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CN-224201075-U - Eccentric adjusting device of continuous rolling speed reducer for coiling machine

CN224201075UCN 224201075 UCN224201075 UCN 224201075UCN-224201075-U

Abstract

The utility model relates to an eccentric adjusting device of a continuous rolling speed reducer for a coiling machine, which effectively solves the problems that the existing speed reducer adjusting mode needs to be stopped and disassembled, has low adjusting precision, is inconvenient to adjust without stopping and disassembling, and affects efficiency. This rolling reduction gear's eccentric adjusting device for coiling machine passes through eccentric ring structure and adjustment mechanism's setting, can directly rotate adjustment mechanism with the help of outside instrument, thereby can drive eccentric ring structure rotation, carry out eccentric adjustment to inner structure, realize exempting from to tear open and adjust, adjustment time has been shortened greatly, can drive eccentric ring structure and carry out fine adjustment to the speed reducer structure through adjustment mechanism, improve the regulation precision, make the speed reducer meshing effect better, and can not influence the state of speed reducer operation to eccentric ring structure dynamic adjustment, can in time adjust the compensation to the position that meshing precision decayed, in order to guarantee the normal continuous operation of production line, improve production efficiency.

Inventors

  • MAO QING
  • LIU YUNTING
  • Jiao Jianting
  • FAN LI
  • YU ZHONGLIANG
  • Liu Hanshe
  • WANG XI

Assignees

  • 洛阳市永基重载齿轮有限公司

Dates

Publication Date
20260505
Application Date
20250530

Claims (7)

  1. 1. The eccentric adjusting device of the tandem rolling speed reducer for the coiling machine comprises an outer sleeve (1) and an outer sealing end cover (2) and is characterized in that an eccentric ring structure is connected to the inner portion of the outer sleeve (1) in a rotating mode, a bearing sleeve (3) is embedded in the inner portion of the eccentric ring structure, a cylindrical roller bearing (4) is connected to the inner portion of the bearing sleeve (3) through a spline, the outer sealing end cover (2) and the outer sleeve (1) are coaxially and correspondingly arranged at the end portion of the outer sleeve (1) in a fixed mode, and an adjusting mechanism for driving the eccentric ring structure is arranged in the outer sealing end cover (2) in a penetrating mode and is in transmission connection with the eccentric ring structure.
  2. 2. The eccentric adjusting device of the continuous rolling speed reducer for the coiling machine, which is characterized in that a speed reducer transmission shaft (5) is arranged at the center of the outer sealing end cover (2) in a penetrating manner, and the speed reducer transmission shaft (5) is arranged inside the bearing inner ring of the cylindrical roller bearing (4) in a penetrating manner.
  3. 3. The eccentric adjusting device of the continuous rolling speed reducer for the coiling machine according to claim 2 is characterized in that the outer sealing end cover (2) is fixedly connected with a rubber sealing ring (6) which can ensure air tightness close to the inner ring of a speed reducer transmission shaft (5), a framework oil seal (7) which can prevent oil leakage is sleeved outside the rubber sealing ring (6), and the framework oil seal (7) is arranged inside the outer sealing end cover (2).
  4. 4. The eccentric adjusting device of the continuous rolling speed reducer for the coiling machine, which is characterized in that the eccentric ring structure comprises a rotating sleeve ring (8), an eccentric groove (9) and an internal spline (10), wherein the rotating sleeve ring (8) is rotationally connected inside the outer sleeve pipe (1) and in clearance fit with the inner part of the outer sleeve pipe (1), the eccentric groove (9) is formed in the rotating sleeve ring (8), the internal spline (10) is fixedly connected inside the rotating sleeve ring (8) and is close to one end of the outer end sealing cover (2), and the axle center of the rotating sleeve ring (8) and the axle center of the eccentric groove (9) are eccentrically arranged.
  5. 5. The eccentric adjusting device of the continuous rolling speed reducer for the coiling machine, which is disclosed in claim 4, is characterized in that the bearing sleeve (3) is fixedly connected inside the eccentric groove (9), the bearing outer ring of the cylindrical roller bearing (4) is connected inside the bearing sleeve (3) through a spline, and the axes of the cylindrical roller bearing (4), the bearing sleeve (3) and the eccentric groove (9) are in the same straight line.
  6. 6. The eccentric adjusting device of the tandem rolling speed reducer for the coiling machine, which is characterized in that the adjusting mechanism comprises an adjusting rod (11), an external spline shaft (12), a rotating plate (13), a rotating piece (14) and a locking bolt (15), wherein the adjusting rod (11) axially penetrates through the side face of the outer end-sealing cover (2) and penetrates through the inside of the rotating sleeve ring (8), one end, close to the outer end-sealing cover (2), of the inner side wall of the rotating sleeve ring (8) is fixedly connected with a supporting plate (16) and the adjusting rod (11) penetrates through the inside of the supporting plate (16), the external spline shaft (12) is fixedly connected with one end, penetrating through the inside of the rotating sleeve ring (8), of the adjusting rod (11) and meshed with an internal spline (10), the rotating plate (13) is fixedly connected with one end, far away from the external spline shaft (12), of the adjusting rod (11) and is attached to the side face of the outer end-sealing cover (2), and the rotating piece (14) is fixedly connected with the circle center of one side, far away from the adjusting rod (11).
  7. 7. The eccentric adjusting device of the tandem rolling speed reducer for the coiling machine according to claim 6, wherein threaded holes (17) are formed in the side face of the rotating plate (13) and are a plurality of threaded holes (17), the plurality of threaded holes (17) are formed in the side face of the rotating plate (13) in a ring-shaped array, and the locking bolt (15) penetrates through one of the threaded holes (17) and is in threaded connection with the side face of the outer sealing end cover (2).

