CN219368724U - Comprehensive mining working face roadway surrounding rock surface displacement observation tool - Google Patents
Comprehensive mining working face roadway surrounding rock surface displacement observation tool Download PDFInfo
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- CN219368724U CN219368724U CN202320424243.2U CN202320424243U CN219368724U CN 219368724 U CN219368724 U CN 219368724U CN 202320424243 U CN202320424243 U CN 202320424243U CN 219368724 U CN219368724 U CN 219368724U
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- surrounding rock
- screw rod
- surface displacement
- rock surface
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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Abstract
The utility model provides a comprehensive face tunnel surrounding rock surface displacement observation instrument, belongs to tunnel surrounding rock surface displacement observation technical field, can solve the measuring efficiency of current tunnel surrounding rock surface displacement and the relatively great problem of measurement data error, including flexible locating lever, the upper and lower both ends of flexible locating lever are equipped with the internal thread hole respectively, and the top of flexible locating lever is equipped with the fixing base, and the top of fixing base is connected with laser range finder through connecting means; by using the utility model, one person can finish the observation operation of the surface displacement of the surrounding rock of the roadway, thereby realizing the effect reduction and improving the field operation efficiency.
Description
Technical Field
The utility model belongs to the technical field of roadway surrounding rock surface displacement observation, and particularly relates to a comprehensive mining working face roadway surrounding rock surface displacement observation tool.
Background
And each 200m of roadway of the fully mechanized mining face is provided with a group of comprehensive measuring stations, wherein the comprehensive measuring stations comprise a roof separation instrument, an anchor rod and anchor cable dynamometer and two groups (inner side and outer side) of surface displacement measuring stations.
The change of the surface displacement of the surrounding rock of the roadway is generally in millimeter level, the main purpose of the surface displacement observation of the surrounding rock of the roadway is to master the change condition of the surrounding rock of the roadway through the change of observation data, analyze the change rule of the surrounding rock of the roadway of the working face, check whether the roadway support is effective, provide basis for the roadway support design of the working face, continuously optimize the roadway support design and ensure the safe and efficient production of mines.
The measurement of the roadway surrounding rock surface displacement measuring station is generally carried out by adopting a cross measurement method, three persons are generally required to cooperatively work, a climbing platform is required to be erected at a measurement site, one person climbs the platform to put down a plumb line on a top plate measuring station, two persons straighten two sides of the roadway to enable the two sides of the roadway to be perpendicular to the top plate plumb line, then steel tape measures data from the two sides of the roadway to the center and from the top plate to the bottom plate along the line to the measuring station respectively, after the measurement is completed, the line and the plumb line of the measuring station are required to be retracted, the measurement of each group of surface displacement measuring station can be completed within about 30 minutes, the measurement efficiency is low, and the measurement of all measuring stations of one working surface is generally required to be completed for about 4-5 hours. And when different observers use the steel tape to measure, the measured data error is relatively large.
Disclosure of Invention
Aiming at the problems of low measurement efficiency and relatively large measurement data error of the surface displacement of the roadway surrounding rock, the utility model provides a comprehensive mining working face roadway surrounding rock surface displacement observation tool.
The utility model adopts the following technical scheme:
the utility model provides a comprehensive face tunnel surrounding rock surface displacement observation instrument, includes flexible locating lever, the upper and lower both ends of flexible locating lever are equipped with the internal thread hole respectively, and the top of flexible locating lever is equipped with the fixing base, and the top of fixing base is connected with laser range finder through connecting means;
the fixing seat comprises a fixing plate, a first screw rod is arranged at the bottom of the fixing plate, a first connecting lug is arranged at the top end of the fixing plate, a first through hole is formed in the first connecting lug, and the first screw rod of the fixing seat is connected with an inner threaded hole at the top end of the telescopic positioning rod;
the connecting tool comprises a connecting disc, two connecting lugs II are arranged at the bottom of the connecting disc, a screw rod II is arranged at the top of the connecting disc, a pressing disc is rotationally connected to the screw rod II, a through hole II is formed in the connecting lugs II, the through hole II of the connecting lugs II is rotationally connected with the through hole I of the fixing base through bolts, and the laser range finder is in threaded connection with the top end of the screw rod II.
