38results about How to "Reduce vehicle quality" patented technology

A vehicle end structure mainly includes a vehicle bumper fascia and a grille assembly. The vehicle bumper fascia includes a sill portion and a receiving member extending from the sill portion. The receiving member defines a channel with an opening extending in a forward vehicle facing direction. The grille assembly includes inner grille and outer grille members that are coupled together. The inner grille member has a support member formed at a periphery of the inner grille member. The support member is disposed in the channel of the receiving member to limit movement of the inner grille member in a direction normal to the forward vehicle facing direction. The outer grille member is disposed on a forward vehicle facing side of the inner grille member to conceal the support member from view in the first direction.

A suspension apparatus 1 includes an electric shock absorber 30 having a motor 40 and a ball screw mechanism 35, an electric circuit 101, an inverting amplification circuit 120, and an inertia compensation capacitor Cp. The electric circuit 101 electrically connects the two electricity supply terminals of the motor 40. The inverting amplification circuit 120 is connected to the electric circuit 101. The inertia compensation capacitor Cp is connected to the output terminal O of the inverting amplification circuit 120. As a result of approaching or separating motion between sprung and unsprung members, not only a generated current but also an inertia corresponding current Im which represents an inertial force of a rotation body, such as the ball screw shaft 36 and the rotor of the motor 40, flows through the motor 40 and the electric circuit 101. A current Ip which is antiphase to the inertia corresponding current Im flows through the inertia compensation capacitor Cp. This antiphase current Ip cancels out the inertia corresponding current Im.

The invention discloses a main pin zero bias wire-controlled independent driven and steering automobile running mechanism and an electric vehicle for solving the problems of complex mechanism and low vehicle stability. The mechanism consists of a steering component, a suspension component and a wheel component. The steering component consists of a main pin assembly and a steering vertical shaft assembly. The main pin assembly comprises a steering motor (1), a speed reducer (2), a speed reducer output flange (3), a main pin sleeve (5), a main pin (6) and a coding disc (7); and the steering vertical shaft assembly comprises a main steering arm (8), a steering vertical shaft (12), an upper distance plate (19) and a lower distance plate (24). The suspension component comprises an upper springseat (10), a shock absorber (11), a spring (13) and a lower spring seat (14). The wheel component comprises a hub motor (16), a wheel (18) and a wheel bracket (22). The electric vehicle consists of aframe (28), the main pin zero bias wire-controlled independent driven and steering automobile running mechanism (27) and an electric control system.

The invention discloses an electric vehicle electromagnetic integrated energy-feeding suspension actuator and a control method thereof. The suspension actuator includes a magnetorheological shock absorber, a linear motor and an actuator monitoring device. The magnetorheological The shock absorber includes cylinder body, magneto-rheological fluid, inner cavity upper partition and inner cavity lower partition, linear motor includes linear motor housing, secondary and primary, actuator monitoring device includes actuator controller; its control The method includes the steps: 1. data collection and transmission; 2. the actuator controller controls the suspension actuator according to its sampling data in four modes: energy sharing mode, primary damping mode, secondary damping mode and active mode. control. The invention has a reasonable design, and can switch the suspension system in multiple modes according to the different road conditions of the vehicle to improve the comfort and stability of the vehicle, and at the same time recover the energy generated by the suspension system in time, reducing the energy waste of the electric vehicle , and can extend the cruising range of electric vehicles, and has high promotion and application value.

The invention discloses an automobile traveling mechanism wheel hub comprehensively drive and turning, aiming to solve the problems of easy fatigue damage, low vehicle stability, and the like. the automobile traveling mechanism comprises a wheel assembly, a suspension assembly and a turning assembly, wherein the turning assembly comprises a worm wheel bracket (14), a worm wheel (15), a worm (23),a turning motor (24), a coupler (25) and a double-fork type transmission assembly, wherein the double-fork type transmission assembly consists of an upper fork arm (7), a lower fork arm (22), a low friction hinge, an upper spherical hinge (5) and a lower spherical hinge (6); the suspension assembly comprises a shock absorber sleeve barrel, a spiral spring (2), a shock absorber (3), a lower springseat (4) and an upper spring seat (27); the wheel assembly comprises a wheel (11), a hub motor (12), a shaft head (13) and a wheel bracket (10); the worm wheel bracket (14) is sleeved in the middle of the shock absorber sleeve barrel and is horizontally fixed on an automobile frame, and a wheel bracket (10) is fixedly connected with the lower end surface of the shock absorber sleeve barrel.

The invention relates to a lithium battery system replacing a lead-acid electric vehicle battery system and a manufacturing method thereof, including a battery pack shell, a battery module, a bracket, a BMS and electrical components, wherein the battery pack shell includes an upper shell and a lower shell, The upper case and the lower case can be closed and connected; the battery module is composed of lithium batteries connected in series and parallel, which are fixed on the lower case of the battery pack through a bracket; the BMS is installed on the bracket; design position. The manufacturing method includes the following steps: (1) processing the shell of the battery pack and the internal bracket; (2) assembling lithium batteries in series and parallel into a module by using connecting cables and connecting copper bars; (3) lowering the shell of the discharged battery pack of the module, And install the bracket to fix it; (4) Install the relevant electrical components to the design of the battery case; (5) Install the BMS on the bracket; (6) Close the upper case of the battery pack. The replacement scheme of the present invention can reduce the use of lead-acid batteries and reduce the risk of environmental pollution; since lithium batteries are used to replace lead-acid batteries, a low-temperature charging and heating system is added to improve the low-temperature discharge capacity and low-temperature charging performance of the battery system.

The invention discloses an arm frame linkage mechanism, which comprises a first arm frame, a second arm frame, a first linkage, a second linkage, and an oil cylinder, wherein the firs arm frame is hinged with the second arm frame, and one end of the oil cylinder is hinged at the hinge point of the first arm frame and the second arm frame; the head ends of the first linkage, the second linkage arerespectively hinged on the first arm frame and the second arm frame; and the tail ends of the first linkage and the second linkage are respectively hinged on the oil cylinder. Because one end of the oil cylinder can be vacant, the arm frames need no oil cylinder seat, and the oil cylinder seat mounting problem can not be considered, the structure design of the arm frames can be greatly simplified; and the linkages adopt simple two hole type, so the structure is simple, and the weight is lighter. For the oil cylinder seat is omitted, not only the latent fault initiated by the tearing of the oil cylinder seat is avoided and the equipment fault rate is reduced, but also the whole vehicle weight of the equipment can be reduced. On the base, the invention also discloses a foldable arm frame and a concrete pump truck.

The invention relates to an inner panel of a composite material hair cover for an electric vehicle. The inner panel of the hair cover and the outer panel of the engine cover are glued and connected by an adhesive, the inner panel of the hair cover has flanging, and the connection structure of the adhesive connection includes a hopper, Blocking block and anti-overflow block; multiple hoppers are respectively set on the flange of the inner panel of the hood; the blocking block is set on the side of the hopper close to the outer plate; the shape of the blocking block matches the hopper, and the blocking block is higher than the inner plate Plane; two kinds of adhesives with different properties can be separated through the blocking block to realize mixed bonding; the anti-overflow block is located on the side of the outer plate close to the inner plate, and the shape of the anti-overflow block is determined according to the edge shape of the inner plate. The anti-overflow block is higher than the plane of the inner plate, which can prevent the adhesive from overflowing. The invention adopts integrated injection molding of composite materials, which has low mold opening cost and high production efficiency. Through the mixed-element connection, the mechanical properties of different adhesive layers are rationally utilized, the stress concentration at the end is reduced, and better adhesive performance is achieved. , to ensure the aesthetics of bonding and save costs.

The invention belongs to the field of auxiliary transportation devices for underground coal mines and particularly relates to a light mine explosion-proof electric vehicle. The light mine explosion-proof electric vehicle aims at solving the problem that no small flexible pollution-free explosion-proof electric vehicle for an underground coal mine exists at preset. A chassis body is of an integrated structure formed by welding steel plates and profile steel in an overlap joint manner. A motor transmission system comprises an explosion-proof motor, a differential speed reduction gearbox, a short transmission half shaft of a spherical cage structure, a long transmission half shaft of a spherical cage structure, a front left wet-type multi-disc brake and a front right wet-type multi-disc brake. A front independent suspension system structurally comprises a left shock absorber, a left swing arm and a left stabilizing rod and a rear independent suspension system structurally comprises a right shock absorber, a right swing arm and a right stabilizing rod. The left angle of elevation and the right angle of elevation are provided with shock absorber connection points, stabilizing rod connection points and swing arm connection points respectively. On the premise that the structural strength requirement is met, the lightweight design is adopted, the mass of the whole vehicle is reduced as much as possible, and the light mine explosion-proof electric vehicle has the beneficial effects of being low in mass, small in shape size, compact in structure, flexible and efficient in mechanic operation, free of pollution and the like and is mainly used for the fields of rescue, overhauling, inspection and the like of the underground coal mines.

The invention relates to steering systems and steering control methods of automobiles, in particular to an electric steering system and electric steering control method of a new energy electric automobile. The electric steering system of the new energy automobile is characterized by comprising an electric steering mechanical system and an electric steering control system; the electric steering mechanical system comprises a steering wheel, a steering column, a left steering wheel and a right steering wheel; the steering column, the left steering wheel and the right steering wheel are connected with the steering wheel; a damping feedback motor is connected to the steering column. The structure of an automobile front axle is simplified, and performance of the steering system of the new energy automobile is optimized.

The invention relates to an electric vehicle which comprises a vehicle body, a plurality of magnetic electric wheels, a plurality of third permanent magnet groups, a plurality of control windings and a plurality of second steering windings, wherein the magnetic electric wheels are arranged at the lower part of the vehicle body; each magnetic electric wheel comprises a wheel body, a first permanent magnet arranged at the center of the wheel body, and two second permanent magnets at both ends of the wheel body in the transverse direction; the second permanent magnets towards the inside of he vehicle body are provided with first steering permanent magnets; each third permanent magnet group comprises two third permanent magnets with the same magnetism with the first permanent magnet; the control windings correspond to the magnetic electric wheels; variable currents are conducted inside the control windings to generate alternately changing magnetic fields matched with the second permanent magnets; the second steering windings correspond to the first steering permanent magnets; and variable currents are conducted inside the second steering windings to generate magnetic fields with different intensities and enable the second steering windings to be matched with the first steering permanent magnets. According to the electric vehicle disclosed by the invention, the vehicle body is completely suspended above the magnetic electric wheels, electric energy is converted into the magnetic fields, the power source has no pollution, and the electric vehicle has high utilization rate of energy, a simple structure and high traveling safety.