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79results about How to "Use less frequently" patented technology

Wire driven hydraulic parking braking system for full-wheel steering electric-wheel car

The invention discloses a wire driven hydraulic parking braking system for a full-wheel steering electric-wheel car. The system comprises an electric hydraulic pump (2), an energy accumulator (4) and a pressure reducing valve (5) which are connected in sequence through a pipeline, wherein the pressure reducing valve (5) is connected with a parking braking valve (6) and a manual parking valve (7) through pipelines respectively, and the parking braking valve (6) and the manual parking valve (7) are connected with a traveling/parking switching valve (10) through pipelines respectively; the traveling/parking switching valve (10) is connected with wheel brakes (18) of a front wheel and a rear wheel through pipelines respectively. The system further comprises a parking braking switch (8) and a parking braking electronic control unit (9), wherein the parking braking switch (8) and the parking braking electronic control unit (9) are connected, and the parking braking electronic control unit (9) is used for acquiring sensor information and controlling electric execution components. A wire driven hydraulic parking scheme is adopted to be adapted to the characteristic of independent steering of wheels; parking pressure increase, parking pressure maintaining and parking pressure relief are controlled by the wire driven electromagnetic hydraulic valve, and response is quick; parking brake fluid pressure is generated through cooperation of the electric hydraulic pump, the energy accumulator and a pressure regulating valve, and braking force can be adjusted flexibly; by the adoption of the system, the ABS function and the ESP function can be integrated.
Owner:WUHAN UNIV OF SCI & TECH

Robot for assembly test operations of space station experiment cabinet

The invention relates to an aerospace engineering ground supporting device, in particular to a robot for assembly test operations of a space station experiment cabinet. The robot comprises a movable lifting platform, a comprehensive monitoring system, a rotating clamping mechanism, a multifunctional adapter and the scientific experiment cabinet, wherein the movable lifting platform is used for adjusting the horizontal position and the height position of the scientific experiment cabinet so that the assembly and transportation functions of the experiment cabinet can be achieved; the rotating clamping mechanism is installed on the movable lifting platform and used for achieving the clamping and rotating functions on the scientific experiment cabinet; the multifunctional adapter is installedon the rotating clamping mechanism and used for bearing the scientific experiment cabinet; the comprehensive monitoring system is used for monitoring the assembly state of the scientific experiment cabinet in real time. The transportation, turning, assembly and parking integrated operation function of the space station experiment cabinet in the ground assembly test process is achieved, and the aimof the safe, efficient and accurate assembly test of the space station experiment cabinet is achieved.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI

Movable continuous feeding chain plate conveying device

The invention provides a movable continuous feeding chain plate conveying device. The movable continuous feeding chain plate conveying device comprises a walking mechanism, a chain plate conveying system, a control system, a cantilever crane mechanism, a feed port, a discharge port, a cable power distribution coiling block, a dust cover and a dust remover. The chain plate conveying system is arranged on the cantilever crane mechanism, and the cantilever crane mechanism is arranged on the walking mechanism. The action of the cantilever crane mechanism is controlled by the control system, and the control system is connected with the cable power distribution coiling block. The feed port is arranged on the tail of the chain plate conveying system, and the discharge port is arranged on the head of the chain plate conveying system. The dust cover is arranged above the chain plate conveying system. The dust cover is provided with the dust remover. The movable continuous feeding chain plate conveying device can convey various blocky materials or loosened materials to conveying terminals at any position in the horizontal direction or the inclined direction (not exceeding 25 degrees) and meanwhile achieve a function of stacking the materials and has the advantage of being movable. The movable continuous feeding chain plate conveying device is provided with the independent walking mechanism, movement in place is achieved, a special position or a fixed matched facility is not needed, and it is not need to enlarge an infrastructure.
Owner:JIANGSU WANBAO MACHINERY

Control method for auxiliary braking of heavy truck

The invention discloses a control method for auxiliary braking of a heavy truck. According to the control method, the auxiliary braking process is divided into five gears, namely, the B gear, the first gear, the second gear, the third gear and the fourth gear, the five gears are controlled through a handle, the gears provide different auxiliary braking forces according to different requirement levels, and therefore the braking requirements of different road conditions are met, wherein the B gear and the fourth gear judge whether engine braking needs to be started or not according to the retarder intervention proportion, and when the retarder intervention proportion reaches 100%, engine braking intervenes; the control method is in linkage with ABS control, when an ABS detects that a wheel is about to be locked, or a rear wheel slips too much, auxiliary braking is out of work; after locking is removed, auxiliary braking works continuously. According to the control method, a proper, safe, convenient, rapid and effective auxiliary braking method can be provided according to various actual running working conditions, the use frequency of main braking is effectively reduced, and the economical efficiency and safety of vehicle running are promoted.
Owner:WUHU LIANHE NEW ENERGY HEAVY TRUCK IND TECH RES INST CO LTD

System and method based on user behavior authentication, and storage medium

InactiveCN108961034ASolve the stealSolve tamperingFinancePayment protocolsInternet privacyGeolocation
The invention provides a system and a method based on user behavior authentication, and a storage medium. The system comprises a behavior file module, a behavior data acquisition module, a behavior authentication arbitration module and a behavior authentication module, wherein the behavior file module is used for storing the data discrete set of user common device information, transaction common geographical location information, and user transaction habit behavior information; the behavior data acquisition module is used for collecting and monitoring user behavior data in real time through webpage plug-ins or an application program client; the behavior authentication arbitration module is used to carry out arbitration processing on data factors provided by the behavior file module and the behavior data acquisition module so as to obtain an authentication factor; and the behavior authentication module is used to match the current behavior data of the user with the authentication factor, and if matching is successful, the authentication is passed. In the invention, the matching result of the current behavior data of the user and a user behavior file is taken as the basis of a usersafety certification management and control strategy, and the authentication mode of a dynamic distribution strategy and a full-order comparison method is adopted to realize authentication processingbased on a user behavior.
Owner:CHINA CONSTRUCTION BANK

Feeding machine device for sucking furfural residues into boiler under negative pressure

The invention discloses a feeding machine device for sucking furfural residues into a boiler under negative pressure. The feeding machine device comprises a hydrolyzed pan, a gas holder and a residueshed, wherein a residue discharge pipeline is fixedly connected to one side of the hydrolyzed pan, the top of the gas holder is fixedly connected with the residue discharge pipeline, a negative-pressure conveying pipeline is arranged in the residue shed, a suction nozzle is fixedly connected to the bottom of the negative-pressure conveying pipeline, a high-pressure fan is fixedly connected to oneend of the negative-pressure conveying pipeline, a material conveying pipe is fixedly connected to one side of the high-pressure fan, and a material and gas separator is fixedly connected to the bottom of the material conveying pipe. According to the feeding machine device, the gas holder, the residue discharge pipeline, the negative-pressure conveying pipeline, the suction nozzle, an air pipe, the high-pressure fan, the material conveying pipe, a suction fan, an air inlet pipe, an air outlet pipe, an elbow, an exhaust gas buffer bottle and a buffer solution are arranged, so that the problem of large potential safety hazards when employees enter the residue shed to view the production status or load and convey residues due to low visibility in the residue shed because the residue shed is sealed when the furfural residues with high water vapor are discharged to the residue shed is solved.
Owner:河南禾力能源有限公司

Intelligent inspection flight platform based on image AI and big data application

The invention relates to an intelligent inspection flight platform based on image AI and big data application, and the platform comprises a receiving module which is used for receiving a shot image of an inspection unmanned plane; the image processing module is internally provided with standard image information, performs light intensity and gray scale compensation on the shot image to form a compensation image, extracts a comparison unit from the compensation image, and compares the comparison unit with a standard comparison unit in the standard image information to obtain a comparison result; the instruction sending module is used for sending instruction information to the inspection unmanned aerial vehicle according to the comparison result, and the instruction information is used for correcting the flight path of the inspection unmanned aerial vehicle; the storage module is used for forming an inspection report according to the compensation image, the instruction information, the flight path and the correction process; and the prediction module predicts the next inspection period according to the historical inspection report, and the receiving module receives the shot image of the inspection unmanned aerial vehicle in the next inspection period. The accuracy of determining the inspection route and the inspection period can be effectively improved.
Owner:内蒙古易飞航空科技有限公司

Pipe gallery construction method

The invention relates to a pipe gallery construction method. The pipe gallery construction method includes the steps that ground earthwork is exploded layer by layer in a layering mode from top to bottom by a shallow hole blasting method to be loosened, then the loosened ground earthwork is removed by an excavator, a foundation pit is excavated on the ground, and meanwhile, operations that the bottom wall and the side wall of the foundation pit are repaired by a crushing machine, and broken stone cushion paving, concrete cushion paving, pipe gallery body casting, and earthwork backfilling areconducted at the bottom of the foundation pit from bottom to top are conducted. According to the technical scheme of the pipe gallery construction method, the construction process is simplified, the construction difficulty is lowered, the pipe gallery construction method is especially suitable for stratum structures with a great deal of hard rock buried underground, the use frequency of large construction mechanical equipment is greatly decreased, fuel oil is saved advantageously, and energy consumption and pollution emission are lowered; and meanwhile, according to the pipe gallery construction method, damage to an internal stress structure of the underground soil body is extremely low, construction safety is ensured advantageously, and life safety of constructors is ensured.
Owner:贵州建工安顺建筑工程有限公司

Geotechnical engineering deep foundation pit supporting beam frame structure and using method

PendingCN112761162AGuaranteed unfolding stabilityAvoid leaningExcavationsPurlinDeep excavation
The invention discloses a geotechnical engineering deep foundation pit supporting beam frame structure and a using method, and belongs to the technical field of constructional engineering. The geotechnical engineering deep foundation pit supporting beam frame structure comprises a connector and a supporting frame enclosing purlin, wherein a containing groove is formed in a pressure applying block; a second rotating shaft and a third rotating shaft are fixedly connected in the containing groove; a triangular frame is rotationally connected to the second rotating shaft; a positioning cylinder is rotationally connected to the third rotating shaft; the triangular frame is rotationally connected with the positioning cylinder through a second connecting rod; a reinforcing rod is rotationally connected in the positioning cylinder; one end of the reinforcing rod is fixedly connected with a triangular plate, and the other end of the reinforcing rod is rotationally connected with a conversion base; the triangular frame is rotationally connected with the conversion base through a first connecting rod; and a driving part used for driving the triangular frame to rotate is arranged in the containing groove. According to the geotechnical engineering deep foundation pit supporting beam frame structure and the using method, through the expandable containing type steel supporting beams, the use number of the steel supporting beams is greatly reduced, the hoisting frequency is reduced, the safety is improved, and transferring is facilitated.
Owner:GUANGDONG RUIBO ARCHITECTURAL DESIGN & RES CO LTD

Communication method and device with complementary advantages of multi-master communication technology

The invention discloses a communication method and device for advantage complementation of a multi-master communication technology, and relates to the field of Internet of Things communication transmission. The method comprises the following steps:. The method comprises the following steps: initializing a sending sequence, an interval list and a latest receiving list; communication means are graded, and the sending sequence and the interval list are dynamically optimized; when to-be-sent data is generated, packaging the to-be-sent data into a datagram; according to the sending sequence and theinterval list, the packaged datagrams are sequentially sent out from multiple communication means to wait for an upper computer to respond; if the response exists, comparing the response datagram with the information of the recently received list, If the same data record exists, not executing the action and only returning the corresponding response along the original path; If the same data recorddoes not exist, executing an action. Simultaneous work of multiple communication means and possible conflicts between data receiving and sending are realized, so that the multiple communication meanswork independently and do not influence each other; the communication method is high in speed, high in efficiency and low in cost.
Owner:GUANGZHOU KONGTIAN COMM TECH SERVICE CO LTD
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