CN209760236U - Pile gripper - Google Patents
Pile gripper Download PDFInfo
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- CN209760236U CN209760236U CN201920080819.1U CN201920080819U CN209760236U CN 209760236 U CN209760236 U CN 209760236U CN 201920080819 U CN201920080819 U CN 201920080819U CN 209760236 U CN209760236 U CN 209760236U
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- arm
- telescopic
- pile
- support
- telescopic boom
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model discloses a pile gripper, articulate two rotor arms on the base, the pushing mechanism who is connected with the rotor arm including base, symmetry, be equipped with flexible arm and flexible arm support on the rotor arm, flexible arm can carry out concertina movement and fix the length that stretches out and draws back the arm support through inserting the round pin on flexible arm support, the rotor arm promotes flexible arm through pushing mechanism and embraces pile column tightly. The utility model discloses a rotation mode of holding tightly holds stake post tightly, it is fast to have a holding pile, and the dynamics is big, and the characteristics that the precision is high have extended large-scale pile driving barge's scope of construction effectively, and the relative suggestion mechanical type pile gripper of holding pile scope has improved greatly simultaneously, adjusts portably, saves artifically, has improved the efficiency of construction greatly.
Description
Technical Field
The utility model relates to an engineering pile technical field, especially a pile gripper.
background
For large-scale pile driving ships, the construction trend is more and more towards the construction of various piles under complex natural conditions, pile sinking equipment needs to be capable of comprehensively meeting the construction of pipe piles, square piles, pile casings and the like with the pile diameter of 0.8-2.5 m and the pile length of not less than 20m, and the equipment performance needs to meet the strict quality requirements of different types.
The existing pile gripper has the following problems: (1) the construction pile length is limited due to the fact that the installation position of the pile gripper determines, construction is carried out under the common condition that ship draught is met, the construction capacity of piles with the pile length of below 35m during construction is insufficient due to the height of the pile gripper, and normal pile descending and unhooking are easily affected; (2) in the short pile construction process, when the pile is not filled with mud, the steel wire rope for hanging the pile and binding the pile is clamped at the pile gripper, and when the pile gripper cannot be opened in the construction of pitching pile, pile sinking cannot be continued, even if the steel wire rope passes through the pile gripper in the construction of straight pile, no working platform is arranged near a closure opening below the pile gripper, an operator cannot complete the unhooking process of the steel wire rope for hanging the pile and binding the pile, and normal operation is influenced; (3) in the construction process, the verticality (inclination) of the pile body is completely controlled, the pile body needs to have a certain length between the pile replacement and the pile embracing device, otherwise, the pile body generates large deviation due to equipment reasons and self reasons, the pile sinking quality is influenced, the site control condition needs to be strictly controlled, and the operation is very troublesome.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a pile gripper through the flexible of operation push rod drive cylinder, the opening closure of steerable rotor arm, through the position of adjusting flexible arm to adapt to the pile demand that different stake footpaths change.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a pile gripper, includes that joist, symmetry articulate the pushing mechanism who on the joist, two rotor arms, be connected with the rotor arm, be equipped with flexible arm and flexible arm support on the rotor arm, flexible arm can carry out concertina movement and fix the length that stretches out and draw back the arm support through the plug pin on flexible arm support, the rotor arm promotes flexible arm through pushing mechanism and embraces the stake tightly.
Preferably, the pushing mechanism is a hydraulic cylinder, the tail end of the cylinder body of the hydraulic cylinder is hinged to the joist, and the front end of the piston rod of the hydraulic cylinder is hinged to the rotating arm.
Preferably, a joist is fixedly connected to the side surface of the base, and the joist is arranged at the bottom of the rotating arm.
Preferably, a hinged support is arranged on the base, and the rotating arm is hinged to the base through the hinged support.
preferably, be equipped with the connecting hole along flexible arm length direction linear arrangement on the flexible arm support, be equipped with the pinhole on the flexible arm, the plug pin is fixed flexible arm on the flexible arm support and is adjusted flexible arm's length that stretches out flexible arm support through wearing to establish different connecting holes through wearing to establish in connecting hole and pinhole.
Preferably, the telescopic boom is provided with pin holes in linear arrangement along the length direction, the telescopic boom support is provided with connecting holes, and the plug pins are arranged in the connecting holes and the pin holes in a penetrating manner to fix the telescopic boom on the telescopic boom support and adjust the length of the telescopic boom extending out of the telescopic boom support through different penetrating pin holes.
Preferably, the number of the connecting holes is 4, the connecting holes are arranged on the telescopic arm support in a rectangular shape, the telescopic arm is provided with two rows of pin holes which are arranged in a straight line, each row is provided with at least 3 pin holes, and the number of the inserting and pulling pins is 2, and the inserting and pulling pins penetrate through the connecting holes at opposite angles of the rectangular shape and respectively penetrate through the two rows of pin holes.
preferably, the end of the telescopic arm extending out of the telescopic arm support is provided with a roller.
Preferably, telescopic boom support up end is equipped with the otic placode, chain block is installed to the otic placode, telescopic boom stretches out telescopic boom support's end top and is equipped with the hangers of connecting the chain block lifting hook.
Preferably, be equipped with 4 flexible arm supports and 2 flexible arms on the rotor arm, flexible arm is held the direction through the flexible arm support adjustment of difference for the equal directional axle center direction of stake of long axis of flexible arm.
The utility model has the advantages that:
The utility model has the capability of constructing short piles, effectively expands the construction range of a large pile driving barge, greatly improves the pile embracing range relative to a simple mechanical pile embracing device, and is simple and convenient to adjust;
The utility model has the detachable function, and can determine whether to detach according to the design of pile length and pile position, so as to fully meet the condition of preventing the driven pile from being touched, ensure the construction safety and improve the construction efficiency;
3 the utility model discloses a positioning accuracy has greatly improved to with original pile gripper concurrent operation, can carry out the large-scale bored concrete pile steel of offshore pier class and protect a section of thick bamboo, the construction of special type piles such as marine large building foundation pile has greatly expanded application range.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a top plan view of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the working structure of the pile embracing of a preferred embodiment of the present invention;
FIG. 3 is a front view of a preferred embodiment of the present invention;
fig. 4 is an assembly view of a telescopic boom and a telescopic boom support of a preferred embodiment of the present invention;
Fig. 5 is a front view of the telescopic arm support according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the conception, specific structure and technical effects of the present invention will be described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor are within the scope of the present invention.
Example 1
Referring to fig. 1 to 5 together, for a preferred embodiment, a pile gripper, including base 1, rotor arm 2 and promotion rotor arm 2 pivoted pushing mechanism, rotor arm 2 is equipped with two, and the symmetry articulates at base 1 both ends, is equipped with flexible arm 3 and flexible arm support 4 on the rotor arm 2, and flexible arm 3 can carry out concertina movement in flexible arm support 4, and flexible arm 3 is fixed and adjust the length that flexible arm 3 stretches out flexible arm support 4 through inserting the round pin. The base 1 is provided with a hinged support 7, and the rotating arm 2 is hinged on the base 1 through the hinged support 7. In the embodiment, the base 1, the hinged support 7 and the telescopic arm 3 are all made of engineering steel.
Furthermore, the telescopic boom 3 is provided with a pin hole 31, the telescopic boom support 4 is provided with a connecting hole 41, and the connecting hole 41 and the pin hole 31 have the same aperture and are used for installing a plug pin. The pin holes 31 are uniformly and linearly arranged on the telescopic arm 3 along the length direction of the telescopic arm 3, the plug pins are used for fixing the length of the telescopic arm 3 extending out of the telescopic arm support 4 through the connecting holes 41 and the pin holes 31, and when the telescopic length of the telescopic arm 3 is adjusted to a proper length, the plug pins are placed into the connecting holes 41 and the pin holes 31 concentrically corresponding to the connecting holes 41, so that the telescopic length of the telescopic arm 3 is fixed.
Further, the number of the connecting holes 41 is 4, the connecting holes are arranged on the telescopic arm support 4 in a rectangular shape, two rows of pin holes 31 which are arranged in parallel are arranged on the telescopic arm 3, each row is provided with 8 pin holes 31, and the number of the inserting and pulling pins is 2, and the inserting and pulling pins penetrate through the connecting holes 41 which are positioned at opposite corners of the rectangular shape and respectively penetrate through the two rows of pin holes 31. In this embodiment, the connection holes 41 are elliptical holes with a major axis of 55mm and a minor axis of 50mm, the pin holes 31 are circular holes with a diameter of 50mm, the four connection holes 41 are arranged in a rectangle with 50mm × 70mm, the pin holes 31 in each row are spaced by 100mm, and the pin holes 31 in the two rows are staggered by 50mm, so that the pin inserting and pulling device is convenient to install and pull pins, and is suitable for various working conditions. Adopt 2 plug pins, avoid singly inserting the plug pin insecure, adopt two fixed principles of point to make telescopic boom 3 stabilize on telescopic boom support 4.
Furthermore, be equipped with 4 flexible arm supports 4 and 2 flexible arms 3 on every rotor arm 2, flexible arm 3 is held the direction tightly through the adjustment of the flexible arm support 4 of difference for the axis direction of the equal directional stake of the major axis of flexible arm 3, in order to adapt to the stake of different stake footpaths.
Further, a hydraulic cylinder 5 is adopted as a pushing mechanism, the tail of the cylinder body of the hydraulic cylinder 5 is hinged to the base 1, the front end of a piston cylinder of the hydraulic cylinder 5 is hinged to the rotating arm 2, and the hydraulic cylinder 5 drives the rotating arm 2 to rotate so that the telescopic arm 3 can hold the pile tightly. Because hydraulic pressure has the characteristics of large transmission power, easy transmission and the like, hydraulic pressure is adopted to push the rotating arm 2 to hold the pile tightly, and enough holding force can be provided.
further, the end of the telescopic arm 3 extending out of the telescopic arm support 4 is provided with a roller which can flexibly rotate and is used for reducing friction between the pile and the telescopic arm 3 during piling. In this embodiment, the roller is a spindle-shaped wear-resistant roller.
Further, the upper end face of the telescopic arm support 4 is provided with an ear plate 42, the top of the end of the telescopic arm 3 extending out of the telescopic arm support 4 is provided with a hanging lug 32, the ear plate 42 is used for installing the chain block 8, and the hanging lug 32 is used for connecting a hook of the chain block 8. Ear plate 42 and hangers 32 all through welded mode respectively the rigid coupling on flexible arm 3 support and flexible arm 3, chain block 8 is used for the flexible arm 3 of pulling for flexible arm 3 carries out concertina movement, adjusts the flexible length of flexible arm 3.
Further, the two ends of the base 1 are fixedly connected with hinged supports 7 in a welding mode, each hinged support 7 is of a triangular variable cross-section steel beam structure, two hinged holes are formed in each hinged support 7 and comprise a first hinged hole and a second hinged hole, each first hinged hole is close to the base 1 and used for being hinged to the rotating arm 2, and each second hinged hole is used for being hinged to the hydraulic cylinder 5.
Further, a joist 6 is fixedly connected to the side surface of the base 1 in a welding mode, the joist 6 is used for bearing the gravity of the rotating arm 2 and the vertical stress applied to the rotating arm 2 by the pile, and the joist 6 is an arc-shaped variable cross-section box girder. The upper surface of the joist 6 is provided with a polytetrafluoroethylene wear-resistant sliding plate and is fixed with the joist 6 through an inner hexagonal countersunk head screw, and the upper surface of the sliding plate is in contact with the lower surface of the rotating arm 2 to play a supporting role.
During specific implementation, the push rod is operated to drive the oil cylinder to stretch, the rotating arm 2 can be controlled to open and close, the position of the telescopic arm 3 is adjusted through the chain block 8, and the long axis of the telescopic arm 3 points to the axis direction of the pile when the pile is held tightly, so that the pile driving requirements of different pile diameters are met.
Example 2
Adopt two rows of linear arrangement's connecting hole 41 as the adjustment hole through drawing the flexible length of round pin adjustment telescopic boom 3 in this embodiment, can reach equally the utility model discloses in adjust telescopic boom 3 telescopic length's technological effect.
The above description is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and the technical effects of the present invention should be all included in the protection scope of the present invention as long as the technical effects are achieved by any of the same or similar means.
Claims (10)
1. The utility model provides a pile gripper, its characterized in that includes base (1), two rotor arms (2) that the symmetry articulates on base (1), the pushing mechanism who is connected with rotor arm (2), be equipped with flexible arm (3) and flexible arm support (4) on rotor arm (2), flexible arm (3) can be on flexible arm support (4) telescopic motion and through inserting the fixed length that stretches out flexible arm support (4) of pulling pin, pile column is held tightly in rotor arm (2) through pushing mechanism promotion flexible arm (3).
2. A pile gripper according to claim 1, characterised in that the pushing mechanism is a hydraulic cylinder (5), the rear end of the cylinder body of the hydraulic cylinder (5) is hinged to the joist (6), and the front end of the piston rod of the hydraulic cylinder (5) is hinged to the swivel arm (2).
3. A pile gripper according to claim 2, characterised in that a joist (6) is fastened to the side of the base (1), said joist (6) being arranged at the bottom of the rotor arm (2).
4. A pile gripper according to claim 1, characterised in that the base (1) is provided with a hinged support (7), and the swivel arm (2) is hinged to the base (1) via the hinged support (7).
5. A pile gripper according to claim 1, characterized in that the telescopic boom support (4) is provided with connecting holes (41) arranged in a straight line along the length direction of the telescopic boom (3), the telescopic boom (3) is provided with pin holes (31), the inserting and pulling pin is arranged in the connecting holes (41) and the pin holes (31) in a penetrating manner to fix the telescopic boom (3) on the telescopic boom support (4) and adjust the length of the telescopic boom (3) extending out of the telescopic boom support (4) by arranging different connecting holes (41) in a penetrating manner.
6. A pile gripper according to claim 1, wherein the telescopic boom (3) is provided with pin holes (31) arranged in a straight line along the length direction thereof, the telescopic boom support (4) is provided with connecting holes (41), the inserting and pulling pin is arranged in the connecting holes (41) and the pin holes (31) in a penetrating manner to fix the telescopic boom (3) on the telescopic boom support (4) and adjust the length of the telescopic boom (3) extending out of the telescopic boom support (4) in a penetrating manner through different pin holes (31).
7. A pile gripper according to claim 6, wherein there are 4 connecting holes (41) arranged in a rectangular shape on the telescopic arm support (4), there are two rows of pin holes (31) arranged in a straight line on the telescopic arm (3), there are at least 3 pin holes (31) in each row, there are 2 inserting and pulling pins passing through the connecting holes (41) located at opposite corners of the rectangular shape and respectively passing through the two rows of pin holes (31).
8. A pile gripper according to claim 7, characterised in that rollers are provided at the end of the telescopic boom (3) extending out of the telescopic boom support (4).
9. A pile gripper according to claim 1, characterized in that an ear plate (42) is arranged on the upper end surface of the telescopic arm support (4), a chain block (8) is mounted on the ear plate (42), and a hanging lug (32) connected with a lifting hook of the chain block (8) is arranged at the top of the end of the telescopic arm (3) extending out of the telescopic arm support (4).
10. a pile gripper according to claim 1, characterised in that 4 telescopic arm supports (4) and 2 telescopic arms (3) are provided on the rotor arm (2), and the telescopic arms (3) are adjusted in the gripping direction by means of different telescopic arm supports (4), so that the long axes of the telescopic arms (3) all point in the axial direction of the pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920080819.1U CN209760236U (en) | 2019-01-17 | 2019-01-17 | Pile gripper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920080819.1U CN209760236U (en) | 2019-01-17 | 2019-01-17 | Pile gripper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209760236U true CN209760236U (en) | 2019-12-10 |
Family
ID=68749530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920080819.1U Active CN209760236U (en) | 2019-01-17 | 2019-01-17 | Pile gripper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209760236U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764379A (en) * | 2020-06-18 | 2020-10-13 | 常州东华建筑安装工程有限公司 | Construction method and structure applied to reverse construction steel pipe pile |
| CN113006065A (en) * | 2021-04-09 | 2021-06-22 | 安徽恒坤地基基础工程有限公司 | Pile guide |
-
2019
- 2019-01-17 CN CN201920080819.1U patent/CN209760236U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764379A (en) * | 2020-06-18 | 2020-10-13 | 常州东华建筑安装工程有限公司 | Construction method and structure applied to reverse construction steel pipe pile |
| CN111764379B (en) * | 2020-06-18 | 2021-07-09 | 常州东华建筑安装工程有限公司 | Construction method and structure applied to reverse construction steel pipe pile |
| CN113006065A (en) * | 2021-04-09 | 2021-06-22 | 安徽恒坤地基基础工程有限公司 | Pile guide |
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