CN111851976A - Sizing operation platform used around internal climbing type movable arm tower crane and installation method thereof - Google Patents

Sizing operation platform used around internal climbing type movable arm tower crane and installation method thereof Download PDF

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Publication number
CN111851976A
CN111851976A CN202010603166.8A CN202010603166A CN111851976A CN 111851976 A CN111851976 A CN 111851976A CN 202010603166 A CN202010603166 A CN 202010603166A CN 111851976 A CN111851976 A CN 111851976A
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CN
China
Prior art keywords
operation platform
frame
sizing
tower crane
steel
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Pending
Application number
CN202010603166.8A
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Chinese (zh)
Inventor
卢帅
邓星星
邓志峰
刘波
何军伟
曾祥炘
陈志军
纪学灵
陈建廷
王辉
彭建良
吉登松
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Zhongtian Huanan Construction Investment Group Co ltd
Zhongtian Construction Group Co Ltd
Original Assignee
Zhongtian Huanan Construction Investment Group Co ltd
Zhongtian Construction Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongtian Huanan Construction Investment Group Co ltd, Zhongtian Construction Group Co Ltd filed Critical Zhongtian Huanan Construction Investment Group Co ltd
Priority to CN202010603166.8A priority Critical patent/CN111851976A/en
Publication of CN111851976A publication Critical patent/CN111851976A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/24Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
    • E04G3/246Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons following the inside contour of a building

Abstract

The invention discloses a regularization operation platform for the periphery of an inner climbing type movable arm tower crane, which comprises a regularization frame, a bearing foundation and a telescopic support, wherein the regularization frame is formed by welding upright columns and cross beams and provides stable frame support, the bearing foundation is arranged at the bottom of the regularization frame, the telescopic support is arranged on the outer side of the bottom of the bearing foundation, a steel sleeve with the thickness of 15mm is sleeved outside 18# I-steel of the bearing foundation and slides through a sliding bearing, after the steel sleeve slides in place, the steel sleeve is locked through a buckle, the regularization frame is formed by splicing four surfaces, and the surfaces are fixedly connected through a U-shaped hoop in a fastening mode. The platform is 0.5 m away from the shear wall edge and 1 m away from the tower crane standard knot, meets the safe use space required by the hoisting of the sizing operation platform, is novel and practical in structure, simple in installation method and use method, can flexibly and accurately assemble wall templates in the elevator shaft to provide an operation platform, is convenient to operate, ensures safety and improves construction efficiency.

Description

Sizing operation platform used around internal climbing type movable arm tower crane and installation method thereof
Technical Field
The invention relates to the field of construction machinery devices, in particular to a sizing operation platform used around an internal climbing type movable arm tower crane.
Background
With the progress of science and technology and the limitation of land resources, the requirements of people for buildings gradually get closer to the height of the buildings, and then higher and higher skyscrapers appear. The application of the swing arm type tower crane follows, and the swing arm type crane is a crane capable of rotating up and down. The boom structure of the large-scale swing-arm crane adopts a 'rod' structure, and has better stability performance compared with a 'beam' structure of a horizontal-arm tower crane, the proportion of the boom structure occupying the whole structure is smaller, and the maximum lifting capacity is larger. The large-scale movable arm crane has the functions of outward climbing, inward climbing and walking, and modern large-scale building engineering adopts a steel or steel and concrete combined structure, so that the weight of a hoisting unit is greatly improved, and the special-shaped and combined structure usually reaches 32 tons and maximally reaches more than 80 tons. Large boom cranes are therefore equipped with heavy primary hoisting systems, with a maximum hoisting capacity of typically 32 to 100 tons. The large lifting height adopts a special climbing system, so that the crane can climb along with the whole building structure, and the lifting height is greatly improved.
An internal climbing tower crane, called an internal climbing crane for short, is a tower crane installed in an elevator shaft or a staircase in a building and can climb upwards gradually along with the construction process. The internal climbing tower crane can occupy a place in the unprecedented market of the external attached self-elevating tower crane, and management departments list recommended development directions and have incomparable superiority and development value: the tower crane is constructed in the building, does not occupy the construction site, is suitable for on-site narrow projects, and is particularly beneficial to urban area reconstruction and extension projects; tracks do not need to be laid, a reinforced concrete foundation does not need to be specially manufactured, construction preparation is simple (only holes need to be reserved, strength is locally improved), and cost is saved; a plurality of anchoring devices and complex attachment operation are not needed; the working range is large. The inner climbing tower is arranged in the middle of the building to cover the building, so that the range of extending out of the building is small, and surrounding obstacles, sidewalks and the like are effectively avoided; because the crane boom can be shorter, the hoisting performance can be fully exerted; the construction requirement can be met only by a small number of standard sections and a common tower body of 30 meters (wind load is small), one-time investment is low, the height of the building is higher, economic benefits are more obvious, and the like.
The formwork installation and concrete pouring of the wall body around the internal climbing type movable arm tower crane become a construction difficulty, and the operation frame is difficult to erect. Therefore, in order to solve the problems, the sizing operation platform for the periphery of the internal climbing type movable arm tower crane is provided.
Disclosure of Invention
The invention provides a regularization operation platform for the periphery of an inner climbing type movable arm tower crane, which solves the problem that the formwork installation and concrete pouring of the wall body around the existing inner climbing type movable arm tower crane become serious construction difficulties because an operation frame is difficult to erect.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a regularization operation platform around being used for interior climbing formula swing arm tower crane, is including regularization frame, bearing basis and telescopic support, the regularization frame is formed by stand and crossbeam welding, and stand and crossbeam all adopt 40mm 80mm galvanized side's pipe, provides stable frame support, the bottom of regularization frame is provided with the bearing basis, just the bearing basis adopts 18# I-steel, the outside of bearing basis bottom is provided with telescopic support, just telescopic support adopts thickness to slide at the 18# I-steel outside of bearing basis for 15mm steel casing pipe box, slides through slide bearing, treats the back that slides and targets in place, locks through the buckle and dies, the regularization frame is formed by four face concatenations, and the fixed mode adoption U type hoop straining between face and the face is connected.
Preferably, the inner side surface of the sizing frame is hermetically provided with a steel plate net, the thickness of the steel plate net is 0.6mm, the aperture is 5mm, and the wind shielding coefficient is 0.6.
Preferably, the stereotyped frame platform in the steel screen outside is provided with the scaffold board, just the scaffold board is operation platform's the guidance tape that crosses, the scaffold board adopts the decorative pattern steel springboard of 250mm width, 45mm thickness to lay, and the part adopts decorative pattern steel sheet to fill up.
Preferably, the U-shaped hoop is made of Q235 steel with the diameter of 18mm, and after the split frame bodies are hoisted, the adjacent two frame bodies are screwed down through the U-shaped hoop and bolts to form a whole.
Preferably, the outer edge of the scaffold board is provided with a foot blocking board extending upwards, and the foot blocking board is continuously arranged on the operation platform by adopting an iron plate with the height of 200 mm.
Preferably, the regularization frame inside in the scaffold board outside is fixed with prevents the railing, just it adopts Q235 steel preparation, two-layer to prevent the railing install upper and lower passageway between the scaffold board, just upper and lower passageway adopts Q235 standard steel cat ladder.
Preferably, the outer edge of the bottom of the sizing frame is provided with a turnover plate, the turnover plate is made of Q235 standard steel, and the turnover plate is covered by the turnover plate to effectively prevent objects from falling.
The installation method for the sizing operation platform around the internal climbing type movable arm tower crane is characterized by comprising the following steps of:
s1, setting a platform position, wherein the platform is 0.5 m away from the shear wall edge and 1 m away from the standard section of a tower crane, so that the safe use space required by hoisting of a sizing operation platform is met;
s2, splicing 10 shaped frames in a vertical direction and 2 frames in a horizontal direction to form a single-side structure main body of the operation platform;
s3, correspondingly arranging a bearing foundation at the bottom of the single-sided structure main body, and correspondingly arranging a telescopic support outside the bottom of the bearing foundation;
s3, a steel plate net is densely distributed on the surface of the inner side of the sizing frame, a sizing frame platform on the outer side of the steel plate net is provided with a scaffold board, and a protective railing is fixed inside the sizing frame on the outer side of the scaffold board;
s4, installing upper and lower channels between the scaffold boards, wherein the upper and lower channels are made of Q235 standard steel to form a ladder stand;
s5, arranging a plate turning on the outer edge of the bottom of the sizing frame;
s6, hoisting each single side of the assembled sizing operation platform by adopting a movable arm crane on the premise of ensuring safety and integrity of the assembled frame body, ensuring that the turning plate is retracted and the telescopic support is in a contracted state, adjusting the telescopic support to be in an extended state after hoisting is in place, and fixing the telescopic support on the main structure elevator well beam;
S7, after the four-side operation platform is hoisted in place, the two adjacent support body installation errors are checked and adjusted to reduce the errors, the U-shaped hoops are adopted to be screwed up through the bolts to be rigidly connected between the support bodies, the operation platform is integrally fixed by rigid connection, so that the operation platform becomes a whole, and then the turnover plate is turned over to complete installation.
The use method for the sizing operation platform around the internal climbing type movable arm tower crane is characterized in that the construction process of the sizing operation platform around the internal climbing type movable arm tower crane is used, when the concrete pouring of the layer is completed and the concrete strength meets the design requirement, the rigid connection of the frame body is dismantled, the frame body is respectively hoisted to the upper layer by taking the surface as a unit, and the construction steps are repeated until the main body structure is capped.
The invention has the beneficial effects that: the invention mainly aims to provide a construction operation platform for installing wall templates around an inner climbing type tower crane, wherein the platform is 0.5 m away from the shear wall edge and 1 m away from the standard section of a tower crane, so that the safe use space required by hoisting of a standardized operation platform is met; this operation platform novel structure, practicality, can be nimble accurate for wall form assembles provides operation platform in the elevator well, convenient operation guarantees safety, improves the efficiency of construction, can control the support body through the sleeve flexible of cover outside the I-steel and stand on the structure roof beam.
The installation method is set by a single surface, and then the surface is fixedly installed between the surfaces, so that the installation method and the use method are simple and practical, and the construction efficiency and the construction safety are effectively improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic top view of the present invention.
Reference numbers in the figures: 1. a column; 2. a scaffold board; 3. a cross beam; 4. steel plate nets; 5. a load-bearing foundation; 6. a retractable support; 7. a U-shaped hoop; 8. a foot blocking plate; 9. a guard rail; 10. an upper channel and a lower channel; 11. and (4) turning over the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a regularization operation platform for climbing formula swing arm tower crane is around, including regularization frame, bearing basis 5 and telescopic support 6, the regularization frame is formed by stand 1 and crossbeam 3 welding, and stand 1 and crossbeam 3 all adopt 40mm 80mm galvanized square pipe, mainly be for this device transmission vertical force and guarantee the support body stability, and provide stable frame support, the long and wide size of regularization frame is 1780mm 700mm, the operation platform of each side needs 10 regularization frame welds to form, 10 regularization frames become 5 of vertical direction, 2 concatenation of horizontal direction are constituteed, the bottom of regularization frame is provided with bearing basis 5, and bearing basis 5 adopts 18# I-steel, the outside of bearing basis 5 bottom is provided with telescopic support 6, and telescopic support 6 adopts the 18# I-steel sleeve outside of bearing basis 5 for 15mm thickness, slide through slide bearing, treat the slip back that targets in place, lock through the buckle and die, but regularization operation platform handling in-process telescopic support 6 is in the contraction state to in regularization operation platform handling, when regularization operation platform operating condition, telescopic support 6 is in the state of stretching out, fixes on the major structure roof beam, and two adjacent support bodies prevent that allowable error control is within 50mm, the regularization frame is formed by four face concatenations, and the mode of fixing between face and the face adopts U type hoop 7 straining to be connected.
The steel plate net 4 is hermetically arranged on the inner side surface of the sizing frame, the thickness of the steel plate net 4 is 0.6mm, the aperture is 5mm, and the wind shielding coefficient is 0.6, so that the steel plate net 4 can effectively ensure the safety of operation workers while ensuring the impact resistance, stability and durability of the operation platform; the sizing frame platform on the outer side of the steel plate net 4 is provided with a scaffold plate 2, the scaffold plate 2 is a traffic lane plate of the operation platform, the scaffold plate 2 is laid by a patterned steel springboard with the width of 250mm and the thickness of 45mm, and the local part of the scaffold plate is filled by a patterned steel plate; the U-shaped hoop 7 is made of Q235 steel with the diameter of 18mm, and after the split frame bodies are hoisted, the U-shaped hoop 7 and bolts are used for screwing two adjacent frame bodies to form a whole, so that the frame bodies are connected and the integrity of the frame bodies is effectively improved; the outer edge of the scaffold board 2 is provided with a foot baffle board 8 extending upwards, and the foot baffle board 8 is continuously arranged on the operation platform by adopting an iron plate with the height of 200mm, so that people can be prevented from slipping down and falling of tools and concrete fragments; a protective railing 9 is fixed inside the shaping frame on the outer side of each scaffold board 2, the protective railing 9 is made of Q235 steel and is used for preventing personnel from falling from high altitude, an upper channel 10 and a lower channel 10 are arranged between the two layers of scaffold boards 2, the upper channel 10 and the lower channel 10 are made of Q235 standard steel crawling ladders and are used for facilitating the personnel to go up and down; the outside edge of regularization frame bottom is provided with reprint 11, just reprint 11 adopts Q235 standard steel preparation, and reprint 11 covers can effectively prevent to fall the thing, and the tower crane handling in-process turns over 11 and closes on the scaffold board 2 of platform.
The working principle is as follows: this be used for regularization operation platform around interior climbing formula swing arm tower crane, its main objective provides construction operation platform for wall form installation around the interior climbing formula tower crane, and this platform is apart from shear force wall limit 0.5 meter, saves 1 meter apart from the tower crane standard, satisfies the required safe usage space of regularization operation platform hoist and mount, during the use:
preparing required materials and mounting tools, and assembling a sizing operation platform in a planning yard in the hoisting range of a tower crane;
installing the stereotyped operating platform according to the stereotyped operating platform deepened design drawing, and splicing each surface into an independent operating platform;
on the premise of ensuring safety and the integrity of the assembled frame body, the movable arm crane is adopted to hoist the assembled sizing operation platform, the turning plate 11 is ensured to be retracted, the telescopic support 6 is in a contracted state, and when the movable arm crane is lifted in place, the telescopic support is adjusted to be in an extended state and fixed on the main structure elevator shaft beam;
after the four-side operation platform is hoisted in place, the installation errors of two adjacent frame bodies are checked and adjusted to reduce the errors, the frame bodies are rigidly connected by screwing down the U-shaped hoops 7 through bolts, the operation platform is integrally fixed by rigid connection to form the operation platform into a whole, and then the turning plate 11 is turned over;
After the installation is accomplished, carry out the inspection by project full-time safety responsible person band team to regularization operation platform and check and accept, the inspection is checked and is accepted the item and is had: the verticality of the frame body, the flatness of the scaffold plate 2, the installation tightness of the bolts, the integral rigidity of the frame body and the like can be put into use after the acceptance is qualified;
according to the construction process of the sizing operation platform around the internal climbing type movable arm tower crane, after the concrete pouring of the layer is completed and the strength of the concrete reaches the design requirement, the rigid connection of the frame body is dismantled, the frame body is respectively hoisted to the upper layer by taking the surface as a unit, and the construction steps are repeated until the main body structure is capped.
