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88results about How to "Tilt angle adjustment" patented technology
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Positioning system for head-up display
The invention relates to a positioning system for a head-up display which comprises a combiner carrier being moved between a first position and a second position; a combiner rotatbly disposed on the combiner carrier and a tilt angle of the combiner being adjusted; and a driving mechanism for alternatively driving the movement of the combiner and the tilt angle adjustment of the combiner.
Owner:MAGNA ELECTRONICS SOLUTIONS
Solar power generation road traffic light shade shelter capable of providing power for traffic light
InactiveCN109025394AGuaranteed verticalitySimple preparation processPhotovoltaic supportsRoad vehicles traffic controlShear stressHigh volume manufacturing
The invention discloses a solar power generation road traffic light shade shelter capable of providing power for a traffic light and relates to the technical field of solar power supply equipment. Theshade shelter specifically comprises a concrete layer, a fixed bottom seat and a linkage base, a central axis of the concrete layer and a central axis of the fixed bottom seat are overlapped with each other, the concrete layer is internally provided with a gravel layer, and a connecting bolt is arranged in the fixed bottom seat. According to the solar power generation road traffic light shade shelter capable of providing power for the traffic light, a process of manufacturing a foundation column and a main rod is relatively simple, convenience is provided for mass production, a connection mode is convenient and easy to operate, and a balance shape is indirectly formed between a support rod and a horizontal cantilever, so that the shear stress applied to a secondary column is reduced as much as possible, and the pressure bearing capacity of the secondary column is maintained; the inclination angle is changed by using hydraulic retractable rods different in height on the left and rightrides so that a solar panel can receive light for a longer time, and thus the utilization rate of solar energy is increased.
Owner:云南诚圣科技有限公司
Carrying and fixing device for home decoration bookcase plates
ActiveCN111532326AEasy to put inAchieve fixationSupporting partsHand carts with multiple axesElectric machineryStructural engineering
Owner:芜湖隆深机器人有限公司
Movement device for transplanting large trees of gardens
InactiveCN107933646AEasy to transplantEasy to moveTowing devicesHand carts with multiple axesLocking mechanismCoupling
A movement device for transplanting large trees of gardens comprises multiple movement trolleys. A buffering connecting mechanism is arranged between any two movement trolleys. A rotary shaft is arranged on the upper end face of each movement trolley and connected with a rotary board. Locking mechanisms are arranged on the two sides of each rotary board. A flat supporting board used for bearing transplanted wood seedlings is further arranged above the corresponding rotary board. A lifting mechanism is arranged on the side, close to the corresponding rotary shaft, of each rotary board. The fixed end of each lifting mechanism is connected to the corresponding rotary board. The telescopic end of each lifting mechanism is hinged to the bottom face of the corresponding flat supporting board. The side, away from the corresponding rotary shaft, on each rotary board is connected with a connecting lug at the bottom of the corresponding flat supporting board through a connecting shaft. The end,away from the corresponding lifting mechanism, on each flat supporting board is provided with a lifting support. The flat supporting boards convenient to adjust are arranged on the movement trolleys and arranged on rotary mechanisms, so that the structure is simple, the directions of the transplanted wood seedlings can be conveniently adjusted, meanwhile, the transplanted wood seedlings can be conveniently moved to the planting positions, and the practicability of the device is improved.
Owner:余桂迪
Bag turnover plate inclining angle adjusting device
Owner:WUXI XINAN TAIHU CHEM MACHINERY FACTORY
Endoscope
An adjustment section (19) for raising a treatment device, the adjustment section (19) including a rising member (65) and an operating wire (66), is disposed within a front end section (11) at a position outside a treatment device delivery passage which comprises an outlet member (60) and a tube (61). As a result of this configuration, cleaning work can be performed by inserting a brush or the like into the treatment device delivery passage, and consequently, the cleaning work can be performed easily in the same manner as endoscopes of the type not having a function of raising the treatment device.
Owner:OLYMPUS CORP
Stand for solar panel
InactiveCN104821778AEasy to adjustTilt angle adjustmentPhotovoltaic supportsPhotovoltaic energy generationEngineeringSurface plate
Provided is a stand for a solar panel. During adjustment of an inclination angle of a solar panel, work of replacement of components composing the stand for the solar panel and the like is not necessary, and the inclination angle of the solar panel can be adjusted easily. The stand comprises a first frame component (6) supporting the solar panel (1), a second frame component (7) supporting the first frame component (6) and extending in the direction orthogonal to the first frame component (6) and a fixed component (4) fixed at a base part of an arrangement surface. The second frame component (7) is fixed with the fixed component (4) by utilization of a fastening component (5). A gasket component (25) is arranged between the second frame component (7) and the fixed component (4). The first surface, near the fixed component (4) side, of the gasket component (25) forms a curved surface protruding towards the fixed component (4) side and is pressed against the fixed component (4).
Owner:NIKKEIKIN ALUMINUM CORE TECH +6
Chinese character advertisement word installation tool and installation method thereof
Owner:南京思甲宁新材料科技有限公司
Fastener for oblique rod
PendingCN108894487ARealize combined connectionTilt angle adjustmentScaffold connectionsScaffold accessoriesFastenerFirst insertion
Owner:杨棣柔
Teaching device for computer network engineering
InactiveCN112071125AImprove layout effectConducive to orderly layoutElectrical appliancesTeaching apparatusEngineeringMechanical engineering
The invention relates to the technical field of bearings, and discloses a teaching device for computer network engineering. The teaching device comprises a device main body, wherein a first connectinggroove is formed in the upper end of the device main body; a control screen is arranged in the first connecting groove; an angle adjusting structure is arranged between the control screen and the device main body; and the angle adjusting structure comprises a threaded column, a connecting sleeve, a rotating block, a connecting block, a rotating shaft and a connecting block. According to the teaching device for computer network engineering, through the action of the angle adjusting structure, a user can conveniently adjust the angle between the control screen and the device main body; throughthe combined action of a right-angle connecting strip, a limiting block, a placing plate, a limiting plate and a connecting strip, articles can be placed conveniently; and through the cooperation of afixed baffle, a movable baffle, a connecting port, a display screen, a connecting shaft, a matching block and a second connecting groove, the display screen can be used and stored conveniently, and the using effect is good.
Owner:衡阳和众信息技术有限责任公司
Face protective device for electric welding
The invention discloses a face protective device for electric welding. The face protective device is used for bringing convenience to electric welding work of an operator. A machine frame and an air pump which are fixedly connected are arranged above guide rails. Rail wheels located on the guide rails are arranged at the bottom of the machine frame and the bottom of the air pump. A lead screw is arranged in the machine frame. The upper portion of the lead screw extends out of the machine frame. A lifting assembly for driving the lead screw to ascend or descend is arranged in the machine frame. A platform is fixed to the upper portion of the lead screw. A base plate is installed on the platform in a hinged mode. A mask is installed at the upper portion of the base plate in a rotary mode. A swinging assembly for driving the base plate to swing in the vertical plane is arranged between the platform and the base plate. A smoke sucking tube and a smoke outlet tube are connected to the air pump. The other end of the smoke sucking tube is fixed to the platform. The other end of the smoke outlet tube extends into a water-contained water tank located above the air pump. By means of the face protective device, the operator does not need to hold the mask with the hands, the double hands of the operator are further released, and a to-be-welded piece is held with the hands. In addition, the angle of the mask can be adjusted to meet the requirements of the operator.
Owner:STATE GRID SHANDONG ELECTRIC POWER +1
Water and electricity installation auxiliary line drawing device
InactiveCN112077814AAvoid affecting useSolve the problem that the height cannot be adjustedOther workshop equipmentStructural engineeringMechanical engineering
The invention discloses water and electricity installation auxiliary line drawing device. The water and electricity installation auxiliary line drawing device comprises a base, a height adjusting unit, a line drawing unit, adjusting units and an installation shell, wherein the installation shell is arranged in the middle of the top end of the base; a storage unit is arranged in a groove in the base; fixing grooves are formed in the left side and the right side of the base; installation units are arranged on the left side face and the right side face of the installation shell; the height adjusting unit comprises elastic plug pins, an inner guide column, a positioning hole, an outer guide column and a connecting plate; the bottom end of the outer guide column is matched with the groove in the top end of the installation shell; the top end of the outer guide column is in sliding connection with the bottom end of the inner guide column; the positioning hole is formed in the top end of thefront side face of the outer guide column; the elastic plug pins are arrayed on the front side face of the inner guide column and matched with the positioning hole; the connecting plate is arranged atthe top end of the inner guide column; and the adjusting units are arranged at the top ends of the left side face and the right side face of the inner guide column. The water and electricity installation auxiliary line drawing device is easy to use, convenient to adjust, high in practicability and high in accuracy.
Owner:杭州亦和水电安装工程有限公司
Keyboard with adjustable inclination
InactiveCN103019393ATilt angle adjustmentInput/output for user-computer interactionArchitectural engineeringFront and back ends
The invention discloses a keyboard with an adjustable inclination. Two threaded holes are respectively processed in each of a front processing end and a rear processing end of a sealing plate on the bottom end of the keyboard, the two threaded holes in the front end of the sealing plate are connected and fixed with front support columns through threads, the two threaded holes in the rear end of the sealing plate are connected and fixed with rear support columns through threads, suckers are arranged on the lower end faces of the front threaded columns (front support columns) and are connected and fixed with the front threaded columns through pin rolls, suckers are arranged on the lower ends of the rear support columns and are connected and fixed with the rear threaded columns (rear support columns) through pin rolls, and the rear support columns are threaded telescopic rods. The keyboard adopting the technical scheme realizes the regulation of the inclination through connecting the front threaded columns with the rear threaded columns by using the threaded holes in the bottom end of the keyboard.
Owner:大连奥林匹克电子城腾飞办公设备商行
New energy vehicle charging pile convenient to use
InactiveCN108583314AEasy to useAchieve stabilityPhotovoltaic supportsCharging stationsNew energyAlternative fuel vehicle
The invention relates to the technical field of new energy vehicles and discloses a new energy vehicle charging pile convenient to use. The new energy vehicle charging pile comprises a charging pile body. The front face of the charging pile body is fixedly connected with fixing blocks, the front faces of the fixing blocks are fixedly connected with rotating shells, and evenly-distributed through holes are formed in the front faces of the rotating shells; sector-shaped holes are formed in the bottoms of the rotating shells, and the inner walls of the sector-shaped holes are slidably connected with rotating rods; the back faces of the rotating rods are movably connected with limiting devices, the front faces of the rotating rods are fixedly connected with adjusting devices, the tops of the rotating rods are movably connected with limiting pipes, and the surfaces of the rotating rods are sleeved with first springs; and the tops of the limiting pipes are fixedly connected with universal wheels. The new energy vehicle charging pile convenient to use is adjusted more conveniently in position while having good stability, and the problem that a traditional charging pile is fixedly mountedoutdoors, and consequently the traditional charging pile is affected by the environment and is prone to being damaged is solved.
Owner:胡琼琼
A simple device for shear rheometer
InactiveCN104390858BGuaranteed parallelPrecise loadMaterial strength using tensile/compressive forcesShear stressEngineering
The invention relates to the field of an experimental and test instrument of a geotechnical engineering geotechnical material, and relates to a simple device of a shear rheometer. The simple device comprises an experimental platform, a loading system and a force measuring ring. A hand wheel is rotated, so that two slopes in the experimental platform rise in proportion along a guide rod, a shear force is enabled to be parallel to a bottom slope of a soil sample, the slope shear is realized, different shear inclination angles are simulated, and a shear plane of the geotextile material with weakest shear strength can be obtained. A flexible wire rope bypassing a fixed pulley is loaded by a weight in the loading system during the shearing loading, thus the load precision can be guaranteed, so that a load is a stable value, operation steps are simple, the test precision is high, an accurate and reliable shear strength index can be effectively provided, the inclination angle of the soil sample can be adjusted, a stable shear stress can be provided, and the obtained shear strength index is precise.
Owner:CHANGZHOU UNIV
Solar panel power generation device capable of preventing ice and snow accumulation
InactiveCN108809244AAvoid accumulationTilt angle adjustmentPhotovoltaic supportsSolar heating energyEngineeringGlass sheet
The invention discloses a solar panel power generation device capable of preventing ice and snow accumulation. The solar panel power generation device comprises a fixed base; first stand columns are symmetrically arranged at one end of the fixed base, and second stand columns are symmetrically arranged at the other end of the fixed base; a battery box is fixed in the middle of the first stand columns, and a storage battery is arranged in the battery box; one side of the storage battery is electrically connected with an inverter; a hydraulic lifting rod is obliquely arranged at the top end of each first stand column; and a connector is welded to one end of each hydraulic lifting rod. According to the solar panel power generation device capable of preventing ice and snow accumulation disclosed in the invention, the hydraulic lifting rod is mounted at one end of the bottom of each first stand column and the bottom of a mounting frame, and a connecting rod is connected with a movable headat one end of the mounting frame through a rotating shaft, so that the inclination angle of the solar photovoltaic panel can be conveniently adjusted, a glass sheet is attached to the outer side of the solar photovoltaic panel, and ice and snow are prevented from being directly accumulated on the solar photovoltaic panel; the ice and snow can be melted in time by electric heating wire, so that manpower cleaning is not needed, and the solar panel power generation device is worthy of being widely popularized.
Owner:南京八度阳光太阳能科技有限公司
Photovoltaic cell concentration test device
ActiveCN104796087AIncrease local temperatureThe total light energy is continuously adjustablePhotovoltaic monitoringPhotovoltaic energy generationLight energyEngineering
The invention discloses a photovoltaic cell concentration test device, which comprises a support, a concentration system, a moving platform, a working table, a cell slice fixing device, and a secondary dodging system, wherein the support is provided with a guide rod extending along a Z axis direction; the concentration system is arranged on the support and comprises a diaphragm with an adjustable aperture and a lens located below the diaphragm; the moving platform slides on the guide rod along the Z axis direction; the working table comprises a first working table and a second working table, the first working table slides on the moving platform along a Y axis direction, the second working table is located on the first working table and can move along an X axis direction in relative to the first working table, and the second working table is provided with a bearing surface for bearing a tested cell slice; and the secondary dodging system is located between the lens and the working table. The diaphragm is arranged between the light source and the concentration lens, uniform and parallel light with a large area can be outputted, and through continuously adjusting the area of the aperture of the diaphragm, total light energy received by the to-be-tested cell slice can be adjusted continuously.
Owner:SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
Loading machine with rotary feeding hoppers
PendingCN111977395AImprove work efficiencyShorten the timeConveyorsLoading/unloadingTransmission beltControl engineering
The invention provides a loading machine with rotary feeding hoppers. The loading machine comprises a walking device, a feeding device, a belt conveying device and a tensioning mechanism. The feedingdevice comprises a feeding frame, a first rolling shaft, a second rolling shaft, a third rolling shaft, conveying belts, a first drive device, a second drive device and a feeding roller. The conveyingbelts are installed on the first rolling shaft, the second rolling shaft and the third rolling shaft. The first drive device is connected with the first rolling shaft in a transmission manner. The feeding frame is installed ahead of the walking device. The outer side wall of each conveying belt is provided with a plurality of feeding hoppers distributed at equal intervals. The tensioning mechanism is installed between the conveying belts and the feeding frame. A feeding roller is installed on the portion, ahead of the conveying belts, of the bottom of the feeding frame in a rotating manner. The second drive device is used for driving the feeding roller to rotate. The belt conveying device is installed on the walking device. The loading machine can solve the technical problems that when atraditional loading machine or transferring machine carries out loading or transferring operation, needed space is large, and the loading efficiency is low.
Owner:GUANGXI UNIVERSITY OF TECHNOLOGY
Water treatment device for municipal river channel cleaning
InactiveCN113513004ATilt angle adjustmentEasy to paveWater cleaningTreatment involving filtrationWater useFungicide
The invention discloses a water treatment device for municipal river channel cleaning. The water treatment device comprises a ship body and a treatment box, a hydraulic telescopic rod is movably connected to the position, close to the right side, of the upper end of the ship body, a feeding frame is movably connected to the end, away from the ship body, of the hydraulic telescopic rod, a material surrounding frame is arranged at the upper end of the ship body, and the material surrounding frame is arranged at the left side of the hydraulic telescopic rod; and a supporting frame is arranged at the outer side of the material surrounding frame and arranged at the upper end of the ship body, a first motor is arranged on the left side of the supporting frame and connected with a lead screw, the right end of the lead screw is rotationally connected to the inner wall of the supporting frame in a penetrating manner, a moving frame is arranged on the lead screw in a penetrating manner, and a rotating shaft is rotationally connected to the side wall of the moving frame. According to the water treatment device for municipal river channel cleaning, a river channel remediation fungicide can be proportionally stirred through a fourth motor, a third bevel gear set and a stirring rod, stirred river channel remediation fungicide liquid is sprayed out under the action of a third liquid conveying pump and a spraying pipe, and the quality of water in a river channel can be improved.
Owner:江苏宏禄顺鑫建设集团有限公司
Teaching device for accounting
Owner:JIANGSU MARITIME INST
Pedal-type exercising rehabilitation device special for foot-joint patients
InactiveCN108578991ATilt angle adjustmentSit and lie comfortablyMovement coordination devicesCardiovascular exercising devicesFoot jointsPhysical medicine and rehabilitation
The invention relates to a rehabilitation device, in particular to a pedal-type exercising rehabilitation device special for foot-joint patients. The invention aims at providing the pedal-type exercising rehabilitation device special for foot-joint patients, which has the advantage that the exercising rehabilitation enthusiasm of the patients is motivated by improving the exercising interestingness. The pedal-type exercising rehabilitation device special for foot-joint patients comprises a base, a first bearing block, a first rotation rod, a rotation rack, a large belt pulley, a small belt pulley, a first horizontal belt, a second bearing block, a second rotation rod and the like, wherein the first bearing block is arranged in the middle of the top of the base in an embedding manner, the first rotation rod is in interference connection in the first bearing block, and the rotation rack is connected to the top end of the first rotation rod. With the pedal-type exercising rehabilitation device, the effect that the exercising rehabilitation enthusiasm of the patients is motivated by improving the exercising interestingness is achieved, meanwhile, the large belt pulley, the small belt pulley, the first horizontal belt and the like are arranged, so that the rotation of a seat board is realized, and the purpose of improving the exercising interestingness is achieved.
Owner:THE AFFILIATED HOSPITAL OF QINGDAO UNIV
Electric power marketing data acquisition device
ActiveCN109578773AAdjustment stationSimple structureStands/trestlesStructure of Management InformationData acquisition
The invention discloses an electric power marketing data acquisition device. The electric power marketing data acquisition device comprises a box body, a first regulating mechanism, a bearing mechanism, a plurality of second regulating mechanisms and a third regulating mechanism, wherein the first regulating mechanism comprises a first telescopic rod, a first screw and a first sleeve; the bearingmechanism comprises a second telescopic rod, a first plate body, a second plate body, a connecting rod and a plurality of elastic assemblies; one elastic assembly corresponds to one second regulatingmechanism, and any one of regulating mechanisms comprises a fixed pulley, wire rope and a rotating shaft; and the third regulating mechanism comprises a third telescopic rod, a second screw, a secondsleeve and a limiting rod. According to the electric power marketing data acquisition device, the positions of an acquisition device body in the level and vertical direction can be adjusted, and dataof an electric meter in the special position can be acquired; and the electric power marketing data acquisition device has simple structure, can be stored, has smaller volume, and is convenient to carry, a station of the acquisition device can be adjusted flexibly, and high economic practicability is achieved.
Owner:STATE GRID CORP OF CHINA +1
Solar bracket for adjusting inclination angle
InactiveCN108731280ATilt angle adjustmentAdjust the tilt anglePhotovoltaic supportsSolar heating energyEngineeringPhotovoltaics
Owner:ANHUI ZHICHENG MACHINERY TECH CO LTD
Portable electronic device
InactiveCN102811575ATilt angle adjustmentImprove convenienceDetails for portable computersElectrical apparatus casings/cabinets/drawersComputer moduleBiomedical engineering
A portable electronic device comprises a main body having a central region and a fringe region, wherein a thickness of the central region is greater than a thickness of the fringe region, and the central region has a containing cavity; and a connector module slidably disposed in the containing cavity of the main body and moving between an operation position and an accommodation position in relative to the main body.
Owner:COMPAL ELECTRONICS INC
Liquorice fresh leaf airing and de-enzyming processing device
PendingCN112880371AEasy to fixEven contactTea substituesDrying gas arrangementsAgricultural engineeringStructural engineering
The invention discloses a liquorice fresh leaf airing and de-enzyming processing device which comprises a supporting flat plate, a liquorice airing frame and a liquorice de-enzyming box. Telescopic sleeves are fixedly mounted on the upper surface of the supporting flat plate, telescopic rods are slidably connected to the inner walls of the telescopic sleeves, and connecting seats are rotatably connected to the upper ends of the telescopic rods; and a T-shaped sliding groove is formed in the lower surface of the liquorice airing frame, a sliding block is slidably connected to the inner wall of the T-shaped sliding groove, the number of the telescopic sleeves, the number of the telescopic rods and the number of the connecting bases are all two, and the upper surface of the connecting seat at the left side is fixedly connected with the lower surface of the sliding block. According to the liquorice fresh leaf airing and de-enzyming processing device, a liquorice de-enzyming roller can be heated through a supporting rod and an electric heating pipe, hot air in the liquorice de-enzyming box can be pumped into the liquorice airing frame through an exhaust fan and an air conveying pipe, moisture on the surfaces of liquorice fresh leaves is blow-dried through the hot air, and meanwhile the liquorice fresh leaves are preheated, so that the de-enzyming treatment of the liquorice fresh leaves is convenient.
Owner:甘肃绿园生态种养殖家庭农场
Petrochemical engineering mechanical pipeline strength detection device
ActiveCN114354416APracticalAccurate measurementMaterial strength using tensile/compressive forcesUsing optical meansDisplay deviceStructural engineering
The invention discloses a petrochemical machinery pipeline strength detection device, and particularly relates to the field of pipeline detection.The petrochemical machinery pipeline strength detection device comprises a bottom plate, a shell is welded to the bottom plate, a strength detection mechanism is installed in the shell, a bottom box is arranged at the bottom end of the shell, and a lifting mechanism is installed on the bottom plate on one side of the shell; a control box is installed on the portion, on the other side of the shell, of the bottom plate, a moving mechanism is installed in the control box, a smoothness detection mechanism is fixedly installed on the moving mechanism, and a touch screen displayer is installed on the control box. The pipeline is pushed to the strength detection mechanism for hardness detection under the cooperation of the lifting mechanism on one side of the bottom plate, and meanwhile, the moving mechanism installed in the control box adjusts the position of the smoothness detection mechanism and inserts the smoothness detection mechanism into the pipeline for pipeline internal smoothness detection. The method has the advantages of convenience in detection, high precision, high efficiency, reduction of labor capacity of workers and direct data feedback.
Owner:GUANGDONG UNIV OF PETROCHEMICAL TECH
Lifter automatic welding system
InactiveCN109822284AImprove applicabilityImprove welding efficiencyWelding/cutting auxillary devicesAuxillary welding devicesFixed framePiston rod
The invention relates to the field of lifter welding, in particular to a lifter automatic welding system. The system comprises a base, a sliding groove is formed in the base, a support is sleeved withthe sliding groove, a transverse moving air cylinder used for driving the support to move is arranged on the base, a piston rod of the transverse moving air cylinder is fixed to the support, a welding table is mounted on the base, a lifting frame is arranged on the support, the other end of the lifting support is hinged with a tilting mechanism, a driving mechanism used for driving the tilting mechanism to achieve tilting is arranged on the lifting frame, the other end of the driving mechanism is connected with the tilting mechanism, the other end of the tilting mechanism is connected with aclamping mechanism used for clamping a welding strip, a fixed frame is arranged on the welding table, a pressing air cylinder is arranged on the fixed frame, and a pressing plate used for pressing a part to be welded is fixed to a piston rod of the pressing air cylinder. According to the automatic welding system, the any position of a lifter part can be welded.
Owner:SICHUAN VOCATIONAL & TECHN COLLEGE
Automatic calcium carbonate feeding device used for organic silicon sealant production
InactiveCN111014220AEasy to operateGood effectDispersed particle filtrationTransportation and packagingProcess engineeringCalcium carbonate
Owner:江西纳森科技有限公司
Volleyball serving trainer
InactiveCN111544880ARealize automatic serveTilt angle adjustmentSport apparatusEngineeringStructural engineering
The invention relates to a volleyball serving trainer. The volleyball serving trainer comprises a shell, a throwing opening and a ball outlet are formed in the shell, a corrugated pipe and an L-shapedpipeline are connected between the throwing opening and the ball outlet, a hammering through hole is formed in the L-shaped pipeline, a first support and a second support are arranged below the L-shaped pipeline, a first lever is assembled on the first support, and a second lever is assembled on the second support; a driving hammer is arranged at one end of the first lever, a transmission springis connected to the other end of the first lever and one end of the second lever, an elastic stress part is arranged at the other end of the second lever, and a driving mechanism is further arranged at the bottom of the shell; a stopping structure is arranged on the second support, a first cushioning structure is arranged below the driving hammer, and a second cushioning structure is arranged above the elastic stress part; and a supporting rod and a telescopic rod are further arranged on the rear side of the bottom of the shell. By the adoption of the volleyball serving trainer, volleyballs can be automatically served, and the serving angle can be adjusted.
Owner:ZHENGZHOU NORMAL UNIV
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