Multi-head air intake type reciprocating air compressor and air compression equipment system

The invention discloses a multi-head air intake type reciprocating air compressor which comprises at least one first side air cylinder body, at least one second side air cylinder body, a chassis, a crankshaft mechanism and piston bodies wherein the first side air cylinder body comprises a first air inlet channel and a first air outlet channel; the second side air cylinder body comprises a second air inlet channel and a second air outlet channel; the chassis comprises a base and a crankshaft cavity is arranged in the chassis; the first and second side air cylinder bodies are arranged on the two sides of the chassis to ensure that the chassis is located between the first and second side air cylinder bodies; the crankshaft mechanism comprises a crankshaft head, a crankshaft handle, a plurality of connection rods and; the piston bodies are movably connected with the tail ends of the connection rods and reciprocate on the first and second side air cylinder bodies; both the first and second air inlet channels are provided with air inlet valves which are closed when the piston bodies move outwards to work done through compression; both the first and second air outlet channels are provided with air outlet valves which is opened to discharge the intense-pressure gas when the piston bodies move outwards to compress the gas to reach a set pressure or the piston bodies reach set positions.