CN203463025U - Sandwich drill rod - Google Patents
Sandwich drill rod Download PDFInfo
- Publication number
- CN203463025U CN203463025U CN201320449535.8U CN201320449535U CN203463025U CN 203463025 U CN203463025 U CN 203463025U CN 201320449535 U CN201320449535 U CN 201320449535U CN 203463025 U CN203463025 U CN 203463025U
- Authority
- CN
- China
- Prior art keywords
- sandwich
- drill steel
- drill rod
- installing hole
- utility
- 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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- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model discloses a sandwich drill rod which comprises a drill rod body and a sandwich. The drill rod body is provided with a sandwich installing hole, and the sandwich is fixedly arranged in the sandwich installing hole. The sandwich drill rod is simple in structure and convenient to operate, the hardness of the drill rod is improved, the abrasion degree of the drill rod is reduced, and the cost is saved.
Description
Technical field
The utility model belongs to engineering mechanical device, and concrete is a kind of drill steel.
Background technology
Drill steel is to point to bore bit transferring power, enters the shaft-like or tubular member of boring in company with bore bit, because it has good penetration power, brokenness, is often used to cut into a mountain, repairs the roads, tears open the larger operations of broken area such as room; Usually, in high-strength working, there is the problem of serious wear in existing drill steel, maintenance difficult, so that scrap.
Summary of the invention
technical problem to be solved in the utility model is to provide a kind of sandwich drill steel, improves drill steel hardness, reduces drill steel wearing and tearing, cost-saving.
For solving the problems of the technologies described above, the utility model provides a kind of sandwich drill steel, and it comprises drill steel body and sandwich, and described drill steel body has sandwich installing hole, and sandwich is fixedly installed in sandwich installing hole, and sandwich material is 15CrMo.
In described sandwich installing hole, be also provided with many group chip areas, described many groups chip area is symmetrical arranged centered by sandwich.
In drill steel operation process, its bottom is participated in strike task by plug and has been reduced wearing and tearing, has improved the application life of drill steel.
The utility model is simple in structure, easy to operate, has improved the hardness of drill steel, has reduced the wearing and tearing of drill steel, has saved cost.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the utility model.
Fig. 2 is the right side TV structure schematic diagram of Fig. 1.
The specific embodiment
Referring to accompanying drawing, a kind of sandwich drill steel, it comprises drill steel body 1 and sandwich 3, and described drill steel body has sandwich installing hole 2, and sandwich is fixedly installed in sandwich installing hole, and sandwich material is 15CrMo.
In described sandwich installing hole, be also provided with many group chip areas 4, described many groups chip area is symmetrical arranged centered by sandwich.
In drill steel operation process, its bottom is participated in strike task by plug and has been reduced wearing and tearing, has improved the application life of drill steel.
The utility model is simple in structure, easy to operate, has improved the hardness of drill steel, has reduced the wearing and tearing of drill steel, has saved cost.
Claims (1)
1. a sandwich drill steel, is characterized in that it comprises drill steel body and sandwich, and described drill steel body has sandwich installing hole, sandwich is fixedly installed in sandwich installing hole, in sandwich installing hole, be also provided with many group chip areas, described many groups chip area is symmetrical arranged centered by sandwich.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320449535.8U CN203463025U (en) | 2013-07-26 | 2013-07-26 | Sandwich drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320449535.8U CN203463025U (en) | 2013-07-26 | 2013-07-26 | Sandwich drill rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203463025U true CN203463025U (en) | 2014-03-05 |
Family
ID=50175397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320449535.8U Expired - Fee Related CN203463025U (en) | 2013-07-26 | 2013-07-26 | Sandwich drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203463025U (en) |
-
2013
- 2013-07-26 CN CN201320449535.8U patent/CN203463025U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 243000 Industrial Material Park, Bowang District, Ma'anshan City, Anhui Province Patentee after: Anhui Antong Intelligent Equipment Manufacturing Co., Ltd. Address before: 243131 New Town Industrial Concentration Zone, Bowang District, Ma'anshan City, Anhui Province Patentee before: Anhui An Tong Machinery Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20200726 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |