RIGID CONNECTING DEVICE FOR CONNECTING UPPER AND LOWER INTERNAL SURFACES OF OIL TANK AND PRODUCTION METHOD FOR OIL TANK

A rigid connecting device for connecting upper and lower internal surfaces of an oil tank, comprising a connecting rod (1). The upper and lower sides of the connecting rod (1) are both provided with a connecting end face (2). A feeding hole (3) is arranged on the connecting end face (2). The outside of the rigid connecting device is coated with high-density polyethylene. The rigid connecting device is reasonable and compact in structural design, has high freedom in appearance design, and can meet the performance requirement of high pressure resistance of the oil tank. The connection between the upper and lower surfaces is achieved by the connecting rod; the rigid connecting device has more effective space when used in local regions with poor rigidity in the fuel oil tank. The part in contact with the fuel oil can well meet the requirements of strength and corrosion resistance.

Method for improving clear layering of warp yarns of warp rebeaming machine

The invention discloses a method for improving clear layering of warp yarns of a warp rebeaming machine. The warp rebeaming machine is mainly used for layering the warp yarns through a yarn separating mechanism. The yarn guide structures are arranged into two layers, the yarn guide holes are formed in the yarn guide structures, the yarn guide holes in the yarn guide structures of the upper layer and the lower layer are arranged in a staggered mode, and warps on a sizing beam penetrate through the yarn guide holes and then are connected into the doubling structure; warp yarns on the whole yarn guide structure are layered in an up-and-down staggered mode through the guide holes in the yarn guide structure which is arranged on the upper layer and the lower layer in a staggered mode, the warp yarns are divided into two layers, and the adjacent warp yarns on the same layer are separated by a certain distance, so that the warp yarns are prevented from being mutually staggered and wound together ...

TWO-SHEET PARISON EXTRUSION PLANAR OPENING MOLD DEVICE AND A MOLDING METHOD USING SAME

A two-sheet parison extrusion planar opening mold device includes a core rod (1), a mold core (6), a mold sleeve (3), shearing devices (4), a flow divider (5), and a connecting device (2). A first-stage parison passageway (7) is formed between the outer side of the connecting device (2) and the inner side of the mold sleeve (3). The shearing devices are arranged at the upper portion of the branching device symmetrically. The bottom of the flow divider is configured as a hollow cavity structure. The core rod drives the vertical movement within the cavity of the mold core, the gap between the mold core and the mold sleeve being adjusted by means of this movement. The overall structure of the device is simple and the existing axial wall thickness control system can continue to be used without reconfiguration of equipment. A molding method using the planar mold device is disclosed.

Combination valve

The invention provides a combination valve which comprises an upper valve cover, a valve body and a lower valve cover, the upper valve cover is arranged outside the upper portion of the valve body, and the lower valve cover is arranged outside the lower portion of the valve body. The upper valve cover is provided with an exhaust passage, the upper part of the valve body is provided with a first exhaust port and a second exhaust port which are communicated with the exhaust passage, the lower part of the valve body is provided with a ventilation passage, and the ventilation passage is communicated with the first exhaust port and the second exhaust port; the lower valve cover is provided with a penetrating hole used for communicating the oil tank and the ventilation channel, a first floater and a second floater are arranged in the ventilation channel, and the first floater is provided with a first position for blocking the first exhaust port and a second position far away from the first exhaust ...

HOLLOW BODY MOLDING AID AND MOLDING METHOD

A hollow body molding aid and a molding method; the molding aid comprises a main body (100), a connection body (500), a first copying assembly (200), a second copying assembly (300), and a positioning mechanism; the connection body (500) is fixedly connected to the main body (100); the first copying assembly (200) is fixedly arranged on a side of the main body (100) and is used for positioning a half of a reinforcement housing; the second copying assembly (300) is fixedly arranged on the other side of the main body (100) and is used for positioning the other half of the reinforcement housing; and the positioning mechanism is provided on the first copying assembly (200) and the second copying assembly (300). The described hollow body molding aid and molding method may achieve the positioning of the reinforcement housing so as to ensure the molding quality of the reinforcement housing and a blank. In addition, the position of the reinforcement housing in a molding cavity may be accurately ...

MOLDING METHOD FOR A DUCTED BODY WITH INTERNAL ACCESSORY

A molding method for a ducted body with internal accessory (7) comprises the following steps: 1) firstly, setting the internal accessory (7) on the fixing bar (8) of the internal accessory; 2) closing the stretching mechanism (5); 3) blanking, tubular blank (2) being extruded from the top end and descending slowly when the stretching mechanism (5) is completely closed; 4) in course of the descending of the blank (2), the stretching mechanism (5) opening and forming an opening for the passing of the internal accessory (7); 5) ascending the internal accessory (7), the internal accessory (7) ascending to the final position through the opening and completing the ascending process of the internal accessory (7), 6) closing the clamping boards (4), completing the pre-blowing process by pre-blowing the blank (2); 7) half closing the mold (1-1，1-2); 8) the fixing bar (8) of the internal accessory exiting from the mold mechanism; 9) completely closing the mold (1-1，1-2); 10) high pressure blowing ...

HIGH-PRESSURE COMPOSITE CONTAINER, MANUFACTURING PROCESS AND MOLDING DIE

A high-pressure composite container, a manufacturing process and a molding die, wherein the container comprises a plastic liner (100), a metal end (200), a metal collar (300) and a fiber composite material layer (400). A bottle mouth (110) is provided on the plastic liner (100); the metal end (200) is fixedly sleeved on the bottle mouth (110), a through hole (230) is provided on the metal end (200), and the through hole (230) communicates with the bottle mouth (110); the metal collar (300) is provided between the plastic liner (100) and the metal end (200); and the fiber composite material layer (400) fixedly covers outer side surfaces of the plastic liner (100) and the metal end (200). By means of providing the metal collar (300), the present high-pressure composite container, manufacturing process and molding die ensure seal tightness between the metal end (200) and the plastic liner (100), and prevent high-pressure gas from seeping from the connection position of the bottle mouth (110 ...

ICV structure of fuel tank

... 本实用新型涉及种燃油箱的ICV结构，所述ICV结构包括阀体，所述阀体下端连接有止回阀，所述阀体的上端设置有胶管连接端，所述阀体上设置有U型槽，所述阀体上设置有熔接面，所述熔接面上设置有凸起熔接线。该技术方案在油箱吹塑成型的过程中采用种特殊的方法实现在油箱预成型后将特殊的ICV结构与油箱壁进行连接，实现更加可靠的ICV与油箱的连接性能以及更加低的碳氢化合物的排放的目标。 ...

HOLLOW BODY FORMING DIE AND HOLLOW BODY FORMING METHOD

Disclosed are a hollow body forming die and a hollow body forming method. The forming die comprises a left and a right half die (1), wherein the bottom of the left half die (1) is provided with a left avoidance groove (9), the bottom of the right half die (1) is provided with a right avoidance groove (9), a left bottom sliding block (2) is provided in the left avoidance groove (9), a right bottom sliding block (2) is provided in the right avoidance groove (9), and the left and right bottom sliding blocks (2) constitute a sliding block set. The design of the die solves the problem that a hollow body with a built-in component formed by an existing traditional process has a process hole. The hollow body forming method has the advantages of a short forming period, a high production efficiency, good combination between the built-in component and an inner wall of a fuel tank, and a high positional stability. According to the hollow body forming method, the process hole will not be formed, a subsequent ...

Battery pack box body and battery pack

The invention provides a battery pack box body and a battery pack, the battery pack box body comprises a bearing frame and a cooling assembly, the bearing frame comprises a frame and a connector assembly, the connector assembly is connected with the frame, the frame is provided with a flow guide channel, the connector assembly is communicated with the flow guide channel, the cooling assembly is connected with the bearing frame, and the cooling assembly comprises a channel plate and a cooling plate. A cooling channel is defined by the channel plate and the cooling plate, the channel plate is provided with a connecting pipe communicated with the cooling channel, and the connecting pipe is connected with the connector assembly in an inserted mode so that the flow guide channel can be communicated with the cooling channel, the battery pack box body is lightened, and meanwhile the structural strength and the sealing performance of the battery pack box body are improved. Therefore, the strength ...

Soil gas quantitative passive detection system based on balance principle and use method

The invention discloses a soil gas quantitative passive detection system based on a balance principle and a use method. The passive detection system comprises a detection well and one or more passive soil gas detection assemblies with different lengths, wherein the passive soil gas detection assemblies are inserted into the detection well; the detection well comprises a well hole, a plurality of clean quartz sand filter material gas guide layers are laid in the well hole, a clean bentonite barrier layer is laid between every two clean quartz sand filter material gas guide layers at intervals, and a well mouth sealing layer is arranged at the top of the well hole; the passive soil gas detection assembly comprises a detection tube and a sampler, the sampler is detachably mounted in the center of the detection tube, the whole structure is simple, the use is convenient, the sampling cost is reduced, and the sampling efficiency is improved; according to the use method, a VOCs concentration calculation ...

SUPPORTING ASSEMBLY FOR HOLLOW TANK BODY AND METHOD FOR MOLDING HOLLOW TANK BODY

A supporting assembly for a hollow tank body, comprising a support (2) and supporting ends (1) provided at both ends of the support; the supporting ends are provided thereon with stepped transition assemblies (4) connected to the support, the support is constructed to be a hollow structure. The support comprises a supporting body (5) and a base (6); the supporting body is constructed to be a cylindrical structure, or a cylinder having a corrugated structure in the middle. This invention, by means of the structure of the supporting assembly, can resist the deformation of the hollow tank body, which occurs under high overpressure and low negative pressure, and improve the stability of the shape of the whole product; moreover, the structure of the supporting assembly consumes less material, is light in weight, and low in cost.

Pilot-operated type flue gas switching valve

The invention relates to a pilot-operated type flue gas switching valve, and belongs to the technical field of sintering process flue gas system auxiliary equipment. According to the technical scheme, a guide hopper (17) and a valve plate (15) which are arranged up and down are arranged in a valve body (14); the air cylinder (4) is fixed to the valve body (14), a piston rod (6) of the air cylinder (4) is rotationally connected with one end of the connecting short shaft (7), the other end of the connecting short shaft (7) is rotationally connected with the crank (8), the upper end of the crank (8) is connected with the valve plate shaft (16), the valve plate (15) is fixed to the valve plate shaft (16), and the two ends of the valve plate shaft (16) are rotationally connected to the valve body (14). The upper end of the pilot pipe (11) is communicated with a guide hopper (17) on the upper portion of the valve plate (15), the lower end of the pilot pipe (11) is communicated with a valve body ...

ELECTRIC CONTROL VALVE AND FUEL SYSTEM

Provided are an electric control valve and a fuel system. The electric control valve comprises a housing (1), a first sealing member (3), a second sealing member (4), and a motor (2); the housing is provided internally with a first chamber (11), a second chamber (12), and a third chamber (13), the first chamber (11) being in communication with the second chamber (12) by means of a first vent port (15), the first chamber (11) being in communication with the third chamber (13) by means of a second vent port (16), and the second chamber (12) being in communication with the third chamber (13); the first sealing member (3) is provided in the first chamber (11) and is used for closing or opening the first vent port (15); the second sealing member (4) is provided in the third chamber (13) and is used for closing or opening the second vent port (16); and a driving portion of the motor (2) abuts against the first sealing member (3) and is used for driving the first sealing member (3) to move, so ...

MOLDING METHOD OF BLOW-MOLDING HOLLOW TANK BODY WITH BUILT-IN COMPONENT AND PRE-MOLDING TEMPLATE DEVICE

... a molding method of blow-molding a hollow tank body with a built-in component is provided. the method molds the hollow tank body by molding the sheet parisons (18,19) in the half molds (3,4). after the moving cooperation of the half molds (3,4), an expanding mechanism of a pre-molding template device, the template half plates (1,2) and the bases (8,9), the half molds (3,4) are respectively leaned against the closed template half plates (1,2), and the sheet parisons (18,19) are leaned against the half molds (3,4) by blowing and/or sucking so as to be pre-molded. The tank body is molded after placing the component into it. a pre-molding template device is also provided. an expanding mechanism and the template half plates (1,2) are mounted on the bases (8,9), and the bases (8,9) are mounted on a rail bracket (7), the bases (8,9) are driven by a power device to move on the rail bracket (7). The invention reduces the product cost, enhances adaptability to the uneven sheet parisons, increases ...

Drawing force testing device for steel ball guide rail type intermediate shaft

The utility model discloses a drawing force testing device for a steel ball guide rail type intermediate shaft, which comprises a drawing mechanism arranged at the upper part, a yoke pressing mechanism arranged at the lower part, a bedplate arranged in the middle, a guide rail angle adjusting mechanism, a horizontal push-out cylinder and a pressing mechanism, the horizontal push-out cylinder is fixedly arranged on the bedplate, and the pressing mechanism is arranged on the guide rail angle adjusting mechanism. The pressing mechanism is connected with the movable end of the horizontal push-out air cylinder and comprises a plurality of sets of pressing air cylinders and pressing tools which are evenly arranged on the same horizontal circumference at intervals, the movable end of each set of pressing air cylinder is connected with the corresponding pressing tool, and the front end of each pressing tool is provided with an inwards-concave jaw and faces the same circle center. The middle shaft ...

Pneumatic floating ball valve of heavy -calibre low voltage driving

... 本实用新型属于机械自动化技术领域，具体涉及一种大口径低压驱动气动浮动式球阀。该大口径低压驱动气动浮动式球阀包括阀体、安装在阀体内的球体、与球体连接并用于驱动球体旋转的气动执行器，其改进之处是：气动执行器为双作用气缸，双作用气缸的驱动气源压力0.6Mpa至0.8Mpa。通过使用本实用新型的在保证了产品性能的同时也大大提高了球阀的工作效率，并且所需驱动气源的压力小，适用性强。 ...

Low-resource Lao speech synthesis method based on fine-grained rhythm modeling

The invention relates to a low-resource Lao speech synthesis method based on fine-grained rhythm modeling, and belongs to the field of natural language processing. Aiming at the problems that Lao voice resources are extremely scarce, and a traditional neural network voice synthesis method based on Tacotron2 is difficult to train sufficiently under the condition of extremely low resource corpus, so that a model attention mechanism is disrupted, and synthesized audio lacks fluency and naturalness, the invention provides a neural network voice synthesis method based on Lao. The invention provides a low-resource Lao speech synthesis method based on fine-grained rhythm modeling. The method mainly comprises two parts of preprocessing Lao speech synthesis data and Lao speech synthesis based on fine-grained rhythm modeling. According to the method provided by the invention, tone features in Lao audio and Lao character granularity are extracted to pre-train a language model, granularity features ...

METHOD FOR FORMING TWO-PIECE BLOWED HOLLOW BOX BODY WITH AUXILIARY MALE DIE

The present invention relates to a method for forming a two-piece blowed hollow box body with an auxiliary male die, comprising the following steps: 1) cropping a two-piece parison; 2) closing a half mould of a die and a preforming template; 3) an auxiliary male die on the preforming template prestretching a fusing parison; 4) performing internal high-pressure blowing, and preforming a two-piece shell; opening the die so that the preforming template exits; 6) moving in an assembly building-in mechanism to connect the built-in assemblies; 7) moving out the assembly building-in mechanism; 8) closing the die for the second time and finally forming the hollow box body by blowing; and 9) opening the die to take out the product. In the present invention, during preforming by closing a half mould of a die and a preforming template, by using an auxiliary male die, the parison is stretched to a large range in an auxiliary manner; therefore, a plastic fuel tank with a high extension ratio and uniform ...

SUPPORT FOR CONNECTING UPPER AND LOWER SURFACES INSIDE FUEL TANK

The present invention relates to a support for connecting upper and lower surfaces inside a fuel tank, said support comprising a connecting column, upper and lower sides of the connecting column both being provided with an end surface, the end surfaces being coated with plastic, the connecting column being provided with notches, the number of connecting columns being at least one, the end surfaces being coated with plastic, the connecting column being arranged in an I, H, M or W shape, or in another shape. The technical solution ensures strength, but also breaks easily during a collision, so as to prevent fuel tank surface tearing, avoid fuel tank leaking, and ensure fuel tank safety.

High-resolution site VOCs transmission flux online monitoring system and method

The invention discloses a high-resolution site VOCs transmission flux on-line monitoring system and method. The system comprises a solar power supply system; the monitoring well comprises a plurality of sampling pipes and connecting pipes, and each sampling pipe comprises an air permeability passive sampling probe and an air guide pipe communicated with the air permeability passive sampling probe; the on-line detection system is connected with the solar power supply system, the on-line detection system comprises a multi-channel electromagnetic valve, the multi-channel electromagnetic valve is provided with a plurality of mutually independent air inlet pipes, and the air inlet pipes are respectively communicated with the air permeability passive sampling probes with different depths in the monitoring well through air guide pipes; and the data processing terminal is connected with the online detection system through the data transmission system, and the data processing terminal is used for ...

AUTOMOBILE UREA TANK AND FORMING METHOD THEREOF

Disclosed are an automobile urea tank and a forming method thereof. The forming method comprises the following steps: firstly, producing an upper half casing and a lower half casing (2, 1) by means of injection moulding; assembling built-in components of the upper and lower half casings (2, 1) after the upper and lower half casings (2, 1) are formed; integrally welding the assembled upper and lower half casings (2, 1); and assembling components and parts on the surfaces of the upper and lower half casings (2, 1). The method improves the degree of freedom in the design of the built-in assemblies of a tank body, saves raw materials, has a simple structure and good firmness, improves production efficiency, and shortens the production period.

Fuel tank valve that can open fast

... 本实用新型涉及种能快速打开的燃油箱阀门，其特征在于，所述燃油箱阀门包括法兰组件、内壳以及底壳，所述内壳中设置有密封组件和弹簧，所述内壳设置在底壳上，所述法兰组件设置在底壳上面，所述法兰组件包括焊接法兰以及密封圈，所述法兰组件焊接在底壳上，所述内壳上设置有排气孔。该技术方案提出种新式排气阀门，在同样保证密封性能的同时，排气阀门能够在很高的压力重新开启，即能够开始重新开启，及时避免安全隐患。 ...

INTERNAL SUPPORTING PART STRUCTURE FOR PLASTIC TANK

An internal supporting part structure for a plastic tank comprises a supporting rod (1) and end surface components (2) provided at two ends of the supporting rod. The supporting rod is made of a first material (4). An outer surface of the end surface component is covered by a second material (5). An outer edge (3) of the end surface component has a regular or irregular shape. The structure solves the problem in which a second material enclosing a first material and connected to an inner wall of a plastic tank can separate from the inner wall easily. When a fuel tank receives an impact, the supporting rod of the structure breaks first, thereby protecting a surface of the fuel tank from being damaged.

METHOD FOR FORMING HOLLOW BOX BODY PROVIDED WITH BUILT-IN COMPONENT

A method for forming a hollow box body provided with a built-in component comprises the following steps: a) feeding, wherein two sheets of plasticizing parisons are respectively laid off to two gaps formed by a preformed template and a mold semi-mold; b) closing the mold semi-mold and the preformed template; c) performing blow molding under high pressure; d) fracturing and fixing the sheet-shaped parison; e) preheating the parison connected to the built-in component; f) opening a mold, removing the preformed template; g) fixing the built-in component; h) performing secondary closing on the mold; i) cooling a blade position of the mold, and performing blow molding under high pressure to form the hollow box body.

Application of chamomile and active components thereof in preparation of medicine for preventing and/or treating airway inflammation

The invention provides application of chamomile and active components thereof in preparation of a medicine for preventing and/or treating airway inflammation, and belongs to the technical field of medicine. Researches find that active components of chamomile can remarkably reverse LPS (lipopolysaccharide)-induced cell inflammation injury and have good application in preparation of the medicine for preventing and/or treating the cell inflammation injury; in addition, the active components of chamomile can also up-regulate the level of Kif3a and down-regulate the levels of SHH, Ptch1 and Gli1, the SHH signal channel is regulated through Kif3a, the protective effect on LPS-induced 16HBE cells is achieved, airway inflammation can be effectively improved, and the chamomile has good application in preparation of the medicine for preventing and/or treating airway inflammation.

Girald daphne bark product as well as preparation method and application thereof

The invention provides a girald daphne bark product and a preparation method and application thereof, and belongs to the technical field of traditional Chinese medicine. The method comprises the following steps: crushing a girald daphne bark medicinal material, treating the girald daphne bark medicinal material by using a low-polarity mixed solvent composed of petroleum ether and chloroform to remove most of diterpenoid irritant components, and performing low-temperature percolation extraction by using an ethanol aqueous solution to avoid dissolution of the diterpenoid components. The method comprises the following steps: firstly, extracting the coumarin by adopting a polar solvent (diethyl ether-ethyl acetate-methanol) which is arranged in a gradient manner to obtain the coumarin to the greatest extent and avoid the loss of the coumarin, so that the yield of coumarin active substances of the girald daphne bark is increased, the irritation of the prepared girald daphne bark product is reduced ...

Vehicle brake shoe detection method and device, electronic equipment and storage medium

The invention discloses a vehicle brake shoe detection method and device and a storage medium. The method comprises the steps that axle data of a target vehicle are acquired, and the axle data comprise a first mapping relation among a vehicle serial number, an axle serial number, an axle acquisition moment and an axle instantaneous speed; calculating a vehicle entering moment and a vehicle leaving moment corresponding to each vehicle serial number according to the first mapping relation; acquiring first label data, wherein the first label data comprises a brake shoe label code and a corresponding label acquisition moment; establishing a second mapping relation according to the first mapping relation and the first label data; and calculating a brake shoe label code corresponding to each axle sequence number under each vehicle number according to the second mapping relation. The problem that in the prior art, alignment of a train label and a train number is disordered is solved, and accurate ...

Multi -functional sealed fuel tank valve

... 本实用新型涉及种多功能密封燃油箱阀门，其特征在于，所述燃油箱阀门包括法兰组件、内壳以及底壳，所述内壳中设置有密封组件和弹簧，所述内壳设置在底壳上，所述法兰组件设置在底壳上面，所述法兰组件包括焊接法兰以及密封圈，所述法兰组件焊接在底壳上，所述内壳上设置有排气孔。该技术方案提出种新式排气阀门，在同样保证密封性能的同时，排气阀门能够在很高的压力重新开启，即能够开始重新开启，及时避免安全隐患。 ...

Ancient building timber age measurement method based on distributed activation energy model

The invention provides an ancient building timber age measurement method based on a distributed activation energy model, and the method comprises the steps: carrying out the milligram-level sampling, carrying out the thermogravimetric test at multiple heating rates, and carrying out the DAEM multi-parameter optimization program based on the distributed activation energy model and development; solving DAEM kinetic parameters of a to-be-tested sample containing three main components of lignin, cellulose and hemicellulose, and matching according to an established database of kinetic parameters and time aging to obtain corresponding aging time. The method can achieve the quick and accurate measurement of the age in various scenes, has the advantages of being convenient to operate, easy to popularize and the like, can be widely applied, and provides powerful evidence for the historical age and cultural deposits of cultural relics.

Long -range insulating monitoring system of GIS cubical switchboard

... 种GIS开关柜远程绝缘监测系统，涉及电气安全监测技术领域，所解决的是确保GIS开关柜安全运行的技术问题。该系统包括监测服务器，及至少个监测单元，至少个移动终端；所述监测单元包括监测主机、GIS开关柜，所述GIS开关柜的外周布设有多个六氟化硫传感器，并且各六氟化硫传感器布设成围绕GIS开关柜圈的环形传感器阵列，各六氟化硫传感器的感应信号输出端口分别接到监测主机的各个数据采集端口，监测主机通过以太网络连接监测服务器；所述监测服务器接入互联网，所述移动终端通过移动通信网络接入互联网。本实用新型提供的系统，能实时发现GIS开关柜的绝缘气体泄漏状况。 ...

Method for transmitting test signal of ballistic target free flight test

The embodiment of the invention relates to a ballistic target free flight test signal transmission method, which is applied to a ballistic target free flight test system, and comprises the following steps: accelerating a test model to a preset speed by using a launcher, so that the test model at the preset speed enters a target chamber from the launcher; sampling related parameters of the test model by using the test device at a preset sampling frequency to obtain first data of the test model at different moments in the emitter and second data of the test model at different moments in the target chamber; respectively sending the first data obtained at each moment to a receiving device at least twice; wherein the moment of the first time of sending is the moment of obtaining the first data, and the moment of the second time of sending is delayed by the first time than the moment of the first time of sending; and sending the second data to the receiving device at least at the moment when ...

Federal learning-based electric vehicle dynamic charging control method and system

The invention discloses an electric vehicle dynamic charging control method and system based on federated learning, and the method comprises the steps: collecting the charging data of a plurality of electric vehicles for training in each edge calculation terminal in a designated region based on federated learning, and carrying out the aggregation of the training results of each edge calculation terminal, global charging optimization models corresponding to different vehicle types are obtained according to the proportions of different vehicle type data in the edge calculation terminals; when the electric vehicle is connected to a power grid through the intelligent charging pile, obtaining the vehicle type and state information of the electric vehicle; calling a corresponding global charging optimization model according to the type and state information of the to-be-accessed electric vehicle; and controlling the charging of each electric vehicle according to the state and the charging demand ...

Warp rebeaming machine equipment with multiple layers of staggered godets and application of warp rebeaming machine equipment

The invention belongs to the technical field of warp rebeaming machines, and discloses warp rebeaming machine equipment with multiple layers of staggered godets, which comprises a base, sliding rails are fixedly mounted at the left end and the right end of the top of the base respectively, sliding blocks are movably clamped outside the sliding rails at equal intervals, supporting rods are fixedly mounted at the tops of the sliding blocks respectively, and the godets are movably clamped at the tops of the supporting rods. By arranging the supporting rods, the sliding rails, the sliding blocks and the like, the purpose of multiple layers of godets is achieved, the appropriate number of supporting rods are selected according to the number of reels of wound warps, the sliding blocks are connected to the tops of the sliding rails in a clamped mode, the supporting rods are pushed to enable the sliding blocks to slide outside the sliding rails, the distance between the two supporting rods is controlled ...

Automatic mounting device for insert in die cavity

The invention discloses an automatic mounting device for an insert in a mold cavity. The automatic mounting device comprises a main body, an insert conveying part and an insert pushing part, the main body is fixed on the back surface of the mold cavity, an insert pushing channel communicated with an insert mounting hole in the mold cavity is arranged on the main body, and the output end of the insert pushing part is arranged on the insert pushing channel in a sliding manner; a plurality of inserts are arranged in the insert conveying part, the output end of the insert conveying part is detachably connected with the body, and the output end of the insert conveying part communicates with the insert pushing channel. In the invention, one insert is automatically pushed into the mold cavity from the back surface of the mold cavity every time before one product is produced by utilizing the mold cavity, and the magazine type insert conveying part provides a plurality of inserts at one time, so ...

Poultry house cleaning robot and control method and device thereof

The invention provides a poultry house cleaning robot and a control method and device thereof, and the control method of the poultry house cleaning robot comprises the following steps: obtaining a patrol route according to preset operation time; according to the patrol route, a driving module is controlled to work to drive the poultry house cleaning robot to patrol; under the condition that the poultry house cleaning robot is in patrol activity, environment information detected by the detection module is automatically obtained; according to the relation between the environment information and the preset environment standard, the driving module and the sweeping module are controlled to work or stop. According to the poultry house cleaning robot, environment information in a poultry house is obtained through the detection module during patrol activity, then the driving module and the cleaning module are controlled to work, when the environment does not reach the preset standard, the robot ...

Solar energy selective absorption emitter

... 本实用新型公开了种太阳能选择吸收发射装置，包括基底，所述基底的上下表面分别覆盖有薄膜层，所述薄膜层上通过纳米加工蚀刻有若干等间距的共振腔，在位于基底上表面的薄膜层上的共振腔内以及薄膜层上表面填充有涂层，位于基底下表面的薄膜层上的共振腔裸露于空气中，本实用新型其利用在基底两端所加工的氮化钛共振腔形成了二维光子晶体结构，二维光子晶体结构大大减少吸收层的自身辐射热损失，提高了系统效率。 ...

Lead-free KNN series piezoelectric ceramic material with high piezoelectric property and preparation method of lead-free KNN series piezoelectric ceramic material

The invention relates to the technical field of lead-free KNN series piezoelectric ceramic materials and preparation methods thereof, in particular to a lead-free KNN series piezoelectric ceramic material with high piezoelectric performance and a preparation method of the lead-free KNN series piezoelectric ceramic material with the high piezoelectric performance and the preparation method of the lead-free KNN series piezoelectric ceramic material with the high piezoelectric performance. The invention discloses a high-temperature-resistant coating which comprises the following components in parts by weight: 60-75% of sodium carbonate, 60-75% of potassium carbonate, 40-50% of lithium carbonate, 30-40% of niobium pentoxide, 20-30% of antimony trioxide, 16-20% of calcium carbonate, 1-2% of calcium zirconate, 16-20% of a binder, 1-4% of a plasticizer and 1-4% of a dispersant. The invention provides a lead-free KNN series piezoelectric ceramic material with high piezoelectric performance, the ...

Multi-scale flow state fault diagnosis method and device for circulating fluidized bed in coal gasification system

The invention discloses a multi-scale flow state fault diagnosis method and device for a circulating fluidized bed in a coal gasification system, and the method comprises the steps: S01, obtaining a feature set of the particle concentration of the circulating fluidized bed in a plurality of fault modes along with time and space changes, and forming a particle concentration fault feature set; s02, scale separation is carried out on particle concentrations in the particle concentration fault feature set, a separated feature set is obtained, and the separated feature set comprises macro-scale features, mesoscale features and micro-scale features; and S03, performing multi-layer feature extraction on the separated feature set by using a multi-layer self-encoder based on deep learning to obtain an association mapping relationship between each scale and a fault mode, and training to form a fault diagnosis and recognition module for realizing fault diagnosis of the multi-scale flow state of the ...

Cavity double layer of plastic oil tank

... 本实用新型涉及种中空双层塑料油箱，其特征在于，所述塑料油箱包括中空的油箱本体，所述油箱本体上设置有注油管、油箱阀门，所述油箱本体的内部设置有油泵，所述塑料油箱还包括控制组件、油箱隔离阀以及碳罐，通过控制组件实现对油泵、油箱隔离阀以及碳罐的控制。技术方案采用特殊的结构支撑油箱外壁和油箱内壁，使得油箱的内壁和外壁隔开，中间充满空气，可以大大提高油箱的隔音、保温性能，提高油箱的耐压性能。 ...

Oil tank valve

The invention discloses an oil tank valve which comprises an end cover (1), a valve body (2) is installed on the end cover (1), a floater (3) is installed in the valve body (2) in a sliding mode, a sealing piece (4) is installed on the top of the floater (3), a connecting pipe (5) is formed on the top of the end cover (1), an air hole (6) is formed in the top of the valve body (2), the sealing piece (4) and the air hole (6) are coaxial, and a spring (7) is installed in the floater (3). The lower end of the valve body (2) is sleeved with a shell (8), and the lower end of the spring (7) abuts against a bottom plate in the shell (8). The dynamic ventilation performance of the valve can be improved, the dynamic leakage rate is reduced, and clamping stagnation of the sealing plug can be effectively prevented.

Abnormal coop recognition method, device and system and robot

The invention provides an abnormal coop recognition method, device and system and a robot, and belongs to the technical field of livestock breeding, and the method comprises the steps: obtaining a sampling image of a target coop; identifying the sampling image to respectively obtain a first identification result and a second identification result; the first recognition result comprises the number of chicken heads in the target chicken coop, the number of eggs and the upright state of the comb of each chicken; the second identification result comprises comb color information of each chicken; and inputting the first recognition result and the second recognition result into a decision tree model, and determining the category of the target coop. According to the abnormal coop identification method, device, system and robot provided by the invention, based on multi-sensor coordination and multi-source data fusion, internal and external features of the individual chicken in the coop are comprehensively ...

補助押型付きの二枚ブロー成型中空箱体成型方法

Forming mechanism of tube -shape parison plastic box

... 本实用新型涉及一种筒状型坯塑料箱的成型机构，筒状型坯模头的中心设有吹气装置，筒状型坯模头下方的地面上设有Y导轨，Y导轨上设有梭车，梭车上安装有X导轨，X导轨上安装有可同步相向或相背移动的左、右模架，左、右模架上部分别安装有模具安装背板，模具安装背板的相向端面上分别安装有左、右半模，左、右半模的合模位置位于筒状型坯模头的轴线上，筒状型坯模头正下方安装有可撑开筒状型坯下端口的绷料机构和可封闭筒状型坯下端口的夹料机构。本实用新型在梭车位于模头外侧，前一个塑料箱被移出时，预先完成绷料、夹料和预吹动作，当梭车回到模头下方时，型坯已经预吹好，可以直接进入合模步骤，缩短了生产周期，大大提高了生产效率。 ...

High-curie-point low-temperature co-fired piezoelectric ceramic material and preparation method thereof

The invention relates to the technical field of low-temperature co-fired ceramic materials, in particular to a high-curie-point low-temperature co-fired piezoelectric ceramic material and a preparation method thereof.The high-curie-point low-temperature co-fired piezoelectric ceramic material comprises, by weight, 97.4%-99.2% of barium titanate, 0%-1% of calcium borosilicate glass, 0%-1% of barium titanate, 0%-1% of barium titanate, 0%-1% of barium titanate, 0%-1% of barium titanate, 0%-1% of barium titanate, 0%-1% of barium titanate, 0 0.5%-2.5% of copper oxide and 0.05%-2% of vanadium pentoxide. The invention provides the high-curie-point low-temperature co-fired ceramic material, the low-temperature co-fired ceramic material is low in sintering temperature, short in sintering time and excellent in matching performance with noble metals, so that the content of high-temperature-resistant noble metals such as platinum and palladium in the LTCC material can be reduced, co-firing can be realized ...

Modified drum mixes quick -witted clear device of expecting

... 一种改进的圆筒混合机清料装置；包括两端吊挂安装于混合机筒体内部横梁上的清料辊、清料辊清洗装置和轴承吹气密封套，清料辊通过支承轴装配于轴两端的轴承座中，清料辊清洗装置为安装于混合机筒体内部横梁上的高压水喷管，喷管出水方向朝向清料辊辊面；轴承吹气密封套为一端为盖环、一端开放的圆筒体，开放端与轴承座靠近清料辊的端面固定连接，支撑轴穿过轴承吹气密封套盖环中心孔且为间隙配合；压缩空气通过气管通入轴承吹气密封套中；清料辊清洗装置在清料辊转动过程中持续向辊面喷射高压水实现辊面粘结料的自动清理，对轴承座透盖端持续吹扫压缩空气防止尘土进入轴承内卡阻轴承，延长清料辊寿命，节省人力物力，降低备件成本，保证生产顺行。 ...