CN201288557Y - Digging head for cantilevered type digging machine - Google Patents
Digging head for cantilevered type digging machine Download PDFInfo
- Publication number
- CN201288557Y CN201288557Y CNU2008202205561U CN200820220556U CN201288557Y CN 201288557 Y CN201288557 Y CN 201288557Y CN U2008202205561 U CNU2008202205561 U CN U2008202205561U CN 200820220556 U CN200820220556 U CN 200820220556U CN 201288557 Y CN201288557 Y CN 201288557Y
- Authority
- CN
- China
- Prior art keywords
- pick
- head
- drill bit
- digging
- bit
- 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
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 7
- 239000011435 rock Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Earth Drilling (AREA)
Abstract
A boring head for cantilever boring machine comprises a drill bit, picks and a power device. Each pick is composed of a pick head and a pick seat. The pick seat is uniformly distributed on the conical surface of cone bit. The pick head and the conical surface of drill bit are installed on the pick seat with an angle of 35-50 DEG. The top end of drill head is provided with at least one pick. The boring head adopts the cone bit and has the advantages of quick rock breaking speed and high coal breaking rate. The circumference of conical boring head is installed with a plurality of picks. The cutting surface is large and the section with random shape can be cut.
Description
Technical field
The utility model relates to a kind of boom-type roadheader, the heading end that a kind of specifically boom-type roadheader is used.
Technical background
Boom-type roadheader is a kind of collection cutting, load, transhipment rock ballasts etc. are in the efficient heading equipment of one, be widely used in traffic, the tunnel, fields such as mining, to compare its volume little with large-scale heading equipment, in light weight, in being applicable to, the small-size coal mine operation, improve the mechanization level, reduce labor strength, have excavation speed fast, the efficient height, construction quality is good, and the amount of backbreaking is few, reduces engineering cost, and do not destroy the stability of peripheral rock stratum, help advantages such as workman's construction safety, heading end is to be used for the coal petrography that declines, cutting section in the headwork, the quality of its structure directly has influence on the efficient and the work quality of driving, existing heading end cutting cut surface is narrow, and efficient is low, and coal cinder is frangible, lump coal rate is low, has influenced drivage efficiency.
Summary of the invention
The purpose of this utility model is to be the deficiency that solves the problems of the technologies described above, and a kind of cutting efficiency height is provided, and can cut out the heading end that the boom-type roadheader of arbitrary shape section is used.
The utility model is the deficiency that solves the problems of the technologies described above, the technical scheme that is adopted is: the heading end that a kind of boom-type roadheader is used, comprise drill bit, pick and power set, the top of drill bit is provided with a pick at least, pick is made up of tooth head and pick box, pick box is evenly distributed on the taper seat of taper bit, and the taper seat of tooth head and drill bit is 35-50 degree angles and is located on the pick box.
The utility model, described tooth head is made by alloy.
The utility model, the tooth head is contained in the pick box, can dismantle, change.
The beneficial effects of the utility model are:
1, heading end adopts taper bit, and broken rock speed is fast, the lump coal rate height.
2, taper heading end circumference is equipped with manyly pick, and cut surface is big, can cut out the arbitrary shape section.
Description of drawings
Figure is the utility model structural representation.
Mark among the figure: 1, drill bit, 2, pick box, 3, the tooth head.
The specific embodiment
As shown in the figure, the heading end that a kind of boom-type roadheader is used, comprise drill bit 1 and pick, pick is made up of tooth head 3 and pick box 2, the tooth head 3 that alloy is made is contained on the pick box 2, pick is evenly distributed on spiral arrangement on the taper seat of taper bit 1, is 40 degree angles with taper bit 1, and the top spiral of taper bit 1 is provided with four picks.
The utility model, heading end adopts taper, broken easily hard coal petrography, pick distributes rationally, makes stock-removing efficiency higher.
Claims (2)
1, the heading end used of a kind of boom-type roadheader, comprise drill bit (1), pick and power set, it is characterized in that: the top of drill bit (1) is provided with a pick at least, pick is made up of tooth head (3) and pick box (2), pick box (2) is evenly distributed on the taper seat of taper bit (1), the taper seat of tooth head (3) and drill bit (1) is 35-50 degree angles and is located on the pick box (2), and the top of drill bit (1) is provided with a pick at least.
2, the heading end used of a kind of boom-type roadheader according to claim 1, it is characterized in that: described tooth head (3) is made by alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202205561U CN201288557Y (en) | 2008-10-31 | 2008-10-31 | Digging head for cantilevered type digging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202205561U CN201288557Y (en) | 2008-10-31 | 2008-10-31 | Digging head for cantilevered type digging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201288557Y true CN201288557Y (en) | 2009-08-12 |
Family
ID=40980237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202205561U Expired - Fee Related CN201288557Y (en) | 2008-10-31 | 2008-10-31 | Digging head for cantilevered type digging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201288557Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104797362A (en) * | 2012-09-28 | 2015-07-22 | 第六元素公司 | Excavating tools with impact surfaces containing ultra-hard flat surfaces |
-
2008
- 2008-10-31 CN CNU2008202205561U patent/CN201288557Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104797362A (en) * | 2012-09-28 | 2015-07-22 | 第六元素公司 | Excavating tools with impact surfaces containing ultra-hard flat surfaces |
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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: 20090812 Termination date: 20131031 |