WO2014194687A1 - 充填开采固体物料筛分装置 - Google Patents

充填开采固体物料筛分装置 Download PDF

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Publication number
WO2014194687A1
WO2014194687A1 PCT/CN2014/071563 CN2014071563W WO2014194687A1 WO 2014194687 A1 WO2014194687 A1 WO 2014194687A1 CN 2014071563 W CN2014071563 W CN 2014071563W WO 2014194687 A1 WO2014194687 A1 WO 2014194687A1
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WO
WIPO (PCT)
Prior art keywords
main shaft
screener
solid material
screening
screening device
Prior art date
Application number
PCT/CN2014/071563
Other languages
English (en)
French (fr)
Inventor
张强
李剑
沈晓明
张吉雄
杜杰
李猛
邓雪杰
Original Assignee
中国矿业大学
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 中国矿业大学 filed Critical 中国矿业大学
Priority to RU2014142176/03A priority Critical patent/RU2587193C1/ru
Priority to ZA2014/07516A priority patent/ZA201407516B/en
Publication of WO2014194687A1 publication Critical patent/WO2014194687A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B07B1/22—Revolving drums
    • B07B1/24—Revolving drums with fixed or moving interior agitators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens

Definitions

  • the invention relates to a filling and solidifying material screening device, which is particularly suitable for separating solid filling materials of different particle sizes by underground solid filling screening.
  • the object of the present invention is to overcome the deficiencies in the prior art and to provide a filling and mining solid material screening device which has a simple structure and a good screening effect.
  • the gearing device is engaged;
  • the screening device comprises a cylindrical sifter that is sleeved on the main shaft, and a plurality of sifter fixing rods fixedly connected to the main shaft are respectively arranged on the circumference of the inner wall of the front and rear sides of the cylindrical sifter, and the cylindrical shape
  • the sifter is provided with a stirring piece fixedly spaced on the main shaft;
  • the front part of the cylindrical sifter is provided with a bucket-shaped feeding port, and the left and right sides of the lower part are symmetrically arranged with a baffle plate forming a discharging port.
  • the tail of the spindle is fixed to the rear of the bracket via the spindle end fixing seat, and the front portion of the spindle is fixed to the front of the bracket through the spindle head end fixing seat.
  • the ratio of the rotational angular velocity of the main shaft to the sifter is 1.2 to 1.5:1; the wall of the cylindrical sifter is a screening mesh that allows passage of solid materials having a particle diameter of less than 50 mm; the cylindrical sifter The radius of the rear discharge end is larger than the radius of the front feed end, and the horizontal angle formed is 6 ⁇ 15°; the plurality of sifter fixing rods are six.
  • the filling and solid material screening device of the invention can effectively screen and separate solid filling materials of different particle sizes according to the needs of filling coal mining technology, and can not only solve the problem well.
  • the problem of the material sticking equipment can also effectively screen out the solid filling materials with the particle size and the required size, thus providing the basic guarantee for the successful realization of the underground filling coal mining technology.
  • the utility model has the advantages of simple structure, convenient operation, low manufacturing cost and high screening efficiency, and has wide practicality in the technical field.
  • Figure 1 is a front elevational view showing the structure of a solid material screening device for filling and filling according to the present invention
  • Figure 2 is a right side view showing the structure of the filling and solid material screening device of the present invention.
  • Figure 3 is a top plan view showing the structure of the filling and solid material screening device of the present invention.
  • Figure 4 is a front elevational view showing the structure of the transmission system of the present invention.
  • Figure 5 is a top plan view showing the structure of the transmission system of the present invention.
  • Figure 6 is a schematic view showing the installation of the spindle and the stirring piece of the present invention.
  • Figure 7 is a front elevational view showing the structure of the sifter of the present invention.
  • Figure 8 is a left side view showing the structure of the sifter of the present invention.
  • Figure 9 is a top plan view showing the structure of the base of the present invention.
  • Figure 10 is a front elevational view showing the structure of the base of the present invention.
  • Figure 11 is a right side elevational view of the base structure of the present invention.
  • Figure 12 is a schematic view showing the structure of the stirring sheet of the present invention.
  • the filling and solid material screening device of the invention is mainly composed of a transmission system, a screening device and a bracket, the transmission system is connected to the screening device, and the supporting screening device is arranged on the bracket; the transmission system comprises a main shaft 2
  • the sifter gear 11 , the main spindle pulley 8 and the main spindle pulley 9 are sequentially arranged on the main shaft 2, and the main pulley 10 is connected to the motor output shaft via a belt, and the main pulley 15 is connected to the main pulley 15 via a belt.
  • the composite wheel 10 is meshed with the sifter gear 11 via a slewing gear 16;
  • the sieving device comprises a cylindrical sifter 1 fitted over the main shaft 2, said cylindrical sifting
  • the wall of the vessel 1 is a screen mesh that allows passage of solid material having a particle size of less than 50 mm.
  • a plurality of screens fixedly connected to the main shaft 2 are respectively arranged on the circumference of the inner wall of the front and rear sides of the cylindrical sifter 1
  • the splitter fixing rod 5 is provided with a stirring piece 4 fixed to the main shaft 2 in the cylindrical sifter 1; the main shaft end fixing seat 3 and the main shaft end fixing seat fixed to the base by bearings at both ends thereof 12, the sifter 1 is fixed to the main shaft 2 by six sifter fixing rods 5, and the sifter fixing rod 5 and the main shaft 2 are connected by bearings so that the sifter 1 can be rotated relative to the main shaft 2, and the stirring piece 4 is fixed to the main shaft 2, following the rotation of the main shaft 2, the radius of the rear discharge end of the cylindrical sifter 1 is larger than the radius of the front feeding end, and the horizontal angle formed is 6 ⁇ 15°, that is, the sifter 1 is parallel.
  • the cylindrical sifter 1 When placed, the cylindrical sifter 1 forms a slope of 6-15° at both ends, and the large granular material moves to the discharge port 19 during the operation of the machine; the front portion of the cylindrical sifter 1 is provided with a bucket-shaped feed port. 7.
  • the lower left and right sides are symmetrically provided with a baffle plate 6 forming a discharge port, and the tail portion of the main shaft 2 is fixed to the rear portion of the bracket via the main shaft end fixing seat 3, and the front portion of the main shaft 2 is fixed to the front end of the main shaft 2 12 is fixed to the front of the bracket.
  • the driving pulley 15 is driven by the belt to move the kinetic energy to the large pulley 8 of the main shaft under the power driven by the output end of the motor or the transmission.
  • the large pulley 8 of the main shaft drives the main shaft 2 and the small pulley 9 of the main shaft to rotate.
  • the small pulley 9 of the main shaft drives the composite reel 10 through the belt.
  • the composite wheel 10 is fixed to the composite wheel fixing seat 17 through a bearing, and the lower fixed pulley 13 is fixed in the fixed wheel fixing seat 14 and can be moved up and down as needed to adjust the tension of the belt, and the rotation of the composite wheel 10 passes through the gear
  • the end of the direction changing gear 16 rotates, the reversing gear 16 is fixed to the reversing gear fixing seat 18 through a bearing, and the reversing gear 16 drives the sifter gear 11 to rotate, and the steering gear 1 is turned by the action of the reversing gear 16
  • the main shaft 2 but because the transmission ratios of the main shafts are different, the rotation speeds of the main shaft 2 and the sifter 1 are different, and the rotation angular velocity ratio of the main shaft 2 and the sifter 1 is 1.2 to 1.5:1; 6 forming a discharge port; the solid material enters the sifter 1 from the feed port, and the rotation of the sifter 1 and the rotation of the stirring piece 4 driven by the main shaft 2

Landscapes

  • Combined Means For Separation Of Solids (AREA)

Abstract

一种充填开采固体物料筛分装置，主要由传动系统、筛分装置、底座组成，传动装置由一系列大小不同的皮带轮及齿轮组成，皮带轮及齿轮传动使得主轴（2）与筛分器（1）的转动方向相同而转速不同实现筛分，筛分装置中筛分网允许通过粒径不大于50mm的固体物料，底座起到安装固定作用，充填开采固体物料筛分装置不仅能解决物料粘黏设备的问题，还能筛选分离出粒径大小符合固体充填采煤的要求，为成功实现井下充填采煤技术提供基础保障。上述筛分装置制造成本低，筛分效率高，操作简单。

Description

充填开采固体物料筛分装置
技术领域
本发明涉及一种充填开采固体物料筛分装置， 尤其适用于煤矿井下固体充填筛选分 离不同粒径的固体充填物料。
背景技术
在应用充填采煤技术的过程中， 固体充填物料的选择及处理是该技术得以成功实施 的关键。 固体充填物料的粒径大小在很大程度上影响井下采空区的充填密实效果。 现有 的筛分设备很少是专门针对固体充填开采技术中固体充填物料的筛分而设计的。 在处理 固体充填物料的过程中， 常常需要用非专业的其它筛分装置替代或者将其改装后来进行 固体充填物料的筛分， 但是由于该技术的筛分对象是矸石、 黄土之类的固体物料， 存在 物料黏粘设备的问题， 而且筛分效果并不理想， 筛分效率低， 在一定程度上影响该技术 的实施。
发明内容
技术问题： 本发明的目的是克服已有技术中的不足， 提供一种结构简单、 筛分效果 好的充填开采固体物料筛分装置。
技术方案： 本发明的充填开采固体物料筛分装置， 包括传动系统、 与传动系统相连 的筛分装置和支撑筛分装置的支架； 所述的传动系统包括主轴、 依次设在主轴上的筛分 器齿轮、 主轴大皮带轮、 主轴小皮带轮， 主轴大皮带轮经皮带连接有与电机输出轴相连 主动皮带轮， 主轴小皮带轮经皮带连接有复合轮 和紧定皮带轮， 复合轮经变向齿轮与筛 分器齿轮相啮合； 所述筛分装置包括套装在主轴上的筒形筛分器， 筒形筛分器前后两侧 内壁圆周上分别设有与主轴固定连接的多根筛分器固定杆， 筒形筛分器内设有间隔固定 在主轴上的搅拌片； 所述筒形筛分器的前部设有斗形进料口， 下部左右两侧对称设有形 成出料口的挡料板， 所述主轴的尾部经主轴尾端固定座固定在支架的后部， 主轴的前部 经主轴头端固定座固定在支架的前部。
所述的主轴与筛分器的转动角速度比为 1.2~1.5:1； 所述的筒形筛分器壁为允许通过 粒径小于 50mm固体物料的筛分网； 所述的筒形筛分器后部出料端半径大于其前部进料 端半径， 所形成的水平夹角为 6~15° ； 所述的多根筛分器固定杆为六根。
有效效果： 由于采用了上述技术方案， 本发明的充填开采固体物料筛分装置能根据 充填采煤技术的需要， 有效的筛选分离不同粒径的固体充填物料， 不仅能很好地解决物 料黏粘设备的问题， 还能高效筛分出粒径大小符合要求的固体充填物料， 从而为成功实 现井下充填采煤技术提供基础保障。 其结构简单， 操作方便， 制造成本低廉， 筛分效率 高， 在本技术领域内具有广泛的实用性。
附图说明
图 1是本发明充填开采固体物料筛分装置结构示意图正视图；
图 2是本发明充填开采固体物料筛分装置结构示意图右视图；
图 3是本发明充填开采固体物料筛分装置结构示意图俯视图；
图 4是本发明传动系统结构示意图正视图；
图 5是本发明传动系统结构示意图俯视图；
图 6是本发明主轴与搅拌片安装示意图；
图 7是本发明筛分器结构示意图正视图；
图 8是本发明筛分器结构示意图左视图；
图 9是本发明底座结构示意图俯视图；
图 10是本发明底座结构示意图正视图；
图 11是本发明底座结构示意图右视图；
图 12是本发明搅拌片结构示意图。
图中： 1-筒形筛分器， 2-主轴， 3-主轴尾端固定座， 4-搅拌片， 5-筛分器固定杆， 6- 挡料板， 7-斗形进料口， 8-主轴大皮带轮， 9-主轴小皮带轮， 10-复合轮， 11-筛分器齿轮， 12-主轴头端固定座， 13紧定皮带轮， 14-紧定轮固定座， 15-主动皮带轮， 16-变向齿轮， 17-复合轮固定座， 18-变向轮固定座， 19-出料口。
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：
本发明的充填开采固体物料筛分装置， 主要由传动系统、 筛分装置和支架组成， 传 动系统相连在筛分装置上， 支撑筛分装置设在支架上； 所述的传动系统包括主轴 2、依次 设在主轴 2上的筛分器齿轮 11、主轴大皮带轮 8、主轴小皮带轮 9， 主轴大皮带轮 8经皮 带连接有与电机输出轴相连主动皮带轮 15， 主轴小皮带轮 9经皮带连接有复合轮 10 和 紧定皮带轮 13，复合轮 10经变向齿轮 16与筛分器齿轮 11相啮合；所述筛分装置包括套 装在主轴 2上的筒形筛分器 1， 所述的筒形筛分器 1壁为允许通过粒径小于 50mm固体 物料的筛分网。 筒形筛分器 1前后两侧内壁圆周上分别设有与主轴 2固定连接的多根筛 分器固定杆 5， 筒形筛分器 1内设有间隔固定在主轴 2上的搅拌片 4; 主轴 2两端通过轴 承分别固定于底座上的主轴尾端固定座 3和主轴头端固定座 12上，筛分器 1通过六根筛 分器固定杆 5固定于主轴 2上， 筛分器固定杆 5与主轴 2通过轴承连接使得筛分器 1可 以相对主轴 2转动，搅拌片 4固定于主轴 2上，跟随主轴 2转动，所述的筒形筛分器 1 后 部出料端半径大于其前部进料端半径， 所形成的水平夹角为 6~15° ， 即筛分器 1平行放 置时， 筒形筛分器 1两端形成 6~15° 的坡度， 机器运转时大颗粒物料向出料口 19移动； 所述筒形筛分器 1的前部设有斗形进料口 7，下部左右两侧对称设有形成出料口的挡料板 6， 所述主轴 2的尾部经主轴尾端固定座 3固定在支架的后部， 主轴 2的前部经主轴头端 固定座 12固定在支架的前部。
所述主动皮带轮 15在电动机或变速箱输出端的动力驱动下经皮带带动动能给主轴大 皮带轮 8转动， 主轴大皮带轮 8带动主轴 2和主轴小皮带轮 9转动， 主轴小皮带轮 9经 皮带带动复合轮 10转动， 复合轮 10通过轴承固定于复合轮固定座 17上， 下部紧定皮带 轮 13固定于紧定轮固定座 14中并可以按需要上下移动来调节皮带的松紧，复合轮 10的 转动经其齿轮端带动变向齿轮 16转动， 变向齿轮 16通过轴承固定于变向齿轮固定座 18 上， 变向齿轮 16带动筛分器齿轮 11转动， 经过变向齿轮 16的作用使得筛分器 1的转向 与主轴 2相同， 但由于各级传动比不同， 主轴 2与筛分器 1的转速不同， 主轴 2与筛分 器 1的转动角速度比为 1.2~1.5:1； 支架两侧对称设置挡料板 6形成出料口； 固体物料由 进料口 Ί进入筛分器 1，在筛分器 1的转动和主轴 2带动的搅拌片 4的转动搅拌下，小粒 径的固体物料通过筛分器 1落入出料口 19， 然后被运往井下用于充填， 大粒径的固体物 料从筛分器 1外端敞口处流出经破碎机破碎后重新进入筛分器 1筛分。

Claims

权利要求书
1、一种充填开采固体物料筛分装置， 其特征在于： 它包括传动系统、 与传动系统相连 的筛分装置和支撑筛分装置的支架； 所述的传动系统包括主轴 (2)、 依次设在主轴 (2)上的 筛分器齿轮 (11)、 主轴大皮带轮 (8)、 主轴小皮带轮 (9)， 主轴大皮带轮 (8)经皮带连接有与 电机输出轴相连主动皮带轮 (15)， 主轴小皮带轮 (9)经皮带连接有复合轮 (10) 和紧定皮带 轮 (13)， 复合轮 (10)经变向齿轮 (16)与筛分器齿轮 (11)相啮合； 所述筛分装置包括套装在主 轴 (2)上的筒形筛分器 (1 )， 筒形筛分器 (1 )前后两侧内壁圆周上分别设有与主轴 (2)固定连 接的多根筛分器固定杆 (5)， 筒形筛分器 (1 )内设有间隔固定在主轴 (2)上的搅拌片 (4); 所述 筒形筛分器 (1)的前部设有斗形进料口 (7)， 下部左右两侧对称设有形成出料口的挡料板 (6)， 所述主轴 (2)的尾部经主轴尾端固定座 (3)固定在支架的后部， 主轴 (2)的前部经主轴头 端固定座 (12)固定在支架的前部。
2、 根据权利要求 1所述的充填开采固体物料筛分装置， 其特征在于： 所述的主轴 (2) 与筛分器 (1)的转动角速度比为 1.2~1.5:1。
3、 根据权利要求 1 所述的充填开采固体物料筛分装置， 其特征在于： 所述的筒形筛 分器 (1)壁为允许通过粒径小于 50mm固体物料的筛分网。
4、 根据权利要求 1或 3所述的充填开采固体物料筛分装置， 其特征在于： 所述的筒 形筛分器 (1) 后部出料端半径大于其前部进料端半径， 所形成的水平夹角为 6~15° 。
5、 根据权利要求 1 所述的充填开采固体物料筛分装置， 其特征在于： 所述的多根筛 分器固定杆 (5)为六根。
PCT/CN2014/071563 2013-06-05 2014-01-27 充填开采固体物料筛分装置 WO2014194687A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
RU2014142176/03A RU2587193C1 (ru) 2013-06-05 2014-01-27 Просеивающее твердый материал устройство для подземной разработки с закладкой
ZA2014/07516A ZA201407516B (en) 2013-06-05 2014-10-16 Solid material screening device for back-filling mining

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CN201310221590.6 2013-06-05
CN201310221590.6A CN103302019B (zh) 2013-06-05 2013-06-05 充填开采固体物料筛分装置

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