CN115149465A - Equipment and method for removing cable insulating layer and sheath - Google Patents
Equipment and method for removing cable insulating layer and sheath Download PDFInfo
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- CN115149465A CN115149465A CN202210742853.7A CN202210742853A CN115149465A CN 115149465 A CN115149465 A CN 115149465A CN 202210742853 A CN202210742853 A CN 202210742853A CN 115149465 A CN115149465 A CN 115149465A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims abstract description 170
- 238000000926 separation method Methods 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims description 32
- 239000002184 metal Substances 0.000 claims description 32
- 238000009413 insulation Methods 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000011179 visual inspection Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052744 lithium Inorganic materials 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000012795 verification 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
- H02G1/1263—Machines the cutting element not rotating about the wire or cable making a transverse and longitudinal cut
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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
- H02G1/127—Features relating to cutting elements
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- Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
Abstract
The invention discloses a device and a method for removing a cable insulating layer and a sheath, which comprises a cable accommodating seat and a cable clamping device, wherein the cable clamping device is detachably connected with the cable accommodating seat; the cable clamping device is provided with a height measuring device; the left part of the cable containing seat is also provided with a multifunctional mounting rack, and the multifunctional mounting rack is provided with a cable core in-place detection device or an insulating layer separation blade; blade radial cutting accommodating grooves are vertically formed in the front and back of the middle of the cable accommodating seat, and radial cutting limiting devices are arranged on the left side and the right side of each blade radial cutting accommodating groove; the axial cutting supporting plate is further connected to the upper end face of the cable containing seat in a sliding mode, a blade axial cutting containing groove is formed in the axial cutting supporting plate, and axial cutting limiting devices are arranged on two sides of the blade axial cutting containing groove. The invention can be matched with the existing small lithium battery hand-held electric saw under the condition of no large stripping and cutting equipment, quickly and accurately remove the cable insulating layer and the sheath, and does not damage the inner cable core.
Description
Technical Field
The invention relates to the field of cable accessory manufacturing and construction, in particular to equipment and a method for removing a cable insulating layer and a sheath.
Background
With the rapid development of national socioeconomic, power transmission is important to guarantee the development of economy. Along with the increasing extension of the power grid erection range in China, the cable installation and construction work is more frequent. In the process of cable installation construction, the insulation layer of the cable is often required to be cut or the metal sheath is required to be stripped. For the circular cutting and stripping of the sheath, tools such as a crescent knife, an art knife and the like are mainly used due to the fact that large tools are not convenient to carry during outdoor construction, and the quality of the stripping and cutting is completely controlled by the proficiency and hand feeling of workers. Although the round cutting surface of the outer sheath can be ensured by the crescent knife, the metal sheath on the lower layer of the outer sheath is often damaged in the using process; the utility knife is completely controlled by the hand feeling of the installer, the cutting surface cannot be round, even the round surface is not closed frequently, and in addition, the phenomenon that the metal sheath is damaged due to too hard force of the installer can occur.
For the ring cutting of metal sheaths, it is currently mainly done by means of a hand saw. The metal sheath is corrugated, the roundness and the cutting depth of a cutting surface are difficult to ensure in the process of the drag saw, the labor is wasted, and the conditions of clamping a saw blade, even breaking the saw blade and damaging internal shielding often occur.
Disclosure of Invention
The invention aims to provide a device and a method for removing a cable insulating layer and a sheath, which can be matched with the existing small lithium battery hand-held electric saw to quickly and accurately remove the cable insulating layer and the sheath without damaging an internal cable core under the condition of no large stripping and cutting equipment.
The invention adopts the following technical scheme:
a cable insulation layer and sheath removing device comprises a cable accommodating seat and cable clamping devices arranged at two ends of the cable accommodating seat; the upper end surface of the cable containing seat is provided with a cable containing cavity, and the two cable clamping devices are detachably connected with the cable containing seat; the cable clamping device is provided with a height measuring device; the left part of the cable containing seat is also provided with a multifunctional mounting rack, and the multifunctional mounting rack is provided with a cable core in-place detection device or an insulating layer separation blade; the front and the back of the middle part of the cable containing seat are both vertically provided with blade radial cutting containing grooves, the left and the right sides of each blade containing groove are both provided with radial cutting limiting devices, and the radial cutting limiting devices are connected with the cable containing seat in a vertical sliding manner and are provided with position locking structures; the cable containing seat up end still sliding connection have an axial cutting backup pad, seted up blade axial cutting storage tank in the axial cutting backup pad, the both sides of blade axial cutting storage tank all are provided with axial cutting stop device, axial cutting stop device and axial cutting backup pad be sliding connection from top to bottom and be provided with position locking structure.
