3results about How to "Small size deformation" patented technology

The utility model provides a conducting ring and a motor, and belongs to the conducting ring technical field, the conducting ring comprises an annular piece, the annular piece is provided with a mounting hole and a riveting hole, the riveting hole and the mounting hole are aligned in the thickness direction of the annular piece, and the hole bottom of the riveting hole is provided with a wave-shaped indentation surface; in the corresponding mounting hole and riveting hole, a solid part between the wavy indentation surface and the hole wall of the mounting hole is set as a flow deformation part; one part of the conductive fiber bundle is arranged in the mounting hole, the other part of the conductive fiber bundle extends out of one port of the mounting hole, and the hole wall of the mounting hole tightly hoops the conductive fiber bundle so that the conductive fiber bundle and the mounting hole can be riveted. The conductive ring has the beneficial effects that the structural design of the conductive ring is very ingenious, the riveting hole can be fully extruded, and the wavy indentation surface can enable the flow deformation part to generate more reasonable and accurate deformation flow, so that the hole wall of the mounting hole completely hoops a conductive fiber bundle, and the service life of the conductive fiber bundle is prolonged. And the riveting strength and the conductivity between the conductive fiber bundle and the annular piece are improved.

The utility model relates to the field of precision casting, and specifically discloses a multifunctional shell making tool for large gas turbine blades, which comprises a force-bearing flat plate, the force-bearing flat plate is provided with a sliding groove, a sliding member is slidably connected in the sliding groove, a wax mold fixing member is detachably connected to the sliding member, a mechanical hand connecting member is fixedly connected to the force-bearing flat plate, and overturning connecting members are fixedly connected to the two sides of the force-bearing flat plate; the utility model can simultaneously make shells for blades with different numbers of pieces on one shell making tool, improves production efficiency, reduces the shell making tool design and manufacturing links for different types of blades, reduces the research and production costs of the tool, simultaneously reduces the storage and management costs of the tool, realizes shell making for different types of blades, expands the application range of the tool, effectively guarantees the stability of the shell during the shell making process, significantly reduces the size deformation of the castings, ensures that the product size precision meets high standard requirements, and improves product quality.

The utility model discloses a reinforcing bar node strengthening connecting device and a reinforcing mesh, which belong to the technical field of reinforcing bar connection, and comprise a first connecting piece, a second connecting piece and an angle adjusting piece, the first connecting piece and the second connecting piece are respectively connected with two ends of the angle adjusting piece; the first connecting piece comprises a first half shaft sleeve, a second half shaft sleeve, a rotating joint and a locking structure, the first half shaft sleeve and the second half shaft sleeve are connected through the rotating joint to form a sleeve for locking a reinforcing steel bar, and the locking structure is arranged at the closed position of the first half shaft sleeve and the second half shaft sleeve. The structure of the second connecting piece is the same as that of the first connecting piece, the first connecting piece and the second connecting piece are connected with different reinforcing steel bars respectively, the connecting angle of the reinforcing steel bars can be adjusted in advance or temporarily on site through the angle adjusting piece, and the strength of connecting reinforcing steel bar joints and the accuracy of angle positioning are improved; and the transition connection strength and the shape stability between large components or different components are improved.