579 results about "Steering column" patented technology

The invention discloses a low-temperature friction compensation method and system for an electric power steering system, and the method comprises the steps: obtaining the voltage of a PCB temperature-sensitive resistor in a controller of the electric power steering system when a vehicle is powered on; controlling a motor of the electric power steering system to output a detection signal, and collecting a starting current of the motor under the detection signal; based on the PCB temperature-sensitive resistor voltage, the starting current and a preset offline three-dimensional mapping table, the estimated initial temperature of a steering column of the electric power steering system is determined, then the basic compensation torque of the electric power steering system is determined, the real-time compensation torque of the electric power steering system in the operation process is determined, and torque compensation processing is carried out. The estimated initial temperature of the steering column is accurately calculated through the voltage of the PCB temperature sensitive resistor and the starting current of the motor under the detection signal, low-temperature friction compensation is more accurate, hardware such as a temperature sensor does not need to be additionally added, and therefore the hardware cost and the assembly complexity are prevented from being increased.

A steering system for a snowmobile includes a handlebar assembly and a steering column that has an upper end coupled to the handlebar assembly. An electronic steering assist unit is coupled to the steering column between upper and lower posts of the steering column. A steering arm assembly is coupled to a lower end of the lower post. First and second tie rods respectively couple the steering arm assembly to first and second ski assemblies such that turning the handlebar assembly, together with the assistance of the electronic steering assist unit, causes the ski assemblies to pivot. A floating mounting system couples the electronic steering assist unit to forward spars of the frame assembly to prevent a torque pre-load on the electronic steering assist unit. The steering column and the electronic steering assist unit share a common axis of rotation that is positioned along a centerline of the snowmobile.

An axially adjustable steering column assembly includes an upper jacket. The steering column assembly also includes a lower jacket, wherein the upper jacket is received within the lower jacket and is telescopingly adjustable therein, wherein the lower jacket is translatable relative to a stationary component. The steering column assembly further includes a single motor controlling rotation of a leadscrew extending therefrom to actuate telescoping axial movement of the upper jacket and translation of the lower jacket. The steering column assembly yet further includes a first thread form region located at a distal portion of the leadscrew relative to the single motor. The steering column assembly also includes a second thread form region located at a proximal portion of the leadscrew relative to the single motor, wherein at least one feature of the first thread form region is different than the second thread form region.

When a driver who gets off the vehicle while the driving power source is kept on returns to the vehicle and gets in, the positional relationship between the steering column and the driver's seat is automatically restored to the positional relationship corresponding to when driving, thereby improving ease of getting in and out of the vehicle. [Solution] In the second power supply control mode, after the boarding / alighting recognition unit 111 recognizes that the user has alighted from the vehicle 1, the boarding / alighting support control unit 114 sets the positional relationship between the steering column 4 and the driver's seat 5 in the driver's seat area 3 to a restored positional relationship when the driver's seat door sensor 96 detects that the driver's seat door 7 has switched from an open state to a closed state two or more times and recognizes that the user is in the vehicle 1.

A steering device (1) is provided with an inner tube (3), a drive unit (5), and an energy absorption unit (7). The inner tube (3) is provided in the steering column housing (9) so as to be movable with respect to the steering column housing (9). The drive section (5) is provided with an output section (11) and a main body section (13) provided to the steering column housing (9), and drives the inner tube (3) by means of the output section (11). The energy absorption unit (7) is unitized, is provided between the inner tube (3) and the drive unit (5), and is configured so as to absorb the impact force applied to the inner tube (3).

To improve getting-on / off performance by automatically restoring a positional relationship between a steering column and a driver's seat to a positional relationship corresponding to that during driving when a driver who gets off a vehicle while maintaining a driving power supply in an on-state returns to the vehicle and gets on the vehicle.SOLUTION: In the second power supply control mode, after the getting in / out recognizing unit 111 recognizes that the user has gotten out of the vehicle 1, the getting in / out support controller 114 sets the positional relationship between the steering column 4 and the driver's seat 5 in the driver's seat area 3 to the return positional relationship when the driver's door sensor 96 detects twice or more that the driver's door 7 is switched from the open state to the closed state and it is recognized that the user is in the vehicle 1.SELECTED DRAWING: Figure 2

The application relates to the technical field of steering, and provides a steering inner tube, a steering column, a steering device and a vehicle. Part of the tube wall of the steering inner tube is configured as a tearing part. The steering inner tube has a collapsed state. In the collapsed state, the tearing part is torn from the steering inner tube. The steering inner tube, the steering column, the steering device and the vehicle provided by the application can reduce the structural complexity, and can reduce the space occupation and cost.

The present application relates to a kind of connecting device and direction machine, connecting device is connected between the steering column of direction machine and vehicle steering drag link, for output steering power, connecting device includes: first transmission component, with the multiple first arc teeth of being arranged in the circumference, first transmission component is coupled to steering column to rotate synchronously;And second transmission component, coupled to steering drag link and with the multiple second arc teeth in linear direction;First transmission component rotates by first arc tooth and engages in second arc tooth to drive second transmission component to move, to drive steering drag link to be active.First transmission component and second transmission component are contacted by arc tooth engagement between them, their contact area is near the section in tooth width, and good meshing performance, the tooth surface of engagement contact is more, and the degree of coincidence is big, so when running, transmission is stable, and the contact clearance is small, while contact impact is small, contact stress is small, carrying capacity is big, reach the purpose of being beneficial to the miniaturization and light weight of direction machine.

An adjustment drive for a steering column for a motor vehicle comprises a threaded spindle which extends axially in the direction of a spindle axis and engages in a spindle nut, and a drive unit by which the threaded spindle and the spindle nut are driveable in rotation relative to one another, wherein the drive unit has a gear mechanism comprising a worm screw which is driveable in rotation about a worm axis standing transversely to the spindle axis, and a worm thread of the worm screw engages in the toothing of a gearwheel coaxially connected to the threaded spindle or the spindle nut, wherein a thread tooth of the worm thread engages in a tooth gap between two adjacent teeth of the toothing of the gear wheel, wherein a blocking device is provided which can be brought into a blocking position for fixing the threaded spindle relative to the spindle nut, and wherein the gearwheel and the worm screw are displaceable relative to one another in the direction of the spindle axis, and the toothing and the worm thread are configured to convert a relative axial displacement into a reduction of the gear play between gearwheel and worm screw.

A sensing and heating device for capacitive detection of an object in a motor vehicle includes a heater element having a first terminal and a second terminal, a heater circuit including a heating power source and a heater electronic control unit (HCU), the heater circuit configured to supply a heating current to the first and second terminals of the heater element, an AC decoupling element connected between the first and second terminals of the heater element and the heater circuit; and a capacitive sensing unit configured to use the heater element as a first antenna electrode, the capacitive sensing unit comprising a sensing circuit and a signal sensing circuit, the sensing circuit comprising a signal generating unit configured to apply an AC measurement signal to one of the first and second terminals of the heater element, the signal sensing circuit includes a current measurement device configured to sense a current flowing into the heater element in response to an applied AC measurement signal. The AC decoupling element includes a vehicle clock spring mounted between a steering wheel and a steering column of the vehicle.

A steering system of a commercial vehicle includes a mounting bracket that has a jacket tube disposed inside a fixed mounting tube, a bracket portion connected at a first end to a fluid cylinder, and a second end connected to a pivot part at a first point. The fixed mounting tube has friction flaps. The fluid cylinder has a first end fixed to the mounting bracket, and a second end connected to the pivot part at a second point. When a handle, connected to the fixed mounting tube, is rotated from the closed position to the open position, the friction flaps loosen and permit the mounting bracket to slide relative to the fixed mounting tube. Rotation of the handle also causes a relief valve of the fluid cylinder to open, permit the fluid cylinder to change its length, and permit the pivot part to pivot about the second point.

The application relates to a length adjusting guide structure of a long-stroke adjusting steering column. The length adjusting guide structure comprises a supporting sleeve and an inner column, the inner column is arranged in the supporting sleeve, and an energy absorbing structure, a length adjusting support, a guide strip and a baffle are sequentially arranged from inside to outside between the inner column and the supporting sleeve; the energy absorbing structure is fixed on the side wall of the inner column, the length adjusting support is installed on the energy absorbing structure, guide blocks are connected to the length adjusting support through bolts, the guide blocks slide in the guide strip, the guide strip is arranged in a long limiting groove on the side wall of the supporting sleeve, the baffle is arranged outside the guide strip, and the baffle is bolted with the supporting sleeve. The longitudinal long limiting groove is arranged on the side wall of the supporting sleeve, the screw rod of the lengthening motor is additionally arranged, and the second guide block is additionally arranged, so that the long-stroke adjustment is realized, and the stability of the inner column during length adjustment is improved.

The application discloses a warehouse transportation device for electromechanical equipment and relates to the technical field of transportation devices.The warehouse transportation device comprises a vehicle body, a steering column is arranged at the front end of the vehicle body, a steering wheel is arranged at the bottom of the steering column, a handle is arranged at the top of the steering column, and a telescopic bearing mechanism is arranged at the bottom of the vehicle body.The telescopic bearing mechanism is arranged so that when it is necessary to transport electromechanical equipment of different volumes, the adjusting handle can be pulled to the outside and turned, at this time, the turning of the turning column is driven by the cooperation of components such as the turning block, the convex block and the clamping groove, the turning of the turning column drives the two groups of threads to turn simultaneously through the cooperation of components such as the bevel gear C, the bevel gear A and the bevel gear B, the turning of the two groups of thread rods drives the second bearing seat to extend or retract through the two groups of sliding blocks, so that the electromechanical equipment of different volumes can be adapted, and when not in use, the second bearing seat can be completely retracted to save space and make the overall use more flexible.

Steering column (1) for a motor vehicle, comprising a steering shaft rotatably mounted in an upper sleeve (8), wherein a coupling element (6) is rotationally fixed to the steering shaft, which has at least one positive locking element (7), wherein the upper sleeve (8) is slidably received in a lower sleeve (9) and is slidable between a first position and a second position, wherein a locking element (10) is movably arranged on the lower sleeve (9), which engages with the positive locking element (7) in the first position and is disengaged in the second position, characterized in that the locking element (10) has at least one control surface (37) which interacts with a counter-control surface (38) of the upper sleeve (8) such that the locking element (10) is brought into or out of engagement with the positive locking element (7) by a displacement of the upper sleeve (8) relative to the lower sleeve (9).

A column cover surrounding and covering a steering column includes a cover body and a detachable member disposed further forward relative to the cover body and fastened to the cover body, with a clip, to allow the detachable member to be continuous with the cover body. The detachable member is disposed behind an instrument panel R / F and faces the instrument panel R / F with an interval along a length of a vehicle between the detachable member and the instrument panel R / F.

A method for safe controller switching of a steering column of an autonomous vehicle is provided. The method comprises controlling the steering column using a first steering controller, wherein the first steering controller comprises a first fault detector, detecting a fault in the first steering controller using the first fault detector, communicating the detected fault of the first steering controller to the second steering controller, determining a transition time, within which control of the steering column is completely transferred from the first steering controller to a second steering controller. The method gradually transfers control of the steering column from the first steering controller to the second steering controller, wherein during the transition time control of the steering column is shared by the first steering controller and the second steering controller, and wherein after the transition time is expired, the steering controller is completely controlled by the second steering column.

This disclosure relates to a steering column center marking tool and method, belonging to the technical field of marking tools. The steering column center marking tool includes a positioning disc, a pointing element, and a level. The positioning disc is adapted to be mounted on the steering column and has multiple marking structures. These marking structures are uniformly arranged at equal intervals around the rotation axis of the steering column. The pointing element is rotatably connected to the positioning disc or the steering column, and its rotation axis coincides with that of the steering column. The pointing element can point radially towards any of the marking structures. The level is connected to the pointing element and is used to measure whether the pointing element is horizontal. This disclosure can avoid the influence of connection errors between the steering column and other components on the center marking position of the steering column.

The utility model provides a kind of inner bushing of steering gear guard against abnormal sound, belong to the technical field of automobile steering gear, the inner bushing of steering gear guard against abnormal sound has steering gear, steering transmission shaft, steering column and steering gear guard, it is characterized in that, two circular clamping grooves are set in the inner wall of the lower end of steering gear guard, inner bushing is installed in steering gear guard, inner bushing is nylon material, inner bushing is set in the outside of steering transmission shaft, the inside of inner bushing is set with arc, and contact with steering transmission shaft line;The utility model is used to solve the technical problem that the abnormal sound of existing steering gear guard can be caused in the process of steering vehicle.

The utility model discloses an all-terrain vehicle which comprises a vehicle frame, a suspension system, a walking system, a steering system and an electric drive assembly, and the suspension system is connected with the vehicle frame; the walking system is connected with the suspension system and comprises front wheels; the steering system is in transmission connection with the front wheels; the electric driving assembly is arranged on the frame; the steering system comprises a steering shaft, a steering column and a steering handle, the steering shaft is fixed to the frame, and the end, away from the front wheels, of the steering shaft is connected with the steering handle through the steering column. When observed from the width direction, the steering column is located above the frame, a fastening structure is arranged between the steering column and the steering shaft, when the fastening structure is in a locking state, the steering column and the fastening structure are connected in a fastening mode, and when the fastening structure is in a loosening state, the steering column can be detached from the fastening structure so as to adjust the length of the steering column. Through the steering column and the steering handle which can be detached from the fastening structure, the height of the all-terrain vehicle is reduced, and packaging and transportation of the all-terrain vehicle are facilitated.

A steering column assembly (10) for a vehicle comprises a steering column (14) with a steering wheel (18) at one end and a gear (24) connected to the opposite end. A motor (28), controlled by control means (C1), has an output shaft (32) which is also displaceable along its rotational axis through a predetermined range and carries a worm screw (40) directly engaged with the gear (24). Biasing means (62) are configured to resist axial displacement of the output shaft (32) in both axial directions. The rotational and axial positions of the motor output shaft (32) can be determined by a target member (70) fixedly mounted to the motor output shaft (32) and a sensor (84) for detecting the target member.

A steering column assembly for a vehicle has a bearing element fixed to the vehicle and a sleeve element (14) mounted thereon, through which a steering spindle extends, Furthermore an electric steering column adjustment with an adjustment part (26) is provided, by means of which the sleeve element (14) can be adjusted in the axial direction relative to the bearing element, Furthermore, the steering column assembly has an energy absorption device (16) which is coupled to the bearing element (12) and to the sleeve element (14). The energy absorption device (16) has a holder (32) for a reducing part, by means of which the reducing part is fixedly coupled to the bearing element via the steering column adjustment. The adjustment part (26) is permanently rigidly fastened to the holder (32).

The utility model relates to mechanical technical field, concretely is a kind of electrically controlled steering pipe column test and show frock, including base, rubber shock absorber suction cup, handle, installation pillar, four corners of base are respectively welded fixed with the aluminium connecting piece of rubber shock absorber suction cup, every two rubber shock absorber suction cups between installation have a handle, and handle is located in the notch of base side, the surface of base is provided with several installation positioning holes, the distance between two installation positioning holes is 80mm~350mm, the bottom of installation pillar is inserted into corresponding installation positioning hole, the length of installation pillar is 20mm~150mm, the included angle between installation pillar and base is 45 °~135 °.The utility model compares with prior art, handle cooperates rubber shock absorber suction cup, both isolate the influence of base vibration to pipe column adjustment NVH, also convenient to carry turnover, adopt the installation positioning hole of reservation and cooperate installation pillar, satisfy the use of different electrically controlled pipe column product.

The invention relates to a gap covering arrangement (1) for a variable gap between an adjustable steering column and an instrument panel of a vehicle, comprising a steering column trim (2) and a gap covering device (3). According to the invention, the gap covering device (3) has a holding device (4) and a flexible gap covering element (6), which is detachably fastened on one side to the holding device (4) with a frictional positive fit and on the other side can be connected to a fastening element, wherein the holding device (4) with a flexible gap covering element (6) attached thereto is in turn detachably fastened to the steering column trim (2) in a frictional positive fit.

The invention relates to a bearing cup kit for a steering column, comprising a bearing cup and a fastening element, wherein the bearing cup has a bearing cup portion for at least partially receiving a rolling bearing and a retaining portion extending radially outwardly from the bearing cup portion, wherein the bearing cup portion has a first and a second opening side, the first opening side having a collar extending radially inwardly, and wherein the fastening element is connected to the bearing cup such that the fastening element fixes the rolling bearing received by the bearing cup portion in axial direction with respect to the bearing cup. The invention further relates to a steering column comprising a shroud tube in which a steering shaft is received by a rolling bearing to be rotatable, wherein the rolling bearing is arranged in the bearing cup portion of a bearing cup and the bearing cup is supported against an inner wall of the shroud tube by the retaining portion, wherein the fastening element is connected to the bearing cup such that the rolling bearing is fixed in axial direction with respect to the bearing cup.

The application relates to the technical field of automatic driving, in particular to a cockpit adjustment method and device based on a driver's posture, a vehicle-mounted device, a computer readable storage medium and a computer program product. The method comprises the following steps: acquiring eyebrow center position data and sitting posture data of a driver; respectively acquiring an eyebrow center position change curve and a sitting posture change curve according to the eyebrow center position data and the sitting posture data; determining a first adjustment parameter according to the eyebrow center position change curve, wherein the first adjustment parameter is used for adjusting an outside rearview mirror, a head-up display system and a steering column of a cockpit; determining a second adjustment parameter according to the sitting posture change curve, wherein the second adjustment parameter is used for adjusting a seat state; and optimizing cockpit adjustment recommendation data according to the first adjustment parameter and the second adjustment parameter. The method can adaptively adjust the whole cockpit according to the driver's posture.

The utility model relates to the field of forklift instrument desks, and discloses a forklift instrument desk and a forklift, the forklift instrument desk comprises a bridge seat, an instrument module, a steering column, a sinking cavity, a steering gear assembly and an air duct assembly, the bridge seat is arranged between two stand columns on the front side of an overhead guard of the forklift, and the instrument module is arranged on the bridge seat; the instrument module is arranged on a stand column at the right end of the front side of the overhead guard, the steering column penetrates through the bridge seat, the sinking cavity is formed in a bottom plate of a forklift cab and located at the bottom end of the bridge seat, the steering gear assembly is arranged in the sinking cavity and connected with one end of the steering column, and the other end of the steering column is connected with the overhead guard. The air duct assembly is arranged in the bridge seat and used for supplying air into a cab of the forklift; the forklift instrument desk improves the operation safety of a forklift and the comfort level of a driver.

The present disclosure relates to a steering column for a vehicle, comprising a telescopic structure that has a movable part and a reference part to be fixed to the vehicle. The steering column comprises a first actuator (30) for moving the movable part (10) in relation to the reference part (20), preferably in translation. A controllable and reversible coupling device (50) is arranged between the first actuator (30) and the movable part (10). A second actuator (40) controls the coupling device (50). A third actuator (60) is provided in order to brake the movable part (10) if the second actuator (40) has been actuated. The steering column enables adaptive load limiting and improves the safety of occupants in various collision scenarios.

The application provides a steering control method and device when automatic driving is taken over, and relates to the technical field of automatic driving. The method comprises the following steps: acquiring a steering force applied on a steering column by a steering machine when a driver takes over; and controlling a power-assisted system to apply a resistance force decreasing over time on the steering machine, so that the steering machine releases the steering force under the action of the resistance force. The application avoids the problem of poor vehicle lateral stability caused by the sudden release of the steering force by the steering machine.

The utility model discloses a locating tool for sweeper production, which relates to the technical field of sweeper production and comprises a base, a steering column is rotatably mounted at the top of the base, a turntable is fixedly mounted at the upper end of the steering column, a locating cylinder is arranged at the top of the turntable, a brush handle is inserted into the locating cylinder, and a brush head is arranged on the brush handle. A plurality of hollowed-out grooves which are uniformly distributed in the circumferential direction are formed in the side wall of the positioning cylinder, a fixing mechanism is arranged in each hollowed-out groove, each fixing mechanism comprises a clamping block which is slidably installed in the corresponding hollowed-out groove, a slope support is fixedly installed on one side of each clamping block, and a rotating handle is arranged on the outer portion of the positioning cylinder in a threaded and sleeving mode; and an extrusion sleeve is rotationally mounted at the top of the rotating handle. According to the utility model, the brush handle can stand up and be fixed in the positioning cylinder, and then a worker can carry out bristle attaching work on the brush handle by using two hands, so that compared with the traditional single-hand operation, the two-hand operation is more convenient, and the working efficiency can be effectively improved.