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目前,睡眠舱已开启预约,将于8月22日正式亮相,其单次体验时长为30分钟,价格825日元(约41元人民币),并赠送一杯咖啡,可用于午休后提神(下图)。
一、克令吊操作阵势
阐明讲明书操作模范,MHI 克令吊装卸货操作有2 种阵势,折柳是钩头和持斗阵势,讲明书里是这么界说的:
1. 钩头阵势
Hook operation [Intended purpose]The hook operation is performed for a mass cargo such as containers or blocks.The hook hung from the tip of the deck crane jib is used to hang a cargo with a wire rope in order to load/unload[Maximum load] Same as the rated load of the deck crane.30.5 ton
钩头阵势用于装卸集装箱或块状之类大件货色,钩头下方悬挂钢丝用于装卸货色。该阵势最大负荷可达克令吊的标定负载,本轮是 30.5 吨。
2. 持斗阵势
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Grab operation[Intended purpose] The grab operation is performed for a bulk cargo suchas, coals, iron stones and nickels. The grab bucket (opening type cargo handling equipment) is hung from the hook at the tip of the deck crane in order to load/unload.[Maximum load] 24t。
持斗阵势用于装卸煤,铁矿,镍矿等散装货色,铲斗(灵通式的装卸货建设)悬挂于钩头下告成装卸货。该阵势下本轮最大负载是 24 吨。
Precautions for grab operationThe grab operation is apt to apply more load to the deck crane than the hook operation due to followingr easons:
使用持斗阵势的提防事项:由于下列原因使得持斗阵势的负载较钩头阵势负载大,原因如下:
● Unlike the hook operation, there is no hooking work required, operation cycle is apt to shorten.
与钩头阵势不同,持斗阵势不需要脱钩,挂钩,操作周期短。
Key Points for MHI Deck Crane Operating & Safety Device
● Because the grab bucket is equipped, the load is always applied.
因为加装了持斗,是以通盘经由克令吊永远受载。
● It is hard to adjust loaded volume with the grab bucket method, which is apt to cause overload.
体育博彩赢钱技巧由于每个轮回持斗装卸量不好适度,是以有可能导致装货量超载。
● The operation by the controller is apt to have a great impact on the deck crane.Since the grab operation is apt to have a great impact on the components of the deck crane, itcould increase the risk of a serious accident.
持斗阵势较钩头阵势冲击负荷大。因其各个部件冲击较大,是以克令吊损坏的风险加大。
Do not operate the crane in the hook mode when carrying out the grab operation. (Turn the HOOK GRAB selector switch to“GRAB.”)
* Otherwise, the deck crane could be overloaded, resulting in equipment damage or serious accidents.
当使用持斗阵势装卸货时,请将“HOOK-GRAB”选拔开关摆至 “GRAB”位置。
3. Warm-up operation 暖机操作
When the deck crane is used in low-temperature environment or when the deck crane is used on condition that the hydraulic oil temperature is 20ºC or less, rapid start of the hydraulic pump or crane will cause decrease in the service life of the hydraulic equipment (pumps, motors, etc.)
because the viscosity of the hydraulic oil increases with the temperature of the machine room dropped. In the worst case, the hydraulic equipment could be damaged.
当低温环境或液压油温度低于 20ºC,因油温低油粘度大,快速启动主油泵或告成操吊将镌汰液压安装(主油泵,油马达等)的使用寿命,严重时将导致建设损坏。
The following is the procedure of the warm-up operation. 下列是克令吊暖机交替
1. Starting the hydraulic pump 点动启动液压泵。
Press the start button for inching operation. (4 to 5 times) (Refer to the figure below.)
参考下图点动操作 4-5 次。
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● Oil pump starting in cold condition is not to be done rapidly, to be done gradually by inching operation of electric motor start/stop button.
低温下通过点动启停电机,徐徐启动主油泵
2.After oil pump starting, when the oil thermometer indicates below 20°, control handles are to be positioned on neutral and oil pump is to be idly run until the oil thermometer indicates over 20°.
电机启动运转后,淌若温度还低于 20°,不要操作东宰杆,保持中位怠机启动,直到油温高潮至 20°以上。(温度计位于主宰室外油冷却器出口管路上)
Key Points for MHI Deck Crane Operating & Safety Device。
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二.安全保护安装
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1. Hydraulic equipment 液压部件保护
(1) Thermostat for upper limit of oil temp. high。
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当油温高>75ºC,电机罢手启动,油冷却器不竭启动,直到油温<65ºC,高温复位。
(2) Thermostat of electric motor for oil cooler
油冷却器温控器
The thermostat of electric motor for oil cooler detects the oil temperature in the hydraulic circuit to automatically start/stop the electric motor for the oil cooler.
Start Hydraulic oil temperature: 50ºC Stop Hydraulic oil temperature: 35ºC。
当油温在 35ºC-50ºC 时,冷却风机自动启停
(3) Thermostat for oil temp. low
油温低保护
The thermostat for oil temp. low is a device to protect the hydraulic pump at starting operation under low temperature. If the hydraulic oil temperature becomes below 10ºC, it will automatically be actuated.
当油温低于 10ºC 时,低温开关看成,MVLR 电磁阀看成,吊臂和反转无法操作。
<Resetting method>
复位方法
Once the oil temperature drops below 10 ºC, luffing and slewing operation cannot be performed until the temperature reaches 20ºC. Perform warm-up operation until the oil temperature becomes 20ºC or more while checking the oil temperature gauge. (Refer to “3.3.3 Warm-up operation”.)
当油温低于 10 ºC,吊臂和反转无法操作,扩张暖机交替,直到油温高于 20ºC 以上。
Key Points for MHI Deck Crane Operating & Safety Device
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出厂设定:20℃,幅差 10℃,复位:30℃
(4) Relief valve (for hoisting, luffing and slewing)
泄压阀(用于升降,变幅,反转)
If the pressure in the hydraulic circuit becomes over the specified value, the relief valve will beopened and the hydraulic oil will be relieved.当系统中压力提升泄压阀设定值,泄压阀看成泄压。
For hoisting: Overload hoisting prevention and hydraulic circuit protection (20.6Mpa)For luffing and slewing: Hydraulic circuit protection (20.6Mpa)。
(5) Pressure switch
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If the pressure switch detects the pressurecorresponding to the overload, the relief valve will unload the circuit pressure to return the oil to the return line. (适度 MVHR)Also, the overload alarm lamp and buzzer on thecontrol panel will work to call operator's attention.
当压力开关(共 2 个,其触点为常闭,看成时断开,阐明操作阵势不同,折柳设定 20/16Mpa)看成,触点断开,MVHR 电磁阀获电看成,将起升回路压力卸放至回油管路,Hoisting 无法看成,同期过载伙同灯亮,蜂鸣报警。
2. 电器建设保护
(6) Off notch interlock (断槽联锁) 主宰杆上的微动开关
If each controller is not in the neutral position, the micro-switch installed in the controller detects that it is not in the neutral position, and the main electric motor will not start even if the start button is pressed.
淌若主宰杆上的微动开关检测到主宰杆不在中位,主电机则无法启动,大要当按下启动钮后,电机处于星三角鼎新时(诞生 4 秒)操作东宰杆,电机也会罢手。
(7) “LUFF. LOWER LIMIT” switch 变幅着落限位开关
西子湖四季酒店金沙厅When the “LUFF. LOWER LIMIT” switch is switched to “BYPASS”, the following limit switches (4pcs.) will be inactive. 当“变幅着落限位开关”摆至“BYPASS”, 下列 4 个限位将失去保护。
Key Points for MHI Deck Crane Operating & Safety Device
● Limit switch of slack detector for hoisting wire rope 起升钢丝纰漏限位
● Limit switch of slack detector for luffing wire rope 变幅钢丝纰漏限位
● Luffing lower limit switch 变幅着落限位
● Collision prevention limit switch 钩头吊臂间距防撞限位
因此当此开关摆至“BYPASS”时,要非常提防操吊安全。
(8) Overload test mode selector switch (货色超载测试阵势:即旁通压力开关)
The over load test mode selector switch disables the pressure switch for over load test.
When “OVERLOAD TEST MODE” is selected, the pressure switch is disabled and the load limit will not work. (Select the “NORMAL OPERATION” after using the overload test mode.) Also the buzzer sounds at intervals of 1 second when the “OVERLOAD TEST MODE” is selected.
当选拔开关摆至“OVERLOAD TEST MODE”时,2 个过载压力开关失去作用,施行过载时将无过载保护,但启动箱面板蜂鸣器会发出嘀嘀声。
uG环球棋牌(9) Pressure switch test mode selector switch。
压力开关测试阵势选拔开关
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While the switch is turned to "TEST MODE", the release pilot pressure of the hoisting motor brake doesn't rise. Therefore, the disk brake continues to work even if the operation handle is operated, and the hydraulic circuit pressure will rise.
当此开关摆至"TEST MODE"时,主宰起升时油马达剎车将不会削弱,测试系统压力是否高潮,待升到压力开关设定值后,MVHR 看成,伙同灯亮。可阐明操作阵势折柳选拔测试“Hook 或 Grab”压力开.“Hook”压力开关诞生 20Mpa,对应负载 30.5T; 开关指针伙同高度约为 7mm, “Grab”压力开关诞生 16 Mpa, 对应负载 24T 开关指针伙同高度约为 9mm(10) Overload protection device (主电机过热过载保护)。
The main electric motor is equipped with thermostat (TH1) and thermal relay (51M) as the overload protection devices. For the electric motor for oil cooler, the thermal relay (51F) is equipped.
主电机配有 TH1 过热保护和 51M 热继电器保护,冷却器电扇电机也配有 51F 热继电器保护。
When these protection devices are actuated, the main electric motor will stop, and“Motor overload lamp” (RL2) will light or blink.
当这 3 个保护看成,主电机罢手,电机过载灯闪亮。
The overload protection device of the electric motor is actuated if the temperature increased due to overcurrent or unbalance of the 3-phase current occurred. Therefore, missing phase (one of three phases is faulty) operation can also be protected. So, it is necessary to check whether the overload is the real cause of the actuation of the protection device. Because poor contact betweenthe ring and brush in the slip ring could also be the cause, take extreme care when deciding the cause.
当主电机由于过流或 3 相电流对抗衡引起绕组温度升高,电机过热保护看成,因此该保护也具有缺相保护功能,相当是当滑环和碳刷搏斗不良引起的过热保护。
Key Points for MHI Deck Crane Operating & Safety Device。
(11)其它保护:
主油泵电机过载:热继电器保护,电机过载灯亮,蜂鸣常向;
冷却器电机过载:主泵电机罢手,冷却器电机罢手,冷却器电机过载灯每 0.5s 闪动,蜂鸣报警常向;
主油泵电机温控开关过热保护,电机绕组过热,温控保护看成,主电机停,油温高及主电机过载灯均 1s 闪亮, 待两报警灯消掉后自动复位。
Braking mechanism 剎车安装
Dual braking mechanism is provided to the deck crane.
克令吊树立双剎车安装:机械碟剎和液压回路均衡阀制动
(1) Mechanical disc brake 碟剎看成
1)当电机运转,换向阀处于中位时,起升,变幅剎住,反转削弱;
2)当电机罢手时,整个(3 个)剎车均抱死;
3)当限位开关看成,电机罢手时,3 个剎车均抱死(不管主宰杆在什么位置)
(2) Braking with a counterbalance valve in the hydraulic circuit. 均衡阀制动
防护吊臂因油路有时故障转眼掉落或反转,也可防护油泵马达自转(卷筒自转)。
操作故障情状案例
(1). 主宰杆行程开关引起的故障
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由于主宰杆上的微动开关适度剎车电磁阀,微动开关上的滚轮为塑料材质,年限深入可能磨损,导致主宰杆微动时搏斗不良,剎车打不开,但适度阀(换向阀)此时已看成向油马达供油,待主宰杆进一步操作时,微动开关看成,剎车转眼掀开,导致油压波动,使油马达转速突变,导致货色舞动狠恶,增多危急。
因此,平时操吊功课时应提防剎车伙同灯看成情况,平淡剎车灯亮应优先于卷筒看成时间,也不错同步,但不管怎样剎车伙同灯亮的时间不成晚于卷筒看成时间,幸免货色漂泊狠恶。
(2). 均衡阀节流孔
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均衡阀充任液压系统的液压制动锁,防护吊臂因油路有时故障转眼掉落或反转,也可防护油泵马达自转(卷筒自转)常見故障为吊貨着落速率较慢,可能是均衡閥流量适度阻尼孔脏堵导致,尝試調节該阻尼孔旋塞望望,是否變化。本輪起升变幅反转一共有 5 个均衡閥,5 个阻尼孔。
Key Points for MHI Deck Crane Operating & Safety Device
(3). 主油泵磨损
主油泵 P1(Hoisting),P2(Luffing & Slewing) ,油泵磨损图片:常见的磨损面:(1)定子内曲面;(2)配油盘内面;(3)转子高下两侧。
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本轮克令吊主油泵为 DENISON (丹尼逊)三联叶片泵,型号:T7EEC -052-052-025-2L 34-A1 M070,
其中三排数字折柳是 3 个泵的容积排量代码,泵 P1 和 P2 排量诚然相通,但因为转子和配油盘结构不同,是以不成通用,但叶片相通,不错互换。
上图为主油泵内 P1 叶片泵芯解体图。
iba百家乐网址其中泵高下配油盘磨损严重,导致内漏,无法达到责任压力。
克令吊操作中可通过实测泵出口压力来判断故障原因,平时也可通过泵出口压力的测取来查验泵的性能,以便提前了解,经常之需。泵的压力测试交替见后头形势。
Key Points for MHI Deck Crane Operating & Safety Device。
(4). 如下图,在船有出现过由于该开关锁紧螺母松动,上紧后由于位置没对好,效果开关施行位置是在 Grab,导致吊货无法达到预定 SWL。
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四.使用提出
阐明船上现场操作不雅察,在克令吊启动及操作的经由中能按讲明书的操作模范作念到位的较少,故常常导致建设施行使用寿命大大镌汰,相当是在气温较低的环境下操作,暖机作念不到位,就快速操作,因此提出:
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1. 将低温保护开关看成温度允洽调高,延迟暖机时间。
2. 低温启动主油泵时,诚然有低温保护,但该保护只为止变幅和回动掸作,起升仍然不错看成,因此有见过操吊东说念主员给与主宰钩头升降使油温快速高潮,这种操作使油泵或油马达潜在损坏的风险加大,因此需严禁这种操作(低温时谢却用主宰钩头升温)。
3. 根 据 装 卸 货 性 质 , 选 择 相 应 操 作 模 式(Hook/Grab),而不是每次皆摆在 Hook 阵势。
4. 按时测试压力保护开关,确保功能精熟。
5. 阐明其滑油表情当令更换延缓齿轮箱滑油(变幅,起升,反转)。
6. 提防滑环碳刷,及启动箱内主搏斗器触点清洁保重。
Key Points for MHI Deck Crane Operating & Safety Device
五.三联叶片泵压力测试及筹议方法:(如图中⑥3个压力表接口,折柳测试Hoisting P1,L&slewingP2,BrakeP3。
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准备器具:建设随船压力表及高压快速征询(2HS socket), 小行动扳手,4mm 内六角扳手。
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Key Points for MHI Deck Crane Operating & Safety Device。
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本文作家:郑老轨欧博百家乐,感谢他的共享!
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