CN113937678B - Power cable peeling device - Google Patents

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

A power cable stripping device

technical field

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

Background technique

The cable is usually a rope-like cable twisted by several or several groups of wires (at least two in each group). Each group of wires is insulated from each other and is often twisted around a center. Insulating covering. The cable has the characteristics of internal electrification and external insulation. The wire and cable products used in the power system mainly include overhead bare wires, busbars (busbars), power cables (plastic cables, oil-paper cables (basically replaced by plastic power cables), rubber-sheathed cables, overhead insulated cables), branch cables (replacing some busbars), electromagnetic wires, and electrical equipment wires and cables for power equipment, etc.

Cable stripping is often carried out in electric power work. At present, there are two main methods for cable stripping. One is ring cutting. According to the stripping length, the insulation layer is cut along the circumference, but the insulation layer after cutting is not easy. Stripping on the conductor, especially when removing the insulation layer for a long time, this method cannot be implemented; the other is side cutting, and then the insulation layer is cut horizontally after side cutting, and the side cutting needs to pull the cable, for relatively long cables is difficult to operate.

Contents of the invention

The present invention aims at the above-mentioned deficiencies in the prior art, and provides a power cable stripping device, which drives the ring cutting mechanism to cut around the circumference of the cable through the cutting frame, cuts off the insulation layer of the cable, and passes the side cutting mechanism along the length of the cable. Cut in the same direction, cut the side wall of the cable, so that the insulation layer can be quickly and directly removed from the conductor, the operation process is simple and fast, avoiding subsequent re-cutting, saving time, and improving the convenience of stripping.

To achieve the above object, the present invention provides the following technical solutions:

A power cable stripping device, including a cutter, a fixing frame and a cutting mechanism, the cutting mechanism includes a ring cutting mechanism, a cutting frame and a side cutting mechanism, the fixing frame is provided with a clamp block for fixing the cable, the cutting The frame is rotatably connected with the fixed frame, the circular cutting mechanism is connected with the cutting frame and follows the cutting frame to cut around the circumference of the fixed frame, and the side cutting mechanism is slidably connected with the cutting frame.

Preferably, the fixed frame includes a guide ring, one side of the guide ring is rotatably connected with the cutting frame, the other side of the guide ring is connected with a support arm, the lower end of the support arm is provided with an insertion hole, and the clamping block The quantity is two and oppositely arranged, the side wall of the clamping block is connected with the inserting rod that slides with the socket, the side wall of the support arm is connected with the first threaded rod for rotation, and the inserting rod is sleeved on the first On the outer side of the screw rod, the thread fits between the insertion rod and the first screw rod.

Preferably, one side of the guide ring is provided with a grip bar, the two ends of the grip bar are respectively connected with a first fixing ring and a second fixing ring, and the second fixing ring is connected with the support arm through a support rod.

Preferably, the cutting frame includes a movable handle and a fixed handle, the side wall of the fixed handle is connected with parallel guide rods and push rods, and the side wall of the movable handle is connected with a pull rod slidingly connected with the fixed handle, The pull rod is connected with the side cutting mechanism, and the pull rod drives the side cutting mechanism to slide along the guide rod. The end of the guide rod is provided with a second roller, and the side wall of the guide ring is provided with an annular groove matching the second roller. The cutting mechanism is connected with the end of the push rod.

Preferably, the ring cutting mechanism includes a knife cover and a first cutter, the knife cover is set on the outside of the first cutter, the upper end of the knife cover is connected with a second screw rod, and the upper end of the first cutter is provided with a relief groove, the lower end of the second screw rod is rotatably connected to the bottom of the relief groove, and the side wall of the first cutter is provided with a first scale line.

Preferably, the side wall of the knife housing is provided with a first roller matching with the annular groove.

Preferably, the upper end of the guide rod is provided with a guide hole, the guide hole is a through hole, the side cutting mechanism includes a second cutter matched with the guide hole, the side wall of the second cutter is provided with a second scale line, the outer side of the second cutter is covered with a guide sleeve connected to the pull rod, the side wall of the guide sleeve is connected to the top plate through the support plate, the top plate is located above the second cutter, and the upper end of the second cutter is set A briquetting block is arranged, and a threaded rod connected with the briquetting block is threaded on the top plate.

Preferably, there are two guide sleeves located on the upper and lower sides of the guide rod respectively, the two guide sleeves are connected by a connecting plate, slide bars are connected to both sides of the guide rod, and there are Sliding sleeves that fit the sliders.

Preferably, a third threaded rod is connected to the side wall of the push rod, and a splint is provided at the end of the third threaded rod.

Preferably, an anti-skid pad is provided on the side wall of the clamping block.

