CN212721306U - Roadway displacement monitoring device - Google Patents
Roadway displacement monitoring device Download PDFInfo
- Publication number
- CN212721306U CN212721306U CN202021636168.9U CN202021636168U CN212721306U CN 212721306 U CN212721306 U CN 212721306U CN 202021636168 U CN202021636168 U CN 202021636168U CN 212721306 U CN212721306 U CN 212721306U
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- China
- Prior art keywords
- clamping
- range finder
- laser range
- clamping piece
- roadway
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- Length Measuring Devices By Optical Means (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a roadway displacement monitoring device, which comprises a support frame; the distance measuring instrument clamping piece is movably arranged between the two limiting plates on the same side of the two vertical blocks; a clamping mechanism is arranged on the distance measuring instrument clamping piece; the outer end of distancer clamping piece is fixed with laser range finder, and four reflector panels are installed on the roof, bottom plate and two lateral walls in tunnel around laser range finder correspondence. The advantages are that: when the laser range finder irradiates any side wall of the roadway, a reflective sheet is fixed at a side wall irradiation point, distance side wall data is measured and recorded, when the clamping plate extends out and is clamped in the clamping groove, the laser range finder is in a vertical state, when the laser range finder irradiates the position of the top plate upwards, the reflective sheet is fixed at the top plate irradiation point, laser of the laser range finder irradiates the reflective sheet on the bottom plate downwards, and distance top plate and bottom plate data are measured and recorded; the data of accurate monitoring distance tunnel four sides, the precision is higher, and convenient operation helps tunnel displacement change analysis.
Description
The technical field is as follows:
the utility model relates to a mine tunnel displacement measurement technical field, in particular to tunnel displacement monitoring devices.
Background art:
roadway displacement is an important parameter for reflecting whether mine roadway support is safe and feasible, and timing and fixed-point observation of roadway displacement change is one of important works for mine safety production, but the traditional roadway displacement monitoring generally adopts 'cross point distribution', namely, a wire rope is arranged on the top of a roadway, a weight is hung down, wire ropes on two sides of the roadway are intersected with the wire rope hung down on the top of the roadway to form an intersection point, and during measurement, the distance from the bottom plate of the roadway top to the intersection point is measured by using a measuring tape respectively, and the distance from two sides of the roadway to the intersection point is measured and recorded; however, the method wastes time and labor when the wire is pulled, the wire is easily damaged by roadway traveling and pedestrians, and the original measurement base point is difficult to find in the next measurement; in addition, the line rope is easy to shake in the measuring process, the tightness of the line rope is not easy to master every time, the error of measured data is large, and the analysis of roadway displacement change is not facilitated.
The utility model has the following contents:
an object of the utility model is to provide a measurement accuracy is high and measure operation labour saving and time saving's tunnel displacement monitoring devices.
The utility model discloses by following technical scheme implement: a roadway displacement monitoring device is characterized by comprising a support frame, a telescopic rod, an object placing table, a laser range finder and four reflecting pieces; the top end of the supporting frame is vertically fixed with the telescopic rod, and the top end of the telescopic rod is horizontally fixed with the object placing table; two upright blocks which are oppositely arranged are vertically fixed on the top surface of the object placing table, limiting plates which are symmetrically arranged are horizontally fixed on two sides of each upright block, and the top surfaces of the limiting plates are in the same plane; a distance meter clamping piece is vertically and rotatably arranged between the two vertical blocks and movably arranged between the two limiting plates on the same side of the two vertical blocks; a clamping mechanism is arranged on the distance measuring instrument clamping piece, and a clamping plate of the clamping mechanism is movably clamped between the two vertical blocks or movably clamped between the two limiting plates on the same side of the two vertical blocks; the outer end of the range finder clamping piece is fixedly provided with the laser range finder, and the four light reflecting sheets are correspondingly arranged on a top plate, a bottom plate and two side walls of the roadway around the laser range finder; two between the upright piece put and seted up the through-hole on the thing platform, the telescopic link with the roof of support frame is with the coaxial hollow structure of through-hole.
Further, the clamping mechanism comprises the clamping plate and a driving gear; the opposite surfaces of the two vertical blocks are respectively and vertically provided with a clamping groove, the two sides of the range finder clamping piece are respectively provided with the clamping plates movably arranged in the corresponding clamping grooves, the range finder clamping piece between the two clamping plates is internally and rotatably provided with the driving gear, and the side wall of each clamping plate, which is adjacent to the driving gear, is fixedly provided with a rack in meshing transmission connection with the driving gear; the end part of the central shaft of the driving gear extends out of the distance meter clamping piece, and a polygonal hole is coaxially formed in the end face of the central shaft.
Furthermore, a guide groove is formed in the range finder clamping piece along the clamping plate sliding direction, and a guide block which is arranged along the guide groove in a sliding mode is fixed on the clamping plate.
Furthermore, scales are arranged on the telescopic rod.
Further, the support frame is a triangular support.
The utility model has the advantages that: through the utility model discloses when measuring the displacement of tunnel surface, confirm the monitoring point on the tunnel bottom plate, and place the mark on the bottom plate under the telescopic link with a reflector panel, stretch the telescopic link, after adjusting to suitable height, drive the cardboard through rotating drive gear and stretch out, when cardboard bottom surface and the arbitrary one side of vertical block spacing board top surface butt, the distancer clamping piece of installing laser range finder is in the horizontality, when can making laser range finder's laser shine the lateral wall that the tunnel corresponds, fix a reflector panel at this lateral wall irradiation point, measure respectively, record the data apart from the tunnel lateral wall; when the driving gear is rotated to drive the clamping plate to extend out and be clamped in the corresponding clamping groove, the laser range finder is in a vertical state, when the laser of the laser range finder upwards irradiates the position of the top plate, a light reflecting sheet is fixed at the irradiating point of the top plate of the laser range finder, and the data of the distance top plate are measured and recorded; the laser range finder is in a vertical state, laser of the laser range finder downwards penetrates through the through hole, the hollow telescopic rod and the supporting frame and then irradiates a reflective sheet on the bottom plate, and data of the distance to the bottom plate are measured and recorded; therefore, the utility model can effectively and accurately monitor data from the four sides of the roadway by adjusting the position of the distance measuring instrument clamping piece provided with the laser distance measuring instrument, thereby avoiding the error of the traditional measurement, having higher precision, more convenient operation, time saving and labor saving; and use bottom plate reflector panel fixed position to do when measuring next time the utility model discloses the placement point can guarantee to look for former measurement basic point easily when measuring once more, helps tunnel displacement change analysis.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view a of fig. 1.
Fig. 3 is a top view of the present invention.
Fig. 4 is a partially enlarged view B of fig. 3.
Fig. 5 is a schematic view of the usage status of the present invention for measuring the distance between the top plates.
The parts in the drawings are numbered as follows: the device comprises a support frame 1, an expansion link 2, an object placing table 3, a through hole 3.1, a laser range finder 4, a reflective sheet 5, a vertical block 6, a clamping groove 6.1, a limiting plate 7, a range finder clamping piece 8, a guide groove 8.1, a clamping mechanism 9, a clamping plate 9.1, a driving gear 9.2, a central shaft 9.21, a polygonal hole 9.211, a rack 9.3, a roadway 10 and a guide block 11.
The specific implementation mode is as follows:
as shown in fig. 1 to 5, a roadway displacement monitoring device comprises a support frame 1, an expansion link 2, an object placing table 3, a laser range finder 4 and four reflectors 5; the supporting frame 1 is a triangular support and is more stable, the telescopic rod 2 is vertically fixed in the middle of the top end of the supporting frame 1, and scales are arranged on the telescopic rod 2, so that the extending length of the telescopic rod 2 can be determined, and the adjustment according to the height requirement is convenient; the top end of the telescopic rod 2 is horizontally fixed with an object placing table 3; two upright blocks 6 which are oppositely arranged are vertically fixed on the top surface of the object placing table 3, two sides of each upright block 6 are horizontally fixed with symmetrically arranged limiting plates 7, and the top surfaces of the limiting plates 7 are in the same plane; a distance meter clamping piece 8 is vertically and rotatably arranged between the two vertical blocks 6, and the distance meter clamping piece 8 is movably arranged between the two limiting plates 7 on the same side of the two vertical blocks 6; the outer end of the distance measuring instrument clamping piece 8 is fixedly provided with the laser distance measuring instrument 4, the distance measuring instrument clamping piece 8 is a clamping block of which the outer end is provided with a mounting groove, and the end part of the laser distance measuring instrument 4 is fixed by a screw after being mounted in the mounting groove of the clamping block; the four reflectors 5 are correspondingly arranged on a top plate, a bottom plate and two side walls of the roadway 10 around the laser range finder 4; the laser emitted by the measuring end of the laser range finder 4 can be sequentially irradiated on the four reflectors 5 to measure the distance from four surfaces of the roadway 10; a clamping mechanism 9 is arranged on the distance measuring instrument clamping piece 8, and the clamping mechanism 9 comprises a clamping plate 9.1 and a driving gear 9.2; the opposite surfaces of the two vertical blocks 6 are respectively and vertically provided with a clamping groove 6.1, two sides of a distance meter clamping piece 8 are respectively provided with a clamping plate 9.1 which is movably arranged in the corresponding clamping groove 6.1, and the clamping plate 9.1 of the clamping mechanism 9 is movably clamped between the two vertical blocks 6 or is movably clamped between two limiting plates 7 on the same side of the two vertical blocks 6; a driving gear 9.2 is rotatably arranged in a range finder clamping piece 8 between the two clamping plates 9.1, and a rack 9.3 in meshing transmission connection with the driving gear 9.2 is fixed on the side wall of each clamping plate 9.1 adjacent to the driving gear 9.2; the end part of the central shaft 9.21 of the driving gear 9.2 extends out of the distance measuring instrument clamping part 8, and a polygonal hole 9.211 is coaxially formed in the end face of the central shaft 9.21; the central shaft 9.21 is rotated by using a wrench matched with the polygonal hole 9.211, so that the two clamping plates 9.1 are driven to extend or retract relative to the range finder clamping piece 8 by meshing transmission with the rack 9.3 in the rotating process of the driving gear 9.2; a guide groove 8.1 is formed in the distance measuring instrument clamping piece 8 along the sliding direction of the clamping plate 9.1, and a guide block 11 arranged along the guide groove 8.1 in a sliding manner is fixed on the clamping plate 9.1; under the matching of the guide block 11 and the guide groove 8.1, the stable sliding of the clamping plate 9.1 is ensured; a through hole 3.1 is formed in the object placing table 3 between the two vertical blocks 6, the top plates of the telescopic rod 2 and the support frame 1 are both hollow structures coaxial with the through hole 3.1, and when a distance measuring instrument clamping piece 8 provided with a laser distance measuring instrument 4 rotates to the position that the laser distance measuring instrument 4 faces downwards, laser conveniently penetrates through the through hole 3.1, the telescopic rod 2 and the support frame 1 and then irradiates on a light reflecting sheet 5 on a bottom plate of a roadway 10, so that data of a distance to the bottom plate are measured; through the utility model discloses during to 10 surface displacement measurements in tunnel, confirm the monitoring point on the bottom plate in tunnel 10, and place a reflector panel 5 in and make the mark on the bottom plate under the telescopic link 2, stretch telescopic link 2, after adjusting to suitable height, drive gear 9.2 through rotating and drive cardboard 9.1 and stretch out or retract, cardboard 9.1 stretches out and its bottom surface and the arbitrary limiting plate 7 top surface butt of one side of vertical block 6, the distancer clamping piece 8 of installing laser range finder 4 is in the horizontality, can make laser of laser range finder 4 shine the lateral wall that tunnel 10 corresponds when, shine a reflector panel 5 in the point at this lateral wall, measure respectively, record the data apart from 10 lateral walls in tunnel; when the driving gear 9.2 is rotated to drive the clamping plate 9.1 to extend out and be clamped in the corresponding clamping groove 6.1, the laser range finder 4 is in a vertical state, when the laser of the laser range finder 4 upwards irradiates the position of a top plate of the roadway 10, a light reflecting sheet 5 is fixed at the top plate irradiating point, and distance top plate data is measured and recorded; the laser range finder 4 is in a vertical state, laser of the laser range finder 4 downwards penetrates through the through hole 3.1, the hollow telescopic rod 2 and the support frame 1 and then irradiates a reflector 5 on the bottom plate, and distance bottom plate data are measured and recorded; therefore, the utility model can effectively and accurately monitor the data on the four sides of the distance tunnel 10 by adjusting the position of the distance measuring instrument clamping piece 8 provided with the laser distance measuring instrument 4, thereby avoiding the error of the traditional measurement, having higher precision, more convenient operation and time and labor saving; and use the 5 fixed position of reflector panel of bottom plate to do when measuring next time the utility model discloses the laying point can guarantee to look for former monitoring point easily when measuring once more, helps tunnel 10 displacement change analysis.
Instructions for use: when the surface displacement of the tunnel 10 is measured, a monitoring point is determined on the bottom plate of the tunnel 10, the utility model is supported and placed through the supporting frame 1, and a reflector 5 is arranged on the bottom plate right below the telescopic rod 2 for marking; stretching telescopic link 2, adjusting to after suitable height through screw locking fixed, through fix with screw laser range finder 4 on distancer clamping piece 8.
When measuring one of them side of tunnel 10, rotate distancer clamping piece 8 to the limiting plate 7 top of founding 6 one side, make laser range finder 4's monitoring head towards this lateral wall of tunnel 10, the rethread uses the spanner that matches with multilateral hole 9.211 to rotate center pin 9.21 and makes drive gear 9.2 rotate, drive cardboard 9.1 stretches out, cardboard 9.1 bottom surface and limiting plate 7 top surface butt, distancer clamping piece 8 is in the horizontality, place laser range finder 4 level on limiting plate 7, laser irradiation of laser range finder 4 shines the lateral wall that tunnel 10 corresponds, shine a fixed reflection of light piece 5 in the point of shining of this lateral wall, measure with this through laser range finder 4, record this lateral wall distance.
When measuring tunnel 10's bottom plate, the reverse rotation center pin 9.21 makes drive gear 9.2 drive cardboard 9.1 withdrawal, when distancer clamping piece 8 anticlockwise rotates vertical state, forward rotation center pin 9.21 makes drive gear 9.2 drive cardboard 9.1 stretch out, and insert in the draw-in groove 6.1 that corresponds, at this moment, laser rangefinder 4's laser shines reflector plate 5 on the bottom plate after passing through-hole 3.1 and hollow telescopic link 2 and support frame 1 down, measure, record is apart from bottom plate data.
When measuring the opposite side in tunnel 10, the reverse rotation center pin 9.21 makes drive gear 9.2 drive cardboard 9.1 withdrawal, 8 anticlockwise rotations of distancer clamping piece arrive 7 tops through being located the limiting plate of upright 6 opposite sides, the forward rotation center pin 9.21 makes drive gear 9.2 drive cardboard 9.1 stretch out, cardboard 9.1 bottom surface and limiting plate 7 top surface butt time, distancer clamping piece 8 is in the horizontality, laser range finder 4's laser irradiation shines the lateral wall that tunnel 10 corresponds, shine fixed a reflector panel 5 in the illumination point of this lateral wall, measure with this through laser range finder 4, record this lateral wall distance.
When measuring the roof in tunnel 10, the reverse rotation center pin 9.21 makes drive gear 9.2 drive cardboard 9.1 withdrawal, when distancer clamping piece 8 anticlockwise rotates vertical state, forward rotation center pin 9.21 makes drive gear 9.2 drive cardboard 9.1 stretch out, and insert in the draw-in groove 6.1 that corresponds, at this moment, laser range finder 4's laser shines when the roof position up, shine a fixed reflector panel 5 of point at the roof, measure, record distance roof data.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A roadway displacement monitoring device is characterized by comprising a support frame, a telescopic rod, an object placing table, a laser range finder and four reflecting pieces; the top end of the supporting frame is vertically fixed with the telescopic rod, and the top end of the telescopic rod is horizontally fixed with the object placing table; two upright blocks which are oppositely arranged are vertically fixed on the top surface of the object placing table, limiting plates which are symmetrically arranged are horizontally fixed on two sides of each upright block, and the top surfaces of the limiting plates are in the same plane; a distance meter clamping piece is vertically and rotatably arranged between the two vertical blocks and movably arranged between the two limiting plates on the same side of the two vertical blocks; a clamping mechanism is arranged on the distance measuring instrument clamping piece, and a clamping plate of the clamping mechanism is movably clamped between the two vertical blocks or movably clamped between the two limiting plates on the same side of the two vertical blocks; the outer end of the range finder clamping piece is fixedly provided with the laser range finder, and the four light reflecting sheets are correspondingly arranged on a top plate, a bottom plate and two side walls of the roadway around the laser range finder; two between the upright piece put and seted up the through-hole on the thing platform, the telescopic link with the roof of support frame is with the coaxial hollow structure of through-hole.
2. The roadway displacement monitoring device of claim 1, wherein the clamping mechanism comprises the clamping plate and a driving gear; the opposite surfaces of the two vertical blocks are respectively and vertically provided with a clamping groove, the two sides of the range finder clamping piece are respectively provided with the clamping plates movably arranged in the corresponding clamping grooves, the range finder clamping piece between the two clamping plates is internally and rotatably provided with the driving gear, and the side wall of each clamping plate, which is adjacent to the driving gear, is fixedly provided with a rack in meshing transmission connection with the driving gear; the end part of the central shaft of the driving gear extends out of the distance meter clamping piece, and a polygonal hole is coaxially formed in the end face of the central shaft.
3. The roadway displacement monitoring device of claim 2, wherein a guide groove is formed in the range finder clamping piece along the sliding direction of the clamping plate, and a guide block which is arranged along the guide groove in a sliding manner is fixed on the clamping plate.
4. The roadway displacement monitoring device of claim 1, wherein the telescopic rod is provided with scales.
5. The roadway displacement monitoring device of claim 1, wherein the support frame is a triangular support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021636168.9U CN212721306U (en) | 2020-08-06 | 2020-08-06 | Roadway displacement monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021636168.9U CN212721306U (en) | 2020-08-06 | 2020-08-06 | Roadway displacement monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212721306U true CN212721306U (en) | 2021-03-16 |
Family
ID=74913916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021636168.9U Expired - Fee Related CN212721306U (en) | 2020-08-06 | 2020-08-06 | Roadway displacement monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212721306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465527A (en) * | 2021-07-28 | 2021-10-01 | 招商局重庆交通科研设计院有限公司 | Tunnel surrounding rock stability monitoring device and method |
-
2020
- 2020-08-06 CN CN202021636168.9U patent/CN212721306U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465527A (en) * | 2021-07-28 | 2021-10-01 | 招商局重庆交通科研设计院有限公司 | Tunnel surrounding rock stability monitoring device and method |
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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: 20210316 |