CN104405390A - Novel pick-shaped cutter apparatus - Google Patents
Novel pick-shaped cutter apparatus Download PDFInfo
- Publication number
- CN104405390A CN104405390A CN201410643145.3A CN201410643145A CN104405390A CN 104405390 A CN104405390 A CN 104405390A CN 201410643145 A CN201410643145 A CN 201410643145A CN 104405390 A CN104405390 A CN 104405390A
- Authority
- CN
- China
- Prior art keywords
- cutter
- toothholder
- pick
- ball
- end cover
- 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.)
- Granted
Links
- 238000005520 cutting process Methods 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 7
- 239000000956 alloy Substances 0.000 claims abstract description 5
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 5
- 201000011180 Dental Pulp Calcification Diseases 0.000 claims description 13
- 239000003245 coal Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 6
- 239000011435 rock Substances 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/19—Means for fixing picks or holders
- E21C35/193—Means for fixing picks or holders using bolts as main fixing elements
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Scissors And Nippers (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
A novel pick-shaped cutter apparatus comprises a pick-shaped cutter, a cutter seat and a cutter fixing disc; the pick-shaped cutter comprises an alloy head and a cutter body; the cutter seat comprises a cutter-seat upper end cover, a cutter-seat main body, a cutter-seat lower end cover and balls; the balls are installed at two ends of the cutter seat, and are fixedly by ball fixing holes on the cutter-seat upper and lower end covers; the cutter-seat upper and lower end covers are fixedly disposed on the cutter-seat main body via screws; the pick-shaped cutter is installed on the cutter seat, a guide groove of the pick-shaped cutter is matched with the ball fixed by the upper end cover, and a seal boss of the pick-shaped cutter is matched with a seal groove of the cutter-seat upper end cover to form labyrinth seal for preventing dust in a cutting process from entering; and the cutter fixing disc is fixedly disposed on the pick-shaped cutter via screws for preventing the pick-shaped cutter from playing on the cutter seat, and the cooperation form of the cutter fixing disc and the cutter seat is same to that of the cutter. The apparatus is simple and compact in structure, and in the coal cutting process, because of the ball effect, when the cutter is affected by coal rock, slide is generated between the cutter and the cutter seat, and the cutter freely rotates, and finally the cutter is normally worn and discarded.
Description
Technical field
The present invention relates to a kind of novel pick-shaped cutter device, be particularly useful for down-hole coal petrography driving with in the operating mechanism of the development machine exploited, drum shearer and the formula of boring coal-winning machine.
Technical background
In recent years, by the outstanding problem of resource restriction, there is the phenomenon of the wasting of resources in China coal industry sustainable development.Mainly refer to ultra-thin coal seam, girdle, half coal petrography coal seam, dirt band coal seam, hard inclusion enclave coal seam etc., account for about 30% of coal in China recoverable reserves to exist due to difficulty exploitation and abandon the situation of adopting, and become urgently working seam now.These coal seams are coal petrography mixtures, and compressive strength is many higher than 40MPa, strengthen during construction to the impact of digging armament-related work mechanism and cutter, wearing and tearing.Digging armament-related work mechanism is the critical piece in coal petrography cutting course, and wherein pick-shaped cutter is directly and coal petrography mutual effect, its life-span also directly affects the Cutting Performance of cutterhead, reliability and the application life of improving pick improve the compliance of digging equipment and the key of reliability, therefore need the research carried out wear resistant cutting pick in a hurry, develop a kind of novel, wear-resisting pick-shaped cutter device.
Summary of the invention
Technical problem: the object of the invention is for Problems existing in prior art, provides the pick-shaped cutter device that a kind of structure is simple, can improve abrasion resistance, application life.
Technical scheme: novel pick-shaped cutter device of the present invention, comprises toothholder, is located at the pick-shaped cutter on toothholder and is located at the pick fixed disk bottom toothholder;
Described pick-shaped cutter comprises denticle, the alloy head be located on denticle, and denticle is provided with seal boss I and gathering sill I;
Described toothholder comprises toothholder upper end cover, toothholder main body, toothholder bottom end cover, wherein toothholder upper end cover is provided with sealed groove I and ball fixing hole I, toothholder bottom end cover is provided with sealed groove II and ball fixing hole II, and toothholder main body two ends are respectively equipped with the ball groove for installing ball;
The two ends of described toothholder are respectively equipped with ball, and the ball fixing hole that ball is covered by toothholder upper and lower side is respectively fixed, and are fixed in toothholder main body by screw;
Described pick-shaped cutter is installed on and is provided with on the toothholder of ball, the part that its gathering sill I and ball protrude from toothholder upper end cover matches, its seal boss I matches to be formed with the sealed groove I of toothholder upper end cover and seals, for the rotation preventing the dust in cutting course from entering to affect ball;
Described pick fixed disk is provided with seal boss II and gathering sill II; Pick fixed disk is fixed on pick-shaped cutter by screw, for preventing the play of pick-shaped cutter on toothholder, the part that its gathering sill II and ball protrude from toothholder bottom end cover matches, its seal boss II matches to be formed with the sealed groove II of toothholder bottom end cover and seals, for the rotation preventing the dust in cutting course from entering to affect ball.
The ball groove at described toothholder main body two ends is noncontinuity groove, is separated with screw hole between groove.
Gathering sill I on described denticle and pick fixed disk and gathering sill II are continuity groove.
The profile that described toothholder upper and lower side covers the ball fixing hole I, II offered is spherical, and its spherical radius is greater than the radius of ball, and ball can be made freely to rotate on toothholder.
Beneficial effect: owing to have employed technique scheme, the present invention is in coal petrography cutting process, effect due to ball makes pick-shaped cutter when being subject to coal petrography effect, and there is sliding friction between toothholder, can rotate freely on toothholder, thus substantially increase the application life of pick-shaped cutter, it is simple and compact for structure, reliability is high, and result of use is good.
Accompanying drawing explanation
Fig. 1 is novel pick-shaped cutter device sectional view of the present invention;
Fig. 2 (a) is pick-shaped cutter denticle top view of the present invention;
Fig. 2 (b) is pick-shaped cutter denticle front view of the present invention;
Fig. 3 (a) is toothholder upper end cover sectional view of the present invention;
Fig. 3 (b) is toothholder upper end cover front view of the present invention;
Fig. 4 (a) is toothholder main body view of the present invention;
Fig. 4 (b) is toothholder main body A direction view of the present invention;
Fig. 4 (c) is toothholder main body B direction view of the present invention;
Fig. 5 (a) is toothholder bottom end cover sectional view of the present invention;
Fig. 5 (b) is toothholder bottom end cover front view of the present invention;
Fig. 6 (a) is pick fixed disk sectional view of the present invention;
Fig. 6 (b) is pick fixed disk front view of the present invention.
In figure: 1-pick-shaped cutter; 1-1-alloy head; 1-2-denticle; 1-2-1-seal boss I; 1-2-2-gathering sill I; 2-toothholder; 2-1-toothholder upper end cover; 2-2-toothholder main body; 2-3 toothholder bottom end cover; 2-4-ball; 2-1-1-ball fixing hole I; 2-1-2-sealed groove I; 2-2-1-ball groove I; 2-1-2-ball groove II; 2-3-1-sealed groove II; 2-3-2-ball fixing hole II; 3-pick fixed disk; 3-1-seal boss II; 3-2-gathering sill II.
Detailed description of the invention
Below in conjunction with accompanying drawing, one embodiment of the present of invention are further described:
As shown in Figure 1, novel pick-shaped cutter device of the present invention, is formed primarily of pick-shaped cutter 1, toothholder 2 and pick fixed disk 3, and described pick-shaped cutter 1 comprises alloy head 1-1, denticle 1-2; Toothholder comprises toothholder upper end cover 2-1, toothholder main body 2-2, toothholder bottom end cover 2-3 and ball 2-4; Described ball 2-4 is installed on toothholder 2 two ends, and is fixed by toothholder upper end cover 2-1 and toothholder bottom end cover 2-3, and toothholder upper end cover 2-1 and toothholder bottom end cover 2-3 is fixed on toothholder main body 2-2 by screw; Described pick-shaped cutter 1 is installed on and is provided with on the toothholder 2 of ball 2-4; Described pick fixed disk 3 is fixed on pick-shaped cutter 1 by screw, for preventing the play of pick-shaped cutter 1 on toothholder 2.
As shown in Fig. 2 (a), (b), described denticle 1-2 is provided with seal boss I 1-2-1 and gathering sill I 1-2-2, and wherein, gathering sill I 1-2-2 is continuity groove.
As shown in Fig. 3 (a), (b), described toothholder upper end cover 2-1 has ball fixing hole I 2-1-1 and sealed groove I 2-1-2, wherein ball fixing hole I 2-1-1 profile is spherical, and its spherical radius is greater than the radius of ball 2-4, ball 2-4 freely can be rotated on toothholder 2.
As shown in Fig. 4 (a), (b), (c), described toothholder main body 2-2 is provided with ball groove I 2-2-1 and ball groove II 2-2-2, for installing ball, because needs install toothholder upper end cover 2-1 by screw, toothholder bottom end cover 2-3, this ball groove I 2-2-1, ball groove II 2-2-2 are noncontinuity groove, and middle ware is separated with screw hole.
As shown in Fig. 5 (a), (b), described toothholder bottom end cover 2-3 has ball fixing hole II 2-3-1 and sealed groove II 2-3-2, wherein ball fixing hole I 2-3-1 profile is spherical, and its spherical radius is greater than the radius of ball 2-4, ball 2-4 freely can be rotated on toothholder 2.
As shown in Fig. 6 (a), (b), pick fixed disk 3 is provided with seal boss II 3-1 and gathering sill II 3-2, and wherein, gathering sill II 3-2 is continuity groove.
Operating principle: ball is installed on toothholder two ends, and the ball fixing hole I, II covered by toothholder upper and lower side is fixed, and the upper and lower end cap of toothholder is fixed in toothholder main body by screw; Pick-shaped cutter is installed on and is provided with on the toothholder of ball, the part that its gathering sill I and ball protrude from toothholder upper end cover matches, its seal boss I matches to be formed with the sealed groove I of toothholder upper end cover and seals, for the rotation preventing the dust in cutting course from entering to affect ball; Pick fixed disk is fixed on pick-shaped cutter by screw, for preventing the play of pick-shaped cutter on toothholder, the part that its gathering sill II and ball protrude from toothholder bottom end cover matches, its seal boss II matches to be formed with the sealed groove II of toothholder bottom end cover and seals, for the rotation preventing the dust in cutting course from entering to affect ball.This Novel cutting tooth apparatus structure overall simple is compact, and in coal petrography cutting process, the effect due to ball makes pick-shaped cutter when being subject to coal petrography effect, and between toothholder, sliding friction occurs, and can rotate freely, finally scrap with normal wear on toothholder.
Claims (4)
1. a novel pick-shaped cutter device, is characterized in that: it comprises toothholder (2), is located at the pick-shaped cutter (1) on toothholder (2) and is located at the pick fixed disk (3) bottom toothholder (2);
Described pick-shaped cutter (1) comprises denticle (1-2), the alloy head (1-1) be located on denticle (1-2), and denticle (1-2) is provided with seal boss I (1-2-1) and gathering sill I (1-2-2);
Described toothholder (2) comprises toothholder upper end cover (2-1), toothholder main body (2-2), toothholder bottom end cover (2-3), wherein toothholder upper end cover (2-1) is provided with sealed groove I (2-1-2) and ball fixing hole I (2-1-1), toothholder bottom end cover (2-3) is provided with sealed groove II (2-3-2) and ball fixing hole II (2-3-1), and toothholder main body (2-2) two ends are respectively equipped with the ball groove for installing ball;
The two ends of described toothholder (2) are respectively equipped with ball (2-4), and the ball fixing hole that ball (2-4) is covered by toothholder upper and lower side is respectively fixed, and are fixed in toothholder main body (2-2) by screw;
Described pick-shaped cutter (1) be installed on be provided with ball (2-4) toothholder (2) on, the part that its gathering sill I (1-2-2) and ball (2-4) protrude from toothholder upper end cover (2-1) matches, its seal boss I (1-2-1) matches to be formed with the sealed groove I (2-1-2) of toothholder upper end cover (2-1) and seals, for the rotation preventing the dust in cutting course from entering to affect ball;
Described pick fixed disk (3) is provided with seal boss II (3-1) and gathering sill II (3-2); Pick fixed disk (3) is fixed on pick-shaped cutter (1) by screw, for preventing the play of pick-shaped cutter (1) on toothholder (2), the part that its gathering sill II (3-2) and ball (2-4) protrude from toothholder bottom end cover (2-3) matches, its seal boss II (3-1) matches to be formed with the sealed groove II (2-3-2) of toothholder bottom end cover (2-3) and seals, for the rotation preventing the dust in cutting course from entering to affect ball.
2. the novel pick-shaped cutter device of one according to claim 1, is characterized in that: the ball groove at described toothholder main body (2-2) two ends is noncontinuity groove, is separated with screw hole between groove.
3. the novel pick-shaped cutter device of one according to claim 1, is characterized in that: the gathering sill I (1-2-2) on described denticle (1-2) and pick fixed disk (3) and gathering sill II (3-2) are continuity groove.
4. the novel pick-shaped cutter device of one according to claim 1, it is characterized in that: described toothholder upper and lower side covers ball fixing hole I, the II (2-1-1 offered, profile 2-3-1) is spherical, and its spherical radius is greater than the radius of ball (2-4), ball (2-4) can be made above freely to rotate at toothholder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410643145.3A CN104405390B (en) | 2014-11-13 | 2014-11-13 | A kind of novel pick-shaped cutter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410643145.3A CN104405390B (en) | 2014-11-13 | 2014-11-13 | A kind of novel pick-shaped cutter device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104405390A true CN104405390A (en) | 2015-03-11 |
| CN104405390B CN104405390B (en) | 2016-07-06 |
Family
ID=52643046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410643145.3A Expired - Fee Related CN104405390B (en) | 2014-11-13 | 2014-11-13 | A kind of novel pick-shaped cutter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104405390B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2716177A1 (en) * | 1976-04-14 | 1977-10-20 | Voest Ag | Multi pick rotary coal cutter - has each pick stem retained by U-clip inserted through boss of holder (OE 15.8.77) |
| US4247150A (en) * | 1978-06-15 | 1981-01-27 | Voest-Alpine Aktiengesellschaft | Bit arrangement for a cutting tool |
| CN102454404A (en) * | 2010-10-15 | 2012-05-16 | 吕增和 | Pick |
| US20130307319A1 (en) * | 2010-01-20 | 2013-11-21 | Element Six Holding Gmbh | Pick tool and method for making same |
| CN203515589U (en) * | 2013-08-29 | 2014-04-02 | 安庆市灵宝机械有限责任公司 | Convenient-to-assemble-and-disassemble thread chip-removing type coal cutting pick |
| CN203808998U (en) * | 2014-04-25 | 2014-09-03 | 山西利普利拓煤机部件制造有限公司 | Heading machine gun head cutting part component with dustproof structure |
-
2014
- 2014-11-13 CN CN201410643145.3A patent/CN104405390B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2716177A1 (en) * | 1976-04-14 | 1977-10-20 | Voest Ag | Multi pick rotary coal cutter - has each pick stem retained by U-clip inserted through boss of holder (OE 15.8.77) |
| US4247150A (en) * | 1978-06-15 | 1981-01-27 | Voest-Alpine Aktiengesellschaft | Bit arrangement for a cutting tool |
| US20130307319A1 (en) * | 2010-01-20 | 2013-11-21 | Element Six Holding Gmbh | Pick tool and method for making same |
| CN102454404A (en) * | 2010-10-15 | 2012-05-16 | 吕增和 | Pick |
| CN203515589U (en) * | 2013-08-29 | 2014-04-02 | 安庆市灵宝机械有限责任公司 | Convenient-to-assemble-and-disassemble thread chip-removing type coal cutting pick |
| CN203808998U (en) * | 2014-04-25 | 2014-09-03 | 山西利普利拓煤机部件制造有限公司 | Heading machine gun head cutting part component with dustproof structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104405390B (en) | 2016-07-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Songyong Inventor after: Cheng Gang Inventor after: Chen Yueqiang Inventor after: Jia Jian Inventor after: Liu Xiaohui Inventor after: Zhu Zhencai Inventor after: Jiang Hongxiang Inventor after: Shen Gang Inventor after: Li Wei Inventor after: Tang Wei Inventor after: Li Hongsheng Inventor after: Liu Yangyang Inventor before: Liu Xiaohui Inventor before: Liu Songyong Inventor before: Du Changlong Inventor before: Tang Ping Inventor before: Jiang Hongxiang Inventor before: Wu Hongzhuang Inventor before: Han Dongdong Inventor before: Ji Yun Inventor before: Xue Yugang |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20161113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |