CN108104809A - The body of the cutting head, cutterhead and development machine - Google Patents
The body of the cutting head, cutterhead and development machine Download PDFInfo
- Publication number
- CN108104809A CN108104809A CN201711311583.XA CN201711311583A CN108104809A CN 108104809 A CN108104809 A CN 108104809A CN 201711311583 A CN201711311583 A CN 201711311583A CN 108104809 A CN108104809 A CN 108104809A
- Authority
- CN
- China
- Prior art keywords
- batch turning
- cutting head
- annular solid
- cutterhead
- boss
- 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
- 239000007787 solid Substances 0.000 claims abstract description 50
- 238000000465 moulding Methods 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
- E21C25/10—Rods; Drums
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
- E21C25/08—Mountings for the rods or drums
-
- 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
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 discloses a kind of the body of the cutting head, cutterhead and development machine, to solve the technical issues of property easy to use of the cutterhead of existing development machine is low.The body of the cutting head includes main body and batch turning boss;Wherein, main body includes annular solid, and for batch turning boss around the periphery for being located at annular solid, batch turning boss is directed away from the direction protrusion of annular solid;Batch turning boss is an integral molding structure with annular solid.
Description
Technical field
The present invention relates to technical field of engineering machinery, more particularly to a kind of the body of the cutting head, cutterhead and development machine.
Background technology
Boom-type roadheader is mainly used for the Rock in Well, coal or alternate heading of cut arbitrary shape section.Wherein, dig
Cutterhead into machine is the component for realizing cut, is the core component of development machine.
Usually, the cutterhead of development machine includes the body of the cutting head, batch turning plate, cut seat and pick, wherein, the body of the cutting head is
Conical structure, batch turning plate are plate-shaped, and along the outer circumferential surface of the body of the cutting head, batch turning plate is curled up in a spiral form in the body of the cutting head
On outer circumferential surface, the inner end of batch turning plate and the circumferential surface of the body of the cutting head weld, and the outer end of batch turning plate is vacant.The first side court of batch turning plate
To the point of the body of the cutting head, for the second side of batch turning plate towards the root of the body of the cutting head, cut seat is welded on the of batch turning plate
On one side, pick is arranged on pick box.
It is well known that the cut medium for the treatment of of cutterhead is mostly the high rigidity substances such as rock, coal or half coal petrography, existing cutterhead
Batch turning plate for plate-shaped, also, the circumferential surface of the inner end of batch turning plate and the body of the cutting head, using welding manner connection, batch turning plate is with treating
There are high strength friction between cut medium, in this way, the side of batch turning plate can be subject to severe abrasion, batch turning plate and the body of the cutting head
Between weldering bonding strength will be significantly reduced with access times, therefore, it is necessary to often between batch turning plate and the body of the cutting head
The wear-resisting solder of repair welding replaces batch turning plate.
To sum up, due to needing the often wear-resisting solder of repair welding or replacement batch turning plate between batch turning plate and the body of the cutting head, lead
The property easy to use for causing the cutterhead of development machine is low, and repair welding or replacement batch turning plate need development machine standby, thereby reduce driving
The operating efficiency of machine.
The content of the invention
It is an object of the invention to provide a kind of the body of the cutting head, to solve the property easy to use of the cutterhead of existing development machine
The technical issues of low.
The present invention provides a kind of the body of the cutting head, and the body of the cutting head includes main body and batch turning boss;Wherein,
The main body includes annular solid, and the batch turning boss is around the periphery for being located at the annular solid, the batch turning boss court
To the direction protrusion away from the annular solid;
The batch turning boss is an integral molding structure with the annular solid.
Further, the main body further includes the head body end portion being connected with one end of the annular solid;
The annular solid is an integral molding structure with the head body end portion.
Further, the winding mode of the batch turning boss is spiral.
Further, the annular solid is straight tube shape.
The body of the cutting head provided by the invention include main body and batch turning boss, wherein, main body include annular solid, batch turning boss around
The periphery of annular solid is located at, batch turning boss is directed away from the direction protrusion of annular solid, also, batch turning boss is integrated with annular solid
Molding structure, in this way, substituting the batch turning plate of existing cutterhead with batch turning boss, batch turning boss is by side with treating that cut medium rubs
It wipes contact and carries out discharge batch turning.
Since the thickness of batch turning boss can be cast according to specific needs, thickness is unrestricted, and therefore, batch turning is convex
Thickness possessed by platform can be far longer than the thickness of batch turning plate, and wearability is more preferable, intensity higher, without often replacing and tieing up
It repaiies, the rate of attendance of equipment and inspection-free rate can be greatly improved, and then, the property higher easy to use of the body of the cutting head provided by the invention,
Use the property higher easy to use of the cutterhead of the body of the cutting head.
Another object of the present invention, which also resides in, provides a kind of cutterhead, which includes cutting bit assembly and as above institute
The body of the cutting head stated;
The cutting bit assembly is connected with the batch turning boss of the body of the cutting head.
Further, one end of the cutting bit assembly and the annular solid away from the body of the cutting head of the batch turning boss connects
It connects.
Further, including multiple cutting bit assemblies;
Multiple cutting bit assemblies are arranged at intervals successively along the extending direction of the batch turning boss.
Further, the cutting bit assembly includes pick box and the pick being connected with the pick box;
The pick box is connected with the batch turning boss.
Further, the pick is connected with the one end of the pick box away from the batch turning boss;
The pick and the angled setting of the pick box.
The advantageous effect of cutterhead provided by the invention compared with the prior art is same as the body of the cutting head phase provided by the invention
Than in the advantageous effect of the prior art, details are not described herein again.
Another object of the present invention, which also resides in, provides a kind of development machine, which includes the body of the cutting head as described above;
Alternatively,
Including cutterhead as described above.
The advantageous effect of development machine provided by the invention compared with the prior art is same as the body of the cutting head phase provided by the invention
It is no longer superfluous herein than in advantageous effect or the cutterhead provided by the invention advantageous effect compared with the prior art of the prior art
It states.
Description of the drawings
The attached drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structure diagram of the body of the cutting head according to embodiments of the present invention;
Fig. 2 is the first structure schematic diagram of cutterhead according to embodiments of the present invention;
Fig. 3 is the second structure diagram of cutterhead according to embodiments of the present invention;
Fig. 4 is the 3rd structure diagram of cutterhead according to embodiments of the present invention.
In figure:
10- main bodys;20- batch turning boss;
30- cutting bit assemblies;11- annular solids;
12- body end portions;31- pick boxs;
32- picks;100- the body of the cutting head.
Specific embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected;It can
To be mechanical connection or be electrically connected;It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Fig. 1 is the structure diagram of the body of the cutting head according to embodiments of the present invention, and Fig. 2 is according to embodiments of the present invention cuts
The first structure schematic diagram of head is cut, Fig. 3 is the second structure diagram of cutterhead according to embodiments of the present invention, and Fig. 4 is basis
3rd structure diagram of the cutterhead of the embodiment of the present invention.
Referring to figs. 1 to shown in Fig. 4, the body of the cutting head 100 provided in an embodiment of the present invention includes main body 10 and batch turning boss 20,
Wherein, main body 10 includes annular solid 11, and batch turning boss 20 is directed away from annular around the periphery for being located at annular solid 11, batch turning boss 20
The direction protrusion of body 11, batch turning boss 20 is an integral molding structure with annular solid 11, in this way, substituting existing cut with batch turning boss
The batch turning plate of head, batch turning boss carry out discharge batch turning by side with treating that cut dielectric friction contacts.
Since the thickness of batch turning boss can be cast according to specific needs, thickness is unrestricted, and therefore, batch turning is convex
Thickness possessed by platform can be far longer than the thickness of batch turning plate, and wearability is more preferable, intensity higher, without often replacing and tieing up
It repaiies, the rate of attendance of equipment and inspection-free rate can be greatly improved, and then, the property higher easy to use of the body of the cutting head provided by the invention,
Use the property higher easy to use of the cutterhead of the body of the cutting head.
In the present embodiment, main body 10 further includes the head body end portion 12 being connected with one end of annular solid 11, annular solid 11 and head
Body end portion 12 is an integral molding structure, that is, entire the body of the cutting head include annular solid, batch turning boss and head body end portion, annular solid,
Batch turning boss and head body end portion three are an integral molding structure, in this way, the integral strength higher of entire the body of the cutting head, entirety are wear-resisting
Property more preferably, the body of the cutting head it is any a part without carry out often is replaced and is repaired.
Certainly, in other embodiment, head body end portion can be used other connection modes with annular solid and be connected, for example, head body end
Welding manner connection can be used between portion and annular solid, weld compared to integrated molding mode provided in this embodiment, intensity
It is relatively low with wearability.
In the present embodiment, the winding mode of batch turning boss 20 is spiral, in order to treat cut medium batch turning, improves batch turning
Smooth degree.
Preferably, annular solid 11 is straight tube shape, in this way, batch turning boss is in a spiral manner around when being located on annular solid periphery,
Along batch turning direction, the cross-sectional area for the batch turning passage that batch turning boss is formed is without significant change, and batch turning smooth degree is more preferably.
However, in the prior art, the body of the cutting head is bullet, by head body end portion to head body bottom, batch turning plate is formed
Batch turning passage is less than the cross-sectional area close to the region of bottom by the cross-sectional area in the region of close end, treats that cut medium exists
It by easy congestion in the batch turning passage of close end, causes batch turning not smooth, and then reduces the work efficiency of cutterhead, also, due to
It treats the congestion of cut medium, the abrasion of pressure bigger is formed to batch turning plate, the abrasion of batch turning plate is more serious, further increases and
The frequency of maintenance and replacement frequency of flitch.
Annular solid is arranged to straight barrel type by the present embodiment, treats that cut medium is not easy to plug in batch turning passage, treats that cut is situated between
Matter can be swimmingly by pouring out, and then the work efficiency of cutterhead can be improved in batch turning passage, also, treats that cut medium will not be right
The side of batch turning boss forms the abrasion of excessive pressure, and then can extend the service life of entire head body.
The body of the cutting head provided in an embodiment of the present invention, batch turning boss therein, annular solid and head body end portion three are integrated
Molding structure is substituted the batch turning plate of existing cutterhead with batch turning boss, in the way of existing welding is substituted in a manner of being integrally formed, made
Batch turning boss carries out discharge batch turning by side with treating that cut dielectric friction contacts, in this way, the integral strength of entire the body of the cutting head
More preferably, any part of the body of the cutting head is without often replaced and repaired for higher, overall wear resistance.
Further, annular solid is arranged to straight barrel type, to substitute the body of the cutting head of existing pyramidal structure, treats cut medium
The work efficiency of cutterhead can be not only improved, moreover, treating that cut medium will not be to falling swimmingly by being poured out in batch turning passage
Expect that the side of boss forms the abrasion of excessive pressure, the service life of entire head body can be extended.
To sum up, the intensity of the body of the cutting head provided by the invention is high and wearability is good, and service life is longer, uses the cut
The work efficiency higher of the cutterhead of head body.
A kind of cutterhead, this section are provided with continued reference to shown in Fig. 2 to Fig. 4, the another object of the embodiment of the present invention also resides in
The body of the cutting head 100 of head including cutting bit assembly 30 and as above is cut, wherein, cutting bit assembly 30 and the batch turning of the body of the cutting head 100 are convex
Platform 20 connects.
Wherein, the body of the cutting head 100 include main body 10 and batch turning boss 20, main body 10 include annular solid 11 and with annular solid 11
One end connection head body end portion 12, batch turning boss 20 is directed away from annular around the periphery for being located at annular solid 11, batch turning boss 20
The direction protrusion of body 11, batch turning boss 20, annular solid 11 and 12 three of head body end portion are an integral molding structure.Wherein, batch turning is convex
The winding mode of platform 20 is spiral, and annular solid 11 is straight tube shape.
In the present embodiment, cutting bit assembly 30 and one end of the annular solid 11 of the separate the body of the cutting head 100 of batch turning boss 20 connect
Connect, it is preferable that the cutterhead include multiple cutting bit assemblies 30, multiple cutting bit assemblies 30 along batch turning boss 20 extending direction successively
It is arranged at intervals.
Wherein, cutting bit assembly 30 includes pick box 31 and the pick 32 being connected with pick box 31, and pick box 31 and batch turning are convex
One end connection of the separate annular solid 11 of platform 20, pick 32 are connected with the one end of pick box 31 away from batch turning boss 20, pick 32
With 31 angled setting of pick box.
Wherein, pick box 31 and pick 32 are multiple that multiple pick boxs 31 and multiple picks 32 are corresponded and set, more
The one end of a pick box 31 with the separate annular solid 11 of batch turning boss 20 is connected, also, multiple pick boxs 31 are along annular solid 11
Extending direction be arranged at intervals successively to be formed it is spiral.
Angle between pick 32 and pick box 31 is identical, also, multiple picks 32 are set towards same direction, so as to energy
Enough cut media for the treatment of in the same direction carry out cut, to improve cutting efficiency.
In the present embodiment, the body of the cutting head of cutterhead is an integral molding structure, and existing cutterhead is substituted with batch turning boss
Batch turning plate, batch turning boss carry out discharge batch turning by side with treating that cut dielectric friction contacts.
Since the thickness of batch turning boss can be cast according to specific needs, thickness is unrestricted, and therefore, batch turning is convex
Thickness possessed by platform can be far longer than the thickness of batch turning plate, and wearability is more preferable, intensity higher, without often replacing and tieing up
It repaiies, the rate of attendance of equipment and inspection-free rate can be greatly improved, and then, the property higher easy to use of cutterhead provided by the invention.
In addition, for according to theory, along the radial direction of the body of the cutting head, the height of batch turning plate is higher, then the guide effect of batch turning plate
Fruit is better.However, in the prior art, pick box is arranged on the side of batch turning plate, operated in order to not influence the cut of pick, edge
The radial direction of the body of the cutting head, it is necessary to the maximum height of pick be set to be higher than the maximum height of pick box, the maximum height of pick box is high
Height in the outer end of batch turning plate.Due to batch turning plate height not above pick box height, along the footpath of the body of the cutting head
To the size of batch turning plate is restricted, and then its batch turning effect is restricted.
In the present embodiment, cutting bit assembly is connected with one end of the separate annular solid of batch turning boss, in other words, along the body of the cutting head
Radial direction, batch turning boss is located at the lower section of pick box, can root in this way, height limitation of the height of batch turning boss from pick box
It needs to determine specific size of the batch turning boss along the radial direction of the body of the cutting head according to specific actual condition, so as to realizing maximum
Subject to batch turning effect.
In the prior art, pick box and pick are arranged at the side of batch turning plate, and in other words, pick box and pick are located to fall
Between the adjacent two layers of flitch, the batch turning passage of the batch turning plate of certain area is occupied, when running into mud stone operating mode, mud stone easily blocks
It in gap between pick box, pick and batch turning plate, ultimately results in cutterhead and is stuck, only expose the crown of pick, cut
The cut effect of head is greatly reduced, the batch turning disabler of batch turning plate.
In the present embodiment, cutting bit assembly is connected with one end of the separate annular solid of batch turning boss, meanwhile, pick and pick box
Upper one end connection away from batch turning boss, in this way, along the axial direction of the body of the cutting head, non-overlapping portion between pick box and batch turning boss
Point, there is certain gap between pick and batch turning boss, in this way, in operation, between pick, pick box and batch turning boss not
It easily blocks and treats cut medium, entire cutterhead is not easy to be stuck, and operating efficiency is high, and cut effect can keep good for a long time.
The another object of the embodiment of the present invention, which also resides in, provides a kind of development machine, which includes cutterhead as above
Body, alternatively, including cutterhead as above.
The advantageous effect of development machine provided by the invention compared with the prior art is same as the body of the cutting head phase provided by the invention
It is no longer superfluous herein than in advantageous effect or the cutterhead provided by the invention advantageous effect compared with the prior art of the prior art
It states.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of the body of the cutting head, which is characterized in that including main body (10) and batch turning boss (20);Wherein,
The main body (10) includes annular solid (11), and the batch turning boss (20) is around the periphery for being located at the annular solid (11), institute
State the direction protrusion that batch turning boss (20) is directed away from the annular solid (11);
The batch turning boss (20) is an integral molding structure with the annular solid (11).
2. the body of the cutting head according to claim 1, which is characterized in that the main body (10) further includes and the annular solid
(11) the head body end portion (12) of one end connection;
The annular solid (11) is an integral molding structure with the head body end portion (12).
3. the body of the cutting head according to claim 1, which is characterized in that the winding mode of the batch turning boss (20) is spiral
Formula.
4. the body of the cutting head according to claim 1, which is characterized in that the annular solid (11) is straight tube shape.
5. a kind of cutterhead, which is characterized in that including cutting bit assembly (30) and as any one of claim 1-4
The body of the cutting head;
The cutting bit assembly (30) is connected with the batch turning boss (20) of the body of the cutting head (100).
6. cutterhead according to claim 5, which is characterized in that the cutting bit assembly (30) and the batch turning boss (20)
Away from the body of the cutting head (100) annular solid (11) one end connection.
7. cutterhead according to claim 6, which is characterized in that including multiple cutting bit assemblies (30);
Multiple cutting bit assemblies (30) are arranged at intervals successively along the extending direction of the batch turning boss (20).
8. cutterhead according to claim 6, which is characterized in that the cutting bit assembly (30) include pick box (31) and with
The pick (32) of pick box (31) connection;
The pick box (31) is connected with the batch turning boss (20).
9. cutterhead according to claim 8, which is characterized in that the pick (32) is with the pick box (31) away from institute
State one end connection of batch turning boss (20);
The pick (32) and the pick box (31) angled setting.
10. a kind of development machine, which is characterized in that including the body of the cutting head (100) as any one of claim 1-4;Or
Person,
Including the cutterhead as any one of claim 5-9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711311583.XA CN108104809A (en) | 2017-12-11 | 2017-12-11 | The body of the cutting head, cutterhead and development machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711311583.XA CN108104809A (en) | 2017-12-11 | 2017-12-11 | The body of the cutting head, cutterhead and development machine |
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Publication Number | Publication Date |
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CN108104809A true CN108104809A (en) | 2018-06-01 |
Family
ID=62208379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711311583.XA Pending CN108104809A (en) | 2017-12-11 | 2017-12-11 | The body of the cutting head, cutterhead and development machine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114575871A (en) * | 2022-05-05 | 2022-06-03 | 三一重型装备有限公司 | Cutting head and engineering equipment |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2653706A1 (en) * | 1976-11-26 | 1978-06-01 | Krummenauer Kg H | Coal cutting drum with spiral coal picks - has cooling water discharged from spiral structure and has picks on end flange |
GB2027773A (en) * | 1978-08-03 | 1980-02-27 | Minsup Mining Supplies | Mineral-mining Cutter Drum |
CN101289937A (en) * | 2007-12-14 | 2008-10-22 | 三一重型装备有限公司 | Cutting head structure of tunneling machine |
CN201635739U (en) * | 2010-04-16 | 2010-11-17 | 江苏华飞重工机械有限公司 | Cutting head for cutting part of tunneller |
CN202012348U (en) * | 2011-04-06 | 2011-10-19 | 佳木斯煤矿机械有限公司 | Cutting device of roadheader |
CN202832530U (en) * | 2012-08-01 | 2013-03-27 | 三一重型装备有限公司 | Heading machine and cutting portion thereof |
CN103046926A (en) * | 2012-12-18 | 2013-04-17 | 三一重型装备有限公司 | Heading machine and split cutting head thereof |
CN203655286U (en) * | 2013-12-29 | 2014-06-18 | 太重煤机有限公司 | Hobbing cutter-type cutting head for cantilever excavator |
CN105840191A (en) * | 2016-05-23 | 2016-08-10 | 上海信搿煤炭机械有限公司 | Cutting head for tunneling machine |
CN205654342U (en) * | 2016-05-23 | 2016-10-19 | 上海信搿煤炭机械有限公司 | A helical blade for cutterhead |
CN106150493A (en) * | 2015-07-08 | 2016-11-23 | 徐工集团工程机械股份有限公司 | Cutting head of roadheader and development machine |
CN106761803A (en) * | 2017-02-13 | 2017-05-31 | 徐工集团工程机械有限公司 | Development machine cutterhead and development machine |
CN107060754A (en) * | 2017-04-11 | 2017-08-18 | 中车株洲电力机车有限公司 | Bore pick and its cutterhead in one kind top |
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2017
- 2017-12-11 CN CN201711311583.XA patent/CN108104809A/en active Pending
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2653706A1 (en) * | 1976-11-26 | 1978-06-01 | Krummenauer Kg H | Coal cutting drum with spiral coal picks - has cooling water discharged from spiral structure and has picks on end flange |
GB2027773A (en) * | 1978-08-03 | 1980-02-27 | Minsup Mining Supplies | Mineral-mining Cutter Drum |
CN101289937A (en) * | 2007-12-14 | 2008-10-22 | 三一重型装备有限公司 | Cutting head structure of tunneling machine |
CN201635739U (en) * | 2010-04-16 | 2010-11-17 | 江苏华飞重工机械有限公司 | Cutting head for cutting part of tunneller |
CN202012348U (en) * | 2011-04-06 | 2011-10-19 | 佳木斯煤矿机械有限公司 | Cutting device of roadheader |
CN202832530U (en) * | 2012-08-01 | 2013-03-27 | 三一重型装备有限公司 | Heading machine and cutting portion thereof |
CN103046926A (en) * | 2012-12-18 | 2013-04-17 | 三一重型装备有限公司 | Heading machine and split cutting head thereof |
CN203655286U (en) * | 2013-12-29 | 2014-06-18 | 太重煤机有限公司 | Hobbing cutter-type cutting head for cantilever excavator |
CN106150493A (en) * | 2015-07-08 | 2016-11-23 | 徐工集团工程机械股份有限公司 | Cutting head of roadheader and development machine |
CN105840191A (en) * | 2016-05-23 | 2016-08-10 | 上海信搿煤炭机械有限公司 | Cutting head for tunneling machine |
CN205654342U (en) * | 2016-05-23 | 2016-10-19 | 上海信搿煤炭机械有限公司 | A helical blade for cutterhead |
CN106761803A (en) * | 2017-02-13 | 2017-05-31 | 徐工集团工程机械有限公司 | Development machine cutterhead and development machine |
CN107060754A (en) * | 2017-04-11 | 2017-08-18 | 中车株洲电力机车有限公司 | Bore pick and its cutterhead in one kind top |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114575871A (en) * | 2022-05-05 | 2022-06-03 | 三一重型装备有限公司 | Cutting head and engineering equipment |
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Application publication date: 20180601 |