Compared with prior art, the beneficial effect of the present invention is:

1. The present invention drives the ring cutting mechanism to cut around the circumference of the cable through the cutting frame, cuts off the insulation layer of the cable, and cuts the side wall of the cable through the side cutting mechanism along the length direction of the cable, so that the insulation layer can be cut. Quickly and directly removed from the conductor, the operation process is simple and fast, avoiding subsequent re-cutting, saving time and improving the convenience of stripping.

2. In the present invention, the cable is placed in the guide ring to realize the positioning of the cable, prevent the cable from rebounding during operation, and increase the safety of use. One side of the guide ring is provided with a handle, which can facilitate the operator Grasp and fix, the structural strength and reliability of use of the fixing frame are further improved through two fixing rings.

3. The present invention drives the clamping block to clamp and fix the cable by rotating the first screw rod to ensure the reliability and versatility of fixing cables with different diameters. Anti-slip pads and anti-slip pads are provided on the clamping surface of the clamping block The rubber material can not only increase the friction with the cable, but also prevent damage to the cable.

4. In the present invention, a guide sleeve is provided on the outside of the second cutter to fix and adjust the guide for the second cutter. The second cutter cooperates with the sliding sleeve and the slide bar during cutting to ensure the smoothness of the second cutter's cutting movement. Stability, the second cutter is located in the guide hole, which can clamp and protect the second cutter, prevent the deformation of the second cutter, and increase the stability and firmness of the second cutter.

5. The side walls of the first cutter and the second cutter of the present invention are provided with scale lines and the cutting depth can be adjusted, which increases versatility and cutting precision, avoids damage to internal conductors, and ensures cutting reliability.

6. In the present invention, a first roller matching with the annular groove is provided on the side wall of the knife holder, and a second roller matching with the annular groove is arranged at the end of the guide rod, which ensures the firmness of the connection between the cutting frame and the fixed frame , The knife cover and the guide rod are connected with the fixed ring, which increases the stability of the rotation and the uniformity of the force, reduces the friction of the rotation, and makes the rotation and cutting more smooth.

7. The present invention sets a splint to fix the cutting end of the cable, so as to ensure the reliability of the device when the cable is cut to a large length, and prevent the bending of the cable from affecting the cutting effect.

8. The present invention adopts the cutting method of ring cutting first and then side cutting to ensure the reliability of cutting and prevent the problem that the insulating layer cannot be cut due to deformation or bending during the cutting process.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is the front view of fixed frame;

Fig. 3 is the structural representation of clamping block;

Fig. 4 is the right view of fixed frame;

Fig. 5 is the structural representation of cutting mechanism;

Figure 6 is a cross-sectional view of the circumcision mechanism;

Fig. 7 is a three-dimensional structural schematic diagram of a circumcision mechanism;

Fig. 8 is the structural representation of cutting frame;

Fig. 9 is a structural schematic diagram of a side cutting mechanism;

Fig. 10 is a schematic structural diagram of the present invention in use.

Among the figure: 1-fixed frame; 101-the first fixed ring; 102-grip rod; 103-support rod; 104-the second fixed ring; 105-support arm; 106-the first screw mandrel; -insert rod; 109-clamp block; 110-connecting rod; 111-guiding ring; 112-annular groove; 2-ring cutting mechanism; 205-first scale line; 206-first roller; 3-cutting frame; 301-movable handle; 302-pull rod; 303-fixed handle; 304-guide hole; The second roller; 307-push rod; 308-the third screw; 309-splint; 310-slider; 4-side cutting mechanism; 401-screw; Sliding sleeve; 406-second scale line; 407-guiding sleeve; 408-second cutter; 409-briquetting block; 5-cable.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figure 1, a kind of power cable 5 peeling device, comprises cutter, fixed frame 1 and cutting mechanism, and cutting mechanism comprises circumcision mechanism 2, cutting frame 3 and side cutting mechanism 4, and fixed frame 1 is provided with fixed line The clamping block 109 of the cable 5 is used to clamp and fix the cable 5. As shown in FIG. 1 Circumferential cutting, the side cutting mechanism 4 is slidably connected with the cutting frame 3. During use, the insulating layer outside the cable 5 is cut by rotating the cutting frame 3 and the ring cutting mechanism 2 to cut the insulating layer, and then the side wall of the insulating layer is separated along the length direction of the cable 5 by the side cutting mechanism 4 , which makes it easy to remove the insulation from the outside of the conductor.

As shown in Figure 2, the fixed frame 1 includes a guide ring 111, one side of the guide ring 111 is rotationally connected with the cutting frame 3, the other side of the guide ring 111 is connected with a support arm 105, and the lower end of the support arm 105 is provided with a socket 107 , the number of clamping blocks 109 is two and relatively arranged, as shown in Figure 3, the side wall of clamping block 109 is connected with the insertion rod 108 that slides with the socket 107, the cross section of the insertion rod 108 and the socket 107 are both Rectangular, the side wall of the support arm 105 is connected with the first screw rod 106, the insertion rod 108 is sleeved on the outside of the first screw rod 106, the insertion rod 108 is threadedly matched with the first screw rod 106, and the cable 5 is located in the guide In the ring 111, the clamping block 109 is driven to clamp and fix the cable 5 by rotating the first screw rod 106, and an anti-slip pad is provided on the clamping surface of the clamping block 109. The friction between the cables 5 can prevent the cables 5 from being damaged.

In order to facilitate the operator to grasp and fix the fixed frame 1, a handle bar 102 is provided on one side of the guide ring 111, and the two ends of the handle bar 102 are respectively connected with a first fixed ring 101 and a second fixed ring 104. The ring 104 is connected to the support arm 105 through the support rod 103 , and the connecting rod 110 is connected between the second fixing ring 104 and the guide ring 111 . The two fixing rings can enhance the structural strength of the fixing frame 1 and bind the cables 5 .

As shown in Figure 8, cutting frame 3 comprises movable handle 301 and fixed handle 303, is connected with parallel guide rod 305 and push rod 307 on the side wall of fixed handle 303, and the quantity of guide rod 305 and push rod 307 is two , and the intervals are relatively arranged, the side wall of the movable handle 301 is connected with a pull rod 302 slidingly connected with the fixed handle 303, the pull rod 302 is connected with the side cutting mechanism 4, the upper end of the guide rod 305 is provided with a guide hole 304, and the guide hole 304 is a through hole , as shown in Figure 9, the side cutting mechanism 4 includes a second cutter 408 that cooperates with the guide hole 304, and 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 line 406, and the outer side of the second cutter 408 is covered with a guide sleeve 407 connected with the pull rod 302, and the side wall of the guide sleeve 407 is connected to the top plate 402 through the support plate 403, and the top plate 402 is located above the second cutter 408, the upper end of the second cutter 408 is provided with a briquetting block 409, the top plate 402 is threaded with a screw 401 that is rotatably connected with the briquetting block 409, and turning the screw 401 can drive the second cutter 408 Slide up and down along the guide sleeve 407 to adjust the cutting depth, pull the movable handle 301, 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, that is, along the line Cable 5 is cut lengthwise.

In order to ensure the stability of the second cutter 408 when sliding and the uniformity of the pulling force received, the number of guide sleeves 407 is two and located on the upper and lower sides of the guide rod 305 respectively, and the two guide sleeves 407 are connected by a Plate 404 is connected, and the both sides of guide rod 305 are connected with slide bar 310, and connecting plate 404 is provided with the slide sleeve 405 that cooperates with slide bar 310, ensures that the second cutting knife 408 can not shift during cutting.

In addition, a second roller 306 is provided at the end of the guide rod 305. As shown in FIG. Circular movement, so as to realize the connection and rotation between the cutting frame 3 and the fixed frame 1.

As shown in Figures 6-7, the circumcision mechanism 2 is connected to the end of the push rod 307. The circumcision mechanism 2 includes a knife cover 201 and a first cutter 202. The knife cover 201 is set on the outside of the first cutter 202. The knife The side wall of cover 201 is provided with the first roller 206 that cooperates with annular groove 112, realizes the circular operation of the first cutting knife 202, can also improve the fastness that connects between cutting frame 3 and fixed frame 1, knife cover 201 and The guide rods 305 are all connected with the fixed ring, which increases the stability of the rotation and the uniformity of the force. The upper end of the knife holder 201 is connected with the second screw mandrel 203, and the upper end of the first cutter 202 is provided with a relief groove 204. The lower end of screw mandrel 203 is rotatably connected with the bottom of give way groove 204, and the side wall of the first cutting knife 202 is provided with first scale line 205, and knife cover 201 is protected to the first cutting knife 202, by rotating the second wire The rod 203 is able to adjust the cutting depth of the first cutter 202 .

When the insulating layer that needs to be cut is longer, or when the cable 5 is relatively soft, in order to prevent the cable 5 from swinging during the cutting process, a third screw mandrel 308 is connected on the side wall of the push rod 307, and the third screw mandrel 308 The end of the cable 5 is provided with a splint 309 to clamp and fix the end of the cable 5 .

As shown in Figure 10, when in use, the cable 5 is peeled by cutting first and then side cutting; first, the cable 5 is passed through the first fixing ring 101, the second fixing ring 104 and the guide ring 111 , adjust the position of the cable 5 according to the cutting length, so that the circumcision position is located at the first cutter 202, the cable 5 is clamped and fixed by the clamp block 109 and the splint 309, and the cable 5 is located at the center of the guide ring 111, and the rotation The second screw mandrel 203 allows the first cutter 202 to be inserted into the insulation layer of the cable 5, the insertion depth is the same as the thickness of the insulation layer of the cable 5, the guide ring 111 is fixed by the handle 102, and the handle 303 or the push rod 307 is fixed. Rotate the cutting frame 3 to make the first cutter 202 ring-cut the insulating layer. Since the number of the first cutter 202 is two, at least a semicircle rotation is required to cut the insulating layer. After the ring cutting is completed, pass through the second wire The rod 203 raises the first cutter 202, so that the first cutter 202 is away from the insulation layer, then, the second cutter 408 is adjusted by the screw 401, the lower knife position of the second cutter 408 starts from the ring cut, and the lower cut The depth is the same as the thickness of the insulating layer, the cutting frame 3 is fixed by the fixed handle 303, the movable handle 301 is pulled, and the side cutting mechanism 4 is driven to move along the guide bar 305, and the side wall of the insulating layer is cut along the length direction of the cable 5. There are two second cutters 408, so they will cut both sides of the insulating layer at the same time. After the cutting, loosen the clamping block 109 and the splint 309, and remove the device from the cable 5. At this time, the insulation that needs to be removed The layer becomes two halves and can be removed directly from the conductor.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.

Claims (8)

1. A power cable stripping device, comprising a cutter, characterized in that: it also includes a fixed mount and a cutting mechanism, and the cutting mechanism includes a circular cutting mechanism, a cutting frame and a side cutting mechanism, and the fixed mount is provided with a fixed wire The clamping block of the cable, the cutting frame is rotatably connected with the fixed frame, the circular cutting mechanism is connected with the cutting frame and follows the cutting frame to cut around the circumference of the fixed frame, the side cutting mechanism is slidingly connected with the cutting frame; the fixed frame includes a guide One side of the guide ring is rotatably connected with the cutting frame, the other side of the guide ring is connected with a support arm, the lower end of the support arm is provided with a socket, and the number of the clamping blocks is two and arranged oppositely, The side wall of the clamping block is connected with an insertion rod that slides with the jack, and the side wall of the support arm is connected with a first screw rod for rotation, and the insertion rod is sleeved on the outside of the first screw rod. threaded fit between a threaded rod; the cutting frame includes a movable handle and a fixed handle, the side wall of the fixed handle is connected with parallel guide rods and push rods, and the side wall of the movable handle is connected with the fixed handle Slidingly connected pull rod, the pull rod is connected with the side cutting mechanism, the pull rod drives the side cutting mechanism to slide along the guide rod, the end of the guide rod is provided with a second roller, and the side wall of the guide ring is provided with a ring that matches the second roller groove, and the circumcision mechanism is connected with the end of the push rod. 2. A kind of power cable stripping device as claimed in claim 1, characterized in that: one side of the guide ring is provided with a handle bar, and the two ends of the handle bar are connected with the first fixing ring and the second ring respectively. A fixed ring, the second fixed ring is connected with the support arm through the support rod. 3. A kind of power cable stripping device as claimed in claim 1, characterized in that: the ring cutting mechanism includes a knife cover and a first cutter, the knife cover covers the outside of the first cutter, and the knife cover The upper end is connected with a second threaded rod, the upper end of the first cutter is provided with a relief groove, the lower end of the second threaded rod is rotatably connected with the bottom of the relief groove, and the side wall of the first cutter is provided with a first notch. degree line. 4. A power cable stripping device according to claim 3, characterized in that: a first roller matching with the annular groove is provided on the side wall of the knife holder. 5. A kind of power cable stripping device as claimed in claim 1, characterized in that: the upper end of the guide rod is provided with a guide hole, the guide hole is a through hole, and the side cutting mechanism includes a The second cutter, the side wall of the second cutter is provided with a second scale line, the outer side of the second cutter is covered with a guide sleeve connected to the pull rod, the side wall of the guide sleeve is connected to the top plate through a support plate, The top plate is located above the second cutter, the upper end of the second cutter is provided with a briquetting block, and the top plate is threaded with a screw rod that is rotatably connected with the briquetting block. 6. A power cable stripping device as claimed in claim 5, characterized in that: the number of the guide sleeves is two and are respectively located on the upper and lower sides of the guide rod, and the two guide sleeves are connected by a The two sides of the guide bar are connected with slide bars, and the connecting plate is provided with a sliding sleeve matched with the slide bar. 7 . The power cable stripping device according to claim 1 , wherein a third threaded rod is connected to the side wall of the push rod, and a splint is provided at the end of the third threaded rod. 8 . 8 . The power cable stripping device according to claim 1 , wherein an anti-slip pad is provided on the side wall of the clamping block. 9 .

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