CN114614415A

CN114614415A - Cable bridge convenient to angle of adjustment

Info

Publication number: CN114614415A
Application number: CN202210395412.4A
Authority: CN
Inventors: 夏光旭; 袁坤
Original assignee: Jiangsu Delute Electrical Equipment Co ltd
Current assignee: Jiangsu Delute Electrical Equipment Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-06-10

Abstract

The invention discloses a cable bridge convenient for angle adjustment, and relates to the technical field of cable bridges, and the cable bridge comprises a bridge main body, wherein a control box is arranged on one side of the bridge main body; the suspension mechanism is used for suspending and supporting the bridge main body; the traction mechanism is used for traction operation when the bridge frame main body is installed and disassembled; the two sides of the bridge frame main body are both provided with angle adjusting mechanisms; the angle adjusting mechanism comprises a rotating box and a rotating shaft, the two sides of the rotating box are both connected with the rotating shaft, the rotating shaft penetrates through the two sides of the bridge main body, one of the rotating shafts is coaxially connected with a first gear, a limiting sleeve is connected onto the bridge main body, a limiting rod piece is inserted into the limiting sleeve, a second gear is sleeved on the limiting rod piece, and a first spring is sleeved on the limiting rod piece. According to the invention, through the arranged angle adjusting mechanism, when the bridge main body needs to be installed at a corner, simple, convenient and quick adjusting operation can be carried out on two sides of the bridge main body, the operation mode is simple, the adjusting efficiency is high, the practicability is strong, and the labor intensity is effectively reduced.

Description

Cable bridge convenient to angle of adjustment

Technical Field

The invention relates to the technical field of cable bridges, in particular to a cable bridge convenient for angle adjustment.

Background

The cable bridge is divided into structures such as a groove type structure, a tray type structure, a ladder type structure and a grid type structure, and consists of a support, a supporting arm, an installation accessory and the like, the bridge in the building can be independently erected and also can be laid on various buildings and pipe gallery supports, and the characteristics of simple structure, attractive appearance, flexible configuration, convenience in maintenance and the like are reflected.

The existing cable bridge has the following defects:

1. the crane span structure is when the installation is arranged, often need carry out the corner, and present crane span structure is weak in the aspect of corner is adjusted, uses mode such as screw and screw rod mostly to adjust, and the workman need carry a large amount of instruments and install the regulation, adjusts complex operation and inefficiency.

2. In the in-service use process, need install electronic box or control box on the cable testing bridge, this makes the cable testing bridge bear weight great, when operations such as installation or maintenance change control box, not only intensity of labour is big, inefficiency has serious potential safety hazard moreover.

Disclosure of Invention

Aiming at the problems, the invention provides a cable bridge convenient for angle adjustment, which solves the problems that the corner of the existing cable bridge is inconvenient to adjust, and the control box is high in labor intensity, low in efficiency and serious in potential safety hazard when being installed or maintained and replaced.

The technical scheme for solving the technical problems is as follows: a cable bridge convenient for angle adjustment comprises a bridge main body, wherein a control box is arranged on one side of the bridge main body, and a heat dissipation mechanism is arranged on the other side of the bridge main body; the suspension mechanism is used for suspending and supporting the bridge main body; the traction mechanism is used for traction operation when the bridge frame main body is installed and disassembled; the two sides of the bridge frame main body are both provided with angle adjusting mechanisms; the angle adjusting mechanism comprises a rotating box and a rotating shaft, the two sides of the rotating box are connected with the rotating shaft, the rotating shaft penetrates through the two sides of the bridge main body, the rotating shaft is connected with the bridge main body in a rotating mode, one rotating shaft is coaxially connected with a first gear, one side, close to the first gear, of the bridge main body is connected with a limiting sleeve, a limiting rod piece is inserted into the limiting sleeve, the limiting rod piece is movably connected with the limiting sleeve, a knob is connected after the limiting rod piece penetrates through the bridge main body, a second gear meshed with the first gear is sleeved on the limiting rod piece, the limiting rod piece is connected with the second gear in a sliding mode, a first spring is sleeved on the limiting rod piece, and the first spring is located between the knob and the second gear.

Further, hang the mechanism and include fixed plate and a plurality of jib, the fixed plate downside is connected with a plurality of jibs, has seted up a plurality of locating holes on the jib, is connected with a plurality of fixing bases in the crane span structure main part, and the crane span structure main part can be dismantled with the jib through a plurality of fixing bases and be connected.

Furthermore, the traction mechanism comprises a right-angle seat and a rotating column, a clamping sliding block is connected to the lower side of the fixed plate, a clamping groove is formed in the right-angle seat, the right-angle seat is detachably connected with the clamping sliding block through the clamping groove, the rotating column penetrates through the right-angle seat and is rotatably connected with the right-angle seat, a rocker is connected to one end of the rotating column, a rotating roller is coaxially connected to the other end of the rotating column, a lifting rope is wound on the rotating roller, a lifting ring is connected to the upper side of the bridge frame main body and is detachably connected with the bridge frame main body through the lifting ring, and a locking mechanism is arranged on the rotating column and used for one-way locking operation of the rotating roller; the rotating column is provided with a speed control mechanism for controlling the release speed of the lifting rope.

Further, locking mechanism includes ratchet and a lock section of thick bamboo, ratchet and rotation post coaxial coupling, and a lock section of thick bamboo is connected with the right angle seat, and sliding connection has the pawl with ratchet meshing in a lock section of thick bamboo, and lock section of thick bamboo interpolation is equipped with slide bar and both swing joint, and the slide bar upper end is rotated with the pawl and is connected, and the cover is equipped with the second spring on the slide bar, and the second spring is located a lock section of thick bamboo, and the locked groove has been seted up to a lock section of thick bamboo one side, and sliding connection has the locking lever in the locked groove, locking lever one end and slide bar lateral wall fixed connection.

Furthermore, the speed control mechanism comprises a rotating ring and a third spring, the rotating ring is sleeved with the rotating ring, the rotating ring and the rotating ring are rotatably connected, a pressing rod is connected onto the rotating ring, pull rods are connected to two sides of the rotating ring, the pull rods are hinged to a connecting rod, brake pieces are arranged on two sides of the rotating ring, one ends of the brake pieces are hinged to the connecting rod, the other ends of the brake pieces are hinged to the right-angle seat, a brake wheel matched with the brake pieces is sleeved on the rotating column, the rotating column is fixedly connected with the brake wheel, one end of the third spring is connected with one of the pull rods, and the other end of the third spring is connected with the right-angle seat.

Further, heat dissipation mechanism is including heat dissipation cover and hinge, and heat dissipation cover both sides all articulate there is the hinge, and two hinges are installed respectively in the both sides of crane span structure main part, and both sides all are provided with a plurality of hinge bars about two hinges, a plurality of hinge bar parallel arrangement, and the hinge bar both ends are articulated with two hinges respectively.

The invention has the beneficial effects that:

(1) according to the invention, through the arranged angle adjusting mechanism, when the bridge main body needs to be turned, simple and rapid adjusting operation can be carried out on the two sides of the bridge main body, the operation mode is simple, the adjusting efficiency is high, the practicability is strong, and the labor intensity is effectively reduced.

(2) The traction mechanism is arranged on the crane span structure main body, and the traction mechanism is arranged on the crane span structure main body and is used for stably supporting the crane span structure main body provided with the control box, so that the stability of the crane span structure main body is improved, the phenomenon that the crane span structure main body falls off and loosens due to overlarge stress is prevented, the control box and the crane span structure main body can be stably lifted when the control box is installed or maintained and replaced, the labor intensity is reduced, the installation and maintenance efficiency is improved, and the potential safety hazard is reduced.

(3) The speed control mechanism can control the descending speed of the lifting rope, so that potential safety hazards caused by the fact that the bridge frame main body and the control box descend too fast are prevented, and the safety performance of the crane is further improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a first schematic view of the angle adjustment mechanism of the present invention.

Fig. 3 is a schematic view of the structure of the rotating box of the present invention.

Fig. 4 is a schematic position diagram of the stop collar of the present invention.

Fig. 5 is a schematic view of an angle adjustment mechanism according to the present invention.

Fig. 6 is a schematic structural view of the limiting rod of the present invention.

Fig. 7 is a schematic view of the structure of the stop collar of the present invention.

Fig. 8 is a schematic view of a heat dissipation mechanism according to the present invention.

Fig. 9 is a schematic view of the traction mechanism of the present invention.

Fig. 10 is a schematic view of the locking mechanism of the present invention.

Fig. 11 is a schematic view of the internal structure of the lock cylinder of the present invention.

FIG. 12 is a schematic view of the speed control mechanism of the present invention.

Reference numerals are as follows: 1. a bridge frame body; 2. a control box; 3. a heat dissipation mechanism; 31. a heat dissipation cover; 32. a hinge; 33. a hinged lever; 4. a suspension mechanism; 41. a fixing plate; 42. a boom; 43. positioning holes; 44. a fixed seat; 5. a traction mechanism; 51. a right-angle seat; 52. rotating the column; 53. clamping the sliding block; 54. a clamping groove; 55. a rocker; 56. a rotating roller; 57. a lifting rope; 58. a hoisting ring; 6. an angle adjusting mechanism; 61. rotating the cassette; 62. a rotating shaft; 63. a first gear; 64. a position limiting sleeve; 65. a limiting rod piece; 66. a knob; 67. a second gear; 68. a first spring; 7. a locking mechanism; 71. a ratchet wheel; 72. a lock cylinder; 73. a pawl; 74. a slide bar; 75. a second spring; 76. locking the groove; 77. a lock lever; 8. a speed control mechanism; 81. a rotating ring; 82. a third spring; 83. a pressure lever; 84. a pull rod; 85. a connecting rod; 86. a brake pad; 87. and a brake wheel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, the cable bridge convenient for angle adjustment provided by this embodiment includes a bridge main body 1, a control box 2 is disposed on one side of the bridge main body 1, a heat dissipation mechanism 3 is disposed on the other side of the bridge main body 1, a large number of electronic devices are disposed in the control box 2, and the heat dissipation mechanism 3 can perform effective heat dissipation processing on the control box 2 and the bridge main body 1 at the position; the suspension mechanism 4 is used for suspending and supporting the bridge main body 1; the traction mechanism 5 is used for traction operation during installation and disassembly of the bridge frame main body 1, and further improves the stability of the bridge frame main body 1 and the control box 2; the two sides of the bridge frame main body 1 are both provided with angle adjusting mechanisms 6.

As shown in fig. 1, 2, 3, 4, 5, 6, and 7, the angle adjusting mechanism 6 includes a rotating box 61 and a rotating shaft 62, both sides of the rotating box 61 are connected with the rotating shaft 62, the rotating shaft 62 penetrates both sides of the bridge body 1, the rotating shaft 62 is rotatably connected with the bridge body 1, the rotating box 61 can rotate relative to the bridge body 1 through the rotating shaft 62, when a corner needs to be turned, only the angle of the rotating box 61 needs to be adjusted, one of the rotating shafts 62 is coaxially connected with a first gear 63, one side of the bridge body 1 close to the first gear 63 is connected with a limiting sleeve 64, a limiting rod 65 is inserted into the limiting sleeve 64, the limiting rod 65 is movably connected with the limiting sleeve 64, a knob 66 is connected after penetrating the limiting rod 65 through the bridge body 1, a second gear 67 meshed with the first gear 63 is sleeved on the limiting rod 65, the limiting rod 65 is slidably connected with the second gear 67, the limiting rod 65 is sleeved with a first spring 68, the first spring 68 is positioned between the knob 66 and the second gear 67, the limiting sleeve 64 limits the limiting rod 65, when angle adjustment is not needed, the rotation of the limiting rod 65 is limited, and further the rotation of the rotating box 61 is limited, in the embodiment, one end of the limiting sleeve 64 is provided with an internal spline, the limiting rod 65 is composed of a section of common shaft with two ends connected with two spline shafts, the second gear 67 is sleeved on one section of spline shaft, the spline shaft of the limiting rod 65 is separated from the internal spline of the limiting sleeve 64 by pressing the knob 66 upwards, at the moment, the limiting rod 65 can rotate, the limiting rod 65 is rotated to drive the second gear 67 to rotate, and further the first gear 63 is driven to rotate, the angle adjustment operation of the rotating box 61 is realized, compared with the traditional operation of needing a large number of tools to adjust the angle, the operation is simple and convenient, the practicality is strong, effectively reduces intensity of labour's advantage.

As shown in fig. 1, 4, and 8, the suspension mechanism 4 includes a fixing plate 41 and a plurality of hanging rods 42, the fixing plate 41 is fixedly mounted on the ceiling, the lower side of the fixing plate 41 is connected with the plurality of hanging rods 42, the hanging rods 42 are provided with a plurality of positioning holes 43, the bridge body 1 is connected with a plurality of fixing seats 44, the bridge body 1 is detachably connected with the hanging rods 42 through the plurality of fixing seats 44, the number of the hanging rods 42 is eight in this embodiment, the fixing seats 44 are connected with the positioning holes 43 through common screws, and the position of the bridge body 1 can be adjusted according to requirements.

As shown in fig. 1, 8 and 9, the traction mechanism 5 includes a right-angle seat 51 and a rotating column 52, a clamping slider 53 is connected to the lower side of the fixing plate 41, a clamping groove 54 is formed in the right-angle seat 51, the right-angle seat 51 is detachably connected to the clamping slider 53 through the clamping groove 54, the clamping slider 53 and the clamping groove 54 are conveniently arranged to facilitate the installation and quick detachment of the right-angle seat 51, the rotating column 52 penetrates through the right-angle seat 51 and is rotatably connected with the same, one end of the rotating column 52 is connected with a rocker 55, the other end of the rotating column 52 is coaxially connected with a rotating roller 56, a lifting rope 57 is wound on the rotating roller 56, the upper side of the bridge main body 1 is connected with a lifting ring 58, the lifting rope 57 is detachably connected with the bridge main body 1 through the lifting ring 58, and the rotating column 52 is provided with a locking mechanism 7 for one-way locking operation of the rotating roller 56; the rotating column 52 is provided with a speed control mechanism 8 for controlling the release speed of the lifting rope 57.

As shown in fig. 1, 8, 9, 10, and 11, the locking mechanism 7 includes a ratchet 71 and a lock cylinder 72, the ratchet 71 is coaxially connected with the rotating column 52, the lock cylinder 72 is connected with the right-angle seat 51, a pawl 73 engaged with the ratchet 71 is slidably connected in the lock cylinder 72, a sliding rod 74 is inserted in the lock cylinder 72 and movably connected with the lock cylinder 72, the sliding rod 74 and the lock cylinder 72 can slide relatively and rotate relatively, the upper end of the sliding rod 74 is rotatably connected with the pawl 73, a second spring 75 is sleeved on the sliding rod 74, the second spring 75 is located in the lock cylinder 72, a lock groove 76 is formed in one side of the lock cylinder 72, a lock rod 77 is slidably connected in the lock groove 76, and one end of the lock rod 77 is fixedly connected with a side wall of the sliding rod 74.

As shown in fig. 1, 8, 9, 10, 11, 12, the speed control mechanism 8 includes a rotating ring 81 and a third spring 82, the rotating column 52 is sleeved with the rotating ring 81 and is rotatably connected with the rotating ring 81, the rotating ring 81 is connected with a press rod 83, both sides of the rotating ring 81 are connected with pull rods 84, the pull rods 84 are hinged with a connecting rod 85, both sides of the rotating ring 81 are provided with brake pads 86, one end of each brake pad 86 is hinged with the connecting rod 85, the other end of each brake pad 86 is hinged with the right-angle seat 51, the rotating column 52 is sleeved with a brake wheel 87 matched with the brake pads 86, in this embodiment, the brake pads 86 are arc-shaped and can be better attached to the brake wheels 87, the brake wheels 87 have a large friction force when contacting the brake pads 86, have a good braking effect on the rotating roller 56 to reduce the rotating speed thereof, the rotating column 52 is fixedly connected with the brake wheels 87, one end of the third spring 82 is connected with one of the pull rods 84, the other end of the third spring 82 is connected to the right angle block 51.

As shown in fig. 1 and 8, the heat dissipation mechanism 3 includes a heat dissipation cover 31 and hinges 32, the two sides of the heat dissipation cover 31 are hinged with the hinges 32, the two hinges 32 are respectively installed on the two sides of the bridge frame main body 1, the upper and lower sides of the two hinges 32 are respectively provided with a plurality of hinge rods 33, the hinge rods 33 are arranged in parallel, the two ends of the hinge rods 33 are hinged with the two hinges 32, the number of the hinge rods 33 on the upper and lower sides is three, the heat dissipation mechanism is capable of adjusting the angle of the heat dissipation cover 31 through the hinges 32 and the hinge rods 33, and further the heat dissipation effect is improved.

The working principle of the invention is as follows:

the method comprises the following steps: when the bridge frame main body 1 is installed, the fixing plate 41 is fixedly installed on a ceiling, the right-angle seat 51 is clamped with the clamping slide block 53 through the clamping groove 54, the lock rod 77 is pushed downwards to slide in the lock groove 76, the lock rod 77 is rotated to be clamped in the lock groove 76, the slide rod 74 moves downwards to drive the pawl 73 to move downwards to be separated from the ratchet wheel 71, the second spring 75 is in a compressed state, the rocker 55 is rotated to enable the rotating column 52 and the rotating roller 56 to rotate, the lifting rope 57 on the rotating roller 56 is released, the end part of the lifting rope 57 is clamped with the lifting ring 58 on the bridge frame main body 1, the lock rod 77 is pushed to enable the ratchet wheel 71 to be meshed with the pawl 73, the rocker 55 is rotated reversely, and the winding of the lifting rope 57 is realized, further pulling the bridge frame main body 1 upwards slowly, adjusting the angle of the bridge frame main body 1 in the lifting process of the bridge frame main body 1, an appropriate positioning hole 43 is selected according to the installation position of the bridge main body 1, and the bridge main body 1 is fixedly installed on the hanger rod 42 through a screw and a fixing seat 44.

Step two: when the corner adjustment is carried out, the knob 66 is pushed upwards to enable the limiting rod piece 65 to move upwards, at the moment, the first spring 68 is in a compression state, the limiting rod piece 65 and the second gear 67 slide relatively, the spline shaft at the upper end of the limiting rod piece 65 is separated from the inner spline of the limiting sleeve 64, the limiting sleeve 64 does not play a limiting role any more, the limiting rod piece 65 can rotate at the moment, the rotary knob 66 drives the limiting rod piece 65 to rotate, the limiting rod piece 65 drives the second gear 67 to rotate, the second gear 67 drives the first gear 63 to rotate with the rotary box 61, the angle adjustment of the rotary box 61 is realized, the bridge main body 1 is convenient to be installed at the corner position, after the angle adjustment of the rotary box 61 is well, the limiting rod piece 65 resets due to the action of the first spring 68, the limiting sleeve 64 rotates the limiting rod piece 65 again to be limited, and the limitation of the adjusted rotary box 61 is realized.

Step three: when the control box 2 is repaired or replaced, the lock rod 77 is pushed downwards to be clamped in the lock groove 76, so that the ratchet wheel 71 is separated from the pawl 73, the fixed seat 44 is detached from the hanger rod 42, at this time, due to the weight of the bridge main body 1 and the control box 2, the bridge main body 1 and the control box 2 move downwards, the lifting rope 57 is released on the rotating roller 56, the press rod 83 can be pressed downwards, so that the rotating ring 81 rotates on the rotating column 52, the rotating ring 81 pulls the connecting rod 85 to move through the pull rods 84 on the two sides, at this time, the third spring 82 is in a stretching state, the connecting rod 85 pulls the brake pieces 86 on the two sides to move, the two brake pieces 86 are in contact with the brake wheel 87, the rotating speeds of the brake wheel 87, the rotating column 52 and the rotating roller 56 are controlled, further, the descending speeds of the bridge main body 1 and the control box 2 are controlled, and safety accidents caused by too high speed are prevented.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. The utility model provides a cable testing bridge convenient to angle of adjustment which characterized in that: the bridge structure comprises a bridge structure main body (1), wherein a control box (2) is arranged on one side of the bridge structure main body (1), and a heat dissipation mechanism (3) is arranged on the other side of the bridge structure main body (1); the suspension mechanism (4) is used for suspending and supporting the bridge frame main body (1); the traction mechanism (5) is used for traction operation when the bridge frame main body (1) is installed and detached; the two sides of the bridge frame main body (1) are provided with angle adjusting mechanisms (6);

the angle adjusting mechanism (6) comprises a rotating box (61) and a rotating shaft (62), the two sides of the rotating box (61) are both connected with the rotating shaft (62), the rotating shaft (62) penetrates through the two sides of the bridge main body (1), the rotating shaft (62) is rotatably connected with the bridge main body (1), one rotating shaft (62) is coaxially connected with a first gear (63), one side, close to the first gear (63), of the bridge main body (1) is connected with a limiting sleeve (64), a limiting rod piece (65) is inserted into the limiting sleeve (64), the limiting rod piece (65) is movably connected with the limiting sleeve (64), a knob (66) is connected after the limiting rod piece (65) penetrates through the bridge main body (1), a second gear (67) meshed with the first gear (63) is sleeved on the limiting rod piece (65), the limiting rod piece (65) is slidably connected with the second gear (67), a first spring (68) is sleeved on the limiting rod piece (65), a first spring (68) is between the knob (66) and the second gear (67).

2. The cable tray of claim 1, wherein: the suspension mechanism (4) comprises a fixing plate (41) and a plurality of hanging rods (42), the lower side of the fixing plate (41) is connected with the plurality of hanging rods (42), a plurality of positioning holes (43) are formed in the hanging rods (42), a plurality of fixing seats (44) are connected to the bridge frame main body (1), and the bridge frame main body (1) is detachably connected with the hanging rods (42) through the plurality of fixing seats (44).

3. The cable tray for facilitating angular adjustment of claim 2, wherein: the traction mechanism (5) comprises a right-angle seat (51) and a rotating column (52), a clamping sliding block (53) is connected to the lower side of a fixing plate (41), a clamping groove (54) is formed in the right-angle seat (51), the right-angle seat (51) is detachably connected with the clamping sliding block (53) through the clamping groove (54), the rotating column (52) penetrates through the right-angle seat (51) and is rotatably connected with the right-angle seat (51), a rocker (55) is connected to one end of the rotating column (52), the other end of the rotating column (52) is coaxially connected with a rotating roller (56), a lifting rope (57) is wound on the rotating roller (56), a lifting ring (58) is connected to the upper side of the bridge main body (1), the lifting rope (57) is detachably connected with the bridge main body (1) through the lifting ring (58), and a locking mechanism (7) is arranged on the rotating column (52) and used for one-way locking operation of the rotating roller (56); the rotating column (52) is provided with a speed control mechanism (8) for controlling the release speed of the lifting rope (57).

4. A cable tray for facilitating angling as defined in claim 3, wherein: locking mechanism (7) include ratchet (71) and a lock section of thick bamboo (72), ratchet (71) and rotation post (52) coaxial coupling, a lock section of thick bamboo (72) are connected with right angle seat (51), sliding connection has pawl (73) with ratchet (71) meshing in a lock section of thick bamboo (72), lock section of thick bamboo (72) interpolation is equipped with slide bar (74) and both swing joint, slide bar (74) upper end is rotated with pawl (73) and is connected, the cover is equipped with second spring (75) on slide bar (74), second spring (75) are located a lock section of thick bamboo (72), locked groove (76) have been seted up to a lock section of thick bamboo (72) one side, sliding connection has locking lever (77) in locked groove (76), locking lever (77) one end and slide bar (74) lateral wall fixed connection.

5. A cable tray for facilitating angling as defined in claim 3, wherein: the speed control mechanism (8) comprises a rotating ring (81) and a third spring (82), the rotating column (52) is sleeved with the rotating ring (81) and is rotatably connected with the rotating ring (81), a pressure rod (83) is connected to the rotating ring (81), pull rods (84) are connected to two sides of the rotating ring (81), a connecting rod (85) is hinged to each pull rod (84), brake blocks (86) are arranged on two sides of the rotating ring (81), one end of each brake block (86) is hinged to each connecting rod (85), the other end of each brake block (86) is hinged to a right-angle seat (51), a brake wheel (87) matched with each brake block (86) is sleeved on the rotating column (52), the rotating column (52) is fixedly connected with each brake wheel (87), one end of the third spring (82) is connected with one pull rod (84), and the other end of the third spring (82) is connected with the right-angle seat (51).

6. The cable tray for facilitating angular adjustment of claim 1, wherein: radiating mechanism (3) are including heat exchanger (31) and hinge (32) dispel the heat, and heat exchanger (31) both sides all articulate hinge (32), and two hinges (32) are installed respectively in the both sides of crane span structure main part (1), and both sides all are provided with a plurality of hinge bars (33) about two hinges (32), a plurality of hinge bars (33) parallel arrangement, and hinge bar (33) both ends are articulated with two hinges (32) respectively.