CN216074815U

CN216074815U - Bridge is demolishd and is protected canopy frame crossbeam shaped steel rotating device

Info

Publication number: CN216074815U
Application number: CN202122028674.0U
Authority: CN
Inventors: 王瑞强; 范小叶; 刘洋; 刘常泉; 谈宏生; 崔亚波; 熊克威; 全有维; 梅江涛
Original assignee: Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Current assignee: Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-03-18
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a beam profile steel rotating device of a bridge dismantling protective shed frame, which comprises steel pipe stand columns and a working disc arranged at the upper ends of the steel pipe stand columns; the working disc is of a double-layer structure and comprises an upper-layer fixed plate and a lower-layer connecting plate, and an upright post for supporting and fixing is arranged in the middle of the working disc; the upper end of the upper fixing plate is connected with the section steel, the lower end of the lower connecting plate is connected with the steel pipe upright post, and a driving mechanism is further arranged between the upper fixing plate and the lower connecting plate. The hydraulic telescopic top drives and controls the hydraulic telescopic top to stretch and contract in the sliding groove, and the upper fixing plate is driven to rotate, so that the section steel rotates and longitudinally moves until the installation of the cross beam is completed. The device has guaranteed bridge below driving pedestrian and construction operation personnel safety, makes the crossbeam construction swift, high-efficient again.

Description

Bridge is demolishd and is protected canopy frame crossbeam shaped steel rotating device

Technical Field

The utility model relates to the technical field of dismantling of a protective shed frame, in particular to a beam profile steel rotating device of a protective shed frame for bridge dismantling.

Background

The bridge often stridees across linear structures such as high speed or river, and professional team also regularly maintains the bridge, when the bridge demolishs newly-built, needs the below to set up the protection rack, guarantees pedestrian, driving and construction operation personnel safety below. However, the space below the bridge is limited, and the working surface is limited because a part of the space below the bridge is short of the working surface.

The mounting and dismounting of the shed frame are to mount the buttresses on two sides, the buttresses are generally steel pipe columns, the buttresses are easy to mount, and the difficulty lies in the mounting and construction of the cross beam.

SUMMERY OF THE UTILITY MODEL

The utility model adopts the beam profile steel rotating device of the bridge dismantling protective shed frame, ensures the safety of pedestrians and construction operators under the bridge, and ensures that the beam construction is rapid and efficient.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a beam profile steel rotating device of a bridge dismantling protective shed frame comprises steel pipe stand columns and a working disc arranged at the upper ends of the steel pipe stand columns; the working disc is of a double-layer structure and comprises an upper-layer fixed plate and a lower-layer connecting plate, and an upright post for supporting and fixing is arranged in the middle of the working disc;

the upper end of the upper layer fixing plate is connected with profile steel, and is provided with a positioning pin and a profile steel anchoring bolt for positioning and fixing the profile steel; the lower end of the lower connecting plate is connected with a steel pipe upright post;

still be provided with actuating mechanism between upper fixed plate and the lower floor's connecting plate, actuating mechanism includes spout and hydraulic telescoping top, the spout sets up the lower extreme at upper fixed plate, hydraulic telescoping top sets up the upper end at the connecting plate of lower floor, hydraulic telescoping top swing joint spout.

Further, the locating pin sets up in the both sides of shaped steel, and every side is provided with 1 at least.

Further, the upper fixing plate and the lower connecting plate are circular plates with the same size and scale

Furthermore, the stand sets up perpendicularly between upper fixed plate and the lower floor connecting plate, and both ends are connected with the centre of a circle position of upper fixed plate and lower floor connecting plate respectively about and.

Further, the material of working disc and spout is high strength thickening steel sheet.

Furthermore, a slotted hole for a steel anchoring bolt to pass through is formed in the corresponding position of the section steel; when the section steel can not be perforated, two sides of the section steel are fixed by anchor bolts.

Further, the shaped steel anchor bolt is a high-strength lengthened bolt.

Further, a pressing plate is arranged between the anchoring bolt and the section steel.

Furthermore, the pressing plate is made of waste steel plates.

Compared with the prior art, the utility model has the advantages that:

under the old bridge demolishs the condition, the protection rack is demolishd in old bridge structure below ann, and partial bridge below lacks the working face, and the working face is too limited, and the shaped steel crossbeam can't hoist and mount. The utility model solves the problem of mounting and dismounting the profile steel by arranging the device for rotating the beam profile steel of the bridge dismounting protective shed frame: the hydraulic telescopic top drives and controls the hydraulic telescopic top to stretch and contract in the sliding groove, and the upper fixing plate is driven to rotate, so that the section steel rotates and longitudinally moves until the installation of the cross beam is completed. The device has guaranteed bridge below driving pedestrian and construction operation personnel safety, makes the crossbeam construction swift, high-efficient again.

Drawings

FIG. 1 is a schematic view of the overall structure of a beam section steel rotating device of a bridge dismantling protective shed frame;

FIG. 2 is a schematic structural view of a work tray;

FIG. 3 is a schematic view of the upper end surface of the upper fixing plate;

FIG. 4 is a schematic view of the upper end surface of the lower connecting plate;

FIG. 5 is a schematic view of an edge support coupled to a work plate;

in the figure: 1. the working plate, 2, steel pipe stand, 3, hydraulic stretching top, 4, spout, 5, locating pin, 6, shaped steel anchor bolt, 7, shaped steel, 8, upper fixing plate, 9, lower floor's connecting plate, 10, stand, 11, limit support.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model. ,

example 1

Referring to the attached drawings 1-5, a bridge demolition protection shed frame beam section steel rotating device comprises steel pipe upright columns 2 and a working disc 1 arranged at the upper ends of the steel pipe upright columns 2; the working disc 1 is of a double-layer structure and comprises an upper-layer fixing plate 8 and a lower-layer connecting plate 9, and an upright post 10 for supporting and fixing is arranged in the middle; the upper end of the upper layer fixing plate 8 is connected with a section steel 7, and a positioning pin 5 and a section steel anchoring bolt 6 for positioning and fixing the section steel 7 are arranged; the lower end of the lower connecting plate 9 is connected with the steel pipe upright post 2; still be provided with actuating mechanism between upper fixed plate 8 and the lower floor's connecting plate 9, actuating mechanism includes spout 4 and hydraulic telescoping top 3, spout 4 sets up the lower extreme at upper fixed plate 8, hydraulic telescoping top 3 sets up the upper end at lower floor's connecting

plate

9, 3 swing joint spouts 4 on hydraulic telescoping top.

Specifically, the positioning pins 5 are arranged on two sides of the section steel 7, and at least 1 positioning pin is arranged on each side; the upper fixing plate 8 and the lower connecting plate 9 are circular plates with the same size and scale; the upright column 10 is vertically arranged between the upper-layer fixing plate 8 and the lower-layer connecting plate 9, and the upper end and the lower end of the upright column are respectively connected with the circle center positions of the upper-layer fixing plate 8 and the lower-layer connecting plate 9.

It should be noted that a slot hole for the steel anchoring bolt 6 to pass through is formed in a corresponding position of the steel 7. Preferably, the working disc 1 and the sliding groove 4 are made of high-strength thickened steel plates; the section steel anchor bolt 6 is a high-strength long bolt; the positioning pin 5 adopts different specifications and sizes and can fix the section steel 7 with different sizes.

Example 2

When the section steel 7 can not be perforated, two sides of the section steel 7 are fixed by anchor bolts. A pressure plate is arranged between the anchor bolt and the section steel 7.

Preferably, the pressing plate is made of waste steel plates, and hole sites slightly larger than the diameter of the anchoring bolts are drilled for anchoring.

The method comprises the following operation steps:

please refer to fig. 5: the working plate 1 is connected with the side support 11 by bolting or welding; placing the section steel 7 serving as a cross beam at the clamping position of a positioning pin 5 of an upper layer fixing plate 8, and fixing the tail end of the section steel on the upper layer fixing plate 8 by using a section steel anchoring bolt 6; the hydraulic telescopic roof 3 is connected and controlled to work in a telescopic way in the chute 4, so that the upper layer fixing plate 8 rotates to drive the section steel 7 to rotate; after the section steel 7 rotates in place, the section steel moves in place longitudinally and is fixed; and repeating the steps until the beam is installed (the dismantling process is opposite).

As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A bridge demolition protection shed frame beam profile steel rotating device is characterized by comprising steel pipe stand columns (2) and a working disc (1) arranged at the upper ends of the steel pipe stand columns (2); the working disc (1) is of a double-layer structure and comprises an upper-layer fixing plate (8) and a lower-layer connecting plate (9), and an upright post (10) for supporting and fixing is arranged in the middle;

the upper end of the upper layer fixing plate (8) is connected with section steel (7), and a positioning pin (5) and a section steel anchoring bolt (6) for positioning and fixing the section steel (7) are arranged; the lower end of the lower connecting plate (9) is connected with a steel pipe upright post (2);

still be provided with actuating mechanism between upper fixed plate (8) and lower floor's connecting plate (9), actuating mechanism includes spout (4) and hydraulic telescoping top (3), spout (4) set up the lower extreme at upper fixed plate (8), hydraulic telescoping top (3) set up the upper end at lower floor's connecting plate (9), hydraulic telescoping top (3) swing joint spout (4).

2. The device for rotating the cross beam steel of the bridge dismantling protection shed frame according to claim 1, characterized in that the positioning pins (5) are arranged on both sides of the steel (7), and at least 1 pin is arranged on each side.

3. The turning device of the beam section steel of the bridge demolition protection canopy frame according to claim 1, characterized in that the upper fixing plate (8) and the lower connecting plate (9) are circular plates with consistent size scale

4. The device for rotating the cross beam section steel of the bridge dismantling protective shed frame according to claim 3, characterized in that the upright columns (10) are vertically arranged between the upper fixing plate (8) and the lower connecting plate (9), and the upper end and the lower end of the upright columns are respectively connected with the circle centers of the upper fixing plate (8) and the lower connecting plate (9).

5. The device for rotating the cross beam section steel of the bridge dismantling protective shed frame according to claim 1, wherein the working plate (1) and the sliding groove (4) are made of high-strength thickened steel plates.

6. The device for rotating the cross beam profile steel of the bridge dismantling protective shed frame according to claim 1, wherein the profile steel (7) is provided with a slotted hole at a corresponding position for a profile steel anchor bolt (6) to pass through; when the section steel (7) can not be perforated, two sides of the section steel (7) are fixed by adopting anchor bolts.

7. A device for rotating beam section steel of bridge dismantling protection canopy frame according to claim 6, characterized in that said section steel anchor bolt (6) is a high-strength long bolt.

8. A device for rotating beam section steel of a bridge dismantling protective shed according to claim 7, characterized in that a pressure plate is arranged between the anchor bolt and the section steel (7).

9. The device for rotating the cross beam section steel of the bridge dismantling protective shed frame according to claim 8, wherein the pressing plate is made of waste steel plates.