CN106885504A - Mining multifunctional top board detector for displacement measuring - Google Patents
Mining multifunctional top board detector for displacement measuring Download PDFInfo
- Publication number
- CN106885504A CN106885504A CN201710221315.2A CN201710221315A CN106885504A CN 106885504 A CN106885504 A CN 106885504A CN 201710221315 A CN201710221315 A CN 201710221315A CN 106885504 A CN106885504 A CN 106885504A
- Authority
- CN
- China
- Prior art keywords
- moving lever
- fix bar
- top board
- displacement measuring
- liquid level
- 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.)
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The present invention relates to a kind of mining multifunctional top board detector for displacement measuring, including fix bar, the lower end of fix bar is connected with base, locating dowel is fixedly connected with base, the retaining spring being vertically arranged is arranged with locating dowel, the moving lever being vertically arranged is arranged with fix bar, the centre of moving lever is fixedly connected with limited location snap ring, the upper end of fix bar is provided with the annular boss used cooperatively with limited location snap ring, O-ring seals are set with the outer wall of moving lever lower end, by O-ring seals, moving lever, fix bar, the space that base is surrounded forms working cavities, working cavities are built with observation liquid, the liquid level gauge being vertically arranged is fixedly connected with the outer wall of solid rod, the lower end body of rod of fix bar is provided with through hole, working cavities are connected by through hole with liquid level gauge.The apparatus structure is simple, cheap, easily operated, and the displacement between the displacement between the roof and floor of tunnel or goaf roof and floor can be monitored in wet condition, and certainty of measurement is high.
Description
Technical field
The present invention relates to mining equipment technical field, more particularly to a kind of mining multifunctional top board detector for displacement measuring.
Background technology
Generally require to study the mine pressure control of mine during underground coal mine is exploited, prior art master
The top in observation tunnel, left and right two amount of shifting near helped of the base plate amount of shifting near and tunnel are observed using mechanical measuring staff, adopted
The Dynamic Subsidence amount of rear tight roof is observed during with mechanical roof dynamic monitor to working face mining.
The structure of mechanical measuring staff be a slide bar with millimeter scale be arranged on fix bar of the bottom with spring it
In, its bottom is arranged on the base plate in tunnel to be measured or goaf when using, upper end withstands on back or goaf
On top board, reading is read from slide bar scale, add the length of fix bar, the as height between the roof and floor of tunnel or goaf
Height between roof and floor.When tunnel or goaf top plate sink, slide bar is forced to being moved down in fix bar, its number of division for moving down
The as amount of crushing.The least count of its slide bar scale is grade, and error in reading value is about 1 millimeter, when being used for
When observation is less than 1 millimeter of the amount of crushing, it appears helpless.Gu the instrument can only be used for measuring the top in tunnel or goaf
Base plate distance, inconvenience is used for measuring dynamic change when top board sinks less than 1 millimeter.
Mechanical roof dynamic monitor is a kind of accurate instrument of comparing, and its certainty of measurement is up to 1 percent millimeters.Mainly
Structure is that a fix bar adds a moving slide-bar, and moving slide-bar bottom is interlocked a range being made using gear drive and put
Big table（Dial gauge）.The instrument can only be used for observing dynamic change of the top board less than 1 millimeter, and inconvenience is used for measuring the height of roof and floor
Degree, its major defect is complex structure, fragile and inconvenient maintenance.Its fatal shortcoming can not have water drenching or humidity
Used in environment, and the vibrations blown out can not be born during work.
The content of the invention
The invention aims to provide a kind of mining multifunctional top board detector for displacement measuring, simple structure, it is cheap,
It is easily operated, and the displacement between the roof and floor of tunnel and goaf can pushed up under mine has water drenching and blows out vibration environment
Displacement between base plate is monitored, and certainty of measurement is high.
The present invention is adopted the technical scheme that to solve the above problems, there is provided a kind of mining multifunctional top board displacement is surveyed
Amount instrument, including cylindrical fix bar that is penetrating up and down and being vertically arranged, the lower end of the fix bar is threaded with base, base
On be fixedly connected with locating dowel, the retaining spring being vertically arranged is arranged with locating dowel；It is arranged with the fix bar and is set vertically
The moving lever put, is fixedly connected with limited location snap ring in the middle part of the moving lever, the upper end of fix bar is provided with and coordinates with limited location snap ring
The annular boss for using, moving lever outer wall more than limited location snap ring is provided with moving lever graduated scale；Outside the moving lever lower end
O-ring seals are set with wall, the space surrounded by O-ring seals, moving lever, fix bar, base forms working cavities, worked
Inner chamber is built with observation liquid；The liquid level gauge being vertically arranged, the upper end of liquid level gauge are fixedly connected with the outer wall of the solid rod
It is provided with passage；The lower end body of rod of fix bar is provided with through hole, and the working cavities are by under through hole and liquid level gauge
End is connected；The upper end of the moving lever is the open cavity cylinder for setting, and the lower end of moving lever is in contact with retaining spring；
Motion bar is arranged with the moving lever, the outer wall side of motion bar is provided with motion bar graduated scale, the outer wall opposite side of motion bar
Vertical groove is provided with, the upper end of the moving lever is provided with positioning knob；The positioning knob passes through moving lever and positioning knob
One end extend into groove.
The cross-sectional area of the working cavities is 20~50 times of the cross-sectional area of liquid level gauge.
The upper end of the motion bar is cone.
The observation liquid is colored pure water or non-stick light oil or mercury.
The base is connected with locating dowel integrally casting.
The precision of the moving lever graduated scale, the precision of motion bar graduated scale are millimeter.
Beneficial effects of the present invention：The apparatus structure is simple, cheap, easily operated, and can be in mine humidity ring
The displacement between the displacement between the roof and floor of tunnel and goaf roof and floor is monitored under border, when tunnel roof and floor it
Between displacement and goaf roof and floor between displacement change 1 millimeter when, can clearly be read by the reading of liquid level gauge
Go out its reading, then the multiple according to its cross-sectional area is converted, and certainty of measurement is high；Simultaneously the device can water drenching, humidity,
The extreme environment for blowing out shock wave effect is used, and improves the cost performance and practicality of colliery roof and floor displacement measuring instrument.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Specific embodiment
To make the purpose of the present invention, technical scheme and beneficial effect clearer, the present invention is implemented below in conjunction with the accompanying drawings
Mode is described in further detail.
As shown in figure 1, the invention provides a kind of mining multifunctional top board detector for displacement measuring including penetrating and vertical up and down
The cylindrical fix bar 1 of setting, fix bar 1 is designed for fixed length, and the lower end of the fix bar 1 is threaded with base 2, base 2
On be fixedly connected with locating dowel 3, base 2 is connected with the integrally casting of locating dowel 3.The positioning being vertically arranged is arranged with locating dowel 3
Spring 4；The moving lever 5 being vertically arranged is arranged with the fix bar 1, the middle part of the moving lever 5 is fixedly connected with limiting card
Ring 6, the upper end of fix bar 1 is provided with the annular boss 7 used cooperatively with limited location snap ring 6, outside the moving lever 5 of limited location snap ring more than 6
Wall is provided with moving lever graduated scale 8, and the precision of moving lever graduated scale 8 is 1 millimeter, and moving lever graduated scale 8 scale from upper past
Lower mark scale.O-ring seals 9 are set with the outer wall of the lower end of the moving lever 5, by O-ring seals 9, moving lever 5, are fixed
The space that bar 1, base 2 are surrounded forms working cavities 10, and working cavities 10 are generally adopted built with observation liquid 11, observation liquid 11
With colored pure water or non-stick light oil or mercury.
The liquid level gauge 12 being vertically arranged is fixedly connected with the outer wall of the solid rod 1, its upper end is provided with passage 18.
The lower end body of rod of fix bar 1 is provided with through hole 13, and the working cavities 10 pass through the lower end phase of through hole 13 and liquid level gauge 12
Connection.The upper end of the moving lever 5 is the open cavity cylinder for setting, and the lower end of moving lever 5 is in contact with retaining spring 4,
Motion bar 14 is arranged with the moving lever 5, the upper end of the motion bar 14 is cone.The outer wall side of motion bar 14 is provided with
Motion bar graduated scale 15, the precision of motion bar graduated scale 15 is millimeter, and the scale of motion bar graduated scale 15 is marked from top to bottom
Scale.The outer wall opposite side of motion bar 14 is provided with vertical groove 16, and the upper end of the moving lever 5 is provided with positioning knob 17, institute
Positioning knob 17 is stated to be extend into groove 16 through one end of moving lever 5 and positioning knob 17.
The cross-sectional area of the working cavities 10 is 20~50 times of the cross-sectional area of liquid level gauge 12.When tunnel roof and floor it
Between displacement and goaf roof and floor between displacement change less than 1 millimeter when, can clearly be read by liquid level gauge 12
Go out its reading, then the multiple according to its cross-sectional area is converted, certainty of measurement is high can to reach 1/20~1/50.
When the present invention is used as roof dynamic monitor, the device is vertically disposed on the base plate in tunnel to be measured, by activity
The upper end end that bar 14 is drawn to motion bar 14 from moving lever 5 touches back, then screws positioning knob 17, by work
Lever 14 is fixed together with moving lever 5.When tunnel is when crushing, motion bar 14 and moving lever 5 are moved down, and compression is fixed
Position spring 4, the observation liquid 11 in working cavities 10 is entered in liquid level gauge 12 by through hole 13, observes the reading of liquid level gauge 12
Number, and cross-sectional area and the cross-sectional area ratio of liquid level gauge 12 according to working cavities 10 converted, and calculates back
Deflection, then the reading according to moving lever graduated scale 8 and motion bar graduated scale 15 can also calculate the height in tunnel.
General principle of the invention, principal character and advantages of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not limited to the above embodiments, simply explanation described in above-described embodiment and specification this
The principle of invention, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these changes
Change and improvement is both fallen within the range of claimed invention.The claimed scope of the invention is by appending claims and is equal to
Thing is defined.
Claims (6)
1. mining multifunctional top board detector for displacement measuring, it is characterised in that：It is fixed including cylinder that is penetrating up and down and being vertically arranged
Bar, the lower end of the fix bar is threaded with base, and locating dowel is fixedly connected with base, is arranged with locating dowel and set vertically
The retaining spring put；The moving lever being vertically arranged is arranged with the fix bar, is fixedly connected in the middle part of the moving lever limited
Position snap ring, the upper end of fix bar is provided with the annular boss used cooperatively with limited location snap ring, moving lever outer wall more than limited location snap ring
It is provided with moving lever graduated scale；Be set with O-ring seals on the outer wall of the moving lever lower end, by O-ring seals, moving lever,
The space that fix bar, base are surrounded forms working cavities, and working cavities are built with observation liquid；It is solid on the outer wall of the solid rod
Surely the liquid level gauge being vertically arranged is connected with, the upper end of liquid level gauge is provided with passage；The lower end body of rod of fix bar is provided with and runs through
Hole, the working cavities are connected by through hole with the lower end of liquid level gauge；The upper end of the moving lever is the open sky for setting
Chamber cylinder, the lower end of moving lever is in contact with retaining spring；Motion bar, the outer wall one of motion bar are arranged with the moving lever
Side is provided with motion bar graduated scale, and the outer wall opposite side of motion bar is provided with vertical groove, and the upper end of the moving lever is provided with positioning
Knob；The positioning knob is extend into groove through one end of moving lever and positioning knob.
2. mining multifunctional top board detector for displacement measuring according to claim 1, it is characterised in that：The horizontal stroke of the working cavities
Sectional area is 20~50 times of the cross-sectional area of liquid level gauge.
3. mining multifunctional top board detector for displacement measuring according to claim 1, it is characterised in that：The upper end of the motion bar
It is cone.
4. mining multifunctional top board detector for displacement measuring according to claim 1, it is characterised in that：The observation liquid is band
The pure water or non-stick light oil or mercury of color.
5. mining multifunctional top board detector for displacement measuring according to claim 1, it is characterised in that：The base and locating dowel
Integrally casting is connected.
6. mining multifunctional top board detector for displacement measuring according to claim 1, it is characterised in that：The moving lever graduated scale
Precision, the precision of motion bar graduated scale be millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710221315.2A CN106885504A (en) | 2017-04-06 | 2017-04-06 | Mining multifunctional top board detector for displacement measuring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710221315.2A CN106885504A (en) | 2017-04-06 | 2017-04-06 | Mining multifunctional top board detector for displacement measuring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106885504A true CN106885504A (en) | 2017-06-23 |
Family
ID=59181637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710221315.2A Pending CN106885504A (en) | 2017-04-06 | 2017-04-06 | Mining multifunctional top board detector for displacement measuring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106885504A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001158587A (en) * | 1999-12-02 | 2001-06-12 | Mitsubishi Electric Building Techno Service Co Ltd | Measuring device for quantity of sag of passenger conveyor chain and its measuring method |
| CN102012199A (en) * | 2010-11-30 | 2011-04-13 | 周泉清 | Method and device for accurately measuring and metering variable of liquid level of hydraulic container or oil cylinder |
| CN103256918A (en) * | 2013-05-16 | 2013-08-21 | 重庆大学 | Special ruler for measuring vault settlement of tunnel |
| CN203422044U (en) * | 2013-09-05 | 2014-02-05 | 中国矿业大学 | Telescopic mining rod ruler for measuring tunnel surface displacement |
| 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 |
| CN206876076U (en) * | 2017-04-06 | 2018-01-12 | 河南理工大学 | Mining multifunctional top plate detector for displacement measuring |
-
2017
- 2017-04-06 CN CN201710221315.2A patent/CN106885504A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001158587A (en) * | 1999-12-02 | 2001-06-12 | Mitsubishi Electric Building Techno Service Co Ltd | Measuring device for quantity of sag of passenger conveyor chain and its measuring method |
| CN102012199A (en) * | 2010-11-30 | 2011-04-13 | 周泉清 | Method and device for accurately measuring and metering variable of liquid level of hydraulic container or oil cylinder |
| CN103256918A (en) * | 2013-05-16 | 2013-08-21 | 重庆大学 | Special ruler for measuring vault settlement of tunnel |
| CN203422044U (en) * | 2013-09-05 | 2014-02-05 | 中国矿业大学 | Telescopic mining rod ruler for measuring tunnel surface displacement |
| 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 |
| CN206876076U (en) * | 2017-04-06 | 2018-01-12 | 河南理工大学 | Mining multifunctional top plate detector for displacement measuring |
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Application publication date: 20170623 |
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| WD01 | Invention patent application deemed withdrawn after publication |