Insulation isolation protection device for live working of low-voltage distribution cable

Abstract

The invention provides a low-voltage distribution cable hot-line work insulation isolation protection device, and relates to the technical field of hot-line work, the low-voltage distribution cable hot-line work insulation isolation protection device comprises an insulation cover, a mounting groove is formed in the insulation cover, second telescopic columns are embedded in the insulation cover and located on the two sides of the mounting groove, and second threaded rods are rotatably connected in the second telescopic columns. The outer side of each second threaded rod is in threaded connection with a second push rod, one end of each second push rod extends into the corresponding mounting groove, and each second push rod is provided with a second limiting wheel. And then the two second limiting wheels and the first limiting wheel move in the direction of the cable together, the cable can be clamped, so that the device is fixed to the cable, cables of various diameter specifications can be fixed, and the applicability of the device is high.

Description

Technical Field

[0001] The invention relates to the technical field of live working, in particular to an insulation isolation protection device for live working of a low-voltage distribution cable. Background Art

[0002] In recent years, in order to improve the urban environment and ensure the safe and reliable operation of the power grid, distribution cables are gradually replacing traditional overhead lines and are increasingly widely used in the construction of distribution networks. Cable shielding covers are made of insulating materials and are used to shield live conductors or non-live conductor parts. In live working tools, shielding covers do not play the main insulating role. They are only suitable for insulating shielding or isolating protection when live workers have an accidental short-term collision, that is, when they touch by brushing. In the daily maintenance and repair of cables, workers need to use cable shielding covers to shield and isolate cables. Therefore, installing cable shielding covers is a necessary measure to ensure the stability of the power grid and the personal safety of maintenance personnel.

[0003] Some products in the prior art can only fix cables of a single diameter when in use, resulting in poor adaptability and failure to meet the needs of live protection for cables of various diameters. Summary of the invention

[0004] The present invention provides an insulation isolation protection device for live working of low-voltage distribution cables, which has good compatibility with cables of different diameters and meets the needs of live protection of cables of various diameters.

[0005] A low-voltage distribution cable live working insulation isolation protection device, the protection device comprising a mounting groove (52) arranged inside an insulation cover (1), a first limiting wheel (6) and a plurality of second limiting wheels. When the cable is subjected to insulation isolation protection, the cable is first placed inside the mounting groove, and then the second limiting wheel is moved together with the first limiting wheel in the direction of the cable to hold the cable until a clamping structure is formed around the cable to fix the insulation cover on the cable. The clamping structure is formed by combining the second limiting wheel and the first limiting wheel during the moving process to achieve compatibility with cables of various diameters.

[0006] The insulating cover is in an n-shape, the first limiting wheel is located on the inner side of the top of the n-shaped insulating cover, and the number of second limiting wheels is two, which are respectively located on the inner sides of the two side arms of the n-shaped insulating cover; the holding action of the second limiting wheel and the first limiting wheel on the cable in the installation groove is driven by a first driving rod (45) and a second driving rod (56) on one side of the insulating cover.

[0007] Second telescopic columns (7) are embedded on both sides of the installation groove (52), and second threaded rods (8) are rotatably connected inside the second telescopic columns (7). Second push rods (9) are threadedly connected to the outer sides of the second threaded rods (8), and one end of the second push rods (9) extends into the installation groove (52) and is equipped with a second limiting wheel (10). A first telescopic column (3) is fixedly connected to the top of the installation groove (52), a first threaded rod (4) is rotatably connected inside the first telescopic column (3), a first push rod (5) is threadedly connected to the outer side of the first threaded rod (4), and the bottom end of the first push rod (5) extends to the inside of the installation groove (52) and is equipped with a first limiting wheel (6); A second driving groove (15) is provided above the first telescopic column (3), two first fixing blocks (17) are installed inside the second driving groove (15), a rotating rod (18) is rotatably connected between the two first fixing blocks (17), so that either end of the first fixing block (17) is extended and connected to one side of the other first fixing block, a first connecting column (16) is rotatably connected inside the second driving groove (15) and at one end of the rotating rod (18), and a meshing second bevel gear (19) is fixedly sleeved on the outer sides of the first connecting column (16) and one end of the rotating rod (18); A first drive groove (11) is formed at one end of each of the second telescopic columns (7), one end of each of the second threaded rods (8) extends into the first drive groove (11), a connecting rod (12) is rotatably connected to the inside of each of the first drive grooves (11), a first bevel gear (13) meshing with each other is fixedly sleeved on the outer sides of one end of each of the connecting rods (12) and the second threaded rod (8), and a first pulley (14) connected via a belt drive is fixedly sleeved on the outer sides of each of the connecting rods (12) and the first connecting column (16).

[0008] The top end of the first threaded rod (4) extends to the inside of the second driving groove (15), and the outer sides of the first threaded rod (4) and the rotating rod (18) are both fixedly sleeved with a meshing third bevel gear (20).

[0009] A mounting sleeve (30) is placed on one side of the insulating cover (1), a slot (62) is provided on one side of the mounting sleeve (30), an insert block (26) is fixedly connected to one side of the insulating cover (1), one end of the insert block (26) is inserted into the slot (62), a fourth connecting column (27) is rotatably connected to the inside of the insert block (26), a connecting groove (23) is provided inside the insulating cover (1), a third connecting column (25) is rotatably connected to one side of the inner cavity of the connecting groove (23), one end of the third connecting column (25) extends into the inside of the insert block (26), the outer sides of the third connecting column (25) and the fourth connecting column (27) are both fixedly sleeved with meshing fourth bevel gears (29), and the outer side of the fourth connecting column (27) is fixedly sleeved with a first transmission gear (28).

[0010] A fixing groove (41) is provided inside the installation sleeve (30), and a first screw rod (42) is rotatably connected to the inner cavity of the fixing groove (41). A clamping block (43) is threadedly connected to the outer side of the first screw rod (42), and one end of the clamping block (43) is inserted into the insert block (26). A driving cavity (31) is provided inside the installation sleeve (30) and below the slot (62). The other end of the clamping block (43) extends into the driving cavity (31). Two fixing plates (32) are fixedly connected to the top of the clamping block (43) and located inside the driving cavity (31). A fifth connecting column (33) is rotatably connected between the two fixing plates (32). A second transmission gear (34) matching the first transmission gear (28) is provided on the outer fixing sleeve of the fifth connecting column (33). One end of the fifth connecting column (33) extends to a fixing plate ( A second fixing block (35) is fixedly connected to one side of the fixing plate (32), the top of the second fixing block (35) is rotatably connected to a connecting rod (39), the outer sides of the connecting rod (39) and the fifth connecting column (33) are both fixedly sleeved with a fifth bevel gear (40) meshing with each other, the bottom of the inner cavity of the driving cavity (31) is rotatably connected to a transmission column (36), the bottom end of the connecting rod (39) extends into the interior of the transmission column (36), the inner wall of the transmission column (36) is provided with two spline grooves (38), the outer side of the connecting rod (39) and the interior of the spline grooves (38) are both provided with a spline member (37), the bottom of the inner cavity of the driving cavity (31) is rotatably connected to a driving shaft (58), the driving shaft (58) and the outer sides of the transmission column (36) are both fixedly sleeved with a fourth pulley (60) connected by a belt drive.

[0011] A first connecting cavity (44) is provided inside the installation sleeve (30) and on one side of the slot (62); a first driving rod (45) is rotatably connected to one side of the inner cavity of the first connecting cavity (44); a top end of the first screw rod (42) extends into the first connecting cavity (44); the outer sides of the first screw rod (42) and the first driving rod (45) are both fixedly sleeved with a sixth bevel gear (46) meshing with each other; a handle (47) is fixedly connected to one side of the installation sleeve (30); a first connecting cavity (48) is provided inside the handle (47); two annular grooves (49) are provided on the outer side of the handle (47); a first gear ring (50) is slidably connected inside one of the annular grooves (49); one end of the first driving rod (45) extends into the first connecting cavity (48) and is rotatably connected to one side of the inner cavity of the first connecting cavity (48); a first driving gear (51) matching with the first gear ring (50) is fixedly sleeved on the outer side of the first driving rod (45).

[0012] A second connecting cavity (54) is provided inside the handle (47), a second gear ring (53) is slidably connected inside the other annular groove (49), a second driving rod (56) is rotatably connected to one side of the inner cavity of the second connecting cavity (54), a second driving gear (55) matching with the second gear ring (53) is provided on the outer fixed sleeve of the second driving rod (56), a second connecting cavity (57) is provided inside the mounting sleeve (30) and at one end of the second driving rod (56), one end of the second driving rod (56) extends into the second connecting cavity (57) and is rotatably connected to one side of the inner cavity of the second connecting cavity (57), the top end of the driving shaft (58) extends into the second connecting cavity (57), and the outer sides of the second driving rod (56) and the driving shaft (58) are both fixedly sleeved with a seventh bevel gear (59) meshing with each other.

[0013] One of the first fixed blocks (17) has a second connecting column (21) rotatably connected to one side thereof, the second connecting column (21) and the outer side of the rotating rod (18) are both fixedly sleeved with a second pulley (22) connected via a belt transmission, one end of the second connecting column (21) extends to the inner cavity of the connecting groove (23) and is rotatably connected to one side of the inner cavity of the connecting groove (23), and the second connecting column (21) and the outer side of the third connecting column (25) are both fixedly sleeved with a third pulley (24) connected via a belt transmission.

[0014] How to use the insulation isolation protection device for live working of low-voltage distribution cables, including installation and removal methods; The specific installation method is as follows: when the protection device uses the insulating isolation function, the operator first puts one end of the installation sleeve on the outside of the plug-in block so that the plug-in block is located inside the slot, and then the operator slides the first gear ring by hand so that the first gear ring drives the first drive rod to rotate through the first drive gear, so that the first drive rod drives the first screw rod to rotate through the sixth bevel gear, so that the first screw rod drives the card block to move up, so that one end of the card block is inserted into the inside of the plug-in block, and the card block drives the fixing plate and the second transmission gear to move up, so that the second transmission gear is meshed with the first transmission gear, so that the second fixing block drives the connecting rod to move up, so that the connecting rod drives the spline member to move along the inner side of the spline groove, and then the spline member is moved along the inner side of the spline groove. Then the operator rotates the handle to drive the insulating cover to move, and puts the insulating cover on the outside of the cable so that the cable is located inside the installation groove. Then the operator drives the second gear ring to rotate, so that the second gear ring drives the second driving rod to rotate through the second driving gear, so that the second driving rod drives the driving shaft to rotate through the seventh bevel gear, so that the driving shaft drives the transmission column to rotate through the fourth pulley, so that the connecting rod drives the connecting rod to rotate through the spline groove and the spline member, so that the connecting rod drives the fifth connecting column to rotate through the fifth bevel gear, so that the second transmission gear drives the fourth connecting column to rotate through the first transmission gear, so that the fourth connecting column drives the fourth bevel gear to drive the fourth connecting column to rotate. The third connecting column is driven to rotate, so that the third connecting column drives the second connecting column to rotate through the third pulley, so that the second connecting column drives the rotating rod to rotate through the second pulley, so that both ends of the rotating rod drive the first connecting column to rotate through the second bevel gear, so that the first connecting column drives the connecting rod to rotate through the first pulley, so that the connecting rod drives the second threaded rod to rotate through the first bevel gear, so that the second threaded rod drives the second push rod to drive the second limiting wheel to move, and at the same time, the rotating rod drives the first threaded rod to rotate through the third bevel gear, so that the first threaded rod drives the first push rod and the first limiting wheel to move, so that the two second limiting wheels and the first limiting wheel move, and the cable Clamp it so that the device is fixed on the cable, and then the operator resets and slides the first gear ring, so that the first gear ring drives the first drive gear to drive the first drive rod to reset and rotate, so that the first drive rod drives the first screw rod to reset and rotate, so that one end of the clamping block moves out of the plug block, so that the fixing plate and the second transmission gear move down to the inside of the driving cavity, so that the second fixing block drives the connecting rod to move down, so that the connecting rod drives the spline member to move downward along the inside of the spline groove, so that the first transmission gear and the second transmission gear are disengaged, and then the operator pulls out the handle to move the plug block out of the slot, so that the operator can work in the locked insulation isolation protection environment; The specific disassembly method is: when it is necessary to remove the insulating isolation protection device from the cable, first fix the plug in the slot according to the relevant steps in the installation method, so that the first transmission gear is meshed with the second transmission gear, and then the operator resets and rotates the second gear ring, so that the second gear ring drives the second drive gear to drive the second drive rod to reset and rotate, so that the third connecting column is reset and rotated, thereby driving the second connecting column and the rotating rod to reset and rotate, so that the second threaded rod is reset to drive the second push rod to drive the second limiting wheel to move, and the first threaded rod is driven to drive the first push rod and the first limiting wheel to reset and move, so as to release the cable from the limit, and then the operator removes the insulating cover from the outside of the cable.

[0015] The present invention provides an insulation isolation protection device for live working of low-voltage distribution cables, which has the following beneficial effects: 1. The low-voltage distribution cable live working insulation isolation protection device is provided with a first limiting wheel and two second limiting wheels. The cable is placed inside the installation groove, and then the two second limiting wheels move toward the cable together with the first limiting wheel to clamp the cable, thereby fixing the device on the cable. At the same time, cables of various diameters can be fixed, making the device more applicable.

[0016] 2. The low-voltage distribution cable live working insulation isolation protection device is provided with a first gear ring, a second gear ring and a first driving gear. When using it, the operator can drive the first screw rod to rotate by sliding the first gear ring, and then drive the clamping block to move by the first screw rod to fix or release the plug block, mesh the second transmission gear with the first transmission gear, or separate the second transmission gear from the first transmission gear from the meshing state. The operator can drive the second drive gear to rotate by sliding the second gear ring, so that the second drive gear drives the second drive rod to rotate, and the second drive rod drives the second transmission gear to drive the first transmission gear to rotate, so that the rotating rod rotates, and then drives the first limiting wheel and the two second limiting wheels to move, clamps the cable or releases the limit of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments: Attached Figure 1 It is a schematic diagram of the internal structure of the present invention; Attached Figure 2 It is a schematic diagram of the rear view structure of the connection between the connecting rod and the second threaded rod of the present invention; Attached Figure 3 This is a schematic diagram of the internal structure of the handle of the present invention; Attached Figure 4 For the present invention Figure 1 A magnified schematic diagram of point A; Attached Figure 5For the present invention Figure 1 An enlarged schematic diagram of point B; Attached Figure 6 For the present invention Figure 1 An enlarged schematic diagram of point C; Attached Figure 7 For the present invention Figure 1 An enlarged schematic diagram of point D; Attached Figure 8 For the present invention Figure 1 Enlarged schematic diagram of point E.

[0018] In the figure: 1, insulating cover; 3, first telescopic column; 4, first threaded rod; 5, first push rod; 6, first limiting wheel; 7, second telescopic column; 8, second threaded rod; 9, second push rod; 10, second limiting wheel; 11, first driving groove; 12, connecting rod; 13, first bevel gear; 14, first pulley; 15, second driving groove; 16, first connecting column; 17, first fixed block; 18, rotating rod; 19, second bevel gear; 20, third bevel gear; 21, second connecting column; 22, second pulley; 23, connecting groove; 24, third pulley; 25, third connecting column; 26, plug block; 27, fourth connecting column; 28, first transmission gear; 29, fourth bevel gear; 30, mounting sleeve; 31, driving dynamic cavity; 32, fixed plate; 33, fifth connecting column; 34, second transmission gear; 35, second fixed block; 36, transmission column; 37, spline member; 38, spline groove; 39, connecting rod; 40, fifth bevel gear; 41, fixed groove; 42, first screw rod; 43, block; 44, first connecting cavity; 45, first drive rod; 46, sixth bevel gear; 47, handle; 48, first connecting cavity; 49, annular groove; 50, first ring gear; 51, first drive gear; 52, mounting groove; 53, second ring gear; 54, second connecting cavity; 55, second drive gear; 56, second drive rod; 57, second connecting cavity; 58, drive shaft; 59, seventh bevel gear; 60, fourth pulley; 62, slot. DETAILED DESCRIPTION

[0019] As shown in the figure, an insulation isolation protection device for live working of low-voltage distribution cables is provided. The protection device includes a mounting groove 52, a first limiting wheel 6 and a plurality of second limiting wheels arranged on the inner side of an insulation cover 1. When the cable is subjected to insulation isolation protection, the cable is first placed inside the mounting groove, and then the second limiting wheel is moved together with the first limiting wheel toward the cable to hold the cable until a clamping structure is formed around the cable to fix the insulation cover on the cable. The clamping structure is formed by combining the second limiting wheel and the first limiting wheel during the moving process to achieve compatibility with cables of various diameters.

[0020] The insulating cover is in an n-shape, the first limiting wheel is located on the inner side of the top of the n-shaped insulating cover, and there are two second limiting wheels, which are respectively disposed on the inner sides of the two side arms of the n-shaped insulating cover; the holding action of the second limiting wheel and the first limiting wheel on the cable in the installation groove is driven by the first driving rod 45 and the second driving rod 56 on one side of the insulating cover.

[0021] Second telescopic columns 7 are inlaid on both sides of the installation slot 52, and second threaded rods 8 are rotatably connected inside the second telescopic columns 7. Second push rods 9 are threadedly connected to the outer sides of the second threaded rods 8. One end of the second push rods 9 extends into the installation slot 52 and is installed with second limiting wheels 10. A first telescopic column 3 is fixedly connected to the top of the installation slot 52, a first threaded rod 4 is rotatably connected inside the first telescopic column 3, a first push rod 5 is threadedly connected to the outer side of the first threaded rod 4, and the bottom end of the first push rod 5 extends to the inside of the installation slot 52 and is installed with a first limiting wheel 6; A second driving groove 15 is provided above the first telescopic column 3, two first fixing blocks 17 are installed inside the second driving groove 15, a rotating rod 18 is rotatably connected between the two first fixing blocks 17, so that either end of the first fixing block 17 is extended and connected to one side of the other first fixing block, a first connecting column 16 is rotatably connected inside the second driving groove 15 and at one end of the rotating rod 18, and a meshing second bevel gear 19 is fixedly sleeved on the outer side of the first connecting column 16 and one end of the rotating rod 18; A first driving groove 11 is formed at one end of the second telescopic column 7, one end of the second threaded rod 8 extends into the first driving groove 11, a connecting rod 12 is rotatably connected to the inside of the first driving groove 11, and a first bevel gear 13 meshing with each other is fixedly sleeved on the outer side of the connecting rod 12 and one end of the second threaded rod 8, and a first pulley 14 connected by a belt drive is fixedly sleeved on the outer side of the connecting rod 12 and the first connecting column 16.

[0022] The top end of the first threaded rod 4 extends to the inside of the second driving groove 15 , and the first threaded rod 4 and the outer side of the rotating rod 18 are both fixedly sleeved with a meshing third bevel gear 20 .

