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CN-224216072-U - Bearing axial play detection mechanism

CN224216072UCN 224216072 UCN224216072 UCN 224216072UCN-224216072-U

Abstract

The utility model discloses a bearing axial clearance detection mechanism which comprises a detection base, a lifting assembly, a pressing assembly and a detection part, wherein a bearing table is arranged on the detection base and is used for bearing an outer ring of a bearing to be detected, the bearing table is provided with a notch, the lifting assembly stretches into the notch and is abutted to the bottom of the inner ring, the pressing assembly comprises a first driving piece and a pressing piece, the bottom end of the pressing piece is provided with a pressing protrusion, the first driving piece is used for driving the pressing piece to be lifted to a high position or a low position, the first driving piece is used for driving the pressing piece to be lifted to a low position, the pressing piece is abutted against the upper end face of the outer ring, the inner ring is pushed by matching with the pressing protrusion on the upper end face of the inner ring, and the detection part is used for implementing axial clearance detection on the bearing to be detected when the pressing protrusion pushes the inner ring. According to the bearing axial clearance detection mechanism, the bearing axial clearance is detected through the cooperation of the lifting assembly, the pressing assembly and the detection component, so that the detection mode is convenient, the structure is simple, the detection efficiency is high, and the detection precision is high.

Inventors

  • He Yangbin

Assignees

  • 无锡凌拓智能装备有限公司

Dates

Publication Date
20260508
Application Date
20250423

Claims (10)

  1. 1. The utility model provides a bearing axial play detection mechanism which characterized in that, bearing axial play detection mechanism includes detection base, lifting subassembly, pressing subassembly and detection part, wherein: The detection base is provided with a bearing table, the bearing table is configured to bear an outer ring of a bearing to be detected, which is horizontally placed, the bearing table is provided with a notch, the notch is positioned at a orthographic projection area of an inner ring of the bearing to be detected on the bearing table, the lifting assembly is arranged on the detection base and is positioned right below the notch, a first end of the lifting assembly extends into the notch and is abutted to the bottom of the inner ring, and the detection component is arranged at a second end of the lifting assembly; The pressing assembly is arranged on the detection base and is located above the bearing table, the pressing assembly comprises a first driving piece and a pressing piece, a plurality of pressing protrusions are downwards extended from the bottom end of the pressing piece and located right above the inner ring, the pressing piece is arranged on the detection base in a lifting mode, the driving end of the first driving piece is connected with the pressing piece, the first driving piece is configured to drive the pressing piece to be lifted to a high position or a low position, the first driving piece drives the pressing piece to be lifted to a low position, the pressing piece is abutted to the upper end face of the outer ring, the inner ring is pushed by the pressing protrusions in a matched mode, and the detection part is configured to detect axial clearance of the bearing to be detected when the inner ring is pushed by the pressing protrusions.
  2. 2. The bearing axial play detection mechanism of claim 1, wherein the first driving member includes a first cylinder, a lifting member, and a pressure regulating unit, wherein: The lifting piece is arranged on the detection base in a lifting manner, the pressing piece is arranged at the bottom end of the lifting piece, the fixed end of the first air cylinder is arranged on the detection base, the driving end of the first air cylinder is connected with the lifting piece, and the first air cylinder is configured to drive the lifting piece to be lifted to a high position or a low position so as to drive the pressing piece to be close to or far away from the bearing table; The first cylinder drives the lifting piece to a low position, so that the pressing piece presses down and abuts against the upper end face of the outer ring, the pressure regulating unit is mounted on the lifting piece and is configured to apply downward pressure to the pressing piece when the lifting piece is located at the low position, and then the pressing piece is matched with a plurality of pressing protrusions to push the inner ring on the upper end face of the inner ring.
  3. 3. The bearing axial play detection mechanism according to claim 2, wherein the pressure regulating unit comprises a first hinge rod, a second driving member and a pressure regulating frame, the middle part of the first hinge rod is hinged on the detection base, a first end of the first hinge rod along the length direction is hinged on the pressure regulating frame, the pressure regulating frame is mounted on the lifting member, the fixed end of the second driving member is mounted on the detection base, the driving end of the second driving member is connected with a second end of the first hinge rod along the length direction, and the second driving member is at least configured to drive the second end of the first hinge rod along the length direction to ascend so as to drive the first end of the first hinge rod along the length direction to descend and abut against the pressure regulating frame.
  4. 4. A bearing axial play detection mechanism according to claim 3, wherein the second end of the first hinge rod in the length direction is fitted with a first weight configured to avoid pressing the first end of the first hinge rod in the length direction against the lifting member when the lifting member is in the high position.
  5. 5. The bearing axial play detection mechanism of claim 1, wherein the lifting assembly comprises a second hinge rod, a support, and a second weight, wherein: The middle part of second articulated lever articulates on the detection base, support piece installs the one end of second articulated lever and liftable setting are in the bottom of inner circle, support piece is configured at least to support the inner circle, the second balancing weight is installed on the second articulated lever for the other end of support piece, the second balancing weight is configured to rely on self gravity to make support piece's up end supports and leans on the bottom of inner circle.
  6. 6. The bearing axial play detection mechanism according to claim 5, wherein the detection member includes a mounting bracket mounted on the detection base below the loading table, and a displacement sensor having a bottom mounted on the mounting bracket, a top of the displacement sensor abutting against a bottom of the support, the displacement sensor being configured to detect displacement of the support, thereby performing axial play detection on the bearing to be detected.
  7. 7. The bearing axial play detection mechanism of claim 2, wherein the pressing assembly further comprises a guide assembly, the guide assembly comprises two guide rods which are vertically arranged, first ends of the two guide rods are all installed on the mounting plate, second ends of the two guide rods are all connected with the lifting piece, the driving end of the first cylinder is fixedly connected with the middle part of the mounting plate, and the first cylinder is configured to drive the mounting plate to lift, so that the lifting piece is driven to lift by the two guide rods.
  8. 8. The bearing axial play detection mechanism according to claim 7, wherein a guide table extends from one side of the detection base, which faces the guide rods, two guide holes are formed in the guide table, each guide hole corresponds to one guide rod, each guide rod is arranged in the corresponding guide hole in a penetrating manner, a guide sleeve is arranged on each guide rod, the top end of each guide sleeve is mounted at the bottom of the guide table, and the bottom of each guide sleeve extends towards the lifting piece.
  9. 9. A bearing axial play detection mechanism according to claim 3, wherein the second driving member employs a driving cylinder.
  10. 10. The bearing axial play detection mechanism according to claim 3, wherein the bottom of the pressure regulating frame is detachably mounted on the lifting member through a plurality of detachable members, two hinge portions extend upward from both sides of the first end of the first hinge rod at the top of the pressure regulating frame, the two hinge portions are provided with hinge holes, the first hinge rod is provided with a through hole, the through hole and the hinge holes are at the same height, and the hinge rod passes through the two hinge holes and the through hole between the two hinge holes, so that the first end of the first hinge rod is hinged with the top of the pressure regulating frame.

Description

Bearing axial play detection mechanism Technical Field The utility model belongs to the technical field of automatic detection, and particularly relates to a bearing axial clearance detection mechanism. Background In various mechanical devices, such as motors, machine tools, automobile transmission systems and the like, the performance of a bearing is directly related to the overall stability and reliability of the device, and the axial play is one of key parameters of the bearing and has important influence on the running precision, bearing capacity, friction loss, service life and other performances of the bearing. For example, the excessive play can cause larger axial movement of the bearing in the running process to influence the precision of equipment, and the excessive play can cause the bearing to be blocked due to friction heat generation in the working process, so that the service life of the bearing is reduced, the proper axial play can ensure that the bearing can work normally under different working conditions, the occurrence of equipment faults is reduced, and the running efficiency and stability of the equipment are improved. The traditional axial play detection mode mostly adopts manual detection, and the mode is time-consuming and labor-consuming, low in detection efficiency, easy to be influenced by human factors, large in detection error, and obviously low in detection efficiency and low in detection precision. Disclosure of utility model The utility model aims to provide a bearing axial clearance detection mechanism, which solves the problem of low detection precision in the conventional manual detection in the prior art. To achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a bearing axial play detection mechanism, its includes detects base, lifting subassembly, pressure subassembly and detection part, wherein: The detection base is provided with a bearing table, the bearing table is configured to bear an outer ring of a bearing to be detected, which is horizontally placed, the bearing table is provided with a notch, the notch is positioned at a orthographic projection area of an inner ring of the bearing to be detected on the bearing table, the lifting assembly is arranged on the detection base and is positioned right below the notch, a first end of the lifting assembly extends into the notch and is abutted to the bottom of the inner ring, and the detection component is arranged at a second end of the lifting assembly; The pressing assembly is arranged on the detection base and is located above the bearing table, the pressing assembly comprises a first driving piece and a pressing piece, a plurality of pressing protrusions are downwards extended from the bottom end of the pressing piece and located right above the inner ring, the pressing piece is arranged on the detection base in a lifting mode, the driving end of the first driving piece is connected with the pressing piece, the first driving piece is configured to drive the pressing piece to be lifted to a high position or a low position, the first driving piece drives the pressing piece to be lifted to a low position, the pressing piece is abutted to the upper end face of the outer ring, the inner ring is pushed by the pressing protrusions in a matched mode, and the detection part is configured to detect axial clearance of the bearing to be detected when the inner ring is pushed by the pressing protrusions. Further, the first driving member includes a first cylinder, a lifting member and a pressure regulating unit, wherein: The lifting piece is arranged on the detection base in a lifting manner, the pressing piece is arranged at the bottom end of the lifting piece, the fixed end of the first air cylinder is arranged on the detection base, the driving end of the first air cylinder is connected with the lifting piece, and the first air cylinder is configured to drive the lifting piece to be lifted to a high position or a low position so as to drive the pressing piece to be close to or far away from the bearing table; The first cylinder drives the lifting piece to a low position, so that the pressing piece presses down and abuts against the upper end face of the outer ring, the pressure regulating unit is mounted on the lifting piece and is configured to apply downward pressure to the pressing piece when the lifting piece is located at the low position, and then the pressing piece is matched with a plurality of pressing protrusions to push the inner ring on the upper end face of the inner ring. Further, the pressure regulating unit includes first articulated lever, second driving piece and pressure regulating frame, the middle part of first articulated lever articulates on the detection base, along length direction's first end on the first articulated lever articulates on the pressure regulating frame, the pressure regulating frame is installed on the lifter, the stiff end of second