CN117060286B - Ring longitudinal integrated stripping and cutting device for high-voltage cable outer sheath and metal sheath - Google Patents

Abstract

The invention belongs to the field of power cable cutting, and relates to a ring longitudinal integrated stripping and cutting device for an outer sheath and a metal sheath of a high-voltage cable, which comprises the following components: the milling cutter comprises a conformal roll shaft clamping mechanism, a compacting mechanism and a milling cutter lifting mechanism; the conformal roller clamping mechanism comprises: two clamping plates and a plurality of composite roll shafts. The device can realize the longitudinal mechanical stripping and cutting of rings of the multi-size high-voltage cable outer sheath and the metal sheath, shortens the time to 15 minutes, and can greatly liberate manpower, ensure safety and improve the efficiency and precision of stripping and cutting treatment compared with manual stripping and cutting for nearly 45 minutes. In addition, the device has the advantages of small volume, light weight, convenient carrying and easy operation, and has stronger field applicability.

Description

Ring-longitudinal integrated stripping and cutting device for high-voltage cable outer sheath and metal sheath

Technical field

The invention belongs to the field of power cable cutting, and relates to a ring-longitudinal integrated stripping and cutting device for the outer sheath and metal sheath of high-voltage cables.

Background technique

Due to its superior power supply performance and small footprint, high-voltage cables are increasingly used in urban transmission networks, and the number of high-voltage cable accessories installed has also increased significantly. Stripping and cutting of the outer sheath and metal sheath of high-voltage cables is the first step and a key step in the installation of cable accessories. The speed and quality of stripping and cutting are crucial to the efficiency of accessory installation and the reliability of cable operation. However, because the metal sheath of high-voltage cables has The characteristics of high hardness and large thickness lead to the problems of long manual peeling and cutting time and difficulty in controlling the accuracy. There is an urgent need for mechanized peeling and cutting devices to replace human labor to solve the current dilemma.

Chinese patent CN115065000A discloses a device for circumferential and longitudinal stripping of cables, which includes: a cable barrel for threading cables; telescopic pulleys, which are rotatably installed in the cable barrel. A plurality of telescopic pulleys are installed along the longitudinal and longitudinal sides of the cable barrel. It is evenly distributed in the circumferential direction and expands and contracts along the radial direction of the cable barrel through rotation; the cutter includes a cutter body and a spring rotating device. The cable drum is provided with a window for the cutter body to penetrate and rotate. The spring rotating device includes an elastic connection of the cutter body to There are springs in the window and limit baffles located around the window. The springs are provided with hooks corresponding to the limit baffles, and the rotation angle of the cutter body is limited by the cooperation of the hooks and the limit baffles. However, this device realizes circumferential or longitudinal stripping of cables by rotating the direction of the cutter body. Once the cutter body is not adjusted in place, it will cause stripping errors, resulting in cable loss or scrapping.

Contents of the invention

The object of the present invention is to overcome the shortcomings of the prior art and provide a ring-longitudinal integrated stripping and cutting device for high-voltage cable outer sheaths and metal sheaths, which adopts a conformal roller clamping mechanism to adapt to various cable sheaths. The contour of the sheath is designed, and the roller shaft with adjustable balls is designed to realize the longitudinal and bidirectional movement of the device ring. The depth-adjustable electric drilling and milling cutter is used to ensure efficient and high-precision peeling and cutting of the sheath. This device has the advantages of small size, light weight, easy portability and easy operation. It can realize the ring-longitudinal integrated stripping and cutting of the outer sheath and metal sheath of multi-size high-voltage cables, which helps to improve the efficiency and accuracy of stripping and cutting processing.

The technical solutions adopted by the present invention to solve the technical problems are:

A ring-longitudinal integrated stripping and cutting device for the outer sheath and metal sheath of high-voltage cables, including: a conformable roller clamping mechanism, two pressing mechanisms and a milling cutter lifting mechanism. The conformable roller clamping mechanism includes: two clamping plates and a plurality of composite rollers. The two clamping plates are respectively an upper clamping plate and a lower clamping plate; the plurality of composite rollers are divided into There are two rows of composite rollers in the upper and lower rows symmetrically installed between the upper clamping plate and the lower clamping plate. Two connecting plates are installed on the bottom surface of the upper clamping plate and the top surface of the lower clamping plate. Both ends of the roller shaft are supported by connecting plates. The composite roller shaft includes an inner roller shaft, an outer roller shaft and two baffles. The inner roller shaft includes: a cone cylinder entity that is thin in the middle and thick at both ends and runs through the cone cylinder entity. The rotating shaft has a plurality of grooves formed on the outer surface of the conical cylinder, and a plurality of holes are formed on the shell wall of the outer roller shaft, and the holes correspond to the grooves one by one, and the grooves The bottom surface is an inclined plane with a deep end and a shallow end. At the deep end, the top surface of the ball is flush with the top surface of the orifice. At the shallow end, the top surface of the ball leaks out from the orifice. The outer roller shaft is in contact with the inner roller shaft. Conforming hollow shell structure, the outer roller is sleeved on the outside of the inner roller, and two baffles are installed at both ends of the outer roller. Rotating the baffles causes the outer roller to rotate, driving the balls to rotate. moves within the groove; the two pressing mechanisms are symmetrically installed on both sides of the upper clamping plate and the lower clamping plate; the milling cutter lifting mechanism is installed on the upper clamping plate.

Further, the clamping mechanism includes a clamping screw, a clamping spring and a clamping nut. The clamping screw penetrates the upper clamping plate and the lower clamping plate. The clamping spring is installed on the clamping plate. On the top of the screw rod, a clamping spring is installed on the clamping screw rod between the clamping nut and the upper clamping plate.

Further, the milling cutter lifting mechanism includes a support seat, a feed nut, a power tool mounting seat and a power tool; the support seat is fixedly mounted on the upper clamping plate, and the feed nut and the support seat The top surface of the power tool mounting seat is in contact with the power tool mounting seat. The power tool mounting seat has a first surface and a second surface. The power tool is fixed on the second surface of the power tool mounting seat through a hoop. The first surface of the power tool mounting seat is connected to the top surface of the power tool mounting seat. The slide block is fixedly connected, the slide block is threadedly connected to the screw, and the feed nut is fixedly installed on the top of the screw.

Further, two guide rails are symmetrically installed on the side of the support base, and two guide grooves are formed on the first side of the power tool mounting base corresponding to the two guide rails.

Further, it also includes two bearing retaining rings. The two bearing retaining rings are installed on the rotating shaft of the inner roller shaft and are located between the baffle plate and the connecting plate.

Further, the power tool includes a power motor and a drilling and milling cutter.

Further, it also includes a handle, which is threadedly connected to the top surface of the support base.

The advantages and positive effects of the present invention are:

This device can realize the longitudinal mechanized stripping and cutting of the outer sheath and metal sheath of multi-sized high-voltage cables, and the time is shortened to 15 minutes. Compared with manual stripping and cutting of nearly 45 minutes, it can greatly free up manpower, ensure safety, and improve the efficiency of stripping and cutting. Efficiency and precision. In addition, this device is small in size, light in weight, easy to carry, easy to operate, and has strong on-site applicability.

Description of drawings

Figure 1 is a three-dimensional structural view of a ring-longitudinal integrated stripping and cutting device for high-voltage cable outer sheath and metal sheath according to the embodiment of the present application;

Figure 2 is a front view of the ring-longitudinal integrated stripping and cutting device used for the outer sheath and metal sheath of high-voltage cables according to the embodiment of the present application;

Figure 3 is a side view of the ring longitudinal integrated stripping and cutting device used for the outer sheath and metal sheath of high-voltage cables according to the embodiment of the present application;

Figure 4 is a cross-sectional view of a composite roller according to an embodiment of the present application;

Figure 5 is a three-dimensional structural view of the composite roller according to the embodiment of the present application;

Figure 6 is a three-dimensional structural view of the inner roller shaft according to the embodiment of the present application;

Figure 7 is a partial structural diagram of the milling cutter lifting mechanism according to the embodiment of the present application.

Among them, the above-mentioned drawings include the following reference signs:

1-conforming roller clamping mechanism; 11-upper clamping plate; 12-lower clamping plate; 13-composite roller; 131-inner roller; 132-outer roller; 133-baffle; 134-ball ; 14-connecting plate; 15-bearing retaining ring; 2-pressing mechanism; 21-clamping screw; 22-clamping spring; 23-clamping nut; 3-milling cutter lifting mechanism; 31-support seat; 32- Feed nut; 33-power tool mounting seat; 34-power tool; 35-guide rail; 36-hoop; 37-hand handle; 38-slider; 4-high voltage cable; 5-groove; 6-hole ;7-First side;8-Second side.

Detailed ways

The present invention will be further described in detail below through specific examples. The following examples are only descriptive, not restrictive, and cannot be used to limit the scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "top", "bottom", "inner", "outer", etc. indicate an orientation or position. The relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore It should not be construed as a limitation of the present invention. In addition, the terms “first” and “second” are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, features defined as “first” and “second” may explicitly or implicitly include one or more of the described features. In the description of the present invention, "plurality" means two or more than two, unless otherwise explicitly and specifically limited.

As shown in Figure 1, a ring-longitudinal integrated stripping and cutting device for the outer sheath and metal sheath of high-voltage cables includes: a conformable roller clamping mechanism 1, two pressing mechanisms 2 and a milling cutter lifting mechanism 3.

As shown in Figures 2 and 3, the conformable roller clamping mechanism 1 includes: two clamping plates and a plurality of composite rollers 13. The two clamping plates are an upper clamping plate 11 and a lower clamping plate 12 respectively; the plurality of composite rollers 13 are divided into two rows, upper and lower, and the two rows of composite rollers 13 are symmetrically installed on the upper clamping plate 11 and between the lower clamping plate 12.

In order to support the composite roller shaft 13, two connecting plates 14 are respectively installed on the bottom surface of the upper clamping plate 11 and the top surface of the lower clamping plate 12.

The composite roller 13 adopts a cone-cylindrical structure, which is thin in the middle and thick at the ends, and can adapt to multi-sized high-voltage cables 4. The arrangement of multiple composite rollers 13 can effectively ensure the clamping stability.

As shown in FIGS. 4 and 5 , the composite roller 13 includes an inner roller 131 , an outer roller 132 and two baffles 133 . In order to prevent friction between the composite roller shaft 13 and the side connecting plate 14 when rotating, a bearing retaining ring 15 is installed on the rotating shaft of the inner roller shaft 131 between the baffle plate 133 and the connecting plate 14 .

As shown in Figure 6, the inner roller shaft 131 includes: a conical column entity that is thin in the middle and thick at both ends, and a rotating shaft that passes through the cone column entity. A plurality of grooves 5 are formed on the outer surface of the cone column entity. A plurality of openings 6 are formed on the shell wall of the roller shaft 132, and the openings 6 correspond to the groove 5 one by one. The bottom surface of the groove 5 is an inclined plane with a deep end and a shallow end. At the deep end , the top surface of the ball 134 is flush with the top surface of the orifice 6 , and at the shallow end, the top of the ball 134 can leak out from the orifice 6 . Alternatively, the groove 5 may have a trapezoidal cross-section. The outer roller 132 is a hollow shell structure conforming to the inner roller 131 , and the outer roller 132 is sleeved on the outside of the inner roller 131 . Two baffles 133 are installed at both ends of the outer roller 132 . The rotating baffles 133 can rotate the outer roller 132 , thereby driving the balls 134 to move in the groove 5 . The baffle 133 ensures good fixation and rotation of the outer roller 132 . In the first gear state, the ball 134 at the hole 6 of the outer roller 132 is driven by the outer roller 132 to the shallow end of the groove 5 of the inner roller 131 , and the ball 134 moves from The hole 6 of the outer roller shaft 132 leaks out. In the second gear state, the ball 134 at the hole 6 of the outer roller shaft 132 is driven by the outer roller shaft 132 to the groove of the inner roller shaft 131 5, the ball 134 cannot leak out from the hole 6 of the outer roller shaft 132.

The clamping mechanism 2 is used to clamp the high-voltage cable 4 accordingly. The clamping mechanism 2 includes a clamping screw 21, a clamping spring 22 and a clamping nut 23. The clamping screw 21 penetrates the upper clamping plate 11 and the lower clamping plate 12. The clamping nut 23 is installed At the top of the clamping screw 21 , a clamping spring 22 is installed on the clamping screw 21 between the clamping nut 23 and the upper clamping plate 11 . The upper clamping plate 11 is pressed by the clamping nut 23 above the clamping spring 22 . The rotating clamping nut 23 is used to compress the clamping spring 22 to ensure that the composite roller 13 closely fits the cable sheath.

As shown in Figures 3 and 7, the milling cutter lifting mechanism 3 includes a support seat 31, a feed nut 32, a power tool mounting seat 33, a power tool 34 and a slider 38; the support seat 31 is fixed on the On the upper clamping plate 11, the feed nut 32 is in contact with the top surface of the support seat 31. The power tool mounting seat 33 has a first surface 7 and a second surface 8. The power tool mounting seat 33 has The first surface 7 is fixedly connected to the slider 38. The slider 38 is threadedly connected to the screw. A feed nut 32 is fixed on the top of the screw. Rotating the feed nut 32 can make the slider 38 on the screw. Move vertically.

For guidance, two guide rails 35 are symmetrically installed on the side of the support base 31 , and two guide grooves are formed on the first surface 7 of the power tool mounting base 33 corresponding to the two guide rails 35 .

The power tool 34 is fixed on the second surface 8 of the power tool mounting seat 33 through the hoop 36 . The power tool 34 includes a power motor and a drilling and milling cutter. A high-power DC motor is used as the power source of the ring longitudinal integrated stripping and cutting device. Two power supply modes, battery and power adapter, can be used to drive the power tool 34 to complete the sheath stripping and cutting, and the drilling and milling cutter can be replaced.

In order to facilitate hand holding and operation, a hand handle 37 is threadedly connected to the top surface of the support base 31 .

How to use this device is:

Adjust the clamping nut 23 to clamp the high-voltage cable 4 through the clamping spring 22. Rotate the feed nut 32 to adjust the depth of the power tool 34. When performing circumferential cutting, move the baffle 133 to the first gear state, and the ball 134 will leak out. Above the hole 6, the composite roller shaft 13 is locked and fixed by the built-in block. Hold the handle 37 with one hand and rotate the high-voltage cable 4 with the other hand, so that the high-voltage cable 4 rotates with the rotation of the ball 134 to achieve circumferential cutting. ; When performing longitudinal cutting, move the baffle 133 to the second gear state, the ball 134 is in a recessed state, the top surface of the ball 134 is flush with the top surface of the orifice 6, hold the handle 37 with one hand, and hold the handle 37 with the other hand. Push the high-voltage cable 4 by hand so that the high-voltage cable 4 moves forward as the composite roller 13 rolls as a whole to achieve longitudinal cutting.

What is described above is only the preferred embodiment of the present invention. It should be pointed out that for those of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the invention, and these all belong to the scope of the present invention. protected range.