[0023] A mounting sleeve 30 is placed on one side of the insulating cover 1, and a slot 62 is provided on one side of the mounting sleeve 30. An insert block 26 is fixedly connected to one side of the insulating cover 1, and one end of the insert block 26 is inserted into the slot 62. A fourth connecting column 27 is rotatably connected to the insert block 26. A connecting groove 23 is provided inside the insulating cover 1, and a third connecting column 25 is rotatably connected to one side of the inner cavity of the connecting groove 23. One end of the third connecting column 25 extends into the insert block 26. The outer sides of the third connecting column 25 and the fourth connecting column 27 are fixedly sleeved with meshing fourth bevel gears 29, and the outer side of the fourth connecting column 27 is fixedly sleeved with a first transmission gear 28.

[0024] A fixing groove 41 is provided inside the installation sleeve 30, and a first screw rod 42 is rotatably connected to the inner cavity of the fixing groove 41. A block 43 is threadedly connected to the outer side of the first screw rod 42, and one end of the block 43 is inserted into the insert block 26. A driving cavity 31 is provided inside the installation sleeve 30 and below the slot 62. The other end of the block 43 extends into the driving cavity 31. Two fixing plates 32 are fixedly connected to the top of the block 43 and located inside the driving cavity 31. A fifth connecting column 33 is rotatably connected between the two fixing plates 32. The outer fixing sleeve of the fifth connecting column 33 is provided with a second transmission gear 34 that matches the first transmission gear 28. One end of the fifth connecting column 33 extends to a fixing plate 3 2, a second fixed block 35 is fixedly connected to one side of the fixed plate 32, and a connecting rod 39 is rotatably connected to the top of the second fixed block 35. The connecting rod 39 and the outer side of the fifth connecting column 33 are fixedly sleeved with a fifth bevel gear 40 that meshes with each other. The bottom of the inner cavity of the driving chamber 31 is rotatably connected to a transmission column 36, and the bottom end of the connecting rod 39 extends to the inside of the transmission column 36. The inner wall of the transmission column 36 is provided with two spline grooves 38, and spline parts 37 are provided on the outer side of the connecting rod 39 and inside the spline grooves 38. The bottom of the inner cavity of the driving chamber 31 is rotatably connected to a driving shaft 58, and the driving shaft 58 and the outer side of the transmission column 36 are fixedly sleeved with a fourth pulley 60 that is connected by belt drive.

[0025] A first connecting cavity 44 is provided inside the installation sleeve 30 and on one side of the slot 62, a first driving rod 45 is rotatably connected to one side of the inner cavity of the first connecting cavity 44, a top end of the first screw rod 42 extends into the first connecting cavity 44, and the outer sides of the first screw rod 42 and the first driving rod 45 are fixedly sleeved with a sixth bevel gear 46 that meshes with each other, a handle 47 is fixedly connected to one side of the installation sleeve 30, a first connecting cavity 48 is provided inside the handle 47, two annular grooves 49 are provided on the outer side of the handle 47, a first gear ring 50 is slidably connected inside one of the annular grooves 49, one end of the first driving rod 45 extends into the first connecting cavity 48 and is rotatably connected to one side of the inner cavity of the first connecting cavity 48, and a first driving gear 51 that matches the first gear ring 50 is fixedly sleeved on the outer side of the first driving rod 45.

[0026] A second connecting cavity 54 is defined inside the handle 47, a second gear ring 53 is slidably connected inside another annular groove 49, a second driving rod 56 is rotatably connected to one side of the inner cavity of the second connecting cavity 54, a second driving gear 55 matching with the second gear ring 53 is fixedly sleeved on the outer side of the second driving rod 56, a second connecting cavity 57 is defined inside the mounting sleeve 30 and located at one end of the second driving rod 56, one end of the second driving rod 56 extends into the second connecting cavity 57 and is rotatably connected to one side of the inner cavity of the second connecting cavity 57, the top end of the driving shaft 58 extends into the second connecting cavity 57, and the outer sides of the second driving rod 56 and the driving shaft 58 are both fixedly sleeved with a seventh bevel gear 59 meshing with each other.

[0027] One of the first fixed blocks 17 has a second connecting column 21 rotatably connected on one side thereof, and the second connecting column 21 and the outer side of the rotating rod 18 are both fixedly sleeved with a second pulley 22 connected by belt transmission, one end of the second connecting column 21 extends to the inner cavity of the connecting groove 23 and is rotatably connected to one side of the inner cavity of the connecting groove 23, and the outer sides of the second connecting column 21 and the third connecting column 25 are both fixedly sleeved with a third pulley 24 connected by belt transmission.

