3results about How to "Realize fixed limit" patented technology

This utility model discloses an auxiliary tool for replacing walking boards, including a base, a mounting seat fixedly installed on the top of the base, a rotating seat rotatably connected inside the mounting seat, a connecting sleeve rotatably connected to the rotating seat via a slewing bearing, a drive arm disposed inside the connecting sleeve, a sliding part of the drive arm slidably connected to the inner wall of the connecting sleeve, a mounting arm fixedly connected to the bottom end of the drive arm, and a lifting fork fixedly installed at both ends of the bottom of the mounting arm. Using casters installed on the bottom of the base and the base plate, the device can be easily moved to the location of the walking board to be replaced, so that the lifting fork is positioned directly above the gap between the walking boards. The lifting fork is inserted into the gap between the walking boards by the drive arm. Since the connecting sleeve and the rotating seat are rotatably connected via the slewing bearing, the lifting fork is swung left and right by the drive arm to insert it deeper into the gap between the walking boards. The lifting fork is then rotated upwards by the drive arm to lift the walking board to be replaced, thus removing the installed walking board.

The utility model belongs to the sintering field, concretely relates to a kind of bearing plate assembly, including bearing plate and support assembly, support assembly includes stand, positioning pin and clamping piece;Bearing plate is provided with one or more, when bearing plate is provided one, bearing plate is set in the top of stand, and stand is used to support bearing plate assembly in placement position;When bearing plate is provided multiple, adjacent two bearing plates are spaced apart by stand Parallel arrangement, the lowermost bearing plate is provided with stand below;Bearing plate is provided with through-hole on the board face, positioning pin is embedded on the through-hole, clamping piece is embedded with positioning pin and stand simultaneously, for limiting positioning pin on stand. The setting of positioning pin and clamping piece, can be conveniently and quickly the stable fixation of bearing plate to stand, and the fixed limit of stand above and below bearing plate can be realized, improve the overall support effect.

The utility model relates to the technical field of hole flanging dies, in particular to a flow guide ring hole flanging die with a pressing structure, which comprises a lower bottom plate, a striker plate is mounted at the upper end of the lower bottom plate, a central column is arranged on one side of the striker plate, a supporting plate is mounted at the upper end of the central column, a lower die is mounted at the upper end of the supporting plate, and the pressing structure is arranged on the lower die. An upper molded surface block is arranged at the upper end of the lower die, a punch is arranged at the upper end of the upper molded surface block, a transition plate is connected to the upper end of the punch, an upper bottom plate is installed at the upper end of the transition plate, a Misi guide column set is installed at the bottom of the upper bottom plate, and a Misi rectangular spring is arranged on one side of the Misi guide column set. According to the device, the Misi rectangular spring and the punch are additionally arranged, when the device conducts downward pressing and hole flanging, the Misi rectangular spring can drive the upper molded surface block to conduct downward pressing in advance, the punch is made to position a part, and the part is prevented from shaking and shifting during hole flanging.