Lawn mower is also called lawn mower, lawn mower, lawn trimmer, etc. The lawn mower is a mechanical tool used for mowing lawns, vegetation, etc. It is composed of a cutter head, an engine, a walking wheel, a walking mechanism, a blade, a handrail, and a control part.
The cutter head is installed on the traveling wheel, the cutter head is equipped with an engine, and the output shaft of the engine is equipped with a blade. The blade uses the high-speed rotation of the engine to increase the speed a lot, saving the weeding worker's working time and reducing a lot of human resources.

Structure
Lawn mower, also known as lawn mower, is composed of cutter head, engine, walking wheel, walking mechanism, blade, armrest and control part. It consists of a parallel four-bar lifting device, a frame, a left and right single-wing weeding device, a complete machine deviation adjustment device, a comb-tooth rotating bevel gear speed-increasing transmission mechanism and a comb-tooth profiling depth adjustment device; the efficiency is 8 to 8 higher than that of manual weeding 10 times, low seedling damage rate, high seedling removal clean rate.

Classification
According to different classification standards, lawn mowers can be classified as follows:
1. Divided by travel: intelligent semi-automatic towing type, rear push type, mount type, tractor-mounted type.
2. According to power: human and animal power drive, engine drive, electric drive, solar drive.
3. Divided by method: hob type, rotary knife type, side-mounted type, and throwing knife type.
4. According to the requirements: flat type, half waist type, truncated top type.

Use
Lawn mowers are mainly used in garden decoration pruning, grass green pruning, urban streets, green scenic spots, pastoral pruning, field weeding, especially grassland and grassland in parks, football fields and other grass fields, private villa gardens, and agriculture, forestry and animal husbandry The refurbishment of site vegetation and other aspects can also be used during the autumn harvest.
However, lawn mowers have certain limitations when cutting grass in rural fields, fields, and mountains. The main reasons are uneven terrain, power supply and the weight and portability of the lawn mower.
The lawn mower commonly used today is a gasoline lawn mower, also known as a gasoline saw. It has a wide range of uses, mainly used for lawn trimming and beautification in parks, green belts, factory grasses, golf courses, home gardens, grasslands, orchards.