CN201395793Y - Long spiral high-pressure spraying mud injecting stirring pile-forming device - Google Patents
Long spiral high-pressure spraying mud injecting stirring pile-forming device Download PDFInfo
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- CN201395793Y CN201395793Y CN2009201452903U CN200920145290U CN201395793Y CN 201395793 Y CN201395793 Y CN 201395793Y CN 2009201452903 U CN2009201452903 U CN 2009201452903U CN 200920145290 U CN200920145290 U CN 200920145290U CN 201395793 Y CN201395793 Y CN 201395793Y
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Abstract
The utility model discloses a long spiral high-pressure spraying mud injecting stirring pile-forming device, wherein a high-pressure slurry conveyer pipe which connects a cement slurry conveyer pipe with a mud injecting pump is attached in a hollow drill rod, a rotating mud injecting headstall is fixedly connected between the top portion of the hollow drill rod and a power head, and the rotating mud injecting headstall is connected with the cement slurry conveyer pipe and the high-pressure slurry conveyer pipe attached in the hollow drill rod. Cement slurry passes through the cement slurry conveyer pipe, the rotating mud injecting headstall and the high-pressure slurry conveyer pipe attached in the hollow drill rod, and is sprayed from a jet nozzle on a drill bit device after being pressurized by a high-pressure cement slurry pump. The utility model adopts a long spiral driller for drilling, uses a high-pressure spraying mud injecting stirring drilling tool to conduct high-pressure spraying mud injecting and stirring pile-forming after leaving with soil or backfilling soil according to design requirements, can be used for ground foundation soils with various geological conditions,and overcomes the defects that rotary blow-out piling and stirring piling are not suitable to hard clay and pebble ground layers with big grain diameters, and cement slurry and soil are mixed and stirred evenly, which substantially improves the pile-forming quality, and improves the bearing capacity of a single pile and the permeability-resisting performance of an insulating curtain.
Description
Technical field:
The utility model relates to building engineering field, relates in particular to a kind of long-spiral drilling machine boring and stirs pile making device with long spiral high pressure jet grouting.
Background technology:
There are following problem in existing high pressure jet grouting rotary churning pile, agitation pile in construction:
1, the high pressure jet grouting rotary churning pile be unwell to stiff clay, in close ~ closely knit sandy soil and big pebble layer of particle diameter, agitation pile only is applicable to soft soil layer.
2, high pressure jet grouting churning method and paddling process, cement paste and foundation soil blending are inhomogeneous, exist stiff clay piece or cement paste injection stream by the problem of big particle diameter cobble blocking-up.
3, big, the waste cement of high pressure jet grouting churning method leakage amount and environment had contamination phenomenon.
Summary of the invention:
The utility model attempt to solve rotary churning pile and agitation pile should not stiff clay, closely knit ~ in the difficult problem of close sandy soil and big particle diameter pebble layer construction and rotary churning pile leakage amount big, waste cement and influence problem of environment.
In view of this, the utility model provides a kind of long spiral high pressure jet grouting to stir pile making device, this device is platform with the long-spiral drilling machine, it comprises the hollow drill pipe on the mainframe, rotation filling adaptor, high pressure feed pipe for mortar, cement paste carrier pipe, high pressure cement grouting pump, nozzle drill bit device, stirring vane, drill power head; Wherein hollow drill pipe is fixed on the drill power head by the rotation filling adaptor that is connected in its top, in hollow drill pipe, adhere to the high pressure feed pipe for mortar, its bottom is connected with the nozzle drill bit device that is fixed on the hollow drill pipe end, the top is by rotation filling adaptor, cement paste carrier pipe, be connected with the high pressure cement grouting pump, nozzle drill bit device two wing tips respectively have 1 ~ 3 at nozzle, and drill bit bottom and side are welded with stirring vane; Cement paste by high pressure cement grouting pump pressurization after cement paste carrier pipe, rotation filling adaptor, the nozzle ejection of the high pressure feed pipe for mortar in being attached to hollow drill pipe to the nozzle drill bit device again.
This device also comprises the cobble drill bit.
Wherein nozzle drill bit device two wing tip spacings are 300 ~ 350mm, 500 ~ 550mm or 700 ~ 750mm.
Long spiral high pressure jet grouting stirs "forming column, is intended to overcome rotary churning pile, the agitation pile defective is innovated " secondary pile " method, its outstanding advantage have following some:
1, it is not only applicable to weak soil, loose ~ close slightly sandy soil, also is applicable to all kinds of soil layers such as stiff clay, sandy gravel, humus soil.
2, after the drilling rod of first Φ 400, Φ 600 with long spiral, Φ 800 becomes flexible foundation soil, tentatively mix and stir, carry out high pressure jet grouting churning (1 ~ 2 time) and secondary stirs with the injection slip casting stirring drill tool that is complementary with long screw drill rod, make foundation soil become flexible, be shifted, make cement paste to stir, after stirring fully, improve pile quality;
3, this method has increased the effective radius of churning induration greatly, has also avoided rotary churning pile stake footpath upper coarse and lower fine simultaneously, and the shortcoming in adjacent stake string hole has significantly improved the bearing capacity of foundation pile, the anti-permeability performance of curtain pile.
Other advantage of the present utility model, target and feature will be set forth in the explanation hereinafter to a certain extent, and to a certain extent, based on to investigating hereinafter, will be conspicuous to those skilled in the art, perhaps can be suitable for novel practice and be shown from this.
Description of drawings:
Clearer in order to make this be suitable for novel purpose, technical scheme and advantage, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:
Figure one is the structural representation that the utility model high pressure jet grouting stirs pile making device;
Figure two is sectional views of the annexation of the utility model hollow drill pipe and high pressure feed pipe for mortar;
Figure three is sectional views of the utility model nozzle drill bit device.
The specific embodiment:
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
Referring to Fig. 1, show according to long spiral high pressure jet grouting of the present utility model and stir pile making device, it relates to long-spiral drilling machine boring and stirs pile with long spiral high pressure jet grouting.This device is platform with the long-spiral drilling machine, hollow drill pipe (1) is fixed on the drill power head (8) by the rotation filling adaptor (2) that is connected in its top, in hollow drill pipe (1), adhere to high pressure feed pipe for mortar (3) [referring to Fig. 2], its bottom is connected with the nozzle drill bit device (6) that is fixed on hollow drill pipe (1) end, the top is by rotation filling adaptor (2), cement paste carrier pipe (4), be connected with high pressure cement grouting pump (5), stir pile making device thereby form whole high pressure jet grouting.During pile, cement paste by high pressure cement grouting pump (5) pressurization after cement paste carrier pipe (4), rotation filling adaptor (2), the nozzle ejection of the high pressure feed pipe for mortar (3) of (1) to the nozzle drill bit device (6) in being attached to hollow drill pipe again.
Referring to Fig. 3 is nozzle drill bit device, have nothing in common with each other 1 ~ 3 at the nozzle of specification of nozzle drill bit device two wing tips, and two wing tip spacings are 300 ~ 350mm, 500 ~ 550mm, 700 ~ 750mm etc., drill bit bottom and side are welded with stirring vane (7).
Long spiral high pressure jet grouting agitation pile is to be holed by long-spiral drilling machine, after staying soil or backfill by designing requirement, carry out high pressure jet grouting and stir pile with the high pressure jet grouting stirring drill tool again, the foundation soil that can be used for various geological conditionss, overcome the shortcoming that rotary churning pile, agitation pile are unwell to stiff clay, big particle diameter pebble layer, cement paste is admixed, is stirred with soil, increases substantially pile quality, improves the barrier performance of bearing capacity of single pile and waterproof of man.
According to preferred embodiment of the present utility model, it is as follows that long spiral high pressure jet grouting stirs into the pile constructing process flow process:
Lack casting or not casting when A, long-spiral drilling machine boring as far as possible, creep into, stay soil or backfill in the hole to design elevation to projected depth proposition drilling tool;
B, the long-spiral drilling machine aligning drill center that the high pressure jet grouting stirring drill tool will be installed, start high-pressure injection pump and carry out high pressure jet grouting, water under high pressure mud through cement paste carrier pipe, rotation filling adaptor, unsettled be attached to high-pressure slip-casting pipe in the hollow drill pipe, on the nozzle drill bit device nozzle and realize high pressure jet grouting;
C, be stirred to projected depth while rotating;
D, satisfy rotary lifting high pressure jet grouting stirring drill tool after the projected depth, while is according to the parameter of foundation soil character design, secondary high-pressure be can carry out and slip casting and stirring sprayed, also can stop defeated slurry, water has washed termination of pumping behind the pipeline, only promote and secondary stirs, stop to stir and pile after being promoted to design elevation.
E, carry out high pressure jet grouting when stirring, its speed 0.90 ~ 1.20m/min is finished by the assembly pulley or the buncher of long-spiral drilling machine.
F, in boulder bed, change long spiral drilling head into the cobble drill bit and implement.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and obviously, those skilled in the art can carry out various changes and modification to the utility model, and does not break away from spirit and scope of the present utility model.Therefore, if more of the present utility model revise and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model comprises these changes and modification naturally interior.
Claims (3)
1, a kind of long spiral high pressure jet grouting stirs pile making device, it is characterized in that: this device is platform with the long-spiral drilling machine, it comprises the hollow drill pipe (1) on the mainframe, rotation filling adaptor (2), high pressure feed pipe for mortar (3), cement paste carrier pipe (4), high pressure cement grouting pump (5), nozzle drill bit device (6), stirring vane (7), drill power head (8);
Wherein hollow drill pipe (1) is fixed on the drill power head (8) by the rotation filling adaptor (2) that is connected in its top, in hollow drill pipe (1), adhere to high pressure feed pipe for mortar (3), its bottom is connected with the nozzle drill bit device (6) that is fixed on hollow drill pipe (1) end, the top is by rotation filling adaptor (2), cement paste carrier pipe (4), be connected with high pressure cement grouting pump (5), nozzle drill bit device (6) two wing tips respectively have 1 ~ 3 at nozzle, and drill bit bottom and side are welded with stirring vane (7);
Cement paste by high pressure cement grouting pump (5) pressurization after cement paste carrier pipe (4), rotation filling adaptor (2), the high pressure feed pipe for mortar (3) through being attached to hollow drill pipe (1) in to the nozzle on the nozzle drill bit device (6) sprays again.
2, long spiral high pressure jet grouting according to claim 1 stirs pile making device, it is characterized in that: also comprise the cobble drill bit.
3, long spiral high pressure jet grouting according to claim 1 and 2 stirs pile making device, and it is characterized in that: nozzle drill bit device (6) two wing tip spacings are 300 ~ 350mm, 500 ~ 550mm or 700 ~ 750mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201452903U CN201395793Y (en) | 2009-03-13 | 2009-03-13 | Long spiral high-pressure spraying mud injecting stirring pile-forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201452903U CN201395793Y (en) | 2009-03-13 | 2009-03-13 | Long spiral high-pressure spraying mud injecting stirring pile-forming device |
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| Publication Number | Publication Date |
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| CN201395793Y true CN201395793Y (en) | 2010-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009201452903U Expired - Lifetime CN201395793Y (en) | 2009-03-13 | 2009-03-13 | Long spiral high-pressure spraying mud injecting stirring pile-forming device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787693A (en) * | 2010-03-22 | 2010-07-28 | 中冶建筑研究总院有限公司 | High pressure powder-spray nozzle for high pressure powder spray method |
| CN101886387A (en) * | 2010-07-06 | 2010-11-17 | 袁小忠 | Construction method of self-drilling type mixing jet-grouting pile for long-auger high-pressure and low-pressure multi-tube |
| CN101914915A (en) * | 2010-07-24 | 2010-12-15 | 烟台市工程勘察有限公司 | Construction method for anti-floating anchor rod and special long auger |
| CN102296630A (en) * | 2011-06-17 | 2011-12-28 | 北京中岩大地工程技术有限公司 | Construction method of long-screw high-pressure mix jetting cement diaphragm wall |
| CN103015423A (en) * | 2012-12-21 | 2013-04-03 | 广东永基建筑基础有限公司 | Static pressure jet flow piling wall forming equipment and static pressure jet flow piling wall forming construction method |
| CN104329020A (en) * | 2014-10-14 | 2015-02-04 | 北京中岩大地工程技术有限公司 | Reinforced long-screw rock-socketed construction equipment and process thereof |
| CN104373151A (en) * | 2014-10-11 | 2015-02-25 | 安徽建筑大学 | Mining multifunctional self-stirring grouting device and control method thereof |
| CN113463637A (en) * | 2021-05-17 | 2021-10-01 | 中水淮河规划设计研究有限公司 | High-pressure spraying treatment process for sandy gravel layer |
-
2009
- 2009-03-13 CN CN2009201452903U patent/CN201395793Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787693A (en) * | 2010-03-22 | 2010-07-28 | 中冶建筑研究总院有限公司 | High pressure powder-spray nozzle for high pressure powder spray method |
| CN101886387A (en) * | 2010-07-06 | 2010-11-17 | 袁小忠 | Construction method of self-drilling type mixing jet-grouting pile for long-auger high-pressure and low-pressure multi-tube |
| CN101914915A (en) * | 2010-07-24 | 2010-12-15 | 烟台市工程勘察有限公司 | Construction method for anti-floating anchor rod and special long auger |
| CN102296630A (en) * | 2011-06-17 | 2011-12-28 | 北京中岩大地工程技术有限公司 | Construction method of long-screw high-pressure mix jetting cement diaphragm wall |
| CN103015423A (en) * | 2012-12-21 | 2013-04-03 | 广东永基建筑基础有限公司 | Static pressure jet flow piling wall forming equipment and static pressure jet flow piling wall forming construction method |
| CN104373151A (en) * | 2014-10-11 | 2015-02-25 | 安徽建筑大学 | Mining multifunctional self-stirring grouting device and control method thereof |
| CN105927265A (en) * | 2014-10-11 | 2016-09-07 | 安徽建筑大学 | Mining multifunctional self-stirring grouting device |
| CN105927265B (en) * | 2014-10-11 | 2018-01-19 | 安徽建筑大学 | A kind of mining multifunctional is from mixing-filling device |
| CN104329020A (en) * | 2014-10-14 | 2015-02-04 | 北京中岩大地工程技术有限公司 | Reinforced long-screw rock-socketed construction equipment and process thereof |
| CN113463637A (en) * | 2021-05-17 | 2021-10-01 | 中水淮河规划设计研究有限公司 | High-pressure spraying treatment process for sandy gravel layer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING ZHONGYAN DADI ENGINEERING TECHNOLOGY CO., Free format text: FORMER OWNER: WANG LIJIAN Effective date: 20120913 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100048 HAIDIAN, BEIJING TO: 100195 HAIDIAN, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120913 Address after: 100195 Beijing city Haidian District West Fourth Ring Road No. 15 East Building 302 Patentee after: Beijing Zhongyan Dadi Engineering Technology Co., Ltd. Address before: 100048 wisdom building, No. 38, South College Road, Beijing, Haidian District 1603A Patentee before: Wang Lijian |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 100041, Beijing Shijingshan District apple garden, Tong Jing building, 12 floor Patentee after: BEIJING ZHONGYAN DADI TECHNOLOGY CO., LTD. Address before: 100195 Beijing city Haidian District West Fourth Ring Road No. 15 East Building 302 Patentee before: Beijing Zhongyan Dadi Engineering Technology Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100203 |