Cable anti-falling buffer device applied to super high-rise power cable laying

Abstract

The invention discloses a cable anti-falling buffer device applied to super high-rise power cable laying, and particularly relates to the technical field of cable laying, the cable anti-falling buffer device applied to super high-rise power cable laying comprises an annular mounting seat, and the inner side of the annular mounting seat is provided with an anti-falling supporting petal through a rotating shaft; a transmission inner gear ring is arranged in the annular mounting seat, a transmission gear is arranged in the annular mounting seat through a rotating shaft, and the transmission gear is meshed with the transmission inner gear ring; a transverse moving assembly is arranged on the inner side of the annular mounting base, a transmission roller is mounted at the end of the transverse moving assembly, anti-falling linkage mechanisms are arranged at the two ends of the transmission roller, and transmission mechanisms are connected between the anti-falling linkage mechanisms and the transmission gears. The anti-falling linkage mechanism comprises an inner ratchet ring and ratchets, the ratchets are connected with the transmission roller, the inner ratchet ring is connected with the transmission mechanism, the cable can be normally pulled and laid through transmission of the transmission roller and cooperation of the ratchets and the inner ratchet ring, and the anti-falling supporting petals can achieve the anti-falling effect.

Description

Technical Field

[0001] The present invention relates to the technical field of cable laying, in particular to a cable anti-falling buffer device used for laying super-high-rise power cables. Background Art

[0002] Wires and cables are wire products used to transmit electrical (magnetic) energy, information and realize electromagnetic energy conversion. Wires and cables in a broad sense are also referred to as cables. Cables in a narrow sense refer to insulated cables, which can be defined as: a collection of the following parts; one or more insulated wire cores, and their respective coatings, total protective layers and outer sheaths. Cables may also have additional uninsulated conductors. With the advancement of science and technology, the number of existing high-rise and super-high-rise buildings is increasing, and the vertical laying of cables is getting longer and longer. The risk of cables falling during cable laying is increasing. In the existing technology, the process of vertical cable laying is prone to unsafe conditions such as sudden falls. The invention patent application with the publication number "CN116365422A" discloses a cable laying anti-fall fixing device and its use. The method uses a method that drives the valve to rotate by rotating the roller. Under the action of the cable's own weight, the valve is tightened by friction to prevent the cable from falling, eliminating safety hazards. Although it effectively solves the problem of cable falling during laying, during the cable laying process, it is necessary to pull the cable relatively according to the specific usage conditions. During the pulling process, the cable will move downward relatively, but due to the design of the valve, it will relatively prevent the cable from moving downward, thereby affecting the laying of the cable and causing inconvenience in cable laying. For this reason, we propose a cable anti-fall buffer device and method for ultra-high-rise power cable laying to solve the above problems. Summary of the Invention

[0003] The object of the present invention is to provide a cable anti-falling buffer device used for laying super-high-rise power cables, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a cable anti-fall buffer device for use in super-high-rise power cable laying, comprising an annular mounting seat, a rotating chamber being defined on the inner side of the annular mounting seat, an anti-fall support petal being rotatable to prevent the cable from falling being provided in the rotating chamber via a rotating shaft, a transmission internal gear ring being provided inside the annular mounting seat and being able to move vertically to drive the anti-fall support petal to rotate and contact the cable, a transmission gear being provided inside the annular mounting seat via a rotating shaft, the transmission gear being meshed with the inner side of the transmission internal gear ring; The inner side of the annular mounting seat above the anti-fall support petal is provided with an adaptively movable transverse component, and the end of the transverse component close to the middle of the annular mounting seat is provided with a transmission roller that can contact and rotate with the outer side of the cable, and the transverse component can push the transmission roller to contact the outer side of the cable; An anti-fall linkage mechanism is provided at both ends of the transmission roller, and a transmission mechanism is connected between the anti-fall linkage mechanism and the transmission gear; The anti-fall linkage mechanism includes an inner ratchet ring and ratchet teeth. The ratchet teeth are connected to the transmission roller and can rotate together with the transmission roller. The inner ratchet ring is connected to the transmission mechanism. When the transmission roller is in a state of rapid rotation due to the cable falling, the ratchet teeth are driven by centrifugal force to engage with the inner side of the inner ratchet ring to drive the inner ratchet ring to rotate together.

[0005] Preferably, the anti-fall linkage mechanism further includes an operating drum and a transmission ring plate. Both ends of the transmission roller are provided with an inwardly concave annular groove, the inner ratchet ring is relatively rotatably mounted in the annular groove, and a central shaft is mounted in the center of the annular groove; A plurality of directional sleeves are installed on one side of the ring groove close to the center of the transmission roller, and the ratchet can be slidably connected to the directional sleeves through the directional sleeves, and a linkage guide column is installed on the outer side of the end of the ratchet away from the inner ratchet ring; The transmission ring plate is relatively rotatably sleeved on the outer side of the central shaft, and an operating drum movably sleeved on the outer side of the central shaft is installed on the outer side of the transmission ring plate. The operating drum and the transmission ring plate are connected to each other in a linkage manner; The transmission ring plate is provided with an arc-shaped sliding groove which gradually approaches the central axis, and the linkage guide column is movably connected in the arc-shaped sliding groove; A plurality of positioning mechanisms are connected between the operating drum and the central shaft.

[0006] Preferably, the positioning mechanism includes a third spring and a positioning pin. The positioning pin is slidably connected to the inner side of the operating drum and can be completely moved into the operating drum. One end of the operating drum can be hemispherical and plugged into the outer side of the central axis. The third spring is installed on the other end of the positioning pin, and the third spring is used to drive the positioning pin to be plugged into the central axis.

[0007] Preferably, the transverse movement assembly includes a mounting plate, a first spring, a directional guide rod, and a mounting frame; The mounting frame is mounted on both sides of the mounting plate and connected to the transmission roller; The directional guide rod is installed on the side of the mounting plate frame opposite to the transmission roller and is slidably connected to the annular mounting seat; A first spring is installed in the middle of the side of the mounting plate frame opposite to the transmission roller, and the first spring is in contact with the annular mounting seat.

[0008] Preferably, the operating drum and the end of the central shaft pass through the mounting frame and extend out of the mounting frame.

[0009] Preferably, a transmission chamber with an opening toward the transmission roller is opened on the upper inner side of the annular mounting seat, a fixing plate is installed at the opening of the transmission chamber, and a gap exists between the fixing plate and the inner wall of the transmission chamber. The directional guide rod passes through the fixed plate and points into the transmission chamber and is slidably connected to the fixed plate; The first spring abuts against a side of the fixing plate close to the transmission roller.

[0010] Preferably, the transmission mechanism includes a driving wheel, a transmission belt, a linkage shaft, and a movable pulley. The transmission gear is installed in the middle of the linkage shaft, and the linkage shaft is connected to the inner wall of the transmission chamber through an axis pin; The driving wheel is movably sleeved on the outer side of the middle section of the operating drum in the mounting frame and is fixed to the inner ratchet ring; An outer frame is mounted in the annular mounting seat and can move relatively therein. The movable pulley is connected to the outer frame via a rotating shaft. The movable pulley can move adaptively to pull the transmission belt. The inner side of the transmission belt contacts the outer sides of the driving wheel, the linkage shaft and the movable pulley.

[0011] Preferably, the outer frame comprises a sliding frame; The sliding frames are respectively located on both sides of the movable pulley, and are slidably connected to the annular mounting seat, and the transmission belt can be stretched by moving the sliding frames; A second spring is installed on the side of the movable pulley facing the inside of the transmission belt, and the second spring is connected to the annular mounting seat.

