CN218912192U - Clamp type operation platform suitable for box girder - Google Patents

Abstract

The utility model provides a clip-type work platform suitable for box-shaped beams, which is characterized in that it includes two platform supports, and the two platform supports are respectively fixed on both sides of the box-shaped beam node; one end of the two platform supports They all protrude along the direction of the side wall of one side of the box girder to form a cantilevered structure. An operating platform is built on the top of the cantilevered end of the two platform supports, and a protective device is installed on the operating platform. Before the box girder is hoisted, the If there are platform supports on both sides of the beam joints, at the same time let one side of the platform support protrude to form a cantilever structure, and then set up an operating platform on the cantilever structure. The demand for interface welding and the need for construction workers to bypass the intersection nodes; the clip-type work platform in this scheme is simple, convenient, high This synergistic construction concept.

Description

A clip-type working platform suitable for box girders

technical field

The utility model relates to the technical field of building safety equipment, in particular to a clip-type work platform suitable for box girders.

Background technique

At present, all large-span conversion trusses have cross-web joints, and the welding of the outer butt joints of cross-web beams requires an operation platform to complete, and construction workers also need to bypass the cross joints. The conventional setting in the prior art is that scaffolding is used to set up the operation platform or welding pickets on the main girder before laying the platform springboard. The disadvantage of the scaffolding platform is that it is troublesome to build and disassemble, and there is a safety hazard in the high-altitude dismantling; the welding picket needs to be welded and fixed and dismantled by high-altitude cutting, which is inconvenient to operate.

To sum up, the erection and dismantling of the scaffolding platform and the welding picket takes a long time and the turnover is poor. Generate safety risks, delay the construction period and increase the construction cost.

Utility model content

Aiming at the above-mentioned problems in the prior art, the utility model provides a clip-type work platform suitable for box girders, which solves the problem of long erection and dismantling of scaffolding platforms and welding pick-ups, poor turnover, safety risks, and delays. The problem of construction period and increased construction cost.

In order to achieve the above-mentioned purpose of the invention, the technical scheme that the utility model adopts is as follows:

Provided is a clip-type work platform suitable for box girders, which includes two platform supports, and the two platform supports are respectively fixed on both sides of the box girder node;

One end of the two platform supports protrudes along one side wall of the box girder to form a cantilevered structure, and an operating platform is built on the top of the cantilevered ends of the two platform supports.

The basic principle of the clip-type work platform suitable for box girders in the utility model is: before the box girder is hoisted, the platform supports are arranged on both sides of the box girder nodes in advance, and at the same time, one side of the platform support is extended. A cantilevered structure is formed, and then an operating platform is built on the cantilevered structure. The formation of the operating platform can meet the needs of the welding of the outer joints of the cross web beams and the construction personnel also have the need to bypass the cross nodes; this scheme The clip-type work platform in the product is simple, convenient, high-efficiency, reusable, and can also be standardized, which conforms to the construction concept of green, energy saving, cost reduction and efficiency enhancement promoted by the current construction industry.

Further, the two platform supports are arranged horizontally, and each platform support is provided with a clamping structure. The clamping structure includes two clamping arms arranged at intervals at the bottom of the platform support. The two clamping arms are vertically arranged, and each The top of the first clamping arm is fixedly connected to the lower end surface of the platform support; the two clamping arms are respectively fixedly connected to the side walls on both sides of the box girder.

The setting of the clamping structure realizes the stable fixation between the two platform supports and the box girder, increasing the structural strength and safety of the entire clamping operation platform; at the same time, when fixing the platform support, the construction is convenient, and the erection and dismantling time is short. reusable.

Further, a diagonal brace reinforcing rod is arranged between each platform support and the clamping arm near the cantilevered end of the platform support, one end of the diagonal brace reinforcing rod is fixedly connected to the lower end surface of the platform support cantilever end, and the other end of the diagonal brace reinforcing rod Fixed connection with the bottom side wall of the clamping arm. The setting of the diagonal bracing reinforcement rod can bear the gravity transmitted by the cantilever end of the platform support, and transmit the bearing gravity to the clamping arm and the side wall of the box beam, which can increase the structural strength of the platform support and reduce the weight of the platform support. The deformation of the cantilevered end due to gravity.

Further, in order to meet the rapid construction, disassembly and reuse of the clip-type work platform, the connection methods between the platform support and the box girder, between the operating platform and the platform support, and between the clamping arm and the platform support and the box girder All bolts are detachable connections.

