19results about How to "Meet load requirements" patented technology

The application relates to a direct current power distribution system with a direct current bus architecture reconstruction capability, comprising a plurality of alternating current power sources, a plurality of corresponding AC / DC energy routers, a plurality of corresponding direct current bus switching switches, positive / zero / negative direct current buses, a power frequency isolation transformer and a plurality of DC / DC charging modules constituting a direct current load. The working state of the system can be transformed among two unipolar direct current bus architectures and a true bipolar bus architecture. Compared with the prior art, the application has the advantages of flexibly meeting the needs according to the changes of load access and the like.

This invention discloses a multi-zone controlled heating device for an electrode hot water boiler, relating to the field of electrode hot water boiler technology. It includes a partition and a synchronization assembly. A column is fixed to the top surface of the partition, and a fixing frame is mounted on the outer side of the column. Fixed shielding sleeves are fixedly connected to both ends of the fixing frame, and electrode columns are arranged inside the fixed shielding sleeves. An insulating sleeve is mounted on the top of each electrode column. The synchronization assembly is located in the middle of the partition and includes a protective cover. A protective cover is also mounted on the bottom of the partition. This invention uses a multi-level shielding structure composed of fixed and movable shielding sleeves to achieve graded shielding of the electrode columns. The spacing between the shielding structures increases progressively from bottom to top, gradually increasing the effective conductive exposure area of ​​the electrode columns along the water flow direction. This allows for gradual gradient heating of the electrolyte solution flowing from bottom to top, ensuring the water temperature rises steadily to the set temperature and significantly improving heating uniformity and efficiency.

The utility model discloses a hollow arch board for building construction, including board main body, and board main body is integrally extruded by light material, the board main body is as a whole arch structure, and is equipped with arch toe on both sides, the board main body is hollow structure, and is equipped with a plurality of webs inside, and the web divides the board main body inside into multiple continuous rectangular, triangle or trapezoidal hollow cavities, the utility model discloses integrally extruded by light material such as PVC or aluminum alloy, has reduced the dead weight of board significantly, and the board is as a whole arch structure, and then combines the web set up inside, has formed the stable mechanical structure, can effectively disperse pressure, has avoided the problem that the bending stiffness of flat plate structure is low and can not satisfy the bearing demand.

The utility model relates to the technical field of downflow evaporation cold technology, and specifically provides a downflow integrated evaporation cold all-in-one machine, adopts the structural form of half coil pipe half filler to integrate upper and lower box bodies, a fan, a water spraying system and the like into an integrated device, which is different from the downflow evaporation cold structure of the past upper and lower split body, the all-in-one machine is designed according to the integral type, cancels the bottom frame structure, reduces product cost, forms an advantage in price, the filler is detachable, maintenance is convenient, is equipped with multiple small diameter fans (8 level motors), within the energy-saving range stipulated in the new national standard, can select primary or secondary energy efficiency motor according to customer demand, conforms to the development demand of the high-quality direction of the industry energy saving, water saving, high efficiency, low noise and the like. The appearance of the all-in-one machine is planned and designed according to the size of a container, satisfies the overseas market demand, is compact in structure, saves installation space, and is reliable in operation.

The utility model discloses a sealed tray box, the child side piece includes the child upper tube, child lower tube of welding in the upper and lower ends of child connecting plate, two child baffle are welded in the both sides of child upper tube and child lower tube respectively, and the nut is welded on two child baffles, the female side piece includes the female upper tube, female lower tube of welding in the upper and lower ends of female connecting plate, two female baffles are welded in the both sides of female upper tube and female lower tube respectively, and the child side piece and female side piece are extruded and connect through child connecting plate and female connecting plate, and the bolt is in proper order through female baffle, child baffle and nut thread connection. The utility model discloses can effectively avoid the defect that the sealing strip viscosity is insufficient, needs to replace regularly, plays better sealing effect, through the extrusion connection and bolt fastening structure of child side piece and female side piece, has guaranteed the connection stability of the each component of box body, effectively prevents the sealing failure problem of vibration during transportation.

