CN1030511C - Pile clipping apparatus - Google Patents
Pile clipping apparatus Download PDFInfo
- Publication number
- CN1030511C CN1030511C CN 94102589 CN94102589A CN1030511C CN 1030511 C CN1030511 C CN 1030511C CN 94102589 CN94102589 CN 94102589 CN 94102589 A CN94102589 A CN 94102589A CN 1030511 C CN1030511 C CN 1030511C
- Authority
- CN
- China
- Prior art keywords
- holder
- hydraulic cylinder
- movable
- movable holder
- clipping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The present invention relates to a pile clipping apparatus which comprises a support provided with two fixed clipping seats and two movable clipping seats which can move relatively to the fixed clipping seats, wherein the clipping seats are provided with clipping plates, and the movable clipping seats are driven by a hydraulic cylinder. The two fixed clipping seats are arranged longitudinally along the support, and the two movable clipping seats arranged longitudinally along the support are opposite to the corresponding fixed clipping seats. Each movable clipping seat is independently provided with a hydraulic cylinder which extends in the moving direction of the movable clipping seat, and each movable clipping seat is connected with one end of the arranged hydraulic cylinder. The present invention has the advantages of simple structure and reasonable stress.
Description
The present invention relates to the pile chuck that a kind of static(al) or piling machinerys such as kinetic pressure, pile pulling are used.
A kind of pile chuck is disclosed in notification number is 2054744 utility model patent file, this pile chuck adopts hydraulic-driven, it by multiplying power arm, drag link, add a series of members such as mechanical axis hydraulic thrust be delivered to clamper plate, thereby realize clamping to pile, stake pipe.Because its structure is limited, scantling is restricted, and stress is very big, so member ftractures easily during actual the use.Though four clamper plates in this pile chuck are connected on the collet body with pivot pin in addition, so that clamper plate has the ability of self-regulated to different pile surfaces, but in fact degree of irregularity is bigger longitudinally for the preformed pile geometry, and above-mentioned pile chuck can't be regulated this, has above-mentioned pile chuck structure also very complicated again.
The object of the present invention is to provide a kind of pile chuck, this pile chuck is simple in structure, and is stressed reasonable, can adapt to the vertical degree of irregularity of preformed pile pipe appearance.
Above-mentioned purpose is to realize by the pile chuck of following structure, this pile chuck comprises support, this support is provided with fixed holder, this fixed holder is hinged with clamping plate, but the hydraulic cylinder that also is provided with the movable holder of relative fixed formula holder motion on the support and is used for driving movable holder motion, this movable holder is hinged with clamping plate, it is characterized in that being provided with two above-mentioned fixed holders and two above-mentioned movable holders along the support vertical direction, wherein each a movable holder and a corresponding fixed holder are oppositely arranged, each movable holder is furnished with its hydraulic cylinder that moves of special driving that extends along its direction of motion separately, and each movable holder is connected with an end of the hydraulic cylinder of its adapted.
As preferred construction, the hydraulic cylinder that is equipped with separately for each movable holder comprises two altogether, and an end of these two hydraulic cylinders directly links to each other with above-mentioned movable holder.
As another preferred construction, each fixed holder and each movable holder respectively are hinged with the clamping plate that are mutually certain angle.
The side that movable in addition holder links to each other with hydraulic cylinder comprises trough slab, and this plate directly links to each other with an end of hydraulic cylinder.
Above-mentioned support can be body structure.
Above-mentioned movable holder also can link to each other with an end of hydraulic cylinder by the bindiny mechanism that is made of a plurality of members.
The invention has the advantages that so convenient processing and manufacture, cost is low because simple in structure, operation easily, the stress that the pile chuck content produces when work is less, can be fit to the different vertical irregularity degreees of stake pipe.
Below in conjunction with accompanying drawing pile chuck of the present invention is further described.
Fig. 1 is the elevational schematic view of pile chuck of the present invention;
Fig. 2 is the vertical view of pile chuck shown in Figure 1.
As shown in Figure 1, as one embodiment of the present of invention, this pile chuck can be used for static pile press, extractor, pipe is pressed into or extracts the piling machinery of ground, this pile chuck comprises the casing 3 as support, longitudinally be provided with two fixed holders 11 up and down in this casing 3,12, each fixed holder 11, be provided with two bearing pins 9 in 12, as shown in Figure 2, be connected with clamping plate 15 on each bearing pin 9, these clamping plate 15 vertically are provided with, opposite side at casing 3 longitudinally is provided with two movable holders 6 up and down, 7, each movable holder 6,7 also is hinged with two clamping plate 8 by two bearing pins 13, these clamping plate 8 are arranged on the inboard of movable holder 6,7 and vertically extend.At each movable holder 6,7 outsides are provided with trough slab 14, this pile chuck of hydraulic cylinder 1(that this plate 14 and along continuous straight runs (being movable holder moving direction) are provided with is established four hydraulic cylinders altogether) pistons end link to each other, four angles of the both sides of casing 3 are provided with guide roller 2, this roller 2 can make pile chuck move both vertically on the guide rail of the leading truck of pile press, in the present invention, because clamping plate 8,15 by bearing pin 9,13 and holder 6,7,11,12 is hinged, thus these clamping plate 8, thus 15 swing of the hinge in its corresponding holder degree of irregularities of adjusting the pile peripheral surface automatically relatively.Be provided with up and down two independently clamping devices in addition in this pile chuck, thus when the vertical straightness accuracy of pile is not good, up and down formula holder can independently moving to adjust the vertically surperficial degree of irregularity of pile automatically.
Can bronze flake can be set to reduce friction at this relative motion position owing to moving of holder produces relative motion between the up and down formula holder 6,7 and between following movable holder 7 and casing 3 bottoms.
Claims (6)
1, a kind of pile chuck, it comprises support, this support is provided with fixed holder, this fixed holder is hinged with clamping plate, but the hydraulic cylinder that also is provided with the movable holder of relative fixed formula holder motion on the support and is used for driving movable holder motion, this movable holder is hinged with clamping plate, it is characterized in that being provided with two above-mentioned fixed holders and two above-mentioned movable holders along the support vertical direction, wherein each a movable holder and a corresponding fixed holder are oppositely arranged, each movable holder is furnished with its hydraulic cylinder that moves of special driving that extends along its direction of motion separately, and each movable holder is connected with an end of the hydraulic cylinder of its adapted.
2, pile chuck according to claim 1 is characterized in that the hydraulic cylinder that each movable holder is equipped with separately comprises two altogether, and an end of these two hydraulic cylinders directly links to each other with above-mentioned movable holder.
3, pile chuck according to claim 2 is characterized in that each fixed holder and each movable holder respectively are hinged with the clamping plate that are mutually certain angle.
4, pile chuck according to claim 1 is characterized in that the side that movable holder links to each other with hydraulic cylinder comprises trough slab, and this plate directly links to each other with an end of hydraulic cylinder.
5, pile chuck according to claim 1 is characterized in that above-mentioned support is a body structure.
6, pile chuck according to claim 1 is characterized in that movable holder links to each other with an end of hydraulic cylinder by the bindiny mechanism that is made of a plurality of members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94102589 CN1030511C (en) | 1994-03-15 | 1994-03-15 | Pile clipping apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94102589 CN1030511C (en) | 1994-03-15 | 1994-03-15 | Pile clipping apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1095441A CN1095441A (en) | 1994-11-23 |
| CN1030511C true CN1030511C (en) | 1995-12-13 |
Family
ID=5030731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94102589 Expired - Fee Related CN1030511C (en) | 1994-03-15 | 1994-03-15 | Pile clipping apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1030511C (en) |
-
1994
- 1994-03-15 CN CN 94102589 patent/CN1030511C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1095441A (en) | 1994-11-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Hongnan Building Machinery Engineering Co., Ltd., Shenzhen Document name: Notification of Termination of Patent Right |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |