CN115788073A - Climbing method for attached discharging platform - Google Patents
Climbing method for attached discharging platform Download PDFInfo
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- CN115788073A CN115788073A CN202211514121.9A CN202211514121A CN115788073A CN 115788073 A CN115788073 A CN 115788073A CN 202211514121 A CN202211514121 A CN 202211514121A CN 115788073 A CN115788073 A CN 115788073A
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- 230000009194 climbing Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000007599 discharging Methods 0.000 title claims abstract description 17
- 239000004567 concrete Substances 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000001012 protector Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The invention provides an attached type discharging platform climbing method, and relates to the technical field of climbing of discharging platforms, wherein the method comprises an upper hanger, a lower hanger, an electric hoist, a vertical guide rail, a chain and an M16 bolt. The hanging pieces and the concrete are fixed in place, and the electric hoists tension the chains, so that the stress condition of each hoist is basically consistent. And pre-tightening the lifting chain, checking the conditions of the lifting point, the guide rail and the electric hoist, and lifting the attached lifting scaffold of the whole building at the same time during lifting. The invention realizes the attachment and support structure arranged on the engineering structure and depends on self synchronous lifting equipment, is convenient to install and disassemble, has high construction speed, and can effectively shorten the construction period of material dumping of workers.
Description
Technical Field
The invention provides a climbing method for an attached unloading platform, and relates to the technical field of climbing of unloading platforms.
Background
The unloading platform is used as an operation platform for temporary material turnover in building construction and is used in a large amount in the building construction process all the time. In the construction process of a reinforced concrete structure, in the prior art, embedded parts are usually embedded in the floor surface in advance, overhanging h-shaped steel is inserted after concrete pouring is completed and strength is achieved, the overhanging h-shaped steel is used as a main stress member of a safety protection platform, and then the overhanging safety protection platform is erected.
For example, CN212743427U is a climbing type unloading platform, but how to implement an attached climbing type unloading platform that goes through an attached supporting structure arranged on an engineering structure and depends on its own synchronous lifting device to lift along a building along with the progress of the engineering construction needs to be implemented.
Disclosure of Invention
In order to solve the technical problems, the inventor obtains the technical scheme of the invention through practice and summary, and the invention discloses an attached type unloading platform climbing method, which comprises the following steps:
step one; the hanging pieces are fixed on the structural concrete by adopting M16 bolts, square wood supports are arranged at the bottoms of the hanging pieces, the horizontal distance between the hanging pieces and the vertical guide rail is about 335mm, the floors are arranged into multiple layers from bottom to top, and the first floor is arranged at the bottommost part;
the strength of concrete at the position of the support attached to each floor is not lower than C20, a bolt penetrates through the wall from the inner side, a gasket and a nut are added on the inner side for fixing, and the bolt is ensured to extend out of the end face of the nut by at least 3 screw threads after the nut is screwed down;
step two; after the hanging piece is fixed, the electric hoists are installed on the lower hanging frame, the chains are tensioned, a plurality of electric hoists are installed on the vertical guide rail, and the stress conditions of the hoists are basically consistent; the concrete strength of the wall structure of which the upper layer is required to be attached with the fixed attaching support is not less than C20, and the concrete strength of the wall structure at the attaching position of the hanging piece is not less than C20, so that the lifting can be carried out;
step three; pre-tightening the lifting chain, checking the lifting points, the vertical guide rail, the electric hoist, the condition of the attached support, the condition of the sealing plate and the like, performing self-checking on a tool and a climbing frame accessory, timely correcting and modifying problems, and lifting after the correction and modification are qualified;
step four; after the preparation work is finished and the lifting can be confirmed, the lifting can be started, the attached lifting scaffold of the whole building is synchronously lifted during the lifting, and the whole building can be lifted in place once when the building is stopped by a self-propelled machine without fault alarm;
step five; when the lower layer of fixed attachment support is lifted to leave the vertical guide rail, stopping lifting, unloading the fixed attachment support, moving the fixed attachment support to the upper layer, aligning the fixed attachment support with the vertical guide rail, and then continuously lifting;
step six; the machine is stopped in place after a floor slab is lifted, the whole number of sealing plates facing one side of the floor slab is closed, all unloading top braces are jacked, and unloading work can be carried out after the whole number of the unloading top braces are fixedly tightened;
step seven; when unloading is started, the lifting chains are all loosened and connected to the unloading top support for loosening, the unloading time is not more than 1min, and otherwise, the unloading is carried out again after the unloading top support is fastened again;
step eight; when all the floor positions are reliably unloaded, chain rewinding work is carried out, a motor connected with an electric hoist is reversely rotated during chain rewinding, and an automatic chain rewinding system restores the chain to a state before lifting; and repeating the third step to the seventh step, namely shutting down and stopping the machine, completing one-time lifting, and performing rechecking again to be used continuously next time.
In a further technical scheme, the attached discharging platform comprises an adjusting pull rod, a protective fence and an operating platform; one end of the operating platform is installed on the vertical guide rail, one end of the adjusting pull rod is connected with the operating platform, and the other end of the operating platform is connected with the vertical guide rail.
In a further technical scheme, the bottom of the attachment support also comprises a falling protector.
In a further technical scheme, the vertical guide rails comprise two groups of channel steel which are oppositely welded, and at least three groups of attached supports are installed on each group of vertical guide rails during climbing.
In a further technical scheme, the adjusting pull rod comprises a seamless steel pipe, a pipe sleeve and locking nuts positioned at two ends, wherein external threads are arranged outside the seamless steel pipe, internal threads are arranged in the pipe sleeve, and the seamless steel pipe is installed in the pipe sleeve and locked through the locking nuts.
In a further technical scheme, the protective fence is welded by a 60 × 30 × 25mm rectangular pipe, the height of the protective fence is 1.35m, and the protective fence is closed by installing a steel plate net on the inner side.
In a further technical scheme, the size of the operation platform is 1.72m × 3.5m, the face plate is made of checkered plates, and 16# channel steel is used for supporting under the face plate.
In a further technical scheme, the parameters of the electric hoist are that the rated lifting capacity is 5 tons, the length of a chain is 6 meters, the net weight of a single machine is about 56Kg, the power of a motor is 500W, and the lifting speed is 15cm/min.
Compared with the prior art, the invention can obtain the following technical effects:
1. the platform of unloading is that separate each other is not influenced with climbing the frame to promote alone.
2. This platform of unloading can promote always to the top, and the difference goes other platforms of unloading to the restriction of promoting the floor.
3. The vertical guide rail is connected with the chain by the electric hoist in the lifting process, so that repeated tower dismantling is not needed, and the time cost is saved. The discharging platform is light, convenient to mount and dismount, high in construction speed, capable of effectively shortening the construction period of worker discharging, free of influence on construction of a main structure, capable of effectively reducing construction cost, and remarkable in economic benefit.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a simplified diagram of a lifting device according to the present invention;
FIG. 2 is a schematic view of the discharge platform of the present invention prior to lifting;
FIG. 3 is a schematic view of an attachment bracket of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 2;
FIG. 5 is a diagrammatic view of one step of the lift of the discharge platform of the present invention;
FIG. 6 is a diagrammatic view of the discharge platform of the present invention after it has been raised;
fig. 7 is a schematic view of an adjustment tie bar of the present invention.
In the figure: 1. an upper hanger; 2. a vertical guide rail; 3. a chain; 4. an electric hoist; 5. a lower hanging bracket; 6. an M16 bolt; 7. a hanger; 8. attaching a support; 9. a sealing plate; 11. unloading and shoring; 12. adjusting the pull rod; 13. a protective fence; 14. an operating platform; 15. a safety catch; 16. seamless steel pipes; 17. pipe sleeve; 18. and locking the nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The application of the principles of the present invention will be further described with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1 to 7, a method for climbing an attached discharging platform according to an embodiment of the present invention includes the following steps:
step one; the hanging pieces 7 are fixed on the structural concrete by M16 bolts 6, square timber supports are installed at the bottoms of the hanging pieces 7, the horizontal distance between the hanging pieces 7 and the vertical guide rail 2 is about 335mm, multiple floors are arranged from bottom to top, and the first floor is arranged at the bottommost part of the floors;
the strength of concrete at the position of the attachment support 8 of each floor is not lower than C20, a bolt penetrates through the wall from the inner side, a gasket and a nut are added on the inner side for fixing, and the bolt is ensured to extend out of the end face of the nut by at least 3 screw threads after the nut is screwed down;
step two; after the hanger 7 is fixed, the electric hoist 4 is arranged on the lower hanger 5, and the chain is tensioned, so that a plurality of electric hoists are arranged on the vertical guide rail 2, and the stress conditions of the hoists are basically consistent; the concrete strength of the wall structure of which the upper layer is required to be attached and fixed with the support 8 must not be less than C20, and the concrete strength of the wall structure at the attachment part of the hanging part 7 must not be less than C20, so that the lifting can be carried out;
step three; pre-tightening the lifting chain 3, checking the lifting points, the vertical guide rail 2, the electric hoist 4, the condition of the attached support 8, the condition of the sealing plate 9 and the like, performing self-checking on a tool and a climbing frame accessory, timely correcting and modifying problems, and lifting after the correction and modification is qualified;
step four; after the preparation work is finished and the lifting can be confirmed, the lifting can be started, the attached lifting scaffold of the whole building is synchronously lifted during the lifting, and the whole building can be lifted in place once when the building is stopped by a self-propelled machine without fault alarm;
step five; when the lower layer of fixed attachment support 8 is lifted to leave the vertical guide rail 2, stopping lifting, unloading the fixed attachment support 8 to the upper layer and aligning the vertical guide rail 2 for installation, and then continuously lifting;
step six; after a floor slab is lifted, the machine is stopped in place, the whole number of the sealing plates 9 facing one side of the floor slab is closed, all the unloading top braces 11 are jacked, and unloading work can be carried out after the whole number of the unloading top braces 11 are fixedly tightened;
step seven; when unloading is started, the lifting chain 3 is completely loosened and is connected to the unloading top support 11 to be loosened, the unloading time is not more than 1min, otherwise, the unloading is carried out again after the unloading top support 11 is fastened again;
step eight; when all floor positions are reliably unloaded, chain rewinding work is carried out, a motor connected with the electric hoist 4 is reversely rotated during chain rewinding, and the automatic chain rewinding system restores the chain 3 to a state before lifting; and repeating the third step to the seventh step, shutting down and stopping the machine, completing one-time lifting, and performing rechecking again to obtain the product for next continuous use.
As shown in fig. 6, the attached discharging platform comprises an adjusting pull rod 12, a protective fence 13 and an operating platform 14; one end of the operating platform 14 is installed on the vertical guide rail 2, one end of the adjusting pull rod 12 is connected with the operating platform 14, and the other end of the operating platform 14 is connected with the vertical guide rail 2.
As shown in fig. 3, the bottom of the attachment support 8 also includes a fall arrester 15.
The vertical guide rails 2 comprise two groups of channel steel which are oppositely welded, and at least three groups of attachment supports 8 are installed on each group of vertical guide rails 2 when climbing.
As shown in fig. 7, the adjusting pull rod 12 includes a seamless steel pipe 16, a pipe sleeve 17 and locking nuts 18 at both ends, wherein the seamless steel pipe 16 is externally provided with external threads, the pipe sleeve 17 is internally provided with internal threads, and the seamless steel pipe 16 is installed in the pipe sleeve 17 and locked by the locking nuts 18.
The protection fence 13 is welded by 60 × 30 × 25mm rectangular pipes, the height is 1.35m, and the inner side is provided with a steel plate net for sealing. The size of the operation platform 14 is 1.72m × 3.5m, the face plate is made of checkered plates, and 16# channel steel is used for supporting under the face plate. The parameters of the electric hoist are that the rated lifting capacity is 5 tons, the length of the chain is 6 meters, the net weight of a single machine is about 56Kg, the power of the motor is 500W, and the lifting speed is 15cm/min.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (8)
1. An attached type unloading platform climbing method is characterized by comprising the following steps:
step one; the hanging pieces (7) are fixed on the structural concrete by adopting M16 bolts (6), square timber supports are arranged at the bottoms of the hanging pieces, the horizontal distance between the hanging pieces (7) and the vertical guide rail (2) is about 335mm, the floors are arranged into multiple layers from bottom to top, and the first floor is arranged at the bottommost part;
the strength of concrete at the position of the attachment support (8) of each floor is not lower than C20, a bolt penetrates through the wall from the inner side, a gasket and a nut are added on the inner side for fixing, and the bolt is ensured to extend out of the end face of the nut by at least 3 screw threads after the nut is screwed down;
step two; after the hanging piece (7) is fixed, the electric hoists (4) are installed on the lower hanging frame (5), the chains are tensioned, a plurality of electric hoists are installed on the vertical guide rail (2), and the stress conditions of the hoists are basically consistent; the concrete strength of the wall structure of which the upper layer is required to be attached and fixed with the attaching support (8) is not less than C20, and the concrete strength of the wall structure at the attaching position of the hanging piece (7) is not less than C20, so that the lifting can be carried out;
step three; pre-tightening the lifting chain (3), checking the lifting points, the vertical guide rail (2) and the electric hoist (4), the condition of the attached support (8), the condition of the sealing plate (9) and the like, self-checking the using tools and the climbing frame accessories, timely correcting and modifying the problems, and lifting after the correction and modification are qualified;
step four; after the preparation work is finished and the lifting can be confirmed, the lifting can be started, the attached lifting scaffold of the whole building is synchronously lifted during the lifting, and the whole building can be lifted in place once when the building is stopped by a self-propelled machine without fault alarm;
step five; when the lower layer fixed attachment support (8) is lifted to leave the vertical guide rail (2), the lifting is stopped, the fixed attachment support (8) is unloaded and moved down to the upper layer and is aligned with the vertical guide rail (2) for installation, and then the lifting can be continued;
step six; the machine is stopped in place after a floor slab is lifted, the unloading top braces (11) are completely jacked after the sealing plates (9) facing one side of the floor slab are completely closed, and unloading work can be carried out after the unloading top braces (11) are completely fixed and tightened;
step seven; when unloading is started, the lifting chain (3) is completely loosened and is connected with the unloading top support (11) for loosening, the unloading time is not more than 1min, otherwise, the unloading is carried out again after the unloading top support (11) is fastened again;
step eight; when all floor positions are reliably unloaded, chain rewinding work is carried out, a motor connected with an electric hoist (4) is reversely rotated during chain rewinding, and an automatic chain rewinding system restores the chain (3) to a state before lifting; and repeating the third step to the seventh step, namely shutting down and stopping the machine, completing one-time lifting, and performing rechecking again to be used continuously next time.
2. The method for climbing an attached discharging platform according to claim 1, wherein: the attached discharging platform comprises an adjusting pull rod (12), a protective fence (13) and an operating platform (14); one end of the operating platform (14) is installed on the vertical guide rail (2), one end of the adjusting pull rod (12) is connected with the operating platform (14), and the other end of the operating platform (14) is connected with the vertical guide rail (2).
3. The method for climbing an attached discharging platform according to claim 1, wherein: the bottom of the attachment support (8) also comprises a falling protector (15).
4. The method for climbing an attached discharging platform according to claim 1, wherein: the vertical guide rail (2) comprises two groups of channel steel which are oppositely welded, and at least three groups of attached supports (8) are installed on each group of vertical guide rail (2) when climbing.
5. The method for climbing an attached discharging platform according to claim 1, wherein: the adjusting pull rod (12) comprises a seamless steel pipe (16), a pipe sleeve (17) and locking nuts (18) located at two ends, external threads are arranged outside the seamless steel pipe (16), internal threads are arranged in the pipe sleeve (17), and the seamless steel pipe (16) is installed in the pipe sleeve (17) and locked through the locking nuts (18).
6. The method for climbing an attached discharging platform according to claim 1, wherein: the protection fence (13) is welded by a 60 × 30 × 25mm rectangular pipe, the height is 1.35m, and the inner side of the protection fence is provided with a steel plate net for sealing.
7. The method for climbing an attached discharging platform according to claim 1, wherein: the size of the operation platform (14) is 1.72m x 3.5m, the face plate is made of checkered plates, and 16# channel steel is used for supporting under the face plate.
8. The method for climbing an attached discharging platform according to claim 1, wherein: the parameters of the electric hoist are that the rated lifting capacity is 5 tons, the length of the chain is 6 meters, the net weight of a single machine is about 56Kg, the power of the motor is 500W, and the lifting speed is 15cm/min.
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CN202211514121.9A CN115788073A (en) | 2022-11-29 | 2022-11-29 | Climbing method for attached discharging platform |
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CN202211514121.9A CN115788073A (en) | 2022-11-29 | 2022-11-29 | Climbing method for attached discharging platform |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018171119A1 (en) * | 2017-03-21 | 2018-09-27 | 中国葛洲坝集团三峡建设工程有限公司 | Hydraulic self-lifting truss-type heavy arch dam formwork system using cantilever |
CN210460016U (en) * | 2019-04-04 | 2020-05-05 | 山东天元工程科技有限公司 | Integrated form single power lift material platform |
CN213268983U (en) * | 2020-09-01 | 2021-05-25 | 北京城建六建设集团有限公司 | Self-climbing discharging platform |
CN214575825U (en) * | 2020-12-15 | 2021-11-02 | 江苏盛浩工程科技有限公司 | Attached lifting unloading platform |
CN216380629U (en) * | 2021-10-27 | 2022-04-26 | 中国建筑第二工程局有限公司 | Self-lifting type silencing dust-settling unloading platform |
CN216766719U (en) * | 2021-12-22 | 2022-06-17 | 广东豪杰安防科技有限公司 | Climb frame platform of unloading |
-
2022
- 2022-11-29 CN CN202211514121.9A patent/CN115788073A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018171119A1 (en) * | 2017-03-21 | 2018-09-27 | 中国葛洲坝集团三峡建设工程有限公司 | Hydraulic self-lifting truss-type heavy arch dam formwork system using cantilever |
CN210460016U (en) * | 2019-04-04 | 2020-05-05 | 山东天元工程科技有限公司 | Integrated form single power lift material platform |
CN213268983U (en) * | 2020-09-01 | 2021-05-25 | 北京城建六建设集团有限公司 | Self-climbing discharging platform |
CN214575825U (en) * | 2020-12-15 | 2021-11-02 | 江苏盛浩工程科技有限公司 | Attached lifting unloading platform |
CN216380629U (en) * | 2021-10-27 | 2022-04-26 | 中国建筑第二工程局有限公司 | Self-lifting type silencing dust-settling unloading platform |
CN216766719U (en) * | 2021-12-22 | 2022-06-17 | 广东豪杰安防科技有限公司 | Climb frame platform of unloading |
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