1532 results about "Load bearing" patented technology

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.

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.

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 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.

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 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 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 discloses a curing deformation control method for a composite material stiffened wallboard. The curing deformation control method is characterized by comprising the following steps: arranging at least two ribs on a to-be-stiffened surface of the stiffened wallboard; wherein geometric structure parameters of at least one rib are different from those of the other ribs, and bending deformation torque opposite to the other ribs in direction is generated, so that curing deformation and residual stress of the stiffened wallboard meet design requirements. According to the method, curing deformation is controlled on the premise that the pneumatic performance, the bearing performance and the like of the stiffened wall plate are not affected, and a preferable technical approach is provided for accurate manufacturing of the composite material stiffened wall plate.

The invention relates to the technical field of aerospace, in particular to a ceramic 3D printing A sandwich structure with a broadband wave-transparent characteristic. According to the ceramic 3D printing A sandwich structure with the broadband wave transmission characteristic, good compatibility of broadband wave transmission, strength-structure accuracy and reliability is achieved, an obvious effect on broadband wave transmission of 1 GHz to 18 GHz is achieved, the dielectric constant and the tangent loss are in a reduction trend under the same frequency band, excellent stability is shown, and the dielectric constant and the tangent loss are reduced under 10 GHz. The dielectric constant of the ceramic 3D printing A sandwich structure with the broadband wave transmission characteristic is reduced by 40% or above compared with that of a full solid structure, the wave transmission rate is increased by 50% or above, the ceramic 3D printing A sandwich structure has excellent electromagnetic performance and mechanical performance, and support is provided for implementation of reliable service application targets such as diversion, heat protection, wave transmission, bearing and rain erosion resistance of hypersonic aircrafts.

The invention relates to a temperature sensor integrated with a bearing and a preparation method and application thereof, and relates to the technical field of bearing diagnos.The temperature sensor comprises a multi-layer composite film resistance grid structure, and a composite film sequentially comprises a bearing substrate, a transition seed layer, an insulating layer, a sensing layer and a wear-resistant protective layer from inside to outside; by adding the transition seed layer between the bearing substrate and the insulating layer, the binding force between the insulating layer and the bearing substrate is enhanced, the probability of sensor failure caused by large difference of thermal expansion coefficients of the insulating layer and the bearing substrate is reduced, and the use effect of the sensor is improved; in-situ real-time temperature sensing is realized by adopting a scheme of coating a film on a bearing raceway, the scheme starts from the source of a fault, an intelligent diagnosis technology and criterion based on the temperature of a bearing contact area are formed, bearing fault detection methods are enriched, forward guidance is formed for bearing design, and the bearing fault detection efficiency is improved. And a new idea is provided for an aviation high-speed light-load bearing fault diagnosis technology.

The present invention provides a hook attachment for hanging articles of any shape, size and weight, over a tightened horizontal wire, where the hook attachment resists forces in both horizontal directions and resists unwanted torque that may be imposed by the applied load of the article on the hook. The hook includes at least two parts: a wire coupling part and a load bearing part. The wire coupling part is a part of the hook where the hook flexibly couples with the tightened horizontal wire, and the load bearing part is the part where an article can be hanged in the hook.

The utility model discloses a comprehensive test box which comprises a foundation, a downwards-sunken foundation pit is arranged in the foundation, a concrete bearing base body is poured in the foundation pit, and a first buffer layer, a framework layer and a second buffer layer are arranged between the concrete bearing base body and the foundation pit. The first buffer layer, the framework layer and the second buffer layer are all of a cylindrical structure and wrap the circumferential direction and the bottom of the concrete bearing base body, and the framework layer is provided with a supporting part extending upwards in the vertical direction to form a foundation pit; the vibration table is fixedly mounted at the upper end of the concrete bearing base body through a metal base; the bottom of the test box body is provided with a butt joint window, and the butt joint window is fixedly connected to the supporting part in a sealed mode. The utility model has the beneficial effect of solving the technical problem that the connection sealing difficulty of the large-scale vibration table and the box body is large.

The application relates to a deformable wheel with non-pneumatic load bearing intended to equip a vehicle for rolling under extreme conditions such as those encountered on the Moon and on Mars, comprising a hub, an annular tread intended to be in contact with the soil, positioned around the hub which is concentric therewith and comprising a layer of composite material coated with at least one protective layer, and a plurality of metal cables whose outer diameter is comprised between 0.2 mm and 5 mm, each cable connecting the hub to the tread while being fixed, on the one hand by an external end to the tread, and on the other hand by an internal end to the hub by an elastic member making it possible to modulate the radial stiffness of the cables, each elastic member being associated with an abutment able to limit its deformation.

The invention discloses a monocrystalline silicon growth furnace and a control method thereof, the monocrystalline silicon growth furnace comprises a main furnace chamber and an auxiliary furnace chamber, the main furnace chamber is communicated with the auxiliary furnace chamber, the main furnace chamber comprises a furnace cover, a furnace cylinder and a furnace bottom, the furnace cover is detachably connected with one side of the furnace cylinder, and the furnace bottom is connected with the furnace cylinder. And the furnace bottom is detachably connected with the other side of the furnace barrel. According to the monocrystalline silicon growth furnace disclosed by the invention, the furnace bottom is designed into a liftable structure and is matched with the operation platform, so that on one hand, the occupied land load is greatly reduced, on the other hand, the production operation is convenient, the production efficiency is greatly improved, the safety is high, and the equipment investment cost is reduced.

A dry etching device and a control method thereof, the dry etching device comprising: an electrostatic chuck configured to bear a wafer; the ejector pins penetrate through the electrostatic chuck, are parallel to the plane of the chuck surface of the electrostatic chuck, and are not collinear; and the pressure sensor is configured to obtain the load bearing of the ejector pin. The position of the wafer on the ejector pin can be detected through the bearing of the ejector pin obtained by the pressure sensor, so that whether the position of the wafer borne on the ejector pin deviates or not is judged, a basis is provided for judging whether movement of the ejector pin is stopped or not, the problem of wafer sliding can be effectively reduced, the situation can be effectively prevented from being further expanded, and the service life of the wafer is prolonged. And the occurrence of sheet collision and sheet breaking accidents is reduced, the manufacturing yield can be effectively improved, and the waste sheet rate is reduced.

The invention belongs to the technical field of bridge wind resistance, and discloses a large-span bridge wind-induced low-frequency torsional vibration control device which is mainly composed of a fixed pulley, a rope, a mass block, a spring and a damper or an actuator. Based on the characteristic that the two sides vertically vibrate in opposite phases during torsional vibration of a bridge girder, mass blocks are transversely and symmetrically arranged on the bridge girder in a stress mode of rope suspension and fixed pulley transmission, so that the mass blocks on the two sides are balanced in self weight in a static state, and the bearing capacity requirement of a spring or an actuator and the engineering cost are greatly reduced. Compared with a low-frequency torsional vibration control traditional passive measure, the strength, the length, the number and the cost of the spring are greatly reduced, and the static deformation of the spring is greatly reduced. Compared with a low-frequency torsional vibration control traditional active measure, the driving force and power consumption requirements of the actuator are greatly reduced, the weight is lighter, and the cost is lower. The device is also suitable for different-frequency torsional vibration control and torsional vibration excitation of other engineering structures, the function is powerful, and the application range is wide.

The present invention relates to a vehicle crash structure including a longitudinal energy absorption member and a load bearing element. The load bearing element includes a first and second end and a first and second load bearing arm. Each of the load bearing arms extend between the first and second ends of the load bearing element. The first end of the load bearing element is attached to one end of the longitudinal energy absorption member. The second end of the load bearing element is attached to a cross member of a vehicle body structure located between a bulkhead panel of the vehicle body structure and the longitudinal energy absorption member. The longitudinal energy absorption member and the load bearing element define a load path for a longitudinal load during a crash. The first and second load bearing arms define a first and second diverging portion of the load path, respectively.

An ambulance stretcher, including a support frame for supporting a patient; a pair of front and rear legs, each having a front and rear wheel, respectively; an actuation arrangement provided with front and rear actuators, which move the front and rear legs, respectively; a front coupling body connected to the support frame; a control unit of the coupling body including a first sensor configured to detect a correct positioning of the coupling body in a respective support coupling of an automatic loading / unloading apparatus of an ambulance, a second sensor configured to detect a load bearing on the coupling body; a release arrangement configured to operate a release between the coupling body and the support coupling; and an electronic control unit configured to actuate one of the actuation arrangement and the release arrangement as a function of a signal received from the first and / or second sensor of the control unit.

The invention discloses a high-bearing-capacity formed spiral anchor foundation and a construction technology, and relates to the technical field of spiral anchor foundations, the high-bearing-capacity formed spiral anchor foundation comprises a hollow anchor rod, at least one spiral anchor disc and a plurality of grouting holes, the spiral anchor disc and the grouting holes are arranged on the lower section of the anchor rod, a pressing disc structure is coaxially arranged on the middle section of the anchor rod, and the diameter of the pressing disc structure is basically equal to that of the spiral anchor disc; and the pressure plate structure is used for compacting soil around the anchor rod in the process of screwing the anchor rod into the ground. In the process that the middle section of the anchor rod is screwed into the ground, the pressing disc structure compacts soil around the anchor rod disturbed by the spiral anchor disc, the uplift bearing capacity is improved, in the later stage, through the high-pressure grouting stage of the anchor rod, cement paste cannot uprush from the high-compactness soil in the spiral anchor disc and around the anchor rod, and the uplift bearing capacity is improved. The high-bearing forming spiral anchor foundation can only uprush to the ground from soil which is far away from the anchor rod and is relatively low in compactness, so that the cement paste is fully injected into the underground soil, the paste wrapping range is wide, the grouting effect is good, and the bearing capacity, especially the horizontal bearing capacity, of the high-bearing forming spiral anchor foundation is remarkably improved.

A monument assembly for a vehicle and method for attaching a monument assembly to an aircraft. The monument assembly is capable of being a heavily loaded interior monument enclosure for an aircraft that includes a load bearing structural frame to be attached to a floor of the aircraft. The monument assembly includes a plurality of support members connected together and a set of floor fittings connected to the plurality of support members. The set of floor fittings configured to be connected to the vehicle. A plurality of non-loadbearing panels is connected to the plurality of support members. A load path of the monument assembly is carried by the plurality of support members and not the plurality of panels.

A seat rotating device capable of achieving both of suppression of floating of a rotating plate from a seat slider and positioning in a front-rear direction of the rotating plate at a seating position is provided. The seat rotating device includes a seat slider including a lower rail and an upper rail, a base plate, a rotating plate including a belt anchor bracket, a coupling unit, a restriction portion, a fixing member, and a load bearing portion. The restriction portion includes an opposed portion opposed, in the front-rear direction, to a rear end of the belt anchor bracket while the rotating plate is located at the seating position and a tab located above the rear end of the belt anchor bracket while the rotating plate is located at the seating position.

A storage system has a rectanguloid shape and defines a storage chamber. The storage system includes a frame comprising a back wall, a first and a second side wall, and one or more structural brackets. The storage system also includes a bench supported by the frame and movable between a closed position wherein the bench is load bearing and an open position wherein the storage chamber is accessible from an exterior of the storage system. A front wall is rotatably connected to the storage system and movable between a retracted position wherein the storage chamber is inaccessible from an exterior of the storage system when the bench is in the closed position and an extended position wherein the front wall at least partially defines an access slot to allow access to the storage chamber when the bench is in the closed position. A removable, grated floor is supported by the frame.

A dismantlable pallet including a substantially planar, upper load bearing member with a reinforcing internal frame; a substantially planar, lower supporting base with a reinforcing internal frame configured to improve the structural rigidity and load bearing capacity of the base. The pallet further includes a plurality of spaced apart support members sandwiched between the load bearing member and the base defining apertures between the load bearing member and the base, rendering the pallet releasably engageable with conventional and compatible load transporting apparatuses; and at least one releasable fastener to secure the load bearing member to the base with their respective reinforcing internal frames and the support members sandwiched between the member and the base wherein the load bearing member and the base are made of a rubber compound selected from the group including hardness, tensile strength, tear resistance, abrasion resistance, temperature resistance, impact resistance, slip resistance and moisture resistance.

The invention belongs to the technical field of machine tool motorized spindles, and relates to a preload adjusting device applied to a rear bearing of a motorized spindle, the motorized spindle and the motorized spindle comprising the preload adjusting device. The device is integrated at the rear end of an electric spindle, a rear bearing piston is driven by hydraulic oil to move axially, pre-tightening force on a load bearing is dynamically applied and accurately adjusted, and the pre-tightening force is finally transmitted to a broach mechanism. The pretightening force of the motorized spindle can be automatically adjusted according to the rotating speed (low, medium and high), the contradiction between high rigidity and low temperature rise in the wide rotating speed range is solved, the high-performance motorized spindle is particularly suitable for high power, high torque and the wide rotating speed range, and high rigidity during low-speed heavy cutting and long service life during high-speed operation are achieved.

A deformable wheel with non-pneumatic load bearing intended to equip a vehicle for rolling under extreme conditions such as those encountered on the moon and on Mars, includes a hub, a laminated annular strip including a plurality of concentric ferrules which are assembled with the interposition of interposing layers each composed of a material whose Young's modulus is 600,000 to 1,000 times lower than that of the ferrules, and a plurality of metal cables. Each cable connects the hub to the laminated strip while being fixed, on the one hand by an external end to the laminated strip, and on the other hand by an internal end to the hub by means of an elastic member making it possible to modulate the radial stiffness of the cables. Each elastic member is associated with an abutment able to limit its deformation.

A lightweight fastener assembly with reduced weight and method is provided. The fastener assembly has a fastener body with a cap retention feature adjacent a first end and a threaded portion extending from a second end. A load bearing surface is configured to mate with a fastener seat on a wheel. A flange is formed adjacent a load bearing surface and having a diameter larger than the cap retention feature. A wrenching feature is formed between the cap retention feature and the second end and is configured to be engaged by a standard tool. A cap is secured to the cap retention feature on the fastener body and has upright contoured walls extending to a cap top. The cap is hollow in a capped region defined by the contoured walls and cap top beyond the first end of the fastener body.

The present disclosure relates to a battery unit (100) for an electric vehicle. The battery unit (100) comprises a battery tray (1) made of a composite material and defining an interior space configured to receive a battery (2) comprising one or more battery cells. The interior space is delimited by a bottom wall (3) and one or more lateral walls (4). Further, the lateral walls (4) comprise a side flange (5) extending outwardly from the lateral walls (4), and the side flange (5) comprises one or more embedded metal inserts (6). The metal inserts (6) are configured to receive one or more fasteners to secure the battery tray (1) to a load bearing structure of the electric vehicle. The present disclosure further relates to methods (500) for manufacturing a battery unit.