CN219527330U - Overhauling device for boom of large-span suspension bridge - Google Patents

Abstract

The utility model relates to a device for overhauling a boom of a large-span suspension bridge, and belongs to the field of bridge maintenance and construction equipment. The boom maintenance device comprises a maintenance device body and a driving device, wherein the maintenance device body comprises two maintenance hanging baskets which are symmetrical and are arranged at intervals, connecting frames for connecting the two maintenance hanging baskets are arranged on adjacent surfaces of the two maintenance hanging baskets, and an enclosed space is formed by the two connecting frames and the adjacent surfaces of the two maintenance hanging baskets to enclose the boom; the driving device comprises two driving motors arranged on the overhaul hanging basket and a lifting steel wire rope connected with the driving motors. Because the hanging basket is directly surrounded by the hanging rod, the hanging rod can be lifted along the hanging rod, so that constructors can carry out omnibearing maintenance on the hanging rod, the comprehensive maintenance of the hanging rod is improved, and the maintenance efficiency is improved.

Description

Overhauling device for boom of large-span suspension bridge

Technical Field

The utility model relates to the field of bridge maintenance and construction equipment, in particular to an overhaul device for a boom of a large-span suspension bridge.

Background

The suspension rod is the most important stress component of the suspension bridge, and is used for bearing heavy loads such as a main girder of a bridge body, vehicles and the like, and is a main component for transmitting stiffening Liang Hengzai and live loads of bridge deck vehicles to a main cable, so that the self condition of the suspension rod is relevant to the safety of the bridge.

From the operation condition of the suspension bridge at home and abroad, the suspender is formed into a rope under the non-stress state, when the rope body works, the HDPE sheath of the suspender is always under the higher stress state along with the extension of the steel wire, and alternating tensile stress exists in most working conditions. Therefore, the bonding force between molecules of the HDPE is gradually reduced under the condition of high stress for a long time, so that the environmental stress cracking resistance of the HDPE is reduced, and the HDPE is cracked in advance. If the HDPE sheath is not maintained in time, the steel wire of the suspender can be corroded quickly, the safety and durability of the inhaul cable are greatly reduced, the safety of a bridge is seriously threatened, and in some cases, in order to ensure the safety of the suspender, the suspender even has to be replaced in advance.

At present, a suspension bridge suspender mainly adopts a climbing vehicle for inspection and maintenance, and in the process, the defects of higher operation danger, low efficiency, incapability of overhauling in place at some parts and the like exist. It is therefore necessary to devise a safe, efficient and comprehensive way to service and maintain suspension bridge booms.

Disclosure of Invention

The utility model provides a maintenance device for a large-span suspension bridge boom, which aims to solve the problems of lower efficiency, potential safety hazard and incomplete maintenance in the maintenance process of the suspension bridge boom in the related art.

The embodiment of the utility model provides an overhaul device for a boom of a large-span suspension bridge, which comprises the following components:

the overhaul device comprises an overhaul device body, wherein the overhaul device body comprises two overhaul hanging baskets which are symmetrical and are arranged at intervals, connecting frames for connecting the two overhaul hanging baskets are arranged on adjacent surfaces of the two overhaul hanging baskets, and an enclosed space is formed by the two connecting frames and the adjacent surfaces of the two overhaul hanging baskets to enclose a hanging rod;

the driving device comprises two driving motors arranged on the overhaul hanging basket and a lifting steel wire rope connected with the driving motors.

In some embodiments, the overhaul hanging basket comprises a bottom plate and a plurality of vertical rods arranged on the bottom plate in a surrounding mode, and reinforcing rods are arranged between two adjacent vertical rods.

In some embodiments, a protective enclosure is provided around the service basket.

In some embodiments, the enclosure is a protective net and is secured to the service basket by nylon ties.

In some embodiments, the bottom of the overhaul basket is provided with a moving member.

In some embodiments, the moving member comprises four casters disposed about the bottom of the access basket.

In some embodiments, the connection frame comprises a plurality of transverse connection rods and a plurality of vertical connection rods, and the connection frame is fixed to the overhaul basket through bolts.

In some embodiments, the drive motor is a hoist.

In some embodiments, a foam pad is provided on a side of the connector adjacent to the boom to prevent snagging the boom.

In some embodiments, two ends of the overhaul hanging baskets far away from the hanging rods are provided with safety locks, and the safety locks and the driving motors are connected in series on the corresponding lifting steel wire ropes.

The technical scheme provided by the utility model has the beneficial effects that:

the utility model provides a maintenance device for a large-span suspension bridge suspension rod, which comprises a maintenance device body and a driving device, wherein the maintenance device body comprises two maintenance hanging baskets which are symmetrically and alternately arranged, the adjacent surfaces of the two maintenance hanging baskets are provided with connecting frames for connecting the two maintenance hanging baskets, and an enclosed space is formed by the two connecting frames and the adjacent surfaces of the two maintenance hanging baskets to enclose the suspension rod; the driving device comprises two driving motors arranged on the overhaul hanging basket and a lifting steel wire rope connected with the driving motors.

Therefore, the boom maintenance device can be lifted along the boom, the condition of occupying the road construction does not exist, the boom can be comprehensively maintained, and the maintenance efficiency and the maintenance comprehensiveness are improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a structure provided in an embodiment of the present utility model;

FIG. 2 is a front view of the service device;

FIG. 3 is a left side view of the service device;

fig. 4 is a top view of the service device.

Reference numerals:

1. overhauling the hanging basket; 11. a bottom plate; 12. a vertical rod piece; 13. reinforcing the rod piece; 2. a connecting frame; 3. a driving motor; 4. and (3) a safety lock.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a maintenance device for a large-span suspension bridge boom, which can solve the problems of lower efficiency, potential safety hazard and incomplete maintenance in the maintenance process of the suspension bridge boom in the related art.

Referring to fig. 1 to 4, an embodiment of the present utility model provides an overhaul device for a boom of a large-span suspension bridge, including: the device comprises an overhaul device body and a driving device, wherein the overhaul device body comprises two overhaul hanging baskets 1 which are symmetrical and are arranged at intervals, a connecting frame 2 for connecting the two overhaul hanging baskets 1 is arranged on the adjacent surfaces of the two overhaul hanging baskets 1, and an enclosed space is formed by the two connecting frames 2 and the adjacent surfaces of the two overhaul hanging baskets 1 to enclose a hanging rod; the driving device comprises two driving motors 3 arranged on the overhaul hanging basket 1 and lifting steel wire ropes connected with the driving motors 3.

Under some use conditions, the driving motor 3 is a winch, the winch and a lifting steel wire rope connected with the winch are utilized, when the overhaul device needs to move up and down, the steel wire rope of the winch exits and moves to the ascending direction, the free end of the traction rope is fixed on the front traction cross rod, after the free ends of the traction rope and the safety rope are anchored and fixed, the winch is started, and the overhaul device can ascend or descend along the suspender under the action of the traction rope.

At this time, the connection frame 2 and the maintenance basket 1 of the boom maintenance device form an enclosed space to enclose the boom, and the boom can be freely lifted and lowered along the boom while enclosing the boom as a rail. The maintenance device moves along the suspender, is driven by the winch, does not have the condition of occupying the road, and avoids the procedures and complicated processes of managing traffic, handling temporary occupying the road construction and the like when the climbing vehicle is used in the traditional maintenance mode.

The maintenance hanging flower basket 1 includes bottom plate 11 and encloses many vertical member 12 of establishing on bottom plate 11, in the in-service use, bottom plate 11 can be the bamboo offset plate, be provided with between two adjacent vertical member 12 and consolidate member 13, the steadiness of maintenance hanging flower basket 1 has been strengthened, can ensure that constructor is stable, safety when the operation, and every maintenance hanging flower basket 1 can supply constructor to stand wherein, can place some required construction tools of maintenance on maintenance hanging flower basket 1 bottom plate 11, the constructor of being convenient for operates, when the maintenance device goes up, descend, overhaul the construction to the jib. Because the overhaul hanging basket 1 directly surrounds the suspender, constructors can overhaul the suspender in an omnibearing way, and the overhaul comprehensiveness of the suspender is improved.

The connecting frame 2 arranged between the two overhaul hanging baskets 1 comprises a plurality of transverse connecting rods and a plurality of vertical connecting rods, and the connecting frame 2 is fixed on the overhaul hanging basket 1 through bolts. After two maintenance hanging baskets 1 are installed in place, the connecting frame 2 is fixed beside the hanging rods through bolts, the hanging rods are surrounded, and the transverse connecting rods can be channel steel, so that the stability of connection is ensured. In addition, be connected with the foam pad that prevents to cut and rub the jib in the link 2 one side that is close to the jib, when maintenance hanging flower basket 1 rises, descends along the jib, the foam pad can play isolated link 2 and jib's effect, prevents that link 2, maintenance hanging flower basket 1 from cutting and rubbing the jib when removing, avoids the jib to suffer damage at the maintenance in-process.

Referring to fig. 1 to 4, an embodiment of the present utility model provides an overhaul device for a large-span suspension bridge boom, wherein a protective fence is provided around an overhaul basket 1, and in some use cases, the fence is a protective net, and is fixed on the overhaul basket 1 by binding nylon ties, and the protective net is provided around the overhaul basket 1, so that construction materials and construction equipment placed in the overhaul basket 1 can be prevented from falling, and also protection can be provided for constructors standing in the overhaul basket 1, and safety of overhaul operation is enhanced.

Referring to fig. 1 to 4, an embodiment of the present utility model provides a device for repairing a boom of a large-span suspension bridge, wherein a moving member is arranged at the bottom of a repairing basket 1 of the boom repairing device, the moving member comprises four universal casters arranged around the bottom of the repairing basket 1, the universal casters are arranged at the bottom of the repairing basket 1, so that the repairing basket 1 is convenient to transport and install, and the repairing efficiency is improved.

Referring to fig. 1 to 4, the embodiment of the utility model provides a device for overhauling a boom of a large-span suspension bridge, wherein two overhauling baskets 1 are respectively provided with a safety lock 4 at one end far away from the boom, and the safety locks 4 and a driving motor 3 are connected in series on corresponding lifting steel wire ropes. When the overhauling device moves to a preset position, the winch is closed, the safety lock 4 is opened, the steel wire rope can be locked through the arrangement of the safety lock 4, the overhauling device and the suspender are prevented from tilting or falling when kept relatively static, and the construction safety is improved.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that in the present utility model, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. 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 utility model 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 (5)

1. An inspection device for a large span suspension bridge boom, comprising:

the overhauling device comprises an overhauling device body, wherein the overhauling device body comprises two overhauling hanging baskets (1) which are symmetrically arranged at intervals, two adjacent surfaces of the overhauling hanging baskets (1) are provided with connecting frames (2) which are connected with the two overhauling hanging baskets (1), an enclosed space is formed by the connecting frames (2) and the two adjacent surfaces of the overhauling hanging baskets (1), the overhauling hanging baskets (1) comprise a bottom plate (11) and a plurality of vertical rods (12) which are enclosed on the bottom plate (11), reinforcing rods (13) are arranged between the two adjacent vertical rods (12), surrounding baffle pieces for protection are arranged around the overhauling hanging baskets (1), the surrounding baffle pieces are protective nets and are fixed on the overhauling hanging baskets (1) through nylon binding tapes, one sides of the connecting frames (2) close to the hanging baskets are provided with foam pads which are connected with the hanging baskets, the connecting frames (2) comprise a plurality of transverse connecting rods and a plurality of vertical connecting rods, and the connecting frames (2) are fixed on the overhauling hanging baskets (1) through bolts;

the driving device comprises two driving motors (3) arranged on the overhaul hanging basket (1) and lifting steel wire ropes connected with the driving motors (3).

2. A device for servicing a boom of a large span suspension bridge as defined in claim 1 wherein:

the bottom of the overhaul hanging basket (1) is provided with a moving part.

3. A device for servicing a boom of a large span suspension bridge as defined in claim 2 wherein:

the moving part comprises four universal casters arranged around the bottom of the overhaul hanging basket (1).

4. A device for servicing a boom of a large span suspension bridge as defined in claim 1 wherein:

the driving motor (3) is a winch.

5. A device for servicing a boom of a large span suspension bridge as defined in claim 1 wherein:

two maintenance hanging baskets (1) are provided with safety locks (4) at one ends far away from the hanging rods, and the safety locks (4) and the driving motors (3) are connected in series on the corresponding lifting steel wire ropes.