CN109779629B - Spray dust-fall cutting head - Google Patents
Spray dust-fall cutting head Download PDFInfo
- Publication number
- CN109779629B CN109779629B CN201910078884.5A CN201910078884A CN109779629B CN 109779629 B CN109779629 B CN 109779629B CN 201910078884 A CN201910078884 A CN 201910078884A CN 109779629 B CN109779629 B CN 109779629B
- Authority
- CN
- China
- Prior art keywords
- cutting head
- passage
- rotary
- seat
- cylinder seat
- 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
- 238000005520 cutting process Methods 0.000 title claims abstract description 72
- 239000007921 spray Substances 0.000 title claims abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000001629 suppression Effects 0.000 claims 3
- 230000005641 tunneling Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003595 mist Substances 0.000 abstract description 3
- 239000003245 coal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Abstract
The invention discloses a spray dust-fall cutting head, which comprises a cutting head case, wherein a driving mechanism is arranged in the cutting head case to drive a rotary cutting head arranged on the cutting head case to rotate so as to implement cutting operation, an exposed part of the cutting head case at a rear end nozzle of a rotary cylinder seat of the rotary cutting head is connected with a water inlet pipe joint, an annular chamber between a bearing pipe seat at two sides of the cutting head case and the rotary cylinder seat is communicated with the water inlet pipe joint through a process passage, a nozzle communicated with the annular chamber is arranged on the rotary cylinder seat, and the spraying direction of the nozzle points to an operation area of the rotary cutting head. Because the tunneling head rotates, the rotary cylinder seat and the nozzle synchronously rotate, the periphery of the rotary cutting head is filled with the formed spray, a large amount of dust generated during tunneling is directly coalesced with mist drops on the periphery of the cutting head, dust fall treatment is effectively carried out at the source of the generated dust, and the dust fall effect can be greatly improved.
Description
Technical Field
The invention relates to the technical field of heading machines, in particular to a spray dust-fall cutting head.
Background
The development machine is a large-scale machine for tunneling coal mines and non-coal mine tunnels, and when the underground development machine is used for construction, a large amount of dust is generated due to the fact that a cutting head cuts rocks, the dust is diffused in a closed tunnel, so that the dust concentration in the tunnel is extremely high, the existing solution is that a wet dust removal fan is additionally arranged at the tail part of the development machine or spray dust fall is carried out in the tunnel, namely the diffused dust is treated, the dust cannot be timely reduced due to the fact that the wet dust removal fan is additionally arranged at the tail part of the development machine, the dust is low in visibility and cannot be continuously operated, and the dust can also cause extremely great harm to the body of personnel constructing the tunnel.
Disclosure of Invention
The invention aims to provide a spray dust-falling cutting head which can directly carry out dust-falling treatment on the cutting head of a heading machine so as to greatly reduce the dust concentration in a roadway.
In order to achieve the above purpose, the technical scheme adopted is as follows: the utility model provides a spraying dust fall cutting head, including cutting head machine case, cutting head machine incasement sets up the rotatory cutting head rotation implementation cutting operation that actuating mechanism set up on the cutting head machine case, the cutting head machine case of the rear end nozzle department of the rotatory barrel seat of rotatory cutting head shows the portion and connects the water inlet pipe joint, the annular cavity between bearing tube seat and the rotatory barrel seat of cutting head machine case both sides is through technology route and water inlet pipe joint intercommunication, be provided with the nozzle of intercommunication annular cavity on the rotatory barrel seat, the spray direction of nozzle is directional to the operation region of rotatory cutting head.
Compared with the prior art, the invention has the technical effects that: because the tunneling head rotates, the rotary cylinder seat and the nozzle synchronously rotate, the periphery of the rotary cutting head is filled with the formed spray, a large amount of dust generated during tunneling is directly coalesced with mist drops on the periphery of the cutting head, dust fall treatment is effectively carried out at the source of the generated dust, and the dust fall effect can be greatly improved.
Drawings
FIG. 1 is a perspective view of a heading machine of the present invention;
FIG. 2 is a cross-sectional view of a cutting head of the present invention;
fig. 3 is an enlarged schematic view of the structure at M in fig. 2.
Detailed Description
The utility model provides a spraying dust fall cutting head, including cutting head machine case 10, set up actuating mechanism in the cutting head machine case 10 and drive the rotatory cutting head 20 rotation that sets up on the cutting head machine case 10 and implement the cutting operation, the cutting head machine case 10 of the rear end nozzle department of rotatory cartridge seat 21 of rotatory cutting head 20 shows the portion and connects into water pipe joint 70, the annular cavity 60 between bearing tube seat 11 and the rotatory cartridge seat 21 of cutting head machine case 10 both sides is linked together with the inlet tube joint 70 through the technology passageway, be provided with the nozzle 22 of intercommunication annular cavity 60 on the rotatory cartridge seat 21, the hydrojet direction of nozzle 22 is directional to the operation region of rotatory cutting head 20.
As shown in fig. 1 and 2, pressurized water is fed into the annular chamber 60 from a process passage, the pressurized water in the annular chamber 60 is sprayed out by the nozzle 22 on the rotary drum seat 21 to form spray, and due to the rotation operation of the tunneling head, the rotary drum seat 21 and the nozzle 22 synchronously rotate, so that the formed spray fills the periphery of the rotary cutting head 20, a large amount of dust generated during tunneling is directly coalesced with mist drops on the periphery of the cutting head, and effective dust falling treatment is performed at the source of dust generation, so that the dust falling effect can be greatly improved. In addition, the annular chamber 60 formed between the bearing tube seat 11 and the rotary tube seat 21 takes away the heat on the bearing tube seat 11 and the rotary tube seat 21 by flowing pressurized water, so that the temperature of the rotary cutting head 20 can be effectively reduced, and the service life of the cutting head is greatly prolonged.
The invention can be improved on the original cutting head to reduce development cost, so that the water inlet pipe joint 70 cannot be arranged on the periphery of the bearing tube seat 11, the process passage comprises a first passage 12 formed in the end part of the cutting head machine case 10 and a second passage 111 formed in the bearing tube seat 11, the water inlet and the water outlet of the first passage 12 are respectively communicated with the water inlet pipe joint 70 and the water inlet of the second passage 111, the water outlet of the second passage 111 is communicated with the annular cavity 60, the water inlet pipe joint 70 is connected on the peripheral surface of the end part of the cutting head machine case 10, and the water inlet pipe joint 70 is positioned at the avoiding position of the end part of the rotary cylinder seat 21.
The following is a specific arrangement mode of the process passage, the liquid inlet and the liquid outlet of the first passage 12 are respectively positioned on the outer peripheral surface and the end surface of the end part of the cutting head case 10, the liquid outlet of the first passage 12 corresponds to the liquid inlet of the second passage 111 of the end surface of the inner end of the bearing tube seat 11, the flange 14 of the inner end of the bearing tube seat 11 is connected with the end part of the cutting head case 10, and a first sealing ring 13 is arranged between the end surface of the outer periphery of the liquid outlet of the first passage 12 and the end surface of the flange 14.
In order to effectively seal the annular chamber 60 and prevent liquid in the annular chamber 60 from leaking, sealing units are arranged at two axial end parts of the annular chamber 60 formed on the bearing tube seat 11 in a sleeved mode by the rotary tube seat 21, the sealing units are lining rings 50, the lining rings 50 are arranged at two end parts of the bearing tube seat 11 in a pressure equalizing mode, two second sealing rings 51 are arranged between the lining rings 50 and the outer peripheral surface of the bearing tube seat 11 at intervals, and a third sealing ring 52 is arranged between the lining rings 50 and the inner tube surface of the rotary tube seat 21.
The driving mechanism comprises a main rotating shaft 40 in the cutting head case 10, a driving gear 1 is meshed with a driven gear 41 arranged on the shaft body of the main rotating shaft 40, bearings 30 are arranged between the shaft bodies of the main rotating shafts 40 at two sides of the driven gear 41 and a bearing tube seat 11 on the cutting head case 10, the shaft ends of the main rotating shaft 40 positioned at the front ends of the bearing tube seat 11 are connected with a barrel-shaped rotary tube seat 21, and cutting conical cutters 23 are arranged at the end parts and the periphery of the rotary tube seat 21.
Claims (4)
1. The utility model provides a spraying dust fall cutting head, includes cutting head machine case (10), sets up rotation cutting head (20) rotation implementation cutting operation that actuating mechanism drive cutting head machine case (10) set up in cutting head machine case (10), its characterized in that: the exposure part of a cutting head machine case (10) at the rear end cylinder opening of a rotary cylinder seat (21) of a rotary cutting head (20) is connected with a water inlet pipe joint (70), an annular chamber (60) between bearing pipe seats (11) at two sides of the cutting head machine case (10) and the rotary cylinder seat (21) is communicated with the water inlet pipe joint (70) through a process passage, a nozzle (22) communicated with the annular chamber (60) is arranged on the rotary cylinder seat (21), and the spraying direction of the nozzle (22) points to an operation area of the rotary cutting head (20);
the process passage comprises a first passage (12) formed at the end part of the cutting head case (10) and a second passage (111) formed on the bearing tube seat (11), wherein the liquid inlet and the liquid outlet of the first passage (12) are respectively communicated with the water inlet pipe joint (70) and the liquid inlet of the second passage (111), and the liquid outlet of the second passage (111) is communicated with the annular chamber (60);
the liquid inlet and the liquid outlet of the first passage (12) are respectively positioned on the outer peripheral surface and the end surface of the end part of the cutting head machine case (10), and the liquid outlet of the first passage (12) corresponds to the liquid inlet of the second passage (111) of the inner end surface of the bearing tube seat (11).
2. The spray dust suppression cutting head of claim 1, wherein: the flange (14) at the inner end of the bearing tube seat (11) is connected with the end part of the cutting head machine case (10), and a first sealing ring (13) is arranged between the end surface of the outer periphery of the liquid outlet of the first passage (12) and the end surface of the flange (14).
3. The spray dust suppression cutting head of claim 1, wherein: the rotary cylinder seat (21) is sleeved on an annular chamber (60) formed on the bearing cylinder seat (11), sealing units are arranged at two axial end parts of the annular chamber, the sealing units are lining rings (50), the lining rings (50) are installed at two end parts of the bearing cylinder seat (11) in a pressure equalizing mode, two second sealing rings (51) are distributed between the lining rings (50) and the outer peripheral surface of the bearing cylinder seat (11) at intervals, and a third sealing ring (52) is arranged between the lining rings (50) and the inner tube surface of the rotary cylinder seat (21).
4. The spray dust suppression cutting head of claim 1, wherein: the driving mechanism comprises a main rotating shaft (40) in the cutting head case (10), a driving gear (1) is meshed with a driven gear (41) arranged on the shaft body of the main rotating shaft (40), a bearing (30) is arranged between the shaft body of the main rotating shaft (40) at two sides of the driven gear (41) and a bearing tube seat (11) on the cutting head case (10), the shaft end of the main rotating shaft (40) positioned at the front end of the bearing tube seat (11) is connected with a barrel-shaped rotary tube seat (21), and a cutting cone cutter (23) is arranged at the end part and the periphery of the rotary tube seat (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910078884.5A CN109779629B (en) | 2019-01-28 | 2019-01-28 | Spray dust-fall cutting head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910078884.5A CN109779629B (en) | 2019-01-28 | 2019-01-28 | Spray dust-fall cutting head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109779629A CN109779629A (en) | 2019-05-21 |
| CN109779629B true CN109779629B (en) | 2024-04-16 |
Family
ID=66502680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910078884.5A Active CN109779629B (en) | 2019-01-28 | 2019-01-28 | Spray dust-fall cutting head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109779629B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173531A (en) * | 2020-02-21 | 2020-05-19 | 中冶建工集团有限公司 | Non-explosive excavation method for urban tunnel |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59206594A (en) * | 1983-04-11 | 1984-11-22 | フオエスト−アルピネ・アクチエンゲゼルシヤフト | Method and apparatus for spraying compressed fluid to bit and/or local wall |
| EP0196336A1 (en) * | 1984-12-07 | 1986-10-08 | Schneider Werk St. Wendel | Controlled segment spraying of shearer drums and shearer heads in mining and tunnelling |
| DE3631202A1 (en) * | 1986-05-21 | 1987-11-26 | Atlas Copco Eickhoff Road | Control means for the admission of pressure fluid to the nozzles or nozzle groups, in engagement with the mineral, of the cutting drum of a selective-cut heading machine or a shearer loader |
| DE4227584A1 (en) * | 1992-08-20 | 1994-02-24 | Freier Fritz Fa | Cutter-head for rock- or coal-mining - has plungers in circle in blind holes connected to coolant supply forming seal between stationary and rotary halves |
| CN101086207A (en) * | 2006-06-09 | 2007-12-12 | 三一重型装备有限公司 | External tunneling machine cutting part cutting head for sealing water |
| CN101235718A (en) * | 2007-12-21 | 2008-08-06 | 沈阳矿山机械（集团）有限责任公司 | External type water channel inner sprayer unit |
| CN201149080Y (en) * | 2007-12-28 | 2008-11-12 | 三一重型装备有限公司 | Rotary sealing device with water seal at exterior |
| CN101967972A (en) * | 2010-09-28 | 2011-02-09 | 三一重型装备有限公司 | Mining equipment and spraying system thereof |
| CN105464663A (en) * | 2015-12-31 | 2016-04-06 | 辽宁鑫众科技股份有限公司 | Cutting part of inner spraying type heading machine |
| WO2017204665A1 (en) * | 2016-05-23 | 2017-11-30 | Bumech S.A. | Roadheader ripping head with a cooling duct |
| CN108691543A (en) * | 2018-07-13 | 2018-10-23 | 中国煤炭科工集团太原研究院有限公司 | A kind of cutting inner sprayer unit of continuous miner |
| CN209603994U (en) * | 2019-01-28 | 2019-11-08 | 黄山市徽州安华工程机械有限公司 | Atomizing de-dusting cutterhead |
-
2019
- 2019-01-28 CN CN201910078884.5A patent/CN109779629B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59206594A (en) * | 1983-04-11 | 1984-11-22 | フオエスト−アルピネ・アクチエンゲゼルシヤフト | Method and apparatus for spraying compressed fluid to bit and/or local wall |
| EP0196336A1 (en) * | 1984-12-07 | 1986-10-08 | Schneider Werk St. Wendel | Controlled segment spraying of shearer drums and shearer heads in mining and tunnelling |
| DE3631202A1 (en) * | 1986-05-21 | 1987-11-26 | Atlas Copco Eickhoff Road | Control means for the admission of pressure fluid to the nozzles or nozzle groups, in engagement with the mineral, of the cutting drum of a selective-cut heading machine or a shearer loader |
| DE4227584A1 (en) * | 1992-08-20 | 1994-02-24 | Freier Fritz Fa | Cutter-head for rock- or coal-mining - has plungers in circle in blind holes connected to coolant supply forming seal between stationary and rotary halves |
| CN101086207A (en) * | 2006-06-09 | 2007-12-12 | 三一重型装备有限公司 | External tunneling machine cutting part cutting head for sealing water |
| CN101235718A (en) * | 2007-12-21 | 2008-08-06 | 沈阳矿山机械（集团）有限责任公司 | External type water channel inner sprayer unit |
| CN201149080Y (en) * | 2007-12-28 | 2008-11-12 | 三一重型装备有限公司 | Rotary sealing device with water seal at exterior |
| CN101967972A (en) * | 2010-09-28 | 2011-02-09 | 三一重型装备有限公司 | Mining equipment and spraying system thereof |
| CN105464663A (en) * | 2015-12-31 | 2016-04-06 | 辽宁鑫众科技股份有限公司 | Cutting part of inner spraying type heading machine |
| WO2017204665A1 (en) * | 2016-05-23 | 2017-11-30 | Bumech S.A. | Roadheader ripping head with a cooling duct |
| CN108691543A (en) * | 2018-07-13 | 2018-10-23 | 中国煤炭科工集团太原研究院有限公司 | A kind of cutting inner sprayer unit of continuous miner |
| CN209603994U (en) * | 2019-01-28 | 2019-11-08 | 黄山市徽州安华工程机械有限公司 | Atomizing de-dusting cutterhead |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109779629A (en) | 2019-05-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209942816U (en) | Spraying dust-settling system of tunneling machine | |
| US4470636A (en) | Mining machine excavator drum having liquid spray control | |
| CN201149080Y (en) | Rotary sealing device with water seal at exterior | |
| CN104153773B (en) | High-power cantilever type cutting device of coal mining machine for thin coal seam | |
| US3374033A (en) | Cutter head having fluid supply means | |
| US20210231013A1 (en) | Hard rock roadway and tunnel boring machine with actively rotating hobs | |
| CN109779629B (en) | Spray dust-fall cutting head | |
| US3005627A (en) | Tunneling machine having suction exhaust means | |
| CN206111193U (en) | Valve formula ordinary pressure trades cutter device | |
| CN105422109B (en) | Planetary shield multitool disk drive device | |
| CN108979652B (en) | Cutter head structure for reducing probability of mud cake formation of cutter head | |
| CN109681202A (en) | The spray dust-reducing system of development machine | |
| CN209603994U (en) | Atomizing de-dusting cutterhead | |
| CN207813621U (en) | Hard rock tunnel development machine | |
| CN202954818U (en) | Cutting portion internal spraying device of coal cutter | |
| CN207554054U (en) | A kind of shield machine rotary slag discharge device | |
| CN205858338U (en) | A kind of cutting means for coal-winning machine | |
| CN202832530U (en) | Heading machine and cutting portion thereof | |
| CN104453888B (en) | Cutting mechanism and development machine | |
| US2850272A (en) | Rotary boring head having rotary cutter wheels | |
| TWI683056B (en) | A shield screw conveyor and shield machine | |
| CN210264699U (en) | Shield construction device with variable diameter | |
| CN111396045A (en) | Spraying structure in cutting part of heading machine | |
| CN111608677A (en) | Novel dual-mode TBM and control method thereof | |
| CN101463723B (en) | Water supply mechanism for cutter head shaft of development machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |