4results about How to "Adjustable height position" patented technology

The utility model relates to the technical field of packaging bag sealing machines, in particular to a packaging bag sealing machine for deoxidizing agent production, which comprises a base. Movable grooves are formed in the four corners of the top face of the base, and an empty groove is formed in the middle of the top face of the base. A shaking structure is installed on the base and comprises a backing ring, the backing ring is fixedly installed on the top face of the base, a containing table is movably installed on the top face of the base, guide columns are fixedly connected to the four corners of the bottom face of the containing table, springs are arranged on the outer sides of the guide columns in a sleeving mode, and a motor is fixedly installed in the base. The output end of the motor is fixedly connected with a cam, an adjusting structure is installed on the back face of the base, and the adjusting structure comprises a fixing frame. According to the sealing machine disclosed by the utility model, materials can be driven to shake in a packaging bag through the arrangement of the lifting movable placing table, so that the materials are compacted, a space is vacated in the packaging bag, the packaging bag can be conveniently placed in the sealing machine main body, and the packaging bag can be conveniently sealed.

This utility model discloses an adjustment device for the length of explosive charge, including a chassis, a vertical rod fixed on the chassis, a slider slidably sleeved on the vertical rod, a horizontal rod slidably sleeved on the slider, a fixed block hinged to one end of the horizontal rod, an angle adjustment mechanism for adjusting the angle of the fixed block installed on the horizontal rod, a fixed rod fixedly sleeved inside the fixed block, and a measuring rod of equal length to the fixed rod slidably sleeved inside the fixed block, the measuring rod having graduation lines, and a positioning plate fixed to the bottom end of the measuring rod. The height of the measuring rod extending beyond the fixed rod is the height of the explosive charge to the bottom of the borehole, thus allowing adjustment of the explosive charge length as needed.

The utility model discloses a snow removing device for road accumulated snow, and belongs to the technical field of road cleaning equipment. The vehicle body is provided with a track, the vehicle body is connected with the snow storage bin, the vehicle body is connected with the first fixing block, the first fixing block is connected with the second fixing block, the second fixing block is provided with the first motor, the first motor is connected with the first threaded rod, the sliding plate is provided with a threaded hole and a sliding hole, the first threaded rod is connected with the threaded hole and connected with the first fixing plate, the first fixing plate is arranged on the vehicle body, and the first fixing plate is connected with the sliding rod. The sliding rod is connected with the second fixing block, a long hole is formed in the sliding plate, the second threaded rod is connected with the long hole, the second threaded rod is connected with the second motor, the second motor is arranged on the sliding plate, the connecting block is arranged in the long hole and connected with the second threaded rod, the connecting block is connected with the snow shoveling mechanism, the snow shoveling mechanism is communicated with the snow storage bin through a corrugated pipe, and the conveying mechanism and the snow discharging mechanism are arranged in the snow storage bin. The height and the horizontal position of the snow shoveling mechanism are adjustable; accumulated snow shoveling, conveying and stacking are efficiently completed; and the snow discharging mechanism facilitates follow-up accumulated snow treatment, and the snow removing efficiency is integrally improved.

The utility model discloses a PCB surface tornado dedusting cleaning position adjusting structure which comprises a top adjusting mechanism and a bottom adjusting mechanism, the top adjusting mechanism and the bottom adjusting mechanism are the same in size and structure, and the bottom adjusting mechanism comprises a Z-axis lead screw module and an X-axis lead screw module. The Z-axis lead screw module comprises a bottom plate, a servo motor, a limiting frame, a first lead screw and a lifting plate, and the servo motor and the limiting frame are both fixedly installed at the top end of the bottom plate. And the height positions of the top tornado dust removal assembly and the bottom tornado dust removal assembly can be adjusted through the corresponding Z-axis lead screw modules of the top adjusting mechanism and the bottom adjusting mechanism, products of different heights can be adapted, and the horizontal positions of the top tornado dust removal assembly and the bottom tornado dust removal assembly can be adjusted through the X-axis lead screw modules.