WO2015169160A1 - 硬岩掘进机截割部 - Google Patents

硬岩掘进机截割部 Download PDF

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Publication number
WO2015169160A1
WO2015169160A1 PCT/CN2015/077613 CN2015077613W WO2015169160A1 WO 2015169160 A1 WO2015169160 A1 WO 2015169160A1 CN 2015077613 W CN2015077613 W CN 2015077613W WO 2015169160 A1 WO2015169160 A1 WO 2015169160A1
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WIPO (PCT)
Prior art keywords
cutting
hob
cutting head
hard rock
housing
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PCT/CN2015/077613
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English (en)
French (fr)
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
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刘送永
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Application filed by 刘送永 filed Critical 刘送永
Priority to DE112015000073.9T priority Critical patent/DE112015000073B4/de
Priority to RU2016116862A priority patent/RU2632833C1/ru
Publication of WO2015169160A1 publication Critical patent/WO2015169160A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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 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 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 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

Definitions

  • the invention relates to the field of hard rock tunneling technology, in particular to a hard rock roadhead cutting section of a rock hardness (f10) full rock section.
  • the object of the present invention is to provide a cutting section of a full rock section hard rock roadheader which is compact in structure, reduces pick wear, improves work efficiency, and has high reliability in view of the problems existing in the prior art.
  • the hard rock roadhead cutting part of the present invention comprises a cutting speed reducer, a cutting arm connected to the cutting speed reducer, and a cutting head disposed on the cutting arm, wherein the cutting head comprises a cutting head Cutting head spindle, planetary gear assembly, inner ring gear, bearing housing, sealing cover, cutting head housing, cutting disc, pick, cutting planet carrier, splitter cone assembly, said inner ring gear and bearing housing
  • the bolt assembly is fixedly coupled to the cutting arm housing, the planetary gear assembly is mounted on the cutting planet carrier, and a rotary seal is installed between the cutting planet carrier and the bearing housing, and the sealing cover is fixed on the cutting planet carrier by screws, and is shunted.
  • the bevel gear assembly is mounted on the cutting planet carrier, and the cutting head housing is fixed on the cutting planet carrier by bolts, the cutting disc is mounted on the inclined surface of the cutting head housing, and the pick is welded at the front end of the cutting head housing.
  • the splitter cone assembly engages the spindle of the cutting head.
  • the number of the cutting discs is 4-6; the cutting disc comprises a hob, a hob shaft, a hob, a sealing end cap, a cutter shaft, a bevel gear, a dust cover, and a hob Mounted on the hob shaft, the hob shaft is threaded on the hob, and the hob is fixed on the cutter shaft through the dust cover.
  • the cutter shaft is mounted on the cutting head housing through the bearing, and the sealing end cover is provided.
  • a lip sealing ring is arranged in the sealing end cover, the cutter shaft is coupled with the bevel gear spline, and the bevel gear meshes with the splitting cone gear assembly to realize the rotation and revolution of the cutting disc;
  • the blade surfaces of the hob and the hob are plated with a hard alloy.
  • the present invention converts the point contact of a conventional single pick and hard rock into a line contact between the hob and the hob, which fully utilizes the blade edge of the tool and reduces the tool's edge. Forced to achieve effective crushing of hard rock, while the wear of the tool is greatly reduced, and the pick of the end of the cutting head makes full use of the crack generated when the cutting disc works, crushing the hard rock without generating The large force reduces the wear of the picks at the end of the cutting head. Therefore, the cutting section of the hard rock roadhead has a high cutting efficiency, a wide range of rock hardness that can be cut, high reliability, and compact structure. The small size features greatly improve the efficiency of the excavation work of hard rock roadheaders and greatly reduce the work intensity of workers.
  • Figure 1 is a cross-sectional view of a cutting portion of a hard rock roadheader of the present invention
  • Figure 2 is a cross-sectional view of the cutting head of the present invention.
  • Figure 3 is a cross-sectional view of the cutting disk of the present invention.
  • the hard rock roadhead cutting part of the present invention is mainly composed of a cutting speed reducer 1, a cutting arm 2 and a cutting head 3, and the cutting arm 2 and the cutting speed reducer 1 pass.
  • the bolt is fixedly coupled, the cutting arm main shaft and the output shaft of the reducer are coupled by a spline, and the cutting head main shaft 3-1 and the cutting arm main shaft are coupled by a spline.
  • the cutting head 3 includes a cutting head spindle 3-1, a planetary gear assembly 3-2, an internal ring gear 3-3, a bearing housing 3-4, a rotary seal 3-5, and a sealing cover. 3-6, cutting head housing 3-7, cutting disk 3-8, cutting teeth 3-9, cutting planet carrier 3-10, splitting cone gear assembly 3-11, inner ring gear 3-3 and bearing
  • the seat 3-4 is fixedly coupled to the cutting arm housing by bolts, and the planetary gear assembly 3-2 is mounted on the cutting carrier 3-10, and the rotation between the cutting carrier 3-10 and the bearing housing 3-4 is installed.
  • Seal 3-5 the sealing cover 3-6 is fixed to the cutting planet carrier 3-10 by screws, the splitting cone gear assembly 3-11 is mounted on the cutting planet carrier 3-10, and the cutting head housing 3-7 is bolted Fixed on the cutting planet carrier 3-10, the cutting disc 3-8 is mounted on the inclined surface of the cutting head housing 3-7, and the pick 3-9 is welded on the front end of the cutting head housing 3-7, and the split taper teeth
  • the assembly 3-11 meshes with the cutting head spindle 3-1.
  • the cutting disc 3-8 includes a hob 3-8-1, a hob shaft 3-8-2, a hob 3-8-3, and a sealed end cap 3-8-4. , lip seal ring 3-8-5, cutter head shaft 3-8-6, bevel gear 3-8-7, dust cover 3-8-8, hob 3-8-1 mounted on the hob shaft 3
  • the hob shaft 3-8-2 is screwed to the hob 3-8-3, and the hob 3-8-3 is fixed to the cutter head shaft 3 through the dust cover 3-8-8.
  • the cutter shaft 3-8-6 is mounted on the cutting head housing 3-7 through bearings, and the sealed end cover 3-8-4 is fixed to the cutting head housing 3-7 by screws, lip
  • the sealing ring 3-8-5 is mounted on the sealing end cap 3-8-4, the cutter shaft 3-8-6 and the bevel gear 3-8-7 are coupled by a spline, the bevel gear 3-8-7 and the shunt
  • the bevel gear assemblies 3-11 are engaged to effect rotation and revolution of the cutting discs 3-8.
  • the motor transmits the power to the cutting head spindle 3-1 through the cutting gear main shaft through the cutting speed reducer 1 , and then transmits the power to the cutting head planetary reduction mechanism and the diverting cone through the cutting head spindle 3-1.
  • the tooth assembly 3-11 rotates the cutting head housing 3-7 fixed on the cutting planet carrier 3-10, and the splitting cone gear assembly 3-11 drives the cutting disk 3-8 to rotate to realize the cutting disk. 3-8 rotation and revolution.
  • the utility model has the advantages of high cutting efficiency, wide range of hardness, high reliability, compact structure and small volume, which greatly improves the efficiency of the excavation work of the hard rock roadheading machine and greatly reduces the working intensity of the workers.

Abstract

一种硬岩掘进机截割部，包括截割减速机（1）、截割臂（2）和截割头（3），所述的截割臂（2）与截割减速机（1）通过螺栓固定联接，截割臂（2）主轴与减速器输出轴通过花键联接；所述的截割头（3）包括截割头主轴（3-1）、行星轮组件（3-2）、内齿圈（3-3）、轴承座（3-4）、旋转密封（3-5）、密封盖（3-6）、截割头壳体（3-7）、截割盘（3-8）、截齿（3-9）、截割行星架（3-10）、分流锥齿组件（3-11）。这种硬岩掘进机截割部具有截割效率高、可截割的岩层硬度范围广、可靠性高、结构紧凑、体积小的特点，大幅度提高硬岩掘进机的掘进工作效率，极大地降低工人的工作强度，实现煤矿的安全高效生产。

Description

硬岩掘进机截割部 技术领域
本发明涉及硬岩掘进技术领域，特别是涉及一种岩石硬度(f10)全岩断面的硬岩掘进机截割部。
背景技术
随着我国大批千万吨级现代化矿井的建设,特别是新井建设中岩石巷道的开拓,对全岩掘进机的需求逐年增加。掘进机是现代矿山巷道快速掘进的关键设备，随着煤层开采，硬度岩石掘进任务越来越多，而硬岩掘进机工作条件恶劣，截割机构是硬岩掘进机的核心部件，其性能好坏直接影响到掘进机的结构强度和使用寿命。现阶段，掘进机在掘进硬岩时出现对硬岩截割失败，或截齿磨损严重，截割机构受到猛烈的冲击，使掘进机的可靠性严重降低，需要工人频繁更换截齿及相关部件，严重制约着掘进机的开机时间，使岩巷掘进效率严重降低，与巷道快速掘进的要求相矛盾，同时工人的工作强度大大提高，难以保证煤矿的安全高效生产。因此，急切需要开展对硬岩掘进机的研究，特别是研制一种新型的、高效的掘进机截割部。
发明内容
技术问题：本发明的目的是针对已有技术中存在的问题，提供一种结构紧凑、降低截齿磨损、提高工作效率、可靠性高的全岩断面硬岩掘进机截割部。
技术方案：本发明的硬岩掘进机截割部，包括截割减速机、与截割减速机相连的截割臂、设在截割臂上的截割头，所述的截割头包括截割头主轴、行星轮组件、内齿圈、轴承座、密封盖、截割头壳体、截割盘、截齿、截割行星架、分流锥齿组件，所述的内齿圈和轴承座通过螺栓固定联接在截割臂壳体上，行星轮组件安装在截割行星架上，截割行星架与轴承座之间安装有旋转密封，密封盖通过螺钉固定在截割行星架上，分流锥齿组件安装在截割行星架上，截割头壳体通过螺栓固定在截割行星架上，截割盘安装在截割头壳体斜面上，截齿焊接在截割头壳体前端，分流锥齿组件与截割头主轴啮合。
所述的截割盘的个数为4-6个；所述的截割盘包括滚刀、滚刀轴、滚刀盘、密封端盖、刀盘轴、锥齿轮、防尘盖，滚刀安装在滚刀轴上，滚刀轴螺纹固定在滚刀盘上，滚刀盘通过防尘盖固定在刀盘轴上，刀盘轴通过轴承安装在截割头壳体上，密封端盖设在截割头壳体上，安装在密封端盖内设有唇形密封圈，刀盘轴与锥齿轮花键联接，锥齿轮与分流锥齿组件相啮合实现截割盘的自转与公转；所述的滚刀和滚刀盘的刃面镀有硬质合金。
有益效果：由于采用了上述技术方案，本发明将传统的单个截齿与硬岩的点接触转变成滚刀与滚刀盘的线接触，既充分应用了刀具的刃性，又降低了刀具的受力，实现对硬岩的有效破碎，同时的刀具的磨损大大降低，而且截割头端部的截齿充分利用截割盘工作时产生的裂纹，对硬岩进行破碎，而不至于产生较大的受力，降低截割头端部的截齿的磨损，因此这种硬岩掘进机截割部具有其截割效率高、可截割的岩层硬度范围广、可靠性高、结构紧凑、体积小的特点，大幅度提高硬岩掘进机的掘进工作效率，极大地降低工人的工作强度。
附图说明
图1是本发明的硬岩掘进机截割部剖视图；
图2是本发明的截割头剖视图；
图3是本发明的截割盘剖视图。
图中：1、割减速机；2、截割臂；3、截割头；3-1、截割头主轴；3-2、行星轮组件；3-3、内齿圈；3-4、轴承座；3-5、旋转密封；3-6、密封盖；3-7、截割头壳体；3-8、截割；3-9、截齿；3-10、截割行星架；3-11、分流锥齿组件；3-8-1、滚刀；3-8-2、滚刀轴；3-8-3、滚刀盘；3-8-4、密封端盖；3-8-5、唇形密封圈；3-8-6、刀盘轴；3-8-7、锥齿轮；3-8-8、防尘盖。
具体实施方式：
下面结合附图对本发明的一个实施例作进一步的描述：
如图1所示，本发明的硬岩掘进机截割部，主要由截割减速机1、截割臂2和截割头3构成，所述的截割臂2与截割减速机1通过螺栓固定联接，截割臂主轴与减速器输出轴通过花键联接，截割头主轴3-1与截割臂主轴通过花键联接。
如图2所示，所述的截割头3包括截割头主轴3-1、行星轮组件3-2、内齿圈3-3、轴承座3-4、旋转密封3-5、密封盖3-6、截割头壳体3-7、截割盘3-8、截齿3-9、截割行星架3-10、分流锥齿组件3-11，内齿圈3-3和轴承座3-4通过螺栓固定联接在截割臂壳体上，行星轮组件3-2安装在截割行星架3-10上，截割行星架3-10与轴承座3-4之间安装旋转密封3-5，密封盖3-6通过螺钉固定在截割行星架3-10，分流锥齿组件3-11安装在截割行星架3-10上，截割头壳体3-7通过螺栓固定在截割行星架3-10上，截割盘3-8安装在截割头壳体3-7斜面上，截齿3-9焊接在截割头壳体3-7前端，分流锥齿组件3-11与截割头主轴3-1啮合。
如图3所示，所述的截割盘3-8包括滚刀3-8-1、滚刀轴3-8-2、滚刀盘3-8-3、密封端盖3-8-4、唇形密封圈3-8-5、刀盘轴3-8-6、锥齿轮3-8-7、防尘盖3-8-8，滚刀3-8-1安装在滚刀轴3-8-2上，滚刀轴3-8-2螺纹固定在滚刀盘3-8-3，滚刀盘3-8-3通过防尘盖3-8-8固定在刀盘轴3-8-6上，刀盘轴3-8-6通过轴承安装在截割头壳体3-7上，密封端盖3-8-4通过螺钉固定在截割头壳体3-7上，唇形密封圈3-8-5安装在密封端盖3-8-4上，刀盘轴3-8-6与锥齿轮3-8-7通过花键联接，锥齿轮3-8-7与分流锥齿组件3-11啮合，以实现截割盘3-8的自转与公转。
工作原理：电机将动力通过截割减速机1经截割臂主轴之后传递给截割头主轴3-1，通过截割头主轴3-1再将动力传递给截割头行星减速机构和分流锥齿组件3-11，使固定在截割行星架3-10上的截割头壳体3-7进行转动，同时分流锥齿组件3-11带动截割盘3-8转动，实现截割盘3-8的自转与公转。具有截割效率高、可截割的岩层硬度范围广、可靠性高、结构紧凑、体积小的特点，大幅度提高硬岩掘进机的掘进工作效率，极大地降低工人的工作强度。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (4)

  1. 一种硬岩掘进机截割部，包括截割减速机(1)、与截割减速机(1)相连的截割臂(2)、设在截割臂(2)上的截割头(3)，其特征在于：所述的截割头(3)包括截割头主轴(3-1)、行星轮组件(3-2)、内齿圈(3-3)、轴承座(3-4)、密封盖(3-6)、截割头壳体(3-7)、截割盘(3-8)、截齿(3-9)、截割行星架(3-10)、分流锥齿组件(3-11)，所述的内齿圈(3-3)和轴承座(3-4)通过螺栓固定联接在截割臂壳体上，行星轮组件(3-2)安装在截割行星架(3-10)上，截割行星架(3-10)与轴承座(3-4)之间安装有旋转密封(3-5)，密封盖(3-6)通过螺钉固定在截割行星架(3-10)上，分流锥齿组件(3-11)安装在截割行星架(3-10)上，截割头壳体(3-7)通过螺栓固定在截割行星架(3-10)上，截割盘(3-8)安装在截割头壳体(3-7)斜面上，截齿(3-9)焊接在截割头壳体(3-7)前端，分流锥齿组件(3-11)与截割头主轴(3-1)啮合。
  2. 根据权利要求1所述的硬岩掘进机截割部，其特征在于：所述的截割盘(3-8)的个数为4-6个。
  3. 根据权利要求1或2所述的硬岩掘进机截割部，其特征在于：所述的截割盘(3-8)包括滚刀(3-8-1)、滚刀轴(3-8-2)、滚刀盘(3-8-3)、密封端盖(3-8-4)、刀盘轴(3-8-6)、锥齿轮(3-8-7)、防尘盖(3-8-8)，滚刀(3-8-1)安装在滚刀轴(3-8-2)上，滚刀轴(3-8-2)螺纹固定在滚刀盘(3-8-3)上，滚刀盘(3-8-3)通过防尘盖(3-8-8)固定在刀盘轴(3-8-6)上，刀盘轴(3-8-6)通过轴承安装在截割头壳体(3-7)上，密封端盖(3-8-4)设在截割头壳体(3-7)上，安装在密封端盖(3-8-4)内设有唇形密封圈(3-8-5)，刀盘轴(3-8-6)与锥齿轮(3-8-7)花键联接，锥齿轮(3-8-7)与分流锥齿组件(3-11)相啮合，实现截割盘(3-8)的自转与公转。
  4. 根据权利要求3所述的硬岩掘进机截割部，其特征在于：所述的滚刀(3-8-1)和滚刀盘(3-8-3)的刃面镀有硬质合金。
PCT/CN2015/077613 2014-05-09 2015-04-28 硬岩掘进机截割部 WO2015169160A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112015000073.9T DE112015000073B4 (de) 2014-05-09 2015-04-28 Schneideinheit für eine Hartgestein-Tunnelbohrmaschine
RU2016116862A RU2632833C1 (ru) 2014-05-09 2015-04-28 Режущий модуль туннелепроходческой машины для крепкой горной породы

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Application Number Priority Date Filing Date Title
CN201410197142.1A CN103939108B (zh) 2014-05-09 2014-05-09 硬岩掘进机截割部
CN201410197142.1 2014-05-09

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WO2015169160A1 true WO2015169160A1 (zh) 2015-11-12

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