CN201843132U - Large-aperture deep-pile long-auger drilling rig - Google Patents
Large-aperture deep-pile long-auger drilling rig Download PDFInfo
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- CN201843132U CN201843132U CN2010205802487U CN201020580248U CN201843132U CN 201843132 U CN201843132 U CN 201843132U CN 2010205802487 U CN2010205802487 U CN 2010205802487U CN 201020580248 U CN201020580248 U CN 201020580248U CN 201843132 U CN201843132 U CN 201843132U
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- auger stem
- stake
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- power head
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Abstract
The utility model provides a large-aperture deep-pile long-auger drilling rig, which comprises a drill rod bracket, an auger stem and a hydraulic power head, wherein a slewing bearing is arranged on the hydraulic power head; an external gear ring of the slewing bearing is meshed with a planetary gear, and a hydraulic power head assembling seat is rotationally matched with the external gear ring. The utility model adopts the technical scheme that a long auger pile driver has the large power torque-induced precession construction capability, the purpose of completing the large aperture and deep pile foundation construction technique by use of a long auger pile driver is realized, the construction technology of pile foundations of viaducts, high-speed railways, high-rise buildings and the like is simplified, and construction efficiency and quality are greatly improved.
Description
Technical field
The utility model relates to pile foundation construction equipment, in particular the pile foundation construction device of large aperture and dark stake.
Background technology
Use comparatively general pile foundation construction equipment to be mainly long screw pile machine, its reason is that it has advantage simple to operate, easy to use, that drilling efficiency is high, but owing to be subjected to the influence of factors such as unit head torque, antivibration, shock resistance and pile frame height, it only is suitable for being not more than as the stake hole construction equipment of 800mm and dark stake, and can not be used for creeping into of rock stratum.Today, building constantly aspect the height to spatial development, on the region, also face challenge, especially speedway, viaduct, high-speed railway of various geological conditionss etc., their construction particularly relies on more firm pile foundation.Existing long-spiral drilling machine can't be implemented the large aperture, dark stake and go into the operation of rock pile driving construction, for as speedway, viaduct, railway, the many at present employings of infrastructures such as highrise building are revolved and are dug brill, equipment such as Churn drill or direct and reverse circulation drilling machine is finished the large aperture, dark stake and the construction of brill rock, these equipment are more moneys on exhibit and lesser moneys on counterfoil stake tool, the big drill bit that forms stake hole, large aperture is connected with top device by drilling rod or wire rope, must take the mud off measure to avoid the hole of collapsing in the construction, also require first clean-out opening behind pore-forming in the job specfication, descending reinforcing cage is annotated concrete again, both just so also can't avoid residual slip at the bottom of hole sidewall and the hole, resistance of stake side and end resistance have been weakened greatly, later stage is annotated the concrete pile under water by mozzle in addition, technical errors such as broken pile very easily occur.Existing macropore stake, dark pile constructing process method are comparatively complicated, pile efficient is also very low.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of long screw pile machine of big diameter and deep stake that is suitable for large aperture and the operation of dark pile driving construction, and the long screw pile machine of this big diameter and deep stake has been simplified large aperture and dark pile constructing process, improved pile driving construction efficient greatly.The long screw pile machine technical scheme of the big diameter and deep stake that the utility model provides, its major technique content is: the long screw pile machine of a kind of big diameter and deep stake, it comprises the drill rod rack that is made of stake machine base and stake machine mobile jib, also comprise auger stem and the hydraulic power head that is installed on auger stem top, the auger stem lower end is for creeping into point, hydraulic power head is provided with the pivoting support that drives the auger stem rotating operation, the external toothing of pivoting support with as the planetary gear engaged transmission of driving link, fixedly connected with external toothing in the auger stem upper end, hydraulic power head assembling seat is rotatably assorted with external toothing.
In above-mentioned overall technical architecture, the body of rod of the auger stem core tube inner with it constitutes the hollow lever with sandwich, the core tube constitutes the high-pressure pump concrete pipe that is connected in notes concrete pipe, core tube and body of rod lower end are provided with the notes concrete portals, and is provided with hydraulic cylinder in the interlayer and realizes the plate that sealing or unlatching notes concrete portal by Driven by Hydraulic Cylinder; In addition, the described notes concrete precession dorsal part that portals and to be arranged at helical blade.
Bore the rock construction ability for this length screw pile machine is had, in above-mentioned overall technical architecture, be fixed in the helical blade dorsal part that auger stem creeps into point and be provided with some hydraulic crushing heads.
In order in the middle of drilling construction, to implement the operation of auger stem lengthening, finish the big dark pile driving construction operation that surpasses auger stem length, on the basis of above-mentioned and overall technical architecture, its a kind of technology enforcement means are: adopt quick six square joints between auger stem upper end and the hydraulic power head, extension is that its length is preferably designed as unified standard length on the drilling rod extending part that upper and lower end is with quick six square joints butt joint cooperates; Its another kind of technology realization means are: auger stem top is radially spacing, axial sliding fit, hydraulically powered inside and outside telescopic sleeve structure.
The long screw pile machine technical scheme of the big diameter and deep stake that the utility model provides, structurally be to be design base point to give full play to long screw pile machine technological merit, adopting pivoting support is the large torque hydraulic power head drive major diameter auger stem of main body, make it have large torque power precession construction ability, thereby changed the state of the art that long screw pile machine can't be implemented above large aperture of 800mm and drilling constructions such as dark stake and rock stratum, thus by growing screw pile machine as realizing especially speedway, viaduct, high-speed railway, pile foundation construction equipment such as highrise building become possibility, realize disposable large aperture and the dark stake stake hole of creeping into into, and can go into the rock stratum bearing stratum, concrete is annotated in limit high pressure pumping, the limit rotating, the limit promotes, with vibrating hammer and connecting pipe descending reinforcing cage, finish a whole set of pile foundation construction operating procedure at last.The technical program has been simplified large aperture and dark stake pile foundation construction technology greatly, significantly reduced the single pile engineering time, common about the one hour time just can be finished the single pile constructing operation, owing to adopt high pressure pumping concrete, both avoided pile breaking phenomenon, and reach creep into projected depth after, the portal unlatching of plate of the notes concrete of hydraulic control auger stem lower end, high pressure injects the superfluidity concrete thereupon.The application of this length screw pile machine has overcome at the bottom of the hole loosened soil to the harmful effect of bearing capacity of pile tip, the pile body bottom is fully combined with bearing stratum, it is suitable for various geological conditions pile foundation constructions, is easy to guarantee and improve the construction quality of pile foundation, and efficiency of construction is greatly improved.
Description of drawings
Fig. 1 is the general assembly structure chart of the long screw pile machine of this big diameter and deep stake
Fig. 2 is the general assembly structure chart of hydraulic power head and auger stem
Fig. 3 is the plan structure figure of hydraulic power head
Fig. 4 is the sectional structure chart of the pivoting support of hydraulic power head
Fig. 5 is the sectional structure schematic diagram that creeps into head part of auger stem
Fig. 6 is the structure chart after 90 ° of Fig. 5 turn to
Fig. 7 goes into the general assembly structure chart of concrete device for reinforcing cage
Fig. 8 and Fig. 9 are respectively the vertical and horizontal sectional view of auger stem stretching structure.
The specific embodiment
The long screw pile machine of the utility model big diameter and deep stake, comprise the auger stem support that constitutes for main body by stake machine base 7 and stake machine mobile jib 9, the slideway cooperation is installed on a hydraulic power head of machine mobile jib 91, and hydraulic power head 1 bottom is an auger stem 3, and auger stem 3 lower ends are for creeping into point.OPS 6 is arranged on the machine base 7; The hydraulic oil container 60 of hydraulic system and Hydraulic Station 8 thereof are arranged at a machine platform rear, replace the counterweight setting, and whole stake machine structure is more simplified; Helical blade 31 coils in the body of rod 30 and constitutes auger stem, and the maximum gauge of helical blade can reach 2000mm, and the height of stake machine can reach 45 meters, becomes the long screw pile machine of creeping into stake hole, large aperture, dark stake.The supporting of circling round of hydraulic power head 1 is crept into power for the major diameter auger stem provides large torque, this pivoting support as shown in Figure 3 and Figure 4, mainly be connected by meshing transmission with the some planetary gears 10 that drive external toothing 14 and constitute by external toothing 14, hydraulic power head assembling seat 11 is rotatably assorted through thrust roller bearing and rolling bearing and external toothing 14 as the intermediate member of external toothing 14, in this structure, external toothing 14 and hydraulic power head are assembled between the seat 11 through last, two thrust roller bearings 15 and a rolling bearing 16 are rotatably assorted down, each planetary gear 10 is uniformly distributed in around the external toothing 14, drive external toothing 14 runnings through reduction box or motor through reduction box by hydraulic motor 13, fixedlyed connected with external toothing 14 by drilling rod dish seat 12 in the auger stem upper end, for auger stem provides large torque power.In the middle of reality, can be because be limited by a machine height, or external environment height restriction, need finish dark stake stake position drilling construction by the auger stem of limited length above auger stem length, for this reason in structure design, a kind of mode is to take 17 butt joints of quick six square joints to be connected on the auger stem with between the drilling rod dish seat 12, when creeping into when reaching the deep-seated that need add long screw drill rod length, promote hydraulic power head 1, be connected a segment standard length drilling rod extension 2 by quick six square joints between auger stem 3 and the hydraulic power head 1, assembling is finished the back downward deep drilling of continuation and is reached dark pile driving construction purpose; That another implementation is that auger stem 3 upper ends designs is adopted is radially spacing, axial sliding fit, hydraulically powered inside and outside telescopic sleeve structure, shown in Fig. 8 and 9, inside and outside telescopic tube 3a, the 3b on auger stem 3 tops is hexagonal prism face fit structure, it perhaps is face of cylinder feather key chute fit structure, the inside and outside telescopic tube fit structure of core Guan Yiwei, simultaneously in order to guarantee the unimpeded of oil circuit, oil circuit is flexible and movable sealing sleeve tubular structure, thereby guarantees the operate as normal of the hydraulic unit of auger stem 3 lower ends.Utilize the hydraulically extensible sleeve structure of auger stem, hydraulic power head 1 is the two symmetrical grooved rails 18 of central authorities to dividing with the slip grooved rail of stake machine mobile jib 9 simultaneously, 19, adjust two symmetrical channels rail spacings slip grooved rail a minute centre is provided with, hold fixing spacing guiding mechanism tightly with stake machine mobile jib chute, when needs increase the stratum of downward drilling pressure, turn two symmetrical grooved rails 18 down by the spacing guiding mechanism, 19 spacings, hydraulic power head 1 held tightly be fixed on the machine mobile jib 9, at this moment restart the hydraulically extensible sleeve structure of auger stem, strengthen downward drilling pressure, implement the degree of depth on the bigger stratum of difficulty and creep into work, described spacing guiding mechanism can be hydraulic power mechanism 100 or the reverse acting spiral screw screw mechanism that is matched with leading screw etc.One of hydraulic unit of auger stem 3 lower ends is the some hydraulic crushing heads 39 as the precession dorsal part of Fig. 2, Fig. 5 and the helical blade that is fixed in auger stem 3 31 lower ends shown in Figure 6, the up Hydraulic Station 8 that is connected to of oil circuit 38 main via interlayers of hydraulic crushing head 39.The body of rod 30 of auger stem and core tube in it 32 constitute the hollow lever with sandwich, and core tube 32 upper ends are connected with notes concrete pipe 34 through revolution hoop 33, and the tube chamber of core tube 32 constitutes the high-pressure pump concrete pipe.The lower end of the core tube 32 and the body of rod 30 is provided with annotates concrete and portals 35, is easier to derive the tube chamber of core tube 32 for making high pressure superfluidity concrete, and core tube 32 bottoms are provided with to have and annotate concrete 35 dihedrals that tilt that portal to both sides and lead concrete body 36; In the interlayer of the body of rod 30 and core tube 32 hydraulic cylinder is set, the plate 37 that concrete portals is annotated in this Driven by Hydraulic Cylinder sealing or unlatching.In the present embodiment structure, for making full use of sandwich, as the hydraulic cylinder sidewall, constitute the hydraulic cylinder that drive plate 37 upstream or downstream with upper and lower end wall by the relative part of the body of rod 30 and core tube 32, this hydraulic cylinder oil circuit also via interlayer space is connected with Hydraulic Station 8.As shown in Figure 6, annotate the concrete 35 precession dorsal parts that preferably are arranged at helical blade that portal, creep into reach projected depth after, under the state that does not stop to bore, annotate concretes by the up unlatchings of Driven by Hydraulic Cylinder plate 37 and portal 35, owing to annotate the concrete 35 secondary nips that are positioned at the precession dorsal part of helical blade that portal, resistance when having reduced the high pressure pump-injecting concrete, guarantee unobstructed notes concrete, also effectively avoided simultaneously loosened soil at the bottom of the hole, be easy to reach the bearing capacity of pile tip that technical design requires.
The work progress of this big diameter and deep stake pile foundation is: this macropore path length screw pile machine is moved to the stake position, Hydraulic Station work, pivoting support drives auger stem 3 and creeps into work, when auger stem length is high less than the design pile beacon, can add stacks extension 2 by the six side's snap joints of removing stage makeup and costume, certainly also be convenient to very much dismounting, when need creep into to bearing stratums such as rock stratum, preferably take auger stem top for radially spacing, axial sliding fit, hydraulically powered telescopic tube 3a, the elongate structure of 3b, guarantee the connection of hydraulic circuit like this, both can start hydraulic crushing head 39, implement fragmentation and creep into work, can also utilize the spacing guiding mechanism of slip grooved rail hydraulic power head 1 to be held tightly the suitable height that is fixed in a machine mobile jib 9, hydraulic-driven auger stem radially spacing, the inside and outside telescopic sleeve structure of axial sliding fit, in extension arm, bore under the intensified pressure, until reaching the design depth of stratum, hydraulic-driven plate 37 unlatching notes concretes portal 35 then, by annotating concrete pipe 34 through core tube 32 downward high pressure injection concretes, the concrete material portals 35 when extruding by annotating concrete, stake end loosened soil also is rotated to be taken out of, continue to annotate concrete when promoting auger stem after at the bottom of the filling stake, this method has improved stake end forming quality, can guarantee to reach the design bearing capacity of pile tip; Reinforcing cage was gone into concrete after extremely a stake hole was full of the concrete material, with the connecting pipe 52 and the unit head thereof of overcoat reinforcing cage move to the stake position, under the pressure effect of vibrating hammer 5, driving reinforcing cage 50 along vibrating hammer slideway 4 is lowered in the concrete stake, this process has also been implemented the vibration compacting effect to concrete material in the stake, until going into a concrete, promote unit head and connecting pipe and go out concrete, pile to the design position.The method of operating that this reinforcing cage is gone into concrete has solved the difficult problem that is lowered to of constructing reinforcing cage in large aperture, the dark stake pile foundation, has fast, is easy to realize, the high technical characterstic of cage quality down, has improved the following cage efficient of reinforcing cage.
Claims (9)
1. long screw pile machine of big diameter and deep stake, it comprises the drill rod rack that is made of stake machine base and stake machine mobile jib, also comprise auger stem and the hydraulic power head that is installed on auger stem top, the auger stem lower end is for creeping into point, it is characterized in that hydraulic power head is provided with the pivoting support that drives the auger stem rotating operation, the external toothing of pivoting support with as the planetary gear engaged transmission of driving link, fixedly connected with external toothing in the auger stem upper end, hydraulic power head assembling seat is rotatably assorted with external toothing.
2. the long screw pile machine of big diameter and deep stake according to claim 1, the body of rod core tube inner with it that it is characterized in that auger stem constitutes the hollow lever with sandwich, the core tube constitutes the high-pressure pump concrete pipe, core tube and body of rod lower end are provided with the notes concrete portals, and is provided with hydraulic cylinder in the interlayer and realizes the plate that sealing or unlatching notes concrete portal by Driven by Hydraulic Cylinder.
3. the long screw pile machine of big diameter and deep stake according to claim 2 is characterized in that annotating the portal precession dorsal part of the helical blade that is arranged at auger stem of concrete.
4. according to claim 2 or the long screw pile machine of 3 described big diameter and deep stakes, it is characterized in that core tube bottom is provided with to tend to annotate the dihedral that concrete portals and lead the concrete body.
5. the long screw pile machine of big diameter and deep stake according to claim 1 is characterized in that being fixed in the helical blade lower end dorsal part that auger stem creeps into point and is provided with some hydraulic crushing heads.
6. the long screw pile machine of big diameter and deep stake according to claim 1 is characterized in that adopting quick six square joints between auger stem upper end and the hydraulic power head, and an extension is that upper and lower end is the drilling rod extending part that cooperates with quick six side's butt joints butt joint.
7. the long screw pile machine of big diameter and deep stake according to claim 1 is characterized in that auger stem top is radially spacing, axial sliding fit, hydraulically powered inside and outside telescopic sleeve structure.
8. the long screw pile machine of big diameter and deep stake according to claim 7, it is characterized in that the hydraulic power head and the slip grooved rail of stake machine mobile jib are the two symmetrical grooved rails of central authorities to dividing, adjust two symmetrical channels rail spacings, hold fixing spacing guiding mechanism tightly with stake machine mobile jib chute slip grooved rail minute centre is provided with.
9. the long screw pile machine of big diameter and deep stake according to claim 1 is characterized in that being rotatably assorted through upper and lower two thrust roller bearings and a rolling bearing between external toothing and the hydraulic power head assembling seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205802487U CN201843132U (en) | 2010-10-21 | 2010-10-21 | Large-aperture deep-pile long-auger drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205802487U CN201843132U (en) | 2010-10-21 | 2010-10-21 | Large-aperture deep-pile long-auger drilling rig |
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| Publication Number | Publication Date |
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| CN201843132U true CN201843132U (en) | 2011-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205802487U Expired - Fee Related CN201843132U (en) | 2010-10-21 | 2010-10-21 | Large-aperture deep-pile long-auger drilling rig |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002941A (en) * | 2010-10-21 | 2011-04-06 | 李贵堂 | Large-aperture long screw rig, reinforcement cage concreting device and fabricating method of large-aperture deep pile |
| CN102322056A (en) * | 2011-07-04 | 2012-01-18 | 湖南德邦重工机械有限公司 | Super-large-torque spiral hole-boring and pile-pouring machine |
| CN104832087A (en) * | 2013-07-31 | 2015-08-12 | 覃炳德 | Sleeve type drilling rod |
| CN105401881A (en) * | 2015-12-02 | 2016-03-16 | 国家电网公司 | Drilling machine for frozen earth for vertically burying electric pole |
| CN107965272A (en) * | 2014-05-12 | 2018-04-27 | 中山市元亨家居用品有限公司 | Be used in desilting device on long spiral stake machine |
-
2010
- 2010-10-21 CN CN2010205802487U patent/CN201843132U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002941A (en) * | 2010-10-21 | 2011-04-06 | 李贵堂 | Large-aperture long screw rig, reinforcement cage concreting device and fabricating method of large-aperture deep pile |
| CN102002941B (en) * | 2010-10-21 | 2012-07-11 | 李贵堂 | Large-aperture long screw rig, reinforcement cage concreting device and fabricating method of large-aperture deep pile |
| CN102322056A (en) * | 2011-07-04 | 2012-01-18 | 湖南德邦重工机械有限公司 | Super-large-torque spiral hole-boring and pile-pouring machine |
| CN104832087A (en) * | 2013-07-31 | 2015-08-12 | 覃炳德 | Sleeve type drilling rod |
| CN107965272A (en) * | 2014-05-12 | 2018-04-27 | 中山市元亨家居用品有限公司 | Be used in desilting device on long spiral stake machine |
| CN105401881A (en) * | 2015-12-02 | 2016-03-16 | 国家电网公司 | Drilling machine for frozen earth for vertically burying electric pole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Liaoning Jianhua Heavy Industrial Co., Ltd. Assignor: Li Guitang Contract record no.: 2013210000053 Denomination of utility model: Large-aperture deep-pile long-auger drilling rig Granted publication date: 20110525 License type: Exclusive License Record date: 20130607 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20181021 |