CN115637699A - Piling device and piling method - Google Patents
Piling device and piling method Download PDFInfo
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- CN115637699A CN115637699A CN202110813999.1A CN202110813999A CN115637699A CN 115637699 A CN115637699 A CN 115637699A CN 202110813999 A CN202110813999 A CN 202110813999A CN 115637699 A CN115637699 A CN 115637699A
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- pile body
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- 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
- E02D13/04—Guide devices; Guide frames
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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
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
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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
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention relates to a piling device and a piling method, wherein the piling device comprises a pile body, a guide pipe for changing the motion track of the pile body inserted into the stratum and a driving device for providing power for the pile body inserted into the stratum, the driving device is connected with the pile body, and the guide pipe can be rotatably connected to the bottom of the pile body; a guiding direction control device for regulating and controlling the swinging direction of the guiding pipe is arranged between the pile body and the guiding pipe. The invention solves the technical problem that the track control in the pile inserting process cannot be realized.
Description
Technical Field
The invention relates to the technical field of directional piling, in particular to piling equipment and a piling method.
Background
At present, pile insertion (or pile driving) usually adopts hammering insertion, static pressure insertion or dynamic load insertion, wherein the pile or pile body may be a permanent foundation or a temporarily inserted pile or pile body for the purpose of punching holes in soft ground or rheological ground.
In the piling process, the prior art cannot realize the track control in the pile body inserting process, the slender pile body is easy to be inclined in the process of being hammered into the stratum, and at present, a piling guiding mode (guiding the motion track of the pile through a guide frame) is adopted, but in the mode, the guide frame can only be arranged on the ground or in a piling ship, the problem that the slender pile body is difficult to control is solved. In addition, some piling constructions use an engineering pile guide device, which inserts an engineering pile into underwater soil from a positioning cylinder through the positioning cylinder to achieve the purpose of improving piling stability, but this method still cannot solve the above-mentioned guiding problem of a relatively slender pile body (a pile body with a length-diameter ratio greater than 10), and obtains a weak effect through high cost, which is not paid.
In the application of seabed construction, the seabed soil quality is soft in marine pile driving and seabed pile driving, and the pile pipe is greatly influenced by uncertainty of seawater, ships and the like, so that the pile pipe is easy to incline. And pile driving is also required in the cluster drilling process flow, and the increased density of the piles increases the collision risk in the process of self and subsequent drilling. Therefore, when the pile body is required to be inserted into the stratum in a curved track, the track control of the pile inserting process cannot be realized at all in the prior art, and the development of shallow resources, particularly the development of seabed shallow resources, is limited.
Aiming at the problem that the track control in the pile inserting process cannot be realized in the related technology, an effective solution is not provided at present.
Therefore, the inventor provides the piling equipment and the piling method by virtue of experience and practice of related industries for many years, so as to overcome the defects in the prior art.
Disclosure of Invention
The invention aims to provide a piling device and a piling method, which can control and adjust the motion trail of a pile body in the pile inserting process, thereby realizing the controllable deflection of the pile body in a shallow layer and improving the piling stability.
The purpose of the invention can be realized by adopting the following technical scheme:
the invention provides a piling device, which comprises a pile body, a guide pipe for changing the motion track of the pile body inserted into the stratum and a driving device for providing power for inserting the pile body into the stratum, wherein:
the driving device is connected with the pile body, and the guide pipe is rotatably connected to the bottom of the pile body; and a guide direction control device for regulating and controlling the swing direction of the guide pipe is arranged between the pile body and the guide pipe.
In a preferred embodiment of the present invention, the guiding tube includes a rotating tube and a guiding tube, the rotating tube and the guiding tube are both truncated circular tubes, the rotating tube is coaxially connected to the pile body, the top of the rotating tube is rotatably connected to the bottom of the pile body, the bottom of the rotating tube is rotatably connected to the top of the guiding tube, and an included angle is formed between the axis of the guiding tube and the axis of the pile body.
In a preferred embodiment of the present invention, a first connecting bearing is disposed between the rotating pipe and the pile body, and a second connecting bearing is disposed between the rotating pipe and the guiding pipe.
In a preferred embodiment of the present invention, a guide angle control device for regulating and controlling a swing angle of the guide tube is disposed between the rotating tube and the guide tube, and both the guide angle control device and the guide direction control device are connected to a signal processing device outside the guide tube through a cable.
In a preferred embodiment of the present invention, the guiding direction control device includes a plurality of hydraulic cylinders, a hinge ring is disposed between the pile body and the guiding pipe, an outer wall of the hinge ring is fixedly connected to an inner wall of a bottom of the pile body, the hinge ring is sleeved on an outer wall of a top of the guiding pipe, a convex step having an arc-shaped cross section is formed on the outer wall of the top of the guiding pipe, a groove matched with the convex step is formed on the inner wall of the hinge ring, the convex step is movably embedded in the groove, and each hydraulic cylinder is connected between the pile body and the guiding pipe.
In a preferred embodiment of the present invention, the hydraulic cylinders are uniformly and spaced apart along the circumference of the pile body, a main body portion of each hydraulic cylinder is connected to the bottom inner wall of the pile body, and a piston rod portion of each hydraulic cylinder is connected to the top inner wall of the guide pipe.
In a preferred embodiment of the present invention, the guiding direction control device further includes a hydraulic power source disposed outside the guiding tube, and the hydraulic power source is connected to each of the hydraulic cylinders through hydraulic lines.
In a preferred embodiment of the present invention, the pile driving apparatus further includes a pile shoe disposed at the bottom of the guide tube, and an attitude measuring device is disposed on the guide tube and near the pile shoe, and the attitude measuring device is connected to a signal processing device outside the guide tube through a cable.
In a preferred embodiment of the present invention, the attitude measurement device includes an electronic measurement device or a mechanical measurement device;
the electronic measurement device comprises an accelerometer, a magnetometer and/or a gyroscope;
the mechanical measuring device comprises a mechanical measuring mechanism and a recording mechanism, wherein the mechanical measuring mechanism comprises a level bar, a plumb bob and/or a side-inclined pendulum bob; the recording mechanism includes a video recorder.
In a preferred embodiment of the present invention, the driving device is a pile driver or a pile insertion machine, and the driving device is located inside the pile body or above the pile body.
In a preferred embodiment of the present invention, the pile body is a slotted pipe.
The invention provides a piling method, which comprises the following steps:
step S1: continuously providing power for the pile body to enter the stratum through the driving device;
step S2: when the movement track of the pile body needs to be changed, the guide pipe is controlled to swing through the guide direction control device and forms a preset included angle with the pile body;
and step S3: and (5) driving the pile body into the ground to a preset position, and finishing the guiding piling.
In a preferred embodiment of the present invention, in the step S1, the attitude information of the guide tube near the position of the pile shoe is collected in real time by the attitude measurement device and transmitted to the signal processing device, so that ground personnel can monitor the attitude of the position of the pile shoe on the guide tube by the signal processing device.
In a preferred embodiment of the present invention, after the step S3, the method further includes a step S4: and the attitude measuring device and the hydraulic pipeline are recycled to the ground through a cable.
In a preferred embodiment of the present invention, the step S2 includes,
step S201: the working state of each corresponding hydraulic cylinder is controlled by a hydraulic power source, so that the piston rod part of the hydraulic cylinder far away from the guide pipe in the pre-deflection direction extends outwards, and/or the piston rod part of the hydraulic cylinder close to the guide pipe in the pre-deflection direction retracts inwards;
step S202: and when the pile body enters the stratum, the stratum gives the guide pipe pressure to the pre-deflection direction of the guide pipe, so that the pile body deflects in the piling process.
As described above, the pile driving apparatus and the pile driving method of the present invention have the following features and advantages: the bottom of the pile body can be rotatably connected with the guide pipe, the guide direction control device is arranged between the pile body and the guide pipe, when the driving device provides power for the pile body to be inserted into the stratum, the swing direction of the guide pipe can be regulated and controlled through the guide direction control device, the movement track of the pile body to be inserted into the stratum can be changed, the slender pile body can be controllably inserted into the stratum, the controllable deflection of the pile body can be realized in a shallow region of the stratum, the stability of piling can be effectively improved, when shallow minerals are developed, the deflection of the pile body can be realized in a shallower layer, and the pile body deflection control device has better applicability.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention.
Wherein:
FIG. 1: is one of the structural schematic diagrams of the piling device of the invention.
FIG. 2 is a schematic diagram: is a second structural schematic diagram of the piling equipment of the present invention.
FIG. 3: is a perspective view of the connection structure of the pile body and the guide pipe in fig. 2.
FIG. 4: is a front view of the connection structure of the pile body and the guide pipe in fig. 2.
FIG. 5: a third schematic structural diagram of the piling equipment of the invention is shown.
FIG. 6: a partial enlarged view of the position a in fig. 5.
The reference numbers in the invention are:
1. a pile body; 2. A guide tube;
201. rotating the tube; 202. A guide tube;
203. a second connection bearing; 204. A convex step;
205. a pile shoe; 3. A drive device;
4. a guide direction control device; 401. A hydraulic cylinder;
402. a hinge loop; 403. A hydraulic power source;
404. a hydraulic line; 5. A guide angle control device;
6. a cable; 7. A signal processing device;
8. a first connecting bearing; 9. An attitude measuring device;
10. an outer gear; 11. An internal gear.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
Implementation mode one
As shown in fig. 1 to 5, the present invention provides a piling rig, which comprises a pile body 1, a guide pipe 2 and a driving device 3, wherein the guide pipe 2 is used for changing the motion track of the pile body 1 inserted into the ground, and the driving device 3 is used for providing power for inserting the pile body 1 into the ground, wherein: the driving device 3 is connected with the top of the pile body 1, and the guide pipe 2 is rotatably connected with the bottom of the pile body 1; a guiding direction control device 4 is arranged between the pile body 1 and the guide pipe 2, and the swinging direction of the guide pipe 2 can be regulated and controlled through the guiding direction control device 4. The rotatable connection comprises a rotatable connection realized by adopting a bearing or a swingable connection realized by adopting a joint structure; the guide tube can comprise a bent tube, an oblique-section round tube or a straight tube, wherein the oblique-section round tube is an oblique-section cylindrical tube body, namely a special cylindrical tube body with a trapezoidal longitudinal section formed after being split along the axis of the tube body.
According to the invention, the bottom of the pile body 1 is rotatably connected with the guide pipe 2, the guide direction control device 4 is arranged between the pile body 1 and the guide pipe 2, when the driving device 3 provides power for inserting the pile body 1 into the stratum, the swing direction of the guide pipe 2 can be regulated and controlled through the guide direction control device 4 so as to change the movement track of the pile body 1 inserted into the stratum, and the slender pile body 1 can be controllably inserted into the stratum, so that the controllable deflection of the pile body 1 can be realized in a shallow layer area of the stratum, the piling stability can be effectively improved, shallow layer minerals can be developed, meanwhile, the deflection of the pile body can be realized in a shallower layer, and the invention has better applicability. In addition, the invention can also solve the problem that offshore pile driving and seabed pile driving are easy to be inclined, and for the slave well with the dense pile shoes 205, the guide pipes can be separated from each other with a certain curvature, so that the number of the bearing guide pipes of the well head groove is greatly expanded, the well position is increased, and the invention is suitable for large-scale popularization and use.
Further, the driving device 3 may be a pile driver or a pile inserter, and the driving device 3 may be disposed on the inner side of the top of the pile body 1 or above the pile body 1. Of course, the driving device 3 may be another power mechanism, and may be any power mechanism that can provide power for inserting the pile body 1 into the ground and hammer the pile body 1 into the ground. Wherein the stratum comprises a mud layer, quicksand, a soil layer and a rock layer.
Further, the pile body 1 may be, but not limited to, a circular tubular structure.
Further, the pile body 1 can be but not limited to a slotted pipe, and the slot on the slotted pipe can increase the flexibility of the pile body 1, so that the pile body 1 can be bent more easily.
