performance is improved. For example, when the stripping depth of the blade needs to be increased, namely the length of the tool tip end of the blade extending out of the cable pressing block is increased, the adjusting screw can be rotated clockwise, so that the adjusting screw is further screwed into the pressing head, meanwhile, the adjusting screw pushes the blade mounting rod to synchronously move forwards along the axial direction of the pressing head, the blade mounting rod drives the blade to move forwards, and the length of the tool tip end of the blade extending out of the cable pressing block is increased; in the adjusting process, the blade mounting rod can apply pressure to the compression spring in the forward moving process, and the compression spring is compressed, so that the adjusting stability of the adjusting screw is improved. On the contrary, if the stripping depth of the blade is required to be reduced, namely, the length of the knife tip end of the blade extending out of the cable pressing block is reduced, the adjusting screw can be rotated counterclockwise to further screw the adjusting screw out of the pressing head, at the moment, the pressure applied to the compression spring is cancelled, and the compression spring is restored to drive the blade mounting rod and the blade to reset, so that the length of the knife tip end of the blade extending out of the cable pressing block is reduced.
Further, the blade is detachably connected with the blade mounting rod through a screw.
The blade and the blade mounting rod are detachably connected through the screw, the structure is simple, and the disassembly, assembly and replacement operations are convenient.
Further, the outer wall of the pressure head is in threaded adaptive connection with the through hole, and a locking nut is further arranged on the pressure head.
With pressure head and ring carrier threaded connection, conveniently adjust the length that the pressure head stretched into in the ring carrier, can adjust the length that the cable briquetting stretched into the ring carrier.
Furthermore, the cable slideway I or the cable slideway II adopts an adjustable assembly, the adjustable assembly comprises a mounting plate, a guide roll shaft and two auxiliary roll shafts, and the mounting plate, the guide roll shaft and the two auxiliary roll shafts are arranged in the same axial direction; two ends of the two auxiliary roll shafts are fixed on the mounting plate, a guide roll shaft is arranged between the two auxiliary roll shafts, and two ends of the guide roll shaft are connected with the mounting plate through connecting rods; the axial direction of the mounting plate is crossed or vertical to the moving direction of the cable; on the radial section of the mounting plate, the vertex connecting lines of the guide roll shaft and the two auxiliary roll shafts are in a circular arc curve.
The guide roll shaft and the auxiliary roll shaft can adopt a cylindrical structure and also can adopt a semi-cylindrical structure.
Furthermore, one end of the connecting rod is in threaded connection with the mounting plate, and the other end of the connecting rod is rotatably connected with the end part of the guide roll shaft through a bearing.
The connecting rod and the guide roll shaft are arranged in a vertical state; the mounting plate can be provided with a threaded hole, and even the annular bracket can be provided with a threaded hole as an extension of the threaded hole on the mounting plate; the connecting rod is further screwed into a threaded hole in the mounting plate by clockwise rotating the connecting rod, the guide roll shaft is driven to further approach the mounting plate, and the distance between the guide roll shaft and the mounting plate is reduced; through the anticlockwise rotation connecting rod, further unscrew the screw hole on the mounting panel with the connecting rod, drive the direction roller and further keep away from the mounting panel, the distance increase of direction roller and mounting panel. The length that the cable briquetting stretched into the ring carrier is adjusted to the combination and is rotated the pressure head, can ensure to the cable of different external diameter size specifications, and the distance that cable slide I, cable slide II, cable briquetting three and the contact point of cable were to the cable center equals, especially can realize the constant angle (cable slide I, cable slide II, cable briquetting three are the contained angle is 120 degrees three point structure fixed cable of equidistant distribution of circumference in the ring carrier).
Furthermore, strip-shaped holes are formed in the plate surface, close to the two axial ends, of the mounting plate, the strip-shaped holes extend along the radial direction of the mounting plate, and the radial sections of the strip-shaped holes are of inverted T-shaped structures; the axial both ends of supplementary roller are equipped with the connecting plate, establish at the bar downthehole through the head card of bolt, and the pole portion of bolt stretches out behind the bar hole and runs through the connecting plate and lock fixedly through the nut.
Through bolt and bar hole cooperation, can realize adjusting the interval between two supplementary roller shafts to the cooperation direction roller uses.
Furthermore, the guide roll shaft comprises a fixed shaft and a rotating roller, and the fixed shaft and the rotating roller are rotatably connected through a bearing.
The guide roller shaft is preferably selected to be a fixed shaft and a rotary roller to form a structure, in the process of pulling the cable, the outer wall of the cable is in contact with the outer wall of the rotary roller, the frictional resistance between the outer wall of the cable and the outer wall of the rotary roller drives the rotary roller to rotate relative to the fixed shaft, the frictional force is converted into a rotating action, and the frictional resistance for pulling the cable is further reduced.
Further, cable slide I and cable slide II all adopt circular arc plate structure, and the vault surface of circular arc plate structure and cable contact. Simple structure and low cost.
The invention has the following advantages and beneficial effects:
the secondary cable stripping tool provided by the invention fixes a cable in the annular bracket by adopting a three-point fixing structure, and carries out stripping operation through the tool tip end arranged at one point, so that the track of a knife is prevented from deviating, and the stripping force is uniform; the depth (force) of the blade is controlled by combining the pressure spring, the impressing scale and the adjusting screw, the pressure head is fixed by the locking nut, the force of the blade is uniform, the secondary cable is stressed uniformly, the force of the knife does not need to be controlled by a person, the stripping of the secondary cable can be completed quickly by only pulling a secondary cable stripping tool, and the insulation of the secondary cable is prevented from being damaged when the secondary cable insulation layer is stripped, so that the insulation performance is improved, and the personal safety of operators is guaranteed.
Through multiple tests (stripping secondary cables), the secondary cable stripping tool provided by the invention has an obvious effect, and compared with the manual stripping of the cable by using a stripping knife, the secondary cable stripping tool has the advantages of higher efficiency, higher speed, higher safety and smaller insulation damage, the stripped secondary cable insulation layer is in a linear state, the depth is consistent, and the process is higher.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an axial cross-sectional structural schematic of the present invention;
FIG. 4 is a schematic structural view of a cable chute I or a cable chute II of the present invention;
FIG. 5 is a schematic view of the radial cross-sectional configuration of FIG. 4;
fig. 6 is a schematic view of the structure of the blade mounting rod and the blade of the present invention.
Reference numbers and corresponding part names in the drawings: 1-annular support, 2-cable slideway I, 3-cable slideway II, 4-cable pressing block, 5-pressing head, 6-blade, 7-through hole, 9-blade mounting rod, 10-compression spring, 11-locking nut, 12-adjusting screw, 81-mounting plate, 82-guide roll shaft, 83-auxiliary roll shaft, 84-connecting rod, 85-strip-shaped hole and 86-connecting plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
The embodiment provides a secondary cable stripping tool, as shown in fig. 1-3, which includes a quasi-circular ring-shaped support 1, wherein a cable slideway I2, a cable slideway II3 and a cable press block 4 are sequentially distributed in the ring-shaped support 1 along the circumferential direction; the cable pressing block 4 is of a hemispherical structure, the spherical end of the cable pressing block is used for being in contact with a cable, the plane end of the cable pressing block 4 is connected with the annular support 1 through a pressing head 5, a blade 6 is fixed on the pressing head 5, the knife tip end of the blade 6 penetrates out of the center of the spherical end of the cable pressing block 4 and is used for stripping the cable, and the maximum width of the knife tip end is smaller than the diameter of the hemispherical structure; the cable slideway I2 and the cable slideway II3 have the same structure and are distributed in a mirror symmetry mode by taking the cable pressing block 4 as the center; in the axial lead direction of the annular bracket 1, the surfaces of the cable slideway I2 and the cable slideway II3, which are used for being contacted with the cable, are both in arc curved surface structures, and the generatrix direction of the arc curved surface structures is crossed or vertical to the moving direction of the cable. In the process that the cable penetrates through the annular bracket 1 and is stripped by the blade 6, the cable is clamped and fixed by the cable slideway I2, the cable slideway II3 and the cable pressing block 4; and in the radial plane of the annular bracket 1, the contact points of the cables with the cable slideway I2, the cable slideway II3 and the cable pressing block 4 are distributed in a triangular shape.
Example 2
The improvement is further provided on the basis of the embodiment 1, the annular stent 1 is integrally a closed ring structure or a ring structure with a fracture, and the closed ring structure is adopted in the embodiment. The radial section shape of the annular bracket 1 is formed by one or more sections of curves and comprises a circle; or is composed of a plurality of sections of straight lines, including a square and a regular hexagon; or the special-shaped structure formed by a straight line and a curve is adopted in the embodiment, the special-shaped structure is formed by a straight line section and a major arc section.
Example 3
Further improve on embodiment 2's basis, through-hole 7 has been seted up to the top lateral wall of ring carrier 1, and pressure head 5 adopts tubular structure, and tubular structure can adopt square pipe or pipe, and this embodiment is the pipe. The bottom end of the tubular structure penetrates through the through hole 7 and then extends into the annular support 1, a limiting ring is arranged at the end opening of the bottom pipe section of the tubular structure, and the inner diameter of the limiting ring is smaller than that of the tubular structure; an adjusting screw 12, a blade mounting rod 9 and a blade 6 are sequentially arranged in the tubular structure, one end of the adjusting screw 12 is screwed into the top pipe section of the tubular structure through threaded connection, the end part of the adjusting screw 12 extending into the tubular structure is abutted against one end of the blade mounting rod 9, the other end of the blade mounting rod 9 is fixedly connected with the tail end of the blade 6, and the tool nose end of the blade 6 extends out of the tubular structure; the blade 6 is also sleeved with a compression spring 10, and two axial ends of the compression spring 10 are arranged between the blade mounting rod 9 and the limiting ring. The blade 6 and the blade mounting rod 9 are detachably connected through a screw, and the blade 6 and the blade mounting rod 9 are fixedly connected through the end parts of the screw penetrating through the two, as shown in fig. 6. The inner diameter and the outer diameter of the compression spring are respectively 7mm and 9mm, the free length of the spring is 26mm, the length of the compressed spring is less than 15mm, the width of the blade 6 is 6mm, the length of the blade is 26.6cm, the blade is fixed on the blade mounting rod 9 through a 2 x 2.5mm screw, the blade 6 penetrates through the compression spring 10 and is placed in the pressure head 5, and the blade 6 extends out of the pressure head 5 and can extend out of 5mm to the maximum extent. The end face of the top end of the pressure head 5 can be provided with a stamping scale: the inner diameter edge is divided into 10 large parts on average, each large part is divided into 10 small parts, and the total number of the small parts is 100, namely 100 small scales. The adjusting screw 12 has a total length of 26mm and, apart from the handle (toilet knurling), a freely adjustable length of 21mm, which is adapted to the length of the blade 6 and the compression spring 10.
Example 4
The contact points of the adjusting cable, the cable slideway I2, the cable slideway II3 and the cable pressing block 4 are distributed in a regular triangle shape by further improving on the basis of the embodiment 3. The outer wall of the pressure head 5 is in threaded adaptive connection with the through hole 7, and a locking nut 11 is further arranged on the pressure head 5. The cable slideway I2 or the cable slideway II3 adopts an adjustable component, as shown in fig. 4 and 5, the adjustable component comprises a mounting plate 81, a guide roller shaft 82 and two auxiliary roller shafts 83, and the mounting plate 81, the guide roller shaft 82 and the two auxiliary roller shafts 83 are arranged in the same axial direction; two ends of the two auxiliary roller shafts 83 are fixed on the mounting plate 81, a guide roller shaft 82 is arranged between the two auxiliary roller shafts 83, and two ends of the guide roller shaft 82 are connected with the mounting plate 81 through a connecting rod 84; the axial direction of the mounting plate 81 is crossed or perpendicular to the moving direction of the cable; in the radial cross section of the mounting plate 81, the apex connecting line of the guide roller shaft 82 and the two auxiliary roller shafts 83 is a circular arc curve. One end of the connecting rod 84 is connected with the mounting plate 81 by screw threads, and the other end of the connecting rod 84 is rotatably connected with the end of the guide roller shaft 82 through a bearing. The plate surface of the mounting plate 81 close to the two axial ends is provided with a strip-shaped hole 85, the strip-shaped hole 85 extends along the radial direction of the mounting plate 81, and the radial section of the strip-shaped hole 85 is of an inverted T-shaped structure; the axial both ends of supplementary roller 83 are equipped with connecting plate 86, establish in bar hole 85 through the head card of bolt, and the pole portion of bolt stretches out behind bar hole 85 and runs through connecting plate 86 and fix through nut locking. The guide roller shaft 82 includes a fixed shaft and a rotating roller rotatably coupled by a bearing.
Example 5
Based on the further improvement of the embodiment 1, the cable slideway I2 and the cable slideway II3 both adopt circular arc plate structures, and the vault surfaces of the circular arc plate structures are in contact with the cables.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The secondary cable stripping tool comprises an annular support (1) and is characterized in that a cable slideway I (2), a cable slideway II (3) and a cable pressing block (4) are sequentially distributed in the annular support (1) along the annular direction;
the cable pressing block (4) is of a hemispherical structure, the spherical end of the cable pressing block is used for being in contact with a cable, the plane end of the cable pressing block (4) is connected with the annular support (1) through a pressing head (5), a blade (6) is fixed on the pressing head (5), and the tool tip end of the blade (6) penetrates out of the spherical end of the cable pressing block (4) and is used for stripping the cable; the cable slideway I (2) and the cable slideway II (3) have the same structure and are distributed in a mirror symmetry mode by taking the cable pressing block (4) as the center; in the axial lead direction of the annular bracket (1), the surfaces of the cable slideway I (2) and the cable slideway II (3) which are used for being contacted with the cable are both in arc curved surface structures, and the bus direction of the arc curved surface structures is crossed or vertical to the moving direction of the cable;
the cable passes through the annular support (1) and is clamped and fixed by the cable slideway I (2), the cable slideway II (3) and the cable pressing block (4) in the stripping process of the blade (6); and in the radial plane of the annular support (1), the contact points of the cable, the cable slideway I (2), the cable slideway II (3) and the cable pressing block (4) are distributed in a triangular shape.
2. The secondary cable stripping tool as claimed in claim 1, characterised in that the annular support (1) is of a closed or interrupted ring configuration overall; the radial section shape of the annular bracket (1) is formed by one or more sections of curves and comprises a circle; or is composed of a plurality of sections of straight lines, including a square and a regular hexagon; or a special-shaped structure formed by straight lines and curved lines.
3. The secondary cable stripping tool as claimed in claim 1, wherein a through hole (7) is formed in the side wall of the annular support (1), the pressure head (5) is of a tubular structure, the bottom end of the tubular structure penetrates through the through hole (7) and then extends into the annular support (1), and a limiting ring is arranged at the end opening of a pipe section at the bottom of the tubular structure; an adjusting screw (12), a blade mounting rod (9) and a blade (6) are sequentially arranged in the tubular structure, one end of the adjusting screw (12) is screwed into a top pipe section of the tubular structure through threaded connection, the end part of the adjusting screw (12) extending into the tubular structure is abutted against one end of the blade mounting rod (9), the other end of the blade mounting rod (9) is fixedly connected with the tail end of the blade (6), and the knife tip end of the blade (6) extends out of the tubular structure and then penetrates out of the spherical end of the cable pressing block (4); a compression spring (10) is sleeved outside the blade (6), and two axial ends of the compression spring (10) are arranged between the blade mounting rod (9) and the limiting ring; and the end surface of the top end of the pressure head (5) is provided with stamping scales.
