CN2377351Y - Pickaxe type cutter bit for coal winning machine - Google Patents
Pickaxe type cutter bit for coal winning machine Download PDFInfo
- Publication number
- CN2377351Y CN2377351Y CN 98243585 CN98243585U CN2377351Y CN 2377351 Y CN2377351 Y CN 2377351Y CN 98243585 CN98243585 CN 98243585 CN 98243585 U CN98243585 U CN 98243585U CN 2377351 Y CN2377351 Y CN 2377351Y
- Authority
- CN
- China
- Prior art keywords
- bit
- head
- winning machine
- coal
- 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
Links
Abstract
The utility model relates to a pickaxe type cutter bit for a coal winning machine, which is mainly used for winning and digging coal rock and composed of a cutting bit body and a bit head. The bit head is fixedly embedded in a bit head hole of the cutting bit body, and the utility model is characterized in that the surface of the cutting bit body and the inner circumference of the bit head hole are provided with one layer of wear-resistant layer. The utility model overcomes the phenomenon that the bit head is bunted down because of the premature abrasion of the cutting bit body, and has the effects of high strength, large hardness and strong wear resistance. The bit head is normal worn and scrapped, and the service life of a cutting bit is enhanced.
Description
The utility model relates to a kind of coal mining machine device, is a kind of coal-winning machine pick-shaped cutter specifically.
Coal-winning machine is the requisite facility in a kind of colliery, carries out coal petrography by the cutting that is packed in the pick on the coal-winning machine and excavates.Present pick structure generally all is made up of tooth head and pick body; the soldering of tooth head is in the end of pick body; because pick will bear high compressive stress, shearing force and impact load; denticle occurring through regular meeting is worn; the tooth head process is gone out and by the phenomenon that knocked, make tooth head improper scrapping under the situation of not worn and torn fully.Increase mining costs and had influence on coal mining efficient.
The purpose of this utility model is to provide a kind of coal-winning machine pick-shaped cutter that increases pick body abrasion resistance and intensity, can realize the normal abandonment of tooth head.
The utility model is achieved in that
The coal-winning machine pick-shaped cutter mainly is made up of pick body and hard-metal insert head, and the tooth head is embedded in the gear head hole of denticle end admittedly by soldering, it is characterized in that: also be provided with one deck wearing layer around in the surface of described pick body and the gear head hole.
After the utility model adopts above structure, owing to be provided with one deck wearing layer around in the surface of pick body and gear head hole, increased intensity, hardness and the anti-wear performance of pick body, and be difficult for embrittlement, overcome the wearing and tearing too early of pick body and made the phenomenon that the tooth head is knocked.Simultaneously, the anti-layer of high rigidity mill has also improved the mechanical strength and the fatigue resistance of pick body to the compressive stress of pick body; Have between tooth head, the pick body and install firm, wear-resisting, easily manufactured effect, realized the normal abandonment of tooth head; The special hard coal stone of digging, ten thousand tons of consumption of coal 60-70 prop up, and be 1-2 times of general pick body application life.
Accompanying drawing is a kind of structural representation of the present utility model;
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
In the accompanying drawing, 1 is the pick body, and 2 is the tooth head, and 3 is wearing layer, and 4 is gear head hole.
As accompanying drawing as showing, the utility model coal-winning machine mainly is made up of chirotype pick body 1 and tooth head 2 with pick-shaped cutter, pick body 1 is provided with gear head hole 4, evenly is provided with one deck wearing layer 3 around in the surface of pick body 1 and gear head hole 4, by soldering tooth head 2 is embedded on the pick body 1 admittedly again.
This wearing layer 3 is one deck high-strength abrasion-proof material, as high-carbon alloy steel, high hardness wear-resisting alloy etc.
Claims (1)
1, coal-winning machine pick-shaped cutter, mainly form by pick body (1) and hard-metal insert head (2), tooth head (2) is embedded in the gear head hole (4) of denticle end admittedly by soldering, it is characterized in that: also do not have one deck wearing layer (3) around in the surface of described pick body (1) and the gear head hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98243585 CN2377351Y (en) | 1998-11-27 | 1998-11-27 | Pickaxe type cutter bit for coal winning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98243585 CN2377351Y (en) | 1998-11-27 | 1998-11-27 | Pickaxe type cutter bit for coal winning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2377351Y true CN2377351Y (en) | 2000-05-10 |
Family
ID=33989945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98243585 Expired - Fee Related CN2377351Y (en) | 1998-11-27 | 1998-11-27 | Pickaxe type cutter bit for coal winning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2377351Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101513706B (en) * | 2009-04-01 | 2010-04-14 | 河南省煤科院耐磨技术有限公司 | Method for processing wear-proof head separation prevention pickaxe type cutting pick |
| CN102472097A (en) * | 2009-07-09 | 2012-05-23 | 斯克皮尔塔公司 | Wear-resistant attachments for high-wear applications |
| CN103233736A (en) * | 2013-04-16 | 2013-08-07 | 黑龙江科技学院 | Conical pick with non-arc conical surface carbide tip and elasticity function structure |
-
1998
- 1998-11-27 CN CN 98243585 patent/CN2377351Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101513706B (en) * | 2009-04-01 | 2010-04-14 | 河南省煤科院耐磨技术有限公司 | Method for processing wear-proof head separation prevention pickaxe type cutting pick |
| CN102472097A (en) * | 2009-07-09 | 2012-05-23 | 斯克皮尔塔公司 | Wear-resistant attachments for high-wear applications |
| CN102472097B (en) * | 2009-07-09 | 2015-03-04 | 斯克皮尔塔公司 | Wear-resistant attachments for high-wear applications |
| CN103233736A (en) * | 2013-04-16 | 2013-08-07 | 黑龙江科技学院 | Conical pick with non-arc conical surface carbide tip and elasticity function structure |
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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 |