CN113937678A

CN113937678A - Power cable peeling device

Info

Publication number: CN113937678A
Application number: CN202111353478.9A
Authority: CN
Inventors: 孙启刚
Original assignee: State Grid Corp of China SGCC; Economic and Technological Research Institute of State Grid Shandong Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Economic and Technological Research Institute of State Grid Shandong Electric Power Co Ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-01-14
Anticipated expiration: 2041-11-16
Also published as: CN113937678B

Abstract

The invention discloses an electric cable peeling device which comprises a cutter, a fixing frame and a cutting mechanism, wherein the cutting mechanism comprises a circular cutting mechanism, a cutting frame and a side cutting mechanism, a clamping block for fixing a cable is arranged on the fixing frame, the cutting frame is rotationally connected with the fixing frame, the circular cutting mechanism is connected with the cutting frame and cuts around the circumference of the fixing frame along with the cutting frame, and the side cutting mechanism is connected with the cutting frame in a sliding mode. According to the invention, the cutting frame drives the circular cutting mechanism to cut around the circumference of the cable, the insulating layer of the cable is cut off, the side cutting mechanism cuts along the length direction of the cable, the side wall of the cable is cut, the insulating layer can be quickly and directly taken down from the conductor, the operation process is simple and quick, the subsequent secondary cutting is avoided, the time is saved, and the peeling convenience is improved.

Description

Power cable peeling device

Technical Field

The invention relates to the technical field of power devices, in particular to a power cable peeling device.

Background

Cables are generally rope-like cables made by stranding several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation. The electric wire and cable products adopted by the electric power system mainly comprise an overhead bare wire, a bus bar (bus), an electric power cable (plastic cable, oilpaper cable (basically replaced by the plastic electric power cable), a rubber sleeve cable, an overhead insulated cable), a branch cable (replacing part of the bus), an electromagnetic wire, an electric equipment wire and cable for electric power equipment and the like.

The cable peeling operation is frequently carried out in electric power work, at present, the peeling operation of the cable mainly comprises two modes, one mode is circular cutting, an insulating layer is cut along the circumference according to the peeling length, but the cut insulating layer is not easy to peel off from a conductor, and particularly, the mode cannot be implemented when the insulating layer is removed for a long time; the other is side cutting, which is followed by transversely cutting the insulating layer, and the side cutting requires pulling the cable, which is difficult to operate for a relatively long cable.

Disclosure of Invention

The invention aims at the defects in the prior art, and provides the power cable peeling device, the cutting frame drives the circular cutting mechanism to cut around the circumference of the cable, the insulating layer of the cable is cut off, the side cutting mechanism cuts along the length direction of the cable, the side wall of the cable is cut, the insulating layer can be quickly and directly taken down from the conductor, the operation process is simple and quick, the subsequent secondary cutting is avoided, the time is saved, and the peeling convenience is improved.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an electric power cable device of skinning, includes cutter, mount and cutting mechanism, cutting mechanism includes circular cutting mechanism, cutting frame and side cutting mechanism, be equipped with the clamp splice of fixed cable on the mount, the cutting frame rotates with the mount to be connected, circular cutting mechanism is connected with the cutting frame and follows the cutting frame and cut around the mount circumference, side cutting mechanism and cutting frame sliding connection.

Preferably, the mount includes the guide ring, one side and the cutting frame of guide ring rotate to be connected, and the opposite side of guide ring even has the support arm, the lower extreme of support arm is equipped with the jack, the quantity of clamp splice is two and relative setting, even have on the lateral wall of clamp splice with jack sliding fit's inserted bar, it has first lead screw to rotate on the lateral wall of support arm even, the inserted bar cover is in the outside of first lead screw, screw-thread fit between inserted bar and the first lead screw.

Preferably, one side of guide ring is equipped with the holding rod, the both ends of holding rod link respectively has the solid fixed ring of first solid fixed ring and second, the solid fixed ring of second passes through the bracing piece and is connected with the support arm.

Preferably, the cutting frame includes activity handle and fixed handle, even have parallel guide bar and push rod on the lateral wall of fixed handle, even have the pull rod with fixed handle sliding connection on the lateral wall of activity handle, the pull rod is connected with the side cutting mechanism, and the pull rod drives the side cutting mechanism and slides along the guide bar, and the tip of guide bar is equipped with the second gyro wheel, be equipped with on the lateral wall of guide ring with second gyro wheel complex ring channel, the end connection of ring cutting mechanism and push rod.

Preferably, the girdling mechanism includes broach shell and first cutter, broach shell cover is in the outside of first cutter, and the upper end of broach shell even has the second lead screw, and the upper end of first cutter is equipped with the groove of stepping down, the lower extreme of second lead screw is connected with the bottom rotation in the groove of stepping down, is equipped with first scale mark on the lateral wall of first cutter.

Preferably, the side wall of the cutter sleeve is provided with a first roller matched with the annular groove.

Preferably, the upper end of guide bar is equipped with the guiding hole, the guiding hole is the through-hole, the side cut mechanism include with guiding hole complex second cutter, be equipped with the second scale mark on the lateral wall of second cutter, the outside cover of second cutter has the uide bushing of being connected with the pull rod, the lateral wall of uide bushing passes through the backup pad and connects the roof, the roof is located the top of second cutter, and the upper end of second cutter is equipped with the briquetting, and the screw thread even has the screw rod of being connected with the briquetting rotation on the roof.

Preferably, the number of the guide sleeves is two and is respectively located on the upper side and the lower side of the guide rod, the two guide sleeves are connected through a connecting plate, the two sides of the guide rod are connected with a slide rod, and the connecting plate is provided with a sliding sleeve matched with the slide rod.

Preferably, the side wall of the push rod is connected with a third screw rod, and a clamping plate is arranged at the end part of the third screw rod.

Preferably, the side wall of the clamping block is provided with a non-slip mat.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the cutting frame drives the circular cutting mechanism to cut around the circumference of the cable, the insulating layer of the cable is cut off, the side cutting mechanism cuts along the length direction of the cable, the side wall of the cable is cut, the insulating layer can be quickly and directly taken down from the conductor, the operation process is simple and quick, the subsequent secondary cutting is avoided, the time is saved, and the peeling convenience is improved.

2. The cable is arranged in the guide ring, so that the cable is positioned, the cable is prevented from rebounding in the operation process, the use safety is improved, the holding rod is arranged on one side of the guide ring, an operator can conveniently grasp and fix the cable, and the structural strength and the use reliability of the fixing frame are further improved through the two fixing rings.

3. The cable fixing device provided by the invention has the advantages that the first screw rod is rotated to drive the clamping block to clamp and fix the cable, the reliability and the universality of fixing cables with different diameters are ensured, the clamping surface of the clamping block is provided with the anti-slip pad, and the anti-slip pad is made of rubber materials, so that the friction between the anti-slip pad and the cable can be increased, and the cable can be prevented from being damaged.

4. The guide sleeve is arranged on the outer side of the second cutter to fix and adjust the second cutter, the second cutter is matched with the sliding rod through the sliding sleeve during cutting, the stability of the cutting movement of the second cutter is guaranteed, the second cutter is located in the guide hole and can be clamped and protected, the deformation of the second cutter is prevented, and the stability and firmness of the second cutter are improved.

5. The side walls of the first cutter and the second cutter are provided with scale marks, and the cutting depth is adjustable, so that the universality and the cutting precision are improved, the internal conductor is prevented from being damaged, and the cutting reliability is ensured.

6. According to the invention, the first idler wheel matched with the annular groove is arranged on the side wall of the cutter sleeve, the second idler wheel matched with the annular groove is arranged at the end part of the guide rod, so that the firmness of connection between the cutting frame and the fixing frame is ensured, the cutter sleeve and the guide rod are both connected with the fixing ring, the stability and the stress uniformity of rotation are increased, the rotation friction is reduced, and the rotation cutting is smoother.

7. The clamping plate is arranged to fix the cutting end of the cable, so that the reliability of the device in use is ensured when the cutting length of the cable is large, and the cable is prevented from bending to influence the cutting effect.

8. The invention adopts a cutting mode of firstly girdling and then laterally cutting to ensure the cutting reliability and prevent the problem that the insulating layer is deformed or bent in the cutting process to cause incapability of cutting.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front view of the mount;

FIG. 3 is a schematic structural view of a clamping block;

FIG. 4 is a right side view of the mount;

FIG. 5 is a schematic view of the cutting mechanism;

FIG. 6 is a cross-sectional view of the ring cutting mechanism;

FIG. 7 is a perspective view of the ring cutting mechanism;

FIG. 8 is a schematic structural view of a cutting frame;

FIG. 9 is a schematic structural view of a side cutting mechanism;

fig. 10 is a schematic view of the structure of the present invention in use.

