22 results about "Wheel drive" patented technology

The invention discloses a focal length adjusting apparatus for a VR device. The apparatus comprises a rotating wheel, a left cross-arm wheel, a right cross-arm wheel, a left folding-arm wheel, a right folding-arm wheel, a left vertical wheel arm and a right vertical wheel arm, wherein a wheel disc rotates the rotating wheel, the wheel disc drives the left cross-arm wheel and the right cross-arm wheel to rotate, the left cross-arm wheel and the right cross-arm wheel drive the left folding-arm wheel and the right folding-arm wheel to rotate, and the left folding-arm wheel and the right folding-arm wheel then respectively drive the left vertical wheel arm and the right vertical wheel arm to rotate in a vertical direction. Besides, the invention further provides a VR device. Back-and-forth adjustment of a front cover is realized through the focal length adjusting apparatus for the VR device. Compared to the prior art, the VR device provided by the invention is firm in structure, improves the internal structure of virtual reality goggles, saves space, reduces the volume, at the same time, also reduces the weight, and enables a user wearing the goggles to have better experience.

The invention discloses a rolling type ultrasonic arc composite welding device which comprises an ultrasonic device and an arc welding device. The ultrasonic device comprises an ultrasonic transducer, an ultrasonic amplitude variation rod and ultrasonic rolling wheels, wherein the ultrasonic rolling wheels transmit high-frequency vibration generated by the ultrasonic transducer to a workpiece to be welded through the ultrasonic amplitude variation rod. The arc welding device comprises an arc welding gun which is connected with the ultrasonic device, the ultrasonic rolling wheels drive the arc welding gun to move along a weld, the workpiece to be welded is driven to generate high-frequency vibration while the arc welding gun conducts welding, and grains of a welding area are refined. Accordingly, high-frequency vibration generated by the ultrasonic transducer is transmitted through the ultrasonic rolling wheels to the workpiece to be welded via the ultrasonic amplitude variation rod, so that the workpiece to be welded generates high-frequency vibration while the arc welding gun conducts welding along the weld, and grains of the welding area are refined; and the weld structure and the mechanical property are improved, and the welding effect is improved.

The invention discloses an intelligent atomizer. The intelligent atomizer comprises a main machine body, wherein an upper rotating block is rotationally arranged in the main machine body, a lower rotating block is rotationally arranged in the part, at the bottom of the upper rotating block, of the main machine body, a diffusion mechanism for accelerating water vapor diffusion is arranged in the upper rotating block, two sliding cavities which are symmetric left and right are formed in the lower rotating block, detection mechanisms for detecting the air humidity are arranged in the sliding cavities, an ultrasonic atomizer body atomizes water, meanwhile, a second motor drives a fifth bevel gear to rotate so as to enable a fan shaft to rotate, the fan shaft drives the fan to rotate, and meanwhile a large belt wheel drives a top shaft to rotate so that water vapor atomized by the ultrasonic atomizer can be blown out of the upper rotating block after passing through a spiral blade fan and fans.

The present invention discloses a four-wheel driving converter for an electric automobile, wherein a four-wheel converter (5) provided on an electric automobile is simultaneously provided a planetary gear train (20) and a clutch (40) arranged between a motor (6) and a differential gear (4) to realize four-wheel driving, after a speed change time point, the rotation speed of the motor is reduced to a high-speed segment, and even if the connected state between the motor (6) and the differential gear (4) is removed, the four-wheel driving is realized without damaging the motor (6), and the entire traveling segment of the electric automobile can implement regenerative brake, thereby greatly increasing regenerative brake efficiency.

The invention provides a two-wheel monorail vehicle and a balance control method thereof. A front wheel and a rear wheel of the vehicle are each provided with a steering and driving motor; an embeddedcomputer in the vehicle calculates and outputs corrected motor drive signals to a motor drive subsystem according to the vehicle running state and the driving target data input by a user, and the motor drive subsystem drives a front and back wheel steering motor, the front and rear wheel driving motors and the front and back wheels installed on the vehicle to brake, so that the two-wheel steeringmonorail vehicle reaches the dynamic balance state, and driving is planned according to the driving target data.

The invention discloses a washing integrated chemical cleaning device. The chemical device comprises a mounting plate, a pull ring is arranged in the middle of the upper end of the mounting plate, a rotating seat is arranged below the mounting plate, the rotating seat and the mounting plate are connected and fixed through a rotating mechanism, a plurality of compressing cylinders are fixedly arranged on the outer side of the mounting plate in an array mode, compressing plates are arranged at the output ends of the compressing cylinders, the pressing plates are driven by the pressing cylindersto abut against the inner wall of the upper end of a chemical tank, and therefore the chemical tank is fixed. The cleaning device is simple and reasonable in structure, adjusting wheels drive force bearing plates to slide under the driving of an adjusting motor, the force bearing plates drive cleaning rods to slide through guide rods, so that the adjustment of cleaning radius is completed to adaptto chemical tanks with different radiuses; and the height of water spraying strips is equal to the height of cleaning brushes, so that the washing is integrated, and the practicability is high.

The invention provides a high-performance axial flow fan for range hoods, which includes a casing and a centrifugal wind wheel installed in the casing and driven by a motor. The centrifugal wind wheel is at least composed of radially distributed arc-shaped blades, adjacent An air duct is formed between the arc-shaped blades, and the air duct is inclined toward the air outlet of the fan along the direction from inside to outside. The inclined air duct design makes the high-pressure wind generated by the centrifugal fan rebound to the exhaust outlet of the fan after hitting the inner wall of the casing, and will not enter the centrifugal fan again. The turbulence between the inner walls of the casing improves the overall fluid dynamic efficiency of the fan, thereby reducing the movement wind resistance of the centrifugal fan, enabling the centrifugal fan to rotate at high speed and generate high-pressure air above 600Pa, so that the grease in the oil fume can condense into small oil Drops, improving the separation of oil and fat.

The invention provides a chain transmission. A chain is connected to a driving wheel and a driven wheel, and a tensioning wheel is connected with the chain. And a plurality of fan-shaped speed change plates are uniformly arranged on the left side of the driving wheel gear ring and are connected with the driving wheel in a left-right inserting manner. Arc-shaped edges on the speed change plates are arranged to be of chain rack structures, and chain racks on all the speed change plates are located at the outer ends of the gear rings on the driving wheels. A transmission head is arranged on each speed change plate, and a left through groove, a working groove and a right through groove are formed in the bottom end face of each transmission head. The adjuster is connected to a shaft sleeve of the rotating shaft, and a piston rod in the adjuster corresponds to the bottom end face of each transmission head. When the driving wheel drives the speed change plate and the transmission head to rotate forwards or backwards around the rotating shaft, the piston rod on the adjuster can be matched with the working groove in the transmission head to push the speed change plate to be overlapped with or separated from the driving wheel. The speed change plate overlapped with the driving wheel can change the perimeter of the driving wheel in a chain rack adding mode, and therefore the chain transmission speed can be adjusted.

The invention discloses a heavy-load carrying vehicle, and aims to solve the problem that the cargo carrying efficiency and safety of workers are affected when a carrying vehicle in the prior art is used. The heavy-load type carrying vehicle comprises a bearing vehicle body. A supporting plate and a driving plate are arranged on the bearing vehicle body; a plurality of self-locking rollers are rotationally connected to the bottom of the supporting plate, and a handheld part is arranged on the driving plate; one end, far away from the driving plate, of the limiting plate is rotationally connected with a limiting roller; a plurality of anti-skid lines distributed in an array mode are arranged on the peripheral wall of the limiting rolling wheel, and a limiting device used for controlling the limiting rolling wheel to rotate is arranged on the limiting plate. According to the heavy load type carrying vehicle, the bearing vehicle body can controllably move and stop through the limiting device, and therefore, the cargo carrying efficiency and safety of workers can be guaranteed.

The bar clamping guide wheel mechanism for the refiner comprises a fixing base, a bar placing mechanism, a guide wheel mechanism and a pressing wheel limiting mechanism are arranged on the fixing base, the bar placing mechanism is used for placing a to-be-machined bar, the guide wheel mechanism is used for driving the to-be-machined bar to rotate, and the pressing wheel limiting mechanism is used for limiting the to-be-machined bar to rotate. The pressing wheel limiting mechanism is used for limiting a bar to be machined on the bar placement mechanism; the guide wheel mechanism comprises a rotary driving mechanism and a guide wheel, the rotary driving mechanism is connected with the fixed seat, the output end of the rotary driving mechanism is connected with the guide wheel, and the rotary driving mechanism is used for driving the guide wheel to rotate. The guide wheel is driven by the rotary driving mechanism to rotate, and the guide wheel drives the bar to synchronously rotate on the bar placement mechanism, so that the accurate grinding machine can uniformly grind the outer circumferential surface of the drill point, the concentricity of the bar and the drill point is improved, and the machining requirement of a high-precision micro drill is met.

The invention discloses a hopper lifting device, an automatic chemical filling system and a one-step rubber fining production system. The hopper lifting device comprises a vertical framework, a preparation hopper, a lifting device and a lifting drive device. The lifting device reciprocates up and down along the vertical framework through the lifting drive device. The preparation hopper is connected with the lifting device. The lifting drive device is arranged on the vertical framework and comprises a driving chain wheel and three driven chain wheels. A ring chain is arranged on the driving chain wheel and the three driven chain wheels. The chain is connected with the lifting device. The driving chain wheel drives the driven chain wheels to rotate when rotating, then the ring chain is driven to rotate up and down, and thus vertical movement of the preparation hopper connected with the lifting device is achieved. The requirement for space height of a workshop is reduced, the applicability is higher, and meanwhile pollution to the environment is reduced.

The invention provides a light filtering protection structure for ophthalmology laser surgery, the light filtering protection structure for ophthalmology laser surgery comprises a protection mechanism, the protection mechanism comprises a sleeve, an eye tube is clamped in the sleeve, a slot is formed in the eye tube, and a switching mechanism is inserted in the protection mechanism. According to the light filtering protection structure for the ophthalmic laser operation, the eye cylinder is rotated to drive the inserting groove to rotate, the position of the inserting groove is judged through the indicating block, when the inserting groove rotates to the position where a light filter is needed, the button at the corresponding position is pressed, the button enables the lifting wheel to be powered on and rotate, the lifting wheel drives the inserting plate to be away from the storage box through the tooth groove, and the lifting wheel stops rotating; the switching wheel is powered on to rotate, the switching wheel drives the insertion plate to rotate to the horizontal position, the lifting wheel drives the insertion plate to slide towards the insertion groove, the insertion plate is inserted into the insertion groove through the switching wheel and the switching hole, and therefore the effects that the optical filter can be automatically replaced, replacement is convenient, and touch is avoided are achieved.

The invention relates to a rapier machine power auxiliary stabilizing device. The rapier machine power auxiliary stabilizing device comprises a box body, a rapier transmission wheel rotationally installed at the side end of the box body and a rapier belt meshed with teeth on the rapier transmission wheel; when a rapier machine needs to work, a motor is started, a reciprocating rotating mechanism is driven to drive a transmission shaft to rotate, then the rapier transmission wheel drives the rapier belt to transversely move left and right, wefting insertion is completed, in the process, when the rapier transmission wheel drives the rapier belt to reciprocate back and forth, a reset mechanism is extruded to move, a brake plate is driven to move on the inner side of a brake ring and is finally attached to the brake ring, the rapier transmission wheel stops rotating, after the rapier transmission wheel stops rotating, and the reciprocating rotating mechanism continues to drive the rapier transmission wheel to rotate; in the movement process of the motor, vibration force generated in the operation process of the motor is absorbed through a damping assembly, and noise generated in the operation process of the rapier machine is reduced; and the rapier transmission wheel is stopped by the brake plate before rotating reversely, and the rapier transmission wheel is driven to rotate to drive the rapier belt to move after stopping is completed.

The invention relates to the technical field of artwork painting, and particularly relates to a three-dimensional painting device for art design. The three-dimensional painting device can be suitablefor painting work of high artworks, the height of the three-dimensional painting device can be conveniently adjusted, different coatings are stored in a classified mode, the structure is novel, and the practicability is improved. The three-dimensional painting device comprises a base, a driving motor, two sets of threaded rods, a coating box, a plurality of sets of pigment boxes, a plurality of sets of arc-shaped plates and a step table, wherein a cavity is formed in the rear side of the top end of the base; threaded pipes are rotatably connected to the left side and the right side of the inner bottom wall of the cavity; the top ends of the two sets of threaded pipes penetrate through the inner top wall of the cavity and extend out of the cavity; driven wheels are connected to the bottomsof the outer sides of the two sets of threaded pipes in a sleeving mode; the driving motor is installed on the rear side of the top end of the base; the output end of the driving motor is connected with a transmission shaft; the bottom end of the transmission shaft extends into the cavity and is rotatably connected to the inner bottom wall of the cavity; two sets of driving wheels are connected tothe outer side of the transmission shaft in a sleeving mode; and the two sets of driving wheels are connected with the two sets of driven wheels through belts correspondingly.

The invention relates to the technical field of e-commerce, and discloses an e-commerce Bluetooth earphone capable of adjusting the size of a receiver, and the earphone comprises a shell, the inner wall of the housing is fixedly connected with a driving shaft, the outer side of the driving shaft is engaged with a transmission wheel, the outer side of the transmission wheel is movably connected with a supporting rod, and the interior of a sleeve rod is fixedly connected with a cam. And the interior of the cam is fixedly connected with a top ball, the interior of the cam is slidably connected with a stop lever, the interior of the cam is fixedly connected with a limiting wheel, and the interior of the sleeve rod is slidably connected with an extrusion plate. According to the e-commerce Bluetooth earphone capable of adjusting the size of a receiver, the driving shaft rotates to drive the transmission wheel to rotate, the transmission wheel drives the support rod to swing, the support roddrives the bracket to slide, the bracket drives the gear to move, the gear drives the rotating wheel to rotate through the transmission rope, and the rotating wheel drives the earplug to swing. Through cooperation use of the earplugs and the sleeve rod, the effect of automatically adjusting the size of the receiver is achieved.

The invention relates to a wet coal sample mixing rotary division machine which comprises a material mixing machine shell, a material mixing funnel is arranged in the material mixing machine shell, a discharging port is formed in the lower end of the material mixing funnel, and a conveying belt is arranged on the lower side of the discharging port; the scraping plate is fixedly installed on the inner wall of one side of the mixing machine shell and located between an upper conveying belt and a lower conveying belt of the conveying belt, and the outer wall of one side of the scraping plate makes contact with the lower conveying belt; the material receiving machine shell is located on one side of the material mixing machine shell, a separation material box is placed in the material receiving machine shell and located at the tail end of the conveying belt in the conveying direction, and an edge cover is movably installed on the outer wall of the upper side of the separation material box. The conveying belt drives feeding through a driving wheel and a transmission wheel at the two ends, the conveying belt is located at the upper end of the mixing hopper, a mixing rotating blade is arranged in the mixing hopper, and a mixing motor arranged at the top drives the mixing rotating blade to rotate to mix wet coal.