CN217026681U - Movable construction platform for high-place maintenance construction of main cable of suspension bridge - Google Patents
Movable construction platform for high-place maintenance construction of main cable of suspension bridge Download PDFInfo
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- CN217026681U CN217026681U CN202121310346.3U CN202121310346U CN217026681U CN 217026681 U CN217026681 U CN 217026681U CN 202121310346 U CN202121310346 U CN 202121310346U CN 217026681 U CN217026681 U CN 217026681U
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Abstract
The utility model discloses a movable construction platform for overhead maintenance construction of a main cable of a suspension bridge, which is arranged on handrail steel wire ropes arranged above two sides of the main cable in parallel, and the handrail steel wire ropes are fixedly connected with the main cable through cable clamps and cable clamp upright posts; the free end part of the traction steel wire rope is fixedly connected with the consolidation beam; the middle part of the moving platform is fixedly provided with a cross beam, the axial direction of the cross beam is vertical to the axial direction of the main cable, two ends of the cross beam are hinged with lifting lugs, two groups of hanging baskets are hinged with the lifting lugs respectively, and the main cable is positioned above the middle parts of the two groups of hanging baskets.
Description
Technical Field
The utility model relates to a suspension bridge main cable high-altitude overhaul construction device, in particular to a movable construction platform for suspension bridge main cable high-altitude overhaul construction.
Background
In recent 20 years, the construction of suspension bridges in China has been rapidly developed, large-span suspension bridges such as the Guangdong Timen bridge, the Huangbu bridge, the Jiangyin bridge, the Runyang Yangjiang bridge, the Xihoumen bridge, the Chongqing Yuzui bridge, the Guiguan river bridge and the like are successively built, and China reaches the advanced level in the world in the aspect of construction. With the vigorous development of the construction of large-span bridges, the maintenance problem of the bridges is increasingly important, and the center of gravity is gradually shifted from 'new construction' to 'management and maintenance in later period'.
The main cable, one of the main stress components that the suspension bridge is not replaceable, has been called the "life line" of the suspension bridge, and bears the load of the main beam of the bridge body, the vehicle and other heavy loads. After the suspension bridge is built, the main cable is often exposed to various severe environments, and the main cable cannot be replaced within the service life of the bridge, so that the main cable is particularly important for corrosion prevention and maintenance of the suspension bridge main cable.
At present, main cable inspection vehicles on the market are relatively few in application, but the market demand is gradually emerging. The existing main cable inspection vehicle mainly runs in two ways, namely, the inspection vehicle is self-powered and is driven by a motor or a hydraulic motor, the dead weight of the system is large, and a protective coating on the surface of a main cable can be damaged during running; one is to receive and release the wire rope by relying on the hoist, the inspection vehicle climbs through the wire rope traction, the selection of the consolidation point of the traction wire rope by the inspection vehicle is a difficult problem, if the consolidation point is arranged on the tower top, the wire rope on the vehicle body is too long, the weight is too large, the implementation difficulty is large, and if the hoist is arranged on the tower top, the inspection vehicle walks in a form similar to rope climbing, and the implementation is also difficult.
Therefore, an urgent need exists in the art to provide a rope-pulling mobile construction device for a main cable of a suspension bridge, which has a simple structure, is convenient to use, and has strong versatility.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a movable construction platform for high-place overhaul construction of a main cable of a suspension bridge, which is high in safety, flexible and convenient.
In order to achieve the purpose, the utility model adopts the following technical scheme: a movable construction platform for overhead maintenance construction of a main cable of a suspension bridge is arranged on handrail steel wire ropes arranged above two sides of the main cable in parallel, and the handrail steel wire ropes are fixedly connected with the main cable through cable clamps and cable clamp stand columns; the cable clamp upright post is used for connecting a handrail steel wire rope and a main cable, and the free end part of the traction steel wire rope is fixedly connected with the consolidation beam; the movable platform is characterized in that a cross beam is fixedly arranged in the middle of the movable platform, the axial direction of the cross beam is perpendicular to the axial direction of the main cable, lifting lugs are hinged to two ends of the cross beam, the hanging baskets are two groups and hinged to the lifting lugs respectively, and the main cable is located above the middle of the two hanging baskets.
