GB/T 19928-2005

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GB/T 19928-2005 m

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提升作用线

lift point line 通过承载吊钩中心的铅垂线

Lift point line: The plumb line passing through the center of the load-bearing hook.

支腿outrigger / outrigger

安装在主机上，支撑在支承表面和确定倾翻线的可外伸或固定的支架。见图7和图8。 GB/T 19928- 2005

A bracket that is installed on the host machine, supported on the bearing surface, and determines the tipping line, which may be extendable or fixed. See Figures 7 and 8. GB/T 19928-2005

倾翻线;平衡线

tipping line;balance point fulcrum(见3.4.1-3.4.4) 3.4. 1 倾翻线(对于履带式机器) 机器侧臂一侧的履带外侧链轨的外侧接触线。见图to

tipping line; balance point; fulcrum (see 3.4.1-3.4.4) 3.4.1 tipping line (for track-type machines) The outer contact line of the outer track link on the side of the machine's side arm. See Figure to.

倾翻线(对于没有摆动轴的轮胎式机器) / Tipping line (for wheeled machines without oscillating axle)

机器侧臂一侧的前、后轮胎与基准地平面接触的中心连线。见图2、图3和图5,

The line connecting the centers of the front and rear tires on one side of the machine's side arm in contact with the reference ground plane. See Figures 2, 3, and 5.

倾翻线(对于安装了摆动轴的轮胎式机器) / Tipping line (for wheeled machines equipped with an oscillating axle)

机器侧臂一侧刚性桥的轮胎与基准地平面接触的中心和通过摆动桥摆动中心在基准地平面上的垂 足的连线。见图4和图6。

The line connecting the center of the tire contact with the reference ground plane on the rigid bridge side of the machine's side arm and the vertical projection of the swing bridge's pivot center onto the reference ground plane. See Figures 4 and 6.

倾翻线(对于有支腿的机器) / Tipping line (for machines with outriggers)

机器侧臂一侧的两支腿垫板与基准地平面接触的中心连线。见图7和图8,

The centerline connecting the contact points between the two leg pads on one side of the machine side arm and the reference ground plane. See Figures 7 and 8.

载荷伸距load

overhang 倾翻线到提升作用线在水平面上垂足间的距离。见图1中的W12和图2-图8中的WW12,

overhang The distance between the foot of the perpendicular from the tipping line to the lifting action line on the horizontal plane. See W12 in Figure 1 and WW12 in Figures 2 to 8.

机器倾翻力矩moment / moment of machine overturning

acting to overturn machi ne 通过提升作用线的外力与载荷伸距的乘积。

acting to overturn machine The product of the external force acting through the line of action to overturn the machine and the load outreach.

机器倾翻阻力矩moment / moment of resistance to overturning

acting to r esist overturn of machine 机器自重与其质心到倾翻线距离的乘积。

Product of the machine's self-weight and the distance from its center of gravity to the tipping line.

平衡位置

balance point(见3.8.1和3. 8.2)

balance point (see 3.8.1 and 3.8.2)

计算平衡位且cal

culated balance point 在特定载荷伸距时对机器产生的倾翻力矩等于倾翻阻力矩。

calculated balance point At a specific load outreach, the overturning moment generated by the machine equals the overturning resistance moment.

M!

9 f平衡位置 measured balance point(见3. 8. 2. 1--3. 8. 2. 3) 3.8.2.1 测f平衡位置(对于履带式机器) 在特定载荷伸距时对机器产生的倾翻力矩，使侧臂对面履带上的任一支重轮升离链轨面的距离不 应大于6 mm 3,8.2.2 测f平衡位置(对于轮胎式机器) 在特定载荷伸距时对机器产生的倾翻力矩，使侧臂对面的任一轮胎升离基准地平面的距离不应大 于2 mm, 3.8.2.3 测!平衡位置(对于安装有支腿的机器) 在特定载荷伸距时对机器产生的倾翻力矩，使侧臂对面的任一轮胎或支腿垫板升离基准地平面的 距离不应大于ZMM. 2 GB/T 19928- 2005

9 Measured balance point (see 3.8.2.1–3.8.2.3) 3.8.2.1 Measured balance point (for crawler machines) The overturning moment generated by the machine at a specific load and outreach shall cause the distance that any track roller on the opposite side of the boom lifts off the track rail surface to be no greater than 6 mm. 3.8.2.2 Measured balance point (for wheeled machines) The overturning moment generated by the machine at a specific load and outreach shall cause the distance that any tire on the opposite side of the boom lifts off the reference ground plane to be no greater than 2 mm. 3.8.2.3 Measured balance point (for machines equipped with outriggers) The overturning moment generated by the machine at a specific load and outreach shall cause the distance that any tire or outrigger pad on the opposite side of the boom lifts off the reference ground plane to be no greater than 2 mm. 2 GB/T 19928-2005

倾翻载荷tipping / tipping load

load 在特定载荷伸距达到了平衡位置时，在吊钩上施加的垂直载荷。 3. 10 钢丝绳 r ope 用于支承起重臂或起升载荷的钢丝绳，

load The vertical load applied to the hook when the specific load outreach reaches the equilibrium position. 3. 10 Steel wire rope rope Steel wire rope used to support the jib or hoist the load.

钢丝绳系数rope

factor 钢丝绳的断裂强度除以钢丝绳的载荷。 3. 12 牵引机构 draw works:(见3. 12. 1和3. 12. 2 ) 3. 12. 1 机械牵引机构mechanical draw works 用于起重臂变幅和提升钢丝绳运行的卷筒和机械驱动系统。

Factor The breaking strength of the steel wire rope divided by the load on the steel wire rope. 3.12 Traction mechanism Draw works: (see 3.12.1 and 3.12.2) 3.12.1 Mechanical traction mechanism Mechanical draw works A drum and mechanical drive system used for luffing of the boom and operation of the hoisting steel wire rope.

液压牵引机构hydraulic / hydraulic traction mechanism

draw works 用于起重臂变幅和提升钢丝绳运行的液压泵、液压马达、液压阀、液压管路和液压缸。

Hydraulic pumps, hydraulic motors, hydraulic valves, hydraulic pipelines, and hydraulic cylinders used for the luffing of the boom and the operation of hoisting wire ropes.

液压压)I

hydraulic pressure:(见3. 13.1和3.13.2) 3. 13. 1 工作回路压j7 working circuit pressur e 在规定回路中，由液压泵提供的标定压力。 3.

hydraulic pressure: (see 3.13.1 and 3.13.2) 3.13.1 Working circuit pressure The calibrated pressure provided by the hydraulic pump in a specified circuit.

保持回路压力holding / holding circuit pressure

circuit pressure 在规定回路中，由溢流阀限定的最大静压力，其流量不应大于回路额定流量的10%0 3. 14 起升机构的起孟A lift mechanism lift capacity 在吊钩处能起升的载荷，在特定的载荷伸距位置，通过由机械或液压驱动在牵引机构和(或)液压缸 的任一动作组合而产生的力(没有超出下列任何一个限值): — 倾翻载荷; — 任何一个回路的工作压力或保持压力; — 起升载荷或起重臂的钢丝绳系数。 起升机构的动力组合可能为: a) 载荷和起重臂起升钢24绳用机械牵引机构4 9动; h) 载荷和起重臂起升钢丝绳用液压牵引机构驱动; c) 载荷起升钢丝绳用机械牵引，而起重臂起升钢丝绳用液压缸的牵引; d) 载荷和起重臂的钢丝绳都用液压缸牵引。 起升机构的动力可按3. 14.工一3.14.3细分 3. 14. 1 机械牵引机构的起重f mechanical draw works lift

Circuit Pressure The maximum static pressure limited by the relief valve in a specified circuit, where the flow rate shall not exceed 10% of the rated flow rate of the circuit. 3.14 Lift Mechanism Lift Capacity The load that can be lifted at the hook, at a specific load radius position, generated by any combination of actions of the traction mechanism and/or hydraulic cylinder driven mechanically or hydraulically (without exceeding any of the following limits): — Tipping load; — Working pressure or holding pressure of any circuit; — Wire rope factor of the lifting load or boom. The power combinations of the lift mechanism may be: a) Mechanical traction mechanism for load and boom lift wire ropes; b) Hydraulic traction mechanism for load and boom lift wire ropes; c) Mechanical traction for load lift wire rope and hydraulic cylinder traction for boom lift wire rope; d) Hydraulic cylinder traction for both load and boom wire ropes. The power of the lift mechanism can be subdivided according to 3.14.1 to 3.14.3. 3.14.1 Lift Capacity of Mechanical Traction Mechanism

液压起旅f

hydraulic lift capaci ty 没有超出任何回路中的保持压力、倾翻载荷或钢丝绳系数时，在回路的工作压力下，液压牵引机构 和(或)起升液压能获得的起重量。

Hydraulic lift capacity The lifting capacity that can be obtained by the hydraulic traction mechanism and/or the hoisting hydraulic system under the working pressure of the circuit, provided that the holding pressure, tipping load, or wire rope factor in any circuit is not exceeded.

钢丝绳系数的起重f

rope factor lift capacity 钢丝绳系数不小于4所限定的起重量，或在特定的预防措施下，钢丝绳系数不小于25所限定的起 重量(见6，1.2)。 3. 15 额定起St rated lift capaci ty 没超出额定倾翻载荷的起重量、额定起升机构的起重量或额定钢丝绳系数时，能起升的最大载荷， 见第7章 3. 16 机器的S作质f operating mass of the machine;(见JB/T 3690-1999中2.4的定义) 注:如果在制造厂的技术条件中包括如推土铲或铲斗的工作装置，则确定工作质量时，这些工作装置应位于制造厂 推荐的运输位置

**rope factor lift capacity** The lift capacity limited by a rope factor of not less than 4, or, under specific precautionary measures, the lift capacity limited by a rope factor of not less than 2.5 (see 6.1.2). **3.15 rated lift capacity** The maximum load that can be lifted without exceeding the rated tipping load, the rated hoist mechanism capacity, or the rated rope factor (see Clause 7). **3.16 operating mass of the machine** (see definition 2.4 in JB/T 3690-1999) Note: If the manufacturer's technical specifications include working attachments such as a bulldozer blade or bucket, these attachments shall be positioned in the transport position recommended by the manufacturer when determining the operating mass.

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