侧式悬臂堆料机侧式刮板取料机安装.docx
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侧式悬臂堆料机侧式刮板取料机安装.docx
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侧式悬臂堆料机侧式刮板取料机安装
1说明···················································································································································1
2设备用途·······································································································································1
3主要技术性能参数·················································································································1
3.1物料特性······························································································································1
3.2料场参数······························································································································1
3.3堆料机性能参数···············································································································1
3.4取料机性能参数···············································································································2
4基本构造和工作原理············································································································3
4.1堆料机·································································································································3
4.2取料机·································································································································4
5工作原理········································································································································5
6操作··················································································································································6
6.1手工操作····························································································································6
6.2自动操作····························································································································6
6.3机旁(维修)操作·············································································································7
6.4调车······································································································································7
6.5事故停车····························································································································7
7检查、维修·····································································································································7
7.1检修······································································································································7
7.2设备故障的诊断及处理·······························································································8
7.3报警信号····························································································································8
7.4润滑······································································································································8
7.5取料机的检查项目和要求···························································································9
8安装···················································································································································9
8.1安装前准备·······················································································································9
8.2堆料机安装····················································································································10
8.3取料机的安装·················································································································11
9试车···············································································································································13
9.1试车前的准备·················································································································13
9.2空负荷试车····················································································································14
9.3负荷试车··························································································································14
9.4试车的连续性·················································································································15
1说明
本机安装在焦作千业的综合料场。
2设备用途
由堆料胶带机运来的综合物料,卸到堆料机悬臂上的胶带机上。
堆料机一边行走,一边将物料卸到场内,形式分层的人字形料堆,完成第一次混匀作用。
堆料机在料场堆积好物料后,由取料机从料场中间开始全断面取料,卸到取料皮带机上,完成物料的第二次混匀。
3主要技术性能参数
3.1物料特性
物料种类:
原煤、硫酸渣、河沙
物料容重:
0.85~1.5t/m3(侧堆);0.9~1.45t/m3(侧取)
物料粒度:
0~40mm
物料水分:
休止角:
38°
3.2料场参数
料场长度:
280200mm
料堆宽度:
26500mm
料堆高度:
11650mm
3.3堆料机性能参数
规格型号:
CBD300/17
图号:
CBD62.00
堆料能力:
300t/h
堆料方式:
人字形堆料法
行走驱动装置:
轨道中心距:
4000mm
钢轨型号:
43kg/m
行走速度:
20m/min
车轮直径:
Φ630mm
车轮轮压:
200KN
电机型号:
YEJ112M-4
功率:
2×4KW
转速:
1480r/min
减速器速比:
144
驱动装置数量:
2
悬臂部分:
悬臂长度:
23040mm
悬臂胶带机:
胶带机带宽:
800mm
胶带机带速:
2.5m/s
头尾轮中心距:
9000mm
电动滚筒型号:
JWD22-2,δ-800-630
驱动电机功率:
22kw
传动滚筒直径:
Φ630mm
变幅机构:
变幅角度:
-16°~+16°
驱动方式:
液压
变幅液压站功率:
3kw
变幅油缸行程:
1562mm
变幅油缸速度:
0.3~1.1m/min
油缸直径:
Φ125/Φ95
来料车:
倾角:
16°
车轮轮距:
22935mm
动力电缆卷盘:
JDO-650(D)-T
卷盘外径:
Φ3200mm
电缆规格:
YCW-3×25+1×10
电机功率:
3kw
控制电缆卷盘:
JDO-650(D)-KT30
卷盘外径:
Φ3200mm
电缆规格:
CEFR(30×1.5)
电机功率:
1.5kw
来料胶带机:
胶带机带宽:
800mm
胶带机带速:
2.0m/s
控制方式:
PC程控、手控
动力电压:
380V50HZ
控制电压:
220V50HZ
总装机功率:
55KW
3.4取料机性能参数
规格型号:
CGQ150/26
图号:
CGQ26.00
取料能力:
150~250t/h
钢轨:
QU80
刮板链节距:
250mm
刮板尺寸:
1200×270mm
车轮直径:
Φ710mm
最大轮压:
400KN
端梁取料运行速度:
0.2~2m/min
端梁取料时驱动功率:
2×1.5KW
端梁调车时运行速度:
10.2m/min
端梁调车时驱动功率:
2×5.5KW
钢丝绳速度:
20/2m/min
卷扬提升功率:
24/2.4kw
刮板链速:
0.5m/s
刮板驱动功率:
55kw
动力电缆卷盘:
卷盘外径:
Φ3800mm
驱动功率:
3kw
电缆规格:
YCW-3×70+1×25
控制电缆卷盘:
驱动功率:
1.5KW
卷盘外径:
Φ3200mm
电缆规格:
CEFR(37×1.5)
动力电压:
380V50HZ
控制电压:
220V50HZ
总装机功率:
120kw
4基本构造和工作原理
4.1堆料机
堆料机主要由悬臂部分、行走机构、液压系统、来料车、轨道部分、电缆坑、动力电缆卷盘、控制电缆卷盘、限位开关装置等组成。
4.1.1悬臂部分
悬臂架由两个变截面的工字型梁构成,横向用钢板连接成整体,工字型梁采用钢板焊接成型。
因运输限制,臂架厂内分段制造,现场焊接成整体。
悬臂架上面安装有胶带输送机,胶带机可随臂架上仰16°、下俯-16°,胶带机的传动采用电动滚筒。
张紧装置设在头部卸料点处,使胶带保持足够的张力。
张紧装置采用螺旋张紧。
胶带机上设有料流检测装置,当胶带机上无料时发出信号,堆料机停机,同时还没有打滑检测器、防跑偏等保护装置。
胶带机头、尾部设有清扫器。
头部卸料改向滚筒处设有可调挡板,现场可以根据实际落料情况调整挡板角度、位置来调整落料点。
悬臂前端垂吊两个料位探测仪。
随着堆料机一边往复运动,一边堆积物料,料堆逐渐升高,当料堆与探测仪接触时,探测仪发出信号,传回控制室,控制室启动变幅液压系统,通过油缸推动悬臂提升一个预先给定的高度。
两个探测仪,一个正常工作时使用,另一个用作极限保护。
悬臂尾部设有配重箱,箱内装有铸铁及混凝土配重块。
悬臂两侧设有走台,走台上铺设热浸锌钢格板,一直通到悬臂的前端,以备检修、巡视胶带机之用。
悬臂下部设有两处支撑胶点,一处是与行走机构的门架上部铰接,使臂架可绕铰点在垂直面内俯仰;另一处是通过关节轴承与液压缸的活塞杆端铰接,随着活塞杆在油缸中伸缩,实现臂架变幅运动。
液压缸尾部通过球铰铰接在门架的下部。
为了传递横向载荷,在门架上部铰点处,设有剪力支座。
在悬臂与三角形门架铰点处,设有角度限位开关,正常运行时,悬臂在-16°~+16°之间运行;当换堆时,悬臂上升到最大角度16°。
4.1.2行走机构
行走机构由门架和行走驱动装置组成。
门架通过球铰与上部悬臂铰接,堆料臂的全部重量压在门架上。
门架下端两侧分别与一套驱动装置铰接(驱动装置共2套)。
每套驱动装置由一台4kw的电机驱动。
驱动装置实现软启动、延时制动。
门架下部设有平台,用来安装变幅机构的液压站。
行走驱动装置采用电机-制动器-减速器-车轮系统的传动形式,驱动系统的同步运行是靠结构刚性实现的。
车轮架的两端设置缓冲器和轨道清扫器。
在门架的横梁上吊装一套行走限位装置,所有行走限位开关均安装在吊杆上,随堆料机同步行走,以实现堆料机的限位。
(关于限位开关功能的详细说明参见图纸和电气说明书。
)
4.1.3来料车
堆料胶带机从来料车通过,将堆料胶带机运来的物料通过来料车卸到悬臂的胶带机上。
来料车由卸料斗、斜梁、立柱等组成。
卸料车悬挂在斜梁前端,使物料通过卸料车卸到悬臂的胶带面上。
斜梁由两根焊接工字型梁组成,横向通过4根大立柱支撑。
大立柱之间用工字型梁联接,工字型梁和斜梁之间又支撑4根小立柱。
这样可保证卸料车的整体稳定性。
工字型梁上安装有电气柜、控制室以及电缆卷盘。
斜梁上设有胶带机托辊,前端设有卸料改向滚筒,尾部设有防止空车时飘带的压辊。
大立柱下端装有四组车轮。
卸料改向滚筒处设有可调挡板,现场可以根据实际落料情况调整挡板角度、位置来调整落料点。
来料车的前端大立柱与行走机构的门架通过绞轴联接,使来料车能够随行走机构同步运行。
4.1.4液压系统
液压系统实现悬臂的变幅运动。
液压系统由液压站、油缸组成,液压站安装在三角形门架下部的平台上,而油站支撑在门架和悬臂之间。
4.1.5电缆卷盘
动力电缆卷盘由单排大直径卷盘、集电滑环、减速器及力矩堵转电机组成。
外界电源通过料场中部电缆坑由电缆通到卷盘上,再由卷盘通到堆料机配电柜。
控制电缆卷盘由单排大直径卷盘、集电滑环、减速器及力矩堵转电机组成。
主要功能是把堆料机的各种联系反映信号通过多芯电缆与中控室联系起来。
4.2取料机
侧式刮板取料机由刮板取料系统、卷扬提升系统、机架部分、固定端梁、摆动端梁、轨道系统、导料槽、动力电缆卷盘、控制电缆卷盘等部分组成。
4.2.1刮板取料系统
刮板取料系统是本机实现取料功能的主要部分。
驱动装置通过锁紧盘联接在驱动轴上,驱动轴上的链轮带动链条及固定在链条上的刮板在悬臂架的支承下循环运转,将物料刮取到料仓一侧。
驱动装置由电机、耦合器和减速器组成,减速器为直角轴全硬齿面空心轴减速器。
臂架为两个工字形板梁中间加交错连杆的结构,梁的上、下分别布置有支承链条的轨道导槽。
在改向链轮一端设有带塔形的张紧装置,可调节链条的松紧。
链条采用套筒滚子链。
4.2.2机架及行走端梁
机架和行走端梁的作用是支承整机重量并驱动取料机在料场内的轨道上往复运行,机架采用了箱形结构的刚性平台,行走端梁由车轮组、驱动装置和支承结构梁组成,其下部可在轨道上行走,上部与机架平台一侧用螺栓刚性连接(固定端梁)。
另一侧铰链(摆动端梁)。
两套驱动装置均设在固定端梁上,构成单侧双驱动形式。
驱动装置由电机和行星摆线减速器、电磁离合器、调车电机和直交轴减速器、制动器等组成。
在取料机进行取料工作行走时,取料电机驱动车轮组,此时电磁离合器处于通电状态,即合的位置。
当调车时,由调车电机驱动车轮组,此时电磁离合器处于断电状态,即脱开状态。
注意:
一套驱动装置的两个电机不能同时处于工作状态,启动其中一台电机,另一个电机必须首先停止运行,当设备调试好后取料量的调整依靠改变行走电机的频率来实现。
4.2.3卷扬提升系统
该系统是完成刮板取料系统变幅的机构,由支承架和电动葫芦、滑轮组等组成,并带有过载保护装置。
4.2.4链条润滑系统
本机在机架的一侧设有稀有润滑站,通过油管和给油指示器将润滑油滴在链条上保证两条道路正常工作。
在正常工作情况下,要求链条每工作三小时就需润滑一次,每次润滑5分钟,每次总油量为1.25升。
4.2.5导料槽
导料槽设计有可调溜板,可根据实际落料情况调节合适的角度,保证物料准确落在出料胶带机上,导料槽内设有耐磨衬板。
4.2.6电缆卷盘
a.动力电缆卷盘由单排大直径卷盘、集电滑环、减速器及力矩堵转电机组成。
外界电源通过料场中部电缆坑由电缆通到卷盘上,再由卷盘通到取料机配电柜。
b.控制电缆卷盘由单排大直径卷盘、集电滑环、减速器及力矩堵转电机组成。
主要功能是把堆料机的各种联系反映信号通过多芯电缆与中控室联系起来。
5.工作原理
取料机在混合料场中与堆料机配合使用,混合料场由多个相邻的料仓组成,储存数种不同的物料,堆料机在料仓的一侧堆积的物料由取料机在料仓的另一侧的轨道上往复运行,通过刮板取料机卸到导料槽内,通过导料槽送到出料胶带机上运出。
取料臂每取完一层物料后,按预定的指令下降相应的高度(既相应的物料深度)并在相应的取料运行速度下,将料逐层取出,直至该料仓物料全部取净。
这种取料过程使堆料机按一定方式堆积起的物料再次得到均化。
取料时操作人员按照中控室的指令将取料机调车到指定的料仓内(注意:
本机不可与堆料机在一个料仓内工作)。
借助行走限位装置正确识别本机所处的料仓编号。
当取料机按指令调入即将取料的料仓时限定了该料仓的左右两端的行走极限位置,取料机将在该极限位置内按程序做往复取料运行。
安装在电动葫芦上的编码器可以正确控制刮板臂的下降角度,保证取料机恒定的取料能力。
在保证恒定取料能力及确定的取料速度的情况下,为使刮板之间充入设计的最大容量的物料,悬臂及刮板取料系统下降的角度逐渐减少,从而实现将该料仓的物料逐层刮取。
取料机的取料运行速度采用驱动电机变频调速,通过调整取料运行速度来调节取料机的取料量。
在特殊情况下,取料机可以在人工的操作下从未堆满物料的料堆取料。
6操作
本取料机采用三种操作方式,即:
集中程控、手控和机旁(维修)控制。
每种操作是通过工况转换开关实现的。
6.1手工操作
手工操作(机上人工控制)适用于调试过程中所需要的工况和自动控制出现故障,要求取料机继续工作,允许按非规定的取料方式取料。
操作人员在机上控制室内,控制操作盘上相应按钮进行人工取料作业。
只能在操作台上进行,通过操作台上的控制按钮对各种进行单独操作。
当工况开关至于手动位置时,自动、机旁(维修)工况均不能切入,手动控制可使各系统之间失去相互联锁(电缆卷盘与行走机构的联锁保留),但各系统的各项保护仍起作用。
6.2自动操作
自动控制方式下的堆、取料作业由中控室和机上控制室均可实施。
当需要中控室对堆取料机自动控制时,操作人员只要把操作台上的自动操作按钮按下,然后按下启动按钮,堆、取料机上所有的用电设备将按照预定的程序启动,整机操作投入正常自动运行作业状态。
在中控室的操作台上,通过按动按钮可以对堆取料机实现整机系统的启动或停车。
在自动控制状态下堆料机起机前首先响铃,启动顺序是:
a.启动悬臂上的卸料皮带机
b.启动液压系统
c.启动堆料皮带机(连锁信号)
d.启动电缆卷盘
e.启动行走机构
正常的停车顺序:
a.停止堆料皮带机(连锁信号)
b.停止悬臂上的卸料皮带机
c.停止行走机构
d.停止电缆卷盘
在自动控制状态下取料机起机前首先响铃,启动的顺序是:
a.启动取料皮带机(连锁信号)
b.启动电缆卷盘
c.启动刮板输送系统
d.启动耙车
e.启动行走端梁
正常停车顺序:
a.停止刮板取料系统
b.停止行走机构
c.卷扬提升系统将刮板臂提升至45度位置,停止卷扬提升系统。
d.停止电缆卷盘
e.通知出料胶带机停止运行
6.3机旁(维修)操作
只能在现场机旁进行操作。
当工况开关至于机旁(维修)位置时自动工况及手动工况不能切入,手动工况的功能,机旁工况也具备。
但操作按钮只装在有利于维修操作的位置上。
机旁工况不装行走操作按钮。
6.4调车
无论是调车工况还是堆料机与取料机交错工况,取料机的刮板臂必须抬
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