CN113161923A

CN113161923A - Novel adjustable bridge cable laying system and laying method

Info

Publication number: CN113161923A
Application number: CN202110448878.1A
Authority: CN
Inventors: 龚伟; 文科; 彭运祥; 史希柱; 孙义
Original assignee: Hunan Huaxin Meihao Highway Environment Construction Co ltd
Current assignee: Hunan Huaxin Meihao Highway Environment Construction Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-07-23

Abstract

The application relates to the field of cable laying, in particular to a novel adjustable bridge cable laying system and a laying method, which comprises a paying-off assembly and a winch, wherein guide mechanisms are arranged between a bridge and the paying-off assembly and between the bridge and the winch; when cables are laid, the cable guiding device can guide paths before the cables enter the bridge frame and after the cables are led out of the bridge frame, so that scraping friction between the cables and the edge of the bridge frame is reduced, and the effect of reducing the damage rate of cable sheaths is achieved.

Description

Novel adjustable bridge cable laying system and laying method

Technical Field

The application relates to the field of cable laying, in particular to a novel adjustable bridge cable laying system and a laying method.

Background

The large number of projects in modern city construction increases year by year, so that the number of power distribution equipment used in the interior of a building increases, and the laying of large-scale cables in a bridge frame in a power supply and distribution system becomes a difficult point in construction.

In the related art, a constructor holds a cable on a cable drum to extend to a winch along a bridge, and then pulls and lays the cable by using the winch.

In view of the above related technologies, the applicant believes that when a cable enters and is led out of a bridge, the cable is scraped and rubbed with the edge of the bridge, and further the damage rate of the cable sheath is improved.

Disclosure of Invention

In order to reduce the rubbing friction between the cables and the edges of the bridge frame and further reduce the damage rate of cable sheaths, the application provides a novel adjustable type bridge frame cable laying system and a novel adjustable type bridge frame cable laying method.

The application provides a pair of novel regulation formula crane span structure cable laying system adopts following technical scheme:

a novel adjustable bridge cable laying system comprises a paying-off assembly for paying off a cable and a winch for pulling the cable to move in a bridge; and guide mechanisms for reducing friction between the cable and the edge of the bridge are arranged between the bridge and the pay-off assembly and between the bridge and the winch.

By adopting the technical scheme, when cables are laid, the guide mechanism can guide the paths of the cables before entering the bridge and after being led out of the bridge, so that the friction between the cables and the edges of the bridge in a scraping mode is reduced, and the effect of reducing the damage rate of cable sheaths is achieved.

Optionally, the guide mechanism comprises a hoisting assembly and a guide assembly, and the hoisting assembly comprises a support rod and a hoisting rod; the hoisting rod comprises a telescopic rod and a fixed rod used for being connected with a floor slab, the telescopic rod is in sliding fit with the fixed rod in the vertical direction, the telescopic rod is connected with the supporting rod, and the guide assembly is arranged on the supporting rod.

Through adopting above-mentioned technical scheme, when laying cable, through the cooperation of telescopic link and dead lever, can adjust the height of hoist and mount pole, and then adjust the height of direction subassembly, this helps more nimble adjusting the route point of cable.

Optionally, the guide assembly comprises a guide wheel and a guide rod, the guide wheel is sleeved on the support rod, and the guide rod is connected to the telescopic rod; the guide rod is sleeved with a guide sleeve, the guide sleeve is in running fit with the guide rod, and the outer wall of the cable is respectively abutted to the guide sleeve and the guide wheel.

By adopting the technical scheme, when the cable is laid, the guide sleeve is matched with the guide wheel, so that the stability of guiding the cable is improved, and the falling of the cable from the guide wheel is reduced; in addition, compare in the guide bar direct with the cable contact, sliding friction is changed into rolling friction to guide sleeve's design, and then helps keeping reducing the wearing and tearing to cable self under the prerequisite of leading to the cable.

Optionally, a connecting groove is formed in the telescopic rod, two ends of the guide rod extend into the connecting groove, and the guide rod and the connecting groove are in sliding fit in the vertical direction.

By adopting the technical scheme, before cables are laid, the design is favorable for conveniently adjusting the distance between the guide sleeve and the guide wheel, and further is favorable for the guide assembly to adapt to cables with different diameters; in addition, the design also helps constructors to adjust the pressure of the guide assembly on the cable to be within a proper interval, and further reduces the excessive extrusion on the cable.

Optionally, the guide wheel comprises a central sleeve, a bearing and a roller, which are sequentially sleeved from inside to outside, and the side wall of the inner ring of the bearing and the side wall of the outer ring of the bearing are respectively connected with the central sleeve and the roller; the central sleeve is sleeved on the support rod and is in sliding fit with the support rod.

Through adopting above-mentioned technical scheme, when needs lay many cables in proper order in the different positions department of crane span structure, the sliding fit of center sleeve and bracing piece helps the relative position of convenient adjustment leading wheel and crane span structure, and then reduces the intertwine between many cables and interferes.

Optionally, a plurality of groups of guide mechanisms are arranged between the bridge frame and the pay-off assembly and between the bridge frame and the winch.

By adopting the technical scheme, the arrangement of the plurality of groups of guide mechanisms is beneficial to carrying out multi-point bearing on the cable and relieving the pressure of a single guide mechanism; in addition, when the height of the cable changes, the design of the multiple groups of guide mechanisms is also beneficial to enabling the track trend of the cable to be more stable and smooth.

Optionally, the paying-off assembly comprises a cable drum and a rotary base, the rotary base comprises a rotary disk and a chassis placed on the ground, the rotary disk is in running fit with the chassis, and the cable drum is arranged on the rotary disk.

Through adopting above-mentioned technical scheme, when the extending direction of cable and cable drum had certain angle, because rotary disk and chassis normal running fit, consequently under the effort of cable, rotary disk and chassis can carry out self-service correction, and then help improving the smooth and easy nature of cable unwrapping wire.

Optionally, a hoisting frame is arranged between the bridge frame and the floor slab, and the hoisting frame is respectively connected with the bridge frame and the floor slab; the bridge comprises a straight bridge and a bent bridge arranged at the corner, and both ends of the bent bridge are fixedly connected with the straight bridge; be provided with turning drive assembly on the crane span structure of buckling, turning drive assembly includes motor and guide roller, motor and the crane span structure fixed connection of buckling, and guide roller cover establishes on the drive shaft that the motor stretches out, and the cable walks around guide roller when buckling the crane span structure.

Through adopting above-mentioned technical scheme, when the cable passes through the bending bridge frame of corner, corner drive assembly not only helps leading to the cable, reduces the wearing and tearing of cable and bending bridge frame, still helps providing power for the cable in the motion way, slows down the local pulling force that the cable received.

Optionally, a connecting rope is wound on a turntable of the winch, and the weight of the connecting rope in unit length is smaller than that of the cable; a connecting ring is arranged between the connecting rope and the cable, and the connecting rope and the cable simultaneously extend into the connecting ring and are connected with the connecting ring.

Through adopting above-mentioned technical scheme, after constructor pulled the connection rope and passed through the crane span structure with the orbit direction that is opposite to the cable, the go-between can be connected the connection rope with the cable, because connection rope weight is less than the cable, consequently compare in constructor pulls the cable and pass through the crane span structure, connects the work burden that the rope more helped alleviateing constructor, has reached more laborsaving effect.

On the other hand, the application provides a novel adjustable bridge cable laying method, which comprises the following steps:

s1, bridge mounting: firstly, embedding bolts at a specified place of a floor slab, then fixing a hoisting frame on the floor slab through the embedded bolts, then placing a bridge frame on the hoisting frame, and welding and fixing the bridge frame and the hoisting frame;

s2, installing a guide mechanism: embedding bolts on the floor close to the inlet and outlet area of the bridge, and then fixing the hoisting rod on the floor through the embedded bolts so as to finish the fixation of the guide mechanism and the floor;

s3, equipment arrangement and adjustment: firstly, primarily adjusting the height of a hoisting rod and the position of a guide wheel on a support rod, then installing a corner driving assembly on a bent bridge, and then arranging a wire releasing assembly and a winch at a specified place and checking;

s4, traction connecting rope: a constructor holds the connecting rope to extend out of the winch and extends to the pay-off assembly along the bridge;

s5, connecting the cable and the connecting rope: when the connecting rope is close to the pay-off assembly, an operator connects the connecting rope with the cable through the connecting ring;

s6, cabling: and starting the winch, driving the connecting rope to move at the moment, and driving the cable to pass through the bridge frame along a preset track path by the connecting rope so as to finish the laying of the cable.

In summary, the present application includes at least one of the following beneficial technical effects:

1. due to the arrangement of the guide mechanism, the scraping and rubbing friction between the cable and the edge of the bridge frame can be reduced, and the effect of reducing the damage rate of the cable sheath is achieved;

2. the corner driving assembly is arranged, so that the cable can be guided at the corner, and the power can be provided for the cable in the moving process, and the effect of further improving the moving stability of the cable is achieved;

3. the connecting rings are arranged to connect the cables with the connecting ropes, so that the cable laying method is supported, and the labor burden of construction personnel is reduced.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a side view aimed at showing the relative position of the bridge and the floor.

Fig. 3 is a partial schematic view intended to show the pay-off assembly.

Fig. 4 is a partial schematic view intended to show the guide mechanism.

Fig. 5 is a partial schematic view intended to show the guide wheel.

Fig. 6 is a partial schematic view intended to show a bending bridge.

Fig. 7 is a partial schematic view intended to show a corner drive assembly.

Fig. 8 is a partial schematic view intended to show a hoist.

Fig. 9 is an enlarged view of a portion a in fig. 8.

Description of reference numerals: 1. a floor slab; 2. a bridge frame; 21. a straight bridge frame; 22. bending the bridge frame; 23. a hoisting frame; 3. a pay-off assembly; 31. a cable spool; 32. rotating the base; 321. a chassis; 3211. a groove; 3212. a universal wheel; 322. rotating the disc; 4. a guide mechanism; 41. hoisting the assembly; 411. hoisting the rod; 4111. fixing the rod; 4112. a telescopic rod; 4113. fastening a bolt; 4114. connecting grooves; 412. a support bar; 4121. fastening a nut; 42. a guide assembly; 421. a guide wheel; 4211. a roller; 4212. a bearing; 4213. a central sleeve; 422. a guide bar; 4221. a guide sleeve; 5. a winch; 51. connecting ropes; 6. a corner drive assembly; 61. a motor; 62. a guide roller; 7. a connecting ring; 71. arc sheets; 8. an electrical cable.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

The embodiment of the application discloses novel regulation formula crane span structure cable laying system.

Referring to fig. 1 and 2, a novel adjustable bridge cable laying system comprises a paying-off assembly 3 and a winch 5 for pulling a cable 8 to move in a bridge 2, wherein guide mechanisms 4 are arranged on the paying-off assembly 3 and the winch 5 towards the bridge 2; when the cable 8 is laid, the cable 8 is led out from the pay-off assembly 3, then passes through the guide mechanism 4 close to the pay-off assembly 3, then the cable 8 sequentially passes through the bridge frame 2 and the guide mechanism 4 close to the winch 5, and finally reaches the winch 5; when the cable 8 in the pay-off assembly 3 is completely led out, the laying of the cable 8 is completed.

Referring to fig. 3, the paying-off assembly 3 includes a cable drum 31 and a rotary base 32, the rotary base 32 includes a rotary disk 322 and a chassis 321, the chassis 321 is horizontally disposed, and a universal wheel 3212 is rotatably connected to a lower surface of the chassis 321; prior to laying the cable 8, the constructor places the payout assembly 3 near the start of the bridge 2 and secures the universal wheels 3212 to the ground in preparation for the subsequent payout of the cable 8.

Referring to fig. 3, a groove 3211 is formed in the upper surface of the chassis 321, the rotating disc 322 is disposed in the groove 3211, the rotating disc 322 is rotatably connected to the groove 3211, and the rotating axis of the rotating disc 322 is along the vertical center line of the chassis 321; the cable drum 31 is erected on the rotating disc 322, and the rotating axis of the cable drum 31 is horizontal; when carrying out cable 8 and laying, cable 8 is derived from cable drum 31, and cable 8 drives rotary disk 322 this moment and corrects by oneself to make cable drum 31's quotation be on a parallel with cable 8 extending direction, and then improve cable 8's the smooth and easy degree of unwrapping wire.

Referring to fig. 2 and 4, a plurality of groups of guide mechanisms 4 are arranged between the pay-off assembly 3 and the bridge frame 2 and between the winch 5 and the bridge frame 2, so as to improve the stability of the cable 8 during guiding; the guide mechanism 4 comprises a guide assembly 42 and a hoisting assembly 41 connected with the floor slab 1, wherein the guide assembly 42 is arranged on the hoisting assembly 41; the hoisting assemblies 41 comprise supporting rods 412 and hoisting rods 411, two hoisting rods 411 are arranged in each group of hoisting assemblies 41, and the two hoisting rods 411 are vertically arranged; the support bar 412 is horizontally arranged, and the support bar 412 is arranged between the two hoisting bars 411; during the laying of the cable 8, the hoisting assembly 41 supports the guiding assembly 42, thereby facilitating the stable laying of the cable 8.

Referring to fig. 2 and 4, the hoisting rod 411 comprises an expansion rod 4112 and a fixing rod 4111, the fixing rod 4111 is vertically arranged, and the top end of the fixing rod 4111 is fixedly connected with the floor slab 1 through an embedded bolt; the telescopic rod 4112 is vertically arranged, the telescopic rod 4112 extends into the fixing rod 4111 from the lower part of the fixing rod 4111 and is in sliding connection with the fixing rod 4111, and the relative sliding direction of the telescopic rod 4112 and the fixing rod 4111 is along the vertical direction; a fastening bolt 4113 is arranged between the fixing rod 4111 and the telescopic rod 4112, the fastening bolt 4113 extends into the fixing rod 4111 from the outer side of the fixing rod 4111 and abuts against the outer wall of the telescopic rod 4112; before cable 8 lays, operating personnel carries out relative slip to telescopic link 4112 and dead lever 4111, and then adjusts the height of hoist and mount pole 411 bottom.

Referring to fig. 4, two ends of the supporting rod 412 are provided with threads, and both ends of the supporting rod 412 penetrate through the telescopic rod 4112; a fastening nut 4121 is arranged between the support rod 412 and each telescopic rod 4112, the fastening nut 4121 is in threaded connection with the support rod 412, and the fastening nut 4121 is located on one side of each telescopic rod 4112 opposite to each other; when assembling the hoisting assembly 41, the constructor passes the support rod 412 through the telescopic rod 4112 and then fixes the support rod by the fastening nut 4121.

Referring to fig. 4 and 5, the guiding assembly 42 includes a guiding wheel 421 and a guiding rod 422, wherein the guiding wheel 421 is sleeved on the supporting rod 412; a plurality of guide wheels 421 are arranged on each support rod 412, each guide wheel 421 comprises a central sleeve 4213, a bearing 4212 and a roller 4211 which are sleeved from inside to outside, and the inner ring side wall and the outer ring side wall of each bearing 4212 are respectively connected with the central sleeve 4213 and the roller 4211; the central sleeve 4213 is sleeved on the support rod 412, and the central sleeve 4213 is in sliding fit with the support rod 412 in the horizontal direction; a fastening bolt 4113 is also arranged between the central sleeve 4213 and the support rod 412, and the fastening bolt 4113 penetrates through the outer wall of the central sleeve 4213 and then abuts against the support rod 412; in the installation process of the guide assembly 42, a constructor firstly sleeves the guide wheel 421 on the support rod 412, then completely fixes the positions of the support rod 412 and the hoisting rod 411, and then specifically adjusts the position of the guide wheel 421.

Referring to fig. 5, connecting grooves 4114 are formed in the telescopic rods 4112 which are opposite to each other, and openings of the connecting grooves 4114 extend in the vertical direction; the guide rod 422 is horizontally arranged, the outer wall of the guide rod 422 close to the two ends of the guide rod 422 is provided with threads, the two ends of the guide rod 422 penetrate through the connecting groove 4114, the guide rod 422 is in sliding connection with the connecting groove 4114 in the vertical direction, and the guide rod 422 and the telescopic rod 4112 are also fixed through a fastening nut 4121; a guide sleeve 4221 is sleeved on the outer peripheral surface of the guide rod 422, and the guide sleeve 4221 is in rotating fit with the guide rod 422; when the cable 8 is laid, the outer wall of the cable 8 abuts against the outer peripheral surface of the roller 4211 and the outer wall of the guide sleeve 4221, and the roller 4211 and the guide sleeve 4221 guide the cable 8 together.

Referring to fig. 2 and 6, a hoisting frame 23 is arranged between the bridge frame 2 and the floor slab 1, the hoisting frame 23 is in a U-shaped bent shape, and two ends of the hoisting frame 23 are connected with the floor slab 1 through embedded bolts; the bridge frame 2 is horizontally placed on the hoisting frame 23, and the bridge frame 2 is welded with the hoisting frame 23; the bridge frame 2 comprises a straight bridge frame 21 and a bent bridge frame 22 arranged at the corner, and two ends of the bent bridge frame 22 are fixed with the straight bridge frame 21; during the laying of the cable 8, the bent bridge 22 is matched with the straight bridge 21 to adjust the direction of the cable 8.

Referring to fig. 6 and 7, a plurality of corner driving assemblies 6 are arranged on the bending bridge 22, and the corner driving assemblies 6 are arranged at positions of the bending bridge 22 close to two ends of the bending bridge; the corner driving assembly 6 comprises a motor 61 and a guide roller 62, the motor 61 is fixedly connected to the lower surface of the bent bridge frame 22, a driving shaft extending out of the motor 61 vertically and upwardly penetrates through the bent bridge frame 22, and the guide roller 62 is fixedly sleeved on the driving shaft; when the cable 8 passes through the bending bridge 22, the cable 8 passes through the guide rollers 62 close to different ends of the bending bridge 22 in sequence, and at this time, the guide rollers 62 guide the cable 8 and provide certain power for the cable 8 under the driving of the motor 61.

Referring to fig. 8 and 9, a connection rope 51 is wound on the turntable of the winding machine 5, and the weight of the connection rope 51 per unit length is smaller than that of the cable 8; a connecting ring 7 is arranged between the connecting rope 51 and the cable 8, the connecting rope 51 and the cable 8 simultaneously extend into the connecting ring 7, and the inner diameter of the connecting ring 7 is respectively adapted to the connecting rope 51 and the cable 8; the connecting ring 7 comprises two arc sheets 71 which are buckled with each other, and the arc sheets 71 are connected through bolts; when connecting the cable 8 and the connection cord 51, the constructor puts the ends of the cable 8 and the connection cord 51 into the concave surface of the arc piece 71, and then fastens the cable 8 and the connection cord 51 by bolts.

The embodiment of the application also discloses a novel adjustable bridge cable laying method, which comprises the following steps:

s1, mounting the bridge frame 2: firstly, embedding bolts at a specified place of a floor slab 1, then fixing a hoisting frame 23 on the floor slab 1 through the embedded bolts, then placing a bridge frame 2 on the hoisting frame 23, welding and fixing the bridge frame 2 and the hoisting frame 23, arranging a bent bridge frame 22 at a corner by a constructor, and welding two ends of the bent bridge frame 22 and a straight bridge frame 21;

s2, installing the guide mechanism 4: bolts are pre-embedded on the floor slab 1 close to the inlet and outlet areas of the bridge frame 2, and then the hoisting rod 411 is fixed on the floor slab 1 through the pre-embedded bolts, so that the fixing of the guide mechanism 4 and the floor slab 1 is completed;

s3, equipment arrangement and adjustment: firstly, the height of the hoisting rod 411 and the position of the guide wheel 421 on the supporting rod 412 are preliminarily adjusted, then the corner driving assembly 6 is installed on the bending bridge frame 22, and then the paying-off assembly 3 and the winch 5 are arranged at a designated place and checked;

s4, traction connecting rope 51: the constructor holds the connecting rope 51 to extend out of the winch 5 and extends to the pay-off assembly 3 along the bridge frame 2;

s5, connecting cable 8 and connecting cord 51: when the connecting rope 51 approaches the pay-off assembly 3, the operator connects the connecting rope 51 with the cable 8 through the connecting ring 7;

s6, cable laying 8: and starting the winch 5, wherein the winch 5 drives the connecting rope 51 to move, and the connecting rope 51 drives the cable 8 to pass through the bridge frame 2 along a preset track path, so that the cable 8 is laid.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A novel adjustable bridge cable laying system comprises a paying-off assembly (3) for paying off a cable (8) and a winch (5) for pulling the cable (8) to move in a bridge (2); the method is characterized in that: and guide mechanisms (4) for reducing friction between the cable (8) and the edge of the bridge (2) are arranged between the bridge (2) and the pay-off assembly (3) and between the bridge (2) and the winch (5).

2. The adjustable bridge cabling system of claim 1, wherein: the guide mechanism (4) comprises a hoisting assembly (41) and a guide assembly (42), and the hoisting assembly (41) comprises a support rod (412) and a hoisting rod (411); hoist and mount pole (411) include telescopic link (4112) and be used for dead lever (4111) that is connected with floor (1), and telescopic link (4112) and dead lever (4111) are in vertical direction sliding fit, and telescopic link (4112) are connected with bracing piece (412), and direction subassembly (42) set up on bracing piece (412).

3. The adjustable bridge cabling system of claim 2, wherein: the guide assembly (42) comprises a guide wheel (421) and a guide rod (422), the guide wheel (421) is sleeved on the support rod (412), and the guide rod (422) is connected to the telescopic rod (4112); the guide rod (422) is sleeved with a guide sleeve (4221), the guide sleeve (4221) is in running fit with the guide rod (422), and the outer wall of the cable (8) is respectively abutted to the guide sleeve (4221) and the guide wheel (421).

4. The adjustable bridge cabling system of claim 3, wherein: connecting groove (4114) has been seted up on telescopic link (4112), and the both ends of guide bar (422) stretch into connecting groove (4114) in, and guide bar (422) and connecting groove (4114) are in vertical direction sliding fit.

5. The adjustable bridge cabling system of claim 3, wherein: the guide wheel (421) comprises a central sleeve (4213), a bearing (4212) and a roller (4211) which are sleeved from inside to outside in sequence, and the side wall of an inner ring and the side wall of an outer ring of the bearing (4212) are respectively connected with the central sleeve (4213) and the roller (4211); the central sleeve (4213) is sleeved on the support rod (412), and the central sleeve (4213) is in sliding fit with the support rod (412).

6. The adjustable bridge cabling system of claim 2, wherein: and a plurality of groups of guide mechanisms (4) are arranged between the bridge (2) and the pay-off assembly (3) and between the bridge (2) and the winch (5).

7. The adjustable bridge cabling system of claim 1, wherein: unwrapping wire subassembly (3) include cable drum (31) and rotating base (32), and rotating base (32) include rotary disk (322) and place in subaerial chassis (321), rotary disk (322) and chassis (321) normal running fit, and cable drum (31) set up on rotary disk (322).

8. The adjustable bridge cabling system of claim 1, wherein: a hoisting frame (23) is arranged between the bridge (2) and the floor (1), and the hoisting frame (23) is respectively connected with the bridge (2) and the floor (1); the bridge (2) comprises a straight bridge (21) and a bent bridge (22) arranged at the corner, and two ends of the bent bridge (22) are fixedly connected with the straight bridge (21); be provided with corner drive assembly (6) on the crane span structure (22) of buckling, corner drive assembly (6) include motor (61) and guide roller (62), motor (61) and crane span structure (22) fixed connection of buckling, and guide roller (62) cover is established on the drive shaft that motor (61) stretched out, and guide roller (62) are walked around to cable (8) when bending crane span structure (22).

9. The adjustable bridge cabling system of claim 1, wherein: a connecting rope (51) is wound on a turntable of the winch (5), and the weight of the connecting rope (51) in unit length is less than that of the cable (8); a connecting ring (7) is arranged between the connecting rope (51) and the cable (8), and the connecting rope (51) and the cable (8) simultaneously extend into the connecting ring (7) and are connected with the connecting ring (7).

10. A novel adjustable bridge cable laying method is characterized by comprising the following steps:

s1, mounting the bridge (2): firstly, embedding bolts in a designated place of a floor slab (1), then fixing a hoisting frame (23) on the floor slab (1) through the embedded bolts, then placing a bridge frame (2) on the hoisting frame (23), and welding and fixing the bridge frame (2) and the hoisting frame (23);

s2, installing a guide mechanism (4): bolts are pre-embedded on the floor (1) close to the in-out area of the bridge (2), and then the hoisting rod (411) is fixed on the floor (1) through the pre-embedded bolts, so that the fixing of the guide mechanism (4) and the floor (1) is completed;

s3, equipment arrangement and adjustment: firstly, primarily adjusting the height of a hoisting rod (411) and the position of a guide wheel (421) on a support rod (412), then installing a corner driving assembly (6) on a bent bridge (22), and then arranging a wire releasing assembly (3) and a winch (5) at a designated place and checking;

s4, traction connecting rope (51): a constructor holds the connecting rope (51) to extend out of the winch (5) and extend to the wire laying assembly (3) along the bridge (2);

s5, connecting cable (8) and connecting rope (51): when the connecting rope (51) is close to the pay-off assembly (3), an operator connects the connecting rope (51) with the cable (8) through the connecting ring (7);

s6, cabling (8): and starting the winch (5), driving the connecting rope (51) to move by the winch (5), driving the cable (8) to pass through the bridge (2) along a preset track path by the connecting rope (51), and further finishing the laying of the cable (8).