CN203403404U - High-efficiency cast-in-place pile device - Google Patents
High-efficiency cast-in-place pile device Download PDFInfo
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- CN203403404U CN203403404U CN201320428669.1U CN201320428669U CN203403404U CN 203403404 U CN203403404 U CN 203403404U CN 201320428669 U CN201320428669 U CN 201320428669U CN 203403404 U CN203403404 U CN 203403404U
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Abstract
The utility model relates to the technical field of civil engineering, and discloses a high-efficiency cast-in-place pile device. The high-efficiency cast-in-place pile device comprises a rotary drill used for rotary drilling, and further comprises a long pile casing used for preventing hole shrinkage, an attack drill used for crushing soil and stone and taking out the soil and the stone, and a hoisting device used for controlling the attack drill to extend into the long pile casing to run. According to the high-efficiency cast-in-place pile device, due to the fact that the long pile casing is adopted, the length of the long pile casing is matched with the depth of a hole, and the phenomenon of hole shrinkage of poor strata is avoided; due to the fact that the attack drill is used in cooperation with the long pile casing to directly take out the soil and the stone from the hole, the soil and the stone in the hole do not need to be brought out in a deep-hole slurry circulation mode, consumption of slurry is reduced, namely, disturbance to the hole wall is reduced, the hole can be easily formed, and operating efficiency is high.
Description
Technical field
The utility model relates to the technical field of civil engineering, relates in particular to efficient castinplace pile equipment.
Background technology
Needs along with coastal cities construction development, can carry out large-scale marine reclamation land.Place, territory, general reclamation area belongs to coastal tidal landforms originally, and the distribution of deep mud Backfilled Stone Layer becomes fills out the main unfavorable geology phenomenon in extra large section.When at reclamation area construction building object depth foundation pit supporting pile, often run into the deep mud undergauge in top, fill out the difficulty that (piece) stone layer is difficult to pass through.
In prior art, conventionally selecting punching drilling process when the stake of Backfilled Stone Layer construction supporting, as shown in Figure 1, is constructure scheme principle schematic, generally adopts punching drilling process, and cross punching hammer will rockfill and rushes broken or squeeze into a side, mud circulation retaining wall pore-forming.Conventional casing 2 is imbedded in aperture, the about 2.0m of the degree of depth, and cross punching hammer rockfills in 1 pair of stratum, slabstone 4 has good fragmentation, sediment after fragmentation is back to mud pit 5 at the bottom of hole, sediment is precipitated in deep pond 4, and premium mud flows in mud pit 5, then iterative cycles utilization.When perfusion concrete piles, at the mud interval that rockfills, produce concrete fullness coefficient large, cause waste of material, and the construction of high-pressure spiral jetting diaphragm stake between impact stake.In addition adopt punching technology to need mud off, use in a large number mud to cause useless slurry waste residue amount large, be unfavorable for on-the-spot civilized construction, cost strengthens.And because top miscellaneous fill is loose, not fixed, in the process of impact block stone, slabstone 3, easily produce the loose hole that collapses, top.Meanwhile, for the mud of miscellaneous fill layer bottom, because it is the soft shape of moulding, water content is high, produces mud and flow in impact holing, mud circulation aspiration procedure, causes the serious undergauge of pile body, is difficult to meet pore-forming requirement and requirement, and operating efficiency is lower.
Utility model content
The purpose of this utility model is to provide efficient castinplace pile equipment, is intended to solve the problem that existing major diameter, super dark castinplace pile operation mesopore undergauge are serious, be difficult to pore-forming.
The utility model is to realize like this, efficient castinplace pile equipment, comprise for rotating the Spiral digging machine of punching, also comprise long casing for preventing undergauge, for smashing and take out rushing of native stone, grab cone and grab for controlling described punching the lifting appliance that cone stretches into described long casing operation.
Further, also comprise the vibrating hammer for long casing described in vibration-sunk, described vibrating hammer upper end is connected to another lifting end of described lifting appliance.
Further, described punching grabs that cone is inner is provided with the counterweight for increasing the weight of, and lower end is provided with and can controls the activity pulldown of closing up, and described activity pulldown front end is set to tip.
Further, also comprise for coordinating the short casing of punching.
Further, described vibrating hammer lower end is provided with the clamping structure for fixing described long casing or short casing that can folding.
Compared with prior art, the utility model adopts long casing, has effectively avoided the problem of deep hole undergauge.And rushing of being used in conjunction with grabbed cone and can directly be taken out native stone in hole, reduce the needs to mud circulation, thereby reduced the disturbance to hole wall, pore-forming is easy, and operating efficiency is high.
Accompanying drawing explanation
The constructure scheme principle schematic that Fig. 1 provides for prior art;
Fig. 2 draws hole process schematic diagram for the rotary drilling rig of the efficient castinplace pile equipment that the utility model embodiment provides;
Fig. 3 is for sinking to long casing process schematic diagram;
Fig. 4 grabs cone for punching and captures native stone schematic diagram;
Fig. 5 is Spiral digging machine soil taking hole forming schematic diagram;
Fig. 6 is that whole hole pulls up long casing schematic diagram.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Below in conjunction with concrete accompanying drawing, the realization of the present embodiment is described in detail.
As shown in Fig. 2-Fig. 4, efficient castinplace pile equipment 2, comprise Spiral digging machine 21 for rotating punching, for prevent undergauge long casing 24, for smashing and take out rushing of native stone, grab cone 25 and grab for controlling described punching the lifting appliance (not shown) that the relative described long casing of cone moves.
Lifting appliance is ripe prior art, can adopt the lifting machine of all kinds of models.
In castinplace pile punching, long casing 24 is compared casing of the prior art, has extended the scope of limiting aperture, in darker drilling operation, can effectively prevent undergauge.Cone 25 is grabbed in punching can directly take out native stone in hole, has reduced the needs to mud, and then has reduced the disturbance to hole wall, and pore-forming is easy.Long casing 24 cooperation punchings are grabbed cone 25 and are cooperatively interacted, and in operation, from anti-undergauge and reduction, two aspects of hole wall disturbance have been guaranteed to efficiency and the quality of pore-forming, have also increased the operating efficiency of whole castinplace pile process.
For the ease of the sinking operation of long casing 24, the present embodiment has adopted vibrating hammer 23 to apply down force for it.It is similar that cone 25 is grabbed in vibrating hammer 23 and punching, is respectively arranged on the lifting end of lifting appliance.Vibrating hammer 23 lower ends are fixed on the upper end of long casing 24.
Vibrating hammer 23 lower ends are provided with clamping structure, can clamp fixed length casing 24 upper ends, can not only provide down force like this, also can provide upper lifting force, and long casing 23 is extracted in hole.Clamping structure is prior art, can be with multiple, and clamp thread platform for example, the structures such as hydraulic pressure latch all can realize, and the mode that coordinates double fastener to hold can guarantee that long casing 24 can vertically advance.
Vibrating hammer 23 can provide vibration force, promotes long casing 24 to sink.With directly press down and compare, operating efficiency is higher, also lower to the infringement of long casing 24.
As shown in Figure 4, punching is grabbed cone 25 inside and is provided with counterweight, and lower end is set to control the activity pulldown 251 of closing up, and the lower end of activity pulldown 251 is set to tip.Punching is grabbed cone 25 owing to being provided with counterweight, and weight own is larger, and tip can sting the stone that buries, and in punching, grabs in the dropping process of cone 25, easily the native stone of bulk is punctured, and splits into polylith fritter soil stone, is convenient to take out, and is also convenient to long casing 24 sinking operations.
Counterweight can adopt various designs, in the present embodiment, adopt pig to carry out counterweight, it is hollow structure that cone 25 housing is grabbed in punching, in inside, be filled with described pig, can select the pig of Different Weight according to different geology characteristics, accelerate operating efficiency.
At the initial stage of boring, if use long casing 24, part is on the ground long, comparatively inconvenience.So this device also comprises short casing 22, can carry out reinforced hole at the initial stage of boring.After boring proceeds to a certain degree, take out and replace growth casing 24.The structural similarity of short casing 22 and long casing 24, just length is had any different, and vibrating hammer 23 also can clamp the upper end of fixing short casing 22.
Below in conjunction with work flow, efficient castinplace pile equipment 2 is described in detail.
As shown in Figure 2; starting most of operation; the target of operation is mainly impurity soil layer 31 and mud Backfilled Stone Layer 32; this stage mainly carries out preliminary punching and draws hole by the drill bit of Spiral digging machine 21; adopt mud off; revolve and dig to certain depth (approximately 2.0～3.0m), for preventing miscellaneous fill layer 31 hole that collapses, can be lowered to short casing 22 protection hole walls.
As shown in Figure 3, when the hole of operation has certain depth, if continue to use short casing 22 protection hole walls, there will be the situation of undergauge, affect operation, short casing 22 is replaced with to long casing 24.Then under the effect of described lifting appliance, the vibrating hammer 23 of slinging, long casing 24 upper ends can be blocked by fastening devices in vibrating hammer 23 lower ends, and long casing 24 is applied to exciting force, make its operation of sinking.When vibrating hammer 23 sinks to long casing 24, utilize its plan-position of right-angled intersection line traffic control.
As shown in Figure 4, long casing 24 sinking certain depths, operative goals is mainly mud Backfilled Stone Layer 32, and there is certain thickness soil layer long casing 24 inside, and sinking frictional resistance strengthens.When long casing 24 sinks to running into, rockfill, during piece stone, stop vibrating hammer 23 work, adopt punching to grab cone 25 hand-holes and capture operations.
Punching is grabbed cone 25 and is adopted lifting appliance lifting, and punching is grabbed in cone 25 and is useful on the pig increasing the weight of, and lower end is provided with activity pulldown 251.When it is promoted to after certain altitude stroke, cone 25 whereabouts are grabbed in punching, and activity pulldown 251 is poured in steel casing soil stone, and the native stone of a part is smashed, and closes up interactive pulldown 251 and picks up a part of native stone, then promotes punching and grabs cone 25, rises to ground native stone is shed.
For rockfilling more greatly or piece stone of distributing in stake hole, cone 25 can repeatedly promote, fall repetition fragmentation, crawls are grabbed in punching, maybe will rockfill and extrude outside long casing 24.Cone 25 interior crawls and vibrating hammer 23 alternate cycles operation are successively grabbed in punching, until long casing 24 sinkings are put in place, a native stone part for lower end is crashed to pieces into hack stone 321, and a part is extruded outside long casing 24, in figure, extrude native stone 322.
As shown in Figure 5, after long casing 24 sinks to putting in place, start to enter good ground 33, for accelerating drilling construction progress, the stratum within the scope of 24 interior hole depths of long casing adopts Spiral digging machine 21 directly to excavate pore-forming.
The stratum of long casing below 24 is generally: silty clay, mucky soil, medium coarse sand, gravelly clay, be applicable to rotary drilling 21 machine constructions.Spiral digging machine 21 adopts drilling bucket to rotate and fetches earth, mud off technique.Revolve while scraping out hole, adjust in time the height of mud property and mud liquid level, guarantee to use premium mud, to guarantee the stable of hole wall.
As shown in Figure 6, hole behind whole hole, carry out in time hole subdrilling slag cleaning, change in time slurry, transfer reinforcing cage, and pour into pile concrete.After pile concrete has poured into, adopt immediately 23 pulling casings 24 of vibrating hammer.When 24 of vibrating hammers pull out, the pine that first in original place, long casing 23 shaken, and then slowly rise and pull out.
24 of long casings pull out and adopt double fastener to hold vibrating hammer 23, because exciting force is larger with load, select 50t crawler crane that vibrating hammer 23 is sling, and long casing 24 is risen and pulls out operation.Complete whole Deep Bored Piles operation.
Efficient castinplace pile equipment 2 in the present embodiment has the following advantages:
(1) speed of fulfiling hole is fast
Pore-forming technique, mainly, in vibrating hammer 23, the reasonable rotation of rushing plant equipment such as grabbing cone 25, Spiral digging machine 21, optimum organization construction, constructs with strong points, and pore-forming is effective, and speed of application is fast.This engineering method efficiency of construction is 2/balcony, is 8 times of single impact holing technique.
(2) quality is guaranteed
Owing to having taked long casing 24 to carry out retaining wall, the deep Backfilled Stone Layer in top collapse undergauge, the diffusion of hole and mud have been avoided, guarantee the injection slip casting effect of high-pressure rotary-spray between soldier pile, prevented preferably the seepage of pattern foundation pit supporting structure, guaranteed the construction quality of support system.
(3) construction cost is relatively low.
Compare with single impact holing technique, show:
1. speed of application is fast, and unit overall efficiency is high, and mechanical execution cost is relatively low;
2. profound casing 24 retaining walls, concrete diffusion while having avoided concrete piles perfusion, fullness coefficient is effectively controlled, and has reduced direct cost; Between the fullness coefficient average out to 1.53 of impact holing in such stratum, and the fullness coefficient of this engineering method is on average generally 1.20.
3. in work progress, do not use mud circulation, greatly reduced the use amount of mud and the outer freight volume of useless slurry waste residue, reduced construction cost.
(4) clean, the field control in place is simplified.
It is mainly manifested in construction and does not use mud circulation, and scene is no longer muddy, and place is more clean, and site operation environment is improved greatly.
Compared with prior art, the efficient castinplace pile equipment 2 in the present embodiment, when pore-forming, adopts vibrating hammer 23 or hydraulic means to be lowered to profound casing 24 for the top section of rockfilling, and can effectively prevent a serious problem of hole undergauge; Adopt punching to grab cone 25 to capture, rely on punching to grab the superpower impact forces of cone 25 running into 32 of top mud Backfilled Stone Layers, can will rockfill fragmentation or extrude beyond long casing 24, guarantee by just long casing 24 smoothly sinking put in place; Long casing 24 enters in mud bottom, bottom or silty clay, can effectively avoid the hole impact of collapsing of miscellaneous fill and mud, and hole quality is guaranteed; Stake stratum, hole for long casing below 24, adopts Spiral digging machine 21 pore-formings, both accelerating construction progresses, and speed of fulfiling hole is fast, avoids again producing a large amount of mud waste residues, realizes environmental protection construction.
A cubic metre of earth outward transport is a large principal element of engineering constraint construction speed at present, and especially useless slurry waste residue is transported outward difficult treatment especially.This engineering method has lacked circulation in mud hole, has greatly reduced the daily management work such as waste mud storage, outward transport, and on-the-spot temporary road, equipment are put and can be become more orderly, and corresponding management link is simplified greatly.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. efficient castinplace pile equipment, comprises for rotating the Spiral digging machine of punching, it is characterized in that, also comprises long casing for preventing undergauge, for smashing and take out rushing of native stone, grabs cone and grab cone and stretch into the lifting appliance that described long casing moves for controlling described punching.
2. efficient castinplace pile equipment as claimed in claim 1, is characterized in that, also comprises the vibrating hammer for long casing described in vibration-sunk, and described vibrating hammer upper end is connected to another lifting end of described lifting appliance.
3. efficient castinplace pile equipment as claimed in claim 1, is characterized in that, described punching grabs that cone is inner is provided with the counterweight for increasing the weight of, and lower end is provided with and can controls the activity pulldown of closing up, and described activity pulldown front end is set to tip.
4. the efficient castinplace pile equipment as described in claims 1 to 3 any one, is characterized in that, also comprises for coordinating the short casing of punching.
5. efficient castinplace pile equipment as claimed in claim 4, is characterized in that, described vibrating hammer lower end is provided with the clamping structure for fixing described long casing or short casing that can folding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320428669.1U CN203403404U (en) | 2013-07-15 | 2013-07-15 | High-efficiency cast-in-place pile device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320428669.1U CN203403404U (en) | 2013-07-15 | 2013-07-15 | High-efficiency cast-in-place pile device |
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| CN203403404U true CN203403404U (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320428669.1U Expired - Fee Related CN203403404U (en) | 2013-07-15 | 2013-07-15 | High-efficiency cast-in-place pile device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149683A (en) * | 2015-04-23 | 2016-11-23 | 五冶集团上海有限公司 | A kind of cast-in-place pile construction method using double casing to pass through deep metalling |
| CN107701109A (en) * | 2017-09-08 | 2018-02-16 | 浙江江南春建设集团有限公司 | The sand foundation of stone flour containing block bored concrete pile drilling preprocess method |
| CN108193672A (en) * | 2017-12-25 | 2018-06-22 | 上海建工二建集团有限公司 | One kind, which is enclosed, a little beats round type large area stone-filled region spiral-digging pore construction process of bored concrete pile |
| CN110984893A (en) * | 2019-10-29 | 2020-04-10 | 中冶交通建设集团有限公司 | Punching and grabbing drilling device and using method thereof |
| CN111021948A (en) * | 2019-12-30 | 2020-04-17 | 深圳市盛业地下工程有限公司 | Pile foundation combination equipment for rapid pore-forming of complex geology |
| CN113669003A (en) * | 2021-08-05 | 2021-11-19 | 深圳宏业基岩土科技股份有限公司 | Deep rockfill and sludge area breast wall hole forming construction method |
-
2013
- 2013-07-15 CN CN201320428669.1U patent/CN203403404U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149683A (en) * | 2015-04-23 | 2016-11-23 | 五冶集团上海有限公司 | A kind of cast-in-place pile construction method using double casing to pass through deep metalling |
| CN107701109A (en) * | 2017-09-08 | 2018-02-16 | 浙江江南春建设集团有限公司 | The sand foundation of stone flour containing block bored concrete pile drilling preprocess method |
| CN108193672A (en) * | 2017-12-25 | 2018-06-22 | 上海建工二建集团有限公司 | One kind, which is enclosed, a little beats round type large area stone-filled region spiral-digging pore construction process of bored concrete pile |
| CN110984893A (en) * | 2019-10-29 | 2020-04-10 | 中冶交通建设集团有限公司 | Punching and grabbing drilling device and using method thereof |
| CN110984893B (en) * | 2019-10-29 | 2021-12-24 | 中冶交通建设集团有限公司 | Punching and grabbing drilling device and using method thereof |
| CN111021948A (en) * | 2019-12-30 | 2020-04-17 | 深圳市盛业地下工程有限公司 | Pile foundation combination equipment for rapid pore-forming of complex geology |
| CN113669003A (en) * | 2021-08-05 | 2021-11-19 | 深圳宏业基岩土科技股份有限公司 | Deep rockfill and sludge area breast wall hole forming construction method |
| CN113669003B (en) * | 2021-08-05 | 2023-12-15 | 深圳宏业基岩土科技股份有限公司 | Construction method for wall protection pore-forming in deep filled stone and silt region |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN GONGKAN GEOTECHNICAL GROUP CO., LTD. Free format text: FORMER NAME: SHENZHEN GONGKAN GEOTECHNICAL ENGINEERING CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518000 Guangdong city of Shenzhen province Futian District Fu Road Fujing building 3 building 20-21 layer Patentee after: Shenzhen Gongkan Geotechnical Group Co., Ltd. Patentee after: Third Construction Engineering Co., Ltd. of China Construction Second Engineering Bureau Address before: 518026 Guangdong city of Shenzhen province Futian District Fu Road King Fook building, block 20-22 Patentee before: Shenzhen Gongkan Geotechnical Engineering Co., Ltd. Patentee before: Third Construction Engineering Co., Ltd. of China Construction Second Engineering Bureau |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20180715 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |