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CN103939108A - Cutting part of hard rock tunnel boring machine - Google Patents

Cutting part of hard rock tunnel boring machine Download PDF

Info

Publication number
CN103939108A
CN103939108A CN201410197142.1A CN201410197142A CN103939108A CN 103939108 A CN103939108 A CN 103939108A CN 201410197142 A CN201410197142 A CN 201410197142A CN 103939108 A CN103939108 A CN 103939108A
Authority
CN
China
Prior art keywords
cutting
cutterhead
hard rock
cut
cutter
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.)
Granted
Application number
CN201410197142.1A
Other languages
Chinese (zh)
Other versions
CN103939108B (en
Inventor
刘送永
刘晓辉
杜长龙
崔新霞
刘增辉
江红祥
高魁东
沈刚
唐玮
徐海乔
陈隆飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Large Mine Safety Technology Of Xuzhou Chats And Equipment Research And Development Centre
China University of Mining and Technology CUMT
Original Assignee
China University of Mining and Technology CUMT
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China University of Mining and Technology CUMT filed Critical China University of Mining and Technology CUMT
Priority to CN201410197142.1A priority Critical patent/CN103939108B/en
Publication of CN103939108A publication Critical patent/CN103939108A/en
Priority to RU2016116862A priority patent/RU2632833C1/en
Priority to DE112015000073.9T priority patent/DE112015000073B4/en
Priority to PCT/CN2015/077613 priority patent/WO2015169160A1/en
Application granted granted Critical
Publication of CN103939108B publication Critical patent/CN103939108B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C31/00Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
    • E21C31/02Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C25/00Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/06Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C25/00Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/02Machines slitting solely by one or more percussive tools moved through the seam
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/02Driving inclined tunnels or galleries

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)
  • Environmental & Geological Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses a cutting part of a hard rock tunnel boring machine. The cutting part comprises a cutting speed reducer, a cutting arm and a cutting head. The cutting part is characterized in that the cutting arm is fixed to and connected with the cutting speed reducer through bolts, a main shaft of the cutting arm is connected with an output shaft of the speed reducer through a spline, the cutting head comprises a cutting head main shaft, a planet gear assembly, an annular gear, a bearing pedestal, a rotating seal, a sealing cover, a cutting head shell, a cutting disc, cutting teeth, a cutting planet carrier and a diversion cone tooth assembly. The cutting part of the hard rock tunnel boring machine has the advantages that the cutting part is high in cutting efficiency, high in reliability, compact in structure and small in size, and the hardness range of rock stratums which can be cut is wide; the tunnel boring work efficiency of the hard rock tunnel boring machine is greatly improved, labor intensity of workers is greatly lowered, and safe and efficient production of coal mine is achieved.

Description

Hard rock mole cutting units
Technical field
The present invention relates to hard rock driving technology field, particularly relate to the hard rock mole cutting units of a kind of formation hardness (f10) total rock section.
Background technology
Along with the construction of the large quantities of ten-million-ton scale Modern Pits of China, the particularly developing of stone head in new well construction, increases year by year to the demand of total rock development machine.Development machine is the key equipment of modern mine working speedy drivage, along with seam mining, hardness rock out task is more and more, and hard rock mole condition of work is severe, cutting mechanism is the core component of hard rock mole, and its performance quality directly has influence on structural strength and the application life of development machine.Present stage, development machine occurs the failure of hard rock cut in the time of driving hard rock, or pick serious wear, cutting mechanism is subject to fierce impact, and the reliability of development machine is seriously reduced, need workman frequently to change pick and associated components, seriously restricting the available machine time of development machine, stone drifting efficiency is seriously reduced, contradicting with the requirement of tunnel speedy drivage, workman's working strength improves greatly simultaneously, is difficult to ensure the safe and efficient production in colliery.Therefore, need to carry out in a hurry the research to hard rock mole, particularly develop a kind of novel, efficient cutting part of heading machine.
Summary of the invention
Technical problem: the object of the invention is for the problem existing in prior art, a kind of compact conformation is provided, reduces the total rock section hard rock tunneling machine cutting units that pick weares and teares, increases work efficiency, reliability is high.
Technical scheme: hard rock mole cutting units of the present invention, comprise cut reductor, the cutting arm being connected with cut reductor, be located at the cutterhead on cutting arm, described cutterhead comprises cutterhead main shaft, planetary wheeling assembly, ring gear, bearing support, seal cover, cutterhead housing, cutting disc, pick, cut planet carrier, spreader tooth assembly, described ring gear and bearing support are bolted and are connected on cutting arm housing, planetary wheeling assembly is arranged on cut planet carrier, between cut planet carrier and bearing support, rotatory sealing is installed, seal cover is fixed by screws on cut planet carrier, spreader tooth assembly is arranged on cut planet carrier, cutterhead housing is bolted on cut planet carrier, cutting disc is arranged on cutterhead housing inclined-plane, pick is welded on cutterhead housing front end, spreader tooth assembly engages with cutterhead main shaft.
The number of described cutting disc is 4-6; Described cutting disc comprises hobboing cutter, cutter shaft, hob plate, end cover, cutter axis, bevel gear, dust cap, hobboing cutter is arranged on cutter shaft, cutter shaft screw thread is fixed on hob plate, hob plate is fixed on cutter axis by dust cap, cutter axis is arranged on cutterhead housing by bearing, end cover is located on cutterhead housing, be arranged on and in end cover, be provided with lip-type packing, cutter axis and bevel gear splined, bevel gear is meshed with spreader tooth assembly and realizes rotation and the revolution of cutting disc; The sword face of described hobboing cutter and hob plate is coated with carbide alloy.
Beneficial effect: owing to having adopted technique scheme, the present invention contacts traditional single pick and is transformed into hobboing cutter and contacts with the line of hob plate with the point of hard rock, both fully applied the sword of cutter, reduce again the stressed of cutter, realize the effective fragmentation to hard rock, the wearing and tearing of cutter reduce greatly, and the pick of cutterhead end makes full use of the crackle producing when cutting disc is worked, hard rock is carried out to fragmentation, and be unlikely to produce larger stressed, reduce the wearing and tearing of the pick of cutterhead end, therefore to have its cutting efficiency high for this hard rock mole cutting units, rock stratum hardness range that can cut is wide, reliability is high, compact conformation, the feature that volume is little, increase substantially the headwork efficiency of hard rock mole, greatly reduce workman's working strength.
Brief description of the drawings
Fig. 1 is hard rock mole cutting units sectional view of the present invention;
Fig. 2 is cutterhead sectional view of the present invention;
Fig. 3 is cutting disc sectional view of the present invention.
In figure: 1, cut reductor; 2, cutting arm; 3, cutterhead; 3-1, cutterhead main shaft; 3-2, planetary wheeling assembly; 3-3, ring gear; 3-4, bearing support; 3-5, rotatory sealing; 3-6, seal cover; 3-7, cutterhead housing; 3-8, cut; 3-9, pick; 3-10, cut planet carrier; 3-11, spreader tooth assembly; 3-8-1, hobboing cutter; 3-8-2, cutter shaft; 3-8-3, hob plate; 3-8-4, end cover; 3-8-5, lip-type packing; 3-8-6, cutter axis; 3-8-7, bevel gear; 3-8-8, dust cap.
Detailed description of the invention:
Below in conjunction with accompanying drawing, one embodiment of the present of invention are further described:
As shown in Figure 1, hard rock mole cutting units of the present invention, mainly formed by cut reductor 1, cutting arm 2 and cutterhead 3, described cutting arm 2 is bolted and connects with cut reductor 1, cutting arm main shaft and reducer output shaft are by splined, and cutterhead main shaft 3-1 and cutting arm main shaft pass through splined.
As shown in Figure 2, described cutterhead 3 comprises cutterhead main shaft 3-1, planetary wheeling assembly 3-2, ring gear 3-3, bearing support 3-4, rotatory sealing 3-5, seal cover 3-6, cutterhead housing 3-7, cutting disc 3-8, pick 3-9, cut planet carrier 3-10, spreader tooth assembly 3-11, ring gear 3-3 and bearing support 3-4 are bolted and are connected on cutting arm housing, planetary wheeling assembly 3-2 is arranged on cut planet carrier 3-10, between cut planet carrier 3-10 and bearing support 3-4, rotatory sealing 3-5 is installed, seal cover 3-6 is fixed by screws in cut planet carrier 3-10, spreader tooth assembly 3-11 is arranged on cut planet carrier 3-10, cutterhead housing 3-7 is bolted on cut planet carrier 3-10, cutting disc 3-8 is arranged on cutterhead housing 3-7 inclined-plane, pick 3-9 is welded on cutterhead housing 3-7 front end, spreader tooth assembly 3-11 engages with cutterhead main shaft 3-1.
As shown in Figure 3, described cutting disc 3-8 comprises hobboing cutter 3-8-1, cutter shaft 3-8-2, hob plate 3-8-3, end cover 3-8-4, lip-type packing 3-8-5, cutter axis 3-8-6, bevel gear 3-8-7, dust cap 3-8-8, hobboing cutter 3-8-1 is arranged on cutter shaft 3-8-2, cutter shaft 3-8-2 screw thread is fixed on hob plate 3-8-3, hob plate 3-8-3 is fixed on cutter axis 3-8-6 by dust cap 3-8-8, cutter axis 3-8-6 is arranged on cutterhead housing 3-7 by bearing, end cover 3-8-4 is fixed by screws on cutterhead housing 3-7, lip-type packing 3-8-5 is arranged on end cover 3-8-4, cutter axis 3-8-6 and bevel gear 3-8-7 pass through splined, bevel gear 3-8-7 engages with spreader tooth assembly 3-11, to realize rotation and the revolution of cutting disc 3-8.
Operating principle: motor passes to by cut reductor 1 power cutterhead main shaft 3-1 after cutting arm main shaft, again power is passed to cutterhead planetary gear speed reducing mechanism and spreader tooth assembly 3-11 by cutterhead main shaft 3-1, the cutterhead housing 3-7 that makes to be fixed on cut planet carrier 3-10 rotates, spreader tooth assembly 3-11 drives cutting disc 3-8 to rotate simultaneously, realizes rotation and the revolution of cutting disc 3-8.Have that cutting efficiency rock stratum hardness range high, can cut is wide, reliability is high, compact conformation, feature that volume is little, increase substantially the headwork efficiency of hard rock mole, greatly reduce workman's working strength.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (4)

1. a hard rock mole cutting units, comprise cut reductor (1), the cutting arm (2) being connected with cut reductor (1), be located at the cutterhead (3) on cutting arm (2), it is characterized in that: described cutterhead (3) comprises cutterhead main shaft (3-1), planetary wheeling assembly (3-2), ring gear (3-3), bearing support (3-4), seal cover (3-6), cutterhead housing (3-7), cutting disc (3-8), pick (3-9), cut planet carrier (3-10), spreader tooth assembly (3-11), described ring gear (3-3) and bearing support (3-4) are bolted and are connected on cutting arm housing, planetary wheeling assembly (3-2) is arranged on cut planet carrier (3-10), between cut planet carrier (3-10) and bearing support (3-4), rotatory sealing (3-5) is installed, seal cover (3-6) is fixed by screws on cut planet carrier (3-10), spreader tooth assembly (3-11) is arranged on cut planet carrier (3-10), cutterhead housing (3-7) is bolted on cut planet carrier (3-10), cutting disc (3-8) is arranged on cutterhead housing (3-7) inclined-plane, pick (3-9) is welded on cutterhead housing (3-7) front end, spreader tooth assembly (3-11) engages with cutterhead main shaft (3-1).
2. hard rock mole cutting units according to claim 1, is characterized in that: the number of described cutting disc (3-8) is 4-6.
3. hard rock mole cutting units according to claim 1 and 2, it is characterized in that: described cutting disc (3-8) comprises hobboing cutter (3-8-1), cutter shaft (3-8-2), hob plate (3-8-3), end cover (3-8-4), cutter axis (3-8-6), bevel gear (3-8-7), dust cap (3-8-8), hobboing cutter (3-8-1) is arranged on cutter shaft (3-8-2), cutter shaft (3-8-2) screw thread is fixed on hob plate (3-8-3), hob plate (3-8-3) is fixed on cutter axis (3-8-6) by dust cap (3-8-8), cutter axis (3-8-6) is arranged on cutterhead housing (3-7) by bearing, end cover (3-8-4) is located on cutterhead housing (3-7), be arranged on and in end cover (3-8-4), be provided with lip-type packing (3-8-5), cutter axis (3-8-6) and bevel gear (3-8-7) splined, bevel gear (3-8-7) is meshed with spreader tooth assembly (3-11), realize rotation and the revolution of cutting disc (3-8).
4. hard rock mole cutting units according to claim 3, is characterized in that: described hobboing cutter (3-8-1) and the sword face of hob plate (3-8-3) are coated with carbide alloy.
CN201410197142.1A 2014-05-09 2014-05-09 Cutting part of hard rock heading machine Expired - Fee Related CN103939108B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201410197142.1A CN103939108B (en) 2014-05-09 2014-05-09 Cutting part of hard rock heading machine
RU2016116862A RU2632833C1 (en) 2014-05-09 2015-04-28 Cutting module of tunnel boring machine for solid rock
DE112015000073.9T DE112015000073B4 (en) 2014-05-09 2015-04-28 Cutting unit for a hard rock tunnel boring machine
PCT/CN2015/077613 WO2015169160A1 (en) 2014-05-09 2015-04-28 Cutting unit for hard rock tunnelling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410197142.1A CN103939108B (en) 2014-05-09 2014-05-09 Cutting part of hard rock heading machine

Publications (2)

Publication Number Publication Date
CN103939108A true CN103939108A (en) 2014-07-23
CN103939108B CN103939108B (en) 2016-01-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410197142.1A Expired - Fee Related CN103939108B (en) 2014-05-09 2014-05-09 Cutting part of hard rock heading machine

Country Status (4)

Country Link
CN (1) CN103939108B (en)
DE (1) DE112015000073B4 (en)
RU (1) RU2632833C1 (en)
WO (1) WO2015169160A1 (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015169160A1 (en) * 2014-05-09 2015-11-12 刘送永 Cutting unit for hard rock tunnelling machine
CN105178955A (en) * 2015-08-31 2015-12-23 中国矿业大学 Hob type cutting head
CN105178977A (en) * 2015-08-31 2015-12-23 中国矿业大学 Cutting part of heading machine
CN106014435A (en) * 2016-07-27 2016-10-12 山西天巨重工机械有限公司 Efficient rapid rock drift tunneller
CN106150492A (en) * 2016-08-05 2016-11-23 辽宁工程技术大学 Cutting mechanism for heading machine with double cutterheads
CN106703799A (en) * 2016-11-17 2017-05-24 辽宁工程技术大学 Radial and telescopic cutting head of heading machine
CN109555530A (en) * 2018-12-12 2019-04-02 中铁工程装备集团隧道设备制造有限公司 A kind of mine heavy roadheader cutterhead connection structure and development machine
CN109763817A (en) * 2019-02-28 2019-05-17 辽宁工程技术大学 A kind of variable transversal away from cutting head of roadheader
CN109915162A (en) * 2019-03-09 2019-06-21 上海创力集团股份有限公司 A kind of hard rock cutting means
CN110159293A (en) * 2019-06-05 2019-08-23 辽宁工程技术大学 A kind of brill milling formula tunneling machine cutting experiment mechanism
CN110242293A (en) * 2019-06-21 2019-09-17 辽宁工程技术大学 A kind of rotary digging formula Coal cutter
CN110486030A (en) * 2019-08-16 2019-11-22 中铁工程装备集团隧道设备制造有限公司 The cutting units of cutting hard rock and the cutting equipment of packaged type cutting section
CN111550242A (en) * 2020-06-08 2020-08-18 天地科技股份有限公司上海分公司 Mining machine cutting arm suitable for thin seam mining
CN113464577A (en) * 2021-05-10 2021-10-01 凯盛重工有限公司 Adjustable eccentric transmission system for working arm of heading machine

