WO2020181615A1 - 附着升降脚手架安全防护网的连接结构及连接方法 - Google Patents

附着升降脚手架安全防护网的连接结构及连接方法 Download PDF

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WO2020181615A1
WO2020181615A1 PCT/CN2019/083301 CN2019083301W WO2020181615A1 WO 2020181615 A1 WO2020181615 A1 WO 2020181615A1 CN 2019083301 W CN2019083301 W CN 2019083301W WO 2020181615 A1 WO2020181615 A1 WO 2020181615A1
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safety protection
protection net
lifting scaffold
net
supporting
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PCT/CN2019/083301
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English (en)
French (fr)
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苏泉云
苏思月
苏茂兵
彭若涵
任思宇
曹俊楠
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苏泉云
苏思月
苏茂兵
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Publication of WO2020181615A1 publication Critical patent/WO2020181615A1/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
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32—Safety or protective measures for persons during the construction of buildings

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  • the invention relates to a connection structure of a safety protection net in an attached lifting scaffold for suspended operation and a connection method thereof.
  • Attached lifting scaffolding is usually composed of a scaffolding structure of 4 to 5 stories high, and the corresponding lifting system, anti-falling system, anti-tilting system, synchronous control system, parking system, safety protection system, etc. Since the construction of the attached lifting scaffold uses a 4 to 5 storey high frame body and uses a group of machines to operate the suspended lifting method instead of the original hanging operation of the full height scaffold frame body, the safety protection system is one of the keys And the important part.
  • connection method is to tie the safety net to the scaffolding body with iron wire, which is a flexible connection method.
  • iron wire which is a flexible connection method.
  • the connection methods between this kind of expanded metal mesh and the attached lifting scaffold frame mainly include wire binding connection, half buckle connection and bolt direct connection.
  • connection between the scaffold and the safety net is an integral rigid structure.
  • the safety factor is low, and there are also potential safety hazards; and once the construction personnel accidentally fall onto the steel plate net, they will suffer aggravated injuries due to lack of cushioning.
  • the present invention provides a connection structure and a connection method for attaching the safety protection net of the lifting scaffold, which can effectively solve the above problems.
  • the connecting structure of the safety protection net attached to the lifting scaffold of the present invention has a cross-section of a structural member with a substantially U-shaped clamping space.
  • the lengths of the extension arms on both sides of the U-shaped clamping space are different.
  • the part of the extension section that is longer than the extension end of the short arm is provided with a connection structure for connecting the safety protection net.
  • the clamping distance between the long and short arms of the U-shaped clamping space and the external surface of the attached lifting scaffold are used for supporting The thickness of the supporting structure of the safety net is adapted.
  • connection structure for connecting the safety protection net provided in the part of the long arm extension section longer than the extension end of the short arm may be appropriately adapted according to the specific structure and/or needs of different safety protection nets.
  • the structure of the form for example, can adopt the most simple and commonly used structure such as connecting holes that can be adapted to fit with connecting bolts and other components.
  • the U-shaped clamping space mentioned in the above-mentioned connecting structure is to keep a moderate gap with the corresponding supporting structure used to hold the safety net in the outer facade of the attached lifting scaffold, so as to allow it.
  • There is a clamping fit with appropriate displacement activity and it is a structural part used in the harsh outdoor construction environment. Therefore, it can be understood that the extension arms on both sides of the clamping space only need to be basically U-shaped. , Do not need to be absolutely parallel, with a little tilt, angle or bending, etc., usually will not affect the normal use and can be allowed.
  • the long arm in the U-shaped clamping space can be an integral structure formed by integral processing (as shown in the embodiments and drawings), or can be based on actual conditions and under the premise of ensuring reliability. It adopts a form in which two or more continuous components are connected by mutual welding or the like.
  • the supporting structure used for supporting the safety protection net in the external facade of the attached lifting scaffold is clamped in the U-shaped clamping space of the above-mentioned connecting structure of the present invention, so the two supporting structures are matched
  • the long/short arms of the U-shaped clamping space are at a clamping distance that is compatible with the thickness of the supporting structure used to hold the safety protection net in the outer facade of the attached lifting scaffold, preferably In order to maintain a clearance distance of 1-3 mm between the long/short arms of the U-shaped clamping space and the opposing mating surfaces of the supporting structure in use.
  • the corresponding supporting structure used for supporting the safety protection net in the external facade of the attached lifting scaffold can use the structure of square steel, flat steel, channel steel, and even round steel pipe, etc. It is better to use angle steel, and the plane structure on one side and the above-mentioned connection structure are mutually supported.
  • connection structure of the present invention is preferred It is applicable, but not limited to the connection of rigid structure safety nets including expanded metal nets and attached lifting scaffolds, and can effectively solve the current problems of similar safety nets in use.
  • connection structure of the present invention in construction is very simple.
  • the corresponding supporting structure for example, the horizontal plane structure of the angle steel
  • the fastening structure including commonly used bolts to connect the long arm of the connection structure that has been fitted to the supporting structure of the lifting scaffold through the connection hole in the extension section and other appropriate connection structure and safety
  • the crossbeam frame of the protective net is fastened and connected.
  • connection structure of the present invention and the safety protection net are rigidly connected by bolts and other fastening structures, but between the connection structure and the corresponding supporting structure used for supporting the safety protection net in the external facade of the attached lifting scaffold, there is A movable mating connection capable of proper telescopic displacement in the direction of the extension arm of the U-shaped clamping space of the connecting structure, and one direction end of the telescopic displacement is limited by the U-shaped bottom of the connecting structure, The other direction end is blocked by the connected safety protection net, so even if the mutual telescopic displacement reaches the two ends of the maximum range, the connection structure of the present invention connected to the safety protection net is connected to the clamped attachment lifting scaffolding The corresponding supporting structures will not be separated from each other, thereby ensuring the safety and reliability of the safety protection net.
  • the said movable coordination with moderate telescopic displacement can not only enable the safety net to be impacted by external forces, but also provide a moderate buffering room between the connection structure and the attached lifting scaffold, which is beneficial to
  • the impact buffer spreads rapidly and is transmitted to the carrying frame body, so that the rigid safety protection net also has the buffering effect of the flexible net in a certain range, thus effectively overcoming the shortcomings of the current rigid safety protection net connection methods such as expanded steel net and improving
  • the ability to withstand the impact of external forces ensures and improves safety, especially once a person accidentally falls and hits the safety net, this buffering can also help reduce the damage caused by the corresponding light impact.
  • Fig. 1 is a schematic diagram of the connection structure and the connection method of the present invention.
  • the connection structure of the safety protection net attached to the lifting scaffold of the present invention has a cross-section of a structural member 1 having a substantially U-shaped clamping space.
  • the lengths of the extension arms on both sides of the U-shape of the clamping space are not the same.
  • the extension section of the long arm 3 is longer than the extension end of the short arm 2 and is provided with a connecting hole form that can be used with the connecting bolt of the safety fence
  • the connection structure 5; the clamping distance between the long and short arms of the U-shaped clamping space is compatible with the thickness of the angle steel type supporting structure 4 used to hold the safety net in the outer facade of the attached lifting scaffold (such as clamping
  • the spacing can be larger than the thickness of the angle steel type supporting structure 4 (1 to 3 mm).
  • the long arm 3, which is basically a U-shaped clamping space is an integral structure formed by integral processing.
  • the safety protection net is a rigid structure net including steel plate mesh.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Emergency Lowering Means (AREA)

Abstract

一种附着升降脚手架安全防护网的连接结构，包括截面为具有基本呈U形夹持空间的结构件（1），夹持空间的U形两侧延伸臂的长度不相同，在长臂（3）的延伸段中长于短臂（2）延伸端之外的部位设有用于连接安全防护网的连接结构（5），U形夹持空间的长臂（3）、短臂（2）间的夹持间距与附着升降脚手架外立面中用于承挂安全防护网的承挂结构（4）的厚度相适应。还公开了一种附着升降脚手架安全防护网的连接方法。该连接结构施工简便，安全可靠。

Description

附着升降脚手架安全防护网的连接结构及连接方法 技术领域
本发明涉及一种悬空作业的附着升降脚手架中安全防护网的连接结构及其连接方法。
背景技术
修建高层和超高层建筑在城市中广为普及，随之而来的建筑设备和施工方式也在不断更新。目前的高层和超高层建筑的修建，多已采用通过群机操控的悬空升降脚手架(即附着升降脚手架)代替了传统的全高度搭设落地固定脚手架方式施工，即通过安装不超过5层楼高的附着升降脚手架，随建筑楼层的增高，脚手架随之悬空逐次升高施工。附着升降脚手架的出现，实现了脚手架由静止到运动的跨跃，其最大特点和优势是节能和环保，因而具有极大的经济价值，而且随建筑楼层修建的增高，这种节约优势的体现越显著。
附着升降脚手架通常是由搭设的4～5层楼高的脚手架架体结构，以及相应的升降系统、防坠系统、防倾斜系统、同步控制系统、停层系统、安全防护系统等共同组成。由于附着升降脚手架的施工是用4～5层高的架体采用群机操作悬空升降的方式代替了原来需搭设全高度层楼高的脚手架架体的悬空操作，因此安全防护系统就是其中一个关键和重要的部分。
传统的附着升降脚手架安全防护设施一般采用的是柔性的高密度聚乙烯密目安全网，其连接方式是用铁丝将安全网绑扎在脚手架架体上，是一种柔性连接方式。虽然其成本低、操作方便，且柔性的网体对坠落物的冲击能具有一定的缓冲能力，但受其材料自身性能制约，抗外力冲击的性能较低，特别是在高空物体坠落的强力冲击下，安全网很容易被冲破，难以确保施工的安全。为此，现已有采用钢制的安全网(如冲孔钢板网等)。目前这类钢板网与附着升降脚手架架体之间的连接方式，主要有铁丝绑扎连接、半边扣连接和螺栓直接连接等几种。这些不同连接方式的一个共同特点是，其连接与脚手架和安全网之间是一个整体的刚性结构体，在受到如坠落物、暴风雨等外力的强力冲击时，受力部位的应力集中没有缓冲余地，安全系数低，同样存在有安全隐患；而一旦施工人员不慎坠落到钢板网上，也会因缺乏缓冲而受到加重的伤害。因而目前仍已发生了多起附着升降脚手架垮塌的重大事故，造成了了施工人员和财产的严重损失。为此，进一步保证和提高附着升降脚手架安全防护系统施工中的安全可靠性，是不容忽视和亟待解决的一个实际问题。
发明内容
鉴于此，本发明提供了一种用于附着升降脚手架安全防护网的连接结构及其连接方法，可以有效解决上述问题。
本发明附着升降脚手架安全防护网的连接结构，其截面为具有基本呈U形夹持空间的结构件，构成所述该夹持空间的U形两侧延伸臂的长度不相同，在长臂的延伸段中长于短臂延伸端之外的部位设有用于连接安全防护网的连接结构，U形夹持空间的长、短臂间的夹持间距与附着升降脚手架外立面中用于承挂安全防护网的承挂结构的厚度相适应。
上述结构中，在所述长臂延伸段中长于短臂延伸端之外的部位设置的用于连接安全防护网的连接结构，可以根据不同安全防护网的具体结构和/或需要，采用相应适当形式的结构，例如可以采用最为简便、常用的可与连接螺栓等构件适应配合的连接孔等形式的结构。
在施工使用中，上述连接结构中所述的该U形夹持空间是为了与附着升降脚手架外立面中用于承挂安全防护网的相应承挂结构作保留有适度间隙、从而可允许其有适当位移活动形式的夹持配合，并且是在恶劣的露天建筑施工环境中使用的一种结构件，因此可以理解，构成该夹持空间的两侧延伸臂只需基本呈U形形状即可，无需绝对保持平行，具有少许的倾斜、夹角或弯曲等情况时，通常都不会影响正常使用而可以允许的。此外，该U形夹持空间中的所述长臂，既可以是一体加工成型的整体式结构(如实施例和附图所示)，也可以根据实际情况，在保证可靠性的前提下，采用由两个或多个延续的构件以相互焊接等方式连接而成的形式。
由于在实际使用中，附着升降脚手架外立面中用于承挂安全防护网的承挂结构是被夹持在本发明上述连接结构的U形夹持空间中的，因此二者承挂的配合相对面之间在保证其能有可相对位移的活动的前提下，减小其间配合间隙的间距可有利于提高安全性。因此，在上述结构基础上，所述该U形夹持空间的长/短臂与附着升降脚手架外立面中用于承挂安全防护网的承挂结构厚度相适应的夹持间距，优选采用为在使用状态下所述U形夹持空间的长/短臂与所述承挂结构的相对配合面之间保留有1-3毫米的间隙距离为好。
为使上述连接结构中的所述的U形夹持空间与附着升降脚手架外立面中用于承挂安全防护网的相应承挂结构能有更大的接触面积，以进一步保证和提高承挂的稳定性和可靠性，所述附着升降脚手架外立面中用于承挂安全防护网的相应承挂结构除可使用方钢、扁钢、槽钢、甚至圆形钢管等形式的结构外，更好的是采用角钢，以其一侧的平面结构与上述的连接结构相互承挂。
由于目前附着升降脚手架安全防护系统中已多采用如钢板孔网等形式的刚性结构安 全网，代替了传统的高密度聚乙烯密目网等柔性材料网，因此本发明上述形式的连接结构，优先适用、但并非仅限于包括钢板网在内的刚性结构的安全防护网与附着升降脚手架的连接，并可以有效解决目前同类安全防护网在使用中所存在的问题。
本发明上述连接结构在建筑施工中的使用方法十分简便。安装安全防护网时，首先将附着升降脚手架外立面中用于承挂安全防护网的相应承挂结构(例如角钢的横向平面结构)，与本发明上述连接结构的U形夹持空间相互夹持配合后，再用包括常用的螺栓等紧固结构，将已配合在附着升降脚手架该承挂结构上的该连接结构的长臂，经其延伸段中的连接孔等适当的连接结构与安全防护网的横梁架紧固连接即完成。拆卸安全防护网时，与安装顺序相反操作即可。
由于本发明上述的连接结构与安全防护网间是通过螺栓等紧固结构实现的刚性连接，但其与附着升降脚手架外立面中用于承挂安全防护网的相应承挂结构之间，是一种在所述连接结构U形夹持空间的延伸臂方向上能作适当伸缩位移的可活动式配合连接，并且这种伸缩位移的一个方向端是由连接结构的U形底部被限位，另一个方向端则有所连接的安全防护网阻挡，因此即使其相互伸缩位移到最大范围的两端，与安全防护网连接的本发明上述连接结构与所夹持的附着升降脚手架外立面的相应承挂结构也不会相互脱离，从而保证了安全防护网的安全性和可靠性。而所述的这种可适度伸缩位移的活动配合，则不仅可以使安全防护网在受到外力的强力冲击时，使连接结构与附着升降脚手架间能有适度的缓冲活动余地，有利于将所受冲击力缓冲迅速扩散并传递给承载架体，使刚性的安全防护网在一定范围中也兼具了柔性网的缓冲作用，从而有效克服了目前钢板网等刚性安全防护网连接方式的不足，提高了抗外力冲击的能力，保证和提高了安全性，特别是一旦有人员不慎坠落而撞击到安全防护网后，这种缓冲也可有利于减相应轻撞击造成的伤害。
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是本发明的连接结构及其连接方法的一种示意图。
具体实施方式
如图1所示，本发明的附着升降脚手架安全防护网的连接结构，其截面为具有基本呈U形夹持空间的结构件1。其夹持空间的U形两侧延伸臂的长度不相同，在长臂3的延伸 段中长于短臂2延伸端之外的部位，设置有可与安全防护网连接螺栓配合使用的连接孔形式的连接结构5；U形夹持空间的长、短臂间的夹持间距与附着升降脚手架外立面中用于承挂安全防护网的角钢形式承挂结构4的厚度相适应(例如夹持间距可以大于角钢形式承挂结构4的厚度1～3毫米)。图中所示该基本呈U形夹持空间的长臂3为一体加工而成的整体型结构。所述的安全防护网为包括钢板孔网在内的刚性结构网。
施工中安装安全防护网时，先将附着升降脚手架外立面中用于承挂安全防护网8的承挂结构4与该结构件1的U形夹持空间相互夹持配合后，再用螺栓等常用紧固结构6将结构件1的长臂延伸段上的连接结构(连接孔)5与安全防护网8的横梁架7紧固连接后即可。安装后，在承挂结构4与安全防护网8间保持有可允许结构件1及其所连接的安全防护网8与承挂结构4作适当位移的缓冲伸缩距离d。拆卸时，在与该安装顺序的相反顺序操作即可。

Claims (6)

  1. 附着升降脚手架安全防护网的连接结构，其特征是截面为具有基本呈U形夹持空间的结构件(1)，其夹持空间的U形两侧延伸臂的长度不相同，在长臂(3)的延伸段中长于短臂(2)延伸端之外的部位设有用于连接安全防护网的连接结构(5)，U形夹持空间的长、短臂间的夹持间距与附着升降脚手架外立面中用于承挂安全防护网的承挂结构(4)的厚度相适应。
  2. 如权利要求1所述的附着升降脚手架安全防护网的连接结构，其特征是所述用于连接安全防护网的连接结构(5)为连接孔。
  3. 如权利要求1所述的附着升降脚手架安全防护网的连接结构，其特征是所述的附着升降脚手架外立面中用于承挂安全防护网的承挂结构(4)为角钢。
  4. 如权利要求1所述的附着升降脚手架安全防护网的连接结构，其特征是所述U形夹持空间的长、短臂间与附着升降脚手架外立面中用于承挂安全防护网的承挂结构(4)的厚度相适应的夹持间距，为使用状态下所述U形夹持空间的长、短臂与所述承挂结构(4)的相对配合面之间保留有1-3毫米的间隙距离。
  5. 如权利要求1至4之一所述的附着升降脚手架安全防护网的连接结构，其特征是所述的安全防护网为包括钢板网在内的刚性结构网。
  6. 附着升降脚手架安全防护网的连接方法，其特征是采用权利要求1至5之一所述的连接结构，先将附着升降脚手架外立面中用于承挂安全防护网(8)的承挂结构(4)与结构件(1)的U形夹持空间相互夹持配合后，再用紧固结构(6)将结构件(1)的长臂经其远端的连接结构(5)与安全防护网(8)的横梁架(7)连接。
PCT/CN2019/083301 2019-03-11 2019-04-18 附着升降脚手架安全防护网的连接结构及连接方法 WO2020181615A1 (zh)

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