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Introduction to YZ12 Vibration roller
Literature
The first section Major technique characteristic
Z Vibration, and turned to the three major systems for hydraulic transmission, hydraulic pumps and three systems into one, directly by the engine crankshaft output through elastic coupling-driven pump, and then by the various control components control the system of the motor or cylinder, so that all systems running.
Z Has four walking speed, realize stepless speed in every document, a document for 0~6.5km/h, second gear for 0~8.6km/h, third gear for 0~10.2km/h, four 0~12.5km/h, can guarantee the speed of the rollers in a variety of conditions to make the best compaction jobs, and can travel at faster speeds. Vibration bearing life and z in order to improve reliability, this machine uses a unique design: high-precision, forced lubrication of vibrating wheel.
Z Vibration system with dual-frequency, dual-site functionality, can be effective compaction of different types and thickness of paving material.
Z This vibration reduction of a four-level structure, making the vibration mode in real time, adverse effects on the crew reduced to a minimum. Coupled with the comfortable and bright cabs equipped with air conditioning, creating an ideal working environment for drivers.
Z Has a maintenance-free Central hinged device that does not require lubrication.
Z This machine is used in diesel engines, hydraulic pumps, motors and axle components are internationally famous excellent products, so as to ensure that the roller technology advancement and reliability.
Z This machine belongs to super heavy in China's standard of vibratory road roller, for high-grade Highway, railway, airport, dam, terminals, a high standard of subgrade engineering compaction operations. Compaction of z has a unique ability, max power 56800kg, good compaction effect.
Z The overall opening of panels, all readily available and maintenance points.
Z Centralized, external hydraulic pressure points, making hydraulic systems testing, maintenance more convenient.
Z Complete safety protection device, so that operators are fully guaranteed.
The second section The overall structure
YZ12 type vibration on the roller make use of the wheel of the vibration on the road is compacted, and it has sufficient ability to carry, and reduces through water.YZ12-vibration road roller hydraulic control, two-wheeled, single steel wheel, self-propelled structure.
This machine vibration wheel parts and vehicle parts including two units, articulated through the Center articulated frame between them together. This machine adopts articulated steering, to improve its performance and mobility. Part including drum vibratory wheel Assembly, front frame Assembly (including scraper) and other parts. Vibration round of the eccentric shaft via elastic coupling and vibration of motor shaft is connected to, supplied by a hydraulic pump vibration in pump high pressure oil to the vibration motor drives eccentric shaft rotate and generate powerful centrifugal force. Frequency and amplitude of vibration can be adjusted by hydraulic system control, to meet the requirements of different operating modes. In addition, the drum also has walking function. By the hydraulic pump high pressure oil pump output-driven vibration in hydraulic motor rotation of the wheel on the left, thus driving vibration wheel driving.
To reduce and even eliminate the adverse effects of vibration on driving car and driver, in the first frame after frame and vibration between wheel and cab and are equipped with a vibration reduction between buffer damping blocks.
Driving car parts are rollers and pressure oil supply three system power source. Engine, drive and vibration and steering system, control device, the control room, electrical system, security protection devices are installed in the car.
The third section Hydraulic system
Road roller hydraulic system in hydraulic system contains three main subsystems, the vibration of hydraulic system, hydraulic system and steering hydraulic system. Three pumps, vibration, steering the triple combination pumping. Walking pump with a gear pump in back tax and penalties as a hydraulic system pump, at the same time, also provide pressure to the brake cylinder oil. II. driving hydraulic system with a dual-motor pumps consisting of parallel closed-circuit.
System operating pressures up to 40MPa. Driving pump for the variable displacement piston pump, piston driving motor for variable before, it constitutes the best combination and planetary reducer.
Drive motor is also variable piston after, enter the end connected to the gearbox and rear axle assemblies. Pump to control the angle of oblique to change high pressure oil flow and direction, so as to change the direction of travel of the machine and speed; variable piston by electromagnetic valve with two oblique angle, so that the machine has four speeds, to meet the needs of different operating conditions. III. vibration of hydraulic system of vibratory hydraulic system is made up of single pump Dan Mada closed hydraulic circuit, maximum working pressure of the system is 38MPa. Vibration pump for variable inclined plate piston pump, vibration motor for quantitative inclined axis piston.
By manipulating electromagnetic valve, you can make the vibration of pumps swashplate with opposite two variable oblique angle, so that different direction and flow of high pressure oil pump output, vibration motor with resulting different steering and speed to vibrations at different frequencies and amplitudes vibration.
Four steering steering hydraulic system using open-circuit hydraulic system, the system working pressure 16MPa. By steering pump, hydraulic steering gear, two steering cylinders and tubing and other components. Steering pump gear pump. Five hydraulic system of hydraulic control system and accessories also include integrated control valve block, collection block, and tanks, filters, coolers, accessories. Hydraulic brake oil of systems at the same time for the braking system provides.
The fourth section Drive system system
Drive system system is composed of driving hydraulic system, rear axle Assembly. I. driving pump, driving motor driven pump and motor function in the hydraulic system has been introduced.
Triple, vibration, steering pump through elastic coupling connection on the fly-wheel of the engine.Hose connection for driving pumps and motors. Rear axle drive motor connections on the rear axle Assembly gear reducer, input power drive rear axle drive shaft rotation after; vibration wheel-drive motor with planetary gear reducer constitute one connection in plum of vibratory wheel on plate Assembly, powered by the motor to the plum blossom plate Assembly, Phillips-driven plate Assembly vibration wheel rotation. In order to reduce and even eliminate the adverse effects of vibration on driving cars and drivers, plum blossom plate Assembly and connection of vibration between wheel is equipped with imported high quality damping blocks. II. rear axle Assembly rear axle Assembly by reducer, wet multiple brakes, Central planetary reducer transmission, drive axle, wheel, wheels and other components. III. low pressure wide cross section of OTR tire tire assembly tire.
Specifications for 23.1 per cent, inflation pressure 1.1kgf/cm2.
The fourth section Vibration wheel assembly
Vibrating wheel assembly of vibratory wheel assembly eccentric of vibratory wheel axis, amplitude modulation device, vibration, vibrating wheel vibration of driven motor, bearings, vibration motors, mobile support, housings, plum flower plate, left and right connection brackets and so on.
I. vibratory wheel of vibratory wheel diameter of 1600mm, width 2170mm. Vibrating wheel plate rolling body butt into its round smooth, uniform wall thickness, can ensure the vibration compaction effect uniform, preferably in the pavement of compaction effect and can be used as static compacted solid. Body cavity loaded vibratory wheel bearings, eccentric axis, amplitude modulation device, this sealed Chamber containing Mobil-629 Mobil gear oil.
II. eccentric shaft eccentric shaft vibration generators, machine vibration is generated by vibration motor drives eccentric shaft high speed rotation. One end of the eccentric shaft and the vibration motor connected, change the Rotary to can change the amplitude of the vibration motor.
III. amplitude modulation device amplitude modulation device mounted on the eccentric shaft, set role of amplitude. Location of the device by changing the amplitude modulation and amplitude modulation block, achieve the purpose of adjusting the amplitude. Amplitude modulation device is a sealed cylindrical welded structures.
IV. damping blocks in order to mitigate the effects of vibration on the frame, the vibration between wheel and front frame with rubber vibration blocks.
V. vibration-wheel-drive motor and reducer vibration-wheel-drive motor, reducer and stand together in front on the frame, gear box output connection on the clubs Board, powered by the motor output shaft to the gear, and then to the plum blossom, plum blossom again to vibrating wheel, driving vibration wheel rotation.
VI. vibration support both ends of the eccentric shaft, walking through the vibration of the bearing on the bearing in the housing, vibration motors by supporting components supported on the right bearing seat. Vibration bearing Sweden SKF bearing or Germany FAG bearing. Walking support assemblies for maintenance-free structure.
The sixth section Steering system
Steering system steering with articulated steering, mainly from the steering gear pump, hydraulic steering gear, two steering cylinders, pressure tubing and other components. Hydraulic steering system installed on the rear frame, through the Steering cylinder telescopic control of vehicle steering.
The seventh section Braking system
Braking system in order to ensure the safety of roller working and traveling, YZ18C braking systems equipped with braking, parking brake and emergency brake three.
I. driving brake brake with hydraulic brake. Hydraulic brake controlled by moving the joystick to achieve. Joystick control of control valves back into position, motor driven pump supplying driving traffic to zero, the rollers stop.
II. parking brake and emergency brake when the roller is traveling or working, rear axle and front drive reducer valve control normally closed on multiple pieces of brake is on, without braking effect. When the roller is stopped, several pieces of brake friction locking through a spring force, in a State of braking. Emergency braking is mainly hydraulic servo brake, supported by a mechanical brake. After the emergency brake buttons is pressed, driving pumps swashplate immediately return to zero and hydraulic brake; Meanwhile, gearbox and rear axle brakes also promptly produce precursor braking effect.
Note: in State of emergency shall not be used for emergency braking, especially in the fast-running state.
The eight section Frame
Center of the frame after the frame including the former frame, articulated frame in three parts. Connecting them into a hinged support the upper structure of the machine as a whole.
I. in front of the frame by the scraper before box after box before the Assembly, Board, boards, two side panels and other components. Its main functions are supporting vibrating wheel assembly. For the first frame structure of a typical boxes, combination of high strength steel plate, with sufficient strength and rigidity to resist strong impact force and torque of roller working. Scraper to scrape adhesion under the soil on the drum. Scraper front-end and vibrating wheel clearance of cylindrical surface can be adjusted.
II. after frame after frame fuel tank, protection against roll frame, hydraulic tanks, hydraulic tank supports, panels, frames and other components. Its main function is to support the engine and the cab, fixed rear axle. After the frame of the structure of a rectangular box, front and Center articulated frame in vertical shaft and attached to the front plate, followed by the Assembly of the fuel tank, the middle is grooved steel frame. In order to ensure strength, weak parts of strengthening ribs to strengthen, and trough steel plate with seal sealed into a box girder structure. Rear axle at the bottom plate with bolts and rear axle Assembly of rigid connection. To reduce the effects of vibration, between the engine and rear frame with elastic damping blocks, and you can easily adjust the engine to a horizontal position.
III. Centre pinned by articulated frame Center articulated frame, shaft end bezel, ball bearings and other components. Through it before and after the frame articulated into a whole, can swing around implementation steering and front frame. Through the extension of control to the fuel tank to control the steering angle. Machine frame allow horizontal relative swing between before and after, not more than ± 15 ° swing angle, this roller can be stable on uneven pavement and compaction work. In order to facilitate maintenance, spherical bearing lubrication radial spherical plain bearing.
The nine section Cab and control systems
Cab and cab full sealing damping control system structure, installing air-conditioning, comfortable operation reliable, stylish magnificent and mighty generous, Interior elegance and bright, and achieves the domestic advanced level. Driver indoor joysticks, steering wheels, driver seat, placement of monitor instrument in full compliance with the principles of ergonomics. Driver seat height can lift, can move back and forth, back angle can also be adjusted. To reduce and even eliminate influence of vibration, between the cab and rear frame damping device equipped with high quality, before and after the cab is equipped with wiper.
The tenth section Electrical systems
Electrical systems including batteries, DC motor, three-phase AC generator, lighting and electrical instruments, monitoring and control instruments, safety components, sound and light alarm installations. Electrical components adopt imported famous international brands. System voltage is 24V, negative ground, lines introduce a single system. Instruments, instrument panels, lamps, and other configuration achieves the domestic advanced level.
The 11th section Festival safety protection
YZ12-vibration road roller has a comprehensive safety device z equipped with roll protection device (ROPS).
Z articulated fixed security bar: roller unloading ship or when long time reset fixed articulated frame.
Z-start locking device when long time reset fixed articulated frame.
Z-start locking device: when the roller of the joystick is in stall or high and low frequency select switch is not in the 0 position could not start the engine.
Z is equipped with emergency braking device.
Z cover pieces opened automatically protection device: Dang cover pieces in manually hydraulic pump role Xia up opened Shi, security protection device can prevent cover pieces accident whereabouts, dang maintenance end to lowered cover pieces Qian, will manually hydraulic pump above of soft axis manipulation device pull, cover pieces can in pump role Xia by oil cylinder will of pull Xia, cover pieces closed Hou will soft axis manipulation device promoting to. (Note: lowered panels must be pulling the flexible Manipulator. )
The 12th section By the security procedures
Try not to was still vibrating, implementation is not allowed in the hard ground vibration, on the machine.
Z rollers are not allowed to exceed its allowed on climbing the ramp.
Z on the muddy roads, although the ramp slope is less than allowed for climbing, but when there are no slip-proof measures, you may not use this machine.
Z solid enough, or when there is a pit in the ground, shall not use this machine. At the edge of the ditch or slope, also shall not use this machine.
Z travel and construction should be open before and after the lamp lighting at night.
Z while working on a rainy day, in order to ensure visibility, use front and rear wiper.
Z to avoid inadvertently overturned while working at the edge of the slope, not swerved. Z in the rain, you should try to avoid vibration compaction jobs at the edge of the slope. Due to vibration will increase the risk of both taxi.
Z roller in open cover parts for maintenance, security note head.
The 12th section Transport and handling safety requirements
Safety requirements for transport and handling under normal circumstances, roller not long distance at high speed. Long distance (30 km) when moving site, need towing equipment shipment.
I. Transport whether it be road or railway transport, road roller selection must have the appropriate volume of transport vehicles and loading capacity. Transport, frames before and after fixed with hinged safety Rod should be connected together, and also to take the necessary measures to prevent the rollers sliding and rolling.
II. handling when loading and unloading roller, loading and unloading tools must have sufficient bearing capacity. When you use a cable car loading and unloading roller, using Center articulated frame fixtures must first be fixed when using large flat hook lift, to ensure that the rollers remain flat state after lifting.
From 《YZ12 Vibration roller instructions》in Zomlion
YZ12振动压路机的介绍
文献
第一节主要技术特点
Z 行驶、振动和转向三大系统均为液压传动，且三个系统的液压泵连成一体，由发动 机曲轴输出端通过弹性联轴器直接驱动各泵，然后由各控制元件控制各系统的马达 或油缸，使各系统运转。
Z 有四个档，各档都是无级调速，一档0~6.5km/h，二档0~8.6km/h，三档0~10.2km/h，四档0~12.5km/h，这样能保证压路机在保证压实作业的同时以较佳最快的速度行驶。
Z 本机采用了独特的设计思想：高精度强制润滑的振动轮以提高振动轴承的寿命和可靠性。
Z 具有双频双幅的振动系统可有效的压实不同种类及厚度的铺料层。
Z 本机采用四级减振结构，使得在振动压实时对成员的不利影响减小到最低。再加上装有空调的舒适明亮的驾驶室，为驾驶员提供了理想的工作环境。
Z本机采用的柴油机、液压泵、马达和后桥等元件，均为国际知名的优秀产品，从而 确保压路机的技术先进性和工作可靠性。
Z本机属于我国振动压路机标准中的超重型压路机，适用于高等级公路、铁路路基、机场、大坝、码头等高标准工程压实作业。
Z具有与众不同的压实能力，最大压实力达 56800kg，压实效果好。
Z 整体的覆盖件使维修更为方便
Z 集中外置的液压测压点使得液压系统的检测维护更为方便。
Z 完善的安全保护装置使操作者的安全得到充分的保障。
第二节 总体结构
YZ12型压路机充分利用其振动轮的振动将路面压实，使其具有足够的承载能力，并且减少渗水。YZ12振动压路机采用液压控制的双轮驱动，单钢轮自行式结构。
本机包括振动轮和机身两部分，通过中心绞架将两部分铰接在一起。本机采用铰接式转向以提高其机动性能。振动论部分包括振动轮总成，前车架总成（包括刮泥板）等部件。振动轮内的偏心轴通过弹性联轴器与振动马达相连，由液压泵组中的振动泵给振动马达供应高压油带动偏心轴旋转产生强大的激振力。振动频率和振幅可以通过液压系统的控制进行调整以满足不同工况的要求。
