WO2022252633A1 - 附着式升降脚手架中倒挂式起重动力设备的设置方法 - Google Patents

附着式升降脚手架中倒挂式起重动力设备的设置方法 Download PDF

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Publication number
WO2022252633A1
WO2022252633A1 PCT/CN2022/072111 CN2022072111W WO2022252633A1 WO 2022252633 A1 WO2022252633 A1 WO 2022252633A1 CN 2022072111 W CN2022072111 W CN 2022072111W WO 2022252633 A1 WO2022252633 A1 WO 2022252633A1
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lifting
height
scaffold
hoisting
attached
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PCT/CN2022/072111
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English (en)
French (fr)
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苏茂兵
苏泉云
苏思月
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苏茂兵
苏泉云
苏思月
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Publication of WO2022252633A1 publication Critical patent/WO2022252633A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
    • E04G3/32—Hoisting devices; Safety devices
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
    • E04G3/32—Hoisting devices; Safety devices
    • E04G3/325—Safety devices for stabilising the mobile platform, e.g. to avoid it swinging in the wind
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G2005/008—Hoisting devices specially adapted as part of a scaffold system

Definitions

  • the invention relates to a method for setting upside-down lifting power equipment in an attached lifting scaffold for suspended lifting operations in the field of construction.
  • high-rise and super high-rise buildings have been widely popularized, and the accompanying construction equipment and construction methods are also constantly updated.
  • the construction of high-rise and ultra-high-rise buildings basically does not use the traditional full-height fixed scaffold that must be erected firmly on the ground, but uses a liftable attached lifting scaffold for construction, and only needs to build a limited height liftable operation.
  • the attached lifting scaffold through many lifting power equipment set around the periphery of the completed part of the building, due to the synchronous and coordinated operation of the group machines, according to the height requirements of the construction space of each operation stage of different buildings to be built, to The space height of this construction stage is used as the lifting height unit, and the attached elevating scaffold is hoisted after the hoisting power equipment raises the height one by one, and the construction is carried out relying on the suspended attached elevating scaffold.
  • the construction height of the attached lifting scaffold used usually only needs to cover the floor height of 4-5 building floors.
  • the group of machines operate synchronously, taking the floor height of the building to be built as the lifting height unit, lifting the attached lifting scaffolding one by one and then hovering, relying on the gradually rising attached lifting scaffolding body to carry out construction work.
  • This method can greatly save various construction materials and energy consumption used to build scaffolding, has great economic value, and can adapt to the construction requirements of buildings of any height, and with the increase of building height, its energy saving The advantages of consumption reduction and environmental protection will also be more significant.
  • the lifting power equipment used to lift the attached lifting scaffolding is a low-speed chain electric hoist commonly known as "electric hoist”. Its structure mainly includes the driving mechanism and its connected lifting transmission chain or wire rope and other lifting transmission structures , and through which the lifting power equipment and the attached lifting scaffold are connected to each other. At present, the arrangement mode of the hoisting power equipment in the attached lifting scaffold body can be different from “upright hanging type” and “upside down hanging type”.
  • “Front hanging type” is a traditional setting method, that is, the lifting power equipment is hung on the lifting support structure such as the lifting beam that is firmly connected with the building with a hook and other connecting structures, and the lifting power is used to The equipment lifts, lifts, and suspends the attached lifting scaffold body connected to the bottom through the chain, wire rope and other lifting transmission structures from above. Since the lifting power equipment in this setting method is set on the lifting support structure such as the lifting beam above, every time the attached lifting scaffold is lifted, the lifting power equipment must be removed from the place where it is located. Lifting beams and other lifting support structures are dismantled, and the lifting support structure transferred to the upper level is reinstalled, so that the next lifting operation of the attached lifting scaffold can be continued. This cycle requires a large workload, which is one of them. Very inconvenient.
  • the "upside-down" setting method appeared, which is to set the upper connection lifting point on the lifting support structure that is firmly connected with the building, and set the lifting power equipment under the frame body of the attached lifting scaffold.
  • One end of the lifting and pulling structure such as a zipper or a lifting wire rope is directly or indirectly connected to the upper connection lifting point, and the other end is connected to the power mechanism of the lifting power equipment.
  • the power mechanism in the lifting power equipment tightens and shortens the lifting and pulling structures such as the lifting chain or the lifting wire rope, so that the attached lifting scaffold is lifted.
  • the lifting power equipment is fixed on the frame body of the attached lifting scaffold, after each lifting, it is only necessary to move the upper connection lifting point of the lifting and pulling structure to the lifting supporting structure such as a higher lifting beam , no need to repeatedly move the power part of the lifting power equipment, thus facilitating the construction operation.
  • the attached lifting scaffold Due to the promotion of the attached lifting scaffold during construction work, it is carried out with a space height required for construction as a lifting space unit for lifting operation (such as the floor height of a working floor in a building construction), so that after lifting Each structural layer in the frame body of the attached lifting scaffold can still meet and guarantee sufficient space height required for construction operations.
  • a space height required for construction as a lifting space unit for lifting operation such as the floor height of a working floor in a building construction
  • the power mechanism such as the motor in the lifting power equipment, the upper and lower force connecting members, the reduction box, the lifting chain or the lifting wire rope and other lifting and pulling structures
  • various structural components are located in the space of the attached lifting scaffold body, so Even if the lifting and pulling structures such as lifting chains or lifting wire ropes are tightened and shortened to the shortest state during the lifting operation, these structural components in the lifting power equipment still must occupy a certain amount of space in the attached lifting scaffold body. Space height, as a result, the actual effective lifting height of the attached lifting scaffold will not be in place, resulting in insufficient space height for construction work, and there will be a lack of blocking/blocking under the frame due to lack of blocking/blocking. And the problem of the suspended space where there are huge safety hazards in materials and equipment.
  • the height of the lifting operation space reserved for the lifting power equipment needs to reserve at least two lifting heights.
  • the height of the space unit (such as the height of two floors in the building) to avoid the occurrence of the above-mentioned problems. It has been found in practice that the waste of construction materials and energy consumption cannot be underestimated for the attached elevating scaffold with limited construction height.
  • the present invention provides a method for setting up the upside-down lifting power equipment in the attached lifting scaffold, which can reduce the height of the hoisting space unit reserved for lifting power equipment in the traditional attached lifting scaffold About one lifting height unit, thereby greatly reducing the cost of construction materials and energy consumption, and also significantly improving the safety of the scaffold against falling and overturning.
  • the installation method of the upside-down lifting power equipment in the attached lifting scaffold of the present invention is an improvement on the basis of the setting method of the upside-down lifting power equipment in the existing attached lifting scaffold, including the lifting support firmly connected with the building
  • the structure is equipped with an upper connection lifting point, and the power mechanism of the lifting power equipment is set under the frame body of the attached lifting scaffold, including one end of the lifting and pulling structure in a suitable form such as a commonly used lifting chain or a lifting wire rope. Or it is indirectly connected to the upper part of the lifting point through other appropriate structures, and the other end is connected to the power mechanism of the lifting power equipment.
  • the power mechanism of the lifting power equipment is arranged on the frame bottom structure of the attached lifting scaffold, and the height of the lifting space reserved in the frame body of the attached lifting scaffold where it is located is the height required for construction.
  • the height of the space is adapted to the sum of the minimum vertical heights of the structure of the lifting power equipment during the lifting operation.
  • the lifting support structure firmly connected with the building can adopt lifting cantilever beams of various forms, materials, and lengths commonly used at present, and other corresponding alternative structures that can have the same function/effect.
  • the frame bottom structure of the attached elevating scaffold described in the above setting method includes the frame bottom structure of the attached elevating scaffold, or the supporting structure around it or other auxiliary structures located at the bottom of the frame.
  • the lifting power equipment can also adopt the low-speed electric chain hoist commonly known as "electric hoist” which is widely used at present.
  • the setting height of other structural components in the lifting power equipment can also be adjusted.
  • it can even be set at the bottom structure position of the frame body, so that the space height that must be occupied by the corresponding structural components in the lifting power equipment in the frame body is concentrated and compressed on the attached lifting scaffolding.
  • it is only necessary to increase the height of the space unit reserved for lifting operation at the bottom of the frame body of the attached lifting scaffold where the lifting power equipment is located, and add a lift height on the basis of the lifting height required for construction.
  • each structural component of the heavy power equipment required to occupy the minimum vertical height in the lifting operation process is enough, and it is not necessary to reserve too much height of an almost complete lifting space unit (such as a floor in a building) as in the current method. height), it can ensure that the lifting height of each layer in the attached lifting scaffold frame after being lifted can meet the sufficient effective space height requirements for construction operations, and can also reduce the height of about one lifting space unit, without There will be corresponding suspended parts at the bottom of the frame due to insufficient lifting of the frame, forming a safety hazard.
  • the attached lifting scaffold itself which usually has only 4-5 lifting space unit heights, the structure that can reduce the height of about one reserved lifting space unit is beneficial to the reduction of construction materials and operating energy consumption.
  • the economic benefits and value, as well as the social benefits such as the improvement of safety brought by the reduction of the height and total weight of the attached lifting scaffold body, are obviously very considerable.
  • Figure 1 is a schematic diagram of a conventional setting method of the upside-down lifting power equipment in the current attached lifting scaffold.
  • FIG. 2 is a schematic diagram of a problem in the setting method in FIG. 1 .
  • Fig. 3 is a schematic diagram of a setting method of the upside-down lifting power equipment in the attached lifting scaffold of the present invention.
  • Figure 1 is an attached lifting scaffold that uses upside-down lifting power equipment that is traditionally used in the construction of high-rise buildings.
  • the power mechanism 4 in the lifting power equipment uses a low-speed chain electric hoist commonly known as an electric hoist .
  • the total construction height of the frame body 1 of the attached lifting scaffold is the floor height of about 4 and a half floors adapted to the height of the finished floors 11, 12, 13 and 14, wherein the bottom structure 7 of the frame body 1 is connected to the Floor 10 corresponds, and floor 14 is the last completed floor.
  • the floor heights of the two floors corresponding to floors 10-12 in the frame body 1 are the heights of the hoisting space reserved for lifting power equipment in the attached lifting scaffold, and the power mechanism 4 in the lifting power equipment is usually set in Middle of unit with room below.
  • An upper connection lifting point 3 is provided on the lifting support structure 2 such as a lifting beam firmly connected with the building, and one end of a commonly used lifting and pulling structure 5 such as a lifting chain or a lifting wire rope is connected to the upper connection lifting point 3 The other end is connected with the power mechanism 4 of the lifting power equipment.
  • the state of the attached lifting scaffold before lifting is shown in Fig. 1(A).
  • the state after the attached elevating scaffold is lifted by a floor height h (the height of a lifting space unit) is shown in Figure 1(B).
  • the height of the frame body 1 is raised to the height corresponding to the floor 11, and the highest layer of the frame body 1 is also raised to the height position corresponding to the floor 15 to be constructed, and the heights of the remaining structural layers in the frame body 1 are also raised to The height position corresponding to the previous construction floor meets the needs of normal construction operations on each floor.
  • Fig. 2 The difference between Fig. 2 and Fig. 1 is that the height of a hoisting space unit reserved for hoisting power equipment is directly reduced in the attached elevating scaffold body 1, that is, the total construction height of the attached elevating scaffold body 1 is given by The floor height of 4 building floors is reduced to 3 floors, and the height of the hoisting operation space reserved for lifting power equipment is only the floor height of floors 10-12.
  • the state before lifting is shown in Figure 2 (A) shown.
  • FIG. 2(B) The state after the attached elevating scaffold body 1 is lifted is shown in FIG. 2(B).
  • the structural components including the power mechanism 4 and the reduction box in the lifting power equipment are still in the reserved running space of the frame body 1.
  • the occupied minimum vertical height h1 makes the actual effective lifting height of the attached lifting scaffold body 1 insufficient, resulting in the space height of each layer of the frame body 1 being unable to meet the needs of normal construction operations, and the bottom structure 7 of the frame body 1 is insufficient.
  • Putting it in place has also caused it to be suspended under the corresponding floor 12, and there is a dangerous suspended space with a height of h2 because of lack of blocking and blocking.
  • Fig. 3 is the installation method of the upside-down lifting power equipment in the attached lifting scaffolding of the present invention, which is to be provided with an upper connection lifting point 3 on the lifting support structure 2 in the form of a lifting beam firmly connected with the building, to lift Structures such as the power mechanism 4 and the reduction box of the heavy power equipment are all arranged on bottom structures 7 such as the bottom surface of the attached lifting scaffold frame body 1 .
  • One end of the commonly used lifting and pulling structure 5 such as lifting chains or lifting wire ropes is directly or indirectly connected to the upper part of the lifting point 3, and the other end is connected to the power mechanism 4 of the lifting power equipment, and the attached lifting
  • the height of the hoisting space unit reserved in the bottom of the frame body 1 of the scaffold only needs to be between the height of one hoisting space unit required for construction and the minimum vertical height of the structure of the hoisting power equipment during the hoisting operation process. and can be adapted.
  • the state of the attached lifting scaffold before lifting is shown in Fig. 3(A). At this time, the bottom structure 7 of the frame body 1 is located below the building floor 10 and is arranged on the bottom structure 7.
  • the power structure 4 of the lifting power equipment, the reduction box and the lifting and pulling structure 5 in the shortest state are tightened and other structures. Where the sum of the minimum vertical heights of the parts is suitable, the floors 12, 13 and 14 are the completed floors, and the floor 14 is the last completed floor.
  • the frame body 1 of the attached elevating scaffold is lifted by a floor height (height of the lifting space unit) h, as shown in FIG. 3(B). Similar to Fig. 3 (A), at this moment, after the bottom structure 7 of the support body 1 has been promoted to the storey height of one floor (the height of the space unit), the parts located under the last building floor 12 and those arranged on the bottom structure 7
  • the position where the sum of the minimum vertical heights of structural components such as the power structure 4 of the lifting power equipment, the reduction box, and the lifting and pulling structure 5 in the shortest tightened state does not affect the height of the actual effective lifting space of the frame body 1,
  • the height of other space units in the raised back frame body 1 can still correspond to the height of each corresponding construction layer, and there will be no suspended accident risk space between the bottom structure 7 of the frame body 1 and the floor 12.
  • this setting method of the present invention can reduce the height of the frame body 1 of the attached lifting scaffold with only 4 storey heights by about one storey height, thereby greatly reducing the consumption of construction materials and the lifting and lowering operation capacity. consumption and increased safety against falls and/or overturning.

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  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Movable Scaffolding (AREA)

Abstract

附着式升降脚手架中倒挂式起重动力设备的设置方法，在与建筑物稳固连接的起重支承结构上设有上连接吊点，起重动力设备的动力机构设置在该架体下方，升降提拉结构的一端连接在上连接吊点的部位，另一端与起重动力设备的动力机构连接。其中至少起重动力设备的动力机构应设置在附着式升降脚手架的架体底部结构上，其所在的架体部位中的预留升降运行提升空间的高度，为施工所需的提升高度与起重动力设备的结构在升降运行过程中所具有的最小垂直高度之和相适应。此设置方法可以将附着式升降脚手架中传统对起重动力设备的预留提升空间的高度减少约一个提升高度单元，大幅减少了施工材料和能源消耗，经济价值巨大，并显著提高了脚手架的防坠落和防倾覆的安全性。

Description

附着式升降脚手架中倒挂式起重动力设备的设置方法 技术领域
本发明涉及的是建筑领域中在悬空升降作业的附着式升降脚手架中对倒挂式起重动力设备的设置方法。
背景技术
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，通过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，因群机同步协同操作，根据所建不同建筑物的每个作业阶段的施工空间的高度需要，以该施工阶段的空间高度作为提升高度单元，由起重动力设备将附着式升降脚手架逐次提升高度后悬停，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，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，以所建楼房的楼层层高作为提升高度单元，将附着式升降脚手架逐次提升后悬停，依托逐渐升高的附着式升降脚手架架体进行施工作业。这种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。
目前用于提升附着式升降脚手架的起重动力设备，大多是采用俗称“电动葫芦”的低速环链电动提升机，其结构主要包括驱动机构及其所连接的升降传动链条或钢丝绳等升降传动结构，并经其将起重动力设备与附着升降脚手架相互连接。目前对起重动力设备在附着升降脚手架架体中的设置方式，可有“正挂式”和“倒挂式”的不同。
“正挂式”是一种传统的设置方式，即将起重动力设备用上挂钩等连接结构吊挂在与建筑物稳固连接的起重挑梁等起重承支承结构上，并由起重动力设备从上方通过链条、钢丝绳等升降传动结构对连接在下方的附着升降脚手架架体进行提拉升降和悬空定位。由于此种设置方式中的起重动力设备是设置在位于上方的起重挑梁等起重承支承结构上，因此附着升降脚手架每次被提升后，都必须将起重动力设备从其所在的起重挑梁等起重承支承结构上拆下来，转移至上层高度的起重承支承结构重新安装，才能继续对附着升降脚手架 进行下次提升的操作，如此循环，工作量大，是其一个十分不方便之处。
为此，出现了“倒挂式”的设置方式，是在与建筑物稳固连接的起重支承结构上设有上连接吊点，将起重动力设备设置在附着式升降脚手架的架体下方，提拉链条或提拉钢丝绳等升降提拉结构的一端直接或间接连接在上连接吊点部位，另一端与起重动力设备的动力机构连接。提升作业时，由起重动力设备中的动力机构收紧缩短提拉链条或提拉钢丝绳等升降提拉结构，使附着式升降脚手架被提升。由于起重动力设备是固定在附着式升降脚手架的架体上的，每次提升后，只需将升降提拉结构的上连接吊点移至更高层的起重挑梁等起重支承结构上，无需反复移动起重动力设备的动力部分，从而方便了施工操作。
由于附着式升降脚手架在施工作业时的提升，都是以一个施工所需的空间高度作为升降运行的提升空间单元进行的(如楼房建筑中的一个作业楼层的层高)，以使提升后的附着式升降脚手架架体中的各结构层仍能满足和保证施工作业所需的足够空间高度。因起重动力设备中的电动机等动力机构、上下受力连接构件、减速箱、提拉链条或提拉钢丝绳等升降提拉结构各种结构部件均位于附着式升降脚手架架体的空间内，因此即使提拉链条或提拉钢丝绳等升降提拉结构在提升运行中被收紧缩短至最短状态，起重动力设备中的这些结构部件仍必不可少地要占据附着式升降脚手架架体中一定的空间高度，其结果将使附着式升降脚手架的实际的有效提升高度无法到位而导致施工作业的空间高度不足，还会在架体的下方因提升不到位而出现一个因缺少遮拦/阻挡而对人员以及材料、设备存在巨大安全隐患的悬空空间的问题。因此，目前在采用倒挂式设置起重动力设备的对附着式升降脚手架中，无论架体构建的总高度如何，其中为起重动力设备预留的提升运行空间的高度，至少需保留两个提升空间单元的高度(如建筑楼房中的两个楼层的高度)，以避免上述问题的出现。实践中发现，对本身构建高度有限的附着式升降脚手架，这种设置方式对施工材料及能源消耗的浪费是不可小视的。
发明内容
为此，本发明提供了一种对附着式升降脚手架中倒挂式起重动力设备的设置方法，可以将传统的附着式升降脚手架中对起重动力设备的预留升降运行提升空间单元的高度减少约一个提升高度单元，从而大幅减少施工材料和能源消耗的成本，也显著提高脚手架的防坠落和防倾覆的安全性。
本发明附着式升降脚手架中倒挂式起重动力设备的设置方法，是在现有附着式升降脚手架中倒挂式起重动力设备设置方式基础上的改进，包括在与建筑物稳固连接的起重支承结构上设有上连接吊点，起重动力设备的动力机构设置在附着式升降脚手架的架体下方，包括如常用的提拉链条或提拉钢丝绳等适当形式的升降提拉结构的一端可以直接或经其它 适当结构间接连接在上连接吊点的部位，另一端与起重动力设备的动力机构连接。其中，至少将起重动力设备的动力机构设置在附着式升降脚手架的架体底部结构上，其所在的附着式升降脚手架架体部位中的预留升降运行提升空间的高度，为施工所需的空间高度与起重动力设备的结构在升降运行过程中所具有的最小垂直高度之和相适应。其中，所述与建筑物稳固连接的起重支承结构，可以采用如目前常用的各种形式、材料、长度的起重悬挑梁，以及能具有同样功能/作用的其它相应替代性结构。
上述设置方法中所述的附着式升降脚手架的架体底部结构，包括附着式升降脚手架的架体底层结构，或者是其周围的支撑结构或位于架体底部部位的其它附属结构。
在上述的设置方法中，所述的起重动力设备同样可采用目前所广泛使用的俗称“电动葫芦”的低速环链电动提升机。
由于本发明的上述设置方法中至少将所述的起重动力设备中的动力机构设置在了附着式升降脚手架架体的底部结构位置，使起重动力设备中的其它结构部件的设置高度也可相应降低，甚至也能设置在该架体的底部结构位置，从而实现将包括起重动力设备中的相应结构部件在该架体中所必需占据的空间高度，被集中压缩在了附着式升降脚手架架体的底部结构处，因此只需将起重动力设备所在的附着式升降脚手架架体底部部位的预留升降运行提升空间单元的高度，在施工所需的提升高度的基础上增加一个与起重动力设备的各结构部件在升降运行过程中所需占用的最小垂直高度相适应的高度即可，无需如目前方式过多地预留一个几乎完整提升空间单元的高度(如建筑楼房中一个楼层的高度)，即可保证被提升后的附着式升降脚手架架体中的各层提升高度都能满足施工作业所需的足够有效空间高度要求，还能减少约一个提升空间单元的高度，也不会出现在架体的底部因架体提升不到位而存在相应的悬空部位，形成安全隐患悬。对于自身通常仅有4-5个提升空间单元高度的附着式升降脚手架而言，能减少大约一个预留的提升空间单元高度的结构，对由施工材料的减少和运行能耗的降低所带来的经济利益和价值，以及随附着式升降脚手架架体高度和总重量的减轻带来的安全性的提高等社会效益，显然都是非常可观的。
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。
附图说明
图1是目前附着式升降脚手架中倒挂式起重动力设备的一种常规设置方法示意图。
图2是图1设置方法存问题的示意图。
图3是本发明附着式升降脚手架中倒挂式起重动力设备的一种设置方法示意图。
具体实施方式
图1是目前传统用于修建高层楼房建筑的一种采用倒挂式起重动力设备的附着式升降脚手架，其中起重动力设备中的动力机构4采用的是俗称电动葫芦的低速环链电动提升机。该附着式升降脚手架的架体1总的构建高度为与已修建完工的楼层11、12、13和14的高度相适应的约4个半楼层的层高，其中架体1的底部结构7与楼层10对应，楼层14为最后完工的楼层。架体1中与楼层10～12对应的2个楼层的层高是附着式升降脚手架中为起重动力设备预留的升降运行提升空间的高度，起重动力设备中的动力机构4通常设置在下方预留空间单元的中部。在与建筑物稳固连接的起重挑梁等起重支承结构2上设有上连接吊点3，提拉链条或提拉钢丝绳等常用的升降提拉结构5的一端连接在上连接吊点3部位，另一端与起重动力设备的动力机构4连接。附着式升降脚手架提升前的状态如图1(A)所示。附着式升降脚手架被提升一个楼层层高h(一个提升空间单元的高度)后的状态如图1(B)所示，此时附着式升降脚手架架体1的底部结构7由提升前与楼层10的高度被提升到了与楼层11对应的高度，架体1的最高层同时也升高至与待施工楼层15相对应的高度位置，架体1中的其余各结构层的高度也分别被提升至与上一施工楼层对应的高度位置，满足各层的正常施工作业需要。
图2与图1的不同是，附着式升降脚手架架体1中直接减少了一个为起重动力设备预留的升降运行提升空间单元的高度，即附着式升降脚手架架体1的总构建高度由4个建筑楼层的层高减少为3个楼层的层高，其中为起重动力设备预留的提升运行空间的高度只有楼层10～12的一个楼层的层高，其提升前的状态如图2(A)所示。附着式升降脚手架架体1被提升后的状态，如图2(B)所示。此时，即使链条、钢丝绳等升降提拉结构5已收收紧缩短至最短状态，但包括起重动力设备中的动力机构4、减速箱等结构部件在架体1的预留运行空间中仍占用的最小垂直高度h1，使附着式升降脚手架架体1的实际有效提升高度不足，导致了架体1的各层空间高度均不能满足正常施工作业的需要，且架体1底部结构7的不到位还导致了其被悬空在所对应的楼层12之下，存在一个高度为h2的因缺少阻挡遮拦的事故危险悬空空间。
图3是本发明附着式升降脚手架中倒挂式起重动力设备的设置方法，是在与建筑物稳固连接的起重挑梁等形式的起重支承结构2上设有上连接吊点3，起重动力设备的动力机构4及减速箱等结构均设置在附着式升降脚手架架体1的底面等底部结构7上。提拉链条或提拉钢丝绳等常用的升降提拉结构5的一端直接或间接地连接在上连接吊点3的部位，另一端与起重动力设备的动力机构4连接，并在使附着式升降脚手架的架体1的底部中预 留的提升运行空间单元的高度，只需为施工所需的一个提升空间单元的高度与起重动力设备的结构在升降运行过程中所具有的最小垂直高度之和相适应即可。附着式升降脚手架提升前的状态如图3(A)所示。此时，架体1的底部结构7位于低于建筑楼层10下的与设置在底部结构7上的起重动力设备的动力结构4、减速箱及收紧最短状态的升降提拉结构5等结构部件的最小垂直高度之和相适应的位置处，楼层12、13和14为已修建完工的各楼层，其中楼层14为最后完工的楼层。
附着式升降脚手架的架体1被提升一个楼层高度(提升空间单元高度)h后的状态，如图3(B)所示。与图3(A)类似，此时架体1的底部结构7被提升了一个楼层的层高(提升空间单元高度)后，位于上一建筑楼层12之下的与设置在底部结构7上的起重动力设备的动力结构4、减速箱及收紧最短状态的升降提拉结构5等结构部件的最小垂直高度之和相适应的位置处，并未影响架体1实际有效提升空间的高度，升高后架体1中的其它各空间单元的高度仍能与各相应施工层的高度相对应，也不会在架体1底部结构7与楼层12间存在悬空的事故危险空间。可见，本发明的这一设置方法，能将仅有4个楼层层高的附着式升降脚手架的架体1减少了约一个楼层层高的高度，从而大幅减少了施工材料的用量和升降运行能耗，并提高了防止坠落和/或倾覆的安全性。

Claims (2)

  1. 附着式升降脚手架中倒挂式起重动力设备的设置方法，在与建筑物稳固连接的起重支承结构(2)上设有上连接吊点(3)，起重动力设备的动力机构(4)设置在附着式升降脚手架的架体(1)下方，升降提拉结构(5)的一端连接在上连接吊点(3)的部位，另一端与起重动力设备的动力机构(4)连接，其特征是至少将起重动力设备的动力机构(4)设置在附着式升降脚手架的架体(1)底部结构(7)上，其所在的附着式升降脚手架架体部位中的预留升降运行提升空间的高度，为与施工所需的空间高度和起重动力设备的结构在升降运行过程中所具有的最小垂直高度之和相适应。
  2. 如权利要求1所述的附着式升降脚手架中倒挂式起重动力设备的设置方法，其特征是所述的起重动力设备(4)为低速环链电动提升机，所述的升降提拉结构(5)为提拉链条或提拉钢丝绳。
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