CN103334405B - Locking-type pile gripper of pile foundation - Google Patents
Locking-type pile gripper of pile foundation Download PDFInfo
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- CN103334405B CN103334405B CN201310299082.XA CN201310299082A CN103334405B CN 103334405 B CN103334405 B CN 103334405B CN 201310299082 A CN201310299082 A CN 201310299082A CN 103334405 B CN103334405 B CN 103334405B
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- wedge
- anchor ear
- butt joint
- pile
- joint edge
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Abstract
The invention discloses a locking-type pile gripper of a pile foundation. The locking-type pile gripper of the pile foundation comprises a hold hoop and a wedge-shaped pin, wherein the hold hoop comprises two semicircular hold hoop bodies, one end of one semicircular hold hoop body is hinged to one end of the other semicircular hold hoop body, the other end of each semicircular hold hoop body is bended respectively so as to form two butt-joint edges, and the planes of the two butt-joint edges are opposite to each other. The wedge-shaped pin is of a big-end-down tower shape and comprises a pair of inclined plates and a vertical plate which is connected with the inclined plates, wherein the shape of the cross section of the wedge-shaped pin is of an H shape, the inclined plates of the wedge-shaped pin form the inclined plate wedge angle Beta, the inner side of each inclined plate of the wedge-shaped pin is meshed with the inclined surface of each butt-joint edge, and therefore the hold hoop can be fixed on a pipe pile. The two butt-joint edges of the semicircular hold hoop bodies are big-end-down and correspond to the tower ship of the wedged-shaped pin, the two butt-joint edges form the butt-joint edge wedge angle Alpha, and the butt-joint edge wedge angle Alpha is equal to the inclined plate wedge angle Beta. According too the locking-type pile gripper of the pile foundation, by means of the self-locking meshing function of between the wedge-shaped pin and the inclined surfaces of the two butt-joint edges of the hold hoop bodies, the hold hoop bodies are fixed on the pipe pile, static friction force between the inner side of the hold hoop bodies and the outer circumference of the pipe pile is increased, and the vertical bearing capacity is improved.
Description
Technical field
The present invention relates to a kind of construction frock of beam and slab type long piled wharf platform, especially a kind of for supporting the clip pile being arranged on pile tube upper end, belong to port works technical field.
Background technology
When having the deepwater regions of certain distance to build beam and slab type long piled wharf platform on coastal or riverine offshore limit, need first that at the bottom of many root canal piles pile sinking to river or seabed is basic as harbour, single pile is linked to be entirety by cast-in-situ concrete by it, support with rectangular flitch on the downside of the template of cast-in-place concrete structure, rectangular flitch two ends respectively by the girder type steel support under it in the clip pile structure of pile tube upper end, the clip pile structure of two pile tube upper ends relies on the stiction between itself and pile tube after pressurization clamping to support from top girder shaped steel, rectangular flitch, the load of template and concrete structure.
Existing clip pile adopts steel hoop structure mostly, steel hoop comprises two semicircle anchor ear bodies, butt joint edge is extended respectively in its two ends, butt joint edge is supported by several piece gusset, two semicircle anchor ear bodies wale pile tube, and by the multiple unit bolt nuts be arranged above and below, the docking of anchor ear body are fixed on pile tube upper end.The anchor ear of this structure is very heavy, and the fastening of unit bolt nut is required great effort very much, and stiction is little inside anchor ear and between pile tube outer peripheral face, causes clip pile bearing capacity little, and inefficiency, dismounting difficulty after bolt and nut corrosion.
Summary of the invention
The object of this invention is to provide a kind of locking-type pile gripper of pile foundation that is lightweight, large, the easy accessibility of stiction between clip pile and pile tube.
The present invention is achieved by the following technical programs:
A kind of locking-type pile gripper of pile foundation, comprise anchor ear, wedge pin, described anchor ear comprises two semicircle anchor ear bodies, semicircle anchor ear body one end is hinged, the semicircle anchor ear body other end bends the relative butt joint edge of rear formation two planes respectively, described butt joint edge and anchor ear body are respectively by the parallel up and down link of boards of several piece, and two semicircle anchor ear bodies are filled the span of a man's arms and waled pile tube; Described wedge pin is up-small and down-big turriform, comprise a pair swash plate and connect the riser of a pair swash plate, wedge pin shape of cross section is I shape, wedge pin a pair swash plate forms swash plate angle of wedge β, wedge pin is each passed through butt joint edge and each gusset from top to bottom, inside wedge pin a pair swash plate respectively with butt joint edge inclined-plane wedging, thus anchor ear is fixed on pile tube; The spacing of two butt joint edges of semicircle anchor ear body is up-small and down-big and corresponding with the turriform of wedge pin, and two butt joint edges form butt joint edge locking angle, and butt joint edge locking angle is equal with swash plate angle of wedge β.
Object of the present invention can also be realized further by following technical measures.
Aforesaid locking-type pile gripper of pile foundation, the parallel up and down gusset of wherein said butt joint edge and several piece is provided with the T-slot mouth of up/down perforation, and anchor ear through T-slot mouth, is fixed on pile tube by wedge pin from top to bottom.
Aforesaid locking-type pile gripper of pile foundation, wherein said butt joint edge locking angle and swash plate angle of wedge β are 10 °≤α=β≤13 °.
Structure of the present invention is simple, lightweight, easy accessibility, utilize the self-locking wedging on inclined-plane between wedge pin and anchor ear body butt joint edge, anchor ear body is firmly fixed on pile tube, increases the stiction inside anchor ear body and between pile tube outer peripheral face, improve the vertical bearing capacity of clip pile.
Advantage and disadvantage of the present invention, by for illustration and explanation for the non-limitative illustration passing through preferred embodiment below, these embodiments, only provide as an example with reference to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the structure for amplifying schematic diagram of wedge pin of the present invention;
Fig. 4 is the top view of Fig. 3.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Fig. 1 ~ Fig. 4, the present invention includes anchor ear 1, wedge pin 2, anchor ear 1 adopts the steel plate of 10mm to roll and forms, comprise two semicircle anchor ear bodies 11, semicircle anchor ear body 11 one end is hinged, and the other end bends the relative butt joint edge 12 of rear formation two planes respectively, and butt joint edge 12 and anchor ear body 11 connect respectively by about 3 pieces parallel gussets 3, T-slot mouth 31, two the semicircle anchor ear bodies 11 butt joint edge 12 and each gusset 3 being respectively equipped with up/down perforation are filled the span of a man's arms and are waled pile tube 4.Wedge pin 2 is in up-small and down-big turriform, and adopt the riser 22 of a pair swash plate 21 and connection a pair swash plate 21 to be welded, wedge pin 2 shape of cross section is I shape.A pair swash plate 21 forms swash plate angle of wedge β, wedge pin 2 is each passed through the T-slot mouth 31 on butt joint edge 12 and each gusset 3 from top to bottom, inside its a pair swash plate 21 respectively with butt joint edge 12 inclined-plane self-locking wedging, thus anchor ear 1 is fixed on pile tube 4, the spacing of two butt joint edges, 12 liang of butt joint edges of semicircle anchor ear body 11 is up-small and down-big and corresponding with the turriform of wedge pin 2, it is equal with swash plate angle of wedge β with butt joint edge locking angle that two butt joint edges 12 form butt joint edge locking angle, and being 10 °≤α=β≤13 °, in the present embodiment, α and β is 13 °.Because butt joint edge 12 and α/2, oblique angle of swash plate 21 contact surface of wedge pin 2 are 6.5 ° with β/2, be less than the angle of friction of 8.5 ° of steel to steel, therefore, wedge pin 2 is in self-locking state with the connection of anchor ear 1, guarantees both firm connections.
During installation, at anchor ear 1 both sides difference welded reinforcement suspension hook, reinforcing bar suspension hook lifting anchor ear 1 is caught on wire rope, and be enclosed within pile tube 4 pile crown and drop to precalculated position, then wedge pin 2 is inserted the T-slot mouth 31 of anchor ear 1 butt joint edge 12 and each gusset 3, pound with a hammer wedge pin 2, with anchor ear 1 butt joint edge 12 wedging inside a pair swash plate 21 of now wedge pin 2, in wedge pin 2 dropping process, under wedge pin 2 medial slope squeezing action, anchor ear 1 liang of butt joint edge 12 is drawn close gradually, anchor ear 1 holds pile tube 4 gradually tightly until both are in self-locking connection status, thus tightly embrace pile body, for preventing wedge pin 2 in use procedure just in case from slippage, wedge pin 2 strikes tightly, put and be welded on the gusset 3 of anchor ear 1.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of application claims.
Claims (2)
1. a locking-type pile gripper of pile foundation, comprise anchor ear, described anchor ear comprises two semicircle anchor ear bodies, semicircle anchor ear body one end is hinged, the semicircle anchor ear body other end bends the relative butt joint edge of rear formation two planes respectively, described butt joint edge and anchor ear body are respectively by the parallel up and down link of boards of several piece, and two semicircle anchor ear bodies are filled the span of a man's arms and waled pile tube; It is characterized in that: also comprise wedge pin, described wedge pin is up-small and down-big turriform, comprise a pair swash plate and connect the riser of a pair swash plate, wedge pin shape of cross section is I shape, wedge pin a pair swash plate forms swash plate angle of wedge β, wedge pin is each passed through butt joint edge and each gusset from top to bottom, inside wedge pin a pair swash plate respectively with butt joint edge inclined-plane wedging, thus anchor ear is fixed on pile tube; The spacing of two butt joint edges of semicircle anchor ear body is up-small and down-big and corresponding with the turriform of wedge pin, two butt joint edges form butt joint edge locking angle, butt joint edge locking angle is equal with swash plate angle of wedge β, and described butt joint edge locking angle and swash plate angle of wedge β are 10 °≤α=β≤13 °.
2. locking-type pile gripper of pile foundation as claimed in claim 1, is characterized in that: the parallel up and down gusset of described butt joint edge and several piece is provided with the T-slot mouth of up/down perforation, and anchor ear through T-slot mouth, is fixed on pile tube by wedge pin from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310299082.XA CN103334405B (en) | 2013-07-17 | 2013-07-17 | Locking-type pile gripper of pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310299082.XA CN103334405B (en) | 2013-07-17 | 2013-07-17 | Locking-type pile gripper of pile foundation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103334405A CN103334405A (en) | 2013-10-02 |
| CN103334405B true CN103334405B (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310299082.XA Expired - Fee Related CN103334405B (en) | 2013-07-17 | 2013-07-17 | Locking-type pile gripper of pile foundation |
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| Country | Link |
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| CN (1) | CN103334405B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158591B (en) * | 2018-02-12 | 2024-05-14 | 周兆弟 | Pile hammer assembly and pile driver with pile hammer assembly |
| CN111424530A (en) * | 2020-03-25 | 2020-07-17 | 苏交科集团股份有限公司 | Oblique-pulling type single-column pier anti-overturning device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5743677A (en) * | 1996-03-29 | 1998-04-28 | Oil States Industries, Inc. | Subsea multi-segmented pile gripper |
| CN2403823Y (en) * | 1999-11-25 | 2000-11-01 | 长沙山河工程机械有限公司 | Pile-gripping mechanism for pressure pile driver |
| CN2537736Y (en) * | 2002-01-16 | 2003-02-26 | 湖南山河智能机械股份有限公司 | Pile holding mechanism suitable for H-shape steel |
| JP2004060435A (en) * | 2002-06-05 | 2004-02-26 | Geotop Corp | Concrete knot pile |
| CN2913467Y (en) * | 2006-05-29 | 2007-06-20 | 刘小檀 | Pile top hoop device for deadweight carrying detection of building pipe pile |
| CN202519621U (en) * | 2012-04-12 | 2012-11-07 | 长江重庆航道工程局 | Steel hoop used for suspending support system |
-
2013
- 2013-07-17 CN CN201310299082.XA patent/CN103334405B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5743677A (en) * | 1996-03-29 | 1998-04-28 | Oil States Industries, Inc. | Subsea multi-segmented pile gripper |
| CN2403823Y (en) * | 1999-11-25 | 2000-11-01 | 长沙山河工程机械有限公司 | Pile-gripping mechanism for pressure pile driver |
| CN2537736Y (en) * | 2002-01-16 | 2003-02-26 | 湖南山河智能机械股份有限公司 | Pile holding mechanism suitable for H-shape steel |
| JP2004060435A (en) * | 2002-06-05 | 2004-02-26 | Geotop Corp | Concrete knot pile |
| CN2913467Y (en) * | 2006-05-29 | 2007-06-20 | 刘小檀 | Pile top hoop device for deadweight carrying detection of building pipe pile |
| CN202519621U (en) * | 2012-04-12 | 2012-11-07 | 长江重庆航道工程局 | Steel hoop used for suspending support system |
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| Publication number | Publication date |
|---|---|
| CN103334405A (en) | 2013-10-02 |
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Granted publication date: 20150701 Termination date: 20170717 |