吊车的种类：A．可移动式：汽车吊、履带吊、行吊等。B．固定式：码头吊、塔吊、龙门吊等。吊车这个名称是统一的一个称号。通常所说的吊车多指汽车吊、履带吊、轮胎吊。 [1]
Types of cranes: A. Mobile: truck crane, crawler crane, traveling crane, etc. B. Fixed type: dock crane, tower crane, gantry crane, etc. The name 'crane' is a unified title. The commonly used cranes refer to truck cranes, crawler cranes, and tire mounted cranes. [1]
安全指南
Safety Guidelines
1、超载或被吊物重量不清不吊；
1. Overloading or unclear weight of the lifted object shall not be lifted;
2、指挥信号不明确不吊；
2. Do not hoist if the command signal is unclear;
3、捆绑、吊挂不牢或不平衡，可能引起滑动不吊；
3. Loose or unbalanced binding or hanging may cause slipping and not lifting;
4、被吊物上有人或浮置物时不吊；
4. Do not lift when there are people or floating objects on the suspended object;
5、结构或零部件有影响安全工作的缺陷或损伤时不吊；
5. Do not lift when there are defects or damages in the structure or components that affect safe operation;
6、遇有拉力不清的埋置物件时不吊；
6. Do not lift buried objects with unclear tension;
7、工作场地昏暗，无法看清场地、被吊物和指挥信号时不吊；
7. Do not lift when the workplace is dark and unable to see clearly the site, suspended objects, and command signals;
8、被吊物棱角处与捆绑钢丝间未加衬垫时不吊；
8. Do not lift when there is no padding between the edges and corners of the suspended object and the binding steel wire;
9、歪拉斜吊重物时不吊；
9. Do not lift when pulling or lifting heavy objects at an angle;
10、吊车保险装置不齐全，不可靠不吊等。 [2]
10. The safety device of the crane is not complete, and it is unreliable and cannot be lifted. [2]
汽车吊
Truck crane
汽车吊俗称为随车吊，随车吊的概念是把汽车和吊机相结合，可以自行形式不用组装直接可以工作。
The truck crane is commonly known as the truck mounted crane, and the concept of the truck mounted crane is to combine the car with the crane, which can work in its own form without assembly.
优点是方便灵活、工作效率高、转场快、提高工作效率。
The advantages are convenience and flexibility, high work efficiency, fast transition, and improved work efficiency.
缺点是受地形限制、大型设备（1000-2000kg）不能完成。（随车吊最大吨位20吨）。
The disadvantage is that it is limited by terrain and cannot be completed by large equipment (1000-2000kg). (The maximum tonnage of the truck mounted crane is 20 tons).
履带吊
Crawler crane
履带吊是履带起重机的简称，是一种下车地盘是履带行走机构，靠履带行走的吊车。
Crawler crane is the abbreviation of crawler crane, which is a type of crane with a crawler walking mechanism on the landing platform and relies on the crawler to walk.
优点是起重量大，可以吊重行定网站建设  伺服液位仪  防撞墙模具 唐山护栏 遮阳网 走。具有较强的吊装能力。
The advantage is that it has a large lifting capacity and can be lifted for walking. Has strong lifting ability.
缺点是拆装麻烦，起重臂不能自由伸缩，局限性太强。适合大型工厂，在厂区内工作。
The disadvantage is that it is difficult to disassemble and assemble, and the lifting arm cannot freely retract, resulting in strong limitations. Suitable for large factories, working within the factory area.