CN116641703A - Drilling device with waste gas collecting function for coal mine exploration - Google Patents
Drilling device with waste gas collecting function for coal mine exploration Download PDFInfo
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- CN116641703A CN116641703A CN202310619610.9A CN202310619610A CN116641703A CN 116641703 A CN116641703 A CN 116641703A CN 202310619610 A CN202310619610 A CN 202310619610A CN 116641703 A CN116641703 A CN 116641703A
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- plate
- fixedly connected
- rod
- extrusion plate
- rotating
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- 238000005553 drilling Methods 0.000 title claims abstract description 71
- 239000003245 coal Substances 0.000 title claims abstract description 29
- 239000002912 waste gas Substances 0.000 title claims abstract description 9
- 238000001125 extrusion Methods 0.000 claims abstract description 117
- 230000008878 coupling Effects 0.000 claims abstract description 26
- 238000010168 coupling process Methods 0.000 claims abstract description 26
- 238000005859 coupling reaction Methods 0.000 claims abstract description 26
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 17
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 17
- 241001330002 Bambuseae Species 0.000 claims abstract description 17
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 17
- 239000011425 bamboo Substances 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims description 32
- 230000007246 mechanism Effects 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 7
- 239000003921 oil Substances 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 239000000872 buffer Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 239000004575 stone Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 239000011435 rock Substances 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000005070 sampling Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/02—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil
-
- 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
- E21B12/00—Accessories for drilling tools
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
- E21B21/015—Means engaging the bore entrance, e.g. hoods for collecting dust
Landscapes
- 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)
- Soil Sciences (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a drilling device with a waste gas collecting function for coal mine exploration, and relates to the technical field of coal mine drilling. Including the carriage, the carriage rotates to be connected with and rotates the cover, rotates the lower part sliding connection of cover and has first spline pole, and the lower extreme rigid coupling of first spline pole has a bore section of thick bamboo, and the lower part rigid coupling of first spline pole has first fixed plate, and first spline pole cover is equipped with the elastic component, and the both ends of elastic component are rigid coupling respectively in rotating cover and first fixed plate, and the carriage rigid coupling has the support frame, and the support frame rigid coupling has first driving motor, and the output shaft rigid coupling of first driving motor has the gear. Extrusion force between the drill pipe and the bottom layer is monitored through the first elastic piece, so that the transmission ratio between the third extrusion plate and the fourth extrusion plate and between the second extrusion plate and the first extrusion plate is changed, the downward moving speed of the sliding frame is reduced, the situation that the downward moving speed of the drill pipe is too high is avoided, the extrusion force between the drill pipe and the bottom layer is continuously increased, and the drill pipe is blocked at the bottom layer is caused.
Description
Technical Field
The invention relates to the technical field of coal mine drilling, in particular to a drilling device with a waste gas collecting function for coal mine exploration.
Background
Geological investigation is an indispensable important link in the coal mining process, the coal mine needs to be sampled, and the mining direction is convenient to determine through analysis of samples, so that the working efficiency of mining can be improved on the premise of effectively ensuring the safe production of the coal mine, and the cost loss of the coal mine caused by blind mining is saved.
The existing device drills down and samples the coal mine through the drill barrel at a constant speed, because the rock distribution of the stratum is different, when the drill barrel drills down at a constant speed in a hard stratum, the extrusion force between the drill barrel and the stratum is increased, the drill barrel is easy to be blocked in a drilled hole, the drill barrel fails in drilling and sampling, however, the existing device cannot change the downward movement speed of the drill barrel according to the extrusion force between the drill barrel and the stratum, so that the defect of the prior art is necessarily overcome, and the drilling device with the waste gas collecting function for the coal mine exploration is designed according to the extrusion force between the drill barrel and the stratum, wherein the downward movement speed of the drill barrel is changed.
Disclosure of Invention
In order to overcome the defects of the prior device, the invention provides a drilling device with an exhaust gas collecting function for coal mine exploration.
The technical implementation scheme of the invention is as follows: the utility model provides a drilling equipment with waste gas collection function for prospecting in colliery, including the bottom plate, the bottom plate has symmetrical first dead lever through the mounting panel rigid coupling, sliding connection has the carriage between the first dead lever of symmetry, the carriage rotates and is connected with the rotating sleeve, the lower part of rotating sleeve is provided with the spline groove, sliding connection has first spline pole in the spline groove of rotating sleeve's lower part, the lower extreme rigid coupling of first spline pole has a bore section of thick bamboo, the lower part rigid coupling of first spline pole has first fixed plate, first spline pole cover is equipped with the elastic component, the both ends of elastic component rigid coupling respectively in rotating sleeve and first fixed plate, bore the pressure between section of thick bamboo and the stratum and increase, the elastic component is compressed, the elastic component buffering bore section of thick bamboo and the pressure between the stratum, the carriage rigid coupling has the support frame, the support frame rigid coupling has first driving motor, the output shaft rigid coupling of first driving motor has the gear, the upper portion rigid coupling of rotating sleeve has the gear with the last gear of first driving motor, bore section of thick bamboo is provided with cooling antifriction mechanism, cooling antifriction mechanism is used for reducing the friction between section of thick bamboo and the stone column, the bottom plate is provided with elevating system, elevating system is used for driving the carriage and moves downwards.
Further, the cooling antifriction mechanism is including rotating the shell, rotate the shell and rotate and connect in boring a section of thick bamboo, bore a section of thick bamboo and rotate and be provided with annular cavity between the shell, bore the upper portion rotation of a section of thick bamboo and be connected with the go-between, the interior ring face of go-between is provided with annular groove, bore the upper portion of a section of thick bamboo and be provided with equidistant through-hole in circumference, bore a section of thick bamboo circumference equidistant through-hole, with the annular groove of go-between with bore a section of thick bamboo and rotate annular cavity intercommunication between the shell, the lower part of rotating the shell is provided with equidistant through-hole in circumference, go-between rigid coupling and intercommunication have the inlet tube, the inlet tube rigid coupling is in the carriage.
Further, elevating system is including the lead screw, the lead screw rigid coupling is connected with the thread bush in the bottom plate, the rear portion rotation of carriage, thread bush and lead screw threaded connection, the lower part rigid coupling of thread bush has first stripper plate, the lower part sliding connection of thread bush has the second stripper plate, the upside rotation of second stripper plate is connected with first rotation ring, first stripper plate and second stripper plate all set up to the frustum shape, the carriage rotates and is connected with the dwang, the lower extreme of dwang is provided with variable speed subassembly, variable speed subassembly is used for changing the slew velocity of thread bush, the upper end of dwang is provided with the dead subassembly of anti-sticking that is used for preventing the card of boring section of thick bamboo.
Further, the speed change assembly comprises a third extrusion plate, the third extrusion plate is fixedly connected to the lower end of the rotating rod, the first connecting plate is rotationally connected to the first fixing plate, the first connecting plate is slidably connected with the second fixing rod, the second fixing rod is fixedly connected with the third extrusion plate, the second fixing rod is slidably connected with a fourth extrusion plate, the third extrusion plate and the fourth extrusion plate are both arranged to be frustum-shaped, the lower side of the fourth extrusion plate is rotationally connected with a second rotating ring, a rigid belt is arranged between the third extrusion plate and the fourth extrusion plate and between the first extrusion plate and the second extrusion plate in a winding manner, a symmetrical second connecting plate is fixedly connected between the first rotating ring and the second rotating ring, and the first connecting plate is provided with a power conversion component used for changing the distance between the third extrusion plate and the fourth extrusion plate.
Further, the rigid belt is made of metal, the cross section of the rigid belt is trapezoidal, and two sides of the rigid belt are respectively attached to the third extrusion plate, the second extrusion plate, the first extrusion plate and the fourth extrusion plate.
Further, the power conversion part comprises a fixing frame fixedly connected to the lower side of the sliding frame, the second fixing rod penetrates through the fixing frame and is in sliding connection with the fixing frame, a first telescopic rod is fixedly connected to the lower side of the fixing frame, the telescopic end of the first telescopic rod is fixedly connected to the first connecting plate, the sliding frame is fixedly connected with a symmetrical second telescopic rod, the telescopic ends of the second telescopic rods are fixedly connected to the adjacent second connecting plates respectively, an oil guide pipe is communicated between the first telescopic rod and the symmetrical second telescopic rod, and hydraulic oil is filled in the first telescopic rod and the symmetrical oil guide pipe.
Further, the anti-jamming assembly comprises a first limiting part, the first limiting part is fixedly connected to the upper end of the rotating rod, a second driving motor is fixedly connected to the supporting frame, a second spline rod is fixedly connected to an output shaft of the second driving motor, the second spline rod is slidably connected with the second limiting part, the first limiting part is in limiting fit with the second limiting part, the upper part of the rotating sleeve is slidably connected with a sliding rod, the lower end of the sliding rod is rotationally connected with the first spline rod, a third connecting plate is rotationally connected to the upper end of the sliding rod, and the third connecting plate is rotationally connected with the second limiting part.
Further, still including the centering mechanism that is used for stabilizing the section of thick bamboo that drills, centering mechanism sets up in the bottom plate, and centering mechanism is including the L shaped plate of symmetrical distribution, and the L shaped plate rigid coupling of symmetrical distribution is in the bottom plate, and the L shaped plate rigid coupling of symmetrical distribution has the holding ring, and the section of thick bamboo that drills passes the holding ring and rather than sliding fit, and the lower part rigid coupling of holding ring has the lag, and the downside rigid coupling of lag has the holding ring, and the holding ring is provided with gas collection subassembly, and gas collection subassembly is used for collecting the harmful gas that produces in the drilling.
Further, the protective sleeve is arranged to be a telescopic sleeve, and the protective sleeve is used for collecting harmful gas generated by drilling.
Further, the gas collection assembly comprises an exhaust pipe, the exhaust pipe is fixedly connected and communicated with a positioning ring, a second fixing plate is fixedly connected with a mounting plate for fixedly connecting a first fixing rod, a symmetrical limiting plate is fixedly connected with a sliding frame, a through hole is formed in the middle of the limiting plate, a connecting rope is fixedly connected with the second fixing plate, the connecting rope penetrates through the through hole of the limiting plate, the lower end of the connecting rope is fixedly connected with a supporting ring, a positioning plate is fixedly connected with the connecting rope, and the positioning plate is located on the upper side of the adjacent limiting plate.
By adopting the scheme, the invention has the following advantages:
1. the extrusion force between the drilling barrel and the bottom layer is monitored through the first elastic piece, so that the transmission ratio between the third extrusion plate and the fourth extrusion plate and between the second extrusion plate and the first extrusion plate is changed, the rotation speed of the threaded sleeve is reduced by the output shaft of the second driving motor under the condition that the rotation speed is unchanged, the downward moving speed of the sliding frame is reduced, the situation that the downward moving speed of the drilling barrel is too high is avoided, the extrusion force between the drilling barrel and the bottom layer is continuously increased, the drilling barrel is blocked at the bottom layer, and the coal mine sampling failure is caused.
2. The drill cylinder rotates around the circumference of the rotating shell, friction between the drill cylinder and the stone column is reduced, long-term friction between the drill cylinder and the stone column in the drill cylinder is avoided, the temperature of the inner wall of the drill cylinder is increased, meanwhile, the drill cylinder and clear water in the cavity of the rotating shell are cooled, teeth at the lower end of the drill cylinder are prevented from being filled with the stone column, the downward flowing of clear water is prevented, and the teeth at the lower end of the drill cylinder are damaged in a high-temperature state for a long time.
3. The second limiting piece and the first limiting piece lose matching, after the pressure of the bottom layer of the drill barrel is overlarge, the threaded sleeve stops rotating, and the phenomenon that the drill barrel is blocked in a drilled hole due to overlarge extrusion force between the drill barrel and the bottom layer is avoided.
4. Harmful gas generated in the drilling process of the drill cylinder is collected through the protective sleeve, the phenomenon that staff inhale harmful gas is avoided, meanwhile, broken stone thrown out of the drill cylinder is blocked by the protective sleeve, and the damage to surrounding staff caused by broken stone generated when the drill cylinder contacts the ground is avoided.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic side view of the present invention.
FIG. 3 is a schematic perspective view of the rotary sleeve and drill barrel of the present invention in cross-section.
FIG. 4 is a schematic perspective view of the connecting ring and the rotating shell of the present invention in cross-section.
Fig. 5 is a schematic side view of the elevating mechanism of the present invention.
Fig. 6 is a schematic perspective sectional view of the carriage and threaded sleeve of the present invention.
Fig. 7 is a schematic perspective view showing a cross-sectional structure of parts such as a third pressing plate and a fourth pressing plate according to the present invention.
Fig. 8 is a schematic perspective view of an anti-seizing assembly according to the present invention.
Fig. 9 is a schematic perspective view of the centering mechanism of the present invention.
FIG. 10 is a schematic cross-sectional perspective view of a retaining ring and a protective sleeve of the present invention.
Fig. 11 is an enlarged perspective view of the present invention at a.
In the above figures: 101: bottom plate, 102: first dead lever, 103: carriage, 104: rotating sleeve, 105: first spline bar, 106: drilling barrel, 107: first fixed plate, 108: elastic member, 109: support frame, 110: first driving motor, 201: rotating shell, 202: connection ring, 203: inlet tube, 301: lead screw, 302: screw sleeve, 303: first compression plate, 304: second compression plate, 305: first rotating ring, 306: rotating lever, 307: third extrusion plate, 308: first connection plate, 309: second fixing lever, 310: fourth extrusion plate, 311: second rotating ring, 312: rigid belt, 313: second connection plate, 314: mount, 315: first telescopic link, 316: second telescopic link, 401: first limiter, 402: second drive motor, 403: second spline bar, 404: second limiting piece, 405: slide bar, 406: third connection plate, 501: l-shaped plate, 502: positioning ring, 503: protective sheath, 504: support ring, 505: exhaust pipe, 506: second fixing plate, 507: limiting plate, 508: connecting rope, 509: and (5) positioning the plate.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description. The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1: 1-4, a drilling device with waste gas collecting function for coal mine exploration comprises a bottom plate 101, wherein the bottom plate 101 is fixedly connected with two symmetrical first fixing rods 102 through a mounting plate, a sliding frame 103 is slidably connected between the two symmetrical first fixing rods 102, the sliding frame 103 vertically moves up and down along the two first fixing rods 102, the sliding frame 103 is rotationally connected with a rotating sleeve 104, the lower part of the rotating sleeve 104 is slidably connected with a first spline rod 105 through a spline groove, the lower end of the first spline rod 105 is fixedly connected with a drilling cylinder 106, the rotating sleeve 104 drives the first spline rod 105 to circumferentially rotate through the spline groove, the first spline rod 105 drives the drilling cylinder 106 to circumferentially rotate, the coal mine is drilled and sampled, the lower part of the first spline rod 105 is fixedly connected with a first fixing plate 107, the first spline rod 105 is sleeved with an elastic piece 108, the rotating sleeve 104 and the first fixing plate 107 are fixedly connected with an elastic piece 108, the elastic element 108 is set as a spring, the elastic element 108 is sleeved on the first spline rod 105, the elastic force of the elastic element 108 is larger than the extrusion force required by normal downward drilling of the drill barrel 106, the pressure between the drill barrel 106 and the stratum is increased, the elastic element 108 is compressed, the elastic element 108 buffers the pressure between the drill barrel 106 and the stratum, the sliding frame 103 is fixedly connected with the supporting frame 109, the supporting frame 109 is fixedly connected with the first driving motor 110, the output shaft of the first driving motor 110 is fixedly connected with a gear, the upper part of the rotating sleeve 104 is fixedly connected with a gear meshed with the gear on the output shaft of the first driving motor 110, the output shaft of the first driving motor 110 drives the rotating sleeve 104 to circumferentially rotate through the meshing between the gears, so that the drill barrel 106 is downwards drilled for sampling, the drill barrel 106 is provided with a cooling anti-friction mechanism, the cooling anti-friction mechanism is used for reducing friction between the drill barrel 106 and the stone column, the bottom plate 101 is provided with a lifting mechanism, the lifting mechanism is used for driving the sliding frame 103 to move downwards.
As shown in fig. 3 and 4, the cooling anti-friction mechanism comprises a rotating shell 201, the rotating shell 201 is rotationally connected to a drilling barrel 106, the rotating shell 201 is used for reducing friction between the drilling barrel 106 and a stone column, the long-term high-temperature state of the drilling barrel 106 is avoided due to long-time friction between the drilling barrel 106 and the stone column, an annular cavity is arranged between the drilling barrel 106 and the rotating shell 201, the drilling barrel 106 is in sealing fit with the rotating shell 201, a connecting ring 202 is rotationally connected to the upper portion of the drilling barrel 106, an annular groove is formed in the inner annular surface of the connecting ring 202, circumferentially equidistant through holes are formed in the upper portion of the drilling barrel 106, circumferentially equidistant through holes are formed in the drilling barrel 106, the annular groove of the connecting ring 202 is communicated with the annular cavity between the drilling barrel 106 and the rotating shell 201, circumferentially equidistant through holes are formed in the lower portion of the rotating shell 201, the connecting ring 202 is fixedly connected with a water inlet pipe 203, the water inlet pipe 203 is communicated with a water injection device, the water injection device injects clean water into the water inlet pipe 203, flows out of the through holes of the rotating shell 201, and cools teeth at the lower end of the drilling barrel 106, and the water inlet pipe 203 is fixedly connected to a sliding frame 103.
As shown in fig. 5-8, the lifting mechanism comprises a screw 301, the screw 301 is fixedly connected to the bottom plate 101, a threaded sleeve 302 is rotatably connected to the rear portion of the sliding frame 103, the threaded sleeve 302 is in threaded connection with the screw 301, the threaded sleeve 302 rotates along the screw 301, the sliding frame 103 is driven by the threaded sleeve 302 to move along the screw 301, the sliding frame 103 drives the circumferentially rotating drill barrel 106 to move downwards to drill and sample a coal mine, a first extrusion plate 303 is fixedly connected to the lower portion of the threaded sleeve 302, a second extrusion plate 304 is slidably connected to the lower portion of the threaded sleeve 302, the first extrusion plate 303 and the second extrusion plate 304 are both arranged in a frustum shape, a first rotating ring 305 is rotatably connected to the upper side of the second extrusion plate 304, the first extrusion plate 303 and the second extrusion plate 304 are mutually close to each other and used for changing the downward moving speed of the sliding frame 103, a rotating rod 306 is rotatably connected to the sliding frame 103, a speed changing assembly is arranged at the lower end of the rotating rod 306, and the speed changing assembly is used for changing the rotating speed of the threaded sleeve 302, and an anti-blocking assembly is arranged at the upper end of the rotating rod 306 and used for preventing the drill barrel 106 from being blocked.
As shown in fig. 5 to 8, the speed changing assembly includes a third extrusion plate 307, the third extrusion plate 307 is fixedly connected to the lower end of the rotating rod 306, the first connection plate 308 is rotatably connected to the first fixing plate 107, the distance between the drill barrel 106 and the sliding frame 103 is reduced, the first fixing plate 107 drives the first connection plate 308 to approach the sliding frame 103, the lower side of the third extrusion plate 307 is fixedly connected with a second fixing rod 309, the second fixing rod 309 penetrates through the first connection plate 308 and is slidably connected with the first extrusion plate 308, the second fixing rod 309 is slidably connected with a fourth extrusion plate 310, the third extrusion plate 307 and the fourth extrusion plate 310 are both arranged in a frustum shape, the third extrusion plate 307 and the fourth extrusion plate 310 are matched to change the downward moving speed of the sliding frame 103, the lower side of the fourth extrusion plate 310 is rotatably connected with a second rotating ring 311, a rigid belt 312 is arranged between the third extrusion plate 307 and the fourth extrusion plate 310 and the first extrusion plate 303 and the second extrusion plate 304 in a winding manner, the rigid belt 312 is made of metal, the cross section of the rigid belt 312 is trapezoidal, the rigid belt 312 is not deformed after being extruded, the third extrusion plate 307 and the fourth extrusion plate 310 are matched with the first extrusion plate 303 and the second extrusion plate 304, stepless speed change is realized between the third extrusion plate 307 and the fourth extrusion plate 310 and between the first extrusion plate 303 and the second extrusion plate 304, two sides of the rigid belt 312 are respectively adhered to the third extrusion plate 307 and the second extrusion plate 304 and the first extrusion plate 303 and the fourth extrusion plate 310, the contact area between the rigid belt 312 and the third extrusion plate 307 and the fourth extrusion plate 310 and the first extrusion plate 303 and the second extrusion plate 304 is increased, two symmetrical second connecting plates 313 are fixedly connected between the first rotating ring 305 and the second rotating ring 311, the first connecting plate 308 is provided with a power conversion part, the power conversion part is used to change the distance between the third pressing plate 307 and the fourth pressing plate 310.
As shown in fig. 5-7, the power conversion component includes a fixing frame 314, the fixing frame 314 is fixedly connected to the lower side of the sliding frame 103, the second fixing rod 309 penetrates through the fixing frame 314 and is slidably connected with the fixing frame 314, a first telescopic rod 315 is fixedly connected to the lower side of the fixing frame 314, a telescopic end of the first telescopic rod 315 is fixedly connected to the first connecting plate 308, a distance between the drill pipe 106 and the sliding frame 103 is reduced, the first fixing plate 107 drives the first connecting plate 308 to approach the sliding frame 103, so that the telescopic end of the first telescopic rod 315 moves upwards, the sliding frame 103 is fixedly connected with a symmetrical second telescopic rod 316, telescopic ends of the second telescopic rod 316 are fixedly connected to adjacent second connecting plates 313 respectively, oil pipes are communicated between the first telescopic rod 315 and the symmetrical second telescopic rods 316, hydraulic oil is filled in the first telescopic rod 315, the telescopic ends of the first telescopic rod 315 move upwards along the oil pipes to the two second telescopic rods 316, and the two second telescopic rods 316 push the second connecting plates 313 downwards.
As shown in fig. 8, the anti-blocking assembly includes a first limiting member 401, the first limiting member 401 is fixedly connected to the upper end of the rotating rod 306, the supporting frame 109 is fixedly connected with a second driving motor 402, an output shaft of the second driving motor 402 is fixedly connected with a second spline rod 403, the second spline rod 403 is slidably connected with a second limiting member 404, the second spline rod 403 drives the second limiting member 404 to rotate through a spline, the first limiting member 401 and the second limiting member 404 are in limit fit, the second spline rod 403 drives the second limiting member 404 to rotate, the second limiting member 404 is matched with the first limiting member 401, the first limiting member 401 drives the rotating rod 306 to circumferentially rotate, the upper portion of the rotating sleeve 104 is slidably connected with a sliding rod 405, the lower end of the sliding rod 405 is rotationally connected with the first spline rod 105, the upper end of the sliding rod 405 is rotationally connected with a third connecting plate 406, the third connecting plate 406 is rotationally connected with the second limiting member 404, the third connecting plate 406 drives the second limiting member 404 to move upwards, the second limiting member 404 is in limit fit with the first limiting member 401, the second limiting member 401 is in limit member 404 is in limit fit, the second limiting member 401 is stopped, the first motor 401 is stopped to drive the rotating sleeve 302 to rotationally stop rotating, and the rotating sleeve 302 is stopped.
When the drilling device is used, a worker installs the drilling device at a designated position and communicates a water injection device with the water inlet pipe 203, then the worker simultaneously starts the first driving motor 110 and the second driving motor 402, the output shaft of the first driving motor 110 drives gears on the first driving motor 110 to rotate, the gears on the output shaft of the first driving motor 110 drive the gear transmission on the rotating sleeve 104, the rotating sleeve 104 is enabled to rotate circumferentially along the sliding frame 103, the rotating sleeve 104 drives the drilling cylinder 106 to rotate circumferentially through the spline grooves through the first spline rod 105, meanwhile, the output shaft of the second driving motor 402 drives the second spline rod 403 fixedly connected with the output shaft to rotate circumferentially, the second spline rod 403 drives the second limiting piece 404 to rotate circumferentially, the second limiting piece 404 drives the first limiting piece 401 to rotate circumferentially, the first limiting piece 401 drives the rotating rod 306 to rotate circumferentially, the rotating rod 306 drives the third extruding plate 307 and the fourth extruding plate 310 to rotate circumferentially, the third extruding plate 307 and the fourth extruding plate 310 drive the first extruding plate 303 and the second extruding plate 304 to rotate circumferentially through the rigid belt 312, the first extruding plate 303 and the second extruding plate 304 drive the first extruding plate 103 and the second extruding plate 304 to rotate circumferentially along with the first spline rods 302, the first extruding plate 302 and the second extruding plate 302 drive the first extruding plate 302 to rotate circumferentially along with the first extruding plate 103 and the first extruding plate 302 to move the first extruding plate 302 to rotate circumferentially along with the first extruding plate and the first extruding plate 302 to rotate the first extruding plate 102 and the first extruding rod 302 to rotate the first extruding rod 302 to move gradually along with the first extruding rod 102 to rotate the first extruding rod 102 and the first extruding rod 102 to rotate the first extruding rod 302.
In the process of drilling down the drill pipe 106, the staff starts the water injection device, clean water flows along inlet tube 203 to the annular groove of go-between 202 in, clean water in the go-between 202 is through boring the through-hole of drill pipe 106, enter into the annular cavity between drill pipe 106 and the rotation shell 201, the clean water is cooled down to drill pipe 106 through boring the through-hole of rotation shell 201 afterwards, after the stone column that drills enters into drill pipe 106, the stone column contacts with rotation shell 201, produce frictional force between rotation shell 201 and the stone column, rotation shell 201 is static relatively with the stone column, drill pipe 106 revolutes rotation shell 201 circumference, friction between drill pipe 106 and the stone column has been reduced, avoided drill pipe 106 and the long-term friction of stone column in it, lead to drill pipe 106 inner wall temperature to rise, simultaneously drill pipe 106 and the clean water in the cavity of rotation shell 201 cool down to the tooth of drill pipe 106, prevent that stone column from filling drill pipe 106 leads to down to flow to be obstructed, cause the tooth of drill pipe 106 lower extreme tooth to be in the high temperature state impaired for a long time.
In the process of drilling down the drill drum 106, the drill drum 106 samples rock strata of different layers, when the drill drum 106 contacts with hard rock strata, the extrusion force of the drill drum 106 to the stratum is increased, the sliding frame 103 drives the drill drum 106 to move down through the rotating sleeve 104, after the drill drum 106 receives the stratum pressure, the sliding frame 103 continues to move down along the two first fixing rods 102, the first spline rods 105 slide up along spline grooves of the rotating sleeve 104, the elastic piece 108 is compressed, the distance between the drill drum 106 and the sliding frame 103 is reduced, the first connecting plates 308 slide along the second fixing rods 309 to the sliding frame 103, the first connecting plates 308 drive the telescopic ends of the first telescopic rods 315 to move towards the sliding frame 103, hydraulic oil in the first telescopic rods 315 enters into the two second telescopic rods 316 along oil guide pipes, the telescopic ends of the two second telescopic rods 316 drive the adjacent second connecting plates 313 to move down, the second connection plate 313 drives the second extrusion plate 304 to approach the first extrusion plate 303 through the first rotating ring 305, the second extrusion plate 304 and the first extrusion plate 303 approach each other, so that the rigid belt 312 between the second extrusion plate 304 and the first extrusion plate 303 expands outwards, the second connection plate 313 drives the fourth extrusion plate 310 to be far away from the third extrusion plate 307 through the second rotating ring 311, the rigid belt 312 between the fourth extrusion plate 310 and the third extrusion plate 307 contracts inwards, the transmission ratio between the third extrusion plate 307 and the fourth extrusion plate 310 and the second extrusion plate 304 and the first extrusion plate 303 is changed, the rotation speed of the threaded sleeve 302 is reduced by the output shaft of the second driving motor 402 under the condition that the rotation speed is unchanged, the downward moving speed of the sliding frame 103 is reduced, the situation that the downward moving speed of the drill pipe 106 is too fast is avoided, the extrusion force between the drill pipe 106 and the bottom layer is continuously increased, the drill pipe 106 is blocked at the bottom layer, thereby causing a failure in sampling the coal mine.
In the continuous drilling process of the drill drum 106, when the drill drum 106 drills into a hard rock stratum, the distance between the sliding frame 103 and the drill drum 106 is reduced, the first spline rod 105 drives the sliding rod 405 to move upwards along the rotating sleeve 104, the sliding rod 405 drives the third connecting plate 406 to move upwards, the third connecting plate 406 drives the second limiting piece 404 to move upwards, the second limiting piece 404 moves upwards along the second spline rod 403, the second limiting piece 404 is gradually far away from the first limiting piece 401, after the drill drum 106 passes through the hard rock stratum, under the action of the elastic force of the elastic piece 108, the first spline rod 105 moves downwards along the rotating sleeve 104 to reset, so that the sliding frame 103 and the drill drum 106 are restored to the initial position, in the resetting process of the drill drum 106, the first spline rod 105 drives the sliding rod 405 to move downwards to reset, the sliding rod 405 drives the second limiting piece 404 to move downwards through the third connecting plate 406, in the restoring process of the drill drum 106 to the initial position, the first fixing plate 107 drives the first connecting plate 308 to move downwards, the first connecting plate 308 drives the telescopic ends of the first telescopic rods 315 to reset, hydraulic oil returns back to the first telescopic rods 315, the telescopic ends of the two second telescopic rods 316 drive the two second connecting plates 313 to move upwards to reset, the second extrusion plate 304 and the fourth extrusion plate 310 are reset, the rigid belts 312 are restored to the initial state, the transmission ratio between the first extrusion plate 303, the second extrusion plate 304 and the third extrusion plate 307 and the fourth extrusion plate 310 is restored to the initial state, the rotation speed of the threaded sleeve 302 is restored to the initial state, the sliding frame 103 moves downwards along the two first fixing rods 102 at the initial speed, the drill barrel 106 continues to drill downwards along the initial speed, drilling is completed after the drill barrel 106 moves to the bottommost side, and the staff subsequently controls the output shaft of the second driving motor 402 to rotate reversely, the screw sleeve 302 reversely rotates and moves upwards along the screw rod 301, the drill barrel 106 drives the stone column therein to move upwards for resetting, a worker takes out the stone column in the drill barrel 106, the worker turns off the two first driving motors 110 and the second driving motor 402, and simultaneously, the worker turns off the water injection device to stop water injection into the water inlet pipe 203, so that drilling and sampling of the coal mine are completed.
Example 2: on the basis of embodiment 1, in the process that the drill barrel 106 drills down in a hard rock layer, when the sliding frame 103 moves down, the drilling speed of the drill barrel 106 is smaller than the downward moving speed of the sliding frame 103, the rotating speed of the threaded sleeve 302 is reduced, meanwhile, the first spline rod 105 moves up along the rotating sleeve 104, the elastic piece 108 is continuously compressed, the first spline rod 105 drives the sliding rod 405 to move up, the third connecting plate 406 drives the second limiting piece 404 to move up, after the second limiting piece 404 is out of engagement with the first limiting piece 401, the first limiting piece 401 and the rotating rod 306 stop rotating, at the moment, the threaded sleeve 302 stops rotating, the sliding frame 103 stops moving down, the drill barrel 106 continues to rotate, the drill barrel 106 drills down under the action of the elastic piece 108, the first spline rod 105 moves down along the rotating sleeve 104, and contacts the first limiting piece 401 again, after the drill barrel 106 passes through the hard rock layer, under the elastic action of the elastic piece 108, the first spline rod 105 drives the sliding rod 405 to reset, the second spline rod 405 resets, after the second limiting piece 404 is out of engagement with the first limiting piece 404, the second spline rod 404 stops rotating, the second spline rod 404 is out of engagement with the first limiting piece 404, the drill barrel 106 is prevented from rotating down, and the compression force of the drill barrel 106 is prevented from being greatly lost between the first limiting piece and the drill barrel 106 and the bottom layer 106 and the threaded sleeve is prevented from being screwed down by the threaded sleeve 106.
Embodiment 3 based on embodiment 2, as shown in fig. 9 and 10, the device further comprises a centering mechanism for stabilizing the drilling barrel 106, the centering mechanism is arranged on the bottom plate 101, the centering mechanism comprises two symmetrically distributed L-shaped plates 501, the two symmetrically distributed L-shaped plates are fixedly connected with the bottom plate 101, the two symmetrically distributed L-shaped plates 501 are fixedly connected with a positioning ring 502, the drilling barrel 106 passes through the positioning ring 502 and is in sliding fit with the positioning ring 502, the positioning ring 502 is used for stabilizing the drilling barrel 106, shaking is avoided after the drilling barrel 106 contacts the ground, a protective sleeve 503 is fixedly connected to the lower portion of the positioning ring 502, the protective sleeve 503 is arranged as a telescopic sleeve, the protective sleeve 503 is used for collecting harmful gases generated in a stratum, the protective sleeve 503 covers the harmful gases generated in the stratum, the harmful gases are prevented from being harmful to the body of a worker after drifting into the air, the lower side of the protective sleeve 503 is fixedly connected with a supporting ring 504, the positioning ring 502 is provided with a gas collecting assembly, and the gas collecting assembly is used for collecting the harmful gases generated in the drilling.
As shown in fig. 10 and 11, the gas collecting assembly includes an exhaust pipe 505, the exhaust pipe 505 is fixedly connected and communicated with a positioning ring 502, the exhaust pipe 505 is communicated with a waste gas collecting device, harmful gas generated in a stratum is collected, a mounting plate for fixedly connecting a first fixing rod 102 is fixedly connected with a second fixing plate 506, a sliding frame 103 is fixedly connected with a symmetrical limiting plate 507, a through hole is arranged in the middle of the limiting plate 507, a connecting rope 508 is fixedly connected with the second fixing plate 506, the connecting rope 508 penetrates through the through hole of the limiting plate 507, the lower end of the connecting rope 508 is fixedly connected with a supporting ring 504, the connecting rope 508 is fixedly connected with a positioning plate 509, the positioning plate 509 is located on the upper side of an adjacent limiting plate 507, the diameter of the positioning plate 509 is larger than that of the through hole of the limiting plate 507, the limiting plate 507 pushes the positioning plate 509 to move upwards, the limiting plate 507 drives the connecting rope 508 to move upwards, and the protecting sleeve 503 is re-stacked and reset.
In the process that the sliding frame 103 moves downwards along the two first fixing rods 102, a worker communicates the exhaust pipe 505 with the abandoned collecting device, the sliding frame 103 drives the drilling barrel 106 to move downwards, the drilling barrel 106 moves downwards along the locating ring 502, the locating ring 502 is used for stabilizing the drilling barrel 106, the stability of the device is improved, the drilling barrel 106 is prevented from shaking after contacting the ground, the sliding frame 103 drives the two limiting plates 507 to move downwards, under the action of gravity of the protecting sleeve 503, the lower ends of the two connecting ropes 508 are driven to move downwards by the protecting sleeve 503, then the bending parts of the upper parts of the connecting ropes 508 are stretched, the protecting sleeve 503 gradually stretches, the lower ends of the protecting sleeve 503 move downwards and are attached to the ground, the sliding frame 103 drives the two limiting plates 507 to move downwards along the adjacent connecting ropes 508, the limiting plates 507 collect harmful gases generated in the drilling barrel 106, the worker is prevented from sucking the harmful gases, the protecting sleeve 503 stops the broken stone 106 from damaging surrounding workers when the drilling barrel 106 contacts the ground, the protecting sleeve 103 drives the lower ends of the two connecting ropes 508 to move downwards, the two connecting ropes 509 are driven by the protecting sleeve 503 to move upwards, the two connecting ropes 509 are driven by the connecting ropes to move upwards, the two connecting ropes 509 are driven by the protecting sleeve 503 to move upwards, the adjacent connecting ropes are driven by the protecting sleeve 503 to move upwards, the connecting ropes 509 are driven by the connecting ropes 509 move upwards, and the exhaust pipe 509 are driven by the connecting ropes are driven to move upwards, and the connecting ropes 509 are driven by the connecting ropes are driven upwards move upwards and move the connecting plates 509 are driven by the connecting ropes are driven to move the connecting the waste ropes are located to move.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (10)
1. Drilling device with waste gas collection function for coal mine exploration, characterized by: the anti-friction cooling device comprises a bottom plate (101), wherein a symmetrical first fixed rod (102) is fixedly connected to the bottom plate (101) through a mounting plate, a sliding frame (103) is connected between the symmetrical first fixed rods (102) in a sliding manner, a rotating sleeve (104) is connected to the sliding frame (103) in a rotating manner, a spline groove is formed in the lower portion of the rotating sleeve (104), a first spline rod (105) is connected in the spline groove in a sliding manner, a drill cylinder (106) is fixedly connected to the lower end of the first spline rod (105), a first fixed plate (107) is fixedly connected to the lower portion of the first spline rod (105), an elastic piece (108) is sleeved on the first spline rod (105), two ends of the elastic piece (108) are fixedly connected to the rotating sleeve (104) and the first fixed plate (107) respectively, the pressure between the drill cylinder (106) and a stratum is increased, the elastic piece (108) is compressed, the elastic piece (108) buffers the pressure between the drill cylinder (106) and the stratum, a supporting frame (109) is fixedly connected to the supporting frame (109), a first driving motor (110) is fixedly connected to the lower end of the first spline rod (105), a friction cooling mechanism (106) is fixedly connected to the first driving gear (106), a friction cooling mechanism (106) is fixedly connected to the drill cylinder, and a friction cooling mechanism (106) is fixedly connected to the friction cooling mechanism (106), the bottom plate (101) is provided with a lifting mechanism, and the lifting mechanism is used for driving the sliding frame (103) to move downwards.
2. A drilling apparatus for coal mine prospecting having an exhaust gas collecting function as claimed in claim 1, wherein: the cooling friction-preventing mechanism comprises a rotating shell (201), the rotating shell (201) is rotationally connected to a drilling barrel (106), an annular cavity is formed between the drilling barrel (106) and the rotating shell (201), a connecting ring (202) is rotationally connected to the upper portion of the drilling barrel (106), annular grooves are formed in the inner annular surface of the connecting ring (202), circumferentially equidistant through holes are formed in the upper portion of the drilling barrel (106), circumferentially equidistant through holes are formed in the drilling barrel (106), the annular grooves of the connecting ring (202) are communicated with the annular cavity between the drilling barrel (106) and the rotating shell (201), circumferentially equidistant through holes are formed in the lower portion of the rotating shell (201), the connecting ring (202) is fixedly connected with a water inlet pipe (203), and the water inlet pipe (203) is fixedly connected to a sliding frame (103).
3. A drilling apparatus for coal mine prospecting having an exhaust gas collecting function as claimed in claim 1, wherein: the lifting mechanism comprises a screw rod (301), the screw rod (301) is fixedly connected to a bottom plate (101), a threaded sleeve (302) is rotationally connected to the rear portion of a sliding frame (103), the threaded sleeve (302) is in threaded connection with the screw rod (301), a first extrusion plate (303) is fixedly connected to the lower portion of the threaded sleeve (302), a second extrusion plate (304) is slidingly connected to the lower portion of the threaded sleeve (302), a first rotating ring (305) is rotationally connected to the upper side of the second extrusion plate (304), the first extrusion plate (303) and the second extrusion plate (304) are both arranged to be in a frustum shape, the sliding frame (103) is rotationally connected with a rotating rod (306), a speed changing assembly is arranged at the lower end of the rotating rod (306), and the speed changing assembly is used for changing the rotating speed of the threaded sleeve (302), and an anti-blocking assembly used for preventing a drilling cylinder (106) from being blocked is arranged at the upper end of the rotating rod (306).
4. A drilling apparatus for coal mine prospecting having an exhaust gas collecting function according to claim 3, wherein: the speed change assembly comprises a third extrusion plate (307), the third extrusion plate (307) is fixedly connected to the lower end of a rotating rod (306), a first connecting plate (308) is rotationally connected to a first fixing plate (107), a second fixing rod (309) is slidingly connected to the first connecting plate (308), the second fixing rod (309) is fixedly connected with the third extrusion plate (307), a fourth extrusion plate (310) is slidingly connected to the second fixing rod (309), the third extrusion plate (307) and the fourth extrusion plate (310) are both arranged in a frustum shape, a second rotating ring (311) is rotationally connected to the lower side of the fourth extrusion plate (310), a rigid belt (312) is wound between the third extrusion plate (307) and the fourth extrusion plate (310) and between the first extrusion plate (303) and the second extrusion plate (304), a symmetrical second connecting plate (313) is fixedly connected between the first rotation ring (305) and the second rotating ring (311), and the first connecting plate (308) is provided with a power conversion part for changing the distance between the third extrusion plate (307) and the fourth extrusion plate (310).
5. A drilling apparatus for coal mine prospecting having an exhaust gas collecting function as claimed in claim 4, wherein: the rigid belt (312) is made of metal, the cross section of the rigid belt (312) is trapezoidal, and two sides of the rigid belt (312) are respectively attached to the third extrusion plate (307) and the second extrusion plate (304) and the first extrusion plate (303) and the fourth extrusion plate (310).
6. A drilling apparatus for coal mine prospecting having an exhaust gas collecting function as claimed in claim 4, wherein: the power conversion part comprises a fixing frame (314), the fixing frame (314) is fixedly connected to the lower side of the sliding frame (103), a second fixing rod (309) penetrates through the fixing frame (314) and is in sliding connection with the fixing frame, a first telescopic rod (315) is fixedly connected to the lower side of the fixing frame (314), the telescopic end of the first telescopic rod (315) is fixedly connected to a first connecting plate (308), the sliding frame (103) is fixedly connected with a symmetrical second telescopic rod (316), the telescopic ends of the second telescopic rods (316) are fixedly connected to adjacent second connecting plates (313) respectively, an oil guide pipe is communicated between the first telescopic rod (315) and the symmetrical second telescopic rod (316), and hydraulic oil is filled in the first telescopic rod (315) and the symmetrical oil guide pipe.
7. A drilling apparatus for coal mine prospecting having an exhaust gas collecting function according to claim 3, wherein: the anti-jamming assembly comprises a first limiting part (401), wherein the first limiting part (401) is fixedly connected to the upper end of a rotating rod (306), a second driving motor (402) is fixedly connected to a supporting frame (109), a second spline rod (403) is fixedly connected to an output shaft of the second driving motor (402), a second limiting part (404) is slidably connected to the second spline rod (403), the first limiting part (401) is in limiting fit with the second limiting part (404), a sliding rod (405) is slidably connected to the upper portion of a rotating sleeve (104), the lower end of the sliding rod (405) is rotationally connected with the first spline rod (105), a third connecting plate (406) is rotationally connected to the upper end of the sliding rod (405), and the third connecting plate (406) is rotationally connected with the second limiting part (404).
8. A drilling apparatus for coal mine prospecting having an exhaust gas collecting function as claimed in claim 1, wherein: still including being used for stabilizing the centering mechanism of boring section of thick bamboo (106), centering mechanism sets up in bottom plate (101), centering mechanism is including L shaped plate (501) of symmetrical distribution, L shaped plate (501) rigid coupling in bottom plate (101) of symmetrical distribution, L shaped plate (501) rigid coupling of symmetrical distribution has holding ring (502), boring section of thick bamboo (106) pass holding ring (502) and rather than sliding fit, the lower part rigid coupling of holding ring (502) has lag (503), the downside rigid coupling of lag (503) has holding ring (504), holding ring (502) are provided with gas collection subassembly, gas collection subassembly is used for collecting harmful gas that produces in the probing.
9. A drilling apparatus for coal mine prospecting having an exhaust gas collecting function as claimed in claim 8, wherein: the protective sleeve (503) is arranged as a telescopic sleeve, and the protective sleeve (503) is used for collecting harmful gases generated by drilling.
10. A drilling apparatus for coal mine prospecting having an exhaust gas collecting function as claimed in claim 8, wherein: the gas collection assembly comprises an exhaust pipe (505), the exhaust pipe (505) is fixedly connected and communicated with a positioning ring (502), a second fixing plate (506) is fixedly connected with a mounting plate for fixedly connecting a first fixing rod (102), symmetrical limiting plates (507) are fixedly connected to a sliding frame (103), through holes are formed in the middle of the limiting plates (507), connecting ropes (508) are fixedly connected to the second fixing plate (506), the connecting ropes (508) penetrate through the through holes of the limiting plates (507), the lower ends of the connecting ropes (508) are fixedly connected with a supporting ring (504), positioning plates (509) are fixedly connected to the connecting ropes (508), and the positioning plates (509) are located on the upper sides of the adjacent limiting plates (507).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310619610.9A CN116641703A (en) | 2023-05-30 | 2023-05-30 | Drilling device with waste gas collecting function for coal mine exploration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310619610.9A CN116641703A (en) | 2023-05-30 | 2023-05-30 | Drilling device with waste gas collecting function for coal mine exploration |
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| CN116641703A true CN116641703A (en) | 2023-08-25 |
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| CN202310619610.9A Pending CN116641703A (en) | 2023-05-30 | 2023-05-30 | Drilling device with waste gas collecting function for coal mine exploration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117948043A (en) * | 2024-03-26 | 2024-04-30 | 青岛地质工程勘察院(青岛地质勘查开发局) | Drilling equipment for geological exploration with stratum recording function |
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2023
- 2023-05-30 CN CN202310619610.9A patent/CN116641703A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117948043A (en) * | 2024-03-26 | 2024-04-30 | 青岛地质工程勘察院(青岛地质勘查开发局) | Drilling equipment for geological exploration with stratum recording function |
| CN117948043B (en) * | 2024-03-26 | 2024-06-07 | 青岛地质工程勘察院(青岛地质勘查开发局) | Drilling equipment for geological exploration with stratum recording function |
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