CN213807551U

CN213807551U - Bottom expanding pile driver with bottom pile guide structure

Info

Publication number: CN213807551U
Application number: CN202022300866.8U
Authority: CN
Inventors: 王薇; 王刚
Original assignee: Zhejiang Dingye Foundation Engineering Co ltd
Current assignee: Zhejiang Dingye Foundation Engineering Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-07-27
Anticipated expiration: 2030-10-15

Abstract

The utility model provides a club-footed pile driver with foundation pile guide structure belongs to pile equipment technical field. It has solved the poor scheduling problem of current club-footed pile driver guidance quality. This club-footed pile driver with foundation pile guide structure, including the base, be provided with hollow inner chamber in the base, be provided with the striking structure in the inner chamber and strike the stake with striking structure matched with, be provided with in the base and be used for keeping strikeing the stake and reciprocate stable guide structure and be used for promoting guide structure and reset and drive and strike the reset structure of stake rebound, reset structure sets up in guide structure's below. The utility model has the advantage of convenient operation.

Description

Bottom expanding pile driver with bottom pile guide structure

Technical Field

The utility model belongs to the technical field of pile equipment, a expand end pile driver with foundation pile guide structure is related to.

Background

The pile driver is a pile driving machine which utilizes impact force to drive the pile into the stratum, and is formed from pile hammer, pile frame and auxiliary equipment, said pile hammer is attached between two parallel vertical guide rods (commonly called gantry) in the front portion of the pile frame, and is lifted by means of lifting hook, said pile frame is a steel structure tower frame, and its rear portion is equipped with a hoist for lifting pile and pile hammer, and the front portion of the pile frame is equipped with a guide frame formed from two guide rods for controlling pile driving direction, so that the pile can be accurately driven into the stratum according to the designed position. The tower and the guide frame may be deflected together for raking the pile. The guide frame can also be extended down the tower for driving underwater piles along the bank or dock. The pile frame can rotate and also can move. The basic technical parameters of the pile driver are the impact section weight, the impact kinetic energy and the impact frequency. The power source of the pile hammer according to the movement can be divided into a drop hammer, a steam hammer, a diesel hammer, a hydraulic hammer and the like.

The pedestal pile is a bored concrete pile with the diameter of the bottom larger than that of the pile body at the upper part, the pedestal pile driver is one of pile drivers, most of the existing pedestal pile drivers are of an impact type, the length of some impact piles is longer, and the pile drivers easily cause the impact piles to generate radial deviation when impacting the impact piles, so that the precision is insufficient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide a convenient operation expand end pile driver with foundation pile guide structure.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides an expand end pile driver with end stake guide structure, includes the base, the base in be provided with hollow inner chamber, the inner chamber in be provided with striking structure and with striking structure matched with strike the stake, the base in be provided with and be used for keeping striking the stake and reciprocate stable guide structure and be used for promoting guide structure and reset and drive the structure that resets that strikes stake rebound, reset structure set up in guide structure's below.

In the above bottom-expanding pile driver with a bottom pile guide structure, the impact structure includes a linear driver disposed at the top of the base and a driving plate connected to an output end of the linear driver, and the driving plate is provided with a pile driving structure.

In the above-mentioned bottom-reaming pile driver with a pile-guiding structure, the pile-driving structure includes a retainer, and the lower end of the retainer is provided with an impact head which is matched with the impact pile for extruding the impact pile.

In the above bottom-expanding pile driver with a bottom pile guide structure, the guide structure includes a guide plate, a guide hole for the impact head to pass through is formed in the center of the guide plate, and guide assemblies for guiding the guide plate are arranged at two ends of the guide plate.

In the above-mentioned bottom-enlarging pile driver with a bottom pile guide structure, each guide assembly includes a guide ejector rod arranged along the length direction of the base, the top of the guide ejector rod is provided with a limiting block for limiting the guide plate to excessively slide upwards, and the guide plate is provided with a rod hole for the guide ejector rod to pass through.

In the above-mentioned club-footed pile driver with a guide structure for a bottom pile, the reset structure comprises a reset plate transversely arranged on the base, the reset plate is provided with a reset driver arranged towards one side of the drive plate, and the guide ejector rod is provided with a reset spring for resetting the guide plate.

In the above-mentioned bottom-expanding pile driver with a bottom pile guide structure, the return spring is sleeved on the guide ejector rod, the upper end of the return spring abuts against the guide plate, and the lower end of the return spring abuts against the return plate.

In the above-mentioned pile driver with a guide structure for a bottom pile, the side end of the guide plate is provided with a side plate that is engaged with the return driver, and the side plate is disposed outside the rod hole.

In foretell club-footed pile driver that has a foundation pile guide structure, set up the caulking hole that sets up with the axle center with the guiding hole on the upper surface of deflector, the diameter of caulking hole is greater than the diameter of guiding hole, the top of assaulting the stake is equipped with radial arch and can blocks into the abaculus to the caulking hole in, the abaculus embedding inlay downthehole back impact stake upper surface and the upper surface looks parallel and level of deflector.

In the above-mentioned bottom-expanding pile driver with a pile-guiding structure, the bottom end of the impact head has a radially protruding impact ring, and the diameter of the impact ring is larger than that of the insertion hole.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a be provided with in the base and be used for keeping impacting the guide structure that the stake reciprocated stability and be used for promoting guide structure and reset and drive the reset structure who strikes stake rebound, through the precision of guide structure when promoting to strike the stake and reciprocate, utilize the reset structure help to reset after the pile is accomplished, have the advantage of convenient operation.

2. The utility model discloses in set up in the outside in pole hole with reset driver matched with curb plate, the outermost end sets up more balanced in the curb plate can make the deflector hand.

3. The utility model discloses the bottom of strikeing the head has radial bellied impact ring, strikes ring downstream and can promote the deflector simultaneously and strike the stake, keeps the synchronism of deflector and impact stake motion.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the arrangement of the middle guiding structure and the resetting structure of the present invention.

In the figure, 1, a base; 2. an inner cavity; 3. an impact structure; 4. impacting the pile; 5. a guide structure; 6. a reset structure; 7. a linear actuator; 8. a drive plate; 9. a piling structure; 10. a holder; 11. an impact head; 12. a guide plate; 13. a guide hole; 14. a guide assembly; 15. a guide ejector rod; 16. a limiting block; 17. a rod hole; 18. a reset plate; 19. resetting the driver; 20. a return spring; 21. a side plate; 22. embedding holes; 23. an insert block; 24. impact the ring.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 and 2, the bottom expanding pile driver with the bottom pile guide structure 5 comprises a base 1, a hollow inner cavity 2 is arranged in the base 1, an impact structure 3 and an impact pile 4 matched with the impact structure 3 are arranged in the inner cavity 2, a guide structure 5 used for keeping the up-and-down movement stability of the impact pile 4 and a reset structure 6 used for pushing the guide structure 5 to reset and driving the impact pile 4 to move upwards are arranged in the base 1, and the reset structure 6 is arranged below the guide structure 5.

In this embodiment, be provided with in the base 1 and be used for keeping strikeing 5 of stake 4 stability of reciprocating and being used for promoting guide structure 5 and reseing and drive the structure 6 that resets that strikes 4 rebound of stake, when striking structure 3 strikes impact stake 4, strike stake 4 and promote the precision when reciprocating through guide structure 5, strike stake 4 and help it to reset through structure 6 after the pile is accomplished, have the advantage of convenient operation.

In this embodiment, the impact structure 3 comprises a linear actuator 7 arranged on top of the base 1 and a driving plate 8 connected to the output end of the linear actuator 7, the driving plate 8 being provided with a pile driving structure 9. Preferably, the linear driver 7 selects an oil cylinder as the oil cylinder, the oil cylinder is connected with the driving plate 8 to drive the driving plate 8 to move up and down, and the driving device has large power output and is very suitable for moving the impact pile 4.

In this embodiment the pile driving arrangement 9 comprises a holder 10, the lower end of the holder 10 being provided with an impact head 11 for co-operating with the impact pile 4 for pressing the impact pile 4. The retainer 10 is connected to the drive plate 8 to be interlocked with the drive plate 8.

In this embodiment, the guiding structure 5 includes a guiding plate 12, a guiding hole 13 is opened at the center of the guiding plate 12 for the impact head 11 to pass through, and guiding components 14 for guiding the guiding plate 12 are disposed at two ends of the guiding plate 12. Impact head 11 passes through guide plate 12 through guide hole 13 and is in linkage with guide plate 12, and when guide plate 12 moves up and down stably through guide assembly 14, impact head 11 also has a stable moving environment.

Preferably, each guide assembly 14 comprises a guide ejector rod 15 arranged along the length direction of the base 1, a limiting block 16 for limiting the guide plate 12 to excessively slide upwards is arranged at the top of the guide ejector rod 15, and a rod hole 17 for the guide ejector rod 15 to pass through is formed in the guide plate 12.

In the present embodiment, the reset structure 6 includes a reset plate 18 transversely disposed on the base 1, a reset driver 19 disposed on the reset plate 18 and facing the driving plate 8, and a reset spring 20 disposed on the guide rod 15 for resetting the guide plate 12. When the impact pile 4 impacts downwards to complete piling, the lower end of the impact pile 4 is located in construction soil, the impact pile cannot reset upwards by large friction force, the guide plate 12 is driven to move upwards through the reset driver 19 to drive the impact pile 4 to move upwards to separate from the construction soil, then the elastic force of the reset spring 20 is used for automatic resetting, and the reset driver 19 is preferably an oil cylinder.

Preferably, in order to maintain the motion stability of the return spring 20, the return spring 20 is sleeved on the guide post 15, the upper end of the return spring 20 abuts against the guide plate 12, and the lower end of the return spring 20 abuts against the return plate 18.

In the present embodiment, the side end portion of the guide plate 12 is provided with a side plate 21 that is fitted with the reset actuator 19, and the side plate 21 is provided outside the lever hole 17. The outermost end of the side plate 21 provides more uniform hand positioning of the guide plate 12.

In this embodiment, an embedding hole 22 coaxially disposed with the guide hole 13 is formed in the upper surface of the guide plate 12, the diameter of the embedding hole 22 is larger than that of the guide hole 13, an embedding block 23 is disposed at the top of the impact pile 4, and the radial protrusion can be inserted into the embedding hole 22, and the upper surface of the impact pile 4 is flush with the upper surface of the guide plate 12 after the embedding block 23 is embedded into the embedding hole 22.

The lower end of the impact head 11 has a radially projecting impact ring 24, the diameter of the impact ring 24 being larger than the diameter of the insertion hole 22. The downward movement of the impact ring 24 pushes the guide plate 12 and the impact pile 4 simultaneously, maintaining the synchronism of the movement of the guide plate 12 and the impact pile 4.

The utility model discloses a theory of operation does: be provided with in the base 1 and be used for keeping strikeing 4 guide structure 5 that reciprocate stability and be used for promoting guide structure 5 to reset and drive and strike 4 rebound's of stake reset structure 6, when strikeing head 11 on the drive of linear actuator 7 strikes impact stake 4, can strike deflector 12 simultaneously, strike stake 4 through the synchronous up-and-down motion with deflector 12 and promote the precision when reciprocating, strike stake 4 and help it to reset through reset structure 6 after the pile is accomplished, the lower extreme that strikes stake 4 this moment is located the construction earth, receive great frictional force and can't upwards reset by oneself this moment, drive deflector 12 upward movement and then drive and strike stake 4 and move upward and break away from the earth of construction through reset actuator 19, then utilize reset spring 20's elasticity to carry out automatic re-setting.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms base 1, inner cavity 2, impact structure 3, impact pile 4, guide structure 5, return structure 6, linear drive 7, drive plate 8, pile driving structure 9, retainer 10, impact head 11, guide plate 12, guide hole 13, guide assembly 14, guide ram 15, stop block 16, rod hole 17, return plate 18, return drive 19, return spring 20, side plate 21, insert hole 22, insert 23, impact collar 24, etc., are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. The utility model provides a club-footed pile driver with end stake guide structure, includes base (1), base (1) in be provided with hollow inner chamber (2), its characterized in that, inner chamber (2) in be provided with striking structure (3) and impact stake (4) with striking structure (3) matched with, base (1) in be provided with and be used for keeping impacting stake (4) and reciprocate stable guide structure (5) and be used for promoting guide structure (5) and reset and drive and strike stake (4) rebound's reset structure (6), reset structure (6) set up in the below of guide structure (5).

2. Bottom-reaming pile driver with a guide structure for a bottom pile according to claim 1, characterised in that the impact structure (3) comprises a linear actuator (7) arranged at the top of the base (1) and a driving plate (8) connected to the output of the linear actuator (7), the driving plate (8) being provided with a pile-driving structure (9).

3. A bottom-reaming pile driver with a pile guide according to claim 2, characterised in that the pile driving structure (9) comprises a holder (10), the lower end of the holder (10) being provided with an impact head (11) for pressing the impact pile (4) in cooperation with the impact pile (4).

4. A pile driver with a pile guide according to claim 3, characterised in that the guide structure (5) comprises a guide plate (12), the guide plate (12) is provided with a guide hole (13) at the centre for the impact head (11) to pass through, and the guide plate (12) is provided with guide assemblies (14) at both ends for guiding the guide plate (12).

5. The bottom-expanding pile driver with a bottom pile guiding structure as recited in claim 4, characterized in that each guiding assembly (14) comprises a guiding mandril (15) arranged along the length direction of the base (1), the top of the guiding mandril (15) is provided with a limiting block (16) for limiting the guide plate (12) from excessively sliding upwards, and the guide plate (12) is provided with a rod hole (17) for the guiding mandril (15) to pass through.

6. Bottom-reaming pile driver with a guide construction for a bottom pile according to claim 5, characterised in that the resetting construction (6) comprises a resetting plate (18) arranged transversely to the base (1), that the resetting plate (18) is provided with a resetting drive (19) arranged towards the drive plate (8), and that the guide ram (15) is provided with a resetting spring (20) for resetting the guide plate (12).

7. The bottom-expanding pile driver with a bottom pile guiding structure as recited in claim 6, characterized in that the return spring (20) is sleeved on the guiding mandril (15), the upper end of the return spring (20) abuts against the guiding plate (12), and the lower end of the return spring (20) abuts against the return plate (18).

8. Bottom-reaming pile driver with a bottom pile guide according to claim 6, characterised in that the lateral ends of the guide plate (12) are provided with side plates (21) cooperating with the return drive (19), said side plates (21) being arranged outside the rod bore (17).

9. The bottom-expanding pile driver with a bottom pile guiding structure as recited in claim 4, characterized in that an embedding hole (22) coaxially arranged with the guiding hole (13) is formed in the upper surface of the guiding plate (12), the diameter of the embedding hole (22) is larger than that of the guiding hole (13), an embedding block (23) capable of being clamped into the embedding hole (22) in a radial protrusion manner is arranged at the top of the impact pile (4), and the upper surface of the impact pile (4) is flush with the upper surface of the guiding plate (12) after the embedding block (23) is embedded into the embedding hole (22).

10. Bottom-reaming pile driver with a guide structure for a bottom pile according to claim 9, characterised in that the bottom end of the impact head (11) has a radially protruding impact collar (24), the diameter of the impact collar (24) being larger than the diameter of the insertion hole (22).