CN114790737B

CN114790737B - Hydraulic pile machine

Info

Publication number: CN114790737B
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: 2023-07-28
Anticipated expiration: 2042-03-31
Also published as: CN114790737A

Abstract

The invention discloses a hydraulic pile machine, which belongs to the technical field of building pile machines and comprises a tower crane; the lifting driving assembly is fixedly connected to the front end of the tower crane; the horizontal driving assembly is connected to the lifting driving assembly; 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 sequentially and fixedly connected, 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 a pile foundation; the lifting driving assembly is suitable for driving the horizontal driving assembly and the hydraulic hammer to vertically move, and the horizontal driving assembly is suitable for driving the hydraulic hammer to horizontally move along the horizontal direction of the horizontal driving assembly. The invention can solve the technical problems of inflexible use, limited application range, troublesome operation, low efficiency and high noise of the traditional pile driver.

Description

Hydraulic pile machine

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 existing static pile pressing machine is used for pressing piles, the hollow pile pipes are clamped through the clamping mechanisms, and then the clamping mechanisms are pushed down through the hydraulic jacks, so that the hollow pile pipes are driven into an underground soil layer. The traditional static pile pressing machine can push down the hollow pile pipe only by the force of the hydraulic jack, has limited force and can be only suitable for softer soil layers.

The prior art adopts rig cooperation operation generally, uses the drilling rod of rig to bore down earlier and loosens the hard soil layer, and then uses the static pile press again and pushes away hollow pile pipe downwards, but this kind of operation needs to constantly switch two kinds of equipment, and the operation is more troublesome, work efficiency is low, is difficult to satisfy design bearing capacity or effective appointed pile length requirement, and the support frame of current rig is fixed structure generally, and the supporting height is limited in addition, can not join in marriage and operate with longer drilling rod, uses inflexibly, and the range of application is limited, and the transportation of equipment is also inconvenient enough moreover, has greatly influenced pile driver's operating efficiency and effect.

Disclosure of Invention

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

In order to solve the above problems, the present invention provides a hydraulic pile machine, comprising:

a tower crane;

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

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

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 sequentially and fixedly connected, 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 a pile foundation;

the lifting driving assembly is suitable for driving the horizontal driving assembly and the hydraulic hammer to vertically move, and the horizontal driving assembly is suitable for driving the hydraulic hammer to horizontally move 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, wherein the upper base and the upper top cover are respectively suitable for being fixedly connected with 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 cylinder body, a second air pipe, a lower cylinder body and a first piston, wherein the output end of the hydraulic tank is communicated with a first port of the control valve, a second port of the control valve is communicated with the upper cylinder body through the first air pipe, and a third port of the control valve is communicated with the lower cylinder body through the second air pipe so as to control the pressure difference at two ends of the first piston.

Preferably, the hammer core assembly comprises a middle hammer core shell, a middle hammer core base, a middle hammer core top cover and a hammer core structure, wherein the middle hammer core top cover is close to one end of the hydraulic driving assembly and is fixedly connected with the upper base and is suitable for being fixedly connected with the upper portion of the middle hammer core base, the middle hammer core shell is suitable for being fixedly connected with the bottom of the middle hammer core base, and one end of the hammer core structure close to the hydraulic driving assembly is fixedly connected with the lower cylinder body.

Preferably, the hammer core structure comprises a connecting shaft, a connecting sleeve, a connecting lifting lug, a connecting disc and a valve core, wherein one end of the connecting shaft is inserted into the lower cylinder body and fixedly connected with a 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, wherein 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 and the punching sleeve are positioned in the conical sleeve shell, the punching head is close to one end of the hammer core structure and is abutted against the valve core, and the locking piece is suitable for buckling the punching sleeve in the conical sleeve shell.

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

Preferably, the locking piece comprises a buckle and a locking ring, a plurality of buckles are uniformly distributed on the outer surface of the conical sleeve shell and pass through the opening of the conical sleeve shell to be clamped on the outer circumferential surface of the stamping sleeve, a binding groove is further formed in the outer circumferential surface of the buckle, and the locking ring is suitable for being locked in the binding groove of the buckle.

Preferably, the lifting driving assembly comprises a lifting driving motor, a rotary cable seat and a lifting sliding plate, wherein an output shaft of the lifting driving motor is fixedly connected with a central shaft of the rotary cable seat so as to drive the rotary cable seat to rotate, and two ends of the rotary cable seat are fixedly connected with two ends of the lifting sliding plate through cables so as to be suitable for driving 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 positioned on the upper surface of the horizontal beam frame and a plurality of groups of vertical transmission mounting seats positioned in the horizontal beam frame, and the lower ends of the transmission mounting seats are suitable for mounting the hydraulic hammer.

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

1. according to the hydraulic pile driving machine, the tower crane is used for moving the hydraulic pile driving machine to a position where pile driving is needed, 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 vehicle through a vertical rod and is used for lifting the height of the hydraulic pile machine so as to form a certain gravity and gravitational potential energy, so that the pile foundation can be conveniently hit; the horizontal driving assembly is connected to the lifting driving assembly and can vertically lift under the driving action of the lifting driving assembly, and the horizontal driving assembly can be also suitable for horizontal movement; the hydraulic hammer is fixedly arranged below the horizontal driving assembly, 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 enlarged, the technical requirement of large flow matching large stroke is met, and impact energy is greatly increased.

2. The hydraulic hammer has the advantages that the hydraulic hammer is simple in structure, reasonable in design, light in structure and convenient to carry, a certain distance is kept between the hydraulic hammer and the anvil, the hydraulic hammer can be fully released due to downward thrust and downward inertia of the hydraulic hammer, the striking force of the hammer is improved, and accordingly the piling efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of a hydraulic pile driver according to an embodiment of the present 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 in accordance with one embodiment of the present invention;

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

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

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

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

FIG. 9 is a schematic view of the internal structure of a hydraulic drive assembly in accordance with an embodiment of the present invention;

FIG. 10 is a schematic view of the structure of a hammer core assembly in accordance with one embodiment of the present invention;

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

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

FIG. 13 is a schematic view of a stamping assembly in accordance with an embodiment of the present invention;

fig. 14 is a schematic cross-sectional view of a stamping assembly in accordance with an embodiment of the present invention.

Reference numerals illustrate:

10-tower crane;

20-lifting drive assembly;

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

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

41-a hydraulic drive assembly;

411-upper base; 412-an upper hydraulic housing; 4121-a first opening; 413-upper top cap; 414-hydraulic control structure; 4141-hydraulic tank; 4142-control valve; 4143-first tracheal tube; 4144-upper cylinder block; 4145-a second tracheal tube; 4146-lower cylinder block; 4147-a first piston;

42-hammer core assembly;

421—an intermediate core housing; 422-middle core mount; 423-middle hammer core top cover; 424-hammer core structure; 4241-connecting shaft; 4242-connecting sleeve; 4243-connecting lugs; 4244-connecting disc; 4245-valve core;

43-a punching assembly;

431-a conical sleeve housing; 432-locking member; 4321-snap; 4322-a locking ring; 433-stamping head; 4331-cushion pad; 4332 valve body; 434-stamping sleeve.

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the 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 directional terms, and are merely used for simplifying the description based on the positional relationship of the drawings in the specification, and do not represent that the elements and devices and the like referred to must be operated according to the specific orientations and the operations and methods, configurations defined in the specification, and such directional terms do not constitute limitations of the present invention.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as exemplified by a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, or can be communicated inside the two components, or can be connected wirelessly or in a wired way. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 14, an embodiment of the present invention provides a hydraulic pile machine including 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 driver to a position where pile driving is needed, 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 truck 10 through a vertical rod and is used for lifting the height of the hydraulic pile machine so as to form a certain gravity and gravitational potential energy, so that the pile foundation can be conveniently hit; the horizontal driving assembly 30 is connected to the lifting driving assembly 20, and can vertically lift under the driving action of the lifting driving assembly 20, and the horizontal driving assembly 30 can be also suitable for horizontally moving; the hydraulic hammer 40 is fixedly mounted below the horizontal drive assembly 30.

Referring to fig. 2 and 3, in the embodiment of the present invention, the hydraulic hammer 40 includes a hydraulic driving assembly 41, a hammer core assembly 42 and a punching assembly 43 fixedly connected in sequence, wherein the hydraulic driving assembly 41 is adapted to provide a certain hydraulic force to the hammer core assembly 42 to drive the punching assembly 43 to strike 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.

Thus, by means of the tower crane 10, it is greatly convenient to move the hydraulic pile machine to the desired pile driving base position; the vertical position of the hydraulic hammer 40 can be accurately adjusted through the lifting driving assembly 20 and the horizontal driving assembly 30 to form a certain gravitational potential energy, so that the pile foundation can be conveniently hit and punched; 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; the hydraulic hammer 40 can be called at any time, the pile driving frame body can move in the horizontal direction, and the pile driving frame body has good stability in the moving process.

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 housing 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 adapted to be fixedly connected to two ends of the upper hydraulic outer housing 412, and the hydraulic control structure 414 is fixedly installed in the upper hydraulic outer housing 412.

Thus, the hydraulic control structure 414 is enclosed within the upper hydraulic housing 412, on the one hand providing protection for the hydraulic control components, and on the other hand being able to be adapted to the horizontal drive assembly 30.

In addition, the existing pile driver is generally heavy, and two or even more people are required to perform normal operation during working, while the pile driver adopting the hydraulic driving assembly 41 as a power source not only has an independent air source, but also has convenient installation and carrying of the air source.

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 cylinder block 4144, a second air tube 4145, a lower cylinder block 4146 and a first piston 4147, wherein 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 cylinder block 4144 through the first air tube 4143, and a third port of the control valve 4142 is communicated with the lower cylinder block 4146 through the second air tube 4145 to control a pressure difference across the first piston 4147.

In this embodiment, the upper cylinder block 4144 and the lower cylinder block 4146 have the same structure and 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 gas pressure difference between the piston ends of the upper cylinder block 4144 and the lower cylinder block 4146, and thereby move the piston in the up-down direction.

Referring to fig. 10 and 11, in the embodiment of the present invention, the core assembly 42 includes a middle core housing 421, a middle core base 422, a middle core top cover 423 and a core structure 424, wherein one end of the middle core top cover 423 near the hydraulic driving assembly 41 is fixedly connected with the upper base 411 and adapted to be fixedly connected to the upper portion of the middle core base 422, the middle core housing 421 is adapted to be fixedly connected to the bottom portion of the middle core base 422, and one end of the core structure 424 near the hydraulic driving assembly 41 is fixedly connected with 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 a side of the hammer core structure 424 near the hydraulic driving assembly 41 is fixedly connected to the lower cylinder block 4146 through an intermediate shaft, so that the hammer core structure 424 can move up and down inside the hammer core housing 421 under the driving 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 disc 4244 and a valve core 4245, one end of the connecting shaft 4241 is inserted into the lower cylinder block 4146 and fixedly connected with a piston rod of the first piston 4147, the other end is fixedly connected with the connecting lug 4243 through the connecting sleeve 4242, one end of the connecting disc 4244 is fixedly connected with the connecting lug 4243, and the other end is fixedly connected with the valve core 4245.

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

Referring to fig. 14, in the embodiment of the invention, the punching head 433 includes a cushion 4331 and a valve body 4332, the cushion 4331 is sleeved at one end of the valve body 4332 close to the valve core 4245, and one end of the valve body 4332 away from the cushion 4331 is adapted to be clamped on the upper surface of the punching 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 invention, the locking member 432 includes a buckle 4321 and a locking ring 4322, wherein a plurality of buckles 4321 are uniformly distributed on the outer surface of the conical sleeve housing 431 and are clamped to the outer circumferential surface of the stamping sleeve 434 through the opening of the conical sleeve housing 431, the outer circumferential surface of the buckle 4321 is further provided with a binding groove, and the locking ring 4322 is adapted to be locked in the binding groove of the buckle 4321.

Therefore, the pile driver can generate larger vibration, the structure is firm by fixing the locking piece 432 at the striking hammer, the operation comfort is improved, and the 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, wherein 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 so as to be suitable for driving the lifting sliding plate 23 to slide up and down along a vertical rod.

Therefore, in the pile hanging process, the hydraulic pile machine is convenient to move due to the follow-up property of the tower crane truck 10, and the lifted hydraulic hammer 40 is not easy to shake and stable, so that the pile hanging 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 located on an upper surface of the horizontal beam frame 31, and a plurality of sets of vertical transmission mounts 33 located in the horizontal beam frame 31, wherein a lower end of the transmission mounts 33 is adapted to mount a hydraulic hammer 40.

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

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a hydraulic pile machine which characterized in that: comprising the following steps:

a tower crane (10);

the lifting driving assembly (20) is 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 providing certain hydraulic pressure for the hammer core assembly (42) so as to drive the punching assembly (43) to strike a pile foundation;

the hydraulic driving 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);

the hydraulic control structure (414) comprises a hydraulic tank (4141), a control valve (4142), a first air pipe (4143), an upper cylinder block (4144), a second air pipe (4145), a lower cylinder block (4146) and a first piston (4147), wherein the output end of the hydraulic tank (4141) is communicated with the first port of the control valve (4142), the second port of the control valve (4142) is communicated with the upper cylinder block (4144) through the first air pipe (4143), and the third port of the control valve (4142) is communicated with the lower cylinder block (4146) through the second air pipe (4145) so as to control the pressure difference across the first piston (4147);

the hammer core assembly (42) comprises a middle hammer core shell (421), a middle hammer core base (422), a middle hammer core top cover (423) and a hammer core structure (424), wherein one end of the middle hammer core top cover (423) close to the hydraulic driving assembly (41) is fixedly connected with the upper base (411) and is suitable for being fixedly connected to the upper part of the middle hammer core base (422), the middle hammer core shell (421) is suitable for being fixedly connected to the bottom of the middle hammer core base (422), and one end of the hammer core structure (424) close to the hydraulic driving assembly (41) is fixedly connected with the lower cylinder block (4146);

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 according to claim 1, wherein: hammer core structure (424) include connecting axle (4241), adapter sleeve (4242), connect lug (4243), connection pad (4244) and case (4245), the one end of connecting axle (4241) is inserted and is established in lower cylinder block (4146), and with the piston rod fixed connection of first piston (4147), the other end passes through adapter sleeve (4242) with connect lug (4243) fixed connection, the one end of connection pad (4244) with connect lug (4243) fixed connection, the other end with case (4245) fixed connection.

3. The hydraulic pile machine according to claim 2, wherein: the punching assembly (43) comprises a conical sleeve shell (431), a locking member (432), a punching head (433) and a punching sleeve (434), wherein the conical sleeve shell (431) is close to one end of the hammer core assembly (42) and is fixedly connected with the middle hammer core base (422), the punching head (433) and the punching sleeve (434) are located in the conical sleeve shell (431), one end of the punching head (433) close to the hammer core structure (424) is abutted against the valve core (4245), and the locking member (432) is suitable for locking the punching sleeve (434) in the conical sleeve shell (431).

4. A hydraulic pile machine according to claim 3, characterised in that: the punching head (433) comprises a buffer pad (4331) and a valve body (4332), the buffer pad (4331) is sleeved at one end, close to the valve core (4245), of the valve body (4332), and one end, far away from the buffer pad (4331), of the valve body (4332) is suitable for being clamped on the upper surface of the punching sleeve (434).

5. The hydraulic pile machine according to claim 4, wherein: the locking piece (432) comprises a buckle (4321) and a locking ring (4322), wherein a plurality of buckles (4321) are uniformly distributed on the outer surface of the conical sleeve shell (431) and penetrate through an opening of the conical sleeve shell (431) to be clamped on the outer circumferential surface of the stamping sleeve (434), a binding groove is further formed in the outer circumferential surface of the buckle (4321), and the locking ring (4322) is suitable for being locked in the binding groove of the buckle (4321).

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

7. The hydraulic pile machine according to claim 6, wherein: the horizontal driving assembly (30) comprises a horizontal beam frame (31), a horizontal driving motor (32) arranged on the upper surface of the horizontal beam frame (31) and a plurality of groups of vertical transmission mounting seats (33) arranged in the horizontal beam frame (31), and the lower ends of the transmission mounting seats (33) are suitable for mounting the hydraulic hammers (40).