Chassis dynamometer

Abstract

The invention relates to a chassis dynamometer. The device comprises a frame, a driving roller and a driven roller, one end of the driving roller in the length direction is in transmission connectionwith a power device; wherein the other end of the frame is fixedly connected with a chain wheel, the outer side of the chain wheel is meshed with a chain, the driven roller is in transmission connection with the driving roller through the chain, a lifting device is arranged between the driving roller and the driven roller and comprises a hydraulic cylinder and a lifting plate which are fixed in the frame, and one end of a piston rod of the hydraulic cylinder is fixedly connected with the lifting plate. An air drying device is arranged on one side of the frame and comprises an air blower and asupporting plate arranged above the air blower, the air blower is fixed in the frame and faces the supporting plate, the supporting plate is detachably and fixedly connected with the frame, and a plurality of ventilation openings are formed in the supporting plate. The strong air exhaust effect of the air blower can blow-dry the tire with water such that the friction force of the wheel is consistent with that during drying, and the detection precision is improved.

Description

Technical field [0001] The invention relates to the technical field of automobile testing equipment, in particular to a chassis dynamometer. Background technique [0002] Chassis dynamometer is a kind of indoor bench test equipment used to test the performance of automobile power, multi-condition emission index, fuel index and so on. The automobile chassis dynamometer simulates the road surface through the drum, calculates the road simulation equation, and simulates with the loading device to realize the simulation of various working conditions of the automobile. [0003] In the prior art, such as the Chinese Patent Publication No. CN207351694U, which discloses a chassis dynamometer for vehicles, the chassis dynamometer for vehicles includes: a first rotating part, a second rotating part, and a first rotating part. Three rotating pieces, the first rotating piece, the second rotating piece and the third rotating piece are arranged in sequence along the longitudinal direction of the...

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned existing technical solutions have the following defects: Although the above-mentioned chassis dynamometer can detect a variety of multi-axle vehicles, in the actual detection situation, if it encounters rainy weather, the tires of the vehicle will inevitably break down. attach some rain

When testing parameters such as vehicle dynamics, multi-condition emission indicators, and fuel indicators, the reduction in friction makes it easy to slip between the tire and the rotating parts, thereby reducing the detection accuracy.

Images