CN108303561B - Measurement while drilling device suitable for advanced geological forecast of mine roadway - Google Patents

Measurement while drilling device suitable for advanced geological forecast of mine roadway Download PDF

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Publication number
CN108303561B
CN108303561B CN201711161379.4A CN201711161379A CN108303561B CN 108303561 B CN108303561 B CN 108303561B CN 201711161379 A CN201711161379 A CN 201711161379A CN 108303561 B CN108303561 B CN 108303561B
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rotation speed
speed sensor
gear
drilling
detection gear
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CN108303561A (en
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陈剑
范晓飞
滕永波
岳志朋
丁继新
马俊学
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China University of Geosciences Beijing
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China University of Geosciences Beijing
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42Devices characterised by the use of electric or magnetic means
    • G01P3/44Devices characterised by the use of electric or magnetic means for measuring angular speed

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Earth Drilling (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The invention discloses a measurement while drilling device suitable for advanced geological forecast of a mine roadway, which solves the problem that a wind pressure medium-deep hole light down-the-hole drill in the prior art cannot accurately master the rotation speed and drilling speed of the drill in underground chamber drilling, explosion and excavation construction. The intelligent drilling machine comprises a driving motor, a speed reducer, a drilling rod, a first detection gear, a mounting bracket, a first rotating speed sensor, a first intelligent rotating speed digital display, a placing box, a gear shaft, a second detection gear, a second rotating speed sensor and a steel rule, wherein the second rotating speed sensor is connected with a second intelligent rotating speed digital display; the steel ruler is provided with ruler teeth which are meshed with gear teeth on the gear shaft, the steel ruler is horizontally positioned in the placement box, and the outer end of the steel ruler is connected with the tail end of the driving motor through a connecting piece. The invention has simple structure, scientific and reasonable design and convenient use, can monitor the rotation speed of the drill rod of the drilling machine and the drilling speed of the drilling machine in real time, and provides accurate data for accurately forecasting the detailed engineering geological condition of the drilling area.

Description

Measurement while drilling device suitable for advanced geological forecast of mine roadway
Technical Field
The invention relates to a measurement while drilling device suitable for advanced geological forecast of a mine roadway.
Background
In the prior art, when the wind pressure medium-deep hole light down-hole drill is used in underground chamber drilling and explosion excavation construction, the grasping of the drilling speed of the drill in the drilled and drilled holes is judged by the experience of the operator, and an accurate and efficient acquisition system for the drilling speed of the drill is not formed, so that the rotating speed of the drill and the drilling speed of the drill cannot be accurately grasped, and the detailed engineering geological condition of a drilling area cannot be accurately predicted.
Disclosure of Invention
The invention aims to solve the technical problems that: the measurement while drilling device suitable for advanced geological forecast of the mine roadway solves the problem that a wind pressure medium-deep hole light down-the-hole drilling machine in the prior art cannot accurately master the rotating speed and the drilling speed of the drilling machine in underground chamber drilling, explosion and excavation construction.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the drilling measurement device comprises a driving motor, a speed reducer connected with a driving shaft of the driving motor, a drill rod connected with the speed reducer through a coupler, a first detection gear coaxially fixed on the coupler and capable of synchronously rotating along with the coupler, a mounting bracket positioned at one side of the first detection gear, a first rotation speed sensor arranged on the mounting bracket through a fastening nut and used for detecting the rotation speed of the first detection gear, a first intelligent rotation speed digital display connected with the first rotation speed sensor through a lead wire, a placement box positioned right behind the driving motor, and a gear shaft, a second detection gear, a second rotation speed sensor and a steel rule which are all arranged in the placement box;
the gear shaft is vertically arranged in the placement box and can rotate freely relative to the placement box, the second detection gears are coaxially sleeved on the gear shaft and can rotate synchronously along with the gear shaft, the second rotation speed sensor is positioned on one side of the second detection gears and used for detecting the rotation speed of the second detection gears in real time, and the second rotation speed sensor is connected with a second intelligent rotation speed digital display arranged on the outer wall of the placement box through a lead wire; the steel ruler is provided with ruler teeth matched with gear teeth on the gear shaft, the ruler teeth are meshed with the gear teeth on the gear shaft, so that the gear shaft is driven to rotate when the steel ruler moves, the steel ruler is horizontally positioned in the placing box, and the outer end of the steel ruler is connected with the tail end of the driving motor through a connecting piece.
Further, the connecting piece comprises an L-shaped connecting rod connected with the outer end of the steel ruler through a connecting buckle, and a sleeved rod, wherein the inner end of the sleeved rod is fixed at the tail end of the driving motor, and the outer end of the sleeved rod is detachably connected with a short rod of the L-shaped connecting rod.
Further, a sleeve groove matched with the short rod of the L-shaped connecting rod is formed in the outer end of the sleeve connecting rod, the short rod of the L-shaped connecting rod is sleeved into the sleeve groove, and the short rod of the L-shaped connecting rod is fixed with the sleeve groove through a screw.
Further, the first rotation speed sensor and the second rotation speed sensor are both magneto-electric sensors.
Further, the installation clearance between the first rotating speed sensor and the first detection gear and the installation clearance between the second rotating speed sensor and the second detection gear are 0-5mm.
Further, the working voltages of the first rotating speed sensor and the second rotating speed sensor are DC5-28V.
Further, the mounting bracket is L-shaped, and the first rotation speed sensor is fixed on a vertical section of the mounting bracket.
Compared with the prior art, the invention has the following beneficial effects:
(1) The invention has simple structure, scientific and reasonable design and convenient use, can monitor the rotation speed of the drill rod of the drilling machine and the drilling speed of the drilling machine in real time, and provides accurate data for accurately forecasting the detailed engineering geological condition of the drilling area.
(2) According to the invention, the gear shaft, the second detection gear, the second rotation speed sensor and the steel rule are arranged in the placing box, the outer end of the steel rule is connected with the tail end of the drilling machine through the connecting piece, meanwhile, the steel rule is meshed with the gear shaft through the rule teeth arranged on the steel rule, the second detection gear is coaxially sleeved on the gear shaft, the second rotation speed sensor is positioned on one side of the second detection gear, when the drilling machine works, the steel rule drives the gear shaft to rotate through the connecting piece, the second detection gear and the gear shaft synchronously rotate, the second rotation speed sensor detects the rotation speed of the second detection gear in real time, detected information is transmitted to the second intelligent rotation speed digital display instrument to be displayed, the detected data is accurate, accurate data can be provided for accurately forecasting detailed engineering geological conditions of a drilling area, and a general operator can also accurately master drilling speed of the drilling machine in real time, so that labor cost can be greatly saved.
(3) According to the invention, the first detection gear which synchronously rotates is coaxially arranged on the coupler, the coupler and the drill rod synchronously rotate, the first rotation speed sensor is arranged at a position, which is 0-5mm away from the first detection gear, on one side of the first detection gear, the first rotation speed sensor is connected with the first intelligent rotation speed digital display instrument through the lead wire, the rotation speed of the first detection gear, namely the rotation speed of the drill rod, can be monitored in real time through the first rotation speed sensor, detected information is displayed on the first intelligent rotation speed digital display instrument, the detected data is accurate, accurate data can be provided for accurately forecasting the detailed engineering geological condition of a drilling area, and meanwhile, a general operator can also accurately master the rotation speed of the drill rod in real time, so that the labor cost can be greatly saved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
FIG. 2 is a schematic view of a first rotational speed sensor installation of the present invention.
Wherein, the names corresponding to the reference numerals are:
the device comprises a 1-driving motor, a 2-speed reducer, a 3-coupling, a 4-drill rod, a 5-first detection gear, a 6-mounting bracket, a 7-fastening nut, an 8-first rotation speed sensor, a 9-first intelligent rotation speed digital display, a 10-placing box, a 11-gear shaft, a 12-second detection gear, a 13-second rotation speed sensor, a 14-steel ruler, a 15-second intelligent rotation speed digital display, a 16-connecting buckle, a 17-L-shaped connecting rod, a 18-sleeve connecting rod and a 19-screw.
Detailed Description
The invention will be further illustrated by the following description and examples, which include but are not limited to the following examples.
As shown in figures 1 and 2, the measurement while drilling device suitable for advanced geological forecast of the mine roadway has the advantages of simple structure, scientific and reasonable design and convenience in use, can monitor the rotation speed of a drill rod of a drilling machine and the drilling speed of the drilling machine in real time, and provides accurate data for accurately forecasting the detailed engineering geological condition of a drilling area. The invention comprises a driving motor 1, a speed reducer 2 connected with a driving shaft of the driving motor 1, a drill rod 4 connected with the speed reducer 2 through a coupler 3, a first detection gear 5 coaxially fixed on the coupler 3 and synchronously rotating along with the coupler 3, a mounting bracket 6 positioned at one side of the first detection gear 5, a first rotation speed sensor 8 mounted on the mounting bracket 6 through a fastening nut 7 and used for detecting the rotation speed of the first detection gear 5, a first intelligent rotation speed digital display 9 connected with the first rotation speed sensor 8 through a lead wire, a placing box 10 positioned right behind the driving motor 1, a gear shaft 11, a second detection gear 12, a second rotation speed sensor 13 and a steel ruler 14 which are all arranged in the placing box 10, wherein the mounting bracket 6 is L-shaped, and the first rotation speed sensor 8 is fixed on the vertical section of the mounting bracket 6.
According to the invention, the first detection gear which synchronously rotates is coaxially arranged on the coupler, the coupler and the drill rod synchronously rotate, the first rotation speed sensor is arranged at a position, which is 0-5mm away from the first detection gear, on one side of the first detection gear, the first rotation speed sensor is connected with the first intelligent rotation speed digital display instrument through the lead wire, the rotation speed of the first detection gear, namely the rotation speed of the drill rod, can be monitored in real time through the first rotation speed sensor, detected information is displayed on the first intelligent rotation speed digital display instrument, the detected data is accurate, accurate data can be provided for accurately forecasting the detailed engineering geological condition of a drilling area, and meanwhile, a general operator can also accurately master the rotation speed of the drill rod in real time, so that the labor cost can be greatly saved.
The gear shaft 11 is vertically arranged in the placement box 10 and can rotate freely relative to the placement box 10, the second detection gear 12 is coaxially sleeved on the gear shaft 11 and can rotate synchronously along with the gear shaft 11, the second rotation speed sensor 13 is positioned on one side of the second detection gear 12 and is used for detecting the rotation speed of the second detection gear 12 in real time, and the second rotation speed sensor 13 is connected with a second intelligent rotation speed digital display 15 arranged on the outer wall of the placement box 10 through a lead wire; the steel rule 14 is provided with rule teeth matched with the gear teeth on the gear shaft 11, the rule teeth are meshed with the gear teeth on the gear shaft 11, so that the gear shaft 11 is driven to rotate when the steel rule 14 moves, the steel rule 14 is horizontally positioned in the placement box 10, and the outer end of the steel rule 14 is connected with the tail end of the driving motor 1 through a connecting piece.
The connecting piece comprises an L-shaped connecting rod 17 connected with the outer end of the steel rule 14 through a connecting buckle 16, and a sleeving rod 18, wherein the inner end of the sleeving rod 18 is fixed at the tail end of the driving motor 1, the outer end of the sleeving rod is detachably connected with a short rod of the L-shaped connecting rod 17, a sleeving groove matched with the short rod of the L-shaped connecting rod 17 is formed in the outer end of the sleeving rod 18, the short rod of the L-shaped connecting rod 17 is sleeved into the sleeving groove, and the short rod of the L-shaped connecting rod 17 and the sleeving groove are fixed through screws 19.
According to the invention, the first rotating speed sensor 8 and the second rotating speed sensor 13 are magneto-electric sensors, the installation gaps between the first rotating speed sensor 8 and the first detection gear 5 and between the second rotating speed sensor 13 and the second detection gear 12 are 0-5mm, and the working voltages of the first rotating speed sensor 8 and the second rotating speed sensor 13 are DC5-28V.
It should be noted that the second rotation speed sensor of the present invention may be installed and fixed by using a mounting bracket and a fastening nut, as in the case of installing the first rotation speed sensor.
According to the invention, the gear shaft, the second detection gear, the second rotation speed sensor and the steel rule are arranged in the placing box, the outer end of the steel rule is connected with the tail end of the drilling machine through the connecting piece, meanwhile, the steel rule is meshed with the gear shaft through the rule teeth arranged on the steel rule, the second detection gear is coaxially sleeved on the gear shaft, the second rotation speed sensor is positioned on one side of the second detection gear, when the drilling machine works, the steel rule drives the gear shaft to rotate through the connecting piece, the second detection gear and the gear shaft synchronously rotate, the second rotation speed sensor detects the rotation speed of the second detection gear in real time, detected information is transmitted to the second intelligent rotation speed digital display instrument to be displayed, the detected data is accurate, accurate data can be provided for accurately forecasting detailed engineering geological conditions of a drilling area, and a general operator can also accurately master drilling speed of the drilling machine in real time, so that labor cost can be greatly saved.
The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, but all the insubstantial modifications or color changes made in the main design concept and spirit of the present invention are still consistent with the present invention, and all the technical problems to be solved are included in the scope of the present invention.

Claims (7)

1. The utility model provides a measurement while drilling device suitable for mine tunnel advance geological forecast which characterized in that: the automatic speed control device comprises a driving motor (1), a speed reducer (2) connected with a driving shaft of the driving motor (1), a drill rod (4) connected with the speed reducer (2) through a coupler (3), a first detection gear (5) coaxially fixed on the coupler (3) and capable of synchronously rotating along with the coupler (3), a mounting bracket (6) positioned at one side of the first detection gear (5), a first rotation speed sensor (8) mounted on the mounting bracket (6) through a fastening nut (7) and used for detecting the rotation speed of the first detection gear (5), a first intelligent rotation speed digital display (9) connected with the first rotation speed sensor (8) through a lead wire, a placement box (10) positioned right behind the driving motor (1), and a gear shaft (11), a second detection gear (12), a second rotation speed sensor (13) and a steel ruler (14) which are all arranged in the placement box (10);
the gear shaft (11) is vertically arranged in the placement box (10) and can rotate freely relative to the placement box (10), the second detection gear (12) is coaxially sleeved on the gear shaft (11) and can rotate synchronously along with the gear shaft (11), the second rotation speed sensor (13) is positioned on one side of the second detection gear (12) and used for detecting the rotation speed of the second detection gear (12) in real time, and the second rotation speed sensor (13) is connected with a second intelligent rotation speed digital display (15) arranged on the outer wall of the placement box (10) through a lead wire; the steel ruler (14) is provided with ruler teeth matched with the gear teeth on the gear shaft (11), the ruler teeth are meshed with the gear teeth on the gear shaft (11) so that the gear shaft (11) is driven to rotate when the steel ruler (14) moves, the steel ruler (14) is horizontally positioned in the placement box (10), and the outer end of the steel ruler (14) is connected with the tail end of the driving motor (1) through a connecting piece;
when the drilling machine works, the connecting piece drives the steel rule to operate, the steel rule drives the gear shaft to rotate, the second detection gear and the gear shaft synchronously rotate, the second rotation speed sensor detects the rotation speed of the second detection gear in real time, and detected information is transmitted to the second intelligent rotation speed digital display instrument to be displayed, so that data are provided for accurately forecasting engineering geology of a drilling area;
the second rotation speed sensor is also installed and fixed by adopting a mounting bracket and a fastening nut.
2. The measurement while drilling device suitable for advanced geological forecast of mine roadways as claimed in claim 1, wherein: the connecting piece comprises an L-shaped connecting rod (17) connected with the outer end of the steel rule (14) through a connecting buckle (16), and a sleeved rod (18) with the inner end fixed at the tail end of the driving motor (1) and the outer end detachably connected with a short rod of the L-shaped connecting rod (17).
3. The measurement while drilling device suitable for advanced geological forecast of mine roadways as claimed in claim 2, wherein: the outer end of the sleeve joint rod (18) is provided with a sleeve joint groove matched with the short rod of the L-shaped connecting rod (17), the short rod of the L-shaped connecting rod (17) is sleeved into the sleeve joint groove, and the short rod of the L-shaped connecting rod (17) and the sleeve joint groove are fixed through screws (19).
4. A measurement while drilling device suitable for advanced geological forecast of mine roadways as claimed in claim 3, characterized in that: the first rotating speed sensor (8) and the second rotating speed sensor (13) are magneto-electric sensors.
5. The measurement while drilling device suitable for advanced geological forecast of mine roadways as described in claim 4, wherein: the installation clearance between the first rotating speed sensor (8) and the first detection gear (5) and the installation clearance between the second rotating speed sensor (13) and the second detection gear (12) are 0-5mm.
6. The measurement while drilling device suitable for advanced geological forecast of mine roadways as described in claim 5, wherein: the working voltages of the first rotating speed sensor (8) and the second rotating speed sensor (13) are DC5-28V.
7. The measurement while drilling device suitable for advanced geological forecast of mine roadways as described in claim 6, wherein: the mounting bracket (6) is L-shaped, and the first rotation speed sensor (8) is fixed on the vertical section of the mounting bracket (6).
CN201711161379.4A 2017-11-21 2017-11-21 Measurement while drilling device suitable for advanced geological forecast of mine roadway Active CN108303561B (en)

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CN109541177A (en) * 2018-11-29 2019-03-29 福建金东矿业股份有限公司 A kind of mine accurately measures device with geology

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