The cable containing seat is an integrated or split type cuboid containing seat, and the cable containing cavity is a trapezoidal containing cavity with a V-shaped longitudinal section.
The cable clamping device comprises a front vertical rod and a rear vertical rod which are identical in structure, a clamp holder sliding groove is vertically arranged on the surface of the left side or the right side of each vertical rod, each clamp holder comprises an upper clamp holder and a lower clamp holder, arc-shaped cable accommodating grooves are formed in the surfaces of the opposite sides of the upper clamp holder and the lower clamp holder, and the upper clamp holder and the lower clamp holder clamp and fix the end parts of cables by utilizing the corresponding cable accommodating grooves respectively; the front end and the rear end of the upper holder and the lower holder are both connected with holder sliding rods, and the end parts of the holder sliding rods are provided with sliding blocks matched with holder sliding grooves; the upper holder and the lower holder are connected with a vertical rod provided with a holder sliding groove in a sliding way through a sliding block at the end part of a holder sliding rod; the surface of one side of pole setting is provided with the height scale, and the slider realizes the position locking through position locking structure and holder sliding tray.
The multifunctional mounting rack can be inserted into the inserting holes at a plurality of positions at the left part of the cable containing seat, the multifunctional mounting rack comprises two vertical plates at the front side and the rear side, the opposite sides of the two vertical plates are provided with a transverse frame plate sliding groove, the two ends of the transverse frame plate are in sliding connection in the transverse frame plate sliding groove, the two ends of the transverse frame plate are respectively provided with a linear driving device only with a position locking function, and the linear driving devices drive the transverse frame plate to move up and down; an appliance mounting hole is formed in the middle of the transverse frame plate, and a cable core in-place detection device or an insulating layer separation blade is detachably and vertically arranged in the appliance mounting hole; the cable core in-place detection device adopts a metal conductive rod with a sharp part at the lower part, the upper end part of the metal conductive rod is sequentially connected with a power supply, a warning device and a cable core contact in series through a lead, and the cable core contact is used for being electrically connected with a cable core at the end part of a cable clamped in the clamp holder; when the metal conducting rod is inserted into the cable and contacts with the cable core of the cable, the warning device is electrified to work; the surface of one side of the vertical plate is provided with height scales.
The insulating layer separation blade is regular triangular frustum-shaped, one side edge of the insulating layer separation blade is a cutting edge, and two side surfaces connected with the cutting edge are cambered surfaces extending outwards.
The radial cutting limiting device comprises radial limiting chutes and radial limiting plates in sliding connection with the radial limiting chutes, the radial limiting plates are locked with the radial limiting chutes through position locking structures, the two radial limiting chutes are respectively arranged on two sides of the radial cutting accommodating groove of the blade, and height scales are arranged on one side surfaces of the radial limiting chutes; the distance between the two radial limiting plates is matched with the distance between the two side guard plates of the handheld electric saw blade, and the two radial limiting plates are used for supporting the two side guard plates of the handheld electric saw blade.
The axial cutting support plate comprises a support plate body matched with the cable containing seat in a front-back distance mode and support plate limiting blocks which extend downwards at the front end and the rear end of the support plate body, and the two support plate limiting blocks are respectively clamped on the front side and the rear side of the upper end of the cable containing seat.
The axial cutting limiting device comprises an axial through hole and axial limiting plates, the axial through hole is formed in two sides of the blade axial cutting accommodating groove, the axial through hole is internally penetrated with the L-shaped axial limiting plate in a penetrating and sliding connection mode, and the axial limiting plates are locked with the axial through hole through a position locking structure; the horizontal plates of the axial limiting plates in the two axial cutting limiting devices on the two sides of the blade axial cutting accommodating groove are oppositely arranged, the distance between the horizontal plates in the two axial limiting plates is matched with the distance between the two side guard plates of the handheld electric saw blade, the horizontal plates of the two axial limiting plates are used for supporting the two side guard plates of the handheld electric saw blade, and one side surface of each axial limiting plate is provided with a height scale; the distance between the horizontal plates in the two axial limiting plates is smaller than the width of the blade axial cutting accommodating groove.
The position locking structure is locked by adopting bolt screw holes, and the linear driving device adopts a linear stepping motor or an electric screw rod.
A cable insulation and sheath removal method implemented by the apparatus of any one of claims 1 to 9, comprising the following steps in sequence:
a: placing the cable to be cut in a cable accommodating cavity of the cable accommodating seat;
b: installing cable clamping devices, and respectively clamping two ends of a cable in the cable accommodating seat through the two installed cable clamping devices to realize the position stability of the cut cable;
c: determining the thickness of an insulating layer of the cable to be cut by visual inspection or by using the position of a sliding rod of a clamp in the cable clamping device and combining height scales;
d: selecting a proper position to install the multifunctional mounting rack and the metal conducting rod, utilizing the linear driving device to drive the metal conducting rod to be gradually inserted into the cable insulating layer, and observing a working signal of the warning device; stopping the descending of the metal conducting rod after the warning device sends out a working signal, and determining the thickness of the insulating layer at the position by observing the initial position and the descending height of the metal conducting rod; if the thickness error of the insulating layer measured at multiple positions of the cable is not more than 0.3cm, cutting according to the thickness data as initial cutting thickness data; if the thickness of the insulating layer measured at multiple positions of the cable has a phenomenon that the error is more than 0.3cm, cutting by taking the measured minimum thickness as initial cutting thickness data;
e: the height of a radial limiting plate in the radial cutting limiting device is adjusted by utilizing the initial cutting thickness data and combining the height difference between the blade of the used handheld electric saw and the guard plates on the two sides, so that the cutting thickness of the blade of the handheld electric saw is consistent with the initial cutting thickness data, then the blade of the handheld electric saw is inserted into a radial cutting accommodating groove, the guard plates on the two sides of the blade of the handheld electric saw are limited by utilizing the radial limiting plate, and the handheld electric saw is used for cutting an insulating layer at the upper end of a cable to be cut; then, the cable to be cut is rotated successively, and the circumferential cutting of the insulating layer of the cable to be cut is finally completed;
f: the method comprises the steps that initial cutting thickness data are utilized, the height of an axial limiting plate in an axial cutting supporting plate is adjusted according to the height difference between a blade of a used handheld electric saw and two side protecting plates, the cutting thickness of the blade of the handheld electric saw is enabled to be consistent with the initial cutting thickness data, then the blade of the handheld electric saw is inserted into an axial cutting accommodating groove of the blade, a multifunctional mounting frame is detached, the axial limiting plate is utilized to limit the two side protecting plates of the blade of the handheld electric saw, the axial cutting supporting plate is moved repeatedly in the axial direction of a cable to be cut, and an insulating layer at the upper end of the cable to be cut is axially cut through the handheld electric saw;
g: reinstalling the multifunctional mounting rack and the insulating layer separation blade, adjusting the height of the lower end of the insulating layer separation blade according to the height scale and the initial cutting thickness data to enable the cutting thickness of the insulating layer separation blade to be consistent with the initial cutting thickness data, then moving the cable to be cut after the cable is cut along the axial direction to enable the cutting edge of the insulating layer separation blade to enter from the axial cut of the cable to be cut, and separating the insulating layers on the two sides by using the insulating layer separation blade;
f: and observing whether the removal of the insulating layer is successfully completed or not, and if not, performing adaptive trimming by using a knife.
According to the invention, the cable holding seat and the cable clamping device are utilized to continuously clamp and fix the cable, the measurement and verification of the thickness of the insulating layer are quickly and accurately realized through the height measuring device and the cable core in-place detecting device, and then the radial cutting limiting device and the axial cutting limiting device are adjusted according to the obtained thickness data, so that the cable insulating layer and the sheath can be quickly and accurately removed by matching with the existing small lithium battery handheld electric saw under the condition of no large-scale stripping and cutting equipment outdoors without damaging the inner cable core.
The invention can ensure that the cutting surface of the outer sheath is round and round, and the metal sheath on the lower layer of the outer sheath is not damaged; and the rounding of the cutting surface and the accuracy of the cutting depth can be ensured, and the working strength of workers is greatly reduced.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic structural view of the cable seat of the present invention;
FIG. 3 is a schematic view of the structure of an insulation layer separating blade;
FIG. 4 is a schematic cross-sectional view of an axial cutting support plate;
fig. 5 is a schematic structural view of an axial cutting support plate. .
Detailed Description
The invention is described in detail below with reference to the following figures and examples:
as shown in fig. 1 to 5, the cable insulation layer and sheath removing apparatus according to the present invention includes a cable housing seat 1 and cable clamping devices 2 disposed at both ends of the cable housing seat 1; the upper end surface of the cable containing seat 1 is provided with a cable containing cavity 3 for containing a cable to be cut; the cable clamping device 2 is used for clamping two ends of a cable in the cable containing seat 1 and keeping the position of the cable stable in the measuring or cutting process.
In this embodiment, the cable accommodating seat 1 is an integrated or split type rectangular accommodating seat, and the two cable holding devices are detachably connected to the cable accommodating seat 1, so that the two cable holding devices are convenient to detach and carry. The cable accommodating cavity 3 is a trapezoidal accommodating cavity with a V-shaped longitudinal section, and can clamp various cables with different outer diameters to ensure the stability of the cables, so that the practicability of the cable clamping device is improved. The cable clamping device 2 is provided with a height measuring device for measuring the end of the cable so as to determine the thickness of the outer insulating layer or the position of the sheath more accurately and prevent the damage of the cable core caused by excessive cutting.
In the embodiment, the cable clamping device 2 comprises a front vertical rod 4 and a rear vertical rod 4 which are identical in structure, a clamp holder sliding groove is vertically arranged on the left side surface or the right side surface of each vertical rod 4, each clamp holder comprises an upper clamp holder 5 and a lower clamp holder 6, and arc-shaped cable accommodating grooves are formed in the surfaces of the opposite sides of the upper clamp holder 5 and the lower clamp holder 6 so as to be matched with the outer surface shape of a cable; the upper clamp 5 and the lower clamp 6 respectively utilize the corresponding cable accommodating grooves to clamp and fix the end parts of the cables; the front end and the rear end of the upper clamp holder 5 and the lower clamp holder 6 are both connected with clamp holder sliding rods 7, and the end parts of the clamp holder sliding rods 7 are provided with sliding blocks matched with the clamp holder sliding grooves; with upper and lower grippers 5, 6 passing by the ends of gripper slide rods 7 the sliding block is connected with the vertical rod 4 provided with a sliding groove of the holder in a sliding way; the surface of one side of the upright stanchion 4 is provided with a height scale 8, the height scale 8 and the position of the gripper sliding rod 7 are combined together, and a height measuring device is formed, so that the thickness of the outer insulating layer or the position of the sheath can be conveniently determined by a worker. The slide block realizes position locking through a position locking structure and a clamp holder slide groove so as to realize clamping and fixing of the cable after measurement.
In the invention, the left part of the cable containing seat 1 is also provided with a multifunctional mounting rack 9, and the multifunctional mounting rack 9 is provided with a cable core in-place detection device or an insulating layer separation blade 10. The cable core in-place detection device is used for assisting in confirming whether the position of the cable core under the insulating layer sheath is consistent with the data measured by the height measurement device or not so as to further confirm the thickness of the outer insulating layer or the position of the sheath.
In this embodiment, the multifunctional mounting rack 9 can be inserted into the jacks at multiple positions on the left of the cable accommodating seat 1 to realize position change. The multifunctional mounting rack 9 comprises two vertical plates 11 at the front side and the rear side, wherein a transverse frame plate sliding groove is formed in the opposite side of each vertical plate 11, two ends of each transverse frame plate 12 are connected in the transverse frame plate sliding groove in a sliding mode, linear driving devices with position locking functions are arranged at two ends of each transverse frame plate 12, and the linear driving devices drive the transverse frame plates 12 to move up and down; an appliance mounting hole is formed in the middle of the transverse frame plate 12, and a cable core in-place detection device or an insulating layer separation blade 10 is detachably and vertically arranged in the appliance mounting hole. In the invention, the cable core in-place detection device adopts a metal conducting rod 13 with a sharp part at the lower part, the upper end part of the metal conducting rod 13 is sequentially connected with a power supply, a warning device 14 and a cable core contact in series through a lead, and the cable core contact is used for being electrically connected with a cable end part cable core clamped in a clamp holder; when the metal conducting rod 13 is inserted into the cable and contacts with the cable core, the warning device 14 is powered on to work; the surface of one side of the vertical plate 11 is provided with a height scale 8. The linear driving device can adopt a linear stepping motor or an electric screw. The linear stepping motor or the electric screw can realize position self-locking.
When the device is used, the linear driving device can gradually drive the metal conducting rod 13 with the sharp part at the lower part to be inserted into the cable insulating layer, and when the metal conducting rod 13 penetrates through the cable and contacts with the cable core of the cable, the warning device 14 is electrified to work; at the moment, the worker can judge the descending distance of the metal conducting rod 13 through the height scales 8 arranged on the surface of one side of the vertical plate 11, so that the thickness of the outer insulating layer or the position of the sheath can be determined.
In the embodiment, the insulating layer can not be accurately and completely cut through the handheld electric saw with the small lithium battery, so that the insulating layer separating blade 10 is used for further cutting along the cut radial opening of the handheld electric saw with the small lithium battery in the process of advancing the cable, and meanwhile, the cut insulating layer is driven to two sides by the thickness of the insulating layer separating blade 10, so that subsequent removal is facilitated. Insulating layer separation blade 10 is regular triangular platform form, and one of them side is stupefied to be cutting edge 15, and two sides of being connected with cutting edge 15 are the cambered surface 16 of outside extension, and cambered surface 16 can play the effect of effectively separating to both sides to the insulating layer.
Blade radial cutting accommodating grooves 17 are vertically formed in the front and back of the middle of the cable accommodating seat 1, radial cutting limiting devices are arranged on the left and right sides of each blade radial cutting accommodating groove 17, and the radial cutting limiting devices are connected with the cable accommodating seat 1 in an up-and-down sliding mode and provided with position locking structures; the blade radial cutting storage tank 17 and the radial cutting stop device can accurately support the two side guard plates supporting the handheld electric saw blade according to the detected thickness data of the insulating layer, so that the cutting depth of the handheld electric saw blade is consistent with the thickness of the insulating layer.
In this embodiment, the blade radial cutting limiting device 17 includes a radial limiting sliding groove 18 and a radial limiting plate 19 slidably connected to the radial limiting sliding groove 18, the radial limiting plate 19 is locked to the radial limiting sliding groove 18 through a position locking structure, the two radial limiting sliding grooves 18 are respectively disposed on two sides of the blade radial cutting accommodating groove 17, a height scale 20 is disposed on a surface of one side of each radial limiting sliding groove 18, and the radial limiting plate 19 may be in a shape of a Chinese character 'tu'; the distance between the two radial limiting plates 19 is matched with the distance between the two side guard plates of the handheld electric saw blade, and the two radial limiting plates 19 are used for supporting the two side guard plates of the handheld electric saw blade. Through the height of the radial limiting plate 19 of adjustment, combine the both sides backplate of handheld electric saw blade and the interval of blade lower extreme, adjust the back according to the insulating layer thickness that detects, can protect the both sides of handheld electric saw blade and place on radial limiting plate 19, make handheld electric saw blade cut the cable upper end insulating layer in the radial cutting storage tank 17 of blade.
In the invention, the upper end face of the cable containing seat 1 is also connected with an axial cutting supporting plate 21 in a sliding manner, a blade axial cutting containing groove 22 is formed in the axial cutting supporting plate 21, axial cutting limiting devices are arranged on two sides of the blade axial cutting containing groove 22, and the axial cutting limiting devices are connected with the axial cutting supporting plate 21 in a vertical sliding manner and are provided with position locking structures. The axial cutting support plate 21 is used for stably supporting the handheld electric saw, and then the insulation layer is cut along the axial direction of the cable through the sliding of the axial cutting support plate 21 on the upper end face of the cable containing seat 1, so that the labor intensity of workers is greatly reduced.
In this embodiment, the axial cutting support plate 21 includes a support plate body 21-1 adapted to the front-rear distance of the cable accommodating seat 1 and support plate stoppers 21-2 extending downward from the front and rear ends of the support plate body 21-1, the two support plate stoppers 21-2 are respectively clamped at the front and rear sides of the upper end of the cable accommodating seat 1, and the two support plate stoppers 21-2 can ensure that the handheld electric saw moves axially along the cable along with the axial cutting support plate 21, thereby ensuring a stable cutting depth and improving a cutting effect. The axial cutting limiting device comprises an axial through hole and axial limiting plates 24, the axial through hole is formed in two sides of the blade axial cutting accommodating groove 22, the axial limiting plates 24 are arranged in the axial through hole in a penetrating mode and connected with the axial through hole in an L-shaped sliding mode, and the axial limiting plates 24 are locked with the axial through hole in a position locking mode through position locking structures 25; the horizontal plates of the axial limiting plates 24 in the two axial cutting limiting devices on the two sides of the blade axial cutting accommodating groove 22 are arranged oppositely, the distance between the horizontal plates in the two axial limiting plates 24 is matched with the distance between the two side guard plates of the handheld electric saw blade, the horizontal plates of the two axial limiting plates 24 are used for supporting the two side guard plates of the handheld electric saw blade, and one side surface of each axial limiting plate 24 is provided with height scales. During the cutting, through the height of adjustment axial limiting plate 24, combine the both sides backplate and the interval of blade lower extreme of handheld electric saw blade, adjust the back according to the insulating layer thickness that detects, can protect the both sides of handheld electric saw blade and place on axial limiting plate 24, then drive the slip of handheld electric saw blade at 1 up end of cable containing seat through axial cutting backup pad 21, the cable axial along the line cuts the insulating layer.
In order to ensure the stable support of the guard plates at the two sides of the blade of the handheld electric saw, the distance between the horizontal plates in the two axial limiting plates 24 is smaller than the width of the blade axial cutting accommodating groove 22.
In the invention, the position locking structure can be directly locked by adopting the bolt screw hole or limited by the bolt screw hole, and finally the position stability of the corresponding structure is realized. The position locking structure is conventional in the art and will not be described in detail herein.
In the invention, the method for removing the cable insulating layer and the sheath by using the cable insulating layer and sheath removing equipment sequentially comprises the following steps:
a: placing the cable to be cut in the cable accommodating cavity 3 of the cable accommodating seat 1;
b: installing the cable clamping devices 2, and respectively clamping two ends of the cable in the cable containing seat 1 through the two installed cable clamping devices 2 to realize the position stability of the cable with cutting;
c: the thickness of the insulation layer of the cable to be cut is determined visually or by using the position of the gripper sliding rod 7 in the cable gripping device 2 in combination with the height scale 8;
d: selecting a proper position to install the multifunctional mounting rack 9 and the metal conducting rod 13, driving the metal conducting rod 13 to be gradually inserted into the cable insulating layer by using a linear driving device, and observing a working signal of the warning device 14; when the warning device 14 sends a working signal, the metal conducting rod 13 stops descending, and the thickness of the insulating layer at the position is determined by observing the initial position and the descending height of the metal conducting rod 13; if the thickness errors of the insulating layers measured at multiple positions of the cable are not more than 0.3cm, cutting according to the thickness data as initial cutting thickness data; if the thickness of the insulating layer measured at multiple positions of the cable has a phenomenon that the error is more than 0.3cm, cutting by taking the measured minimum thickness as initial cutting thickness data;
e: adjusting the height of a radial limiting plate 19 in the radial cutting limiting device by utilizing the initial cutting thickness data and combining the height difference between the blade of the used handheld electric saw and the two side guard plates to ensure that the cutting thickness of the blade of the handheld electric saw is consistent with the initial cutting thickness data, then inserting the blade of the handheld electric saw into a radial cutting accommodating groove, limiting the two side guard plates of the blade of the handheld electric saw by utilizing the radial limiting plate 19, and cutting the insulating layer at the upper end of the cable to be cut by using the handheld electric saw; then, the cable to be cut is rotated successively, and finally, the cable insulating layer to be cut is cut in the circumferential direction;
f: the height of an axial limiting plate 24 in the axial cutting supporting plate 21 is adjusted by utilizing the initial cutting thickness data and combining the height difference between a blade of the used handheld electric saw and the two side protecting plates, so that the cutting thickness of the blade of the handheld electric saw is consistent with the initial cutting thickness data, then the blade of the handheld electric saw is inserted into the blade axial cutting accommodating groove 22, the multifunctional mounting frame 9 is detached, the two side protecting plates of the blade of the handheld electric saw are limited by utilizing the axial limiting plate 24, the axial cutting supporting plate 21 is repeatedly moved along the axial direction of the cable to be cut, and the insulating layer at the upper end of the cable to be cut is axially cut by the handheld electric saw;
g: reinstalling the multifunctional mounting rack 9 and the insulating layer separation blade 10, adjusting the height of the lower end of the insulating layer separation blade 10 according to the height scale 8 and the initial cutting thickness data to enable the cutting thickness of the insulating layer separation blade 10 to be consistent with the initial cutting thickness data, then moving the cable to be cut after the cable is cut along the axial direction, enabling the cutting edge 15 of the insulating layer separation blade 10 to enter from the axial cut of the cable to be cut, and separating the insulating layers on two sides by using the insulating layer separation blade 10;
f: and observing whether the removal of the insulating layer is successfully completed or not, and if not, performing adaptive finishing by using a knife.
The cutting of the metal sheath is consistent with the cutting of the insulating layer, and the description is omitted here.
The invention utilizes simple tools, can be matched with the existing small lithium battery hand-held electric saw under the condition of no large stripping and cutting equipment outdoors, can quickly and accurately remove the cable insulating layer and the sheath, and does not damage the inner cable core.
The invention can ensure that the cutting surface of the outer sheath is round and round, and the metal sheath on the lower layer of the outer sheath is not damaged; and the rounding of the cutting surface and the accuracy of the cutting depth can be ensured, and the working strength of workers is greatly reduced.
Claims (10)
1. The utility model provides a cable insulating layer and sheath remove equipment which characterized in that: comprises a cable containing seat and cable clamping devices arranged at two ends of the cable containing seat; the upper end surface of the cable containing seat is provided with a cable containing cavity, and the two cable clamping devices are detachably connected with the cable containing seat; the cable clamping device is provided with a height measuring device; the left part of the cable containing seat is also provided with a multifunctional mounting rack, and the multifunctional mounting rack is provided with a cable core in-place detection device or an insulating layer separation blade; the front and the back of the middle part of the cable containing seat are both vertically provided with blade radial cutting containing grooves, the left and the right sides of each blade radial cutting containing groove are both provided with radial cutting limiting devices, and the radial cutting limiting devices are connected with the cable containing seat in a vertical sliding manner and are provided with position locking structures; the cable containing seat up end still sliding connection have an axial cutting backup pad, seted up blade axial cutting storage tank in the axial cutting backup pad, the both sides of blade axial cutting storage tank all are provided with axial cutting stop device, axial cutting stop device and axial cutting backup pad be sliding connection from top to bottom and be provided with position locking structure.
