CN113174949A

CN113174949A - Effectual pile device that is used for bridge construction

Info

Publication number: CN113174949A
Application number: CN202110387007.3A
Authority: CN
Inventors: 张宏亮
Original assignee: Nanjing Anterlu New Energy Technology Development Co ltd
Current assignee: Nanjing Anterlu New Energy Technology Development Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-07-27

Abstract

The invention relates to an effective pile driving device for bridge construction, which comprises a base, a fixed rod, a moving mechanism and a pile driving mechanism, wherein the fixed rod is arranged at one end of the base, the moving mechanisms are arranged on the base, the pile driving mechanism is arranged on the moving mechanism, the effective pile driving device for bridge construction realizes the movement of the pile driving mechanism through the moving mechanism, and pile driving is realized through the pile driving mechanism, compared with the existing pile driving device, the device realizes the operation of the moving mechanism and the pile driving mechanism through one output end, saves energy, simultaneously adopts linkage of the moving mechanism and the pile driving mechanism, realizes the moving knocking of a weight, adopts a pure mechanical structure, improves the stability and the service life of the pile driving device, improves the practicability, compared with the existing pile driving mechanism, the mechanism can rights a pile column through a clamping assembly, thereby realizing better piling effect.

Description

Effectual pile device that is used for bridge construction

Technical Field

The invention relates to a good-effect piling device for bridge construction.

Background

The pile driving device is a device for driving piles into the ground, the existing pile driving device is provided with a pile driver and the like and comprises a pile hammer, a pile frame, auxiliary equipment and the like, the pile hammer is attached between two parallel vertical guide rods at the front part of the pile frame and is hoisted by a hoisting hook, the pile frame is a steel structure tower frame, a winch is arranged at the rear part of the pile frame and is used for hoisting the piles and the pile hammer, and a guide frame consisting of two guide rods is arranged in the front of the pile frame and is used for controlling the pile driving direction so that the piles can accurately penetrate into the ground according to the designed direction.

The removal of current pile hammer with strike and generally need a plurality of output to drive to the device of driving, energy resource consumption is great, to the removal of pile hammer with strike and generally adopt the controller to control simultaneously, adopt this kind of electronic equipment stability not enough, life is lower.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the pile driving device for bridge construction is good in effect.

The technical scheme adopted by the invention for solving the technical problems is as follows: the pile driving device for bridge construction comprises a base, a fixed rod, moving mechanisms and a pile driving mechanism, wherein the fixed rod is arranged at one end of the base, the moving mechanisms are arranged on the base, and the pile driving mechanism is arranged on the moving mechanisms;

the moving mechanism comprises a motor, rotating wheels, a moving rod and a screw rod, the screw rod is arranged on the base, the moving rod is sleeved on the screw rod and is in threaded connection with the screw rod, a sliding groove is formed in the fixed rod, one end of the moving rod is located in the sliding groove, the moving rod is in sliding connection with the sliding groove, the motor is vertically arranged on the base upwards, the number of the rotating wheels is two, one rotating wheel is arranged on the motor, the other rotating wheel is sleeved on the screw rod, the rotating wheels are in key connection with the screw rod, and the two rotating wheels are in transmission connection through a belt;

the pile driving mechanism comprises a knocking component, a clamping component and a rotating component, the knocking component comprises a weight and a limiting unit, the limiting unit comprises a limiting rod, a limiting block and a first spring, the weight is arranged below the moving rod, the limiting rod is arranged on the weight, the limiting rod penetrates through the moving rod, the limiting rod is in sliding connection with the moving rod, the limiting block is arranged at one end, far away from the weight, of the limiting rod, the limiting block abuts against the moving rod, the first spring sleeve is arranged on the limiting rod, the first spring is arranged between the weight and the moving rod, one end of the first spring is connected with the weight, the other end of the first spring is connected with the moving rod, the first spring is in a compression state, the clamping component comprises two clamping units, the two clamping units are respectively arranged on two sides of the weight, the clamping unit comprises a positioning rod, The positioning rod is arranged on the moving rod, the push rod penetrates through the positioning rod, the push rod is connected with the positioning rod in a sliding mode, the clamping block is arranged at one end of the push rod, the two clamping blocks of the two clamping units are arranged just opposite to each other, the cross sections of the clamping blocks are arc-shaped, the circle centers of the arc-shaped cross sections of the two clamping blocks are overlapped, the second spring is sleeved on the push rod and is located between the positioning rod and the clamping block, one end of the second spring is connected with the positioning rod, the other end of the second spring is connected with the clamping blocks, the second spring is in a compressed state, the rotating assembly comprises a rotating rod, a rotating pipe, a rotating block, a gear wheel, a pinion, a first bevel gear, a second bevel gear, a rotating shaft, a connecting wheel, a pull rod, a fixed shaft, a half gear and a rack, the rotating rod is arranged on the base, the rotating pipe is arranged on the moving rod, the bull stick stretches into the bull stick, bull stick and bull stick sliding connection, the commentaries on classics piece sets up the one end that is located the bull stick at the bull stick, be equipped with the bar groove in the bull stick, the commentaries on classics piece is located the bar inslot, commentaries on classics piece and bar groove sliding connection, the gear wheel cover is established on the lead screw, gear wheel and lead screw key-type connection, the pinion cover is established on the bull stick, the pinion is connected with the bull stick key-type connection, pinion and gear engagement, first bevel gear cover is established on the bull stick, first bevel gear and bull stick key-type connection, the pivot sets up on the carriage release lever, second bevel gear cover is established on the pivot, second bevel gear and pivot key-type connection, second bevel gear and first bevel gear meshing, the pull rod sets up on the pouring weight, the pull rod passes the carriage release lever, pull rod and carriage release lever sliding connection, the rack sets up on the carriage release lever, the fixed axle sets up the one side at the rack, half gear cover is established on the fixed axle, half gear and fixed axle key-type connection, half gear and rack toothing, the fifth wheel has two, and two fifth wheels are established respectively on pivot and fixed axle, and two fifth wheels are connected with pivot and fixed axle key-type connection respectively, and two fifth wheels pass through belt transmission and are connected.

In order to carry out better spacing to the removal of bull stick, the commentaries on classics piece has two, and two commentaries on classics pieces set up the both sides at the bull stick respectively, the bar groove has two, and two commentaries on classics pieces are located two bar inslots respectively.

In order to better limit the movement of the weight block, the number of the limiting units is two, and the two limiting units are respectively arranged at two ends of the weight block.

In order to better limit the movement of the moving rod, a sliding block is arranged at one end of the moving rod, which is positioned in the sliding groove, a limiting groove is arranged in the sliding groove, the sliding block is positioned in the limiting groove, and the sliding block is connected with the limiting groove in a sliding manner.

In order to better limit the movement of the moving rod, the number of the sliding blocks is two, the two sliding blocks are respectively arranged on two sides of the moving rod, the number of the limiting grooves is two, and the two sliding blocks are respectively located in the two limiting grooves.

In order to reduce friction, carry out better spacing to the removal of carriage release lever simultaneously, be equipped with the pulley on the slider, the spacing inslot is equipped with the constant head tank, the pulley is located the constant head tank, pulley and constant head tank roll connection.

In order to enable the device to move more conveniently and flexibly, the base is provided with the idler wheels which are universal wheels.

The pile driving device for bridge construction has the advantages that the pile driving mechanism is moved through the moving mechanism, pile driving is achieved through the pile driving mechanism, compared with the existing pile driving device, the device achieves operation of the moving mechanism and the pile driving mechanism through one output end, energy is saved, meanwhile, the moving mechanism and the pile driving mechanism are linked, moving and knocking of the weight block are achieved, the linkage is of a pure mechanical structure, stability and service life of the device are improved, practicability is improved, and compared with the existing pile driving mechanism, the pile driving device for bridge construction achieves better pile driving effect by righting the pile columns through the clamping assemblies.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural view of a piling device for bridge construction according to the present invention;

fig. 2 is a schematic view illustrating a connection structure of a movable rod and a fixed rod of the pile driving device for bridge construction according to the present invention;

FIG. 3 is a schematic structural diagram of a pile driving mechanism of the pile driving device for bridge construction according to the present invention;

FIG. 4 is a schematic diagram of the clamp assembly of the present invention for a piling device for bridge construction;

in the figure: 1. the automatic transmission mechanism comprises a base, 2 parts of a fixed rod, 3 parts of a motor, 4 parts of a rotating wheel, 5 parts of a moving rod, 6 parts of a screw rod, 7 parts of a weight block, 8 parts of a limiting rod, 9 parts of a limiting block, 10 parts of a first spring, 11 parts of a positioning rod, 12 parts of a push rod, 13 parts of a clamping block, 14 parts of a second spring, 15 parts of a rotating rod, 16 parts of a rotating pipe, 17 parts of a rotating block, 18 parts of a large gear, 19 parts of a small gear, 20 parts of a first bevel gear, 21 parts of a second bevel gear, 22 parts of a rotating shaft, 23 parts of a connecting wheel, 24 parts of a pull rod, 25 parts of a fixed shaft, 26 parts of a half gear, 27 parts of a rack, 28 parts of a sliding block, 29 parts of a pulley and 30 parts of a roller.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, an effective piling device for bridge construction comprises a base 1, a fixed rod 2, moving mechanisms and a piling mechanism, wherein the fixed rod 2 is arranged at one end of the base 1, the moving mechanisms are arranged on the base 1, and the piling mechanism is arranged on the moving mechanisms;

when the device is used, the device is moved to a piling position, the moving mechanism is operated, so that the piling mechanism moves downwards, and piling is realized through the piling mechanism.

As shown in fig. 2, the moving mechanism includes a motor 3, rotating wheels 4, a moving rod 5 and a screw rod 6, the screw rod 6 is arranged on the base 1, the moving rod 5 is sleeved on the screw rod 6, the moving rod 5 is in threaded connection with the screw rod 6, a sliding groove is arranged on the fixed rod 2, one end of the moving rod 5 is located in the sliding groove, the moving rod 5 is in sliding connection with the sliding groove, the motor 3 is vertically arranged on the base 1 upward, two rotating wheels 4 are provided, one rotating wheel 4 is arranged on the motor 3, the other rotating wheel 4 is sleeved on the screw rod 6, the rotating wheels 4 are in key connection with the screw rod 6, and the two rotating wheels 4 are in transmission connection through a belt;

the operation motor 3, motor 3 drive runner 4 is rotatory, this runner 4 is rotatory through another runner 4 of belt drive, another runner 4 drives lead screw 6 and rotates, lead screw 6 drive carriage release lever 5 removes, here the tip of carriage release lever 5 is located the spout, thereby make carriage release lever 5 can only remove along the axis direction of spout, thereby it is spacing to the removal of carriage release lever 5, carriage release lever 5 removes drive slider 28 and removes, slider 28 is located the spacing inslot, thereby make slider 28 can only remove along the axis direction of spacing groove, thereby it is spacing to the removal of slider 28, thereby carry out better spacing to the removal of carriage release lever 5.

In order to better limit the movement of the moving rod 5, a sliding block 28 is arranged at one end of the moving rod 5, which is positioned in the sliding groove, a limiting groove is arranged in the sliding groove, the sliding block 28 is positioned in the limiting groove, and the sliding block 28 is connected with the limiting groove in a sliding manner.

In order to better limit the movement of the moving rod 5, there are two sliding blocks 28, the two sliding blocks 28 are respectively arranged on two sides of the moving rod 5, there are two limiting grooves, and the two sliding blocks 28 are respectively located in the two limiting grooves.

In order to reduce friction and better limit the movement of the moving rod 5, a pulley 29 is arranged on the sliding block 28, a positioning groove is formed in the limiting groove, the pulley 29 is located in the positioning groove, and the pulley 29 is in rolling connection with the positioning groove.

As shown in fig. 3-4, the piling mechanism includes a knocking component, a clamping component and a rotating component, the knocking component includes a weight 7 and a limiting unit, the limiting unit includes a limiting rod 8, a limiting block 9 and a first spring 10, the weight 7 is disposed below the moving rod 5, the limiting rod 8 is disposed on the weight 7, the limiting rod 8 passes through the moving rod 5, the limiting rod 8 is slidably connected with the moving rod 5, the limiting block 9 is disposed at one end of the limiting rod 8 away from the weight 7, the limiting block 9 abuts against the moving rod 5, the first spring 10 is sleeved on the limiting rod 8, the first spring 10 is located between the weight 7 and the moving rod 5, one end of the first spring 10 is connected with the weight 7, the other end of the first spring 10 is connected with the moving rod 5, the first spring 10 is in a compressed state, the clamping component includes two clamping units, two clamping unit set up respectively in the both sides of pouring weight 7, clamping unit includes locating lever 11, push rod 12, clamp splice 13 and second spring 14, locating lever 11 sets up on carriage release lever 5, push rod 12 passes locating lever 11, push rod 12 and locating lever 11 sliding connection, clamp splice 13 sets up the one end at push rod 12, and two clamp splice 13 of two clamping unit are just to setting up, the cross-section of clamp splice 13 is the arc, and the centre of a circle coincidence of the arc cross-section of two clamp splice 13, second spring 14 cover is established on push rod 12, second spring 14 is located between locating lever 11 and the clamp splice 13, the one end of second spring 14 is connected with locating lever 11, the other end and the clamp splice 13 of second spring 14 are connected, second spring 14 is in compression state, rotating assembly includes bull stick 15, revolving tube 16, revolving block 17, bull gear 18, Pinion 19, first bevel gear 20, second bevel gear 21, pivot 22, fifth wheel 23, pull rod 24, fixed axle 25, pinion 26 and rack 27, bull stick 15 sets up on base 1, bull stick 16 sets up on the carriage release lever 5, bull stick 15 stretches into in the bull stick 16,

bull stick

15 and 16 sliding connection of bull stick, the setting of commentaries on classics piece 17 is located the one end of bull stick 16, be equipped with the bar groove in the bull stick 16, the commentaries on classics piece 17 is located the bar inslot, commentaries on classics piece 17 and bar groove sliding connection, gear wheel 18 cover is established on lead screw 6, gear wheel 18 and lead screw 6 key-type connection, pinion 19 covers on the bull stick 15, pinion 19 and bull stick 15 key-type connection, pinion 19 and gear wheel 18 meshing, first bevel gear 20 covers on the bull stick 16,

first bevel gear

20 and 16 key-type connection of bull stick, the pivot 22 sets up on the carriage release lever 5, second bevel gear 21 cover is established on pivot 22, second bevel gear 21 and the key-type connection of pivot 22, second bevel gear 21 and the meshing of first bevel gear 20, pull rod 24 sets up on pouring weight 7, pull rod 24 passes carriage release lever 5,

pull rod

24 and 5 sliding connection of carriage release lever, rack 27 sets up on carriage release lever 5, fixed axle 25 sets up the one side at rack 27, half gear 26 cover is established on fixed axle 25, half gear 26 and fixed axle 25 key-type connection, half gear 26 and the meshing of rack 27, connecting wheel 23 has two, and two connecting wheels 23 overlap respectively and establish on pivot 22 and fixed axle 25, and two connecting wheels 23 connect with pivot 22 and fixed axle 25 key-type connection respectively, and two connecting wheels 23 are connected through belt transmission.

The lead screw 6 drives the bull gear 18 to rotate in a rotating manner, the bull gear 18 drives the pinion gear 19 to rotate, the pinion gear 19 drives the rotating rod 15 to rotate, the rotating rod 15 drives the rotating block 17 to rotate, the rotating block 17 drives the rotating pipe 16 to rotate, the rotating pipe 16 drives the first bevel gear 20 to rotate, the first bevel gear 20 drives the second bevel gear 21 to rotate, the second bevel gear 21 drives the rotating shaft 22 to rotate, the rotating shaft 22 drives the connecting wheel 23 connected with the rotating shaft to rotate, the connecting wheel 23 drives the other connecting wheel 23 to rotate through a belt, the other connecting wheel 23 drives the fixed shaft 25 to rotate, the fixed shaft 25 drives the half gear 26 to rotate, when the half gear 26 is meshed with the rack 27, the half gear 26 drives the rack 27 to move, the rack 27 drives the pull rod 24 to move, the pull rod 24 drives the weight 7 to move upwards, when the half gear 26 is not meshed with the rack 27, the rack 27 is not blocked, and the first, the downward thrust generated on the weight 7 is recovered after the first spring 10, so that the weight 7 moves downwards under the action of the first spring 10 and the self gravity, the pile below is knocked, the pile is pressed into the ground, and the piling is realized.

The gearwheel 18 here makes one revolution driving the pinion 19 for several revolutions, thereby accelerating the rotation of the pinion 19 and thus the rotation of the half-gear 26, thereby increasing the frequency of movement of the weight 7 and thus achieving a better hammer pile effect.

Pulling push rod 12, push rod 12 drive clamp splice 13 removes to make two clamp splice 13 leave sufficient space, then move pouring weight 7 to the pile under, then loosen push rod 12, second spring 14 is in compression state this moment, the restoring force of second spring 14 produces thrust to clamp splice 13, thereby make two clamp splice 13 paste the both sides of pile, thereby press from both sides tight the pile, thereby it is spacing to the removal of pile, thereby realize better pile effect.

Here, the downward movement of the moving rod 5 drives the downward movement of the first spring 10, and the first spring 10 drives the downward movement of the weight 7, so that the weight 7 moves downward while driving the pile, and the weight 7 always keeps abutting against the pile.

The movable rod 5 moves downwards to drive the rotating pipe 16 to move downwards, and the rotating block 17 is located in a strip-shaped groove in the rotating pipe 16, so that the rotating block 17 can only move along the axis direction of the strip-shaped groove, and the movement of the rotating block 17 is limited.

In order to carry out better spacing to the removal of bull stick 15, the bull block 17 has two, and two bull blocks 17 set up respectively in the both sides of bull stick 15, the bar groove has two, and two bull blocks 17 are located two bar inslots respectively.

In order to better limit the movement of the weight 7, the number of the limiting units is two, and the two limiting units are respectively arranged at two ends of the weight 7.

In order to make the device move more conveniently and flexibly, the base 1 is provided with rollers 30, and the rollers 30 are universal wheels.

When the device is used, the device is moved to a pile, the pile is clamped through the clamping assembly, the pile is righted, the pile is kept to move downwards, a better pile driving effect is achieved, the motor 3 is operated, the motor 3 drives the rotating wheel 4 to rotate, the rotating wheel 4 drives the screw rod 6 to rotate, the screw rod 6 drives the moving rod 5 to move, the moving rod 5 drives the weight 7 to move, the weight 7 is abutted to the pile, the screw rod 6 drives the rotating assembly to rotate, the half gear 26 rotates, when the half gear 26 is meshed with the rack 27, the half gear 26 drives the rack 27 to move, the rack 27 drives the pull rod 24 to move, the pull rod 24 drives the weight 7 to move, the weight 7 is separated from the pile, when the half gear 26 is not meshed with the rack 27, the weight 7 moves downwards under the action of the gravity of the weight 7 and the restoring force of the first spring 10 to knock the pile, so that the loading moves downwards to realize piling.

Compared with the prior art, this effectual a pile device for bridge construction, realize the removal of pile mechanism through moving mechanism, realize the pile through pile mechanism, compare with current pile device, the device has realized the operation of moving mechanism and pile mechanism through an output, the energy has been saved, moving mechanism and pile mechanism adopt the linkage simultaneously, realized the removal of pouring weight 7 and strikeed, and this linkage adopts pure mechanical structure, the stability and the life of device have been improved, the practicality has been improved, compare with current pile mechanism, this mechanism is right the stake through holding assembly, thereby realize better pile effect.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The pile driving device for bridge construction is characterized by comprising a base (1), a fixed rod (2), a moving mechanism and a pile driving mechanism, wherein the fixed rod (2) is arranged at one end of the base (1), the moving mechanisms are arranged on the base (1), and the pile driving mechanism is arranged on the moving mechanism;

the moving mechanism comprises a motor (3), rotating wheels (4), a moving rod (5) and a screw rod (6), the screw rod (6) is arranged on a base (1), the moving rod (5) is sleeved on the screw rod (6), the moving rod (5) is in threaded connection with the screw rod (6), a sliding groove is formed in a fixed rod (2), one end of the moving rod (5) is located in the sliding groove, the moving rod (5) is in sliding connection with the sliding groove, the motor (3) is vertically arranged on the base (1) upwards, the number of the rotating wheels (4) is two, one rotating wheel (4) is arranged on the motor (3), the other rotating wheel (4) is sleeved on the screw rod (6), the rotating wheels (4) are in key connection with the screw rod (6), and the two rotating wheels (4) are in transmission connection through a belt;

the pile driving mechanism comprises a knocking component, a clamping component and a rotating component, the knocking component comprises a heavy block (7) and a limiting unit, the limiting unit comprises a limiting rod (8), a limiting block (9) and a first spring (10), the heavy block (7) is arranged below a moving rod (5), the limiting rod (8) is arranged on the heavy block (7), the limiting rod (8) penetrates through the moving rod (5), the limiting rod (8) is in sliding connection with the moving rod (5), the limiting block (9) is arranged at one end, away from the heavy block (7), of the limiting rod (8), the limiting block (9) is abutted against the moving rod (5), the first spring (10) is sleeved on the limiting rod (8), the first spring (10) is located between the heavy block (7) and the moving rod (5), one end of the first spring (10) is connected with the heavy block (7), the other end of the first spring (10) is connected with the moving rod (5), the first spring (10) is in a compressed state, the clamping assembly comprises two clamping units, the two clamping units are respectively arranged on two sides of the weight block (7), each clamping unit comprises a positioning rod (11), a push rod (12), a clamping block (13) and a second spring (14), the positioning rod (11) is arranged on the moving rod (5), the push rod (12) penetrates through the positioning rod (11), the push rod (12) is in sliding connection with the positioning rod (11), the clamping block (13) is arranged at one end of the push rod (12), the two clamping blocks (13) of the two clamping units are arranged oppositely, the cross section of the clamping block (13) is arc-shaped, the circle centers of the arc-shaped cross sections of the two clamping blocks (13) are overlapped, the second spring (14) is sleeved on the push rod (12), and the second spring (14) is positioned between the positioning rod (11) and the clamping block (13), one end of the second spring (14) is connected with the positioning rod (11), the other end of the second spring (14) is connected with the clamping block (13), the second spring (14) is in a compression state, the rotating assembly comprises a rotating rod (15), a rotating pipe (16), a rotating block (17), a large gear (18), a small gear (19), a first bevel gear (20), a second bevel gear (21), a rotating shaft (22), a connecting wheel (23), a pull rod (24), a fixed shaft (25), a half gear (26) and a rack (27), the rotating rod (15) is arranged on the base (1), the rotating pipe (16) is arranged on the moving rod (5), the rotating rod (15) extends into the rotating pipe (16), the rotating rod (15) is in sliding connection with the rotating pipe (16), the rotating block (17) is arranged at one end, located in the rotating pipe (16), of the rotating rod (15), and a strip-shaped groove is arranged in the rotating pipe (16), the rotating block (17) is located in a strip groove, the rotating block (17) is connected with the strip groove in a sliding manner, a large gear (18) is sleeved on a screw rod (6), the large gear (18) is connected with the screw rod (6) in a key manner, a small gear (19) is sleeved on a rotating rod (15), the small gear (19) is connected with the rotating rod (15) in a key manner, the small gear (19) is meshed with the large gear (18), a first bevel gear (20) is sleeved on a rotating pipe (16), a first bevel gear (20) is connected with the rotating pipe (16) in a key manner, a rotating shaft (22) is arranged on a moving rod (5), a second bevel gear (21) is sleeved on a rotating shaft (22), the second bevel gear (21) is connected with the rotating shaft (22) in a key manner, the second bevel gear (21) is meshed with the first bevel gear (20), a pull rod (24) is arranged on a weight (7), pull rod (24) pass carriage release lever (5), pull rod (24) and carriage release lever (5) sliding connection, rack (27) set up on carriage release lever (5), fixed axle (25) set up the one side in rack (27), half gear (26) cover is established on fixed axle (25), half gear (26) and fixed axle (25) key-type connection, half gear (26) and rack (27) meshing, connecting wheel (23) have two, and two connecting wheel (23) overlap respectively and establish on pivot (22) and fixed axle (25), and two connecting wheel (23) connect with pivot (22) and fixed axle (25) key-type connection respectively, and two connecting wheel (23) are connected through belt transmission.

2. The piling device for bridge construction with good effect as recited in claim 1, wherein there are two of the rotary blocks (17), two of the rotary blocks (17) are respectively disposed at both sides of the rotary rod (15), there are two of the bar-shaped grooves, and two of the rotary blocks (17) are respectively disposed in the two bar-shaped grooves.

3. The pile driving apparatus for bridge construction according to claim 1, wherein there are two limiting units, and the two limiting units are respectively disposed at both ends of the weight (7).

4. The piling device for bridge construction with good effect as recited in claim 1, wherein the end of the moving rod (5) in the sliding groove is provided with a slide block (28), the sliding groove is provided with a limiting groove, the slide block (28) is arranged in the limiting groove, and the slide block (28) is connected with the limiting groove in a sliding way.

5. The pile driving apparatus for bridge construction with good effect as set forth in claim 4, wherein there are two sliding blocks (28), two sliding blocks (28) are respectively disposed at both sides of the movable rod (5), there are two limiting grooves, and two sliding blocks (28) are respectively disposed in the two limiting grooves.

6. The piling device for bridge construction with good effect as recited in claim 5, wherein the sliding block (28) is provided with a pulley (29), the limiting groove is provided with a positioning groove, the pulley (29) is positioned in the positioning groove, and the pulley (29) is in rolling connection with the positioning groove.

7. Piling device for bridge construction with good effect according to claim 1, characterized in that rollers (30) are arranged on the base (1), and the rollers (30) are universal wheels.