[0028] How to use the insulation isolation protection device for live working of low-voltage distribution cables, including installation and removal methods; The specific installation method is as follows: when the protection device uses the insulating isolation function, the operator first puts one end of the installation sleeve on the outside of the plug-in block so that the plug-in block is located inside the slot, and then the operator slides the first gear ring by hand so that the first gear ring drives the first drive rod to rotate through the first drive gear, so that the first drive rod drives the first screw rod to rotate through the sixth bevel gear, so that the first screw rod drives the card block to move up, so that one end of the card block is inserted into the inside of the plug-in block, and the card block drives the fixing plate and the second transmission gear to move up, so that the second transmission gear is meshed with the first transmission gear, so that the second fixing block drives the connecting rod to move up, so that the connecting rod drives the spline member to move along the inner side of the spline groove, and then the spline member is moved along the inner side of the spline groove. Then the operator rotates the handle to drive the insulating cover to move, and puts the insulating cover on the outside of the cable so that the cable is located inside the installation groove. Then the operator drives the second gear ring to rotate, so that the second gear ring drives the second driving rod to rotate through the second driving gear, so that the second driving rod drives the driving shaft to rotate through the seventh bevel gear, so that the driving shaft drives the transmission column to rotate through the fourth pulley, so that the connecting rod drives the connecting rod to rotate through the spline groove and the spline member, so that the connecting rod drives the fifth connecting column to rotate through the fifth bevel gear, so that the second transmission gear drives the fourth connecting column to rotate through the first transmission gear, so that the fourth connecting column drives the fourth bevel gear to drive the fourth connecting column to rotate. The third connecting column is driven to rotate, so that the third connecting column drives the second connecting column to rotate through the third pulley, so that the second connecting column drives the rotating rod to rotate through the second pulley, so that both ends of the rotating rod drive the first connecting column to rotate through the second bevel gear, so that the first connecting column drives the connecting rod to rotate through the first pulley, so that the connecting rod drives the second threaded rod to rotate through the first bevel gear, so that the second threaded rod drives the second push rod to drive the second limiting wheel to move, and at the same time, the rotating rod drives the first threaded rod to rotate through the third bevel gear, so that the first threaded rod drives the first push rod and the first limiting wheel to move, so that the two second limiting wheels and the first limiting wheel move, and the cable Clamp it so that the device is fixed on the cable, and then the operator resets and slides the first gear ring, so that the first gear ring drives the first drive gear to drive the first drive rod to reset and rotate, so that the first drive rod drives the first screw rod to reset and rotate, so that one end of the clamping block moves out of the plug block, so that the fixing plate and the second transmission gear move down to the inside of the driving cavity, so that the second fixing block drives the connecting rod to move down, so that the connecting rod drives the spline member to move downward along the inside of the spline groove, so that the first transmission gear and the second transmission gear are disengaged, and then the operator pulls out the handle to move the plug block out of the slot, so that the operator can work in the locked insulation isolation protection environment; The specific disassembly method is: when it is necessary to remove the insulating isolation protection device from the cable, first fix the plug in the slot according to the relevant steps in the installation method, so that the first transmission gear is meshed with the second transmission gear, and then the operator resets and rotates the second gear ring, so that the second gear ring drives the second drive gear to drive the second drive rod to reset and rotate, so that the third connecting column is reset and rotated, thereby driving the second connecting column and the rotating rod to reset and rotate, so that the second threaded rod is reset to drive the second push rod to drive the second limiting wheel to move, and the first threaded rod is driven to drive the first push rod and the first limiting wheel to reset and move, so as to release the cable from the limit, and then the operator removes the insulating cover from the outside of the cable.

[0029] Embodiment 1: See also Figures 1 to 8 The present invention provides a technical solution: an insulation isolation protection device for live working of a low-voltage power distribution cable, comprising an insulation cover 1, a mounting groove 52 is provided inside the insulation cover 1, second telescopic columns 7 are inlaid inside the insulation cover 1 and on both sides of the mounting groove 52, second threaded rods 8 are rotatably connected inside the second telescopic columns 7, second push rods 9 are threadedly connected to the outer sides of the second threaded rods 8, one ends of the second push rods 9 extend to the inside of the mounting groove 52 and are installed with second limiting wheels 10, a first telescopic column 3 is fixedly connected inside the insulation cover 1 and located above the mounting groove 52, a first threaded rod 4 is rotatably connected inside the first telescopic column 3, a first push rod 5 is threadedly connected to the outer sides of the first threaded rod 4, the bottom end of the first push rod 5 extends to the inside of the mounting groove 52 and is installed with first limiting wheels 6, a second driving groove 15 is provided inside the insulation cover 1 and located above the first telescopic column 3, and the second push rod 9 is threadedly connected to the outer sides of the second threaded rod 8. Two first fixed blocks 17 are installed inside the second driving grooves 15, and a rotating rod 18 is rotatably connected between the two first fixed blocks 17. Both ends of the first fixed block 17 extend to one side of the two first fixed blocks 17 respectively, and a first connecting column 16 is rotatably connected inside the second driving groove 15 and at one end of the rotating rod 18. The first connecting column 16 and the outer side of one end of the rotating rod 18 are fixedly sleeved with a meshing second bevel gear 19, and a first driving groove 11 is opened inside the insulating cover 1 and at one end of the second telescopic column 7. One end of the second threaded rod 8 extends into the first driving groove 11, and a connecting rod 12 is rotatably connected inside the first driving groove 11. The connecting rod 12 and the outer side of one end of the second threaded rod 8 are fixedly sleeved with a meshing first bevel gear 13, and the connecting rod 12 and the outer side of the first connecting column 16 are fixedly sleeved with a first pulley 14 connected by a belt drive.

[0030] The top end of the first threaded rod 4 extends into the second driving groove 15 , and the outer sides of the first threaded rod 4 and the rotating rod 18 are fixedly sleeved with a meshing third bevel gear 20 , and the rotating rod 18 can drive the first threaded rod 4 to rotate through the third bevel gear 20 .

[0031] Among them, an installation sleeve 30 is placed on one side of the insulating cover 1, and a slot 62 is opened on one side of the installation sleeve 30. An insert block 26 is fixedly connected to one side of the insulating cover 1, one end of the insert block 26 is inserted into the slot 62, and a fourth connecting column 27 is rotatably connected inside the insert block 26. A connecting groove 23 is opened inside the insulating cover 1, and a third connecting column 25 is rotatably connected to one side of the inner cavity of the connecting groove 23, and one end of the third connecting column 25 extends to the inside of the insert block 26. The outer sides of the third connecting column 25 and the fourth connecting column 27 are fixedly sleeved with meshing fourth bevel gears 29, and the outer side of the fourth connecting column 27 is fixedly sleeved with a first transmission gear 28, and the third connecting column 25 and the rotating rod 18 can be driven to rotate by the first transmission gear 28.

[0032] Among them, a fixing groove 41 is opened inside the installation sleeve 30, and the inner cavity of the fixing groove 41 is rotatably connected to the first screw rod 42, and the outer side of the first screw rod 42 is threadedly connected to a block 43, and one end of the block 43 is inserted into the inside of the plug block 26. A driving cavity 31 is opened inside the installation sleeve 30 and located below the slot 62. The other end of the block 43 extends into the driving cavity 31, and two fixing plates 32 are fixedly connected to the top of the block 43 and located inside the driving cavity 31. A fifth connecting column 33 is rotatably connected between the two fixing plates 32, and the outer fixed sleeve of the fifth connecting column 33 is provided with a second transmission gear 34 that matches the first transmission gear 28. One end of the fifth connecting column 33 extends to one side of a fixing plate 32, and a fixing plate 32 A second fixed block 35 is fixedly connected to one side of the drive chamber 31, and a connecting rod 39 is rotatably connected to the top of the second fixed block 35. The connecting rod 39 and the outer side of the fifth connecting column 33 are fixedly sleeved with a meshing fifth bevel gear 40. The bottom of the inner cavity of the drive chamber 31 is rotatably connected to the transmission column 36. The bottom end of the connecting rod 39 extends to the inside of the transmission column 36. The inner wall of the transmission column 36 is provided with two spline grooves 38. Spline parts 37 are provided on the outer side of the connecting rod 39 and inside the spline grooves 38. The bottom of the inner cavity of the drive chamber 31 is rotatably connected to the drive shaft 58. The drive shaft 58 and the outer side of the transmission column 36 are fixedly sleeved with a fourth pulley 60 connected by belt drive. The second transmission gear 34 can be driven to rotate by the second driving rod 56.

[0033] Among them, a first connecting cavity 44 is opened inside the installation sleeve 30 and on one side of the slot 62, and a first driving rod 45 is rotatably connected to one side of the inner cavity of the first connecting cavity 44, and the top end of the first screw rod 42 extends into the first connecting cavity 44, and the outer sides of the first screw rod 42 and the first driving rod 45 are fixedly sleeved with a meshing sixth bevel gear 46, and a handle 47 is fixedly connected to one side of the installation sleeve 30, and a first connecting cavity 48 is opened inside the handle 47, and two annular grooves 49 are opened on the outer side of the handle 47, and a first gear ring 50 is slidably connected inside one of the annular grooves 49, one end of the first driving rod 45 extends into the first connecting cavity 48 and is rotatably connected to one side of the inner cavity of the first connecting cavity 48, and a first driving gear 51 matching with the first gear ring 50 is fixedly sleeved on the outer side of the first driving rod 45, and the first driving gear 51 can be driven by the first gear ring 50 to drive the first screw rod 42 to rotate, and then the first screw rod 42 drives the block 43 to move.

[0034] Among them, a second connecting cavity 54 is opened inside the handle 47, and a second gear ring 53 is slidably connected inside another annular groove 49. A second driving rod 56 is rotatably connected to one side of the inner cavity of the second connecting cavity 54. A second driving gear 55 matching with the second gear ring 53 is fixedly sleeved on the outer side of the second driving rod 56. A second connecting cavity 57 is opened inside the mounting sleeve 30 and located at one end of the second driving rod 56. One end of the second driving rod 56 extends into the second connecting cavity 57 and is rotatably connected to one side of the inner cavity of the second connecting cavity 57. The top end of the driving shaft 58 extends into the second connecting cavity 57. The outer sides of the second driving rod 56 and the driving shaft 58 are both fixedly sleeved with a meshing seventh bevel gear 59. The second gear ring 53 can drive the second driving gear 55 to drive the second driving rod 56 to rotate, and the second driving rod 56 can drive the driving shaft 58 to rotate, so that the driving shaft 58 can drive the second transmission gear 34 to drive the first transmission gear 28 to rotate, so that the first transmission gear 28 drives the rotating rod 18 to rotate.

[0035] Embodiment 2: See also Figure 1 and Figure 7 The present invention provides a technical solution: a second connecting column 21 is rotatably connected to one side of a first fixed block 17, and the second connecting column 21 and the outer side of the rotating rod 18 are fixedly sleeved with a second pulley 22 connected by belt transmission, one end of the second connecting column 21 extends to the inner cavity of the connecting groove 23 and is rotatably connected to one side of the inner cavity of the connecting groove 23, and the outer sides of the second connecting column 21 and the third connecting column 25 are fixedly sleeved with a third pulley 24 connected by belt transmission, and the second connecting column 21 can be driven to rotate by the third connecting column 25 and the third pulley 24, so that the second connecting column 21 drives the rotating rod 18 to rotate through the second pulley 22.

[0036] In summary, when using the low-voltage distribution cable live working insulation isolation protection device, the operator puts one end of the installation sleeve 30 on the outside of the plug block 26, so that the plug block 26 is located inside the slot 62, and then the operator slides the first gear ring 50 by hand, so that the first gear ring 50 drives the first drive rod 45 to rotate through the first drive gear 51, so that the first drive rod 45 drives the first screw rod 42 to rotate through the sixth bevel gear 46, so that the first screw rod 42 drives the block 43 to move up, so that one end of the block 43 is inserted into the plug block 26, and the block 43 drives the fixing plate 32 and the second transmission gear 34 to move up, so that the second transmission gear 34 is meshed with the first transmission gear 28, so that the second fixing block 35 drives the connecting rod 39 to move up, so that the connecting rod 39 drives the spline member 37 to move along the inner side of the spline groove 38, and then the operator rotates the handle 47 to drive the insulating cover 1 to move, and puts the insulating cover 1 on the outer side of the cable so that the cable is located inside the installation groove 52, and then the operator drives the second gear ring 53 to rotate, so that the second gear ring 53 drives the second drive rod 56 to rotate through the second drive gear 55, so that the second drive rod 56 drives the drive shaft 58 to rotate through the seventh bevel gear 59, so that the drive shaft 58 drives the transmission column 36 to rotate through the fourth pulley 60, so that the connecting rod 39 drives the connecting rod 39 to rotate through the spline groove 38 and the spline member 37, so that the connecting rod 39 drives the fifth connecting column 33 to drive the second transmission gear 34 to rotate through the fifth bevel gear 40, so that The second transmission gear 34 drives the fourth connecting column 27 to rotate through the first transmission gear 28, so that the fourth connecting column 27 drives the third connecting column 25 to rotate through the fourth bevel gear 29, so that the third connecting column 25 drives the second connecting column 21 to rotate through the third pulley 24, so that the second connecting column 21 drives the rotating rod 18 to rotate through the second pulley 22, so that both ends of the rotating rod 18 drive the first connecting column 16 to rotate through the second bevel gear 19, so that the first connecting column 16 drives the connecting rod 12 to rotate through the first pulley 14, so that the connecting rod 12 drives the second threaded rod 8 to rotate through the first bevel gear 13, so that the second threaded rod 8 drives the second push rod 9 to drive the second limiting wheel 10 to move, and at the same time, the rotating rod 18 drives the second push rod 9 through the third bevel gear 19. The gear 20 drives the first threaded rod 4 to rotate, so that the first threaded rod 4 drives the first push rod 5 and the first limiting wheel 6 to move, so that the two second limiting wheels 10 and the first limiting wheel 6 move to clamp the cable, so that the device is fixed on the cable, and then the operator resets and slides the first gear ring 50, so that the first gear ring 50 drives the first driving gear 51 to drive the first driving rod 45 to reset and rotate, so that the first driving rod 45 drives the first screw rod 42 to reset and rotate, so that one end of the block 43 moves out of the plug block 26, so that the fixing plate 32 and the second transmission gear 34 move down to the inside of the driving cavity 31, so that the second fixing block 35 drives the connecting rod 39 to move down, so that the connecting rod 39 drives the spline member 37 to move downward along the inside of the spline groove 38,The first transmission gear 28 is disengaged from the second transmission gear 34, and then the operator pulls out the handle 47, so that the plug block 26 moves out of the slot 62, and then the operator can work. When it is necessary to remove the device from the cable, according to the above steps, the plug block 26 is fixed in the slot 62, so that the first transmission gear 28 is meshed with the second transmission gear 34, and then the operator resets and rotates the second gear ring 53, so that the second gear ring 53 drives the second drive gear 55 to drive the second drive rod 56 to reset and rotate, so that the third connecting column 25 is reset and rotated, thereby driving the second connecting column 21 and the rotating rod 18 to reset and rotate, so that the second threaded rod 8 is reset and drives the second push rod 9 to drive the second limit wheel 10 to move, and drives the first threaded rod 4 to drive the first push rod 5 and the first limit wheel 6 to reset and move, and the cable is released from the limit, and then the operator removes the insulation cover 1 from the outside of the cable.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A low-voltage distribution cable live working insulation isolation protection device, characterized by: The protection device comprises a mounting groove (52) arranged on the inner side of the insulation cover (1), a first limiting wheel (6) and a plurality of second limiting wheels. When insulating and isolating the cable, the cable is first placed inside the mounting groove, and then the second limiting wheel and the first limiting wheel are moved together in the direction of the cable to hold the cable until a clamping structure is formed around the cable to fix the insulation cover on the cable. The clamping structure is formed by combining the second limiting wheel and the first limiting wheel during the moving process to achieve compatibility with cables of various diameters.

2. The low-voltage distribution cable live working insulation isolation protection device according to claim 1 is characterized by: The insulating cover is in an n-shape, the first limiting wheel is located on the inner side of the top of the n-shaped insulating cover, and the number of second limiting wheels is two, which are respectively located on the inner sides of the two side arms of the n-shaped insulating cover; the holding action of the second limiting wheel and the first limiting wheel on the cable in the installation groove is driven by a first driving rod (45) and a second driving rod (56) on one side of the insulating cover.

3. A low-voltage distribution cable live working insulation isolation protection device according to claim 2, characterized in that: Second telescopic columns (7) are embedded on both sides of the installation groove (52), and second threaded rods (8) are rotatably connected inside the second telescopic columns (7). Second push rods (9) are threadedly connected to the outer sides of the second threaded rods (8), and one end of the second push rods (9) extends into the installation groove (52) and is equipped with a second limiting wheel (10). A first telescopic column (3) is fixedly connected to the top of the installation groove (52), a first threaded rod (4) is rotatably connected inside the first telescopic column (3), a first push rod (5) is threadedly connected to the outer side of the first threaded rod (4), and the bottom end of the first push rod (5) extends to the inside of the installation groove (52) and is equipped with a first limiting wheel (6); A second driving groove (15) is provided above the first telescopic column (3), two first fixing blocks (17) are installed inside the second driving groove (15), a rotating rod (18) is rotatably connected between the two first fixing blocks (17), so that either end of the first fixing block (17) is extended and connected to one side of the other first fixing block, a first connecting column (16) is rotatably connected inside the second driving groove (15) and at one end of the rotating rod (18), and a meshing second bevel gear (19) is fixedly sleeved on the outer sides of the first connecting column (16) and one end of the rotating rod (18); A first drive groove (11) is formed at one end of each of the second telescopic columns (7), one end of each of the second threaded rods (8) extends into the first drive groove (11), a connecting rod (12) is rotatably connected to the inside of each of the first drive grooves (11), a first bevel gear (13) meshing with each other is fixedly sleeved on the outer sides of one end of each of the connecting rods (12) and the second threaded rod (8), and a first pulley (14) connected via a belt drive is fixedly sleeved on the outer sides of each of the connecting rods (12) and the first connecting column (16).

4. The low-voltage distribution cable live working insulation isolation protection device according to claim 3 is characterized by: The top end of the first threaded rod (4) extends to the inside of the second driving groove (15), and the outer sides of the first threaded rod (4) and the rotating rod (18) are both fixedly sleeved with a meshing third bevel gear (20).

5. The low-voltage distribution cable live working insulation isolation protection device according to claim 4 is characterized by: A mounting sleeve (30) is placed on one side of the insulating cover (1), a slot (62) is provided on one side of the mounting sleeve (30), an insert block (26) is fixedly connected to one side of the insulating cover (1), one end of the insert block (26) is inserted into the slot (62), a fourth connecting column (27) is rotatably connected to the inside of the insert block (26), a connecting groove (23) is provided inside the insulating cover (1), a third connecting column (25) is rotatably connected to one side of the inner cavity of the connecting groove (23), one end of the third connecting column (25) extends into the inside of the insert block (26), the outer sides of the third connecting column (25) and the fourth connecting column (27) are both fixedly sleeved with meshing fourth bevel gears (29), and the outer side of the fourth connecting column (27) is fixedly sleeved with a first transmission gear (28).

6. The low-voltage distribution cable live working insulation isolation protection device according to claim 5 is characterized by: A fixing groove (41) is provided inside the installation sleeve (30), and a first screw rod (42) is rotatably connected to the inner cavity of the fixing groove (41). A clamping block (43) is threadedly connected to the outer side of the first screw rod (42), and one end of the clamping block (43) is inserted into the insert block (26). A driving cavity (31) is provided inside the installation sleeve (30) and below the slot (62). The other end of the clamping block (43) extends into the driving cavity (31). Two fixing plates (32) are fixedly connected to the top of the clamping block (43) and located inside the driving cavity (31). A fifth connecting column (33) is rotatably connected between the two fixing plates (32). A second transmission gear (34) matching the first transmission gear (28) is provided on the outer fixing sleeve of the fifth connecting column (33). One end of the fifth connecting column (33) extends to a fixing plate ( A second fixing block (35) is fixedly connected to one side of the fixing plate (32), the top of the second fixing block (35) is rotatably connected to a connecting rod (39), the outer sides of the connecting rod (39) and the fifth connecting column (33) are both fixedly sleeved with a fifth bevel gear (40) meshing with each other, the bottom of the inner cavity of the driving cavity (31) is rotatably connected to a transmission column (36), the bottom end of the connecting rod (39) extends into the interior of the transmission column (36), the inner wall of the transmission column (36) is provided with two spline grooves (38), the outer side of the connecting rod (39) and the interior of the spline grooves (38) are both provided with a spline member (37), the bottom of the inner cavity of the driving cavity (31) is rotatably connected to a driving shaft (58), the driving shaft (58) and the outer sides of the transmission column (36) are both fixedly sleeved with a fourth pulley (60) connected by a belt drive.

7. The low-voltage distribution cable live working insulation isolation protection device according to claim 6 is characterized by: A first connecting cavity (44) is provided inside the installation sleeve (30) and on one side of the slot (62); a first driving rod (45) is rotatably connected to one side of the inner cavity of the first connecting cavity (44); a top end of the first screw rod (42) extends into the first connecting cavity (44); the outer sides of the first screw rod (42) and the first driving rod (45) are both fixedly sleeved with a sixth bevel gear (46) meshing with each other; a handle (47) is fixedly connected to one side of the installation sleeve (30); a first connecting cavity (48) is provided inside the handle (47); two annular grooves (49) are provided on the outer side of the handle (47); a first gear ring (50) is slidably connected inside one of the annular grooves (49); one end of the first driving rod (45) extends into the first connecting cavity (48) and is rotatably connected to one side of the inner cavity of the first connecting cavity (48); a first driving gear (51) matching with the first gear ring (50) is fixedly sleeved on the outer side of the first driving rod (45).

8. The low-voltage distribution cable live working insulation isolation protection device according to claim 7 is characterized by: A second connecting cavity (54) is provided inside the handle (47), a second gear ring (53) is slidably connected inside the other annular groove (49), a second driving rod (56) is rotatably connected to one side of the inner cavity of the second connecting cavity (54), a second driving gear (55) matching with the second gear ring (53) is provided on the outer fixed sleeve of the second driving rod (56), a second connecting cavity (57) is provided inside the mounting sleeve (30) and at one end of the second driving rod (56), one end of the second driving rod (56) extends into the second connecting cavity (57) and is rotatably connected to one side of the inner cavity of the second connecting cavity (57), the top end of the driving shaft (58) extends into the second connecting cavity (57), and the outer sides of the second driving rod (56) and the driving shaft (58) are both fixedly sleeved with a seventh bevel gear (59) meshing with each other.

9. The low-voltage distribution cable live working insulation isolation protection device according to claim 8, characterized in that: One of the first fixed blocks (17) has a second connecting column (21) rotatably connected to one side thereof, the second connecting column (21) and the outer side of the rotating rod (18) are both fixedly sleeved with a second pulley (22) connected via a belt transmission, one end of the second connecting column (21) extends to the inner cavity of the connecting groove (23) and is rotatably connected to one side of the inner cavity of the connecting groove (23), and the second connecting column (21) and the outer side of the third connecting column (25) are both fixedly sleeved with a third pulley (24) connected via a belt transmission.

10. The method for using the insulation isolation protection device for live working of low-voltage distribution cables is characterized by: The method of use includes installation method and disassembly method; The specific installation method is as follows: when the protection device uses the insulating isolation function, the operator first puts one end of the installation sleeve on the outside of the plug-in block so that the plug-in block is located inside the slot, and then the operator slides the first gear ring by hand so that the first gear ring drives the first drive rod to rotate through the first drive gear, so that the first drive rod drives the first screw rod to rotate through the sixth bevel gear, so that the first screw rod drives the card block to move up, so that one end of the card block is inserted into the inside of the plug-in block, and the card block drives the fixing plate and the second transmission gear to move up, so that the second transmission gear is meshed with the first transmission gear, so that the second fixing block drives the connecting rod to move up, so that the connecting rod drives the spline member to move along the inner side of the spline groove, and then the spline member is moved along the inner side of the spline groove. Then the operator rotates the handle to drive the insulating cover to move, and puts the insulating cover on the outside of the cable so that the cable is located inside the installation groove. Then the operator drives the second gear ring to rotate, so that the second gear ring drives the second driving rod to rotate through the second driving gear, so that the second driving rod drives the driving shaft to rotate through the seventh bevel gear, so that the driving shaft drives the transmission column to rotate through the fourth pulley, so that the connecting rod drives the connecting rod to rotate through the spline groove and the spline member, so that the connecting rod drives the fifth connecting column to rotate through the fifth bevel gear, so that the second transmission gear drives the fourth connecting column to rotate through the first transmission gear, so that the fourth connecting column drives the fourth bevel gear to drive the fourth connecting column to rotate. The third connecting column is driven to rotate, so that the third connecting column drives the second connecting column to rotate through the third pulley, so that the second connecting column drives the rotating rod to rotate through the second pulley, so that both ends of the rotating rod drive the first connecting column to rotate through the second bevel gear, so that the first connecting column drives the connecting rod to rotate through the first pulley, so that the connecting rod drives the second threaded rod to rotate through the first bevel gear, so that the second threaded rod drives the second push rod to drive the second limiting wheel to move, and at the same time, the rotating rod drives the first threaded rod to rotate through the third bevel gear, so that the first threaded rod drives the first push rod and the first limiting wheel to move, so that the two second limiting wheels and the first limiting wheel move, and the cable Clamp it so that the device is fixed on the cable, and then the operator resets and slides the first gear ring, so that the first gear ring drives the first drive gear to drive the first drive rod to reset and rotate, so that the first drive rod drives the first screw rod to reset and rotate, so that one end of the clamping block moves out of the plug block, so that the fixing plate and the second transmission gear move down to the inside of the driving cavity, so that the second fixing block drives the connecting rod to move down, so that the connecting rod drives the spline member to move downward along the inside of the spline groove, so that the first transmission gear and the second transmission gear are disengaged, and then the operator pulls out the handle to move the plug block out of the slot, so that the operator can work in the locked insulation isolation protection environment; The specific disassembly method is: when it is necessary to remove the insulating isolation protection device from the cable, first fix the plug in the slot according to the relevant steps in the installation method, so that the first transmission gear is meshed with the second transmission gear, and then the operator resets and rotates the second gear ring, so that the second gear ring drives the second drive gear to drive the second drive rod to reset and rotate, so that the third connecting column is reset and rotated, thereby driving the second connecting column and the rotating rod to reset and rotate, so that the second threaded rod is reset to drive the second push rod to drive the second limiting wheel to move, and the first threaded rod is driven to drive the first push rod and the first limiting wheel to reset and move, so as to release the cable from the limit, and then the operator removes the insulating cover from the outside of the cable.

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