[0012] Preferably, the inner wall of the transmission chamber is connected to a first fixed pulley and a second fixed pulley through an axle pin, and the first fixed pulley and the second fixed pulley abut against the outer side of the transmission belt, and the transmission belt can extend relatively straight from the gap between the fixed plate and the inner wall of the transmission chamber, and at the same time, the transmission belt can be pulled by a relatively straight passive pulley.

[0013] Preferably, the anti-fall support petal includes a support petal plate and an incomplete gear; The incomplete gear is mounted on both sides of the supporting flap connected to one end of the rotating chamber, and the outer side of the incomplete gear is meshed with the inner side of the transmission inner gear ring; The end surface of the other end of the supporting flap is provided with engaging teeth for contacting the cable.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. This cable anti-fall buffer device used for laying super-high-rise power cables, through the transmission of the transmission roller and the cooperation between the ratchet and the inner ratchet ring, ensures that during the normal pulling and laying of the cable, the anti-fall support petal does not affect the laying of the cable, and through the transmission of the transmission roller, when the cable falls, its anti-fall support petal can play a role in preventing the cable from falling.

[0015] 2. The cable anti-fall buffer device used for super-high-rise power cable laying, through the action of the positioning mechanism, after the cable falls and is fixed, it can unlock the fixed state of the anti-fall support petal by pulling the cable upwards, and can continue to play a subsequent anti-fall effect, making it more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the structure of the present invention from a top view; Figure 3 It is a schematic diagram of the structure of the present invention in a front view and cross-section; Figure 4 This is a schematic diagram of the structure of the connection between the transmission gear and the transmission inner gear ring in the present invention; Figure 5 This is a schematic structural diagram of a cross-section of the connection between the transmission gear and the transmission inner gear ring in the present invention; Figure 6 It is a structural diagram of the transmission mechanism connection in the present invention; Figure 7 Schematic diagram of the structure of the transverse movement assembly in the present invention; Figure 8 It is a structural schematic diagram of the cross-section of the transmission roller connection in the present invention; Figure 9 This is a schematic diagram of the structure of the connection between the inner ratchet ring and the ratchet teeth in the present invention; Figure 10 It is a structural schematic diagram of A in the present invention; Figure 11 It is a structural schematic diagram of point B in the present invention.

[0018] In the figure: 1. annular mounting seat; 1a. rotating chamber; 1b. transmission chamber; 2. anti-fall support petal; 2a. support petal plate; 2b. incomplete gear; 3. transmission roller; 4. mounting plate frame; 5. first spring; 6. transmission gear; 7. transmission inner gear ring; 8. driving wheel; 9. transmission belt; 10. linkage shaft; 11. movable pulley; 12. first fixed pulley; 13. second fixed pulley; 14. directional guide rod; 15. mounting frame; 16. operating drum; 17. sliding frame; 18. second spring; 19. inner ratchet ring; 20. directional sleeve; 21. ratchet; 22. linkage guide column; 23. transmission ring plate; 24. arc-shaped slide groove; 25. fixed plate; 26. third spring; 27. center axis; 28. positioning pin. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0020] Example: Figure 1-11 As shown, the present invention provides a cable anti-fall buffer device for laying super-high-rise power cables, comprising an annular mounting seat 1, a rotating chamber 1a is opened on the inner side of the annular mounting seat 1, and an anti-fall support flap 2 that can rotate to prevent the cable from falling is provided in the rotating chamber 1a through a rotating shaft. When the vertical cable is laid, the anti-fall support flap 2 is opened, and the cable is laid upward normally. When the cable falls, under the action of the cable's own weight, the anti-fall support flap 2 contacts the cable and is tightened by its friction force, and the cable is fixed to prevent the cable from falling. In order to prevent the cable from falling, a transmission inner gear ring 7 is provided inside the annular mounting seat 1, which can move vertically to drive the anti-fall support petal 2 to rotate and contact the cable. When the transmission inner gear ring 7 moves downward, the end of the anti-fall support petal 2 rotates from top to bottom and contacts the cable, thereby fixing the cable to prevent it from falling. A transmission gear 6 is provided inside the annular mounting seat 1 through a rotating shaft. The transmission gear 6 is meshed with the inner side of the transmission inner gear ring 7. The rotation of the transmission gear 6 drives the transmission inner gear ring 7 to move. The inner side of the annular mounting seat 1 above the anti-fall support petal 2 is provided with an adaptively movable transverse component, and the end of the transverse component close to the middle of the annular mounting seat 1 is provided with a transmission roller 3 that can contact and rotate with the outer side of the cable, and the transverse component can push the transmission roller 3 to contact with the outer side of the cable, that is, the transverse component can push the transmission roller 3 to contact with the outside of cables of different diameters, and when the cable falls, the transmission roller 3 rotates accordingly, and when the cable falls, the transmission roller 3 will rotate rapidly, and then the basic signal of the cable falling can be given through the transmission roller 3; The two ends of the transmission roller 3 are provided with an anti-fall linkage mechanism, and a transmission mechanism is connected between the anti-fall linkage mechanism and the transmission gear 6. When the cable falls, the anti-fall linkage mechanism can drive the transmission mechanism under the action of the centrifugal force generated by the high-speed rotation of the transmission roller 3, and then drive the transmission gear 6 to move, prompting the anti-fall support petal 2 to rotate and contact the cable to prevent the cable from falling. In this way, during the cable laying process, it can ensure the normal pulling back and forth of the cable while also playing the role of preventing the cable from falling; The anti-fall linkage mechanism includes an inner ratchet ring 19 and ratchet teeth 21. The ratchet teeth 21 are connected to the transmission roller 3 and can rotate together with the transmission roller 3. That is, when the transmission roller 3 rotates, its ratchet teeth 21 can perform circular motion accordingly, that is, the transmission roller 3 rotates at high speed when the cable falls, so that the ratchet teeth 21 can be thrown out under the action of centrifugal force. The inner ratchet ring 19 is connected to the transmission mechanism. When the transmission roller 3 is in a state of rapid rotation due to cable falling, the ratchet teeth 21 are driven by centrifugal force to engage with the inner side of the inner ratchet ring 19 to drive the inner ratchet ring 19 to rotate together. The rotation of the inner ratchet ring 19 drives the transmission mechanism to transmit, and finally the anti-fall support petal 2 can contact the cable, and through the cooperation between the inner ratchet ring 19 and the ratchet teeth 21, the anti-fall support petal 2 can still pull the cable upward after fixing the cable, which is convenient for subsequent cable laying.

[0021] The anti-fall linkage mechanism also includes an operating drum 16 and a transmission ring plate 23. Both ends of the transmission roller 3 are provided with concave annular grooves, and the inner ratchet ring 19 can be relatively rotatably installed in the annular grooves, that is, the transmission roller 3 and the inner ratchet ring 19 can rotate relative to each other without affecting each other, that is, at this time the cable can be normally pulled back and forth. The center of the annular groove is installed with a central shaft 27; A plurality of directional sleeves 20 are installed on one side of the annular groove close to the center of the transmission roller 3. The ratchet teeth 21 can pass through the directional sleeves 20 and be slidably connected thereto, that is, the directional sleeves 20 can define the movement trajectory of the ratchet teeth 21. A linkage guide post 22 is installed on the outer side of the end of the ratchet teeth 21 away from the inner ratchet ring 19. Under the transmission of the linkage guide post 22, the ratchet teeth 21 can move; The transmission ring plate 23 is rotatably sleeved on the outside of the central shaft 27, that is, the transmission ring plate 23 and the central shaft 27 can rotate relative to each other. An operating drum 16 movably sleeved on the outside of the central shaft 27 is installed on the outside of the transmission ring plate 23. The operating drum 16 and the transmission ring plate 23 are connected to each other in a linkage manner, that is, the transmission ring plate 23 can be driven to rotate by the operating drum 16. The transmission ring plate 23 is provided with an arcuate slot 24 which gradually approaches the central axis 27. The linkage guide post 22 is movably connected to the arcuate slot 24. When the transmission ring plate 23 rotates, the linkage guide post 22 can slide relatively in the arcuate slot 24, and all the ratchet teeth 21 can move together. There are multiple sets of positioning mechanisms connected between the operating drum 16 and the central axis 27. Through the positioning mechanisms, the transmission roller 3 will not cause the ratchet 21 to move under the action of centrifugal force when it rotates slowly. That is, the ratchet 21 will only move when the centrifugal force is greater than the limiting force of the positioning mechanism on the operating drum 16. After the anti-fall support petal 2 fixes the cable, when the cable is pulled upward, the rotation of the transmission roller 3, through the cooperation between the ratchet 21 and the inner ratchet ring 19, can enable the ratchet 21 to move to a state where it is not engaged with the inner ratchet ring 19, that is, the cable can be pulled at this time, and when the cable falls again, it can still play an anti-fall effect again.

[0022] The positioning mechanism includes a third spring 26 and a positioning pin 28. The positioning pin 28 is slidably connected to the inner side of the operating drum 16 and can be completely moved into the operating drum 16. When the positioning pin 28 is completely moved into the operating drum 16, the operating drum 16 can rotate relative to the central axis 27. One end of the operating drum 16 can be hemispherically plugged into the outer side of the central axis 27. The third spring 26 is installed at the other end of the positioning pin 28. The third spring 26 is used to drive the positioning pin 28 to be plugged into the central shaft 27. Under the action of the elastic force of the positioning pin 28, the third spring 26 can automatically be plugged into the central shaft 27.

[0023] The transverse movement assembly includes a mounting plate frame 4, a first spring 5, a directional guide rod 14, and a mounting frame 15; The mounting frame 15 is mounted on both sides of the mounting plate 4 and is connected to the transmission roller 3, that is, when the mounting frame 15 moves, the transmission roller 3 can move with it; The directional guide rod 14 is installed on the side of the mounting plate 4 opposite to the transmission roller 3 and is slidably connected to the annular mounting seat 1. The relative movement of the directional guide rod 14 can limit the movement trajectory of the transmission roller 3. A first spring 5 is installed in the middle of the side of the mounting plate 4 opposite to the transmission roller 3. The first spring 5 is in contact with the annular mounting seat 1. Through the elastic force of the first spring 5, the mounting plate 4 can drive the mounting frame 15 to move and enable the transmission roller 3 to be in contact with the transmission roller 3.

[0024] The ends of the operating cylinder 16 and the central axis 27 pass through the mounting frame 15 and extend out of the mounting frame 15, that is, the operating cylinder 16 can be directly screwed to adjust the position of the ratchet 21, and the anti-fall sensitivity can be adjusted by controlling the distance between the ratchet 21 and the inner side of the inner ratchet ring 19.

[0025] The upper portion of the inner side of the annular mounting seat 1 is provided with a transmission chamber 1b with an opening toward the transmission roller 3. A fixing plate 25 is installed at the opening of the transmission chamber 1b. There is a gap between the fixing plate 25 and the inner wall of the transmission chamber 1b. The directional guide rod 14 passes through the fixed plate 25 and points into the transmission chamber 1b and is slidably connected to the fixed plate 25; The first spring 5 abuts against a side of the fixing plate 25 close to the driving roller 3 .

[0026] The transmission mechanism includes a driving wheel 8, a transmission belt 9, a linkage shaft 10, and a movable pulley 11. The transmission gear 6 is installed in the middle of the linkage shaft 10, and the linkage shaft 10 is connected to the inner wall of the transmission chamber 1b through an axis pin. The transmission gear 6 can rotate together with the linkage shaft 10. The driving wheel 8 is movably connected to the outer side of the middle section of the operating drum 16 in the mounting frame 15 and is fixed to the inner ratchet ring 19, that is, the inner ratchet ring 19 and the driving wheel 8 can be linked together, and the driving wheel 8 can rotate relative to the operating drum 16; An outer frame that can move relatively within the annular mounting seat 1 is installed in the annular mounting seat 1, and the movable pulley 11 is connected to the outer frame through a rotating shaft, that is, the movable pulley 11 can rotate relative to the outer frame, and under the drive of the outer frame, the movable pulley 11 can move together. The movable pulley 11 can move adaptively to pull the transmission belt 9, so that the transmission belt 9 can always remain taut, thereby ensuring stable transmission of the transmission belt 9; The inner side of the transmission belt 9 contacts the outer sides of the driving wheel 8, the linkage shaft 10, and the movable pulley 11. Through the transmission of the transmission belt 9, the driving wheel 8, the linkage shaft 10, and the movable pulley 11 can rotate together.

[0027] The outer frame includes a sliding frame 17; The sliding frames 17 are respectively located on both sides of the movable pulley 11, and the sliding frames 17 are slidably connected to the annular mounting seat 1, and the transmission belt 9 can be stretched by the movement of the sliding frames 17; A second spring 18 is installed on the side of the movable pulley 11 facing the transmission belt 9. The second spring 18 is connected to the annular mounting seat 1. Under the action of the elastic force of the second spring 18, the sliding frame 17 can be pushed to move accordingly, so that the movable pulley 11 can always be in contact with the transmission belt 9 and the transmission belt 9 is in a taut state.

[0028] The inner wall of the transmission chamber 1b is connected to the first fixed pulley 12 and the second fixed pulley 13 through an axle pin. The first fixed pulley 12 and the second fixed pulley 13 are in contact with the outer side of the transmission belt 9. The transmission belt 9 can extend relatively straight from the gap between the fixed plate 25 and the inner wall of the transmission chamber 1b. At the same time, the transmission belt 9 can be pulled by the relatively straight passive pulley 11.

[0029] The anti-fall support flap 2 includes a support flap plate 2a and an incomplete gear 2b; The incomplete gear 2b is mounted on both sides of the support flap 2a connected to one end of the rotating chamber 1a. The outer side of the incomplete gear 2b meshes with the inner side of the transmission inner gear ring 7. The transmission inner gear ring 7 can drive the incomplete gear 2b to rotate, and the incomplete gear 2b can also rotate the support flap 2a so that the support flap 2a can contact the cable. The end surface of the other end of the support flap 2a is provided with engaging teeth for contacting the cable. The engaging teeth can increase the roughness of the contact surface between the support flap 2a and the cable, thereby achieving a better effect of limiting the cable.

[0030] In summary, the cable anti-fall buffer device applied to super high-rise power cable laying, when in use, when laying the cable upward, the cable can pass through the middle of the annular mounting seat 1, and then be laid smoothly, and under the action of the elastic force of the first spring 5, the mounting plate frame 4 is pushed, so that the transmission roller 3 can automatically contact with the cable and rotate relative to it as the cable moves. When the cable falls, its transmission roller 3 rotates at a corresponding high speed. Under the action of the centrifugal force generated by the high-speed rotation of the transmission roller 3, its ratchet 21 is thrown out and engages with the inner wall of the inner ratchet ring 19, and then driven by the ratchet 21, the inner ratchet ring 19 can rotate. Driven by the rotation of the inner ratchet ring 19, the transmission belt 9 can be transmitted. Under the drive of the transmission belt 9, the linkage shaft 10 can drive the transmission gear 6 to rotate. Driven by the rotation of the transmission gear 6, its transmission inner gear ring 7 moves upward, and the upward movement of the transmission inner gear ring 7 drives the incomplete gear 2b to rotate, and the engaging tooth end of the support flap 2a moves downward and contacts the cable, thereby limiting the cable and preventing it from falling. When the transmission roller 3 adaptively contacts the outer side of the cable, the sliding frame 17 can move under the action of the elastic force of the second spring 18, and drives the movable pulley 11 to move. Through the movement of the movable pulley 11, the transmission belt 9 can always be in a taut state, ensuring the smooth transmission of the transmission belt 9. When the incomplete gear 2b stably restrains the cable, the transmission roller 3 stops rotating. At this time, under the action of the elastic force of the third spring 26, the positioning pin 28 can be plugged into the central axis 27, so that the ratchet 21 remains engaged with the inner ratchet ring 19, so that the cable can still be restrained after it stops falling.

[0031] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A cable anti-fall buffer device for laying super-high-rise power cables, comprising an annular mounting seat (1), a rotating chamber (1a) being provided on the inner side of the annular mounting seat (1), and an anti-fall support flap (2) being rotatable via a rotating shaft in the rotating chamber (1a) to prevent the cable from falling, characterized in that: The annular mounting seat (1) is provided with a transmission inner gear ring (7) which can move vertically to drive the anti-fall support petal (2) to rotate and contact the cable. The annular mounting seat (1) is provided with a transmission gear (6) via a rotating shaft. The transmission gear (6) is meshed with the inner side of the transmission inner gear ring (7). The annular mounting seat (1) is provided with an adaptively movable transverse component on the inner side above the anti-fall support petal (2), and a transmission roller (3) capable of contacting and rotating with the outer side of the cable is installed at the end of the transverse component close to the middle of the annular mounting seat (1), and the transverse component can push the transmission roller (3) to contact the outer side of the cable; Anti-fall linkage mechanisms are provided at both ends of the transmission roller (3), and a transmission mechanism is connected between the anti-fall linkage mechanism and the transmission gear (6); The anti-fall linkage mechanism comprises an inner ratchet ring (19) and a ratchet (21), wherein the ratchet (21) is connected to the transmission roller (3) and can rotate together with the transmission roller (3), and the inner ratchet ring (19) is connected to the transmission mechanism. When the transmission roller (3) is in a state of rapid rotation due to the cable falling, the ratchet (21) is driven by centrifugal force to engage with the inner side of the inner ratchet ring (19) to drive the inner ratchet ring (19) to rotate together.

2. The cable anti-fall buffer device used for laying super high-rise power cables according to claim 1, characterized in that: The anti-fall linkage mechanism further includes an operating drum (16) and a transmission ring plate (23). Both ends of the transmission roller (3) are provided with inwardly concave annular grooves, the inner ratchet ring (19) is relatively rotatably mounted in the annular groove, and a central shaft (27) is mounted at the center of the annular groove; A plurality of directional sleeves (20) are installed on one side of the ring groove close to the center of the transmission roller (3), the ratchet (21) can pass through the directional sleeve (20) and be slidably connected thereto, and a linkage guide column (22) is installed on the outer side of the end of the ratchet (21) away from the inner ratchet ring (19); The transmission ring plate (23) is relatively rotatably sleeved on the outside of the central shaft (27), and an operating rotary drum (16) movably sleeved on the outside of the central shaft (27) is installed on the outside of the transmission ring plate (23). The operating rotary drum (16) and the transmission ring plate (23) are connected to each other for linkage; The transmission ring plate (23) is provided with an arc-shaped sliding groove (24) which gradually approaches the central axis (27), and the linkage guide column (22) is movably connected in the arc-shaped sliding groove (24); Multiple groups of positioning mechanisms are connected between the operating drum (16) and the central shaft (27).

3. The cable fall prevention buffer device for super high-rise power cable laying according to claim 2, characterized in that: The positioning mechanism includes a third spring (26) and a positioning pin (28). The positioning pin (28) is slidably connected to the inner side of the operating drum (16) and can be completely moved into the operating drum (16). One end of the operating drum (16) can be hemispherically connected to the outer side of the central shaft (27). The third spring (26) is installed at the other end of the positioning pin (28), and the third spring (26) is used to drive the positioning pin (28) to be plugged into the central shaft (27).

4. The cable anti-fall buffer device used for laying super-high-rise power cables according to claim 2, characterized in that: The transverse movement assembly comprises a mounting plate frame (4), a first spring (5), a directional guide rod (14), and a mounting frame (15); The mounting frame (15) is mounted on both sides of the mounting plate frame (4) and connected to the transmission roller (3); The directional guide rod (14) is mounted on a side of the mounting plate frame (4) opposite to the transmission roller (3) and is slidably connected to the annular mounting seat (1); A first spring (5) is installed in the middle of the side of the mounting plate frame (4) opposite to the transmission roller (3), and the first spring (5) is in contact with the annular mounting seat (1).

5. The cable anti-fall buffer device used for laying super high-rise power cables according to claim 4, characterized in that: The operating drum (16) and the end of the central shaft (27) pass through the mounting frame (15) and extend out of the mounting frame (15).

6. The cable anti-fall buffer device used for laying super high-rise power cables according to claim 5, characterized in that: A transmission chamber (1b) with an opening toward the transmission roller (3) is provided on the upper inner portion of the annular mounting seat (1). A fixing plate (25) is installed at the opening of the transmission chamber (1b). A gap exists between the fixing plate (25) and the inner wall of the transmission chamber (1b). The directional guide rod (14) passes through the fixed plate (25) and points into the transmission chamber (1b) and is slidably connected to the fixed plate (25); The first spring (5) abuts against a side of the fixing plate (25) close to the transmission roller (3).

7. The cable fall prevention and buffer device for laying super high-rise power cables according to claim 6, characterized in that: The transmission mechanism comprises a driving wheel (8), a transmission belt (9), a linkage shaft (10), and a movable pulley (11). The transmission gear (6) is installed in the middle of the linkage shaft (10), and the linkage shaft (10) is connected to the inner wall of the transmission chamber (1b) via a shaft pin; The driving wheel (8) is movably sleeved on the outer side of the middle section of the operating drum (16) in the mounting frame (15) and is fixed to the inner ratchet ring (19); An outer frame is mounted in the annular mounting seat (1) and is relatively movable in the annular mounting seat (1). The movable pulley (11) is connected to the outer frame via a rotating shaft. The movable pulley (11) is adaptively movable to pull the transmission belt (9). The inner side of the transmission belt (9) contacts the outer sides of the driving wheel (8), the linkage shaft (10), and the movable pulley (11).

8. The cable fall prevention buffer device for super high-rise power cable laying according to claim 7, characterized in that: The outer frame includes a sliding frame (17); The sliding frames (17) are respectively located on both sides of the movable pulley (11), and the sliding frames (17) are slidably connected to the annular mounting seat (1), and the transmission belt (9) can be stretched by moving the sliding frames (17); A second spring (18) is installed on the side of the movable pulley (11) facing the inside of the transmission belt (9), and the second spring (18) is connected to the annular mounting seat (1).

9. The cable fall prevention and buffer device for laying super high-rise power cables according to claim 8, characterized in that: The inner wall of the transmission chamber (1b) is connected to a first fixed pulley (12) and a second fixed pulley (13) via an axle pin. The first fixed pulley (12) and the second fixed pulley (13) abut against the outer side of the transmission belt (9). The transmission belt (9) can extend relatively straight from the gap between the fixed plate (25) and the inner wall of the transmission chamber (1b). At the same time, the transmission belt (9) can be pulled by the relatively straight passive pulley (11).

10. The cable anti-fall buffer device used for laying super high-rise power cables according to claim 9, characterized in that: The anti-fall support flap (2) comprises a support flap plate (2a) and an incomplete gear (2b); The incomplete gear (2b) is mounted on both sides of the support flap (2a) connected to one end of the rotating chamber (1a), and the outer side of the incomplete gear (2b) is meshed with the inner side of the transmission inner gear ring (7); The end surface of the other end of the supporting flap (2a) is provided with engaging teeth for contacting the cable.

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