21results about How to "High transmission precision" patented technology

The utility model relates to the technical field of speed reducer drive structure, and disclose a gear drive structure for speed reducer, including sun gear, gear ring and buffer shock component, the sun gear middle part is equipped with the taper mounting hole, with the taper mounting head of drive link is connected through buffer shock component, and buffer shock component contains the first installation platform of taper mounting hole inner wall, the second installation platform of taper mounting head outer periphery, the disc spring between both and the rubber sleeve of disc spring outer periphery, the inner periphery of gear ring is engaged with planetary gear, and the planetary gear is engaged with sun gear, and the oil cavity is equipped in the planetary gear, and the oil supply groove of outer periphery annular array, the oil supply groove is equipped with oil storage groove in the tooth surface of second wheel tooth two sides, and the oil supply groove is connected with oil storage groove. The utility model can buffer impact, strengthen engagement lubrication, reduce the wear and tear of wheel tooth, promote transmission stability and efficiency, prolong the service life of speed reducer, and be applicable to the speed reducer of industrial, engineering machinery and other fields.

This invention provides a QPQ surface strengthening method for flexible and rigid wheels in harmonic reducers, comprising the following steps: after machining the flexible or rigid wheel, it is sequentially degreased, cleaned, dried, and preheated; the preheated flexible or rigid wheel is nitrided to form a nitrided layer on its surface; the surface of the flexible or rigid wheel is treated mechanically or by tumbling; the polished flexible or rigid wheel is placed in molten oxide salt for oxidation treatment to form an oxide layer on the surface of the nitrided layer; after the oxidized flexible or rigid wheel is air-cooled, it is immediately rinsed with clean water and dried with hot air, and then coated with anti-rust oil. Compared with the prior art, this invention uses low-temperature salt bath nitriding and oxidation treatment, the QPQ process is short, has fewer process steps and is easy to control, and the salt bath can be recycled. The surface hardness of the workpiece reaches 800-850 HV, and the wear rate is reduced by more than 70% compared with the traditional tempering process, significantly extending the service life of the workpiece.

The utility model belongs to mechanical drive technical field provides a kind of double input transmission device, including input shaft, first gear is set on the input shaft and input shaft two ends are connected power source respectively;Synchronizer is set on the input shaft, the synchronizer side is provided with the yoke of pushing the synchronizer and first gear power connection;Output shaft is connected with the first gear transmission. By the above technical solution, the input shaft of the utility model is connected with two power sources simultaneously, the structure is compact, double power source is efficiently compatible, improves system redundancy;The yoke can quickly interrupt power, enhances the flexibility of transmission device.

The utility model discloses a flexible positioning rotation hair picking device for bird's nest, which comprises a rotating workbench, a bottom center of the rotating workbench is connected with an external air source through a rotating joint, a top center of the rotating workbench is provided with a conical table for bearing the bird's nest, a flexible positioning assembly, a hair picking needle, and a gantry. The utility model adopts the structure of the pressure-equalizing air bag array cooperating with the radial push rod, so that all the push rods work under constant pressure, can adaptively adhere to the irregular surface of the bird's nest with different strokes, and provide uniform radial clamping force. The utility model solves the technical problem that the traditional rigid clamp is easy to bruise and crush the bird's nest, greatly reduces the raw material loss rate, and ensures the integrity and economic value of the bird's nest.

The application discloses a harmonic reducer and belongs to the technical field of reducers. The harmonic reducer comprises a flexible gear, a bearing outer ring, a rigid gear and a wave generator. The flexible gear comprises a flexible deformation part which is engaged with the inner side of the rigid gear, a driving part which is located on the outer side of the rigid gear and a connecting part which connects the flexible deformation part and the driving part. The bearing outer ring is located on the outer side of the rigid gear and is fixedly connected with the driving part. The driving part and the bearing outer ring are rotationally matched with the outer side of the rigid gear. The wave generator extends into the flexible deformation part. The harmonic reducer is simple in structure, reduces the number of parts and manufacturing cost, reduces the overall size and weight of the reducer, guarantees high transmission precision and is suitable for robots used in household, public service, scientific research and education and other scenes which pursue low cost and high practicability.

The utility model discloses a multi-directional climbing device for a transmission tower, which comprises a multi-directional climbing module and a base. The multi-directional climbing module includes a clamping mechanism, a climbing mechanism and a steering mechanism. Among them, the clamping mechanism and the climbing mechanism are connected through the steering mechanism. The clamping mechanism is used to clamp or loosen the tower during climbing; the climbing mechanism adopts a screw drive mechanism, and transmits the power of the rotating motor to the ball screw through a synchronous pulley assembly, so as to drive the ball screw platform to complete longitudinal movement; the steering mechanism is used to cooperate with the movement of the clamping mechanism during climbing, so that the device can smoothly turn when reaching the cross arm of the tower. The device of the utility model can climb and cross obstacles, is applicable to transmission towers of different structural types including main material angle steel and cross arms, has a strong load capacity, and can carry maintenance equipment to complete maintenance tasks.

The utility model discloses a cable traction device belongs to cable take -up field, including the casing, the casing single -sided opening, the opening installs the traction motor, installs the traction wheel on the traction motor, the traction wheel below is provided with the compression wheel, the casing is far from the cable storage module of opening one side and is provided with, the cable storage module and the traction wheel between be provided with the tension pulley, be provided with the tension detection module between the tension pulley and the traction wheel, the tension pulley passes through the shift adjusting mechanism and is installed to the casing. Make the cable in the traction process can keep suitable tension, avoid because the tension is too big and leads to the cable excessive tensile damage, or the tension is too small and causes the cable relaxation, and the traction is not smooth etc. problem, effectively improved the quality and efficiency of cable traction, guaranteed the stability and reliability of the traction process.

The utility model relates to the technical field of range extending type automobile, especially increase a kind of active air intake grille structure for range extender, including grille frame, the upper or front area of car rear wheel package is provided with grille mounting hole;Grille frame one end is embedded and fixed in the inboard of grille mounting hole, forms air inlet end, the other end is equipped with air outlet end, for connecting the air intake system of range extender;Drive assembly is located on grille frame, for driving flap to carry out overturning movement, to open or close air inlet end. By arranging air inlet end in the upper or front area of car rear wheel package, and setting flap controlled by drive assembly, active opening and closure to air inlet end are realized. When vehicle is in pure electric driving mode, range extender does not need to work, flap closes air inlet end under the action of drive assembly, effectively reduces vehicle front end airflow interference, reduces air resistance, improves pure electric cruising range;When range extender starts, flap is automatically opened, guarantees engine air intake demand.

The utility model relates to the technical field of double spindles, and discloses a double-spindle box body structure which comprises a spindle box, a fixing piece, a driving assembly and a machining assembly, and the interior of the spindle box is in sliding fit with a guide block of the fixing piece through a guide groove to provide accurate installation. A main shaft hole and an auxiliary shaft hole are used for installing a first main shaft, a second main shaft, a movable groove of a driven shaft fixing piece and a main shaft auxiliary ring to form a rotating pair, stable rotation of the main shafts is guaranteed, in the driving assembly, a servo motor achieves constant-speed reverse rotation of the first main shaft and the second main shaft through a motor synchronous belt, a synchronous gear and a gear synchronous belt, and the machining stability is improved. Power is transmitted to the driven shaft through meshing of the transmission gear and the driven gear, a fixed machining part of the machining assembly is precisely in butt joint with positioning grooves in the front ends of the main shaft and the driven shaft through a fixing ring, when a machining cutter is installed in a fixing end, cutting can be conducted, symmetrical layout is adopted, a plurality of parts can be machined at the same time, the machining period is shortened, and the structure is convenient to maintain.

The utility model discloses a kind of automatic lathe tail nail structure, including connecting plate and mounting plate, one end of the connecting plate is fixedly connected with the described upper end is equipped with chuck moving seat, one end of the chuck moving seat is equipped with first push plate, the first push plate is sleeved on first screw nut, first screw rod is arranged in the inside of the first screw nut, one end of the first screw rod is connected with first coupling, one end of the first coupling is provided with first servo motor, the upper end of the chuck moving seat is provided with adjusting structure. Realized the automation operation of tail nail removal, without manual intervention, effectively improve production efficiency, reduce the labor intensity of worker, suitable for large-scale batch production, adopt the transmission mode of servo motor cooperation screw nut, transmission precision is high, can accurately control the position of workpiece and milling tail nail electric spindle, ensure the precision of tail nail removal, improve product quality.

The utility model relates to the field of panel door, especially a double-panel fluorine-lined panel door with sealing air, which comprises a main body mechanism, an anticorrosion mechanism arranged around the main body mechanism, a guide mechanism arranged inside the main body mechanism, a transmission mechanism arranged at the upper end of the main body mechanism, and a sealing mechanism arranged at the upper end of the main body mechanism. The utility model prolongs the service life of the anticorrosion mechanism and the sealing mechanism extension device, solves the problem that the existing device adopts a single anticorrosion measure of corrosion-resistant metal material, which is expensive and may cause great economic loss due to the expansion of point corrosion to large-area corrosion perforation of duplex stainless steel or high-nickel-based alloy material over time.

