24results about How to "Retrofit small" patented technology

The invention relates to a method for disassembling a main drive of a double-shield TBM (tunnel boring machine) in a tunnel, which belongs to the field of disassembly and assembly and comprises the following steps: (1) preparation work; (2) cutting an anterior shield; (3) lifting lugs are welded, and lifting points are arranged; (4) disassembling and turning over by a main driving method; and (5) transporting a main drive. The in-hole dismounting key technology for the double-shield TBM main drive has the advantages that the problem of non-destructive dismounting of the main drive in a narrow space of an equipment shield body is well solved, secondary use of core components is guaranteed, the recovery cost after in-hole shell abandoning and machine dismounting is greatly saved, and the in-hole dismounting key technology is safe, economical and feasible and has wide application prospects. And the method can be used for subsequent dismounting construction of the main drive in similar in-hole shell abandoning and dismounting machines.

The invention provides a communication method and device, a network data analysis function network element and a terminal, and relates to the technical field of communication. The method comprises the following steps: receiving a subscription event of a policy control function network element for proximity services; acquiring related data from related equipment according to the subscription event; analyzing the related data according to the subscription event to obtain a related analysis result; and sending the related analysis result to a policy control function network element, so that the policy control function network element adjusts protocol data unit session related parameters in the proximity service policy, and sending the proximity service policy after parameter adjustment to a corresponding terminal. According to the invention, the problem of resource waste possibly caused by establishing a PDU session for relay communication in advance and the problem of long time delay caused by establishing the PDU session after establishing the terminal connection in the related technology can be solved.

This utility model relates to the technical field of filling equipment and discloses a material clamping and conveying acceleration device, including a fixed plate. An adjustable support plate and a movable pad are mounted on the top of the fixed plate. A height-adjustable connecting plate is mounted on the top of the support plate. Two adjustable support legs are mounted on the top of the movable pad. A motor mounting plate is fixedly mounted on the top of the support legs. A speed-regulating motor is fixedly mounted on the top of the motor mounting plate. A synchronous pulley is fixedly mounted on the drive shaft of the speed-regulating motor. This utility model accelerates the material by driving a synchronous belt with a speed-regulating motor, enabling the material to enter the cartoning machine at a stable and orderly rhythm. This completely solves the problems of material accumulation, compression, and jamming caused by speed mismatch at the cartoning machine inlet, ensuring the continuous, efficient, and stable operation of the packaging production line.

The present application discloses a charging method and system; the method includes: obtaining a charging request of a vehicle, wherein the charging request carries first identification information, first location information and first time information of the vehicle; generating a first random number, and generating a first data matrix based on the first random number, the first identification information, the first location information and the first time information; signing the first data matrix based on a private key corresponding to a prefabricated vehicle charging authorization certificate to obtain a first charging credential, so that a charging pile operation platform can send a charging instruction to a charging pile to control the charging pile to enable charging of the vehicle when a first verification result of the first charging credential is a verification pass.

The utility model relates to the technical field of unmanned aerial vehicle seed automatic quantitative sowing devices, and discloses an unmanned aerial vehicle seed automatic quantitative sowing device which comprises an unmanned aerial vehicle containing supporting rod, and supporting anti-skid foot pads are fixedly installed on the front face of the unmanned aerial vehicle containing supporting rod in an axial symmetry mode. Lifting fixing supports are symmetrically and fixedly installed on the top of the unmanned aerial vehicle containing supporting rod close to the central axis of the front face, a driving electric box shell is fixedly installed on one side of each lifting fixing support, and an air pressure conveying pipeline is fixedly installed on the top of the unmanned aerial vehicle containing supporting rod close to the center. A fixed conveying small hole is fixedly formed in the position, close to the other side, of the bottom of the air pressure conveying pipeline, the air pressure conveying pipeline and the fixed conveying small hole are arranged, air pressure injection can be conducted on internal seeds for sowing, the seeds are quantitatively conveyed according to internal system control, and the sowing efficiency is conveniently improved; transformation of the unmanned aerial vehicle by using a large number of parts is reduced, and cost is saved.

The utility model provides a kind of gas mixing device, it is related to gas mixing technical field, including the air inlet piece and mixing piece of interconnection, main air inlet passage is arranged in air inlet piece along air inlet direction, mixing passage is arranged in mixing piece, main air inlet passage communicates mixing passage, mixing passage is provided with mixing assembly;Several air inlet pipes are arranged on the lateral wall of air inlet piece, vice air inlet passage that communicates main air inlet passage is arranged in air inlet pipe, baffle is arranged at the air inlet of vice air inlet passage, interjacent communication port is provided, compact block is rested on communication port by compact piece, to seal vice air inlet passage;Connecting piece is set on air inlet pipe, connecting passage that communicates vice air inlet passage is arranged in connecting piece, top block is arranged in connecting passage, top block drives compact block to separate from communication port by passing through communication port, realize the intercommunication of connecting passage and vice air inlet passage, guarantee the synchronous opening and closing and reliable sealing of gas circuit in the process of connection and disconnection, avoid gas leakage.

The utility model discloses a kind of sample detection accessory and combined detection system, sample detection accessory includes sample bin;Sample bin is provided with sample inlet and sample outlet, sample inlet and sample outlet are respectively communicated with sample bin inside;Located at one end of sample bin is provided with incident light path unit, incident light path unit is used to collimate the light that is shot into sample bin inside;Located at the other end of sample bin is provided with emergent light path unit, emergent light path unit is used to focus the light that is shot out of sample bin.Processing. Through the coupling of gas path and light path on sample detection accessory, GC, MS and absorption spectrum detection can be combined through the sample detection accessory, so that the combined detection system can simultaneously realize the spectral and mass spectrum analysis of electrolyte components, comprehensive qualitative and quantitative analysis of electrolyte components is realized, the efficiency of analysis is improved, and the accuracy of spectral and mass spectrum analysis is well guaranteed.

This invention relates to a method for retrofitting a commercial vehicle's belt-driven air conditioning system to a dual-mode system, addressing the problems inherent in the current market's primary "dual-system parallel" approach for handling vehicle parking cooling needs. The steps include: (a) removing the original belt-driven compressor from the vehicle's air conditioning system while retaining other components; (b) embedding a permanent magnet synchronous motor drive module, enabling the compressor to switch to AC power drive mode when the engine is off, thus forming a dual-mode compressor capable of both belt and electric drive; connecting it in series with the original air conditioning components to form an air conditioning circuit; (c) providing an electric drive controller and wiring harness, the controller converting AC power into the required voltage to power the dual-mode compressor and the original vehicle air conditioning system; and (d) electrically matching the wiring harness with the original vehicle air conditioning wiring harness and allowing for external AC power connection. This invention achieves seamless switching of the air conditioning system between driving and parking conditions through the dual-mode drive retrofit of the belt-driven air conditioning system.

The invention discloses a battery cell production method and battery cell production equipment, and the battery cell production method comprises the following steps: a lamination process: stacking and fixing sheet materials to a base plate which has elastic deformation capability; and a hot-pressing process: performing hot-pressing on the sheet material and the base plate to deform the base plate and the sheet material so as to produce the arc-shaped battery cell. According to the battery cell production method and the battery cell production equipment disclosed by the invention, the production process of the arc-shaped battery cell can be simplified, the use of more customized equipment is avoided, and the manufacturing cost of the arc-shaped battery cell is reduced.

The application relates to the field of circuit board processing, in particular to a high-precision screen printing device for circuit boards and a processing method thereof, which comprises an exchange device and at least two screen printing machine bodies, the screen printing machine body comprises a processing part, a rotating part and a plurality of conveyors, the rotating part is rotationally connected to the surface of the processing part, the plurality of conveyors are connected to the surface of the rotating part at intervals around the axis of the rotating part, the rotating part is provided with a feeding station, a processing station and a discharging station at intervals around the axis of the rotating part, and the exchange device comprises a base, an exchange assembly, at least two feeding belts and at least two discharging belts. In the application, the exchange assembly is arranged, at least two circuit boards can be fed into the printing device at one time, the feeding and processing efficiency of the circuit boards is improved, the printing device needs to be added only by adding the exchange device in one production line, the transformation of other devices in the production line is reduced, the occupied area of the transformation is reduced, and the processing cost of the circuit boards is reduced.

This invention provides a boiler with a corrosion-resistant flue gas waste heat recovery device. The boiler includes a horizontal flue, within which the flue gas waste heat recovery device is installed. The device includes a flue gas cooling mechanism, dividing the cooling pipes into an upstream and downstream section along the flue gas flow direction. The upstream and downstream cooling pipes are made of different materials; the downstream cooling pipes have stronger corrosion resistance than the upstream cooling pipes. This invention addresses the issue of low-temperature corrosion due to the need for condensate in the downstream section. By separating the upstream and downstream cooling pipes and using different materials for different situations, the cost can be significantly reduced while efficiently absorbing waste heat and recovering water.

The application discloses a pipe pile inner wall welding method based on visual perception and belongs to the technical field of visual detection, and specifically comprises the following steps: firstly, installing an inner wall micro-texture light shielding ring and a root light guide wedge on both sides of a weld, calibrating a camera and a light field geometry, establishing and locking a local coordinate system of the weld; then, starting a ring-shaped polarized light field to light up along the weld in sections, and the light guide wedge guides the grazing light to approach the root to stabilize the incidence; then, acquiring a polarized separation image pair through a double-channel orthogonal polarization acquisition unit, and synchronously recording an azimuth marker and a sectional number; then, generating a polarized reflection map and a brightness reference map through polarization unmixing and curvature compensation, and corresponding to the local coordinate system; then, constructing a feature dictionary, extracting a weld toe profile, a root crack texture and a heat affected zone boundary therefrom, and forming a feature vector; finally, inputting the feature vector into a recognizer, combining the brightness reference map to obtain a defect mask and a label, and projecting back to the local coordinate system of the weld to complete detection.

The invention discloses a precious metal two-dimensional code processing method, and relates to the technical field of laser processing. According to the novel laser printing method, laser parameters (such as power, frequency and scanning speed) are optimized so as to adapt to jewelry materials such as different precious metals, gems and jades, damage to the materials is reduced, meanwhile, the definition and readability of two-dimensional codes and bar codes are ensured, a special printing process is adopted, and the printing efficiency is improved. For example, the material is pretreated before printing or is subjected to coating treatment after printing, so that the durability and the stability of the two-dimensional code and the bar code are improved. A self-adaptive printing algorithm is designed for materials in complex shapes, and it is ensured that the two-dimensional code and the bar code can be accurately printed on precious metal, gemstone and jade in various shapes and do not deform.

The present invention discloses an online monitoring terminal, system and method for rail creeping. The monitoring terminal includes: a camera component, an image processing unit, a signal acquisition unit, a communication unit, a temperature sensor and a light source. The camera component captures an image containing a measurement mark. The image processing unit calculates the position information of the measurement mark based on the image captured by the camera component and sends it to the signal acquisition unit. The light source is used to provide fill light for the image capture of the measurement mark under weak light conditions through the triggering of the signal acquisition unit. The signal acquisition unit simultaneously collects the rail temperature signal measured by the temperature sensor, and sends the rail temperature signal and the position information of the measurement mark to the outside through the communication unit. The present invention can solve the technical problems that the existing line rail status monitoring system adopts contact installation and measurement, which poses great safety hazards to the line and is difficult to maintain.

The utility model discloses a beer sterilizing device which comprises a shell, a sterilizing mechanism for sterilizing is arranged in the shell, the sterilizing mechanism comprises a plurality of mounting racks and spray heads, the mounting racks are uniformly and fixedly arranged in the shell, the spray heads are fixedly arranged on the surfaces of the mounting racks, and the spray heads are fixedly arranged on the mounting racks. Conveying mechanisms used for conveying beer into the shell are arranged on the two sides of the interior of the shell, each conveying mechanism comprises a conveying belt, supporting guide rails, an isolation bin, a rotating disc, a clamping groove and a storage frame, the conveying belts are arranged in the middle of the inner side of the shell, and the supporting guide rails are arranged on the portions, on the two sides of each conveying belt, in the shell. According to the utility model, the tunnel type spraying sterilization machine is improved, so that heat exchange of beer conveyed into the machine every time can be reduced, the temperature in the sterilization machine can be conveniently controlled, the sterilization effect can be improved, and unnecessary heat loss can be avoided.

The invention relates to the technical field of offshore power supply, and discloses a construction power supply system based on a multi-pile steel bearing platform type offshore wind turbine foundation, which comprises a wind turbine foundation unit, a power generation unit and a power supply unit. The fan foundation assembly comprises a first pipe pile, a second pipe pile and a bearing platform arranged at the tops of the pipe piles, wherein the bottoms of the first pipe pile and the second pipe pile are communicated. The power generation unit comprises a wind power generation module and a hydroelectric generation module, an energy conversion sub-module in the hydroelectric generation module can utilize seawater entering the first pipe pile to generate power, and a drainage sub-module is arranged on the second pipe pile and used for draining water in the pipe piles. The construction power supply unit is connected with the wind power generation module and the hydroelectric generation module, and is also connected with a construction power utilization facility through a power supply cable. Power can be supplied to construction power utilization facilities built in an offshore wind plant, the hydroelectric generation module utilizes seawater as a working medium for power generation, the power generation process is clean and free of pollution, the seawater can be obtained locally and is easy to obtain, and the cost is low.

The invention provides a multi-layer film thickness control method which is based on a vacuum coating machine, and the vacuum coating machine comprises an evaporation system, an umbrella stand and a correction plate located between the evaporation system and the umbrella stand; the correction plates comprise a first correction plate, a second correction plate and a third correction plate; the method mainly comprises the following steps: firstly, placing a substrate glass product in a clamp, then placing the clamp in a hollow part of an umbrella stand, starting an evaporation source, driving an electron beam into a coating material, enabling the coating material to be evaporated by the electron beam and then penetrate through a first correction plate to be deposited on the surface of the substrate glass product, and then closing the evaporation source of an evaporation system to finish first coating; replacing the first correction plate with a second correction plate, and carrying out second coating; and finally, replacing the second correction plate with a third correction plate, and carrying out third coating. The method is reasonable in conception and simple in process, the uniformity of product coating can be effectively controlled, the performance and the yield of products are remarkably improved, the coating material loss is low, and the requirement for coating products with higher precision can be met.

The utility model relates to a horizontal two end support double suction pump axial force measuring device, including sensor limit cover, axial force transducer, outer gland, inner gland, bearing seat, deep groove ball bearing, lengthening shaft etc.

The application discloses a power generation system and operation method suitable for deep peak regulation, and aims at solving the problems of small pressure difference of extraction steam at all levels, poor drainage of high and low pressure heaters and the like of a coal-fired unit during deep peak regulation operation, different operation load sections are divided, the operation characteristics of the unit under low load are considered, the thermal parameters of the unit are all deviated from the set values, different reconstruction modes of the regenerative system are adopted according to the load section where the unit load is located, the low-pressure regenerative system configuration is changed under low load, the high and low pressure regenerative system configurations are simultaneously changed under very low load, the drainage flow process of each heater is adjusted, and a drainage pump is reasonably installed, so that the loss of additional cold source is avoided, and the safe operation of the condenser and the cylinder body of the steam turbine is ensured. The application improves the smoothness of steam-water flow and the heat exchange matching under all working conditions of the unit, realizes the wide-load normal operation of the regenerative system of the unit, and improves the operation thermal economy and safety of the unit.

The utility model relates to the technical field of car couplers, in particular to a Zhan style car coupler coupling auxiliary device which comprises an upper mounting seat, the mounting seat is connected below a Zhan style car coupler, a cantilever support is arranged on one side of the front portion of the mounting seat, a shifting rod is hinged to the end, away from the mounting seat, of the cantilever support, and a pin rod is vertically arranged in the shifting rod in a penetrating mode. The pin rod is arranged in a coupler knuckle of the Zhan style car coupler in a penetrating mode, and a swing mechanism is arranged on one side of the shifting rod. And the arranged driving lever is matched with the driving of the swinging mechanism, so that the coupler knuckle can be automatically opened, the automation degree is improved, and the labor cost is reduced.

The utility model discloses a lift table leg, including telescopic sleeve, be equipped with cable in telescopic sleeve, be equipped with the electric push rod of drive telescopic sleeve telescopic in cable side, telescopic sleeve has the end plate of being located in its end, and the electric push rod has fixed end, and fixed end is connected with end plate, be equipped with the mounting plate of separating setting with electric push rod on end plate, be equipped with the mounting groove on mounting plate, be equipped with the line card on cable, and the line card is carded and is equipped in mounting groove, in the scheme, directly connect the mounting plate of being as fixed line structure with the end plate of telescopic sleeve, and separate setting with electric push rod, and electric push rod directly uses the ready -made general structure, need not to carry out the reform, not only has simplified the production tedious degree of electric push rod, reduced cost, and maintained simple structure, and production and assembly are convenient.

The present invention discloses a foldable enclosure device for a ship air layer drag reduction system, which is installed on the flat bottom of an air layer drag reduction ship, and the top of the flat bottom is a ship bottom cabin, including a plurality of air pocket enclosures and a plurality of drive structures. Each air pocket enclosure is rotatably connected to the lower surface of the ship flat bottom. After each air pocket enclosure is rotated and unfolded, it cooperates to enclose an air pocket for accommodating the air layer of the air layer drag reduction ship. Each air pocket enclosure is respectively equipped with one or more drive structures, and the drive structure includes a drive member and a transmission member. The drive member is arranged in the ship bottom cabin, one end of the transmission member is connected to the drive member, and the other end passes through the ship flat bottom and is connected to the air pocket enclosure, and a sealing structure is arranged between the transmission member and the ship flat bottom; the drive member drives the air pocket enclosure to rotate relative to the ship flat bottom through the transmission member, so as to realize the unfolding or folding of the air pocket enclosure. According to the present invention, the ship flat bottom only needs to be cut and processed where the transmission member passes, so the modification of the ship bottom is relatively small.

The utility model discloses an inner cooling roller way water retaining structure which comprises a spiral outer sleeve, a spiral inner sleeve, a spiral water seal gap and a sealing ring, one end of the spiral outer sleeve is connected with a through seat of a bearing cover, the spiral inner sleeve is coaxially sleeved on the end portion of a rolling shaft, one end of the spiral inner sleeve is connected with the through seat, and the section of the sealing ring is in a V shape. The inner cooling roller way water retaining structure is arranged between the spiral inner sleeve and the transparent cover and can block communication of the spiral water seal gap and the gap between the spiral inner sleeve and the transparent cover, and the sealing effect is guaranteed by sequentially arranging the multiple water retaining structures. The spiral water seal structure formed by the spiral outer sleeve and the spiral inner sleeve is used for sealing in the using process, the sealing ring is arranged between the spiral inner sleeve and the transparent cover for sealing in a static state, water flow is prevented from escaping inwards through a spiral water seal gap, the roller way can be directly added on the basis of an original roller way, the improvement on the existing roller way is small, and the cost is low.

The utility model provides a kind of LED display screen module glue pouring fixing structure, its tray is provided with at least one module groove, and the middle crossbeam side of module groove bottom corresponds the middle crossbeam side of module bottom shell and is equipped with T type sliding groove;The fixed sheet of T type sliding member is vertically equipped in L type pressure buckle one end, and fixed sheet and L type pressure buckle are locked to be made up by screw;T type sliding member is penetrated and is clamped to middle crossbeam with slot.The glue pouring fixing structure is opened T type sliding groove and the T type sliding member matched with it in the module groove bottom of jig tray, and the L type pressure buckle of T type sliding member is penetrated and is clamped to middle crossbeam with slot, and bottom shell is fixed in module groove, and is clamped to be clamped, ensure that module does not occur horizontal inclination in glue pouring process;The structure is small to the original glue pouring jig tray modification, overall structure design is simple, easy to operate, and fixed effect is good, and it is good in versatility, can be fixed to the conventional and very large scale module glue pouring processing, and it is practical, can be quickly produced, and it is beneficial to popularization and application.