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160results about How to "Simple mechanical structure" patented technology

Pulling and bending multi-axis loading fatigue testing machine

The invention provides a pulling and bending multi-axis loading fatigue testing machine. The pulling and bending multi-axis loading fatigue testing machine is mainly characterized in that a stepping motor arranged on a rack is connected with one side of a chuck A by a screw rod and a hollow stretching shaft and can be used for testing a stretching fatigue of a test piece; a stepping motor B is connected with an eccentric shaft; the eccentric shaft is provided with an eccentric wheel, a bent connection rod and a bent force applying mechanism and can be used for detecting the bending fatigue of the test piece; the eccentric shaft is further provided with an eccentric wheel and a torsion connection rod and is connected with a hollow torsion shaft by a connection rod, a transition connection rod and a torsion rocker; the hollow torsion shaft is connected with the chuck B and can be used for detecting the torsion fatigue of the test piece. The pulling and bending multi-axis loading fatigue testing machine has the advantages of simple mechanical structure, easiness for operation, small power of the stepping motors and the like, and can be used for finishing tests of the fatigue performances of test piece materials from single stretching, bending and torsion to multi-shaft difficult combination loading conditions.
Owner:YANSHAN UNIV

Unmanned plane undercarriage control system

ActiveCN101767649ASimple mechanical structureSimple electric drive equipmentUndercarriagesElectric driveLoad carrying
The invention discloses an unmanned plane undercarriage control system which comprises a control mechanism, a drive part, a control part, a sensor part, an undercarriage arm and a damper rod, wherein, the control mechanism has a worm wheel and worm structure, one end of the rocker of the control mechanism is fixedly connected with the worm wheel and the other end is connected with one end of the damper rod, the other end of the damper rod is connected with the upper part of the undercarriage arm through a pin roll, one end of the worm is connected with the drive part, the sensor part is arranged in the upper limit hole and the lower limit hole of the control mechanism, the control mechanism is fixedly arranged on the load-carrying structure of the plane body, the upper end of the undercarriage arm is connected with the plane body through a load-carrying rotating shaft on the plane body and the lower end of the undercarriage arm is connected with the front wheel of the plane, the control part is arranged on the avionics frame of the plane and respectively abutted with the drive part and the drive part through cables. The invention uses the simple mechanical structure, the simple electric drive apparatus and the spring-type damper rod and needs no supplementary structures or power-assisted devices for support, having a small volume and occupying little space. The invention can realize locking of the undercarriage up and down stations under the coordination of the worm wheel and worm structure, the crank link mechanism and the brushless motor static brake resistance.
Owner:CAIHONG DRONE TECH CO LTD

Construction process and equipment for downhole impacting high-pressure jet grouting pile

ActiveCN102322058ASimple mechanical structureStrong stratum adaptabilityDrill bitsDrilling rodsDamage effectsWater jet
The invention relates to a construction process and equipment for a downhole impacting high-pressure jet grouting pile. An impactor is used for generating certain vibration impact effect in an impacting and sinking process, the impactor is driven by high-pressure air, and damage effect is produced to a soil body structure by virtue of vibration and high-pressure air; meanwhile, auxiliary soil body cutting effect of a high-pressure water jet is utilized at the upper part of the impactor; cutting damage to soil body by high-pressure water, gas and vibration is used for providing conditions for subsequent concrete spraying, under high frequency vibration of a downhole impactor, high-pressure water, high-pressure gas and high frequency vibration generate a linkage mechanism to rapidly soften the soil body at the periphery, the soil body is in a plastic flow state, after a high-pressure pump is transformed to spray high-pressure concrete, the soil in the plastic flow state is fully mixed with concrete, and a cement-soil pile with larger diameter and uniform concrete is formed. In the invention, under the high frequency vibration of the downhole impactor, the high pressure water, the high pressure gas and the high frequency vibration generate the linkage mechanism, diameter of a finished pile is larger, and strength of a pile body is higher.
Owner:BEIJING RONGCHUANG GEOTECHNICAL ENG CO LTD

