Field agricultural machinery test platform

A field agricultural machinery test platform, comprising

• a field soil groove, two guide rails, a traveling trolley, a hitch trolley, a hitch mechanism, and a test system;
• the two guide rails are provided on both sides of the field soil groove in parallel, and the traveling trolleys are located on the guide rails;
• the traveling trolley comprises a cross beam and a trolley drive portion, wherein the cross beam is provided between the two guide rails, and the two ends of the cross beam are respectively connected to the trolley drive portion on both sides thereof;
• the hitch trolley is provided on the cross beam, and the hitch mechanism is provided on the hitch trolley, wherein the hitch trolley comprises a motor, a rail pulley, a side auxiliary pulley, and a panel, and wherein two pairs of the rail pulleys are symmetrically arranged on both sides of the panel, and one of the rail pulleys has a transmission shaft connected with the motor;
• and the side auxiliary pulley is arranged on the outer side the rail pulley;
• the test system is provided on the hitch trolley and the hitch mechanism;
• a test machine is connected to the hitch mechanism;
• the test system comprises an image assembly, a force test assembly, and a control assembly that are mounted on the hitch trolley;
• the image assembly and the force test assembly are electrically connected to the control assembly;
• wherein the hitch mechanism is a three-point suspension device, which is connected with a hydraulic lifting member and fixed on a front-rear plate arranged on the panel;
• and
• wherein the three-point suspension device comprises an upper lifting portion and a lower lifting portion that are both arranged on the front-rear plate, with the lower lifting portion symmetrically arranged on both sides of the upper lifting portion;
• and the test machine realizes three-point suspension through the upper lifting portion and the lower lifting portion;
• and
• wherein a fine-adjusting device is arranged on the front-rear plate and connected with the three-point suspension device;
• and
• wherein a balance weight for balancing the hitch test machine is provided on the front side of the panel of the hitch trolley.