CN107917670A - Slidingtype roof to floor convergence measuring device and roof to floor convergence measuring method - Google Patents
Slidingtype roof to floor convergence measuring device and roof to floor convergence measuring method Download PDFInfo
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- CN107917670A CN107917670A CN201711394231.5A CN201711394231A CN107917670A CN 107917670 A CN107917670 A CN 107917670A CN 201711394231 A CN201711394231 A CN 201711394231A CN 107917670 A CN107917670 A CN 107917670A
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- 238000005259 measurement Methods 0.000 claims abstract description 37
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- 239000003245 coal Substances 0.000 abstract description 18
- 238000006073 displacement reaction Methods 0.000 abstract description 12
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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Abstract
Slidingtype roof to floor convergence measuring device and method, are related to the measuring device and measuring method of coal working face roof to floor convergence.In order to solve the problems, such as that existing apparatus and method presence cannot measure top plate and the respective absolute displacement variable quantity of bottom plate.Respectively by the piston rod of the respective corresponding end of universal axis connection, First piston bar and second piston bar stretch into inside piston rod sleeve two curved surface movable heads of measuring device of the present invention from the both ends of piston rod sleeve respectively；Photoelectric encoder is divided into two groups, is separately positioned on the outer wall circumference at piston rod sleeve both ends, and First piston bar, second piston bar can stretch at the both ends of piston rod sleeve；Scale is equipped with the outer wall of piston rod sleeve；The axis of each photoelectric encoder each connects one end of a cotton rope, and the other end of every cotton rope is connected on the curved surface movable head of respective side, and cotton rope is parallel with the axis of the piston rod of respective side.The present invention is suitable for the measurement of coal working face roof to floor convergence.
Description
Technical field
The present invention relates to the measuring device and measuring method of coal working face roof to floor convergence.
Background technology
Coal working face roof to floor convergence is under hydraulic support supporting role, and excavation is by mining influence, country rock
The reflection of displacement.So roof of coal face degree of stability, bracket support effect and adaptability can be evaluated with it, it is
Support selection, design (structure of stent, height etc.) provide data, advise to improve roof control.Therefore roof and floor moves
The observation closely measured is the observation project that can not be ignored.
Moreover, roof to floor convergence is the more stable ore deposit pressure parameter of fully-mechanized mining working, it can be determined that old top is first with it
To press, the step pitch and intensity of periodic weighting, so as to grasp the fully-mechanized mining working country rock characteristics of motion.Observing roof and floor shifts near speed at the same time
The purpose of degree is to determine that fully-mechanized mining working roof and floor maximum shifts near the influence of speed and its perdurabgility to roof stability, cuts
Coal, move coverage and intensity of the processes such as frame to top plate state.It can be reasonable arrangement process, science that roof and floor, which shifts near speed,
Ground tissue production provides foundation.
Directly measurement the distance between top plate and bottom plate is substantially on coal working face roof to floor convergence at present, such as
The distance of fruit therebetween is changed, it was demonstrated that the top plate of coal working face and the structure of bottom plate are changed, it should are drawn
Rise and pay attention to.Changed when same displacement occurs for the top plate and bottom plate of coal working face, make top plate and bottom plate jointly to same direction
Shift near, and when displacement is equal, actual top plate and bottom plate are changed, but cannot be found using existing apparatus and method
This point, that is, existing apparatus and method are merely capable of determining the opposite change of top plate and bottom plate, can not obtain top plate
Respective with bottom plate absolute displacement change, shifts near quantity research to research top plate and bottom plate and brings inconvenience, and it is also possible to
Because there are huge security risk for such a situation.
The content of the invention
In order to solve, existing apparatus and method presence cannot measure top plate to the present invention and the respective absolute displacement of bottom plate becomes
The problem of change amount.
Slidingtype roof to floor convergence measuring device, including slidingtype roof to floor convergence measurement bar, the slidingtype
Roof to floor convergence measurement bar includes first surface movable head, the second curved surface movable head, the first universal shaft, the second universal shaft, the
One piston rod, second piston bar, even number photoelectric encoder, piston rod sleeve；
First surface movable head passes through by one end of the first universal axis connection First piston bar, the second curved surface movable head
One end of two universal axis connection second piston bars；
The other end of First piston bar and the other end of second piston bar stretch into piston from the both ends of piston rod sleeve respectively
Inside rod sleeve；
Even number photoelectric encoder is divided into two groups, and one of which photoelectric coder is uniformly arranged on piston rod sleeve one end
On outer wall circumference, another set photoelectric coder is uniformly arranged on the outer wall circumference of the piston rod sleeve other end；Along piston rod
On length sleeve direction, scale is equipped with the outer wall of piston rod sleeve；
First piston bar, second piston bar and piston rod sleeve are used cooperatively, and First piston bar, second piston bar can be
Stretch at the both ends of piston rod sleeve；
The axis of each photoelectric encoder each connects one end of a cotton rope, and the other end of every cotton rope is connected to respective side
Curved surface movable head on, and cotton rope is parallel with the axis of the piston rod of respective side.
Further, the photoelectric encoder is arranged to 4.
Further, the slidingtype roof to floor convergence measuring device further includes laser.
Slidingtype roof to floor convergence measuring device, including slidingtype roof to floor convergence measurement bar, the slidingtype
Roof to floor convergence measurement bar includes first surface movable head, the second curved surface movable head, the first universal shaft, the second universal shaft, the
One piston rod, second piston bar, even number photoelectric encoder, first piston rod sleeve, second piston rod sleeve；
First surface movable head passes through by one end of the first universal axis connection First piston bar, the second curved surface movable head
One end of two universal axis connection second piston bars；
The other end of First piston bar stretches into First piston bar sleeve inner；The other end of second piston bar stretches into the second work
Stopper rod sleeve inner；First piston rod sleeve connects second piston rod sleeve by thread fitting, and stopper rod sleeve is used as after connection；
Even number photoelectric encoder is divided into two groups, and one of which photoelectric coder is uniformly arranged on first piston rod sleeve one
On the outer wall circumference at end, another set photoelectric coder is uniformly arranged on the outer wall circumference of second piston rod sleeve one end；
First piston rod sleeve, second piston rod sleeve alongst on, on the outer wall equipped with scale, and
After one piston rod sleeve, second piston bar sleeve connection, the scale of first piston rod sleeve and the scale of second piston rod sleeve
Being capable of shape scale in a row；
First piston bar, second piston bar are used cooperatively with first piston rod sleeve, second piston rod sleeve respectively, and first
Piston rod can stretch in one end of first piston rod sleeve, and second piston bar can be stretched in one end of second piston rod sleeve
Contracting；
The axis of each photoelectric encoder each connects one end of a cotton rope, and the other end of every cotton rope is connected to respective side
Curved surface movable head on, and cotton rope is parallel with the axis of the piston rod of respective side.
Further, the photoelectric encoder is arranged to 4.
Further, slidingtype roof to floor convergence measuring device further includes laser.
The method that roof to floor convergence measurement is carried out using slidingtype roof to floor convergence measuring device, process are as follows：
In the environment for needing to measure roof to floor convergence, the first of slidingtype roof to floor convergence measurement bar is adjusted first
Curved surface movable head, the second curved surface movable head, make first surface movable head, the second curved surface movable head contact top plate and bottom plate respectively；
Then find a reference position in the environment for needing to measure roof to floor convergence and set laser, and make to swash
The laser a that light device is sent is radiated on the scale on piston rod sleeve outer wall, and a datum line is determined on scale；Pass through light
Photoelectric coder obtains distance of the datum line to top plate and the distance to bottom plate；
Change needing to carry out roof and floor after research corresponding a period of time, ensure that slidingtype roof to floor convergence is surveyed
Gauge rod measures again in original position, and the laser sent by laser is radiated at the scale on piston rod sleeve outer wall
Determine the amount of shifting near of datum line；Distance of the datum line to top plate and the distance to bottom plate are obtained by photoelectric encoder, and passed through
The amount of shifting near of datum line, can obtain the amount of shifting near of top plate and bottom plate relative to home position；Pass through the photoelectricity of the same end at the same time
4 data of encoder obtain the angle of inclination for the top plate or bottom plate currently surveyed.
Beneficial effects of the present invention：
For the scraggly situation of coal working face roof and floor, slidingtype roof to floor convergence measuring device of the present invention
First surface movable head and the second curved surface movable head can adapt to the various situations of coal working face roof and floor and measure.Profit
The distance between coal working face roof and floor can be not only measured with the present invention, i.e., coal working face roof and floor is opposite shifts near
Amount.
Since photoelectric encoder and the piston rod and movable head of respective one end coordinate, measurement coal working face top can be realized
The absolute displacement amount of plate and the respective displacement of bottom plate, i.e. roof and floor.And due to photoelectric encoder and piston rod and movable head
Coordinate the situation that can be realized and adapt to different coal working face height, even if very big or less for roof and floor relative distance
The situation present invention can measure.
Photoelectric encoder and being symmetrical arranged can ensure that measurement has very high precision at the same time so that the displacement of roof and floor
Measurement error control below 0.5%.And break down one in apparatus of the present invention photoelectric encoder, roof and floor will not be influenced
Displacement measurement process, i.e., originally do not know duct device damage in the case of, under to coal working face measure when, also can
Enough normal developments for ensureing measurement work；If traditional measuring device is in this case, then it cannot carry out measurement completely
Work.And due to the design feature of apparatus of the present invention, even if under the feelings of whole photoelectric encoders damage at one end are broken, equally
Measurement can be realized using device.
Brief description of the drawings
Fig. 1 is slidingtype roof to floor convergence measuring device structure diagram in embodiment one；
Fig. 2 is slidingtype roof to floor convergence measuring device structure diagram in embodiment four.
Embodiment
Embodiment one：Illustrate present embodiment with reference to Fig. 1,
Slidingtype roof to floor convergence measuring device, including slidingtype roof to floor convergence measurement bar, the slidingtype
Roof to floor convergence measurement bar includes first surface movable head 1, the second curved surface movable head 11, the first universal shaft 2, the second universal shaft
12nd, First piston bar 3, second piston bar 13, even number photoelectric encoder 4, piston rod sleeve 5；
First surface movable head 1 connects one end of First piston bar 3, the second curved surface movable head 11 by the first universal shaft 2
One end of second piston bar 13 is connected by the second universal shaft 12；After actual seam mining, for needing to measure roof and floor
The top plate and bottom plate of the environment for the amount of shifting near are out-of-flatnesses, so needing first surface movable head 1, the second curved surface movable head 11
It is curved surface to make one side, while is connect by universal axial adjustment curved surface movable head with the angle being adapted to and the actual face of top plate and bottom plate
Touch, error is reduced to the greatest extent to realize.
The other end of First piston bar 3 and the other end of second piston bar 13 are stretched into from the both ends of piston rod sleeve 5 respectively
Inside piston rod sleeve 5；
Even number photoelectric encoder 4 is divided into two groups, and one of which photoelectric coder is uniformly arranged on 5 one end of piston rod sleeve
Outer wall circumference on, another set photoelectric coder 4 is uniformly arranged on the outer wall circumference of 5 other end of piston rod sleeve；Along work
On 5 length direction of stopper rod sleeve, scale is equipped with the outer wall of piston rod sleeve 5；
First piston bar 3, second piston bar 13 and piston rod sleeve 5 are used cooperatively, First piston bar 3, second piston bar
13 can stretch at the both ends of piston rod sleeve 5；First piston bar 3, second piston bar 13 can (be arranged on work by spring
Stopper rod sleeve inner) realize and stretch at the both ends of piston rod sleeve 5；First piston bar 3, second piston bar 13 can also be passed through
Hydraulic pressure is realized to be stretched at the both ends of piston rod sleeve 5；
The axis of each photoelectric encoder 4 each connects one end of a cotton rope, and the other end of every cotton rope is connected to correspondence
On the curved surface movable head of side, and cotton rope is parallel with the axis of the piston rod of respective side.
Embodiment two：
Photoelectric encoder described in present embodiment is arranged to 4.At this time, wherein 2 photoelectric coders 4 are symmetricly set on work
On the outer wall of 5 one end of stopper rod sleeve, that is, it is uniformly arranged on the outer wall circumference of piston rod sleeve one end；Other 2 electricity are compiled
Code device 4 is symmetricly set on the outer wall of 5 other end of piston rod sleeve, that is, is uniformly arranged on the outer of the piston rod sleeve other end
On wall circumference.
When curved surface movable head is contacted with suitable angle with the actual face of top plate and bottom plate, lateral deviation occurs for curved surface movable head.
Photoelectric encoder is actually arranged to 8,4 one group is symmetricly set on piston rod sleeve outer wall circumference, passes through 4 photoelectricity
Encoder measures top plate or the angle of inclination of bottom plate can be more accurate, but the cost of equipment can increase.By photoelectric encoder
4 are arranged to, 2 one group is symmetricly set on piston rod sleeve outer wall circumference, passes through the number of 2 photoelectric encoders of the same end
According to the distance that can not only obtain roof and floor, moreover it is possible to by the data difference of 2 photoelectric encoders of the same end, closed according to geometry
System obtains the angle of inclination for the top plate or bottom plate currently surveyed.In order to more accurately obtain top plate or the bottom currently surveyed
The angle of inclination of plate, poises certain angle (such as 90 °) along axis by equipment in same observation station after can measuring once and surveys again
Once, the angle of inclination for the top plate or bottom plate currently surveyed is obtained by geometrical relationship.
Other structures and parameter are identical with embodiment one.
Embodiment three：
Slidingtype roof to floor convergence measuring device described in present embodiment, further includes one and is used to irradiate piston rod set
The laser of cylinder.
Other structures and parameter are the same as one or two specific embodiments.
Embodiment four：Illustrate present embodiment with reference to Fig. 2,
Present embodiment includes slidingtype roof to floor convergence measurement bar, the slidingtype roof to floor convergence measurement bar
Including first surface movable head 1, the second curved surface movable head 11, the first universal shaft 2, the second universal shaft 12, First piston bar 3,
Two piston rods 13, even number photoelectric encoder 4, first piston rod sleeve 51, second piston rod sleeve 52；
First surface movable head 1 connects one end of First piston bar 3, the second curved surface movable head 11 by the first universal shaft 2
One end of second piston bar 13 is connected by the second universal shaft 12；After actual seam mining, for needing to measure roof and floor
The top plate and bottom plate of the environment for the amount of shifting near are out-of-flatnesses, so needing first surface movable head 1, the second curved surface movable head 11
It is curved surface to make one side, while is connect by universal axial adjustment curved surface movable head with the angle being adapted to and the actual face of top plate and bottom plate
Touch, error is reduced to the greatest extent to realize.
The other end of First piston bar 3 is stretched into inside first piston rod sleeve 51；The other end of second piston bar 13 stretches into
Inside second piston rod sleeve 52；First piston rod sleeve 51 connects second piston rod sleeve 52 by thread fitting, after connection
As stopper rod sleeve 5；So both ends can be added between first piston rod sleeve 51, second piston rod sleeve 52 and be equipped with screw thread
Long tube, and first piston rod sleeve 51, second piston rod sleeve 52 are linked together, so as to increase the shifting of slidingtype roof and floor
The nearly length for measuring gauge rod, to adapt to the distance of higher.
Even number photoelectric encoder 4 is divided into two groups, and one of which photoelectric coder is uniformly arranged on first piston rod sleeve
On the outer wall circumference of 51 one end, another set photoelectric coder 4 is uniformly arranged on the outer wall circumference of 52 one end of second piston rod sleeve
On；
First piston rod sleeve 51, second piston rod sleeve 52 alongst on, on the outer wall equipped with scale, and
After first piston rod sleeve 51, second piston rod sleeve 52 connect, the scale and second piston bar of first piston rod sleeve 51
The scale of sleeve 52 being capable of shape scale in a row；Addition carries among first piston rod sleeve 51, second piston rod sleeve 52
After the long tube of scale, first piston rod sleeve 51, long tube, the scale on second piston rod sleeve 52 being capable of shape scales in a row；
First piston bar 3, second piston bar 13 coordinate and make with first piston rod sleeve 51, second piston rod sleeve 52 respectively
With First piston bar 3 can stretch in one end of first piston rod sleeve 51, and second piston bar 13 can be in second piston rod set
Stretch one end of cylinder 52；First piston bar 3, second piston bar 13 can be realized respectively by spring in first piston rod set
Cylinder, one end of second piston rod sleeve are stretched；Can be realized respectively by hydraulic pressure in first piston rod sleeve, second piston bar
Stretch one end of sleeve；
The axis of each photoelectric encoder 4 each connects one end of a cotton rope, and the other end of every cotton rope is connected to correspondence
On the curved surface movable head of side, and cotton rope is parallel with the axis of the piston rod of respective side.
Embodiment five：
Photoelectric encoder described in present embodiment is arranged to 4.
Other structures and parameter are identical with embodiment four.
Embodiment six：
Slidingtype roof to floor convergence measuring device described in present embodiment, further includes one and is used to irradiate piston rod set
The laser of cylinder.
Other structures and parameter are identical with embodiment four or five.
Embodiment seven：
The method that roof to floor convergence measurement is carried out using slidingtype roof to floor convergence measuring device, process are as follows：
In the environment for needing to measure roof to floor convergence, the first of slidingtype roof to floor convergence measurement bar is adjusted first
Curved surface movable head 1, the second curved surface movable head 11, make first surface movable head 1, the second curved surface movable head 11 contact respectively top plate and
Bottom plate；
Then find a reference position in the environment for needing to measure roof to floor convergence and set laser, and make to swash
The laser a that light device is sent is radiated on the scale on 5 outer wall of piston rod sleeve, and a datum line is determined on scale, it is assumed that
Laser is irradiated to 0 groove (scale center line), the line on the basis of for 0 groove；Datum line is obtained to top plate by photoelectric encoder 4
Distance and the distance to bottom plate；
Change needing to carry out roof and floor after research corresponding a period of time, can exist again over time
Home position sets slidingtype roof to floor convergence measurement bar to measure or be always maintained at slidingtype roof and floor and shifts near
Gauge rod is measured to measure, pass through again in original position in home position, guarantee slidingtype roof to floor convergence measurement bar
The scale that the laser that laser is sent is radiated on 5 outer wall of piston rod sleeve determines the amount of shifting near of datum line, and laser was irradiated to for 1 quarter
During line, 0 groove of datum line is equivalent to have dropped 1 scale unit；Datum line is obtained to the distance of top plate by photoelectric encoder 4
With the distance to bottom plate, and by the amount of shifting near of datum line, the amount of shifting near of top plate and bottom plate relative to home position can be obtained；
At the same time by 4 data difference of photoelectric encoder of the same end, the top plate currently surveyed or bottom plate are obtained with reference to geometrical relationship
Angle of inclination.
Photoelectric encoder, which is symmetrical arranged, can ensure that measurement has very high precision, not only cause the displacement of roof and floor
Measurement error is controlled below 0.5%, but also can be in apparatus of the present invention one end photoelectric encoder one or all damages
In the case of, the displacement measurement process of roof and floor will not be influenced, i.e., in the case where originally not knowing duct device damage, under arrive
When coal working face measures, it can also ensure to measure the normal development of work；If traditional measuring device is this
In the case of, then it cannot carry out measurement work completely.Measurement process can be divided into the process of measurement top plate and bottom plate, complete using device
Good one end first measures the amount of shifting near of top plate (or bottom plate), and the laser sent by laser is radiated at piston rod sleeve outer wall
On scale on, scale measures on the basis of some scale, can obtain the amount of shifting near of top plate (or bottom plate).Then will
Device both ends are exchanged, and the amount of shifting near of the intact one end measurement bottom plate (or top plate) of reuse means, is sent by laser
Laser irradiation reference graduation (or impinge upon on some scale, then carry out quantitative relation conversion with reference graduation), the bottom of so as to fulfill
Plate (or top plate) shifts near measurement.And can be by the data difference of 2 photoelectric encoders of the same end, according to geometrical relationship
Obtain the angle of inclination for the top plate or bottom plate currently surveyed.In order to more accurately obtain the top plate or bottom plate currently surveyed
Angle of inclination, equipment is poised into certain angle (such as 90 °) along axis in same observation station after can measuring once and surveys one again
It is secondary, the angle of inclination for the top plate or bottom plate currently surveyed is obtained by geometrical relationship.
The three-dimensional structure of coal working face can also be gone out by the digital simulation of each measuring point in the later stage.
Claims (7)
1. slidingtype roof to floor convergence measuring device, it is characterised in that described including slidingtype roof to floor convergence measurement bar
Slidingtype roof to floor convergence measurement bar include first surface movable head (1), the second curved surface movable head (11), the first universal shaft
(2), the second universal shaft (12), First piston bar (3), second piston bar (13), even number photoelectric encoder (4), piston rod set
Cylinder (5)；
First surface movable head (1) connects one end of First piston bar (3), the second curved surface movable head by the first universal shaft (2)
(11) one end of second piston bar (13) is connected by the second universal shaft (12)；
The other end of First piston bar (3) and the other end of second piston bar (13) are stretched from the both ends of piston rod sleeve (5) respectively
It is internal to enter piston rod sleeve (5)；
Even number photoelectric encoder (4) is divided into two groups, and one of which photoelectric coder is uniformly arranged on piston rod sleeve (5) one end
Outer wall circumference on, another set photoelectric coder (4) is uniformly arranged on the outer wall circumference of piston rod sleeve (5) other end；Edge
On piston rod sleeve (5) length direction, scale is equipped with the outer wall of piston rod sleeve (5)；
First piston bar (3), second piston bar (13) and piston rod sleeve (5) are used cooperatively, and First piston bar (3), second live
Stopper rod (13) can stretch at the both ends of piston rod sleeve (5)；
The axis of each photoelectric encoder (4) each connects one end of a cotton rope, and the other end of every cotton rope is connected to respective side
Curved surface movable head on, and cotton rope is parallel with the axis of the piston rod of respective side.
2. slidingtype roof to floor convergence measuring device according to claim 1, it is characterised in that the photoelectric coding
Device is arranged to 4.
3. slidingtype roof to floor convergence measuring device according to claim 1 or 2, it is characterised in that further include laser
Device.
4. slidingtype roof to floor convergence measuring device, it is characterised in that described including slidingtype roof to floor convergence measurement bar
Slidingtype roof to floor convergence measurement bar include first surface movable head (1), the second curved surface movable head (11), the first universal shaft
(2), the second universal shaft (12), First piston bar (3), second piston bar (13), even number photoelectric encoder (4), first piston
Rod sleeve (51), second piston rod sleeve (52)；
First surface movable head (1) connects one end of First piston bar (3), the second curved surface movable head by the first universal shaft (2)
(11) one end of second piston bar (13) is connected by the second universal shaft (12)；
It is internal that the other end of First piston bar (3) stretches into first piston rod sleeve (51)；The other end of second piston bar (13) is stretched
It is internal to enter second piston rod sleeve (52)；First piston rod sleeve (51) connects second piston rod sleeve by thread fitting
(52), stopper rod sleeve (5) is used as after connection；
Even number photoelectric encoder (4) is divided into two groups, and one of which photoelectric coder is uniformly arranged on first piston rod sleeve
(51) on the outer wall circumference of one end, another set photoelectric coder (4) is uniformly arranged on the outer of second piston rod sleeve (52) one end
On wall circumference；
First piston rod sleeve (51), second piston rod sleeve (52) alongst on, on the outer wall equipped with scale, and
After first piston rod sleeve (51), second piston rod sleeve (52) connection, the scale and second of first piston rod sleeve (51)
The scale of piston rod sleeve (52) being capable of shape scale in a row；
First piston bar (3), second piston bar (13) are matched somebody with somebody with first piston rod sleeve (51), second piston rod sleeve (52) respectively
Close and use, First piston bar (3) can stretch in one end of first piston rod sleeve (51), and second piston bar (13) can be the
Stretch one end of two piston rod sleeves (52)；
The axis of each photoelectric encoder (4) each connects one end of a cotton rope, and the other end of every cotton rope is connected to respective side
Curved surface movable head on, and cotton rope is parallel with the axis of the piston rod of respective side.
5. slidingtype roof to floor convergence measuring device according to claim 4, it is characterised in that the photoelectric coding
Device is arranged to 4.
6. slidingtype roof to floor convergence measuring device according to claim 4 or 5, it is characterised in that further include laser
Device.
7. a kind of slidingtype roof to floor convergence measuring device using described in claim 3 or 6 carries out roof to floor convergence survey
The method of amount, it is characterised in that process is as follows：
In the environment for needing to measure roof to floor convergence, the first surface of slidingtype roof to floor convergence measurement bar is adjusted first
Movable head (1), the second curved surface movable head (11), make first surface movable head (1), the second curved surface movable head (11) contact top respectively
Plate and bottom plate；
Then find a reference position in the environment for needing to measure roof to floor convergence and set laser, and make laser
The laser a sent is radiated on the scale on piston rod sleeve (5) outer wall, and a datum line is determined on scale；Pass through light
Photoelectric coder (4) obtains distance of the datum line to top plate and the distance to bottom plate；
Change needing to carry out roof and floor after research corresponding a period of time, ensure slidingtype roof to floor convergence measurement bar
Measured again in original position, the laser sent by laser is radiated at the scale on piston rod sleeve (5) outer wall
Determine the amount of shifting near of datum line；Distance of the datum line to top plate and the distance to bottom plate are obtained by photoelectric encoder (4), and led to
The amount of shifting near of datum line is crossed, the amount of shifting near of top plate and bottom plate relative to home position can be obtained；Pass through the light of the same end at the same time
4 data of photoelectric coder obtain the angle of inclination for the top plate or bottom plate currently surveyed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711394231.5A CN107917670B (en) | 2017-12-21 | 2017-12-21 | Sliding type top and bottom plate approaching amount measuring device and top and bottom plate approaching amount measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711394231.5A CN107917670B (en) | 2017-12-21 | 2017-12-21 | Sliding type top and bottom plate approaching amount measuring device and top and bottom plate approaching amount measuring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107917670A true CN107917670A (en) | 2018-04-17 |
| CN107917670B CN107917670B (en) | 2023-10-03 |
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|---|---|---|---|
| CN201711394231.5A Active CN107917670B (en) | 2017-12-21 | 2017-12-21 | Sliding type top and bottom plate approaching amount measuring device and top and bottom plate approaching amount measuring method |
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Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1105954A (en) * | 1964-05-19 | 1968-03-13 | Coal Industry Patents Ltd | Roof convergence measuring device |
| US4514905A (en) * | 1983-09-26 | 1985-05-07 | Union Oil Company Of California | Convergence extensometer for measuring mine roof subsidence |
| CN2059939U (en) * | 1989-09-19 | 1990-08-01 | 煤炭科学研究总院重庆分院 | Digital alarm for monitoring mine roof |
| CN2092085U (en) * | 1991-04-25 | 1992-01-01 | 成都煤炭管理干部学院培训中心 | Meter for measuring displacement of head plate or underplate |
| JPH1018601A (en) * | 1996-07-01 | 1998-01-20 | Shuji Takase | Horizontal measuring device for erection method |
| CN102426003A (en) * | 2011-09-09 | 2012-04-25 | 江苏三恒科技集团有限公司 | Mineral roof and floor convergence sensor |
| CN103389063A (en) * | 2013-08-12 | 2013-11-13 | 南京埃斯顿自动化股份有限公司 | Device for automatically measuring bending angle of bending machine by adopting pipeline pressure |
| CN203572464U (en) * | 2013-12-05 | 2014-04-30 | 金声尧 | 360-degree rotation positioning measuring rod |
| CN204085849U (en) * | 2014-04-23 | 2015-01-07 | 新疆大学 | Water injection type back dynamic monitor |
| CN105806177A (en) * | 2016-03-07 | 2016-07-27 | 河南理工大学 | Portable measurement device for relative displacement of top board and bottom board of mine laneway |
| CN106705930A (en) * | 2017-03-21 | 2017-05-24 | 北方工业大学 | Reconfigurable tool for deformation test of thin-wall curved surface part |
| CN106908033A (en) * | 2017-04-11 | 2017-06-30 | 山东科技大学 | A kind of goaf top plate multi-point displacement synchronous measuring apparatus and its measuring method |
| CN107063062A (en) * | 2017-04-12 | 2017-08-18 | 霍州煤电集团有限责任公司 | A kind of mining tunnel deformation monitoring equipment |
| CN107101841A (en) * | 2017-06-05 | 2017-08-29 | 金华出入境检验检疫局综合技术服务中心 | A kind of treadmills durability test device |
| CN207540503U (en) * | 2017-12-21 | 2018-06-26 | 黑龙江科技大学 | Slidingtype roof to floor convergence measuring device |
-
2017
- 2017-12-21 CN CN201711394231.5A patent/CN107917670B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1105954A (en) * | 1964-05-19 | 1968-03-13 | Coal Industry Patents Ltd | Roof convergence measuring device |
| US4514905A (en) * | 1983-09-26 | 1985-05-07 | Union Oil Company Of California | Convergence extensometer for measuring mine roof subsidence |
| CN2059939U (en) * | 1989-09-19 | 1990-08-01 | 煤炭科学研究总院重庆分院 | Digital alarm for monitoring mine roof |
| CN2092085U (en) * | 1991-04-25 | 1992-01-01 | 成都煤炭管理干部学院培训中心 | Meter for measuring displacement of head plate or underplate |
| JPH1018601A (en) * | 1996-07-01 | 1998-01-20 | Shuji Takase | Horizontal measuring device for erection method |
| CN102426003A (en) * | 2011-09-09 | 2012-04-25 | 江苏三恒科技集团有限公司 | Mineral roof and floor convergence sensor |
| CN103389063A (en) * | 2013-08-12 | 2013-11-13 | 南京埃斯顿自动化股份有限公司 | Device for automatically measuring bending angle of bending machine by adopting pipeline pressure |
| CN203572464U (en) * | 2013-12-05 | 2014-04-30 | 金声尧 | 360-degree rotation positioning measuring rod |
| CN204085849U (en) * | 2014-04-23 | 2015-01-07 | 新疆大学 | Water injection type back dynamic monitor |
| CN105806177A (en) * | 2016-03-07 | 2016-07-27 | 河南理工大学 | Portable measurement device for relative displacement of top board and bottom board of mine laneway |
| CN106705930A (en) * | 2017-03-21 | 2017-05-24 | 北方工业大学 | Reconfigurable tool for deformation test of thin-wall curved surface part |
| CN106908033A (en) * | 2017-04-11 | 2017-06-30 | 山东科技大学 | A kind of goaf top plate multi-point displacement synchronous measuring apparatus and its measuring method |
| CN107063062A (en) * | 2017-04-12 | 2017-08-18 | 霍州煤电集团有限责任公司 | A kind of mining tunnel deformation monitoring equipment |
| CN107101841A (en) * | 2017-06-05 | 2017-08-29 | 金华出入境检验检疫局综合技术服务中心 | A kind of treadmills durability test device |
| CN207540503U (en) * | 2017-12-21 | 2018-06-26 | 黑龙江科技大学 | Slidingtype roof to floor convergence measuring device |
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| CN107917670B (en) | 2023-10-03 |
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Effective date of registration: 20231211 Address after: Room 108, 1st Floor, Songbei Park Building, Heilongjiang University of Science and Technology Science Park, No. 2468 Puyuan Road, Songbei District, Harbin City, Heilongjiang Province, 150022 Patentee after: Heilongjiang Coal Science and Technology Intelligent Control Technology Co.,Ltd. Address before: 150022 No. 2468 Puyuan Road, Songbei District, Harbin City, Heilongjiang Province Patentee before: HEILONGJIANG University OF SCIENCE AND TECHNOLOGY |