286results about How to "Improve crashworthiness" patented technology

A propeller shaft assembly (10) comprising a constant velocity universal joint (12) including a hollow shaft (20) and a connecting shaft (18) is provided. The hollow shaft (20) includes an aft open area (34) and is connected to an outer joint part (23) that has outer ball tracks (32). The connecting shaft (18) is connected to an inner joint part (25) that has inner ball tracks (46). A ball cage (26) that has a plurality of balls (28) is included. A standard plunge (22) that has an aft plunge portion (54) is also included. The aft plunge portion (54) and the aft open area (34) having inner diameters that are greater then or equal to an inner diameter D.sub.1 of the outer joint part (23). A first stop (55) limits the ball movement of travel in the aft direction. The first stop (55) is forcibly dispensable such that the connecting shaft (18) may release the first stop (55) and intrude significantly within the aft open area (34) which is outside a normal operating range (24).

A galvanized steel sheet has a composition containing, by mass %, C: 0.05% or more and 0.5% or less, Si: 0.01% or more and 2.5% or less, Mn: 0.5% or more and 3.5% or less, P: 0.003% or more and 0.100% or less, S: 0.02% or less, Al: 0.010% or more and 0.5% or less, B: 0.0002% or more and 0.005% or less, Ti: 0.05% or less, a relationship of Ti>4N being satisfied, and the balance comprising Fe and inevitable impurities, and a microstructure containing 60% or more and 95% or less of tempered martensite in terms of area ratio and 5% or more and 20% or less of retained austenite in terms of area ratio, or further containing 10% or less (including 0%) of ferrite in terms of area ratio and/or 10% or less (including 0%) of martensite in terms of area ratio, the tempered martensite having an average grain diameter of 5 μm or less.

The present invention provides a container, comprising: a cavity provided with a first opening portion; a pressure buffer area which is positioned above the cavity and the first opening portion and which is provided with a second opening portion corresponding to the first opening portion; and a thin film channel which extends through the first opening portion and the second opening portion and which has an inner channel wall and an outer channel wall, wherein the inner channel wall forms a passage for fluids with an inlet end and an outlet end, the inlet end being positioned outside the second opening portion of the pressure buffer area with a first opening and closing structure and the outlet end being positioned inside the cavity, and wherein the second opening portion is hermetically connected to the outer channel wall while the first opening portion is hermetically connected to the outer channel wall except for the area of at least one directing hole formed therebetween, such that a fluid under pressure flows back to the pressure buffer area through the directing hole.

A hybrid bumper beam for a vehicle includes a beam body formed of a resin group material, and a reinforcement injection molded with the beam body as one unit in a state the reinforcement is inserted in the beam body in a length direction of the beam body and opposing ends of the reinforcement are exposed to an outside of the beam body for fastening to stays, respectively.

A high-strength steel sheet having high strength and ability to absorb impact energy to a high degree is formed into a strengthening member for an vehicle, having both superior energy absorption efficiency and bonding properties. The high-strength member has a high-strength steel sheet having not less than 5000 MPa of gradient du/de of a stress-strain diagram in a range of 3 to 7% of true strain obtained in a tension test, and a steel sheet having 0.3 to 0.85 of tension strength ratio against tension strength of the high-strength steel sheet, the steel sheets bonded at their ends with space extending in a prescribed direction between the steel sheets, and a load is to be applied on the member from the prescribed direction when the member is acted upon.

Disclosed are an automobile front anti-collision beam structure and application thereof to automobiles. The automobile front anti-collision beam structure is composed of a main beam, an inner plate and an energy absorbing device, wherein the inner plate is fixedly connected to the main beam; the energy absorbing device is fixedly connected to the inner plate and at least composed of a bottom plate, a first conical tube, a second conical tube and a third conical tube; the bottom ends of the first conical tube, the second conical tube and the third conical tube are fixedly mounted onto the bottom plate, and the first conical tube, the second conical tube and the third conical tube are gradually nested from inside to outside; the heights of the three conical tubes are gradually reduced from inside to outside, the diameters of the bottom ends of the three conical tubes are gradually increased from inside to outside, the thicknesses of the three conical tubes are gradually increased from inside to outside, and the tapers of the three conical tubes are gradually increased from inside to outside. According to the automobile front anti-collision beam, when collision deformation occurs, crumple of a single stage gradually develops into simultaneous crumple of two stages and then into simultaneous crumple of three stages, plastic deformation can be gradually increased, a regular and stable deformation mode and significant buffer effects can be achieved, and energy absorption can be gradually increased. Therefore, the automobile front anti-collision beam can enhance structural stability and crashworthiness and meanwhile improve the collision angle adaptability.

The invention provides an elastic longitudinal beam and an automobile provided with the same and belongs to the technical field of automobiles. The problem that the length of the existing longitudinal beam of the automobile can not be changed along with the change of the automobile speed is solved. The elastic longitudinal beam comprises an outer longitudinal beam and an inner longitudinal beam, wherein the outer longitudinal beam is fixedly connected to an automobile body; the inner longitudinal beam is connected with the outer longitudinal beam; a driving mechanism and a locking mechanism are arranged between the inner longitudinal beam and the outer longitudinal beam; the driving mechanism can cause the inner longitudinal beam to longitudinally slide along the outer longitudinal beam; the locking mechanism can cause the inner longitudinal beam to be fixed relative to the outer longitudinal beam; and the automobile body is also provided with a control circuit respectively connected with the driving mechanism and the locking mechanism. The automobile provided with the elastic longitudinal beam comprises elastic longitudinal beams arranged on two sides of the automobile body, the front end of the inner longitudinal beam is provided with an anticollision beam, and an energy adsorption box is arranged between the anticollision beam and the automobile body. The anticollision capability of the automobile at a high driving speed can be improved, and the throughput capacity of the automobile during driving at a low speed can be improved.

There is provided a high-strength galvanized steel sheet including, on a mass percent basis, C: more than 0.060% and 0.13% or less, Si: 0.01% or more and 0.7% or less, Mn: 1.0% or more and 3.0% or less, P: 0.005% or more and 0.100% or less, S: 0.010% or less, sol.Al: 0.005% or more and 0.100% or less, N: 0.0100% or less, Nb: 0.005% or more and 0.10% or less, Ti: 0.03% or more and 0.15% or less, and the balance comprising Fe and incidental impurities, satisfying the relationship of (Nb/93+Ti*/48)/(C/12)>0.08 (wherein Ti*=Ti−(48/14)N−(48/32)S). The high-strength galvanized steel sheet has a structure including ferrite and martensite. The ferrite has an average grain diameter of 15 μm or less and an area percentage of 80% or more. The martensite has an area percentage of 1% or more and 15% or less.

The invention relates to the technical field of monitoring equipment, and discloses concealed monitoring equipment for a forest. The concealed monitoring equipment comprises a fixed plate; a protective frame is fixedly connected to the upper end of the fixed plate, and the inner wall of the bottom of the protective frame is rotationally connected with a rotary rod through a ball bearing; the upperend of the rotary rod is fixedly connected with a rotary plate, and the outer wall of the rotary rod is fixedly sleeved with a driven helical gear; the inner wall of the bottom of the protective frame is fixedly connected with a driving motor, and an output shaft of the driving motor is fixedly connected with a driving helical gear engaged with the driven helical gear; and the upper end of the rotary plate is fixedly connected with two clamping plates in a bilaterally symmetrical mode, a monitoring camera is rotationally connected between the opposite side walls of the two clamping plates, and a rotary motor is fixedly connected to the outer wall of the clamping plate located on the right side. According to the concealed monitoring equipment, the monitoring camera can be well protected, the monitoring equipment can be stably installed on the trunk of a tree, and the monitoring concealing performance is improved.

The invention discloses a protecting device for a sensor. The protecting device comprises a device main body, a moving door and an installing plate. The moving door is movably connected to one side ofthe device main body. The installing plate is fixedly connected to the other side of the device main body. A storing groove is fixedly connected to the internal bottom of the device main body. A connecting plate is fixedly connected to the bottom of the device main body. The bottom of the connecting plate is fixedly connected with a device base. A damping spring is fixedly connected to the bottomend of the connecting plate. A connecting rotating shaft is movably connected to one side of the device base. By means of the connecting rotating shaft, the flexibility of the device main body is improved, by means of a damping moving mechanism, convenience of the device main body is improved, by means of an adjustable fixing mechanism, the sensor can be fixed well, by means of an anti-collisionmechanism, safety of the device main body is improved, by means of a stable sucker, the stability of the device main body is improved, by means of a nameplate clamping groove, the working efficiency of related personnel is improved, the service life of the protecting device is prolonged by means of a buffering pad, and the protecting device is applicable to protection of the sensor, and has a widedevelopment prospect.

An automotive battery mounting structure may include a battery tray connected to one of a pair of front side members disposed on a lower side of an engine compartment, and a battery secured to the battery tray. A transmission mount and a leg bracket may be coupled to the front side member, and the battery tray may be coupled to the transmission mount and the leg bracket by a plurality of fasteners.

The invention discloses an automobile anti-collision system. The automobile anti-collision system comprises an energy absorbing box connected with an automobile anti-collision beam and a front longitudinal beam in the front-back direction. The energy absorbing box comprises a main body, pushing rods, first pressing plates, first springs, a second pressing plate, a connecting seat, connecting rods,a sliding rail, sliding blocks, second springs and pistons. First partition cavities are formed in the end, close to the anti-collision beam, of the main body in an up-down symmetry mode. The first pressing plates are mounted in the first partition cavities through the first springs. The anti-collision system further comprises a main control module, a sensor detection module, a radio frequency module, a GPS positioning module, a display module, a pre-warning module and an execution module. The automobile anti-collision system integrates an energy absorbing box passive anti-collision mechanismwith the high energy absorption rate and the good anti-collision effect and active anti-collision control, automobile collision can be effectively prevented, the loss caused by automobile collision can be reduced to a great extent, the anti-collision effect is remarkable, thus the travelling safety is ensured, and practicability is high.

The invention discloses a battery box with high efficiency protection, comprising the following steps: a sealing ring is arranged in the upper cover of the box body; when the upper cover of the box body and the lower case body are closed, the sealing ring is fitted between the inner surface of the upper cover of the box body and the outer surface of the lower case body; when the upper cover of thebox body and the lower case body are closed, the sealing ring is fitted between the inner surface of the upper cover and the outer surface of the lower case body. The panel of the lower box is a sandwich board structure composed of two carbon fiber boards and spider web sandwich. A BMS management system circuit board and a honeycomb-like battery mount rack are arranged in the cavity of the lowerbox body, and the honeycomb-like mount rack is fixedly connected with the lower box body through bolts; The honeycomb-like battery mounting bracket is made of aluminum material and has a hexagonal honeycomb structure. Each hexagonal honeycomb is provided with a cylindrical battery mounting hole. Between that hexagonal honeycomb and the cylindrical battery mount hole, a reinforcing rib is arrange;The ribs of the honeycomb battery mounting frame are filled with a warp knitted spacer fabric and a magnesium hydroxide flame retardant; The axial position of honeycomb-like battery mounting bracket coincides with the direction of travel of the vehicle.

The invention discloses a bidirectional anticollision structure of a sweeper side brush. The bidirectional anticollision structure comprises a side brush support rod of which the end part is provided with a side brush motor mounting seat, wherein a side brush motor is arranged on the side brush motor mounting seat; the output end of the side brush motor is connected with the side brush. The bidirectional anticollision structure is characterized in that a side brush movable rod is connected to the side brush motor mounting seat; the side brush movable rod is hinged to the side brush support rod; a front press claw and a rear press claw are also hinged to the side brush support rod; the side brush support rod is provided with a first pressure spring of which one end part is connected with the front press claw and enables the front press claw to have backward rotation trend and a second pressure spring of which one end part is connected with the rear press claw and enables the rear press claw to have forward rotation trend; the other ends of the first pressure spring and the second pressure spring are connected to the side brush support rod; a front section spacer bush and a middle section spacer bush are respectively arranged on the front press claw and the rear press claw; the front section spacer bush tightly leans on the side brush movable rod; the middle section spacer bush tightly leans on the side brush support rod. The bidirectional anticollision structure of the sweeper side brush has the characteristic that reliable avoiding performance can be realized during the advancing and reversing of a sweeper.

