WO2016201711A1 - 一种伸缩机构 - Google Patents

一种伸缩机构 Download PDF

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Publication number
WO2016201711A1
WO2016201711A1 PCT/CN2015/082167 CN2015082167W WO2016201711A1 WO 2016201711 A1 WO2016201711 A1 WO 2016201711A1 CN 2015082167 W CN2015082167 W CN 2015082167W WO 2016201711 A1 WO2016201711 A1 WO 2016201711A1
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WO
WIPO (PCT)
Prior art keywords
telescopic
sets
arms
telescopic unit
arm
Prior art date
Application number
PCT/CN2015/082167
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English (en)
French (fr)
Inventor
严斌玉
Original Assignee
严斌玉
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 严斌玉 filed Critical 严斌玉
Publication of WO2016201711A1 publication Critical patent/WO2016201711A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/68—Jibs foldable or otherwise adjustable in configuration

Definitions

  • the present invention relates to the field of construction machinery, and in particular to a telescopic mechanism.
  • the telescopic mechanism is an important structure of the hoisting machinery.
  • the telescopic mechanism of the crane includes a boom telescopic mechanism and a leg retracting mechanism.
  • the function of the boom telescopic mechanism is to change the length of the boom to achieve the required amplitude and lifting height to meet the operational requirements.
  • the purpose of the leg retracting mechanism is to increase the base area of the crane, adjust the slope of the site, improve the stability against overturning, and increase the lifting capacity.
  • many telescopic mechanisms especially large-scale conventional telescopic mechanisms, include a top frame, a bottom frame, and a framed end-to-end connection therebetween, and are telescoped by sliding or large-fold folding, and the force of such a mechanism
  • the stability is relatively poor and cannot withstand excessive pressure.
  • the height and length of the extension are limited; such a mechanism is complicated in structure, high in cost, and difficult to transfer and transport; and it cannot be operated quickly, for example, in a fire raft, the length and height can determine whether the rescue is successful, and the extension speed determines the rescue. effectiveness. Therefore, it has become the Achilles heel of high-rise firefighting.
  • the present invention provides a telescopic mechanism, each group of units can move synchronously, and can perform segmental energy energy supply, improve stability of telescopic expansion and large power.
  • the combined system makes the entire telescopic mechanism evenly stressed, which can effectively and quickly ensure the smoothness of operation.
  • a telescopic mechanism characterized in that: the telescopic mechanism comprises three or more sets of side by side serially connected together with each other to be capable of telescopic movement.
  • a telescopic unit assembly wherein each of the sets of telescopic unit components are sequentially connected in series by a connecting block, and encloses a polygonal frame structure, wherein the telescopic unit assembly includes a plurality of sets of end-to-end hinged telescopic expansion
  • the telescopic unit includes two telescopic arms, and the telescopic arms and the telescopic arms are cross-joined through respective central portions.
  • the central portion of the telescopic arm is provided with a central hole, and the central hole is sleeved with a bearing, and the bearings between the two intersecting telescopic arms are connected by a rotating shaft.
  • both ends of the telescopic arm are provided with connecting holes, and the inner sleeve bearing is connected to the hole, and the two intersecting telescopic arms between the telescopic units are respectively connected by the rotating shaft.
  • both ends of the rotating shaft are provided with a circlip and padded with a gasket.
  • the various sets of the telescopic unit assemblies are hinged on the connecting block by the ends of the telescopic arms.
  • the beneficial effects of the present invention are: forming a telescopic unit assembly by sequentially articulating a plurality of telescopic units consisting of two telescopic arms, and then extending three or more sets of telescopic unit components by the connection block.
  • the combination of the joints forms a telescopic mechanism, simplifies the assembly configuration, saves material costs, improves performance efficiency, and simultaneously moves the telescopic unit components of each group to improve the stability of the telescopic expansion, so that the entire telescopic mechanism is evenly stressed, and the telescopic arms of each cross hinge are formed.
  • the triangular structure can effectively ensure the smoothness of the operation; the arm can be greatly increased, the overall weight can be reduced, the volume after retraction can be reduced, and the transportation and inventory can be conveniently explained.
  • FIG. 1 is a schematic view of a mechanism of a telescopic mechanism.
  • FIG. 2 is a schematic view of the mechanism of the telescopic unit.
  • FIG. 3 is a schematic view showing an extended state of a telescopic unit assembly.
  • FIG. 4 is a schematic view showing a contracted state of a telescopic unit assembly.
  • FIG. 5 is a telescopic mechanism composed of four sets of telescopic unit assemblies.
  • FIG. 6 is a telescopic mechanism composed of five sets of telescopic unit assemblies.
  • FIG. 7 is a telescopic mechanism composed of six sets of telescopic unit assemblies.
  • the telescopic mechanism of the present invention comprises three sets of telescopic unit assemblies which are connected in series and coupled together with each other to be telescopically movable, and each set of telescopic unit components is sequentially connected by the connecting block 2.
  • the telescopic unit assembly comprises a plurality of sets of telescopic units hinged in sequence, the telescopic unit comprises two telescopic arms 1, and the telescopic arms 1 and the telescopic arms 1 pass through respective central portions.
  • the central portion of the telescopic arm 1 is provided with a central hole 3, and the central hole 3 is sleeved with a bearing 4, and the bearing 4 between the two intersecting telescopic arms 1 is connected by a rotating shaft 5, and the two ends of the telescopic arm 1 are provided with connecting holes 6, the connecting hole 6 inner sleeve bearing 4, the two intersecting telescopic arms 4 between the telescopic units are respectively connected by the rotating shaft 5; wherein the rotating shaft 5 is provided with a retaining spring 7 at both ends thereof, and a gasket 8 is arranged thereon. Used to enhance the stability and stability of the telescopic mechanism
  • the sets of telescopic unit assemblies are hingedly connected to the connecting block 2 by the ends of the telescopic arms 1.
  • the invention discloses that the telescopic mechanism can also be composed of a combination of four groups, five groups, six groups or even more telescopic unit components.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

