CN215629935U - Construction device for long spiral composite pile - Google Patents
Construction device for long spiral composite pile Download PDFInfo
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- CN215629935U CN215629935U CN202122099182.0U CN202122099182U CN215629935U CN 215629935 U CN215629935 U CN 215629935U CN 202122099182 U CN202122099182 U CN 202122099182U CN 215629935 U CN215629935 U CN 215629935U
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Abstract
In order to solve the problems of low construction efficiency and high cost of the cement composite pile, the utility model provides a construction device of a long spiral composite pile, which comprises a long spiral drill rod, a drill bit, a rotary swing power head and a lifting mechanism, wherein a cement slurry conveying pipeline and a concrete slurry conveying pipeline are arranged in the long spiral drill rod, the cement slurry conveying pipeline and the concrete slurry conveying pipeline are respectively connected with a cement pump and a concrete pump through a rotary joint positioned above the rotary swing power head, a spiral sheet is arranged on the outer side of the drill bit, a stirring blade is arranged on the outer edge of the spiral sheet, a high-pressure cement slurry spray pipe positioned below the stirring blade is arranged on the spiral sheet, one end of the high-pressure cement slurry spray pipe is connected with the cement slurry conveying pipeline, a spray nozzle which sprays towards the outer side of the long spiral drill rod is arranged on the other end of the high-pressure cement slurry spray pipe, in addition, a concrete pouring hole connected with the concrete slurry conveying pipe is arranged at the lower end of the drill bit, and a hinge block is arranged below the concrete pouring hole, one end of the hinging block is hinged with the outer side surface of the drill bit.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a construction device of a long spiral composite pile.
Background
The utility model discloses a cement-soil pipe pile composite pile in the current market, which consists of a high-strength concrete pipe pile and a cement-soil outer pile wrapped on the outer layer of the pile, solves the problem that the strength of a foundation pile body of a friction type high-strength concrete pipe pile cannot be fully exerted, adopts the high-strength pipe pile to bear vertical load, increases the friction force by virtue of the large-diameter cement-soil pile, has the remarkable advantages of high single-pile bearing capacity, reliable quality, no vibration, no noise and no pollution discharge during construction, and solves the problems that the pipe pile is difficult to penetrate in thick and medium-density hard interlayers such as silt, silt and the like and cannot reach the designed pile length and bearing layer.
Disclosure of Invention
In order to solve the problems, the utility model provides a construction device of a long spiral composite pile, which adopts the following technical scheme:
a construction device of a long spiral composite pile is characterized by comprising a long spiral drill rod, a drill bit fixedly connected below the drill rod, a rotary swing power head used for driving the long spiral drill rod to rotate and a lifting mechanism used for driving the rotary swing power head to move up and down, wherein a cement slurry conveying pipeline and a concrete slurry conveying pipeline are arranged in the long spiral drill rod, the cement slurry conveying pipeline and the concrete slurry conveying pipeline are respectively connected with a cement pump and a concrete pump through a rotary joint positioned above the rotary swing power head, the drill bit is arranged at the lower part of the long spiral drill rod, a spiral sheet is arranged on the outer side of the drill bit, a stirring blade is arranged on the outer edge of the spiral sheet, a high-pressure cement slurry spray pipe positioned below the stirring blade is arranged on the spiral sheet, one end of the high-pressure cement slurry spray pipe is connected with the cement slurry conveying pipeline, and a nozzle which sprays towards the outer side of the long spiral drill rod is arranged at the other end of the high-pressure cement slurry spray pipe, in addition, the drill bit lower extreme is equipped with the concrete filling hole that links to each other with the defeated thick liquid pipe of concrete, concrete filling hole below is provided with articulated piece, articulated piece one end is articulated with the drill bit lateral surface.
Preferably, the lower part of the hinged block is of an inverted cone structure, and one side of the upper end of the hinged block is hinged with the lower end of the outer side face of the drill bit.
Preferably, the rotary swing power head is a variable-angle-speed rotary swing power head.
Preferably, the rotary swing power head comprises a servo motor, a transmission speed reducer, an angle sensor and a controller, wherein the power output end of the servo motor is connected with the transmission speed reducer, the power output end of the transmission speed reducer is connected with the long auger stem, and the servo motor and the angle sensor are respectively connected with the signal output end and the signal input end of the controller.
The utility model has the beneficial effects that:
1. the cement soil outer pile is formed by drilling down and spraying cement paste, the core pile is formed by lifting and pumping concrete, and the pile is formed at one time, so that the pile forming process of the composite pile is simplified, and the construction efficiency is effectively improved;
2. the drive motor is controlled by the PLC and the angle sensor to drive the long spiral drill rod and the drill bit to move at variable angular speed so as to form cement soil outer piles in different shapes, and the device is suitable for different construction conditions.
Drawings
FIG. 1 is a schematic view of the structure of the present invention
FIG. 2 is a schematic view of a connection structure of a long auger stem and a drill bit
The system comprises a long auger stem 1, a drill 2, a rotary swing power head 3, a transmission speed reducer 301, a servo motor 302, a PLC 303, an angle sensor 304, a lifting mechanism 4, a rotary joint 5, a high-pressure cement slurry pump 6, a concrete pump 7, a screw plate 8, a stirring blade 9, a high-pressure cement slurry spray pipe 10, a hinge block 11 and a spray nozzle 12.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The construction device of the long spiral composite pile as shown in fig. 1 comprises a long spiral drill rod 1, a drill bit 2, a rotary swing power head 3 and a lifting mechanism 4, wherein the drill bit 2 is fixedly connected below the long spiral drill rod 1, a spiral sheet 8 is arranged on the outer side of the long spiral drill rod 1, four stirring blades 9 are fixedly connected on the outer side of the spiral sheet 8, the stirring blades 9 are distributed along the direction perpendicular to the axis of the long spiral drill rod 1, a high-pressure cement slurry spray pipe 10 is fixedly connected on the lower end face of the spiral sheet 8, the high-pressure cement slurry spray pipe 10 is connected with a high-pressure cement slurry pump 6 through a cement slurry conveying pipeline and a rotary joint 5 which are positioned in the long spiral drill rod 1, the outer end of the high-pressure cement slurry spray pipe 10 is flush with the outer edge of the spiral sheet 8, a nozzle 12 is also fixedly connected on the outer end of the high-pressure cement slurry spray pipe 10, and a concrete slurry conveying pipeline is also arranged in the long spiral drill rod 1, concrete thick liquid pipeline upper end is passed through rotary joint 5 and is linked to each other with concrete pump 7, and the vertical direction of concrete thick liquid pipeline lower extreme runs through drill bit 2 to it has articulated piece 11 to articulate in drill bit 2 below, 11 one end of articulated piece 11 of articulated piece links to each other with 2 lateral surface lower extremes of drill bit, and the lower extreme is the back taper, and hoist engine, support and pulley, wire rope structure drive drilling tool reciprocate are adopted to hoist mechanism 4.
In addition, the rotary power head 3 is composed of a transmission speed reducer 301, a servo motor 302, a PLC (programmable logic controller) 303 and an angle sensor 304, the transmission speed reducer 301 adopts a gear box, two groups of angle sensors 304 are fixed below the gear box, the servo motor 302 adopts a high-inertia servo motor, the power output end of the servo motor is connected with the gear box, the power output end of the gear box is connected with the upper part of the long spiral drill rod 1 so as to drive the long spiral drill rod 1 to rotate, the signal input end and the signal output end of the PLC 303 are respectively connected with the angle sensor 304 and the servo motor 302, and after the PLC 303 receives the rotation angle of the long spiral drill rod 1 measured by the angle sensor 304, the rotation speed of the servo motor 302 is changed according to the shape of a solidification body to be formed, so that the long spiral drill rod 1 is driven to move at variable angular speeds in different angular ranges so as to form outer piles in different shapes.
The working principle of the device is as follows: the hoisting mechanism 4 drives the long auger stem 1 to descend, the rotary swing power head 3 is started, the long auger stem 1 and the drill bit 2 drill downwards while rotating, the high-pressure cement slurry pump 6 is started to convey cement slurry to the nozzle 12, the cement slurry is stirred by the stirring blades while spraying, so that a cement outer pile is formed, after the long auger stem 1 reaches the designed hole depth, cement slurry spraying and stirring are stopped, a concrete pump is started, the rotary swing power head 3 drives the long auger stem 1 to rotate, the long auger stem 1 is lifted while pumping concrete, the hinge block 11 is opened due to gravity and concrete pressure in the ascending process of the drill bit 2, the concrete falls from a concrete conveying pipeline, so that a concrete core pile is formed, and in the construction process of the cement outer pile and the concrete core pile, the servo motor 302 can be controlled by the PLC 303 to form a round shape, Rectangular or cross-shaped cement soil external piles with different structures.
This device is through drilling down the cement external pile that sprays water mud, and it pumps the concrete formation core pile to carry the brill, once becomes the stake, has simplified the stake process of compound stake, and through PLC 303, angle sensor 304 control driving motor 302 drive long auger stem 1 and make the variable angle speed motion, can form the cement external pile of different shapes such as circular, rectangle, cross, fan-shaped, application scope is wider.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications can be made without departing from the principles of the utility model and these modifications are to be considered within the scope of the utility model.
Claims (4)
1. A construction device of a long spiral composite pile is characterized by comprising a long spiral drill rod, a drill bit fixedly connected below the drill rod, a rotary swing power head used for driving the long spiral drill rod to rotate and a lifting mechanism used for driving the rotary swing power head to move up and down, wherein a cement slurry conveying pipeline and a concrete slurry conveying pipeline are arranged in the long spiral drill rod, the cement slurry conveying pipeline and the concrete slurry conveying pipeline are respectively connected with a cement pump and a concrete pump through a rotary joint positioned above the rotary swing power head, the drill bit is arranged at the lower part of the long spiral drill rod, a spiral sheet is arranged on the outer side of the drill bit, a stirring blade is arranged on the outer edge of the spiral sheet, a high-pressure cement slurry spray pipe positioned below the stirring blade is arranged on the spiral sheet, one end of the high-pressure cement slurry spray pipe is connected with the cement slurry conveying pipeline, and a nozzle which sprays towards the outer side of the long spiral drill rod is arranged at the other end of the high-pressure cement slurry spray pipe, in addition, the drill bit lower extreme is equipped with the concrete filling hole that links to each other with the defeated thick liquid pipe of concrete, concrete filling hole below is provided with articulated piece, articulated piece one end is articulated with the drill bit lateral surface.
2. The construction device of the long spiral composite pile according to claim 1, wherein the lower portion of the hinge block is of an inverted cone structure, and one side of the upper end of the hinge block is hinged to the lower end of the outer side surface of the drill bit.
3. The apparatus for constructing a long helical composite pile according to claim 1, wherein the rotary-pendulum power head is a variable-angular-speed rotary-pendulum power head.
4. The construction device of the long spiral composite pile according to claim 3, wherein the rotary swing power head is composed of a servo motor, a transmission speed reducer, an angle sensor and a controller, a power output end of the servo motor is connected with the transmission speed reducer, a power output end of the transmission speed reducer is connected with the long spiral drill rod, and the servo motor and the angle sensor are respectively connected with a signal output end and a signal input end of the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122099182.0U CN215629935U (en) | 2021-09-02 | 2021-09-02 | Construction device for long spiral composite pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122099182.0U CN215629935U (en) | 2021-09-02 | 2021-09-02 | Construction device for long spiral composite pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215629935U true CN215629935U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122099182.0U Active CN215629935U (en) | 2021-09-02 | 2021-09-02 | Construction device for long spiral composite pile |
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| Country | Link |
|---|---|
| CN (1) | CN215629935U (en) |
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2021
- 2021-09-02 CN CN202122099182.0U patent/CN215629935U/en active Active
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