CN115842308B

CN115842308B - Auxiliary device for overhead laying of cable

Info

Publication number: CN115842308B
Application number: CN202310141033.7A
Authority: CN
Inventors: 宋德平; 房毅; 徐子华; 郑玉柱; 王文涛; 张永峰; 马慧; 冯敏; 张倩; 史建省; 郝英欣; 吴莹
Original assignee: Weifang Power Supply Co of State Grid Shandong Electric Power Co Ltd
Current assignee: Weifang Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-05-23
Anticipated expiration: 2043-02-21
Also published as: CN115842308A

Abstract

The invention provides an auxiliary device for overhead laying of a cable. Its technical scheme does, an auxiliary device is laid to cable overhead, including mounting bracket mechanism, install installation mechanism and elevating system on the mounting bracket mechanism, elevating system installs conveying mechanism and guardrail on, mounting bracket mechanism includes bottom plate, universal wheel, accessory plate and locking bolt, four the universal wheel is all fixed at the bottom of bottom plate four, two sliding grooves have been seted up to the top left end of bottom plate, two rotation grooves have been seted up in the left side of bottom plate. The invention has the beneficial effects that the whole device can move through the cooperation between the bottom plate and the universal wheels, a worker does not need to carry a cable drum to move, the labor intensity of the worker is reduced, and meanwhile, compared with an automobile, the device is more compact and flexible, and the operation can be carried out in places where automobiles such as field heads, streets and the like cannot reach.

Description

Auxiliary device for overhead laying of cable

Technical Field

The invention relates to the technical field of electric power construction, in particular to an auxiliary device for overhead laying of a cable.

Background

It is known that the purpose of power construction is to complete the laying of a cable so as to realize the transmission of power, but according to the different construction environments, the cable laying often needs to be "on the sky" or "on the ground", namely, the cable is erected through a telegraph pole or a high-voltage power grid, or the cable is laid in an underground pipeline after passing through a electric well, and the conventional telegraph pole overhead construction is to bundle and fix the cable by climbing on the telegraph pole through auxiliary equipment after the cable is unfolded by staff, so that the following inconvenience is caused during construction.

(1) When the cable is laid, the cable drum is heavy and large in size, and the movable laying staff is difficult to move, so that the construction of the staff is inconvenient.

(2) When bundling cables, workers are required to carry the cables to the top of a telegraph pole for bundling, so that the workers have difficulty climbing.

(3) When bundling, the cable needs staff to be tensioned, the cable between two adjacent telegraph poles is prevented from falling, the waste of the cable length is caused, larger force is needed in the tensioning process, the staff is used for constructing at the top of the telegraph pole, and the construction difficulty is high.

Disclosure of Invention

Aiming at the problems of the prior art, the invention provides an auxiliary device for overhead laying of a cable.

The invention provides a cable overhead laying auxiliary device, which comprises a mounting frame mechanism, wherein a mounting mechanism and a lifting mechanism are arranged on the mounting frame mechanism, a conveying mechanism and a guardrail are arranged on the lifting mechanism, the mounting frame mechanism comprises a bottom plate, universal wheels, an auxiliary plate and locking bolts, the four universal wheels are all fixed at the bottom four ends of the bottom plate, two sliding grooves are formed in the left end of the top of the bottom plate, two rotating grooves are formed in the left side of the bottom plate, the auxiliary plate is rotationally connected between the two rotating grooves, the two locking bolts are respectively in threaded connection with the front side and the rear side of the bottom plate and are positioned on the left side of the auxiliary plate, so that the labor intensity of workers can be reduced by the auxiliary plate, the mounting frame mechanism comprises the bottom plate, the universal wheels, the auxiliary plate and the locking bolts, the four universal wheels are all fixed at the bottom four ends of the bottom plate, two sliding grooves are formed in the left end of the top of the bottom plate, two rotating grooves are formed in the left side of the bottom plate, the auxiliary plate is rotationally connected between the two rotating grooves, the auxiliary plate is rotationally connected with the two rotating grooves, the auxiliary plate is respectively in threaded connection with the front side of the auxiliary plate and the left side of the bottom plate can be conveniently connected with the left side of the bottom plate through the auxiliary plate and the auxiliary plate.

Further, the one end of back shaft and spacer pin all is fixed with the arc handle, the outside of arc handle is fixed with the antiskid cover, through the arc handle to the staff's operation of being convenient for, through the antiskid cover, with the antiskid effect of reinforcing arc handle.

