CN201902515U - Novel wheel-side bevel gear reducing mechanism - Google Patents
Novel wheel-side bevel gear reducing mechanism Download PDFInfo
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- CN201902515U CN201902515U CN2010206655451U CN201020665545U CN201902515U CN 201902515 U CN201902515 U CN 201902515U CN 2010206655451 U CN2010206655451 U CN 2010206655451U CN 201020665545 U CN201020665545 U CN 201020665545U CN 201902515 U CN201902515 U CN 201902515U
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- China
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- bevel gear
- wheel
- wheel reductor
- awl
- cross axle
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Abstract
The utility model relates to a reducing mechanism, in particular to a novel wheel-side bevel gear reducing mechanism, which comprises a wheel-side reducer inner shell, a wheel-side reducer outer shell, a sun bevel gear, a planetary bevel gear, a bevel gear ring and a spider, wherein the sun bevel gear is installed on an axle shaft. The spider is a spider with an inclination angle. A bushing is pressed on the spider. A needle spacing ring is assembled outside the bushing. The planetary bevel gear is installed on the needle spacing ring. One side of the planetary bevel gear is engaged with the sun bevel gear and the other side of the planetary bevel gear is engaged with the bevel gear ring. The inner hole of the bevel gear ring is sheathed on a shaft tube and the bevel gear ring is tightly pressed by an adjusting nut to ensure that the bevel gear ring is in close contact with the end surface of a hub bearing. The wheel-side reducer outer shell, the spider and the wheel-side reducer inner shell are sequentially assembled to a wheel-side reducer assembly. The wheel-side reducer assembly is connected with a hub through bolts. The novel wheel-side bevel gear reducing mechanism has the characteristics of simple structure, light weight, high transmission efficiency, strong torque bearing capacity and the like, and is suitable for military vehicles and off-highway vehicles used in oil fields, on construction sites, in mines and the like.
Description
Technical field
The utility model relates to a kind of reducing gear, particularly a kind of novel limit bevel gear reducer structure of taking turns that is used on the hub reduction ransaxle.
Background technique
At present, China's hub reduction ransaxle comparatively is widely used on non-highway car such as oil field, building site, mine and the military car, and overload is serious, road conditions are abominable, so rate of fault is higher.And the hub reduction ransaxle that China uses is to be optimized on following two group bases substantially, the one, introduce Austrian STR hub reduction ransaxle, the 2nd, introduce Germany's benz hub reduction ransaxle, the hub reduction mechanism of these two groups is more or less the same, they all be the band planet carrier structure planetary gear train wheel reductor (as accompanying drawing 3) shown in, included cylinder toothed ring gear 17, cylinder tooth planetary pinion 18, planet carrier 19, cylinder tooth sun gear 20 and antifriction pad 21 etc., its structure is more complicated all, number of spare parts is many, transmission efficiency is low, and rate of fault is higher.
Summary of the invention
The technical problems to be solved in the utility model is: in order to adapt to domestic special road conditions, a kind of simple in structure, light weight, transmission efficiency height are provided, bear the strong novel limit bevel gear reducer structure of taking turns of moment of torsion.
The technological scheme that solves the problems of the technologies described above is: a kind of novel limit bevel gear reducer structure of taking turns, comprise wheel reductor housing, sun gear, planetary pinion and gear ring, and described wheel reductor housing is divided into wheel reductor shell and wheel reductor inner casing; Described sun gear is awl tooth sun gear, and this awl tooth sun gear is installed on the semiaxis; Described planetary pinion is the awl toothed ring gear for awl tooth planetary pinion, gear ring; The described novel limit bevel gear reducer structure of taking turns also includes cross axle, be pressed with lining on this cross axle, lining is equipped with the needle roller spacer ring outward, described awl tooth planetary pinion is installed on this needle roller spacer ring, and planetary side of awl tooth and the engagement of awl tooth sun gear, opposite side and the engagement of awl toothed ring gear; The inner hole sleeve of described awl toothed ring gear is contained on the central siphon, and compress by adjusting nut, make it be close to the hub bearing end face, described wheel reductor shell, cross axle, wheel reductor inner casing are assembled into the wheel reductor assembly successively, and the wheel reductor assembly is connected with wheel hub by bolt.
Further technological scheme of the present utility model is: described cross axle adopts the cross axle that has the tilt angle, and the span of inclined angle alpha is: α=7～9 °.
The seal ring that can stop lubricant oil to leak outside also is installed on the described cross axle.
Further again technological scheme of the present utility model is: the end face thrust bearing is installed in the draw-in groove of described wheel reductor shell, and described awl tooth sun gear rolls with this end face thrust bearing and cooperates.
Described wheel hub with end face that the wheel reductor assembly cooperates on the O RunddichtringO also is installed.
Because adopt said structure, the novel limit bevel gear reducer structure of taking turns of the utility model is compared with existing wheel reductor, has following beneficial effect:
1, simple in structure, quality is lighter:
Because the utility model is to be optimized on traditional hub reduction mechanism basis, promptly be to adopt cross axle to replace planet stent, awl tooth planetary pinion on the cross axle has replaced cylinder tooth planetary pinion, replace cylinder tooth sun gear and cylinder toothed ring gear with awl tooth sun gear and awl toothed ring gear, replace traditional antifriction pad with the face thrust bearing, the hub reduction mechanism of this form compares with the planetary gear train wheel reductor of traditional band planet carrier structure, its structure is simpler, quality is lighter, and structure is compact more.
2, transmission efficiency height: owing to be pressed with lining on the cross axle of the present utility model, lining is equipped with the needle roller spacer ring outward, awl tooth planetary pinion is installed on this needle roller spacer ring, therefore by the needle roller spacer ring, form rolling motion between awl tooth planetary pinion and the cross axle, make transmission more reliable, thereby can improve transmission efficiency.
In addition, cross axle of the present utility model adopts the cross axle that has the tilt angle, and the span of this inclined angle alpha is: α=7～9 °, can make that like this tooth and tooth engagement between awl tooth planetary pinion and the awl tooth sun gear are more reliable, thereby also can further improve the transmission efficiency of this reducing gear.
3, it is strong to bear moment of torsion:
The utility model adopts awl tooth planetary pinion to replace cylinder tooth planetary pinion, replace cylinder tooth sun gear and cylinder toothed ring gear with awl tooth sun gear and awl toothed ring gear, because the bevel gear engagement is bigger than the contact ratio of cylindrical gears engagement, ability to bear is higher, transmission is more steady, therefore, this is novel take turns limit bevel gear reducer structure to bear moment of torsion stronger, greatly reduce the rate of fault of part, relatively be suitable for using under, the overload serious situation abominable in road conditions.
4, service life of gear is long:
Because this reducing gear adopts awl tooth planetary pinion to replace cylinder tooth planetary pinion, replaces cylinder tooth sun gear and cylinder toothed ring gear with awl tooth sun gear and awl toothed ring gear, therefore, can improve the ability to bear of gear, thereby prolong the working life of gear.In addition, owing in the draw-in groove of wheel reductor shell of the present utility model the end face thrust bearing is installed, awl tooth sun gear lies on this end face thrust bearing, can make hub reduction shell and awl tooth sun gear form rolling friction between the two like this, reduce wear, thereby also can prolong the working life of boring the tooth sun gear.
In sum, this novel limit bevel gear reducer structure of taking turns can remedy the technological deficiency that the existing hub reduction mechanism in present Domestic market exists, its reliability, stability, transmission performance all can satisfy the oil field, the building site, demand on non-highway car such as mine and the military car, therefore, the utility model not only can be domestic each truck main engine factory development hub reduction doube bridge product and technical support is provided, also can further promote the technical merit and the overall strength of China's automotive axle industry, drive the development of domestic automobile vehicle bridge industry, and then promote the development of China's automobile and component industry.
Below, the novel technical characteristics of taking turns limit bevel gear reducer structure to the utility model is further described in conjunction with the accompanying drawings and embodiments.
Description of drawings
Fig. 1: the novel structural representation of taking turns limit bevel gear reducer structure of the utility model,
Fig. 2: this novel annexation schematic representation of taking turns between limit bevel gear reducer structure and the wheel hub,
Fig. 3: the structural representation of existing hub reduction mechanism,
Among the figure,
The 1-seal ring, 2-end face thrust bearing, 3-awl tooth sun gear, 4-needle roller spacer ring,
The 5-lining, 6-wheel reductor shell, the 7-cross axle, 8-wheel reductor inner casing,
The 9-planetary pinion, 10-bores toothed ring gear, the 11-semiaxis, the 12-bolt,
13-adjusts nut, the 14-central siphon, and the 15-wheel hub, 16-O sealed type circle,
17-cylinder toothed ring gear, 18-cylinder tooth planetary pinion, the 19-planet carrier, 20-cylinder tooth sun gear,
21-antifriction pad.
Embodiment
Fig. 1 is disclosed to be a kind of novel limit bevel gear reducer structure of taking turns, and it mainly is made of awl tooth sun gear 3, wheel reductor shell 6, cross axle 7, wheel reductor inner casing 8, four awl tooth planetary pinions 9 and awl toothed ring gear 10.
