CN201233230Y - Displacement measurement machine for working face baseboard - Google Patents

Displacement measurement machine for working face baseboard Download PDF

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Publication number
CN201233230Y
CN201233230Y CNU2008200384228U CN200820038422U CN201233230Y CN 201233230 Y CN201233230 Y CN 201233230Y CN U2008200384228 U CNU2008200384228 U CN U2008200384228U CN 200820038422 U CN200820038422 U CN 200820038422U CN 201233230 Y CN201233230 Y CN 201233230Y
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rock
working face
measuring device
connecting rope
displacement measuring
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许进鹏
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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Abstract

一种用于采煤工作面底板的位移测量器,它由设在钻孔底部岩层的固定座上的连接绳,与连接绳相连的设在侍测岩层处的随岩运动器和与其相连的引出地面的传输管构成,传输管出口处设有读数器。使用时,将测量器的底部固定座固定在位移量为零的岩层上,随岩运动器固定在待测量并产生位移较大的岩层上,当随岩运动器在岩层位移带动下与活塞做相对运动,活塞带动指示液下降,经读数器显示,即可知道岩层的相对运动量。其结构简单,安全可靠,测量精度高,能对工作面突水起到预警作用,避免产生水灾害的发生,为煤矿安全提供可靠的保证。

Figure 200820038422

A displacement measuring device used for the floor of a coal mining face, which consists of a connecting rope arranged on a fixed seat of the rock formation at the bottom of a drilling hole, a rock-following device connected to the connecting rope at the rock formation to be measured, and a It consists of a transmission pipe leading to the ground, and a reader is arranged at the exit of the transmission pipe. When in use, the bottom fixing seat of the measuring device is fixed on the rock formation with zero displacement, and the rock-following device is fixed on the rock layer to be measured and has a large displacement. Relative movement, the piston drives the indicator liquid to descend, and the relative movement of the rock formation can be known through the display of the reader. Its structure is simple, safe and reliable, and its measurement accuracy is high. It can play an early warning role for water inrush in the working face, avoid the occurrence of water disasters, and provide a reliable guarantee for the safety of coal mines.

Figure 200820038422

Description

一种用于采煤工作面底板的位移测量器 A Displacement Measuring Device for the Floor of Coal Mining Face

技术领域 technical field

本实用新型涉及一种位移测量器,尤其是涉及一种用于煤矿工作面底板位的移测量装置。The utility model relates to a displacement measuring device, in particular to a displacement measuring device used for the floor position of a coal mine working face.

背景技术 Background technique

测试煤矿工作面底板的位移,对研究工作面底板的突水机理,监控工作面底板的突水过程,防范工作面底板突水,有着十分重要的意义。但由于工作面的顶板随时冒落,采空区内环境十分复杂,特别是参照点难以寻找,目前测试工作面底板位移还十分困难。一些科学工作者采用钻孔法进行测量,主要方案是在工作面底板专门掘进一条探测巷,然后向上施工一钻孔,在钻孔内相应的层位安上软木塞,在软木塞上系上细铁丝,通过测试铁丝来反映工作面底板的位移。但该方法测量精度较低,而且软木塞易于脱落,并且需要在工作面底板掘进专门巷道布置钻孔,十分不便,在有些工作面,甚至根本就没有掘进探测巷的条件。Testing the displacement of the floor of the coal mine working face is of great significance for studying the mechanism of water inrush from the floor of the working face, monitoring the process of water inrush from the floor of the working face, and preventing water inrush from the floor of the working face. However, because the roof of the working face falls at any time, the environment in the goaf is very complicated, especially the reference point is difficult to find, and it is still very difficult to test the displacement of the bottom plate of the working face. Some scientific workers use the drilling method for measurement. The main plan is to dig a special detection lane on the bottom plate of the working face, and then construct a drill hole upwards, install corks at the corresponding layers in the drill holes, and tie a cork on the cork. Thin iron wire, through testing the iron wire to reflect the displacement of the bottom plate of the working face. However, the measurement accuracy of this method is low, and the cork is easy to fall off, and it is very inconvenient to drill a special roadway on the floor of the working face to arrange drilling holes. In some working faces, there is even no condition for driving a detection roadway at all.

发明内容 Contents of the invention

本实用新型的目的是克服已有技术中的不足,提供一种结构简单,能够精确测量工作面底板位移,对工作面突水起到预警作用,避免产生水灾害问题的用于煤矿工作面底板的位移测量器。The purpose of this utility model is to overcome the deficiencies in the prior art, to provide a simple structure, which can accurately measure the displacement of the bottom plate of the working face, play an early warning role for the water inrush of the working face, and avoid the occurrence of water disasters for the bottom plate of the coal mine working face. displacement measurer.

本实用新型的技术方案是:它由设在钻孔底部岩层的固定座上的连接绳,与连接绳相连的设在侍测岩层处的随岩运动器和与其相连的引出地面的传输管构成,传输管出口处设有读数器。The technical scheme of the utility model is: it is composed of a connecting rope arranged on the fixed seat of the rock formation at the bottom of the borehole, a rock-following movement device connected to the connecting rope, which is arranged at the rock formation to be measured, and a transmission pipe connected to it to lead out from the ground. , a reader is provided at the outlet of the transmission tube.

所述的随岩运动器由上部装有指示液的柱桶,与柱桶相配合的活塞和设在活塞下方的弹簧构成;所述的连接绳外部套有保护管;所述的保护管为多节金属管套接而成;所述传输管为内是软管外套金属管的双套管。The rock-moving device is composed of a column barrel with indicating liquid on the upper part, a piston matched with the column barrel and a spring arranged below the piston; the outer part of the connecting rope is covered with a protective tube; the protective tube is It is formed by connecting multiple metal pipes; the transmission pipe is a double casing with a flexible pipe on the inside and a metal pipe on the outside.

本实用新型的有益效果是:工作面底板位移测量器稳定可靠,不会发生脱落现象;由于读数器成百倍地放大了岩层位移量,大大提高了测量精度;不用另行掘进钻孔专用巷道,节约成本,易于扩大测量范围;观测方便,并可以连续观测;该装置柔软性与坚固性相结合,特别适于采空区复杂环境使用,适合于在工作面复杂的环境中安装仪器;安装成本低,不需要另行施工专用巷道;结构简单,安全可靠,能够精确测量工作面底板位移,对工作面突水起到预警作用,避免产生水灾害问题,为煤矿安全提供可靠的保证。The beneficial effects of the utility model are: the displacement measuring device of the bottom plate of the working face is stable and reliable, and will not fall off; since the reading device magnifies the displacement of the rock layer by a hundred times, the measurement accuracy is greatly improved; there is no need to dig a special roadway for drilling, saving Low cost, easy to expand the measurement range; convenient observation, and continuous observation; the combination of softness and firmness of the device is especially suitable for use in complex environments in gobs, and is suitable for installing instruments in complex environments on working faces; low installation cost , no need to construct a special roadway; simple structure, safe and reliable, can accurately measure the displacement of the bottom plate of the working face, play an early warning role in the water inrush of the working face, avoid water disasters, and provide a reliable guarantee for coal mine safety.

附图说明 Description of drawings

附图是本实用新型的结构示意图。Accompanying drawing is the structural representation of the utility model.

图中:1—固定座,2—护管,3—连接绳,4—弹簧支板,5-弹簧,6—注浆孔,7—活塞,8—随岩运动器,9—柱桶,10—传输管,11—读数器,12—底部岩石,13—钻孔,14—待测岩层,15—风巷In the figure: 1—fixed seat, 2—protective pipe, 3—connecting rope, 4—spring support plate, 5—spring, 6—grouting hole, 7—piston, 8—rock moving device, 9—column barrel, 10—transmission pipe, 11—reader, 12—bottom rock, 13—drilling hole, 14—rock formation to be tested, 15—wind tunnel

具体实施方式 Detailed ways

下面结合附图中的实施例对本实用新型作进一步的描述:The utility model will be further described below in conjunction with the embodiment in the accompanying drawings:

本实用新型的用于煤矿工作面底板的位移测量器,由底部固定座1、保护管2、连接绳3、弹簧支板4、弹簧5、注浆孔6、活塞7、随岩运动器8、柱桶9、传输管10、读数器11组成。底部固定座1为圆柱体,设在底部岩石12内,高0.5m,直径根据相应的钻孔13的直径确定;连接绳3为一抗拉强度较大的钢丝绳,连接绳3的下端与底部固定座1连接,上端与随岩运动器8中的活塞7相连,随岩运动器8设在待测岩层14处;连接绳3的外部装有保护管2,保护管由多节金属套管连接而成,每节套管长1.5m直径约3-4cm。每节套管上细下粗,下部的内径等于上部的外径,连接时将上部套入下部即可。保护管2一端连接底部固定座1,另一端连接弹簧支板4,弹簧支板4与弹簧5一端连接,弹簧5另一端与活塞7连接。随岩运动器8为圆筒形,高度0.5m,直径略小于钻孔的直径,内腔下部装有活塞7、弹簧5、弹簧支板4,活塞7下端与连接绳3连接,活塞7与随岩运动器8内腔密闭良好,传输管10是内软管外套金属管的双套管,一端与随岩运动器8相连,另一端与读数器11相连;传输管10引出风巷15,其端部的读数器11为透明圆筒形,刻有标准刻度;随岩运动器8与传输管10的密封腔内充满指示液,指示液有两种颜色,用两种液体颜色的分界面做为读数器的读数点。The utility model is used for the displacement measuring device of the bottom plate of the coal mine working face, which consists of a bottom fixing seat 1, a protection tube 2, a connecting rope 3, a spring support plate 4, a spring 5, a grouting hole 6, a piston 7, and a rock moving device 8 , column bucket 9, transfer tube 10, reader 11 is composed. Bottom fixed seat 1 is cylinder, is located in bottom rock 12, height 0.5m, and diameter is determined according to the diameter of corresponding borehole 13; The fixed seat 1 is connected, and the upper end is connected with the piston 7 in the rock moving device 8, and the rock moving device 8 is arranged at the rock formation 14 to be tested; the outer part of the connecting rope 3 is equipped with a protective tube 2, and the protective tube is made of a multi-section metal casing. Connected, each section of casing is 1.5m long and 3-4cm in diameter. Each section of casing is thinner at the top and thicker at the bottom, and the inner diameter of the lower part is equal to the outer diameter of the upper part. When connecting, just insert the upper part into the lower part. One end of the protection tube 2 is connected to the bottom fixing seat 1 , and the other end is connected to the spring support plate 4 , the spring support plate 4 is connected to one end of the spring 5 , and the other end of the spring 5 is connected to the piston 7 . The rock moving device 8 is cylindrical, with a height of 0.5m and a diameter slightly smaller than the diameter of the borehole. The lower part of the inner cavity is equipped with a piston 7, a spring 5, and a spring support plate 4. The lower end of the piston 7 is connected with the connecting rope 3, and the piston 7 is connected with the The inner cavity of the rock-moving device 8 is well sealed, and the transmission pipe 10 is a double casing with an inner hose and a metal pipe. One end is connected to the rock-moving device 8, and the other end is connected to the reader 11; The reader 11 at the end is transparent cylindrical with standard scale engraved; the sealed chamber of the rock-following movement device 8 and the transmission pipe 10 is filled with indicating liquid, which has two colors, and the interface between the two liquid colors As the reading point of the reader.

工作过程:在工作面未开采之前,在切眼内或其它适合的位置施工钻孔13,钻孔完成后,将底部固定座1与连接绳3连接好,然后安上第一节保护管2,放入钻孔内,卡住连接绳3,使底部固定座1及保护管2不掉下去,接着套上第二节保护管2,再放入钻孔内,如此直到保护管2安装完毕,然后将弹簧支架4、弹簧5、连接绳3、活塞7、柱桶9依次接上,将以上连接体缓慢放入钻孔内,同时接上传输管10,当整个装置安放到位,通过注浆孔5向钻孔内注水泥浆或化学浆液,将整个钻孔封住。并将传输管10从钻孔内引出,沿工作面底板铺设好,并用铁管套住加以保护,传输管10延伸至观测点,接上读数器11,注入指示液,使指示液两种颜色的分界面位于读数器11的零点位置。当工作面开采之后,工作面底板的岩层在地下水压力的作用和矿山压力的作用下会发生向上运动,当待测岩层14发生运动时,会带动随岩运动器的柱桶9也向上运动,这时活塞7由于与底部固定座1相连而静止(或运动量很小),活塞7和柱桶9就会发生相对位移,柱桶9内的指示液也要向下运动,由于随岩运动器8通过传输管10与读数器11相连通,所以读数器11内的指示液也会下降,通过读出指示液的下降值并除以面积的倍数就可以得到待测岩层14的位移量。Working process: Before the working face is mined, construct the drilling 13 in the cut hole or other suitable positions. After the drilling is completed, connect the bottom fixing seat 1 and the connecting rope 3, and then install the first section of the protective pipe 2 , put it into the drill hole, clamp the connecting rope 3, so that the bottom fixing seat 1 and the protection tube 2 will not fall off, then put on the second section of protection tube 2, and then put it into the drill hole, and so on until the protection tube 2 is installed , then connect the spring bracket 4, spring 5, connecting rope 3, piston 7, and column barrel 9 in sequence, slowly put the above connecting body into the drill hole, and connect the transmission pipe 10 at the same time, when the whole device is put in place, through injection The grout hole 5 injects grout or chemical slurry in the borehole to seal the whole borehole. Lead out the transmission pipe 10 from the borehole, lay it along the bottom plate of the working face, and cover it with an iron pipe for protection. The interface of is located at the zero position of the reader 11. After the mining of the working face, the rock layer on the floor of the working face will move upward under the action of groundwater pressure and mine pressure. When the rock layer 14 to be tested moves, it will drive the column barrel 9 of the rock moving device to move upward, At this time, the piston 7 is still (or the amount of movement is very small) due to being connected to the bottom fixed seat 1, and the relative displacement will occur between the piston 7 and the column barrel 9, and the indicating liquid in the column barrel 9 will also move downward. 8 is communicated with the reader 11 through the transmission pipe 10, so the indicator liquid in the reader 11 will also drop, and the displacement of the rock formation 14 to be measured can be obtained by reading the drop value of the indicator liquid and dividing it by the multiple of the area.

Claims (5)

1、一种用于采煤工作面底板的位移测量器,其特征在于:它由设在钻孔底部岩层(12)的固定座(1)上的连接绳(3),与连接绳(3)相连的设在侍测岩层(13)处的随岩运动器(8)和与其相连的引出地面的传输管(10)构成,随岩运动器(8)上设有注浆管(6),传输管(10)出口处设有读数器(11)。1. A displacement measuring device for the floor of a coal mining face, characterized in that: it consists of a connecting rope (3) arranged on a fixed seat (1) of the rock formation (12) at the bottom of the borehole, and a connecting rope (3) ) connected to the rock-moving device (8) at the rock layer (13) to be tested and the transmission pipe (10) connected to it to lead out of the ground, and the rock-moving device (8) is provided with a grouting pipe (6) , a reader (11) is provided at the outlet of the transfer pipe (10). 2、根据权利要求1所述的用于煤矿工作面底板的位移测量器,其特征在于:所述的随岩运动器(8)由上部装有有色液体的柱桶(9),与柱桶(9)相配合的活塞(7)和设在活塞(7)下方的弹簧(5)构成。2. The displacement measuring device for the bottom plate of coal mine working face according to claim 1, characterized in that: said rock-following device (8) consists of a column barrel (9) with colored liquid on the top, and a column barrel (9) The matched piston (7) and the spring (5) located at the piston (7) below constitute. 3、根据权利要求1所述的用于煤矿工作面底板的位移测量器,其特征在于:所述的连接绳(3)外部套有保护管(2)。3. The displacement measuring device for the bottom plate of coal mine working face according to claim 1, characterized in that: said connecting rope (3) is covered with a protective tube (2). 4、根据权利要求3所述的用于煤矿工作面底板的位移测量器,其特征在于:所述的保护管(2)为多节金属管套接而成。4. The displacement measuring device for the bottom plate of coal mine working face according to claim 3, characterized in that: the protection tube (2) is made of multi-section metal tubes socketed. 5、根据权利要求1所述的用于煤矿工作面底板的位移测量器,其特征在于:所述传输管(10)为内是软管外套金属管的双套管。5. The displacement measuring device for the bottom plate of coal mine working face according to claim 1, characterized in that: the transmission pipe (10) is a double casing with a hose inside and a metal pipe outside.
CNU2008200384228U 2008-06-20 2008-06-20 Displacement measurement machine for working face baseboard Expired - Fee Related CN201233230Y (en)

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Cited By (12)

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Publication number Priority date Publication date Assignee Title
CN101832151A (en) * 2010-05-25 2010-09-15 煤炭科学研究总院西安研究院 Embedding method of combination transducer for early warning and monitoring of water inrush disaster of mines
CN101900594A (en) * 2010-07-20 2010-12-01 周泉清 Liquid level variable precision data monitoring early warning device
CN102174900A (en) * 2011-03-08 2011-09-07 太原理工大学 Top plate displacement monitoring device based on pretightening force
WO2012071761A1 (en) * 2010-11-30 2012-06-07 Zhou Quanqing Accurate measuring and metering method and device via liquid level variable of hydraulic container or oil cylinder
CN102926808A (en) * 2012-10-25 2013-02-13 南阳理工学院 Underground coal dressing chamber bottom plate online monitoring device and method based on fiber bragg grating sensing
CN105484796A (en) * 2016-01-04 2016-04-13 中国矿业大学(北京) Underground flood alarm system based on temperature, humidity and image monitoring equipment
CN107741211A (en) * 2017-08-18 2018-02-27 西北矿冶研究院 Slope displacement monitoring method
CN109268072A (en) * 2018-11-16 2019-01-25 东北大学 Mine floor water bursting disaster intelligence, the big data cloud platform of real-time prediction and warning
CN110108214A (en) * 2019-06-05 2019-08-09 长安大学 A kind of geotechnical engineering horizontal displacement monitoring system
CN110132199A (en) * 2019-05-06 2019-08-16 山东科技大学 A Field Detection Method for Fracture Parameters of Hard Basic Roof in Mining Working Face
CN112097726A (en) * 2020-09-16 2020-12-18 淮南矿业(集团)有限责任公司 Device and method for measuring expansion deformation of protected layer
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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101832151A (en) * 2010-05-25 2010-09-15 煤炭科学研究总院西安研究院 Embedding method of combination transducer for early warning and monitoring of water inrush disaster of mines
CN101900594A (en) * 2010-07-20 2010-12-01 周泉清 Liquid level variable precision data monitoring early warning device
WO2012071761A1 (en) * 2010-11-30 2012-06-07 Zhou Quanqing Accurate measuring and metering method and device via liquid level variable of hydraulic container or oil cylinder
CN102174900A (en) * 2011-03-08 2011-09-07 太原理工大学 Top plate displacement monitoring device based on pretightening force
CN102926808A (en) * 2012-10-25 2013-02-13 南阳理工学院 Underground coal dressing chamber bottom plate online monitoring device and method based on fiber bragg grating sensing
CN102926808B (en) * 2012-10-25 2015-04-22 南阳理工学院 Underground coal dressing chamber bottom plate online monitoring device and method based on fiber bragg grating sensing
CN105484796A (en) * 2016-01-04 2016-04-13 中国矿业大学(北京) Underground flood alarm system based on temperature, humidity and image monitoring equipment
CN107741211A (en) * 2017-08-18 2018-02-27 西北矿冶研究院 Slope displacement monitoring method
CN109268072A (en) * 2018-11-16 2019-01-25 东北大学 Mine floor water bursting disaster intelligence, the big data cloud platform of real-time prediction and warning
CN109268072B (en) * 2018-11-16 2020-04-07 东北大学 Big data cloud platform for intelligent and real-time prediction and early warning of water inrush disaster of coal mine floor
CN110132199A (en) * 2019-05-06 2019-08-16 山东科技大学 A Field Detection Method for Fracture Parameters of Hard Basic Roof in Mining Working Face
CN110132199B (en) * 2019-05-06 2020-10-02 山东科技大学 Method for detecting hard basic roof fracture parameters of stope face on site
CN110108214A (en) * 2019-06-05 2019-08-09 长安大学 A kind of geotechnical engineering horizontal displacement monitoring system
CN112097726A (en) * 2020-09-16 2020-12-18 淮南矿业(集团)有限责任公司 Device and method for measuring expansion deformation of protected layer
CN112097726B (en) * 2020-09-16 2021-10-01 淮南矿业(集团)有限责任公司 Device and method for measuring expansion deformation of protected layer
CN114320357A (en) * 2021-12-02 2022-04-12 北京市政建设集团有限责任公司 Crack reinforcing structure for subway tunnel construction and method thereof
CN114320357B (en) * 2021-12-02 2023-09-22 北京市政建设集团有限责任公司 Crack reinforcing structure for subway tunnel construction and method thereof

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