CN112376555A - Four-wheel four-milling multi-stirring power head - Google Patents
Four-wheel four-milling multi-stirring power head Download PDFInfo
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- CN112376555A CN112376555A CN202011172295.2A CN202011172295A CN112376555A CN 112376555 A CN112376555 A CN 112376555A CN 202011172295 A CN202011172295 A CN 202011172295A CN 112376555 A CN112376555 A CN 112376555A
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- stirring
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
- E02D3/126—Consolidating by placing solidifying or pore-filling substances in the soil and mixing by rotating blades
Abstract
The invention relates to a four-wheel four-milling multi-stirring head, belonging to the technical field of construction machinery equipment. The device is provided with a conventional horizontal stirring blade, and four-wheel four-milling vertical milling and stirring blades are additionally arranged; the top of the drill core tube is provided with a multi-layer multi-directional blade structure type power head of a drill connecting handle which is quickly connected with the drill rod. The four-wheel four-milling multi-stirring effect can be realized by utilizing the one-way drill rod, the pile is formed at one time, repeated stirring is not needed, the uniformity and the strength of the stirring pile are effectively improved, the construction efficiency is improved, and the construction cost is saved.
Description
Technical Field
The invention relates to a four-wheel four-milling multi-stirring head, belonging to the technical field of construction machinery equipment.
Background
A cement mixing pile machine for soft foundation is a mechanical building pile driver for drilling and digging in site of soft foundation, and features that cement reinforcer is sprayed out from drill bit and mixed with original soil of foundation repeatedly to form a pile body with solidifying agent and original soil of foundation, which are uniformly mixed and stirred. In actual construction, because the stratum geology cannot be uniform, especially in mud flat silt stratum, the uniformity of the stirring pile-forming is difficult to master, which often results in low construction efficiency and difficult quality guarantee. Aiming at the problems, design departments and construction units disclose various improvement methods: such as increasing the repeated stirring times, bidirectional stirring drilling tools and the like. However, the repeated stirring mode needs to be repeated for at least more than two times, so that the construction efficiency is reduced; the bidirectional stirring drilling tool is adopted, the horizontal reverse stirring is also adopted, the soil body stirring is carried out on the horizontal plane, and the actual effect is not ideal in the beach mud flat silt stratum.
Disclosure of Invention
The invention aims to solve the problems in the prior art and discloses a four-wheel four-milling multi-stirring head. The device is provided with a conventional horizontal stirring blade, and four-wheel four-milling vertical milling and stirring blades are additionally arranged; the top of the drill core tube is provided with a multi-layer multi-directional blade structure type power head of a drill connecting handle which is quickly connected with the drill rod. The four-wheel four-milling multi-stirring effect can be realized by utilizing the one-way drill rod, the pile is formed at one time, repeated stirring is not needed, the uniformity and the strength of the stirring pile are effectively improved, the construction efficiency is improved, and the construction cost is saved.
The technical scheme of the invention is as follows: a four-wheel four-milling multi-stirring head comprises one or more middle layer components, and when the four-wheel four-milling multi-stirring head is provided with two or more middle layer components, the middle layer components are connected in series for use, and the four-wheel four-milling multi-stirring head is characterized in that: the vertical milling and stirring blades of the middle layer part are arranged on four vertical rotating bevel gears which are arranged at 90 degrees, every two vertical rotating bevel gears are distributed on two horizontal planes at 180 degrees, the vertical rotating bevel gears are fixedly connected with vertical milling and stirring impellers, and the vertical milling and stirring blades are fixed by the vertical milling and stirring impellers.
The invention also discloses a four-wheel four-milling multi-stirring head, which comprises one or more middle layer components, wherein when the number of the middle layer components is two or more, the middle layer components are connected in series for use, and the four-wheel four-milling multi-stirring head is characterized in that: the vertical milling and stirring blades of the middle layer part are arranged on four vertical rotating bevel gears which are 90 degrees to each other, the four vertical rotating bevel gears are meshed with one horizontal rotating bevel gear and are distributed on the same horizontal plane, the vertical rotating bevel gears are fixedly connected with vertical milling and stirring impellers, and the vertical milling and stirring impellers are fixed with the vertical milling and stirring blades.
