CN114790737A

CN114790737A - Hydraulic pile driver

Info

Publication number: CN114790737A
Application number: CN202210329798.9A
Authority: CN
Inventors: 郑希; 郭克诚
Original assignee: Hubei Qingyan Intelligent Piling Co ltd
Current assignee: Hubei Qingyan Intelligent Piling Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-26
Anticipated expiration: 2042-03-31
Also published as: CN114790737B

Abstract

The invention discloses a hydraulic pile driver, which belongs to the technical field of building pile drivers and comprises a tower crane; the lifting driving assembly is fixedly connected to the front end of the tower crane; the horizontal driving component is connected to the lifting driving component; the hydraulic hammer is fixedly arranged below the horizontal driving assembly and comprises a hydraulic driving assembly, a hammer core assembly and a punching assembly which are fixedly connected in sequence, and the hydraulic driving assembly is suitable for providing certain hydraulic pressure for the hammer core assembly so as to drive the punching assembly to strike the pile foundation; the lifting driving assembly is suitable for driving the horizontal driving assembly and the hydraulic hammer to move vertically, and the horizontal driving assembly is suitable for driving the hydraulic hammer to move horizontally along the horizontal direction of the horizontal driving assembly. The pile driver can solve the technical problems that the traditional pile driver is not flexible to use, limited in application range, troublesome to operate, low in efficiency and high in noise.

Description

Hydraulic pile driver

Technical Field

The invention relates to the technical field of building pile machines, in particular to a hydraulic pile machine.

Background

In the civil engineering process, firstly, the soil layer needs to be excavated and piled. When the conventional static pile press is used for pressing a pile, the hollow pile pipe is clamped by the clamping mechanism, and then the clamping mechanism is pushed down by the hydraulic jack, so that the hollow pile pipe is driven into an underground soil layer. The traditional static pile press has limited force because the hollow pile pipe is pushed downwards only by the force of the hydraulic jack, and the traditional static pile press can only be suitable for softer soil layers.

The prior art adopts rig cooperation operation usually, after the drilling rod with the rig drills the loose hard soil layer downwards earlier, reuse static pile press machine with the hollow pile pipe down push again, but this kind of operation needs constantly to switch over two kinds of equipment, the operation is more troublesome, work efficiency is low, be difficult to satisfy design bearing capacity or effective appointed pile length requirement, and the support frame of current rig is fixed structure usually, the support height is limited, can not join in marriage longer drilling rod and operate, it is not nimble enough to use, the range of application is limited, and the transportation of equipment is also convenient inadequately, the operating efficiency and the effect of pile driver have greatly been influenced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a hydraulic pile driver, which aims to solve the technical problems of troublesome operation, low efficiency and higher noise of the existing pile driver.

In order to solve the above problems, the present invention provides a hydraulic pile driver, including:

a tower crane;

the lifting driving assembly is fixedly connected to the front end of the tower crane;

the horizontal driving component is connected to the lifting driving component;

the hydraulic hammer is fixedly arranged below the horizontal driving assembly and comprises a hydraulic driving assembly, a hammer core assembly and a punching assembly which are fixedly connected in sequence, and the hydraulic driving assembly is suitable for providing certain hydraulic pressure for the hammer core assembly so as to drive the punching assembly to strike the pile foundation;

the lifting driving assembly is suitable for driving the horizontal driving assembly and the hydraulic hammer to move vertically, and the horizontal driving assembly is suitable for driving the hydraulic hammer to move horizontally along the horizontal direction of the horizontal driving assembly.

Preferably, the hydraulic driving assembly comprises an upper base, an upper hydraulic outer shell, an upper top cover and a hydraulic control structure, the upper base and the upper top cover are respectively suitable for being fixedly connected to two ends of the upper hydraulic outer shell, and the hydraulic control structure is fixedly installed in the upper hydraulic outer shell.

Preferably, the hydraulic control structure comprises a hydraulic tank, a control valve, a first air pipe, an upper air cylinder body, a second air pipe, a lower air cylinder body and a first piston, the output end of the hydraulic tank is communicated with the first port of the control valve, the second port of the control valve is communicated with the upper air cylinder body through the first air pipe, and the third port of the control valve is communicated with the lower air cylinder body through the second air pipe so as to control the pressure difference at two ends of the first piston.

Preferably, hammer core subassembly includes middle hammer core shell, middle hammer core base, middle hammer core top cap and hammer core structure, middle hammer core top cap is close to hydraulic drive subassembly's one end with go up base fixed connection, and be suitable for fixed connection be in the upper portion of middle hammer core base, middle hammer core shell is suitable for fixed connection be in the bottom of middle hammer core base, hammer core structure is close to hydraulic drive subassembly's one end with lower cylinder body fixed connection.

Preferably, the hammer core structure comprises a connecting shaft, a connecting sleeve, a connecting lifting lug, a connecting disc and a valve core, one end of the connecting shaft is inserted into the lower cylinder body and fixedly connected with the piston rod of the first piston, the other end of the connecting shaft is fixedly connected with the connecting lifting lug through the connecting sleeve, one end of the connecting disc is fixedly connected with the connecting lifting lug, and the other end of the connecting disc is fixedly connected with the valve core.

Preferably, the punching assembly comprises a conical sleeve shell, a locking piece, a punching head and a punching sleeve, the conical sleeve shell is close to one end of the hammer core assembly and fixedly connected with the middle hammer core base, the punching head is located in the conical sleeve shell, the punching head is close to one end of the hammer core structure and abutted to the valve core, and the locking piece is suitable for buckling the punching sleeve in the conical sleeve shell.

Preferably, the punching head comprises a cushion pad and a valve body, the cushion pad is sleeved at one end, close to the valve core, of the valve body, and one end, far away from the cushion pad, of the valve body is suitable for being clamped on the upper surface of the punching sleeve.

Preferably, the retaining member includes buckle and locking ring, and is a plurality of the buckle evenly distributed is in the surface of toper cover shell to pass the opening joint of toper cover shell is arrived on the outer periphery of punching press cover, still be equipped with on the outer periphery of buckle and tie the groove, the locking ring is suitable for locking in the bundle groove of buckle.

Preferably, the lifting driving assembly includes a lifting driving motor, a rotating cable seat and a lifting sliding plate, an output shaft of the lifting driving motor is fixedly connected to a central shaft of the rotating cable seat to drive the rotating cable seat to rotate, and two ends of the rotating cable seat are fixedly connected to two ends of the lifting sliding plate through cables to drive the lifting sliding plate to slide up and down along the vertical rod.

Preferably, the horizontal driving assembly comprises a horizontal beam frame, a horizontal driving motor located on the upper surface of the horizontal beam frame, and a plurality of groups of vertical transmission installation seats located in the horizontal beam frame, and the lower ends of the transmission installation seats are suitable for installing the hydraulic hammers.

Compared with the prior art, the hydraulic pile machine has the following beneficial effects:

1. according to the hydraulic pile driver, the hydraulic pile driver is designed, and the tower crane is used for moving the hydraulic pile driver to a position where a pile foundation needs to be driven, so that the position and the direction can be conveniently adjusted; the lifting driving assembly is fixedly connected to the front end of the tower crane through a vertical rod and used for lifting the height of the hydraulic pile machine to form certain gravity and gravitational potential energy so as to strike a pile foundation conveniently; the horizontal driving component is connected to the lifting driving component, can do vertical lifting motion under the driving action of the lifting driving component, and can also be suitable for doing horizontal motion; the hydraulic hammer is fixedly arranged below the horizontal driving assembly, the hydraulic driving force of the hammer is controlled through hydraulic pressure, the selection range of the working stroke and the working flow of the piston is favorably expanded, the technical requirement of large flow matching and large stroke is met, and the impact power is greatly increased.

2. Simple structure, reasonable in design, the structure is light and handy, convenient to carry, single alright completion operation, keeps certain distance between hydraulic pressure hitting hammer and the anvil, therefore when hydraulic pressure hitting hammer is downward, its decurrent thrust that receives and self downward inertia can fully release, improves the hitting dynamics of hitting hammer to improve the efficiency of pile.

Drawings

FIG. 1 is a schematic front view structure diagram of a hydraulic pile machine in an embodiment of the invention;

FIG. 2 is a schematic view of a directional structure of a hydraulic hammer according to an embodiment of the present invention;

FIG. 3 is a schematic front view of a hydraulic hammer according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a hydraulic hammer according to an embodiment of the present invention;

FIG. 5 is a schematic top view of a hydraulic hammer in an embodiment of the present invention;

FIG. 6 is a schematic top view of a hydraulic hammer in accordance with an embodiment of the present invention;

FIG. 7 is a schematic structural view of a hydraulic drive assembly in accordance with an embodiment of the present invention;

FIG. 8 is a schematic structural view of a hydraulic control structure in the embodiment of the present invention;

FIG. 9 is a schematic view showing the internal structure of a hydraulic drive unit according to the embodiment of the present invention;

FIG. 10 is a schematic structural view of a hammer core assembly according to an embodiment of the present invention;

FIG. 11 is a schematic cross-sectional structural view of a hammer core assembly in accordance with an embodiment of the present invention;

FIG. 12 is a schematic structural view of a hammer core structure in accordance with an embodiment of the present invention;

FIG. 13 is a schematic structural view of a punch assembly according to an embodiment of the present invention;

fig. 14 is a schematic cross-sectional structural view of a punch assembly in an embodiment of the present invention.

Description of the reference numerals:

10-a tower crane;

20-a lift drive assembly;

21-a lifting drive motor; 22-rotating cable seat; 23-lifting the sliding plate; 30-a horizontal drive assembly;

31-a horizontal cross-beam frame; 32-a horizontal drive motor; 33-a transmission mounting seat; 40-a hydraulic hammer;

41-a hydraulic drive assembly;

411-upper base; 412-upper hydraulic casing; 4121-first opening; 413-an upper top cover; 414-hydraulic control architecture; 4141-hydraulic tank; 4142-a control valve; 4143-first trachea; 4144-upper cylinder block; 4145-second trachea; 4146-lower cylinder block; 4147-a first piston;

42-a hammer core assembly;

421-middle hammer core housing; 422-middle hammer core base; 423-middle hammer core top cover; 424-hammer core construction; 4241-connecting shaft; 4242-connecting sleeve; 4243-connecting lifting lugs; 4244-connecting disc; 4245-valve core;

43-a punch assembly;

431-a conical sleeve housing; 432-a retaining member; 4321-Buckle; 4322-locking ring; 433-a punching head; 4331-cushion pad; 4332-valve body; 434-punching the sleeve.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that terms such as "upper", "lower", "front", "rear", and the like in the embodiments indicate orientation words, which are used for simplifying the description of positional relationships based on the drawings of the specification, and do not represent that elements, devices, and the like which are referred to must operate according to specific orientations and defined operations and methods, configurations in the specification, and such orientation terms do not constitute limitations of the present invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Referring to fig. 1 to 14, an embodiment of the present invention provides a hydraulic pile driver, which includes a tower crane 10, a lifting driving assembly 20, a horizontal driving assembly 30, and a hydraulic hammer 40, wherein:

the tower crane 10 is used for moving the hydraulic pile machine to a position where a pile foundation needs to be driven, so that the position and the direction can be conveniently adjusted; the lifting driving assembly 20 is fixedly connected to the front end of the tower crane 10 through a vertical rod and is used for lifting the height of the hydraulic pile machine to form certain gravity and gravitational potential energy so as to strike a pile foundation conveniently; the horizontal driving component 30 is connected to the lifting driving component 20, and can perform vertical lifting movement under the driving action of the lifting driving component 20, and the horizontal driving component 30 can also be suitable for performing horizontal movement; a hydraulic hammer 40 is fixedly mounted below the horizontal drive assembly 30.

Referring to fig. 2 and 3, in an embodiment of the present invention, the hydraulic hammer 40 includes a hydraulic driving unit 41, a hammer core unit 42 and a punching unit 43, which are fixedly connected in sequence, wherein the hydraulic driving unit 41 is adapted to apply a certain hydraulic pressure to the hammer core unit 42 to drive the punching unit 43 to strike a pile foundation.

Lift drive assembly 20 is adapted to move horizontal drive assembly 30 and hydraulic hammer 40 vertically, and horizontal drive assembly 30 is adapted to move hydraulic hammer 40 horizontally along horizontal drive assembly 30.

Therefore, the hydraulic pile driver can be moved to a required pile driving base position conveniently through the tower crane 10; through the lifting driving assembly 20 and the horizontal driving assembly 30, the vertical position of the hydraulic hammer 40 can be accurately adjusted to form certain gravitational potential energy, so that the pile foundation can be struck and stamped conveniently; the hydraulic hammer 40 adopts a hydraulic control mode to provide power energy so as to reduce noise caused by gravity striking and has high-efficiency driving power; difficult appearance rocks during circumferential direction, can transfer hydraulic hammer 40 at any time, and pile driving frame physical stamina realizes the horizontal direction and removes, and removes in-process pile driving frame body stability good.

Referring to fig. 7, 8 and 9, in the embodiment of the present invention, the hydraulic driving assembly 41 includes an upper base 411, an upper hydraulic outer casing 412, an upper cover 413 and a hydraulic control structure 414, the upper base 411 and the upper cover 413 are respectively adapted to be fixedly connected to two ends of the upper hydraulic outer casing 412, and the hydraulic control structure 414 is fixedly installed in the upper hydraulic outer casing 412.

Thus, the hydraulic control structure 414 is enclosed within the upper hydraulic housing 412, on the one hand, to protect the hydraulic control components and, on the other hand, to enable mating connection with the horizontal drive assembly 30.

In addition, the existing pile driver is generally heavy and needs two or more people to operate normally during working, and the pile driver adopting the hydraulic driving assembly 41 as a power source not only has an independent air source, but also is convenient to install and carry.

Referring to fig. 8 and 9, in the embodiment of the present invention, the hydraulic control structure 414 includes a hydraulic tank 4141, a control valve 4142, a first air tube 4143, an upper air tube 4144, a second air tube 4145, a lower air tube 4146 and a first piston 4147, an output end of the hydraulic tank 4141 is communicated with a first port of the control valve 4142, a second port of the control valve 4142 is communicated with the upper air tube 4144 through the first air tube 4143, and a third port of the control valve 4142 is communicated with the lower air tube 4146 through the second air tube 4145 to control a pressure difference between two ends of the first piston 4147.

It should be noted that, in the present embodiment, the upper cylinder block 4144 and the lower cylinder block 4146 have the same structure, and have the same first piston 4147, and the pistons of the upper cylinder block 4144 and the lower cylinder block 4146 are fixedly connected by the same piston rod.

Thus, the control valve 4142 can control the difference in gas pressure between both ends of the piston in the upper cylinder block 4144 and the lower cylinder block 4146, and move the piston in the vertical direction.

Referring to fig. 10 and 11, in the embodiment of the present invention, the hammer core assembly 42 includes an intermediate hammer core housing 421, an intermediate hammer core base 422, an intermediate hammer core top cover 423 and a hammer core structure 424, one end of the intermediate hammer core top cover 423 near the hydraulic driving assembly 41 is fixedly connected to the upper base 411 and is adapted to be fixedly connected to the upper portion of the intermediate hammer core base 422, the intermediate hammer core housing 421 is adapted to be fixedly connected to the bottom of the intermediate hammer core base 422, and one end of the hammer core structure 424 near the hydraulic driving assembly 41 is fixedly connected to the lower cylinder block 4146.

In the present embodiment, the hammer core assembly 42 is configured in a cylindrical shape, the hammer core structure 424 is adapted to slide up and down inside the hammer core housing 421, and one side of the hammer core structure 424 close to the hydraulic drive assembly 41 is fixedly connected with the lower cylinder block 4146 through an intermediate shaft, so that the hammer core structure 424 can move up and down in the hammer core housing 421 under the drive of the lower cylinder block 4146.

Referring to fig. 11, in the embodiment of the present invention, the hammer core structure 424 includes a connecting shaft 4241, a connecting sleeve 4242, a connecting lug 4243, a connecting plate 4244 and a valve core 4245, one end of the connecting shaft 4241 is inserted into the lower cylinder block 4146 and is fixedly connected to a piston rod of the first piston 4147, the other end of the connecting shaft is fixedly connected to the connecting lug 4243 through the connecting sleeve 4242, one end of the connecting plate 4244 is fixedly connected to the connecting lug 4243, and the other end of the connecting plate 4244 is fixedly connected to the valve core 4245.

Referring to fig. 13 and 14, in the embodiment of the present invention, the stamping assembly 43 includes a conical sleeve housing 431, a locking member 432, a stamping head 433 and a stamping sleeve 434, one end of the conical sleeve housing 431 near the hammer core assembly 42 is fixedly connected to the middle hammer core base 422, the stamping head 433 and the stamping sleeve 434 are located in the conical sleeve housing 431, one end of the stamping head 433 near the hammer core structure 424 abuts against the valve core 4245, and the locking member 432 is adapted to lock the stamping sleeve 434 in the conical sleeve housing 431.

Referring to fig. 14, in the embodiment of the present invention, the stamping head 433 includes a cushion 4331 and a valve body 4332, the cushion 4331 is sleeved on one end of the valve body 4332 close to the valve core 4245, and one end of the valve body 4332 far from the cushion 4331 is adapted to be clamped on the upper surface of the stamping sleeve 434.

Therefore, the invention has the advantages of simple structure, reasonable design, large striking force of the striking hammer, small vibration, good operation comfort and long service life of the sealing element.

Referring to fig. 14, in the embodiment of the present invention, the locking member 432 includes a plurality of buckles 4321 and a locking ring 4322, the plurality of buckles 4321 are uniformly distributed on the outer surface of the tapered sleeve housing 431 and are clamped to the outer circumferential surface of the stamping sleeve 434 through the opening of the tapered sleeve housing 431, a binding groove is further formed on the outer circumferential surface of the buckle 4321, and the locking ring 4322 is adapted to be locked in the binding groove of the buckle 4321.

Therefore, the driver can generate larger vibration, and the striking hammer is fixed by the locking member 432, so that the structure is firm, the operation comfort is improved, and parts are not easy to damage.

Referring to fig. 1, in the embodiment of the present invention, the lifting driving assembly 20 includes a lifting driving motor 21, a rotating cable seat 22 and a lifting sliding plate 23, an output shaft of the lifting driving motor 21 is fixedly connected to a central shaft of the rotating cable seat 22 to drive the rotating cable seat 22 to rotate, and two ends of the rotating cable seat 22 are fixedly connected to two ends of the lifting sliding plate 23 through cables to drive the lifting sliding plate 23 to slide up and down along a vertical rod.

Therefore, the hydraulic pile machine is convenient to move due to the following performance of the tower crane truck 10 in the pile hoisting process, the hoisted hydraulic hammer 40 is not easy to shake and stable, the concrete pile is hoisted in place, and the pile hoisting time is shortened.

Referring to fig. 1, in the embodiment of the present invention, the horizontal driving assembly 30 includes a horizontal beam frame 31, a horizontal driving motor 32 disposed on the upper surface of the horizontal beam frame 31, and a plurality of sets of vertical transmission mounting seats 33 disposed in the horizontal beam frame 31, wherein the lower ends of the transmission mounting seats 33 are adapted to mount a hydraulic hammer 40.

The working process comprises the following steps: in the process of piling, firstly, the pile is inserted into the sleeve, the upper part of the pile is abutted against the punching sleeve 434, when the first piston 4147 of the lower cylinder block 4146 moves upwards, the impact force of the striking hammer is zero, the pile jacks up the punching head 433 and the striking hammer due to the gravity of the pile driver acting on the pile, at the moment, the first air pipe 4143 of the striking hammer is closed through the control of the control valve 4142, and the gas in the air passage cannot enter the upper part of the striking hammer through the communication hole of the upper cylinder block 4144; the air in the air passage enters the lower part of a first piston 4147 of the lower air cylinder 4146 through a hole channel of the lower air cylinder 4146, so that pressure difference is generated between the upper part and the lower part of the striking hammer, the striking hammer is enabled to overcome the friction between parts and the self weight and to be continuously lifted, the second hole is opened at the moment, the second hole is positioned below the striking hammer, and when the piston moves upwards continuously, the air in the air passage enters the lower part of the striking hammer through the first hole and the second hole, so that the striking hammer is continuously lifted under the action of the pressure difference until the striking hammer reaches the lifting height; when the hydraulic control structure 414 controls the first piston 4147 to move downwards, the gas between the first piston 4147 and the striking hammer is compressed, the compressed air pushes the striking hammer to move downwards rapidly through the expansion force of the compressed air, meanwhile, a part of redundant gas flows out from the upper hole, the gas below the striking hammer is discharged from the exhaust hole, when the striking hammer moves to be matched with the chopping block retainer, the second hole is positioned above the striking hammer, the second hole is opened at the moment, the redundant gas above the striking hammer is discharged from the second hole, the striking hammer generates strong impact force under the thrust of the compressed air and the self inertia, and strikes on the anvil to realize striking action.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. A hydraulic pile driver is characterized in that: the method comprises the following steps:

a tower crane (10);

a lifting drive assembly (20) fixedly connected to the front end of the tower crane (10);

the horizontal driving assembly (30) is connected to the lifting driving assembly (20);

the hydraulic hammer (40) is fixedly arranged below the horizontal driving assembly (30), the hydraulic hammer (40) comprises a hydraulic driving assembly (41), a hammer core assembly (42) and a punching assembly (43) which are sequentially and fixedly connected, and the hydraulic driving assembly (41) is suitable for supplying certain hydraulic pressure to the hammer core assembly (42) so as to drive the punching assembly (43) to strike a pile foundation;

the lifting driving assembly (20) is suitable for driving the horizontal driving assembly (30) and the hydraulic hammer (40) to vertically move, and the horizontal driving assembly (30) is suitable for driving the hydraulic hammer (40) to horizontally move along the horizontal direction of the horizontal driving assembly (30).

2. The hydraulic pile machine of claim 1, characterized in that: the hydraulic drive assembly (41) comprises an upper base (411), an upper hydraulic outer shell (412), an upper top cover (413) and a hydraulic control structure (414), wherein the upper base (411) and the upper top cover (413) are respectively suitable for being fixedly connected to two ends of the upper hydraulic outer shell (412), and the hydraulic control structure (414) is fixedly installed in the upper hydraulic outer shell (412).

3. The hydraulic pile machine of claim 2, wherein: the hydraulic control structure (414) comprises a hydraulic tank (4141), a control valve (4142), a first air pipe (4143), an upper air cylinder body (4144), a second air pipe (4145), a lower air cylinder body (4146) and a first piston (4147), wherein the output end of the hydraulic tank (4141) is communicated with a first port of the control valve (4142), a second port of the control valve (4142) is communicated with the upper air cylinder body (4144) through the first air pipe (4143), and a third port of the control valve (4142) is communicated with the lower air cylinder body (4146) through the second air pipe (4145) so as to control the pressure difference between two ends of the first piston (4147).

4. The hydraulic pile machine of claim 3, wherein: hammer core subassembly (42) are including middle hammer core shell (421), middle hammer core base (422), middle hammer core top cap (423) and hammer core structure (424), middle hammer core top cap (423) are close to the one end of hydraulic drive subassembly (41) with go up base (411) fixed connection, and be suitable for fixed connection in the upper portion of middle hammer core base (422), middle hammer core shell (421) are suitable for fixed connection in the bottom of middle hammer core base (422), hammer core structure (424) are close to the one end of hydraulic drive subassembly (41) with lower cylinder body (4146) fixed connection.

5. The hydraulic pile machine of claim 4, wherein: the hammer core structure (424) comprises a connecting shaft (4241), a connecting sleeve (4242), a connecting lifting lug (4243), a connecting disc (4244) and a valve core (4245), one end of the connecting shaft (4241) is inserted into the lower cylinder body (4146) and fixedly connected with a piston rod of the first piston (4147), the other end of the connecting shaft is fixedly connected with the connecting lifting lug (4243) through the connecting sleeve (4242), one end of the connecting disc (4244) is fixedly connected with the connecting lifting lug (4243), and the other end of the connecting disc is fixedly connected with the valve core (4245).

6. The hydraulic pile machine of claim 5, wherein: punching press subassembly (43) include toper cover shell (431), retaining member (432), punching press head (433) and punching press cover (434), toper cover shell (431) are close to the one end of hammer core subassembly (42) with middle hammer core base (422) fixed connection, punching press head (433) with punching press cover (434) are located in toper cover shell (431), just punching press head (433) are close to the one end of hammer core structure (424) with valve core (4245) looks butt, retaining member (432) are suitable for with punching press cover (434) lock joint is in toper cover shell (431).

7. The hydraulic pile machine of claim 6, wherein: punching press head (433) include blotter (4331) and valve body (4332), blotter (4331) cover is established valve body (4332) are close to the one end of case (4245), valve body (4332) are kept away from the one end of blotter (4331) is suitable for the joint to be in the upper surface of punching press cover (434).

8. The hydraulic pile machine of claim 7, wherein: retaining member (432) include buckle (4321) and locking ring (4322), and is a plurality of buckle (4321) evenly distributed is in the surface of toper cover shell (431) to pass the opening joint of toper cover shell (431) arrives on the outer periphery of punching press cover (434), still be equipped with on the outer periphery of buckle (4321) and tie the groove, locking ring (4322) are suitable for the locking in the bundle inslot of buckle (4321).

9. The hydraulic pile machine of claim 1, characterized in that: the lifting driving assembly (20) comprises a lifting driving motor (21), a rotating cable seat (22) and a lifting sliding plate (23), an output shaft of the lifting driving motor (21) is fixedly connected with a central shaft of the rotating cable seat (22) to drive the rotating cable seat (22) to rotate, and two ends of the rotating cable seat (22) are fixedly connected with two ends of the lifting sliding plate (23) through cables to be suitable for driving the lifting sliding plate (23) to slide up and down along a vertical rod.

10. The hydraulic pile machine of claim 9, wherein: the horizontal driving assembly (30) comprises a horizontal cross beam frame (31), a horizontal driving motor (32) located on the upper surface of the horizontal cross beam frame (31) and a plurality of groups of vertical transmission installation seats (33) located in the horizontal cross beam frame (31), and the lower ends of the transmission installation seats (33) are suitable for installing the hydraulic hammers (40).