CN217128221U - Hydraulic pile gripper for pile driving ship - Google Patents
Hydraulic pile gripper for pile driving ship Download PDFInfo
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- CN217128221U CN217128221U CN202123241611.XU CN202123241611U CN217128221U CN 217128221 U CN217128221 U CN 217128221U CN 202123241611 U CN202123241611 U CN 202123241611U CN 217128221 U CN217128221 U CN 217128221U
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Abstract
The utility model relates to a hydraulic pressure pile gripper for pile driving vessel, including a pair of base, articulated on the base have a cohesion arm two, cohesion arm two and be equipped with flexible hydro-cylinder two between the base of homonymy, the flexible end of flexible hydro-cylinder two is articulated with cohesion arm two, and the cylinder body of flexible hydro-cylinder two is connected with the base rotation through cohesion arm hinge two, and the last articulated arm one that has of cohesion arm two. The utility model discloses an install bolt hydro-cylinder and otic placode subassembly additional, connect or throw off hydraulic pressure pile gripper according to the operating mode demand, the unilateral arm atress in the past has been avoided, the condition that the opposite side does not participate in, can effectively reduce hydraulic system's load, the damage that causes hydraulic system has been alleviateed, the instability under the hydraulic pressure pile gripper locking state under the different work condition in the pile driving operation has been solved simultaneously, can still guarantee boats and ships continuation operation under partial system fault condition, the operation of reliable operation safety has been guaranteed.
Description
Technical Field
The utility model relates to a hydraulic pressure pile gripper technical field especially relates to a hydraulic pressure pile gripper for pile driving ship.
Background
The hydraulic pile gripper is a core device for pile driving barge construction and is mainly used for ensuring the inclination angle positioning of a pile foundation according to construction requirements and smoothing pile sinking in a pile sinking positioning stage.
With the development of the piling ship to the outside sea, the operation sea condition is more and more severe, and the working requirements on the corresponding pile grippers are more and more strict. The requirements on the structural strength, hydraulic cylinders and systems of the pile grippers are also increasing. Meanwhile, the requirements on the safety and redundancy of the system are higher and higher. The problem or the small problem can be avoided as much as possible and the construction can still be smoothly carried out.
The constraint of the pile embracing device of the large pile driving barge applied to the market to the steel pile is realized mainly by controlling the large arm and the small arm of the pile embracing device by a hydraulic system, the condition that a single side arm is stressed and the other side does not participate exists, the form is easily restricted by the hydraulic system, once the system fails or fails, the pile embracing device system fails, and the constraint to the steel pile is lost; because the pile diameter of the steel pile that this ship was suitable for is great, and weight is also heavier than usual model, especially when using the operating mode for pitching up the stake or bowing the stake, the atress condition of pile gripper is comparatively complicated, and the atress is great, so the stability and reliability of system just has proposed higher requirement after the pile gripper is held tightly, consequently changes or optimizes this kind of form and becomes the problem that present pile driving ship hydraulic pressure pile gripper need solve.
Disclosure of Invention
The utility model aims at solving the defects of the prior art and provides a hydraulic pile gripper for a piling ship.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
the utility model provides a hydraulic pressure pile gripper for pile driver, including a pair of base, it has cohesion arm two to articulate on the base, it is equipped with flexible hydro-cylinder two to embrace between the base of arm two and homonymy, the flexible end of flexible hydro-cylinder two is articulated with cohesion arm two, the cylinder body of flexible hydro-cylinder two rotates with the base through cohesion arm hinge two to be connected, it articulates to embrace arm two and has cohesion arm one, it is equipped with flexible hydro-cylinder one to embrace between arm one and the cohesion arm two, the flexible end of flexible hydro-cylinder one is articulated with cohesion arm one, the cylinder body of flexible hydro-cylinder one rotates with cohesion arm two through cohesion arm hinge one, the otic placode subassembly is installed to the one end of keeping away from cohesion arm two on the cohesion arm one, ann has the hydro-cylinder base on one of them otic placode subassembly, ann has the bolt hydro-cylinder on the hydro-cylinder base, be equipped with on another otic placode subassembly and supply hydro-cylinder male trompil.
The first embracing and combining arm is an arc-shaped arm.
And the positioning arms are arranged on the second cohesion arm and the first cohesion arm in a radial mode relative to the cohesion centers of the second cohesion arm and the first cohesion arm.
The ear plate assembly and the corresponding embracing arm I are fixed in a welding mode.
The bolt oil cylinder comprises a cylinder sleeve, a piston rod is arranged in the cylinder sleeve in a sliding mode, one end of the piston rod is fixedly connected with a piston, the piston is in contact with the inner wall of the cylinder sleeve and slides in the cylinder sleeve, a cylinder sleeve withdrawing oil injection cavity is formed by the periphery of the piston rod and the space between the cylinder sleeve, two independent cylinder sleeve ejecting oil injection cavities are arranged in the piston rod along the length direction of the piston rod, the cylinder sleeve ejecting oil injection cavities are communicated with the cylinder sleeve withdrawing oil injection cavity, one end of the piston rod is fixedly connected with an oil cylinder base through a cylinder body welding piece, and an opening communicated with the cylinder sleeve ejecting oil injection cavities is formed in the cylinder body welding piece.
The piston rod is in threaded connection with the piston.
The cylinder body welding piece is detachably connected with the oil cylinder base through bolts and nuts.
The utility model has the advantages that: the utility model discloses an install bolt hydro-cylinder and otic placode subassembly additional, connect or throw off hydraulic pressure pile gripper according to the operating mode demand, the unilateral arm atress in the past has been avoided, the condition that the opposite side does not participate in, can effectively reduce hydraulic system's load, the damage that causes hydraulic system has been alleviateed, the instability under the hydraulic pressure pile gripper locking state under the different work condition in the pile driving operation has been solved simultaneously, can still guarantee boats and ships continuation operation under partial system fault condition, the operation of reliable operation safety has been guaranteed.
Description of the drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a diagram illustrating the usage of the present invention;
FIG. 3 is a schematic connection diagram of the latch cylinder of the present invention;
FIG. 4 is a perspective view of the latch cylinder of the present invention;
FIG. 5 is a front cross-sectional view of the latch cylinder of the present invention;
in the figure: 1-a cohesive arm I; 2-a cohesive arm II; 3-a base; 4, embracing the arm hinge shaft I; 5-a second articulated shaft of the embracing arm; 6-ear plate assembly; 7-oil cylinder base; 8-a bolt oil cylinder; 81-ejecting an oil injection cavity out of a cylinder sleeve; 82-cylinder sleeve recovery oil injection cavity; 83-cylinder liner; 84-a piston; 85-a piston rod; 9-a telescopic oil cylinder II; 10-a first telescopic oil cylinder; 11-a positioning arm;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in the figure, the hydraulic pile embracing device for the pile driving ship comprises a first embracing arm 1, a second embracing arm 2, a pair of bases 3, a first embracing arm hinge shaft 4, a second embracing arm hinge shaft 5, an ear plate assembly 6, an oil cylinder base 7, a bolt oil cylinder 8, a second telescopic oil cylinder 9, a first telescopic oil cylinder 10 and a positioning arm 11.
A second embracing arm 2 is hinged on the base 3, a second telescopic oil cylinder 9 is arranged between the second embracing arm 2 and the base 3 at the same side, the telescopic end of the second telescopic oil cylinder 9 is hinged with the second embracing arm 2, the cylinder body of the second telescopic oil cylinder 9 is rotatably connected with the base 3 through a second embracing arm hinge shaft 5, a first embracing arm 1 is hinged on the second embracing arm 2, the first embracing arm 1 is an arc-shaped arm, positioning arms 11 are respectively mounted on the second embracing arm 2 and the first embracing arm 1, the positioning arms 11 are radially arranged relative to the embracing center of the second embracing arm 2 and the first embracing arm 1, a first telescopic oil cylinder 10 is arranged between the first embracing arm 1 and the second embracing arm 2, the telescopic end of the first telescopic oil cylinder 10 is hinged with the first embracing arm 1, the cylinder body of the first telescopic oil cylinder 10 is rotatably connected with the second embracing arm 2 through a first embracing arm hinge shaft 4, an ear plate assembly 6 is mounted at one end of the first embracing arm 1 far away from the second embracing arm 2 in a welding way, an oil cylinder base 7 is arranged on one of the lug plate assemblies 6, a bolt oil cylinder 8 is arranged on the oil cylinder base 7, a hole for inserting the bolt oil cylinder 8 is formed in the other lug plate assembly 6, the bolt oil cylinder 8 and the lug plate assemblies 6 are additionally arranged, the hydraulic pile gripper is connected or disconnected according to working condition requirements, the previous stress of a single side arm is avoided, the other side does not participate in the condition, the load of a hydraulic system can be effectively reduced, the ship can be still guaranteed to continue to operate under the fault condition of a partial system, the reliability and safety of the system are improved, and the operation of working reliability and safety is guaranteed.
The bolt oil cylinder 8 comprises a cylinder sleeve 83, a piston rod 85 is arranged in the cylinder sleeve 83 in a sliding mode, one end of the piston rod 85 is fixedly connected with a piston 84, the piston rod 85 is in threaded connection with the piston 84, the piston 84 is in contact with the inner wall of the cylinder sleeve 83 and slides in the cylinder sleeve 83, a cylinder sleeve withdrawing and injecting oil cavity 82 is formed by a gap between the periphery of the piston rod 85 and the cylinder sleeve 83, two independent cylinder sleeve ejecting and injecting oil cavities 81 are arranged in the piston rod 85 along the length direction of the piston rod 85, the cylinder sleeve ejecting and injecting oil cavity 81 is communicated with the cylinder sleeve withdrawing and injecting oil cavity 82, one end of the piston rod 85 is fixedly connected with the oil cylinder base 7 through a cylinder welding piece, the cylinder welding piece is detachably connected with the oil cylinder base 7 through a bolt and a nut, an opening communicated with the cylinder sleeve ejecting and injecting oil cavity 81 is arranged on the cylinder welding piece, the oil is injected into the cylinder sleeve ejecting and injecting oil cavity 81 through a hydraulic system, the piston rod 85 is fixed, the cylinder sleeve 83 moves downwards and is inserted into an opening on the lug plate component 6, oil is injected into the cylinder sleeve retraction oil injection cavity 82 through a hydraulic system, the piston rod 85 is not moved, and the cylinder sleeve 83 is lifted upwards and moved out of the opening on the lug plate assembly 6.
The working process is as follows:
forming restraint on the steel piles: the utility model discloses adjust to suitable position according to the pile footpath in advance, cohesion arm one 1 and cohesion arm two 2 are the articulated form, under the effect of flexible hydro-cylinder two 9, drive cohesion arm two 2 and form to surround the piling bar after, start flexible hydro-cylinder one 10, flexible hydro-cylinder one 10 drives cohesion arm one 1 and continues to draw close to the piling bar, cohesion arm one 1 and cohesion arm two 2 of left and right sides hug closely the piling bar, cohesion arm one 1 and cohesion arm two 2 of left and right sides put in place, after confirming left and right sides otic placode subassembly 6 and arriving suitable position, insert bolt hydro-cylinder 8 in the assigned position on otic placode subassembly 6, after the above-mentioned action is finished, accomplish the flow of hugging closely the piling bar; after the steel pile is positioned, the bolt oil cylinder 8 is disconnected, the embracing and combining arms 1 and the embracing and combining arms 2 on the left side and the right side are respectively withdrawn under the driving of the telescopic oil cylinder I10 and the telescopic oil cylinder II 9, the hydraulic hammer starts to work, the pile is driven until the pile is finished, and the pile driving is carried out again and the process is repeated.
The insertion process of the bolt oil cylinder 8 is as follows: after the cohesion arms I1 and the cohesion arms II 2 on the left side and the right side are close to each other in place, oil is injected into the oil injection cavity 81 ejected out of the cylinder sleeve through the hydraulic system, the piston rod 85 is fixed, the cylinder sleeve 83 moves downwards and is inserted into the opening in the ear plate assembly 6, and oil injection is stopped after the cylinder sleeve is in place;
the disengaging process of the bolt oil cylinder 8 is as follows: when the separation is needed, oil is injected into the cylinder sleeve retraction oil injection cavity 82 through a hydraulic system, the piston rod 85 is not moved, the cylinder sleeve 83 is lifted upwards and moved out of the opening on the lug plate assembly 6 until the separation is achieved.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (7)
1. A hydraulic pile embracing device for a pile driving ship comprises a pair of bases (3) and is characterized in that a embracing arm II (2) is hinged to each base (3), a telescopic oil cylinder II (9) is arranged between each embracing arm II (2) and the base (3) on the same side, the telescopic end of each telescopic oil cylinder II (9) is hinged to each embracing arm II (2), the cylinder body of each telescopic oil cylinder II (9) is rotatably connected with each base (3) through a embracing arm hinge shaft II (5), a embracing arm I (1) is hinged to each embracing arm II (2), a telescopic oil cylinder I (10) is arranged between each embracing arm I (1) and each embracing arm II (2), the telescopic end of each telescopic oil cylinder I (10) is hinged to each embracing arm I (1), the cylinder body of each telescopic oil cylinder I (10) is rotatably connected with each embracing arm II (2) through a embracing arm hinge shaft I (4), an ear plate assembly (6) is mounted at one end, far away from each embracing arm II (2), of each embracing arm I (1), an oil cylinder base (7) is arranged on one of the lug plate assemblies (6), a bolt oil cylinder (8) is arranged on the oil cylinder base (7), and a hole for the bolt oil cylinder (8) to insert is formed in the other lug plate assembly (6).
2. The hydraulic pile embracing device for the pile driving vessel according to claim 1, wherein the first embracing arm (1) is an arc-shaped arm.
3. The hydraulic pile embracing device for the pile driving vessel as claimed in claim 1, wherein the second embracing arm (2) and the first embracing arm (1) are provided with positioning arms (11), and the positioning arms (11) are radially arranged relative to the embracing center of the second embracing arm (2) and the first embracing arm (1).
4. The hydraulic piler for a pile driving vessel as claimed in claim 1, wherein the ear plate assemblies (6) are fixed with the corresponding first embracing arm (1) by welding.
5. The hydraulic pile embracing device for the pile driving ship according to claim 1, wherein the bolt oil cylinder (8) comprises a cylinder sleeve (83), a piston rod (85) is arranged in the cylinder sleeve (83) in a sliding manner, one end of the piston rod (85) is fixedly connected with a piston (84), the piston (84) is in contact with the inner wall of the cylinder sleeve (83) and slides in the cylinder sleeve (83), a gap between the periphery of the piston rod (85) and the cylinder sleeve (83) forms a cylinder sleeve retraction oil injection cavity (82), two independent cylinder sleeve ejection oil injection cavities (81) are arranged in the piston rod (85) along the length direction of the piston rod (85), the cylinder sleeve ejection oil injection cavities (81) are communicated with a cylinder sleeve retraction oil injection cavity (82), one end of the piston rod (85) is fixedly connected with an oil cylinder base (7) through a cylinder body welding piece, and an opening communicated with the cylinder sleeve ejection oil injection cavities (81) is formed in the cylinder body welding piece.
6. The hydraulic piler for a pile driving vessel according to claim 5, characterized in that the piston rod (85) is in threaded connection with the piston (84).
7. The hydraulic pile embracing device for the pile driving vessel as claimed in claim 5, wherein the cylinder body welding member is detachably connected with the cylinder base (7) by bolts and nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123241611.XU CN217128221U (en) | 2021-12-22 | 2021-12-22 | Hydraulic pile gripper for pile driving ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123241611.XU CN217128221U (en) | 2021-12-22 | 2021-12-22 | Hydraulic pile gripper for pile driving ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217128221U true CN217128221U (en) | 2022-08-05 |
Family
ID=82618451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123241611.XU Active CN217128221U (en) | 2021-12-22 | 2021-12-22 | Hydraulic pile gripper for pile driving ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217128221U (en) |
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2021
- 2021-12-22 CN CN202123241611.XU patent/CN217128221U/en active Active
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