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The jack is the simplest lifting equipment with a lifting height of less than 1m. It uses a steel lifting member as a working device to lift the heavy lifting equipment in the stroke through the ...

The jacks are divided into two types: Mechanical jacks and hydraulic jacks. The principles are different. In principle, the hydraulic jack is based on the Pascal principle, that is, the pressure ...

1. It is necessary to check whether the parts are normal before use. 2. When using, the provisions of the main parameters should be strictly observed. Avoid excessive overload. Otherwise, when the...

1) Before use, check that all parts are in good condition and the oil is clean. It is strictly forbidden to use the safety plug of the hydraulic jack if it is damaged, or the thread of the screw ...

1 Confirm the required force (tonnage). The recommended hydraulic jack tonnage is 20% higher than the load. 2. Body height and stroke according to working conditions, choose the appropriate body...

Principle of use The mechanical jack is one of the types of manual lifting tools. Its compact structure makes reasonable use of the rocking of the rocker to rotate the pinion. It is operated b...

The screw jack, also known as the mechanical jack, is driven by a manpower through a screw pair, and a screw or nut sleeve is used as a jacking member. The ordinary screw jack supports the weight...

The winch is really used in cars. Starting from the Jeep of World War II, after the United States entered the war, in the open desert battlefield of North Africa, the jeep car often fell into a bunk...

Simply put, the working mechanism inside the winch is: The electric power from the car first drives the motor, and then the motor drives the drum to rotate, the drum drives the driving shaft, and...

1. Relay transmission. The relay transmission receives signals from the remote control, and the inside is a complete circuit that can change the direction of the motor. 2. The motor. There is...