Further, the bottom of flexible locating lever is equipped with the base, the base includes the chassis, and the center of chassis is equipped with the screw rod III, and the screw rod III is connected with the internal thread hole of flexible locating lever bottom.
Further, the first screw rod is positioned at the center of the fixed disc, and the first connecting lug is positioned at the center of the fixed disc.
Further, the connecting lugs are symmetrically arranged relative to the axis of the connecting disc, and the second screw is positioned at the center of the connecting disc.
The beneficial effects of the utility model are as follows:
1. by using the utility model, one person can finish the observation operation of the surface displacement of the surrounding rock of the roadway, thereby realizing the effect reduction and improving the field operation efficiency.
2. By adopting the mining intrinsic safety type laser range finder, the measurement data can be accurate to millimeter level, the measurement accuracy is improved, and the problems of low measurement efficiency and error existing in the traditional measurement mode are solved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a fixing base according to the present utility model;
FIG. 3 is a schematic view of a connecting tool according to the present utility model;
FIG. 4 is a schematic view of a base structure of the present utility model;
wherein: 1-a telescopic positioning rod; 2-a laser range finder; 3-a fixed disk; 4-screw one; 5-connecting the first lug; 6-perforating one; 7-connecting discs; 8-connecting the second lug; 9-a second screw rod; 10-pressing a disc; 11-perforating II; 12-bolts; 13-chassis; 14-screw three.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
As shown in the figure, the utility model consists of a base, a telescopic positioning rod, a fixed seat, a connecting tool and a mining intrinsic safety type laser range finder.
The bottom of the telescopic positioning rod is provided with a wire opening which is connected with the base. The top of the telescopic positioning rod is provided with a wire opening for connecting the fixing seat.
The upper end and the lower end of the telescopic positioning rod 1 are respectively provided with an internal threaded hole, the top end of the telescopic positioning rod 1 is provided with a fixed seat, and the top end of the fixed seat is connected with a laser range finder 2 through a connecting tool;
the fixing seat comprises a fixing disc 3, a first screw rod 4 is arranged at the bottom of the fixing disc 3, a first connecting lug 5 is arranged at the top end of the fixing disc, a first through hole 6 is formed in the first connecting lug 5, and the first screw rod 4 of the fixing seat is connected with an inner threaded hole at the top end of the telescopic positioning rod 1;
the connecting tool comprises a connecting disc 7, two connecting lugs II 8 are arranged at the bottom of the connecting disc 7, a screw rod II 9 is arranged at the top of the connecting disc, a pressing disc 10 is rotatably connected to the screw rod II 9, a through hole II 11 is formed in the connecting lug II 8, the through hole II 11 of the connecting lug II 8 is rotatably connected with the through hole I6 of the fixing seat through a bolt 12, and the laser range finder 2 is in threaded connection with the top end of the screw rod II 9.
The telescopic positioning rod can achieve any height adjustment, can achieve locking after being adjusted in place by screwing left and right, comprises a plurality of rod bodies which are nested in sequence, and is provided with a locking pin and a locking pin hole, and is of a conventional structure in the prior art.
The base is a square flat iron plate, a screw corresponding to a wire opening at the bottom of the telescopic positioning rod is welded at the center of the iron plate, and the telescopic positioning rod is fixed on the base by the screw.
The mine intrinsic safety type laser range finder is provided with screw holes for screwing, and the mine intrinsic safety type laser range finder is connected with and fixed on the fixing seat by using a connecting tool.
The mine intrinsic safety type laser range finder is provided with self-contained horizontal bubbles for adjusting the level.
The application method of the utility model is as follows:
1. the telescopic locating rod is fixedly arranged on the base, the fixing base is fixedly arranged at the top of the telescopic locating rod, and the mining intrinsic safety laser range finder is arranged on the fixing base at the top of the telescopic locating rod by using a connecting tool.
2. And (3) a tunnel surrounding rock displacement observation station is arranged in the tunnel tunneling period of the working face, fixed observation points are arranged on the positions of the two sides, the top and the bottom of the tunnel by using the tool, and initial readings of the tunnel surrounding rock are read.
3. The tool is placed at an observation point of a base plate of a side station, a mining intrinsic safety type laser range finder is placed at a horizontal position, the height of a telescopic positioning rod is adjusted until laser strikes on a lane side measurement point, and a reading is recorded.
4. And loosening a pressing disc on the connecting tool of the mining intrinsic safety laser range finder, and rotating the mining intrinsic safety laser range finder to finish data measurement of the other side of the roadway. According to the method, the measurement of the distances from the top plate to the center and the bottom plate to the center of the roadway can be completed sequentially.
After the tool is used, one person can finish the observation operation of the surface displacement of the surrounding rock of the roadway, the effect of reducing the person is achieved, and meanwhile, due to the adoption of the mining intrinsic safety type laser range finder, the measurement data can be accurate to the millimeter level, and the measurement accuracy is improved.
In the field application process, measurement work can be completed by only one person, 2 persons can be reduced in each measurement work, at least 4 observations can be carried out each month, the labor investment can be reduced by 8 persons each month, 670 yuan per worker of artificial wages of a comprehensive mining team in 2021 year Sima Meiye can be reduced, and 5360 yuan per month can be expected to be saved; the measurement of a single surface displacement measuring station can be completed in 3-5 minutes, and the measurement of one working surface measuring station can be completed in about 1 hour, so that the production efficiency is greatly improved. The method has good popularization and application values, solves the problems of low measurement efficiency and error existing in the traditional measurement mode, improves the field operation efficiency, and can realize the reduction of people and improvement of efficiency to a certain extent.
Claims (4)
1. The utility model provides a comprehensive face tunnel surrounding rock surface displacement observation instrument of adopting which characterized in that: the telescopic positioning device comprises a telescopic positioning rod (1), wherein the upper end and the lower end of the telescopic positioning rod (1) are respectively provided with an internal threaded hole, the top end of the telescopic positioning rod (1) is provided with a fixed seat, and the top end of the fixed seat is connected with a laser range finder (2) through a connecting tool;
the fixing seat comprises a fixing disc (3), a first screw rod (4) is arranged at the bottom of the fixing disc (3), a first connecting lug (5) is arranged at the top end of the fixing disc, a first through hole (6) is formed in the first connecting lug (5), and the first screw rod (4) of the fixing seat is connected with an inner threaded hole at the top end of the telescopic positioning rod (1);
the connecting tool comprises a connecting disc (7), two connecting lugs (8) are arranged at the bottom of the connecting disc (7), a screw rod (9) is arranged at the top of the connecting disc, a pressing disc (10) is rotationally connected to the screw rod (9), a perforating hole (11) is formed in the connecting lugs (8), the perforating hole (11) of the connecting lugs (8) is rotationally connected with the perforating hole (6) of the fixing seat through a bolt (12), and the laser range finder (2) is in threaded connection with the top end of the screw rod (9).
2. The fully-mechanized coal mining face roadway surrounding rock surface displacement observation tool according to claim 1, wherein: the bottom of flexible locating lever (1) is equipped with the base, the base includes chassis (13), and the center of chassis (13) is equipped with screw rod III (14), and screw rod III (14) are connected with the internal thread hole of flexible locating lever (1) bottom.
3. The fully-mechanized coal mining face roadway surrounding rock surface displacement observation tool according to claim 1, wherein: the first screw rod (4) is positioned at the center of the fixed disc (3), and the first connecting lug (5) is positioned at the center of the fixed disc (3).
4. The fully-mechanized coal mining face roadway surrounding rock surface displacement observation tool according to claim 1, wherein: the second connecting lug (8) is symmetrically arranged relative to the axis of the connecting disc (7), and the second screw rod (9) is positioned at the center of the connecting disc (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320424243.2U CN219368724U (en) | 2023-03-08 | 2023-03-08 | Comprehensive mining working face roadway surrounding rock surface displacement observation tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320424243.2U CN219368724U (en) | 2023-03-08 | 2023-03-08 | Comprehensive mining working face roadway surrounding rock surface displacement observation tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219368724U true CN219368724U (en) | 2023-07-18 |
Family
ID=87142153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320424243.2U Active CN219368724U (en) | 2023-03-08 | 2023-03-08 | Comprehensive mining working face roadway surrounding rock surface displacement observation tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219368724U (en) |
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2023
- 2023-03-08 CN CN202320424243.2U patent/CN219368724U/en active Active
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