CN219106935U

CN219106935U - Electric electrified wire stripper

Info

Publication number: CN219106935U
Application number: CN202320134996.XU
Authority: CN
Inventors: 干习武; 闵盛; 钟亮; 澎博; 周礼俊
Original assignee: Jiujiang Power Supply Branch Of State Grid Jiangxi Electric Power Co ltd; State Grid Corp of China SGCC
Current assignee: Jiujiang Power Supply Branch Of State Grid Jiangxi Electric Power Co ltd; State Grid Corp of China SGCC
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-05-30
Anticipated expiration: 2033-02-07

Abstract

The utility model discloses an electric wire stripper which comprises a shell, wherein a notch for a cable to enter is formed in one side of the shell, an upper blade and a lower blade are respectively and correspondingly arranged on the upper part and the lower part of the shell, and a guiding moving mechanism for driving the lower blade to be close to the upper blade to form occlusion is arranged in the shell. The utility model improves the cutting mode of the cutter head, directly changes the original spiral feeding mode into the occlusion cutting mode, greatly reduces the feeding distance of the cutter blade and improves the peeling rate of the cable.

Description

Electric electrified wire stripper

Technical Field

The utility model belongs to the field, and particularly relates to an electric electrified wire stripper.

Background

When overhead power conductors are connected, the main line needs to be peeled off to expose the wire core. At present, the peeling device is generally operated manually or by a worker to perform semi-automatic work. By adopting a manual mode, workers are required to work aloft, so that safety risks exist, and if the workers meet the conditions of live working and the like, the safety risks are further increased. In order to ensure personal safety of staff and improve the working rate, the scheme of adopting the staff to operate the peeling device to carry out cable peeling operation currently has, and current peeling device generally adopts and surrounds the cable to carry out spiral cutting, needs the tool bit travel distance longer, and consequently peeling rate is slower, influences work efficiency.

Disclosure of Invention

The utility model aims to provide an electric live wire stripper which can be used for live wire operation and greatly improves the wire stripping speed of a cable.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides an electronic electrified wire stripper, includes the casing, and the breach that supplies the cable to get into is seted up to casing one side, corresponds respectively to be provided with upper portion blade and lower part blade in the upper and lower part of casing to be provided with the guide movable mechanism that drives lower part blade and upper portion blade and press close to form the interlock in the casing.

Further, the upper blade comprises a longitudinal cutting blade and two annular cutting blades, the annular cutting blades are respectively arranged at two ends of the longitudinal cutting blade, and the annular cutting blades are inwards concavely provided with arc-shaped knife edges.

Further, the diameter of the arc-shaped blade is consistent with that of the fiber core, and the lowest point of the longitudinal cutting blade and the arc-shaped blade is horizontally consistent.

Further, the lower blade is topologically consistent with the upper blade.

Further, the longitudinal cutting blade is a segmented blade with a plurality of segments, and at least one segment of segmented blade is rotatably arranged on the upper part of the notch through a rotary reset mechanism.

Further, the upper blade is detachably arranged at the upper part of the notch through the blade base.

Further, rotatory canceling release mechanical system includes the pivot, the torsional spring, stir piece and pull rod, the rotary groove has been seted up on the blade base, the pivot is installed in the rotary groove, sectional type blade setting is in the pivot, the torsional spring cover is established in the pivot, the mounting groove has been seted up to rotary groove one side, stir the piece and set up in the mounting groove through the round pin axle is rotatable, stir the piece lower part and set up the arch, stir the piece and be provided with first couple in one side of keeping away from the blade, the pull rod is installed on direction movable mechanism, seted up on the pull rod with first couple complex hole.

Further, the guiding movable mechanism comprises a gear motor, a screw and a guide seat, guide grooves are formed in the inner walls of two sides of the shell at the lower part of the notch, two sides of the guide seat are erected in the guide grooves, a sleeve is arranged at the lower part of the guide seat, the screw is installed in the shell through a bearing matched bearing seat, one end of the screw is inserted in the sleeve, the other end of the screw is connected with the gear motor in a transmission mode, a nut is arranged on the screw, and the nut is fixedly connected with the sleeve.

Further, the device also comprises a skin removing mechanism, wherein the skin removing mechanism is arranged on the guiding movable mechanism, the skin removing mechanism comprises two support columns, a space for a cable to enter and exit is reserved between the two support columns, the suspended ends of the two support columns are provided with elastic sheets in an extending mode towards the opposite surfaces of the two support columns, and the end portions of the elastic sheets are provided with second hooks in a downward extending mode.

Further, the ends of the two second hooks are close to each other.

Compared with the prior art, the utility model has the following beneficial effects: 1. the utility model improves the cutting mode of the cutter head, directly changes the original spiral feeding mode into the occlusion cutting mode, greatly reduces the feeding distance of the cutter blade and improves the peeling rate of the cable. 2. After the cutting is completed, the cable sheath after the cutting is completed can be opened by rotating one section of the sectional type knife, so that the cable sheath is separated from the cable core and directly falls off, and the success of one-time cutting is effectively ensured. 3. After the cutting is finished, the cable sheath can be peeled off through the sheath removing mechanism, so that the service life of the cable sheath cutting device is prolonged, and the cable sheath can be accurately cut and separated from the cable core.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a partial cross-sectional view of the general A-A of FIG. 1;

FIG. 3 is a right side view of the structure of the present utility model;

FIG. 4 is a partial cross-sectional view of B-B in FIG. 3;

FIG. 5 is an enlarged view of portion A of FIG. 2;

FIG. 6 is an enlarged view of portion B of FIG. 2;

FIG. 7 is a schematic diagram of the operation of the segmented blade of the present utility model;

FIG. 8 is a schematic view of a segmented blade rotation process according to the present utility model;

in the figure: 1. the cutting machine comprises a shell, 2 parts, 3 parts of upper blades, 31 parts of longitudinal cutting blades, 32 parts of circular cutting blades, 33 parts of arc-shaped cutting edges, 34 parts of segmented blades, 4 parts of blade bases, 5 parts of lower blades, 61 parts of a speed reducing motor, 62 parts of a screw rod, 63 parts of a guide seat, 64 parts of a guide groove, 65 parts of a sleeve, 66 parts of a bearing seat, 67 parts of a nut, 71 parts of a rotating shaft, 72 parts of a toggle block, 73 parts of a pull rod, 74 parts of a rotating groove, 75 parts of a mounting groove, 76 parts of a first hook, 77 parts of a hole, 78 parts of a torsion spring, 81 parts of a support column, 82 parts of an elastic piece, 83 parts of a second hook and 9 parts of a limiting support.

Detailed Description

Referring to fig. 1-3, an electric live wire stripper comprises a housing 1, wherein a notch 2 for a cable to enter is formed in one side of the housing 1, an upper blade 3 and a lower blade 5 are respectively and correspondingly arranged on the upper side and the lower side of the housing 1, and a guiding movable mechanism for driving the lower blade 5 to be close to the upper blade 3 to form engagement is arranged in the housing 1. The utility model improves the knife edge cutting mode, directly changes the original spiral feeding mode into the occlusion cutting mode, greatly reduces the feeding distance of the blade and improves the peeling rate of the cable.

In order to ensure that the cable stripping can be cut in place at one time, the upper blade 3 comprises a longitudinal cutting blade 31 and two annular cutting blades 32, the annular cutting blades 32 are respectively arranged at two ends of the longitudinal cutting blade 31, and the annular cutting blades 32 are inwards concavely provided with arc-shaped knife edges 33. In the cutting process, the lower blade 5 is driven by the guiding and moving mechanism to move upwards to be meshed with the upper blade 3, and the two annular cutter blades 32 of the upper blade 3 and the lower blade 5 are meshed to form a whole circle to cut off the cable sheath along the circumferential direction. The lower blade 5 is in topological consistency with the upper blade 3, so that a small section of cable sheath with the distance between the two annular cutter blades 32 can be cut after the upper blade 3 and the lower blade 5 are meshed, and then the upper part and the lower part of the cable sheath are cut along the axial direction by the longitudinal cutter blade 31, so that the cable sheath is separated into two halves and separated from the wire core, and further the wire stripping operation is realized.

In the process of cutting the cable sheath, if the annular cutter blade 32 and the longitudinal cutter blade 31 are matched with errors, the cable sheath is adhered after being cut, so that the arc-shaped blade 33 and the fiber core diameter can be designed to be consistent, the blade edge of the longitudinal cutter blade 31 and the lowest point of the arc-shaped blade 33 are horizontally consistent, the possibility of adhesion is avoided after the cable sheath is cut, and the cutting can be completed at one time.

The general cable is flexible, so its outer rubber material that generally adopts possesses the flexible characteristic, and the phenomenon of embracing on the sinle silk can appear after the cutting, consequently can be with the sectional type blade 34 of slitter blade 31 a plurality of sections, at least one section sectional type blade 34 is rotatable through rotatory canceling release mechanical system sets up in breach 2 upper portion, after the cutting is accomplished, can make it can strut the cable crust after the cutting is accomplished, makes it break away from the sinle silk and directly drops, and then effectively guarantees disposable cutting success.

Wherein, upper blade 3 passes through blade base 4 detachable setting and is in breach 2 upper portion, and then makes things convenient for upper blade 3 to change.

The above-mentioned rotary reset mechanism can adopt this mode to realize the above-mentioned function, wherein rotary reset mechanism includes parts such as pivot 71, torsional spring 78, toggle block 72 and pull rod 73, the last rotary groove 74 of seting up of blade base 4, the pivot 71 is installed in rotary groove 74, sectional type blade 34 sets up in pivot 71, torsional spring 78 cover is established on pivot 71, mounting groove 75 has been seted up to rotary groove 74 one side, toggle block 72 is rotatably set up in mounting groove 75 through the round pin axle, toggle block 72 lower part sets up the arch, toggle block 72 is provided with first couple 76 in the one side that keeps away from the blade, pull rod 73 installs on direction movable mechanism, set up on the pull rod 73 with first couple 76 complex hole 77. Therefore, when the rotary reset mechanism works, the pull rod 73 can be driven to move up and down through the guiding moving mechanism, so that when the pull rod 73 ascends, the hole 77 on the pull rod 73 is matched with the first hook 76, when the pull rod 73 descends to enable the cable to be cut, namely, the pull rod 73 drives the poking block 72 to rotate, the protruding portion of the poking block 72 is enabled to prop against one side of the segmented blade 34, the segmented blade 34 is enabled to rotate along the rotating shaft 71 as a rotating center, and the cut cable sheaths are separated through the segmented blade 34.

The above-mentioned guiding movable mechanism can realize the above-mentioned function in this way, the guiding movable mechanism includes gear motor 61, lead screw 62 and guide holder 63, the inner wall of the casing 1 both sides that is located the breach 2 lower part is provided with guide slot 64, guide holder 63 both sides erect in guide slot 64, guide holder 63 lower part is provided with sleeve pipe 65, lead screw 62 passes through bearing cooperation bearing frame 66 and installs in casing 1, lead screw 62 one end alternates in sleeve pipe 65, the other end is connected with gear motor 61 transmission, be provided with nut 67 on the lead screw 62, nut 67 and sleeve pipe 65 fixed connection. In order to realize the lifting function, the screw rod 62 can be directly driven to rotate by a motor, so that the nut 67 connected with the sleeve 65 can move on the screw rod 62 in a guiding way, and then the guide seat 63 is driven to move up and down. Of course, the screw 62 and nut 67 mechanism can also realize guiding movement by directly matching a linear guide rail with a linear motor and the like, and will not be described in detail herein.

The above also mentions that the cutting edge is worn after a long period of use, so that the matching accuracy is changed, and the problem of cutting adhesion again occurs due to the worn edge after a long period of use. In order to prolong the service life of the cable and ensure that the cable sheath can be accurately cut and separated from the wire core, the utility model specially designs a sheath withdrawing mechanism, which can effectively prolong the service life, accurately peel off the cable sheath adhered or enmeshed on the wire core, greatly improve the accuracy of completing work at one time and improve the work efficiency. The skin removing mechanism can be directly arranged on the guiding movable mechanism, and the guiding movable mechanism provides power to achieve the skin removing effect.

The peeling mechanism comprises two support columns 81, a space for a cable to enter and exit is reserved between the two support columns 81, the suspended ends of the two support columns 81 extend towards the opposite surfaces of the two support columns 81 to form elastic sheets 82, and the end parts of the elastic sheets 82 extend downwards to form second hooks 83. When cutting, the guiding movable mechanism moves upwards to drive the peeling mechanism to wholly rise, and meanwhile, due to the adoption of the elastic piece 82, the elastic piece 82 can be contacted with the cable to deform when moving upwards, so that the cable falls between the two support columns 81. After the upper blade 3 and the lower blade 5 are meshed and cut, the lower blade 5, the peeling mechanism and the pull rod 73 are driven to move downwards through the guiding moving mechanism, the rotating reset mechanism can firstly prop up the cable sheath, the second hooks 83 on the two elastic sheets 82 can enter a gap between the cable sheath and the gap after the cable sheath is propped up through matching with the rotating reset mechanism, and the guiding moving mechanism drives the two side cable sheaths which are cut to be continuously peeled off from the cable core downwards, so that peeling operation is completed. In order to ensure that the second hooks 83 are able to precisely enter the gap of the cable sheath rotatably supported by the segmented blade 34, it is preferable to close the ends of the two second hooks 83.

In order to prevent excessive pressure after the upper blade 3 and the lower blade 5 are meshed from excessively wearing the blade edge, two limiting supports 9 are arranged on the blade base 4, two limiting supports 9 are respectively arranged on two sides of the upper blade 3, arc-shaped grooves are formed in the limiting supports 9, the inner diameter of each arc-shaped groove is slightly larger than that of the arc-shaped blade 33 of the annular cutter blade 32, and the arc-shaped grooves and the arc-shaped blade 33 are coaxial, so that the limiting supports 9 can be supported on the guide seat 63 of the guide movable mechanism to realize a limiting effect when the upper blade 3 and the lower blade 5 are meshed.

In order to ensure portability and suitability of the utility model, a mobile power supply can be arranged in the shell 1, and a connector which can be matched with an insulating operating rod is designed on the shell 1, so that the portable electric power supply is convenient to carry and is convenient for working personnel to work in an electrified manner.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An electric electrified wire stripper is characterized in that: the cable feeding device comprises a shell, wherein a notch for a cable to enter is formed in one side of the shell, an upper blade and a lower blade are respectively and correspondingly arranged on the upper part and the lower part of the shell, and a guiding movable mechanism for driving the lower blade to be close to the upper blade to form occlusion is arranged in the shell.

2. An electrically powered wire stripper as defined in claim 1 wherein: the upper blade comprises a longitudinal cutting blade and two annular cutting blades, the annular cutting blades are respectively arranged at two ends of the longitudinal cutting blade, and the annular cutting blades are inwards concavely provided with arc-shaped knife edges.

3. An electrically powered wire stripper as defined in claim 2 wherein: the diameter of the arc-shaped blade is consistent with that of the fiber core, and the lowest point of the longitudinal cutting blade and the arc-shaped blade is horizontally consistent.

4. An electrically powered wire stripper as claimed in claim 1 or 2, wherein: the lower blade is topologically identical to the upper blade.

5. An electrically powered wire stripper as defined in claim 2 wherein: the longitudinal cutting blade is a segmented blade with a plurality of segments, and at least one segment of segmented blade is rotatably arranged on the upper part of the notch through a rotary reset mechanism.

6. An electrically powered wire stripper as defined in claim 5 wherein: the upper blade is detachably arranged on the upper part of the notch through the blade base.

7. An electrically powered wire stripper as defined in claim 6 wherein: the rotary reset mechanism comprises a rotating shaft, a torsion spring, a stirring block and a pull rod, wherein the blade base is provided with a rotating groove, the rotating shaft is arranged in the rotating groove, the sectional type blade is arranged on the rotating shaft, the torsion spring is sleeved on the rotating shaft, one side of the rotating groove is provided with a mounting groove, the stirring block is rotatably arranged in the mounting groove through a pin shaft, the lower part of the stirring block is provided with a bulge, one side of the stirring block, far away from the blade, is provided with a first hook, the pull rod is arranged on the guiding movable mechanism, and a hole matched with the first hook is formed in the pull rod.

8. An electrically powered wire stripper as defined in claim 1 wherein: the guiding movable mechanism comprises a gear motor, a screw and a guide seat, wherein guide grooves are formed in the inner walls of two sides of a shell positioned at the lower part of the gap, two sides of the guide seat are erected in the guide grooves, a sleeve is arranged at the lower part of the guide seat, the screw is installed in the shell through a bearing matched bearing seat, one end of the screw is inserted in the sleeve, the other end of the screw is in transmission connection with the gear motor, a nut is arranged on the screw, and the nut is fixedly connected with the sleeve.

9. An electrically powered wire stripper as defined in claim 1 or 7 wherein: the device comprises a guide movable mechanism, and is characterized by further comprising a skin removing mechanism, wherein the skin removing mechanism is arranged on the guide movable mechanism and comprises two support columns, a space for a cable to enter and exit is reserved between the two support columns, an elastic sheet is arranged at the suspended end of each support column in an extending way towards the opposite surfaces of the two support columns, and a second hook is arranged at the end part of each elastic sheet in a downward extending way.

10. An electrically powered wire stripper as defined in claim 9 wherein: the casing is internally provided with a mobile power supply, and a connector matched with the insulating operating rod is designed on the casing.