Kokusai Keisokuki Kabushiki Kaisha

Other

Nakata Engineering Kabushiki Kaisha

Sigeru Matsumoto

Kazuhiro Murauchi

Hiroshi Miyashita

Shuichi Tokita

Kazuyoshi Tashiro

Kiyoaki Haneishi

Masanobu Hasegawa

Minoru Endo

Tomotaka Sakagami

Kazuaki Kondo

Mitsuo Kakuta

Hiroyuki Miura

Kazuki Shinohara

Akihiro Yonekawa

Naonori Oishi

Shigenobu Kawai

Yasuyuki Mido

Takeshi Teramoto

An oscillating device includes a vibrating table to which an oscillated object is to be attached, and an oscillating unit that oscillates the vibrating table in a predetermined direction. The vibrating table includes a hollow part in which the oscillated object is accommodated, a bottom plate, a frame part that protrudes perpendicularly from an edge portion of the bottom plate, and an intermediate plate arranged inside the frame part. The intermediate plate has a shape of a lattice protruding perpendicularly from the bottom plate.

Oscillation device with counter balancer

An impact test device includes a base, a dolly capable of traveling with a test piece placed thereon, and a fall preventing structure configured to prevent the test piece from falling over. The fall preventing structure includes a first section independent of the dolly The first section is provided so as to be movable in a traveling direction of the dolly with respect to the base.

Impact test device

A collision simulation test apparatus including a table to which a test piece is to be attached, the table being movable in a predetermined direction, a toothed belt for transmitting power to drive the table, a drive module capable of driving the toothed belt, and a control part capable of controlling the drive module. The control part is capable of controlling the drive module to generate an impact to be applied to the test piece, and the impact generated by the drive module is transmitted to the table by the toothed belt.

Collision simulation test apparatus and impact test apparatus

A wheel test device includes a rail wheel support rotatably supporting a rail wheel, a wheel support rotatably supporting a test wheel in contact with the rail wheel, a first electric motor, a power distributor distributing power generated by the first electric motor to the rail wheel and the test wheel, and a torque generator generating torque to be applied to the test wheel. The torque generator includes a rotating frame rotationally driven by the first electric motor, and a second electric motor mounted on the rotating frame. One of or both the rail wheel and the test wheel is connected to the first electric motor via the torque generator. A rated output of the second electric motor is equal to or more than 3 kW, and moment of inertia of a rotating part of the second electric motor is equal to or less than 0.01 kg·m.

Wheel test device with rail wheel to contact test wheel while test wheel is rotatably supported

A tire testing device includes a road surface, a carriage capable of traveling along the road surface in a state where a test tire is in contact with the road surface, and a guide mechanism configured to guide movement of the carriage. The guide mechanism includes a rail, and a runner. The runner includes a first roller that rolls on an upper surface of a head of the rail, and a second roller that rolls on a lower surface or a side surface of the head of the rail. The tire testing device includes a first guide mechanism and a second guide mechanism. In the first guide mechanism, the rollers except for the first roller are disposed only on one side of the rail, and in the second guide mechanism, the rollers except for the first roller are disposed only on an other side of the rail.

Tire testing device

A tire testing device includes a vehicle, and a test unit provided in the vehicle and capable of supporting a test wheel on which a test tire is mounted in a state in which the test wheel is in contact with a road surface. The test unit includes a power unit configured to output power for rotationally driving the test wheel. The power unit includes a rotation output unit configured to output a rotational motion of a rotation speed corresponding to a traveling speed of the vehicle, and a torque applying unit configured to add torque to the rotational motion to output the torque, the rotation output unit includes a driven wheel configured to contact a road surface, a first axle coupled to the driven wheel, and a first transmission mechanism configured to couple the first axle to an input shall of the torque applying unit.

A test device includes an input side drive part that drives a steering shaft of a steering device, a control part that controls the input side drive part, and a position detecting part that detects an angular position of the steering shaft. The control part restricts a maximum value of a torque of the steering shaft when the angular position reaches an end-abutment position. The control part also controls driving of the steering shaft by a position control in which the angular position is used as a controlled variable and a torque control in which the torque is used as a controlled variable. The control part performs the position control when the angular position is outside a first angular range including the end-abutment position and switches the driving of the steering shaft from the position control to the torque control when the angular position reaches within the first angular range.

Test device for controlling a test process and method for testing a steering device

A tire testing device includes a carriage configured to rotatably hold a test wheel provided with a test tire and being capable of travelling on a base along a road surface in a state where the test wheel is made to contact the road surface, and a driving system configured to drive the test wheel and the carriage. The driving system includes a carriage driving part configured to drive the carriage with respect to the road surface in a predetermined speed, a test wheel driving part configured to drive the test wheel in a rotating speed corresponding to the predetermined speed, a driving part configured to generate power to be used to drive the carriage and the test wheel, and a power distributing part configured to distribute power generated by the driving part to the carriage driving part and the test wheel driving part.

An oscillating device including a vibrating table, an actuator configured to oscillate the vibrating table in a first direction, a coupling mechanism configured to couple the vibrating table with the actuator in such a manner that the vibrating table is movable relative to the actuator in a second direction orthogonal to the first direction, and a counter balancer attached to the vibrating table and configured to compensate an imbalance of an oscillated portion including at least the vibrating table, the imbalance being caused by attaching the coupling mechanism to the vibrating table.

Oscillation device with a vibrating table that houses an oscillated object

A linear actuator, comprising: a base; a fixed part support mechanism attached to the base; a fixed part elastically supported by the fixed part support mechanism; and a movable part driven to reciprocate in a predetermined drive direction with respect to the fixed part, wherein the fixed part support mechanism comprises: a movable block attached to the fixed part; a linear guide that couples the movable block with the base to be slidable in the predetermined drive direction; and an elastic member that is disposed between the base and the movable block and prevents transmission of a high frequency component of vibration in the predetermined drive direction.

Growing community of inventors

Tokyo, Japan

Sigeru Matsumoto