CN107461206B - A kind of hobboing cutter and the alternatively distributed intensive cutting part of heading machine of pick - Google Patents
A kind of hobboing cutter and the alternatively distributed intensive cutting part of heading machine of pick Download PDFInfo
- Publication number
- CN107461206B CN107461206B CN201710881885.4A CN201710881885A CN107461206B CN 107461206 B CN107461206 B CN 107461206B CN 201710881885 A CN201710881885 A CN 201710881885A CN 107461206 B CN107461206 B CN 107461206B
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- intensive
- pick
- toothholder
- big gun
- installation position
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- 238000005520 cutting process Methods 0.000 title claims abstract description 36
- 238000009434 installation Methods 0.000 claims abstract description 50
- 238000011161 development Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 230000005641 tunneling Effects 0.000 abstract description 3
- 239000011435 rock Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 238000003466 welding Methods 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- KXKPYJOVDUMHGS-OSRGNVMNSA-N chondroitin sulfate Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](OS(O)(=O)=O)[C@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](C(O)=O)O1 KXKPYJOVDUMHGS-OSRGNVMNSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
-
- 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
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
- E21D9/104—Cutting tool fixtures
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Component Parts Of Construction Machinery (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
Hobboing cutter and the alternatively distributed intensive cutting part of heading machine of pick, belong to tunneling machine cutting technical field.The cutting units includes big gun head, intensive toothholder, intensive pick, disk cutter, helical blade, monodentate toothholder and common pick；Intensive toothholder is in a strip shape, intensive toothholder quantity is equal with the spiral curve number at big gun crown end, the helix at every intensive corresponding big gun crown end of toothholder, the line style of the corresponding helix of the shape of every intensive toothholder is identical, and intensive toothholder is weldingly fixed on big gun crown end along corresponding helix；There are intensive pick installation position and disk cutter installation position on intensive toothholder, intensive pick installation position and disk cutter installation position are arranged alternately, and intensive pick is installed in intensive pick installation position, installs disk cutter in disk cutter installation position；It is fixed with helical blade between big gun crown end and big gun head bottom, along the fixed monodentate toothholder in the direction of rotation of helical blade, common pick is installed in monodentate toothholder.
Description
Technical field
The present invention relates to tunneling machine cutting technical field, in particular to a kind of hobboing cutter and the alternatively distributed intensive pick of pick
Into machine cutting units.
Background technique
Development machine is the key equipment of modern mine working speedy drivage, continuous with coal mine down-hole tunnel driving technology
The driving speed of development, development machine is continuously improved, but still is not able to satisfy production requirement, this seriously restricts the height of China's mine
Imitate high yield operation.Cutterhead is the direct component that development machine realizes broken rock, and wherein the abrasion of pick, falling off for toothholder are in construction
Common problem, existing development machine is in actual production use process, particularly with the cutting of high rigidity rock, cutterhead top
Pick abrasion and toothholder obscission be particularly acute, largely effect on the operating efficiency of development machine and improve operating cost, can not
Meet efficient high yield demand.Therefore, a kind of novel, efficient there is an urgent need to develop, especially for the driving of high rigidity rock
Machine cutting units.
Summary of the invention
The present invention provides the alternatively distributed intensive cutting part of heading machine of a kind of hobboing cutter and pick, the hobboing cutter and pick
Alternatively distributed intensity cutting part of heading machine include big gun head, intensive toothholder, intensive pick, disk cutter, helical blade,
Monodentate toothholder and common pick；
Intensive toothholder is in a strip shape, and the quantity of intensive toothholder is equal with the item number of helix for being arranged in big gun crown end,
The helix at every intensive corresponding big gun crown end of toothholder, the corresponding helix of the shape of every intensive toothholder
Line style is identical, and every intensive toothholder is weldingly fixed on big gun crown end along corresponding helix；
There are multiple intensive pick installation positions and multiple disk cutter installation positions, intensive pick peace on intensive toothholder
Dress position and disk cutter installation position are arranged alternately, installation one intensive pick, Mei Gepan in each intensity pick installation position
One disk cutter is installed in shape hobboing cutter installation position；
It is further fixed on helical blade between big gun crown end and the bottom of big gun head, along the direction of rotation of helical blade in big gun
Multiple monodentate toothholders are fixed on head, a common pick is respectively mounted in each monodentate toothholder.
The intensity pick installation position is equipped with intensive pick mounting hole, and the intensity pick insertion is intensive to cut
In tooth mounting hole, it is equipped with pin hole on the intensity pick installation position and the intensive pick, it will be described by pin
Intensive pick is fixed in the intensive pick installation position.
The disk cutter installation position is equipped with hobboing cutter mounting groove and pin hole, and the disk cutter is equipped with pin hole,
The disk cutter is mounted in hobboing cutter mounting groove by pin, disk cutter can roll in hobboing cutter mounting groove around pin
It is dynamic.
The intensity toothholder, the intensive pick installation position and the disk cutter installation position are integrally formed.
The cylindrical section bottom end of the common pick is equipped with card slot, and the monodentate toothholder is equipped with mounting hole, the circle of common pick
Shell of column is inserted into the mounting hole and cylindrical section bottom end is exposed out of mounting hole, and is caught in the card slot using annular retaining ring, general
Logical pick and monodentate toothholder are clearance fit.
The material of the annular retaining ring is metal.
The quantity of the intensity toothholder is 2,3 or 4.
The present invention falls off serious phenomenon for the pick serious wear and toothholder at cutting part of heading machine big gun crown end, according to cutting
Portion big gun crown end pick and toothholder the stress feature bigger than cutting units other position stress are cut, traditional cutting part of heading machine is carried out
It improves, i.e., the monodentate toothholder at cutterhead big gun crown end is replaced with improved intensive toothholder, and by disk cutter and intensity
Pick is alternately installed on intensive toothholder；Intensive toothholder and big gun crown end in the present invention realize fixed connect by welding
It connects, compared in big gun crown end interval welding monodentate toothholder, considerably increases the bonding area between toothholder and big gun head, therefore when peace
When some intensity pick on intensive toothholder is larger by impact force, impact force is born by intensive toothholder, greatly
The phenomenon that avoiding toothholder from falling off；By welding intensive toothholder in the present invention, can be installed more on the limited area in big gun crown end
More picks, and then increase the pick density at big gun crown end, reduce the concentration stress of single pick, meanwhile, disk cutter and intensive
Type pick is alternately distributed, and disk cutter can be made to carry out being intended to split to rock before intensive pick cutting rock, alleviate big gun significantly
Crown end pick is seriously worn, so that the replacement cycle of all picks is almost equal on entire big gun head, reduces pick more
Change number and downtime, be of great significance to the working efficiency for improving development machine, at the same reduce the concentration of single pick by
Power also can be effectively prevented toothholder and fall off, and be beneficial to reduce maintenance cost；And in the present invention the intensive toothholder of bar shaped shape
It is identical as the line style of helix of big gun crown end arrangement, broken rock can be effectively discharged.In the present invention
Cutting units is compact-sized, reasonable, simple, has wide applicability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hobboing cutter provided by the invention and the alternatively distributed intensive cutting part of heading machine of pick；
Fig. 2 is intensive toothholder and big gun head position view provided by the invention；
Fig. 3 is intensive toothholder position provided by the invention arrangement schematic diagram；
Fig. 4 is the structural schematic diagram of common pick provided by the invention；
Fig. 5 is the structural schematic diagram of monodentate toothholder provided by the invention；
Fig. 6 is the assembling schematic diagram of monodentate toothholder and common pick provided by the invention；
Fig. 7 is the structural schematic diagram of intensive pick provided by the invention；
Fig. 8 is the structural schematic diagram of intensive toothholder provided by the invention；
Fig. 9 is the structural schematic diagram of disk cutter provided by the invention；
Figure 10 is the assembling schematic diagram of intensive toothholder and intensive pick and disk cutter provided by the invention.
Wherein,
1 big gun head, 11 big gun crown ends, 12 big gun head central axis；2 intensive toothholders, 21 intensive pick installation positions, 22 dish types
Hobboing cutter installation position, 23 intensive pick mounting holes, 24 pin hole a, 25 hobboing cutter mounting grooves, 26 pin hole b；3 intensive picks, 31
Pin hole c；4 disk cutters, 41 pin hole d；5 helical blades；6 monodentate toothholders, 61 mounting holes；7 common picks, 71 card slots；8 pins
Nail；9 annular retaining rings.
Specific embodiment
When making cutterhead, can according to the actual situation for example the size of big gun head and situations such as the hardness of coal petrography in big gun head
In the prior art monodentate toothholder is welded and fixed along helix, finally in list in the helix of upper arrangement fair amount on big gun head
Pick setting in tooth toothholder is welded on the monodentate tooth at big gun crown end along helix since the area at big gun crown end is smaller
The quantity of seat also can be less, therefore the pick negligible amounts at big gun crown end, but during cutterhead work, big gun crown end is most
The rock of high rigidity is first contacted, therefore the pick abrasion at big gun crown end is more serious, influences working efficiency.
As shown in Figures 1 to 10, the present invention provides the alternatively distributed intensive tunneling machine cuttings of a kind of hobboing cutter and pick
Portion, the hobboing cutter and the alternatively distributed intensive cutting part of heading machine of pick include big gun head 1, intensive toothholder 2, intensive pick 3,
Disk cutter 4, helical blade 5, monodentate toothholder 6 and common pick 7；
In the present invention, when making cutting units, it is also desirable to according to the actual situation on big gun head 1 and 11 row of big gun crown end
The helix of cloth fair amount, wherein intensive toothholder 2 is in a strip shape, the quantity of intensive toothholder 2 and is arranged in big gun crown end 11
Helix item number it is equal, the helix at the corresponding big gun crown end 11 of every intensive toothholder 2, every intensive toothholder 2
The corresponding helix of shape line style it is identical, every intensive toothholder 2 is welded and fixed along corresponding helix
At big gun crown end 11, the quantity of intensive toothholder 2 can be two, three or four, the big gun crown in Fig. 1, Fig. 2 and Fig. 3
End 11 is placed with two helixes, therefore is fixedly welded two intensive toothholders 2 at big gun crown end 11；
There are multiple intensive pick installation positions 21 and multiple disk cutter installation positions 22 on intensive toothholder 2, it is intensive
Pick installation position 21 and disk cutter installation position 22 are arranged alternately, and install an intensity in each intensity pick installation position 21
Pick 3, each disk cutter installation position 22 is interior to install a disk cutter 4；
Helical blade 5 is further fixed between big gun crown end 11 and the bottom of big gun head 1, helical blade 5 is along positioned at big gun head
The helix arranged between top 11 and the bottom of big gun head 1 is weldingly fixed on big gun head 1, and along the rotation side of helical blade 5
To, by the way that multiple monodentate toothholders 6 are welded and fixed, multiple monodentate toothholders 6 are close to helical blade 5 close to big gun crown end 11 on big gun head 1
Side, and reinforced between multiple monodentate toothholders 6 and helical blade 5 also by welding, be respectively mounted in each monodentate toothholder 6
One common pick 7.Wherein, the structure of each monodentate toothholder 6 is all the same, and part monodentate toothholder 6 and helical-blade are omitted in Fig. 1
The structure of piece 5；
In the present invention, as shown in figs, intensive pick installation position 21 is equipped with intensive pick mounting hole
23, intensive pick 3 is inserted into intensive pick mounting hole 23, carries out radial positioning to intensive pick 3, such as Fig. 7, Fig. 8 and
Shown in Figure 10, intensive pick installation position 21 is equipped with pin hole a24, also is provided with pin hole c31 on intensive pick 3, passes through
Intensive pick 3 is fixed in intensive pick installation position 21 by pin 8, carries out axially position to intensive pick 3.
As shown in figure 8, disk cutter installation position 22 is equipped with hobboing cutter mounting groove 25 and pin hole b26, as shown in figure 9, disk
Shape hobboing cutter 4 is equipped with pin hole d41 and disk cutter 4 is mounted on hobboing cutter mounting groove 25 by pin 8 as shown in figs
Interior, the pin 8 that disk cutter 4 can pass around its center rolls in hobboing cutter mounting groove 25.
Intensive toothholder 2, intensive pick installation position 21 and disk cutter installation position 22 in the present invention are integrally formed,
Intensive toothholder 2 is produced by casting and forming, by being machined to intensive toothholder 2, such as fluting, drilling etc.
It is machined on the intensive toothholder 2 that casting is completed and processes intensive pick installation position 21 and disk cutter installation position 22.
As shown in figure 4, the cylindrical section bottom end of common pick 7 is equipped with card slot 71, as shown in figure 5, monodentate toothholder 6 is equipped with installation
The cylindrical section in hole 61, common pick 7 is inserted into mounting hole, radial positioning is carried out to common pick 7, as shown in fig. 6, cylindrical section bottom
End is exposed out of mounting hole 61, and is caught in card slot 71 using annular retaining ring 9, carries out axially position, common pick to common pick 7
7 with monodentate toothholder 6 be clearance fit, wherein the material of annular retaining ring 9 is metal, such as can be iron.
Hobboing cutter and the alternatively distributed intensive cutting part of heading machine of pick in the present invention is as follows in the principle of work: spiral
Blade 5, monodentate toothholder 6 and intensive toothholder 2 can make rotating motion around big gun head central axis 12 together with big gun head 1, therefore
Intensive pick 3 in intensive pick installation position 21, the disk cutter 4 in disk cutter installation position 22 and position
It can make rotating motion simultaneously in the common pick 7 in monodentate toothholder 6, realize the cutting to rock.
The present invention falls off serious phenomenon for the pick serious wear and toothholder at cutting part of heading machine big gun crown end, according to cutting
Portion big gun crown end pick and toothholder the stress feature bigger than cutting units other position stress are cut, traditional cutting part of heading machine is carried out
Improve, i.e., replace the improved intensive toothholder 2 of the monodentate toothholder 6 at cutterhead big gun crown end 11, and by disk cutter 22 with
Intensive pick 3 is alternately installed on intensive toothholder 2；Intensive toothholder 2 and big gun crown end 11 in the present invention pass through welding
It achieves a fixed connection, with compared with big gun crown end 11 is spaced welding monodentate toothholder 6, considerably increases the weldering between toothholder and big gun head 1
Junction product, therefore when some the intensity pick 3 being mounted on intensive toothholder 2 is larger by impact force, impact force is by close
The phenomenon that collection type toothholder 2 is born, and greatly toothholder is avoided to fall off；It, can be at big gun crown end by welding intensive toothholder 2 in the present invention
More picks are installed on 11 limited areas, and then increase the pick density at big gun crown end 11, reduce the concentration of single pick by
Power, meanwhile, disk cutter 4 is alternately distributed with intensive pick 3, and disk cutter 4 can be made right before intensive 3 cutting rock of pick
Rock carries out being intended to split, and alleviates being seriously worn for 11 pick of big gun crown end significantly, so that all picks on entire big gun head 1
Replacement cycle is almost equal, reduces pick replacement number and downtime, has important meaning to the working efficiency for improving development machine
Justice, while the concentration stress of single pick is reduced, toothholder also can be effectively prevented and fall off, be beneficial to reduce maintenance cost；And this
The shape of the intensive toothholder 2 of bar shaped is identical as the line style of helix that big gun crown end 11 is arranged in invention, can be to after broken
Rock be effectively discharged.Cutting units in the present invention is compact-sized, reasonable, simple, has wide applicability.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of hobboing cutter and the alternatively distributed intensive cutting part of heading machine of pick, which is characterized in that the hobboing cutter and pick are handed over
Intensive cutting part of heading machine for distribution includes big gun head, intensive toothholder, intensive pick, disk cutter, helical blade, list
Tooth toothholder and common pick；
Intensive toothholder is in a strip shape, and the quantity of intensive toothholder is equal with the item number of helix for being arranged in big gun crown end, and every
The helix at the corresponding big gun crown end of intensive toothholder, the line style of the corresponding helix of the shape of every intensive toothholder
Identical, every intensive toothholder is weldingly fixed on big gun crown end along corresponding helix；
There are multiple intensive pick installation positions and multiple disk cutter installation positions, intensive pick installation position on intensive toothholder
It is arranged alternately with disk cutter installation position, installation one intensive pick in each intensity pick installation position, each dish type rolling
One disk cutter is installed in knife installation position；
It is further fixed on helical blade between big gun crown end and the bottom of big gun head, along the direction of rotation of helical blade on big gun head
Multiple monodentate toothholders are fixed, are respectively mounted a common pick in each monodentate toothholder.
2. hobboing cutter according to claim 1 and the alternatively distributed intensive cutting part of heading machine of pick, which is characterized in that institute
It states intensive pick installation position and is equipped with intensive pick mounting hole, the intensity pick is inserted into intensive pick mounting hole
It is interior, it is equipped with pin hole on the intensity pick installation position and the intensive pick, by pin by described intensive section
Tooth is fixed in the intensive pick installation position.
3. hobboing cutter according to claim 1 and the alternatively distributed intensive cutting part of heading machine of pick, which is characterized in that institute
Disk cutter installation position is stated equipped with hobboing cutter mounting groove and pin hole, the disk cutter is equipped with pin hole, will by pin
The disk cutter is mounted in hobboing cutter mounting groove, and disk cutter can roll in hobboing cutter mounting groove around pin.
4. hobboing cutter according to claim 1 and the alternatively distributed intensive cutting part of heading machine of pick, which is characterized in that institute
Intensive toothholder, the intensive pick installation position and the disk cutter installation position is stated to be integrally formed.
5. hobboing cutter according to claim 1 and the alternatively distributed intensive cutting part of heading machine of pick, which is characterized in that institute
The cylindrical section bottom end for stating common pick is equipped with card slot, and the monodentate toothholder is equipped with mounting hole, and the cylindrical section of common pick is inserted into institute
It states in mounting hole and cylindrical section bottom end is exposed out of mounting hole, and be caught in the card slot, common pick and list using annular retaining ring
Tooth toothholder is clearance fit.
6. hobboing cutter according to claim 5 and the alternatively distributed intensive cutting part of heading machine of pick, which is characterized in that institute
The material for stating annular retaining ring is metal.
7. being cut according to claim 1 to the alternatively distributed intensive development machine of hobboing cutter described in any one of 6 claims and pick
Cut portion, which is characterized in that the quantity of the intensity toothholder is 2,3 or 4.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710881885.4A CN107461206B (en) | 2017-09-26 | 2017-09-26 | A kind of hobboing cutter and the alternatively distributed intensive cutting part of heading machine of pick |
| NL2024360A NL2024360B1 (en) | 2017-09-26 | 2019-12-02 | Intensive Tunnelling Machine Cutting Portion with Hobbing Cutters and Picks in Alternate Distribution |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710881885.4A CN107461206B (en) | 2017-09-26 | 2017-09-26 | A kind of hobboing cutter and the alternatively distributed intensive cutting part of heading machine of pick |
| NL2024360A NL2024360B1 (en) | 2017-09-26 | 2019-12-02 | Intensive Tunnelling Machine Cutting Portion with Hobbing Cutters and Picks in Alternate Distribution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107461206A CN107461206A (en) | 2017-12-12 |
| CN107461206B true CN107461206B (en) | 2019-06-04 |
Family
ID=78595197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710881885.4A Active CN107461206B (en) | 2017-09-26 | 2017-09-26 | A kind of hobboing cutter and the alternatively distributed intensive cutting part of heading machine of pick |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107461206B (en) |
| NL (1) | NL2024360B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2024360B1 (en) * | 2017-09-26 | 2021-01-14 | Univ Shandong Science & Tech | Intensive Tunnelling Machine Cutting Portion with Hobbing Cutters and Picks in Alternate Distribution |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159293B (en) * | 2019-06-05 | 2021-06-11 | 辽宁工程技术大学 | Drilling and milling type cutting experiment mechanism of heading machine |
| CN111535826A (en) * | 2020-04-08 | 2020-08-14 | 三一重型装备有限公司 | Cutting tooth fixing structure, cutting part and heading machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4119350A (en) * | 1976-05-13 | 1978-10-10 | Gebr. Eickhoff, Maschinenfabrik Und Eisengiesserei, M.B.H. | Cutter drum |
| CN201433764Y (en) * | 2009-06-26 | 2010-03-31 | 中国矿业大学 | Cutterhead for longitudinal shaft type development machine |
| CN201843612U (en) * | 2010-10-26 | 2011-05-25 | 煤炭科学研究总院太原研究院 | Heavy-duty horizontal-shaft-type cutting cylinder for hard rock boring machine |
| CN202882917U (en) * | 2012-09-24 | 2013-04-17 | 邵祥顺 | Novel cutter head with replaceable top cutting edge |
| CN204899921U (en) * | 2015-07-08 | 2015-12-23 | 徐工集团工程机械股份有限公司 | Entry driving machine cutterhead and entry driving machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461206B (en) * | 2017-09-26 | 2019-06-04 | 辽宁工程技术大学 | A kind of hobboing cutter and the alternatively distributed intensive cutting part of heading machine of pick |
-
2017
- 2017-09-26 CN CN201710881885.4A patent/CN107461206B/en active Active
-
2019
- 2019-12-02 NL NL2024360A patent/NL2024360B1/en not_active IP Right Cessation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4119350A (en) * | 1976-05-13 | 1978-10-10 | Gebr. Eickhoff, Maschinenfabrik Und Eisengiesserei, M.B.H. | Cutter drum |
| CN201433764Y (en) * | 2009-06-26 | 2010-03-31 | 中国矿业大学 | Cutterhead for longitudinal shaft type development machine |
| CN201843612U (en) * | 2010-10-26 | 2011-05-25 | 煤炭科学研究总院太原研究院 | Heavy-duty horizontal-shaft-type cutting cylinder for hard rock boring machine |
| CN202882917U (en) * | 2012-09-24 | 2013-04-17 | 邵祥顺 | Novel cutter head with replaceable top cutting edge |
| CN204899921U (en) * | 2015-07-08 | 2015-12-23 | 徐工集团工程机械股份有限公司 | Entry driving machine cutterhead and entry driving machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2024360B1 (en) * | 2017-09-26 | 2021-01-14 | Univ Shandong Science & Tech | Intensive Tunnelling Machine Cutting Portion with Hobbing Cutters and Picks in Alternate Distribution |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107461206A (en) | 2017-12-12 |
| NL2024360B1 (en) | 2021-01-14 |
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