阅读说明：本技术 一种钢箱梁施工平台及使用方法 (Steel box girder construction platform and use method ) 是由 袁卫国 李亚春 曾祥茂 罗祝君 姜迎 曹阳 吴剑锋 陈亦洋 刘小燕 苏庆焕 陈昂 于 2019-11-12 设计创作，主要内容包括：本发明涉及一种钢箱梁施工平台及使用方法,所述施工平台搭设在钢箱梁上部使用,包括设置在钢箱梁翼缘上的L形架体,所述L形架体水平段设置于钢箱梁翼缘上方,L形架体竖直段设置于钢箱梁翼缘水平外侧,所述L形架体竖直段底部设有操作平台,所述钢箱梁翼缘上部钢箱梁顶板上表面设有导向轨道。本发明可以代替传统脚手架、公路高空作业车、汽车吊加吊篮,可以减轻工人劳动强度,提高钢箱梁施工效率,并能够重复使用,属于一种新型的高空作业施工平台。(The invention relates to a steel box girder construction platform and a using method thereof, wherein the construction platform is erected on the upper part of a steel box girder and used, and comprises an L-shaped frame body arranged on the flange of the steel box girder, the horizontal section of the L-shaped frame body is arranged above the flange of the steel box girder, the vertical section of the L-shaped frame body is arranged on the horizontal outer side of the flange of the steel box girder, the bottom of the vertical section of the L-shaped frame body is provided with an operation platform, and the upper surface of the top plate of the steel box girder on the upper part of the flange of the steel box girder is provided with. The invention can replace the traditional scaffold, a highway high-altitude operation vehicle and a truck crane hanging basket, can reduce the labor intensity of workers, improve the construction efficiency of the steel box girder, can be repeatedly used, and belongs to a novel high-altitude operation construction platform.)

1. The steel box girder construction platform is characterized in that the construction platform is arranged on the upper portion of a steel box girder and comprises an L-shaped frame body (9) arranged on a flange (1) of the steel box girder, the horizontal section of the L-shaped frame body (9) is arranged above the flange (1) of the steel box girder, the vertical section of the L-shaped frame body (9) is arranged on the horizontal outer side of the flange (1) of the steel box girder, the bottom of the vertical section of the L-shaped frame body (9) is provided with an operation platform (5), the upper surface of a steel box girder top plate (11) on the upper portion of the flange (1) of the steel box girder is provided with a guide track (4), the middle section and the right side of the bottom of the L-shaped frame body (9) are respectively and uniformly provided with at least two frame connecting plates (7), the lower portions of the frame connecting plates (7) are all connected with roller seat connecting plates (8), the lower portions of the roller seat connecting plates (8) are provided with vertical frame pipes (10), the, frame pipe (10) on L shape support body (9) bottom right side are rotated and are equipped with cylinder gyro wheel (3), V type groove gyro wheel (2) cooperate with guide rail (4), V type groove gyro wheel (2) inslot contained angle and guide rail (4) contained angle all are the right angle, cylinder gyro wheel (3) and steel box girder roof board (11) upper surface cooperate, be equipped with counter weight groove (6) in L shape support body (9) right-hand member, counter weight groove (6) are equipped with the balancing weight.

2. The steel box girder construction platform of claim 1, wherein: l shape support body (9) and operation platform (5) are formed by the square pipe or the square steel welding of the horizontal direction of a plurality of, and the square pipe or the square steel direct welding of horizontal direction of indulging have the square pipe or the square steel of slope.

3. The steel box girder construction platform of claim 1, wherein: an opening facilitating the entry and exit of personnel is formed in the top of the operating platform (5).

4. The steel box girder construction platform of claim 1, wherein: the horizontal length of the operating platform (5) is less than the horizontal length of the L-shaped frame body (9).

5. The steel box girder construction platform of claim 1, wherein: frame pipe (10) bottom link up and is equipped with gyro wheel axle (12), V type groove gyro wheel (2)/cylinder gyro wheel (3) both ends are all rotated through deep groove ball bearing (14) and are connected gyro wheel axle (12), both sides be equipped with retaining ring (13) between deep groove ball bearing (14) and frame pipe (10) inner wall, gyro wheel axle (12) both ends protrusion frame pipe (10) part is equipped with axle and uses jump ring (15).

6. The steel box girder construction platform of claim 1, wherein: the frame connecting plate (7) and the roller seat connecting plate (8) are connected through bolts in a fastening mode, and spring washers are arranged in the bolts.

7. The use method of the steel box girder construction platform according to claim 1, characterized in that: during the use, confirm according to the actual load of construction platform that the counter weight inslot adds the counter weight, whole construction platform's focus must be on guide rail's right side, and operation platform crosspiece interval should guarantee that constructor can follow and pass operation platform, and this construction platform of manpower promotion can slide on steel case roof beam roof and carry out the operation.

Technical Field

The invention relates to the technical field of bridge construction, in particular to a steel box girder construction platform and a using method thereof.

Background

With the national vigorous popularization of fabricated buildings, the steel structure bridge has high construction speed, high processing precision and excellent tensile property, and the large-span steel box girder is more and more widely applied to municipal traffic engineering. Traditional technology segmentation piecemeal fracture welding sprays paint, the installation drain pipe, and construction such as installation and fastening bolt generally adopts to set up scaffold frame, highway high altitude construction car, and the truck crane adds the hanging flower basket and accomplishes, sets up the scaffold frame or add the hanging flower basket and take man-hour more, and increases construction cost, if in case touch the environment all around poor being unfavorable for setting up the scaffold frame, set up more troublesome, the above problem all needs urgent need to be improved.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects of the prior art and provides a steel box girder construction platform and a using method thereof, wherein the steel box girder construction platform is reasonable in structure, movable, convenient to construct and capable of reducing construction cost.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: a steel box girder construction platform is erected on the upper portion of a steel box girder and used, and comprises an L-shaped frame body arranged on the flange of the steel box girder, wherein the horizontal section of the L-shaped frame body is arranged above the flange of the steel box girder, the vertical section of the L-shaped frame body is arranged on the horizontal outer side of the flange of the steel box girder, the bottom of the vertical section of the L-shaped frame body is provided with an operation platform, the upper surface of the steel box girder top plate on the upper portion of the flange of the steel box girder is provided with a guide track, the middle section and the right side of the bottom of the L-shaped frame body are respectively and evenly provided with at least two frame connecting plates, the lower parts of the frame connecting plates are respectively connected with a roller seat connecting plate, the lower parts of the roller seat connecting plates are provided with vertical frame pipes, the frame pipe on the middle section of the bottom of the L-shaped frame body is rotatably provided with V-shaped groove rollers, the frame pipe on the right side of, the cylinder type idler wheel is matched with the upper surface of the steel box girder top plate, a counterweight groove is arranged in the right end of the L-shaped frame body, and a counterweight block is arranged in the counterweight groove.

Furthermore, L shape support body and operation platform form by the square pipe or the square steel welding of a plurality of horizontal direction of indulging, and the square pipe or the square steel direct weld of horizontal direction of indulging have the square pipe or the square steel of slope.

Furthermore, an opening facilitating the entry and exit of personnel is formed in the top of the operating platform.

Further, the horizontal length of the operating platform is smaller than that of the L-shaped frame body.

Further, the bottom end of the frame pipe is provided with a roller shaft in a through mode, two ends of the V-shaped groove roller/cylinder type roller are rotatably connected with the roller shaft through deep groove ball bearings, retaining rings are arranged between the deep groove ball bearings and the inner wall of the frame pipe on two sides, and shaft snap springs are arranged on parts of two ends of the roller shaft, protruding out of the frame pipe.

Furthermore, the frame connecting plate and the roller seat connecting plate are fixedly connected through a bolt piece, and a spring washer is arranged in the bolt piece.

Further, during the use, confirm according to the actual load of construction platform that the counter weight inslot adds the counter weight, whole construction platform's focus must be on guide rail's right side, and operation platform crosspiece interval should guarantee that constructor can follow and pass operation platform, and this construction platform of manpower promotion can slide on the steel box girder roof and carry out the operation.

The invention has the following advantages: the invention provides a movable steel box girder construction platform and a using method thereof, which can replace the traditional scaffold, a highway overhead working truck and a truck crane hanging basket, can reduce the labor intensity of workers, improve the construction efficiency of the steel box girder, can be repeatedly used, and belongs to a novel overhead working construction platform. The invention has the advantages of reasonable structure, convenient construction, lower requirement on construction site conditions, convenient movement, repeated use, low material cost and construction cost, and is suitable for wide popularization and use.

Drawings

Fig. 1 is a schematic structural view of the present invention.

FIG. 2 is a schematic structural view of the L-shaped frame and the operation platform of the present invention.

FIG. 3 is a schematic view of the structure of the V-grooved roller of the present invention.

Fig. 4 is a schematic view of the structure of the roller of the present invention.

As shown in the figure: 1. the steel box girder comprises a steel box girder flange, 2V-shaped groove rollers, 3 cylinder rollers, 4 guide rails, 5 an operation platform, 6 a counterweight groove, 7 a frame connecting plate, 8 a roller seat connecting plate, 9 an L-shaped frame body, 10 a frame pipe, 11 a steel box girder top plate, 12 a roller shaft, 13 a retainer ring, 14 a deep groove ball bearing, 15 a shaft clamp spring.

Detailed Description

The present invention will be described in further detail with reference to examples.

In the specific implementation of the invention, the construction platform is erected on the upper part of a steel box girder and comprises an L-shaped frame body 9 arranged on a flange 1 of the steel box girder, the horizontal section of the L-shaped frame body 9 is arranged above the flange 1 of the steel box girder, the vertical section of the L-shaped frame body 9 is arranged on the horizontal outer side of the flange 1 of the steel box girder, the bottom of the vertical section of the L-shaped frame body 9 is provided with an operation platform 5, the L-shaped frame body 9 and the operation platform 5 are respectively formed by welding a plurality of transverse and longitudinal square pipes or square steels, the horizontal length of the operation platform 5 is smaller than that of the horizontal section of the L-shaped frame body 9, the top of the operation platform 5 is provided with an opening facilitating the entry and exit of personnel, the transverse and longitudinal square pipes or square steels are directly welded with inclined square pipes or square steels, the upper surface of a top plate 11 of the steel box girder on the upper part of the flange 1 of the steel box girder is provided with a guide rail 4, the middle, the lower portion of the frame connecting plate 7 is connected with the roller seat connecting plate 8, the frame connecting plate 7 and the roller seat connecting plate 8 are connected through a bolt piece in a fastening mode, a spring washer is arranged in the bolt piece, the lower portion of the roller seat connecting plate 8 is provided with a vertical frame pipe 10, the frame pipe 10 in the middle section of the bottom of the L-shaped frame body 9 is provided with a V-shaped groove roller 2 in a rotating mode, the frame pipe 10 on the right side of the bottom of the L-shaped frame body 9 is provided with a barrel type roller 3 in a rotating mode, the bottom end of the frame pipe 10 is provided with a roller shaft 12 in a penetrating mode, the two ends of the V-shaped groove roller 2/barrel type roller 3 are connected with the roller shaft 12 in a rotating mode through a deep groove ball bearing 14, a retainer ring 13 is arranged between the deep groove ball bearing 14 and the inner wall of the frame pipe 10 on the two sides, the portions, protruding out of the frame pipe 10, of, barrel gyro wheel 3 and 11 upper surfaces of steel box girder roof cooperate, be equipped with counter weight groove 6 in the 9 right-hand members of L shape frame, counter weight groove 6 is equipped with the balancing weight.

The utility model provides a steel box girder construction platform application method, during the use, confirms the weight that adds in the counter weight groove according to the actual load of construction platform, and whole construction platform's focus must be on guide rail's right side, and operation platform crosspiece interval should guarantee that constructor can pass operation platform from it, and this construction platform of manpower promotion can slide on steel box girder roof and carry out the operation.

Meanwhile, the truss pipe of the construction platform framework is composed of square pipes or square steel, and the framework nodes are in welded connection.

When the construction platform is installed, the guide rail is fixed on the steel box girder top plate through intermittent welding, and the guide rail is 90-degree equal-edge angle steel.

The stair rung spacing should ensure that the operator can pass through to the operating platform.

The construction platform can slide on the steel box girder top plate by manpower pushing without the help of power machines.

When the construction platform is used, the additional weight in the weight distribution groove is determined according to the actual load of the construction platform, and the center of gravity of the whole construction platform is necessarily arranged on the right side of the guide rail.

During construction, the counterweight groove end of the hanging bracket can be sucked on the bridge floor by using a permanent magnetic manual sucking disc.

A layer of plywood with the thickness of 5mm can be paved on the operating platform.

The frame connecting plate is connected with the roller seat connecting plate through bolts, so that the maintenance and the repair are convenient.

The elevations of the upper surfaces of the two roller seat connecting plates are the same, so that the construction platform can be prevented from overturning when moving longitudinally, and the transverse displacement is not allowed to occur.

The roller is connected with the frame connecting plate by adopting a spring washer and a flat washer, so that the shock resistance effect is achieved.

Although the invention has been described in detail hereinabove with respect to a general description and specific embodiments thereof, it will be apparent to those skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.