1184results about "Automatic clutches" patented technology

Provided is a gear ratchet tensioner for indirect live wire and an indirect live wire non-power distribution method and, more specifically, to an automatic direction switching pendulum-type rotary drive gear ratchet tensioner for indirect live wire and an indirect live wire non-power distribution method using the same, wherein the automatic forward or reverse rotation of a roller shaft can be carried out by simply operating a rotary lever using a stick for indirect live wire, and accordingly, indirect live wire work from the wire in the live wire condition enables safe wiring work such as wire electric dip adjustment work, electric wire installation work, and suspension insulator replacement work, etc. and the roller shaft is formed to be driven by a backstop ratchet ring operated by a multi-angle bundle pearl to strongly prevent a reverse direction and prevent backlash during a reverse rotation driving process to enable strong rotation driving.

An assembly for maintaining the pitch angle of a flight control surface for an aircraft. The assembly includes a shaft comprising a screw thread and defining a shaft axis, and a nut. The nut includes a housing, a barrel located in the housing and comprising a screw thread for engaging with the screw thread of the shaft, and at least one locking element located in the housing. The housing comprises a radially inner cam surface adjacent to the locking element. The barrel is configured to rotate relative to the housing when the screw thread of the barrel is engaged and rotating with the screw thread of the shaft so as to move the locking element along the cam surface from a disengaged position in which the locking element is spaced from the screw thread of the shaft, to an engaged position.

The invention relates to a method for adjusting the slip torque of a slip clutch (1) for a motor vehicle (2), wherein the slip clutch comprises at least one friction disc (3) as an input part (4) and at least one first clamping disc (5) and a second clamping disc (6) as an output part (7), wherein the input part (4) and the output part (7) have a common axis of rotation (8); wherein the friction disc (3) is arranged along the axis of rotation (8) between the clamping discs (5, 6) and is only frictionally connected to the clamping discs (5, 6) relative to a circumferential direction (9); wherein the first clamping disc (5) has a plurality of first openings (10) distributed along the circumferential direction (9) and the second clamping disc (6) has a plurality of second openings (11) distributed along the circumferential direction (9), wherein the first openings (10) are offset relative to the second openings (11) in the circumferential direction (9).The invention further relates to a slip clutch (1) and a drive train (27).

The invention provides a propeller power output meshing device for an aircraft engine. The power output shaft is sleeved with the fixing support to achieve fixed connection, the fixing support comprises an upper installation section and a lower installation section, the upper installation section is of a tubular structure, the lower installation section is of a plane structure, and a step structure is arranged between the upper installation section and the lower installation section; the meshing outer rotor is arranged on the outer side of the fixing support, and the upper mounting section of the fixing support is matched with the meshing outer rotor through a double-row groove ball bearing; the double-row groove ball bearing is installed on the fixed support through a support nut, a friction block assembly is arranged on a lower installation section of the fixed support, and the rotary support is installed on the end portion of the meshing outer rotor through a bolt. The propeller is started after the unmanned aerial vehicle is launched and lifted off under the action of the boosting device, the integration degree of the power device is improved, and a solution is provided for overall integration, part removal and cost reduction design of the unmanned aerial vehicle power device.

A furniture drive includes an adjustment device having a rotatably-supported adjustment element, a transmission mechanism for transmitting a force of the adjustment element, an overload safety device configured to couple the adjustment element with the transmission mechanism upon a rotation of the adjustment element with a torque below a predetermined limit torque. The overload safety device is further configured to decouple the adjustment element from the transmission mechanism upon a rotation of the adjustment element with a torque above the limit torque, preferably such that no torque transmission between the adjustment element and the transmission mechanism takes place. The overload safety device includes a first component having a longitudinal direction and a second component configured to be moved in a direction extending transversely to the longitudinal direction of the first component when the torque is above the limit torque.

The present disclosure relates to a torque limiter including a flywheel; a first axial bearing part; the second axial bearing part and the first axial bearing part are relatively fixed in the axial direction, and a certain distance is formed between the second axial bearing part and the first axial bearing part; the torque input disc is fixed relative to the flywheel in the radial direction and drives the flywheel to integrally rotate around the rotation axis; and the driven disc is used for outputting torque. The torque input disc and the driven disc are axially disposed between the first and second axial load bearing portions, the torque input disc being closer to the first axial load bearing portion and the driven disc being closer to the second axial load bearing portion. The torque input disc and the driven disc abut against each other with a certain axial force, and the driven disc is driven to rotate around the rotation axis through the friction force between the torque input disc and the driven disc. The present disclosure also relates to a transmission assembly including such a torque limiter and a vehicle including the transmission assembly.

A toy kit comprising a toy mobile having a body, a connector for suspending thereby the toy mobile from a target, and a coupler for facilitating coupling between the toy mobile and the connector, the toy mobile and the connector at least when assembled constituting a toy assembly. The toy mobile comprises a connector coupling member fixed to the coupler at a first portion of the coupler. The connector comprises a target engaging component detachably and securely attachable to a target so as to have the toy mobile suspend from the target by means of the connector, and a toy coupling member fixed to the coupler at a second portion of the coupler. The toy assembly comprises a first rotation interface between the body and the connector coupling member and a second rotation interface between the connector coupling member and the toy coupling member selectively allowing relative rotation therebetween. The toy assembly comprises a rotation restriction mechanism for selectively restricting the relative rotation between the connector coupling member and the toy coupling member at the second rotation interface, the first rotation interface allowing a relative rotation between the body and the connector coupling member at least when the relative rotation between the connector coupling member and the toy coupling member is restricted at the second rotation interface.

A cam-type clutch is provided, featuring a torque limiting function. It is adaptable to high torque applications with a simple structure, excellent accuracy, stability, and durability, and can be miniaturized for extended service life. The cam-type clutch comprises: multiple cams arranged circumferentially between at least one pair of inner and outer rings, which are coaxial and rotatable relative to each other; and preloading devices for preloading the multiple cams so that they come into contact with the inner and outer rings. Each cam has an inclination limiting section that restricts the cam's inclination in an engagement direction by coming into contact with a locking section located in a different section of the cam-type clutch than the cam-receiving surfaces of the inner and outer rings.

A clutch device 10 is provided with a centrifugal clutch mechanism 120 having a weight member 130. The centrifugal clutch mechanism 120 is provided with a holding member 140 for holding the weight member 130, a spring 160 for urging the weight member 130, and a pressure contact member 150 for bringing an input-side rotary plate 20 and an output-side rotary plate 22 into pressure contact with each other. The holding member 140 is provided with an engaging hook 143 that projects from an outer peripheral edge 141E of a body 141 toward an outer side M1 in a radial direction M and engages with a clutch housing 30, and an accommodating recess 145 for accommodating the weight member 130. The body 141 is provided with a thick part 141T including a wall part 141A positioned between the engaging hook 143 and the accommodating recess 145 with respect to the radial direction M, and a projecting part 141B that projects from the wall part 141A toward an inner side M2 in the radial direction M and partitions a part of the accommodating recess 145.

The invention relates to the technical field of vehicle transmission power generation, in particular to a vehicle-mounted engine power takeoff driven parking power generation device which comprises a power takeoff and a power generator, a transmission shaft component is arranged between the power takeoff and the power generator, and the power takeoff drives the power generator to work and generate power through the transmission shaft component; the transmission shaft component comprises a first split shaft and a second split shaft which are coaxially arranged, an axial lock sleeve is fixedly arranged on the first split shaft, and the axial lock sleeve axially limits the second split shaft; according to the parking power generation device driven by the power takeoff of the vehicle-mounted engine, a vehicle can have higher safety redundancy, and when the power takeoff breaks down and cannot be connected with power or disconnected from the power, the working condition can be automatically recognized, and power takeoff is disconnected or power takeoff is connected in an emergency.

An assembly for maintaining a pitch angle of a flight control surface of an aircraft is disclosed. The assembly includes a shaft including a thread and defining an axis of the shaft; and a nut. The nut includes: a housing; a barrel located in the housing and including threads for engaging with the threads of the shaft; and at least one locking element, the at least one locking element being located in the housing. The housing includes a radially inner cam surface adjacent the locking element. The barrel is configured to rotate relative to the housing when the threads of the barrel engage with and rotate with the threads of the shaft, thereby moving the locking element along the cam surface from a disengaged position, in which the locking element is spaced from the threads of the shaft, to an engaged position, in which the locking element is wedged between the threads of the shaft and the housing, as a result, relative rotation between the shaft and the housing is prevented.

A hybrid system for use with utility vehicles includes an electric motor including an output shaft and a conductor configured to alternatively receive power from or send power to an electrical power source. The hybrid system includes an internal combustion engine, a first pulley connected to and rotated by the internal combustion engine, and a clutch mechanism. The clutch mechanism includes a ratchet connected to the output shaft of the electric motor to rotate at a first rotational speed, a pawl carrier driven by the internal combustion engine to rotate at a second rotational speed, and one or pawls coupled to and configured to rotate with the pawl carrier. The one or more pawls are configured to be disengaged from the ratchet when the first and second rotational speeds differ and engaged with the ratchet when the first and second rotational speeds are equal.

A clutch can include an input; an output; a centrifugal clutch mechanism that transfers energy from the input to the output, the centrifugal clutch mechanism including: a disk; centrifugal weights movably coupled to the disk; and a central shaft rotatable relative to the disk and extending through the disk, the central shaft comprising drive surfaces, wherein the disk is rotatably coupled to the input, wherein the output is rotatably coupled to the central shaft, wherein the centrifugal weights rotate between a disengaged position in which the centrifugal weights do not interface with drive surfaces and an engaged position in which the centrifugal weights interface with the drive surfaces, and wherein the centrifugal weights are disposed inside the perimeter of the disk when the centrifugal weights are in the engaged position.

A clutch device includes: an input disk; an output disk; and a biasing member configured to press the input disk and the output disk against each other, the input disk and the output disk contact or separate from each other in an axial direction, and at opposing surfaces thereof, respectively have tooth portions engageable with or disengageable from each other, at each tooth portion, recessed and raised portions extending in a radial direction are alternately provided in a circumferential direction, each of the recessed and raised portions is formed so that a width in the circumferential direction may outwardly expands in the radial direction, and engagement force in the axial direction is greater on an inside of the tooth portions in the radial direction than on the outside when the tooth portions of the input disk and the output disk pressed by the biasing member are fitted in each other.

An electric braking device generates a braking force at a wheel via application of a pressing force by a piston by linear motion of the piston in response to the transmission of a forward-direction rotational torque from an electric motor to a linear motion conversion mechanism. The electric braking device is provided with a one-way clutch that cuts off the transmission of a rotational torque between the electric motor and the linear motion conversion mechanism when applied with a rotational torque in a direction opposite to the forward direction and having a magnitude equal to or greater than a predetermined value.

The invention discloses a clutch mechanism and an unmanned aerial vehicle. The clutch mechanism comprises a shell; the connecting piece is arranged in the shell and used for being connected with an engine; the first rotor is provided with an inner cavity, and the first rotor is rotationally arranged in the shell and used for being connected with the paddle seat; the second rotor is located in the inner cavity of the first rotor and comprises a base and a plurality of friction plates, the base is connected with the connecting piece, the first ends of the friction plates are movably connected with the base, the second ends are provided with elastic pieces, the elastic pieces are used for making the second ends away from the inner wall of the first rotor, and the second ends can be attached to the inner wall of the first rotor to make the first rotor rotate. By means of the structure, power transmission is kept, and meanwhile it is ensured that the propellers can be kept static in the low-speed and idle-speed states and cannot interfere with a launcher.

The utility model relates to the technical field of automobile driving systems, in particular to an electric tail gate driving mechanism with an overload protection function and a pickup truck comprising the electric tail gate driving mechanism, the electric tail gate driving mechanism comprises a motor assembly and an output part, the motor assembly is used for driving the output part to rotate, and the electric tail gate driving mechanism further comprises an overload protection device, the overload protection device is arranged between the motor assembly and the output part, and when the output torque of the motor assembly exceeds a set value, the torque, acting on the output part, of the overload protection device is interrupted; otherwise, the method is not interrupted. According to the overload protection device, the motor assembly can be protected, when the required torque exceeds a set value due to overload or mechanical faults, the torque transmitted by a transmission system is limited in a slipping mode, and when the overload situation disappears, connection is automatically recovered, so that mechanical damage is prevented, and expensive shutdown loss is avoided.

The invention provides a bidirectional automatic clutch transmission mechanism and a gear reduction driving device. A bidirectional automatic clutch transmission mechanism comprises a driving wheel, a driven wheel and a roller keeping reset assembly. The inner wall of the driving wheel is provided with at least one pair of eccentric arc surfaces symmetrically arranged in the radial direction. The roller keeping and resetting assembly comprises a locking roller, a roller support used for containing the locking roller and a roller cover plate connected with the roller support. The roller cover plate is provided with at least one pair of elastic arms symmetrically arranged in the radial direction. And after the driving wheel stops rotating, the elastic arm subjected to elastic deformation is reset, and the reverse driving roller keeps the reset assembly rotating relative to the driving wheel, so that the locking roller moves from the locking area to the separation area to be separated from the locking state, and bidirectional automatic clutch is achieved.

A clutch apparatus includes a clutch center, a pressure assembly, a disc spring provided concentrically with the pressure assembly and urging the pressure assembly in a first direction, and clutch springs urging the pressure assembly in the first direction. The clutch center includes spring housing portions housing the clutch springs. An outer edge of the disc spring in a radial direction of an output shaft is located radially outward of the clutch springs.

The disclosure relates to an overload coupling (1) which has a coupling element (2) on the input side and an output-side coupling element (3) and is designed to transfer a torque from the coupling element (2) on the input side coupling element (2) to transmit a torque to the output-side coupling element (3), and to break the form-fit and / or force-fit connection between the input-side coupling element (2) and the output-side coupling element (3) in the event of an overload. The overload coupling (1) is designed as a slip coupling, in which the coupling element (2) on the drive side and the output-side coupling element (3) together form the coupling halves of a gear coupling. According to the disclosure, it is in particular envisaged that the drive-side coupling element (2) is provided with a first front toothing (5.1) on a side facing the output-side coupling element (3), and the output-side coupling element (3) is provided with a second front toothing (5.2) on a side facing the drive-side coupling element (2), the first front toothing (5.1) is designed to be complementary to the second front toothing (5.2) in such a way that the two front toothings (5.1, 5.2) can engage in one another only when the drive-side coupling element (2) has a unique and predetermined rotational position with respect to the output-side coupling element (3).

The invention relates to the technical field of extruders, and discloses an overload protection mechanism for a gearbox of an extruder and the gearbox of the extruder. The overload protection mechanism for the gearbox of the extruder comprises a coupler, the coupler comprises a locking mechanism and two half couplings, one half coupler is connected with the near end of a main shaft, the other half coupler is used for being connected with an output shaft, and the two half couplings are connected through the locking mechanism; the gear assembly is arranged at the far end of the main shaft and provided with an oil outlet channel penetrating in the radial direction. The spindle is provided with an oil inlet channel. The oil inlet channel is connected with the locking mechanism and the oil outlet channel; and when the pressure borne by the locking mechanism exceeds a threshold value, the locking mechanism is separated from the half coupling. The extruder gearbox comprises a temperature sensor, a box body and the extruder gearbox overload protection mechanism. By means of the technical scheme, the technical problem that an overload protection mechanism in the related technology cannot protect a gear box and a gear within the range interval between the rated working condition and the maximum overload working condition is solved.

Provided relates to a rotary drive ratchet used in a wire grip or tensioner and, more specifically, to an automatic direction switching pendulum-type rotary drive ratchet for an indirect live wire, which is configured to adjust, when winding or unwinding a wire grip or tensioner, the forward or backward rotation of a pendulum drive shaft by means of the operation of an automatic reversing pawl and a pendulum drive shaft operation plate in accordance with a reciprocating motion of a pendulum without the operation of a direction switching lever, so as to enable the forward or backward reversing rotation of the pendulum drive shaft to be automatically performed by means of operating a rotary lever using a stick for an indirect live wire without a separate rotational direction switching operation.

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.

To provide a reverse input shutting-off clutch that facilitates manufacturing or assembling, can stably perform lock operation when reverse input torque is added, and can release a reverse input shutting-off function when needed.SOLUTION: When input torque is added, a cam receiver 2 integrated with an input shaft 1 presses a spacer 5 slidably fitted in an eccentric hole 2a. The spacer 5 is supported by an Oldham joint 7 to revolve, thereby integrally rotating an eccentric cam 4 and an output shaft 3. With respect to reverse input torque, the spacer 5 is regulated in revolving and swiveling motion, and two rolling bearings 17 and 18 of a braking mechanism 8 receive a preload to generate braking force to rotations of the input shaft 1, thereby stably locking the output shaft 3. A lock releasing mechanism 9 is provided, which moves a positioning member 16 positioning the rolling bearings 17 and 18 in an axial direction to make the input shaft 1 abut on the eccentric cam 4 so as to transmit rotations, thereby releasing a reverse input shutting-off function.SELECTED DRAWING: Figure 1

The invention provides a granulator clutch coupling capable of being quickly disassembled and assembled. The pelletizer clutch coupling capable of being rapidly disassembled and assembled comprises a connecting gear sleeve, a pneumatic clutch assembly, a coupling left claw disc, an inner inclined surface locking hoop, a rubber elastic body, a coupling right claw disc assembly, a housing and a second clamping spring. The coupler right claw disc assembly comprises a right claw disc, a first clamping spring, a left supporting ring, a right supporting ring, an outer slope locking hoop and a shaft sleeve. According to the invention, spline engagement is matched with an inclined plane locking structure, traditional bolt connection is replaced, and quick assembly and disassembly of parts are realized; the rubber elastic body can absorb vibration and compensate installation errors, and transmission stability and installation flexibility are guaranteed; and the combined design of the housing and the snap spring can effectively protect internal parts and prolong the service life. The coupling is suitable for a transmission system of a granulator, can remarkably shorten the time for online overhaul and part replacement, reduces the shutdown cost of enterprises, and has the advantages of reliable structure, convenience in maintenance and high adaptability.

A clutch having an inner ring, an outer ring, a plurality of sprags positioned between the inner ring and the outer ring, and a spring biasing each of the plurality of sprags towards the outer ring. Each of the plurality of sprags are movable between a disengaged position spaced from the inner ring and an engaged position contacting both the inner ring and the outer ring to rotationally unitize the inner ring and the outer ring.

Centrifugal clutch mechanisms, and transmissions and lawnmowers having centrifugal clutch mechanisms are provided. A centrifugal clutch mechanism includes a clutch bell comprising an annular wall and a circular ring extending away from the annular wall to define an internal cavity, wherein the circular ring comprises an inward facing surface defining a drive surface. The centrifugal clutch mechanism also includes a plurality of centrifugal weights disposed in the internal cavity and an inward biasing element engaged with the centrifugal weights. The inward biasing element biases the centrifugal weights towards a disengaged position in which the centrifugal weights do not interface with drive surface, and upon application of a sufficient centrifugal force, the centrifugal weights are configured to transition to an engaged position in which the centrifugal weights interface with the drive surface.

The invention discloses a barring engaging and automatic disengaging device, and relates to the field of auxiliary equipment of steam turbines. The invention aims to solve the problems of complex structure, large axial occupied space and higher cost of the joint locking clutch of the existing electric barring. The static joint component comprises a rotor (8) and a fixed sliding plug (3), the rotor (8) is sleeved with the fixed sliding plug (3), the fixed sliding plug (3) is provided with a slot (39) with a spiral joint face, and the inclination angle of the spiral joint face is 10-35 degrees; the sliding component comprises a movable sliding plug (37), and inserting teeth on the movable sliding plug (37) are connected with inserting grooves (39) of the fixed sliding plug (3) in an inserted mode and transmit power. And when the rotating speed of the rotor (8) is 8%-15% higher than that of the movable sliding plug (37), the movable sliding plug (37) is automatically separated by axial component force generated by the spiral joint surface. The device is used for connection and automatic disconnection between the steam turbine rotor and the turning gear main body.

The invention discloses a planetary clutch device, and belongs to the technical field of steering engines. The device is used for conducting conversion of different transmission ratios on a steering engine and comprises a clutch spring, a sun clutch piece, a ring gear clutch piece, a planet gear and a planet carrier used for installing the planet gear, the clutch spring abuts against the left end face of the sun clutch piece, the right end face of the sun clutch piece is matched with the ring gear clutch piece in a separable mode, and the planet carrier is used for installing the planet gear. The ring tooth clutch piece comprises an inner gear ring, the planet teeth are meshed with the inner gear ring, and when the clutch spring is stressed to be in a clutch state, the sun clutch piece is disengaged from the ring tooth clutch piece, meanwhile, the sun clutch piece is matched with the planet teeth, and therefore transmission ratio conversion is achieved. The device has the beneficial effects that when the starting speed is high and the load is increased, the clutch of the steering engine is triggered, the planetary gear set immediately joins in transmission, the gear ratio is increased, the torque is increased, and torque conversion can be achieved without electric control matched gear shifting.

The torque limiting device of the ball type harmonic reducer comprises a flexible gear, an output flange, a ball, an elastic piece, a flexible gear pressing plate and a spring flange. A flexible gear groove is formed in the end face of the flexible gear, a spring flange groove is formed in the opposite spring flange face, and the balls are clamped in the flexible gear groove and the spring flange groove. During normal operation, the elastic piece compresses the ball, so that the flexible gear and the output flange are combined into a whole, and the flexible gear transmits torque to the output flange through the ball; when the load torque is larger than the limiting torque, axial force generated by the balls pushes the elastic pieces to be compressed, the balls are made to be disengaged from the grooves of the flexible gear, then rotation slipping is generated between the flexible gear and the output flange, and torque transmission is interrupted. As the torque limiting device is integrated in the harmonic reducer, the end face space of the flexible gear and the end face space of the output flange are fully utilized, the structure is compact, and the size is small.