CN213233152U - Operating platform for repairing cross girder - Google Patents

Abstract

The application provides an operating platform of repairing of midspan girder has solved the problem that current girder department operating platform is difficult to the construction, and it includes entablature, bottom end rail and jib, entablature and bottom end rail are all along the cross bridge to extending, the girder top is located to the entablature, the bottom end rail passes through the jib with the entablature is connected and is hoisted in the girder below, the bottom end rail upper berth is equipped with along the distribution roof beam of indulging the bridge to extending, the distribution roof beam upper berth is equipped with the footboard. The utility model provides an operating platform of repairing of midspan girder is through setting up the entablature in order to realize below operation platform's support on the girder, moreover, the steam generator is simple in structure, need not to set up full hall scaffold frame in addition, do not receive construction environment's restriction, construction convenience, the efficiency of installation is high, this operating platform relies on in the girder setting simultaneously, good bearing capacity and structural stability have, and section bar and panel that use are simple, can directly obtain at the job site, the waste of material has been reduced, construction cost is reduced.

Description

Operating platform for repairing cross girder

Technical Field

The application relates to the technical field of bridge construction, in particular to an operation platform for repairing a midspan girder.

Background

With the increasing traffic volume, part of bridges are damaged to different degrees at present, and the detection and reinforcement of the bridges become one of the problems which generally pay attention in recent years. In order to find the existing bridge diseases and diagnose the technical conditions of the existing bridges in time, the operational bridges need to be inspected, detected and maintained regularly. In the process of detection, repairing and the like, construction personnel are difficult to reach because river channels or canyons are mostly arranged below midspans of the bridge.

SUMMERY OF THE UTILITY MODEL

The application aims to provide an operation platform for repairing a midspan girder, which is convenient to construct.

In order to achieve the above object, the present application provides the following technical solutions:

the utility model provides an operating platform of repairing of midspan girder, includes entablature, bottom end rail and jib, entablature and bottom end rail all extend along the horizontal bridge to, the entablature is located the girder top, the bottom end rail pass through the jib with the entablature is connected and hoist and mount in the girder below, the bottom end rail upper berth is equipped with along the distribution roof beam that indulges the bridge to extension, the distribution roof beam upper berth is equipped with the footboard.

Further setting: the upper cross beam and the lower cross beam are arranged along the longitudinal bridge beam, the upper cross beam and the lower cross beam are arranged in a vertically symmetrical mode, and two hanging rods are arranged at two ends of each upper cross beam and connected with the lower cross beam.

Further setting: the distribution beam is provided with a plurality of beams along the transverse bridge direction, and the distance between every two adjacent distribution beams is 80 cm.

Further setting: and an enclosure structure arranged along the periphery of the pedal is arranged on the pedal.

Further setting: the enclosure structure is formed by welding phi 48 multiplied by 3.5mm steel pipes.

Further setting: and the upper cross beam and the lower cross beam are both made of 45a double-spliced I-steel.

Further setting: the hanger rod is phi 32mm finish rolling deformed steel bar.

Further setting: the distribution beam is 8# channel steel.

Further setting: the pedal comprises a wood plate, a stainless steel plate and a steel grating.

Further setting: an upper step ladder and a lower step ladder are arranged between the upper cross beam and the lower cross beam, and ring cages are arranged on the outer sides of the upper step ladder and the lower step ladder.

Compared with the prior art, the scheme of the application has the following advantages:

1. the utility model provides an operating platform of repairing of midspan girder is through setting up the entablature in order to realize below operation platform's support on the girder, moreover, the steam generator is simple in structure, need not to set up full hall scaffold frame in addition, do not receive construction environment's restriction, construction convenience, the efficiency of installation is high, this operating platform relies on in the girder setting simultaneously, good bearing capacity and structural stability have, and section bar and panel that use are simple, can directly obtain at the job site, the waste of material has been reduced, construction cost is reduced.

2. In the repair operation platform of midspan girder of this application, through set up envelope in the periphery of footboard, can be used to prevent constructor landing on operation platform, improve the security of construction.

3. In the operating platform of repairing of midspan girder of this application, through step ladder about setting up between entablature and bottom end rail, can be convenient for constructor carries out the construction from top to bottom, sets up the circle cage in the step ladder outside from top to bottom simultaneously, can improve constructor's security when using step ladder from top to bottom.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of an embodiment of an operating platform for repairing a span girder in the present application;

FIG. 2 is a diagram illustrating a connection relationship between an upper cross beam, a lower cross beam, and a hanger rod in the repair operation platform for a cross girder in the present application.

In the figure, 1, an upper cross beam; 2. a lower cross beam; 3. a boom; 4. a distribution beam; 5. a pedal; 6. an enclosure structure; 7. going up and down the stairs; 8. and (4) encircling a cage.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

Please refer to fig. 1 and 2, the present application relates to an operation platform for repairing a midspan girder, which is suitable for girth welding and repairing of a girder, solves the problem that a scaffold is difficult to construct at a midspan of an existing bridge, and has the advantages of simple structure, convenient construction, and suitability for popularization and use.

The repairing operation platform of midspan girder comprises an upper crossbeam 1, a lower crossbeam 2 and a suspender 3, wherein the upper crossbeam 1 and the lower crossbeam 2 both extend along the transverse bridge direction, and the lengths of the upper crossbeam 1 and the lower crossbeam 2 are both greater than the transverse width of the girder. In addition, the upper beam 1 is arranged above the main beam, the lower beam 2 is connected with the upper beam 1 through the suspender 3 and is hoisted below the main beam, meanwhile, a distribution beam 4 extending along the longitudinal bridge direction is arranged on the lower beam 2, and a pedal 5 is paved on the distribution beam 4 to form an operation platform.

Specifically, please refer to fig. 2, two upper beams 1 and two lower beams 2 are respectively arranged along the longitudinal bridge direction, the upper beams 1 and the lower beams 2 are arranged in an up-down symmetrical manner one by one, meanwhile, two suspenders 3 are arranged corresponding to the same upper beam 1, and the two suspenders 3 are respectively arranged at two ends of the upper beam 1 and connected with two ends of the lower beam 2. This application relies on 1 realization of entablature on crossing the girder to the support of below operation platform, and simple structure has good bearing capacity and structural stability.

Preferably, the upper cross beam 1 and the lower cross beam 2 both adopt 45a double-spliced steel, the suspender 3 adopts phi 32mm finish-rolled deformed steel, and two ends of the finish-rolled deformed steel respectively penetrate through the upper cross beam 1 and the lower cross beam 2 and are locked and fixed by virtue of nuts.

The distribution beams 4 are laid on the two lower cross beams 2 along the transverse bridge direction, and the distance between every two adjacent distribution beams 4 is 80 cm. Preferably, the distribution beam 4 of the present embodiment is an 8# channel steel.

The pedal 5 is laid on the distribution beams 4, so that the load borne by the pedal 5 can be distributed into more than two multi-point concentrated loads, and the structural stability of the operating platform is improved. The pedal 5 may be one of a wood plate, a stainless steel plate and a steel grating.

Furthermore, an enclosure structure 6 arranged along the periphery of the pedal 5 is arranged on the pedal for preventing constructors from sliding off the operation platform, and the construction safety is improved. Specifically, the building envelope 6 is formed by splicing phi 48 multiplied by 3.5mm steel pipes in a longitudinal and transverse mode.

In addition, step 7 about being equipped with between entablature 1 and the bottom end rail 2 can supply the workman to construct so that to the bridge construction from top to bottom, step 7 adopts 8# channel-section steel welding to form from top to bottom, just step 7 outside is equipped with circle cage 8 from top to bottom to improve constructor and using step 8's security from top to bottom. Preferably, the ring cage 8 is welded by phi 22 thread steel.

It should be noted that the types of the profiles and the plates used in the present application can be selected according to the field construction requirements, and are not limited to the specific limitations in the present embodiment.

The utility model provides an operating platform of repairing of midspan girder is through setting up entablature 1 in order to realize below operation platform's support on the girder, moreover, the steam generator is simple in structure, need not to set up full hall scaffold frame in addition, do not receive construction environment's restriction, construction convenience, the efficiency of installation is high, this operating platform relies on in the girder setting simultaneously, good bearing capacity and structural stability have, and section bar and panel that use are simple, can directly obtain at the job site, the waste of material has been reduced, construction cost is reduced.

The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.

Claims (10)

1. An operating platform for repairing a midspan girder, characterized in that: the upper cross beam and the lower cross beam extend along the transverse bridge direction, the upper cross beam is arranged above the main beam, the lower cross beam is connected with the upper cross beam through the hanging rod and hung below the main beam, a distribution beam extending along the longitudinal bridge direction is paved on the lower cross beam, and a pedal is paved on the distribution beam.

2. The repair operating platform for a mid-span girder of claim 1, wherein: the upper cross beam and the lower cross beam are arranged along the longitudinal bridge beam, the upper cross beam and the lower cross beam are arranged in a vertically symmetrical mode, and two hanging rods are arranged at two ends of each upper cross beam and connected with the lower cross beam.

3. The repair operating platform for a mid-span girder of claim 2, wherein: the distribution beam is provided with a plurality of beams along the transverse bridge direction, and the distance between every two adjacent distribution beams is 80 cm.

4. The repair operating platform for a mid-span girder of claim 1, wherein: and an enclosure structure arranged along the periphery of the pedal is arranged on the pedal.

5. The repair operating platform for a mid-span girder of claim 4, wherein: the enclosure structure is formed by welding phi 48 multiplied by 3.5mm steel pipes.

6. The repair operating platform for a mid-span girder of claim 1, wherein: and the upper cross beam and the lower cross beam are both made of 45a double-spliced I-steel.

7. The repair operating platform for a mid-span girder of claim 1, wherein: the hanger rod is phi 32mm finish rolling deformed steel bar.

8. The repair operating platform for a mid-span girder of claim 1, wherein: the distribution beam is 8# channel steel.

9. The repair operating platform for a mid-span girder of claim 1, wherein: the pedal comprises a wood plate, a stainless steel plate and a steel grating.

10. The repair operating platform for a mid-span girder of claim 1, wherein: an upper step ladder and a lower step ladder are arranged between the upper cross beam and the lower cross beam, and ring cages are arranged on the outer sides of the upper step ladder and the lower step ladder.

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