A rotary module includes a first outer tube, a first member in which a function of the channel is maintained when a first outer tube rotates relative to a first inner tube, the channel coupling an outside of the first outer tube and an inside of the first inner tube, and a second member in which electrical coupling between the first terminal provided on an inner circumference surface of a second outer tube and the second terminal provided on an outer circumference surface of a second inner tube is maintained when the second outer tube rotates relative to the second inner tube, wherein the first outer tube and the second outer tube are fixed, the first inner tube and the second inner tube are fixed, and the first member and the second member are arranged along the same axis as each other.

A toothed safe braking apparatus for use in robotic joint, comprising an electromagnetic telescoping apparatus (6) and a friction engagement component (10). The friction engagement component (10) is mounted on a shaft (C) of the robotic joint and comprises a brake lock ring gear (1) provided with a first center fitting hole (12), the brake lock ring gear (1) being provided with teeth (11) arranged on the outer circumferential surface thereof, a pretension ring (2) provided with a second center fitting hole (13), and a brake hub (4) provided with a first end surface (14), a second end surface (15), and an outer circumferential surface (16). On a locked position, a working bit (17) of the electromagnetic telescoping appamtus (6) can be engaged with the teeth (11) on the brake lock ring gear (1) of the friction engagement component (10); and, on an unlocked position, the working bit (17) of the electromagnetic telescoping apparatus (6) can be disengaged from the teeth (11) on the brake lock ring gear (1) of the friction engagement component (10). The brake lock ring gear (1) and the pretension ring (2) are arranged in parallel via the first fitting hole (12) and the second fitting hole (13) to be friction engaged on the outer circumferential surface (16) of the brake hub (4).

The present technology describes systems and methods for power coupling of a tractor-trailer system. The technology may include a robotic arm, an end effector, a coupling tool, and a tool resting rack. An electrical outlet on a trailer may be coupled with a tool under control of the end effector and positioning of the robotic arm. The end effector may include a housing, a motor, a clutch, and a drive shaft. A tool coupled to the end effector may include an electro-mechanical (EM) coupler. The EM coupler may include a housing, an electric plug, a lid lifter, a lead screw, and a servomotor.

A method of evaluating safety of a robot includes a step of obtaining a three-dimensional image or three-dimensional model of a test robot comprising shape information of a real robot, a step of setting a movement time and movement path of the test robot by inputting profile information comprising movement time information and movement path information of the test robot, a step of calculating a collision pressure and collision force applied to a collision object in consideration of a shape, effective mass, movement speed, and direction of an injury-causing dangerous portion of the test robot, and a step of evaluating safety of the robot by determining whether magnitudes of the calculated collision pressure and collision force fall within magnitudes of a predetermined maximum collision pressure and predetermined maximum collision force.

A collision-detection device for a gripper system of a handling device, with at least two gripping jaws arranged on a flange plate, detects collisions between the gripper system and an object. The device includes a safety device configured to lock the collision-detection device to the gripper system and/or dampen the collision-detection device with the gripper system. The safety device is configured to receive from the flange a change in force and/or a change in torque generated by contact between the gripping jaws and the object. The device further includes a sensor configured to detect a change in distance which exceeds a predetermined permissible change in distance between the flange plate and a reference, the change in distance resulting from the at least one of the change in force and the change in torque.

A robot arm including a rotating body connected to a base, an arm rotating about a central axis of the rotating body, a moving pulley provided at the arm and revolving along a circular track which is concentric with the rotating body, a reference pulley provided at the base and positioned on an inner side with respect to the circular track, a spring embedded in the arm and compressed or stretched in a lengthwise direction of the arm, a string compressing the spring and wound around the moving pulley and the reference pulley, and a plurality of roller bearings arranged to be spaced apart from each other along an outer circumference of the rotating body, rotating about a rotation axis parallel to the central axis of the rotating body, and configured to be in contact with the string is provided.

A wheeled base includes a housing, two driven wheeled mechanisms positioned on a bottom of the housing and on opposite sides of the housing, at least one passive wheel positioned on the bottom of the housing, actuated feet positioned on the bottom of the housing and configured to move up and down, sensors, and a battery pack arranged within the housing. The two driven wheeled mechanisms each includes a damping mechanism, and each damping mechanism includes at least two dampers configured to absorb impact caused by an upward movement of the housing, and absorb impact caused by a downward movement of the housing.

A universal actuator for driving a continuum arm robot having a plurality of tendons includes; a housing; a power supply pack with a power source; a control pack with an industrial programmable logic controller, a screen, a rotary encoder linked to an analogue input device, a digital output device, a plurality of electronic control cards that connect the programmable logic controller to a user input device, the rotary encoder and an actuator pack for controlling the motion of the continuum arm robot, the programmable logic controller or the screen having a computer program to allow for set up and control of the continuum arm robot.

A tool for forming an attachment pad on a sheet material includes an anvil supported on a housing and defining a working axis for forming the pad. A slide block is supported on the housing for movement at least along the working axis, and a die block is supported opposite the slide block and is movable in directions along the working axis to cooperate with anvil to form the pad. At least one actuator on the housing biases the slide block in a direction toward the die block. The actuator is operable in a first mode wherein the slide block is movable toward and away from the die block, and a second mode wherein the slide block is locked against movement in a direction away from the die block. A selectively adjustable counterbalance device cooperates with the actuator to counterbalance a force applied to the slide block by the actuator.

Provided is a robot system which includes: a robot; a controller controlling the robot and causing the robot to operate in a plurality of operation modes; and a display device attached on the robot and caused by the controller to operate in patterns in accordance with the operation modes, the patterns being different from one another. The display device includes: a sheet-like base part being deformable in a shape in accordance with an outer surface of the robot and having flexibility; one or more display parts fixed on the base part; and a fixture maintaining the base part in a state in which the base part is attached on the outer surface of the robot.