2289 results about "Load bearing" patented technology

The disclosure relates to the technical field of trolleys, and in particular to a trolley frame, including four wheel carriers provided with roller wheels at lower ends and connected by a bottom folding stand. A side folding stand includes a support bar and at least two first X-shaped linkage assemblies. The support bar is arranged between the two first X-shaped linkage assemblies, and a lower end of the support bar is hinged to the bottom folding stand. A cloth bag can be well supported according to this solution, so as to reduce a risk of the cloth bag being damaged or torn in case of load bearing.

The invention provides a rooftop tent for a vehicle which includes a base detachably fixed to a roof of the vehicle, which includes a first load bearing panel and a perimeter frame which engages a perimeter of the first panel, a base extension rotatably connected to the base, a cover rotatably connected to the base to open and close on an upper surface of the base, which includes a second load bearing panel and a sidewall which extends between an upper edge and a lower edge, which engages the second flat at the upper edge, a tent unit connected to the base plate and the cover and which moves from a folded configuration when the cover is closed and the base extension is in a retracted position, to an open configuration when the cover is open and the base extension is in an extended position.

Examples of a self-supported device for guiding motions of a target joint of a target body are disclosed. The device comprises a motion generator, a motion transfer system, a target body interfacing system, a load bearing system and a controller. The load bearing system comprises a plate connected to the motion transfer system and a network of joints and links configured to constrain the plate to rotate in three dimensions about a center of rotation of the load bearing system. A position of the center of rotation of the load bearing system being adjustable by adjusting a connection point between the links. The plate of the load bearing system is connected to an adjustable target body interfacing system that is configured to be mounted to the target body. The center of rotation of the load bearing system coincides (or nearly coincides) with a center of rotation of the target joint of the target body.

The invention discloses a wiring auxiliary structure of a screen FPC end and a screen lightening detection process, the structure comprises an epitaxial bearing platform, a base, a wiring platform, a needle die, a pressing module, a jacking module and a beating and aligning assembly, the pressing module comprises a pressing die strip and a power device, the needle die and the wiring platform are in butt joint to form a stepped matching surface, and the needle die is also provided with an air leakage channel. On one hand, the FPC end is flattened on the basis of negative pressure adsorption force formed by the downward pressing die strip in combination with movement in the up-down and front-back directions, meanwhile, position calibration of the flattened FPC end is conducted on the basis of left-right patting, and under the matched pressing fit of a matching face and the screen FPC end, accurate butt joint of an interface and a needle die is achieved, the butt joint dislocation rate is reduced, and potential safety hazards are eliminated; and on the other hand, the air flow formed by lamination is discharged based on the air leakage channel, lamination hollowing is avoided, the butt joint stability of the interface and the needle mold is improved, the displacement rate of the interface and the needle mold is reduced, and therefore the accuracy rate of the screen lightening test is improved.

Provided in the present application are an energy storage device and an energy storage system. The energy storage device comprises a first compartment and a battery device, wherein the first compartment comprises a first top wall and a first side wall connected to each other; the first top wall is provided with an exhaust mechanism, which can communicate the interior of the first compartment with the outside; and the first compartment accommodates the battery device. Since the first side wall mainly plays a role in supporting and load bearing in the first compartment, and the exhaust mechanism, which communicates the interior of the first compartment with the outside, is arranged on the first top wall instead of the first side wall, the impact of the arrangement of the exhaust mechanism on the structure of the first side wall is reduced, thereby reducing the impact of the arrangement of the exhaust mechanism on the supporting effect and load-bearing capacity of the wall of the first compartment, facilitating an improvement in the stress condition of the energy storage device and facilitating an improvement in the reliability of the energy storage device.

An isolation system is provided. The isolation system is configured to isolate the translational vibration in the directions of an X-axis and a Y-axis and the torsional vibration around a Z-axis by being positioned between a ground and a load. The isolation system includes at least one base platform that can be associated with the ground, at least one load bearing platform that can be associated with the load, a plurality of beams positioned between said base platform and said load bearing platform in a symmetric way that there is equal distance and equal angle between them with respect to the central axis, multiple tensioning wires positioned adjacent to each beam or beam group so that there is at least one for that beam or beam group in order to bring the said base platform and said load bearing platform closer together.

The invention discloses a micro-grid load distribution control method, device and equipment based on entropy increase disturbance, and the method comprises the steps: analyzing the operation state of a micro-grid through chaos measurement, and constructing an entropy increase disturbance excitation mechanism to actively excite the vitality of a system; after random disturbance is applied, inherent frequency characteristics of each power supply are extracted, and a frequency synchronization coordination mechanism is established to realize multi-source coordination; adopting counter-example search to actively identify distribution scheme vulnerabilities, and generating an enhanced distribution strategy to improve robustness; evaluating the load bearing capacity of each power supply, constructing a load conduction topology and analyzing pressure distribution; each power supply bearing limit parameter is obtained through boundary active detection, and the equipment potential is fully excavated; and a final control instruction is generated based on a multi-layer time sequence synchronization mechanism, and multi-power-supply coordinated output is realized. A chaos theory is introduced into micro-grid control, local optimum is avoided through active disturbance, a multi-layer coordination mechanism is adopted to adapt to new energy volatility, and a self-adaptive load distribution control scheme is provided for a micro-grid with high-proportion renewable energy access.

An electric wheel controller and methods for operating and manufacturing an electric wheel controller are disclosed. Embodiments include a controller forming a structural and / or load bearing component of the vehicle suspension system. Embodiments of the controller can be mounted to a wheel assembly, and in some embodiments the controller is a suspension knuckle. Embodiments include a controller with a cavity and electronic circuitry submerged in liquid coolant. During operation the coolant can absorb heat from the immersed circuitry. In some embodiments the coolant transitions to a gas and / or vapor, and can move to an upper portion of the cavity. When the coolant contacts the cooler surfaces of the cavity the coolant can transition back to a liquid and return to a pool of liquid coolant in which the circuitry is immersed. A heat sink can be connected to the controller, such as by laser soldering.

The invention relates to the technical field of forging polishing, in particular to automatic forging polishing equipment which comprises a machine tool, a first sliding seat and a second sliding seat located on the left side of the first sliding seat are slidably mounted on the upper end face of the machine tool through a sliding rail, and an alignment mechanism is arranged on the first sliding seat. An alignment, bearing and grinding integrated operation model is adopted to complete automatic grinding operation on the surface of the half shaft, when the half shaft is ground, a grinding roller and an extrusion roller carry out stable three-point supporting on a grinding part of a shaft rod of the half shaft, and self-adaptive circumferential extrusion is carried out on the shaft rod along with the change of the grinding position, so that the surface of the half shaft is ground. Meanwhile, the spring telescopic rods are used for locking the positions of the grinding roller and the extrusion roller, a triangular stable structure is provided, the half shaft is effectively prevented from shaking and shifting, it is ensured that the pressure of the grinding roller is evenly distributed, the grinding quality and efficiency are remarkably improved, the surface roughness is reduced, the fatigue strength of the half shaft is improved, and the service life of the half shaft and equipment is prolonged; and the grinding automation degree and the production efficiency are improved.

The invention discloses an intelligent storage shelf loading counterweight system, and relates to the technical field of loading counterweight, the intelligent storage shelf loading counterweight system comprises a monitoring center, a data acquisition module, a data analysis module, a region division module, a load bearing evaluation module and a regulation alarm module, and the technical key points are as follows: firstly analyzing surrounding temperature, humidity and pressure to generate a comprehensive environment coefficient; the method comprises the following steps: acquiring shelf information, performing interval comparison, generating low, medium and high risk signals, performing further analysis based on the medium and high risk signals, performing deep analysis on the acquired shelf information, distributing a first bearing interval, a second bearing interval and a third bearing interval, and setting a plurality of monitoring nodes based on the divided bearing intervals. According to the method, loading counterweight is carried out on goods, in the process, the monitoring process is converted into three-dimensional space analysis, unreasonable loading counterweight is judged by obtaining the deviation proportion, and an alarm or regulation and control signal is sent out.

Wall-building element system comprising sole elements, basic wall-building elements adapted to be assembled to a wall, and beams adapted to be fitted between each horizontal layer of the basic wall-building elements. The basic wall-building elements are prefabricated with a central, load bearing core member and form-stable layers of thermal insulation on both sides thereof. The core member and the thermal insulation layers are mutually adapted in a tongue-and-groove system while the beams are made in an “H”-profile corresponding thereto. The core member typically consists of a plate-shaped main body provided with laterally extending, vertically oriented ribs.

The invention discloses a solid rocket engine composite material skirt connecting structure and a forming method thereof.The connecting structure comprises a composite material skirt, a skirt hole reinforcing ring, a connected cabin section and a connecting piece, the composite material skirt and the skirt hole reinforcing ring are integrally formed, and the rear end of the composite material skirt and the rear end of the skirt hole reinforcing ring are connected with the connected cabin section through the connecting piece; the connected cabin section is of an L-shaped nested inner lap joint structure and has the butt joint limiting and bearing functions, and the thickness transition section at the front end of the composite skirt is connected with a fiber winding structure layer of a combustion chamber shell. Compared with a traditional metal skirt connecting structure, the weight reduction effect is obvious, compared with a traditional composite skirt hinge block connecting structure, the connecting mode is simpler, and the fiber continuity of a composite skirt connecting area is guaranteed; the problems that in-plane shear rigidity and strength of the composite material are insufficient, and orifice positions are prone to damage are solved. The structure and the forming process are simple, the maturity is high, and the cost is low.

A utility storage deck device 100 for a vehicle 200 comprises a load bearing bed cover 102, storage boxes 104, a headache rack 106, a primary deck 108 and a secondary deck 110. The load bearing bed cover 102 is configured to detachably mounted on the bed rails 112 of the vehicle 200. The storage boxes 104 are mounted to the top of the bed cover 102 on the passenger side 105a and driver side 105b, leaving space for cargo on top of the bed cover 102 between the boxes 104 to act as a secondary deck 110, while the bed cover 102 covering the space between the bed cover 102 and the OEM tailgate 114 to turn the space into a primary deck 108 to provide a secured and covered storage space. The utility deck storage device 100 that configured to detachably attach on the bed rails 112 of the vehicle 200.

The invention discloses a mahjong machine and a horizontally-pushing mahjong tile feeding device thereof, a mahjong tile supporting plate transmission mechanism for driving a mahjong tile supporting plate to lift comprises two mahjong tile feeding curve cams, two mahjong tile feeding rocker arms, two mahjong tile feeding rocker arm shafts, two mahjong tile feeding rotating gears and two first gears, and the first gears are incomplete gears; a toothed part and a toothless part are arranged on the first gear, and the first gear is in matched transmission with the mahjong tile feeding rotating gear: when the toothed part on the first gear is in meshed transmission with the mahjong tile feeding rotating gear, the first gear drives the mahjong tile feeding rotating gear to rotate; when the toothless part on the first gear is matched with the mahjong tile feeding rotating gear, the mahjong tile feeding rotating gear does not rotate; and the two first gears are driven by a horizontal pushing mahjong tile feeding motor to rotate synchronously. According to the scheme, all-gear transmission is adopted for the tile supporting plate transmission mechanism, the torque transmission capacity and the load bearing capacity are enhanced, the stability and reliability of lifting motion of the tile supporting plate are improved, the transmission structure is more reasonable, and maintenance and installation are more convenient.

The invention relates to the technical field of 3D printing, in particular to a lightweight design method and system for a 3D printed product and a storage medium. The method comprises the following steps that geometric data information of a 3D printing model is obtained; performing model internal space volume distribution feature extraction and model wall thickness uniformity distribution evaluation on the geometric data information, and predicting a model structure load bearing capacity change trend to obtain structure load prediction data; detecting the optimized space attenuation trend of the material distribution density according to the structural load prediction data; performing dynamic interference removal intensity prediction on redundant materials in the model according to the optimization space attenuation trend to obtain redundant removal intensity data; and determining a coupling balance trend of model lightweight and strength maintenance based on the redundancy removal strength data and the optimized spatial attenuation trend. According to the method, accurate matching of the load demand and material distribution is realized by establishing the correlation model of the wall thickness uniformity and the load bearing capacity.

A utility wall is provided for a multi-story building having load bearing walls that are able to withstand vertical loads and lateral loads. The building may be a low-rise building or a mid-rise building. The utility wall, as well as the load bearing walls, floor-ceiling panels, corridor panels, and other parts of the building, are pre-manufactured off-site and then installed on-site at the site of the building. The utility walls are hung from the load bearing walls and provide utilities to the various stories of the building.

The invention relates to a gravity and suction combined type anchoring foundation, an installation method and an installation evaluation method.The combined anchoring foundation comprises a gravity anchor assembly and a suction anchor assembly; the gravity anchor assembly is used for being connected with an upper draught fan and providing a stable gravity foundation for the draught fan. The top of the suction anchor assembly is fixed to the bottom of the gravity anchor assembly, and the suction anchor assembly is used for penetrating into a seabed with the target depth. According to the anchoring foundation, the gravity anchor assembly is connected to the suction anchor assembly, and the load bearing capacity of the anchoring foundation in the vertical direction and the horizontal direction is improved.

The invention discloses a large-bearing turntable suitable for an ultrahigh antenna skeleton, which is characterized by comprising a rotating platform, a working bin and a ground foundation, a central pivot is arranged in the center of the rotating platform; the bottom of the central pivot is rotationally connected with the ground foundation, and the top is fixedly connected with the antenna skeleton to form a first main force transmission path of the turntable; the bin body framework of the working bin uniformly surrounds the central pivot and is fixedly connected with the central pivot; a roller assembly of the rotating platform is connected with the end part of the bin body framework to form a second main force transmission path of the rotating platform; the roller assembly can move along the track on the ground foundation; and the bearing performance of the structure in the first main force transmission path and the bearing performance of the structure in the second main force transmission path are balanced. By means of the large-bearing-capacity rotary table suitable for the ultrahigh antenna framework, the anti-overturning capacity of the rotary table can be improved.

The subject-matter of the invention comprises a hoist mechanism for attic scissor stairs, attic stairs and method of hoisting attic stairs concertina ladder using hoist mechanism, wherein the hoist mechanism with an electric drive is constructed out of load bearing frame (5), half-frame (62) with electric drive (72) suspended from it, and half-frame (61) is constructed out of lateral stile (61) and two side stiles (62), so that half-frame side stiles (62) are mounted using articulated joints to load bearing frame (5) wherein each side stile (62) features lifting system (13) for lifting attic stairs concertina ladder (3), wherein lifting system (13) assumes a passive and an active position during hoist mechanism operation.

The invention relates to the technical field of photovoltaic tracking driving, and provides a reverse self-locking speed reduction driving device which comprises a transmission shaft, a shell, a first gear, two output shafts and a third gear, the two output shafts are symmetrically installed at the two ends of the transmission shaft, the output shafts are coaxial with the axis of the transmission shaft, the first gear is eccentrically installed on the transmission shaft, and the second gear is eccentrically installed on the shell. Comprising a first gear and a second gear which are different in tooth number, a second gear meshed with the first gear is formed on each output shaft, a third gear is eccentrically meshed with the second gear, and the eccentric directions of the two first gears meshed with the two output shafts are conjugated. Large reduction ratio output can be achieved through two-stage speed reduction, multi-tooth meshing bearing is achieved through cooperation of arc teeth, the bearing torque is increased, sliding friction transmission is adopted between teeth, and reverse large-torque self-locking of the output shaft is achieved.

The sleeve type core concrete-ring sand prefabricated bamboo pile structure comprises a first bamboo pile and a second bamboo pile, the second bamboo pile is arranged in the first bamboo pile in a sleeved mode, a plurality of bamboo body holes used for water drainage are formed in the surface of the first bamboo pile, concrete is filled in the second bamboo pile, and the first bamboo pile and the second bamboo pile are connected in a sleeved mode. An annular cavity is formed between the inner wall of the first bamboo pile and the outer wall of the second bamboo pile and filled with drainage sand. According to the sleeve type core concrete-ring sand prefabricated bamboo pile structure, the sleeve type first bamboo pile and the sleeve type second bamboo pile are adopted, a reinforcing structure and a water drainage structure are formed through grouting and sand injection respectively, the effects of water drainage and soft foundation reinforcing can be achieved, the double functions of water drainage and load bearing are achieved, and the service life of the structure is prolonged. The method can be widely applied to reinforcement treatment of soft foundations. The sleeve type core concrete-ring sand prefabricated bamboo pile structure further has the advantages of being low in cost, convenient to take materials, green and renewable in material and the like.

The invention relates to the technical field of visual inspection equipment manufacturing, in particular to fuel cell collector plate welding seam visual inspection equipment. The bearing jig is used for bearing stacked fuel cell collector plates in batches, and the stacked fuel cell collector plates are carried by the transfer unit. And under the action of the carrying force from the transfer unit, the full-load-state bearing jig is carried to the feeding station. And the upstream multi-degree-of-freedom manipulator is used for transferring the fuel cell collector plates from the bearing jig to the loading tool piece by piece. The loading tool can circulate among different stations under the action of carrying force from the carrying unit, and the optical detection unit picks up weld images of the fuel cell collector plate when passing through the visual detection station. And under the action of carrying force from the transfer unit, the no-load-state bearing jig performs transverse movement until the no-load-state bearing jig stops at a discharging station. And the downstream multi-degree-of-freedom manipulator is used for transferring the fuel cell collector plate good products from the loading tool to the bearing jig or the defective product temporary storage box one by one.

The invention provides a marine underwater oil cylinder, and belongs to the technical field of marine engineering underwater key parts. The oil cylinder comprises a cylinder bottom, a cylinder body and a cylinder cover which are sequentially arranged, and the cylinder cover is connected with the cylinder body in a sealed mode through a first sealing assembly. A piston and a piston rod connected to the piston are slidably arranged in the cylinder body, the piston rod is in sealing fit with the cylinder cover through a second sealing assembly, and the piston is in sealing fit with the inner wall of the cylinder body through a third sealing assembly. According to the oil cylinder used under the sea, the sealing performance and the anti-corrosion performance of the oil cylinder are improved, the pressure-resistant grade and the radial bearing capacity of the oil cylinder are improved, the low-speed stable motion characteristic of the oil cylinder is improved, and the service life of the oil cylinder is prolonged.

A retail merchandise tray system includes a pusher tray which includes a pusher tray. The pusher tray includes a pair of opposed load bearing members, a front stop mounted to the pair of load bearing members, and a wire support frame supported at least in part by the pair of load bearing members. The pusher tray further includes a pusher mounted to the wire support frame. The pusher is movable along the wire support frame toward and away from the front stop along a first axis. The retail merchandise tray system further includes a base configured for removable attachment to the pusher tray. The base is further configured for attachment to a retail shelf. The attachment of the pusher tray to the base is such that the pusher tray is configured to slide back and forth between a loading configuration and a dispensing configuration.

The mounted bracket for use in building on a tree is a mechanical structure. The mounted bracket for use in building on a tree is a load bearing structure. Each mounted bracket for use in building on a tree is a bracket. One or more instantiations of the mounted bracket for use in building on a tree attaches a platform structure to a load bearing anchor structure. The one or more instantiations of the mounted bracket for use in building on a tree elevate the platform structure above the ground. Each mounted bracket for use in building on a tree includes a platform plate, a mounting nut, a guard plate, and a fastening device. The mounting nut and the guard plate attach to the platform plate. The fastening device secures the mounted bracket for use in building on a tree to the load bearing anchor structure.

The invention belongs to the technical field of building construction, and discloses an inhaul cable tensioning device which comprises a supporting assembly, a driving assembly and a bearing assembly. The inhaul cable is movably connected to the supporting assembly, the driving assembly comprises a movable part and a fixed part, the fixed part is arranged on the supporting assembly, the movable part can be arranged on the fixed part in a sliding mode in the tensioning direction, the bearing assembly comprises a bearing part, the bearing part is rotatably connected to the movable part and is configured to be connected to the inhaul cable, and when the movable part slides in the tensioning direction, the movable part can slide in the tensioning direction. The bearing part can rotate relative to the movable part to drive the inhaul cable to rotate around the axis of the inhaul cable. By means of the arrangement, the inhaul cable tensioning device can improve the safety of inhaul cable construction, and the construction requirement is met.

The invention relates to a hybrid drive type bionic light-weight nursing mechanical arm which comprises a shoulder joint module, a rope-driven elbow joint module and a rope-driven wrist joint module which are connected in sequence. The shoulder joint module is of a series-parallel structure, a first servo motor directly drives a center linkage platform to achieve forward flexion and backward extension of the shoulder, and a second servo motor and a third servo motor cooperatively drive a closed-loop structure formed by a driven branch chain unit to achieve adduction, abduction, internal rotation and external rotation of the shoulder. The elbow joint module achieves elbow bending and stretching and inward and outward rotation driven by a fifth servo motor through rope wheel transmission and gear meshing. The wrist joint module achieves forward flexion, backward extension, abduction and adduction of the wrist through a rope winding path and bevel gear meshing. Compared with the prior art, the adaptability and efficiency of the mechanical arm in rehabilitation nursing are improved, it is ensured that all the joints can work precisely and cooperatively under multi-degree-of-freedom movement, and the control precision and stability of a driving system are optimized while the high-load bearing capacity is ensured.

A load bearing apparatus has a substantially rigid insertion panel of a width and height to slip fit to internal dimensions of a pocket of a garment, a first portion of an attachment mechanism coupled to an upper edge of the insertion panel, and one or more flexible extensions joined proximate the upper edge of the insertion panel and having an attachment element at an opposite end of the one or more flexible extensions configured to attach to compatible elements on a front surface of the pocket.

The invention relates to the technical field of pump body structure design and optimization, in particular to a method for acquiring a centrifugal pump blade load distribution curve, which comprises the following steps of: recording the stress distribution condition of a blade under the action of alternating load in real time through a high-precision multi-channel strain gauge and a laser interference measurement technology; a scanning electron microscope, a transmission electron microscope and an X-ray diffraction technology are combined to analyze microstructure characteristics of a composite material and metal bonding interface; through comparison of experimental data and finite element analysis results, deviation is quantified, error analysis is carried out, and key microstructure parameters influencing load distribution are identified. According to the analysis result, experimental conditions and a finite element model are optimized, a design scheme for adjusting the interlayer thickness of the composite material and optimizing the metal treatment process is provided, and the load bearing capacity and durability of the blade are improved. The method can be widely applied to design and optimization of high-performance centrifugal pump blades.