高速高铁路基施工中，路基改良土拌合施工已是常态，路拌机在使用中操作规程如下

In the construction of high-speed railway subgrade, the mixing of subgrade improved soil has become the norm. The operating procedures for the road mixer in use are as follows

一、作业前的准备

1、 Preparation before homework

1.内燃机部分，按通用操作规程的有关规定执行。

1. The internal combustion engine shall be operated in accordance with the relevant provisions of the general operating procedures.

2.详细了解施工路段的拌和深度、宽度、添加剂量以及其他有关施工技术要求。

2. Gain a detailed understanding of the mixing depth, width, dosage, and other relevant construction technical requirements for the construction section.

3.履带式拌和机按履带式机械的规定进行常规检查与准备。轮胎式拌和机应检查轮胎是否完好，气压是否符合规定要求。

3. The crawler mixer shall undergo routine inspection and preparation according to the regulations for crawler machinery. The tire mixer should check whether the tires are intact and whether the air pressure meets the specified requirements.

4.检查拌和机的连接部位有无松动情况。

4. Check if the connection parts of the mixer are loose.

5.根据不同的拌和材料，选装合适的拌和齿。更换拌和齿时，应将转子升到一定的高度，并用方木垫实，转子插上保险销后，方可进行作业。

5. Select suitable mixing teeth according to different mixing materials. When replacing the mixing teeth, the rotor should be raised to a certain height and compacted with square wood. After inserting the safety pin into the rotor, the operation can be carried out.

6.启动发动机，使转子空转进行动态观察。

6. Start the engine and let the rotor idle for dynamic observation.

二、作业中的要求

2、 Requirements in homework

7.拌和作业时，先将转子提起，离开地面空转，再慢慢下降到拌和深度后进行拌和作业。

7. When mixing, first lift the rotor and let it idle off the ground, then slowly lower it to the mixing depth before starting the mixing operation.

8.在拌和过程中，不能急转弯或原地转向，遇到底层有障碍物时，应及时提出转子，并进行检查和处理。

During the mixing process, it is not allowed to make sharp turns or turn in place. When encountering obstacles at the bottom, the rotor should be promptly removed and inspected and handled.

9.严禁使用倒档进行拌和作业。

9. It is strictly prohibited to use reverse gear for mixing operations.

10.稳定土拌和机在行走和作业过程中，必须保持匀速，作业速度应采用低速。

10. The stabilized soil mixer must maintain a constant speed during walking and operation, and the operating speed should be low.

11.机上各种安全阀不得随意调节，如损坏失灵，则应进行更换。

11. Various safety valves on the aircraft must not be adjusted arbitrarily. If they are damaged or malfunctioning, they should be replaced.

12.作业时注意液压油的温升，不得高于本机规定的正常数值。

12. Pay attention to the temperature rise of hydraulic oil during operation, which should not exceed the normal value specified by the machine.

13.稳定土拌和机进行拌和作业时，操作人员应戴上防尘、防噪声面具进行作业。

When carrying out mixing operations with a stabilized soil mixer, operators should wear dust and noise masks during the operation.

14.作业时要随时检查掌握拌和深度是否达到规定深度，拌和质量是否达到规定要求。

14. During homework, it is necessary to constantly check and master whether the mixing depth has reached the specified depth and whether the mixing quality meets the specified requirements.

15.作业中，操作人员要经常观察各仪表工作是否正常，机械有无异响，发现故障，应及时停机检查。

During the operation, the operator should regularly observe whether the instruments are working properly, whether there is any abnormal noise from the machinery, and if any faults are found, the machine should be stopped for inspection in a timely manner.

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