30results about How to "Small load change" patented technology

The invention provides a soybean milk machine to solve the contradiction between the material smashing effect and cleaning of the existing soybean milk machine and the problem that the consistency of the smashing effect is hard to guarantee. A non-closed small-space smashing cover is arranged at the lower part of a head lower cover; a cutter body is positioned in the non-closed small-space smashing cover; a water pumping part which enables water in a cup body to move into the non-closed small-space smashing cover during rotation is arranged on the cutter body; the non-closed small-space smashing cover is provided with at least one material inlet formed in the bottom and a plurality of material inlets; a material block part for returning a material to the cutter body is arranged at the lower part of the non-closed small-space smashing cover. Smashing of materials is divided into two steps of intensive smashing in a small space and cyclic smashing, so that the material smashing effect is greatly enhanced, and the consistency of the smashing effect is guaranteed; meanwhile, the small-space smashing cover is more convenient to clean, so that the contradiction between the material smashing effect and cleaning is solved.

A mobile crusher (2) is provided that can be displaced on four caterpillars and that includes a supporting frame (20), a large hopper (31), an apron conveyor (32), a sizer (34) and an intermediate conveyor (36) for use in strip-mining. The material is received by the shovel (1) of a shovel excavator or a wheel loader, is fed to the crusher (2), crushed and is then transferred onto a conveyor plant via a discharge conveyor system. The crusher (2) has to follow at the same cycle in which the shovel excavator moves forward during an advance in mining. In order to obtain a good maneuverability of the crusher (2), the two front caterpillars (22) are driven and can be steered like a two-caterpillar chassis. As the crusher (2) is subject to high loads, all components have to have a robust design. For this purpose, the individual functional groups are accommodated in a stable supporting frame (20). The crushed material is transferred onto a subsequent bench conveyor via an evolving conveyor directly connected to the mobile crusher (2), a transfer conveyor or a mobile bridge. The plant can be displaced while under full useful load.

The invention belongs to the technical field of machine manufacturing and particularly relates to a large-swing angle gantry type five-axis linkage serial-parallel machine tool. The large-swing angle gantry type five-axis linkage serial-parallel machine tool overcomes the shortcomings that the swing angles of tools of traditional numerically-controlled machine tools and existing parallel / serial-parallel machine tools are limited and the flexibility is poor and the rigidity and the accuracy are low in the process of machining thin and long integral structural parts. The large-swing angle gantry type five-axis linkage serial-parallel machine tool comprises a long and straight guide rail and a parallel machining module; the parallel machining module forms a spatial parallel closed loop mechanism; the parallel machining module realizes two-dimensional movement of a mobile platform in the XZ plane and two-dimensional rotation of a rotation shaft in the plane of the mobile platform through four input drive, input drive enabling the parallel machining module to slide in the Y axis direction is added in the Y axis direction of the parallel machining module, and therefore the mobile platform of the parallel machining module can realize five-axis linkage movement. The large-swing angle gantry type five-axis linkage serial-parallel machine tool has the advantages that the structure is simple, the work space is large, the flexibility of the mobile platform is good, the rigidity and the accuracy are high, the change of drive loads in the Y axis direction is small, the dynamic property is good, the reconfigurability is high and the modularization degree is high.

The invention belongs to the technical field of multi-axis linkage devices, and specifically relates to a five-axis linkage hybrid machine tool, which solves the disadvantages of traditional CNC machine tools and existing hybrid machine tools in processing slender integral structural parts. It includes a long straight guide rail and a parallel module. The parallel module includes a basic platform, a moving platform and each branch chain connected between the basic platform and the moving platform. Each part forms a spatial parallel closed-loop mechanism. The parallel module moving platform can realize Two-dimensional movement in the XZ plane and two-dimensional rotation of the rotating axis in the plane of the moving platform. The parallel module is installed on a long straight guide rail along the Y-axis direction, and an active slide is added in the Y-axis direction to enable the parallel module to slide along the Y-axis direction. drive. The invention combines the advantages of traditional series machine tools and parallel machine tools, and has the advantages of large working space, high stiffness, high precision, small change in driving load in the Y-axis direction, good dynamic performance, strong reconfigurability and high degree of modularization, and can realize Five-axis simultaneous machining of complex and slender integral structural parts.

The cloud computing resource allocation method supporting emergencies of the present invention includes: a). Obtaining user resource application information including user priority, resource demand urgency, resource application quantity and configuration; b). Calculating user resources Assign priority; c). Obtain the resource information of the available physical server; d). Calculate the resource utilization rate of the physical server; e). Establish a virtual machine with the best performance matching, the shortest provisioning time of the virtual machine, and the smallest change in the overall load of the platform Objective function and constraints; f). Establish a mapping relationship between virtual machine requests and physical servers; g). Perform resource allocation. The cloud computing resource allocation method of the present invention uses a multi-objective optimization algorithm to obtain a set of solutions through the established multi-objective functions and constraints, and selects a solution as a mapping scheme to realize the optimal deployment of virtual machines. At the same time, the allocation method has the function of supporting emergencies, and emergency users can be allocated first.

The present invention relates to an air conditioner electronic expansion valve control method. It is characterized by that it can utilize temperature variable quantity of compressor and condenser to regulate opening angle of electronic expansion valve. Besides, said invention also provides the concrete steps of said control method.

The invention discloses an electrochemical polishing device and an electrochemical polishing method using the same. In the electrochemical polishing process, the calculation is performed according to the voltage change feedback of a power supply; the corresponding swing of a swing arm connected with a second nozzle is controlled according to the calculation result; and the position of the second nozzle relative to a first nozzle is adjusted along the edge of a wafer, so that the resistance in an electrical polishing loop is always kept in an original value state, the load change is low, the problem of difficult process control caused by polishing voltage change in the electrochemical polishing process can be prevented, the in-wafer uniformity after polishing is effectively improved, and the process interruption probability caused by high voltage is reduced.

The invention relates to a method for producing an olefin. In the method, a reaction feedstock stream is formed that contains at least one paraffin, oxygen and water, and a part of the paraffin and ofthe oxygen is converted into the olefin in the reaction feedstock stream, wherein a process gas is obtained through oxidative dehydrogenation using a catalyst, the process gas contains at least the non-converted part of the paraffin and of the oxygen, the olefin and the water from the reaction feedstock stream. According to the invention, at least one characteristic value is determined that displays an activity of the catalyst, and an amount of water in the reaction feedstock stream is set based on the at least one determined characteristic value. The invention also relates to a correspondingplant (100).

An optical element position control mechanism includes an optical element holding member which holds an optical element of a photographing system and is guided in an optical axis direction; a drive mechanism for moving the optical element holding member in the optical axis direction; and a biasing device including an arm which is swingable about a swing axis, the swing axis being substantially orthogonal to the optical axis, and the arm extending substantially orthogonal to the swing axis and having a free end portion which engages with the optical element holding member to bias the optical element holding member in the optical axis direction.

The invention discloses a method and system for hydrogenation treatment of residual oil in a fixed bed which can be rotated. In this method, the first hydrogenation pretreatment reactor is connected in series with the second hydrogenation pretreatment reactor as an online hydrogenation pretreatment reactor, when the pressure drop in the first hydrogenation pretreatment reactor rises to the pressure drop design upper limit Or when the catalyst activity is lower than the requirement, cut out the first hydrogenation pretreatment reactor and as off-line hydrogenation pretreatment reactor, then press the second hydrogenation pretreatment reactor and the third hydrogenation pretreatment reactor in parallel, The third hydrogenation pretreatment reactor is connected in parallel with the first hydrogenation pretreatment reactor, and the sequence of the first hydrogenation pretreatment reactor and the second hydrogenation pretreatment reactor being connected in series is switched, thereby realizing that there are two hydrogenation pretreatment reactors The treatment reactors are online at the same time, and through multiple cycle rotations, uninterrupted hydrogenation pretreatment reactions can be realized. The method can improve the utilization efficiency of the main catalyst and the stability of the device operation, and greatly prolong the operation time of the hydrogenation reactor.

The invention belongs to the technical field of mechanical production and manufacturing, and particularly relates to a novel four-freedom degree parallel machine tool, and solves the problems that theswinging angles of a conventional numerically-controlled machine tool and an existing parallel / series parallel machine tool cutter are limited, and during processing long and thin integral structuralmembers or processing curved surface type workpieces of which the removing capacity is high, the flexibility is poor, and the rigidity and the precision are low. The novel four-freedom degree parallel machine tool comprises a long and straight guide rail of a machine tool and a parallel processing module, wherein the parallel processing module forms a space parallel closed loop mechanism; and through four input driving, two-dimensional moving of a moving platform in the YZ plane of a machine tool coordinate system and two-dimensional rotating of a rotating shaft in an upper plane of the moving platform of the machine tool are realized by the parallel processing module, so that four-freedom degree movement of the moving platform of the parallel processing module is realized. The novel four-freedom degree parallel machine tool disclosed by the invention has the advantages of being simple in structure, large in working space, high in rigidity precision, good in dynamic performance, highin reconfigurability and the like; and the moving platform is good in flexibility, and driving load in Y-axis direction is small in changes.

The invention provides a soybean milk making method of a soybean milk maker, and aims to solve the problems of a contradiction between the material smashing effect and the cleaning easiness of the existing soybean milk maker and difficulty in guaranteeing the consistency of the smashing effect. According to the soybean milk maker, a non-closed small-space smashing cover is arranged at the lower part of a lower machine head cover; a cutter body is positioned in the non-closed small-space smashing cover; a water pumping part capable of rotating to make water in a cup body move towards the non-closed small-space smashing cover is arranged on the cutter body; the non-closed small-space smashing cover is provided with at least one bottom material inlet and a plurality of material outlets; only such a material with the maximum size less than 8 mm is allowed to pass through each material outlet. The soybean milk making process of the soybean milk maker comprises two stages: namely intensive smashing and cyclic smashing. According to the soybean milk making method, smashing of materials is divided into intensive smashing in a small space and cyclic smashing, so that the material smashing effect is greatly enhanced, and the consistency of the smashing effect is guaranteed; meanwhile, the small-space smashing cover is more convenient to clean, and the contradiction between the material smashing effect and the cleaning easiness is solved.

The invention belongs to the technical field of vehicle power drive, and relates to a regenerative braking stepless transmission for vehicles. A hydraulic accumulator, an electromagnetic switch valve, a variable pump-motor and a variable motor-pump are used for performing power transfer and conversion, confluence and shunting, so that the stepless transmission with the regenerative braking function is formed. The driving force generated from regenerative braking can start engines and drive the vehicles. The stepless transmission enables the engines or electric motors to be mainly operated in areas with the optimal economic working condition, the installed power of the engines is reduced, the volume of a power transmission system is reduced, the efficiency of the power transmission system is improved, and at the same time, the regenerative braking function is achieved. The structure of the regenerative braking stepless transmission is compact, the cost of the transmission system is reduced, the supported technology is mature, and the regenerative braking stepless transmission is suitable for buses, passenger vehicles, trucks, engineering machinery and the like, and has wide application fields and market prospects.

The invention relates to an adaptive soybean milk making machine which comprises a machine head, a cup body, a motor, a pulverizing tool, a pulverizing hood and a control device, wherein the machine head is buckled on the cup body; the motor is electrically connected with the control device; the motor drives the pulverizing tool to rotate; the pulverizing tool is positioned in the cup body; the pulverizing hood is fixed on the machine head and comprises a material inlet and a material outlet; the material outlet of the pulverizing hood comprises more than one slot / hole, and the wall edge forming each slot is flexible; the material outlet extrudes the wall edge to adjust the size of each slot / hole in a soybean milk making process; the area of each slot / hole is S; the deformation range of each slot / hole is from 0 to 3S. Compared with the prior art, the adaptive soybean milk making machine disclosed by the invention has the advantages that materials with large particle sizes can extrude the slots / holes in a pulverizing process to make the slots / holes deformed; therefore, the materials with large particle sizes can be successfully discharged from the material outlet, and cannot block the material outlet; the material circulation is smoother, so that the pulverizing efficiency is improved.

The invention discloses a method and system for hydrogenation treatment of residual oil in a fixed bed which can be rotated. In the method, a hydroprocessing reaction zone, a hydroprocessing reaction zone and a catalytic cracking reaction zone are included; the hydroprocessing reaction zone includes first, second and third hydroprocessing reactors; the first, The second hydrogenation pretreatment reactor is connected in series as an online hydrogenation pretreatment reactor. When the pressure drop in the first hydrogenation pretreatment reactor rises to the design upper limit of the pressure drop or the catalyst activity is lower than the requirement, the first hydrogenation pretreatment reactor is cut off. Hydrogen pretreatment reactors, and then switch in the order of the second and third hydrogenation pretreatment reactors in parallel; the third and first hydrogenation pretreatment reactors in parallel; the first and second hydrogenation pretreatment reactors in series . The method can realize long running time without stoppage, and ensure reasonable and limited number of rotations, improve the utilization efficiency of the hydrotreating main catalyst and the stability of device operation, and greatly prolong the running time and work efficiency of the hydrotreating reactor.