CN113622817A - Low-clearance rotary drilling rig - Google Patents
Low-clearance rotary drilling rig Download PDFInfo
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- CN113622817A CN113622817A CN202111104328.4A CN202111104328A CN113622817A CN 113622817 A CN113622817 A CN 113622817A CN 202111104328 A CN202111104328 A CN 202111104328A CN 113622817 A CN113622817 A CN 113622817A
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- gear
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- crawler
- square frame
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- 238000005553 drilling Methods 0.000 title claims abstract description 57
- 230000001681 protective effect Effects 0.000 claims abstract description 36
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 32
- 238000005096 rolling process Methods 0.000 claims description 27
- 239000002689 soil Substances 0.000 claims description 25
- 210000000078 claw Anatomy 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/10—Formed core retaining or severing means
-
- 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Soil Sciences (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a low-clearance rotary drilling rig which comprises a crawler, wherein a downward pressing drilling mechanism is arranged on the crawler and comprises a drill rod, an earth lifting mechanism is arranged below the downward pressing drilling mechanism and comprises a protective cylinder, the protective cylinder is sleeved on the outer side of the drill rod, and a bulldozing mechanism is arranged below the crawler. The drilling machine has the advantages that the power box is provided with power through the two motors and the four speed reducers, the power is stronger, the motors can be arranged on one side of the power box, the occupied height space is reduced, and the drilling machine is convenient to excavate in a tunnel.
Description
Technical Field
The invention relates to the technical field of drilling rig equipment, in particular to a low-clearance rotary drilling rig.
Background
The rotary drilling rig is a comprehensive drilling rig, can be used for various terrains, has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like, and can be used for dry-digging operation by a short spiral drill bit and wet-digging operation by a rotary drill bit under the condition of slurry retaining walls.
Among the prior art, when using the drilling of digging the rig soon, generally rotate through the motor drive headstock, then make the drill bit rotate and move downwards, the area protects a section of thick bamboo simultaneously and moves downwards, the soil that will drill out moves in protecting a section of thick bamboo, then can move out soil through protecting a section of thick bamboo lift, but it has some problems when using, it is downthehole that the soil that enters into in protecting a section of thick bamboo drops the excavation easily, and when drilling, the drill bit does not have the power of pushing down, influence the efficiency of drilling, and the rig uses in the tunnel occasionally, general rig soon, motor direct mount is in the headstock top, occupy great space, it is inconvenient to use in the tunnel.
Disclosure of Invention
Aiming at the defects, the invention provides a low-clearance rotary drilling rig to solve the problem.
In order to achieve the purpose, the invention adopts the following technical scheme:
a low-clearance rotary drilling rig comprises a crawler, wherein a downward-pressing drilling mechanism is mounted on the crawler and comprises a drill rod, an earth lifting mechanism is arranged below the downward-pressing drilling mechanism and comprises a protective cylinder, the protective cylinder is sleeved on the outer side of the drill rod, a bulldozing mechanism is mounted below the crawler,
the downward-pressing drilling mechanism comprises a fixed table fixedly arranged on the upper surface of a crawler, connecting frames are arranged on two sides of the upper surface of the fixed table, a square frame is arranged on the front side of the crawler, the lower end of the surface of one side of the square frame is hinged with the connecting frames, fixing frames are arranged on the surfaces of two sides in the square frame, a guide rod is arranged on one side of the fixing frame, a lifting table is arranged on the inner side of the square frame, guide holes are formed in two sides of the lifting table and sleeved on the guide rod, a triangular support frame is arranged on the front side of the square frame, a power box is arranged on the front side of the triangular support frame, guide grooves are formed in two sides in the square frame, guide blocks are arranged on two sides of the triangular support frame, one end of each guide block is positioned in each guide groove, first idler wheels are arranged on two sides of the upper surface of the lifting table, limiting frames are arranged on two sides of the upper surface of the square frame, two second idler wheels are arranged in the limiting frames, and first connecting belts are arranged on the rear sides of the limiting frames, one end of the first connecting belt is fixedly connected with the upper surface of the power box by bypassing a first roller and two second rollers, one side of the lower surface of the lifting platform is provided with a third roller, the lower surface of the square frame is provided with a fourth roller, one side of the upper surface of the fixed platform is provided with a second connecting belt, one end of the second connecting belt is connected with the lower surface of the triangular support frame by bypassing the third roller and the fourth roller, the upper surface of the square frame is provided with a first hydraulic rod, the lower end of the first hydraulic rod is fixedly connected with the upper surface of the lifting platform, one side surface of the power box is provided with two motors, the power output end of each motor is provided with a first gear, two sides of the upper surface of the power box are provided with first reducers, the power input end of each first reducer is provided with a second gear, the second gear is meshed with the first gear, the power output end of each first reducer is provided with a third gear, and two sides of the upper surface of the power box are provided with second reducers, the fourth gear is installed to second reduction gear power input end, and third gear and fourth gear meshing, two power input ends of headstock are connected with the power take off of two second reduction gears, and the rolling disc is installed to the power take off of headstock, and the connecting rod is installed to the rolling disc lower extreme, and the drilling rod upper end is connected with the connecting rod, and the drill bit is installed to the drilling rod lower extreme.
Further, the soil lifting mechanism comprises a hydraulic winch fixedly arranged on one side of the lower surface of a rotating disc, a connecting hole is formed in the upper end of a protective cylinder, the protective cylinder is sleeved outside a drill rod through the connecting hole, a connecting ring is arranged on one side of the upper surface of the protective cylinder, one end of a steel wire rope on the hydraulic winch is connected with the connecting ring, a plurality of connecting grooves are formed in the drill rod, a plurality of positioning plates are arranged at the upper end in the protective cylinder, one end of each positioning plate extends into the connecting groove, rotating plates are hinged to two sides of the lower end of the protective cylinder, a shovel claw is arranged on one side of the lower end of the rotating plate, a wing plate is hinged to the upper end of the shovel claw, a supporting table is arranged at the lower end of the front side surface of the square frame, a square hole is formed in the supporting table, rotating shafts are arranged on two sides of the supporting table, one end of each rotating shaft is provided with a first rolling bearing, one end of each first rolling bearing is connected with one side surface of the supporting table, a square plate is arranged in the square hole, one end of the square plate is fixedly connected with the rotating shafts, one side of the square plate is provided with a semicircular hole, the semicircular hole corresponds to the position of the drill rod, a rotating gear is installed at one end of the rotating shaft, a second hydraulic rod is installed at two ends of the rear side surface of the square frame, a lifting rack is installed at the lower end of the telescopic end of the second hydraulic rod, and the lifting rack is meshed with the rotating gear.
Further, bulldozing mechanism includes the third hydraulic stem of fixed mounting in tracked vehicle lower surface both sides, and tracked vehicle front both sides are equipped with the slurcam, and the flexible end fixed connection of slurcam side surface and third hydraulic stem is equipped with Contraband font frame, Contraband font frame front end both sides and slurcam fixed connection below the tracked vehicle.
Furthermore, the spliced pole is installed at the both ends on tracked vehicle both sides surface, and fourth hydraulic stem is installed to spliced pole one side, and the backup pad is installed to the fourth hydraulic stem lower extreme.
Furthermore, a first round hole is formed at the lower end of the power box, a power output shaft is arranged at the position of the first round hole, second rolling bearings are mounted at two ends of the power output shaft and fixedly mounted in the power box, first transmission shafts are arranged at two sides of the power output shaft, third rolling bearings are mounted at two ends of the first transmission shafts and fixedly mounted in the power box, fifth gears are mounted on the power output shaft, sixth gears are mounted at the lower ends of the first transmission shafts and meshed with the fifth gears, seventh gears are mounted at the upper ends of the first transmission shafts, a second transmission shaft is arranged at one side of the first transmission shafts, fourth rolling bearings are mounted at two ends of the second transmission shafts and fixedly mounted in the power box, eighth gears are mounted on the second transmission shafts and meshed with the seventh gears, and ninth gears are mounted at the upper ends of the second transmission shafts, and the two sides of the upper end of the power box are provided with second round holes, the power output end of the second speed reducer penetrates through the second round holes to extend into the power box, the power output end of the second speed reducer is provided with a tenth gear, and the tenth gear is meshed with the ninth gear.
Furthermore, the fifth gear, the seventh gear and the ninth gear are large gears, and the sixth gear, the eighth gear and the tenth gear are small gears.
Furthermore, a gap exists between the pushing plates on the two sides of the front of the crawler, and the size of the gap is larger than the diameter of the drill rod.
The invention has the beneficial effects that: the protective cylinder can move up and down along the drill rod and can rotate along with the drill rod, the protective cylinder is positioned at the lower end of the drill rod during drilling, the protective cylinder can rotate along with the drill rod when the drill rod drives the drill bit to rotate, soil drilled by the drill bit can enter the protective cylinder, the drill rod can be pushed downwards through the extension and retraction of the hydraulic telescopic rod during drilling, a downward pressure can be given to the drill bit, the protective cylinder can be driven to ascend through a hydraulic winch after soil in the protective cylinder is filled, at the moment, the drill rod cannot rotate, the rotating plate and the wing plate can prevent the soil in the protective cylinder from falling off, when the protective cylinder ascends, the square plate can be rotated and opened through the hydraulic rod, the protective cylinder can be conveniently moved to the upper part of the ground, then the square plate can be rotated and closed through the hydraulic rod, the protective cylinder can vibrate through the repeated rotation of the motor, the soil in the protective cylinder can fall on the square plate, and the rotating plate does not need to be pulled open manually, then can promote one side with the soil of digging through hydraulic stem and kickboard, improved work efficiency, this rig provides power for the headstock through two motors and four reduction gears, and power is stronger to the motor mountable has reduced the high space that it occupied in headstock one side, is convenient for excavate in the tunnel.
Drawings
FIG. 1 is a schematic structural diagram of a low-clearance rotary drilling rig according to the invention;
FIG. 2 is a schematic front view of a low-clearance rotary drilling rig according to the invention;
FIG. 3 is a schematic side view of a low-clearance rotary drilling rig according to the invention;
FIG. 4 is a schematic view showing the connection relationship of the motor, the first speed reducer and the second speed reducer according to the present invention;
FIG. 5 is a schematic view of the connection between the first belt and the power box according to the present invention;
FIG. 6 is a schematic view of the position of the lift table and guide rods of the present invention;
FIG. 7 is a schematic illustration of the position of the casing and drill pipe of the present invention;
FIG. 8 is a schematic view of the structure of the dozing mechanism of the present invention;
FIG. 9 is a schematic structural view of the power box of the present invention;
in the figure, 1, a crawler; 2. a drill stem; 3. protecting the cylinder; 4. a fixed table; 5. a connecting frame; 6. a square frame; 7. a fixed mount; 8. a guide bar; 9. a lifting platform; 10. a guide hole; 11. a triangular support frame; 12. a power box; 13. a guide groove; 14. a guide block; 15. a first roller; 16. a limiting frame; 17. a second roller; 18. a first connecting belt; 19. a third roller; 20. a fourth roller; 21. a second connecting band; 22. a first hydraulic lever; 23. an electric motor; 24. a first gear; 25. a first decelerator; 26. a second gear; 27. a third gear; 28. a second decelerator; 29. a fourth gear; 30. rotating the disc; 31. a connecting rod; 32. a drill bit; 33. a hydraulic winch; 34. connecting holes; 35. a connecting ring; 36. connecting grooves; 37. positioning a plate; 38. a rotating plate; 39. a shovel claw; 40. a wing plate; 41. a support table; 42. a square hole; 43. a rotating shaft; 44. a first rolling bearing; 45. a square plate; 46. a semicircular hole; 47. a rotating gear; 48. a second hydraulic rod; 49. a lifting rack; 50. a third hydraulic lever; 51. a push plate; 52. contraband font frame; 53. connecting columns; 54. a fourth hydraulic lever; 55. a support plate; 56. a first circular hole; 57. a power take-off shaft; 58. a second rolling bearing; 59. a first drive shaft; 60. a third rolling bearing; 61. a fifth gear; 62. a sixth gear; 63. a seventh gear; 64. a second drive shaft; 65. a fourth rolling bearing; 66. an eighth gear; 67. a ninth gear; 68. a second circular hole; 69. a tenth gear.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings, as shown in FIGS. 1-9: a low-clearance rotary drilling rig comprises a crawler 1, wherein a downward pressing drilling mechanism is arranged on the crawler 1 and comprises a drill rod 2, an earth lifting mechanism is arranged below the downward pressing drilling mechanism and comprises a protective cylinder 3, the protective cylinder 3 is sleeved on the outer side of the drill rod 2, a bulldozing mechanism is arranged below the crawler 1,
the downward-pressing drilling mechanism comprises a fixed table 4 fixedly arranged on the upper surface of a crawler 1, connecting frames 5 are arranged on two sides of the upper surface of the fixed table 4, a square frame 6 is arranged on the front side of the crawler 1, the lower end of one side surface of the square frame 6 is hinged with the connecting frames 5, fixed frames 7 are arranged on two sides surfaces in the square frame 6, a guide rod 8 is arranged on one side of each fixed frame 7, a lifting table 9 is arranged on the inner side of the square frame 6, guide holes 10 are formed in two sides of the lifting table 9, the guide holes 10 are sleeved on the guide rods 8, a triangular support frame 11 is arranged on the front side of the square frame 6, a power box 12 is arranged on the front side of the triangular support frame 11, guide grooves 13 are formed in two sides in the square frame 6, guide blocks 14 are arranged on two sides of the triangular support frame 11, one end of each guide block 14 is positioned in each guide groove 13, first rollers 15 are arranged on two sides of the upper surface of the lifting table 9, and limiting frames 16 are arranged on two sides of the upper surface of the square frame 6, two second rollers 17 are arranged in a limiting frame 16, a first connecting belt 18 is arranged at the rear side of the limiting frame 16, one end of the first connecting belt 18 bypasses a first roller 15 and the two second rollers 17 to be fixedly connected with the upper surface of a power box 12, a third roller 19 is arranged at one side of the lower surface of a lifting platform 9, a fourth roller 20 is arranged at the lower surface of a square frame 6, a second connecting belt 21 is arranged at one side of the upper surface of a fixed platform 4, one end of the second connecting belt 21 bypasses the third roller 19 and the fourth roller 20 to be connected with the lower surface of a triangular supporting frame 11, a first hydraulic rod 22 is arranged at the upper surface of the square frame 6, the lower end of the first hydraulic rod 22 is fixedly connected with the upper surface of the lifting platform 9, two motors 23 are arranged on the surface of one side of the power box 12, a first gear 24 is arranged at the power output end of each motor 23, first reducers 25 are arranged at two sides of the upper surface of the power box 12, a second gear 26 is arranged at the power input end of each first reducer 25, second gear 26 and first gear 24 mesh, third gear 27 is installed to first reduction gear 25 power take off end, second reduction gear 28 is installed to headstock 12 upper surface both sides, fourth gear 29 is installed to second reduction gear 28 power take off end, third gear 27 and fourth gear 29 mesh, two power take off ends and two second reduction gear 28 of headstock 12 are connected, the power take off end of headstock 12 installs rolling disc 30, connecting rod 31 is installed to rolling disc 30 lower extreme, drilling rod 2 upper end is connected with connecting rod 31, drilling bit 32 is installed to drilling rod 2 lower extreme, can be convenient for provide the power of a pushing down for drilling bit 32, be convenient for excavate.
The soil lifting mechanism comprises a hydraulic winch 33 fixedly installed on one side of the lower surface of a rotating disc 30, a connecting hole 34 is formed in the upper end of a protective cylinder 3, the protective cylinder 3 is sleeved on the outer side of a drill rod 2 through the connecting hole 34, a connecting ring 35 is installed on one side of the upper surface of the protective cylinder 3, one end of a steel wire rope on the hydraulic winch 33 is connected with the connecting ring 35, a plurality of connecting grooves 36 are formed in the drill rod 2, a plurality of positioning plates 37 are installed at the upper end in the protective cylinder 3, one end of each positioning plate 37 extends into the corresponding connecting groove 36, rotating plates 38 are hinged to two sides of the lower end of the protective cylinder 3, a shovel claw 39 is installed on one side of the lower end of each rotating plate 38, a wing plate 40 is hinged to the upper end of each shovel claw 39, a supporting table 41 is installed at the lower end of the front side surface of a square frame 6, a square hole 42 is formed in the supporting table 41, rotating shafts 43 are arranged on two sides of the supporting table 41, a first rolling bearing 44 is installed at one end of the first rolling bearing 44 and connected with one side surface of the supporting table 41, be equipped with square 45 in the quad slit 42, square 45 one end and axis of rotation 43 fixed connection, square 45 one side is opened there is semicircle orifice 46, semicircle orifice 46 and 2 positions of drilling rod correspond, and rotating gear 47 is installed to axis of rotation 43 one end, and second hydraulic stem 48 is installed at 6 rear side surface both ends of square frame, and lifting rack 49 is installed to the flexible end lower extreme of second hydraulic stem 48, and lifting rack 49 and rotating gear 47 mesh can be convenient for mention soil.
Bulldozing mechanism includes the third hydraulic stem 50 of fixed mounting in 1 lower surface both sides of tracked vehicle, and 1 the place ahead both sides of tracked vehicle are equipped with slurcam 51, and the flexible end fixed connection of slurcam 51 side surface and third hydraulic stem 50 is equipped with Contraband font frame 52 below tracked vehicle 1, Contraband font frame 52 front end both sides and slurcam 51 fixed connection, can be convenient for promote one side with soil.
The lower end of the power box 12 is provided with a first round hole 56, a power output shaft 57 is arranged at the position of the first round hole 56, second rolling bearings 58 are arranged at two ends of the power output shaft 57, the second rolling bearings 58 are fixedly arranged in the power box 12, first transmission shafts 59 are arranged at two sides of the power output shaft 57, third rolling bearings 60 are arranged at two ends of the first transmission shafts 59, the third rolling bearings 60 are fixedly arranged in the power box 12, fifth gears 61 are arranged on the power output shaft 57, sixth gears 62 are arranged at the lower ends of the first transmission shafts 59, the sixth gears 62 are meshed with the fifth gears 61, seventh gears 63 are arranged at the upper ends of the first transmission shafts 59, a second transmission shaft 64 is arranged at one side of the first transmission shafts 59, fourth rolling bearings 65 are arranged at two ends of the second transmission shaft 64, the fourth rolling bearings 65 are fixedly arranged in the power box 12, eighth gears 66 are arranged on the second transmission shafts 64, and the eighth gears 66 are meshed with the seventh gears 63, a ninth gear 67 is mounted at the upper end of the second transmission shaft 64, second round holes 68 are formed in two sides of the upper end of the power box 12, a power output end of the second speed reducer 28 penetrates through the second round holes 68 to extend into the power box 12, a tenth gear 69 is mounted at the power output end of the second speed reducer 28, and the tenth gear 69 is meshed with the ninth gear 67.
The fifth gear 61, the seventh gear 63 and the ninth gear 67 are large gears, and the sixth gear 62, the eighth gear 66 and the tenth gear 69 are small gears, so that the rotation speed of the drill bit 32 can be reduced conveniently.
A gap exists between the pushing plates 51 on the two sides in front of the crawler 1, the size of the gap is larger than the diameter of the drill rod 2, and therefore the pushing plates 51 can push away soil and the drill rod 2 can be avoided.
In this embodiment, the electric equipment of the device is controlled by an external controller, under normal conditions, the square frame 6 is placed upside down on the fixed table 4, the fourth hydraulic telescopic rod 54 is in the shortest state, the support plate 55 is away from the ground, at this time, the drilling machine can be conveniently moved to each position by the crawler 1, when the drilling machine is moved to a specified position, the fourth hydraulic telescopic rod 54 is started to extend, the support plate 55 can be moved to the ground, the crawler 1 can be supported by a reaction force to prevent the crawler 1 from moving, the lower end of the square frame 6 is hinged with the connecting frame 5, the upper end of the square frame 6 is hinged with the fixed table 4 by a hydraulic cylinder, the square frame 6 can be rotatably supported by the contraction of the hydraulic cylinder and the rotation of the winch, the support table 41 can fall on the ground, the protective cylinder 3 is sleeved outside the drill rod 2, the hydraulic winch 33 is connected with the connecting ring 35 on the protective cylinder 3 by a steel wire rope, the pile casing 3 can be lifted to prevent the pile casing from falling, the first hydraulic telescopic rod 22 extends to the longest, the lifting platform 9 is positioned at the lower end of the guide rod 8, the square frame 6 is rotatably supported through the contraction of the hydraulic cylinder and the rotation of the winch, the method belongs to the prior mature technology and is not described in detail,
during drilling, the second hydraulic rod 48 is firstly started to shorten, the lifting rack 49 can be driven to move upwards, the lifting rack 49 is meshed with the rotating gear 47, the rotating gear 47 and the rotating shaft 43 can be driven to rotate when the lifting rack 49 moves upwards, the square plate 45 can further rotate towards one side, the square hole 42 can be opened, the two motors 23 are started to rotate, the motors 23 can drive the first gear 24 to rotate, the first gear 24 is meshed with the second gear 26, the second gear 26 and the first speed reducer 25 can be driven to rotate, the first speed reducer 25 can drive the third gear 27 to rotate, the third gear 27 is meshed with the fourth gear 29, the second speed reducer 28 can be driven to rotate, the second speed reducer 28 can drive the tenth gear 69 to rotate, the tenth gear 69 is meshed with the ninth gear 67, the second transmission shaft 64 and the eighth gear 66 can be driven to rotate, the eighth gear 66 is meshed with the seventh gear 63, the seventh gear 63, the first transmission shaft 59 and the sixth gear 62 can be driven to rotate, the sixth gear 62 is meshed with the fifth gear 61, the fifth gear 61 and the power output shaft 57 can be driven to rotate, the rotating disc 30 is installed at the lower end of the power output shaft 57, the rotating disc 30, the connecting rod 31, the drill rod 2 and the drill bit 32 can be driven to rotate, the drill rod 2 can drive the positioning plate 37 to rotate through the connecting groove 36, the pile casing 3 can be driven to rotate, when the drill bit 32 rotates, the ground can be drilled, soil can be pushed to the ground,
when the drill bit 32 rotates, the first hydraulic telescopic rod 22 is started to shorten, the first hydraulic telescopic rod 22 can drive the lifting platform 9 to move upwards, the guide rod 8 and the guide hole 10 can ensure the moving direction of the lifting platform 9, when the lifting platform 9 moves upwards, the first roller 15 can move upwards, and further the first connecting belt 18 can be loosened, under the action of gravity, the triangular support frame 11 and the power box 12 can move downwards, the guide block 14 and the guide groove 13 can ensure the moving direction of the triangular support frame 11, when the lifting platform 9 moves upwards, the third roller 19 can move one end of the second transmission belt 21 upwards, the other end of the second transmission belt 21 can pull the triangular support frame 11 downwards, under the action of double action force, the power box 12 can move downwards, and further the drill bit 32 can move downwards, and drilling is carried out to drill a hole,
along with the drilling, the drill bit 32 completely enters the ground, then the pile casing 3 begins to enter the drilled hole, at the moment, the soil drilled by the drill bit 32 moves upwards but cannot move to the outer side of the hole, the soil moving upwards can push the rotating plate 38, the shovel claw 39 and the wing plate 40 upwards, further the soil moves into the pile casing 3, when the pile casing 3 completely moves to the ground, the second hydraulic rod 48 is started to extend, the lifting rack 49 can be driven to move downwards, the lifting rack 49 is meshed with the rotating gear 47, the rotating gear 47 and the rotating shaft 43 can be driven to rotate when the lifting rack 49 moves downwards, further the square plates 45 can be rotated to one side, the square holes 42 can be closed, the semi-circular holes 46 on the two square plates 45 can form a circular hole, the drill rod 2 is avoided, the drill rod 2 can be conveniently moved downwards, and the soil can be prevented from falling into the drilled hole, when the power box 12 moves to the lowest end, the length of the drill rod 2 is not enough, the drilling can not be continued, the worker firstly closes the two motors 23, then disconnects the uppermost drill rod 2 from the connecting rod 31, starts the first hydraulic telescopic rod 22 to extend, the first hydraulic telescopic rod 22 can drive the lifting platform 9 to move downwards, the guide rod 8 and the guide hole 10 can ensure the moving direction of the lifting platform 9, when the lifting platform 9 moves downwards, the third roller 19 can move downwards, the third roller 19 can loosen the second transmission belt 21, when the lifting platform 9 moves downwards, the first roller 15 can move downwards, further the first connecting belt 18 can be tensioned upwards, the triangular support frame 11 and the power box 12 can move upwards, the guide block 14 and the guide groove 13 can ensure the moving direction of the triangular support frame 11, when the power box 12 moves upwards, the hydraulic winch 33 can automatically release the steel wire rope without driving the protective cylinder 3 upwards, when the power box 12 moves to the top, a new drill rod 2 is arranged between the drill rod 2 and the connecting rod 31, then the two motors 23 are started to rotate, the drilling is continued, simultaneously the first hydraulic rod 22 is started to shorten, the drill bit 32 can be pushed downwards,
when the pile casing 3 is full of soil, the motor 23 is turned off, the hydraulic winch 33 is started to retract the steel wire rope, the pile casing 3 can be pulled upwards through the connecting ring 35, the rotating plate 38 cannot rotate downwards when the pile casing 3 moves upwards, and the soil in the pile casing 3 can be prevented from falling off, when the pile casing 3 moves upwards, the positioning plate 37 and the connecting groove 36 can ensure the moving direction of the pile casing 3, when the pile casing 3 moves upwards, the second hydraulic rod 48 is started to shorten, the lifting rack 49 can be driven to move upwards, the lifting rack 49 is meshed with the rotating gear 47, when the lifting rack 49 moves upwards, the rotating gear 47 and the rotating shaft 43 can be driven to rotate, and the square plate 45 can be rotated to one side, the square hole 42 can be opened, the pile casing 3 can be conveniently passed through, when the pile casing 3 moves to the square plate 45, the second hydraulic rod 48 is started to extend, the lifting rack 49 can be driven to move downwards, the lifting rack 49 is meshed with the rotating gear 47, when the lifting rack 49 moves downwards, the rotating gear 47 and the rotating shaft 43 can be driven to rotate, the square plate 45 can further rotate towards one side, the square hole 42 can be closed, then the hydraulic winch 33 is closed, the motor 23 is started to intermittently rotate forwards and backwards, the power box 12 is driven to rotate forwards and backwards through the first speed reducer 25 and the second speed reducer 28, the rotating disc 30, the connecting rod 31 and the drill rod 2 can intermittently rotate forwards and backwards, the protective cylinder 3 is driven to vibrate through the connecting groove 36 and the positioning plate 37, soil in the protective cylinder 3 can fall onto the square plate 45 through gaps among the rotating plate 38, the shovel claw 39 and the wing plate 40, the third hydraulic rod 50 is started to extend, the pushing plate 51 can be pushed forwards through the third hydraulic rod 50, and soil above the square plate 45 can be pushed to one side, then starting, the third hydraulic rod 50 shortens, the pushing plate 51 can be retracted, the second hydraulic rod 48 shortens, the lifting rack 49 can be driven to move upwards, the lifting rack 49 is meshed with the rotating gear 47, the rotating gear 47 and the rotating shaft 43 can be driven to rotate when the lifting rack 49 moves upwards, the square plate 45 can further rotate towards one side, the square hole 42 can be opened, the hydraulic winch 33 is started to discharge a steel wire rope, the protective barrel 3 can move downwards under the action of gravity, when the protective barrel moves above the drill bit 32, the hydraulic winch 33 is closed, the second hydraulic rod 48 is started to extend, the lifting rack 49 can be driven to move downwards, the lifting rack 49 is meshed with the rotating gear 47, the rotating gear 47 and the rotating shaft 43 can be driven to rotate when the lifting rack 49 moves downwards, the square plate 45 can further rotate towards one side, and the square hole 42 can be closed, then the motor 23 is started to rotate, the drill bit 32 is driven to rotate, drilling is continued, and pressure is provided for the drill bit 32 through the expansion and contraction of the first hydraulic telescopic rod 22.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (7)
1. A low clearance rotary drilling rig comprises a crawler (1) and is characterized in that a downward pressing drilling mechanism is installed on the crawler (1) and comprises a drill rod (2), a soil lifting mechanism is arranged below the downward pressing drilling mechanism and comprises a protective cylinder (3), the protective cylinder (3) is sleeved on the outer side of the drill rod (2), and a soil pushing mechanism is installed below the crawler (1),
the downward-pressing drilling mechanism comprises a fixed table (4) fixedly installed on the upper surface of a crawler (1), connecting frames (5) are installed on two sides of the upper surface of the fixed table (4), a square frame (6) is arranged on the front side of the crawler (1), the lower end of one side surface of the square frame (6) is hinged with the connecting frames (5), fixing frames (7) are installed on the surfaces of two sides in the square frame (6), guide rods (8) are installed on one sides of the fixing frames (7), a lifting table (9) is arranged on the inner side of the square frame (6), guide holes (10) are formed in two sides of the lifting table (9), the guide holes (10) are sleeved on the guide rods (8), a triangular support frame (11) is arranged on the front side of the square frame (6), a power box (12) is installed on the front side of the triangular support frame (11), guide grooves (13) are formed in two sides in the square frame (6), guide blocks (14) are installed on two sides of the triangular support frame (11), one end of a guide block (14) is positioned in a guide groove (13), first rollers (15) are arranged on two sides of the upper surface of a lifting platform (9), limiting frames (16) are arranged on two sides of the upper surface of a square frame (6), two second rollers (17) are arranged in the limiting frames (16), a first connecting belt (18) is arranged on the rear side of each limiting frame (16), one end of each first connecting belt (18) bypasses one first roller (15) and the two second rollers (17) to be fixedly connected with the upper surface of a power box (12), a third roller (19) is arranged on one side of the lower surface of the lifting platform (9), a fourth roller (20) is arranged on the lower surface of the square frame (6), a second connecting belt (21) is arranged on one side of the upper surface of a fixed platform (4), one end of each second connecting belt (21) bypasses the third roller (19) and the fourth roller (20) to be connected with the lower surface of a triangular support frame (11), a first hydraulic rod (22) is arranged on the inner upper surface of the square frame (6), the lower end of the first hydraulic rod (22) is fixedly connected with the upper surface of the lifting platform (9), two motors (23) are arranged on the surface of one side of the power box (12), a first gear (24) is arranged at the power output end of each motor (23), first reducers (25) are arranged on the two sides of the upper surface of the power box (12), a second gear (26) is arranged at the power input end of each first reducer (25), the second gear (26) is meshed with the first gear (24), a third gear (27) is arranged at the power output end of each first reducer (25), second reducers (28) are arranged on the two sides of the upper surface of the power box (12), a fourth gear (29) is arranged at the power input end of each second reducer (28), the third gears (27) are meshed with the fourth gears (29), the two power input ends of the power box (12) are connected with the power output ends of the two second reducers (28), the power take off end of headstock (12) installs rolling disc (30), and connecting rod (31) are installed to rolling disc (30) lower extreme, and drilling rod (2) upper end is connected with connecting rod (31), and drilling bit (32) are installed to drilling rod (2) lower extreme.
2. The low-clearance rotary drilling rig as claimed in claim 1, wherein the soil lifting mechanism comprises a hydraulic winch (33) fixedly mounted on one side of the lower surface of the rotating disc (30), a connecting hole (34) is formed in the upper end of the casing (3), the casing (3) is sleeved on the outer side of the drill rod (2) through the connecting hole (34), a connecting ring (35) is mounted on one side of the upper surface of the casing (3), one end of a steel wire rope on the hydraulic winch (33) is connected with the connecting ring (35), a plurality of connecting grooves (36) are formed in the drill rod (2), a plurality of positioning plates (37) are mounted at the inner upper end of the casing (3), one ends of the positioning plates (37) extend into the connecting grooves (36), rotating plates (38) are hinged to two sides of the lower end of the casing (3), a shovel claw (39) is mounted on one side of the lower end of the rotating plate (38), a wing plate (40) is hinged to the upper end of the shovel claw (39), a support table (41) is mounted at the lower end of the front side surface of the square frame (6), open on brace table (41) and have quad slit (42), brace table (41) both sides are equipped with axis of rotation (43), first antifriction bearing (44) is installed to axis of rotation (43) one end, first antifriction bearing (44) one end and brace table (41) side surface are connected, be equipped with quad plate (45) in quad slit (42), quad plate (45) one end and axis of rotation (43) fixed connection, open quad plate (45) one side has semicircle orifice (46), semicircle orifice (46) and drilling rod (2) position correspond, rotating gear (47) are installed to axis of rotation (43) one end, second hydraulic stem (48) are installed at square frame (6) rear side surface both ends, lifting rack (49) are installed to flexible end lower extreme of second hydraulic stem (48), lifting rack (49) and rotating gear (47) meshing.
3. The low-headroom rotary drilling rig as claimed in claim 1, wherein the dozing mechanism comprises third hydraulic rods (50) fixedly mounted on two sides of the lower surface of the crawler (1), pushing plates (51) are arranged on two sides of the front of the crawler (1), one side surface of each pushing plate (51) is fixedly connected with the telescopic end of each third hydraulic rod (50), Contraband-shaped frames (52) are arranged below the crawler (1), and two sides of the front end of each Contraband-shaped frame (52) are fixedly connected with the pushing plates (51).
4. The low-clearance rotary drilling rig as claimed in claim 1, wherein connecting columns (53) are installed at two ends of two side surfaces of the crawler (1), a fourth hydraulic rod (54) is installed at one side of each connecting column (53), and a supporting plate (55) is installed at the lower end of each fourth hydraulic rod (54).
5. The low-clearance rotary drilling rig as claimed in claim 1, wherein a first round hole (56) is formed at the lower end of the power box (12), a power output shaft (57) is arranged at the first round hole (56), second rolling bearings (58) are mounted at two ends of the power output shaft (57), the second rolling bearings (58) are fixedly mounted in the power box (12), first transmission shafts (59) are arranged at two sides of the power output shaft (57), third rolling bearings (60) are mounted at two ends of the first transmission shafts (59), the third rolling bearings (60) are fixedly mounted in the power box (12), fifth gears (61) are mounted on the power output shaft (57), sixth gears (62) are mounted at the lower ends of the first transmission shafts (59), the sixth gears (62) are meshed with the fifth gears (61), and seventh gears (63) are mounted at the upper ends of the first transmission shafts (59), first transmission shaft (59) one side is equipped with second transmission shaft (64), fourth antifriction bearing (65) are installed at second transmission shaft (64) both ends, fourth antifriction bearing (65) fixed mounting is in headstock (12), install eighth gear (66) on second transmission shaft (64), eighth gear (66) and seventh gear (63) meshing, ninth gear (67) are installed to second transmission shaft (64) upper end, second round hole (68) have been opened to headstock (12) upper end both sides, the power take off end of second reduction gear (28) passes in second round hole (68) stretches headstock (12), tenth gear (69) are installed to the power take off end of second reduction gear (28), tenth gear (69) and ninth gear (67) meshing.
6. The rotary drilling rig with low clearance as claimed in claim 6, wherein the fifth gear (61), the seventh gear (63) and the ninth gear (67) are large gears, and the sixth gear (62), the eighth gear (66) and the tenth gear (69) are small gears.
7. The low-clearance rotary drilling rig as claimed in claim 1, wherein a gap exists between the pushing plates (51) on the two sides in front of the crawler (1), and the size of the gap is larger than the diameter of the drill rod (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111104328.4A CN113622817B (en) | 2021-09-24 | 2021-09-24 | Low-clearance rotary drilling rig |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111104328.4A CN113622817B (en) | 2021-09-24 | 2021-09-24 | Low-clearance rotary drilling rig |
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| CN113622817A true CN113622817A (en) | 2021-11-09 |
| CN113622817B CN113622817B (en) | 2023-06-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117027669A (en) * | 2023-10-09 | 2023-11-10 | 山西二建集团有限公司 | Dig quick-witted float soil clearance mechanism soon |
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| CN112798330A (en) * | 2021-02-28 | 2021-05-14 | 高永富 | Pavement drilling sampling device |
| CN113027333A (en) * | 2021-04-13 | 2021-06-25 | 武汉市金港岩土工程有限公司 | Drilling and piling integrated rotary drilling rig and construction method thereof |
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| WO1996028630A1 (en) * | 1995-03-15 | 1996-09-19 | Theo Fromme | Hydraulic tubing machine as an attachment for a mobile rotary boring installation |
| CN103470189A (en) * | 2013-08-29 | 2013-12-25 | 北京市三一重机有限公司 | Body-open type drilling bucket and rotary drilling rig |
| CN110847814A (en) * | 2019-11-27 | 2020-02-28 | 邯郸市钻岩工程机械有限公司 | Downward-pressing push type rotary drilling rig |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117027669A (en) * | 2023-10-09 | 2023-11-10 | 山西二建集团有限公司 | Dig quick-witted float soil clearance mechanism soon |
| CN117027669B (en) * | 2023-10-09 | 2023-12-29 | 山西二建集团有限公司 | Dig quick-witted float soil clearance mechanism soon |
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| CN113622817B (en) | 2023-06-20 |
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