CN2801872Y - 挂篮主桁前支点移动装置 - Google Patents

挂篮主桁前支点移动装置 Download PDF

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CN2801872Y
CN2801872Y CN 200520078829 CN200520078829U CN2801872Y CN 2801872 Y CN2801872 Y CN 2801872Y CN 200520078829 CN200520078829 CN 200520078829 CN 200520078829 U CN200520078829 U CN 200520078829U CN 2801872 Y CN2801872 Y CN 2801872Y
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distribution beam
hanging basket
main truss
supporting point
front supporting
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雷波
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China Road and Bridge Corp
CCCC Second Highway Engineering Co Ltd
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No2 Road Engineering Bureau Luqiao Group
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Abstract

本实用新型涉及预应力混凝土桥梁悬臂浇筑挂篮设备,特别是关于一种挂篮主桁前支点移动装置,其特征是:它的前支点(1)和上分配梁(2)通过销钉连接,上分配梁(2)压在下分配梁(3)上并固定连接,下分配梁(3)通过销钉与滑船(4)固定连接,橡胶四氟板(5)连接在滑船(4)底面压在工字钢轨道(6)上,滑船(4)通过橡胶四氟板(5)支撑在工字钢轨道(6)上,工字钢轨道(6)上固定有不锈钢板(8),滑船(4)上固定有限位板(7)。这种挂篮主桁前支点移动装置具有安装方便、移动迅速、行走平稳、安全的优点。

Description

挂篮主桁前支点移动装置
                       技术领域
本实用新型涉及预应力混凝土桥梁悬臂浇筑挂篮设备,特别是关于一种挂篮主桁前支点移动装置。
                         背景技术
预应力混凝土桥梁箱梁悬臂浇筑是T型刚构和连续梁桥最常用的施工方法,而挂篮设备是进行该方法的必备设备,挂篮主桁前支点移动装置是承受挂篮设备自重和悬浇段重量的关键部位,需要承受强大的支点反力,它的安全与否关系到挂篮整个设备的安全。国外采用支点上设置千斤顶来承受挂篮工作状态(浇筑混凝土阶段)时的强大反力,当要移动挂篮时(空载时),利用带钢轮的平车在轨道上移动,前支点通过千斤顶将反力转换到平车上使轨道承受压力,这种设置工序较多而且需占用千斤顶设备,费用较高。国内采用支点下设置滚筒来移动或在轨道面上抹黄油来减少摩阻力,有些支点采用平车结构来移动。采用滚筒移动挂篮需要辅助千斤顶升起支点放入钢制滚筒,就位后用千斤顶升起支点取出滚筒。工序较多、安全性较差。抹黄油在轨道顶面其摩阻力仍较大,因在露天作业,泥砂容易进入黄油中,因此需要较大的牵引设备,并且废黄油污染环境。
                         发明内容
本实用新型的目的是提供一种挂篮主桁前支点移动装置,它具有安装方便、移动迅速、行走平稳、安全的优点。
本实用新型的技术方案是:设计一种挂篮主桁前支点移动装置,其特征是:它的前支点1和上分配梁2通过销钉连接,上分配梁2压在下分配梁3上并固定连接,下分配梁3通过销钉与滑船4固定连接,橡胶四氟板5连接在滑船4底面压在工字钢轨道6上,滑船4通过橡胶四氟板5支撑在工字钢轨道6上,工字钢轨道6上固定有不锈钢板8,滑船4上固定有限位板7。
本实用新型的特点是:这种挂篮主桁前支点移动装置,它在挂篮前支点下方设置有滑船,钢制滑船下粘结一块厚21mm的橡胶四氟板滑块,轨道顶面焊接厚3mm的不锈钢板,四氟板滑块与不锈钢板之间最大摩阻系数μ=0.05,可有效的减少顶推力,不使用千斤顶,不需进行反力转换,因此具有安装方便、移动迅速、行走平稳安全的优点。
                         附图说明
下面结合附图对本实用新型进一步说明。
图1是实施例的正面示意图;
图2是图1的侧视图。
图中:1、前支点;2、上分配梁;3、下分配梁;4、滑船;5、橡胶四氟板;6、工字钢轨道;7、限位板;8、不锈钢板。
                     具体实施方式
在图1、图2中,它的前支点1和上分配梁2通过销钉连接,上分配梁2压在下分配梁3上并用螺栓固定连接,挂篮主桁前支点1将荷载传递给上分配梁2,上分配梁2又将荷载传递给下分配梁3,下分配梁3和滑船4用销钉连接,分配梁3将荷载传递给滑船4,滑船4底面粘有橡胶四氟板5,滑船4直接支撑在工字钢轨道6上,工字钢轨道6上焊接3mm厚的不锈钢板,四氟板滑块与不锈钢板8之间最大摩阻系数μ=0.05,可有效的减少顶推力,它不用千斤顶,不需进行反力转换,具有安装方便、移动迅速、行走平稳安全的优点。滑船4上焊有限位板7可阻止滑船4偏位。

Claims (1)

1、挂篮主桁前支点移动装置,其特征是:它的前支点(1)和上分配梁(2)通过销钉连接,上分配梁(2)压在下分配梁(3)上并固定连接,下分配梁(3)通过销钉与滑船(4)固定连接,橡胶四氟板(5)连接在滑船(4)底面压在工字钢轨道(6)上,滑船(4)通过橡胶四氟板(5)支撑在工字钢轨道(6)上,工字钢轨道(6)上固定有不锈钢板(8),滑船(4)上固定有限位板(7)。
CN 200520078829 2005-05-27 2005-05-27 挂篮主桁前支点移动装置 Expired - Fee Related CN2801872Y (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101255678B (zh) * 2007-12-28 2010-08-11 贵州省桥梁工程总公司 拖拉桥梁拱肋的滑移支架
CN102373674A (zh) * 2011-11-30 2012-03-14 浙江省交通工程建设集团有限公司第二分公司 三角挂篮行走装置
CN102373673A (zh) * 2011-11-24 2012-03-14 中铁二十一局集团有限公司 跨铁路既有线桥梁施工滚轴挂蓝及其使用方法
CN105002827A (zh) * 2015-07-03 2015-10-28 金少平 菱形建筑架用连接盒

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101255678B (zh) * 2007-12-28 2010-08-11 贵州省桥梁工程总公司 拖拉桥梁拱肋的滑移支架
CN102373673A (zh) * 2011-11-24 2012-03-14 中铁二十一局集团有限公司 跨铁路既有线桥梁施工滚轴挂蓝及其使用方法
CN102373674A (zh) * 2011-11-30 2012-03-14 浙江省交通工程建设集团有限公司第二分公司 三角挂篮行走装置
CN105002827A (zh) * 2015-07-03 2015-10-28 金少平 菱形建筑架用连接盒

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Address after: Department of enterprise development, No. 88, No. 3, Anwai street, Beijing, zip code: 100011

Co-patentee after: No.2 Road Engineering Bureau, Luqiao Group

Patentee after: China Luqiao Engineering Co., Ltd.

Address before: Shaanxi province Xi'an City Road eight No. 262 Luqiao Group Second Highway Engineering Bureau of Technology Development Department, zip code: 710065

Patentee before: No.2 Road Engineering Bureau, Luqiao Group

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Address after: 100011 Beijing An Wai Avenue No. 88 C Enterprise Development Department

Co-patentee after: Zhongjiao Second Highway Engineering Bureau Co., Ltd.

Patentee after: China Road & Bridge Corporation

Address before: 100011 Beijing An Wai Avenue No. 88 C Enterprise Development Department

Co-patentee before: No.2 Road Engineering Bureau, Luqiao Group

Patentee before: China Road & Bridge Corporation

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Termination date: 20130527