The installation method for the sizing operation platform around the internal climbing type movable arm tower crane is characterized by comprising the following steps of:
s1, setting a platform position, wherein the platform is 0.5 m away from the shear wall edge and 1 m away from the standard section of a tower crane, so that the safe use space required by hoisting of a sizing operation platform is met;
s2, splicing 10 shaped frames in a vertical direction and 2 frames in a horizontal direction to form a single-side structure main body of the operation platform;
s3, correspondingly arranging a bearing foundation at the bottom of the single-sided structure main body, and correspondingly arranging a telescopic support outside the bottom of the bearing foundation;
S3, a steel plate net is densely distributed on the surface of the inner side of the sizing frame, a sizing frame platform on the outer side of the steel plate net is provided with a scaffold board, and a protective railing is fixed inside the sizing frame on the outer side of the scaffold board;
s4, installing upper and lower channels between the scaffold boards, wherein the upper and lower channels are made of Q235 standard steel to form a ladder stand;
s5, arranging a plate turning on the outer edge of the bottom of the sizing frame;
s6, hoisting each single side of the assembled sizing operation platform by adopting a movable arm crane on the premise of ensuring safety and integrity of the assembled frame body, ensuring that the turning plate is retracted and the telescopic support is in a contracted state, adjusting the telescopic support to be in an extended state after hoisting is in place, and fixing the telescopic support on the main structure elevator well beam;
s7, after the four-side operation platform is hoisted in place, the two adjacent support body installation errors are checked and adjusted to reduce the errors, the U-shaped hoops are adopted to be screwed up through the bolts to be rigidly connected between the support bodies, the operation platform is integrally fixed by rigid connection, so that the operation platform becomes a whole, and then the turnover plate is turned over to complete installation.
The use method for the sizing operation platform around the internal climbing type movable arm tower crane is characterized in that the construction process of the sizing operation platform around the internal climbing type movable arm tower crane is used, when the concrete pouring of the layer is completed and the concrete strength meets the design requirement, the rigid connection of the frame body is dismantled, the frame body is respectively hoisted to the upper layer by taking the surface as a unit, and the construction steps are repeated until the main body structure is capped.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. A regularization operation platform used around an internal climbing type movable arm tower crane comprises a regularization frame, a bearing foundation (5) and a telescopic support (6), it is characterized in that the forming frame is formed by welding a vertical column (1) and a cross beam (3), the upright posts (1) and the cross beams (3) adopt galvanized square tubes of 40mm multiplied by 80mm to provide stable frame support, the bottom of the sizing frame is provided with a bearing foundation (5), the bearing foundation (5) adopts 18# I-steel, the outer side of the bottom of the bearing foundation (5) is provided with a telescopic support (6), and the telescopic support saddle (6) is sleeved outside the 18# I-steel of the bearing foundation (5) by a steel sleeve with the thickness of 15mm, slide through slide bearing, wait to slide the back that targets in place, lock through the buckle and die, the regularization frame is formed by four face concatenations, and fixed mode adoption U type hoop (7) straining connection between face and the face.
2. The operation platform for forming the periphery of the internal climbing type movable arm tower crane according to claim 1, wherein a steel plate net (4) is arranged on the inner side surface of the forming frame in a sealing mode, the thickness of the steel plate net (4) is 0.6mm, the aperture is 5mm, and the wind shielding coefficient is 0.6.
3. The operation platform for the sizing around the internal climbing type movable arm tower crane according to claim 2 is characterized in that a sizing frame platform on the outer side of the steel plate net (4) is provided with a scaffold board (2), the scaffold board (2) is a passage board of the operation platform, the scaffold board (2) is paved by adopting a patterned steel springboard with the width of 250mm and the thickness of 45mm, and the local part of the scaffold board is filled by adopting a patterned steel plate.
4. The operation platform for the sizing around the internal climbing type movable arm tower crane according to claim 1, wherein the U-shaped hoop (7) is made of Q235 steel with the diameter of 18mm, and after the split frame bodies are hoisted, the U-shaped hoop (7) and bolts are used for screwing the two adjacent frame bodies to form a whole.
5. The operation platform for sizing the periphery of the internal climbing type movable arm tower crane according to claim 3, wherein the outer edge of the scaffold plate (2) is provided with a foot blocking plate (8) extending upwards, and the foot blocking plate (8) is continuously arranged on the operation platform by adopting an iron plate with the height of 200 mm.
6. The operation platform for the sizing surrounding the internal climbing type movable arm tower crane is characterized in that a protective railing (9) is fixed inside a sizing frame on the outer side of the scaffold board (2), the protective railing (9) is made of Q235 steel, an upper channel (10) and a lower channel (10) are installed between the two layers of scaffold boards (2), and the upper channel (10) and the lower channel (10) are made of Q235 standard steel ladders.
7. The operation platform for the sizing around the internal climbing type movable arm tower crane according to claim 1, wherein the outer edge of the bottom of the sizing frame is provided with a turning plate (11), the turning plate (11) is made of Q235 standard steel, and the turning plate (11) is covered with a cover capable of effectively preventing objects from falling.
8. The installation method for the sizing operation platform around the internal climbing boom tower crane according to the claims 1-7, characterized by comprising the following steps:
s1, setting a platform position, wherein the platform is 0.5 m away from the shear wall edge and 1 m away from the standard section of a tower crane, so that the safe use space required by hoisting of a sizing operation platform is met;
s2, splicing 10 shaped frames in a vertical direction and 2 frames in a horizontal direction to form a single-side structure main body of the operation platform;
S3, correspondingly arranging a bearing foundation at the bottom of the single-sided structure main body, and correspondingly arranging a telescopic support outside the bottom of the bearing foundation;
s3, a steel plate net is densely distributed on the surface of the inner side of the sizing frame, a sizing frame platform on the outer side of the steel plate net is provided with a scaffold board, and a protective railing is fixed inside the sizing frame on the outer side of the scaffold board;
s4, installing upper and lower channels between the scaffold boards, wherein the upper and lower channels are made of Q235 standard steel to form a ladder stand;
s5, arranging a plate turning on the outer edge of the bottom of the sizing frame;
s6, hoisting each single side of the assembled sizing operation platform by adopting a movable arm crane on the premise of ensuring safety and integrity of the assembled frame body, ensuring that the turning plate is retracted and the telescopic support is in a contracted state, adjusting the telescopic support to be in an extended state after hoisting is in place, and fixing the telescopic support on the main structure elevator well beam;
s7, after the four-side operation platform is hoisted in place, the two adjacent support body installation errors are checked and adjusted to reduce the errors, the U-shaped hoops are adopted to be screwed up through the bolts to be rigidly connected between the support bodies, the operation platform is integrally fixed by rigid connection, so that the operation platform becomes a whole, and then the turnover plate is turned over to complete installation.
9. The use method of the sizing operation platform around the internal climbing type movable arm tower crane is characterized in that the construction process of the sizing operation platform around the internal climbing type movable arm tower crane is that when the concrete pouring of the layer is completed and the strength of the concrete meets the design requirement, the rigid connection of the frame body is detached, the frame body is respectively hoisted to the upper layer by taking the surface as a unit, and the construction steps are repeated until the main body structure is capped.
CN202010603166.8A 2020-06-29 2020-06-29 Sizing operation platform used around internal climbing type movable arm tower crane and installation method thereof Pending CN111851976A (en)

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Publication number Priority date Publication date Assignee Title
CN112482561A (en) * 2020-12-02 2021-03-12 上海席得建筑设计有限公司 Wall structure attaches in core section of thick bamboo

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