CN112031768B - Novel high-wear-resistance heading machine cutting tooth device - Google Patents
Novel high-wear-resistance heading machine cutting tooth device Download PDFInfo
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- CN112031768B CN112031768B CN202010974952.9A CN202010974952A CN112031768B CN 112031768 B CN112031768 B CN 112031768B CN 202010974952 A CN202010974952 A CN 202010974952A CN 112031768 B CN112031768 B CN 112031768B
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- cutting pick
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- 238000005520 cutting process Methods 0.000 title claims abstract description 86
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 239000002775 capsule Substances 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000036346 tooth eruption Effects 0.000 abstract description 4
- 239000006185 dispersion Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 11
- 230000018109 developmental process Effects 0.000 description 9
- 238000003825 pressing Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000003466 welding Methods 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
- E21C35/19—Means for fixing picks or holders
-
- 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
- E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention relates to the technical field of cutting teeth and discloses a novel high-wear-resistance heading machine cutting tooth device which comprises a cutting tooth head, a cutting tooth body and a cutting tooth handle, wherein an arc object is fixedly connected inside the cutting tooth head, a thermistor is arranged inside the arc object, a sealing ring is arranged at the bottom of the cutting tooth head, a first spring is arranged at the bottom of the sealing ring, and a first push block is fixedly connected to one end, far away from the inner wall of the cutting tooth head, of the first spring. This novel high wear-resisting entry driving machine pick device through ball sliding connection in first notch and fourth notch, when the pick head extrudees the pick body downwards, pressure and frictional force that the ball can fine dispersion pick head received make the pick head obtain the buffering, connect this internal fixing device of pick through the second ejector pad of pick head bottom simultaneously, fixing device has reduced the loss of pick head at pick body inside sliding connection to reached and to have improved the high wear-resisting effect of pick.
Description
Technical Field
The invention relates to the technical field of cutting teeth, in particular to a novel high-wear-resistance cutting tooth device of a heading machine.
Background
With the development of social economy, China has become the biggest development base and application market of the development machine in the world, meanwhile, the development of development machine equipment is driven to be rapid, and the development industry is the key supporting development industry of domestic high-end equipment manufacturing industry and strategic emerging industry, wherein cutting teeth are used as direct execution parts of the development machine for crushing coal rocks, and the quality indexes of the cutting teeth directly influence the working efficiency of the development machine.
Pick on the market is of a great variety, generally with the pick most common, the pick generally by the pick head, the pick body, the pick handle triplex, mainly fix the pick body on the preceding terminal surface of pick back handle through the welding, the rear end through pick back handle is fixed with the joint between the corresponding facing of current entry driving machine, general pick head is worn and torn very easily, and the pick body can continue to use with the pick handle, can cause the waste of material, increase the life of pick head simultaneously, improve the wearability of pick head, we have proposed a novel high wear-resisting entry driving machine pick device for this and have solved above problem.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a novel high-wear-resistance heading machine cutting pick device which has the advantages of being capable of disassembling a cutting pick head and improving the high wear resistance of the cutting pick, and solves the problems that the existing cutting pick can not disassemble the cutting pick head and improve the high wear resistance of the cutting pick.
(II) technical scheme
In order to realize the purposes of disassembling the cutting pick head and improving the high wear resistance of the cutting pick, the invention provides the following technical scheme: a novel high-wear-resistance heading machine cutting pick device comprises a cutting pick head, a cutting pick body and a cutting pick handle, wherein an arc object is fixedly connected inside the cutting pick head, a thermistor is arranged inside the arc object, a sealing ring is arranged at the bottom of the cutting pick head, a first spring is arranged at the bottom of the sealing ring, a first push block is fixedly connected to one end, far away from the inner wall of the cutting pick head, of the first spring, a first notch is formed in the bottom of the first push block, a second push block is fixedly connected to the bottom of the cutting pick head, second notches are formed in two sides of the second push block, a first magnetic block is fixedly connected inside the second push block, a fixing device is slidably connected inside the cutting pick body, a third notch is formed in the middle of the fixing device, fourth notches are formed in two sides of the third notch inside the fixing device, and a second spring is fixedly connected inside the fourth notch, the cutting pick comprises a cutting pick body and a second spring, wherein the second spring is fixedly connected with a round ball, the end, far away from the inner wall of a fourth notch, of the second spring is provided with a sealing shell, an electrorheological body is arranged inside the sealing shell, the surface of the electrorheological body is provided with a joint, the surface of the joint is fixedly connected with a third spring, the end, far away from the inner wall of the sealing shell, of the third spring is fixedly connected with a third push block, the inside of the third push block is fixedly connected with a second magnetic block, the bottom end of the fixing device is fixedly connected with a fourth spring.
Preferably, the magnetic pole of the magnetic field of the first magnetic block is opposite to that of the second magnetic block on the opposite surface, when the second push block fixedly connected with the bottom end of the cutting pick head is inserted into the third notch in the fixing device, the first magnetic block can attract the third push block to slide towards the second notch through the second magnetic block, and the third push block is clamped in the second notch.
Preferably, the first pushing block on the cutting pick head is matched with the fifth notch on the cutting pick body, and the first pushing block slides in the fifth notch by pressing the rotary cutting pick head, so that the first pushing block is clamped in the fifth notch, and the cutting pick head is connected with the cutting pick body.
Preferably, the ball is sliding connection in first notch and fourth notch, and the ball is rubber materials, when the pick head during operation, slides in first notch and fourth notch through the ball, makes the pick head obtain the buffering, reduces the loss of pick head.
Preferably, the material that the sealing washer adopted is rubber, prevents that there is the dust to enter into the pick body inside when work, influences pick behavior, increases pick life.
Preferably, the thermistor sets up at the inside symmetry of circular arc thing, and the material that the circular arc thing adopted can produce a large amount of heats through cutting the pick head when contacting with the colliery, makes thermistor's resistance value diminish, makes the electrorheological body that leads to the electrorheological body many, and the electrorheological body solution becomes the solid to make the third ejector pad can fix inside the second notch, make cutting the pick head together with the fixing of pick body firmly.
(III) advantageous effects
Compared with the prior art, the invention provides a novel high-wear-resistance heading machine cutting pick device, which has the following beneficial effects:
1. this novel high wear-resisting entry driving machine pick device, peg graft at the inside third notch of fixing device through the second ejector pad, the second magnetic path on the third ejector pad can be attracted to the first magnetic path on the second ejector pad, make the third ejector pad support inside the second notch, simultaneously through pressing down rotatory pick head, make the fifth notch of first ejector pad grafting in the pick body, make pick head and pick body fixed connection, when the pick head during operation, can produce a large amount of heats when contacting through the pick head with the colliery, thermistor's resistance value diminishes, electrorheological body solution becomes the solid, make the third ejector pad can fix in the second notch, when the pick is out of work, through the dismantlement pick that rotatory pick head can be simple, thereby reached the effect that can dismantle the pick head.
2. This novel high wear-resisting entry driving machine pick device, through ball sliding connection in first notch and fourth notch, the ball is rubber materials simultaneously, so when the pick head extrudees the pick body downwards, the ball can fine dispersion pick head pressure and frictional force that receives, make the pick head obtain the buffering, connect this internal fixing device of pick through the second ejector pad of pick head bottom simultaneously, fixing device is at pick body inside sliding connection, the loss of pick head has been reduced, thereby reached and to have improved the high wear-resisting effect of pick.
Drawings
FIG. 1 is a cross-sectional view of a related construction of the pick body of the present invention;
FIG. 2 is a schematic view of a cutting pick head according to the present invention;
FIG. 3 is a schematic view of the overall construction of the cutting pick of the present invention;
FIG. 4 is a schematic view of an initial state structure of a third pushing block according to the present invention;
FIG. 5 is a schematic structural view of a third pushing block according to the present invention;
FIG. 6 is a cross-sectional view of a first push block according to the present invention;
FIG. 7 is a schematic view of a fifth notch according to the present invention;
FIG. 8 is a diagram of a thermistor according to the present invention.
In the figure: 1. a pick head; 2. a pick body; 3. a pick shank; 4. a circular arc object; 5. a thermistor; 6. a seal ring; 7. a first spring; 8. a first push block; 9. a first notch; 10. a second push block; 11. a second notch; 12. a first magnetic block; 14. a third notch; 16. a second spring; 17. a ball; 18. an enclosure; 19. an electrorheological fluid; 20. a joint; 21. a third spring; 22. a third push block; 23. a second magnetic block; 24. a fourth spring; 25. and a fifth notch.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, a novel high wear-resistant heading machine cutting pick device comprises a cutting pick head 1, a cutting pick body 2 and a cutting pick handle 3, wherein a first push block 8 on the cutting pick head 1 is matched with a fifth notch 25 on the cutting pick body 2, the first push block 8 slides in the fifth notch 25 by pressing and rotating the cutting pick head 1, so that the first push block 8 is clamped in the fifth notch 25, the cutting pick head 1 is connected with the cutting pick body 2, an arc object 4 is fixedly connected in the cutting pick head 1, a thermistor 5 is arranged in the arc object 4, the thermistor 5 is symmetrically arranged in the arc object 4, the arc object 4 is made of high wear-resistant material, a large amount of heat can be generated when the cutting pick head 1 is contacted with a coal mine, the resistance value of the thermistor 5 is reduced, the current to an electrorheological body 19 is increased, the solution of the electrorheological body 19 is changed into a solid, so that a third push block 22 can be fixed in a second notch 11, the cutting pick head 1 and the cutting pick body 2 are firmly fixed together, the bottom of the cutting pick head 1 is provided with a sealing ring 6, the sealing ring 6 is made of rubber, dust is prevented from entering the cutting pick body 2 during working, the working condition of the cutting pick is influenced, the service life of the cutting pick is prolonged, the bottom of the sealing ring 6 is provided with a first spring 7, one end of the first spring 7, which is far away from the inner wall of the cutting pick head 1, is fixedly connected with a first push block 8, the bottom of the first push block 8 is provided with a first notch 9, the bottom of the cutting pick head 1 is fixedly connected with a second push block 10, two sides of the second push block 10 are provided with second notches 11, the inside of the second push block 10 is fixedly connected with a first magnetic block 12, the magnetic pole of the first magnetic block 12 is opposite to the magnetic pole of a second push block 23 on the opposite surface, when the second push block 10 fixedly connected with the bottom of the cutting pick head 1 is arranged in a third notch 14 in a fixing device, the first magnetic block 12 can attract a, the third pushing block 22 is clamped inside the second notch 11, the cutting pick body 2 is internally and slidably connected with a fixing device, the middle of the fixing device is provided with a third notch 14, the fixing device is internally and respectively provided with a fourth notch at two sides of the third notch 14, the fixing device is internally and respectively and fixedly connected with a second spring 16 in the fourth notch, one end of the second spring 16 far away from the inner wall of the fourth notch is fixedly connected with a round ball 17, the round ball 17 is slidably connected in the first notch 9 and the fourth notch, the round ball 17 is made of rubber material, when the cutting pick head 1 works, the cutting pick head 1 is buffered by sliding the round ball 17 in the first notch 9 and the fourth notch, the loss of the cutting pick head 1 is reduced, the bottom of the round ball 17 is provided with a capsule 18, an electrorheological body 19 is arranged inside the capsule 18, the surface of the electrorheological body 19 is provided with a joint 20, the surface of the joint 20 is fixedly connected with a third spring 21, one end of the third spring 21 far away from, the inside fixed connection second magnetic path 23 of third ejector pad 22, fixing device bottom fixed connection has fourth spring 24, and the fifth notch 25 has been seted up at the pick body 2 top.
The working principle is as follows: the novel high-abrasion heading machine cutting pick device comprises a cutting pick head 1, a second push block 10 is inserted into a third notch 14 in a fixing device, the magnetic pole of the first magnetic block 12 is opposite to that of a second magnetic block 23 opposite to the magnetic pole of the second magnetic block 23 in the fixing device, the first magnetic block 12 on the second push block 10 attracts the second magnetic block 23 on a third push block 22, a third spring 21 also pushes the third push block 22 to abut against the inside of a second notch 11 on the second push block 10, at the moment, an electrorheological body 19 inside an enclosure 18 is liquid, so that the third push block 22 is not fixed firmly with the second notch 11, meanwhile, the first push block 8 on the cutting pick head 1 is inserted into a fifth notch 25 in the cutting pick body 2 under the action of the first spring 7, the cutting pick head 1 is fixedly connected with the cutting pick body 2 by pressing and rotating the cutting pick head 1, and when the cutting pick head 1 works, a large amount of heat is generated when the cutting pick head 1 is contacted with a coal mine, make thermistor 5's resistance value diminish, make the electric current that leads to electrorheological body 19 more, electrorheological body 19 solution becomes the solid to make third ejector pad 22 can tightly fix inside second notch 11, further strengthened being connected between pick head 1 and the pick body 2, when the pick is out of work, through rotatory pick head 1 can be simple dismantle the pick, thereby the waste of the greatly reduced material, practiced thrift the cost.
Secondly, when the pick during operation, the colliery can produce pressure and frictional force to pick head 1 on every side, thereby make pick head 1 receive the damage very easily, slide connection in first notch 9 and fourth notch through ball 17, ball 17 is rubber materials simultaneously, so when pick head 1 extrudees pick body 2 downwards, ball 17 can fine dispersion pick head 1 receive pressure and frictional force, make pick head 1 obtain the buffering, simultaneously connect the fixing device in pick body 2 through the second ejector pad 10 of pick head 1 bottom, fixing device is at 2 inside sliding connection of pick body, the loss of pick head 1 has been reduced, the circular arc 4 on pick head 1 adopts the tungsten steel material, the quality of pick head 1 more can be guaranteed to high wear-resisting material, increase the life of pick head 1, and the work efficiency is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a novel high wear-resisting entry driving machine pick device, includes pick head (1), pick body (2) and pick handle (3), its characterized in that: the cutting pick is characterized in that an arc object (4) is fixedly connected inside the cutting pick head (1), a thermistor (5) is arranged inside the arc object (4), a sealing ring (6) is arranged at the bottom of the cutting pick head (1), a first spring (7) is arranged at the bottom of the sealing ring (6), a first push block (8) is fixedly connected to one end, far away from the inner wall of the cutting pick head (1), of the first spring (7), a first notch (9) is arranged at the bottom of the first push block (8), a second push block (10) is fixedly connected to the bottom of the cutting pick head (1), second notches (11) are formed in two sides of the second push block (10), a first magnetic block (12) is fixedly connected inside the second push block (10), a fixing device is slidably connected inside the cutting pick body (2), a third notch (14) is formed in the middle of the fixing device, fourth notches are formed inside the fixing device and in two sides of the third notch (14), inside and fixedly connected with second spring (16) in the fourth notch of fixing device, the one end fixedly connected with ball (17) of fourth notch inner wall is kept away from in second spring (16), ball (17) bottom is provided with capsule (18), inside current variant (19) that is provided with of capsule (18), current variant (19) surface is provided with connects (20), connect (20) fixed surface is connected with third spring (21), the one end fixedly connected with third ejector pad (22) of capsule (18) inner wall is kept away from in third spring (21), the inside fixed connection second magnetic path (23) of third ejector pad (22), fixing device bottom fixedly connected with fourth spring (24), fifth notch (25) have been seted up on pick body (2) top.
2. The novel high-wear-resistance heading machine cutting pick device according to claim 1, wherein: the magnetic pole of the magnetic field of the first magnetic block (12) is opposite to the magnetic pole of the second magnetic block (23) opposite to the magnetic pole of the magnetic field of the first magnetic block.
3. The novel high-wear-resistance heading machine cutting pick device according to claim 1, wherein: the first pushing block (8) on the cutting pick head (1) is matched with the fifth notch (25) on the cutting pick body (2).
4. The novel high-wear-resistance heading machine cutting pick device according to claim 1, wherein: the sealing ring (6) is made of rubber.
5. The novel high-wear-resistance heading machine cutting pick device according to claim 1, wherein: a second notch (11) formed in the second push block (10) is matched with a third push block (22) in the fixing device.
6. The novel high-wear-resistance heading machine cutting pick device according to claim 1, wherein: the thermistors (5) are symmetrically arranged inside the arc object (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010974952.9A CN112031768B (en) | 2020-09-16 | 2020-09-16 | Novel high-wear-resistance heading machine cutting tooth device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010974952.9A CN112031768B (en) | 2020-09-16 | 2020-09-16 | Novel high-wear-resistance heading machine cutting tooth device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112031768A CN112031768A (en) | 2020-12-04 |
| CN112031768B true CN112031768B (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010974952.9A Active CN112031768B (en) | 2020-09-16 | 2020-09-16 | Novel high-wear-resistance heading machine cutting tooth device |
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| Country | Link |
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| CN (1) | CN112031768B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA981291A (en) * | 1973-12-07 | 1976-01-06 | Kenneth M. White | Cutter assembly |
| CN201329861Y (en) * | 2009-01-06 | 2009-10-21 | 福州大学 | Brake device |
| CN106996294B (en) * | 2017-05-10 | 2018-11-13 | 山东科技大学 | A kind of coal mining machine roller pick, roller and coalcutter |
| CN206987811U (en) * | 2017-07-19 | 2018-02-09 | 高波 | A kind of coal winning machine cutting bit antithrow off device |
| CN108547629A (en) * | 2018-06-01 | 2018-09-18 | 齐鲁交通发展集团有限公司 | A kind of detachable development machine pick |
| CN111660855A (en) * | 2020-07-08 | 2020-09-15 | 广西贵港鸣岳科技有限公司 | Fill electric pile anti-theft device based on electromagnetic induction principle |
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2020
- 2020-09-16 CN CN202010974952.9A patent/CN112031768B/en active Active
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| CN112031768A (en) | 2020-12-04 |
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Effective date of registration: 20210423 Address after: 252000 west of Qinghua garden school, northeast corner of wangzhuangzi village, Chongwen street, Liaocheng City, Shandong Province Applicant after: Shandong Guantai New Material Technology Co.,Ltd. Address before: 222000: the intersection of Taihe Road and Yungang Road, Lianyun District, Lianyungang City, Jiangsu Province Applicant before: Liu Huanwei |
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