37results about How to "Circumferential force uniform" patented technology

The application discloses a mechanical clamp jaw with anti-deviation positioning function and relates to the technical field of mechanical clamp jaws.The mechanical clamp jaw comprises two groups of jaw bodies arranged in the interior of an assembly body and used for assisting in clamping assembly of a direct-current contactor.The direct-current contactor comprises an upper shell and a lower shell.The mechanical clamp jaw triggers an inner elastic support structure through a clamping process linkage, can support the inner wall of a weak recessed opening of the upper shell of the direct-current contactor by a support plate when clamping the upper shell, effectively balances clamping extrusion force, restricts the inward collapse and distortion of the opening edge, accurately maintains the original size and shape of the opening, guarantees the basic matching precision of the openings of the upper and lower shells, and automatically completes the accurate alignment and communication of the openings of the upper and lower shells by relying on an anti-deviation positioning assembly to adaptively rotate and correct the lower shell with placement deviation during the assembly butt joint process of the shells, so that the problems of shell clamping deformation, assembly alignment deviation and assembly failure that are prone to occur in traditional clamp jaws are solved.

The application relates to the technical field of grinding equipment, and particularly discloses an electric tool output shaft mandrel positioning grinding equipment. The electric tool output shaft mandrel positioning grinding equipment comprises a spindle box and a grinding device, the spindle box is provided with a spindle, the spindle is provided with a self-centering clamping mechanism, the grinding device comprises a rack, a first driving device and a second driving device, the rack is provided with a rotating disc through a hollow shaft base, a plurality of sliding grooves are arranged on the rack, sliding seats are arranged in the sliding grooves, hollow guide pins and axles are arranged on the sliding seats, and a grinding wheel and a driven wheel are arranged on the axles; a guide groove matched with the hollow guide pins is arranged on the rotating disc, the rotating disc is driven by the second driving device, and all the driven wheels are driven by the first driving device. When fine grinding is carried out, the grinding wheel simultaneously works around the output shaft mandrel, the circumferential grinding cutting forces on the output shaft mandrel are offset, and the problems of position deviation, bending deformation and machining vibration caused by unilateral force on the output shaft mandrel are avoided, and the fine grinding precision is obviously improved.

The utility model discloses an anti-leakage ferrule type pipe joint which comprises a joint body, a conical ferrule and a nut, wherein the conical ferrule is arranged outside a pipeline in a sleeving mode, and the nut is used for locking the conical ferrule. A conical sealing face matched with the conical clamping sleeve is arranged in the connector body, a first sealing groove is formed between the conical sealing face and the conical clamping sleeve, and a first sealing ring is embedded in the first sealing groove. A second sealing groove is formed between the conical clamping sleeve and the pipeline, and a second sealing ring is embedded in the second sealing groove. A third sealing groove is formed between the connector body and the pipeline, a third sealing ring is embedded in the third sealing groove, the conical clamping sleeve is sleeved with a locking ring, the outer wall of the locking ring is provided with a plurality of locking teeth, and the locking teeth are annularly distributed at equal intervals. And meanwhile, the sealing performance of multiple contact surfaces is kept, and the firmness of the sealing ring is improved through the pressing block abutting against the sealing ring.