Description

Eccentric adjusting device of continuous rolling speed reducer for coiling machine Technical Field The utility model belongs to the technical field of speed reducer adjusting devices, and particularly relates to an eccentric adjusting device of a continuous rolling speed reducer for a coiling machine. Background The coiling machine is used as core equipment of a continuous rolling production line, and the speed reducer of the coiling machine needs to run for a long time under the working conditions of high torque (more than or equal to 500 kN.m), strong impact (overload coefficient 2.5+), and high temperature (less than or equal to 150 ℃). The conventional speed reducer has the problem of meshing precision attenuation in the debugging and running processes, and the gear pair is influenced by alternating impact load and thermal deformation, so that the gear direction error is out of tolerance, the tooth surface unbalanced load rate is increased, and faults such as exceeding vibration and tooth breakage can be caused, and the stable running of the production line is influenced. The existing speed reducer adjusting mode mostly needs to be stopped and disassembled, conflicts with continuous production requirements of continuous rolling lines, depends on experience of workers in adjusting precision, is inconvenient to adjust the speed reducer in a non-stop and non-disassembly mode in the operation process of the speed reducer, is inconvenient to carry out fine dynamic adjustment on meshing conditions of gear pairs of the speed reducer, and is long in single adjusting time, and production efficiency is affected. Disclosure of utility model Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the eccentric adjusting device of the continuous rolling speed reducer for the coiling machine, which can realize disassembly-free adjustment, greatly shortens the adjusting time, can drive the eccentric ring structure to finely adjust the speed reducer structure through the adjusting mechanism, improves the adjusting precision, ensures that the meshing effect of the speed reducer is better, can dynamically adjust the eccentric ring structure under the state of not influencing the operation of the speed reducer, and can timely adjust and compensate the position of the meshing precision attenuation so as to ensure the normal continuous operation of a production line and improve the production efficiency. The utility model provides an eccentric adjusting device of tandem rolling speed reducer for coiling machine, includes outer tube and outer end cover, the inside of outer tube rotates and is connected with eccentric ring structure and eccentric ring structure's inside is embedded to have the bearing housing, there is cylindrical roller bearing the inside of bearing housing through spline connection, outer end cover and the coaxial corresponding and fixed mounting of outer tube are at the tip of outer tube, the inside of outer end cover wears to be equipped with the adjustment mechanism and the eccentric ring structure transmission of being used for driving eccentric ring structure and is connected. Preferably, a speed reducer transmission shaft is arranged at the center of the outer sealing end cover in a penetrating manner, and the speed reducer transmission shaft is also arranged inside the bearing inner ring of the cylindrical roller bearing in a penetrating manner. Preferably, the outer end cover is close to the rubber seal ring that can guarantee the gas tightness of inner circle fixedly connected with of speed reducer transmission shaft, the outside of rubber seal ring has cup jointed the skeleton oil blanket that can prevent the oil leak and skeleton oil blanket setting is in the inside of outer end cover. Preferably, the eccentric ring structure comprises a rotating lantern ring, an eccentric groove and an internal spline, wherein the rotating lantern ring is rotationally connected inside the outer sleeve and in clearance fit with the outer sleeve, the eccentric groove is formed in the rotating lantern ring, the internal spline is fixedly connected to one end, close to the outer seal end cover, inside the rotating lantern ring, and the axle center of the rotating lantern ring and the axle center of the eccentric groove are eccentrically arranged. Preferably, the bearing sleeve is fixedly connected in the eccentric groove, the bearing outer ring of the cylindrical roller bearing is connected in the bearing sleeve through a spline, and the axes of the cylindrical roller bearing, the bearing sleeve and the eccentric groove are in the same straight line. Preferably, the adjusting mechanism comprises an adjusting rod, an external spline shaft, a rotating plate, a rotating piece and a locking bolt, the adjusting rod axially penetrates through the side face of the external sealing end cover and penetrates through the inside of the rotating sleeve ring, one end, close to the ex