42results about How to "Apply the parking brake" patented technology

The invention relates to an electronic mechanical drive-by-wire brake. The electronic mechanical drive-by-wire brake comprises a motor, a transmission mechanism, a one-way clutch, a gear, a rack, a piston, a friction limiting device and the like. The one-way clutch is driven to rotate by the motor through the transmission mechanism, and the gear is driven to rotate by the one-way clutch; the piston and a caliper body are driven to move in the opposite direction by a gear and rack mechanism, and friction plates are tightly pressed by same forces from both sides of a brake disc, so that the efficient braking effect is achieved. The electronic mechanical drive-by-wire brake is simple in structure, reliable in operation, high in braking efficiency, braking clearance can be adjusted automatically, influence caused by abrasion of the friction plates can be compensated, design for a controlling system is simplified, and the electronic mechanical drive-by-wire brake can be used for the service braking and parking brake.

The invention provides a parking system and a vehicle. The parking system includes a brake pedal, a brake pedal locking piece and a parking brake control piece, wherein the brake pedal locking piece is provided with a locking position and an unlocking position, and the parking brake control piece is connected with the brake pedal locking piece and arranged to be used for controlling the brake pedal locking piece to be switched between the locking position and the unlocking position. By arranging the brake pedal locking piece and connecting the brake pedal locking piece with the parking brake control piece, the parking brake control piece locks the brake pedal in the state of braking through the brake pedal locking piece, and therefore the vehicle can achieve parking brake; the parking system has the advantages of being simple in structure and reliable.

The invention relates to an electric traction rack rail car. The successful development of the car alleviates the contradiction between the rapid development of coal mining, support and excavation equipment in my country and the backward auxiliary transportation equipment in coal mines. It has promoted the upgrading of my country's coal mine equipment to the greatest extent. The present invention includes a track and a frame. The frame is equipped with a cockpit, an explosion-proof diesel generator, an explosion-proof variable-frequency motor, a three-stage gear reducer, an electric control box, a guiding anti-rollover steering frame, etc. The whole locomotive adopts electric-mechanical transmission. , driven by a vehicle-mounted explosion-proof diesel generator, through an explosion-proof variable-frequency motor and three-stage gear reduction, it can realize low-speed high-torque drive; it uses an explosion-proof variable-frequency motor, and through the coordinated use of variable-frequency speed regulation and braking systems, it can realize emergency braking and braking of locomotives. Driving brake, parking brake, etc.; the guiding and anti-rollover steering frame with guide wheels can play the role of guiding and anti-rollover; the electric traction rack rail car of the present invention is a green, safe, efficient, and automatic function A new type of mining transport vehicle integrated.

The invention discloses a foot parking braking and unlocking mechanism which consists of a braking assembly, a ratchet wheel piece, a connecting piece, a pawl and a pedal assembly, wherein the ratchet wheel piece is mounted on the braking assembly through a main shaft; the upper edge of the ratchet wheel piece is connected with the transmission rod of the braking assembly; an arc-shaped groove is formed below the ratchet wheel piece; a track is arranged below the ratchet wheel piece; a guide column which is mounted on the braking assembly is inserted into the arc-shaped groove; a return spring is arranged between the guide column and the ratchet wheel piece; the upper side and the lower side of the track respectively incline upwards and downwards from front to back; the front ends of the upper side and the lower side of the track are connected in a crossing manner; the rear ends of the upper side and the lower side of the track are connected through a folded side; positioning concave points are arranged at the rear ends; a ratchet wheel is arranged on the lower edge of the ratchet wheel; one end of each of the connecting piece and the pawl is pivoted on the braking assembly; another return spring is arranged between the connecting piece and the pawl; a guide pin matched with the track is arranged at the other end of the connecting piece; the other end of the pawl is matched with the ratchet wheel; another return spring is arranged between the other end of the pawl and the guide column; the upper end of the pedal assembly is fixed with the ratchet wheel piece. According to the foot parking braking and unlocking mechanism, the structure is simple, and foot parking unlocking can be conveniently achieved.

The invention discloses a parking system with a handbrake direction control mechanism, so that it belong to that technical field of automobile control, the invention solves the problem that careless drivers or novice drivers are easy to get off without pulling up the brake lever, The main points of the technical scheme are as follows: includes a transverse mounting plate located between two handles of a small tricycle logistics vehicle, a hand brake plate hinged to a lateral mounting plate close to a side surface of the driver's seat and rotatable in a horizontal direction, a hand brake cableconnected to a brake of a small tricycle logistics vehicle, and an auxiliary hand brake cable connected to the hand brake cable at one end and to the hand brake plate at the other end and controlled by the hand brake plate and pulling the hand brake cable; A loc assembly for locking that handbrake plate is instal on both sides of the transverse mounting plate. The parking system of the invention with the direction control mechanism of the handbrake has a front end of the hand brake plate installed on the drive for prompting the driver to park the brake.

A parallel two-wheeled vehicle provided with braking means to directly brake two wheels includes: a body; a pair of drive units coaxially mounted to the body; a T-shaped handle to be gripped by a passenger; a longitudinal inclination detecting device of the body; and a brake lever. A brake detecting device to detect operational information of the brake lever is further provided. The body includes: a vehicle speed detecting device to determine a vehicle speed based on a relative angular velocity between the body and the wheels, which is detected by the drive units and based on an angular velocity detected by the longitudinal inclination detecting device; a target speed setting device to set a target vehicle speed based on an output of each of the brake detecting device and the vehicle speed detecting device; and a stabilization control device to control the vehicle to stably follow the target angle / target angular velocity / target vehicle speed. Further, powder brakes are incorporated in the drive units, respectively.

The invention relates to an electronic mechanical drive-by-wire brake. The electronic mechanical drive-by-wire brake comprises a motor, a transmission mechanism, a one-way clutch, a gear, a rack, a piston, a friction limiting device and the like. The one-way clutch is driven to rotate by the motor through the transmission mechanism, and the gear is driven to rotate by the one-way clutch; the piston and a caliper body are driven to move in the opposite direction by a gear and rack mechanism, and friction plates are tightly pressed by same forces from both sides of a brake disc, so that the efficient braking effect is achieved. The electronic mechanical drive-by-wire brake is simple in structure, reliable in operation, high in braking efficiency, braking clearance can be adjusted automatically, influence caused by abrasion of the friction plates can be compensated, design for a controlling system is simplified, and the electronic mechanical drive-by-wire brake can be used for the service braking and parking brake.

The invention discloses a parking control system and method and a vehicle. The parking control system comprises a parking execution mechanism, a parking control unit and an automatic parking unit, and the parking control unit comprises an abnormal driving state output end; one end of the automatic parking unit is connected with the abnormal driving state output end, the other end of the automatic parking unit is connected with the parking executing mechanism, and when the automatic parking unit detects that the abnormal driving state output end is in a first preset potential state, the parking executing mechanism is controlled to execute a parking clamping action; wherein the first preset potential state represents that the parking control unit breaks down. The problems that under the condition that a parking control circuit breaks down, a scheme for achieving parking braking is large in redundancy and high in cost can be effectively solved.

A zero-turn electric lawn mower, including: universal front wheel assembly A, emergency brake parking brake assembly B, integral welded frame assembly C, central mowing disc and height adjustment assembly D , cover and console assembly E, driving control assembly F, seat assembly G, wheel side deceleration drive wheel assembly H and energy system assembly I, the middle mowing disc and height adjustment assembly D It is composed of the mowing disc height adjustment assembly and the middle mowing disc assembly; the mowing disc height adjustment assembly includes the lifting joystick assembly, the lifting device rocker, the lifting connection weldment, the J-shaped side connecting shaft, the rear Transition connecting plate, J-shaped front shaft assembly, rotating shaft and bush seat; middle mowing disc assembly includes mowing disc casters, cutters, mowing disc front connecting plate, mowing disc, mowing disc rear connection panels and side row grass covers. By optimizing the design of the composition and structure of the lawnmower, it can meet the needs of horticultural lawn pruning management in complex environments.

The invention relates to the field of engineering machinery, in particular to a composite braking system. The composite braking system comprises a seat, wherein the seat is fixedly connected with a gearbox main body; an end of a transmission shaft extends out of a shell of the gearbox main body and is fixedly connected with an output flange; the transmission shaft is connected with the outer end of the output flange in a fastened manner through a connecting bolt; the inner end of the output flange is in sleeve connection to the outer side wall of the transmission shaft; a main cavity is formedbetween the shell of the gearbox main body and the transmission shaft; the transmission shaft in the main cavity is fixedly connected with a bidirectional piston; an oil cylinder body of which the rear section inner side wall is matched with the outer side wall of the bidirectional piston is arranged in the main cavity and positioned on the outer side of the bidirectional piston; the inner end ofthe oil cylinder body is fixedly connected with the gearbox main body; and a buffering auxiliary device is arranged between the seat and the bidirectional piston. The composite braking system is reasonable in structural design; on the basis of reduction of the manufacturing cost, vehicle emergency braking, parking braking, running braking and micro-motion functions are fulfilled; and when the composite braking system is used, the safety factor is high.

The invention relates to a floating clamp disc drive-by-wire brake comprising a motor, a transmission mechanism, a one-way clutch, a bi-directional nut, a left-handed screw, a right-handled screw, a piston, a friction limiting device and the like. The motor drives the outer circle of the one-way clutch to rotate through the transmission mechanism, the one-way clutch drives the bi-directional nut to rotate, and through a bi-directional thread mechanism, the piston and a braking clamp body are driven to move in the opposite directions correspondingly. A friction piece is tightly pressed from the two sides of a braking disc through the same force, and thus the efficient braking effect is achieved. According to the floating clamp disc drive-by-wire brake, the structure is simple, work is reliable, the braking efficiency is high, the braking gap can be automatically adjusted, the influence caused by friction piece abrasion is compensated, the design of a control system is simplified, and the floating clamp disc drive-by-wire brake can be used for travelling braking and parking braking.

The invention relates to a P-gear control method of an electronic-control mechanical type automatic transmission of a pure electric vehicle, comprising the following steps of: a, detecting the position of a gear shift handle and vehicle speed; b, when the gear shift handle is positioned at the P gear and the vehicle speed is lower than a preset value, shifting to a neutral position; and c, locking the P gear. Preferably, in the step b, a synchronizer is driven to shift to the neutral position by rotating a shift motor and driving a transmission device to drive a shift fork; and in the step c, a P gear motor rotates and the transmission device drives a pawl to lock a ratchet wheel fixed with the input shaft of the transmission so as to lock the input shaft of the transmission and realize parking braking. The invention also provides a D gear control method and a correlative control system. The invention enhances the reliability and the stability of the parking braking of the electric vehicle, can also realize the automatic and stable gear shift of the transmission, reduce the gear shift impact, increase the dirigibility and riding comfortableness of the electric vehicle and sufficiently develop the efficiency of the motor, has ingenious and reasonable design and is suitable for large-scaled popularization and application.

The invention discloses a foot parking braking and unlocking mechanism which consists of a braking assembly, a ratchet wheel piece, a connecting piece, a pawl and a pedal assembly, wherein the ratchet wheel piece is mounted on the braking assembly through a main shaft; the upper edge of the ratchet wheel piece is connected with the transmission rod of the braking assembly; an arc-shaped groove is formed below the ratchet wheel piece; a track is arranged below the ratchet wheel piece; a guide column which is mounted on the braking assembly is inserted into the arc-shaped groove; a return spring is arranged between the guide column and the ratchet wheel piece; the upper side and the lower side of the track respectively incline upwards and downwards from front to back; the front ends of the upper side and the lower side of the track are connected in a crossing manner; the rear ends of the upper side and the lower side of the track are connected through a folded side; positioning concave points are arranged at the rear ends; a ratchet wheel is arranged on the lower edge of the ratchet wheel; one end of each of the connecting piece and the pawl is pivoted on the braking assembly; another return spring is arranged between the connecting piece and the pawl; a guide pin matched with the track is arranged at the other end of the connecting piece; the other end of the pawl is matched with the ratchet wheel; another return spring is arranged between the other end of the pawl and the guide column; the upper end of the pedal assembly is fixed with the ratchet wheel piece. According to the foot parking braking and unlocking mechanism, the structure is simple, and foot parking unlocking can be conveniently achieved.

The present disclosure relates to a parking control system and a vehicle. The parking control system includes a manual parking control mechanism (1), an electric parking control mechanism (2), a switching mechanism (3) and a locking mechanism. The switching The mechanism (3) is configured to be switchable between a first position and a second position, in which the switching mechanism (3) can establish a relationship between the manual parking control mechanism (1) and the brake transmission connection, in the second position, the switching mechanism (3) can establish a transmission connection between the electric parking mechanism and the brake, and the locking mechanism selectively locks the switching mechanism In said first position or said second position. Through the above technical solution, the parking control system provided by the present disclosure can have both the electronic parking function and the manual parking function, and can achieve parking braking more safely and reliably.