12624 results about "Vehicle frame" patented technology

The invention provides a multi-dimensional supporting leg structure for lightweight steel ring splicing equipment, and relates to the field of tunnel engineering. The mounting base is fixedly connected with the frame, the telescopic driving mechanism is arranged between the mounting base and the supporting leg assembly, the angle adjusting mechanism is arranged between the cylinder barrel and the mounting base, and the self-locking mechanism is used for locking the cylinder barrel and the piston rod when the driving unit fails. The telescopic driving mechanism is composed of a cylinder barrel, a piston rod and a driving unit, the angle adjusting mechanism is driven through a first rotating shaft and a second rotating shaft which are perpendicular to each other and corresponding rotation, so that the cylinder barrel achieves double-shaft swing adjustment, the self-locking mechanism is composed of a locking rack, a movable tooth claw, a reset spring, an electromagnet and a permanent magnet, and power-on unlocking and power-off self-locking are achieved. According to the structure, the supporting polygon is obviously enlarged under the complex basic condition, the anti-overturning stability of equipment is improved, reliable supporting is kept when a hydraulic system fails, and the safety and adaptability of steel ring splicing operation in a tunnel are improved.

The invention discloses a multi-modal data driven commercial vehicle frame performance prediction method and system. The method comprises the following steps: uniformly coding design variables of a frame; constructing a multi-modal performance response data set based on finite element simulation and test results of mass production vehicle models, and realizing fusion of simulation and test data by adopting a maximum mean difference and related alignment algorithm; constructing a graph perception Transform multi-task prediction model fusing the structure topology and the physical position features, and predicting key performance indexes of the frame under a plurality of typical working conditions; through weighted multi-task loss function joint training, an uncertainty mechanism is introduced to dynamically adjust task weights; and after training is completed, deploying to an inference engine to realize second-level prediction and support increment fine adjustment updating. According to the method, repeated modeling and solving processes are avoided, the frame performance prediction efficiency and the adaptive capacity are remarkably improved, and the method is suitable for rapid evaluation of the frame performance of commercial vehicles of various structural configurations and material types.

The invention discloses a frame manufacturing method and a frame, relates to the technical field of frame production, and aims to solve the problem that a welding seam at the splicing position of an existing motorcycle frame is obvious. According to the technical scheme, the method is characterized by comprising the following steps that S1, a metal plate is provided as a raw material, and a frame blank is formed through cutting; s2, the frame blank is placed in a stretching die on a hydraulic machine to be subjected to pressure forming, deformation of the frame blank is controlled through a cavity of the stretching die, and a continuous streamline curved surface is formed on a frame body; and S3, laser cutting is carried out on the frame body based on artificial intelligence. The method comprises the following sub-steps that S3.1, actual three-dimensional point cloud data of the surface of the stretched and formed frame body are obtained through an optical scanning system. According to the method, dense welding seams of traditional multi-section splicing are thoroughly eliminated through the integrated streamline forming technology, intelligent prediction and self-adaptive correction are conducted on material springback and thermal deformation in combination with the AI dynamic compensation cutting technology, and precise adaptation of the frame contour and the motor interface is achieved.

A chassis frame welding apparatus with a turning-over function comprises a welding device (1), a support frame (2), and two rotating supporting apparatuses, wherein the support frame is located between the two rotating supporting apparatuses; the welding device is disposed adjacent to the support frame; and each rotating supporting apparatus comprises a lifting device (4), a rotating device (5) and a clamping device (6), the rotating device comprising a rotating shaft (51), a one-way bearing (52), a first gear (53), and a first toothed plate (10). The chassis frame welding apparatus is provided with the one-way bearing and the first gear, which fits with the first toothed plate, and during the process in which the lifting device is used to lift by means of the rotating device and the clamping device a workpiece to be separated from the support frame, the first gear interacts with the first toothed plate, and the rotating shaft is then driven by means of the one-way bearing to rotate by 180 degrees; thus, the spacing between the workpiece and the support frame is adjusted by means of the lifting device, and the turning over of the workpiece under driving is completed, without providing a plurality of driving systems, thereby simplifying a turning-over supporting apparatus.

The invention discloses a positioning and clamping fixture for automobile frame welding, and relates to the technical field of automobile manufacturing equipment.The positioning and clamping fixture comprises a workbench, a welding angle adjusting mechanism is arranged at the top of the workbench, and a thermal deformation dynamic compensation positioning and clamping mechanism is arranged at the top of the welding angle adjusting mechanism; a PLC is installed on the top of the workbench. According to the positioning and clamping fixture for automobile frame welding, through the arrangement of the thermal deformation dynamic compensation positioning and clamping mechanism, position deviation caused by thermal deformation is corrected in real time, out-of-tolerance of the size precision of a frame welding part is avoided, subsequent correction processing links are reduced, the production cost is reduced, and the problems that an existing fixture adopts a fixed rigid clamping and positioning structure, and the machining efficiency is high are solved. The problems that position deviation caused by thermal deformation cannot be corrected in real time, the size precision of a frame welding part is out of tolerance, additional correction machining is needed in the follow-up assembling process, and the production cost is increased are solved.

The invention provides a finite element analysis method for a competition-level site cross-country motorcycle frame, and belongs to the technical field of crossing of computer-aided engineering and vehicle structure design. The method comprises the following steps: performing parametric modeling on a frame main bearing structure based on CATIA software, and simplifying non-functional characteristics; importing the model into ANSYS Workbench, generating a high-precision finite element model by adopting a grid division strategy of mixing tetrahedron and hexahedron units, and considering the calculation efficiency and precision; defining material characteristics; a limit load working condition is simulated through statics analysis, a displacement cloud picture and a stress cloud picture are combined to be compared with the yield strength of a material, and topological optimization is conducted on a weak area; meanwhile, the inherent frequency of the frame is extracted through modal analysis, and the resonance risk is avoided. According to the method, statics analysis and modal analysis are carried out on the frame through cross-platform co-simulation, the structural reliability is evaluated, and the method is suitable for efficient development and performance optimization of competition-level cross-country motorcycle frames.

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.

The invention relates to a battery pack arrangement (40) for a vehicle (10) comprising a battery pack (43, 47, 49) having a first battery module (64) with a first set of battery cells (84), a second battery module (67) with a second set of battery cells (87), and a thermal management member (70) arranged there between, wherein the first battery module and the second battery module are arranged on opposite sides (72, 74) of the thermal management member (70), the thermal management member having a first thermally conductive surface (73) for regulating a temperature of the first battery module and a second thermally conductive surface (75) for regulating a temperature of the second battery module, wherein the battery pack arrangement further comprises a suspension attachment (80) configured to attach the battery pack arrangement in a generally vertical orientation to a vehicle frame (20) of the vehicle.

A battery suspension arrangement, comprising a first elongated battery support structure comprising a battery support surface, a first elongated member comprising a first end and a second end, and a second elongated member comprising a first end and a second end, wherein the battery suspension system comprises a pivot joint at which the first end of the second elongated member is pivotably connected to the second portion of the first elongated battery support structure.

There is described a frame mounted bicycle accessory comprising: a collapsible receptacle; an interior stiffener of rigid material situated within the receptacle; a mounting block secured to the stiffener and having a contact portion situated externally of the receptacle for contact with a frame member of a bicycle; and a strap provided on the mounting block and adapted to extend around the frame member to secure the accessory to the frame member. There is also described a kit of parts for assembly to form a frame mounted bicycle accessory.

A frame module and a modular frame of an electric vehicle extend along a longitudinal direction. The frame module has a longitudinally extending central partition wall, a front wall and a rear wall, a battery storage structure having first and second battery storage compartments provided on opposite sides of the central partition wall, each battery storage compartment being configured to receive at least one battery module and being delimited by the central partition wall and longitudinally extending first and second side walls of the frame module, respectively. The first and second side walls are releasably mounted to the battery storage structure to enable opening of the first and second battery storage compartments, respectively.

The invention belongs to the technical field of pavement repairing, and discloses a material mixing and grouting integrated cement concrete pavement repairing device which comprises a frame, an adjusting assembly is arranged on the front face of the frame, a vibration assembly is arranged at the bottom of the adjusting assembly, and the vibration assembly comprises a fixing rod. According to the device, through cooperation of structures such as the vibration assembly and the supporting wheels, a knocking hammer of the vibration assembly is driven to knock a grouting area range in the moving process, mortar air injected into the device can be discharged through knocking vibration, and the device is convenient to use. According to the mortar filling device, mortar can permeate into gaps, filling uniformity is guaranteed, the vibration effect can be achieved through knocking, air of the mortar can be effectively emptied, meanwhile, the mortar can be prevented from overflowing, the flatness of the surface after the gaps are filled with the mortar can be guaranteed, and meanwhile grouting uniformity can be guaranteed.

The invention relates to the technical field of industrial wastewater sampling and discloses an industrial wastewater sampling system.The industrial wastewater sampling system comprises a frame, a connecting frame, a hydraulic cylinder and a rectangular plate, the connecting frame is located in the frame and slidably arranged in parallel, and the bottom of the hydraulic cylinder and the right side of the interior of the connecting frame are fixedly mounted; the upper surface of the rectangular plate and one end of an output shaft of a hydraulic cylinder are fixedly mounted, and a trigger sampling mechanism is arranged in the rectangular plate. According to the industrial wastewater sampling system, when a trigger rod is in contact with the bottom of a canal, a connecting spring and a telescopic rod in a power rebound mechanism are compressed, a third rack is driven to move upwards, a valve switch control mechanism is linked, a first butterfly valve and a second butterfly valve are synchronously closed, and a sampling barrel is sealed; it is ensured that the water sample is captured at the moment when the sampler is stabilized at the target depth and bottom mud is not stirred, and therefore index distortion of suspended solids and adsorptive heavy metal is effectively avoided, and the authenticity of the sample and the accuracy of detection data are improved.

All-terrain vehicle systems and methods configured for attachable tools and implements are disclosed. An example embodiment includes: an All-Terrain Vehicle (ATV) frame configured with a void; a modular Power Take-Off (PTO) system removably installable in the ATV frame in the void; and a cargo bed removably installable at a rear portion of the ATV frame.

A cart capable of being folded without elevating a cart frame and provided with connecting poles. A cart frame having four vertical poles, vertical folding frames located at front and rear ends and hinged to the vertical poles, a plurality of pairs of bottom folding frames and horizontal folding frames hinged to the vertical poles, and a plurality of connecting poles located on two sides, and adjacent horizontal folding frames and bottom folding frames are hinged to the connecting poles. Fixing blocks are mounted at top ends of the vertical poles and top ends of the connecting poles, movable sliders are arranged on the vertical poles and the connecting poles, and lower ends of outer sides of the horizontal folding frames and the vertical folding frames are hinged to the sliders.

A folding cart comprises a foldable frame, which comprises an upper folding frame, a lower folding frame, and a supporting rod assembly arranged between the upper and lower folding frames. An intermediate upright rod is used as a core support body, and a front sliding upright rod and a rear sliding upright rod slide along a front lower rod and a rear lower rod to form a dynamic triangular support structure when unfolded, so that sliding ends of the front sliding upright rod and the rear sliding upright rod automatically slide into predetermined positions to form a stable mechanical support system when the cart is fully expanded. A sliding installation method is used to achieve linkage retraction of the supporting rod assembly during folding, which avoids multi-node operational complexity of traditional fixed triangular support structure, thereby significantly simplifying folding and expanding motions under the premise of high load-bearing capacity.

A derailleur hanger includes a first portion, a second portion, a third portion and a pin. The first portion includes an axle receiving bore for receiving a hub axle. The second portion includes a derailleur support surface for supporting a derailleur. The third portion includes a first surface facing in a first direction, a second surface facing in a second direction opposite the first direction, and a third surface facing in the first direction. The pin includes a first part coupled to the third portion, a second part projecting in the first direction from the third surface to be received in a pin receiving portion of a bicycle frame, and a frangible part disposed between the first part and the second part. The frangible part breaks relative to the first part and the second part upon application of a predetermined force or higher to the pin.

A portable folding pulling cart includes a pulling cart frame. The pulling cart frame includes a folding frame and a wheel mechanism configured to be mounted on the folding frame. The folding frame includes two first scissor mechanisms arranged at intervals in a left-and-right direction and two second scissor mechanisms arranged at intervals in a front-and-rear direction. Each of the two first scissor mechanisms includes at least two first scissor units, and each of the two second scissor mechanisms includes at least one second scissor unit. An upper part of one of connecting rods of adjacent two first scissor units is bent. The upper ends of the adjacent two first scissor units are respectively pivotally connected to two upper pivoting points, and the lower ends of the adjacent two first scissor units of the at least two first scissor units are respectively pivotally connected to two lower pivoting points.

The utility model discloses a fuel cell tractor, and relates to the technical field of vehicles. The fuel cell tractor comprises a frame, a cab and a hydrogen cylinder, the cab and the hydrogen cylinder are arranged above the frame, the hydrogen cylinder is arranged behind the cab, a driving system, a fuel cell engine and a power cell module are arranged at the bottom of the frame, the fuel cell engine, the power cell module and the driving system are electrically connected in sequence, and the hydrogen cylinder transmits hydrogen to the fuel cell engine. The fuel cell engine converts hydrogen into electric energy and transmits the electric energy to the power cell module, the power cell module transmits the electric energy to the driving system, a fuel cell cooling system is arranged above the hydrogen bottle, and the fuel cell cooling system dissipates heat of the fuel cell engine. The chassis layout of the fuel cell tractor can be simplified.

Disclosed are a chassis, a vehicle body structure, and a vehicle. The chassis comprises a frame (100), a power battery (200), and a water tank assembly (400). The frame comprises a front frame section (110), a middle frame section (120), and a rear frame section (130). The power battery and the water tank assembly are arranged side by side on the middle frame section, so that the center of gravity of the chassis shifts toward the center of the chassis, thereby improving the stability of the chassis and reducing the space occupation of the front frame section and the rear frame section, making the structure of the chassis more compact, and thus increasing the space utilization rate of the chassis.

The utility model discloses an assembly line carrier stress relieving device which comprises a stress rod hinged to the front end of a walking frame in a carrier and a tail rod arranged at the rear end of the carrier, the lower end of the stress rod obliquely stretches out towards the rear lower portion of the carrier, and the lower end of the stress rod serves as a stress part for receiving power for pushing the carrier to advance. The tail rod extends towards the rear side of the walking frame, the tail rod on the front side carrier is used for acting on the stress rod on the rear side carrier, so that the lower end of the stress rod swings between the stress position and the disengaging position, and the disengaging position is higher than the stress position. The upper ends of the stress rods obliquely stretch out towards the upper front portion of the walking frame, a limiting structure is formed at the front end of the frame and used for limiting the stress rods so that the lower ends of the stress rods can be located at stress positions, and the tail rod is used for acting on the upper ends of the stress rods on the rear side carrier. The lower end of the stress rod swings between a stress position and a release position; the width of the tail rod is larger than that of the upper end of the stress rod.

An electric vehicle includes a frame, at least one front wheel and at least one rear wheel coupled to the frame, one or more pedals coupled to the frame and configured for a user's engagement via pedaling, and a controller configured to output one or more driving signals in response to the pedaling of the one or more pedals. The electric vehicle also includes a first motor coupled to and configured to drive one of the front and rear wheels, and a first driver coupled with the first motor and configured to adjust the output to the first motor in response to the one or more driving signals.

The embodiment of the invention provides a station assembling trolley. The station assembling trolley comprises a wheel rail walking device, a frame, a side wall mounting device, a longitudinal beam mounting device and a top plate mounting device. Wherein the wheel rail walking device is arranged at the bottom of the frame and can walk along a track on a platform bottom plate; the side wall mounting device is arranged on the frame and is used for fixing side wall blocks and driving the side wall blocks to move to a side wall mounting position for splicing; the longitudinal beam mounting device is arranged on the frame and is used for fixing a longitudinal beam and moving the longitudinal beam to a target position for splicing; the top plate mounting device is arranged on the frame and used for bearing a top plate and moving the top plate to a target position to be spliced. The station assembling trolley provided by the embodiment of the invention is suitable for the scene of laying temporary steel beams above the station, the trolley is used for carrying and assembling the side wall blocks, the longitudinal beams and the top plate, and the station assembling trolley has high construction efficiency.

Land vehicles are disclosed. A land vehicle includes a chassis, a plurality of wheels, a first powertrain unit, and a second powertrain unit. The chassis includes a front suspension subframe assembly and a rear suspension subframe assembly spaced from the front suspension subframe assembly in a longitudinal direction. The plurality of wheels includes a pair of front wheels supported by the front suspension subframe assembly and a pair of rear wheels supported by the rear suspension subframe assembly. The first powertrain unit is supported by the front suspension subframe assembly and coupled to the pair of front wheels. The second powertrain unit is supported by the rear suspension subframe assembly and coupled to the pair of rear wheels.

The utility model discloses an aerial football unmanned aerial vehicle frame, which relates to the technical field of unmanned aerial vehicles and comprises an outer ring, at least four support rods, an upper clamping plate and a lower clamping plate. The four supporting rods are distributed in a cross shape in the inner circle of the outer ring, one ends of the four supporting rods are fixedly connected with the outer ring, and the other ends are in butt joint in the center of the outer ring. The upper clamping and fixing plate and the lower clamping and fixing plate are located at the upper end and the lower end of the butt joint position of the four supporting rods respectively, clamping and fixing edges parallel to the four supporting rods are arranged on the upper clamping and fixing plate and the lower clamping and fixing plate respectively, the upper clamping and fixing edge and the lower clamping and fixing edge are fixedly connected through bolts, the supporting rod in the middle is fixed, and a stable connection relation is established among the four supporting rods; wherein the outer ring, the supporting rods, the upper clamping plate and the lower clamping plate are all made of carbon fiber materials, energy consumption during flight can be reduced, steering agility is improved, the strength, rigidity, connection strength and stability are extremely high, the structure of the football of the unmanned aerial vehicle is kept stable during fierce collision, and the requirement of a high-strength match is met.

A subframe mount of a front subframe comprising a vehicle frame. The subframe mount comprises a main body configured to receive a securing feature of a frame body of the vehicle frame. The subframe mount also comprises an open-ended slot configured to enable translation of the securing feature independent of the subframe mount in response to an impact event.

The utility model relates to an automatic fertilizing gun, relates to the technical field of fertilizers, and is used for solving the problems that a fertilizing gun on a fertilizing vehicle in the prior art is vertically downwards inserted into soil for fertilizing, the fertilizing angle of a fertilizing gun body cannot be adjusted, and the fertilizing gun is difficult to adapt to a complex slope cropland environment. Comprising an adjusting frame, an angle adjusting piece and a fertilizing gun assembly, and the adjusting frame is hinged to the bottom of a frame of the tumbril; the angle adjusting part is used for adjusting the angle between the adjusting frame and the frame; the fertilization gun assembly is mounted on the adjusting frame, and crops are fertilized through the fertilization gun assembly.

A transportation device is disclosed. One aspect includes a rear assembly that further includes a rear frame, and a first rear wheel and a second rear wheel mounted to the rear frame. The rear assembly may also include a first electric motor and a second electric motor mechanically connected to the first rear wheel and the second rear wheel respectively, and an electrical power source comprising a battery, configured to power the first electric motor and the second electric motor. The transportation device may also include a front assembly that includes a saddle and a front wheel connected to the saddle via a wheel hub and a fork. An aspect includes an elastomeric torsional element connecting the front assembly and the rear assembly.