CN210660062U - Roadway roof lithologic component measurement-while-drilling device based on rock debris logging technology - Google Patents
Roadway roof lithologic component measurement-while-drilling device based on rock debris logging technology Download PDFInfo
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- CN210660062U CN210660062U CN201921541987.2U CN201921541987U CN210660062U CN 210660062 U CN210660062 U CN 210660062U CN 201921541987 U CN201921541987 U CN 201921541987U CN 210660062 U CN210660062 U CN 210660062U
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Abstract
The utility model discloses a roadway roof lithologic component measurement while drilling device based on rock debris logging technology, which comprises a rock debris collecting and processing device and a single-body jumbolter, wherein the single-body jumbolter comprises a drill rod arranged on a rotating mechanism of the single-body jumbolter and a portable XRF element analyzer for detecting and analyzing rock debris; the single anchor rod drilling machine further comprises a transmission crawler, a timing device, a disc and a fixed platform, and the rock debris processing and collecting device comprises a shell, a rock debris collecting funnel, a filtering roller, a rock debris collecting cup and a water drainage hole. The utility model discloses simple structure, small in size is convenient for remove, has realized surveying roof lithology composition in the course of tunnelling in real time accurately in succession, for the mode of strutting and strut parameter design and adjustment provide scientific foundation, furthest's reduction the emergence of roof fall accident.
Description
Technical Field
The utility model particularly relates to a tunnel roof lithology composition measurement while drilling device based on detritus logging technique belongs to mine tunnel and struts technical field.
Background
The determination of the lithologic components of the roadway roof is a major difficulty of the current mining discipline, many mine difficulties occur in recent years due to roof fall of the roadway of the mine, and an important reason of the roof fall of the roadway is that the detection and analysis of the lithologic components of the roadway roof are not accurate enough.
At present, a method for determining the lithological property of a roadway roof has multiple methods for determining the lithological components, such as a geophysical prospecting method, an observation method and the like, but most of the methods have high cost, large equipment and low precision, and the lithological components of the roadway roof cannot be accurately and instantly ascertained.
Disclosure of Invention
To the problem that above-mentioned prior art exists, the utility model provides a tunnel roof lithology composition measurement while drilling device based on detritus logging technique can accurately explore the lithology of tunnel roof in certain extent immediately, and the in-process of digging the tunnelling in the tunnel can realize providing the scientific foundation to the analysis of roof lithology, for strutting in tunnel.
The utility model relates to a tunnel roof lithologic composition measurement while drilling device based on detritus logging technique, including detritus collection processing apparatus and monomer roofbolter, monomer roofbolter is including installing the drilling rod on its rotary mechanism, and this drilling rod is scale formula drilling rod, and length is N meters, from last to down every M centimetre set up the round height to be X centimetre, the recess that is the Y millimeter of depth to use reflecting paint, along the direction of driling from last to down the recess in different colours of spraying respectively;
the portable XRF element analyzer is used for detecting and analyzing rock debris; the single anchor rod drilling machine also comprises a transmission crawler, a timing device, a disc and a fixed platform, wherein the rock debris processing and collecting device comprises a shell, a rock debris collecting funnel, a filtering roller, a rock debris collecting cup and a water drainage hole;
the disc and the drill rod are coaxially arranged on a rotating mechanism of the single anchor rod drilling machine, and the fixed platform is arranged on the single anchor rod drilling machine; the timing device is used for recording the time spent by each drilling M centimeters of the drill rod.
The bottom of the rock debris collecting funnel is communicated with the filtering roller through a collecting pipe, the bottom of the rock debris collecting funnel is also provided with a funnel hole matched with the drill rod, the filtering roller is installed inside the shell through a bearing, the bottom of the shell is provided with a drain hole, the side wall of the shell is provided with a through hole, one end of the transmission crawler passes through the through hole and is sleeved on the outer wall of the filtering roller, the other end of the transmission crawler passes through the through hole and is sleeved on the disc, and the rock debris collecting cup is placed;
n, M, X, Y are all positive integers.
Preferably, the single body jumbolter is hydraulic.
Preferably, the bottom and the side wall of the filtering roller are both provided with filtering holes.
Preferably, 5 colors of red, yellow, green, cyan and blue are respectively sprayed in the grooves from top to bottom along the drilling direction.
Compared with the prior art, the utility model has the advantages of it is following:
1) the utility model has simple structure, small volume and convenient movement, collects rock debris generated by drilling through the rock debris collecting funnel, dries the rock debris through the filter drum, falls into the rock debris collecting cup, stops drilling every time the drill rod drills for a certain distance in the process of collecting the rock debris, collects the rock debris in the distance section through the rock debris collecting cup, detects and analyzes the rock debris in the rock debris collecting cup through the portable XRF element analyzer, records and numbers the rock debris collecting cup, simultaneously changes the rock debris collecting cup, collects the next rock debris, repeats the steps, records and numbers the rock debris collecting cup taken out every time according to the sequence, can determine the lithology characteristics of the rock stratum in the drilling hole from shallow to deep according to the sequence of the serial numbers of the rock debris collecting cup after the rock debris are completely collected, realizes the real-time accurate continuous detection of the lithology components of the top plate in the process of roadway driving, the method provides scientific basis for design and adjustment of support modes and support parameters, and reduces roof fall accidents to the maximum extent.
2) The utility model discloses a along with the change of tunnel roof lithology composition and in time adjust the purpose of strutting the scheme, overcome the single engineering difficult problem of the unknown mode of strutting of lithology composition in same tunnel, be applicable to the geological conditions that tunnel roof lithology is complicated.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the structure of the drill rod of the present invention.
In the figure: 1. a roadway roof; 2. a rock debris collection funnel; 21. a collection tube; 3. a drill stem; 4. a bearing; 5. a drive track; 6. a filter drum; 7. a rock debris collection cup; 8. a drain hole; 81. a housing; 9. a single jumbolter; 91. a disc; 92. a fixed platform; 10. a timing device; 11. roadway floor.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the utility model relates to a roadway roof lithologic composition measurement while drilling device based on the rock debris logging technology, which comprises a rock debris collecting and processing device, a single-body jumbolter 9 and a portable XRF element analyzer for detecting and analyzing rock debris;
the single anchor rod drilling machine 9 comprises a drill rod 3, a transmission crawler 5, a timing device 10, a large-diameter disc 91 and a fixed platform 92; the rock debris processing and collecting device comprises a shell 81, a rock debris collecting funnel 2, a filtering roller 6, a rock debris collecting cup 7 and a water drainage hole 8;
The bottom of the rock debris collecting funnel 2 is communicated with the filtering roller 6 through a collecting pipe 21, the bottom of the rock debris collecting funnel 2 is further provided with a funnel hole matched with the drill rod 3, the filtering roller 6 is installed inside the shell 81 through a bearing 4, the bottom of the shell 81 is provided with a drain hole 8, the side wall of the shell is provided with a through hole, one end of the transmission crawler 5 penetrates through the through hole and is sleeved on the outer wall of the roller, the other end of the transmission crawler 5 is sleeved on the large-diameter disc 91, and the rock debris collecting cup 7 is placed on the fixed platform 92 and is positioned;
the drill rod 3 is a scale type drill rod 3, namely, scales are marked on the drill rod 3, the length of the drill rod is 1 meter, a circle of groove with the height of 1 centimeter and the depth of 1 millimeter is arranged every 20 centimeters from top to bottom, and 5 color strips of red, yellow, green, cyan and blue are respectively sprayed in the groove from top to bottom along the drilling direction by using reflective coating.
The single anchor rod drilling machine 9 adopts a hydraulic type, and the chiseling process is more stable.
The bottom and the side wall of the filtering roller 6 are provided with filtering holes, the large-diameter disc 91 on the single anchor rod drilling machine 9 rotates at a high speed, and the filtering roller 6 is driven to rotate at a high speed through the transmission crawler 5, so that the moisture on the rock debris is dried.
The using method comprises the following steps:
1) before drilling, drilling: placing the single anchor rod drilling machine 9 on a roadway bottom plate 11, placing the rock debris collecting and processing device on a fixed platform 92 of the single anchor rod drilling machine 9, lifting the rock debris collecting funnel 2 to a drilling position, and fixing the rock debris collecting funnel 2 on the rock wall of a roadway top plate 1 needing drilling by using a bolt;
2) starting a hole drilling process: the scale type drill rod 3 and the drill bit of the single anchor rod drilling machine 9 penetrate through a funnel hole of the rock debris collecting funnel 2 and are vertically placed below the rock wall of the roadway top plate 1 to be drilled to start drilling, and the scale type drill rod 3 is continuously lengthened in the drilling process until the required drilling depth is reached;
the rock debris produced during drilling drops into the rock debris collecting hopper 2 and enters the filtering roller 6 through the collecting pipe 21, and the single anchor rod drilling machine 9 drives the large-diameter disc 91 to rotate at a high speed, so that the transmission crawler 5 drives the filtering roller 6 to rotate at a high speed, the rock debris drops into the filtering roller 6 and then rotates at a high speed, moisture in the rock debris is dried, and the thrown moisture is discharged along the water outlet 8 at the bottom of the shell 81.
In the drilling process, when the drill rod 3 drills 20 cm, rock drilling is stopped, the time used when the drill rod 3 drills 20 cm is recorded by the timing device 10, the drilling speed is calculated, the higher the rock strength is, the slower the drilling speed is, the lower the strength is, the faster the drilling speed is, the rock strength of the roadway top plate 1 can be roughly obtained through the drilling speed, and the lithology component of the roadway top plate 1 is determined more accurately. Meanwhile, the filtering roller 6 stops rotating, the rock debris dried by the filtering roller 6 falls into the rock debris collecting cup 7, the rock debris collecting cup 7 is taken out, the portable XRF element analyzer is used for detecting and analyzing the rock debris in the taken-out rock debris collecting cup 7, the rock debris collecting cup 7 is recorded and numbered, meanwhile, the rock debris collecting cup 7 is replaced, the next 20 cm rock debris is collected, the operation is repeated in this way, the rock debris collecting cup 7 taken out at each time is recorded and numbered in sequence, and after all the rock debris are collected, the lithology characteristics of the top plate rock stratum in the drilled hole can be determined from depth to depth according to the numbering sequence of the rock debris collecting cup 7.
Claims (4)
1. A roadway roof lithologic component measurement while drilling device based on a rock debris logging technology comprises a rock debris collecting and processing device and a single anchor rod drilling machine, wherein the single anchor rod drilling machine comprises a drill rod arranged on a rotating mechanism of the single anchor rod drilling machine, the drill rod is a scale type drill rod, the length of the drill rod is N meters, a circle of grooves with the height of X centimeters and the depth of Y millimeters are formed every M centimeters from top to bottom, and different colors are respectively sprayed in the grooves from top to bottom along a drilling direction by using a reflective coating; the method is characterized in that:
the portable XRF element analyzer is used for detecting and analyzing rock debris; the single anchor rod drilling machine also comprises a transmission crawler, a timing device, a disc and a fixed platform, wherein the rock debris processing and collecting device comprises a shell, a rock debris collecting funnel, a filtering roller, a rock debris collecting cup and a water drainage hole;
the disc and the drill rod are coaxially arranged on a rotating mechanism of the single anchor rod drilling machine, and the fixed platform is arranged on the single anchor rod drilling machine; the timing device is used for recording the time spent by each drilling of the drill rod for M centimeters;
the bottom of the rock debris collecting funnel is communicated with the filtering roller through a collecting pipe, the bottom of the rock debris collecting funnel is also provided with a funnel hole matched with the drill rod, the filtering roller is installed inside the shell through a bearing, the bottom of the shell is provided with a drain hole, the side wall of the shell is provided with a through hole, one end of the transmission crawler passes through the through hole and is sleeved on the outer wall of the filtering roller, the other end of the transmission crawler passes through the through hole and is sleeved on the disc, and the rock debris collecting cup is placed;
n, M, X, Y are all positive integers.
2. The device for measuring lithologic composition of the roadway roof while drilling based on the rock debris logging technology as claimed in claim 1, wherein the single jumbolter is hydraulic.
3. The roadway roof lithologic component measurement while drilling device based on the rock debris logging technology as recited in claim 2, wherein the bottom and the side wall of the filtering drum are both provided with filtering holes.
4. The device for measuring lithologic composition of the roadway roof while drilling based on the rock debris logging technology as recited in claim 2, wherein 5 colors of red, yellow, green, cyan and blue are respectively sprayed in the grooves from top to bottom along the drilling direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921541987.2U CN210660062U (en) | 2019-09-17 | 2019-09-17 | Roadway roof lithologic component measurement-while-drilling device based on rock debris logging technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921541987.2U CN210660062U (en) | 2019-09-17 | 2019-09-17 | Roadway roof lithologic component measurement-while-drilling device based on rock debris logging technology |
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| Publication Number | Publication Date |
|---|---|
| CN210660062U true CN210660062U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921541987.2U Expired - Fee Related CN210660062U (en) | 2019-09-17 | 2019-09-17 | Roadway roof lithologic component measurement-while-drilling device based on rock debris logging technology |
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| CN (1) | CN210660062U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482991A (en) * | 2020-11-25 | 2021-03-12 | 中铁隧道局集团有限公司 | Roofbolter with geology discernment function |
| CN113431561A (en) * | 2021-07-12 | 2021-09-24 | 绍兴文理学院 | Automatic rock recognition device for drilling |
-
2019
- 2019-09-17 CN CN201921541987.2U patent/CN210660062U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482991A (en) * | 2020-11-25 | 2021-03-12 | 中铁隧道局集团有限公司 | Roofbolter with geology discernment function |
| CN112482991B (en) * | 2020-11-25 | 2023-01-03 | 中铁隧道局集团有限公司 | Roofbolter with geology recognition function |
| CN113431561A (en) * | 2021-07-12 | 2021-09-24 | 绍兴文理学院 | Automatic rock recognition device for drilling |
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| 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: 20200602 Termination date: 20210917 |