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63results about How to "No impact" patented technology

A linear cross belt sorting machine

The present invention relates to the technical field of equipment in the logistics industry, and specifically to a linear cross-belt sorting machine, comprising a driving end mechanism, a driven end mechanism, and a driving chain connected between the driving end mechanism and the driven end mechanism, and also comprising a trolley driven by the driving chain and a tray belt conveyor for sorting installed on the trolley, wherein the driving end mechanism is provided with a driving disk, and the driven end mechanism is provided with a driven disk, the driving chain is wound around the driving disk and the driven disk to form a closed loop that runs back and forth, the left and right ends of the trolley are respectively provided with a left running wheel and a right running wheel, the driving end mechanism is provided with left and right driving end U-shaped guide grooves for respectively running and guiding the left and right running wheels, the driven end mechanism is provided with left and right driven end U-shaped guide grooves for respectively running and guiding the left and right running wheels, the driving disk and the driven disk are located between the left and right running wheels, and the operation is stable with low noise.
Owner:ZHEJIANG DAMON TECH CO LTD

Roller way conveying device with buffering structure

The utility model is suitable for the technical field of roller way conveying, and provides a roller way conveying device with a buffering structure. The conveying roller is rotationally arranged on the inner side wall of the fixing frame; the connecting shaft is integrally formed in the center of the outer side wall of the conveying roller; the turntable is fixed at one end of the connecting shaft through a screw; the fixed cover is fixed on the outer side wall, close to the outer side of the turntable, of the fixed frame through a bolt; the screw rod is screwed on the outer side wall of the fixed cover through a thread; the brake pad is rotationally arranged at one end of the screw rod; the hand wheel is welded at the other end of the screw rod; the conveying rollers are blocked from rotating by controlling extrusion force between the brake pads and the rotating discs, friction force between goods and the conveying rollers is converted into sliding friction from rotating friction, and the goods can be stopped step by step in the conveying process by setting rotating damping of the multiple conveying rollers to be gradually increased, so that collision is avoided.
Owner:JIUDU INTELLIGENT TECHNOLOGY (SHANGHAI) CO LTD

Water surface and underwater equipment laying and recycling method and device suitable for complex sea conditions

The invention relates to a water surface and underwater equipment laying and recycling device suitable for complex sea conditions. The water surface and underwater equipment laying and recycling device comprises a frame A and a swing stopping mechanism. The oscillation stopping mechanism comprises an oscillation stopping device and an anti-collision net mechanism; the oscillation stopping device comprises a swinging connecting rod, an oscillation stopping oil cylinder and a connecting circular ring; the upper end of the swinging connecting rod is hinged to the A frame body; the upper end of the anti-swing oil cylinder is connected with the swing connecting rod and the lower end is connected with the connecting ring; a group of steel cable launchers are arranged around the connecting ring, the steel cable launchers can release the steel cable through ejection, and the steel cable can be continuously released or recycled through a steel cable winch in the steel cable launchers; the lower end of a steel cable in the steel cable emitter is connected with a steel cable clamp, and the steel cable clamp is provided with an opening and closing mechanism and can grab and release a lifting lug on target equipment; the anti-collision net mechanism comprises two sets of supporting arms and an anti-collision net clamped by the far ends of the two sets of supporting arms, and the near ends of the two sets of supporting arms are hinged and fixed to the A frame base. The precision and success rate of equipment recovery can be improved.
Owner:SHANGHAI JIAOTONG UNIV

Heat shrink film packaging equipment

Heat shrink film packaging equipment comprises a packaging machine body and a conveyor, a cutting tool is arranged at an inlet of the packaging machine body and arranged on a first fixing plate, the first fixing plate is connected with a second fixing plate through an elastic assembly, a receding groove is formed in the second fixing plate, and heating blocks are arranged at the positions, located on the two sides of the receding groove, of the bottom of the second fixing plate correspondingly. The power air cylinder controls the first fixing plate to move in the vertical direction till the heating block heated by the external power source presses the end opening of the heat shrinkage film and heat sealing is completed, and the first fixing plate continues to move downwards so that the cutting tool can cut the heat shrinkage film through the receding groove. A conveying belt on the conveyor conveys the heat shrinkage film and the product to enter the packaging machine body through the adjusting mechanism to be heated, so that the heat shrinkage film is heated and shrunk, and heat shrinkage packaging is completed. The thermal shrinkage packaging device is used for completing thermal shrinkage packaging of products and adjusting the positions of the products so as to improve the packaging quality.
Owner:HEFEI HUIYUANTAI MATERIAL TECHNOLOGY CO LTD

Steam-electricity double-drive multi-shaft compressor unit connected through double clutches and control method of steam-electricity double-drive multi-shaft compressor unit

PendingCN121854441AMaximize direct utilizationavoid wastingPump componentsPump controlElectric machineDrive shaft
The invention relates to a multi-shaft compressor unit and a control method thereof, in particular to a steam-electricity double-drive multi-shaft compressor unit connected with double clutches and a control method of the steam-electricity double-drive multi-shaft compressor unit. The technical problems that in the prior art, a pure electricity mode, a pure steam mode and a steam-electricity double-drive mode cannot be switched on line, and when steam is sufficient, a motor cannot be disengaged, so that energy is wasted are solved. The system comprises a multi-shaft compressor, a steam turbine, a motor, a first clutch, a second clutch, a steam flow sensor, a controller and a rotating speed sensor. The multi-shaft compressor comprises a driving shaft; the driving shaft is provided with two driving ends which are respectively a first driving end and a second driving end; the output shaft of the steam turbine is coaxially connected with the first driving end through a first clutch; an output shaft of the motor is coaxially connected with the second driving end through the second clutch; and rotating speed sensors are arranged on the first driving end, the second driving end, the steam turbine and the output shaft of the motor.
Owner:XIAN SHAANGU POWER CO LTD

Crane

The invention relates to the technical field of operation machinery, and discloses a crane. The crane comprises a traveling driving system which comprises a driving motor and a traveling mechanism, and the driving motor is connected with the traveling mechanism; the fuel cell system comprises a cell stack, a hydrogen supply mechanism and an air supply mechanism, and the cell stack is connected with the hydrogen supply mechanism and the air supply mechanism; the operation system comprises a winch motor, a winch box, a rotation assembly, a rotation motor, an oil pump motor and an operation hydraulic assembly, the winch motor is connected with the winch box, the rotation motor is connected with the rotation assembly, and the oil pump motor is connected with the operation hydraulic assembly; and the control system is electrically connected with the traveling driving system, the fuel cell system and the operation system. The fuel cell system serves as a power source to provide power for the crane, water and heat are mainly generated in the operation process of a fuel cell, harmful tail gas emission is avoided, fuel can be rapidly supplemented through a hydrogen refueling station, and zero emission, high efficiency and high energy supplementing speed are achieved.
Owner:SANY AUTOMOBILE HOISTING MACHINERY

Vehicle starting control method and device, vehicle and storage medium

The invention provides a vehicle starting control method and device, a vehicle and a storage medium, and relates to the technical field of vehicle control. The method comprises the steps that when a vehicle is in a static state, state information of the vehicle is obtained in real time; according to the state information, whether a preset starting triggering condition is met or not is determined; if yes, starting information sent by an intelligent driving assistance system in the vehicle is obtained in real time; determining a resistance value of the road surface where the vehicle is; dynamically determining target brake pressure according to the starting information and the resistance value; and controlling the vehicle to execute starting operation according to the target brake pressure. According to the scheme, the target brake pressure is dynamically determined according to the target acceleration at different stages in the starting process and the resistance value of the road surface where the target brake pressure is located, so that the target brake pressure can be adjusted in time along with the change of the target acceleration, the whole starting process is free of vehicle sliding and impact, the situation that the vehicle slides backwards is avoided, and the starting efficiency is improved. And the stability of the vehicle is improved.
Owner:SHANGHAI NASN AUTOMOTIVE ELECTRONICS CO LTD

Self-cleaning type conveying and discharging structure

The invention relates to the technical field of conveying, in particular to a self-cleaning type conveying and discharging structure which comprises two conveying frames, a conveying and discharging assembly is arranged between the two conveying frames, and the conveying and discharging assembly comprises two chains distributed front and back. A plurality of connecting pieces distributed at equal intervals are fixedly installed on the side faces, close to each other, of the two chains, and the connecting pieces are fixedly installed on chain links of the chains through bolts. In the discharging and transporting process, the upper clamping arm, the lower clamping arm and the two clamping heads are folded towards the middle together, the front edge sealing position and the rear edge sealing position of the water reducing agent packaging bag located on the top of the supporting strip are clamped, the water reducing agent packaging bag cannot roll over in the process of being conveyed along the top of the supporting strip, and the discharging safety is further guaranteed; and meanwhile, it can be guaranteed that the moving speed of the water reducing agent packaging bag is the same as that of the supporting strip, that is, the water reducing agent packaging bag cannot slide along the inclined face of the obliquely-arranged discharging structure, and the situation that the water reducing agent packaging bag directly slides down and is collided to be opened is avoided.
Owner:SHANDONG GUOQIAO BUILDING MATERIALS TECHNOLOGY CO LTD

Semiconductor flat-plate bin automatic insertion structure

The application discloses a semiconductor flat-plate warehouse inserting and taking structure, which comprises an inserting and taking connecting frame, an inserting and taking arm and a self-adapting locking mechanism arranged on the inserting and taking arm. The self-adapting locking mechanism mainly comprises a straight-line transmission rod, a scissor type lifting amplification mechanism, a limiting pressing plate and a guiding reset unit. The core of the application is that the self-weight load generated during the inserting and taking of the flat-plate warehouse is used as a driving force. When the inserting and taking arm supports the flat-plate warehouse, the weight presses the straight-line transmission rod, forces the scissor type lifting mechanism to expand and drives the limiting pressing plate to stably move downwards, so that the positioning pin on the limiting pressing plate is inserted into the pin hole of the flat-plate warehouse, automatic locking and positioning are realized. After unloading, the mechanism is automatically reset under the action of the reset spring. The application does not need external power, realizes "inserting and taking to locking", can effectively inhibit the inertial swing and vibration during the carrying process, prevents the wafers in the warehouse from being damaged due to knocking and has the advantages of simple structure, reliability, safety and high positioning precision.
Owner:WEISHI ADVANCED INTELLIGENT TECH (SUZHOU) CO LTD

A high-strength insulation board bending resistance performance detection device

ActiveCN224416621Uprevent stacking from tippingGuarantee stabilityHydraulic cylinderControl engineering
The utility model relates to the technical field of insulation board processing, especially to a high -strength insulation board anti -bending performance detection device, including frame, be provided with processing mechanism on the frame and be used for insulation board processing, processing mechanism includes: take and put subassembly, set up on the frame and be used for insulation board taking and placing, feed assembly, including the right table board of fixed right end on the top of frame, the right end inside the frame is equipped with first hydraulic cylinder, and the output of first hydraulic cylinder is fixed with base plate, and the top of four corners of base plate is all fixed with guide rod, and guide rod and right table board penetrate through sliding installation, and the top between four corners's guide rod is fixed with the supporting plate, detection component sets up on the frame and is used for insulation board bending degree detection, through the hydraulic drive four -corner guide rod realizes the steady feed of insulation board, and the cylinder controls detection component intelligent avoidance, and hydraulic loading cooperates sensor accurate measurement anti -bending performance, realizes the full -process automation from feed, taking and placing to detection, ensures the test accuracy and operation efficiency.
Owner:HEBEI ZEKAI ENERGY SAVING TECH CO LTD

Hybrid magnetic circuit and intelligent flux distribution current transformer energy harvesting device and method

PendingCN122092530AHigh energy extraction sensitivityStrong resistance to large currentCircuit arrangementsSoftware engineeringInstrument transformer
This application provides a hybrid magnetic circuit and intelligent flux distribution current transformer energy harvesting device and method to solve the problems of low sensitivity for small current energy harvesting and weak resistance to large current saturation in current transformer energy harvesting devices. The device includes a hybrid magnetic circuit unit, a magnetic state detection unit, and an intelligent flux distribution unit. The hybrid magnetic circuit unit includes a first magnetic circuit and a second magnetic circuit connected in parallel and magnetically coupled. An energy harvesting winding and an auxiliary control winding are wound on the first and second magnetic circuits, respectively. The magnetic state detection unit monitors the magnetization state of the first magnetic circuit, and the intelligent flux distribution unit injects controllable current into the auxiliary control winding to adjust the flux ratio flowing through the first and second magnetic circuits. By constructing a parallel hybrid magnetic circuit and implementing active flux distribution, this application ensures that the first magnetic circuit operates in the ideal linear region under any transmission conductor current, thereby simultaneously achieving ultra-high sensitivity for small current energy harvesting and extremely strong resistance to large current saturation.
Owner:CHONGQING UNIV

Segmented serial spring shock absorber and processing equipment

The invention discloses a segmented series spring shock absorber and machining equipment, and belongs to the technical field of vehicle shock absorption. The shock absorber comprises a gas spring, a heavy-load spring, a light-load spring and a retainer, wherein the retainer is arranged between the light-load spring and the heavy-load spring; a load energy release device and a temperature adaptation assembly are further arranged on the retainer, and the load energy release device comprises a bearing disc, an annular storage cavity and an energy release pad and is used for absorbing beat vibration energy; the temperature adaptation assembly comprises a ventilation hole and a friction pad, heat generated by the friction pad can be transmitted to the energy release pad, and low-temperature compensation and high-temperature heat dissipation are achieved. The invention further provides milling equipment for machining the clamping-in groove and the wedge-shaped groove, precise machining of the wedge-shaped groove is achieved through the eccentric milling principle, and the pressure relieving assembly ensures that a cutter stably stretches out through buffering of non-Newtonian fluid. The problems of response accuracy, retainer stability, beating vibration durability and temperature adaptability of the shock absorber under different load working conditions are effectively solved.
Owner:ZHEJIANG TAOTAO VEHICLES CO LTD

All-attitude five-axis turning and milling combined machine tool matched with non-orthogonal main shaft

PendingCN121946210ASolving tool interferenceSolve the problem of processabilityOther manufacturing equipments/toolsLarge fixed membersNumerical controlMachine
The invention discloses an all-attitude five-axis turning and milling combined machine tool matched with a non-orthogonal main shaft, and belongs to the technical field of high-end numerical control machine tools. According to the technical scheme, the turning and milling machine comprises a machine body and a turning and milling workbench arranged on the machine body, and a sliding seat is movably arranged on the machine body; the X-axis transmission system is arranged on the lathe bed, is in driving connection with the sliding seat and is used for driving the sliding seat to move in the X-axis direction; the Z-axis transmission system is arranged on the sliding seat; the spindle box is in driving connection with the Z-axis transmission system and used for moving in the Z-axis direction. And the turning and milling main shaft is rotatably connected to the main shaft box. The invention has the following beneficial effects: through the combined design of a series of technical characteristics of the 45-degree non-orthogonal main shaft and the-30-180-degree all-attitude adjusting structure thereof, the long-standing technical problems of limited machining range, insufficient angle adjusting precision, low multi-process circulation efficiency and the like of the traditional orthogonal main shaft machine tool are solved; and the machining flexibility, the positioning precision, the whole machine rigidity and the process adaptability are all substantially improved.
Owner:YUNNAN TAIBIAO NUMERICAL CONTROL MACHINE CO LTD

A steel sheet positioning and feeding device

The utility model relates to mobile phone middle frame production technical field, concretely relates to a kind of steel sheet positioning feeding device, including base, positioning connecting mechanism being set on base, positioning mechanism being set on positioning connecting mechanism, lifting mechanism being set on base, material taking mechanism being set on lifting mechanism;Material taking mechanism includes support, pivot connected with support, material taking frame connected with pivot, a plurality of material taking assemblies are set on material taking frame, and motor;Material taking assembly includes first material taking seat, second material taking seat of movement connection in the side of first material taking seat, material taking piece is set on second material taking seat, and there is a elastic member between first material taking seat and second material taking seat.The utility model can be positioned to steel sheet and sent to mobile phone middle frame predetermined position and steel sheet is pressed tightly, ensure that steel sheet does not appear deviation, the elastic member of material taking assembly makes steel sheet keep stable from picking to adhere to the process of mobile phone middle frame, without impact, avoid the damage of steel sheet and mobile phone middle frame.
Owner:SHENZHEN JIALIAN LASER CO LTD

Multi-layer combined wind collection vertical wind power generation system and power generation method

InactiveCN119554183AIncrease continuous torqueincrease generating capacityWind motor supports/mountsWind motor combinationsControl setAir volume
The invention provides a multi-layer combined wind collection vertical wind power generation system, a wind power system comprises a multi-layer wind power machine which is detachably mounted, a wind collection protection system is slidably mounted on a wind collection plate slideway outside a fan frame body, and a wind collection and refraction channel is formed between the wind collection protection system and a fan blade assembly; the fan blade assembly is installed on the wind turbine shaft at an angle, and the fan blade assembly and the wind turbine shaft are installed in the fan frame. The generator set comprises a protection frame body, one or more sets of speed increasers, a generator set body and an intelligent controller, wherein the speed increasers and the generator set body are arranged in the protection frame body. The intelligent controller controls the opening and closing angle of the wind collection protection system and the output voltage and grid connection of the wind turbine generator set, so that the air supply amount of the wind power machine is adjusted, and then the wind flow is controlled to be refracted to the fan blade assembly to generate rotation driving torque under the action of the wind collection and refraction channel; the fan blade assembly is pushed to horizontally rotate along the wind motor shaft, and then the transmission assembly is driven to drive the speed increaser and the generator to operate for power generation.
Owner:SHANGHAI GUANG JI ELECTRIC

A medical injection mold that is easy to demould

ActiveCN118721617Bno impactSmooth lifting movementInjection mouldingMold removal
The present invention relates to the technical field of medical injection molds, and in particular to a medical injection mold that is easy to demold, comprising a working frame, a fixed column and a discharge plate, a fixed column is fixedly installed on the top of the working frame at the center of one side of a lower mold base by bolts, a fixed cylinder is movably connected to the outer periphery of the fixed column, one side of the fixed cylinder is connected to an upper mold base that matches the lower mold base through a conical block, a heat sink for cooling and blowing air to the injection molded product is fixedly installed at the top of one end of the lower mold base by bolts, and a cleaning seat for cleaning and blowing air to the inside of the lower mold base is installed at both ends of one side of the top of the heat sink through connecting rods. The present invention drives the movable disk to move up and down in the fixed column through the fixed cylinder, and the gas is compressed through the cleaning nozzles and the heat sink nozzles on the cleaning seat and the heat sink, so as to clean the impurities remaining after the lower mold base is demolded and dissipate the heat of the product, thereby improving the quality of the product, having a simple structure, and realizing the linkage of cleaning and heat dissipation.
Owner:NANTONG BAIMAI MEDICAL TECH CO LTD

Phase compensation method for secondary channel of adaptive narrowband active filter based on delay

ActiveCN114938219Bno impactreduce complexityAnalogue and digital adaptive filtersActive power filteringSignal onCurrent sensor
The invention discloses a phase compensation method for a secondary channel of an adaptive narrowband active filter based on delay, the method comprising the following steps: disconnecting an interference source simulation device and a simulated power grid load, generating a sine wave with a known phase in an FPGA; injecting the sine wave into a load resistor through an injection point as a modulation wave signal of a switch tube; using an interference current sensor to collect the interference current signal on the load side; filtering and amplifying the collected interference current signal through a preamplifier, and then sending it to the FPGA; opening a logic analyzer in the FPGA, comparing the generated sine wave signal with the signal obtained by preamplification, and obtaining the phase deviation of the frequency point; delaying the error signal by a method of fixing the delay of a register, and compensating the phase of the offset signal and the interference signal deviation. The invention has no impact on the power grid, is easy to operate and implement, and can realize the interference current suppression function of the adaptive narrowband active power filter for any frequency point within 1kHz to 20kHz.
Owner:CHINA SHIP DEV & DESIGN CENT

Speed reducer

The invention relates to the field of mechanical transmission devices, in particular to a speed reducer. The gearbox comprises a first box body and a second box body which are matched with each other, an input shaft, a first-stage planetary transmission assembly, a second-stage planetary transmission assembly and an output shaft are sequentially arranged in the gearbox from top to bottom, all the parts are sequentially in transmission connection, and efficient transmission is achieved through a plurality of planet wheels and teeth on the inner walls of the box bodies. According to the speed reducer, by optimizing the design of a transmission structure, the transmission efficiency and the bearing capacity are improved, meanwhile, noise and vibration are reduced, and the speed reducer is suitable for various kinds of high-precision and high-performance mechanical equipment.
Owner:HANGZHOU XIN TECH CO LTD

Supporting platform leveling control method, device and equipment and computer readable medium

The invention discloses a supporting platform leveling control method, device and equipment and a computer readable medium. The method comprises the following steps: calculating the position adjustment amount of each supporting leg for leveling the supporting platform by utilizing a D-H coordinate method; trajectory planning is conducted on the position adjustment amount of each supporting leg according to a smooth and symmetrical speed curve, and the expected position trajectory of each supporting leg is obtained; calculating a position tracking error of each supporting leg according to the expected position track of each supporting leg, and calculating an adjacent cross coupling error of each supporting leg according to the position tracking error; and calculating the position compensation amount of each supporting leg according to the position tracking error, and calculating the synchronous compensation amount of each supporting leg according to the adjacent cross coupling error. According to the leveling control method of the supporting platform, the adjacent cross coupling synchronous control principle is adopted, the virtual leg problem can be solved, the leveling efficiency is high, the anti-interference performance is high, and meanwhile the leveling process has the advantages of being stable and smooth, free of impact and high in precision.
Owner:NANJING CHENGUANG GRP

Soft package roller shutter package falling mechanism and multi-layer positioning packaging machine

The invention provides a soft package roller shutter package falling mechanism and a multi-layer positioning packaging machine, and belongs to the technical field of packaging machinery. Comprising a feeding belt, the output end of the feeding belt is connected with a roller shutter type bag falling mechanism, the roller shutter type bag falling mechanism adopts a roller shutter ball structure to achieve opening and closing of a material bag falling opening, and a stepping type falling mechanism used for supporting a packaging paperboard is arranged under the material bag falling opening of the roller shutter type bag falling mechanism in a right opposite mode. A roller shutter ball structure is adopted for controlling opening and closing of a material bag falling opening of the bag falling mechanism, the purposes of multi-layer positioning, uniform and impact-free bag falling, stable packaging box falling and smooth reciprocating circulation operation are achieved, and the packaging box is suitable for flexible packaging products with multiple layers and multiple bags in each layer in one packaging box during carton packaging; the defects that original equipment is large in bag falling vibration and noise and possibly scratches a container to be packaged are overcome; the problems that boxing and bag falling efficiency is low, and production line efficiency is low are solved.
Owner:BAOJI NUOBO TAIKE INTELLIGENT PACKAGING EQUIP CO LTD

