CN207999246U - A kind of cutting means for coalcutter - Google Patents
A kind of cutting means for coalcutter Download PDFInfo
- Publication number
- CN207999246U CN207999246U CN201820339323.7U CN201820339323U CN207999246U CN 207999246 U CN207999246 U CN 207999246U CN 201820339323 U CN201820339323 U CN 201820339323U CN 207999246 U CN207999246 U CN 207999246U
- Authority
- CN
- China
- Prior art keywords
- tooth
- tooth set
- threaded hole
- cutting means
- guide groove
- 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.)
- Active
Links
Abstract
A kind of cutting means for coalcutter of the utility model discloses a kind of when carrying out digging to girdle,By adding compressed spring in driving pick,The cutting means of flexible protection is carried out to driving pick,It is simple in structure,It is convenient and practical,It can avoid being in direct contact with hard rock stratum,Improve the service life of cutting pick head,It is placed on toothholder top it is characterized in that tooth set is oblique,Toothholder low side both sides are equipped with flank respectively,The tooth set inner section is ellipse,Multiple mounting holes are provided on the flank,Tooth covers relatively low one end and is equipped with spacing ring,Tooth set is provided with groove,And run through tooth set,The groove is close to spacing ring one end,Tooth set medium position is provided with flat key slot,The flat key slot vertical teeth covers axis direction,Flat key trench bottom is provided with threaded hole,The threaded hole is through-hole,One gib block is placed on tooth set inner wall,And one end extends to groove side,The other end extends to threaded hole side wall,Compressed spring is placed in tooth set,And it is bonded with spacing ring.
Description
Technical field
A kind of cutting means for coalcutter of the utility model is related to one kind in coal mining, to coal mine girdle
The driving pick device for carrying out digging, belongs to coal mine equipment field.More particularly to a kind of when carrying out digging to girdle, pass through
Compressed spring is added in driving pick, the cutting means of flexible protection is carried out to driving pick.
Background technology
Currently, when carrying out seam mining, since driving pick is mounted on fixed angle on development machine, and rigidity connects
It connects, Impact direction is single at work, serious wear, is easy loss, and service life is short, and in coal seam, and it is other heavy to exist
Rock mass is accumulated, the mechanical structure in coal seam is complicated, especially when being tunneled to girdle, it is easy to collide with to palisades so that
It tunnels pick to occur to force collision, produces fracture, influence tunneling effect, existing regularly checked by worker,
And replace driving pick in time and ensure mining progress, but replacing construction is longer, and it is less efficient, and the position after replacement becomes
Change, influences balance, most toothholder is all to be welded on coal mining machine roller or cutting head of roadheader by the angle being pre-designed
On, complex process, installing and dismounting is bothersome laborious, also has and directly carries out spot welding repairing on driving pick, but by pick
Repair by welding is being carried out after dismounting, is influencing acquisition progress.
Invention content
In order to improve the above situation, a kind of cutting means for coalcutter of the utility model provides one kind to bog-head coal
When layer carries out digging, by adding compressed spring in driving pick, the cutting means of flexible protection is carried out to driving pick.It can
It avoids being in direct contact with hard rock stratum, improves the service life of cutting pick head.
What a kind of cutting means for coalcutter of the utility model was realized in:The utility model one kind is for mining
The cutting means of machine is by cutting pick head, threaded hole, tooth set, toothholder, mounting hole, spacing ring, gib block, compressed spring, guide groove, tight
Gu screw, positive stop strip and tooth post composition, tooth set is oblique to be placed on toothholder top, and toothholder low side both sides are equipped with flank respectively, described
It is ellipse that tooth, which covers inner section, and multiple mounting holes are provided on the flank, and tooth covers relatively low one end and is equipped with spacing ring, and tooth set is provided with recessed
Slot, and run through tooth set, the groove is provided with flat key slot, the flat key slot vertical teeth close to spacing ring one end, tooth set medium position
Axis direction is covered, flat key trench bottom is provided with threaded hole, and the threaded hole is through-hole, and a gib block is placed on tooth set inner wall, and
One end extends to groove side, and the other end extends to threaded hole side wall, and compressed spring is placed in tooth set, and is bonded with spacing ring,
Tooth post is inserted in tooth set, and the tooth post section is ellipse, and two guide grooves are symmetrically placed in tooth post, and are axially extended,
One of guide groove and gib block are corresponding, and the guide groove extends to tooth post one end, and the depth of the guide groove is not less than
Twice of gib block depth, it is described to be oriented to width of the well width equal to gib block, equidistantly it is equipped with multiple positive stop strips, institute in guide groove
The height for stating positive stop strip is less than guiding groove depth half, and trip bolt is placed in threaded hole, and trip bolt one end is placed in guide groove
It is interior, and between two adjacent positive stop strips, cutting pick head is placed on the tooth post other end, and it is outer positioned at tooth set.
In use, multiple toothholders are mounted on cutterhead so that cutting pick head is arranged according to certain rules, and toothholder passes through multiple
Mounting hole carries out installation fixation, and then tooth post is adjusted so that trip bolt correspondence be stuck in two adjacent positive stop strips it
Between, and limited by trip bolt, compressed spring receives pressure at this time, pushes tooth post so that trip bolt and one of them
Positive stop strip fits, and cutting pick head outreach is constant, and when carrying out digging to girdle, it is broken that cutting pick head carries out coal seam, when opening
When adopting to coal seam and palisades critical localisation, the digging of cutting pick head can touch palisades, when cutting pick head encounters hard rock stratum, rock stratum
Cutting pick head is squeezed, tooth post is squeezed by cutting pick head so that tooth post is slided along gib block, and compresses compressed spring, when tight
Gu screw is moved to adjacent positive stop strip, cutting pick head stops shrinking, and the contraction of compressed spring makes cutting pick head avoid directly
It is collided with hard rock stratum, after avoiding rock stratum, compressed spring resets, and tooth post is released tooth set, then carries out coal seam digging, to cutting
Tooth head is protected, and avoiding direct contact with causes pick head rupture broken, and the design of the tooth post ellipse can avoid adopting
When pick rotation turned round, influence the Impact direction of cutting pick head, when once rubbing serious, by tooth post rotate 180 °, by cutting pick head into
Row overturning, reaches in coal mining, and the purpose of digging is carried out to coal mine girdle.
Advantageous effect.
One, simple in structure, it is convenient and practical.
Two, cheap, it is easy to spread.
Three, it can avoid being in direct contact with hard rock stratum, improve the service life of cutting pick head.
Description of the drawings
Fig. 1 is a kind of stereo-resolution figure of cutting means for coalcutter of the utility model.
In attached drawing
Wherein part is:Cutting pick head 1, threaded hole 2, tooth set 3, toothholder 4, mounting hole 5, spacing ring 6, gib block 7 compress bullet
Spring 8, guide groove 9, trip bolt 10, positive stop strip 11, tooth post 12.
Specific implementation mode:
A kind of cutting means for coalcutter of the utility model is achieved in that by cutting pick head 1, threaded hole 2, tooth set
3, toothholder 4, mounting hole 5, spacing ring 6, gib block 7, compressed spring 8, guide groove 9, trip bolt 10, positive stop strip 11 and tooth post 12
Composition, tooth set 3 is oblique to be placed on 4 top of toothholder, and 4 low side both sides of toothholder are equipped with flank respectively, and it is ellipse that the tooth, which covers 3 inner sections,
Shape is provided with multiple mounting holes 5 on the flank, and tooth covers 3 relatively low one end and is equipped with spacing ring 6, and tooth set 3 is provided with groove, and runs through tooth
Set 3, the groove is close to 6 one end of spacing ring, and tooth covers 3 medium positions and is provided with flat key slot, and the flat key slot vertical teeth covers 3 axis sides
To flat key trench bottom is provided with threaded hole 2, and the threaded hole 2 is through-hole, and a gib block 7 is placed in tooth and covers on 3 inner walls, and one end
Groove side is extended to, the other end extends to 2 side wall of threaded hole, and compressed spring 8 is placed in tooth set 3, and is bonded with spacing ring 6,
Tooth post 12 is inserted in tooth set 3, and 12 section of the tooth post is ellipse, and two guide grooves 9 are symmetrically placed in tooth post 12, and along axis
To extension, one of guide groove 9 and gib block 7 are corresponding, and the guide groove 9 extends to 12 one end of tooth post, the guide groove 9
Depth be not less than twice of 7 depth of gib block, 9 width of the guide groove is equal to the width of gib block 7, equidistant in guide groove 9
Multiple positive stop strips 11 are equipped with, the height of the positive stop strip 11 is less than 9 depth half of guide groove, and trip bolt 10 is placed in threaded hole 2
Interior, 10 one end of trip bolt is placed in guide groove 9, and between two adjacent positive stop strips 11, cutting pick head 1 is placed in tooth post 12
On the other end, and outside tooth set 3.
In use, multiple toothholders 4 are mounted on cutterhead so that cutting pick head 1 is arranged according to certain rules, and toothholder 4 passes through
Multiple mounting holes 5 carry out installation fixation, and then tooth post 12 is adjusted so that the correspondence of trip bolt 10 is stuck in adjacent two
It between positive stop strip 11, and is limited by trip bolt 10, compressed spring 8 receives pressure at this time, pushes tooth post 12 so that fastening
Screw 10 and one of positive stop strip 11 fit, and 1 outreach of cutting pick head is constant, when carrying out digging to girdle, pick
First 1, which carries out coal seam, is crushed, and when exploitation is to coal seam and palisades critical localisation, the digging of cutting pick head 1 can touch palisades, work as pick
First 1 when encountering hard rock stratum, and rock stratum squeezes cutting pick head 1, passes through cutting pick head 1 and squeezes tooth post 12 so that tooth post 12 is along gib block 7
It is slided, and compresses compressed spring 8, when trip bolt 10 is moved to adjacent positive stop strip 11, cutting pick head 1 stops shrinking,
The contraction of compressed spring 8 makes cutting pick head 1 avoid directly colliding with hard rock stratum, and after avoiding rock stratum, compressed spring 8 is multiple
Tooth post 12 is released tooth set 3, then carries out coal seam digging, protected to cutting pick head 1, avoiding direct contact with leads to pick by position
First 1 fracture is broken, and the design of 12 ellipse of the tooth post, which can avoid rotating in digging, to be turned round, and the stress of cutting pick head 1 is influenced
Tooth post 12 is rotated 180 °, cutting pick head 1 is overturn, is reached in coal mining by direction when once rubbing serious, right
Coal mine girdle carries out the purpose of digging.
Claims (6)
1. a kind of cutting means for coalcutter, it is characterized in that:By cutting pick head, threaded hole, tooth set, toothholder, mounting hole, limit
Ring, gib block, compressed spring, guide groove, trip bolt, positive stop strip and tooth post composition, tooth set is oblique to be placed on toothholder top, tooth
Seat low side both sides are equipped with flank respectively, and multiple mounting holes are provided on the flank, and tooth covers relatively low one end and is equipped with spacing ring, and tooth set is opened
It is fluted, and run through tooth set, the groove is provided with flat key slot close to spacing ring one end, tooth set medium position, and the flat key slot hangs down
Straight-tooth covers axis direction, and flat key trench bottom is provided with threaded hole, and the threaded hole is through-hole, and a gib block is placed in tooth set inner wall
On, and one end extends to groove side, the other end extends to threaded hole side wall, and compressed spring is placed in tooth set, and and spacing ring
Fitting, tooth post be inserted in tooth set in, two guide grooves are symmetrically placed in tooth post, and are axially extended, one of guide groove and
Gib block is corresponding, and the guide groove extends to tooth post one end, is equidistantly equipped with multiple positive stop strips in guide groove, trip bolt is placed in
In threaded hole, trip bolt one end is placed in guide groove, and between two adjacent positive stop strips, it is another that cutting pick head is placed in tooth post
On one end, and it is outer positioned at tooth set.
2. a kind of cutting means for coalcutter according to claim 1, it is characterised in that the tooth covers inner section and is
Ellipse.
3. a kind of cutting means for coalcutter according to claim 1, it is characterised in that tooth post section is ellipse
It is round.
4. a kind of cutting means for coalcutter according to claim 1, it is characterised in that the depth of the guide groove
Not less than twice of gib block depth.
5. a kind of cutting means for coalcutter according to claim 4, it is characterised in that described guiding well width etc.
In the width of gib block.
6. a kind of cutting means for coalcutter according to claim 1, it is characterised in that the height of the positive stop strip
Less than guiding groove depth half.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820339323.7U CN207999246U (en) | 2018-03-13 | 2018-03-13 | A kind of cutting means for coalcutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820339323.7U CN207999246U (en) | 2018-03-13 | 2018-03-13 | A kind of cutting means for coalcutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207999246U true CN207999246U (en) | 2018-10-23 |
Family
ID=63839651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820339323.7U Active CN207999246U (en) | 2018-03-13 | 2018-03-13 | A kind of cutting means for coalcutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207999246U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555533A (en) * | 2019-01-16 | 2019-04-02 | 滕州市金达煤炭有限责任公司 | A kind of coal mining boom-type roadheader |
| 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 |
-
2018
- 2018-03-13 CN CN201820339323.7U patent/CN207999246U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555533A (en) * | 2019-01-16 | 2019-04-02 | 滕州市金达煤炭有限责任公司 | A kind of coal mining boom-type roadheader |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103835720B (en) | Hard Rock Breaking System | |
| WO2015169160A1 (en) | Cutting unit for hard rock tunnelling machine | |
| CN207999246U (en) | A kind of cutting means for coalcutter | |
| AU2016204992B2 (en) | Method for impact-cutting mining and impact-cutting miner carrying out the method | |
| CN103388345B (en) | Reciprocating impact digs installation | |
| CN103790584A (en) | Impact-assisted heading machine for hard rock ore exploitation | |
| CN103016624A (en) | Excavating and shoveling buffer transmission device of blocking coal shovel | |
| CN106958451A (en) | A kind of coal mine roadway tunnels auxiliary shoring device | |
| CN105840829B (en) | One kind impact rotary high pressure sealing device | |
| CN202228085U (en) | Highly abrasion-resistant disk cutter | |
| CN107630699A (en) | A kind of vibratory impulse adds the combined type of water jet auxiliary cut to break coal method and mechanism | |
| CN101086206A (en) | Mining hard alloy coal cutting teeth | |
| CN202767978U (en) | Rotatable telescopic cutting device of comprehensive mechanical rock lane tunneling unit | |
| CN207795249U (en) | A kind of coal petrography cutting operating mechanism | |
| AU2016269516A1 (en) | Small-resistance and high-efficiency digging apparatus with multiple layers of impact heads | |
| CN103334751A (en) | Protection device for coal cutter cable | |
| KR101895483B1 (en) | cutting pick assembly | |
| CN102706227B (en) | Crab-claw type filling device for filling slag into mine blast holes | |
| CN211342922U (en) | High-pressure water jet side cutter and hydraulic-mechanical combined rock breaking and trapped-escaping TBM cutter head | |
| CN207813619U (en) | A kind of combination cutter ring of disc cutter for rock tunnel(ling) machine | |
| CN103437776A (en) | Handpiece of tunnel borer and tunnel borer with same | |
| CN106703800A (en) | Stack-mounted type variable-radius coal cutting drum | |
| CN204283423U (en) | The ball profile of tooth hob type cylinder of cantilevered longitudinal axis development machine | |
| CN209818068U (en) | Cantilever type tunneling machine for coal mining | |
| CN208122847U (en) | A kind of vibratory impulse adds the combined type Po Mei mechanism of water jet auxiliary cutting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |