52results about How to "Solve load problems" patented technology

The invention discloses a variable heat source model-based non-circular-profile workpiece high-speed grinding temperature prediction method. The method comprises the steps of collecting the power andtemperature data of a non-circular-profile workpiece during the high-speed grinding process; establishing a variable heat source distribution model for non-circular-profile grinding; based on the variable heat source distribution model and the non-circular curved-surface grinding heat source loading method, carrying out temperature finite element simulation on the non-circular-profile workpiece during the high-speed grinding process; based on a heat distribution ratio calculation method for the surface temperature of the workpiece, correcting the heat flux density. According to the invention,aiming at the high-speed grinding process of the non-circular-profile workpiece, the variable heat source distribution model and the heat distribution ratio calculation method for non-circular-profilegrinding are established, and a heat source loading method suitable for non-circular contour grinding temperature simulation is provided. The heat source loading problem for the non-circular curved surface is solved. Meanwhile, the temperature field of each grinding arc zone during the high-speed grinding process of the non-circular contour workpiece can be accurately predicted. Compared with theprior art, the method is simple to operate, strong in applicability and high in accuracy.

The invention discloses a lifting, conveying, loading and unloading device for hole digging of underground pipe gallery vertical shaft. The lifting, conveying, loading and unloading device comprises the vertical shaft, an unloading area, supporting frames, a lifting, conveying and unloading cross beam, an electric hoist and a loading hopper. The supporting frames are arranged on the upper portion of the vertical shaft. The lifting, conveying and unloading cross beam is arranged on the tops of the supporting frames. The electric hoist is arranged on the lifting, conveying and unloading cross beam and connected with the loading hopper through a steel wire rope. The unloading area isolated from the vertical shaft is arranged on the supporting frames. The lifting, conveying, loading and unloading device for hole digging of the underground pipe gallery vertical shaft has the advantages that the problem of earthwork outward transporting during excavating of an urban underground pipe gallery tunnel is solved, the difficult problem that a loading machine is needed to cooperate with a transporting car to load during loading and unloading of earthwork previously is solved through perpendicular and horizontal movement of the monorail electric hoist, the device is especially suitable for excavating of the urban tunnel and a subway with narrow construction fields, and investment is reduced.

The invention belongs to the technical field of aviation and relates to a rotating and connecting structure of an aircraft radome. The rotating and connecting structure mainly comprises a radome (1), a rack wheel (2), a pinion (3), a speed reducer (4), a hydraulic motor (5), a support seat (6), an overturning bearing (7), a transition part (8), a bolt (9), a bolt (10), a bracket (11) and a reinforcer (12). The overturning bearing of an inner gear is arranged in the radome, and a load of the radome is transferred to a bearing inner ring and then transferred to the bracket by virtue of drive of the hydraulic motor, so that a large-size and large-inertia radome rotating function and load transferring are achieved. The rotating and connecting structure is simple, good in force transmission characteristic and light in weight, adopts rotating driving, and adopts a rotating driving, connection and installation method of the aircraft radome. Rotating of the radome can be achieved, the load of the rotating radome is transferred to the bracket, and the problems of large-inertia rotating and load transferring are solved.

The invention discloses an intranet-type load balancing implementation method based on Openstack and a storage medium, which belong to the field of cloud computing and computer networks. The technicalproblem to be solved by the invention is how to realize lightweight intranet type load balancing with simple deployment and low operation and maintenance cost based on openstack. The adopted technical scheme is as follows: the method comprises the following steps: a plurality of back-end servers in the same vpc of a public cloud are virtualized into a high-availability back-end server group; thenaccording to a scheduling mode specified by the application, a network request from a client is distributed to a back-end server group; meanwhile, a load balancing service management network is created on the openstack platform; the openstack platform issues related configuration of the load balancing instance to the load balancing instance of the LB node through the load balancing service management network; a Linux virtual machine of nginx and keepalived open source software is installed on an LB node, the nginx is used for carrying out load balancing on flow, and the keepalived is used forachieving high availability of a main node and a standby node.

The invention relates to the technical field of 3D movies and televisions, in particular to a pair of 3D glasses with which a user can watch a movie conveniently. The pair of 3D glasses is low in mass, can be conveniently used by audiences who wear myopia glasses or presbyopic glasses. A wearing unit of the 3D glasses is of an annular structure used for being worn on the head of a wearer, the wearing unit is connected to one end of a connecting unit, the other end of the connecting unit is connected with a lens unit, the lens unit comprises two lens bodies, blue light can be transmitted through one lens body, and red light can be transmitted through the other lens body. An existing common loading mode is changed by the wearing mode that the pair of 3D glasses is worn on the head of the wearer through the wearing unit, the load of the pair of 3D glasses to the bridge of the nose is not increased any longer, the burden of the wearer, particularly the user who wears the myopia glasses or presbyopic glasses is reduced, the pair of 3D glasses does not need to be fixed to the myopia glasses or presbyopic glasses any longer, fatigue caused when the wearer watches the 3D movie is relieved, and the load and fixation problems brought when the user wears the 3D glasses are solved.

The invention relates to a shaft seal of a centrifugal coal slurry pump of a coal water slurry gasification device. For overcoming the defect that a mechanical seal of a centrifugal low-pressure coal slurry pump in the prior art is not long in service life and cannot completely prevent external flushing water from flowing into the pump, three to five spacing rings are added on a back blade and blades of an auxiliary impeller of the shaft seal to weaken harmful radial flows in a flowing channel and increase a blocking lift of high-viscosity coal slurry. An external area of an auxiliary impeller cavity is a large-specific-gravity coal slurry ring, an internal area of the auxiliary impeller cavity is a small-specific-gravity oil ring, and the interface of the two areas is obvious and stable. PLAN23 single-end-face mechanical seal and an improve liquid seal tank are adopted to enable the auxiliary impeller cavity, a mechanical seal cavity and the liquid seal tank to be communicated, it can be monitored that the coal slurry is away from the mechanical seal in a central control room and a field, long service life is ensured, and external flushing water is not needed completely during normal operation. The shaft seal is suitable for the centrifugal coal slurry pump of which the conveying solid content is 58-61 wt% and the viscosity is 700-3000 mPa.s and is also suitable for other high-viscosity centrifugal pumps with high conveying solid content.

The invention discloses an electronic cash credit for load system and method for a highway toll charging lane. The system includes a data transmission network which includes an electronic non-stop toll collection top up module, an electronic cash credit for load module, a highway toll charging lane module, an electronic wallet card account and a highway toll charging system. The electronic non-stop toll collection charging module is intended for establishing a top up virtual account and receiving online top up by a highway passing client. The electronic cash credit for load module is intended for establishing a mapping relation between the electronic wallet card account and the top up virtual account and conducting credit for load on a user's highway access card which matches a corresponding top up virtual account. The highway toll charging lane module is intended for transmitting an online credit for load request of the electronic wallet card account. Top up amount of money returned by the electronic cash credit for load module is written to the electronic wallet card account. According to the invention, the system and the method can conduct credit for load transaction at all highway toll terminals, ensure user asset safety, have a wide application range and are easy and fast to apply.

The invention discloses a self-balancing type all-terrain bomb hanging vehicle. The self-balancing type all-terrain bomb hanging vehicle comprises a self-balancing type bomb carrying platform, a compound lifting mechanism and a vehicle body structure, wherein the self-balancing type bomb carrying platform comprises an upper platform and a lower platform; a sensor module and a support track are arranged on the upper platform; flexible adjustable supports are arranged on the support track; a pitching control servo motor, an inclined control servo motor and a computing control module are arranged on the lower platform; the self-balancing type bomb carrying platform is connected with the vehicle body structure through the compound lifting mechanism; the vehicle body structure comprises a vehicle body platform and a crawler type chassis; a lifting control servo motor, a lifting control switch and a power module are arranged on the vehicle body platform; the vehicle body platform is arranged on the crawler type chassis; the support track is arranged in the middle of the upper platform; and the flexible adjustable supports are respectively arranged at two ends of the support track. The self-balancing type all-terrain bomb hanging vehicle is high in adaptability and high in bomb hanging efficiency.

The invention provides a virtual power plant regulation and control method and device based on the 5G technology. The method comprises: configuring priorities according to the power utilization requirements and regulation and control time delay requirements of power grid users; deploying 5G network slices corresponding to the priorities for the power grid users in a communication system of the virtual power plant; obtaining load information of each power grid user in the virtual power plant through the 5G network slice; analyzing whether the current power grid is in an electricity peak periodaccording to the load information, and generating a regulation and control instruction in combination with the priority of the power grid user if the current power grid is in the electricity peak period; and issuing a regulation and control instruction through the 5G network slice, and executing load regulation and control operation on the power grid user according to the regulation and control instruction. The transmission rate of the regulation and control instruction issued by the virtual power plant is improved through the 5G communication technology, so that the load problem of a power grid user is solved in time, a high-reliability and low-time-delay virtual power plant regulation and control instruction transmission function is realized, and a guarantee is provided for safe operation of a power grid.

The invention relates to a photosimulation carrying device with a rotatable light source and a method thereof. The photosimulation carrying device comprises a carrying plate, concentric wire passing pipes, rotating assemblies, LEDs, female headers, pin headers, fastening screws, screws and wires; the carrying plate is a rectangular universal plate with the concentric wire passing pipes; the concentric wire passing pipes enable the wires to pass through to be connected with the positive and negative electrodes of the LEDs; the LEDs with four different wavelengths are welded to the bottom of the cross-shaped rotating assemblies, the needed LEDs are rotated to designated positions, and the rotating assemblies are fixed through the fastening screws; the pin headers, the female headers and the wires are used as a conduction circuit for lightening the LEDs; the photostimulation carrying device is fixed to the head of a carp through the screws. According to the photostimulation carrying device, the problem of carrying a device for stimulating a carp robot by using LED light with different wavelengths is solved, the LED with the required wavelength can be rotated to a specified position, brain injury to animals caused by replacement of the device can be reduced, a light-operated experiment can be carried out more conveniently, and the photostimulation carrying device can be applied to control of movement of aquatic animal robots stimulated by the light with the different wavelengths.

This invention discloses a customization network service structure containing a related file format of network service, explains of the service mode and definition of the operation and communication mode including: a service search display utilizing a basic program code structure to provide a standard for registering and searching said network service under such structure, a service provider providing the network service defined by said code structure and displaying the content on the display for searching and a service demander utilizing said code structure and said base program code belongs to that of non-XML high compatible Vc, Vb or C