CN106323188A - Mechanical constant-resistance single prop deformation monitoring device - Google Patents
Mechanical constant-resistance single prop deformation monitoring device Download PDFInfo
- Publication number
- CN106323188A CN106323188A CN201610957662.7A CN201610957662A CN106323188A CN 106323188 A CN106323188 A CN 106323188A CN 201610957662 A CN201610957662 A CN 201610957662A CN 106323188 A CN106323188 A CN 106323188A
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- China
- Prior art keywords
- deformation
- individual prop
- cylinder body
- monitoring device
- mechanical type
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/18—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge using photoelastic elements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a mechanical constant-resistance single prop deformation monitoring device, and relates to the technical field of coal mining engineering. The device comprises a single prop cylinder, a single prop plunger, a deformation sensing device and a deformation measurement device. The bottom end of the single prop plunger is connected in the single prop cylinder in a sleeved mode, the deformation sensing device comprises a pressure-bearing barrel, a deformation sensing device cylinder, an elastic component and a high-elasticity membrane, and the deformation measurement device comprises a deformation conversion element, an information transmission line and an information processor. The elastic component generates compressive deformation when the single prop plunger generates vertical displacement, so that the high-elasticity membrane generates microdeformation; a deformation signal is converted into a measurable signal through the deformation conversion element connected to the high-elasticity membrane and transmitted to the information processor through the information transmission line. The device is small in size, high in measurement precision, easy and flexible to operate and capable of achieving dynamic monitoring and data storing and effectively improving the operation efficiency.
Description
Technical field
The present invention relates to coal mining projects technical field, particularly relate to a kind of mechanical type constant-resistance individual prop deformation prison
Survey device.
Background technology
In progress of coal mining, carry out reinforcement at the widely used individual prop of stope and supporting pressure influence district, tunnel and prop up
Protect, advance support or gib.In mining process, top board is in overlying rock gravity and the double influence of mining induced stress
Under, there is bigger bending subsidence in a short time, along with the increase of supercoated stress, individual prop can produce compression, bending
Deformation, even fractures, causes supporting to lose efficacy.
At present, obtain the decrement of pillar frequently with the method indicating scale on monomer column, by reading at the beginning of pillar
Support plate and when roof weighting the scale difference of pillar certain point, obtain the decrement of pillar, but be limited by underground work ring
Border and the restriction of workman's labor efficiency, can not large area, the timely decrement dynamically obtaining pillar.
Therefore, market is badly in need of a kind of mechanical type constant-resistance individual prop deformation monitoring device, in order to solve at monitoring pillar
Decrement time, it is impossible to large area, the problem dynamically obtaining in time the decrement of pillar.
Summary of the invention
It is an object of the invention to provide a kind of mechanical type constant-resistance individual prop deformation monitoring device, in order to solve instantly at prison
When surveying the decrement of pillar, it is impossible to large area, the problem dynamically obtaining the decrement of pillar in time.
For achieving the above object, the invention provides following scheme:
A kind of mechanical type constant-resistance individual prop deformation monitoring device, including:
Individual prop cylinder body, individual prop post alive, described individual prop post bottom alive is socketed on described individual prop cylinder body
In；
Deformation induction device, described deformation induction device include pressure-bearing cylinder, deformation induction device cylinder body, elastic parts with
And high resiliency diaphragm, described high resiliency diaphragm is arranged in described deformation induction device cylinder body, and described elastic parts is arranged at institute
State in deformation induction device cylinder body, one end of described pressure-bearing cylinder be socketed in described deformation induction device cylinder body and with described bullet
Property assembly end thereof contacts, the other end of described pressure-bearing cylinder and described individual prop post bottom of living contacts, described elastic parts
The other end is connected with described high resiliency diaphragm, described deformation induction device cylinder body be socketed in described individual prop cylinder body and with institute
State the fixing connection of individual prop cylinder body；
Deformation measuring device, described deformation measuring device includes at deformation conversion element, infor-mation-carrying wire and information
Reason device, described deformation conversion element is connected with described high resiliency diaphragm and the deformation of described high resiliency diaphragm is converted into and can be surveyed
Amount signal, described deformation measuring device is connected with described message handler by described infor-mation-carrying wire.
Preferably, the opening of described individual prop cylinder body is internal is taper seat, described individual prop post alive and described circle
Elastic sphere it is provided with between the conical surface.
Preferably, described high resiliency diaphragm being provided with elastic fixed hole, described elastic parts includes limiting plate, sealing
Circle, spring and guide post, described guide post is fixing with described limiting plate to be connected, and described spring one end is fixed on described guiding
Bar, the described spring other end is fixed on described elastic fixed hole, and described pressure-bearing cylinder is connect with described limiting plate by described sealing ring
Touch.
Preferably, the area of described limiting plate is more than the cross-sectional area of described pressure-bearing cylinder.
Preferably, described spring is high-strength alloy spring.
Preferably, described pressure-bearing cylinder, described limiting plate and described guide post are positioned at the center of described high resiliency diaphragm
On axis.
Preferably, described deformation conversion element is fiber grating, described infor-mation-carrying wire include tail optical fiber, armored optical cable with
And cable line, described tail optical fiber, described armored optical cable and described cable line be sequentially connected with, described tail optical fiber and described fiber grating phase
Even, described cable line is connected with described message handler.
Preferably, described fiber grating is optical fiber Bragg raster, and the material of described high resiliency diaphragm is 3J2 Fe-Ni-Cr
Series austenite precipitation strength type high elastic modulus alloy steel.
Preferably, described fiber grating is arranged on the central axis of described high resiliency diaphragm.
The present invention achieves techniques below effect relative to prior art:
By arranging deformation induction device and the deformation measuring device of the present invention, can in real time, obtain every dynamically
The decrement of individual prop and stress size, the deformation of monitoring mining roadway every individual prop, for mining roadway roof control
And offer important guiding effect is provided, provide safeguard for downhole coal mine workman's life security and safe coal high-efficiency mining.
Meanwhile, assembly of the invention volume is little, and certainty of measurement is high, it is possible to achieve dynamic monitoring and data storage, operation letter
Single flexible, it is effectively improved working performance.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the structural representation of the embodiment of the present invention a kind of mechanical type constant-resistance individual prop deformation monitoring device；
Wherein, 1-individual prop post, 2-individual prop cylinder body, 3-pressure-bearing cylinder, 4-sealing ring, 5-limiting plate, 6-deformation alive
Induction installation cylinder body, 7-guide post, 8-spring, 9-high resiliency diaphragm, 10-elasticity fixed hole, 11-taper seat, 12-elastic ball
Body, 13-screwed hole, 14-fiber grating, 15-tail optical fiber, 16-armored optical cable, 17-cable line.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
It is an object of the invention to provide a kind of mechanical type constant-resistance individual prop deformation monitoring device, in order to solve in monitoring
During the decrement of post, it is impossible to large area, the problem dynamically obtaining the decrement of pillar in time.
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, real with concrete below in conjunction with the accompanying drawings
The present invention is further detailed explanation to execute mode.
Fig. 1 is the structural representation of the embodiment of the present invention a kind of mechanical type constant-resistance individual prop deformation monitoring device；
The invention discloses a kind of mechanical type constant-resistance individual prop deformation monitoring device, including: individual prop post 1 alive, list
Pillar body cylinder body 2, pressure-bearing cylinder 3, sealing ring 4, limiting plate 5, deformation induction device cylinder body 6, guide post 7, spring 8, highly elastic film
Sheet 9, elastic fixed hole 10, taper seat 11, elastic sphere 12, screwed hole 13, fiber grating 14, tail optical fiber 15, armored optical cable 16, light
Cable 17.
Wherein, individual prop post 1 bottom alive is socketed in individual prop cylinder body 2；Inside the opening of individual prop cylinder body 2
For taper seat 11, individual prop is lived and is provided with elastic sphere 12 between post 1 and taper seat 11.Elastic sphere 12 is stuck in individual prop
Cylinder body 2 and individual prop are lived on the taper seat 11 between post 1, limit the displacement of individual prop post 1 alive.
Deformation induction device includes pressure-bearing cylinder 3, deformation induction device cylinder body 6, elastic parts and high resiliency diaphragm 9,
High resiliency diaphragm 9 is arranged in deformation induction device cylinder body 6, and elastic parts is arranged in deformation induction device cylinder body 6, pressure-bearing cylinder
In one end of 3 is socketed on deformation induction device cylinder body 6 and with elastic parts end thereof contacts, the other end of pressure-bearing cylinder 3 props up with monomer
Post post 1 bottom of living contacts, and the other end of elastic parts is connected with high resiliency diaphragm 9, bottom individual prop cylinder body 2 and deformation
Be provided with screwed hole 13 bottom induction installation cylinder body 6, in deformation induction device cylinder body 6 is socketed on individual prop cylinder body 2 and with list
Pillar body cylinder body 2 is bolted to connection.In the present embodiment, high resiliency diaphragm 9 is provided with elastic fixed hole 10, elastic
Assembly includes limiting plate 5, sealing ring 4, spring 8 and guide post 7, and guide post 7 is fixing with limiting plate 5 to be connected, spring 8 one end
Being fixed on guide post 7, spring 8 other end is fixed on elastic fixed hole 10, and pressure-bearing cylinder 3 is connect with limiting plate 5 by sealing ring 4
Touching, sealing ring 4 simultaneously works as the effect of fixing pressure-bearing cylinder 3.The area of limiting plate 5 is more than the cross-sectional area of pressure-bearing cylinder 3, thus is
Pressure-bearing cylinder 3 provides stable support, prevents position-limiting drum from offseting.Wherein, spring 8 uses high-strength alloy spring 8, to ensure
The bearing capacity of spring 8, it is ensured that the reliability of device, the limited compression length of spring 8 is more than the tilt length of taper seat 11.Hold
Pressure cylinder 3, limiting plate 5 and guide post 7 are positioned on the central axis of high resiliency diaphragm 9, thus ensure the vertical transmission of pressure, from
And ensure that the pressure suffered by high resiliency diaphragm 9 is normal pressure, it is ensured that record the accuracy of deformation at flexible sheet.In the present invention
Another embodiment in, elastic parts includes limiting plate 5, sealing ring 4, hydraulic cylinder and hydraulic stem, hydraulic cylinder and deformation
Induction installation cylinder body 6 is slidably connected, and limiting plate 5 and hydraulic cylinder are fixing to be connected, and it is interior and form hydraulic pressure that hydraulic stem is arranged at hydraulic cylinder
Assembly, hydraulic stem is fixing with flexible sheet to be connected, and pressure-bearing cylinder 3 is contacted with limiting plate 5 by sealing ring 4.Pressure-bearing cylinder 3, limiting plate 5
And hydraulic stem is positioned on the central axis of high resiliency diaphragm 9, thus ensure the vertical transmission of pressure, thus ensure highly elastic film
Pressure suffered by sheet 9 is normal pressure, it is ensured that record the accuracy of deformation at flexible sheet.
Deformation measuring device includes deformation conversion element, infor-mation-carrying wire and message handler, deformation conversion element
Being connected with high resiliency diaphragm 9 and the deformation of high resiliency diaphragm 9 be converted into and can measure signal, deformation measuring device passes through information
Transfer line is connected with message handler.In the present embodiment, deformation conversion element is fiber grating 14, and infor-mation-carrying wire includes
Tail optical fiber, armored optical cable 16 and cable line 17, tail optical fiber, armored optical cable 16 and cable line 17 be sequentially connected with, tail optical fiber and optical fiber light
Grid 14 are connected, and cable line 17 is connected with message handler.Wherein, fiber grating 14 is optical fiber Bragg raster, high resiliency diaphragm 9
Material be 3J2 Fe-Ni-Cr series austenite precipitation strength type high elastic modulus alloy steel.Fiber grating 14 is arranged at high resiliency diaphragm 9
Central axis on.After high resiliency diaphragm 9 stress produces micro-deformation, cause the fiber grating 14 being connected on high resiliency diaphragm 9
Centre wavelength offsets, and by tail optical fiber, armored optical cable 16 and cable line 17, Light deformation is delivered to message handler.At this
In another bright embodiment, deformation conversion element is deposition tube resistance type pressure transducer, and infor-mation-carrying wire is ordinary copper
Matter electric wire, message handler is computer.Pressure transducer is connected with message handler by common copper wires.High resiliency diaphragm
After 9 stress produce Light deformation, the deposition tube resistance type pressure transducer static capacity being connected on high resiliency diaphragm 9 is caused to be sent out
Changing, and then cause the electric current in circuit to change, and by copper wires, curent change is transferred to message handler.
The present invention each ingredient when dispatching from the factory installs, deformation induction device is fixed on by high-strength screw
Individual prop cylinder body 2 is internal.After having fixed, individual prop is vertically arranged, and with the top plate contact of job location.At top board
Under the effect of pressure, there is vertical displacement in individual prop post 1 alive, causes elastic parts generation compression, make high resiliency diaphragm 9
There is Light deformation, by the deformation conversion elements being connected on high resiliency diaphragm 9, deformation signal be converted into and can measure signal,
And by infor-mation-carrying wire, deformation signal is sent to message handler, message handler carries out data analysis and process,
Lower contracting amount to individual prop.
Principle and the embodiment of the present invention are set forth by specific case used herein, saying of above example
Bright method and the core concept thereof being only intended to help to understand the present invention；Simultaneously for one of ordinary skill in the art, foundation
The thought of the present invention, the most all will change.In sum, this specification content is not
It is interpreted as limitation of the present invention.
Claims (9)
1. a mechanical type constant-resistance individual prop deformation monitoring device, it is characterised in that including:
Individual prop cylinder body, individual prop post alive, described individual prop post bottom alive is socketed in described individual prop cylinder body；
Deformation induction device, described deformation induction device includes pressure-bearing cylinder, deformation induction device cylinder body, elastic parts and height
Flexible sheet, described high resiliency diaphragm is arranged in described deformation induction device cylinder body, and described elastic parts is arranged at described shape
Become in induction installation cylinder body, in one end of described pressure-bearing cylinder is socketed on described deformation induction device cylinder body and with described elastic group
Part end thereof contacts, the other end of described pressure-bearing cylinder and described individual prop post bottom of living contacts, another of described elastic parts
End is connected with described high resiliency diaphragm, described deformation induction device cylinder body be socketed on described individual prop cylinder body interior and with described list
Pillar body cylinder body is fixing to be connected；
Deformation measuring device, described deformation measuring device includes deformation conversion element, infor-mation-carrying wire and message handler,
Described deformation conversion element is connected with described high resiliency diaphragm and the deformation of described high resiliency diaphragm is converted into can measure letter
Number, described deformation measuring device is connected with described message handler by described infor-mation-carrying wire.
A kind of mechanical type constant-resistance individual prop deformation monitoring device the most according to claim 1, it is characterised in that described list
The opening of pillar body cylinder body is internal is taper seat, and described individual prop is lived and is provided with elastic ball between post and described taper seat
Body.
A kind of mechanical type constant-resistance individual prop deformation monitoring device the most according to claim 1, it is characterised in that described height
Being provided with elastic fixed hole on flexible sheet, described elastic parts includes limiting plate, sealing ring, spring and guide post, described
Guide post is fixing with described limiting plate to be connected, and described spring one end is fixed on described guide post, and the described spring other end is fixed on
Described elastic fixed hole, described pressure-bearing cylinder is contacted with described limiting plate by described sealing ring.
A kind of mechanical type constant-resistance individual prop deformation monitoring device the most according to claim 3, it is characterised in that described limit
The area of position plate is more than the cross-sectional area of described pressure-bearing cylinder.
A kind of mechanical type constant-resistance individual prop deformation monitoring device the most according to claim 3, it is characterised in that described bullet
Spring is high-strength alloy spring.
A kind of mechanical type constant-resistance individual prop deformation monitoring device the most according to claim 3, it is characterised in that described
Pressure-bearing cylinder, described limiting plate and described guide post are positioned on the central axis of described high resiliency diaphragm.
A kind of mechanical type constant-resistance individual prop deformation monitoring device the most according to claim 1, it is characterised in that described shape
Change conversion element is fiber grating, and described infor-mation-carrying wire includes tail optical fiber, armored optical cable and cable line, described tail optical fiber, institute
Stating armored optical cable and described cable line is sequentially connected with, described tail optical fiber is connected with described fiber grating, and described cable line is with described
Message handler is connected.
A kind of mechanical type constant-resistance individual prop deformation monitoring device the most according to claim 7, it is characterised in that described light
Fine grating is optical fiber Bragg raster, and the material of described high resiliency diaphragm is that 3J2 Fe-Ni-Cr series austenite precipitation strength type is high-elastic
Property steel alloy.
A kind of mechanical type constant-resistance individual prop deformation monitoring device the most according to claim 7, it is characterised in that described light
Fine grating is arranged on the central axis of described high resiliency diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957662.7A CN106323188A (en) | 2016-11-03 | 2016-11-03 | Mechanical constant-resistance single prop deformation monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957662.7A CN106323188A (en) | 2016-11-03 | 2016-11-03 | Mechanical constant-resistance single prop deformation monitoring device |
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| CN106323188A true CN106323188A (en) | 2017-01-11 |
Family
ID=57819469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610957662.7A Pending CN106323188A (en) | 2016-11-03 | 2016-11-03 | Mechanical constant-resistance single prop deformation monitoring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107917664A (en) * | 2017-11-15 | 2018-04-17 | 佛山杰致信息科技有限公司 | A kind of degree of plainness for wall surface measuring apparatus |
| CN112326410A (en) * | 2020-11-02 | 2021-02-05 | 燕山大学 | Device for eliminating deformation interference of testing machine frame |
| CN116164660A (en) * | 2023-04-21 | 2023-05-26 | 安徽省七星工程测试有限公司 | Fiber bragg grating dynamic deflection monitor and monitoring method |
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| US20050265649A1 (en) * | 2004-05-31 | 2005-12-01 | Petroleo Brasileiro S.A. - Petrobras | Optical fiber pH sensor |
| CN1877263A (en) * | 2006-06-30 | 2006-12-13 | 哈尔滨工业大学 | Fiber grating sensor for simultaneously measuring displacement and pressure |
| CN101526351A (en) * | 2008-03-04 | 2009-09-09 | 安里千 | Rod type strata displacement monitor and system |
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| CN107917664A (en) * | 2017-11-15 | 2018-04-17 | 佛山杰致信息科技有限公司 | A kind of degree of plainness for wall surface measuring apparatus |
| CN112326410A (en) * | 2020-11-02 | 2021-02-05 | 燕山大学 | Device for eliminating deformation interference of testing machine frame |
| CN116164660A (en) * | 2023-04-21 | 2023-05-26 | 安徽省七星工程测试有限公司 | Fiber bragg grating dynamic deflection monitor and monitoring method |
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Inventor after: Zhang Jixiong Inventor after: Zhang Qiang Inventor after: Li Meng Inventor after: Deng Xuejie Inventor after: Zhou Nan Inventor before: Jiu Yaliang Inventor before: Cui Can Inventor before: Liu Huaping |
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Effective date of registration: 20170620 Address after: 221008 Jiangsu city of Xuzhou province university Quanshan District Road No. 1 Applicant after: China University of Mining & Technology Address before: 214000 Jiangsu city of Wuxi province Jiangyin City Port Street innovation village Shen Zhuang Road No. 26 Applicant before: Jiangsu CMLX Energy Technology Co.,Ltd. |
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