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36results about How to "Flexible and convenient choice" patented technology

Quick forming screw extruding jet device for thermoplastic particle material

The quick forming and screw extruding jet device for thermoplastic particle material belongs to the field of fast forming and smelting extrusion stacking technology in mechanical processing. The device includes push rod feeding mechanism, reducing worm gear transmission mechanism, micro extruding screw jet mechanism and temperature controlling heating mechanism. The push rod feeding mechanism consists of electromagnet, push rod and switching joint, and realizes the intermittent feeding of particle material via the reciprocation of the push rod notch between the material bin and material barrel. The present invention is a ideal smelting, extruding, stacking and forming jet device with effectively lowered cost, raised processing speed and less flow casting.
Owner:SHANGHAI JIAO TONG UNIV

Araneose hollow optical fiber

The optical fiber is composed of fiber core area, coating layer and external coating layer. Characters are that the fiber core area is air; coating layer is in araneose structure including alternant layers between single material and air in concentric circles as well as support bars distributed on section symmetrically. The invention uses araneose coating structure of single material to replace hollow core fiber of all directional medium reflectors composed of two media. Transmission characteristics between the fiber produced from single material and fiber prepared from two media. Advantages are: increasing realizability, extending varieties available to be produced, and spectral range possible to be transmitted.
Owner:YANSHAN UNIV

Method for determining voice right distributing mode and group communication system

A method for confirming distribution mode of voice right includes enabling to select distribution mode of voice right as per characteristics of current session before cluster call is launched is by calling terminal and sending selected mode to cluster communication server being used to judge whether voice right distribution mode can be selected by calling terminal or not and confirming voice right distribution mode for current session according to judged result to let session starting terminal select voice right distribution mode flexibly according to characteristics of current session.
Owner:HUAWEI TECH CO LTD

Large-screen partition display method, play terminal and system of digital audio-visual place, and digital video-on-demand system

InactiveCN106060606ASolve the problem of needing to occupy a separate screenLow costSelective content distributionDigital videoImage resolution
The invention belongs to the technical field of content projection, and specifically relates to a large-screen partition display method, play terminal and system of a digital audio-visual place, and a digital video-on-demand system. The method comprises the following steps: the play terminal obtains a screen partition display template from a management server, the play terminal obtains content sources of various sub regions, the play terminal adjusts resolution of the content sources of the sub regions so that the resolution of each content source of the corresponding sub region is consistent with resolution of a corresponding sub region in the screen partition display template, and the play terminal synchronously decoding the content sources of the various sub regions respectively and then perform play and display. Multi-screen contents can be displayed on sub regions of the same screen, and, through a sub region template prefabrication mode, screen partition display modes can be flexibly and conveniently selected.
Owner:福建凯米网络科技有限公司

Comprehensive charging system of large inland river electric ship

The invention relates to a comprehensive charging system of a large inland river electric ship. The comprehensive charging system comprises a charging station, an outdoor integrated centralized shoreelectricity box and a charging gun module. The charging station provides an alternating current power supply and a direct current power supply to the outdoor integrated centralized shore electricity box and the charging gun module. The outdoor integrated centralized shore electricity box is used for collecting a wharf shore base alternating current power supply and direct current power supply, charging or supplying electricity to the ship in a centralized mode, and monitoring the charging or electricity supplying state. The charging gun module is used for enabling the integrated centralized shore electricity box to be in butt joint with the large pure electric ship and meanwhile conducting alternating current electricity supplying and direct current electricity supplying. By adopting the comprehensive charging system, the number of electricity transmission conducting wires required for direct current electricity transmission lines with the same transmission power is small, resistance heating and electric energy loss are small, reactive power loss of inductive reactance and capacitive reactance is avoided, the transmission power is greatly increased through reducing of the electricity transmission unit loss, and the energy saving effect in electricity transmission is improved.
Owner:GUANGZHOU DEV GRP CO LTD +3

Nuclear power plant overhauling path intelligent planning system and application method thereof

The invention discloses a nuclear power plant overhauling path intelligent planning system and an application method thereof. The system comprises a detection device, a signal transmission device, a database, a data synchronization processing module, a path planning module, a result display module, an input interface and a user operation interface. The detection device is used for detecting radiation dose rates at respective positions in a nuclear power plant and transmitting the radiation dose rates to the database via the signal transmission device. The data synchronization processing module is used for calling the information of the database and performing synchronization. The path planning module is used for planning a reasonable path for a user according to the stored information of the database and a target position selected by the user. The result display module is used for displaying the map information of the nuclear power plant and the reasonable path planned by the path planning module. The input interface is used for providing the user to connect and operate the user operation interface. The system uses an artificial intelligence algorithm, is fast in path planning response, accurate and efficient, achieves real-time planning, and can meet the overhauling needs of the nuclear power plant.
Owner:SOUTH CHINA UNIV OF TECH

Automatic test equipment and method for touch device

The invention discloses an automatic testing apparatus and a corresponding method used for a touch device. The automatic testing apparatus comprises a clamp unit (101) which is connected with the touch device (10) through data means and used for fastening the touch device; at least one detecting unit (102) which senses the touch device and is used for simulating the operation of users; a support unit (103) which is connected with the detecting unit and used for controlling and fastening the detecting unit; a data processing control unit (104) which is connected with the clamp unit and the support unit and used for receiving the data from the clamp unit and support unit and controlling the units through feedback. Adopting the automatic testing apparatus and the method used for touch devices can realize the automatic test to touch devices so as to enhance manufacturing efficiency, reduce failure products, raise the reliability of products and avoid the impact of manual errors.
Owner:SUZHOU LATEST ELECTRONICS

Scientific instrument work state monitoring method based on control computer

The present invention relates to a scientific instrument working state monitoring method based on control computer. It is composed of three portions of sate data acquisition, state data processing and data telecommunication terminal. Said state data acquisition portion adopts a multimode combined detection method based on mouse keyboard hook, software interface characteristics, journal file and communication interface data flow. It is characterized by utilizing detection for control software and control computer to obtain working state of instrument. The state data processing portion is used for processing state data into unified format. The data telecommunication terminal can be used for sending data into remote monitoring server, and the communication mode of said data telecommunication terminal and control computer has RS-232, USB and TCP / IP, and the telecommunication mode includes ADSL, LAN, WLAN, GPRS and CDMA.
Owner:JILIN UNIV

Relative humidity sensor device based on nano coaxial cavity structure and surface plasmon effect and manufacturing method thereof

The invention discloses a relative humidity sensor device based on a nano coaxial cavity structure and a surface plasmon effect and a manufacturing method thereof. The main structure is a nano metal coaxial cavity array, and the coaxial cavities are filled with gel and reflective fiber optic probes. The humidity sensing principle is that the reflective index of gel filled in the coaxial cavities is influenced by the relative humidity of surrounding environment; the micro change of reflective index in coaxial cavities will cause the deviation of harmonic peak of plasmon on the inner surface of coaxial cavities, and in the reflectance spectrum, the deviation is the deviation of minimal value of reflection. The wavelengths of minimal values of the reflectance spectrum and relative humidifies are in a one-to-one correspondence relationship, and thus the relative humidity can be calculated according to the wavelength of minimal value of reflection. The manufacturing method comprises the following steps: adopting a nano sphere self-assembling method to produce a single layer composite microsphere array, carrying out etching and film plating to form a coaxial cavity array, and finally evenly filling gel into the cavities. The provided relative humidity sensor device is an all-optical work device, and is capable of realizing all-optical sensing network.
Owner:NANJING UNIV OF INFORMATION SCI & TECH

Induction type touch screen and control method thereof

The present invention discloses an induction type touch screen and a control method thereof. The induction type touch screen comprises a touch layer having a top surface and a bottom surface, a pressure sensor array and touch control perception sensors which are connected to the bottom surface of the touch layer, a control unit connected with the pressure sensor array and the touch control perception sensors, and a touch screen housing composed of a substrate and the periphery; the pressure sensor comprises a control unit, and a circular capacitor unit group and a strip-shaped capacitor unit group which are respectively connected with the control unit; the circular capacitor unit group is used for measuring values of tangential force and normal force; the strip-shaped capacitor unit group is used for measuring direction of the tangential force; the strip-shaped capacitor unit group is disposed at four corners of an external substrate of the circular capacitor unit group; the touch layer is disposed in the touch screen housing; the touch layer and the periphery are directly provided with buffer layers prepared by elastic materials; and the control unit comprises a touch control behavior control unit, a position acquisition control unit, and a master control unit connected with the touch control behavior control unit and the position acquisition control unit.
Owner:ANHUI TECHN COLLEGE OF MECHANICAL & ELECTRICAL ENG

Three-dimensional multiple-point type touch screen and control method thereof

The present invention discloses a three-dimensional multiple-point type touch screen and a control method thereof. The three-dimensional multiple-point type touch screen comprises a touch layer having a top surface and a bottom surface, a pressure sensor array and touch control sensing sensors which are connected to the bottom surface of the touch layer, control units respectively connected with the pressure sensor array and the touch control sensing sensors, and a touch screen housing composed of a base and the periphery; the touch layer is disposed in the touch screen housing; the touch layer and the periphery are directly provided with buffer layers prepared by elastic materials; the control units comprise a touch control behavior control unit, a position acquisition control unit, and a main control unit respectively connected with the touch control behavior control unit and the position acquisition control unit; the position acquisition control unit is used for acquiring the touch control number and touch control positions; and the touch control behavior control unit is used for detecting whether the touch screen is touched or not.
Owner:ANHUI TECHN COLLEGE OF MECHANICAL & ELECTRICAL ENG

Shock absorption-based three-dimensional multi-point touch screen and control method thereof

The invention discloses a shock absorption-based three-dimensional multi-point touch screen and a control method thereof. The shock absorption-based three-dimensional multi-point touch screen comprises a touch layer, a pressure sensor array, a touch perception sensor, a control unit and a touch screen shell, wherein the touch layer comprises a top surface and a bottom surface; the pressure sensor array and the touch perception sensor are connected to the bottom surface of the touch layer; the control unit is connected with the pressure sensor array and the touch perception sensor; the touch screen shell comprises a substrate and a periphery; each pressure sensor comprises a pressure sensing control unit, as well as an X-direction capacitor unit group and a Y-direction capacitor unit group which are separately connected with the pressure sensing control unit; each X-direction capacitor unit group and each Y-direction capacitor unit group both comprise capacitor unit modules; each capacitor unit module adopts a comb-shaped structure comprising two or more strip-shaped capacitor units; each strip-shaped capacitor unit comprises a driving electrode of an upper electrode plate and a sensing electrode of a lower electrode plate. The shock absorption-based three-dimensional multi-point touch screen has the advantages that through the adoption of the improved pressure sensor, a plurality of simultaneous touches can be sensed timely and accurately, and the pressure and track of each electric shock can be recorded accurately.
Owner:ANHUI KECHUANG PRODUCTIVITY PROMOTION CENT CO LTD

Electronic book reading machine and its electronic-text compressing and decompressing method

The electronic book reading machine consists of casing, liquid crystal display screen, key array, computer interface, battery compartment and circuit board connected together. Its compression method supports blocked compression and partial decompression. The reading machine decompresses the compressed text to the present reading position and displays text in its display screen; and the partial decompression is direct decompression after equal-width cutting. The "blocked compression" of the present invention can utilize the memory space fully and increase the length and the number of the stored text greatly. The "partial decompression" makes it possible to decompress the required content randomly and this raises the responding speed greatly. The electronic reading machine can be operated easily and flexibly.
Owner:SOUTH CHINA UNIV OF TECH

Device and method for enhancing multi-channel transmitter covering

The invention discloses a device and a method for enhancing multi-channel transmitter covering. The device comprises a baseband control module, a digital-analog conversion module, an up frequency conversion module, a combiner module and a power detection module. The method comprises the following steps: utilizing each channel opened by a combiner switch to receive inputted digital signals and respectively carry out modulation and phase modulation processing to send, wherein the received digital signals of each channel opened by the combiner switch are same; receiving the processed digital signals sent by each channel and respectively converting the digital signals into analog signals to be sent; receiving the analog signals sent by each channel, and respectively carrying out up conversion processing for the analog signals to obtain radio-frequency signals to be sent; receiving the radio-frequency signals sent by each channel, and stacking the radio-frequency signals of each channel opened by the combiner switch to be outputted; and real-time detecting the power value of the outputted signals to report the detecting results. The method combines the multi-channel signals of the multi-channel transmitter into a carrier wave to obtain different-level transmission gain.
Owner:温雅静

Composite hydrophillic printing substrate and manufacturing and regenerating methods thereof

The invention discloses a composite hydrophillic printing substrate and manufacturing and regenerating methods thereof. The composite hydrophilic printing substrate comprises an aluminium foil, a substrate layer arranged on a side surface of the aluminium foil, a hydrophillic layer arranged on the side of the substrate layer far from the aluminium foil and an organic plate connected to the side ofthe aluminium foil which is not provided with the hydrophillic layer. The manufacturing method comprises the following steps: coating the substrate layer on at least one side surface of the selectedaluminium foil; coating the hydrophillic layer on the side surface of the substrate layer far from the aluminium foil; coating photosensitive emulsion on a side surface of the hydrophillic layer far from the aluminium foil, and coating adhesive glue on a side surface of the aluminium foil far from the substrate layer; and adhering the organic plate to the surface of the aluminium foil coated withthe adhesive glue and pressing through lamination. The regenerating method comprises the following steps: cleaning to remove ink on the printing substrate; soaking the printing substrate with solutionof a treating agent to remove a picture and text part; and coating hydrophillic dispersion on the prior hydrophillic layer to form a new hydrophillic layer. The composite hydrophillic printing substrate has simple process and low cost.
Owner:GUANGZHOU HUMAN CHEM

Equipment for testing vibration performance of air spring and method of using the same for testing

The invention relates to a vibration performance testing instrument and a testing method thereof, in particular to an equipment for testing vibration performance of an air spring and a method of using the same for testing. The invention resolves the technical problem by providing the equipment for testing vibration performance of the air spring, which has broad operating frequency and exciting force range and convenient and flexible selection of testing places and can prelabel parameters prior to an experiment and the testing method thereof. The technical scheme of the invention is as follows: the equipment for testing the vibration performance of the air spring comprises an electric vibration generator, a laser displacement sensor, an acceleration sensor and a force sensor. A signal generator and a power amplifier are connected with the electric vibration generator successively by an electric signal; the laser displacement sensor, the acceleration sensor and the force sensor transmitsignals thereof to an electric charge amplifier for signal amplification, and then such signals are stored in a computer; the electric vibration generator is arranged in a suspending way; and the signal of the electric charge amplifier firstly enters a data collection system and then enters the computer through the data collection system.
Owner:NAVAL UNIV OF ENG PLA

Shoe last two-section development method

InactiveCN106666930AFlexible and convenient to matchFlexible and convenient combinationLastingAnkle strapComputer engineering
The invention discloses a shoe last two-section development method. The method comprises the steps that a shoe last is divided into the rear section and the head type which are connected to the left widest part and the right widest part of the base plate of the shoe last, the rear section comprises seven rear section big series of high sandals, low sandals, frye boots with zippers, frye boots without zippers, pump shoes with ankle straps, normal pump shoes and high instep close shoes according to the shoe types, the head type comprises three head type big series of a square head, a round head and a pointed head, the seven rear section big series and three head type big series are mutually matched in a one-to-one mode, and a complete shoe last is formed. The seven rear section big series comprise one or more rear section small series according to heel heights, the three head type big series comprise three head type medium series according to big, medium and small, the rear section small series and the head type medium series are mutually matched in a one-to-one mode, and the complete shoe last is formed. According to the shoe last two-section development method, the cost is better reduced, new shoe lasts are combined through convenient and flexible selection and matching, overall design and development of the shoe last are more convenient to achieve, and the development efficiency is higher.
Owner:广东易秀科技有限公司

Circular ring type contact parallel plate three dimensional pressure transducer

The invention discloses a circular ring type contact parallel plate three dimensional pressure sensor, wherein the sensor comprises a control unit, a circular ring capacitance unit group a stripped capacitance unit group connected with the control unit respectively; the circular ring capacitance unit group is used for measuring the tangential force and the normal force; the stripped capacitance unit group is used for measuring the direction of the tangential force; and the stripped capacitance unit group is set at the four corners outside the substrate circular ring capacitance unit group. The circular ring capacitance unit group comprises more than two groups of circular ring capacitance unit pairs; the circular ring capacitance unit pairs comprise two mutual circular ring capacitance units; the stripped capacitance unit group comprises a differential capacitance unit group in X direction and a differential capacitance unit group in Y direction; the differential capacitance unit group in X direction and the differential capacitance unit group in Y direction comprise more than two mutually differential stripped capacitance units .
Owner:ANHUI KECHUANG PRODUCTIVITY PROMOTION CENT CO LTD

Araneose hollow optical fiber

The optical fiber is composed of fiber core area, coating layer and external coating layer. Characters are that the fiber core area is air; coating layer is in araneose structure including alternant layers between single material and air in concentric circles as well as support bars distributed on section symmetrically. The invention uses araneose coating structure of single material to replace hollow core fiber of all directional medium reflectors composed of two media. Transmission characteristics between the fiber produced from single material and fiber prepared from two media. Advantages are: increasing realizability, extending varieties available to be produced, and spectral range possible to be transmitted.
Owner:YANSHAN UNIV

Electronic book reading machine and its electronic-text compressing and decompressing method

The electronic book reading machine consists of casing, liquid crystal display screen, key array, computer interface, battery compartment and circuit board connected together. Its compression method supports blocked compression and partial decompression. The reading machine decompresses the compressed text to the present reading position and displays text in its display screen; and the partial decompression is direct decompression after equal-width cutting. The "blocked compression" of the present invention can utilize the memory space fully and increase the length and the number of the stored text greatly. The "partial decompression" makes it possible to decompress the required content randomly and this raises the responding speed greatly. The electronic reading machine can be operated easily and flexibly.
Owner:SOUTH CHINA UNIV OF TECH

Mechanical shock absorption device for height limiting location

The invention relates to a mechanical shock absorption device for height limiting location. The mechanical shock absorption device is formed by a rotary pressing plate assembling and welding device (3), a base hole plate, a pin shaft (2), a circular nylon plate (4) and a nylon limiting ring (5), wherein the main structure, namely the rotary pressing plate assembling and welding device (3), is formed by a circular plate (10), an upper hole plate (11), a lower hole plate (12), a rib plate I (13), a pressing plate (14) and a rib plate II (15). The circular plate (10), the upper hole plate (11), the lower hole plate (12), the rib plate I (13), the pressing plate (14) and the rib plate II (15) are all in a welding connection mode. According to the mechanical shock absorption device for the height limiting location, disclosed by the invention, whether a height limiting location shock absorption function needs to be started or not can be selected by assembling and disassembling a locating pin (7), the relation between a middle vehicle frame (9) and a rear vehicle frame (8) is not affected when the height limiting location shock absorption function is not started, a height limiting location function is achieved when the function is started through rotation, and the vibration on a vehicle frame due to emergency brake during a driving process can be reduced.
Owner:JIANGSU HAIPENG SPECIAL VEHICLES +1

Method for realizing on-line card-selling through handlink

The method includes steps: (1) after a call enters into platform of intelligent network, service terminal sends message for requesting card to be sold to service control point; (2) the service control point sends the requesting message to card management center; (3) the card management center generates corresponding card, and transfers information of card back to the service control point; (4) the service control point transfers information of card back to service terminal, and the service terminal prints information of card. The invention increases benefit of operation manager and work efficiency, and reduces consumption of resources so as to reach purpose of protecting environment also.
Owner:ZTE CORP

Coating tooling and installation method for elongated reflectors

The invention relates to a film coating tool for a rectangular reflecting mirror and a mounting method. The film coating tool for the rectangular reflecting mirror comprises movable supporting plates,fixed supporting plates and positioning rods for mounting, wherein the movable supporting plates are provided with mounting positioning holes and are in direct contact with an optical surface of therectangular mirror; the rectangular mirror is fixed into clamping grooves of the movable supporting plates; the fixed supporting plates are fixed to an umbrella frame of a film coating machine; the movable supporting plates are fixed into clamping grooves of the fixed supporting plates; four positioning rods are used for accurately aligning the upper and lower movable supporting plates during mounting through the rectangular reflecting mirror tool, and thus the movable supporting plates are clung to the optical surface of the rectangular reflecting mirror. The film coating tool for the rectangular reflecting mirror has the beneficial effects that the positioning rods are similarly used for mounting guide rails, so that the risk of collision to side corners of the optical surface of the rectangular mirror in tool mounting process is basically removed; and meanwhile, preset tolerance size for tool design is extremely reduced, so that the control accuracy of clear aperature.
Owner:SHANGHAI MODERN ADVANCED ULTRA PRECISION MFG CENT

Device and method for enhancing multi-channel transmitter covering

The invention discloses a device and a method for enhancing multi-channel transmitter covering. The device comprises a baseband control module, a digital-analog conversion module, an up frequency conversion module, a combiner module and a power detection module. The method comprises the following steps: utilizing each channel opened by a combiner switch to receive inputted digital signals and respectively carry out modulation and phase modulation processing to send, wherein the received digital signals of each channel opened by the combiner switch are same; receiving the processed digital signals sent by each channel and respectively converting the digital signals into analog signals to be sent; receiving the analog signals sent by each channel, and respectively carrying out up conversionprocessing for the analog signals to obtain radio-frequency signals to be sent; receiving the radio-frequency signals sent by each channel, and stacking the radio-frequency signals of each channel opened by the combiner switch to be outputted; and real-time detecting the power value of the outputted signals to report the detecting results. The method combines the multi-channel signals of the multi-channel transmitter into a carrier wave to obtain different-level transmission gain.
Owner:温雅静

A coaxial marx generator

The invention relates to a coaxial Marx generator. The generator is not only flexible and convenient to select a capacitance value, but also can fix the relative positions between parts in a movement,and can also achieve insulation. The structure mainly comprises a movement and a housing, wherein the coaxial Marx generator further comprises M first supporting cross beams; the movement comprises Nstages of capacitor groups and N / 2 gas switches; the N stages of capacitor groups are arranged in the housing along the axial direction of the housing in sequence, and each stage of capacitor groupscomprises a supporting ring and S capacitors, and the S capacitors are uniformly embedded in the inner ring edge of the supporting ring along the circumferential direction; the M first supporting cross beams sequentially pass through the support ringing in each stage of capacitor groups, both ends of the M first supporting cross beams are fixedly installed on both ends of the housing, and the M first supporting cross beams are uniformly distributed along the circumferential direction; charging resistors and switch trigger resistors are respectively installed on the M first supporting cross beams; and each gas switch is installed between each two stages of capacitor groups to form a group of breakdown units, and each group of breakdown units is connected in series.
Owner:NORTHWEST INST OF NUCLEAR TECH

Multifunctional modular kayak

The invention relates to a multifunctional modular kayak and belongs to the technical field of kayaks. The multifunctional modular kayak comprises a kayak body, a driving device detachably connected with the kayak body, an outdoor device capable of being arranged on the kayak body, a fishing device, a steering device and a balancing device, a plurality of strip-shaped mounting rails are arranged on the kayak body, and mounting sliding blocks are arranged in the strip-shaped mounting rails; the outdoor device, the fishing device, the steering device and the balancing device can be adjustably connected with the strip-shaped mounting rail through the mounting sliding blocks. According to the multifunctional modular kayak, the universal loading platform is arranged, different use requirements and use scenes can be met, and the utilization efficiency is high.
Owner:7112751加拿大公司

Quick forming screw extruding jet device for thermoplastic particle material

The quick forming and screw extruding jet device for thermoplastic particle material belongs to the field of fast forming and smelting extrusion stacking technology in mechanical processing. The device includes push rod feeding mechanism, reducing worm gear transmission mechanism, micro extruding screw jet mechanism and temperature controlling heating mechanism. The push rod feeding mechanism consists of electromagnet, push rod and switching joint, and realizes the intermittent feeding of particle material via the reciprocation of the push rod notch between the material bin and material barrel. The present invention is a ideal smelting, extruding, stacking and forming jet device with effectively lowered cost, raised processing speed and less flow casting.
Owner:SHANGHAI JIAOTONG UNIV

Mechanical vibration damping device for height-limited positioning

ActiveCN104401399BPrevent noddingReduce vibrationUnderstructuresVehicle frame
The invention relates to a mechanical shock absorption device for height limiting location. The mechanical shock absorption device is formed by a rotary pressing plate assembling and welding device (3), a base hole plate, a pin shaft (2), a circular nylon plate (4) and a nylon limiting ring (5), wherein the main structure, namely the rotary pressing plate assembling and welding device (3), is formed by a circular plate (10), an upper hole plate (11), a lower hole plate (12), a rib plate I (13), a pressing plate (14) and a rib plate II (15). The circular plate (10), the upper hole plate (11), the lower hole plate (12), the rib plate I (13), the pressing plate (14) and the rib plate II (15) are all in a welding connection mode. According to the mechanical shock absorption device for the height limiting location, disclosed by the invention, whether a height limiting location shock absorption function needs to be started or not can be selected by assembling and disassembling a locating pin (7), the relation between a middle vehicle frame (9) and a rear vehicle frame (8) is not affected when the height limiting location shock absorption function is not started, a height limiting location function is achieved when the function is started through rotation, and the vibration on a vehicle frame due to emergency brake during a driving process can be reduced.
Owner:JIANGSU HAIPENG SPECIAL VEHICLES +1

A method and device for realizing time synchronization

The invention discloses a method for realizing time synchronization and a base station system. The base station system comprises a main unit, at least one remote radio unit, an optical fiber and a clock synchronization server, wherein the optical fiber is used for transmitting information between the main unit and the at least one remote radio unit; the clock synchronization server is allocated at a position close to one end of the at least one remote radio unit or is integrated with the at least one remote radio unit together; the clock synchronization server is used for transmitting synchronous data between the clock synchronization server and the main unit through the optical fiber so as to enable the main unit to carry out configuration processing according to the synchronous data and realize the time synchronization between the main unit and the clock synchronization server. Through the scheme provided by the invention, the time synchronization between the main unit and the clock synchronization server is realized, so that the selection of a station point of the main unit of the system can be more flexible and convenient, equipment is simple, and the cost is low.
Owner:HUAWEI TECH CO LTD
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