CN214994207U - Be used for circular pile cap of CFG stake to excavate forming device fast - Google Patents
Be used for circular pile cap of CFG stake to excavate forming device fast Download PDFInfo
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- CN214994207U CN214994207U CN202120582831.XU CN202120582831U CN214994207U CN 214994207 U CN214994207 U CN 214994207U CN 202120582831 U CN202120582831 U CN 202120582831U CN 214994207 U CN214994207 U CN 214994207U
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Abstract
The utility model belongs to the technical field of the construction of CFG stake, concretely relates to be used for the circular pile cap of CFG stake to excavate forming device fast, it has solved traditional pile cap and has excavated the shaping technology shallow layer fast and break the stake rate height, influences construction quality, and the work progress is loaded down with trivial details, the low problem of efficiency of construction. The utility model comprises an excavator; also comprises a drill bit and a connecting member; the top end of the connecting component is connected with the mechanical arm through a pin shaft, and the bottom end of the connecting component is detachably connected with the drill bit; the drill bit comprises a coring drill bit, a hydraulic rotary engine and a hydraulic oil conveying pipe; the bottom of coring bit is equipped with round drill bit tooth, and the top of coring bit is equipped with the air vent, and the one end and the hydraulic rotary engine of hydraulic oil conveyer pipe are connected, and the other end is connected with the hydraulic system of excavator. The utility model not only ensures the size of the pile cap, but also can reduce the working procedures of soil excavation between piles and reduce the rate of broken piles in shallow layer; the construction efficiency is improved; the construction cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of the construction of CFG stake, concretely relates to be used for quick excavation forming device of the circular pile cap of CFG stake.
Background
A cement fly ash gravel pile (CFG pile for short) is a main treatment measure for soft foundation treatment, the CFG pile mainly comprises a pile body and a pile cap, a long spiral drilling hole is adopted in the pile body, a mixture is pumped in a pipe to form the pile, a certain height needs to be over-poured during concrete pouring to ensure the quality of pile top concrete, after the concrete reaches the designed strength, a small excavator is used for excavating pile-to-pile soil, shallow fracture of a pile foundation can occur due to rolling and touching of the excavator in the process, the pile-to-pile ratio of a shallow layer is high, construction quality is affected, a constructor carries out annular cutting treatment on the over-poured pile head part, then a steel template is installed to pour the pile cap concrete, after maintenance is carried out to the designed strength, the pile-to-pile soil is backfilled and tamped, construction procedures are complex, and construction efficiency is low.
Disclosure of Invention
The utility model discloses it is high to solve the broken pile rate of traditional pile cap excavation shaping technology shallow layer fast, influence construction quality, the work progress is loaded down with trivial details, the problem that the efficiency of construction is low, it need not to excavate any stake soil to provide one kind, only need excavate in the pile cap within range, the soil disturbance between the stake has been reduced, reduce the excavator and roll, the broken pile rate of shallow layer that the touching caused, can be according to pile cap size customization cylinder coring bit, it is controllable to guarantee the pile cap size, soil excavation and backfill tamping process between the stake have been reduced, great improvement the circular pile cap excavation forming device of CFG stake of efficiency of construction.
The utility model discloses a following technical scheme realizes: a rapid excavation forming device for a CFG pile circular pile cap comprises an excavator; the excavator further comprises a drill bit and a connecting member for connecting the mechanical arm of the excavator and the drill bit together;
the top end of the connecting component is connected with the mechanical arm through a pin shaft, and the bottom end of the connecting component is detachably connected with the drill bit;
the drill bit comprises a hollow round sleeve type coring drill bit with an opening at the bottom end, a hydraulic rotary engine and a hydraulic oil conveying pipe; the bottom end of the coring bit is provided with a circle of bit teeth, the top end of the coring bit is detachably connected with the hydraulic rotary engine, the top end of the coring bit is provided with an air vent, one end of the hydraulic rotary engine is connected with the hydraulic rotary engine, and the other end of the hydraulic rotary engine is detachably connected with the connecting member; one end of the hydraulic oil delivery pipe is connected with the hydraulic rotary engine, and the other end of the hydraulic oil delivery pipe is connected with a hydraulic system of the excavator.
Furthermore, the vent hole is a plurality of, and a plurality of vent holes are arranged along circumference partition.
Further, the wall thickness of the core bit is 20 mm.
Further, the diameter of the core bit is equal to the diameter of the pile cap foundation groove.
Further, the top of coring bit and the bottom of hydraulic rotary engine all are equipped with the drill bit connecting plate, and drill bit connecting plate between them passes through the bolt and can dismantle the connection.
Furthermore, the top of hydraulic rotary engine and the bottom of connecting elements all are equipped with the connecting plate, and connecting plate between them passes through the bolt and can dismantle the connection.
The utility model discloses compare prior art's beneficial effect:
this application is crept into the excavation through hollow circular telescopic coring bit at pile cap within range, need not to excavate any pile-space soil, has both guaranteed the pile cap size, can reduce the process of pile-space soil excavation again, reduces the shallow rate of breaking the pile, reduces the work progress, and more convenient excavates the pile cap, improves the efficiency of construction greatly for the construction of CFG pile is more perfect, reduces construction cost, and reforms transform with low costsly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the drill of the present invention;
FIG. 3 is a schematic diagram of the application process of the present invention;
in the figure: 1-core drill bit, 2-hydraulic rotary engine, 3-mechanical arm, 4-hydraulic oil conveying pipe, 5-drill bit teeth, 6-CFG pile, 7-connecting plate, 8-connecting component, 9-drill bit connecting plate, 10-excavator, 11-pile cap base groove and 12-exhaust hole.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1 to 3, the utility model provides a technical scheme: a rapid excavation forming device for a CFG pile circular pile cap comprises an excavator 10; further comprises a drill bit and a connecting member 8 for connecting the mechanical arm 3 of the excavator 10 and the drill bit together;
the top end of the connecting component 8 is connected with the mechanical arm 3 through a pin shaft, and the bottom end of the connecting component is detachably connected with the drill bit;
the drill bit comprises a hollow round sleeve type coring drill bit 1 with an opening at the bottom end, a hydraulic rotary engine 2 and a hydraulic oil conveying pipe 4; the bottom end of the coring bit 1 is provided with a circle of bit teeth 5, the top end of the coring bit 1 is detachably connected with the hydraulic rotary engine 2, the top end of the coring bit 1 is provided with a vent hole 12 (which is convenient for discharging air in the bit when drilling and taking earth), one end of the hydraulic rotary engine 2 is connected with the hydraulic rotary engine 2, and the other end of the hydraulic rotary engine 2 is detachably connected with the connecting component 8; one end of the hydraulic oil conveying pipe 4 is connected with the hydraulic rotary engine 2, the other end of the hydraulic oil conveying pipe is connected with a hydraulic system of the excavator 10, and the hydraulic system of the excavator starts the rotary engine 2 to rotate, so that the coring bit 1 is driven to drill in a rotating mode.
The number of the vent holes 12 is plural, and the plurality of vent holes 12 are equally arranged along the circumferential direction.
The wall thickness of the core drill bit 1 is 20 mm.
The diameter of the core bit 1 is equal to the diameter of the pile cap foundation groove 11.
The top of coring bit 1 and the bottom of hydraulic rotary engine 2 all are equipped with drill bit connecting plate 9, and drill bit connecting plate 9 between them passes through the bolt and can dismantle the connection, convenient to detach changes.
The top of hydraulic rotary engine 2 and the bottom of connecting elements 8 all are equipped with connecting plate 7, and connecting plate 7 between them passes through the bolt and can dismantle the connection, convenient to detach changes.
Before 6 construction of CFG stake, carry out the flattening tamp to the place road bed earlier, treat that 6 construction of CFG stake is accomplished, examine qualified back of stake, can carry out the excavation of pile cap foundation trench 11, need to be connected the combination with drill bit and arm 3 before the construction, place the drill bit in excavator 10 dead ahead earlier promptly, it is fixed through the round pin hub connection with excavator arm 3 with drill bit part to utilize engine and arm connecting elements 8, and be connected the hydraulic system of hydraulic oil conveyer pipe 4 with excavator 10 with drill bit part, so far the device accomplishes the installation of power and component.
As shown in fig. 2, an excavator 4 is positioned between piles, a pile cap foundation groove 11 of each CFG pile 6 is excavated one by one in a backward mode, after the CFG piles 6 are constructed, pile quality detection is carried out as required, when the device is used, white ash is used for scattering out a pile cap excavation boundary line, a person starts the excavator 10 to enter a construction site, an excavator mechanical arm 3 is operated to align with the center position of the pile, a hydraulic rotary engine 2 is started by a hydraulic system of the excavator 10, the coring bit 1 starts to rotate, the excavator 10 excavates downwards to a designed depth, the excavator 10 stops excavating work, excavated earth is lifted out of the foundation groove by using the friction force inside the coring bit 1, after the earth is transferred to the other side, the coring bit 1 rotates in the opposite direction, the earth in the coring bit 1 automatically descends away from the coring bit 1, the person starts the excavator 10 to move to the next working site, and (5) manually finishing the flatness of the periphery of the foundation trench, and forming the pile cap soil mold to pour the pile cap concrete.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. A rapid excavation forming device for a CFG pile circular pile cap comprises an excavator (10);
the method is characterized in that: the excavator further comprises a drill bit and a connecting member (8) for connecting the mechanical arm (3) of the excavator (10) and the drill bit together;
the top end of the connecting component (8) is connected with the mechanical arm (3) through a pin shaft, and the bottom end of the connecting component is detachably connected with the drill bit;
the drill bit comprises a hollow round sleeve type coring drill bit (1) with an opening at the bottom end, a hydraulic rotary engine (2) and a hydraulic oil conveying pipe (4); the bottom end of the coring bit (1) is provided with a circle of bit teeth (5), the top end of the coring bit is detachably connected with the hydraulic rotary engine (2), the top end of the coring bit (1) is provided with a vent hole (12), one end of the hydraulic rotary engine (2) is connected with the hydraulic rotary engine (2), and the other end of the hydraulic rotary engine is detachably connected with the connecting member (8); one end of the hydraulic oil delivery pipe (4) is connected with the hydraulic rotary engine (2), and the other end is connected with a hydraulic system of the excavator (10).
2. The device for rapidly excavating and forming the circular pile cap of the CFG pile according to claim 1, wherein: the ventilation holes (12) are arranged in a plurality of numbers, and the ventilation holes (12) are arranged along the circumferential direction in an equally-divided mode.
3. The device for rapidly excavating and forming the circular pile cap of the CFG pile according to the claim 2, which is characterized in that: the wall thickness of the core bit (1) is 20 mm.
4. The device for rapidly excavating and forming the circular pile cap of the CFG pile according to the claim 3, is characterized in that: the diameter of the coring bit (1) is equal to that of the pile cap foundation groove (11).
5. The device for rapidly excavating and forming the circular pile cap of the CFG pile according to claim 4, wherein: the top of coring bit (1) and the bottom of hydraulic rotary engine (2) all are equipped with drill bit connecting plate (9), and drill bit connecting plate (9) between them can dismantle the connection through the bolt.
6. The device for rapidly excavating and forming the circular pile cap of the CFG pile according to claim 5, wherein: the top of hydraulic rotary engine (2) and the bottom of connecting elements (8) all are equipped with connecting plate (7), and connecting plate (7) between them pass through the bolt and can dismantle the connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120582831.XU CN214994207U (en) | 2021-03-23 | 2021-03-23 | Be used for circular pile cap of CFG stake to excavate forming device fast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120582831.XU CN214994207U (en) | 2021-03-23 | 2021-03-23 | Be used for circular pile cap of CFG stake to excavate forming device fast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214994207U true CN214994207U (en) | 2021-12-03 |
Family
ID=79161942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120582831.XU Active CN214994207U (en) | 2021-03-23 | 2021-03-23 | Be used for circular pile cap of CFG stake to excavate forming device fast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214994207U (en) |
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2021
- 2021-03-23 CN CN202120582831.XU patent/CN214994207U/en active Active
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