Multi-function Roller Test Stand

The comprehensive drum test bench performs speedometer detection, dynamic driving test, gear detection, acceleration performance, body stability performance, ABS/ESC test and other functions on front wheel drive, rear wheel drive or four-wheel drive vehicles with axle weight less than 2000kg when rolling off the production line at the factory.
Using electric inertia to simulate the equivalent kinetic energy of a vehicle on the road, it can withstand the load of the vehicle during maximum acceleration and deceleration. The drum has good dynamic balance.
It has the following functions:
Braking force inspection (including the function of the brake table) display result summary and braking force curve, vehicle offline ABS/ESC/EPB test, display result summary and process curve, upshift/reverse performance test, coasting dynamic braking performance test (optional test items), speedometer test, sound level test (integrated), electric vehicle energy recovery test, air conditioning temperature test (integrated), brake pedal force and manual operation force test (optional test items).

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Description

Using electric inertia to simulate the equivalent kinetic energy of a vehicle on the road, it can withstand the load of the vehicle during maximum acceleration and deceleration. The drum has good dynamic balance.
It has the following functions:
Braking force inspection (including the function of the brake table) display result summary and braking force curve, vehicle offline ABS/ESC/EPB test, display result summary and process curve, upshift/reverse performance test, coasting dynamic braking performance test (optional test items), speedometer test, sound level test (integrated), electric vehicle energy recovery test, air conditioning temperature test (integrated), brake pedal force and manual operation force test (optional test items).

The details are as follows:

Speedometer indication error test: When the indicating value of the vehicle speedometer (V1) is 40 km/h, the speed measurement value of the test bench is qualified in the range of 32.8 km/h ~ 40 km/h.

Dynamic driving brake force test: the car drives the drum. When the speed of the car reaches 80 km/h (the speed can be set by the user), brake until the car stops, and measure the dynamic driving braking force during the deceleration process.

Astern test test (open or close as required).

Acceleration performance (on or off as required)

Automatic transmission testing and diagnostics, communication with the automotive ECU, according to test specifications (open or close as required).

The test bench is composed of the whole steel structure of the equipment, calibration device, drum system (fixed drum group, moving drum group), drum group spacing (wheelbase) adjustment system, side guide device, motor drive control system, signal acquisition, data processing, vehicle test communication device, PLC control system and display part.

A safety drum protection device is installed at the rear of the rear drum group to prevent the vehicle from running out of the test stand during the test. In order to facilitate vehicle access to the test bench, a pneumatic lift is installed in the middle of each pair of rollers.

The moving device of the drum group is a servo motor, and the wheelbase moving range is 2200-3200mm (the moving range can be adjusted according to user needs), which is suitable for front-wheel drive, rear-wheel drive, four-wheel drive, etc. The wheelbase is 1400-1800mm, and the four wheels can be controlled and operated independently, and can also be operated synchronously.

The drum test bench uses the electric inertia to simulate the kinetic energy of the vehicle on the road, and can withstand the load of the vehicle at the maximum acceleration and deceleration. Rotary drum warp good dynamic balance.