3results about How to "Avoid vertical movement" patented technology

The utility model discloses a positioning jig applied to laser welding of a motor end cover, which comprises a fixed base, the fixed base is provided with a casing positioning die and a positioning core rod which are coaxially arranged, the positioning core rod is embedded in a core rod mounting hole of the casing positioning die, and the upper end part of the positioning core rod extends to the upper end side of the casing positioning die; the positioning jig applied to laser welding of the motor end cover further comprises an auxiliary pressing rod which is vertically arranged, the auxiliary pressing rod is located over the positioning core rod, and the auxiliary pressing rod and the positioning core rod are coaxially arranged. The periphery of the machine shell positioning die is rotationally sleeved with a rotating disc, the upper surface of the rotating disc is provided with a positioning pin shifting mechanism and a machine shell positioning block with the position adjustable, and the positioning pin shifting mechanism is provided with an end cover positioning pin which is horizontally and transversely arranged. By means of the structural design, the welding angle adjusting device has the advantages of being novel in structural design, good in welding positioning stability and high in adaptability, and the welding angle between the motor shell and the motor end cover can be adaptively adjusted.

The utility model discloses a kind of metal composite material walkway plates, comprising: footpath cantilever support, footpath cantilever support is spacedly arranged multiple along the length direction of prefabricated beam, the fixed end of multiple footpath cantilever support is fixedly connected with prefabricated beam;Steel grating frame, steel grating frame is multiple, the length direction of each steel grating frame Two ends are respectively overlapped and fixed on adjacent two footpath cantilever supports;Continuous no-alkali glass fiber felt reinforced polyurethane rigid foam plate, polyurethane rigid foam plate is multiple, and it is flatly fixed on multiple steel grating frames;Guardrail, guardrail is fixed on the cantilever end of footpath cantilever support.The footpath step plate is combined use by steel grating frame and polyurethane rigid foam plate, can greatly improve the durability of footpath step plate, and has the advantages of light weight, high strength.

The application relates to the cutting technical field and discloses a machining device for planetary gear shafts, which comprises a base, a cutting mechanism for simultaneously cutting a plurality of planetary gear shafts is arranged on the base, a vertical screw rod is rotationally connected to the base, a guide rod is fixedly connected to the base, a lifting block is threadedly connected to the vertical screw rod, and the lifting block is slidably connected with the guide rod; a plurality of positioning parts are equidistantly arranged on the lifting block along the length direction of the lifting block, the positioning part comprises a positioning block symmetrically fixed to the lifting block, an inclined surface for abutting against the planetary gear shaft is arranged on the positioning block, the two inclined surfaces of the positioning part are oppositely arranged, and the distance between the two inclined surfaces of the positioning part gradually increases from top to bottom; and the machining device further comprises a driving mechanism for driving the vertical screw rod to rotate. The scheme mainly solves the problem of low production efficiency of the existing cutting device in the cutting processing mode for the batch planetary gear shafts.