310results about "Mechanical braking transmission" patented technology

According to a first aspect of the present disclosure, there is provided a dolly featuring at least one wheel, an auto-engaging brake, and a release mechanism for selectively manipulating the auto-engaging brake from an applied state to a released state. The dolly further includes a tow bar which is connected to the release mechanism for operating the auto-engaging brake between the applied and released state.

The invention discloses an anti-explosion differential steering wheel system with a caliper brake, which can solve the problem that a steering wheel is unstable due to different rotating speeds between two wheels during turning, can stably run in an anti-explosion environment, and realizes short-time and short-distance emergency braking. Torque is input through the driving motor, passes through the gearbox, the differential mechanism and the driving speed reducer and then is output to the tires, forward and backward power is provided for the differential steering wheel system, an inner wheel and an outer wheel can rotate at different speeds when a steering wheel turns at a high speed under the action of the differential mechanism assembly, the driving efficiency is improved, and the running stability of a vehicle is effectively guaranteed. Brake torque provided by the caliper brake assembly acts on tires through the gear box, the differential mechanism and the driving speed reducer, so that the steering wheel can complete braking in a short time and a short distance. All components of the differential steering wheel are subjected to explosion-proof sealing, and explosion-proof electric appliance elements are adopted, so that fire disasters or explosions in the external environment caused by the differential steering wheel can be effectively prevented.

Embodiments of the invention relate to a brake system (200), to wheeled manual handling equipment (100), and to a foot pedal subassembly (201). The brake system (200) comprises: a foot pedal (108) having a cavity (206); and a brake mechanism (202) connecting the foot pedal (108) to at least one wheel brake (300), wherein the brake mechanism (202) comprises a one-way driver (204) to enable push-to-engage and push-to-release actuation of the at least one wheel brake (300) by the foot pedal (108), and wherein the one-way driver (204) is within the cavity (206) of the foot pedal (108).

The utility model provides an unhooking braking and parking braking system for a trailer, which belongs to the technical field of trailer braking systems and comprises a front axle, a mop, an upper push rod, an upper connecting rod, a lower push rod, a lower connecting rod, a front pull rod, a chain body, a rear pull rod and a brake. The two ends of the upper connecting rod are hinged to the front pull rod and the upper push rod respectively, and the two ends of the lower connecting rod are hinged to the front pull rod and the lower push rod respectively. A rocker arm of the brake is hinged to the rear pull rod which is connected with the chain body. The mop rotates upwards to push the upper push rod, and the brake pull rod is pulled through the upper connecting rod to drive the brake to achieve parking braking. The mop rotates downwards to push the lower push rod, and the brake pull rod is pulled through the lower connecting rod to drive the brake to achieve unhooking braking. When parking braking and unhooking braking are carried out, the chain body can pull the rocker arm of the brake to carry out braking. When vibration occurs, the chain body reduces the influence of vibration through certain contraction and swing.

A pressure control device has a device body partially delimiting a first circuit side opening, a second circuit side opening, and a conduit having a first conduit portion connectable to a first circuit to receive a first circuit fluid at a first circuit pressure and a second conduit portion connectable to a second circuit to receive a second circuit fluid at a second circuit pressure. A pressure adjusting mechanism controls the first and / or second circuit pressure to reach an actuating pressure. When at least one of the first and second circuit pressures is lower than a threshold pressure, the pressure adjusting mechanism prevents fluid passages between the first and second conduit portions to actuate either a first or a second braking device. When the first and second circuit pressures are both higher than the threshold pressure, the pressure control connects the first and second conduit portions to actuate the first and second braking devices.

The invention provides an adjustable pneumatic brake and an adjusting method, and relates to the technical field of brakes, the adjustable pneumatic brake comprises a box body, a power executing mechanism, a brake arm and a force amplifying mechanism, the power executing mechanism comprises an air cylinder and an elastic energy storage assembly, and the elastic energy storage assembly comprises a disc spring shaft, a disc spring set and a shaft seat; the disc spring shaft is connected with the air cylinder piston rod and penetrates through the shaft seat, and the disc spring set is sleeved at the tail end of the disc spring shaft. And two groups of symmetrically arranged brake arms are hinged in the box body, and one ends extend out of the bottom of the box body. The force amplifying mechanism comprises a connector, an adjustable connecting rod and an adjusting structure, the connector is fixed to the tail end of the disc spring shaft, and the two ends of the adjustable connecting rod are hinged to the connector and the brake arm respectively. When the air cylinder drives, the disc spring set is compressed to open the brake arm, and when pressure is released, the disc spring set drives the brake arm to clamp through the force amplifying mechanism. A force transmission path is adjusted through a mechanical structure, the adjusting range is expanded while the structural stability is kept, the braking force can be dynamically adjusted according to the friction coefficient, and the problem that the adjusting range of a traditional pneumatic brake is insufficient is solved.

The invention relates to the technical field of automobile braking systems, and particularly discloses an electronic wedge-shaped brake and a control method thereof. The single motor is matched with the positive and negative thread transmission shaft, synchronous clamping on the two sides is achieved, the structure is simple, and cost is low. Through the self-force-increasing characteristic of the wedge-shaped structure, the required motor driving force is remarkably reduced, and the braking efficiency is improved. The separated wedge column design can effectively avoid the problem of jamming after braking. The transmission shaft has a self-locking function, braking can be stably kept under the power-off condition, and energy consumption is reduced. After braking is finished, the motor rotates reversely to enable the brake pad to reset automatically, and air gap management is facilitated. Compared with a traditional hydraulic or dual-motor braking system, the system does not need a complex pipeline system, is compact in structure, flexible in arrangement and low in cost, and has a good application prospect.

A self-driving work vehicle includes: a front wheel unit; a rear wheel unit including a left rear wheel and a right rear wheel; a variable traveling power supply apparatus that supplies rotational drive power to the left rear wheel and the right rear wheel independently; a left operation implement movable along a first path to adjust a rate of the rotational drive power to be supplied to the left rear wheel from the variable traveling power supply apparatus; a right operation implement movable along a second path to adjust a rate of the rotational drive power to be supplied to the right rear wheel from the variable traveling power supply apparatus; a parking brake provided for the variable traveling power supply apparatus; and a controller configured or programmed to cause a parking brake operating module to operate the parking brake.

The present invention relates to a brake assembly (100, 100ʺʺ), comprising: at least one first brake pad (22a) and at least one second brake pad (22b), wherein the at least one first brake pad (22a) and the at least one second brake pad (22b) each comprising a braking surface arranged opposed to each other and facing each other, a brake caliper (24) operatively connected to the at least one first brake pad (22a) and the at least one second brake pad (22b), wherein the respective operative connections are configured to cause a movement of the brake caliper (24) to move the at least one second brake pad (22b) toward the at least one first brake pad (22a) in response to a movement of the at least one first brake pad (22a) toward the at least one second brake pad (22b) in a braking direction, a brake caliper guidance (7) configured to guide a relative movement of the brake caliper (24) in the braking direction, and an actuating member (1, 20, 26) operatively connected to the at least one first brake pad (22a) and configured to move the at least one first brake pad (22a) into a braking direction by being translationally or rotationally driven, wherein the operative connection between the brake caliper (24) and the first brake pad (22a) comprises at least one transfer mechanism (10) configured to move the brake caliper (24) in an opposite direction of the moving direction of the at least one first brake pad (22a) in the braking direction, wherein the at least one transfer mechanism (10) is operatively connected to the brake caliper guidance (7) for a relative movement of the brake caliper (24) with respect to the brake caliper guidance (7), and wherein the actuating member (1, 20, 26) is configured to drive the transfer mechanism (10) for an opposite movement of the brake caliper (24) along the brake caliper guidance (7) with respect to the at least one first brake pad (22a) being moved in the braking direction.

The device for the braking control of a trailer, comprising: - one control line connectable to a source of a working fluid at a first pressure; - one additional line connectable to a source of a working fluid at a second pressure; - one braking line connectable to the braking system of the trailer; - one accumulator connected to the control line in a fluid-operated manner, - valve means positioned between the accumulator and the braking line and movable between at least one power supply position, wherein the accumulator is placed in communication with the braking line, and one isolation position, wherein the accumulator is isolated from said braking line; - driving means of the valve means; wherein it comprises detection means of the second pressure arranged along the additional line and wherein the driving means comprise at least electrical driving means and at least one electrical driving line operationally connected to the detection means and adapted to send at least one electrical control signal to the electrical driving means depending on the measured pressure so as to command the displacement of the valve means.

An apparatus, system, and method according to which a bellcrank is used to transfer an output of a lever to a component requiring actuation. For example, a bellcrank that includes two interlocking portions transfers an output of a linear motion around a fixed axis via a rotational motion then to a transverse motion in order to pressurize brake fluid in a master cylinder of a vehicle.

The invention relates to a novel friction lining return device for a motor vehicle wheel brake, such as, in particular, a motor vehicle drum brake, comprising a rotationally fixed holder 1 for an actuating device, namely, in particular, a spreading device 4, which acts upon brake-actuated, displaceable, and rotationally fixed friction linings, namely, in particular, expandable brake shoes 2a, 2b, which cooperate with a brake rotor, namely, in particular, with a brake drum, and comprising at least one friction lining return device associated with a friction lining, which serves to return the lining from a brake actuation position to a brake readiness position, or to a return position, for the purpose of releasing the brake. The invention is based on the objective of eliminating deficiencies according to the prior art and thus offering an effectively and simply rationally improved and needs-based compensated return for a friction brake. The object is solved according to the invention by integrating an automatically self-adjusting adjusting means defined without current in each friction lining resetting device, in order to compensate for unsuitable, undesirable, or situationally excessive friction lining resetting, in particular as a result of friction wear, thermal effect, etc., and wherein the friction lining resetting device is clamped with a defined preload force between holder (1) and brake shoe (2a,b).

The utility model relates to the technical field of aircraft service equipment transfer, in particular to a towed aircraft service equipment trailer with an automatic locking device, which comprises a trailer body and an automatic locking mechanism, and a tow bar is hinged to the front end of the trailer body; the automatic locking mechanism comprises a pull rod, a brake cable, an installation support and a brake assembly, the brake assembly is installed on the vehicle body through the installation support and is arranged close to the wheels, the front end of the pull rod is connected with the tow rod, the first end of the brake cable is connected to the rear end of the pull rod, and the second end of the brake cable is connected to the brake assembly. When the free end of the tow bar swings downwards to incline downwards, the pull rod can move along with the tow bar, so that the brake cable is pulled to enable the brake assembly to abut against and lock the wheels. When an airport worker releases the gripper on the tow bar, the tow bar swings downwards under the action of gravity until the free end inclines downwards, the brake cable is pulled to lock the wheels, and the gravity of the tow bar drives the brake cable to automatically complete the locking action.

A brake upper pump with an adjustable force arm, including a brake pump body, a brake handle, and a piston rod components extending into the brake pump body; The position where the user holds the brake lever is the grip input position, the connection between the brake pump body and the brake lever is the rotation fulcrum position, the connection between the piston rod assembly and the brake lever is the thrust output position; The distance between the rotation fulcrum position and the force-generating point of the user's hand-held brake lever forms the input force arm, and the distance between the rotation fulcrum position and the thrust output position forms the output force arm; A first force arm adjustable mechanism is provided at the rotation fulcrum, and the first force arm adjustable mechanism can change the rotation center of the brake lever relative to the brake pump body.

A zero turning radius mower park brake system 100 includes a pair of steering levers (101, fig 1) attached to steering arm brackets 102 that are pivotable forward and reverse on a first axis 112 for r

A cable assembly for a motor vehicle. The invention relates to a cable assembly (300) for a motor vehicle. Accordingly, the invention discloses comprising a coaxial cable (310) having an inner cable (314) and an outer cable sleeve (312), the inner cable (314) being axially movable within the outer cable sleeve (312). The cable assembly (300) further has a rod (320) resting against one end of the outer cable sleeve (312) such that at least a portion (320b) of the rod (320) having a conical outer surface extends with a reduced diameter towards a second end (320b') of the rod (320). The cable assembly further has a tube (330) having an inlet end (330a) and an outlet end (330b) such that the tube (330) has a conical bore extending with a reduced diameter from the inlet end (330a) to the outlet end (330b).

A braking mode switching apparatus includes a braking mode selection component, a transmission member, a stopper, a driver, and a motion control component. The braking mode selection component can move between a first position corresponding to a first braking mode and a second position corresponding to a second braking mode. The transmission member has a first transmission portion and a second transmission portion. The stopper includes a first stopper portion and a second stopper portion. The motion control component is configured to abut against the first stopper portion in response to a case in which the driver is powered on, where the braking mode selection component is located in the first position; and abut against the second stopper portion in response to a case in which the driver is not powered on, where the braking mode selection component is located in the second position.

The utility model relates to the technical field of sanitation vehicle braking, in particular to a double-braking device for a sanitation vehicle, which comprises a braking mechanism, a pedal, a connector, a connecting rod A, a connecting rod B and a power source. When the pedal is stepped on, the connector can be jacked to act on the push rod of the brake mechanism for braking, when the connector is jacked, the connector drives the connecting rod A to move synchronously, the connecting rod A moves in the through hole and the kidney-shaped hole, and therefore the situation that when the connector is jacked to move, interference is caused to independent use of the pedal and the power source can be avoided; the controller controls the power source to push the connecting rod B to move, the connecting rod B acts on the connecting rod A when moving so as to push the connector to brake, and when the connecting rod B pushes the connector, the connecting rod A slides in the through hole to provide a movement space for movement of the connecting rod A, so that the phenomenon that the pedal is interfered by movement of the connecting rod A is avoided; therefore, double braking is formed, and the two braking modes can independently achieve the braking effect and do not interfere with each other in the braking process.

A brake balance mechanism for left and right half shafts of a walking box of agricultural machinery relates to the technical field of agricultural machinery and comprises a mounting frame, a hand brake handle is hinged to the upper portion of the mounting frame, and the walking box is fixedly arranged on the lower portion of the mounting frame and comprises a left brake shaft and a right brake shaft; the hand brake device is characterized in that a brake arm is rotationally arranged on the walking box, and one end of the brake arm is connected with the hinged end of a hand brake handle through a brake rope; the other end of the brake arm is rotationally connected with a rotating block, and brake rocker arms are fixedly arranged at the two ends of the rotating block; the two brake rocker arms are both located on the upper portion of the connecting line of the axes of the left brake shaft and the right brake shaft, and the two brake rocker arms rotate relative to the left brake shaft and the right brake shaft respectively when the two brake rocker arms descend. When the heights of the left and right brake rocker arms in the initial state are inconsistent, the brake arms can automatically adjust the angles with the left and right brake shafts according to requirements, so that the left and right brake forces are basically the same.

The utility model discloses an automobile brake cable with high safety, which relates to the field of automobile brake cables, and comprises a pipe body, one end of the pipe body is connected with an adjusting box, the top of the adjusting box is detachably provided with a top cover, and the inside of the top cover is provided with a dismounting assembly. By arranging the dismounting assembly, when a driving motor in the adjusting box needs to be overhauled, a top cover needs to be taken down, at the moment, a worker rotates an adjusting bolt through a screwdriver to enable the adjusting bolt to move upwards and drive a pressing block to move upwards, at the moment, the pressing block does not extrude two movable blocks any more, and a spring is stretched to push the movable blocks to reset and move; and the movable rod and the clamping block are driven to move, so that the clamping block moves out of the clamping groove and does not clamp and limit the inserting plate any more, at the moment, the top cover can be taken down, then the driving motor in the adjusting box can be overhauled, and the situation that the overhauling of the driving motor is affected due to the fact that the top cover of the adjusting box is difficult to take down is avoided.

An electromechanical brake cylinder (2) for actuating a wheel brake (1), in particular a wheel brake (1) of a rail vehicle, comprises: an electric motor (3) with a rotor (5), a spindle nut (7), a torque transmission device provided between the rotor (5) and the spindle nut (7), and a threaded spindle (8). The spindle nut (7) and the spindle (8) are configured to convert a rotary movement of the spindle nut (7) into an axial movement of the spindle (8), wherein the axial movement of the spindle (8) can be converted into a movement of a brake pad (17) of the wheel brake (1) relative to a braking element of the wheel brake (1), and wherein the torque transmission device is configured to transmit a torque less than or equal to a maximum predetermined torque value between the rotor (5) and the spindle nut (7).

The invention relates to a coupling module for connecting at least one brake actuator with at least one brake release for triggering a brake of a trailer for a light vehicle. To optimize the braking system for a trailer for a light vehicle, the coupling module has at least two input-side receptacles for input-side force transmission elements for receiving forces from two independent brake actuators and at least one output-side receptacle for an output-side force transmission element for actuating the at least one brake, wherein the input-side receptacles are connected to the at least one output-side receptacle in such a way that when a force is applied from a brake actuator to one of the input-side receptacles, a force is exerted on the at least one output-side receptacle and thus on a brake release connected thereto.Furthermore, the invention relates to a braking system for a trailer for a light vehicle, comprising at least one brake and a brake release for triggering the brake, wherein the brake release is connected to the brake on one side, and at least one brake actuation device for performing at least one function selected from the group consisting of parking brake, service brake, and overrun brake. The braking system according to the invention has at least two different brake actuation devices for performing at least two different functions selected from the group consisting of parking brake, manual service brake, and overrun brake, and a first coupling module that connects the other side of the brake release to at least two of the different brake actuation devices, so that the brake can perform at least two functions selected from the group consisting of parking brake, manual service brake, and overrun brake.Finally, the present invention relates to a trailer for a light vehicle, in particular a bicycle or pedelec, with the braking system according to the invention.

The invention provides a vehicle braking method and device. According to the technical scheme, a hydraulic device in the vehicle is controlled to provide first target hydraulic pressure for a front axle and a rear axle, and a motor device in the vehicle is controlled to provide first electric braking force for the front axle and provide second electric braking force for the rear axle; wherein the sum of the first hydraulic braking force generated by the first target hydraulic pressure on the front axle, the second hydraulic braking force generated by the first target hydraulic pressure on the rear axle, the first electric braking force and the second electric braking force is equal to the total braking force needed for braking the vehicle. A ratio of a first sum of the first hydraulic braking force and the first electric braking force to a second sum of the second hydraulic braking force and the second electric braking force is equal to a ratio of a first vertical load of a front axle of the vehicle to a second vertical load of a rear axle of the vehicle. According to the technical scheme provided by the invention, the stability of the vehicle during braking can be improved.

The utility model discloses a rear mechanical brake type integrated brake switch structure. The rear mechanical brake type integrated brake switch structure comprises a foot parking pedal, a mechanical foot brake pedal, a foot parking pull wire, a mechanical foot brake front pull rod, a brake switch, a brake rotating shaft and a mechanical foot brake rear pull rod. The foot parking pull wire and the mechanical foot brake front pull rod are connected to different circumferential positions of the brake rotating shaft respectively, a trigger piece is arranged in the middle of the rotating shaft, and the brake switch is fixed to the frame and opposite to the trigger piece. Through the arrangement, foot parking or a mechanical foot brake can drive the same brake switch to output signals, meanwhile, the rotating shaft is connected with the rear pull rod to drive the rear wheel to brake, signal concentration and structure simplification are achieved, parts and wire harnesses are reduced, and consistency and reliability are improved.

The utility model discloses a transmission mechanism of an electric control power assisting device, which comprises a lead screw nut, a lead screw and a speed reducing device, the speed reducing device comprises a primary gear and a secondary gear, a connecting shaft is arranged in the electric control power assisting device, the primary gear is sleeved on the connecting shaft, a small gear is fixedly connected on a motor output shaft of the electric control power assisting device, and the small gear is sleeved on the secondary gear. The pinion is meshed with the first-stage gear, the first-stage gear is meshed with the second-stage gear, a first step shaft is arranged on the outer wall of the lead screw nut, the second-stage gear is arranged on the first step shaft in a sleeving mode, the second-stage gear is fixedly connected with the first step shaft through a flat key, a lead screw is in transmission connection in the lead screw nut, and a supporting structure is further arranged on the lead screw nut. The supporting structure is in interference fit with the lead screw nut, the motor output shaft amplifies torque through the speed reducer and then drives the lead screw nut to rotate, rotary motion is converted into linear motion of the lead screw, the lead screw is made to move in the axial direction, the first-stage gear and the second-stage gear achieve step-by-step amplification of the torque, and the transmission ratio and the output force are improved.

A valve unit for an anti-lock braking system for bicycles The valve unit (20) comprises an outer valve body (21) defining an axially elongate inner cavity (22) in which a piston valve member (23) is slidably driven. Three stationary annular sealing gaskets (31, 32, 33) are mounted on the outer valve body in the inner cavity (22) and slidingly sealingly engaging the piston valve member (23): an upstream end sealing gasket (31), a downstream end sealing gasket (32) and an intermediate sealing gasket (33) mounted within the inner cavity (22) between an inlet port (27) and an outlet port (26). The outer valve body (21) does not have to provide a sliding surface for moving sealing gaskets and may be made of plastic material.

A zero turning radius mower park brake system includes a pair of steering levers attached to steering arm brackets that are pivotable forward and reverse on a first axis for rotating a pair of traction drive wheels in forward or reverse, and pivotable outwardly on a second axis while in a neutral position. A wire cable connects each steering arm bracket to a park brake. The wire cable retracts sufficiently to actuate the park brake when the steering arm bracket is pivoted outwardly on the second axis, but does not actuate the park brake when the steering arm bracket it pivoted forward or reverse. At least one spring provides a force urging the park brake into engagement when the steering arm pawls to park brake engaged position.

Provided is a saddled vehicle that enables improvements in assembly and appearance by devising the routing structure of a brake cable.　This saddled vehicle (10) has a brake cable (77) that is attached to a steering handlebar (21) and activates a rear wheel brake (91), wherein the brake cable (77) is routed only to either the left or the right from the center in the vehicle width direction. The intermediate portion of the brake cable (77) is supported by a fixing portion (29a) that is disposed on a fuel tank (29). The rear end of the brake cable (77) is supported by a pillion step (50).

The present invention discloses a roller brake and a vehicle with automatic return of brake pads; the roller brake with automatic return of brake pads comprises a plurality of brake pads and a tightening elastic member; the tightening elastic member is annular; wherein, a receiving groove for accommodating the tightening elastic member is further provided on the outer arc-shaped peripheral wall of at least one brake pad, and the tightening elastic member is sleeved outside the plurality of brake pads. The roller brake and the vehicle with automatic return of brake pads provided by the present invention solve the problem that the existing brake pads do not return or fail to return to their proper positions.