77results about "Slip coupling" patented technology

Suppresses imbalance in the first rotating member. [Solution] The power transmission device comprises a torque limiter and a damper unit. The torque limiter has a first side plate, a second side plate, and a friction plate. The damper unit has a first rotating member, a second rotating member, and an elastic member. The first rotating member is configured to rotate integrally with the friction plate. The second side plate has an annular portion and a cylindrical portion. The annular portion extends in the circumferential direction. The cylindrical portion extends from the outer peripheral end of the annular portion to the first axial side. The first rotating member has an outer peripheral surface that abuts against the inner circumferential surface of the cylindrical portion.

To provide a power transmission device that can be made low-cost. [Solution] The power transmission device comprises a drive plate and a torque limiter. The torque limiter comprises a first side plate, an inertia member, a friction plate, and a biasing member. The first side plate is configured to be positioned on a first axial side relative to the drive plate. The first side plate is configured to rotate integrally with the drive plate. The inertia member is positioned on a first axial side relative to the first side plate. The inertia member is configured to rotate integrally with the first side plate. The friction plate is positioned to rotate relative to the first side plate. The pressure plate clamps the friction plate in cooperation with the first side plate. The biasing member biases the pressure plate axially toward the first side plate.

To provide a novel torque limiter that prevents one working piece 44 of two axially adjacent braking torque applying means 8 from interfering with the other working piece 44, thereby stabilizing the magnitude of the braking torque provided by the braking torque applying means 8. [Solution] At a circumferential position on the inner peripheral edge of the base 42 of the braking torque applying means 8 where the working piece 44 is not provided, a support piece 46 extending axially beyond the working piece 44 and a receiving piece 48 extending radially inward are provided. The support piece 46 and the receiving piece 48 of one of the two braking torque applying means 8, which are stacked in the axial direction, are aligned in the circumferential direction.

Multi-plate slip clutch (1) for a motor vehicle drivetrain, comprising a first clutch component (3) having several first friction plates (2) and a second clutch component (5) having several second friction plates (4), wherein the first friction plates (2) and the second friction plates (4) are arranged alternately in the axial direction and are permanently pressed against each other by means of a spring element (6), forming a frictional engagement, wherein a carrier (7) of the first clutch component (3) receiving the first friction plates (2) has two axially supported support plates (8, 9) and several circumferentially distributed studs (10) connecting the support plates (8, 9) to each other, and the studs (10) are also used for rotationally fixed support of the first friction plates (2), wherein the second clutch component (5) has a hub body (15) receiving the second friction plates (4), characterized in thatthat a second support plate (9) of the carrier (7) of the first coupling component (3) is cup-shaped and has a hub section (14) arranged radially within the first friction plates (2) and the second friction plates (4), and the hub section (14) of the first coupling component (3) projects at least partially axially into the hub body (15) of the second coupling component (5).

The present invention relates to clutch assemblies, rearview devices, vehicles, and methods of manufacturing the same. A clutch assembly for a rearview device of a vehicle includes a shaft having a first end, a second end, and a middle portion between the first end and the second end. The first end of the shaft includes a first clutch gear, and the second end of the shaft includes a pinion gear. The middle portion of the shaft includes a flange, a recess, a guide portion, and a shaft portion. A second clutch gear includes a cylindrical void and circumferentially surrounds the middle portion of the shaft. The cylindrical void of the second clutch gear includes a first inner wall portion, a second inner wall portion, and a protrusion between the first inner wall portion and the second inner wall portion. The second clutch gear is in contact with the middle portion of the shaft at a first friction region, a second friction region, and a third friction region.

The application relates to a torque limiter, belonging to the technical field of mechanical manufacturing. The torque limiter comprises a driving end flange, a driven end flange and a plurality of ejector pin devices. The plurality of ejector pin devices are arranged at intervals along the circumference of the driven end flange and are connected with the driven end flange; and the plurality of ejector pin devices are arranged in pairs symmetrically relative to the central axis of the driven end flange. The ejector pin devices are movably connected with the driving end flange. In normal working conditions, the torque is transmitted by the contact between the force applied by the ejector pin devices and the driving end flange; when the system is overloaded, the overload force overcomes the force applied by the ejector pin devices to make the ejector pin slide or displace to cut off the power, thereby quickly responding to the protection system, and the torque limiter can be automatically reset after the overload is eliminated. In addition, the torque is uniformly distributed due to the symmetric distribution and the movable connection characteristics, the work is stable, and the convenience and the work efficiency of the equipment are remarkably improved.

The utility model relates to a kind of elastic friction coupling of adjustment, comprising: left axle sleeve, connecting bolt, double nut, V belt, right axle sleeve, half pulley, left axle sleeve bevel step is attached left side V belt left side, left side V belt right side is attached right axle sleeve big end left side bevel step, right axle sleeve big end right side bevel step is attached right side V belt left side, right axle sleeve small end is in half pulley hole, half pulley bevel step is attached right side V belt right side;Connecting bolt sleeve is connected in the mounting hole of left axle sleeve and half pulley, double nut is connected in the left end of connecting bolt.The utility model replaces friction plate with double V belt, double nut prevents bolt connection, change from rigid coupling to elastic coupling by friction coupling, reduce installation precision requirement, improve shock-absorbing and friction force balance effect, and give consideration to adjustability and anti-loosening.

The invention relates to a spring damper (1) for a motor vehicle powertrain (2), comprising a primary part (3), a secondary part (4) rotatably received in a spring-damped manner relative to the primary part (3), and a first overload protection coupling (6) operatively interposed between the secondary part (4) and a hub element (5) and permanently closed below a threshold of the torque to be transmitted at least in the event of a sudden occurrence of the torque to be transmitted and releasing the relative rotation between the secondary part (4) and the hub element (5) above said threshold, wherein a second overload protection coupling (7) is operatively radially interposed within the first overload protection coupling (6) between an output (8) of the first overload protection coupling (6) and the hub element (5). The invention also relates to a powertrain (2) comprising said spring damper (1).

A clutch assembly (10), in particular for a winding device for wires, tubes and the like, which is configured to be mounted between a power group (200) and a driven element (300) is described. The clutch assembly (10) comprises: a first shaft (11) and a second shaft (12) being coaxial and rotational about an axis (X); clutch means (20) interposed between the first and second shafts (11, 12), the clutch means (20) in turn comprising at least one clutch disk (21); an urging and adjusting group (30) for the clutch means (20) configured to press the at least one clutch disk (21) against the first and second shafts (11, 12) with an adjustable elastic force. The urging and adjusting group (30) comprises an endless screw (31) and a gear wheel (32) in mutual screwing engagement.

. Mechanical torque limiting device (1 ) comprising a containment body (2) comprising an inner cavity (3) open at an insertion mouth (30) a pack of discs (4) entirely housed in said inner cavity (3) and structured for limiting said transferable mechanical torque to a maximum mechanical torque, the pack of discs (4) comprising a plurality of first discs (5) and a plurality of second discs (6) wherein said containment body (2) comprises one or more through discharge openings (22), wherein each through discharge opening (22) comprises a respective inlet mouth (24) facing said inner cavity (3), and wherein each respective inlet mouth (24) is arranged upstream of said coupling portion (8) of the containment body (2) mechanically coupled with said first discs (5)

A clutch servo motor for preventing gear damage from overload operation is disclosed, relating to the field of servo motor technology. The technical solution includes a drive unit and a reduction gear set connected to the drive unit. The reduction gear set includes coaxial output teeth, transmission teeth, and a limiting component to prevent axial displacement between the output and transmission teeth. The transmission teeth are connected to the drive unit, and the output and transmission teeth can rotate relative to each other. A clutch unit is provided between the output and transmission teeth. The clutch unit includes an elastic element, a smooth protrusion, and a slot. The elastic element presses the smooth protrusion into the slot. This invention utilizes the elastic element to press the smooth protrusion into the slot to transmit torque. During overload operation, when the torque exceeds a preset value, the smooth protrusion slides out of the slot, causing the transmission and output teeth to rotate relative to each other, thus protecting the reduction gear set. Its structure is simple and occupies a small volume.

The utility model relates to a damping device and power transmission device provide compact damping device. Damping device has first rotating part, second rotating part, elastic part and first friction part. First rotating part has along the circumference arrangement multiple first through -hole. Second rotating part has multiple second through -hole. Each second through -hole is when observing with the axial and corresponding each first through -hole overlap. Second rotating part is configured to be able to rotate with first rotating part. Elastic part links first rotating part and second rotating part elastically. First friction part is arranged between first rotating part and second rotating part. First friction part is constituted and slides with first rotating part in the radial inboard side to each first through -hole and each second through -hole. First friction part is constituted and rotates with second rotating part integrally.

The present disclosure relates to a torque limiter and a torque damping device. The torque limiter comprises: a holding plate used for introducing torque, a first cover plate used for outputting torque, a second cover plate which is axially pressed onto the first cover plate and used for outputting torque, a first friction plate axially provided between the first cover plate and the holding plate, and a second friction plate axially provided between the second cover plate and the holding plate, the first friction plate and the second friction plate being an outer ring and an inner ring formed by separating the same ring-shaped friction plate. Compared with conventional single-friction-plate designs, the separation means saves about half the material costs of friction plates.

Provided is a power transmission device and a torque limiter that can be made less expensive. The power transmission device includes a drive plate and a torque limiter. The torque limiter includes a first side plate, an inertial member, a friction plate, a pressure plate, and an urging member. The first side plate is disposed on a first side in an axial direction with respect to the drive plate. The first side plate is configured to rotate integrally with the drive plate. The inertial member is disposed on the first side in the axial direction with respect to the first side plate. The inertial member is configured to rotate integrally with the first side plate. The friction plate is configured to be able to rotate in opposition to the first side plate. The pressure plate cooperates with the first side plate to sandwich the friction plate. The urging member urges the pressure plate in the axial direction toward the first side plate.

The application discloses a safety shaft suitable for limited space, torque transmission, overload protection and resetting method, which comprises a driven section, a pre-tightening spring is sleeved outside the driven section, one end of the pre-tightening spring abuts against a cylindrical disengaging section which is sleeved outside the driven section through a ball spline pair, one end of the disengaging section away from the pre-tightening spring is connected with a cylindrical driving section which is sleeved outside the driven section along the circumferential direction through a clutch mechanism, an installation blind hole is formed in the driven section corresponding to one end of the driving section along the axial direction, a cam shaft with one end extending outward is coaxially and rotationally matched in the installation blind hole, and a cam mechanism is arranged on the inner end of the cam shaft and penetrates through the driven section along the radial direction and abuts against the inner wall of the disengaging section. The torque limiting function is integrated in the transmission shaft body through integrated design, so that the overload can be quickly disengaged, reliable self-locking after disengagement and convenient manual resetting can be realized, and the torque transmission and overload protection can be completed without destroying the continuity and mechanical integrity of the transmission shaft structure.

A clutch assembly includes a first member for mechanically coupling to an output shaft. A first material is frictionally coupled to a first side surface of the first member. A second material is frictionally coupled to a second side surface of the first member. A compliant member is configured to apply an axial force on at least one of the first material and the second material. A radial spring least partially surrounds an exterior surface of the first member.

Gear unit (1) comprising a transmission (6) with a planetary stage (100), a clutch (10) and a drive shaft (101) connected to a component, in particular a sun gear (102), of the planetary stage (100), wherein the planetary stage (100) comprises a ring gear (105) and a planet carrier (103) and the clutch (10) comprises at least one first clutch element (21) non-rotatably connected to a clutch housing (2, 11) and at least one second clutch element (22) non-rotatably connected to a ring gear (105) and planet carrier (103), wherein the clutch (10) is configured such that the at least one first clutch element (21) and the at least one second clutch element (22) are rotatable relative to each other about an axis of rotation (D) when a torque acting between the at least one first clutch element (21) and the at least one second clutch element (22) exceeds a limiting torque exceeds.

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.

A present power transmission device includes a drive plate and a torque fluctuation inhibiting device. The drive plate is configured to receive a torque outputted from a prime mover. The torque fluctuation inhibiting device is disposed on a first side of the drive plate in an axial direction. The torque fluctuation inhibiting device is configured to be attached to the drive plate. The drive plate includes a disc portion and a first cylindrical portion. The first cylindrical portion extends from an outer peripheral end of the disc portion to the first side in the axial direction.

It is intended to provide a torque limiter obtainable at a low cost. The present torque limiter includes a first side plate, a friction plate, a pressure plate, and an urging member. The first side plate includes an annular portion and a cylindrical portion. The annular portion extends in a circumferential direction. The cylindrical portion extends from an outer peripheral end of the annular portion in an axial direction. The friction plate is disposed to be rotatable relative to the first side plate. The pressure plate holds the friction plate in cooperation with the first side plate, with the friction plate interposed therebetween. The urging member urges the pressure plate toward the first side plate in the axial direction.

The invention relates to a running board (1), in particular for a refuse collection vehicle, with a holder (2) and a movable part (3) comprising a platform (4) and a drive unit with a motor (5) and a gearbox, which is configured to move the movable part (3) from a closed to an open position and back, with a torque limiter (8), with a support element (12) having a disc-shaped part (17) and a hollow cylindrical part (13) projecting from it, wherein the hollow cylindrical part (13) is accessible to and connectable with a drive shaft (7) of a motor (5), and wherein at least one gear (9) and at least one friction plate (19, 20) are arranged on the hollow cylindrical part (13), wherein the at least one gear (9) is toothed with a transmission element (37) which is connected to the movable part (3) in order to move it, and the at least one friction plate (19, 20) are frictionally locked in the system.If the torque acting on the gear (9) exceeds a predetermined limit, the frictional connection is lost and the components slide against each other. This completely or partially prevents the transmission of torque to a motor (5), thus preventing damage to the motor (5) and gearbox. The footboard (1) is thereby protected from damage caused by misuse and impacts against obstacles.

The application discloses a radial grading torque limiter damper, comprising a damper subassembly and a torque limiter subassembly, a first-stage torque limiter is generated by a smaller-diameter friction pair, and a second-stage torque limiter is generated by a larger-diameter friction pair, so that the function of grading torque limiter is realized. The application has the advantages that the torque limiter function is provided by the cylindrical friction pair, and the number of parts of the torque limiter subassembly is reduced compared with the traditional ring-type friction pair.

A power transmission device includes a torque limiter and a damper unit. The torque limiter includes a first side plate, a second side plate, and a friction plate. The damper unit includes a first rotary member, a second rotary member, and an elastic member. The first rotary member is configured to be rotated unitarily with the friction plate. The second side plate includes an annular portion and a cylindrical portion. The annular portion extends in a circumferential direction. The cylindrical portion extends from an outer peripheral end of the annular portion to a first side in an axial direction. The first rotary member includes an outer peripheral surface in contact with an inner peripheral surface of the cylindrical portion.

An extrusion assembly (850) for a micro puree machine is disclosed. The extrusion assembly includes a plunger drive inhibitor configured to restrict input torque applied to the extrusion assembly from transferring to the extrusion drive train and the extrusion plunger (802). The plunger drive inhibitor may be implemented with various mechanisms, including a slip clutch assembly (with or without a frictional cone brake), a torsion spring, and / or an automated slip clutch assembly configured to cut power to the extrusion drive train when slipping of the clutch plates is detected.

To suppress positional deviation in a radial direction of a damper unit with respect to a torque limiter unit of a damper device.SOLUTION: A damper device of this invention includes a torque limiter unit 10, a damper unit 20, and a positioning structure. The torque limiter unit 10 has a damper cover 11 fixed to a first side surface in an axial direction of a flywheel 2. The damper unit 20 has an outer peripheral end arranged closer to a second side in the axial direction than an inner peripheral end of the damper cover 11, and power is transmitted between the flywheel 2 and the damper unit 20 through the torque limiter unit 10. The positioning structure positions the damper unit 20 in a radial direction with respect to the torque limiter unit 10 by allowing an outer peripheral surface of a core plate 16 of a friction disk 13 to abut on an inner surface of the damper cover 11 of the torque limiter unit.SELECTED DRAWING: Figure 3

Torque limiter (1) for a hybrid powertrain of a motor vehicle, comprising an input-side carrier disc (7) having openings (8) distributed in the circumferential direction (U) of the torque limiter (1), into which friction lining elements (6) are positively engaged, with two side parts (11, 12) arranged opposite each other on sides (9, 10) of the carrier disc (7), and with a disc spring (13) pressing a first of these side parts (11, 12) frictionally against first end faces of the friction lining elements (6), wherein the disc spring (13) bears directly against second end faces of the friction lining elements (6) opposite the first end faces in the axial direction (A) of the torque limiter (1) or acts indirectly on them via a pressure disc,wherein the ratio of the thickness (19) of the friction lining element (6) measured in the axial direction (A) between the two end faces of a respective friction lining element (6) to the thickness (20) of the carrier disc (7) measured in the axial direction (A) is greater than 1.05, wherein the extent (21) of each of the friction lining elements (6) in the radial direction (R) of the torque limiter (1) is greater than the extent (22) of each of the friction lining elements (6) in the tangential direction (T) of the torque limiter (1).

The aim is to provide a torque limiter that is available at low cost. The present torque limiter comprises a first side plate, a friction plate, a pressure plate, and a pressure element. The first side plate has an annular section and a cylindrical section. The annular section extends circumferentially. The cylindrical section extends axially from an outer circumferential end of the annular section. The friction plate is arranged so that it is rotatable relative to the first side plate. The pressure plate engages the friction plate with the first side plate, with the friction plate positioned between them. The pressure element presses the pressure plate axially toward the first side plate.

This invention relates to a combined torque limiter and a wind turbine coupling having the same, in the field of wind turbine coupling technology. The torque limiter includes a torque limiter flange, at least two pressure plates, at least two friction plates, and multiple friction pads. The pressure plates are connected to the torque limiter flange via the same set of bolts. The friction plates are respectively disposed between the torque limiter flange and adjacent pressure plates, and between adjacent pressure plates. The friction pads are disposed between the flange and the friction plates, and between the pressure plates and the friction plates, forming multiple friction pairs connected in series. Adjacent friction plates are connected by end face splines to transmit torque and provide axial adjustment clearance. The bolts ensure that all friction pairs generate equal positive pressure. This invention uses the same set of bolts to uniformly tighten all friction pairs, ensuring equal force on each friction pad and eliminating pressure superposition. Within the bearing capacity limit of the friction pads, it effectively increases the slippage torque. Furthermore, it has a compact structure, is easy to debug, and operates stably and reliably, making it suitable for high-power wind turbine couplings.

A gearmotor assembly comprises a stepper motor, a reduction gearbox, and a torque limiter. The stepper motor is configured to receive input power to selectively rotate a motor shaft about a motor axis. The reduction gearbox includes a reduction gear assembly, a motor shaft coupling configured to operably couple the motor shaft and the reduction gear assembly, and a gearbox coupling operably coupled to the reduction gear assembly and having a gearbox coupling axis. The torque limiter is positioned to operably couple the stepper motor, the reduction gear assembly, and the gearbox coupling when a relative net torque between the stepper motor, the reduction gear assembly, and the gearbox coupling is below a maximum torque and to operably decouple the stepper motor, the reduction gear assembly, and the gearbox coupling when the relative net torque is at or above the maximum torque.