41results about How to "Good transmission precision" patented technology

The present invention relates to a gear and its production method. Said gear is made up by using several toothed sheets with identical tooth outline and superimposing them in the mode of aligning tooth profile or alternating them in a certain order, and fixedly connecting them. Its production method includes the following steps: punching thin sheet into toothed sheet, suporimposing toothed sheetsand connecting them together by mechanical process or adhesive process in the mode of aligning their tooth profile and alternating them according to a certain order to form a whole body gear.

The present invention discloses a spiral disc type friction transmission self-adaption automatic speed change drive assembly for an electric motor car. The spiral disc type friction transmission self-adaption automatic speed change drive assembly comprises a box body, a transmission shaft, a slow gear transmission mechanism, and a mechanical intelligent self-adaption speed change assembly by utilization of disc type friction transmission; and the slow gear transmission mechanism comprises an overrunning clutch, an inner ring of the overrunning clutch sleeves a transmission shaft sleeve, and an inner circle of the inner ring is provided with a spiral cam used for being cooperated with the transmission shaft sleeve. The spiral cam output structure is adopted by the inner ring of the overrunning clutch, the spiral cam is disposed on the transmission shaft sleeve, use of end cams is reduced, and the spiral cam has good flexibility and is sensitive to resistance. The overrunning clutch has the possibility of multiple cam transmission, sensibility and stability of disengaging and engaging of friction transmission are ensured by utilization of the disc type friction transmission, axial dimension of a speed changer is reduced, and the spiral disc type friction transmission self-adaption automatic speed change drive assembly is suitable for hubs and has relatively good flexibility and high transmission precision during the speed change process.

The invention discloses a multichannel combined optical filter wheel. A mode of combining a plurality of optical filter wheels is adopted in the scheme, the mature high-precision gear transmission technology is used for realizing the automatic orderly rotation of the plurality of optical filter wheels, the automation degree is high, and the transmission precision is good; furthermore, the structure of the device can be designed according to the required number of the optical filter wheel, the integral volume is optimized, the structure is compact, and the combined optical filter wheel can be placed in front of a focusing face of a multispectral camera, thereby realizing the multi-channel multi-wave spectral data acquisition.

The invention discloses a thick wire diameter magnetic loop automatic winding machine and a winding method thereof, which have high working efficiency, low labor cost, high working precision, uniformwire arrangement and stable clamping. The automatic winding machine for thick wire diameter magnetic loop coil in the invention comprises a machine table and wire feeder respectively arranged on the machine table, Manipulator, magnetic clip ring indexing device, Cable-clamping device for that first time, wire winding and pulling device, A line cut and clamping arm and a unloading table, the manipulator is arranged between the wire feeder and the magnetic clip ring indexing device, the first cable clamping and pulling device is arranged behind the magnetic clamping ring indexing device, The wire winding and pulling device is arranged at the rear of the magnetic clip ring indexing device and under the first wire clip and pulling device, the wire clipping arm is arranged in front of the magnetic clip ring indexing device, and the unloading table is arranged at one side of the magnetic clip ring indexing device. The invention is applicable to the field of magnetized winding.

The invention provides a high-precision circular grating assembly device, and relates to the field of precision instruments. According to the invention, a grating base presses and fixes a rotary platform to be tested; an upper end cap is disposed on the upper part of the grating base and is fastened and connected to the grating base; the upper end cap is wider than the top part of the grating base; the center of the upper end cap is equipped with a lifting ring; a bearing is sleeved on the upper part of the grating base; a reading head turntable is sleeved on the exterior of the bearing; the upper part and the side part of the reading head turntable are covered with cover caps; the reading head turntable employs an oil lubricated ring sliding surface for axial positioning; the inner side of the reading head turntable is provided with a grating reading head; and the radial inner side of the grating reading head is provided with a grating reflection ring which is sleeved on a conical step of the central part of the grating base, wherein the grating reading head presents a non-contact state with the grating reflection ring in a radial opposite direction, and the grating reflection ring is of annular structure of metallic material and has good resistance to mechanical impact.

The invention provides a portable aircraft skin drilling device, and specifically belongs to the field of industrial manipulators. The device comprises a base, a vertical column, an extending arm, a rotating arm and a drilling mechanism, wherein a chuck for fixing is arranged at the first end of the base, and a second rotating platform is arranged at the second end of the base and is fixedly connected to the first end of the vertical column; the second end of the vertical column is movably connected to the first end of the extending arm, and the second end of the extending arm is movably connected to the first arm of the rotating arm; a second rotating platform is arranged on the second end of the rotating arm, and the drilling mechanism is arranged on the second rotating platform and linearly moves on the surface of the second rotating platform. The whole device is compact and small in structure, convenient to operate and carry, and simple in structure, and meets the demand o drillingin the surface of a skin with a complex shape.

The present invention discloses a tire post-inflation apparatus having a novel transmission structure. The tire post-inflation apparatus mainly comprises a vertical column; a first chuck arranged on a first cross beam fixedly connected with the vertical column; and a second chunk arranged on a second cross beam slidably connected with the vertical column relative to the first chuck, wherein the second cross beam is connected with a lead screw through a nut seat, a first chain wheel is sleeved on the lead screw, the first chain wheel and a second chain wheel form a transmission connection, and the second chain wheel is arranged on a motor. According to the present invention, under the premise of meeting of all the functions of the conventional post-inflation, the structure is substantially simplified, the whole work process of the post-inflation is optimized, and the precision and the quality of the tire are improved.

A process for mounting a funicular element in a shed forming device of a weaving loom of a Jacquard type wherein at least one end of the funicular element is fixed on a pulley adapted to receive the funicular element and which pulley is driven in rotation by an electrical rotary actuator. A device is provided for removably connecting the funicular element to the actuator.

The invention discloses a cycloid planetary transmission gear based on line-surface conjugation, and relates to a cycloid planetary transmission gear which comprises a cycloid pin wheel planetary transmission meshed pair. A smooth curve line inverted L (2) is selected on a gear surface of a gear in the meshed pair, the main normal vector direction is consistent with the normal direction of the gear surface, and the curve line inverted L (2) and the gear surface of another gear in the meshed pair form line-surface conjugation mesh; the gear surface of the gear is a tubular meshed surface which is a sphere family enveloping surface sigma (3) of which the sphere center moves along an equidistant line inverted L (3); the equidistant line inverted L (3) is a smooth curve line which has a distance of r from the main normal vector direction; the spherical radius of spheres in the sphere family is the distance r between the equidistant line inverted L (3) and the smooth curve inverted L (2), and the r is less than the minimum curvature radius of the meshed section of the original gear surface. According to the invention, through changing the cycloid planetary transmission into the line-surface conjugation meshed pair, the meshed process is in the mode of point contact, the transmission ratio is great, the rigidity is good, the structure is compact, the transmission accuracy is high, the mesh can be approximately to pure rolling, the sliding ratio can be reduced greatly, thus the efficiency is improved greatly, the service life is improved, the manufacturing is simple, and the accuracy is high.

The invention provides a direct drive mower driving wheel with a built-in outer rotor motor and a mower. The direct drive mower driving wheel with the built-in outer rotor motor comprises a driving wheel body formed by assembling a wheel lateral cover I, a wheel lateral cover II and a wheel body clamped between the wheel lateral cover I and the wheel lateral cover II, wherein a cavity is defined by the wheel lateral cover I, the wheel lateral cover II and the wheel body, the outer rotor motor is installed in the cavity, an outer rotor part of the outer rotor motor is fixedly arranged relative to the driving wheel body, an inner stator part of the outer rotor motor is provided with a fixing shaft which penetrates through the wheel lateral cover I and extends to the outside of the driving wheel body, and a shaft hole I through which the fixing shaft penetrates is formed in the wheel lateral cover I. According to the direct drive mower driving wheel with the built-in outer rotor motor and the mower, the outer rotor motor is installed inside the driving wheel and directly drives the mower driving wheel, the transmission accuracy and reliability are good, and the inner space of the mower is more reasonable.

The present invention relates to one kind of electromechanical unit and control method for arc indexing cam mechanism. The electromechanical unit consists of mainly motor and its controller, positioncoder, arc indexing cam box, coupling and base. By means of running dynamic torque disturbance compensating algorithm, the motor control is compensated actively to reduce the effect of cam mechanism caused by load change. The present invention can raise the positioning precision of arc indexing cam mechanism and reduce the impact and noise of the arc indexing can mechanism produced in running.

The invention aims to provide a high-speed steering wheel type sorting system. The high-speed steering wheel type sorting system is used for solving the problems that conveying flexibility is poor, and small packages and soft packages cannot be conveyed due to the fact that mutual gaps between the parts with an effective conveying function are too large in the prior art. The system comprises a support set used for forming the support for component parts and locating the component parts, a driving set used for realizing a steering actuation sorting function of the logistics transportation, a transportation set used for realizing the conveying action of the logistics packages above, and a transmission set used for providing power of the actions for the driving set and the transportation setabove. The high-speed steering wheel type sorting system has the advantages of being high in integration level, small in size, small in the gaps among transportation components and the like, and further has the advantages of being flexible in transportation and steering, high in sorting efficiency, good in conveying stability and not prone to package jamming.

The invention discloses a three-dimensional solid modeling method for a non-circular gear pair with an involute tooth profile. The method includes: according to a transmission ratio function and a center distance, obtaining point coordinate values on pitch curves of a driving wheel and a driven wheel in the non-circular gear pair in an EXCEL table; importing the point coordinate values into UG NXsoftware to obtain a driving wheel pitch curve and a driven wheel pitch curve, creating a gear blank on the basis of the driving wheel pitch curve and the driven wheel pitch curve, and obtaining a solid model of the non-circular gear by defining the initial positions and relative movement of the gear blank and the slotting cutter model and adopting a motion simulation means, so as to enble the obtained three-dimensional model transmission precision to be superior to that of a tooth profile conversion method. The modeling process is simple, no complex calculation process exists, and the calculation amount is small; a three-dimensional model of the non-circular gear pair is obtained by adopting a UG NX motion simulation technology, programming is carried out without designing an algorithm, and the development difficulty is low.

The invention relates to the technical field of linear transmission, in particular to a totally-enclosed type linear module. The totally-enclosed type linear module comprises a base, a driving component, a transmission assembly and a transmission seat, wherein the driving component is arranged at one end of the base, the transmission assembly is arranged inside the base and is in driving connection with the driving component, the transmission seat is movably arranged to the transmission assembly, the side, provided with the transmission seat, of the base is provided with a sealing steel piece,two ends of the base are provided with pressing plates to fix the sealing steel piece to the surface of the base, the surface of the base is provided with positioning grooves, each positioning grooveis provided with a blocking edge, the blocking edge sides are provided with magnets to adsorb the sealing steel piece, the sealing steel piece penetrates into the transmission seat, the transmissionseat is internally provided with a lever to support the sealing steel piece up, and the positions, located on two sides of the lever, of the transmission seat are provided with roller shafts to pressthe sealing steel piece. According to the totally-enclosed type linear module, by means of the arrangements of the positioning grooves and the absorption actions of the magnets, the sealing steel piece is adsorbed to realize sealing transmission, the fact that the sealing steel piece keeps stable transmission in the high-efficiency transmission process can be guaranteed, the transmission efficiency is high, the stability is good, and the sealing strength is high.

The invention relates to a laser cutting machine. The laser cutting machine comprises a frame, a laser cross beam and a cutting mesh plate, wherein the cutting mesh plate is arranged on the frame in a sliding manner through a sliding track arranged on the frame. The cutting mesh plate is a steel plate cutting mesh plate or a cloth cutting mesh plate, wherein support points are arranged at mesh nodes of the steel plate cutting mesh plate. Transmission racks are arranged on the two sides of the frame, and a gear meshed with the transmission racks is arranged on the laser cross beam. A plurality of reinforcing rods are arranged at the middle part of the frame. According to the laser cutting machine disclosed by the invention, the cutting mesh plate is arranged on the frame in the sliding manner for facilitating the drawing and replacement of the cutting mesh plate, so that the different needs for cutting steel plates and cloth can be met; simultaneously, the laser cross beam adopts rack-gear transmission, thereby having better transmission precision; and furthermore, the plurality of the reinforcing rods are arranged on the frame, thus the frame is more stable during cutting operation and the need of performing faster cutting operation can be further met.

The invention provides a machining machine tool for spiral bevel gears. The machining machine tool comprises a workpiece box and a tool box. M workpiece spindles which stretch in parallel and are usedfor mounting workpieces are sequentially arranged and integrated in the workpiece box, a workpiece motor is fixedly arranged on the workpiece box, and the workpiece motor drives the M workpiece spindles to synchronously rotate through a workpiece synchronous transmission mechanism. N tool spindles which stretch in parallel and are used for mounting machining tools are sequentially arranged and integrated in the tool box, a tool motor is fixedly arranged on the tool box, and the tool motor drives the N tool spindles to synchronously rotate through a tool synchronous transmission mechanism. M is equal to N, and N is 2 or 3. The sequential distribution direction of the M tool spindles is equal to that of the N workpiece spindles, the adjacent intervals of the M tool spindles are equal to those of the N workpiece spindles, thus, the M tool spindles correspond to the N workpiece spindles one to one, and then the M spiral bevel gears are simultaneously machined.

The invention discloses a transmission method and transmission structure for circulating conveying trays. According to the transmission method, the multiple trays are connected with a synchronous beltof a synchronous belt transmission mechanism, under driving of the synchronous belt transmission mechanism, the multiple trays can rotate along a working platform circularly, multiple supporting wheels are arranged on the bottom of each tray, by means of contact cooperation of the multiple supporting wheels and the working platform, the trays and delivery boxes placed on the trays are supported,a guide rail mechanism is arranged on the working platform, a guide wheel mechanism is arranged on the bottom of each tray, and by means of contact cooperation of the guide rail mechanism and the guide wheel mechanisms, precise transmission of the trays is achieved. According to the transmission method and the transmission structure, the supporting performance is good, the transmission precision is high, the transmission structure is simple, and the manufacturing cost is reduced.

The invention discloses an electric air compressor, and belongs to the field of air compressors. The electric air compressor comprises a machine body and a cylinder cover arranged on the machine body.The cylinder cover is provided with an air inlet cavity and an air outlet cavity which is connected with an exhaust port. An air cylinder body, a crank case and a motor support are included. A flow guiding plate is arranged in the air outlet cavity and divides the air outlet cavity into an upper exhaust channel and a lower exhaust channel. A middle circulation hole communicates between the upperexhaust channel and the lower exhaust channel. The exhaust port communicates with the upper exhaust channel. Compressed air inflows from the lower exhaust channel and enters the upper exhaust channelafter passing through the middle circulation hole, and then the compressed air is exhausted from the exhaust port. The air cylinder body, the crank case and the motor support are of an integrated structure, and the center axis of a crank cavity and the center axis of a motor rotation shaft cavity are coaxially arranged. The electric air compressor has the beneficial effects that the work noise ofthe air compressor can be effectively lowered, and coaxiality of a transmission system is guaranteed.

The invention discloses a double-shaft numerical control rotary table comprising a tilting shaft, a rotating shaft and a supporting mechanism. On the basis of combination of the cycloidal pin wheel reducer with the double-shaft numerical control rotary table, the transmission rigidity is guaranteed and the transmission precision is improved. The double-shaft numerical control rotary table has highpracticability.

The truss manipulator comprises a Z-axis aluminum alloy box body, a positioning installation connecting base is installed on the Z-axis aluminum alloy box body, a left organ plate is installed at one end of the positioning installation connecting base, and a right organ plate is installed at the other end of the positioning installation connecting base; a first X-axis main cross beam is installed at the rear end of the left organ plate. The truss manipulator for stamping carrying and material taking is special mechanical equipment designed for stamping carrying and material taking, the manipulator is divided into an upper shaft, a lower shaft, a left shaft and a right shaft, the front shaft and the rear shaft are driven by high-precision servo, vacuum negative-pressure adsorption materials are grabbed and can be replaced by electromagnets, advanced PLC control is applied, a touch screen is adopted as a human-computer interface, and the manipulator is high in automation degree. The machine body is bent and welded, the strength is high, the deformation is small, the sliding block is low in noise and good in stability, and the absolute value servo motor is matched with the planetary precision speed reducer, so that the transmission precision is good.