Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

80results about How to "Does not affect operability" patented technology

Method for collecting mechanical characteristic parameters of breaker based on high-speed camera

A method for collecting the mechanical characteristic parameters of a breaker based on a high-speed camera comprises the following steps that (A) the high-speed camera (1) is used for capturing the image information of an operation mechanism (2) during moving in the closing and opening process of the breaker, wherein the operation mechanism (2) comprises a switching-on spring (3), a spindle (4), a metal connecting rod (5), a main connecting lever (6) and a switching-off spring (7); (B) the collected image information is input into an industrial personnel computer, images are analyzed and processed, and all the mechanical characteristic parameter values of the breaker are calculated; (C) conventional electric signals and vibration signals are fused in the mechanical characteristic parameter values obtained by processing of the images, and sound wave signals are combined for conducting analysis to obtain comprehensive and reliable mechanical characteristic parameter values. The parameter test precision and the speed calculated by the method are both greatly improved, a non-contact type measuring method is achieved, and the problem that sensor clamps for mounting different breakers are not universal on the site is solved.
Owner:YUN NAN ELECTRIC TEST & RES INST GRP CO LTD ELECTRIC INST +1

Sticking adiabatic cotton and method of making the same

This invention relates to adhesive heat isolation cotton and its process method, which is applied in forging with constant temperature of alloy with firm shape. The invention is characterized by the following: it comprises the isolation cotton, double adhesive agent, wherein, the isolation cotton is of ceramics fire wearing fiber in sale and its rectangle plate is distributed with parallel and crossed holes with distance between as 50mm and with depth less than the cotton thickness; the double adhesive agent is made by mixture of adhesive agent with room temperature and one with high temperature with their proportion as three to seven. The double adhesive agent in the cotton holes is above the surface of the cotton distributed discontinuously and finally for drying.
Owner:宝武特种冶金有限公司

Printing material quality online visual inspection system

In order to solve the defect of low inspection precision of the printing material quality online visual inspection device, the invention provides a printing material quality online visual inspection system. An inspection machine box and an inspection assembly arranged on the inspection machine box are arranged in a small space formed by a printing cylinder, a transmission link, series inking rollers and an ink delivering roller which are arranged in the printer; one end of the inspection machine box, which is close to the printing cylinder, is provided with a slit which faces to the surface of the printing cylinder and is parallel to the rotating shaft of the printing cylinder; a light source assembly is positioned on one end, which is close to the printing cylinder, of the inspection machine box; a linear array cameral assembly is positioned on one end, which is far away the printing cylinder, of the inspection machine box, and shoots the picture of the printing material on the printing cylinder through the slit; and a coder is arranged on the rotating shaft of the printing cylinder. The invention can perform online inspection for the printing material on the printing cylinder, not only has high inspection precision, but also has smart design and small size, can not occupy additional space, and is suitable for the online inspection for special printing material and common printing material.
Owner:BEIJING LUSTER LIGHTTECH

System and method for online monitoring fastening stress of bolts of wind driven generator

The invention provides a system and method for online monitoring the fastening stress of the bolts of a wind driven generator. The system comprises a monitoring probe, a temperature sensor, a data acquisition and processing device, and a monitoring system. By accurately positioning a specific wind driven generator, blades and bolts, the accurate position of a specific bolt is monitored. By monitoring the fastening stress of the whole round of bolts at the wind blade root of the wind driven generator detected by ultrasonic in real time, and performing correction based on a strain error caused by a temperature change of the environment where the bolt is located, the accurate actual fastening stress of the specific bolt is obtained, whether the bolt is loose or fractured is determined, and early warning and fault determination are promptly conducted. Thus, an operation and maintenance worker can know the health status of the blade root bolts ay any time. The system and method fill in thegap that there is no online real-time monitoring system for wind driven generator bolts.
Owner:长沙飚能信息科技有限公司

High-temperature and high-pressure reaction kettle electrode and on-line monitoring method with same

The invention relates to a high-temperature and high-pressure reaction kettle electrode. The high-temperature and high-pressure reaction kettle electrode is characterized by comprising an electrode bracket, an electrode pad and two electrode wiring terminals, wherein the electrode bracket is arranged in a reaction kettle; the electrode pad comprises a left electrode and a right electrode and is arranged on the electrode bracket; the two electrode wiring terminals are arranged on a cover of the reaction kettle; each electrode wiring terminal comprises a terminal body; an upper pole is arranged at the upper part of each terminal body; a lower pole is arranged at the lower part of each terminal body; the lower poles of the two electrode wiring terminals are connected with the left electrode and the right electrode on the electrode pad respectively. The invention also provides an on-line monitoring method with the high-temperature and high-pressure reaction kettle electrode. Under the cooperation of the high-temperature and high-pressure reaction kettle electrode and instruments such as an electrophoresis instrument and a conductivity meter, electrical parameters in scientific research and production processes of petroleum and petrochemicals can be measured on line.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

A region segmentation method for naturally placing grape bunch pedicel by machine vision

A region segmentation method for naturally placing grape bunch pedicel by machine vision is provided. A binocular vision system is constructed by adopting a multi-degree-of-freedom bracket, and that irradiation mode of diffuse reflective light source is designed to obtain grape bunch image, Then, the image is decomposed in HSI model, the circular convolution kernel with radius of 3 pixels is designed, the median filter is carried out pixel by pixel along the grape string image, and the LOG kernel function is used to sharpen the edge of the grape string image. Then, based on the distribution characteristics of grape edge region, the minimum distance between disconnected domains in the minimum neighborhood is used to represent the edge distance of grape, According to the distribution histogram of edge distance, the segmentation points of stem edge and kernel edge of grape bunch are obtained, and the morphological kernels of open and close are designed by using the segmentation points ofedge distance, and the morphological operation is carried out by using the adaptive convolution check image. Finally, the high precision and high efficiency segmentation of naturally placing grape bunch pedicel region is realized by machine vision.
Owner:JIANGSU UNIV

Control method of mobile terminal touch screen operation and mobile terminal

An embodiment of the invention provides a control method of mobile terminal touch screen operation and a mobile terminal. The control method includes: receiving a drop-down operation order, opening a drop-down interface according to the drop-down operation order, displaying a preset drop-down platform application on the drop-down interface, wherein the drop-down interface includes at least one system application; when receiving the application operation, executing the application function corresponding to the application operation order and displayed on the drop-down interface order until receiving an operation order to close the drop-down interface, and then close the drop-down interface. The control method sets the system applications frequently used by users on the drop-down interface, enables users to use corresponding applications directly through drop-down operation and then close the drop-down interface after use, does not affect any application or operation on the main interface of the mobile terminal, does not need the users to exit the applications displayed on the main interface, and effectively improves the switching speed of the application programs.
Owner:北京天宇朗通通信设备有限公司

Method, device and smoke exhaust ventilator for enhancing smoke extraction effect

The invention provides a device for enhancing smoke extraction effect. The device comprises a pressure stabilizing cavity and a wind direction change room, wherein the pressure stabilizing cavity is provided with an air inlet; the wind direction change room is communicated with the pressure stabilizing cavity and provided with an air outlet; and the wind direction changer room is suitable for enabling airflow discharged from the air outlet to form a rotating state. In addition, the invention also provides a method for enhancing the smoke extraction effect, and a smoke exhaust ventilator including the device for enhancing the smoke extraction effect. By adopting the technical scheme disclosed by the invention, the formed negative pressure zone is concentrated and extends downwards. Compared with the traditional smoke exhaust ventilator, the suspension height is reduced; the smoke extraction effect is obvious; smoke escape is reduced; the sight and the operation of a user are not affected; and the smoke exhaust ventilator is convenient to use. In addition, the device can achieve good smoke extraction effect with low air quantity, and has the advantage of being energy-saving.
Owner:BSH ELECTRICAL APPLIANCES JIANGSU

Keyboard structure

The invention discloses a keyboard structure, characterized in that a casing in the shape of a keycap is formed by stamping a metal foil base material in a manner of tool stamping and the external surface of the casing is ground and polished to result in smooth surface or specular gloss, a base having a jointing portion is stably and fixedly integrated with the inner surface of the casing in a manner of laser welding or gluing, and patterns or characters of key codes are formed on the external surface of the casing by means of laser graving, metal coating, etching coloration or screen printing, thus the keycap with such a thickness but certain thinness, excellent overall visual effect and great metallic texture and gloss is manufactured so that the surface of the keyboard structure is extremely outstanding in surface touch and pressing smoothness, and due to good structural strength, the keyboard structure is hardly deformed and damaged under pressing, thereby facilitating fast input of users and simultaneously reducing the using inconvenience and difficulty; the keyboard structure according to the invention includes better product competitiveness.
Owner:CHICONY ELECTRONICS

Long-handled probe interventional ultrasonic puncture depth control device

PendingCN107280736ADepth fine-tuningConveniently limit the locationSurgical needlesTrocarSurgical operationRadiology
The invention provides a long-handled probe interventional ultrasonic puncture depth control device, and relates to the field of interventional ultrasonic instruments in medical instruments. The long-handled probe interventional ultrasonic puncture depth control device comprises a puncture needle guide device and a depth control device, the puncture needle guide device is provided with a puncture guide cylinder for guiding a puncture needle, a probe fixing wing connected with a long-handled ultrasonic probe is arranged below the puncture guide cylinder, a clamping device for fixing the position of the puncture needle is arranged on the depth control device, and a connecting device for connecting the depth control device with the puncture needle guide device is further arranged on the depth control device. By the aid of the puncture needle guide device and the depth control device, the position of the puncture needle in the puncture guide cylinder can be conveniently limited, the puncture needle is locked in the surgical operation process according to treatment requirements, and hands of a doctor are released to perform other diagnosis and treatment operation. The depth control device can be conveniently mounted and detached in the surgical process, and ultrasonic detection and puncture operation cannot be affected.
Owner:YICHANG CENT PEOPLES HOSPITAL

Electrically curvable endoscope device

To provide an electric bending endoscope device which can always ensure good operability when using the endoscope without imposing a weight burden on the operator during the operation of the endoscope. The electric bending endoscope device includes at least: an electric bending endoscope capable of observation and treatment in a body cavity, including an elongated insertion portion inserted into the body cavity, and a device for electrically bending and driving a part of the insertion portion. A bending drive device, and an operating part that is separate from the bending drive device and electrically connected to the bending drive device; a system controller, electrically connected to the electric bending endoscope, and controls the electric bending endoscope as a whole; and An endoscope holding device, which includes a bending drive unit with a built-in bending drive device and holds a part of the electric bending endoscope, and an arm connected to and held on the bending drive unit; by attaching and detaching the bending drive unit It is freely connected and arranged on the base end side of the insertion part, and electrically connects the electric bending endoscope and the bending driving device.
Owner:OLYMPUS CORP

Endoscope with movable front end

The invention relates to the technical field of endoscopes, and discloses an endoscope with a movable front end, which comprises a main tube, at least one elastic deformation part, a driving unit and a camera part, the main pipe comprises a bending part and a main pipe cavity, the bending part is used for bending the front end of the main pipe, and a working appliance is inserted into the main pipe cavity; the elastic deformation part can shield an outlet of the main pipe cavity; the driving unit is used for applying acting force to the elastic deformation part, so that the elastic deformation part is elastically deformed to generate radial movement along the main pipe shaft, and the elastic deformation part is moved away from or back to an outlet of the main pipe cavity; the imaging part is used for observing a detected body; and the camera part is arranged on the elastic deformation part or is independent of the elastic deformation part and is rigidly connected with the main pipe. According to the endoscope with the movable front end, under the condition that the insertion performance and operability of the endoscope in a human body lumen are not affected, the size of a working channel can be increased, an image sensor with a large size can be used, and the efficiency that a doctor uses the endoscope for treatment is improved.
Owner:PEKING UNIV +1

Cross sliding screen operation method of cell phone

The invention relates to a cross sliding screen operation method of a cell phone. A user can switch between a global mode and a local mode on any interface of the cell phone through a switching button or a switching signal; in the global mode, the user can slide on the screen left and right so as to switch the left sliding and right sliding of the screen between a current information display window and another information display window, or slide on the screen up and down so as to switch the up sliding and down sliding of the screen between a longitudinal current information display window and another information display window; and in the local mode, the user slides up and down, left and right and the like to carry out such operation as up-down, left-right sliding and the like on information contents in the current information display window under the current information display window. The cross sliding screen operation method of the cell phone has the advantages that all functional windows are realized by up-down and left-right sliding screen operation, the framework of the whole system has clear logics, the operation is convenient, the use is intuitive, the switching of all sub functional modules is convenient, and the operation performance in each sub module is not affected.
Owner:周雪斌

Navigation system used for shaft fracture intramedullary reduction and use method thereof

InactiveCN106859766ARealize axial alignmentAchieving Rotational AlignmentSurgical navigation systemsX-rayNavigation system
In order to solve above technical problems, the invention provides a navigation system used for shaft fracture intramedullary reduction. The system comprises a marrow cavity endoscope, an image display module, a computer, an electromechanical control module, and a mechanical traction frame. The image display module is electrically connected between the marrow cavity endoscope and the computer. The electromechanical control module is electrically connected between the mechanical traction frame and the computer. The marrow cavity endoscope acquires image signals of proper positions, and transmits the image data to the computer through the image display module. After the image data is displayed, analyzed and processed on the computer, a displacement instruction is transmitted to the electromechanical control module. The electromechanical control module drives the mechanical traction frame to complete corresponding displacement operation. The system is characterized in that operation is simple, axial alignment and rotation alignment are realized, X-ray radiation damages are prevented, the system monitors reduction state in real time, and is high in precision, and can maintain a satisfied closed reduction state for a long time.
Owner:SHENZHEN PEOPLES HOSPITAL +1

Safety energy-saving method for stand-by state of electric appliances and controller thereof

This invention relates to a stand-by safety energy saving method and its device for electrical appliances including CPU, a memory, infrared send / receive system and a power source. It also includes zero-cross and an on / off detection circuit in series in AC input line and the output is linked with an end of CPU relay providing AC power to controlled appliances, its zero-cross trigger driver and a manual switch / study keys. Method: the original machine infrared remote controller sends on / off signals to an infrared send / receive system, the received data signal by CPU is compared with the data preset in the memory, if the result is the same, then it's regarded as a correct signal, the zero-cross trigger driver is triggered or closed to pick-up or break the relay, CPU decides if the appliance continues working or stands-by.
Owner:SANYO TECH CENT SHENZHEN

Clamp for automobile top cover assembly

The invention provides a clamp for an automobile top cover assembly. The clamp comprises a platform and a clamping mechanism which is arranged on the platform. The clamping mechanism comprises an air window pull rod support left reinforcement plate clamping mechanism, a first top cover left support plate and a second top cover left support plate in sequence. An air window pull rod support right reinforcement plate clamping mechanism is arranged symmetrical to the air window pull rod support left reinforcement plate clamping mechanism, a first top cover right support plate clamping mechanism is arranged symmetrical to a first top cover left support plate clamping mechanism, a second top cover right support plate clamping mechanism is arranged symmetrical to a second top cover left support plate clamping mechanism, and a top cover right reinforcement plate clamping mechanism is arranged symmetrical to a top cover left reinforcement plate clamping mechanism. In the process of arranging positions of all the clamping mechanisms, according to production needs, the clamp for the automobile top cover assembly symmetrically, sufficiently and effectively fixes the automobile top cover assembly in a segmenting mode according to portions, and on the premise that a good fixing effect is guaranteed, machining operation performed on the assembly is not affected, and production quality is guaranteed.
Owner:JIANGSU KAWEI SPECIAL PURPOSE VEHICLE MFG

Multifunctional intelligent switching device for double-leaf sliding window

The invention discloses a multifunctional intelligent switching device for a double-leaf sliding window, which comprises a motor (15), a gear (3) and a rack (17), wherein the gear (3) is mounted on an output shaft of the motor (15); the rack (17) is mounted on a lower frame of a leaf of the sliding window, and faces towards the other leaf of the sliding window; teeth of the rack (17) faces downwards; the motor (15) and the gear (3) are mounted at one corner of a lower frame of the other leaf of the sliding window; the gear (3) is engaged with the rack (17), and located below the rack (17); and the motor (15) is electrically connected with a window switching controller and a power supply. The device has the advantages that the device is simple and reasonable in structure, concise, attractive and energy-saving; a transmission mechanism controls the double-leaf sliding window; unattended operation and intelligent control are performed; when a solar cell panel and a storage cell are used, no wire or cable is exposed; and the device and the sliding window are integrated. The device is suitable for various double-leaf sliding windows or double-leaf sliding doors, furniture and small household appliances which are provided with the double-leaf sliding doors, and the like.
Owner:FUJIAN YIGEN GLASS IND

Wearable device data access control method, method of data migration between wearable device and mobile terminal, and system thereof

The invention discloses a method of data migration between a wearable device and a mobile terminal. The method comprises steps that the connection between the mobile terminal and the wearable device is established; the mobile terminal is used to transmit a control instruction of acquiring data including multimedia information to the wearable device; the wearable device responds to the control instruction of acquiring the data, and the corresponding data is acquired; the wearable device is used to transmit the acquired data to the mobile terminal; the mobile terminal is used to transmit the control instruction of clearing records to the wearable device after receiving the data; the wearable device responds to the control instruction of clearing the records, and is used to clear the data related to the interaction process with the mobile terminal and accessing records. The invention also provides a system of realizing the above mentioned method, a wearable device data access control method, and the wearable device. The mobile terminal is capable of accessing the wearable device in a traceless way, and is capable of acquiring effective data, and then the safety and the education of the user of the wearable device are protected.
Owner:BEIJING QIHOO TECH CO LTD

Method and system for obtaining base station transmission bandwidth threshold by RNC (Radio Network Controller)

InactiveCN102843704ADetect actual bandwidth thresholdControl implementationNetwork traffic/resource managementConnection managementPacket lossRadio Network Controller
The invention discloses a method for obtaining a base station transmission bandwidth threshold by an RNC (Radio Network Controller). The method comprises the step of reporting a current bandwidth threshold of a physical port of a base station to the PNC by the base station after the connection between the base station and the RNC is established. The invention simultaneously discloses a system for obtaining the base station transmission bandwidth threshold by the RNC. By adopting the method and the system, disclosed by the invention, the actual bandwidth threshold of the base station can be effectively detected by the RNC, thus the bandwidth threshold, which is currently preserved, of downlink CAC (Call Admission Control) and downlink flow control of an IUB interface of the RNC can be timely updated by the RNC, thus the CAC and the flow control can be effectively implemented, the service quality can be ensured, and the congestion and the packet loss can be avoided.
Owner:ZTE CORP

Closed conveyor

The invention discloses a closed conveyor, relates to a material conveyor, and aims to solve the problems of incapability of realizing closed conveying and incapability of changing the conveying direction in a traditional belt conveyor. Left and right mounting frames are arranged in parallel; left and right side edges of a conveying belt are upwards turned and tightly bonded to form a pipe shape or a cylinder shape; and after the conveying belt is matched and connected with a conveying mechanism on the right mounting frame in sequence, the conveying belt is bypassed through a steering wheel from right to left, then, is matched and connected with a conveying mechanism on the left mounting frame, is gradually unfolded to bypass through an unloading roller from top to bottom, and is overturned up and down to seal with the back end for butt joint to form a closed loop. The conveying belt is kept in a sealed state to realize closed material conveying; the conveying distance is changed through changing the lengths of the mounting frames and the conveying belt; and the direction of the conveying belt is changed through adding an auxiliary steering wheel and adjusting the extending directions of the mounting frames to realize turning conveying or high-height-fall conveying or even vertical conveying. The closed conveyor is used for material conveying.
Owner:NANO PHARM TECH MACHINERY EQUIP

Automobile backward slip resistant device

The invention provides an automobile backward slip resistant device, which belongs to the field of automobile brake and solves the problem that the existing hand-operated gear automobile is troublesome in ramp starting operation. The automobile backward slip resistant device is provided with a control unit, a sensor unit, a driving mechanism, an actuating mechanism and an unidirectional mechanism, when the control unit judges that an automobile is in a ramp starting state, the control unit controls the driving mechanism to drive the actuating mechanism, the actuating mechanism drives the unidirectional mechanism to operate so as to prevent the automobile from drawing back. Therefore, the automobile backward slip resistant device can effectively prevent the automobile from drawing back, moreover, all the operations are completed automatically under the adjust and control of the control unit of the automobile, so that the difficulty in operation of the hand-operated gear automobile is reduced, and the abrasion and oil consumption of a clutch are reduced, meanwhile, the automobile backward slip resistant device is simple in structure and high in efficiency.
Owner:ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1

Intelligent blackboard

The invention relates to an intelligent blackboard. The blackboard comprises a main body, a projection module, an infrared laser emitter, a depth camera and a function key region. The projection module, the infrared laser emitter, and the depth camera are arranged on the same side of the main body. The projection module is arranged on the upper end of the same side. The infrared laser emitter andthe depth camera are parallelly arranged under the projection module. The function key region is arranged on the other side of the main body. The projection module comprises a variable-focus projection emission end which is capable of rotating for a certain angle relative to the main body. According to the invention, by use of the rotatable projection module, the image of the intelligent blackboard can be obliquely projected on a desktop in an ultra-short focus manner, so a teacher is capable of carrying out motion sensing interaction operation in a detection range of the infrared laser emitter and the depth camera; multiple students can sit around the teacher to observe and demonstrate operation taught by the teacher.
Owner:江门市星望教育科技有限公司

Interaction method and device of player type application program

The invention discloses an interaction method and device of a player type application program. The method includes the following steps that according to a first preset rule, a displayed image is obtained; controllable elements in a playing interface of the player type application program is obtained; the skin of the controllable elements can be generated according to the displayed image and displayed in the playing interface of the player type application program. According to the method of the player type application program, the skin of the controllable elements can be generated according to the displayed image and displayed in the playing interface of the player type application program, so that space is not occupied specifically, the content displayed in the playing interface is not blocked, user operation and the hearing effect are not affected and user attention is boosted. Meanwhile, the generated displayed image changes along with the playing conditions, joy is enhanced and user experience is promoted.
Owner:BEIJING YINZHIBANG CULTURE TECH CO LTD

Thickening agent, thickening agent composition and preparation method of thickening agent

The invention discloses a thickening agent, a thickening agent composition and a preparation method of the thickening agent. The structural formula of the thickening agent is shown in the description,wherein R1 represents methyl, ethyl and phenyl; R2 represents hydrogen; R3 represents allyl glycidyl ether, glycidyl acrylate or 3-allyl-7-oxabicyclo[4.1.0]heptan; and R4 represents one of allyl propionate, allyl butyrate, allyl valerate, allyl isovalerate, allyl heptanoate, allyl octanoate, allyl phthalate; and a is more than or equal to 1, b is more than or equal to 1, c is more than or equal to 1, and the sum of a, b and c is more than or equal to 10 and less than or equal to 60. The composition contains the thickening agent and a metal coupling agent. According to the thickening agent composition, an encapsulation adhesive has relatively wide universality to the adhesion of different bracket materials, and the use cost of the encapsulation adhesive is lowered; and the mechanical performance, operation performance, storage performance and stability of the encapsulation adhesive are not influenced.
Owner:东莞市贝特利新材料有限公司

Data processing method and device for distributed file system

A method and an apparatus for data processing of a distributed file system are disclosed in the embodiment of the present application, depending on the network link subtable for the different source addresses, the method comprises: in response to a processing request for a network link corresponding to a target OSD management module, applying a target lock of a target network link sub-table corresponding to the target OSD management module; and splitting a read-write lock of the network link sub-table corresponding to the target OSD management module. When the target lock is obtained, a processing operation corresponding to the processing request is performed on the target network link sub-table. The read-write locks of each network linked sub-table do not affect each other, which can greatly reduce the impact of the read-write locks on the performance, reduce the waiting time, and improve the system performance.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD

Hydraulic system with priority function

ActiveCN103696997AImprove the performance of common actionsEasy to completeServomotor componentsServomotorsTraffic capacityEngineering
The invention relates to a hydraulic system with a priority function. According to the hydraulic system, a first main pump carries out the switchover of supplying oil to a second or first hydraulic actuator or simultaneously supplying oil to the first and second hydraulic actuators through a first main pump switching valve set, a second main pump carries out the switchover of supplying oil to the first hydraulic actuator or the second hydraulic actuator through a second main pump switching valve set, a fourth reversing valve is provided with a valve core displacement limit device, and the valve core displacement limit device comprises a valve core which is located in the movement direction of a valve core of the fourth reversing valve and a control oil port which is communicated with a first manual pilot hydraulic valve. The hydraulic system has the advantages that the problem of flow distribution in compound action can be solved, a machine of the system has the priority function, the performance of the collaborative action of two or more actuators can be improved, and the required elements are fewer, simple and reliable and are low in cost; by applying the system, an operator can complete expected operation in an easier manner, and meanwhile, the performance of separate operations or other complex operations cannot be affected.
Owner:LIUZHOU LIUGONG EXCAVATORS +2

Load sensitivity-based excavator rotary energy-saving hydraulic system and control method

The invention discloses a load sensitivity-based excavator rotary energy-saving hydraulic system and a control method. The load sensitivity-based excavator rotary energy-saving hydraulic system includes a first energy conversion element and a second energy conversion element mounted on the input end and the output end of a rotary hydraulic motor, the drive shaft of the first energy conversion element is connected with a first motor / generator through a first torque tester, the drive shaft of the second energy conversion element is connected with the second motor / generator through a second torque tester, and the first motor / generator and the second motor / generator are electrically connected with an electric energy storage device respectively. According to the load sensitivity-based excavatorrotary energy-saving hydraulic system, mutual conversion of hydraulic energy and mechanical energy can be realized by controlling different work states of a motor or generator of the first motor / generator or the second motor / generator according to a load power state fed back by the first torque tester or the second torque tester by respective controllers, and thus, the kinetic energy during braking is recovered and reused during the rotary start-up.
Owner:XUZHOU UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products