阅读说明：本技术 一种狭小空间内贝雷架整体水平滑移定点拆除方法 (Method for removing bailey frames in small space by wholly sliding horizontally and fixing points ) 是由 任栩志 李胜波 严柳青 陈永杰 陆人垲 于 2021-07-26 设计创作，主要内容包括：一种狭小空间内贝雷架整体水平滑移定点拆除方法,包括以下步骤：测量需拆除贝雷架、狭小空间的长、宽、高数据并做好要记录；将测量的数据录入工控机的BIM信息模型模拟系统,通过工控机的BIM信息模型模拟系统模拟贝雷架在狭小空间内水平滑移动画；在电动叉车内部设置控制模块、信号接收模块,通过的工控机的BIM信息模型模拟系统将模拟的数据传送至两台电动叉车的控制模块；将两台遥控电动叉车拖住贝雷架的两端；通过工控机的BIM信息模型模拟系统控制两台电动叉车水平滑移至拆除位置。该狭小空间内贝雷架整体水平滑移定点拆除方法采用水平滑移定点拆除的方式拆除大型构件,施工方便,施工效率高,极大的降低了施工作业安全隐患。(A method for dismantling the whole horizontal sliding fixed point of a bailey frame in a narrow space comprises the following steps: measuring length, width and height data of a small space in which a Bailey truss needs to be dismantled and recording the data; inputting measured data into a BIM information model simulation system of an industrial personal computer, and simulating horizontal slippage animation of the bailey frame in a narrow space through the BIM information model simulation system of the industrial personal computer; a control module and a signal receiving module are arranged in the electric fork-lift truck, and simulated data are transmitted to the control modules of the two electric fork-lift trucks through a BIM information model simulation system of the industrial personal computer; dragging two remote control electric forklifts to two ends of the bailey frames; and controlling the two electric forklifts to horizontally slide to the dismantling position through a BIM information model simulation system of the industrial personal computer. According to the method for removing the whole Bailey truss horizontally sliding fixed points in the narrow space, the large-scale member is removed by adopting a mode of removing the Bailey truss horizontally sliding fixed points, construction is convenient, construction efficiency is high, and potential safety hazards of construction operation are greatly reduced.)

1. The method for dismantling the whole horizontal sliding fixed point of the bailey truss in a narrow space is characterized by comprising the following steps of: the method for dismantling the whole horizontal sliding fixed point of the bailey truss in the narrow space comprises the following steps:

(1) measuring length, width and height data of a Bailey truss needing to be dismantled and making records, measuring length, width and height data of a narrow space where the Bailey truss is located and making records, measuring length, width and height data of the Bailey truss horizontally sliding to an appointed position and making records;

(2) preparing an industrial personal computer, inputting measured data into a BIM information model simulation system of the industrial personal computer, simulating horizontal sliding animation of the bailey frame in a narrow space through the BIM information model simulation system of the industrial personal computer, determining a horizontal sliding route of the bailey frame and a fixed-point centralized dismantling position, avoiding collision with a wall column of an internal structure of a building, and ensuring smooth development of bailey frame dismantling work;

(3) selecting two electric forklifts to modify, arranging a control module and a signal receiving module in each electric forklift, establishing communication with the industrial personal computer in the step (2) through the signal receiving module of each electric forklift, and transmitting simulated data to the control modules of the two electric forklifts through a BIM (building information modeling) system of the industrial personal computer;

(4) dragging the bailey frames by small-sized hoisting equipment and adjusting the bailey frames to required height positions, dragging two ends of the bailey frames by two remote control electric forklifts, and slowly putting down the bailey frames by the small-sized hoisting equipment so as to stably place the bailey frames on the two electric forklifts;

(5) and controlling the two electric forklifts to horizontally slide to the dismantling position through a BIM information model simulation system of the industrial personal computer.

2. The method for dismantling the whole horizontal sliding fixed point of the bailey truss in the narrow space according to claim 1, is characterized in that: and (4) the small hoisting equipment is a small hydraulic jack or a small pallet hydraulic forklift.

3. The method for dismantling the whole horizontal sliding fixed point of the bailey truss in the narrow space according to claim 1 or 2, which is characterized in that: and (4) arranging a pulley inner side expansion bolt fixed type angle steel guide rail for providing the electric forklift in a narrow space, and ensuring the whole horizontal sliding of the electric forklift.

4. The method for dismantling the whole horizontal sliding fixed point of the bailey truss in the narrow space according to claim 3, is characterized in that: and (4) installing radar alarms at corresponding positions around the bailey frames to be dismantled, and giving an alarm to remind when the bailey frames are close to the surrounding building wall columns.

Technical Field

The invention relates to the technical field of building construction, in particular to a method for dismantling a bailey truss in a narrow space by wholly sliding horizontally and fixing a point.

Background

In recent years, in the construction process of an ultrahigh large formwork support system of a large-span portal concrete roof structure inside a large-scale mall or ultrahigh-rise commercial office building complex structure, the adoption of a bailey truss and i-steel as a formwork system support platform is a construction method which is widely applied, but after the concrete pouring of the roof is completed, in the dismantling process of the large-span bailey truss in a narrow space inside a building structure, the construction period, the cost and the safety management cannot be effectively controlled, and generally, the dismantling method of the bailey truss in the narrow space is two types: firstly, if the operation space in the construction building structure is large, a corresponding number of Bailey frames are added at one end of each Bailey frame for butt joint so as to increase the balance weight at the tail part of the Bailey frame, and finally, a fixed winch of a structural floor pulls the Bailey beam at the cross-empty part out of a structural opening, so that the construction safety is ensured. Secondly, the rings are embedded in the positions of the floors right above the Bailey beams before the concrete is poured on the top plates of the large-span openings, the Bailey beams are dragged out of the large-span openings by the aid of the electric hoists and the winding engine matched with the steel pipes, requirements for the internal dismantling operation space of the building are low in the method, the number of the electric hoists is increased, the potential safety hazards are increased when construction cost is increased by means of mutual matching and dismantling of multiple mechanical devices and workers, and safety management difficulty is greatly improved. Therefore, the traditional construction method for dismantling the Bailey beam in the building still cannot meet the modern construction requirement.

Disclosure of Invention

The invention mainly aims to solve the defects, provides the large Bailey beam for successfully and quickly dismantling the narrow space position, greatly reduces the construction cost, greatly reduces the safety risk, and provides important significance and value for the research and application of the construction technology of the high and large formwork support system of the large market complex.

A method for dismantling the whole horizontal sliding fixed point of a bailey frame in a narrow space comprises the following steps: (1) measuring length, width and height data of a Bailey truss needing to be dismantled and making records, measuring length, width and height data of a narrow space where the Bailey truss is located and making records, measuring length, width and height data of the Bailey truss horizontally sliding to an appointed position and making records; (2) preparing an industrial personal computer, inputting measured data into a BIM information model simulation system of the industrial personal computer, simulating horizontal sliding animation of the bailey frame in a narrow space through the BIM information model simulation system of the industrial personal computer, determining a horizontal sliding route of the bailey frame and a fixed-point centralized dismantling position, avoiding collision with a wall column of an internal structure of a building, and ensuring smooth development of bailey frame dismantling work; (3) selecting two electric forklifts to modify, arranging a control module and a signal receiving module in each electric forklift, establishing communication with the industrial personal computer in the step (2) through the signal receiving module of each electric forklift, and transmitting simulated data to the control modules of the two electric forklifts through a BIM (building information modeling) system of the industrial personal computer; (4) dragging the bailey frames by small-sized hoisting equipment and adjusting the bailey frames to required height positions, dragging two ends of the bailey frames by two remote control electric forklifts, and slowly putting down the bailey frames by the small-sized hoisting equipment so as to stably place the bailey frames on the two electric forklifts; (5) and controlling the two electric forklifts to horizontally slide to the dismantling position through a BIM information model simulation system of the industrial personal computer.

Further, the step (4) of the method for dismantling the whole bailey truss in the narrow space in the horizontal sliding and fixed point mode is that a small hydraulic jack and a small tray hydraulic forklift are adopted through a small hoisting device.

Further, step (4) of the method for removing the bailey frames in the narrow space at the whole horizontal sliding fixed points further comprises the step of arranging an expansion bolt fixed type angle steel guide rail on the inner side of the pulley for providing the electric forklift in the narrow space, so that the electric forklift is ensured to horizontally slide in the whole.

Further, the step (4) of the method for dismantling the whole Bailey truss horizontally sliding and fixing the point in the narrow space further comprises the step of installing radar alarms at corresponding positions around the Bailey truss to be dismantled, and alarming and reminding are carried out when the Bailey truss is close to the wall column of the surrounding building.

Compared with the prior art, the invention has the beneficial technical effects that: the method for dismantling the whole horizontal sliding fixed point of the bailey truss in the narrow space adopts the horizontal sliding fixed point dismantling mode to dismantle the large-scale member, is convenient to construct, simple to install and high in construction efficiency, greatly reduces the potential safety hazard of construction operation, reduces the construction process steps, can carry out turnover construction for a long time, and saves the cost.

Detailed Description

The principles and features of this invention are described below in conjunction with examples which are set forth to illustrate, but are not to be construed to limit the scope of the invention.

A method for dismantling the whole horizontal sliding fixed point of a bailey frame in a narrow space comprises the following steps: (1) measuring length, width and height data of a Bailey truss needing to be dismantled and making records, measuring length, width and height data of a narrow space where the Bailey truss is located and making records, measuring length, width and height data of the Bailey truss horizontally sliding to an appointed position and making records; (2) preparing an industrial personal computer, inputting measured data into a BIM information model simulation system of the industrial personal computer, simulating horizontal sliding animation of the bailey frame in a narrow space through the BIM information model simulation system of the industrial personal computer, determining a horizontal sliding route of the bailey frame and a fixed-point centralized dismantling position, avoiding collision with a wall column of an internal structure of a building, and ensuring smooth development of bailey frame dismantling work; (3) selecting two electric forklifts to modify, arranging a control module and a signal receiving module in each electric forklift, establishing communication with the industrial personal computer in the step (2) through the signal receiving module of each electric forklift, and transmitting simulated data to the control modules of the two electric forklifts through a BIM (building information modeling) system of the industrial personal computer; (4) dragging the bailey frames by small-sized hoisting equipment and adjusting the bailey frames to required height positions, dragging two ends of the bailey frames by two remote control electric forklifts, and slowly putting down the bailey frames by the small-sized hoisting equipment so as to stably place the bailey frames on the two electric forklifts; (5) and controlling the two electric forklifts to horizontally slide to the dismantling position through a BIM information model simulation system of the industrial personal computer.

The method is light, flexible, rapid and safe, and the small hydraulic jack and the small tray hydraulic forklift are adopted, so that safety measures and stability in the bailey beam hoisting construction process are taken into consideration. The method for removing the bailey frames in the narrow space by wholly and horizontally sliding and fixing the bailey frames in the narrow space comprises the step (4) of using small-sized hoisting equipment as a small-sized hydraulic jack and a small-sized tray hydraulic forklift.

The horizontal sliding fixed-point dismantling construction technology of the large-scale component is adopted, the forklift at two ends of the Bailey beam is lifted to adjust the horizontal, the expansion bolt fixed type angle steel guide rail is arranged on the inner side of the pulley to form integral horizontal sliding, and the anti-overturning capacity of the Bailey frame in the pushing process is reasonably calculated, so that the method is safe and reliable, and the operation is simple and convenient. The step (4) of the method for removing the Bailey frames in the whole horizontal sliding fixed point in the narrow space further comprises the step of arranging an expansion bolt fixed type angle steel guide rail on the inner side of the pulley for providing the electric forklift in the narrow space, so that the whole horizontal sliding of the electric forklift is ensured. The method is characterized by further comprising the step of installing radar alarms at corresponding positions around the bailey frames to be disassembled, and alarming and reminding when the bailey frames are close to the surrounding building wall columns. Under the condition of guaranteeing construction safety, the engineering construction progress is accelerated, the construction cost is reduced, the safety risk in the hoisting process is greatly reduced, the limitation of narrow space when the Bailey beam is dismantled in the building main structure is also successfully avoided, the purposes of saving the field, saving the construction period and reducing the construction cost and the safety risk are achieved, good economic benefit is brought to the project by the rationality and the scientificity of the construction scheme, and the method has certain popularization and reference significance.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.