10results about How to "Improve pipe penetration efficiency" patented technology

The invention relates to the technical field of heat exchanger manufacturing, in particular to a tube penetrating robot for a tube bundle type heat exchanger, which comprises a tube penetrating workbench, a tube placing assembly is arranged at the rear part of the table top of the tube penetrating workbench, a heat exchange tube to be penetrated is placed on the tube placing assembly, and a robot body is arranged in the middle of the tube penetrating workbench. The end of a mechanical arm of the robot body is provided with a tube grabbing and conveying assembly used for grabbing and conveying a heat exchange tube, and the end of the heat exchange tube is provided with a detection assembly used for detecting the tube penetrating state when the heat exchange tube passes through a tube plate hole. Through the arrangement of the detection assembly, in the pipe penetrating process, when the guiding inclined face of the detection assembly corresponds to a pipe plate hole, the heat exchange pipe can be corrected through guiding of the inclined face, control over the tolerance skewness degree is achieved, and when the pipe opening of the heat exchange pipe excessively deflects, shutdown of the robot body can be controlled through a signal so that deflection correction can be carried out, and the working efficiency is improved. Damage to the robot body, the heat exchange tube and the tube plate caused by continuous tube penetrating is avoided, and the stability, safety and efficiency of tube penetrating operation are improved.

The present invention discloses an automatic tube-threading device for a shell-and-tube heat exchanger, which relates to the field of tube-threading for heat exchangers, and comprises a base, a clamping mechanism is arranged above the base, the clamping mechanism comprises a moving platform, an electric telescopic rod 1 is fixed on the moving platform, a moving seat is fixed at the telescopic end of the electric telescopic rod 1, a rotating piece is rotatably connected to a side of the moving seat close to the moving platform, and linkage rods are hinged at both ends of the rotating piece. The automatic tube-threading device for a shell-and-tube heat exchanger can make the tube produce a forward and rotational compound motion, reduce the resistance during insertion, make tube threading easier, and effectively avoid the problem of deformation caused by too much obstruction during tube threading operation. At the same time, the tube drives the guide assembly to pass through the hole of the tube sheet first, and the annular steel brush will scrape and clean the inner wall of the hole of the tube sheet, so that the floating rust and impurity particles in the hole of the tube sheet are cleaned and dropped, and prevent the floating rust and impurity particles from affecting the tube threading operation.

The invention relates to the technical field of heat preservation pipes, in particular to a polyurethane heat preservation pipe heat preservation layer manufacturing process which comprises the following steps that S1, a conveying pipe penetrates through a protection pipe, the two ends of the protection pipe are connected with the conveying pipe through a support, and the protection pipe and the two ends of the conveying pipe are in a concentric state; the material injection opening is formed in the protection pipe, and then the fixing frame is arranged on the conveying pipe. The outer wall of the protection pipe is fixed after pipe penetrating, so that the problem that the thickness of a manufactured heat preservation layer is not uniform due to the fact that the protection pipe is eccentric due to the fact that the protection pipe collapses under the action of gravity is avoided, and therefore on the premise that the use of a wood block support is reduced, the concentricity of the protection pipe and the conveying pipe can still be guaranteed, and the uniformity of the heat preservation layer is guaranteed; in this way, the service life of the polyurethane thermal insulation pipe is prolonged, use of wood block supports is reduced, pipe penetrating can be more convenient, and the manufacturing efficiency of a thermal insulation layer of the polyurethane thermal insulation pipe is effectively improved.

The application discloses a heat exchange pipe threading device and relates to the technical field of heat exchange pipe threading equipment. The heat exchange pipe threading device comprises a feeding mechanism, a baffle fixing mechanism and an end plate fixing mechanism. The feeding mechanism comprises a frame body, a driving assembly and a conveying assembly, and the conveying assembly comprises a clamping part and a plurality of supporting parts. The baffle fixing mechanism comprises a moving frame, a first supporting frame and a second supporting frame, and the second supporting frame is provided with a supporting part and a plurality of pressing parts. The end plate fixing mechanism comprises a fixing frame, a baffle and a plurality of supporting blocks, and the supporting blocks are connected with the fixing frame through first lead screws. The feeding mechanism can be used for flexibly adjusting the position and height of the heat exchange pipe, assisting workers in pipe threading operation, effectively improving pipe threading efficiency, and adapting to different types of components through the baffle fixing mechanism and the end plate fixing structure, so that the components can be clamped and workers can conveniently perform pipe threading operation.

The utility model discloses a kind of pipe leading device for U-shaped tube heat exchanger tube bundle assembly, including two pipe leading components of symmetrical arrangement, pipe leading component includes conical frustum and guide pipe sequentially coaxially arranged, the small mouth end of conical frustum is fixedly connected with guide pipe end, the other end of guide pipe is fixed with fixed nut, connection bolt is screwed into in fixed nut, the hexagonal head of connection bolt is connected with pull plate, the end of pull plate is provided with lifting ring, lead screw is arranged between the pull plate of two pipe leading components, two locating nuts are arranged on the lead screw between two pull plates, two locating nuts are respectively close on corresponding pull plate side surface, lifting ring between two pipe leading components is provided with pull rope. In conclusion, the utility model has the advantages that pipe threading is smooth, heat exchange tube is not damaged, and pipe threading efficiency can be improved.

This utility model relates to the field of wire production technology and discloses a wire threading device for production equipment, including a workbench. A motor is fixedly installed on one side of the workbench via a mounting bracket. A rotating shaft is fixedly sleeved on the output shaft of the motor and rotatably connected to the middle of the inner wall of the workbench. Several main conveying wheels are fixedly sleeved on the surface of the rotating shaft. A first top plate is fixedly installed at the top center of the workbench, and several guide columns are slidably connected inside the first top plate. This utility model forms an upper and lower clamping structure with the driven wheel and the main conveying wheel, which not only provides conveying power but also stabilizes the wire posture, preventing the wire from bending or jumping due to uneven force during conveying, thus improving the threading stability. By using a spring to push the driven wheel to press on the wire, the pressure can be automatically adjusted according to the wire diameter to ensure that wires of different specifications can obtain sufficient friction, avoid slippage, and improve the flexibility of the device.

The utility model discloses an adjustable pipe penetrating machine, and relates to the technical field of pipe penetrating machines, the adjustable pipe penetrating machine comprises an operation table, the front end and the rear end of the lower surface of the operation table are fixedly connected with supporting legs, the interior of the operation table is hollow, a conveying belt is rotatably installed in the operation table, and the outer surface of the conveying belt is fixedly connected with a first fixing block; according to the adjustable pipe penetrating machine, when a worker needs to fix a thermal insulation pipe, one end of the thermal insulation pipe is placed on the first thermal insulation pipe placing block, the other end of the thermal insulation pipe is correspondingly placed on the first thermal insulation pipe placing block, and the thermal insulation pipe is placed on the second thermal insulation pipe placing block; according to the pipe penetrating machine, the thermal insulation pipe can be rapidly fixed only through mutual cooperation of bounce force between two second springs and two first springs, and the fixing efficiency of fixing the thermal insulation pipe when a worker uses the pipe penetrating machine is greatly improved.

The utility model discloses a pipe penetrating tool for a self-coiling braided pipe. The pipe penetrating tool comprises a mounting seat, a sleeve and a connecting column, the mounting seat is fixedly arranged; the front end of the sleeve is provided with a conical pipe penetrating part, the rear end of the sleeve is provided with a connecting hole matched with the pipe diameter of a wire harness to be processed, and the wire harness to be processed is connected with the sleeve by being oppositely inserted into the connecting hole; and one end of the connecting column is fixedly connected with the mounting seat, and the other end of the connecting column is fixedly connected with the sleeve and is arranged in the radial direction of the sleeve, so that when the conical pipe penetrating part penetrates through the self-coiling braided pipe, the two free edges of the self-coiling braided pipe are automatically separated. According to the utility model, the rapid connection with the wire harness of the self-coiling braided tube to be penetrated and the rapid insertion into the braided tube are realized through the sleeve, the overall structural design is simple, the tube penetration step of the self-coiling braided tube is simplified, and the tube penetration efficiency is improved.

The high-pressure heater threading equipment belongs to the technical field of high-pressure heater heat exchange pipe installation, and particularly relates to a high-pressure heater threading equipment. The high-pressure heater threading equipment with the heat exchange pipe straightening function is provided. The high-pressure heater threading equipment comprises a main scissor type lifter (2), an auxiliary scissor type lifter, a heat exchange pipe supporting bottom platform (4), a main sliding lifting table leg (5), an auxiliary sliding lifting table leg (12) and a tensioning support frame (11). The main scissor type lifter (2) is arranged above the heat exchange pipe supporting bottom platform (4), and the lower end base of the main scissor type lifter (2) is connected with the upper end of the heat exchange pipe supporting bottom platform (4). The main sliding lifting table leg (5) is arranged below the heat exchange pipe supporting bottom platform (4), and the upper end of the main sliding lifting table leg (5) is connected with the lower end of the heat exchange pipe supporting bottom platform (4). An upper pulley (1) is arranged below the upper end supporting platform of the main scissor type lifter (2).