Further, the installation mechanism comprises sliding seats, connecting rods, connecting seats, supporting shafts, limiting pins, fixing rods, a first fixing block, a second fixing block, a two-way threaded rod, a first servo motor and a cable drum, wherein four sliding seats are respectively and slidably connected to the inner sides of two sliding grooves, two connecting seats are respectively located above the two sliding grooves, one ends of four connecting rods are respectively hinged to the four sliding seats, and the other ends of the four connecting rods are respectively hinged to the two connecting seats.

Further, two the dead lever all with the bottom sliding connection of bottom plate, two the both ends are fixed with four sliding seats respectively around the dead lever, and two dead levers of threaded connection are respectively at the outside both ends of two-way threaded rod, and two rotation connection fixed block one and fixed block two respectively at the both ends of two-way threaded rod, fixed block one and fixed block two are all fixed with the bottom of bottom plate, the one end of two-way threaded rod is fixed with servo motor one's pivot, servo motor one is fixed in the bottom of bottom plate, the cable drum is located between two connecting seats, two the back shaft runs through two connecting seats respectively and pegs graft with the cable drum, two the spacer pin runs through two back shafts respectively and peg graft on the connecting seat, can drive two dead levers through the rotation of two-way threaded rod for the height of connecting seat can be adjusted, installs the cable drum of different specification sizes, and application scope is wider.

Further, the two connecting seats are symmetrically distributed, the bottoms of the sliding seats are in a T shape and penetrate through the sliding grooves, the supporting shafts and the limiting pins are mutually interlocked at an included angle of 90 degrees, and the mounting mechanism has good stability and convenience in detachment through the interlocking between the supporting shafts and the limiting pins.

Further, elevating system includes carriage one, articulated seat two, fixed block three, servo motor two, connecting block, screw rod, carriage two, articulated seat three, articulated seat four and mounting panel, two articulated seat four have two folding brackets between the articulated seat four, the both ends of connecting block are fixed with two articulated seat one respectively, limit sliding connection is in the inboard of two carriage one, two articulated seat two are fixed on the top front end of bottom plate, the mounting panel is located the top of bottom plate, two the bottom rear end at the mounting panel is fixed to carriage two articulated seat three respectively limit sliding connection in the inboard of two carriage two, two articulated seat four are fixed in the bottom front end of mounting panel, two articulated seat one, articulated seat three and articulated seat four between have two folding brackets, the both ends of connecting block are fixed with two articulated seat one respectively, the one end of screw rod runs through the connecting block and rather than threaded connection, the other end of screw rod runs through fixed block three and rotates with it to be connected, the fixed block three is fixed on the bottom plate motor, the servo motor is fixed respectively, the second can carry on the pivot and the fixed cable of two, the required to carry on the servo motor, the lifting and the lifting device is carried by two, the servo motor is needed to carry on the lifting.

Further, the first hinge seat, the second hinge seat, the third hinge seat, the fourth hinge seat and the folding bracket are symmetrically distributed, and the folding bracket is formed by mutually hinging a plurality of rotating rods.

Further, conveying mechanism includes protecting crust, wire roller one, wire roller two, gear one, gear two, rotation post, antiskid cover, guide ring and servo motor three, the protecting crust is fixed on the top of mounting panel, gear one and gear two intermesh connection, gear one and gear two all rotate with the top of mounting panel and are connected, gear one and gear two all are located the inside of protecting crust, the pivot of gear one and gear two runs through the top of protecting crust and rotates rather than being connected, two the bottom of rotation post is fixed with the pivot of gear one and gear two respectively, and two the antiskid cover is fixed in the outside of two rotation posts respectively, and the guide ring is fixed on the top of mounting panel and is located the right side of protecting crust, servo motor three is fixed in the bottom of mounting panel, servo motor three's pivot is fixed with the pivot of gear one, wire roller one need not to be fixed at the top left end of mounting panel, wire roller two are fixed on the bottom plate, can be through the cooperation between conveying mechanism and the mounting mechanism, spread the cable on the cable dish manual intensity of spreading personnel has reduced.

Further, the guardrail is fixed in the top edge of mounting panel, the antiskid cover has been cup jointed in the outside of guardrail, the controller is installed to the top front side of bottom plate, controller internally mounted has the transformer, can control the switch of each motor through the controller, can pass through the transformer for the power of device can be through multiple modes such as external and battery, and adaptation scene is more extensive.

The beneficial effects of the invention are as follows:

(1) The locking bolt is detached, the auxiliary plate is rotated leftwards to be in contact with the ground, so that a worker can conveniently transport the cable drum to the bottom plate, and the labor intensity of the worker for carrying the cable drum is reduced.

(2) The first gear is driven to rotate through the third servo motor, the first gear is connected with the second gear in a meshed mode, and then the two rotating columns are driven to rotate oppositely, the cable is laid out from the cable drum under the action of the anti-skid sleeve, manual pulling of workers is not needed, and labor intensity of the workers is reduced.

(3) The second servo motor drives the screw rod to rotate, and then the first connecting block drives the second hinge seat to move so that the mounting plate is lifted, and under the action of the guide ring, the cable is lifted without carrying the cable by workers for climbing.

(4) Through the cooperation between mounting panel and the guardrail, can let the staff follow the mounting panel and rise the top of wire pole together and work, need not the staff and scramble, construction convenience reduces staff's health intensity of labour, simultaneously, the guardrail has strengthened staff's security.

(5) The servo motor drives the bidirectional threaded rod to rotate, so that the position of the connecting seat can be lifted, and therefore workers can conveniently install cable reels of different specifications and sizes, and the application range is wider.

(6) Through the cooperation between bottom plate and the universal wheel for whole device can remove, need not the staff and carries the cable drum and remove, reduces staff's intensity of labour, and the device is compared in the car simultaneously, and is more small and exquisite nimble, and the field head of a field, street alley etc. car can both operate in the place that can not arrive.

Drawings

In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the installation mechanism of the present invention.

Fig. 3 is a bottom perspective view of the mounting mechanism of the present invention.

Fig. 4 is a schematic perspective view of a lifting mechanism according to the present invention.

Fig. 5 is a schematic perspective view of a conveying mechanism according to the present invention.

Fig. 6 is a schematic perspective view of the guardrail according to the present invention.

In the figure: 1. a mounting frame mechanism; 2. a mounting mechanism; 3. a lifting mechanism; 4. a conveying mechanism; 5. guard bars; 101. a bottom plate; 102. a universal wheel; 103. a sliding groove; 104. a rotating groove; 105. an auxiliary plate; 106. a locking bolt; 201. a sliding seat; 202. a connecting rod; 203. a connecting seat; 204. a support shaft; 205. a limiting pin; 206. a fixed rod; 207. a first fixed block; 208. a second fixed block; 209. a two-way threaded rod; 210. a servo motor I; 211. a cable drum; 301. a first sliding frame; 302. a hinge seat I; 303. folding the bracket; 304. a hinge seat II; 305. a fixed block III; 306. a servo motor II; 307. a connecting block; 308. a screw; 309. a second sliding frame; 310. a hinging seat III; 311. a hinging seat IV; 312. a mounting plate; 401. a protective shell; 402. a first wire guide roller; 403. a second wire guide roller; 404. a first gear; 405. a second gear; 406. rotating the column; 407. an anti-skid sleeve; 408. a guide ring; 409. and a servo motor III.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the invention are intended to be within the scope of the patent protection.

As shown in fig. 1-6, in this embodiment, the invention provides an auxiliary device for laying cable overhead, which comprises a mounting frame mechanism 1, wherein a mounting mechanism 2 and a lifting mechanism 3 are installed on the mounting frame mechanism 1, a conveying mechanism 4 and a guardrail 5 are installed on the lifting mechanism 3, the mounting frame mechanism 1 comprises a bottom plate 101, universal wheels 102, an auxiliary plate 105 and a locking bolt 106, four universal wheels 102 are all fixed at the bottom four ends of the bottom plate 101, two sliding grooves 103 are formed at the left end of the top of the bottom plate 101, two rotating grooves 104 are formed at the left side of the bottom plate 101, the auxiliary plate 105 is rotatably connected between the two rotating grooves 104, the two locking bolts 106 are respectively connected at the front side and the rear side of the bottom plate 101 in a threaded manner and are positioned at the left side of the auxiliary plate 105, the mounting mechanism 2 comprises a sliding seat 201, a connecting rod 202, a connecting seat 203, a supporting shaft 204, a limiting pin 205, a fixing rod 206, a fixing block 207, a fixing block 208, a bidirectional threaded rod 209, a servo motor 210 and a cable tray 211, the four sliding seats 201 are respectively connected at the inner sides of the two sliding grooves 103, the two connecting seats 203 are respectively located at the upper sides of the two connecting seats 202, the two connecting seats 202 are respectively, the four connecting seats are respectively hinged with the four connecting seats 203, and the other ends are respectively hinged to the two connecting seats 202;

the two fixing rods 206 are both in sliding connection with the bottom of the bottom plate 101, the front end and the rear end of the two fixing rods 206 are respectively fixed with the four sliding seats 201, the two ends of the outer side of the two-way threaded rod 209 are respectively in threaded connection with the two fixing rods 206, the two ends of the two-way threaded rod 209 are respectively in rotary connection with the first fixing block 207 and the second fixing block 208, the first fixing block 207 and the second fixing block 208 are both fixed with the bottom of the bottom plate 101, one end of the two-way threaded rod 209 is fixed with the rotating shaft of the first servo motor 210, the first servo motor 210 is fixed at the bottom of the bottom plate 101, the cable drum 211 is positioned between the two connecting seats 203, the two supporting shafts 204 respectively penetrate through the two connecting seats 203 and are spliced with the cable drum 211, the two limiting pins 205 respectively penetrate through the two supporting shafts 204 and are spliced on the connecting seats 203, the two connecting seats 203 are symmetrically distributed, the bottom of the sliding seats 201 is in a T shape and penetrates through the sliding groove 103, the supporting shaft 204 and the limiting pin 205 are mutually interlocked at an included angle of 90 degrees, one ends of the supporting shaft 204 and the limiting pin 205 are both fixed with arc handles, the outer sides of the arc handles are fixed with anti-slip sleeves, the arc handles are convenient for workers to operate, the anti-slip sleeves are used for enhancing the anti-slip effect of the arc handles, the lifting mechanism 3 comprises a first sliding frame 301, a second sliding frame 302, a second sliding frame 304, a third fixed block 305, a second servo motor 306, a connecting block 307, a screw 308, a second sliding frame 309, a third sliding frame 310, a fourth sliding frame 311 and a mounting plate 312, the first sliding frame 301 is fixed on the rear end of the top of the bottom plate 101, the first sliding frame 302 is respectively in limit sliding connection with the inner sides of the first sliding frame 301, the second sliding frame 304 is fixed on the front end of the top of the bottom plate 101, the mounting plate 312 is positioned above the bottom plate 101, the second sliding frame 309 is fixed on the rear end of the bottom of the mounting plate 312, the three hinge seats 310 are respectively and limitedly and slidably connected to the inner sides of the two sliding frames 309, the four hinge seats 311 are fixed at the front ends of the bottoms of the mounting plates 312, the two first hinge seats 302, the two second hinge seats 304, the three hinge seats 310 and the four hinge seats 311 are hinged with the two folding brackets 303, two ends of the connecting block 307 are respectively fixed with the two first hinge seats 302, one end of the screw 308 penetrates through the connecting block 307 and is in threaded connection with the connecting block 307, the other end of the screw 308 penetrates through the fixing block three 305 and is in rotary connection with the fixing block three 305, the fixing block three 305 is fixed on the bottom plate 101, the rotating shaft of the second servo motor 306 is fixed with the screw 308, the two hinge seats 302, the two hinge seats 304, the three hinge seats 310, the four hinge seats 311 and the folding brackets 303 are symmetrically distributed, and the folding brackets 303 are mutually hinged by a plurality of rotating rods;

the conveying mechanism 4 comprises a protecting shell 401, a first lead roller 402, a second lead roller 403, a first gear 404, a second gear 405, rotating columns 406, anti-slip sleeves 407, guide rings 408 and a third servo motor 409, wherein the protecting shell 401 is fixed on the top of a mounting plate 312, the first gear 404 and the second gear 405 are connected with each other in an meshed mode, the first gear 404 and the second gear 405 are both rotationally connected with the top of the mounting plate 312, the first gear 404 and the second gear 405 are both positioned in the protecting shell 401, the rotating shafts of the first gear 404 and the second gear 405 penetrate through the top of the protecting shell 401 and are rotationally connected with the first gear 404 and the second gear 405, the bottoms of the two rotating columns 406 are respectively fixed with the rotating shafts of the first gear 404 and the second gear 405, the two anti-slip sleeves 407 are respectively fixed on the outer sides of the two rotating columns 406, the guide rings 408 are fixed on the top of the mounting plate 312 and are positioned on the right side of the protecting shell 401, the third servo motor 409 is fixed on the bottom of the mounting plate 312, the rotating shafts of the third servo motor 409 are fixed with the rotating shafts of the first gear 404, the first lead roller 402 is fixed on the left end of the top of the mounting plate 312, the second lead roller 403 is fixed on the bottom plate 101, the bottom plate 101 can be matched with a cable between the conveying mechanism 4 and the mounting mechanism 2, the cable can be stretched out of the power supply, the power supply can be controlled by a user through the power supply, the power supply can be controlled by the power supply, the power can be stretched out by the power supply can be controlled by the power supply, the power supply can be widely and the power supply can be controlled by the power supply can be stretched by the workers through the power supply, the power supply can and the power supply can be well by the workers.

The working principle of the cable overhead laying auxiliary device is as follows:

firstly, the locking bolt 106 is dismounted, then the auxiliary plate 105 is rotated leftwards, the auxiliary plate 105 is attached to the ground, the cable drum is rolled onto the bottom plate 101 along the auxiliary plate 105, the first servo motor 210 is started, the bidirectional threaded rod 209 is driven to rotate, the two fixing rods 206 are driven to move reversely, the height of the connecting seat 203 is adjusted through the cooperation among the sliding seat 201, the connecting rod 202 and the connecting seat 203, the two supporting shafts 204 are respectively inserted onto the two sides of the cable drum, then the limiting pins 205 are inserted with the supporting shafts 204, the supporting shafts 204 are limited, the cable is wound around the first lead roller 402 and the second lead roller 403, the cable is placed between the two rotating columns 406, then the cable passes through the guide ring 408, the third servo motor 409 is started, the first gear 404 is driven to rotate, the first gear 404 and the second gear 405 are meshed and connected, the two rotating columns 406 are enabled to rotate oppositely, under the action of the anti-slip sleeve 407, a cable is pulled out of the cable drum, then the mounting frame mechanism 1 is pushed to move on the universal wheel 102, cable laying is conducted, the second servo motor 306 is started, the screw 308 is driven to rotate, the first hinge seat 302 is driven to move under the action of the connecting block 307, the mounting plate 312 is further enabled to rise, meanwhile, workers lift the mounting plate 312 on the inner side of the guardrail 5 on the mounting plate 312, when the proper position is reached, the workers tie the cable on the telegraph pole, then the mounting plate 312 is lowered, and the workers lay the cable after the workers fall.

The beneficial effects of the invention are as follows from the above embodiments:

the device is small and exquisite nimble, to cable reel simple to operate, need not the staff and manually spread the cable from the cable reel, need not the staff and carry the cable reel when laying, reduce staff's intensity of labour, can rise staff and cable simultaneously to the staff is taut to the cable, and construction convenience, the device adaptation topography is extensive simultaneously, and area is little, can both be suitable for the cable reel of different specifications, and the practicality is better.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a cable aerial laying auxiliary device, its characterized in that includes mounting bracket mechanism (1), install installation mechanism (2) and elevating system (3) on mounting bracket mechanism (1), install conveying mechanism (4) and guardrail (5) on elevating system (3), mounting bracket mechanism (1) include bottom plate (101), universal wheel (102), accessory plate (105) and locking bolt (106), four universal wheel (102) are all fixed at the bottom four ends of bottom plate (101), two sliding grooves (103) have been seted up at the top left end of bottom plate (101), two rotation grooves (104) have been seted up in the left side of bottom plate (101), accessory plate (105) swivelling joint is between two rotation grooves (104), two locking bolt (106) threaded connection are in the front side and the rear side of bottom plate (101) respectively and are located the left side of accessory plate (105), installation mechanism (2) include sliding seat (201), connecting rod (202), connecting seat (203), back shaft (204), spacing round pin (206), fixed block (207), two fixed block (210), two-way cable fixed block (210) and two-way cable (209), the four sliding seats (201) are respectively and slidably connected to the inner sides of the two sliding grooves (103), the two connecting seats (203) are respectively positioned above the two sliding grooves (103), one ends of the four connecting rods (202) are respectively hinged with the four sliding seats (201), the other ends of the four connecting rods (202) are respectively hinged with the two connecting seats (203), the two fixing rods (206) are respectively and slidably connected with the bottom of the bottom plate (101), the front end and the rear end of the two fixing rods (206) are respectively fixed with the four sliding seats (201), the two ends of the outer sides of the two threaded rods (209) are respectively and threadedly connected with the two fixing rods (206), the two ends of the two threaded rods (209) are respectively and rotatably connected with the first fixing block (207) and the second fixing block (208), the first fixing block (207) and the second fixing block (208) are respectively fixed with the bottom of the bottom plate (101), one end of the threaded rods (209) is fixed with a rotating shaft of a servo motor (210), the servo motor (210) is fixed at the bottom of the bottom plate (101), the two cable seats (203) are respectively connected with two supporting shafts (203) and two cable seats (203) are respectively connected with two plug-in a plug-in connection way, and two cable seats (203) are respectively connected with two cable seats (203) in a plug-in connection way, the conveying mechanism (4) comprises a protective shell (401), a wire guide roller I (402), a wire guide roller II (403), a gear I (404), a gear II (405), a rotating column (406), an anti-slip sleeve (407), a guide ring (408) and a servo motor III (409), wherein the protective shell (401) is fixed on the top of a mounting plate (312), the gear I (404) and the gear II (405) are connected with each other in an intermeshing manner, the gear I (404) and the gear II (405) are both rotationally connected with the top of the mounting plate (312), the rotating shafts of the gear I (404) and the gear II (405) are both positioned in the protective shell (401), the rotating shafts of the gear I (404) and the gear II (405) penetrate through the top of the protective shell (401) and are rotationally connected with the same, the bottoms of the two rotating columns (406) are respectively fixed with the rotating shafts of the gear I (404) and the gear II (405), the two sleeves (407) are respectively fixed on the outer sides of the two rotating columns (406), the guide ring (408) is fixed on the top of the mounting plate (312) and is rotationally connected with the top of the motor III (409) which is fixed on the bottom of the servo motor (312) which is fixed on the right side of the protective shell (401), the first wire guide roller (402) is fixed at the left end of the top of the mounting plate (312), and the second wire guide roller (403) is fixed on the bottom plate (101).

2. The cable overhead laying auxiliary device according to claim 1, wherein one end of the supporting shaft (204) and one end of the limiting pin (205) are both fixed with an arc-shaped handle, and an anti-slip sleeve is fixed on the outer side of the arc-shaped handle.

3. The cable overhead laying auxiliary device according to claim 1, wherein the two connection seats (203) are symmetrically distributed, the bottoms of the sliding seats (201) are in a T shape and penetrate through the sliding groove (103), and the supporting shafts (204) and the limiting pins (205) form an included angle of 90 degrees and are interlocked with each other.

4. The auxiliary device for cable overhead laying according to claim 1, wherein the lifting mechanism (3) comprises a first sliding frame (301), a first hinging seat (302), a second hinging seat (304), a third fixing block (305), a second servo motor (306), a connecting block (307), a screw (308), a second sliding frame (309), a third hinging seat (310), a fourth hinging seat (311) and a mounting plate (312), wherein the first sliding frame (301) is fixed on the top rear end of the bottom plate (101), the first hinging seat (302) is respectively and limitedly slidingly connected on the inner side of the first sliding frame (301), the second hinging seat (304) is fixed on the top front end of the bottom plate (101), the mounting plate (312) is positioned above the bottom plate (101), the second sliding frame (309) is fixed on the bottom rear end of the mounting plate (312), the third hinging seat (310) is respectively and limitedly slidingly connected on the inner side of the second sliding frame (309), the fourth hinging seat (311) is fixed on the bottom of the bottom plate (101), the first hinging seat (307) is hinged with the first hinging seat (307), the second hinging seat (310) is hinged with the first hinging seat (307) and the second hinging seat (310) is hinged with the second hinging seat (307) respectively, one end of the screw rod (308) penetrates through the connecting block (307) and is in threaded connection with the connecting block, the other end of the screw rod (308) penetrates through the fixing block III (305) and is in rotary connection with the fixing block III (305), the fixing block III (305) is fixed on the bottom plate (101), a rotating shaft of the servo motor II (306) is fixed with the screw rod (308), and the servo motor II (306) is fixed on the bottom plate (101).

5. The cable overhead laying auxiliary device according to claim 4, wherein the first hinge seat (302), the second hinge seat (304), the third hinge seat (310), the fourth hinge seat (311) and the folding bracket (303) are symmetrically distributed, and the folding bracket (303) is formed by hinging a plurality of rotating rods with each other.

6. The cable overhead laying auxiliary device according to claim 1, wherein the guard rail (5) is fixed at the top edge of the mounting plate (312), an anti-slip sleeve is sleeved on the outer side of the guard rail (5), a controller is mounted on the top front side of the bottom plate (101), and a transformer is mounted inside the controller.