Encapsulation apparatus for exerting prestress of optical fiber grating sensor

A package device for applying pre-stress on a fiber grating sensor comprises, on a pedestal, a left mounting base connected with a left moving stage, a right mounting base connected with a right moving stage, a platform lifting rod sleeve arranged between the left mounting base and the right mounting base, a left lifting sleeve arranged on the left moving stage, a right lifting rod sleeve arranged on the right moving stage, a translation conversion mechanism arranged on the left and the right moving stages, a left lifting rod arranged on the top of the left lifting rod sleeve and connected with a left clamp frame, a right lifting rod arranged on the top of the right lifting rod sleeve and connected with a right clamp frame, and a platform lifting rod arranged on the upper end of the platform lifting rod sleeve and connected with a platform. The package device has the advantages of simple mechanical structure, small size, low cost, easy operation, etc., and can be used in a temperature range of subzero 25 DEG C to above-zero300 DEG C to achieve high-temperature curing package when applying pre-stress to a fiber grating. The fiber grating sensor packaged by the device has no chirp and waveform aberration, thus ensuring the repeatability and the linearity of the sensor.
Owner:XI'AN PETROLEUM UNIVERSITY

Gas magnetic mixing suspension type plane motor with six freedom degrees

The invention discloses a gas-magnetic mixed suspension type of 6-DOF (degree of freedom) planar motor comprising a stator substrate placed on the horizontal XY plane and a mover substrate floating on the stator substrate and parallel to the stator substrate. The four angles on the upper surface of the stator substrate are respectively provided with a first permanent magnet array, a second permanent magnet array, a third permanent magnet array and a fourth permanent magnet array. The wavelength direction of the first permanent magnet array and the third permanent magnet array thereof is the same with X axis and the wavelength direction of the second permanent magnet array and the fourth permanent magnet array is the same with Y axis. The four angles of the lower surface of the mover substrate are respectively provided with a first thrust winding, a second thrust winding, a third thrust winding and a fourth thrust winding. The wavelength direction of the first thrust winding and the third thrust winding thereof is the same with X axis and the wavelength direction of the second thrust winding and the fourth thrust winding is the same with Y axis. The four angles of the lower surface of the moving substrate are respectively provided with a first aerostatic bearing air cushion, a second aerostatic bearing air cushion, a third aerostatic bearing air cushion and a fourth aerostatic bearing air cushion.
Owner:SOUTHEAST UNIV

Full-automatic multi-core line crimping tin-dipping terminal machine

The invention discloses a full-automatic multi-core line crimping tin-dipping terminal machine. The full-automatic multi-core line crimping tin-dipping terminal machine comprises an engine base, an outer skin stripping and cutting mechanism, an inner skin stripping and cutting device, a multi-core line terminal crimping device, an inlet line translation device, a pull wire translation device, a tin dipping mechanism and a discharging manipulator, wherein the outer skin stripping and cutting mechanism comprises a power device, a sheath line cutting device, a first sheath striping and cutting device, a first cutting device, a second sheath stripping and cutting device and a second cutting device, the sheath line cutting device, the first sheath striping and cutting device, the first cuttingdevice, the second sheath stripping and cutting device and the second cutting device synchronously work, the inner skin stripping and cutting device comprises a first inner skin stripping and cuttingdevice and a second inner skin stripping and cutting device which are arranged at two sides of the outer skin stripping and cutting mechanism, the multi-core line terminal crimping device comprises asupport base, a single-line core isolation mechanism and a crimping structure, the support base is arranged on the engine base, the inlet line translation device is arranged in front of the first sheath stripping and cutting device, the first cutting device, the first inner skin stripping and cutting device and the multi-core line terminal crimping device and is arranged behind the sheath line cutting device, the pull line translation device is arranged in front of the sheath line cutting device, the second sheath stripping and cutting device, the second cutting device and the second inner skin stripping and cutting device, the tin dipping mechanism is arranged aside the second inner skin stripping and cutting device, and the discharging manipulator is arranged aside the tin dipping mechanism.
Owner:广东卓迈智能机械有限公司

Three-degree of freedom joint driven by electromagnetic force applied to snake-shaped robot

The invention discloses a three-degree of freedom joint driven by electromagnetic force applied to a snake-shaped robot. The three degree of freedom joint driven by the electromagnetic force applied to the snake-shaped robot comprises electromagnet sets, permanent magnet sets, a touch sense detection ring, a pushing force spring, a spring supporting seat, a touch switch installing plate and a support. The pushing force spring is arranged inside the spring supporting seat. The electromagnet sets and the spring supporting seat are installed on the touch switch installing plate. The touch sense detection ring is arranged outside the touch switch installing plate. The permanent magnet sets are arranged on the support. The three degree of freedom joint driven by the electromagnetic force applied to the snake-shaped robot applies to single joints of the snake-shaped robot, the electromagnet sets can attract or repel the oppositely arranged permanent magnet sets when respectively loading pulse large current, and deflection motion of the joints can be achieved. When the electromagnet sets simultaneously load homodromous pulse current, extension or contraction of the joints can be achieved. The three-degree of freedom joint driven by the electromagnetic force applied to the snake-shaped robot can connect the joints in series to form the snake-shaped robot capable of imitating snakes to move in a winding, telescopic and side-directional mode, and has the advantages that structure is compact, movement is flexible, mechanical wear is small, and electric spark is not generated.
Owner:BEIHANG UNIV

Bearing assembly all-in-one machine and assembly method thereof

ActiveCN110185711AGuaranteed precision and consistencySimple mechanical structureBearing componentsNozzle
The invention discloses a bearing assembly all-in-one machine and an assembly method thereof. The assembling of bearing balls and press-fitting of a bearing retainer are important processes in the assembly of rolling bearings. The machine comprises an operating platen, a ball loading module, a retainer pressing-in module, a station switching mechanism and a base, wherein the ball loading module comprises an inner ring triaxial mechanical arm, a ball triaxial mechanical arm, an inner ring mounting chuck and a ball blowing mechanism; the retainer pressing-in module comprises a pressing-down mechanism and a retainer pushing mechanism; the ball blowing mechanism comprises an air pressure ball bin, an on-off valve, a nozzle and a ball conveying pipe; and the retainer pushing mechanism comprisesa feeding device seat, a feeding air cylinder, a return spring, a T-shaped locking pin, a feeding bottom plate, a feeding device, a feeding inclined rail and a retainer storage bin. By matching the station switching mechanism, the ball loading module and the retainer pressing-in module, the assembly of an inner ring, an outer ring, the balls and the retainer of the bearing can be completed fullyautomatically, and the assembly precision and uniformity of the bearing are effectively guaranteed.
Owner:杭州电子科技大学安吉智能制造技术研究院有限公司 +1

Solar photovoltaic panel cleaning device based on wind power

The invention discloses a solar photovoltaic panel cleaning device based on wind power. The device comprises a transmission reversing mechanism, a control mechanism, a wind power-based cleaning frame, and a wind power-based cleaning mechanism. The control mechanism is mounted on a solar photovoltaic panel. The transmission reversing mechanism comprises a transmission reverser and reversing elements disposed at the left and right sides of the solar photovoltaic panel. The transmission reverser is mounted on the wind power-based cleaning frame. The wind power-based cleaning mechanism receives wind power and converts the wind power into mechanical power. The transmission reverser transfers the mechanical power to drive the wind power-based cleaning frame to move back and forth between the left and right sides in the laying direction of the solar photovoltaic panel to implement cleaning. The control mechanism controls whether the wind power-based cleaning mechanism works or not by detecting wind power and light sources. With the device, a whole row of solar photovoltaic panels in a large photovoltaic power station can be cleaned, and the wind power-based cleaning frame does not need to consume any human resources. The device is mainly applicable to large photovoltaic power stations with sufficient wind resources in the northwest region.
Owner:CHINA JILIANG UNIV

Picking and conveying manipulator for heat transfer printing

The invention discloses a picking and conveying manipulator for heat transfer printing. The picking and conveying manipulator for heat transfer printing comprises linear guide rails, belts, a stepping motor, a sliding block, a chuck arm, a chuck, an air pump motor, a cam, a cam guide rail and an infrared sensor; two linear guide rails are crisscross mounted; the cam is arranged on a sliding block of the horizontal linear guide rail and is fixedly connected with the chuck arm; belts are arranged on both linear guide rails to drive the sliding block to move through the power from the stepping motor; the cam guide rail is arranged at one side of the horizontal linear guide rail, and the sliding block on the horizontal linear guide rail horizontally linearly moves to convert the friction between the cam and the cam guide rail into rotating movement of the chuck arm, so as to achieve the linear and rotating movement of the chuck arm; the infrared sensor is mounted on the upper surfaces of the linear guide rails to acquire signals so as to control the movement of the whole mechanism. The picking and conveying manipulator for heat transfer printing is simple in structure and convenient to control; workers can be relived from boring and multifarious repeated work; the production efficiency of the heat transfer printing can be increased; the production cost of an enterprise is decreased.
Owner:ZHEJIANG UNIV

Nitrogen protective continuous type brazing furnace

The invention discloses a nitrogen protective continuous type brazing furnace. The brazing furnace comprises a rack and a furnace body which is fixed to the rack and internally provided with a furnace chamber; the furnace body is provided with an inlet and an outlet which are used for entering the furnace chamber, nitrogen sealing mechanisms are arranged at the inlet and the outlet, one end of a conveying belt is provided with a feeding mechanism used for jacking a brazed object to the conveying belt, the other end of the conveying belt is sequentially provided with an air cooling region and a water cooling region which are located on the conveying belt, the furnace chamber is internally provided with a pre-heating region and a heating region, and the heating region is provided with a heating nozzle and an air-conveying fan which can blow hot air to the pre-heating region. Compared with the prior art, structures such as a traditional spraying region and a drying region are saved, the mechanical structure is simplified, the heating efficiency inside the furnace is improved by using a recycling fan, by means of the air-conveying fan, the heat of the heating region can be directly blown to the pre-heating region, the energy is saved, an air-cooling then water cooling method is adopted on a cooling segment, cooling water is prevented from leaking into the furnace body, and the brazing efficiency and quality are improved.
Owner:ZHEJIANG CHUANGXIN AUTO AIR CONDITIONER

Vertical take-off and landing aircraft

The invention relates to a vertical take-off and landing aircraft with an attitude controller. The aircraft consists of a fuselage (6), two main thrust devices (7) which provide main thrust for the aircraft, and the attitude controller, wherein the attitude controller comprises a power module, attitude adjusting units (2), motors, speed regulator units and a flight control system; the aircraft adopts a double-main-wing structure, wherein the attitude adjusting units are separately connected to the left end of the first main wing (8a), the right end of the first main wing (8a), the left end of the second main wing (8b), and the right end of the second main wing (8b); the attitude adjusting units are ducted fans; the two main thrust devices are separately connected to the left side and the right side of the middle segment of the fuselage in a symmetrical manner, and the ducted fans are adopted; the air outlet of each duct is provided with a control surface; the main thrust device and the attitude adjusting units tilt towards the front of the aircraft; therefore, conventional complex mechanical components can be omitted, and the mechanical structure of the aircraft is simplified; the attitude controller and the main thrust devices are separated, so that the type of an engine adopted by the aircraft, and the types of thrust devices adopted by the aircraft, are not limited.
Owner:吴建伟

Deep-layer stirring pile equipment for soil restoration and construction method thereof

The invention discloses deep-layer stirring pile equipment for soil restoration and a construction method thereof. The deep-layer stirring pile equipment comprises a drill rod assembly, a farm chemical feeding assembly and a cement paste adding assembly; the drill rod assembly comprises a drill rod, a drill rod linkage motor, a drill rod lifting stand column and a drill rod bracket, the drill rod and the drill rod linkage motor are installed on the drill rod lifting stand column at the same time and driven by a hoisting mechanism on the drill rod lifting stand column to ascend and descend, and the drill rod lifting stand column is arranged on an equipment foundation support through the drill rod bracket; the drill rod is hollow, an inner cavity of the drill rod is connected with a farm chemical conveying pipe of the farm chemical feeding assembly and a cement paste conveying pipe of the cement paste adding assembly in parallel, and cement paste and restoration agentia are added into drilled soil in sequence. The deep-layer stirring pile equipment capable of conducting precise positioning is utilized to drill and cut contaminated soil on the spot; and meanwhile, the cement paste and restoration agentia are sequentially injected into the contaminated soil from the front end of the drill rod so that the cement paste and restoration agentia can be mixed and stirred with the contaminated soil repeatedly in the stirring process to form cement paste agentia to restore the soil, and finally the effect of in-situ restoration of the contaminated soil is achieved.
Owner:AEROSPACE KAITIAN ENVIRONMENTAL TECH CO LTD

Permanent magnet compound motor

The invention discloses a permanent magnet compound motor including a stator assembly, a flux adjusting ring assembly, a rotor assembly and a housing assembly, A uniform air gap layer exists between the stator assembly and the flux adjusting ring assembly. A uniform air gap layer also exists between the flux adjusting ring assembly and the rotor assembly. The permanent magnet compound motor has only one layer of permanent magnets, so that the permanent magnet amount can be saved. The permanent magnet compound motor has only two air gap layers, so that product formation, processing and assembly are all easier and more practical than those in the prior art. The permanent magnet compound motor has only one motion component, so that the permanent magnet compound motor is not easy to get damaged. The permanent magnet compound motor is simple in mechanical structure, low in manufacture cost and high in operation reliability. The permanent magnet is fixed with a built-in mold hole in a rotor core, so that the magnet may not be thrown out due to centrifugal force generated in high speed rotation of the rotor core. Therefore, the permanent magnet compound motor is safe and reliable. The rotor core is equipped with a damping bar made of conductor material, so that rapid convergence of rotation speed and torque can be realized and stable operation can be achieved after the rotor is started. The permanent magnet compound motor is low in heat generation and high in efficiency.
Owner:DALIAN JIAOTONG UNIVERSITY

Automatic rail changing walking chassis of facility leaf vegetable harvesting robot and rail changing method

InactiveCN104521434ASimple mechanical structureCompact bodyPicking devicesSmall footprintRail wear
The invention relates to an automatic rail changing walking chassis of a facility leaf vegetable harvesting robot. According to the technical scheme, the automatic rail changing walking chassis comprises a rail car chassis, a movement mechanism, a steering mechanism, a control mechanism and a storage battery. The movement mechanism is used for driving a rail car to move and stop on rails and driving all walking wheels to rotate and walk in the rail changing process. The steering mechanism is used for controlling all the walking wheels to conduct steering work for determining angles three times in the rail changing process. The control mechanism is used for positioning all the working positions of the rail car, controlling the timing sequence matching of the movement mechanism and the steering mechanism and controlling the displacement in all the movement processes. The automatic rail changing walking chassis can be used for bearing other operation machines to complete conveying work and can move along the rails stably and quickly to precisely stop at a set stopping position at the tail ends of the rails, so that various complex functions of parallel rail changing work and the like are achieved autonomously. The automatic rail changing walking chassis is simple in structure, compact in car body, small in occupied area in the rail changing process, free of other auxiliary facilities, high in degree of automation and capable of conducting full-automatic or remote control greenhouse operation.
Owner:SHANDONG AGRICULTURAL UNIVERSITY

Pipeline-in-row type kiwi fruit quality automatic screening device

InactiveCN106733705ASolve the time-consuming and labor-intensive technical problems of quality classificationSimple mechanical structureSortingAgricultural engineeringKiwi fruit
The invention discloses a pipeline-in-row type kiwi fruit quality automatic screening device and relates to the field of agricultural machine automation equipment. The pipeline-in-row type kiwi fruit quality automatic screening device is composed of a kiwi fruit storing box, pipelines, delaying door devices, micro type pressure sensors, detection plate devices, kiwi fruit holder grooves, rollers, kiwi fruit holders, conveying belts, kiwi fruit separators, a kiwi fruit containing box, a kiwi fruit box fixing shaft, a roller fixing shaft, a control box and a large support; each delaying door device comprises a door fixing shaft, a delaying door, a coupler, a motor support and a motor; each detection plate device comprises a detection plate, a plate fixing shaft, a connecting rod, a rotating shaft and an electromagnetic valve; each kiwi fruit separator comprises kiwi fruit holder holes, kiwi fruit holder fingers and falling plates; the conveying belts drive the kiwi fruit holders to rotate, and the kiwi fruit holders penetrate the kiwi fruit holder holes and take away fruits on the kiwi fruit holder fingers; and the kiwi fruit holders penetrate the kiwi fruit holder grooves in the top ends of the pipelines and convey the fruits into the pipelines in rows. The pipeline-in-row type kiwi fruit quality automatic screening device is simple in mechanical structure, the labor intensity is greatly reduced, time and labor are saved, efficiency is high, and the problem that time and labor are wasted during classification of the quality of the kiwi fruits in a large scale is solved.
Owner:谷新运
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