58results about How to "Improve transition efficiency" patented technology

The invention discloses a rail transfer device. The device comprises a traveling mechanism comprising steel wheels, a first gyration mechanism connecting a saddle beam and the driving mechanism, a first gyration driving mechanism and a jacking-up mechanism, wherein the first gyration mechanism can rotatablely connect the traveling mechanism and the saddle beam; the first gyration driving mechanism can drive the driving mechanism to rotate relative to the saddle beam; the jacking-up mechanism is a jacking-up hydraulic cylinder comprising a cylinder body and a piston; the cylinder body and the saddle beam are relatively fixed; the outer end of the piston is provided with support legs; when the piston of the jacking-up hydraulic cylinder extends out, the support legs can jack the saddle beam up; and the device also comprises a grasping mechanism capable of grasping movable rails. In addition, the invention also discloses a rail transfer connecting device, a rail-type gantry crane transfer system and a transfer method thereof. The rail transfer device provided by the invention can realize the automation of transfer operation and improve the working efficiency of the transfer operation.

The invention provides a full-scale-movement linear circulating accelerated loading test system. The full-scale-movement linear circulating accelerated loading test system comprises a machine frame, a guide rail, two or more rolling wheel sets and two chain transmission pairs, wherein a front walking and guiding wheel and a back walking wheel are fixed to the lower part of the machine frame through a lifting mechanism; the guide rail is arranged on the machine frame; the upper loading surface of the guide rail is a linear section; the lower loading surface of the guide rail is shaped like a boat bottom; the two ends of the upper loading surface and the lower loading surface are connected in smooth transition through curved sections; the guide rail adopts a box-type structure and is internally filled with a shock-absorbing material; each rolling wheel set comprises two loading wheels and a rolling wheel; the rolling wheel is positioned between the two loading wheels and is coaxial with the loading wheels. The full-scale-movement linear circulating accelerated loading test system adopts a design scheme that the chain transmission pairs drive the rolling wheel sets, a chain and the rolling wheel sets are assembled together through chain pin shafts and connecting components, and the axes of wheel axles of the rolling wheel sets are vertical to and intersected with the longitudinal centerline of the chain; the full-scale-movement linear circulating accelerated loading test system is simple in structure, high in reliability and low in using cost and maintenance cost; the distance from the loading wheel to the rolling wheel is small, the stress condition is good, noise is low, and the efficiency is high.

The invention discloses an LED epitaxial growth method for improving radiation recombination efficiency. The method sequentially comprises the steps of processing a substrate, growing a low-temperature buffer layer GaN, growing an undoped GaN layer, growing a Si-doped N-type GaN layer, growing a multi-quantum well layer, growing an AlGaN electron blocking layer, growing a Mg-doped P-type GaN layerand cooling, wherein the step of growing the multi-quantum well layer sequentially comprises the sub-steps of growing an InGaN transition layer, growing an InGaN well layer, growing a doped gradientSiN layer, growing a doped gradient MgN layer, growing a GaN barrier layer doped with Mg in a linear gradient mode and growing an InAlN layer. According to the method, the problems of low quantum wellgrowth quality and low quantum well radiation recombination efficiency in the existing LED epitaxial growth method are solved, so that the luminous efficiency of the LED is improved.

The invention discloses an efficient quayside container transfer method and system. The transfer method includes unshipping, evacuation of cargoes from a port, transition, entrance and shipping. The transfer system comprises more than one quay crane, a ferry crane and a stereoscopic transtainer, the quay cranes are arranged on a quayside rail a, the ferry crane is arranged below one sides, away from the shore line, of the quay cranes, and the stereoscopic transtainer is arranged on one side, away from the shore line, of the ferry crane. Compared with the prior art, the method and the system have the advantages that through the container transfer method, container loading, unloading and transition efficiency can be effectively improved, and production, manufacture and use cost of the container transfer system is lowered; the process of quick evacuation of the cargos from the port and port entrance of the containers can be realized through a quick channel; longitudinal transfer of the containers can be realized through automatic rail cars; besides, usage quantity of container trucks is reduced, and the problem that the container trucks easily jam on a container yard road is solved.

A multiphoton absorption functional material including one of: fine particles of metal, and fine particles partly coated with the metal, the metal generating enhanced surface plasmon field on a metal surface, wherein the fine particles or the fine particles partly coated with the metal are dispersed in a multiphoton absorption material, and wherein the multiphoton absorption functional material is a bulk body.

The invention discloses a novel shore container transfer method and transfer system. The transfer method includes unshipping, evacuation of cargoes from a port, transition, admission and shipping. The transfer system comprises more than one container shore bridge, ferry bridges and three-dimensional transtainers, the container shore bridges are parallelly arranged on a rail a of a wharf shore, each ferry bridge is arranged below one side of the corresponding container shore bridge far away from a coastline, and each three-dimensional transtainer is arranged on one side of the corresponding ferry bridge far away from the coastline. Compared with a traditional technology, the container transfer method not only can effectively improve loading, unloading and transition efficiency of containers, but also can reduce production, manufacture and service costs of the shore container transfer system, the containers can be rapidly evacuated from the port or enter the port through a fast channel, and the containers can be longitudinally transferred through an automatic rail car. Besides, usage of trucks is decreased, and the problem that the trucks are easily jammed on a storage yard road is solved.

The invention belongs to the technical field of road building machinery, and in particular, relates to a novel kerb mold sliding machine. The novel kerb mold sliding machine comprises a machine body, and a material conveying device, a material forming device, a power device, a walking device, a leveling device, a lifting device and a traction device arranged on the machine body. The novel kerb mold sliding machine is characterized by further comprising a remote control device arranged on the machine body, a steering device, and a high-pressure cleaning device arranged on the traction device. The novel kerb mold sliding machine has the characteristics of high efficiency and convenience for disassembly, and has the advantages of convenience for steering control, self-adaptive lifting control and convenience for cleaning.

The invention discloses a mast device for a rotary drilling rig. The mast device comprises a cathead, an upper mast hinged with the cathead, a middle mast hinged with the upper mast, an automatic cathead folding mechanism and an automatic upper mast folding mechanism, wherein the automatic cathead folding mechanism comprises a first folding oil cylinder arranged between the cathead and the upper mast; and the automatic upper mast folding mechanism is a connecting rod connecting device with a crank sliding block and two rockers. The cathead and the upper mast of the mast device can be automatically folded when the rotary drilling rig is used for transfer transportation, so that the mast device is conveniently assembled and disassembled by a user, time and labor are saved, and the transfer efficiency of the rotary drilling rig is greatly improved. The invention also discloses the rotary drilling rig with the mast device.

A crawler-type travelling chassis comprises a travelling crane frame (1), crawler assemblies (2), support leg components (4) and support leg swing cylinders (5), wherein the crawler assemblies (2) are parallelly arranged on two sides of the travelling crane frame (1), the support leg components (4) are combined with the crawler assemblies (2), and the support leg swing cylinders (5) are used for driving the support leg components (4) to swing around a hinged shaft. The crawler-type travelling chassis is characterized in that a guide beam (6) is symmetrically arranged on the travelling crane frame (1) and comprises two beams (61 and 62), the two beams are mutually nested together and horizontally extend towards the left side and the right side, the crawler assemblies (2) parallelly arranged on the two sides of the travelling crane frame (1) are respectively combined with two ends of the guide beam (6) horizontally extending towards the left side and the right side by respectively matching a shaft and a hole, chassis telescopic cylinders (3) are arranged among the travelling crane frame (1) and the crawler assemblies (2) and used for driving the crawler assemblies to longitudinally displace and move along the guide beam, and the support leg components (4) are bilaterally symmetrically arranged on the outer side surfaces of the crawler assemblies (2).

The invention relates to a scanning device and a transition method thereof. The scanning device includes an arm stand (1) which is provided with multiple detectors and is used for forming an inspection channel, a first cabin (3) which is internally provided with a ray source and is connected with the arm stand (1), a protection wall (2) which is connected with the first cabin (3) or the arm stand(1) and is used for performing ray protection for a to-be-protected object, and a tire used for making the scanning device to move relative to the ground, wherein the arm stand (1), the first cabin (3) and the protection wall (2) are set to transport together in a connection state. The scanning device is advantaged in that when the scanning device needs transition, the link of re-mounting at the inspection site can be omitted, the dismounting time can be shortened, transition efficiency is improved, protection wall re-establishment and protection wall civil engineering works in the inspectionsite can be avoided, and the scanning device can be quickly put into work after being transported to the inspection site.

The invention relates to a scanning device and a transition method thereof. The scanning device includes an arm stand (1) which is provided with multiple detectors and is used for forming an inspection channel, a first cabin (3) which is internally provided with a ray source and is connected with the arm stand (1), a protection wall (2) which is connected with the first cabin (3) or the arm stand(1) and is used for performing ray protection for a to-be-protected object, and a tire used for making the scanning device to move relative to the ground, wherein the arm stand (1), the first cabin (3) and the protection wall (2) are set to transport together in a connection state. The scanning device is advantaged in that when the scanning device needs transition, the link of re-mounting at the inspection site can be omitted, the dismounting time can be shortened, transition efficiency is improved, protection wall re-establishment and protection wall civil engineering works in the inspectionsite can be avoided, and the scanning device can be quickly put into work after being transported to the inspection site.

The invention discloses a structure transiting from a coplanar waveguide to a slot line and applied to a multi-layer circuit. The structure is characterized in that an open stub is arranged on the coplanar waveguide on the upper surface of a dielectric substrate, a first metal strip and a second metal strip are arranged on the lower surface of the dielectric substrate, and metal through holes are formed in two ends of each of the first metal strip and the second metal strip, so that the first metal strip and the second metal strip are communicated with metal earth plates on the upper surface of the dielectric substrate. On the basis of traditional transition from the coplanar waveguide to the slot line, the structure is improved, circuit planarization is realized, the circuit can be integrated into a multi-layer circuit structure, and the structure has the better transition characteristic.

The invention discloses an LED epitaxial growth method, which sequentially comprises the steps of processing a substrate, growing a low-temperature GaN buffer layer, growing a non-doped GaN layer, growing a Si-doped N-type GaN layer, growing a multi-quantum well layer, growing an AlGaN electronic barrier layer, growing a Mg-doped P-type GaN layer, and cooling. Wherein the growth of the multi-quantum well layer sequentially comprises the steps of In-doped pretreatment, InGaN well layer growth, Ga2O3 pre-growth, Ga2O3 layer growth, annealing treatment, GaN gradient layer growth and GaN barrier layer growth. According to the method, the problems of low quantum well growth quality and low quantum well radiation recombination efficiency in the existing LED epitaxial growth method are solved, so that the luminous efficiency of the LED is improved.

The invention discloses a folding arm support for a truss arm crawler crane. The folding arm support comprises an upper arm section and a lower arm section which are connected with each other through a middle section, wherein the middle section comprises an upper part and a lower part which are rotatably connected with each other; the upper arm section and the lower arm section are fixedly connected with the upper part and the lower part of the middle section respectively; connection structures between the upper arm section and a platform as well as the lower arm section and the platform at least comprise a first pulling plate arranged between the upper arm section and the platform and a second pulling plate arranged between the lower arm section and the platform; the lower ends of the first pulling plate and the second pulling plate are connected with a main variable-amplitude steel rope respectively; and the first pulling plate comprises an upper part internal pulling plate and a lower part internal pulling plate which are connected with each other. The folding arm support can successfully realize folding after working, so the gravity center is reduced, running of the whole arm support is realized, the arm support can be folded without being landed, running stability is enhanced, safety during transferring is guaranteed and transferring efficiency is improved.

The invention discloses a crane boom structure, and belongs to the technical field of cranes. The crane boom structure comprises a crane body and a telescopic main arm hinged to the rear side of the crane body. A derricking cylinder I is hinged between the front side surface of the first section of the lower portion of the telescopic main arm and the crane body. A superlift is further hinged to the front side surface of the first section of the lower portion of the telescopic main arm. A superlift derricking cylinder II is hinged between the superlift and the first section of the lower portionof the telescopic main arm. The upper end of the telescopic main arm is hinged to a tower arm. The front side of the tower arm is hinged to a tower arm supporting frame. A sway bar is connected between the tower arm supporting frame and the tower arm. A winch is installed on the superlift. The crane body is connected with a derricking steel wire rope. The other end of the derricking steel wire rope sequentially winds around the outer end of the superlift and the outer end of the tower arm supporting frame and then is connected to the winch. Through the foldable crane boom structure, the procedures of detaching and installing a derricking jig, lifting and lowering the derricking jig, detaching and installing a hook and penetrating the steel wire rope and using an auxiliary conveying vehicle are omitted in the transferring process, the transferring cost is greatly lowered, and the transferring efficiency is improved.

The invention discloses a self-mounting three-cylinder combined multistage variable amplitude device, and belongs to the technical field of engineering hoisting machinery. The self-mounting three-cylinder combined multistage variable amplitude device comprises a boom, an auxiliary jib, a variable amplitude main cylinder and auxiliary displacement cylinders, wherein one end of the variable amplitude main cylinder is hinged to the boom; the other end of the variable amplitude main cylinder is detachably hinged to the auxiliary jib; one ends of the auxiliary displacement cylinders are hinged to the boom; rollers are mounted at the other ends of the auxiliary displacement cylinders; wedge-shaped guide rails and roller clamping grooves are fixed on the variable amplitude main cylinder; when theauxiliary displacement cylinders stretch out, the rollers are propped against the wedge-shaped guide rollers; and when the auxiliary displacement cylinders retreat, free ends of the auxiliary displacement cylinders enter the roller clamping grooves. According to the self-mounting three-cylinder combined multistage variable amplitude device, requirements of small mounting interval and large span are met, 0-90-degree large-angle automatic rotation of the auxiliary jib is achieved, the auxiliary jib is automatically mounted without external hoisting equipment, an automatic locking fixing function of the variable amplitude main cylinder is achieved, the variable amplitude device is prevented from swinging / shaking in high air, stability and safety of the auxiliary jib are improved, and hoisting precision is improved.

The invention relates to the field of engineering machinery, in particular to a base plate and a crane. The base plate comprises a first plate and a second plate which are arranged in a spaced mode, acontaining space is formed between the first plate and the second plate, the containing space is used for containing self-lifting supporting legs or forward-pulling supporting legs, an arc concave face is arranged on the side, facing the second plate, of the first plate, and the arc concave face is used for abutting against the self-lifting supporting legs or the forward-pulling supporting legs arranged in the containing space. According to the base plate and the crane, the bearing capacity can be improved, and the base plate lifting capacity can be enhanced.

The invention relates to a quick-detachable pin shaft structure for connecting a guide holder with a pedestal of a large-size drilling machine. The quick-detachable pin shaft structure comprises a base, a screw shaft and a male seat connected with the guide holder. The male seat is located inside the base. The screw shaft transversely penetrates through an inner hole of the base and an inner hole of the male seat. A female connector shaft sleeve is installed in the inner hole of the base and located on the two sides of the male seat. A male connector shaft sleeve is installed in the inner hole of the male seat. Threads in the different directions are arranged in outer circle faces of the two ends of the screw shaft, and nut shaft sleeves with the outer sides being tightly attached to the female connector shaft sleeve and the male connector shaft sleeve are symmetrically connected to the outer circle faces of the two ends of the screw shaft through the threads. The outer side wall of each nut shaft sleeve is in a conical shape. The inner circle face of the female connector shaft sleeve and the inner circle face of the male connector shaft sleeve are provided with conical faces matched with the nut shaft sleeves. The quick-detachable pin shaft structure for connecting the guide holder with the pedestal of the large-size drilling machine is reasonable and ingenious in structure, capable of being locked through the inclined faces, convenient to dismantle and not prone to rusting.

The invention discloses an LED epitaxial wafer manufacturing method suitable for a small-spacing display screen. The method sequentially comprises the steps of: treating a substrate, growing a low-temperature GaN buffer layer, growing a non-doped GaN layer, growing a Si-doped N-type GaN layer, growing a multi-quantum well layer, growing an AlGaN electron blocking layer, growing a Mg-doped P-type GaN layer, and carrying out cooling. The step of growing the multi-quantum well layer sequentially comprises the steps of introducing a TMIn source, growing an MQWs1 and growing an MQWs2, the step of growing the MQWs1 comprises the steps of sequentially growing an InGaN well layer and an In<x>Al<y>Mg<1-x-y> layer, and the step of growing the MQWs2 comprises the steps of sequentially growing a GaO layer and a GaN barrier layer. The wavelength blue shift is reduced and the brightness of an LED is improved by adopting a novel LED epitaxial wafer manufacturing method, and the method is particularly suitable for manufacturing a small-spacing display screen.

The invention discloses a bridge erecting machine transition system. The system comprises a bridge erecting machine and a transportation device. The bridge erecting machine comprises a main guide beam, front supporting legs, a middle support, a rear support, rear supporting legs and a crown block, the front supporting legs, the rear support, the middle support and the rear supporting legs are sequentially installed on the main guide beam, and the crown block is arranged at the top of the main guide beam. The transportation device comprises a main beam transporting vehicle and an auxiliary beam transporting vehicle, the middle support is borne on the main beam transporting vehicle, and the front supporting legs are borne on the auxiliary beam transporting vehicle. The invention further discloses a bridge erecting machine transition method. According to the bridge erecting machine transition system and the bridge erecting machine transition method, the whole bridge erecting machine is slowly transported to the destination through the power of the main beam transporting vehicle and the auxiliary beam transporting vehicle, the bridge erecting machine does not need to be disassembled and then assembled, the bridge erecting machine assembling and disassembling risk can be reduced, and the transition efficiency is improved.

The present invention discloses an all-terrain walking structure based on a 10kV hot-line work platform, which comprises a traction structure and an auxiliary structure. The traction structure comprises a pressure bearing box, a pressure bearing plate, a crawler walking structure, two storage racks, a clamping rod, two limiting frames and two moving motors, and the crawler walking structure is fixedly arranged at the bottom of the outer wall of the pressure bearing box. The working ports are formed in the two sides of the outer wall of the pressure bearing box. In the invention, through the traction structure, stable assistance of the crawler walking structure can be realized by arranging the pressure bearing plate. In the subsequent special field process, due to a complicated working environment, auxiliary traction is quickly realized and the transition efficiency is improved in a mountainous region and a working environment with a relatively large slope. In the subsequent use process, when efficient steering is needed, the pressure bearing box is assisted to steer through the rotating plate, the telescopic air cylinder and the rotating motor, and the use convenience is improved.

The invention relates to a crane transferring method which comprises the following steps: the vehicle body part of a crane is jacked until a guide rail wheel with a variable flange structure, for balancing a trolley, of the crane is completely separated from a track; subgrade boxes are paved to a target construction site; for each subgrade box, a cover plate of each subgrade box covers a groove, and therefore a rigid platform is formed; the flange structure of the guide rail wheel with the variable flange structure is retracted, and therefore the guide rail wheel with the variable flange structure can be adjusted into a structure without flange; the direction of the guide rail wheel with the variable flange structure is adjusted to be consistent with the transferring direction of the crane; the vehicle body part of the crane is dropped, and therefore the guide rail wheel with the variable flange structure makes contact with the subgrade boxes; the crane walks on the rigid platform in the transferring direction to the target construction site. The crane transferring method overcomes the defects of long dismounting cycle and serious mechanical wear of the traditional crane in the transferring process and effectively solves the problem of difficult crane transferring.

The invention discloses a controllable counterweight system of a crawler crane. The controllable counterweight system comprises main pulling plate devices, auxiliary pulling plate devices, an extending supporting frame device and a controller. A super-lift mast and a luffing device are hinged to the upper ends of the main pulling plate devices, and a small mast is hinged to the lower ends of the main pulling plate devices. A tension sensor is arranged on each main pulling plate device. Each auxiliary pulling plate device comprises an auxiliary combined pulling plate and a telescopic unit. The super-lift mast and the luffing device are hinged to the upper ends of the auxiliary combined pulling plates. The upper end of a telescopic piece of each telescopic unit is hinged to the lower end of the corresponding auxiliary combined pulling plate. The lower ends of the telescopic pieces of the telescopic units are connected with a supporting frame of the extending supporting frame device. A hinge pin sensor is arranged on each auxiliary pulling plate device. The extending supporting frame device comprises the supporting frame used for placing of a counterweight mechanism. The supporting frame is connected with a main platform of the crawler crane. Data are transmitted to the controller through the tension sensors and the hinge pin sensors. The extending and retracting of the telescopic pieces are controlled by the controller. According to the controllable counterweight system of the crawler crane, the safety and reliability of the crawler crane are improved.

