Secondary cable stripping knife positioner

By using the first and second blades in conjunction with the guide block, the secondary cable can be cut in layers, which solves the problem of cutting depth control in the existing technology, avoids damage to the internal conductor, and is applicable to cables of different diameters.

CN224053762UActive Publication Date: 2026-03-27SHANDONG WUZHOU ELECTRIC CO LTD POWER TRANSMISSION ENGINEERING BRANCH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-12
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing stripping knives are difficult to control in terms of cutting depth, and are prone to deviating from the intended path, damaging the internal conductors of secondary cables.

Method used

The first and second blades, together with the guide block, are used to cut and expand the outer sheath and cut the insulation layer. Through the cooperation of the guide rod and the limiting plate, layered cutting is achieved to avoid damage to the internal conductor.

Benefits of technology

It enables layered cutting of secondary cables, avoiding damage to internal conductors, and is easy and labor-saving to operate, suitable for cables of different diameters.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a secondary cable stripping knife positioner, which relates to the technical field of secondary cable installation and comprises a fixing plate, a first blade and a second blade are slidably mounted below the fixing plate, a guide block is arranged between the first blade and the second blade, and a guide rod is slidably mounted on the fixing plate. The upper end of the guide rod penetrates through the fixing plate and is fixedly provided with a horizontally-arranged limiting plate, a reset element is arranged between the limiting plate and the fixing plate, a connecting plate is fixedly installed at the lower end of the guide rod, two symmetrically-arranged cable positioning plates are hinged to the bottom of the fixing plate, and the upper end of each cable positioning plate is installed on the connecting plate in a restrained mode. According to the utility model, through the cooperation of the first blade, the guide block and the second blade, the cutting of an outer sheath, the opening of the outer sheath and the cutting of an insulating layer are realized, the layered cutting of a secondary cable is realized, and the damage of an internal conductor is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to secondary cable installation technical field especially is related to a secondary cable barking knife positioner. BACKGROUND

[0002] Secondary cable 1 is the cable for control, signal transmission and feedback, and secondary cable 1 includes several conductors 2, and several conductors 2 and filler 3 are collectively wrapped by insulating layer 4 into an integrated whole, and the outside of insulating layer 4 is further wrapped with outer sheath 5, and in the installation process of secondary cable 1, outer sheath 5 and insulating layer 4 need to be stripped, and the existing barking knife is mostly provided with a blade, and when using, outer sheath 5 and insulating layer 4 can be cut off in an axial direction at one time, since the material and thickness of outer sheath 5 and insulating layer 4 are different, the cutting depth of the blade is difficult to control, and the blade is easy to deviate from the predetermined cutting route, and the internal conductor 2 is easy to be damaged, which influences the use of secondary cable 1.

[0003] Therefore, a secondary cable barking knife positioner solving the above problems is needed. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a secondary cable barking knife positioner, through the cooperation of first blade, guide block and second blade, realize the cutting of outer sheath, the opening of outer sheath and the cutting of insulating layer, realize the layered cutting of secondary cable, avoid the damage of internal conductor.

[0005] The technical scheme of the utility model is realized as follows:

[0006] Secondary cable barking knife positioner, including the fixed plate of horizontal arrangement, the first blade for cutting open outer sheath along the axial direction and the second blade for cutting open insulating layer along the axial direction are installed in the vertical direction sliding on the fixed plate, the first blade and the second blade are vertically arranged below the fixed plate, along the barking direction of secondary cable, the first blade is arranged downstream of the second blade, the guide block for opening the outer sheath after cutting is arranged between the first blade and the second blade, a guide rod is installed in the vertical direction sliding on the fixed plate, the upper end of the guide rod passes through the fixed plate and is fixed with the limit plate of horizontal arrangement, the reset element is arranged between the limit plate and the fixed plate, the lower end of the guide rod is fixedly installed with a connecting plate, two cable positioners are symmetrically arranged downstream of the first blade, the two cable positioners are right-angled, the middle of the two cable positioners is hinged to the bottom of the fixed plate, the upper end of each cable positioner is constrainedly installed on the connecting plate, the lower end of each cable positioner is rotatably installed with a roller, and the handle is fixedly installed on the fixed plate.

[0007] As a preferred technical scheme, the first sliding plate and the second sliding plate are slidably arranged on the fixed plate in the vertical direction, the lower ends of the first sliding plate are fixedly connected with the first blade by penetrating through the fixed plate, the lower ends of the second sliding plate are fixedly connected with the second blade by penetrating through the fixed plate, and two locking bolts for locking the first sliding plate and the second sliding plate are threadedly arranged on the fixed plate.

[0008] As a preferred technical scheme, the guide block is fixedly arranged on the first sliding plate through the mounting plate, and the side of the guide block close to the first blade is conical.

[0009] As a preferred technical scheme, the upper end of each cable positioning plate is fixedly arranged with a connecting shaft, a through groove is horizontally arranged on the connecting plate, and each connecting shaft is arranged in the through groove.

[0010] As a preferred technical scheme, the top of the fixed plate is fixedly arranged with a mounting seat, the mounting seat is hingedly arranged with a pressing plate at one end close to the limiting plate, the free end of the pressing plate is fixedly arranged with a pressing block for pressing against the limiting plate, the other end of the mounting seat is hingedly arranged with a connecting rod, and a handle is hingedly arranged between the connecting rod and the pressing plate, and the handle is arranged above the handle.

[0011] By adopting the above technical scheme, the utility model has the advantages of:

[0012] In the process of peeling the secondary cable by using the utility model, the connecting plate is moved downward by pressing the limiting plate, the two cable positioning plates are driven to rotate by the connecting plate, the distance between the two rollers is increased, the secondary cable to be peeled is placed between the two rollers, the limiting plate is released, the two rollers are abutted against the side surface of the secondary cable to position the secondary cable under the action of the reset element, the distance between the first blade and the second blade relative to the secondary cable is adjusted according to the thickness of the outer sheath and the insulating layer, the handle is gripped to move the fixed plate along the axial direction of the secondary cable, the first blade cuts the outer sheath first, then the guide block spreads the cut outer sheath to both sides, the second blade cuts the insulating layer, and the device is removed after being stopped at the position to be peeled.

[0013] In the utility model, the secondary cable is positioned and clamped by the two rollers, the blade is prevented from deviating from the predetermined cutting route, the first blade cuts the outer sheath first, then the guide block spreads the cut outer sheath, the second blade cuts the insulating layer, the layered cutting of the secondary cable is realized, and the internal conductor is prevented from being damaged.

[0014] In the utility model, the cooperation of the guide block, the guide rod, the limiting plate, the connecting plate and the cable positioning plate realizes the adjustment of the distance between the two rollers, so that the positioner can be suitable for more diameters of secondary cables.

[0015] Since the secondary cable stripping knife positioner comprises the mounting seat, the pressing plate, the connecting rod and the handle, in the process of using the positioner, one hand holds the handle, and the other hand needs to press the limiting plate to make the two cable positioning plates open, which is inconvenient to operate and needs great force, when the two cable positioning plates need to be opened, the handle is only pressed, under the connection of the mounting seat and the connecting rod and the action of the lever principle, the pressing block is abutted against the top of the limiting plate and pushes the limiting plate downward, so that one-hand operation can be realized, which is convenient and labor-saving to operate. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without paying the creative labor.

[0017] Figure 1 It is the structural schematic diagram of the utility model;

[0018] Figure 2 It is the state reference drawing of two cable positioning plates being unfolded;

[0019] Figure 3 It is the state reference drawing of the utility model when working;

[0020] Figure 4 It is the state reference drawing of two roller positioning cables;

[0021] Figure 5 It is the state reference drawing of the first blade and the second blade when working.

[0022] Wherein: 1, secondary cable;2, conductor;3, filler;4, insulating layer;5, outer sheath;6, fixed plate;7, first blade;8, second blade;9, guide block;10, guide rod;11, limiting plate;12, connecting plate;13, cable positioning plate;14, roller;15, handle;16, first sliding plate;17, second sliding plate;18, locking bolt;19, mounting plate;20, connecting shaft;21, through slot;22, mounting seat;23, pressing plate;24, pressing block;25, connecting rod;26, handle;27, compression spring. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the person skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0024] As Figures 1-5 As shown in the drawings, the secondary cable stripping knife positioner comprises a horizontally arranged fixing plate 6, a first blade 7 for axially cutting the outer sheath 5 and a second blade 8 for axially cutting the insulation layer 4 are slidably arranged on the fixing plate 6 in the vertical direction, the first blade 7 and the second blade 8 are both vertically arranged below the fixing plate 6, along the stripping direction of the secondary cable 1, the first blade 7 is arranged downstream of the second blade 8, a guide block 9 for spreading the cut outer sheath 5 is arranged between the first blade 7 and the second blade 8, a guide rod 10 is slidably arranged on the fixing plate 6 in the vertical direction, the upper end of the guide rod 10 penetrates through the fixing plate 6 and is fixed with a horizontally arranged limiting plate 11, a reset element is arranged between the limiting plate 11 and the fixing plate 6, the lower end of the guide rod 10 is fixedly arranged with a connecting plate 12, two cable positioning plates 13 are symmetrically arranged downstream of the first blade 7, the two cable positioning plates 13 are in right angle shape, the middle of the two cable positioning plates 13 is hingedly arranged on the bottom of the fixing plate 6, the upper end of each cable positioning plate 13 is constrainedly arranged on the connecting plate 12, the lower end of each cable positioning plate 13 is rotatably arranged with a roller 14, and a handle 15 is fixedly arranged on the fixing plate 6.

[0025] Among them, the first sliding plate 16 and the second sliding plate 17 are slidably arranged on the fixing plate 6 in the vertical direction, the lower end of the first sliding plate 16 penetrates through the fixing plate 6 and is fixedly connected with the first blade 7, the lower end of the second sliding plate 17 penetrates through the fixing plate 6 and is fixedly connected with the second blade 8, and two locking bolts 18 for locking the first sliding plate 16 and the second sliding plate 17 are threadedly arranged on the fixing plate 6.

[0026] As Figure 5 As shown in the drawings, the guide block 9 is fixedly arranged on the first sliding plate 16 through a mounting plate 19, one side of the guide block 9 close to the first blade 7 is in conical shape, in the present utility model, the conical shape of the guide block 9 makes the end of the guide block 9 close to the first blade 7 form a sharp end and extend into the cut outer sheath 5, under the guidance of the conical surface, the cut outer sheath 5 is spread to both sides, so that the second blade 8 can extend into the spread outer sheath 5 and cut the insulation layer 4.

[0027] In addition, a connecting shaft 20 is fixedly arranged on the upper end of each cable positioning plate 13, a horizontal through slot 21 is arranged on the connecting plate 12, and each connecting shaft 20 is constrainedly arranged in the through slot 21.

[0028] Further, the top of the fixed plate 6 is fixedly provided with a mounting seat 22, the mounting seat 22 is hingedly provided with a pressing plate 23 at one end close to the limiting plate 11, the free end of the pressing plate 23 is fixedly provided with a pressing block 24 for pressing against the limiting plate 11, the other end of the mounting seat 22 is hingedly provided with a connecting rod 25, the connecting rod 25 is hingedly provided with a handle 26 between the pressing plate 23, and the handle 26 is arranged above the handle 15.

[0029] The first blade 7 and the second blade 8 are both circular.

[0030] The first reset element is a compression spring 27.

[0031] The use method of the utility model is as follows:

[0032] Firstly, hold the handle 15 and press the handle 26, the pressing block 24 pushes the limiting plate 11 towards the fixed plate 6, and under the pushing of the connecting plate 12, the lower ends of the two cable positioning plates 13 move outward, and the distance between the two rollers 14 increases.

[0033] Secondly, move the positioner, move the cable to be stripped between the two rollers 14, and release the handle 26, under the action of the compression spring 27, the two rollers 14 position and tighten the secondary cable 1.

[0034] Thirdly, move the first sliding plate 16 and the second sliding plate 17, adapt the first blade 7 to the outer sheath 5, and adapt the second blade 8 to the insulation layer 4, and rotate the locking bolt 18 to lock the first sliding plate 16 and the second sliding plate 17.

[0035] Fourthly, move the positioner to the end of the position to be stripped in the axial direction, in this process, the first blade 7 cuts the outer sheath 5 first, the guide block 9 spreads the cut outer sheath 5, and then the second blade 8 cuts the insulation layer 4.

[0036] Fifthly, press the handle 26, the two rollers 14 release the positioning and clamping of the secondary cable 1, take down the positioner, and cut the outer sheath 5 and the insulation layer 4 at the end of the position to be stripped by using the blade.

[0037] In summary, through the cooperation of the first blade, the guide block and the second blade, the utility model realizes the cutting of the outer sheath, the spreading of the outer sheath and the cutting of the insulation layer, realizes the layered cutting of the secondary cable, and avoids the damage of the internal conductor.

[0038] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection range of the utility model.

Claims

1. A secondary cable stripping knife positioner comprising a horizontally disposed fixed plate, characterized in that, The fixed plate is vertically slidably provided with a first blade for axially cutting the outer sheath and a second blade for axially cutting the insulation layer, the first blade and the second blade are vertically arranged below the fixed plate, along the stripping direction of the secondary cable, the first blade is arranged downstream of the second blade, a guide block for supporting the cut outer sheath is arranged between the first blade and the second blade, a guide rod is vertically slidably arranged on the fixed plate, the upper end of the guide rod penetrates through the fixed plate and is fixedly provided with a horizontally arranged limiting plate, a reset element is arranged between the limiting plate and the fixed plate, the lower end of the guide rod is fixedly provided with a connecting plate, two cable positioning plates are symmetrically arranged downstream of the first blade, the two cable positioning plates are arranged at right angles, the middle of the two cable positioning plates is hingedly connected to the bottom of the fixed plate, the upper end of each cable positioning plate is constrainedly arranged on the connecting plate, the lower end of each cable positioning plate is rotatably arranged with a roller, and a handle is fixedly arranged on the fixed plate.

2. The secondary cable stripping knife positioner of claim 1, wherein, The first sliding plate and the second sliding plate are vertically slidably arranged on the fixed plate, the lower end of the first sliding plate penetrates through the fixed plate and is fixedly connected with the first blade, and the lower end of the second sliding plate penetrates through the fixed plate and is fixedly connected with the second blade.

3. The secondary cable stripping knife positioner of claim 2, wherein, The guide block is fixedly arranged on the first sliding plate through a mounting plate, and the side of the guide block close to the first blade is conical.

4. The secondary cable stripping knife positioner of claim 1, wherein, The upper end of each cable positioning plate is fixedly arranged with a connecting shaft, and the connecting plate is horizontally provided with a through groove, and each connecting shaft is constrainedly arranged in the through groove.

5. The secondary cable stripping knife positioner of claim 1, wherein, The top of the fixed plate is fixedly arranged with a mounting seat, one end of the mounting seat close to the limiting plate is hingedly arranged with a pressing plate, the free end of the pressing plate is fixedly arranged with a pressing block for pressing the limiting plate, the other end of the mounting seat is hingedly arranged with a connecting rod, and the connecting rod and the pressing plate are hingedly arranged with a handle, and the handle is arranged above the handle.