The application discloses a double gear pump, a front pump assembly comprises a front pump body and a front cover, a rear pump assembly comprises a rear pump body, the front cover is fixedly connected with the front pump body, the front pump body is fixedly connected with the rear pump body, a front pump connecting portion is arranged between the front cover and the front pump body, a rear pump connecting portion is arranged between the front pump body and the rear pump body, and the front pump connecting portion and the rear pump connecting portion are both provided with a first connecting assembly and a second connecting assembly. The front pump body and the front cover are positioned and connected through the front pump connecting portion, the front pump body and the rear pump body are positioned and connected through the rear pump connecting portion, there is no intermediate body structure between the front pump and the rear pump, and the overall structural compactness and connection stability are improved. Since the second connecting assembly is arranged between the front cover and the front pump body and between the front pump body and the rear pump body, the first connecting assembly of the front pump body and the rear pump body can both achieve the effect of inhibiting movement, the positioning precision and transmission precision of the gear pump are improved, and the volumetric efficiency under various rotational speeds and pressures is improved.

The utility model belongs to lock technical field relates to an integrated mute transmission lock. The utility model, including the lock box body, be connected with the fixed rod on the lock box body, be equipped with the movable rod that can reciprocate along the straight line between the lock box body and fixed rod, be linked through the machine nail connecting piece between the lock box body and fixed rod, be equipped with the installation space in the lock box body. The utility model in the use process, through the machine nail connecting piece will be fixed with the lock box body tightly connected, forms the integrated structure, has reduced the installation step and the part quantity, promotes the installation efficiency, reduces the risk of causing the trouble because of the part loose simultaneously, gear block and rack are directly engaged, compared with traditional multistage transmission structure, reduces the intermediate transmission link, reduces the friction and abrasion, promotes transmission accuracy, directly engages effective transmission noise reduction, realizes the mute effect, improves the door and window use comfort.

This invention discloses an ultrasonic probe and ultrasonic diagnostic device, including a handle, a shaft, and a head end. The shaft is located between the handle and the head end, positioning the head end at a predetermined distance away from the handle. The device also includes: a drive mechanism located within the handle for outputting driving force; a bevel gear transmission mechanism located within the head end and connected to the drive mechanism; and an ultrasonic transducer located within the head end and connected to the bevel gear transmission mechanism, so that when the drive mechanism is operating, the bevel gear transmission mechanism drives the ultrasonic transducer to oscillate. The drive mechanism drives the ultrasonic transducer to oscillate via the bevel gear transmission mechanism. The bevel gear transmission mechanism achieves motion transmission through the meshing of the driving and driven bevel gears, resulting in high transmission accuracy, small transmission backlash, and stable transmission. Therefore, the ultrasonic transducer exhibits high motion accuracy, ensuring the image quality obtained by the ultrasonic transducer.

This invention discloses a high-power-density planetary traction drive. A loading wedge space and a balancing space are formed on both sides of the radial distance circumference between the planetary rollers and the outer ring. A loading roller is located within the wedge-shaped loading space and rolls in contact with the planetary rollers and the outer ring. A balancing idler wheel is provided in the balancing space. The planetary rollers, balancing idler wheel, and loading rollers are all floating, with the loading rollers abutting against the planetary carrier. The torque or counter-torque transmitted by this invention can directly act on the loading rollers, achieving adaptive loading and making the loading process faster and more flexible. Optimization of the load in the contact area also improves the service life of the traction drive. The superposition of contact forces generates a larger clamping force, thereby ensuring sufficient tangential force in each contact area to transmit power. Furthermore, the planetary traction drive provided by this invention can achieve high-load transmission under the load-sharing effect of multiple rollers. The zero-spin design based on cylindrical rollers also minimizes power loss, resulting in high power density and improved transmission accuracy and efficiency.

The application discloses a self-cleaning turnover machine rotary frame guide rail seat, which comprises a supporting base, the upper surface of the supporting base is provided with a guide rail body, a sliding block is slidably connected to the guide rail body, a driving assembly is arranged on one side of the supporting base, and the driving assembly can drive the sliding block to reciprocate along the length direction of the guide rail body. In the utility model, the T-shaped sliding groove at the bottom of the sliding block cooperates with the T-shaped protrusion at the top of the guide rail body, a good guide structure is formed, deviation and shaking of the sliding block during movement are effectively prevented, the accuracy and stability of the movement of the sliding block are improved, and the movement precision of the rotary frame is ensured.

The utility model provides a kind of high-precision robot joint gear transmission structure, it is related to planetary gear technical field, comprising: three planetary gear sets, each planetary gear set includes two gears connected and coaxially arranged, two gears are respectively gear located above as first planetary gear and gear located below as second planetary gear, the first planetary gear and the second planetary gear are all unevenly distributed gear number gear, first flat side and second flat side are respectively provided on the second planetary gear and the first planetary gear;Planet carrier.The utility model has beneficial effects: by adopting three planetary gear sets and the first planetary gear and the second planetary gear are all unevenly distributed gear number gear, and first flat side and second flat side are respectively set on it, cooperate with the mark on planet carrier, the accurate tooth and meshing of planetary gear set are realized, effectively improve transmission accuracy, reduce error accumulation, ensure the high-precision control of robot joint movement.

This invention relates to the field of mechanical seal technology, specifically to a double-end-face split mechanical seal, comprising a split upper flange, a lower flange, an intermediate shell, a transmission seat, a medium moving ring, a medium stationary ring, an atmospheric moving ring, and an atmospheric stationary ring. The transmission seat is fixed on a rotating shaft, and the intermediate shell is sleeved on the outside of the transmission seat. The upper and lower flanges are respectively connected to both ends of the intermediate shell. The atmospheric stationary ring is installed with the upper flange, and the medium stationary ring is installed with the lower flange. The medium moving ring and the atmospheric moving ring are axially connected to both sides of the transmission seat, and a space is left between them to accommodate an elastic element to provide axial clamping force for the moving ring, pushing the moving ring to fit against the end face of the corresponding stationary ring to form a double-end-face sealing pair. The intermediate shell, upper flange, lower flange, and double-end-face sealing pair together form a sealing cavity. At least one of the intermediate shell, upper flange, and lower flange has a fluid interface communicating with the sealing cavity. This mechanical seal has a simple structure and is easy to install.

The utility model relates to the technical field of cylindrical battery production and provide a kind of into shell device.The utility model's into shell device is used to be loaded into to the battery shell inside roll core, this into shell device includes the device main body with shell fixed part and roll core accommodating cavity, roll core push plate is slidably arranged on device main body, and heating element is slidably arranged on roll core push plate;Shell fixed part is used to fix battery shell, roll core accommodating cavity is used to accommodate the roll core to be into shell, and roll core accommodating cavity is located at the side of shell fixed part, and it is coaxially arranged with battery shell;Heating element can be moved to battery shell inside along the axial direction of roll core accommodating cavity, and it is used to heat battery shell;Roll core push plate can push roll core from roll core accommodating cavity into battery shell inside.The utility model into shell device, by battery shell thermal expansion, can improve the smoothness of roll core into shell, and can reduce frictional resistance, reduce the risk of battery damage, to improve production efficiency and product yield.

The utility model discloses a high -efficient transmission case -overturning machine screw rod device, including the support frame of L type structure and with reinforcing plate, the rotation connection threaded screw rod between two support plates of support frame one side, fixed connection guide rod, the sliding sleeve on threaded screw rod and guide rod sliding connection, sleeve connects overturning motor, and the motor output end connects the clamping assembly of containing bidirectional telescopic subassembly, first limit board, L type board and clamping mechanism. The device passes through the optimization structure design, realizes efficient transmission and stable operation, and its clamping assembly can be adjusted flexibly, is suitable for different specifications box body, has improved production efficiency, has reduced equipment maintenance cost, has good application prospect and market value.

This invention relates to the field of transportation equipment technology, and in particular to a closed-track accumulation chain system, comprising a profile track, trolleys, accumulation devices, and a chain. Several trolleys are arranged along the extension path of the profile track and slidably mounted on it. Several accumulation devices are correspondingly mounted on each trolley. The chain is disposed within the profile track. This invention incorporates a short bushing. Because the short bushing is configured such that whenever its corresponding chain link unit moves to a preset position on the profile track, the short bushing rotates circumferentially by a preset angle relative to the chain link unit, the circumferential force position of the short bushing changes compared to the previous rotation. This avoids prolonged stress on a localized circumferential position of the short bushing, thereby preventing circumferential wear and ensuring the transmission accuracy and stability of the chain.