CN205714191U - A kind of coal digging slip-off preventing hard alloy coal cutting pick - Google Patents
A kind of coal digging slip-off preventing hard alloy coal cutting pick Download PDFInfo
- Publication number
- CN205714191U CN205714191U CN201620343582.8U CN201620343582U CN205714191U CN 205714191 U CN205714191 U CN 205714191U CN 201620343582 U CN201620343582 U CN 201620343582U CN 205714191 U CN205714191 U CN 205714191U
- Authority
- CN
- China
- Prior art keywords
- coal
- hard alloy
- shank
- cutting pick
- preventing hard
- 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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Abstract
This utility model relates to a kind of pick, particularly to a kind of coal digging slip-off preventing hard alloy coal cutting pick.This coal digging slip-off preventing hard alloy coal cutting pick, including teeth portion with for the shank being connected with storehouse body, it is characterised in that: described teeth portion includes conical camber section and sphere top section；Described teeth portion bottom is connected with cylindrical transition round platform, and this excessive round platform lower end is connected with the larger diameter end of tapered shank；The described shank conical surface is evenly distributed with 4 longitudinal flutings；Described shank bottom is connected with the larger diameter end of taper base frame；The bottom surface of described base frame is provided with 3 shrinkage pools of distribution.This utility model uses stable, cost-effective, it is to avoid storehouse body excessive wear, probability that when reducing digger work, pick comes off；The advantages such as this utility model has rational in infrastructure, easy to use, are suitable for popularization and application.
Description
(1) technical field
This utility model relates to a kind of pick, particularly to a kind of coal digging slip-off preventing hard alloy coal cutting pick.
(2) background technology
Coal-winning machine and development machine are the production equipment that in colliery is important, as coal-winning machine and the important portion of development machine
Part pick, is a critical wear components in work, and therefore pick is the parts of an important mining equiment, existing
Pick, the hard alloy used by mining pick is mostly cylindrical, frustum type and polyhedron, alloy mostly use by solder flux and
Solder is welded on pick body, owing to welding with solder, there is gap between hard alloy and storehouse body, in welding with solder,
Due to the existence in gap in welding operation, solder sometimes one place is many, a place less or does not has；The many one side of solder by
Low in solder intensity, cause pick to be made weld strength reduce by repeat impact at work, few one side is bonding after making welding
Intensity is low, makes carbide filler be welded in intensity on the body of storehouse and reduces, and alloy easily comes off in the course of the work, thus can not be equably
Withstand shocks power, have impact on the bonding strength between cemented carbide body and pick body, reduces the service life of pick.
(3) utility model content
This utility model is in order to make up the deficiencies in the prior art, it is provided that a kind of coal digging slip-off preventing hard alloy coal
Pick.
This utility model is achieved by the following technical solution:
A kind of coal digging slip-off preventing hard alloy coal cutting pick, including teeth portion with for the shank being connected with storehouse body, its
It is characterised by: described teeth portion includes conical camber section and sphere top section；Described teeth portion bottom is connected with cylindrical transition round platform, should
Excessively round platform lower end is connected with the larger diameter end of tapered shank；The described shank conical surface is evenly distributed with 4 longitudinal flutings；Described handle
Bottom, portion is connected with the larger diameter end of taper base frame；The bottom surface of described base frame is provided with 3 shrinkage pools of distribution.
The subsequent corrosion of described conical camber section is 40mm, and the spherical radius of sphere top section is 6mm.
Described longitudinal fluting is connected with the shank conical surface by fillet, and this radius of corner is 0.2mm.
The subsequent corrosion of described longitudinal fluting is 8-9mm.
Described shrinkage pool includes conical section and sphere section.
The cone angle of the conical section of described shrinkage pool is 60 degree, and the spherical radius of sphere section is 1mm.
The big 0.1-0.2mm of height of the depth ratio base frame of described shrinkage pool.
The center of circle of the round hole of described shrinkage pool is positioned on the circle of a diameter of 10mm.
When this utility model uses, being welded together with storehouse body by shank, the shank of tradition pick is cylindrical, causes storehouse
Body upper and lower thickness in actual applications is identical, but due to work in frictional strength easily lead to more greatly upper end
Storehouse body serious wear, causes pick to be easy to come off；Therefore the thickness of the thickness lower part on body top, storehouse after shank uses taper
Thicker and owing to shank is provided with groove, welding when, air is discharged along groove, and pad does not haves the problem of rosin joint,
Welding material is positioned at groove and makes pick and storehouse body more tight simultaneously, reduces the probability that pick comes off, reduces cost.
The beneficial effects of the utility model are: this utility model uses stable, cost-effective, it is to avoid storehouse body excessively grinds
Damage, the probability that when reducing digger work, pick comes off；The advantages such as this utility model has rational in infrastructure, easy to use, suitable
Close popularization and application.
(4) accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is further described.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is of the present utility model to face upward diagram.
Fig. 3 is groove close-up schematic view of the present utility model.
In figure, 1 teeth portion, 2 shanks, 3 transition round platforms, 4 grooves, 5 base frames, 6 shrinkage pools, 7 fillets.
(5) detailed description of the invention
Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment includes teeth portion 1 and for being connected with storehouse body
Shank 2, described teeth portion 1 includes conical camber section and sphere top section；Described teeth portion 1 bottom is connected with cylindrical transition round platform 3, should
Excessively round platform 3 lower end is connected with the larger diameter end of tapered shank 2；Described shank 2 conical surface is evenly distributed with 4 longitudinal flutings 4；Institute
State shank 2 bottom to be connected with the larger diameter end of taper base frame 5；The bottom surface of described base frame 5 is provided with 3 shrinkage pools 6 of distribution.Described
The subsequent corrosion of conical camber section is 40mm, and the spherical radius of sphere top section is 6mm.Described longitudinal fluting 4 is by fillet 7 and handle
Portion 2 conical surface is connected, and this fillet 7 radius is 0.2mm.The subsequent corrosion of described longitudinal fluting 4 is 8-9mm.Described shrinkage pool 6 includes cone
Shape section and sphere section.The cone angle of the conical section of described shrinkage pool 6 is 60 degree, and the spherical radius of sphere section is 1mm.Described shrinkage pool 6
The big 0.1-0.2mm of height of depth ratio base frame 5.The center of circle of the round hole of described shrinkage pool 6 is positioned on the circle of a diameter of 10mm.
When this utility model uses, being welded together with storehouse body by shank 2, the shank of tradition pick is cylindrical, causes
Body upper and lower thickness in actual applications in storehouse is identical, but due to work in frictional strength easily lead to more greatly upper end
Storehouse body serious wear, cause pick to be easy to come off；Therefore the thickness of the thickness lower part on body top, storehouse after shank uses taper
Spend thicker and owing to shank 2 is provided with groove 4, air is discharged along groove 4 welding when, and pad does not haves rosin joint
Problem, welding material is positioned at groove 4 and makes pick and storehouse body more tight simultaneously, reduces the probability that pick comes off, reduces
Cost.
The most by way of example this utility model is illustrated, but this utility model is not limited to above-mentioned being embodied as
Example, all any changes done based on this utility model or modification belong to the scope that this utility model is claimed.
Claims (8)
1. a coal digging slip-off preventing hard alloy coal cutting pick, including teeth portion with for the shank being connected with storehouse body, it is special
Levy and be: described teeth portion includes conical camber section and sphere top section；Described teeth portion bottom is connected with cylindrical transition round platform, this mistake
Cross round platform lower end to be connected with the larger diameter end of tapered shank；The described shank conical surface is evenly distributed with 4 longitudinal flutings；Described shank
Bottom is connected with the larger diameter end of taper base frame；The bottom surface of described base frame is provided with 3 shrinkage pools of distribution.
Coal digging slip-off preventing hard alloy coal cutting pick the most according to claim 1, it is characterised in that: described taper is bent
The subsequent corrosion of face section is 40mm, and the spherical radius of sphere top section is 6mm.
Coal digging slip-off preventing hard alloy coal cutting pick the most according to claim 1, it is characterised in that: described longitudinal direction is recessed
Groove is connected with the shank conical surface by fillet, and this radius of corner is 0.2mm.
4. according to the slip-off preventing hard alloy coal cutting pick of the coal digging described in claim 1 or 3, it is characterised in that: described vertical
It is 8-9mm to the subsequent corrosion of groove.
Coal digging slip-off preventing hard alloy coal cutting pick the most according to claim 1, it is characterised in that: described shrinkage pool bag
Include conical section and sphere section.
Coal digging slip-off preventing hard alloy coal cutting pick the most according to claim 5, it is characterised in that: described shrinkage pool
The cone angle of conical section is 60 degree, and the spherical radius of sphere section is 1mm.
Coal digging slip-off preventing hard alloy coal cutting pick the most according to claim 5, it is characterised in that: described shrinkage pool
The big 0.1-0.2mm of height of depth ratio base frame.
Coal digging slip-off preventing hard alloy coal cutting pick the most according to claim 5, it is characterised in that: described shrinkage pool
The center of circle of round hole is positioned on the circle of a diameter of 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620343582.8U CN205714191U (en) | 2016-04-22 | 2016-04-22 | A kind of coal digging slip-off preventing hard alloy coal cutting pick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620343582.8U CN205714191U (en) | 2016-04-22 | 2016-04-22 | A kind of coal digging slip-off preventing hard alloy coal cutting pick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205714191U true CN205714191U (en) | 2016-11-23 |
Family
ID=57295400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620343582.8U Expired - Fee Related CN205714191U (en) | 2016-04-22 | 2016-04-22 | A kind of coal digging slip-off preventing hard alloy coal cutting pick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205714191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301943A (en) * | 2022-07-21 | 2022-11-08 | 深圳市中金岭南有色金属股份有限公司凡口铅锌矿 | Preparation method of mining wear-resistant impact-resistant long-life cutting tooth |
-
2016
- 2016-04-22 CN CN201620343582.8U patent/CN205714191U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301943A (en) * | 2022-07-21 | 2022-11-08 | 深圳市中金岭南有色金属股份有限公司凡口铅锌矿 | Preparation method of mining wear-resistant impact-resistant long-life cutting tooth |
| CN115301943B (en) * | 2022-07-21 | 2024-04-23 | 深圳市中金岭南有色金属股份有限公司凡口铅锌矿 | Preparation method of mining wear-resistant impact-resistant long-service-life cutting pick |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 |