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221results about How to "Guaranteed normal use" patented technology

Bridge health detection system and bridge health detection method based on unmanned aerial vehicle

The invention discloses a bridge health detection system based on an unmanned aerial vehicle, and relates to the field of bridge detection. The bridge health detection system at least comprises: a data acquisition subsystem, wherein the data acquisition subsystem comprises an unmanned aerial vehicle, the unmanned aerial vehicle is provided with an imaging device, and the imaging device is used forcarrying out image collection on a bridge to be detected so as to obtain detection fracture data; a database for pre-storing multiple sets of historical fracture data; and a data analysis unit, wherein the data analysis unit comprises a hazard simulation module, and the hazard simulation module predicts the future development trend of the fracture by carrying out statistical analysis on the historical fracture data and the detection fracture data, and obtains the fracture prediction data. According to the present invention, the detection fracture data collected by the unmanned aerial vehicleis compared y using the historical fracture data in the database as the reference to obtain the fracture change trend, such that the worker can conveniently predict the future development condition ofthe fracture and timely perform the maintenance work so as to improve the maintenance work efficiency and ensure the normal use of the bridge to be detected.
Owner:CHINA RAILWAY BRIDGE SCI RES INST LTD +1

Wireless headset role switching method, wireless headset and TWS headset

The invention discloses a wireless headset role switching method, and relates to the technical field of portable listening equipment. A main wireless headset is the headset establishing connection with a terminal at present, and a slave wireless headset is the headset not establishing connection with the terminal at present. The method comprises the steps that when the main wireless headset receives an in-place instruction, the main wireless headset sends connection information of the main wireless headset and the terminal to the slave wireless headset to enable the slave wireless headset to initiate a connection request to the terminal according to the connection information and establish connection with the terminal, and then wireless headset role switching is achieved. According to themethod, the slave wireless headset can achieve data interaction with the terminal by means of the connection information of the main wireless headset and the terminal to continue working; and the condition that in the prior art, after the main wireless headset stops working, the slave wireless headset cannot work is avoided, and therefore the user experience is improved. The invention further discloses the wireless headset, a wireless connection equipment role switching method, a TWS headset and a computer readable storage medium which have the above-mentioned advantages.
Owner:GEER TECH CO LTD

Cleaning device for universal parts

The invention discloses a cleaning device for universal parts. The cleaning device comprises a case body and a cover, the two sides of the bottom of the cover are each provided with a clamping rod, the two sides of the case body are each provided with a buckle matched with the corresponding clamping rod, a controller is arranged on the right side of the case body, the controller is located below the buckle, the top of the cover is provided with a feed hopper, the bottom of the cover is provided with a connecting pipe, one end of the connecting pipe penetrates through the cover and extends out of the cover to be communicated with the feed hopper, the end, far away from the cover, of the connecting pipe is fixedly connected with the top of an installation block, the connecting pipe is communicated with the interior of the installation block, the installation block is provided with vent holes, and the right side of the inner wall of the case body is provided with an electric telescopic rod matched with the installation block for use. According to the cleaning device for the universal parts, the cleaning efficiency is improved, normal use of the universal parts is guaranteed, the machining cost of the universal parts is reduced, and the cleaning device is simple in structure, convenient to operate and suitable for application and popularization.
Owner:XUZHOU DONGHONG MACHINERY MFG

Method for protecting underground structure of single round shield side face construction in close distance

The invention relates to a method for protecting an underground structure of single round shield side face construction in close distance, belonging to the technical field of constructional engineering. The method comprises the following steps: using a Robertson method; determining the parameters of a shield traversing underground structure through the design drawings of the underground structure and tunnels; using three-dimensional finite element model to perform numerical simulation; establishing monitoring programs, carrying out measuring points layout and monitoring in site before traversing construction; detecting the work efficiency of trial push and selecting construction parameters; carrying out construction through monitoring feedback analysis in real time; and tracking and monitoring the set monitoring points until all monitoring data are stabilized within the range of the optimized safety construction parameters of step (6). The invention ensures the normal use and the smooth tunneling of the underground structure, the adopted technical measures is applicable to the requirements of single round shield side face in close distance on passing through various underground structures, thus an important technical assurance is provided.
Owner:SHANGHAI JIAO TONG UNIV

