CN112627731B - Deep water torrent light-weight standing type intelligent circulating drilling machine and using method thereof - Google Patents
Deep water torrent light-weight standing type intelligent circulating drilling machine and using method thereof Download PDFInfo
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- CN112627731B CN112627731B CN202011617181.4A CN202011617181A CN112627731B CN 112627731 B CN112627731 B CN 112627731B CN 202011617181 A CN202011617181 A CN 202011617181A CN 112627731 B CN112627731 B CN 112627731B
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- 238000005553 drilling Methods 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 239000002002 slurry Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 40
- 230000008569 process Effects 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 5
- 238000010009 beating Methods 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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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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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/66—Mould-pipes or other moulds
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/04—Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
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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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
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Abstract
A deep water torrent light-weight type standing type intelligent circulating drilling machine and a using method thereof relate to the construction of pore-forming of pile foundations in bridge water. The hydraulic clamping device comprises an upper ring, a lower ring, a connecting plate, a base plate and a hydraulic pushing block, wherein the connecting plate is arranged between the upper ring and the lower ring at uniform intervals, the base plate is connected to the top end of the inner side face of the connecting plate, and the hydraulic pushing block is connected to the inner side face of the base plate. The invention solves the problems that in the prior art, a hole forming construction platform needs to be erected in the processes of lowering and inserting and beating the steel casing, the stability is poor, manpower and material resources are consumed, the hole forming quality is uneven, and the construction progress and the construction quality are influenced.
Description
Technical Field
The invention relates to a deepwater torrent light-weight standing type intelligent circulating drilling machine and a using method thereof, belonging to the pore-forming construction of a pile foundation in a bridge water.
Background
The bridge pile foundation is a cylindrical member which goes deep into a soil layer and is mainly used for bearing the load of a pier, a bridge superstructure and a bridge in the using process; the steel casing is a temporary steel casing which has the functions of stabilizing the hole wall, preventing hole collapse, resisting water, guiding a drill bit, fixing the pile position and the like in the process of constructing the pile foundation. However, the steel casing is lowered and inserted under deep water and torrent conditions, and the following difficulties are encountered: (1) the steel casing is placed in deep water, and is difficult to accurately position due to the fact that the length of the cantilever of the steel casing from the water surface clamping fixed end is long; (2) the steel protective cylinder is placed down in the torrent, and can swing left and right in water under the action of water flow, so that the steel protective cylinder is difficult to accurately position; (3) at present, a pore-forming construction platform is usually erected in the process of placing and inserting a steel casing, the platform is huge in structure, large quantities of steel, labor and safe materials are consumed, the stability of the platform is not easy to guarantee under the conditions of deep water and torrent, the platform is required to be processed and placed in sections in deep water, the construction precision is difficult to guarantee, the construction procedures are complicated, the pore-forming quality is good and uneven, and the construction progress and the construction quality are influenced.
Disclosure of Invention
The invention aims to provide a deep-water torrent light-weight standing type intelligent circulating drilling machine and a using method thereof, and solves the problems that in the prior art, a hole forming construction platform needs to be erected in the processes of lowering and inserting and striking a steel casing, the stability is poor, manpower and material resources are consumed, the hole forming quality is good and uneven, and the construction progress and the construction quality are influenced.
In order to realize the purpose, the invention adopts the following technical scheme:
the deep water torrent light-weight type standing intelligent circulating drilling machine comprises a tripod, a hydraulic clamping device connected to the inner side of the bottom end of the tripod, a supporting leg connected to the outer side of the bottom end of the tripod, a guy cable device connected to the top end of the tripod, an overhead traveling crane arranged in the tripod, a motor arranged in the overhead traveling crane and a drill rod connected with the motor, wherein the top end of the drill rod is connected with a drill bit.
The hydraulic clamping device comprises an upper ring, a lower ring, a connecting plate, a base plate and a hydraulic pushing block, wherein the connecting plate is arranged between the upper ring and the lower ring at uniform intervals, the base plate is connected to the top end of the inner side face of the connecting plate, and the hydraulic pushing block is connected to the inner side face of the base plate.
Further preferred technical scheme: the triangular support comprises three rod pieces which are uniformly arranged at intervals along the annular direction, and the rod pieces are of an integral structure and comprise a vertical part, a bent part which is bent inwards along the vertical part and a clamping head part which protrudes inwards along the bottom end of the vertical part; the top ends of the bending parts of the three rod pieces are connected.
Further preferred technical solution: the joint of the three rods is provided with a vertical through hole; the inner side surface of the vertical part is provided with a sliding chute along the long shaft; the inner side of the head part is provided with an L-shaped bayonet.
Further preferred technical solution: the connecting plate is a long plate body, the bottom end of the connecting plate protrudes downwards to form a connecting head, and a connecting hole which is transversely communicated is formed in the connecting head; the top end of the connecting plate is connected with the upper ring, and the lower ring is connected in the connecting hole of the connecting plate in a penetrating manner.
Further preferred technical solution: the supporting legs comprise U-shaped clamping plates, supporting rods connected with the bottom ends of the U-shaped clamping plates and pedals hinged to the bottom ends of the supporting rods; the pedal comprises a circular plate and a pair of hinge lugs connected to the top surface of the circular plate; the pedal is hinged at the bottom end of the support rod through a bolt pin which is penetrated and connected in the pair of hinge lugs.
Further preferred technical solution: the cable device comprises a tray connected to the top end of the tripod, a rope groove connected to one side of the tray in a rotating mode through a supporting rod, and a cable wound on the rope groove.
Further preferred technical solution: the crown block is a triangular crown block and comprises three frame rods which are uniformly arranged at intervals along the annular direction, a bearing block connected to the bottom ends of the frame rods and three sliding rods which are uniformly connected to the vertical surface of the bearing block at intervals along the annular direction; the top ends of the three frame rods are bent inwards and connected.
Further preferred technical solution: the bottom end of the hack lever is bent inwards and is connected to the vertical surface of the bearing block; the center of the bearing block is provided with a vertical through hole.
Further preferred technical solution: the hydraulic clamping device is provided with a steel casing in a clamping way.
A use method of the deep water torrent light-weight standing type intelligent circulating drilling machine comprises the following steps:
step one, a crane is adopted to hoist the circulating drilling machine to the upper part of a steel casing, the steel casing is sleeved in a hydraulic clamping device, a supporting leg at the bottom is extended to tread on the ground of a riverbed, and the circulating drilling machine is adjusted and kept vertical.
And step two, after the circulation drilling machine is adjusted to be vertical to meet the requirement, the hydraulic clamping device is started to clamp the steel casing.
And step three, communicating one end of the slurry sleeve with a sewage discharge outlet of the crown block, and communicating the other end of the slurry sleeve with the slurry tank before the crane lifts.
And fourthly, dragging the power line to the trestle by adopting a line frame device.
And fifthly, adjusting the cable, the crown block and the drill rod of the cable device to be in the same vertical line.
And step six, before the motor is started, releasing the cable of the cable device, and lowering the crown block to enable the drill bit to contact the riverbed soil layer.
And step seven, starting drilling.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
the invention utilizes the advantages of mechanical automation, simplifies the hole forming construction of the underwater pile, adopts a mechanical standing mode to replace platform erection, reduces the manual consumption and the consumption of turnover materials, and is beneficial to the safety management of a construction site.
2, compared with the conventional use method, the rotary pedal is arranged, the vertical angle of the machine body of the circulating drilling machine is adjustable, the deviation of hole forming angles is small, and meanwhile, the machine body and the steel pile casing are clamped and firmly connected, so that the collision between a drill rod and the pile casing can be reduced, and the hole forming quality is higher; therefore, the construction quality is better than that of the conventional construction process.
3, the circulating drilling machine is adopted to carry out the hole forming construction of the underwater pile, a steel casing beating platform is not required to be established, the construction process is simplified, the construction period is shortened, the construction cost is further reduced, and the considerable economic benefit is achieved; meanwhile, labor and material consumption are saved, the construction is convenient and fast, the construction efficiency is high, and the construction quality and safe and civilized construction can be effectively guaranteed.
The method is used in the process of pile hole forming construction in water, is simple and convenient to operate, has high construction quality, is beneficial to shortening the construction period and saving the labor consumption, and can be popularized and applied in the stage of pile casing embedding construction in various deepwater areas.
Drawings
Fig. 1 is a perspective view of the deep water rapid flow lightweight standing type intelligent circulating drilling machine.
Fig. 2 is a schematic structural diagram of the overhead travelling crane of the invention.
Fig. 3 is a schematic view of the hydraulic hair gripping apparatus of the present invention.
Fig. 4 is a schematic view of the cable device of the present invention.
Fig. 5 is a schematic view of a hydraulic propulsion block of the present invention.
Fig. 6 is a schematic diagram of the pedal level state of the present invention.
Fig. 7 is a schematic view of the pedal of the present invention in a post-rotation state.
Reference numerals are as follows: 1-tripod, 2-hydraulic clamping device, 3-landing leg, 4-cable device, 5-overhead traveling crane, 6-motor, 7-drilling rod, 1.1-vertical portion, 1.2-kink, 1.3-card head portion, 2.1-upper ring, 2.2-lower ring, 2.3-connecting plate, 2.4-backing plate, 2.5-hydraulic thrust block, 3.1-U-shaped cardboard, 3.2-branch, 3.3-footboard, 4.1-tray, 4.2-bracing piece, 4.3-rope groove, 4.4-cable, 5.1-hack lever, 5.2-bearing block, 5.3-slide bar.
Detailed Description
The embodiment is shown in figure 1, and the deep water torrent light-weight standing type intelligent circulating drilling machine and the use method thereof are used for the pore-forming construction of the pile foundation in the bridge water.
The deep water torrent light-weight type standing intelligent circulating drilling machine comprises a tripod 1, a hydraulic clamping device 2 connected to the inner side of the bottom end of the tripod 1, a supporting leg 3 connected to the outer side of the bottom end of the tripod 1, a guy cable device 4 connected to the top end of the tripod 1, an overhead traveling crane 5 arranged in the tripod 1, a motor 6 arranged in the overhead traveling crane 5 and a drill rod 7 connected with the motor 6, wherein the top end of the drill rod 7 is connected with a drill bit.
The tripod 1 comprises three rod pieces which are uniformly arranged at intervals along the annular direction, and the rod pieces are of an integral structure and comprise a vertical part 1.1, a bent part 1.2 which is bent inwards along the vertical part and a clamping head part 1.3 which is protruded inwards along the bottom end of the vertical part; the top ends of the bending parts of the three rod pieces are jointed, and the joint is provided with a vertical through hole; the included angle between the vertical part and the bent part is 120-150 degrees, and the optimal included angle is 135 degrees; the inner side surface of the vertical part 1.1 is provided with a sliding chute along the long shaft; the inner side of the head part is provided with an L-shaped bayonet.
Referring to fig. 3, the hydraulic clamping device 2 comprises an upper ring 2.1, a lower ring 2.2, a connecting plate 2.3 arranged between the upper ring and the lower ring at uniform intervals, a backing plate 2.4 connected to the top end of the inner side surface of the connecting plate, and a hydraulic pushing block 2.5 connected to the inner side surface of the backing plate 2.4; as shown in fig. 5, the hydraulic thrust block 2.5 is used to clamp the steel casing 8; the upper and lower circular rings are symmetrically arranged; three connecting plates are arranged; the connecting plate is a long plate body, the bottom end of the connecting plate protrudes downwards to form a connecting head, and a connecting hole which is transversely communicated is formed in the connecting head; the top end of the connecting plate is connected with the upper ring, and the lower ring is connected in a connecting hole of the connecting plate in a penetrating manner; the hydraulic clamping device 2 realizes six-point clamping through three hydraulic pushing blocks 2.5 and connectors of three connecting plates 2.3, and is firmly clamped; the hydraulic pushing block 2.5 is a jack which is arranged in the hydraulic clamping device 2.
The L-shaped bayonet of the clamping head part 1.3 of the tripod 1 is fixedly clamped on the upper ring 2.1 and the connecting plate 2.3 of the hydraulic clamping device 2.
The steel casing 8 is a round tubular structure hooped by iron sheet according to the size of the hole pile; the lowering, inserting and beating construction of the steel casing is an important construction link in the construction process of the underwater pile foundation, and the quality of the lowering, inserting and beating quality of the steel casing directly influences the construction quality of the bridge pile foundation; the steel casing 8 is matched with a circulating drilling machine for use and works in cooperation with the circulating drilling machine.
The steel casing 8 is clamped between the hydraulic thrust blocks 2.5 of the hydraulic clamping device 2.
The supporting legs 3 comprise U-shaped clamping plates 3.1, supporting rods 3.2 connected with the bottom ends of the U-shaped clamping plates and pedals 3.3 hinged to the bottom ends of the supporting rods; the pedal 3.3 comprises a circular plate and a pair of hinge lugs connected to the top surface of the circular plate; the pedal 3.3 is hinged at the bottom end of the support rod 3.2 through a stud which is penetrated and connected in the pair of hinge lugs; referring to fig. 6 and 7, the pedal 3.3 is stepped on the river bed and can support the gravity of a part of the circulating drilling machine, and the pedal 3.3 can rotate along the pin with the ground.
Compared with the conventional use method, the rotary pedal 3.3 is arranged, the vertical angle of the machine body of the circulating drilling machine is adjustable, the deviation of hole forming angles is small, the hole forming verticality can be ensured, and meanwhile, as the machine body is tightly clamped with the steel casing, the connection is stable, the collision between a drill rod and the casing can be reduced, and the hole forming quality is higher; therefore, the construction quality is better than that of the conventional construction process.
The invention uses the steel casing and three legs at the lower part of the tripod as a standing foundation, uses a crane to hoist the circulating drilling machine on the steel casing, and starts construction after the balance of the machine body is adjusted and the fastening machine body is connected with the steel casing.
The top end of the U-shaped clamping plate 3.1 of the supporting leg 3 is clamped and fixed on the clamping head part 1.3 of the tripod 1.
Referring to fig. 4, the guy cable device 4 comprises a tray 4.1 connected to the top end of the tripod 1, a rope groove 4.3 rotatably connected to one side of the tray through a support rod 4.2, and a cable 4.4 wound on the rope groove.
The cable 4.4 of the cable device 4 penetrates through the penetrating hole at the top end connecting part of the bent part of the tripod 1 and penetrates into the tripod 1.
Referring to fig. 2, the crown block 5 is a triangular crown block, and comprises three frame rods 5.1 uniformly arranged along the ring at intervals, a bearing block 5.2 connected to the bottom ends of the frame rods, and three slide bars 5.3 uniformly connected to the vertical surfaces of the bearing block 5.2 along the ring at intervals; the top ends of the three frame rods 5.1 are bent inwards and connected, and the bottom ends of the frame rods 5.1 are bent inwards and connected to the vertical surface of the bearing block 5.2; the frame rods 5.1 and the slide rods 5.3 are arranged in a staggered manner; a vertical through hole is formed in the center of the bearing block 5.2; the triangle type crown block has strong stability.
The top end of the crown block 5 is connected with a cable 4.4 of the cable device 4.
The slide bar 5.3 of the crown block 5 is connected in a sliding groove of the vertical part 1.1 of the tripod 1 in a sliding way.
The motor 6 is used as a power system to provide power for the rotation of the drill rod to drill.
The motor 6 is connected to the top surface of the bearing block 5.2 of the crown block 5.
The rotating rod of the motor 6 passes through a through hole on the bearing block 5.2 of the crown block 5 and is connected with the top end of the drill rod 7.
Before the circulating drilling machine is used, the size of a tripod is selected according to the size of a formed hole, meanwhile, the area of a supporting leg pedal is calculated according to the bearing capacity of a riverbed foundation, so that the weight of a frame body can be borne, the pressure on a steel casing is reduced, and whether a motor serving as a power system is normal or not and the working state of an equipped jack are checked.
The invention is matched with a deep water torrent light-weight automatic intelligent steel casing mechanical positioning device for use, and has the advantages that a piling platform is not required to be established in the construction process, a large amount of steel is saved, and the construction period required by the erection of the steel platform is shortened.
With the continuous promotion of national construction, bridge projects in large-span deep water areas are continuously increased, a larger use market can be provided for the application of the circulating drilling machine, and meanwhile, due to the self superiority of the circulating drilling machine, the circulating drilling machine has larger competitiveness in an expected market, so that the circulating drilling machine has a wide market application prospect.
The invention discloses a use method of a light-weight standing type intelligent circulating drilling machine for deepwater and rapid stream, which comprises the following steps:
firstly, a crane is adopted to hoist the circulating drilling machine to the upper part of a steel protective cylinder 8, the steel protective cylinder 8 is sleeved in a hydraulic clamping device 2, a support leg 3 at the bottom of the extension part is extended to step on the ground of a riverbed, and the circulating drilling machine is adjusted and kept vertical.
And step two, after the circulation drilling machine is adjusted to be vertical to meet the requirements, the hydraulic clamping device 2 is started to clamp the steel casing 8.
And step three, communicating one end of the slurry casing pipe with a sewage discharge water outlet of the crown block 5, and communicating the other end of the slurry casing pipe with the slurry tank before the crane lifts.
And step four, dragging the power line to the trestle by adopting a line frame device.
And step five, adjusting the cable of the cable device 4, the crown block 5 and the drill rod 7 to be in the same vertical line.
And step six, before the motor 6 is started, releasing the cable of the cable device 4, and lowering the crown block 5 to enable the drill bit to contact the riverbed soil layer.
And step seven, starting drilling.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (10)
1. Deep water torrent light-weight type standing intelligent circulation drilling machine is characterized in that: the device comprises a tripod (1), a hydraulic clamping device (2) connected to the inner side of the bottom end of the tripod (1), a supporting leg (3) connected to the outer side of the bottom end of the tripod (1), an inhaul cable device (4) connected to the top end of the tripod (1), an overhead crane (5) arranged in the tripod (1), a motor (6) arranged in the overhead crane (5) and a drill rod (7) connected with the motor (6), wherein the top end of the drill rod (7) is connected with a drill bit;
the hydraulic clamping device (2) comprises an upper ring (2.1), a lower ring (2.2), a connecting plate (2.3) which is arranged between the upper ring and the lower ring at an even interval, a base plate (2.4) connected to the top end of the inner side surface of the connecting plate and a hydraulic propelling block (2.5) connected to the inner side surface of the base plate (2.4).
2. The deep water torrent lightweight standing intelligent circulation drilling rig according to claim 1, wherein: the tripod (1) comprises three rod pieces which are uniformly arranged at intervals along the annular direction, and the rod pieces are of an integral structure and comprise a vertical part (1.1), a bent part (1.2) which is bent inwards along the vertical part and a clamping head part (1.3) which protrudes inwards along the bottom end of the vertical part; the top ends of the bending parts of the three rod pieces are connected.
3. The deep water torrent lightweight standing intelligent circulation drilling rig according to claim 2, wherein: the joint of the three rods is provided with a vertical through hole; the inner side surface of the vertical part (1.1) is provided with a sliding chute along a long shaft; the inner side of the head part is provided with an L-shaped bayonet.
4. The deep water torrent lightweight standing intelligent circulation drilling rig according to claim 3, wherein: the connecting plate is a long plate body, the bottom end of the connecting plate protrudes downwards to form a connecting head, and a connecting hole which is transversely communicated is formed in the connecting head; the top end of the connecting plate is connected with the upper ring, and the lower ring is connected in the connecting hole of the connecting plate in a penetrating manner.
5. The deep water torrent lightweight standing intelligent circulation drilling rig according to claim 1, wherein: the supporting legs (3) comprise U-shaped clamping plates (3.1), supporting rods (3.2) connected with the bottom ends of the U-shaped clamping plates and pedals (3.3) hinged to the bottom ends of the supporting rods; the pedal (3.3) comprises a circular plate and a pair of hinge lugs connected to the top surface of the circular plate; the pedal (3.3) is hinged at the bottom end of the support rod (3.2) through a bolt which is penetrated and connected in the pair of hinge lugs.
6. The deep water torrent lightweight standing intelligent circulation drilling rig according to claim 5, wherein: the inhaul cable device (4) comprises a tray (4.1) connected to the top end of the tripod (1), a rope groove (4.3) rotatably connected to one side of the tray through a supporting rod (4.2), and a cable (4.4) wound on the rope groove.
7. The deep water torrent lightweight standing intelligent circulation drilling rig according to claim 1, wherein: the overhead crane (5) is a triangular overhead crane and comprises three frame rods (5.1) which are uniformly arranged at intervals along the annular direction, a bearing block (5.2) connected to the bottom ends of the frame rods and three slide bars (5.3) which are uniformly connected to the vertical surface of the bearing block (5.2) at intervals along the annular direction; the top ends of the three frame rods (5.1) are bent inwards and connected.
8. The deep water torrent lightweight standing intelligent circulation drilling rig according to claim 7, wherein: the bottom end of the hack lever (5.1) is bent inwards and is connected to the vertical surface of the bearing block (5.2); the center of the bearing block (5.2) is provided with a vertical through hole.
9. The deep water torrent lightweight standing intelligent circulation drilling rig according to claim 1, wherein: the hydraulic clamping device (2) is clamped with a steel casing.
10. The use method of the deepwater rapid-flow lightweight standing type intelligent circulation drilling machine as claimed in any one of claims 1 to 9, is characterized by comprising the following steps:
step one, a crane is adopted to hoist the circulating drilling machine to the upper part of a steel casing, the steel casing is sleeved in a hydraulic clamping device (2), a bottom supporting leg (3) is extended to tread on the ground of a riverbed, and the circulating drilling machine is adjusted and kept vertical;
step two, after the circulation drilling machine is adjusted to be vertical to meet the requirement, a hydraulic clamping device (2) is started to clamp the steel casing;
thirdly, one end of the slurry casing is communicated with a sewage discharge water outlet of the crown block (5), and the other end of the slurry casing is communicated with the slurry tank before the crane lifts;
step four, dragging the power line to the trestle by adopting a line frame device;
fifthly, adjusting the cable of the inhaul cable device (4), the crown block (5) and the drill rod (7) to be in the same vertical line;
before the motor (6) is started, releasing the cable of the cable device (4), and lowering the crown block (5) to enable the drill bit to contact the riverbed soil layer;
and step seven, starting drilling.
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| CN112627731A (en) | 2021-04-09 |
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