4results about How to "Limit length" patented technology

The utility model relates to the technical field of veneer reeling machines, and provides a roll shaft diameter adjustable thin-wall veneer reeling machine which comprises an outer shell, a rotating roll is rotatably connected to the inner side of the outer shell, a limiting structure is connected between the rotating roll and the outer shell, an adjusting roll is rotatably arranged on the inner side of the outer shell, and the adjusting roll is used for adjusting the diameter. The limiting structure comprises a limiting plate fixedly connected to the position, close to one end, of the outer surface of the rotating roller, the outer surface of the rotating roller is movably sleeved with a movable plate, a fixed plate is fixedly connected to the inner side of the outer shell, a limiting air cylinder is fixedly connected to the surface of the fixed plate, and a connecting plate is fixedly connected between the output end of the limiting air cylinder and the movable plate. The outer surface of the fixing plate is connected with a guide assembly. The guide assembly comprises a guide plate fixedly connected to the outer surface of the fixing plate. According to the technical scheme, the plate rolling machine solves the problem that when an existing plate rolling machine is used for corresponding to plates with different lengths, no limiting structure exists, and deviation is likely to happen when the plates are rolled.

The invention discloses an in-situ heating pasty zone high-temperature mechanical property testing device. The device comprises a stretching device, a left furnace door, a furnace body, a connecting rod, a left water-cooling chuck, a micro-displacement sensor, a test bar, a thermocouple, an induction coil, a ceramic crucible, a heat preservation layer, a right water-cooling chuck, a rigid beam, a bearing beam, a right furnace door, a stress sensor, a vacuum device and a stretching device guide rail support. Under the high vacuum condition, the water flow of a water cooling chuck and the temperature of an induction coil are adjusted, the test bar is cooled to the set paste area temperature after being heated and melted, a stretching device is started, the stretching rate is controlled, and the high-temperature mechanical properties of the metal test bar at different temperatures, cooling rates and stretching rates are measured; the problem that a traditional mechanical property testing device cannot test the mechanical property of the metal when the metal is cooled to a pasty area after being heated or melted is solved, and the mechanical property data of the pasty areas of different metals are filled. The device can quantitatively and accurately test the high-temperature mechanical properties of the pasty zone of the metal under different conditions.

This utility model relates to the field of rewinding machine technology and discloses a feeding device for an automatic rewinding machine, including a main frame. The main frame is equipped with a feeding mechanism and a winding mechanism. The feeding mechanism is located above the winding mechanism on the main frame. The feeding mechanism includes: a vertical plate; a sliding groove disposed on the vertical plate; a limiting plate located directly above the winding mechanism, with both ends sliding vertically within the sliding groove and fitting against the material body wound on the winding mechanism, used to detect the roll thickness of the material body; and a limiting sleeve that slides vertically on the vertical plate, with a height adjustment structure to limit the highest point of the limiting plate's upward sliding. This invention solves the problems of existing devices in monitoring the winding diameter, limiting the fabric roll diameter, and preventing the fabric roll from expanding and loosening after cutting.

The utility model provides a shipping space positioning device for intelligent storage, which belongs to the technical field of storage positioning and is characterized in that a storage rack extending forwards is fixedly mounted on the top wall of a suite body of the shipping space positioning device for intelligent storage, a vertical plate is fixedly mounted on the side wall of the suite body, and a supporting column is rotatably connected to the vertical plate; an overturning plate is fixedly mounted on the supporting column, and is positioned right above the kit body; a fixed end of a first telescopic cylinder is fixedly mounted on the overturning plate, a movable end of the first telescopic cylinder extends backwards, a supporting frame is fixedly mounted at the end of the movable end, two outer sliding rods are slidably connected to the supporting frame, and clamping plates are fixedly mounted at the mutual ends of the outer sliding rods; an opening is formed in the middle of the rear side of the supporting frame, outer sliding sleeves are symmetrically and fixedly installed on the supporting frame and located on the two sides of the opening, and outer sliding rods are slidably connected into the outer sliding sleeves; the technical problem that when a high storage frame is moved to a high position, articles are inconvenient to take is solved.