CN116607883B - Directional drilling machine for gas extraction - Google Patents

Directional drilling machine for gas extraction Download PDF

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Publication number
CN116607883B
CN116607883B CN202310886526.3A CN202310886526A CN116607883B CN 116607883 B CN116607883 B CN 116607883B CN 202310886526 A CN202310886526 A CN 202310886526A CN 116607883 B CN116607883 B CN 116607883B
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China
Prior art keywords
plate
rod
drilling machine
crossbar
gas extraction
Prior art date
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Application number
CN202310886526.3A
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Chinese (zh)
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CN116607883A (en
Inventor
李恒忠
李恒强
冯天祥
秦志强
杨腾
柴勇盛
马泽敏
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Taigong Intelligent Drilling Research Institute Co ltd
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Taigong Intelligent Drilling Research Institute Co ltd
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Priority to CN202310886526.3A priority Critical patent/CN116607883B/en
Publication of CN116607883A publication Critical patent/CN116607883A/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/04Directional drilling
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00Supports for the drilling machine, e.g. derricks or masts
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00Supports for the drilling machine, e.g. derricks or masts
    • E21B15/04Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/081Screw-and-nut feed mechanisms
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/24Guiding or centralising devices for drilling rods or pipes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention discloses a directional drilling machine for gas extraction, which comprises a drill bit, a movable adjusting plate and a top mounting plate, and belongs to the technical field of gas extraction drilling.

Description

Directional drilling machine for gas extraction
Technical Field
The invention belongs to the technical field of gas extraction drilling, and particularly relates to a directional drilling machine for gas extraction.
Background
For the coal seam with high gas and low air permeability, the coal seam gas content is high, the gas pressure is high, in order to ensure safe exploitation of the coal seam, the gas content of the coal seam is reduced by utilizing drilling to pre-extract the gas, the gas is ensured not to be overrun during the back exploitation, a gas extraction drilling machine is key equipment for underground gas treatment, when the drilling of extraction holes is carried out in a narrow roadway at present, a large-scale drilling machine cannot enter, underground workers can only adopt a handheld drilling machine to drill, so that the drilling efficiency is low, a large number of workers cannot be simultaneously accommodated during the roadway narrowing, the workers are difficult to operate when the drilling rod is lengthened, the drilling efficiency is extremely low, the drilling direction of the handheld drilling machine is difficult to grasp, the roadway side is easy to damage during the operation of the workers, and therefore the directional drilling machine is required to be used for gas extraction to solve the problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a directional drilling machine for gas extraction, which solves the problems in the prior art.
The technical scheme adopted by the invention is as follows: the invention provides a directional drilling machine for gas drainage, which comprises a drill bit, a movable adjusting plate and a top mounting plate, wherein one end of the drill bit is in threaded connection with one end of a drill rod, the other end of the drill rod is in threaded connection with a rotating shaft head, the rotating shaft head is rotatably connected to the side wall of a supporting vertical plate, a concave part is arranged on the outer wall of the other end of the drill rod, the concave part is arranged in a circumferential array along the circle center of the drill rod, two sides of the drill rod are provided with limiting arc plates, clamping strips are arranged on the inner arc surface of the limiting arc plates, the clamping strips can be completely attached to the concave part, the supporting vertical plate is arranged on the top wall of the movable adjusting plate, two sides of the movable adjusting plate are respectively provided with a first side vertical plate and a second side vertical plate, an L-shaped sliding groove is arranged in the second side vertical plate, the L-shaped sliding plate is connected in the sliding way, the limiting arc plates are arranged on the top wall of the L-shaped sliding plate, a built-in hydraulic cylinder is arranged in the top mounting plate, the free end of the built-in hydraulic cylinder extends out from one side wall of the top mounting plate, the free end of the hydraulic cylinder is provided with a pressing plate which is abutted against a pressing plate, the pressing plate is arranged on the alloy rubber pad and the rubber pad is arranged on the rubber pad alternately, and the rubber pad is arranged on the rubber pad bearing plate is arranged on the memory pad.
As a preferable technical scheme of the invention, the end parts of the two drill rods can be connected through threads, the drill bit and the drill rods are hollow, the concave parts are distributed at equal intervals, and four concave parts are arranged on a single drill rod.
As a preferable technical scheme of the invention, a driving motor is arranged on the side wall of the other side of the supporting vertical plate, and the rotating shaft head is in rotating connection with the driving motor.
As a preferable technical scheme of the invention, side edge mounting blocks are arranged on the side walls of the two sides of the movable adjusting plate, the side edge mounting blocks are penetrated by the guide rods, the side edge mounting blocks can slide along the guide rods, and the two ends of the guide rods are respectively fixed on the first side vertical plate and the second side vertical plate.
As a preferable technical scheme of the invention, a transmission screw rod is arranged between the first side vertical plate and the second side vertical plate, penetrates through the movable adjusting plate, and is in rotary connection with the first side vertical plate and the second side vertical plate.
As a preferable technical scheme of the invention, the side wall of the first side vertical plate is provided with an adjusting motor which is in rotary connection with the transmission screw rod.
As a preferable technical scheme of the invention, the bottom side wall of the L-shaped sliding plate is provided with gear teeth which are meshed with the adjusting gear, the adjusting gear is rotationally connected on the top wall of the top mounting plate, the shaft part of the adjusting gear is rotationally connected with the bottom motor, and the bottom motor is arranged on the bottom wall of the top mounting plate.
As a preferable technical scheme of the invention, the bottom of the top mounting plate is provided with a height adjusting mechanism, the height adjusting mechanism comprises a sliding short shaft, a first cross rod, a sliding long shaft, a second cross rod, a connecting shaft, a connecting rod and a driving hydraulic cylinder, the middle section of the first cross rod is hinged with the middle section of the second cross rod, the first cross rod and the second cross rod are hinged through the connecting shaft, two groups of the first cross rod and the second cross rod are arranged, the connecting rod is connected between the second cross rods on two sides, the middle section of the connecting rod is hinged with one end of the driving hydraulic cylinder, the sliding short shaft is arranged on the top side wall of the first cross rod, and the sliding long shaft is arranged on the bottom side wall of the second cross rod.
As a preferable technical scheme of the invention, the sliding long shaft and the sliding short shaft extend into the limiting slide way, the sliding long shaft and the sliding short shaft can slide along the limiting slide way, and the limiting slide way is arranged on the top wall of the base and the bottom wall of the top mounting plate.
As a preferable technical scheme of the invention, the bottom end of the first cross rod is hinged with the base, the top end of the second cross rod is hinged with the bottom wall of the top mounting plate, and the other end of the driving hydraulic cylinder is hinged with the base.
The directional drilling machine for gas extraction has the following beneficial effects:
(1) After the limiting arc plate is contacted with the drill rod, the clamping strip on the inner side of the limiting arc plate stretches into the concave part, so that the position of the end drill rod can be fixed, the end drill rod is prevented from continuing to rotate, the rotating shaft head is reversed at the moment and moves towards the position far away from the drill rod, the rotating shaft head can be separated from the drill rod, a new drill rod is conveniently and subsequently added at the end drill rod, the whole length of the drill rod is increased, and the drilling depth is increased.
(2) After the combination body of the memory alloy plate and the rubber pad contacts with the roadway wall, workers can support against the top mounting plate with force, equipment is prevented from moving at will in the drilling process, the roadway wall can be prevented from being seriously damaged by utilizing the flexible characteristics of the memory alloy plate and the rubber pad, and meanwhile, the service life of the rubber pad can be prolonged and the stability of the equipment can be improved by utilizing the elasticity of the rubber pad and the shape and the characteristics of the memory alloy.
(3) The first cross rod and the second cross rod can be folded or stretched to adjust the height of the drill bit, so that each part of the roadway side can be drilled conveniently.
