CN213274040U - Roadway roof subsidence measuring device - Google Patents
Roadway roof subsidence measuring device Download PDFInfo
- Publication number
- CN213274040U CN213274040U CN202022848077.8U CN202022848077U CN213274040U CN 213274040 U CN213274040 U CN 213274040U CN 202022848077 U CN202022848077 U CN 202022848077U CN 213274040 U CN213274040 U CN 213274040U
- Authority
- CN
- China
- Prior art keywords
- measuring
- measuring block
- block
- measurement piece
- fixed
- 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
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model belongs to the technical field of the coal mine monitoring technique and specifically relates to a tunnel roof settlement measuring device, L shape fixed plate is installed to the both ends symmetry of first measurement piece, the both ends of L shape fixed plate top all run through the grafting and have a plurality of first bolts, measurement spout has been seted up to one side of first measurement piece, the inside of measuring the spout is inserted and is equipped with second measurement piece, one side of second measurement piece is fixed with the connecting block, the opposite side of connecting block is fixed with vertical fixation plate, vertical fixation plate's both ends all run through to be inserted and are equipped with a plurality of second bolts, the scale strip has all been welded at the both ends of second measurement piece. This device reasonable in design through the setting of second measurement piece and laser lamp to make the device can produce when sinking at the tunnel roof, the second measurement piece rises, and the data of sinking of direct display tunnel roof, and whether can observe through the laser lamp and sink the time slope, made things convenient for people's use.
Description
Technical Field
The utility model relates to a colliery monitoring field especially relates to a tunnel roof sinkage measuring device.
Background
The displacement change value of the roof surface is an indispensable part in mine pressure monitoring, the traditional coal mine roadway roof subsidence measurement usually adopts a manual measurement method, a laser range finder or a measuring tape is generally used for measurement, the measurement method has inevitable errors, so that the measurement is inaccurate, when a plurality of measuring points are arranged, the labor intensity of a measurer is high, and the carrying of a measuring device can increase the burden of the measurer. Therefore, the utility model provides a tunnel roof measuring device that sinks is used for solving above-mentioned problem.
Disclosure of Invention
The utility model aims at solving the shortcoming that exists among the prior art, and the tunnel roof measuring device that sinks that proposes.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a tunnel roof sinkage measuring device, includes first measuring block, L shape fixed plate is installed to the both ends symmetry of first measuring block, the both ends of L shape fixed plate top all run through the grafting and have a plurality of first bolts.
A measuring chute is formed in one side of the first measuring block, a second measuring block is inserted into the measuring chute, and a limiting structure is arranged between the first measuring block and the second measuring block.
One side of second measuring block is fixed with the connecting block, the opposite side of connecting block is fixed with vertical fixation plate, vertical fixation plate's both ends all run through to insert and are equipped with a plurality of second bolts.
The scale strips are welded at the two ends of the second measuring block, a plurality of laser lamps are fixedly inserted into one end of the second measuring block, and the laser lamps are connected with a power supply structure through a circuit.
Preferably, the limiting structure comprises a sliding strip, the sliding strip is fixed to the other side of the second measuring block, a limiting sliding groove corresponding to the sliding strip is formed in one side of the inner wall of the measuring sliding groove, and the sliding strip is located inside the limiting sliding groove.
Preferably, the reading of the scale bar is gradually increased from top to bottom, and a gap is reserved between the scale bar and the measuring chute.
Preferably, the laser lamps are parallel to the upper and lower surfaces of the first measuring block.
Preferably, the power structure includes a battery jar, the battery jar is opened in the inside of second measuring block top, a plurality of batteries are inserted in the inside of battery jar, the top joint of battery jar has the apron, the apron is located the top of battery.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. this device sinks at the tunnel roof and produces the displacement volume when, and tunnel roof main part can drive first measurement piece and move down for the second measures the piece and shifts up relatively, exposes the scale strip at second measurement piece both ends, and the reading of scale strip is from last to making surveying personnel can directly carry out the reading to the scale strip down, and surveying personnel need not to carry the instrument and repeatedly carry out the site survey to the displacement volume, thereby makes surveying personnel can be relaxed measure tunnel roof deflection.
2. This device passes through the irradiation of laser lamp for if both ends produce the slope in the tunnel roof sinks the in-process, the relative tunnel roof of ray that the laser lamp shines can produce the skew, makes surveying personnel can more audio-visually detect the slope of tunnel roof.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the present invention after moving a part of the structure;
fig. 3 is a schematic structural view of the present invention, partially enlarged at a point a in fig. 2;
fig. 4 is another angle structure diagram of the present invention after the partial structure is moved;
fig. 5 is a schematic structural diagram of the present invention after being partially sectioned.
In the figure: first measuring block 1, L shape fixed plate 2, first bolt 3, measure spout 4, spacing spout 5, second measuring block 6, sliding strip 7, connecting block 8, vertical fixing plate 9, second bolt 10, scale bar 11, laser lamp 12, battery jar 13, battery 14, apron 15.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
A roadway roof settlement measuring device as shown in fig. 1-5, comprising a first measuring block 1, its characterized in that, L shape fixed plate 2 is installed to the both ends symmetry of first measuring block 1, the both ends of L shape fixed plate 2 top all run through to peg graft and have a plurality of first bolts 3, measuring spout 4 has been seted up to one side of first measuring block 1, measuring spout 4's inside is inserted and is equipped with second measuring block 6, install limit structure between first measuring block 1 and the second measuring block 6, limit structure includes sliding strip 7, sliding strip 7 is fixed in the opposite side of second measuring block 6, the spacing spout 5 corresponding with sliding strip 7 is seted up to one side of measuring spout 4 inner wall, sliding strip 7 is located the inside of spacing spout 5, one side of second measuring block 6 is fixed with connecting block 8, the opposite side of connecting block 8 is fixed with vertical fixation board 9, vertical fixation board 9's both ends all run through to insert and are equipped with a plurality of second bolts 10.
The implementation mode is specifically as follows: the first measuring block 1 and the second measuring block 6 can generate relative displacement when the tunnel top plate sinks, so that the sinking amount of the tunnel top plate can be conveniently measured, the L-shaped fixing plate 2 can be fixed on the side surface of the tunnel top plate through the first bolt 3, so that the first measuring block 1 is fixed on the top plate of the roadway and sinks along with the sinking of the top plate of the roadway, the measuring chute 4 can facilitate the insertion of the second measuring block 6, the matching of the limiting chute 5 and the sliding strip 7 can avoid the horizontal movement of the second measuring block 6 in the measuring chute 4, thereby avoiding the abrasion of the inner wall of the measuring chute 4 to the scale bar 11, the connecting block 8 can connect the second measuring block 6 and the vertical fixing plate 9, the vertical fixing plate 9 can be fixed with a fixing frame beside the roadway top plate through the second bolt 10, so that the vertical fixing plate 9 is relatively fixed, thereby generating a relative displacement difference when the roadway roof is sunk.
The implementation mode is specifically as follows: scale bar 11 can directly show the displacement volume when first measuring block 1 produces relative displacement with second measuring block 6, and there is the clearance in measuring 4 lateral walls of spout and scale bar 11, avoid wearing and tearing scale bar 11, the ray parallel with vertical fixed plate 9 can be launched out to laser lamp 12, whether convenient survey crew observes the drift roof and sinks and takes place the skew, battery 14 can be installed to the inside of battery jar 13 battery 14 provides the power for laser lamp 13, apron 15 can avoid battery 14 and drop.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5 of the specification, when the device is used, the L-shaped fixing plate 2 is fixed on one side of a roadway roof through the first bolt 3, the vertical fixing plate 9 is fixed on a static frame beside the roadway roof through the second bolt 10, the roadway roof can drive the first measuring block 1 to move downwards when sinking, the first measuring block 1 moves downwards to enable the second measuring block 6 inside to move upwards relatively, the second measuring block 6 drives the scale strips 11 to move upwards, the scale strips 11 can enable a measurer to directly read the sinking amount through reading from top to bottom, the laser lamp 12 is turned on, the laser lamp 12 emits rays parallel to the vertical fixing plate 9, when the roadway roof deviates in the sinking process, the rays can obviously incline, and the measurer can visually observe whether the roadway roof inclines or not.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The roadway roof subsidence measuring device comprises a first measuring block (1), and is characterized in that L-shaped fixing plates (2) are symmetrically arranged at two ends of the first measuring block (1), and a plurality of first bolts (3) are inserted at two ends above the L-shaped fixing plates (2);
a measuring chute (4) is formed in one side of the first measuring block (1), a second measuring block (6) is inserted into the measuring chute (4), and a limiting structure is arranged between the first measuring block (1) and the second measuring block (6);
a connecting block (8) is fixed on one side of the second measuring block (6), a vertical fixing plate (9) is fixed on the other side of the connecting block (8), and a plurality of second bolts (10) penetrate through and are inserted into two ends of the vertical fixing plate (9);
scale bar (11) have all been welded at the both ends of second measuring block (6), the fixed grafting of one end of second measuring block (6) has a plurality of laser lamps (12), be connected with power structure through the circuit jointly between laser lamp (12).
2. The roadway roof subsidence measuring device of claim 1, wherein the limiting structure comprises a sliding strip (7), the sliding strip (7) is fixed on the other side of the second measuring block (6), a limiting sliding groove (5) corresponding to the sliding strip (7) is formed in one side of the inner wall of the measuring sliding groove (4), and the sliding strip (7) is located inside the limiting sliding groove (5).
3. The roadway roof subsidence measuring device of claim 1, wherein the scale bar (11) is read in an increasing order from top to bottom, and a gap is left between the scale bar (11) and the measuring chute (4).
4. The roadway roof subsidence measuring device of claim 1, wherein the laser lamps (12) are parallel to the upper and lower surfaces of the first measuring block (1).
5. The roadway roof subsidence measuring device of claim 1, wherein the power supply structure comprises a battery jar (13), the battery jar (13) is arranged inside the top end of the second measuring block (6), a plurality of batteries (14) are inserted into the battery jar (13), a cover plate (15) is clamped above the battery jar (13), and the cover plate (15) is positioned above the batteries (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022848077.8U CN213274040U (en) | 2020-12-01 | 2020-12-01 | Roadway roof subsidence measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022848077.8U CN213274040U (en) | 2020-12-01 | 2020-12-01 | Roadway roof subsidence measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213274040U true CN213274040U (en) | 2021-05-25 |
Family
ID=75954941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022848077.8U Expired - Fee Related CN213274040U (en) | 2020-12-01 | 2020-12-01 | Roadway roof subsidence measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213274040U (en) |
-
2020
- 2020-12-01 CN CN202022848077.8U patent/CN213274040U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109470151A (en) | A kind of continuous monitoring record lane surface displacement device and method | |
| CN103993911B (en) | Comprehensive mechanization filling coal mining goaf top plate dynamic monitor | |
| CN213274040U (en) | Roadway roof subsidence measuring device | |
| CN203642905U (en) | Device for measuring deformation of inner liner of containment vessel of nuclear power station | |
| CN108548468A (en) | A kind of Mining Subsidence area fixed point surveying and mapping data Acquisition Instrument | |
| CN205037861U (en) | Coal mine tunnel pucking volume measuring device | |
| CN204228069U (en) | A kind of underground space is crushed displacement monitor | |
| CN103954197B (en) | A kind of lane surface displacement, deep displacement coordination measuring method | |
| CN104344785A (en) | Device for automatically testing amount of fine deformation of coal bed | |
| CN210262999U (en) | Foundation plasticity district contactless testing arrangement based on PIV technique | |
| CN211476960U (en) | Measuring instrument for gap between escalator step and skirt panel | |
| CN204924241U (en) | Highway side slope measuring apparatu | |
| CN213021410U (en) | Foundation pit support deformation monitoring device | |
| CN208902053U (en) | A kind of coal mine roadway deformation monitoring device | |
| CN210122711U (en) | Foundation pit deformation measuring device | |
| CN209802450U (en) | Portable water measuring tool for coal mine | |
| CN109798834B (en) | Structure surface crack monitoring device and method based on laser scanning | |
| CN208383781U (en) | A kind of fixed device of sulphur surveying instrument electrolytic cell | |
| CN206648560U (en) | A kind of measuring scale of the acceptance of work | |
| CN220649474U (en) | Road and bridge subsides deformation detection device | |
| CN207894346U (en) | A kind of tunnel roof and floor range measurement bar | |
| CN206160997U (en) | Tunnel construction quality remote monitoring device based on laser section appearance and total powerstation | |
| CN218621601U (en) | Railway has tiny fragments of stone, coal, etc. railway roadbed thickness detector | |
| CN212082352U (en) | Track surface measuring instrument | |
| CN218329904U (en) | Observation device is subsided to interval tunnel of subway |
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: 20210525 Termination date: 20211201 |