CN107762404B - Rotary displacement type low-clearance drilling machine for underground engineering hole pile construction - Google Patents

Rotary displacement type low-clearance drilling machine for underground engineering hole pile construction Download PDF

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Publication number
CN107762404B
CN107762404B CN201610699859.5A CN201610699859A CN107762404B CN 107762404 B CN107762404 B CN 107762404B CN 201610699859 A CN201610699859 A CN 201610699859A CN 107762404 B CN107762404 B CN 107762404B
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upright post
portal frame
drill bit
drill rod
short sleeve
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CN201610699859.5A
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CN107762404A (en
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萧守让
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Luoyang Wu Xuan Heavy Industry Machinery Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/02Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00Supports for the drilling machine, e.g. derricks or masts
    • E21B15/003Supports 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00Rotary drilling
    • E21B3/02Surface drives for rotary drilling

Abstract

A rotary displacement type low-clearance drilling machine for underground engineering hole pile construction comprises a travelling mechanism and a drilling mechanism connected with the travelling mechanism, wherein the drilling mechanism comprises a portal frame, a telescopic drill rod, a power head, a drill bit, a sliding block, a short sleeve and a locking mechanism, the upper end of the telescopic drill rod is sleeved in the power head, the power head is fixedly connected to the lower part of the short sleeve and drives the telescopic drill rod to rotate, and the short sleeve is hinged to a first upright post of the portal frame; the drill bit is detachably connected with the sliding block, and the sliding block is matched with the second upright post of the portal frame to realize vertical sliding; and the first upright post is provided with a locking mechanism for limiting the short sleeve to shake. The rotary displacement type low-clearance drilling machine disclosed by the invention has the advantages that under the state that the height is limited, the space height is vacated by forward rotation or backward rotation of the telescopic drill rod around the portal frame upright column, so that the drill bit can leave the ground, the soil taking and discharging are realized, and the drilling depth is more than 30 meters and the drilling diameter is within 0.5-2 meters in the limited underground height.

Description

Rotary displacement type low-clearance drilling machine for underground engineering hole pile construction
Technical Field
The invention belongs to the field of underground engineering construction such as rail transit construction, tunnel construction, urban pipe gallery construction and the like, and particularly relates to a rotary displacement type low-clearance drilling machine for underground engineering pile foundation hole forming.
Background
There is a very big difficult problem during underground works construction such as current track traffic, subway construction, construction in the tunnel, city piping lane construction: and (4) hole pile construction, namely piling the pile in the hole to the underground. The domestic piling industry does not have a drilling machine which can be used for downwards piling piles in the hole, and the key obstacle is the limitation of height. The construction of the domestic hole piles is generally required to be less than 4.5 meters in height, the depth of the piles needs to be 20-30 meters, and the diameter of the piles needs to be 1-1.8 meters. The design ideas of the drilling machine which is currently pushed abroad are limited, and the requirements of domestic underground engineering on the pile diameter and the pile depth cannot be met, for example, two drilling machines which are pushed by Italian Meert company have the height of 5.4 meters, the drilling depth of only 16 meters and the drilling diameter of only 0.8 meter; the other type has the height of 3.8 meters, the drilling depth of only 12 meters and the drilling diameter of only 0.6 meter, and the two types of drilling machines are expensive and can reach millions of RMB.
In view of the above, the inventor of the present invention develops a novel rotary displacement type low clearance drilling machine based on years of practical experience and professional knowledge and by matching with application of theories, and can meet the requirement of the current underground engineering pile foundation hole forming.
Disclosure of Invention
The invention aims to provide a rotary displacement type low-clearance drilling machine, which aims to solve the technical problem that the downward drilling depth reaches more than 30 meters and the drilling diameter reaches 0.5 to 2 meters under the height limit of 4.5 meters underground or under the low-clearance state of bridges, houses and the like, thereby being more suitable for practical use.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. According to the rotary displacement type low-clearance drilling machine provided by the invention, the rotary displacement type low-clearance drilling machine comprises a travelling mechanism and a drilling mechanism 1 connected with the travelling mechanism, wherein the drilling mechanism 1 comprises a portal frame 11, a telescopic drill rod 12, a power head 13, a drill bit 14, a slide block 15, a locking mechanism 16 and a short sleeve 17, the upper end of the telescopic drill rod 12 is sleeved in the power head 13, the power head 13 is fixedly connected to the lower part of the short sleeve 17 and drives the telescopic drill rod 12 to rotate, and the short sleeve 17 is hinged with a first upright column 111 of the portal frame 11; the drill bit 14 is detachably connected with the sliding block 15, and the sliding block 15 is matched with the second upright post 112 of the portal frame 11 to realize vertical sliding; the first upright post 111 is provided with a locking mechanism 16 for limiting the shaking of the short sleeve 17.
The purpose of the invention and the technical problem to be solved are further realized by adopting the following technical scheme.
In the rotary displacement type low-clearance drilling machine, the travelling mechanism is in a wheel type, a crawler type or a walking type.
Aforementioned rotation displacement formula low headroom rig, unit head 13 is connected with the power station on the running gear through the pipeline, and drive unit head 13 carries out forward and reverse rotation.
In the aforementioned rotary displacement type low clearance drilling machine, the first column 111 is a left column of the gantry 11, and the second column 112 is a right column of the gantry 11.
In the aforementioned rotary displacement type low clearance drilling machine, the first column 111 is a right column of the gantry 11, and the second column 112 is a left column of the gantry 11.
In the rotary displacement type low-clearance drilling machine, when the drill bit 14 slides downwards to the lower part of the second upright post 112 through the slide block 15, the short sleeve 17 drives the power head 13 and the telescopic drill rod 12 to rotate around the first upright post 111 to the position above the drill bit 14, the short sleeve 17 is limited through the locking mechanism 16, and the lower end of the inner tube of the telescopic drill rod 12 is detachably connected with the drill bit 14; the slider 15 is disconnected from the drill bit 14.
By means of the technical scheme, the rotary displacement type low-clearance drilling machine vacates the space height by forward rotation or backward rotation of the telescopic drill rod around the portal frame upright column under the state of limited height, so that the drill bit can leave the ground, soil taking and discharging are realized, and the drilling depth is more than 30 meters and the drilling diameter is 0.5-2 meters in the limited underground height.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1A is a drilling schematic of the rotary displacement low clearance drilling rig of the present invention.
Fig. 1B to 1C are schematic earth-discharging diagrams of the rotary displacement type low clearance drilling machine of the present invention.
A, ground 1: drilling mechanism
11: gantry 111: first upright 112: second upright post
12: the telescopic drill rod 13: power head
14: the drill bit 15: sliding block
16: the locking mechanism 17: short sleeve
18: hinge assembly
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects of the rotary displacement type low clearance drilling machine according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1, the rotary displacement type low-clearance drilling machine of the present invention includes a traveling mechanism (not shown), and a drilling mechanism 1 connected to the traveling mechanism, wherein the drilling mechanism 1 includes a gantry 11, a telescopic drill rod 12, a power head 13, a drill bit 14, a slider 15, a locking mechanism 16, and a short sleeve 17, the upper end of the telescopic drill rod 12 is sleeved in the power head 13, the power head 13 is fixedly connected to the lower portion of the short sleeve 17 and drives the telescopic drill rod 12 to rotate, and the short sleeve 17 is hinged to a first upright 111 of the gantry 11; the drill bit 14 is detachably connected with the sliding block 15, and the sliding block 15 is matched with the second upright post 112 of the portal frame 11 to realize vertical sliding; the first upright 111 is provided with a locking mechanism 16.
Further, the traveling mechanism is of a wheel type or a crawler type or a walking type, but the present invention is not limited thereto, and the user may select other ways according to geological conditions.
Further, the short sleeve 17 is hinged to the first upright 111 by means of a hinge 18. Under the conditions of mechanical driving, hydraulic driving or manual driving, the short sleeve 17 drives the power head 13 and the telescopic drill rod 12 to rotate forwards or backwards around the first upright column 111.
Further, when the drill bit 14 slides downwards to the lower portion of the second upright post 112 through the slider 15, the short sleeve 17 drives the telescopic drill rod 12 and the power head 13 to rotate to the position above the drill bit 14 around the first upright post 111, and the short sleeve 17 is limited and fixed by the locking mechanism 16, so that the telescopic drill rod 12 cannot shake, and the drill bit 14 is guaranteed to stably drill downwards.
Specifically, the locking mechanism 16 is detachably connected to the hinge 18 via a pin. Before drilling, fixedly connecting the locking mechanism 16 and the hinge 18 through a pin shaft to limit the telescopic drill rod 12 to swing; when the soil is unloaded, the pin shaft is pulled out to separate the locking mechanism 16 from the hinge 18, and the short sleeve 17 drives the power head 13 and the telescopic drill rod 12 to rotate around the first upright post.
Specifically, the first column 111 is a left column of the gantry 11, the telescopic drill rod 12 is located in front of (or behind) the left column, and the second column 112 is a right column of the gantry 11. When the drill bit 14 slides down to the lower part of the right upright post of the portal frame 11 under the assistance of the slide block 15 and is immersed into a hole dug in advance, the short sleeve 17 drives the power head 13 and the telescopic drill rod 12 to rotate backwards (or rotate forwards) to the position above the drill bit 14 around the left upright post, the short sleeve 17 is limited by the locking mechanism 16, the lower end of the inner tube of the telescopic drill rod 12 is detachably connected with the upper end of the drill bit 14, the drill bit 14 is disconnected with the slide block 15, and the power head 13 is started to drill.
Specifically, the first column 111 is a right column of the gantry 11, the telescopic drill rod 12 is located in front of (or behind) the right column, and the second column 112 is a left column of the gantry 11. When the drill bit 14 slides down to the lower part of the left upright of the portal frame 11 under the assistance of the slide block 15 and is immersed into a hole dug in advance, the short sleeve 17 drives the power head 13 and the telescopic drill rod 12 to rotate backwards (or rotate forwards) to the position above the drill bit 14 around the left upright, the short sleeve 17 is limited by the locking mechanism 16, the lower end of the inner tube of the telescopic drill rod 12 is detachably connected with the upper end of the drill bit 14, the drill bit 14 is disconnected with the slide block 15, and the power head 13 is started to drill.
Further, the drill 14 may be a hole expanding drill or a rotary drilling drill, but the present invention is not limited thereto, and the user may select other drill according to geological conditions.
Further, the power head 13 is connected to a power station on the traveling mechanism through a pipeline to drive the power head 13 to rotate in forward and reverse directions, which may be hydraulic drive, pneumatic drive, or mechanical drive, but the invention is not limited thereto.
The working principle of the rotary displacement type low-clearance drilling machine is as follows:
firstly, the drilling machine is driven to a construction area by a traveling mechanism, the drilling mechanism 1 is assembled according to geographical conditions and hole forming positions, the drill bit 14 is arranged on an upright post of the portal frame 11 in a sliding mode through the sliding block 15, the short sleeve 17 is hinged to the other upright post of the portal frame 11, and the telescopic drill rod 22 is located in front of (or behind) the portal frame 11. Then, a hole with the height close to that of the drill bit 14 is dug in advance, the drill bit 14 slides downwards along an upright post of the portal frame 11 under the assistance of the sliding block 15 and is immersed into the dug hole, the short sleeve 17 drives the power head 13 and the telescopic drill rod 12 to rotate backwards (or rotate forwards) around the other upright post of the portal frame 11 to the position above the drill bit 14, the short sleeve 17 is limited by the locking mechanism 16, the lower end of an inner tube of the telescopic drill rod 12 is connected with the upper end of the drill bit 14, then the drill bit 14 is disconnected from the sliding block 15, and the sliding block 15 slides upwards to the initial position. And then the power head 13 is started, and the telescopic drill rod 12 and the drill bit 14 rotate to drill deeper.
When the soil is unloaded, the drill bit 14 is only required to be lifted to be close to the ground A, the drill bit 14 and the sliding block 15 are connected firstly, then the lower end of the inner pipe of the telescopic drill rod 12 is disconnected with the drill bit 14, the locking mechanism 16 is disconnected, the short sleeve 17 drives the telescopic drill rod 12 to rotate forwards (or backwards) to a non-pile hole area to form a space for the drill bit 14, and the drill bit 14 slides upwards to the ground A along the second upright post 112 through the sliding block 15 to unload the soil. After the soil unloading is finished, the drill bit 14 slides downwards to the pile hole through the sliding block 15 along the second upright post 112, the short sleeve 17 drives the telescopic drill rod 12 to rotate backwards (or rotate forwards) to the area of the pile hole, the short sleeve 17 is limited through the locking mechanism 16, the lower end of the inner pipe of the telescopic drill rod 12 is connected with the drill bit 14, the drill bit 14 is disconnected from the sliding block 15, and the power head 13 is started to drill continuously.
The rotary displacement type low-clearance drilling machine provided by the invention is successfully applied to underground engineering construction of multiple cities such as the sixteen-gauge line of Beijing subway, the drilling depth can reach more than 30 meters, the drilling hole can reach more than 0.5 meter and less than 2 meters, and the rotary displacement type low-clearance drilling machine is suitable for the market demands at home and abroad.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and it will be apparent to those skilled in the art that modifications made by the present invention using the contents of the description and the drawings are included in the scope of the present invention.

Claims (5)

1. Underground engineering hole stake construction is with low headroom of rotary displacement formula rig, its characterized in that: the drilling mechanism (1) is connected with the traveling mechanism, the drilling mechanism (1) comprises a portal frame (11), a telescopic drill rod (12), a power head (13), a drill bit (14), a sliding block (15), a locking mechanism (16) and a short sleeve (17), the upper end of the telescopic drill rod (12) is sleeved in the power head (13), the power head (13) is fixedly connected to the lower portion of the short sleeve (17) and drives the telescopic drill rod (12) to rotate, and the short sleeve (17) is hinged to a first upright post (111) of the portal frame (11); the drill bit (14) is detachably connected with the sliding block (15), and the sliding block (15) is matched with the second upright post (112) of the portal frame (11) to realize vertical sliding; the first upright post (111) is provided with a locking mechanism (16) for limiting the shaking of the short sleeve (17);
before drilling operation, the telescopic drill rod is positioned in front of or behind the portal frame, and a hole is dug in advance; during drilling operation, the drill bit (14) slides downwards along the second upright post of the portal frame under the assistance of the slide block (15) and is submerged into the hole; then the telescopic drill rod (12) is driven by the short sleeve (17) to rotate around the first upright post of the portal frame to the position above the drill bit, and the rear short sleeve is limited by the locking mechanism; then the lower end of the inner pipe of the telescopic drill rod is detachably connected with the drill bit, and the drill bit is disconnected with the sliding block; then starting the power head (13), and driving the drill bit to continue drilling through the telescopic drill rod;
during the soil unloading operation, the drill bit (14) is lifted to be close to the ground (A); then, connecting the drill bit with the sliding block, and disconnecting the lower end of the inner pipe of the telescopic drill rod with the drill bit; then the locking mechanism is disconnected, and the telescopic drill rod is driven by the short sleeve to rotate around the first upright post of the portal frame in the reverse direction to a non-pile hole area; and then the drill bit slides to the ground (A) along a second upright post of the portal frame under the assistance of the slide block to unload soil.
2. The rotary displacement type low-clearance drilling machine for underground engineering hole pile construction according to claim 1, wherein: the walking mechanism adopts a wheel type, a crawler type or a walking type.
3. The rotary displacement type low-clearance drilling machine for underground engineering hole pile construction according to claim 1, wherein: the power head (13) is connected with a power station on the traveling mechanism through a pipeline and drives the power head (13) to rotate forward and backward.
4. The rotary displacement type low-clearance drilling machine for underground engineering hole pile construction according to claim 1, wherein: the first upright post (111) is a left upright post of the portal frame (11), and the second upright post (112) is a right upright post of the portal frame (11).
5. The rotary displacement type low-clearance drilling machine for underground engineering hole pile construction according to claim 1, wherein: the first upright post (111) is a right upright post of the portal frame (11), and the second upright post (112) is a left upright post of the portal frame (11).
CN201610699859.5A 2016-08-22 2016-08-22 Rotary displacement type low-clearance drilling machine for underground engineering hole pile construction Active CN107762404B (en)

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Application Number Priority Date Filing Date Title
CN201610699859.5A CN107762404B (en) 2016-08-22 2016-08-22 Rotary displacement type low-clearance drilling machine for underground engineering hole pile construction

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Application Number Priority Date Filing Date Title
CN201610699859.5A CN107762404B (en) 2016-08-22 2016-08-22 Rotary displacement type low-clearance drilling machine for underground engineering hole pile construction

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CN107762404B true CN107762404B (en) 2020-02-28

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7900003A (en) * 1979-01-02 1980-05-30 Poot Simon Earth drill fitment on tractor chassis - is via vertical column on which frame moves vertically or transverse, frame having laterally projecting horizontal feet
CN102900360A (en) * 2011-07-28 2013-01-30 华北电网有限公司 Combined type digging and drilling machine
CN203685019U (en) * 2013-12-14 2014-07-02 河南省三力机械制造有限公司 Long spiral drilling machine
CN203742441U (en) * 2014-01-20 2014-07-30 龙工(上海)机械制造有限公司 Rotary drilling jig with changeable mast
CN104929516A (en) * 2015-06-24 2015-09-23 赵现红 Horizontal moving type rock drilling static blasting machine
CN205025388U (en) * 2015-10-12 2016-02-10 武汉市天宝工程机械有限责任公司 Take dark stake stirring rig of disconnect drilling rod device
CN105625940A (en) * 2015-04-10 2016-06-01 重庆宏工工程机械有限责任公司 Drilling and piling integrated machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7900003A (en) * 1979-01-02 1980-05-30 Poot Simon Earth drill fitment on tractor chassis - is via vertical column on which frame moves vertically or transverse, frame having laterally projecting horizontal feet
CN102900360A (en) * 2011-07-28 2013-01-30 华北电网有限公司 Combined type digging and drilling machine
CN203685019U (en) * 2013-12-14 2014-07-02 河南省三力机械制造有限公司 Long spiral drilling machine
CN203742441U (en) * 2014-01-20 2014-07-30 龙工(上海)机械制造有限公司 Rotary drilling jig with changeable mast
CN105625940A (en) * 2015-04-10 2016-06-01 重庆宏工工程机械有限责任公司 Drilling and piling integrated machine
CN104929516A (en) * 2015-06-24 2015-09-23 赵现红 Horizontal moving type rock drilling static blasting machine
CN205025388U (en) * 2015-10-12 2016-02-10 武汉市天宝工程机械有限责任公司 Take dark stake stirring rig of disconnect drilling rod device

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Effective date of registration: 20200901

Address after: Unit 1806, unit 3, building 1, yard A2, Xiaotun Road, Fengtai District, Beijing 100040

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