CN201087361Y - Novel bottom expanding equipment tool rest - Google Patents
Novel bottom expanding equipment tool rest Download PDFInfo
- Publication number
- CN201087361Y CN201087361Y CNU2007200147656U CN200720014765U CN201087361Y CN 201087361 Y CN201087361 Y CN 201087361Y CN U2007200147656 U CNU2007200147656 U CN U2007200147656U CN 200720014765 U CN200720014765 U CN 200720014765U CN 201087361 Y CN201087361 Y CN 201087361Y
- Authority
- CN
- China
- Prior art keywords
- hack
- groove
- expanding equipment
- cross rod
- cross bar
- 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 special cutter saddle applied to a bottom-expanded device. The upper edge of the special cutting saddle is provided with a cross rod (2) which is connected with the shaft sleeve (1) of the bottom-expanded device, a hack cutting tool (4) is connected with the cross rod (2) through a connection rod (3), the connection rod (3) is hinged to the hack cutting tool (4), the connection rod (3) is hinged to the cross rod (2), the shaft (5) of the bottom-expanded device passes through the cross rod (2), a groove (6) is arranged on the cross rod (2), a projection (7) which can stretch into the groove (6) and matches the groove (6) is arranged on the hack cutting tool (4). As the utility model adopts the structure that the groove is arranged on the cross rod, the projection which can stretch into the groove and matches the concave groove is arranged on the hack cutting tool, and the sliding fit is formed between the hack cutting tool and the cross rod through the projection, different hack ranges can be formed, so the hack range is wide, and the use is not limited.
Description
Technical field
The utility model relates to a kind of knife rest, particularly relates to a kind of special tool-post 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 thereupon, cut the earth and the hack effect also undesirable, owing to the structure of knife rest makes applying of bottom-expanding equipment be subjected to certain limitation.Therefore be badly in need of knife rest is further improved.The applicant once applied for the Chinese utility model patent of bottom-expanding equipment special tool-post for this reason, this cutter frame structure is simple, but has a defective in actual use: owing to what adopt between hack cutter and the cross bar is the mode that is fixedly hinged, fixed angle, the hack scope is fixed, and uses and is limited to.
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 special tool-post is provided, it simple in structure, cut the earth and hack effective, and hack wide ranges.
In order to solve the problems of the technologies described above, the technical solution of the utility model is as follows: novel bottom-expanding equipment knife rest, its top is provided with the cross bar that is connected with the axle sleeve of bottom-expanding equipment, be connected by connecting rod between hack cutter and the cross bar, connecting rod and hack cutter are articulated and connected, and connecting rod and cross bar are articulated and connected, and the axle of bottom-expanding equipment passes cross bar, cross bar is provided with groove, and the hack cutter is provided with the projection that can put in the groove and be complementary with groove.
Described hack cutter is two.
Advantage of the present utility model and effect are as follows:
1, the utility model compared with prior art, simple in structure, cut the earth and hack effective, be convenient to maintenance, reduced cost, be used with bottom-expanding equipment and improved expansion substrate amount, precision and efficient, cost is low.
2, the utility model is because cross bar is provided with groove, the hack cutter be provided with can put in the groove and with the projection that groove is complementary, be slidingly matched by convexing to form between hack cutter and the cross bar, can form different hack scopes, therefore the hack wide ranges is used and is not limited to.
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, cross bar; 3, connecting rod; 4, hack cutter; 5, the axle of bottom-expanding equipment; 6, groove; 7, projection.
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 special tool-post is as follows: what the top was provided with is the cross bar 2 that is connected with the axle sleeve 1 of bottom-expanding equipment, cross bar 2 is provided with groove 6, and hack cutter 4 is provided with the projection 7 that can put in the groove 6 and be complementary with groove 6.Hack cutter 4 forms with cross bar 2 and is slidingly matched.Be connected by two connecting rods 3 respectively between two hack cutters 4 and the cross bar 2.Be connected 3 by connecting rod between hack cutter 4 and the cross bar 2, connecting rod 3 is articulated and connected with hack cutter 4, and connecting rod 3 is articulated and connected with cross bar 2, and the axle 5 of bottom-expanding equipment passes cross bar 2, and axle 5 lower ends of bottom-expanding equipment connect the shoveling cutter.
Claims (2)
1. novel bottom-expanding equipment knife rest, its top is provided with the cross bar (2) that is connected with the axle sleeve (1) of bottom-expanding equipment, be connected by connecting rod (3) between hack cutter (4) and the cross bar (2), connecting rod (3) is articulated and connected with hack cutter (4), connecting rod (3) is articulated and connected with cross bar (2), the axle of bottom-expanding equipment (5) passes cross bar (2), it is characterized in that: cross bar (2) is provided with groove (6), and hack cutter (4) is provided with the projection (7) that can put in the groove (6) and be complementary with groove (6).
2. novel bottom-expanding equipment knife rest according to claim 1 is characterized in that described hack cutter (4) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200147656U CN201087361Y (en) | 2007-09-28 | 2007-09-28 | Novel bottom expanding equipment tool rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200147656U CN201087361Y (en) | 2007-09-28 | 2007-09-28 | Novel bottom expanding equipment tool rest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201087361Y true CN201087361Y (en) | 2008-07-16 |
Family
ID=39634955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200147656U Expired - Fee Related CN201087361Y (en) | 2007-09-28 | 2007-09-28 | Novel bottom expanding equipment tool rest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201087361Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669449A (en) * | 2013-12-16 | 2014-03-26 | 北京市三一重机有限公司 | Continuous wall grab bucket |
-
2007
- 2007-09-28 CN CNU2007200147656U patent/CN201087361Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669449A (en) * | 2013-12-16 | 2014-03-26 | 北京市三一重机有限公司 | Continuous wall grab bucket |
| CN103669449B (en) * | 2013-12-16 | 2016-02-10 | 北京市三一重机有限公司 | Continuous wall grab |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080716 Termination date: 20091028 |