CN200988961Y - Cutter frame for bottom expansion device - Google Patents
Cutter frame for bottom expansion device Download PDFInfo
- Publication number
- CN200988961Y CN200988961Y CN 200620094001 CN200620094001U CN200988961Y CN 200988961 Y CN200988961 Y CN 200988961Y CN 200620094001 CN200620094001 CN 200620094001 CN 200620094001 U CN200620094001 U CN 200620094001U CN 200988961 Y CN200988961 Y CN 200988961Y
- Authority
- CN
- China
- Prior art keywords
- bottom expanding
- expanding equipment
- utility
- cutter
- tool
- 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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- Earth Drilling (AREA)
Abstract
The utility model relates to a tool holder, in particular to a bottom expanding tool holder. The upper side is provided with a cross-bar connected with the shaft sleeve of the bottom expanding device, the two ends of the cross-bar is articulated with the tool, the axis of the bottom expanding device is provided with a groove, the link rod connecting the tool and the axis of the bottom expanding device are in sliding connection through the groove, the other end of the connecting rod is connected with the tool. Compared with the prior art, the utility model has the advantages of simple structure, good bottom expanding effects, convenient maintenance, lower cost, that the connection with the bottom expanding device improves the bottom expanding quality, precision and efficiency and has lower cost.
Description
Technical field
The utility model relates to a kind of knife rest, particularly relates to a kind of knife rest that is applicable to bottom-expanding equipment.
Background technology
Along with the development gradually of builing industry, the construction of high-rise building is more and more, and highrise building also is more and more higher to the demands for bearing capacity of ground.In order to increase single pile bearing capacity, prior art is to adopt expanded bore pile to improve bearing capacity of single pile, can also reduce cost simultaneously.Also arise at the historic moment for cooperating expanded bore pile to expand end shoveling equipment, but present bottom-expanding equipment cutter frame structure is very complicated, it is also undesirable to expand end effect thereupon, owing to the structure of knife rest makes applying of bottom-expanding equipment be subjected to certain limitation.Therefore be badly in need of existing knife rest is further improved.
The utility model content
The utility model is exactly in order to solve the problems of the technologies described above, and a kind of bottom-expanding equipment knife rest is provided, it simple in structure, and it is effective to expand the end.
In order to solve the problems of the technologies described above, the technical solution of the utility model is as follows: a kind of bottom-expanding equipment knife rest, its structure is: the top is provided with the cross bar that is connected with the axle sleeve of bottom-expanding equipment, cross bar two ends and cutter are hinged, offer groove on the axle of bottom-expanding equipment, connect the connecting rod of cutter and the axle of bottom-expanding equipment and be slidingly connected by groove, the other end and the cutter of connecting rod are hinged.
Described cutter is two.
Advantage of the present utility model and effect are as follows:
The utility model compared with prior art, and is simple in structure, and it is effective to expand the end, is convenient to safeguard, reduced cost, is used with bottom-expanding equipment and improved expansion substrate amount, precision and efficient, and cost is low.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1, the axle sleeve of bottom-expanding equipment; 2, the axle of bottom-expanding equipment; 3, cross bar; 4 cutters; 5, connecting rod.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described.
As shown in Figure 1, the structure of the utility model bottom-expanding equipment knife rest is as follows: what the top was provided with is the cross bar 3 that is connected with the axle sleeve 1 of bottom-expanding equipment, cross bar 3 two ends are a hinged cutter 4 respectively, respectively establish a connecting rod 5 between the axle 2 of two cutters 4 and bottom-expanding equipment, offer groove on the axle 2 of bottom-expanding equipment, be slidingly connected by groove between the connecting rod 5 of connection cutter 4 and the axle 2 of bottom-expanding equipment, the other end of connecting rod 5 and cutter 4 are hinged.
Claims (2)
1, a kind of bottom-expanding equipment knife rest, it is characterized in that structure is: the top is provided with the cross bar that is connected with the axle sleeve of bottom-expanding equipment, cross bar two ends and cutter are hinged, offer groove on the axle of bottom-expanding equipment, connect the connecting rod of cutter and the axle of bottom-expanding equipment and be slidingly connected by groove, the other end and the cutter of connecting rod are hinged.
2, bottom-expanding equipment knife rest according to claim 1 is characterized in that described cutter is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620094001 CN200988961Y (en) | 2006-11-09 | 2006-11-09 | Cutter frame for bottom expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620094001 CN200988961Y (en) | 2006-11-09 | 2006-11-09 | Cutter frame for bottom expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200988961Y true CN200988961Y (en) | 2007-12-12 |
Family
ID=38939996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620094001 Expired - Fee Related CN200988961Y (en) | 2006-11-09 | 2006-11-09 | Cutter frame for bottom expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200988961Y (en) |
-
2006
- 2006-11-09 CN CN 200620094001 patent/CN200988961Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |