37results about How to "Improve side impact performance" patented technology

The invention relates to a novel metal powder melting and quick forming machine which comprises a frame, a control system, a laser galvanometer scanning device, a powder laying device, a three-cylinder body and a laser, wherein the control system, the laser galvanometer scanning device, the powder laying device, the three-cylinder body and the laser are all arranged on the frame, the laser galvanometer scanning device is in optical connection with the laser, and the laser galvanometer scanning device, the powder laying device, the three-cylinder body and the laser are all connected to the control system. The novel metal powder melting and quick forming machine has the advantages that a nonequilibrium supersaturated solid solution and uniform and fine metallographic structures can be obtained, the density of a formed part is close to 100%, the mechanical performance is equivalent to that of a forging part, the processing time and cost can be obviously reduced, and the development cycle of a new product is shortened. The novel metal powder melting and quick forming machine greatly adapts to the requirements of quick, individuated and flexible development of the modem manufacturing industry and has a broad application prospect in the manufacturing fields of aviation, aerospace, medicine, molds, weaponry and the like.

A supporting structure of a door impact beam for a vehicle mounted on an inner panel of a door for the vehicle, may include a coupling part formed with a coupling groove to which the impact beam may be coupled, a supporting part bent downwardly from the coupling part and supporting the coupling part, and mounting parts provided along side portions of the coupling part and the supporting part and mounted on the inner panel of the door, wherein the coupling part, the supporting part, and the mounting part may be integrally formed, and the coupling part and the supporting part may be protruded from the inner panel of the door to form a reinforcing part.

The invention discloses a low-density wood plastic board and a preparation method thereof and belongs to the technical field of decorative materials. The technical scheme is that: the low-density wood plastic board is prepared from the following raw materials in part by weight: 35 to 60 parts of plastic particles, 20 to 60 parts of wood meal, 0.3 to 1 part of azodicarbonamide (AC) foaming agent, 1 to 5 parts of maleic anhydride grafted coupling agent, 0.15 to 0.5 part of nucleating agent and 0.15 to 0.6 part of antioxidant; and the low-density wood plastic board is processed by the process steps of material weighing, material mixing, extrusion and calendaring. Compared with the prior art, the invention has the advantages that the low-density wood plastic board can be recycled and is renewable; and the overall weight of the low-density wood plastic board is reduced by the microfoaming process, so that the energy is saved, the cost is reduced, and the economic benefit of enterprises is improved.

The invention provides a multi-size multi-power platform vehicle body front wall floor structure, a multi-power multi-size platform vehicle body structure and a multi-power multi-size series platformvehicle. The power types comprise pure electricity, hybrid power and fuel oil. A middle floor, a seat cross beam and a threshold beam inner plate are shared. A front wall under-floor structure is configured according to requirements of a power energy storage and dissipation system. The floor is tiled, and the seat cross beam is communicated left and right. A front wall curved surface of the pure electricity type is flat and smooth, a front wall lower cross beam communicated in a left and right mode is arranged below the plate and hard points are additionally installed and hung. In order to avoid the exhaust system, the middle of the front wall of the hybrid type protrudes backwards, a floor longitudinal beam is in lap joint with a longitudinal beam and extends inwards and backwards, the torque box cover plate is supplemented, and the area is integrated to share hard points. And the fuel oil plate supplements a seat cross beam below the floor. The seat cross beam and the B column can move forwards and backwards, a torque box cover plate is supplemented, and shared hard points of the area are integrated. According to the fuel oil type, a seat cross beam under a floor is supplemented.The seat cross beam and a B column can move back and forth in a middle uniform-section area, so that the man-machine requirements of high-low vehicles and large and small vehicles for the driving position are met. Meanwhile, the floor and the doorsill beam can extend, retract or increase or decrease structures with uniform sections to increase or decrease the size of the passenger compartment, and one or more rows of seat cross beams can be additionally arranged on the extended vehicle body to increase the riding positions.

The invention discloses an engine bracket front mounting structure, comprising an engine bracket front amounting assembly which is composed of a front mounting support, a reinforcing plate and an auxiliary frame connecting pipe by connection; wherein the engine bracket front mounting assembly is a small cavity, and the engine bracket front mounting assembly is welded with an engine cabin boundarybeam front section and an engine cabin boundary beam front part shell plate, so as to form a larger cavity. The invention has the following advantages: forming of parts is simple, welding quality is easy to control, error is less, and product consistency is good; the engine bracket front mounting assembly is welded with the engine cabin boundary bean front section and the engine cabin boundary beam front part shell plate, so as to form a larger cavity, and the gravity of an engine bracket is timely transferred on the engine cabin boundary beam front section, thus ensuring strength and rigidity of the engine bracket front mounting structure, effectively improving direct impact and side impact performances and avoiding the condition that the engine bracket is loosened due to twisting, braking, bumping or impacting of car body.

A center pillar outer, and a method of manufacturing a center pillar outer, may include an upper panel portion which forms an upper end portion of the center pillar outer, and a lower panel portion which forms a lower end portion of the center pillar outer. The upper and lower panel portions are molded using different methods. A lower end of the upper panel portion and an upper end of the lower panel portion are overlapped with each other, and the overlapping portions are coupled to each other, for example, through welding.

The invention discloses a side body structure on the rear portion of a vehicle body and a vehicle provided with the side body structure. The side body structure on the rear portion of the vehicle body comprises a side body rear inner plate assembly, a rear wheel cover outer plate and a reinforcing plate; the rear wheel cover outer plate is fixedly connected with the side body rear inner plate assembly; and the reinforcing plate is located on the outer sides of a side body rear inner plate and the rear wheel cover outer plate, and fixedly connected with the side body rear inner plate assembly and the rear wheel cover outer plate. The side body structure on the rear portion of the vehicle body has good strength and torsional rigidity, and thus the integral strength and the side collision resistant property of the rear portion of the vehicle body are improved.

The invention discloses an automobile central channel reinforcement structure. The reinforcement structure is arranged in an automobile central channel, the reinforcement structure comprises supporting parts and a supporting crossbeam, both ends of each supporting part are connected through the supporting crossbeam, so that a closed-loop frame structure is formed, and the position of the closed-loop frame structure on the automobile central channel is aligned with a seat crossbeam of an automobile. The bearing capability of the central channel is enhanced greatly, the automobile central channel can be effectively prevented from being deformed greatly in the process of side collision, collision impact load transferred from the seat crossbeam can be transferred to the non-impacted side of the automobile body to the max, so the side collision performance of the automobile is increased, and the side-impact safety of the body of the automobile is improved.

The invention discloses a threshold supporting plate capable of improving side impact performance, and relates to the field of automobiles. The threshold supporting plate comprises an automobile floor, wherein the edge of the automobile floor is provided with a threshold inner plate; after the threshold inner plate is welded with the automobile floor, and a seat front cross beam and a seat rear cross beam on the automobile floor, the threshold inner plate is welded with a threshold outer plate; a first U-shaped supporting plate and a second U-shaped supporting plate are arranged in a thresholdcavity formed by the threshold inner plate and the threshold outer plate; the first supporting plate is welded to the threshold outer plate, and the second supporting plate is welded to the thresholdinner plate; the first supporting plate and the second supporting plate both carry out centring with the seat front cross beam and the seat rear cross beam; the first supporting plate and the secondsupporting plate are subjected to centring to form a back-to-back structure form; and the center of the first supporting plate and the center of the second supporting plate are independently providedwith a gap for inserting a B pillar inner plate. By use of the threshold supporting plate, the problems that an existing supporting plate structure is complex, is too heavy and can not be universal orcertain supporting structures are too small and can not meet a five-star requirement in a C-NCAP (China-New Car Assessment Program) impact.

The invention provides a vehicle body floor assembly and a vehicle. The vehicle body floor assembly comprises a floor, a doorsill longitudinal beam and a floor longitudinal beam, wherein the doorsill longitudinal beam and the floor longitudinal beam are fixed to the floor. The connecting piece is fixed to the floor and located between the doorsill longitudinal beam and the floor longitudinal beam; wherein the doorsill longitudinal beam and the floor longitudinal beam are connected through the connecting piece. When side collision occurs, collision force is effectively transmitted to the floor longitudinal beam and the floor through the threshold longitudinal beam, the survival space of a driver and passengers is prevented from being excessively occupied, extrusion of side collision to the battery pack is reduced or avoided, and the side collision safety performance of the whole vehicle is improved.

The invention provides a reinforcing plate structure of an automobile column B, and belongs to the technical field of automobile body parts. The reinforcing plate structure comprises an upper reinforcing plate (1) and a lower reinforcing plate (2), the upper reinforcing plate (1) and the lower reinforcing plate (2) are set to be of a structure with a U-shaped section, and the lower end portion of the upper reinforcing plate (1) is connected with the upper end portion of the lower reinforcing plate (2) in a welding mode. According to the reinforcing plate structure, stress in the side impact process can be concentrated on the lap-jointpositionof the upper reinforcing plate and the lower reinforcing plate, therefore, the problem that the intrusion amount of the upper portion of the reinforcing plates is large in the side impact process is solved, the side impact performance of the reinforcing plates of the column B is improved, and the aim of reducing hurt to the human body by side impacts is achieved. Meanwhile, the reinforcing plate structure is simple in structure, low in cost and high in reliability.

The invention discloses a white vehicle body frame. An upper surface of a front floor assembly is flush with the upper surface of a rear floor assembly, a concave spare wheel cabin is arranged on themiddle rear portion of the front floor assembly, and an upper left longitudinal beam and an upper right longitudinal beam are fixed to the upper surface of the front floor assembly in a bilateral symmetry mode. The left upper longitudinal beam and the right upper longitudinal beam are respectively arranged corresponding to the front parts of a left beam and a right beam up and down; a cross beam group comprises a first cross beam, a second cross beam and a cross beam outward extending component which are fixed on the lower surface of the front floor assembly and also comprises a spare wheel cabin upper cross beam, a left seat front cross beam, a right seat front cross beam, a left seat rear cross beam and a right seat rear cross beam fixed to the upper surface of the front floor assembly,the outer side of the left beam and the outer side of the right beam are fixedly connected with a threshold inner plate body through cross beam outer extending assemblies respectively. According to the white vehicle body frame, a multi-force-transmission-path frame structure is formed, the collision force is effectively dispersed, the safety performance of a vehicle is improved, the height of thevehicle is reduced, and the wind resistance of the whole vehicle is improved.

The invention discloses a middle row seat mounting cross beam, and relates to the technical field of automobile manufacturing. The middle row seat mounting cross beam comprises a seat cross beam located between a rear floor front cross beam and a rear floor lower cross beam. The two ends of the seat cross beam respectively penetrate through rear longitudinal beams to be fixedly connected with threshold beams. A plurality of seat mounting supports are arranged on the seat cross beam. Compared with the prior art, according to the middle row seat mounting cross beam, a seat in the middle and seats on two sides are mounted on the seat mounting supports, middle-row seats can be mounted through just two parts, few types of tools for production are required correspondingly, and the production cost is low. The seat mounting supports are arranged on the seat cross beam, a cantilever structure is eliminated, and the rigidity of a seat mounting point is improved. When a vehicle body is subjectedto side collision, through the rear floor front cross beam, the rear floor lower cross beam and the seat cross beam for force transmission, a side collision force transmission path is increased, sideimpact bearing performance is improved, and meanwhile, the torsional rigidity is effectively improved.

The invention discloses a B-column reinforcing structure and a vehicle. The B-column reinforcing structure comprises a B-column reinforcing piece arranged between a B-column inner plate and a side wall outer plate, the tensile strength of the B-column reinforcing piece is larger than or equal to 1800 Mpa, and the ductility of the B-column reinforcing piece is larger than or equal to 5%; a transverse containing cavity is defined by the upper portion of the B column reinforcing piece and the B column inner plate, a tubular reinforcing piece is arranged in the transverse containing cavity, and the outer side wall of the tubular reinforcing piece is partially attached to and fixedly connected with the transverse containing cavity. And the lower end of the B-column reinforcing piece is fixedly connected with the aluminum alloy doorsill boundary beam. Under the condition that the weight is not increased, the side collision performance of a passenger compartment is improved, and the invasion amount of the passenger compartment during side collision is reduced.

The invention relates to a vehicle front floor structure, an aluminum alloy extrusion molding part and a vehicle. The vehicle front floor structure comprises a left doorsill, a right doorsill, and a plurality of cross beams arranged between the left doorsill and the right doorsill; the cross beams comprise at least two first-type cross beams which are arranged at intervals; the at least two first-type cross beams are aluminum alloy extrusion molded parts and are configured to have different cross section shapes; the deformation amount of the left doorsill and / or the right doorsill meets the set requirements when the vehicle is subjected to a side collision impact, and the set requirements comprise the step that a set distance is kept between the left doorsill and / or the right doorsill after deformation and a vehicle part suspended on at least a part of the cross beam. By applying the structure, the strength of the automobile body beam can be remarkably enhanced, the side collision performance of the vehicle is improved, various automobile parts installed on the lower portion of the vehicle body can be protected, and the safety performance of the vehicle is improved.

The invention discloses a motor vehicle chassis with an anti-collision device. The motor vehicle chassis comprises a tubular longitudinal beam, a piston cylinder, a piston, a piston mandril, a pressure relief tube, a piston cylinder end cover, an anti-collision rod and energy dissipation liquid, wherein one end of the piston cylinder is fixedly connected with the tubular longitudinal beam, and the other end is connected with the piston cylinder end cover; one end of the piston mandril is connected with the top of the piston, and the other end penetrates through the piston cylinder end cover to connect the anti-collision rod; the energy dissipation liquid is filled in the tubular longitudinal beam and the piston cylinder; the pressure relief tube is reserved on the piston cylinder; the piston is provided with at least one jet hole; the jet hole penetrates from the bottom of the piston to the top of the piston, so the tubular longitudinal beam is in a stretched state in an anti-collision process so as to prevent a passenger room from being extruded and deformed and prevent a steering column and a steering wheel from moving backwards to smash the heads and the chests of a passenger. Therefore, the security of a motor vehicle can be improved extremely.

The invention relates to a vehicle door threshold assembly and a vehicle. The vehicle door threshold assembly comprises a floor threshold and a side wall threshold which are connected with each other; a closed cavity is formed between the floor threshold and the side wall threshold; the floor threshold comprises a floor threshold front section, a floor threshold middle section and a floor threshold rear section which are connected in sequence; the side wall threshold comprises a front side wall threshold section, a middle side wall threshold section and a rear side wall threshold section which are connected in sequence; and the floor threshold middle section and the side wall threshold middle section have different lengths so as to be matched with vehicle types with different wheelbases. The invention also discloses a vehicle which includes the vehicle door threshold assembly. The problems that an existing threshold assembly is low in universality, high in production cost, low in production efficiency and complex in working procedure are solved.

The instrument panel cross beam is used for being connected with an automobile body, the instrument panel cross beam comprises a main beam, a supporting frame, a left end plate, a right end plate and a connecting frame, the main beam comprises a metal framework and a plastic part, the metal framework extends in the first direction, and the left end plate and the right end plate are located at the two ends of the metal framework correspondingly; the plastic part wraps one side of the metal framework, the plastic part, the left end plate, the right end plate and the supporting frame are integrally formed in an injection mode with the metal framework as an insert, the supporting frame extends in the second direction, the second direction is perpendicular to the first direction, the supporting frame is used for being connected with the middle channel, and the connecting frame is connected with the plastic part and used for being connected with a front wall and a steering column. The left end plate is connected with a left side wall, and the right end plate is connected with a right side wall. The instrument panel cross beam is supported and bears force through the metal framework, other structures are integrally formed in an injection molding mode with the metal framework as an insert, and meanwhile the requirements for rigidity and light weight of the instrument panel cross beam are met.