4. The secondary cable stripping tool as claimed in claim 3, characterised in that the blade is removably connected to the blade mounting bar (9) by means of screws.
5. The secondary cable stripping tool as claimed in claim 1, characterized in that the outer wall of the pressure head (5) is in threaded fit connection with the through hole (7), and a locking nut (11) is further arranged on the pressure head (5).
6. The secondary cable stripping tool according to claim 1 or 5, characterized in that the cable slideway I (2) or the cable slideway II (3) adopts an adjustable component, the adjustable component comprises a mounting plate (81), a guide roller shaft (82) and two auxiliary roller shafts (83), and the mounting plate (81), the guide roller shaft (82) and the two auxiliary roller shafts (83) are arranged in the same axial direction; two ends of the two auxiliary roll shafts (83) are fixed on the mounting plate (81), a guide roll shaft (82) is arranged between the two auxiliary roll shafts (83), and two ends of the guide roll shaft (82) are connected with the mounting plate (81) through a connecting rod (84); the axial direction of the mounting plate (81) is crossed or vertical to the moving direction of the cable; on the radial section of the mounting plate (81), the connecting line of the vertexes of the guide roller shaft (82) and the two auxiliary roller shafts (83) is in a circular arc curve.
7. The secondary cable stripping tool as claimed in claim 6, wherein one end of said connecting rod (84) is threadedly connected to the mounting plate (81), and the other end of the connecting rod (84) is rotatably connected to the end of the guide roller shaft (82) through a bearing.
8. The secondary cable stripping tool as claimed in claim 7, wherein strip holes (85) are formed in the plate surface of the mounting plate (81) near the two axial ends, the strip holes (85) extend in the radial direction of the mounting plate (81), and the radial cross section of each strip hole (85) is of an inverted T-shaped structure; the axial both ends of supplementary roller (83) are equipped with connecting plate (86), establish in bar hole (85) through the head card of bolt, and the pole portion of bolt stretches out behind bar hole (85) through connecting plate (86) and through nut locking fixed.
9. The secondary cable stripping tool of claim 6, wherein said guide roller shaft (82) includes a stationary shaft and a rotatable roller, the stationary shaft and the rotatable roller being rotatably coupled by a bearing.
10. The secondary cable stripping tool according to claim 1, wherein the cable slide I (2) and the cable slide II (3) both have an arc plate structure, and the dome surface of the arc plate structure is in contact with the cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911133676.7A CN110707612A (en) | 2019-11-19 | 2019-11-19 | Secondary cable stripping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911133676.7A CN110707612A (en) | 2019-11-19 | 2019-11-19 | Secondary cable stripping tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110707612A true CN110707612A (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911133676.7A Pending CN110707612A (en) | 2019-11-19 | 2019-11-19 | Secondary cable stripping tool |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112928704A (en) * | 2021-02-06 | 2021-06-08 | 全通电缆股份有限公司 | Connector cutting device for cable connection |
| CN113659490A (en) * | 2021-08-19 | 2021-11-16 | 山东里能鲁西矿业有限公司 | Mining cable stripping tool and preparation method thereof |
| CN116914648A (en) * | 2023-09-07 | 2023-10-20 | 国网天津市电力公司电力科学研究院 | Shape-following tool rest for cable stripping and cutting, application and adjusting method |
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| CN116914648A (en) * | 2023-09-07 | 2023-10-20 | 国网天津市电力公司电力科学研究院 | Shape-following tool rest for cable stripping and cutting, application and adjusting method |
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