2. The cable insulation and jacket removal device of claim 1, wherein: the cable containing seat is an integrated or split type cuboid containing seat, and the cable containing cavity is a trapezoidal containing cavity with a V-shaped longitudinal section.
3. The cable insulation and jacket removal device of claim 1, wherein: the cable clamping device comprises a front vertical rod and a rear vertical rod which are identical in structure, a clamp holder sliding groove is vertically arranged on the surface of the left side or the right side of each vertical rod, each clamp holder comprises an upper clamp holder and a lower clamp holder, arc-shaped cable accommodating grooves are formed in the surfaces of the opposite sides of the upper clamp holder and the lower clamp holder, and the upper clamp holder and the lower clamp holder clamp and fix the end parts of cables by utilizing the corresponding cable accommodating grooves respectively; the front end and the rear end of the upper holder and the lower holder are both connected with holder sliding rods, and the end parts of the holder sliding rods are provided with sliding blocks matched with holder sliding grooves; the upper holder and the lower holder are connected with a vertical rod provided with a holder sliding groove in a sliding manner through a sliding block at the end part of a holder sliding rod; the surface of one side of pole setting is provided with the height scale, and the slider realizes the position locking through position locking structure and holder sliding tray.
4. The cable insulation and jacket removal device of claim 1, wherein: the multifunctional mounting rack can be inserted into the insertion holes at a plurality of positions at the left part of the cable containing seat, the multifunctional mounting rack comprises two vertical plates at the front side and the rear side, the opposite sides of the two vertical plates are provided with transverse frame plate sliding grooves, the two ends of the transverse frame plate are in sliding connection in the transverse frame plate sliding grooves, the two ends of the transverse frame plate are both provided with linear driving devices with position locking functions, and the linear driving devices drive the transverse frame plate to move up and down; an appliance mounting hole is formed in the middle of the transverse frame plate, and a cable core in-place detection device or an insulating layer separation blade is detachably and vertically arranged in the appliance mounting hole; the cable core in-place detection device adopts a metal conductive rod with a sharp part at the lower part, the upper end part of the metal conductive rod is sequentially connected with a power supply, a warning device and a cable core contact in series through a lead, and the cable core contact is used for being electrically connected with a cable core at the end part of a cable clamped in the clamp holder; when the metal conducting rod is inserted into the cable and contacts with the cable core of the cable, the warning device is electrified to work; the surface of one side of the vertical plate is provided with height scales.
5. The cable insulation and jacket removal device of claim 1, wherein: the insulating layer separation blade is regular triangular frustum-shaped, one side edge is a cutting edge, and two side surfaces connected with the cutting edge are outwards extending cambered surfaces.
6. The cable insulation and jacket removal apparatus of claim 1, wherein: the radial cutting limiting device comprises radial limiting chutes and radial limiting plates in sliding connection with the radial limiting chutes, the radial limiting plates are locked with the radial limiting chutes through position locking structures, the two radial limiting chutes are respectively arranged on two sides of the radial cutting accommodating groove of the blade, and height scales are arranged on one side surfaces of the radial limiting chutes; the distance between the two radial limiting plates is matched with the distance between the two side guard plates of the handheld electric saw blade, and the two radial limiting plates are used for supporting the two side guard plates of the handheld electric saw blade.
7. The cable insulation and jacket removal device of claim 1, wherein: the axial cutting support plate comprises a support plate body matched with the cable containing seat in a front-back distance mode and support plate limiting blocks which extend downwards at the front end and the rear end of the support plate body, and the two support plate limiting blocks are respectively clamped on the front side and the rear side of the upper end of the cable containing seat.
8. The cable insulation and jacket removal device of claim 1, wherein: the axial cutting limiting device comprises an axial through hole and axial limiting plates, the axial through hole is formed in two sides of the blade axial cutting accommodating groove, the axial through hole is internally penetrated with the L-shaped axial limiting plate in a penetrating and sliding connection mode, and the axial limiting plates are locked with the axial through hole through a position locking structure; the horizontal plates of the axial limiting plates in the two axial cutting limiting devices on the two sides of the blade axial cutting accommodating groove are oppositely arranged, the distance between the horizontal plates in the two axial limiting plates is matched with the distance between the two side guard plates of the handheld electric saw blade, the horizontal plates of the two axial limiting plates are used for supporting the two side guard plates of the handheld electric saw blade, and one side surface of each axial limiting plate is provided with a height scale; the distance between the horizontal plates in the two axial limiting plates is smaller than the width of the blade axial cutting accommodating groove.
9. The cable insulation and jacket removal device of claim 4, wherein: the position locking structure is locked by a bolt screw hole, and the linear driving device adopts a linear stepping motor or an electric screw rod.
10. A cable insulation and sheath removal method implemented with the apparatus of any one of claims 1 to 9, characterized by comprising the following steps in sequence:
a: placing the cable to be cut in a cable accommodating cavity of the cable accommodating seat;
b: installing cable clamping devices, and respectively clamping two ends of a cable in the cable containing seat through the two installed cable clamping devices to realize the position stability of the cable with the cutting function;
c: determining the thickness of the insulating layer of the cable to be cut by visual inspection or by using the position of a clamp holder sliding rod in the cable clamping device and combining a height scale;
d: selecting a proper position to install the multifunctional mounting rack and the metal conducting rod, utilizing the linear driving device to drive the metal conducting rod to be gradually inserted into the cable insulating layer, and observing a working signal of the warning device; stopping the descending of the metal conducting rod after the warning device sends out a working signal, and determining the thickness of the insulating layer at the position by observing the initial position and the descending height of the metal conducting rod; if the thickness errors of the insulating layers measured at multiple positions of the cable are not more than 0.3cm, cutting according to the thickness data as initial cutting thickness data; if the thickness of the insulating layer measured at multiple positions of the cable has a phenomenon that the error is more than 0.3cm, cutting by taking the measured minimum thickness as initial cutting thickness data;
e: the height of a radial limiting plate in the radial cutting limiting device is adjusted by utilizing the initial cutting thickness data and combining the height difference between the blade of the used handheld electric saw and the guard plates on the two sides, so that the cutting thickness of the blade of the handheld electric saw is consistent with the initial cutting thickness data, then the blade of the handheld electric saw is inserted into a radial cutting accommodating groove, the guard plates on the two sides of the blade of the handheld electric saw are limited by utilizing the radial limiting plate, and the handheld electric saw is used for cutting an insulating layer at the upper end of a cable to be cut; then, the cable to be cut is rotated successively, and finally, the cable insulating layer to be cut is cut in the circumferential direction;
f: the method comprises the steps that initial cutting thickness data are utilized, the height of an axial limiting plate in an axial cutting supporting plate is adjusted according to the height difference between a blade of a used handheld electric saw and two side protecting plates, the cutting thickness of the blade of the handheld electric saw is enabled to be consistent with the initial cutting thickness data, then the blade of the handheld electric saw is inserted into an axial cutting accommodating groove of the blade, a multifunctional mounting frame is detached, the axial limiting plate is utilized to limit the two side protecting plates of the blade of the handheld electric saw, the axial cutting supporting plate is moved repeatedly in the axial direction of a cable to be cut, and an insulating layer at the upper end of the cable to be cut is axially cut through the handheld electric saw;
g: reinstalling the multifunctional mounting rack and the insulating layer separation blade, adjusting the height of the lower end of the insulating layer separation blade according to the height scale and the initial cutting thickness data to enable the cutting thickness of the insulating layer separation blade to be consistent with the initial cutting thickness data, then moving the cable to be cut after the cable is cut along the axial direction to enable the cutting edge of the insulating layer separation blade to enter from the axial cut of the cable to be cut, and separating the insulating layers on the two sides by using the insulating layer separation blade;
f: and observing whether the removal of the insulating layer is successfully completed or not, and if not, performing adaptive finishing by using a knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210742853.7A CN115149465A (en) | 2022-06-28 | 2022-06-28 | Equipment and method for removing cable insulating layer and sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210742853.7A CN115149465A (en) | 2022-06-28 | 2022-06-28 | Equipment and method for removing cable insulating layer and sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115149465A true CN115149465A (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210742853.7A Withdrawn CN115149465A (en) | 2022-06-28 | 2022-06-28 | Equipment and method for removing cable insulating layer and sheath |
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| Country | Link |
|---|---|
| CN (1) | CN115149465A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116260080A (en) * | 2022-12-14 | 2023-06-13 | 国网浙江省电力有限公司舟山供电公司 | Handheld cable peeler |
-
2022
- 2022-06-28 CN CN202210742853.7A patent/CN115149465A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116260080A (en) * | 2022-12-14 | 2023-06-13 | 国网浙江省电力有限公司舟山供电公司 | Handheld cable peeler |
| CN116260080B (en) * | 2022-12-14 | 2023-11-07 | 国网浙江省电力有限公司舟山供电公司 | Handheld cable peeler |
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