117results about "Coupling-brake combination" patented technology

[Problem] A design is provided that is capable of suppressing the rattling of an input element. [Solution to the problem] A leaf spring 6 has: two held sections 43, which are arranged on both sides of an input-side engagement section 14 in respect of a second direction perpendicular to a first direction, which is a direction of movement of a pressing surface 33, which moves away from or towards a pressed surface 7 and a central axis of an input element 3, and are held elastically between the input-side engagement section 14 and an input-side gripped section 34; and a base section 44, which connects the two held sections 43.

[Problem] To provide a vehicle power transmission unit capable of moving a vehicle with a small power when a power supply of a system is off and capable of braking the vehicle by a brake system regardless of whether a clutch is engaged or disengaged. [Solution] A power transmission unit includes an input shaft, a gear mechanism, and an axle. Power from a power source is transmitted from a rotational shaft of the power source to the axle via the input shaft and a gear mechanism. The rotational shaft and the input shaft are arranged such that axes thereof match each other. The power transmission unit further includes: a clutch provided between the rotational shaft and the input shaft and manually operated to switch engagement and disengagement between the rotational shaft and the input shaft; a brake mechanism including a brake rotor provided not to rotate relative to the input shaft.

The present invention relates to a clutch-brake unit, in particular for an aircraft, comprising a brake, a clutch and a control unit, which is designed and arranged to actuate the brake and / or the clutch, wherein the control unit has an actuator and a movable control element, wherein the actuator is designed and arranged to move the control element from a neutral position to a first and / or second control position, thereby enabling the brake and / or the clutch to be actuated.

Turbomachine (10) for an aircraft, comprising a compressor (12), an annular combustion chamber (16), a turbine (20), and a tube (52) extending axially inside a shaft (28) and comprising an upstream end (52a) rotationally fixed to an upstream end (28a) of the shaft (28), characterized in that the shaft (28) comprises a downstream end (28b) that is free to rotate relative to a downstream end (52b) of the tube (52) over a predetermined angular stroke (β), and that is connected to this downstream end (52b) of the tube (52) by an automatic brake pad system (54). Abbreviated figure: Figure 1

The utility model provides a composite tooth type electromagnetic clutch with a braking function, which comprises a driven fluted disc which is fixedly connected with a power output end and is provided with first meshing teeth, an inner ring which is fixedly connected with a load input end, and a magnet yoke which is fixedly connected with a rack and is provided with second meshing teeth, the movable disc is arranged between the magnet yoke and the driven fluted disc and is provided with third meshing teeth and fourth meshing teeth; a coil is arranged on the magnet yoke; the movable disc and the inner ring are connected through a spring piece, and an elastic piece is arranged between the movable disc and the inner ring. The clutch has dual functions of a clutch and braking. Compared with an existing friction mode, through the meshing mode of the meshing teeth, abrasion is greatly reduced, the service life is prolonged, the torque is large, the transmission torque is large, the structure is simple, installation is convenient, and later maintenance is also convenient.

Proposed is a brake device for a vehicle seat, in which when a button part is pressed, an unlocking protrusion is inserted between braking members and pushes rollers of the braking members, which are positioned on wedge surfaces, to release surfaces, such that an unlocked state is implemented.

The planetary reducer, powertrain, and vehicle are characterized in that the planetary reducer (A) includes a housing (1), a sun gear (2), an internal gear (4), a plurality of planetary gears (3), and a planet carrier (5), and further includes a cylindrical portion (6) fitted to the outside of the internal gear, a sleeve portion (7) fitted to the outside of the cylindrical portion, an elastic portion (8) installed between the cylindrical portion and the sleeve portion, a first friction ring (60) attached to the cylindrical portion, a second friction ring (50) attached to the planet carrier, a third friction ring (70) attached to the sleeve portion, a fourth friction ring (10) attached to the housing portion, and a controller (9) attached to the housing portion, and the first friction ring and the second friction ring are provided alternately between the sleeve portion and the cylindrical portion, and the third friction ring and the fourth friction ring are provided alternately between the controller and the sleeve portion. This planetary reducer effectively simplifies the structural design and reduces the difficulty of control. When used in a vehicle, it can realize the interlocking control of the brake and clutch, and ensure that there is no loss of driving force when the vehicle changes gears.

