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36results about How to "Reduce mechanical connections" patented technology
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Power direct bone conduction hearing aid system
ActiveUS8005247B2Reduce mechanical connectionsCord to the vibrator can be kept quite shortBone conduction transducer hearing devicesImplantable hearing aidsEngineeringSkull bone
The hearing aid system has a sound-to-vibration conversion circuitry including a microphone system, an electronic amplifier and a vibrator. A housing accommodates the vibrator. The vibrator is connected to an abutment that goes through the skin. The abutment is connected to a fixture that is anchored in the skull bone. The sound-to-vibration conversion circuitry has an A / D converter that converts an analogue microphone signal into a digital signal.
Owner:OTICON MEDICAL
Power direct bone conduction hearing aid system
ActiveUS20100208924A1Long cordReduce gainBone conduction transducer hearing devicesImplantable hearing aidsAudio power amplifierEngineering
The hearing aid system (102) has a sound-to-vibration conversion circuitry including a microphone system (108), an electronic amplifier (114) and a vibrator (120). A housing (121) accommodates the vibrator (120). The vibrator (120) is connected to an abutment (124) that goes through the skin. The abutment (124) is connected to a fixture (126) that is anchored in the skull bone (128). The sound-to-vibration conversion circuitry has an AfD converter (212) that converts an analogue microphone signal into a digital signal.
Owner:OTICON MEDICAL
Four-wheel steering system and control method thereof
ActiveCN103569197AOptimize layoutSmall footprintSteering linkagesAutomatic steering controlVehicle frameSteering wheel
The invention discloses a four-wheel steering system which comprises an electronic control unit and an executing unit. The electronic control unit comprises a controller ECU and a steering wheel rotation angle sensor, wherein the steering wheel rotation angle sensor is installed on a steering shaft of a steering wheel and is used for transmitting a steering signal to the controller ECU. The executing unit comprises steering transmission mechanisms, a steering motor and a double-arm track rod, wherein the steering transmission mechanisms are arranged on wheels, the steering motor is fixed on a vehicle body or a vehicle frame, an output shaft of the steering motor is provided with a driving gear which is meshed with a driven gear of the steering transmission mechanisms, the top end of a driven gear shaft is fixed on the vehicle body or the vehicle frame through rolling bearings, and the bottom end of the driven gear shaft is connected with the double-arm track rod which is connected with the wheels through a knuckle. The controller ECU outputs the steering signal to the steering motor. The steering system is an electronic control four-wheel steering system which is convenient to arrange and small in occupied space and is mainly composed of the motor and the like.
Owner:ANHUI POLYTECHNIC UNIV
Line control braking system and vehicle
PendingCN109552287AReduce mechanical connectionsSimple structureBraking action transmissionHydraulic control unitHydraulic brake
The present disclosure provides a line control braking system and a vehicle. The line control braking system includes a pedal signal collector, a controller, a hydraulic system, a hydraulic control unit, two electric brakes, and two hydraulic brakes, wherein the electric brakes are front wheel brakes and the hydraulic brakes are rear wheel brakes, or the electric brakes are rear wheel brakes and the hydraulic brakes are front wheel brakes; the controller is configured to control the electric brakes according to a pedal signal collected by the pedal signal collector; and the hydraulic control unit is configured to control the hydraulic pressure provided by the hydraulic system for the hydraulic brakes according to the pedal signal. The line control braking system is simple in structure andis suitable for being arranged on the vehicle.
Owner:BYD CO LTD
Control method and device of composite braking system and electric vehicle
The invention provides a control method and device of a composite braking system and an electric vehicle. The composite braking system comprises an electromechanical braking system and a regenerativebraking system, the electromechanical braking system is used for forming basic braking torque, the regenerative braking system is used for forming regenerative braking torque, and the control method comprises the steps that a braking signal is obtained, and the required braking torque is calculated according to the braking signal; judging whether an anti-lock braking system is triggered or not; ifyes, distributing a basic braking torque and a regenerative braking torque according to the required braking torque and the anti-lock braking working condition; and controlling the electromechanicalbraking system to form a basic braking torque, and controlling the regenerative braking system to form a regenerative braking torque. According to the method, the cooperative braking function of the regenerative braking system and the electromechanical braking system can be provided for the electric vehicle, the regenerative braking system is fully utilized to recover energy within the full working condition range of the electric vehicle, and the endurance mileage of the electric vehicle is increased.
Owner:BYD CO LTD
Servo control method, apparatus and system
ActiveCN102799194AReduce mechanical connectionsReduce wearControl using feedbackEngineeringControl theory
An embodiment of the invention provides a servo control method, a servo control apparatus and a servo control system for controlling the position of a piston in a pneumatic executive component, wherein the servo control method comprises the following steps of: acquiring a position feedback signal through a non-contact displacement sensor outside the pneumatic executive component, and obtaining the position of the piston; comparing the value of the position feedback signal with a preset value to obtain a signal comparison result; and controlling the movement of the piston through controlling the valve which is connected with the pneumatic executive component according to the signal comparison result. Due to the adoption of the non-contact displacement sensor in the invention, the precise control to the position of the piston is realized, and the problems, such as loss caused by the manner that a contact sensor is connected with a piston rod to detect the position of the piston so as to control the movement of the piston, are conquered.
Owner:SMC CHINA
Power integrated structure of driving motor and transmission of electric automobile
InactiveCN102152738AAxial size is smallReduce mechanical connectionsControl devicesElectric machineryDrive motor
The invention provides a power integrated structure of a driving motor and a transmission of an electric automobile, which comprises the driving motor and the transmission; the driving motor is installed in a motor water jacket; the rear end of the motor water jacket is provided with a rear end cover of the motor; the front end of the motor water jacket is integrally cast into a shared shell for the driving motor and the transmission; a motor power output shaft of the driving motor goes forward to pass through a bearing hole of the shared shell of the driving motor and the transmission, is stretched into the shared shell of the driving motor and the transmission, and is supported by a gear bearing installed in the bearing hole; and a transmission gear of the transmission is assembled at the output end of the motor power output shaft. Due to the adoption of the invention, the front end cover of the motor and the shell of the transmission are designed as a whole, thus the requirement of installation in a limited space can be met and the use reliability of the power integrated structure is guaranteed.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD +1
Seed cotton deslagging electric screen
InactiveCN103334182AReduce mechanical connectionsWork reliablyFibre cleaning/opening machinesPower controllerElectricity
The invention provides a seed cotton deslagging electric screen which comprises a frame body and a screen mesh arranged on the frame body, wherein the frame body is horizontally arranged in an impurity box body with an opening formed in the upper end; the frame body is hinged to the impurity box body through at least three elastic connecting pieces; at least two permanent magnets are uniformly distributed on the periphery of the frame body; electromagnets suitable to the permanent magnets are arranged on the inner wall of the impurity box body; each electromagnet is electrically connected with a power controller independently. According to the seed cotton deslagging electric screen, a driving force used for driving the frame body comes from the action of a magnetic field; the mechanical connection is reduced, so that the whole device works reliably and stably.
Owner:吴江冠亚丝绸化纤有限公司
Control method and device of composite braking system, and electric automobile
PendingCN111251898AImprove battery lifeImprove stabilitySpeed controllerElectrodynamic brake systemsBrake torqueRegenerative brake
The invention provides a control method and device of a composite braking system, and an electric vehicle. The composite braking system comprises an electromechanical braking system and a regenerativebraking system, the electromechanical braking system is used for forming basic braking torque, and the regenerative braking system is used for forming regenerative braking torque. The control methodcomprises the following steps: obtaining a braking signal, and calculating the required braking torque according to the braking signal; distributing the basic braking torque and the regenerative braking torque according to the required braking torque and the current working condition; and controlling the electromechanical braking system to form the basic braking torque, and controlling the regenerative braking system to form the regenerative braking torque. The system can fully utilize the regenerative braking system to recover energy within the full working condition range of the electric automobile, and the endurance mileage of the electric automobile is increased.
Owner:BYD CO LTD
Direct-drive hub motor of wheelchair
PendingCN110365141AImprove balanceReduce mechanical connectionsMagnetic circuit rotating partsMechanical energy handlingMotor shaftStator
The invention relates to a direct-drive hub motor of a wheelchair. The direct-drive hub motor of the wheelchair comprises a hub, a rotor core, magnetic steel, a supporting seat, a stator, a motor shaft, a stator plate, a rotor plate, a friction plate, a spring, an unlocking handle, a transmission rod and a magnetic brake seat. The stator is connected with the motor shaft to form a stator component; a rotor component consisting of the hub, the rotor core, the magnetic steel and a supporting seat wheel is rotatably supported on the motor shaft, wherein the rotor core is fixedly connected in therotor groove; the stator plate is connected with the magnetic brake seat with an interval L, the friction plate and the rotor plate are axially and movably arranged in the interval, the sum of the thicknesses of the friction plate and the rotor plate is smaller than L, and the spring is arranged between the rotor plate and the magnetic brake seat; the unlocking handle sleeves the motor shaft and is circumferentially distributed with a plurality of lugs, the lugs are provided with arc slotted holes, the upper ends of the arc slotted holes are provided with spiral surfaces, the transmission rodpenetrates the arc slotted holes and one end of the magnetic brake seat to be connected with the rotor plate, and one end of the transmission rod is connected with the unlocking handle. The direct-drive hub motor of a wheelchair has good dynamic balance and braking response, and the brake state can be manually released in a power-off state.
Owner:NANJING KANGNI SMART TECH CO LTD
Numerical control electrical machine
InactiveCN101201630APrecise positioningReduce mechanical connectionsPosition/direction controlOpto electronicElectric energy
The invention provides a numerical control motor which comprises a photoelectric inductive module, a magnetoelectric inductive module and a processor; the photoelectric inductive module, the magnetoelectric inductive module and the processor are connected with the motor; the photoelectric inductive module and the magnetoelectric inductive module are mechanically connected with the motor; the signal lines of the photoelectric inductive module and the magnetoelectric inductive module are connected with the processor; the processor is also connected with an emergency power supply; the photoelectric inductive module and the magnetoelectric inductive module match each other so as to monitor the rotation of the motor. The invention has the advantages of accurate positioning of the motor, no upper limit in the limitation range, less mechanical connection, smaller abrasion, less power loss in the static state of the motor, continuous monitoring after the power is cut; thus the invention is suitable for wide promotion.
Owner:上海金政科技股份有限公司
Gas pressure reducing valve and 3D printing manufacturing method thereof
ActiveCN112197026ASmall sizeHigh strengthAdditive manufacturing apparatusContainer filling methodsEngineeringPhysics
The invention relates to the technical field of pressure reducing valves, and provides a gas pressure reducing valve and a 3D printing manufacturing method thereof. The gas pressure reducing valve isof a 3D printing integrated structure and comprises a valve body, at least one stage of gas flow channel is formed in the valve body, and the gas flow channel is of a spiral structure; and the diameter of the gas flow channel is gradually increased from the first end of the gas flow channel to the second end of the gas flow channel. The gas pressure reducing valve and the internal gas flow channelare designed to be of an integrally-formed structure, so that the overall strength is improved to the maximum extent, higher atmospheric pressure can be borne, and mechanical connection is greatly reduced.
Owner:沈阳中钛装备制造有限公司
Four-wheel steering system and control method thereof
ActiveCN103569197BConducive to general layout designReduce mechanical connectionsSteering linkagesAutomatic steering controlVehicle frameSteering wheel
The invention discloses a four-wheel steering system which comprises an electronic control unit and an executing unit. The electronic control unit comprises a controller ECU and a steering wheel rotation angle sensor, wherein the steering wheel rotation angle sensor is installed on a steering shaft of a steering wheel and is used for transmitting a steering signal to the controller ECU. The executing unit comprises steering transmission mechanisms, a steering motor and a double-arm track rod, wherein the steering transmission mechanisms are arranged on wheels, the steering motor is fixed on a vehicle body or a vehicle frame, an output shaft of the steering motor is provided with a driving gear which is meshed with a driven gear of the steering transmission mechanisms, the top end of a driven gear shaft is fixed on the vehicle body or the vehicle frame through rolling bearings, and the bottom end of the driven gear shaft is connected with the double-arm track rod which is connected with the wheels through a knuckle. The controller ECU outputs the steering signal to the steering motor. The steering system is an electronic control four-wheel steering system which is convenient to arrange and small in occupied space and is mainly composed of the motor and the like.
Owner:ANHUI POLYTECHNIC UNIV
Integrally-formed composite cabin capable of conducting electromagnetic shielding and forming process of integrally-formed composite cabin
InactiveCN113119490AWith electromagnetic shielding functionWith electromagnetic shieldingMetal machiningElectromagnetic shielding
The invention provides an integrally-formed composite cabin capable of conducting electromagnetic shielding and a forming process of the integrally-formed composite cabin. The integrally-formed composite cabin structurally comprises a plurality of fins and a cylinder, the fins and the cylinderare integrally formed, the cylinder comprises a composite structural layer, an electromagnetic shielding functional layer and a composite structural layer inner layer, the electromagnetic shielding functional layer is wrapped in the composite material structure layer, and the composite material structure layer inner layer is wrapped in the electromagnetic shielding function layer. The technical problems that in the prior art, a cabin cannot achieve electromagnetic shielding, and metal machining of a thin-wall structure is large in difficulty and long in period are solved, the integrally-formed composite cabin is prepared through a prepreg laying technology and has the advantages of being high in strength, capable of achieving electromagnetic shielding, light in weight, low in cost and the like, the production period of a single piece is 24 h, the formed integrated cabin has good size precision, and secondary processing is not needed.
Owner:HARBIN FRP INST
Vehicle component, vehicle and method
PendingCN113811716AEasy to assembleImprove workmanshipVehicle headlampsLighting and heating apparatusControl theoryMechanical engineering
Owner:OSRAM CONTINENTAL GMBH
Retractable vortex generator system for an aircraft
ActiveUS11377204B2Improve robustnessImprove securityElectromagnets without armaturesInfluencers by generating vorticesClassical mechanicsMechanical engineering
Owner:AIRBUS OPERATIONS SL
X-ray tube position estimation method, device and system for X-ray imaging
PendingCN112494057ALow costReduce mechanical connectionsRadiation generation arrangementsComputational physicsDrive motor
Embodiments of the invention disclose an X-ray tube position estimation method, device and system for X-ray imaging. The method comprises the following steps of detecting an acceleration value of an X-ray tube in the height direction based on a predetermined time interval; detecting a height value between the X-ray tube and a reference surface arranged in the height direction based on the time interval; and estimating a height estimation value of the X-ray tube between a predetermined time point and the reference surface based on the time interval, the acceleration value detected at the predetermined time point and the height value detected at the predetermined time point. An absolute position encoder can be omitted, high-precision estimation of the position of the X-ray tube can be achieved with low cost, and mechanical connection with a driving motor is reduced.
Owner:SIEMENS SHANGHAI MEDICAL EQUIP LTD
Film grabbing device
The invention relates to the field of film devices, and discloses a film grabbing device. The film grabbing device comprises a base, a pushing and feeding device, a grabbing manipulator and a drivingdevice, wherein the grabbing manipulator comprises a first gripper, a second gripper, a first connecting plate, a second connecting plate and a blank leaving part; the driving device comprises a firstdriving rack, a second driving rack, a pushing rod and a gear; the first driving rack is connected with the top of the first connecting plate; the second driving rack is connected with the top of thesecond connecting plate; the pushing rod penetrates through the first connecting plate; and the two ends of the gear are separately meshed with the first driving rack and the second driving rack. Through the grabbing manipulator, grabbing and staggered folding on an extra roll core film are carried out, and manual folding treatment is not needed, so that a lot of time is saved; and through cooperation between the gear and the driving racks, the operation of the grabbing manipulator is realized, and the first gripper and the second gripper are not needed to be driven, so that the quantity of the driving devices is reduced, the cost is reduced, mechanical connection is also reduced, and the failure rate of machinery is reduced.
Owner:佛山市洪峰机械有限公司
A high-efficiency steel plate derusting device for construction sites
ActiveCN108161682BSimple structureEasy to useGrinding drivesGrinding machinesArchitectural engineeringRust
Owner:烟台大兴钢结构有限公司
A seed cotton slag removal electric sieve
InactiveCN103334182BReduce mechanical connectionsWork reliablyFibre cleaning/opening machinesPower controllerElectricity
The invention provides a seed cotton deslagging electric screen which comprises a frame body and a screen mesh arranged on the frame body, wherein the frame body is horizontally arranged in an impurity box body with an opening formed in the upper end; the frame body is hinged to the impurity box body through at least three elastic connecting pieces; at least two permanent magnets are uniformly distributed on the periphery of the frame body; electromagnets suitable to the permanent magnets are arranged on the inner wall of the impurity box body; each electromagnet is electrically connected with a power controller independently. According to the seed cotton deslagging electric screen, a driving force used for driving the frame body comes from the action of a magnetic field; the mechanical connection is reduced, so that the whole device works reliably and stably.
Owner:吴江冠亚丝绸化纤有限公司
Gas pressure reducing valve and 3D printing manufacturing method thereof
ActiveCN112197026BSmall sizeHigh strengthAdditive manufacturing apparatusContainer filling methods3d printThermodynamics
The invention relates to the technical field of pressure reducing valves, and provides a gas pressure reducing valve and a 3D printing manufacturing method thereof. The gas pressure reducing valve is a 3D printing integrated structure, including: a valve body, and at least one stage is arranged in the valve body The gas flow channel has a spiral structure, and the diameter of the gas flow channel increases gradually from the first end of the gas flow channel to the second end of the gas flow channel. In the present invention, the gas pressure reducing valve and the internal gas channel are designed as an integrated structure, thereby maximally improving the overall strength, capable of withstanding greater pressure, and greatly reducing mechanical connections.
Owner:沈阳中钛装备制造有限公司
Brake-by-wire systems and vehicles
ActiveCN109552299BReduce mechanical connectionsSimple structureSpeed controllerBraking action transmissionElectromagnetic clutchControl system
Owner:BYD CO LTD +1
Storage tank for fluids
InactiveCN103703336AWill not deformMinimize the amount of materialThermal insulationHeat storage plantsPower stationWater storage tank
The invention relates to a storage tank (1) for holding a fluid (5) that has a temperature of at least 200 DEG C, said tank having an outer shell (4), an inner shell (2) and a thermal insulation layer (3) lying between said shells. The invention is characterised in that the inner shell (2) is designed in the form of a vertical inverted cone. The invention also relates to the use of a storage tank (1) of this type for storing energy in solar thermal power plants and for retrofitting in conventional storage tanks.
Owner:LINDE AG
Control method and device of compound braking system and electric vehicle
The present application proposes a control method and device for a composite braking system and an electric vehicle, wherein the composite braking system includes an electromechanical braking system and a regenerative braking system, and the electromechanical braking system is used to form the basic braking torque, regenerative The braking system is used to form regenerative braking torque. The control method includes: obtaining a braking signal, and calculating the required braking torque according to the braking signal; judging whether to trigger the anti-lock braking system; if so, according to the required braking torque and Under anti-lock braking conditions, distribute the basic braking torque and regenerative braking torque; control the electronic mechanical braking system to form the basic braking torque, and control the regenerative braking system to form the regenerative braking torque. The method can provide an electric vehicle with a coordinated braking function of a regenerative braking system and an electromechanical braking system, and fully utilizes the regenerative braking system to recover energy within the full range of working conditions of the electric vehicle to increase the cruising range of the electric vehicle.
Owner:BYD CO LTD
Main hoisting mechanism of metallurgical ladle crane
PendingCN113582013AReduce mechanical connectionsReduce offsetTrolley cranesTravelling gearDrive wheelReduction drive
The invention discloses a main hoisting mechanism of a metallurgical ladle crane, the main hoisting mechanism of the metallurgical ladle crane comprises a support frame, wherein the top of the support frame is fixedly connected with a top beam, the two sides of the top beam are both fixedly connected with transmission mechanisms, a movable frame is installed between the two transmission mechanisms; the top of the movable frame is fixedly connected with a lifting device, a second motor drives a driving wheel to move so that a first conveying belt can rotate along with the driving wheel, the first conveying belt can be completely tensioned by adjusting the positions of two tensioning wheels; and through transmission between two gears, the friction force between the first conveying belt and the outer surface of a rolling shaft and the friction force between the second conveying belt and the outer surface of the rolling shaft are utilized, so that the movable frame integrally slides in the top beam; and meanwhile, pulleys are clamped on the sliding rails to ensure that the movement of the movable frame does not deviate; a first motor works, a rotating shaft is driven to rotate through the speed reduction effect of a speed reducer, a rotating roller installed on the rotating shaft is driven to rotate, and the lifting effect is achieved by controlling winding of a rope through the rotating roller.
Owner:安徽江河智能装备集团有限公司
Line control braking system and vehicle
PendingCN109552300AReduce mechanical connectionsSimple structureBraking action transmissionBrake safety systemsElectromagnetic clutchMotor shaft
The present disclosure relates to a line control braking system and a vehicle. The line control braking system includes a pedal signal collector, two electric brakes, a controller, and an intermediatemotor, wherein the two electric brakes are used for braking two front wheels and the intermediate motor is used for driving and braking two rear wheels, or the two electric brakes are used for braking the two rear wheels and the intermediate motors is used for driving and braking the two front wheels; the intermediate motor includes two motor bodies and two first electromagnetic clutches for braking the motor shafts of respective motor bodies; the controller is used for controlling the electric brakes and the intermediate motor according to a pedal signal. Through the above technical solution, the present disclosure can provide the line control braking system with less mechanical connection, no hydraulic brake pipeline, simple structure and small size, easy to be arranged on the vehicle,and capable of reducing the weight of the vehicle.
Owner:BYD CO LTD
Lightning stroke overvoltage protection device suitable for current collection line insulator in high wind speed environment
PendingCN114597006AAvoid misalignmentIncrease insulation clearanceWind energy generationInsulatorsOvervoltageLightning strokes
The invention relates to high-voltage insulation, in particular to a current collection line insulator lightning stroke overvoltage protection device suitable for a high wind speed environment, which comprises an insulator, voltage limiting mechanisms are arranged at two conductive ends of the insulator, the voltage limiting mechanisms on two sides and the insulator form a parallel structure, and a windproof bending-resistant mechanism is arranged between the voltage limiting mechanisms on two sides. The two voltage limiting mechanisms are symmetrically arranged at the two ends of the windproof bending-resistant mechanism, the two ends of the insulator and the opposite ends of the voltage limiting mechanisms on the two sides are provided with the first connecting pieces and the second connecting pieces respectively, and the first connecting pieces and the second connecting pieces on the same side are connected with the adjacent conductive pieces respectively. The voltage limiting mechanism is prevented from being dislocated due to vibration through the windproof bending-resistant mechanism, the insulation gap of the voltage limiting mechanism is increased, flashover of the insulator can be protected during lightning stroke, and the device can be widely applied to 35kV current collection lines in a high-wind-speed environment.
Owner:华能新能源股份有限公司云南分公司 +4
Fast releasing apparatus used for rolling door
InactiveCN101476442AEasy resetReduce mechanical connectionsDoor/window protective devicesFireproof doorsFast releaseScrew thread
The invention relates to a quickly-releasing device for a rolling door, which comprises a mounting plate, a driving plate, a lifting mechanism and an electrically-controlled starting mechanism, wherein the lifting mechanism comprises a rotary rod and a fixed positioning sleeve. One end of the rotary rod is fixed on the top end of a brake lever, while the other end is connected with the driving plate. A screw thread lift angle which drives the brake lever to make up-and-down movement is arranged between the rotary rod and the positioning sleeve, one end of the driving plate is provided with a snib which is matched and connected with a lock cylinder fixed on the mounting plate. The lock cylinder is provided with a first slot radially for accommodating a bolt, and the lock cylinder is provided with a second slot axially for accommodating the snib. The snib is provided with a locking groove matched with one end of the bolt, and the other end of the bolt is connected with the electrically-controlled starting mechanism through a first connecting rod. The quickly-releasing device has the advantages of simple and compact structure, low cost, small volume, easy and simple operation, high control accuracy, high reliability, wide applicability, and the like.
Owner:石峥嵘
A wire-controlled multifunctional steering control device for an electric-driven crawler vehicle
ActiveCN108128344BEasy to operateReduce mechanical connectionsDashboard fitting arrangementsVehicle mounted steering controlsControl systemSteering control
The invention provides a wire-controlled multifunctional steering device for an electric drive crawler vehicle, the device includes a support rod connected in rotation with the bracket of the cockpit and a steering rudder connected with the upper end of the support rod; An angle sensor coaxial with it is provided; the upper end of the steering rudder is provided with a man-machine interface communicating with the angle sensor and the vehicle control system. In the technical solution provided by the invention, the man-machine interaction interface on the steering rudder collects the operation of the buttons and the steering information of the angle sensor in the support bar, and transmits them to the vehicle control system; It provides convenience in operation such as adjustment, saves complex mechanical connections, and gets rid of various restrictions of traditional steering systems. It is novel in design, convenient in operation, and high in efficiency.
Owner:CHINA NORTH VEHICLE RES INST
A kind of remodeling sample preparation instrument for coarse granular soil medium shear instrument and method thereof
ActiveCN112629965BAvoid oblique compactionAvoid deformationPreparing sample for investigationSoil scienceMechanical engineering
The invention discloses a remolded sample sample preparation device for a medium-sized shearing device for coarse-grained soil and a method thereof. The sample preparation device comprises a shearing box, a frame, a sample moving component and a sample compacting component. The sample moving assembly includes a moving drive mechanism and a moving plate, and the shear box is arranged on the moving plate; the sample compaction assembly includes a lifting drive mechanism and a compaction mechanism, and the compaction mechanism includes a connected compaction guide rod and a compaction plate. and a guide part, the compaction guide rod can be disconnected from the lift part of the lift drive mechanism; the compaction route of the compaction plate is S-shaped. In the present invention, the shear box can move stably relative to the compaction plate under the drive of the moving drive mechanism, thereby completing the S-shaped compaction route of the compaction plate, that is, through stable movement and falling only by gravity (falling) The route is fixed, not easy to be deformed or changed), which ensures the compaction efficiency and compaction effect, and avoids the inconsistency of the falling action during the compaction process by manual use of the appliance, resulting in the inclined compaction of iron or wooden poles.
Owner:NORTHEAST FORESTRY UNIVERSITY
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