The invention relates to a vehicle starting and gear linkage device capable of avoiding dangers. The device comprises an air pocket, a first hand-operated reversing valve, a first pneumatic control reversing valve, an air motor, a second hand-operated reversing valve, an air cylinder and a gear valve, wherein the air pocket is respectively communicated with the first hand-operated direction valve,the first pneumatic control reversing valve and the second hand-operated direction valve, the first pneumatic control reversing valve is communicated with an air inlet of the air motor, a first one-way valve, a second one-way valve and a second pneumatic control reversing valve are further included, the first hand-operated reversing valve is communicated with the second pneumatic control reversing valve, the second pneumatic control reversing valve is respectively communicated with an air inlet of the air motor and a control port of the first pneumatic control reversing valve, the second hand-operated direction valve is communicated with a rodless cavity of the air cylinder and an air inlet of the first one-way valve, and the second hand-operated direction valve is communicated with a rodcavity of the air cylinder and an air inlet of the second one-way valve, and an air outlet of the first one-way valve and an air outlet of the second one-way valve are both communicated with an air control opening of the second pneumatic control reversing valve. The device is advantaged in that the vehicle cannot be started when the vehicle is engaged with a forward gear or a backward gear.
一种可避免危险发生的、车辆的启动与档位联动装置,包括气包、第一手动换向阀、第一气控换向阀、气马达、第二手动换向阀、气缸和档位阀;气包分别与第一手动换向阀、第一气控换向阀和第二手动换向阀连通;第一气控换向阀与气马达的进气口连通;还包括第一单向阀、第二单向阀和第二气控换向阀;第一手动换向阀与第二气控换向阀连通,第二气控换向阀分别与气马达的进气口和第一气控换向阀的控制口连通;第二手动换向阀分别与气缸的无杆腔和第一单向阀的进气口连通,第二手动换向阀分别与气缸的有杆腔和第二单向阀的进气口连通;第一单向阀的出气口和第二单向阀的出气口均与第二气控换向阀的气控口连通。本发明可使车辆挂前进档或后退档时车辆不能启动。
Vehicle starting and gear linkage device capable of avoiding danger
一种可避免危险发生的、车辆的启动与档位联动装置
2020-07-14
Patent
Electronic Resource
Chinese
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
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