Speed simulation device for calibrating speed test module

The utility model discloses a speed simulation device for calibration of a speed test module, and relates to the technical field of photoelectric measurement. The rotary driving part is assembled at the top end of the mounting bracket; the rotation simulation part is assembled on an output shaft of the rotation driving part, the rotation driving part drives the rotation simulation part to rotate, and the instantaneous speed of train equipment monitored by pantograph dynamic monitoring equipment when the train equipment passes is simulated; the adjusting guide rail is assembled on the mounting bracket; and the measuring piece is assembled on the adjusting guide rail in a sliding manner and is used for measuring the number of times and interval time when the rotating simulation piece passes through in a rotating manner with different distance measuring radiuses. The rotation driving part drives the rotation simulation part to rotate, the instantaneous speed monitored by the pantograph dynamic monitoring equipment when train equipment passes is simulated, and compared with the speed change simulated by a horizontal movement mechanism, the motion range of the device is not limited, large impact cannot be generated, the target operation speed is constant, and the simulation calculation speed is more accurate.
Owner:CHINA ACADEMY OF RAILWAY SCI CORP LTD +2

High-value equipment damping system and method

The invention discloses a high-value equipment damping system and method, and relates to the technical field of damping systems.The high-value equipment damping system comprises a plurality of shells, the bottoms of the shells are slidably connected with adjusting threaded rods, the bottom ends of the adjusting threaded rods are rotatably connected with suction cups, and the positions, close to the bottoms of the shells, of one ends of the adjusting threaded rods are in threaded connection with adjusting nuts; two first sliding rails are fixedly connected to the inner wall of the top of the shell, and a first sliding plate is slidably connected to one side of each first sliding rail. According to the high-value equipment damping system and method, the second threaded rod and the first threaded rod are different in thread pitch, the thread pitch of the second threaded rod is large, the thread pitch of the first threaded rod is small, the first threaded rod can finely adjust the height of one corner of the mounting plate, and the height of one corner of the mounting plate is roughly adjusted through the second threaded rod; and the effect of adjusting the levelness of the damping system on the common ground is achieved.
Owner:ZHENHENG TECH CO LTD

A structure and treatment method for removing existing anchor cables intruding into station foundation pit

The present invention discloses a structure and processing method for cutting off existing anchor cables that have invaded the scope of a station foundation pit. The plane movement and lifting movement of the clamp are realized by a hydraulic lifter and a mobile steel frame, so that the clamp can find the anchor cable position through mechanical movement and realize the clamping effect on the anchor cable, without the need for a crane or manual positioning and clamping; in addition, the anchor cables in the same slot section can be found and clamped one by one through movement, so that the anchor cables in the same slot section can be continuously cut, which greatly speeds up the cutting construction process and improves the cutting efficiency. There is no need for frequent disassembly and assembly, and there is no need to install multiple clamps. It is very clever and saves equipment costs. The diamond wire saw cuts the anchor cable in a way that the diamond wire saw moves at high speed around the cutting surface of the anchor cable under the drive of a hydraulic motor to grind the anchor cable to complete the cutting work. Since diamond particles are used as grinding materials, hard objects such as anchor cables can be cut.
Owner:CHINA RAILWAY TENTH BUREAU GROUP URBAN RAIL TRANSIT ENGINEERING CO LTD +1

Electric vehicle driving assembly integrated with ball screw wet brake

The invention discloses an electric vehicle driving assembly integrated with a ball screw wet brake. The device mainly comprises a driving motor, a speed reducer, a differential mechanism, a left half shaft, a right half shaft, a wet brake friction pair, a ball screw brake actuating mechanism and the like. Power output by the driving motor is transmitted to the differential mechanism for distribution after being decelerated and increased in torque through the speed reducer, and is output to wheel ends through the left and right half shafts. The wet-type brake friction pair is located in the half shaft shell, the wet-type brake disc is connected with the half shaft through a sliding spline, the wet-type brake pressing piece and the steel sheet are connected with the half shaft shell through the sliding spline, and the brake disc is arranged between the pressing piece and the steel sheet. The wet-type braking friction pair is pressed through the acting force between the ball screw braking actuating mechanism arranged in the half shaft shell and the half shaft shell, and then the electronic mechanical braking torque is generated. The electric vehicle driving system can realize six working modes of driving, motor regenerative braking, electromechanical friction braking, electromechanical composite braking, reversing, parking braking and the like.
Owner:JILIN UNIVERSITY

Composite conductive particle emitting device for wood fiber micro-nano crushing

ActiveCN119489492ANo need to consider adhering to the wallavoid complexityWood working apparatusGrain treatmentsFiberSolenoid valve
The invention provides a wood fiber micro-nano fragmentation combined type conductive particle emission device, which comprises an air supply system, an emission control device, a recovery control device, an emission valve and a recovery valve, and is characterized in that the air supply system comprises an air storage device, a secondary pressure reducing valve and a two-position five-way single control solenoid valve; the pressure needed by opening and closing of the launching valve and the recovery valve is adjusted and controlled through the second-stage pressure reducing valve, it is guaranteed that the pressure provided by the gas storage device is kept at a constant value, meanwhile, a valve opening of the launching valve and the launching cavity are located at the coaxial position during launching every time, and therefore the stability of the launching speed every time is guaranteed. The emission and recovery control device is realized in an energy conversion manner, and the energy relationship in the emission and recovery device is changed through different power-on states of an emission magnet, so that the particles are emitted into the crushing cavity, or the particles are recovered from the crushing cavity through attraction generated by the emission magnet; the size of the energizing current is changed to adapt to the conditions of conductive particles with different particle sizes and emission cavities with different lengths.
Owner:QINGDAO UNIV

A creep-resistant hot knife fuse unlocking device

ActiveCN117068391Blow resource requirementsSafe and reliable ground testingCosmonautic vehiclesCosmonautic partsClassical mechanicsHeater Rod
This invention discloses a creep-resistant hot-blade fusion-type unlocking device, comprising: a heating rod assembly, an unlocking sleeve assembly, a hook assembly, and a rope knot collar; wherein, the upper end of the unlocking sleeve assembly is mounted on the hook assembly, and the lower end is connected to the heating rod assembly via the rope knot collar. This invention aims to solve the problem of existing hot-blade unlocking devices having poor adaptability to the creep properties of the fusion-type rope.
Owner:SHANGHAI AEROSPACE SYST ENG INST

A high-energy-efficiency intelligent hybrid distribution area power distribution terminal voltage management device

The application relates to the technical field of power distribution equipment, and discloses a high-energy-efficiency intelligent hybrid type terminal voltage management device for distribution areas, which comprises a current and voltage sampling module, an intelligent voltage regulating controller module, a voltage regulating transformer module and an intelligent capacitor bank connected to a terminal line of a distribution area; further comprises an environment regulation unit, a safety protection unit, a seamless bypass unit and an Internet of Things remote control device; the current and voltage sampling module is used for collecting electrical parameters of the distribution line, and the intelligent voltage regulating controller module is used for overall planning and control of the voltage regulating transformer module and the intelligent capacitor; the terminal voltage regulation and dynamic reactive power compensation are realized; the device is combined with hierarchical temperature control, low-temperature anti-freezing, multi-stage safety protection and Internet of Things remote control; the device has local man-machine interaction and fault bypass switching functions, is reliable in operation, high in integration, strong in intelligence and wide in adaptability, and is suitable for terminal voltage management and power quality optimization of various urban and rural low-voltage distribution areas.
Owner:XINXIANG WANXIN ELECTRIC CO LTD