16results about How to "No lubrication" patented technology

The invention relates to the technical field of wet blank transfer, in particular to an arc-shaped guide rail servo synchronous follow-up device which comprises an arc-shaped guide follow-up mechanism and a motor driving mechanism. The arc-shaped guide follow-up mechanism comprises an arc-shaped guide plate and a lifting mounting plate; the motor driving mechanism comprises a motor mounting plate, a driving motor, a driving wheel, a double-groove guide wheel and a traction rope; the driving motor is mounted on the motor mounting plate; a curved groove is formed in the circumferential surface of the driving wheel; the first end of the traction rope is connected with the first end of the arc-shaped guide plate, and the second end of the traction rope sequentially bypasses the first annular guide groove, the curve-shaped groove and the second annular guide groove, penetrates out of the right end of the first arc-shaped rail and is connected to the second end of the arc-shaped guide plate. The arc-shaped guide plate is driven by the motor in a traction rope wire pulling mode to move precisely, and the device has the advantages of being high in environmental adaptability, free of lubrication, free of pollution, stable and reliable in synchronous transmission, high in motion precision, light in action mass (weight), low in consumption and efficient.

The utility model discloses a speed reducer service life testing device. The speed reducer service life testing device comprises a test bench, a motor flange plate used for installing a servo motor, a speed reducer installing plate used for installing a speed reducer to be tested, and a torque sensor, wherein the motor flange plate, the speed reducer installing plate and the torque sensor are arranged on the test bench from front to back. The servo motor is connected with the speed reducer through an input shaft, and the speed reducer is connected with the torque sensor through an output shaft. The experiment table is provided with a plurality of key bars, a connecting plate and a mounting plate, the supporting assembly is connected with the key bars in a matched mode through mounting grooves, and the servo motor, the speed reducer, the torque sensor and the flange shaft are coaxially mounted. A positioning key strip is arranged on the test bench, and if the specification of the detected speed reducer needs to be replaced, the coaxiality in the horizontal direction is ensured while the length distance of a transmission chain is adjusted.

The invention relates to the field of mechanical equipment, in particular to a pipeline direct connection type air suspension turbine vacuum pump which comprises a shell, the shell is through in the front-back direction, a motor is installed in the shell and comprises a motor sleeve, a motor stator is installed in the motor sleeve, a motor rotor is rotatably installed in the motor stator, and an impeller is installed on the motor rotor. A radial air bearing used for supporting a motor rotor to rotate is installed in the shell, the motor sleeve and the shell are mutually spaced, a spaced cavity of the motor sleeve and the shell forms a main channel for airflow to pass through, the motor sleeve is through front and back, an inner cavity of the motor sleeve forms an auxiliary channel for airflow to pass through, and a sealing cover plate is installed on the front side of the motor sleeve. The impeller is located in front of the sealing cover plate, the sealing cover plate seals the opening in the front side of the motor sleeve, and a plurality of flow dividing holes are formed in the sealing cover plate and penetrate through the sealing cover plate. A double-channel structure is arranged in the vacuum pump, air inlet drainage can be directly used for cooling a main machine, and meanwhile the air outlet pressure of a single-channel structure is relieved.

The utility model belongs to the technical field of couplings, particularly relates to a hybrid non-contact magnetic transmission coupling, and aims to solve the problems that the conventional magnetic coupling can only perform radial transmission during use, and if the torque is not enough, a hybrid magnetic coupling is adopted, and a group of axial magnetic poles are added to the hybrid magnetic coupling. And the radial transmission and the real axial transmission can be realized at the same time. The device comprises a protective cover and a positioning roller, the positioning roller is located in the protective cover, a magnetic outer rotor is fixedly installed on the inner wall of the protective cover, a magnetic inner rotor is fixedly installed on the outer side of the positioning roller, an installation mechanism is arranged on the protective cover, an isolation cover is fixedly installed on the right side of the protective cover, and a transmission shaft is installed on one side of the isolation cover. The utility model has the advantages of non-contact transmission, high-efficiency transmission, adjustability, no need of lubrication and the like, the energy efficiency is improved, the maintenance work is reduced, and the axial transmission and the torque force are increased.

A two-stage nutating reducer based on magnetic transmission includes a box body with an opening facing right, an input shaft is passed through the left side of the box body, a nutating magnetic gear for nutating motion is arranged at the right end of the input shaft, an output shaft is arranged at the right side of the box body, a rotating disk matched with the nutating magnetic gear is arranged at the left end of the output shaft, the nutating magnetic gear and the box body are connected by a first magnetic transmission group, and the nutating magnetic gear and the rotating disk are connected by a second magnetic transmission group. The invention has a compact structure and high reliability. Due to the use of two-stage nutating transmission, the transmission ratio is large and the transmission is stable; based on magnetic non-contact transmission, there is no wear, low vibration and noise, no need for lubrication, and an overload protection function.

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 present disclosure relates to a kind of rotating speed detection device and magnetic suspension bearing system, belong to magnetic suspension motor technical field, rotating speed detection device includes control panel and silicon steel sheet assembly, silicon steel sheet assembly includes multiple layering silicon steel sheet groups;Along the length direction of silicon steel sheet assembly, silicon steel sheet assembly includes first end and second end, first end and second end are all set first probe and second probe;First probe and second probe are oppositely arranged at the same end of silicon steel sheet assembly, and the interval between first probe and second probe is greater than or equal to the thickness of silicon steel sheet group;Coil is wound on first probe and second probe respectively, and coil is connected with control panel.The rotating speed detection device of the present disclosure has strong anti-interference ability, strong output signal, wide measurement range, low maintenance cost, and the operation of rotating speed detection device does not need mechanical action, does not need lubrication, compact structure, easy to install.

This utility model belongs to the field of flow valve technology, specifically providing a flow valve based on an iris mechanism, including a valve body assembly, an iris opening and closing mechanism, a small bevel gear, a sleeve bearing, a flange bearing, an upper end cover, and an air source connector. The valve body assembly includes a valve body and a first ring body. The iris opening and closing mechanism includes an end face flange assembly, a large bevel gear assembly, a gate, and a guide block. The end face flange assembly includes an end face flange and a third ring body, and the large bevel gear assembly includes a large bevel gear and a second ring body. The included angle between the shafts of the small bevel gear and the large bevel gear is 90°, thereby changing the transmission direction. The iris opening and closing mechanism of this utility model drives the bevel gear to cause the gate to retract inward or expand outward, realizing the gate closing and opening functions. The flow valve of this utility model has a simple structure, good adjustment linearity, and can achieve high-precision adjustment over a large flow range, improving production efficiency and reducing production costs.

The utility model provides a gear-driven two-shaft steering engine holder structure, belongs to the field of video shooting equipment, and solves the technical problems of complex structure, large size and high cost of the conventional two-shaft holder structure. The device comprises a conductive slip ring, a horizontal steering engine, a horizontal bearing, a fixed main gear, a rotating pinion, a vertical steering engine, a vertical steering engine bracket, a rotating shaft, a limiting shifting piece and a limiting switch, the horizontal steering engine is responsible for the horizontal rotation motion of the whole holder; power transmission is achieved through a pair of non-metal gears, self-lubrication is achieved, the weight is light, and operation is stable. The vertical steering engine is responsible for the vertical rotary motion of the whole holder; a bearing structure is arranged, the steering engine does not bear radial force, and the service life of the steering engine is prolonged. According to the utility model, the conductive slip ring is arranged, so that a wire cannot be wound to cause faults during horizontal rotation; according to the utility model, the limiting structure is arranged, so that when rotating in the vertical direction, the rotating motion can be stopped when moving to a limit position.

The utility model relates to the field of steelmaking continuous casting, in particular to a device for measuring the thickness of a high-carbon chromium bearing steel red hot casting blank on line with high precision, which comprises a fixed arm base, a fixed arm body, a movable rod sleeve, a main ruler, a movable rod handrail, a vernier and a movable rod, the movable rod sleeve is fixedly arranged on the fixed arm body, the movable rod can slide up and down in the movable rod sleeve, the main ruler is fixedly arranged on the fixed arm body, the movable rod handrail is fixedly connected to the movable rod, the vernier is fixedly connected to the movable rod, and the main ruler can slide up and down in the vernier. The device can measure the thickness of the high-carbon chromium bearing steel red hot casting blank more conveniently and accurately, and is simple in structure, low in cost, long in service life and easy to operate.

The invention discloses a novel permanent magnet synchronous double-shaft type grinding electric spindle, which relates to the technical field of machining, and comprises a driving shaft and a driven shaft, the driving shaft is provided with a rear machine body, a stator assembly, a rotor assembly, an upper bearing assembly, an aluminum water jacket and a lower bearing gland, and the driven shaft is integrally arranged at the lower end of the driving shaft. The driven shaft comprises a front machine body, a coupler, a driven bearing assembly, a dustproof cover, a dustproof cap assembly and a grinding wheel assembly. According to the double-shaft type grinding electric spindle, the rigidity is improved by optimizing the bearing span, the double shafts are connected through the plum blossom type elastic coupler buffer pad, the deep hole grinding integrated forming technology is achieved, deep holes within 300 mm can be machined at a time, meanwhile, the efficiency and the power density are improved through the permanent magnet synchronous motor, the spindle is designed to be provided with a cooling liquid channel, and a cutter is cooled in real time; machining precision is improved, space and cost are saved, and the performance and the service life of the motorized spindle are comprehensively improved.

The utility model discloses a lifting device and a lifting connection device. The lifting device comprises a supporting structure, the supporting structure comprises at least one supporting assembly, the supporting assembly is used for containing a base plate, each supporting assembly comprises a first base, the first base is provided with a plurality of sets of supporting units, and the supporting units are connected with the base plate; the lifting structure comprises a driving part, the output end of the driving part is provided with a steering assembly, the steering assembly is connected with at least one lifting assembly and converts rotary motion into vertical motion, and the lifting assemblies are connected with the first base so as to drive the base plate to ascend or descend. According to the utility model, the single driving piece drives the lifting assemblies through the steering assembly, so that synchronous lifting of multiple supporting points is ensured, and inclination or clamping stagnation of the substrate is avoided; the steering assembly converts the horizontal rotating motion of the driving piece into the vertical direction, and the problem that the precision of a traditional pneumatic / hydraulic system is insufficient due to pressure fluctuation is solved.

The utility model relates to the technical field of bottle blowing devices, in particular to a large infusion plastic bottle blowing device based on a diaphragm type combined pneumatic valve, which comprises a bottle blowing gas circuit, a first diaphragm valve, a second diaphragm valve and a third diaphragm valve, a first diaphragm valve, a bottle blowing opening and a third diaphragm valve are sequentially arranged in the direction from the gas inlet end to the gas outlet end of the bottle blowing gas circuit, and the first diaphragm valve and the second diaphragm valve are connected in parallel on the bottle blowing gas circuit; the first diaphragm valve and the second diaphragm valve are used for providing air with different air pressures for the air blowing opening, the bottle blowing opening is used for installing a bottle blank, the third diaphragm valve is used for exhausting, and the diaphragm type pneumatic valve has the remarkable advantages of being free of lubrication, high in response speed, small in friction force, long in service life and the like. The problems that in the using process of an electromagnetic valve, a ball valve, a gate valve and a piston type pneumatic valve, friction particles are generated, and lubrication is needed, and consequently the product quality is affected can be solved.

The rotation driver comprises a lower shell, a diameter-variable inner circular ring structure, a double-layer metal sheet circular ring and a cover plate, the lower shell is composed of a circular bottom plate and an outer circular ring structure arranged on the periphery of the circular bottom plate, and the inner circular ring structure is concentrically and fixedly connected with the lower shell; the perimeter of the double-layer metal sheet circular ring is larger than that of the outer circular ring structure, the double-layer metal sheet circular ring is arranged between the inner circular ring structure and the outer circular ring structure and partially concaves inwards to form a bubble buckling structure, and the outer side face of the non-concaved part of the double-layer metal sheet circular ring is attached to the inner side face of the outer circular ring structure. The inner side surface of the concave part is in contact with the outer side surface of the inner circular ring structure; transmission pieces and heating pieces are arranged on the left side and the right side of the lower portion of the cover plate and make contact with the inner side face of the double-layer metal sheet circular ring; the cover plate covers the lower shell and is concentrically and rotatably connected with the lower shell, and an output shaft is arranged on the cover plate. The rotary driver is simple in structure, low in energy consumption, free of lubrication and adjustable in output torque.

The invention relates to a one-piece wrench (1) for indicating whether an applied torque is within a predetermined range, comprising: a one-piece handle (30); a head (20) for accommodating an element to be screwed or unscrewed using the wrench; -defining an outer contour of the maximum dimension of the wrench; -a torque range indicator (10) housed in the inner opening located entirely within the outer contour, where the torque range indicator comprises an amplifying mechanism (10A) for amplifying the deformation of the head relative to the handle upon actuation of the wrench, and further comprises an indicating element (10B) located on the amplifying mechanism for indicating the deformation of the head relative to the handle upon actuation of the wrench. The torque range is indicated according to the relative displacement of the head relative to the handle. The invention further relates to application of the single wrench.

The utility model discloses a large-torque multipurpose diaphragm coupling for a motor, which relates to the technical field of torque transmission of electromechanical equipment and comprises a diaphragm group, a first rivet sleeve and a second rivet sleeve. According to the utility model, multiple layers of stainless steel diaphragms are laminated to form the diaphragm group, and the hollow rivet sleeve and the threaded rivet sleeve are combined, so that large torque can be effectively transmitted; the diaphragm group has good elasticity, so that stable operation of equipment can be ensured; the complex structure of a traditional coupler is abandoned, modular design is adopted, and only bolt connection is needed during installation; after being installed in place at a time, only fine adjustment is needed, and large movement is not needed; the diaphragm coupling can be applied to different torque systems, and is convenient to disassemble, assemble and replace, good in wear resistance and free of lubrication; the large-torque multipurpose diaphragm coupling for the motor is superior to a traditional coupling in structure and performance, can meet high requirements of modern industrial production for couplings, and has wide application prospects.