Further, the clip-type work platform also includes a protective device, the protective device has a plurality of fixed columns, and the plurality of fixed columns are respectively arranged on both sides of the box beam and the upper end surface of the operation platform or the cantilevered end of the platform support;

Steel wire ropes are arranged on multiple fixed columns, and the steel wire ropes are used to enclose the operating platform and the cantilevered end of the platform support. Specifically, the steel wire ropes extend from one side of the box girder node to the other side of the box girder node through multiple fixed columns , which is used to enclose the cantilevered end of the operating platform and platform support, and the setting of the protective device meets the requirements of personnel's side operation and traffic safety.

Further, the protruding length of the cantilevered end of each platform support is greater than 600mm. The design parameters of the clip-type work platform applicable to the box girder need to be designed according to the beam width of the project box girder. What needs to be ensured is that the cantilevered end of the platform support is longer than 600mm, so as to meet the requirements of personnel side operation and traffic safety. .

The beneficial effects of the utility model are:

1. A clip-type working platform suitable for box girders in this utility model is simple, convenient, high-efficiency, reusable, and can also be standardized. It is in line with the green, energy-saving, cost-reducing and efficiency-enhancing construction promoted by the current construction industry idea.

2. A clip-type work platform suitable for box girders in the utility model is equipped with a protective device, and the steel wire rope in the protective device extends from one side of the box girder node to the side of the box girder node through multiple fixed columns. On one side, it is used to enclose the cantilevered end of the operating platform and platform support, and the setting of the protective device meets the requirements of personnel's side operation and traffic safety.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of a clip-type work platform suitable for a box girder.

Fig. 2 is a side view structural schematic diagram of a clip-type working platform suitable for a box girder.

Among them, 1. Platform bracket; 2. Box beam node; 3. Operating platform; 4. Clamping arm;

Detailed ways

The specific embodiment of the present utility model is described below, so that those skilled in the art understand the utility model, but should be clear, the utility model is not limited to the scope of specific embodiment, for those of ordinary skill in the art, as long as Various changes are within the spirit and scope of the utility model defined and determined by the appended claims, and these changes are obvious, and all inventions and creations utilizing the concept of the utility model are all included in the protection list.

As shown in Figures 1 to 2, the utility model provides a clip-type work platform suitable for box girders, including two platform supports 1, and the two platform supports 1 are respectively fixed on the two sides of the box girder node 2. side.

Specifically, a plurality of installation holes may be opened on the platform bracket 1 , and then a connecting bolt assembly may be provided in the installation holes, thereby realizing a fixed connection with the upper end surface of the box girder 8 .

One ends of the two platform supports 1 protrude along one side wall of the box beam 8 to form a cantilevered structure, and an operating platform 3 is built on the top of the cantilevered ends of the two platform supports 1 . Preferably, but not limitedly, the protruding length of the cantilevered end of each platform support 1 is greater than 600 mm. The design parameters of the clip-type work platform applicable to the box girder need to be designed according to the beam width of the box girder 8 of the project. It needs to be ensured that the protruding length of the cantilevered end of the platform support 1 is greater than 600mm, so as to meet the requirements of personnel side operation and traffic safety. requirements.

The material of the platform support 1 can be selected from C8 channel steel, and the material of the operating platform 3 can be selected from a steel plate or a plate that can bear the weight of the operator.

Specifically, before the box girder 8 is hoisted, the platform support 1 is provided on both sides of the box girder node 2 in advance, and at the same time, one side of the platform support 1 is protruded to form a cantilevered structure, and then on the cantilevered structure The operation platform 3 is set up, and the formation of the operation platform 3 can meet the needs of the welding of the outer joint of the cross web beam and the construction personnel also have the need to bypass the cross node; the clip-type operation platform in this scheme is simple, convenient and efficient , can be reused, and can also be standardized, which is in line with the construction concept of green, energy saving, cost reduction and efficiency enhancement promoted by the current construction industry.

The two platform supports 1 are all arranged horizontally, and each platform support 1 is provided with a clamping structure. The clamping structure includes two clamping arms 4 arranged at the bottom of the platform support 1 at intervals, and the two clamping arms 4 are vertically arranged , the top of each clamping arm 4 is fixedly connected to the lower end surface of the platform support 1; the two clamping arms 4 are fixedly connected to both side walls of the box beam 8 respectively. The setting of the clamping structure realizes the stable fixing between the two platform supports 1 and the box beam 8, and increases the structural strength and safety of the entire clamping operation platform; at the same time, when the platform support 1 is fixed, the construction is convenient, and the installation and dismantling are easy. Short time and reusable.

The material of the clamping arm 4 can be angle steel, and the installation position of the clamping arm 4 on the platform support 1 can be flexibly adjusted according to the beam width of the project box girder 8, which is not limited here.

A diagonal brace reinforcing rod 5 is arranged between each platform support 1 and the clamping arm 5 close to the cantilevered end of the platform support 1, and one end of the diagonal brace reinforcing rod 5 is fixedly connected with the lower surface of the platform support 1 cantilever end, and the diagonal brace reinforcing rod The other end of 5 is fixedly connected with the bottom side wall of the clamping arm 4 . The setting of the diagonal bracing reinforcement bar 5 can withstand the gravity transmitted by the cantilever end of the platform support 1, and transmit the bearing gravity to the side wall of the clamping arm 4 and the box beam 8, which can increase the structural strength of the platform support 1 , thereby reducing the phenomenon of deformation of the cantilevered end of the platform support 1 due to bearing gravity.

Preferably, but not limited to, the connections between the platform support 1 and the box girder 8, between the operating platform 3 and the platform support 1, and between the clamping arm 4 and the platform support 1 and the box girder 8 are detachable bolts. . The detachable connection of the bolts meets the rapid construction, disassembly and reuse of the clip-type work platform, and realizes cost reduction and efficiency increase for on-site construction.

The clip-type work platform also includes a protective device, the protective device has a plurality of fixed columns 6, and the plurality of fixed columns 6 are respectively arranged on both sides of the box beam 8 and the upper end surface of the operation platform 3 or the cantilevered end of the platform support 1.

Multiple fixed columns 6 are provided with steel wire ropes 7, and the steel wire ropes 7 are used to enclose the cantilevered end of the operating platform 3 and the platform support 1. Specifically, the steel wire ropes 7 extend from the side of the box beam node 2 through the multiple fixed columns 6 to The other side of the box girder node 2 is used to enclose the cantilevered end of the operating platform 3 and the platform support 1, and the setting of the protective device meets the requirements of personnel's side operation and traffic safety.

In summary, a clip-type work platform suitable for box girders in this utility model is simple, convenient, high in efficiency, reusable, and can also be standardized. efficient construction concept.

Claims (6)

1. A clip-type work platform suitable for box girders, characterized in that it comprises two platform supports, and the two platform supports are fixedly arranged on both sides of the box girder nodes respectively; One end of the two platform supports protrudes along one side wall of the box girder to form a cantilevered structure, and an operating platform is built on the top of the cantilevered ends of the two platform supports. 2. The clip-type work platform suitable for box girders according to claim 1, characterized in that, the two platform supports are all arranged horizontally, and each platform support is provided with a clamping structure, and the clamping The structure includes two clamping arms arranged at intervals at the bottom of the platform support, the two clamping arms are vertically arranged, and the top of each clamping arm is fixedly connected with the lower end surface of the platform support; the two clamping arms are respectively connected to the box-shaped The side walls on both sides of the beam are fixedly connected. 3. The clip-type working platform suitable for box girder according to claim 2, characterized in that, a diagonal bracing reinforcement bar is arranged between each said platform support and the said clamping arm close to the cantilevered end of the platform support , one end of the diagonal brace reinforcing rod is fixedly connected to the lower end surface of the cantilevered end of the platform support, and the other end of the diagonal brace reinforcing rod is fixedly connected to the bottom side wall of the clamping arm. 4. The clamping work platform suitable for box girder according to claim 3, characterized in that, between the platform support and the box girder, between the operating platform and the platform support, the clamping arm The connections between the platform support and the box girder are all bolted detachable connections. 5. The clip-type work platform suitable for box girders according to claim 4, further comprising a protective device, the protective device has a plurality of fixed columns, and the plurality of fixed columns are respectively arranged on the box Both sides of the shaped beam and the upper end surface of the operating platform or the cantilevered end of the platform support; Steel wire ropes are arranged on the multiple fixed columns, and the steel wire ropes are used to enclose the operation platform and the cantilevered end of the platform support. 6 . The clip-type work platform suitable for box girder according to claim 5 , wherein the protruding length of each cantilevered end of the platform support is greater than 600 mm. 7 .

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