CN111577276A - Mining cutting tooth - Google Patents
Mining cutting tooth Download PDFInfo
- Publication number
- CN111577276A CN111577276A CN202010599610.3A CN202010599610A CN111577276A CN 111577276 A CN111577276 A CN 111577276A CN 202010599610 A CN202010599610 A CN 202010599610A CN 111577276 A CN111577276 A CN 111577276A
- Authority
- CN
- China
- Prior art keywords
- cutting pick
- head
- cutting
- inner shaft
- pick
- 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.)
- Pending
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 67
- 238000005065 mining Methods 0.000 title claims abstract description 21
- 239000000956 alloy Substances 0.000 claims abstract description 23
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000036346 tooth eruption Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Images
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
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)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention discloses a mining cutting pick, wherein a cutting pick handle is fixedly connected to one end of a cutting pick head, the cutting pick head and the cutting pick handle are both provided with circular holes which are communicated with each other, the inner wall of an opening at one end, close to the cutting pick head, of each circular hole is provided with a first clamping groove, one end, far away from the cutting pick handle, of each cutting pick head is provided with a hard alloy cutter head, one side of each hard alloy cutter head is fixedly connected with an inner shaft, the outer side of one end, close to the inner shaft, of each inner shaft is fixedly connected with a fin plate, the fin plate is clamped in the first clamping groove, a shaft body of the inner shaft penetrates through the circular holes, one end of the cutting. The cutting pick has the advantages that the wear part on the cutting pick is replaced by the hard alloy tool bit through mutual cooperation of all parts, the tightness degree between the hard alloy tool bit and the cutting pick is higher, the hard alloy tool bit is effectively prevented from loosening through the safety structure, the use of people is facilitated, and the use requirements of people in production and life are met.
Description
Technical Field
The invention relates to the technical field of mining equipment, in particular to a mining cutting pick.
Background
The cutting teeth are divided into cutting teeth of a coal mining machine and cutting teeth of a heading machine, are parts on the heading machine, have higher requirements on hardness, contain graphite impurities, have uneven grain distribution, more pores and uneven tissues, and are the main reasons for abrasion of the hard alloy head, and the content of alloy elements in the alloy does not meet the requirements; the quality performance of the tooth body material is unstable, and improper control of the heat treatment process is the reason for abrasion of the tooth body.
The alloy head belongs to wearing and tearing piece in the use of pick, and the regular needs are changed, and current mining pick is at the inconvenience of the in-process ten minutes of changing, and simultaneously, the inseparable degree of alloy head and pick is also relatively poor, has not satisfied the user demand of people in the production life.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a mining cutting pick.
In order to achieve the purpose, the invention adopts the following technical scheme:
a mining cutting pick comprises a cutting pick head and a cutting pick handle, wherein the cutting pick handle is fixedly connected to one end of the cutting pick head, the cutting pick head and the cutting pick handle are respectively provided with a circular hole which is communicated with each other, a first clamping groove is formed in the inner wall of an opening at one end, close to the cutting pick head, of the circular hole, a hard alloy cutter head is arranged at one end, away from the cutting pick handle, of the cutting pick head, an inner shaft is fixedly connected to one side of the hard alloy cutter head, a fin plate is fixedly connected to the outer side of one end, close to the inner shaft, of the inner shaft, the fin plate is clamped in the first clamping groove, a shaft body of the inner shaft penetrates through the circular hole, a circular side cavity is formed in one end of the cutting pick handle, the circular side cavity is communicated with the circular hole, a second clamping groove is formed in the inner wall, close to the circular side cavity, a third clamping groove is formed in the, the round side intracavity is provided with the twisting plate, the perpendicular insertion of one side fixedly connected with insurance of twisting plate, the one end that the insurance was erect and is inserted is passed and extend to interior draw-in groove two from the spacing inslot, the screw hole has been seted up to the opposite side of twisting plate, still is provided with the bottom in the round side intracavity, the bottom is located one side that the cutting tooth head was kept away from to the twisting plate, T font through-hole has been seted up to the body of rod of bottom, and sliding connection has the insurance to violently insert in the T font through-hole, and the insurance violently inserts the one end that is close to each other respectively fixedly connected with handle, two the one side that the handle is close to each other is provided with the spring, the other end that the.
Preferably, an annular mounting groove is formed in the outer side of one end, far away from the pick head, of the pick handle.
Preferably, one side of each handle close to each other is fixedly connected with a spring fixing column, and two ends of each spring are fixedly sleeved on the outer side of the corresponding spring fixing column.
Preferably, a plurality of the safety pins are vertically inserted and distributed outside one end of the inner shaft in a divergent mode.
Preferably, the fin plate and the first clamping groove are distributed around one end of the inner shaft in a divergent mode.
Preferably, one side of the bottom cover is in contact connection with the screw plate.
Compared with the prior art, the invention provides a mining cutting pick, which has the following beneficial effects:
the cutting pick has the advantages that the wear part on the cutting pick is replaced by the hard alloy tool bit through mutual cooperation of all parts, the tightness degree between the hard alloy tool bit and the cutting pick is higher, the hard alloy tool bit is effectively prevented from loosening through the safety structure, the use of people is facilitated, and the use requirements of people in production and life are met.
Drawings
FIG. 1 is a schematic structural view of a front section of a mining pick according to the present invention;
FIG. 2 is a schematic front cross-sectional view of a portion of a mining pick in accordance with the present invention;
FIG. 3 is a schematic view of a top cross-sectional structure of a mining pick according to the present invention;
figure 4 is a schematic top cross-sectional view of a locking collar of a mining pick in accordance with the present invention.
In the figure: the cutting pick comprises a cutting pick head 1, a hard alloy tool bit 2, a cutting pick handle 3, an inner shaft 4, a fin plate 5, a locking lantern ring 6, a twisting plate 7, a safety vertical plug 8, a bottom cover 9, a safety transverse plug 10, a spring 11, a spring fixing column 12 and a handle 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example one
Referring to fig. 1-4, a mining cutting pick comprises a cutting pick head 1 and a cutting pick handle 3, the cutting pick handle 3 is fixedly connected with one end of the cutting pick head 1, the cutting pick head 1 and the cutting pick handle 3 are both provided with mutually communicated circular holes, a first clamping groove is arranged on the inner wall of an opening at one end of the circular hole close to the cutting pick head 1, a hard alloy tool bit 2 is arranged at one end of the cutting pick head 1 far away from the cutting pick handle 3, an inner shaft 4 is fixedly connected with one side of the hard alloy tool bit 2, a fin plate 5 is fixedly connected with the outer side of one end of the inner shaft 4 close to the inner shaft, the fin plate 5 is clamped in the first clamping groove, a shaft body of the inner shaft 4 penetrates through the circular hole, a circular side cavity is arranged at one end of the cutting pick handle 3, the circular side cavity is communicated with the circular hole, a second clamping groove is arranged on the inner wall of one side, the ring body both sides card of the locking lantern ring 6 is equipped with the spacing groove, be provided with twisting plate 7 in the circular side intracavity, 8 is inserted to one side fixedly connected with insurance of twisting plate 7, the insurance erects the one end of inserting 8 and passes and extend to in the interior draw-in groove two from the spacing inslot, the screw hole has been seted up to twisting plate 7's opposite side, round side intracavity still is provided with bottom 9, bottom 9 is located one side that cutting tooth head 1 was kept away from to twisting plate 7, T font through-hole has been seted up to the body of rod of bottom 9, sliding connection has insurance violently to insert 10 in the T font through-hole, insurance violently inserts 10 has two, and the one end difference fixedly connected with handle 13 that 10 are close to each other is violently inserted to two insurances, one side that two handles 13 are.
In the embodiment, when assembling and replacing the hard alloy cutter head 2 on the cutting pick head 1, the inner shaft 4 on one side of the hard alloy cutter head 2 is inserted into the circular hole, the fin plate 5 on the outer side of one end of the inner shaft 4 is clamped in the first clamping groove, then the locking sleeve ring 6 is sleeved on the outer side of one end of the inner shaft 4 in the circular side cavity, the safety vertical insertion 8 on one side of the twisting plate 7 is moved into the limiting groove on the outer side, the twisting plate 7 is twisted by the screwdriver, the twisting plate 7 drives the locking sleeve ring 6 to rotate by the locking sleeve ring 6 while rotating, the locking sleeve ring 6 slides on the outer side of the inner shaft 4, finally the hard alloy cutter head 2 is locked and fixed at one end of the cutting pick head 1, the twisting plate 7 is pushed and pushed, one end of the safety vertical insertion 8 is clamped into the second clamping groove, then the handle 13 is moved in opposite directions by overcoming the elasticity of the spring 11, and the bottom cover 9, and releasing the handle 13 to clamp one end of the safety transverse insert 10 into the third clamping groove.
Example two
As shown in fig. 1-4, this embodiment is substantially the same as embodiment 1, and preferably, an annular mounting groove is formed on the outer side of one end of the cutting pick shank 3 away from the cutting pick head 1.
In this embodiment, the arrangement of the annular mounting groove enables the device to be mounted in a cutting pick mounting seat on the mine heading equipment.
EXAMPLE III
As shown in fig. 1-4, this embodiment is substantially the same as embodiment 1, and preferably, spring fixing posts 12 are fixedly connected to the sides of the two handles 13 close to each other, and two ends of the spring 11 are fixedly sleeved outside the posts of the spring fixing posts 12.
In this embodiment, the spring 11 is arranged to stably clamp the safety horizontal plug 10 in the third slot.
Example four
As shown in fig. 1 to 4, this embodiment is substantially the same as embodiment 1, and preferably, a plurality of the safety vertical pins 8 are distributed on the outer side of one end of the inner shaft 4 in a divergent manner.
In this embodiment, the safety vertical insertion 8 is arranged, so that the inner shaft 4 and the safety vertical insertion 8 do not rotate relatively, and the pick head 1 and the carbide bit 2 are always stably connected.
EXAMPLE five
As shown in fig. 1 to 4, this embodiment is substantially the same as embodiment 1, and preferably, a plurality of fins 5 and a plurality of slots are distributed around one end of the inner shaft 4 in a divergent manner.
In the embodiment, the inner shaft 4, the cutting pick head 1 and the cutting pick handle 3 cannot rotate relatively, and are symmetrically arranged, so that the stability is better.
EXAMPLE six
As shown in fig. 1 to 4, this embodiment is substantially the same as embodiment 1, and preferably, one side of the bottom cover 9 is in contact connection with the screw plate 7.
In this embodiment, the safety vertical plug 8 cannot be removed from the second slot, thereby achieving double safety.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A mining cutting pick comprises a cutting pick head (1) and a cutting pick handle (3), and is characterized in that the cutting pick handle (3) is fixedly connected to one end of the cutting pick head (1), the cutting pick head (1) and the cutting pick handle (3) are both provided with circular holes which are communicated with each other, a first clamping groove is formed in the inner wall of an opening at one end, close to the cutting pick head (1), of each circular hole, a hard alloy cutter head (2) is arranged at one end, far away from the cutting pick handle (3), of the cutting pick head (1), an inner shaft (4) is fixedly connected to one side of the hard alloy cutter head (2), a fin plate (5) is fixedly connected to the outer side of one end, close to the inner shaft (4), the fin plate (5) is clamped in the first clamping groove, a shaft body of the inner shaft (4) penetrates through the circular holes, a circular side cavity is formed in one end of the cutting pick handle (3), and is communicated with the circular hole, a second clamping groove is formed in the inner, a third clamping groove is formed in the arc-shaped inner wall of the circular side cavity, a thread groove is formed in one end of the inner shaft (4), a locking sleeve ring (6) is sleeved on the inner shaft in a threaded manner, limiting grooves are arranged on two sides of a ring body of the locking sleeve ring (6) in a clamped manner, a twisting plate (7) is arranged in the circular side cavity, a safety vertical plug (8) is fixedly connected to one side of the twisting plate (7), one end of the safety vertical plug (8) penetrates through the limiting grooves and extends into the inner clamping groove II, a screw hole is formed in the other side of the twisting plate (7), a bottom cover (9) is further arranged in the circular side cavity, the bottom cover (9) is positioned on one side, away from the cutting tooth head (1), of the twisting plate (7), a T-shaped through hole is formed in a rod body of the bottom cover (9), a safety transverse plug (10) is slidably connected in the T-shaped through hole, two safety transverse plugs, and one side of each of the two handles (13) close to each other is provided with a spring (11), and the other end of the safety transverse plug (10) is respectively clamped in the third clamping groove.
2. A mining pick according to claim 1, wherein an annular mounting groove is provided in the outer side of the end of the pick shank (3) remote from the pick head (1).
3. The mining cutting pick according to claim 1, wherein a spring fixing column (12) is fixedly connected to one side of each of the two handles (13) close to each other, and two ends of the spring (11) are fixedly sleeved on the outer side of the spring fixing column (12).
4. A mining pick according to claim 1, wherein the safety upstands (8) are plural and divergent outwardly of one end of the inner shaft (4).
5. A mining pick according to claim 1, wherein the fin plate (5) and the first plurality of pockets are each radially spaced about one end of the inner shaft (4).
6. A mining pick according to claim 1, wherein one side of the bottom cap (9) is in contact with the twisting plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010599610.3A CN111577276A (en) | 2020-06-28 | 2020-06-28 | Mining cutting tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010599610.3A CN111577276A (en) | 2020-06-28 | 2020-06-28 | Mining cutting tooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111577276A true CN111577276A (en) | 2020-08-25 |
Family
ID=72118092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010599610.3A Pending CN111577276A (en) | 2020-06-28 | 2020-06-28 | Mining cutting tooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111577276A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997607A (en) * | 2020-09-14 | 2020-11-27 | 颜青马 | Durability detachable heading machine cutting tooth |
| CN117552784A (en) * | 2024-01-11 | 2024-02-13 | 大同市同华矿机制造有限责任公司 | Cutting tool bit and cutting drum |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3942838A (en) * | 1974-05-31 | 1976-03-09 | Joy Manufacturing Company | Bit coupling means |
| US6099081A (en) * | 1997-09-06 | 2000-08-08 | Hydra Tools International Limited | Point attack tooling system for mineral winning |
| CN104612683A (en) * | 2013-11-04 | 2015-05-13 | 常州市新科冶金材料有限公司 | Mining adjustable cutting pick |
| CN207568995U (en) * | 2017-10-23 | 2018-07-03 | 重庆奔隆机械有限公司 | Laterally adjustable formula nut seat |
| CN209110583U (en) * | 2018-12-04 | 2019-07-16 | 重庆宏祥模具有限公司 | A kind of conversion head device for CNC milling machine |
| CN209510322U (en) * | 2019-01-03 | 2019-10-18 | 神木风尚裕隆工程材料有限公司 | A kind of coal winning machine cutting bit antithrow off device |
| CN210164477U (en) * | 2019-04-30 | 2020-03-20 | 河南四方达超硬材料股份有限公司 | Novel polycrystalline diamond cutting tooth |
| CN210195749U (en) * | 2019-07-10 | 2020-03-27 | 申晓良 | Coal mining machine cutting pick |
-
2020
- 2020-06-28 CN CN202010599610.3A patent/CN111577276A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3942838A (en) * | 1974-05-31 | 1976-03-09 | Joy Manufacturing Company | Bit coupling means |
| US6099081A (en) * | 1997-09-06 | 2000-08-08 | Hydra Tools International Limited | Point attack tooling system for mineral winning |
| CN104612683A (en) * | 2013-11-04 | 2015-05-13 | 常州市新科冶金材料有限公司 | Mining adjustable cutting pick |
| CN207568995U (en) * | 2017-10-23 | 2018-07-03 | 重庆奔隆机械有限公司 | Laterally adjustable formula nut seat |
| CN209110583U (en) * | 2018-12-04 | 2019-07-16 | 重庆宏祥模具有限公司 | A kind of conversion head device for CNC milling machine |
| CN209510322U (en) * | 2019-01-03 | 2019-10-18 | 神木风尚裕隆工程材料有限公司 | A kind of coal winning machine cutting bit antithrow off device |
| CN210164477U (en) * | 2019-04-30 | 2020-03-20 | 河南四方达超硬材料股份有限公司 | Novel polycrystalline diamond cutting tooth |
| CN210195749U (en) * | 2019-07-10 | 2020-03-27 | 申晓良 | Coal mining machine cutting pick |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997607A (en) * | 2020-09-14 | 2020-11-27 | 颜青马 | Durability detachable heading machine cutting tooth |
| CN117552784A (en) * | 2024-01-11 | 2024-02-13 | 大同市同华矿机制造有限责任公司 | Cutting tool bit and cutting drum |
| CN117552784B (en) * | 2024-01-11 | 2024-03-22 | 大同市同华矿机制造有限责任公司 | Cutting tool bit and cutting drum |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200825 |