Ring cutting device applied to power transmission stranded wire and use method of ring cutting device

Abstract

The invention discloses an annular cutting device applied to a power transmission stranded wire and a using method thereof, and relates to the technical field of shearing, the annular cutting device comprises a hoop, a shearing mechanism and a positioning mechanism, one side of the hoop is provided with a shell, the shearing mechanism is installed in an inner cavity of the shell, and the positioning mechanism is installed on the hoop; the shearing mechanism comprises an auxiliary assembly, a connecting groove, a sliding block, an electric telescopic rod and a sawing assembly, the auxiliary assembly is arranged on one side of the hoop, the connecting groove is formed in an inner cavity of the shell, the electric telescopic rod is installed at one end of the sliding block, and the sawing assembly is installed on the sliding block. By means of the arrangement mode that the clamp, the shell and the shearing mechanism are matched, the sawing assembly on the shearing mechanism can shear a wire guide layer of a stranded wire in a stable annular shape through the positioning mechanism, the extension distance of the sawing assembly is conveniently controlled through the arrangement of the electric telescopic rod, the device is suitable for precise annular cutting of stranded wires of different specifications, and the working efficiency is improved. And the cutting stability is improved.

Description

Technical Field

[0001] The invention relates to the field of shearing technology, and in particular to a ring cutting device for power transmission stranded wires and a use method thereof. Background Art

[0002] Stranded wires are widely used in power systems, especially in transmission lines. Transmission stranded wires are made of multiple filamentary conductor materials twisted together in a certain direction. Transmission lines of different specifications have different numbers of twisted layers. This twisted structure enables the stranded wires to support and share stress with each other when subjected to external forces, thereby improving the overall mechanical strength. However, when connecting the transmission stranded wires, the outer wall of the stranded wires needs to be sheared so that the conductor wires of different twisted layers can be exposed for connection.

[0003] The existing devices for cutting the power transmission wires are hand-held cutting scissors and cutting machines. However, the cutting machines are only suitable for cutting the wires in fixed places, which is inconvenient for cutting the outdoor wires. The hand-held cutting scissors require manpower to clamp and cut, and the cutting depth cannot be controlled. In addition, due to the different diameters of the wire tubes of power transmission wires of different specifications, it is easy to mistakenly cut the guide wires of other twisted layers, affecting the stability of the cutting of the power transmission wires. Summary of the invention

[0004] The object of the present invention is to provide a ring cutting device for power transmission stranded wire and a method of using the same, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a ring cutting device applied to a power transmission stranded wire, comprising: a clamp, one side of which is provided with a shell; It also includes: a shearing mechanism and a positioning mechanism, the shearing mechanism is installed in the inner cavity of the shell, the shearing mechanism is used for sawing the stranded wire at a fixed distance, the positioning mechanism is installed on the clamp, the positioning mechanism is used for the clamp to locate the axis of the stranded wire, and the shearing mechanism includes: An auxiliary component, wherein the auxiliary component is arranged on one side of the clamp; A connecting groove, the connecting groove is opened in the inner cavity of the shell; A slider, the slider slides in the inner cavity of the connecting groove; An electric telescopic rod, wherein the electric telescopic rod is mounted on one end of the slider; A sawing assembly is mounted on the slide block.

[0006] Preferably, the positioning mechanism comprises: A first top block, the first top block is slidably inserted into the bottom of the clamp; A second top block, the second top block is slidably inserted into the top of the clamp; A rotating assembly, wherein the rotating assembly is mounted on the outer wall of the clamp; A linkage assembly, wherein the linkage assembly is installed on one side of the first top block, the rotating assembly is used for synchronous movement of the second top block and the linkage assembly, and the first top block and the second top block are used for locking the twisted wires at the same distance; A locating ring is installed on the other side of the clamp.

[0007] Preferably, the second top block comprises: A push block and a connecting tooth groove, wherein the push block is slidably and interlacedly connected with the top of the clamp, the connecting tooth groove is arranged on the top of the push block, and the connecting tooth groove is connected with the rotating component.

[0008] Preferably, the rotating assembly comprises: A fixing plate, the fixing plate being fixed to the outer wall of the clamp; An arc plate, wherein the arc plate is fixed to the sides of two adjacent fixed plates; A rotating block, the rotating block is rotatably interlaced and connected with the middle part of the fixed plate through a bearing; A gear, the gear being fixed to the middle of the rotating block, the gear being used for reverse driving of the second top block and the linkage assembly, the linkage assembly being arranged on one side of the gear; A cross bar, wherein the cross bar is fixed between two adjacent fixing plates; A first compression spring, wherein the first compression spring is fixed to the bottom of the crossbar; A T-shaped block, which is sleeved in the inner cavity of the first compression spring and is slidably connected with the middle portion of the crossbar; A clamping block is fixed to the bottom of the T-block, the clamping block is used for clamping the gear, and the clamping block is fixedly connected to the bottom of the first compression spring.

[0009] Preferably, the linkage component comprises: A bending rod, the bending rod is slidably and interpenetratingly connected with the inner cavity of the positioning ring; A linkage tooth groove, wherein the linkage tooth groove is provided at the top of the bending rod, and the bending rod is connected to the outer wall of the gear through the linkage tooth groove; A second compression spring, wherein the second compression spring is fixed to the bottom of the bending rod; The insertion rod is fixed to one end of the second compression spring, and the insertion rod is inserted through the bottom of the bending rod and extends to be inserted and connected with the bottom of the first top block.

[0010] Preferably, the auxiliary components include: A first snap ring, wherein the first snap ring is fixed to one end of the housing; A second snap ring, the second snap ring is rotatably inserted into one end of the housing through a pin shaft, and the first snap ring and the second snap ring form a circular ring structure; A roller, the roller being rotatably embedded in the inner walls of the first clamping ring and the second clamping ring; A limiting groove, wherein the limiting groove is opened on one side of the first clamping ring and one side of the second clamping ring; A limit block, the limit block is clamped in the inner cavity of the limit groove, and the limit block is fixed to one side of the clamp; The balls are equidistantly embedded in a ring array on one side of the clamp, and the balls are in close contact and rolling connection with the outer walls of the first clamp ring and the second clamp ring.

[0011] Preferably, the sawing assembly comprises: A rotating column, the rotating column is rotatably interlaced and connected with one end of the sliding block through a bearing; A saw blade, the saw blade is fixed to the middle of the rotating column, and the saw blade is rotatably connected to one end of the sliding block; A synchronization component, wherein the synchronization component is arranged in the inner cavity of the slider; A rotating shaft, the rotating shaft is rotatably inserted into the other end of the slider through a bearing, and the synchronization component is installed between the rotating shaft and the rotating column; A servo motor is fixed to the top of the slide block through a support frame.

[0012] Preferably, the output end of the servo motor is transmission-connected to one end of the rotating shaft, and the electric telescopic rod realizes the telescopic movement of the saw blade in the inner cavity of the auxiliary component by pushing the sliding block.

[0013] Preferably, buckles are installed at the open ends of the first clamping ring and the second clamping ring, a controller is fixedly embedded at one end of the outer wall of the shell, and a hand-held ring is opened at the other end of the shell.

[0014] The present invention also provides a method for using a ring cutting device for a power transmission stranded wire, comprising the following specific steps: Step 1: Pass the power transmission stranded wire through the inner cavity of the clamp and the first clamp ring, and make the saw blade correspond to the shearing position on the stranded wire, lock the clamp with a bolt, and clamp the second clamp ring with the first clamp ring with a buckle; Step 2: Pull the T-block to release the locking of the gear by its clamping block, rotate the rotating block to rotate the gear, move the meshing connecting tooth groove and the linkage tooth groove in opposite directions respectively, move the second top block downward, and synchronously push the first top block upward by the bending rod. The moving distance of the second top block and the first top block is equal, so that the second top block and the first top block can synchronously squeeze and lock the outer wall of the stranded wire, loosen the T-block, and clamp the gear by its clamping block, so that the clamp is clamped on the stranded wires of different diameters, and the center of the clamp is opposite to the center of the stranded wire; Step three: According to the thickness of the guide wire layer that needs to be sawed on the stranded wire, control the extension distance of the electric telescopic rod, start the servo motor, and through the connection of the synchronization component, make its rotating column rotate synchronously with the rotating shaft so that the saw blade can rotate, start the electric telescopic rod, so that the saw blade can move toward the inner cavity of the first clamping ring and the second clamping ring, and cut the outer wall of the stranded wire to the set depth, manually rotate the shell, and under the connection of the limit block and the limit groove, the saw blade can perform annular shearing of a fixed depth on the outer wall of the stranded wire with the center of the stranded wire.

[0015] Technical effects and advantages of the present invention: (1) The present invention utilizes a configuration in which a clamp, a housing, and a shearing mechanism cooperate with each other. Through a positioning mechanism, the clamp can clamp strands of different diameters and make the center of the clamp correspond to the center of the strand, so that the sawing assembly on the shearing mechanism can shear the guide wire layer of the strand in a stable ring shape. Furthermore, through the configuration of an electric telescopic rod, it is convenient to control the extension distance of the sawing assembly, which is suitable for accurate ring cutting of strands of different specifications, thereby improving cutting stability. (2) The present invention utilizes a configuration method in which the auxiliary component and the clamp cooperate with each other, so that the auxiliary component can be rotated in a circular manner according to the clamp, so that its shell can be rotated about the center of the clamp, so that the sawing component can be stably rotated in a circular manner about the center of the stranded wire, thereby reducing the phenomenon that the cutting distance cannot be accurately controlled due to hand-held operation, reducing the sawing component from cutting the inner guide wire of the stranded wire by mistake, improving the stability of the circular cutting device during use, and reducing the error in shearing the outer guide wire of the stranded wire; (3) The present invention utilizes a setting method in which the shell and the positioning mechanism are coordinated. Through the setting of the shell, the ring cutting device is convenient for use in different places, thereby improving the functionality of the device. The positioning mechanism facilitates the stable clamping of stranded wires of different specifications, thereby avoiding the phenomenon that the clamp and the center of the stranded wire do not correspond. The operation steps are simple, thereby improving the tightness of the connection between the clamp and the stranded wire and improving the stability of the shear mechanism on the shell during ring cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 It is a front cross-sectional structural schematic diagram of the shell of the present invention.

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the shell of the present invention in top view.

[0019] Figure 4 It is a schematic diagram of the top view of the structure of the clamp of the present invention.

[0020] Figure 5 It is a schematic diagram of the overall structure of the clamp of the present invention.

[0021] Figure 6 For the present invention Figure 1 Schematic diagram of the local enlarged structure at point A in the middle.

[0022] Figure 7 It is a schematic diagram of the back structure of the clamp of the present invention.

[0023] Figure 8 It is a schematic diagram of the side structure of the gear of the present invention.

[0024] Fig. 9 It is a schematic diagram of the overall structure of the fixing plate of the present invention.

[0025] In the figure: 1, clamp; 2, shell; 3, shearing mechanism; 31, auxiliary component; 311, first clamp ring; 312, second clamp ring; 313, roller; 314, limit groove; 315, limit block; 316, ball; 32, connecting groove; 33, slider; 34, electric telescopic rod; 35, sawing component; 351, rotating column; 352, saw blade; 353, synchronization component; 354, rotating shaft; 355, servo motor; 4, positioning mechanism; 41, first top block ; 42. Second top block; 421. Push block; 422. Connecting tooth groove; 43. Rotating assembly; 431. Fixed plate; 432. Arc plate; 433. Rotating block; 434. Gear; 435. Crossbar; 436. First compression spring; 437. T-block; 438. Block; 44. Linkage assembly; 441. Bending rod; 442. Linkage tooth groove; 443. Second compression spring; 444. Inserting rod; 45. Positioning ring; 5. Buckle; 6. Controller; 7. Hand-held ring. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] The present invention provides Figure 1-9 The illustrated embodiment shows a ring cutting device for a power transmission stranded wire, comprising: a clamp 1, a shearing mechanism 3 and a positioning mechanism 4. The clamp 1 is made of stainless steel, a shell 2 is provided on one side of the clamp 1, the shearing mechanism 3 is installed in the inner cavity of the shell 2, the shearing mechanism 3 is used for sawing the stranded wire at a fixed distance, the positioning mechanism 4 is installed on the clamp 1, the positioning mechanism 4 is used for the clamp 1 to locate the axis of the stranded wire, and the positioning mechanism 4 is used for the clamp 1 to clamp stranded wires of different specifications.

[0028] The shearing mechanism 3 includes: an auxiliary component 31, a connecting groove 32, a slider 33, an electric telescopic rod 34 and a sawing component 35. The auxiliary component 31 is arranged on one side of the clamp 1. The connecting groove 32 is opened in the inner cavity of the shell 2. The slider 33 slides in the inner cavity of the connecting groove 32, and the slider 33 is slidably inserted and connected with one end of the shell 2. The electric telescopic rod 34 is installed at one end of the slider 33. The electric telescopic rod 34 is fixedly inserted in the other end of the shell 2, and a battery component is installed on one side of the shell 2. The battery component is electrically connected to the electric telescopic rod 34, so that the battery component can power the electric telescopic rod 34. The sawing component 35 is installed on the slider 33. The sawing component 35 is used to shear the stranded wire in the inner cavity of the auxiliary component 31. Specifically, the auxiliary component 31 includes: a first snap ring 311, a second snap ring 312, a roller 313, a limiting groove 314, a limiting block 315 and a ball 316. The first snap ring 311 is fixed to one end of the housing 2, and the second snap ring 312 is inserted into one end of the housing 2 by rotating through a pin shaft. The first snap ring 311 and the second snap ring 312 form a circular ring structure. The open ends of the first snap ring 311 and the second snap ring 312 are equipped with buckles 5, which facilitate the first snap ring 311 and the second snap ring 312 to be connected. 2 can be formed into a whole circular ring structure, and the center of the circle formed by the first clamp ring 311 and the second clamp ring 312 is opposite to the center of the clamp 1, and the roller 313 is rotatably embedded in the inner wall of the first clamp ring 311 and the second clamp ring 312 to reduce the friction damage between the stranded wire and the inner wall of the first clamp ring 311 and the second clamp ring 312, and the limiting groove 314 is opened on one side of the first clamp ring 311 and one side of the second clamp ring 312, and the limiting groove 314 is an annular groove structure, and the limiting groove 314 is connected with the limiting block 3 The limit block 315 is connected to the inner cavity of the limit groove 314, and the limit block 315 is fixed to one side of the clamp 1. Both sides of the top of the clamp 1 are fixedly connected to the limit block 315. The limit block 315 is fixed by a sphere and a cylinder. The limit block 315 can be inserted into the inner cavity of the limit groove 314 by the open ends of the first clamp ring 311 and the second clamp ring 312 separated by rotation, which is also convenient for the separation between the limit block 315 and the limit groove 314, and the first clamp ring 311 and the second The separation between the clamp ring 312 and the clamp 1 facilitates the coaxial rotation of the first clamp ring 311 and the second clamp ring 312 with the clamp 1. The balls 316 are equidistantly embedded in a ring array on one side of the clamp 1. The balls 316 are in close contact with the outer walls of the first clamp ring 311 and the second clamp ring 312 and are connected in a rolling manner. The balls 316 improve the stability of the distance between the clamp 1 and the first clamp ring 311 and the second clamp ring 312, so that the housing 2 can drive the shearing mechanism 3 to perform coaxial shearing on one side of the clamp 1. Specifically, the sawing assembly 35 includes: a rotating column 351, a saw blade 352, a synchronization assembly 353, a rotating shaft 354 and a servo motor 355. The rotating column 351 is rotatably interlaced with one end of the slider 33 through a bearing, the rotating column 351 is slidably interlaced with the middle part of the first clamping ring 311, the saw blade 352 is fixed to the middle part of the rotating column 351, the saw blade 352 is rotatably connected to one end of the slider 33, the synchronization assembly 353 is arranged in the inner cavity of the slider 33, the rotating shaft 354 is rotatably interlaced with the other end of the slider 33 through a bearing, the synchronization assembly 353 is installed between the rotating shaft 354 and the rotating column 351, the synchronization assembly 353 includes a chain and two sprockets, the two sprockets are respectively fixed to the bottom of the rotating shaft 354 and the bottom of the rotating column 351, the chain is arranged on the two sprockets, and the servo motor 355 is fixed to the slider 33 through a support frame At the top, the output end of the servo motor 355 is transmission-connected to one end of the rotating shaft 354, and the servo motor 355 is connected to the battery assembly. The rotating shaft 354 is rotated by the drive of the servo motor 355, and the synchronization of the synchronization assembly 353 is used to enable the rotating column 351 to drive the saw blade 352 to rotate stably at one end of the slider 33, so that the saw blade 352 can saw the outer wall of the stranded wire guide wire in contact, and the electric telescopic rod 34 realizes the telescopic movement of the saw blade 352 in the inner cavity of the auxiliary assembly 31 by pushing the slider 33. A controller 6 is fixedly embedded at one end of the outer wall of the shell 2, and the controller 6 is connected to the electric telescopic rod 34 and the servo motor 355, so that the controller 6 can control the telescopic distance of the electric telescopic rod 34, and the extension distance of the saw blade 352, so that the saw blade 352 can accurately shear the guide wire layer of the stranded wire.

[0029] The positioning mechanism 4 includes: a first top block 41, a second top block 42, a rotating assembly 43, a linkage assembly 44 and a positioning ring 45. The first top block 41 is slidably inserted into the bottom of the clamp 1, and the second top block 42 is slidably inserted into the top of the clamp 1. The second top block 42 includes: a top block 421 and a connecting tooth groove 422. The top block 421 is slidably inserted into the top of the clamp 1, and the connecting tooth groove 422 is provided at the top of the top block 421. The opposite ends of the first top block 41 and the top block 421 are both made of wear-resistant rubber material, so that the opposite ends of the first top block 41 and the top block 421 can fit tightly with the outer wall of the stranded wire, so that the clamp 1 can be stably clamped with the stranded wire in the same center; Furthermore, the rotating assembly 43 is installed on the outer wall of the clamp 1, and the connecting tooth groove 422 is connected to the rotating assembly 43. The rotating assembly 43 includes: two fixed plates 431, two arc plates 432, a rotating block 433, a gear 434, a cross bar 435, a first compression spring 436, a T-block 437 and a clamping block 438. The fixed plate 431 is fixed to the outer wall of the clamp 1, and the two fixed plates 431 are respectively located on both sides of the second top block 42. The arc plate 432 is fixed to the sides of the two adjacent fixed plates 431. The top of the second top block 42 is slidably connected to the inner cavity of one of the arc plates 432. The rotating block 433 is rotatably connected with the middle part of the fixed plate 431 through a bearing. The gear 434 is fixed to the middle part of the rotating block 433. The gear 434 is used for reverse driving of the second top block 42 and the linkage assembly 44. The rotating block 433 is manually rotated , so that the gear 434 can rotate stably, the cross bar 435 is fixed between the two adjacent fixing plates 431, the first compression spring 436 is fixed to the bottom of the cross bar 435, the T-block 437 is sleeved in the inner cavity of the first compression spring 436, and the T-block 437 is slidably inserted and connected with the middle part of the cross bar 435, and the clamping block 438 is fixed to the bottom of the T-block 437, and the clamping block 438 is used for clamping the gear 434, and the clamping block 438 is fixedly connected with the bottom of the first compression spring 436. By pulling the T-block 437, the first compression spring 436 is in a compressed state, so that the clamping block 438 is separated from the outer wall of the gear 434, so that the gear 434 can rotate, and the T-block 437 is released to reset the first compression spring 436, so that the clamping block 438 can mesh with the outer wall of the gear 434, so that the gear 434 will not rotate at will; Furthermore, the linkage assembly 44 is installed on one side of the first top block 41, the rotating assembly 43 is used for the synchronous movement of the second top block 42 and the linkage assembly 44, the first top block 41 and the second top block 42 are used for the same-distance locking of the twisted wires, the positioning ring 45 is installed on the other side of the clamp 1, and the linkage assembly 44 is arranged on one side of the gear 434. The linkage assembly 44 includes: a bending rod 441, a linkage tooth groove 442, a second compression spring 443 and an insertion rod 444, the bending rod 441 is slidably inserted and connected with the inner cavity of the positioning ring 45, the top of the bending rod 441 is slidably connected with the inner wall of the other arc plate 432, the linkage tooth groove 442 is opened at the top of the bending rod 441, and the bending rod 441 is connected to the outer wall of the gear 434 through the linkage tooth groove 442, and the outer wall of the gear 434 is respectively connected to the connecting tooth groove 422 and the linkage tooth groove The groove 442 is meshed and connected, and the rotation of the gear 434 facilitates the second top block 42 and the bending rod 441 to perform synchronous movement in opposite directions. The second compression spring 443 is fixed to the bottom of the bending rod 441, and the insertion rod 444 is fixed to one end of the second compression spring 443. The insertion rod 444 is inserted with the bottom of the bending rod 441 and extends to be inserted and connected with the bottom of the first top block 41. Through the insertion of the insertion rod 444 and the first top block 41, the first top block 41 can follow the bending rod 441 for synchronous movement, so that the first top block 41 and the second top block 42 can slide relative to each other at the same distance, so that the first top block 41 and the second top block 42 can stably clamp the middle stranded wire of the clamp 1, so that the center of the stranded wire corresponds to the center position of the clamp 1, further improving the accuracy and stability of the sawing assembly 35 in shearing the outer wall of the stranded wire.

[0030] A hand-holding ring 7 is provided at the other end of the housing 2 to facilitate the operator to rotate the housing 2 and to hold the housing 2 for easy access.

[0031] Method of use of the present invention: Pass the power transmission strand through the inner cavity of the clamp 1 and the first clamp ring 311, and make the saw blade 352 correspond to the shearing position on the strand, lock the clamp 1 with bolts, and clamp the second clamp ring 312 with the first clamp ring 311 with the buckle 5; Pull the T-block 437 so that the block 438 releases the lock on the gear 434, rotate the rotating block 433, rotate the gear 434, and move the meshing connecting tooth groove 422 and the linkage tooth groove 442 in opposite directions respectively, so that the second top block 42 moves down, and the synchronous bending rod 441 pushes up the first top block 41, and the moving distances of the second top block 42 and the first top block 41 are equal, so that the second top block 42 and the first top block 41 can synchronously squeeze and lock the outer wall of the stranded wire, loosen the T-block 437, and make the block 438 clamp the gear 434, so that the clamp 1 is clamped on the stranded wires of different diameters, and the center of the clamp 1 is opposite to the center of the stranded wire; According to the thickness of the guide wire layer that needs to be sawed on the stranded wire, the extension distance of the electric telescopic rod 34 is controlled, and the servo motor 355 is started. Through the connection of the synchronization component 353, the rotating column 351 is made to rotate synchronously with the rotating shaft 354, so that the saw blade 352 can rotate, and the electric telescopic rod 34 is started, so that the saw blade 352 can move toward the inner cavity of the first clamping ring 311 and the second clamping ring 312, and cut the outer wall of the stranded wire to a set depth, and the shell 2 is manually rotated, and under the connection of the limit block 315 and the limit groove 314, the saw blade 352 can perform annular shearing of a fixed depth on the outer wall of the stranded wire with the center of the stranded wire.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A ring cutting device for a power transmission stranded wire, comprising: A clamp (1), wherein a housing (2) is provided on one side of the clamp (1); The invention is characterized in that it further comprises: a shearing mechanism (3) and a positioning mechanism (4), wherein the shearing mechanism (3) is installed in the inner cavity of the housing (2), and is used for sawing the stranded wire at a fixed distance; the positioning mechanism (4) is installed on the clamp (1), and is used for positioning the clamp (1) on the axis of the stranded wire; the shearing mechanism (3) comprises: An auxiliary component (31), wherein the auxiliary component (31) is arranged on one side of the clamp (1); A connecting groove (32), wherein the connecting groove (32) is formed in the inner cavity of the housing (2); A slider (33), the slider (33) sliding in the inner cavity of the connecting groove (32); An electric telescopic rod (34), wherein the electric telescopic rod (34) is mounted on one end of the slider (33); A sawing assembly (35), wherein the sawing assembly (35) is mounted on the slide block (33).

2. A ring cutting device for use in a power transmission stranded wire according to claim 1, characterized in that: The positioning mechanism (4) comprises: A first top block (41), the first top block (41) being slidably inserted into the bottom of the clamp (1); A second top block (42), the second top block (42) being slidably inserted into the top of the clamp (1); A rotating assembly (43), wherein the rotating assembly (43) is mounted on an outer wall of the clamp (1); A linkage assembly (44), the linkage assembly (44) being mounted on one side of the first top block (41), the rotating assembly (43) being used for synchronous movement of the second top block (42) and the linkage assembly (44), the first top block (41) and the second top block (42) being used for locking the twisted wires at the same distance; A positioning ring (45) is installed on the other side of the clamp (1).

3. A ring cutting device for use in a power transmission stranded wire according to claim 2, characterized in that: The second top block (42) comprises: A push block (421) and a connecting tooth groove (422), wherein the push block (421) is slidably interlaced with the top of the clamp (1), the connecting tooth groove (422) is opened at the top of the push block (421), and the connecting tooth groove (422) is connected to the rotating component (43).

4. The ring cutting device for power transmission stranded wire according to claim 2, characterized in that: The rotating assembly (43) comprises: A fixing plate (431), wherein the fixing plate (431) is fixed to an outer wall of the clamp (1); An arc plate (432), wherein the arc plate (432) is fixed to the sides of two adjacent fixed plates (431); A rotating block (433), the rotating block (433) being rotatably interlaced with the middle portion of the fixed plate (431) via a bearing; A gear (434), the gear (434) being fixed to the middle of the rotating block (433), the gear (434) being used for reverse driving of the second top block (42) and the linkage assembly (44), the linkage assembly (44) being arranged on one side of the gear (434); A cross bar (435), wherein the cross bar (435) is fixed between two adjacent fixing plates (431); A first compression spring (436), the first compression spring (436) being fixed to the bottom of the crossbar (435); A T-shaped block (437), wherein the T-shaped block (437) is sleeved in the inner cavity of the first compression spring (436), and the T-shaped block (437) is slidably interlaced with the middle portion of the crossbar (435); A clamping block (438), the clamping block (438) being fixed to the bottom of the T-shaped block (437), the clamping block (438) being used for clamping the gear (434), and the clamping block (438) being fixedly connected to the bottom of the first compression spring (436).

5. A ring cutting device for power transmission stranded wire according to claim 4, characterized in that: The linkage component (44) comprises: A bending rod (441), wherein the bending rod (441) is slidably interpenetratingly connected with the inner cavity of the positioning ring (45); A linkage tooth groove (442), wherein the linkage tooth groove (442) is disposed at the top of the bending rod (441), and the bending rod (441) is connected to the outer wall of the gear (434) via the linkage tooth groove (442); a second compression spring (443), the second compression spring (443) being fixed to the bottom of the bending rod (441); An insertion rod (444) is fixed to one end of the second compression spring (443), and the insertion rod (444) is inserted through the bottom of the bending rod (441) and extends to be inserted and connected with the bottom of the first top block (41).

6. The ring cutting device for power transmission stranded wire according to claim 2, characterized in that: The auxiliary component (31) comprises: A first clamping ring (311), the first clamping ring (311) being fixed to one end of the housing (2); a second clamping ring (312), the second clamping ring (312) being rotatably inserted into one end of the housing (2) via a pin shaft, the first clamping ring (311) and the second clamping ring (312) forming a circular ring structure; A roller (313), the roller (313) being rotatably embedded in the inner walls of the first clamping ring (311) and the second clamping ring (312); A limiting groove (314), wherein the limiting groove (314) is formed on one side of the first clamping ring (311) and one side of the second clamping ring (312); A limit block (315), the limit block (315) being clamped in the inner cavity of the limit groove (314), and the limit block (315) being fixed to one side of the clamp (1); The balls (316) are equidistantly embedded in a ring array on one side of the clamp (1), and the balls (316) are in close contact and rolling connection with the outer walls of the first clamp ring (311) and the second clamp ring (312).

7. The ring cutting device for power transmission stranded wire according to claim 1, characterized in that: The sawing assembly (35) comprises: A rotating column (351), wherein the rotating column (351) is rotatably interlaced and connected to one end of the sliding block (33) via a bearing; A saw blade (352), wherein the saw blade (352) is fixed to the middle portion of the rotating column (351), and the saw blade (352) is rotatably connected to one end of the sliding block (33); A synchronization component (353), wherein the synchronization component (353) is arranged in the inner cavity of the slider (33); A rotating shaft (354), the rotating shaft (354) rotatably inserted into the other end of the slider (33) via a bearing, and the synchronizing component (353) is installed between the rotating shaft (354) and the rotating column (351); A servo motor (355) is fixed to the top of the slider (33) via a support frame.

8. The ring cutting device for power transmission stranded wire according to claim 7, characterized in that: The output end of the servo motor (355) is drivingly connected to one end of the rotating shaft (354), and the electric telescopic rod (34) pushes the slider (33) to achieve telescopic movement of the saw blade (352) in the inner cavity of the auxiliary component (31).

9. The ring cutting device for power transmission stranded wire according to claim 6, characterized in that: Buckles (5) are installed at the open ends of the first clamping ring (311) and the second clamping ring (312); a controller (6) is fixedly embedded at one end of the outer wall of the shell (2); and a hand-held ring (7) is provided at the other end of the shell (2).

10. A method for using a ring cutting device for a power transmission stranded wire, characterized in that: The specific usage steps are as follows: Step 1: Pass the power transmission stranded wire through the inner cavities of the clamp (1) and the first clamp ring (311), and align the saw blade (352) with the shearing position on the stranded wire, lock the clamp (1) with a bolt, and clamp the second clamp ring (312) with the first clamp ring (311) with a buckle (5); Step 2: Pull the T-block (437) so that the clamping block (438) releases the lock on the gear (434), rotate the rotating block (433) so that the gear (434) rotates, and the meshing connecting tooth groove (422) and the linkage tooth groove (442) move in opposite directions respectively, so that the second top block (42) moves downward, and the synchronous bending rod (441) pushes up the first top block (41), and the moving distances of the second top block (42) and the first top block (41) are equal, so that the second top block (42) and the first top block (41) can synchronously squeeze and lock the outer wall of the stranded wire, loosen the T-block (437), so that the clamping block (438) clamps the gear (434), so that the clamp (1) clamps on the stranded wires of different diameters, and the center of the clamp (1) is opposite to the center of the stranded wire; Step 3: According to the thickness of the guide wire layer to be sawed on the stranded wire, the extension distance of the electric telescopic rod (34) is controlled, and the servo motor (355) is started. Through the connection of the synchronization component (353), the rotating column (351) is made to rotate synchronously with the rotating shaft (354), so that the saw blade (352) can rotate, and the electric telescopic rod (34) is started so that the saw blade (352) can move toward the inner cavity of the first clamping ring (311) and the second clamping ring (312) and cut the outer wall of the stranded wire to a set depth. The housing (2) is manually rotated, and under the connection of the limit block (315) and the limit groove (314), the saw blade (352) can perform a ring shear of a fixed depth on the outer wall of the stranded wire with the center of the stranded wire.

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