此外振动轮还具有行走的功能。由液压泵组中的行驶泵输出的高压油驱动振动轮左边的液压马达旋转，从而驱动振动轮行驶。
为减轻乃至消除振动对驱车部分及驾驶员的不利影响，在前车架与振动轮之间以及驾驶室与后车架之间都装有起减震作用的减振块。
驱动车部分是压路机行驶和三大系统压力油提供的动力源。启动，行走，振动和转向系统，控制装置，控制室，电力系统，安全预防装置都位于驱动车部分。
第三节 液压系统
一 压路机液压系统包括三个重要的子系统，振动液压系统，液压系统和转向液压系统。驱动泵，振动泵和转向液压泵组成三联组合泵。 驱动泵包含一组安装在后负重体中的齿轮泵作为液压泵，同时，也为制动油缸提供液压油。
二 行驶液压系统采用双马达泵组成的并联闭式回路。系统工作压力可达40MPa。行驶泵为变量柱塞泵，前行驶马达为变量柱塞马达，它与行星减速器构成最佳组合。后行驶马达也是变量柱塞马达，与后桥总成输入端的减速器相连。
行驶泵通过控制斜盘的角度来改变高压油的流量和方向，从而改变机器的行驶方向和速度；变量柱塞马达通过电磁阀控制使其具有两种斜盘角度，从而使机器具有四档速度，以适应不同工况的要求。
三 振动液压系统 振动液压系统是由单马达闭式液压回路组成，系统的最大工作压力为38MPa。振动泵为易变的斜盘式柱塞泵，振动马达为不变的斜轴式柱塞。
你可以朝着两个不同的方向改变振动泵冲压盘的倾斜角通过操控电磁阀，因此高压油泵可以向不同的方向提供不同流量的高压油，振动马达也可以获得不同的转向和速度，同时以不同的频率和幅度振动。
四 转向液压系统 利用开环液压系统，系统的工作压力为16MPa。由转向泵，液压转向齿轮，两个转向油缸和油管及其他部件组成，转向泵为齿轮泵。
五 液压控制系统及附件 液压系统还高阔控制阀块、集流块以及邮箱、过滤器、冷却器等附件。同时液压系统还为制动系统提供松刹油。
第四节 行驶系统
行驶系统是由行驶液压系统，齿轮轴组成的。
一 驱动泵，驱动马达 驱动泵以及马达的功用在液压系统中已经介绍。行驶、振动、转向三联泵通过弹性联轴器连接在发动机的飞轮上。驱动泵和驱动马达由软管连接。后桥驱动马达连接在后桥齿轮总成的齿轮减速器上，输出能量驱动后桥驱动轴旋转；振动轮马达与行星齿轮减速器构成一体连接在振动轮梅花板总成上，动力通过马达传递给梅花板总成，梅花板总成带动驱动轮旋转。为了减少甚至消除驱动车和驾驶员因振动带来的不利影响，在梅花板与振动轮之间安装有高品质的进口减振块。
二 后桥总成 后桥总成由减速器，湿盘多片式刹车片，中央行星减速器传动，驱动桥，车轮，以及其他部件组成。
三 轮胎总成 轮胎采用低压宽断面工程机械轮胎。规格为23.1-26，充气压力1.1kgf/cmcm。
第五节 振动论总成
振动轮总成由振动轮体，偏心轴，调幅装置，减振块，振动轮驱动马达，振动轴承，振动马达，行走支撑，轴承座，梅花板，左右连接支架等组成。
一 振动轮体 振动轮直径为1600mm，轮宽2170mm。振动轮滚动压实面的光滑，一致的轮壁厚，可以保证压实效果的均衡，在人行道的压实以及固体的静压实中有较好的效果。振动轴承，偏心轴，调幅装置，629号齿轮油都安装在振动轮体的密封空腔中。
二 偏心轴 偏心轴振动发生器，机械振动是由振动马达驱动偏心轴以高速旋转产生的。偏心轴与振动马达连接产生的一种结果就是旋转会改变振动马达的振幅。
三 调幅装置 调幅装置安装在偏心轴上，充当着调幅的角色。通过改变调幅块和调幅装置整体的位置来实现调幅的目的。调幅装置是圆柱形焊接结构。
四 减振块 为了减轻振动对机架的影响，在振动轮和前车架之间安装有橡胶减振块。
五 振动轮驱动马达和减速器 振动轮驱动马达，减速器和车架一起固定于前车架上，减速器的输出盘连接在梅花板上，动力由马达输出传到减速器，再传到梅花板，梅花板再传到振动轮，驱动振动轮旋转。
六 偏心轴两端由振动轴承支撑在轴承座上，振动马达通过行使支撑组支撑在又轴承座上。振动轴承采用瑞典skf轴承或者德国fag轴承。行走支撑组件为免维护结构。
第六节 转向系统
转向系统转向采用铰接转向，主要由转向齿轮泵、液压转向齿轮、两个转向油缸，油压管等部件组成。液压转向系统安装在后车架上，通过转向油缸控制车辆转向。
第七节 刹车系统
刹车系统以确保压路机在工作和行走时的安全，YZ18C型压路机装配有行车制动，停车制动和紧急制动三种。
一 行车制动 行车制动依靠液压制动。通过扳动操纵杆实现液压制动。操纵杆控制的控制阀门归位，马达驱动泵提供动能为零，压路机停止前进。
二 停车制动和紧急制动 当压路机在行驶或者工作时，后桥和前驱动减速器阀门与常闭式制动片都开启，不起制动作用。当压路机停止时，制动片依靠制动弹簧锁紧，处于制动状态。当紧急制动按钮按下后，驱动泵斜盘直接归零并且液压制动；与此同时，齿轮箱和后桥制动也立刻起到前期制动效果。
后记：当情况紧急不得不采用紧急制动的时候，尤其是在高速行驶的时候。
第八节 车架
车架是由中心车架，铰接车架和前车架三部分组成的。这三部分组合成一个整体共同支撑着机器的上部结构。
一 前车架由刮泥板总成、前框板、后框板、两块侧板等组成。它的主要功用是支撑振动 轮总成。前车架为典型的方框结构，采用高强度钢板组合而成，具有足够的强度和刚度抵 抗压路机工作时的强冲击力和扭矩。刮泥板用以刮下粘在振动轮上的泥土。刮泥板前端与 振动轮外圆表面的间隙可以调节。
二 后车架
后车架由燃油箱、防滚翻保护架、液压油箱、液压油箱支架、覆盖件、框架等组成。后车架最主要的作用是支撑发动机和驾驶室，固定后车桥。后车架为一长方形状，前面是和中心铰接架连接的立轴和挡板，后面是燃油箱总成，中间是槽钢架。为了保证其强度，薄弱部位采用加强肋加强，而且槽钢用封板封成箱型梁结构。螺栓和后桥总成刚性连接底部后桥支板。为了减小振动产生的影响，发动机和后车架之间设有弹性减震块，同时又可方便将发动机调整到水平位置。
三 中心铰接架
中心铰接架由铰接架、轴端挡板、球形轴承等组成。由它将前后车架铰接在一起，可以实现驾驶室与前车架之间的转换。通过对燃油箱控制的延伸来实现对转向角的控制。机架水平悬挂在前后车架之间，不超过± 15 °的倾斜角，这样压路机可以稳定的在不平坦的人行道上进行压实作业。为了便于维修，球型轴承采用滚珠轴承。
第九节 驾驶室和操控系统
驾驶室是由完整的阻尼减振系统，安装有空气处理器，舒适的可靠的操作杆，华丽时髦而且强有力，内部高雅明亮，达到了国内先进水平。驾驶员操纵杆，方向盘，座椅，监控器的安装都完全符合人类工程学的原则。座椅可以调高，前后移动，后背倾角也可以调整。为了减小甚至消除振动的影响，在驾驶室与后车架之间安装有高质量的阻尼减震器，在驾驶室前后都安有滑片。
第十节 电气系统
电力系统包括电池，直流马达，三相交流发电机，光电设备，监控设备，安全部件，声光报警设备。电气部件采用进口的著名国际品牌。系统电压为24V，负极接地，采用单线系统。仪表，仪表操纵版，灯具，和其他的配置都达到国内先进水平。
第十一节 安全防护装置
YZ12振动压路机有成套的安全装置，设有防滚翻保护装置（ROPS）
Z 固定铰接的安全栏：压路机装卸发运或长期停置时固定铰接架用。
Z 起动闭锁装置：当压路机的行驶操纵杆处于行驶档位或高低频选择开关不处于 0 位时不能起动发动机。
Z装有紧急制动装置。
Z覆盖件开启自动保护装置：当覆盖件在手动液压泵作用下向上开启时，安全防护 装置能防止覆盖件意外下落，当维护结束要降下覆盖件前，将手动液压泵上方的 软轴操纵器拉出，覆盖件能在油泵作用下由油缸将之拉下，覆盖件闭合后将软轴 操纵器推进去。（注意事项：降下覆盖件前必须将软轴操纵器拉出。）
第十二节 压路机操作安全规程
Z 尽量不要在静止时实施振动，不允许在坚硬的地面上进行振动，以免损坏机器。
Z 不允许压路机在超过其允许爬坡度的坡道上行驶。
Z 在泥泞道路上，虽坡道的坡度小于允许的爬坡度，但没有防滑措施时，不得使用 本机。
Z 在地面不够坚实或有坑穴时，不得使用本机。在沟渠或斜坡的边缘，亦不得使用 本机。
Z 夜间行驶和施工应开启前后大灯照明。
Z 在雨天工作时，为保证能见度，请使用前后雨刮。
Z 为避免意外翻车，在斜坡边工作时，不要突然转向。
Z在雨天，应尽量避免在斜坡边进行振动压实作业。因振动会增加向两边滑行的危 险。
Z 压路机在开启覆盖件进行维护时，请注意头部安全。
第十三节 运输和卸载安全要求
一般情况下，压路机不的长途高速行驶。远距离（30公里以上）转移工地时，需用托运机具装运。
一 运输 无论是公路还是铁路运输，压路机选择时必须有适量的运输器械和载荷能力。运输，前后车架由安全铰链连接在一起，并且采取必要的措施防止压路机滑移和滚翻。
二 卸载 当压路机装卸时，装卸工具必须有充足的装载能力。当用缆车装卸压路机时，当用挂钩吊起压路机时必须将中央铰接车架固定，以确保压路机在吊起时保持平稳。
来自中联重科的《YZ12振动压路机说明书》。
