CN113322951A - Rotary excavating pile driving hammer - Google Patents
Rotary excavating pile driving hammer Download PDFInfo
- Publication number
- CN113322951A CN113322951A CN202110739062.4A CN202110739062A CN113322951A CN 113322951 A CN113322951 A CN 113322951A CN 202110739062 A CN202110739062 A CN 202110739062A CN 113322951 A CN113322951 A CN 113322951A
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- China
- Prior art keywords
- hammer
- pile
- impact
- core
- replacing
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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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- 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
- E02D7/14—Components for drivers inasmuch as not specially for a specific driver construction
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention relates to a rotary excavating pile driving hammer which comprises a hammer frame, a hammer core and an energy storage device, wherein one end of the hammer frame is a connecting end, the other end of the hammer frame is a stamping end, a stamping cavity is formed in the stamping end of the hammer frame, a pile cap is installed in the stamping cavity, one end of the pile cap extends out of the hammer frame and axially displaces in the stamping cavity, a secondary driving assembly is arranged between the pile cap and the hammer core, a drill rod is arranged in the hammer frame, a rotary excavating power head is arranged at the connecting end of the hammer frame, the drill rod sequentially penetrates through the centers of the hammer core, the pile cap and the secondary driving assembly and extends out of the pile body, the drill rod is not in surface contact with the hammer core, the pile cap and the secondary driving assembly, the technical effect of rotary excavating and driving the pile at the same time is realized, the construction efficiency is improved, the construction cost is reduced, and a novel secondary driving assembly is disclosed at the same time, so that the effect of the pile driving hammer is better, and the pile body can be effectively protected.
Description
Technical Field
The invention relates to the field of engineering machinery, in particular to a rotary excavating pile driving hammer.
Background
The construction method is characterized in that a timber pile or a stone pile is hammered into the ground, in order to make the foundation of the building firm, if the ground building is built on the ground, the ground is subjected to great pressure, the ground is required to have enough strength to resist the pressure, which is difficult to achieve, the ground bearing the building is required to be reinforced or the bearing mode of the ground is improved, so that the foundation is considered to be piled, most of the weight of the building is transmitted to a position deep below the ground through the pile, and the bearing capacity of the ground at the position is much larger than that of the ground.
When piling is carried out, the rotary drilling machine is driven to drill soil on a piling face loosely by using a spiral drill, and wet excavation can be carried out by using a rotary drill under the condition of slurry retaining walls. The rotary excavator can be matched with a hammer drill to dig holes after a hard stratum is drilled, the pile hammer overcomes the resistance of foundation soil to a pile by utilizing the impact energy of the pile hammer, the pile is driven to a preset depth, the rotary excavator and the pile driver are required to be arranged on a construction site in the pile driving mode, the construction cost and the scheduling time are increased, and the pile driving efficiency is influenced.
Disclosure of Invention
The invention aims to solve the technical problem that in order to overcome the defects of the prior art, the rotary drilling pile driving hammer capable of drilling and piling simultaneously is provided, so that the construction efficiency is improved, the construction cost is reduced, and meanwhile, a new pile replacing assembly is disclosed, so that the pile driving hammer has a better pile driving effect and can effectively protect a pile body.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a dig pile hammer soon, is including hammer carrier, the hammer core of setting in hammer carrier and the energy storage equipment of drive hammer core along hammer carrier axial displacement, the axial one end of hammer carrier is the link, and the other end is the punching press end, the punching press end of hammer carrier is equipped with the punching press chamber, install the pile cap that is used for installing the pile body in the punching press intracavity, outside pile cap one end extended hammer carrier, and at punching press intracavity axial displacement, its characterized in that: the pile driving device comprises a pile cap, a hammer core, a drill rod, a rotary drilling power head, a drill rod, a pile cap and a replacing component, wherein the replacing component is arranged between the pile cap and the hammer core and used for protecting the pile body to bear the impact of the hammer core, the drill rod axially penetrates through the hammer frame, the rotary drilling power head for driving the drill rod to rotate is arranged at the connecting end of the hammer frame, the drill rod sequentially penetrates through the centers of the hammer core, the pile cap and the replacing component and extends out of the pile body, and the drill rod is not in surface contact with the hammer core, the pile cap and the replacing component.
By adopting the technical scheme, the pile body is vertically erected at a pile driving point when the pile is driven, the pile cap is sleeved on the pile head of the pile body, the hammer core in the hammer frame is driven by the energy storage device to impact the pile cap, so that the pile is driven, because the pile body is mostly a cement pile and the pile head is brittle, the replacing component can replace the hammer cap to bear the impact force of the hammer core by arranging the replacing component, thereby avoiding the pile body from being damaged and broken, the drill rod is arranged in the hammer frame, the hammer core, the pile cap and the replacing component are hollow parts, the rotary digging power head drives the drill rod to rotate, one end of the drill rod extends out of the pile body and drills into the ground deep part of a pile driving point, the geology is stirred and some rocks are crushed, the pile body can be conveniently driven into the ground deep part, the pile body is prevented from being crushed when meeting a hard rock layer in the pile driving process, meanwhile, the technical requirements of rotary digging and piling are met, the construction efficiency is improved, and the construction cost is reduced.
The rotary excavating pile driving hammer can be further arranged as follows: the replacing component comprises a hollow replacing hammer arranged on the pile cap, the hammer core is provided with an impact part smaller than the hammer core with the cross section towards the hollow replacing hammer, one end of the hollow replacing hammer corresponding to the hammer core is provided with a bearing surface matched with the contact surface of the impact part, one end of the hollow replacing hammer is provided with a diffusion surface matched with the contact surface of the pile cap, and the cross section of the diffusion surface is larger than the cross section of the bearing surface.
By adopting the technical scheme, as the pile body is mostly a cement pile, the pile head is brittle, the hollow secondary driving is arranged, the hammering force of the hammer core is transmitted to the pile cap through the hollow replacement, so that the pile body in the pile cap is protected from being broken, meanwhile, the pile cap is prevented from deforming, meanwhile, the impact part with the cross section smaller than the hammer core is arranged on the hammer core, the cross section smaller than the impact part of the hammer core enables the area of the punching end of the hammer body to be reduced, thereby reducing the resistance in punching, ensuring better effect when the pile hammer is driven, and the structure is simple.
The rotary excavating pile driving hammer can be further arranged as follows: the hollow impact-bearing surface and the impact part of the impact-bearing surface are provided with hammer pads matched with the contact surfaces of the impact parts, the hollow impact-bearing surface extends to one end of the impact part, and the inside of the hollow impact-bearing surface forms an impact-bearing cavity for accommodating the hammer pads.
By adopting the technical scheme, as the pile body is mostly a cement pile and the pile head is brittle, the hammer pad is arranged on the impact bearing surface and the impact part, so that the hammer core transmits the impact force to the hollow secondary driving through the hammer pad, the hammering peak value is reduced, and the pile head is protected from being broken.
The rotary excavating pile driving hammer can be further arranged as follows: the outer peripheral surface of the hollow impact bearing cavity corresponding to the impact is sleeved with an impact replacing cushion, and the impact replacing cushion is abutted to the punching cavity.
Adopt above-mentioned technical scheme, replace beating the blotter through setting up, prevent to replace beating the anti-shock impact punching press chamber after the hammering, improve equipment stability and life.
The rotary excavating pile driving hammer can be further arranged as follows: the energy storage device comprises an energy accumulator and a guide frame which are arranged in the hammer frame, an impact rod axially penetrates through the guide frame, and the impact rod is connected with the hammer core and is controlled to axially move along the hammer frame through the energy accumulator.
By adopting the technical scheme, the energy accumulator is an energy storage device in a hydraulic pneumatic system. The energy storage device converts energy in a system into compression energy or potential energy to be stored at a proper time, and when the energy storage device needs the energy storage device, the compression energy or the potential energy is converted into energy such as hydraulic pressure or air pressure to be released and supplied to the energy storage device again. When the instantaneous pressure of the energy storage device is increased, the energy storage device can absorb the energy of the part to ensure that the pressure of the whole energy storage device is normal, the hammer core is driven by the energy accumulator to pile, the arrangement and the installation are more convenient, and the operation and the maintenance are convenient.
The rotary excavating pile driving hammer can be further arranged as follows: and a hollow pile body cushion pad is arranged between the pile cap and the pile body.
By adopting the technical scheme, most of the pile bodies are cement piles, the pile heads are brittle, and the pile caps buffer the hammering force through the hollow pile body buffer cushion by arranging the hollow pile body buffer cushion, and the hollow pile body buffer cushion can be a wood cushion or a paper cushion and is contacted with the pile heads.
The rotary excavating pile driving hammer can be further arranged as follows: and one end of the drill rod, which is far away from the rotary drilling power head, is made of hard alloy.
By adopting the technical scheme, the contact surface of the drill rod and the ground is provided with the hard alloy, so that the drill rod can be broken when encountering underground rocks, the self-rotating friction force in the use process is increased, the abrasion uniformity of the product is increased, and the service life of the product is prolonged.
The rotary excavating pile driving hammer can be further arranged as follows: one end of the hammer frame corresponding to the energy storage device is provided with a hollowed visual groove.
By adopting the technical scheme, the working state of the rotary excavating pile driving hammer is monitored in real time by a user through the hollow visual groove.
The rotary excavating pile driving hammer can be further arranged as follows: and scales with sequentially ascending axial numerical values are arranged at one end of the hammer frame corresponding to the hollowed visual groove.
By adopting the technical scheme, the height of the hammer core pulled up by the energy storage device can be monitored in real time by arranging the scales on one side of the hollowed-out visual groove.
The invention is further described below with reference to the accompanying drawings.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is a cross-sectional view of an embodiment of the present invention.
Fig. 3 is a schematic diagram of an internal structure according to an embodiment of the present invention.
Fig. 4 is a schematic perspective view of a hammer core and a tie-down assembly according to an embodiment of the present invention.
FIG. 5 is a cross-sectional view of a break-in assembly in accordance with an embodiment of the present invention.
Detailed Description
As shown in fig. 1-5, a rotary excavating pile driving hammer comprises a hammer frame 1, a hammer core 2 disposed in the hammer frame 1, and an energy storage device 3 for driving the hammer core 2 to move axially along the hammer frame 1, wherein one axial end of the hammer frame 1 is a connection end a, the other axial end is a punching end b, the punching end b of the hammer frame 1 is provided with a punching cavity 11, a pile cap 5 for mounting a pile body 4 is mounted in the punching cavity 11, one end of the pile cap 5 extends out of the hammer frame 1 and moves axially in the punching cavity 11, a pile replacement component for protecting the pile body 4 from being impacted by the hammer core 2 is disposed between the pile cap 5 and the hammer core 2, a drill rod 6 axially penetrating through the hammer frame 1 is disposed in the hammer frame 1, a rotary excavating power head 7 for driving the drill rod 6 to rotate is disposed at the connection end a of the hammer frame 1, the drill rod 7 sequentially passes through the centers of the hammer core 2, the pile cap 5 and the pile replacement component and extends out of the pile body 4, the drill rod 7 is not in surface contact with the hammer core 2, the pile cap 5 and the replacing component, the replacing component comprises a hollow replacing hammer 8 arranged on the pile cap 5, one end of the hammer core 2 facing the hollow replacing hammer 8 is provided with an impact part 21 with a cross section smaller than the hammer core 2, one end of the hollow replacing hammer 8 corresponding to the hammer core 2 is provided with a bearing surface matched with the contact surface of the impact part 21, one end of the hammer core 5 is provided with a diffusion surface 81 matched with the contact surface of the pile cap 5, the cross section of the diffusion surface 81 is larger than the cross section of the bearing surface, a hammer pad 82 matched with the contact surface of the impact part 21 is arranged between the bearing surface of the hollow replacing hammer 8 and the impact part 21, the hollow replacing hammer 8 extends towards one end of the impact part 21 around the bearing surface, a bearing cavity 83 for accommodating the hammer pad 82 is formed inside, a replacing hammer cushion 84 is sleeved on the peripheral surface of the corresponding bearing cavity 83 of the hollow replacing hammer 8, the replacing buffer cushion 84 offsets with the punching press chamber 11, the energy storage device 3 is including installing energy storage 31 and leading truck 32 in hammer carrier 1, the impact rod 33 axially wears to be equipped with in the leading truck 32, impact rod 33 is connected with hammer core 2 to control impact rod 33 through energy storage 31 along hammer carrier 1 axial displacement, be equipped with hollow pile body buffer cushion 9 between pile cap 5 and the pile body 4, the drilling rod 6 is kept away from the one end of digging the unit head 7 soon and is carbide 61, the one end that hammer carrier 1 corresponds energy storage device 3 is equipped with the visual groove 12 of fretwork, the one end that hammer carrier 1 corresponds the visual groove 12 of fretwork is equipped with the scale 13 that axial numerical value rises in proper order.
Claims (9)
1. The utility model provides a dig pile hammer soon, is including hammer carrier, the hammer core of setting in hammer carrier and the energy storage equipment of drive hammer core along hammer carrier axial displacement, the axial one end of hammer carrier is the link, and the other end is the punching press end, the punching press end of hammer carrier is equipped with the punching press chamber, install the pile cap that is used for installing the pile body in the punching press intracavity, outside pile cap one end extended hammer carrier, and at punching press intracavity axial displacement, its characterized in that: the pile driving device comprises a pile cap, a hammer core, a drill rod, a rotary drilling power head, a drill rod, a pile cap and a replacing component, wherein the replacing component is arranged between the pile cap and the hammer core and used for protecting the pile body to bear the impact of the hammer core, the drill rod axially penetrates through the hammer frame, the rotary drilling power head for driving the drill rod to rotate is arranged at the connecting end of the hammer frame, the drill rod sequentially penetrates through the centers of the hammer core, the pile cap and the replacing component and extends out of the pile body, and the drill rod is not in surface contact with the hammer core, the pile cap and the replacing component.
2. The rotary excavating pile driving hammer according to claim 1, characterized in that: the replacing component comprises a hollow replacing hammer arranged on the pile cap, the hammer core is provided with an impact part smaller than the hammer core with the cross section towards the hollow replacing hammer, one end of the hollow replacing hammer corresponding to the hammer core is provided with a bearing surface matched with the contact surface of the impact part, one end of the hollow replacing hammer is provided with a diffusion surface matched with the contact surface of the pile cap, and the cross section of the diffusion surface is larger than the cross section of the bearing surface.
3. The rotary excavating pile driving hammer according to claim 2, characterized in that: the hollow impact-bearing surface and the impact part of the impact-bearing surface are provided with hammer pads matched with the contact surfaces of the impact parts, the hollow impact-bearing surface extends to one end of the impact part, and the inside of the hollow impact-bearing surface forms an impact-bearing cavity for accommodating the hammer pads.
4. The rotary excavating pile driving hammer according to claim 3, characterized in that: the outer peripheral surface of the hollow impact bearing cavity corresponding to the impact is sleeved with an impact replacing cushion, and the impact replacing cushion is abutted to the punching cavity.
5. The rotary excavating pile driving hammer according to any one of claims 1-4, characterized in that: the energy storage device comprises an energy accumulator and a guide frame which are arranged in the hammer frame, an impact rod axially penetrates through the guide frame, and the impact rod is connected with the hammer core and is controlled to axially move along the hammer frame through the energy accumulator.
6. The rotary excavating pile driving hammer according to any one of claims 1-4, characterized in that: and a hollow pile body cushion pad is arranged between the pile cap and the pile body.
7. The rotary excavating pile driving hammer according to any one of claims 1-4, characterized in that: and one end of the drill rod, which is far away from the rotary drilling power head, is made of hard alloy.
8. The rotary excavating pile driving hammer according to any one of claims 1-4, characterized in that: one end of the hammer frame corresponding to the energy storage device is provided with a hollowed visual groove.
9. The rotary excavating pile driving hammer according to any one of claims 1-4, characterized in that: and scales with sequentially ascending axial numerical values are arranged at one end of the hammer frame corresponding to the hollowed visual groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110739062.4A CN113322951A (en) | 2021-06-30 | 2021-06-30 | Rotary excavating pile driving hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110739062.4A CN113322951A (en) | 2021-06-30 | 2021-06-30 | Rotary excavating pile driving hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113322951A true CN113322951A (en) | 2021-08-31 |
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ID=77425273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110739062.4A Pending CN113322951A (en) | 2021-06-30 | 2021-06-30 | Rotary excavating pile driving hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113322951A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114351694A (en) * | 2022-01-17 | 2022-04-15 | 中国五冶集团有限公司 | Foundation pile foundation pore-forming construction method |
-
2021
- 2021-06-30 CN CN202110739062.4A patent/CN113322951A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114351694A (en) * | 2022-01-17 | 2022-04-15 | 中国五冶集团有限公司 | Foundation pile foundation pore-forming construction method |
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