35results about How to "Realize the deceleration effect" patented technology

The invention provides a high-reliability bolt tightening system. The high-reliability bolt tightening system is characterized in that a mechanical arm is connected with one end of a front arm, the other end of the front arm passes through a connecting part, the connecting part is further connected with one end of an arc arm, the other end of the arc arm is connected with a rotating disc, the rotating disc is connected with a base, a groove is formed in the bottom of the base, the groove is arranged in a sliding rail in a sedimentation manner, a fastening device is arranged at the head of the mechanical arm, a bolt sleeve is obtained through the fastening device, and a bolt is tightened on the corresponding component through the sleeve. According to the system, bolt tightening operation can be finished through angle adjustment, corresponding operation is carried out through the fastening device, and the system is safe and convenient.

The invention discloses a novel height adjustable square speed bump which comprises a base. A groove is formed in the base, a connecting column is fixedly connected to a bottom position in the base, the connecting rod is arranged in the groove, a non-Newton fluid shock absorbing ball is arranged in the connecting column, a transverse pressure plate is arranged at the upper end of the non-Newton fluid shock absorbing ball, a push rod is fixedly connected to the upper surface of the transverse pressure plate, a mounting plate is fixedly connected to the upper end of the push rod, a square speedbump main body is fixedly connected to the upper surface of the mounting plate, two oblique columns are rotatably connected to the bottom position in the base through a rotating shaft, chutes A are formed in the upper surfaces of the two oblique columns, a lower supporting column is slidably connected in each chute A, and an upper supporting column is arranged above the lower supporting column. The height of the novel height adjustable square speed bump can be changed, so that people feel more comfortable when an automobile passes through the novel height adjustable square speed bump, and thenovel height adjustable square speed bump is reasonable in design and long in service life.

The invention discloses a harmonic transmission speed reducing mechanism. The mechanism comprises a wave generator, a flexible gear, a connecting pin, a rigid gear and an output plate, wherein an accommodating space capable of accommodating the wave generator and the flexible gear is arranged in the rigid gear in an up and down penetrating mode, the wave generator comprises a cam and a cam shaft bearing connected on the outer side of the cam in a sleeving mode, the flexible gear is connected to the outer side of the cam shaft bearing in a sleeving mode, an outer gear ring of the flexible gearis meshed with an inner gear ring of the rigid gear, a set of kidney-shaped grooves are uniformly distributed on the surface of the output plate along the axis, eccentric vertical wheels are arrangedin the kidney-shaped grooves, eccentric holes used for accommodating one end of the connecting pin to be inserted and fixed is formed in the top of the eccentric vertical wheels, connecting convex columns corresponding to the eccentric vertical wheels are distributed on the inner side wall of the flexible gear along the axis, the connecting convex columns are provided with connecting inserting holes used for accommodating the other end of the connecting pin to be inserted and fixed, and the connecting pin, the connecting convex columns and the eccentric vertical wheels are connected and matched with each other, so that the flexible gear and the output plate form a synchronous connection motion.

The invention discloses an unpowered roller line, and relates to the technical field of logistics conveying. The unpowered roller line comprises two parallel first frame plates; a second frame plate is arranged at one end of each first frame plate, and a third frame plate is arranged at the end, away from the corresponding first frame plate, of each second frame plate; a plurality of rollers are rotationally connected between the inner sides of the two first frame plates in the length direction of the first frame plates, between the inner sides of the two second frame plates in the length direction of the second frame plates and between the inner sides of the two third frame plates in the length direction of the third frame plates; each second frame plate is formed by sequentially splicing a straight line section I, an arc section I, an arc section II and a straight line section II; the arc section I is tangent to the linear section I, the arc section II is tangent to the linear section II, and the arc section I is also tangent to the arc section II; and the top and the bottom of the linear section I are flush with the tops and the bottoms of the first frame plates correspondingly. The unpowered roller line has the beneficial effects that objects can be conveyed conveniently, and accumulation, falling and the like of the objects in the conveying process are reduced.

The invention discloses a coaxial central motor which comprises a machine shell, a middle shaft, a stator assembly, a rotor assembly, a speed change module and a clutch module. The stator assembly, the rotor assembly, the speed change module and the clutch module are located in the machine shell. The stator assembly is sleeved with the rotor assembly and connected to the machine shell, the middleshaft penetrates through the stator assembly, the rotor assembly, the speed change module and the clutch module, the speed change module is connected with the rotor assembly, the clutch module is connected with the middle shaft and the speed change module, and the middle shaft penetrates through the machine shell and stretches out of the machine shell. Through the above design, the axis of the stator assembly, the axis of the rotor assembly, the axis of the speed change module and the axis of the middle shaft coincide, the whole transmission process is simple, mechanical losses in the power output transmission process are small, and abrasion is not likely to be caused. The motor is low in noise during operation, and the service life of the motor is prolonged.

The invention discloses a ring wing unmanned aerial vehicle, comprising a ring wing, a tail wing, a left task compartment, a right task compartment, a left fuselage connecting device, a right fuselageconnecting device, a left propeller, a right propeller and a power device. The power device comprises a left power device and a right power device. The left fuselage connecting device and the right fuselage connecting device are identical in structure and each includes a fuselage connecting rod and a fuselage case. According to the invention, the annular wing and double propeller structure is adopted, so that the unmanned aerial vehicle can realize vertical take-off and landing, the ring wing unmanned aerial vehicle has the characteristics of long flight time, long flight distance, high flight speed, strong wind resistance and the like, unfolding wings are also arranged on the ring wing of the unmanned aerial vehicle, so that the ring wing has high operability and flexible in turning.

The invention relates to the technical field of brakes, in particular to a normally closed type brake with a flexible decelerating function. The brake comprises a braking part, a braking housing, a braking pull rod, a braking spring, an adjusting push rod, an adjusting spring and a force applying device. The flexible decelerating function of the brake is achieved by combining the braking spring and the adjusting spring. An adjusting force applied by the adjusting push rod can be adjusted at a force applying end of the force applying device in a stretching process, the adjusting force is applied to the braking spring to weaken a braking force generated by the braking spring, and the residual elastic force of the braking spring is a needed braking force. The process can be changed anytime according to actual conditions, that is, the process is a forming process of the flexible braking force. By matching the braking spring, the adjusting spring and the force applying device in use, the braking force can be applied at any proportion (100% to 0% or 0% to 100%) in the braking process, so that a needed decelerating effect is achieved, a flexible braking effect is achieved, and impact to an operating system is reduced.

The invention provides a steering locking mechanism, which is applied to a vehicle; the vehicle is bicycle or electric bicycle; the vehicle comprises a front steering wheel and a frame, wherein the front end of the frame is rotationally connected with the front steering wheel; the steering locking mechanism comprises an electric faucet lock and at least one lock block; the electric faucet lock is fixedly arranged at the frame, and comprises a lock box; a motor and a lock tongue in driving connection with the motor are arranged in the lock box; the motor is connected with the controller, and the controller can control the motor to drive the lock tongue to extend out or retreat back in relative to the lock box according to the received operation command; at least one lock block is fixedly arranged at the front steering wheel, and at least one lock hole matched with the lock tongue is arranged on the lock block, wherein the front end of the lock tongue can be inserted to any one lock hole when the lock tongue is extended out in relative to the lock box, thus the front steering wheel is limited to rotate in relative to the frame. Through the technical plan, the front steering device of the vehicle is fixed, and the vehicle anti-theft performance is improved; meanwhile, the automatic locking and unlocking can be realized; the steering locking mechanism is convenient to operate, stable and reliable.

The invention discloses a direct-current speed reduction motor with multiple stages of speed reduction gears. The direct-current gear motor comprises a motor body, one side of the motor body is fixedly connected with a mounting end cover, one side of the mounting end cover is provided with a gear box, the output end of the motor body is fixedly connected with a first rotating shaft, and the outersurface of the first rotating shaft is fixedly connected with a gear; and a second rotating shaft and a third rotating shaft are rotatably connected to one side of the mounting end cover, a first reduction gear is fixedly connected to the outer surface of the second rotating shaft, the gear is engaged with the first reduction gear, and a second reduction gear is fixedly connected to the outer surface of the third rotating shaft. According to the direct-current speed reduction motor with the multi-stage speed reduction gears, by arranging a lifting ring, when the speed reduction motor needs tobe moved, the speed reduction motor can be lifted through the lifting ring, meanwhile, a set of universal wheels are arranged, so that the motor replaces carrying with sliding, output of labor force is reduced, and the speed reduction motor becomes diversified in the moving process.

The invention relates to the technical field of tank bodies of water tank trucks, and discloses a separated linkage flow guide type tank body of a water tank truck. The separated linkage flow guide type tank body of the water tank truck comprises a tank body, transverse protection plates are fixedly installed on the inner walls of the front side and the rear side of the interior of a cavity of the tank body, two sets of parallel partition plates are fixedly installed between the inner walls of the front side and the rear side in the middle of the interior of the cavity of the tank body, two sets of side edge flow distribution mechanisms are arranged between the transverse protection plates and the partition plates, and two sets of middle flow guide mechanisms are arranged between the two partition plates. According to the separated linkage flow guide type tank body of the water tank truck, the side edge flow distribution mechanisms are arranged, when an inertial motion water body located between the partition plates and the front side wall face of the tank body impacts the side edge flow distribution mechanisms, the inertial motion water body is separated and circulated through the three sets of flow distribution partition plates, the three sets of flow distribution partition plates achieve the flow distribution effect on the inertial motion water body, the motion speed of the water body in the cavity of the tank body under the inertial effect is reduced, the stability of the water body stored in the tank body is improved, and the stability of the water body delivered in the cavity of the tank body is improved.

The invention discloses an explosion proof type vehicle running prevention blocking device based on energy conversion. The device comprises a fixed base and an arresting cable device arranged on the fixed base; a brake steel wire rope on the arresting cable device is connected with a vehicle, and when the vehicle speed is out of control, emergency brake is provided; an explosion proof type energyabsorbing device is arranged in the arresting cable device, and through the explosion proof type energy absorbing device, kinetic energy of the vehicle can be converted into internal energy. The blocking device can be applied to various vehicles under the coal mine, the stable blocking brake force is provided for the vehicles with speed out of control, the phenomenon that the speed of the vehiclesunder the coal mine is out of control is effectively avoided, the reasonable protection measure is provided for out-out-control speed of the vehicles under the coal mine, the coal transportation vehicle safety situation is optimized, the vehicle safety property is improved, operation safety coefficient of the vehicles is improved, and the mine system safety is improved.

The invention discloses a high-safety snowboard for training, and relates to the technical field of skiing training equipment. The skateboard comprises a skateboard body which is provided with a deceleration control device. The deceleration control device is composed of a speed measurement assembly, a speed reduction assembly and a storage battery. The storage battery supplies power to the speed measuring assembly and the speed reduction assembly. The speed measurement assembly comprises a photoelectric speed measurement module mounted on the upper side of the skateboard body; the photoelectric speed measurement module comprises walking wheels rotationally connected to the rear end of the skateboard body; the axial direction of the walking wheels is the left-right direction; reflection blocks are fixed at the left ends of the walking wheels; reflective surfaces are arranged on the front sides of the reflection blocks; a photoelectric rotating speed sensor is fixed at the upper rear part of the skateboard body; a probe of the photoelectric rotating speed sensor corresponds to the reflective surfaces; and the photoelectric rotating speed sensor is connected with a control circuit. The snowboard has the advantages that the skiing speed can be effectively controlled, dangers caused by too high skiing speed are avoided, and meanwhile, adverse effects on skiing training are reduced.

The invention relates to the technical field of elevator use, and discloses a stall protection device for a vertical lifting elevator, which comprises a car body and two guide rail plates with a guiding function, and the guide rail plates are sleeved with speed reducing mechanisms; the speed reducing mechanism comprises connecting rods connected to the two sides of the guide rail plate in a sliding mode, and rotating wheels rotating on the side wall of the guide rail plate are arranged on the outer sides of the connecting rods. According to the protection device, when the compartment body stalls, the compartment body and the whole speed reducing mechanism can quickly move on the guide rail plate, the rotating wheels can rotate on the outer wall of the guide rail plate, the rotating speed can be increased, the stall sensing device works under the action of the rotating shaft when the speed reaches a set value, the telescopic rod is started to work, and the telescopic rod can be inserted into the limiting hole, so that the stall is prevented from being damaged. Therefore, the friction wheel stops rotating, the friction wheel and the wedge-shaped groove are in sliding connection instead of rotating connection, friction force is increased, the speed reduction effect can be achieved, and the safety problem caused by stall is effectively avoided.

The invention discloses a speed reduction worm gear device for agricultural machine gear transmission, and relates to the technical field of agricultural machines. The speed reduction worm gear devicefor the agricultural machine gear transmission aims to solve the problem of insufficient transmission directions of a speed reduction worm gear device for common agricultural machine gear transmission in the prior art. A first output shaft is installed on the front end face of the speed reduction worm gear device and rotationally connected with the speed reduction worm gear device through a bearing, a second bearing seat is installed on one side of the speed reduction worm gear device, and the second bearing seat is fixedly connected with the speed reduction worm gear device through a sealingscrew. A second output shaft is installed on one side of the speed reduction worm gear device, the second output shaft is rotatably connected with the second bearing seat through a bearing, a third bearing seat is installed above the speed reduction worm gear device, and the third bearing seat is fixedly connected with the speed reduction worm gear device through a sealing screw. A third output shaft is mounted above the speed reduction worm gear device, and the third output shaft is rotatably connected with the third bearing seat through a bearing.

The invention discloses an automatic speed reducing wheel of a forklift. The automatic speed reducing wheel comprises a wheel body, a wheel axle and wheel spokes; the wheel spokes are fixed on two sides of the wheel body, and the wheel axle is fixed at the axle center of the wheel spokes; two positioning columns are symmetrically fixed on the surface of a central ring of the wheel spokes; centrifugal swing rods are rotatably connected to the ends, far away from the central ring of the wheel spokes, of the positioning columns through rotating shafts; a primary speed reducing mechanism facilitating preliminary speed reduction on the wheel body is arranged on the surface of the wheel axle and on one side of the wheel spokes, and a secondary speed reducing mechanism facilitating further speedreduction on the wheel body is arranged on the side, far away from the centrifugal swing rods, of the primary speed reducing mechanism; and a one-way bearing is fixed on the surface of the side, far away from the centrifugal swing rods, of the wheel axle. According to the automatic speed reducing wheel of the forklift, kinetic energy is provided for the primary speed reducing mechanism and the secondary speed reducing mechanism under the centrifugal action of the centrifugal swing rods, and the speed reducing effect with different effects on the wheel body is realized through the cooperative action of the primary speed reducing mechanism and the secondary speed reducing mechanism.

The invention discloses a novel die for the injection molding of mobile phone cases. The die includes a transmission case; one side on the bottom end inside the transmission case is provided with a supporting plate; the supporting plate is provided with a transmission gear; one side of the transmission gear is in coaxial connection with a belt pulley; the belt pulley is connected to a belt; and the other end of the belt is connected to the output shaft of a speed reducer located on one side at the upper part inside the transmission case. The transmission case can be fixed through a supportingframe, and is detachably connected to a fixed clamping plate, and connecting and fixing can be realized through the cooperation of locating pieces and fixing pins during connection; the locating pieces can also realize the fast positioning of the fixed clamping plate and a moving die plate, so that the processing efficiency of injection molds can be increased; and during separation, the separationof the moving die plate and the fixed clamping plate can be realized by only rotating the fixing pins to take out, so that convenient storage of the injection molds can be achieved, and fast connecting and fixing efficiency, small occupation areas and convenient usage can be realized.