286 results about "Parking pawl" patented technology

A method for detecting information on occupied parking space in a traffic network, in particular a town, uses a parking space detection control center. Parking space information relating to a stationary phase of a vehicle and the vehicle location is transmitted to the control center from a navigation system at the vehicle. Information relating to empty parking space is generated by the control center and information relating to empty parking space is transmitted from the control center to a navigation system at the vehicle end.

To provide a parking assistance device for accurately detecting obstacles in the periphery of a parking zone; for detecting a parking space in which a vehicle can be parked without coming into contact with the obstacles; and for satisfactorily assisting a driving operation. The parking assistance device detects a stationary object present in the periphery of a vehicle, and assists in parking the vehicle. The parking assistance device comprises surface shape detection means (1) for detecting the surface shape information of the stationary object; shape recognition means (2) for recognizing the outline shape of the stationary object on the basis of the surface shape information; movement status detection means (6) for detecting the movement status of the vehicle; relative placement calculation means (3) for calculating the relative placement relationship of the vehicle and the stationary object on the basis of the surface shape information, the outline shape, and the movement status; and parking space detection means (4) for detecting a parking space in which the vehicle can be parked on the basis of the placement relationship.

A vehicle parking locking device comprises a parking ratchet wheel, a parking detent and an actuating mechanism, the actuating mechanism comprises a pressing head used for driving the parking detent to move between a locking position and an unlocking position in a switched mode, the parking detent comprises a first end and a second end opposite to the first end, and the first end is close to the parking ratchet wheel; the pressing head comprises a supporting frame, a containing space is formed inside the supporting frame, the first end on the back of the parking detent extends outwards to form a locating piece in the length extending direction of the parking detent, the locating piece is contained in the containing space when the parking detent is located in the locking position, and the locating piece penetrates out of the containing space and stopped by the supporting frame when the parking detent is located at the unlocking position. When the parking detent in the vehicle parking locking device is located at the unlocking device, the locating piece on the parking detent can be stopped by the supporting frame, the range in which the parking detent moves downwards due to shake is limited, the parking detent is prevented from being meshed with the parking ratchet wheel, and therefore it is guaranteed that mistaken gear shifting of the parking detent cannot occur.

The invention discloses an automatic parking control method of a pure electric vehicle. A vehicle control unit (VCU) receives various signals of the vehicle, performs logic judgment on different working conditions and controls a hydraulic braking system, a motor control unit (MCU) and a parking pawl driving device as well as instrument information display and P on / off light display. The control method is divided into an uphill control mode, a downhill control mode, a flat-road control mode and a parking control mode. The automatic parking control method of the pure electric vehicle is capable of automatically applying appropriate braking force to the four wheels of the vehicle on a slope or at an intersection for green light, and locking a transmission by use of a parking pawl. When the vehicle starts, the braking force is controlled to be released and the locking of the transmission is cancelled in proper time, and therefore, the automatic parking function is realized and traffic accidents can be avoided. While the functional requirements are met, the vehicle weight is reduced and the vehicle manufacturing cost is reduced.

In an automatic transmission employing a parking-lock mechanism accommodated in a transmission casing for mechanically locking and unlocking a transmission output shaft of a speed-change system, the transmission casing includes a first casing and a second casing integrally connected to each other. A shift-lever-operated manual shaft and a cam-equipped parking rod are installed on the first casing, whereas a support actuator having a guide face for the cam and a pivotable parking pawl operated by the cam for meshed-engagement with a parking gear of the transmission output shaft when a specified longitudinal displacement of the parking rod has been reached are installed on the second casing. A temporary-retaining structure is provided on a transmission-output-shaft bearing retaining wall fixedly connected to a face of the first casing facing the second casing, for temporarily retaining the cam attached to the tip of the parking rod.

A method of operating a display system in a vehicle (03) for finding a suitable parking place (06) with at least one camera (01) with which an observation area in the vicinity of the vehicle (03) can be recorded, with an image processing unit in which the image data coming from a camera (03) can be processed and a display screen (02) in the interior of the vehicle on which the image data coming from the image processing unit can be displayed as an image (07). A parking place symbol (08, 18, 20) is superimposed by the image processing unit on the current image (07) on the display screen (02), symbolizing true to scale an area in the current image (07) which the vehicle (03) can reach in parking, starting from its current position, taking into account the properties of the vehicle, in particular the size of the vehicle and the maximum steering angle.

A parking apparatus of a continuously variable transmission includes a manual shaft vertically provided at the front of a primary shaft for driving both parking mechanism and manual valve operating mechanism. The parking mechanism comprises a lock arm, a parking rod, a parking pawl and a parking gear provided in a secondary pulley. The parking rod is rigidly fitted to a spacer and also it is slidably fitted to a cam. The cam abuts against the spacer by the biasing force of a spring. When a select lever is not positioned at a parking range, the spacer slides on a supporter so as to disengage the parking pawl with the parking gear. When the select lever is positioned at the parking range, the cam pushes upward the parking pawl so as to engage the parking pawl with the parking gear.

The present invention relates to an open parking lot empty parking space prompting system. The system comprises a sensing device, an industrial personal computer, a prompting device and an illegal parking-prevention device; the sensing device is located at a position in a rear position of a parking space, wherein the rear position of the parking space is adjacent to the middle of the parking space; the prompting device comprises an empty parking space position prompting device and an empty parking space display; the empty parking space position prompting device comprises an automatic lifting bar and a prompting lamp, wherein the automatic lifting bar is arranged at the rear end of the parking space; and the illegal parking-prevention device comprises a second pressure sensor and hydraulic road piles, wherein the hydraulic road piles are arranged on boundary lines on two sides of the parking space, and the second pressure sensor is arranged on the boundary of the front end of the parking space and is correspondingly connected with the hydraulic road piles. According to the open parking lot empty parking space prompting system of the present invention, different colors are displayed at different heights, so that the use condition of the parking space can be indicated, and therefore, a driver can be guided to search an empty parking space more effectively, time can be saved; and the alarm prompting of an alarm and the lifting of the hydraulic road piles can assist in avoiding horizontal parking of the driver or occupying two parking spaces by one vehicle, and practicality can be improved.

The invention discloses a parking and braking mechanism of an automobile gear box, which mainly comprises a parking gear wheel, a parking ratchet, an actuating rod, a slipping spring, a cam slide block, a plurality of support pins, an intermediate moving rod and a positioning track plate, wherein the cam slide block is connected at the front end of the actuating rod and does slipping connection with the rear end of the parking ratchet under the function of precompression force of the slipping spring; the actuating rod is connected on the intermittent moving rod; and the positioning track plate is connected with the intermittent moving rod when in shift P and shift R, and is disconnected from the intermittent moving rod when in shift N and shift D. When in shift P, the parking ratchet is pushed to the parking gear wheel by the driving pin on the positioning track plate through the intermittent moving rod, the actuating rod, the slipping spring and the cam slide block, and then the gear box is braked. By arranging the support pins and the intermittent moving rod, the slipping speed and control precision of the parking and braking mechanism can be enhanced, and the service life of the braking mechanism is prolonged through the slipping connection of linear contact.

The invention discloses a vehicle networking-based intelligent vehicle-mounted parking system, which mainly comprises a plurality of cameras, a plurality of ultrasonic radars, a vehicle-mounted MCU, a wireless communication module, a detection module, a navigation module, an indoor positioning module, and a TFT (thin film transistor) display screen. Based on the vehicle networking-based intelligent vehicle-mounted parking system, a parking space is automatically searched for a vehicle based on vehicle networking. Meanwhile, the functions of automatic cruising and automatic parking are realized. The parking speed is increased and the parking efficiency is improved. The system has a wide application prospect.

A parking pawl actuation assembly for a transmission includes a shaft, a hub member rotatably supported by the shaft, a cam plate and lever plate rotatably supported by the hub member, a first resilient member disposed between the cam plate and the lever plate, and wherein the resilient member applies a rotational force on the cam plate in a first rotational direction when the lever plate is rotated in the first rotational direction, an actuator configured to selectively rotate the lever plate to one of a plurality of positions, and a parking pawl member configured to engage the cam plate and the parking gear of the transmission.

A handle bar master cylinder assembly for supplying pressurized hydraulic fluid through a brake line to actuate a brake in a vehicle. The assembly comprises a master cylinder having a master cylinder body defining a hydraulic fluid reservoir, a reciprocating master cylinder piston located within a hydraulic fluid reservoir, a handle bar attachment bracket connected to the master cylinder body and having a park pawl engagement section, a hand brake lever rotatably secured to the handle bar attachment bracket and in abutting contact with the reciprocating master cylinder piston, and a park pawl pivotably secured to the hand brake lever, the park pawl having an end engageable with the park pawl engagement section of the handle bar attachment bracket to maintain the brake lever in an applied position. When the pawl is set, a park pawl compensation flexure occurs due to a change in hydraulic fluid temperature.

A park lock of a transmission, including a park gear; a park pawl rotating about a pawl shaft, the park pawl having a pawl portion locking the park gear, the park pawl including a cam contact portion; a park rod responsive to an operation of a controller, the park rod having a cam portion pressing the cam contact portion to have park pawl engage the park gear; a park sleeve receiving the cam portion and defining a first contact point providing a reactive force to the cam contact portion of the park pawl pressing against the cam portion at a second contact point; a pawl torsional spring biasing the park pawl towards disengagement; and a pawl stopper limiting the rotation of the park pawl wherein motions are constrained within a plane of the transmission and components are rotatingly disposed in parallel axis bores in one half of a transmission case.

The invention discloses a parking locking mechanism for an automatic transmission. The parking locking mechanism for the automatic transmission comprises a shifting rocker arm, a parking gear and a parking pawl; the shifting rocker arm is fixed on a shifting shaft and drives the parking pawl to move through a driving assembly; the driving assembly comprises a parking rocker arm, a parking pushing rod and a roller seat; the parking rocker arm is fixed on the shifting shaft; one end of the parking pushing rod is hinged to the parking rocker arm and while the other end of the parking pushing rod is mounted to the roller seat; a roller is arranged on the roller seat; a returning spring is arranged between the roller seat and the parking pawl. The parking locking mechanism is reasonable and compact in structure, and reliable in performance.

The invention relates to a method for supporting a driver of a vehicle (1) when maneuvering in or out of a parking space (3), wherein the surroundings of the vehicle (1) are detected during the maneuver in or out and compared to previously detected data of the surroundings in order to detect objects (17) not previously detected, it is evaluated whether stopping the vehicle (1) before a collision with an additionally detected object (17) is still possible and emergency braking is initiated, or a warning to the driver to initiate emergency braking is still possible, and risk-minimizing measures are taken when a collision cannot be avoided or can just barely be avoided.

The invention provides a parking locking mechanism for automatic transmissions. The parking locking mechanism comprises a gearshift rotary arm, a gearshift shaft, a gearshift rocker arm, a transfer assembly, a parking pawl and a parking gear, wherein the transfer assembly comprises a parking push rod, a parking spring, a rolling wheel frame and a rolling wheel; the rolling wheel is matched with the parking pawl, and acts on a pawl rolling path of the parking pawl; and the parking pawl is matched with the parking gear. The gearshift rocker arm of the parking locking mechanism drives the gearshift rotary arm to carry out a gearshift action through the rotation of the gearshift shaft, the gearshift rotary arm is connected with the transfer assembly and transfers a gearshift power to the parking pawl, and the parking pawl is matched with the parking gear to realize locking and unlocking; and the parking locking mechanism is simple in structure, capable of being adjusted in size and position according to different use needs, easy to use in the different automatic transmissions, and high in universalization degree.

The invention provides a gearbox and an automatic parking executing device thereof. The automatic parking executing device comprises a parking gear, a parking pawl, a parking executing rod, an automatic parking driving mechanism and a manual P-gear unlocking mechanism. When the parking pawl is clamped in a gear groove of the parking gear, P-gear parking is achieved; and the parking executing rod can move in a reciprocating manner so as to drive the parking pawl to be engaged into or disengaged from the P gear. The automatic parking driving mechanism drives the parking executing rod to automatically move in a reciprocating manner. The manual P-gear unlocking mechanism can drive the parking executing rod to move in a reciprocating manner. When a vehicle cannot be started or a gearbox breaksdown, the manual P-gear unlocking mechanism can be operated to drive the parking executing rod to move in the direction of being engaging into the P gear so that the parking pawl can be clamped into the gear groove of the parking gear, the parking pawl can still be engaged into the P gear, and therefore safety is improved. When the vehicle is locked in the P-gear state, the manual P-gear unlockingmechanism can also be operated to drive the parking executing rod to move in the direction of being disengaged from the P gear, the parking pawl can disengage from the gear groove of the parking gear, P gear unlocking is achieved, and then the vehicle can be moved for maintenance conveniently.

A parking mechanism includes a parking gear disposed within a belt type continuously variable transmission and coaxially fixed to a first rotational shaft of a secondary pulley. A parking pawl is rotatable on a plane perpendicular to the first rotational shaft and able to engage the parking gear with a transmission housing to stop rotation of the secondary pulley. A manual shaft is rotatable with an operational force of a driver for a lever. A detent mechanism is provided for changing a rotational movement of the manual shaft to a movement in a direction of the first rotational shaft. The movement in the direction of the first rotational shaft is transmitted to the parking pawl through a rod. A cam is disposed at an end section of the rod to change the movement in the first rotational shaft to a rotational movement on the plane perpendicular to the first rotational shaft. The parking gear is integrally formed at an outer peripheral section of a fixed sheave of the secondary pulley. The detent mechanism for operating the parking pawl is disposed to side of the movable sheave of the secondary pulley. At least a part of the rod is located above a belt passed on a primary pulley and the secondary pulley of the belt type continuously variable transmission.

The invention relates to a parking mechanism for an automatic transmission. The parking mechanism comprises a parking ratchet wheel connected with an output shaft, a parking pawl meshed with the parking ratchet wheel and an execution pin driving the parking pawl to enable the parking pawl to be meshed with the parking ratchet wheel. The parking mechanism further comprises a guide plate and a parking base. A parking floor board is removed from the parking mechanism, each part is directly installed on a transmission casing, meanwhile, a novel structure and a connection mechanism are adopted, and movement in fives gears including P,R,N,D and S of a parking system is achieved. The parking mechanism has the advantages of being reasonable in structure of the parking system, simple in process and convenient to assemble, and the requirements for peripheral design are reduced.

The invention provides a method and system for guiding a vehicle into a parking stall in a parking lot. According to parking stall information in the parking lot, the parking stall is automatically distributed to a vehicle which enters the parking lot; according to the relation between the entrance and the distributed parking lot, a guiding rout is calculated automatically; and vehicle information is detected at key points for guiding the vehicle to the parking stall, guiding information is provided for the guided vehicle to guide the vehicle into the parking stall. The method and system can be used to guide the vehicle into the parking stall in the parking lot in a fully automatic manner, and manual intervention in traditional parking process is not needed..

The invention relates to a method for supporting the process of leaving a parking space and to a corresponding device. The method relates to methods for supporting the processes of leaving parking spaces of motor vehicles, wherein data of different board sensors is used for determining a collision-free process of leaving a parking space, comprising the following steps: a) Determining sensor data during parking for modeling the physical surroundings of the motor vehicle, b) calculating data for describing the surroundings, c) storing the data, d) retrieving the stored data for determining the physical surroundings of the motor vehicle relevant for the process of leaving a parking space, e) checking the stored data for plausibility, f) releasing the data and g) using the data for calculating a collision-free path for leaving the parking space. The invention further relates to a device for the execution of a method for leaving a parking space.

A parking mechanism applied to an automated mechanical transmission (AMT) comprises a transmission control unit (TCU), a P gear sensor and a P gear mechanical execution mechanism. The P gear mechanical execution mechanism comprises a parking motor arranged outside a transmission box body and a transmission mechanism, a parking cam, a parking ratchet wheel and a parking pawl which are arranged inside the transmission box body. A set of P gear parking mechanism is added on a traditional AMT, a P gear control and driving unit is added in the TCU, and accordingly the P gear parking function of the AMT is achieved. The P gear parking mechanism is simple in structure, easy to manufacture, low in cost and convenient to control and can be massively applied to AMTs to achieve parking of the AMTs.

The invention discloses a P gear actuator of an automobile transmission, which includes a parking motor arranged outside the transmission case, a worm gear assembly, a rack assembly, a parking ratchet and a parking pawl, etc.; the rack assembly It is composed of a rack shaft, a parking cam limit sleeve, a parking cam and a parking spring; the worm gear assembly is composed of a worm gear and a gear set on the worm shaft, and one end of the worm shaft extends out of the transmission case and is connected to the P gear sensor The gear of the worm gear assembly meshes with the rack part on the rack shaft of the rack assembly; the output end of the parking motor is connected with a worm, and the worm meshes with the worm wheel on the worm gear assembly; the parking cam and the parking pawl One end is close to, and the ratchet at the other end of the parking pawl is matched with the tooth groove on the parking ratchet that is connected to the transmission input shaft. The beneficial effect of the invention is that the structure is simple and compact, the overall performance is good, the reliability of the car parking is improved, and the manufacturing and control are easy, and the production cost is low.

The invention relates to the field of vehicle automatic control and in particular relates to a parking brake control method. An electric parking brake (EPB) control method for an electric car is characterized by carrying out following control after setting the delay time: from a driving state to a parking brake lock state, firstly carrying out lock operation on a vehicle by using an EPB system, waiting for the delay time and then sending a parking brake signal to an electric parking pawl (EPP) system by a vehicle control unit to carry out lock operation on the vehicle; and from the parking brake lock state to the driving state, firstly controlling the EPP system to be unlocked by the vehicle control unit after a brake pedal is depressed, waiting for the delay time and then unlocking the EPB system. The method has the beneficial effects that the reliability of the EPP system is improved by starting the EPB and EPP systems in sequence, thus avoiding seizure of the EPP system under the full load condition or the long ramp condition and eliminating abnormal sounds produced by parking on the short ramp and unlocking under the full load condition; and meanwhile, parking and unlocking can be smoothly carried out under the long ramp condition, thus improving the reliability of vehicle control.

The invention provides a parking mechanism of an automotive automatic transmission, belonging to the automotive technical field, and the problems of complicated structure and high processing cost of the existing parking mechanism are solved. The parking mechanism of the automotive automatic transmission comprises a parking ratchet wheel connected with a differential shell, a parking pawl meshed with the parking ratchet wheel, and a positioning rail plate hinged on an automobile body, wherein, the parking pawl is hinged on the car body through a rotating shaft; the parking ratchet wheel, the parking pawl and the positioning rail plate are positioned in the same plane; the positioning rail plate is hinged with a push rod; the push rod is sequentially sheathed with a sliding part and a spring one end of which props against the end part of the sliding part, and the sliding part props against the parking pawl under the action of a pressure bar; and when the positioning rail plate rotates, the sliding part can push the parking pawl to be clamped in the ratchets of the parking ratchet wheel. The parking mechanism of the invention has the advantage of compact and simple structure, good assembly technique and the like.

The invention discloses an automatic gearbox transmission mechanism of an automobile. The mechanism comprises a gear shifting mechanism and a parking mechanism, wherein the parking mechanism comprises an intermediate gear planet carrier, a parking ratchet, a parking pawl, and a parking driving device connected with the gear shifting mechanism and used for driving the parking pawl to move, and the parking ratchet and the intermediate gear planet carrier are integrated. Due to the fact that the parking ratchet and the intermediate gear planet carrier are integrated, the parking ratchet and the intermediate gear planet carrier can be directly cast by workers, and then the machining difficulty of the automatic gearbox transmission mechanism is reduced. The invention further discloses an automobile comprising the automatic gearbox transmission mechanism.

Device (2) for supporting a parking process of a vehicle (1), in particular a motor vehicle, in a parking space (3) arranged transversely to the vehicle (1), having a parking space measurement with a sensor device (6) A device and an evaluation unit (11) with an evaluation unit (11) connected to a sensor device (6) for determining a parking trajectory of a vehicle into a parking space (3). For precise parking support advice, a selection device (13) is provided connected to the evaluation unit (11) for selecting a parking trajectory (12) from a plurality of different parking trajectories determined by the evaluation unit (11). Furthermore, the invention relates to a method for supporting a parking process of a vehicle (1), in particular a motor vehicle, in a parking space (3) arranged transversely to the vehicle (1) by means of such a device (2).

The invention discloses a parking locking device used in a vehicle transmission and a transmission utilizing same. The parking locking device comprises parking pawls, a pawl base used for mounting the parking pawls in a pivotal manner and a parking ratchet wheel, circumference of which is fixed on a power input shaft of the transmission to rotate along with the power input shaft, wherein the at least two parking pawls are arranged along the outer side of the circumference of the parking ratchet wheel, and one of the parking pawls is engaged with the parking ratchet wheel to form brake locking while the power input shaft is reversed; a pivotal end is formed at one end of each parking pawl, and an engaged end is formed at the other end of each parking pawl to abut against and fit to an outer gear ring of the parking ratchet wheel all the time. The parking locking device is suitable for preventing a vehicle from reversing; after power shutoff, a transmission shaft of the transmission can be effectively prevented from reversing or the vehicle can be effectively prevented from reversing while each pawl can form brake engage, or one pawl is instantly jointed with ratchet teeth of the parking ratchet wheel, so that the rotation stroke of the parking ratchet wheel is reduced; relatively great impact force is prevented from being generated when the pawls are jointed with ratchet teeth of the parking ratchet wheel, so that the parking pawls are prevented from being damaged; and meanwhile, the noises and the vibrations are reduced.