CN216405125U

CN216405125U - Device for maintaining upper surface of bridge steel box arch

Info

Publication number: CN216405125U
Application number: CN202122788425.1U
Authority: CN
Inventors: 陈锋; 张新; 于伟伟; 吴向东; 余峰; 张曙光; 林勇; 王晓庆; 郝明其; 王新拓
Original assignee: Mechanical And Electrical Installation Engineering Co Ltd Of China Coal No3 Construction Group Corp ltd; China Coal No 3 Construction Group Co Ltd
Current assignee: Mechanical And Electrical Installation Engineering Co Ltd Of China Coal No3 Construction Group Corp ltd; China Coal No 3 Construction Group Co Ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-29
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a device for maintaining the upper surface of a bridge steel box arch, which comprises a steel box arch, wherein two sides of the bottom of the steel box arch are fixedly connected with a steel box arch foundation, one side of the steel box arch is provided with a winch fixedly connected with the top of the steel box arch foundation, the winch is provided with a traction rope, the other end of the traction rope is fixedly connected with a movable working platform, the movable working platform is positioned at the top of the steel box arch and can move along the steel box arch, the steel box arch is fixedly connected with a plurality of guide wheels, one side of the movable working platform, which is close to the steel box arch, is fixedly connected with a mounting frame, the inner wall of the mounting frame is fixedly connected with symmetrically distributed mounting plates, one side of the mounting plates, which is close to the steel box arch, is provided with symmetrically distributed travelling wheels, the outer walls of two sides of the mounting frame are fixedly connected with symmetrically distributed support plates, and one side, which is close to the support plate steel box arch, is fixedly provided with an anti-deviation pulley. The utility model can ensure that the movable working platform stably moves on the steel box arch, prevents toppling and improves the safety of workers.

Description

Device for maintaining upper surface of bridge steel box arch

Technical Field

The utility model relates to the field of bridges, in particular to a device for maintaining the upper surface of a bridge steel box arch.

Background

Along with the continuous expansion of the market of steel structure bridges, the application of steel box arch structures in the steel structure bridges is more and more, and single arch bridges and double arch bridges are visible everywhere.

This application improves under prior art, among the prior art, a large amount of welding operation and later maintenance are carried out to the needs of steel box arch in the engineering installation, often need arch the surface operation at the steel box, often utilize large-scale crane to hang and establish the hanging flower basket and carry out the operation in the past, every station all need move a crane, waste time is waste fund again promptly, and wide section a bit, the miniature crane of steel box arch of big rise can't carry out the operation, large-scale crane takes up an area of again big, seriously influence the traffic during later maintenance, but some topography is not convenient for or can't utilize the crane operation even.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for maintaining the upper surface of a bridge steel box arch, which solves the problems in the prior art.

In order to achieve the purpose, the utility model provides a device for maintaining the upper surface of a bridge steel box arch, which comprises a steel box arch, wherein two sides of the bottom of the steel box arch are fixedly connected with a steel box arch foundation, one side of the steel box arch is provided with a winch fixedly connected with the top of the steel box arch foundation, the winch is provided with a traction rope, the other end of the traction rope is fixedly connected with a movable working platform, the movable working platform is positioned at the top of the steel box arch and can move along the steel box arch, the steel box arch is fixedly connected with a plurality of guide wheels, one side of the movable working platform, which is close to the steel box arch, is fixedly connected with a mounting frame, the inner wall of the mounting frame is fixedly connected with symmetrically distributed mounting plates, one side of the mounting plate, which is close to the steel box arch, is provided with symmetrically distributed travelling wheels, the travelling wheels are in rolling connection with the upper surface of the steel box arch, and the outer walls of two sides of the mounting frame are fixedly connected with symmetrically distributed support plates, and one side of the support plate, which is close to the steel box arch, is fixedly provided with an anti-deviation pulley, and the anti-deviation pulley is in rolling connection with the side wall of the steel box arch.

In a preferred embodiment, the movable working platform and the mounting frame are of an integral structure, the top of the movable working platform is fixedly connected with a connecting belt, the outer wall of the connecting belt is sleeved with a connecting ring, and the connecting ring is fixedly connected with the traction rope.

In a preferred embodiment, a first guide wheel is fixedly connected to the top of the steel box arch, and the first guide wheel is slidably connected with the traction rope.

In a preferred embodiment, the two sides below the first guide wheel are provided with symmetrically distributed second guide wheels, the second guide wheels are fixedly connected with the steel box arch, and the second guide wheels are connected with the traction rope in a sliding manner.

In a preferred embodiment, the bottom of installing frame is provided with anti-toppling mechanism, anti-toppling mechanism includes the anti-toppling plate, the bottom fixed connection of anti-toppling plate and installing frame, the last fixedly connected with solid fixed cylinder of anti-toppling plate, the top inner wall of solid fixed cylinder rotates and is connected with the screw rod, the one end fixedly connected with motor at solid fixed cylinder stretched out the anti-toppling plate top, the output shaft and the screw rod fixed connection of motor, the outer wall threaded connection of screw rod has the sleeve pipe, sheathed tube bottom fixedly connected with U-shaped board, U-shaped inboard internal rotation is connected with anti-toppling pulley.

In a preferred embodiment, the both sides of screw rod are equipped with the guide arm of symmetric distribution, and the top inner wall fixed connection of guide arm and fixed cylinder, and the outer wall sliding connection of guide arm has the slider, and slider and sleeve pipe fixed connection, and the one end fixedly connected with stopper that the guide arm stretches out the slider bottom.

In a preferred embodiment, the support plates are L-shaped, the two support plates are respectively positioned on the front side and the rear side of the steel box arch, the travelling wheels are made of nylon materials, and the anti-deviation pulleys are universal wheels.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, by arranging the winch, the plurality of guide wheels, the steel wire rope, the movable working platform, the walking pulley and the anti-deviation pulley, when the winch is started, the winch roller on the winch rotates to wind the traction rope, the traction rope guides the movable working platform through the guide wheels to enable the movable working platform to stably slide up and down along the curve of the steel box arch, the anti-deviation pulley is used for controlling the movable working platform to swing left and right, personnel can work in the movable working platform, and after the work on one side of the steel box arch is finished, the other side of the steel box arch can be worked after the movable working platform and the winch are replaced, so that the surface of the steel box arch can be conveniently derusted and maintained;

2. in the utility model, the anti-toppling mechanism is arranged at the bottom of the mounting frame, so that when the movable working platform moves upwards, because the traction direction of the traction rope is unchanged, when the movable working platform is at different positions on the traction rope, the phenomenon of toppling occurs, so that a group of travelling wheels positioned above is separated from the surface of the steel box arch, when the movable working platform is inclined to a certain degree, the anti-inclination pulley is contacted with the surface of the steel box arch, at the moment, the motor is started, the output shaft of the motor rotates to drive the screw rod to rotate so as to drive the sleeve to move, so that the sleeve drives the U-shaped plate to move and further drives the anti-tilting pulley to move, the anti-tilting pulley rotates in the movement and the movable working platform rotates gradually, and a group of walking wheels above gradually approach the steel box arch until contacting, so that the movable working platform is prevented from toppling in the moving process, and the safety of workers is improved.

Drawings

FIG. 1 is a schematic structural diagram of the device for maintaining the upper surface of a bridge steel box arch;

FIG. 2 is a schematic mounting diagram of a travelling wheel of the device for maintaining the upper surface of a bridge steel box arch;

FIG. 3 is a schematic view of the installation of the deflection-preventing pulley of the device for maintaining the upper surface of the steel box arch of the bridge of the utility model;

FIG. 4 is a schematic structural view of a mobile working platform of the device for maintaining the upper surface of the steel box arch of the bridge;

FIG. 5 is a schematic installation diagram of an anti-toppling mechanism of the device for maintaining the upper surface of the steel box arch of the bridge;

fig. 6 is a schematic view of the internal structure of the fixed cylinder of the device for maintaining the upper surface of the steel box arch of the bridge.

Description of reference numerals:

the anti-tilting device comprises a steel box arch foundation 1, a steel box arch 2, a winch 3, a traction rope 4, a first guide wheel 5, a second guide wheel 6, a movable working platform 7, a mounting plate 8, a walking wheel 9, a support plate 10, an anti-tilting pulley 11, a mounting frame 12, a connecting belt 13, a connecting ring 14, an anti-tilting plate 15, a fixing cylinder 16, a motor 17, a U-shaped plate 18, an anti-tilting pulley 19, a screw rod 20, a sleeve 21, a guide rod 22, a sliding block 23, a limiting block 24 and an anti-tilting mechanism 25.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise expressly specified or limited. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, the device for maintaining the upper surface of the bridge steel box arch comprises a steel box arch 2, wherein two sides of the bottom of the steel box arch 2 are fixedly connected with steel box arch foundations 1, one side of the steel box arch 2 is provided with a winch 3 fixedly connected with the top of the steel box arch foundation 1, and the winch 3 is provided with a traction rope 4. The other end and the portable work platform 7 fixed connection of haulage rope 4, and portable work platform 7 is located the top that the steel case encircles 2 to can encircle 2 removal along the steel case, in order to carry out the operation construction. The steel box arch 2 is fixedly connected with a plurality of guide wheels which are respectively connected with the steel wire ropes in a sliding manner. One side fixedly connected with installing frame 12 that portable work platform 7 is close to steel box arch 2, the inner wall fixedly connected with mounting panel 8 of installing frame 12 symmetric distribution, the walking wheel 9 of symmetric distribution is installed to one side that mounting panel 8 is close to steel box arch 2, and walking wheel 9 and steel box arch 2's upper surface roll connection. The outer walls of two sides of the mounting frame 12 are fixedly connected with support plates 10 which are symmetrically distributed, one side of each support plate 10, which is close to the steel box arch 2, is fixedly provided with a deviation-proof pulley 11, and the deviation-proof pulleys 11 are in rolling connection with the side wall of the steel box arch 2.

Further, the movable working platform 7 and the mounting frame 12 are of an integral structure, the top of the movable working platform 7 is fixedly connected with a connecting belt 13, the outer wall of the connecting belt 13 is sleeved with a connecting ring 14, and the connecting ring 14 is fixedly connected with the traction rope 4.

Further, the top of the steel box arch is fixedly connected with a first guide wheel 5, and the first guide wheel 5 is connected with the traction rope 4 in a sliding mode. And two sides below the first guide wheels 5 are provided with second guide wheels 6 which are symmetrically distributed, the second guide wheels 6 are fixedly connected with the steel box arch 2, and the second guide wheels 6 are in sliding connection with the traction ropes 4.

Furthermore, the walking wheels 9 are made of nylon materials, and the anti-deviation pulleys 11 are universal wheels and made of nylon materials.

Example 2

In a preferred embodiment, the anti-toppling mechanism 25 is disposed at the bottom of the mounting frame 12, the anti-toppling mechanism 25 includes an anti-toppling plate 15, the anti-toppling plate 15 is fixedly connected to the bottom of the mounting frame 12, a fixed cylinder 16 is fixedly connected to the anti-toppling plate 15, a screw 20 is rotatably connected to the inner wall of the top of the fixed cylinder 16, and a motor 17 is fixedly connected to one end of the fixed cylinder 16, which extends out of the top of the anti-toppling plate 15.

Further, the output shaft of motor 17 and screw rod 20 fixed connection, screw rod 20's outer wall threaded connection has sleeve 21, sleeve 21's bottom fixedly connected with U-shaped plate 18, the internal rotation of U-shaped plate 18 is connected with prevents slope pulley 19, screw rod 20's both sides are equipped with the guide arm 22 of symmetric distribution, and guide arm 22 and the top inner wall fixed connection of fixed section of thick bamboo 16, the outer wall sliding connection of guide arm 22 has slider 23, and slider 23 and sleeve 21 fixed connection, the one end fixedly connected with stopper 24 that guide arm 22 stretches out the slider 23 bottom.

Example 3

The working principle of the utility model is specifically as follows:

when the movable type steel box arch derusting machine is used, the winch 3 is started, the winch drum on the winch 3 rotates to wind the traction rope 4, the traction rope 4 is guided by the first guide wheel 5 and the second guide wheel 6 to pull the movable type working platform 7, so that the movable type working platform 7 stably slides up and down along the curve of the steel box arch 2, the deviation prevention pulley 11 is used for controlling the movable type working platform 7 to swing left and right, personnel operate in the movable type working platform 7, after the operation on one side of the steel box arch 2 is finished, the other side of the steel box arch 2 can be operated after the position of the movable type working platform 7 and the winch 3 is changed, and the derusting maintenance on the surface of the steel box arch is facilitated;

in the application, in the upward movement process of the movable working platform 7, because the traction direction of the traction rope 4 is unchanged, when the movable working platform 7 is at different positions on the traction rope 4, the dumping phenomenon occurs, so that the group of travelling wheels 9 positioned above are separated from the surface of the steel box arch 2, when the movable working platform 7 is dumped to a certain degree, the anti-tilting pulley 19 is in surface contact with the steel box arch 2, at the moment, the motor 17 is started, the output shaft of the motor 17 rotates to drive the screw rod 20 to rotate and further drive the sleeve 21 to move, so that the sleeve 21 drives the U-shaped plate 18 to move and further push the anti-tilting pulley 19 to move, the anti-tilting pulley 19 rotates in the movement and enables the movable working platform 7 to gradually rotate, and the group of travelling wheels 9 positioned above gradually approach towards the steel box arch 2 until contact, so as to prevent dumping in the movement process of the movable working platform 7, the safety of the working personnel is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a device that is used for bridge steel box to encircle upper surface to maintain, includes steel box arch (2), its characterized in that: the bottom of the steel box arch (2) is fixedly connected with a steel box arch foundation (1), one side of the steel box arch (2) is provided with a winch (3) fixedly connected with the top of the steel box arch foundation (1), the winch (3) is provided with a traction rope (4), the other end of the traction rope (4) is fixedly connected with a movable working platform (7), the movable working platform (7) is positioned at the top of the steel box arch (2) and can move along the steel box arch (2), the steel box arch (2) is fixedly connected with a plurality of guide wheels, the movable working platform (7) is close to one side of the steel box arch (2) and is fixedly connected with a mounting frame (12), the inner wall of the mounting frame (12) is fixedly connected with mounting plates (8) which are symmetrically distributed, and the mounting plates (8) are close to one side of the steel arch box (2) and are provided with symmetrically distributed travelling wheels (9), and the walking wheels (9) are in rolling connection with the upper surface of the steel box arch (2), the outer walls of the two sides of the mounting frame (12) are fixedly connected with supporting plates (10) which are symmetrically distributed, one side of each supporting plate (10) close to the steel box arch (2) is fixedly provided with an anti-deviation pulley (11), and the anti-deviation pulley (11) is in rolling connection with the side wall of the steel box arch (2).

2. The apparatus for maintenance of the upper surface of a bridge steel box arch of claim 1, wherein: portable work platform (7) and installing frame (12) structure as an organic whole, the top fixedly connected with connecting band (13) of portable work platform (7), go-between (14) have been cup jointed to the outer wall of connecting band (13), and go-between (14) and haulage rope (4) fixed connection.

3. The apparatus for maintenance of the upper surface of a bridge steel box arch of claim 1, wherein: the top of the steel box arch (2) is fixedly connected with a first guide wheel (5), and the first guide wheel (5) is in sliding connection with the traction rope (4).

4. The apparatus for maintenance of the upper surface of a bridge steel box arch of claim 3, wherein: and the two sides of the lower part of the first guide wheel (5) are provided with second guide wheels (6) which are symmetrically distributed, the second guide wheels (6) are fixedly connected with the steel box arch (2), and the second guide wheels (6) are connected with the traction rope (4) in a sliding manner.

5. The apparatus for maintenance of the upper surface of a bridge steel box arch of claim 1, wherein: the utility model discloses a take-up frame, including installing frame (12), the bottom of installing frame (12) is provided with prevents empting mechanism (25), prevent empting mechanism (25) including preventing empyrosis board (15), prevent empyrosis board (15) and the bottom fixed connection of installing frame (12), fixedly connected with solid fixed cylinder (16) on preventing empyrosis board (15), the top inner wall of solid fixed cylinder (16) rotates and is connected with screw rod (20), gu fixed cylinder (16) stretch out one end fixedly connected with motor (17) at empyrosis board (15) top, the output shaft and screw rod (20) fixed connection of motor (17), the outer wall threaded connection of screw rod (20) has sleeve pipe (21), the bottom fixedly connected with U-shaped plate (18) of sleeve pipe (21), U-shaped plate (18) internal rotation is connected with prevents inclining pulley (19).

6. The apparatus for maintenance of the upper surface of a bridge steel box arch of claim 5, wherein: the two sides of the screw rod (20) are provided with guide rods (22) which are symmetrically distributed, the guide rods (22) are fixedly connected with the inner wall of the top of the fixed cylinder (16), the outer wall of the guide rods (22) is connected with a sliding block (23) in a sliding mode, the sliding block (23) is fixedly connected with the sleeve (21), and the guide rods (22) extend out of one end of the bottom of the sliding block (23) and are fixedly connected with limiting blocks (24).

7. The apparatus for maintenance of the upper surface of a bridge steel box arch of claim 1, wherein: the supporting plates (10) are L-shaped, the two groups of supporting plates (10) are respectively positioned on the front side and the rear side of the steel box arch (2), the walking wheels (9) are made of nylon materials, and the anti-deviation pulleys (11) are universal wheels.