The four-wheel four-milling multi-stirring power head is characterized in that: the middle layer part also comprises a middle layer drill bit core pipe, a middle layer four-wheel four-milling vertical milling and stirring blade part shell, an upper horizontal rotating bevel gear and a lower horizontal rotating bevel gear, wherein a middle layer drill bit core pipe, a vertical rotating bevel gear and a vertical milling and stirring impeller are arranged in the middle layer four-wheel four-milling vertical milling and stirring blade part shell, the upper horizontal rotating bevel gear, the lower horizontal rotating bevel gear and the vertical milling and stirring blade are arranged in the middle layer four-wheel four-milling vertical milling and stirring blade part shell, a spline is milled in the middle of the middle layer drill bit core pipe, the spline of the middle layer drill bit core pipe is inserted into spline grooves of the upper horizontal rotating bevel gear and the lower horizontal rotating bevel gear to be fixedly connected, and the upper horizontal rotating bevel gear and the lower.
The four-wheel four-milling multi-stirring power head is characterized in that: the upper end and the lower end of the middle layer drill bit core pipe are square tenons, and two pin holes are respectively formed in the side faces of the middle layer drill bit core pipe.
The four-wheel four-milling multi-stirring power head is characterized in that: the tail parts of the four vertical rotary bevel gears which are arranged at 90 degrees are fixedly connected with four vertical milling and stirring impellers which are arranged at 90 degrees by splines, and a plurality of layers of vertical milling and stirring blades are fixed on the four vertical milling and stirring impellers which are arranged at 90 degrees.
The four-wheel four-milling multi-stirring power head is characterized in that: the upper-layer horizontal stirring blade component comprises an upper-layer drill bit core pipe, upper-layer horizontal stirring fixed blades and upper-layer horizontal stirring free blades, wherein the upper-layer drill bit core pipe is provided with the upper-layer horizontal stirring fixed blades and the upper-layer horizontal stirring free blades, the upper end of the upper-layer drill bit core pipe is a conical screw hole, the lower end of the upper-layer drill bit core pipe is an inner square tenon hole, and two pin holes are formed in the side face of the upper-layer drill bit core pipe.
The four-wheel four-milling multi-stirring power head is characterized in that: the lower-layer horizontal stirring blade component comprises a lower-layer drill bit core pipe, a lower-layer horizontal stirring free blade, a guniting opening, a lower-layer horizontal stirring fixed blade and a drill bit.
The four-wheel four-milling multi-stirring head has the beneficial effects that:
the cement soil mixing pile machine has the advantages that under the same working condition, a traditional drill bit is used, only horizontal mixing blades are needed, in actual construction, stratum geology cannot be uniform, particularly mud flat and silt stratum, pile forming cannot be achieved due to uneven mixing frequently, after the four-wheel four-milling multi-stirring-force head of the cement soil mixing pile machine is used, horizontal mixing and four-wheel four-milling vertical mixing are fully stirred, curing agents and original soil of a foundation are fully mixed and stirred, the uniformity is higher, pile forming can be achieved at one time, and the effect is very obvious.
Secondly, because the conical screw hole (consistent with the conical screw rod of the drill rod connecting handle) at the upper end of the upper drill bit core pipe, the connection between the drill rod and the drill bit can be quickly completed only by screwing the drill rod conical screw rod to the conical screw hole at the upper end of the upper drill bit core pipe in use; the lower end of the upper layer drill bit core pipe is provided with an inner square tenon hole, the side surface of the upper layer drill bit core pipe is provided with two pin holes, the upper square tenon hole is matched with a square tenon head at the upper end of a middle layer drill bit core pipe of a middle layer four-wheel four-milling vertical milling and stirring blade component, and the upper square tenon head is quickly fixedly connected with the middle layer drill bit core; the lower end of the middle layer drill bit core pipe is provided with a square tenon, the side surface of the middle layer drill bit core pipe is provided with two pin holes, the two pin holes are matched with the square tenon holes in the upper end of the lower layer drill bit core pipe of the lower layer horizontal stirring blade component, and the four pin holes are quickly fixedly connected by a cylindrical pin after being inserted;
the upper layer drill bit core pipe, the middle layer drill bit core pipe and the lower layer drill bit core pipe are all hollow cylindrical rigid bodies, a circular guniting hole is formed in the pipe wall of the lower portion of the lower layer drill bit core pipe, the curing agent slurry in the hollow drill rod passes through the hollow drill bit core pipe, guniting is conducted through the circular guniting hole in the pipe wall of the lower portion of the lower layer drill bit core pipe, horizontal stirring and vertical milling stirring are conducted together to conduct full stirring, the curing agent and original soil of the foundation are fully mixed and stirred, the uniformity is improved, and the effect of forming the.
Drawings
FIG. 1 is a perspective view of a four-wheel four-mill multi-agitator head according to an embodiment of the present invention;
FIG. 2 is a schematic view of the connection and the cutting of a four-wheel four-milling multi-stirring head in FIG. 1
Fig. 3 is a perspective view of the middle layer member.
Fig. 4 is a front view of the middle layer part.
Fig. 5 is a sectional view taken along the line of fig. 4A-a.
Fig. 6 is a top view of the middle layer component.
Description of the reference symbols in the drawings: the drill bit comprises an upper-layer horizontal stirring blade component 1, an upper-layer drill bit core pipe 1.1, an upper-layer horizontal stirring fixed blade 1.2, an upper-layer horizontal stirring free blade 1.3, a middle-layer component 2, a middle-layer drill bit core pipe 2.1, a middle-layer four-wheel four-milling vertical milling stirring blade component shell 2.2, a vertical rotating bevel gear 2.3, a vertical milling stirring impeller 2.4, an upper horizontal rotating bevel gear 2.5, a lower horizontal rotating bevel gear 2.6, a vertical milling stirring blade 2.7, a lower-layer horizontal stirring blade component 3, a lower-layer drill bit core pipe 3.1, a lower-layer horizontal stirring free blade 3.2, a slurry spraying opening 3.3, a lower-layer horizontal stirring fixed blade 3.4 and a drill bit tip 3.5.
Detailed Description
The following detailed description of the embodiments is made with reference to the accompanying drawings:
as shown in fig. 2, the four-wheel four-mill multi-stirring head of the invention comprises an upper horizontal stirring blade component 1; an upper layer drill core pipe 1.1, an upper layer horizontal stirring fixed blade 1.2 and an upper layer horizontal stirring free blade 1.3. A middle layer member 2; the four-wheel four-milling vertical milling and stirring blade component comprises a middle-layer drill bit core tube 2.1, a middle-layer four-wheel four-milling vertical milling and stirring blade component shell 2.2, a vertical rotating bevel gear 2.3, a vertical milling and stirring impeller 2.4, an upper horizontal rotating bevel gear 2.5, a lower horizontal rotating bevel gear 2.6 and a vertical milling and stirring blade 2.7. A lower horizontal agitating blade member 3; a lower layer drill core pipe 3.1, a lower layer horizontal stirring free blade 3.2, a guniting port 3.3, a lower layer horizontal stirring fixed blade 3.4 and a drill tip 3.5.
The upper horizontal stirring blade component 1 has the following specific structure: the upper layer drill bit core pipe 1.1 is provided with an upper layer horizontal stirring fixed blade 1.2 and an upper layer horizontal stirring free blade 1.3. The upper end of the upper drill bit core pipe 1.1 is provided with a conical screw hole (which is consistent with a conical screw rod of a drill rod connecting handle); the lower end of the upper layer drill bit core pipe 1.1 is provided with an inner square tenon hole, the side surface of the upper layer drill bit core pipe is provided with two pin holes, the upper end square tenon hole is matched and spliced with a square tenon at the upper end of a middle layer drill bit core pipe 2.1 of a middle layer double-wheel double-milling vertical milling and stirring blade component, and the upper end square tenon and the square tenon are quickly fixedly connected by a cylindrical;
the middle layer component 2 has the following specific structure: the middle-layer four-wheel four-milling vertical milling and stirring blade component shell 2.2 is internally provided with a middle-layer drill bit core tube 2.1, a vertical rotating bevel gear 2.3, a vertical milling and stirring impeller 2.4, an upper horizontal rotating bevel gear 2.5, a lower horizontal rotating bevel gear 2.6 and a vertical milling and stirring blade 2.7. The upper end and the lower end of the middle layer drill bit core pipe 2.1 are square tenons, two pin holes are respectively arranged on the side surfaces, the middle layer drill bit core pipe 2.1 is matched with the inner square tenon hole at the lower end of the upper layer drill bit core pipe 1.1 through the square tenon at the upper end, and after the middle layer drill bit core pipe is inserted, the middle layer drill bit core pipe is quickly fixedly connected through a cylindrical pin. The middle part of the middle layer drill bit core pipe 2.1 is milled with a spline, the spline of the middle layer drill bit core pipe 2.1 is inserted into a spline groove of an upper horizontal rotating bevel gear 2.5 and a lower horizontal rotating bevel gear 2.6 to be fixedly connected, the upper horizontal rotating bevel gear 2.5 and the lower horizontal rotating bevel gear 2.6 are 90 degrees with respect to each other, every two vertical rotating bevel gears 2.3 which are 180 degrees with each other are meshed, the tails of the four vertical rotating bevel gears 2.3 which are 90 degrees with each other are fixedly connected with four vertical milling and stirring impellers 2.4 which are 90 degrees with each other through the spline, the four vertical milling and stirring impellers 2.4 which are 90 degrees with each other are fixed with a plurality of layers of vertical milling and stirring blades 2.7, the middle layer drill bit core pipe 2.1 is matched with an inner square mortise at the upper end of the upper layer drill bit 1.1 through a square tenon at the lower end of the middle layer.
The lower horizontal stirring blade component 3 has the following specific structure: the upper end of the lower layer drill bit core pipe 3.1 is provided with an inner square tenon hole, the side surface is provided with two pin holes which are matched with the square tenon at the lower end of the middle layer drill bit core pipe 2.1, and after the pin holes are inserted, the pin holes are freely and fixedly connected by a cylindrical pin. The lower layer drill bit core pipe 3.1 is provided with a lower layer horizontal stirring free blade 3.2 and a lower layer horizontal stirring fixed blade 3.4, the lower pipe wall of the lower layer drill bit core pipe 3.1 is provided with a grout spraying opening 3.3, and the lower part of the lower layer drill bit core pipe 3.1 is provided with a drill bit 3.5. The guniting port 3.3 can be a circular guniting hole.
When the drilling machine drills downwards, the drilling machine transmits horizontal rotation power to an upper drill bit core pipe 1.1 of an upper horizontal stirring blade component 1 of the four-wheel four-milling multi-stirring power head through a drill rod, and a first layer of horizontal fixed stirring blades 1.2 and a third layer of horizontal fixed stirring blades 1.2 on the upper horizontal stirring blade component 1 stir original soil of the foundation while the drilling rod rotates horizontally; the horizontal stirring free blades 1.3 arranged on the second layer of the upper layer drill bit core pipe 1.1 do not horizontally rotate and stir along with the upper layer drill bit core pipe 1.1, so that the horizontal stirring free blades and the first layer and the third layer horizontal fixed stirring blades 1.2 form relative reverse stirring.
The square tenon at the upper end of a middle-layer drill bit core pipe 2.1 of a middle-layer four-wheel four-milling vertical milling and stirring blade component 2 is matched with the square mortise at the upper end of an upper-layer drill bit core pipe 1.1 and is quickly fixedly connected by a cylindrical pin after being inserted into the square mortise, and receives horizontal rotating power transmitted by the upper-layer drill bit core pipe 1.1, when the middle-layer drill bit core pipe 2.1 horizontally rotates, an upper horizontal rotating bevel gear 2.5 and a lower horizontal rotating bevel gear 2.6 which are fixedly connected with the middle-layer drill bit core pipe 2.1 by splines are driven to horizontally rotate, the upper horizontal rotating bevel gear 2.5 and the lower horizontal rotating bevel gear 2.6 are meshed with four vertical rotating bevel gears 2.3 which are arranged by 180 degrees, so that the four vertical rotating bevel gears 2.3 which are arranged by 90 degrees vertically rotate vertically, the tails of the four vertical rotating bevel gears 2.3 which are arranged by 90 degrees are fixedly connected with four vertical milling and stirring impellers 2.4 which are arranged by splines, and a plurality of layers of vertical milling and stirring blades 2.7 are fixed on the four vertical stirring, the vertical milling and stirring blade 2.7 is driven to vertically mill and stir.
The square tenon hole at the upper end of the lower drill bit core pipe 3.1 of the lower horizontal stirring blade component 3 is matched with the square tenon at the lower end of the middle drill bit core pipe 2.1, and after being inserted, the square tenon hole is quickly and fixedly connected by a cylindrical pin, and receives the horizontal rotation power transmitted by the drill rod in sequence to drive the fixed horizontal stirring blade 3.4 embedded with alloy teeth on the cutting front surface of the lower drill bit core pipe 3.1 and the drill bit 3.5 to horizontally rotate and drill downwards. The upper layer drill bit core pipe 1.1, the middle layer drill bit core pipe 2.1 and the lower layer drill bit core pipe 3.1 are all hollow cylindrical rigid bodies, the lower pipe wall of the lower layer drill bit core pipe 3.1 is provided with a guniting opening 3.3, and curing agent slurry in a hollow drill rod passes through the hollow drill bit core pipe and is guniting from the lower pipe wall of the lower layer drill bit core pipe 3.2 through the guniting opening 3.3. The horizontal stirring and the vertical milling stirring are fully stirred together, so that the curing agent and the original soil of the foundation are fully mixed and stirred, the mixture is more uniform, and the effect of forming the pile at one time is achieved.
In this embodiment, the vertical milling and stirring blades 2.7 of the middle component 2 are installed on four vertical rotating bevel gears 2.3 which are 90 degrees to each other, and are distributed on two horizontal planes in a 180-degree manner.
As a further scheme of the invention, in practical application, the vertical milling and stirring blades 2.7 also comprising the middle layer part 2 are arranged on four vertical rotating bevel gears which are 90 degrees to each other, and the four vertical rotating bevel gears are meshed with one horizontal rotating bevel gear and distributed on the same horizontal plane.
Two or more middle layer components 2 can also be used in series to achieve better stirring pile-forming effect.
Claims (7)
1. A four-wheel four-milling multi-stirring head comprises one or more middle layer components, and when the four-wheel four-milling multi-stirring head is provided with two or more middle layer components, the middle layer components are connected in series for use, and the four-wheel four-milling multi-stirring head is characterized in that: the vertical milling and stirring blades of the middle layer part are arranged on four vertical rotating bevel gears which are arranged at 90 degrees, every two vertical rotating bevel gears are distributed on two horizontal planes at 180 degrees, the vertical rotating bevel gears are fixedly connected with vertical milling and stirring impellers, and the vertical milling and stirring blades are fixed by the vertical milling and stirring impellers.
2. A four-wheel four-milling multi-stirring head comprises one or more middle layer components, and when the four-wheel four-milling multi-stirring head is provided with two or more middle layer components, the middle layer components are connected in series for use, and the four-wheel four-milling multi-stirring head is characterized in that: the vertical milling and stirring blades of the middle layer part are arranged on four vertical rotating bevel gears which are 90 degrees to each other, the four vertical rotating bevel gears are meshed with one horizontal rotating bevel gear and are distributed on the same horizontal plane, the vertical rotating bevel gears are fixedly connected with vertical milling and stirring impellers, and the vertical milling and stirring impellers are fixed with the vertical milling and stirring blades.
3. The four-wheel four-mill multi-agitator head as claimed in claim 1, wherein: the middle layer part also comprises a middle layer drill bit core pipe, a middle layer four-wheel four-milling vertical milling and stirring blade part shell, an upper horizontal rotating bevel gear and a lower horizontal rotating bevel gear, wherein a middle layer drill bit core pipe, a vertical rotating bevel gear and a vertical milling and stirring impeller are arranged in the middle layer four-wheel four-milling vertical milling and stirring blade part shell, the upper horizontal rotating bevel gear, the lower horizontal rotating bevel gear and the vertical milling and stirring blade are arranged in the middle layer four-wheel four-milling vertical milling and stirring blade part shell, a spline is milled in the middle of the middle layer drill bit core pipe, the spline of the middle layer drill bit core pipe is inserted into spline grooves of the upper horizontal rotating bevel gear and the lower horizontal rotating bevel gear to be fixedly connected, and the upper horizontal rotating bevel gear and the lower.
4. A four-wheel four-mill multi-agitator head as claimed in claim 3, wherein: the upper end and the lower end of the middle layer drill bit core pipe are square tenons, and two pin holes are respectively formed in the side faces of the middle layer drill bit core pipe.
5. A four-wheel four-mill multi-agitator head as claimed in claim 3, wherein: the tail parts of the four vertical rotary bevel gears which are arranged at 90 degrees are fixedly connected with four vertical milling and stirring impellers which are arranged at 90 degrees by splines, and a plurality of layers of vertical milling and stirring blades are fixed on the four vertical milling and stirring impellers which are arranged at 90 degrees.
6. A four-wheel four-mill multi-agitator head as claimed in claim 3, wherein: the upper-layer horizontal stirring blade component comprises an upper-layer drill bit core pipe, upper-layer horizontal stirring fixed blades and upper-layer horizontal stirring free blades, wherein the upper-layer drill bit core pipe is provided with the upper-layer horizontal stirring fixed blades and the upper-layer horizontal stirring free blades, the upper end of the upper-layer drill bit core pipe is a conical screw hole, the lower end of the upper-layer drill bit core pipe is an inner square tenon hole, and two pin holes are formed in the side face of the upper-layer drill bit core pipe.
7. A four-wheel four-mill multi-agitator head as claimed in claim 3, wherein: the lower-layer horizontal stirring blade component comprises a lower-layer drill bit core pipe, a lower-layer horizontal stirring free blade, a guniting opening, a lower-layer horizontal stirring fixed blade and a drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011172295.2A CN112376555A (en) | 2020-10-28 | 2020-10-28 | Four-wheel four-milling multi-stirring power head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011172295.2A CN112376555A (en) | 2020-10-28 | 2020-10-28 | Four-wheel four-milling multi-stirring power head |
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| Publication Number | Publication Date |
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| CN112376555A true CN112376555A (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011172295.2A Pending CN112376555A (en) | 2020-10-28 | 2020-10-28 | Four-wheel four-milling multi-stirring power head |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20070215388A1 (en) * | 2004-03-26 | 2007-09-20 | Kirk Lan Alastair | Downhole Apparatus for Mobilising Drill Cuttings |
| CN103452484A (en) * | 2013-08-22 | 2013-12-18 | 武汉市天宝工程机械有限责任公司 | Double-mixing drilling bit of cement-soil mixing pile machine |
| CN206129166U (en) * | 2016-10-31 | 2017-04-26 | 中铁二十三局集团第一工程有限公司 | Two -way cement mixing method drill bit of outside -in whitewashing |
| CN206554079U (en) * | 2017-03-02 | 2017-10-13 | 陕西桩鑫建设工程有限公司 | A kind of vertical cement mixing pile former |
| CN108252299A (en) * | 2018-02-12 | 2018-07-06 | 吴应寿 | Uniaxial multidirectional cement mixing pile crown and the multidirectional cement mixing pile crown of multiaxis |
| CN211547699U (en) * | 2019-11-29 | 2020-09-22 | 广州粤嘉工程技术有限公司 | Cement mixing pile machine |
| CN111734312A (en) * | 2020-06-03 | 2020-10-02 | 陈腊根 | Double-wheel double-milling multi-stirring power head |
-
2020
- 2020-10-28 CN CN202011172295.2A patent/CN112376555A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070215388A1 (en) * | 2004-03-26 | 2007-09-20 | Kirk Lan Alastair | Downhole Apparatus for Mobilising Drill Cuttings |
| CN103452484A (en) * | 2013-08-22 | 2013-12-18 | 武汉市天宝工程机械有限责任公司 | Double-mixing drilling bit of cement-soil mixing pile machine |
| CN206129166U (en) * | 2016-10-31 | 2017-04-26 | 中铁二十三局集团第一工程有限公司 | Two -way cement mixing method drill bit of outside -in whitewashing |
| CN206554079U (en) * | 2017-03-02 | 2017-10-13 | 陕西桩鑫建设工程有限公司 | A kind of vertical cement mixing pile former |
| CN108252299A (en) * | 2018-02-12 | 2018-07-06 | 吴应寿 | Uniaxial multidirectional cement mixing pile crown and the multidirectional cement mixing pile crown of multiaxis |
| CN211547699U (en) * | 2019-11-29 | 2020-09-22 | 广州粤嘉工程技术有限公司 | Cement mixing pile machine |
| CN111734312A (en) * | 2020-06-03 | 2020-10-02 | 陈腊根 | Double-wheel double-milling multi-stirring power head |
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Application publication date: 20210219 |