CN218136166U - Motor bearing press-fitting device - Google Patents
Motor bearing press-fitting device Download PDFInfo
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- CN218136166U CN218136166U CN202221991280.3U CN202221991280U CN218136166U CN 218136166 U CN218136166 U CN 218136166U CN 202221991280 U CN202221991280 U CN 202221991280U CN 218136166 U CN218136166 U CN 218136166U
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- ring
- fixing plate
- pressure equipment
- movable positioning
- mounting groove
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Abstract
The utility model provides a motor bearing press fitting device, including the pressure equipment ring, the upper end of pressure equipment ring is provided with the mounting groove, is provided with the fixed plate in the mounting groove, and fixed plate and pressure equipment ring fixed connection, the lower terminal surface of the fixed plate that is located inside the pressure equipment ring is provided with a plurality of guide posts perpendicularly, and the guide post is overlapped and is equipped with movable holding ring, and the lower extreme of guide post is provided with limit stop, and movable holding ring can freely slide on the guide post; the lower end of the movable positioning ring is provided with a positioning jack, and a spring is sleeved on the part of the guide post between the upper end of the movable positioning ring and the fixed plate. The utility model provides a motor bearing pressure equipment device, simple structure, the equipment is convenient, is applicable to the bearing installation that the bearing installation department was fixed a position the weak point on the axle, guarantees to install and targets in place, improves production efficiency, can also be simultaneously according to the relative position of the distance adjustment activity holding ring of epaxial installation department and location department and pressure equipment ring to be applicable to the motor shaft of multiple not isostructure.
Description
Technical Field
The utility model relates to a pressure equipment device especially relates to a motor bearing pressure equipment device to PMSM.
Background
With the gradual development of the new energy automobile market, the permanent magnet synchronous motor has become a main part of the new energy automobile. At present, the permanent magnet synchronous motor is developed towards high power and the whole vehicle weight is reduced by reducing the installation space of the drive assembly with multiple unifications, so that the overall dimension of the motor is limited, the bearing installation position of the motor is limited by the fact that a common tool cannot use an on-shaft positioning point to press the bearing, the bearing installation is not in place, and the production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming current defect, providing a motor bearing pressure equipment device, solve present bearing installation department location short, ordinary frock is not suitable for and the bearing installation that leads to is not in place, the problem that production efficiency reduces.
In order to solve the technical problem, the utility model provides a following technical scheme:
a motor bearing press-fitting device comprises a press-fitting ring, wherein the upper end of the press-fitting ring is provided with a mounting groove, a fixing plate is arranged in the mounting groove, the fixing plate is fixedly connected with the press-fitting ring, a plurality of guide posts are vertically arranged on the lower end surface of the fixing plate positioned in the press-fitting ring, movable positioning rings are sleeved on the guide posts, the lower ends of the guide posts are provided with limit stops, and the movable positioning rings can freely slide on the guide posts; the lower end of the movable positioning ring is provided with a positioning jack, and a spring is sleeved on the part, located between the upper end of the movable positioning ring and the fixed plate, of the guide column.
Furthermore, four mounting grooves are uniformly formed in the circumferential direction of the upper end of the press mounting ring, and a cross-shaped fixing plate is arranged in each mounting groove and fixedly connected with the mounting grooves through a fastening bolt; the cross-shaped fixing plate comprises four fixing arms, the end of each fixing arm is fixedly connected with the press mounting ring through the fastening bolt, and one guide column is arranged on the lower end face of the middle of each fixing arm.
Furthermore, the guide column is a plug bolt, and a threaded part of the plug bolt penetrates through a through hole preset in the fixing plate and is screwed with a nut, so that the plug bolt is detachably and fixedly connected with the fixing plate; the movable positioning ring and the spring are sleeved on the column body part of the stop bolt, and the head part of the stop bolt is used as the limit stop.
The utility model relates to a motor bearing pressure equipment device, simple structure, the equipment is convenient, is applicable to the bearing installation that bearing installation department located the weak point on the axle, guarantees to install and targets in place, improves production efficiency, can also adjust the relative position of activity holding ring and pressure equipment ring according to the distance of epaxial installation department and location department simultaneously to be applicable to the motor shaft of multiple not isostructure.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic top view of the present invention;
FIG. 3 isbase:Sub>A schematic sectional view taken along line A-A in FIG. 1;
FIG. 4 is a schematic view of the press-fitting positioning state of the present invention;
fig. 5 is a schematic view of the state of the present invention when the press-fitting is completed.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1-3, a motor bearing press-fitting device comprises a press-fitting ring 1, wherein the upper end of the press-fitting ring 1 is provided with a mounting groove, a fixing plate 2 is arranged in the mounting groove, the fixing plate 2 is fixedly connected with the press-fitting ring 1, a plurality of guide posts are vertically arranged on the lower end surface of the fixing plate 2 positioned in the press-fitting ring 1, movable positioning rings 3 are sleeved on the guide posts, the lower ends of the guide posts are provided with limit stops, and the movable positioning rings 3 can freely slide on the guide posts; the lower end of the movable positioning ring 3 is provided with a positioning jack, and a spring 4 is sleeved on the part of the guide post between the upper end of the movable positioning ring 3 and the fixed plate 2.
The working principle is as follows:
before press fitting, the bearing A to be fitted is firstly sleeved outside the bearing positioning position of the motor shaft B, then the press fitting ring is placed at the end part of the motor shaft, so that the end part of the bearing positioning position enters the positioning jack of the movable positioning ring, as shown in figure 4, the press fitting ring is controlled to press downwards, the end part of the bearing positioning position of the motor shaft continuously extends into the positioning jack, the step at the bearing positioning position is abutted against the movable positioning ring after contacting with the movable positioning ring, the bearing is pressed to the bearing mounting position of the motor shaft by the lower end of the press fitting ring as shown in figure 5, so that the press fitting work of the bearing is completed, after the press fitting is completed, the press fitting ring is moved out, and the movable positioning ring is reset under the action of the spring.
Four mounting grooves are uniformly formed in the upper end of the press mounting ring 1 in the circumferential direction, and cross-shaped fixing plates are arranged in the mounting grooves and fixedly connected through fastening bolts 5; the cross-shaped fixing plate comprises four fixing arms, the end part of each fixing arm is fixedly connected with the press mounting ring 1 through a fastening bolt 5, and a guide column is arranged on the lower end face of the middle part of each fixing arm. By adopting the structure, the connection of the fixed plate can be more stable, and the up-and-down movement of the movable positioning ring can be more stable.
The guide column is a plug bolt 6, and a threaded part of the plug bolt 6 penetrates through a through hole preset in the fixing plate 2 and is screwed with a nut 7, so that the plug bolt 6 is detachably and fixedly connected with the fixing plate 2; the column body part of the stop bolt 6 is sleeved with a movable positioning ring 3 and a spring 4, and the head part of the stop bolt 6 is used as a limit stop. The length of the cylinder part can be changed by replacing different plug bolts, so that the initial position of the movable positioning ring is changed, and the motor shaft with different structures is adapted.
The utility model relates to a motor bearing pressure equipment device, simple structure, the equipment is convenient, is applicable to the bearing installation that the bearing installation department was fixed a position the weak point on the axle, guarantees to install and targets in place, improves production efficiency, can also be simultaneously according to the relative position of the distance adjustment activity holding ring of epaxial installation department and location department and pressure equipment ring to be applicable to the motor shaft of multiple not isostructure.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a motor bearing pressure equipment device which characterized in that: the pressing ring is characterized by comprising a pressing ring, wherein the upper end of the pressing ring is provided with a mounting groove, a fixing plate is arranged in the mounting groove, the fixing plate is fixedly connected with the pressing ring, a plurality of guide posts are vertically arranged on the lower end surface of the fixing plate positioned in the pressing ring, movable positioning rings are sleeved on the guide posts, the lower ends of the guide posts are provided with limit stop blocks, and the movable positioning rings can freely slide on the guide posts;
the lower end of the movable positioning ring is provided with a positioning jack, and a spring is sleeved on the part, located between the upper end of the movable positioning ring and the fixed plate, of the guide column.
2. A motor bearing press fitting device according to claim 1, wherein: four mounting grooves are uniformly formed in the upper end of the press fitting ring in the circumferential direction, and a cross-shaped fixing plate is arranged in each mounting groove and fixedly connected with the mounting groove through a fastening bolt;
the cross-shaped fixing plate comprises four fixing arms, the end portion of each fixing arm is fixedly connected with the press mounting ring through the fastening bolt, and one guide column is arranged on the lower end face of the middle portion of each fixing arm.
3. A motor bearing press fitting device according to claim 1, wherein: the guide column is a plugging bolt, and the threaded part of the plugging bolt penetrates through a through hole preset in the fixing plate and is screwed with a nut, so that the plugging bolt is detachably and fixedly connected with the fixing plate;
the movable positioning ring and the spring are sleeved on the column body part of the stop bolt, and the head part of the stop bolt is used as the limit stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221991280.3U CN218136166U (en) | 2022-07-31 | 2022-07-31 | Motor bearing press-fitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221991280.3U CN218136166U (en) | 2022-07-31 | 2022-07-31 | Motor bearing press-fitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218136166U true CN218136166U (en) | 2022-12-27 |
Family
ID=84595506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221991280.3U Active CN218136166U (en) | 2022-07-31 | 2022-07-31 | Motor bearing press-fitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218136166U (en) |
-
2022
- 2022-07-31 CN CN202221991280.3U patent/CN218136166U/en active Active
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