CN100485156C - Multiple shaft drilling machine and its construction method - Google Patents

Multiple shaft drilling machine and its construction method Download PDF

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Publication number
CN100485156C
CN100485156C CNB2004100839130A CN200410083913A CN100485156C CN 100485156 C CN100485156 C CN 100485156C CN B2004100839130 A CNB2004100839130 A CN B2004100839130A CN 200410083913 A CN200410083913 A CN 200410083913A CN 100485156 C CN100485156 C CN 100485156C
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wall
drill
drilling
drilling tool
cement
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CN1587631A (en
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钱奂云
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Hunan Sunward Intelligent Machinery Co Ltd
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Hunan Sunward Intelligent Machinery Co Ltd
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Abstract

The invention relates to a kindof rig with several axles and its construction method used in the civil construction and other proejcts to drill and pare the strata and construct the underground continuous wall of the same thickness. The rig mainly includes the supporting machine that could walk on the ground, the power head of the rig with framework, driving device and complex power-exerting axis, and the drilling tool consists of a set of drilling rod, shaft coupling and leading device. Its characteristics lays in that on one of the drilling rod of the stated drilling tool establishes rotating cutting-paring device of complex number which is composed of base seat, mandrel and cutting gyro wheel that nicludes the majority of the cutting end. Its principle of rolling cutting is reasonable, its structure is simple, processing and manufacturing cost is low, and it is convenient to maintain.

Description

Multiple-drill press and job practices thereof
Technical field the present invention relates to a kind of in engineerings such as civil construction drilling stratum, the multiple-drill press of constructing the uniform thickness diaphragm wall and job practices thereof.
Background technology is present, be one of known technology of people, be a kind of technology of using multiple-drill press to construct colonnade formula diaphragm wall: it is the multiple-drill press by special use, drive one group of drilling rod, the segmentation formation drilling promotes go back to ground to certain depth, in the process of one group of rod boring or lifting, can inject cement paste to soil from the drill bit end, with stirred by the loose mixing with soil of bit drills, be built into one section cement-soil body of wall; And then carry out the construction of next section cement-soil body of wall, and make the two neighboring sections body of wall that certain coincidence overlap joint be arranged each other; Repeat above-mentioned construction, can be built into a underground water earth body of wall; Before the cement-soil body of wall solidifies, can insert the intensity that shaped steel improves body of wall, after the cement-soil body of wall solidifies, just caused the diaphragm wall of a colonnade formula.
The major defect that the technology of using above-mentioned multiple-drill press to construct colonnade formula diaphragm wall exists is: the body of wall that causes is non-uniform thickness, is cucurbit string shape (referring to Fig. 6), variable thickness, and intensity is inhomogeneous; When particularly using as impervious wall, percolating water phenomenon takes place in the sharp corner of body of wall easily; And arrangement and the quantity of inserting shaped steel also are restricted.
For overcoming the shortcoming of above-mentioned technology, Japan Patent (spy opens flat 6-235219) discloses a kind of multiple-drill press, be characterized in drilling rod and with the axis of rotation of its axis normal on be provided with a pair of intermeshing helical gear, on axis of rotation, also be provided with a cutting cutterhead; When drilling rod rotated, the power by helical gear transmission drilling rod drove the bite disc spins by axis of rotation, and the wedge angle part that can scabble the continuous body of wall of colonnade formula makes the thickness of wall body unanimity.But this technology still exists following deficiency and shortcoming:
1, adopts helical gear drive, with roller bearings, also need to need lubricated and sealing etc., complex structure, processing and manufacturing cost height.
2, when drilling rod during in underground drilling, seal is easy to wear, and the sand contamination of muddy water soil causes transmission device to damage after going into the gear drive position easily, influences normal construction, and the maintenance and repair workload is big.
3, since the helical gear drive complex structure to occupy the space big, when drilling rod during in underground drilling, it is moving that this position hinders native sand flow, the resistance when increasing drilling reduces operating efficiency.
Summary of the invention the object of the present invention is to provide a kind of multiple-drill press and the job practices thereof that can construct the uniform thickness diaphragm wall; This multiple-drill press such as constructs at simple in structure, the low cost of manufacture, easy to maintenance of topping machanism of thick wall body; Its construction technology is simple, construction quality good, efficient is high.
The objective of the invention is to realize by following technical proposals:
A kind of multiple-drill press mainly comprises: support machine, drill power head and drilling tool.
Above-mentioned support machine is mainly by the base of traveling on the ground, and the column, elevator unit, operating room and the haulage cable that are arranged on the base constitute.
Above-mentioned drill power head is mainly by frame movably, is arranged on the frame and the drive unit that contains prime mover, reductor and plural force-output shaft constitutes; Drill power head hangs on the column of support machine by haulage cable, and can move up and down.
Above-mentioned drilling tool mainly is made of one group of drilling rod, shaft coupling, shaft coupling seat and guiding device; Described drilling rod is made up of hollow extension bar, hollow helical stir bar and the drill bit that has a jet, and drilling rod links by the force-output shaft of shaft coupling and drill power head.
It is characterized in that: also be provided with the rolling topping machanism of plural number on one group of drilling rod of described drilling tool, the rolling topping machanism is by the axle that is fixed on bearing on the shaft coupling seat, is supported by bearing and places the cutting roller on the axle to constitute rotationally; The cutting roller is provided with most cutter tips.
Use above-mentioned multiple-drill press to construct uniform thickness construction of continuous concrete wall method, have following steps:
The multiple-drill press traveling is to construction location, drill power head drives the drilling rod rotation of drilling tool, and downward drilling stratum, the rolling topping machanism also moves down thereupon, the wedge angle of the body of wall remnants of cutting roller after with the drill bit drilling partly scabbles, after reaching desired depth, drill power head and drilling tool lifting go back to ground; Above-mentioned creep into lifting process in, to soil, inject cement paste by hollow drill from the drill bit end, after being stirred, be built into one section cement-soil body of wall by the loose mixing with soil of bit drills; The construction of next section cement-soil body of wall is carried out in the multiple-drill press shift position, and makes the two neighboring sections body of wall that certain coincidence overlap joint be arranged each other; Repeat above step, can be built into the underground water earth body of wall of a uniform thickness, before the cement-soil body of wall solidifies, can insert the intensity that shaped steel improves body of wall, after the cement-soil body of wall solidifies, just caused the diaphragm wall (referring to Fig. 7) of a uniform thickness.
The rolling cutting of rolling topping machanism is to realize with process as follows: when the rolling topping machanism moves down with drilling rod, the remaining wedge angle part of body of wall produces a counter-force F to it, owing between cutting roller center 0 and the counter-force F eccentric distance e is arranged, thereby the cutting roller has been constituted a rotating torque T=F * e, the rolling topping machanism move down and the effect of rotating torque T under the rotation of cutting roller, realize cutting to the remaining wedge angle part of body of wall.
Multiple-drill press of the present invention and job practices thereof have following good effect and advantage:
1, according to the present invention, construct that uniform thickness construction of continuous concrete wall technology is simple, thickness of wall body equates, intensity is even, reliable in quality, barrier performance is good, inserts the quantity of shaped steel and arrange not restricted.
2, according to the present invention, the rolling cutting principle of rolling topping machanism of thick wall body such as constructing is reasonable, simple in structure, the processing and manufacturing cost is low, easy to maintenance.
3, according to the present invention, rolling topping machanism volume simple in structure is little, it is few to occupy the space, and when drilling rod during in underground drilling, the resistance that this position produces is little, and native sand flow is moving smooth and easy, the efficiency of construction height.
Description of drawings:
Fig. 1 is embodiments of the invention 1: the front view of multiple-drill press A.
Fig. 2 is the lateral view of multiple-drill press A shown in Figure 1.
Fig. 3 a is the front view of the rolling topping machanism 30 of multiple-drill press A shown in Figure 1.
Fig. 3 b is the vertical view of Fig. 3 a rolling topping machanism 30.
Fig. 3 c is the lateral view of Fig. 3 a rolling topping machanism 30.
Fig. 4 a, Fig. 4 b, Fig. 4 c, Fig. 4 d, Fig. 4 e and Fig. 4 f are embodiments of the invention 2: use multiple-drill press A to construct the schematic diagram of uniform thickness construction of continuous concrete wall method step.
Fig. 5 a and Fig. 5 b are the schematic diagrames of the rolling cutting principle of rolling topping machanism 30 shown in Fig. 3 a.
Fig. 6 is the shape of cross section figure that uses the colonnade formula diaphragm wall body that prior art constructs.
Fig. 7 is the shape of cross section figure that uses the uniform thickness diaphragm wall body that technical solution of the present invention constructs.
The specific embodiment:
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment 1: multiple-drill press A
With reference to Fig. 1, Fig. 2, Fig. 3 a, Fig. 3 b and Fig. 3 c.
A kind of multiple-drill press A mainly comprises: support machine B, drill power head C and drilling tool D.
Above-mentioned support machine B is mainly by base 1 that can traveling on ground G L, is arranged on the base 1 column 2 perpendicular to ground G L, elevator unit 3, and operating room 4 and wire rope 5 constitute; Also be provided with directive slide track 2a, top pulleys group 2b, support bar 2c on the described column 2; Described elevator unit 3 can drive haulage cable 5.
Above-mentioned drill power head C is mainly by frame 6 with place the drive unit 7 on the frame 6 to constitute; Also be provided with guide chute 6a and assembly pulley 6b on the described frame 6, frame 6 hangs under the top pulleys group 2b by curling up at the wire rope on the assembly pulley 6b 5, and be embedded in by guide chute 6a on the directive slide track 2a of column 2, under the traction of the wire rope 5 that hoist engine 3 drives, frame 6 and drive unit 7 can move up and down along column 2; Described drive unit 7 mainly is made of a plurality of force-output shafts 16 that are fixed on main gear reducer 8, prime mover 9 on the frame 6, are arranged at the planetary reducer 10 on the main gear reducer 8, the swivel joint 15 that can import liquid and main gear reducer 8; Under the driving of prime mover 9, slow down through planetary reducer 10 and main gear reducer 8, two adjacent force-output shafts 16 can rotate by rightabout.
Above-mentioned drilling tool D is can be according to using needs to carry out a kind of combined drilling tool that combination collocation constitutes; Drilling tool D mainly comprises: by hollow extension bar 20a, cored screw puddler 20b, have drilling rod 20, shaft coupling 21, shaft coupling seat 22 and guiding device 23 that the drill bit 20c of jet 20d forms; The drilling rod 20 of plural number rotatably is arranged in parallel into one group by shaft coupling seat 22, and links by the force-output shaft 16 of shaft coupling 21 with drill power head C.
Also be provided with rolling topping machanism 30 on one group of drilling rod 20 of described drilling tool D, rolling topping machanism 30 mainly is by the axle 32 that is fixed on bearing 31 on the shaft coupling seat 22, is supported by bearing 31 and places the cutting roller 33 on the axle 32 to constitute rotationally; The cutting roller is provided with most cutter tip 33a.
Under the driving of the force-output shaft 16 of drill power head C, two adjacent drilling rods 20 can rotate by rightabout, and can move up and down the drilling stratum, and rolling topping machanism 30 is when moving down with drilling tool D, and cutting roller 33 can be rotated cutting.
Embodiment 2: use multiple-drill press A to construct uniform thickness construction of continuous concrete wall method.
With reference to Fig. 4 a, Fig. 4 b, Fig. 4 c, Fig. 4 d, Fig. 4 e, Fig. 4 f, Fig. 5 a and Fig. 5 b.
Multiple-drill press A traveling is to construction location, drill power head C drives the drilling rod 20 of drilling tool D and presses the direction initialization rotation, and downward drilling stratum, rolling topping machanism 30 moves down with drilling tool D, cutting roller 33 rotates thereupon, the E of wedge angle portion of the remnants behind the drill bit 20c drilling stratum is scabbled, after reaching desired depth, drill power head C and drilling tool D promote back initial position, and one group of drilling is finished; In the above-mentioned process of creeping into and promoting, import cement paste through swivel joint 15, by hollow extension bar 20a, cored screw puddler 20b, to soil, inject cement paste from the end of drill bit 20c, and stirred by the loose mixing with soil of bit drills, be built into one section cement-soil body of wall; The construction of next section cement-soil body of wall is carried out in multiple-drill press A shift position, and makes the two neighboring sections body of wall that certain coincidence overlap joint be arranged each other; Repeat above step, can form the underground water earth body of wall of a uniform thickness, before the cement-soil body of wall solidifies, can insert the intensity that the shaped steel (not shown) improves body of wall, after the cement-soil body of wall solidifies, just caused the diaphragm wall of a uniform thickness.
The rolling cutting principle and the step of rolling topping machanism 30 are as follows: when rolling topping machanism 30 is mobile thereupon under the effect of the power of the creeping into Q of drilling rod 20, the remaining wedge angle E of portion behind the drill bit 20c drilling soil layer produces vertical reaction F and horizontal reacting force P to cutting roller 33, and F〉P, owing between the center of rotation 0 of cutting roller 33 and the vertical reaction F eccentric distance e is arranged, thereby cutting roller 33 has been constituted a rotating torque T=F * e, rolling topping machanism 30 move down and the effect of rotating torque T under, cutting roller 33 rotary cuttings scabble (referring to Fig. 5 a and Fig. 5 b) with the remaining wedge angle E of portion; The horizontal reacting force P of both sides then cancels out each other.
In conjunction with the foregoing description, describe the present invention, but do some suitable adjustment by structure and compound mode, just can derive various multiple-drill press and corresponding uniform thickness construction of continuous concrete wall method thereof within the scope of the present invention drill power head or drilling tool.
For example: the drilling rod of multiple-drill press can be three one group, and also can be two, four, five etc. is one group, and the quantity of rolling topping machanism also can dispose as required.

Claims (2)

1, a kind of multiple-drill press mainly comprises: support machine, drill power head and drilling tool; Described support machine is mainly by the base of traveling on the ground, and the column, elevator unit, operating room and the haulage cable that are arranged on the base constitute; Drill power head is mainly by frame movably, is arranged on the frame and the drive unit that contains prime mover, reductor and plural force-output shaft constitutes; Drilling tool mainly is made of one group of drilling rod, shaft coupling, shaft coupling seat and guiding device; It is characterized in that: also be provided with the rolling topping machanism of plural number on one group of drilling rod of described drilling tool, the rolling topping machanism is by the axle that is fixed on bearing on the shaft coupling seat, is supported by bearing and places the cutting roller on the axle to constitute rotationally; The cutting roller is provided with most cutter tips.
2, use the job practices of the described multiple-drill press of claim 1, it is characterized in that, this job practices has following steps: the multiple-drill press traveling is to construction location, drill power head drives the drilling rod rotation of drilling tool, and downward drilling stratum, the rolling topping machanism also moves down thereupon, and the wedge angle of the body of wall remnants of cutting roller after with the drill bit drilling partly scabbles, after reaching desired depth, drill power head and drilling tool lifting go back to ground; Above-mentioned creep into lifting process in, to soil, inject cement paste by hollow drill from the drill bit end, after being stirred, be built into one section cement-soil body of wall by the loose mixing with soil of bit drills; The construction of next section cement-soil body of wall is carried out in the multiple-drill press shift position, and makes the two neighboring sections body of wall that certain coincidence overlap joint be arranged each other; Repeat above step, can be built into the underground water earth body of wall of a uniform thickness, before the cement-soil body of wall solidifies, can insert the intensity that shaped steel improves body of wall, after the cement-soil body of wall solidifies, just caused the diaphragm wall of a uniform thickness.
CNB2004100839130A 2004-10-13 2004-10-13 Multiple shaft drilling machine and its construction method Active CN100485156C (en)

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CN100485156C true CN100485156C (en) 2009-05-06

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Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100465383C (en) * 2006-06-26 2009-03-04 河海大学 Multiple head small diameter long screw drilling wall forming machine
CN101769126B (en) * 2009-01-04 2013-08-07 上海金泰工程机械有限公司 Hydraulic middle-drive retractable multi-spindle drilling and stirring device
CN101858196B (en) * 2010-06-09 2013-01-16 中铁科工集团有限公司 Low gravity center three-axle spiral drilling machine and drilling method thereof
CN102155156B (en) * 2011-01-24 2012-11-28 重庆勤牛工程机械有限责任公司 High-speed hydraulic drilling machine
CN102619222B (en) * 2012-04-28 2015-08-26 温州上和建设有限公司 Multi-shaft stirring stake rig
CN103882861B (en) * 2014-02-18 2016-04-27 周兆弟 Quincunx multiaxis cement mixing drilling rod and construction method
CN104746513B (en) * 2015-04-12 2016-11-30 重庆晨宇机床制造有限公司 Five axle SMW engineering method stake machines
KR101666141B1 (en) * 2016-05-23 2016-10-24 주식회사 윤앤플락 Drill Stirrer For Protecting Auger
CN106065764B (en) * 2016-07-26 2019-03-22 昆明良工桩机制造有限公司 The construction method of the porous connection churn of long spire and porous the communication type cast-in-place concrete pile and bored concrete pile of production
CN106285461B (en) * 2016-11-01 2018-03-30 周兆弟 The drilling rod device of rotation driving of piling machine
CN107386295A (en) * 2017-07-24 2017-11-24 能诚集团有限公司 A kind of sedimentation constructing device of underground structure
CN110374500B (en) * 2019-07-16 2020-08-18 上海广大基础工程有限公司 Grouped drilling and pile planting construction method
CN110607989B (en) * 2019-10-25 2021-07-23 中国铁建重工集团股份有限公司 Rock drilling trolley and tunnel tunneling construction method for reducing surrounding rock disturbance
CN113373906B (en) * 2021-06-29 2022-07-15 江苏科弘岩土工程有限公司 Wall connecting machine based on reciprocating type wall surface cutting mechanism

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Owner name: HUNAN SHANHE INTELLIGENT MACHINE CO., LTD.

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Address before: 19, 29 octagonal Road, Beijing, Shijingshan District, China: 100043

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