CN101929845B - Roadway surrounding rock separation layer displacement monitor - Google Patents
Roadway surrounding rock separation layer displacement monitor Download PDFInfo
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- CN101929845B CN101929845B CN201010261111XA CN201010261111A CN101929845B CN 101929845 B CN101929845 B CN 101929845B CN 201010261111X A CN201010261111X A CN 201010261111XA CN 201010261111 A CN201010261111 A CN 201010261111A CN 101929845 B CN101929845 B CN 101929845B
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Abstract
The invention provides a roadway surrounding rock separation layer displacement monitor, which comprises a shell, a preventer plate, two sets of separation layer displacement transmission mechanisms, a separation layer displacement sensing unit and an information acquisition processing unit, wherein the separation layer displacement transmission mechanism comprises a displacement bracing wire, a transmission shaft, a driving wheel, a driving band, a take-up reel, a roll-up spring and a lock device; the separation layer displacement sensing unit comprises a support circuit board, a T platform, a grating and a photoelectric coupler; the preventer plate is provided with a leakage hole; and one end of the displacement bracing wire is fixed in the stratum and the other end thereof is clamped inside a T slot of the take-up reel. The monitor of the invention has the beneficial effects of having simple manufacturing technology and structure, convenient operation, improving displacement inspection accuracy, being applied to construction processes of mine exploitation, building, water conservancy, roads and the like, effectively and automatically monitoring surrounding rock mass, roadway roof and floor, dam bodies, side slopes and the like in real time, and timely eliminating potential safety hazard of production; and the monitor of the invention can provide basis for the roadway and the support rock mass design.
Description
Technical field
The present invention relates to measurement mechanism, particularly a kind of roadway surrounding rock separation layer displacement monitor.
Background technology
At present, the sensor and the monitor kind that detect displacement in the engineering are more, differ from one another, its scope of application is respectively arranged, but, to building, water conservancy, road, rock mass in the exploitation in mine and the underground works, the automatic displace monitor of inside, rock stratum, tunnel and the instrument of forecast are rare, especially to high precision, the real-time automatic monitoring of big displacement almost is blank, for example, the impulsion pressure that the sudden change of roadway surrounding rock internal pressure causes in coal mining, digging is to top, tunnel (end) plate during the coal back production, rock stratum internal displacements such as coal column change the roof fall that causes, end distension, the security incident that rock burst etc. cause.So far still lack reliably, can real-time automatic monitoring and the instrument of forecast, especially in coal mining, still lack and realize on the ground continual real-time automatic monitoring of underworkings displacement and forecast.
In authorized utility model patent (patent No. is ZL 200820123806.X) " grid disc type strata displacement detector ", utilize line of pull to affect displacement wheel, driving the grating dish rotates, grating dish rotation information that will be corresponding with displacement by opto-electronic conversion is converted to electric signal, change thereby detect small strata displacement fast and accurately, can realize high precision, big displacement detecting.But, the strata displacement monitor that the above-mentioned patent of foundation is made, weak point below existing: two sheet gration dishes are installed on an axis in housing, need in housing, draw upper and lower two sections backguys, to transmit displacement and to tighten up backguy, manufacture craft and structure are comparatively complicated, simultaneously because the yielding precision that influences displacement detecting of soft drawn wire.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective, a kind of simple in structure, easy to operate, roadway surrounding rock separation layer displacement monitor that the displacement detecting precision is high is provided.
For achieving the above object, roadway surrounding rock separation layer displacement monitor provided by the invention, comprise housing and protective shield, described protective shield is installed in the below of described housing, described housing is equipped with the bed separation displacement transmission mechanism, bed separation displacement sensing unit and information acquisition processing unit, described bed separation displacement transmission mechanism is delivered to described bed separation displacement sensing unit with the rock bed separation displacement, the output signal of described bed separation displacement sensing unit is connected to described information acquisition processing unit, two described bed separation displacement transmission mechanisms of cover and bed separation displacement sensing unit are installed symmetrically and side by side, its two central axis left sides, the right side is parallel to each other, wherein:
The described bed separation displacement transmission mechanism of every cover comprises the displacement backguy, transmission shaft, power wheel, belt tensioner, take-up reel, wind spring and locking device, the lower wall of described housing is equipped with back-up block, an end of described transmission shaft is positioned at described housing, stretch out from the sidewall of described back-up block and described housing another end of described transmission shaft, power wheel, take-up reel and locking device are installed on the described transmission shaft, power wheel and take-up reel are by mutual fastening the becoming one of locking device, described wind spring and described power wheel are placed side by side, enwinding spring axis is installed on the sidewall of wind spring cover, the wind spring cover is installed on the protective shield of described outside, the end of described belt tensioner is provided with the driving-belt dop and is installed on the described power wheel, the other end of described belt tensioner is connected with described wind spring, described protective shield is provided with leaking hole, described displacement backguy one end is fixed in the rock stratum, and the other end is provided with the line of pull dop and passes in the T type draw-in groove that described leaking hole is installed on described take-up reel;
Described bed separation displacement sensing unit comprises support circuit plate, T stage, grating dish and photoelectrical coupler, described T stage and photoelectrical coupler are installed in respectively on the described support circuit plate, described grating dish is installed on the described transmission shaft that is positioned at described T stage upper end, and described grating dish grid line partly is inserted in described photoelectrical coupler groove the inside;
Described information acquisition processing unit is installed in the described housing by another circuit board.
Roadway surrounding rock separation layer displacement monitor of the present invention, wherein said bed separation displacement transmission mechanism also comprises the indication tape measure, belt tensioner is superimposed and be wrapped in jointly on the described wind spring with the indication tape measure, described indication tape measure is by described belt tensioner and described power wheel and the interlock of described grating dish, described bed separation displacement transmission mechanism is provided with outer cover, one end of described indication tape measure also is connected with described wind spring, and the other end stretches out from the top of described outer cover and is provided with displacement scale cuing scale.
Roadway surrounding rock separation layer displacement monitor of the present invention, wherein said grating dish and take-up reel external diameter ratio are 2: 1.
Roadway surrounding rock separation layer displacement monitor of the present invention, wherein said leaking hole place is equipped with the guide-localization pipe, and described displacement backguy is by passing in the described positioning pipe.
Roadway surrounding rock separation layer displacement monitor of the present invention, wherein said housing is equipped with the RS485 communication interface, described information acquisition processing unit comprises communication module, power module, single-chip microcomputer and wireless module, described single-chip microcomputer is connected with data center with the RS485 communication interface by described communication module, and links to each other with telepilot is wireless by described wireless module.
Roadway surrounding rock separation layer displacement monitor of the present invention, wherein said housing top is equipped with LCD, and described LCD links to each other with described single-chip microcomputer.
For achieving the above object, another kind of roadway surrounding rock separation layer displacement monitor provided by the invention, comprise housing and protective shield, described protective shield is installed in the below of described housing, described housing is equipped with the bed separation displacement transmission mechanism, bed separation displacement sensing unit and information acquisition processing unit, described bed separation displacement transmission mechanism is delivered to described bed separation displacement sensing unit with the rock stratum bed separation displacement, the output signal of described bed separation displacement sensing unit is connected to described information acquisition processing unit, two described bed separation displacement transmission mechanisms of cover and bed separation displacement sensing unit are installed symmetrically and side by side, its two central axis left sides, the right side is parallel to each other, wherein:
The described bed separation displacement transmission mechanism of every cover comprises the displacement backguy, transmission shaft, power wheel, take-up reel, wind spring, division board and locking device, the lower wall of described housing is equipped with back-up block, an end of described transmission shaft is positioned at described housing, stretch out from the sidewall of described back-up block and described housing another end of described transmission shaft, described wind spring, division board, power wheel, take-up reel and locking device are installed in the extension on the described transmission shaft, described power wheel and take-up reel are by mutual fastening the becoming one of locking device, described wind spring one end is fixed on the described transmission shaft, the other end of described wind spring is fixed on the wall of wind spring cover, the wind spring cover is installed on the protective shield of described outside, described protective shield is provided with leaking hole, described displacement backguy one end is fixed in the rock stratum, and the other end is provided with the line of pull dop and passes in the T type draw-in groove that described leaking hole is installed on described take-up reel;
The described bed separation displacement sensing unit of every cover comprises support circuit plate, T stage, grating dish and photoelectrical coupler, described T stage and photoelectrical coupler are installed in respectively on the described support circuit plate, described grating dish is installed on the described transmission shaft that is positioned at described T stage upper end, and the grid line of described grating dish partly is inserted in described photoelectrical coupler groove the inside;
Described information acquisition processing unit is installed in the described housing by another circuit board.
Roadway surrounding rock separation layer displacement monitor of the present invention, wherein said bed separation displacement transmission mechanism also comprises the indication tape measure, the end of described indication tape measure is provided with the cuing scale dop and is installed on the described power wheel, described bed separation displacement transmission mechanism is provided with outer cover, and the other end of described indication tape measure stretches out from the top of described outer cover and is provided with displacement scale cuing scale.
The advantage and the good effect of roadway surrounding rock separation layer displacement monitor of the present invention are: owing to be provided with in housing two cover bed separation displacement transmission mechanisms are installed symmetrically and side by side, bed separation displacement sensing unit and displacement transducer, its two central axis left sides, the right side is parallel to each other, transmission shaft by parallel installation, power wheel, take-up reel and displacement backguy are rigidly connected, its manufacture craft and structure are more simple, more convenient to operate, both be applicable to little displacement high-acruracy survey, also be applicable to the high-precision automatic monitoring of big displacement, and overcome and install on an axis in the traditional design and need draw, following two sections backguys, to transmit displacement and to tighten up the defective of backguy, effectively avoided the yielding precision that influences displacement detecting of soft drawn wire, and can improve the displacement detecting precision by changing grating dish and take-up reel external diameter ratio, the present invention can be widely used in mining, building, water conservancy, in the work progresss such as road, to the country rock body, the tunnel roof and floor, the capable auto-real-time monitoring effectively of dam body and side slope equipotential shift-in, in time eliminate production safety hidden danger, also can be the tunnel and supporting the rock mass design provides foundation.
Be elaborated with reference to accompanying drawing below in conjunction with embodiment.
Description of drawings
Fig. 1 is that the master of roadway surrounding rock separation layer displacement monitor embodiment one of the present invention looks cut-open view;
Fig. 2 is the vertical view cutaway drawing of roadway surrounding rock separation layer displacement monitor embodiment one of the present invention;
Fig. 3 is the vertical view of roadway surrounding rock separation layer displacement monitor embodiment one of the present invention;
Fig. 4 is that the master of roadway surrounding rock separation layer displacement monitor embodiment two of the present invention looks cut-open view;
Fig. 5 is the vertical view cutaway drawing of roadway surrounding rock separation layer displacement monitor embodiment two of the present invention.
Embodiment
Embodiment one
See figures.1.and.2, roadway surrounding rock separation layer displacement monitor of the present invention comprises housing 15 and protective shield 13, and protective shield 13 is installed in the below of housing 15.Housing 15 is equipped with two cover bed separation displacement transmission mechanisms, bed separation displacement sensing unit and an information acquisition processing unit.Two cover bed separation displacement transmission mechanisms and bed separation displacement sensing unit are installed its two left and right being parallel to each other of central axis symmetrically and side by side.The information acquisition processing unit is installed in housing 15 by circuit board 26.The bed separation displacement transmission mechanism is delivered to the bed separation displacement sensing unit with the rock bed separation displacement, and the output signal of bed separation displacement sensing unit is connected to the information acquisition processing unit.
Every cover bed separation displacement transmission mechanism comprises displacement backguy 1, transmission shaft 20, power wheel 8, driving-belt 9, take-up reel 4, wind spring 10, indication tape measure 11 and locking device 3.Wherein, power wheel 8, driving-belt 9 and wind spring 10 constitute tightening system.
The lower wall of housing 15 is equipped with back-up block 21, an end of transmission shaft 20 is positioned at housing 15, another end self-supporting piece 21 of transmission shaft 20 and the sidewall of housing 15 stretch out, power wheel 8, take-up reel 4 and locking device 3 are installed on the transmission shaft 20, and power wheel 8 and take-up reel tighten together mutually by locking device 3.Hexagonal lock-screw and set nut in locking device 3 adopts in the present invention.Wind spring 10 is placed side by side with power wheel 8, enwinding spring axis is installed on the sidewall of wind spring cover, the wind spring cover is installed on the protective shield 13 of housing 15 outsides, the end of belt tensioner 9 is provided with belt tensioner dop 7 and is installed on the power wheel 8 by belt tensioner dop 7, the other end of belt tensioner 9 is connected with wind spring 10, and power wheel 8, wind spring 10 are by belt tensioner 9 interlocks.Belt tensioner 9 and indication tape measure 11 are superimposed and be wrapped in jointly on the wind spring 10, and indication tape measure 11 is also by belt tensioner 9 interlocks.The bed separation displacement transmission mechanism is provided with outer cover 12, and an end of indication tape measure 11 also is connected with wind spring 10, and the other end stretches out from the top of outer cover 12 and is provided with displacement scale cuing scale 6.
Every cover bed separation displacement sensing unit comprises support circuit plate 17, grating dish 18 and photoelectrical coupler 16.Support circuit plate 17 is installed in the bottom of housing 15 by screw.T stage 19 and photoelectrical coupler 16 are vertically installed on the support circuit plate 17 respectively.Grating dish 18 adopts metal gate dish or colloid grid dish.Grating dish 18 is installed on the transmission shaft 20 that is positioned at T stage 19 upper ends, and grating dish 18 grid lines partly are inserted in photoelectrical coupler 16 grooves the inside.Grating dish 18 is 2: 1 with take-up reel 8 external diameter ratios, usually can be an adjustment in 1: 1 to 10: 1 to obtain measuring accuracy preferably.Photoelectrical coupler 16 is converted to electric signal by opto-electronic conversion with displacement information, and its output terminal is connected to the information acquisition processing unit.
In conjunction with Fig. 3, housing 15 rear sides are equipped with RS485 communication interface 14, and housing 15 tops are equipped with LCD 30.The information acquisition processing unit comprises communication module 25, power module 27, single-chip microcomputer 28 and wireless module 29.Communication module 25, power module 27, LCD 30 and wireless module 29 link to each other with single-chip microcomputer 28 respectively.Single-chip microcomputer 28 is connected with data center with RS485 communication interface 14 by communication module 25, and links to each other with telepilot is wireless by described wireless module 29.
Embodiment two
With reference to Fig. 4 and Fig. 5, roadway surrounding rock separation layer displacement monitor of the present invention, comprise housing 15 ' and protective shield 13 ', protective shield 13 ' be installed in housing 15 ' the below.Housing 15 ' being equipped with two overlaps bed separation displacement transmission mechanisms, bed separation displacement sensing unit and an information acquisition processing unit.Two cover bed separation displacement transmission mechanisms and bed separation displacement sensing unit are installed its two left and right being parallel to each other of central axis symmetrically and side by side.The information acquisition processing unit by circuit board 26 ' be installed in housing 15 ' in.The bed separation displacement transmission mechanism is delivered to the bed separation displacement sensing unit with the rock bed separation displacement, and the output signal of bed separation displacement sensing unit is connected to the information acquisition processing unit.
Every cover bed separation displacement transmission mechanism comprise displacement backguy 1 ', transmission shaft 20 ', power wheel 8 ', take-up reel 4 ', wind spring 10 ', division board 34 ', indication tape measure 11 ' and locking device 3 ', housing 15 ' lower wall be equipped with back-up block 21 ', transmission shaft 20 ' an end be positioned at housing 15 ', transmission shaft 20 ' another end self-supporting piece 21 ' and housing 15 ' sidewall stretch out, wind spring 10 ', division board 34 ', power wheel 8 ', take-up reel 4 ' and locking device 3 ' be installed in transmission shaft 20 ' on extension, power wheel 8 ' and take-up reel 4 ' by locking device 3 ' mutual fastening becoming one, wind spring 10 ' one ends be fixed on transmission shaft 20 ' on, wind spring 10 ' the other end be fixed on the wall of wind spring cover, the wind spring cover be installed in the protective shield 13 of described housing 15 ' outside ' on, protective shield 13 ' be provided with leaking hole 32 ', leaking hole 32 ' locate to be equipped with guide-localization pipe 33 ', displacement backguy 1 ' by positioning pipe 33 ' in pass.Displacement backguy 1 ' one end is fixed in the rock stratum, the other end be provided with line of pull dop 5 ' and pass leaking hole 32 ' be installed on take-up reel 4 ' T type draw-in groove in.
Every cover bed separation displacement sensing unit comprise support circuit plate 17 ', T stage 19 ', grating dish 18 ' and photoelectrical coupler 16 ', T stage 19 ' and photoelectrical coupler 16 ' be installed in respectively support circuit plate 17 ' on, grating dish 18 ' be installed in be positioned at the transmission shaft 20 of T stage upper end ' on, described grating dish 18 ' grid line partly be inserted in photoelectrical coupler 16 ' groove the inside.The information acquisition processing unit by another circuit board 26 ' be installed in housing 15 ' in.
The indication tape measure 11 ' the end be provided with cuing scale dop 35 ' and be installed on power wheel 8 ' on, the bed separation displacement transmission mechanism be provided with outer cover 12 ', the indication tape measure 11 ' the other end from outer cover 12 ' the top stretch out and be provided with displacement scale cuing scale 6 '.
Other structures of embodiment two are identical with embodiment one.Housing 15 ' be equipped with RS485 communication interface 14 ', the information acquisition processing unit comprise communication module 25 ', power module 27 ', single-chip microcomputer 28 ' and wireless module 29 ', single-chip microcomputer 28 ' by communication module 25 ' with RS485 communication interface 14 ' be connected with data center, and by wireless module 29 ' link to each other with telepilot is wireless.
The following describes the course of work of roadway surrounding rock separation layer displacement monitor embodiment one of the present invention.
Roadway surrounding rock separation layer displacement monitor is fixed on bed separation displacement to be measured place, the tunnel crag, the boring in advance of this place, drilling depth is decided according to the rock stratum to be measured degree of depth.Line of pull 1 one ends on the roadway surrounding rock separation layer displacement monitor are fixed in the T type draw-in groove of take-up reel 4 by line of pull dop 5, the other end are fixed on the place, rock stratum of bed separation displacement to be measured in the rock body drilled by hangnail type ratchet.Line of pull 1 is wound with several weeks on take-up reel 4, when bed separation displacement took place in the survey rock stratum, monitor produced along the outside displacement of crag normal with roadway surrounding rock, and line of pull 1 is subjected to the pulling force effect, drive take-up reel 4 and rotate, promptly make take-up reel 4 be in " unwrapping wire " process.Because take-up reel 4 and power wheel 8 are by interior hexagonal lock-screw 3 and set nut 22 fastening becoming one, in take-up reel 4 " unwrapping wire " rotation process, power wheel 8 rotates thereupon synchronously.Simultaneously, power wheel 8 and grating dish 18 rotate synchronously by transmission shaft 20.So, the bed separation displacement information of the rock stratum of surveying has finally converted the rotation information of grating dish 18 to and has write down and be sent to the information acquisition processing unit by photoelectrical coupler 16.Rely on single-chip microcomputer 28 and communication module 25 can carry out information analysis and the transmission of past ground computing center.When power wheel 8 rotated, it drove indication tape measure 11 by belt tensioner 9 and rotates, and makes cuing scale 6 overhanging, thereby shows the rock stratum bed separation displacement value of surveying.Meanwhile, belt tensioner 9 drives wind springs 10 and tightens up, under the effect of wind spring 10 tightening forces, mechanism all is in stressed recovery state, has guaranteed that line of pull is in tight state all the time, has reduced that extraneous vibration disturbs and the measuring error that causes.
The following describes the course of work of roadway surrounding rock separation layer displacement monitor embodiment two of the present invention.
Roadway surrounding rock separation layer displacement monitor is fixed on bed separation displacement to be measured place, the tunnel crag, the boring in advance of this place, drilling depth is decided according to the rock stratum to be measured degree of depth.Line of pull 1 ' one end on the roadway surrounding rock separation layer displacement monitor by line of pull dop 5 ' be fixed in take-up reel 4 ' T type draw-in groove in, the other end is fixed on the place, rock stratum of bed separation displacement to be measured in the rock body drilled by hangnail type ratchet.Line of pull 1 ' take-up reel 4 ' on be wound with several weeks, when bed separation displacement took place in the survey rock stratum, monitor produced along the outside displacement of crag normal with roadway surrounding rock, line of pull 1 ' be subjected to pulling force effect, drive take-up reel 4 ' rotation, promptly make take-up reel 4 ' be in " unwrapping wire " process.Because take-up reel 4 ' with power wheel 8 ' by locking device 3 ' fastening becoming one, so in take-up reel 4 ' " unwrapping wire " rotation process, power wheel 8 ' rotation synchronously thereupon.Simultaneously, power wheel 8 ' and grating dish 18 ' by transmission shaft 20 ' rotate synchronously.So, the bed separation displacement information of the rock stratum of surveying finally converted to grating dish 18 ' rotation information and by photoelectrical coupler 16 ' write down and be sent to information acquisition processing unit.Dependence single-chip microcomputer 28 ' and communication module 25 ' can carry out information analysis and the transmission of past ground computing center.
Meanwhile, transmission shaft 20 ' drive wind spring 10 ' together is with take-up reel 4 ' rotation synchronously, make wind spring 10 ' further tighten up, under the effect of wind spring 10 ' tightening force, all be in stressed recovery state with its link gear, guaranteed that line of pull is in tight state all the time, reduced that extraneous vibration disturbs and the measuring error that causes.When power wheel 8 ' rotation, the indication tape measure 11 that power wheel 8 ' go up twines ' make cuing scale 6 ' overhanging, thus show the rock stratum bed separation displacement value of surveying.
Roadway surrounding rock separation layer displacement monitor of the present invention is formed a complete system by several strata displacement monitors, communication host, RS485 bus, direct current supply line and a telepilot when reality is used.Communication host connects the RS485 bus, and each strata displacement monitor all hangs on the bus.Connect by wireless mode between telepilot and the strata displacement monitor, in a system, can use a plurality of telepilots.Strata displacement monitor is got in touch through RS485 bus and communication host foundation, communication host is set up by voltage-frequency modular converter and underground communication substation and is got in touch, the underground communication substation is transferred to ground monitoring master station again, ground monitoring master station is converted to frequency signal strata displacement information again, realizes by the remote real-time automatic monitoring butt entry roof strata displacement of ground master station.Telepilot is used for on-the-spot poll bit shifting parameter, when needs poll bit shifting parameter, near strata displacement monitor, open telepilot, can monitor nearest strata displacement monitor, take out the displacement data that this strata displacement monitor monitors in time, general telepilot uses for the down-hole field staff.
The new-type roadway surrounding rock separation layer displacement monitor of the present invention can be installed on top, tunnel, the base plate, the country rock surface, line of pull is fixed on the rock stratum to be measured by boring, when strata displacement takes place when, the displacement electric signal by the information acquisition processing unit processes after, through visualization processing, can demonstrate back and country rock strata displacement Changing Pattern figure again.Roadway surrounding rock separation layer displacement monitor of the present invention both can have been monitored the absolute displacement amount of rock stratum, but also displacement monitoring rate of change is realized underworkings top board and the remote real-time automatic monitoring of country rock body strata displacement.When displacement or rate of displacement surpassed safety margin, system can implement report to the police automatically to underworkings from ground monitoring master station, avoids the security incident that causes because of roof collapse, impulsion pressure.
Above-described embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that the common engineering technical personnel in this area make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (10)
1. roadway surrounding rock separation layer displacement monitor, comprise housing (15) and protective shield (13), described protective shield (13) is installed in the below of described housing (15), described housing (15) is equipped with the bed separation displacement transmission mechanism, bed separation displacement sensing unit and information acquisition processing unit, described bed separation displacement transmission mechanism is delivered to described bed separation displacement sensing unit with the rock stratum bed separation displacement, the output signal of described bed separation displacement sensing unit is connected to described information acquisition processing unit, it is characterized in that: two described bed separation displacement transmission mechanisms of cover and bed separation displacement sensing unit are installed symmetrically and side by side, its two central axis left sides, the right side is parallel to each other, wherein:
The described bed separation displacement transmission mechanism of every cover comprises displacement backguy (1), transmission shaft (20), power wheel (8), belt tensioner (9), take-up reel (4), wind spring (10) and locking device (3), the lower wall of described housing (15) is equipped with back-up block (21), an end of described transmission shaft (20) is positioned at described housing (15), stretch out from the sidewall of described back-up block (21) and described housing (15) another end of described transmission shaft (20), described power wheel (8), take-up reel (4) and locking device (3) are installed on the described transmission shaft (20), described power wheel (8) and take-up reel (4) are by mutual fastening the becoming one of locking device (3), described wind spring (10) and described power wheel (8) are side by side, enwinding spring axis is installed on the sidewall of wind spring cover, described wind spring cover is installed on the outside protective shield (13) of described housing (15), the end of described belt tensioner (9) is provided with driving-belt dop (7) and is installed on the described power wheel (8), the other end of described belt tensioner (9) is connected with described wind spring (10), described power wheel (8) links by described belt tensioner (9) with wind spring (10), described protective shield (13) is provided with leaking hole (32), described displacement backguy (1) one end is fixed in the rock stratum, and the other end is provided with line of pull dop (5) and passes in the T type draw-in groove that described leaking hole (32) is installed on described take-up reel (4);
The described bed separation displacement sensing unit of every cover comprises support circuit plate (17), T stage (19), grating dish (18) and photoelectrical coupler (16), described T stage (19) and photoelectrical coupler (16) are installed in respectively on the described support circuit plate (17), described grating dish (18) is installed on the described transmission shaft 20 that is positioned at described T stage upper end, and the grid line of described grating dish (18) partly is inserted in described photoelectrical coupler (16) groove the inside;
Described information acquisition processing unit is installed in the described housing (15) by another circuit board (26).
2. roadway surrounding rock separation layer displacement monitor according to claim 1, it is characterized in that: wherein said bed separation displacement transmission mechanism also comprises indication tape measure (11), belt tensioner (9) is superimposed and be wrapped in jointly on the described wind spring (10) with indication tape measure (11), described indication tape measure (11) is by described belt tensioner (9) and described power wheel (8) and described grating dish (18) interlock, described bed separation displacement transmission mechanism is provided with outer cover (12), one end of described indication tape measure (11) also is connected with described wind spring (10), and the other end stretches out from the top of described outer cover (12) and is provided with displacement scale cuing scale (6).
3. roadway surrounding rock separation layer displacement monitor according to claim 1 and 2 is characterized in that: wherein said grating dish (18) is 2: 1 with described take-up reel (8) external diameter ratio.
4. roadway surrounding rock separation layer displacement monitor according to claim 3 is characterized in that: wherein said leaking hole (32) locates to be equipped with guide-localization pipe (33), and described displacement backguy (1) is by passing in the described positioning pipe (33).
5. roadway surrounding rock separation layer displacement monitor according to claim 4, it is characterized in that: wherein said housing (15) is equipped with RS485 communication interface (14), described information acquisition processing unit comprises communication module (25), power module (27), single-chip microcomputer (28) and wireless module (29), described single-chip microcomputer (28) is connected with data center with RS485 communication interface (14) by described communication module (25), and links to each other with telepilot is wireless by described wireless module (29).
6. roadway surrounding rock separation layer displacement monitor according to claim 5 is characterized in that: wherein said housing (15) top is equipped with LCD (30), and described LCD (30) links to each other with described single-chip microcomputer (28).
7. roadway surrounding rock separation layer displacement monitor, comprise housing (15 ') and protective shield (13 '), described protective shield (13 ') is installed in the below of described housing (15 '), described housing (15 ') is equipped with the bed separation displacement transmission mechanism, bed separation displacement sensing unit and information acquisition processing unit, described bed separation displacement transmission mechanism is delivered to described bed separation displacement sensing unit with the rock stratum bed separation displacement, the output signal of described bed separation displacement sensing unit is connected to described information acquisition processing unit, it is characterized in that: two described bed separation displacement transmission mechanisms of cover and bed separation displacement sensing unit are installed symmetrically and side by side, its two central axis left sides, the right side is parallel to each other, wherein:
The described bed separation displacement transmission mechanism of every cover comprises displacement backguy (1 '), transmission shaft (20 '), power wheel (8 '), take-up reel (4 '), wind spring (10 '), division board (34 ') and locking device (3 '), the lower wall of described housing (15 ') is equipped with back-up block (21 '), an end of described transmission shaft (20 ') is positioned at described housing (15 '), stretch out from the sidewall of described back-up block (21 ') and described housing (15 ') another end of described transmission shaft (20 '), described wind spring (10 '), division board (34 '), power wheel (8 '), take-up reel (4 ') and locking device (3 ') are installed in the extension on the described transmission shaft (20 '), described power wheel (8 ') and take-up reel (4 ') are by mutual fastening the becoming one of locking device (3 '), described wind spring (10 ') end is fixed on the described transmission shaft (20 '), the other end of described wind spring (10 ') is fixed on the wall of wind spring cover, described wind spring cover is installed on the outside protective shield (13 ') of described housing (15 '), described protective shield (13 ') is provided with leaking hole (32 '), described displacement backguy (1 ') end is fixed in the rock stratum, and the other end is provided with line of pull dop (5 ') and passes in the T type draw-in groove that described leaking hole (32 ') is installed on described take-up reel (4 ');
The described bed separation displacement sensing unit of every cover comprises support circuit plate (17 '), T stage (19 '), grating dish (18 ') and photoelectrical coupler (16 '), described T stage (19 ') and photoelectrical coupler (16 ') are installed in respectively on the described support circuit plate (17 '), described grating dish (18 ') is installed on the described transmission shaft (20 ') that is positioned at described T stage upper end, and the grid line of described grating dish (18 ') partly is inserted in described photoelectrical coupler (16 ') groove the inside;
Described information acquisition processing unit is installed in the described housing (15 ') by another circuit board (26 ').
8. roadway surrounding rock separation layer displacement monitor according to claim 7, it is characterized in that: wherein said bed separation displacement transmission mechanism also comprises indication tape measure (11 '), the end of described indication tape measure (11 ') is provided with cuing scale dop (35 ') and is installed on the described power wheel (8 '), described bed separation displacement transmission mechanism is provided with outer cover (12 '), and the other end of described indication tape measure (11 ') stretches out from the top of described outer cover (12 ') and is provided with displacement scale cuing scale (6 ').
9. according to claim 7 or 8 described roadway surrounding rock separation layer displacement monitors, it is characterized in that: wherein said leaking hole (32 ') locates to be equipped with guide-localization pipe (33 '), and described displacement backguy (1 ') is by passing in the described positioning pipe (33 ').
10. roadway surrounding rock separation layer displacement monitor according to claim 9, it is characterized in that: wherein said housing (15 ') is equipped with the RS485 communication and connects (14 '), described information acquisition processing unit comprises communication module (25 '), power module (27 '), single-chip microcomputer (28 ') and wireless module (29 '), described single-chip microcomputer (28 ') is connected with data center with RS485 communication interface (14 ') by described communication module (25 '), and links to each other with telepilot is wireless by described wireless module (29 ').
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010261111XA CN101929845B (en) | 2010-08-24 | 2010-08-24 | Roadway surrounding rock separation layer displacement monitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010261111XA CN101929845B (en) | 2010-08-24 | 2010-08-24 | Roadway surrounding rock separation layer displacement monitor |
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| CN101929845B true CN101929845B (en) | 2011-11-23 |
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| CN102221334B (en) * | 2011-04-15 | 2013-06-26 | 中铁隧道集团有限公司 | Method used in tunnel engineering for exactly measuring internal displacement of wall rock |
| CN102506786B (en) * | 2011-10-19 | 2014-04-02 | 中联重科股份有限公司 | Stay wire displacement measurement device |
| CN103528530B (en) * | 2013-10-25 | 2015-10-14 | 中国矿业大学 | A kind of mining optical fiber grating roof abscission layer monitoring device and monitoring method |
| CN109163688B (en) * | 2018-08-17 | 2023-11-24 | 山东思科赛德矿业安全工程有限公司 | Three-base-point roof separation layer monitor |
| CN109612366A (en) * | 2018-11-21 | 2019-04-12 | 山东里能鲁西矿业有限公司 | A kind of novel recyclable roof separation indicator |
| CN116202407B (en) * | 2023-04-27 | 2023-08-04 | 泰安泰烁岩层控制科技有限公司 | Implementation method of high-precision multipoint roof separation instrument |
| CN116295190B (en) * | 2023-05-17 | 2023-08-04 | 中矿众合(河北)矿山科技有限公司 | Surrounding rock moving real-time observation sensor |
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| FR2434366A1 (en) * | 1978-08-25 | 1980-03-21 | Coyne & Bellier | DEVICE FOR THE ACCURATE MEASUREMENT OF DISPLACEMENTS OR DEFORMATIONS |
| CN100485317C (en) * | 2006-03-09 | 2009-05-06 | 安里千 | Bed separation displacement monitor |
| CN201285287Y (en) * | 2008-11-14 | 2009-08-05 | 安里千 | Grid disc type rock formation displacement monitoring instrument |
| CN201402114Y (en) * | 2009-03-31 | 2010-02-10 | 山西潞安环保能源开发股份有限公司 | Displacement measuring line tensioning mechanism of rock stratum displacement monitor |
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