CN206281464U - A kind of mechanical constant-resistance individual prop deformation monitoring device - Google Patents
A kind of mechanical constant-resistance individual prop deformation monitoring device Download PDFInfo
- Publication number
- CN206281464U CN206281464U CN201621182379.3U CN201621182379U CN206281464U CN 206281464 U CN206281464 U CN 206281464U CN 201621182379 U CN201621182379 U CN 201621182379U CN 206281464 U CN206281464 U CN 206281464U
- Authority
- CN
- China
- Prior art keywords
- deformation
- individual prop
- cylinder body
- high resiliency
- monitoring device
- Prior art date
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of mechanical constant-resistance individual prop deformation monitoring device, it is related to coal mining projects technical field, the utility model includes individual prop cylinder body, individual prop live post, deformation induction device and deformation measuring device.Individual prop live post bottom is socketed in the individual prop cylinder body, deformation induction device includes pressure-bearing cylinder, deformation induction device cylinder body, elastic parts and high resiliency diaphragm, and deformation measuring device includes deformation conversion element, infor-mation-carrying wire and message handler.There is vertical displacement in individual prop live post, cause elastic parts that compression occurs, make high resiliency diaphragm that Light deformation to occur, by the deformation conversion elements being connected on high resiliency diaphragm, deformation signal is converted into measurable signal, and by infor-mation-carrying wire, deformation signal is sent to message handler.Device volume of the present utility model is small, and certainty of measurement is high, it is possible to achieve dynamic monitoring and data storage, simple to operate flexible, effectively improves operating efficiency.
Description
Technical field
The utility model is related to coal mining projects technical field, more particularly to a kind of mechanical constant-resistance individual prop shape
Become monitoring device.
Background technology
In progress of coal mining, reinforcement branch is carried out in stope and the tunnel supporting widely used individual prop in pressure influence area
Shield, 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 larger bending subsidence in a short time, with the increase of supercoated stress, individual prop can produce compression, bending
Deformation, or even fracture, cause supporting to fail.
At present, the decrement of pillar is obtained frequently with the method that scale is indicated on monomer column, at the beginning of by reading pillar
Support plate and in roof weighting pillar certain point scale difference, obtain the decrement of pillar, but be limited by underground work ring
Border and the limitation of workman's efficiency, can not large area, the timely decrement for dynamically obtaining pillar.
Therefore, in the market is badly in need of a kind of mechanical constant-resistance individual prop deformation monitoring device, is used to solve in monitoring pillar
Decrement when, it is impossible to large area, in time dynamically obtain pillar decrement problem.
Utility model content
The purpose of this utility model is to provide a kind of mechanical constant-resistance individual prop deformation monitoring device, is used to solve instantly
When the decrement of pillar is monitored, it is impossible to large area, the problem of the timely decrement for dynamically obtaining pillar.
To achieve the above object, the utility model provides following scheme：
A kind of mechanical constant-resistance individual prop deformation monitoring device, including：
Individual prop cylinder body, individual prop live post, the individual prop live post bottom are socketed on the individual prop cylinder body
It is interior；
Deformation induction device, the deformation induction device include pressure-bearing cylinder, deformation induction device cylinder body, elastic parts with
And high resiliency diaphragm, the high resiliency diaphragm is arranged in the deformation induction device cylinder body, and the elastic parts is arranged at institute
State in deformation induction device cylinder body, one end of pressure-bearing cylinder be socketed in the deformation induction device cylinder body and with the bullet
Property component end thereof contacts, the other end of pressure-bearing cylinder is in contact with the individual prop live post bottom, the elastic parts
The other end is connected with the high resiliency diaphragm, the deformation induction device cylinder body be socketed in the individual prop cylinder body and with institute
Individual prop cylinder body is stated to be fixedly connected；
Deformation measuring device, the deformation measuring device is included at deformation conversion element, infor-mation-carrying wire and information
Reason device, the deformation conversion element is connected with the high resiliency diaphragm and the deformation of the high resiliency diaphragm is converted into and can be surveyed
Amount signal, the deformation measuring device is connected by described information transfer line with described information processor.
Preferably, the openend inside of the individual prop cylinder body is circular conical surface, the individual prop live post and the circle
Elastic sphere is provided between the conical surface.
Preferably, flexible fixed hole is set on the high resiliency diaphragm, and the elastic parts includes limiting plate, sealing
Circle, spring and guide post, the guide post are fixedly connected with the limiting plate, and the spring one end is fixed on the guiding
Bar, the spring other end is fixed on the elastic fixed hole, and the pressure-bearing cylinder is connect by the sealing ring with the limiting plate
Touch.
Preferably, cross-sectional area of the area of the limiting plate more than pressure-bearing cylinder.
Preferably, the spring is high-strength alloy spring.
Preferably, described pressure-bearing cylinder, the limiting plate and the guide post are located at the center of the high resiliency diaphragm
On axis.
Preferably, the deformation conversion element be fiber grating, described information transfer line include tail optical fiber, armored optical cable with
And cable line, the tail optical fiber, the armored optical cable and the cable line be sequentially connected, the tail optical fiber and the fiber grating phase
Even, the cable line is connected with described information processor.
Preferably, the fiber grating is optical fiber Bragg raster, and the material of the high resiliency diaphragm is 3J2 Fe-Ni-Crs
Series austenite precipitation strength type high elastic modulus alloy steel.
Preferably, the fiber grating is arranged on the central axis of the high resiliency diaphragm.
The utility model achieves following technique effect relative to prior art：
By setting deformation induction device of the present utility model and deformation measuring device, can in real time, dynamically obtain
The every decrement and stress size of individual prop, monitor the deformation of every individual prop of mining roadway, are mining roadway top board
Management and maintenance provide important guiding effect, are that downhole coal mine workman life security and safe coal high-efficiency mining provide safeguard.
Meanwhile, device volume of the present utility model is small, and certainty of measurement is high, it is possible to achieve dynamic monitoring and data storage, behaviour
Make simple and flexible, effectively improve operating efficiency.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is a kind of structural representation of mechanical constant-resistance individual prop deformation monitoring device of the utility model embodiment；
Wherein, 1- individual props live post, 2- individual props cylinder body, 3- pressure-bearings cylinder, 4- sealing rings, 5- limiting plates, 6- deformation
Induction installation cylinder body, 7- guide posts, 8- springs, 9- high resiliency diaphragm, 10- elasticity fixed hole, 11- circular conical surfaces, 12- elastic balls
Body, 13- screwed holes, 14- fiber gratings, 15- tail optical fibers, 16- armored optical cables, 17- cable lines.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
The purpose of this utility model is to provide a kind of mechanical constant-resistance individual prop deformation monitoring device, is used to solve in prison
When surveying the decrement of pillar, it is impossible to large area, the problem of the timely decrement for dynamically obtaining pillar.
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool
Body implementation method is described in further detail to the utility model.
Fig. 1 is a kind of structural representation of mechanical constant-resistance individual prop deformation monitoring device of the utility model embodiment；
The utility model discloses a kind of mechanical constant-resistance individual prop deformation monitoring device, including：Individual prop live post
1st, individual prop cylinder body 2, pressure-bearing cylinder 3, sealing ring 4, limiting plate 5, deformation induction device cylinder body 6, guide post 7, spring 8, high-elastic
Property diaphragm 9, elastic fixed hole 10, circular conical surface 11, elastic sphere 12, screwed hole 13, fiber grating 14, tail optical fiber 15, armored optical cable
16th, cable line 17.
Wherein, the bottom of individual prop live post 1 is socketed in individual prop cylinder body 2；Inside the openend of individual prop cylinder body 2
It is circular conical surface 11, elastic sphere 12 is provided between individual prop live post 1 and circular conical surface 11.Elastic sphere 12 is stuck in individual prop
On circular conical surface 11 between cylinder body 2 and individual prop live post 1, the displacement of limitation individual prop live post 1.
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
3 one end be socketed in deformation induction device cylinder body 6 and with elastic parts end thereof contacts, the other end and monomer branch of pressure-bearing cylinder 3
The bottom of post live post 1 is in contact, and the other end of elastic parts is connected with high resiliency diaphragm 9, the bottom of individual prop cylinder body 2 and deformation
The bottom of induction installation cylinder body 6 is provided with screwed hole 13, deformation induction device cylinder body 6 be socketed in individual prop cylinder body 2 and with list
Pillar body cylinder body 2 is bolted to connection.In the present embodiment, flexible fixed hole 10 is set on high resiliency diaphragm 9, elasticity
Component includes limiting plate 5, sealing ring 4, spring 8 and guide post 7, and guide post 7 is fixedly connected with limiting plate 5, the one end of spring 8
It is fixed on guide post 7, the other end of spring 8 is fixed on elastic fixed hole 10, pressure-bearing cylinder 3 is connect by sealing ring 4 with limiting plate 5
Touch, sealing ring 4 plays a part of fixed pressure-bearing cylinder 3 simultaneously.The area of limiting plate 5 is more than the cross-sectional area of pressure-bearing cylinder 3, so as to be
Pressure-bearing cylinder 3 provides the support of stabilization, prevents position-limiting drum from shifting.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 tilt length of the limited compression length more than circular conical surface 11 of spring 8.Hold
Pressure cylinder 3, limiting plate 5 and guide post 7 are located on the central axis of high resiliency diaphragm 9, so that 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 the accuracy of deformation is measured at flexible sheet.In this practicality
In another new embodiment, elastic parts includes limiting plate 5, sealing ring 4, hydraulic cylinder and hydraulic stem, hydraulic cylinder with
Deformation induction device cylinder body 6 is slidably connected, and limiting plate 5 is fixedly connected with hydraulic cylinder, and hydraulic stem is arranged in hydraulic cylinder and is formed
Hydraulic package, hydraulic stem is fixedly connected with flexible sheet, and pressure-bearing cylinder 3 is contacted by sealing ring 4 with limiting plate 5.Pressure-bearing cylinder 3, limit
Position plate 5 and hydraulic stem are located on the central axis of high resiliency diaphragm 9, so that ensure the vertical transmission of pressure, so as to ensure height
Pressure suffered by flexible sheet 9 is normal pressure, it is ensured that the accuracy of deformation is measured at flexible sheet.
Deformation measuring device includes deformation conversion element, infor-mation-carrying wire and message handler, deformation conversion element
It is connected with high resiliency diaphragm 9 and the deformation of high resiliency diaphragm 9 is converted into measurable 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 is included
Tail optical fiber, armored optical cable 16 and cable line 17, tail optical fiber, armored optical cable 16 and cable line 17 are sequentially connected, 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 the stress of high resiliency diaphragm 9 produces micro- deformation, cause the fiber grating 14 being connected on high resiliency diaphragm 9
Centre wavelength is shifted, and Light deformation is delivered into message handler by tail optical fiber, armored optical cable 16 and cable line 17.In this reality
With in another new embodiment, deformation conversion element is deposition tube resistance type pressure sensor, and infor-mation-carrying wire is general
Logical copper wires, message handler is computer.Pressure sensor is connected by common copper wires with message handler.High resiliency
After the stress of diaphragm 9 produces Light deformation, cause the deposition tube resistance type pressure sensor direct capacitance being connected on high resiliency diaphragm 9
Amount changes, and then causes the electric current in circuit to change, and curent change is transferred at information by copper wires
Reason device.
The utility model each part when dispatching from the factory has been installed, and is consolidated deformation induction device by high-strength screw
It is scheduled on inside individual prop cylinder body 2.After the completion of fixation, individual prop is arranged vertically, and with the top plate contact of job location.
In the presence of roof pressure, there is vertical displacement in individual prop live post 1, cause elastic parts that compression occurs, and make high resiliency
There is Light deformation in diaphragm 9, by the deformation conversion elements being connected on high resiliency diaphragm 9, deformation signal is converted into measurable
Signal, and by infor-mation-carrying wire, deformation signal is sent to message handler, by message handler carry out data analysis and
Reason, obtains the lower contracting amount of individual prop.
Specific case used herein is set forth to principle of the present utility model and implementation method, above example
Explanation be only intended to help and understand method of the present utility model and its core concept；Simultaneously for the general technology of this area
Personnel, according to thought of the present utility model, will change in specific embodiments and applications.In sum,
This specification content should not be construed as to limitation of the present utility model.
Claims (9)
1. a kind of mechanical constant-resistance individual prop deformation monitoring device, it is characterised in that including：
Individual prop cylinder body, individual prop live post, the individual prop live post bottom are socketed in the individual prop cylinder body；
Deformation induction device, the deformation induction device includes pressure-bearing cylinder, deformation induction device cylinder body, elastic parts and height
Flexible sheet, the high resiliency diaphragm is arranged in the deformation induction device cylinder body, and the elastic parts is arranged at the shape
Become in induction installation cylinder body, one end of pressure-bearing cylinder be socketed in the deformation induction device cylinder body and with described elastic group
Part end thereof contacts, the other end of pressure-bearing cylinder is in contact with the individual prop live post bottom, the elastic parts it is another
End be connected with the high resiliency diaphragm, the deformation induction device cylinder body be socketed on the individual prop cylinder body it is interior and with the list
Pillar body cylinder body is fixedly connected；
Deformation measuring device, the deformation measuring device includes deformation conversion element, infor-mation-carrying wire and message handler,
The deformation conversion element is connected with the high resiliency diaphragm and the deformation of the high resiliency diaphragm is converted into measurable letter
Number, the deformation measuring device is connected by described information transfer line with described information processor.
2. a kind of mechanical constant-resistance individual prop deformation monitoring device according to claim 1, it is characterised in that the list
The openend inside of pillar body cylinder body is circular conical surface, and elastic ball is provided between the individual prop live post and the circular conical surface
Body.
3. a kind of mechanical constant-resistance individual prop deformation monitoring device according to claim 1, it is characterised in that the height
Flexible fixed hole is set on flexible sheet, and the elastic parts includes limiting plate, sealing ring, spring and guide post, described
Guide post is fixedly connected with the limiting plate, and the spring one end is fixed on the guide post, and the spring other end is fixed on
The elastic fixed hole, the pressure-bearing cylinder is contacted by the sealing ring with the limiting plate.
4. a kind of mechanical constant-resistance individual prop deformation monitoring device according to claim 3, it is characterised in that the limit
The cross-sectional area of the area more than pressure-bearing cylinder of position plate.
5. a kind of mechanical constant-resistance individual prop deformation monitoring device according to claim 3, it is characterised in that the bullet
Spring is high-strength alloy spring.
6. a kind of mechanical constant-resistance individual prop deformation monitoring device according to claim 3, it is characterised in that described
Pressure-bearing cylinder, the limiting plate and the guide post are located on the central axis of the high resiliency diaphragm.
7. a kind of mechanical constant-resistance individual prop deformation monitoring device according to claim 1, it is characterised in that the shape
It is fiber grating to become conversion element, and described information transfer line includes tail optical fiber, armored optical cable and cable line, the tail optical fiber, institute
State armored optical cable and the cable line be sequentially connected, the tail optical fiber is connected with the fiber grating, the cable line with it is described
Message handler is connected.
8. a kind of mechanical constant-resistance individual prop deformation monitoring device according to claim 7, it is characterised in that the light
Fine grating is optical fiber Bragg raster, and the material of the high resiliency diaphragm is that 3J2 Fe-Ni-Cr series austenite precipitation strength types are high-elastic
Property steel alloy.
9. a kind of mechanical constant-resistance individual prop deformation monitoring device according to claim 7, it is characterised in that the light
Fine grating is arranged on the central axis of the high resiliency diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621182379.3U CN206281464U (en) | 2016-11-03 | 2016-11-03 | A kind of mechanical constant-resistance individual prop deformation monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621182379.3U CN206281464U (en) | 2016-11-03 | 2016-11-03 | A kind of mechanical constant-resistance individual prop deformation monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206281464U true CN206281464U (en) | 2017-06-27 |
Family
ID=59083146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621182379.3U Expired - Fee Related CN206281464U (en) | 2016-11-03 | 2016-11-03 | A kind of mechanical constant-resistance individual prop deformation monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206281464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323188A (en) * | 2016-11-03 | 2017-01-11 | 江苏中矿立兴能源科技有限公司 | Mechanical constant-resistance single prop deformation monitoring device |
-
2016
- 2016-11-03 CN CN201621182379.3U patent/CN206281464U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323188A (en) * | 2016-11-03 | 2017-01-11 | 江苏中矿立兴能源科技有限公司 | Mechanical constant-resistance single prop deformation monitoring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103018106B (en) | A kind of can the experiment porch of control simulation piestic water loading and coal seam floor failure relation | |
| CN103233777B (en) | A kind of roof safety ore pressure monitor method and device | |
| CN107478370B (en) | Device and method for monitoring displacement and strain stress of whole roadway | |
| CN201696091U (en) | Mine ground pressure displacement monitoring system | |
| CN104142187A (en) | Gob-side entry retaining pasty filler on-line detection method | |
| CN103528731B (en) | A kind of coal mine paste filling on-line monitoring system based on optical fiber grating sensing | |
| CN102839693B (en) | Increase resistive shape anchor pole/anchorage cable anchoring quality monitoring device and application process | |
| CN103362552A (en) | Distributed optical fiber grating anchor rod group stress monitoring system for coal mine roadway | |
| CN103257009A (en) | Working face mine pressure on-line monitoring system based on fiber grating sensing | |
| CN102021919A (en) | Foundation pit wireless monitoring and alarming device and monitoring method | |
| CN204007961U (en) | Gob-side entry retaining lotion obturator on-line monitoring system | |
| CN103528732A (en) | Coal mine goaf top plate strain monitoring system and method based on fiber bragg grating sensing | |
| CN105759010B (en) | A kind of dynamic monitoring of mining influence tunnel and Stability Assessment method | |
| CN106323188A (en) | Mechanical constant-resistance single prop deformation monitoring device | |
| CN206281464U (en) | A kind of mechanical constant-resistance individual prop deformation monitoring device | |
| Fuławka et al. | Monitoring of the stability of underground workings in Polish copper mines conditions | |
| CN103335631A (en) | Online stratum movement monitoring device and method | |
| CN205593681U (en) | Mining anchor rod force measurer | |
| CN112378741A (en) | Acoustic emission probe fixing device and method for indoor rock mechanical test | |
| CN102183202A (en) | Borehole wall deformation sensor and test method thereof | |
| CN105806544B (en) | A kind of mining random lossless optical fiber Bragg raster individual prop pressure sensor systems of high pressure | |
| CN206035534U (en) | Super dark shaft earth pressure dynamic monitoring system | |
| CN205977278U (en) | Judge device of tunnel stability | |
| CN212452620U (en) | Intelligent anchor rod controlled by hydraulic servo system | |
| CN205140157U (en) | Contact mud -rock flow monitoring devices |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 Termination date: 20171103 |