CN211231439U - Centre-to-centre spacing fixed type rotary speed reducer - Google Patents
Centre-to-centre spacing fixed type rotary speed reducer Download PDFInfo
- Publication number
- CN211231439U CN211231439U CN201821466425.1U CN201821466425U CN211231439U CN 211231439 U CN211231439 U CN 211231439U CN 201821466425 U CN201821466425 U CN 201821466425U CN 211231439 U CN211231439 U CN 211231439U
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- centre
- slewing
- circle
- slewing bearing
- seat
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 17
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to a fixed slewing reducer of centre-to-centre spacing, it includes base (1), base (1) is including axle housing (11) and seat circle (12), be provided with worm (2) in axle housing (11), be provided with slewing bearing (3) in seat circle (12), slewing bearing (3) are including inner circle (31) and outer lane (32), worm (2) mesh mutually with outer lane (32), seat circle (12) hole is the step hole, inner circle (31) of slewing bearing (3) are provided with boss (4), boss (4) form the location tang with seat circle (12) hole cooperation. The utility model relates to a fixed slewing reducer of centre-to-centre spacing adopts the location tang to fix a position between its slewing bearing inner circle and the base to make this slewing reducer assembly simple, with low costs, use maintenance convenience, because the location tang diameter is great, bearing capacity is high, can not become invalid.
Description
Technical Field
The utility model relates to a fixed rotary reducer of centre-to-centre spacing, wide application in various drive mechanism, especially solar energy power generation tracker and engineering machine tool drive mechanism.
Background
At present, the worm gear transmission of a slewing bearing type slewing reducer is widely applied to various slewing reduction transmission devices due to the characteristics of large transmission ratio, stable transmission, self-locking and the like. The positioning of the slewing bearing and the base of the structure is generally carried out by positioning pins or positioning screws, and the following defects exist:
1. during assembly, a positioning pin or a positioning screw needs to be matched, and the assembly is troublesome;
2. the positioning pin has small bearing capacity and is easy to deform and lose efficacy in the use process;
3. if the speed reducer needs to be disassembled for maintenance in the later use process, the positioning pin or the positioning screw is difficult to disassemble.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a centre-to-centre spacing fixed slewing reducer is provided to above-mentioned prior art, adopt the location tang to fix a position between its slewing bearing inner circle and the base to make this slewing reducer assembly simple, with low costs, because the location tang diameter is great, bearing capacity is high, can not become invalid.
The utility model provides a technical scheme that above-mentioned problem adopted does: the utility model provides a fixed slewing reducer of centre-to-centre spacing, it includes the base, the base includes axle housing and seat circle, be provided with the worm in the axle housing, be provided with slewing bearing in the seat circle, slewing bearing includes inner circle and outer lane, form the raceway between inner circle and the outer lane, be provided with the rolling element in the raceway, the worm meshes with the outer lane mutually, the seat circle hole is the step hole, slewing bearing's inner circle is provided with the boss, the boss forms the location tang with seat circle hole cooperation.
Preferably, the shaft housing and the race are integrally formed by casting.
Compared with the prior art, the utility model has the advantages of:
the utility model relates to a fixed slewing reducer of centre-to-centre spacing adopts the location tang to fix a position between its slewing bearing inner circle and the base to make this slewing reducer assembly simple, with low costs, use maintenance convenience, because the location tang diameter is great, bearing capacity is high, can not become invalid.
Drawings
Fig. 1 is a schematic structural view of a center-distance fixed type slewing reducer of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
Wherein:
Axle housing 11
Worm 2
Slewing bearing 3
Raceway 33
The rolling elements 34
And a boss 4.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 and fig. 2, a center-to-center fixed type slewing reducer in this embodiment includes a base 1, where the base 1 includes a shaft housing 11 and a race 12, a worm 2 is disposed in the shaft housing 11, a slewing bearing 3 is disposed in the race 12, the slewing bearing 3 includes an inner ring 31 and an outer ring 32, a raceway 33 is formed between the inner ring 31 and the outer ring 32, a rolling body 34 is disposed in the raceway 33, the worm 2 is engaged with the outer ring 32, an inner hole of the race 12 is a stepped hole, the inner ring 31 of the slewing bearing 3 is provided with a boss 4, and the boss 4 is matched with the inner hole of the race 12 to form a positioning spigot, so as to fix a relative position between the slewing bearing and the base and fix a center-to-;
the shaft housing 11 and the race 12 are integrally formed by casting.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (2)
1. The utility model provides a fixed rotary reducer of centre-to-centre spacing which characterized in that: it includes base (1), base (1) is including axle housing (11) and seat circle (12), be provided with worm (2) in axle housing (11), be provided with slewing bearing (3) in seat circle (12), slewing bearing (3) are including inner circle (31) and outer lane (32), form raceway (33) between inner circle (31) and outer lane (32), be provided with rolling element (34) in raceway (33), worm (2) mesh mutually with outer lane (32), seat circle (12) hole is the step hole, inner circle (31) of slewing bearing (3) are provided with boss (4), boss (4) and seat circle (12) hole cooperation form the location tang.
2. A center-distance fixed type slewing reducer according to claim 1, wherein: the shaft shell (11) and the seat ring (12) are integrally formed through casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821466425.1U CN211231439U (en) | 2018-09-08 | 2018-09-08 | Centre-to-centre spacing fixed type rotary speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821466425.1U CN211231439U (en) | 2018-09-08 | 2018-09-08 | Centre-to-centre spacing fixed type rotary speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211231439U true CN211231439U (en) | 2020-08-11 |
Family
ID=71915112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821466425.1U Active CN211231439U (en) | 2018-09-08 | 2018-09-08 | Centre-to-centre spacing fixed type rotary speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211231439U (en) |
-
2018
- 2018-09-08 CN CN201821466425.1U patent/CN211231439U/en active Active
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Legal Events
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| GR01 | Patent grant |