Claims (7)

1. A vertical integration of ring is shelled and is cut device for high tension cable oversheath and metal sheath, characterized by comprising:

a conformal roller clamping mechanism (1), the conformal roller clamping mechanism (1) comprising:

the two clamping plates are respectively an upper clamping plate (11) and a lower clamping plate (12);

the composite roll shafts (13) are divided into an upper row and a lower row, the composite roll shafts (13) in the two rows are symmetrically arranged between the upper clamping plate (11) and the lower clamping plate (12), two connecting plates (14) are respectively arranged on the bottom surface of the upper clamping plate (11) and the top surface of the lower clamping plate (12), two ends of the composite roll shafts (13) are supported by the connecting plates (14),

the compound roller (13) includes interior roller (131), outer roller (132) and two baffles (133), interior roller (131) include: the outer surface of the conical column entity is provided with a plurality of grooves (5), the shell wall of the outer roll shaft (132) is provided with a plurality of holes (6), the holes (6) are in one-to-one correspondence with the grooves (5), the bottom surface of the grooves (5) is an inclined surface and is provided with a deep end and a shallow end, the top surface of the ball (134) is flush with the top surface of the holes (6) at the deep end, the top of the ball (134) leaks out of the holes (6) at the shallow end, the outer roll shaft (132) is of a hollow shell structure which is in shape along with the inner roll shaft (131), the outer roll shaft (132) is sleeved on the outer side of the inner roll shaft (131), two baffles (133) are arranged at two ends of the outer roll shaft (132), and the rotating baffles (133) enable the outer roll shaft (132) to rotate so as to drive the ball (134) to move in the grooves (5);

the two pressing mechanisms (2) are symmetrically arranged on two sides of the upper clamping plate (11) and the lower clamping plate (12);

and the milling cutter lifting mechanism (3), wherein the milling cutter lifting mechanism (3) is arranged on the upper clamping plate (11).

2. The ring longitudinal integrated stripping and cutting device for the high-voltage cable outer sheath and the metal sheath according to claim 1, wherein the pressing mechanism (2) comprises a clamping screw (21), a clamping spring (22) and a clamping nut (23), the clamping screw (21) penetrates through the upper clamping plate (11) and the lower clamping plate (12), the clamping spring (22) is mounted on the top of the clamping screw (21), and the clamping spring (22) is sleeved on the clamping screw (21) between the clamping nut (23) and the upper clamping plate (11).

3. The ring longitudinal integrated stripping and cutting device for the high-voltage cable outer sheath and the metal sheath according to claim 2, wherein the milling cutter lifting mechanism (3) comprises a supporting seat (31), a cutter feeding nut (32), a power cutter mounting seat (33) and a power cutter (34); the supporting seat (31) is fixedly arranged on the upper clamping plate (11), the feed nut (32) is in contact with the top surface of the supporting seat (31), the power tool mounting seat (33) is provided with a first surface (7) and a second surface (8), the power tool (34) is fixedly arranged on the second surface (8) of the power tool mounting seat (33) through a hoop (36), the first surface (7) of the power tool mounting seat (33) is fixedly arranged and connected with the sliding block (38), the sliding block (38) is in threaded connection with a screw, and the feed nut (32) is fixedly arranged at the top of the screw.

4. A ring longitudinal integrated stripping and cutting device for high voltage cable outer sheath and metal sheath according to claim 3, characterized in that two guide rails (35) are symmetrically installed on the side surface of the supporting seat (31), and two guide grooves are formed on the first surface (7) of the power tool mounting seat (33) corresponding to the two guide rails (35).

5. The ring longitudinal integrated stripping and cutting device for the outer sheath and the metal sheath of the high-voltage cable according to claim 4, further comprising two bearing retainers (15), wherein the two bearing retainers (15) are installed on the rotating shaft of the inner roller shaft (131) and are located between the baffle plate (133) and the connecting plate (14).

6. The ring longitudinal integrated stripping and cutting device for high voltage cable sheath and metal sheath according to claim 5, characterized in that the power tool (34) comprises a power motor and a drill and milling cutter.

7. The ring longitudinal integrated stripping and cutting device for high voltage cable outer sheath and metal sheath according to claim 6, further comprising a hand shank (37), wherein the hand shank (37) is screwed on the top surface of the support base (31).