CN202329621U - 一种测量隧道拱顶下沉的设备 - Google Patents

一种测量隧道拱顶下沉的设备 Download PDF

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Publication number
CN202329621U
CN202329621U CN2011204921873U CN201120492187U CN202329621U CN 202329621 U CN202329621 U CN 202329621U CN 2011204921873 U CN2011204921873 U CN 2011204921873U CN 201120492187 U CN201120492187 U CN 201120492187U CN 202329621 U CN202329621 U CN 202329621U
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China
Prior art keywords
equipment
rule
shrinkage
tunnel
hook
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Expired - Fee Related
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CN2011204921873U
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Inventor
黄林华
陈秋南
李腾飞
刘明
马晓朋
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Third Engineering Co Ltd of China Railway 16th Bureau Group Co Ltd
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Hunan University of Science and Technology
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Abstract

本实用新型公开了一种测量隧道拱顶下沉的设备。它包括挂钩、伸缩尺和伸缩尺上的刻度，所述的挂钩固定在伸缩尺的顶端，所述的伸缩尺为圆柱形，所述的伸缩尺上的刻度可精确到0.1mm。本实用新型结构简单，易操作，不耽误施工。

Description

一种测量隧道拱顶下沉的设备
技术领域
本实用新型涉及一种测量设备，特别涉及一种测量隧道拱顶下沉的设备。
背景技术
新奥法的基本概念是以控制爆破（光面爆破、预裂爆破等）为开挖方法；以喷锚作为主要支护手段，通过监测控制围岩变形，动态修正设计参数和变动施工方法的一种隧道施工方法，其核心内容是充分发挥围岩的自承能力。在隧道的施工过程中，使用各种仪器设备和量测元件，对地表沉降、围岩与支护结构的变形、应力、应变进行量测，据此来判断隧道开挖对地表环境的影响范围和程度、围岩的稳定性和支护的工作状态，这种工作称为新奥法的现场监控量测。其中，拱顶下沉属于监控量测中的必测项目。目前，对于拱顶下沉的测量，普遍存在着操作复杂，测量数据不理想的缺点。
发明内容
为了解决上述技术问题，本实用新型提供了一种结构简单、易操作、效率高的测量隧道拱顶下沉的设备。
本实用新型解决上述的技术问题的技术方案是：包括挂钩、伸缩尺和伸缩尺上的刻度，所述的挂钩固定在伸缩尺的顶端。
进一步，所述的伸缩尺为圆柱形。
进一步，所述的伸缩尺上的刻度可精确到0.1mm。 
由于采用上述技术方案，本实用新型的有益效果是：本实用新型结构简单，易操作，不耽误施工。
附图说明
图1为本实用新型的结构示意图。
具体实施方式
下面结合附图和具体实施方式对本实用新型作进一步详细的说明：
如图1所示，本实用新型包括挂钩1、伸缩尺2和伸缩尺上的刻度3，所述的挂钩1固定在伸缩尺2的顶端，所述的伸缩尺2为圆柱形，所述的伸缩尺上的刻度3可精确到0.1mm。
本实用新型的具体实施过程为：拉开伸缩尺2，将挂钩1挂在隧道内预先埋设的拱顶下沉点上，借助水准仪测量每次拱顶的高程，伸缩尺2上每次的刻度差即为拱顶下沉量。

Claims (3)

1.一种测量隧道拱顶下沉的设备，其特征在于：包括挂钩、伸缩尺和伸缩尺上的刻度，所述的挂钩固定在伸缩尺的顶端。
2.根据权利要求1所述的测量隧道拱顶下沉的设备，其特征在于：所述的伸缩尺为圆柱形。
3.根据权利要求1所述的测量隧道拱顶下沉的设备，其特征在于：所述的伸缩尺上的刻度可精确到0.1mm。
CN2011204921873U 2011-12-01 2011-12-01 一种测量隧道拱顶下沉的设备 Expired - Fee Related CN202329621U (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103256918A (zh) * 2013-05-16 2013-08-21 重庆大学 隧道拱顶沉降测量专用尺
CN106403887A (zh) * 2016-08-26 2017-02-15 国家林业局昆明勘察设计院 一种长颈自动伸缩测量杆
CN106546220A (zh) * 2016-12-09 2017-03-29 长安大学 一种快速测量隧道拱顶下沉装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103256918A (zh) * 2013-05-16 2013-08-21 重庆大学 隧道拱顶沉降测量专用尺
CN106403887A (zh) * 2016-08-26 2017-02-15 国家林业局昆明勘察设计院 一种长颈自动伸缩测量杆
CN106403887B (zh) * 2016-08-26 2018-09-11 国家林业局昆明勘察设计院 一种长颈自动伸缩测量杆
CN106546220A (zh) * 2016-12-09 2017-03-29 长安大学 一种快速测量隧道拱顶下沉装置
CN106546220B (zh) * 2016-12-09 2022-10-25 长安大学 一种快速测量隧道拱顶下沉装置

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Assignee: The Third Engineering Co.,Ltd.of China Railway 16th Group

Assignor: Hunan Sci-Tech Univ.

Contract record no.: 2014990000285

Denomination of utility model: Equipment for measuring crown settlement of tunnel

Granted publication date: 20120711

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Record date: 20140508

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Address after: 313002 No. 288 East Lake Road, Zhejiang, Huzhou

Patentee after: The Third Engineering Co.,Ltd.of China Railway 16th Group

Address before: 411201 Taoyuan Road, Yuhu District, Hunan, Xiangtan

Patentee before: Hunan Sci-Tech Univ.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120711

Termination date: 20171201

CF01 Termination of patent right due to non-payment of annual fee