33results about How to "Implement the brakes" patented technology

This invention discloses a automobile handle brake and acceleration control device, which comprises handle control push bar, sensor driver push bar movement sensor and the control circuit in current brake and oil system, wherein, the push bar is fixed on panel supportive bar and the drive processes brake or acceleration control through control push bar and the sensor to sense push bar position information into voltage signals; the brake operation voltage signals are sent to brake system to fulfill brake operation; the brake operation voltage signals are sent to brake system to fulfill brake operation.

The invention discloses a trolley with braking devices and a weighing mechanism. The trolley comprises a body (1), a handle (2) and wheels (3), and further comprises the weighing mechanism, the braking devices and a pulling device. A panel (7) is arranged on the upper portion of the body (1), and the weighing mechanism is installed in the body (1) and connected with the panel (7). The weighing mechanism comprises a control circuit. Each braking device comprises supporting columns (51), a braking plate (52), a rubber pad (53) and springs (54). The supporting columns (51) are vertically installed under the body (1). The braking plates (52) are provided with insertion holes, and the supporting columns (51) are installed on the braking plates (52) in an inserted mode through the insertion holes. The rubber pads (53) are connected under the braking plates (52). The trolley can weigh transported goods, and meanwhile a worker can master the transporting speed of the trolley conveniently so as to achieve the braking function.

The invention discloses a wear-free hydraulic braking method, device and vehicle, and belongs to the technical field of vehicle braking. The braking device comprises a gear pump, wherein a liquid inlet and a liquid outlet are formed in the gear pump. The braking device is characterized in that a first passage through which the liquid inlet and the liquid outlet are communicated is also formed in the gear pump, and a braking valve is mounted on the first passage. According to the braking device, flow of liquid between the liquid inlet and the liquid outlet can be blocked by closing the first passage, and when a pump shaft of the gear pump rotates, pressure difference is formed between the liquid inlet and the liquid outlet, and the pressure difference compels the pump shaft to stop rotating to be reduced, so as to realize braking; the gear pump is a mature product for a long time, is stable in performance, and is simple and reliable in structure when used for realizing braking, so that hydraulic braking is realized, and friction braking in the prior art is innovated.

The invention discloses a numerical control electric screw press which comprises a machine body (3), a main screw rod (209), a main nut (501), a motor (1), a flywheel (205), a slider (7) and a transmission system (8) which is arranged between the motor (1) and the main screw rod (209); the top of the main screw rod (209) is provided with a clearance adjusting mechanism (9); lubricating systems (5)are arranged between the machine body (3) and the main screw rod (209) as well as between the machine body (3) and the main nut (501); and the outer side of the motor (1) is provided with a cooling system (10) and a braking system (2). For the numerical control electric screw press, reliable transmission of a torque can be realized through a transmission mechanism, and the numerical control electric screw press has the characteristic of flexibility and adjustability; in addition, through the cooling system, the heat dissipation effect of the motor is good, the fault rate is low, the adjustingprecision of an axial clearance of the main screw rod is high, and the numerical control electric screw press is convenient and rapid; and meanwhile, instant braking can be realized, the power transmission performance of the spiral press as well as the reliability and the stability of the system are greatly improved.

The invention discloses an agricultural product transport device. The device comprises a fruit tree planting ramp, a walking wheel rail is arranged above the fruit tree planting ramp, the extension direction of the walking wheel rail is parallel to the fruit tree planting ramp, a walking wheel unit is arranged on the walking wheel rail, the walking wheel unit can walk in the extension direction of the walking wheel rail, a left brake gear body does the centrifugal movement to be clamped between two adjacent inner gears on a left inner gear ring, a right brake gear body does the centrifugal movement and then is clamped between two adjacent inner gear bodies on a right inner gear ring, and therefore brake of the walking wheel unit can be achieved.

The invention discloses a driving and braking integrated device for a pirate ship. The driving and braking integrated device comprises a hydraulic cylinder. A lower bottom plate is fixed to the upper end of the hydraulic cylinder. Multiple guide pillars are evenly installed on the lower bottom plate. A positioning plate is arranged above the lower bottom plate. A motor is installed at the front portion of the positioning plate. A drive shaft is arranged on the rear side of the motor. A sliding frame is installed at the upper end of the positioning plate. A first drive set is installed at the right portion of the sliding frame. A second drive set is installed at the left portion of the sliding frame. A driven shaft is installed at the rear portion of the positioning plate. Second clutch plates are installed at the left end and the right end of the driven shaft correspondingly. An air cylinder is installed at the right end of the positioning plate. A drive shaft is installed at the rear end of the positioning plate. Friction wheels are installed at the left end and the right end of the drive shaft. The driving and braking integrated device has the beneficial effects that the structural design is compact, and use is convenient; the first drive set and the second drive set are matched for achieving driving and braking of the pirate ship, traditional driving and braking devices of the pirate ship are replaced, a large amount of energy is saved, and the operation cost of the pirate ship is reduced.

The invention discloses a self-locking type automobile emergency braking system, which is composed of a spring supporting seat, a fixing lock, a rope collecting roller, a sliding arc plate, a clamping plate, a friction plate and a tripod, and is arranged right above each driving wheel. According to the self-locking type automobile emergency braking system, an emergency braking button, which is arranged in a driving cab, is pressed when emergency braking is needed; the emergency braking button is used for controlling an electromagnetic valve switch to open an air reservoir, so that air pressure enters into a cylinder barrel body, which is fixed at the bottom part of an automobile frame, through an air circuit; a piston rod, which extends out of the cylinder barrel body, drives a lock pulling rod on the fixing lock to act, so that a locked retaining ring at the top part of a shock absorber is released; the front part of the sliding arc plate, which is integrally connected with the shock absorber, slips downwards by means of the own gravity; a combined body, which is formed by the friction plate and the clamping plate, slips in front of the wheel along the sliding arc plate, so that the braking is realized, and traffic accidents are effectively prevented. The self-locking type automobile emergency braking system is suitable for various types of vehicles, and is especially applied to heavy trucks and large vehicles.

The invention discloses the brake control system of a motor tricycle, which comprises a hand brake bracket, a foot brake pedal, a foot brake pull rod, a first-stage transmission rod, rear pull rods, a rear axle, a second-stage transmission rod and a front pull rod, wherein the rear axle is mounted at the rear part of a frame, brake arms at the left end and the right end of the rear axle are respectively connected with tail ends of the two rear pull rods, front ends of the two rear pull rods are respectively connected with the left end and the right end of the second-stage transmission rod, the middle part of the second-stage transmission rod is connected with the rear part of the front pull rod, the front end of the front pull rod is connected with the middle part of the first-stage transmission rod, the hand brake bracket is mounted at the left end of the first-stage transmission rod, and the right end of the first-stage transmission rod is connected with the foot brake pedal by the foot brake pull rod. Based on the mode of the first-stage and the second-stage transmission rods, the system of the invention can balance the braking forces on the left rear wheel and the right rear wheel and eliminate defects of direction deviation, insufficient brake force and the like. On the premise of not changing the control mode, the system of the invention has the characteristics of being delicate in concept, simple in structure, easy in reconstruction, and low in reconstruction cost and the like.

The invention discloses a liquid piston hydraulic-pneumatic engine which comprises a pneumatic-hydraulic cylinder, a hydraulic power mechanism, a liquid working medium return system and a liquid gas source, wherein the liquid gas source is communicated with the pneumatic-hydraulic cylinder sequentially through a high-pressure liquid pump and a liquid heat absorption heat exchanger; the liquid in the liquid gas source is quantitatively introduced into the liquid heat absorption heat exchanger and is gasified into a gaseous working medium in the liquid heat absorption heat exchanger; the gaseous working medium is communicated with the pneumatic-hydraulic cylinder through a gaseous working medium control valve, or the liquid gas source is communicated with the pneumatic-hydraulic cylinder sequentially through the high-pressure liquid pump and a liquid working medium control valve; and the liquid in the liquid gas source is quantitatively introduced into the pneumatic-hydraulic cylinder and is gasified into a gaseous working medium in the pneumatic-hydraulic cylinder. According to the invention, a piston crank-link mechanism of the engine is omitted; and the engine disclosed by the invention has the advantages of high efficiency, small volume, light weight and the like.

The invention provides an electric control caster with a compound worm gear for transmission. The electric control caster comprises a caster assembly, a body supporting system and a transmission control system. The transmission control system is installed in the body supporting system. The caster assembly penetrates through the body supporting system and is connected with the transmission controlsystem. The body supporting system comprises a supporting sleeve installed on the support, a bearing assembly installed at the lower end of the supporting sleeve, a positioning rotating plate and a wiring harness slide ring. One end of the wiring harness slide ring is electrically connected with a motor power supply and the control system. The current input is controlled by the control system so that the forward and backward rotation of the motor can be controlled; the braking, straight going and universal functions are realized through internal structures; the working states of the caster canbe rapidly switched; the various handled complicated conditions in use are comprehensively considered, the structure is compact, operation is simple, and the working states of the casters can be controlled by means of an electric control panel; the traditional manual operation complexity is effectively avoided, and an effective solution is provided for the intellectualization in the medical fieldand other fields.

The invention relates to the field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle brake control system which comprises a brake distributor, a first brake mechanism, a secondbrake mechanism, a brake pipeline, a brake pressure regulating control system and a brake distributor control system; wherein the first brake mechanism and the second brake mechanism are connected with the brake distributor; the brake distributor is provided with a first adjusting valve and a second adjusting valve, the first brake mechanism is connected with the first adjusting valve, the secondbrake mechanism is connected with the second adjusting valve, and the brake pressure regulating control system is connected with the brake distributor through a brake pipeline; and the brake distributor control system is connected with the brake distributor, so that the problem of unmanned control of the brake system in the process of changing a Nanchang Y-5 plane into the unmanned aerial vehiclesystem is solved.

The invention relates to the technical field of gantry machining centers, in particular to an ultrahigh-speed movable column type gantry machining center, and solves the problem that the moving accuracy of a stand column of an ultrahigh-speed gantry machining center needs to be improved in the prior art. The ultrahigh-speed movable column type gantry machining center comprises a workbench, a cross beam arranged above the workbench, a ram arranged on the cross beam, a sliding column installed on the ram and a machining cutting die installed at the bottom end of the sliding column, and further comprises two sets of fixing bases symmetrically arranged, and two moving grooves are symmetrically formed in the tops of the fixing bases. According to the ultrahigh-speed movable column type gantry machining center, when a stand column stopping command is started, speed stopping plates rapidly move downwards till positioning toothed plates connected with outer side plates are vertically connected in an inserted mode so as to limit inertial motion of stand columns, braking of inertial motion of the ultrahigh-speed movable column type gantry machining center is achieved through the up-and-down insertion meshing mode of teeth, and therefore the stability and the accuracy of high-speed movement of the loaded stand columns are realized.

The invention relates to an automatic braking device and a rail transport vehicle with the automatic braking device. The automatic braking device is characterized by comprising a friction wheel, a first transmission gear, a second transmission gear, a centrifugal clutch and an eccentric wheel, wherein the friction wheel, the first transmission gear, the second transmission gear, the centrifugal clutch and the eccentric wheel are arranged below the vehicle and sequentially driven; the device further comprises a wedge-shaped piece and tension springs symmetrically arranged on the two sides of the wedge-shaped piece, the upper end of the wedge-shaped piece is rotatably connected below the vehicle, the upper ends of the tension springs are fixed below the vehicle, and the lower ends of the tension springs are fixed to the side face of the wedge-shaped piece; under the action of the tension springs, the wedge-shaped piece can be lifted to make contact with the eccentric wheel; and when theeccentric wheel is driven to rotate through a driven piece of the centrifugal clutch, the wedge-shaped piece is pushed down to rotate to be clamped between wheels and the ground. The automatic brakingdevice has wide application range and can be applied to the field of rail transport vehicles, not only is simple in structure, small in size, low in production cost, but also is capable of effectively realizing braking, and is high in reliability and safer.

The invention discloses a self-travelling type island-reef foundation construction platform which comprises a platform main body; at least one travelling mechanism is arranged on the platform main body; the travelling mechanism drives the platform main body to act; at least one side of the platform main body is equipped with a construction opening which penetrates into the platform main body by certain distance; and the size of the construction opening is matched with the size of a to-be-positioned construction part. The invention discloses the self-travelling type island-reef foundation construction platform which is simple to operate, is stable and reliable, guarantees pile forming quality, ensures quick and precise platform positioning and greatly saves construction time.

The invention provides a powerful balance brake device comprising a brake drum, a bottom plate, a left brake shoe, a right brake shoe and cam mechanisms. The left brake shoe and the right brake shoe are oppositely arranged to form two pairs of opposite end faces, guiding holes are formed in the two end faces of the left brake shoe and the two end faces of the right brake shoe, and one cam mechanism is arranged between each pair of opposite end faces of the left brake shoe and the right brake shoe; and each cam mechanism comprises a cam shaft, a guide shaft and a cam, the cams are arranged on the cam shafts, through holes are formed in the middle portions of the guide shafts, the cam shafts penetrate through the through holes, one end of each guide shaft is inserted into the corresponding guiding hole of the left brake shoe, and the other end of each guide shaft is inserted into the corresponding guiding hole of the right brake shoe. The technical problems that the braking force is small and braking is not sensitive are solved.

The invention discloses a parking device for a hydraulic drive device. The parking device comprises a hydraulic pump, an A-port one-way sequence valve, a B-port one-way sequence valve, an A-port logical valve, a B-port hydraulic control one-way valve, a hydraulic motor overflow valve, a logical valve control port overflow valve, a hydraulic motor, an A-port hydraulic control one-way valve, a B-port logical valve and an oil tank. The parking device has the following technical advantages that the oil way non-obstruction condition of the hydraulic motor is controlled through the overflow valves, so that the operation condition of the hydraulic motor is controlled, the parking function of the hydraulic motor is achieved, the backward sliding phenomenon caused by the fact that starting time of a brake can not be easily controlled is effectively avoided, and the problem that a person riding device is overhead and slides backwards when a load is started is solved; when unforeseen circumstances occur, the hydraulic motor is stopped so that the braking function can be achieved; the parking device is simple in structure, easy to operate and good in safety.

The invention relates to a riding robot control system for electric line inspection for an unmanned plane and belongs to the technical field of line inspection equipment. An actuator of a riding robotis connected with the unmanned plane, a control system comprises a processor, a sensor, an external isolation input module, a communication module and an execution unit, the processor and a flight controller serial port of the unmanned plane are in a two-way communication connection, and the processor is in communication connection with the execution unit through the communication module. The riding robot control system is advantaged in that the riding robot is enabled to cross complex obstacles with the help of the unmanned plane, the unmanned plane is docked on a line through the riding robot, working hours are guaranteed, and the inspection work is convenient.