Permeate tube member correction device

A permeate tube member correction device, comprising:

• a first fixed support (1) and a second fixed support (1), wherein the first fixed support (1) is rotatably connected to a rotating shaft (2), and the second fixed support (1) is fixedly mounted with a fixed plate (3) composed of a first disk and a second disk, a diameter of the first disk is smaller than a diameter of the second disk, an end of the rotating shaft (2) away from the first fixed support (1) to which it is connected is installed with a trigonal bracket (4) with an arc-shaped top angle, and an end of the trigonal bracket (4) away from the rotating shaft (2) is rotatably connected to the first disk of the fixed plate (3);
• an end surface of the trigonal bracket (4) away from the fixed plate (3) is provided with three circular grooves (40) uniformly arranged along a circumferential direction of the rotating shaft (2), and the trigonal bracket (4) is mounted with holding rings (41) that are evenly arranged along the circumferential direction of the rotating shaft (2) and concentric with the three circular grooves (40), each of the holding rings (41) is provided with sliding grooves (42) uniformly arranged along a circumferential direction of each of the holding rings (41), the sliding grooves (42) are connected to guide strips (43) through compression springs, the guide strips (43) are mounted with arc-shaped bearing plates (45), all arc-shaped bearing plates (45) on each of the holding rings (41) tightly abut together to form a cylindrical structure, each of the holding rings (41) is installed with an opening and closing assembly (5) for driving a movement of the arc-shaped bearing plates (45);
• the first fixed support (1) is fixedly installed with a fixed sleeve (10) that is sleeved on the rotating shaft (2) and rotatably connected to the trigonal bracket (4), and an outer side wall of the fixed sleeve (10) is connected to a Z-shaped bracket (11) capable of sliding along an axial direction of the fixed sleeve (10), an end of the Z-shaped bracket (11) away from the fixed sleeve (10) is mounted with a retaining disk (12), the retaining disk (12) is rotatably connected to a hollow mandrel (13), an outer side wall of the hollow mandrel (13) is equipped with receiving covers (15) evenly arranged along a circumferential direction of the hollow mandrel (13) by return springs (14), each of the receiving covers (15) is rotatably connected to a correction roller (16) and mounted with a push rod (17) penetrating the outer side wall of the hollow mandrel (13), a first end of the hollow mandrel (13) away from the retaining disk (12) is slidably connected to a resisting rod (18) penetrating into the hollow mandrel (13), the resisting rod (18) is sleeved with cone columns (19) that are evenly arranged and push the push rod (17) to move, a diameter of each of the cone columns (19) gradually decreases toward the retaining disk (12), a tension spring (20) sleeved on the resisting rod (18) is connected between an inner wall of the hollow mandrel (13) and each of the cone columns (19) close to the trigonal bracket (4), an inner ring surface of each of the holding rings (41) is mounted with a fixed ring (21) through a rib plate, and a positioning cylinder (22) with an opening facing the rotating shaft (2) is rotatably connected in the fixed ring (21);
• the opening and closing assembly (5) comprises balance bases (50) arranged uniformly along the circumferential direction of each of the holding rings (41) and installed on each of the holding rings (41) by connecting rods, an end surface of each of the balance bases (50) away from the connecting rods is provided with a guide groove, a convex surface of each of the arc-shaped bearing plates (45) is mounted with a balance bar (51) slidably connected to the guide groove, an extension spring (52) is connected between the balance bar (51) and the guide groove, an end surface of the balance base (50) close to each of the arc-shaped bearing plates (45) is provided with a mounting groove (53), the mounting groove (53) and the inner ring surface of each of the holding rings (41) are both equipped with transition shafts, the transition shafts in the holding rings (41) are evenly arranged along the circumferential direction of each of the holding rings (41) and correspond to the sliding grooves (42) in one-to-one correspondence, a drive disk (54) is slidably connected in each of the three circular grooves (40), an end of the drive disk (54) away from each of the holding rings (41) is mounted with a T-shaped bar (55) penetrating the trigonal bracket (4), a push spring (56) sleeved on a horizontal segment of the T-shaped bar (55) is mounted between the drive disk (54) and each of the three circular grooves (40), the balance bar (51) and each of the guide strips (43) are both equipped with ropes, the ropes go around the transition shafts and then are connected to the drive disk (54), the ropes all run through each of the holding rings (41), a locking assembly (57) that drives the T-shaped bar (55) to move is installed on the fixed plate (3);
• the locking assembly (57) comprises an annular groove (570) arranged on an end surface of the second disk of the fixed plate (3) close to the rotating shaft (2), an arc-shaped baffle (571) is installed in the annular groove (570), a top of a side wall of the second disk of the fixed plate (3) is mounted with a cylinder (572) by a vertical frame.