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75results about How to "Open implementation" patented technology

Virtual open network building system and method based on software definition network

The invention discloses a virtual open network building system based on a software definition network. The virtual open network building system comprises a network topological information detection module, a network performance detection module, a network resource integration module, a network resource display module, a user virtual node selection module, a virtual network management module, a network resource virtualization module, a host unit resource virtualization module and a user interaction interface module. A virtual open network building method based on the software definition network comprises the steps that (1) a user logs into the virtual open network building system; (2) the system collects network resource information and visually displays the information to the user; (3) the user finds resources for specific service and provides a service request; and (4) the system provides virtual network customization service for the user. According to the virtual open network building system and the virtual open network building method, the aim of the user for opening and self-building a virtual network is achieved.
Owner:BEIJING UNIV OF POSTS & TELECOMM

System and method for open intelligent management of laboratory

The invention relates to a system and a method for open intelligent management of a laboratory. The system comprises a server and a client, wherein the server comprises a university level platform node server and a plurality of college level platform node servers; the university level platform node server performs data communication with a university shared data base through a data communication module and a synchronous module, and performs data communication with the college level platform node servers through the data communication module; the client is connected with the server through a campus network inside a university and through the INTERNET outside the university; and the client comprises a laboratory management control system and an intelligent laboratory management system. The method comprises the management of experiments or experiment courses specified in a teaching program and the management of open experiments or equipment usage outside the teaching program. According to the invention, all-day open of the laboratory can be realized, and the working efficiency of laboratory management personnel can be greatly improved.
Owner:DONGHUA UNIV

Internet-of-Things platform system and cloud platform thereof, and local terminal

The invention discloses an Internet-of-Things platform system and a cloud platform thereof, and a local terminal. The cloud platform includes an IoT gateway, a streaming media service module, a rulesengine module, a general service module, a management center, a visualization module and an open gateway. The local terminal includes an edge gateway and a sensing device, and the edge gateway includes an acquisition module, a video server and a display module. The edge gateway is configured to connect an IoT-related hardware facility and the sensing device in the weak current system to obtain data of the sensing device and upload the data to the cloud platform; and the cloud platform is configured to connect downwards with the sensing device and the local terminal to obtain data and connect upwards with service and application. According to the technical scheme, the Internet-of-Things platform system and the cloud platform thereof, and the local terminal have good openness and good safety, and high-reliability and cross-system message channel capability.
Owner:华润置地控股有限公司

Application method, system and equipment for end-to-end QoS

InactiveCN101442428AOpening of dynamic QoS capabilitiesOpen dynamic QoS capabilityMetering/charging/biilling arrangementsApplication serverSystem service
The invention discloses a method for applying QoS by end-to-end. The method comprises the following steps: a universal service interface USI system receives a QoS application transmitted by an application server, and generates a QoS request to be transmitted to a policy and charge control PCC system; and the USI system transmits the generated QoS request to the PCC system, and receives a QoS distribution result transmitted by the PCC system. The invention also discloses application of end-to-end quality of service QoS. With the adoption of the method, the PCC system services a dynamic QoS interface to the USI system so as to realize a function that dynamic QoS capability of a WiMAX system services for third-party application through the USI interface. An upper application entity provides service required QoS information for the PCC system through the USI system so as to realize transmission and negotiation between the upper application entity and the QoS information of the PCC system, thereby realizing service for the dynamic QoS capability of an access network, and end-to-end QoS guarantee from the upper application and the access network.
Owner:HUAWEI TECH CO LTD

Information processing method and electronic equipment

The invention discloses an information processing method and electronic equipment. The method is applied to the electronic equipment with a touch control display unit. At least one target object corresponding to a first application can be displayed on the touch control display unit, and after the target object is touched-controlled, the first application can be displayed on the touch control display unit through a small window or a full-screen window, wherein the display area of the full-screen window is as large as the area, which can be touched-controlled, of the touch control display unit; the display area of the small window is smaller than the area, which can be touched-controlled, of the touch control display unit; the small window is obtained by transforming the full-screen window according to a first transformation parameter. The method comprises the following steps of receiving first operation by using the touch control display unit; displaying the first application on the touch control display unit through the small window in response to the first operation when the first operation is consistent with a first preset condition; displaying the first application on the touch control display unit through the full-screen window in response to the first operation when the first operation is consistent with a second preset condition.
Owner:LENOVO (BEIJING) CO LTD

