CN103939108B - Cutting part of hard rock heading machine - Google Patents

Cutting part of hard rock heading machine Download PDF

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Publication number
CN103939108B
CN103939108B CN201410197142.1A CN201410197142A CN103939108B CN 103939108 B CN103939108 B CN 103939108B CN 201410197142 A CN201410197142 A CN 201410197142A CN 103939108 B CN103939108 B CN 103939108B
Authority
CN
China
Prior art keywords
cutting
cutterhead
planet carrier
cutter
cut
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.)
Expired - Fee Related
Application number
CN201410197142.1A
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Chinese (zh)
Other versions
CN103939108A (en
Inventor
刘送永
姬会福
刘晓辉
韩栋栋
崔新霞
江红祥
沈刚
唐玮
薛玉刚
杨善国
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
Xuzhou Zhongkuang Dakuangshan Safety Technology And Equipment Research And Development Center
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 Xuzhou Zhongkuang Dakuangshan Safety Technology And Equipment Research And Development Center, China University of Mining and Technology CUMT filed Critical Xuzhou Zhongkuang Dakuangshan Safety Technology And Equipment Research And Development Center
Priority to CN201410197142.1A priority Critical patent/CN103939108B/en
Publication of CN103939108A publication Critical patent/CN103939108A/en
Priority to PCT/CN2015/077613 priority patent/WO2015169160A1/en
Priority to DE112015000073.9T priority patent/DE112015000073B4/en
Priority to RU2016116862A priority patent/RU2632833C1/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

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
    • E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/02—Machines slitting solely by one or more percussive tools moved through the seam
    • 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
    • E21D9/02—Driving 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 heading machine, which comprises a cutting speed reducer, a cutting arm and a cutting head, and is characterized in that the cutting arm is fixedly connected with the cutting speed reducer through a bolt, and 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 planetary wheel assembly, an inner gear ring, a bearing seat, a rotary seal, a sealing cover, a cutting head shell, a cutting disk, a cutting pick, a cutting planet carrier and a shunting taper tooth assembly. The cutting part of the hard rock heading machine has the characteristics of high cutting efficiency, wide rock layer hardness range capable of cutting, high reliability, compact structure and small size, greatly improves the heading work efficiency of the hard rock heading machine, greatly reduces the working strength of workers, and realizes safe and efficient production of a coal mine.

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 Pit 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 gets 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 when tunneling hard rock, or pick serious wear, cutting mechanism is subject to fierce impact, and the reliability of development machine is seriously reduced, workman is needed frequently to change pick and associated components, seriously govern the available machine time of development machine, stone drifting efficiency is seriously reduced, contradicts with the requirement of tunnel speedy drivage, the working strength of workman improves greatly simultaneously, is difficult to the safe and efficient production ensureing colliery.Therefore, need the research carried out hard rock mole in a hurry, 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 Problems existing in prior art, provides a kind of compact conformation, 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 be 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 forward 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 in end cover and be provided with lip-type packing, cutter axis and bevel gear splined, bevel gear is meshed with spreader tooth assembly the rotation and revolution that realize cutting disc; The sword face of described hobboing cutter and hob plate is coated with carbide alloy.
Beneficial effect: owing to have employed technique scheme, the point cantact of traditional single pick and hard rock is transformed into the linear contact lay of hobboing cutter and hob plate by the present invention, both the sword of cutter had fully been applied, again reduce 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 produced when cutting disc works, fragmentation is carried out to hard rock, 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, can the rock stratum hardness range of cut wide, reliability is high, compact conformation, the feature that volume is little, increase substantially the headwork efficiency of hard rock mole, greatly reduce the working strength of workman.
Accompanying drawing explanation
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, cutting disc; 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, form primarily of cut reductor 1, cutting arm 2 and cutterhead 3, described cutting arm 2 is bolted with cut reductor 1 and connects, 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 is bolted and is connected on cutting arm housing, planetary wheeling assembly 3-2 is arranged on cut planet carrier 3-10, rotatory sealing 3-5 is installed between cut planet carrier 3-10 and bearing support 3-4, 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 passes 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: power is passed to cutterhead main shaft 3-1 by cut reductor 1 by motor after cutting arm main shaft, by cutterhead main shaft 3-1 again by power transmission to cutterhead planetary gear speed reducing mechanism and spreader tooth assembly 3-11, the cutterhead housing 3-7 be fixed on cut planet carrier 3-10 is rotated, spreader tooth assembly 3-11 drives cutting disc 3-8 to rotate simultaneously, realizes rotation and the revolution of cutting disc 3-8.Have cutting efficiency high, can the feature that rock stratum hardness range is wide, reliability is high, compact conformation, volume are little of cut, increase substantially the headwork efficiency of hard rock mole, greatly reduce the working strength of workman.
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 (2)

1. a hard rock mole cutting units, comprise cut reductor (1), the cutting arm (2) be 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), rotatory sealing (3-5) is installed between cut planet carrier (3-10) and bearing support (3-4), 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), the number of described cutting disc (3-8) is 4-6, 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),
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 in end cover (3-8-4) and 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).
2. hard rock mole cutting units according to claim 1, 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
PCT/CN2015/077613 WO2015169160A1 (en) 2014-05-09 2015-04-28 Cutting unit for hard rock tunnelling machine
DE112015000073.9T DE112015000073B4 (en) 2014-05-09 2015-04-28 Cutting unit for a hard rock tunnel boring machine
RU2016116862A RU2632833C1 (en) 2014-05-09 2015-04-28 Cutting module of tunnel boring machine for solid rock

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

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CN201410197142.1A Expired - Fee Related CN103939108B (en) 2014-05-09 2014-05-09 Cutting part of hard rock heading machine

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

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CN103939108B (en) * 2014-05-09 2016-01-27 中国矿业大学 Cutting part of hard rock heading machine
CN105178955B (en) * 2015-08-31 2017-04-19 中国矿业大学 Hob type cutting head
CN105178977B (en) * 2015-08-31 2018-03-06 中国矿业大学 A kind of cutting part of heading machine
CN106014435B (en) * 2016-07-27 2018-03-02 山西天巨重工机械有限公司 A kind of efficiently quick stone head development machine
CN106150492B (en) * 2016-08-05 2018-02-06 辽宁工程技术大学 Cutting mechanism for heading machine with double cutterheads
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
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
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
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
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
CN110242293A (en) * 2019-06-21 2019-09-17 辽宁工程技术大学 A kind of rotary digging formula Coal cutter
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
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

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Also Published As

Publication number Publication date
DE112015000073T5 (en) 2016-03-03
WO2015169160A1 (en) 2015-11-12
CN103939108A (en) 2014-07-23
RU2632833C1 (en) 2017-10-10
DE112015000073B4 (en) 2021-07-01

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Inventor after: Liu Songyong

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