Movable welding platform for flat connecting pipes of steel pipe truss arch

Abstract

The utility model relates to a movable welding platform for a steel pipe truss arch flat connecting pipe. The platform comprises a frame type construction platform, a bottom supporting structure and a crawling ladder. The frame type construction platform comprises a first frame and a second frame which are rotationally connected, and the bottom of the first frame and the bottom of the second frame are fixedly connected with a first construction platform and a second construction platform correspondingly. Semicircular grooves are formed in the sides, close to each other, of the first frame and the second frame correspondingly, semicircular grooves are formed in the sides, close to each other, of the first construction platform and the second construction platform correspondingly, and after the first frame and the second frame are closed, the parallel connection pipes are wrapped in the circular grooves. The bottom supporting structure is arranged at the bottom of the frame type construction platform. The frame type construction platform has the advantages that the frame type construction platform can wrap the steel pipe truss arch flat connecting pipe, welding operation is convenient and safe, construction quality can be guaranteed, and construction efficiency is improved; the welded frame type construction platform can be opened, the platform can be conveniently separated from the steel pipe truss, the construction platform can be ridden on steel pipes, and the stability of the platform is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a steel structure bridge technical field, concretely relates to a steel pipe truss arch flat link pipe movable welding platform. BACKGROUND

[0002] Steel pipe concrete arch bridge is widely used in bridge design because of its superior mechanical properties and aesthetic appearance. In order to obtain the necessary structural stiffness of arch rib, steel pipe arch rib mostly adopts curved truss structure. When assembling on site, due to its high truss height and narrow width, horizontal assembly method is mostly used. Steel pipe truss arch flat link pipe is the pipe connecting two steel pipe trusses. In horizontal assembly construction, two horizontal seams connecting the flat link pipe and the steel pipe truss need to be welded, and sufficient welding platform should be provided in the complex truss structure, and the platform should be movable to ensure the convenience of construction.

[0003] In the construction of this part of the prior art, the ladder is often leaned against the steel beam, and the personnel stand on the ladder to weld. Using the ladder to weld against the steel beam, the worker needs to constantly move the ladder, and at some positions, the ladder cannot be placed, so the worker needs to weld by stepping on the steel pipe. The construction safety and construction quality cannot be guaranteed, and the construction efficiency is low and the convenience is poor. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to provide a steel pipe truss arch flat link pipe movable welding platform, which can solve the problems in the prior art, such as welding by leaning the ladder against the steel beam, constantly moving the ladder, welding by stepping on the steel pipe at some positions where the ladder cannot be placed, poor construction safety and construction quality, low construction efficiency, and poor convenience.

[0005] To solve the above technical problems, the technical scheme of the utility model is as follows: a frame type construction platform, a bottom support structure, and a ladder are included.

[0006] The frame type construction platform includes a first frame and a second frame connected by rotation, and the bottom of the first frame and the second frame is respectively fixedly connected with a first construction platform and a second construction platform, and the outer side of the first frame and the second frame is connected by rotation through a rotation structure.

[0007] The side of the first frame and the second frame close to each other is respectively provided with a semicircular groove, and the side of the first construction platform and the second construction platform close to each other is also respectively provided with a semicircular groove. The first frame and the second frame are opened and closed through the rotation structure. When the first frame and the second frame are closed, the semicircular grooves are butted to form a circular groove corresponding to the outer peripheral shape of the steel pipe truss arch flat link pipe. At this time, the steel pipe truss arch flat link pipe is wrapped in the circular groove. The first frame and the second frame are locked through a locking structure after being closed.

[0008] The bottom support structure is arranged at the bottom of the frame type construction platform.

[0009] The ladder is arranged on the front side of the bottom support structure and the frame type construction platform;

[0010] The bottom support structure and the ladder are supported by a bottom plate, and the bottom plate is provided with a plurality of pulleys.

[0011] Further, the rotating structure comprises a first mounting block, a second mounting block and a rotating shaft, the first mounting block is arranged above and below the outer side of the first frame, the second mounting block is arranged above and below the outer side of the second frame, the first mounting block and the second mounting block are respectively provided with a first through hole, and the first through holes of the first mounting block and the second mounting block are arranged correspondingly, and the rotating shaft is vertically arranged through the first through holes.

[0012] Further, the locking structure comprises a first locking block, a second locking block and a pin shaft, the first locking block is arranged above and below one side of the first frame, the second locking block is arranged above and below one side of the second frame, one side of the locking structure is arranged opposite to one side of the rotating structure, the first locking block and the second locking block are respectively provided with a second through hole, and the second through holes of the first locking block and the second locking block are arranged correspondingly, and the pin shaft is transversely arranged through the second through holes.

[0013] Further, the bottom support structure comprises an arc-shaped plate, a vertical plate and a support plate, the support plate is vertically fixed to the bottom of the first construction platform, a plurality of support plates are arranged at intervals, the support plate is provided with a recessed area below one side close to the second construction platform, the vertical plate and the arc-shaped plate are arranged in the recessed area, the vertical plate is connected to the bottom of the arc-shaped plate, and the vertical plate and the arc-shaped plate are connected and fixed to the plurality of support plates, the arc-shaped plate is provided with a semicircular notch corresponding to the semicircular groove on the first construction platform, and the arc-shaped plate is arranged corresponding to the shape of the steel pipe connected with the flat connection pipe.

[0014] After the above structure is adopted, the frame type construction platform is used for welding construction, the platform area is larger than that of the ladder, the platform does not need to be frequently moved, the frame type construction platform can wrap the steel pipe truss flat connection pipe, the worker stands on the construction platform to perform welding operation, does not need to step on the steel pipe to weld, the welding operation is convenient and safe, the construction quality can be guaranteed, and the construction efficiency is improved.

[0015] The arc-shaped plate of the bottom support structure is arranged corresponding to the shape of the steel pipe connected with the flat connection pipe, so that the arc-shaped plate is attached to the steel pipe, the construction platform can be ridden on the steel pipe, and the stability of the platform is guaranteed.

[0016] The front side of the construction platform is provided with the ladder, so that the worker can enter the construction platform conveniently, and the lower part of the construction platform is provided with the pulley, so that the construction platform can be moved conveniently.

[0017] The frame type construction platform comprises a first frame and a second frame connected in rotation, and the bottom of the first frame and the second frame is fixedly connected with a first construction platform and a second construction platform respectively, and the welded platform can be opened, thereby facilitating separation of the platform from the steel pipe truss. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a connection structural schematic view of the first frame and the second frame of the utility model;

[0020] Figure 3 It is a use state view of the steel pipe truss arch flat connection pipe movable welding platform of the utility model. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below by combining with the drawings and specific implementation manners. The following examples can make the technical personnel of the profession more comprehensively understand the utility model, but the utility model is not limited in the range of the examples.

[0022] As shown in the drawings, Figure 1 The specific implementation manner adopts the technical scheme as follows: comprising a frame type construction platform 1, a bottom support structure 2 and a ladder 3.

[0023] The frame type construction platform 1 comprises a first frame 11 and a second frame 12 connected in rotation, and the bottom of the first frame 11 and the second frame 12 is fixedly connected with a first construction platform 13 and a second construction platform 14 respectively, and the outer side of the first frame 11 and the second frame 12 is connected in rotation through a rotating structure.

[0024] As shown in the drawings, Figure 2 The rotating structure comprises a first mounting block 15, a second mounting block 16 and a rotating shaft 17, the outer side of the first frame 11 is provided with the first mounting block 15 above and below respectively, the outer side of the second frame 12 is provided with the second mounting block 16 above and below respectively, the first mounting block 15 and the second mounting block 16 are respectively provided with a first through hole, and the first through holes on the first mounting block 15 and the second mounting block 16 are correspondingly arranged, the rotating shaft 17 is vertically arranged through the first through hole, and the second frame 12 drives the second mounting block 16 to rotate around the rotating shaft 17.

[0025] The side of the first frame 11 and the second frame 12 close to each other is respectively provided with a semicircular groove 18, and the side of the first construction platform 13 and the second construction platform 14 close to each other is also respectively provided with a semicircular groove 18, and the first frame 11 and the second frame 12 are opened and closed through the rotating structure, as Figure 3As shown, the first frame 11 and the second frame 12 are closed to form a circular groove corresponding to the outer shape of the steel pipe truss flat arch pipe 10, at this time the steel pipe truss flat arch pipe 10 is wrapped in the circular groove, and the first frame 11 and the second frame 12 are locked by the locking structure after being closed.

[0026] The locking structure includes a first locking block 19, a second locking block 110 and a pin shaft, the first locking block 19 is installed on the upper side and the lower side of the first frame 11, the second locking block 110 is installed on the upper side and the lower side of the second frame 12, the side on which the locking structure is installed is arranged opposite to the side on which the rotating structure is installed, the first locking block 19 and the second locking block 110 are respectively provided with second through holes, the second through holes on the first locking block 19 and the second locking block 110 are correspondingly arranged, and the pin shaft is transversely arranged through the second through holes to lock the first frame 11 and the second frame 12 by the first locking block 19, the second locking block 110 and the pin shaft.

[0027] The rotating structure and the locking structure are arranged between the first frame 11 and the second frame 12, the first frame 11 and the second frame 12 are closed when the frame type construction platform 1 is used, the first construction platform 13 and the second construction platform 14 are closed and fixed, so that the platform wraps the entire flat pipe 10, the workers carry out welding work on the platform, and the first frame 11 and the second frame 12 can be opened after the flat pipe 10 is welded.

[0028] The bottom support structure 2 is arranged at the bottom of the frame type construction platform 1, the bottom support structure 2 includes an arc-shaped plate 21, a vertical plate 22 and a support plate 23, the support plate 23 is vertically fixed at the bottom of the first construction platform 13, a plurality of support plates 23 are arranged at intervals, the side near the second construction platform 14 of the support plate 23 is provided with a recessed area at the lower side, the vertical plate 22 and the arc-shaped plate 21 are arranged in the recessed area, the vertical plate 22 is connected to the bottom of the arc-shaped plate 21, and the vertical plate 22 and the arc-shaped plate 21 connect and fix the plurality of support plates 23, the arc-shaped plate 21 is provided with a semicircular notch corresponding to the semicircular groove on the first construction platform 13, and the arc-shaped plate 21 is arranged corresponding to the shape of the steel pipe 20 connected to the flat pipe 10.

[0029] The ladder 3 is arranged obliquely at the front side of the bottom support structure 2 and the frame type construction platform 1, and the bottom support structure 2 and the ladder 3 are supported by the bottom plate 4, and the bottom of the bottom plate 4 is provided with a plurality of pulleys.

[0030] Working principle: when welding the steel pipe truss flat link pipe 10, the steel pipe truss is laid horizontally, the flat link pipe 10 is in vertical state, the steel pipe truss is supported through the jig support, the construction platform is moved to the welding position of the flat link pipe 10 through the pulley arranged at the bottom, the construction platform is convenient to move, the front side of the construction platform is provided with the ladder 3, the worker is convenient to enter the construction platform, the first frame 11 and the second frame 12 of the construction platform are closed and fixed, the platform is wrapped around the whole flat link pipe 10, then the worker carries out the welding work on the platform, the welding is carried out without stepping on the steel pipe 20, the welding operation is convenient and safe, the construction quality can be guaranteed, the platform can provide enough construction platform for the welder, the platform does not need to be moved frequently, the construction efficiency is improved, the flat link pipe 10 can be opened after welding, the platform is separated from the steel pipe truss, the arc-shaped plate 21 of the bottom support structure 2 is arranged corresponding to the shape of the steel pipe 20, so that the arc-shaped plate 21 is attached to the steel pipe 20, the construction platform can be ridden on the steel pipe 20, the stability of the platform is guaranteed.

[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A steel tube truss arch flat joint pipe movable welding platform, characterized in that: The frame construction platform, the bottom support structure and the ladder are provided. The frame construction platform comprises a first frame and a second frame connected by a rotating structure, and the first frame and the second frame are respectively provided with a first construction platform and a second construction platform. The first frame and the second frame are respectively provided with a semicircular groove on the side close to each other, and the first construction platform and the second construction platform are also respectively provided with a semicircular groove on the side close to each other. The bottom support structure is arranged at the bottom of the frame construction platform. The ladder is arranged on the front side of the bottom support structure and the frame construction platform. The bottom support structure and the ladder are supported by a bottom plate.

2. The movable welding platform for the flat connection pipe of the steel pipe truss arch, according to claim 1, characterized in that: The rotating structure comprises a first mounting block, a second mounting block and a rotating shaft.

3. The movable welding platform for the flat connection pipe of the steel pipe truss arch, according to claim 1, characterized in that: The first frame is provided with a first mounting block above and below the outer side, and the second frame is provided with a second mounting block above and below the outer side.

4. The movable welding platform for the flat connection pipe of the steel pipe truss arch, according to claim 1, characterized in that: The first mounting block and the second mounting block are respectively provided with a first through hole, and the first through holes of the first mounting block and the second mounting block are arranged correspondingly. The locking structure comprises a first locking block, a second locking block and a pin shaft. The first frame is provided with a first locking block above and below one side, and the second frame is provided with a second locking block above and below one side. The side of the mounting locking structure is arranged opposite to the side of the mounting rotating structure. The first locking block and the second locking block are respectively provided with a second through hole, and the second through holes of the first locking block and the second locking block are arranged correspondingly. The bottom support structure comprises an arc plate, a vertical plate and a support plate. The support plate is vertically fixed to the bottom of the first construction platform. The support plate is provided with an inward area below the side close to the second construction platform. The vertical plate and the arc plate are arranged in the inward area. The vertical plate is connected to the bottom of the arc plate. The arc plate is provided with a semicircular notch corresponding to the semicircular groove on the first construction platform. The arc plate is arranged corresponding to the shape of the steel pipe connected with the flat pipe.

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