In an alternative embodiment of the present invention, as shown in fig. 2 to 4, the guide tube 2 includes a rotating tube 201 and a guide tube 202, the rotating tube 201 and the guide tube 202 are both truncated circular tubes (i.e., the top of the guide tube 202 and the bottom of the rotating tube 201 are both an oblique cross section, i.e., an oblique plane as shown in fig. 2 and 4), the rotating tube 201 is coaxially connected with the pile body 1, the top of the rotating tube 201 is rotatably connected with the bottom of the pile body 1, the bottom of the rotating tube 201 is rotatably connected with the top of the guide tube 202, and the axis of the guide tube 202 forms an included angle with the axis of the pile body 1. The movement track of the pile body 1 in the stratum inserting process can be regulated and controlled by controlling the deflection direction of the rotating pipe 201, so that the pile body 1 enters the stratum along an expected track; the guide tube 202 is used for guiding the pile body 1 to be inserted into the ground.
Further, as shown in fig. 2, a first connecting bearing 8 is provided between the rotating pipe 201 and the pile body 1, and a second connecting bearing 203 is provided between the rotating pipe 201 and the guide pipe 202.
In an alternative embodiment of the present invention, as shown in fig. 5 and 6, the guiding direction control device 4 includes a plurality of hydraulic cylinders 401, a hinge ring 402 is disposed between the pile body 1 and the guiding pipe 2, an outer wall of the hinge ring 402 is fixedly connected to an inner wall of a bottom of the pile body 1, the hinge ring 402 is sleeved on an outer wall of a top of the guiding pipe 2, a protruding step 204 with an arc-shaped cross section is formed on the outer wall of the top of the guiding pipe 2, a groove matched with the protruding step 204 is formed on the inner wall of the hinge ring 402, the protruding step 204 is movably embedded in the groove, and each hydraulic cylinder is connected between the pile body 1 and the guiding pipe 2. By controlling the working state of each hydraulic cylinder 401, the piston rod part of each hydraulic cylinder 401 is extended or shortened as required, so that a certain included angle is formed between the guide pipe 2 and the pile body 1, and the purpose of controlling the deflection direction of the guide pipe 2 in the piling process is achieved.
Further, as shown in fig. 5, the hydraulic cylinders 401 are uniformly and alternately distributed along the circumference of the pile body 1, the main body of each hydraulic cylinder 401 is fixedly connected with the bottom inner wall of the pile body 1, and the piston rod portion of each hydraulic cylinder 401 extends out of the main body of the corresponding hydraulic cylinder 401 and is fixedly connected with the top inner wall of the guide pipe 2.
In an alternative embodiment of the present invention, as shown in fig. 5, the guiding direction control device 4 further includes a hydraulic power source 403, the hydraulic power source 403 is disposed outside the guiding pipe 2, and the hydraulic power source 403 is connected to each hydraulic cylinder 401 through a hydraulic pipeline 404, and the hydraulic power source 403 supplies hydraulic power to each hydraulic cylinder 401, thereby controlling the extension and contraction of each hydraulic cylinder 401.
In an alternative embodiment of the present invention, as shown in fig. 2, a guiding angle control device 5 is disposed between the rotating tube 201 and the guiding tube 202, the guiding angle control device 5 is used for regulating and controlling the swing angle of the guiding tube 202, and both the guiding angle control device 5 and the guiding direction control device 4 are connected with a signal processing device 7 outside the guiding tube 2 through a cable 6. During pile driving, the guide angle control device 5 and the guide direction control device 4 can receive control signals sent by the signal processing device 7, so that the deflection direction and the angle of the guide pipe 2 can be controlled.
Wherein, the guiding angle control device 5 is used for controlling the guiding strength, namely controlling the curvature of the pile inserting track; and the guiding direction control device 4 is used for controlling the guiding direction, namely, the azimuth angle of the advancing pile body. In the case that the angle between the rotating pipe 201 and the guide pipe 202 is not changed, the guiding direction control device 4 is fixedly connected to the pile body, and as shown in fig. 2, the motor in the guiding direction control device 4 drives the internal gear 11 disposed inside the rotating pipe 201 to rotate through the external gear 10, and further drives the rotating pipe 201 to rotate relative to the pile body. The guide angle control device 5 is fixedly connected with the rotating pipe 201, a motor in the guide angle control device 5 drives an inner gear 11 arranged on the inner side of the top of the guide pipe 202 to rotate through an outer gear 10, and further drives the guide pipe 202 to rotate relative to the rotating pipe 201, and because the guide pipe 202 and the rotating pipe 201 are truncated circular pipes and the connecting surface of the guide pipe 202 and the rotating pipe 201 is a truncated circular section, the axial angle between the guide pipe 202 and the rotating pipe 201 changes immediately when the guide pipe 202 and the rotating pipe 201 rotate relative to each other. In this embodiment, the angle of the slope of the top of the guide tube 202 is identical to the angle of the slope of the bottom of the rotary tube 201, so that an angle always satisfying the coaxiality of the guide tube 202 and the rotary tube 201 can be satisfied. The connection principle and the specific mechanical theory of the above-mentioned mode are consistent with the theory of realizing rotary deflection of the circular tube with the inclined section applied in other fields, and the rotary deflection mode is common in the tail part of the engine of the airplane and other types of exhaust pipes, and is not described herein again.
In an alternative embodiment of the present invention, as shown in fig. 1 to 5, the pile driving apparatus further includes a pile shoe 205, the pile shoe 205 is disposed at the bottom of the guide pipe 2, an attitude measuring device 9 is disposed on the guide pipe 2 and at a position close to the pile shoe 205, the attitude measuring device 9 is connected to a signal processing device 7 outside the guide pipe 2 through a cable 6, and attitude information of the guide pipe 2 close to the pile shoe position is collected in real time through the attitude measuring device 9 and transmitted to the signal processing device 7, so that ground personnel can monitor the attitude of the pile shoe position on the guide pipe 2 through the signal processing device 7.
Further, the attitude measuring device 9 includes an electronic measuring device or a mechanical measuring device; wherein the electronic measurement device comprises an accelerometer, a magnetometer and/or a gyroscope; the mechanical measuring device comprises a mechanical measuring mechanism and a recording mechanism.
Further, the mechanical measuring mechanism comprises a level bar, a plumb bob and/or a side-tilting pendulum bob; the recording mechanism comprises a video recorder, and the video recorder can monitor the level ruler arranged at the position of the pile shoe in real time so as to judge the posture of the bottom of the pile body 1 (namely the position of the pile shoe).
The piling equipment has the characteristics and advantages that:
the piling equipment can controllably hammer the relatively slender pile body 1 into the stratum, thereby realizing controllable deflection of the pile body 1 in a shallow layer, improving the piling stability, realizing deflection in a shallower layer when developing shallow minerals,
the pile driving equipment can effectively solve the problem that offshore pile driving and seabed pile driving are easy to skew, and the slave wells with the pile shoes 205 which are dense can enable the guide pipes to be far away from each other with a certain curvature, so that the number of the guide pipes borne by the wellhead slot is greatly expanded, and the increase of well positions is facilitated.
Second embodiment
The invention provides a piling method, which comprises the following steps:
step S1: continuously providing power for the pile body 1 to enter the stratum through the driving device 3;
specifically, a pile driver is used for continuously providing power for a pile body 1 to enter a stratum, in the piling process, attitude information of a guide pipe 2 close to a pile shoe position is collected in real time through an attitude measuring device 9 and is transmitted to a signal processing device 7, and therefore ground personnel can monitor the attitude of the pile shoe position on the guide pipe 2 through the signal processing device 7.
Step S2: when the movement track of the pile body 1 needs to be changed, the guide pipe 2 is controlled to swing through the guide direction control device 4 and form a preset included angle with the pile body 1;
further, step S2 includes step S201: the working state of each hydraulic cylinder 401 is controlled by the hydraulic power source 403, so that the piston rod part of the hydraulic cylinder 401 far away from the pre-deflection direction of the guide pipe 2 extends outwards, and/or the piston rod part of the hydraulic cylinder 401 close to the pre-deflection direction of the guide pipe 2 retracts inwards, thereby realizing the control of the deflection direction of the guide pipe 2;
step S202: the pile shoe 205 is hammered into the ground by the hammering action of the pile driver, and during hammering, while the pile body 1 enters the ground, the ground applies pressure to the guide pipe 2 in the pre-deflection direction of the guide pipe 2 (which is a component force generated in the pre-deflection direction of the guide pipe 2 when the ground applies pressure to the guide pipe 2), so that the pile body 1 deflects in the direction of desired deflection during piling.
And step S3: and (5) driving the pile body 1 into the ground to a preset position, and finishing the guiding piling.
In an optional embodiment of the present invention, after step S3, step S4 is further included: the attitude measuring device 9 and the hydraulic line 404 are retrieved to the surface through the cable 6.
The piling method has the characteristics and advantages that:
the piling method is simple to operate and high in applicability, and can controllably hammer the relatively slender pile body 1 into the stratum, so that the controllable deflection of the pile body 1 can be realized in a shallow layer, the piling stability is improved, and the deflection can be realized in a shallower layer when shallow minerals are developed; in the piling process, the worker can regulate and control the inclination direction of the pile body 1 on the ground, and the automation degree is greatly improved. In addition, the pile driving method can effectively solve the problem that offshore pile driving and seabed pile driving are prone to deflection, and for the slave wells with the pile shoes 205 being dense, the guide pipes can be far away from each other with a certain curvature, so that the number of the well mouth groove bearing guide pipes is greatly expanded, and the increase of well positions is facilitated.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications of the invention without departing from the spirit and principles of the invention should be considered within the scope of the invention.
Claims (15)
1. A piling rig comprising a pile body, a guide tube for altering the trajectory of movement of the pile body into a formation, and a drive means for powering the pile body into the formation, wherein:
the driving device is connected with the pile body, and the guide pipe is rotatably connected to the bottom of the pile body; and a guide direction control device for regulating and controlling the swing direction of the guide pipe is arranged between the pile body and the guide pipe.
2. Piling device according to claim 1 wherein said guide tube comprises a rotating tube and a guide tube, said rotating tube and said guide tube are truncated circular tubes, said rotating tube is coaxially connected to said pile body, the top of said rotating tube is rotatably connected to the bottom of said pile body, the bottom of said rotating tube is rotatably connected to the top of said guide tube, and the axis of said guide tube is at an angle to the axis of said pile body.
3. Pile driving apparatus as claimed in claim 2, wherein a first coupling bearing is provided between the swivel tube and the pile body, and a second coupling bearing is provided between the swivel tube and the guide tube.
4. Piling device according to claim 2 wherein a guide angle control device for adjusting and controlling the swing angle of said guide tube is provided between said rotary tube and said guide tube, said guide angle control device and said guide direction control device being connected by a cable to a signal processing device external to said guide tube.
5. Piling device according to claim 1, wherein the guiding direction control device comprises a plurality of hydraulic cylinders, a hinge ring is arranged between the pile body and the guiding pipe, the outer wall of the hinge ring is fixedly connected with the inner wall of the bottom of the pile body, the hinge ring is sleeved on the outer wall of the top of the guiding pipe, a convex step with an arc-shaped cross section is formed on the outer wall of the top of the guiding pipe, a groove matched with the convex step is formed on the inner wall of the hinge ring, the convex step is movably embedded in the groove, and each hydraulic cylinder is connected between the pile body and the guiding pipe.
6. Piling device according to claim 5 wherein said cylinders are uniformly spaced around the circumference of said pile body, and wherein the body portion of each cylinder is connected to the bottom interior wall of said pile body and the piston rod portion of each cylinder is connected to the top interior wall of said guide tube.
7. Pile driving apparatus as claimed in claim 5, wherein the steering direction control means further comprises a hydraulic power source disposed outside the guide tube and connected to each of the hydraulic cylinders via hydraulic lines, respectively.
8. Piling device according to claim 1, characterised in that it further comprises a pile shoe arranged at the bottom of the guide tube, an attitude measuring device being arranged on the guide tube in proximity to the pile shoe, said attitude measuring device being connected by means of cables to a signal processing device outside the guide tube.
9. Piling device as recited in claim 8, wherein said attitude measuring means comprises an electronic measuring device or a mechanical measuring device;
the electronic measurement device comprises an accelerometer, a magnetometer and/or a gyroscope;
the mechanical measuring device comprises a mechanical measuring mechanism and a recording mechanism, wherein the mechanical measuring mechanism comprises a level bar, a plumb bob and/or a laterally inclined pendulum bob; the recording mechanism includes a video recorder.
10. Piling device as claimed in claim 1, wherein said drive means is a pile driver or pile inserter, said drive means being located inside said pile body or above said pile body.
11. Piling device as recited in claim 1 wherein said pile body is a slotted tube.
12. A method of piling, comprising the steps of:
step S1: continuously providing power for the pile body to enter the stratum through the driving device;
step S2: when the movement track of the pile body needs to be changed, the guide pipe is controlled to swing through the guide direction control device and forms a preset included angle with the pile body;
and step S3: and (5) driving the pile body into the ground to a preset position, and finishing the guiding piling.
13. Piling method according to claim 12 wherein in step S1 attitude information of the guide tube near the shoe position is collected in real time by an attitude measuring device and transmitted to a signal processing device so that ground personnel can monitor the attitude of the guide tube at the shoe position by the signal processing device.
14. Piling method according to claim 13, characterised in that after said step S3, it further comprises a step S4 of: and the attitude measuring device and the hydraulic pipeline are recycled to the ground through a cable.
15. Piling method according to claim 12, wherein said step S2 includes,
step S201: the working state of each corresponding hydraulic cylinder is controlled by a hydraulic power source, so that the piston rod part of the hydraulic cylinder far away from the guide pipe in the pre-deflection direction extends outwards, and/or the piston rod part of the hydraulic cylinder close to the guide pipe in the pre-deflection direction retracts inwards;
step S202: and when the pile body enters the stratum, the stratum gives the guide pipe pressure to the pre-deflection direction of the guide pipe, so that the pile body deflects in the piling process.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110813999.1A CN115637699A (en) | 2021-07-19 | 2021-07-19 | Piling device and piling method |
| PCT/CN2022/106512 WO2023001148A1 (en) | 2021-07-19 | 2022-07-19 | Pile driving apparatus and pile driving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110813999.1A CN115637699A (en) | 2021-07-19 | 2021-07-19 | Piling device and piling method |
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| Publication Number | Publication Date |
|---|---|
| CN115637699A true CN115637699A (en) | 2023-01-24 |
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| CN202110813999.1A Pending CN115637699A (en) | 2021-07-19 | 2021-07-19 | Piling device and piling method |
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| CN (1) | CN115637699A (en) |
| WO (1) | WO2023001148A1 (en) |
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| JP2008274723A (en) * | 2007-05-01 | 2008-11-13 | Chowa Kogyo Kk | Steel pipe pile driver used in conjunction with auger and method of driving steel pipe pile |
| MY160746A (en) * | 2011-08-22 | 2017-03-15 | Chin Chai Ong | Adjustable raked pile driver using the push pull method |
| CN202865839U (en) * | 2012-05-10 | 2013-04-10 | 湖南大学 | Pile pipe for strengthening immersed tube reinforced hoop gravel pile construction of soft foundations |
| CN112031653B (en) * | 2019-06-06 | 2021-12-07 | 万晓跃 | Easily-deflecting hybrid rotary steering drilling system |
| CN112663610B (en) * | 2020-12-15 | 2022-08-16 | 大连理工大学 | Construction method of vibration stamping equipment for efficient construction of broken belt micro-piles |
| CN113047278B (en) * | 2021-04-09 | 2022-06-03 | 安徽恒坤地基基础工程有限公司 | Method for piling obliquely |
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2021
- 2021-07-19 CN CN202110813999.1A patent/CN115637699A/en active Pending
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2022
- 2022-07-19 WO PCT/CN2022/106512 patent/WO2023001148A1/en unknown
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| Publication number | Publication date |
|---|---|
| WO2023001148A1 (en) | 2023-01-26 |
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