CN109855556A - A kind of passive visual roof delamination sensor of mining wide range fiber grating - Google Patents
A kind of passive visual roof delamination sensor of mining wide range fiber grating Download PDFInfo
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- CN109855556A CN109855556A CN201910048688.3A CN201910048688A CN109855556A CN 109855556 A CN109855556 A CN 109855556A CN 201910048688 A CN201910048688 A CN 201910048688A CN 109855556 A CN109855556 A CN 109855556A
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- 230000007246 mechanism Effects 0.000 claims abstract description 30
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Abstract
A kind of passive visual roof delamination sensor of mining wide range fiber grating, including shell, wirerope idler wheel mechanism, visualization pointer transmission mechanism；It is characterized by: the visualization pointer transmission mechanism includes the third gear and the 4th gear being fixed in the first rotary shaft, the first rotary shaft, third gear and the 4th gear interference are connected as whole and rotatable, second gear engagement third gear；4th gear engages the 5th gear, and the 5th gear and the 6th gear are fixed in the second rotary shaft, and the 5th gear, the 6th gear and the second rotary shaft interference are connected as entirety and are able to rotate；6th gear engages the 7th gear, and the 7th gear is fixed in third rotary shaft；One end of third rotary shaft is connect with indicator interference.Structure of the invention and manufacturing process is simple, failure rate is low, the amount of tension of wirerope is corresponding with pointer variable quantity, it solves the problems, such as the visualization display of underground, also solves the engineering installation and recycling problem of sensor wirerope.
Description
Technical field
It is passive visual that the present invention relates to technical field of coal mine safety detection more particularly to a kind of mining wide range fiber grating
Roof delamination sensor.
Background technique
In recent years, with the high speed development of national economy, the growth of demand year by year at double to coal, as coal mine is efficient
Exploitation, the geological environment of pit mining also become increasingly complex, and the mine of deep mining is more and more, cause production practice complicated
Change, roof control difficulty increases；During being monitored to mine pressure, due to various objective and subjective, and make
Sink at stope, the accidents such as local roof collapse constantly occur, seriously affected mine production, transport and miner people
Body safety.Relevant information shows that roof accident is the accident of Coal Transportation most serious, so the prevention for doing roof accident well is mesh
A highly important project in preceding coal production technical management and management of safe operation.
Traditional mine pressure detection device is incomplete, and poor anti jamming capability, sensor technology falls behind, can not local dynamic in real time
It has been shown that, with the deep mining of mine, existing transducer range is unable to satisfy live actual needs, fiber-optic grating sensor data
Can not the variable quantity etc. of local real-time display roof delamination to often result in mine safety monitoring not in place.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of passive visual roof delamination biography of mining wide range fiber grating
Sensor, the variable quantity of the sensor energy real-time online display roof delamination, scene are passive visual.
The technical solution of the present invention is as follows:
A kind of passive visual roof delamination sensor of mining wide range fiber grating, including it is shell, wirerope idler wheel mechanism, visual
Change pointer transmission mechanism；Shell is equipped with fore bearing support frame, center bearing bracket, rear bearing support frame；Wirerope roller machine
Second gear is arranged in structure；It is characterized by: the visualization pointer transmission mechanism includes the third being fixed in the first rotary shaft
Gear and the 4th gear, the first rotary shaft, third gear and the 4th gear interference are connected as whole and rotatable, and second gear is nibbled
Close third gear；4th gear engages the 5th gear, and the 5th gear and the 6th gear are fixed in the second rotary shaft, the 5th tooth
Wheel, the 6th gear and the second rotary shaft interference are connected as entirety and are able to rotate；6th gear engages the 7th gear, and the 7th gear is solid
It is scheduled in third rotary shaft；One end of third rotary shaft is connect with indicator interference.
Further, for the ease of setting internal structure and trouble-free operation, first rotary shaft, the second rotary shaft and third
Rotary shaft is each attached between fore bearing support frame and intermediate shaft supporting frame, and one end of third rotary shaft passes through fore bearing support frame
It is interference fitted with indicator.
Further, in order to realize the engagement between gear, first rotary shaft, the second rotary shaft and third rotary shaft are mutual
It is arranged in parallel.
Further, in order to seal waterproof, it is also convenient for the mobile data of observation pointer, fore bearing support frame is equipped with transparent organic
Glass visualizes forms, is equipped with dial plate in forms.
Further, the wirerope idler wheel mechanism is additionally provided with idler wheel and first gear；First gear is located at idler wheel and second
Between gear, first gear is rigidly fixed in idler wheel side.
Further, in order to engage second gear with third gear, facilitate position arrangement and the operation of internal structure, it is described
Idler wheel and second gear are located at the two sides of center bearing bracket, and first gear and idler wheel are located at center bearing bracket
It is ipsilateral.
Further, for the ease of idler wheel is arranged, jackshaft is also set up between fore bearing support frame and rear bearing rack, centre
Axis one end is fixed on fore bearing support frame, and the other end passes through intermediate bearing bracket, is fixed with rear bearing rack.
Further, idler wheel, first gear and second gear are arranged on jackshaft and can rotate relative to jackshaft.
Further, in order to allow wirerope idler wheel mechanism to repeat to install and use, cost is reduced, convenient for operation, fore bearing
Support sleeve is further fixedly arranged on support frame, jackshaft one end is fixed in support sleeve, and jackshaft is radially fixed in support sleeve
But it can move axially, lock shaft is arranged in one end of idler wheel other side jackshaft, setting rotation rocking handle on lock shaft；Pass through rotation
Idler wheel, first gear, second gear and jackshaft are pulled out certain distance by rocking handle, are detached from second gear with third gear and are matched
It closes；End of operation is set back idler wheel, first gear, jackshaft by rotation rocking handle.
Further, in order to realize the guide function and different sensor combinations wirerope idler wheels of wirerope idler wheel mechanism
Mechanism, it is ensured that the winding direction of the wirerope of the sensor module of two combinations is consistent, is respectively provided with one at left and right sides of the idler wheel
Group wirerope guiding axis.
Further, in order to make the second gear gear of wirerope idler wheel mechanism be easier to engage with third gear gear, point
Carry on a shoulder pole axial elastic force；Also for axial compressive force is undertaken, reduce the friction between idler wheel and spring, between the idler wheel and lock shaft in
Between be additionally provided with compressed spring and plane bearing on axis.
The technical program have the beneficial effect that structure of the invention and manufacturing process is simple, failure rate is low, visualize pointer machine
Structure realize the amount of tension of wirerope is corresponding with pointer variable quantity, solve passive optical fiber grating sensor can not scene in real time
It shows problem, solves the visualization display of underground.
The engineering installation and recycling problem of sensor wirerope are also solved, is realized and is sensed using unique mechanical structure
The wirerope scene of device is installed repeatedly, is improved the utilization rate of sensor, is reduced cost.
Detailed description of the invention
Fig. 1 provides the structural schematic diagram of sensor for the present invention；
Fig. 2 provides the structural schematic diagram of sensor for the present invention；
Fig. 3 provides the indicator schematic diagram of sensor for the present invention；
In figure, 1. shells, 2. fore bearing support frames, 3. center bearing brackets, 4. rear bearing support frames, 5. first rotary shafts,
6. the second rotary shaft, 7. third rotary shafts, 8. first gears, 9. second gears, 10. third gears, 11. the 4th gears, 12.
Five gears, 13. the 6th gears, 14. the 7th gears, 15. idler wheels, 16. jackshafts, 17. visualization forms, 18. indicators, 19.
Support set, 20. lock shafts, 21. rotation rocking handles, 22. wirerope guiding axis, 23. compressed springs, 24. plane bearings.
Specific embodiment
It is described further with reference to the accompanying drawings and examples.
A kind of passive visual roof delamination sensor of mining wide range fiber grating, including shell, wirerope idler wheel mechanism,
Visualize pointer transmission mechanism.
As shown in Figure 1 and Figure 2 and Figure 3, sensor body includes external shell 1, shell be equipped with fore bearing support frame 2,
Sensor internal is divided into two big cavitys by center bearing bracket 3, rear bearing support frame 4, support frame, main to play support fixation
With the effect for accommodating internal structure.
Wirerope idler wheel mechanism includes second gear 9, second gear be located at center bearing bracket and fore bearing bracket it
Between.
The visualization pointer transmission mechanism is between fore bearing support frame 2 and center bearing bracket 3, including three
Rotary shaft parallel to each other, fixed gear on the rotary shaft and the transparent organic glass being fixed on fore bearing support frame can
Depending on changing forms 20, it is equipped with dial plate in forms, there is scale and indicator.
One end of first rotary shaft 5 is fixed on fore bearing support frame, can be rotated；The other end of first rotary shaft 5
It is fixed on center bearing bracket, the end also successively fixed third gear 10 and the 4th gear 11, the first rotary shaft,
Three gears and the 4th gear interference are connected as entirety and are able to rotate；Specifically, third gear and the 4th geared sleeve are in the first rotation
It is on axis and fixed.
Second rotary shaft 6 is parallel with the first rotary shaft 5, and one end of the second rotary shaft is fixed on fore bearing support frame, the
Two rotary shafts can rotate；The other end of second rotary shaft is fixed on center bearing bracket, in the second rotary shaft successively
Fixed 5th gear 12 and the 6th gear 13, the 5th gear, the 6th gear and the second rotary shaft interference are connected as whole and energy
Rotation.
4th gear engages the 5th gear, and the rotation of the 4th gear drives the rotation of the 5th gear, and then the 6th gear and second
Rotary shaft rotates together.
6th gear engages the 7th gear 14, and the 7th gear is rigidly fixed in third rotary shaft 7, third rotary shaft 7 with
Second rotary shaft 6 is parallel, and one end of third rotary shaft 7 is fixed on fore bearing support frame, and the end is matched with 18 interference of indicator
It closes, in third rotary shaft, the end is provided with pilot hole, for assembling indicator；The other end of third rotary shaft is fixed on intermediate bearing
On support frame.
The rotation of 6th gear drives the rotation of the 7th gear, and then third rotary shaft rotates, and third rotary shaft drives indicator to move
It is dynamic.
It is intelligible, in the rotary shaft of fixed third gear, the 4th gear, the 5th gear, the 6th gear, the 7th gear
On, it also corresponds to third gear, the 4th gear, the 5th gear, the 6th gear and the 7th gear and is provided with bearing, each bearing is set
It sets in the side of respective gears.
Wirerope idler wheel mechanism is additionally provided with the idler wheel 15 rigidly fixed with second gear, and idler wheel is located at center bearing bracket
Between 3 and rear bearing rack 4；Jackshaft 16 is also set up between fore bearing support frame and rear bearing rack, jackshaft one end is fixed
On fore bearing support frame, the other end passes through intermediate bearing bracket, is fixed as one with rear bearing rack；Idler wheel is arranged in centre
It can rotate on axis and relative to jackshaft, jackshaft maintains static dynamic.
Idler wheel and second gear are located at the two sides of center bearing bracket, center bearing bracket between
Corresponding position aperture, convenient for fixing idler wheel and second gear, center bearing bracket can also play support fixed function.
First gear 8 is additionally provided between idler wheel and second gear, first gear 8 is rigidly fixed with 15 side of idler wheel, and first
Gear is located at the ipsilateral of center bearing bracket with idler wheel；In this way, idler wheel 15, first gear 8 and second gear 9 are arranged in centre
It can rotate on axis 16 and relative to jackshaft, jackshaft 16 and idler wheel, first gear, second gear are clearance fit, have both played branch
Support effect, and do not influence to rotate.Intermediate support beam is not contacted with first gear, second gear, and intermediate support plate does not influence first
The rotation of gear and second gear.
Wirerope is wrapped on idler wheel, the other end of wirerope is fixed on rock by the fixed anchor fluke of external agency of sensor
In body or coal body.
The second gear 9 of wirerope idler wheel mechanism engages third gear 10, when rock mass or coal body deform, pulls steel
Cord, wirerope, which is stretched, drives idler wheel 15 to rotate, and first gear 8, second gear 9 rotate, and is driven for the first order, and then third
Gear 10, the 4th gear 11, the rotation of the first rotary shaft 5；4th gear engages the 5th gear, and then the 5th gear 12, the 6th tooth
Wheel 13 and the second rotary shaft 6 rotate, and realize second level transmission；6th gear engages the 7th gear 14, and then the 7th gear 14, the
The rotation of three rotary shafts 7, realizes third level transmission, and third rotary shaft drives indicator to rotate the stretching that top plate is finally pulled to wirerope
In the angle that displacement feedback is rotated to indicator, come out by code-disc real-time display.It is moved by three-level perimeter no-load voltage ratio, finally handle
The multiple rotations of idler wheel become 90 ° of hand of dial of rotation.
Above-mentioned sensor is the structure of single sensor, and sensor is divided into deep basic point measurement sensor and the measurement of shallow foundation point
Sensor, deep basic point measurement sensor is consistent with the internal structure of shallow foundation point measurement sensor, and the two is applied in combination.
Displacement scale is arranged on dial plate in the fixed dial plate in outside of sensor fore bearing support frame, has pointer to be directed toward scale
Table；Fig. 3 show the front panel of sensor, and stainless steel waterproof sealing shell has two sets of transparent organic glass visualization forms 17,
Forms including deep basic point measurement sensor and shallow foundation point measurement sensor, are equipped with dial scale above.When deep basic point and shallowly
When two wirerope stress of basic point pull, it can check that pointer swing offset changes accordingly by transparent visual forms, it is real
When, it is cheer and bright.
It is provided with fine tuning hole above organic glass, there is a sealing of silica gel plug in when operation, when sensor in-site installation, transfers to this stifled
Head straight screwdriver fine tuning indicator zeroing.
Form before sensor adds organic glass that rubber circle is added to add metal platen structure using rubber circle, final to use
Nut compresses；Sensor rear cover be equipped with H-type guiding gutter add ring structure to be sealed so that sensor at the scene not by
Infiltration and shower water etc. influence, and ensure that sensor stable and reliable operation.
Preferably, support sleeve 19 is further fixedly arranged on fore bearing support frame, 16 one end of jackshaft is fixed in support sleeve,
The other end passes through rear bearing support frame, and jackshaft is radially fixed in support sleeve but can move axially, and meets and works as jackshaft quilt
When pulling out a distance, remain to be supported set support fixation.
Lock shaft 20 is arranged in one end of idler wheel other side jackshaft, and lock shaft is fixed in rear end support plate 4, lock shaft one
Part is located at the outside of rear end support plate, that is, the outside of shell.
Setting rotation rocking handle 21 on lock shaft, rotation rocking handle also are located at the outside of shell, rotate 21 similar operations handle of rocking handle
Hand.
Idler wheel 15, first gear 8, second gear 9 and jackshaft 16 are pulled out into certain distance by rotation rocking handle, make second
Gear and third gear 10, which are detached from, to be cooperated；End of operation is by rotating rocking handle for idler wheel, first gear, second gear and jackshaft
It sets back.
When needing replacing wirerope, rotation rocking handle 21 is unlocked with lock shaft 20, is acted on by rotation rocking handle
Between axis 16, idler wheel and first gear, second gear and jackshaft are pulled out into certain distance, are detached from second gear and third gear
Cooperation；Jackshaft is moved axially in support sleeve but still is fixedly supported by support frame；Wirerope idler wheel mechanism is independent at this time
Structure, idler wheel can be rotated at random winding wire ropes, will not influence other mechanisms of sensor internal, can guarantee that visualization refers to
Needle indication mechanism does not change therewith, realizes that the wirerope field engineeringization of sensor is installed repeatedly.
After winding wire ropes end of operation, idler wheel, first gear, second gear and jackshaft are restored by rotation rocking handle
It is in situ.Second gear is engaged with third gear, and jackshaft returns to support sleeve original position.
Compressed spring 23 is located on the jackshaft between idler wheel and lock shaft, is located at enclosure interior, and compressed spring 23 is exactly
Spring on jackshaft is set, there is Telescopic.Intelligible, compressed spring can share a part of axial elastic force, make steel wire
The movable part of rope idler wheel mechanism is easier to set back, and second gear engages third gear.
In order to undertake axial compressive force, the friction of idler wheel and spring is reduced, the jackshaft between idler wheel and compressed spring is equipped with
Plane bearing 24.
As more preferably technical solution, realizes the guide function of wirerope idler wheel mechanism, pass through two groups of wirerope guiding axis
22 realize, wirerope guiding axis is fixed on shell, is specifically fixed between intermediate support plate 3 and rear end support plate 4, are located at rolling
The left and right sides of wheel, wirerope guiding axis are hollow tubular structures, and centre can be such that wirerope passes through, play the role of guiding.
The idler wheel of single sensor is respectively arranged on the left side and the right side a wirerope guiding axis.The winding direction of wirerope on idler wheel is all
It is clockwise, in this way when two sensor combinations in use, line outlet one of steel wire on the left of idler wheel, one in idler wheel
Right side has reached multiple groups sensor combinations by wirerope guiding axis respectively from the vertical rope stretching of left and right side of two idler wheels
Idler wheel, it is ensured that the winding direction of the wirerope for the sensor module being applied in combination is consistent.Do not have to which sensor considered when assembly
The left side is put, which sensor puts the right side, and there are two guiding axis, two sensors at will to turn to match for each sensor, last wirerope
Vertical wire outlet reaches the external component of sensor body, in conjunction with two fixed anchor flukes respectively the rock for being installed to top plate all the way
In addition (deep basic point) in vivo is installed in coal body (shallow foundation point) all the way.
Sensor is additionally provided with strain measurement mechanism, and strain measurement mechanism and first gear are cooperatively connected.Strain measurement mechanism
For long-range monitoring and early warning.
The above are the general principles of the technical program, equally can be real by changing gear size, number and transmission series
Existing visualization display example, it should be understood that the invention is not limited to these examples shown in this article, it is all in the present invention
Spirit and principle within, any modification, equivalent substitution, improvement and etc. done, should be included in protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of passive visual roof delamination sensor of mining wide range fiber grating, including shell, wirerope idler wheel mechanism, can
Depending on changing pointer transmission mechanism；Shell (1) is equipped with fore bearing support frame (2), center bearing bracket (3), rear bearing support frame
(4)；Second gear (9) are arranged in wirerope idler wheel mechanism；It is characterized by: the visualization pointer transmission mechanism includes being fixed on
Third gear (10) and the 4th gear (11) in first rotary shaft, the first rotary shaft (5), third gear and the 4th gear interference
It is connected as whole and rotatable, second gear engagement third gear；4th gear engages the 5th gear (12), the 5th gear and the
Six gears (13) are fixed on the second rotary shaft (6), and the 5th gear, the 6th gear and the second rotary shaft interference are connected as entirety simultaneously
It is able to rotate；6th gear engages the 7th gear (14), and the 7th gear is fixed on third rotary shaft (7)；The one of third rotary shaft
End is connect with indicator (18) interference.
2. sensor according to claim 1, it is characterised in that: first rotary shaft, the second rotary shaft and third rotation
Shaft is each attached between fore bearing support frame (2) and intermediate shaft supporting frame (3), and one end of third rotary shaft (7) passes through front axle
Support frame (2) and indicator (18) are held to be interference fitted.
3. sensor according to claim 1, it is characterised in that: first rotary shaft, the second rotary shaft and third rotation
Shaft is parallel to each other.
4. sensor according to claim 1, it is characterised in that: fore bearing support frame is visualized equipped with transparent organic glass
Forms (17), forms are interior to be equipped with dial plate.
5. sensor described in -4 any claims according to claim 1, it is characterised in that: the wirerope idler wheel mechanism is also
Equipped with idler wheel (15) and first gear (8)；First gear is located between idler wheel (15) and second gear (9), first gear rigidity
It is fixed on idler wheel side.
6. sensor according to claim 5, it is characterised in that: the idler wheel and second gear are located at intermediate bearing
The two sides of support frame, first gear are located at the ipsilateral of center bearing bracket with idler wheel.
7. sensor according to claim 5, it is characterised in that: also set up between fore bearing support frame and rear bearing rack
Jackshaft (16), jackshaft one end are fixed on fore bearing support frame, and the other end passes through intermediate bearing bracket, with rear bearing rack
It is fixed；Idler wheel (15), first gear (8) and second gear (9) are arranged on jackshaft (16) and can rotate relative to jackshaft.
8. sensor according to claim 7, it is characterised in that: be further fixedly arranged on support sleeve on fore bearing support frame
(19), jackshaft (16) one end is fixed in support sleeve, and jackshaft is radially fixed in support sleeve but can move axially, idler wheel
Lock shaft (20) are arranged in one end of other side jackshaft, setting rotation rocking handle (21) on lock shaft；By rotating rocking handle for idler wheel
(15), first gear (8), second gear (9) and jackshaft (16) pull out certain distance, make second gear and third gear (10)
It is detached from cooperation；End of operation is set back idler wheel, first gear, second gear and jackshaft by rotation rocking handle.
9. sensor according to claim 8, it is characterised in that: be respectively provided with one group of wirerope at left and right sides of the idler wheel and lead
To axis (22).
10. sensor according to claim 8, it is characterised in that: on the jackshaft between the idler wheel and lock shaft also
Equipped with compressed spring (23) and plane bearing (24).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910048688.3A CN109855556A (en) | 2019-01-18 | 2019-01-18 | A kind of passive visual roof delamination sensor of mining wide range fiber grating |
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| CN201910048688.3A CN109855556A (en) | 2019-01-18 | 2019-01-18 | A kind of passive visual roof delamination sensor of mining wide range fiber grating |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596060A (en) * | 2019-01-18 | 2019-04-09 | 山东道宽智能科技有限公司 | A kind of mining roof plate absciss layer sensor |
| CN109631791A (en) * | 2019-01-18 | 2019-04-16 | 山东道宽智能科技有限公司 | A kind of passive roof delamination sensor of mining wide range fiber grating |
| CN110439618A (en) * | 2019-08-16 | 2019-11-12 | 山东道宽智能科技有限公司 | A kind of mine optical fiber top plate dynamic monitoring and broken governing system |
| CN112729217A (en) * | 2020-12-23 | 2021-04-30 | 山东光安智能科技有限公司 | Multi-base-point top plate separation layer positioning sensor |
| CN114812423A (en) * | 2022-04-25 | 2022-07-29 | 山东光安智能科技有限公司 | Mechanical digital disc type roof separation layer sensor |
| CN117053842A (en) * | 2023-07-20 | 2023-11-14 | 齐鲁工业大学(山东省科学院) | Passive numerical display optical fiber top plate displacement sensor |
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| CN109596060A (en) * | 2019-01-18 | 2019-04-09 | 山东道宽智能科技有限公司 | A kind of mining roof plate absciss layer sensor |
| CN109631791A (en) * | 2019-01-18 | 2019-04-16 | 山东道宽智能科技有限公司 | A kind of passive roof delamination sensor of mining wide range fiber grating |
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