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Emergent gear shift device

A technology for shifting devices and shift switches, which is applied to control devices, transportation and packaging, and vehicle components, and can solve problems such as cumbersome operations and achieve the effect of simplifying emergency shift operations

Inactive Publication Date: 2011-08-17
CHINA NORTH VEHICLE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This control method needs to turn off the engine and stop the car, use special tools to get off the car, and need to open the rear cover of the vehicle, which is very cumbersome to operate

Method used

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  • Emergent gear shift device
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Embodiment Construction

[0016] The emergency gear shifting device of the present invention will be further described below in conjunction with the accompanying drawings.

[0017] In order to prevent accidents and improve the safety of vehicles, existing vehicles are usually equipped with normal shifting devices and emergency shifting devices. If the normal shifting device fails, the emergency shifting device will be activated to ensure the normal driving of the vehicle. .

[0018] In order to make the operation of the emergency shifting device more convenient, the present invention improves the emergency shifting device of the vehicle, such as figure 1 As shown, the emergency shift device includes a power switch S1, an emergency shift switch S2 and an emergency shift solenoid valve. The power switch S1 adopts a three-phase switch, and the common terminal of the power switch S1 is connected to the positive pole of the 24V power supply of the vehicle. , the following three functions can be realized by...

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Abstract

The invention belongs to a gear shift control device and particularly relates to an emergent gear shift device. The device provided by the invention is characterized by comprising a power transfer switch, an emergent gear shift switch and an emergent gear shift electromagnetic valve, wherein the power transfer switch is connected to a vehicle power supply; when the power transfer switch supplies power to the emergent gear shift device, the power transfer switch is communicated with the emergent gear shift switch; and the emergent gear shift switch is connected with the emergent gear shift electromagnetic valve through a wire and sends gear shift signals to the emergent gear shift electromagnetic valve, thereby realizing gear shift. When the original gearbox control system of a vehicle breaks down, the emergent gear shift device provided by the invention can be used for carrying the emergent gear shift, and the device has the advantage of simple structure, greatly simplifies the emergent gear shift operation and is convenient to use and popularize.

Description

technical field [0001] The invention belongs to a shift control device, in particular to an emergency shift device for a mechanical-hydraulic comprehensive transmission device. Background technique [0002] During the driving of the vehicle, if the shift control system fails, the vehicle will not be able to realize the forward and backward movement functions. At this time, another emergency shift device is required to realize the corresponding functions. [0003] The previous emergency shifting device is a mechanical device, and its control principle is: when the vehicle is turned off and all the shift solenoid valves are powered off, use a mechanical method to directly control the corresponding solenoid valve spool to make the vehicle shift to the required gear. , and then start the vehicle to make the vehicle move. If you need to change gears (as the forward gear is changed to reverse gear), you need to turn off the flame again, and the vehicle is put into the next gear a...

Claims

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Application Information

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IPC IPC(8): B60K20/02
Inventor 郭书彪顾宏弢韩博王鲁华师俊玲张鑫
Owner CHINA NORTH VEHICLE RES INST
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