초록 ▼

An apparatus and method for inspecting a motorcycle. A braking force inspecting unit is provided for calculating a braking force from results measured by a torque measuring unit to determine whether the braking force is acceptable or not when a brake is fully applied and the support rollers are rota

An apparatus and method for inspecting a motorcycle. A braking force inspecting unit is provided for calculating a braking force from results measured by a torque measuring unit to determine whether the braking force is acceptable or not when a brake is fully applied and the support rollers are rotated by a motor. A speedometer inspecting unit is provided for determining whether a speedometer is acceptable or not from results measured by a rotational speed measuring unit when the support rollers are rendered rotatable and an engine of the motorcycle is operated. A brake system inspecting unit is provided for calculating a change in a vehicle speed of the motorcycle from the results measured by the rotational speed measuring unit and determining whether an ABS and a CBS operate acceptably or not when the engine of the motorcycle is operated.

대표청구항 ▼

The invention claimed is: 1. An apparatus for inspecting a motorcycle for a braking force, a speedometer, and a brake system thereof, comprising: rotatable first and second front wheel support rollers having respective axes lying parallel to each other, for supporting a front wheel of the motorcycl

The invention claimed is: 1. An apparatus for inspecting a motorcycle for a braking force, a speedometer, and a brake system thereof, comprising: rotatable first and second front wheel support rollers having respective axes lying parallel to each other, for supporting a front wheel of the motorcycle; rotatable first and second rear wheel support rollers having respective axes lying parallel to each other, for supporting a rear wheel of the motorcycle; coupling means for coupling the first front wheel support roller and the first rear wheel support roller to each other for synchronous rotation thereof; rotational speed measuring means coupled to ends of respective rotational shafts of the second front wheel support roller and the second rear wheel support roller, for measuring respective rotational speeds of said second front wheel support roller and said second rear wheel, support roller; a pair of drive means separably connected by clutches to the respective other ends of the rotational shafts of the second front wheel support roller and the second rear wheel support roller, for rotating said second front wheel support roller and said second rear wheel support roller, respectively, with the drive means being connected thereto by said clutches; torque measuring means disposed between said drive means and said clutches, for measuring torques applied respectively to the rotational shafts of the second front wheel support roller and the second rear wheel support roller; braking force inspecting means for calculating a braking force based on the torques measured by said torque measuring means and determining whether the calculated braking force is acceptable or not, when said second front wheel support roller and said second rear wheel support roller are rotated by said drive means with a driving mechanism on the motorcycle being in a neutral gear position and the motorcycle being braked; speedometer inspecting means for calculating a vehicle speed of the motorcycle based on the rotational speed measured by one of said rotational speed measuring means and determining whether the speedometer on the motorcycle is acceptable or not, when said drive means are disconnected by the clutches from said second front wheel support roller and said second rear wheel support roller and a drive wheel of the motorcycle is driven by the driving mechanism on the motorcycle; and brake system inspecting means for determining whether an antilock brake system and a front/rear wheel combined brake system of the motorcycle operate acceptably or not based on the rotational speeds measured by said rotational speed measuring means, when said drive means are disconnected by the clutches from said second front wheel support roller and said second rear wheel support roller and the antilock brake system and the front/rear wheel combined brake system are operated while the drive wheel of the motorcycle is being driven. 2. An apparatus according to claim 1, wherein said brake system inspecting means comprises: calculating means for calculating a change in the vehicle speed of the motorcycle based on the rotational speeds measured by said rotational speed measuring means while the rotational speeds of said second front wheel support roller and said second rear wheel support roller are being reduced when the motorcycle is braked; and judging means for determining whether said antilock brake system and said frontier wheel combined brake system operate acceptably or not based on the change calculated by said calculating means, without said second front wheel support roller and said second rear wheel support roller being stopped against rotation. 3. An apparatus for inspecting operation of an antilock brake system of a motorcycle, comprising: first and second rotatable support rollers having respective axes lying parallel to each other, for supporting a front wheel of the motorcycle; first and second rotatable support rollers having respective axes lying parallel to each other, for supporting a rear wheel of the motorcycle, each of the first rotatable rollers having an inertia that is larger than the corresponding second rotatable roller; rotational speed measuring means for measuring a rotational speed of at least one of the front and rear wheels, the rotational speed measuring means being coupled through the at least one of the second rotatable support rollers which support said front and rear wheels when said antilock brake system operates on said at least one of the front and rear wheels; calculating means for determining a peak value produced by a change in the rotational speed of said one of the front and rear wheels when said antilock brake system operates, based on the rotational speed measured by said rotational speed measuring means; and judging means for determining whether the peak value determined by said calculating means falls in a predetermined range or not. 4. An apparatus for inspecting operation of an antilock brake system of a motorcycle, comprising: a pair of rotatable front wheel support rollers having respective axes lying parallel to each other, for supporting a front wheel of the motorcycle; a pair of rotatable rear wheel support rollers having respective axes lying parallel to each other, for supporting a rear wheel of the motorcycle; coupling means for connecting one of said front wheel support rollers and one of said rear wheel support rollers to each other for synchronous rotation thereof; and rotational speed measuring means coupled respectively to the other of said front wheel support rollers and the other of said rear wheel support rollers, for measuring respective rotational speeds of said other front wheel support roller and said other rear wheel support roller; wherein inertial forces produced by said one of the front wheel support rollers and said one of the rear wheel support rollers which are connected by said coupling means are larger than inertial forces produced by said other front wheel support roller and said other rear wheel, support roller which are coupled to said rotational speed measuring means. 