CN115492106B

CN115492106B - Pile driver for constructional engineering

Info

Publication number: CN115492106B
Application number: CN202211256221.6A
Authority: CN
Inventors: 杨超; 黄佳; 朱从香; 顾维扬; 黄宏; 许开成; 张军; 李晨; 竺明星; 朱小军
Original assignee: Yangzhou Polytechnic Institute
Current assignee: Yangzhou Polytechnic Institute
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-05-05
Anticipated expiration: 2042-10-13
Also published as: CN115492106A

Abstract

The invention discloses a pile driver for constructional engineering, which comprises a moving mechanism, wherein the moving mechanism comprises a supporting bottom plate, four universal wheels arranged at the bottom end of the supporting bottom plate, and vertical plates erected on the side edges of the supporting bottom plate, and supporting plates are respectively arranged at two ends of the side edges of the supporting bottom plate; the hammering mechanism comprises a pendulum bob component, a supporting frame, a rotation adjusting component, a heavy hammer, a tubular pile and a pulley, wherein the supporting frame is rotationally connected with the rear end of the middle part of the pendulum bob component, the rotation adjusting component is rotationally connected with one end of the pendulum bob component, the pulley is arranged at the top end of the vertical plate, the pendulum bob component is connected with the heavy hammer through a steel rope, and the steel rope bypasses the pulley; the dust removing mechanism comprises a power transmission component, a dust collection box and dust collection components, wherein the power transmission component is arranged on two sides of the front end of the vertical plate, the dust collection components are arranged in the dust collection box, and the dust collection box is arranged at the upper end of the supporting plate; the invention improves the piling efficiency of the drop hammer type pile driver and has the ash removal function.

Description

Pile driver for constructional engineering

Technical Field

The invention relates to the technical field of constructional engineering equipment, in particular to a pile driver for constructional engineering.

Background

The construction machine is a general term of mechanical equipment used for engineering construction and urban and rural construction, and is composed of a plurality of machines such as excavating machines, soil shoveling and transporting machines, compacting machines, engineering lifting machines, piling machines, pavement machines, concrete product machines, reinforcement-level prestressed machines, decoration machines, high-altitude operation machines and the like. With the development of the building industry, the mechanization degree of building construction is improved year by year.

The traditional pile driver has the problems that the manufacturing cost is high, the efficiency is low and the like can not meet the requirements of the modern times on quick construction, in the construction process of the building engineering, piling machinery and dust removing machinery are independent individuals, in the same construction field process, cross action is needed, so that equipment enters more, the occupied space is occupied, the construction cost is high, the efficiency is low, and in the mechanical operation process, the construction is carried out by continuously changing the position of an operation vehicle body, so that the construction is troublesome. For this purpose we propose a pile driver for construction engineering.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: when the pile driver works, dust can be raised on the ground, the dust can influence the working environment of the construction site and influence the surrounding environment, the traditional pile driver is low in efficiency, and the winding machine must completely put the steel rope out and shrink the steel rope again each time according to a program, so that the hammering efficiency is low.

In order to solve the technical problems, the invention provides the following technical scheme: the pile driver for the construction engineering comprises a moving mechanism, wherein the moving mechanism comprises a supporting bottom plate, four universal wheels arranged at the bottom end of the supporting bottom plate, and vertical plates erected on the side edges of the supporting bottom plate, and supporting plates are respectively arranged at two ends of the side edges of the supporting bottom plate; the hammering mechanism comprises a pendulum bob component, a supporting frame, a rotation adjusting component, a heavy hammer, a tubular pile and a pulley, wherein the supporting frame is rotationally connected with the rear end of the middle part of the pendulum bob component, the rotation adjusting component is rotationally connected with one end of the pendulum bob component, the pulley is arranged at the top end of the vertical plate, the pendulum bob component is connected with the heavy hammer through a steel rope, and the steel rope bypasses the pulley; and the dust removing mechanism comprises a power transmission component, a dust collection box and a dust collection component, wherein the power transmission component is arranged on two sides of the front end of the vertical plate, the dust collection component is arranged in the dust collection box, and the dust collection box is arranged at the upper end of the supporting plate.

As a preferable mode of the pile driver for construction engineering according to the present invention, wherein: the pendulum assembly comprises a long rod and a hammer-shaped block which are fixedly connected, and a rope groove is formed in the top end of the hammer-shaped block.

As a preferable mode of the pile driver for construction engineering according to the present invention, wherein: the rotation adjusting assembly comprises two supporting tables arranged at the upper end of the supporting bottom plate, first rotation holes are formed in the upper parts of the two supporting tables, the first rotation holes are rotationally connected with a cylinder, second rotation holes are formed in the lower parts of the end faces of the cylinder, and rotation shafts are rotationally connected with the second rotation holes.

As a preferable mode of the pile driver for construction engineering according to the present invention, wherein: two opposite one sides of axis of rotation are provided with the rotating plate, two the one end of axis of rotation respectively with the one end fixed link to each other of rotating plate, the other end of rotating plate is connected with the spliced pole, the spliced pole is rotated with the one end of lifting rod and is connected, the other end of lifting rod with the one end rotation of stock is connected.

As a preferable mode of the pile driver for construction engineering according to the present invention, wherein: one of the two rotating shafts is in transmission connection with the output end of a first rotating motor, and the first rotating motor is fixed at the bottom end of the mounting plate arranged on the end face of the cylinder.

As a preferable mode of the pile driver for construction engineering according to the present invention, wherein: the cylinder is close to the one end bottom of rotating plate and is fixed with the regulating plate, two be connected with the connecting rod between the regulating plate, the connecting rod rotates with the arc and is connected one side of brace table is provided with two regulating tables, two it is connected with the adjusting column to rotate between the regulating table, the adjusting column middle part is provided with the connecting plate, the connecting plate with the arc rotates to be connected, the one end of adjusting the column is connected with the output transmission of second rotation motor.

As a preferable mode of the pile driver for construction engineering according to the present invention, wherein: the power transmission assembly comprises two gears which are rotationally connected to the upper end and the lower end of the vertical plate, a chain is connected between the two gears, and a plurality of first ratchets are arranged on the outer surface of the chain at equal intervals.

As a preferable mode of the pile driver for construction engineering according to the present invention, wherein: the vertical rod is erected on the supporting plate, the limiting plates are arranged on two sides of the heavy hammer and penetrate through the through holes, the transmission box is arranged on the side edge of the limiting plates, the straight plate is placed in the transmission box, a plurality of second ratchets opposite to the first ratchets in direction are arranged on one side of the end face of the straight plate, and the other side of the end face of the straight plate is fixedly connected with the inner wall of the transmission box through a spring.

As a preferable mode of the pile driver for construction engineering according to the present invention, wherein: the dust collection assembly comprises a first rotating rod, the first rotating rod is connected with the end face of the front end of the gear at the lower end of the vertical plate, the first rotating rod extends into the dust collection box, a first bevel gear is arranged at one end of the first rotating rod, a support frame is arranged in the dust collection box, the support frame is rotationally connected with a second rotating rod, a second bevel gear is arranged at one end of the second rotating rod, and the second bevel gear is meshed with the first bevel gear.

As a preferable mode of the pile driver for construction engineering according to the present invention, wherein: the other end of the second rotating rod is provided with a plurality of fan blades, and front and rear side walls of the dust collection box corresponding to the fan blades are respectively provided with an opening and a filter screen.

The invention has the beneficial effects that: (1) When the traditional drop hammer type pile driver is used for hammering the tubular pile, the working efficiency of the pile driver is low, and a winch for pulling up a heavy hammer must completely put down the steel rope and shrink the steel rope according to a program every time, so that the hammering efficiency is low; (2) When the pile driver works, dust can be raised on the ground, the dust can influence the working environment of the construction site, the surrounding environment is influenced, if dust removal operation is carried out by a dust removal machine, the construction cost is increased, and the space is occupied.

Drawings

Fig. 1 is a schematic view of the overall structure of a pile driver for construction engineering.

Fig. 2 is a rear side view of a pile driver for construction work.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is a schematic structural view of a rotary adjustment assembly in a pile driver for construction.

Figure 5 is an elevation view of the construction pile driver with the dust extraction assembly and the dust extraction box removed.

Fig. 6 is a schematic view of the internal structure of the driving box in the pile driver for construction engineering.

Fig. 7 is a schematic view of the construction of the dust extraction assembly of the pile driver for construction.

In the figure: 100. a moving mechanism; 101. a supporting base plate, 102 and universal wheels; 103. a vertical plate; 104. a support plate; 200. a beating mechanism; 201. a pendulum assembly; 201a, a long rod; 201b, hammer blocks; 201b-1, rope grooves; 202. a support frame; 203. a rotation adjustment assembly; 203a, a support table; 203a-1, a first rotation hole; 203b, a cylinder; 203b-1, a second rotation hole; 203b-2, a mounting plate; 203c, a rotating shaft; 203d, a rotating plate; 203e, connecting columns; 203f, lifting a pull rod; 203g, a first rotating motor; 203h, adjusting the plate; 203h-1, a connecting rod; 203i, arc plates; 203j, an adjusting table; 203j-1, a conditioning column; 203j-2, a connection plate; 203k, a second rotating motor; 204. a heavy hammer; 204a, a limiting plate; 204b, a transmission box, 204b-1 and a straight plate; 204b-2, a second ratchet; 204b-3, springs; 205. a tubular pile; 206. a pulley; 207. a steel rope; 208. a vertical rod; 300. a dust removing mechanism; 301. a power transmission assembly; 301a, gears; 301b, a chain; 301c, a first ratchet; 302. a dust collection box; 303. a dust collection assembly; 303a, a first rotating lever; 303b, a first bevel gear; 303c, a second rotating lever; 303d, a second bevel gear; 303e, fan blades.

Detailed Description

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

Example 1

Referring to fig. 1 to 4, a first embodiment of the present invention provides a pile driver for construction including a moving mechanism 100, a hammering mechanism 200, and a dust removing mechanism 300, wherein the hammering mechanism 200 provides power to the dust removing mechanism 300 while improving efficiency, so that the dust removing mechanism 300 operates normally.

Specifically, the moving mechanism 100 includes a supporting base plate 101, four universal wheels 102 arranged at the bottom end of the supporting base plate 101, and a vertical plate 103 erected at the side edge of the supporting base plate 101, and supporting plates 104 are respectively arranged at two ends of the side edge of the supporting base plate 101; the entire device is easily moved by the four universal wheels 102.

Preferably, the beating mechanism 200 comprises a pendulum assembly 201, a support frame 202, a rotation adjusting assembly 203, a heavy hammer 204, a tubular pile 205 and a pulley 206, wherein the support frame 202 is rotationally connected with the rear end of the middle part of the pendulum assembly 201, the rotation adjusting assembly 203 is rotationally connected with one end of the pendulum assembly 201, the pulley 206 is arranged at the top end of the vertical plate 103, the pendulum assembly 201 is connected with the heavy hammer 204 through a steel rope 207, and the steel rope 207 bypasses the pulley 206; the pendulum assembly 201 is driven to rotate by the rotation adjusting assembly 203, the weight 204 is pulled up through the steel rope 207 when the pendulum assembly rotates upwards, and the weight 204 is put down when the pendulum assembly rotates downwards, so that the weight 204 is hit on the pipe pile 205.

Preferably, the dust removing mechanism 300 comprises a power transmission assembly 301, a dust collection box 302 and a dust collection assembly 303, wherein the power transmission assembly 301 is arranged at two sides of the front end of the vertical plate 103, the dust collection assembly 303 is arranged in the dust collection box 302, and the dust collection box 302 is arranged at the upper end of the support plate 104; when the weight 204 falls, the power transmission assembly 301 is driven, so that the dust collection assembly 303 starts to perform dust collection operation.

Preferably, the pendulum assembly 201 comprises a long rod 201a and a hammer-shaped block 201b which are fixedly connected, and a rope groove 201b-1 is formed in the top end of the hammer-shaped block 201 b; steel cord 207 may be placed in cord groove 201b-1 to prevent slipping of steel cord 207.

Preferably, the rotation adjusting assembly 203 comprises two supporting tables 203a arranged at the upper end of the supporting bottom plate 101, a first rotation hole 203a-1 is formed in the upper portion of each supporting table 203a, a cylinder 203b is rotatably connected to the first rotation hole 203a-1, a second rotation hole 203b-1 is formed in the lower portion of the end face of the cylinder 203b, and a rotation shaft 203c is rotatably connected to the second rotation hole 203 b-1.

Preferably, a rotating plate 203d is disposed on the opposite side of the two rotating shafts 203c, one end of the two rotating shafts 203c is fixedly connected with one end of the rotating plate 203d, the other end of the rotating plate 203d is connected with a connecting post 203e, the connecting post 203e is rotatably connected with one end of a lifting rod 203f, and the other end of the lifting rod 203f is rotatably connected with one end of a long rod 201 a.

When one of the two rotating shafts 203c rotates, the rotating plate 203d can be driven to rotate, and since the connecting post 203e between the two rotating plates 203d is rotationally connected with the lifting rod 203f, when the two rotating plates 203d rotate, the lifting rod 203f can be driven to reciprocate up and down, and then the lifting rod 203f drives the pendulum assembly 201 to swing up and down.

Preferably, one of the two rotating shafts 203c is in driving connection with the output end of the first rotating motor 203g, and the first rotating motor 203g is fixed to the bottom end of the mounting plate 203b-2 provided on the end face of the cylinder 203 b.

One of the two rotation shafts 203c is powered by a first rotation motor 203 g.

Preferably, an adjusting plate 203h is fixed at the bottom of one end of the cylinder 203b, which is close to the rotating plate 203d, a connecting rod 203h-1 is connected between the two adjusting plates 203h, the connecting rod 203h-1 is rotationally connected with the arc plate 203i, two adjusting tables 203j are arranged on one side of the supporting table 203a, an adjusting column 203j-1 is rotationally connected between the two adjusting tables 203j, a connecting plate 203j-2 is arranged in the middle of the adjusting column 203j-1, the connecting plate 203j-2 is rotationally connected with the arc plate 203i, and one end of the adjusting column 203j-1 is in transmission connection with the output end of the second rotating motor 203 k.

The second rotating motor 203k drives the adjusting column 203j-1 to slowly rotate, the specific rotating speed can be controlled manually, the adjusting column 203j-1 pulls the arc-shaped plate 203i to rotate through the connecting plate 203j-2, the arc-shaped plate 203i drives the cylinder 203b to rotate in the first rotating hole 203a-1 through the adjusting plate 203h, the second rotating hole 203b-1 at the lower part of the end surface of the cylinder 203b is transferred to a position which is leveled with the circle center of the cylinder 203b along with the rotation of the rotating shaft 203c, and at the moment, the vertical swinging amplitude of the pendulum assembly 201 is kept unchanged along with the rotation of the rotating shaft 203c, and meanwhile the height of the pendulum assembly 201 is reduced.

When in use, when the piling operation is just started, the first rotating motor 203g is started to provide power, the just started hammer 204 only carries out small-range up-and-down motion on the upper part to smash the pipe pile 205, the stroke of the hammer 204 which needs to carry out up-and-down motion is longer and longer along with the pipe pile which is slowly smashed into soil, at the moment, the second rotating motor 203k is started, the second rotating motor 203k drives the adjusting column 203j-1 to slowly rotate, the specific rotating speed can be controlled manually, the adjusting column 203j-1 pulls the arc-shaped plate 203i to rotate through the connecting plate 203j-2, the arc-shaped plate 203i drives the cylinder 203b to rotate in the first rotating hole 203a-1 through the adjusting plate 203h, the second rotating hole 203b-1 on the lower part of the end surface of the cylinder 203b is transferred to a position which is leveled with the circle center of the cylinder 203b along with the rotation of the cylinder 203b, at this time, along with the rotation of the rotation shaft 203c, the vertical swing amplitude of the pendulum assembly 201 is kept unchanged, meanwhile, the height of the pendulum assembly 201 is reduced, a steel rope 207 with a certain length is naturally added, the weight 204 can extend downwards, the pipe pile 205 is continuously hit at the height within a fixed range, the height within the fixed range is the outer circle Zhou Huchang of the hammer-shaped block 201b, compared with the traditional drop hammer pile driver, the pile driver can hit the pipe pile 205 along with the fact that the pipe pile 205 is hit and sunk, meanwhile, the weight 204 is always kept at the height within the fixed range, the hit efficiency is improved, the phenomenon that the traditional pile driver has to put a line with a certain length in the beginning of piling and then wind the line is avoided, and the pile driving efficiency is greatly improved.

Example 2

Referring to fig. 1 to 7, a second embodiment of the present invention is based on the previous embodiment, which differs from the previous embodiment in that.

Specifically, the power transmission assembly 301 includes two gears 301a rotatably connected to the upper and lower ends of the riser 103, a chain 301b is connected between the two gears 301a, and a plurality of first ratchet teeth 301c are disposed on the outer surface of the chain 301b at equal intervals.

Preferably, vertical rods 208 are erected on the support plate 104, limiting plates 204a are arranged on two sides of the heavy punch 204, through holes are formed in the limiting plates 204a, the vertical rods 208 penetrate through the through holes, a transmission box 204b is arranged on the side edge of the limiting plates 204a, a straight plate 204b-1 is placed in the transmission box 204b, a plurality of second ratchets 204b-2 opposite to the first ratchets 301c in direction are arranged on one side of the end face of the straight plate 204b-1, and the other side of the end face of the straight plate 204b-1 is fixedly connected with the inner wall of the transmission box 204b through springs 204 b-3.

When the heavy hammer 204 falls, the vertical rod 208 plays a limiting role, so that the pipe pile 205 cannot be inclined when the heavy hammer 204 hits the pipe pile 205, when the heavy hammer 204 falls, the transmission box 204b at the side edge of the limiting plate 204a is meshed with the first ratchet 301c under the action of the spring 204b-3 under the action of the second ratchet 204b-2 at the end face of the straight plate 204b-1, and further the chain 301b is driven to rotate, and the chain 301b drives the gear 301a to rotate.

Preferably, the dust collection assembly 303 comprises a first rotating rod 303a, the first rotating rod 303a is connected with the front end face of the gear 301a at the lower end of the vertical plate 103, the first rotating rod 303a extends into the dust collection box 302, a first bevel gear 303b is arranged at one end of the first rotating rod 303a, a supporting frame 302a is arranged in the dust collection box 302, the supporting frame 302a is rotatably connected with a second rotating rod 303c, a second bevel gear 303d is arranged at one end of the second rotating rod 303c, and the second bevel gear 303d is meshed with the first bevel gear 303 b.

The gear 301a rotates to drive the first rotating lever 303a, and the second bevel gear 303d on the second rotating lever 303c is meshed with the first bevel gear 303b, so that the second rotating lever 303c can be driven to rotate.

Preferably, the other end of the second rotating rod 303c is provided with a plurality of fan blades 303e, and front and rear side walls of the dust collection box 302 corresponding to the plurality of fan blades 303e are respectively provided with an opening 302b and a filter screen 302c.

The rotation of the second rotating rod 303c drives the plurality of blades 303e to rotate, and the rotating plurality of blades 303e absorb dust near the pipe pile 205 and then filter the dust through the filter screen 302c.

When in use, when the piling operation is just started, the first rotating motor 203g is started to provide power, the just started heavy hammer 204 only carries out small-range up-down motion on the upper part to smash the tubular pile 205, the stroke of the heavy hammer 204 which needs to carry out up-down motion is longer and longer along with the tubular pile being slowly smashed into soil, at the moment, the second rotating motor 203k is started, the second rotating motor 203k drives the adjusting column 203j-1 to slowly rotate, the specific rotating speed can be controlled manually, the adjusting column 203j-1 pulls the arc-shaped plate 203i to rotate through the connecting plate 203j-2, the arc-shaped plate 203i drives the cylinder 203b to rotate in the first rotating hole 203a-1 through the adjusting plate 203h, along with the rotation of the cylinder 203b, the second rotating hole 203b-1 on the lower part of the end surface of the cylinder 203b is transferred to a position which is leveled with the circle center of the cylinder 203b, at the moment, along with the rotation of the rotating shaft 203c, the invention reduces the height of the pendulum assembly 201 while maintaining the vertical swing amplitude of the pendulum assembly 201 unchanged, naturally increases the height of the pendulum assembly 201 by a certain length of steel rope 207, so that the heavy hammer 204 can extend downwards to continuously hit the tubular pile 205 at the height within a fixed range, and the height within the fixed range is the outer circle Zhou Huchang of the hammer-shaped block 201b, compared with the traditional drop hammer pile driver, the invention can hit the tubular pile 205 with the height of the heavy hammer 204 always kept within the fixed range while the tubular pile 205 is hit down, improves the hit efficiency, avoids the traditional pile driver from putting a certain length of line and winding the line according to a program at the beginning of piling, greatly improves the pile efficiency, when the heavy hammer 204 falls down, the vertical rod 208 plays a limiting role, so that the tubular pile 205 cannot be inclined when the heavy hammer 204 hits the tubular pile 205, when the weight 204 falls, the driving box 204b at the side of the limiting plate 204a is meshed with the first ratchet 301c under the action of the spring 204b-3 by the second ratchet 204b-2 at the end face of the straight plate 204b-1 when the weight 204 falls, and then drives the chain 301b to rotate, the chain 301b drives the gear 301a to rotate, and when the gear 301a rotates, the first rotating rod 303a is driven to rotate, and as the second bevel gear 303d on the second rotating rod 303c is meshed with the first bevel gear 303b, the second rotating rod 303c can be driven to rotate, the rotation of the second rotating rod 303c drives the plurality of fan blades 303e to rotate, the rotating plurality of fan blades 303e absorb dust near the pipe pile 205 and then filter the dust through the filter screen 302c, and when the weight 204 moves upwards, the second ratchet 204b-2 compresses the spring 204b-3 in the driving box 204b until the weight 204b is driven to rotate again when the weight 204 continues to move downwards.

It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.

Claims

1. A pile driver for construction engineering, characterized in that: comprising

The mobile mechanism (100), the mobile mechanism (100) comprises a supporting bottom plate (101), four universal wheels (102) arranged at the bottom end of the supporting bottom plate (101), and vertical plates (103) erected on the side edges of the supporting bottom plate (101), and supporting plates (104) are respectively arranged at two ends of the side edges of the supporting bottom plate (101);

the hammering mechanism (200), the hammering mechanism (200) comprises a pendulum assembly (201), a support frame (202), a rotation adjusting assembly (203), a heavy hammer (204), a tubular pile (205) and a pulley (206), wherein the support frame (202) is rotationally connected with the rear end of the middle part of the pendulum assembly (201), the rotation adjusting assembly (203) is rotationally connected with one end of the pendulum assembly (201), the pulley (206) is arranged at the top end of the vertical plate (103), the pendulum assembly (201) is connected with the heavy hammer (204) through a steel rope (207), and the steel rope (207) bypasses the pulley (206); the method comprises the steps of,

the dust removing mechanism (300), the dust removing mechanism (300) comprises a power transmission assembly (301), a dust collection box (302) and a dust collection assembly (303), the power transmission assembly (301) is arranged on two sides of the front end of the vertical plate (103), the dust collection assembly (303) is arranged in the dust collection box (302), and the dust collection box (302) is arranged at the upper end of the supporting plate (104);

the pendulum assembly (201) comprises a long rod (201 a) and a hammer-shaped block (201 b) which are fixedly connected, and a rope groove (201 b-1) is formed in the top end of the hammer-shaped block (201 b);

the rotation adjusting assembly (203) comprises two supporting tables (203 a) arranged at the upper end of the supporting bottom plate (101), first rotation holes (203 a-1) are formed in the upper parts of the two supporting tables (203 a), cylinders (203 b) are rotationally connected to the first rotation holes (203 a-1), second rotation holes (203 b-1) are formed in the lower portions of the end faces of the cylinders (203 b), rotating shafts (203 c) are rotationally connected to the second rotation holes (203 b-1), rotating plates (203 d) are arranged on one side, opposite to the rotating shafts (203 c), of the two rotating shafts (203 c) are fixedly connected with one end of each rotating plate (203 d), connecting columns (203 e) are connected to the other end of each rotating plate (203 d), the other ends of the connecting columns (203 e) are rotationally connected with one end of each lifting rod (203 f), rotating shafts (203 c) are rotationally connected with one end of each long rod (201 a), one end of the rotating plates (203 c) is fixedly connected to one end of each rotating plate (203 b), one end, close to one end of the rotating plates (203 g) is fixedly connected to the bottom end of one end (203 g) of each rotating plate (203 h), connecting rods (203 h-1) are connected between the two adjusting plates (203 h), the connecting rods (203 h-1) are rotationally connected with the arc-shaped plates (203 i), two adjusting tables (203 j) are arranged on one side of the supporting table (203 a), adjusting columns (203 j-1) are rotationally connected between the two adjusting tables (203 j), connecting plates (203 j-2) are arranged in the middle of the adjusting columns (203 j-1), the connecting plates (203 j-2) are rotationally connected with the arc-shaped plates (203 i), and one ends of the adjusting columns (203 j-1) are in transmission connection with the output ends of a second rotating motor (203 k).

2. A pile driver for construction work according to claim 1, characterised in that: the power transmission assembly (301) comprises two gears (301 a) rotatably connected to the upper end and the lower end of the vertical plate (103), a chain (301 b) is connected between the two gears (301 a), and a plurality of first ratchets (301 c) are arranged on the outer surface of the chain (301 b) at equal intervals.

3. A pile driver for construction work according to claim 2, characterised in that: upright post (208) are erect on backup pad (104), the both sides of weight (204) are provided with limiting plate (204 a), limiting plate (204 a) are provided with the through-hole, montant (208) run through the through-hole, limiting plate (204 a) side is provided with transmission box (204 b), straight board (204 b-1) have been placed in transmission box (204 b), the terminal surface one side of straight board (204 b-1) be provided with a plurality of second ratchet (204 b-2) opposite in first ratchet (301 c) direction, the terminal surface opposite side of straight board (204 b-1) pass through spring (204 b-3) with transmission box (204 b) inner wall fixed connection.

4. A pile driver for construction work according to claim 2, characterised in that: the dust collection assembly (303) comprises a first rotating rod (303 a), the first rotating rod (303 a) is connected with the front end face of a gear (301 a) at the lower end of the vertical plate (103), the first rotating rod (303 a) extends into the dust collection box (302), a first bevel gear (303 b) is arranged at one end of the first rotating rod (303 a), a support frame (302 a) is arranged in the dust collection box (302), the support frame (302 a) is connected with a second rotating rod (303 c) in a rotating mode, a second bevel gear (303 d) is arranged at one end of the second rotating rod (303 c), and the second bevel gear (303 d) is meshed with the first bevel gear (303 b) mutually.

5. A pile driver for construction work according to claim 4, wherein: the other end of the second rotating rod (303 c) is provided with a plurality of fan blades (303 e), and front and rear side walls of the dust collection box (302) corresponding to the fan blades (303 e) are respectively provided with an opening (302 b) and a filter screen (302 c).