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47results about How to "Increase and decrease quantity" patented technology

Massive fragment data aggregation system and method

The invention discloses a massive fragment data aggregation system for two kinds of massive fragment data. The system comprises a fragment uploading module of a client, and a cache module, a verification library module, a document storage module, a fragment receiving module, a fragment processing module, a fragment combination module and a fragment aggregation module of a server. Correspondingly, the invention also discloses a massive fragment data aggregation method. By the system and the method, a plurality of technologies such as message queuing services, memory banks, document databases, daemon processes and the like are adopted, so that the massive fragment data can be highly efficiently processed and combined; and a strict combination strategy is adopted, so that combination accuracy is ensured.
Owner:BEIJING ANTIY NETWORK SAFETY TECH CO LTD

Flywheel array energy storage system with multiple parallel-connected flywheel energy storage units

InactiveCN102780230AOvercoming the deficiency of high processing costIncrease flexibilityAc network load balancingSynchronous motorFlywheel energy storage
The invention discloses a flywheel array energy storage system with multiple parallel-connected flywheel energy storage units. The flywheel array energy storage system comprises a public alternative current bus, a grid-tied static switch, a flywheel array controller, at least two flywheel energy storage units and unit controllers of the flywheel energy storage units, wherein the internal structures and the parameter characteristics of the flywheel energy storage units are completely identical; the flywheel energy storage units are tied into the public alternative current bus in a current source mode; and the number of the flywheel energy storage units can be increased or decreased randomly. According to the flywheel array energy storage system, a hierarchy control mode is adopted; a power necessary for maintaining the power balance of an alternative current grid is calculated by the flywheel array controller as an upper hierarchy controller, and the power is distributed to each flywheel energy storage unit controller by using a coordination control algorithm; and the unit controllers as a lower hierarchy controller utilize a flywheel energy storage unit control method to control a grid power conversion circuit, a flywheel motor power conversion circuit and a permanent magnetic synchronous motor to absorb or emit the power to the alternative current grid according to power instructions obtained by the unit controllers.
Owner:INST OF ELECTRICAL ENG CHINESE ACAD OF SCI

Method and device for realizing Ethernet interface system

The invention discloses a method and a device for realizing an Ethernet interface system. The method comprises the following steps: setting one of a plurality of Ethernet ports of an Ethernet switch chip into a CPU port, and setting the rest ports into external ports, wherein the CPU port is connected with an Ethernet controller; respectively allocating MAC addresses and IP addresses to the plurality of external ports, receiving an IP data packet comprising a destination MAC address same as the MAC address of each external port by each external port; and setting the CPU port and each external port into a plurality of virtual local area network (VLAN) respectively, wherein the IP data packet received / sent by each external port carries a VLAN tag of a VLAN to which the external port belongs. Through the invention, the Ethernet interface system with a plurality of Ethernet interfaces can be realized by fewer Ethernet controllers, the system hardware cost is saved and the implementation complexity is reduced.
Owner:ZTE CORP

Space-adjusting wire clamp

The invention discloses a space-adjusting wire clamp and relates to electric power fittings. The space-adjusting wire clamp is used for connecting a first conducting wire and a second conducting wirewhich are in parallel and comprises a wire clamp body, a cover plate, a lining tile, a first conducting wire clamping head, a second conducting wire clamping head, a double thread screw and at least one shim, wherein a staircase circle is arranged in the middle of the double thread screw ; the shim is arranged on the step circle; the first conducting wire clamping head and the second conducting wire clamping head are respectively connected with both ends of the double thread screw; and the number of the shims is selected according to the space between the first conducting wire and the secondconducting wire so as to ensure the space between the first conducting wire clamping head and the second conducting wire clamping head matches with the space between the first conducting wire and thesecond conducting wire. The invention has the advantages that the length of the wire clamp is adjusted by increasing and decreasing the number of the shims on a rod piece, thereby keeping the optimaldistance between the conducting wires and the peripheral products; and the space-adjusting wire clamp has the advantages of simple structure and convenient operation, saves the production cost and enhances the safety of the power circuit transmission.
Owner:JIANGSU SHUANGHUI POWER DEV

Multi-section swing arm crawler-type robot for detection of mine disasters

The invention discloses a multi-section swing arm crawler-type robot for detection of mine disasters. The robot comprises three sections of robot bodies, crawler-type traveling mechanisms, front and rear swing arm units, joint modules and power devices, wherein each section of robot body has an independent crawler-type traveling mechanism that is symmetrically arranged on the two sides of the robot body; the first and last robot bodies are respectively provided with two crawler-type swing arms; the swing arms can be controlled by a motor to rotate around the robot body; besides, crawlers of the swing arms are transmitted by driven wheels of the crawlers of the robot bodies, so as to realize synchronous rotation of the crawlers of the robot bodies and the crawlers of the swing arms; the robot bodies are connected with one another through joint devices which can realize pitching and yaw of each section of robot body; the first and last sections of robot bodies are respectively provided with the power devices; both of the two sections of robot bodies can be used to pull or push the whole robot. According to the multi-section swing arm crawler-type robot for detection of mine disasters disclosed by the invention, the integral construction of the robot is simple; the crawler-type traveling mechanisms feature excellent climbing and obstacle crossing performances; with use of the front and rear swing arms, ability of crossing vertical obstacles and relatively long gullies of the robot is improved; front and rear sets of power devices solve the problem of the robot in insufficient power in case of special terrains; utilization of multi-section construction helps greatly enhance balance and stability of the whole robot; in conclusion, a detection and rescue robot that is simple in structure, high in safety and strong in obstacle crossing ability is implemented according to the invention.
Owner:XIAN UNIV OF POSTS & TELECOMM

CAN bus-based garbage truck control system

The invention discloses a CAN bus-based garbage truck control system which comprises a cab CAN controller, a touch screen, a valve block CAN controller, CAN buses from 1 to 3, a button operation box, a rear operation disk, an induction switch module, a pressure sensor and a hydraulic electromagnetic valve module, wherein the cab CAN controller and the valve block CAN controller carry out CAN communication through the first CAN bus; the cab CAN controller and an engine ECU of a garbage truck carry out CAN communication through the second CAN bus; the cab CAN controller and the touch screen carry out CAN communication through the third CAN bus; the first CAN bus and the third CAN bus communicate with each other based on the CANOpen protocol; and the second CAN bus communicates based on the J1939 protocol. The CAN bus-based garbage truck control system simplifies the wiring harnesses of the whole truck, improves the reliability, the safety and the maintainability of an electrical line of the whole truck, realizes data sharing of the whole vehicle, is flexible for configuration, small in size and high in protection property and has a relatively large practical value.
Owner:JINGSU YUEDA SPECIAL VEHICLE CO LTD

Control method for air conditioner assisted electric heating

The invention discloses a control method for air conditioner assisted electric heating, comprising the following steps: 1. starting an air conditioner and detecting the operation frequency f of a compressor and the air speed r of an air conditioner internal unit; 2. while detecting that indoor environmental temperature value is Ti1, indoor coiled tube temperature value is Tp1, temperature difference value is Ts1 and outdoor environmental temperature value is To1, starting timing; 3. when timing is ended, detecting current values Ti2, Tp2, Ts2 and To2; if Ti1 is less than or equal to Ti2, Tp1 is less than or equal to Tp2, Ts1 is less than or equal to Ts2, and To1 is less than or equal to To2, executing step 4; otherwise, executing step 5; 4. according to corresponding conditions, respectively starting N electric heating elements until starting N-N electric heating elements and returning to step 2; otherwise, returning to step 2; and 5. according to other corresponding states, respectively starting one electric heating element until starting N electric heating elements and returning to steps 2; and otherwise, returning to step 2. The control method can adjust the working conditions of assisted electric heating according to environment and other factors.
Owner:AUX AIR CONDITIONING LTD BY SHARE LTD

Electric remote fault diagnosis system of tower crane

The invention relates to an electric remote fault diagnosis system of a tower crane. The electric remote fault diagnosis system is characterized by comprising a computer terminal, a mobile phone APP,a cloud server, a wireless data transmitting module, a programmable controller, a touch screen, a frequency converter, an acousto-optic alarming machine, a circuit breaker, a relay, sensors and strokelimiters; the sensors and the stroke limiters are correspondingly installed at all positions of the tower crane; the frequency converter, the programmable controller and the touch screen communicatewith one another by virtue of a 485 bus communication technology; the programmable controller is used for acquiring signals of the frequency converter, the sensors and the stroke limiters and transmitting the signals to the touch screen and the wireless transmitting module; the wireless transmitting module realizes data interaction of the programmable controller and the cloud server and realizes short message control and short message remind functions by virtue of a GPRS wireless communication technology; and the touch screen is used for a driver to implement real-time image-text monitoring and fault diagnosis on the running state of the tower crane in a running process.
Owner:ZHEJIANG HUBA CONSTR MACHINERY

Method for controlling auxiliary electric heating of air conditioner

The invention discloses a method for controlling auxiliary electric heating of an air conditioner. The method comprises the following steps: (1) turning on the air conditioner; (2) detecting the temperature value of indoor environment to be Ti1, detecting the temperature value of an indoor coil to be Tp1, detecting the temperature difference value to be Ts1, detecting the temperature value of outdoor environment to be To1, and timing; (3) when time is up, detecting the current values to be Ti2, Tp2, Ts2 and To2; if Ti1 is less than or equal to Ti2, Tp1 is less than or equal to Tp2, Ts1 is higher than or equal to Ts2 and To1 is less than or equal to To2, executing the step (4); otherwise, executing the step (5); (4) according to corresponding conditions, respectively turning on N electric heating pieces to turning on N-N electric heating pieces, and returning to the step (2); otherwise, returning to the step (2); (5) according to another corresponding states, respectively turning on 1 electric heating piece to turning on N electric heating pieces, and returning to the step (2); otherwise, returning to the step (2). The method can regulate the working condition of auxiliary electric heating according to factors such as environment.
Owner:AUX AIR CONDITIONING LTD BY SHARE LTD

Three-dimensional substation model-based deployment scheme and evaluation method of UWB positioning base stations

The invention relates to a three-dimensional substation model-based deployment scheme and evaluation method of UWB positioning base stations. In a scene of a precisely-reconstructed three-dimensionalsubstation model, UWB positioning base stations with most sight distance connections with a single target object under the same moment are counted through continuous stepping-type scanning on the target object in the scene of the three-dimensional substation model, a greater number indicates a better effect of a deployment scheme, and an optimal deployment scheme is found out through repeated testing. The three-dimensional full-station emulation model of precise modeling is used as a background, actual deployment results are realistically simulated, and consistency of an evaluation conclusionand an actual application effect is guaranteed; positions of the base stations can be arbitrarily adjusted in the model, the number of the UWB positioning base stations can be increased or decreased,and thus the deployment scheme can be conveniently changed to achieve the optimal result; and connection relationships between the UWB positioning base stations and the target object are collected inreal time, the number of the UWB positioning base stations with the most sight distance connections with the target object is accurately displayed, and a reliable basis is provided for signal qualityevaluation.
Owner:HONGHE POWER SUPPLY BUREAU OF YUNNAN POWER GRID

Novel cylindrical lithium battery PACK automatic separation and automatic assembling machine

The invention discloses a novel cylindrical lithium battery PACK automatic separation and automatic assembling machine. The automatic separation and automatic assembling machine comprises a machine body, an assembly line, a probe, a lead screw, a sliding rail, a sliding block, a cell positioning block, a bracket supporting push rod and a supporting push rod fixing block. By virtue of the novel cylindrical lithium battery PACK automatic separation and automatic assembling machine provided by the invention, material turning of the battery for 90 degrees can be realized through secondary positioning and turning over, so that the cell can be directly assembled into a bracket; meanwhile, assembling of different bracket cells can be satisfied by increasing or decreasing the number of the supporting push rods; in addition, one-to-one suction cells are adopted; distance between a magnet and a battery can be adjusted singly through a program; furthermore, a correlation optical fiber sensor automatic detection and cell positioning block is added in feeding, so that whether the battery is placed in a proper position or not can be known; and by combination with a PLC, whether the material is in a proper position or not can be detected without requiring an operator to observe visually, so that assembling reliability and efficiency can be greatly improved.
Owner:SHANGHAI ZHENGYUN NEW ENERGY TECHNOLOGY CO LTD

Multi-joint parallel bionic robot

The invention discloses a multi-joint parallel bionic robot comprising a joint body and a control cabinet. The joint body comprises a joint bracket, servo linear motors, a first spherical joint, a second spherical joint, ball screw modules and connecting legs. The joint bracket is provided with the servo linear motors, the number of the servo linear motors is three, the rotating ends of the servolinear motors are connected with nuts of the ball screw modules, and the whole robot is composed of a plurality of joints with the servo linear motors. The joints are bulb joints in rigid connection.Flexibility is achieved while rigid operation is guaranteed, the motion track is high in controllability, and various complicated actions can be made. Compared with traditional spring silk ribbon transmission or pneumatic muscle driving discrete joints, movement and control are more precise, and control is easy; and in addition, single joint bodies are convenient to install, the quantity of the joint bodies is conveniently increased and decreased, and flexible configuration in different occasions is achieved.
Owner:杭州龙盛工贸有限公司

High voltage pole lightning conductor lightning impact current monitoring system

The invention relates to a high voltage pole lightning conductor lightning impact monitoring system. The system comprises a lightning current detection device and a monitoring center, wherein the lightning current detection device and the monitoring center are connected through a GPRS mobile network, the lightning current detection device comprises a three-dimensional magnetic field detection sensor, the three-dimensional magnetic field detection sensor is connected with a primary amplification circuit, the primary amplification circuit is connected with a DC component removal circuit, the DC component removal circuit is connected with a secondary amplification circuit, the secondary amplification circuit is connected with a band-pass filtering circuit, the band-pass filtering circuit is connected with a data acquisition module, and the data acquisition module is connected with a GPRS data transmission module. The system employs the X, Yand Z triaxial magnetic field sensor, and lightning waveform change can be monitored in the monitoring center through the data.
Owner:CHINA THREE GORGES UNIV

Use method of movable refuge vehicle

InactiveCN101403315AEnsure safetyCut off communicationSafety equipmentsEngineeringBottle
The invention relates to a use method of a movable refuge cart which consists of a steel container, two air-tight doors are respectively arranged at the two sides of the steel container, wherein one is for use and the other one is for standby, a seat, an oxygen bottle and a washroom are installed in the steel container, and purified water, compressed cereal bar, first-aid appliance and the like are prepared for standby.
Owner:杜志刚

Marine anode controller and impressed current cathodic protection system

InactiveCN107699903ALow costGuaranteed overall performancePwm controllerFull bridge converter
The invention discloses a marine anode controller. The marine anode controller comprises a processing unit, an output unit and a local signal given circuit; the processing unit comprises a microcontroller; the output unit comprises a PWM controller, a full-bridge converter, a voltage and current detection circuit, an output quantity feedback circuit, an error detection circuit and an overvoltage and overcurrent protection circuit; the output quantity feedback circuit comprises a voltage feedback circuit and a current feedback circuit, and the error detection circuit comprises a voltage error detection circuit and a current error detection circuit; and the controller is further provided with a local remote control switching circuit and the local signal given circuit. According to the marineanode controller, the type and the amplitude of signals output to a sacrificial anode can be conveniently switched and changed according to requirements of users. Meanwhile, the invention further provides an impressed current cathodic protection system, the system is composed of a plurality of the anode controllers connected by an industrial computer, the controllers can be controlled separately,the operation is convenient, and the maintenance is convenient.
Owner:DALIAN KINGMILE ANTICORROSION TECH CO LTD

Ultra-long bridge type stacking machine shared by multiple roadways

The invention relates to an ultra-long bridge type stacking machine shared by multiple roadways. The ultra-long bridge type stacking machine comprises a horizontal operation mechanism, a cargo carrying table and a lifting operation mechanism. One end of the lifting operation mechanism is fixed to the horizontal operation mechanism, and the other end of the lifting operation mechanism is connected with the cargo carrying table and is mainly used for lifting the cargo carrying table and loading the cargo carrying table into the belly of the horizontal operation mechanism. The horizontal operation mechanism is arranged at the upper portion of a cargo shelf and can carry the cargo carrying table to horizontally operate on a ground rail at the upper portion of the cargo shelf, and lifting of the cargo carrying table between the different roadways of the cargo shelf is achieved through the lifting operation mechanism. A stand column structure of a traditional stacking machine is omitted, and H-shaped steel arranged on the cargo shelf is used for guiding; sharing of the stacking machine by the multiple roadways is achieved, and the conveying efficiency of the stacking machine is improved; and the length of the stacking machine can reach 16-20 m, and conveying of super-long materials such as steel can be completed.
Owner:ROBO TECHAUTOMATION SUZHOU CO LTD

Unstructured data and fragmented data aggregation system

The invention provides an unstructured data and fragmented data aggregation system. Message queue service, a memory library, a file type database and daemon process and various technologies are used, and the system can efficiently process and merge mass fragmented data of unstructured data (for example, audio and video data). A strict encryption and decoding strategy is used, and the system ensures safety and correctness of merging.
Owner:NANJING LES INFORMATION TECH

Feed strain fermentation tank with balancing and stirring devices

The invention relates to the technical field of feed strain fermentation tanks, and discloses a feed strain fermentation tank with balancing and stirring devices. The feed strain fermentation tank comprises a support frame, wherein a tank body is fixedly connected inside the support frame, a tank cover is lapped to the top of the tank body, a mounting base is fixedly connected to the top of the tank cover, fastening mechanisms are fixedly connected to two sides of the top of the tank cover, a drive mechanism is fixedly connected to the top of the mounting base, a stirring mechanism is fixedlyconnected to the output end of the drive mechanism, and the bottom of the stirring mechanism penetrates through the tank cover and extends to the inside the tank body. For the feed strain fermentationtank with the balancing and stirring devices, pull rings are pulled towards the outside, so that a pull rod and a movable plate are moved towards the outside, then a positioning rod is separated fromthe inside of a positioning hole, a balancing weight is conveniently taken down, a balancing mechanism is then conveniently removed from the fermentation tank, the balancing mechanism is convenientlyrepaired, and the problem that most of the existing balancing weights are welded to the balancing mechanism, and the balancing weights are heavy, so that people can not conveniently detach the balancing mechanism, is solved.
Owner:FOSHAN CHUANSUO BIOTECHNOLOGY CO LTD

Chain transmission material conveying device

The invention discloses a chain transmission material conveying device which comprises a base, a mounting frame, a driving mechanism, a plurality of connecting mechanisms and a plurality of clamping mechanisms. The mounting frame is arranged at the upper end of the base, the driving mechanism is arranged in the middle of the mounting frame, and the multiple connecting mechanisms are evenly arranged on the inner side of the mounting frame through the driving mechanism. The connecting mechanisms can be driven by the driving mechanism to move in the mounting frame, and the clamping mechanisms are symmetrically arranged on the connecting mechanisms. According to the device disclosed in the invention, the special clamping mechanisms are arranged, the materials are clamped through the self weights of the materials, operation is easy and convenient, rapid positioning clamping and rapid discharging in the using process are facilitated, clamping is firm, the materials are prevented from shaking or falling off in the conveying process, and the detachable connecting mechanisms are adopted in the clamping mechanisms. The number of clamping parts can be increased and decreased conveniently, the distance between the clamping parts can be adjusted conveniently, meanwhile, driving of the chain is adopted as the power on the whole, the strength is higher, and the bearing capacity is better.
Owner:JILIN UNIV

Internet of Things agricultural spraying irrigation equipment based on intelligent agriculture

The invention provides Internet of Things agricultural spraying irrigation equipment based on intelligent agriculture, relates to the technical field of agricultural irrigation, and aims to solve the problems as follows: when existing agricultural spraying irrigation equipment is used, the spraying head structure of the equipment is single, the spraying coverage area is generally fixed, the agricultural crop area is large, a water collecting pipe is long, the number of spraying heads is large, a frame body of the equipment is large, the movement route of the equipment is prone to deviation, meanwhile, the frame body can vibrate, the stability of spraying irrigation cannot be guaranteed, the connecting structure of the frame body is complex, the number of spraying heads cannot be increased easily, and the use requirement of different agricultural crop areas cannot be met. The Internet of Things agricultural spraying irrigation equipment based on intelligent agriculture comprises a moving frame, wherein a water tank is arranged in the middle of the top of the moving frame, and a water collecting pipe frame is arranged on the water tank. The connecting mode of every two connecting rods is simple, mounting and dismounting are convenient, the number of the connecting rods can be increased or decreased at will, the corresponding number of spraying heads can be matched, therefore, the use requirement of different crop areas can be met, waste of water resources is avoided, and the structure is more reasonable.
Owner:深圳都率神眼科技有限公司 +1

Cast-in-place prestressed slab and beam mould, construction method thereof and cast-in-place slab and beam manufactured by same

InactiveCN101761188AIncrease or decrease quantityIncrease the number of rebar layersFloorsGirdersPre stressEngineering
The invention relates to a cast-in-place prestressed slab (beam) mould. A monomer of the mould includes a frame which is connected with a main beam together through an upright post and is parallel to the main beam. A plurality of grooves (holes) for fixing prestressed bars are formed on the frame; a prestressed rib leveling straight bar is arranged on the frame; a plurality of screw holes used for mutual connection among a plurality of mould monomers, pipes (columns), pipe (column) buckles and support frame clamping bases are arranged on the uptight column and the main beam; and when the slab (bema) is manufactured by using the mould, two lateral end parts of each of the mould monomers can be connected into a straight shape or a rectangle shape or a shape of a prestressed concrete slab (beam) required to be subjected to cast-in-place on a building object in sequence. In the cast-in-place prestressed slab (beam) mould, because a pretensioned prestressed reinforcing steel bar can be fixed by the grooves (holes) of the prestressed bars formed on the frame, the pretensioned prestressed reinforcing steel bar can be added in the construction of the cast-in-place prestressed slab (beam). The weight of the slab (beam) with the same strength can be greatly reduced. Therefore, the cast-in-place prestressed slab (beam) manufactured by the cast-in-place prestressed slab (beam) mould has the advantages of good integrity, light self-body and low cost.
Owner:张军

Power supply used for mobile environmental protection equipment

The invention relates to a power supply used for mobile environmental protection equipment, and solves the technical problem of difficulty in maintaining single units of a lithium battery pack in the prior art. The lithium battery units of the lithium battery pack are mounted through a slot combination; the slot combination comprises multiple shunt-wound slot units; the quantity of the lithium battery units is not greater than that of the slot units; and each slot unit comprises a positive electrode mounting unit, a negative electrode mounting unit, a mounting mechanism and a locking mechanism. By adoption of the technical scheme, the problem is well solved; and the technical scheme can be used in the industrial production of the power supply for the mobile environmental protection equipment.
Owner:WUXI WELL ELECTRO HYDRAULIC EQUIP CO LTD

Joint recovery exercise auxiliary equipment for neurosurgery postoperative recovery

InactiveCN112569541AQuantity can be changed flexiblyIncrease and decrease quantityWeightsPostoperative recoveryNeurosurgery
The invention provides joint recovery exercise auxiliary equipment for neurosurgery postoperative recovery. The joint recovery exercise auxiliary equipment for neurosurgery postoperative recovery comprises a supporting base; a fixing structure; a pulling structure which comprises rotating shafts, connecting rods, a protection plate and a holding rod; a sliding structure which comprises a box body,a side sliding groove and a bottom sliding groove; a resistance structure which comprises a pull rope, a fixed pulley, weights, a connecting hole and a screw rod; and a pushing structure. The joint recovery exercise auxiliary equipment for neurosurgery postoperative recovery has the advantage that upper limb joint exercise can be conducted without getting up.
Owner:湖南泰贵生物科技有限公司

Prefabricated outer wall and PCF plate fixed connection structure and construction method thereof

The invention discloses a prefabricated outer wall and PCF plate fixed connection structure and a construction method thereof. The prefabricated outer wall and PCF plate fixed connection structure comprises a PCF plate, an outer wall plate, a connecting steel plate, a plurality of circular ring heightening gaskets, a bolt I and a bolt II, one part of the connecting steel plate is attached to the inner side of the outer wall plate, and the other part of the connecting steel plate is attached to the inner side of the PCF plate, a bolt sleeve I and a bolt sleeve II corresponding to the connectingsteel plate are pre-embedded in the PCF plate and the outer wall plate respectively, a through hole I and a through hole II are formed in the connecting steel plate, the bolt I penetrates through thethrough hole I and is in threaded connection with the interior of the bolt sleeve I, the bolt II penetrates through the through hole II and is in threaded connection with the interior of the bolt sleeve, and the circular ring heightening gaskets are arranged between the bolt I and the connecting steel plate and between the bolt II and the connecting steel plate correspondingly. According to the structure, a worker does not need to stand on a scaffold to reinforce the outer side of the PCF plate, reinforcement can be completed only in a floor, safety is guaranteed, penetrating holes do not need to be formed, and the vertical flatness of the PCF plate can be adjusted by adjusting the number of the circular ring heightening gaskets.
Owner:CHINA CONSTR FIRST DIV GROUP CONSTR & DEV

Under-actuated mechanical arm wrist based on gear transmission

The invention discloses a under-actuated mechanical arm wrist based on gear transmission, relates to a under-actuated mechanical arm wrist, and aims to solve the problem of incapability of satisfying environmental demands of a nuclear power plant caused by no possession of multiple power output functions by mechanical arms in multiple traditional mechanical arm wrists. An input gear end coats an output end of a motor; an outer-layer clutch is mounted on a support shaft; a passing shaft support rod is fixedly mounted on the input gear end; a passing wheel shaft is mounted on the passing shaft support rod; a middle-layer inner gear ring coats the support shaft; two middle-layer baffle plates are mounted on two sides of the middle-layer inner gear ring; a middle passing wheel coats the passing wheel shaft; the right end of a two-way clutch is mounted on the left side of the middle-layer inner gear ring; the left end of the two-way clutch coats the support shaft; an inner-layer inner gear ring coats the support shaft; an inner-layer passing wheel coats the passing wheel shaft; the passing wheel shaft is rotationally mounted in two inner-layer baffle plates; and an inner-layer output end is connected with a middle-layer output end. The under-actuated mechanical arm wrist is used for a mechanical arm working under such extreme environments as the nuclear power plant.
Owner:HARBIN INST OF TECH

Dynamic parking system combined with pavement functions

The invention provides a dynamic parking system combined with pavement functions. The dynamic parking system comprises multiple clients, a server and a parking lot; a roof of the parking lot is provided with a radian connected with the ground; the clients can sent parking reservation signals to the server; the server controls the number of the parking spaces of the parking lot according to the reservation signals, adjusts the number of storeys of the parking lot and the radian of the roof in real time and sends parking information and roof control signals to a parking management unit of the parking lot; the parking management unit of the parking lot controls the multi-storey parking lot to be arranged according to different demands for the parking spaces at different time period and controls the radian of the roof of the parking lot to be adjusted according to different storeys of the parking lot. By the arrangement, passage pavement is not occupied by the parking lot, the height of the pavement can be adjusted according to demands for the parking spaces, the height of the pavement is lowered when the demands for the parking spaces are low, the height of the pavement is increased when the demands for the parking spaces are high, and pavement passage of the parking lot is not hampered.
Owner:NANJING COMM INST OF TECH
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