CN110656666B - Small high-pressure jet grouting cement pile machine for test and construction method thereof - Google Patents
Small high-pressure jet grouting cement pile machine for test and construction method thereof Download PDFInfo
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- CN110656666B CN110656666B CN201910976291.0A CN201910976291A CN110656666B CN 110656666 B CN110656666 B CN 110656666B CN 201910976291 A CN201910976291 A CN 201910976291A CN 110656666 B CN110656666 B CN 110656666B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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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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- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a small-sized high-pressure rotary spraying cement-soil pile machine for tests and a construction method thereof, the small-sized high-pressure rotary spraying cement-soil pile machine comprises a soil pile machine body, the top end of the soil pile machine body is provided with a workbench, one end of the workbench is provided with a second electric telescopic rod, the top end of the second electric telescopic rod is provided with a stainless steel plate, the top end of one end of the stainless steel plate is provided with a connecting pipe, the bottom end of the connecting pipe is provided with a bearing, the bottom end of the bearing is provided with a stainless steel auger grouting pipe, the top end of the stainless steel auger grouting pipe is welded with a large gear, one side of the connecting pipe is provided with a first reduction box, the top end of the first reduction box is provided with a first motor, the cement-soil pile machine can be used during tests, not only can realize full-automatic rotary spraying of cement paste, but also can stir, the grouting depth can be adjusted, the construction method is simple and easy to operate, and the test efficiency is improved.
Description
Technical Field
The invention relates to the field of cement-soil pile machines, in particular to a small high-pressure jet grouting cement-soil pile machine for tests and a construction method thereof.
Background
A cement-soil stirring pile is used for reinforcing saturated soft clay foundation, and features that cement is used as solidifying agent, the deep soft soil and solidifying agent are forcibly stirred by special stirring machine, and the series of physical and chemical reactions between solidifying agent and soft soil are used to harden the soft soil into high-quality foundation with integrity, water stability and certain strength. The reinforcement depth is usually over 5m, the dry reinforcement depth is not over 15m, and the wet reinforcement depth is not over 20 m. The cement paste pressed into the soft soil is forcibly mixed with the surrounding soft soil by a rotary stirring blade to form the mud reinforcing body.
The cement-soil pile machine is too large in size and cannot be used in a test, and when a tester tests, the operation difficulty is high, the construction method is complex, the cement-soil pile machine cannot be quickly and efficiently sprayed to test, and the test result cannot be observed and counted conveniently.
Disclosure of Invention
The invention aims to provide a small high-pressure jet grouting cement pile machine for testing and a construction method thereof aiming at the defects of the prior art, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a small-sized high-pressure rotary jet cement pile machine for tests comprises a pile machine body, wherein a workbench is arranged at the top end of the pile machine body, a second electric telescopic rod is arranged at one end of the workbench, a stainless steel plate is arranged at the top end of the second electric telescopic rod, a connecting pipe is arranged at the top of one end of the stainless steel plate, a bearing is arranged at the bottom of the connecting pipe, a stainless steel auger grouting pipe is arranged at the bottom of the bearing, a large gear is welded at the top end of the stainless steel auger grouting pipe, a first reduction gearbox is arranged on one side of the connecting pipe, a first motor is arranged at the top end of the first reduction gearbox, a small gear connecting rod is arranged at the bottom end of the first reduction gearbox, a small gear is welded at the bottom end of the small gear connecting rod, a centrifugal pump is arranged on one side of the second electric telescopic rod, a slurry conveying pipe is arranged on, the top of second reducing gear box is equipped with the second motor, the bottom of second reducing gear box is equipped with the puddler, the bottom of workstation is equipped with grout and deposits the case, the bottom one end that the case was deposited to grout is equipped with first electric telescopic handle, the bottom of stainless steel auger slip casting pipe is equipped with the check valve, the welding of the top of check valve has the solid fixed ring of baffle, the solid fixed ring's of baffle bottom is equipped with the dwang, first semicircular baffle and the semicircular baffle of second have cup jointed on the dwang respectively, first semicircular baffle with all be equipped with the magnetite on the semicircular baffle of second.
