64results about "Steering gears" patented technology

The invention discloses a posture adjustment driving mechanism and a hinged type all-terrain vehicle, the posture adjustment driving mechanism is connected with a frame, and longitudinal driving axles are arranged on the left side and the right side of the frame. The posture adjusting driving mechanism is provided with a side bridge adjusting mechanism. A lifting driving mechanism is arranged at the rear end of the side bridge adjusting mechanism and can drive the single-side longitudinal driving axle to swing up and down; a differential mechanism linkage system is arranged at the front end and comprises a differential mechanism connected with the frame, half shafts at the two ends of the differential mechanism are connected with the longitudinal drive axle through a multi-connecting-rod mechanism, the differential mechanism is provided with a decoupling mechanism, and connection between the half shaft on the single side and a differential mechanism shell can be removed. A power mechanism and a gearbox are fixed to the frame and provide walking power for the longitudinal drive axle. The longitudinal drive axle is composed of a middle axle frame, a hollow swing arm and the like, power transmission, steering control and independent height adjustment can be achieved, and the passing adaptability of complex terrains is effectively improved.

A steer-by-wire system may comprise: first and second motor assemblies having one common shaft; a single package having an inside space accommodating the first and second motor assemblies; a steering rack configured to be linearly movable in response to rotation of the one common shaft of the first and second motor assemblies; and a rotary-to-linear conversion mechanism operably connected between the one common shaft of the first and second motor assemblies and the steering rack and configured to convert a rotary motion of the one common shaft of the first and second motor assemblies into a linear motion for linearly moving the steering rack. A seal may be positioned between the first motor assembly and the second motor assembly in the inside space of the single package.

The utility model relates to a steering gear box support mechanism, which belongs to the technical field of steering gear box supports and comprises a frame left longitudinal beam body, a first U-shaped frame and a mounting plate, an adjusting mechanism is arranged on the bottom wall of an inner cavity of the first U-shaped frame, heat dissipation mechanisms are arranged on the left side and the right side of the bottom wall of the inner cavity of the first U-shaped frame, and a supporting frame is arranged on the lower surface of the first U-shaped frame. The supporting frame is fixed to the right side of the vehicle frame left longitudinal beam body through bolts, and the mounting plate is slidably connected to the outer side of the second U-shaped frame. According to the steering gear box support mechanism, a steering gear box can be effectively fixed to the mounting plate, limiting and fixing are conducted by finely adjusting the mounting position and using fixing bolts, the accuracy and stability of the mounting position of the steering gear box are ensured, and the steering problem caused by improper mounting is reduced; the stability of the whole mounting structure is improved, and the reliability and safety of the steering gear box in the working process are ensured.

The utility model relates to the technical field of steering gear box casting shell structures, and discloses a quick disassembly type steering gear box casting shell structure which comprises a first casting shell and a second casting shell, the first casting shell is detachably connected with the second casting shell, a sealing groove is formed in the end, corresponding to the second casting shell, of the first casting shell, and a sealing structure is arranged in the sealing groove. First clamping grooves are formed in the outer side of the first casting shell at equal intervals, first clamping blocks are clamped into the first clamping grooves, and protruding blocks are fixedly installed on the side faces of the first clamping blocks. According to the utility model, the first casting shell is driven by the connecting internal thread ring, and the second casting shell is driven by the external thread cylinder, so that the first casting shell and the second casting shell move relative to each other, and the first casting shell and the second casting shell are connected together, so that the direction device shell with a complex structure forms a two-section structure which can be disassembled and assembled and is relatively simple; and the manufacturing process of each part of the direction device shell is simplified, the manufacturing difficulty of the direction device shell is reduced, and the production efficiency is improved.

Electromechanical steering system (1) for a motor vehicle, comprising a handlebar (3), an electric motor (9), a transmission (10) for translating a rotary motion of the electric motor (9) into a translational motion of the steering rod (3) in the longitudinal direction (A) thereof, wherein the transmission (10) comprises a toothed belt drive (11), and a sensor device (13) for detecting the rotor position of the electric motor (9), characterized in that on the steering rod (3) or a component coupled to the steering rod (3), which is arranged on the side of the steering rod (3) with respect to the toothed belt drive (11), at least one haptic reference mark (14) is designed such that when the at least one haptic reference mark (14) is passed over, a significant change in the motor current (i) of the electric motor (9) occurs.

The utility model discloses a novel bracket mechanism which comprises a front overhang supporting pipe and a rocker arm fixing support arranged on the outer side of the front overhang supporting pipe, a front overhang fixing support is arranged on the right side of the front overhang supporting pipe, and an installation supporting rod is arranged in the middle of the front overhang supporting pipe. The first bolt is installed in the front suspension fixing support, the lower end of the first bolt is connected with a first nut, and a first gasket is arranged on the inner side of the first nut. According to the novel bracket mechanism, round pipes are adopted for supporting and machining in the device, so that the situation of stress concentration caused by square pipe edges in the using process of the device is not likely to occur, the using strength of the device is prevented from being affected, the using stability of the device is improved, meanwhile, an effective buffering and damping structure is arranged in the device, and the service life of the device is prolonged. And the steering gear box is not prone to vibration in the using process to affect the connecting stability of the steering gear box and the device, the supporting and lifting effect of the device is improved, and the better using effect is achieved.

The utility model discloses a vehicle. The vehicle comprises a power generation assembly; the driving assembly is arranged on the side, in the first direction, of the power generation assembly, and the surface of the side, away from the ground, of the driving assembly in the second direction is lower than the surface of the side, away from the ground, of the power generation assembly; wherein the first direction is perpendicular to the second direction. According to the vehicle, the space rate of the power generation assembly and the driving assembly in the width direction of the vehicle is reduced, the layout of the power generation assembly and the driving assembly in the cabin is more reasonable, more installation space is reserved, and the space compatibility of the cabin is improved.

The application relates to the automobile technical field and discloses a steering mechanism of a vehicle and the vehicle, wherein the steering mechanism comprises a steering knuckle, a lower swing arm, a steering lever, a transmission rod and a first shaft; the lower swing arm has a first mounting point and a second mounting point; along the left-right direction of the vehicle, the first mounting point is located at the end of the lower swing arm facing the steering knuckle, the first mounting point is hinged to the steering knuckle, and the second mounting point is arranged at intervals from the first mounting point; one end of the steering lever is connected to the steering knuckle through the transmission rod, the first shaft is installed at the other end of the steering lever, and the first shaft is connected to the second mounting point through a bearing. The steering lever and the lower swing arm are connected through the bearing, so that the steering lever only has a rotation freedom degree relative to the lower swing arm, the stability of the swing of the steering lever is improved, and the steering precision of the steering mechanism is improved.

Provided are a vehicle steering apparatus and a vehicle including the same, the vehicle steering apparatus including: a ball nut coupled to a rack bar by means of a ball and configured to slide the rack bar in an axial direction while rotating; a first nut pulley and a second nut pulley disposed on an outer circumferential surface of the ball nut; a first motor pulley disposed on the first motor and connected to the first nut pulley by a first strap; a second motor pulley disposed on the second motor and connected to the second nut pulley by a second belt; and an anti-rotation support configured to support the rack bar while rotating when the rack bar slides, the anti-rotation support configured to prevent the rack bar from rotating.

The utility model provides an independent suspension rear-mounted vertical steering assembly which comprises a steering shaft fixing assembly which comprises a steering shaft fixing support C, steering shaft fixing supports B are fixed to the two sides of the steering shaft fixing support C, and steering shaft fixing supports A are fixed to the two sides of the top of the steering shaft fixing support C respectively. The steering shaft assembly comprises a bearing seat and a rotating shaft rotationally connected into the bearing seat, the bearing seat is fixed to a steering shaft fixing support B, the tail end of the bottom of the rotating shaft is spherically connected with a lower rocker arm, and the end, away from the rotating shaft, of the lower rocker arm is spherically connected with a steering pull rod; the steering engine is vertically arranged behind the front axle of the vehicle and is arranged at the position close to the steering shaft assembly on one side; according to the rear-mounted vertical steering assembly of the independent suspension, the steering engine is arranged behind the front axle of the vehicle, vertical layout is adopted, the defect that front-mounted steering is prone to being impacted by the front face is overcome, the space of a chassis is fully utilized, arrangement is simplified, and the design flexibility of the chassis of the vehicle is improved.

A method for rack position offset learning includes receiving at least one vehicle characteristic value, and determining, based on the at least one vehicle characteristic value, whether a vehicle associated with the at least one vehicle characteristic value is traveling in a straight line. The method also includes, calculating, for a predetermine period, a straight line distance traveled by the vehicle based on a vehicle speed and a length of the predetermined period. The method also includes determining whether the calculated straight line distance is greater than or equal to a straight line distance threshold, starting a counter, and, in response to a counter value of the counter being greater than or equal to a counter threshold, determining a rack position offset value based on a rack position of a rack of a steering system of the vehicle.

A rack piston of a hydraulic steering assembly divides a hollow portion of a housing into an upper cylinder above the rack piston and a lower cylinder below the rack piston. The rack piston defines a rack cavity. An auto-bleeder bi-directional flow valve disposed in the rack piston allows for the flow of air and hydraulic fluid in and out of the rack cavity. The bi-directional flow valve defines a flow path through the rack piston between the rack cavity and the upper cylinder. When a differential pressure between the upper cylinder and the lower cylinder is greater than a threshold, the steel ball blocks the flow path by compressing a first spring or a second spring. Alternatively, the first spring and the second spring hold the steel ball in a neutral position to allow for the flow of air and hydraulic fluid in and out of the rack cavity.

The present invention provides a mobile vehicle comprising: a main body part; a moving portion including a wheel configured to move the main body portion, and a steering region configured to rotate the wheel about a steering rotation axis with respect to the main body portion and steer the wheel; and at least one variable frame configured to connect the main body portion and the moving portion, move relative to the main body portion in a guide direction intersecting the steering rotation axis, and change a spacing distance between one region of the main body portion and the moving portion.

The invention discloses a commercial vehicle modular solid chassis and an assembling method, and relates to the technical field of automobile chassis, the commercial vehicle modular solid chassis comprises a steering module, the steering module comprises a first integrated mounting bracket, and a steering engine, a motor cooler, a steering axle, a front brake, a front extension beam, a front suspension and a 24V power supply which are mounted on the first integrated mounting bracket; the driving module comprises a second integrated mounting bracket, and an electric drive axle and a rear brake which are mounted on the second integrated mounting bracket; the energy storage module comprises a third integrated installation support, a battery pack, a battery cooling system, a high-voltage controller and an integrated controller, the battery pack, the battery cooling system, the high-voltage controller and the integrated controller are installed on the third integrated installation support, and the third integrated installation support is detachably connected with the first integrated installation support and the second integrated installation support; the solid chassis is subjected to modular design, and the modules are assembled in a general assembly workshop.

A number of illustrative variations may include a method for use in a vehicle having an electronic steering system, a position control module, an electronic steering system rack force observer, and a rack force observer vehicle diagnostic, wherein the method includes the steps of providing a vehicle that may include an electronic steering system, a position control module, an electronic steering system rack force observer, and a rack force observer vehicle diagnostic; measuring the steering angle and steering velocity of the vehicle; communicating a steering angle of the vehicle to the position control module and the electronic steering system rack force observer; communicating a steering velocity of the vehicle to the electronic steering system rack force observer; communicating electronic steering system motor commands to the electronic steering system rack force observer; and estimating rack force data and communicating the rack force data to the rack force observer vehicle diagnostic; and determining a compensated target steering angle.

The embodiment of the utility model provides a displacement detection device, a steering assembly and a vehicle. The displacement detection device comprises: a housing; a circuit board, wherein the circuit board is arranged in the shell; at least part of the electric connecting piece is located in the shell, and the part, located in the shell, of the electric connecting piece is connected to the circuit board in an inserted mode. The displacement detection device provided by the embodiment of the utility model is high in reliability.

The utility model discloses a torque feedback device and a vehicle steering system, and the torque feedback device comprises a housing which comprises a containing cavity; one end of the rotating shaft is connected with the shell; the torque generating units are located in the containing cavity and arranged on the rotating shaft in a sleeving mode, each torque generating unit comprises a rotor, a stator and a magnetic field generator, the stators are arranged between the rotors and the shell, the stators are provided with grooves formed in the circumferential direction of the stators, and the magnetic field generators are arranged in the grooves. The magnetic field generator is arranged in the groove; and the magnetic response material is arranged in the accommodating cavity. According to the torque feedback device provided by the embodiment of the utility model, at least two torque generating units are arranged, so that the output torque can be improved.

Provided are a vehicle steering apparatus and a vehicle including the same, the vehicle steering apparatus including a ball nut coupled to a rack bar by means of a ball and configured to slide the rack bar in an axial direction while rotating, first and second nut pulleys provided on an outer peripheral surface of the ball nut, a first motor pulley provided on a first motor and connected to the first nut pulley through a first belt, a second motor pulley provided on a second motor and connected to the second nut pulley through a second belt, and an anti-rotation support configured to support the rack bar while rotating when the rack bar slides, the anti-rotation support being configured to prevent rotation of the rack bar.

The invention discloses a universal chassis platform, a drive-by-wire chassis system and a mechanical chassis system, and belongs to the technical field of vehicle chassis. The chassis platform comprises a front suspension and a rear suspension; a first mounting point and a second mounting point are arranged on a front auxiliary frame of the front suspension; a third mounting point and a fourth mounting point are arranged on a rear auxiliary frame of the rear suspension; the first mounting point and the second mounting point are used for being detachably connected with a steer-by-wire machine and an electric power steering machine; the third mounting point and the fourth mounting point are used for being detachably connected with a rear wheel steering engine. The chassis platform not only can carry a traditional mechanical chassis related structure, but also can carry a drive-by-wire chassis related structure.

The invention relates to the technical field of vehicle steering, in particular to a bi-directional driving multi-mode electric steering system. The invention provides a bi-directional driving multi-mode electric steering system. The bi-directional driving multi-mode electric steering system comprises a steering wheel, a steering column, a speed increaser, an electromagnetic clutch, an electric steering gear, a steering pull rod and a steering axle, wherein the steering wheel is connected with the steering column; the steering column is connected with the speed increaser; the speed increaser is connected with the electric steering gear through the electromagnetic clutch; the electric steering gear is connected with the steering axle through a steering pull rod and is used for driving the steering axle to realize steering; wherein the speed increaser is used for increasing the input rotating speed of the steering wheel to a preset rotating speed. According to the bi-directional driving multi-mode electric steering system, the steering function of bi-directional driving is supported, multiple functions such as manual steering and steer-by-wire can be achieved, and wider application scenes and more diversified driving experience are provided.

The utility model relates to a commercial vehicle front end accessory support which comprises a left support and a right support which are arranged on the left side and the right side of a vehicle frame respectively. The left support and the right support are respectively provided with an accessory installation hole, the accessory installation holes are connected with vehicle accessories, the accessory installation holes are in a protruding shape, and round chamfers are arranged at the transition positions of the accessory installation holes and the left support and the transition positions of the accessory installation holes and the right support. The structure is simple, vehicle accessories are integrated on the left support and the right support, the overall structure is compact, the assembly error is reduced, and the assembly efficiency is improved; the reinforcing ribs are arranged, so that the overall strength is improved, and the cracking problem under complex working conditions is avoided; the upper lightening holes and the lower lightening holes are formed, so that the overall weight of the left support and the right support is reduced.

The utility model discloses a shell structure of an automobile steering device, and belongs to the technical field of automobile accessories. Comprising a first protective cover and a second protective cover, fixing holes are formed in the left side and the right side of the first protective cover, and a sealing groove is formed in the top of the second protective cover; and the mounting assembly comprises a sealing strip fixedly connected to the bottom of the first protective cover, and the left side and the right side of the second protective cover are each fixedly connected with two supporting blocks. By arranging the piston cylinder, the piston rod, the fixed pipeline, the fixed air bag and the one-way air inlet valve, air can enter the piston cylinder through the one-way air inlet valve by pulling the corresponding pressing handle, and then the air can be sprayed out through the one-way air spraying opening by pressing the pressing handle; and dust and impurities at the connecting gap of the protective cover and the steering gear body can be effectively cleaned through the device, the situation that the steering gear body is prone to being stuck during use is avoided, and stable use of the device is guaranteed.

The utility model relates to the technical field of vehicle steering mechanisms, and provides an automobile steering device support which comprises a support body, and the support body comprises a frame connecting part and a steering device connecting part which are connected. Wherein the end face, away from the steering gear connecting part, of the frame connecting part comprises a first end face and a second end face, the height of the first end face is larger than that of the second end face, and the frame connecting part is configured to be connected with a frame through the first end face and the second end face. The steering gear connecting part is connected with a steering gear. According to the automobile steering gear support, the support body is divided into the automobile frame connecting part and the steering gear connecting part so as to be fixedly connected with an automobile frame and a steering gear respectively, and therefore the steering gear is fixedly installed on the automobile frame. Meanwhile, the first end face and the second end face which have the height difference are arranged on the frame connecting part, and the first end face and the second end face are fixedly connected with different planes on the frame, so that the connecting strength and the fastening effect between the frame connecting part and the frame are improved.

The transmission device comprises a locking shell and a locking round body, the locking round body is provided with a first installation hole used for being matched with an output component and a second installation hole used for being matched with an input component, the locking shell is arranged on the outer circumferential wall of the locking round body, and the locking shell is arranged on the outer circumferential wall of the locking round body in a free state. A gap is formed between the locking round body and the locking shell, and during reverse input, the locking round body abuts against the locking shell. In the free state (the static state or the output component driving state), gaps are formed between the locking round body and the locking shell, between the output component and the first mounting hole and between the input component and the second mounting hole in the static state; during reverse input, the input component abuts against the locking round body to generate tangential torque, the locking round body abuts against the locking shell to generate friction torque, however, the tangential torque is smaller than the friction torque, and the locking effect is generated.

The utility model relates to the technical field of steering gears, and discloses a steering gear rubber bushing which comprises an outer protective sleeve, an inner sleeve is fixedly arranged in the outer protective sleeve, flanges are integrally formed at the upper end and the lower end of the outer protective sleeve, and dustproof pipes are fixedly arranged on the surfaces of the sides, away from the outer protective sleeve, of the flanges. The dustproof pipe is arranged in a corrugated pipe shape. The corrugated dustproof pipe is arranged on the surface of the flange, so that the dustproof pipe has certain flexibility, after the bush is installed on the surface of the steering gear, the abutting ring abuts against the surfaces of components on the two sides of the steering gear, the abutting ring can abut against the surfaces of the components all the time in combination with thrust applied to the dustproof pipe by the supporting block, and therefore the sealing effect is achieved; sewage and other dirt in the air are effectively prevented from entering the space between the steering gear and the lining from the gap, and the steering gear is protected.

The invention relates to a method for manufacturing a steering rod (10) with a signal transmitter (12) for inductive position measurements, wherein the signal transmitter (12) comprises at least one metallic transmitting element (16a, 16b), the transmitting element (16a, 16b) being embedded in a carrier material (14), the method comprising the following steps: - heating (S10) the steering rod (10) to a temperature T that is higher than the melting temperature of the carrier material (14); - positioning (S12) the signal transmitter (12) on the steering rod (10); and - pressing (S14) the signal transmitter (12) onto the steering rod (10) with a pressure p, the pressure p being maintained for a defined holding time t.

The invention relates to the technical field of vehicles, in particular to a locking structure, a rear wheel steering gear, a steering system and a vehicle. The locking structure comprises a fixed body and a moving body, and the fixed body is provided with a first matching part; the moving body is suitable for being in transmission connection with wheels and is provided with a second matching part; the moving body can move in a preset direction away from or close to the fixed body, so that the moving body is switched between a connection state and a disconnection state; when the moving body is in the connection state, the second matching part is connected with the first matching part, so that the moving body cannot rotate relative to the fixed body; when the moving body is in the disconnected state, the second matching part and the first matching part are disconnected, and the moving body can rotate relative to the fixed body so as to drive the wheels to steer. According to the locking structure, the wheels can be prevented from steering beyond expectation, and the wheels can be driven to steer when the moving body is in the disconnected state.

The invention relates to a steering device (1), in particular a steer-by-wire steering device for a vehicle, comprising a steering rod (2) which is arranged to be coupled at both axial ends to a wheel of the vehicle and which has a sensor toothing (15) at least in a partial region, an actuator (3) which is coupled to the steering rod (2) in such a way that a rotation of the actuator (3) causes a linear movement of the steering rod (2) in order to change the position of the steering rod (2) along a predetermined steering rod stroke (VWL), a sensor toothing device (4) which has a toothing corresponding to the sensor toothing (15) of the steering rod (2) at least in a partial region and which is in engagement with the steering toothing (15) in such a way that a linear movement of the steering rod (2) causes a change in the position of the sensor toothing device (4) along a predetermined sensor stroke, wherein a relative sliding between the sensor toothing device (4) and the sensor toothing (15) of the steering rod (2) occurs in the engagement which is equal to or greater than the linear movement of the steering rod (2), and a sensor device (5) for determining the position of the steering rod (2) which is arranged to detect the position of the sensor toothing device (4) along the predetermined sensor stroke (15).

The utility model discloses an anti-loose electric regulation steering gear bushing, which relates to the technical field of steering gear bushings, and comprises a bushing main body and an abutting mechanism, the abutting mechanism comprises a plurality of movable channels, novel pressure transmitting parts are arranged in the movable channels, and each novel pressure transmitting part comprises a sliding seat vertically sliding in the inner side of the corresponding movable channel. A pressing block located below the abutting block is perpendicularly fixed to one side wall of the sliding base, the faces, corresponding to the abutting block above the pressing block, of the pressing block are chamfered, a wall face wiping assembly is arranged at the bottom of the sliding base, the bottom end of the sliding base is open, and a rail limiting assembly is arranged in the opening of the sliding base; through the arrangement of the wall surface wiping assembly, in the process that the sliding seat goes deep into the inner side of the mounting hole, the sponge wiper in the wiping assembly can synchronously and vertically wipe the inner wall of the mounting hole, so that lubricating oil on the inner wall of the mounting hole is cleaned, when the abutting block makes contact with the inner wall of the bush body, direct contact can be formed between the abutting block and the bush body, and the contact effect is improved.