一. Composition and working principle of scissor electric jack

1. Main components:

Scissor structure: It is composed of two sets of metal arms that cross each other, similar to the structure of scissors. The metal arms are opened or closed by the motor to achieve lifting and lowering.

Motor: It is usually powered by the 12V power supply of the vehicle, and the height of the jack is adjusted by the motor to drive the screw or gear system.

Control switch: It is used to control the operation of the motor, and the lifting and lowering operation can be achieved through buttons or remote controls.

Base and support plate: Provide stable support to keep the jack balanced and safe during use.

2. Working principle:

Start the motor and drive the metal arms of the scissor structure through the screw or gear system.

The metal arms cross and unfold, the height of the jack increases, and the heavy objects are lifted.

The control switch can be stopped or reversed at any time to lower the jack.

二. The advantages of scissor-type electric jacks

Easy to operate：using electric motor drive, reducing the labor intensity of manual operation, just press the button to easily complete the lifting and lowering.

Time-saving and efficient: electric operation is faster than traditional manual jacks, improving work efficiency.

Strong stability: The scissor-type structure provides better stability, suitable for use on flat ground, and can stably support heavy objects.

Good portability: usually compact design, easy to store in the trunk of the car, convenient to carry with the car, suitable for emergency use.

三. Application of scissor jacks

Auto repair: The most common application is changing tires. In an emergency, the driver can quickly lift the vehicle to change the tire.

Vehicle maintenance: Scissor jacks provide convenience when performing maintenance projects such as chassis inspection and brake system maintenance that require lifting the vehicle.

Other occasions where heavy objects need to be lifted: In addition to vehicle repairs, scissor jacks can also be used in other occasions where heavy objects need to be lifted temporarily, such as simple repair work in a home garage.

四. Precautions for using scissor-type electric jacks

Ensure the ground is flat: When using a jack, make sure the ground is flat and solid to prevent the jack from tilting or sliding.

Correct placement: Place the jack at the support point specified by the vehicle manufacturer to ensure safety and stability.

Avoid overloading: Do not exceed the rated load of the jack to avoid damage to the equipment or accidents.

Regular inspection and maintenance: Regularly check the motor, screw and scissor structure of the jack to ensure that it is working properly and avoid safety problems caused by equipment failure.

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