CN113585262A - Pile driver for flood control emergency - Google Patents
Pile driver for flood control emergency Download PDFInfo
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- CN113585262A CN113585262A CN202110938866.7A CN202110938866A CN113585262A CN 113585262 A CN113585262 A CN 113585262A CN 202110938866 A CN202110938866 A CN 202110938866A CN 113585262 A CN113585262 A CN 113585262A
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- 230000000694 effects Effects 0.000 abstract description 13
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- 230000037431 insertion Effects 0.000 description 13
- 230000009286 beneficial effect Effects 0.000 description 3
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- 229910000831 Steel Inorganic materials 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/22—Placing by screwing down
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Abstract
The invention relates to the technical field of piling, and provides a pile driver for flood prevention and emergency rescue, which comprises a body, a pile driving pressure head, a guide sleeve and a linear driving device, wherein the body is cylindrical and is provided with a cavity, the pile driving pressure head is movably arranged in the cavity and is provided with a pile pressing groove, the pile pressing groove is circular truncated cone-shaped and is provided with a spiral guide bulge, the top of the pile body is circular truncated cone-shaped and is provided with a first spiral guide groove, the pile pressing groove is pressed towards the top of the pile body, so that the pile body rotates downwards, the guide sleeve is arranged on the body and is positioned in the cavity, the guide sleeve is provided with a guide space, the pile driving pressure head and the top of the pile body are movably arranged in the guide space, and the linear driving device is arranged on the body and drives the pile driving pressure head to move. The pile body is also provided with a vertical channel and a transverse channel, the vertical channel is communicated with the transverse channel, and the vertical channel is provided with an inlet. Through the technical scheme, the problem that a pile body driven into the ground does not have a strong fixing effect in the prior art, so that safety accidents occur in flood control emergency work is solved.
Description
Technical Field
The invention relates to the technical field of piling, in particular to a piling machine for flood prevention and emergency rescue.
Background
The pile driving machine is a piling machine which utilizes impact force to drive the pile body into the ground, and is composed of pile hammer, pile frame and auxiliary equipment, the pile frame is a steel structure tower frame, its rear portion is equipped with a hoist for lifting pile and pile hammer, and the front portion of the pile frame is equipped with a guide frame formed from two guide rods for controlling pile driving direction. The pile driver for the flood control emergency equipment in the prior art does not have a strong fixing effect on the pile body driven into the ground, so that safety accidents occur in the flood control emergency engineering.
Disclosure of Invention
The invention provides a pile driver for flood prevention and emergency rescue, which solves the problem that a pile body driven into the ground in the related technology does not have a strong fixing effect, so that safety accidents occur in flood prevention and emergency rescue engineering.
The technical scheme of the invention is as follows:
a pile driver for flood control emergency is used for driving a pile body into the ground, and comprises
The machine body is in a cylinder shape and is provided with a cavity,
the pile driving pressure head is movably arranged in the cavity and is provided with a pile pressing groove which is in a circular truncated cone shape and is provided with a spiral guide protrusion, the top of the pile body is in a circular truncated cone shape and is provided with a first spiral guide groove, the pile pressing groove presses the top of the pile body, so that the pile body moves downwards in a rotating mode,
the guide sleeve is arranged on the machine body, is positioned in the cavity and is provided with a guide space, the pile driving pressure head and the top of the pile body are movably arranged in the guide space,
and the linear driving device is arranged on the machine body and drives the piling pressure head to move.
As a further technical scheme, the pile body is also provided with a vertical channel and a transverse channel, the vertical channel is communicated with the transverse channel, the vertical channel is provided with an inlet, the inlet is positioned at the top of the pile body, the transverse channel is provided with a plurality of outlets, the outlets are positioned on the outer wall of the pile body, and the pile body further comprises
A plurality of movable plug-in units, wherein one movable plug-in unit is arranged in each transverse channel, the length of each movable plug-in unit is greater than that of each transverse channel, one end of each movable plug-in unit is provided with an inclined surface, the inclined surface is exposed in each vertical channel, and the inclined surface faces to the top of the pile body,
the insert rod is used for being inserted into the vertical channel and pressing the insert rod to the inclined surfaces of the movable inserts, so that the movable inserts move along the axial direction of the transverse channel.
As a further technical scheme, one end of the movable plug-in unit, which is far away from the vertical channel, is in a conical shape.
As a further technical scheme, the vertical channel is provided with a second spiral guide groove, and the inserted bar is a spiral inserted bar.
As a further technical proposal, the method also comprises
And the cushion pad is arranged in the guide space and is positioned between the piling pressure head and the top of the pile body.
As a further technical solution, the body has a handle.
As a further technical solution, the cross-sections of the spiral guide protrusion and the first spiral guide groove are triangular.
As a further technical solution, the outer wall of the pile body has a membrane to prevent the mobile insert from falling out of the transverse channel when driving the pile.
A piling method of a pile driver for flood control emergency,
s1, erecting the pile body at the place where pile driving is needed,
s2, inserting a plurality of movable inserts into the transverse channel from the vertical channel, wherein the outer wall of the pile body can not be exposed, exposing the inclined surface of the movable inserts into the vertical channel, leading the inclined surface to face the top of the pile body, inserting the inserted rod into the vertical channel,
s3, aligning the machine body with the pile body, aligning the spiral guide bulge of the piling pressure head with the spiral guide groove at the top of the pile body, pressing the pile body,
and S4, aligning the spiral insertion rod to the vertical channel when the pile body is pressed into the ground, driving the spiral insertion rod into the vertical channel by using the machine body, and enabling the spiral insertion rod to rotate downwards along the second spiral guide groove and contact the inclined surface of the movable plug-in unit so that the movable plug-in unit is transversely inserted into the ground.
The working principle and the beneficial effects of the invention are as follows:
in the invention, the machine body is used for supporting the piling pressure head, the guide sleeve and the linear driving device, is cylindrical and is provided with a cavity, is convenient to operate, use and carry, and is beneficial to putting the pile body into the cavity so as to drive the pile body into the ground; the pile driving pressure head is movably arranged in the cavity and is provided with a pile pressing groove which is of a circular truncated cone shape and a spiral guide bulge, so that the pile driving pressure head can better drive the pile body to be convenient to press the pile body into the ground, the pile pressing groove is of a circular truncated cone shape and can better wrap the driven pile body to bear more comprehensive force so as to drive the pile body into the ground more stably, the problem that safety accidents occur in flood control and emergency rescue engineering because a pile driver in the prior art does not have strong fixing action is solved, the top of the pile body is of a circular truncated cone shape and is provided with a first spiral guide groove, the spiral guide bulge can guide in the first spiral guide groove, the pile pressing groove presses the top of the pile body to enable the pile body to move in a rotary direction, and the spiral guide bulge of the pile driving pressure head is matched with the spiral guide groove at the top of the pile body to use through pressing of the pile driving pressure head, therefore, the pile body is pressed into the ground in a more stable mode, the stability of the pile body in the ground is improved, and the efficiency of driving the pile into the ground is improved well; the guide sleeve is arranged on the machine body and located in the cavity, the guide sleeve is provided with a guide space, the pile driving pressure head and the top of the pile body are movably arranged in the guide space, the guide sleeve is used for providing a guide effect for the movement of the pile driving pressure head and the pile body, the pile body is prevented from deviating from a pile driving position due to improper operation, and accordingly safety accidents are caused; the reciprocating movement of the piling ram to pile requires a linear drive arrangement, which the inventor uses to provide the power required to move the piling ram, located on the machine body.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top plan view of the linear drive assembly and piling ram of the present invention;
FIG. 3 is a top view of the pile body of the present invention;
FIG. 4 is a cross-sectional view of the pilings and mobile inserts of the present invention;
FIG. 5 is a cross-sectional view of the pile body and the inserted rod of the present invention;
in the figure: 1. the pile driving device comprises a machine body, 2, a cavity, 3, a pile driving pressure head, 4, a pile driving groove, 5, a spiral guide protrusion, 6, a first spiral guide groove, 7, a guide sleeve, 8, a guide space, 9, a linear driving device, 10, a vertical channel, 11, a transverse channel, 12, an inlet, 13, an outlet, 14, a movable plug-in unit, 15, a slope, 16, an insertion rod, 17, a second spiral guide groove, 18, a cushion pad, 19, a handle, 20, a blocking film, 21 and a pile body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.
As shown in fig. 1 to 5, the present embodiment provides a pile driver for flood control emergency, which is used for driving a pile body 21 into the ground, and comprises
The machine body 1 is in a cylinder shape and is provided with a cavity 2,
the pile driving pressure head 3 is movably arranged in the cavity 2 and is provided with a pile driving groove 4, the pile driving groove 4 is in a circular truncated cone shape and is provided with a spiral guide protrusion 5, the top of the pile body 21 is in a circular truncated cone shape and is provided with a first spiral guide groove 6, the pile driving groove 4 presses the top of the pile body 21, so that the pile body 21 generates downward rotary motion,
the guide sleeve 7 is arranged on the machine body 1, is positioned in the cavity 2 and is provided with a guide space 8, the top parts of the piling pressure head 3 and the pile body 21 are movably arranged in the guide space 8,
and a linear driving device 9 arranged on the machine body 1 and used for driving the piling press head 3 to move.
In this example, the machine body 1 is used for supporting the driving ram 3, the guide sleeve 7 and the linear driving device 9, the machine body 1 is of a cylindrical shape and has a cavity 2, so that the machine body is convenient to operate, use and carry, and is beneficial to putting the pile body 21 into the cavity 2 so as to drive the pile body 21 into the ground; the pile driving pressure head 3 is movably arranged in the cavity 2 and is provided with a pile pressing groove 4, the pile pressing groove 4 is of a circular truncated cone shape and is provided with a spiral guide protrusion 5, so that the pile driving pressure head 3 can better press the pile body 21 to be convenient to press the pile body 21 into the ground, the pile pressing groove 4 is of a circular truncated cone shape and can better wrap the pressed pile body 21 to bear more comprehensively, the pile is more stably pressed into the ground, the problem that safety accidents occur in flood prevention and emergency rescue engineering due to the fact that pile driving of a pile driver in the prior art does not have a strong fixing effect is solved, the top of the pile body 21 is of a circular truncated cone shape and is provided with a first spiral guide groove 6, the spiral guide protrusion 5 can guide in the first spiral guide groove 6, the pile pressing groove 4 presses the top of the pile body 21 to enable the pile body 21 to move in a rotary direction and downwards, and the pile driving pressure head 3 presses downwards, so that the spiral guide protrusion 5 of the pile driving pressure head 3 is matched with the spiral guide groove at the top of the pile body 21, therefore, the pile body 21 is pressed into the ground in a more stable mode, the stability of the pile body 21 in the ground is improved, and the efficiency of driving the pile into the ground is improved well; the guide sleeve 7 is arranged on the machine body 1 and located in the cavity 2, the guide sleeve is provided with a guide space 8, the top parts of the pile driving pressure head 3 and the pile body 21 are movably arranged in the guide space 8, the guide sleeve 7 is used for providing a guide effect for the movement of the pile driving pressure head 3 and the pile body 21 and preventing the pile body 21 from deviating from a pile driving position due to improper operation, so that a safety accident is generated, the pile driving pressure head 3 vertically moves, a better pile driving effect can be achieved, the pile body 21 can be driven into the ground more easily, the pile driving efficiency is improved, and the problem that the safety accident is generated in the flood prevention and rescue project due to the fact that the pile driver in the prior art does not have a strong fixing effect is solved; the pile driving ram 3 is reciprocated to drive the pile requiring a linear drive 9. the inventor uses the linear drive 9 provided on the machine body 1 to provide the power required to move the pile driving ram 3.
Further, the pile body 21 still has vertical passageway 10 and transverse passage 11, vertical passageway 10 with transverse passage 11 is linked together, vertical passageway 10 has import 12, import 12 is located the top of pile body 21, transverse passage 11 has export 13, is a plurality of, export 13 is located the outer wall of pile body 21 still includes
A plurality of movable inserts 14, one movable insert 14 is arranged in each transverse channel 11, the length of each movable insert 14 is greater than that of each transverse channel 11, one end of each movable insert 14 is provided with an inclined surface 15, the inclined surface 15 is exposed in the vertical channel 10, the inclined surface 15 faces to the top of the pile body 21,
and the insert rod 16 is used for being inserted into the vertical channel 10, and the insert rod 16 presses the inclined surfaces 15 of the plurality of movable inserts 14, so that the plurality of movable inserts 14 move along the axial direction of the transverse channel 11.
In this example, the pile body 21 is further provided with a vertical channel 10 and a transverse channel 11, so as to enable the pile body 21 to be better fixed on the ground, the vertical channel 10 is communicated with the transverse channel 11, the vertical channel 10 is provided with an inlet 12, the inlet 12 is positioned at the top of the pile body 21, the transverse channel 11 is provided with a plurality of outlets 13, the outlets 13 are positioned on the outer wall of the pile body 21, the inventor adds a movable plug 14, the length of the pile body 21 is larger than that of the transverse channels 11, the number of the pile bodies is a plurality, each transverse channel 11 is internally provided with a movable plug-in 14, after the pile body 21 is driven into the ground by moving the plug-in 14, the movable plug 14 is inserted into the ground from the outer wall of the pile body 21, the stability of the pile body 21 is improved, one end of the movable plug 14 is provided with a bevel 15, the inclined plane 15 is exposed in the vertical channel 10, the inclined plane 15 faces to the top of the pile body 21, and the arrangement of the inclined plane 15 can conveniently enable the movable plug-in 14 to be inserted into the ground; the inserted rod 16 is used for being inserted into the vertical channel 10, when the inserted rod 16 presses the inclined plane 15 of the movable inserts 14, the movable inserts 14 are axially moved to be inserted into the ground along the transverse channel 11, the inserted rod 16 presses down along the vertical channel 10 and is in contact fit with the inclined plane 15 of the movable inserts 14, and therefore the stability of the pile body 21 on the ground is further enhanced, and the problem that safety accidents occur in flood control and emergency rescue engineering due to the fact that the pile driver in the prior art does not have a strong fixing effect is solved.
Further, the end of the moving insert 14 remote from the vertical channel 10 is tapered.
In this example, the end of the movable insert 14 away from the vertical channel 10 is tapered, so that when the insert rod 16 presses against the inclined surface 15 of the movable insert 14, and when the movable insert 14 is inserted into the ground, the part of the movable insert 14 inserted into the ground can better receive forces in all directions around the ground, so as to improve the stability of the pile body 21, and solve the problem that the pile driver in the prior art does not have a strong fixing effect, which causes safety accidents in the flood prevention and rescue project.
Further, the vertical channel 10 has a second spiral guide groove 17, and the insert rod 16 is a spiral insert rod.
In this example, the vertical channel 10 has the second spiral guide groove 17, the inserted link 16 is the spiral inserted link 16, and through the cooperation of the second spiral guide groove 17 and the spiral inserted link 16, the movable insert 14 can be better inserted into the ground when the inserted link 16 presses the movable insert 14, so as to improve the stability of the pile body 21.
Further, also comprises
A cushion pad 18 is provided in the guide space 8 between the piling ram 3 and the top of the pile body 21.
In this example, the cushion pad 18 is disposed in the guide space 8 between the pile driving head 3 and the top of the pile body 21, providing a cushioning effect, preventing the pile driving head 3 from generating an excessive pile driving force in the process of driving the pile body 21, and causing the pile body 21 to be damaged, thereby reducing the stability of the pile body 21, reducing the effect of stabilizing the ground, and causing a safety accident.
Further, the body 1 has a handle 19.
In this embodiment, the body 1 has a handle 19, so that the whole piling body 21 can be moved more conveniently, the piling efficiency is improved, and the probability of safety accidents is reduced.
Further, the cross sections of the spiral guide protrusion 5 and the first spiral guide groove 6 are triangular.
In this example, the cross section of spiral guide protrusion 5 and first spiral guide way 6 is triangle-shaped, can further improve the cooperation of spiral guide protrusion 5 and first spiral guide way 6 and use to make pile body 21 can also more smoothly rotate downwards and squeeze into ground under more comprehensive the beat of pile pressure head 3 better, improve the efficiency of piling, thereby reduce the probability that produces the incident.
Further, the outer wall of the pilings 21 has a membrane 20 to prevent the mobile inserts 14 from falling out of the transverse channel 11 during pile driving.
In this example, the outer wall of the pile body 21 is provided with a membrane 20 to prevent the mobile insert 14 from falling out of the transverse channel 11 during driving, so as to reduce the stability of the pile body 21 and the insert rod 16 after driving into the ground and improve the incidence of safety accidents.
The embodiment provides a piling method of a pile driver for flood control emergency, which comprises the following steps of
S1, erecting the pile body 21 at the place where pile driving is needed,
s2, inserting a plurality of movable inserts 14 into the transverse channel 11 from the vertical channel 10, without exposing the outer wall of the pile body 21, exposing the inclined surface 15 of the movable inserts 14 in the vertical channel 10, making the inclined surface 15 face to the top of the pile body 21, inserting the inserted rod 16 into the vertical channel 10,
s3, aligning the machine body 1 with the pile body 21, aligning the spiral guide bulge 5 of the piling pressure head 3 with the spiral guide groove at the top of the pile body 21, pressing the pile body 21,
s4, when the pile body 21 is pressed into the ground, aligning the screw insert rod with the vertical channel 10, using the machine body 1 to drive the screw insert rod into the vertical channel 10, the screw insert rod rotates downwards along the second screw guide groove 17, and the screw insert rod contacts the inclined surface 15 of the movable insert 14, so that the movable insert 14 is transversely inserted into the ground.
In this example, the pile body 21 is firstly erected at a place where pile driving is needed, so that the driving place and direction of the pile body 21 are well controlled, and the pile driving efficiency can be improved; the plurality of movable inserts 14 are inserted into the transverse channel 11 from the vertical channel 10 and cannot expose the outer wall of the pile body 21, the inclined surface 15 of each movable insert 14 is exposed in the vertical channel 10, the inclined surface 15 faces the top of the pile body 21, and the insert rod 16 is inserted into the vertical channel 10, so that preparation work before pile driving is completed, the pile driving efficiency is improved, and the stability of the pile body 21 after being driven into the ground is also improved; the pile driving method comprises the steps that the machine body 1 is aligned to a pile body 21, the spiral guide protrusion 5 of the pile driving pressure head 3 is aligned to the spiral guide groove in the top of the pile body 21, the pile driving is started after the pile driving of the pile body 21 is started, and the spiral guide protrusion 5 is aligned to the spiral guide groove, so that the pile driving accuracy can be improved, the pile body 21 is prevented from deviating from the original preset pile driving position due to misalignment, the pile driving efficiency is reduced, and the stability of the pile body 21 in the ground is also reduced; when the pile body 21 is pressed into the ground, the spiral insertion rod 16 is aligned to the vertical channel 10, the machine body 1 is used for driving the spiral insertion rod 16 into the vertical channel 10, the spiral insertion rod 16 rotates downwards along the second spiral guide groove 17 and contacts with the inclined surface 15 of the movable insertion piece 14, so that the movable insertion piece 14 is transversely inserted into the ground, after the pile body 21 is driven, the insertion rod 16 is driven into the pile body 21 along the vertical channel 10, so that the movable insertion piece 14 is inserted into the ground from the outer wall of the pile body 21, the stability of the pile body 21 in the ground is further improved, the spiral insertion rod 16 is driven in a spiral mode and contacts with the inclined surface 15 of the movable insertion piece 14 more comprehensively and smoothly, and therefore the problem that a pile driver for flood prevention and rescue equipment in the prior art does not have a strong fixing effect on the pile body 21 driven into the ground, and safety accidents occur in flood prevention and rescue projects is solved.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A pile driver for flood control and emergency rescue is used for driving a pile body (21) into the ground and is characterized by comprising
The machine body (1) is cylindrical and is provided with a cavity (2),
the pile driving pressure head (3) is movably arranged in the cavity (2) and is provided with a pile pressing groove (4), the pile pressing groove (4) is of a circular truncated cone shape and is provided with a spiral guide protrusion (5), the top of the pile body (21) is of a circular truncated cone shape and is provided with a first spiral guide groove (6), the pile pressing groove (4) presses towards the top of the pile body (21) so that the pile body (21) generates downward rotary motion,
the guide sleeve (7) is arranged on the machine body (1), is positioned in the cavity (2) and is provided with a guide space (8), the top parts of the piling pressure head (3) and the pile body (21) are movably arranged in the guide space (8),
and the linear driving device (9) is arranged on the machine body (1) and drives the piling press head (3) to move.
2. A pile driver for flood fighting according to claim 1, characterized in that the pile body (21) further comprises a vertical channel (10) and a horizontal channel (11), the vertical channel (10) is communicated with the horizontal channel (11), the vertical channel (10) is provided with an inlet (12), the inlet (12) is located at the top of the pile body (21), the horizontal channel (11) is provided with an outlet (13) which is a plurality of, and the outlet (13) is located on the outer wall of the pile body (21), and the pile driver further comprises
A plurality of movable inserts (14), wherein one movable insert (14) is arranged in each transverse channel (11), the length of each movable insert (14) is greater than that of each transverse channel (11), one end of each movable insert (14) is provided with an inclined surface (15), the inclined surface (15) is exposed in the vertical channel (10), and the inclined surface (15) faces to the top of the pile body (21),
the insert rod (16) is used for being inserted into the vertical channel (10), and the insert rod (16) presses the inclined surfaces (15) of the plurality of movable inserts (14) so that the plurality of movable inserts (14) move along the axial direction of the transverse channel (11).
3. A pile driver for emergency flood fighting according to claim 2, characterized in that the end of the mobile insert (14) remote from the vertical channel (10) is cone-shaped.
4. A pile driver for emergency flood fighting according to claim 3, characterized in that the vertical channel (10) has a second spiral guide groove (17) and the insert rod (16) is a spiral insert rod.
5. The pile driver for emergency flood fighting according to claim 4, further comprising
A cushion pad (18) disposed within the guide space (8) between the piling ram (3) and the top of the pile body (21).
6. Pile driver for flood fighting according to claim 5, characterized in that the body (1) has a handle (19).
7. Pile driver for emergency flood fighting according to claim 6, characterized in that the cross-section of the spiral guide protrusion (5) and the first spiral guide groove (6) is triangular.
8. Pile driver for flood fighting according to claim 7, characterized in that the outer wall of the pile body (21) has a membrane (20) to prevent the moving insert (14) from falling out of the transverse channel (11) when driving the pile.
9. A piling method of a pile driver for flood control emergency, which is characterized in that,
s1, erecting the pile body (21) at the place where pile driving is needed,
s2, inserting a plurality of movable inserts (14) into the transverse channel (11) from the vertical channel (10) without exposing the outer wall of the pile body (21), exposing the inclined surface (15) of the movable inserts (14) in the vertical channel (10), enabling the inclined surface (15) to face the top of the pile body (21), inserting the inserted rod (16) into the vertical channel (10),
s3, aligning the machine body (1) with the pile body (21), aligning the spiral guide bulge (5) of the piling pressure head (3) with the spiral guide groove at the top of the pile body (21) to press the pile body (21),
and S4, aligning the spiral inserted rod with the vertical channel (10) when the pile body (21) is pressed into the ground, driving the spiral inserted rod into the vertical channel (10) by using the machine body (1), wherein the spiral inserted rod rotates downwards along the second spiral guide groove (17) and contacts the inclined surface (15) of the movable insert (14), so that the movable insert (14) is transversely inserted into the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110938866.7A CN113585262A (en) | 2021-08-16 | 2021-08-16 | Pile driver for flood control emergency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110938866.7A CN113585262A (en) | 2021-08-16 | 2021-08-16 | Pile driver for flood control emergency |
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| Publication Number | Publication Date |
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| CN113585262A true CN113585262A (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110938866.7A Pending CN113585262A (en) | 2021-08-16 | 2021-08-16 | Pile driver for flood control emergency |
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- 2021-08-16 CN CN202110938866.7A patent/CN113585262A/en active Pending
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| JP2005226269A (en) * | 2004-02-10 | 2005-08-25 | Mitani Sekisan Co Ltd | Method for burying prefabricated pile and prefabricated pile |
| CN1730838A (en) * | 2005-08-04 | 2006-02-08 | 张文巨 | Longitudinally inserted horizontally wedged construction pile and its construction method |
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| CN211646385U (en) * | 2019-10-30 | 2020-10-09 | 浙江大地岩土勘察有限责任公司 | Pile hammer device of multifunctional precast pile |
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Application publication date: 20211102 |
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