WO2022233156A1 - Method for disposing lifting power apparatus in attached lifting/lowering scaffold - Google Patents

Method for disposing lifting power apparatus in attached lifting/lowering scaffold Download PDF

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Publication number
WO2022233156A1
WO2022233156A1 PCT/CN2022/072110 CN2022072110W WO2022233156A1 WO 2022233156 A1 WO2022233156 A1 WO 2022233156A1 CN 2022072110 W CN2022072110 W CN 2022072110W WO 2022233156 A1 WO2022233156 A1 WO 2022233156A1
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lifting
power equipment
height
scaffold
attached
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PCT/CN2022/072110
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French (fr)
Chinese (zh)
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苏思月
苏泉云
苏茂兵
苏燕
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苏思月
苏泉云
苏茂兵
苏燕
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Publication of WO2022233156A1 publication Critical patent/WO2022233156A1/en

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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
    • E04G3/28Mobile scaffolds; Scaffolds with mobile platforms
    • E04G3/30Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
    • E04G3/32Hoisting devices; Safety devices

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  • the invention relates to a method for arranging hoisting power equipment in an attached lifting scaffold for suspended lifting operations in the construction field.
  • high-rise and super high-rise buildings have been widely popularized, and the accompanying building equipment and construction methods are also constantly updated.
  • the construction of high-rise and super-high-rise buildings basically does not use the traditional full-height fixed scaffolding that must stand firmly on the ground, but uses the attachable lifting scaffolding that can be lifted and lowered.
  • the attached lifting scaffolding is composed of many lifting power equipment surrounding the completed part of the building, synchronously and cooperatively operated by a group of machines, according to the construction height needs of each operation stage of the different buildings to be built.
  • the standard height of the stage is used as the lifting height unit for each time.
  • the construction is carried out relying on the suspended attached lifting scaffold.
  • the floor height of the building to be built is used as the lifting height unit, and the construction height of the attached lifting scaffolding usually only needs to cover the height of 4-5 building floors.
  • the group of hoisting power equipment at each hoisting point on the periphery of the building is operated synchronously, and the attached lifting scaffold is lifted one by one, and the construction is carried out layer by layer.
  • This construction method can greatly save various construction materials and energy consumption for scaffolding, has great economic value, and can adapt to the construction requirements of buildings of any height. The advantages of energy saving and consumption reduction and environmental protection will be more significant.
  • the hoisting power equipment used to lift the attached lifting scaffold is a low-speed electric chain hoist commonly known as "electric hoist".
  • connecting structures used to connect with structures such as attached lifting scaffolds.
  • the electric hoist is hung under the lifting supporting structure such as the lifting beam that is firmly connected to the building structure layer by the connecting structure such as the hook.
  • the connecting structure is connected with the scaffold to realize the lifting and suspension positioning of the scaffold.
  • the height of the space reserved for the electric hoist for lifting operation is usually not less than 2 floors. Normal lifting and construction work requirements will not be met.
  • each structural member in the "electric hoist" suspended under the hoisting support structure such as the hoisting beam has its own inherent structural height/length.
  • the minimum distance between the upper hook and the lower hook of the electric hoist is ⁇ 700 mm (“Technical Specification for Application of Synchronous Control System of Attached Lifting Scaffolding Lift”, China Engineering Construction Association Standard CECS373:2014). Therefore, in the total lifting operation height of the electric hoist and the attached lifting scaffold, the structural height/length of each structural member in the electric hoist suspended under the lifting beam must occupy the lower part of the lifting beam.
  • the corresponding lifting distance height of the attached lifting scaffold makes the actual effective lifting space height/distance not in place, which cannot meet the needs of normal construction operations, and the height/distance part of the attached lifting scaffolding that is not in place is left on the corresponding floor. At the bottom, it becomes a suspended space under the scaffold body due to lack of blocking/blocking structure, which is a huge potential safety hazard for personnel, materials and equipment.
  • the height of the reserved lifting operation space for the electric hoist in the current attached lifting scaffold should usually be at least 2 lifting height units (that is, the standard floor height of the building floor), as shown in Figure 1.
  • the present invention provides a method for setting hoisting power equipment in an attached lifting scaffold, which can only reserve an equivalent of one lift for the hoisting power equipment in the construction height of the existing attached lifting scaffold.
  • the distance between the height units is sufficient, which has great economic value in greatly reducing construction materials and energy consumption, and can also significantly improve the safety of the attached lifting scaffold.
  • the arranging method of the hoisting power equipment in the attached elevating scaffold of the present invention is an improvement on the arranging mode of the hoisting power equipment in the existing attached elevating scaffold.
  • the hoisting power equipment is also arranged on the hoisting support structure that is firmly connected to the building, the hoisting power equipment is arranged at a position higher than the bottom plane of the hoisting support structure, and the The vertical height between the bottom plane of the hoisting power equipment and the bottom plane of the hoisting support structure where it is located, and the lifting structure parts of the hoisting power equipment including the driving mechanism and its connected lifting transmission structure and each connecting structure
  • the sum of the minimum structural vertical heights in hoisting operation is adapted.
  • the hoisting support structure that is stably connected to the building includes hoisting cantilever beams of various forms, materials, and lengths that are commonly used at present, and other corresponding alternative structures that can have the same function/function.
  • the above-mentioned arrangement of the hoisting power equipment in the position of the hoisting support structure at a position higher than the bottom plane of the hoisting support structure can be carried out in different ways.
  • the hoisting power equipment can be arranged on the upper bearing surface and the upper bearing surface of the hoisting support structure. At the "middle" position between the bottom planes, but it is more simple and convenient to arrange the hoisting power equipment support on the power equipment support structure above said hoisting support structure.
  • the above-mentioned lifting power equipment for the low-speed chain electric hoist widely used in the attachment type lifting scaffold, that is, the electric hoist, the lifting transmission structure and each connection structure, including the lifting mechanism connected to its driving mechanism.
  • the improvement of the method for setting the lifting power equipment in the attached lifting scaffold in the present invention is to move the setting position of the lifting power equipment to the part beyond the running distance of the attached lifting scaffold, avoiding the need for
  • the structural minimum vertical height of each lifting structure in the lifting power equipment itself occupies or affects the effective lifting space height, so that the lifting power equipment can ensure that the attached lifting scaffold is lifted by the lifting height unit.
  • the actual effective lifting height can be fully in place, which not only ensures the sufficient space height required for the construction, but also completely eliminates the suspended parts with potential safety hazards under the attached lifting scaffold due to the lack of the actual effective lifting height.
  • the attached lifting scaffold only one lifting height unit needs to be reserved for the lifting power equipment, that is, the total construction height of the attached lifting scaffold can be reduced compared with the existing conventional method that requires 2 lifting height units to be reserved.
  • a structural layer which can greatly reduce the huge economic value of construction materials and energy consumption, and also significantly improve the safety of the attached lifting scaffold.
  • FIG. 1 is a schematic diagram of a method for setting an electric hoist for lifting power equipment in an attached lifting scaffold at present.
  • FIG. 2 is a schematic diagram of a problem with the setting method of FIG. 1 .
  • FIG. 3 is a schematic diagram of a method for setting up lifting power equipment in the attached lifting scaffold of the present invention.
  • Figure 1 is an attached lifting scaffold currently used for the construction of high-rise buildings, in which a low-speed electric chain hoist, that is, an electric hoist, is used as a lifting power device.
  • the total construction height of the attached lifting scaffold 1 is the height of 4 building floors corresponding to the heights of floors 11, 12, 13 and 14 that have been completed in turn, that is, the height of 4 lifting height units,
  • the bottom layer 7 of the frame body corresponds to the building floor 10, and the floor 14 is the last constructed floor.
  • the hoisting support structures 2 such as common hoisting cantilever beams are stably arranged on the floor portion corresponding to the floor 12 of the building.
  • the lifting drive mechanism 4 in the electric hoist as a hoisting power equipment is arranged below the hoisting support structure 2 in a hanging manner through the upper connecting structures 3 such as hooks and hanging rings.
  • the elevating drive mechanism 4 is connected to the bottom layer 7 of the frame body of the attached elevating scaffold through the elevating transmission structure in the form of a transmission chain 5 and a lower connecting structure 6 in the form of a lower hook and a hanging ring.
  • the height equivalent to the two floors of floors 10 to 12 is the height of the lifting operation space reserved for the electric hoist to lift the attached lifting scaffolding 1.
  • the state of the attached elevating scaffold 1 before being lifted is shown in Fig. 1(A).
  • FIG. 1(B) The state of the attached lifting scaffold 1 after being lifted by an electric hoist by one lifting height unit, that is, the floor height, is shown in Figure 1(B).
  • the highest floor of the frame body is also raised to the position corresponding to the floor 15 to be constructed, and the heights of the other structural layers of the frame body of the attached lifting scaffold 1 are also corresponding to the corresponding floor positions of the building.
  • the heights of the other structural layers of the frame body of the attached lifting scaffold 1 are also corresponding to the corresponding floor positions of the building.
  • FIG. 2(A) The difference between Figure 2 and Figure 1 is that the total construction height of the attached lifting scaffold in Figure 1 is directly reduced from 4 building floors to 3 floors, and the height of the reserved lifting operation space for the electric hoist is also reduced to There is only one floor height range from floors 10 to 12, and the state before the lift is shown in Fig. 2(A). The state of the attached lifting scaffold 1 after being lifted by one floor-height lifting height unit is shown in FIG. 2(B). At this time, although the heights of the other structural layers except the structural layer where the electric hoist is located in the attached lifting scaffold 1 can be lifted to the corresponding position of the corresponding building floor, the attached lifting scaffold 1 is reserved for the electric hoist.
  • the lifting height of the structural layer of the space height due to the height h1 occupied by the sum of the structural minimum vertical heights of the electric hoists hanging under the lifting support structure 2, makes the frame of the attached lifting scaffolding 1 occupied.
  • the bottom layer 7 of the body cannot be lifted in place and is suspended under the corresponding floor 12, not only the height of the bottom layer 7 of the frame body of the attached lifting scaffold 1 cannot meet the needs of normal construction operations, but also the suspended height below the floor 12 is h2.
  • the suspended part is also a dangerous space due to lack of shelter.
  • Fig. 3 is the setting method of the hoisting power equipment in the attached lifting scaffold of the present invention, while still maintaining the hoisting support in the form of the commonly used electric hoist and other hoisting power equipment on the hoisting beam and the like that are stably connected in the building
  • the lifting drive mechanism 4 in the lifting power equipment such as the widely used low-speed chain hoist is supported on the power equipment support structure stably connected above the lifting support structure 2 such as the lifting beam 8, and make the vertical height between the bottom plane of the hoisting power equipment and the bottom plane of the hoisting support structure 2 where it is located, and the driving mechanism 4 in the hoisting power equipment and its connected lifting chain, etc.
  • the transmission structure 5 and the connection structure 6 with the attached lifting scaffold 1 are adapted to the sum of the minimum structural vertical heights of the lifting structures during the lifting operation.
  • the bottom 7 of the frame body of the attached lifting scaffold 1 corresponds to the position of the building floor 10
  • the floors 12 and 13 are the floors that have been built
  • the floor 14 is the last floor that has just been built.
  • the total height of the attached lifting scaffold 1 only needs 3 lifting height units, that is, the floor height.
  • the height of the lifting operation space reserved for the lifting power equipment is only equivalent to 1 floor height between floors 10 and 12. the lift height unit.
  • the state before the attached lift scaffold 1 is lifted is shown in FIG. 3(A).
  • the state after the attachment type lifting scaffold 1 is lifted is shown in FIG. 3(B).
  • the lifting drive mechanism 4 and other structures in the lifting power equipment have been arranged in the power equipment support structure 8 above the lifting support structure 2 beyond the height of the lifting operation space of the lifting power equipment, the attached lifting scaffolding 1.
  • the lifting height of the structure layer which reserves the lifting space height for the electric hoist and other lifting power equipment, will no longer be occupied by the structural height of each lifting structure itself, so that the actual effective lifting space of each structure layer is made.
  • the height can be fully guaranteed, the bottom layer 7 of the frame body of the attached lifting scaffold 1 can also be lifted to the position corresponding to the raised floor 12, and there is no longer a dangerous space suspended under the floor 12, which not only satisfies the requirements of various
  • the building floors can meet the needs of the normal construction operation height, so that the construction height of the current attached lifting scaffolding can be reduced by one layer, which greatly saves the consumption of construction materials and the energy consumption of lifting operation, and also improves the safety against falling and overturning. .

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Movable Scaffolding (AREA)

Abstract

A method for disposing a lifting power apparatus in an attached lifting/lowering scaffold. The lifting power apparatus is disposed at a lifting support structure firmly connected to a building; the lifting power apparatus is disposed at a position, which is higher than a lower bottom plane of the lifting support structure, in the lifting support structure; and the vertical height between a bottom plane of the lifting power apparatus and the lower bottom plane of the lifting support structure where the lifting power apparatus is located adapts to the sum of minimum structural vertical heights of lifting/lowering structural members comprising a driving mechanism, a lifting/lowering transmission structure connected to the driving mechanism and connecting structures during a lifting operation in the lifting power apparatus. According to the disposing method, the height of a reserved lifting space for a lifting power apparatus in a conventional attached lifting/lowering scaffold can be reduced from at least two lifting height units to only one lifting height unit, so that the economic value of greatly reducing construction material and energy consumption costs can be achieved, and the anti-falling and anti-overturning safety of the scaffold can be significantly increased.

Description

附着式升降脚手架中起重动力设备的设置方法Setting method of lifting power equipment in attached lifting scaffold 技术领域technical field
本发明涉及的是对建筑领域中在悬空升降作业的附着式升降脚手架中对起重动力设备的设置方法。The invention relates to a method for arranging hoisting power equipment in an attached lifting scaffold for suspended lifting operations in the construction field.
背景技术Background technique
随着社会经济的发展,特别是在城市中,高层和超高层建筑已广为普及,随之而来的建筑设备和施工方式也在不断更新。目前高层和超高层建筑的修建,基本已不采用传统必须搭建稳固矗立于地面的全高度固定式脚手架,而是用可升降的附着式升降脚手架进行施工,通过只需构建有限高度的可升降运行的附着式升降脚手架,由环绕设置于已完工部分的建筑物外围的诸多起重动力设备,通过群机同步协同操作,根据所建不同建筑物的每个作业阶段的施工高度需要,以该施工阶段的标准高度作为每次的提升高度单元,由起重动力设备将附着式升降脚手架逐次提拉升高后,依托该悬空的附着式升降脚手架进行施工。例如,对于高层楼房的修建,以所建楼房的楼层层高作为提升高度单元,所用的附着式升降脚手架的建造结构高度通常仅需覆盖4-5个建筑楼层的层高,通过环绕分布在所建楼房外围各吊点处的起重动力设备的群机同步操作,将附着式升降脚手架逐次提升后,逐层施工作业。此种施工方式能大大节省用于组建脚手架的各种施工材料和能耗,具有极大的经济价值,并且能适应对任何高度建筑物的建设要求,而随着建筑物修建高度的增加,其节能降耗和环保的优势也会更加显著。With the development of society and economy, especially in cities, high-rise and super high-rise buildings have been widely popularized, and the accompanying building equipment and construction methods are also constantly updated. At present, the construction of high-rise and super-high-rise buildings basically does not use the traditional full-height fixed scaffolding that must stand firmly on the ground, but uses the attachable lifting scaffolding that can be lifted and lowered. The attached lifting scaffolding is composed of many lifting power equipment surrounding the completed part of the building, synchronously and cooperatively operated by a group of machines, according to the construction height needs of each operation stage of the different buildings to be built. The standard height of the stage is used as the lifting height unit for each time. After the attached lifting scaffold is successively lifted and raised by the lifting power equipment, the construction is carried out relying on the suspended attached lifting scaffold. For example, for the construction of high-rise buildings, the floor height of the building to be built is used as the lifting height unit, and the construction height of the attached lifting scaffolding usually only needs to cover the height of 4-5 building floors. The group of hoisting power equipment at each hoisting point on the periphery of the building is operated synchronously, and the attached lifting scaffold is lifted one by one, and the construction is carried out layer by layer. This construction method can greatly save various construction materials and energy consumption for scaffolding, has great economic value, and can adapt to the construction requirements of buildings of any height. The advantages of energy saving and consumption reduction and environmental protection will be more significant.
目前用于提升附着式升降脚手架的起重动力设备,大多采用的是俗称“电动葫芦”的低速环链电动提升机,主要结构件包括驱动机构及其所连接的升降提拉链条等升降传动结构,以及用于与附着升降脚手架等结构相连接的连接结构等。施工时,用上挂钩等连接结构将电动葫芦吊挂在稳固连接于建筑结构层中的起重挑梁等起重承支承结构下方,通过驱动机构、升降提拉链条等升降传动结构及相应的连接结构与脚手架连接,实现对脚手架的提升和悬空定位。以目前修建楼房建筑为例,在总高度为4-5个建筑楼层层高的附着式升降脚手架中,为电动葫芦预留的提升运行的空间的高度通常不少于2个楼层层高,否则将无法满足正常的提升和施工作业要求。这是由于在吊挂在起重挑梁等起重承支承结构下方的“电动葫芦”中的各结构件分别都具有各自固有的结构性高度/长度。例如电动葫芦的上吊钩与下吊钩间的最小间距为≤700毫米(“附着式升降脚手架升降机同步控制系统应用 技术规程”,中国工程建设协会标准CECS373:2014)。因此,在电动葫芦提拉附着升降脚手架的总提升运行高度中,吊挂在起重挑梁下方的电动葫芦中的各个结构件所具有的结构性高度/长度,必然要占据起重挑梁下方的相应提升距离高度,使实际的有效提升空间高度/距离不到位,不能满足正常的施工作业需求,而且附着式升降脚手架的这一提升不到位的高度/距离部分,就被留在了相应楼层之下,成为了该脚手架体下方的一个因缺少遮拦/阻挡结构的悬空空间,是对人员及材料、设备存在的一个巨大安全隐患所在。为避免这种情况,目前附着式升降脚手架中为电动葫芦规范的预留提升运行空间的高度通常至少应为2个提升高度单元(即建筑楼层的标准层高),如图1所示。这种为解决电动葫芦等起重动力设备的结构性高度/长度而增加一个附着式升降脚手架结构层高的方式,对于本就只具有4-5个标准层高的附着式升降脚手架而言,所增加的该结构层中的多余部分的构建材料成本及因此带来的运行能耗的增大等,显然都是很大的浪费。特别是对于建设规模巨大的整个建筑行业而言,更是一种毫无意义的巨大浪费。At present, most of the hoisting power equipment used to lift the attached lifting scaffold is a low-speed electric chain hoist commonly known as "electric hoist". , and connecting structures used to connect with structures such as attached lifting scaffolds. During construction, the electric hoist is hung under the lifting supporting structure such as the lifting beam that is firmly connected to the building structure layer by the connecting structure such as the hook. The connecting structure is connected with the scaffold to realize the lifting and suspension positioning of the scaffold. Taking the current building construction as an example, in the attached lifting scaffold with a total height of 4-5 building floors, the height of the space reserved for the electric hoist for lifting operation is usually not less than 2 floors. Normal lifting and construction work requirements will not be met. This is because each structural member in the "electric hoist" suspended under the hoisting support structure such as the hoisting beam has its own inherent structural height/length. For example, the minimum distance between the upper hook and the lower hook of the electric hoist is ≤700 mm (“Technical Specification for Application of Synchronous Control System of Attached Lifting Scaffolding Lift”, China Engineering Construction Association Standard CECS373:2014). Therefore, in the total lifting operation height of the electric hoist and the attached lifting scaffold, the structural height/length of each structural member in the electric hoist suspended under the lifting beam must occupy the lower part of the lifting beam. The corresponding lifting distance height of the attached lifting scaffold makes the actual effective lifting space height/distance not in place, which cannot meet the needs of normal construction operations, and the height/distance part of the attached lifting scaffolding that is not in place is left on the corresponding floor. At the bottom, it becomes a suspended space under the scaffold body due to lack of blocking/blocking structure, which is a huge potential safety hazard for personnel, materials and equipment. In order to avoid this situation, the height of the reserved lifting operation space for the electric hoist in the current attached lifting scaffold should usually be at least 2 lifting height units (that is, the standard floor height of the building floor), as shown in Figure 1. This method of increasing the structural layer height of an attached lifting scaffold to solve the structural height/length of lifting power equipment such as electric hoists, for the attached lifting scaffold with only 4-5 standard layer heights, The increased construction material cost of the redundant part of the structure layer and the resulting increase in operating energy consumption, etc., are obviously a great waste. Especially for the entire construction industry with a huge construction scale, it is a meaningless huge waste.
发明内容SUMMARY OF THE INVENTION
鉴于此,本发明提供了一种对附着式升降脚手架中起重动力设备的设置方法,可以在现有的附着式升降脚手架的构建高度中,只需为起重动力设备预留相当于一个提升高度单元的距离即可,具有能大幅降低施工材料及能耗的巨大经济价值,还能显著提高附着式升降脚手架的安全性。In view of this, the present invention provides a method for setting hoisting power equipment in an attached lifting scaffold, which can only reserve an equivalent of one lift for the hoisting power equipment in the construction height of the existing attached lifting scaffold. The distance between the height units is sufficient, which has great economic value in greatly reducing construction materials and energy consumption, and can also significantly improve the safety of the attached lifting scaffold.
本发明附着式升降脚手架中起重动力设备的设置方法,是对现有附着式升降脚手架中的起重动力设备设置方式进行的改进。在同样将起重动力设备设置在与建筑物稳固连接的起重支承结构上的前提下,将起重动力设备设置在所述起重支承结构中高于其下方底平面的部位处,并使该起重动力设备的底平面与其所在的起重支承结构的下方底平面间的垂直高度,与起重动力设备中包括驱动机构及其所连接的升降传动结构和各连接结构在内的升降结构件在提升运行中的最小结构性垂直高度之和相适应。其中,所述的与建筑物稳固连接的起重支承结构,包括目前常用的各种形式、材料、长度的起重悬挑梁及能具有同样功能/作用的其它相应替代性结构。The arranging method of the hoisting power equipment in the attached elevating scaffold of the present invention is an improvement on the arranging mode of the hoisting power equipment in the existing attached elevating scaffold. On the premise that the hoisting power equipment is also arranged on the hoisting support structure that is firmly connected to the building, the hoisting power equipment is arranged at a position higher than the bottom plane of the hoisting support structure, and the The vertical height between the bottom plane of the hoisting power equipment and the bottom plane of the hoisting support structure where it is located, and the lifting structure parts of the hoisting power equipment including the driving mechanism and its connected lifting transmission structure and each connecting structure The sum of the minimum structural vertical heights in hoisting operation is adapted. Wherein, the hoisting support structure that is stably connected to the building includes hoisting cantilever beams of various forms, materials, and lengths that are commonly used at present, and other corresponding alternative structures that can have the same function/function.
上述将起重动力设备设置在所述起重支承结构中高于其下方底平面的部位处,可以采用不同的方式。例如,根据所用该起重支承结构而言自身结构所具有的垂直高度/厚度,在结构、材料的强度允许的条件下,可以将起重动力设备设置在该起重支承结构中上方承载面与底平面间的“中间”部位处,但更为简单方便的是将起重动力设备支承设置在位于所述起重支承结构上方的动力设备支承结构上。The above-mentioned arrangement of the hoisting power equipment in the position of the hoisting support structure at a position higher than the bottom plane of the hoisting support structure can be carried out in different ways. For example, according to the vertical height/thickness of the hoisting support structure used, under the condition that the strength of the structure and material allows, the hoisting power equipment can be arranged on the upper bearing surface and the upper bearing surface of the hoisting support structure. At the "middle" position between the bottom planes, but it is more simple and convenient to arrange the hoisting power equipment support on the power equipment support structure above said hoisting support structure.
上述的起重动力设备,对于目前附着式升降脚手架中所广泛使用的低速环链电动提升 机,即电动葫芦而言,所述的升降传动结构及和各连接结构,包括与其驱动机构连接的升降传动链条及用于与起重支承结构和/或附着式升降脚手架间的连接结构。The above-mentioned lifting power equipment, for the low-speed chain electric hoist widely used in the attachment type lifting scaffold, that is, the electric hoist, the lifting transmission structure and each connection structure, including the lifting mechanism connected to its driving mechanism. Transmission chain and connection structure for lifting support structure and/or attached lifting scaffold.
由此可见,本发明对附着式升降脚手架中起重动力设备设置方法的改进,是将起重动力设备的设置位置,移出的其对附着式升降脚手架提升的运行距离之外的部位,避免了起重动力设备中的各升降结构件自身所具有的结构性最小垂直高度对有效提升空间高度的占用或影响,使起重动力设备在以提升高度单元对附着式升降脚手架进行提升时,能保证实际的有效提升高度能足额到位,既保证了施工所需要的足够空间高度,也彻底消除了因实际有效提升高度的不到位而使附着式升降脚手架下方存在安全隐患的悬空部位,并能在附着式升降脚手架中只需为起重动力设备预留相当于1个提升高度单元,即实现使附着式升降脚手架的总构建高度,比必需预留2个提升高度单元的现有常规方式减少了一个结构层,从而能大幅降低施工材料及能耗的巨大经济价值,也显著提高了附着式升降脚手架的安全性。It can be seen that the improvement of the method for setting the lifting power equipment in the attached lifting scaffold in the present invention is to move the setting position of the lifting power equipment to the part beyond the running distance of the attached lifting scaffold, avoiding the need for The structural minimum vertical height of each lifting structure in the lifting power equipment itself occupies or affects the effective lifting space height, so that the lifting power equipment can ensure that the attached lifting scaffold is lifted by the lifting height unit. The actual effective lifting height can be fully in place, which not only ensures the sufficient space height required for the construction, but also completely eliminates the suspended parts with potential safety hazards under the attached lifting scaffold due to the lack of the actual effective lifting height. In the attached lifting scaffold, only one lifting height unit needs to be reserved for the lifting power equipment, that is, the total construction height of the attached lifting scaffold can be reduced compared with the existing conventional method that requires 2 lifting height units to be reserved. A structural layer, which can greatly reduce the huge economic value of construction materials and energy consumption, and also significantly improve the safety of the attached lifting scaffold.
以下结合由附图所示实施例的具体实施方式,对本发明上述内容再作进一步的详细说明。但不应将此理解为本发明上述主题的范围仅限于以下的实例。在不脱离本发明上述技术思想情况下,根据本领域普通技术知识和惯用手段做出的各种替换或变更,均应包括在本发明的范围内。The above content of the present invention will be further described in detail below in conjunction with the specific implementation of the embodiments shown in the accompanying drawings. However, this should not be construed as limiting the scope of the above-mentioned subject matter of the present invention to the following examples. Without departing from the above-mentioned technical idea of the present invention, various substitutions or changes made according to common technical knowledge in the art and conventional means should all be included in the scope of the present invention.
附图说明Description of drawings
图1是目前附着式升降脚手架中对起重动力设备电动葫芦的一种设置方法示意图。FIG. 1 is a schematic diagram of a method for setting an electric hoist for lifting power equipment in an attached lifting scaffold at present.
图2是图1设置方法存问题的示意图。FIG. 2 is a schematic diagram of a problem with the setting method of FIG. 1 .
图3是本发明附着式升降脚手架中起重动力设备的一种设置方法示意图。3 is a schematic diagram of a method for setting up lifting power equipment in the attached lifting scaffold of the present invention.
具体实施方式Detailed ways
图1是在目前用于修建高层楼房建筑的一种附着式升降脚手架,其中采用的是低速环链电动提升机,即电动葫芦作为起重动力设备。附着式升降脚手架1的总构建高度为与已修建完工的依次升高的楼层11、楼层12、楼层13和楼层14的高度相适应的4个建筑楼层高,即4个提升高度单元的高度,其架体底层7与建筑楼层10对应,楼层14为最后修建好的楼层。常用起重挑梁等起重支承结构2稳固设置在与建筑物楼层12对应的楼层部位。作为起重动力设备电动葫芦中的升降驱动机构4经挂钩、挂环等上连接结构3以吊挂方式设置在起重支承结构2的下方。升降驱动机构4经传动链条5等形式的升降传动结构及包括下挂钩、挂环等形式的下连接结构6与附着式升降脚手架的架体底层7连接。在附着式升降脚手架1结构的4个楼层层高中,相当于楼层10~12的2个楼层层高的高度是为电动葫芦提升附着式升降脚手架1预留的提升运行空间的高度。附着式升降脚手架1被提升前 的状态如图1(A)所示。被电动葫芦提升了一个提升高度单元即楼层层高高度后的附着式升降脚手架1的状态如图1(B)所示,此时附着式升降脚手架1的架体底层7升高到与楼层11的高度相对应,其架体的最高层也同时升高至与待施工的楼层15对应的位置处,附着式升降脚手架1架体的其余各结构层高度也分别与建筑物的相应楼层位置相对应,从而能满足各层正常施工作业的进行。Figure 1 is an attached lifting scaffold currently used for the construction of high-rise buildings, in which a low-speed electric chain hoist, that is, an electric hoist, is used as a lifting power device. The total construction height of the attached lifting scaffold 1 is the height of 4 building floors corresponding to the heights of floors 11, 12, 13 and 14 that have been completed in turn, that is, the height of 4 lifting height units, The bottom layer 7 of the frame body corresponds to the building floor 10, and the floor 14 is the last constructed floor. The hoisting support structures 2 such as common hoisting cantilever beams are stably arranged on the floor portion corresponding to the floor 12 of the building. The lifting drive mechanism 4 in the electric hoist as a hoisting power equipment is arranged below the hoisting support structure 2 in a hanging manner through the upper connecting structures 3 such as hooks and hanging rings. The elevating drive mechanism 4 is connected to the bottom layer 7 of the frame body of the attached elevating scaffold through the elevating transmission structure in the form of a transmission chain 5 and a lower connecting structure 6 in the form of a lower hook and a hanging ring. In the 4-storey high school of the attached lifting scaffolding 1 structure, the height equivalent to the two floors of floors 10 to 12 is the height of the lifting operation space reserved for the electric hoist to lift the attached lifting scaffolding 1. The state of the attached elevating scaffold 1 before being lifted is shown in Fig. 1(A). The state of the attached lifting scaffold 1 after being lifted by an electric hoist by one lifting height unit, that is, the floor height, is shown in Figure 1(B). Corresponding to the height of the frame body, the highest floor of the frame body is also raised to the position corresponding to the floor 15 to be constructed, and the heights of the other structural layers of the frame body of the attached lifting scaffold 1 are also corresponding to the corresponding floor positions of the building. Corresponding, so as to meet the normal construction work of each floor.
图2与图1的不同,是直接将图1附着式升降脚手架的总构建高度由4个建筑楼层层高减少为3个楼层层高,其中为电动葫芦的预留提升运行空间高度也减少为只有由楼层10~12的1个楼层层高的范围,其提升前的状态如图2(A)所示。附着式升降脚手架1被提升了1个楼层层高的提升高度单元后的状态,如图2(B)所示。此时虽然附着式升降脚手架1中除电动葫芦所在结构层以外的其余各结构层的高度,都能与相应建筑楼层的对应位置被提升到位外,附着式升降脚手架1中为电动葫芦预留提升空间高度的该结构层的提升高度,则由于吊挂在起重支承结构2下方的电动葫芦中各结构件的结构性最小垂直高度之和所占用的高度h1,使附着式升降脚手架1的架体底层7不能提升到位而悬空在所对应的楼层12之下,不仅附着式升降脚手架1的架体底层7的高度不能满足正常施工作业的需要,而且该悬空于楼层12之下高度为h2的悬空部分还是一个因缺少遮拦的危险空间。The difference between Figure 2 and Figure 1 is that the total construction height of the attached lifting scaffold in Figure 1 is directly reduced from 4 building floors to 3 floors, and the height of the reserved lifting operation space for the electric hoist is also reduced to There is only one floor height range from floors 10 to 12, and the state before the lift is shown in Fig. 2(A). The state of the attached lifting scaffold 1 after being lifted by one floor-height lifting height unit is shown in FIG. 2(B). At this time, although the heights of the other structural layers except the structural layer where the electric hoist is located in the attached lifting scaffold 1 can be lifted to the corresponding position of the corresponding building floor, the attached lifting scaffold 1 is reserved for the electric hoist. The lifting height of the structural layer of the space height, due to the height h1 occupied by the sum of the structural minimum vertical heights of the electric hoists hanging under the lifting support structure 2, makes the frame of the attached lifting scaffolding 1 occupied. The bottom layer 7 of the body cannot be lifted in place and is suspended under the corresponding floor 12, not only the height of the bottom layer 7 of the frame body of the attached lifting scaffold 1 cannot meet the needs of normal construction operations, but also the suspended height below the floor 12 is h2. The suspended part is also a dangerous space due to lack of shelter.
图3是本发明附着式升降脚手架中起重动力设备的设置方法,在仍保持将常用的电动葫芦等起重动力设备设置于稳定连接在建筑物中的起重挑梁等形式的起重支承结构2处的前提下,将广泛使用的低速环链提升机等起重动力设备中的升降驱动机构4,支承设置于稳固连接在起重挑梁等起重支承结构2上方的动力设备支承结构8部位中,并使该起重动力设备的底平面与其所在的起重支承结构2的下方底平面间的垂直高度,与起重动力设备中的驱动机构4及其所连接的升降链条等升降传动结构5和与附着式升降脚手架1的连接结构6等各升降结构件在提升运行中的最小结构性垂直高度之和相适应。其中,附着式升降脚手架1的架体底层7与建筑楼层10的位置相对应,楼层12、13则为已修建完工的各楼层,楼层14为最后刚修建好的楼层。附着式升降脚手架1的总高度仅需3个提升高度单元即楼层层高,其中为起重动力设备的预留的提升运行空间的高度仅为相当于楼层10~12间的1个楼层层高的提升高度单元。附着式升降脚手架1被提升前的状态如图3(A)所示。附着式升降脚手架1被提升后的状态如图3(B)所示。由于起重动力设备中的升降驱动机构4等结构都已被设置在起重动力设备提升运行空间高度之外的该起重支承结构2上方的动力设备支承结构8部位中,因此附着式升降脚手架1中为电动葫芦等起重动力设备预留提升空间高度的该结构层的提升高度,不会再被各提升结构件自身所具有结构性高度所占用,使其各结构层的实际有效提升空间的高度都能得到充分保证,附着式升降脚手架1的 架体底层7也能提升到位与升高后的楼层12位置相对应,不再存在悬空于楼层12之下的危险空间,既满足了各建筑楼层都能正常施工作业高度的需要,从而使目前附着式升降脚手架的构建高度能减少一层,大幅了节约施工材料的用量和升降运行的能耗,也提高了防止坠落和倾覆的安全性。Fig. 3 is the setting method of the hoisting power equipment in the attached lifting scaffold of the present invention, while still maintaining the hoisting support in the form of the commonly used electric hoist and other hoisting power equipment on the hoisting beam and the like that are stably connected in the building On the premise of structure 2, the lifting drive mechanism 4 in the lifting power equipment such as the widely used low-speed chain hoist is supported on the power equipment support structure stably connected above the lifting support structure 2 such as the lifting beam 8, and make the vertical height between the bottom plane of the hoisting power equipment and the bottom plane of the hoisting support structure 2 where it is located, and the driving mechanism 4 in the hoisting power equipment and its connected lifting chain, etc. The transmission structure 5 and the connection structure 6 with the attached lifting scaffold 1 are adapted to the sum of the minimum structural vertical heights of the lifting structures during the lifting operation. Among them, the bottom 7 of the frame body of the attached lifting scaffold 1 corresponds to the position of the building floor 10, the floors 12 and 13 are the floors that have been built, and the floor 14 is the last floor that has just been built. The total height of the attached lifting scaffold 1 only needs 3 lifting height units, that is, the floor height. The height of the lifting operation space reserved for the lifting power equipment is only equivalent to 1 floor height between floors 10 and 12. the lift height unit. The state before the attached lift scaffold 1 is lifted is shown in FIG. 3(A). The state after the attachment type lifting scaffold 1 is lifted is shown in FIG. 3(B). Since the lifting drive mechanism 4 and other structures in the lifting power equipment have been arranged in the power equipment support structure 8 above the lifting support structure 2 beyond the height of the lifting operation space of the lifting power equipment, the attached lifting scaffolding 1. The lifting height of the structure layer, which reserves the lifting space height for the electric hoist and other lifting power equipment, will no longer be occupied by the structural height of each lifting structure itself, so that the actual effective lifting space of each structure layer is made. The height can be fully guaranteed, the bottom layer 7 of the frame body of the attached lifting scaffold 1 can also be lifted to the position corresponding to the raised floor 12, and there is no longer a dangerous space suspended under the floor 12, which not only satisfies the requirements of various The building floors can meet the needs of the normal construction operation height, so that the construction height of the current attached lifting scaffolding can be reduced by one layer, which greatly saves the consumption of construction materials and the energy consumption of lifting operation, and also improves the safety against falling and overturning. .

Claims (3)

  1. 附着式升降脚手架中起重动力设备的设置方法,将起重动力设备设置在与建筑物稳固连接的起重支承结构(2)处,其特征是将起重动力设备设置在起重支承结构(2)中高于其下方底平面的部位处,并使该起重动力设备的底平面与其所在的起重支承结构(2)的下方底平面间的垂直高度,与起重动力设备中包括驱动机构(4)及其所连接的升降传动结构(5)和各连接结构在内的升降结构件在提升运行中的最小结构性垂直高度之和相适应。A method for setting up lifting power equipment in an attached lifting scaffold, the lifting power equipment is arranged at a lifting support structure (2) that is firmly connected to a building, and it is characterized in that the lifting power equipment is arranged on the lifting support structure (2). 2) at the position higher than the bottom plane below it, and make the vertical height between the bottom plane of the hoisting power equipment and the bottom plane of the hoisting support structure (2) where it is located, and the driving mechanism included in the hoisting power equipment (4) and its connected lifting transmission structure (5) and the minimum structural vertical heights of the lifting structural members including each connecting structure during the lifting operation are compatible.
  2. 如权利要求1所述附着式升降脚手架中起重动力设备的设置方法,其特征是将所述的起重动力设备支承设置在位于所述起重支承结构(2)上方的动力设备支承结构(8)上。The method for setting hoisting power equipment in an attached lifting scaffold according to claim 1, characterized in that the hoisting power equipment is supported and arranged on a power equipment supporting structure ( ) located above the hoisting support structure (2). 8) on.
  3. 如权利要求1或2所述附着式升降脚手架中起重动力设备的设置方法,其特征是所述的起重动力设备为低速环链电动提升机,所述的升降传动结构(5)及和各连接结构包括与所述起重动力设备中的驱动机构(4)连接的升降传动链条和用于与附着式升降脚手架(1)间的连接结构(6)。The method for setting up lifting power equipment in an attached lifting scaffold according to claim 1 or 2, characterized in that the lifting power equipment is a low-speed chain electric hoist, and the lifting transmission structure (5) and and Each connection structure includes a lift transmission chain connected with the drive mechanism (4) in the hoisting power equipment and a connection structure (6) for connecting with the attached lift scaffold (1).
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