CN211614332U - Sleeve type mechanical speed change main shaft mechanism - Google Patents
Sleeve type mechanical speed change main shaft mechanism Download PDFInfo
- Publication number
- CN211614332U CN211614332U CN201922447844.1U CN201922447844U CN211614332U CN 211614332 U CN211614332 U CN 211614332U CN 201922447844 U CN201922447844 U CN 201922447844U CN 211614332 U CN211614332 U CN 211614332U
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- bearing
- main shaft
- sleeve
- gear
- seat
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- Expired - Fee Related
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Abstract
The utility model belongs to the technical field of machinery, in particular to a sleeve type mechanical speed change main shaft mechanism, which comprises a main shaft, a sleeve, a transmission shaft and a belt pulley; one end of the main shaft is sleeved with a first bearing, and the other end of the main shaft is sleeved with a second bearing; the sleeve is sleeved on the outer ring of the first bearing, a supporting seat and a bearing seat are arranged between the sleeve and the outer ring of the second bearing, the supporting seat is positioned above the main shaft, and the bearing seat is positioned below the main shaft; a first gear is arranged in the middle of the main shaft; a third bearing is arranged in the bearing seat, and the transmission shaft penetrates through an inner ring of the third bearing and is fixed with the inner ring of the third bearing; one end of the transmission shaft is provided with a second gear, and the other end of the transmission shaft is provided with a belt pulley; the first gear is meshed with the second gear; a rear gland is arranged on the side surfaces of the second bearing and the supporting seat, and a rear spacer bush is arranged on the rear gland. The utility model discloses simplify main shaft mechanism's structure and improved the moment of torsion.
Description
Technical Field
The utility model belongs to the technical field of machinery, concretely relates to telescopic mechanical variable speed spindle mechanism.
Background
The main shaft means a shaft that receives power from an engine or a motor and transmits it to other members. The spindle mechanism is a complex transmission component, and comprises a spindle assembly, a reversing mechanism and the like. The existing spindle mechanism has the disadvantages of complex structure, inconvenient maintenance and smaller torque.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a telescopic mechanical variable speed main shaft mechanism for simplify main shaft mechanism's structure and improve the moment of torsion.
In order to solve the technical problem, the utility model discloses a technical scheme does:
a sleeve type mechanical speed change main shaft mechanism comprises a main shaft, a sleeve, a transmission shaft and a belt pulley; one end of the main shaft is sleeved with a first bearing, and the other end of the main shaft is sleeved with a second bearing; the sleeve is sleeved on the outer ring of the first bearing, a supporting seat and a bearing seat are arranged between the sleeve and the outer ring of the second bearing, the supporting seat is positioned above the main shaft, and the bearing seat is positioned below the main shaft; a first gear is arranged in the middle of the main shaft; a third bearing is arranged in the bearing seat, and the transmission shaft penetrates through an inner ring of the third bearing and is fixed with the inner ring of the third bearing; one end of the transmission shaft is provided with a second gear, and the other end of the transmission shaft is provided with the belt pulley; the first gear is meshed with the second gear; and a rear gland is arranged on the side surfaces of the second bearing and the supporting seat, and a rear spacer bush is arranged on the rear gland.
In the sleeve type mechanical speed change spindle mechanism provided by the present invention, preferably, the first bearing is a crossed roller bearing.
In the sleeve type mechanical speed change spindle mechanism provided by the present invention, preferably, the second bearing and the third bearing are deep groove ball bearings.
In the sleeve type mechanical speed change main shaft mechanism provided by the utility model, preferably, the sleeve type mechanical speed change main shaft mechanism further comprises a waterproof ring, and the waterproof ring is arranged on the main shaft and the sleeve.
In the sleeve type mechanical speed change spindle mechanism provided by the present invention, preferably, the spindle is a hollow shaft.
By adopting the technical scheme, the crossed roller bearing is adopted between the main shaft and the sleeve, so that the structure of the main shaft mechanism is simplified on the premise of meeting the requirements on strength and rigidity; through the telescopic design, the maintenance is convenient. The main shaft is provided with the first gear, the transmission shaft is provided with the second gear, the rotating speed ratio is changed through the gears to provide large torque, the power of the motor is reduced, and the cost is saved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-a main shaft, 2-a sleeve, 3-a transmission shaft, 4-a belt pulley, 5-a first bearing, 6-a second bearing, 7-a support seat, 8-a bearing seat, 9-a first gear, 10-a third bearing, 11-a second gear, 12-a rear gland, 13-a rear spacer bush and 14-a waterproof ring.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
A sleeve type mechanical speed change main shaft mechanism is shown in figure 1 and comprises a main shaft 1, a sleeve 2, a transmission shaft 3 and a belt pulley 4; one end of the main shaft 1 is sleeved with a first bearing 5, and the other end is sleeved with a second bearing 6; the main shaft 1 is a hollow shaft, the first bearing 5 is a cross roller bearing, and the second bearing 6 is a deep groove ball bearing. The sleeve 2 is sleeved on the outer ring of the first bearing 5, a supporting seat 7 and a bearing seat 8 are arranged between the sleeve 2 and the outer ring of the second bearing 6, the supporting seat 7 is positioned above the main shaft 1, and the bearing seat 8 is positioned below the main shaft 1; a first gear 9 is arranged in the middle of the main shaft 1; a third bearing 10 is arranged in the bearing block 8, which third bearing 10 is a deep groove ball bearing. The transmission shaft 3 penetrates through the inner ring of the third bearing 10 and is fixed with the inner ring of the third bearing 10; one end of the transmission shaft 3 is provided with a second gear 11, and the other end is provided with a belt pulley 4; the first gear 9 is meshed with the second gear 11; a rear gland 12 is arranged on the side surface of the second bearing 6 and the supporting seat 7, and a rear spacer 13 is arranged on the rear gland 12.
The utility model discloses still include waterproof circle 14, this waterproof circle 14 sets up on main shaft 1 and sleeve 2.
The cross roller bearing is adopted between the main shaft 1 and the sleeve 2, so the structure of the main shaft mechanism is simplified on the premise of meeting the requirements of strength and rigidity; through the telescopic design, the maintenance is convenient. The main shaft 1 is provided with the first gear 9, the transmission shaft 3 is provided with the second gear 11, and the rotation speed ratio is changed through the gears to provide large torque, so that the power of a motor is reduced, and the cost is saved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (5)
1. A sleeve type mechanical speed change main shaft mechanism is characterized by comprising a main shaft, a sleeve, a transmission shaft and a belt pulley; one end of the main shaft is sleeved with a first bearing, and the other end of the main shaft is sleeved with a second bearing; the sleeve is sleeved on the outer ring of the first bearing, a supporting seat and a bearing seat are arranged between the sleeve and the outer ring of the second bearing, the supporting seat is positioned above the main shaft, and the bearing seat is positioned below the main shaft; a first gear is arranged in the middle of the main shaft; a third bearing is arranged in the bearing seat, and the transmission shaft penetrates through an inner ring of the third bearing and is fixed with the inner ring of the third bearing; one end of the transmission shaft is provided with a second gear, and the other end of the transmission shaft is provided with the belt pulley; the first gear is meshed with the second gear; and a rear gland is arranged on the side surfaces of the second bearing and the supporting seat, and a rear spacer bush is arranged on the rear gland.
2. The telescopic mechanical variable speed spindle mechanism according to claim 1, wherein the first bearing is a crossed roller bearing.
3. The telescopic mechanical variable speed spindle mechanism according to claim 1, wherein the second and third bearings are deep groove ball bearings.
4. The telescopic mechanical shift spindle mechanism of claim 1, further comprising a waterproof ring disposed over the spindle and the sleeve.
5. The telescopic mechanical variable speed spindle mechanism of claim 1, wherein the spindle is a hollow shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922447844.1U CN211614332U (en) | 2019-12-30 | 2019-12-30 | Sleeve type mechanical speed change main shaft mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922447844.1U CN211614332U (en) | 2019-12-30 | 2019-12-30 | Sleeve type mechanical speed change main shaft mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211614332U true CN211614332U (en) | 2020-10-02 |
Family
ID=72634041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922447844.1U Expired - Fee Related CN211614332U (en) | 2019-12-30 | 2019-12-30 | Sleeve type mechanical speed change main shaft mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211614332U (en) |
-
2019
- 2019-12-30 CN CN201922447844.1U patent/CN211614332U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201002 Termination date: 20211230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |