WO2014139339A1 - 掘进机高压水射流辅助截割机构 - Google Patents
掘进机高压水射流辅助截割机构 Download PDFInfo
- Publication number
- WO2014139339A1 WO2014139339A1 PCT/CN2014/071066 CN2014071066W WO2014139339A1 WO 2014139339 A1 WO2014139339 A1 WO 2014139339A1 CN 2014071066 W CN2014071066 W CN 2014071066W WO 2014139339 A1 WO2014139339 A1 WO 2014139339A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pressure water
- spray
- cutting head
- shaft
- cutting
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 127
- 238000005520 cutting process Methods 0.000 title claims abstract description 66
- 239000007921 spray Substances 0.000 claims abstract description 57
- 238000003466 welding Methods 0.000 claims abstract description 23
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 21
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 239000003595 mist Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 8
- 239000000428 dust Substances 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 6
- 238000005192 partition Methods 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C45/00—Methods of hydraulic mining; Hydraulic monitors
- E21C45/02—Means for generating pulsating fluid jets
- E21C45/04—Means for generating pulsating fluid jets by use of highly pressurised liquid
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/24—Mineral freed by means not involving slitting by milling means acting on the full working face, i.e. the rotary axis of the tool carrier being substantially parallel to the working face
Definitions
- the present invention relates to a cutting mechanism which is a main component that matches a roadheader in a coal mine, mine and tunnel engineering equipment, and introduces a high pressure water jet as an auxiliary cutting.
- the object of the present invention is to provide a high-pressure water jet-assisted cutting mechanism with high work efficiency, low working dust, and high tool cutting life for the problems existing in the prior art.
- the present invention adopts the following technical solutions:
- a high-pressure water jet auxiliary cutting mechanism for a roadheader comprising a driving device, a speed reducer, a cutting arm, a cutting head and an inner spray, a high-pressure water conveying system, wherein
- the driving device comprises a motor, a connecting frame and an output shaft I, the motor is arranged on the connecting frame, and one end of the output shaft I is coupled to the rotating shaft of the motor;
- the speed reducer includes a reducer housing, a coupling sleeve, a sun shaft I, a first stage carrier, a sun shaft II, a second stage carrier and an output shaft II, and one end of the reducer housing and the connecting frame are fixed, The two ends of the sleeve are respectively coupled to the other end of the output shaft I and the sun axis I, and the sun axis I is sequentially coupled to one end of the output shaft II through the first stage planet carrier, the sun axis II and the second stage planet carrier;
- the cutting arm comprises a main shaft, a housing and a connecting flange, one end of the housing is fixed to the other end of the reducer housing, and the connecting flange is rotatably sleeved on the other end of the housing, and one end of the main shaft is coupled and output The other end of the shaft II;
- the cutting head comprises a hydraulic pick assembly, a nozzle and a cutting head welding assembly, the tail end of the cutting head welding assembly is fixed to the connecting flange, and the other end of the cutting head welding assembly is coupled to the other end of the main shaft , the hydraulic pick assembly, the nozzle is disposed on the outer surface of the front end of the cutting head welding assembly;
- the internal spray, high pressure water delivery system includes a spray water input flow path, a high pressure water input flow path, a spray water path, a high pressure water pipe, a spray water output flow path, a high pressure water output flow path, a mist liquid chamber, and a high pressure water chamber,
- the spray water input flow path, the spray water path, the spray water output flow path, the mist liquid chamber and the nozzle are sequentially connected, and the high pressure water input flow path, the high pressure water pipe, the high pressure water output flow path, the high pressure water chamber and the hydraulic pick assembly are sequentially connected.
- the spray water input flow passage is disposed on the casing, and the high pressure water input flow passage is disposed on the connecting frame, the connecting frame, the output shaft I, the sun shaft I, the sun shaft II, and the output shaft II.
- a central hole is formed in the welding assembly of the main shaft and the cutting head, and a high-pressure water pipe is disposed in the center hole, and a gap between the central hole of the main shaft and the cutting head welding assembly and the high-pressure water pipe forms a spray water path, and the spray water output flow
- the channel, the high pressure water output flow path, the mist liquid chamber and the high pressure water chamber are disposed on the cutting head welding assembly.
- the motor includes a motor I and a motor II, and the motor I and the motor II are symmetrically disposed on both sides of the connecting frame.
- an end seal is provided between the main shaft and the output shaft II.
- a separation seal is provided between the spray water path and the high pressure water output flow path.
- the invention introduces high-pressure water on the basis of retaining the internal spray system, has reasonable arrangement and compact structure, and achieves the purpose of high work efficiency, less working dust and high cutting life of the cutter.
- Figure 1 is a cross-sectional view of the high-pressure water jet auxiliary cutting mechanism of the roadheader of the present invention
- Figure 2 is a cross-sectional view of the inner spray, high pressure water delivery system.
- drive unit 1-1, motor I, 1-2, motor II, 1-3, connecting frame, 1-4, output shaft I, 2, reducer, 2-1, coupling sleeve, 2-2, Sun Axis I, 2-3, Sun Axis II, 2-4, Output Axis II, 3, Cutting Arm, 3-1, Spindle, 3-2, Housing, 3-3, Connecting Flange , 4-cutting head, 4-1, hydraulic pick assembly, 4-2, nozzle, 4-3, cutting head welding assembly, 5, internal spray, high pressure water delivery system, 5-1, spray water input Flow path, 5-2, high pressure water input flow path, 5-3, spray water path, 5-4, high pressure water pipe, 5-5, spray water output flow path, 5-6, high pressure water output flow path, 5-7 , mist chamber, 5-8, high pressure water chamber, 5-9, end seal, 5-10, separate seal.
- the high-pressure water jet auxiliary cutting mechanism of the roadheader of the present invention comprises a driving device 1, a speed reducer 2, a cutting arm 3, a cutting head 4, and an internal spray, high-pressure water delivery system 5.
- the drive unit 1 includes a motor I 1-1, a motor II 1-2, a connecting frame 1-3, and an output shaft I 1-4.
- the motor I 1-1 and the motor II 1-2 are symmetrically disposed on both sides of the connecting frame 1-3, the output shaft I 1-4 is disposed in the middle of the connecting frame 1-3, and one end of the output shaft I 1-4 is respectively passed through the gear
- the rotation axes of the motor I 1-1 and the motor II 1-2 are coupled.
- the reducer 2 is a two-stage planetary reducer comprising a reducer housing, a coupling sleeve 2-1, a sun shaft 1 2-2, a first stage carrier, a sun shaft II 2-3, a second stage planet carrier and an output. Axis II 2-4. One end of the reducer housing and the connecting bracket 1-3 are bolted.
- the two ends of the coupling sleeve 2-1 are respectively coupled to the other end of the output shaft I 1-4 and the sun shaft I 2-2 by the involute spline, and the sun shaft I 2-2 is coupled to the first stage planet carrier through the gear,
- the first-stage planet carrier is coupled to the sun shaft 112-3 by an involute spline
- the sun shaft II 2-3 is coupled to the second-stage planet carrier via a gear
- the second-stage planet carrier is coupled to the output shaft II through an involute spline.
- the cutting arm 3 comprises a main shaft 3-1, a housing 3-2 and a connecting flange 3-3.
- One end of the housing 3-2 is fixed to the other end of the reducer housing by a bolt, and the connecting flange 3-3 is rotatably sleeved at the other end of the housing 3-2, and one end of the main shaft 3-1 is passed through the involute The key is coupled to the other end of the output shaft II 2-4.
- the cutting head 4 includes a hydraulic pick assembly 4-1, a nozzle 4-2, and a cutting head welding assembly 4-3.
- the end of the cutting head welding assembly 4-3 and the connecting flange 3-3 are fixed by bolts, and the middle of the cutting head welding assembly 4-3 is coupled to the other end of the main shaft 3-1 by an involute spline, hydraulic
- the pick assembly 4-1, the nozzle 4-2 is disposed on the front outer surface of the cutting head welding assembly 4-3.
- the internal spray, high pressure water delivery system 5 includes a spray water input flow path 5-1, a high pressure water input flow path 5-2, a spray water path 5-3, a high pressure water pipe 5-4, a spray water output flow path 5-5, and high pressure water.
- the spray water input flow path 5-1 is disposed on the casing 3-2, and the high pressure water input flow path 5-2 is disposed on the connecting frame 1-3, the connecting frame 1-3, the output shaft I 1-4, and the sun shaft I 2-2, the sun shaft II 2-3, the output shaft II 2-4, the main shaft 3_1 and the cutting head welding assembly 4-3 have a central hole, and the high pressure water pipe 5-4 is disposed in the center hole, the main shaft 3- 1 and the gap between the center hole on the cutting head welding assembly 4-3 and the high pressure water pipe 5-4 forms a spray water path 5-3, a spray water output flow path 5-5, a high pressure water output flow path 5-6,
- the mist chamber 5-7 and the high pressure water chamber 5-8 are disposed on the cutting head welding assembly 4_3, and the mist chamber 5-7 and the high pressure water chamber 5-8 are separated by a partition.
- Spray water input flow path 5-1, spray water path 5-3, spray water output flow path 5-5, mist liquid chamber 5-7 and nozzle 4-2 are sequentially connected to form an internal spray system.
- High-pressure water input flow path 5-2, high-pressure water pipe 5-4, high-pressure water output flow path 5-6, high-pressure water chamber 5-8 and hydraulic pick-up assembly 4-1 are connected in sequence to form a high-pressure water jet system.
- an end seal 5-9 is added between the main shaft 3-1 and the output shaft 2-4, and in order to prevent the high pressure water from flowing toward the mist chamber 5-7, A partition seal 5-10 is provided between the spray water path 5-3 and the high pressure water output flow path 5-6 and at the partition between the mist liquid chamber 5-7 and the high pressure water chamber 5-8.
- the motor I 1-1 and the motor II 1-2 on the driving device 1 simultaneously transmit the power to the output shaft I 1-4, and then transmit the power to the cutting arm main shaft 3-1 through the two-stage planetary mechanism, which drives The entire cutting head 4 is rotated and cut; at the same time, the inner spray water and the high pressure water are separately injected into the spray water input flow path 5-1 and the high pressure water input flow path 5-2, and the spray water path 5-3 and the high pressure water pipe are passed.
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)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2014231578A AU2014231578B8 (en) | 2013-03-11 | 2014-01-22 | High-pressure water jet assisted cutting mechanism for heading machine |
DE112014000088.4T DE112014000088B4 (de) | 2013-03-11 | 2014-01-22 | Hochdruckwasserstrahlunterstützter Schneidmechanismus für eine Vortriebsmaschine |
ZA2014/07047A ZA201407047B (en) | 2013-03-11 | 2014-09-29 | High-pressure water jet assisted cutting mechanism for heading machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310076719.9A CN103195429B (zh) | 2013-03-11 | 2013-03-11 | 掘进机高压水射流辅助截割机构 |
CN201310076719.9 | 2013-03-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014139339A1 true WO2014139339A1 (zh) | 2014-09-18 |
Family
ID=48718228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2014/071066 WO2014139339A1 (zh) | 2013-03-11 | 2014-01-22 | 掘进机高压水射流辅助截割机构 |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN103195429B (zh) |
DE (1) | DE112014000088B4 (zh) |
WO (1) | WO2014139339A1 (zh) |
ZA (1) | ZA201407047B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105019898A (zh) * | 2015-08-11 | 2015-11-04 | 东南大学 | 高压水射流掘进装置 |
CN110374593A (zh) * | 2019-08-29 | 2019-10-25 | 三一重型装备有限公司 | 掘进机内喷雾给水系统及掘进机 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103195429B (zh) * | 2013-03-11 | 2014-12-10 | 中国矿业大学 | 掘进机高压水射流辅助截割机构 |
CN103821511B (zh) * | 2014-02-17 | 2016-08-17 | 中国矿业大学 | 一种掘进机高压水射流辅助截割头 |
CN104018838B (zh) * | 2014-06-21 | 2015-11-11 | 吉林大学 | 一种用于钻孔水力开采的电控单动伸缩钻具 |
CN105156107B (zh) * | 2015-07-06 | 2017-05-17 | 中国矿业大学 | 一种超高压旋转脉冲水射流破岩机构 |
CN105041309A (zh) * | 2015-08-05 | 2015-11-11 | 中国矿业大学 | 一种前混合磨料水射流联合截齿式采煤机滚筒 |
CN106194176B (zh) * | 2016-08-31 | 2018-03-02 | 徐州徐工基础工程机械有限公司 | 一种用于掘进机的外置水路装置 |
CN106640085B (zh) * | 2017-02-07 | 2018-07-27 | 丰宁金龙黄金工业有限公司 | 一种矿业开采用可挖槽的高压水枪 |
CN111828000A (zh) * | 2020-07-23 | 2020-10-27 | 中国矿业大学 | 一种掘进机水射流冲击加截齿复合动力破岩截割机构 |
CN113464577B (zh) * | 2021-05-10 | 2022-07-15 | 凯盛重工有限公司 | 一种掘进机工作臂用可调偏传动系统 |
CN113266351B (zh) * | 2021-06-24 | 2022-08-16 | 中国铁建重工集团股份有限公司 | 一种水射流辅助掘锚机及掘进方法 |
CN114151082B (zh) * | 2021-10-27 | 2023-12-12 | 中国矿业大学 | 一种自动高压射流辅助破岩及泡沫灭尘截齿装置 |
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EP0187872A1 (de) * | 1984-11-20 | 1986-07-23 | Scheider Werk St. Wendel | Wasserzuführung, vornehmlich bei Streckenvortriebsmaschinen |
CN201050371Y (zh) * | 2007-07-15 | 2008-04-23 | 佳木斯煤矿机械有限公司 | 掘进机内喷雾给水装置 |
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2013
- 2013-03-11 CN CN201310076719.9A patent/CN103195429B/zh active Active
-
2014
- 2014-01-22 DE DE112014000088.4T patent/DE112014000088B4/de not_active Expired - Fee Related
- 2014-01-22 WO PCT/CN2014/071066 patent/WO2014139339A1/zh active Application Filing
- 2014-09-29 ZA ZA2014/07047A patent/ZA201407047B/en unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0187872A1 (de) * | 1984-11-20 | 1986-07-23 | Scheider Werk St. Wendel | Wasserzuführung, vornehmlich bei Streckenvortriebsmaschinen |
CN201050371Y (zh) * | 2007-07-15 | 2008-04-23 | 佳木斯煤矿机械有限公司 | 掘进机内喷雾给水装置 |
CN102345459A (zh) * | 2010-07-30 | 2012-02-08 | 三一重型装备有限公司 | 一种掘进机截割机构 |
CN102373924A (zh) * | 2011-09-22 | 2012-03-14 | 三一重型装备有限公司 | 一种掘进机及其截割部 |
CN102383799A (zh) * | 2011-10-14 | 2012-03-21 | 沈阳矿山机械有限公司 | 一种耐高压无内泄的掘进机切割装置 |
CN102635355A (zh) * | 2012-05-08 | 2012-08-15 | 中传重型装备有限公司 | 掘进机截割部 |
CN103195429A (zh) * | 2013-03-11 | 2013-07-10 | 中国矿业大学 | 掘进机高压水射流辅助截割机构 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105019898A (zh) * | 2015-08-11 | 2015-11-04 | 东南大学 | 高压水射流掘进装置 |
CN105019898B (zh) * | 2015-08-11 | 2017-03-01 | 东南大学 | 高压水射流掘进装置 |
CN110374593A (zh) * | 2019-08-29 | 2019-10-25 | 三一重型装备有限公司 | 掘进机内喷雾给水系统及掘进机 |
Also Published As
Publication number | Publication date |
---|---|
AU2014231578A1 (en) | 2014-11-27 |
DE112014000088B4 (de) | 2016-12-15 |
ZA201407047B (en) | 2016-07-27 |
DE112014000088T5 (de) | 2015-01-22 |
CN103195429B (zh) | 2014-12-10 |
CN103195429A (zh) | 2013-07-10 |
AU2014231578B2 (en) | 2016-03-17 |
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