As a preferable technical scheme of the invention, the second electric telescopic rod, the centrifugal pump and the second reduction gearbox are all fixed on the workbench through bolts, and the stainless steel plate is fixedly connected with the second motor telescopic rod through bolts.
As a preferred technical scheme of the invention, the first electric telescopic rod is fixed on the soil pile machine body through a bolt, and the cement paste storage box is fixedly connected with the first electric telescopic rod through a bolt.
As a preferred technical scheme of the invention, the soil pile machine body is welded with the handrail, and the foot brake type idler wheels are fixed at four corners of the bottom of the soil pile machine body through bolts.
As a preferred technical scheme of the invention, the first reduction gearbox and the bearing are welded on the stainless steel plate, a rotating shaft of the first motor is meshed with a gear in the first reduction gearbox, the pinion connecting rod is meshed with the gear in the first reduction gearbox, the pinion is meshed with the gearwheel, and the connecting pipe and the stainless steel grouting pipe are fixedly connected with the bearing.
As a preferred technical scheme of the invention, the connecting pipe is connected with the centrifugal pump through the grouting pipe, and the centrifugal pump is connected with the cement paste storage box through the grouting pipe.
As a preselected technical scheme of the invention, a rotating shaft of the second motor is fixedly connected with a gear in the second reduction gearbox, and the stirring rod is meshed and connected with the gear in the second reduction gearbox.
As a preferred technical solution of the present invention, the power switch is electrically connected to the second electric telescopic rod, the first motor, the first electric telescopic rod, the second motor and the centrifugal pump, respectively.
As a preferred technical scheme, the check valve is welded at the bottom of the stainless steel auger grouting pipe, the rotating rod is fixed in the middle of the check valve, the baffle fixing ring is welded at the top of the check valve, the first semicircular baffle and the second semicircular baffle are both sleeved on the rotating rod, and the first semicircular baffle and the second semicircular baffle are both connected with the baffle fixing ring through the magnet.
A construction method of a small high-pressure jet grouting cement pile machine for testing comprises the following steps:
the method comprises the following steps: the preparation of soil sample, according to the test requirement with the soil sample storage box of corresponding specification of steel sheet concatenation, every steel sheet adopts the bolt fastening, then deposit the case to soil sample and pack soil and tamp, the size that the case was deposited to soil sample can splice and pass through the bolt fastening according to the test requirement, prevents that the drill rod from inserting in-process steel sheet drops each other.
Step two: through switch opens first electric telescopic handle's switch lets first electric telescopic handle the case is deposited to grout is followed stretch out in the earth stake machine body, then pours into the cement soil thick liquid of making into the incasement is deposited to grout, then opens the switch of second motor utilizes the braking of second motor drives the braking of second reducing gear box to drive the puddler is rotatory, and is right the grout of the incasement is deposited to grout stirs.
Step three: and then moving the soil pile machine body to the side of the soil sample manufactured in the first step through the foot brake type idler wheel, and aligning the stainless steel auger grouting pipe to the bottom of the soil sample.
Step four: and then the power supply of the first motor is turned on through the power switch, and then the first motor drives the first reduction gearbox to brake, so that the pinion is driven to rotate, and the pinion drives the gearwheel to rotate, so that the stainless steel auger grouting pipe is driven to rotate.
Step five: through switch opens second electric telescopic handle's switch lets second electric telescopic handle drives the stainless steel sheet descends slowly, lets the inside of the rotatory soil body of stainless steel auger slip casting pipe, the process of descending first semicircular baffle and the semicircular baffle of second in the check valve block earth, the solid fixed ring of baffle blocks first semicircular baffle with the semicircular baffle of second to play and block earth and get into the inside effect of stainless steel auger slip casting pipe.
Step six: then pass through second electric telescopic handle stainless steel auger slip casting pipe slowly pulls out from the earthwork, opens again the power of centrifugal pump, through defeated thick liquid pipe will the grout suction of case is deposited to grout arrives in the stainless steel auger slip casting pipe, under the pressure of grout first semicircular baffle with the semicircular baffle of second is washed away by grout, thereby opens the check valve, grout can pass through in the check valve pours into earth, the slip casting is gone up in the rotation of stainless steel auger slip casting pipe limit.
The invention has the beneficial effects that: this cement soil stake machine can use in experimental, can not only realize full-automatic rotatory spouting thick liquid, can also deposit the grout of incasement to the grout and stir, prevents that the grout from condensing, can stretch out the soil block of pouring into the grout from soil storage box fast, and the people of being convenient for observe, can adjust the degree of depth of slip casting, and construction method is simple easily to be operated moreover, improves experimental efficiency, simple structure, facilitate promotion.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the stirring rod of the present invention;
FIG. 3 is a schematic structural view of a stainless steel auger grouting pipe of the present invention;
FIG. 4 is a top view of the poppet check valve of the present invention;
FIG. 5 is a schematic view of the expanded structure of the poppet check valve of the present invention;
in the figure: 1. a soil pile machine body; 2. a handrail; 3. a power switch; 4. a check valve; 5. rotating the rod; 6. a baffle fixing ring; 7. a magnet; 8. a work table; 9. a second electric telescopic rod; 10. a stainless steel plate; 11. a pinion gear; 12. a first reduction gearbox; 13. a first motor; 14. a connecting pipe; 15. a bearing; 16. a bull gear; 17. a stainless steel auger grouting pipe; 18. a third electric telescopic rod; 19. a foot brake type roller; 20. a cement slurry storage box; 21. a pulp conveying pipe; 22. a centrifugal pump; 23. a second reduction gearbox; 24. a second motor; 25. a stirring rod; 26. a pinion connecting rod; 27. a first semicircular baffle; 28. a second semi-circular baffle.
The specific implementation mode is as follows: the following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand for those skilled in the art, and will thus make the scope of the invention more clearly and clearly recognized.
Example 1
Referring to fig. 1-5, the present invention provides a technical solution: a small cement soil pile machine for tests comprises a soil pile machine body 1, wherein a workbench 8 is arranged at the top end of the soil pile machine body 1, a second electric telescopic rod 9 is arranged at one end of the workbench 8, a stainless steel plate 10 is arranged at the top end of the second electric telescopic rod 9, a connecting pipe 14 is arranged at the top end of the stainless steel plate 10, a bearing 15 is arranged at the bottom of the connecting pipe 14, a stainless steel auger grouting pipe 17 is arranged at the bottom of the bearing 15, a large gear 16 is welded at the top end of the stainless steel auger grouting pipe 17, a first reduction gearbox 12 is arranged at one side of the connecting pipe 14, a first motor 13 is arranged at the top end of the first reduction gearbox 12, a small gear connecting rod 26 is arranged at the bottom end of the small gear connecting rod 26, a small gear 11 is welded at the bottom end of the small gear connecting rod 26, a centrifugal pump 22 is arranged at one side of the second electric telescopic rod, the top of second reducing gear box 23 is equipped with second motor 24, the bottom of second reducing gear box 23 is equipped with puddler 25, the bottom of workstation 8 is equipped with grout and deposits case 20, the bottom one end that case 20 was deposited to grout is equipped with first electric telescopic handle 18, the bottom of stainless steel auger slip casting pipe 17 is equipped with check valve 4, the top welding of check valve 4 has the solid fixed ring of baffle 6, the solid fixed ring's of baffle 6 bottom is equipped with dwang 5, cup jointed first semicircular baffle 27 and the semicircular baffle 28 of second respectively on the dwang 5, first semicircular baffle 27 with all be equipped with magnetite 7 on the semicircular baffle 28 of second.
The second electric telescopic rod 9, the centrifugal pump 22 and the second reduction gearbox 23 are all fixed on the workbench 8 through bolts, and the stainless steel plate 10 is fixedly connected with the second motor telescopic rod 9 through bolts.
First electric telescopic handle 18 passes through the bolt fastening on the soil stake machine body 1, case 20 is deposited to grout passes through the bolt and is fixed continuous with first electric telescopic handle 18.
The welding has handrail 2 on the soil stake machine body 1, and foot brake formula gyro wheel 19 passes through the bolt fastening four corners in the bottom of soil stake machine body 1.
The first reduction gearbox 12 and the bearing 15 are welded on the stainless steel plate 10, a rotating shaft of the first motor 13 is meshed with a gear in the first reduction gearbox 12, the pinion connecting rod 26 is meshed with the gear in the first reduction gearbox 12, the pinion 11 is meshed with the bull gear 16, and the connecting pipe 14 and the stainless steel grouting pipe 17 are fixedly connected with the bearing.
The connecting pipe 14 is connected to the centrifugal pump 22 through a grouting pipe 21, and the centrifugal pump 22 is connected to the cement paste storage tank 20 through the grouting pipe 21.
The rotating shaft of the second motor 24 is fixedly connected with the gear in the second reduction gearbox 23, and the stirring rod 25 is meshed with the gear in the second reduction gearbox 23.
The power switch 3 is electrically connected with the second electric telescopic rod 9, the first motor 13, the first electric telescopic rod 18, the second motor 24 and the centrifugal pump 22 respectively.
Check valve 4 welding is in the bottom of stainless steel auger slip casting 17, and dwang 5 is fixed at the middle part of check valve 4, and the solid fixed ring of baffle 6 welds at the top of check valve 4, and first semicircular baffle 27 and the semicircular baffle 28 of second all cup joint on dwang 5, and first semicircular baffle 27 and the semicircular baffle 28 of second all pass through magnetite 7 with the solid fixed ring of baffle 6 links to each other.
A construction method of a small high-pressure jet grouting cement pile machine for testing comprises the following steps:
the method comprises the following steps: the preparation of soil sample, according to the test requirement with the soil sample storage box of corresponding specification of steel sheet concatenation, every steel sheet adopts the bolt fastening, then deposit the case to soil sample and pack soil and tamp, the size that the case was deposited to soil sample can splice and pass through the bolt fastening according to the test requirement, prevents that the drill rod from inserting in-process steel sheet drops each other.
Step two: open the switch of 18 first electric telescopic handle through switch 3, let 18 deposit the case 20 to the grout and stretch out from the earth stake machine body 1, then pour into the cement mortar of making into the grout and deposit the case 20 in, then open the switch of second motor 24 again, utilize the braking of second motor 24 to drive the braking of second reducing gear box 23, thereby it is rotatory to drive puddler 25, deposit the grout in the case 20 to the grout and stir.
Step three: and then the soil pile machine body 1 is moved to the side of the soil sample manufactured in the step one by the foot brake type idler wheel 19, and the stainless steel auger grouting pipe 17 is aligned to the bottom of the soil sample.
Step four: the power supply of the first motor 13 is turned on through the power supply switch 3, then the first reduction gearbox 12 is driven to brake through the first motor 13, so that the pinion 11 is driven to rotate, the pinion 11 is used for driving the gearwheel 16 to rotate, and the stainless steel auger grouting pipe 17 is driven to rotate.
Step five: open the switch of second electric telescopic handle 9 through switch 3, let second electric telescopic handle 9 drive stainless steel sheet 10 slowly descend, let the inside of stainless steel auger slip casting pipe 17 rotatory soil body, the first semicircular baffle 27 and the semicircular baffle 28 of second in the process check valve 4 that descends block earth, baffle solid fixed ring 6 blocks first semicircular baffle 27 and the semicircular baffle 28 of second, thereby play and block the inside effect of earth entering stainless steel auger slip casting pipe 17.
Step six: then the stainless steel auger grouting pipe 17 is slowly pulled up from the earth through the second electric telescopic rod 9, then the power supply of the centrifugal pump 22 is turned on, the cement slurry in the cement slurry storage box 20 is pumped into the stainless steel auger grouting pipe 17 through the slurry conveying pipe 21, the first semicircular baffle 27 and the second semicircular baffle 28 are flushed by the cement slurry under the pressure of the cement slurry, so that the check valve 4 is opened, the cement slurry can be poured into the earth through the check valve 4, and the stainless steel auger grouting pipe 17 is rotated and lifted up while grouting.
This cement soil stake machine can use in experimental, can not only realize full-automatic rotatory spouting thick liquid, can also deposit the grout of incasement to the grout and stir, prevents that the grout from condensing, can stretch out the soil block of pouring into the grout from soil storage box fast, and the people of being convenient for observe, can adjust the degree of depth of slip casting, and construction method is simple easily to be operated moreover, improves experimental efficiency, simple structure, facilitate promotion.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (1)
1. A construction method of a small high-pressure rotary jet cement-soil pile machine for tests comprises a soil-pile machine body (1) and is characterized in that a workbench (8) is arranged at the top end of the soil-pile machine body (1), a second electric telescopic rod (9) is arranged at one end of the workbench (8), a stainless steel plate (10) is arranged at the top end of the second electric telescopic rod (9), a connecting pipe (14) is arranged at the top end of the stainless steel plate (10), a bearing (15) is arranged at the bottom end of the connecting pipe (14), a stainless steel auger grouting pipe (17) is arranged at the bottom end of the bearing (15), a large gear (16) is welded at the top end of the stainless steel auger grouting pipe (17), a first reduction gearbox (12) is arranged at one side of the connecting pipe (14), a first motor (13) is arranged at the top end of the first reduction gearbox (12), a small gear connecting rod (26) is arranged at the bottom end of the, the bottom of the pinion connecting rod (26) is welded with a pinion (11), one side of the second electric telescopic rod (9) is provided with a centrifugal pump (22), the centrifugal pump (22) is provided with a slurry conveying pipe (21), the other side of the second electric telescopic rod (9) is provided with a second reduction gearbox (23), the top end of the second reduction gearbox (23) is provided with a second motor (24), the bottom end of the second reduction gearbox (23) is provided with a stirring rod (25), the bottom of the workbench (8) is provided with a cement slurry storage box (20), one end of the bottom of the cement slurry storage box (20) is provided with a first electric telescopic rod (18), the bottom of the stainless steel auger grouting pipe (17) is provided with a check valve (4), the top end of the check valve (4) is welded with a baffle fixing ring (6), and the bottom end of the baffle fixing ring (6) is provided with a, a first semicircular baffle (27) and a second semicircular baffle (28) are respectively sleeved on the rotating rod (5), and magnets (7) are respectively arranged on the first semicircular baffle (27) and the second semicircular baffle (28); the second electric telescopic rod (9), the centrifugal pump (22) and the second reduction gearbox (23) are all fixed on the workbench (8) through bolts, and the stainless steel plate (10) is fixedly connected with the second electric telescopic rod (9) through bolts; the first electric telescopic rod (18) is fixed on the soil pile machine body (1) through a bolt, and the cement paste storage box (20) is fixedly connected with the first electric telescopic rod (18) through a bolt; the handrail (2) is welded on the soil pile machine body (1), and the foot brake type idler wheels (19) are fixed at four corners of the bottom end of the soil pile machine body (1) through bolts; the first reduction gearbox (12) and the bearing (15) are welded on the stainless steel plate (10), a rotating shaft of the first motor (13) is meshed with a gear in the first reduction gearbox (12) to be connected, the pinion connecting rod (26) is meshed with the gear in the first reduction gearbox (12) to be connected, the pinion (11) is meshed with the gearwheel (16) to be connected, and the connecting pipe (14) and the stainless steel packing auger grouting pipe (17) are fixedly connected with the bearing (15); the connecting pipe (14) is connected with the centrifugal pump (22) through the slurry conveying pipe (21), and the centrifugal pump (22) is connected with the cement slurry storage box (20) through the slurry conveying pipe (21); a rotating shaft of the second motor (24) is fixedly connected with a gear in the second reduction gearbox (23), and the stirring rod (25) is meshed and connected with the gear in the second reduction gearbox (23); the power switch (3) is respectively and electrically connected with the second electric telescopic rod (9), the first motor (13), the first electric telescopic rod (18), the second motor (24) and the centrifugal pump (22); the check valve (4) is welded at the bottom of the stainless steel auger grouting pipe (17), the rotating rod (5) is fixed in the middle of the check valve (4), the baffle fixing ring (6) is welded at the top of the check valve (4), the first semicircular baffle (27) and the second semicircular baffle (28) are both sleeved on the rotating rod (5), and the first semicircular baffle (27) and the second semicircular baffle (28) are both connected with the baffle fixing ring (6) through the magnet (7);
the construction method of the soil pile machine comprises the following steps:
the method comprises the following steps: preparing a soil sample, namely splicing steel plates into soil sample storage boxes with corresponding specifications according to test requirements, fixing each steel plate by using a bolt, filling soil into the soil sample storage boxes, compacting, splicing the soil sample storage boxes according to the test requirements, and fixing the soil sample storage boxes by using the bolts to prevent the steel plates from falling off in the process of inserting a drill rod;
step two: the power switch of the first electric telescopic rod (18) is turned on through the power switch (3), the cement paste storage box (20) is stretched out of the soil pile machine body (1) through the first electric telescopic rod (18), then the manufactured cement paste is injected into the cement paste storage box (20), then the power switch of the second motor (24) is turned on, the second reduction gearbox (23) is driven to brake through the brake of the second motor (24), so that the stirring rod (25) is driven to rotate, and the cement paste in the cement paste storage box (20) is stirred;
step three: then, the soil pile machine body (1) is moved to the side of the soil sample manufactured in the step one through a foot brake type roller (19), and a stainless steel auger grouting pipe (17) is aligned to the top of the soil sample;
step four: then the power supply of the first motor (13) is turned on through the power switch (3), then the first reduction gearbox (12) is driven to brake through the first motor (13), so that the pinion (11) is driven to rotate, the pinion (11) is used for driving the gearwheel (16) to rotate, and the stainless steel auger grouting pipe (17) is driven to rotate;
step five: the power switch of the second electric telescopic rod (9) is opened through the power switch (3), the second electric telescopic rod (9) drives the stainless steel plate (10) to slowly descend, the stainless steel auger grouting pipe (17) rotates to the inside of the earthwork, a first semicircular baffle (27) and a second semicircular baffle (28) in the descending process check valve (4) block soil, and a baffle fixing ring (6) blocks the first semicircular baffle (27) and the second semicircular baffle (28), so that the effect of blocking the soil from entering the inside of the stainless steel auger grouting pipe (17) is achieved;
step six: then slowly pull up stainless steel auger slip casting pipe (17) from the earthwork through second electric telescopic handle (9), open the power of centrifugal pump (22) again, through defeated thick liquid pipe (21) handle grout deposits the grout in case (20) and sucks in stainless steel auger slip casting pipe (17), under the pressure of grout first semi-circular baffle (27) with second semi-circular baffle (28) are washed away by grout to open check valve (4), during grout passes through check valve (4) and pours into earth, stainless steel auger slip casting pipe (17) edge rises the limit slip casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910976291.0A CN110656666B (en) | 2019-10-15 | 2019-10-15 | Small high-pressure jet grouting cement pile machine for test and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910976291.0A CN110656666B (en) | 2019-10-15 | 2019-10-15 | Small high-pressure jet grouting cement pile machine for test and construction method thereof |
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| CN110656666A CN110656666A (en) | 2020-01-07 |
| CN110656666B true CN110656666B (en) | 2021-06-08 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101586439A (en) * | 2008-05-22 | 2009-11-25 | 王来朋 | Hydraulic power head of full screw earth auger |
| CN105862869A (en) * | 2016-04-12 | 2016-08-17 | 河南理工大学 | Grouting system |
| CN109895242A (en) * | 2017-12-11 | 2019-06-18 | 李志军 | A kind of ceramics manufacture mud grouting device |
| CN209260700U (en) * | 2018-10-27 | 2019-08-16 | 东台康鼎工程机械制造有限公司 | A kind of deep-mixing pile driver |
-
2019
- 2019-10-15 CN CN201910976291.0A patent/CN110656666B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101586439A (en) * | 2008-05-22 | 2009-11-25 | 王来朋 | Hydraulic power head of full screw earth auger |
| CN105862869A (en) * | 2016-04-12 | 2016-08-17 | 河南理工大学 | Grouting system |
| CN109895242A (en) * | 2017-12-11 | 2019-06-18 | 李志军 | A kind of ceramics manufacture mud grouting device |
| CN209260700U (en) * | 2018-10-27 | 2019-08-16 | 东台康鼎工程机械制造有限公司 | A kind of deep-mixing pile driver |
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| Publication number | Publication date |
|---|---|
| CN110656666A (en) | 2020-01-07 |
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