CN-224209887-U - Bearing auxiliary dismounting equipment

CN224209887UCN 224209887 UCN224209887 UCN 224209887UCN-224209887-U

Abstract

The utility model relates to the technical field of mechanical tools, in particular to bearing auxiliary dismounting equipment, wherein a first mounting area for mounting a workpiece and a second mounting area positioned at two sides of the first mounting area are respectively arranged on a rack, a bearing mounting mechanism and a driving unit are arranged in the second mounting area, the bearing mounting mechanism comprises a first centering piece and an outer sleeve, the first centering piece can be in centering fit with the workpiece, the bearing and the outer sleeve are axially movably sleeved on the first centering piece, the outer sleeve is positioned at one side of the bearing far away from the workpiece, the driving unit is used for driving the outer sleeve to move along the axial direction, when the bearing is mounted, the driving unit drives the outer sleeve to move towards the bearing, and further drives the bearing to move towards the workpiece until the bearing is sleeved on the workpiece, after the first centering piece is in centering fit with the workpiece, the bearing is pushed onto the workpiece from the first centering piece, the whole process is convenient and quick, the safety of the workpiece and the bearing can be ensured, and the damage of the bearing can be avoided.

Inventors

YANG XUEWU
MENG FANLEI
XU MAN
HE YINGQIAN
HUANG RENJIE
QU LIQIANG
LIU KAISONG
ZHANG LICHEN
SONG ZHAOFEI
ZHANG LIJUN
ZHANG BOXIN
YU LE
LIU BIN

Assignees

中国铁路北京局集团有限公司北京车辆段

Dates

Publication Date: 20260508
Application Date: 20250606

Claims (10)

1. The bearing auxiliary dismounting device is characterized by comprising a rack, wherein a first mounting area and a second mounting area are arranged on the rack, the second mounting area is adjacent to the first mounting area, the first mounting area is used for mounting a workpiece, and the second mounting area is used for mounting a bearing mounting mechanism and a driving unit; The bearing mounting mechanism comprises a first centering piece and an outer sleeve, the bearing is sleeved on the first centering piece in an axially movable mode, the first centering piece can be matched with the workpiece in a centering mode, the outer sleeve is sleeved on the first centering piece in the axially movable mode, and the outer sleeve is located on one side, far away from the workpiece, of the bearing; The output end of the driving unit is connected with the outer sleeve, and the power output direction of the driving unit is parallel to the axis direction of the outer sleeve.
2. The bearing auxiliary disassembly and assembly equipment according to claim 1, wherein the workpiece is provided with a centering hole, one end of the first centering piece, which is close to the workpiece, is provided with a centering and jacking part, and the centering hole and the centering and jacking part can be matched in a centering manner, and the first centering piece and the workpiece are relatively fixed in the radial direction.
3. The bearing assist disassembly and assembly apparatus according to claim 2, wherein the centering pressing portion is located inside the centering hole when the first centering member is centered and mated with the workpiece, and the first centering member and an end face of the workpiece abut each other.
4. The bearing assisted disassembly apparatus of claim 1, wherein said first centering member is in clearance fit with said bearing; And/or, a plurality of axially extending abdication grooves are formed in the outer peripheral surface of the first centering piece.
5. The bearing assisted disassembly and assembly apparatus of claim 1, wherein said bearing mounting mechanism further comprises a hold-down spring located inside said outer sleeve; The outer sleeve is provided with an end face at one end far away from the workpiece, the compression spring is located between the end face of the outer sleeve and the first centering piece, or the outer sleeve is of a tubular structure with a through inside, the compression spring is located between the output end of the driving unit and the first centering piece, and the elastic force of the compression spring points to the first centering piece along the axial direction of the first centering piece.
6. The bearing assisted removal apparatus of claim 1, further comprising a bearing removal mechanism for removing said bearing from said workpiece; The second installation area is provided with a workbench capable of moving along the radial direction of the workpiece, the workbench is provided with at least two stations, the stations are used for installing the bearing dismounting mechanism and the bearing installation mechanism, and the stations matched with the workpiece to work can be switched based on the movement of the workbench.
7. The bearing auxiliary disassembly and assembly device according to claim 6, wherein the bearing disassembly mechanism comprises a connecting arm and a limiting piece, the limiting piece is sleeved on the workpiece through an opening and is positioned on one side of the bearing away from the second installation area, the inner diameter of the opening of the limiting piece is larger than the outer diameter of the workpiece and smaller than the maximum diameter of the bearing, and the connecting arm is used for connecting the limiting piece and the driving unit.
8. The bearing assisted disassembly apparatus of claim 7, wherein said bearing disassembly mechanism further comprises a second centering member for centering engagement with said workpiece, said second centering member mounted to a movable end of said drive unit, said connecting arm connected to a fixed end of said drive unit.
9. The bearing auxiliary disassembly and assembly apparatus according to claim 7, wherein the connecting arm is provided with a clamping position extending inwards along the radial direction of the workpiece, the clamping position is positioned on one side of the limiting piece away from the bearing, and when the connecting arm moves along the direction away from the workpiece, the clamping position pulls the limiting piece to synchronously move; the limiting piece is provided with multiple specifications, the sizes of the openings of the limiting piece are different, and the external outline sizes of the limiting pieces are the same.
10. The bearing assisted disassembly and assembly apparatus of claim 1, wherein a floating support mechanism is provided on the first mounting region, the workpiece being mounted on the floating support mechanism such that the workpiece is capable of floating radially to mate with the first centering member when the first centering member is urged against the workpiece.

Description

Bearing auxiliary dismounting equipment Technical Field The utility model relates to the field of mechanical tools, in particular to bearing auxiliary dismounting equipment. Background In the industrial production process, the bearing is often required to be mounted on the shaft part in an interference fit mode, the existing mounting mode generally adopts a hot-charging method or a direct knocking mounting mode, the hot-charging method is easy to cause local deformation of the bearing, the bearing steel is annealed and the hardness is reduced, the knocking mounting mode is difficult to ensure good centering of the bearing and the shaft part, the bearing or the mounted shaft part is easy to be damaged and cracked, and the problems of complex process and low mounting efficiency exist in the two common modes. Therefore, it is necessary to provide a bearing auxiliary dismounting device to improve convenience of bearing mounting. Disclosure of utility model In order to solve the technical problems, the utility model provides bearing auxiliary dismounting equipment, which comprises a rack, wherein the rack is provided with a first mounting area and a second mounting area which is arranged adjacent to the first mounting area, the first mounting area is used for mounting a workpiece, and the second mounting area is used for mounting a bearing mounting mechanism and a driving unit; The bearing mounting mechanism comprises a first centering piece and an outer sleeve, the bearing is sleeved on the first centering piece in an axially movable mode, the first centering piece can be matched with the workpiece in a centering mode, the outer sleeve is sleeved on the first centering piece in the axially movable mode, and the outer sleeve is located on one side, far away from the workpiece, of the bearing; The output end of the driving unit is connected with the outer sleeve, and the power output direction of the driving unit is parallel to the axis direction of the outer sleeve. Preferably, the workpiece is provided with a centering hole, one end of the first centering piece, which is close to the workpiece, is provided with a centering and propping part, the centering hole and the centering and propping part can be matched in a centering way, and the first centering piece and the workpiece are relatively fixed along the radial direction. Preferably, when the first centering member is centered and matched with the workpiece, the centering and tightening part is positioned inside the centering hole, and the first centering member and the end surface of the workpiece are abutted against each other. Preferably, the first centering member is in clearance fit with the bearing; And/or, a plurality of axially extending abdication grooves are formed in the outer peripheral surface of the first centering piece. Preferably, the bearing mounting mechanism further comprises a hold-down spring located inside the outer sleeve; The outer sleeve is provided with an end face at one end far away from the workpiece, the compression spring is located between the end face of the outer sleeve and the first centering piece, or the outer sleeve is of a tubular structure with a through inside, the compression spring is located between the output end of the driving unit and the first centering piece, and the elastic force of the compression spring points to the first centering piece along the axial direction of the first centering piece. Preferably, the device further comprises a bearing detaching mechanism for detaching the bearing from the workpiece; The second installation area is provided with a workbench capable of moving along the radial direction of the workpiece, the workbench is provided with at least two stations, the stations are used for installing the bearing dismounting mechanism and the bearing installation mechanism, and the stations matched with the workpiece to work can be switched based on the movement of the workbench. Preferably, the bearing dismounting mechanism comprises a connecting arm and a limiting part, the limiting part is sleeved on the workpiece through an opening and is positioned on one side of the bearing away from the second installation area, the inner diameter of the opening of the limiting part is larger than the outer diameter of the workpiece and smaller than the maximum diameter of the bearing, and the connecting arm is used for connecting the limiting part and the driving unit. Preferably, the bearing dismounting mechanism further comprises a second centering piece, the second centering piece is used for being matched with the workpiece in a centering mode, the second centering piece is mounted at the movable end of the driving unit, and the connecting arm is connected to the fixed end of the driving unit. Preferably, the connecting arm is provided with a clamping position formed by extending inwards along the radial direction of the workpiece, the clamping position is positioned at one side of the limiting p