5. An apparatus according to claim 4, wherein said one of the front wheel support rollers and said one of the rear wheel support rollers which are connected by said coupling means are larger in diameter than said other front wheel support roller and said other rear wheel support roller which are coupled to said rotational speed measuring means. 6. An apparatus for inspecting operation of a front/rear wheel combined brake system of a motorcycle which has an antilock brake system, comprising: a pair of rotatable front wheel support rollers having respective axes lying parallel to each other, for supporting a front wheel of the motorcycle; a pair of rotatable rear wheel support rollers having respective axes lying parallel to each other, for supporting a rear wheel of the motorcycle; rotational speed measuring means coupled respectively to one of said front wheel support rollers and one of said rear wheel support rollers, for measuring respective rotational speeds of the front wheel and the rear wheel, through said front and rear wheel support rollers; calculating means for determining the difference between a peak value produced by a change in the rotational speed of said front wheel when the front wheel is disengaged from braking for the first time by the antilock brake system and a peak value produced by a change irk the rotational speed of said rear wheel when the rear wheel is disengaged from braking for the first time by the antilock brake system, based on the rotational speeds measured by said rotational speed measuring means, when said antilock brake system operates on said front wheel and said rear wheel in combination with each other while said front wheel and said rear wheel is being rotated; and judging means for determining whether the difference determined by said calculating means falls in a predetermined range or not. 7. A method of inspecting a motorcycle for a braking force, a speedometer, and a brake system thereof, comprising the steps of: seating a front wheel of the motorcycle on first and second rotatable front wheel support rollers having respective axes lying parallel to each other; seating a rear wheel of the motorcycle on first and second rotatable rear wheel support rollers having respective axes lying parallel to each other; inspecting a braking force based on torques applied to rotational shafts of said second of the front wheel support rollers and said second of the rear wheel support rollers when said second front wheel support roller and said second rear wheel support roller are rotated by a drive means separably coupled to said rotational shafts, with a driving mechanism on the motorcycle being in a neutral gear position and the motorcycle being braked, the drive means not being coupled to the first front wheel support roller and the first rear wheel support roller; calculating a vehicle speed of the motorcycle based on the rotational speed of either one of said first and second front and rear wheel support rollers to inspect the speedometer on the motorcycle, when said drive means are disconnected from said second front and rear wheel support rollers and a drive wheel of the motorcycle is driven by the driving mechanism on the motorcycle; and thereafter, inspecting an antilock brake system and a front/rear wheel combined brake system of the motorcycle for operation thereof while keeping the support rollers in rotation by calculating a change in a vehicle speed of the motorcycle from respective rotational speeds of said second front wheel support rollers and said second rear wheel support rollers when the antilock brake system and the front/rear wheel combined brake system are operated while the drive wheel of the motorcycle is being driven by the driving mechanism on the motorcycle, reducing the rotational speeds of the support rollers. 8. A method of inspecting operation of an antilock brake system of a motorcycle, comprising the steps of: rotating a front wheel of the motorcycle which is supported on first and second front wheel support rollers; rotating a rear wheel of the motorcycle which is supported on first and second rear wheel support rollers, the rear wheel being rotated by drive means coupled to the second rear wheel support roller but not connected to the first rear wheel support roller; fully braking one of the front and rear wheels on which the antilock brake system operates; measuring a rotational speed of the wheel on which the antilock brake system has operated, through the support rollers which supports the wheel; determining a peak value produced by a change in the rotational speed of said wheel when said antilock brake system operates, based on the measured rotational speed; and judging that the antilock brake system is acceptable if said determined peak value falls in a predetermined range and that the antilock brake system is not acceptable if said determined peak value does not fall in said predetermined range. 9. A method according to claim 8, wherein said step of determining a peak value comprises the step of determining a first peak value produced by a change in the rotational speed of said wheel when said wheel is disengaged from braking for the first time when said antilock brake system operates, a second peak value produced by a change in the rotational speed of said wheel when said wheel is braked next time, and a third peak value produced by a change in the rotational speed of said wheel when said wheel is disengaged from braking next time, and said step of judging comprises the step of judging that the antilock brake system is acceptable if all of the determined first, second, and third peak values fall in respective predetermined ranges, and that the antilock brake system is not acceptable if either one of said determined first, second, and third peak values do not fall in the corresponding one of the respective predetermined ranges. 10. A method of inspecting operation of a front/rear wheel combined brake system of a motorcycle which has an antilock brake system, comprising the steps of: rotating a front wheel of the motorcycle which is supported on a pair of front wheel support rollers; rotating a rear wheel of the motorcycle which is supported on a pair of rear wheel support rollers; fully braking one of the front and rear wheels to operate said antilock brake system and said front/rear wheel combined brake system; measuring a rotational speed of said front wheel and a rotational speed of said rear wheel through said front and rear wheel support rollers while said one of the front and rear wheels is being fully braked; calculating the difference between a peak value produced by a change in the rotational speed of said front wheel when the front wheel is disengaged from braking for the first time when said antilock brake system operates on the front wheel and a peak value produced by a change in the rotational speed of said rear wheel when the rear wheel is disengaged from braking for the first time when said antilock brake system operates on the rear wheel, based on the measured rotational speed; and judging that the front/rear wheel combined brake system is acceptable if said calculated difference falls in a predetermined range and that the front/rear wheel combined brake system is not acceptable if said calculated difference does not fall in said predetermined range.