In the figure: 1-a fixed mount; 101-a first retaining ring; 102-a grip; 103-a support bar; 104-a second retaining ring; 105-a support arm; 106-first lead screw; 107-jacks; 108-a plunger; 109-a clamping block; 110-a connecting rod; 111-a guide ring; 112-an annular groove; 2-a ring cutting mechanism; 201-a knife sleeve; 202-a first cutter; 203-a second screw rod; 204-a yield slot; 205-first tick mark; 206-a first roller; 3-a cutting frame; 301-a movable handle; 302-a pull rod; 303-fixed handle; 304-a pilot hole; 305-a guide bar; 306-a second roller; 307-a push rod; 308-a third screw rod; 309-splint; 310-a slide bar; 4-side cutting mechanism; 401-screw rod; 402-a top plate; 403-a support plate; 404-a connection plate; 405-a sliding sleeve; 406-a second tick mark; 407-a guide sleeve; 408-a second cutter; 409-briquetting; 5-cable.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figure 1, a power cable 5 peeling device comprises a cutter, a fixing frame 1 and a cutting mechanism, wherein the cutting mechanism comprises a circular cutting mechanism 2, a cutting frame 3 and a side cutting mechanism 4, a clamping block 109 for fixing a cable 5 is arranged on the fixing frame 1 and used for clamping and fixing the cable 5, as shown in figure 5, the cutting frame 3 is rotatably connected with the fixing frame 1, the circular cutting mechanism 2 is connected with the cutting frame 3 and cuts around the circumference of the fixing frame 1 along with the cutting frame 3, and the side cutting mechanism 4 is connected with the cutting frame 3 in a sliding mode. When the cable insulation cutting device is used, the insulation layer outside the cable 5 is cut off by circumferentially cutting the insulation layer outside the cable 5 through the rotary cutting frame 3 and then the side wall of the insulation layer is separated along the length direction of the cable 5 through the side cutting mechanism 4, so that the insulation layer is easily taken down from the outside of the conductor.

As shown in fig. 2, the fixing frame 1 includes a guide ring 111, one side of the guide ring 111 is rotatably connected to the cutting frame 3, the other side of the guide ring 111 is connected to a support arm 105, the lower end of the support arm 105 is provided with two insertion holes 107, the number of the clamping blocks 109 is two and is relatively set, as shown in fig. 3, the side wall of the clamping block 109 is connected to an insertion rod 108 which is in sliding fit with the insertion hole 107, the cross sections of the insertion rod 108 and the insertion hole 107 are rectangular, the side wall of the support arm 105 is rotatably connected to a first lead screw 106, the insertion rod 108 is sleeved outside the first lead screw 106, the insertion rod 108 is in threaded fit with the first lead screw 106, the cable 5 is located in the guide ring 111, the clamping block 109 is driven by rotating the first lead screw 106 to clamp and fix the cable 5, and a mat is arranged on the clamping surface of the anti-slip mat 109, the anti-slip mat is made of rubber material, which can increase friction between the cable 5 and can prevent damage to the cable 5.

In order to facilitate the holding and fixing of the fixing frame 1 by an operator, a holding rod 102 is arranged on one side of the guide ring 111, two ends of the holding rod 102 are respectively connected with a first fixing ring 101 and a second fixing ring 104, the second fixing ring 104 is connected with the supporting arm 105 through a supporting rod 103, a connecting rod 110 is connected between the second fixing ring 104 and the guide ring 111, and the two fixing rings can enhance the structural strength of the fixing frame 1 and restrain the cable 5.

As shown in fig. 8, the cutting frame 3 includes a movable handle 301 and a fixed handle 303, the side wall of the fixed handle 303 is connected with a guide rod 305 and a push rod 307 which are parallel, the number of the guide rod 305 and the push rod 307 is two, and the guide rod 305 and the push rod 307 are arranged oppositely at intervals, the side wall of the movable handle 301 is connected with a pull rod 302 which is slidably connected with the fixed handle 303, the pull rod 302 is connected with a side cutting mechanism 4, the upper end of the guide rod 305 is provided with a guide hole 304, the guide hole 304 is a through hole, as shown in fig. 9, the side cutting mechanism 4 includes a second cutter 408 which is matched with the guide hole 304, the guide hole 304 can position and protect the second cutter 408 to prevent the second cutter 408 from bending after being stressed, the side wall of the second cutter 408 is provided with a second scale 406, the outer side of the second cutter 408 is sleeved with a guide sleeve 407 which is connected with the pull rod 302, the side wall of the guide sleeve 407 is connected with a top plate 402 through a support plate 403, the top plate 402 is located above the second cutter 408, the upper end of the second cutter 408 is provided with a pressing block 409, the top plate 402 is connected with a screw 401 in a threaded manner, the screw 401 is rotatably connected with the pressing block 409, the second cutter 408 can be driven to slide up and down along the guide sleeve 407 by rotating the screw 401, the cutting depth is adjusted, the movable handle 301 is pulled, the movable handle 301 pulls the second cutter 408 through the pull rod 302, and the second cutter 408 slides along the guide hole 304, namely, the cutting is carried out along the length direction of the cable 5.

In order to ensure the stability of the second cutter 408 during sliding and the uniformity of the tension, the number of the guide sleeves 407 is two and the two guide sleeves 407 are respectively located at the upper and lower sides of the guide bar 305, the two guide sleeves 407 are connected through a connecting plate 404, the two sides of the guide bar 305 are connected with sliding rods 310, and the connecting plate 404 is provided with a sliding sleeve 405 matched with the sliding rods 310, so that the second cutter 408 is ensured not to deviate during cutting.

In addition, a second roller 306 is arranged at the end of the guide rod 305, as shown in fig. 4, an annular groove 112 matched with the second roller 306 is arranged on the side wall of the guide ring 111, and the second roller 306 makes a circular motion around the annular groove 112, so that the connection and the rotation between the cutting frame 3 and the fixed frame 1 are realized.

As shown in fig. 6-7, the ring cutting mechanism 2 is connected to an end of the push rod 307, the ring cutting mechanism 2 includes a knife sheath 201 and a first knife 202, the knife sheath 201 is sleeved outside the first knife 202, a first roller 206 matched with the annular groove 112 is disposed on a side wall of the knife sheath 201, circumferential operation of the first knife 202 is realized, and firmness of connection between the cutting frame 3 and the fixing frame 1 can be improved, the knife sheath 201 and the guide rod 305 are both connected to the fixing ring, rotational stability and stress uniformity are increased, the upper end of the knife sheath 201 is connected to a second lead screw 203, the upper end of the first knife 202 is provided with a abdicating groove 204, the lower end of the second lead screw 203 is rotatably connected to the bottom of the abdicating groove 204, a first scale line 205 is disposed on a side wall of the first knife 202, the knife sheath 201 protects the first knife 202, and a cutting depth of the first knife 202 can be adjusted by rotating the second lead screw 203.

When the insulation layer to be cut is long or the cable 5 is soft, in order to prevent the cable 5 from swinging in the cutting process, a third screw rod 308 is connected to the side wall of the push rod 307, and a clamping plate 309 is arranged at the end of the third screw rod 308 to clamp and fix the end of the cable 5.

As shown in fig. 10, when in use, the cable 5 is peeled by firstly performing circular cutting and then performing side cutting; firstly, the cable 5 passes through the first fixing ring 101, the second fixing ring 104 and the guide ring 111, the position of the cable 5 is adjusted according to the cutting length, so that the circular cutting position is positioned at the first cutter 202, the cable 5 is clamped and fixed through the clamping block 109 and the clamping plate 309, the cable 5 is positioned at the center of the guide ring 111, the second screw rod 203 is rotated to ensure that the first cutter 202 is inserted into the insulating layer of the cable 5, the insertion depth is the same as the thickness of the insulating layer of the cable 5, the guide ring 111 is fixed through the holding rod 102, the cutting frame 3 is rotated through the fixing handle 303 or the push rod 307, the first cutter 202 performs circular cutting on the insulating layer, the number of the first cutters 202 is two, therefore, at least a semicircle is required to be rotated to cut the insulating layer, after the circular cutting is finished, the first cutter 202 is lifted through the second screw rod 203 to ensure that the first cutter 202 is far away from the insulating layer, then, the second cutter 408 is adjusted through the screw rod 401, the lower knife position of the second cutter 408 is started from the circular cutting position, the undercut depth is the same as the thickness of the insulating layer, the cutting frame 3 is fixed through the fixed handle 303, the movable handle 301 is pulled, the side cutting mechanism 4 is driven to move along the guide rod 305, the side wall of the insulating layer is cut along the length direction of the cable 5, two second cutters 408 are used, therefore, the two sides of the insulating layer can be cut simultaneously, after the cutting is finished, the clamping block 109 and the clamping plate 309 are loosened, the device is taken down from the cable 5, the insulating layer to be removed is changed into two halves, and the insulating layer can be taken down from the conductor directly.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides an electric power cable device of skinning, includes the cutter, its characterized in that: the cutting mechanism comprises a circular cutting mechanism, a cutting frame and a side cutting mechanism, a clamping block for fixing a cable is arranged on the fixing frame, the cutting frame is rotatably connected with the fixing frame, the circular cutting mechanism is connected with the cutting frame and cuts around the circumference of the fixing frame along with the cutting frame, and the side cutting mechanism is slidably connected with the cutting frame.

2. An electric power cable stripping apparatus as claimed in claim 1, wherein: the mount includes the guide ring, one side and the cutting frame of guide ring rotate to be connected, and the opposite side of guide ring even has the support arm, the lower extreme of support arm is equipped with the jack, the quantity of clamp splice is two and relative setting, even have on the lateral wall of clamp splice with jack sliding fit's inserted bar, it even has first lead screw to rotate on the lateral wall of support arm, the inserted bar cover is in the outside of first lead screw, screw-thread fit between inserted bar and the first lead screw.

3. An electric power cable stripping apparatus as claimed in claim 2, wherein: one side of guide ring is equipped with the holding rod, the both ends of holding rod link respectively has the solid fixed ring of first solid fixed ring and second, the solid fixed ring of second passes through the bracing piece and is connected with the support arm.

4. An electric power cable stripping apparatus as claimed in claim 1, wherein: the cutting frame includes activity handle and fixed handle, even have parallel guide bar and push rod on the lateral wall of fixed handle, even have the pull rod with fixed handle sliding connection on the lateral wall of activity handle, the pull rod is connected with the side cutting mechanism, and the pull rod drives the side cutting mechanism and slides along the guide bar, and the tip of guide bar is equipped with the second gyro wheel, be equipped with on the lateral wall of guide ring with second gyro wheel complex ring channel, the end connection of ring cutting mechanism and push rod.

5. An electric power cable stripping apparatus as claimed in claim 4, wherein: the ring cutting mechanism comprises a knife sleeve and a first cutter, the knife sleeve is sleeved on the outer side of the first cutter, a second lead screw is connected to the upper end of the knife sleeve, a yielding groove is formed in the upper end of the first cutter, the lower end of the second lead screw is rotatably connected with the bottom of the yielding groove, and a first scale mark is arranged on the side wall of the first cutter.

6. An electric power cable stripping apparatus as claimed in claim 5, wherein: and a first roller matched with the annular groove is arranged on the side wall of the cutter sleeve.

7. An electric power cable stripping apparatus as claimed in claim 4, wherein: the upper end of guide bar is equipped with the guiding hole, the guiding hole is the through-hole, the side cut mechanism include with guiding hole complex second cutter, be equipped with the second scale mark on the lateral wall of second cutter, the outside cover of second cutter has the uide bushing of being connected with the pull rod, the lateral wall of uide bushing passes through the backup pad and connects the roof, the roof is located the top of second cutter, and the upper end of second cutter is equipped with the briquetting, and the screw thread even has the screw rod of being connected with the briquetting rotation on the roof.

8. An electric power cable stripping apparatus as claimed in claim 7, wherein: the quantity of uide bushing is two and is located the upper and lower both sides of guide bar respectively, connects through the connecting plate between two uide bushings, and the both sides of guide bar even have the slide bar, are equipped with the sliding sleeve with slide bar complex on the connecting plate.

9. An electric power cable stripping apparatus as claimed in claim 4, wherein: the side wall of the push rod is connected with a third screw rod, and a clamping plate is arranged at the end part of the third screw rod.

10. An electric power cable stripping apparatus as claimed in claim 1, wherein: and the side wall of the clamping block is provided with an anti-skid pad.