The application discloses a rack of an unmanned aerial vehicle and the unmanned aerial vehicle. The rack of the unmanned aerial vehicle comprises a frame structure and at least two tubular structures. The frame structure comprises an upper support plate, a lower support plate, an outer side plate and an inner side plate. The upper support plate and the lower support plate are arranged at intervals. The outer edge of the upper support plate is connected with the outer edge of the lower support plate through the outer side plate. The inner side plate is connected between the upper support plate and the lower support plate and is arranged at intervals on the inner side of the outer side plate. Each tubular structure is assembled on the frame structure and extends from the inner side plate to the outer side plate. The rack provided by the application can improve the carrying capacity of the aircraft.

The invention belongs to the technical field of containers, and particularly relates to a bulk cargo ship large vehicle loading and transporting method and system. Comprising the following steps: S1, carrying out layout planning according to the size and cabin space of a to-be-transported large vehicle; s2, a telescopic corner column folding box and a platform box are prepared, and a local reinforcing structure is arranged in the middle of the bottom of the telescopic corner column folding box; s3, according to the actual height of the vehicle, the corner columns of the telescopic corner column folding box are adjusted to the adaptive height and opened; s4, the two telescopic corner post folding boxes are hoisted and positioned to preset positions on a bottom plate of a cabin of the bulk cargo ship; s5, the vehicle is hoisted to the telescopic corner post folding box in a straddling mode; s6, the platform box is hoisted to the top of the telescopic corner post folding box; and S7, secondary binding and fixing are conducted through an iron chain. The transportation range of large vehicles is expanded, operation is easy, and loading is convenient.

This utility model provides a prestressed precast roof slab structure for a subway station, comprising: a precast slab and a reinforcing steel assembly. The precast slab consists of a lower slab and an upper slab, with staggered layers formed between the edges of the lower and upper slabs. The reinforcing steel assembly is disposed inside the precast slab and consists of a first longitudinal reinforcing steel bar, a second longitudinal reinforcing steel bar, transverse reinforcing steel bars, vertical reinforcing steel bars, a central reinforcing steel bar, and embedded reinforcing steel bars. This application uses a precast slab and reinforcing steel assembly to construct a precast roof slab structure. By integrally casting the precast slab and arranging multiple longitudinally and transversely distributed reinforcing steel bars inside, its structural strength can be effectively improved. Simultaneously, the arc edges and grooves on the edges of the precast slab facilitate subsequent concrete filling, ensuring the compactness of the precast slab edges. The combination of longitudinal and transverse reinforcing steel bars improves the structural strength of the precast roof slab, and the ends of the reinforcing steel bars are easily fixed with wire, ensuring the stability of the reinforcing steel arrangement and facilitating subsequent concrete pouring, thus improving the performance of the precast roof slab.

The utility model belongs to net covering hook welding equipment, and particularly relates to a traction device of a net covering hook welding machine. Comprising a front stand column and a rear stand column which are distributed on the two sides of the front end and the rear end of a material conveying channel, the front stand column and the rear stand column are in sliding fit with the synchronous and adjustable interval through a connecting frame and a movable frame, and the movable frame is in reciprocating fit with a main rack in the direction perpendicular to the material conveying channel; the air cylinder drives the front stand column and the rear stand column to do synchronous reciprocating motion in the material conveying direction through the crank-link mechanism and the linkage rod, the stroke of the crank-link mechanism is matched with the length of the main rib net unit grid and the auxiliary rib net unit grid, and self-resetting traction hooks are assembled on the inner sides of the front stand column and the rear stand column and fixing rods arranged on the outer side of the front stand column at intervals. The utility model effectively overcomes the problems of inaccurate transmission ratio, weak bearing capacity and the like in the prior art, and has the advantages of accurate transmission ratio, capability of processing net racks with different thickness specifications, convenience for realizing rapid standardized operation and the like.

The present application relates to a kind of ship moon pool cover installation process, moon pool cover is installed in the upper and lower sides of ship moon pool, including the upper moon pool cover of the upper side of ship moon pool and the lower moon pool cover of the lower side of ship moon pool;Ship moon pool cover installation process includes the following steps: the installation of upper moon pool cover, including the installation of upper moon pool cover accessory, the installation of connecting bolt, cover positioning and the welding procedure of lower base;The installation of lower moon pool cover, including the installation of lower moon pool cover accessory, the installation of lower moon pool cover and the installation procedure of dock pier;Tightness test.The ship moon pool cover installation process in the present application, while meeting the load requirement of upper moon pool cover, can also reduce the amount of steel of upper moon pool cover, and simplify the structure style of upper moon pool cover, facilitate the manufacture and disassembly of upper moon pool cover, while lower moon pool can meet the 10m water pressure requirement, and lower moon pool cover can meet the use of ship own crane and be hoisted from moon pool cabin to ship deck.

The utility model relates to automatic loading technology field discloses an automatic loading machine, including control system, robot platform, the top fixed mounting of robot platform has material robot, the mechanical arm end of material robot installs a pair of pneumatic sucking disc for grabbing material, the front side of robot platform is provided with movable support, installs telescopic conveyor on movable support, is provided with the material platform for stacking material on the robot platform of material robot both sides, the power drive mechanism of material robot, pneumatic sucking disc, movable support and telescopic conveyor is connected with control system signal respectively. The utility model through automatic clamping and the mode of feeding, solved artificial operation, realized automatic operation, reduced the labor cost, avoided forklift in the goods sent to the container, extremely easy to cause the risk that personnel receives forklift or forklift goods extrusion.

The utility model relates to a rail cab apron which comprises a main body frame, an anti-skid panel embedded in the main body frame and fixed bottom corners arranged at the four corners of the bottom of the main body frame. The main body frame is a rectangular frame formed by welding hollow profiles on four sides, and a supporting beam is arranged in the rectangular frame; a clamping groove is formed in the upper end of each fixed bottom corner, and the section bars at the four corners of the main body frame are clamped to the fixed bottom corners; a fixed connecting part is arranged at the outer end of the lower part of each fixed bottom corner, and the fixed connecting parts are connected with a rail steel rail through fasteners; lighting, alarming and protecting units are arranged on the peripheral side walls outside the main body frame; the rail cab apron solves the problem that a sight blind area is generated during operation of a traditional cab apron, the operation condition of personnel above the cab apron and the operation condition of personnel at the bottom of a pit can be visually observed, and potential safety hazards generated during cross operation are prevented; compared with an existing cab apron, the service life is prolonged, the operation safety coefficient is improved, the personnel operation risk is reduced, and the operation security function is fundamentally achieved.

The utility model discloses a drawing plate suitable for various vehicle types, which relates to the technical field of conveying, logistics transportation and loading, and comprises a tongue plate, a rack, an upper roller and a roller component II, the tongue plate comprises an upper plate with an angle, a vertical plate, a lower plate, a vertical plate, a roller assembly I, a gasket, a mandrel I and a cotter pin; wherein the side face of the upper plate is fixedly connected with the vertical faces of the vertical plates, the upper face of the lower plate is fixedly connected with the lower face of the upper plate, the multiple vertical plates are distributed on the lower face of the upper plate, the first roller assembly is connected with the first mandrel, the first roller and the second roller can rotate along the first mandrel and the second mandrel respectively, and rubber-coated roller design is adopted for the first roller and the second roller. The bearing of the pulling plate on the carriage plate is reduced, on one hand, the rigidity of the whole pulling plate can be improved, on the other hand, the obstacle crossing capacity of the whole pulling plate can be improved, and the pressure on the carriage plate is also reduced.

The utility model relates to the field of fire prevention and suppression devices suitable for road vehicle battery packs, in particular to a battery pack nitrogen protection device, a power battery system and a new energy vehicle. The battery pack nitrogen protection device comprises a molecular sieve nitrogen making device, the molecular sieve nitrogen making device comprises a tank body and a molecular sieve arranged in the tank body, the tank body is connected with an air end three-way connector, one of the other two connectors of the air end three-way connector forms a gas inlet used for being connected with a high-pressure gas source, and the other connector of the air end three-way connector forms a gas outlet used for being connected with a high-pressure gas source. The other one forms an oxygen outlet for discharging oxygen-enriched gas in the tank body, the air end three-way joint is provided with an electromagnetic valve for controlling switching and opening of the gas inlet and the oxygen outlet, and the tank body is further provided with a nitrogen supply port for supplying nitrogen to the battery pack. The battery pack nitrogen protection device disclosed by the utility model can meet the loading requirement. Compared with separation membrane nitrogen-making equipment, the effect of reducing the cost of a nitrogen protection system is achieved by using the molecular sieve to make nitrogen.

This utility model discloses a vibration assembly and a high-frequency vibration curing device for soft soil, relating to the field of vibration compaction technology. It includes: at least one vibrating rod connected in series, each end of which has a matching first internal thread groove and a first external thread section. A first electrode interface, capable of electrical connection through contact, is provided between the bottom of the first internal thread groove and the top of the first external thread section. The first electrode interface is used to rotate a centrifugal rotor inside the vibrating rod. An insulating protective sleeve is connected to the end of the vibrating rod and is used to enclose the first internal thread groove or the first external thread section at the end of the vibrating rod. Using this solution, water and soil can be separated sequentially in the silt layer and soil layer using a specific vibration frequency and arrangement of the vibrating rods, achieving efficient and economical soft soil foundation treatment.

The utility model relates to the technical field of building construction, in particular to a prefabricated split beam integrated connecting structure. Comprising a split beam and a beam end box pile cap used for being connected with the split beam, limiting grooves matched with the split beam and used for bearing the end of the split beam are formed in the side faces of the beam end box pile cap, the beam end box pile cap comprises a horizontal bearing face used for bearing the end of the split beam, and a bottom steel plate is embedded in the horizontal bearing face of the beam end box pile cap; a connecting steel plate is pre-embedded in the end part of the split beam and is fixedly connected with the bottom steel plate. Combination of the detachable prefabricated parts is achieved through structural matching of the split beams of the split structure and the beam end box pile caps, the prefabrication rate is improved, and meanwhile the requirements for hoisting and transporting are reduced.

The utility model discloses a kind of concrete distributing machine supporting foot support structure and supporting device, belong to building construction technical field.A kind of concrete distributing machine supporting foot support structure, it includes support frame, adjusting screw rod, support frame connecting rod, support frame includes the top plate and bottom plate of rectangle, multiple support skeletons are fixedly connected between top plate and bottom plate, cross brace is fixedly connected between support skeleton, reinforcing angle is respectively fixed in the upper portion four side positions of top plate, the bottom plate bottom four corner positions of support frame are respectively fixedly connected with a vertically arranged adjusting screw rod, adjusting screw nut is threadedly connected on adjusting screw rod, the lower portion of each adjusting screw rod is movably sleeved with a support frame connecting rod.The utility model can make that distributing machine support is completely independent of the reinforcing mesh of structure to be poured, formwork, distributing machine construction load can be directly transmitted to scaffold foundation, is no longer by reinforcing bar, formwork stress, avoid the security and quality problem brought by distributing machine load acting on reinforcing bar, formwork.

The utility model discloses a heat preservation and sound insulation floor for assembly type construction, including the upper concrete layer, heat preservation and sound insulation layer and lower concrete layer that set gradually from top to bottom, heat preservation and sound insulation layer is equipped with special composite material truss mesh for connecting upper and lower concrete layer and transmitting vertical pressure, and lower concrete layer is factory prefabricated reinforced concrete layer, is provided with floor bottom layer steel bar, and upper concrete layer is the on -the -spot pouring concrete layer, is provided with floor surface layer steel bar. The utility model adopts multilayer composite structure, and organically combines heat preservation and sound insulation layer and structure layer, can effectively solve the problem of insufficient heat preservation and sound insulation performance of the existing assembly type floor, improves the heat preservation and sound insulation performance between building floors under the premise of not increasing cost and process complexity degree significantly, provides more comfortable, energy -conserving living environment for the user.

This invention provides a chassis frame, a center beam chassis, and a rail vehicle, comprising a center beam body, two buffer beams, and two sleeper beams. Buffer beams are connected to one and two ends of the center beam body, respectively. The two sleeper beams are connected to the center beam body perpendicular to its direction and located between the buffer beams and the bogie. The bottom surface of the sleeper beams extends outward and upward from the central axis. The chassis frame provided by this invention adopts a structure combining the center beam body, sleeper beams, and buffer beams. The extension directions of the sleeper beams and buffer beams are perpendicular to the center beam body, increasing the longitudinal load-bearing capacity of the center beam body and meeting the load-bearing requirements of the train. The continuous structure of the center beam body facilitates adaptation to the bogie interface dimensions, meets the bogie interface installation requirements, improves installation convenience, and ensures the overall performance of the rail vehicle.