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32results about How to "With brake function" patented technology
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Electrical variable-speed case and its dynamic mode
InactiveCN101131199AImprove efficiencyImprove protectionToothed gearingsGearing controlClutchVariator
The present invention is electrical stepless speed variator and its driving mode. The electrical stepless speed variator has a planetary sun gear connected to the inner rotor of the double mechanical port motor, a planetary ring gear connected through a clutch to the outer rotor of the motor, the clutch for controlling the connection and disconnection between the outer rotor and the ring gear, the first brake between the ring gear and the casing of the power assembly for braking the ring gear, and the second brake between the engine shaft and the casing of the power assembly for braking the engine. By switching with these two brakes and the clutch, the vehicle may be switched in different driving modes; and controlling the rotation speed of the inner rotor can control the switching of the electrical stepless speed variator in different mixed driving modes.
Owner:INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
Brake pump of loader
ActiveCN105673741AImprove braking effectEasy to useBrake actuating mechanismsActuatorsLiquid storage tankControl engineering
The invention discloses a brake pump of a loader. Two brake cavities, a traveling brake cavity and a stop brake cavity are formed in a brake pump shell; a first piston is arranged in the stop brake cavity; a first push rod is arranged on the left side of the first piston; a main spring is arranged on the right side of the first piston; a rubber bowl is arranged in the traveling brake cavity; the two braking cavities comprise a left brake cavity and a right brake cavity; a second piston is arranged in the left brake cavity; a first resetting spring is arranged on the left side of the second piston; a third piston is arranged in the right brake cavity; a second resetting spring is arranged on the left side of the third piston; a spring base is arranged on the left side of the rubber bowl; a second push rod and a third push rod are fixed on the left end face of the spring base; a first spring sleeves the second push rod; a second spring sleeves the third push rod; the second push rod corresponds to the second piston; the third push rod corresponds to the third piston; a first liquid storage tank is arranged above the left brake cavity; and a second liquid storage tank is arranged above the right brake cavity. The brake pump is good in brake effect and can be used safely and reliably.
Owner:莱州虎威机械科技有限公司
Stroke adjustable energy-saving hydraulic pumping unit
InactiveCN101078340AAdjustable strokeAdjustable stroke timesFluid removalFluid gearingsPunchingHydraulic pump
The invention relates to an energy-saving hydraulic oil pumping unit with adjustable stroke used in oil field, comprising frame, gear group, hydraulic transmission mechanism, rack, head sheave, suspended-weight rope and oil pumping bar. Two frames are set at two sides of hydraulic transmission mechanism symmetrically. A gear group and two head sheaves are set on each frame. Two gear groups are mated with racks set at two ends of hydraulic transmission mechanism respectively. The gear group draws the oil pumping bar through the suspended-weight rope and the head sheave. Thereinto, the hydraulic transmission mechanism comprises communicating vessel, piston and hydraulic pump. A hydraulic pump is fixed in the communicating vessel and two pistons are set in cavities at two ends of communicating vessel respectively. Driving liquid is poured between two pistons in cavities of communicating vessel. The invention is provided with simple structure, scientific and reasonable design, adjustable stroke and punching time, convenient maintenance, dismounting and use, safe operation, high liquid production volume, little energy consumption and low operating cost. It is also provided with higher innovation.
Owner:丁长良
Universal trailer for container or pallet
The invention discloses a universal trailer for a container or a pallet. The universal trailer comprises a trailer chassis, a front wheel assembly, rear wheels, a plurality of longitudinal flipping plates, a plurality of lateral flipping plates, a plurality of universal castors and a plurality of rollers, wherein the front wheel assembly and the rear wheels are arranged on the bottom part of the trailer chassis, and the plurality of longitudinal flipping plates, the plurality of lateral flipping plates, the plurality of universal castors and the plurality of rollers are arranged on the upper portion of the trailer chassis. The plurality of universal castors are distributed evenly on the upper portion of the trailer chassis. The plurality of rollers are arranged at the rear end, left side and right side of the upper portion of the trailer chassis respectively and located on the outer sides of the plurality of universal castors. The universal castors can change directions of the container or the pallet, enables 360-degree pivoting of the container or pallet loaded on the chassis to realize multi-direction loading and unloading. The plurality of universal castors are distributed evenly and bear force evenly, thereby improving loading capacity of the trailer.
Owner:上海嵩洋航空地面设备有限公司
Intelligent carrying robot
ActiveCN106239472AHigh-speed handlingWith brake functionProgramme-controlled manipulatorGripping headsRobot handEngineering
The invention discloses an intelligent carrying robot. The robot comprises a moving base, a carrying mechanical arm is connected to the moving base, and by the adoption of the technical scheme, the beneficial effects that walking is stable, moving and positioning are precise, bearing force is large, the brake function is achieved, steering and walking are integrated, the robot can adapt to small and narrow sites, the work range is large, no dead corners exist during work, the wrenching capacity is high, high-speed carrying of cargos can be achieved, and high-speed carrying of cargos about 50kg can be achieved.
Owner:ANQIU BOYANG MACHINERY MFR
Self-walking universal moving device
The invention discloses a self-walking universal moving device. The self-walking universal moving device comprises a chassis, wherein two main driving wheels and two driven wheels are rotatably connected to the bottom of the chassis; and a connecting line between the shaft centers of the two main driving wheels and a connecting line between the shaft centers of the two driven wheels are crossly arranged. The self-walking universal moving device which adopts the technical scheme, disclosed by the invention has the following technical effects of being stable in walking, accurate in movable positioning, and high in bearing force, has the function of braking, integrates steering and walking, can realize universal walking, and is adapted to a narrow site; and the self-walking universal moving device can conveniently and fast move in all directions.
Owner:ANQIU BOYANG MACHINERY MFR
Folding clinical care cart
InactiveCN110742765AWith brake functionFixedStretcherNursing accommodationNursing careStructural engineering
The invention discloses a folding clinical care cart. According to key points of the technical scheme, the folding clinical care cart includes four vertical rods, two lower length transverse rods, twolower width transverse rods, two upper length transverse rods and two upper width transverse rods, the lower ends of the four vertical rods are provided with universal wheels correspondingly, the vertical rod are of telescopic rod structures, and include cylindrical outer rods and cylindrical inner rods, the four outer rods are provided with first connection pieces correspondingly, the first connecting pieces include circular ring parts and two connection block parts, the circular ring parts sleeve the outer rods, the two connection block parts are arranged 90 degrees apart in the peripheraldirection of the circular ring parts, the two lower length transverse rods, the two lower width transverse rods and the four first connection pieces constitute a rectangular frame, and both ends of the lower length transverse rods and the lower width transverse rods are connected with the connection block parts of the first connection pieces. According to the folding clinical care cart, the lengthof the vertical rods is adjustable, and the distance between the transverse rods at the upper ends of the vertical rods and the transverse rods at the lower ends of the vertical rods can also be adjusted.
Owner:常州久沐医疗科技有限公司
Novel buffering wheel structure
Owner:浙江五峰汽车轴承制造有限公司
Belt stretcher driven by AC series excitation motor
InactiveCN101286668AEasy maintenanceImprove reliabilityGearingSupports/enclosures/casingsEconomic benefitsEngineering
The invention provides a belt stretcher driven by an AC series excited machine, which comprises a deflector rod, a torsional spring and a tension pulley; the deflector rod is fixed on the base of a motor by a locating dowel and can rotate round the locating dowel; one end of the torsional spring is fixed on the deflector rod and the other end thereof is fixed on a stop place of the base; the tension pulley matched with belts is arranged at the front end of the deflector rod. The belt stretcher of the invention, under the action of the torsional spring, and realizes that the tension pulley automatically imposes tension on driving belts, thus ensuring stable transmission efficiency, promoting reliability and working efficiency of the belt transmission and prolonging the service life of the belts; furthermore, the braking function of the belt stretcher can avoid the occurrence of accidents. Therefore, the belt stretcher has good economic benefits and social effects and promising application prospect.
Owner:孙健
Anti-theft electric vehicle hub
InactiveCN102126528AWith brake functionWith anti-theft lock functionAnti-theft cycle devicesElectric vehicleAnti theft
The invention relates to the field of electric vehicle parts, in particular to an anti-theft electric vehicle hub. The anti-theft electric vehicle hub comprises a rim, an axle and a disk brake, wherein the rim and the disk brake are arranged on the axle; and an anti-theft lock is arranged on the inner side of the disk brake. The anti-theft lock is arranged on the disk brake. The anti-theft lock is arranged on the inner side of the disk brake, and an internal structure of the disk brake is not changed, so that the anti-theft electric vehicle hub has a brake function and an anti-theft lock function and a rational and compact structure and is convenient to use and mount.
Owner:沈文伟
Wheelchair with novel brake devices
PendingCN107374841AReduce travel speedWith brake functionWheelchairs/patient conveyanceVehicle frameWheelchair
The invention relates to the field of wheelchair equipment, in particular to a wheelchair with novel brake devices. The wheelchair comprises a frame, front wheels and rear wheels, the front wheels and the rear wheels are mounted on the lower portion of the frame, the brake devices are mounted on the upper portions of the rear wheels and comprise brake shells, the brake shells are mounted on the frame, parking brake strips are arranged in the brake shells and rotatably mounted on the inner walls of the brake shells, and friction wheels are arranged in the brake shells and can vertically move. The wheelchair with the novel brake devices can solve the problem that the moving speed of an existing wheelchair cannot be reduced.
Owner:张国良
Novel oil field drilling rotating disc transmission case
PendingCN113669001AShorten the braking torque transfer pathShorten the delivery pathConstructionsRotary drillingBrake torqueUniversal joint
The invention provides a novel oil field drilling rotating disc transmission case. The novel oil field drilling rotating disc transmission case comprises an output shaft; a brake disc connecting sleeve is arranged on one side of the output shaft; and an output shaft universal joint connecting disc is fixedly mounted on the other side of the brake disc connecting sleeve through bolts. According to the novel oil field drilling rotating disc transmission case, a disc type device is adopted for braking, the braking torque can be adjusted, the novel oil field drilling rotating disc transmission case is directly mounted on the brake disc connecting sleeve at the rear end of the output shaft, a braking torque transmission path is shortened, and the mechanical transmission efficiency is improved. The novel oil field drilling rotating disc transmission case has a transmission clutch function, a forward and reverse turning switching function, a braking function and the like, is complete in function, reasonable in structure, compact in appearance, convenient to install and capable of saving space, in a disc type clutch device, an air bag is adopted to replace an existing air cylinder piston to push a friction plate to be separated and combined, the production and mounting technology is simplified, the machining difficulty is reduced, and the production cost is reduced.
Owner:PUYANG CITY SNOWLAND GEAR MFG
Changable length and width mechanical workbench
ActiveCN107363800BPlay a supporting roleEasy to useWork benchesOther workshop equipmentStructural engineeringLight head
Owner:ANHUI TECHN COLLEGE OF MECHANICAL & ELECTRICAL ENG
Improved structure of drum brake
PendingCN113027944AImprove braking effectNot easy to wearBrake actuating mechanismsMechanically actuated drum brakesGear wheelControl theory
The invention provides an improved structure of a drum brake. A pair of brake shoes is installed in a drum brake shell, one end of each brake shoe is provided with a semicircular arc surface, the brake shoes are installed on a rotating shaft and can rotate around the rotating shaft, and the rotating shaft is fixedly installed on the drum brake shell. The other ends of the pair of brake shoes are each made into an inward-concave tooth-shaped surface, an intermediate gear and a rocker arm shaft gear are installed between the two tooth-shaped surfaces, and the intermediate gear is engaged with the tooth-shaped surface of one brake shoe in contact with the intermediate gear. The rocker arm shaft gear is also engaged with the tooth-shaped surface of the other brake shoe in contact with the rocker arm shaft gear. The intermediate gear is engaged with the rocker arm shaft gear, the intermediate gear is installed on the rotating shaft in a sleeving manner and can rotate around the rotating shaft, and the rotating shaft is also fixedly installed on the drum brake shell. The rocker arm shaft gear is a part of the structure of a rocker arm shaft of a brake rocker arm assembly. When the rocker arm shaft rotates, the pair of brake shoes can be driven to form opening and closing movement, and therefore the brake function is achieved.
Owner:申革英
A buffer wheel structure
Owner:浙江五峰汽车轴承制造有限公司
Improved structure of drum brake
PendingCN113294458AWith brake functionBraking membersBrake actuating mechanismsClassical mechanicsCam
The invention discloses an improved structure of a drum brake. A pair of brake shoes is arranged in a drum brake shell, one ends of the brake shoes are rotationally positioned in the shell, an elastic reset element is connected between the brake shoes, a brake cam is arranged in an end gap of the other ends of the brake shoes, bearings are propped between the brake cam and the end surfaces of the brake shoes on the two sides correspondingly, and rotating shafts for the bearings are arranged in shaft holes of the pair of brake shoes. When a brake rocker arm assembly drives the brake cam to rotate, the two bearings are driven to rotate and move, then the pair of brake shoes is driven to form opening and closing movement, and therefore the brake function is achieved; and the outer contour surface of the brake cam is composed of two pairs of curved surfaces and four connecting cylindrical surfaces, the cross section lines of one pair of curved surfaces are convex circular involutes, the other pair of curved surfaces are concave cylindrical surfaces, and four corners formed by the two pairs of curved surfaces are connected through a section of convex cylindrical surface which is tangent to the two curved surfaces at the same time.
Owner:仇梅惠
Drive device, drive method and control device of operation window of ventilation cabinet
PendingCN108798348AImprove adaptabilitySmall footprintPower-operated mechanismGear wheelReduction ratio
The invention provides a drive device, drive method and control device of an operation window of a ventilation cabinet. The drive device comprises an output shaft, a first-stage straight gear, a second-stage straight gear, a drive module and a fixing module. The output shaft is arranged on a center shaft of the ventilation cabinet in a sleeving manner and used for driving the center shaft to rotate. The first-stage straight gear is arranged on the output shaft in a sleeving manner and used for driving the output shaft to rotate. The second-stage straight gear is engaged with the first-stage straight gear and used for driving the first-stage straight gear to rotate. The drive module cooperates with the second-stage straight gear and is used for driving the second-stage straight gear to rotate. The fixing module is connected with the drive module and used for fixing the drive module to the top end of the ventilation cabinet. According to the drive device, the two stages of straight gearsare adopted for driving the center shaft on the ventilation cabinet, the two stages of straight gears achieve the aim of cooperating with different ventilation cabinets through the later changeable reduction ratio and good adaptability, and the drive device is suitable for most ventilation cabinets in the market and is wide in application range.
Owner:SHANGHAI ZEPHIRUS CONTROL TECH
Endoscopic operation portion and endoscope with the same
The invention provides an endoscopic operation portion. A groove guide rail is vertically arranged on a horizontal base of the endoscopic operation portion and is an arc-shaped guide rail surrounding a sleeve. The bottom surface of the endoscopic operation portion is a smooth slope surface arranged in the length direction. A brake wrench is horizontally arranged. One end of the brake wrench is slidably sleeved outside the upper end of the sleeve and abuts against the horizontal base. A brake guide column is vertically inserted into the groove guide rail, abuts against the bottom position of the smooth slope surface and is movably arranged in the length direction of the groove guide rail. The middle of the brake wrench is arranged on the brake guide column. A damping ring is horizontally arranged, sleeved outside the upper end of the sleeve, located between one end of an angle wrench and one end of the brake wrench and abuts against the angle wrench and the brake wrench. The other end of the brake wrench is exposed. The invention also provides a related endoscope. The endoscopic operation portion has a braking function, and allows an bending angle at the end of an insertion part to be constant, thereby facilitating operator to control the endoscope, and rotating the end of the insertion part by the axial direction, so that endoscope can be adjusted in place, and operation is convenient.
Owner:上海视介光电科技有限公司
Brake pump and its application on loader
ActiveCN106043258BGuarantee the safety of useEasy to useBraking action transmissionBrake actuating mechanismsLiquid storage tankAir receiver
Owner:莱州虎威机械科技有限公司
Intelligent hoisting crane anti-collision system for factory building
InactiveCN112279105AAvoid damageWith brake functionBrake actuating mechanismsTravelling gearElectric machineryDrive motor
The invention relates to the technical field of hoisting cranes, in particular to an intelligent hoisting crane anti-collision system for a factory building. The system comprises a shell, a hoisting mechanism, a controller, a support beam body, a track body, a walking wheel body and a driving motor, wherein the track body is mounted at the top of the support beam body, an outer casing is bolted onthe surface of one side of the shell, and the driving motor is mounted in the outer casing. The system has a braking function, can shorten the sliding distance of the hoisting crane after shutdown, has an anti-collision protection function, prevents the hoisting crane and limiting structures from being damaged in the collision process, and solves the problem that potential safety hazards exist due to the fact that some existing hoisting cranes lack the braking function and the hoisting cranes can still slide for a certain distance because of inertia after shutdown, and the problem that the limiting structures are arranged on the two sides of a hoisting crane track and once the hoisting crane collides with the limiting structures, the limiting structures or the hoisting crane is extremelyprone to being damaged.
Owner:刘英秀
Multifunctional Automatic Swing Fitness Machine
The invention relates to the field of body-building equipment, and discloses a multifunctional automatic swing exerciser. The multifunctional automatic swing exerciser comprises a swing frame, a swing rod (3) and a swing chair (4) which is connected with the swing frame through the swing rod (3), and further comprises an upper sprocket wheel (5) and a lower sprocket wheel (6) which are connected through a chain (7), wherein the upper sprocket (5) is fixed on the swing frame, the lower sprocket wheel (6) is installed on the swing chair (4), and the swing chair (4) is provided with a push rod (9) which is connected with the lower sprocket wheel (6) and drives the lower sprocket wheel (6) to rotate. According to the invention, a user applies a force to the push rod by himself and then controls the rotation of the lower sprocket wheel through the push rod, the chain and the lower sprocket wheel cooperate and drive a swing to rotate, the swing of the swing can be stopped through control of the push rod, a brake function is exhibited, the product provided by the invention is simple in structure and high in reasonableness, novelty and environmental protection, and the user can experience fun of the swing and also can exercise his arms and legs.
Owner:袁廷友
Bicycle capable of recovering kinetic energy and cooling
InactiveCN112478030AImprove cooling effectImprove securityElectrodynamic brake systemsSteering deviceEngineeringMechanical engineering
The invention discloses a bicycle capable of recovering kinetic energy and cooling. The bicycle structurally comprises a handlebar connecting rod, handlebar devices are symmetrically arranged at the two ends of the handlebar connecting rod, a front axle is fixedly connected to the center of the handlebar connecting rod, an upper supporting frame is connected to one side of the front axle in a running fit mode, a lower supporting frame is fixedly connected to the lower side of the upper supporting frame, a vertical pipe device is fixedly arranged on one side of the lower supporting frame, the vertical pipe device is fixedly connected with the upper supporting frame, a cushion device is arranged on the upper side of the vertical pipe device, a battery cell device is arranged in the verticalpipe device, a rear upper fork is fixedly arranged on one side of the vertical pipe device, and a brake device is arranged in a rear upper fork. According to the bicycle, the design of the handlebar device and the brake device is adopted so that a person can control braking without opening a palm, the safety of the bicycle is improved, kinetic energy can be recycled for power generation and reutilization during braking, and the environmental friendliness of the bicycle is improved; the design of the vertical pipe device and the cushion device is adopted so that a cushion can absorb heat for cooling; and through air guide of the air guide holes, the heat dissipation of the cushion is further improved, and the comfort of equipment is increased.
Owner:杭州骏伟信息科技有限公司
Travel suitcase pull rod device with brake function
InactiveCN112137268AImprove sealingWith brake functionLuggageOther accessoriesBrakeStructural engineering
The invention relates to the technical field of advertising bags and suitcases, and discloses a travel suitcase pull rod device with a brake function. A mounting seat is fixedly mounted above the topend of a body, and an outer frame is movably connected to the outer side of the top end of the mounting seat. A push-pull rod is held by a hand, a driving rod in the push-pull rod is pulled to the upper portion from the bottom end, the driving rod slides to the upper end along the protruding texture on a rail, a pull ring connected with the rear end of the driving rod is changed from a default compression state into an extension state, and a limiting buckle movably connected with the pull ring is influenced by reverse acting force to gradually slide towards the middle, and slides along the edge of a pushing piece. When a groove in the pushing piece is opposite to a protruding block on the limiting buckle, the limiting buckle is inserted into the pushing piece, and a magnetic block synchronously attracts a small special-shaped magnet arranged on the rail at the right end, so that the device has the functions of speed reduction and braking, the effects of saving labor and being easy to control are achieved, and convenience is brought to users.
Owner:广州名云贸易有限公司
A loader brake pump
ActiveCN105673741BImprove braking effectEasy to useBrake actuating mechanismsActuatorsControl engineeringLiquid storage tank
The invention discloses a brake pump of a loader. Two brake cavities, a traveling brake cavity and a stop brake cavity are formed in a brake pump shell; a first piston is arranged in the stop brake cavity; a first push rod is arranged on the left side of the first piston; a main spring is arranged on the right side of the first piston; a rubber bowl is arranged in the traveling brake cavity; the two braking cavities comprise a left brake cavity and a right brake cavity; a second piston is arranged in the left brake cavity; a first resetting spring is arranged on the left side of the second piston; a third piston is arranged in the right brake cavity; a second resetting spring is arranged on the left side of the third piston; a spring base is arranged on the left side of the rubber bowl; a second push rod and a third push rod are fixed on the left end face of the spring base; a first spring sleeves the second push rod; a second spring sleeves the third push rod; the second push rod corresponds to the second piston; the third push rod corresponds to the third piston; a first liquid storage tank is arranged above the left brake cavity; and a second liquid storage tank is arranged above the right brake cavity. The brake pump is good in brake effect and can be used safely and reliably.
Owner:莱州虎威机械科技有限公司
Lifting-free self-elevating offshore oil well testing equipment
PendingCN110043201AGuaranteed installationStable power inputDrilling rodsDrilling casingsHydraulic motorHydraulic cylinder
The invention discloses lifting-free self-elevating offshore oil well testing equipment, which includes a winch module and a power module providing kinetic energy for the winch module. The winch module includes a winch base, a pair of double-acting hydraulic cylinders capable of ascending and descending synchronously are vertically arranged in the middle of the upper part of the winch base, uppercross beams are arranged at the tops of the pair of double-acting hydraulic cylinders, two fixed pulleys are arranged side by side at the bottom of each upper cross beam, a hydraulic well testing winch is arranged on the one side of the upper part of the winch base, a hydraulic motor is arranged on the other side, opposite to the hydraulic well testing winch, of the upper part of the winch base, and a winding reel is arranged on an output shaft of the hydraulic motor. The lifting-free self-elevating offshore oil well testing equipment has the own lifting function, well testing operation can beconducted without waiting in line for lifting equipment on an offshore oil platform, through the well testing equipment, a lubricator can be lifted over a wellhead, and the restriction on well testing operation by the offshore oil platform facility layout can be lifted without no longer needing to fix the top sheave and the ground pulley through a Christmas tree.
Owner:南阳科信石油设备有限公司
Intelligent handling robot
ActiveCN106239472BHigh-speed handlingWith brake functionProgramme-controlled manipulatorGripping headsEngineeringManipulator
The invention discloses an intelligent carrying robot. The robot comprises a moving base, a carrying mechanical arm is connected to the moving base, and by the adoption of the technical scheme, the beneficial effects that walking is stable, moving and positioning are precise, bearing force is large, the brake function is achieved, steering and walking are integrated, the robot can adapt to small and narrow sites, the work range is large, no dead corners exist during work, the wrenching capacity is high, high-speed carrying of cargos can be achieved, and high-speed carrying of cargos about 50kg can be achieved.
Owner:ANQIU BOYANG MACHINERY MFR
Intelligent Conveyor System
ActiveCN106241211BHigh-speed handlingWith brake functionConveyorsConveyor partsEngineeringManipulator
Owner:ANQIU BOYANG MACHINERY MFR
Improved structure of drum brake
PendingCN112984007ALabor-saving operationLarge braking torqueBrake actuating mechanismsMechanically actuated drum brakesGear wheelCam
The invention provides an improved structure of a drum brake. The improved structure is used for changing the original working mode of the drum brake that a brake shoe is directly driven by a cam to expand. According to the structure, a pair of brake shoes is installed in a drum brake shell, one end of each brake shoe is provided with a semicircular arc surface, the brake shoes are installed on a rotating shaft and can rotate around the rotating shaft, and the rotating shaft is fixedly installed on the drum brake shell; the other end of each brake shoe is made into a convex tooth-shaped surface, a rack is installed between the two tooth-shaped surfaces, the rack is meshed with the pair of brake shoes and a rocker arm shaft gear, and the rocker arm shaft gear is a part of the structure of a rocker arm shaft of a brake rocker arm assembly; and when the rocker arm shaft rotates, the pair of brake shoes can be driven to do opening and closing movement, and therefore the braking function is achieved.
Owner:申革英
Improved structure of drum brake
PendingCN113236684AWith brake functionBrake actuating mechanismsMechanically actuated drum brakesGear driveGear wheel
The invention provides an improved structure of a drum brake. A pair of brake shoes are installed in a drum brake shell, one end of each brake shoe is rotationally positioned in the shell, and a kidney-shaped columnar brake gear driven by a brake rocker arm assembly to rotate is arranged in an end gap of the other ends of the brake shoes; Pin roller gears are meshed between the kidney-shaped columnar brake gear and the end faces of the brake shoes on the two sides; and rotating shafts of the pin roller gears are installed in kidney-shaped holes of connecting pieces and can rotate and move in the kidney-shaped holes, and the connecting pieces are riveted and fixed to the pair of brake shoes through rivets. When the brake rocker arm assembly drives the kidney-shaped columnar brake gear to rotate, the kidney-shaped columnar brake gear drives two pin rollers to rotate and move, then the pair of brake shoes are driven to do opening and closing motion, and therefore the brake function is achieved. The abutting faces, abutting against the pin roller gears, of the brake shoes are each a combination of an outwards-protruding tooth-shaped face and an inwards-concave arc face, each outwards-protruding tooth-shaped face is used for being meshed with the corresponding pin roller gear, and each inwards-concave arc face is used for being in rolling contact with the corresponding pin roller gear.
Owner:申革英
A large box-type device that requires the top cover to be opened
ActiveCN111634571BEasy to openReduce labor intensityLarge containersDrive shaftStructural engineering
Owner:HUBEI SANJIANG AEROSPACE WANFENG TECH DEV
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