Bridge maintenance trolley

Abstract

The application discloses a bridge maintenance trolley, which comprises a walking frame, a manned hanging basket and a power system, wherein the walking frame and the power system are both installed on the manned hanging basket, the manned hanging basket comprises a longitudinal hanging beam group, a stiffening cross beam and a manned footboard, one end of the longitudinal hanging beam is fixedly connected with the manned footboard through bolts, one stiffening cross beam is fixedly connected between every two adjacent longitudinal hanging beams, the walking frame comprises two pairs of walking rubber wheel devices, two transverse bearing beams, two longitudinal connecting beams and rotatable connecting pieces, two ends of the two longitudinal connecting beams are fixedly connected with the two transverse bearing beams respectively, and each transverse bearing beam is sequentially penetrated through two rotatable connecting pieces and is sleeved with the rotatable connecting pieces, and the power system comprises an electric hanging basket hoist, a traction rope, a guide fixed pulley and an electric switch, and the application can enable the construction personnel to move along the cable conduit radially above the inhaul cable, thereby improving the working efficiency and construction quality.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of cable-stayed bridge construction, and particularly relates to a bridge maintenance trolley. BACKGROUND

[0002] At present, when a cable-stayed bridge is designed, the appearance and the aesthetic effect at night are considered, and light decorations are designed on the outer protection PE pipe of the stay cable, which brings great difficulty to the installation and construction of the light decorations. Because the installation process of the light decorations is completed after the stay cable construction, the installation of the light decorations has to be completed in the air, which causes great difficulty to the installation operation. The previous construction method is to use a large-tonnage crane to hang a hoisting frame to transport workers to the vicinity of the stay cable for installation operation, but the construction cost is extremely high. Moreover, when a cable-stayed bridge crosses a railway or a river, the crane must stand on the bridge deck to complete the operation, which greatly increases the construction difficulty and construction risk, and the construction efficiency of the method is low, so a new technical solution is needed to solve this problem. SUMMARY

[0003] In order to overcome the shortcomings of the prior art, the present application provides a bridge maintenance trolley, which can eliminate the disadvantages of the existing construction method, improve the work efficiency, realize the random movement of the construction personnel along the radial direction of the stay cable above the stay cable, greatly improve the safety quality and construction efficiency of the stay cable light decoration construction, save the construction cost, and also greatly facilitate the maintenance of the light decorations and the stay cable PE protection sleeve.

[0004] In order to achieve the above purpose, the technical scheme adopted by the present application is:

[0005] The utility model provides a bridge maintenance trolley, including running frame, manned hanging basket, power system, running frame and power system all are installed on manned hanging basket, manned hanging basket includes longitudinal hanging beam group, stiffening crossbeam, manned footboard, longitudinal hanging beam group includes four vertical distribution in both sides of manned footboard longitudinal hanging beam, one end of longitudinal hanging beam adopts bolt fixed connection with manned footboard, every two adjacent longitudinal hanging beam all are fixedly connected with a stiffening crossbeam, running frame includes two pairs of running rubber -tired device, two transverse bearing beams, two longitudinal connecting beams, rotatable connecting piece, two ends of two longitudinal connecting beams are fixedly connected with two transverse bearing beams and form the "" well " type structure, the other end of every longitudinal hanging beam all are fixedly connected with a rotatable connecting piece, every transverse bearing beam all in proper order passes through two rotatable connecting pieces and with its sleeve joint, thereby realizes the installation of running frame and manned hanging basket, running rubber -tired device includes running rubber -tired, rubber -tired axle rod, rubber -tired support rod, rubber -tired axle rod passes through running rubber -tired and is rotationally connected, and the both ends of rubber -tired axle rod are fixed with a rubber -tired support rod respectively, every two rubber -tired support rods are a group, and there are four groups, are fixedly connected to the both ends of two transverse bearing beams, power system includes electric basket hoist, traction rope, guide fixed pulley, electric brake switch, electric basket hoist is fixedly connected to the front side of manned hanging basket, guide fixed pulley is installed on transverse bearing beam, traction rope is wound on the winch of electric basket hoist and passes through guide fixed pulley, and its end is fixedly connected to anchor point, and electric brake switch is installed on the inboard of manned hanging basket and controls the opening and closing of electric basket hoist.

[0006] Preferably, the electric basket hoist can realize forward rotation and reverse rotation.

[0007] Preferably, the lower part of the longitudinal hanging beam is provided with a row of adjusting screw holes one, and each side of the manned footboard is provided with a row of adjusting screw holes two, and the fixing of the adjusting screw holes one and the adjusting screw holes two at different positions is used for adjusting the flatness of the manned footboard.

[0008] Preferably, the rotation direction of the guide fixed pulley is consistent with the rotation direction of the running rubber -tired.

[0009] The utility model has the advantages of:

[0010] 1. The single-cable-plane double-row-cable lamp decoration installation and maintenance running trolley is simple and light in structure, convenient to install and transport.

[0011] 2. The single-cable-plane double-row-cable lamp decoration installation and maintenance running trolley adopts four-wheel running, is high in stability, and will not damage the PE pipe outside the cable.

[0012] 3. The single-cable-plane double-row-cable lighting installation and maintenance walking trolley is used for construction, and the safety is greatly improved, and the safety risk is reduced.

[0013] 4. The single-cable-plane double-row-cable lighting installation and maintenance walking trolley is used for lighting installation, and the work efficiency is greatly improved, and the construction period is saved.

[0014] 5. The single-cable-plane double-row-cable lighting installation and maintenance walking trolley has low manufacturing cost, and in the aspect of installation, the construction cost is greatly reduced, and the occupation of the construction site is reduced. DETAILED DESCRIPTION

[0015] Figure 1 is a structural diagram of the present application;

[0016] Figure 2 is a front view of the present application;

[0017] Figure 3 is a left view of the present application;

[0018] The reference signs shown in the figure are: 1-longitudinal hanging beam, 2-stiffening cross beam, 3-people-carrying pedal, 4-transverse bearing beam, 5-longitudinal connecting beam, 6-rotatable connecting piece, 7-walking rubber wheel, 8-rubber wheel shaft rod, 9-rubber wheel support rod, 10-electric lifting basket hoist, 11-pulling rope, 12-guiding fixed pulley, 13-electric switch, 14-adjusting screw hole one, 15-adjusting screw hole two, 16-cable guide pipe. DETAILED DESCRIPTION

[0019] The design scheme will be described in detail below with reference to the accompanying drawings.

[0020] As Figures 1-3As shown, a bridge maintenance trolley includes a traveling frame, a personnel carrier basket, and a power system. Both the traveling frame and the power system are mounted on the personnel carrier basket. The personnel carrier basket includes longitudinal suspension beam assemblies, stiffening crossbeams 2, and personnel platform 3. The longitudinal suspension beam assembly includes four vertically distributed longitudinal suspension beams 1 on both sides of the personnel platform 3. One end of each longitudinal suspension beam 1 is bolted to the personnel platform 3. A stiffening crossbeam 2 is fixedly connected between every two adjacent longitudinal suspension beams 1. The traveling frame includes two pairs of traveling rubber wheel devices and two... The system consists of a transverse load-bearing beam 4, two longitudinal connecting beams 5, and rotatable connectors 6. The two ends of the two longitudinal connecting beams 5 are fixedly connected to the two transverse load-bearing beams 4, forming a "well"-shaped structure. Each longitudinal beam 1 has a rotatable connector 6 fixedly connected to its other end. Each transverse load-bearing beam 4 passes through two rotatable connectors 6 sequentially and is sleeved with them, thus enabling the installation of the traveling frame and the personnel-carrying basket. The traveling rubber wheel device includes traveling rubber wheels 7, rubber wheel axles 8, and rubber wheel support rods 9. The rubber wheel axles 8 pass through the traveling rubber wheels 7. The rubber wheel 7 is rotatably connected to it. A rubber wheel support rod 9 is fixed to each end of the rubber wheel axle 8. Each pair of rubber wheel support rods 9 forms a group, for a total of four groups, which are fixedly connected to the ends of the two transverse load-bearing beams 4. The power system includes an electric hoist 10, a traction rope 11, a guide pulley 12, and a power switch 13. The electric hoist 10 is fixedly connected to the front of the personnel-carrying basket. The guide pulley 12 is installed on the transverse load-bearing beam 4, and the traction rope 11 is wound around the electric hoist 10. The winch of hoist 10 passes over guide pulley 12 and its end is fixedly connected to the anchor point. The power switch 13 is installed inside the personnel-carrying basket and controls the opening and closing of the electric basket hoist 10. The electric basket hoist 10 is the power source for the trolley. The trolley climbs and moves by pulling the traction rope. The movement and braking of the trolley are accomplished by starting and stopping the electric basket hoist 10. The electric basket hoist 10 can rotate forward and reverse, enabling the trolley to climb or descend.

[0021] The lower part of the longitudinal suspension beam 1 is provided with a row of adjusting screw holes 14, and the two sides of the passenger board 3 are each provided with a row of adjusting screw holes 15. The flatness of the passenger board 3 is adjusted by fixing the adjusting screw holes 14 and adjusting screw holes 15 at different positions.

[0022] The rotation direction of the guide pulley 12 is the same as the rotation direction of the traveling rubber wheel 7. Example

[0023] like Figure 1 As shown, the installation process of this invention is as follows:

[0024] Step 1: Prepare materials such as round steel pipes, angle steel, steel plates, steel wire ropes, electric hoist 10, pulleys, rubber wheels, and bolts according to the cable spacing and actual working conditions.

[0025] Step two: install the running frame, first according to the cable spacing to intercept the appropriate length of steel pipe as a transverse load-bearing beam 4, select the appropriate length of angle steel as longitudinal connecting beam 5. Then make four rotatable connecting pieces 6, respectively two two sets into the transverse load-bearing beam 4, then the transverse load-bearing beam 4 and longitudinal connecting beam 5 are welded and connected, made into a frame, then the running rubber wheel 7 is installed on the rubber wheel support rod 9, then the running rubber wheel 7 is installed on the rubber wheel support rod 9, and the running frame is assembled.

[0026] Step three: install the manned hanging basket, bolt the longitudinal hanging beam 1 and the manned pedal 3, then bolt the stiffening cross beam 2 and the longitudinal hanging beam 1, and the manned trolley is installed.

[0027] Step four: connect the manned hanging basket and the running frame, bolt the longitudinal hanging beam 1 and the rotatable connecting piece 6.

[0028] Step five: install the power system, bolt the electric basket lifting machine 10 on one side of the manned hanging basket, then install the guide fixed pulley 12 on the transverse load-bearing beam 4, then wind the traction rope 11 around the guide fixed pulley 12 and the drum of the electric basket lifting machine 10, and the bridge maintenance trolley is installed.

[0029] The practical application process of the present application is as follows:

[0030] Step one: install the traction rope fixing ring on the cable tower, for steel structure cable tower, welding fixation can be used, for concrete structure cable tower, expansion bolts can be used for fixation, one end of the traction rope 11 is anchored on the tower near the cable saddle corresponding to the cable to be constructed, the traction rope 11 is fixed with the fixed ring, and the electric basket lifting machine 10 is started to make the traction rope 11 taut.

[0031] Step two: install the trolley on the cable guide pipe 16 where the installation or maintenance operation is to be carried out, and adjust the posture to ensure that the running rubber wheel 7 closely fits the cable guide pipe 16.

[0032] Step three: place the installation lights and tools on the trolley, manually start the electric basket lifting machine 10, pull the traction rope 11, and the trolley climbs, which can carry out the installation of lights and maintenance operation, and after the construction is completed, the electric basket lifting machine 10 is reversed, and the trolley retreats to the original position.

Claims

1. A bridge maintenance trolley, characterized in that, The system includes a traveling frame, a passenger-carrying basket, and a power system. Both the traveling frame and the power system are mounted on the passenger-carrying basket. The passenger-carrying basket includes a longitudinal suspension beam assembly, stiffening crossbeams, and a passenger-carrying platform. The longitudinal suspension beam assembly includes four vertically distributed longitudinal suspension beams on both sides of the passenger-carrying platform. One end of each longitudinal suspension beam is bolted to the passenger-carrying platform. A stiffening crossbeam is fixedly connected between every two adjacent longitudinal suspension beams. The traveling frame includes two pairs of traveling rubber wheels, two transverse load-bearing beams, two longitudinal connecting beams, and rotatable connectors. The two ends of the two longitudinal connecting beams are fixedly connected to the two transverse load-bearing beams, forming a "well" shaped structure. A rotatable connector is fixedly connected to the other end of each longitudinal suspension beam. Each transverse load-bearing beam passes through two rotatable connectors sequentially and is sleeved with them. This allows for the installation of the traveling frame and the personnel-carrying basket. The traveling rubber wheel device includes a traveling rubber wheel, a rubber wheel axle, and a rubber wheel support rod. The rubber wheel axle passes through the traveling rubber wheel and is rotatably connected to it. A rubber wheel support rod is fixed to each end of the rubber wheel axle. Every two rubber wheel support rods form a group, for a total of four groups, which are respectively fixedly connected to the ends of two transverse load-bearing beams. The power system includes an electric basket hoist, a traction rope, a guide pulley, and an electric switch. The electric basket hoist is fixedly connected to the front side of the personnel-carrying basket. The guide pulley is installed on the transverse load-bearing beam. The traction rope is wound around the winch of the electric basket hoist and passes over the guide pulley. Its end is fixedly connected to the anchor point. The electric switch is installed inside the personnel-carrying basket and controls the opening and closing of the electric basket hoist. The lower part of the longitudinal suspension beam is provided with a row of adjustment screw holes, and the two sides of the passenger board are each provided with a row of adjustment screw holes. The flatness of the passenger board is adjusted by fixing the adjustment screw holes at different positions.

2. The bridge maintenance trolley according to claim 1, characterized in that, The electric hoist can rotate in both forward and reverse directions.

3. The bridge maintenance trolley according to claim 1, characterized in that, The rotation direction of the guide pulley is the same as the rotation direction of the traveling rubber wheel.

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