CN118208145A - Three-hole drill with adjustable pitch for crawler-type full-hydraulic tunnel for coal mine - Google Patents
Three-hole drill with adjustable pitch for crawler-type full-hydraulic tunnel for coal mine Download PDFInfo
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- CN118208145A CN118208145A CN202410615608.9A CN202410615608A CN118208145A CN 118208145 A CN118208145 A CN 118208145A CN 202410615608 A CN202410615608 A CN 202410615608A CN 118208145 A CN118208145 A CN 118208145A
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- crawler
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- rod
- frame support
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- 239000003245 coal Substances 0.000 title claims abstract description 24
- 238000005553 drilling Methods 0.000 claims abstract description 115
- 230000000670 limiting effect Effects 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 2
- 230000008093 supporting effect Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B6/00—Drives for drilling with combined rotary and percussive action
- E21B6/02—Drives for drilling with combined rotary and percussive action the rotation being continuous
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of mine tunnel drilling machines, in particular to a three-hole drilling machine with adjustable pitch of a crawler type full-hydraulic tunnel for a coal mine. When the drilling component drives three drilling holes to rotate, the feeding component is driven to operate, an impact force effect is applied to the drilling rod during the period of providing drilling force for the drilling rod, so that the drilling performance and the drilling efficiency of the drilling machine are improved, and on the other hand, the drilling rod drills into holes along the inner wall of the first key groove, and the first key groove is close to the drill bit part of the drilling rod during drilling, so that good supporting effect can be provided for the drilling rod in the drilling process, the head of the drilling rod is prevented from swinging, and the drilling accuracy is improved.
Description
Technical Field
The invention relates to the technical field of mine tunnel drilling machines, in particular to a three-hole drilling machine with adjustable hole pitch for a crawler-type full-hydraulic tunnel for a coal mine.
Background
The crawler-type full-hydraulic tunnel drilling machine for coal mine is a main drilling equipment for mining coal mine in tunnel, is a power head type drilling machine, belongs to self-propelled, high-torque and wide-rotating speed type drilling machines, and is widely used for the current tunnel drilling operation of coal mine and other underground engineering.
According to the Chinese patent application publication number: CN116398042a, the disclosed crawler-type full-hydraulic tunnel pitch-adjustable three-hole drilling machine for coal mine, not only can be used for adjusting three points of a power head group according to the point positions of coal seam drilling, and has high drilling efficiency, but also can greatly improve the coal mining efficiency, but the drilling machine still has the defect that the drill bit part of the drilling machine lacks ideal supporting arrangement, because the span of the drill bit and the drill bit is larger, the drill bit is easy to swing during the starting, the drilling precision and the drilling stability are poor, and the drilling machine only drills holes through a rotary feeding mode, the drilling mode is single, and the drilling efficiency is not ideal.
Disclosure of Invention
Therefore, the invention provides a crawler-type all-hydraulic tunnel three-hole drilling machine with adjustable hole pitch for a coal mine, so as to solve the problems.
The invention provides the following technical scheme: the three-hole drilling machine with the adjustable hole pitch for the crawler-type full-hydraulic tunnel for the coal mine comprises a crawler travelling machine, wherein a drilling component is arranged at the top of the crawler travelling machine;
The drilling component comprises three gear boxes, wherein the three gear boxes are positioned at the left end of the top of the crawler traveling machine, the three gear boxes are sequentially distributed front and back, a driving sleeve is rotatably arranged in each gear box, a drill rod is slidably connected in each driving sleeve, the bottom of the gear box positioned in the middle is fixedly connected with the top of the crawler traveling machine, the front gear box and the rear gear box are slidably connected with the top surface of the crawler traveling machine, and a feeding component is arranged at the top of the crawler traveling machine;
The feeding component comprises second adapter seats fixedly mounted at the top of the crawler travelling machine, the two second adapter seats are distributed left and right, the second adapter seats are located on the right side of a gear box in the middle, two driven shafts which are distributed front and back are rotatably mounted between the second adapter seats, driven gears are fixedly mounted on the left part of the outer wall of each driven shaft, one driving gear is meshed between the driven gears, the driving gears are fixedly mounted at the right end of the outer wall of one driving sleeve in the middle, a shifting turntable is fixedly mounted in the middle of the outer wall of each driven shaft, a plurality of shifting rods are mounted on the outer wall of each shifting turntable at equal angles, a feeding shaft rod is mounted between the two third adapter seats in a rotating mode, the feeding shaft rod is located between the two second adapter seats, two wide feeding gears which are distributed front and back are fixedly mounted on the outer wall of each feeding shaft, a torsion ring is arranged on the outer wall of each feeding shaft, and the torsion ring is arranged on the outer wall of each feeding shaft.
As a preferable scheme of the invention, a plurality of key blocks distributed at equal angles are fixedly arranged on the outer wall of the drill rod, the left end of the driving sleeve is provided with first key grooves in a penetrating way, the number of the key blocks is matched with that of the first key grooves, the outer wall of the key blocks is in sliding connection with the inner wall of the first key grooves, a plurality of meshing teeth distributed at equal angles are arranged on the surface of the key blocks, and the feeding wide gear and the feeding narrow gear are meshed with the corresponding meshing teeth.
As a preferable scheme of the invention, the feeding narrow gear is positioned between the two torsion rings, the feeding narrow gear is positioned at the bottom of the middle drill rod, and the two feeding wide gears are respectively positioned at the bottoms of the two drill rods which are distributed back and forth.
As a preferred scheme of the invention, the two torsion rings are positioned at the bottoms of the two driven shafts, and the specification of the L-shaped path groove is matched with the specification of the deflector rod.
As a preferable scheme of the invention, the top of the crawler travel machine is fixedly provided with two first adapter seats which are distributed front and back, a driving rod is arranged between the two first adapter seats in a rotating way, the driving rod movably penetrates through the front side and the back side surfaces of the three gear boxes, the outer side of one first adapter seat is fixedly provided with a hydraulic motor, the output shaft of the hydraulic motor is fixedly connected with one end of the driving rod, the outer wall of the driving rod is fixedly provided with three worms which are sequentially distributed front and back, the top parts of the three worms are respectively meshed with a worm wheel, and the inner walls of the three worm wheels are respectively fixedly connected with the outer walls of the three driving sleeves.
As a preferable scheme of the invention, the front end and the rear end of the top of the crawler travel machine are fixedly provided with two left-right distributed linear guide rails, the linear guide rails are positioned at the left end and the right end of a gear box, and the front gear box and the rear gear box are in sliding connection with the top of the crawler travel machine through the linear guide rails.
As a preferable scheme of the invention, the top of the crawler travelling machine is fixedly provided with two fourth adapter seats which are distributed back and forth, a forward and reverse screw rod is arranged between the two fourth adapter seats in a rotating way, the forward and reverse screw rod is positioned at the left end of the gear box, one of the outer sides of the fourth adapter seats is fixedly provided with a stepping motor, an output shaft of the stepping motor is fixedly connected with one end of the forward and reverse screw rod, the forward and reverse screw rod is in front and back reverse screw thread arrangement with middle symmetrical distribution, the periphery screw thread of the forward and reverse screw rod is connected with two internal screw thread blocks which are distributed back and forth, and the right side surfaces of the internal screw thread blocks are respectively fixedly connected with the lower parts of the left side surfaces of the front and back gear boxes.
According to the preferred scheme, the right end of the top of the crawler travelling machine is fixedly provided with the frame support component, the frame support component comprises a frame support frame fixedly installed on the top of the crawler travelling machine, a middle frame support plate is fixedly installed in the middle of the inside of the frame support frame, a middle frame support sleeve is rotatably installed in the middle frame support plate, two movable frame support plates distributed front and back are slidably installed in the frame support frame, the two movable frame support plates are located on the periphery of the middle frame support plate, movable frame support sleeves are rotatably installed in the two movable frame support plates, and the middle frame support sleeves and the movable frame support sleeves are respectively and slidably sleeved on the periphery of a drill rod at corresponding positions.
As a preferable scheme of the invention, the outer wall of the movable support sleeve is provided with the limit sleeve in a sliding manner, the top of the limit sleeve is fixedly provided with the connecting block, the connecting block is arranged in a right-angle bending manner, one end of the connecting block, which is far away from the limit sleeve, is fixedly provided with the positioning block, one side surface of the positioning block, which is far away from the connecting block, is provided with the first slots which are distributed in a front-back equidistant manner, the front part of the left side surface and the rear part of the left side surface of the support frame are provided with the second slots which are distributed in a front-back equidistant manner, the first slots are matched with the second slots in specification, and the first slots are mutually meshed with the second slots.
As a preferable scheme of the invention, the periphery of the movable frame support sleeve is sleeved with a spring, and the spring is fixedly arranged between the movable frame support plate and the limiting sleeve.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the drilling machine, the three drilling holes are driven to rotate through the drilling component, the feeding component is driven to operate, an impact force effect is applied to the drilling rod during the period of providing drilling force for the drilling rod, so that the drilling performance and the drilling efficiency of the drilling machine are improved, on the other hand, the drilling rod drills into the hole along the inner wall of the first key groove, and the first key groove is close to the drill bit part of the drilling rod during drilling, so that a good supporting effect can be provided for the drilling rod in the drilling process, the head of the drilling rod is prevented from swinging, and the accuracy of drilling is improved.
2. According to the invention, a good supporting effect is provided for the tail part of the drill rod through arranging the support component, the tail part is prevented from swinging when the drill rod rotates, the stability and the accuracy of drilling are improved, in addition, during the hole pitch adjustment, the two limiting sleeves slide along the outer walls of the two movable support sleeves towards the side far away from the support frame, the spring is stretched to store force, so that the first slot is separated from the second slot, the movable support sleeve, the connecting block, the positioning block and the first slot are driven to move together when the drill rod moves, the connecting block is released until the hole pitch adjustment is completed, the rebound resilience of the spring is released, the limiting sleeves, the connecting block, the positioning block and the first slot are driven to move towards the side close to the support frame, the positioning block is inserted into the second slot again, the operation is simple, and the use is convenient.
Drawings
FIG. 1 is a schematic diagram of a three-hole drilling machine according to the present invention;
FIG. 2 is a schematic view of the structure of the drilling assembly and the support assembly of the present invention;
FIG. 3 is a schematic view of the structure of the drilling and feeding parts of the present invention;
FIG. 4 is a schematic view showing the detailed construction of the drilling and feeding members of the present invention;
FIG. 5 is a schematic view showing the detailed construction of the feeding section of the present invention;
FIG. 6 is a detailed schematic view of the torsion ring of the present invention;
FIG. 7 is a schematic view of the basket assembly and drill rod of the present invention;
FIG. 8 is a detailed schematic view of the frame member of the present invention;
FIG. 9 is an enlarged view of the portion A of FIG. 8 according to the present invention;
fig. 10 is a schematic view of the detailed construction of the drill rod according to the present invention.
In the figure: 1. a crawler travel machine; 201. a gear box; 202. a linear guide rail; 203. a drive sleeve; 204. a first keyway; 205. a drill rod; 2052. a key block; 2053. meshing teeth; 206. a first adapter; 207. a driving rod; 208. a hydraulic motor; 209. a worm; 2010. a worm wheel; 301. the second adapter seat; 302. a driven shaft; 303. a driven gear; 304. a drive gear; 305. a dial; 306. a rotating rod is dialled; 307. the third adapter seat; 308. a feed shaft; 309. feeding a wide gear; 3010. feeding a narrow gear; 3011. twisting the circular ring; 3012. an L-shaped path groove; 401. a fourth adapter; 402. a stepping motor; 403. a positive and negative screw rod; 404. an internal thread block; 501. a frame; 502. a middle support plate; 503. a middle support sleeve; 504. a movable support plate; 505. a movable support sleeve; 506. a limit sleeve; 507. a connecting block; 508. a positioning block; 509. a first slot; 5010. a spring; 5011. and a second slot.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1 to 10, the technical scheme provided by the present invention specifically includes the following embodiments:
Example 1
The utility model provides a crawler-type full-hydraulic tunnel pitch-adjustable three-hole drilling machine for coal mines, which comprises a crawler travel machine 1, wherein a drilling component is arranged at the top of the crawler travel machine 1;
The drilling component comprises three gear boxes 201, the three gear boxes 201 are positioned at the left end of the top of the crawler traveling machine 1, the three gear boxes 201 are sequentially distributed front and back, a driving sleeve 203 is rotatably arranged in each of the three straight gear boxes 201, a drill rod 205 is slidably connected in the driving sleeve 203, the bottom of the gear box 201 positioned in the middle is fixedly connected with the top of the crawler traveling machine 1, the front gear box 201 and the rear gear box 201 are slidably connected with the top surface of the crawler traveling machine 1, and a feeding component is arranged at the top of the crawler traveling machine 1;
A plurality of key blocks 2052 distributed at equal angles are fixedly arranged on the outer wall of the drill rod 205, the left end of the driving sleeve 203 is provided with first key grooves 204 in a penetrating mode, the number of the key blocks 2052 is matched with that of the first key grooves 204, and the outer wall of the key blocks 2052 is in sliding connection with the inner wall of the first key grooves 204;
The top of crawler travel machine 1 is fixedly provided with two first adapter seats 206 that distribute from front to back, a actuating lever 207 is installed in the joint rotation between two first adapter seats 206, actuating lever 207 activity runs through the front and back both sides face of three gear box 201, the outside fixed mounting of one of them first adapter seat 206 has hydraulic motor 208, the output shaft of hydraulic motor 208 and one of them one end fixed connection of actuating lever 207, fixed mounting has three worm 209 that distribute in proper order from front to back on the outer wall of actuating lever 207, the worm wheel 2010 has all been meshed at the top of three worm 209, the inner wall of three worm wheel 2010 is with the outer wall fixed connection of three drive sleeve 203 respectively.
In this embodiment, the output shaft of the hydraulic motor 208 drives the driving rod 207 to rotate along the joint of the two first adapter seats 206, so as to drive the three worms 209 to rotate together, the three worms 209 rotate to drive the three worm gears 2010 and the three driving sleeves 203 to rotate respectively, the driving sleeves 203 rotate to drive the first key groove 204 to rotate together, the drill rod 205 is further driven to rotate for drilling under the torque limiting effect of the first key groove 204 and the key block 2052, and the first key groove 204 is sleeved on the periphery of the drill rod 205, so that the head of the drill rod 205 can be supported during drilling, the head of the drill rod 205 can be prevented from swinging, and the accuracy and stability of drilling are improved.
Example two
The feeding part comprises a second adapter 301 fixedly arranged at the top of the crawler traveling machine 1, the two second adapter 301 are distributed left and right, the second adapter 301 is positioned at the right side of the middle gear box 201, two driven shafts 302 which are distributed front and back are rotatably arranged between the two second adapter 301, driven gears 303 are fixedly arranged at the left part of the outer wall of the driven shafts 302, a driving gear 304 is meshed between the two driven gears 303, the driving gear 304 is fixedly arranged at the right end of the outer wall of the middle driving sleeve 203, a dial plate 305 is fixedly arranged at the middle part of the outer wall of the driven shaft 302, a plurality of dial rods 306 are equiangularly arranged on the outer wall of the dial plate 305, a third adapter 307 which is distributed front and back is fixedly arranged at the top of the crawler traveling machine 1, a feeding shaft rod 308 is installed between the two third adapter seats 307 in a co-rotation mode, the feeding shaft rod 308 is located between the two second adapter seats 301, two feeding wide gears 309 and one feeding narrow gear 3010 which are distributed front and back are fixedly installed on the outer wall of the feeding shaft rod 308, two torsion rings 3011 which are distributed front and back are fixedly installed on the outer wall of the feeding shaft rod 308, the feeding narrow gear 3010 is located between the two torsion rings 3011, the feeding narrow gear 3010 is located at the bottom of a drill rod 205 in the middle, the two feeding wide gears 309 are located at the bottoms of the two drill rods 205 which are distributed front and back respectively, the two torsion rings 3011 are located at the bottoms of the two driven shaft rods 302, a plurality of L-shaped path grooves 3012 are formed in equal angles on the outer wall of the torsion rings 3011, and the specifications of the L-shaped path grooves 3012 are matched with those of the shifting rod 306;
the surface of the key block 2052 is provided with a plurality of engaging teeth 2053 distributed at equal angles, and the feeding wide gear 309 and the feeding narrow gear 3010 are engaged with the corresponding engaging teeth 2053.
In this embodiment, the output shaft of the hydraulic motor 208 drives the driving rod 207 to rotate along the transition position of the two first adapter seats 206, so as to drive the three worms 209 to rotate together, the three worms 209 rotate to drive the three worm gears 2010 and the three driving sleeves 203 respectively, so that the three drilling rods 205 are driven to rotate for drilling, meanwhile, one driving sleeve 203 positioned in the middle rotates to drive the driving gear 304 to rotate, the driving gear 304 drives the two driven gears 303 meshed with the driving gear 304 to rotate together with the two driven gears 302, the two driven shafts 302 drive the two shifting discs 305 and the plurality of shifting rods 306 to rotate, the plurality of shifting rods 306 rotate to sequentially slide into the inner parts of the plurality of L-shaped path grooves 3012, and further drive the torsion ring 3011 to rotate around the transition position of the two third adapter seats 307 together with the feeding shaft rods 308, and the L-shaped path grooves 3012 are arranged in an L-shaped mode, when the shifting rods 306 slide into the initial section of the L-shaped path grooves 3012, after the driving ring 3011 rotates clockwise by a certain angle, the shifting rods 306 slide across the L-shaped path grooves to slide along the positions of the first rotating grooves 3010, and then the drilling rods 309 slide to the inner walls of the drilling rods, and then the drilling rods can slide along the first end face into the first end face of the drilling rods 309, thus improving the drilling efficiency, and the drilling rod can be further meshed with the drilling rods 309, and the drilling efficiency can be simultaneously driven by the drilling rods 309 and the drilling rods can slide along the first end face and the end face.
Example III
The front end and the rear end of the top of the crawler travel machine 1 are fixedly provided with two linear guide rails 202 which are distributed left and right, the linear guide rails 202 are positioned at the left end and the right end of the gear boxes 201, and the front gear box and the rear gear box 201 are in sliding connection with the top of the crawler travel machine 1 through the linear guide rails 202;
The top of crawler travel machine 1 is fixedly provided with two fourth adapter seats 401 which are distributed front and back, a forward and reverse screw rod 403 is installed between the two fourth adapter seats 401 in a common rotation mode, the forward and reverse screw rod 403 is located at the left end of the linear guide rail 202, the outer side of one fourth adapter seat 401 is fixedly provided with a stepping motor 402, an output shaft of the stepping motor 402 is fixedly connected with one end of the forward and reverse screw rod 403, the forward and reverse screw rod 403 is in front and back reverse screw thread arrangement in middle symmetrical distribution, two inner screw thread blocks 404 which are distributed front and back are connected with peripheral screw threads of the forward and reverse screw rod 403, and the right side face of each inner screw thread block 404 is fixedly connected with the lower parts of the left side faces of the front and back gear boxes 201 respectively.
In this embodiment, the forward and reverse screw rods 403 are driven by the output shaft of the stepping motor 402 to rotate around the switching positions of the two fourth adapter seats 401, so that the two internal thread blocks 404 move close to or far away from each other, the two gear boxes 201 at the rear end and the front end are driven to move away from or close to each other along the linear guide 202, the two driving sleeves 203 at the rear end and the front end are further driven to move together, the distance between the three driving sleeves 203 is adjusted, the driving sleeves 203 move to drive the drill rods 205 to move together, the hole pitch of the drilled hole is adjusted in a fit manner, and the application range of the drilling machine is improved.
Example IV
The right end of the top of the crawler travelling machine 1 is fixedly provided with a frame support component, the frame support component comprises a frame support 501 fixedly arranged at the top of the crawler travelling machine 1, a middle frame support plate 502 is fixedly arranged in the middle of the inside of the frame support 501, a middle frame support sleeve 503 is rotatably arranged in the middle frame support plate 502, two movable frame support plates 504 which are distributed front and back are slidably arranged in the frame support 501, the two movable frame support plates 504 are positioned at the periphery of the middle frame support plate 502, movable frame support sleeves 505 are rotatably arranged in the two movable frame support plates 504, and the middle frame support sleeve 503 and the movable frame support sleeve 505 are respectively and slidably sleeved at the periphery of a drill rod 205 at corresponding positions;
The outer wall of the movable support sleeve 505 is provided with a limiting sleeve 506 in a sliding manner, the top of the limiting sleeve 506 is fixedly provided with a connecting block 507, the connecting block 507 is arranged in a right-angle bending manner, one end of the connecting block 507, which is far away from the limiting sleeve 506, is fixedly provided with a positioning block 508, one side surface of the positioning block 508, which is far away from the connecting block 507, is provided with a plurality of first slots 509 which are distributed in a front-back equidistant manner, the front part of the left side surface and the rear part of the left side surface of the support frame 501 are provided with a plurality of second slots 5011 which are distributed in a front-back equidistant manner, the first slots 509 are matched with the second slots 5011 in specification, and the first slots 509 are meshed with the second slots 5011;
The periphery of the movable support sleeve 505 is sleeved with a spring 5010, and the spring 5010 is fixedly arranged between the movable support plate 504 and the limiting sleeve 506.
In this embodiment, when the hole pitch between the drill rods 205 is adjusted, a worker is required to slide the two limiting sleeves 506 along the outer walls of the two movable frames support 505 to a side far away from the frame 501, the springs 5010 are stretched to store force, so that the first slots 509 are separated from the second slots 5011, when the drill rods 205 move, the movable frames support 505, the connecting blocks 507, the positioning blocks 508 and the first slots 509 are driven to move together, until the hole pitch adjustment is completed, the connecting blocks 507 are released, the rebound resilience of the springs 5010 is released, the limiting sleeves 506, the connecting blocks 507, the positioning blocks 508 and the first slots 509 are driven to move to a side close to the frame 501, the positioning blocks 508 are inserted into the second slots 5011 again, the limiting sleeves 506 and the front and rear positions of the movable frames support 505 are limited, the tail of the drill rods 205 is supported through the limiting effect of the movable frames support 505, the tail of the drill rods 205 is prevented from swinging, and the stability of drilling is ensured.
When the crawler-type full-hydraulic tunnel three-hole drilling machine with adjustable hole pitch for coal mines works, a driving device of a crawler travelling machine 1 is arranged to travel in a mine tunnel, a drilling part is carried to a position where drilling needs to be carried out, a forward and reverse screw rod 403 is driven by an output shaft of a stepping motor 402 to rotate around the switching positions of two fourth switching seats 401, so that two internal thread blocks 404 move close to or away from each other, two gear boxes 201 at the rear end and the front end are driven to move away from or close to each other along a linear guide rail 202, two driving sleeves 203 at the rear end and the front end are further driven to move together, the distance between the three driving sleeves 203 is adjusted, a drill rod 205 is driven to move together by the movement of the driving sleeves 203, and meanwhile, the worker is required to slide the two limit sleeves 506 along the outer walls of the two movable frame-type supporting sleeves 505 to the side far away from the frame-type supporting frame 501, the spring 5010 is stretched to store force, so that the first slot 509 is separated from the second slot 5011, and the movable frame-type supporting sleeve 505, the connecting block 507, the locating block 508 and the first slot 509 are driven to move together when the drill rod 205 moves, the connecting block 507 is loosened until the hole pitch adjustment is completed, the rebound resilience of the spring 5010 is released, the limit sleeves 506, the connecting block 507, the locating block 508 and the first slot 509 are driven to move to the side close to the frame-type supporting frame 501, the locating block 508 is inserted into the second slot 5011 again, the front and rear positions of the limit sleeves 506 and the movable frame-type supporting sleeve 505 are limited, the tail of the drill rod 205 is supported through the limiting function of the movable frame-type supporting sleeve 505, the tail of the drill rod 205 is prevented from swinging during drilling, and the stability of drilling is ensured;
During drilling, the output shaft of the hydraulic motor 208 drives the driving rod 207 to rotate along the joint of the two first adapter seats 206, the three worms 209 are driven to rotate together, the three worms 209 rotate to respectively drive the three worm gears 2010 and the three driving sleeves 203 to rotate, the three drill rods 205 are driven to rotate for drilling, meanwhile, one driving sleeve 203 positioned in the middle rotates to drive the driving gear 304 to rotate, the driving gear 304 drives the two driven gears 303 meshed with the driving gear 304 to rotate along with the two driven shaft rods 302, the two driven shaft rods 302 drive the two shifting disks 305 and the plurality of shifting rods 306 to rotate, the plurality of shifting rods 306 rotate to sequentially slide into the inner parts of the plurality of L-shaped path grooves 3012, and further drive the torsion ring 3011 to rotate along the joint of the two third adapter seats 307, and further drive the torsion ring 3011 to rotate along the inner wall 205 of the first adapter seat 309, and then the drilling rod 204 is meshed with the first end of the drilling rod 205, and the drilling rod 205 can be further meshed with the inner wall of the first drill rod 205 in a narrow groove 309 due to the fact that the shifting rod 306 slides into the L-shaped path grooves 3012, and the first end of the first drill rod 205 is meshed with the first drill rod 205 is driven to move along the inner wall of the first drill rod 205, and the first drill rod 204 is further meshed with the inner wall of the first drill rod 204 is meshed with the first drill rod 204 due to the narrow drill rod 205, and the drilling hole is further improved in the drilling efficiency is provided. Avoiding the head of the drill rod 205 from swinging is beneficial to improving the accuracy of drilling.
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.
Claims (10)
1. A crawler-type full-hydraulic tunnel three-hole drilling machine with adjustable hole pitch for coal mines is characterized in that: the crawler belt traveling machine (1) is arranged at the top of the crawler belt traveling machine (1);
The drilling component comprises three gear boxes (201), wherein the three gear boxes (201) are positioned at the left end of the top of the crawler traveling machine (1), the three gear boxes (201) are sequentially distributed front and back, a driving sleeve (203) is rotatably arranged in each gear box (201), a drill rod (205) is slidably connected in each driving sleeve (203), the bottom of the gear box (201) positioned in the middle is fixedly connected with the top of the crawler traveling machine (1), the front gear boxes (201) and the rear gear boxes (201) are slidably connected with the top surface of the crawler traveling machine (1), and a feeding component is arranged at the top of the crawler traveling machine (1);
the feeding component comprises two second adapter seats (301) fixedly arranged at the top of the crawler travelling machine (1), the two second adapter seats (301) are distributed left and right, the second adapter seats (301) are positioned on the right side of a gear box (201) in the middle, two driven shaft rods (302) which are distributed front and back are rotatably arranged between the two second adapter seats (301), driven gears (303) are fixedly arranged at the left part of the outer wall of each driven shaft rod (302), one driving gear (304) is meshed between the two driven gears (303), the driving gears (304) are fixedly arranged at the right end of the outer wall of a driving sleeve (203), a dial plate (305) is fixedly arranged in the middle of the outer wall of each driven shaft rod (302), a plurality of rotary rods (306) are arranged on the outer wall of each dial plate (305) at equal angles, a third adapter seat (307) which is distributed front and back is rotatably arranged between the two driven shaft rods (303), a driving gear (304) is fixedly arranged between the two driven gears (307) and the two driven shaft rods (308) are arranged on the outer wall of the crawler travelling machine (1), a narrow end of each driven shaft rod (308) is fixedly arranged between the two driven shaft rods (308), two torsion circular rings (3011) which are distributed front and back are fixedly arranged on the outer wall of the feeding shaft rod (308), and a plurality of L-shaped path grooves (3012) are formed in the outer wall of the torsion circular rings (3011) at equal angles.
2. The three-hole drilling machine with adjustable hole pitch for crawler-type full-hydraulic tunnels for coal mines according to claim 1, wherein the three-hole drilling machine is characterized in that: the utility model discloses a drilling machine, including drilling rod (205) and wide gear (309) and narrow gear (3010), a plurality of equiangular distribution's meshing teeth (2053) have all been seted up on the outer wall of drilling rod (205), first keyway (204) has been run through to the left end of driving sleeve (203), the quantity of key piece (2052) and the quantity looks adaptation of first keyway (204), just the outer wall of key piece (2052) and the inner wall sliding connection of first keyway (204), a plurality of equiangular distribution's meshing teeth (2053) have all been seted up on the surface of key piece (2052), advance wide gear (309) and advance narrow gear (3010) and mesh with meshing teeth (2053) that correspond.
3. The three-hole drilling machine with adjustable hole pitch for crawler-type full-hydraulic tunnels for coal mines according to claim 1, wherein the three-hole drilling machine is characterized in that: the feeding narrow gear (3010) is located between the two torsion rings (3011), the feeding narrow gear (3010) is located at the bottom of the middle drill rod (205), and the two feeding wide gears (309) are respectively located at the bottoms of the two drill rods (205) which are distributed front and back.
4. The three-hole drilling machine with adjustable hole pitch for crawler-type full-hydraulic tunnels for coal mines according to claim 1, wherein the three-hole drilling machine is characterized in that: two torsion rings (3011) are positioned at the bottoms of the two driven shafts (302), and the specification of the L-shaped path groove (3012) is matched with the specification of the deflector rod (306).
5. The three-hole drilling machine with adjustable hole pitch for crawler-type full-hydraulic tunnels for coal mines according to claim 1, wherein the three-hole drilling machine is characterized in that: the crawler belt traveling machine comprises a crawler belt traveling machine body, wherein two first adapter seats (206) which are distributed front and back are fixedly arranged at the top of the crawler belt traveling machine body, a driving rod (207) is installed between the two first adapter seats (206) in a rotating mode, the driving rod (207) movably penetrates through the front side surface and the rear side surface of three gear boxes (201), a hydraulic motor (208) is fixedly arranged on the outer side of one first adapter seat (206), an output shaft of the hydraulic motor (208) is fixedly connected with one end of the driving rod (207), three worms (209) which are sequentially distributed front and back are fixedly arranged on the outer wall of the driving rod (207), worm wheels (2010) are meshed at the top of the three worms (209), and the inner walls of the worm wheels (2010) are fixedly connected with the outer walls of three driving sleeves (203) respectively.
6. The three-hole drilling machine with adjustable hole pitch for crawler-type full-hydraulic tunnels for coal mines according to claim 1, wherein the three-hole drilling machine is characterized in that: the crawler belt travelling machine is characterized in that two left-right distributed linear guide rails (202) are fixedly arranged at the front end and the rear end of the top of the crawler belt travelling machine (1), the linear guide rails (202) are located at the left end and the right end of a gear box (201), and the front gear box and the rear gear box (201) are slidably connected with the top of the crawler belt travelling machine (1) through the linear guide rails (202).
7. The three-hole drilling machine with adjustable hole pitch for crawler-type full-hydraulic tunnels for coal mines according to claim 1, wherein the three-hole drilling machine is characterized in that: the crawler belt advancing machine comprises a crawler belt advancing machine body, and is characterized in that two front-back distributed fourth adapter seats (401) are fixedly arranged at the top of the crawler belt advancing machine body (1), a front-back screw rod (403) is installed between the two fourth adapter seats (401) in a rotating mode, the front-back screw rod (403) is located at the left end of a gear box (201), one of the front-back screw rods (403) is fixedly arranged at the outer side of the fourth adapter seat (401), an output shaft of the stepping motor (402) is fixedly connected with one end of the front-back screw rod (403), the front-back screw rod (403) is symmetrically distributed in the middle of the front-back reverse screw rod, two front-back distributed internal thread blocks (404) are connected with peripheral threads of the front-back screw rod (403), and the right side face of each internal thread block (404) is fixedly connected with the lower portions of the left side faces of the front-back two gear boxes (201).
8. The three-hole drilling machine with adjustable hole pitch for crawler-type full-hydraulic tunnels for coal mines according to claim 1, wherein the three-hole drilling machine is characterized in that: the right end of the top of the crawler traveling machine (1) is fixedly provided with a frame support component, the frame support component comprises a frame support (501) fixedly installed at the top of the crawler traveling machine (1), a middle frame support plate (502) is fixedly installed in the middle of the inside of the frame support (501), a middle frame support sleeve (503) is installed in the middle of the middle frame support plate (502) in a rotating mode, two movable frame support plates (504) distributed front and back are installed in the frame support (501) in a sliding mode, the two movable frame support plates (504) are located on the periphery of the middle frame support plate (502), movable frame support sleeves (505) are installed in the two movable frame support plates (504) in a rotating mode, and the middle frame support sleeves (503) and the movable frame support sleeves (505) are respectively and slidably sleeved on the periphery of a drill rod (205) at corresponding positions.
9. The three-hole drilling machine with adjustable hole pitch for crawler-type full-hydraulic tunnels for coal mines according to claim 8, wherein the three-hole drilling machine is characterized in that: all slidable mounting has stop collar (506) on the outer wall of movable frame support sleeve (505), the equal fixed mounting in top of stop collar (506) has connecting block (507), connecting block (507) are right angle bending type setting, just the one end that stop collar (506) was kept away from to connecting block (507) is equal fixed mounting has locating piece (508), a plurality of first slots (509) that equidistant distributed around were seted up to one side of connecting block (507) are kept away from to locating piece (508), a plurality of second slots (5011) that equidistant distributed around all were seted up at the left surface front portion and the left surface rear portion of frame (501) are held up to the frame, first slot (509) and second slot (5011) specification looks adaptation, just first slot (509) and second slot (5011) intermeshing.
10. The three-hole drilling machine with adjustable hole pitch for crawler-type full-hydraulic tunnels for coal mines according to claim 9, wherein the three-hole drilling machine is characterized in that: the periphery of the movable support sleeve (505) is sleeved with a spring (5010), and the spring (5010) is fixedly arranged between the movable support plate (504) and the limiting sleeve (506).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410615608.9A CN118208145B (en) | 2024-05-17 | 2024-05-17 | Three-hole drill with adjustable pitch for crawler-type full-hydraulic tunnel for coal mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410615608.9A CN118208145B (en) | 2024-05-17 | 2024-05-17 | Three-hole drill with adjustable pitch for crawler-type full-hydraulic tunnel for coal mine |
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| CN118208145A true CN118208145A (en) | 2024-06-18 |
| CN118208145B CN118208145B (en) | 2024-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410615608.9A Active CN118208145B (en) | 2024-05-17 | 2024-05-17 | Three-hole drill with adjustable pitch for crawler-type full-hydraulic tunnel for coal mine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT65548A (en) * | 1975-09-05 | 1976-10-01 | Fischer Artur | Drilling unit |
| JP2004100364A (en) * | 2002-09-12 | 2004-04-02 | Nippon Sharyo Seizo Kaisha Ltd | Kelly bar drive device |
| CN215672022U (en) * | 2021-05-06 | 2022-01-28 | 王�义 | Portable drilling device for underground geological prospecting |
| CN218991484U (en) * | 2023-02-22 | 2023-05-09 | 山西众诚机械设备制造有限公司 | Power head of compaction type deep drilling CFG pile machine |
| CN116398042A (en) * | 2023-05-23 | 2023-07-07 | 石家庄矿安机械设备有限公司 | Three-hole drill with adjustable pitch for crawler-type full-hydraulic tunnel for coal mine |
-
2024
- 2024-05-17 CN CN202410615608.9A patent/CN118208145B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT65548A (en) * | 1975-09-05 | 1976-10-01 | Fischer Artur | Drilling unit |
| JP2004100364A (en) * | 2002-09-12 | 2004-04-02 | Nippon Sharyo Seizo Kaisha Ltd | Kelly bar drive device |
| CN215672022U (en) * | 2021-05-06 | 2022-01-28 | 王�义 | Portable drilling device for underground geological prospecting |
| CN218991484U (en) * | 2023-02-22 | 2023-05-09 | 山西众诚机械设备制造有限公司 | Power head of compaction type deep drilling CFG pile machine |
| CN116398042A (en) * | 2023-05-23 | 2023-07-07 | 石家庄矿安机械设备有限公司 | Three-hole drill with adjustable pitch for crawler-type full-hydraulic tunnel for coal mine |
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| Publication number | Publication date |
|---|---|
| CN118208145B (en) | 2024-07-30 |
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