Agricultural Technical Requirements for a certain operation, the agricultural machinery should first meet the agricultural technical requirements of the operation, and have the possibility of adjustment within a certain range, or use a variant way to adapt to different agricultural technical requirements. The operation requires the use of scattered agricultural machinery, poor environmental conditions and complex changes, and farming operations are highly seasonal, therefore, the requirements for the agricultural machinery are: installation, adjustment, maintenance, connection with the tractor, working parts of the rise and fall, the replacement of vulnerable parts and the removal of common failures and other simple and easy, and to take various safety and protective measures, to ensure the normal operation of the machine and the safety of operators. For example, the soil tillage machinery on the installation of automatic crossing barriers and a variety of exposed movement of the shield or baffle, as well as cold, heat, dust, sound and vibration and other facilities.
