Search

CN-224223799-U - Frock is dismantled to antifriction bearing

CN224223799UCN 224223799 UCN224223799 UCN 224223799UCN-224223799-U

Abstract

The utility model relates to the technical field of bearing dismounting devices, and discloses a rolling bearing dismounting tool which comprises a force arm and slotted holes, wherein slotted holes are symmetrically formed in the force arm, the force arm is provided with a group of two, internal threads of the force arm are connected with threaded pull rods, two ends of the threaded pull rods penetrate through the interiors of the force arm, two moving rods are connected in the interiors of the force arm in a sliding manner and are respectively positioned in the two groups of slotted holes, one end of each moving rod is fixedly connected with a clamping plate, and each moving rod comprises a threaded column sleeved in the moving rod in a threaded manner. According to the utility model, through the arrangement of the slotted hole, the threaded column and the locking nut, the position of the movable rod can be adjusted, and the movable rod is firmly locked and fixed through the locking nut, so that the bearings with different sizes can be clamped and fixed conveniently, and meanwhile, through the arrangement of the clamping ring, the distance between two groups of movable rods can be adjusted synchronously, so that the convenience in use is improved, and the use of bearing disassembly is facilitated.

Inventors

  • XIA QIFENG
  • QUAN HAIYAN
  • SU WENWEN

Assignees

  • 上海市轴承技术研究所有限公司

Dates

Publication Date
20260512
Application Date
20250507

Claims (7)

  1. 1. The rolling bearing disassembly tool is characterized in that slotted holes (101) are symmetrically formed in the force arm (1), the force arm (1) is provided with a group of two, the inner threads of the force arm (1) are connected with a threaded pull rod (3), two ends of the threaded pull rod (3) penetrate through the inner parts of the force arm (1), a movable rod (2) is connected to the inner parts of the force arm (1) in a sliding mode, the movable rod (2) is respectively located in the two groups of slotted holes (101), one end of the movable rod (2) is fixedly connected with a clamping plate (4), the movable rod (2) comprises a threaded column (201) in the movable rod (2) in a sleeved mode through threads, the threaded column (201) is connected with a locking nut (202), and the locking nut (202) fixes the movable rod (2) on the force arm (1).
  2. 2. The rolling bearing disassembly tool according to claim 1, wherein the threaded columns (201) are fixedly connected with sliding blocks (203), the sliding blocks (203) are slidably connected in the slotted holes (101), and the two threaded columns (201) are respectively positioned at two ends of the sliding blocks (203).
  3. 3. The rolling bearing disassembly tool according to claim 1, wherein a mounting rod (5) is fixedly arranged on the side face of the force arm (1), a sliding groove is formed in the mounting rod (5), a bidirectional screw rod (6) is rotatably arranged in the sliding groove, sliding rings (701) are connected to the outer surfaces of the bidirectional screw rod (6) in a threaded mode, two ends of the bidirectional screw rod (6) penetrate through the two sliding rings (701) and are slidably arranged in the sliding groove, mounting columns (702) are fixedly connected to the outer surfaces of the sliding rings (701), a rotating rod (8) is rotatably arranged on the inner side of the mounting columns (702), a clamping ring (9) is fixedly connected to one end, away from the sliding rings (701), of the rotating rod (8), and the clamping ring (9) is in threaded sleeve joint with the outer surfaces of the threaded columns (201).
  4. 4. The rolling bearing disassembly tool according to claim 3, wherein the installation column (702) is internally provided with a jack (703), the rotating rod (8) is U-shaped, and one end of the rotating rod (8) far away from the clamping ring (9) is connected in the jack (703).
  5. 5. The rolling bearing dismounting tool as claimed in claim 1, wherein the slotted hole (101) is oval in shape and is positioned inside the arm of force (1).
  6. 6. The rolling bearing dismounting tool as claimed in claim 1, wherein the threaded pull rod (3) is T-shaped, and the upper end of the threaded pull rod (3) is wide at both sides and narrow at the inner side.
  7. 7. The rolling bearing dismounting tool as claimed in claim 1, wherein the inner sides of the clamping plates (4) are arc-shaped, and the two clamping plates (4) are contacted to form a circular shape.

Description

Frock is dismantled to antifriction bearing Technical Field The utility model relates to the technical field of bearing dismounting devices, in particular to a rolling bearing dismounting tool. Background In the field of mechanical maintenance and assembly, the disassembly work of the rolling bearing is very common and important, and at this time, when the bearing is disassembled, the bearing is generally disassembled by adopting a disassembly tool. The existing part of the tool is unreasonable in structural design and poor in stability when the position of the moving part is adjusted and fixed, the unstable clamping condition easily occurs in the disassembling process, so that the bearing is displaced or even falls off during disassembling, the bearing can be damaged, potential safety hazards can be caused to operators, for example, certain tools are fixed only by means of simple buckles or friction after the position of the clamping part is adjusted, and the fixed part is easy to loosen when large disassembling force is applied, so that the rolling bearing disassembling tool is provided to solve the problems. Disclosure of utility model In order to overcome the defects of the prior art, the utility model provides a rolling bearing dismounting tool, which has the advantage of clamping and fixing bearings with different sizes. The rolling bearing dismounting tool comprises a force arm and slotted holes, wherein slotted holes are symmetrically formed in the force arm, the force arm is provided with a group of two, internal threads of the force arm are connected with threaded pull rods, two ends of the threaded pull rods penetrate through the interiors of the force arm, two moving rods are connected in the interiors of the force arm in a sliding mode and are respectively positioned in the two groups of slotted holes, one end of each moving rod is fixedly connected with a clamping plate, each moving rod comprises a threaded column in the moving rod in a threaded sleeved mode, locking nuts are connected to the threaded columns in a threaded mode, and the moving rods are fixed to the force arm through the locking nuts. As a preferable technical scheme of the utility model, the thread columns are fixedly connected with sliding blocks, the sliding blocks are slidably connected in the slotted holes, and the two thread columns are respectively positioned at two ends of the sliding blocks. As a preferable technical scheme of the utility model, a mounting rod is fixedly arranged on the side surface of the force arm, a sliding groove is arranged in the mounting rod, a bidirectional screw is rotatably arranged in the sliding groove, sliding rings are connected to the outer surface of the bidirectional screw in a threaded manner, two ends of the bidirectional screw penetrate through the two sliding rings and are slidably arranged in the sliding groove, a mounting column is fixedly connected to the outer surface of the sliding rings, a rotating rod is rotatably arranged on the inner side of the mounting column, a clamping ring is fixedly connected to one end, far away from the sliding rings, of the rotating rod, and the clamping ring is sleeved on the outer surface of the threaded column in a threaded manner. As a preferable technical scheme of the utility model, the inside of the mounting column is provided with the jack, the rotating rod is U-shaped, and one end of the rotating rod far away from the clamping ring is connected in the jack. As a preferable technical scheme of the utility model, the slotted hole is elliptical in shape and is positioned in the arm of force. As a preferable technical scheme of the utility model, the threaded pull rod is in a T shape, and the upper end of the threaded pull rod is in a shape with wide two sides and narrow inner sides. As a preferable technical scheme of the utility model, the inner sides of the clamping plates are arc-shaped, and the two clamping plates are contacted to form a circular shape. Compared with the prior art, the utility model has the following beneficial effects: According to the utility model, through the arrangement of the slotted hole, the threaded column and the locking nut, the position of the movable rod can be adjusted, and the movable rod is firmly locked and fixed through the locking nut, so that the bearings with different sizes can be clamped and fixed conveniently, and meanwhile, through the arrangement of the clamping ring, the distance between two groups of movable rods can be adjusted synchronously, so that the convenience in use is improved, and the use of bearing disassembly is facilitated. Drawings FIG. 1 is a schematic view of a threaded rod according to the present utility model; FIG. 2 is a schematic diagram of the moment arm structure of the present utility model; FIG. 3 shows the present utility model a clamping plate structure schematic diagram; fig. 4 is an enlarged view of fig. 3 a in accordance with the present utility model. The device