The utility model has the beneficial effects that: it is connected on the cable clip stand apart from the detection section certain distance through consolidation beam, haulage wire rope's free end is fixed on consolidation beam, moving platform connects on the handrail wire rope of parallel arrangement in main push-towing rope top through the gyro wheel of its bottom, the lifting machine is fixed on moving platform, haulage wire rope is connected to the lifting machine, make moving platform promote to remove, it connects on moving platform through the crossbeam to hang the basket, workman and detection and maintenance equipment place in hanging the basket, realize the maintenance and the detection of main push-towing rope, it is nimble convenient, high safety, and is more stable.
Preferably, the fixed gyro wheel mounting bracket that is equipped with in moving platform's bottom, set up the installation axle on the gyro wheel mounting bracket, the gyro wheel rotates to be connected install epaxial, the fixed safety pin that is equipped with in gyro wheel mounting bracket's bottom, handrail wire rope is located between gyro wheel and the safety pin.
Preferably, the roller is a U-shaped roller.
Preferably, the fixing beam is connected with a safety rope, and the other end of the safety rope is fixed on the movable platform.
Preferably, a centrifugal trigger type safety lock is fixedly arranged on the mobile platform, and the safety rope penetrates through the centrifugal trigger type safety lock and is fixedly arranged on the mobile platform.
Preferably, the bottom between the two hanging baskets is connected with a stabilizing rod.
Preferably, the bottom of the lifting lugs at the two ends of the cross beam is hinged with a hanging piece, the bottom of the hanging piece is connected with a hanging basket, and the axial direction of a mounting shaft hinged with the hanging piece and the axial direction of the cross beam are perpendicular to realize the adjustment of the transverse distance between the hanging baskets on the horizontal plane.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a movable construction platform for high-altitude overhaul construction of a main cable of a suspension bridge, provided by the utility model;
FIG. 2 is a schematic view of the overall structure of a movable construction platform for overhead maintenance of a main cable of a suspension bridge according to the utility model;
FIG. 3 is an assembly schematic diagram of a movable construction platform for high-altitude overhaul construction of a main cable of a suspension bridge, provided by the utility model;
FIG. 4 is an assembly schematic diagram of rollers of a movable construction platform for high-altitude overhaul construction of a main cable of a suspension bridge;
FIG. 5 is a schematic view of the connection between the idler wheels of the movable construction platform and the steel wire ropes of the handrails for high-altitude overhaul construction of the main cable of the suspension bridge.
The device comprises a main cable 1, a handrail steel wire rope 2, a moving platform 3, a hoister 4, a fixing beam 5, a hanging basket 6, rollers 7, a roller mounting frame 8, a safety pin 9, a cross beam 10, a cable clamp upright post 11, a traction steel wire rope 12, a safety rope 13, lifting lugs 14, a centrifugal trigger type safety lock 15, a stabilizer bar 16 and a mounting shaft 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1 to 5 of the utility model, according to the embodiment of the utility model, the movable construction platform for high-altitude maintenance construction of the main cable of the suspension bridge is arranged on the handrail steel wire ropes 2 arranged above two sides of the main cable 1 in parallel, and the handrail steel wire ropes are fixedly connected with the main cable 1 through cable clamps and cable clamp upright posts 11 and comprise a movable platform 3, a hoist 4, a fixing beam 5 and a hanging basket 6, rollers 7 are rotatably arranged at four corners of the bottom of the movable platform 3, the rollers 7 are correspondingly and slidably connected on the handrail steel wire ropes 2, the hoist 4 is fixedly connected on the movable platform, the hoist 4 is connected with a traction steel wire rope 12, the traction steel wire rope 12 penetrates through a rope wheel of the hoist and is connected on the movable platform, the traction steel wire rope 12 in a groove of the rope wheel is driven to rotate together by friction of the corresponding rope wheel, and the fixing beam 5 is detachably connected on the cable clamp upright posts 11; the cable clamp upright column is used for fixedly connecting the handrail steel wire rope and the main cable, and the free end part of the traction steel wire rope 12 is fixedly connected with the consolidation beam 5; the middle part of moving platform 3 is fixed and is set up crossbeam 10, and the axial of crossbeam 10 is perpendicular with the axial of main push-towing rope 1, and the both ends of crossbeam 10 articulate there is lug 14, hangs basket 6 and be two sets of and articulate with lug 14 respectively, and main push-towing rope 1 is located the middle part top of two sets of baskets of hanging.
Specifically, the "a" wrap and the "S" wrap may be selected when the traction rope is passed over the sheave of the hoisting machine.
And more specifically, the lifting lugs are provided with hinge holes with different heights, and the hanging basket can be hinged at the hinge holes according to different use requirements. The height of hanging baskets on two sides can be conveniently adjusted.
In other embodiments, a roller mounting rack 8 is fixedly arranged at the bottom of the mobile platform 3, an installation shaft is arranged on the roller mounting rack 8, the roller 7 is rotatably connected to the installation shaft 17, a safety pin 9 is fixedly arranged at the bottom of the roller mounting rack 8, and the handrail steel wire rope 2 is located between the roller 7 and the safety pin 9. Set up the safety pin and prevent that the gyro wheel from removing the in-process derail, prevent that it from turning on one's side, improve its security performance of using.
Specifically, gyro wheel 7 is U type gyro wheel for the race of gyro wheel and handrail wire rope cooperation butt improve its stability at gyro wheel pivoted in-process.
More specifically, the gyro wheel is connected for rotating with the installation axle, and the gyro wheel can be along the axial automatically regulated certain distance of installation axle 17 to the horizontal interval size of the handrail wire rope of cooperation parallel arrangement, the gyro wheel is 20cm at the axial adjustment span of installation axle.
In other embodiments, the consolidation beams 5 are connected with safety ropes 13, and the other ends of the safety ropes are fixed on the mobile platform 3, so that the safety hazard caused by sudden fracture of the traction steel wire rope or failure of the hoist is prevented.
Specifically, a centrifugal trigger type safety lock 15 is fixedly arranged at one end of the mobile platform 3, and the safety rope 13 penetrates through the centrifugal trigger type safety lock 15 to prevent the mobile platform from suddenly dropping.
The safety steel wire rope penetrates between the pinch roller and the flyweight turntable through the rope inlet, the steel wire rope drives two wheels to synchronously and reversely rotate by friction when the electric control elevator descends, the flyweight is arranged on the flyweight turntable, when the descending speed of the electric control elevator exceeds a certain value, centrifugal force generated by the flyweight overcomes the constraint force of the spring and is thrown outwards, the driving lever is touched to drive the rope locking mechanism to act, the locking block is locked on the safety steel wire rope, and therefore the electric control elevator integrally stops descending.
In other embodiments, a stabilizer bar 16 is connected to the bottom of the cradle 6 to stabilize the cradle.
In other embodiments, the bottom of the lifting lugs at two ends of the cross beam 10 is hinged with a hanging piece, the bottom of the hanging piece is connected with a hanging basket, and the axial direction of a mounting shaft hinged with the hanging piece is vertical to the axial direction of the cross beam on the horizontal plane to realize the transverse spacing adjustment of the hanging basket. The stabilizer bar is suitable for main cables with different diameters, and the stabilizer bar is fixed after the distance is adjusted.
The hanging basket angle of oscilaltion is adjusted to the hangers for hang the basket and remain throughout vertical, and then guarantee the level of construction platform face, the pendant lies in transverse spacing's regulation, adapts to different main push-towing rope diameter sizes, guarantees normal construction.
The specific using process of the utility model is as follows:
the traction steel wire rope and the safety steel wire rope are anchored on the cable clamp stand column which is 50-60 meters away from the front of the construction operation point through the consolidation beam. When the moving platform is close to the consolidation beam, fix the moving platform on adjacent cable clamp stand column, move the consolidation beam forward again to the installation consolidation on the cable clamp stand column apart from 50 ~ 60 meters, the staff can be in hanging basket construction detection and maintenance, reciprocates in proper order, accomplishes the whole section maintenance and the inspection of main push-towing rope.
For the device and the using method disclosed by the embodiment, the description is simple because the device and the using method correspond to the method disclosed by the embodiment, and the relevant points can be referred to the description of the method part.
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 utility model. 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 (7)
1. A movable construction platform for high-altitude maintenance construction of a main cable of a suspension bridge is installed on handrail steel wire ropes (2) arranged above two sides of a main cable (1) in parallel, and the handrail steel wire ropes are fixedly connected with the main cable through cable clamps and cable clamp stand columns (11), and is characterized by comprising a movable platform (3), a hoist (4), a consolidation beam (5) and a hanging basket (6), wherein idler wheels (7) are arranged at four corners of the bottom of the movable platform (3) in a rotating mode, the idler wheels (7) are correspondingly and slidably connected onto the handrail steel wire ropes (2), the hoist (4) is fixedly connected onto the movable platform, the hoist (4) is connected with a traction steel wire rope (12), and the consolidation beam (5) is detachably connected onto the cable clamp stand columns (11); the free end part of the traction steel wire rope (12) is fixedly connected with the consolidation beam (5); the middle of the moving platform (3) is fixedly provided with a cross beam (10), the axial direction of the cross beam (10) is perpendicular to the axial direction of the main cable (1), lifting lugs (14) are hinged to the two ends of the cross beam (10), the hanging baskets (6) are two groups and hinged to the lifting lugs (14) respectively, and the main cable (1) is located above the middle of the two groups of hanging baskets.
2. The movable construction platform for high-altitude maintenance and construction of the main cable of the suspension bridge according to claim 1, wherein a roller mounting frame (8) is fixedly arranged at the bottom of the movable platform (3), an installation shaft (17) is arranged on the roller mounting frame (8), the roller (7) is rotatably connected to the installation shaft, a safety pin (9) is fixedly arranged at the bottom of the roller mounting frame (8), and the handrail steel wire rope (2) is located between the roller (7) and the safety pin (9).
3. The movable construction platform for high-altitude overhaul and construction of the main cable of the suspension bridge as claimed in claim 2, wherein the rollers (7) are U-shaped rollers.
4. The movable construction platform for high-altitude overhaul and construction of the main cable of the suspension bridge as claimed in claim 1, wherein a safety rope (13) is connected to the consolidation beam (5), and the other end of the safety rope is fixed to the movable platform (3).
5. The movable construction platform for high-altitude overhaul and construction of the main cable of the suspension bridge according to claim 4, wherein a centrifugal trigger type safety lock (15) is fixedly arranged on the movable platform (3), and the safety rope (13) penetrates through the centrifugal trigger type safety lock (15) and is fixedly arranged on the movable platform.
6. The movable construction platform for high-altitude overhaul construction of the main cable of the suspension bridge according to claim 1, wherein a stabilizer bar (16) is connected to the bottom between the two hanging baskets (6).
7. The movable construction platform for high-altitude overhaul construction of the main cable of the suspension bridge according to claim 1, wherein the bottom parts of the lifting lugs at the two ends of the cross beam (10) are hinged with hanging pieces, the bottom parts of the hanging pieces are connected with hanging baskets, and the axial direction of a mounting shaft hinged with the hanging pieces is perpendicular to the axial direction of the cross beam on the horizontal plane to realize transverse spacing adjustment of the hanging baskets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121310346.3U CN217026681U (en) | 2021-06-11 | 2021-06-11 | Movable construction platform for high-place maintenance construction of main cable of suspension bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121310346.3U CN217026681U (en) | 2021-06-11 | 2021-06-11 | Movable construction platform for high-place maintenance construction of main cable of suspension bridge |
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| Publication Number | Publication Date |
|---|---|
| CN217026681U true CN217026681U (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121310346.3U Active CN217026681U (en) | 2021-06-11 | 2021-06-11 | Movable construction platform for high-place maintenance construction of main cable of suspension bridge |
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| CN (1) | CN217026681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118029286A (en) * | 2024-04-11 | 2024-05-14 | 贵州桥梁建设集团有限责任公司 | Manipulator for suspension bridge construction |
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2021
- 2021-06-11 CN CN202121310346.3U patent/CN217026681U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118029286A (en) * | 2024-04-11 | 2024-05-14 | 贵州桥梁建设集团有限责任公司 | Manipulator for suspension bridge construction |
| CN118029286B (en) * | 2024-04-11 | 2024-06-11 | 贵州桥梁建设集团有限责任公司 | Manipulator for suspension bridge construction |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A movable construction platform for maintenance and construction at main cable height of suspension bridge Effective date of registration: 20221019 Granted publication date: 20220722 Pledgee: Xuzhou Shenghong Intellectual Property Service Co.,Ltd. Pledgor: JIANGSU CUMT DAZHENG SURFACE ENGINEERING TECHNOLOGY Co.,Ltd. Registration number: Y2022320000624 |