6results about How to "No lubrication" patented technology

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 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 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.