CN217710352U

CN217710352U - Bridge cantilever arm welding operation platform

Info

Publication number: CN217710352U
Application number: CN202221633052.9U
Authority: CN
Inventors: 张新; 封河洋; 王斌; 惠朝阳; 高振斌
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: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-11-01
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses an arm welding work platform is chosen to bridge belongs to welding set technical field, including the card can be along the gliding slider of bridge orientation on choosing the arm, slider includes the guardrail of a vertical installation, and the guardrail is from last to having set gradually equidirectional slide bracket and work platform down, and the equal level of slide bracket and work platform sets up, and the one end that the cat ladder was kept away from to slide bracket is provided with the counterweight, and slider keeps the level stable under the counterweight. The utility model reduces the using amount of the crane and greatly saves the construction cost; personnel are welded at the relative fixed positions, so that the construction quality is convenient to ensure; the device moves the convenience, and two people can easily promote, can carry out the full-bridge each and pick arm position welding and bolt-up at any time, and mobility is high, the site operation management and control of being convenient for.

Description

Bridge cantilever arm welding operation platform

Technical Field

The utility model relates to a welding set technical field, the disclosure relates to a welding set, more specifically relates to a bridge cantilever arm welding work platform.

Background

The main bridge deck beam of the inclined span steel box arch bridge consists of cantilever arms, main longitudinal beams, small cross beams, large cross beams, bridge decks and other members. In order to facilitate transportation, the cantilever arms, the main longitudinal beams and other components are transported to a construction site in a segmented and separated mode, the components need to be assembled and welded during installation, main vertical seams formed by the cantilever arms and the main longitudinal beams are welded below the bridge deck, welding is inconvenient, and meanwhile a large number of high-strength bolts need to be fastened at the U rib parts when the two sections of cantilever arms are connected.

Generally, a crane and a hanging basket or a gangplank are adopted for construction, the construction cost of the crane and hanging basket method is very high, the construction quality is not easy to guarantee due to the swinging of the hanging basket during welding, the maneuverability is poor, and the crane needs to be moved back and forth during weld seam flaw detection, bolt fastening and weld seam repair welding, so that the construction is very inconvenient; the gangplank construction is according to full-bridge structural style, need all take the gangplank all around the full-bridge, takes simultaneously and jumps horizontal length still needs to satisfy the condition of bolt-up, and the gangplank consumptive material is many and the security is lower.

The utility model provides a new solution to above problem, design a special device, it is convenient to move, stable in structure, and construction convenience, according to the principle of taking the springboard, design an activity construction platform and hang on the outrigger, the platform with outrigger contact surface arrangement directional wheel, through promoting the device conversion construction position.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome at least one in the above-mentioned shortcoming, provide a swift, efficient bridge that the arm part welding was picked, U rib connecting bolt fastens and pick arm welding work platform.

The purpose of the utility model can be achieved by adopting the following technical scheme:

the utility model provides an arm welding operation platform is chosen to bridge, can be along the gliding slider of bridge orientation including the card on choosing the arm, slider includes the guardrail of a vertical installation, and the guardrail sets gradually equidirectional slide bracket and work platform from last to down, and the equal level of slide bracket and work platform sets up, and the one end that the cat ladder was kept away from to slide bracket is provided with the counterweight, and slider keeps the level stability under the counterweight.

Preferably, an inclined first inclined bracing is connected between the ladder stand and the sliding platform.

Preferably, an inclined second inclined bracing is connected between the ladder stand and the working platform.

Preferably, the bottom of the sliding platform is provided with a plurality of directional wheels which can enable the sliding platform to slide along the bridge direction.

Preferably, the ladder stand is provided with a guardrail.

Preferably, the outer side of the working platform is provided with a railing.

The utility model has the advantages of: according to the bridge cantilever arm welding operation platform, the using amount of a crane is reduced, and the construction cost is greatly saved; personnel are welded at the relative fixed positions, so that the construction quality is convenient to ensure; the device is convenient to move, can be easily pushed by two persons, can weld and fasten bolts at each cantilever arm position of the full bridge at any time, has high maneuverability, and is convenient for field construction management and control; the damage to an anticorrosive coating outside the box body is reduced; the difficulty of dismantling auxiliary facilities after the installation of the cantilever arm is reduced.

Drawings

In the drawings, the following are given by way of example and without limitation:

fig. 1 shows a schematic view of the overall installation structure of an embodiment of the present invention;

figure 2 shows a schematic cross-sectional view of a deck portion of an embodiment of the invention;

fig. 3 shows a front view of the overall structure of an embodiment of the present invention;

fig. 4 shows an overall structural schematic diagram of an embodiment of the present invention.

In the figure: 1 is the cat ladder, and 2 are the guardrail, and 3 are first oblique bracing, and 4 are directional wheels, and 5 are the counterweight, and 6 are the railing, and 7 are the second oblique bracing, and 8 are work platform, and 9 are sliding platform, and 11 are little longerons, 12 are little crossbeam, and 13 is the big crossbeam, and 14 are decking.

Detailed Description

In the following detailed disclosure, reference is made to the accompanying drawings, which are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

As shown in fig. 1-4, in an embodiment, a bridge cantilever arm welding operation platform includes a sliding device clamped on a cantilever arm and capable of sliding along a bridge direction, the sliding device includes a vertically installed guardrail 2, the guardrail 2 is sequentially provided with a sliding platform 9 and a working platform 8 in the same direction from top to bottom, both the sliding platform 9 and the working platform 8 are horizontally arranged, one end of the sliding platform 9, which is far away from a ladder stand 1, is provided with a counterweight 5, and the sliding device keeps horizontal stability under the counterweight of the counterweight 5.

The bridge cantilever welding operation platform reduces the using amount of a crane, and greatly saves the construction cost; personnel are welded at the relative fixed positions, so that the construction quality is convenient to ensure; the device is convenient to move, can be easily pushed by two persons, can weld and fasten bolts at each cantilever arm position of the full bridge at any time, has high maneuverability, and is convenient for field construction management and control; the damage to the external anticorrosive coating of the box body is reduced; the difficulty of dismantling auxiliary facilities after the cantilever arm is installed is reduced.

As shown in fig. 2, the main bridge deck beam of the inclined-span steel box arch bridge is composed of cantilever arms, main longitudinal beams, small longitudinal beams 11, small transverse beams 12, large transverse beams 13, bridge deck plates 14 and the like.

The sliding device is convenient to move, stable in structure and convenient to construct, a movable construction platform is designed to be hung on the cantilever according to the principle of taking a springboard, the contact surface of the platform and the cantilever is provided with the directional wheel, and the construction part is converted by pushing the device.

As shown in figure 1, according to the arm picking structure design a sliding device with the width of about 1m, the sliding device is clamped on the arm picking approximately in a U shape, the strength of the U-shaped device is increased by increasing a diagonal bracing, the configuration is increased at the upper end of a sliding platform 9 for increasing the stability, for flexible movement, the lower part of the device which is in contact with the arm picking upper contact surface and a vertical surface and is provided with a directional wheel 4.U type is a working platform 8 for welding the vertical joint of the arm picking and a main longitudinal beam, a U rib high-strength bolt is fastened, a railing 6 is arranged on the working platform 8 to ensure the safety of constructors, the constructors pass through the vertical surface from the bridge floor, the ladder 1 goes down to the working platform 8 for construction, and the safety coefficient is improved by arranging a guardrail 2 at the part of the ladder 1.

The use of a crane is greatly reduced, and the construction cost is greatly saved. And a large amount of time and construction cost are saved by installing the cantilever arm. A feasible construction scheme is provided for the operation under the platform and the operation under the beam.

These and other changes can be made to the embodiments in light of the above detailed description, and this written description includes examples of the best mode and discloses the invention. The scope of the present invention is defined by the appended claims, and the claims are not limited to the disclosure, and the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.

Claims

1. The utility model provides a bridge arm welding operation platform, a serial communication port, including the card can be along the gliding slider of bridge orientation on choosing the arm, slider includes guardrail (2) of a vertical installation, guardrail (2) from last to having set gradually equidirectional slide bracket (9) and work platform (8) down, slide bracket (9) and work platform (8) average level set up, the one end that cat ladder (1) was kept away from in slide bracket (9) is provided with counterweight (5), slider keeps the level stable under counterweight (5) counter weight.

2. The bridge cantilever welding work platform according to claim 1, wherein an inclined first diagonal brace (3) is connected between the ladder (1) and the sliding platform (9).

3. The bridge cantilever welding work platform according to claim 2, wherein an inclined second diagonal brace (7) is connected between the ladder (1) and the work platform (8).

4. The bridge cantilever welding work platform according to claim 1, wherein the bottom of the sliding platform (9) is provided with a plurality of directional wheels (4) which enable the sliding platform (9) to slide along the bridge direction.

5. The welding operation platform for the cantilever arm of the bridge according to claim 1, wherein a guardrail (2) is arranged on the ladder (1).

6. The bridge cantilever welding work platform according to claim 1, wherein a railing (6) is arranged on the outer side of the work platform (8).