CN118008123B - Directional drilling machine power head for coal mine - Google Patents
Directional drilling machine power head for coal mine Download PDFInfo
- Publication number
- CN118008123B CN118008123B CN202410397146.8A CN202410397146A CN118008123B CN 118008123 B CN118008123 B CN 118008123B CN 202410397146 A CN202410397146 A CN 202410397146A CN 118008123 B CN118008123 B CN 118008123B
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- liquid inlet
- filter
- section
- driving
- wall
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- 238000005553 drilling Methods 0.000 title claims abstract description 40
- 239000003245 coal Substances 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 97
- 238000001914 filtration Methods 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 5
- 239000002002 slurry Substances 0.000 description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/015—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with flat filtering elements
- B01D33/0158—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/461—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
- B01D33/766—Devices for breaking the filter cake, e.g. cutting
-
- 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
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
- E21B21/066—Separating solids from drilling fluids with further treatment of the solids, e.g. for disposal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/02—Adaptations for drilling wells
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention relates to the technical field of directional drilling machine power heads, and discloses a directional drilling machine power head for a coal mine, which comprises a base, a speed changer and a motor, wherein a driving shaft driven by the motor in cooperation with the speed changer is arranged in the speed changer; according to the invention, the liquid inlet driving unit for feeding mud is arranged outside the driving shaft, the filtering unit is arranged between the liquid inlet driving unit and the driving shaft, mud enters from the liquid inlet driving unit, is filtered by the filtering unit and is conveyed into the driving shaft, and is finally sprayed out from the drill bit after being conveyed into the external drill rod by the driving shaft, and the filtering unit can filter the mud and squeeze and divide the filtered mud, so that the phenomenon that the blocky mud in the mud is blocked in the external drill rod is avoided, the stability and the practicability of coal mine drilling are improved, and the conveying of the mud is ensured.
Description
Technical Field
The invention relates to the technical field of directional drilling machine power heads, in particular to a directional drilling machine power head for a coal mine.
Background
At present, the underground drilling construction of the coal mine mainly adopts a conventional rotary drilling mode, a drilling machine is main equipment for drilling construction, and a power head is used as a core component of the drilling machine and is connected with a drilling machine feeding device, so that the drilling machine is mainly used for clamping a drilling tool and providing torque required for driving the drilling tool in the hole, and the rotation of the drilling tool is realized.
When the directional drill is used for drilling different intensities, slurry or water is needed to be tapped into the power head, the slurry or water is conveyed to the drill bit part through the drill rod to be sprayed out, the slurry or water can cool the drill bit and fill the drill hole and support the hole wall, the bearing capacity of the hole wall is improved, and the slurry or the slurry is selected according to the geological intensity, but when the directional drill is actually used, the slurry is directly conveyed into the drill rod through the power head, the slurry is lack of being filtered, so that the blocky slurry in the slurry is easy to be blocked in the drill rod, the drill rod is blocked, the conveying of the slurry is influenced, and the use of drilling is not facilitated; therefore, the directional drilling machine power head for the coal mine is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the directional drilling machine power head for the coal mine, which is used for filtering slurry, guaranteeing the transportation of the slurry and improving the stability of drilling.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a directional drilling machine unit head for colliery, the on-line screen storage device comprises a base, derailleur and motor, install the drive shaft through motor cooperation derailleur drive in the derailleur, the upper surface mounting of base has the feed liquor drive unit, filter unit is installed to the one end of drive shaft, the one end and the filter unit intercommunication of feed liquor drive unit, filter unit includes the filter tube, the one end and the drive shaft rotation of filter tube are connected and communicate, install the bracing piece in the filter tube, bracing piece internal rotation is connected with reciprocating screw, reciprocating screw's outer wall threaded connection has the filter, a plurality of spacing grooves have been seted up to the inner wall of filter tube, filter and spacing groove sliding connection, fixedly connected with keeps off the ring in the filter tube, the one end of reciprocating screw wears to establish the fender ring and fixedly connected with a plurality of swivel leaves.
Preferably, the filter tube comprises a liquid inlet section, a filter section and a connecting section, wherein the liquid inlet driving unit is communicated with the liquid inlet section, the liquid inlet section is connected with the filter section through a flange, the filter section is connected with the connecting section through a flange, the filter section is rotationally connected with the inner wall of the driving shaft, the supporting rod and the baffle ring are fixedly connected in the filter section, the limiting groove is formed in the inner wall of the filter section, one end of the reciprocating screw rod extends into the liquid inlet section, and the connecting part of the liquid inlet section and the filter section is in a horn shape.
Preferably, one side of the baffle ring is fixedly connected with a guide cover, and the guide cover is positioned in the filtering section.
Preferably, the outer wall of the reciprocating screw rod is provided with a transmission groove, one side of the filter plate, which is far away from the baffle ring, is rotationally connected with a brush rod, the brush rod is sleeved outside the reciprocating screw rod, and the brush rod is in sliding connection with the transmission groove.
Preferably, the drive shaft includes overcoat drive tube and interior drive tube, the length of interior drive tube is greater than the length of overcoat drive tube, interior drive tube rotates to be connected in the overcoat drive tube, the overcoat drive tube is installed in the speed changer, motor cooperation speed changer drive overcoat drive tube rotates, the equal fixedly connected with second ring flange in both ends of overcoat drive tube, the equal fixedly connected with first ring flange in both ends outer wall of interior drive tube, interior drive tube is fixed with the overcoat drive tube through first ring flange cooperation second ring flange, the one end of filter segment rotates with the one end inner wall of interior drive tube to be connected, the feed liquor drive unit includes the supporting seat, supporting seat fixed mounting is at the upper surface of base, the upper surface fixedly connected with circle cover of supporting seat, the circle cover is worn to establish to interior drive tube and circle cover rotates to be connected, the outer wall intercommunication of circle cover has feed liquor head and drain pipe, the outer wall fixedly connected with a plurality of evenly distributed blades of interior drive tube, the blade is located the circle cover, the other end and the feed liquor section intercommunication of drain pipe.
Preferably, the liquid inlet hole is formed in one end, far away from the filtering section, of the liquid inlet section, and the size of the liquid inlet hole is the same as that of the liquid inlet head.
Preferably, the outer end of the liquid inlet section and the outer end of the liquid inlet head are movably provided with sealing covers through bolts.
Preferably, the outer walls of the two ends of the outer sleeve driving tube outside the speed changer are fixedly connected with a yielding cover communicated with the inner part of the outer sleeve driving tube, the outer wall of the inner driving tube is provided with two bearings, and the bearings are positioned in the yielding cover.
Preferably, the inner diameter of the baffle ring is not smaller than half of the inner wall diameter of the filtering section, and the end surface diameter of the reciprocating screw rod is not larger than one tenth of the inner diameter of the baffle ring.
Preferably, the joints of the liquid inlet head and the liquid outlet pipe and the circular sleeve are vertically distributed, and the inner walls of the liquid inlet head and the liquid outlet pipe are tangent to the inner wall of the circular sleeve.
Compared with the prior art, the invention has the following beneficial effects:
According to the invention, the liquid inlet driving unit for feeding mud is arranged outside the driving shaft, the filtering unit is arranged between the liquid inlet driving unit and the driving shaft, mud enters from the liquid inlet driving unit, is filtered by the filtering unit and is conveyed into the driving shaft, and is finally sprayed out from the drill bit after being conveyed into the external drill rod by the driving shaft, and the filtering unit can filter the mud and squeeze and divide the filtered mud, so that the phenomenon that the blocky mud in the mud is blocked in the external drill rod is avoided, the stability and the practicability of coal mine drilling are improved, and the conveying of the mud is ensured.
The driving shaft is composed of the outer sleeve driving tube and the inner driving tube, the outer sleeve driving tube and the inner driving tube can be connected and driven by the motor matched with the speed changer, the outer sleeve driving tube and the inner driving tube are split when the soft geology is drilled, the slurry entering the liquid inlet driving unit is utilized to push the blades on the outer wall of the inner driving tube to rotate, the rotation of the inner driving tube is realized, the inner driving tube is driven to rotate by utilizing the thrust of the slurry, the electric power can be saved, the device is suitable for the soft geology and is not easy to pull.
According to the invention, the filter screen in the filter unit filters mud in mud, the reciprocating screw rod drives the filter screen to drive, and the brush rod rotating on one side of the filter screen slides with the transmission groove on the reciprocating screw rod, so that when the reciprocating screw rod rotates, the filter screen is driven to move, and meanwhile, the brush rod is rotated, so that the brush rod cleans the filter screen, the filter screen is prevented from being blocked, the mud passing is prevented from being influenced, and the practicability is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a rear view of the overall structure of the present invention;
FIG. 3 is a schematic view of the connection structure of the driving shaft, the liquid inlet driving unit and the filtering unit;
FIG. 4 is a schematic cross-sectional view of a round sleeve according to the present invention;
FIG. 5 is a schematic cross-sectional view of the jacket driving tube and the relief cap of the present invention;
FIG. 6 is a schematic cross-sectional view of a filter tube of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at A;
FIG. 8 is a schematic view of the internal structure of the connecting section of the present invention;
fig. 9 is a partial enlarged view at B in fig. 8.
In the figure: 1. a base; 2. a speed variator; 3. a motor; 4. a drive shaft; 41. a jacket driving tube; 42. an inner drive tube; 43. a first flange; 44. a second flange; 45. a yielding cover; 46. a bearing; 5. a liquid inlet driving unit; 51. a support base; 52. a round sleeve; 53. a liquid inlet head; 54. a liquid outlet pipe; 55. a blade; 6. a filtering unit; 61. a filter tube; 611. a filtering section; 612. a liquid inlet section; 613. a connection section; 62. a liquid inlet hole; 63. a filter plate; 64. a support rod; 65. a reciprocating screw rod; 66. rotating leaves; 67. a baffle ring; 68. a guide cover; 69. a limit groove; 7. a transmission groove; 8. a brush bar; 9. and (5) sealing the cover.
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 without the inventive effort, are intended to be within the scope of the present invention, based on the embodiments herein.
Referring to fig. 1-9, the directional drilling machine power head for coal mine of this embodiment includes a base 1, a speed changer 2 and a motor 3, a driving shaft 4 driven by the motor 3 in cooperation with the speed changer 2 is installed in the speed changer 2, a liquid inlet driving unit 5 is installed on the upper surface of the base 1, a filtering unit 6 is installed at one end of the driving shaft 4, one end of the liquid inlet driving unit 5 is communicated with the filtering unit 6, the filtering unit 6 includes a filtering pipe 61, one end of the filtering pipe 61 is rotationally connected and communicated with the driving shaft 4, a supporting rod 64 is installed in the filtering pipe 61, a reciprocating screw rod 65 is rotationally connected with the supporting rod 64, a filter plate 63 is connected with an outer wall thread of the reciprocating screw rod 65, a plurality of limit grooves 69 are provided on an inner wall of the filtering pipe 61, the filter plate 63 is slidingly connected with a baffle ring 67, and one end of the reciprocating screw rod 65 is penetrated by the baffle ring 67 and is fixedly connected with a plurality of rotary blades 66.
Specifically, the directional drilling machine power head structure is similar to the existing directional drilling machine power head structure, and the main improvement point of the directional drilling machine power head is that the directional drilling machine power head filters mud, so that the mud is conveyed, and the stability of drilling is improved; when the drilling is needed, the outside pipeline for conveying slurry is communicated with the liquid inlet driving unit 5, the motor 3 is started to work, the motor 3 drives the driving shaft 4 to work through the speed changer 2, the driving shaft 4 and the filter pipe 61 rotate, the outside drill rod is arranged at the end part of the driving shaft 4 and drives the slurry to be conveyed into the liquid inlet driving unit 5 through the pump, the slurry enters the filter pipe 61 from the liquid inlet driving unit 5, the slurry entering the filter pipe 61 impacts the rotary vane 66, thereby driving the rotary vane 66 to rotate, the rotary vane 66 can damage the mud blocks, the rotary vane 66 simultaneously rotates the reciprocating screw rod 65, the reciprocating screw rod 65 rotates to drive the filter plate 63 to move and slide in the filter plate 61 and the limiting groove 69, the filter plate 63 can not rotate, the support rod 64 supports the reciprocating screw rod 65, after entering the filter pipe 61, the mud passes through the middle part of the baffle ring 67 and then passes through the filter plate 63 to enter the driving shaft 4, finally, the mud is conveyed to an external drill bit from a drill rod at the end part of the driving shaft 4 and sprayed out, the filter plate 63 filters and cuts out large blocks of mud in the mud, the filter plate 63 is driven by the reciprocating screw rod 65 to reciprocate in the filter pipe 61, when the filter plate 63 is far away from the baffle ring 67, the mud in the mud is remained between the filter plate 63 and the baffle ring 67, when the filter plate 63 is close to the baffle ring 67, the filter plate 63 drives the mud to be close to the baffle ring 67, the mud is extruded and split through the clamping of the filter plate 63 and the baffle ring 67, the mud blocks split by the filter plate 63 can not block the drill rod, thereby realizing the filtration and treatment of the mud, avoiding the blocking to affect the drilling, improving the stability and the practicability of the drilling of the coal mine, and the slurry is ensured to be conveyed.
Specifically, the filter tube 61 includes a liquid inlet section 612, a filter section 611 and a connecting section 613, the liquid inlet driving unit 5 is communicated with the liquid inlet section 612, the liquid inlet section 612 is connected with the filter section 611 through a flange, the filter section 611 is connected with the connecting section 613 through a flange, the filter section 611 is rotationally connected with the inner wall of the driving shaft 4, the supporting rod 64 and the baffle ring 67 are fixedly connected in the filter section 611, the limit groove 69 is formed in the inner wall of the filter section 611, one end of the reciprocating screw rod 65 extends into the liquid inlet section 612, and the connection part of the liquid inlet section 612 and the filter section 611 is in a horn shape; mud enters the liquid inlet section 612 from the liquid inlet driving unit 5, then enters the filtering section 611 and is filtered through the filter plate 63, finally is conveyed into the driving shaft 4 from the connecting section 613, the driving shaft 4 rotates with the connecting section 613 during rotation, the filtering section 611 is detachable from the liquid inlet section 612 and the connecting section 613, the horn-shaped liquid inlet section 612 enables the end part of the reciprocating screw rod 65 and the rotary vane 66 to be taken out from the liquid inlet section 612, and therefore the inside of the filtering section 611 and the internal structure thereof are cleaned conveniently, the filtering effect on mud is guaranteed, and the practicability is improved.
Specifically, one side of the baffle ring 67 is fixedly connected with a guide cover 68, and the guide cover 68 is positioned in the filtering section 611; the mud is conveyed into the filtering section 611 from the liquid inlet section 612, and guided by the guide cover 68, so that the mud smoothly passes through the middle part of the baffle ring 67, and the smoothness of mud conveying is improved.
Specifically, the outer wall of the reciprocating screw rod 65 is provided with a transmission groove 7, one side of the filter plate 63 far away from the baffle ring 67 is rotationally connected with a brush rod 8, the brush rod 8 is sleeved outside the reciprocating screw rod 65, and the brush rod 8 is in sliding connection with the transmission groove 7; when the reciprocating screw rod 65 rotates to drive the filter plate 63 to move, the filter plate 63 drives the brush rod 8 to move, and the rotating reciprocating screw rod 65 drives the brush rod 8 to rotate through the transmission groove 7 on the outer wall of the reciprocating screw rod, so that the brush rod 8 cleans the filter plate 63, the filter plate 63 is prevented from being blocked, the slurry conveying is prevented from being influenced, and the practicability is improved.
Specifically, the driving shaft 4 comprises an outer sleeve driving tube 41 and an inner driving tube 42, the length of the inner driving tube 42 is larger than that of the outer sleeve driving tube 41, the inner driving tube 42 is rotationally connected in the outer sleeve driving tube 41, the outer sleeve driving tube 41 is installed in the speed changer 2, the motor 3 is matched with the speed changer 2 to drive the outer sleeve driving tube 41 to rotate, the two ends of the outer sleeve driving tube 41 are fixedly connected with second flanges 44, the outer walls of the two ends of the inner driving tube 42 are fixedly connected with first flanges 43, the inner driving tube 42 is fixedly connected with the outer sleeve driving tube 41 through the first flanges 43 and matched with the second flanges 44, one end of a filtering section 611 is rotationally connected with the inner wall of one end of the inner driving tube 42, the liquid inlet driving unit 5 comprises a supporting seat 51, the supporting seat 51 is fixedly installed on the upper surface of the base 1, the upper surface of the supporting seat 51 is fixedly connected with a round sleeve 52, one end of the inner driving tube 42 is penetrated with a round sleeve 52, the inner driving tube 42 is rotationally connected with the round sleeve 52, the outer walls of the round sleeve 52 are communicated with a liquid inlet head 53 and a liquid outlet tube 54, the outer walls of the inner driving tube 42 are fixedly connected with a plurality of evenly distributed blades 55, one end of the blades 55 is located at the other end of the blades 55, and is located at the inner end of the inlet tube 612 is communicated with the liquid outlet section 54. When the soft geology is drilled, the first flange 43 and the second flange 44 can be separated, at the moment, a motor 3 is not required to be started to work, so that the inner driving pipe 42 can rotate in the outer driving pipe 41, an external drill rod is connected with the end part of the inner driving pipe 42, a pipeline for conveying slurry is communicated with the liquid inlet head 53, the slurry is conveyed into the round sleeve 52 from the liquid inlet head 53, the supporting seat 51 supports the round sleeve 52, the slurry entering the round sleeve 52 impacts the blades 55 on the outer wall of the inner driving pipe 42, the inner driving pipe 42 rotates, the inner driving pipe 42 drives the drill rod and the drill bit to rotate for punching, the slurry entering the round sleeve 52 enters the inner driving pipe 42 from the liquid outlet pipe 54 and finally is sprayed out from the drill bit part through the filtering section 611 and the connecting section 613, the inner driving pipe 42 is driven to rotate by the thrust of the slurry, the drill rod and the drill bit are punched, the electric power can be saved, the drill rod and the drill bit are suitable for being used at a position which is not easy to pull, and the practicability is improved; when the geological hard part is required to be perforated, only the first flange 43 on the outer wall of the inner driving tube 42 and the second flange 44 on the outer wall of the outer driving tube 41 are required to be locked through bolts, so that the motor 3 can enable the inner driving tube 42 to rotate in a following way when the outer driving tube 41 is driven to rotate through the speed changer 2.
Specifically, a liquid inlet hole 62 is formed at one end of the liquid inlet section 612 far away from the filtering section 611, and the size of the liquid inlet hole 62 is the same as that of the liquid inlet head 53; when the motor 3 is used to drive the inner driving pipe 42 to rotate, the conveying pipe of the slurry can be connected with the liquid inlet section 612, so that the slurry directly enters the liquid inlet section 612 from the liquid inlet hole 62, and the practicability is improved.
Specifically, the outer end of the liquid inlet section 612 and the outer end of the liquid inlet head 53 are movably provided with a sealing cover 9 through bolts; when the outer end of the liquid inlet section 612 or the liquid inlet head 53 is not connected with the mud pipe, the mud pipe is sealed by the sealing cover 9, so that mud leakage is avoided.
Specifically, the outer walls of the two ends of the outer sleeve driving tube 41 outside the speed changer 2 are fixedly connected with a yielding cover 45 communicated with the inner part of the outer sleeve driving tube, the outer wall of the inner driving tube 42 is provided with two bearings 46, and the bearings 46 are positioned in the yielding cover 45; when the inner driving tube 42 rotates in the outer driving tube 41, the bearing 46 is used for reducing friction force, and meanwhile, the yielding cover 45 is matched with the bearing 46 to limit the inner driving tube 42 so as not to slide.
Specifically, the inner diameter of the baffle ring 67 is not smaller than half the diameter of the inner wall of the filtering section 611, and the diameter of the end face of the reciprocating screw 65 is not larger than one tenth of the inner diameter of the baffle ring 67; the inner hole of the baffle ring 67 has enough mud passing space, and the size of the reciprocating screw rod 65 is less in shielding when mud passes through the middle of the baffle ring 67, so that smooth conveying of the mud is ensured.
Specifically, the joints of the liquid inlet head 53 and the liquid outlet pipe 54 and the round sleeve 52 are vertically distributed, and the inner walls of the liquid inlet head 53 and the liquid outlet pipe 54 are tangent to the inner wall of the round sleeve 52; the liquid inlet heads 53 and the liquid outlet pipes 54 which are vertically distributed and tangent to the inner wall of the round sleeve 52 are convenient for smooth slurry conveying and reduce damping.
The steps are implemented in this embodiment: when drilling is needed, the outside pipeline for conveying mud is communicated with the liquid inlet section 612, the motor 3 is started to work, the motor 3 drives the outer driving pipe 41 to work through the speed changer 2, the outer driving pipe 41 drives the inner driving pipe 42 to rotate, the inner driving pipe 42 and the connecting section 613 rotate, an outside drill rod is arranged at the end part of the inner driving pipe 42 and drives the mud to be conveyed to the liquid inlet section 612 through a pump, the mud enters the filtering section 611 from the liquid inlet section 612, the mud entering the liquid inlet section 612 impacts the rotary vane 66, thereby driving the rotary vane 66 to rotate, the rotary vane 66 can damage mud blocks, the rotating rotary vane 66 simultaneously rotates the reciprocating screw 65, the reciprocating screw 65 rotates to drive the filter plate 63 to move and slide in the filtering section 611 and the limiting groove 69, the limiting groove 69 limits the filter plate 63 not to rotate, the support rod 64 supports the reciprocating screw 65, after entering the filter pipe 61, the mud passes through the middle part of the baffle ring 67 through the guide of the guide cover 68, then passes through the filter plate 63 and enters the connecting section 613, is conveyed into the inner driving pipe 42 from the connecting section 613, and finally is conveyed to an external drill bit from a drill rod at the end part of the inner driving pipe 42 and sprayed out, the filter plate 63 filters and cuts off large blocks of mud in the mud, the filter plate 63 is driven by the reciprocating screw rod 65 to reciprocate in the filter section 611, when the filter plate 63 is far away from the baffle ring 67, mud in the mud is reserved between the filter plate 63 and the baffle ring 67, when the filter plate 63 is close to the baffle ring 67, the filter plate 63 drives the mud blocks to be close to the baffle ring 67, and the mud blocks cut off by the filter plate 63 are extruded and separated by the clamping of the filter plate 63, so that the mud after the filtration is sprayed out along with the mud is filtered, and the filtration and treatment of the mud are realized; when the soft geology is drilled, the first flange 43 and the second flange 44 can be separated, at the moment, the motor 3 is not required to be started to work, the inner driving pipe 42 can rotate in the outer driving pipe 41, an external drill rod is connected with the end part of the inner driving pipe 42, a pipeline for conveying slurry is communicated with the liquid inlet head 53, the slurry is conveyed into the round sleeve 52 from the liquid inlet head 53, the round sleeve 52 is supported by the supporting seat 51, the slurry entering the round sleeve 52 impacts the blades 55 on the outer wall of the inner driving pipe 42, so that the inner driving pipe 42 rotates, the inner driving pipe 42 drives the drill rod and the drill bit to rotate for punching, the slurry entering the round sleeve 52 is conveyed into the liquid outlet pipe 54 again into the liquid inlet section 612, the slurry enters the inner driving pipe 42 through the filtering section 611 and the connecting section 613, finally is sprayed out from the drill bit part, the inner driving pipe 42 is driven to rotate by the thrust of the slurry, the drill rod and the drill bit are punched, the electric power can be saved, the use of the soft geology is not easy to pull.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (6)
1. The utility model provides a directional drilling machine unit head for coal mine, including base (1), derailleur (2) and motor (3), characterized in that, install in derailleur (2) drive shaft (4) through motor (3) cooperation derailleur (2), upper surface mounting of base (1) has feed liquor drive unit (5), filter unit (6) are installed to one end of drive shaft (4), one end and filter unit (6) intercommunication of feed liquor drive unit (5), filter unit (6) include filter tube (61), one end and drive shaft (4) rotation of filter tube (61) are connected and are linked together, install bracing piece (64) in filter tube (61), bracing piece (64) internal rotation is connected with reciprocating lead screw (65), the outer wall threaded connection of reciprocating lead screw (65) has filter (63), a plurality of spacing groove (69) have been seted up to the inner wall of filter tube (61), filter (63) and spacing groove (69) sliding connection, fixedly connected with stop ring (67) in filter tube (61), one end of reciprocating lead screw (65) wears to establish stop ring (67) and fixedly connected with a plurality of rotary leaves (66).
The filter tube (61) comprises a liquid inlet section (612), a filter section (611) and a connecting section (613), wherein the liquid inlet driving unit (5) is communicated with the liquid inlet section (612), the liquid inlet section (612) is connected with the filter section (611) through a flange, the filter section (611) is connected with the connecting section (613) through a flange, the filter section (611) is rotationally connected with the inner wall of the driving shaft (4), the supporting rod (64) and the baffle ring (67) are fixedly connected in the filter section (611), the limiting groove (69) is formed in the inner wall of the filter section (611), one end of the reciprocating screw rod (65) extends into the liquid inlet section (612), and the connecting part of the liquid inlet section (612) and the filter section (611) is in a horn shape;
One side of the baffle ring (67) is fixedly connected with a guide cover (68), and the guide cover (68) is positioned in the filtering section (611);
A transmission groove (7) is formed in the outer wall of the reciprocating screw rod (65), one side, far away from the baffle ring (67), of the filter plate (63) is rotationally connected with a brush rod (8), the brush rod (8) is sleeved outside the reciprocating screw rod (65), and the brush rod (8) is in sliding connection with the transmission groove (7);
The driving shaft (4) comprises an outer driving pipe (41) and an inner driving pipe (42), the length of the inner driving pipe (42) is larger than that of the outer driving pipe (41), the inner driving pipe (42) is rotationally connected in the outer driving pipe (41), the outer driving pipe (41) is installed in a speed changer (2), a motor (3) is matched with the speed changer (2) to drive the outer driving pipe (41) to rotate, two ends of the outer driving pipe (41) are fixedly connected with second flange plates (44), two outer walls of two ends of the inner driving pipe (42) are fixedly connected with first flange plates (43), the inner driving pipe (42) is fixedly connected with the outer driving pipe (41) through the first flange plates (43) and matched with the second flange plates (44), one end of a filtering section (611) is rotationally connected with one end inner wall of the inner driving pipe (42), the liquid inlet driving unit (5) comprises a supporting seat (51), the supporting seat (51) is fixedly installed on the upper surface of the base (1), a round sleeve (52) is fixedly connected with the upper surface of the supporting seat (51), one end of the inner driving pipe (42) penetrates through the first flange plates (52) and is rotationally connected with the outer wall (52) of the round sleeve (52), the outer wall of the inner driving pipe (42) is fixedly connected with a plurality of evenly distributed blades (55), the blades (55) are positioned in the round sleeve (52), and the other end of the liquid outlet pipe (54) is communicated with the liquid inlet section (612).
2. The directional drilling machine power head for coal mines according to claim 1, wherein one end of the liquid inlet section (612) far away from the filtering section (611) is provided with a liquid inlet hole (62), and the size of the liquid inlet hole (62) is the same as that of the liquid inlet head (53).
3. The directional drilling machine power head for coal mines according to claim 2, wherein the outer end of the liquid inlet section (612) and the outer end of the liquid inlet head (53) are movably provided with a sealing cover (9) through bolts.
4. The directional drilling machine power head for the coal mine as claimed in claim 1, wherein the outer walls of the two ends of the outer sleeve driving tube (41) which are positioned outside the speed changer (2) are fixedly connected with a yielding cover (45) communicated with the inside of the outer sleeve driving tube, two bearings (46) are arranged on the outer wall of the inner driving tube (42), and the bearings (46) are positioned in the yielding cover (45).
5. The directional drilling machine power head for coal mines according to claim 1, wherein the inner diameter of the baffle ring (67) is not smaller than half of the inner wall diameter of the filtering section (611), and the end face diameter of the reciprocating screw rod (65) is not larger than one tenth of the inner diameter of the baffle ring (67).
6. The directional drilling machine power head for the coal mine according to claim 1, wherein the joints of the liquid inlet head (53) and the liquid outlet pipe (54) and the round sleeve (52) are vertically distributed, and the inner walls of the liquid inlet head (53) and the liquid outlet pipe (54) are tangent to the inner wall of the round sleeve (52).
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| CN202410397146.8A CN118008123B (en) | 2024-04-03 | 2024-04-03 | Directional drilling machine power head for coal mine |
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| CN202410397146.8A CN118008123B (en) | 2024-04-03 | 2024-04-03 | Directional drilling machine power head for coal mine |
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| CN118008123B true CN118008123B (en) | 2024-07-05 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806219A (en) * | 2010-03-17 | 2010-08-18 | 重庆探矿机械厂 | Two-piece all-hydraulic tunnel drilling machine |
| CN105672871A (en) * | 2016-04-07 | 2016-06-15 | 陕西太合科技有限公司 | All-hydraulic drill power head with rear-mounted floating-ring |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1579524A1 (en) * | 1988-08-01 | 1990-07-23 | Сургутское отделение Западно-Сибирского научно-исследовательского и проектно-конструкторского института технологии глубокого разведочного бурения | Apparatus for purifying drilling mud |
| CN203603145U (en) * | 2013-10-29 | 2014-05-21 | 青州市永固基础工程有限公司 | Long spiral drilling machine grouting retaining wall hole forming system |
| CN116446809A (en) * | 2023-02-23 | 2023-07-18 | 煤炭科学技术研究院有限公司 | Coal mine drilling mud collecting method |
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- 2024-04-03 CN CN202410397146.8A patent/CN118008123B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806219A (en) * | 2010-03-17 | 2010-08-18 | 重庆探矿机械厂 | Two-piece all-hydraulic tunnel drilling machine |
| CN105672871A (en) * | 2016-04-07 | 2016-06-15 | 陕西太合科技有限公司 | All-hydraulic drill power head with rear-mounted floating-ring |
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