34 results about "Double wishbone suspension" patented technology

The invention is suitable for the technical field of automobile chassis, and provides an angle module system and a modular extensible chassis, and the angle module system adopts an unequal-length double-wishbone suspension and has good geometric kinematics characteristics. And the offset distance of the main pin is reasonably controlled through the design of steering knuckle parts. By adopting the angle module bracket, the efficient integration of the driving unit and the frame structure is realized, the number of connecting points of the angle module system and the chassis is reduced, and the serialization, integration and modularization of the chassis system are facilitated. A distributed main pin steering gear is adopted, and the geometrical shape design of upper and lower control arms of the suspension is matched, so that wheels have a larger turning angle range, and the maneuverability is improved. In addition, the modular extensible chassis adopts modular design, and the number of shafts can be flexibly configured according to carrying requirements.

An electric vehicle propulsion, steering, and suspension system including an in-wheel motor located within or proximate to a tire assembly, an integrated inverter, a direct steering motor, a brake-by-wire system, and a double wishbone suspension. The double wishbone suspension includes an upper wishbone arm and a lower wishbone arm, each having proximal and distal end points. The proximal end points are pivotally connected to the vehicle chassis. The distal end points are connected to a knuckle assembly attached to the tire assembly.

The utility model relates to the technical field of racing cars, in particular to a front suspension system for a cross-country racing car, which comprises a front cleat, a front axle and a front wheel core fixed on the front axle, the front wheel core comprises a cylindrical body and a flange plate located at the end of the body. The front cleat comprises a front cleat shaft, and the body is rotationally installed in the middle of the front cleat shaft. The flange plate is fixedly connected with a hub of the wheel; a brake disc is fixed on the flange plate; front wheel brake calipers matched with the brake disc are fixedly installed on the front cleat. The front cleat is installed on the front side portion of the racing car frame through the upper double-fork-arm suspension and the lower double-fork-arm suspension. The front cleat is further provided with a front connecting part used for being hinged to a racing car steering pull rod. The front suspension system for the cross-country racing car is good in stability and flexible in steering, facilitates improvement of racing results of the racing car, has the advantages of being simple and compact in structure, high in control sensitivity and the like, and better meets the requirement for light-weight design of the car under the condition that the braking performance is met.

The invention relates to a high-integration-level vehicle wheel edge corner module and a vehicle, the high-integration-level vehicle wheel edge corner module comprises a wheel end assembly, the wheel end assembly comprises a hub and a wheel-side gear motor driving the hub to rotate, a brake disc is connected between the hub and the wheel-side gear motor, and a brake caliper is connected to a shell of the wheel-side gear motor; the steering assembly comprises a steering knuckle fixed on a shell of the hub gear motor and a swing arm support far away from the wheel end assembly and used for being connected with a vehicle body, the swing arm support is connected with a steering engine, and a steering pull rod is connected between the steering engine and the steering knuckle; the upper swing arm is rotatably connected between the steering knuckle and the swing arm support, the lower swing arm is rotatably connected between the steering knuckle and the swing arm support, and the shock absorber is connected between the lower swing arm and the swing arm support. By means of the decoupling design between the steering engine and the double-fork-arm suspension, the technical effect that the steering control precision of the steering assembly of the angle module on the wheels is guaranteed more reliably is achieved.

The invention relates to a kingpin steering angle module which comprises a wheel, a hub motor and a frame, the module further comprises a steering unit and a damping unit, the hub motor is installed on the wheel, the steering unit is installed on the hub motor, the damping unit is installed on the steering unit and connected with the frame, and the damping unit is connected with the frame. The steering unit keeps the wheels at a kingpin inclination angle and a kingpin caster angle within a preset angle range during steering. According to the double-wishbone suspension, the steering unit and the vibration reduction unit are arranged, the kingpin inclination angle and the kingpin caster angle within the preset angle range are kept when the wheels steer, large-angle steering of the wheels is achieved, meanwhile, the vibration reduction effect of the double-wishbone suspension is improved, and the braking response speed of the double-wishbone suspension is increased.

This invention relates to the field of motorsports technology, and more particularly to a transmission system for an off-road rally car and a race car equipped with the transmission system. The system includes a frame and a transmission system mounted on the frame. Wheels are mounted on the frame via a suspension system. The transmission system includes a gearbox mounted at the rear of the frame and a differential mounted at the front of the frame; the gearbox and the differential are connected by a first driveshaft positioned at the front and rear. The suspension system includes front steering knuckles located inside the two front wheels, both of which are fixed to the front side of the frame via upper and lower double wishbone suspensions. This off-road rally car has advantages such as lighter weight, more compact structure, better handling, superior passability, and higher safety. The lighter vehicle has sufficient power performance, and its low self-friction resistance during travel improves its ability to traverse uneven roads, reducing the risk of rollover and thus improving race performance.

The invention discloses a high-integration traveling unit integrating an active variable kingpin transverse offset function and a kingpin steering function. The high-integration traveling unit comprises a wheel assembly, a steering system, a suspension system and an active variable offset system. The running unit integrates a driving system, a braking system, a rotating system and a suspending system, wherein the driving system and the braking system are both integrated on the wheel assembly; and the steering system and the suspension system respectively adopt an independent steering form of main pin steering and a double-bulb double-wishbone suspension form. In addition, the driving unit is additionally provided with the active variable offset system between the steering knuckle and the lower control arm of the suspension system, and the virtual kingpin inclination angle is changed by actively adjusting the distance between double ball heads of the lower control arm. The contradiction that after a steering system breaks down, the kingpin offset of a faulted wheel needs to be increased to conduct driving and braking longitudinal force steering fault-tolerant control, but the kingpin offset of a non-faulted wheel needs to be reduced to avoid the situation that the steering angle tracking performance of the wheel on the side is affected by synchronous and rapid changing wheel longitudinal force is avoided.

A chassis of a utility motor vehicle has a double wishbone suspension having two independent wheel suspensions, each wheel suspensions has an upper control arm, a lower control arm, and a wheel carrier. The upper control arm is connected to two upper connection points on the vehicle body which define a first axis, the upper control arm being rotatable relative to the vehicle body about the first axis, and the lower control arm being connected to two lower connection points on the vehicle body which define a second axis, the lower control arm being rotatable with respect to the vehicle body about the second axis. The first and second axes are parallel to one another and inclined relative to a horizontal by an inclination angle that is greater than 0° in a forward direction of travel when the double wishbone suspension is installed in the utility motor vehicle.

The invention discloses a double-wishbone suspension system and a vehicle, the suspension system comprises a steering hub, the steering hub is provided with a steering knuckle and a driving shaft, the steering knuckle is provided with a first connecting seat and a second connecting seat above the driving shaft, the first connecting seat is located above the second connecting seat, the first connecting seat extends towards the direction close to the steering hub, and the second connecting seat extends towards the direction close to the steering hub; the second connecting base extends in the direction away from the steering hub. The lower control arm is located below the driving shaft, and the lower control arm is hinged to the lower end of the steering knuckle; the upper control arm is hinged to the first connecting seat; the lower end of the vibration reduction assembly is hinged to the second connecting base, and the upper end of the vibration reduction assembly is connected to the frame. Compared with the prior art, a connecting fork is omitted, so that the weight and the cost are reduced; due to the fact that the connecting fork is omitted, the height of the vibration reduction assembly can be integrally moved upwards, the occupied space of the whole vehicle in the Y-axis direction is reduced, the space of a vehicle body longitudinal beam structure is increased, the wheel turning angle is increased in the wheel steering process, and then the turning radius of the vehicle is reduced.

The application discloses a spring-over double wishbone suspension structure based on a corner module, which comprises a steering knuckle connected with a wheel hub on one side; a connecting corner matched with the steering knuckle, the steering knuckle and the connecting corner having coaxial through holes; a driving mechanism, an output end of which is provided with an angular contact bearing, the Z-direction freedom of the angular contact bearing being limited through the steering knuckle and the connecting corner; an air spring installed above the connecting corner; an upper cross arm arranged in the middle of the connecting corner; and a lower cross arm connected with the steering knuckle through a ball hinge. The air spring is arranged above, and the angular contact bearing is designed, so that the stress of the spring can be effectively shared, the stability and responsiveness of the suspension system are improved, the impact caused by the uneven road surface can be more efficiently absorbed, especially when steering and emergency braking, the suspension system can show better control ability, the body roll and shaking are reduced, and the vehicle is more stable and stable when running at high speed and in complex road conditions.

This invention relates to the field of automotive kinetic energy recovery technology, specifically a new energy vehicle kinetic energy recovery device, comprising a double wishbone suspension, a shock absorption structure, a longitudinal kinetic energy recovery structure, and a passive deceleration structure. One end of the longitudinal kinetic energy recovery structure is fixedly mounted on the lower wishbone of the double wishbone suspension and the shock absorption structure, respectively. A passive deceleration structure is fixedly mounted on one side of the longitudinal kinetic energy recovery structure. The vibrations caused by the vehicle's movement cause the shock absorption structure to reciprocate relative to the lower wishbone and the other side of the longitudinal kinetic energy recovery structure, thus generating airflow and charging energy. The reciprocating movement of the longitudinal kinetic energy recovery structure controls the passive deceleration structure to intermittently brake the brake disc. This invention solves the problem that when converting vibrations into electrical energy, new energy vehicle kinetic energy recovery devices are prone to skidding, drifting, and other loss-of-control risks when facing excessive vehicle vibrations and high speeds, affecting vehicle and passenger safety.

The invention discloses a parametric modeling method and system for a double-wishbone suspension, a medium and equipment, and relates to the technical field of automobile digital software design. The method comprises the following steps: acquiring a hard point coordinate of a to-be-constructed double-wishbone suspension structure, and preprocessing the hard point coordinate; establishing a parameterized model of the double-wishbone suspension in the modeling platform based on the spatial position, the connection relationship and the motion constraint of each part; working condition simulation is carried out on the parameterized model of the double-wishbone suspension according to task requirements, a kinematic pair gap error is calculated according to a simulation result, and parameters of the parameterized model of the double-wishbone suspension are optimized based on gradient reverse optimization. According to the method, efficient and accurate parametric modeling of the double-wishbone suspension can be realized.

The present invention discloses a large-scale folding and unfolding shock-absorbing double-wishbone suspension component and an independent suspension, which relates to the field of manned lunar rovers and includes a support base, a suspension torsion bar, and the suspension torsion bar is rotatably connected to the support base; the axial direction of the suspension torsion bar is defined as a first direction; a lower arm assembly, one end of which is fixed to the suspension torsion bar and the other end is connected to the steering knuckle via a universal joint, and the lower arm assembly drives the suspension torsion bar to rotate to achieve a transition from a folded state to an unfolded state; wherein the steering knuckle is used to connect to an external wheel assembly; an unfolding / folding assembly, which is arranged between the support base and the suspension torsion bar and is used to lock the lower arm assembly in a first state or a second state; an upper arm assembly, one end of which is rotatably connected to the support base and the other end is connected to the steering knuckle via a universal joint, and the upper arm assembly moves with the lower arm assembly; and a limiting assembly, which is used to limit the swing amplitude of the upper arm assembly in the first state. The present application has the effect of reducing excessive vibration while achieving suspension folding.

This invention relates to an active wheel camber adjustment suspension system based on double wishbone suspension and a vehicle, comprising: a mounting bracket; at least one wheel unit including a wheel and a steering component, the steering component being mounted on the wheel and having a first mounting position and a second mounting position; at least one wishbone unit including a first wishbone and a second wishbone, one end of the second wishbone being movably connected to the second mounting position and the other end of the second wishbone being movably connected to the mounting bracket; and at least one adjustment unit including an adjustment drive component and an adjustment control component, the adjustment control component controlling the movement of the adjustment drive component, one end of the first wishbone being movably connected to the first mounting position. This invention can actively adjust the wheel camber angle in real time according to the vehicle's driving state, thereby reducing tire wear during straight-line driving, increasing the tire contact area during cornering, significantly improving the vehicle's cornering limit handling performance, reducing tire wear, and extending tire life.

The angle module based on the double-guide-rod suspension assembly comprises a steering assembly, a suspension assembly, a driving assembly and wheels, one side of the suspension assembly is connected with the steering assembly, the other side of the suspension assembly is connected with the driving assembly, and the driving assembly is installed on the wheels; the suspension assembly comprises a vehicle body frame, double guide rods, a support, a main bearing nut and a main pin support shaft. The double guide rods are installed on the support and comprise two guide rods which are symmetrically arranged on the two sides of one end face of the wheel. The main bearing nut is installed on the side, away from the steering assembly, of the support and clamps the driving assembly. The steering assembly comprises a steering knuckle and a steering driving component, one end of the main pin support shaft is connected with the steering knuckle, and the other end is connected with the steering driving component. Compared with the prior art, the angle module has the advantages that a double-guide-rod structure is adopted, the radial stress during vehicle bearing is distributed, and the radial rigidity and the bearing capacity of the angle module are improved; and the double guide rods enable the wheels to be restrained during steering, and lateral displacement of the wheels can be automatically compensated.

The utility model discloses a double-wishbone suspension structure which comprises a connecting seat, an upper swing arm, a lower swing arm and a shock absorber, and the upper swing arm and the lower swing arm are respectively connected with the connecting seat through a movable connecting unit. The movable connecting unit comprises a ball pin, a ball cup and a nut; a mounting hole matched with the ball pin is formed in the connecting seat, a plurality of limiting grooves distributed in the circumferential direction are formed in the nut, and a limiting rod is connected to the end of the ball pin in an inserted mode; a lug plate is arranged on the ball cup, a plurality of fixing holes are formed in the lug plate, and a plurality of bolts matched with the fixing holes one by one are arranged on the upper swing arm and the lower swing arm. The overall structure of the upper swing arm and the lower swing arm of the double-fork arm has enough strength and rigidity, the connection at the movable connection unit is also stable enough, and compared with an existing double-fork arm suspension structure, the double-fork arm suspension structure is more suitable for the complex road surface environment where vehicles for forest fire rescue face.

The present invention provides a variable-structure suspension control arm and a vehicle. The variable-structure suspension control arm includes: a mounting seat; a control arm structure including two first control arms and a first connecting seat. Both of the two first control arms have a first end and a second end that are oppositely arranged. Both of the two first ends are slidably connected to the mounting seat, and both of the two second ends are arranged away from the mounting seat and are hinged to the first connecting seat; and a driving mechanism is provided on the mounting seat and is used to drive the two first control arms so that the two first ends have a moving stroke of approaching and separating from each other along the mounting seat. The variable-structure suspension control arm and the vehicle provided by the present invention aim to solve the problem that the traditional double-wishbone suspension cannot continuously adjust the wheel camber angle.

The utility model provides a kind of fixed support and shock absorber indicator, it relates to automobile parts test equipment technical field, and wherein, fixed support mainly includes first support, second support and locking part. First support is provided with first through-hole;Second support is provided with second through-hole, and first support and second support are used to be fixedly connected with double wishbone suspension;First through-hole and second through-hole correspond, and at least one of first through-hole and second through-hole is long strip-shaped adjusting hole, and at least one of first support and second support moves along the length direction of adjusting hole, so that first support and second support relatively close or move away;Locking part is arranged in first support and second support by first through-hole and second through-hole, so that first support and second support are locked or unlocked. Through the embodiment provided in the present application, the double wishbone suspension of different span is adapted, and the problem that shock absorber indicator cannot test double wishbone suspension is effectively solved.

The present application relates to the field of racing car technology, and more particularly to a cross-country rally car, comprising a frame and a transmission system mounted on the frame, and wheels mounted on the frame through a suspension system. The transmission system comprises a gearbox mounted at the rear of the frame and a differential mounted at the front of the frame; the gearbox and the differential are drivingly connected through a first transmission shaft arranged front and back. The suspension system comprises front horns respectively located at the inner sides of the two front wheels, and the two front horns are fixed to the front side of the frame through upper double wishbone suspensions and lower double wishbone suspensions. The cross-country rally car has the advantages of lighter overall vehicle, compact structure, good operability, excellent passability, high safety, etc. The lighter vehicle has sufficient power performance, and the vehicle has small self-friction resistance during travel, good passability on uneven roads, and is not prone to overturning, which is conducive to improving the competition results.

This utility model discloses a lower control arm for a double wishbone suspension in passenger vehicles, relating to the field of automotive suspension. It includes a control arm body with three arms and a ball joint assembly. The control arm body includes a first sheet metal part and a second sheet metal part, with the second sheet metal part mounted on the first sheet metal part and connected at its edge. A hollow buffer chamber is provided between the first and second sheet metal parts. The ball joint assembly includes a pin seat and a ball pin, with the pin seat partially inserted into the buffer chamber and detachably connected to the first arm of the control arm body. The ball pin is riveted and press-fitted into the pin seat. By mounting the second sheet metal part on the first sheet metal part and connecting it at its edge, and by providing a hollow buffer chamber between the first and second sheet metal parts, the sheet metal design is less expensive than forged or cast parts. The hollow buffer chamber allows the lower control arm to deform and absorb collision loads, preventing axle breakage and loss of driving function, and also reducing the weight of the device.

To reduce or prevent deformation of a side member during a frontal collision and minimize a height dimension of a cross section of the side member in a vertical direction as much as possible.SOLUTION: A double wishbone shock absorber includes: an upper arm 4 in which an inner end 41 is pivotally supported by a side member 1 having a rectangular cylindrical shape; and a lower arm 5 in which an inner end 51 is pivotally supported by a suspension member 2 and an outer end 52 pivotally supports a lower end of a suspension 3. In a region of the side member 1 that pivotally supports the inner end 41 of the upper arm 4, an opening 18 extending from an outer side hanging wall portion 13 of the side member 1 to a bottom wall portion 14 is provided. A reinforcing member 7 that closes the opening 18 is attached to the opening 18. The reinforcing member 7 is provided with a rigid portion 74 for increasing rigidity.SELECTED DRAWING: Figure 1

The invention discloses a double-wishbone suspension with adjustable kingpin parameters, a chassis system and a vehicle. The double-wishbone suspension comprises a bottom frame, a main pin and a main pin, the upper part of the steering knuckle is hinged with the upper control arm, and the lower part of the steering knuckle is hinged with the lower control arm; the lower control arm is provided with two supporting arms distributed in the front-back direction, each supporting arm is connected to the bottom frame, and adjusting mechanisms are arranged at the joints of the supporting arms and the bottom frame. The adjusting mechanism comprises a lining, an eccentric bolt, a locking nut and a kidney-shaped hole, the lining of the supporting arm and the kidney-shaped hole of the bottom frame are locked through the eccentric bolt and the locking nut, the eccentric bolt is provided with a cam part, and the bottom frame is provided with a limiting frame capable of containing the cam part on the outer side of the kidney-shaped hole; the adjusting motor is configured to drive the eccentric bolt to rotate; and the tightening motor is configured to drive the locking nut to rotate. According to the technology, the most suitable kingpin parameter setting is automatically switched through matched use of the adjusting motor and the tightening motor, and the problem of performance compromise caused by fixing kingpin parameters is solved.

The application relates to the technical field of suspensions, and discloses a double wishbone suspension for a vehicle and the vehicle, wherein the double wishbone suspension comprises a steering knuckle, an upper swing arm, a lower swing arm and a shock absorber; the steering knuckle is used for being connected with a vehicle wheel; one end of the upper swing arm is rotationally connected with the steering knuckle, and the other end is rotationally connected with a vehicle frame; one end of the lower swing arm is rotationally connected with the steering knuckle, and the other end is rotationally connected with the vehicle frame; along the height direction of the vehicle, the lower swing arm is arranged below the upper swing arm; one end of the shock absorber is rotationally connected with the upper swing arm, and the other end is connected with a vehicle body tower package. The universal design of the interface of the vehicle body tower package is realized; the space conflict problem caused by the fact that the shock absorber of the traditional double wishbone suspension cannot share the tower package with the shock absorber of a McPherson suspension is effectively avoided, and the vehicle body platformization and compatibility are realized.

The invention discloses a double-wishbone suspension structure with an upper spring based on an angle module, which comprises a steering knuckle, and one side of the steering knuckle is connected with a hub; the connecting angle is matched with the steering knuckle, and the steering knuckle and the connecting angle are provided with coaxial through holes; an angular contact bearing is installed at the output end of the driving mechanism, and the Z-direction freedom degree of the angular contact bearing is limited through a steering knuckle and a connecting angle; the air spring is arranged above the connecting corner; the upper cross arm is arranged in the middle of the connecting corner; and the lower cross arm is connected to the steering knuckle through a spherical hinge. The air spring is arranged on the upper portion and combined with the angular contact bearing, the stress of the spring can be effectively shared, the stability and responsiveness of the suspension system can be improved, impact caused by uneven road surfaces can be more efficiently absorbed, the suspension system can show better control capacity especially during steering and emergency braking, and the service life of the suspension system is prolonged. And therefore, the vehicle is more stable and more stable under the conditions of high-speed driving and complex road conditions.

To provide a housing that ensures high versatility in relation to vehicle specifications. [Solution] The housing 5 used in the high-mount double wishbone suspension system comprises a housing body 15 that supports the drive shaft 37, a connecting arm 16 made of a separate component from the housing body 15 and to which the upper arm 8 is connected at its tip, and a fixing mechanism 50 for fixing the connecting arm 16 to the housing body 15. The fixing mechanism 50 can fix the connecting arm 16 to the housing body 15 at multiple fixing positions that have different lengths from the housing body 15 to the tip of the connecting arm 16.

The invention provides a battery pack layout mode of a hub motor electric automobile and a battery management system of the hub motor electric automobile, according to the layout mode, a distributed battery pack is arranged on the inner side of a hub motor and between a double-wishbone suspension structure, the distributed battery pack serves as the balance weight mass of a dynamic vibration absorber for vibration reduction, and the gravity center of the automobile is effectively lowered; the space utilization rate and the driving stability are improved; according to the battery management system, the braking energy is firstly stored in the distributed batteries and then transferred to the main battery in a low-current mode, frequent charging and discharging of the main battery are avoided, the service life of the main battery is prolonged, meanwhile, the energy recovery efficiency is improved, and the after-sales maintenance difficulty is reduced. The method is suitable for the multi-wheel drive electric vehicle and has the remarkable economical efficiency and reliability advantages.

The utility model relates to the technical field of automobile suspensions, and discloses a double-wishbone support of an automobile suspension, which comprises a support body and a thread bushing, one end of the support body is provided with a connecting piece, the upper side of one end of the support body far away from the connecting piece is provided with an annular thread groove, and the upper side of the annular thread groove is provided with a fixed arc-shaped plate. A movable arc-shaped plate is arranged on one side of the fixed arc-shaped plate, arc-shaped clamping grooves are formed in the inner wall of the fixed arc-shaped plate and the inner wall of the movable arc-shaped plate, an arc-shaped ball head fixing block is arranged between the fixed arc-shaped plate and the movable arc-shaped plate, and a ball head is arranged in the arc-shaped ball head fixing block. When the ball head and the arc-shaped ball head fixing block need to be replaced, the threaded sleeve is rotationally taken down from the annular threaded sleeve, at the moment, the arc-shaped clamping strip on the movable arc-shaped plate can be rotationally taken out from the arc-shaped clamping groove, and after the movable arc-shaped plate is taken out, the arc-shaped ball head fixing block on the movable arc-shaped plate and the arc-shaped ball head fixing block on the fixed arc-shaped plate can be taken down for replacement. And the ball head can be replaced.

The invention provides a drive-by-wire chassis of a soil testing robot, and relates to the technical field of agricultural engineering, the drive-by-wire chassis of the soil testing robot comprises a frame bearing module, a frame, a longitudinal beam, a front cross beam and a rear cross beam, the frame bearing module adopts a high-strength steel middle beam bearing type structure, and the high-strength steel middle beam bearing type frame is subjected to anti-corrosion treatment and is matched with multiple groups of standard mounting hole positions; the invention has the advantages that the impact corrosion resistance is realized, the expansion is flexible, the 300kg load meets multi-equipment carrying, four-wheel driving and multi-mode steering are combined, the grounding specific pressure is reduced by more than 40%, the 1.82 m minimum turning radius is adaptive to a complex farmland, slipping and vehicle sinking are avoided, double-battery redundant power supports quick change, the endurance is 80-100km, multi-voltage output is adaptive to multiple sensors, and the double-fork-arm suspension and the 180mm ground clearance guarantee the stable running; the sampling positioning error is smaller than 10 cm through CAN bus closed-loop control, multiple braking protection is compatible with automatic driving, the operation safety, efficiency and intelligent level are greatly improved, and the requirement for precise soil measurement is perfectly met.

The application relates to a large-angle double-long-arm suspension integrated steer-by-wire system, which comprises a steering motor, a speed reducer, a wheel steering rotating pair and wheels which are sequentially connected in transmission from top to bottom, and the wheel steering rotating pair is connected with a vehicle body through upper and lower longitudinal arms. Compared with the prior art, the application has the advantages of meeting the high-speed rotation of the steering motor under the condition of large speed reduction ratio, high space utilization, small vertical space occupation, effectively limiting the axial movement of the steering knuckle relative to the shaft sleeve, realizing the wheel steering of + / -90 DEG and light weight, etc.

The utility model relates to an auxiliary frame structure suitable for a new energy truck double-fork-arm suspension, which comprises a cross beam component, a longitudinal beam component, a steering gear mounting bracket and a suspension swing arm, a longitudinal beam is arranged on the cross beam component to form an auxiliary frame assembly, the auxiliary frame assembly is connected with a frame through the longitudinal beam, the cross beam component and the longitudinal beam component are used for being connected with the suspension swing arm, and the steering gear mounting bracket is arranged on the suspension swing arm. The steering gear mounting support is used for mounting a steering gear assembly, and the suspension swing arm assembly and the steering gear mounting support are arranged on the auxiliary frame assembly and used for bearing a steering system. The whole structure is high in bearing capacity and good in stability, the rigidity of a vehicle body is greatly improved after the device is connected with a frame, and the device is good in torsion resistance and driving control.