23results about How to "Fast supply" patented technology

The invention relates to the technical field of mining oxygen supply regulation, in particular to a mining working face intelligent oxygen supply regulation system which comprises oxygen supply equipment, air purification equipment is arranged on one side of the oxygen supply equipment, one end of the oxygen supply equipment and one end of the air purification equipment are both connected with connecting pipes, and one sides of the two connecting pipes are jointly connected with air hole regulation equipment. And one side of the air hole adjusting equipment is connected with an air supply pipe, and fan equipment is installed at one end of the air supply pipe. Air can be effectively purified through the effect of the purification assembly, disassembly and replacement are convenient, the gas condition in the mine tunnel can be effectively monitored so that whether gas supply is conducted or not can be rapidly controlled, meanwhile, the oxygen content can be controlled, the safety in the mine tunnel is guaranteed, gas can be fully supplied to workers in the mine tunnel, and the working efficiency is improved. And fixed-point oxygen supply can be carried out according to the conditions in the mine tunnel, and the gas quality in the mine tunnel is improved.

The utility model discloses a cloth cutting punching machine, and particularly relates to the field of baseball cap processing equipment, which comprises a machine body, support legs are arranged at the bottom end of the machine body, a workbench is arranged on the machine body, a bottom plate is mounted at the bottom end of the workbench, a plurality of support components are uniformly mounted on the bottom plate, cross rails are symmetrically mounted at the top end of the machine body, and the cross rails are connected with the baseball cap processing equipment. A first moving mechanism is arranged on one side of one transverse rail, a support is jointly supported by the two transverse rails and the top end of the first moving mechanism, a second moving mechanism is installed on the support, a bottom frame is installed at the bottom of the second moving mechanism, a blanking mechanism is arranged on the bottom frame, and a punch is installed at the bottom end of the blanking mechanism. The cloth cutting device has the advantages that the whole cloth placed on the workbench can be cut in a multi-point mode, one-time placing and positioning can be achieved, continuous blanking can be achieved, the blanking efficiency can be improved, the blanked cloth can be automatically ejected out, and material picking is facilitated.

The present invention discloses a novel guide rail positioning welding workbench, and the present invention relates to the field of welding workbenches. The novel guide rail positioning welding workbench described in the present invention comprises a workbench body, a guide rail arranged on the upper surface of the workbench body, a slider symmetrically slidably connected to both ends of the guide rail, a first motor fixedly connected to the side of the workbench body, a bidirectional screw rod fixedly connected to the output shaft of the first motor, an L-shaped plate fixedly connected above the slider, and a welding assembly arranged on the back of the workbench body, wherein the bidirectional screw rod is connected to the two sliders by threads, and the surface of the L-shaped plate is provided with a clamping mechanism for clamping conical pipe fittings, square pipe fittings and circular pipe fittings; according to actual use requirements, when replacing different types of pipe fittings for welding processing, the present invention does not need to stop the equipment, and can quickly switch different types of pipe fittings for welding, thereby improving the overall welding processing efficiency.

The invention relates to a sheet conveying mechanism for a reactor shear line, and relates to the technical field of silicon steel sheet production. The feeding device comprises a plurality of rails, a feeding space for silicon steel sheets to be inserted is formed between every two adjacent rails, and a notch for the side edge of each silicon steel sheet to be inserted is formed in the side, facing the feeding space, of each rail. Two roller sets are arranged in the notch of each rail in the length direction of the notch, and each roller set is rotationally connected into the corresponding rail and used for making contact with the side wall of a silicon steel sheet. One end of each track is rotationally connected with an unwinding roller, a plurality of unwinding areas corresponding to the feeding spaces one to one are arranged on the unwinding roller, and the unwinding areas are used for placing rolled silicon steel sheets; the silicon steel sheet conveying device has the effect of improving the conveying and supplying efficiency of silicon steel sheets.

The application relates to a liquid rocket engine test heating device, in particular to a liquid rocket engine inner cavity induction heat accumulation type hot nitrogen gas supply device and method, and solves the technical problem that the existing low-temperature liquid rocket engine usually adopts an external hot air forced convection or electric heating wire heating nitrogen gas mode to heat the pipeline and the engine inner cavity nitrogen gas, and it is difficult to meet the low-temperature liquid rocket engine pipeline and engine inner cavity rapid temperature recovery requirement. The liquid rocket engine inner cavity induction heat accumulation type hot nitrogen gas supply device comprises a heating unit, a pressure monitoring unit, a temperature monitoring unit and a control unit; the heating unit comprises a buffer tank and a heating assembly arranged on the buffer tank; an air inlet of the buffer tank is used for being connected with an air source; the pressure monitoring unit and the temperature monitoring unit are arranged on the buffer tank and are connected with the control unit respectively; and the control unit is used for controlling the heating assembly to work according to the inner cavity nitrogen gas temperature and the outer wall temperature of the buffer tank.

The utility model discloses a vehicle-mounted gas water heater. The vehicle-mounted gas water heater comprises a shell, a gas inlet assembly, a combustion assembly and a flow dividing assembly. The combustion assembly is provided with a plurality of gas channels, the flow dividing assembly comprises a flow dividing pipe and a switch valve, the flow dividing pipe is arranged on one side of the combustion assembly, a gas inlet is formed in one end of the flow dividing pipe, the other end of the flow dividing pipe is closed, the gas inlet is connected with the gas inlet assembly, and a gas inlet channel communicated with the gas inlet is formed in the flow dividing pipe and comprises a first gas chamber and a second gas chamber. Nozzles are arranged on the first gas chamber and the second gas chamber respectively, the gas channel is communicated with the nozzles, the switch valve is arranged between the first gas chamber and the second gas chamber, when the switch valve is opened, the first gas chamber and the second gas chamber are opened at the same time, and the multiple nozzles supply gas for combustion synchronously. When the switch valve is closed to cut off the second air chamber, only the first air chamber maintains air supply, the number of nozzles participating in work is reduced, the minimum fire power is reduced, and complex adjusting operation is not needed.

The invention discloses a high-speed plastic vacuum forming machine, and relates to the technical field of plastic vacuum forming machines, the high-speed plastic vacuum forming machine comprises two groups of mounting racks which are arranged in parallel front and back, connecting frames are fixedly connected to the left and right ends between the two groups of mounting racks, a fixing column is fixedly connected to the right side between the two groups of mounting racks, and feeding grooves for feeding are fixedly connected to the inner sides of the two groups of mounting racks; a mounting column is fixedly connected to the lower portion between the two mounting frames, a vacuum pump is fixedly mounted above the mounting column, a forming assembly is arranged between the two mounting frames and on the left side of the heating assembly, and a cutting assembly is arranged between the two mounting frames and on the left side of the forming assembly; and a stacking assembly is fixedly mounted between the two mounting frames and on the left side of the cutting assembly. The full-automatic plastic uptake machine has the advantages that multiple functions of feeding, heating, plastic uptake, cutting and stacking are integrated, and the high-speed, high-efficiency and high-quality production requirements can be met.

The utility model discloses deep groove ball bearing producing and machining equipment which comprises a cleaning mechanism, a detecting mechanism and an assembling mechanism. The cleaning mechanism is matched with a spraying device through the cavitation effect of an ultrasonic generator, deep cleaning can be conducted on the inner ring, the outer ring and ball gaps of the deep groove ball bearing, oil stains and chippings are effectively removed, and sewage is discharged through a liquid outlet after cleaning. The detection mechanism synchronously detects multiple parameters such as the size precision, the surface roughness and the roundness of the bearing by means of a multi-parameter detection probe, detection data are transmitted to the data processing system to be analyzed, and whether the bearing is qualified or not is rapidly judged. An automatic feeding device of the assembling mechanism conveys parts, and an assembling mechanical arm is matched with a positioning clamp to accurately complete assembling of all parts of the bearing. All the mechanisms of the equipment work cooperatively, and the production and machining efficiency, quality and assembly stability of the deep groove ball bearing are improved.

The utility model relates to the technical field of rewinding machines, in particular to a feeding rewinding roller structure of a rewinding machine. A rewinding roller feeding structure of a rewinding machine comprises a temporary storage assembly, the temporary storage assembly is composed of a first temporary storage bin and a second temporary storage bin, the first temporary storage bin and the second temporary storage bin are arranged in a spaced mode, a plurality of rewinding rollers are arranged between the first temporary storage bin and the second temporary storage bin, and penetrating notches are formed in the bottoms of the first temporary storage bin and the second temporary storage bin. The rewinding roller feeding device has the advantages that due to the structure, a rewinding roller can rapidly and orderly enter a rewinding roller waiting area, continuous and stable roller body feeding is provided, accurate control and transfer of the rewinding roller are achieved, orderly arrangement in the rewinding roller waiting area is guaranteed through the smooth transfer process, the shutdown time of a rewinding machine is effectively shortened, and the rewinding efficiency is improved. And the overall production efficiency is improved.

The present invention discloses a heat storage device, an energy supply system and a method for rapidly increasing the load of a coal-fired power generation unit, and relates to the technical field of rapid peak regulation of coal-fired power generation. Aiming at the problem that the steam production rate of the boiler of a coal-fired power generation unit is insufficient under low-load operation conditions, resulting in the limited load change rate of the unit, the present invention provides a high-temperature and high-pressure water heat storage device and its energy supply system that can improve the rapid load increase capacity of boilers of various grades of coal-fired power generation units. When the unit is in stable operation or load reduction at medium and high loads, the abundant steam energy is stored in the high-temperature and high-pressure water heat storage device through indirect heat exchange. When the unit is in a low-load condition and needs to climb rapidly, the water heat storage device directly supplies high-enthalpy steam and saturated water to the boiler steam-water system. Since there is no fuel heat release and working medium heat absorption process in the energy supply process, the problem of boiler heat transfer hysteresis is fundamentally solved, thereby directly and rapidly improving the boiler steam production rate and realizing rapid load increase of the coal-fired power generation unit.

The utility model relates to a lightweight metallurgical gear ring, the inner side edge end of a gear ring body and the staggered position of a fixed seat are connected with three groups of connecting blocks at equal angles, the inner sides of two groups of connecting blocks are connected with guide rods in a sliding manner, the end parts of the guide rods are connected with limiting caps, the end parts of the two guide rods are fixedly connected with edge extrusion rings, and the edge extrusion rings are fixedly connected with the fixed seat. Through the design of the conical structure of the edge extrusion ring, the edge of the edge extrusion ring can be tightly attached to the gap position between the rotating shaft and the gear ring body, so that when the rotating shaft and the gear ring body are connected, the gap position between the rotating shaft and the gear ring body can be gradually extruded and blocked through movement of the edge extrusion ring, and the sealing effect is improved. Therefore, the stability between the gear ring body and the rotating shaft after preliminary connection is improved, the phenomenon of loose connection of the rotating shaft is avoided, and according to the mounting mode, the gear ring body can be connected with rotating shafts with different diameters according to requirements by adjusting the position of the fixing screw rod in the fixing hole and matching with the movable extrusion effect of the edge extrusion ring.

The invention provides a movable air source supply device and method for shooting range launching. The movable air source supply device comprises an air supply moving module, a pressurization moving module and an air storage moving module. The gas supply moving module comprises a helium cylinder vehicle and a nitrogen cylinder vehicle; the gas storage moving module comprises a helium gas storage cylinder group and a nitrogen gas storage cylinder group; the pressurization moving module comprises a helium pressurization device and a nitrogen pressurization device, the helium pressurization device is connected with the helium cylinder vehicle and the helium storage cylinder set, and the nitrogen pressurization device is connected with the nitrogen cylinder vehicle and the nitrogen storage cylinder set; the air source system can be integrally transferred and quickly connected; the test flight cost can be reduced, and the preparation period of shooting range launching is shortened.

Provided is a motor vehicle capable of suppressing shortage of energy of a second power storage device when a vehicle is traveling while reducing the size of the second power storage device, and improving the life of a first power storage device. The motor vehicle includes a first power storage device 4, a second power storage device 5, a power converter 10, a first switch S3 that forms a circuit connecting the power converter 10 and an inverter 2 not via the second power storage device 5, a second switch S4 that forms a circuit connecting the power converter 10 and the inverter 2 via the second power storage device 5, and a third switch S5 that forms a circuit connecting the second power storage device 5 and a ground. During stopping of a motor 1 and / or during power driving of the motor 1, the first switch S3 is set to a connected state, the second switch S4 is set to a disconnected state, and the third switch S5 is set to a connected state, and energy is supplied from the first power storage device 4 to the second power storage device 5 while an output voltage of the first power storage device 4 is stepped down.

This utility model discloses an electrolyzer for a water electrolysis hydrogen production device, comprising a tank body and a sealing cover. A front-end plate is located on the left side of the tank body, and a rear-end plate is located on the right side. Multiple bipolar plates are fixedly arranged at intervals inside the tank body. Between adjacent components—between the front-end plate and the first bipolar plate, between each bipolar plate, and between the last bipolar plate and the rear-end plate—a porous anode electrode, a diaphragm, and a porous cathode electrode are sequentially sandwiched, forming multiple electrolysis chambers. Each electrolysis chamber has an electrolyte inlet at its rear and an anolyte outlet and a catholyte outlet at its front, corresponding to the anode and cathode flow fields, respectively. This utility model provides a short-range, directional flow channel for each reaction unit by setting independent electrolyte inlets and anolyte outlets at the front. This design ensures that the electrolyte can be rapidly and uniformly supplied to each electrode surface, improving current efficiency and saving energy.

The present invention discloses a gantry concrete pouring machine for prefabricated box beams and a construction method thereof, comprising: a gantry having two pouring chambers, and a loading station is formed on one side of the two pouring chambers away from each other; a walking and lifting assembly is arranged on the gantry for controlling the movement of the gantry; a loading assembly is arranged in the loading station; a material distribution assembly is arranged in the pouring chamber, and moves along a length direction parallel to the prefabricated box beam construction table, and can be moved to the loading station; a vibrating and smoothing assembly is relatively fixed with the material distribution assembly, and is used to vibrate and smooth the materials on the prefabricated box beam construction table in turn. The present invention relates to the technical field of casting and forming of prefabricated box beams. Through the above arrangement, the mechanization degree of forming of prefabricated box beams is effectively improved, so as to improve the forming rate and forming quality of prefabricated box beams, and correspondingly reduce the labor intensity of human labor.

The invention discloses an aluminum bar peeling device for seamless aluminum pipe production, which is characterized in that a heated aluminum bar is placed on a supporting seat, then the aluminum bar is pushed to an annular cutter through a pushing piece, when the aluminum bar penetrates through the annular cutter, the annular cutter peels off an oxide layer on the peripheral wall of the aluminum bar, the peeled oxide layer is adhered to the annular cutter, and the aluminum bar is peeled off. And then the annular material pushing plate is moved so that the annular material pushing plate can push off the aluminum bar oxide layer adhering to the annular cutter, at the moment, the supporting base is located at the second station, the supporting base does not shield the discharging port, and therefore the aluminum bar oxide layer falls into the discharging port after being separated from the annular cutter and then falls into a storage basket. According to the aluminum bar peeling device, an aluminum bar oxide layer attached to the annular cutter can be automatically pushed down and collected into the storage basket, so that the workload of operators is reduced, the waiting time of aluminum bar peeling is shortened, and the aluminum bar peeling efficiency is improved.

The utility model relates to a kind of commercial concrete conveying device, belong to concrete transfer technical field.The top of buffer box is connected with the vertical conveying pipe A being communicated with its inner cavity, the bottom of buffer box is connected with the vertical conveying pipe B being communicated with its inner cavity, the vertical conveying pipe A and vertical conveying pipe B are staggered arrangement, the bottom of buffer box is provided with the sliding guide inclined plate being cooperated with vertical conveying pipe A, the vibrating rod is installed on vertical conveying pipe A by vibrating rod fixing frame, the bottom end of vibrating rod penetrates the top plate of buffer box, and extend to the connecting place of buffer box and vertical conveying pipe B.The commercial concrete conveying device of the utility model, the vertical conveying pipe A and vertical conveying pipe B are staggered arrangement, buffer effect by sliding guide inclined plate, the overall reduction of concrete falling speed avoids the segregation phenomenon, is applicable to concrete vertical conveying, guarantee that concrete can be quickly, continuously supplied.

The invention belongs to the technical field of organic synthesis, and particularly relates to a continuous production method and device of isobutylbenzene. The continuous production method comprises the steps that a raw material A and a raw material B are continuously introduced into a reactor for a side chain alkylation reaction, the raw material A comprises methylbenzene and a catalyst, the raw material B comprises propylene, obtained reaction liquid containing isobutylbenzene is continuously discharged and subjected to solid-liquid separation, solid and first feed liquid are obtained, and the solid is the recycled catalyst and is reused; carrying out first rectification on the first feed liquid to obtain second feed liquid and a first gas component; the first gas component is recycled propylene; carrying out second rectification on the second feed liquid to obtain third feed liquid and a second gas component; the second gas component is recycled methylbenzene; and carrying out third rectification and liquefaction on the third feed liquid to obtain isobutylbenzene. Compared with a traditional kettle type production process, the method has the advantages that the reaction pressure is low, the reaction temperature is easy to adjust, side reactions are reduced, and the method is more efficient and stable.

This application relates to the field of photovoltaic device manufacturing and testing technology, specifically disclosing a rapid testing method for the contact resistance of solar cells based on TLM (Transmission Line Model). To address the problem of large fluctuations and numerous outliers in data measured by domestically produced equipment, the method includes: S1, Sample Preparation: Using a dicing machine, the main grids of the solar cell are removed, leaving the fine grids, to prepare strip-shaped test samples, which are then fixed on a testing platform; S2, Probe Matching and Testing: Based on the fine grid spacing of the strip-shaped test samples, a matching probe model is selected, and multiple fixed strip-shaped test samples are subjected to transmission line model testing to obtain contact resistance and resistivity data; S3, Outlier Data Processing: The dataset obtained in S2 undergoes two-level filtering: significantly large outlier data is deleted; the remaining data is sorted and a trend chart is plotted, deleting step-like jump points that deviate from the overall gradual upward trend. This application effectively solves the core pain point of large data fluctuations and numerous outliers in domestically produced equipment.

A rotary compressor is disclosed. The rotary compressor comprises at least one vane that is slidably inserted into a vane slot provided in a roller or a cylinder so as to separate a compression space into a plurality of compression chambers, wherein the vane has an oil supply groove formed in at least one of both axial side surfaces respectively facing a main bearing and a sub bearing, and the oil supply groove may be formed longer in the longitudinal direction of the vane than in the width direction of the vane. Through this, it is possible to suppress friction loss and wear on a friction surface by supplying oil to the friction surface in contact with the vane.

The invention belongs to the technical field of hydrolysis hydrogen production, and particularly relates to a platinum-nickel-phosphorus nano hexapod-nitrogen-doped graphene aerogel composite material as well as a preparation method and application thereof. The preparation method comprises the following steps: firstly preparing reduced graphene oxide hydrogel, then introducing a platinum-nickel nano hexapod on graphene aerogel by adopting a hydrothermal method, then carrying out heating treatment in an air atmosphere to prepare synthesized oxidized platinum-nickel nano hexapod / nitrogen-doped graphene aerogel, and finally carrying out heating treatment together with a phosphorus source in an argon atmosphere to prepare the platinum-nickel nano hexapod / nitrogen-doped graphene composite material. And finally, the platinum-nickel-phosphorus nano hexapod / nitrogen-doped graphene aerogel composite material is prepared. Wherein the nano hexapod particles are uniformly dispersed in the nitrogen-doped graphene aerogel, so that the effects of increasing the number of active sites of the catalyst, improving the intrinsic catalytic activity of the catalytic active sites, stabilizing the particle structure and improving the stability of the catalyst are achieved; the prepared aerogel composite material can be used as an efficient catalyst to be applied to the field of hydrogen production by water electrolysis.

The invention relates to the technical field of electronic cigarettes, in particular to an electronic cigarette capable of achieving rapid oil supply through volume compression. Comprising an atomizer and an oil bottle, and the atomizer comprises a shell, a movable sealing piece, a shifting rod and an atomizing core assembly; the shell is provided with an inner cavity, a track groove, an oil guide hole and a flue; the movable sealing piece is arranged in the inner cavity and divides the inner cavity into an upper cavity and a lower cavity which are independent from each other, the rail groove is communicated with the upper cavity, the lower cavity is communicated with the flue through the oil guide hole, one end of the deflector rod is located above the movable sealing piece and abuts against the movable sealing piece, and the other end of the deflector rod is connected to the rail groove in a sliding mode and extends out of the shell; tobacco tar is supplied to the atomizing core assembly from the lower cavity through the tar guide hole; the tar bottle is provided with an arc-shaped groove, when the atomizer and the tar bottle are assembled, the shifting rod extends into the arc-shaped groove, the tar bottle is rotated to enable the arc-shaped groove to push the shifting rod to slide along the track groove, the shifting rod pushes the movable sealing piece to move along the inner cavity, the movable sealing piece compresses the volume of the lower cavity, tobacco tar in the lower cavity is squeezed to the atomizing core assembly, and the purpose of rapidly supplying the tobacco tar is achieved. And user experience is satisfied.

The embodiment of the invention provides a fuel gas auxiliary heating type flue gas heat exchange frost restraining type heat pump air conditioning system. The fuel gas auxiliary heating type flue gas heat exchange frost restraining type heat pump air conditioning system comprises a compressor, a condensation heat exchanger, an evaporator, a vacuum heat exchanger and an air preheater. A vacuum heat exchanger is additionally arranged between a condensation heat exchanger and a heat using tail end, direct combustion heat compensation is conducted on flowing hot water through a fuel gas heat compensation unit of the vacuum heat exchanger, and the water supply temperature of the system under the heating working condition in winter is ensured. High-temperature flue gas exhausted during heat compensation can enter the air preheater to exchange heat with introduced low-temperature air, and the preheated air is blown to the evaporator, so that frosting of the heat pump can be effectively inhibited, the starting time prolonged due to defrosting in extreme weather is shortened, and the heating efficiency of the heat pump is improved; when the air conditioner is started in extreme weather in winter, hot water of the air conditioner can be preheated through the fuel gas heat compensation unit, and frost on the surface of the evaporator is removed through flue gas heat exchange, so that the defrosting time of the heat pump is effectively shortened, the supply speed of the hot water is increased, and the power consumption required by defrosting is reduced.