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CN109048721B (en) * 2018-10-17 2024-03-01 辽宁工程技术大学 Cutting head pick positioner of heading machine
CN109098709B (en) * 2018-10-29 2024-02-13 三一重型装备有限公司 Cutting head system of telescopic heading machine and heading machine
DE102018131638A1 (en) * 2018-12-10 2020-06-10 Zollern Gmbh & Co. Kg Motor-gear unit, in particular for a tunnel boring machine or for driving a ring gear
CN110439587B (en) * 2019-09-06 2024-02-13 三一重型装备有限公司 Cutting part and heading machine
CN110500091A (en) * 2019-09-29 2019-11-26 三一重型装备有限公司 Development machine
CN110795804A (en) * 2019-11-19 2020-02-14 山西大学 Analysis method and device for dynamic load of cutting head of heading machine

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CN102536227A (en) * 2012-03-23 2012-07-04 中国矿业大学 Rotary-digging type coal mining machine and development machine cutting part

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CN2426014Y (en) * 2000-03-07 2001-04-04 西安科技学院 Torsion impact type vibration cutting mechamism
CN2561934Y (en) * 2002-07-25 2003-07-23 孙瑞吉 Universal rock cutter
CN102121382A (en) * 2010-12-06 2011-07-13 李仕清 Composite rotary cutting mining machine
CN102277886A (en) * 2011-05-11 2011-12-14 中国矿业大学 Tunnelling and excavating integrated machine cutting head
CN102536227A (en) * 2012-03-23 2012-07-04 中国矿业大学 Rotary-digging type coal mining machine and development machine cutting part

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015169160A1 (en) * 2014-05-09 2015-11-12 刘送永 Cutting unit for hard rock tunnelling machine
CN105178955A (en) * 2015-08-31 2015-12-23 中国矿业大学 Hob type cutting head
CN105178977A (en) * 2015-08-31 2015-12-23 中国矿业大学 Cutting part of heading machine
CN106014435A (en) * 2016-07-27 2016-10-12 山西天巨重工机械有限公司 Efficient rapid rock drift tunneller
CN106150492A (en) * 2016-08-05 2016-11-23 辽宁工程技术大学 Cutting mechanism for heading machine with double cutterheads
CN106703799A (en) * 2016-11-17 2017-05-24 辽宁工程技术大学 Radial and telescopic cutting head of heading machine
CN106703799B (en) * 2016-11-17 2018-08-14 辽宁工程技术大学 A kind of telescopic cutting head of roadheader of radial direction
CN109555530B (en) * 2018-12-12 2023-11-07 中铁工程装备集团隧道设备制造有限公司 Cutting head connecting structure of heavy tunneling machine and tunneling machine
CN109555530A (en) * 2018-12-12 2019-04-02 中铁工程装备集团隧道设备制造有限公司 A kind of mine heavy roadheader cutterhead connection structure and development machine
CN109763817A (en) * 2019-02-28 2019-05-17 辽宁工程技术大学 A kind of variable transversal away from cutting head of roadheader
CN109763817B (en) * 2019-02-28 2023-10-20 辽宁工程技术大学 Heading machine cutting head with changeable line cutting distance
CN109915162A (en) * 2019-03-09 2019-06-21 上海创力集团股份有限公司 A kind of hard rock cutting means
CN109915162B (en) * 2019-03-09 2024-06-04 上海创力集团股份有限公司 Hard rock cutting device
CN110159293A (en) * 2019-06-05 2019-08-23 辽宁工程技术大学 A kind of brill milling formula tunneling machine cutting experiment mechanism
CN110242293A (en) * 2019-06-21 2019-09-17 辽宁工程技术大学 A kind of rotary digging formula Coal cutter
CN110486030A (en) * 2019-08-16 2019-11-22 中铁工程装备集团隧道设备制造有限公司 The cutting units of cutting hard rock and the cutting equipment of packaged type cutting section
CN111550242A (en) * 2020-06-08 2020-08-18 天地科技股份有限公司上海分公司 Mining machine cutting arm suitable for thin seam mining
CN113464577A (en) * 2021-05-10 2021-10-01 凯盛重工有限公司 Adjustable eccentric transmission system for working arm of heading machine
CN113464577B (en) * 2021-05-10 2022-07-15 凯盛重工有限公司 Adjustable offset transmission system for working arm of heading machine

Also Published As

Publication number Publication date
WO2015169160A1 (en) 2015-11-12
CN103939108B (en) 2016-01-27
DE112015000073T5 (en) 2016-03-03
DE112015000073B4 (en) 2021-07-01
RU2632833C1 (en) 2017-10-10

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