CN110259373B - Low headroom rotary drill - Google Patents
Low headroom rotary drill Download PDFInfo
- Publication number
- CN110259373B CN110259373B CN201910645427.XA CN201910645427A CN110259373B CN 110259373 B CN110259373 B CN 110259373B CN 201910645427 A CN201910645427 A CN 201910645427A CN 110259373 B CN110259373 B CN 110259373B
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- stage lifting
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- 238000005553 drilling Methods 0.000 claims abstract description 128
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 15
- 239000002689 soil Substances 0.000 description 7
- 230000007704 transition Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000005527 soil sampling Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to engineering machinery technology, in particular to a low-clearance rotary drilling machine. The drilling machine comprises a drilling machine platform, a lifting assembly, a power head assembly and a chassis, wherein the drilling machine platform is rotatably arranged on the chassis; the lifting assembly comprises a telescopic piece, at least a first-stage lifting piece and a second-stage lifting piece, wherein the telescopic piece is movably arranged on the drilling machine platform and connected with the first-stage lifting piece, and drives the first-stage lifting piece to swing in a plane perpendicular to the drilling machine platform; the second-stage lifting piece is movably mounted on the first-stage lifting piece, the power head assembly is movably mounted on the second-stage lifting piece, the second-stage lifting piece can slide relative to the first-stage lifting piece, and the power head assembly can slide relative to the second-stage lifting piece. The invention has the advantages that: the lifting height of the low-clearance rotary drilling machine is improved by arranging a multi-stage lifting piece.
Description
Technical Field
The invention relates to engineering machinery technology, in particular to a low-clearance rotary drilling machine.
Background
Along with the continuous acceleration of foundation construction in China, more and more construction conditions are carried out under a complex geological environment, in narrow construction spaces such as tunnels, the traditional rotary drilling rig and the full rotary drilling rig are limited by space, the problems of difficult movement of the drilling rig, slow positioning and inconvenient soil taking exist, the perpendicularity of piling is difficult to ensure, and the engineering quality is influenced, so that the construction is carried out in the narrow space by using the low-clearance rotary drilling rig.
In the existing low-clearance rotary drilling machine, the lifting assembly is limited in adjusting range in limited space height due to low height of the low-clearance rotary drilling machine, and the lifting height is often insufficient.
Disclosure of Invention
In order to solve the problems, the invention provides a low clearance rotary drilling machine which has a large adjusting range and can improve the lifting height.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The low-clearance rotary drilling machine comprises a drilling machine platform, a lifting assembly and a power head assembly, wherein the lifting assembly is connected with the drilling machine platform, the power head assembly is installed on the lifting assembly, the rotary drilling machine further comprises a chassis, and the drilling machine platform is rotationally installed on the ground disc; the lifting assembly comprises a telescopic piece, at least a first-stage lifting piece and a second-stage lifting piece, wherein the telescopic piece is movably arranged on the drilling machine platform and is connected with the first-stage lifting piece, the first-stage lifting piece is movably arranged on the drilling machine platform and is perpendicular to the drilling machine platform, and the telescopic piece drives the first-stage lifting piece to swing in a plane perpendicular to the drilling machine platform; the second-stage lifting piece is movably mounted on the first-stage lifting piece, the power head assembly is movably mounted on the second-stage lifting piece, the second-stage lifting piece can slide relative to the first-stage lifting piece, and the power head assembly can slide relative to the second-stage lifting piece.
It can be appreciated that the lifting component adopts multistage lifting, and under the condition that the self height of the low-clearance rotary drilling machine is limited, the lifting height of the low-clearance rotary drilling machine is improved, and the low-clearance rotary drilling machine can adjust the height of the second-stage lifting piece according to the height conditions of different places, so that the lifting component is suitable for the space working conditions of different places.
In one embodiment, a first rotation unit is arranged in the drilling machine platform, the first rotation unit is arranged between the chassis and the drilling machine platform, and the first rotation unit controls the drilling machine platform to rotate relative to the chassis so as to drive the power head and the lifting assembly to rotate.
It can be understood that the drilling machine platform can rotate in all directions through the first rotary unit, operability of the low-clearance rotary drilling machine is improved, pile cores can be accurately aligned in a narrow space conveniently, construction directions can be converted, and the purposes that the low-clearance rotary drilling machine rotates the pile cores and the lifting arm lifts weight are achieved.
In one embodiment, a first oil cylinder and a sliding rail are arranged in the first-stage lifting piece, the second-stage lifting piece is inserted into the first-stage lifting piece and connected with the first oil cylinder, and the second-stage lifting piece slides along the sliding rail under the action of the first oil cylinder.
It can be understood that the second-stage lifting piece slides along the first-stage lifting, so that the maximum lifting height of the power head is changed, the power head can slide on the second-stage lifting piece in a full stroke manner, the height space is fully utilized, the number of successive drilling tools is reduced, and the construction efficiency is increased.
In one embodiment, the second stage lifting member is provided with at least one second oil cylinder therein, and the power head assembly is connected with the second oil cylinder and slides relative to the second stage lifting member under the action of the second oil cylinder.
It is understood that the second cylinder provides power for sliding of the power head assembly on the second stage lifter.
In one embodiment, the number of the second cylinders is plural, and the plural second cylinders are installed in the second stage lifting member and connected end to end.
It can be understood that the number of the second oil cylinders is multiple, enough power is provided for the power head assembly to realize omnibearing sliding on the second-stage lifting piece, the power head can slide in the second-stage lifting piece in a full stroke manner, and the height space is fully utilized.
In one embodiment, the two sides of the chassis are provided with tracks and gear sets, and the tracks are movably connected with the chassis through the gear sets.
It can be understood that the crawler belt realizes the walking function of the low-clearance rotary drilling machine, and is more flexible and convenient for piles.
In one embodiment, the low clearance rotary drilling machine further comprises a lifting arm, a pulley block and a steel wire rope, wherein the lifting arm is movably connected with the steel wire rope and the drilling machine platform through the pulley block respectively, and one end, connected with the steel wire rope, of the lifting arm is installed on the second-stage lifting piece.
It can be understood that the lifting assembly is supported by the crane arm, the steel wire rope is tensioned or loosened by the pulley block, and meanwhile, the drilling machine platform is rotated to a pile center position, so that the functions of disassembling and lifting the drilling tool are completed.
In one embodiment, the chassis is provided with a plurality of supporting legs, the supporting legs are locked on two sides of the chassis along the circumferential direction of the chassis through locking pieces, and the supporting legs are used for leveling the chassis.
It will be appreciated that the legs adjust the chassis to remain level, stabilizing the low clearance rotary drill, and thus maintaining the drill in a vertical position as it is being constructed.
In one embodiment, the lifting assembly further comprises a first adapter and a second adapter, wherein one end of the first-stage lifting member, which is far away from the chassis, is movably connected with the telescopic member through the first adapter, and one end, which is close to the chassis, is movably connected with the drilling machine platform through the second adapter.
It can be understood that, first level lifting piece with the extensible member with change quick-witted platform and pass through first adaptor and second adaptor swing joint, in addition the elasticity of extensible member, so that lifting assembly can carry out every single move motion to carry out horizontal direction propelling movement and vertical direction with the drilling tool and go up and down, and when transporting, through the extensible member will lifting assembly falls down, convenient transportation.
In one embodiment, the power head assembly comprises a power head, a pipeline and a drilling tool, wherein the pipeline is installed on the power head, and the drilling tool is connected with the pipeline.
It will be appreciated that different construction requirements may be met by replacing different drilling tools, such as reverse circulation drills, down-the-hole hammer drills, helical blade drills, steel casing, etc., with the transition disc, and that water, sludge or drilling residue during construction may be drained through the tubing or poured through the tubing as the low clearance rotary drill is being constructed.
Compared with the prior art, the low-clearance rotary drilling machine comprises a chassis, a telescopic piece, at least a first-stage lifting piece and a second-stage lifting piece, wherein the drilling machine platform is rotatably arranged on the chassis, the telescopic piece is used for driving the first-stage lifting piece to swing in a plane perpendicular to the low-clearance rotary drilling machine, the second-stage lifting piece is movably arranged on the first-stage lifting piece, the power head assembly is movably arranged on the second-stage lifting piece, the second-stage lifting piece can slide and operate relative to the first-stage lifting piece, and the power head assembly can slide and operate relative to the second-stage lifting piece, so that the lifting adjustment range is enlarged, and the lifting height is improved.
Drawings
FIG. 1 is a schematic diagram of a low headroom rotary drill provided by the present invention;
FIG. 2 is a schematic diagram of a low headroom rotary drill provided by the present invention with a drilling tool installed;
FIG. 3 is a bottom view of the low headroom rotary drill provided by the present invention;
FIG. 4 is a top view of the structure of the low headroom rotary drill provided by the present invention;
fig. 5 is a schematic structural diagram of the low-clearance rotary drilling machine when being put down for transportation.
The symbols in the drawings are as follows:
100. A low headroom rotary drill; 10. a chassis; 11. a track; 12. a gear set; 12a, driving wheels; 12b, driven wheel; 12c, a thrust wheel; 14. a support leg; 20. a drilling machine platform; 21. a first swing unit; 22. a third adapter; 30. a lifting assembly; 31. a telescoping member; 32. a first stage lifting member; 32a, auxiliary legs; 33. a second stage lifter; 33a, a second oil cylinder; 34. a first adapter; 35. a second adapter; 40. a power head assembly; 41. a power head; 42. drilling tool; 43. a pipeline; 44. a passing disc; 50. a boom; 60. pulley block; 70. a wire rope; 80. and a power control unit.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It will be understood that when an element is referred to as being "mounted" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 5, the low-clearance rotary drilling machine 100 provided by the invention is applied to complex geological environments, such as hard rock stratum perforation or soil cutting in a narrow tunnel, and of course, in other embodiments, the low-clearance rotary drilling machine 100 can also be applied to cast-in-place pile foundation construction of a transmission line iron tower.
Specifically, the low clearance rotary drilling machine 100 includes a chassis 10, a drilling platform 20, a lifting assembly 30 and a power head assembly 40, the drilling platform 20 is rotatably mounted on the chassis 10, the lifting assembly 30 is connected with the drilling platform 20, and the power head assembly 40 is mounted on the lifting assembly 30.
Preferably, in this embodiment, the chassis 10 adopts walking, the chassis 10 is provided with a crawler belt 11 and a gear set 12, and the crawler belt 11 is movably connected with the chassis 10 through the gear set.
The gear set 12 comprises a driving wheel 12a, a driven wheel 12b and a plurality of thrust wheels 12c, wherein the driving wheel 12a, the driven wheel 12b and the thrust wheels 12c are arranged in the crawler belt 11 and are respectively meshed with the crawler belt 11, the driving wheel 12a drives the driven wheel 12b to move through the transmission function of the crawler belt 11, and the thrust wheels 12c support the chassis 10 and roll under the driving of the driving wheel 12a, so that the walking function of the chassis 10 is realized, and the piling work of the low-clearance rotary drilling machine 100 is facilitated, and convenience and rapidness are realized.
Further, the chassis 10 is provided with a plurality of legs 14, the plurality of legs 14 are arranged along the circumferential direction of the chassis 10, and the plurality of legs 14 are mounted on two sides of the chassis 10 through locking members (not shown) for leveling the chassis 10, so as to ensure that the chassis 10 is balanced, and in particular, the stability of the low-clearance rotary drilling machine 100 can be ensured when the power head assembly 40 is pulled out.
Preferably, in this embodiment, the locking members are screws, and the number of the supporting legs 14 is four, and two supporting legs are distributed on two sides of the chassis 10 in a group, however, in other embodiments, other locking members may be used to fix the supporting legs 14, and the number of the supporting legs 14 may be two, six, or other even number, etc. and are uniformly distributed on two sides of the chassis 10.
With continued reference to fig. 1 to 5, the drilling platform 20 includes a first rotation unit 21, one end of the first rotation unit 21 is connected with the chassis 10, the other end is connected with the drilling platform 20, the drilling platform 20 can complete 360 ° omni-directional rotation around the axial direction of the low clearance rotary drilling machine 100 through the first rotation unit 21, especially in a narrow place of construction environment, the drilling platform 20 can be rotated to align the pile core, and the operation is convenient.
Further, the drilling platform 20 further comprises a third adaptor 22, and the drilling platform 20 is rotatably connected with one end of the lifting assembly 30 through the third adaptor 22. In the present embodiment, the third adaptor 22 is a pin, however, in other embodiments, the third adaptor 22 may be another adaptor with the same function.
The lifting assembly 30 comprises a telescopic member 31, at least a first-stage lifting member 32 and a second-stage lifting member 33, one end of the telescopic member 31 is movably connected with the drilling platform 20, the other end of the telescopic member is movably connected with the first-stage lifting member 32, the first-stage lifting member 32 is movably installed on the drilling platform 20 and is perpendicular to the drilling platform 20, and the telescopic member 31 is used for driving the first-stage lifting member 32 to do pitching motion in a plane perpendicular to the low-clearance drilling machine 100. The second stage lifting member 33 is mounted on the first stage lifting member 32 and can slide relative to the first stage lifting member 32, and the power head assembly 40 is mounted on the second stage lifting member 33 and can slide relative to the second stage lifting member 33 under the action of the second stage lifting member 33, so that the applicability of the low-clearance rotary drilling machine 100 is improved. In this embodiment, the lift assembly 30 includes two stages of lifts, i.e., adjustments to different heights of the power head assembly 40 are made. Of course, in other implementations, the lift assembly 30 may include a third or more stage lift, as desired.
The first stage lifting member 32 is internally provided with a first oil cylinder (not shown) and a sliding rail (not shown), the second stage lifting member 33 is inserted into the first stage lifting member 32 and connected with the first oil cylinder, and the second stage lifting member 33 slides along the sliding rail of the first stage lifting member 32 under the drive of the first oil cylinder.
The lifting assembly 30 further comprises a first adapter 34 and a second adapter 35, wherein one end of the first-stage lifting member 32 far away from the drilling platform 20 is in rotary connection with the telescopic member 31 through the first adapter 34, and one end close to the drilling platform 20 is in rotary connection with the drilling platform 20 through the second adapter 35. In this embodiment, the first adapter 34 and the second adapter 35 are pin shafts, however, in other embodiments, the first adapter 34 and the second adapter 35 may be other adapters with the same function.
In this embodiment, the telescopic member 31 is a telescopic cylinder, and the telescopic member 31 is used to realize the in-plane swinging, i.e. pitching or nodding, of the lifting assembly 30 along the plane perpendicular to the low clearance drilling and turning machine 100, so that not only the lifting height of the power head assembly 40 can be increased, but also the first stage lifting member 32 and the second stage lifting member 33 can be laid down, and the transportation is convenient. Of course, in other embodiments, other power devices with the same function may be used for the telescopic member 31.
Preferably, the first stage lifter 32 is provided with auxiliary legs 32a at both sides thereof, the auxiliary legs 32a being locked to both sides of the first stage lifter 32 by locking members for supporting the lifting assembly 30, and the auxiliary legs 32a being used to maintain the lifting assembly 30 stationary when the low headroom rotary drill 100 is pulled, thereby maintaining the low headroom rotary drill 100 stationary.
At least one second cylinder 33a is disposed in the second stage lifter 33, and the power head assembly 40 is connected to the second cylinder 33a and slides on the second stage lifter 33 relative to the second stage lifter 33 using power provided by the second cylinder 33 a.
Preferably, the number of the second cylinders 33a is multiple, and the multiple second cylinders 33a are installed in the second stage lifting member 33 and connected end to end, in this embodiment, two second cylinders 33a are provided, and the installation distance can be effectively reduced and the lifting height can be improved by adopting multiple stages of second cylinders 33 a. Of course, in other embodiments, a single or three or more second cylinders may be provided.
With continued reference to fig. 1 to 5, the power head assembly 40 includes a power head 41, a drilling tool 42 and a pipeline 43, the pipeline 43 is mounted on the power head 41, the power head 41 is detachably connected with the drilling tool 42, the drilling tool 42 is connected with the pipeline 43, and the low clearance rotary drilling machine 100 drives the drilling tool 42 to act so as to complete various constructions, in this embodiment, the drilling tool 42 may adopt a positive and negative rotary drill, a short auger, a steel casing drill, a down-the-hole hammer drill or a double-wheel milling drill, etc., according to different construction requirements, which are not exhaustive herein.
Further, the power head assembly 40 further includes a transition disc 44, the transition disc 44 is disposed between the power head 41 and the drilling tool 42, the power head 41 replaces the drilling tool 42 with the transition disc 43, a gap is disposed between the drilling tool 42 and the transition disc 44, and the gap between the drilling tool 42 and the transition disc 44 and the pipeline 43 form a channel (not shown), through which drill slag is poured or discharged during construction, so that pouring or soil sampling one-step molding is achieved.
Preferably, the power head assembly 40 further includes a second swivel unit (not shown) through which the dial 44 is connected to the power head 41, and the drill 42 is rotated by the second swivel unit to complete cutting of soil or rock.
With continued reference to fig. 1-5, the low clearance rotary drilling machine 100 further includes a boom 50, a pulley block 60, and a wire rope 70, wherein the boom 50 is connected to the drilling platform 20 through the pulley block 60 and the wire rope 70, and one end of the boom 50 is connected to the second stage lifting member 33.
Specifically, the pulley block 60 includes at least two pulleys (not shown), one of which is provided on the boom 50 and the other of which is provided on the rig floor 20, and the rig floor 20 loosens or tightens the boom 50 using the wire rope 70 to implement the low clearance rotary drilling machine 100 at different elevation heights.
Further, the low clearance rotary drilling machine 100 further includes a power control unit 80, the power control unit 80 is mounted on the drilling platform 20, and the power control unit 80 provides power for the telescopic member 31, the first oil cylinder, the second oil cylinder 33a and the like, and controls tightness of the wire rope 70.
In the working engineering, the low clearance rotary drilling machine 100 walks by using the crawler belt 11, performs preliminary positioning on the pile center by rotating the first rotary unit 21, and further adjusts and positions by swinging the telescopic member 31, so that the drilling tool 42 can be accurately aligned with the pile center, and positioning operation in a narrow space is facilitated. During walking, the legs 14 are adjusted to keep the chassis 10 horizontal, thereby keeping the low clearance rotary drilling machine 100 horizontal and further ensuring that the drilling tool 42 is in a vertical position when performing work. The power control unit 80 controls the telescopic member 31, the first cylinder and the second cylinder 33a according to the height of the working environment, thereby adjusting the height of the elevation assembly 30. According to the working environment, a proper drilling tool 42 is selected and connected with the power head 41, the second rotary unit drives the drilling tool 42 to rotate to cut soil or rock, the cut drilling slag or soil is discharged through a pipeline 43, and after cutting and forming, the power head assembly 40 is pressed down or lifted up through the second oil cylinder 33a to continue construction. When the drilling tool 42 is completely penetrated into the soil, the boom 50 lifts another drilling tool 42, and drives the boom 50 to rotate to the drilling position through the first swing unit 21, and the second drilling tool 42 is driven into the soil, and the above description is repeated in sequence until the designed pile hole depth is reached. The boom 50 lifts the drilling tool 42 in the drilling hole, and drives the boom 50 to rotate through the first swing unit 21, lifts the drilling tool 42 to a position far away from the drilling hole, completes the pulling-out of the drilling tool 42, and finally completes the pile foundation construction, and is supported through the auxiliary supporting leg 32a in the pulling-out process so as to keep the low-clearance swing drilling machine 100 stable.
When the low clearance rotary drilling machine 100 is transported, the telescopic part 31 is used for telescopic, and meanwhile, the wire rope 70 is loosened to lay down the lifting assembly 30 and the lifting arm 50, so that the overall height and length of the low clearance rotary drilling machine 100 are reduced, and the low clearance rotary drilling machine 100 is convenient to transport, and particularly, please refer to fig. 5.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (7)
1. The utility model provides a low headroom slewing drilling machine, includes drilling platform, lifting unit and unit head subassembly, lifting unit with drilling platform connects, the unit head subassembly is installed on the lifting unit, its characterized in that:
the rotary drilling machine further comprises a chassis, and the drilling machine platform is rotatably arranged on the chassis;
The lifting assembly comprises a telescopic piece, at least a first-stage lifting piece and a second-stage lifting piece, wherein the telescopic piece is movably arranged on the drilling machine platform and is connected with the first-stage lifting piece, the first-stage lifting piece is movably arranged on the drilling machine platform and is perpendicular to the drilling machine platform, and the telescopic piece drives the first-stage lifting piece to swing in a plane perpendicular to the drilling machine platform;
the second-stage lifting piece is movably arranged on the first-stage lifting piece, the power head assembly is movably arranged on the second-stage lifting piece, the second-stage lifting piece can slide relative to the first-stage lifting piece, and the power head assembly can slide relative to the second-stage lifting piece;
The first-stage lifting piece is internally provided with a first oil cylinder and a sliding rail, the second-stage lifting piece is inserted into the first-stage lifting piece and is connected with the first oil cylinder, and the second-stage lifting piece slides along the sliding rail under the action of the first oil cylinder;
at least one second oil cylinder is arranged in the second-stage lifting piece, and the power head assembly is connected with the second oil cylinder and slides relative to the second-stage lifting piece under the action of the power head assembly;
The lifting assembly further comprises a first adapter and a second adapter, wherein one end of the first-stage lifting piece, which is far away from the chassis, is movably connected with the telescopic piece through the first adapter, and one end, which is close to the chassis, is movably connected with the drilling machine platform through the second adapter.
2. The low headroom rotary drill of claim 1, wherein: the drilling machine platform is internally provided with a first rotary unit, the first rotary unit is arranged between the chassis and the drilling machine platform, and the first rotary unit controls the drilling machine platform to rotate relative to the chassis.
3. The low headroom rotary drill of claim 1, wherein: the number of the second oil cylinders is multiple, and the second oil cylinders are arranged in the second-stage lifting piece and connected end to end.
4. The low headroom rotary drill of claim 1, wherein: the two sides of the chassis are provided with a crawler belt and a gear set, and the crawler belt is movably connected with the chassis through the gear set.
5. The low headroom rotary drill of claim 1, wherein: the low-clearance rotary drilling machine further comprises a lifting arm, a pulley block and a steel wire rope, wherein the lifting arm, the steel wire rope and the drilling machine platform are movably connected through the pulley block respectively, and one end, connected with the steel wire rope, of the lifting arm is installed on the second-stage lifting piece.
6. The low headroom rotary drill of claim 1, wherein: the chassis is provided with a plurality of supporting legs, the supporting legs are locked on two sides of the chassis along the circumferential direction of the chassis through locking pieces, and the supporting legs are used for leveling the chassis.
7. The low headroom rotary drill of claim 1, wherein: the power head assembly comprises a power head, a pipeline and a drilling tool, wherein the pipeline is arranged on the power head, and the drilling tool is connected with the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910645427.XA CN110259373B (en) | 2019-07-17 | 2019-07-17 | Low headroom rotary drill |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910645427.XA CN110259373B (en) | 2019-07-17 | 2019-07-17 | Low headroom rotary drill |
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| CN110259373A CN110259373A (en) | 2019-09-20 |
| CN110259373B true CN110259373B (en) | 2024-06-11 |
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| CN111101853B (en) * | 2019-12-31 | 2021-05-11 | 中铁二十四局集团有限公司 | Low-clearance sleeve rotary excavating system and method |
| CN117432335B (en) * | 2023-12-19 | 2024-03-12 | 中交二公局东萌工程有限公司 | Rock tunnel drilling machine with guide structure |
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| CN108049809A (en) * | 2017-12-11 | 2018-05-18 | 山东大学 | A kind of crawler-type lifting platform hydraulic drilling machine and its method of work |
| CN210509024U (en) * | 2019-07-17 | 2020-05-12 | 徐州盾安建筑工程机械制造有限公司 | Low clearance rotary drilling machine |
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| WO1995029311A1 (en) * | 1994-04-22 | 1995-11-02 | Sico Incorporated | Lift apparatus |
| CN102278110A (en) * | 2011-04-25 | 2011-12-14 | 马晓山 | Movable two-arm of lifting platform hanging wall anchor rod and anchor cable construction drill carriage |
| CN108049809A (en) * | 2017-12-11 | 2018-05-18 | 山东大学 | A kind of crawler-type lifting platform hydraulic drilling machine and its method of work |
| CN210509024U (en) * | 2019-07-17 | 2020-05-12 | 徐州盾安建筑工程机械制造有限公司 | Low clearance rotary drilling machine |
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