CN111962512A - Bridge pile foundation pile head breaking device and method - Google Patents

Bridge pile foundation pile head breaking device and method Download PDF

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Publication number
CN111962512A
CN111962512A CN202010829287.4A CN202010829287A CN111962512A CN 111962512 A CN111962512 A CN 111962512A CN 202010829287 A CN202010829287 A CN 202010829287A CN 111962512 A CN111962512 A CN 111962512A
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CN
China
Prior art keywords
breaking
pile head
motor
frame
base
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Pending
Application number
CN202010829287.4A
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Chinese (zh)
Inventor
范广宇
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Wenzhou Yuanming Zhenyue Technology Co ltd
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Wenzhou Yuanming Zhenyue Technology Co ltd
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Publication date
Application filed by Wenzhou Yuanming Zhenyue Technology Co ltd filed Critical Wenzhou Yuanming Zhenyue Technology Co ltd
Priority to CN202010829287.4A priority Critical patent/CN111962512A/en
Publication of CN111962512A publication Critical patent/CN111962512A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D9/00Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium

Abstract

The invention belongs to the field of pile head breaking, and particularly relates to a bridge pile foundation pile head breaking device and a breaking method, wherein a rotating assembly is arranged on a fixed plate above a lifting assembly at the top of a base, a breaking frame is fixedly connected onto the rotating assembly, two electric telescopic rods are symmetrically and fixedly connected onto the inner wall of the top of the breaking frame, the bottom ends of the two electric telescopic rods are fixedly connected with a fixed seat with a fixed cavity, a first motor is fixedly connected onto the inner wall of one side of the fixed cavity, a threaded shaft is connected onto an output shaft of the first motor in a transmission manner, a sliding plate is connected into the fixed cavity in a sliding manner, a threaded seat is fixedly connected onto one side of the sliding plate, one end of the threaded shaft extends into the threaded hole and is in threaded connection with the threaded hole, a second motor is fixedly connected onto the other side of the sliding plate, an output shaft of the second motor extends to one, effectively preventing dust and gravels from splashing and causing harm to human body.

Description

Bridge pile foundation pile head breaking device and method
Technical Field
The invention belongs to the technical field of pile breaking equipment, and relates to a device and a method for breaking a pile head of a bridge pile foundation.
Background
Among the bridge pile foundation construction technology, bridge pile foundation is mostly drilling bored concrete pile, for ensureing the pile foundation quality, during pile foundation concrete placement, need pour to more than 50cm of design pile foundation elevation, treat that pile foundation concrete reaches after the certain strength, chiseling away 50cm of invalid pile head more than the pile foundation design elevation, can continue the pier stud construction more than the pile foundation.
The existing pile head breaking is generally manually broken, the labor intensity is high, the working efficiency is low, and meanwhile dust is easily generated in the breaking process to damage human bodies, so a bridge pile foundation pile head breaking device and a bridge pile head breaking method are provided for solving the problems.
Disclosure of Invention
In view of the above, the invention provides a device and a method for breaking a pile head of a bridge pile foundation, which are used for solving the problems that the existing pile head breaking is generally manually broken, the labor intensity is high, the working efficiency is low, and dust is easily generated in the breaking process to damage human bodies.
In order to achieve the above purpose, the invention provides a bridge pile foundation pile head breaking device, which comprises a pile head main body and a base, wherein the top of the base is provided with a lifting assembly, the lifting assembly is fixedly connected with a fixed plate, the fixed plate is provided with a rotating assembly, the rotating assembly is fixedly connected with a breaking frame, the inner wall of the top of the breaking frame is symmetrically and fixedly connected with two electric telescopic rods, the bottom ends of the two electric telescopic rods are fixedly connected with fixed seats, the two fixed seats are respectively provided with a fixed cavity, the inner wall of one side of the fixed cavity is fixedly connected with a first motor, the output shaft of the first motor is in transmission connection with a threaded shaft, the output shaft of the first motor is fixedly sleeved with a first gear, the threaded shaft is fixedly sleeved with a second gear, the first gear is meshed with the second gear, and the fixed cavity is internally and slidably connected with a sliding, one side of the sliding plate is fixedly connected with a threaded seat, a threaded hole is formed in the threaded seat, one end of the threaded shaft extends into the threaded hole and is in threaded connection with the threaded hole, the other side of the sliding plate is fixedly connected with a second motor, an output shaft of the second motor extends to one side of the fixed seat and is fixedly connected with a crushing head, and the sound absorption cotton is fixedly connected to the inner wall of the top of the breaking frame.
The beneficial effect of this basic scheme lies in: through making two broken heads and pile head bulk phase laminating, be convenient for abolish, and broken head can vertical reciprocating motion, can rotate to different angles simultaneously for abolish more comprehensively, inhale the sound cotton and can adsorb the noise, and whole abolish and go on abolishing the frame, effectually prevent that dust and rubble from splashing, cause the injury to the human body.
Further, lifting unit includes the pneumatic cylinder of fixed connection at the base top, the output shaft of pneumatic cylinder and the bottom fixed connection of fixed plate, beneficial effect: the pneumatic cylinder can make the broken frame remove to the outside of pile head main part, makes the pile head main part be located broken frame, prevents that dust and rubble from splashing, causes the injury to the human body.
Further, the rotating assembly is including seting up the circular recess in the fixed plate bottom, fixedly connected with third motor on the top inner wall of circular recess, the output shaft of third motor and the top fixed connection who breaks the frame, beneficial effect: can make through the third motor and break the frame and rotate, and then can make two broken heads rotate to different angles to can be comprehensive break.
Further, two ventilation holes have been seted up to the equal symmetry in both sides of fixing base, fixedly connected with filter screen, beneficial effect in the ventilation hole: the ventilation hole can keep ventilating in the fixed cavity, and the first motor and the second motor of being convenient for dispel the heat, have improved the life of device, and the filter screen can prevent that external dust from getting into in the fixed cavity.
Further, break all seted up the spout on the both sides inner wall of frame, one side that two fixing bases kept away from each other is respectively with one side inner wall sliding connection that two spouts kept away from each other, beneficial effect: the spout can make the fixing base can steadily remove, can not take place the offset.
Further, all be equipped with the removal wheel on the bottom four corners position of base, one side fixedly connected with handle, beneficial effect of base: the handle is pushed, and the device can move under the action of the moving wheel, so that the flexibility is increased.
Further, all seted up the spacing groove on the top inner wall of fixed cavity and the bottom inner wall, the top and the bottom of sliding plate extend to two spacing inslots respectively and with the one side inner wall sliding connection that two spacing grooves kept away from each other respectively, beneficial effect: the limiting groove can enable the sliding plate to move more smoothly.
Further, symmetrical threaded connection has two spacing axles on the base, and the bottom of two spacing axles all extends to the bottom below of base, beneficial effect: the two limiting shafts are downwards rotated, so that the two limiting shafts can be inserted into the ground, and the base can be fixed.
Further, break two gag lever posts of top symmetry fixedly connected with of frame, the top of two gag lever posts all rotates with the top inner wall of circular recess to be connected beneficial effect: the limiting rod can enable the breaking frame to rotate more stably.
The invention also provides a breaking method of the bridge pile foundation pile head breaking device, which comprises the following steps:
s1, firstly, the device can be moved under the action of the moving wheel by pushing the handle, the device is moved to the side of the pile head main body, and then the two limiting shafts are rotated downwards to be inserted into the ground to fix the base;
s2, switching on a power supply, starting a hydraulic cylinder, enabling a fixing plate to move downwards by the hydraulic cylinder, enabling a breaking frame to move downwards by the fixing plate, enabling the pile head main body to be located in the breaking frame, and then closing the hydraulic cylinder;
s3, a first motor is started, an output shaft of the first motor drives a first gear to rotate, the first gear can drive a second gear to drive a threaded shaft to rotate, the threaded shaft can drive a threaded seat to move a sliding plate, two sliding plates can drive two second motors to drive two crushing heads to approach each other and attach to the pile head main body, then two second motors and two electric telescopic rods are started, the two second motors can drive the two crushing heads to rotate and further break the pile head main body, the two electric telescopic rods stretch and retract in a reciprocating manner, so that the two crushing heads can move in a reciprocating manner longitudinally, further front breaking can be carried out on two sides of the pile head main body, a third motor can be started simultaneously, the third motor can drive a breaking frame to rotate, further the two crushing heads can rotate to different angles, so that breaking is more comprehensive, and breaking is carried out in the breaking frame, the dust and the rubble of production can not splash away, have reduced the injury to the human body, inhale the sound cotton and can adsorb the noise that produces, can make through the ventilation hole and keep ventilating in the fixed cavity, and the first motor and the second motor of being convenient for dispel the heat, have improved the life of device.
The invention has the beneficial effects that:
1. according to the bridge pile foundation pile head breaking device disclosed by the invention, the two crushing heads are close to each other, so that the crushing heads are attached to the pile head main body, the breaking is convenient, the two crushing heads can longitudinally reciprocate through the electric telescopic rod, the third motor can enable the two crushing heads to rotate to different angles, the breaking is more comprehensive, the sound absorption cotton can absorb noise, the whole breaking is carried out in the breaking frame, and the dust and broken stones are effectively prevented from splashing to cause injury to a human body.
2. According to the bridge pile foundation pile head breaking device disclosed by the invention, the device can be moved under the action of the moving wheel by pushing the handle, so that the flexibility is increased. And break and remove the frame and can overlap on the pile foundation pile head broken head that needs to break under the effect of pneumatic cylinder for the breaking of whole pile foundation pile head is gone on in breaking the frame, can adapt to different pile foundation pile heads, and the suitability is strong.
3. According to the bridge pile foundation pile head breaking device disclosed by the invention, the ventilation holes can keep ventilation in the fixed cavity, so that the first motor and the second motor can conveniently dissipate heat, the service life of the device is prolonged, and the filter screen can prevent external dust from entering the fixed cavity.
The pile head breaking device is reasonable in structure and simple in operation, the two breaking heads are attached to the pile head main body, breaking is convenient, the breaking heads can longitudinally reciprocate and can rotate to different angles, breaking is more comprehensive, sound-absorbing cotton can absorb noise, the whole breaking is carried out in the breaking frame, and dust and broken stones are effectively prevented from splashing to cause injury to a human body.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
Fig. 1 is a front view of a bridge pile foundation pile head breaking device and a breaking method according to the present invention;
fig. 2 is a sectional view of a fixing seat in the bridge pile foundation pile head breaking device and the breaking method according to the present invention;
fig. 3 is a schematic view illustrating installation of a filter screen in the device and the method for breaking a pile head of a bridge pile foundation according to the present invention;
fig. 4 is a schematic view of a first gear and a second gear meshing structure in the bridge pile foundation pile head breaking device and the bridge pile foundation pile head breaking method according to the present invention;
fig. 5 is an enlarged view of a part a in fig. 1 of a bridge pile foundation pile head breaking device and a breaking method according to the present invention.
The drawings are numbered as follows: 1 pile head main part, 2 bases, 3 fixed plates, 4 demolishs frame, 5 electric telescopic handle, 6 fixing bases, 7 fixed cavities, 8 first motors, 9 threaded shafts, 10 threaded seats, 11 sliding plates, 12 second motors, 13 crushing heads, 14 sound-absorbing cotton, 15 sliding chutes, 16 circular grooves, 17 third motors, 18 hydraulic cylinders, 19 handles, 20 moving wheels, 21 limiting shafts, 22 first gears, 22 second gears, 24 limiting grooves, 25 limiting rods, 26 ventilation holes and 27 filter screens.
Detailed Description
The following is further detailed by way of specific embodiments:
as shown in fig. 1-5, a bridge pile foundation pile head removing device comprises a pile head main body 1 and a base 2, a lifting assembly is arranged on the top of the base 2, a fixed plate 3 is fixedly connected to the lifting assembly, a rotating assembly is arranged on the fixed plate 3, a removing frame 4 is fixedly connected to the rotating assembly, two electric telescopic rods 5 are symmetrically and fixedly connected to the inner wall of the top of the removing frame 4, fixed seats 6 are fixedly connected to the bottom ends of the two electric telescopic rods 5, fixed chambers 7 are respectively arranged on the two fixed seats 6, a first motor 8 is fixedly connected to the inner wall of one side of each fixed chamber 7, a threaded shaft 9 is in transmission connection with an output shaft of the first motor 8, a first gear 22 is sleeved on the output shaft of the first motor 8, a second gear 23 is fixedly sleeved on the threaded shaft 9, the first gear 22 is meshed with the second gear 23, a sliding plate 11 is slidably connected in the fixed chambers, one side fixedly connected with screw thread seat 10 of sliding plate 11, be equipped with the screw hole in the screw thread seat 10, the one end of threaded shaft 9 extend to in the screw thread hole and with screw hole threaded connection, sliding plate 11's opposite side fixedly connected with second motor 12, the output shaft of second motor 12 extends to one side and the broken head 13 of fixed base 6, fixedly connected with inhales the sound cotton 14 on breaking the top inner wall of frame 4, laminate with pile head main part 1 through making two broken heads 13 mutually, be convenient for break, and broken head 13 can vertical reciprocating motion, can rotate to different angles simultaneously, make to break more comprehensive, inhale the sound cotton 14 and can adsorb the noise, and whole breaking go on in breaking frame 4, the effectual dust and rubble that prevent splashes, cause the injury to the human body.
In this embodiment, lifting unit includes fixed connection at the pneumatic cylinder 18 at base 2 top, and 18 output shafts of pneumatic cylinder and the bottom fixed connection of fixed plate 3, pneumatic cylinder 18 can make to break frame 4 and remove to the outside of pile head main part 1, make pile head main part 1 be located to break frame 4, prevent that dust and rubble from splashing, cause the injury to the human body.
In this embodiment, the rotating assembly includes the circular groove 16 that sets up in fixed plate 3 bottom, fixedly connected with third motor 17 on the top inner wall of circular groove 16, and the output shaft of third motor 17 and the top fixed connection who breaks frame 4 can make and break frame 4 and rotate through third motor 17, and then can make two crushing heads 13 rotate to different angles to can comprehensive breaking.
In this embodiment, two ventilation holes 26 have been seted up to the equal symmetry in both sides of fixing base 6, fixedly connected with filter screen 27 in ventilation hole 26, and ventilation hole 26 can make and keep ventilating in the fixed cavity 7, and the first motor 8 and second motor 12 of being convenient for dispel the heat, have improved the life of device, and filter screen 28 can prevent that external dust from getting into in the fixed cavity 7.
In this embodiment, all seted up spout 15 on the both sides inner wall of abolishing frame 4, one side that two fixing bases 6 kept away from each other respectively with one side inner wall sliding connection that two spout 15 kept away from each other, spout 15 can make fixing base 6 can steady movement, can not take place the offset.
In this embodiment, all be equipped with on the bottom four corners position of base 2 and remove wheel 20, one side fixedly connected with handle 19 of base 2 promotes handle 19, under the effect that removes wheel 20, can make this device remove, has increased the flexibility.
In this embodiment, the top inner wall and the bottom inner wall of the fixed chamber 7 are both provided with a limit groove 24, the top and the bottom of the sliding plate 11 respectively extend into the two limit grooves 24 and are respectively connected with the inner wall of one side of the two limit grooves 24, which are far away from each other, in a sliding manner, and the limit grooves 24 enable the sliding plate 11 to move more smoothly.
In this embodiment, symmetrical threaded connection has two spacing axles 21 on base 2, and the bottom of two spacing axles 21 all extends to base 2's bottom below, rotates two spacing axles 21 downwards, can make two spacing axles 21 insert in the ground to can fix base 2.
In this embodiment, break two gag lever posts 25 of top symmetry fixedly connected with of frame 4, the top of two gag lever posts 25 all rotates with the top inner wall of circular recess 16 to be connected, and gag lever post 25 can make and break frame 4 and rotate more firmly.
In this embodiment, when the pile driver is used, firstly, the handle 19 is pushed, the device can be moved under the action of the moving wheel 20, the device is moved to the side of the pile head main body 1, then the two limiting shafts 21 are rotated downwards, the two limiting shafts 21 are inserted into the ground, the base 2 is fixed, then the power supply is switched on, the hydraulic cylinder 18 is started, the hydraulic cylinder 18 can make the fixed plate 3 move downwards, the fixed plate 3 can make the removing frame 4 move downwards, the pile head main body 1 is positioned in the removing frame 4, then the hydraulic cylinder 18 is closed, the first motor 8 is started, the output shaft of the first motor 8 drives the first gear 22 to rotate, the first gear 22 can make the second gear 23 drive the threaded shaft 9 to rotate, the threaded shaft 9 can make the threaded seat 10 drive the sliding plate 11 to move, the two sliding plates 11 can make the two second motors 12 drive the two removing heads 13 to approach each other, and is jointed with the pile head main body 1.
Two second motors 12 and two electric telescopic rods 5 are started, the two second motors 12 can enable the two crushing heads 13 to rotate, further, the pile head main body 1 can be broken, the two electric telescopic rods 5 can be extended and retracted in a reciprocating way, so that the two crushing heads 13 can move in a reciprocating way in the longitudinal direction, so that the front breaking can be carried out on the two sides of the pile head main body 1, and simultaneously, the third motor 17 can be started, the third motor 17 can rotate the breaking frame 4, thereby enabling the two crushing heads 13 to rotate to different angles, leading to more comprehensive crushing, and the breaking is carried out in the breaking frame 4, the generated dust and gravels can not be splashed out, the harm to the human body is reduced, the sound-absorbing cotton 14 can absorb the generated noise, the ventilation hole 26 can keep the ventilation in the fixed chamber 7, so that the first motor 8 and the second motor 12 can dissipate heat conveniently, and the service life of the whole breaking device is prolonged.
The invention also provides a breaking method of the bridge pile foundation pile head breaking device, which comprises the following steps:
s1, firstly, the device can be moved under the action of the moving wheel 20 by pushing the handle 19, the device is moved to the side of the pile head main body 1, and then the two limiting shafts 21 are rotated downwards, so that the two limiting shafts 21 are inserted into the ground to fix the base 2;
s2, switching on a power supply, starting the hydraulic cylinder 18, enabling the hydraulic cylinder 18 to enable the fixing plate 3 to move downwards, enabling the fixing plate 3 to enable the removing frame 4 to move downwards, enabling the pile head main body 1 to be located in the removing frame 4, and then closing the hydraulic cylinder 18;
s3, starting a first motor 8, wherein an output shaft of the first motor 8 drives a first gear 22 to rotate, the first gear 22 can enable a second gear 23 to drive a threaded shaft 9 to rotate, the threaded shaft 9 can enable a threaded seat 10 to drive sliding plates 11 to move, two sliding plates 11 can enable two second motors 12 to drive two crushing heads 13 to approach each other and be attached to a pile head main body 1, then two second motors 12 and two electric telescopic rods 5 are started, two second motors 12 can enable two crushing heads 13 to rotate, and then the pile head main body 1 can be broken, two electric telescopic rods 5 can be extended and retracted in a reciprocating mode, so that the two crushing heads 13 can move in a reciprocating mode longitudinally, and further the two sides of the pile head main body 1 can be broken in the front, meanwhile, a third motor 17 can be started, the third motor 17 can enable a breaking frame 4 to rotate, and further the two crushing heads 13 can rotate to different angles, make to abolish more comprehensively, and abolish and go on in abolishing frame 4, the dust and the rubble of production can not splash away, have reduced the injury to the human body, inhale sound cotton 14 can adsorb the noise that produces, can make through ventilation hole 26 and keep ventilating in the fixed cavity 7, the first motor 8 and the second motor 12 of being convenient for dispel the heat, have improved the life of device.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.

Claims (10)

1. A bridge pile foundation pile head breaking device comprises a pile head main body (1) and a base (2) and is characterized in that a lifting assembly is arranged at the top of the base (2), a fixing plate (3) is fixedly connected onto the lifting assembly, a rotating assembly is arranged on the fixing plate (3), a breaking frame (4) is fixedly connected onto the rotating assembly, two electric telescopic rods (5) are symmetrically and fixedly connected onto the inner wall of the top of the breaking frame (4), fixing seats (6) are fixedly connected onto the bottom ends of the two electric telescopic rods (5), fixing cavities (7) are arranged on the two fixing seats (6), a first motor (8) is fixedly connected onto the inner wall of one side of each fixing cavity (7), a threaded shaft (9) is connected onto an output shaft of the first motor (8) in a transmission manner, a first gear (22) is sleeved on the output shaft of the first motor (8) in a fixing manner, the fixed cover is equipped with second gear (23) on threaded shaft (9), first gear (22) and second gear (23) mesh mutually, sliding connection has sliding plate (11) in fixed cavity (7), one side fixedly connected with screw thread seat (10) of sliding plate (11), be equipped with the screw hole in screw thread seat (10), the one end of threaded shaft (9) extends to in the screw hole and with screw hole threaded connection, the opposite side fixedly connected with second motor (12) of sliding plate (11), the output shaft of second motor (12) extends to one side and the broken head (13) of fixing base (6), it inhales sound cotton (14) to abolish fixedly connected with on the top inner wall of frame (4).
2. The bridge pile foundation pile head breaking device according to claim 1, wherein the lifting assembly comprises a hydraulic cylinder (18) fixedly connected to the top of the base (2), and an output shaft of the hydraulic cylinder (18) is fixedly connected to the bottom of the fixing plate (3).
3. The bridge pile foundation pile head breaking device according to claim 1, wherein the rotating assembly comprises a circular groove (16) formed at the bottom of the fixing plate (3), a third motor (17) is fixedly connected to the inner wall of the top of the circular groove (16), and an output shaft of the third motor (17) is fixedly connected to the top of the breaking frame (4).
4. The bridge pile foundation pile head breaking device according to claim 1, wherein two ventilation holes (26) are symmetrically formed in both sides of the fixing seat (6), and a filter screen (27) is fixedly connected in each ventilation hole (26).
5. The device for breaking the pile head of the bridge pile foundation according to claim 1, wherein the inner walls of the two sides of the breaking frame (4) are respectively provided with a sliding groove (15), and one side of the two fixed seats (6) away from each other is respectively connected with the inner wall of one side of the two sliding grooves (15) away from each other in a sliding manner.
6. The bridge pile foundation pile head breaking device according to claim 1, wherein the four corners of the bottom of the base (2) are provided with moving wheels (20), and a handle (19) is fixedly connected to one side of the base (2).
7. The bridge pile foundation pile head breaking device according to claim 1, wherein the fixing chamber (7) is provided with a top inner wall and a bottom inner wall with limiting grooves (24), and the top and bottom parts of the sliding plate (11) respectively extend into the two limiting grooves (24) and are respectively connected with the inner wall of one side of the two limiting grooves (24) away from each other in a sliding manner.
8. The bridge pile foundation pile head breaking device according to claim 1, wherein two limiting shafts (21) are symmetrically and threadedly connected to the base (2), and bottom ends of the two limiting shafts (21) extend to a position below the bottom of the base (2).
9. The bridge pile foundation pile head breaking device according to claim 1, wherein two limiting rods (25) are symmetrically and fixedly connected to the top of the breaking frame (4), and the top ends of the two limiting rods (25) are rotatably connected with the inner wall of the top of the circular groove (16).
10. A method for breaking a bridge pile foundation pile head is characterized by comprising the following steps:
s1, firstly, the device is moved to the side of the pile head main body (1) under the action of the moving wheel (20) by pushing the handle (19), and then the two limiting shafts (21) are rotated downwards, so that the two limiting shafts (21) are inserted into the ground to fix the base (2);
s2, switching on a power supply, starting the hydraulic cylinder (18), enabling the fixed plate (3) to move downwards by the hydraulic cylinder (18), enabling the breaking frame (4) to move downwards by the fixed plate (3), enabling the pile head main body (1) to be located in the breaking frame (4), and then closing the hydraulic cylinder (18);
s3, starting a first motor (8), wherein an output shaft of the first motor (8) drives a first gear (22) to rotate, the first gear (22) enables a second gear (23) to drive a threaded shaft (9) to rotate, the threaded shaft (9) enables a threaded seat (10) to drive sliding plates (11) to move, the two sliding plates (11) enable two second motors (12) to drive two crushing heads (13) to approach each other and to be attached to a pile head main body (1), then starting the two second motors (12) and two electric telescopic rods (5), the two second motors (12) enable the two crushing heads (13) to rotate, further the pile head main body (1) is broken, the two electric telescopic rods (5) are extended and retracted in a reciprocating mode, the two crushing heads (13) can move in a reciprocating mode longitudinally, the two sides of the pile head main body (1) are broken in the front direction, and a third motor (17) is started simultaneously, the third motor (17) makes the breaking frame (4) rotate, and then makes two crushing heads (13) rotate to different angles, so that the breaking is more comprehensive, and the breaking is performed in the breaking frame (4), and the produced dust and crushed stones cannot splash away.
CN202010829287.4A 2020-08-18 2020-08-18 Bridge pile foundation pile head breaking device and method Pending CN111962512A (en)

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