一种伸缩机构，包括三组并排串接、彼此连同且能够同时伸缩运动的伸缩单元组件，各组伸缩单元组件之间通过连接块（2）依次并排串接，并围成一个多边形框架结构，伸缩单元组件包括多组首尾依次铰接的伸缩单元，伸缩单元包括两个伸缩臂（1），相互之间通过各自的中心部位交叉铰接；各组伸缩单元组件可以同步运动，提高伸缩的稳定性，使得整个伸缩机构受力均匀，有效保证运行的平稳性和立体结构的稳定性。

Description

发明名称：一种伸缩机构
技术领域
[0001] 本发明涉及工程机械领域， 具体地涉及一种伸缩机构。
背景技术
[0002] 伸缩机构是起重机械的一种重要结构。 起重机的伸缩机构包括臂架伸缩机构和 支腿收放机构。 臂架伸缩机构的作用是改变臂架长度， 以获得需要的幅度和起 升高度， 满足作业要求。 支腿收放机构的用途是增大起重机的基底面积， 调整 场地的坡度， 提高抗倾覆稳定性， 增大起重能力。
[0003] 目前， 很多伸缩机构， 特别是大型传统的伸缩机构包括顶框、 底框和其中间的 附框首尾连接， 并通过滑移或大段折叠的方式进行伸缩， 这种机构的受力及其 稳定性比较差， 无法承受过高的压力， 当伸缩机构伸缩的范围越长吋， 其顶部 晃动越大； 这种机构因动力受到限制而不能伸得太长、 力臂很笨重， 所伸展的 高度、 长度都存在有限性； 这种机构结构复杂、 成本高， 转移运输都比较困难 ； 而且不可快速运行， 比如在消防救生吋， 长度和高度可以决定救援是否成功 ， 伸展速度决定救援的效率。 所以， 它成为高楼消防的致命弱点。
技术问题
[0004] 为了克服传统的伸缩机构存在的缺陷， 本发明提供一种伸缩机构， 每组单元可 同步运动， 而且可以进行分节分段能量同吋供应动力， 提高伸缩的稳定性和超 大的力量组合***， 使得整个伸缩机构受力均匀， 能有效快速并保证运行的平 稳性。
问题的解决方案
技术解决方案
[0005] 本发明解决其技术问题所采用的技术方案是： 一种伸缩机构， 其特征在于： 所 述的伸缩机构包括三组或三组以上并排串接并连同于彼此能够同吋伸缩运动的 伸缩单元组件， 所述的各组伸缩单元组件之间通过连接块依次并排串接， 并围 成一个多边形的框架结构， 所述的伸缩单元组件包括多组首尾依次铰接的伸缩 单元， 所述的伸缩单元包括两个伸缩臂， 伸缩臂与伸缩臂之间通过各自的中心 部位交叉铰接。
[0006] 作为优选的， 所述伸缩臂的中心部位设有中心孔， 中心孔内套轴承， 两个交叉 的伸缩臂之间的轴承通过转动轴连接。
[0007] 优选的， 所述伸缩臂的两端设有连接孔， 连接孔内套轴承， 各伸缩单元之间的 两个交叉伸缩臂分别通过转动轴对应连接。
[0008] 优选的， 所述转动轴的两端设有卡簧， 并垫有垫片。
[0009] 优选的， 所述的各组伸缩单元组件之间通过伸缩臂的端部铰接在连接块上连接 发明的有益效果
有益效果
[0010] 本发明的有益效果是： 通过将若干个由两个伸缩臂交叉铰接组成的伸缩单元首 尾依次铰接组合形成伸缩单元组件， 再由由连接块将三组或三组以上的伸缩单 元组件连接组合形成伸缩机构， 简化组连配置， 节省材料成本， 提高性能效率 ， 而且各组伸缩单元组件同步运动， 提高伸缩的稳定性， 使得整个伸缩机构受 力均匀， 并且各个交叉铰接的伸缩臂形成三角形结构， 能有效保证运行的平稳 性； 可以大大增长力臂、 减轻整体重量、 减少回缩后的体积， 方便运输和库存 对附图的简要说明
附图说明
[0011] 图 1是伸缩机构的机构示意图。
[0012] 图 2是伸缩单元的机构示意图。
[0013] 图 3是伸缩单元组件的伸展状态示意图。
[0014] 图 4是伸缩单元组件的收缩状态示意图。
[0015] 图 5是由四组伸缩单元组件构成的伸缩机构。
[0016] 图 6是由五组伸缩单元组件构成的伸缩机构。
[0017] 图 7是由六组伸缩单元组件构成的伸缩机构。
[0018] 图中 1-伸缩臂、 2-连接块、 3-中心孔、 4-轴承、 5-转动轴、 6-连接孔、 7-卡簧、 8-垫片。
实施该发明的最佳实施例
本发明的最佳实施方式
[0019] 为了使本发明所解决的技术问题、 技术方案及有益效果更加清楚明白， 以下结 合附图与实施例， 对本发明作进一步的说明。 应当理解， 此处所描述的实施例 仅仅用于解释本发明， 并不用于限定本发明。
[0020] 如图 1-4所示， 本发明一种伸缩机构， 包括三组并排串接并连同于彼此能够同 吋伸缩运动的伸缩单元组件， 各组伸缩单元组件之间通过连接块 2依次并排串接 ， 并围成一个三角形的框架结构， 伸缩单元组件包括多组首尾依次铰接的伸缩 单元， 伸缩单元包括两个伸缩臂 1， 伸缩臂 1与伸缩臂 1之间通过各自的中心部位 交叉铰接， 伸缩臂 1的中心部位设有中心孔 3， 中心孔 3内套轴承 4， 两个交叉的 伸缩臂 1之间的轴承 4通过转动轴 5连接， 伸缩臂 1的两端设有连接孔 6， 连接孔 6 内套轴承 4， 各伸缩单元之间的两个交叉伸缩臂 4分别通过转动轴 5对应连接； 其 中转动轴 5的两端设有卡簧 7， 并垫有垫片 8， 用于增强伸缩机构的牢固和稳定性
[0021] 优选的， 各组伸缩单元组件之间通过伸缩臂 1的端部铰接在连接块 2上连接。
[0022] 如图 5-7所示， 发明一种伸缩机构还可以由四组、 五组、 六组甚至更多伸缩单 元组件组合构成。
[0023] 以上所述仅为本发明的较佳实施例， 并不用以限制本发明， 凡在本发明的精神 和原则之内所作的任何修改、 同等替换和改进等， 均应落在本发明的保护范围 之内。

Claims

权利要求书
[权利要求 1] 一种伸缩机构， 其特征在于： 所述的伸缩机构包括三组或三组以上并 排串接并连同于彼此能够同吋伸缩运动的伸缩单元组件， 所述的各组 伸缩单元组件之间通过连接块依次并排串接， 并围成一个多边形的框 架结构， 所述的伸缩单元组件包括多组首尾依次铰接的伸缩单元， 所 述的伸缩单元包括两个伸缩臂， 伸缩臂与伸缩臂之间通过各自的中心 部位交叉铰接。
[权利要求 2] 根据权利要求 1所述的一种伸缩机构， 其特征在于： 所述伸缩臂的中 心部位设有中心孔， 中心孔内套轴承， 两个交叉的伸缩臂之间的轴承 通过转动轴连接。
[权利要求 3] 根据权利要求 1所述的一种伸缩机构， 其特征在于： 所述伸缩臂的两 端设有连接孔， 连接孔内套轴承， 各伸缩单元之间的两个交叉伸缩臂 分别通过转动轴对应连接。
[权利要求 4] 根据权利要求 2或 3所述的一种伸缩机构， 其特征在于： 所述转动轴的 两端设有卡簧， 并垫有垫片。
[权利要求 5] 根据权利要求 1所述的一种伸缩机构， 其特征在于： 所述的各组伸缩 单元组件之间通过伸缩臂的端部铰接在连接块上连接。
PCT/CN2015/082167 2015-06-17 2015-06-24 一种伸缩机构 WO2016201711A1 (zh)

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CN112010196B (zh) * 2020-08-24 2023-01-20 安徽平天湖投资控股集团有限公司 一种高层建筑安装或拆卸空调外机吊运装置
CN111994804B (zh) * 2020-08-24 2022-12-20 北京承达智能科技有限公司 用于高层建筑墙外安装空调外机的吊运方法

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CN101233071A (zh) * 2005-07-29 2008-07-30 弗伦茨·埃伦莱特纳 可折叠的悬臂
CN201495046U (zh) * 2009-07-27 2010-06-02 中昇建机(南京)重工有限公司 风力发电设备吊装专用吊机
CN204675688U (zh) * 2015-06-17 2015-09-30 严斌玉 一种伸缩机构

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EP0443353B1 (de) * 1990-02-17 1994-07-27 Fried. Krupp AG Hoesch-Krupp Fahrzeugteleskopkran
CN101233071A (zh) * 2005-07-29 2008-07-30 弗伦茨·埃伦莱特纳 可折叠的悬臂
CN201495046U (zh) * 2009-07-27 2010-06-02 中昇建机(南京)重工有限公司 风力发电设备吊装专用吊机
CN204675688U (zh) * 2015-06-17 2015-09-30 严斌玉 一种伸缩机构

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