CN212534102U - Lifting blade guniting double-shaft cement mixing pile rod - Google Patents
Lifting blade guniting double-shaft cement mixing pile rod Download PDFInfo
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- CN212534102U CN212534102U CN202020949500.0U CN202020949500U CN212534102U CN 212534102 U CN212534102 U CN 212534102U CN 202020949500 U CN202020949500 U CN 202020949500U CN 212534102 U CN212534102 U CN 212534102U
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Abstract
The utility model discloses a lift-up formula blade whitewashing biax cement mixing stake pole, including stirred tube, drill bit and a plurality of stirring vane, the lower extreme at the stirred tube is installed to the drill bit, and each stirring vane is from last to installing respectively down on the lateral surface of stirred tube, its characterized in that: the double-shaft cement mixing pile rod also comprises a slurry conveying pipe and a reamer, wherein the slurry conveying pipe extends into the inner part of the mixing pipe from the upper end of the mixing pipe and extends downwards along the mixing pipe; the reamer is arranged on the stirring pipe and is positioned between the drill bit and the stirring blade positioned at the lowest part, the reamer is provided with a cement paste distribution pipeline, the cement paste distribution pipeline is provided with a slurry inlet and a plurality of slurry outlets, the slurry inlet is communicated with the lower end of the slurry conveying pipe, each slurry outlet is communicated with the slurry inlet, and each slurry outlet is respectively provided with a nozzle. The double-shaft cement stirring pile rod can effectively and fully mix and stir the soft soil on the ground base part and the sprayed cement, so that the formed cement soil pile is firmer and has better quality.
Description
Technical Field
The utility model relates to a construction equipment, in particular to lift-type blade whitewashing biax cement mixing stake pole.
Background
In the construction of the existing impervious wall or waterproof curtain, a plurality of cement soil mixing piles which are closely arranged are generally adopted to form the impervious wall or the waterproof curtain. The cement-soil mixing pile is formed by using slurry cement as curing agent, making the mixing pile rod of mixing pile machine go deep into the deep portion of foundation, forcedly mixing soft soil and curing agent, utilizing curing agent and soft soil to make a series of physical and chemical reactions to make them coagulate into cement reinforced body with good integrity, water stability and high strength, and forming cement-soil pile in foundation.
At present, a mixing pile machine usually adopts a drilling and guniting mode in the construction process, cement guniting is carried out while a drill bit of a mixing pile rod gradually drills downwards, and mixing is carried out through a rotating blade. However, when the mixing pile rod is lifted up again in this way, the mixed soft soil and cement can be extruded by the mixing pile rod aside or lifted up along with the mixing pile rod, so that the content of cement in the cement pile is greatly reduced, and the formed cement pile is not compact enough, which affects the quality of reinforcement.
Disclosure of Invention
The utility model aims to solve the technical problem that an upward lifting type blade spraying biax cement mixing stake pole is provided, this kind of upward lifting type blade spraying biax cement mixing stake pole can be effectively fully mixed the stirring with the weak soil of basement portion and spun cement, makes the cement soil stake after the shaping firmer, and the quality is better.
In order to solve the technical problem, the technical scheme is as follows:
go up and carry formula blade whitewashing biax cement mixing stake pole, including agitator tube, drill bit and a plurality of stirring vane, the lower extreme at the agitator tube is installed to the drill bit, and each stirring vane is from last to installing respectively down on the lateral surface of agitator tube, its characterized in that: the lifting type blade guniting double-shaft cement mixing pile rod further comprises a slurry conveying pipe and a reamer, wherein the slurry conveying pipe extends into the stirring pipe from the upper end of the stirring pipe and extends downwards along the stirring pipe; the reamer is arranged on the stirring pipe and is positioned between the drill bit and the stirring blade positioned at the lowest part, the reamer is provided with a cement paste distribution pipeline, the cement paste distribution pipeline is provided with a slurry inlet and a plurality of slurry outlets, the slurry inlet is communicated with the lower end of the slurry conveying pipe, each slurry outlet is communicated with the slurry inlet, and each slurry outlet is respectively provided with a nozzle.
In the preferred scheme, the reamer comprises a reamer main body, a top cover plate and a bottom plate, the reamer main body is connected with the lower end of the stirring pipe, the top cover plate is installed at the top of the reamer main body, the bottom plate is installed at the bottom of the reamer main body, the top cover plate and the bottom plate enclose a reamer inner cavity, each nozzle is located in the reamer inner cavity, a plurality of upper through holes communicated with the reamer inner cavity are formed in the top cover plate, and a plurality of lower through holes communicated with the reamer inner cavity are formed in the.
Preferably, each of the nozzles is directed downward.
In the above-mentioned lift-type blade whitewashing biax cement mixing pile pole, for inside and outside double-barrelled structure, defeated thick liquid pipe is responsible for the whitewashing for the inner tube, the stirred tube is as stirring dedicated outer tube, the upper end of stirred tube is connected with driving motor's power take off end transmission, driving motor drives the stirred tube rotation when moving, when going deep into the ground, the drill bit drills, the hole site that the reamer was beaten out to the drill bit carries out the reaming, stirring blade smashes the stirring to the weak soil in the ground afterwards, the transport of cement thick liquid is not carried out in the defeated thick liquid pipe this moment. When the drill bit begins to be lifted up after penetrating deep into a specified depth, the slurry conveying pipe conveys the cement slurry, the cement slurry is conveyed to the cement slurry distribution pipeline through the slurry conveying pipe and then is sprayed out to a soil layer below the cement slurry through each nozzle through the slurry outlet, the stirring blades continue to smash and stir the soft soil, and the smashed soft soil flows downwards through the upper through hole of the reamer, the inner cavity of the reamer and the lower through hole and is combined with the sprayed cement slurry. Through adopting this kind of mode, at the in-process of upwards mentioning gradually of last formula blade whitewashing biax cement mixing stake pole, the shaping that makes progress in the below gradually of cement soil pile thereupon, the content of cement in the cement soil pile is not influenced during the shaping, and the cement thick liquid can fully combine with the weak soil in the ground, makes the cement soil pile after the shaping firmer. The upper and lower through holes are generally provided as fine holes through which only the slurry and the ground body are passed.
In a preferable scheme, the pipe walls of the stirring pipe and the slurry conveying pipe are provided with slurry spraying holes corresponding to the positions of the slurry spraying holes. The guniting holes on the stirring pipe are usually connected with the guniting holes on the corresponding slurry conveying pipe through connecting pipes. Through setting up the spouting hole, when the stirring vane who is located the enlarger top stirs, can further promote the shaping quality of cement soil pile by spouting hole spun cement thick liquid can with the weak soil misce bene of smashing.
In a further preferred embodiment, each of the stirring blades is detachably mounted on the stirring pipe. Stirring vane adopts the installation of detachable mode, uses the back for a long time, can dismantle and wash, to being in near the spouting hole of stirring vane, when blockking up, pull down stirring vane and also can conveniently clear up this spouting hole simultaneously.
In a preferred embodiment, each of the stirring blades is inclined from bottom to top in a tangential direction of the stirring pipe. When the stirring is mentioned to the formula blade spraying biax cement mixing stake pole of lifting on, stirring vane upper end is preceding, the lower extreme is at the back on the rotation direction of stirred tube, and stirring vane can push down the weak soil to make the combination of cement thick liquid and weak soil more closely knit.
The beneficial effects of the utility model reside in that: the lifting type blade guniting double-shaft cement mixing pile rod adopts a mode of guniting when lifting, so that the soft soil at the ground base part and the sprayed cement can be effectively and fully mixed and stirred, and meanwhile, the sprayed cement slurry cannot be influenced by the lifting of the lifting type blade guniting double-shaft cement mixing pile rod, so that the formed cement soil pile is firmer and has better quality.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the present invention, showing a double-shaft cement mixing pile rod with upper lifting type blade guniting;
fig. 2 is a top view of an underreamer in an embodiment of the present invention;
fig. 3 is a plan view of the reamer body according to an embodiment of the present invention.
Detailed Description
The invention will be further described with reference to the following drawings and specific embodiments:
the lift-type blade guniting double-shaft cement mixing pile rod shown in fig. 1-3 comprises a mixing pipe 1, a drill bit 2, a slurry conveying pipe 3, a reamer 4 and a plurality of mixing blades 5, wherein the drill bit 2 is installed at the lower end of the mixing pipe 1, the slurry conveying pipe 3 extends into the inner part of the mixing pipe 1 from the upper end of the mixing pipe 1 and extends downwards along the mixing pipe 1, the reamer 4 is installed on the mixing pipe 1 and is positioned between the drill bit 2 and the mixing blade 5 positioned at the lowest part, a cement slurry distribution pipeline 401 is arranged on the reamer 4, the cement slurry distribution pipeline 401 is provided with a slurry inlet 402 and a plurality of slurry outlets 403, the slurry inlet 402 is communicated with the lower end of the slurry conveying pipe 3, each slurry outlet 403 is communicated with the slurry inlet 402, each slurry outlet 403 is respectively provided with a nozzle 4031, and each nozzle 4031 faces downwards; each stirring vane 5 is from top to bottom respectively demountable installation on the lateral surface of agitator pipe 1, and each stirring vane 5 is from bottom to top slope on the tangential direction of agitator pipe 1.
The reamer 4 comprises a reamer body 404, a top cover plate 405 and a bottom plate 406, wherein the reamer body 404 is connected with the lower end of the stirring pipe 1, the top cover plate 405 is installed at the top of the reamer body 404, the bottom plate 406 is installed at the bottom of the reamer body 404, the top cover plate 405 and the bottom plate 406 enclose a reamer inner cavity 407, each nozzle 4031 is located in the reamer inner cavity 407, the top cover plate 405 is provided with a plurality of upper through holes 4051 communicated with the reamer inner cavity 407, and the bottom plate 406 is provided with a plurality of lower through holes (not visible in the figure) communicated with the reamer inner cavity 407.
In the above-mentioned lift-type blade whitewashing biax cement mixing pile pole, the upper end of stirred tubular 1 is connected with driving motor's power take off end transmission, and driving motor drives stirred tubular 1 rotatory when the operation, when going deep into the ground, drill bit 2 drills, and reamer 4 carries out the reaming to the hole site that drill bit 2 was beaten out, and stirring vane 5 smashes the stirring to the weak soil in the ground afterwards, does not carry out the transport of cement thick liquid in defeated thick liquid pipe 3 this moment. When the drill bit 2 starts to be lifted up after penetrating deep to a specified depth, the slurry conveying pipe 3 conveys the cement slurry, the cement slurry is conveyed to the cement slurry distribution pipeline 401 through the slurry conveying pipe 3 and then is sprayed out to the soil layer below the cement slurry through each nozzle 4031 through the slurry outlet 403, meanwhile, the stirring blades 5 continue to smash and stir the soft soil, and the smashed soft soil flows downwards through the upper through hole 4051, the inner cavity 407 and the lower through hole of the reamer 4 and is combined with the sprayed cement slurry. Through adopting this kind of mode, at the in-process of upwards mentioning gradually of last formula blade whitewashing biax cement mixing stake pole, the shaping that makes progress in the below gradually of cement soil pile thereupon, the content of cement in the cement soil pile is not influenced during the shaping, and the cement thick liquid can fully combine with the weak soil in the ground, makes the cement soil pile after the shaping firmer. The upper and lower through holes 4051 and 4051 are provided as fine holes through which only the slurry and the ground soil pass.
The pipe walls of the stirring pipe 1 and the slurry conveying pipe 3 are provided with slurry spraying holes 131 corresponding to each other in position. The guniting holes 131 on the stirring pipe 1 are connected with the guniting holes 131 on the corresponding slurry conveying pipes 3 through connecting pipes. By arranging the grout spraying holes 131, when the stirring blades 5 above the reamer 4 stir, cement grout sprayed from the grout spraying holes 131 can be uniformly mixed with broken soft soil, and the forming quality of the cement-soil pile is further improved. Stirring vane 5 adopts the installation of detachable mode, uses the back for a long time, can dismantle and wash, simultaneously to being in near the spouting hole 131 of stirring vane 5, when blockking up, pull down stirring vane 5 and also can conveniently clear up this spouting hole 131. When the stirring is mentioned to the double-shaft cement mixing stake pole of formula blade whitewashing of last lifting, 5 upper ends of stirring vane are in the front, the lower extreme is in the back on the rotation direction of stirred tube 1, and stirring vane 5 can push down the weak soil to make the combination of cement thick liquid and weak soil more closely knit.
Claims (6)
1. Go up and carry formula blade whitewashing biax cement mixing stake pole, including agitator tube, drill bit and a plurality of stirring vane, the lower extreme at the agitator tube is installed to the drill bit, and each stirring vane is from last to installing respectively down on the lateral surface of agitator tube, its characterized in that: the lifting type blade guniting double-shaft cement mixing pile rod further comprises a slurry conveying pipe and a reamer, wherein the slurry conveying pipe extends into the stirring pipe from the upper end of the stirring pipe and extends downwards along the stirring pipe; the reamer is arranged on the stirring pipe and is positioned between the drill bit and the stirring blade positioned at the lowest part, the reamer is provided with a cement paste distribution pipeline, the cement paste distribution pipeline is provided with a slurry inlet and a plurality of slurry outlets, the slurry inlet is communicated with the lower end of the slurry conveying pipe, each slurry outlet is communicated with the slurry inlet, and each slurry outlet is respectively provided with a nozzle.
2. The lift-up blade guniting biaxial cement mixing pile rod as set forth in claim 1, wherein: the reamer comprises a reamer main body, a top cover plate and a bottom plate, the reamer main body is connected with the lower end of the stirring pipe, the top cover plate is installed at the top of the reamer main body, the bottom plate is installed at the bottom of the reamer main body, the top cover plate and the bottom plate enclose an inner cavity of the reamer, each nozzle is located in the inner cavity of the reamer, a plurality of upper through holes communicated with the inner cavity of the reamer are formed in the top cover plate, and a plurality of lower through holes communicated with the inner cavity.
3. The lift-up blade guniting biaxial cement mixing pile rod as set forth in claim 1, wherein: each nozzle faces downwards.
4. The lift-up blade guniting biaxial cement mixing pile rod as set forth in claim 1, wherein: and the pipe walls of the stirring pipe and the slurry conveying pipe are provided with slurry spraying holes corresponding to the positions of the slurry spraying holes.
5. The lift-up blade guniting biaxial cement mixing pile rod as set forth in claim 4, wherein: each stirring blade can be detachably arranged on the stirring pipe.
6. The lift-up blade guniting biaxial cement mixing pile rod as set forth in claim 1, wherein: each stirring blade inclines from bottom to top in the tangential direction of the stirring pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020949500.0U CN212534102U (en) | 2020-05-29 | 2020-05-29 | Lifting blade guniting double-shaft cement mixing pile rod |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020949500.0U CN212534102U (en) | 2020-05-29 | 2020-05-29 | Lifting blade guniting double-shaft cement mixing pile rod |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607282A (en) * | 2022-03-30 | 2022-06-10 | 山东高速建设管理集团有限公司 | Construction drill bit and method capable of constructing polymorphic cement soil mixing pile |
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2020
- 2020-05-29 CN CN202020949500.0U patent/CN212534102U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607282A (en) * | 2022-03-30 | 2022-06-10 | 山东高速建设管理集团有限公司 | Construction drill bit and method capable of constructing polymorphic cement soil mixing pile |
| CN114607282B (en) * | 2022-03-30 | 2023-12-01 | 山东高速建设管理集团有限公司 | Construction drill bit and method capable of constructing polymorphic cement-soil mixing pile |
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