69results about How to "Waiver of fees" patented technology

This invention discloses one forest measurement method without human aviation cameral remote sensor, which adopts aviation device as remote platform without human and integrated digital codes camera, difference GPS and top platform, wherein, it uses digital camera technique to get high earth resolution rate without human remove image with large proportion rules fully in use of high flexible machine without special plane spot and capable of flying under clouds.

The invention relates to a backwash filter, which comprises a case with medium inlet, outlet and a dirt outlet; an upper cover; a ball valve connected with the dirt outlet; a filter screen with filter hole inside the case; and a baffle ring at the upper part of case which is the improvement of said invention. Wherein, the upper cover has a lower end inserted into the inner chamber of case; the filter screen is radially mounted inside the case and moves upwards and downwards along the case; a spring is mounted between the filter screen and the inner bottom of case; the blade wheel via medium can transfer the hydraulic energy into the flowing energy to drive the rotation movement; a shoulder part is arranged on the filter screen to adjust the medium flow and via switching the contact between it and the lower end or the baffle ring, it can realize the switch between the filtration and the washing. The invention has simple structure which can effectively washing out the foreign material embedded in the filter hole, without power supply, and more filter screens can be used to improve the purity of filter medium.

The invention discloses a mobile phone two-dimensional code electronic receipt method based on a C / S framework, which is characterized by comprising the following steps: 1) users finish a transaction with a mobile commerce system through a mobile phone; 2) a user mobile phone receives the receipt information, registers authentication information to an authentication center through an authentication registration module; 3) a two-dimensional code generation module can utilize the receipt information and the authentication information to generate a two-dimensional code image which is displayed on a mobile phone screen; and 4) a two-dimensional code identification system reads the receipt information and submits the authentication information to the authentication center for authentication when in authentication. The method of the invention has the advantages of adding authentication requirement of the authentication center, and further strengthening safety; as two-dimensional code generating function on a server is cancelled, the method of the invention lightens the burden of the mobile commerce server, simultaneously leaves out multimedia message sending cost, and lowers communication cost.

The invention relates to a rubbish leachate biological nitrogen removal process and a rubbish leachate biological nitrogen removal device. The process comprises the steps of water feeding, anaerobic biochemical treatment, primary anoxic denitrification, primary aerobic nitrification, secondary anoxic denitrification, secondary aerobic nitrification, MBR treatment and subsequent treatment. The device comprises an anaerobic tank, a primary anoxic denitrification tank, a primary aerobic nitrification tank, a secondary anoxic denitrification tank, a secondary aerobic nitrification tank and an MBR treatment device which are connected in turn through a water through pipeline, wherein a reflux pipe is led out from the primary aerobic nitrification tank to the primary anoxic denitrification tank; two reflux pipes led out from the MBR treatment device are connected to the primary and secondary anoxic denitrification tanks respectively; the anaerobic tank, the primary and secondary aerobic nitrification tanks and the MBR treatment device are connected with a sludge pipe respectively; the anaerobic tank is connected with a waste gas treatment device; the secondary anoxic denitrification tank is connected with a carbon supply device; and an aerating device is arranged in the primary and secondary aerobic nitrification tanks and the MBR treatment device respectively. The process can meet the requirement of GB16889-2008 'Domestic Rubbish Percolate (Leachate) Emission Limit' on nitrogen.

The invention discloses a lifting rotary supporting bracket for a displayer. The supporting bracket comprises a base, and also comprises a nut piece, a screw piece, a bracket piece, a lifting piece and a rotation stopping unit, wherein the nut piece and the screw piece are mutually screwed; the both ends of the screw piece are respectively supported at the upper part and the lower part of the bracket piece in a pivot manner; the lifting piece slides up and down in the bracket piece, and is fixedly connected with the nut piece, and the lifting piece lifts relative to the bracket piece when the screw piece rotates; the rotation stopping unit comprises a blocking finger which is pivoted on the bracket piece, a positioning rod is fixed at the lower side of the blocking finger, the base adopts the structure that the upper layer and the lower layer are connected in a pivot manner, the blocking finger is fixed on the upper layer along with the bracket piece and can rotate along with the upper layer, a plurality of positioning holes are formed in the lower layer of the base, the positioning holes are uniformly distributed along the periphery, a through hole is formed in the upper layer of the base, and the positioning rod penetrates through the through hole of the upper layer of the base to be inserted into the positioning hole to fix the rotation stopping unit when the screw piece is in contact or clamped by the blocking finger. The supporting bracket can be used for conveniently adjusting the height of the displayer and synchronously adjusting the left and right viewing angles, the structure is steady after being adjusted, the supporting bracket is especially suitable for hanging overweight screens and various displayers with different weights, and the universality is higher.

The production process of plane sheet offset rolled colour-printed pressure-sensitive adhesive label includes the following steps: 1. face paper plane sheet PS plate printing; 2. edging; 3. automatically-adhering single-sheet printed face paper and coiling; 4. finely-coating pressure-sensitive adhesive and lamination; 5. cutting roll and die-cutting. The single-sheet printed face paper automatically adhering and coiling process includes the following steps: positioning face paper to the glue-applying place, at the same time transferring and pressing pressure-sensitive adhesive onto the face paper form parting paper; adhering head and tail of face paper, digital-control taking up by servo-motor, rectifying deviation, using position sensor and tension control system to regulate and control brake and constant tension rolling up.

The invention discloses a method for performing coal mining and gangue cementation stripe filling simultaneously. When a working surface advances to a certain distance, an excavator and filling equipment are delivered under a filling support for assembly and adjustment; a bottom excavator excavates a bottom while coal mining machine mines coal, underlying strata excavated by the excavator are delivered to a filling bag through a filling system; the underlying strata form a first filling strip of a support goaf top plate after solidifying and sizing; and after filling of the first filling strip, the filling operation of a second filling strip is performed; and the steps are repeated accordingly, and coal mining and filling are performed simultaneously until a coal face is mined. According to the method, the filling mechanical equipment is transferred under a well, so that the ground site arrangement is reduced, gangue of down hole bottom excavating board is fully used, the problem of the filling material source is solved, transport links of filling materials are reduced, the filling system moving with the working surface simultaneously is formed, down hole filling is rapid and effective, and simultaneously, an efficient work flow of coal mining and filling simultaneously can be achieved.

The invention relates to a zero draining and recycling process of aluminum and aluminum alloy chemical polishing waste liquid. The process is characterized by comprising the following steps of firstly, chemical polishing, wherein a polishing workpiece is soaked into chemical polishing solutions in a chemical polishing groove to be polished; secondly, cooling buffering, wherein the polishing workpiece obtained after chemical polishing treatment is transferred to solutions in the cooling buffer groove to be cooled and buffered; thirdly, drip recycling, wherein the polishing workpiece obtained after cooling and buffering is transferred to a drip recycling groove to have drip treatment, and a recycling outlet in the bottom of the drip flow recycling groove recycles waste liquid on the surface of the polishing workpiece; fourthly, washing, wherein the polishing workpiece obtained after drip flow treatment enters a washing groove to have washing treatment. In a word, the process has the advantages of being recyclable, high in recycling rate, safe, and environmentally friendly, and reducing pollutions.

The invention relates to a lifting support bracket for a display screen and belongs to the design field of support brackets for display screens. The lifting support bracket is used for supporting the display screen and is characterized by comprising at least one pair of nut component and screw component which are in thread connection with each other and further comprising a bracket component, a lifting component and a rotating stop unit, wherein the two ends of the screw component are respectively mounted on the bracket component in a pivoting manner; the lifting component slides up and down in the bracket component and is fixedly connected with the nut, and the lifting component is lifted and lowered relative to the bracket component when the screw component rotates; and the rotating stop unit is mounted on the bracket and can be manually shifted to press or clamp the screw component so as to stop the rotation of the screw component. The lifting support bracket overcomes the defect that the traditional support bracket is not suitable for supporting special screens, is particularly suitable for the lifting support of overweight screens or various different-weight display screens needing to be suspended, and is simple in structure. Besides, as one support bracket can be used for suspending different-weight screens, expenses on developing different support brackets for screens various in weight dimensions are saved.

The invention relates to an academic paper information detection method based on free internet information. The academic paper information detection method based on the free internet information comprises the following steps that whether network linking is normal or not is detected, if the network linking is normal, a paper to be detected is acquired and saved, and if the network linking is abnormal, network linking is conducted; a baidu interface is called, the paper is searched on a network in sentences, whether the paper is copied or not is judged according to a threshold value, if the paper is copied, a copying source and original text sentences are recorded, and if the paper is not copied, a google interface is called, the paper is searched on the network in sentences; whether the paper is copied or not is judged according to the threshold value, if the paper is copied, a copying source and original text sentences are recorded, and if the paper is not copied, a single paper inspection and confiscation report is generated and output according to a detection result; detection of a plurality of papers is finished and an inspection and confiscation summary sheet is generated and output. Compared with the prior art, the method has the advantages of being simple in algorithm, low in cost, capable of being independent of a detection platform, free of building a huge paper data base, and capable of ensuring that the papers can be detected through a single machine and capable of being detected in batch.

The invention discloses a machining process of a hollow stepped shaft. The machining process comprises the steps of blank shearing by a cold heading machine, end face shaping and blank pre-positioninghole forming, tail small rod strong bundling, bundling of a small rod at the other end in a reducing mode and pre-positioning hole forming, large middle step heading, middle thin step forming / tail positioning hole and head chamfering and center hole drilling. According to the machining process of the hollow stepped shaft, the process of main cold heading and auxiliary drilling is adopted to machine molding parts, and the material utilization rate is significantly improved compared with a traditional full machining method; continuous cold heading machining is adopted to improve the productionefficiency; in the molding process, metal fibers of a blank are not cut off, and relatively strong mechanical properties can be ensured without heat treatment; and after cold heading molding, machining can be completed only with simple drilling equipment, and a lot of machining time and machining equipment costs are eliminated.

The invention discloses a weighing device for goods on freight cars, comprising at least one weighing component and a processor. The weighing component comprises a weighing sensor (2), an elastic element (3), a bearing board (4) and a bearing frame (7). The elastic element (3) is loaded between the bearing board (4) and the bearing frame (7). The weighing sensor (2) comprises a sensing part (2.1),a measuring part (2.2) and a measuring circuit. The sensing part (2.1) is relatively fixed on the bearing board (4). The measuring part (2.2) is relatively fixed on the bearing frame (7). The longitudinal displacement of the bearing plate (4) drives the sensing part (2.1) to produce relative displacement relative to the measuring part (2.2). The signal output end of the measuring circuit is connected with the sampling signal input end of the processor. The weighing sensor is directly installed on a movable base. The weighing sensor can be directly placed under the goods in a car when needed,and can be directly taken away after use. The assembly and disassembly work and the cost for assembly and disassembly are avoided. The weighing device has a simple structure, and can realize remote monitoring.

The invention discloses a rapid nosema pernyi template DNA extraction method and application thereof. The rapid nosema pernyi template DNA extraction method specifically comprises the step of releasing, enrichment, separation and purification of DNA through alkaline lysis and magnetic beads. According to the method, operation is simple and rapid, the cost is low, the flux is high, living pupa sampling can be achieved, the antijamming capability is high, the contamination risk is low, the quality of extracted DNA is high, automatic extraction can be achieved, and the method can be widely applied to molecular diagnosis; the detection flux and the operation convenience can be remarkably improved, the false positive rate of detection can be obviously decreased, and the detection sensitivity and accuracy and the detection efficiency are improved; and through an automatic series nucleic acid extraction instrument, a PCR and a preferred result-viewable PCR technique, a visual and automatic nosema pernyi analysis technique which can integrate batched DNA extraction on a porous plate and molecular diagnosis can be achieved. The rapid nosema pernyi template DNA extraction method and the application thereof have important significance for centralized quarantine of antheraea pernyi granulosis and conservation of genetic resources in the antheraea pernyi industry.

The invention discloses a method for quickly extracting plasmodium DNA in a high through-put mode and application of the method. Particularly, the template extracting method comprises the steps that release, enrichment, separation and purification of DNA are conducted through alkaline lysis and magnetic beads. The method is simple and fast in operation, low in cost, high in through-put, low in contamination risk, high in quality of the extracted DNA, and capable of achieving automation and being widely used in molecular detection, the detection through-put and the operation convenience can be remarkably improved, the false positive rate of detection is obviously reduced, and the detection sensitivity and accuracy and the detection efficiency are improved. The visible and automatic sample diagnosis technology that extraction and detection of a mass of DNA on a perforated plate are integrated can be achieved through series connection of an automatic nucleic acid extractor and a PCR instrument and the PCR technology which is visible in optimizing result. The problems that in an existing plasmodium detection technology, the preparation of the target DNA is complex, wastes time, is low in through-put and the like are solved, and the method has a wide application prospect.

The invention provides a radar mounting structure and a vehicle with same. The radar mounting structure is used for fixedly configuring a vehicle radar; the radar mounting structure comprises a wave absorbing sheet, a radar fixing bracket and a vehicle body fixing bracket; the vehicle radar is arranged in the radar fixing bracket; the wave absorbing sheet is made of a wave absorbing material, arranged around the vehicle radar and fixedly clamped to the radar fixing bracket so as to reduce the interference of electromagnetic waves on the vehicle radar; the vehicle body fixing bracket is fixed on the other side, opposite to the vehicle radar, of the radar fixing bracket; and the vehicle body fixing bracket is used for fixedly assembling the radar mounting bracket on a vehicle body. Through adoption of the radar mounting structure, the production cost can be reduced while the vehicle radar is prevented from being interfered by surrounding electromagnetic waves; and platform sharing of different vehicle body environments is realized.

The invention discloses a questionnaire inputting and plotting system based on VB (Visual Basic) and PYTHON. The system uses a VB6.0 programming language to finish questionnaire data input, calls an EXCEL program to finish the storage of the questionnaire data and adopts a PYTHON 3.5 programming langue to plot the questionnaire data. The system comprises the following steps that: an input displaypart is used for displaying and inputting questionnaire information; a storage part is used for storing the input questionnaire information; a plotting part uses the questionnaire information to plotand output a result; in an EXCEL form, the questionnaire page of a blank questionnaire page is preset; the input display part calls all contents of the blank questionnaire page and displays the contents in the input page; the storage part records the input questionnaire information in the filling questionnaire page in a preset storage way; after input is finished, the plotting part calls the plotting problems in all filling questionnaire pages and all corresponding answer information; the answer information is subjected to statistics according to a specific statistical way and plotting to obtain a statistical graph; and the plot is output to the input display part and is displayed in the plotting display picture.

The invention provides a method and system for carrying out air recharge on an RFID card electronic purse. Recharge can be carried out on the RFID card electronic purse through a network platform conveniently based on interaction between a management system and an RFID card end device, and deal details, balance and other information can be conveniently checked through the RFID card end device with a display screen. The method for carrying out air recharge on the RFID card electronic purse comprises the steps that the management system receives and encrypts the recharge information of a network payment platform and receives a recharge request of the RFID card end device, after processing, whether corresponding recharge information exists or not is inquired according to an obtained FRID card number, the encrypted recharge information is sent when the corresponding recharge information exists, the RFID card end device decrypts the encryption recharge information and judges the legality, after the successful judgment, the RFID card end device carries various information feed a result back to the management system, and after the unsuccessful judgment, a result is directly fed back to the management system.

The invention discloses an inclined plate pipe-electroflotation and filtration integrated device and a sewage treatment method. The inclined plate pipe-electroflotation and filtration integrated device comprises a pool body and a water inlet pipe, the water inlet pipe is installed at one end of the pool body, a sludge discharge pipe is fixed in the lower end of the pool body, and one end of the sludge discharge pipe penetrates through the pool body and is arranged on the outer side of the pool body; an aeration branch pipe is fixed inside the lower end of the pool body, an aeration main pipe is arranged at one end of the pool body, one end of the aeration branch pipe penetrates through the pool body and is fixedly connected with one end of the aeration main pipe, an air blower is fixed at the other end of the aeration main pipe, and the air blower is fixed at the upper end of the tank body. The shortages of the prior art are overcome, the problems of long sedimentation time and poor sedimentation effect of an existing free sedimentation pool are solved, a simple unit combination is adopted, an inclined plate sedimentation pool, an electroflotation pool and a sand filter pool are arranged, particles in sewage flow through multi-stage treatment units, the sedimentation effect is improved, finally, the sewage is filtered from by sand filter pool, and the sedimentation efficiency and effect are improved.

The invention discloses a linear guide rail precision detecting device and method. The device comprises a bed, two linear guide pairs in parallel with each other are arranged at left and right sides of the bed respectively, a bridge stand is fixedly connected to the guide pairs and arranged on the guide pairs, a driver unit is arranged in left lower position of the bridge stand, a disk measuring rack is fixedly mounted in the middle of the bridge stand, seven non-contact displacement sensors are arranged on the measuring rack in a symmetrical manner and are aligned with the top center of a detected guide rail, left and right raceways in the upper of the detected guide rail, a reference side surface of the detected guide rail, a non-reference side surface of the detected guide rail and left and right sides, in the width direction, of the bottom of the detected guide rail respectively, a linear guide pair is arranged in the bottom of the bed, three identical axis-Z linear slide units which can move along the length direction of the bed independently are fixedly connected to the linear guide pair and arranged on the linear guide pair, and a carriage which can hold the detected guide rail is arranged on the slide units. The detecting device is simple in structure, the guide rail can be fixed needless of bolts, the manufacture cost is reduced, and the measuring efficiency can be improved.

The invention belongs to the technical field of computer accessories and provides a video live broadcast displayer. The video live broadcast displayer comprises a displayer shell with a built-in main circuit. An infrared camera and a lampshade are arranged on the top of the displayer shell, the cost for purchasing an infrared camera and a lampshade extra is avoided, and the space for arranging the infrared camera and the lampshade is saved. The infrared camera and the lampshade are fixed to connecting rods respectively, the connecting rods, an upper supporting rod, a lower supporting rod and a fixing seat on the top face of the shell are connected in sequence through rotating shafts with dampers, the position of the infrared camera and the position of the lampshade are adjusted through rotation and dislocation among the connecting rods, the upper supporting rod and the lower supporting rod, and adjustment is quite easy and convenient. A camera switch, a left lamp switch and a right lamp switch are arranged on the top of the shell, working or stopping of the camera and the lampshade can be controlled rapidly, and the video live broadcast displayer is clear and convenient to use.

This invention provides a method by which the mobile phone can receive the data via computer. It includes following steps: provides a mobile phone that has a first internet access port, a first data link port and a first data terminal equipment; provides a PC, the PC has the second internet access port, the second data link port and a packet route; the mobile phone connects to the PC through a transmission media; the PC receives the information from internet; by using packet route though the transmission media the information is transferred to the data terminal of the mobile phone.

The invention discloses an all paper tray and a manufacturing method thereof. The all paper tray comprises a top planking board, a tray bottom pier for supporting the top planking board and tray bottom belts connected with the tray bottom pier, wherein the top planking board comprises a honeycomb paper core, paper blocking boards and edge sealing paper; the paper blocking boards are compounded on the upper and lower surfaces of the honeycomb paper core to form a composite board; and the edge sealing paper is wrapped on four sides of the composite board. The manufacturing method comprises the following steps of: manufacturing the top planking board; manufacturing the tray bottom pier; and sticking the tray bottom pier to the top planking board, sticking the paper blocking boards serving as the tray bottom belts to the lower surface of the tray bottom pier, and pre-pressing and drying the paper blocking boards to obtain the all paper tray. The strength of the all paper tray manufactured by the method is equivalent to that of a wood tray, fussy processes of fumigation and quarantine in export packing are avoided, and the manufacturing cost of the tray is greatly reduced.

The invention belongs to the technical field of computer accessories, and provides a displayer for video live broadcasting. The displayer comprises a displayer shell. A display screen is embedded into a front panel of the displayer shell, and a main circuit is arranged in the displayer shell. An infrared camera and lampshades are arranged at the top of the displayer shell. The extra purchase cost is saved, and the space required by placement is avoided. The infrared camera is fixed to the shell through a metal hose, the metal hose can be bent and turned at will, and adjustment is quite convenient. The lampshades are fixed to rectangular sliding strips through supporting rods, the rectangular sliding strips are arranged in rectangular groove-type electrodes in the top face of the shell in a sliding mode, and the positions of the lampshades are conveniently adjusted by sliding the sliding strips. The infrared camera and the groove-type electrodes are electrically connected with the main circuit of the displayer through corresponding switches on the front panel of the shell, working or stopping can be conveniently controlled, and the displayer is simple and rapid.

The invention provides a multi-block chain covert communication method, which comprises the following steps: a system initialization stage: before a sender and a receiver carry out covert communication, determining public parameters of a system and keys used by the sender and the receiver; in the fund preparation stage, each effective transaction of the block chain represents that the amount of money is transferred from the sending address to the receiving address. A sender embedding information and broadcast transaction stage: the sender embeds a message needing to be sent into a random number of a transaction signature, and then broadcasts the transaction on a block chain network; and a receiver search transaction and information extraction stage: the receiver searches a block chain transaction address which may have communication, and extracts information from the block chain transaction address if discovering a transaction with embedded information. The covert communication method on the block chain does not need to be supported by a special mode, so that the covert communication method on the block chain has strong concealment. The method is high in operation efficiency and low in cost, and can ensure the security of cryptocurrency funds of both parties.

The invention discloses a rudder system device assembling and welding method. The method includes A, completing the machining of a rudder stock and blade flange positioning post and a rudder pin seat conical hole; B, welding the blank of a rudder blade flange to the upper portion of a rudder blade; C, turning and milling the rudder flange upper end surface and positioning notch of the welded rudder blade and rudder blade flange; D, installing a rudder pin into the conical hole of a rudder pin seat, fixing the rudder pin to the lower portion of the rudder blade through a plurality of movable clamps, installing the rudder stock and blade flange positioning post in the positioning notch of the rudder blade flange of the rudder blade, and obtaining a pre-assembled rudder system device; utilizing a rudder system device welding tooling to weld the rudder system device. Compared with the prior art, the method has the advantages that the problem that the coaxiality of rudder stock, rudder blade and rudder pin of an existing rudder system device cannot meet the design requirements can be solved.

A sightseeing elevator for a small house building with a building curve, its technical features include a fixing mechanism, a lifting box mechanism, and a control mechanism; the fixing mechanism includes a ladder seat and a ladder top provided on the outside of the wall body, and Walls between the tops of the ladders are provided with wall guide rails, the ladder bases are provided with worm motors, the bottom ends of the screws are provided with bevel-shaped teeth, and the bevel-shaped teeth are provided with the worm wheels of the worm motors; A screw seat is set on the top; a light-transmitting cover is set between the front column and the middle column; a half-floor door is set between the staircase door wall and the half-floor curve, and a side door is set between the half-floor door and the half-floor curve. In the aisle, a bottom plate is provided under the ladder seat; a light-transmitting surface is provided on the front side of the bridge box, and a non-slip overweight alarm floor is provided at the bottom of the bridge box. The ladder seat is used as the load-bearing surface of the ladder, and no need to dig an elevator shaft during construction It reduces the construction cost and improves the efficiency without harming the underground pipeline and wire network, and the use cost is low; it provides modern equipment for low-rise users.

The invention provides an anti-static film and polaroid attaching device. The anti-static film comprises an electrostatic treatment layer and a bonding layer arranged on one side of the electrostatic treatment layer, wherein the electrostatic treatment layer is used for removing static electricity. The anti-static film can be directly attached to the bearing platform of the polaroid attaching device, the problem that an existing polaroid device platform is not anti-static is solved, the potential hazard that a product is broken down by static electricity due to polaroid attaching is eliminated, the idle equipment waste that the entire attaching device needs to be replaced due to the problem of static electricity breakdown is avoided; the applicable device range is relatively wide and huge cost and long cycle for new anti-static equipment and material research and development are saved.

The invention relates to a third party comprehensive mobile ticket service method based on a C / S and B / S mixed mode. The method comprises the following steps: (1) a ticket service enterprise logs on a third party ticket service server through WEB to release ticket service information; (2) required tickets are subscribed; (3) the third party ticket service server transmits the ticket purchasing information to a customer mobile phone through a wireless network; (4) the authentication information and the ticket purchasing information are submitted to a character information management module to be stored and managed; (5) a two-dimensional code recognition system submits the authentication information to a third party authentication center to be authenticated after identifying the two-dimensional code; (6) and after the authentication is successful, the customer gets the corresponding entity ticket from the ticket service enterprise. Even if cracking the character string transmitted in the wireless network, an intercepter can not acquire the two-dimensional code pattern, thereby greatly enhancing the security. Meanwhile, the invention omits the cost for transmitting multimedia messages and lowers the communication cost.

The invention discloses a USB (Universal Series Bus) socket. The USB socket comprises a plug, a wire, a main body, a two-phase jack, a three-phase jack and a USB jack, wherein the plug is connected with the main body through the wire; the two-phase jack, the three-phase jack and the USB jack are formed in the upper surface of the main body; conductive sheets are respectively arranged in the two-phase jack, the three-phase jack and the USB jack, and are connected with the wire; the conductive sheet in the USB jack is connected with the wire through a transformer. The USB socket disclosed by the invention is simple in structure and convenient in use, avoids the trouble and cost for providing a USB power changeover plug for various kinds of electronic products, avoids the trouble that charging can be completed only through a computer in the absence of the USB power changeover plug, and realizes the function for charging the electronic products directly through a household power supply. Therefore, the USB socket has wide market prospects.

The invention provides a cast-in-situ bridge formwork support system device and a bridge cast-in-situ construction method. The device comprises at least two slip mechanisms, all-round scaffold connecting structures and groove track structures, the slip mechanisms move on the groove track structures, two adjacent slip mechanisms are connected through the all-round scaffold connecting structures, and all-round scaffolds are fixed onto the slip mechanisms and driven by the slip mechanisms to move along the groove track structures. By the aid of manpower or tools such as a hoister, the all-round scaffolds are rapidly and integrally migrated to a next construction section or specific position, slip directions can be adjusted at any time in the process, and the cumbersome procedures of assembling and disassembling supports are omitted. Compared with a traditional bridge construction method, the method is more convenient in construction, construction period is saved, labor input can be reduced, the cumbersome procedures of repeatedly disassembling the supports are omitted, and material turnover space and cost are reduced.