3results about How to "Flexible limit" patented technology

The application provides a prefabricated pier column assembly structure for a high pier of a bridge, which comprises a pouring pedestal, a mounting groove is arranged in the middle of the top end of the pouring pedestal, and a plurality of reinforcing ribs are arranged on the bottom of the inner cavity of the mounting groove; a pier column body is arranged in the mounting groove, a plurality of plug-in holes matched with the reinforcing ribs are arranged on the bottom of the pier column body; a connecting seat is arranged above the pouring pedestal, and a slot with the same size as the mounting groove is arranged in the middle of the top end of the connecting seat. The straight-angle trapezoidal limiting block, the ball on the inclined surface of the straight-angle trapezoidal limiting block and the rotating roller close to the side of the slot play a good guiding and friction-reducing role in the installation process of the pier column body, the pier column body is conveniently positioned in the mounting groove, the requirement for the operation technology of the crane driver is reduced, the construction efficiency is improved, and the limiting assembly can flexibly limit pier column bodies with different heights.

The utility model discloses a kind of LED lamp panel clamps, it includes: work platform, fixed component, the upper surface of the work platform is provided with intercommunication groove and sliding slot, the left and right sides of the sliding slot are evenly provided with first guide slot and second guide slot, the inner surface of the first guide slot is slidably connected with first guide column, the inner surface of the second guide slot is slidably connected with second guide column. Through the intercommunication groove and sliding slot of work platform intercommunication, space is provided for each component linkage, the first guide slot and the second guide slot of the two sides of sliding slot are slidably matched with the first guide column and the second guide column respectively, can accurately guide guide column to move, the spacing baffle between the two guide columns can slide stably with guide column, quickly adapt to workpieces of different sizes, the overall structure is through the cooperation of multiple components, realize flexible spacing to workpiece, improve positioning accuracy and efficiency, and sliding fit is smooth, convenient to operate, enhance the practicality and stability of clamp.

The utility model discloses a plate heat exchanger convenient to disassemble, which relates to the technical field of plate heat exchangers and comprises a front end plate, upper guide rods are fixedly connected to positions, close to corners of two sides of the upper end, of the front end plate, and lower guide rods are fixedly connected to positions, close to corners of two sides of the lower end, of the front end plate. A front fixing block is fixedly connected to the middle position of the lower end of the front end plate, a reciprocating lead screw is rotatably connected to the rear end of the front fixing block, a rear end plate is slidably connected to the upper guide rod and the lower guide rod, a rear fixing block is fixedly connected to the middle position of the lower end of the rear end plate, and the rear fixing block is in threaded connection with the reciprocating lead screw; the reciprocating lead screw is driven by the motor to rotate, the rear end plate is in sliding connection with the upper guide rod and the lower guide rod, and the universal wheels are in auxiliary moving design, so that the rear end plate can quickly and stably move relative to the front end plate, the heat exchanger can be easily opened in a short time, convenience is created for taking out plates, and production efficiency is improved.