CN116065800A - Design method of movable construction platform for inside of high-rise factory building and construction platform - Google Patents

Abstract

The invention belongs to the technical field of engineering construction, and discloses a design method of a movable construction platform for the interior of a large factory building and a construction platform. The design method comprises the steps of determining a working load, determining a running path, determining a size, designing and checking a structure, and processing and testing the movable construction platform. The working platform is arranged above the construction platform, and the working vehicle is arranged on the top surface of the working platform; the four corners below are respectively fixed with a supporting piece, each supporting piece comprises a steering wheel, a base and lifting hydraulic cylinders which are sequentially overlapped from bottom to top, and base connection section steel and reinforcing steel are fixedly connected between the adjacent lifting hydraulic cylinders; and a control system for controlling the steering of the steering wheel and the synchronous lifting of the lifting hydraulic cylinder is also arranged. The design method considers the internal cross construction requirement of the large factory building, and determines the technical parameters of each module through the modularized design method. The movable construction platform is high in safety, small in occupied area and convenient to move, and the site construction efficiency inside a high-rise factory building is improved.

Description

Design method and construction platform for movable construction platform used in tall factory buildings

technical field

The invention belongs to the technical field of engineering construction, and in particular relates to a design method and a construction platform for a movable construction platform inside a tall factory building.

Background technique

With the development of society, various buildings and complex construction site conditions have put forward higher requirements for construction machines and construction methods. During the construction inside the tall factory building, it is necessary to use the construction platform to carry out the work. The most common way is to set up scaffolding inside the tall space, and then lay wooden boards to meet the construction conditions. However, some construction scenarios, such as pits in the construction area, do not meet the conditions for erecting scaffolding; even if scaffolding can be erected, the construction process requires a lot of labor, the assembly time is long and the efficiency is low, and it needs to be disassembled after use; secondly, for those with special process requirements For tall and large space building workshops, the construction of other process equipment inside the workshop will be seriously affected after the scaffolding is completed.

The title of the invention disclosed in the Chinese patent literature database is a movable and liftable large load-bearing construction platform and its use method (application number is 202110181308.0). The technical solution provided is to set a mobile elevator in the middle of the bottom of the construction platform; The lower part of the four corners is provided with an adjustable steel supporting member, and the upper end of the adjustable steel supporting member is connected and fixed with the construction platform; the lower end of the adjustable steel supporting member is connected and fixed with the ground. The construction platform moves to the predetermined working position through the mobile elevator in the middle, controls the mobile elevator to lift the construction platform to the predetermined elevation, and erects adjustable steel support members. However, the moving space of the above-mentioned device is limited by the square steel support members, so it is difficult to realize large-scale construction operations.

The title of the invention disclosed in the Chinese patent literature database is an elevating construction platform for housing construction (application number is 201820944810.6). The upper end of the base is fixedly connected with two telescopic hydraulic cylinders along the horizontal direction, and the telescopic ends of the two telescopic hydraulic cylinders are fixedly connected with a construction platform, and both sides of the upper end of the base are fixedly connected with protective plates, and the two protective plates Hollow grooves corresponding to the positions of the construction platforms are respectively provided on the side walls of the two hollow grooves. The upper and lower opposite inner walls of the two hollow grooves are fixedly connected with guide shafts. Two sliding shafts are fixedly connected between the protective plates, and the two sliding shafts are symmetrically arranged on both sides of the two telescopic hydraulic cylinders, and the side walls of the two sliding shafts are slidably sleeved with telescopic mechanisms. Both sides of the lower end of the construction platform are provided with bar-shaped slide rails corresponding to the positions of the sliding shafts, and the upper end of the telescopic mechanism is slidably connected to the bar-shaped slide rails. However, the base of the above-mentioned device is low, and the construction will be affected when there are obstacles in the walking area; at the same time, due to the small structure of the device, it is difficult to meet the construction requirements of tall factories.

At present, there is an urgent need to develop a design method and a construction platform for a movable construction platform used in tall workshops.

Contents of the invention

One technical problem to be solved by the present invention is to provide a design method for a movable construction platform used inside a tall factory building. Another technical problem to be solved by the present invention is to provide a movable construction platform used inside a tall factory building. To improve the efficiency of on-site construction inside tall factory buildings.

The design method for the movable construction platform inside the tall factory building of the present invention comprises the following steps:

S10. Investigate the passages between the various operating environments, and determine the walking path;

S20. Measure the minimum height hmin, maximum height hmax and maximum width b1 of obstacles on the walking path;

S30. Determine the movable platform work load;

Investigate the various construction environments that require cross-construction inside tall workshops, focus on the construction heights to be achieved in each construction environment and the construction distance perpendicular to the movable construction platform, and then determine the working vehicles required for construction;

Measure the length a and width b2 of the largest rectangular support plane required by the work vehicle, and determine the sum G of the weight of the work vehicle and construction materials;

S40. Determine the size of the movable construction platform;

Compare a, b1 and b2, and sort them from small to large, name the last two values in the sequence as B and A, define the length of the working platform as A+ΔL, and the width as B+ΔL, where ΔL is the support diameter;

Define the components under the work platform, the minimum height from the ground is the initial height hmin, and the maximum height from the ground is hmax;

S50. Design and check the structure of the movable construction platform;

S51. Design the structure of the movable construction platform, according to the length A+ΔL and width B+ΔL of the operation platform, set several reinforced steel connectors;

Determine a set of supports in the order of steering wheel, base and lifting hydraulic cylinder from bottom to top. The diameter of the support is ΔL. The same four sets of supports are placed on the four corners of the rectangle. The hydraulic cylinders are sequentially connected to the base connection section steel, and the reinforced steel is added according to the strength requirement, and the top surface of the lifting hydraulic cylinder is covered with a flat-plate type operation platform to obtain a movable construction platform;

Among them, the sum of the combined heights of the steering wheel, the base and the lifting hydraulic cylinder is greater than hmin, and the vertical distance between the lowest point of all the base connecting steel and reinforced steel and the ground is also greater than hmin, and the maximum lift of the lifting hydraulic cylinder The distance is greater than hmax-hmin; the length distance between adjacent supports is greater than A, and the width distance is greater than B;

S52. Checking the structure of the movable construction platform;

Select the steering wheel, base, lifting hydraulic cylinder, base connecting steel and reinforced steel from the commercially available products;

According to G, calculate the overall strength and the strength of each component of the mobile construction platform through the structural strength software. If the strength requirements are met, the design of the mobile construction platform is completed; otherwise, return to S51 and change the steering wheel, base, lifting hydraulic cylinder, and base connecting steel Or strengthen part or all of the steel, and continue to check until the strength requirements are met;

S60. Fabrication and testing of movable construction platforms

S61. Process the movable construction platform according to the design and verification results of S50;

S62. Move the movable construction platform to the starting point of the walking path of S20, and place the working vehicle on the upper surface of the working platform by a crane or set a slope to drive the working vehicle to the upper surface of the working platform and fix it;

S63. According to the walking path of S20, move the movable construction platform, change the direction of travel by turning the steering wheel, encounter obstacles on the walking path, and use the steering wheel comprehensively to steer the movable construction platform and lift the hydraulic cylinder according to the size of the obstacle Elevate the movable construction platform to overcome obstacles;

S64. During the test, the control system observes and records the passing conditions, and adjusts some or all of the steering wheel, base, lifting hydraulic cylinder, base connecting steel or reinforcement steel until the movable construction platform successfully completes the test and determines the control system. Control Strategy.

The mobile construction platform used in the tall workshop of the present invention is a square platform; the top of the square platform is a flat work platform, and the top surface of the work platform is placed with a work vehicle; the length of the work platform is A+ΔL, and the width is B+ ΔL; A support is respectively fixed on the four corners below the work platform, and each support includes a steering wheel, a base, and a lifting hydraulic cylinder stacked in sequence from bottom to top, and the adjacent lifting hydraulic cylinders are fixedly connected with the base connecting section steel , and according to the minimum height hmin of obstacles on the walking path and the structural strength requirements, set several reinforcing steels; the vertical distance between the lowest point of all base connecting steels and reinforcing steels and the ground is greater than hmin; between adjacent supports The length distance is greater than A, and the width distance is greater than B; the maximum lifting distance of the lifting hydraulic cylinder is greater than hmax-hmin;

The mobile construction platform is also provided with a control system, which is used to control the steering of the steering wheel and the synchronous lifting of the lifting hydraulic cylinder.

Further, the working vehicle is one of a scissors vehicle, a straight arm vehicle or an articulating arm vehicle.

Further, the steering wheel is a 360° rotating universal wheel.

Further, the base connecting section steel and reinforcing steel adopt one or more fixed connection methods of riveting, welding, mixed riveting and welding, and bolt connection.

Further, the working platform is made of high-strength patterned steel.

The design method of the movable construction platform used in the interior of tall and large workshops of the present invention comprehensively considers the internal cross-construction requirements of tall and large workshops, disassembles the movable construction platform into several assembly modules, and determines the technical parameters of each module through the modular design method , and then assembled according to specific needs. The base connecting section steel and reinforcing steel of the movable construction platform used in the tall factory building of the present invention are all made of high-strength steel to increase the strength, and the working platform is made of high-strength patterned steel to increase the surface friction, which has high safety, small footprint, The advantage of being easy to move improves the efficiency of on-site construction inside tall workshops.

Description of drawings

Fig. 1 is a structural schematic diagram of a movable construction platform used in a tall factory building according to the present invention.

In the figure, 1. Steering wheel; 2. Base; 3. Lifting hydraulic cylinder; 4. Base connection steel; 5. Reinforced steel; 6. Working platform.

Implementation

The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

Example 1

As shown in Figure 1, the design method for the movable construction platform inside the tall factory building of this embodiment includes the following steps:

S10. Investigate the passages between the various operating environments, and determine the walking path;

S20. Measure the minimum height hmin, maximum height hmax and maximum width b1 of obstacles on the walking path;

S30. Determine the movable platform work load;

Investigate the various construction environments that require cross-construction inside tall workshops, focus on the construction heights to be achieved in each construction environment and the construction distance perpendicular to the movable construction platform, and then determine the working vehicles required for construction;

Measure the length a and width b2 of the largest rectangular support plane required by the work vehicle, and determine the sum G of the weight of the work vehicle and construction materials;

S40. Determine the size of the movable construction platform;

Compare a, b1 and b2, and sort them from small to large, name the last two values in the sequence as B and A, define the length of the working platform 6 as A+ΔL, and the width as B+ΔL, and ΔL is the support diameter of;

Define the components below the working platform 6, the minimum height from the ground is the initial height hmin, and the maximum height from the ground is hmax;

S50. Design and check the structure of the movable construction platform;

S51. Designing the structure of the movable construction platform, according to the length A+ΔL and width B+ΔL of the working platform 6, setting several reinforced steel connectors;

Determine a set of supports according to the order of steering wheel 1, base 2 and lifting hydraulic cylinder 3 from bottom to top. The diameter of the support is ΔL. The same four sets of supports are placed on the four corners of the rectangle. The adjacent lifting hydraulic cylinders 3 are sequentially connected to the base connection section steel 4, and the reinforcement steel 5 is added according to the strength requirement, and the top surface of the lifting hydraulic cylinder 3 is covered with a flat-plate-shaped working platform 6 to obtain a movable construction platform;

Among them, the sum of the combined heights of the steering wheel 1, the base 2 and the lifting hydraulic cylinder 3 is greater than hmin, and the vertical distance between the lowest point of all the base connecting steel 4 and reinforced steel 5 and the ground is also greater than hmin, and the lifting The maximum lifting distance of the hydraulic cylinder 3 is greater than hmax-hmin; the length distance between adjacent supports is greater than A, and the width distance is greater than B;

S52. Checking the structure of the movable construction platform;

Select steering wheel 1, base 2, lifting hydraulic cylinder 3, base connecting steel 4 and reinforcing steel 5 among commercially available products;

According to G, calculate the overall strength and the strength of each component of the mobile construction platform through the structural strength software. If the strength requirements are met, the design of the mobile construction platform is completed; otherwise, return to S51 and change the steering wheel 1, base 2, lifting hydraulic cylinder 3, Part or all of the base connecting section steel 4 or reinforced steel 5 shall continue to be checked until the strength requirements are met;

S60. Fabrication and testing of movable construction platforms

S61. Process the movable construction platform according to the design and verification results of S50;

S62. Move the movable construction platform to the starting point of the walking path of S20, and place the working vehicle on the upper surface of the working platform 6 by a crane or set a slope to drive the working vehicle to the upper surface of the working platform 6 and fix it;

S63. Move the movable construction platform according to the walking path of S20, and change the traveling direction by turning the steering wheel 1. When encountering an obstacle on the walking path, use the steering wheel 1 comprehensively to turn and lift the movable construction platform according to the size of the obstacle. The hydraulic cylinder 3 raises the movable construction platform and crosses obstacles;

S64. During the test, the control system observes and records the passing conditions, and adjusts part or all of the steering wheel 1, the base 2, the lifting hydraulic cylinder 3, the base connecting steel 4 or the reinforcing steel 5, until the movable construction platform successfully completes the test , to determine the control strategy of the control system.

The mobile construction platform used in the tall factory building of the present embodiment is a square platform; the top of the square platform is a flat work platform 6, and the top surface of the work platform 6 places a working vehicle; the length of the work platform 6 is A+ΔL, The width is B+ΔL; a support is respectively fixed on the four corners below the working platform 6, and each support includes a steering wheel 1, a base 2, and a lifting hydraulic cylinder 3 stacked in sequence from bottom to top, and the adjacent lifting hydraulic cylinder 3 are fixedly connected with base connecting steel 4, and several reinforcing steel 5 are set according to the minimum height hmin of obstacles on the walking path and structural strength requirements; The vertical distance between them is greater than hmin; the length distance between adjacent supports is greater than A, and the width distance is greater than B; the maximum lifting distance of lifting hydraulic cylinder 3 is greater than hmax-hmin;

The mobile construction platform is also provided with a control system, which is used to control the steering of the steering wheel 1 and the synchronous lifting of the lifting hydraulic cylinder 3 .

Further, the working vehicle is one of a scissors vehicle, a straight arm vehicle or an articulating arm vehicle.

Further, the steering wheel 1 is a universal wheel with 360° rotation.

Further, the base connection section steel 4 and the reinforcing steel 5 are fixedly connected by one or more of riveting, welding, mixed riveting and welding, and bolting.

Further, the working platform 6 is made of high-strength patterned steel.

Although the embodiment of the present invention has been disclosed above, it is not limited to the applications listed in the description and the embodiments, and it can be fully applied to various fields suitable for the present invention. Additional improvements and modifications will readily occur to those skilled in the art without departing from the principles of the invention, which is not limited to the specific details and examples shown and described herein.

Claims (6)

1. The design method of the movable construction platform for the interior of the high-rise factory building is characterized by comprising the following steps of:

s10, examining the paths among the working environments and determining a running path;

s20, measuring the minimum height hmin, the maximum height hmax and the maximum width b1 of the obstacle on the walking path;

s30, determining the working load of the movable platform;

examining each construction environment in the high-rise factory building, which needs to be subjected to cross construction, and focusing on examining the construction height to be reached by each construction environment and the construction distance perpendicular to the movable construction platform, so as to determine a working vehicle required by construction;

measuring the length a and the width b2 of the maximum rectangular supporting plane required by the working vehicle, and determining the sum G of the weights of the working vehicle and the construction materials;

s40, determining the size of the movable construction platform;

comparing a, B1 and B2, and sequentially naming the last two values in the sequence as B, A according to the sequence from small to large, and defining the length of the working platform (6) as A+DeltaL, the width as B+DeltaL and DeltaL as the diameter of the supporting piece;

defining the parts below the working platform (6), wherein the lowest height from the ground is an initial height hmin, and the highest height from the ground is hmax;

s50, designing and checking the structure of the movable construction platform;

s51, designing a structure of a movable construction platform, and arranging a plurality of reinforced steel connectors according to the length A+DeltaL and the width B+DeltaL of the operation platform (6);

determining a group of supporting pieces according to the sequence of the steering wheel (1), the base (2) and the lifting hydraulic cylinder (3) from bottom to top, wherein the diameter of each supporting piece is delta L, the same four groups of supporting pieces are placed on four corners of a rectangle, base connection section steel (4) is sequentially connected between adjacent lifting hydraulic cylinders (3), reinforcing steel (5) is added according to the strength requirement, and a flat-plate type working platform (6) is covered on the top surface of the lifting hydraulic cylinder (3), so that a movable construction platform is obtained;

the sum of the combined heights of the steering wheel (1), the base (2) and the lifting hydraulic cylinder (3) is larger than hmin, the vertical distance between the lowest point of all base connection section steel (4) and the reinforced steel (5) and the ground is also larger than hmin, and meanwhile, the maximum lifting distance of the lifting hydraulic cylinder (3) is larger than hmax-hmin; the length distance between adjacent supporting pieces is larger than A, and the width distance is larger than B;

s52, checking the structure of the movable construction platform;

selecting a steering wheel (1), a base (2), a lifting hydraulic cylinder (3), base connection profile steel (4) and reinforced steel (5) from commercial products;

according to the step G, calculating the overall strength of the movable construction platform and the strength of each part through structural strength software, and if the strength requirement is met, completing the design of the movable construction platform; otherwise, returning to S51, changing part or all of the steering wheel (1), the base (2), the lifting hydraulic cylinder (3), the base connecting section steel (4) or the reinforcing steel (5), and continuing checking until the strength requirement is met;

s60, machining and testing movable construction platform

S61, processing the movable construction platform according to the design and the checking result of the S50;

s62, moving the movable construction platform to a running path starting point of S20, and placing a working vehicle on the upper surface of the working platform (6) through a crane or setting a slope to drive the working vehicle to the upper surface of the working platform (6) and fixing the working vehicle;

s63, moving the movable construction platform according to the running path of the S20, changing the running direction by rotating the steering wheel (1), touching an obstacle on the running path, and comprehensively using the steering wheel (1) to steer the movable construction platform and using the lifting hydraulic cylinder (3) to lift the movable construction platform to cross the obstacle according to the size of the obstacle;

s64, in the test process, the control system observes and records the passing condition, and adjusts part or all of the steering wheel (1), the base (2), the lifting hydraulic cylinder (3), the base connecting section steel (4) or the reinforcing steel (5) until the movable construction platform successfully completes the test, and determines the control strategy of the control system.

2. A movable construction platform for the interior of a tall building, which is obtained according to the method for designing a movable construction platform for the interior of a tall building of claim 1, characterized in that the movable construction platform is a square platform; a flat work platform (6) is arranged above the square platform, and a work vehicle is arranged on the top surface of the work platform (6); the length of the working platform (6) is A+DeltaL, and the width is B+DeltaL; a supporting piece is respectively fixed on four corners below the operation platform (6), each supporting piece comprises a steering wheel (1), a base (2) and lifting hydraulic cylinders (3) which are sequentially overlapped from bottom to top, base connection section steel (4) is fixedly connected between the adjacent lifting hydraulic cylinders (3), and a plurality of reinforced steel (5) are arranged according to the minimum height hmin and the structural strength requirement of an obstacle on a running path; the vertical distance between the lowest point of all the base connecting section steel (4) and the reinforcing steel (5) and the ground is larger than hmin; the length distance between adjacent supporting pieces is larger than A, and the width distance is larger than B; the maximum lifting distance of the lifting hydraulic cylinder (3) is larger than hmax-hmin;

the movable construction platform is also provided with a control system, and the control system is used for controlling the steering wheel (1) to steer and the lifting hydraulic cylinder (3) to synchronously lift.

3. The movable construction platform for use in a tall building according to claim 2, wherein said work vehicle is one of a scissor truck, a straight arm truck or a crank arm truck.

4. The movable construction platform for the interior of a tall building according to claim 2, wherein the steering wheel (1) is a 360 ° rotating universal wheel.

5. The movable construction platform for the interior of the high-rise building according to claim 2, wherein the base connecting section steel (4) and the reinforcing steel (5) are fixedly connected in one or more of riveting, welding, rivet welding hybrid connection and bolting.

6. The movable construction platform for the interior of a tall building according to claim 2, wherein the working platform (6) is made of high-strength patterned steel.

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