95results about How to "Light in mass" patented technology

This invention relates to a method for anonymizing motion data of traffic participants (1,2) equipped with positioning devices, the traffic participants having communication means for transmitting and receiving data with a backend server (3) and for other traffic participants (2,1). The method is characterized in that motion data is collected in the form of separate time-related and location-related data sets and transmitted to the backend server (3), wherein the transmission of at least a portion of the data sets is indirectly carried out via at least one other vehicle (1,2), and / or, the location associations and / or time associations in at least a portion of the data sets are noise-enhanced prior to transmission.

The utility model provides a kind of high-temperature-resistant long-life ball bearing retainer, it is related to bearing retainer technical field, and it includes: hold frame body;The retainer body is annular structure, and ball hole is arranged in annular array shape on the inner wall of retainer body;Annular array shape is arranged in the through hole of the outer wall of retainer body, and the through hole is circular hole structure, and the through hole arranged in annular array shape is jointly composed of the heat dissipation structure of retainer body.Utilize nickel-based alloy high melting point (1300 DEG C above) and strong oxidation resistance, so that retainer is not easy to heat softening or oxidation corrosion failure under high temperature working condition (such as industrial kiln, aeroengine), directly prolongs the service life under high temperature environment;Through type circular through hole forms three-dimensional heat dissipation channel, cooperates the forced convection of lubricating medium (oil / gas), and internal heat is quickly taken away.For example in high-speed motor, airflow passes through through hole can make retainer temperature reduce 20%~30%, avoid local overheating to cause material failure.

This invention discloses an evaporator for an adsorption refrigeration machine and the adsorption refrigeration machine itself, comprising: a cooling medium inlet and a cooling medium outlet; a liquid refrigerant inlet and a gaseous refrigerant outlet; at least one cooling medium flow plate for supplying cooling medium flow, each cooling medium flow plate being connected to both the cooling medium inlet and the cooling medium outlet; and at least one refrigerant flow plate for supplying refrigerant flow, each refrigerant flow plate being connected to both the liquid refrigerant inlet and the gaseous refrigerant outlet. The refrigerant flow plates and cooling medium flow plates are alternately stacked. This evaporator is a plate evaporator. By alternately stacking the cooling medium flow plates and refrigerant flow plates, plate cavities are formed between any adjacent cooling medium flow plates and refrigerant flow plates, creating alternating cooling medium flow spaces and refrigerant flow spaces. This achieves interactive heat exchange between the refrigerant and the cooling medium, resulting in a cooling effect. It has a high heat transfer coefficient, low thermal resistance, and high evaporation efficiency.

This invention discloses a dual-component thrust attitude control engine, comprising a mounting plate, a swirling mixer, an igniter, and a combustion chamber nozzle. The mounting plate contains two isolated gas chambers, each with an intake pipe connected to its inlet and an on / off controllable solenoid valve at its outlet. The two inlets of the swirling mixture are connected to the outlets of the two gas chambers, and the outlet of the swirling mixer is connected to the inlet of the combustion chamber nozzle. The swirling mixer is used to swirl and mix the gas input into it before outputting it. The igniter is used to ignite the mixed gas input into the combustion chamber nozzle. The combustion chamber nozzle is used to supply the combusted mixed gas for combustion output. This configuration solves the problem that existing technologies cannot simultaneously achieve compact structure, high mixing efficiency, and excellent thermal management performance.

The utility model relates to the technical field of automobile seat, especially a kind of automobile rear seat cushion frame, it is convenient for passenger to adjust cushion angle, improve passenger comfort, and simple structure is lighter in quality, it is convenient to install and produce, simultaneously reduce vehicle weight, in addition, there are also reserved hole and mounting bracket on cushion welding assembly, it is convenient to fix the bottom of cushion when installing cushion, improve cushion installation convenience, in turn improve production efficiency;Including cushion welding assembly;Still including supporting mechanism and adjusting mechanism, supporting mechanism and adjusting mechanism are all installed on cushion welding assembly;The supporting mechanism cooperates cushion welding assembly and supports passenger, and adjusting mechanism adjusts the angle of cushion welding assembly.

The utility model belongs to the non - woven fabric production technical field especially is a kind of non - woven fabric production is with the feeding leveling anti - wrinkle device, including the feeding frame of non - woven fabric feeding use, two guide rollers are rotatably connected on the front and rear side inner wall of feeding frame, the support plate is fixedly connected on the front and rear side inner wall of feeding frame, the tensioning mechanism is provided on the support plate, the front side fixed connection of feeding frame has the cover, dust suction heating mechanism is arranged between cover and feeding frame. The utility model structure design is reasonable, can first non - woven fabric upper and lower surface dust and lint and other impurities are cleaned, avoid under hot pressing dust and lint to be pressed into non - woven fabric and reduce non - woven fabric quality, through hot pressing and two spin direction opposite open width, non - woven fabric can be pulled left and right and pulled before and after, avoid non - woven fabric to wrinkle, guarantee the flatness when non - woven fabric feeding, make anti - wrinkle effect better.

This invention relates to the field of organic waste gas recovery and resource utilization technology, and particularly to a low-volume methane / VOCs co-recovery system, method, and application in oil and gas development processes. The system includes a waste gas generating device, a waste gas collecting device, a waste gas conveying device, and an adsorption storage device connected in sequence. The adsorption storage device is filled with layered adsorption materials, which include a layered adsorption layer of heavy components, a layer of intermediate components, a layer of light components, and a protective bed, stacked sequentially. This invention, based on the adsorption storage concept and utilizing the inherent potential energy of the oil and gas development process, achieves efficient recovery of methane / VOCs from intermittent emission sources, reducing greenhouse gas methane and VOCs emissions and improving oil and gas product yields.

The application discloses a movable membrane-shaped metamaterial sound barrier, which comprises a thin film noise reduction unit and a structure fixing unit for arranging and fixing the thin film noise reduction unit, wherein the thin film noise reduction unit comprises a microporous membrane, a first cavity, a first sound insulation layer, a second cavity and a second sound insulation layer arranged along the sound wave propagation direction, and the microporous membrane is provided with a plurality of micropores for absorbing sound waves; when sound waves enter the first cavity through the microporous membrane, the micropores and the first cavity are used for preliminary noise reduction to reduce reflected sound generated by the sound waves; the sound energy of the transmitted sound waves is reduced through the first sound insulation layer and the second sound insulation layer; and the sound energy of the transmitted sound waves is further reduced through the second cavity. The application further provides an installation method. The sound barrier provided by the application is convenient to disassemble and assemble and has the effects of sound insulation and sound absorption, so that the noise pollution of construction equipment in a construction site can be effectively reduced.

This utility model belongs to the field of fuel cells, specifically relating to a hydrogen subsystem for a hydrogen fuel cell. It includes a hydrogen inlet pipeline, a proportional valve or hydrogen injector, a fuel cell stack, a vortex tube, a gas-water separator, and a hydrogen circulation device. The hydrogen inlet pipeline is sequentially connected to the proportional valve or hydrogen injector and the fuel cell stack. The hydrogen outlet of the fuel cell stack is connected to the vortex tube. The vortex tube has two outlets, one connected to the gas-water separator and the other connected to the hydrogen circulation device. The gas outlet of the gas-water separator is connected to the hydrogen circulation device. The hydrogen circulation device is connected to the hydrogen inlet of the fuel cell stack. In this utility model, the cooling effect of the vortex tube allows the liquid water in the returning hydrogen to condense rapidly, generating more liquid water and achieving better liquid water separation.

The utility model discloses a tool for gate valve leakproofness test, including the first vertical rod and the second vertical rod of symmetrical interval arrangement, set up in the upper portion of first vertical rod and second vertical rod's simulation vacuum board, set up in the lower portion of first vertical rod and second vertical rod's control box, one side of simulation vacuum board is provided with simulation vacuum cavity and sealing groove, the other side of simulation vacuum board is provided with flange pipe, simulation vacuum board is provided with simulation hole, simulation hole with simulation vacuum cavity and flange pipe intercommunication, the tool of the utility model can simulate actual vacuum cavity through simulation vacuum cavity, improve test result accuracy, and through first vertical rod and second vertical rod to support simulation vacuum board, and set up control box to place controller, can protect the controller, and can integral handling, and test is more convenient.

This invention relates to the field of motorsports technology, and more particularly to a transmission system for an off-road rally car and a race car equipped with the transmission system. The system includes a frame and a transmission system mounted on the frame. Wheels are mounted on the frame via a suspension system. The transmission system includes a gearbox mounted at the rear of the frame and a differential mounted at the front of the frame; the gearbox and the differential are connected by a first driveshaft positioned at the front and rear. The suspension system includes front steering knuckles located inside the two front wheels, both of which are fixed to the front side of the frame via upper and lower double wishbone suspensions. This off-road rally car has advantages such as lighter weight, more compact structure, better handling, superior passability, and higher safety. The lighter vehicle has sufficient power performance, and its low self-friction resistance during travel improves its ability to traverse uneven roads, reducing the risk of rollover and thus improving race performance.

This application relates to the field of water conservancy engineering technology and discloses a concrete mixing and conveying device for water conservancy projects, including a ground surface, a conveying component, a concrete mixing mechanism, a concrete storage mechanism, a tower crane body, and a hoisting hopper. The concrete mixing mechanism includes a concrete mixing tower fixedly connected to the ground surface. This concrete mixing and conveying device for water conservancy projects uses the conveying component to transport concrete to the concrete mixing mechanism for mixing. The concrete mixed by the concrete mixing mechanism can be conveyed to the concrete storage mechanism. Through the cooperation of the discharge channel, a third servo motor, and a discharge auger, the mixed concrete can be transferred to the hoisting hopper. Then, the tower crane body transports the concrete to the construction site. Furthermore, the concrete storage mechanism ensures the continuity of concrete mixing by the concrete mixing mechanism, guaranteeing its continuous operation.

This invention relates to a prefabricated steel structure staircase and its assembly method, specifically within the technical field of prefabricated steel structure staircases. The invention addresses the problems of existing steel structure staircases, which require on-site welding, resulting in low construction efficiency, high labor costs, and cumbersome transportation due to their long length, necessitating the use of large hoisting equipment and incurring high operating costs. The invention comprises multi-layered stair column assemblies and multi-layered staircase assemblies. The multi-layered stair column assemblies are arranged sequentially from bottom to top along the outer end of the frame assembly. The stair column assemblies are fixed to the outer end of the frame assembly via TU snap-fit ​​nodes. Each layer of stair column assemblies is fixedly connected to one layer of staircase assembly. Each layer of staircase assembly includes a landing assembly, a lower stair flight assembly, and an upper stair flight assembly. The landing assembly is connected to the stair column assembly via TB or UT nodes. This invention is used for building connections.

The utility model discloses a kind of lightweight double-sided circuit boards, it is related to double-sided circuit board technical field, including first circuit board and second circuit board, fixedly connected with partition plate between first circuit board and second circuit board, four corners of the upper surface of partition plate are all fixedly installed with first locating block, first locating block is located four corners of first circuit board, the lower surface of partition plate is fixedly installed with vertical plate, vertical plate is fixedly connected with second circuit board, the utility model is distinguished first circuit board and second circuit board by setting partition plate, the upper surface of first circuit board is provided with first locating block to determine the position of first circuit board, lower surface is provided with vertical plate to determine the position of second circuit board, the overall state of being hollow can speed up the discharge rate of heat, and entire structure is compared to traditional whole plate body, with smaller volume and lighter quality effect, more lightweight.

The utility model discloses a kind of anti-clogging spiral type pulverizers, mainly applied to the technical field of pulverizer, including including bearing seat, centrifugal fan, cyclone separator, motor, upper box, lower box, feed hopper, pulverizing knife group, auger, discharge port, the upper box, lower box rotation is connected, the upper box front end has feed hopper, the lower box top has bearing seat, the bearing seat is installed with pulverizing knife group, there is screen under the pulverizing knife group, there is auger under the screen, the auger is rotationally connected with lower box, the auger shaft end has centrifugal fan, the centrifugal fan is communicated with cyclone separator by pipeline, the bottom of cyclone separator is discharge port, the pulverizing knife group, auger are driven by motor. Application the utility model of a kind of anti-clogging spiral type pulverizer, structure design scientific and reasonable, manufacturing cost is low, it is not easy to accumulate under screen after the material of pulverization, anti-clogging effect is better, and the quality of pulverization is high, and the pulverization efficiency is high.

This invention discloses a locking and release device for a 4D-printed small satellite based on SMA (Super-Magnetic Atomizing) technology, belonging to the fields of aerospace and biomimetic 4D printing technology. The device consists of a main supporting shell 1, a launch platform 2, an auxiliary drive device 3, a locking lever 4, a locking and release spring assembly 5, and an energy storage spring assembly 6. The auxiliary drive device 3 controls the downward movement of the locking mechanism through temperature changes of the inner and outer springs, thereby compressing the energy storage spring assembly 6 and heating it to achieve autonomous energy storage. The launch platform 2 supports the satellite at its upper end and is tightly connected to the energy storage springs at its lower end. The locking and release spring assembly 5 is used to lock the satellite and drive its release. In summary, this invention provides a locking and release device for a 4D-printed small satellite based on SMA, making the failure modes of the satellite launch device effectively controllable and improving the device's adaptability to the extreme environment of space.

The utility model belongs to the field of wind bell curtain wall, concretely relates to a wind bell piece hanging point module. The utility model provides a wind bell piece hanging point module, include: wind bell piece, and injection moulded bottom plate, bottom plate is equipped with the support of hanging wind bell piece. The utility model provides a wind bell piece hanging point module, adopts the bottom plate of injection moulded to hang the wind bell piece, makes the overall quality is more light, and has reduced the installation process. The utility model can also be tailored into various shapes according to the environment and demand of the scene under the condition of guaranteeing the strength.

The application discloses a harmonic reducer and belongs to the technical field of reducers. The harmonic reducer comprises a flexible gear, a bearing outer ring, a rigid gear and a wave generator. The flexible gear comprises a flexible deformation part which is engaged with the inner side of the rigid gear, a driving part which is located on the outer side of the rigid gear and a connecting part which connects the flexible deformation part and the driving part. The bearing outer ring is located on the outer side of the rigid gear and is fixedly connected with the driving part. The driving part and the bearing outer ring are rotationally matched with the outer side of the rigid gear. The wave generator extends into the flexible deformation part. The harmonic reducer is simple in structure, reduces the number of parts and manufacturing cost, reduces the overall size and weight of the reducer, guarantees high transmission precision and is suitable for robots used in household, public service, scientific research and education and other scenes which pursue low cost and high practicability.

This invention relates to the field of jujube sorting technology, specifically to a high-speed, non-destructive jujube sorting system with a flexible material handling structure and its working method. The system includes a feeding inlet, a feeding conveyor belt, sorting rollers, variable-pitch spiral guide ribs, a full-field transparent detection chamber, a finished product collection bin, and a foreign matter collection bin. The feeding inlet feeds jujubes into the sorting rollers via the feeding conveyor belt, arranging them in single-grain intervals. The full-field transparent detection chamber on the CoreXY planar motion mechanism detects and sorts the jujubes into different finished product collection bins. Diseased fruits and foreign objects such as leaves and branches enter the foreign matter collection bin. This invention achieves efficient, non-destructive, and accurate jujube grading through a closed loop of "flexible upper material handling—full-field perception—non-destructive jujube grading—destruction and compression of diseased fruits and foreign objects."

The application discloses a kind of robot gripper device and grabbing method for assisting spraying operation, device includes main gripper module, auxiliary gripper module, deflection angle adjusting module, rotation angle adjusting module, pitch angle adjusting module, auxiliary gripper movement module, drive module, motion transmission module, by drive module through motion transmission module, pitch angle adjusting module, auxiliary gripper movement module action is realized, combined with deflection angle adjusting module, rotation angle adjusting module itself action, realize the relative pose adjustment of main gripper module, auxiliary gripper module and the grabbing of part to be sprayed;Method is based on deep learning network to generate grabbing posture, finally through the cooperation of main gripper module and auxiliary gripper module, the grabbing of specific position such as part non-spraying surface is completed.The application design is novel, and flexibility is high, can realize more complex grabbing action, and auxiliary realization is to complex shape part multidirectional spraying operation.

The utility model relates to steel structure construction technical field, concretely is a kind of multi-angle small specification steel member fixing device, including first steel tank and second steel tank, first steel tank and second steel tank between being provided with movable steel sheet and connecting steel sheet, two ends of movable steel sheet are respectively rotatably connected with first steel tank and second steel tank, movable steel sheet is set in sectional type, and rotatably connected between two adjacent sections;Connecting steel sheet one end is rotatably connected with first steel tank, and other end is detachably connected with second steel tank;When using, steel member is placed in the clamping groove of first steel tank and second steel tank.The utility model is connected by sectional movable steel sheet through the rotatable connection between adjacent sections, adapts to the steel member fixing demand of different inclination angles, ensures the accurate positioning and fixation of small specification steel member, and the combination of adjusting structure and elastic pressing plate makes the device can adapt to the steel member of different cross-sectional size and shape, reduces production cost, reduces the time and cost of rework.

This invention belongs to the field of variable wing technology and discloses a lightweight integrated aerodynamic drive system and a deformable wing. The aerodynamic drive system includes: a double-acting cylinder integrated with the valve bodies of a normally open and normally closed electromagnetic directional valve via a cylinder head; a combined valve comprising an inflation valve and a pressure reducing valve; the inflation valve is located above the pressure reducing valve, with its valve body integrated with the pressure reducing valve's valve body, and its outlet flow channel directly connected to the pressure reducing valve's inlet flow channel; the pressure reducing valve is located on the top of the front cylinder head of the double-acting cylinder, and is connected to the normally open electromagnetic directional valve via a gas-sealed connection, directly docking with a gas cylinder. This system combines optimized gas path design and hardware integration, integrating energy and drive functions, resulting in a compact and lightweight structure. It can adapt well to the requirements of limited installation space, significantly improving the system's adaptability to various operating conditions, thereby enhancing the aircraft's flight performance.

An example of a roller cleaning device according to the present invention may include: a cleaning head comprising: a cleaning body having a foreign matter suction channel, a cutter mounted on the cleaning body to be able to contact the surface of the roller, and a clamp configured to fix a wiping element to the cleaning body; and a foreign matter suction section connected to the cleaning body to be in fluid communication with the foreign matter suction channel, and configured to suction foreign matter present on the surface of the roller through the foreign matter suction channel.

This utility model relates to a multi-lead signal adapter, comprising: a detachably connected adapter housing and a fixing part; the adapter housing includes a threaded upper housing and a lower housing; the outer side of the lower housing is provided with multiple grooves for engaging with multiple protrusions on the fixing part; and the inner side of the lower housing is provided with multiple first suction members at intervals for engaging with multiple second suction members provided inside the fixing part; multiple through holes are evenly provided on the same side of the upper and lower housings, and a slot is provided at the joint of the upper and lower housings, the slot being located on the side of the upper housing parallel to the multiple through holes, and the slot is used to accommodate the protruding structure of the coil guard. This device has the advantages of comfortable wear, high user experience, and good signal transmission quality.

The application discloses a middle longitudinal beam, a vehicle frame and a vehicle. The middle longitudinal beam comprises a first beam body configured to be connected with front and rear longitudinal beams of the vehicle frame, and a lower end of the first beam body is provided with a first connecting surface configured to be bolted with a battery pack. The middle longitudinal beam further comprises a second beam body comprising a main body part, a first extension part and a second extension part. The main body part is connected with an outer side of the first beam body in the Y direction. The first extension part is arranged on an upper side of the main body part and is provided with a second connecting surface at an upper end thereof, the second connecting surface being configured to be bolted with a floor of a vehicle body. The second extension part is arranged on a side of the main body part away from the first beam body and is provided with a third connecting surface at an upper end thereof, the third connecting surface being configured to be bolted with a rocker beam of the vehicle body. The first beam body and the second beam body are integrally formed of aluminum material. The first beam body is fixedly connected with the battery pack, and the second beam body is fixedly connected with the vehicle body. The three are directly connected, the bending and torsional stiffness of the whole vehicle is improved, the aluminum material is light in weight, and the light weight design of the whole vehicle is met.

This invention provides a metatarsal fracture brace, comprising a covering component for covering the metatarsal and a fixation component for fixing the metatarsal. The covering component includes a metatarsal cover and an ankle fixation component. The metatarsal cover includes a first cover, a second cover, a third cover, and fasteners connected to both sides of the first cover along its length. The fixation component includes a foot support, a lower metatarsal surface fixation component, and a higher metatarsal surface fixation component. This invention provides good fixation and is lightweight, avoiding excessive negative pressure on the metatarsal during walking, thus promoting metatarsal fracture recovery.

The utility model discloses a sound insulation door, including door frame and door board, the door board with door frame rotatable connection, the door board is composite layer structure, from outside to inside is in proper order: panel, sound insulation heat preservation gasket, medium density fiberboard and fiber sound absorption board, the panel, sound insulation heat preservation gasket and medium density fiberboard symmetry setting in the both sides of fiber sound absorption board, the door board still includes multilayer damping glue for connecting each material layer. The utility model has beneficial effect in that, through setting up the door board as composite layer structure, has good sound insulation performance, light in weight, and conveniently opens and shuts.

The application discloses a catapult vehicle, a hydraulic system and a recoil force transmission control method, and adopts a sliding block, a storage and transportation ammunition box, a sliding frame, a sliding oil cylinder, an erecting frame, a pitching oil cylinder, a rotary table, a base and a sliding guide rail, the storage and transportation ammunition box is installed on the sliding frame, the sliding guide rail is connected on the upper surface of the erecting frame through bolts, the sliding block is connected on the lower surface of the sliding frame through bolts, and the sliding guide rail and the sliding block form a sliding pair through mutual cooperation; the piston cylinder end hinge base of the sliding oil cylinder is connected on the erecting frame, the piston rod end of the sliding oil cylinder is connected with the sliding frame, and the sliding frame is driven to slide relative to the erecting frame through the extension and contraction of the sliding oil cylinder; the two ends of the pitching oil cylinder are connected with the rotary table and the erecting frame respectively; the rotary table is installed on the base, and the erecting frame is hinged with the rotary table. The whole vehicle has high lightweight degree, and has strong recoil force buffering capacity.

This paper proposes a method for calculating the wheel steering angle of a parking brake in a vehicle with all-wheel independent steering. The method is applicable to vehicles with four-wheel independent steering capabilities, where the wheel steering angle is no less than ±90°, and the wheel steering units can self-lock when there is no steering signal. The method includes: when the vehicle needs to park, retrieving vehicle parameters and collecting external road information; calculating the required steering angles for the front and rear wheels according to the method; and controlling the front and rear wheels to rotate to the specified steering angles. This achieves stable parking under various road conditions without relying on traditional mechanical friction and locking parking brake mechanisms. This method ensures that the vehicle has sufficient residual traction at different inclines to resist wind interference from different directions, while reducing system assemblies and costs, and ensuring parking safety for such vehicles without a parking brake device.

This invention discloses a deployable device for a large secondary mirror of a space optical remote sensing camera, comprising: several flipping mechanisms and several unfolding mechanisms; wherein the flipping mechanisms are stacked sequentially, and adjacent flipping mechanisms are connected by unfolding mechanisms; each flipping mechanism includes an upper flipping plate and a lower flipping plate; the lower end face of the unfolding mechanism is connected to the upper flipping plate of the flipping mechanism below it, and the upper end face is connected to the lower flipping plate of the flipping mechanism above it; when the flipping mechanism is unfolded, the upper and lower flipping plates are arranged vertically; when retracted, the upper and lower flipping plates are arranged parallel to each other; the unfolding direction of the unfolding mechanism can rotate 90 degrees. This invention can realize the large aperture, long focal length, lightweight, and two-dimensional planar unfolding of a space optical remote sensing camera to meet the spatial resolution requirements of remote sensing satellites in the field of space remote sensing.