CN1064722A - At the bottom of a kind of expansion/footpath castinplace pile forming method and stake tool thereof - Google Patents
At the bottom of a kind of expansion/footpath castinplace pile forming method and stake tool thereof Download PDFInfo
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- CN1064722A CN1064722A CN 91106950 CN91106950A CN1064722A CN 1064722 A CN1064722 A CN 1064722A CN 91106950 CN91106950 CN 91106950 CN 91106950 A CN91106950 A CN 91106950A CN 1064722 A CN1064722 A CN 1064722A
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- hole enlargement
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Abstract
Involved in the present invention is a kind ofly can enlarge the pipeline sinking pile tool and the hole-enlargement pile forming method at the pile body a part and/or the stake end along the pile body length direction by feeding intake in the pipe.It is characterized in that stake manages one end at least one head and a hinged at least removable cover that can seal the mouth of pipe that enlarges arranged, and the haulage gear of the said cover plate of connection closed, with flexible, the complete opening that reaches closed cover with close.Existing hole enlargement pipeline sinking pile tool of the present invention and hole-enlargement pile forming method, it is simple, easy to operate to have a stake structure of signing an undertaking, and can realize the hole enlargement of pile body any part, and hole enlargement is effective, the pile quality height.Can be widely used in the hole enlargement pile of stakes such as various in-site pouring steel concrete, concrete, sand, rubble, flyash.
Description
The present invention relates to feed intake in a kind of pipe, can in formation of pile, enlarge the immersed tube bored method for forming pile and the stake tool thereof of the stake end and/or pile body as required.
Enlarge pile body (directly) any part and/or stake bottom, can improve the supporting capacity of stake, give full play to a unit volume load, save the pile foundation cost.Existing hole enlargement pipeline sinking pile tool, as the compaction pile tool, it is made up of the stud pipe of bottom end opening and the interior stake pipe of similar shape bottom sealing, not only stake tool manufacturing cost height, and constructing operation complexity, hole enlargement feeds intake, need interior stake pipe is extracted, trouble, bothersome, it is low to build a work efficiency.A general suitable stake bottom hole enlargement, and general of hole enlargement material should once all drop into rapping, hole enlargement weak effect.
Chinese patent 89217296,7 disclosed a kind of improvement flap valve stake tools as Fig. 1, but utilize the flap valve of single stake pipe and bottom folding, and reach and open material filling closure (binder) hole enlargement, though omitted stake pipe in, and can be in the hole enlargement of pile body any part.Its weak point is when the binder hole enlargement, the closure of each movable limb is when pressing down by the stake pipe, the suffered resistance in movable limb dorsal part inclined-plane, end, because limb is many, when closed, easily because of building stake material (as stone) clip or closed inconsistency, can not reach closed sealing stake pipe in full force and effect (mouth), and be difficult for again being found and getting rid of, so that whitewash in (material), influence the hole enlargement effect; Be the stake point of sharp cone distal, the hole enlargement effect is not good enough yet.Secondly, the flap valve sheet is opened not thorough, and the existence of interior prominent closed limited block, when playing pipe as building reinforced concrete pile, very easily colludes and hangs reinforcing cage and influence pile quality.In addition, the closed inconsistency of each flap valve sheet easily causes limb staggered, damages the flap valve sheet during rapping hole enlargement easily.
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, easy to operate, can in formation of pile, optionally enlarge the pile body any part, and tube end can reach effective closure when hole enlargement, when playing a pipe and build, do not collude the extension reinforcing cage, can guarantee the novel pipeline sinking pile tool of hole enlargement effect and pile quality.
Another purpose of invention is to provide a kind of and is used to build at the bottom of the high-quality expansion and/or the forming method of hole-enlargement pile.
For achieving the above object, basic design of the present invention is in stake tool end (end) portion one removable cover to be set, and make a tool (its termination portion at least) have one with respect to the enough big cross section of stake orate (being at least termination portion endoporus), to guarantee opening and closing flexibly of cover plate.Specifically, stake tool of the present invention comprises the stake pipe, the one end has a head and the hinged at least removable cover that can seal the mouth of pipe that enlarges to it is characterized in that managing described stake at least, and the haulage gear of the said cover plate of connection closed, described head is the Breadth Maximum that rotates according to hinge greater than closed cover of its hinged closures axial width at least in case of necessity.
Stake pipe of the present invention (interior and/or outer) can be any geometric cross section, and removable cover is hinged on stake pipe/or enlarged head end by moveable hinge, rotates around hinge, opens or seal the mouth of pipe.Cover plate can be one, also can be polylith, is excellent with one especially wherein, is mainly used in sealing stake pipe inner port, the pore-forming inlet pipe and the companding timber pile footpath that shakes.Cross section that its periphery encloses preferably is slightly larger than cross section in the stake pipe, stops the location cover plate according to the stake thickness of pipe wall when making the sealing mouth of pipe, it is dashed oppositely because of shaking open.Haulage gear is to help to mention, close the cover plate of unlatching, and make it to remain closed, simultaneously also indirectly the show events cover plate close situation, with effectively closing of assurance cover plate.Haulage gear can be the software pull rope, and as wire rope, reinforcing bar, chain etc. or other similar tractions, lifting device, the one end is fixed on the cover board, and the other end rises to the upper end along stake pipe (interior or outer).The described end of one at least has the stake pipe of an enlarged head, said expansion is meant that the outer cross section of stake pipe is big than its endoporus and/or closed cover, exactly be enough big, it can be that the outer cross section of whole stake pipe is big with respect to endoporus, as endoporus is circular or leg-of-mutton square stanchion pipe, can also be only stake pipe end or close end outside the cross section with respect to endoporus for greatly.Mainly be in the soil layer that creeps into, to cause one to be enough to make cover plate flexibly and/or the space of complete opening (sagging), its cross sectional shape can with stake pipe or endoporus similar shape, also special-shaped, when building as reinforced concrete pile, the Breadth Maximum that its hinged closures axial width is rotated according to hinge greater than closed cover, to guarantee to cover (vertically) unlatching fully in the soil layer hole, do not make it open insufficient reinforcing cage that holds in the palm, colludes because of cover plate.Wherein a kind of way preferably is for managing positive rectangle of terminal outside socket or arch (cutting two angles) sleeve pipe as circular stake.When no-reinforcing-bar cage stakes such as some placing such as sand, rubble, flyash, as long as the terminal head of a stake pipe cross section can cause the flexible unlatching of cover plate also can.
Expand the forming method of the end and/or footpath stake, for above-mentioned stake tool is deep to required design ultimate depth and or required hole enlargement outside, expose face of land end at the stake pipe and pour into required hole enlargement (greatly) material, suitably carrying (pulling out) stake tool makes the part or all of cover plate from the sagging unlatching in bottom of stake tool of hole enlargement material fall to position, required hole enlargement hole, the pulling draw-gear, close described cover plate, the stake of rapping stake tool extruding downwards material.Can be single pile tool (blank pipe) inlet pipe to the soil layer inlet pipe time, also can be to be marked with stake material inlet pipe in the tool pipe.When tool was mentioned in material filling in the hole, generally its maximum lifting height should be equal to or less than hole enlargement material in the tool and fall to actual maximum height in the hole, is mingled with to prevent undergauge or mud, water, influences pile quality.When expanding the end or enlarging a certain position of pile body, required hole enlargement material can once all pour in the hole and push, and also graded pours into the gradation extruding, wherein especially with the latter's hole enlargement effect for well.
Description below in conjunction with drawings and Examples further specifies the present invention.
Figure one improves flap valve stake tool schematic diagram for prior art.
Figure two is a kind of structural representation of the embodiment of the invention.
Figure three is figure two vertical views.
Figure four is figure two cover plate opening schematic diagrames.
Figure five is another kind of haulage gear schematic diagram.
Figure six is for expanding end process schematic diagram.
Figure seven expands hole enlargement process schematic diagram at the end.
Embodiment one: being socketed with a cross sectional shape in the outside, bottom of cylindrical stake pipe 1 is positive rectangle cylindrical shell 2, stake pipe bottom face rectangle on one side on (to) be fixed with moveable hinge 3 and block 4, the hinged slightly larger in diameter of moveable hinge is in the removable cover 5 of stake pipe orifice.The downward side of cover plate has a taper thickening part 6, has both increased cover plate intensity, can reduce tool inlet pipe resistance in soil layer again, also can make cover plate spacing in stopping of block 4 after unlatching in addition, departs from drop wire slightly, helps traction and closes cover plate.One steel wire traction rope, 7, one ends are fixed on the cover plate inboard, and the other end rises to stake pipe upper port along the stake inside pipe wall.Be the protection pull rope, reduce friction and/or prevent to collude the extension reinforcing cage, be provided with pull rope pillar 9 at the stake inside pipe wall.Close the cover plate of unlatching for ease of traction, one cantilever arm 8 is set at stake pipe close end inwall, spacing wire rope, making it to open the rear haulage rope at cover plate has a small inclination.
When building, as figure six, inlet pipe (when also being marked with the stake material in the stake tool) is to designing ultimate depth, to the stake tool once (also graded) inject hole enlargement material (can omit this step) and unclamp pull rope as injecting, mention a tool while vibrating, make the part (also can all) of hole enlargement material be poured into required hole enlargement position, pulling steel wire traction rope is closed cover plate, as the pull rope original length of pull-up not, illustrate that then cover plate fails to close fully, can continue pulling wire rope, cover plate be closed fully, following piling tool while vibrating, the stake material that injects soil squeeze (pressures) to around, form expansion for the first time.Vibration is also suitably mentioned a tool again, and Xiang Kongzhong pours into part hole enlargement material, closes cover plate and presses down a tool, repeats several times, until a design hole-enlargement pile material all is pressed in the hole.Carry pipe (at every turn), a stake tool is mentioned height and should be less than or equal to stake material and fall to actual height in the hole, for guaranteeing to accomplish, puies forward pipe speed and should suitably control.After expanding the end, as the need hole enlargement, extremely required hole enlargement place is as figure seven carrying pipe material filling pile, and the repetition said process can enlarge this position diameter of pile body.Repeatedly hole enlargement can form cucurbit shape castinplace pile.Lay reinforcing cage as need on top, after then placing, pipe is carried in the vibration of material filling limit, limit, proposes ground until the stake tool.
Embodiment two: embodiment as described above, at the inner edge of polygonal pile pipe one lever and gear wheel traction piece 10 is set, and close cover plate to replace rope traction.
The present invention is owing to head and removable cover that expansion is set in stake tool bottom at least, and the draw-gear that helps to close cover plate, can make in formation of pile, enlarges the pile body position at needs, opens and seals the mouth of pipe flexibly, and can in time reflect the situation of closing.Thereby existing hole enlargement pipeline sinking pile tool has simple in structurely, easy to operate, and hole enlargement is effective, does not collude extension reinforcing cage, pile quality height again.The present invention can be widely used in the hole enlargement pile of stakes such as various in-site pouring steel concrete, concrete, sand, rubble, flyash.
Claims (10)
1, a kind of stake tool of forming by the stake pipe, the one end has a head and the hinged at least removable cover that can seal the mouth of pipe that enlarges to it is characterized in that managing described stake at least, and the haulage gear of the said cover plate of connection closed, described head is the Breadth Maximum that rotates according to hinge greater than closed cover of its hinged closures axial width at least in case of necessity.
2,, it is characterized in that described head is that a cross section is positive rectangle cylindrical shell according to described tool of claim 1.
3, according to described tool of claim 2, it is characterized in that described removable cover be a cross section greater than cross section in the stake pipe hush panel less than outer cross section.
4,, it is characterized in that the downward side of described removable cover has a taper thickening part according to described tool of claim 3.
5,, it is characterized in that described haulage gear is the software pull rope according to described tool of claim 4.
6,, it is characterized in that an inside pipe wall has a pull rope protection tube according to described tool of claim 5.
7, at the bottom of a kind of expansion and/or footpath method for forming pile, it is characterized in that comprising described tool of claim 1 is deep to required ultimate depth and/or required hole enlargement place, pour into required hole enlargement material from its upper end, suitably mentioning a tool makes the part or all of cover plate from the sagging unlatching in bottom of stake tool of hole enlargement material fall to required hole enlargement position, the pulling draw-gear, close described cover plate, following piling tool, extruding hole enlargement.
8, according at the bottom of the described expansion of claim 7 and/or footpath method for forming pile, when it is characterized in that in the hole tool is mentioned in material filling, apply a vibration force for simultaneously a stake tool, carry out smoothly to help material filling.
9, at the bottom of the described according to Claim 8 expansion and/or footpath method for forming pile, when it is characterized in that in the hole material filling, the maximum height that the stake tool is mentioned is equal to or less than hole enlargement material in the tool and falls to actual maximum height in the hole.
10, according at the bottom of the described expansion of claim 9 and/or footpath method for forming pile, it is characterized in that each hole enlargement is by the above material filling extrusion process of secondary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91106950 CN1064722A (en) | 1991-03-07 | 1991-03-07 | At the bottom of a kind of expansion/footpath castinplace pile forming method and stake tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91106950 CN1064722A (en) | 1991-03-07 | 1991-03-07 | At the bottom of a kind of expansion/footpath castinplace pile forming method and stake tool thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1064722A true CN1064722A (en) | 1992-09-23 |
Family
ID=4908326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91106950 Pending CN1064722A (en) | 1991-03-07 | 1991-03-07 | At the bottom of a kind of expansion/footpath castinplace pile forming method and stake tool thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1064722A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008049291A1 (en) * | 2006-10-25 | 2008-05-02 | Dexin He | Rotary excavating-squeezing-reaming-drilling machine and its drilling mothed |
| CN105649074A (en) * | 2016-03-22 | 2016-06-08 | 沙焕焕 | Tubular pile expansion concrete stiffened composite pile and construction method thereof |
| CN105735253A (en) * | 2016-03-01 | 2016-07-06 | 江苏东合南岩土科技股份有限公司 | Construction method for expansion head anti-pressing and anti-pulling pile |
| CN105887812A (en) * | 2016-04-29 | 2016-08-24 | 朱龙 | Single-pile-casing construction method for static pressure sinking pipe carrier cast-in-place pile |
| CN109252513A (en) * | 2018-11-14 | 2019-01-22 | 淮海工学院 | A kind of perfusion cucurbit pile construction method |
| CN111549769A (en) * | 2020-05-15 | 2020-08-18 | 中国电建集团成都勘测设计研究院有限公司 | Photovoltaic power generation pile foundation on-site construction method |
| CN113502813A (en) * | 2021-06-29 | 2021-10-15 | 华能灌云清洁能源发电有限责任公司 | Pile sinking |
-
1991
- 1991-03-07 CN CN 91106950 patent/CN1064722A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008049291A1 (en) * | 2006-10-25 | 2008-05-02 | Dexin He | Rotary excavating-squeezing-reaming-drilling machine and its drilling mothed |
| CN105735253A (en) * | 2016-03-01 | 2016-07-06 | 江苏东合南岩土科技股份有限公司 | Construction method for expansion head anti-pressing and anti-pulling pile |
| CN105735253B (en) * | 2016-03-01 | 2017-10-10 | 江苏东合南岩土科技股份有限公司 | A kind of construction method of enlarged footing resistance to compression uplift pile |
| CN105649074A (en) * | 2016-03-22 | 2016-06-08 | 沙焕焕 | Tubular pile expansion concrete stiffened composite pile and construction method thereof |
| CN105887812A (en) * | 2016-04-29 | 2016-08-24 | 朱龙 | Single-pile-casing construction method for static pressure sinking pipe carrier cast-in-place pile |
| CN109252513A (en) * | 2018-11-14 | 2019-01-22 | 淮海工学院 | A kind of perfusion cucurbit pile construction method |
| CN111549769A (en) * | 2020-05-15 | 2020-08-18 | 中国电建集团成都勘测设计研究院有限公司 | Photovoltaic power generation pile foundation on-site construction method |
| CN113502813A (en) * | 2021-06-29 | 2021-10-15 | 华能灌云清洁能源发电有限责任公司 | Pile sinking |
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| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |