CN211713710U

CN211713710U - Special work platform is assisted to portable bridge

Info

Publication number: CN211713710U
Application number: CN202020000835.8U
Authority: CN
Inventors: 宋占阳; 王小军; 盛超廷; 陈平连
Original assignee: China Railway 15th Bureau Group Co Ltd; Road Bridge Construction Co Ltd of China Railway 15th Bureau Group Co Ltd
Current assignee: China Railway 15th Bureau Group Co Ltd; Road Bridge Construction Co Ltd of China Railway 15th Bureau Group Co Ltd
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-10-20
Anticipated expiration: 2030-01-02

Abstract

The invention discloses a movable bridge auxiliary special operation platform which comprises a suspension bracket, a platform body and a ladder stand, wherein the suspension bracket is used for being suspended on a bridge ballast wall; the suspension bracket is provided with a suspension arm for being suspended and connected to the inner side of the bridge ballast retaining wall; the suspension bracket is provided with at least two rolling parts for the suspension bracket to roll on the top surface of the bridge ballast wall along the length direction of the suspension bracket; the platform body is provided with a bearing area and a working area which are opposite; the working area of the platform body and the suspension bracket are arranged on the same side. The invention has the following beneficial effects: the operation platform can be hung on the ballast retaining wall and can move back and forth along the extending direction of the ballast retaining wall, so that great convenience is brought to construction operation.

Description

Special work platform is assisted to portable bridge

Technical Field

The invention belongs to the technical field of bridge construction, and particularly relates to a movable auxiliary special operation platform for a bridge.

Background

In the construction operation of the bridge body after erection at present, the construction operations of wet joint, transverse tensioning, grouting the bridge body, sealing and anchoring, waterproofing operation, repairing and the like are all finished by adopting a mode of building a simple suspension scaffold. The simple suspension scaffold is formed by welding steel bars and binding wood plates with iron wires. The simple scaffold is often not provided with a place special for constructors to stand for operation, so that the operation danger coefficient is high, and the simple structure causes large swing amplitude during aerial operation, so that the simple scaffold is not beneficial to operation; the scaffold consumes time and labor when being erected, is inconvenient to move, and brings much inconvenience for construction operation.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a movable type operation platform special for bridge assistance, which is provided with an area special for constructors to stand for operation, so that the operation safety is improved, and meanwhile, a ballast blocking wall can be used as a rail to move transversely, so that convenience is brought to efficient operation.

In order to solve the prior art problem, the invention discloses a movable bridge auxiliary special operation platform which comprises a suspension bracket, a platform body and a ladder stand, wherein the suspension bracket is used for being suspended on a bridge ballast retaining wall;

the suspension bracket is provided with a suspension arm for being suspended and connected to the inner side of the bridge ballast retaining wall; the suspension bracket is provided with at least two rolling parts for the suspension bracket to roll on the top surface of the bridge ballast wall along the length direction of the suspension bracket; the platform body is provided with a bearing area and a working area which are opposite; the working area of the platform body and the suspension bracket are arranged on the same side.

Furthermore, an access passage for people to enter and exit between the working area and the bearing area is further arranged on the platform body.

Further, the platform body is further provided with at least two abutting parts for maintaining stability when abutting against the beam body, and the abutting parts are located at the end parts of the side of the working area on the platform body.

Furthermore, a rubber sheath is arranged on the abutting part.

Furthermore, the hanging frame is provided with a handrail.

Furthermore, a fence which is arranged on the ladder stand and is positioned at the same side as the bearing area of the platform body is arranged on the ladder stand, the bottom of the fence is connected to the bearing area of the platform body, and a lifting channel for people to pass through is defined between the fence and the ladder stand.

Furthermore, the fence comprises a plurality of U-shaped beams and a plurality of longitudinal beams, wherein the U-shaped beams are sequentially arranged on the ladder stand in parallel along the length direction of the ladder stand, and the longitudinal beams are vertically connected with the U-shaped beams.

Further, both sides of the working area of the platform body are provided with guardrails.

Furthermore, the suspension bracket is provided with a mounting seat arranged downwards, and the rolling piece is rotatably mounted on the corresponding mounting seat.

Further, the rolling member is a roller.

The invention has the following beneficial effects: the operation platform can be hung on the ballast retaining wall and can move back and forth along the extending direction of the ballast retaining wall, so that great convenience is brought to construction operation.

Drawings

FIG. 1 is a perspective view of the construction of a work platform according to the present invention;

fig. 2 is a schematic diagram of the operation of the work platform shown in fig. 1.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 and 2, the mobile bridge auxiliary dedicated work platform comprises a suspension bracket 11 for suspending on a bridge ballast wall 100, a platform body 8 arranged below the suspension bracket 11, and a ladder stand 4 connecting the suspension bracket 11 and the platform body 8.

The suspension bracket 11 is provided with a suspension arm 3 for being hung on the inner side of the bridge ballast retaining wall 100, and when the suspension bracket 11 is hung on the ballast retaining wall 100, the suspension arm 3 is close to the inner side of the ballast retaining wall 100 so as to complete the integral hanging. The suspension bracket 11 is provided with at least two rolling parts 1 for the suspension bracket 11 to roll along the length direction on the top surface of the bridge ballast wall 100, and the rolling parts 1 are arranged at the same height on the suspension bracket 11, so that the platform body 8 below can be kept horizontal. The platform body 8 is provided with a bearing area 13 and a working area 14 which are opposite, when a constructor comes down from the ladder stand 4 and then reaches the bearing area 13, the constructor then enters the working area 14 to perform construction operation, so that not only is a safe and reliable foothold provided, but also a large enough operation space is provided, and great convenience is brought to subsequent operation. The working area 14 of the platform body 8 is located on the same side as the suspension tower 11, so that the construction personnel can approach the working area on the girder 200.

In a preferred embodiment, the platform body 8 is further provided with an access passage 12 for people to enter and exit between the working area 14 and the carrying area 13. When the constructor comes down to the bearing area 13, the constructor can directly enter the working area 14 through the access passage 12, and similarly, the constructor can return to the bearing area 13 through the access passage 12 again after the construction is finished.

In a preferred embodiment, the platform body 8 is further provided with at least two abutments 15 for maintaining stability when abutting against the beam 200, the abutments 15 being located at the end of the platform body 8 on the side of the working area 14. After the operation platform is installed and the personnel put in place, the center of gravity of the whole device moves downwards and shakes along with the movement of the personnel on the platform body 8, and therefore the surface of the beam body 200 is positioned by arranging the two abutting parts 15 at the end part, close to the beam body 200, of the platform body 8, so that the whole device is in a stable state and construction is facilitated to be carried out safely.

In a preferred embodiment, the abutment 15 is provided with a rubber sheath 7. Since the abutting portion 15 is made of steel and the girder 200 is of a concrete structure, the surface of the girder 200 is buffered and protected by the rubber sheath 7 in order to prevent rigid collision and abrasion of the girder 200. And the rubber sheath 200 is a replaceable part, so that the maintenance cost is greatly reduced.

In a preferred embodiment, the hanger 11 is provided with a handrail 6. In order to facilitate the descending of constructors, the handrail 6 is arranged at a position close to the top of the ladder stand 4 and can be grasped by people, so that the stability of descending is maintained.

In a preferred embodiment, the ladder 4 is provided with a fence 5 on the same side as the bearing area 13 of the platform body 8, the bottom of the fence 5 is connected to the bearing area 13 of the platform body 8, and a lifting channel 10 for people to pass through is defined between the fence 5 and the ladder 4. In order to ensure the safety of constructors when climbing up and down the ladder 4, the fence 5 is arranged outside the ladder 4 to avoid danger.

In a preferred embodiment, the enclosure 5 comprises a plurality of "U" shaped beams 16 arranged in parallel in sequence along the length of the ladder 4 and a plurality of longitudinal beams 17 connecting the "U" shaped beams 16 vertically.

In a preferred embodiment, the platform body 8 is provided with guard rails 9 on both sides of the working area 14. The guardrail 9 can protect the constructors from falling accidents during the operation of the working area 14.

In a preferred embodiment, the suspension 11 is provided with downwardly directed mounting seats 2, and the rolling elements 1 are rotatably mounted on the respective mounting seats 2.

In a preferred embodiment, the rolling member 1 is a roller.

As shown in fig. 2, the mobile bridge dedicated work platform is manually pushed, and can move back and forth only by one person. The jade grinding railway is a T-shaped beam which is prefabricated by a post-tensioning method and used for passenger and cargo co-linear railways with the speed of 160 kilometers per hour. And a ballast retaining wall 100 with the width of 20cm and the height of 41cm is arranged on the outer side of the beam body. After the mobile operation platform is manufactured, the bridge ballast blocking wall 100 is used as a suspension point and is suspended outside the ballast blocking wall 100. The operation platform suspension bracket 11 is integrally in an inverted U shape, and two rollers matched with the width of the ballast retaining wall 100 are arranged below the operation platform suspension bracket to realize the movement along the top surface of the ballast retaining wall 100. The periphery of the ladder stand 4 is welded with a protective fence 5 by round steel, so that the up-and-down safety of personnel is ensured. The ladder stand 4 is 2.8m high, and meets the requirement of the distance from the beam surface to the top of the pier. Because the shape of the beam body 200 is T-shaped, the working area 14 of the lower platform body 8 is arranged towards the inner side of the beam, and the width of the platform body 8 is 60cm and the length is 125 cm. 8 both sides of platform body are equipped with the crossbeam and support the roof beam body and form butt portion 15, and the platform is steady when guaranteeing the operation and does not rock, installs rubber sheath 17 with the butt portion 15 of roof beam body contact. The ladder 4 is high and can vertically cover the working face, and the front and back direction can be manually pushed, so that the full coverage of the working range of the beam body can be realized. The operation platform 8 is directly pushed by the bridge through hole. When a roadbed is arranged between the two bridges, the loader is adopted to carry out integral hoisting and moving without dismounting.

The suspension bracket 11 and the ladder stand 4 are made of galvanized steel pipes with the diameter of 50mm, and the materials are easy to obtain and are low in price. The diameter of the roller is 50mm, the length of the roller is 22cm, and the mounting seat 2 is made of a 12mm steel plate; the fence 5 is welded by using round steel with the diameter of 16mm, and after the operation platform is finished, sheet iron is laid to ensure that the platform surface is smooth.

The transverse tensioning construction of the wet joint of the jade grinding railway is realized by adopting a movable type special bridge operation platform, so that a large amount of manpower and material resources are saved, and the safety of overhead operation construction is ensured. The movable bridge special platform is widely applied, and construction on a bridge body can be completed by the movable bridge special platform. The movable operation platform special for the bridge has the characteristics of convenience in movement, simplicity in manufacturing, capability of being independently operated by one person and the like.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a supplementary special work platform of portable bridge which characterized in that: the bridge ballast wall hanging device comprises a hanging frame (11) used for being hung on a bridge ballast wall (100), a platform body (8) arranged below the hanging frame (11), and a ladder stand (4) for connecting the hanging frame (11) and the platform body (8);

the suspension bracket (11) is provided with a hanging arm (3) which is used for being hung and connected to the inner side of the bridge ballast retaining wall (100); the suspension bracket (11) is provided with at least two rolling parts (1) for the suspension bracket (11) to roll along the length direction on the top surface of the bridge ballast retaining wall (100); the platform body (8) is provided with a bearing area (13) and a working area (14) which are opposite; the working area (14) of the platform body (8) and the suspension bracket (11) are arranged on the same side.

2. The mobile bridge auxiliary dedicated work platform of claim 1, wherein: the platform body (8) is also provided with an access passage (12) for people to enter and exit between the working area (14) and the bearing area (13).

3. The mobile bridge auxiliary dedicated work platform of claim 1, wherein: the platform body (8) is further provided with at least two abutting parts (15) used for maintaining stability when the platform body is abutted to the beam body (200), and the abutting parts (15) are located at the end part of the side of the working area (14) on the platform body (8).

4. The mobile bridge auxiliary dedicated work platform of claim 3, wherein: the abutting part (15) is provided with a rubber sheath (7).

5. The mobile bridge auxiliary dedicated work platform of claim 1, wherein: and the hanging frame (11) is provided with a handrail (6).

6. The mobile bridge auxiliary dedicated work platform of claim 1, wherein: be equipped with on cat ladder (4) with rail (5) of holding area (13) homonymy of platform body (8), the bottom of rail (5) is connected to holding area (13) of platform body (8), rail (5) with enclose between cat ladder (4) and enclose into lift passageway (10) that supply the people to pass.

7. The mobile bridge auxiliary dedicated work platform of claim 6, wherein: the fence (5) comprises a plurality of U-shaped beams (16) which are sequentially arranged on the ladder stand (4) in parallel along the length direction of the ladder stand and a plurality of longitudinal beams (17) which are vertically connected with the U-shaped beams (16).

8. The mobile bridge auxiliary dedicated work platform of claim 1, wherein: and guardrails (9) are arranged on two sides of the working area (14) of the platform body (8).

9. The mobile bridge auxiliary dedicated work platform of claim 1, wherein: the suspension bracket (11) is provided with a mounting seat (2) arranged downwards, and the rolling piece (1) is rotatably mounted on the corresponding mounting seat (2).

10. The mobile bridge auxiliary dedicated work platform of claim 1, wherein: the rolling member (1) is a roller.