CN113737795A - Pile embracing type pile pulling device of pile driving and pulling machine - Google Patents
Pile embracing type pile pulling device of pile driving and pulling machine Download PDFInfo
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- CN113737795A CN113737795A CN202111124837.3A CN202111124837A CN113737795A CN 113737795 A CN113737795 A CN 113737795A CN 202111124837 A CN202111124837 A CN 202111124837A CN 113737795 A CN113737795 A CN 113737795A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 77
- 239000010959 steel Substances 0.000 claims abstract description 77
- 238000000034 method Methods 0.000 abstract description 11
- 230000008093 supporting effect Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
- E02D9/02—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof by withdrawing
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Abstract
A pile embracing type pile pulling device of a pile driving and pulling machine belongs to the pile driving and pulling machine. The method comprises the following steps: the pile gripper comprises a lifter, a main support, a pile gripper and a connecting flange; the lifter is connected to the bracket; one end of the pile gripper is connected with the lifter, and the other end of the pile gripper is in lap joint with the pile; the connecting flange is connected to the main bracket and is used for being connected with a sliding plate of the pile driver; the pile gripper is wound on the lifter in a spanning mode through a steel wire rope, and the pile gripper is sleeved on the pile rod. The pile gripper is pile gripper formula pile gripper, includes: the pile gripper comprises a cylindrical pile gripper, a rectangular pile gripper, an I-shaped steel pile gripper and a channel steel pile gripper. The advantages are that: the pile pulling efficiency is high; the pile pipe with the height larger than the stroke of the lifting oil cylinder can be pulled out; the problem that pile pulling fails due to the fact that a guardrail pile pipe is broken by support cannot occur in the pile pulling process; the pile pulling device automatically falls along with the sliding plate of the pile driving and pulling integrated machine, and the sliding plate only has a supporting function on the pile pulling device and cannot cause the pile driving and pulling integrated machine to incline; the vibration is small, the damage to the pile machine is small, and the service life of the pile machine is prolonged; the noise is low when the device works.
Description
Technical Field
The invention relates to a pile driving and pulling machine, in particular to a pile embracing type pile pulling device of the pile driving and pulling machine.
Background
At present, people use the pile driving and pulling integrated machine to carry out pile driving or pile pulling on the guardrail pile, and a component acting on pile driving or pile pulling in the pile driving and pulling integrated machine is a pile driving and pulling head.
Chinese patent "pile extractor of pile driver" patent number: 2020215306701, respectively; the pile pulling device disclosed in fig. 20 and 21 includes: the lifting device, the main support, the pile gripper and the connecting flange 7; the lifter is connected to the bracket; one end of the pile gripper is connected with the lifter, and the other end of the pile gripper is in lap joint with the pile; the connecting flange 7 is connected on the main support and is used for being connected with a sliding plate of the pile driver.
The pile gripper is an internal expanding pipe type and comprises: 1-9 parts of a taper shaft, 1-10 parts of an expansion sleeve, 1-3 parts of a U-shaped pin ring and 1-8 parts of an O-shaped ring; the inner hole of the expansion sleeve 1-10 has a taper, the taper shaft 1-9 penetrates into the inner hole of the expansion sleeve 1-10, and the taper of the inner hole of the expansion sleeve 1-10 corresponds to the taper shaft 1-9; the upper part of the taper shaft 1-9 is a straight rod, the end part of the straight rod is provided with a hole, the hole of the straight rod is connected with the U-shaped pin ring 1-3 through an O-shaped ring 1-8 in a buckled manner, a pin shaft is arranged at the opening of the U-shaped pin ring 1-3, and one end of a steel wire rope 8 of the lifter is sleeved on the pin shaft of the U-shaped pin ring 1-3.
When the pile pulling device pulls the pile, the taper shaft 1-9 of the pile gripper penetrates into the inner hole of the expansion sleeve 1-10, the expansion sleeve 1-10 is inserted into the inner hole of the guardrail pile 1-12 pipe, the lifting oil cylinder moves upwards to generate pulling force, the taper shaft 1-9 moves upwards, as the taper of the inner hole of the expansion sleeve 1-10 corresponds to the taper shaft 1-9, the expansion sleeve 1-10 is not less than two, the external taper of the taper shaft 1-9 acts on the internal taper of the inner hole of the expansion sleeve 1-10, the expansion sleeve 1-10 cracks and expands, the expansion sleeve 1-10 which cracks and expands tightly supports on the inner wall of the guardrail pile pipe, the expansion sleeve 1-10 is restrained by the wall of the guardrail pile, the taper shaft 1-9 and the expansion sleeve 1-10 are more tightened under the action of the upward movement force of the lifting oil cylinder, the expansion force of the inner hole generated by the expansion sleeve 1-10 acts on the guardrail pile pipe, the pile gripper and the guardrail pile pipe form a whole, and the lifting oil cylinder continuously moves upwards to pull out the guardrail pile from the ground.
The pile gripper of the pile pulling device has the following defects: when the pile pulling device pulls the pile, the situation often occurs, when the firmness of the guardrail pile tube 1-12 penetrating into the ground is greater than the external expansion bearing capacity of the wall of the guardrail pile tube 1-12, the external expansion force acting on the expansion sleeve 1-10 is continuously increased, finally the expansion sleeve 1-10 breaks the guardrail pile tube, and the guardrail pile tube 1-12 is still not pulled out from the ground, so that the pile pulling failure is caused.
Disclosure of Invention
The invention aims to provide a pile embracing type pile pulling device of a pile driving and pulling machine, which solves the problem that when the existing pile pulling device works, when the firmness of a guardrail pile tube is greater than the outer expansion bearing capacity of the wall of the guardrail pile tube, a pile embracing device breaks the guardrail pile tube.
The purpose of the invention is realized as follows: pile pulling device includes: the pile gripper comprises a lifter, a main support, a pile gripper and a connecting flange; the lifter is connected to the bracket; the connecting flange is connected to the main bracket and is used for being connected with a sliding plate of the pile driver; the pile gripper is wound on the lifter in a spanning mode through a steel wire rope, and the pile gripper is sleeved on the pile rod.
The pile gripper is pile gripper type pile gripper, including: the pile gripper comprises a cylindrical pile gripper, a rectangular pile gripper, an I-shaped steel pile gripper and a channel steel pile gripper.
Cylindrical pile embracing pile ware, rectangle stake embracing pile ware, I-shaped steel pile embracing pile ware and channel-section steel pile embracing pile ware all include: pile pulling inner shrinkage sleeve and inner shrinkage sleeve outer hoop; the pile pulling inner shrinkage sleeve is arranged in the inner shrinkage sleeve outer hoop, and the inner shrinkage sleeve outer hoop restrains the pile pulling inner shrinkage sleeve; the center of the pile pulling inner shrinkage sleeve is provided with a hole.
The pile pulling internal shrinkage sleeve comprises: the sleeve contracting sheet, the sleeve contracting handle and the anti-skid groove; the shrink sleeve sheet is one or more sheets; when the shrink sleeve pieces are a plurality of pieces, the shrink sleeve pieces are connected end to form a closed sleeve; the upper ends of the sleeve shrinking sheets are connected with sleeve shrinking handles, the size of the upper ends of the sleeve shrinking sheets is larger than that of the lower ends of the sleeve shrinking sheets, and the cross section of each sleeve shrinking sheet is wedge-shaped; the inner surface of the shrink sleeve sheet contacting with the pile rod is a straight surface, an anti-skid groove is arranged on the inner surface, and the back surface is an inclined surface.
The pile gripper for cylindrical piles has more than two shrinkage pieces, circular arc-shaped inner surfaces and circular arc-shaped back surfaces, the circular arc-shaped pieces are connected end to form a cylindrical sleeve, and the inner diameter of the cylindrical sleeve is smaller than the outer diameter of a cylindrical pile pipe.
The pile gripper for the rectangular piles is characterized in that the shrinkage piece is larger than two pieces, preferably four pieces, the outer surface of the pile gripper is an arc piece, the inner surface of the pile gripper is a plane, the planes are connected end to form a rectangular cylinder sleeve, and the rectangular cylinder sleeve is internally provided with an external control size of the small-size rectangular pile.
The sleeve contracting sheet of the I-shaped steel pile embracing device is divided into two sheets, and the inner surface and the back surface are planes.
The shrinkage sheet of the channel steel pile embracing pile device is one piece, and the inner surface and the back surface are planes.
The outer hoop of the inner shrink sleeve comprises: a taper sleeve is retracted; the inner-shrinkage taper sleeve is a closed-loop sleeve, and the center of the inner-shrinkage taper sleeve is an inner-shrinkage taper hole; the inner wall of the inner shrinkage taper hole is provided with a taper surface, and the taper surface corresponds to the taper of the wedge shape of the shrinkage sheet; the size diameter of the upper end of the inner wall is larger than that of the lower end of the inner wall; the outer wall of the inner tapered sleeve is connected with at least two outer connecting plates.
The inner walls of the shrinkage piece holes of the internal shrinkage taper sleeves of the cylindrical pile embracing device and the rectangular pile embracing device are circular truncated cone-shaped taper surfaces.
The shrinkage sleeve sheet hole of the inner shrinkage taper sleeve of the I-shaped steel pile embracing device is a rectangular hole with the size similar to that of the outer edge of the I-shaped steel pile, two corresponding side surfaces of the rectangular hole are provided with taper surfaces, and the taper surfaces correspond to the taper of the shrinkage sleeve sheet of the I-shaped steel pile puller.
The shrinkage sleeve sheet hole of the internal shrinkage taper sleeve of the channel steel pile embracing pile device is a rectangular hole with the similar size to that of the channel steel pile, one side surface in the rectangular hole is provided with a taper surface, and the taper surface corresponds to the taper of the shrinkage sleeve sheet of the channel steel pile puller.
The outer walls of the inner tapered sleeves of the cylindrical pile gripper and the rectangular pile gripper are cylindrical; the pile-shrinking taper sleeve outer walls of the I-shaped steel pile embracing device and the channel steel pile embracing device are rectangular or cylindrical.
The outer connecting plate include: the outer fixing plate is provided with a connecting hole.
The outer connecting plate include: the outer hook plate is provided with a connecting hook.
The lifter include: the lifting oil cylinder, the lifting beam and the steel wire rope are arranged; the pile gripper comprises two lifting oil cylinders, a lifting beam is connected between the upper ends of telescopic shafts of the two lifting oil cylinders, a steel wire rope is wound on the lifting beam in a spanning mode, and the steel wire rope hanging down from the lifting beam is connected with a pile gripper; the steel wire rope is a closed loop rope loop, or two closed loop rope loops are respectively arranged at two ends of the steel wire rope; the lifting oil cylinder is connected with a hydraulic station integrating pile driving and pile pulling through a hydraulic pipeline.
The lifting beam is an axial lifting beam; or a plate-shaft type lifting beam; or a box-type lifting beam; or a plate-type lifting beam.
The shaft type lifting beam is a cylindrical shaft, and two ends of the cylindrical shaft are respectively inserted into holes in the upper end of the lifting oil cylinder.
The plate-axle lifting beam comprises: a lifting beam plate, a shaft clamp and a lifting shaft; the middle position of the lifting beam plate is provided with a hole with the size larger than the outer diameter of the pile rod, the lifting beam plates at the two sides of the hole are provided with shaft clamps, the shaft clamps are connected with lifting shafts, the lifting beam plates below the lifting shafts are provided with steel wire rope holes, and the shaft clamps are bridged at the two sides of the steel wire rope holes; and a connecting hole connected with the lifting oil cylinder is formed in the lifting beam plate.
The box-type lifting beam comprises: the lifting beam comprises a lifting beam upper, a lifting beam plate, a shaft clamp and a lifting shaft; the edge of the lifting beam plate is provided with a lifting beam upper and is connected with the lifting beam plate into a whole to form a box-type lifting beam; a hole with the size larger than that of the outer edge of the pile rod is arranged in the middle of the box type lifting beam, shaft clamps are arranged on the lifting beam plates on the two sides of the hole, a lifting shaft is connected to the shaft clamps, a steel wire rope hole is arranged on the lifting beam plate below the lifting shaft, and the shaft clamps are bridged on the two sides of the steel wire rope hole; and a connecting hole connected with the lifting oil cylinder is formed in the lifting beam plate.
The plate-type lifting beam comprises: the lifting beam plate, the lifting shaft and the lifting shaft lifting lug; a hole with the size larger than that of the outer edge of the pile rod is arranged in the middle of the lifting beam plate, lifting shaft lifting lugs are arranged on the bottom surfaces of the lifting beam plate on the two sides of the hole, and a lifting shaft is connected to the lifting shaft lifting lugs; and a connecting hole connected with the lifting oil cylinder is formed in the lifting beam plate.
The total frame includes: the oil cylinder hoop comprises a bracket, an upper flange, a lower flange and an oil cylinder hoop; the upper end and the lower end of the bracket are respectively connected with an upper flange and a lower flange; one end of a lifting oil cylinder of the lifter is arranged on the lower flange, and the other end of the lifting oil cylinder of the lifter is fixed on the upper flange through an oil cylinder hoop.
The total frame includes: the device comprises a bracket, an upper fixing plate and a lower flange; the lower end of the bracket is connected with a lower flange, the lower end of a lifting oil cylinder of the lifter is installed on the lower flange, and the upper part of the lifting oil cylinder of the lifter is fixed on an upper fixing plate.
The pile pulling device is arranged on the sliding plate of the pile driving and pulling integrated machine, when the pile driving and pulling integrated machine lifts the sliding plate, the pile pulling device rises together with the sliding plate to leave the ground, when the pile driving and pulling integrated machine runs to a position where pile pulling is needed, the sliding plate is released, and the sliding plate is in a free state on the running track of the pile driving and pulling integrated machine; after the pile pulling device is stably grounded, the sliding plate only has a supporting function on the pile pulling device.
In the pile pulling process, when the ground where the lifting oil cylinder is located cannot be enough to support the lifting oil cylinder, the pile pulling device automatically falls along with the sliding plate of the pile driving and pulling integrated machine, and the sliding plate only has a supporting effect on the pile pulling device, so that the pile driving and pulling integrated machine cannot be inclined.
When pile pulling, the pile pulling inner shrink sleeve and the inner shrink sleeve outer hoop of the pile gripper are sleeved on the outer wall of the pile pipe. The lifting oil cylinder moves upwards to generate pulling force on the inner shrink sleeve outer hoop of the pile gripper, the inner shrink sleeve of the pile gripper applies pretightening force to the inner shrink sleeve of the pile pulling under the action of two corresponding conical surfaces, the inner shrink sleeve is composed of a plurality of pieces, the inner diameter of the inner shrink sleeve formed by connecting the pile pulling inner shrink sleeve end to end is smaller than the outer diameter of the pile pipe, when the inner shrink sleeve outer hoop is initially sleeved on the outer wall of the pile pipe, the pile pulling inner shrink sleeve formed by the pile pulling inner shrink sleeve ends to end is not connected, the lifting oil cylinder moves upwards continuously to pull the inner shrink sleeve outer hoop upwards, the inner shrink sleeve outer hoop contracts the inner diameter of the inner shrink sleeve under the action of the conical surfaces to tightly hold the pile pipe, the pile pulling inner shrink sleeve and the pile pulling pipe do not slip due to the anti-slip groove on the inner wall of the pile pulling inner shrink sleeve straight cylinder, the pile pipe is continuously locked by the pile pulling inner shrink sleeve, the lifting oil cylinder continuously moves upwards, and when the locking force of the pile pulling inner shrink sleeve to the pile pipe is greater than the fixing force of the pile pipe on the ground, the pile rod is pulled out from the ground.
When the height of the pile pipe is larger than the stroke height of the lifting oil cylinder, a box type lifting beam or a plate type lifting beam is adopted; after the pile pipe is pulled up to a certain height, the lifting oil cylinder falls back, the pile gripper on the pile pipe moves towards the lower part of the pile pipe, the lifting oil cylinder is restarted, and the pile pulling process is repeated.
The pile pulling process that the height of the pile pipe is larger than the stroke of the lifting oil cylinder depends on that two side surfaces of the pile embracing device must apply upward pulling force simultaneously, and the middle pulling force applied to the pile pulling taper rod in the prior art cannot realize the pile pulling process that the height of the pile pipe is larger than the stroke of the lifting oil cylinder.
The pile pulling device solves the problem that when the firmness of the guardrail pile pipe is greater than the outer expansion bearing capacity of the guardrail pile pipe wall when the existing pile pulling device works, the pile gripper breaks the guardrail pile pipe, and the aim of the invention is achieved.
The advantages are that: 1. the pile pulling efficiency is high; 2. the pile pipe with the height larger than the stroke of the lifting oil cylinder can be pulled out; 3. the problem that pile pulling fails due to the fact that a guardrail pile pipe is broken by support cannot occur in the pile pulling process; 4. the pile pulling device automatically falls along with the sliding plate of the pile driving and pulling integrated machine, and the sliding plate only has a supporting function on the pile pulling device and cannot cause the pile driving and pulling integrated machine to incline; 5. the vibration is small, the damage to the pile machine is small, and the service life of the pile machine is prolonged; 6. the noise is low when the device works.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a side view schematic of the structure of fig. 1.
Fig. 3 is a schematic perspective view of the cylindrical pile gripper of the present invention.
Fig. 4 is a schematic sectional structure view of the inner shrink sleeve outer hoop of the present invention.
Fig. 5 is a schematic perspective view of the shrink sleeve of the cylindrical pile embracing device of the present invention.
FIG. 6 is a schematic view of the combination of the axle lift beam, lift cylinder and upper flange of the present invention.
Fig. 7 is a schematic view of the construction of the plate-axle type lifting beam of the present invention.
Fig. 8 is a schematic view of the box lift beam construction of the present invention.
Fig. 9 is a schematic view of the construction of the plate-type lifting beam of the present invention.
Fig. 10 is a schematic perspective view of a rectangular pile embracing device according to the present invention.
Fig. 11 is a schematic perspective view of the rectangular inner-shrinkage sleeve outer hoop I-shaped steel pile embracing device.
Fig. 12 is a schematic perspective view of the cylindrical inner shrink sleeve outer hoop i-steel pile embracing device.
Fig. 13 is a schematic perspective view of the channel steel pile embracing device of the present invention.
Fig. 14 is a schematic perspective view of a rectangular inner shrinkable sleeve outer hoop and a channel steel pile embracing device with two shrinkable sleeve sheets.
Fig. 15 is a schematic perspective view of a channel steel pile embracing device with a cylindrical inner shrink sleeve outer hoop and two shrink sleeve sheets.
Fig. 16 is a schematic cross-sectional view of a second embodiment of a pile gripper according to the present invention.
FIG. 17 is a schematic structural view of a second embodiment of a fixed connection of the lift cylinder according to the present invention.
Fig. 18 is a schematic view of the present invention applied to a pile driver.
Fig. 19 is a schematic view of the present invention applied to a new pile driver.
Fig. 20 is a schematic structural diagram of a pile gripper device integrated with pile driving and pulling in the prior art.
Fig. 21 is a side view schematic of the structure of fig. 20.
In the figure, 1, a cylinder is lifted; 2. a support; 3. an upper flange; 3-1, fixing the plate; 4. a lower flange; 5. an oil cylinder hoop; 6. a lifting beam; 6-1, an axial lifting beam; 6-2, a box type lifting beam; 6-2-1, lifting the beam upper; 6-2-2, lifting beam plates; 6-2-3, shaft clamp; 6-2-4, a lifting shaft; 6-2-5 and lifting shaft lifting lugs.
7. A connecting flange; 8. a wire rope; 9. connecting an earring; 10. pile pulling and internal shrinkage; 11. the inner shrink sleeve is an outer hoop.
10-1, shrinking a sleeve sheet; 10-2, a telescopic handle; 10-3, an anti-slip groove; 11-1, an outer fixing plate; 11-2, connecting holes; 11-3, an inner tapered sleeve; 11-4, an outer hook plate; 11-5 and a connecting hook.
20. A column; 21. a column lifting cylinder 22 and a column vertical cylinder; 23. a pressing arm; 24. a water radiator; 25. an oil radiator; 26. a multi-way operational valve; 27. an engine.
1-1, a hydraulic hammer; 1-2, hydraulic hammer clamping plates; 1-3, a U-shaped pin ring; 1-4, pile pulling; 1-5, pile plate pin pulling; 1-6, bolts; 1-7, drill rod; 1-8, O-rings; 1-9, pile pulling conical rods; 1-10, pile pulling taper sleeves; 1-11, a pin; 1-12, guardrail piles; 1-13, hammer positioning plate; 1-14 and a sliding plate.
Detailed Description
Example 1: pile pulling device includes: the pile gripper comprises a lifter, a main support, a pile gripper and a connecting flange; the lifter is connected to the bracket; the connecting flange is connected to the main bracket and is used for being connected with a sliding plate of the pile driver;
the pile gripper is wound on the lifter in a spanning mode through a steel wire rope, and the pile gripper is sleeved on the pile rod.
The pile gripper is a cylindrical pile gripper, and comprises: pile pulling inner shrink sleeve 10 and inner shrink sleeve outer hoop 11; the pile pulling inner shrinkage sleeve 10 is arranged in the inner shrinkage sleeve outer hoop 11, and the inner shrinkage sleeve outer hoop 11 restrains the pile pulling inner shrinkage sleeve 10; the center of the pile pulling inner shrinkage sleeve 10 is provided with a hole.
The pile pulling internal shrinkage sleeve 10 comprises: the sleeve contracting sheet 10-1, the sleeve contracting handle 10-2 and the anti-skid groove 10-3; the sleeve contracting sheet 10-1 is larger than the two arc-shaped sheets, the arc-shaped sheets are connected end to form a cylindrical sleeve, and the inner diameter of the cylindrical sleeve is smaller than the outer diameter of the pile pipe; the inner wall of the cylindrical sleeve is a straight cylinder, and the inner wall of the straight cylinder is provided with an anti-skid groove 10-3; the outer wall of the cylindrical sleeve is conical, the outer diameter of the lower end of the cylindrical sleeve is smaller than that of the upper end of the cylindrical sleeve, the upper end of each sleeve shrinking sheet 10-1 is connected with a sleeve shrinking handle 10-2, and the sleeve shrinking handle 10-2 is straight-handle-shaped, hook-shaped or circular.
The inner shrink sleeve outer hoop 11 comprises: a taper sleeve 11-3 is retracted; the inner tapered sleeve 11-3 is a closed-loop sleeve, and the center of the inner tapered sleeve is provided with an inner tapered hole; the inner wall of the inner shrinkage taper hole is provided with a taper surface, and the taper surface corresponds to the wedge-shaped taper of the shrinkage sheet 10-1; the size diameter of the upper end of the inner wall is larger than that of the lower end of the inner wall; the outer wall of the inner tapered sleeve 11-3 is connected with at least two outer connecting plates.
The outer connecting plate include: the outer fixing plate 11-1 is provided with a connecting hole 11-2 on the outer fixing plate 11-1.
In fig. 3, the sleeve contracting sheet 10-1 of the cylindrical pile gripper is larger than two sheets, the inner surface and the back surface are both arc-shaped, the arc-shaped sheets are connected end to form a cylindrical sleeve, and the inner diameter of the cylindrical sleeve is smaller than the outer diameter of the cylindrical pile pipe.
The inner walls of shrinkage sleeve sheet holes of the internal shrinkage taper sleeves 11-3 of the cylindrical pile embracing device and the rectangular pile embracing device are circular truncated cone-shaped taper surfaces.
In the manufacturing and using processes of the pile embracing device, the pile pulling inner shrinkable sleeve 10 embedded in the inner shrinkable sleeve outer hoop 11 adopts three or 4 shrinkable sleeve sheets 10-1, and when the pile pulling inner shrinkable sleeve is more than 4, the pile embracing device still has the pile embracing effect, so that the working efficiency of inserting the shrinkable sleeve sheets 10-1 is only influenced. All shrink sleeve pieces 10-1 adopted by the pile pulling inner shrink sleeve 10 are movably inserted into an inner shrink sleeve outer hoop 11 to form the pile pulling inner shrink sleeve 10; or a part of shrinkage sleeve sheets 10-1 of the pile pulling inner shrinkage sleeve 10 and the inner shrinkage sleeve outer hoop 11 are welded into a whole, and the part of shrinkage sleeve sheets 10-1 are movably inserted into the inner shrinkage sleeve outer hoop 11 to form the pile pulling inner shrinkage sleeve 10; or the partial shrink sleeve sheet 10-1 and the inner shrink sleeve outer hoop 11 of the pile gripper are integrated into a whole in other modes, and the partial shrink sleeve sheet 10-1 is movably inserted into the inner shrink sleeve outer hoop 11 to form the pile pulling inner shrink sleeve 10.
The lifter include: the lifting oil cylinder 1, the lifting beam 6 and the steel wire rope 8; the pile gripper is characterized in that the number of the lifting oil cylinders 1 is two, a lifting beam 6 is connected between the upper ends of telescopic shafts of the two lifting oil cylinders 1, a steel wire rope 8 is bridged on the lifting beam 6, and the steel wire rope 8 hanging from the lifting beam 6 is connected with a pile gripper.
In fig. 7, the lifting beam 6 is a plate-axle type lifting beam including: the lifting beam plate 6-2-2, the shaft clamp 6-2-3 and the lifting shaft 6-2-4; a hole which is larger than the outer size of the pile rod is arranged in the middle of the lifting beam plate 6-2-2, a shaft clamp 6-2-3 is arranged on the lifting beam plate 6-2-2 on the two sides of the hole, a lifting shaft 6-2-4 is connected on the shaft clamp 6-2-3, a steel wire rope hole is arranged on the lifting beam plate 6-2-2 below the lifting shaft 6-2-4, and the shaft clamp 6-2-3 is bridged on the two sides of the steel wire rope hole; the lifting beam plate 6-2-2 is provided with a connecting hole connected with the lifting oil cylinder.
Two closed-loop rope rings are respectively arranged at two ends of the steel wire rope 8, and the number of the closed-loop rope rings is two; the rope ring is wound on the lifting shaft 6 in a spanning mode, the connecting earrings 9 are hung on the two closed-loop rope rings, and the lower ends of the two connecting earrings 9 are connected to connecting holes 11-2 in the outer fixing plates 11-1 on the two side surfaces of the pile gripper through pin shafts respectively; the lifting oil cylinder 1 is connected with a hydraulic station integrating pile driving and pile pulling through a hydraulic pipeline.
The total frame includes: the device comprises a bracket 2, an upper flange 3, a lower flange 4 and an oil cylinder hoop 5; the upper end and the lower end of the bracket 2 are respectively connected with an upper flange 3 and a lower flange 4; the lifting oil cylinder 1 of the lifter is arranged on the lower flange 4, and the other end of the lifting oil cylinder 1 of the lifter is fixed on the upper flange 3 through an oil cylinder hoop 5.
Example 2: in fig. 16, the outer connecting plate includes: the outer hook plate 11-4 is provided with a connecting hook 11-5 on the outer hook plate 11-4. The steel wire rope 8 is a closed loop rope ring and is bridged on the lifting shaft, and the closed loop rope ring hanging down from the lifting shaft is respectively hung on the connecting hooks 11-5 of the outer hook plates 11-4 at the two sides of the pile embracing device.
The rest is the same as example 1.
Example 3: in fig. 10, the pile gripper is a rectangular pile gripper, the number of shrink sleeve pieces 10-1 of the rectangular pile gripper is more than two, preferably four, the outer surface is a circular arc piece, the inner surface is a plane, the planes are connected end to form a rectangular sleeve, and the inner side of the rectangular sleeve is controlled by the outer control size of a small-size rectangular pile.
The inner shrink sleeve outer hoop 11 comprises: a taper sleeve 11-3 is retracted; the inner tapered sleeve 11-3 is a closed-loop sleeve, and the center of the inner tapered sleeve is provided with an inner tapered hole; the inner wall of the inner shrinkage taper hole is provided with a taper surface, and the taper surface corresponds to the wedge-shaped taper of the shrinkage sheet 10-1; the size of the upper end of the inner wall is larger than that of the lower end of the inner wall; the outer wall of the inner tapered sleeve 11-3 is connected with at least two outer connecting plates.
In the manufacturing and using processes of the pile embracing device, the pile pulling inner shrinkable sleeve 10 embedded in the inner shrinkable sleeve outer hoop 11 adopts two or 4 shrinkable sleeve sheets 10-1; when four shrinkage pieces 10-1 are adopted, each shrinkage piece 10-1 is a pile pulling internal shrinkage sleeve 10 formed by four straight edges of a rectangle; or each shrink sleeve piece 10-1 is a pile pulling inner shrink sleeve 10 formed by combining four rectangular shrink sleeves. When the shrinkage sheet 10-1 adopts four sheets, the shrinkage sheet 10-1 can be a pile pulling internal shrinkage sleeve 10 formed by combining two rectangular straight angles; or the shrinkage piece 10-1 can be a pile pulling internal shrinkage sleeve 10 which is formed by dividing a rectangle into two grooves.
When more than 4 pieces are adopted, the pile-embracing effect is still achieved, and thus the working efficiency of the inserting shrinkage sleeve piece 10-1 is only influenced. All shrink sleeve pieces 10-1 adopted by the pile pulling inner shrink sleeve 10 are movably inserted into an inner shrink sleeve outer hoop 11 to form the pile pulling inner shrink sleeve 10; or a part of shrinkage sleeve sheets 10-1 of the pile pulling inner shrinkage sleeve 10 and the inner shrinkage sleeve outer hoop 11 are welded into a whole, and the part of shrinkage sleeve sheets 10-1 are movably inserted into the inner shrinkage sleeve outer hoop 11 to form the pile pulling inner shrinkage sleeve 10; or the partial shrink sleeve sheet 10-1 and the inner shrink sleeve outer hoop 11 of the pile gripper are integrated into a whole in other modes, and the partial shrink sleeve sheet 10-1 is movably inserted into the inner shrink sleeve outer hoop 11 to form the pile pulling inner shrink sleeve 10.
The rest is the same as example 1.
Example 4: in fig. 11, the pile gripper is an i-shaped steel pile gripper, the sleeve contracting sheet 10-1 of the i-shaped steel pile gripper is two, and the inner surface is a plane and the back surface is an inclined surface. The inner surface is provided with an anti-skid groove 10-3 which is attached to the middle beam surface of the I-shaped steel pile.
The outer end of the inner contracting taper sleeve 11-3 of the I-shaped steel pile embracing device is a rectangular inner contracting sleeve outer hoop; the shrinkage sleeve sheet hole of the internal shrinkage taper sleeve 11-3 is a rectangular hole with the size similar to that of the outer edge of the I-shaped steel pile, two corresponding side surfaces of the rectangular hole are provided with inclined planes, and the inclined planes correspond to the inclined planes of the shrinkage sleeve sheet 10-1 of the I-shaped steel pile puller.
In the manufacturing and using processes of the pile embracing device, sleeve shrinking sheets 10-1 of the pile pulling inner shrinkable sleeve 10 embedded in the inner shrinkable sleeve outer hoop 11 are two, and all sleeve shrinking sheets 10-1 adopted by the pile pulling inner shrinkable sleeve 10 are movably inserted into the inner shrinkable sleeve outer hoop 11 to form the pile pulling inner shrinkable sleeve 10; or a part of shrinkage sleeve sheets 10-1 of the pile pulling inner shrinkage sleeve 10 and the inner shrinkage sleeve outer hoop 11 are welded into a whole, and the part of shrinkage sleeve sheets 10-1 are movably inserted into the inner shrinkage sleeve outer hoop 11 to form the pile pulling inner shrinkage sleeve 10; or the partial shrink sleeve sheet 10-1 and the inner shrink sleeve outer hoop 11 of the pile gripper are integrated into a whole in other modes, and the partial shrink sleeve sheet 10-1 is movably inserted into the inner shrink sleeve outer hoop 11 to form the pile pulling inner shrink sleeve 10.
In fig. 12, the outer end of the inner tapered sleeve 11-3 of the i-shaped steel pile puller is provided with a cylindrical inner tapered sleeve outer hoop.
The rest is the same as example 1.
Example 5: the pile embracing device is a channel steel pile embracing device, and one or two shrinkage sleeve pieces 10-1 of the channel steel pile embracing device are provided.
In FIG. 13, when a shrink sleeve sheet 10-1 is used, the inner surface is a flat surface and the back surface is a slant surface. The inner surface is provided with an anti-skid groove 10-3 which is attached to the bottom surface in the groove of the steel pile.
The shrinkage sleeve piece hole of the internal shrinkage taper sleeve 11-3 of the channel steel pile embracing device is a rectangular hole with the size similar to that of the outer edge of the channel steel pile, and one side surface in the rectangular hole is provided with an inclined surface which corresponds to the inclined surface of the shrinkage sleeve piece 10-1 of the channel steel pile puller.
In FIG. 14, the inner surface is a flat surface and the back surface is a slant surface when the rectangular inner jacket outer hoop or the two-piece shrink fit sheet 10-1 is used, or in FIG. 15, the cylindrical inner jacket outer hoop or the two-piece shrink fit sheet 10-1 is used. The inner surface is provided with an anti-skid groove 10-3, one shrink sleeve piece 10-1 is attached to the groove inner bottom surface of the groove steel pile, and the other shrink sleeve piece 10-1 is attached to the outer wall of the groove inner bottom surface of the groove steel pile.
The shrinkage sheet hole of the internal shrinkage taper sleeve 11-3 of the channel steel pile embracing device is a rectangular hole with the size similar to that of the outer edge of the channel steel pile, two corresponding side surfaces in the rectangular hole are provided with inclined planes, and the inclined planes correspond to the inclined planes of the shrinkage sheet 10-1 of the channel steel pile embracing device.
In the manufacturing and using processes of the pile embracing device, the pile pulling inner shrinkable sleeve 10 embedded in the inner shrinkable sleeve outer hoop 11 adopts one or two shrinkable sleeve sheets 10-1. When two shrinkage pieces 10-1 are adopted, all the shrinkage pieces 10-1 adopted by the pile pulling inner shrinkage sleeve 10 are movably inserted into the inner shrinkage sleeve outer hoop 11 to form the pile pulling inner shrinkage sleeve 10; or a part of shrinkage sleeve sheets 10-1 of the pile pulling inner shrinkage sleeve 10 and the inner shrinkage sleeve outer hoop 11 are welded into a whole, and the part of shrinkage sleeve sheets 10-1 are movably inserted into the inner shrinkage sleeve outer hoop 11 to form the pile pulling inner shrinkage sleeve 10; or the partial shrink sleeve sheet 10-1 and the inner shrink sleeve outer hoop 11 of the pile gripper are integrated into a whole in other modes, and the partial shrink sleeve sheet 10-1 is movably inserted into the inner shrink sleeve outer hoop 11 to form the pile pulling inner shrink sleeve 10.
The rest is the same as example 1.
Example 6: in fig. 6, the lifting beam is a shaft type lifting beam 6-1, the shaft type lifting beam 6-1 is a cylindrical shaft, and two ends of the cylindrical shaft are respectively inserted into holes at the upper end of the lifting oil cylinder 1. The rest is the same as example 1.
Example 7: in fig. 8, the lifting beam is a box-type lifting beam, including: 6-2-1 of a lifting beam, 6-2-2 of a lifting beam plate, 6-2-3 of an axle clamp and 6-2-4 of a lifting axle; the edge of the lifting beam plate 6-2-2 is provided with a lifting beam cap 6-2-1 which is connected with the lifting beam plate 6-2-2 into a whole to form a box type lifting beam; a hole with the size larger than that of the outer edge of the pile rod is arranged in the middle of the box type lifting beam, a shaft clamp 6-2-3 is arranged on the lifting beam plate 6-2-2 on the two sides of the hole, a lifting shaft 6-2-4 is connected on the shaft clamp 6-2-3, a steel wire rope hole is arranged on the lifting beam plate 6-2-2 below the lifting shaft 6-2-4, and the shaft clamp 6-2-3 is bridged on the two sides of the steel wire rope hole; the lifting beam plate 6-2-2 is provided with a connecting hole connected with the lifting oil cylinder. The rest is the same as example 1.
Example 8: in fig. 9, the lifting beam is a plate type lifting beam, which includes: the lifting beam plate 6-2-2, the lifting shaft 6-2-4 and the lifting shaft lifting lug 6-2-5; a hole with the size larger than that of the outer edge of the pile rod is arranged in the middle of the lifting beam plate 6-2-2, lifting shaft lifting lugs 6-2-5 are arranged on the bottom surfaces of the lifting beam plates 6-2-2 on the two sides of the hole, and lifting shafts 6-2-4 are connected to the lifting shaft lifting lugs 6-2-5; the lifting beam plate 6-2-2 is provided with a connecting hole connected with the lifting oil cylinder. The rest is the same as example 1.
Example 9: in fig. 17, the overall frame includes: a bracket 2, an upper fixing plate 3-1 and a lower flange 4; the lower end of the bracket 2 is connected with a lower flange 4, the lower end of a lifting oil cylinder 1 of the lifter is arranged on the lower flange 4, and the upper part of the lifting oil cylinder 1 of the lifter is fixed on an upper fixing plate 3-1. The rest is the same as example 1.
Example 10: in fig. 18, the pile driving and pulling integrated machine includes: the device comprises a stand column 20, a stand column lifting oil cylinder 21, a stand column vertical oil cylinder 22, a lower pressure arm 23, a water radiator 24, an oil radiator 25, a multi-way operating valve 26, an engine 27 and a travelling mechanism; the upright post 20, the upright post lifting oil cylinder 21, the upright post vertical oil cylinder 22, the lower pressure arm 23, the water radiator 24, the oil radiator 25, the engine 27 and the travelling mechanism form a lower pressure arm type pile driving and pulling integrated machine.
A sliding plate is arranged in a rail in an upright post of the pile driving and pulling integrated machine, and a pile pulling device is arranged on the sliding plate of the pile driving and pulling integrated machine and is the same as the pile pulling device in the embodiment 1.
Example 11: in fig. 19, the pile driving and pulling integrated machine includes: the device comprises a vertical column 20, a vertical column lifting oil cylinder 21, a vertical column oil cylinder 22, a water radiator 24, an oil radiator 25, a multi-way operating valve 26, an engine 27 and a travelling mechanism; the upright post 20, the upright post lifting oil cylinder 21, the upright post vertical oil cylinder 22, the water radiator 24, the oil radiator 25, the multi-way operating valve 26, the engine 27 and the travelling mechanism form a pile driving and pulling integrated machine.
A sliding plate is arranged in a rail in an upright post of the pile driving and pulling integrated machine, and a pile pulling device is arranged on the sliding plate of the pile driving and pulling integrated machine and is the same as the pile pulling device in the embodiment 1.
Claims (10)
1. The utility model provides a pile embracing formula pile pulling device of pile driver, characterized by: pile pulling device includes: the pile gripper comprises a lifter, a main support, a pile gripper and a connecting flange; the lifter is connected to the bracket; one end of the pile gripper is connected with the lifter, and the other end of the pile gripper is in lap joint with the pile; the connecting flange is connected to the main bracket and is used for being connected with a sliding plate of the pile driver; the pile gripper is wound on the lifter in a spanning mode through a steel wire rope, and the pile gripper is sleeved on the pile rod.
2. The pile embracing type pile pulling device of the pile driving and pulling machine according to claim 1, which is characterized in that: the pile gripper is pile gripper type pile gripper, including: the pile gripper comprises a cylindrical pile gripper, a rectangular pile gripper, an I-shaped steel pile gripper and a channel steel pile gripper;
cylindrical pile embracing pile ware, rectangle stake embracing pile ware, I-shaped steel pile embracing pile ware and channel-section steel pile embracing pile ware all include: pile pulling inner shrinkage sleeve and inner shrinkage sleeve outer hoop; the pile pulling inner shrinkage sleeve is arranged in the inner shrinkage sleeve outer hoop, and the inner shrinkage sleeve outer hoop restrains the pile pulling inner shrinkage sleeve; the center of the pile pulling inner shrinkage sleeve is provided with a hole.
3. The pile embracing type pile pulling device of the pile driving and pulling machine according to claim 2, which is characterized in that: the pile pulling internal shrinkage sleeve comprises: the sleeve contracting sheet, the sleeve contracting handle and the anti-skid groove; the shrink sleeve sheet is one or more sheets; when the shrink sleeve pieces are a plurality of pieces, the shrink sleeve pieces are connected end to form a closed sleeve; the upper ends of the sleeve shrinking sheets are connected with sleeve shrinking handles, the size of the upper ends of the sleeve shrinking sheets is larger than that of the lower ends of the sleeve shrinking sheets, and the cross section of each sleeve shrinking sheet is wedge-shaped; the inner surface of the shrink sleeve sheet contacting with the pile rod is a straight surface, an anti-skid groove is arranged on the inner surface, and the back surface is an inclined surface.
4. The pile embracing type pile pulling device of the pile driving and pulling machine according to claim 2, which is characterized in that: the outer hoop of the inner shrink sleeve comprises: a taper sleeve is retracted; the inner-shrinkage taper sleeve is a closed-loop sleeve, and the center of the inner-shrinkage taper sleeve is an inner-shrinkage taper hole; the inner wall of the inner shrinkage taper hole is provided with a taper surface, and the taper surface corresponds to the taper of the wedge shape of the shrinkage sheet; the size diameter of the upper end of the inner wall is larger than that of the lower end of the inner wall; the outer wall of the inner tapered sleeve is connected with at least two outer connecting plates.
5. The pile embracing type pile pulling device of the pile driving and pulling machine according to claim 4, which is characterized in that: the outer walls of the inner tapered sleeves of the cylindrical pile gripper and the rectangular pile gripper are cylindrical; the pile-shrinking taper sleeve outer walls of the I-shaped steel pile embracing device and the channel steel pile embracing device are rectangular or cylindrical.
6. The pile embracing type pile pulling device of the pile driving and pulling machine according to claim 4, which is characterized in that: the outer connecting plate include: the outer fixing plate is provided with a connecting hole;
or, the external connection plate comprises: the outer hook plate is provided with a connecting hook.
7. The pile embracing type pile pulling device of the pile driving and pulling machine according to claim 1, which is characterized in that: the lifter include: the lifting oil cylinder, the lifting beam and the steel wire rope are arranged; the pile gripper comprises two lifting oil cylinders, a lifting beam is connected between the upper ends of telescopic shafts of the two lifting oil cylinders, a steel wire rope is wound on the lifting beam in a spanning mode, and the steel wire rope hanging down from the lifting beam is connected with a pile gripper; the steel wire rope is a closed loop rope loop, or two closed loop rope loops are respectively arranged at two ends of the steel wire rope; the lifting oil cylinder is connected with a hydraulic station integrating pile driving and pile pulling through a hydraulic pipeline.
8. The pile embracing type pile pulling device of the pile driving and pulling machine according to claim 7, which is characterized in that: the lifting beam is an axial lifting beam; or a plate-shaft type lifting beam; or a box-type lifting beam; or a plate-type lifting beam.
9. The pile embracing type pile pulling device of the pile driving and pulling machine according to claim 8, which is characterized in that: the plate-axle lifting beam comprises: a lifting beam plate, a shaft clamp and a lifting shaft; the middle position of the lifting beam plate is provided with a hole with the size larger than the outer diameter of the pile rod, the lifting beam plates at the two sides of the hole are provided with shaft clamps, the shaft clamps are connected with lifting shafts, the lifting beam plates below the lifting shafts are provided with steel wire rope holes, and the shaft clamps are bridged at the two sides of the steel wire rope holes; a connecting hole connected with the lifting oil cylinder is formed in the lifting beam plate;
the box-type lifting beam comprises: the lifting beam comprises a lifting beam upper, a lifting beam plate, a shaft clamp and a lifting shaft; the edge of the lifting beam plate is provided with a lifting beam upper and is connected with the lifting beam plate into a whole to form a box-type lifting beam; a hole with the size larger than that of the outer edge of the pile rod is arranged in the middle of the box type lifting beam, shaft clamps are arranged on the lifting beam plates on the two sides of the hole, a lifting shaft is connected to the shaft clamps, a steel wire rope hole is arranged on the lifting beam plate below the lifting shaft, and the shaft clamps are bridged on the two sides of the steel wire rope hole; a connecting hole connected with the lifting oil cylinder is formed in the lifting beam plate;
the plate-type lifting beam comprises: the lifting beam plate, the lifting shaft and the lifting shaft lifting lug; a hole with the size larger than that of the outer edge of the pile rod is arranged in the middle of the lifting beam plate, lifting shaft lifting lugs are arranged on the bottom surfaces of the lifting beam plate on the two sides of the hole, and a lifting shaft is connected to the lifting shaft lifting lugs; and a connecting hole connected with the lifting oil cylinder is formed in the lifting beam plate.
10. The pile embracing type pile pulling device of the pile driving and pulling machine according to claim 1, which is characterized in that: the total frame includes: the oil cylinder hoop comprises a bracket, an upper flange, a lower flange and an oil cylinder hoop; the upper end and the lower end of the bracket are respectively connected with an upper flange and a lower flange; one end of a lifting oil cylinder of the lifter is arranged on the lower flange, and the other end of the lifting oil cylinder of the lifter is fixed on the upper flange through an oil cylinder hoop;
alternatively, the overall rack comprises: the device comprises a bracket, an upper fixing plate and a lower flange; the lower end of the bracket is connected with a lower flange, the lower end of a lifting oil cylinder of the lifter is installed on the lower flange, and the upper part of the lifting oil cylinder of the lifter is fixed on an upper fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111124837.3A CN113737795A (en) | 2021-09-25 | 2021-09-25 | Pile embracing type pile pulling device of pile driving and pulling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111124837.3A CN113737795A (en) | 2021-09-25 | 2021-09-25 | Pile embracing type pile pulling device of pile driving and pulling machine |
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| Publication Number | Publication Date |
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| CN113737795A true CN113737795A (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111124837.3A Pending CN113737795A (en) | 2021-09-25 | 2021-09-25 | Pile embracing type pile pulling device of pile driving and pulling machine |
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| CN1963044A (en) * | 2006-12-06 | 2007-05-16 | 南京路鼎搅拌桩特种技术有限公司 | Construction method for withdrawal of waste pile |
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Effective date of registration: 20240115 Address after: 221112, 200 meters east of the intersection of Minzi Avenue and Zhongshan Road in the Economic Development Zone of Yongqiao District, Xuzhou City, Jiangsu Province Applicant after: XUZHOU WINS CONSTRUCTION MECHANICAL CO.,LTD. Address before: 234000 200m east of the intersection of Minzi Avenue and Zhongshan Road, economic development zone, Yongqiao District, Suzhou City, Anhui Province Applicant before: Suzhou Wansheng Construction Machinery Co.,Ltd. |