一。垂直吊装重物滑车它属于简单起重机械。由于他的自重小，价格低廉，结构紧凑，使用方便，受广大使用者的喜爱。这种滑车他分为手动和电动两种。
A. Vertical lifting tackle it belongs to a hoisting machinery. Because of his small weight, low cost, compact structure, convenient use, by the majority of users love. The block he divided into manual and electric two.
① 手动滑车。由人工使用力气拽动曳引链，通过蜗杆蜗轮驱动链卷筒，使重物升降。采用载重自制式制动器，载荷越重制动力矩越大，安全可靠。工作范围为挂钩下的一条垂直线。尼龙轮铝板起重滑车用途：适用于起吊杆塔、架线、吊装设备及带电作业等。特点：自重轻，轮子耐磨性好，对钢丝绳、绳索不损伤。形式有钩式、环式、单开门、双开门。
Manual block. By using the strength of artificial tugs towing chain, through the worm and worm gear drive chain drum, so that the weight lifting. Using self-made brake load, load heavier brake torque is, safe and reliable. The scope of work to a vertical line hook under the. Nylon wheel plate lifting tackle application: suitable for hanging rod tower, stringing, lifting equipment and charged operation etc.. Features: light weight, the wheel has good abrasion resistance, no damage to the wire rope, rope. Form of hook type, ring type, single door, double door.
② 电动滑车。由电动机驱动齿轮传动机构、钢丝绳卷筒和吊钩滑轮，使重物升降。其壳体内为钢丝绳卷筒，与电动机和带制动器的齿轮传动机构相联。中间壳体上部有吊耳。挂定后可垂直吊装重物。也可将滑车挂在运行小车上，成为运行式载重小车，沿架空轨道行驶，在车间内部或车间与车间之间运送物料。
The electric hoist. Driven by a motor gear transmission mechanism, a wire rope reel and the hook pulley, the weight lifting. The casing is a steel wire rope winding drum, brake and motor and the gear transmission mechanism is connected with. The upper part of the shell is a middle lug. After lifting hanging vertical. Can also be pulley hanging in the running car, become the operation type trolley, running along the overhead rail, transportation of materials between the inside of the workshop or workshop and workshop.
二。 滑车按轮数的多少分为单门滑车、双门滑车和多门滑车。按滑车与吊物的连接方式可分为吊钩式滑车、链环式滑车、吊环式滑车和吊架式滑车四种。一般中小型的滑车多属于吊钩式、链环式和吊环式，而大型滑车采用吊环式和吊梁式。按轮和轴的接触不同可分为轮轴间装滑动轴承及滚动轴承两种。按夹板是否可以打开来分，有开口滑车和闭口滑车。开口滑车的夹板是可以打开的，便于装绳索，一般的都是单门滑车，它常用于扒杆底脚处作导向滑车用。滑车按使用的方式不同又分为定滑车和动滑车。
Two. According to the number of the pulley wheel is divided into single door, double door pulley and multi pulley pulley. According to connection with hanging pulley can be divided into hook type pulley, chain pulley, pulley and pulley rings type hanger type four. Block the small and medium-sized belongs to the hook type, chain type and ring type, and the large pulley using ring style and crane beam. According to the wheel and axle contact can be divided into different axle is arranged between the sliding bearing and rolling bearing two. According to the splint whether can open to points, with an opening and closed pulley pulley. Splint snatch block can be open, convenient assembly and rope, are generally a single block, it is used to derrick footing for guide pulley with. Pulley and divided into fixed pulley and the movable block by using different ways.