CN219967012U - Bearing cold pressing tool - Google Patents
Bearing cold pressing tool Download PDFInfo
- Publication number
- CN219967012U CN219967012U CN202321447655.4U CN202321447655U CN219967012U CN 219967012 U CN219967012 U CN 219967012U CN 202321447655 U CN202321447655 U CN 202321447655U CN 219967012 U CN219967012 U CN 219967012U
- Authority
- CN
- China
- Prior art keywords
- bearing
- cold pressing
- sleeve
- main shaft
- motor main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model discloses a bearing cold pressing tool. Comprises an upper bearing cold pressing mechanism and a lower bearing cold pressing mechanism; the upper bearing cold pressing mechanism and the lower bearing cold pressing mechanism are respectively sleeved on the motor main shaft, the upper bearing cold pressing mechanism is contacted with an upper bearing sleeved on the motor main shaft, and the lower bearing cold pressing mechanism is contacted with a lower bearing sleeved on the motor main shaft; the upper bearing cold pressing mechanism and the lower bearing cold pressing mechanism are both provided with a lifting piece and a pressing piece, the lifting piece is in contact with the pressing piece, the pressing piece is in uniform contact with the bearing surface, the pressing piece is forced to descend through descending of the lifting piece, and the pressing piece uniformly presses the bearing surface. The upper bearing and the lower bearing of the motor main shaft are uniformly pressed through the bearing cold pressing tool, so that the upper bearing and the lower bearing are ensured to be installed in place, the bearing abrasion caused by the rotation of the motor main shaft is avoided, and the service lives of the upper bearing and the lower bearing are prolonged.
Description
Technical field:
the utility model belongs to the technical field of motor spindle installation, and particularly relates to a bearing cold pressing tool.
The background technology is as follows:
when the motor main shaft is installed, the bearing is required to be sleeved on the motor main shaft, then the bearing is knocked manually, and the bearing is knocked in place.
When the bearing is installed, the bearing is often inclined due to uneven force applied by manual knocking, so that when the motor main shaft rotates, the bearing is easy to wear, and the service life of the bearing is reduced.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
The utility model comprises the following steps:
the utility model aims to provide a bearing cold pressing tool which enables a bearing to be installed in place by uniformly pressing the bearing, so that the defects in the prior art are overcome.
In order to achieve the above purpose, the utility model provides a bearing cold pressing tool, which comprises an upper bearing cold pressing mechanism and a lower bearing cold pressing mechanism; the upper bearing cold pressing mechanism and the lower bearing cold pressing mechanism are respectively sleeved on the motor main shaft, the upper bearing cold pressing mechanism is contacted with an upper bearing sleeved on the motor main shaft, and the lower bearing cold pressing mechanism is contacted with a lower bearing sleeved on the motor main shaft; the upper bearing cold pressing mechanism and the lower bearing cold pressing mechanism are both provided with a lifting piece and a pressing piece, the lifting piece is in contact with the pressing piece, the pressing piece is in uniform contact with the bearing surface, the pressing piece is forced to descend through descending of the lifting piece, and the pressing piece uniformly presses the bearing surface.
Preferably, in the technical scheme, the lower bearing cold pressing mechanism comprises an outer sleeve, a lower cold pressing sleeve and a bolt, wherein the outer sleeve is sleeved and fixed on a motor spindle, the lower cold pressing sleeve is nested in an inner cavity of the outer sleeve, the bolt is arranged on the outer sleeve, the bolt is in contact with the lower cold pressing sleeve, the lower cold pressing sleeve is in contact with the lower bearing, the bolt is used as a lifting piece, and the lower cold pressing sleeve is used as a pressing piece; the inner diameter of the outer sleeve is matched with the outer diameter of the lower bearing, the inner diameter of the lower cold pressing sleeve is matched with the outer diameter of a lower bearing mounting surface of the motor main shaft, the lower bearing is sleeved on the lower bearing mounting surface of the motor main shaft, and the pressing surface of the lower cold pressing sleeve is aligned with the lower bearing; the lower cold pressing sleeve is driven to descend by the bolts, and the lower bearing is uniformly pressed by the lower cold pressing sleeve.
Preferably, in the technical scheme, the pressing surface of the lower cold pressing sleeve is provided with an annular bulge, the annular bulge is in contact with the lower bearing, and the annular bulge is used for converging the pressure of the pressing surface of the lower cold pressing sleeve, so that uniform pressing is conveniently carried out on the lower bearing.
Preferably, in the technical scheme, the end of the outer sleeve is provided with a fixing opening, a screw is arranged on the fixing opening, the inner diameter of the fixing opening is smaller than that of the outer sleeve, the inner diameter of the fixing opening is matched with the outer diameter of a fixing surface of the motor main shaft, a fixing hole is arranged on the fixing surface of the motor main shaft and aligned with the screw, and the outer sleeve is fixed on the motor main shaft through the screw and the fixing hole.
Preferably, in the technical scheme, the upper bearing cold pressing mechanism comprises an upper cold pressing sleeve and a nut, wherein the upper cold pressing sleeve and the nut are sleeved on a motor spindle, the upper cold pressing sleeve is in contact with the upper bearing, the nut is used as a lifting piece, and the upper cold pressing sleeve is used as a pressing piece; the upper cold pressing sleeve comprises a sleeving part and a pressing part, the sleeving part is in contact with the nut, the inner diameter of the pressing part is larger than that of the sleeving part, the inner diameter of the pressing part is matched with the outer diameter of an upper bearing mounting surface of the motor main shaft, the upper bearing is sleeved on the upper bearing mounting surface of the motor main shaft, and the bottom surface of the pressing part is in contact with the upper bearing; the upper cold pressing sleeve is driven to descend through the nut, and the upper bearing is uniformly pressed by the upper cold pressing sleeve.
Compared with the prior art, the utility model has the following beneficial effects:
the upper bearing and the lower bearing of the motor main shaft are uniformly pressed through the bearing cold pressing tool, so that the upper bearing and the lower bearing are guaranteed to be installed in place, bearing abrasion cannot be caused when the motor main shaft rotates, and the service lives of the upper bearing and the lower bearing are prolonged.
Description of the drawings:
FIG. 1 is a schematic diagram of a cold pressing tool for a bearing;
FIG. 2 is a cross-sectional view of the cold pressing tool for the bearing of the present utility model;
FIG. 3 is a cross-sectional view of a lower cold press jacket of the present utility model;
FIG. 4 is a cross-sectional view of an upper cold press jacket of the present utility model;
the reference numerals are: the device comprises a 1-upper bearing cold pressing mechanism, a 2-lower bearing cold pressing mechanism, a 3-motor spindle, a 4-upper bearing, a 5-lower bearing, a 10-upper cold pressing sleeve, a 11-nut, a 100-sleeving part, a 101-pressing part, a 20-outer sleeve, a 21-lower cold pressing sleeve, a 22-bolt, a 200-fixing opening, a 201-screw, a 210-annular bulge, a 30-lower bearing mounting surface, a 31-motor spindle fixing surface, a 32-fixing hole and a 33-upper bearing mounting surface.
The specific embodiment is as follows:
the following detailed description of specific embodiments of the utility model is, but it should be understood that the utility model is not limited to specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.
1-2, a bearing cold pressing tool comprises an upper bearing cold pressing mechanism 1 and a lower bearing cold pressing mechanism 2; the upper bearing cold pressing mechanism 1 and the lower bearing cold pressing mechanism 2 are respectively sleeved on the motor main shaft 3, the upper bearing cold pressing mechanism 1 is contacted with an upper bearing 4 sleeved on the motor main shaft 3, and the lower bearing cold pressing mechanism 2 is contacted with a lower bearing 5 sleeved on the motor main shaft 3;
as shown in fig. 1-3, the lower bearing cold pressing mechanism 2 comprises an outer sleeve 20, a lower cold pressing sleeve 21 and a bolt 22, wherein the outer sleeve 20 is sleeved and fixed on the motor main shaft 3, the lower cold pressing sleeve 21 is nested in an inner cavity of the outer sleeve 20, the top cover of the outer sleeve 20 is detachable, the bolt 22 is arranged on the top cover of the outer sleeve 20, the bolt 22 is contacted with the lower cold pressing sleeve 21, the lower cold pressing sleeve 21 is contacted with the lower bearing 5, the bolt 22 is used as a lifting piece, and the lower cold pressing sleeve 21 is used as a pressing piece; the inner diameter of the outer sleeve 20 is matched with the outer diameter of the lower bearing 5, the inner diameter of the lower cold pressing sleeve 21 is matched with the outer diameter of the lower bearing mounting surface 30 of the motor main shaft 3, the lower bearing 5 is sleeved on the lower bearing mounting surface 30 of the motor main shaft 3, and the pressing surface of the lower cold pressing sleeve 21 is aligned with the lower bearing 5; the annular bulge 210 is arranged on the pressure application surface of the lower cold pressing sleeve 21, the annular bulge 210 is in contact with the lower bearing 5, and the annular bulge 210 is used for converging the pressure of the pressure application surface of the lower cold pressing sleeve 21, so that uniform pressure application on the lower bearing 5 is facilitated; the lower cold pressing sleeve 21 is driven to descend by the bolts 22, and the lower cold pressing sleeve 21 uniformly presses the lower bearing 5.
The end of the outer sleeve 20 is provided with a fixing opening 200, the fixing opening 200 is provided with a screw 201, the inner diameter of the fixing opening 200 is smaller than that of the outer sleeve 20, the inner diameter of the fixing opening 200 is matched with the outer diameter of the motor main shaft fixing surface 31, the motor main shaft fixing surface 31 is provided with a fixing hole 32, the fixing hole 32 is aligned with the screw 201, and the outer sleeve 20 is fixed on the motor main shaft 3 through the screw 201 and the fixing hole 32.
As shown in fig. 1, 2 and 4, the upper bearing cold pressing mechanism 1 comprises an upper cold pressing sleeve 10 and a nut 11, wherein the upper cold pressing sleeve 10 and the nut 11 are sleeved on a motor main shaft 3, the upper cold pressing sleeve 10 is in contact with an upper bearing 4, the nut 11 serves as a lifting piece, and the upper cold pressing sleeve 10 serves as a pressing piece; the upper cold pressing sleeve 10 comprises a sleeve part 100 and a pressing part 101, wherein the sleeve part 100 is in contact with the nut 11, the inner diameter of the pressing part 101 is larger than that of the sleeve part 100, the inner diameter of the pressing part 101 is matched with the outer diameter of an upper bearing mounting surface 33 of the motor spindle 3, the upper bearing 4 is sleeved on the upper bearing mounting surface 33 of the motor spindle 3, and the bottom surface of the pressing part 101 is in contact with the upper bearing 4; the upper cold pressing sleeve 10 is driven to descend by the nut 11, and the upper cold pressing sleeve 10 uniformly presses the upper bearing 4.
During bearing assembly, the upper bearing 4 is sleeved on the upper bearing mounting surface 33 on the motor spindle 3, the outer sleeve 20 is sleeved on the motor spindle fixing surface 31 of the motor spindle 3, the outer sleeve 20 is fixed through the screw 201, then the top cover of the outer sleeve 20 is opened, the lower bearing 5 is placed in the outer sleeve 20, the lower bearing 5 is sleeved on the lower bearing mounting surface 30, the lower cold pressing sleeve 21 is placed in the outer sleeve 20, the lower cold pressing sleeve 21 is in contact with the lower bearing 5, and the top cover of the outer sleeve 20 is covered. The upper cold pressing sleeve 10 and the nut 11 are sleeved on the motor main shaft 3, and the pressing part 101 of the upper cold pressing sleeve 10 is propped against the upper bearing 4.
The nut 11 is screwed, the nut 11 drives the upper cold pressing sleeve 10 to extrude towards the upper bearing 4, the pressing part 101 uniformly presses the upper bearing 4, the upper bearing 4 is pressed in place on the upper bearing mounting surface 33, the upper bearing 4 is assembled, then the nut 11 is loosened, and the upper cold pressing sleeve 10 and the nut 11 are taken down from the motor spindle 3.
The bolts 22 are rotated, the bolts 22 drive the lower cold pressing sleeve 21 to press towards the lower bearing 5, the annular protrusions 210 uniformly press the lower bearing 5, the lower bearing 5 is pressed in place on the lower bearing mounting surface 30, the lower bearing 5 is assembled, then the bolts 22 and the bolts 201 are loosened, and the outer sleeve 20 and the lower cold pressing sleeve 21 are taken down from the motor spindle 3.
The upper bearing and the lower bearing of the motor main shaft are uniformly pressed through the bearing cold pressing tool, so that the upper bearing and the lower bearing are guaranteed to be installed in place, bearing abrasion cannot be caused when the motor main shaft rotates, and the service lives of the upper bearing and the lower bearing are prolonged.
The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.
Claims (5)
1. The utility model provides a bearing frock of colding pressing which characterized in that: comprises an upper bearing cold pressing mechanism and a lower bearing cold pressing mechanism; the upper bearing cold pressing mechanism and the lower bearing cold pressing mechanism are respectively sleeved on the motor main shaft, the upper bearing cold pressing mechanism is contacted with an upper bearing sleeved on the motor main shaft, and the lower bearing cold pressing mechanism is contacted with a lower bearing sleeved on the motor main shaft; the upper bearing cold pressing mechanism and the lower bearing cold pressing mechanism are both provided with a lifting piece and a pressing piece, the lifting piece is in contact with the pressing piece, the pressing piece is in uniform contact with the bearing surface, the pressing piece is forced to descend through descending of the lifting piece, and the pressing piece uniformly presses the bearing surface.
2. The bearing cold pressing tool according to claim 1, wherein: the lower bearing cold pressing mechanism comprises an outer sleeve, a lower cold pressing sleeve and a bolt, wherein the outer sleeve is sleeved and fixed on the motor spindle, the lower cold pressing sleeve is nested in an inner cavity of the outer sleeve, the bolt is arranged on the outer sleeve and is contacted with the lower cold pressing sleeve, the lower cold pressing sleeve is contacted with the lower bearing, the bolt is used as a lifting piece, and the lower cold pressing sleeve is used as a pressing piece; the inner diameter of the outer sleeve is matched with the outer diameter of the lower bearing, the inner diameter of the lower cold pressing sleeve is matched with the outer diameter of a lower bearing mounting surface of the motor main shaft, the lower bearing is sleeved on the lower bearing mounting surface of the motor main shaft, and the pressing surface of the lower cold pressing sleeve is aligned with the lower bearing; the lower cold pressing sleeve is driven to descend by the bolts, and the lower bearing is uniformly pressed by the lower cold pressing sleeve.
3. The bearing cold press tooling of claim 2, wherein: the pressing surface of the lower cold pressing sleeve is provided with an annular bulge which is contacted with the lower bearing.
4. A bearing cold press tooling according to claim 2 or 3, wherein: the end of the outer sleeve is provided with a fixing opening, the fixing opening is provided with a screw, the inner diameter of the fixing opening is smaller than the inner diameter of the outer sleeve, the inner diameter of the fixing opening is matched with the outer diameter of a fixing surface of the motor main shaft, the fixing surface of the motor main shaft is provided with a fixing hole, the fixing hole is aligned with the screw, and the outer sleeve is fixed on the motor main shaft through the screw and the fixing hole.
5. The bearing cold pressing tool according to claim 1, wherein: the upper bearing cold pressing mechanism comprises an upper cold pressing sleeve and a nut, the upper cold pressing sleeve and the nut are sleeved on a motor spindle, the upper cold pressing sleeve is in contact with the upper bearing, the nut is used as a lifting piece, and the upper cold pressing sleeve is used as a pressing piece; the upper cold pressing sleeve comprises a sleeving part and a pressing part, the sleeving part is in contact with the nut, the inner diameter of the pressing part is larger than that of the sleeving part, the inner diameter of the pressing part is matched with the outer diameter of an upper bearing mounting surface of the motor main shaft, the upper bearing is sleeved on the upper bearing mounting surface of the motor main shaft, and the bottom surface of the pressing part is in contact with the upper bearing; the upper cold pressing sleeve is driven to descend through the nut, and the upper bearing is uniformly pressed by the upper cold pressing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321447655.4U CN219967012U (en) | 2023-06-08 | 2023-06-08 | Bearing cold pressing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321447655.4U CN219967012U (en) | 2023-06-08 | 2023-06-08 | Bearing cold pressing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219967012U true CN219967012U (en) | 2023-11-07 |
Family
ID=88590681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321447655.4U Active CN219967012U (en) | 2023-06-08 | 2023-06-08 | Bearing cold pressing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219967012U (en) |
-
2023
- 2023-06-08 CN CN202321447655.4U patent/CN219967012U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201960529U (en) | Dismounting device for cylinder jacket of engine | |
| CN219967012U (en) | Bearing cold pressing tool | |
| CN201317650Y (en) | Worm screw mandrel lifter | |
| CN110667160A (en) | Packing flattening mechanism | |
| CN105328437A (en) | Planetary gear bearing disassembling tooling | |
| CN208713340U (en) | A kind of set composite for tightening swivel nut for precompressed fuel injector sleeve and without additional torque | |
| CN2305503Y (en) | Automatic diameter-adjusting piston for petroleum drilling mud pump | |
| CN211115372U (en) | Damping structure of electric tail gate stay bar | |
| CN218489404U (en) | Novel vehicle hub flange | |
| CN220946806U (en) | Transmission structure of direct-drive electric screw press | |
| CN207709760U (en) | A kind of interior hexagonal annular knurl sub-assembly | |
| CN108747301B (en) | Ultra-thin plate riveting nut or riveting screw device and riveting method thereof | |
| CN216299115U (en) | Mounting fixture of heavy-calibre ball valve | |
| CN219955428U (en) | Smoke baffle plate assembly of integrated kitchen | |
| CN219139987U (en) | Structure improved connector | |
| CN215861621U (en) | Belt wheel and belt wheel dismounting structure | |
| CN218347866U (en) | Screw riveting type furnace chain rotating sleeve | |
| CN221435555U (en) | Limiting rotary pressure head for automatic press fitting of explosive column | |
| CN215059333U (en) | Novel solar energy chases after daily speed reducer | |
| CN212899618U (en) | Transmission sleeve assembly | |
| CN220981941U (en) | Calcination equipment is used in production of battery grade lithium carbonate | |
| CN210926183U (en) | Roll up membrane closing device | |
| CN217789487U (en) | Air guide sleeve bidirectional electric driving device for truck | |
| CN218913526U (en) | One-way clutch with convenient dismounting structure | |
| CN221791671U (en) | Device for disassembling guide vane pin sleeve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |