CN202064822U - Multi-shaft uniform-wall-thickness large-width continuous wall drill - Google Patents
Multi-shaft uniform-wall-thickness large-width continuous wall drill Download PDFInfo
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- CN202064822U CN202064822U CN2011201057827U CN201120105782U CN202064822U CN 202064822 U CN202064822 U CN 202064822U CN 2011201057827 U CN2011201057827 U CN 2011201057827U CN 201120105782 U CN201120105782 U CN 201120105782U CN 202064822 U CN202064822 U CN 202064822U
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- sidewall
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- 238000005553 drilling Methods 0.000 claims abstract description 53
- 238000003756 stirring Methods 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 9
- 238000010276 construction Methods 0.000 description 9
- 239000002689 soil Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a multi-shaft uniform-wall-thickness large-width continuous wall drill, which comprises a power head, more than two groups of parallel hollow drilling rods, supporting frames, retaining frames, side wall cutters and grouting tubes, wherein the hollow drilling rods are arranged in two or three rows; each side wall cutter is fixedly arranged below two adjacent retaining frames and comprises a transmission box body, a hollow worm wheel shaft, a worm wheel, a worm and side wall cutting knives; the hollow worm wheel shaft is coaxially fixed to a stirring drilling rod and penetrates through the transmission box body; the worm wheel is sleeved on the hollow worm wheel shaft; the worm is pivotally arranged in a worm chamber through a worm shaft; the two ends of the worm shaft penetrate through the wall of the transmission box body, are positioned on the wall, are perpendicular to the stirring drilling rod and are provided with the side wall cutting knives respectively; longitudinal projections of the side wall cutting knives are positioned on a common chord extension line of rotation tracks on the outer edges of two adjacent drilling knife bodies; the side wall cutter is used for cutting a boundary part with the minimum space between adjacent drilling holes during rotation; and thus, a uniform-wall-thickness large-width underground continuous wall with high strength and high seepage resistance can be constructed and is used for seepage resistance of dykes, bracing of foundation pits and the like.
Description
Technical field
The utility model relates to a kind of circulation boring machine, more precisely, relates to the big width diaphragm wall of wall thickness augers such as a kind of multiaxial type.
Background technology
At present, carry out the antiseepage processing at river dyke, the subway station excavation of foundation pit is gone along with sb. to guard him with the underground curtain wall of highrise building when building, and generally adopts colonnade formula Diaphragm Wall.This technology is by special-purpose multiple borer, be installed on the pile frame, by driving the hollow drill that at least two groups be arranged in parallel, segmentation is crept into ground and promote go back to ground to certain depth, in the process of rod boring and lifting, eject cement paste from chisel edge, mix stirring, be built into one section cement-soil body of wall with loose earth, sandstone; Next width of cloth wall construction is carried out in horizontal then shift position, makes between the adjacent two ends body of wall local overlapping; Repeat above construction, can be built into one section continuous underground water earth body of wall; In addition, can before cement-soil solidifies, insert shaped steel, be used for improving the intensity of body of wall, treat that the cement-soil body of wall solidifies fully after, can form one section colonnade formula diaphragm wall.From construction technology, the diaphragm wall that uses this technology to build is cylindrical continuous arrangement, in the public string position of drill bit movement track body of wall wall thickness minimum, this body of wall is the colonnade formula body of wall that wall thickness such as a Duan Fei and body of wall lateral cross section are cucurbit string shape, because this body of wall wall thickness differs, strength of wall body is inhomogeneous, cause the whole barrier performance of diaphragm wall to descend, and, arrangement, quantity and the position of inserting shaped steel in the cement-soil body of wall also are restricted, and the intensity that influences the diaphragm wall body improves.If reach enough design thicknesss, the bit diameter of use must strengthen, and the diameter that stirs the helical blade of drilling rod strengthens equally, and the use amount of cement paste also increases greatly, and the waste ample resources does not meet the low-carbon (LC) that country advocates, energy-conservation environmental protection policy.
Along with the continuous increase of city underground, water conservancy and dam construction project, underground antiseepage curtain wall is built wall thickness and is further strengthened, and simultaneously strength of wall body and antiseepage is required to have higher requirement, and original technology can't satisfy the construction requirement of diaphragm wall.
Summary of the invention
The purpose of this utility model is according to the deficiencies in the prior art, and a kind of big width diaphragm wall of wall thickness such as multiaxial type auger that guarantees that diaphragm wall thickness equates, wall thickness greatly, effectively improves its intensity and guarantee whole barrier performance is provided.
The utility model is achieved through the following technical solutions:
The big width diaphragm wall of wall thickness such as a kind of multiaxial type auger comprises the unit head of being made up of vertical type motor, planetary reduction gear and gearbox, the above and hollow drill that is arranged in parallel of at least two groups, bracing frame, retainer, sidewall cutter and Grouting Pipe; Wherein: every group of hollow drill comprises the drill finish bar, stirs drilling rod and hollow drill bit drilling rod, the hollow output shaft of unit head is connected with drill finish bar one end by terminal pad, and every group of hollow drill connects the other end, stirring drilling rod and the hollow drill bit drilling rod of drill finish bar in line by bracing frame and retainer respectively from top to bottom successively; Stir on the drilling rod helical blade is set; The hollow drill bit drilling rod is provided with drill bit, helical blade and brill pick cutter hub; Each drill finish bar passes vertically disposed with it bracing frame; The side of bracing frame places on the guide rail of employed pile frame column; Each stirs drilling rod and passes vertically disposed with it retainer respectively; Grouting Pipe is tightly connected with the hollow output shaft upper end of passing gearbox on the unit head; Some sidewall cutters are installed in adjacent two retainers below; It is characterized in that: each sidewall cutter comprises a transmission case body, with the coaxial hollow worm-wheel shaft of fixing and passing transmission case body of stirring drilling rod, be set in the worm gear on the hollow worm-wheel shaft, be arranged on the transmission case body both sides two worm screw chambers, by worm shaft be pivotally mounted in worm screw indoor and respectively with the both sides engaged worm of worm gear, and sidewall bite; Wherein, the two ends of described worm shaft pass transmission case body wall, be positioned on this wall and with to stir drilling rod vertical, the two ends of worm shaft respectively are equipped with the sidewall bite, and the longitudinal projection of sidewall bite is positioned at the outer most edge of adjacent two hollow drill bit drilling rods and bores on the extended line of the public string of digging the cutter hub rotational trajectory.
The utility model can be that described hollow drill is two rows or three row's straight line, and the direction of rotation of the helical blade of the helical blade of adjacent two rows' stirring drilling rod and hollow drill bit drilling rod is opposite.
The sidewall bite outside of described sidewall cutter equates to the radius of gyration of retainer centre distance with the brill pick cutter hub of hollow drill bit drilling rod.
The utility model can also be that wall thickness diaphragm wall augers such as described multiaxial type is characterized in that: described worm screw is single head or double-thread worm.
The big width diaphragm wall of wall thickness such as multiaxial type of the present utility model auger has following good effect and advantage:
1, according to the utility model, build that uniform thickness construction of diaphragm wall technology is simple, the body of wall wall thickness equates, intensity is even, wall quality is reliable and stable, and whole barrier performance is guaranteed that effectively the order of magnitude that inserts shaped steel arranges unrestricted.
2,, can build the big width diaphragm wall of uniform thickness, operating efficiency height, convenient and swift according to the utility model.
3, according to the utility model, the brill of sidewall cutter pick cutting principle is reasonable, simple in structure, the occupation of land space is few, and processing and manufacturing is simple, easy to maintenance; Simultaneously, when drilling rod crept into downwards, it is little that this position produces resistance, native sand good fluidity, operating efficiency height.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the structural representation of wall thickness diaphragm wall augers such as the utility model multiaxial type;
Fig. 2 is that the A of Fig. 1 hollow core drilling rod is to view;
Fig. 3 is the A-A cross-sectional view of Fig. 1, the situation the during operation of expression the utility model;
Fig. 4 is a sidewall cutter structure partial cross-sectional schematic in the utility model;
Fig. 5 is the B-B cross-sectional view of Fig. 4.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, the big width diaphragm wall of wall thickness such as a kind of multiaxial type auger, comprise the unit head of forming by vertical type motor, planetary reduction gear and gearbox 1, five groups of hollow drills 2 that the two row's straight line that are parallel to each other and are are provided with, bracing frame 3, retainer 4, sidewall cutter 5 and Grouting Pipe 6; Wherein: every group of hollow drill 2 comprises drill finish bar 21, stirs drilling rod 22 and hollow drill bit drilling rod 23, the hollow output shaft of unit head 1 is connected with drill finish bar 21 1 ends by terminal pad 12, and every group of hollow drill 2 connects the other end, stirring drilling rod 22 and the hollow drill bit drilling rod 23 of drill finish bar 21 in line by bracing frame 3 and retainer 4 respectively from top to bottom successively; Stir on the drilling rod 22 helical blade 222 is set; Hollow drill bit drilling rod 23 is provided with drill bit 231, helical blade 232 and bores pick cutter hub 233; The direction of rotation of the helical blade 222 of adjacent two rows' stirring drilling rod 22 and the helical blade 232 of hollow drill bit drilling rod 23 is opposite; Each drill finish bar 21 passes vertically disposed with it bracing frame 3; The side of bracing frame 3 places on the guide rail of employed pile frame column; Each stirs drilling rod 22 and passes vertically disposed with it retainer 4 respectively; Grouting Pipe 6 is tightly connected with the hollow output shaft upper end of passing gearbox on the unit head; Some sidewall cutters 5 are installed in adjacent two retainer 4 belows; It is characterized in that: each sidewall cutter 5 comprises a transmission case body 51, with the stirring drilling rod 22 coaxial hollow worm-wheel shafts 52 of fixing and passing transmission case body 51, be set in the worm gear 53 on the hollow worm-wheel shaft 52, be arranged on transmission case body 51 both sides two worm screw chambers 56, by worm shaft 55 be pivotally mounted in the worm screw chamber 56 and respectively with the both sides engaged worm 54 of worm gear 53, and sidewall bite 57; Wherein, the two ends of described worm shaft 55 pass transmission case body 51 wall, be positioned on this wall and with to stir drilling rod 22 vertical, the two ends of worm shaft 55 respectively are equipped with sidewall bite 57, and the longitudinal projection of sidewall bite 57 is positioned at the outer most edge of adjacent two hollow drill bit drilling rods 23 and bores on the extended line of the public string of digging cutter hub 233 rotational trajectories; Described worm screw 54 is single head or double-thread worm; Sidewall bite 57 outsides of described sidewall cutter 5 equate to the radius of gyration of retainer 4 centre distances with the brill pick cutter hub 233 of hollow drill bit drilling rod 23.
During the big width diaphragm wall of wall thickness auger operations such as the utility model multiaxial type, on pile frame, hang and fix the unit head 1 of auger, connect five groups of hollow drills 2, bracing frame 3, retainer 4, sidewall cutter 5 and Grouting Pipe 6 successively, drill finish bar 21 in the hollow drill 2 and stirring drilling rod 22 are dug the combination that the degree of depth is provided with more piece length according to boring; Start the upright motor on the unit head 1, give planetary reduction gear and gearbox with transmission of power, drill finish bar 21, stirring drilling rod 22 are rotated together, and drive drill bit 23 bores pick downwards, two adjacent hollow drills 2 can rotate by rightabout, Grouting Pipe 6 can be in hollow drill 2 the cement injection slurries, bore pick and form the circular slotted eye of two rows that some parts link to each other; Simultaneously, when stirring drilling rod 22 rotations, the coaxial with it hollow worm-wheel shaft 52 that installs also rotates together, pass to two the worm screw chambers 56 and worm gear 53 engaged worm 54 that are positioned at transmission case body 51 both sides by worm gear 53, make the wall that passes transmission case body 51, be positioned on this wall and the worm shaft 55 vertical with stirring drilling rod 22 rotates, thereby drive sidewall bite 57 rotations at worm shaft 55 two ends; When hollow drill 2 bores pick downwards, sidewall bite 57 opposing sidewalls rotations is carried out the sidewall digging to the position, boundary of spacing minimum between the adjacent brill pick hole (being the extended line position of public string of the brill pick cutter hub 233 outer rim rotational trajectories of adjacent hollow drill bit drilling rod 23), the circular slotted eye of two rows that brill is excavated further links to each other, and forms the cement-soil body of wall of one section pick hole width unanimity; Horizontal mobile pile frame position is carried out the construction of next section cement-soil body of wall and is made adjacent two ends body of wall that certain coincidence overlap joint be arranged each other; Repeat above step, can form one section underground water earth body of wall that waits the big width of wall thickness, before the cement-soil body of wall solidifies, can be by inserting the intensity that shaped steel improves the cement-soil body of wall, after treating that the cement-soil body of wall solidifies, just be built into one section diaphragm wall that waits the big width of wall thickness.
The utility model is not limited to the foregoing description, but by the structure of auger unit head and the compound mode of hollow drill are done suitable adjustment and variation, just can within scope of the present utility model, derive the big width diaphragm wall of wall thickness augers such as various multiaxial type.As, the hollow drill of the big width diaphragm wall of wall thickness such as multiaxial type auger can be 3 groups, also can 2 groups, 4 groups, 5 groups, 6 groups or 7 groups, but take into account consideration from practice of construction requirement, cost and efficiency of construction each side, general select 3 to 5 groups and with two arrange put optimum, like this, the structure and the quantity of unit head output shaft quantity, support frame structure, retainer structure, Grouting Pipe configuration quantity, sidewall cutter just can dispose according to actual needs.
Claims (4)
1. the big width diaphragm wall of wall thickness augers such as multiaxial type comprise the unit head of being made up of vertical type motor, planetary reduction gear and gearbox, the above and hollow drill that is arranged in parallel of at least two groups, bracing frame, retainer, sidewall cutter and Grouting Pipe; Wherein: every group of hollow drill comprises the drill finish bar, stirs drilling rod and hollow drill bit drilling rod, the hollow output shaft of unit head is connected with drill finish bar one end by terminal pad, and every group of hollow drill connects the other end, stirring drilling rod and the hollow drill bit drilling rod of drill finish bar in line by bracing frame and retainer respectively from top to bottom successively; Stir on the drilling rod helical blade is set; The hollow drill bit drilling rod is provided with drill bit, helical blade and brill pick cutter hub; Each drill finish bar passes vertically disposed with it bracing frame; The side of bracing frame places on the guide rail of employed pile frame column; Each stirs drilling rod and passes vertically disposed with it retainer respectively; Grouting Pipe is tightly connected with the hollow output shaft upper end of passing gearbox on the unit head; Some sidewall cutters are installed in adjacent two retainers below; It is characterized in that: each sidewall cutter comprises a transmission case body, with the coaxial hollow worm-wheel shaft of fixing and passing transmission case body of stirring drilling rod, be set in the worm gear on the hollow worm-wheel shaft, be arranged on the transmission case body both sides two worm screw chambers, by worm shaft be pivotally mounted in worm screw indoor and respectively with the both sides engaged worm of worm gear, and sidewall bite; Wherein, the two ends of described worm shaft pass transmission case body wall, be positioned on this wall and with to stir drilling rod vertical, the two ends of worm shaft respectively are equipped with the sidewall bite, and the longitudinal projection of sidewall bite is positioned at the outer most edge of adjacent two hollow drill bit drilling rods and bores on the extended line of the public string of digging the cutter hub rotational trajectory.
2. the big width diaphragm wall of wall thickness auger such as multiaxial type according to claim 1, it is characterized in that: described hollow drill is two rows or three row's straight line, and the direction of rotation of the helical blade of the helical blade of adjacent two rows' stirring drilling rod and hollow drill bit drilling rod is opposite.
3. the big width diaphragm wall of wall thickness auger such as multiaxial type according to claim 1, it is characterized in that: the radius of gyration that cutter hub is dug to the retainer centre distance and the brill of hollow drill bit drilling rod in the sidewall bite outside of described sidewall cutter equates.
4. the big width diaphragm wall of wall thickness auger such as multiaxial type according to claim 1, it is characterized in that: described worm screw is single head or double-thread worm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011201057827U CN202064822U (en) | 2011-04-12 | 2011-04-12 | Multi-shaft uniform-wall-thickness large-width continuous wall drill |
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CN2011201057827U CN202064822U (en) | 2011-04-12 | 2011-04-12 | Multi-shaft uniform-wall-thickness large-width continuous wall drill |
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CN202064822U true CN202064822U (en) | 2011-12-07 |
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CN2011201057827U Expired - Lifetime CN202064822U (en) | 2011-04-12 | 2011-04-12 | Multi-shaft uniform-wall-thickness large-width continuous wall drill |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103882861A (en) * | 2014-02-18 | 2014-06-25 | 周兆弟 | Quincuncial multi-shaft cement mixing drill stem and construction method |
CN104032731A (en) * | 2014-04-29 | 2014-09-10 | 周兆弟 | Plum-blossom-shaped cement soil mixing pile and forming method thereof |
CN104612139A (en) * | 2015-01-20 | 2015-05-13 | 张永忠 | Six-shaft stirring and pile-forming machine |
CN104631449A (en) * | 2015-02-28 | 2015-05-20 | 朱艳菊 | Parallelogram-shaped mixing-pile drilling machine |
CN104863131A (en) * | 2014-04-29 | 2015-08-26 | 周兆弟 | Polygonal cement-soil stirring pile and formation method thereof |
CN105401575A (en) * | 2015-12-31 | 2016-03-16 | 卢兴耐 | Combined stirred pile making machine |
CN109252510A (en) * | 2018-10-16 | 2019-01-22 | 上海工程机械厂有限公司 | A kind of construction method of underground continuous wall |
CN110374500A (en) * | 2019-07-16 | 2019-10-25 | 上海广大基础工程有限公司 | A kind of drilling pile construction method in groups |
CN112814060A (en) * | 2021-01-07 | 2021-05-18 | 北京宏创天业建设工程有限公司 | Grooving machine for underground grouting continuous wall construction and construction method |
CN113373906A (en) * | 2021-06-29 | 2021-09-10 | 江苏科弘岩土工程有限公司 | Wall connecting machine based on reciprocating type wall surface cutting mechanism |
-
2011
- 2011-04-12 CN CN2011201057827U patent/CN202064822U/en not_active Expired - Lifetime
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103882861A (en) * | 2014-02-18 | 2014-06-25 | 周兆弟 | Quincuncial multi-shaft cement mixing drill stem and construction method |
CN103882861B (en) * | 2014-02-18 | 2016-04-27 | 周兆弟 | Quincunx multiaxis cement mixing drilling rod and construction method |
CN104032731A (en) * | 2014-04-29 | 2014-09-10 | 周兆弟 | Plum-blossom-shaped cement soil mixing pile and forming method thereof |
CN104863131A (en) * | 2014-04-29 | 2015-08-26 | 周兆弟 | Polygonal cement-soil stirring pile and formation method thereof |
CN104612139A (en) * | 2015-01-20 | 2015-05-13 | 张永忠 | Six-shaft stirring and pile-forming machine |
CN104631449A (en) * | 2015-02-28 | 2015-05-20 | 朱艳菊 | Parallelogram-shaped mixing-pile drilling machine |
CN104631449B (en) * | 2015-02-28 | 2016-05-25 | 卢兴耐 | Parallelogram mixing pile rig |
CN105401575A (en) * | 2015-12-31 | 2016-03-16 | 卢兴耐 | Combined stirred pile making machine |
CN109252510A (en) * | 2018-10-16 | 2019-01-22 | 上海工程机械厂有限公司 | A kind of construction method of underground continuous wall |
CN110374500A (en) * | 2019-07-16 | 2019-10-25 | 上海广大基础工程有限公司 | A kind of drilling pile construction method in groups |
CN112814060A (en) * | 2021-01-07 | 2021-05-18 | 北京宏创天业建设工程有限公司 | Grooving machine for underground grouting continuous wall construction and construction method |
CN113373906A (en) * | 2021-06-29 | 2021-09-10 | 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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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20111207 Effective date of abandoning: 20141021 |
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C20 | Patent right or utility model deemed to be abandoned or is abandoned |