31results about How to "Improve the universality of application" patented technology

The invention relates to a porous air-suspending supporting system applied to full physical simulation. According to the air-suspending supporting system, a vacuum pre-load with volume reduction hills is adopted for being combined with a porous flow controller; and the porous air-suspending supporting system mainly comprises a vertical guide mechanism, an adjustable supporting transverse beam, a bearing sensor (17) and an air-suspending supporting mechanism (3), wherein the air-suspending supporting mechanism (3) is formed by an air-suspending supporting shell (23), air nozzles (19 and 20) and the porous flow controller (7). The air-suspending supporting shell (23) is formed by air-suspending pressure-sharing structures (7, 22, 24, 25 and 26), a negative pressure vacuum cavity (26) and the volume reduction hills (22). According to the porous air-suspending supporting system applied to full physical simulation, the anti-dumping force is increased so that the system can be more stable; and the system stability is further improved.

The invention discloses a telescopic drying rack for construction sites. The telescopic drying rack comprises a base, a first supporting rod is detachably connected on the upper surface of the base, one end of the first supporting rod is connected with a sleeve in an inserted manner, one end of the sleeve is movably connected with a movable supporting rod, one end of the movable supporting rod isconnected with a four-way inserting connection pipe in an inserted manner, a telescopic rod is detachably connected on one side of the four-way inserting connection pipe, a second connecting supporting rod is connected on the upper portion of the four-way inserting connection pipe in an inserted manner and fixedly connected with a connecting lug, one end of the telescopic rod is connected with a take-up box through a fastener, a take-up shaft is rotatably connected in the take-up box, a steel strand is fixedly connected on the surface of the take-up shaft, and one end of the steel strand is detachably connected with a hook. According to the telescopic drying rack, the length of the telescopic rod is conveniently adjusted by rotating an adjusting bolt, the telescopic drying rack can be adjusted according to the length of clothes, applicability of the telescopic drying rack is improved, and the hook is connected with the connecting lug, so that the telescopic rod can dry more clothes.

The invention discloses a slit heat exchanger. The slit heat exchanger is nested on a hot end and capable of covering a working medium gas flow channel port of the hot end. The slit heat exchanger comprises a plurality of heat exchanging fins; the heat exchanging fins are sequentially connected end to end into a folded shape and form a barrel-shaped heat dissipating body in the way of enclosing along the directions of the connection sides of the heat exchanging fins; a certain included angle is arranged between each two adjacent heat exchanging fins. According to the slit heat exchanger, the heat exchanging fins connected end to end into a folded shape form the barrel-shaped heat dissipating body in an enclosing way and slit channels are formed in the heat exchanging fins cooperatively, sothat the contact area of the working medium gas is increased and the working medium gas is enabled to generate a scroll, break a thermal boundary layer and strengthen the disturbance when passes through a heat exchanging channel, therefore the heat exchanging coefficient can be increased and the heat exchanging can be efficient and uniform; moreover, the flow route of the working medium gas can be guided by advanced flow expanding of a flow expanding guiding channel. Furthermore, the slit heat exchanger is compact in structure and small in volume, and not only that the application universality of the slit heat exchanger can be increased and the application requirement of people for high-performance refrigeration equipment can be met.

The invention discloses a compression type garbage transfer station device capable of conveniently adjusting the width of a carrying surface. The compression type garbage transfer station device comprises a housing, adjustment mechanisms are symmetrically installed inside the housing, supporting mechanisms are symmetrically installed on both sides of the housing, limiting mechanisms are installedon one sides of the adjustment mechanisms, and auxiliary driving mechanisms are installed on one sides of the supporting mechanisms. According to the compression type garbage transfer station device,ejector rods are driven to extend by an oil cylinder, since the outer walls on both sides of the housing are of a penetrating structure, so that a metal plate is pushed out of an inner cavity of the housing, a second slide rail is connected with a first slide rail in a penetrating mode, rollers operate along the second slide rail, the metal plate is enabled to be located above an L-shaped bottom plate, so that the width of a carrying device is changed, different types of garbage vehicles can be parked, the universality of application is improved, a vehicle passes through an inclined surface ona triangle block, the vehicle can be conveniently traveled to the carrying device, non-slip blocks are integrally formed on the upper surface of the triangle block, the friction force with vehicle tires can be increased, and the vehicle can be further conveniently traveled onto the carrying device.

The invention discloses a control system of automatic electromechanical equipment. The system comprises a central processing unit, and a plurality of equipment connectors which are in line connectionwith the central processing unit. Each equipment connector comprises an equipment interface module, a detection module and a signal transmission module; the signal input end of each detection module is in line connection with the signal output end of the corresponding equipment interface module, the signal output end of each detection module is in line connection with the signal input end of the corresponding signal transmission module, and the signal output end of each signal transmission module is connected with the central processing unit; the central processing unit comprises a central control module, a power supply adjusting module and a signal receiving module; and the signal input end of each signal receiving module is connected with the signal output end of the corresponding signaltransmission module, the signal output ends of the signal receiving module and the central control module are in line connection with the signal input end of the power supply adjusting module, and the signal output end of the power supply adjusting module is in line connection with the signal input end of the equipment interface module.

The invention discloses an automatic drive test system. According to the system, a device bracket, a drive mechanism, an automatic positioning mechanism and a control mechanism are arranged, wherein the device bracket is provided with a cavity for receiving a box type sampler to be detected, the upper surface of the device bracket is provided for placing the positioning mechanism, the drive mechanism is arranged on the positioning mechanism and is provided with a cross plate test assembly, the cross plate test assembly is inserted into clay to be detected and measures the shear strength, and the control mechanism is provided with a control circuit and is provided for outputting a starting test command to the drive mechanism and real-timely reading the rotation angle value of the cross plate test assembly and the corresponding torque value. According to the present invention, the automatic drive test system relates to, but is not limited to clay test equipment; and with the automatic drive test system, the drawbacks in the prior art can be effectively overcome, the shear strength test of the soft clay with the high water content can be achieved, and the precision of the final test result can be effectively ensured.

The invention discloses an electric equipment radiating frame. The electric equipment radiating frame comprises a mounting plate, a support rod is welded at one end of the mounting plate, the surfaceof the support rod is movably connected with a sliding block, one side of the sliding block is movably connected with a No.1 roller, the surface of the No.1 roller is fixedly connected with a base, astrut is welded at the other end of the mounting plate; the surface of the strut is movably connected with a telescopic rod, one end of the strut is fixedly connected with a lighting lamp; radiating fins are arranged at one side of the telescopic rod, a fan is arranged at one side of the radiating fin, and a mounting lug is arranged at the other side of the radiating fin; the bottom surface of themounting lug is fixedly connected with a No.2 roller. The heat is dissipated to the surrounding air through the radiating fins, the air circulation is accelerated through the running of the fan, theradiating efficiency can be effectively improved, the use security of the transformer is improved, a positioning pin can penetrate a positioning hole after being rotated, the mounting plate can be effectively fixed, the operation is simple and convenient, and the mounting efficiency is improved.

The invention discloses a water quality detection device based on water pressure feedback multi-layer single-point detection. The water quality detection device comprises a water pressure feedback self-adaptive depth single sampling mechanism, a rotary single-point detection mechanism, a cross contamination prevention and water immersion correction mechanism, a spiral resistance removal fixed control site power mechanism and a main operation self-control assembly. The invention belongs to the technical field of water quality detection devices, and particularly relates to a water quality detection device based on water pressure feedback multi-layer single-point detection. In order to solve the problem that cross contamination is easily generated among water samples at different depths in the sampling process, the water pressure feedback self-adaptive depth single sampling mechanism is arranged on the basis of dynamic characteristics and a feedback principle, and water pressure driving force in sinking sampling is applied, so that samples at different depths can be obtained through one-time sinking, and the sampling efficiency is improved. Through the cooperation of the rotary single-point detection mechanism and the cross contamination prevention immersion sample correction mechanism, single-point detection and placement and storage of samples are realized, and the main operation self-control assembly improves the practicability and operability of the water quality detection device.

The invention discloses a starry sky projection lamp. The starry sky projection lamp comprises a multi-color light source array, an optical path, a first diaphragm, a second diaphragm, a collimating lens and a reflector array which are sequentially arranged along optical path, and further comprises a support for installing the multi-color light source array, the first diaphragm and the second diaphragm, the multi-color light source array comprises at least two light sources which are arranged in a spaced mode and are different in color, the first diaphragm is provided with a first light passing hole which is in one-to-one correspondence with the light sources in the multi-color light source array and is smaller than the light-emitting surface of the corresponding light source, a second light passing hole corresponding to the first light through hole one to one is formed in the second diaphragm, and the minimum incidence angle of the light source projected to the first light passing hole corresponding to the adjacent light source is larger than half of the collection angle of the light ray of the second light passing hole corresponding to the first light passing hole. According to the starry sky projection lamp, the starry sky projection effect of multiple colors can be achieved, more projection requirements can be met, the size of the light spots can be reduced, more stars areprojected, stray light emitted from the first light passing hole is well shielded, and the starry projection effect is improved.

The invention relates to a porous air-suspending supporting system applied to full physical simulation. According to the air-suspending supporting system, a vacuum pre-load with volume reduction hills is adopted for being combined with a porous flow controller; and the porous air-suspending supporting system mainly comprises a vertical guide mechanism, an adjustable supporting transverse beam, a bearing sensor (17) and an air-suspending supporting mechanism (3), wherein the air-suspending supporting mechanism (3) is formed by an air-suspending supporting shell (23), air nozzles (19 and 20) and the porous flow controller (7). The air-suspending supporting shell (23) is formed by air-suspending pressure-sharing structures (7, 22, 24, 25 and 26), a negative pressure vacuum cavity (26) and the volume reduction hills (22). According to the porous air-suspending supporting system applied to full physical simulation, the anti-dumping force is increased so that the system can be more stable; and the system stability is further improved.

The invention discloses a two-gear variable-speed electric vehicle rear axle reducer assembly with an electromagnetic bidirectional clutch. The two-gear variable-speed electric vehicle rear axle reducer assembly with the electromagnetic bidirectional clutch comprises a reducer shell, the electromagnetic bidirectional clutch, a two-stage reduction high-low gear pair, a shift shaft assembly and a differential mechanism assembly, wherein the electromagnetic bidirectional clutch is arranged on one side of the top in the reducer shell, the electromagnetic bidirectional clutch is connected with the shift shaft assembly arranged on the other side of the top of the reducer shell, the shift shaft assembly is connected with a gear shifting mechanism, the electromagnetic bidirectional clutch is meshed with the two-stage reduction high-low gear pair arranged at the lower portion, and the two-stage reduction high-low gear pair is meshed with the differential mechanism assembly arranged at the bottom. According to the two-gear variable-speed electric vehicle rear axle reducer assembly with the electromagnetic bidirectional clutch, free shifting of high gear and low gear in the motion process is achieved, the cruising ability of an electric vehicle is improved, the operation is convenient, customers from different regions can drive on road surfaces of different conditions, gradeability and driving speed are achieved at the same time, driving mileage of the vehicle is also increased, and the application universality of the product is improved.

The invention discloses laser cladding powder feeding equipment and relates to the technical field of laser cladding, a carrier gas powder feeding mode is converted into a gravity powder feeding mode, the technical problem that flowing gas blows away powder on the surface of a workpiece in the carrier gas powder feeding mode is avoided, a mechanical arm does not need to bear a heavy powder feeder, and the powder feeding efficiency is improved. The phenomena that when the mechanical arm moves, the powder feeding pipe shakes, and consequently powder is unstable and deviates when the powder feeding nozzle discharges powder are avoided, and the cladding quality and efficiency are improved. The laser cladding powder feeding equipment comprises a powder supply unit, a separation unit and a powder feeding nozzle, wherein the powder supply unit is used for providing carrier gas powder. The separation unit communicates with the powder supply unit and is used for receiving the carrier gas powder and separating gas and powder of the carrier gas powder. And the powder feeding nozzle is communicated with the separating unit, is used for receiving the separated powder and gathering the powder on the surface of the workpiece, and is positioned below the separating unit.

The invention provides a refrigerator freezing chamber temperature regulation method, system and device, a storage medium and a refrigerator. The refrigerator freezing chamber temperature regulation method includes the steps that a freezing-to-refrigerating command for a freezing chamber of the refrigerator is received; operation of a compressor of the refrigerator is stopped; operation of a fluid circulating device in the corresponding freezing chamber according to the freezing-to-refrigerating command; a heating device in the freezing chamber is started, and whether the temperature value of the freezing chamber is increased to the standard temperature value of refrigeration or not is judged; and if it is known from judgment that the temperature value of the freezing chamber is increased to the standard temperature value of refrigeration, operation of the heating device is stopped, and the fluid circulating device in the freezing chamber is started. By means of the refrigerator freezing chamber temperature regulation method, system and device, the storage medium and the refrigerator, energy conservation between the freezing function and the refrigerating function of the freezing chamber of the refrigerator is achieved, temperature is effectively converted, the refrigerator freezing chamber temperature regulation method, system and device, the storage medium and the refrigerator can be used for direct-cooling refrigerators and air-cooling refrigerators, and the application universality of the refrigerator is improved.

The invention discloses a current signal simulator of a pump motor experiment. The current signal simulator comprises a signal source input end, a slip resistor, a circuit module and a signal output end, wherein the slip resistor is connected with the circuit module in parallel and is connected with the signal source input end and the signal output end in series to form circuit connection. The current signal simulator of the pump motor experiment has the advantages that input can be realized on the basis of 0-24 V high voltage, the output of a low current signal to the output end is realized by adjusting the resistance value of the slip resistor, standard 0-20 mA signal output can be still generated, and the voltage input requirements of different motor experiment conditions can be met. A 0-20 mA signal is a simulation bus technology, has strong antijamming capability, is convenient for wiring, cannot be influenced by different introduction distributed resistances with different wire lengths, and can be widely applied in the field of industrial automation chemical combination instruments. According to the invention, the range of input voltage of an experiment apparatus can be expanded, and the applicable universality of the experiment apparatus can be improved.

Embodiments of the present application provide a low-frequency magnetic field measurement method, device, electronic device, and storage medium. The method includes: applying a preset digital weighting processing method, and performing weighting processing on a time-domain signal of a target low-frequency magnetic field based on a target standard limit value , to obtain the corresponding digital time-domain waveform signal, in which the digital weighting processing method corresponds to the standard limits of multiple standards, and the target standard limit is one of the standard limits of multiple standards; for digital time-domain waveform signals Perform digital detection processing to obtain the corresponding digital detection voltage; calibrate the sampling result of the digital detection voltage to obtain the magnetic field amplitude of the target low-frequency magnetic field and / or the percentage of the magnetic field amplitude relative to the target standard limit. The present application can be applied to the weighted measurement of the standard limits of various standard versions, thereby effectively improving the applicability of the low-frequency magnetic field measurement, and ensuring the accuracy and reliability of the low-frequency magnetic field measurement.

The invention discloses a compressed garbage transfer station device which is convenient for adjusting the width of the bearing surface. A limit mechanism is installed on one side, and an auxiliary driving mechanism is installed on one side of the support mechanism. The invention drives the ejector rod to extend through the oil cylinder. Since the outer walls on both sides of the casing are conductive structures, the metal plate is pushed out of the inner cavity of the casing. , and the No. 2 slide rail is conductively connected with the No. 1 slide rail, and the rollers run along the No. 2 slide rail, so that the metal plate is located above the L-shaped bottom plate, thereby changing the width of the carrying device, and different types of garbage trucks can be parked. The wide applicability is improved, the vehicle passes the slope on the triangular block, which is convenient for the vehicle to drive to the load-bearing device, and the upper surface of the triangular block is integrally formed with anti-skid blocks, which can increase the friction with the vehicle tires, and further facilitate the vehicle to drive to the load-carrying device. on the device.

The invention discloses a box-type sampling and shearing strength testing device which is provided with an equipment support, a drive mechanism, a locating mechanism and a control mechanism. The equipment support is provided with a cavity for containing a box-type sampler to be tested. The locating mechanism is arranged on the upper surface of the equipment support. The drive mechanism is arranged on the locating mechanism and provided with a cross-shaped plate testing assembly which is arranged to be inserted into clay to be tested and measure the shearing strength of the clay. The control mechanism is provided with a control circuit and arranged to output a testing starting instruction to the drive mechanism and read a corner value and a corresponding torque value of the cross-shaped plate testing assembly in real time. The invention relates to but not limited to clay testing equipment. By means of the application of the testing device, the defects in the prior art can be effectively overcome, the shearing strength of the weak clay with high water content can be tested, and the precision of final test results can be effectively ensured.

The embodiment of the present application provides a transformer core side column shielding forming device and method, the device includes: a side plate, a top plate, a fixing frame, a side plate moving drive assembly and a top plate moving connector fixedly connected to the fixing frame respectively; The inner end surface of the plate is fixedly connected with the moving drive assembly of the side plate, and the shape of the outer end surface of the side plate is the same as the shape of the inner wall of the target edge of the transformer core side column shielding structure, so as to form the transformer iron core side column shielding structure The edge inner wall of the top plate; the inner end surface of the top plate is fixedly connected with the moving connector of the top plate, and the shape of the outer end surface of the top plate is the same as that of the target bottom inner wall of the transformer core side column shielding structure, so as to form the The bottom inner wall of the shielding structure of the transformer core side column. The application can realize the forming of shielding devices for side columns of transformer iron cores with different sizes and specifications, has strong pertinence, can effectively improve forming precision, and can effectively improve forming efficiency.

The invention discloses a staged fire extinguishing and rescue system and method for a high-altitude tunnel. The system includes a fine water mist fire extinguishing subsystem, an anti-sedimentation and smoke control subsystem, an anti-heat barrier effect and smoke suction and penetration subsystem, and a segmented oxygen supply subsystem. . The fine water mist fire extinguishing subsystem controls the fine water mist nozzle through the sensor controller, and sprays water mist according to the temperature; the anti-sedimentation smoke control subsystem adjusts the position of the main body of the jet fan through the lifting and sliding device to prevent the smoke from settling and spreading; the heat barrier effect and The smoke inhalation sub-system prevents inhalation by charging heated nitrogen gas at the smoke outlet where the smoke inhalation may occur, opens the vertical retaining wall, and adjusts the shutters to prevent the inhalation; Guarantee the oxygen supply and basic medical treatment for those who escaped to the cross passage. The invention can realize timely control of fire and smoke in case of fire in a high-altitude highway tunnel, and guarantee the basic survival and medical conditions of rescue personnel in the high-altitude tunnel.