发成碰撞时，通过牵引和张紧安全带圈带，肩带张紧装置补偿安全带松动和胶片卷轴效应。
When a collision occurs, the shoulder belt tightener compensates for "belt slack" and "film-reel effect" by retracting and tightening the belt strap.
由于使用三点式安全带，张紧装置改进了安全带的约束能力，而且保护乘客免受伤害。
With three-point seat belts, the tighteners improve the belts restraining capabilities and protect the occupants against injury.
说明了皮带自动张紧装置的工作原理，带蓄能器的动力源能缓冲系统压力变化，从而使皮带的张紧力保持稳定。
The work principle of belt tensioning device is explained. Power source incorporating accumulator can damp pressure variation of the system, hence to keep the stable tension of the belt.
液压张紧装置可使带式输送机启动平稳，可有效地保护输送机和输送带。
Hydraulic pressure strain device makes belt conveyor start steady, and it can protect belt conveyor and belt.
根据带式输送机的工作特点及要求，文章介绍了一种带式输送机张紧保护装置的设计原理和方法。
According to the working features and requirements of the belt conveyor, the paper introduced the design principle and method of the tension protection device of the belt conveyor.
针对长距离可伸缩大型带式输送机的工作特点，设计了一种自动张紧装置。
According to the working feature of the elastic belt conveyor, an automatic tensioning device is designed.
该张紧装置结构简单、维护方便，并且能够实现长距离带式输送机的张紧要求。
The tensioning device structure is simple, easy maintenance, and to achieve long belt conveyor take-up requirements.
随着煤矿带式输送机长度的增加和阻燃整芯输送带的伸长量增大，现有的张紧装置难以适应这种输送带张紧的要求。
With the increasing of the length of belt conveyors and the using of burning-proof belts. The existing take-up cannot meet the needs of belt tension for the stretching amounts of the belt increase.
通过近水平和上运大型带式输送机制动工况和起动工况的张力分析，明确了制动装置位置对输送带张紧力的影响，进而提出大型输送机制动与张紧装置的优化布置方法。
According to the belt tension analysis of the large near-horizontal and upstroke conveyor during braking and starting, this paper gives the effects of brake location on the take-up tension.
丰田公司说，在日本报告过一宗由于错误的安全带设计导致的火警案例，这样的设计可能会在安全带张紧装置因汽车碰撞而启用时引起噪音吸收装置融化。
One case of fire was reported in Japan due to the faulty seatbelt design, which could cause a noise-absorber device to melt when the seatbelt tensioner is activated in a collision, Toyota said.
基于带传动在稳定工作时的受力平衡，从理论上导出了摆架式自动张紧装置所产生的张紧力的计算公式。
Calculation formula of the tension caused by an automatic swaying belt tightener is derived theoretically according to the force balance of stable operation of belt driving.
基于带传动在稳定工作时的受力平衡，从理论上导出了摆架式自动张紧装置所产生的张紧力的计算公式。
Calculation formula of the tension caused by an automatic swaying belt tightener is derived theoretically according to the force balance of stable operation of belt driving.
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