CN203880053U - Spiral bevel gear positioning structure of reduction gearbox - Google Patents
Spiral bevel gear positioning structure of reduction gearbox Download PDFInfo
- Publication number
- CN203880053U CN203880053U CN201420300666.4U CN201420300666U CN203880053U CN 203880053 U CN203880053 U CN 203880053U CN 201420300666 U CN201420300666 U CN 201420300666U CN 203880053 U CN203880053 U CN 203880053U
- Authority
- CN
- China
- Prior art keywords
- bevel gear
- spiral bevel
- roller bearing
- end surface
- reduction gearbox
- 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.)
- Expired - Lifetime
Links
- 239000000203 mixture Substances 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
Landscapes
- Gears, Cams (AREA)
- General Details Of Gearings (AREA)
Abstract
A spiral bevel gear positioning structure of a reduction gearbox comprises an electric forklift reduction gearbox body and a conical roller bearing, the conical roller bearing is installed on the electric forklift reduction gearbox body, the two ends of a gear shaft are respectively fixed to an inner ring of the conical roller bearing, a blocking bar and a convex ring are formed on the gear shaft, the convex ring of the gear shaft is sleeved with a bushing in an inserted mode and inserted in a shaft hole of a spiral bevel gear in a sleeved mode, the spiral bevel gear is fixed to the gear shaft through a spline, the upper end face of the bushing is pressed onto the blocking bar, the upper end face of the spiral bevel gear is pressed against the lower end face of the bushing, and the lower end face of the spiral bevel gear is pressed against the upper end face of the inner ring of the conical roller bearing. Due to the spiral bevel gear positioning structure of the reduction gearbox, the positioning accuracy of the spiral bevel gear is improved, no deformation is generated in the positioning process of the spiral bevel gear when there are heavy loads on a forklift, and noise generated by a gearbox is lowered.
Description
Technical field:
The utility model relates to fork truck technical field, more specifically to the spiral bevel gear position structure on a kind of electric forklift speed reduction box.
Background technique:
At present, spiral bevel gear on domestic electric forklift speed reduction box all adopts the orientation type of involute splines flank centering, this orientation type, in the time of fork truck heavy duty, spiral bevel gear is subject to an axial force, because spline location exists certain gap and circular runout, the location of spiral bevel gear produces distortion again, thus make gearbox produce abnormal sound or noise excessive.
Model utility content:
The purpose of this utility model is exactly the deficiency for prior art, and provide a kind of speed reducer spiral bevel gear position structure, it has improved the positioning precision of spiral bevel gear, and in the time of fork truck heavy duty, the location of spiral bevel gear does not produce distortion, reduces the noise that gearbox produces.
Technology solution of the present utility model is as follows:
Speed reducer spiral bevel gear position structure, comprise electric forklift speed reduction box casing and tapered roller bearing, on electric forklift speed reduction box casing, tapered roller bearing is installed, two ends of tooth axle are separately fixed on the inner ring of tapered roller bearing, on tooth axle, form blend stop and bulge loop, the axis hole sleeve of lining and spiral bevel gear is on the bulge loop of tooth axle, spiral bevel gear is fixed on tooth axle by spline, the upper-end surface of lining is pressed on blend stop, the upper-end surface of spiral bevel gear is pressed against on the lower end surface of lining, the lower end surface of spiral bevel gear is pressed against on the upper-end surface of inner ring of tapered roller bearing.
Described spline is involute splines, and the diameter of bulge loop is than the little 0.02～0.05mm in the aperture of the axis hole of spiral bevel gear.
The beneficial effects of the utility model are:
It has improved the positioning precision of spiral bevel gear, and in the time of fork truck heavy duty, the location of spiral bevel gear does not produce distortion, reduces the noise that gearbox produces.
Brief description of the drawings:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the enlarged view of spiral bevel gear and tooth shaft portion in Fig. 1.
In figure: 1, spline; 2, spiral bevel gear; 3, lining; 4, tooth axle; 41, blend stop; 42, bulge loop; 5, electric forklift speed reduction box casing; 6, tapered roller bearing.
Embodiment:
Embodiment: as shown in Figure 1, speed reducer spiral bevel gear position structure, comprise electric forklift speed reduction box casing 5 and tapered roller bearing 6, tapered roller bearing 6 is installed on electric forklift speed reduction box casing 5, two ends of tooth axle 4 are separately fixed on the inner ring of tapered roller bearing 6, on tooth axle 4, form blend stop 41 and bulge loop 42, the axis hole sleeve of lining 3 and spiral bevel gear 2 is on the bulge loop 42 of tooth axle 4, spiral bevel gear 2 is fixed on tooth axle 4 by spline 1, the upper-end surface of lining 3 is pressed on blend stop 41, the upper-end surface of spiral bevel gear 2 is pressed against on the lower end surface of lining 3, the lower end surface of spiral bevel gear 2 is pressed against on the upper-end surface of inner ring of tapered roller bearing 6.
Described spline 1 is involute splines, and the diameter of bulge loop 42 is than the little 0.02～0.05mm in the aperture of the axis hole of spiral bevel gear 2.
Working principle: because spiral bevel gear 2 is fixed on tooth axle 4 by spline 1, the upper-end surface of lining 3 is pressed on blend stop 41, the upper-end surface of spiral bevel gear 2 is pressed against on the lower end surface of lining 3, and the lower end surface of spiral bevel gear 2 is pressed against on the upper-end surface of inner ring of tapered roller bearing 6.Like this in the time of fork truck heavy duty, spiral bevel gear 2 can be subject to the blocking location of lining 3, spline 2 and 6 three parts of tapered roller bearing, so it has improved the positioning precision of spiral bevel gear, in the time of fork truck heavy duty, the location of spiral bevel gear does not produce distortion, reduces the noise that gearbox produces.
In prior art, between spiral bevel gear 2 and tooth axle 4, have larger gap, the utility model reduces the horizontal jitter space of spiral bevel gear 2 by bulge loop 42 sleeves in the axis hole of spiral bevel gear 2, guarantees not compressive deformation of spiral bevel gear 2.
Claims (2)
1. speed reducer spiral bevel gear position structure, comprise electric forklift speed reduction box casing (5) and tapered roller bearing (6), tapered roller bearing (6) is installed on electric forklift speed reduction box casing (5), two ends of tooth axle (4) are separately fixed on the inner ring of tapered roller bearing (6), it is characterized in that: on tooth axle (4), form blend stop (41) and bulge loop (42), the axis hole sleeve of lining (3) and spiral bevel gear (2) is on the bulge loop (42) of tooth axle (4), spiral bevel gear (2) is fixed on tooth axle (4) by spline (1), the upper-end surface of lining (3) is pressed on blend stop (41), the upper-end surface of spiral bevel gear (2) is pressed against on the lower end surface of lining (3), the lower end surface of spiral bevel gear (2) is pressed against on the upper-end surface of inner ring of tapered roller bearing (6).
2. speed reducer spiral bevel gear position structure according to claim 1, it is characterized in that: spline (1) is involute splines, and the diameter of bulge loop (42) is than the little 0.02～0.05mm in aperture of the axis hole of spiral bevel gear (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420300666.4U CN203880053U (en) | 2014-06-06 | 2014-06-06 | Spiral bevel gear positioning structure of reduction gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420300666.4U CN203880053U (en) | 2014-06-06 | 2014-06-06 | Spiral bevel gear positioning structure of reduction gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203880053U true CN203880053U (en) | 2014-10-15 |
Family
ID=51680551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420300666.4U Expired - Lifetime CN203880053U (en) | 2014-06-06 | 2014-06-06 | Spiral bevel gear positioning structure of reduction gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203880053U (en) |
-
2014
- 2014-06-06 CN CN201420300666.4U patent/CN203880053U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203770396U (en) | Self-lubricating and self-aligning ball bearing component for automobile steering engine | |
| CN203880053U (en) | Spiral bevel gear positioning structure of reduction gearbox | |
| CN204942463U (en) | Detachable gear wheel axle | |
| CN102644636A (en) | Spline pair with rubber ring | |
| CN203770406U (en) | Outer bearing ring structure of main shaft of machine tool | |
| CN203412984U (en) | Integrated synchronizer gear sleeve | |
| CN202963476U (en) | Motorized spindle rotor core double-conical-surface locating mechanism | |
| CN202591629U (en) | Main shaft of machine tool | |
| CN202690718U (en) | Motor shaft | |
| CN203413102U (en) | Transmission device on speed reducer | |
| CN204198202U (en) | The gear ring fixed sturcture of elevator traction machine | |
| CN204449343U (en) | A kind of major axis carry-over moment structure | |
| CN203170985U (en) | Transmission shaft | |
| CN204300102U (en) | A kind of lazy tooth axle | |
| CN103722527B (en) | Belt pulley installation structure | |
| CN203189495U (en) | Motor shaft | |
| CN206845810U (en) | A kind of engine mission and its bevel gear | |
| CN206429536U (en) | A kind of new-type transmission positioning bearing | |
| CN202659643U (en) | Spline pair with rubber ring | |
| CN207349401U (en) | A kind of detachable gear wheel device | |
| CN202978474U (en) | Motor rotor assembly | |
| CN208295079U (en) | A kind of bevel gear pair | |
| CN205026059U (en) | Bevel gear hard tooth -face speed reducer box | |
| CN205395658U (en) | Syllogic axle housing spindle nose for assembly | |
| CN206449156U (en) | A kind of conveyer belt connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141015 |