CN113863311A - Construction method for rapid hole forming of anti-slide pile rotary drilling rig and self-soil-taking edger - Google Patents
Construction method for rapid hole forming of anti-slide pile rotary drilling rig and self-soil-taking edger Download PDFInfo
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- CN113863311A CN113863311A CN202111121093.XA CN202111121093A CN113863311A CN 113863311 A CN113863311 A CN 113863311A CN 202111121093 A CN202111121093 A CN 202111121093A CN 113863311 A CN113863311 A CN 113863311A
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- taking
- rotary drilling
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- 238000005553 drilling Methods 0.000 title claims abstract description 48
- 238000010276 construction Methods 0.000 title claims abstract description 34
- 239000002689 soil Substances 0.000 claims abstract description 39
- 238000009966 trimming Methods 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 238000005527 soil sampling Methods 0.000 claims description 35
- 238000005520 cutting process Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 238000007688 edging Methods 0.000 claims description 2
- 230000008602 contraction Effects 0.000 abstract description 2
- 238000009412 basement excavation Methods 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035935 pregnancy Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/06—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers for observation while placing
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/08—Removing obstacles
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/16—Machines for digging other holes in the soil
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a construction method for quickly forming a hole by an anti-slide pile rotary drilling rig and a self-soil-taking edger, wherein the self-soil-taking edger comprises a base, a soil-taking bucket, a trimming cutter head, a hydraulic cylinder and a main rod, the bottom of the front end of the soil-taking bucket is arranged on the base through a revolute pair, the rear end of the soil-taking bucket is connected with the base through the hydraulic cylinder, and the pitching attitude of the soil-taking bucket can be adjusted through the expansion and contraction of the hydraulic cylinder; in the pile hole construction process, firstly, a cleaning field is used for positioning the pile hole, then, the fore shaft construction is completed, then, a plurality of guide holes are dug by the rotary drilling rig, finally, the self-soil-taking edger is installed on the rotary drilling rig, the self-soil-taking edger is driven by the power of the rotary drilling rig to move up and down in the pile hole to be formed to carry out trimming and soil-taking operation, and the quick hole forming of the pile hole is completed. The invention has simple structure, convenient use and strong practicability, combines two steps of trimming and soil taking in the trimming process into a whole, and greatly improves the construction efficiency.
Description
Technical Field
The invention belongs to the technical field of engineering construction, relates to a pile hole forming technology, and particularly relates to a construction method for quickly forming a hole of an anti-slide pile by a rotary drilling rig and a self-borrowing edger.
Background
With the development of society and the continuous progress of science and technology, the requirement on mechanized construction in the engineering field is higher and higher, so that the increasing requirement can be met, and the aims of high efficiency, safety and economy are fulfilled. Traditional friction pile pore-forming adopts the form of manual excavation, and the operating efficiency is low, and engineering cost is high, and artifical operation safety risk in the well is big, for ensureing staff's safety, need take the reinforced concrete dado, and the process is many, need increase processes such as formwork erection, pouring, form removal. And the next excavation operation cycle can be started only after the concrete has certain strength and can be demoulded. On-site tests show that 3 people can only carry out one cycle every day, namely excavation is carried out for 0.6-0.8m, and one pile needs 15d of manual excavation to form a hole. One rotary drilling rig and one edger cooperate to excavate, and the excavation of 2 piles can be accomplished one day, improves work efficiency greatly.
Disclosure of Invention
The invention aims to provide a construction method for quickly forming a hole by an anti-slide pile rotary drilling rig and a self-soil-taking edger, which are used for finishing trimming and soil taking at one time in the anti-slide pile hole forming process and improving the construction efficiency.
In order to achieve the purpose, the invention is implemented according to the following technical scheme:
the utility model provides a from edging edger that is used for friction pile to dig soon and bores quick pore-forming which characterized in that: the soil sampling device comprises a base, a soil sampling bucket, a trimming cutter disc, a hydraulic cylinder and a main rod, wherein the trimming cutter disc is installed on the edge of a soil sampling inlet of the soil sampling bucket; the main rod is fixed on the base, the main rod is installed on the rotary drilling rig through a connecting mechanism, the power of the rotary drilling rig is used for driving the rotary drilling rig to move up and down in a pile hole to be formed to perform trimming and soil taking operations, and the hydraulic cylinder is controlled by a hydraulic system on the rotary drilling rig.
Furthermore, the soil sampling bucket is a shovel-type soil sampling device formed by fixedly connecting a bottom plate, two triangular side plates and a back plate, and the trimming cutter head is fixed on the edge of the front end of the bottom plate.
Furthermore, the trimming cutter head is a triangular prism cutter head, and one sharp corner edge of the triangular prism is a cutting edge for cutting soil.
Furthermore, a connecting steel plate is welded on one surface of the trimming cutter head opposite to the cutting edge, and a plurality of connecting screw holes used for being installed on the soil sampling hopper are formed in the connecting steel plate.
Furthermore, the cross section of the triangular prism column cutter head is a right-angled triangle, and the connecting steel plate is welded on the short straight edge of the right-angled triangle, so that the upper surface of the triangular prism column cutter head is parallel to the bottom plate.
Furthermore, the rhombus column cutter head is made of wear-resistant high manganese steel.
Furthermore, the bottom of the front end of the soil sampling bucket is mounted on the base through two hinges, one end of the hydraulic cylinder is connected with the middle of the rear end of the soil sampling bucket through a hinge, and the other end of the hydraulic cylinder is mounted on the base through a hinge.
Furthermore, coupling mechanism includes connecting plate and locating pin, the connecting plate welding is equipped with on the connecting plate and is used for digging soon the screw that bores the continuous with digging, the locating pin welding is on the mobile jib lateral wall of connecting plate below for the restriction is from the edger swing of fetching earth.
Furthermore, a plurality of triangular reinforcing ribs are arranged between the main rod and the base.
Further, the trimming cutter head cuts the soil body from bottom to top.
The invention also provides a construction method for quickly forming a hole by the rotary drilling of the anti-slide pile, which adopts any one of the self-borrowing edgers and is characterized by comprising the following steps:
step 1, cleaning and leveling a construction site, and cleaning a construction space;
The invention has the following beneficial effects:
the invention has the characteristics that the existing characteristics of the rotary drill are fully utilized, soil is taken while cutting, so that the rapid hole forming of the anti-slide pile rotary drill is realized, the working efficiency is improved, the construction cost is reduced, and the safety of constructors is ensured; and when the cutter head is worn seriously in use, the cutter head can be replaced conveniently and quickly, so that the device has better durability to a certain extent. The self-soil-taking edger is applied to the construction of rotary drilling and pore-forming of the anti-slide pile, the original construction mode is broken, the device is simple, the idea is novel, and great practicability is realized.
Drawings
FIG. 1 is an isometric view of a self-extracting edger of the present invention.
FIG. 2 is a top view of the self-extracting edger of the present invention.
FIG. 3 is a front view of the self-extracting edger of the present invention.
FIG. 4 is a schematic view of the soil sampling bucket without a triangular side plate.
FIG. 5 is a schematic view of the present invention with the soil sampling bucket removed from the soil sampling edger.
The soil-taking device comprises a base 1, a soil-taking hopper 2, a bottom plate 201, a triangular side plate 202, a back plate 203, a trimming cutter head 3, a hydraulic cylinder 4, a main rod 5, a connecting steel plate 6, a connecting plate 7, a positioning pin 8, a triangular reinforcing rib 9 and a hinge 10.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 5, the self-soil-taking edger for rapid hole forming of the anti-slide pile rotary drilling comprises a base 1, a soil-taking bucket 2, a trimming cutter head 3, a hydraulic cylinder 4 and a main rod 5, wherein the trimming cutter head 3 is installed on the edge of a soil-taking inlet of the soil-taking bucket 2, the bottom of the front end of the soil-taking bucket 2 is installed on the base 1 through a revolute pair, the rear end of the soil-taking bucket 2 is connected with the base 1 through the hydraulic cylinder 4, and the pitching attitude of the soil-taking bucket 2 can be adjusted through the expansion and contraction of the hydraulic cylinder 4; the main rod 5 is fixed on the base 1, the main rod 5 is installed on the rotary drilling rig through a connecting mechanism (actually installed at the lower end of a drill rod of the rotary drilling rig), the power of the rotary drilling rig is used for driving the rotary drilling rig to move up and down in a pile hole to be formed to perform trimming and soil sampling operations, and the hydraulic cylinder 4 is controlled by a hydraulic system on the rotary drilling rig.
As shown in fig. 1 and 4, the soil sampling bucket 2 is a shovel-type soil sampling device formed by fixedly connecting a bottom plate 201, two triangular side plates 202 and a back plate 203, and the trimming cutter disc 3 is fixed at the front end edge of the bottom plate 201.
As shown in fig. 4, the trimming cutter head 3 is a triangular prism cutter head, and one acute angle edge of the triangular prism is a cutting edge for cutting soil; the welding has steel connecting plate 6 on the relative face with the cutting edge on deburring blade disc 3, set up a plurality of connection screw holes that are used for installing on the soil sampling fill 2 on the steel connecting plate 6, steel connecting plate 6 is less than the one side width that deburring blade disc 3 is connected, forms unsmooth like this, when connecting, is two mutual perpendicular contacts with bottom plate 201 of soil sampling fill 2, plays the effect of location, and deburring blade disc 3 links to each other with soil sampling fill 2 through bolt detachable, and convenient to detach changes deburring blade disc 3 (the connection steel plate 6 on it of deburring blade disc 3 is changed together).
As a more preferable embodiment, the cross section of the triangular prism-shaped cutter head is a right triangle, and the connecting steel plate 6 is welded on the short straight side of the right triangle, so that the upper surface of the triangular prism-shaped cutter head is parallel to the bottom plate 201; the rhombus column cutter head is made of wear-resistant high manganese steel.
As a specific embodiment, as shown in fig. 3 and 5, the bottom of the front end of the soil sampling bucket 2 is mounted on the base 1 through two hinges 10, the upper end of the hydraulic cylinder 4 is connected with the middle of the back plate 203 of the rear end of the soil sampling bucket 2 through the hinge 10, and the lower end is mounted on the base 1 through the hinge 10.
As a specific embodiment, as shown in fig. 1, the connection mechanism includes a connection plate 7 and a positioning pin 8, the connection plate 7 is welded to the top of the main rod 5, the connection plate 7 is provided with a screw hole for connecting with a rotary drilling rig, and the positioning pin 8 is welded to the side wall of the main rod 5 below the connection plate 7 for limiting the swing of the self-borrowing edger. It should be noted that the connection mechanism provided by the invention is only in a specific distance form, and can be adaptively modified according to the connection mode of the connectors on the rotary drilling rods of different models.
As a specific embodiment, a plurality of triangular reinforcing ribs 9 are provided between the main rod 5 and the base 1, so as to improve the mechanical structural strength of the main rod 5.
The invention utilizes the hydraulic cylinder 4 to adjust the pitching attitude of the soil sampling bucket 2, and carries out soil loading and unloading operations to complete the rapid hole forming of the pile hole. The hydraulic cylinder 4 is controlled by reserving redundant control oil paths on the rotary drilling rig, and the control of the control oil paths can be adjusted by additionally modifying the control oil paths, which can be achieved by adopting the prior art, and the description is omitted.
When the device is used, the oil pipe is connected with the hydraulic cylinder 4, the edger is operated to cut from the middle of the soil pile hole to the inner wall of the pile hole from bottom to top, soil convenient to cut enters the soil taking bucket 2, the soil taking bucket 2 is kept to have a certain inclination angle through the hydraulic cylinder 4 in the cutting process, soil automatically enters the soil taking bucket 2 along with the surface of the trimming cutter disc 3, particularly, the rotary drilling rig can also give a certain vibration amplitude and frequency to the soil taking bucket 2, so that the soil cutting efficiency of the trimming cutter disc 3 is greatly improved, and the cut soil can smoothly flow into the soil taking bucket 2. When soil mass in the soil sampling bucket 2 is accumulated to a certain degree, the soil sampling bucket 2 is lifted to a soil unloading position above the ground through the rotary drilling rig, and the hydraulic control mechanism is operated to push the hydraulic cylinder 4 to extend out so that the soil sampling bucket 2 topples forwards to unload soil. The hydraulic control mechanism controls the telescopic motion of the hydraulic cylinder 4, so that the soil sampling bucket 2 can be stopped at any required inclined position, and then the soil sampling bucket 2 is reset by utilizing self gravity and hydraulic control, thereby achieving the effect of cutting soil body and sampling soil.
The invention also provides a construction method for quickly forming a hole of the slide-resistant pile by rotary drilling, which adopts any one of the self-borrowing edgers, and comprises the following steps:
step 1, cleaning and leveling a construction site, and cleaning a construction space;
and 7, pouring concrete to form the pile body main body.
In the construction process of drilling a hole in an anti-slide pile by rotary drilling, the traditional edger can only cut a soil body, and the bottom of the soil body pile needs to be additionally manually taken, so that the workload is high, and the time and the labor are not safe. Therefore, a safe, economical and efficient device is needed, so that the device is suitable for pregnancy, soil can be taken out while soil is cut and trimmed, the working efficiency is greatly improved to a certain extent, the personal safety of operators can be ensured, and the purposes of economy, reasonability, safety and high efficiency are achieved.
The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.
Claims (10)
1. The utility model provides a from edging edger that is used for friction pile to dig soon and bores quick pore-forming which characterized in that: the soil sampling device comprises a base, a soil sampling bucket, a trimming cutter disc, a hydraulic cylinder and a main rod, wherein the trimming cutter disc is installed on the edge of a soil sampling inlet of the soil sampling bucket; the main rod is fixed on the base, the main rod is installed on the rotary drilling rig through a connecting mechanism, the power of the rotary drilling rig is used for driving the rotary drilling rig to move up and down in a pile hole to be formed to perform trimming and soil taking operations, and the hydraulic cylinder is controlled by a hydraulic system on the rotary drilling rig.
2. The self-borrowing edger according to claim 1, wherein: the soil sampling bucket is a shovel-type soil sampling device formed by fixedly connecting a bottom plate, two triangular side plates and a back plate, and the trimming cutter head is fixed on the edge of the front end of the bottom plate.
3. The self-borrowing edger according to claim 2, wherein: the trimming cutter head is a triangular prism cutter head, and one sharp corner edge of the triangular prism is a cutting edge for cutting soil.
4. The self-borrowing edger according to claim 3, wherein: the trimming cutter is characterized in that a connecting steel plate is welded on one surface of the trimming cutter disc opposite to the cutting edge, and a plurality of connecting screw holes used for being installed on the soil taking bucket are formed in the connecting steel plate.
5. The self-borrowing edger according to claim 4, wherein: the cross section of the triangular prism column cutter head is a right-angled triangle, and the connecting steel plate is welded on the short straight edge of the right-angled triangle, so that the upper surface of the triangular prism column cutter head is parallel to the bottom plate.
6. The self-borrowing edger according to claim 4, wherein: the rhombus column cutter head is made of wear-resistant high manganese steel.
7. A self-borrowing edger according to any one of claims 1 to 6, wherein: the soil sampling device is characterized in that the bottom of the front end of the soil sampling bucket is arranged on the base through two hinges, one end of the hydraulic cylinder is connected with the middle of the rear end of the soil sampling bucket through a hinge, and the other end of the hydraulic cylinder is arranged on the base through a hinge.
8. A self-borrowing edger according to any one of claims 1 to 6, wherein: the connecting mechanism comprises a connecting plate and a positioning pin, the connecting plate is welded to the top of the main rod, a screw hole used for being connected with the rotary drilling rig is formed in the connecting plate, and the positioning pin is welded to the side wall of the main rod below the connecting plate and used for limiting the swing of the self-soil-taking edger.
9. The self-borrowing edger according to claim 8, wherein: a plurality of triangular reinforcing ribs are arranged between the main rod and the base.
10. A construction method for rapid hole forming of an anti-slide pile by rotary drilling is characterized in that the self-borrowing edger disclosed by any one of claims 1-9 is adopted, and the construction method comprises the following steps:
step 1, cleaning and leveling a construction site, and cleaning a construction space;
step 2, measuring and setting out, and positioning the pile hole;
step 3, locking construction is carried out, wherein locking construction is carried out at the position of a corresponding pile hole, the pile hole is a polygonal section, and the locking is also a matched polygonal section;
step 4, drilling a lead hole by a rotary drilling rig; according to geological exploration data, selecting a rotary drilling rig of a corresponding model to drill a plurality of guide holes in a rotary drilling construction pile body section range;
step 5, trimming the hole wall by the edger; the self-borrowing edger is arranged at the lower end of a drill rod of a rotary drill, the edger is in place to trim a hole wall from top to bottom, in the soil body cutting process, the position of the self-borrowing edger at the lower end of the drill rod is adjusted by the walking of a crawler of the rotary drill, the required trimming area is reached, the drill rod is driven by a winch of the rotary drill to move up and down to perform soil cutting and trimming, the power head of the rotary drill is used for driving the drill rod to rotate, the direction of a trimming cutter head on the self-borrowing edger is adjusted, the trimming of different sides of a rectangular pile hole is performed, finally, the slag is removed to the designed pile bottom elevation, in the trimming process, the pitching attitude of a soil fetching bucket is adjusted by a hydraulic cylinder, the soil loading and unloading operations are performed, and the rapid hole forming of the pile hole is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111121093.XA CN113863311A (en) | 2021-09-24 | 2021-09-24 | Construction method for rapid hole forming of anti-slide pile rotary drilling rig and self-soil-taking edger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111121093.XA CN113863311A (en) | 2021-09-24 | 2021-09-24 | Construction method for rapid hole forming of anti-slide pile rotary drilling rig and self-soil-taking edger |
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| Publication Number | Publication Date |
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| CN113863311A true CN113863311A (en) | 2021-12-31 |
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| CN202111121093.XA Pending CN113863311A (en) | 2021-09-24 | 2021-09-24 | Construction method for rapid hole forming of anti-slide pile rotary drilling rig and self-soil-taking edger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116122723A (en) * | 2023-04-18 | 2023-05-16 | 中铁城建集团第一工程有限公司 | Soil material guiding device for milling square pile hole and use method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003286722A (en) * | 2002-03-28 | 2003-10-10 | Fukushima Pulse Kk | Pile driving apparatus for rotary burying pile |
| CN107905236A (en) * | 2017-11-10 | 2018-04-13 | 中铁隧道集团处有限公司 | The construction method of friction pile churning driven fast pore-creating and concrete placings |
| CN211285749U (en) * | 2019-10-25 | 2020-08-18 | 湖州天跃建设工程有限公司 | Roadbed slope trimming equipment |
-
2021
- 2021-09-24 CN CN202111121093.XA patent/CN113863311A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003286722A (en) * | 2002-03-28 | 2003-10-10 | Fukushima Pulse Kk | Pile driving apparatus for rotary burying pile |
| CN107905236A (en) * | 2017-11-10 | 2018-04-13 | 中铁隧道集团处有限公司 | The construction method of friction pile churning driven fast pore-creating and concrete placings |
| CN211285749U (en) * | 2019-10-25 | 2020-08-18 | 湖州天跃建设工程有限公司 | Roadbed slope trimming equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116122723A (en) * | 2023-04-18 | 2023-05-16 | 中铁城建集团第一工程有限公司 | Soil material guiding device for milling square pile hole and use method thereof |
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Application publication date: 20211231 |
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