CN204875770U - One shot forming strength core composite pile becomes stake machinery - Google Patents
One shot forming strength core composite pile becomes stake machinery Download PDFInfo
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- CN204875770U CN204875770U CN201520619496.0U CN201520619496U CN204875770U CN 204875770 U CN204875770 U CN 204875770U CN 201520619496 U CN201520619496 U CN 201520619496U CN 204875770 U CN204875770 U CN 204875770U
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Abstract
The utility model relates to an one shot forming strength core composite pile becomes stake machinery, chassis install in hydraulic pressure stride mechanism, and the bottom of pylon is articulated with the chassis, the unit head sets up at the top of pylon, the power output shaft of unit head and the top fixed connection of drilling rod, the drill bit is articulated with the drilling rod bottom for formation concrete mud jacking mouth is crept into and opens to the closure, the setting of cutting blade is in the bottom of drilling rod, the drilling rod is the hollow tube, and the bottom is equipped with grout whitewashing mouth, and inside is equipped with independent grout conveyer pipe, and pipe and grout pump station intercommunication are passed through with grout whitewashing mouthful intercommunication, top in its bottom, the concrete pump station is through the interior hollow part intercommunication of pipe and drilling rod. This machinery has been realized strength core composite pile's one -tenth stake promoting the stirring pile bearing capacity by a wide margin, and effective worker back ground that reduces subsides, the prefabricated core pile of cast in situ concrete core pile has practiced thrift the cost, one shot forming has avoided secondary core pile pore -forming or has squeezed into the weakening to stirring stake intensity, the core pile construction need not to press the stake device alone, has simplified the apparatus.
Description
Technical field
The utility model relates to technical field of building construction, particularly geotechnical engineering mechanized equipment technical field, specifically refers to one-shot forming strength core composite pile forming machinery.
Background technology
China coast city, and the area such as river basin, inland is usually distributed with the Soft Soil Layers such as large area mud or mucky soil, be characterized in low bearing capacity, poor stability, large as ground later stage deflection, for meeting building, roadbed or ground equivalent-load power and requirement of settlement control, stiffening basic ground must be carried out to it.The cement mixing method that conventional large area or long transmission line Soft Ground are commonly used, cement flour or cement paste is sprayed into exactly in weak soil, through and weak soil mix after condensation cure weak soil become the lower cement earth pile of a kind of intensity, can promote to a certain extent bearing capacity of foundation soil and reduce settlement after construction.The problem of traditional cements soil stake is, one is limited to the raising of bearing capacity of foundation soil, and process groundwork posterior settlement is still larger; Two is simply affect by construction equipment and technique, and pile quality does not often reach designing requirement, and the problems such as stirring is uneven, broken pile, multi-layer steamed bread very easily occur, and construction quality is difficult to ensure.For a long time, cement-soil mixing pile machine tool is all that simple agitation drill bit adds a grout pipe line formation, and grout pipe line is and directly utilizes hollow drill pipe, and equipment is simple, operate simple and easy, but consolidation effect is limited.
For solving the problem, number of patent application CN201220739902 proposes a kind of static pressure, stirring compound pile machine, comprise mixing pile machine main body and Static pressure pile driver main body, during construction, first by mixing pile machine main body construction cement mixing method, to be constructed the strength core stake such as preformed pile by Static pressure pile driver static pressure in agitation pile again after completing, realize the lifting to Soil-cement pile capacity.This patent is the combination of two cover machineries and the use that continues, and because increasing static pressure or the build increase of hammering device machinery is comparatively large, mobile do not have former pure mixing pile machine slim and graceful, and stake machine cost is higher.This compound pile cannot one-shot forming, first need complete agitation pile, and the stake of rear lifting press-in strength core, need move ram machine construction, and be preformed pile because of what squeeze in addition, whole Composite foundation construction cost is higher.
Number of patent application 200910062925.8 proposes a kind of multidirectional cement-soil or mortar cored churning piling machinery, its core is also the construction first being completed cement mixing method by conventional equipment, and before cement-soil solidification, utilize the core stake pile pressing device be arranged on a machine, prefabricated pile core is pressed in agitation pile, completes the pile of core mixing pile.Although compare CN201220739902 patent to optimize forming machinery, construction machinery cost is still far above light water earth agitation pile forming machinery; Its pile pressing device complex process, required piling power consumption is large; When carrying out core pile driving construction, pile pressing device need aim at agitation pile center again, very easily causes bias; Core stake is prefabricated pile core, can significantly promote composite foundation engineering cost.
Summary of the invention
The technical Problems existing of core compound pile is added with existing for existing traditional agitation pile, the utility model object is to provide a kind of one-shot forming strength core composite pile forming machinery that simultaneously can form cement mixing method and the stake of cast-in-situ concrete core, one-shot forming can realize the powerful core composite pile of height that a kind of periphery is cement mixing method, center is cast-in-situ concrete by this machinery.
For achieving the above object, the utility model adopts following technical scheme: one-shot forming strength core composite pile forming machinery, comprises hydraulic moving mechanism mechanism, underframe, pylon, unit head, cement paste pumping plant, concrete pumping plant, drilling rod, cutting blade and drill bit; Described underframe is installed in hydraulic moving mechanism mechanism, and pylon is arranged on underframe, and the bottom of pylon and underframe are articulated and connected; Described unit head is arranged on the top of pylon, and the power output shaft of unit head is fixedly connected with the top of drilling rod; Described drill bit is arranged on the bottom of drilling rod, and drill bit and drilling rod are rotatably connected, and described cutting blade is arranged on the bottom of drilling rod, and is positioned at the top of drill bit; Described drilling rod is hollow section, has cement paste mouth spray bottom it, is provided with independent cement paste conduit in drilling rod, and the bottom of this independent cement paste conduit is communicated with cement paste mouth spray, and top is communicated with cement paste pumping plant by cement paste conduit; Described concrete pumping plant is communicated with the hollow parts in drilling rod by tremie.
As optimization, also comprise hoist engine, described hoist engine is fixedly installed on underframe; Described unit head is connected with hoist engine by steel strand, and steel strand coordinate with the fixed pulley being arranged on tower top.
As optimization, described drill bit and drilling rod are rotatably connected by bolt.
As optimization, the outer ledge of described cutting blade is zigzag.
Relative to prior art, the utility model tool has the following advantages: the one-shot forming strength core composite pile forming machinery that the utility model provides, for successfully completing the construction of the high powerful core composite pile of one-shot forming, achieve the reduction of significantly lifting and the settlement after construction of pile body bearing capacity; Core pile driving construction, without the need to independent pile pressing device, carries out with mixing pile construction simultaneously, once completes, simplify construction technology, accelerate construction speed; Adopt cast-in-situ concrete pressure to fill with and form core stake, comparatively prefabricated pile core has saved cost greatly; Core stake, by formation proposed by drilling rod, remains at the axis part of cement earth pile, ensure that pile quality; This machinery achieves cast-in-situ concrete core stake one-shot forming, and without the need to pile extension, ensure that pile quality, efficiency of construction is higher, and construction costs is reduced greatly.
Accompanying drawing explanation
Fig. 1 is one-shot forming strength core composite pile forming machinery front view.
Fig. 2 is one-shot forming strength core composite pile forming machinery lateral view.
Fig. 3 is one-shot forming strength core composite pile forming machinery top view.
In figure: 1-hydraulic moving mechanism mechanism, 2-underframe, 3-hydraulic power unit, 4-hoist engine, 5-tilted supporter, 6-fixed pulley, 7-pylon, 8-steel strand, 9-unit head, 10-drilling rod, 11-independence cement paste conduit, 12-cut blade, 13-drill bit, 14-cement paste conduit 15-cement paste pumping plant, 16-tremie, 17-concrete pumping plant.
Detailed description of the invention
In description of the present utility model, it will be appreciated that, orientation or the position relationship of the instruction such as term " top ", " end ", " interior ", " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
Below in conjunction with accompanying drawing, the utility model is described in further detail:
One-shot forming strength core composite pile forming machinery, comprises hydraulic moving mechanism mechanism 1, underframe 2, hoist engine 4, tilted supporter 5, pylon 7, unit head 9, cement paste pumping plant 15, concrete pumping plant 17, drilling rod 10, cuts blade 12 and drill bit 13.
Underframe 2 is installed in hydraulic moving mechanism mechanism 1, and pylon 7 is arranged on underframe 2, and the bottom of pylon 7 and underframe 2 are articulated and connected.Pylon 7 and underframe 2 assembly type achieving both that is articulated and connected is spliced, and both can separately transport, and assemble to scene again, solve a transport difficult problem for this kind of big machinery.
Described tilted supporter 5 is articulated and connected with pylon 7 and underframe 2 respectively.Achieve underframe 2 and the connection on pylon 7 top by tilted supporter 5, successfully secure the upright position of pylon 7, enhance the globality of forming machinery.
Described hoist engine 4 is fixedly installed on underframe 2.Unit head 9 is connected with hoist engine 4 by steel strand 8, and steel strand 8 coordinate with the fixed pulley 6 being arranged on pylon 7 top.Hoist engine 4 provides power, by the connection of steel strand 8, successfully realizes lifting and the decline of unit head 9 and drilling rod 10.When hoist engine 4 is elevated weight, namely promote unit head 9 and be connected with unit head 9 component time, the work that the underframe 2 be fixedly connected with is hoist engine 4 provides fixing counter-force.
Unit head 9 is arranged on the top of pylon 7, and the power output shaft of unit head 9 is fixedly connected with the top of drilling rod 10, drives drilling rod to rotate, and concrete drilling rod 10 is bolted to connection with the power output shaft of unit head 9.
Drill bit 13 is arranged on the bottom of drilling rod 10, and drill bit 13 and drilling rod 10 are rotatably connected, and when specifically implementing, drill bit 13 and drilling rod 10 are rotatably connected by bolt.Drill bit 13 and drilling rod 10 are connected to form by bolt can open type knot that can be undone by a pull, sinking in process for creeping into soil layer, carry drill bit 13 in the process of drilling rod 10 rotate with bolt-center upper, thus the drill bit 13 that can automatically open forms concrete spraying mouth with drilling rod 10.
Described cutting blade 12 is arranged on the bottom of drilling rod 10, and is positioned at the top of drill bit 13.The outer ledge cutting blade 5 is zigzag, cuts the bottom that blade is welded in drilling rod for a pair, for stirring the soil body.
Drilling rod 10 is hollow section, has cement paste mouth spray 12 bottom it, is provided with independent cement paste conduit 11 in drilling rod 10, and independent cement paste conduit 11 is fixed in drilling rod 10 by the mode of welding.The bottom of this independent cement paste conduit 11 is communicated with cement paste mouth spray 12, and the top of independent cement paste conduit 11 is communicated with cement paste pumping plant 15 by cement paste conduit 14; The cement paste entered in independent cement paste conduit 11 flows to cement paste mouth spray 12 by this cement paste conduit 11 and sprays.
Described concrete pumping plant 17 is communicated with the hollow parts in drilling rod 10 by tremie 16.
One-shot forming strength core composite pile forming machinery of the present utility model, hydraulic power unit 3 provides power, is moved by hydraulic moving mechanism mechanism 1, makes drilling rod 10 align piles position, start unit head 9, after unit head 9 rotating speed is normal, drive the drilling rod 10 of construction machinery and drill bit 13 to enter along guide edge rotary cutting earth boring auger downwards, work as drilling to completion, open water mud pumping plant 15, by cement paste conduit 14, cement paste is inputted in the independent cement paste conduit 11 of drilling rod 10, and inject soil layer by drilling rod 10 bottom water mud mouth spray 12, and promoting drilling rod 10 and drill bit 13, lifting limit, limit is stirred, until stake top mark is high, drilling rod 10 and drill bit 13 sinking are crept into and promote the number of repetition stirring whitewashing after being designed absolute altitude at the bottom of stake, and foundation need reinforce soil layer situation and design needs to determine, creep into projected depth at drilling rod 10 and the last sinking stirring of drill bit 13, open concrete pumping plant 17, by tremie 16, concrete is pressed into the hollow parts of drilling rod 10, stir simultaneously and promote drilling rod 10 and drill bit 13, drill bit 13 concrete ejiction opening blade is untied magnetic and is opened under concrete gravity and pumping pressure effect, in the hollow hole of centre that concrete injection drilling rod 10 withdrawal process is formed, in the independent cement paste conduit 11 of the drilling rod 10 of cement paste input simultaneously, and inject soil layer by drilling rod 10 bottom water mud mouth spray 12, until carry, to be drilled into a top mark high, terminate the construction of the powerful core composite pile of cast-in-place height.
One-shot forming strength core composite pile forming machinery, achieves the lifting to traditional cements soil agitation pile bearing capacity; Without the need to align piles position again in core stake formation of pile, ensure that pile quality; Achieve the stake of cast-in-situ concrete core first and cement mixing method uses same mechanical one-shot forming to construct, simplify technique, accelerate the duration, greatly saved engineering cost.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (4)
1. one-shot forming strength core composite pile forming machinery, is characterized in that: comprise hydraulic moving mechanism mechanism (1), underframe (2), pylon (7), unit head (9), cement paste pumping plant (15), concrete pumping plant (17), drilling rod (10), cut blade (12) and drill bit (13);
Described underframe (2) is installed in hydraulic moving mechanism mechanism (1), and pylon (7) is arranged on underframe (2), and the bottom of pylon (7) and underframe (2) are articulated and connected;
Described unit head (9) is arranged on the top of pylon (7), and the power output shaft of unit head (9) is fixedly connected with the top of drilling rod (10);
Described drill bit (13) is arranged on the bottom of drilling rod (10), and drill bit (13) and drilling rod (10) are rotatably connected, described cutting blade (12) is arranged on the bottom of drilling rod (10), and is positioned at the top of drill bit (13);
Described drilling rod (10) is hollow section, there is bottom it cement paste mouth spray (12), independent cement paste conduit (11) is provided with in drilling rod (10), the bottom of this independent cement paste conduit (11) is communicated with cement paste mouth spray (12), and top is communicated with cement paste pumping plant (15) by cement paste conduit (14);
Described concrete pumping plant (17) is communicated with the hollow parts in drilling rod (10) by tremie (16).
2. the core of one-shot forming strength as claimed in claim 1 composite pile forming machinery, is characterized in that: also comprise hoist engine (4), described hoist engine (4) is fixedly installed on underframe (2);
Described unit head (9) is connected with hoist engine (4) by steel strand (8), and steel strand (8) coordinate with the fixed pulley (6) being arranged on pylon (7) top.
3. the core of one-shot forming strength as claimed in claim 1 or 2 composite pile forming machinery, is characterized in that: described drill bit (13) and drilling rod (10) are rotatably connected by bolt.
4. the core of one-shot forming strength as claimed in claim 3 composite pile forming machinery, is characterized in that: the outer ledge of described cutting blade (5) is zigzag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520619496.0U CN204875770U (en) | 2015-08-17 | 2015-08-17 | One shot forming strength core composite pile becomes stake machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520619496.0U CN204875770U (en) | 2015-08-17 | 2015-08-17 | One shot forming strength core composite pile becomes stake machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204875770U true CN204875770U (en) | 2015-12-16 |
Family
ID=54820162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520619496.0U Withdrawn - After Issue CN204875770U (en) | 2015-08-17 | 2015-08-17 | One shot forming strength core composite pile becomes stake machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204875770U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442589A (en) * | 2015-08-17 | 2016-03-30 | 建设综合勘察研究设计院有限公司 | Stiffening core composite pile one-time forming machine |
| CN107794914A (en) * | 2017-10-20 | 2018-03-13 | 宁波大学 | A kind of combination post jacking and the prestressed concrete pipe pile of expanding technology and preparation method thereof |
| CN108487859A (en) * | 2018-04-02 | 2018-09-04 | 李相峰 | The construction method of electric power wind tower ring foundation |
| CN114562301A (en) * | 2022-03-01 | 2022-05-31 | 浙江鸿晨建设有限公司 | Construction method of foundation pit supporting system with diagonal bracing piles |
-
2015
- 2015-08-17 CN CN201520619496.0U patent/CN204875770U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442589A (en) * | 2015-08-17 | 2016-03-30 | 建设综合勘察研究设计院有限公司 | Stiffening core composite pile one-time forming machine |
| CN107794914A (en) * | 2017-10-20 | 2018-03-13 | 宁波大学 | A kind of combination post jacking and the prestressed concrete pipe pile of expanding technology and preparation method thereof |
| CN108487859A (en) * | 2018-04-02 | 2018-09-04 | 李相峰 | The construction method of electric power wind tower ring foundation |
| CN114562301A (en) * | 2022-03-01 | 2022-05-31 | 浙江鸿晨建设有限公司 | Construction method of foundation pit supporting system with diagonal bracing piles |
| CN114562301B (en) * | 2022-03-01 | 2024-04-12 | 浙江鸿晨建设有限公司 | Construction method of foundation pit supporting system with inclined supporting piles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151216 Effective date of abandoning: 20180330 |