CN211142816U - Construction platform - Google Patents

Abstract

The utility model discloses a construction platform, wherein the construction platform comprises a support part and an operation part, the support parts are arranged in multiple rows at intervals along the extension direction of the bridge deck, the support parts are vertically arranged on the bridge deck, and the operation parts are arranged side by side across the bridge deck. On the support part, the upper surface of the working part is used to support the steel box girder. By erecting the support part on the existing bridge deck, and then laying the Bailey beam on the top of the support part, the Bailey beam acts as a temporary working platform, and the steel box girder block welding and installation are completed on the Bailey beam. The erection of the finished steel box girder avoids large-scale truck cranes and other bridge operations, reduces the potential safety hazard to existing bridges, and makes construction across existing bridges more convenient.

Description

construction platform

technical field

The utility model belongs to the technical field of bridge and tunnel construction, and more particularly, the utility model relates to a construction platform.

Background technique

When constructing on an existing bridge, the technical data of the existing bridge is often lost or incomplete. At this time, it is impossible to know the force and load-bearing condition of the existing bridge. Existing bridges create safety hazards.

Utility model content

The main purpose of the utility model is to provide a construction platform to solve the problem of inconvenient construction of existing bridges in the middle span of the prior art.

In order to achieve the above purpose, according to one aspect of the present invention, a construction platform for steel box girder is provided, which includes a support part and an operation part, the support parts are arranged in multiple rows at intervals along the extension direction of the bridge deck, and the support parts are vertical. It is set on the bridge deck, and the operation parts are arranged side by side on the support part, and the upper surface of the operation part is used to support the steel box girder.

Optionally, the support portion includes:

Support beam, at least two cylinders are arranged side by side on the support beam, and the support beam is detachably connected with the upper surface of the bridge deck;

The cross beam is detachably arranged on the top of the support beam, and the cross beam is used to support the operation department.

Optionally, the working part includes a Bailey beam, and a support plate is laid on the upper surface of the Bailey beam.

Optionally, eight supporting beams are arranged at equal intervals.

Optionally, fastening steel bars are provided between adjacent support beams.

Optionally, the beams are I-beams, and the supporting beams are steel cylinders.

Optionally, the bottom of the steel cylinder is detachably installed on the foundation, and the foundation is set on the bridge deck.

Optionally, the foundation is a concrete foundation.

According to another aspect of the present invention, a construction method of a steel box girder is provided. The above-mentioned construction platform is used to construct the steel box girder. The construction method includes: installing the construction platform; On the platform; welding and combining the various blocks of the steel box girder to form the finished steel box girder; installing the finished steel box girder on the construction platform.

By applying the technical scheme of the present utility model, by erecting a support part on the existing bridge deck, and then laying the Bailey beam on the top of the support part, the Bailey beam plays the role of a temporary operation platform, and the steel beam is completed on the Bailey beam. The welding of the box girder blocks and the erection of the finished steel box girder avoid the bridge operation such as large truck cranes, reduce the potential safety hazards to the existing bridges, and make the construction of the existing bridges more convenient.

Description of drawings

The accompanying drawings forming a part of the present application are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

FIG. 1 shows a schematic structural diagram of a construction platform according to an embodiment of the present invention;

FIG. 2 shows a schematic structural diagram of FIG. 1 from another perspective.

Detailed ways

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present utility model, unless otherwise stated, the directional words used such as "upper, lower, top, bottom" are usually for the directions shown in the drawings, or for the vertical, vertical Or in terms of the direction of gravity; similarly, for ease of understanding and description, "inside and outside" are relative to the contours of the components themselves, but the above-mentioned orientation words are not used to limit the present invention.

In order to solve the problem of inconvenient construction of existing bridges in the prior art, the utility model provides a construction platform and a construction method.

FIG. 1 shows a construction platform for steel box girder, including a support part 14 and a working part 15 , the support parts 14 are arranged in multiple rows at intervals along the extension direction of the bridge deck 1 , and the support parts 14 are vertically arranged on the bridge deck , the working part 15 is arranged side by side on the support part, and the upper surface of the working part 15 is used to support the steel box girder 6 .

Specifically, by erecting the support portion 14 on the existing bridge deck 1, and then laying the working portion 15 on top of the support portion 14, the working portion 15 acts as a temporary working platform, and the steel box girder is completed on the working portion 15. The welding of the 6 blocks and the erection of the finished steel box girder 6 avoids large truck cranes and other operations on the bridge deck 1, reduces the potential safety hazards to existing bridges, and makes construction across existing bridges more convenient.

Optionally, the support portion 14 includes support beams 3, at least two support beams 3 are arranged side by side, and the support beams 3 are detachably connected to the upper surface of the bridge deck 1; The top of the beam 4 is used to support the working part 15 .

Specifically, the bottom of the supporting beam 3 is welded with a first connecting plate 10 , which is fixed on the bridge deck 1 by high-strength bolts 12 , and a second connecting plate 11 is welded on the top of the supporting beam 3 . 11 and the working part 15 are also fixed by high-strength bolts 12 .

Optionally, the working part includes a Bailey beam, and a support plate is laid on the upper surface of the Bailey beam.

Specifically, the operation part 15 includes a Bailey beam 5 and a support plate 9, the Bailey beam 5 is arranged side by side on the cross beam 4, the support plate 9 is laid on the upper surface of the Bailey beam 5, and the support plate 9 acts as a temporary working plane. effect.

Optionally, eight supporting beams are arranged at equal intervals, and fastening steel bars are provided between adjacent supporting beams.

Specifically, eight supporting beams 3 are arranged at equal intervals, and the eight supporting beams 3 are located in the same plane perpendicular to the extension direction of the bridge deck 1, and the supporting beams 3 and the bridge piers 13 are located in the same plane, which can make the whole device The gravity is transmitted to the ground through the bridge piers 13 to prevent the bridge deck from being overstressed and causing damage to the bridge deck. Between the adjacent support beams 3 , transverse reinforcement bars 7 and diagonal reinforcement bars 8 are welded for fixing.

Optionally, the beams are I-beams, and the supporting beams are steel cylinders.

Specifically, the beam 4 is made of I-beam, and the support beam 3 is made of steel cylinder, which has a stable structure, is convenient to obtain materials, and can be reused.

Optionally, the bottom of the steel cylinder is detachably installed on the foundation, the foundation is set on the bridge deck, and the foundation is a concrete foundation.

Specifically, the bottom of the steel cylinder is fixed on the foundation 2 through the first connecting plate 10 and the high-strength bolts 12, and the foundation 2 is a concrete foundation with a rectangular structure, which avoids damage to the bridge deck 1 during direct installation.

The utility model also provides a construction method for the steel box girder 6. The above-mentioned construction platform is used to construct the steel box girder 6. The construction method includes: installing the construction platform; Weld the blocks of the steel box girder 6 to form the finished steel box girder 6; install the finished steel box girder 6 on the construction platform.

From the above description, it can be seen that the above-mentioned embodiments of the present utility model achieve the following technical effects:

1. Effectively solve the problem of inconvenient construction of steel box girder for existing bridges in the prior art;

2. The structure of the whole device is simple, the processing cost is low, and it has high practicability and adaptability;

3. The operation is simple and convenient for the staff to use.

Obviously, the above-described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall belong to the present invention

the scope of protection.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, acts, devices, components, and/or combinations thereof.

It should be noted that the terms "first", "second", etc. in the description and claims of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that data so used may be interchanged under appropriate circumstances so that the embodiments of the application described herein can be practiced in sequences other than those illustrated or described herein.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a construction platform, its characterized in that includes supporting part and operation portion, the supporting part sets up the multirow along the extending direction interval of bridge floor, the supporting part is vertical to be established on the bridge floor, operation portion strides side by side and establishes on the supporting part, the upper surface of operation portion is used for bearing steel box girder.

2. The construction platform of claim 1, wherein the support portion comprises:

the support beams are arranged side by side and detachably connected with the upper surface of the bridge floor;

the crossbeam, the crossbeam detachable is established the top of a supporting beam, the crossbeam is used for the bearing operation portion.

3. The construction platform according to claim 1, wherein the working portion comprises a bery beam, and a support plate is laid on an upper surface of the bery beam.

4. A construction platform according to claim 2, wherein the support beams are equally spaced apart eight.

5. The construction platform of claim 4, wherein a fastening bar is disposed between adjacent support beams.

6. The construction platform of claim 2, wherein the cross beams are i-beams and the support beams are steel cylinders.

7. A construction platform according to claim 2, wherein the bottom of the support beam is removably mounted on a foundation provided on the deck.

8. The construction platform of claim 7, wherein the foundation is a concrete foundation.

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