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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CN
China
Prior art keywords
rock
stratum
base plate
displacement
rock stratum
Prior art date
Application number
CNU2008200384228U
Other languages
Chinese (zh)
Inventor
许进鹏
Original Assignee
中国矿业大学
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.)
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Publication date
Application filed by 中国矿业大学 filed Critical 中国矿业大学
Priority to CNU2008200384228U priority Critical patent/CN201233230Y/en
Application granted granted Critical
Publication of CN201233230Y publication Critical patent/CN201233230Y/en

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Abstract

The utility model relates to a displacement measurer for a coal-mining working face floor, which comprises a connecting rope, a stratum-following mover and a transfer pipe; wherein, the connecting rope is arranged on a fixed base positioned on the rock stratum of the bottom of a bore; the stratum-following mover is connected with the connecting rope and arranged at a rock stratum to be measured; the transfer pipe is connected with the stratum-following mover and led out of the ground; and a numerical reader is arranged at the outlet of the transfer pipe. When the displacement measurer is used, the bottom fixed base of the displacement measurer is fixed on the rock stratum with zero displacement, the stratum-following mover is fixed on the rock stratum to be measured, which can produce large displacement, indicating liquid is driven by a piston to go down when the stratum-following mover is driven by the displacement of the rock stratum to move relative to the piston, and displayed by the numerical reader, the relative movement amount of the rock stratum can be known. The displacement measurer, which has the advantages of simple structure, safety, reliability and high measurement precision, can warn the water inrush on a working face in order to prevent the occurrence of water disaster, thus providing reliable guarantee for coal mine safety.

Description

A kind of deviation meter that is used for the coal-face base plate
Technical field
The utility model relates to a kind of deviation meter, especially relates to a kind of shift measurement device that is used for coal mine work area base plate position.
Background technology
The displacement of test coal mine work area base plate, to the gushing water mechanism of research work face base plate, the gushing water process of monitoring workplace base plate, prevention work face base plate gushing water has crucial meaning.But because the top board inbreak at any time of workplace, environment is very complicated in the goaf, and particularly reference point is difficult to seek, and test job face floor shifting is also very difficult at present.Some scientific workers adopt boring method to measure, major programme is to survey the lane one of the special driving of workplace base plate, the boring of upwards constructing then, and cork is set up in corresponding layer position in boring, on cork, fasten thin wire, reflect the displacement of workplace base plate by the test iron wire.But this method measuring accuracy is lower, and cork is easy to come off, and need tunnel special roadway arrangement boring at the workplace base plate, and is very inconvenient, at some workplace, even basic just driving survey the condition in lane.
Summary of the invention
The purpose of this utility model is the deficiency that overcomes in the prior art, provide a kind of simple in structure, accurately surveying work face floor shifting plays forewarning function to the workplace gushing water, avoids producing the deviation meter that is used for the coal mine work area base plate of water disaster problem.
The technical solution of the utility model is: it is by the connection cord on the holder that is located at the foot of hole rock stratum, constituting with rock locomotory apparatus and the coupled transfer tube of drawing ground of place, survey rock stratum waitd upon in being located at of linking to each other with connection cord, and the transfer tube exit is provided with reader.
Describedly by top the post bucket of indicator solution is housed with the rock locomotory apparatus, piston that matches with the post bucket and the spring that is located at the piston below constitute; Described connection cord outside is with protection tube; Described protection tube is socketed to form for the more piece metal tube; Described transfer tube is two sleeve pipes of hose overcoat metal tube in being.
The beneficial effects of the utility model are: workplace floor shifting measuring appliance is reliable and stable, obscission can not take place; Because reader becomes hundred times of ground to amplify the strata displacement amount, has improved measuring accuracy greatly; Need not tunnel the special-purpose tunnel of boring separately, save cost, be easy to enlarge measurement range; Observation is convenient, and can Continuous Observation; This device flexibility combines with soundness, is particularly suitable for the goaf complex environment and uses, and is suitable for installing instruments in the workplace complex environment; Installation cost is low, does not need the special-purpose tunnel of constructing separately; Simple in structure, safe and reliable, accurately surveying work face floor shifting plays forewarning function to the workplace gushing water, avoids producing the water disaster problem, for mine safety provides reliable assurance.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
Among the figure: 1-holder, 2-pillar, 3-connection cord, 4-spring support plate, the 5-spring, 6-grouting hole, 7-piston, 8-with the rock locomotory apparatus, 9-post bucket, 10-transfer tube, 11-reader, 12-bottom rock, 13-boring, 14-rock stratum to be measured, 15-air way
Embodiment
The utility model will be further described below in conjunction with the embodiment in the accompanying drawing:
The deviation meter that is used for the coal mine work area base plate of the present utility model is by bottom holder 1, protection tube 2, connection cord 3, spring support plate 4, spring 5, grouting hole 6, piston 7, form with rock locomotory apparatus 8, post bucket 9, transfer tube 10, reader 11.Bottom holder 1 is a right cylinder, is located in the rock 12 of bottom, and high 0.5m, diameter is determined according to the diameter of corresponding boring 13; Connection cord 3 is the bigger wire rope of a tensile strength, and the lower end of connection cord 3 is connected with bottom holder 1, the upper end with link to each other with the piston in the rock locomotory apparatus 87, be located at 14 places, rock stratum to be measured with rock locomotory apparatus 8; Protection tube 2 is equipped with in the outside of connection cord 3, and protection tube is formed by connecting by the more piece metal sleeve, the about 3-4cm of every joint cover pipe range 1.5m diameter.Every joint sleeve pipe is up-thin-low-thick, and the internal diameter of bottom equals the external diameter on top, during connection the bottom is inserted on top and gets final product.Protection tube 2 one ends connect bottom holder 1, and the other end connects spring support plate 4, and spring support plate 4 is connected with spring 5 one ends, and spring 5 other ends are connected with piston 7.With rock locomotory apparatus 8 is cylindrical shape, height 0.5m, diameter is slightly less than the diameter of boring, piston 7, spring 5, spring support plate 4 are equipped with in the inner chamber bottom, piston 7 lower ends are connected with connection cord 3, and piston 7 is with airtight good with rock locomotory apparatus 8 inner chambers, and transfer tube 10 is two sleeve pipes of inner flexible tube overcoat metal tube, one end with link to each other with rock locomotory apparatus 8, the other end links to each other with reader 11; Transfer tube 10 is drawn air way 15, and the reader 11 of its end is a transparent cylinder shape, is carved with master scale; Be full of indicator solution in the annular seal space with rock locomotory apparatus 8 and transfer tube 10, indicator solution has two kinds of colors, with the interphase of the two kinds of liquid colors reading point as reader.
The course of work: before workplace is unminded; cutting intraocular or other position construction drill 13 that is fit to; after boring is finished; bottom holder 1 and connection cord 3 are connected; set up first segment protection tube 2 then; put into boring; block connection cord 3; bottom holder 1 and protection tube 2 are not fallen down; then put the second joint protection tube 2, put into boring again, so install up to protection tube 2; then with spring suppport 4; spring 5; connection cord 3; piston 7; post bucket 9 connects successively; above connector is slowly put into boring, connect transfer tube 10 simultaneously, lay when whole device and put in place; by grouting hole 5 cement injection or chemical grout in boring, whole boring is sealed.And transfer tube 10 drawn in holing, laying along the workplace base plate, and entangle with iron pipe and to be protected, transfer tube 10 extends to observation station, connects reader 11, injects indicator solution, makes the interphase of two kinds of colors of indicator solution be positioned at the null position of reader 11.After working face mining, the rock stratum of workplace base plate can move upward under the effect of the effect of groundwater pressure and rock pressure [in mine, when rock stratum 14 to be measured moves, can drive and also move upward with the locomotorial post bucket 9 of rock, at this moment piston 7 is owing to link to each other and static (or amount of exercise is very little) with bottom holder 1, relative displacement will take place in piston 7 and post bucket 9, indicator solution in the post bucket 9 also will move downward, owing to be connected with reader 11 by transfer tube 10 with rock locomotory apparatus 8, so the indicator solution in the reader 11 also can descend, by drop-out value of reading indicator solution and the displacement that just can obtain rock stratum 14 to be measured divided by the multiple of area.

Claims (5)

1, a kind of deviation meter that is used for the coal-face base plate, it is characterized in that: it is by the connection cord (3) on the holder that is located at foot of hole rock stratum (12) (1), being located at of linking to each other with connection cord (3) wait upon survey that rock stratum (13) locates with rock locomotory apparatus (8) and the coupled transfer tube of drawing ground (10) formation, be provided with Grouting Pipe (6) with rock locomotory apparatus (8), transfer tube (10) exit is provided with reader (11).
2, the deviation meter that is used for the coal mine work area base plate according to claim 1, it is characterized in that: describedly by top the post bucket (9) of colored liquid is housed with rock locomotory apparatus (8), piston (7) that matches with post bucket (9) and the spring (5) that is located at piston (7) below constitute.
3, the deviation meter that is used for the coal mine work area base plate according to claim 1 is characterized in that: described connection cord (3) outside is with protection tube (2).
4, the deviation meter that is used for the coal mine work area base plate according to claim 3 is characterized in that: described protection tube (2) is socketed to form for the more piece metal tube.
5, the deviation meter that is used for the coal mine work area base plate according to claim 1 is characterized in that: described transfer tube (10) is two sleeve pipes of hose overcoat metal tube in being.
CNU2008200384228U 2008-06-20 2008-06-20 Displacement measurement machine for working face baseboard CN201233230Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200384228U CN201233230Y (en) 2008-06-20 2008-06-20 Displacement measurement machine for working face baseboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200384228U CN201233230Y (en) 2008-06-20 2008-06-20 Displacement measurement machine for working face baseboard

Publications (1)

Publication Number Publication Date
CN201233230Y true CN201233230Y (en) 2009-05-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008200384228U CN201233230Y (en) 2008-06-20 2008-06-20 Displacement measurement machine for working face baseboard

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CN (1) CN201233230Y (en)

Cited By (10)

* 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
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 A kind of 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 kind of hard base object model fragmentation parameters in-situ measurement method of stope

Cited By (13)

* 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 A kind of 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 kind of hard base object model fragmentation parameters in-situ measurement method of stope
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

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Granted publication date: 20090506