The present invention relates to a device for limiting and / or transmitting torque, wherein the device has a damping element (6) which is designed in one piece and which, when the permissible torque is exceeded or when a brake is switched, connects a drive disc (4) of the torque limiter or the brake to the housing or another load-bearing component of the device.

To provide a novel angle position holding device 2 including a joint member 4 that can be integrally molded with powder metallurgy despite the fact that a female engagement part 16 and a male engagement part 18 are coaxially arranged in axially different positions.SOLUTION: A joint member 4 is provided with an annular thick wall part 21 in a corner part between an outer peripheral surface in the other side bearing part 14 including a male engagement part 18 and the other side surface in an axial direction of an intermediate plate 10 to which a female engagement part 16 and a proximal end of the male engagement part 18 are connected.SELECTED DRAWING: Figure 1

The invention provides a clutch device which can be assembled between a driving source and a driven body and can prevent transmission of impact torque from the driven body to the driving source. A clutch device (1) is provided with a first rotating member (2), a second rotating member (3), a third rotating member (4), an engagement member (5), and a flywheel (6) fixed to the first rotating member (2). When torque is input to the second rotating member (3), torque is transmitted between the second rotating member (3) and the third rotating member (4) while the first rotating member (2), the flywheel (6), the second rotating member (3), the third rotating member (4), and the engagement member (5) are in a stable rotating state in which the first rotating member (2), the flywheel (6), the second rotating member (3), the third rotating member (4), and the engagement member (5) rotate integrally. When the torque acting on the third rotating member (4) increases sharply in the steady rotating state, the flywheel (6) is brought into a torque transmission restriction state in which the torque transmitted between the second rotating member (3) and the third rotating member (4) is reduced or lost on the basis of the inertia force acting on the flywheel (6).

A rotary actuator includes a motor powering a harmonic drive during normal operation. The rotary actuator includes a brake that can selectively hold the position of the harmonic drive even in the event of main power loss to the rotary actuator. The rotary actuator includes a clutch arrangement that allows freewheeling of the harmonic drive in only a first rotational direction in the event of power loss to the rotary actuator. The clutch arrangement also enables movement in the second rotational direction without transferring to the motor when the counter-load on the harmonic actuator exceeds a predetermined amount of force.

The invention relates to a drive train arrangement, preferably for a wind turbine, comprising a rotor shaft (2), a generator (5) and a gearbox (1) which is connected directly or indirectly to the rotor shaft (2) and the generator (5), wherein the gearbox (1) is at least partially or completely integrated into the rotor shaft (2).

The invention relates to the technical field of mechanical transmission control, and discloses an inner gearing type one-way fluid damping ratchet device which comprises a damping inner ring, a damping outer ring, a high-viscosity fluid medium, a rotating disc and an elastic pawl assembly. The damping outer ring and the damping inner ring are coaxially arranged and form a sealing cavity; the high-viscosity fluid medium is filled in the sealing cavity; the turntable is rotatably supported through a rotating shaft; the elastic pawl assembly is fixed on the periphery of the turntable; wherein the turntable has a first rotating direction and a second rotating direction opposite to the first rotating direction; in the first rotating direction, the elastic pawl assembly abuts against the tooth surface of the damping inner ring and rotates synchronously with the tooth surface of the damping inner ring. In the second rotating direction, the elastic pawl assembly slides on the tooth surface of the damping inner ring, and the elastic pawl assembly and the damping inner ring move independently. According to the direction sensing type self-adaptive damping ratchet wheel, the function limitation that a traditional ratchet wheel can only be fully locked or fully free is broken through, and direction sensing type self-adaptive damping is achieved in a single mechanical structure.

The invention relates to a linear drive comprising a spindle drive (2), the spindle drive parts (4, 5) of which are threadingly engaged, one of the spindle drive parts (4) being mounted for longitudinal movement along a drive axis (10) and having a stroke part (11) for executing a stroke. The drum brake (18) is released when a rotationally driven spindle drive part (5) is rotationally driven and is closed when the stroke part (11) is under external load. The drum brake (18) is provided with a plurality of brake shoes (24) and a brake drum (21) having a brake surface (23) for the brake shoes (24). A release actuating element (26) and a closing actuating element (27) are provided, which actuate the brake shoe (24) in opposite directions.

A controller (4) of a winch control device (10) performs: a first control for, when a winding operation is applied in a free mode, switching the mode of a brake device (6) from the free mode to a coupled mode; a second control for, when a winch operating member (25a) is returned to a neutral position, switching the mode from the coupled mode to the free mode in a state where a command for adjusting the secondary pressure of a brake force regulator (2) to a set pressure (Pv1), which is larger than an operation amount corresponding pressure (Pv0) corresponding to the operation amount of a brake operation, is input into the brake force regulator (2); and a third control for inputting into the brake force regulator (2) a command for adjusting the secondary pressure of the brake force regulator (2) to the operation amount corresponding pressure (Pv0).

The invention discloses a one-way device for a winch. The one-way device comprises a winch driving assembly, a winch one-way assembly and a winch fixing assembly. The winch one-way assembly comprises an isolator first transmission cylinder. The winch one-way assembly further comprises an isolator second transmission cylinder, the winch transmission shaft is sleeved with one end of the isolator second transmission cylinder, and the isolator first transmission cylinder is rotationally connected to the isolator second transmission cylinder through the winch one-way bearing part. The winch one-way bearing part is used for preventing directional rotation between the isolator first transmission cylinder and the isolator second transmission cylinder. Due to the arrangement of the winch one-way bearing part, the first transmission cylinder of the isolator cannot rotate reversely relative to the second transmission cylinder of the isolator, the process does not need to be judged and executed by other equipment but cannot rotate reversely, and therefore the problems that the winch is not provided with a brake or the brake is slow in response and cannot rotate reversely are solved. And an operator or equipment is easy to damage.

A reverse-input blocking clutch includes a leaf spring having: two held portions that is arranged on both sides of an input-side engaging portion of an input member with respect to a second direction perpendicular to a first direction which is a direction of movement of a pressing surface of an engaging element moving away from or toward a pressed surface of a pressed member and a center axis of the input member, and elastically held between the input-side engaging portion and an input-side engaged portion of the engaging member; and a base portion that connects the two held portions.

Provided is a clutch unit in which an output-side outer ring member is attached to a base plate without welding. A clutch unit (100) includes an output-side clutch (60) and a housing (11) that accommodates the output-side clutch (60). The output-side clutch (60) includes an output-side outer ring member (62). The output-side outer ring member (62) and the housing (11) have an engagement protrusion (62s) and an engagement groove (11s) that engage with each other to restrict relative rotation therebetween.

Hydrodynamic braking device (2) for a vehicle, the braking device (2) comprising a housing (7), a rotatable brake shaft (8), a brake converter (10) with a fixed stator (11) and a rotatable rotor (12), and a coupling device (13) with a coupling part (14) that can be displaced between a release position and a connection position, wherein the brake converter (10) can be activated by introducing a working fluid and deactivated by draining the working fluid, and the braking device (2) has a flow channel (22) for introducing working fluid into the brake converter (10). The coupling device (13) is effective between the brake shaft (8) and the rotor (12), and the coupling part (14) is designed and / or arranged as a valve piston for closing and releasing the flow channel (22).

Hybrid module for arrangement between an internal combustion engine (2) and a transmission (3), via which a torque of an electric machine (4) and a torque of the internal combustion engine (2) can be transmitted to a module output element (10) that can be coupled to the transmission (3), wherein a coupling device (12) for opening and closing a torque-transmitting coupling of the internal combustion engine (2) with the module output element (10) and an electromechanical actuator (15) for actuating the coupling device (12) are provided, wherein the actuator (15) comprises a rotatable actuator output element (18) that is coupled to an actuating element (13) via which the coupling device (12) can be actuated, wherein at least one rotating element (17, 24) is provided within the drive connection between the actuator (15) and the actuating element (13) during operation of the actuator (15), to which at least one braking device (19) is assigned. is, over which the element (17,24) can be subjected to a braking torque in at least one direction of rotation in which the element (17, 24) rotates to close the coupling of the internal combustion engine (2).

The present invention realizes a structure capable of suppressing shake of an input member. The leaf spring (6) is disposed on both sides of the input-side engagement section (14) in a first direction, which is a direction in which the pressing surface (33) moves far and near with respect to the pressed surface (7), and a second direction, which is orthogonal to the central axis of the input member (3). And two clamped parts (43) which are elastically clamped between the input-side clamping part (14) and the input-side clamped part (34), and a base part (44) which connects the two clamped parts (43) to each other.

The utility model provides a normally closed type double-control clutch brake. The normally-closed double-control clutch brake comprises a left end structure, a middle structure and a right end structure, and the middle structure is located between the left end structure and the right end structure. The middle structure comprises an outer cover, a connecting bearing seat, a second deep groove ball bearing, two sets of mounting bases and a plurality of mounting bolts, a center hole is formed in the outer cover, the connecting bearing seat is arranged in the center hole, and the outer wall of the connecting bearing seat is attached to the inner wall of the center hole; and a bearing hole is formed in the connecting bearing seat. The normally-closed double-control clutch brake is controlled through the independent electromagnetic clutches at the left end and the right end, free switching of synchronous starting and stopping, single-side starting and stopping and asynchronous operation modes of load components on the two sides can be achieved, and the differential control requirement of a complex transmission system is met; and the disadvantage that a traditional single-control structure needs an additional power source is avoided.

There is provided a power closure actuator for powering a movable closure on a vehicle. The power closure actuator comprises: an electric motor having an output; a controller in command of the electric motor; a drivetrain provided between the motor output and an output member of power closure actuator; a brake operable to selectively apply a brake force to the drivetrain; an operator force sensor provided in the drivetrain and configured to detect a force on the output member applied from the closure both due to gravitational force on the closure resulting from vehicle inclination and due to a user-applied force on the closure; and a controller configured to release the brake in response to the operator force sensor detecting a value that corresponds to a force on the closure at or above a predetermined force, the controller configured to disregard the gravitational force so that the predetermined force corresponds only to the user-applied force on the closure.

The present invention relates to a drive module (1) for a motor vehicle (2). The drive module (1) comprises at least a drive unit (3) having a drive shaft (4) and an axle (5) having a first output shaft (6) and a second output shaft (7). The first output shaft (6) and the second output shaft (7) can be connected to the drive shaft (4) in a manner capable of transmitting torque via at least one clutch (8, 9) or via each of the clutches (8, 9). The first output shaft (6) can be braked by a first brake (10), and the second output shaft (7) can be braked by a second brake (11). At least one of the brakes (10, 11) and the at least one clutch (8, 9) can be actuated by a common actuation unit (12, 13).

A steering gear for a vehicle includes a rack I and a steering dynamic one-way stop mechanism. The rack I or the rack rod containing the rack I is connected to the steering dynamic one-way stop mechanism, which can control the rack I to switch between unidirectional and reciprocating motion.

The present invention relates to a switching device (1, 2) for a transmission (100), wherein the switching device (1, 2) comprises at least: - a first component (11, 21), - a second component (12, 22), and - a third component (13, 23), wherein these components (11, 12, 13, 21, 22, 23) interact according to the switching state in such a manner that - a friction clutch device (14, 24) is arranged in the first component (11, 21) and the second component (23). Between components (12, 22), a locking clutch device (15, 25) is arranged between the second component (12, 22) and the third component (13, 23), and a one-way clutch device (16, 26) is arranged between the second component (12, 22) and the third component (13, 23). A connecting device (17, 27) is provided to connect the clutch component of the friction clutch device (14, 24) with the clutch component of the locking clutch device (15, 25).

Non-backdriving rotation transmission mechanism comprising an input shaft (4), an output shaft (1), a fixed casing (2) having a cylindrical cavity (20), and provided in said cavity (20) with a cylindrical braking surface (21), at least one braking element (3) connected to the input shaft (4) and to the output shaft (1) and adapted to interact with said braking surface (21), and means for actuating the braking element (3) such that said braking element (3) is movable from a non-braking condition, wherein transmission of the motion from the input shaft (4) to the output shaft (1) is allowed, to a braking condition, wherein transmission of the motion from the output shaft (1) to the input shaft (4) is prevented. The said braking element (3) comprises two brake pads (30) articulated to each other and each having at least one braking contact zone (34) adapted to interact with said braking surface (21), which brake pads (30) are movable from an engagement position, corresponding to said braking condition, wherein the contact zones (34) are remote from each other and are in contact with said braking surface (21), to a free position, corresponding to said non-braking condition, wherein the contact zones (34) are close to each other and are not in contact with said braking surface (21).