Automatic ventilating window for noise prevention of high-rise building

The invention discloses an automatic ventilating window for noise prevention of a high-rise building. The automatic ventilating window comprises a sill and a window body. The sill comprises an upper sill body and a lower sill body. The window body is rotationally connected with the upper sill body through a pin shaft. The window body is fixedly connected with a pushing handle, and a groove block is arranged on the portion, close to the window body, of the sill. The groove block and the window body are matched with each other and clamped, an electric box is fixed to the inner wall of the lowersill body, and a conductive device is arranged in the electric box. The window body is composed of interlayer glass and a cavity. Two transparent conducive films are glued on the two symmetric bottomfaces of the cavity correspondingly, and a parallel plate capacitor is formed with air in the cavity as a medium. The automatic ventilating window has the advantages that before noise enters the window, the parallel plate capacitor formed by the two conductive films is charged under the action of piezoelectric ceramics, a magnetic field is generated in the cavity under the action of a guide wire of a spiral structure, and therefore oxygen moves; and in the state of breaking down the cavity, the oxygen is released through expansion, and the oxygen ingredient in indoor air is supplemented.
Owner:深圳建昌工程设计有限公司

Electric cloth airing machine

The invention provides an electric cloth airing machine. The electric cloth airing machine comprises a main engine fixed on a ceiling and a frame body connected with the main engine. The main engine comprises a shell and a power assembly. The power assembly comprises a fixed plate, a driving component and a controller. The driving component is arranged on the fixed plate and connected with the frame body. The controller is used for receiving and processing external control signals and outputting corresponding control commands to the driving component so as to control lifting of the frame body. The driving component comprises a motor, winding reels, hauling ropes and rope pressers. The winding reels are driven by the motor. Two ends of each hauling rope are respectively connected with the corresponding winding reel and the frame body. The rope pressers wrap the winding reels in a half-encircling manner. Winding grooves are formed in the winding reels. One ends of the hauling ropes are embedded in the winding grooves. A yielding gap allowing the corresponding hauling rope to penetrate through is formed in each rope presser, and a rope pressing shaft rotatably pressing the corresponding winding grooves is arranged on the side, of the yielding gap, of the sidewall of each rope presser. The electric cloth airing machine has the advantages that friction damage of the hauling ropes (like steel ropes) during use can be avoided, and a twisting prevention function is realized.
Owner:广东顶固集创家居股份有限公司

Anti-collision charging equipment for new energy automobile

The invention discloses anti-collision charging equipment for a new energy automobile. The anti-collision charging equipment includes a foundation and a pre-buried groove arranged in the foundation. Acharging pile is fixedly connected to the pre-buried groove through an expandable rod, a pin hole is formed in the charging pile, the inner wall, at the position of a groove opening, of the pre-buried groove is rotatably connected with a protection plate through a fixing shaft, the fixing shaft is fixedly connected with a first gear in the same axis, a spring groove is formed in the foundation, and a fixing mechanism used for fixing the charging pile is installed in the spring groove. According to the anti-collision charging equipment for the new energy automobile, by arranging the protectionplate, the charging pile which can be collected into the pre-buried groove, a pushing mechanism, and a safety mechanism, the function that when the automobile is about to hit the charging pile, the charging pile can be indented into the pre-buried groove, and the charging pile can automatically return to the original position after the automobile is removed is realized, the collision of the automobile to the charging pile is avoided fundamentally, and the safety mechanism can protect the automobile caught in an unstable state and the people inside the automobile from being injured.
Owner:丁杨

Air conditioner purification module cleaning reminding method, air conditioner, and readable storage medium

The invention discloses an air conditioner purification module cleaning reminding method, an air conditioner, and a readable storage medium. The air conditioner purification module cleaning remindingmethod comprises the following steps of acquiring current meteorological data of an environment of a district on which the air conditioner is located, wherein the meteorological data comprises pollutant concentration; acquiring set parameters during the operating of the air conditioner, calculating a pollutant adhesion rate of a purification module according to the meteorological data and the operating parameters, and combining the duration within an operating time quantum to obtain a pollutant adhesion amount of the purification module operated by the air conditioner within the operating timequantum; and updating a stored total pollutant adhesion amount according to the pollutant adhesion amount, and outputting a reminding message for reminding cleaning or replacing the purification module to a user according to a relation between the total pollutant adhesion amount and a preset prewarning value. According to the air conditioner purification module cleaning reminding method providedby the invention, through combining the set parameters during the operating of the air conditioner and the meteorological data of the district on which the air conditioner is located, a service cycleof the purification module is calculated, and the user is timely reminded of cleaning and replacing the purification module, so that the air conditioner is ensured to be normally used.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

Automobile part spot-welding robot with welding head convenient to replace

The invention relates to the technical field of automobile part spot-welding robots, in particular to an automobile part spot-welding robot with a welding head convenient to replace. The automobile part spot-welding robot comprises a base, a protective device, a cleaning device and a replacing device; the protective device is arranged at the left side of the top end of the base; the spot-welding robot is fixedly connected to the center of the top end of the base; a controller is fixedly connected to the left end of the outer side of the spot-welding robot; a supporting base is fixedly connected to the right end of the outer side of the spot-welding robot; and a spot-welding connector of the spot-welding robot penetrates through the supporting base. In the automobile part spot-welding robotprovided by the invention, a third gear and a fifth gear are arranged; the arrangement cooperates with meshing connection of a fourth gear and the fifth gear, meshing connection of the third gear, afirst gear and a second gear and rotary connection of a rotating column and the base, when the welding head of the spot-welding robot is aged and damaged, rapid and automatic replacement of the welding head can be achieved, and therefore the machining efficiency of automobile parts is guaranteed.
Owner:安徽双骏智能科技有限公司

Recovery method of esters in wastewater

Disclosed is a recovery method of esters in wastewater. The method includes the following steps: separating most of water in the wastewater, and controlling the content of esters ad alcohols in the separated water less than 0.1 wt%; separating esters in a remaining ester/alcohol/water solution, and controlling the content of the esters in the remaining ester/water mixed solution after the esters are separated less than 0.1 wt%; separating water in the ester/alcohol/water solution separated in the second step by pervaporation treatment to obtain a mixture of esters and alcohol having s water content of less than 1 wt%; separating the high-purity target product esters from the mixture by distillation; and separating unreacted acids from esterification products and recycling the rest back tothe first step of wastewater treatment process. The recovery method of the esters in the wastewater can solve the problem of difficult separation of corresponding alcohols generated by decomposition of ester solvents, has the characteristics of high recovery efficiency, low energy consumption and low raw material consumption, and is especially suitable for use in wastewater solutions containing iso butyl acetate to recover the iso butyl acetate in the wastewater solutions.
Owner:NANTONG CELLULOSE FIBERS CO LTD +2

Pre-stressing device for rectangular pipe jacking pipe joints and construction method thereof

The invention discloses a pre-stressing device for rectangular pipe jacking pipe joints and a construction method thereof, which relate to the technical field of underground tunnel construction and aim to solve the technical problem that joint parts can become loosened after the jacking forces of the pipe joints are removed. The device comprises a plurality of pre-stressing assemblies which correspond to all the rectangular pipe joints one to one; each pre-stressing assembly comprises an embedded part, a pre-stressing rod, a connector and a pre-stressing nut; the embedded part is fixed onto the corresponding rectangular pipe joint; the front end and the rear end of the embedded part are respectively and fixedly provided with a detachable fixed block; each fixed block is provided with a through hole for the pre-stressing rod to pass through; the front end and the rear end of the connector are respectively provided with a connecting hole with an internal thread; the face of the pre-stressing rod is provided with an external thread; the body of the pre-stressing rod passes through the through hole of the fixed block in the group; the front end of the pre-stressing rod is in threaded connection with the connecting hole at the rear end of the connector in the group; and the pre-stressing nut is arranged on the pre-stressing rod in the group in the manner of threaded connection, and is abutted with the fixed block at the rear end of the embedded part in the group. The device and the method provided by the invention are suitable for underground pipe jacking construction.
Owner:SHANGHAI GUANGLIAN ENVIRONMENTAL & GEOTECHNICAL ENG CO LTD

Dust removal device for carrying out wind and water combined washing on cameras under mine

The invention discloses a dust removal device for carrying out wind and water combined washing on cameras under a mine, and belongs to the technical field of heading machine camera cleaning. A cameraprotection cover is mounted on the outer portions of the cameras. A fixed frame is mounted on the front portion of the camera protection cover. U-shaped holes are formed in the two sides of the cameraprotection cover. The two ends of the fixed frame and the U-shaped holes are fixed through bolts. A mist spraying block is mounted on the fixed frame, a nozzle is mounted on the mist spraying block,and the mist spraying block is connected with a connector of a three-way joint. According to the dust removal device for carrying out wind and water combined washing on the cameras under the mine, thewind and water combined washing manner is adopted for breaking through the traditional contact type dust removal manner, the wind or water dust removal manner can be independently utilized, the mirror planes of the cameras of a heading machine re effectively cleaned, and normal use of a remote monitor of the heading machine can be ensured; the mirror planes of the cameras can be cleaned while equipment works, imaging clearness is guaranteed; and the structure is simple, mounting is convenient, and the maintenance cost is low.
Owner:无锡华瀚能源装备科技有限公司
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