The invention discloses a rotary drilling rig. The rotary drilling rig comprises a drill rod and masts, the drill rod is arranged on the mast, two connecting parts of two ends of the drill rod and themasts are separately close to the first ends and the second ends of the masts; the masts comprises the first mast and the second mast, the end of the first mast and the end of the second mast are rotatably connected, the first mast and the second mast rotate relatively to enable the first mast to be in straight line butt-joint with the second mast, and the height of the first ends and the secondends can be reduced to achieve the reduction of height of the drill rod. According to the rotary drilling rig, the drill rod is not required to be disassembled in the transition process, the workloadof the transition is reduced, the efficiency of the transition is improved, a plurality of transport vehicles are not required to transport the rotary drilling rig, and the transportation cost is reduced.

The invention relates to the method for converting pomfret larva biological bait into pellet feed. The method comprises the following steps that according to the larva oral fissure width, the best pellet feed feeding time starting point is determined, and starting from the pellet feed feeding time starting point, opening mixed feed accounting for 2% the wet weight of fresh bait is mixed into the wheel animalcule fresh bait; at the 15-day-old to 25-day-old age, the addition proportion of the opening mixed feed is increased by 0.5 time on the basis; at the 26-day-old to 35-day-old age, the addition proportion of the opening mixed feed is increased by one time on the basis; at the 36-day-old to 45-day-old age, the addition proportion of the opening mixed feed is increased by 2 times on the basis; at the 46-day-old to 55-day-old age, the addition proportion of the opening mixed feed accounts for 50% of the daily intake bait mass ratio; at the 56-day-old to 60-day-old age, only the opening mixed feed is fed. The conversion efficiency of the pomfret larva biological bait into the pellet feed can be improved, and finally the pomfret larva cultivating survival rate can be increased.

The embodiment of the invention provides a carrying device, a site transfer control method, electronic equipment and a storage medium, and relates to the technical field of building equipment. The device comprises a navigation positioning module and a chassis control mechanism, wherein the navigation positioning module is used for planning a walking path according to received map point cloud datato conduct navigating and positioning according to the walking path, the chassis control mechanism comprises a vehicle body frame, a steering control unit, a driving unit and a walking unit, and the steering control unit, the driving unit and the walking unit are arranged below the vehicle body frame; and the steering control unit is used for steering control according to the walking path, and thedriving unit is used for providing power for driving the walking unit and conducting site transfer according to the walking path. The device can be used for carrying a building robot and other devices and assisting the building robot to achieve site transfer, so that the problem that an existing building robot cannot achieve stie transfer automatically, and the problems of low automation degree,low transportation efficiency and additional labor cost caused by adopting artificial site transfer are solved.

The invention provides a multi-quantum-well structure, a growing method and an LED chip with the structure. The multi-quantum-well structure comprises a plurality of groups of structure units which are overlaid in sequence. Each structure unit comprises a potential well layer and a GaN layer which is formed on the surface of the potential well layer. Each potential well layer comprises at least one gradual-change XGaN layer. The In doping concentration in each gradual-change XGaN layer gradually changes toward the corresponding GaN layer, and X is In or Al. According to the multi-quantum-well structure in the LED chip, the gradual-change XGaN layers with gradual-change In doping content and constant XGaN layers with constant X doping content grow, the two kinds of layers are overlaid and then are used as XGaN layers, so that the distribution center axes of holes and electrons in a multi-quantum well are overlapped, the transition efficiency of the electrons to the holes is improved, and accordingly the light-emitting efficiency of the LED chip is improved.

The invention belongs to the technical field of road construction machinery, and specifically relates to a curb slipform machine, which includes a body, and a material conveying device, a material forming device, a power device, a walking device, a leveling device, a lifting device, The traction device is characterized in that the curb slipform machine also includes a remote control device, a steering device and a high-pressure cleaning device disposed on the traction device. The curb sliding form machine of the present invention has the characteristics of high efficiency and convenient disassembly, and has the advantages of convenient steering control, self-adaptive control of lifting and convenient cleaning.