48 results about "Vehicle suspension system" patented technology

This invention discloses a method for analyzing the meridional strain of air springs based on piecewise integration of elliptical arc length, belonging to the technical field of vehicle suspension systems or rubber elastic elements design. The method includes the following steps: approximating the arc segment from the top of the air spring generatrix to the outermost bulge point as the first quadrant of an ellipse, determining the major and minor semi-axes of the reference and inflation states; introducing normalized coordinates to establish a linear mapping of the abscissas of the two states, constructing an elliptical arc length infinitesimal element and transforming it to the same interval for integration; dividing the interval into even-numbered equal parts, using the complex Simpson method to obtain the arc length piecewise, calculating the ratio of the inflation arc length to the reference arc length as the elongation ratio, and taking the natural logarithm to obtain the true meridional strain of each segment of the generatrix; this invention can accurately describe the non-uniform deformation of each segment of the generatrix during air spring inflation, providing a basis for strain prediction and fatigue assessment.

The invention relates to arrangements concerning the elimination of cracks encountered during the assembly of protective body covers (14) configured particularly to protect shock absorbers (10) located in vehicle suspension systems from external factors onto shock absorber (10) systems, and to the development of a new material that is more elastic and simultaneously has increased strength values compared to protective body covers (14) in the current art.

The application provides a linear motor, an actuator and a vehicle, and relates to the technical field of vehicle suspension systems, wherein the linear motor comprises a stator assembly and a mover assembly; the stator assembly is composed of a stator shell and a stator end seat mounted at the open end of the stator shell, a plurality of armature coils are arranged in the side wall of the stator shell in the axial direction, and the stator end seat and the stator shell jointly form a space for accommodating the mover; the mover assembly comprises a mover shell and an axially arranged permanent magnet, the mover shell is partially inserted into the accommodating space and is in sliding connection with the stator shell to realize relative axial movement; a first elastic member is arranged in the accommodating space and is used for providing a buffering and resetting force in the movement process. The application changes the design of the through-type mover assembly, so that the mover shell is only partially inserted into the stator shell, the first elastic member improves the impact resistance and enhances the buffering effect, and the overall structure is more compact and small, and the performance and volume are superior to those of a traditional linear motor.

A suspension system (300) and a vehicle (1000). The suspension system (300) comprises a suspension assembly and a thermal management system (20). The suspension assembly comprises a suspension electric motor (10) and a suspension controller (25). The suspension controller (25) is configured to control the suspension electric motor (10). The suspension electric motor (10) is configured to provide a target thrust for a target duration. The suspension controller (25) is further configured to output a target current corresponding to the target thrust. The target thrust and the target duration are determined on the basis of road conditions and vehicle parameters. The thermal management system (20) is configured to exchange heat with the suspension controller (25), so that the internal temperature of the suspension controller (25) does not exceed a current-limiting temperature of the suspension controller (25), thereby enabling the suspension controller (25) to output the target current corresponding to the target thrust. The thermal management system (20) is further configured to exchange heat with the suspension electric motor (10), so that after the suspension electric motor (10) achieves the target thrust and sustains the target thrust for the target duration, the temperature of a permanent magnet does not exceed a demagnetization temperature of the permanent magnet.

A control system (100, fig 1) for a vehicle suspension system 158, comprising processors 104 that receive an input 135 associated with a seat recline request 156 from a user of the vehicle; and output

The application discloses a suspension system and a vehicle; the suspension system comprises: shock absorbers corresponding to a plurality of wheels; a plurality of suspension control integrated modules; one suspension control integrated module is connected with one shock absorber; at least one pressure building module is connected with the suspension control integrated module and is suitable for adjusting the suspension state of each shock absorber of the vehicle. In this way, the controls of the suspension control integrated modules do not conflict with each other, the suspension control integrated modules can have stronger adjustment capability, the pressure building module can respectively control each shock absorber through the suspension control integrated modules, and the lifting speed and the pressure building speed are higher.

The application is suitable for the technical field of vehicles, and provides a suspension system and a vehicle. The suspension system comprises: a linkage assembly composed of an upper control arm and a lower control arm, the upper control arm extending in the lateral direction of the vehicle, and the lower control arm extending in the longitudinal direction of the vehicle; a knuckle, the lower part of which is connected to the lower control arm, and the upper part of which is connected to one end of the upper control arm; and an elastic assembly comprising a first elastic member extending in the lateral direction of the vehicle, the first elastic member being capable of elastically deforming in the extension direction thereof and being capable of elastically deforming in the height direction of the vehicle. In the suspension system provided by the application, the first elastic member can absorb vibration energy through elastic deformation; the first elastic member can also provide lateral support for the two linkage assemblies and balance the load on the two linkage assemblies; the first elastic member can simultaneously serve as a buffer, a vibration filter, a load balancer and a stability improver, thereby reducing the space occupation of the structure.

The utility model belongs to new energy automobile suspension system front sub -frame structure in new energy automobile suspension system technical field. The front crossbeam body (2) of front crossbeam (1) is provided with front upper folding part (3) respectively at each end, is provided with front connecting plate (4) on front upper folding part (3), and the front upper folding part (3) of front crossbeam body (2) is in U shape structure, and the front crossbeam body (2) is connected with the one end of left longitudinal beam (5) and the one end of right longitudinal beam (6), and the other end of left longitudinal beam (5) is provided with rear upper folding part (7), and the other end of right longitudinal beam (6) is provided with rear upper folding part (7), and is provided with rear connecting plate (8) respectively on each rear upper folding part (7), and rear crossbeam (9) is connected with left longitudinal beam (5) and right longitudinal beam (6). The new energy automobile suspension system front sub -frame structure is simple in structure, light in weight and low in cost.

A leaf spring device for a suspension system for a vehicle according to the present disclosure may include a center leaf spring, side leaf springs respectively disposed at two opposite sides of the center leaf spring, and bracket modules each including a center bracket configured to accommodate an end of the center leaf spring, and a side bracket connected to the center bracket and configured to accommodate an end of the side leaf spring.

The application discloses a whole vehicle suspension system based on a swing frame, sleeve type oil cylinders are arranged between the swing frame and the drive axle on both sides; the whole vehicle suspension system comprises a working gear pump circulation unit, a swing frame circulation unit and a motor circulation unit; the working gear pump circulation unit realizes the whole vehicle basic driving function; the sleeve type oil cylinders absorb kinetic energy based on the angle change between the swing frame and the drive axle, the swing frame circulation unit converts the kinetic energy into the flow potential energy of transmission oil based on the sleeve type oil cylinders, and the whole vehicle additional driving function is realized; the motor circulation unit converts the flow potential energy of transmission oil into electric energy based on the swing frame circulation unit, and the whole vehicle power supply function and the whole vehicle additional driving function are realized; when the vehicle occurs yaw, the oil flow in the sleeve oil cylinder is compressed, the swing kinetic energy of the swing frame is converted into the flow potential energy of transmission oil, and the flow potential energy of transmission oil is converted into hydraulic oil pressure and stored electric energy provided for the vehicle body stabilizing system, the braking system and the battery system through subsequent devices.

The present invention relates to a diaphragm that can prevent deformation of the diaphragm and prevent blockage of the flow path by means of a rib formed in the body of a diaphragm having a diaphragm structure of an oil chamber and a gas chamber in a shock absorber constituting a vehicle suspension system. The invention provides a diaphragm without a parting line, and a diaphragm that can increase the rigidity of the product by forming a rib protruding from the inner circumference of the body to secure the flow path even under pressure on the diaphragm or deformation of the product, forming a groove in the rib, forming a reinforcing rib on one side of the rib, and forming an outer circumference rib on the outer circumference of the body.

The application discloses a rail vehicle component durability test system and method, and belongs to the technical field of test equipment, which comprises a simulation suspension assembly, two simulation wheel hubs and two track simulation assemblies, the simulation suspension assembly is arranged on a base through a fixing frame, the two simulation wheel hubs are respectively used for being sleeved on two wheel seats of a to-be-tested axle, the two track simulation assemblies are arranged on the base and are used for simulating a real track, and the bases of the two track simulation assemblies are independently adjusted in lifting. The application sets an elastic mechanism between a first hydraulic cylinder and an axle box, the vertical downward load output by the first hydraulic cylinder is buffered by the elastic mechanism and then is transmitted to the axle box, compared with the mode that an actuating cylinder directly applies a load to the axle neck of the axle through a bearing seat in the prior art, the application can simulate the filtering and buffering characteristics of the vehicle suspension system to dynamic load, so that the transmission law of the test load is more consistent with the actual working condition.

The application provides a linear motor, an actuator and a vehicle, and relates to the technical field of vehicle suspension systems, wherein the linear motor comprises a stator ring, a mover shaft and an end seat; a plurality of first magnetic field components are arranged in the stator ring in the axial direction; the mover shaft can slide in the stator ring in the axial direction, and a plurality of second magnetic field components are arranged on the mover shaft in the axial direction; the mover shaft is driven to reciprocate through electromagnetic interaction; and a closed buffer air chamber is formed between the first end of the mover shaft, the inner wall of the stator ring and the end seat. When the mover shaft of the linear motor of the application runs to the end of the stroke, the air in the chamber is compressed to form gas damping without contact and wear, effectively reducing mechanical impact, improving running stability, avoiding wear and damage caused by hard collision; in addition, the buffer air chamber is embedded in the internal structure of the motor, and no external buffer mechanism is needed, which significantly improves the compactness and integration of the overall structure.

Aspects of the invention relate to an actuator system for a vehicle suspension system, the actuator system comprising: a first actuator comprising a piston, a first upper fluid chamber and a second lower fluid chamber, the first and second fluid chambers being separated by the piston; a second actuator comprising a piston, a first upper fluid chamber and a second lower fluid chamber, the first and second fluid chambers being separated by the piston; a first hydraulic passage fluidly connecting the first upper fluid chamber of the first actuator with one of the first and second fluid chambers of the second actuator; a second hydraulic passage fluidly connecting the second lower fluid chamber of the first actuator with the other of the first and second fluid chambers of the second actuator; and at least one pump configured to pump fluid between the first and second hydraulic passages.

The embodiment of the application provides a vehicle control method, a vehicle and a readable storage medium, the method comprises the following steps: acquiring a road surface height sequence corresponding to a wheel track, wherein the road surface height sequence is used for representing the geometric profile of a road; determining a road excitation sequence corresponding to the wheel track according to the road surface height sequence, wherein the road excitation sequence is used for representing the actual load borne by a vehicle suspension system; determining a feedforward control force according to the road excitation sequence, wherein the feedforward control force is used for offsetting a known forward disturbance; determining a feedback compensation force according to the feedforward control force, wherein the feedback compensation force is used for compensating for the prediction error of the feedforward control force and a random disturbance; and determining the working state of the vehicle suspension system according to the feedforward control force and the feedback compensation force. The application solves the technical problem of poor ride comfort of a vehicle when passing through a bumpy road in the prior art.

The application belongs to the technical field of vehicle suspension systems, and particularly relates to a low-noise stiffness valve, which comprises a valve seat and a plunger. The valve seat is provided with a central passage. The side wall of the valve seat is provided with a gas outlet hole in communication with the central passage. The inner wall of the valve seat is provided with a first sealing ring and a second sealing ring. The first sealing ring is located above the gas outlet hole, and the second sealing ring is located below the gas outlet hole. The plunger is slidably arranged in the central passage. One end of the plunger is provided with a communication cavity in communication with the central passage. The side wall of the plunger is provided with an air inlet hole in communication with the communication cavity. The application replaces the end face contact sealing cooperation between the existing plunger and valve seat with side face cooperation. There is no collision between the plunger and the valve seat, and the noise can be effectively reduced. The first sealing ring and the second sealing ring prevent the gap between the plunger and the valve seat from leaking, and ensure the sealing performance of the valve body.

A stabilizer bar assembly for a vehicle is provided. In examples, the stabilizer bar assembly includes a stabilizer bar having a first end configured to couple to a right side of a suspension system of the vehicle and a second end configured to couple to a left side of the suspension system. The stabilizer bar assembly further includes at least one lateral retention feature, having a wire coiled around the stabilizer bar to retain the wire at a location between the first end and the second end of the stabilizer bar, thereby restricting lateral movement of the stabilizer bar when the lateral retention feature interfaces with a bracket coupling the stabilizer bar to a chassis of the vehicle.

A fluid suspension system for a land vehicle consists of an actuator connected to a chassis and a separate axle with a pivoting connection. A fluid pressure circuit works in conjunction with the actuator(s). A controller is in operational communication with the fluid pressure circuit and is programmed to receive input indicative of the land vehicle's travel speed. The fluid pressure circuit is adjusted to limit fluid flow or reduce fluid pressure within a low travel speed range, allowing the axle to pivot in response to variations in the underlying support surface.The fluid pressure circuit is adjusted to a higher displacement speed range for selective actuation of the actuator(s) or for higher fluid pressure actuation of the actuator(s), in response to variations in the underlying surface.

This utility model discloses a motorcycle frame structure with adaptive shock absorption function, relating to the technical field of motorcycle suspension and frame structure design. It includes an extension frame, a horizontal frame, and a shock absorber. Vertical rods are equidistantly arranged at the bottom of the horizontal frame, with the bottom of each vertical rod positioned at the top of the extension frame. A pair of pins is rotatably connected to the middle of the vertical rod located in the middle of the extension frame, and a rear swingarm is fixedly mounted at one end of each pin. The main structure of this frame consists of a horizontal frame, an extension frame, and a shock absorber. The vertical rod at the bottom of the horizontal frame connects to the rear swingarm, which is connected to the bottom lug of the shock absorber. An adaptive adjustment component is provided at the top of the extension frame. This adaptive adjustment component can adjust the top fixing point of the shock absorber, significantly improving the flexibility and adaptability of the entire vehicle suspension system. The installation angle of the shock absorber can be adjusted according to different road conditions, loads, or riding styles, thereby changing the effective leverage ratio and working stiffness.

The utility model provides a kind of shock absorber tower package manufacturing tool, it is related to tool technical field, the shock absorber tower package manufacturing tool includes tool body and tower package positioning mechanism, the tower package positioning mechanism includes seat, adjusting assembly and tower package positioning piece, the seat is connected in the tool body, the adjusting assembly is connected in the seat, the tower package positioning piece is detachably connected in the upper end of the adjusting assembly, and the adjusting assembly is used to adjust the space angle of the upper end surface of the tower package positioning piece. In this way, it is not necessary to develop special modification tool for each vehicle model to be modified, thereby the development cycle and development cost of the shock absorber tower package manufacturing tool can be shortened, and the modification efficiency of the vehicle suspension system can be improved.

An adjustment system (100) for adjusting a vehicle suspension system (10), comprising an optical sensor (110) configured to detect a pothole (P) on the road in front of the vehicle, a dual-frequency sensor (120) with a second ultrasonic frequency generator (140) configured to emit an ultrasonic wave at a second frequency, and an electronic control unit (150) configured to receive an optical sensor input from the optical sensor (110) corresponding to the detection of the pothole (P), to activate the second ultrasonic frequency generator (140) to emit the ultrasonic wave in the direction of the pothole (P) to determine a depth (H) of the pothole (P), and to send a signal to a control unit of the suspension system to adjust the suspension system based on the depth (H) of the pothole (P).The adjustment system (100) promotes an improvement in passenger comfort when the vehicle (10) travels over uneven terrain.

The application discloses a suspension, a suspension control method, a vehicle suspension system, a control method of a vehicle suspension, a vehicle, an electronic device, a computer readable storage medium and a computer program product. The suspension comprises an adjusting assembly configured to adjust the length of the suspension in a first direction. In this way, the length of the suspension in the first direction can be adjusted by the adjusting assembly in the suspension, so that the wheel connected with the suspension can be in close contact with the ground. In this way, the distance between the vehicle body connected with the wheel and the ground can be maintained to a certain extent, so that the change of the vehicle body posture during the driving of the vehicle can be inhibited, and the situation that the sitting posture of the user in the cabin is changed or the user is accidentally displaced due to the change of the vehicle body posture can be avoided, and the driving experience of the user in the cabin can be ensured.

This invention discloses a megawatt-level MCS rail transit charging connector, belonging to the technical field of charging connectors. It includes a plug end and a socket end. The plug end includes a plug housing, a floating plate mounted on the front end of the plug housing, and a power terminal assembly penetrating the floating plate. A limiting ring is installed on the inner side of the plug housing, sliding axially within a plug hole formed on the end face of the plug housing. An annular limiting groove is formed on the inner side of the limiting ring to limit the floating plate. Multiple radial elastic supports are evenly distributed circumferentially between the floating plate and the limiting ring. A limiting plate is also installed on the inner side of the plug housing, spaced axially from the limiting ring. This invention avoids the problem of uneven radial contact pressure on the power terminals inside the connector during mating due to settlement of the rail vehicle suspension system after passenger loading, track unevenness, or parking positioning errors, thus extending the lifespan of the device.

The utility model relates to bridge inspection car technical field, aims at solving the problem that the existing inspection car suspension mechanism adopts fixed connection mechanism, cannot adapt to the track height difference and track pitch error, provides an inspection car suspension system, including movable end suspension mechanism and fixed end suspension mechanism, movable end suspension mechanism and fixed end suspension mechanism are suspended on two tracks respectively, movable end suspension mechanism includes drive box one, upper fixed base one and movable end lower connecting seat, and fixed end suspension mechanism includes drive box two, upper fixed base two and fixed end lower connecting seat, drive box is hinged on the corresponding upper fixed base, and drive box can rotate in vertical plane relative to upper fixed base, upper fixed base one is hinged with movable end lower connecting seat, and upper fixed base two and fixed end lower connecting seat are hinged, movable end lower connecting seat is slidably connected with movable end portal frame, and movable end lower connecting seat can move transversely relative to movable end portal frame, and fixed end lower connecting seat is hinged with fixed end portal frame.

The application discloses a kind of pneumatic lifting slide column assembly and vehicle, for vehicle suspension system, it is characterized in that, including: shock absorber component, spring component, pneumatic lifting mechanism, it is located above spring component and is located at the top of shock absorber component;Gas supply unit, with the gas port of pneumatic lifting mechanism communication;Control unit, with gas supply unit electric connection;Wherein, the upper spring pad of spring component is pressed and fits in the lower end of pneumatic lifting mechanism, lower spring pad is pressed and fits on the spring disc of shock absorber component, pneumatic lifting mechanism, spring component and shock absorber component coaxial series arrangement;Control unit is configured as: obtaining real-time attitude data, and according to the deviation between real-time attitude data and preset target attitude, control gas supply unit is inflated or deflated by gas port to pneumatic lifting mechanism, to change the axial height of pneumatic lifting mechanism, to adjust the overall height of slide column assembly, to make deviation eliminate or reduce to within preset range.

The application relates to a spring motion behavior simulation method and system. The spring motion behavior simulation method comprises the following steps: acquiring geometric defect feature data and assembly deviation feature data of a spring; constructing a spring digital model based on the geometric defect feature data and the assembly deviation feature data; predicting local coil contact and buckling deformation of the spring in the spring motion process based on the spring digital model, and quantifying nonlinear friction damping and dynamic effective stiffness variation of the spring. The application can more truly simulate the non-ideal behavior of the spring under the action of complex loads by integrating the actually existing geometric defects and assembly deviations into the digital model, improves the accuracy of design verification, and provides a reliable basis for performance optimization of a vehicle suspension system.

This application discloses a conversion circuit for a vehicle, a vehicle suspension system, and a vehicle. The conversion circuit includes a bridge circuit and a controller. The bridge circuit includes a first DC connection terminal, a first AC connection terminal, and a second AC connection terminal. The first DC connection terminal is configured to connect to the vehicle's power battery, and the first AC connection terminal is configured to connect to the vehicle's AC charging port. The bridge circuit is configured as a drive circuit for the vehicle suspension. The controller is configured to, in AC charging mode, control the bridge circuit to convert AC power passing through the first AC connection terminal into DC power, and then charge the power battery through the first DC connection terminal. The conversion circuit can operate in either drive mode or AC charging mode, thus enabling the reuse of charging and drive circuits, simplifying the vehicle's circuit structure and reducing costs.

The application relates to a vehicle suspension system and a vehicle, and belongs to the technical field of engine suspensions, which comprises a front subframe, a rear support structure, an engine, front suspensions, a transmission and rear suspensions; wherein the rear support structure is connected with the front subframe; the front suspensions are two and are arranged at intervals on the front subframe, the engine is connected with the front subframe through the front suspensions; the transmission is connected with the engine; the rear suspensions are two and are arranged at intervals on the rear support structure, and the transmission is connected with the rear support structure through the rear suspensions. The load force of the power assembly is evenly borne through four-point support, the situation that a single point of the suspension is subjected to excessive force is reduced, and the dynamic response of the vehicle is improved. Meanwhile, the four-point support can provide support for the output torque of the power assembly, the anti-torque limiting effect is better than that of the existing three-point arrangement, and the stability of the power assembly is better.

The present application belongs to the technical field of vehicle suspension system, more specifically, it relates to a vehicle hydraulic active suspension system, and also relates to a control method of the vehicle hydraulic active suspension system. The vehicle hydraulic active suspension system comprises multiple groups of control components, the oil cylinder of each group of control components is connected with an oil tank (15) through a first pipeline (31), a drain switch valve is arranged on the first pipeline (31), the oil cylinder is connected with an oil pump pipeline (32) through a second pipeline (32), an accumulator and an oil injection switch valve are arranged on the second pipeline (32), an oil pump (16) is arranged on the oil pump pipeline (33), and the oil pump pipeline (33) is connected with the oil tank (15). The suspension system of the present application adopts a single-pump structure, which can realize the key function of a full-active suspension system, ensure reliable performance, simplify system configuration, reduce the number of parts, reduce costs, and at the same time, reduce the occupied space, improve the integration and operation reliability.

Device for regenerating energy from a suspension system for a vehicle, the device comprising: a suspension link (30) which connects a wheel carrier to a body (100); a bushing unit (40) which is arranged between a connection area (31) with the body of the suspension link (30) and the body (100) and outputs a joint movement of the suspension link (30) by means of an output gear (41); a rotation locking mechanism (48) which rotates the output gear (41) integrally with the connection area (31) with the body of the suspension link (30) by connecting the output gear (41) to one side of the suspension link (30) and provides one degree of freedom with respect to a torsion of the suspension link (30); A force transmission mechanism (50) in one direction, which is connected to the output gear (41) of the bushing unit (40), receives the joint movement transmitted by the output gear (41) by means of a drive gear (51) and outputs rotational energy in one direction; a generator (60) which is arranged on one side of the body (100) and generates electricity while being rotated in one direction by the transmitted rotational energy; an acceleration mechanism (70) which is arranged between the generator (60) and the power transmission mechanism (50) in one direction, and which transmits the rotational energy in one direction, which is transmitted by the power transmission mechanism (50) in one direction, to the generator (60); a rectifier (80) which is electrically connected to the generator (60) and rectifies the electricity generated by the generator (60); and a connection area formed on the inner extension (41a) of the output gear (41), wherein the rotation locking mechanism (48) comprises: a fastening pin (P) which protrudes from the side of the suspension link (30); and a connecting element (49) which has a round retaining ring (49a) which is integrally formed on a first side which is to be coupled to the connecting area, and a slot (S) on a second side.