(4) The movable adjusting plate can drive the drill bit to move towards the inside of the coal seam, no external force is applied to drilling equipment by workers, the occupied space of the detachable drill rod is small, and the workers can independently complete drilling work in a narrow roadway.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a directional drilling machine for gas extraction;
FIG. 2 is a side view of a directional drilling machine for gas extraction according to the present invention;
FIG. 3 is a front view of a directional drilling machine for gas extraction according to the present invention;
FIG. 4 is a schematic view of a partial structure of a directional drilling machine for gas extraction according to the present invention;
FIG. 5 is a schematic diagram showing the connection relationship between the second side riser and the L-shaped sliding plate according to the present invention;
FIG. 6 is a cross-sectional view of a top mounting plate according to the present invention;
FIG. 7 is a schematic view of the overall structure of the drill bit and the drill rod according to the present invention;
fig. 8 is a schematic view of the overall structure of the height adjusting mechanism according to the present invention.
The drilling machine comprises a drilling head, a drilling rod, a drilling 102, a concave part, a rotating shaft head, a drilling 104, a supporting vertical plate, a drilling 105, a driving motor, a moving adjusting plate, a drilling 201, a side mounting block, a drilling 202, a guiding rod, a drilling 203, a transmission screw, a drilling 204, a first side vertical plate, a drilling 205, a second side vertical plate, a drilling 206, an L-shaped sliding groove, a drilling 207, an adjusting motor, a drilling 3, a top mounting plate, a built-in hydraulic cylinder, a drilling 302, a collision bearing plate, a drilling 303, a rubber pad, a drilling 304, a memory alloy plate, a drilling 4, an L-shaped sliding plate, a drilling 401, a limiting arc plate, a drilling 402, a clamping strip 403, gear teeth 404, an adjusting gear, a drilling 405, a bottom motor, a height adjusting mechanism, a drilling 501, a limiting slide rail, a drilling 502, a base, a drilling 503, a sliding short shaft 504, a first cross rod, a drilling 505, a sliding long shaft, a second cross rod, a 507, a connecting shaft, a 508, a connecting shaft, a connecting 509, a connecting shaft, a 509, a connecting rod, a 509 and a driving hydraulic cylinder.
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As a new embodiment of the present invention, as shown in fig. 1-8, the present invention proposes a directional drilling machine for gas extraction, which comprises a drill bit 1, a movable adjusting plate 2 and a top mounting plate 3, wherein one end of the drill bit 1 is in threaded connection with one end of a drill rod 101, the other end of the drill rod 101 is in threaded connection with a rotating shaft head 103, the rotating shaft head 103 is rotatably connected to a side wall of a supporting riser 104, a concave part 102 is arranged on the outer wall of the other end of the drill rod 101, the concave part 102 is arranged in a circumferential array along the center of the drill rod 101, two sides of the drill rod 101 are provided with limiting arc plates 401, clamping strips 402 are mounted on the inner arc surfaces of the limiting arc plates 401, the clamping strips 402 can be completely attached to the concave part 102, the supporting riser 104 is mounted on the top wall of the movable adjusting plate 2, two sides of the movable adjusting plate 2 are respectively provided with a first side riser 204 and a second side riser 205, the second side riser 205 is internally provided with an L-shaped chute 206, the L-shaped chute 206 is slidably connected to the L-shaped sliding plate 4, the limiting arc plates 401 are mounted on the top end of the L-shaped sliding plate 4, the first side riser 204 and the second side riser 205 are provided with a rubber pad 301 and a rubber pad 301 are mounted on the side wall of the top mounting plate 3, the top mounting plate is provided with a free bearing plate 301, and a hydraulic pad 303 is mounted on the side of the top mounting plate 301 is mounted on the top mounting plate 3, and the top mounting plate is provided with a free bearing plate 303.
As shown in fig. 7, the end portions of two drill rods 101 can be connected by threads, the drill bit 1 and the drill rods 101 are hollow, the concave portions 102 are distributed at equal intervals, and four concave portions 102 are arranged on a single drill rod 101.
As shown in fig. 4, a driving motor 105 is arranged on the side wall of the other side of the supporting vertical plate 104, and the rotating shaft head 103 is in rotating connection with the driving motor 105.
As shown in fig. 4, side mounting blocks 201 are mounted on both side walls of the movement adjusting plate 2, the side mounting blocks 201 are penetrated by guide bars 202, the side mounting blocks 201 are slidable along the guide bars 202, and both ends of the guide bars 202 are fixed to a first side riser 204 and a second side riser 205, respectively.
As shown in fig. 4, a transmission screw 203 is installed between the first side vertical plate 204 and the second side vertical plate 205, the transmission screw 203 passes through the movement adjusting plate 2, and the transmission screw 203 is rotatably connected with the first side vertical plate 204 and the second side vertical plate 205.
As shown in fig. 4, an adjusting motor 207 is mounted on the side wall of the first side vertical plate 204, and the adjusting motor 207 is rotatably connected with the transmission screw 203.
As shown in fig. 3 and 5, the bottom side wall of the L-shaped sliding plate 4 is provided with gear teeth 403, the gear teeth 403 are in meshed connection with an adjusting gear 404, the adjusting gear 404 is rotatably connected to the top wall of the top mounting plate 3, the shaft part of the adjusting gear 404 is rotatably connected to a bottom motor 405, and the bottom motor 405 is mounted on the bottom wall of the top mounting plate 3.
As shown in fig. 8, the bottom of the top mounting plate 3 is provided with a height adjusting mechanism 5, the height adjusting mechanism 5 comprises a sliding short shaft 503, a first cross rod 504, a sliding long shaft 505, a second cross rod 506, a connecting shaft 507, a connecting rod 508 and a driving hydraulic cylinder 509, the middle section of the first cross rod 504 is hinged with the middle section of the second cross rod 506, the first cross rod 504 and the second cross rod 506 are hinged through the connecting shaft 507, the first cross rod 504 and the second cross rod 506 are provided with two groups, the connecting rod 508 is connected between the second cross rods 506 on two sides, the middle section of the connecting rod 508 is hinged with one end of the driving hydraulic cylinder 509, the sliding short shaft 503 is mounted on the top side wall of the first cross rod 504, and the sliding long shaft 505 is mounted on the bottom side wall of the second cross rod 506.
As shown in fig. 8, the sliding major axis 505 and the sliding minor axis 503 extend into the limiting slide 501, and the sliding major axis 505 and the sliding minor axis 503 may slide along the limiting slide 501, and the limiting slide 501 is mounted on the top wall of the base 502 and the bottom wall of the top mounting plate 3.
As shown in fig. 8, the bottom end of the first cross bar 504 is kept hinged to the base 502, the top end of the second cross bar 506 is kept hinged to the bottom wall of the top mounting plate 3, and the other end of the driving hydraulic cylinder 509 is kept hinged to the base 502.
When the drilling machine is specifically used, a moving device is installed at the bottom of a base 502 or the base 502 is installed on a guide rail in a roadway, the drilling machine is moved to a drilling position when drilling is needed, a drill bit 1 is close to the roadway side, then a driving motor 105 and an adjusting motor 207 are started, the driving motor 105 drives a drill rod 101 and the drill bit 1 to rotate, the adjusting motor 207 drives a transmission screw 203 to rotate, the transmission screw 203 drives a movable adjusting plate 2 to move along a guide rod 202 towards the direction close to the roadway side, the movable adjusting plate 2 drives the rotating drill bit 1 and the drill rod 101 to enter the roadway side, when the movable adjusting plate 2 moves to the position closest to the roadway side, at the moment, if the drilling depth is not reached, the driving motor 105 and the adjusting motor 207 are suspended, a bottom motor 405 is started, an adjusting gear 404 is driven to rotate, the adjusting gear 404 drives L-shaped sliding plates 4 at two sides to be close to each other, at the moment, a limiting arc plate 401 is used for clamping the end of the drill rod 101, at the moment, a clamping strip 402 at the inner side of the limiting arc plate 401 stretches into a concave part 102 to limit and fix the end 101, then the driving motor 105 and the adjusting motor 207 are controlled to rotate the end 103, the end 103 is controlled to rotate, and the end 103 is connected with the end 103, and the end 103 is automatically rotates, and the end 103 is connected with the end 101 in a new mode, and the drilling machine can not rotate, and the end 101 is connected with the roadway 101, and the end 101 is automatically rotates, and the end 101 is connected with the roadway end, and the end 101 is rotated, and the end 101 and the machine is rotated; in the drilling process, in order to ensure the accuracy of the drilling direction, a worker can prop against the top mounting plate 3 forcefully, prop against the memory alloy plate 304 on the roadway wall, after the memory alloy plate 304 and the rubber pad 303 are pressed, the vibration amplitude transmitted to the roadway wall by equipment in the drilling process can be reduced, meanwhile, the roadway wall can be prevented from being seriously damaged by utilizing the flexible characteristics of the memory alloy plate 304 and the rubber pad 303, and meanwhile, the service life of the roadway wall can be prolonged and the stability of the equipment can be improved by utilizing the elasticity of the rubber pad 303 and the shape and the characteristics of the memory alloy; when the heights of the drill bit 1 and the drill rod 101 need to be adjusted, the hydraulic cylinder 509 is driven to drive the first cross rod 504 and the second cross rod 506 to fold or extend, so that the heights of the drill bit 1 and the drill rod 101 can be adjusted, and each part of the roadway wall can be conveniently drilled.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.

Claims (10)

1. The utility model provides a directional drilling machine is adopted in gas drainage, includes drill bit (1), removes regulating plate (2) and top mounting panel (3), the one end of drill bit (1) keeps threaded connection with the one end of drilling rod (101), the other end and the rotation spindle nose (103) of drilling rod (101) keep threaded connection, rotation spindle nose (103) rotate to connect locate on the lateral wall that supports riser (104), its characterized in that: the utility model discloses a hydraulic cylinder, including drilling rod (101) and hydraulic cylinder (301) and a free bearing cylinder (301) is equipped with, be equipped with depressed part (102) on the outer wall of the other end of drilling rod (101), depressed part (102) are arranged along the centre of a circle of drilling rod (101) and are circumference array, the both sides of drilling rod (101) are equipped with spacing arc board (401), install joint strip (402) on the intrados of spacing arc board (401), joint strip (402) can laminate with depressed part (102) completely, support riser (104) are installed on the roof of removal regulating plate (2), the both sides of removal regulating plate (2) are equipped with first side riser (204) and second side riser (205) respectively, be equipped with L type spout (206) in second side riser (205), the top of L type spout (206) sliding connection has L type sliding plate (4), install on the top of L type sliding plate (4) spacing arc board (401), first side riser (204) and second side riser (205) are installed on top (3), be equipped with in the roof of removal regulating plate (2) and be equipped with hydraulic cylinder (301) and be equipped with free bearing cylinder (301) and be equipped with in the free bearing cylinder (301) is held up from the free bearing cylinder (301), and the rubber pad (303) is provided with memory alloy plates (304), and the memory alloy plates (304) and the rubber pad (303) are alternately arranged.
2. The directional drilling machine for gas extraction according to claim 1, wherein: the end between two drilling rods (101) can be connected through threads, the drill bit (1) and the drilling rods (101) are hollow, the concave portions (102) are distributed at equal intervals, and four concave portions (102) on the single drilling rod (101) are arranged.
3. A directional drilling machine for gas extraction according to claim 2, characterized in that: a driving motor (105) is arranged on the side wall of the other side of the supporting vertical plate (104), and the rotating shaft head (103) is in rotating connection with the driving motor (105).
4. A directional drilling machine for gas extraction according to claim 3, characterized in that: side installation blocks (201) are installed on the side walls of the two sides of the movable adjusting plate (2), the side installation blocks (201) are penetrated by guide rods (202), the side installation blocks (201) can slide along the guide rods (202), and two ends of the guide rods (202) are respectively fixed on a first side vertical plate (204) and a second side vertical plate (205).
5. The directional drilling machine for gas extraction according to claim 4, wherein: a transmission screw rod (203) is arranged between the first side vertical plate (204) and the second side vertical plate (205), the transmission screw rod (203) penetrates through the movable adjusting plate (2), and the transmission screw rod (203) is rotationally connected with the first side vertical plate (204) and the second side vertical plate (205).
6. The directional drilling machine for gas extraction according to claim 5, wherein: an adjusting motor (207) is mounted on the side wall of the first side vertical plate (204), and the adjusting motor (207) is in rotary connection with the transmission screw rod (203).
7. The directional drilling machine for gas extraction according to claim 6, wherein: the bottom side wall of the L-shaped sliding plate (4) is provided with gear teeth (403), the gear teeth (403) are meshed with an adjusting gear (404), the adjusting gear (404) is rotatably connected to the top wall of the top mounting plate (3), the shaft part of the adjusting gear (404) is rotatably connected with a bottom motor (405), and the bottom motor (405) is mounted on the bottom wall of the top mounting plate (3).
8. The directional drilling machine for gas extraction according to claim 7, wherein: the bottom of top mounting panel (3) is equipped with high adjustment mechanism (5), high adjustment mechanism (5) are including slip minor axis (503), first crossbar (504), slip major axis (505), second crossbar (506), connecting axle (507), connecting rod (508) and drive pneumatic cylinder (509), the interlude of first crossbar (504) keeps articulated with the interlude of second crossbar (506), first crossbar (504) and second crossbar (506) keep articulated through connecting axle (507), first crossbar (504) and second crossbar (506) are equipped with two sets of, be connected with connecting rod (508) between second crossbar (506) of both sides, the interlude of connecting rod (508) keeps articulated with the one end of drive pneumatic cylinder (509), install slip minor axis (503) on the top lateral wall of first crossbar (504), install slip major axis (505) on the bottom lateral wall of second crossbar (506).
9. The directional drilling machine for gas extraction according to claim 8, wherein: the sliding long shaft (505) and the sliding short shaft (503) extend into the limiting slideway (501), the sliding long shaft (505) and the sliding short shaft (503) can slide along the limiting slideway (501), and the limiting slideway (501) is arranged on the top wall of the base (502) and the bottom wall of the top mounting plate (3).
10. The directional drilling machine for gas extraction according to claim 9, wherein: the bottom end of the first cross rod (504) is hinged with the base (502), the top end of the second cross rod (506) is hinged with the bottom wall of the top mounting plate (3), and the other end of the driving hydraulic cylinder (509) is hinged with the base (502).
CN202310886526.3A 2023-07-19 2023-07-19 Directional drilling machine for gas extraction Active CN116607883B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN202310886526.3A CN116607883B (en) 2023-07-19 2023-07-19 Directional drilling machine for gas extraction

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CN116607883B true CN116607883B (en) 2023-09-29

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CN103726869A (en) * 2014-01-24 2014-04-16 河南理工大学 Drilling with casing method for gas extraction hole of soft broken coal seam
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CA2879241A1 (en) * 2015-01-22 2016-07-22 Yves Nelson Drill positioning system for jumbo carrier unit
CN113504070A (en) * 2021-06-30 2021-10-15 贵州大学 Coal sample sampler for gas drainage of convenient clearance
CN114252291A (en) * 2021-12-09 2022-03-29 中铁十九局集团有限公司 Pile body detects with drilling coring device
CN114961684A (en) * 2022-06-09 2022-08-30 中煤科工集团重庆研究院有限公司 Coal seam permeability increasing and scour prevention cooperative continuous operation method with rock burst dangerous top plate
CN115012875A (en) * 2022-06-20 2022-09-06 中煤科工集团重庆研究院有限公司 Mining drilling and hole sealing integrated drilling machine
CN115949361A (en) * 2023-03-14 2023-04-11 中国矿业大学 Coal bed gas content measurement coring-while-drilling device and coring method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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