Guiding device, pile pressing device and pile driver

Abstract

The utility model discloses a guiding device, a pile pressing device and a pile driver, and relates to the technical field of constructional engineering equipment.The guiding device comprises a pile driver support, and a cement pile is placed in the pile driver support; the feeding direction of the driving part is perpendicular to the cement pile, one end of the driving part is connected with an abutting part, the abutting part abuts against the side wall of the cement pile, and the abutting part is used for locking the motion state of the cement pile. According to the pile driver, the technical problems that in the pile driving process of a pile driver, the cement pile deviates or inclines due to the influence of external force, and the cement pile floats upwards after pile pressing are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building engineering equipment technical field, especially a kind of guiding device, pile driver and pile driver. BACKGROUND

[0002] Pile driver is a kind of pile construction machinery for stake body penetrates stratum, is widely used in construction, bridge, highway, railway and other infrastructure construction.Its basic composition includes pile driver, pile frame and auxiliary equipment etc.Pile driver is installed between the vertical guide rod inside the pile frame, is lifted after lifting hook lifting, or is driven by power to impact, to stake body is driven into soil layer.But in the pile driving process, stake body is not corrected stake body falling direction by guiding device, leading to stake body that is driven into soil layer appears skew, stake body inclination deviation can lead to additional bending moment and shear force when stake body is under load, this additional internal force can reduce the vertical bearing capacity of pile, increase the deformation of stake body, in addition, when pile driving, the soil layer that is extruded can produce upward stress to cement stake, make cement stake float, above-mentioned situation can all influence the stability of stake body structure, lead to construction quality unqualified, bring safety risk in subsequent construction.

[0003] In view of the above, developing a kind of guiding device with correcting pile driving direction of pile driver, avoid the pile body floating after pile driving, pile driver and pile driver, it is the problem that the person skilled in the art urgently solves. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of guiding device, pile driver and pile driver, solve the technical problem that pile body is not guided in the pile driving process of pile driver, and stake body that is driven into soil layer is inclined.

[0005] To achieve the above-mentioned purpose, the utility model provides a kind of guiding device, comprising:

[0006] Pile driver support, the inside of pile driver support is used to place cement stake;

[0007] Drive part, drive part feed direction is vertically arranged with cement stake, one end of drive part is connected with abutting portion, abutting portion bears cement stake side wall, and abutting portion is used to lock the displacement of cement stake in horizontal direction.

[0008] Preferably, drive part includes: guide oil cylinder, for pushing abutting portion, two parallel guide rods are symmetrically arranged on both sides of guide oil cylinder, one end of each guide rod away from cement stake is provided with transmission plate, transmission plate is connected with guide oil cylinder, one end of each guide rod away from transmission plate is connected with abutting portion, guide oil cylinder pushes and pulls guide rod, so that guide rod drives abutting portion to bear cement stake side wall.

[0009] Preferably, the abutting part comprises an abutting plate perpendicular to the guide rods, the end of each guide rod is provided through the two ends of the abutting plate, and the end of the guide rod is provided with a fixing nut for fixedly connecting the abutting plate and the guide rod, the abutting plate is provided with two mutually parallel wing plates on the two side walls in the height direction of the pile driver support, and the two wing plates clasp the rotatable abutting wheels, the side wall of the abutting wheel is attached to the side wall of the cement pile, and the abutting wheel rotates during the pile pressing process of the cement pile.

[0010] Preferably, the rotating shafts on the two sides of the abutting wheel are provided through the wing plates, and the first elastic members are arranged between the wing plates and the rotating shafts, the first elastic members are located inside the wing plates and are deformed in a direction perpendicular to the side wall of the cement pile, so that the abutting wheel can move perpendicular to the side wall of the cement pile.

[0011] Preferably, the pile driver support comprises four mutually parallel columns, each column is connected by a fixed plate, and the end of the pile driver support is provided with two parallel connecting plates, the guide oil cylinder and the guide rod are fixed on the connecting plates through the mounting plate.

[0012] Preferably, the guide device is provided at one end of the pile driver support, the adjacent guide devices are perpendicular to each other, each abutting part is attached to each side wall of the cement pile, and four positioning devices are provided at the end of the pile driver support away from the connecting plate, the positioning device comprises a positioning oil cylinder, the positioning rods are provided in parallel on the two sides of the positioning oil cylinder, the positioning rods are connected with the positioning oil cylinder and the positioning wheel through the mounting frame, and the second elastic members are arranged between the positioning wheel and the mounting frame, and the positioning wheel can move in a direction perpendicular to the side wall of the cement pile.

[0013] A pile pressing device comprises the above-mentioned guide device, and further comprises:

[0014] Two pile pressing oil cylinders are provided through the connecting plates, and each pile pressing oil cylinder is arranged in parallel with the pile driver support;

[0015] A first pile gripper is slidably arranged in the pile driver support and connected with the pile pressing oil cylinder, and the first pile gripper clamps the cement pile;

[0016] A second pile gripper is fixed to the end of the pile driver support away from the guide oil cylinder, and the second pile gripper locks the position of the cement pile.

[0017] Preferably, the first pile gripper is provided with a plurality of rolling wheels on the two end edges in the height direction of the pile driver support, each rolling wheel is attached to the two side walls adjacent to the column, four adjusting motors are arranged on the side end face of the first pile gripper close to the connecting plate, each adjusting motor is connected with an adjusting plate, each adjusting plate is attached to each side wall of the cement pile, and four adjusting motors are arranged on the side end face of the second pile gripper close to the connecting plate.

[0018] Preferably, the pile driver support is further provided with a moving plate on both sides, the moving plate is matched with the guide rail outside the pile driver support, one side of the moving plate is provided with a driving oil cylinder, the driving oil cylinder pushes and pulls the moving plate, so that the pile driver support drives the cement pile to move.

[0019] A pile driver comprising the pile pressing device.

[0020] With respect to the background art, the guiding device comprises a pile driver support, the pile driver support is used for supporting and bearing a driving part and an abutting part, and a cement pile is arranged inside the pile driver support, the driving part is arranged at one end of the pile driver support, the feeding direction of the driving part is perpendicular to the pile driver support, the abutting part is arranged at the end of the driving part close to the pile driver support, the abutting part can be attached to the side wall of the cement pile, the driving part drives the abutting part to move to a preset pile pressing position of the cement pile, the abutting part abuts against the side wall of the cement pile, the subsequent pile pressing direction of the cement pile is locked, and the cement pile is ensured to be driven into the soil layer along the preset direction. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of the provided drawings.

[0022] Figure 1 A pile driver structure diagram provided by the embodiment of the present application;

[0023] Figure 2 A partial structure diagram of the pile driver provided by the embodiment of the present application is provided with a guiding device;

[0024] Figure 3 A partial structure diagram of the pile driver provided by the embodiment of the present application is provided with a first pile holder and a moving plate;

[0025] Figure 4 A partial structure diagram of the pile driver provided by the embodiment of the present application is provided with a second pile holder;

[0026] Figure 5 A partial structure diagram of the positioning device provided by the embodiment of the present application;

[0027] Figure 6 An assembly diagram of the abutting wheel and the wing plate provided by the embodiment of the present application.

[0028] 1-pile machine support; 2-pile pressing oil cylinder; 3-first pile gripper; 4-driving part; 41-guiding oil cylinder; 42-guiding rod; 43-transmission plate; 5-abutting part; 51-abutting plate; 52-wing plate; 53-abutting wheel; 54-first elastic member; 6-connecting plate; 7-mounting plate; 8-rolling wheel; 9-adjusting motor; 91-adjusting plate; 10-moving plate; 101-moving wheel; 11-second pile gripper; 12-positioning rod; 13-positioning wheel; 14-rail; 15-column; 16-fixing plate; 17-driving oil cylinder; 18-stiffening plate; 19-second elastic member; 20-positioning oil cylinder; 21-mounting frame. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0030] In order for those skilled in the art to better understand the technical solutions of the present application, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0031] The present application provides a guiding device, which comprises a pile machine support 1 for bearing the guiding device and a driving device, the pile machine support 1 is internally provided with a space for placing a cement pile, and the placing direction of the cement pile is parallel to the pile machine support 1. A driving part 4 is arranged at the end of the pile machine support 1, the feeding direction of the driving part 4 is perpendicular to the pile machine support 1, and an abutting part 5 is connected to one end of the driving part 4. The driving part 4 can drive the abutting part 5 to move in a direction perpendicular to the pile machine support 1, that is, the abutting part 5 can abut against the cement pile placed in the pile machine support 1 through the driving part 4. The setting position of the abutting part 5 is adjusted through the driving part 4, so as to determine the pile pressing position and direction of the cement pile. During the pile pressing process of the cement pile, the driving part 4 is locked, the position of the abutting part 5 connected thereto is determined, the side wall of the cement pile is always attached to the abutting part 5, and the pile pressing direction of the cement pile is always along the preset direction. Through the arrangement of the guiding device, the construction accuracy of the pile driver and the load strength of the cement pile are improved.

[0032] Please refer to the drawings in the description Figure 1The driving part 4 comprises a guide oil cylinder 41, which is provided with a transmission plate 43 at one end away from the cement pile, the transmission plate 43 is arranged perpendicularly to the guide oil cylinder 41, and two guide rods 42 are symmetrically arranged on both sides of the guide oil cylinder 41 and parallel to each other, the two guide rods 42 are respectively connected to both ends of the transmission plate 43, that is, each guide rod 42 is connected together with the guide oil cylinder 41 through the transmission plate 43, and the guide rod 42 moves synchronously with the guide oil cylinder 41, and the abutting part 5 is connected to one side of the guide rod 42 away from the transmission plate 43, when the direction of the cement pile is adjusted, the guide oil cylinder 41 drives the guide rod 42 to move through the transmission plate 43, so that the abutting part 5 connected to the guide rod 42 abuts against the side wall of the cement pile, locking the displacement of the cement pile in the horizontal direction, and ensuring that the direction of the cement pile is always along the vertical direction.

[0033] Further, the pile machine support 1 comprises four parallel columns 15, each column 15 is connected through a fixed plate 16, and two parallel connecting plates 6 are arranged at one end of the pile machine support 1, the two ends of the connecting plate 6 are respectively connected to the end portions of the columns 15, and the mounting plate 7 is arranged on the connecting plate 6, the mounting plate 7 is perpendicular to the pile machine support 1, and the guide device is arranged on the end face of the mounting plate 7, the abutting part 5 is connected to one end of each guide rod 42 close to the cement pile, the guide rod 42 is perpendicular to the end face of the cement pile, and the guide rod 42 abuts the abutting part 5 on the side wall of the cement pile, when the position of the cement pile is determined by each guide rod 42, the guide oil cylinder 41 locks the guide rod 42 to limit the displacement of the cement pile in the horizontal direction, and ensures that the angle of the cement pile does not change during the process of pressing into the soil layer, thereby improving the construction precision.

[0034] Please continue to refer to the drawings in the description Figure 2The abutting part 5 comprises an abutting plate 51 perpendicular to the guide rods 42, the ends of each guide rod 42 are respectively arranged through the two ends of the abutting plate 51, and a fixing nut is arranged at one end of the guide rod 42 through the abutting plate 51, the abutting plate 51 is clamped by screwing the fixing nut, the position of the abutting plate 51 and the two guide rods 42 is locked, the connection between the guide rod 42 and the abutting plate 51 is ensured to be fastened, the abutting part 5 is prevented from loosening to affect the guiding effect, further, a pair of wing plates 52 are respectively connected to the two side end faces of the abutting plate 51 in the height direction of the pile machine support 1, the two wing plates 52 arranged on the same side are parallel to each other, and the abutting wheel 53 is rotatably connected between the two parallel wing plates 52, the side wall of the abutting wheel 53 can be attached to the side wall of the cement column, it should be noted that the wing plates 52 and the abutting plate 51 are arranged at a certain angle, so that one end of each wing plate 52 connected to the abutting wheel 53 is inclined to one end of the cement pile, so that the abutting wheel 53 can be fully attached to the side wall of the cement pile, in the process of pile pressing operation, the guide rod 42 drives the guide device to abut against the side wall of the cement pile, the abutting wheel 53 connected to the abutting plate 51 is attached to the cement pile, and in the process of inserting the cement pile into the soil layer, the abutting wheel 53 abutting against the cement pile rotates, by arranging the abutting wheel 53, the guide device and the cement pile are prevented from scratching and colliding, so that the guide device can be smoothly guided throughout the pile pressing operation, and the construction accuracy of the pile driver is further improved.

[0035] Please refer to the drawings in the description Figure 1 with the drawings Figure 5 The abutting wheel 53 is provided with a rotating shaft on both sides, each rotating shaft is arranged through the two side wing plates 52, and the rotating shaft is perpendicular to the end face of the wing plate 52, and a first elastic member 54 is further arranged between the rotating shaft and the wing plate 52, the first elastic member 54 is arranged in the wing plate 52, the deformation direction of the first elastic member 54 is parallel to the wing plate 52 and perpendicular to the end face of the cement pile, that is, the abutting wheel 53 connected with the first elastic member 54 can move perpendicular to the end face of the cement pile, please refer to the drawings in the description Figure 1 In an embodiment of the present application, the cement pile is a special-shaped square pile (in a bamboo joint shape), the size of the cement pile corresponding to the abutting wheel 53 changes periodically with the progress of the pile pressing operation, when the size of the side wall of the cement pile abutting against the abutting wheel 53 decreases, the first elastic member 54 pushes the abutting wheel 53 to move to one side of the cement pile, so that the abutting wheel 53 is attached to the side wall of the cement pile, when the size of the cement pile increases again, the side wall of the cement pile abutting against the abutting wheel 53 compresses the first elastic member 54, by arranging the first elastic member 54, it is ensured that the guide device is always attached to the side wall of the cement pile when the size of the pile body changes, the guiding effect of the guide device is stable, in addition, when the cement pile is placed into the pile machine support 1, the abutting wheel 53 connected with the first elastic member 54 contacts the cement pile more softly, the collision between the cement pile and the abutting wheel 53 is avoided, so that the cement pile or the guide device is not damaged, in addition, the guide device of the present application can also guide the ordinary square pile.

[0036] Please refer to the attached drawings of the specification Figure 1 The pile pressing device comprises the guiding device, preferably four sets of guiding devices (not fully shown in the figure) are arranged at the end of the pile driver support 1, each adjacent guiding device is arranged vertically, and the abutting portions 5 of each guiding device are attached to each side wall of the cement pile. Through the four sets of guiding devices, the freedom of the cement pile in the horizontal direction is limited, and the guiding effect of the guiding device is ensured to be accurate. In addition, the pile pressing device further comprises two pile pressing oil cylinders 2, each pile pressing oil cylinder 2 is parallel to each other and arranged along the height direction of the pile driver support 1. The cement pile is placed inside the pile driver support 1, the guiding device is arranged at one end of the pile driver support 1, and the guiding device comprises a guiding rod 42 and the abutting portion 5. The guiding rod 42 is perpendicular to the pile pressing oil cylinder 2, and the guiding rod 42 is symmetrically arranged on both sides of the pile pressing oil cylinder 2. A first pile gripper 3 is slidably arranged inside the pile driver support 1, and the first pile gripper 3 is used to clamp and fix the cement pile. The end surface of the first pile gripper 3 is connected with the pile pressing oil cylinder 2. The pile pressing oil cylinder 2 drives the first pile gripper 3 to move towards the side close to the soil layer, and the first pile gripper 3 drives the cement pile to be inserted into the soil layer. Further, a second pile gripper 11 is arranged at the end of the pile driver support 1 away from the guiding device, and the second pile gripper 11 is fixed to the inside of the pile driver support 1. When the first pile gripper 3 inserts the cement pile into the soil layer, the second pile gripper 11 clamps the inserted cement pile, and the position of the cement pile is fixed to prevent the cement pile from floating due to the stress of the soil layer.

[0037] It should be noted that eight rolling wheels 8 are arranged on the two side end surfaces of the first pile gripper 3 along the height direction of the pile driver support 1, each rolling wheel 8 is arranged at the edge of the end surface, each rolling wheel 8 is attached to the two adjacent side walls inside the four columns 15, and each rolling wheel 8 is slidably arranged inside the pile driver support 1. In addition, four adjusting motors 9 are arranged on the side end surface of the first pile gripper 3 close to the guiding device. The adjusting plate 91 is connected to the feed shaft of each adjusting motor 9, the feed direction of the adjusting motor 9 is perpendicular to the side wall of the cement pile, and the adjusting motor 9 cooperates with the guiding device to ensure that the whole cement pile is in the preset position and the standard pile pressing angle, thereby ensuring the adjustment effect of the guiding device.

[0038] Please refer to the attached drawings of the specification Figure 3 The moving plate 10 is connected to the two sides of the pile driver support 1, and the moving wheels 101 are connected to the two ends of the moving plate 10. The moving wheels 101 cooperate with the guide rails 14 on the two sides of the pile driver support 1, so that the moving plate 10 can slide on the guide rails 14. The drive oil cylinder 17 is connected to one end of the moving plate 10, and the feed direction of the drive oil cylinder 17 is parallel to the moving plate 10. When the position of the pile driver deviates greatly from the target position, the drive oil cylinder 17 pushes and pulls the moving plate 10 to drive the whole pile driver to displace, thereby completing the position adjustment of the cement pile.

[0039] Please refer to the drawings in the description Figure 4 to the drawings Figure 6 At the end of the pile machine support 1 away from the guide device, a positioning device is arranged, which is specifically four (not fully shown in the figure), each positioning device is in abutment with each side wall of the cement column, and the positioning device comprises a positioning oil cylinder 20 and a positioning rod 12 located on both sides of the positioning oil cylinder 20 and parallel to the positioning oil cylinder 20, each positioning rod 12 is connected with a positioning wheel 13 through a mounting bracket 21, the side wall of the positioning wheel 13 is in close contact with the side wall of the cement column, and the positioning device is used for further determining the pile pressing position of the cement column, so as to ensure that the to-be-inserted cement column can be accurately butt-jointed with the inserted cement column, and further, a second elastic element 19 is arranged between the mounting bracket 21 and the positioning wheel 13, the deformation direction of the second elastic element 19 is perpendicular to the side wall of the cement column, so that the positioning wheel 13 can move perpendicular to the side wall of the cement column, and the positioning device can be applicable to positioning of irregular cement columns and ordinary square cement columns.

[0040] In some embodiments of the utility model, the cement column is put into from the end of the pile driver close to the first pile holder 3, the guide device limits the position of the cement column, the cement column is adjusted to the preset position along each guide device and extends into the first pile holder 3, the adjusting motor 9 on the first pile holder 3 adjusts the setting state of the other end of the cement column, the first pile holder 3 clamps and fixes the cement column after the guide of the cement column is completed, at this time, the pile pressing oil cylinder 2 works, the first pile holder 3 is pushed to the side close to the soil layer, the first pile holder 3 drives the cement column to move and inserts the cement column into the soil layer, at this time, the second pile holder 11 works, clamps the cement column inserted into the soil layer, since the second pile holder 11 is fixed in the pile machine support 1, the second pile holder 11 fixes the position of the cement column inserted into the soil layer, avoids the cement column inserted into the soil layer from floating, then, the pile pressing oil cylinder 2 drives the first pile holder 3 to restore the original position, so that the first pile holder 3 can continue to carry the cement column and continue the pile pressing work, the pile driver in the application is provided with the first pile holder 3 for pile pressing and the second pile holder 11 for preventing the cement column from floating, under the condition that the cement column does not float, the pile pressing work of multiple cement columns can be continuously carried out, which greatly improves the construction efficiency.

[0041] Preferably, the distance from the upper stop point of the movement of the first pile holder 3 to the second pile holder 11 is less than the length of the cement column, so that the cement column can be butt-jointed with the second pile holder 11 at any height, and the second pile holder 11 clamps the cement column, in addition, the fixed plate 16 connected with the column body 15 is provided with a reinforcing plate 18, the reinforcing plate 18 is in close contact with the side wall of the column body 15, and a fixing element is arranged between the reinforcing plate 18 and the column body 15, the fixing element connects each column body 15 with the fixed plate 16, and the reinforcing plate 18 ensures that the pile machine support 1 has sufficient strength.

[0042] It should be noted that the relative terms, such as first and second, are used herein solely to distinguish one entity from another entity, and do not necessarily require or imply any such actual relationship or order between such entities.

[0043] The principles and implementation modes of the present application are described herein by using specific examples, and the above example descriptions are only used to help understand the method and core idea of the present application. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the present application without departing from the principles of the present application, and these improvements and modifications also fall within the protection scope of the present application.

Claims

1. A guide device, characterized in that Include: Pile machine support (1), the inside of the pile machine support (1) is used for placing cement pile; Driving part (4), the driving part (4) is arranged perpendicularly to the cement pile in the feeding direction, one end of the driving part (4) is connected with abutting part (5), the abutting part (5) abuts the side wall of the cement pile, and the abutting part (5) is used for locking the displacement of the cement pile in the horizontal direction.

2. The guide device of claim 1, wherein, The driving part (4) includes: guide oil cylinder (41), which is used for pushing the abutting part (5), the guide oil cylinder (41) is symmetrically provided with two parallel guide rods (42) on both sides, each guide rod (42) is provided with a transmission plate (43) at one end away from the cement pile, the transmission plate (43) is connected with the guide oil cylinder (41), each guide rod (42) is connected with the abutting part (5) at one end away from the transmission plate (43), the guide oil cylinder (41) pushes and pulls the guide rod (42), so that the guide rod (42) drives the abutting part (5) to abut the side wall of the cement pile.

3. The guide device of claim 2, wherein, The abutting part (5) includes an abutting plate (51) perpendicular to the guide rod (42), the end of each guide rod (42) is provided in the two ends of the abutting plate (51), and the end of the guide rod (42) is provided with a fixed nut, the fixed nut is fixedly connected with the abutting plate (51) and the guide rod (42), the abutting plate (51) is provided with two mutually parallel wing plates (52) on the two side walls along the height direction of the pile machine support (1), two wing plates (52) clamping rotatable abutting wheel (53), the side wall of the abutting wheel (53) is matched with the side wall of the cement pile, and the abutting wheel (53) rotates in the process of pressing the cement pile.

4. The guide of claim 3, wherein, The rotating shafts on both sides of the abutting wheel (53) are provided in the wing plates (52), and the first elastic member (54) is arranged between the wing plates (52) and the rotating shafts, the first elastic member (54) is located in the wing plates (52) and the deformation direction is perpendicular to the side wall of the cement pile, so that the abutting wheel (53) can move perpendicular to the side wall of the cement pile.

5. The guide of claim 4, wherein, The pile machine support (1) includes four mutually parallel columns (15), each column (15) is connected by a fixed plate (16), and the end of the pile machine support (1) is provided with two parallel connecting plates (6), the guide oil cylinder (41) and the guide rod (42) are fixed on the connecting plate (6) through the mounting plate (7).

6. The guide of claim 5, wherein, The guide device is provided with four groups at one end of the pile machine support (1), adjacent guide devices are perpendicular to each other, each abutting portion (5) is attached to each side wall of the cement pile, four positioning devices are provided at one end of the pile machine support (1) away from the connecting plate (6), the positioning device comprises a positioning oil cylinder (20), positioning rods (12) are provided in parallel on both sides of the positioning oil cylinder (20), the positioning rods (12) are connected with the positioning oil cylinder (20) and positioning wheels (13) through mounting racks (21), and a second elastic member (19) is arranged between the positioning wheels (13) and the mounting racks (21), and the positioning wheels (13) can move in a direction perpendicular to the side wall of the cement pile.

7. A pile pressing apparatus characterized by comprising: The guide device of any one of claims 5-6, further comprising: Two pile pressing oil cylinders (2) are provided on each connecting plate (6), and each pile pressing oil cylinder (2) is arranged in parallel with the pile machine support (1); A first pile gripper (3) is slidably arranged in the pile machine support (1) and connected with the pile pressing oil cylinder (2), and the first pile gripper (3) clamps the cement pile; A second pile gripper (11) is fixed to one end of the pile machine support (1) away from the guide oil cylinder (41), and the second pile gripper (11) locks the position of the cement pile.

8. The pile driving apparatus of claim 7, wherein, The first pile gripper (3) is provided with a plurality of rolling wheels (8) along the two end edges in the height direction of the pile machine support (1), each rolling wheel (8) is attached to the two adjacent side walls of the column (15), four adjusting motors (9) are arranged on one side end face of the first pile gripper (3) close to the connecting plate (6), each adjusting motor (9) is connected with an adjusting plate (91), and each adjusting plate (91) is attached to each side wall of the cement pile, and the second pile gripper (11) is provided with four adjusting motors (9) on one side end face close to the connecting plate (6).

9. The pile driving apparatus of claim 8, wherein, The pile machine support (1) is further provided with a moving plate (10) on both sides, the moving plate (10) cooperates with guide rails (14) outside the pile machine support (1), a drive oil cylinder (17) is arranged on one side of the moving plate (10), the drive oil cylinder (17) pushes and pulls the moving plate (10), so that the pile machine support (1) drives the cement pile to move.

10. A pile driver, characterized in that The pile pressing device of any one of claims 7-9.

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