CN206638156U - Tunnel portion of side displacement meter - Google Patents
Tunnel portion of side displacement meter Download PDFInfo
- Publication number
- CN206638156U CN206638156U CN201720383762.3U CN201720383762U CN206638156U CN 206638156 U CN206638156 U CN 206638156U CN 201720383762 U CN201720383762 U CN 201720383762U CN 206638156 U CN206638156 U CN 206638156U
- Authority
- CN
- China
- Prior art keywords
- bar
- displacement
- outer sleeve
- tunnel
- slide rheostat
- 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
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model discloses a kind of tunnel side portion's displacement meter, including interior bar, outer sleeve, displacement bar, fix bar, slide rheostat, displacement display table, pre-load nut, power switch and power supply；One end of the outer sleeve is connected with the upper end of the displacement bar, the other end insertion tunnel portion of side of the outer sleeve is simultaneously anchored on broken rock area by the pre-load nut, one end of the interior bar is connected with the upper end of the fix bar, and the other end of the interior bar through the outer sleeve and is fixed on stable rock stratum area；The lower end of the fix bar is connected with the C-terminal of the slide rheostat, and the lower end of the displacement bar is connected with the slide plate of the slide rheostat.The utility model improves the convenience and high efficiency of measurement, improves the accuracy of measurement result, reduces operating process to artificial dependence, saves labour, reduce the obstruction to pedestrian and driving, reduce the influence to production operation；It is simple in construction, reduce measurement cost.
Description
Technical field
It the utility model is related to strata behavior analysis of roadway observation field, and in particular to a kind of tunnel side portion's displacement meter.
Background technology
Tunnel portion of side displacement meter is the conventional pressure observation instrument in colliery, and tunnel portion of side is measured mainly in pressure observation
Displacement.
At present, ore pressure monitor mainly measures roadway deformation amount using " cross distribution point method ".Surveyed using " cross distribution point method "
, it is necessary to install Short bolt, iron short wooden stake or spray painting in tunnel portion of side during amount, and aid in external testing tool for example survey line, measuring staff,
The survey tools such as tape measure, because measurement process complexity is cumbersome, survey crew easily produces error in reading, influences measurement result
Accuracy, measurement two helps distance to belong to two and helps contact type measurement, needs at least two people to arrange in pairs or groups measurement, both wastes of manpower, influences again
Normal construction, pedestrian and driving, influence being normally carried out for production operation.
, it is necessary to which multiple types of tools is used cooperatively, measurement process is multiple in the place that current tunnel portion of side displacement comes with some shortcomings
Miscellaneous cumbersome, many places in measurement process need manual operation, very big to the dependency degree of people；Manual operation certainly exists one
Individual human error, directly affects measurement result, and measurement accuracy is not high enough.In measurement process, pedestrian and driving are influenceed, to normal
Construction infection is larger, and at least needs when measure two people to coordinate, waste of manpower, and measurement cost is higher.
The shortcomings that in order to overcome existing tunnel side portion's displacement meter, improve the convenience and high efficiency used, its measurement result
Accuracy and the convenience of operation greatly improve, can not only save substantial amounts of manpower, and can be while measurement just
Often construction, does not influence pedestrian and is open to traffic, ensure that being normally carried out for production operation
Utility model content
For in the prior art the defects of, the utility model provides a kind of tunnel side portion's displacement meter, to improve measurement just
Victory and high efficiency, the accuracy of measurement result is improved, reduce operating process to artificial dependence, save labour, reduce
To pedestrian and the obstruction of driving, the influence to production operation is reduced；It is simple in construction, reduce measurement cost.
A kind of tunnel Bang Bu top layers displacement meter, including interior bar, outer sleeve, displacement bar, fix bar, slide rheostat, displacement
Show table, pre-load nut, power switch and power supply；One end of the outer sleeve is connected with the upper end of the displacement bar, described outer
The other end insertion tunnel portion of side of sleeve is simultaneously anchored on broken rock area, one end of the interior bar and institute by the pre-load nut
The upper end connection of fix bar is stated, the other end of the interior bar through the outer sleeve and is fixed on stable rock stratum area；The fixation
The lower end of bar is connected with the C-terminal of the slide rheostat, and the lower end of the displacement bar is connected with the slide plate of the slide rheostat,
The power supply, power switch, each binding post of displacement display table and slide rheostat are conductively connected and form closure successively
Series circuit, and then form the resistance that the displacement bar drives the slide plate to slide and changes slide rheostat access series circuit
The structure of value
Preferably, the interior bar is slidably connected with the outer sleeve.Make the movement of outer sleeve not influenceed by interior bar, improve
The degree of accuracy of measurement.
Preferably, the outer surface of the outer sleeve is provided with the screw thread being adapted to the pre-load nut.
Preferably, it is provided between the pre-load nut and tunnel portion of side and is used to increase pre-load nut and tunnel portion of side acting surface
Long-pending pallet.Outer sleeve is contacted with tunnel portion of side more firm, the displacement in tunnel portion of side is timely passed into outer sleeve, realize
Synchronizing moving.
Preferably, the glide direction of the slide plate is consistent with the moving direction of the displacement bar.Slide plate is set to become along slip
The axial direction for hindering device slides, and protects slide rheostat, improves the life-span of slide rheostat.
The beneficial effects of the utility model are embodied in：
The utility model includes interior bar, outer sleeve, displacement bar, fix bar, slide rheostat, displacement display table, pretension spiral shell
Female, power switch and power supply, conventional equipment, production cost are low.One end of the outer sleeve is connected with the upper end of the displacement bar
And the other end of the outer sleeve, which inserts tunnel portion of side and is seated by the pre-load nut, is fixed in broken rock area, described interior
One end of bar is connected with the upper end of the fix bar and the other end of the interior bar is inserted through the outer sleeve and broken rock
Stable rock stratum area is fixed in area；Equipment is less demanding to installation accuracy, and the installation of outer sleeve and interior bar is simple and convenient, utilizes tunnel
Displacement caused by portion of side promotes outer sleeve to be allowed to produce displacement, realizes synchronizing moving.The lower end of the fix bar and the cunning
Dynamic rheostatic C-terminal connection, the lower end of the displacement bar are connected with the slide plate of the slide rheostat, and the power supply, power supply are opened
Each binding post of pass, displacement display table and slide rheostat is conductively connected and forms closure series circuit successively, and then shape
Drive the slide plate to slide into the displacement bar and change the structure of the resistance of slide rheostat access series circuit.Work as tunnel
Portion of side makees the resistance of slide rheostat access series circuit due to when convergence displacement occurs for stoping operation, driving slide plate to slide
Go out corresponding change, displacement shown by displacement display table, measurement process does not need manual operation, reduce to it is artificial according to
Lai Xing, save labour；Device structure is simple, and measurement cost is low, does not need operation downtime during measurement, few to pedestrian and driving
Hinder, reduce the influence to production operation.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art.In all of the figs, it is similar
Element or part are typically identified by similar reference.In accompanying drawing, each element or part might not be according to the ratios of reality
Draw.
Fig. 1 is structural representation of the present utility model.
In accompanying drawing, 1- interior bars, 2- outer sleeves, 3- displacement bars, 4- fix bars, 5- slide rheostats, 6- displacements display table, 7-
Pre-load nut, 8- power switches, 9- power supplys, 10- tunnels, 11- tunnels portion of side, 12- broken rocks area, the stable rock stratum areas of 13-,
14- pallets
Embodiment
The embodiment of technical solutions of the utility model is described in detail below in conjunction with accompanying drawing.Following examples are only
For clearly illustrating the technical solution of the utility model, therefore example is only used as, and this practicality can not be limited with this
New protection domain.
It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this reality
The ordinary meaning understood with new one of ordinary skill in the art.
As shown in figure 1, the utility model includes interior bar 1, outer sleeve 2, displacement bar 3, fix bar 4, slide rheostat
5th, displacement shows table 6, pre-load nut 7, power switch 8 and power supply 9；The left end of outer sleeve 2 is connected with the upper end of displacement bar 3, outside
The right-hand member insertion tunnel portion of side 11 of sleeve 2 is simultaneously anchored on broken rock area 12 by pre-load nut 7, and the outer surface of outer sleeve 2 is set
There is the screw thread being adapted to pre-load nut 7, be provided between pre-load nut 7 and tunnel portion of side 11 and be used to increase pre-load nut 7 and tunnel
The pallet 14 of the active area of portion of side 11, tightens pre-load nut 7, pallet 14 is pressed in tunnel portion of side 11, so that outer sleeve 2
Contacted with tunnel portion of side 11 more firm；With tunnel portion of side 11 displacement and promote pallet 14 so that drive outer sleeve 2 produce position
Move, because outer sleeve 2 is fastened on tunnel portion of side 11, displacement is passed into outer sleeve 2 in time, realizes synchronizing moving, is improved
Accuracy of measurement.The left end of interior bar 1 is connected with the upper end of fix bar 4 and the right-hand member of interior bar 1 passes through outer sleeve 2 and broken rock
Stable rock stratum area 13 is fixed in area 12, and interior bar 1 is slidably connected with outer sleeve 2, make outer sleeve 2 it is mobile when not by the shadow of interior bar 1
Ring, improve the degree of accuracy of measurement.The lower end of fix bar 4 is connected with the C-terminal of slide rheostat 5, and the lower end of displacement bar 3 becomes with sliding
The slide plate connection of device 5 is hindered, the slip of slide plate forms relative displacement, and the glide direction of slide plate and position with the C-terminal of dynamic rheostat 5
The moving direction of shifting bar 3 is consistent, slides axial direction of the slide plate along slide rheostat 5, protects slide rheostat 5, improves
The life-span of slide rheostat 5.Power supply 9, power switch 8, each binding post of displacement display table 6 and slide rheostat 5 are led successively
Electrically connect and form closure series circuit, and then form the drive slide plate slip of displacement bar 3 and change slide rheostat 5 and access
The structure of the resistance of series circuit.The C-terminal binding post of the positive pole of power supply 9 and slide rheostat 5 is conductively connected, slide rheostat 5
A binding post of B termination terminal and power switch 8 be conductively connected, another binding post of power switch 8 and displacement are shown
The positive terminal connection of table 6, displacement show that the negative terminal of table 6 is connected with the negative pole of power supply 9 and then forms closure series connection
Circuit.The resistance variations that displacement display table 6 accesses slide rheostat 5 in circuit are converted into the swing of pointer, and displacement shows table 6
Dial is provided with shift value, and the signified shift value of reading pointer can obtain the displacement in tunnel portion of side 11.Measured
Journey does not need manual operation, reduces to artificial dependence, saves labour, and device structure is simple, and measurement cost is low, measurement
When do not need operation downtime, it is few to pedestrian and the obstruction of driving, reduce the influence to production operation.
Tunnel portion of side 11 in the present embodiment refers to the top layer palisades in the broken rock area 12 on the both sides of tunnel 10, compares kata-rocks
Formation area 13 is is stablized in the region of the deeper of floor area 12, because broken rock area 12 is unstable, it is possible to offset phenomena occur.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type, it all should cover among claim of the present utility model and the scope of specification.
Claims (5)
- A kind of 1. tunnel side portion's displacement meter, it is characterised in that：Including interior bar, outer sleeve, displacement bar, fix bar, slide rheostat, Displacement shows table, pre-load nut, power switch and power supply；One end of the outer sleeve is connected with the upper end of the displacement bar, institute State the other end insertion tunnel portion of side of outer sleeve and broken rock area, one end of the interior bar are anchored on by the pre-load nut It is connected with the upper end of the fix bar, the other end of the interior bar through the outer sleeve and is fixed on stable rock stratum area；It is described The lower end of fix bar is connected with the C-terminal of the slide rheostat, the lower end of the displacement bar and the slide plate of the slide rheostat Connection, the power supply, power switch, each binding post of displacement display table and slide rheostat are conductively connected and formed successively Series circuit is closed, and then forms the displacement bar and drives the slide plate to slide and change slide rheostat access series circuit Resistance structure.
- 2. tunnel side according to claim 1 portion's displacement meter, it is characterised in that：The interior bar is slided with the outer sleeve to be connected Connect.
- 3. tunnel side according to claim 1 portion's displacement meter, it is characterised in that：The outer surface of the outer sleeve is provided with and institute State the screw thread of pre-load nut adaptation.
- 4. tunnel side according to claim 1 portion's displacement meter, it is characterised in that：Between the pre-load nut and tunnel portion of side Provided with the pallet for increasing pre-load nut and tunnel portion of side active area.
- 5. tunnel side according to claim 1 portion's displacement meter, it is characterised in that：The glide direction of the slide plate and institute's rheme The moving direction for moving bar is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720383762.3U CN206638156U (en) | 2017-04-12 | 2017-04-12 | Tunnel portion of side displacement meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720383762.3U CN206638156U (en) | 2017-04-12 | 2017-04-12 | Tunnel portion of side displacement meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206638156U true CN206638156U (en) | 2017-11-14 |
Family
ID=60248605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720383762.3U Expired - Fee Related CN206638156U (en) | 2017-04-12 | 2017-04-12 | Tunnel portion of side displacement meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206638156U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729950A (en) * | 2018-04-24 | 2018-11-02 | 中铁十六局集团第二工程有限公司 | It is a kind of to directly display the convergent device of tunnel surrounding |
| CN111006574A (en) * | 2019-11-15 | 2020-04-14 | 山东科技大学 | Equipment and method for measuring displacement of roadway wall part |
-
2017
- 2017-04-12 CN CN201720383762.3U patent/CN206638156U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729950A (en) * | 2018-04-24 | 2018-11-02 | 中铁十六局集团第二工程有限公司 | It is a kind of to directly display the convergent device of tunnel surrounding |
| CN111006574A (en) * | 2019-11-15 | 2020-04-14 | 山东科技大学 | Equipment and method for measuring displacement of roadway wall part |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104964921B (en) | A kind of steel bar corrosion degree detection system and detection method | |
| CN206638156U (en) | Tunnel portion of side displacement meter | |
| CN108802417B (en) | Method and system for measuring flow speed and flow direction of water flow in multi-borehole aquifer | |
| CN110989012B (en) | Accurate electromagnetic measuring method for underground pipeline depth and pipeline instrument device | |
| CN106646620B (en) | Three-direction controllable resistivity method experiment electrode device and method | |
| CN105333904A (en) | Coal rock upward borehole gas parameter measurement method | |
| CN106225850A (en) | A kind of temp.-humidity measuring apparatus | |
| CN103557934B (en) | Device for measuring light distribution in crop canopy | |
| CN107272082B (en) | The analogy method of water content in a kind of quantitative detection coal seam | |
| CN202548085U (en) | Detection device for burial depth of dam cut-off wall | |
| CN205981293U (en) | Humiture measurement instrument | |
| CN207423101U (en) | A kind of coal mine roadway roof and floor displacement measuring device based on resistance | |
| CN203502015U (en) | Special measuring scale for horizontal displacement by collimation line method | |
| CN203687823U (en) | Mining telescopic measuring rod | |
| CN209485862U (en) | A kind of buried concrete stray electrical current and cyclical impact loading pilot system | |
| CN201620874U (en) | Nine-parameter logging instrument | |
| CN103277090B (en) | Based on drill rod orientation method and the device of dipulse magnetic moment measurement | |
| CN217931811U (en) | Rail insulation integrated test recorder based on GPS time synchronization | |
| CN206706723U (en) | A kind of static sounding probe containing determination of resistivity suitable for swelling ground soil | |
| CN203929896U (en) | Anti-explosion digital earth resistance tester | |
| CN104408997A (en) | Novel electrostatic field tracer | |
| CN211904120U (en) | Slope measuring instrument suitable for field investigation of soil and water conservation | |
| CN205027414U (en) | Dam body hydrostatic level normal position automatic monitoring system | |
| CN213021388U (en) | Highway side slope measuring device | |
| CN206891435U (en) | Construction engineering cost field surveys device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20190412 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |