4.勾臂垃圾车采取电液自锁装置，油泵依靠取力器取力，向各回路油缸提供压力油，多路阀

则通过换向，控制压力油的流向，从而控制各回路工作                                                                                                                                                                                                                        5.5.勾臂垃圾车的系统由拉臂回路.    车厢回路.锁紧回路和支撑回路组成.集装载.运输.自卸于一身.无需设备。                                                                                                                                                                                                                                      专业生产污水处理车.环卫车.洒水车.扫路车.垃圾车等多种车 型.   提供车型配置报价等咨询。