Automatic protection carrier for cargoes

The invention relates to an automatic protection carrier for cargoes, comprising a forklift main body, a portal arranged at the front part of the forklift main body, a storage rack moving up and downalong the portal, a protection device, and first and second storage device, wherein the protection device comprises a protection mechanism for protecting the cargoes, a guide mechanism for guiding andlimiting the protection mechanism, and a tightening mechanism for driving the protection mechanism to tighten; the first and second storage devices are arranged at two sides of the protection device,and commonly control the starting or stopping of the protection mechanism, and both comprise lifting mechanisms and overturning mechanisms, wherein the lifting mechanisms are arranged below the protection mechanism and used for driving the protection mechanism to drive the protection mechanism to move upwards along the guide mechanism during the material charging process, and the overturning mechanisms are arranged above the lifting mechanisms and used for driving the protection mechanism to overturn so as to enable the protection mechanism to sleeve around the cargoes when the storage rack supports the cargoes to lift upwards. The automatic protection carrier solves the problems that the work efficiency of a forklift is influenced as the cargoes easily shake and collapse when the forklift transfers the cargoes and the existing forklift cargo protection mechanism cannot use conveniently.
Owner:CHANGXING BEST MASCH CO LTD

All-weather window laboratory instrument management system and method

The invention belongs to the technical field of laboratory management and monitoring, and particularly relates to an all-weather window laboratory instrument management system and method. The system comprises an instrument management service unit, a plurality of information display units, a plurality of window control units, a plurality of instrument control units and a plurality of user query units. The invention discloses the laboratory instrument management method. The method comprises the steps that first, a borrower accesses the instrument management service unit of a laboratory to perform account registration, query and reservation operations, and then, the borrower goes to a window within a defined reservation time to be subjected to identity verification and to confirm borrowing of instruments; after the instruments are used, the borrower opens the window through the identity verification at the window and confirms return; and finally, after the return succeeds, expenses are deducted from an account of the borrower, thereby realizing a borrowing service. According to the system and the method, the management is convenient, the difficult problem in all-weather watching of the open laboratory is effectively solved, the resource advantages of the laboratory can be brought into full play, and the utilization efficiency and economic benefits of laboratory instruments are improved.
Owner:GUILIN GUOCHUANG CHAOYANG INFORMATION TECH

Refrigerating device

The invention provides a refrigeration device, comprising: a box body; a door body, which can be opened and closed on the box body; an electromagnet assembly, the electromagnet assembly includes a first electromagnet and a second electromagnet, the first electromagnet is arranged On the box body, the second electromagnet is arranged on the door body, and the first electromagnet is provided with a first contact surface, and the second electromagnet is provided with a second contact surface opposite to the first contact surface; the controller, It is connected with the first electromagnet and the second electromagnet, and is used to control the polarity of the first contact surface and the second contact surface, so as to control the opening and closing state of the door body. In this technical solution, by setting the first electromagnet and the second electromagnet on the box body and the door body respectively, the door body is closed and sucked by using the principle that the contact surfaces of the two electromagnets attract each other when the polarities are different poles. Tightly on the box body, so as to ensure the sealing between the box body and the door body, use the polarity of the contact surface of the two electromagnets to repel each other when they are at the same level, overcome the magnetic force of the door seal, and achieve the purpose of opening the door with resistance.
Owner:HEFEI HUALING CO LTD +1

Refrigerating appliance

A refrigerating appliance comprises a cabinet body (1), a door (2), door closers (3) and hinge assemblies (4). Each hinge assembly (4) comprises an adjusting unit (5).Each adjusting unit (5) comprises an adjusting element (6) and a supporting element (7)which can be driven by the adjusting element (6) to move in the vertical direction within an adjusting range and to support the door (2). The cabinet body (1) can rotate around the supporting elements (7). Each supporting element (7) comprises a door closing part (70) used for being matched with the corresponding door closer (3) in the following manner that at any height within the adjusting range, the door closing parts (70) and the corresponding door closers (3) are at least partially overlapped in the horizontal direction, when the door (2) is to be closed, the door closing parts (70) and the door closers (3) are matched to prevent the door (2) from being bounced off, and the door closing parts (70) are disengaged from the door closers (3) when the door (2) is opened. According to the technical scheme, the refrigerating appliance is attractive in appearance, beneficial to transportation safety, and the upper side gap of the door (2) is small.
Owner:BSH ELECTRICAL APPLIANCES JIANGSU +1

Communication system, capability open gateway and method for opening wireless-pipeline capability

The embodiment of the invention provides a communication system, a capability open gateway (COGW) and a method for opening a wireless-pipeline capability. The system includes: a capability open object, a COGW and at least one wireless-pipeline network element; a first interface is arranged between the COGW and the capability open object and a second interface is arranged between the COGW and the at least one wireless-pipeline network element, wherein the COGW is used for gathering the capability of the at least one wireless-pipeline network element through the second interface and for providing the capability of the at least one wireless-pipeline network element to the capability open object through the first interface; and the capability open object is for using the capability of the at least one wireless-pipeline network element. In the embodiment of the invention, the COGW gathers the capability of the at least one wireless-pipeline network element through the second interface and provides the capability of the at least one wireless-pipeline network element to the capability open object through the first interface so that the capability open object can use the capability of the at least one wireless-pipeline network element. So the wireless-pipeline capability is opened.
Owner:HUAWEI TECH CO LTD

Stable cargo transporting forklift

InactiveCN108862120AAvoid a tipping situationTurn on auto-fulfillmentLifting devicesEngineeringPortal frame
The invention relates to a stable cargo transporting forklift. The stable cargo transporting forklift comprises a forklift body, a portal frame installed in the front of the forklift body, a cargo blocking shelf upwards and downwards moved along the portal frame and a cargo fork installed on the cargo blocking shelf, and further comprises a protecting mechanism. The cargo blocking shelf is positioned at two sides of the portal frame and further symmetrically provided with a retracting and releasing device a and a retracting and releasing device b which are used for controlling open or close ofthe protecting mechanism together. Each of the retracting and releasing device a and the retracting and releasing device b comprises a lifting mechanism which is installed below the protecting mechanism and used for driving the protecting mechanism to be upwards moved in a material forking process and an overturning mechanism which is installed above the lifting mechanism and used for driving theprotecting mechanism to be overturned so that the protecting mechanism is sheathed in the periphery of cargoes while the cargoes are supported and upwards lifted by the cargo fork. The stable cargo transporting forklift is capable of solving problems that the cargoes are easy to overturn and incline and low in safety during a cargo transporting process of the forklift, and a current protecting device is inconvenient for using.
Owner:CHANGXING BEST MASCH CO LTD

Automatic adjusting device for airway opening positions

The invention discloses an automatic adjusting device for airway opening positions. The automatic adjusting device comprises a horizontal bottom plate, a head support block arranged on the horizontal bottom plate and provided with a positioning groove, a back support plate arranged on the horizontal bottom plate as well as a neck support device arranged on the horizontal bottom plate and located between the head support block and the back support plate; the neck support device comprises a support plate, a guide post, a lever, an electric cylinder and a head corner positioning mechanism; the automatic adjusting device for the airway opening positions also comprises an electrical control unit comprising a PLC, a display screen connected with the PLC as well as a servo driver connected with the PLC and used for controlling a servo motor of the electric cylinder to work; a first angle gauge and a second angle gauge are connected with the PLC. The automatic adjusting device for the airway opening positions can automatically open airways of patients according to body mass indexes of the patients, consume short time and solve the problem that airways are not sufficiently opened, excessively opened or not opened due to low proficiency of operators.
Owner:THE FIRST AFFILIATED HOSPITAL OF CHONGQING MEDICAL UNIVERSITY

Novel mold for automatically producing magnesite brick

The invention discloses a novel mold for automatically producing a magnesite brick. The novel mold comprises a base and a plurality of parallel side molds, wherein the plurality of parallel side molds are arranged on the base; mold cavities are formed between adjacent side molds, bottom molds are arranged at the bottoms of the mold cavities, core rod assemblies are arranged in the mold cavities, end plates of the core rod assemblies are clamped in the end parts of the side molds, a rotatable upper cover is arranged on one side, which is close to the corresponding mold cavity, of the top of each side mold, and the upper cover is opened by virtue of an uncovering mechanism; limiting connecting plates which are fixedly connected with the side molds are arranged at the bottoms of the side molds, the bottom molds are in sliding connection with two adjacent limiting connecting plates, and the limiting connecting plates are used for limiting the relative moving distance of the adjacent side molds and the bottom molds; two outermost side molds are a fixed side mold and a first moving side mold, the first moving side mold is driven to move to the fixed side mold or to be far away from the fixed side mold by an external driving mechanism, and a positioning bolt is arranged on the first moving side mold. By using the mold, the magnesite brick can be automatically produced.
Owner:营口全顺佳明耐火材料有限公司

Signal machine opening method for SPKS unblocking

The embodiment of the invention provides a signal machine opening method for SPKS unblocking, and the method comprises the steps: storing a blocking type attribute for blocking a physical section whenthe blocking of any physical section is interlocked; and when the blocking of the physical section is removed, if the signal lamp of the physical section route judges that the blocking type attributefor blocking the physical section is SPKS blocking, automatically setting the signal lamp to be in an open state for allowing a train to pass. Through the blocking type attribute, automatic opening of the annunciator is realized under the condition of SPKS blocking, manual operation is avoided, the timeliness of opening of the annunciator is improved, and the train operation efficiency is improved.
Owner:TRAFFIC CONTROL TECH CO LTD

Cleaning system

The embodiment of the invention provides a cleaning system which comprises self-cleaning equipment, a dust collection station, a driven mechanism and a first driving mechanism, and the dust collection station is used for collecting swept impurities of the self-cleaning equipment. A negative pressure dust collection channel is formed in the dust collection station, the dust collection station comprises a bearing device used for bearing the self-cleaning equipment, and a dust collection suction opening communicated with the negative pressure dust collection channel is formed in the bearing device. The self-cleaning equipment comprises a cover plate and a dust box used for containing and cleaning impurities, and a dust discharging opening used for being communicated with the dust collection suction opening is formed in the bottom end of the dust box. The cover plate is rotationally connected with the dust box. The driven mechanism is fixed on the cover plate. When the dust discharging opening needs to be opened, the first driving mechanism is in driving fit with the driven mechanism to drive the driven mechanism to move so as to drive the cover plate to open the dust discharging opening. The first driving mechanism drives the driven mechanism fixed to the cover plate to move so as to drive the cover plate to open the dust discharging opening, and opening of the dust discharging opening is achieved.
Owner:MIDEA ROBOZONE TECH CO LTD

Plating tank closed cover switch mechanism

The invention relates to a plating tank closed cover switch mechanism which comprises a tank body and a cover board, and is characterized in that the outer sides of two opposite tank walls of the tank body are respectively provided with a rotating shaft, a tank cover comprises two unit tank covers, two outer connecting rods and two inner connecting rods are arranged between the same ends of the two rotating shafts, one ends of the two outer connecting rods are respectively hinged between one ends of the two unit tank covers, the other ends of the two outer connecting rods are respectively hinged at the same ends of the two rotating shafts, one ends of the two inner connecting rods are respectively hinged at two ends of the inner edges of the two unit tank covers, the other ends of the two inner connecting rods are respectively hinged at the tank walls at the same ends of the two rotating shafts, the tank walls at two ends of the rotating shafts are respectively provided with an air cylinder, the piston rods of the air cylinders face upwards, lower connecting rods are respectively connected between the outer ends of the piston rods and the two inner connecting rods, the upper ends of the two lower connecting rods are respectively hinged between the two inner connecting rods, and the lower ends of the two lower connecting rods are hinged at the outer ends of the piston rods. By the plating tank closed cover switch mechanism disclosed by the invention, the tank opening and the tank cover are sealed, environmental pollution can be avoided, and the personnel healthy can be facilitated. The plating tank closed cover switch mechanism is suitable for plating tanks.
Owner:JIANGSU HONGLIAN ENVIRONMENTAL PROTECTION TECH CO LTD

Electric control cabinet and active cooling system thereof

The invention discloses an electric control cabinet and an active cooling system thereof. The electric control cabinet comprises a cabinet body and a box cover. First mounting slots are formed in thetwo side walls of the cabinet body; a first clamp slot is formed in one side of each first mounting slot; first chutes are formed in the two side walls of the cabinet body; and the first chutes and the first clamp slots are communicated mutually. First baffles are arranged in the first clamp slots; a first handle is fixedly connected to one end surface of each baffle by a first connection block; and the first connection blocks and the first chutes cooperate with each other. According to the invention, with a temperature sensor and an active cooling system, when the temperature exceeds a presetvalue, a fan is turned on automatically and a first stopping block is pulled to dissipate heat. With a display device, the staff is able to observe temperature information and humidity information inelectric control cabinet clearly. And because of a clamping block and a clamping through hole, the box cover is opened or closed conveniently.
Owner:浙江快易智能制造有限公司

Overlapped spiral type sludge dewatering machine

The invention relates to the field of sludge treatment equipment and in particular relates to an overlapped spiral type sludge dewatering machine. The overlapped spiral type sludge dewatering machineis characterized by comprising a rack and overlapped spiral type sludge dewatering devices, wherein the rack comprises a bottom plate and a baffle plate and two sides of the baffle plate are hinged with the bottom plate; a plurality of overlapped spiral type sludge dewatering devices are arranged on the bottom plate in parallel; each overlapped spiral type sludge dewatering device comprises a rotary shaft which is arranged along the bottom plate and is driven by a motor, and an overlapped spiral mechanism which sleeves the rotary shaft and rotates along the rotary shaft; a feeding opening is formed above a downstream end of each overlapped spiral mechanism and a filtrate outlet is formed below the downstream end of each overlapped spiral mechanism; filtrate grooves, which are communicatedwith one another and are obliquely arranged, are fixedly mounted below the filtrate outlets of the plurality of overlapped spiral type sludge dewatering devices; a mud discharging cavity communicatedwith each overlapped spiral mechanism is formed in an upstream end of each overlapped spiral mechanism; each mud discharging cavity is provided with a mud discharging opening; a belt conveyor is mounted below the plurality of mud discharging openings. The device provided by the invention has the advantages of low cost, small land occupation and high efficiency and can realize centralized treatmentof sludge and filtrate.
Owner:天津远新环保科技有限公司

Wire arrangement testing change-over device for cellphone screen

The invention discloses a wire arrangement testing change-over device for a cellphone screen, and the device comprises a pedestal, a connector fixing device, and a turnover apparatus. The turnover apparatus is rotatingly connected with the pedestal through a turnover rotating shaft. The front end of the connector fixing device is provided with a connector carrier plate, and the connector carrier plate is provided with a profiling groove. A connector is fixed in the profiling groove, and the turnover apparatus is provided with a probe assembly. The interior of the profiling groove is provided with a projection for fixing the connector. One side of the profiling groove is provided with a rotating shaft, and the upper part of the connector is provided with a pre-pressing block which is used for pressing the connector and can be opened and closed. The pre-pressing block is fixed on the rotating shaft, and can rotate around the rotating shaft. The rear part of the pre-pressing block is provided with a pre-pressing block automatic popup mechanism, and the pre-pressing block automatic popup mechanism is disposed in the connector fixing device. The probe assembly is a floating-type probe assembly, and is provided with a vertical floating gap and a lateral floating gap. The device is more precise in positioning of a connector, is shorter in work time, is higher in efficiency, and is stronger in positioning tolerance capability.
Owner:苏州鑫镁晨电子科技有限公司

Anti-theft safety device and method for bank vault

The invention discloses an anti-theft safety device and method for a bank vault, and aims to achieve high anti-theft performance. According to the technical scheme, the anti-theft safety device comprises a door frame, an outer anti-theft door and an inner anti-theft door, wherein the inner anti-theft door is fixedly connected with the outer anti-theft door, one side of the outer anti-theft door ishinged to the door frame, a locking element is arranged in the outer anti-theft door and comprises a first sliding plate, a second sliding plate and a third sliding plate, the first sliding plate, the second sliding plate and the third sliding plate are connected in the outer anti-theft door in a sliding mode and are respectively provided with a plurality of first clamping columns fixedly connected with the sliding plates, the first clamping columns respectively penetrate through the outer anti-theft door, the inner wall of the door frame is provided with a plurality of first clamping groovesmatched with the first clamping columns, and a driving element used for driving the first sliding plate, the second sliding plate and the third sliding plate to slide is arranged in the outer anti-theft door. The anti-theft safety device and method for the bank vault improve the protection performance of the bank vault.
Owner:江苏苏宁银行股份有限公司

Push-pull opening and closing mechanism used for power line sensor and having locking and limiting functions

The invention discloses a push-pull opening and closing mechanism used for a power line sensor and having locking and limiting functions. The push-pull opening and closing mechanism used for the powerline sensor and having the locking and limiting functions comprises a first semicircular shell, a second semicircular shell, a rotary shaft, a sliding plate and an annular groove-shaped installationmechanism. The first semicircular shell and the second circular shell are installed on the annular grooves-shaped installation mechanism through the rotary shaft, and the rotating ranges of the firstsemicircular shell and the second circular shell are limited by the annular groove-shaped installation mechanism. Sliding plates are mounted in sliding grooves in the two sides of the annular groove-shaped installation mechanism. The sliding plates can be pushed and pulled to move upwards and downwards so as to close and open the first semicircular shell and the second semicircular shell. Limitingmechanisms are arranged on the sliding plates and are used for limiting the moving ranges of the sliding plates. Stop mechanisms of the annular groove-shaped installation mechanism can be combined with concave parts on the sliding plates so as to keep the first semicircular shell and the second semicircular shell in a locked state. The push-pull opening and closing mechanism is easy and convenient to operate, simple in structure and capable of achieving reliable locking and effective limiting.
Owner:北京则拓科技有限责任公司

Jackfruit opening device

The invention provides a jackfruit opening device, which comprises a support, a fixing plate, a core removing cylinder and an opening mechanism, the fixing plate is fixed to the support, a through groove is formed in the fixing plate, the core removing cylinder is slidably connected with the support through a mounting plate, the core removing cylinder is located above the mounting plate, a first driving assembly used for driving the core removing cylinder to vertically slide is fixed to the support, the opening mechanism is connected with the core removing cylinder and used for opening jackfruits, the mounting plate is connected with a skin breaking assembly located on the outer side of the opening mechanism, and the skin breaking assembly is used for cutting the skins of the jackfruits. A push rod used for pushing out the jackfruit cores in the core removing cylinder is rotationally connected to the upper portion of the support. Jackfruit cores can be removed through the core removing cylinder, jackfruits are opened through cooperation of the skin breaking assembly and the opening mechanism, the jackfruit opening device has the advantages of being high in safety, easy and convenient to operate and capable of saving labor, and the jackfruit opening efficiency is improved.
Owner:HAINAN UNIVERSITY

Intelligent tent based on shape memory alloy

The invention provides an intelligent tent based on shape memory alloy. The intelligent tent based on the shape memory alloy comprises a tent support for playing a supporting role, a piece of tent cloth for isolation from the outside and a heating device for heating the tent support, wherein the tent cloth attaches to the tent support, and the heating device is connected with the tent support. The tent support comprises first supporting pipes, second supporting pipes, bent portion connecting pipes and a multiple-end connecting pipe, wherein one end of each first supporting pipe is in contact with the ground and is used for supporting the intelligent tent, the other end of each first supporting pipe is connected with one end of the corresponding bent portion connecting pipe, the other end of each bent portion connecting pipe is connected with one end of the corresponding second supporting pipe, and the other end of each second supporting pipe is connected with one end of the multiple-end connecting pipe. The bent portion connecting pipes and the multiple-end connecting pipe are made from the shape memory alloy, the first supporting pipes and the second supporting pipes are made of rigid metal, and the technical problem that tent erection consumes time and effort in the prior art is solved.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Automatic rotor wing folding system for tandem double-rotor-wing helicopter

The invention discloses an automatic rotor wing folding system for a tandem dual-rotor wing helicopter; the system comprises a vertical rotating shaft having the top fixed with propeller hubs, a plurality of blade assemblies uniformly distributed and hinged to the peripheral side of the propeller hub, multiple driving hydraulic cylinders fixedly connected with the multiple propeller hubs in a one-to-one correspondence mode, and having telescopic ends fixedly connected with the roots of the blade assemblies, a hydraulic oil tank fixedly connected with the bottom end of the vertical rotating shaft, having the internal space being a hydraulic oil cavity with an open bottom end, and internally provided with a piston assembly, a plurality of hydraulic oil conveying pipes having one ends communicated with the top end of the hydraulic oil cavity, and the other ends connected with a cylinder barrel of the driving hydraulic cylinder, and anelectric push rod having the telescopic end abutted against the bottom of the piston assembly. The folding system realizes folding of the paddle through the electric push rod, the hydraulic oil tank and the driving hydraulic cylinder, and is simple in structure, low in manufacturing cost, few in electric control element and easy to mount and control.
Owner:BEIHANG UNIV

An Automatic Rotor Folding System for Tandem Twin-rotor Helicopters

The invention discloses an automatic rotor folding system for tandem dual-rotor helicopters, which comprises: a vertical shaft, the top of which is fixed with a propeller hub; a plurality of propeller blade assemblies, which are evenly distributed and hinged on the outer peripheral side of the propeller hub; A driving hydraulic cylinder, which is fixedly connected with a plurality of paddle hubs one by one, and the telescopic end of the driving hydraulic cylinder is fixedly connected with the root of the paddle assembly; a hydraulic oil tank, which is fixedly connected with the bottom end of the vertical shaft, and the internal space of the hydraulic oil tank It is a hydraulic oil chamber with an open bottom, and a piston assembly is arranged in the hydraulic oil chamber; a plurality of hydraulic oil delivery pipes, one end of which communicates with the top of the hydraulic oil chamber, and the other end is connected with the cylinder barrel of the driving hydraulic cylinder; the electric push rod , the telescopic end of which abuts against the bottom of the piston assembly. The folding system realizes blade folding through electric push rods, hydraulic oil tanks, and driving hydraulic cylinders. It has a simple structure, low manufacturing cost, fewer electronic control components, and is easy to install and control.
Owner:BEIHANG UNIV

Mold for automatically producing magnesite brick

InactiveCN105666659AIncrease productivityCard structure is simpleMouldsEngineeringMagnesite
The invention discloses a mold for automatically producing a magnesite brick. The mold comprises a base and a plurality of parallel side molds, wherein the plurality of parallel side molds are arranged on the base; mold cavities are formed between adjacent side molds, bottom molds are arranged at the bottoms of the mold cavities, core rod assemblies are arranged in the mold cavities, end plates of the core rod assemblies are clamped in the end parts of the side molds, and a rotatable upper cover is arranged on one side, which is close to the corresponding mold cavity, of the top of each side mold; limiting connecting plates which are fixedly connected with the side molds are arranged at the bottoms of the side molds, the bottom molds are in sliding connection with two adjacent limiting connecting plates, and the limiting connecting plates are used for limiting the relative moving distance of the side molds and the bottom molds; two outermost side molds are a fixed side mold and a first moving side mold, a plurality of second moving side molds are arranged between the fixed side mold and the first moving side mold, the first moving side mold is driven to move to the fixed side mold or to be far away from the fixed side mold by an external driving mechanism, and a positioning bolt is arranged on the first moving side mold. By using the mold, the magnesite brick can be automatically produced.
Owner:盐城咏恒投资发展有限公司
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