CN214497504U

CN214497504U - Pile driver

Info

Publication number: CN214497504U
Application number: CN202120028806.7U
Authority: CN
Inventors: 郭晶
Original assignee: Shanghai Yingsheng Municipal Engineering Co ltd
Current assignee: Shanghai Yingsheng Municipal Engineering Co ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-10-26
Anticipated expiration: 2031-01-06

Abstract

The utility model belongs to the technical field of municipal works construction equipment and specifically relates to a pile driver is related to, it includes the pile driving platform, the center of pile driving platform is equipped with pile driving mechanism, pile driving mechanism includes the vertical pile frame that sets up on pile driving platform, with pile frame sliding fit's lifter plate, the vibratory pile hammer of setting on the lifter plate, the pile holder of vibratory pile hammer one side is kept away from to the setting at the lifter plate, the hoist ware of setting at the pile frame top, the fixed one side of keeping away from pile driving platform at the lifter plate of vibratory pile hammer, the hoist ware passes through the stay cord and links to each other with the lifter plate. This application has the effect that promotes pile job stabilization nature.

Description

Pile driver

Technical Field

The application relates to the field of municipal engineering construction equipment, in particular to a pile driver.

Background

Pile drivers are construction machines that drive piles into a ground formation. Mainly comprises a pile hammer and a pile frame. The pile hammer moves up and down along the pile frame to impact the pile top, so that the pile sinks. The method is mainly used for driving bridge foot piles during the erection of low water bridges or underwater bridges, and can also be used for driving foundation piles, covered piles and the like of workers.

Chinese patent with publication number CN103993599A discloses a pile driver, which comprises a base, a vertical frame, a supporting rod and a hammer body, wherein the vertical frame, the supporting rod and the hammer body are arranged on the base, the base is movably hinged with the vertical frame, two ends of the supporting rod are respectively connected with the base and the vertical frame, the base is provided with a connecting hole, a fixing plate is fixedly connected with the vertical frame, a hydraulic lifting cylinder is fixedly connected with the fixing plate, a hole capable of accommodating the hydraulic lifting cylinder is arranged in the hammer body, and a lower piston rod of the hydraulic lifting cylinder extends into the hole of the hammer body and is fixedly connected with the lower part of the hammer body.

In view of the above-mentioned related art, the inventors consider that such a pile driver has poor stability of the pile hammer during the pile driving process.

SUMMERY OF THE UTILITY MODEL

In order to promote the stability of pile driving work, this application provides a pile driver.

The application provides a pile driver adopts following technical scheme:

the utility model provides a pile driver, includes the pile driving platform, the center of pile driving platform is equipped with pile driving mechanism, pile driving mechanism includes vertical setting pile frame on pile driving platform, with pile frame sliding fit's lifter plate, the fixed vibrating pile hammer that sets up on the lifter plate, set up the pile holder of keeping away from vibrating pile hammer one side at the lifter plate, set up the hoist ware at the pile frame top, the fixed one side of keeping away from pile driving platform at the lifter plate that sets up of vibrating pile hammer, the hoist ware passes through the stay cord and links to each other with vibrating pile hammer.

Through adopting above-mentioned technical scheme, the hoist ware promotes the vibratory pile hammer to the top of pile frame together with the lifter plate, utilizes the pile gripper to carry out the centre gripping to the stake bucket, with the vertical placing of stake bucket, utilizes the vibratory pile hammer to carry out pile work, through utilizing pile driving mechanism pile driving in the center department of pile driving platform, makes the even atress of whole pile driving platform at the pile driving in-process, supports the pile frame, promotes the stability of pile driving work.

Optionally, the pile driving platform includes the pile driving flat board and the vertical support column that sets up in the pile driving flat board bottom, set up the pile driving hole that supplies the stake bucket to pass through on the pile driving flat board, the support column is equipped with a plurality ofly along the periphery of pile driving flat board, the one end level that the pile driving flat board was kept away from to the support column is equipped with the backup pad, the diameter of backup pad is greater than the diameter of support column.

Through adopting above-mentioned technical scheme, the pile platform provides the installation carrier for the pile frame, utilizes the support column to support the pile flat board, and the backup pad increases the area of contact on support column and ground, makes the pile platform support more firm.

Optionally, the pile frame includes that the level sets up the guide post of fixed flat board, connection fixed flat board and pile platform on pile platform, the vertical setting of guide post, the guide post is equipped with a plurality ofly around the center department of fixed flat board, the lifter plate is run through to the guide post, lifter plate and guide post sliding fit.

Through adopting above-mentioned technical scheme, the guide post supports fixed flat board, leads to the lifter plate simultaneously, moves down along the guide post at pile in-process lifter plate, reduces the possibility that pile in-process lifter plate takes place the skew, promotes the stability of pile work.

Optionally, the pile gripper includes a plurality of cylinders arranged on one side of the lifting plate close to the pile driving platform, and a clamping plate arranged on the cylinders, and a piston rod of each cylinder moves along a direction perpendicular to the axis of the pile driving barrel.

Through adopting above-mentioned technical scheme, when pressing from both sides tightly the stake bucket, a plurality of cylinders work simultaneously, press from both sides tightly the tip that is close to pile holder to the stake bucket, conveniently carry out pile work to the stake bucket.

Optionally, a limiting ring is arranged on the piling flat plate, the limiting ring and the piling hole are coaxially arranged, and the diameter of the limiting ring is smaller than that of the piling hole.

Through adopting above-mentioned technical scheme, spacing ring is spacing to the stake bucket at the pile driving in-process, reduces the possibility that the skew takes place at the pile driving in-process of stake bucket.

Optionally, the limiting ring is detachably connected with the piling platform.

Through adopting above-mentioned technical scheme, the spacing ring of adaptation is changed to the stake bucket that conveniently corresponds not unidimensional, promotes pile driver compatibility of work.

Optionally, a pile hammer frame is arranged on the lifting plate, a flange plate is horizontally arranged at the top of the pile hammer frame, and the vibrating pile hammer is fixedly connected with the flange plate through a connecting bolt.

Through adopting above-mentioned technical scheme, install the vibration stake hammer on the stake hammer carrier firmly, promote the stability of vibration dress hammer job, still conveniently change the vibration stake hammer simultaneously.

Optionally, the surface of the guide post is provided with a lubricating coating.

Through adopting above-mentioned technical scheme, it is more smooth and easy to make the lifter plate slide along the guide post, reduces the sliding resistance of lifter plate, promotes the smooth and easy degree of pile process.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the pile driving mechanism is arranged on the pile driving platform, so that the whole pile driving platform is uniformly stressed in the pile driving process to support the pile frame, and the effect of improving the pile driving working stability is achieved;

2. set up the spacing ring through setting up on pile driving platform, spacing ring carries on spacingly to the stake bucket at the pile driving in-process, reaches the effect that reduces the stake bucket and take place the skew possibility at the pile driving in-process.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a sectional view showing a pile hole structure in the embodiment of the present application.

Description of reference numerals: 1. a piling platform; 11. piling a flat plate; 12. a support pillar; 121. a support plate; 13. pile driving holes; 14. a limiting ring; 15. a connecting plate; 2. a pile driving mechanism; 21. pile frames; 211. fixing the flat plate; 212. a guide post; 22. a lifting plate; 221. a rubber sleeve; 23. vibrating the pile hammer; 231. a connecting flange; 232. a connecting bolt; 233. a nut; 24. pile clamping devices; 241. a cylinder; 242. a clamping plate; 25. a winch; 251. pulling a rope; 26. a pile hammer frame; 261. a support plate; 262. a connecting rod; 263. a flange plate; 3. and (5) piling a barrel.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses pile driver. Referring to fig. 1, a pile driver includes a pile driving platform 1, the pile driving platform 1 is placed on the ground, a pile driving mechanism 2 is provided at the center of the pile driving platform 1, and the pile driving mechanism 2 is supported by the pile driving platform 1 when driving a pile.

Referring to fig. 1 and 2, the piling platform 1 comprises a piling flat plate 11 and a support column 12, the piling flat plate 11 is horizontally arranged, the piling flat plate 11 is square, and a piling hole 13 is formed in the center of the piling flat plate 11. The support column 12 sets up in the one side that the dull and stereotyped 11 of pile is close to ground, and support column 12 is the columniform of vertical setting, support column 12 length direction's one end and pile dull and stereotyped 11 fixed connection, support column 12 length direction's the other end and the ground contact, support column 12 is equipped with a plurality ofly along pile dull and stereotyped 11 all around, and the embodiment uses four as an example.

Referring to fig. 1, a supporting plate 121 is disposed at one end of the supporting column 12 away from the piling platform 11, the supporting plate 121 is circular, and the diameter of the supporting plate 121 is larger than that of the supporting column 12, so as to increase the contact area between the supporting column 12 and the ground and improve the placing stability of the piling platform 1.

Referring to fig. 1, the pile driving mechanism 2 includes a pile frame 21, a lifting plate 22, a vibratory pile hammer 23, a pile gripper 24, and a winch 25. The pile frame 21 is vertically arranged at the top of the pile driving platform 1, the lifting plate 22 is horizontally arranged, the lifting plate 22 is slidably connected onto the pile frame 21, the vibrating pile hammer 23 is fixedly arranged on one side, away from the pile driving platform 1, of the lifting plate 22, and the pile clamping device 24 is arranged on one side, close to the pile driving platform 1, of the lifting plate 22. The winch 25 is fixedly arranged at the top of the pile frame 21, a through hole is formed in the top of the pile frame 21, a pull rope 251 is wound on the winch 25, and the pull rope 251 penetrates through the through hole to be fixedly connected with the vibrating pile hammer 23.

Referring to fig. 1 and 2, the winch 25 works to lift the lifting plate 22 to a position close to the top of the pile frame 21, the pile gripper 24 is used to grip the top end of the pile barrel 3 to be driven, so that the pile barrel 3 is in a vertical state, at the moment, the winch 25 rotates reversely at a slow speed to release the pull rope 251, so that one end of the pile barrel 3 close to the ground penetrates through the pile driving hole 13 to be abutted against the ground, and the vibrating hammer 23 is started to generate exciting force to drive the pile barrel 3 into the ground.

Referring to fig. 1, the pile frame 21 includes a fixing plate 211 and a guide column 212, the fixing plate 211 is horizontally disposed above the pile driving platform 1, the guide column 212 is vertically disposed on one side of the fixing plate 211 close to the pile driving platform 1, one end of the guide column 212 in the length direction is fixedly connected to the fixing plate 211, and the other end of the guide column 212 in the length direction is fixedly connected to the pile driving platform 1. The fixing plate 211 is square, and the guiding posts 212 are uniformly arranged along the periphery of the fixing plate 211, four are taken as an example in this embodiment.

Referring to fig. 1, the lifting plate 22 is disposed parallel to the fixing plate 211, the guide post 212 penetrates the lifting plate 22, and the guide post 212 is slidably engaged with the lifting plate 22. The connection position of the lifting plate 22 and the guide column 212 is further provided with a rubber sleeve 221, the outer ring of the rubber sleeve 221 is fixedly connected with the lifting plate 22, the inner ring of the rubber sleeve 221 is in sliding fit with the guide column 212, the vibration of the vibrating pile hammer 23 is absorbed by elastic deformation of the rubber sleeve 221, meanwhile, the vibration amplitude of the lifting plate 22 can be increased, and the effect of the vibrating pile hammer 23 is more obvious.

Referring to fig. 1, a lubricating coating is disposed on the surface of the guide post 212, and the lubricating coating is a teflon coating, which has high lubrication and non-adhesiveness, so that the lifting plate 22 can slide up and down more smoothly, and the smoothness of the piling process is improved.

Referring to fig. 1, the pile gripper 24 includes an air cylinder 241 and a clamping plate 242, the air cylinder 241 is fixedly disposed on one side of the lifting plate 22 close to the pile driving platform 1, the clamping plate 242 is fixedly connected to a piston rod of the air cylinder 241, the piston rod of the air cylinder 241 moves along a horizontal direction, the clamping plate 242 is an arc plate matched with the circular pile barrel 3, and an arc surface of the arc plate faces the pile barrel 3.

Referring to fig. 1 and 2, a plurality of cylinders 241 are symmetrically arranged around the center of the extension line of the axis of the pile driving hole 13, three cylinders are taken as an example in this embodiment, and when the pile barrel 3 is clamped, the three cylinders 241 work simultaneously to enable the three clamping plates 242 to form a holding area for the pile barrel 3, so as to clamp the pile barrel 3. Helps to increase the grip on the barrel 3 and reduces the likelihood of the barrel 3 tipping during pile driving.

Referring to fig. 1, keep away from the fixed pile hammer carrier 26 that is equipped with in one side of pile platform 1 at lifter plate 22, pile hammer carrier 26 includes the backup pad 261 of two levels settings, connects the connecting rod 262 of two backup pads 261, leaves the clearance between two backup pads 261, and the vertical setting of connecting rod 262, the both ends of connecting rod 262 length direction all weld with backup pad 261, and connecting rod 262 is equipped with four along backup pad 261 direction all around. A flange 263 is horizontally and fixedly arranged at the top of the pile hammer frame 26, a connecting flange 231 is fixedly connected to the bottom of the vibrating pile hammer 23, and the flange 263 and the connecting flange 231 are connected through a connecting bolt 232 and a nut 233.

Referring to fig. 1 and 2, a limiting ring 14 is arranged on the piling platform 1, the limiting ring 14 is located on one side, far away from the ground, of the piling flat plate 11, the limiting ring 14 is coaxially arranged with the piling hole 13, the diameter of the limiting ring 14 is smaller than that of the piling hole 13, one end, close to the ground, of the pile barrel 3 is limited through the limiting ring 14, and the possibility that the pile barrel 3 deviates in the piling process is reduced. The bottom of the limiting ring 14 is provided with a connecting plate 15, and the connecting plate 15 is connected with the piling flat plate 11 through bolts, so that the limiting ring 14 can be conveniently replaced according to the diameters of different pile barrels 3.

The implementation principle of this application embodiment pile driver does: hoist 25 forward rotates, promote lifter plate 22, make lifter plate 22 be close to the top of pile frame 21, recycle pile gripper 24 and carry out the centre gripping to the tip that stake bucket 3 kept away from ground, make stake bucket 3 be in vertical state, control hoist 25 slow counter-rotation relaxs stay cord 251, make lifter plate 22 slowly descend, stake bucket 3 passes the one end that is close to ground and beats stake hole 13 and contradict with ground, vibrating pile hammer 23 puts into work this moment, vibrating pile hammer 23 produces the exciting force and squeezes into the underground with stake bucket 3.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A pile driver, includes pile platform (1), its characterized in that: the pile driving device is characterized in that a pile driving mechanism (2) is arranged at the center of the pile driving platform (1), the pile driving mechanism (2) comprises a pile frame (21) vertically arranged on the pile driving platform (1), a lifting plate (22) in sliding fit with the pile frame (21), a vibrating pile hammer (23) fixedly arranged on the lifting plate (22), a pile clamping device (24) arranged on one side of the lifting plate (22) far away from the vibrating pile hammer (23), and a winch (25) arranged at the top of the pile frame (21), wherein the vibrating pile hammer (23) is fixedly arranged on one side of the lifting plate (22) far away from the pile driving platform (1), and the winch (25) is connected with the vibrating pile hammer (23) through a pull rope (251).

2. Pile driver according to claim 1, characterized in that: pile platform (1) is including pile flat board (11) and vertical support column (12) of setting in pile flat board (11) bottom, set up pile hole (13) that supply stake bucket (3) to pass through on pile flat board (11), support column (12) are equipped with a plurality ofly along pile flat board (11) periphery, the one end level that pile flat board (11) were kept away from in support column (12) is equipped with backup pad (121), the diameter of backup pad (121) is greater than the diameter of support column (12).

3. Pile driver according to claim 1, characterized in that: pile frame (21) including the level set up fixed flat board (211) on pile driving platform (1), connect guide post (212) fixed flat board (211) and pile driving platform (1), guide post (212) vertical setting, guide post (212) are equipped with a plurality ofly around the center department of fixed flat board (211), lifter plate (22) is run through in guide post (212), lifter plate (22) and guide post (212) sliding fit.

4. Pile driver according to claim 1, characterized in that: the pile clamping device (24) comprises a cylinder (241) arranged on one side, close to the pile driving platform (1), of the lifting plate (22) and clamping plates (242) arranged on the cylinder (241), the cylinder (241) is arranged in a plurality in the circumferential direction of the barrel (3) to be driven, and a piston rod of the cylinder (241) moves in the direction perpendicular to the axis of the barrel (3) to be driven.

5. Pile driver according to claim 2, characterized in that: the pile driving device is characterized in that a limiting ring (14) is arranged on the pile driving flat plate (11), the limiting ring (14) and the pile driving hole (13) are coaxially arranged, and the diameter of the limiting ring (14) is smaller than that of the pile driving hole (13).

6. Pile driver according to claim 5, characterized in that: the limiting ring (14) is detachably connected with the piling platform (1).

7. Pile driver according to claim 1, characterized in that: be equipped with stake hammer carrier (26) on lifter plate (22), stake hammer carrier (26) top level is equipped with ring flange (263), vibrating pile hammer (23) are through connecting bolt (232) and ring flange (263) fixed connection.

8. A pile driver as claimed in claim 3, wherein: the surface of the guide column (212) is provided with a lubricating coating.