The invention relates to a split welding type car door anti-collision beam, which is fixedly connected with an inner plate of a car door by welding spots, rivets or bolts. The anti-collision beam consists of an anti-collision beam outer plate and an anti-collision beam cover plate, wherein the anti-collision beam outer plate is manufactured by a bending machining technology, the cross section of the anti-collision beam outer plate is U-shaped and comprises a flange, and the anti-collision beam cover plate is welded on the flange of the anti-collision beam outer plate. A sealed space formed by the anti-collision beam outer plate and the cover plate is filled with light porous material. The anti-collision beam outer plate is divided into four sections according to performance requirement, i.e. an outer plate left first section, an outer plate left second section, an outer plate right second section and an outer plate right first section respectively from left to right, the four sections are connected into a whole in the manner of laser split welding, and the material can be a high-strength steel plate, aluminum plate or magnesium plate. Compared with the prior art, the split welding type car door anti-collision beam can extremely reduce the deformation of the car door when a car is collided, can enhance the anti-pit performance of the car door, and is simple in structure, and high in reliability.

The invention provides an efficient vibration-damping layered porous composite board. The efficient vibration-damping layered porous composite board has a sandwich structure and comprises an upper panel, a layered porous interlayer and a lower panel; the upper panel and the lower panel are arranged as complex fiber layers and respectively have the sandwich structure composed of upper and lower aramid fiber paved layers and a middle aluminum fiber interlayer; intersected angles of fibers in the aramid fiber paved layers and the aluminum fiber interlayer are different from each other; the layered porous interlayer is arranged as a compound interlayer composed of upper and lower two-layer truss type porous cores and a middle hemispherical porous core. The invention provides a layered porous composite board with efficient vibration attenuation, high strength and excellent soundproof effect; the problems of inferior damping effect, low strength and low soundproof level of the traditional panels can be solved; the layered porous composite board can be applied to various fields, such as automobiles, aviation and architecture.

The invention discloses a car front safety anti-collision beam. The car front safety anti-collision beam comprises a body, a truss and an energy suction box fixedly connected with the truss, the trusscomprises a first trapezoidal body, a second trapezoidal body and a third trapezoidal body which are connected in sequence, the transverse dimension of the second trapezoidal body is gradually decreased from the inner side of the body to the outside, and the transverse dimension of the first trapezoidal body and the transverse dimension of the third trapezoidal body are gradually increased from the inner side of the body to the outside; and the first trapezoidal body, the second trapezoidal body and the third trapezoidal body are all connected with the body. The truss disperses local impact force into the three trapezoidal bodies in the mode that one of the first trapezoidal body, the second trapezoidal body and the third trapezoidal body extrudes the other two to generate displacement, and the impact force is transmitted to the whole body through the three trapezoidal bodies so as to avoid stress concentration. Meanwhile, according to the truss structure, the rigidity of the body canbe improved, and the anti-collision performance of the body is improved.

The present invention provides an anti-collision device. The anti-collision device comprises a casing body and one or more than one rubber block(s); wherein, the casing body comprises a bearing cap and one or more than one nested cylinder(s), the inside of which forms a hollow space; the rubber block(s) is/are hollow rubber block(s) and is/are filled in the hollow space. The present invention simultaneously discloses a manufacturing method of the rubber block used in the anti-collision device. Because the present invention adopts a damping structure with one or more than one nested cylinder(s) and the rubber ball(s) is/are filled in the structure, the anti-collision device has excellent anti-collision performance, and the rubber ball(s) filled in the anti-collision device can be replaced, which ensures the performance of the anti-collision device and simultaneously saves the costs.