Described awl tooth sun gear 3 is installed on the semiaxis 11, and end face thrust bearing 2 is installed in the draw-in groove of described wheel reductor shell 6, and this end face thrust bearing 2 forms to roll with awl tooth sun gear 3 and cooperates; Described cross axle 7 adopts the cross axle that has inclined angle alpha=7.5 °, the seal ring 1 that can stop lubricant oil to leak outside is installed on this cross axle 7, also be pressed with lining 5, the lining 5 outer needle roller spacer rings 4 that are equipped with, described awl tooth planetary pinion 9 is installed on this needle roller spacer ring 4, by this needle roller spacer ring 4, forms rolling motion between awl tooth planetary pinion 9 and the cross axle 7, make more stable transmission reliable, thereby improve transmission efficiency; One side of described awl tooth planetary pinion 9 and 3 engagements of awl tooth sun gear, opposite side and 10 engagements of awl toothed ring gear; Described awl toothed ring gear 10 inner hole sleeves are contained on the central siphon 14, and compress by adjusting nut 13, make it be close to the hub bearing end face, described wheel reductor shell 6, cross axle 7, wheel reductor inner casing 8 are assembled into the wheel reductor assembly successively, and the wheel reductor assembly is connected with wheel hub 15 by bolt 12; Described wheel hub 15 with end face that the wheel reductor assembly cooperates on O RunddichtringO 16 also is installed.
When assembling the utility model, adopt interference fit to be fitted on the cross axle 7 lining 5 earlier, needle roller spacer ring 4 is assemblied in and press-fits on the good lining 5, awl tooth planetary pinion 9 is assemblied on the needle roller spacer ring 4 again; Then seal ring 1 is contained on the cross axle 7; End face thrust bearing 2 is put into the draw-in groove of wheel reductor shell 6, will bore tooth sun gear 3 again and lie on the end face thrust bearing 2, make hub reduction shell 6 and awl tooth sun gear 3 form rolling friction between the two, reduce wear; To install the planetary cross axle of awl tooth then and assemble with awl tooth sun gear 3, awl tooth planetary pinion 9 meshes with awl tooth sun gear 3; Again wheel reductor inner casing 8, cross axle 7 and wheel reductor shell 6 are made up, be assembled into the wheel reductor assembly like this; To bore toothed ring gear 10 and be installed on the central siphon 14, and be close to, with adjusting nut 13 locking cone toothed ring gears 10 with the hub bearing end face by spline fitted; At last the wheel reductor assembly is connected with wheel hub 15 by bolt 12, wheel reductor assembly and wheel hub stop lubricant oil to leak outside by 16 sealings of O sealed type circle.
The novel deceleration working principle of taking turns limit bevel gear reducer structure of the utility model:
Power is delivered to awl tooth sun gear 3 from semiaxis 11 by spline, awl tooth sun gear 3 and 9 engagements of awl tooth planetary pinion; Awl tooth planetary pinion 9 and 10 engagements of awl toothed ring gear, because awl toothed ring gear 10 passes through splined with semiaxis 11, therefore fixing can not the rotation bored tooth sun gear 3 and driven awl tooth planetary pinion 9 around the revolution of awl toothed ring gear, and awl tooth planetary pinion drives cross axle 7 by revolution and rotates.Cross axle 7 cooperates by axis hole with the wheel reductor inside and outside shell, and cross axle 7 driven wheel side reducer inside and outside shells rotate together, makes whole wheel reductor assembly rotate; Bolt 12 is connected into integral body with wheel reductor assembly and wheel hub 15, and wheel reductor assembly and wheel hub 15 rotate with speed, finally drive tyre rotation.
As a kind of conversion of present embodiment, the inclined angle alpha of described cross axle 7 can also increase or reduce, and as 7 °, 8 °, 9 ° etc., generally its span is: α=7～9 °.
Certainly, as another conversion of present embodiment, described cross axle also can adopt the cross axle at the no angle of inclination of tradition, and just the engagement of tooth and tooth does not have so reliable.
As another conversion of present embodiment, also end face thrust bearing 2 can be installed in the draw-in groove of described wheel reductor shell 6, but the antifriction pad is installed, just its friction reducing effect is so not good.
Claims (5)
1. the novel limit bevel gear reducer structure of taking turns comprises wheel reductor housing, sun gear, planetary pinion and gear ring, and it is characterized in that: described wheel reductor housing is divided into wheel reductor shell (6) and wheel reductor inner casing (8); Described sun gear is awl tooth sun gear (3), and this awl tooth sun gear (3) is installed on the semiaxis (11); Described planetary pinion is awl tooth planetary pinion (9), and gear ring is awl toothed ring gear (10); The described novel limit bevel gear reducer structure of taking turns also includes cross axle (7), be pressed with lining (5) on this cross axle (7), the outer needle roller spacer ring (4) that is equipped with of lining (5), described awl tooth planetary pinion (9) is installed on this needle roller spacer ring (4), and a side of awl tooth planetary pinion (9) and awl tooth sun gear (3) engagement, opposite side and awl toothed ring gear (10) engagement; The inner hole sleeve of described awl toothed ring gear (10) is contained on the central siphon (14), and compress by adjusting nut (13), make it be close to the hub bearing end face, described wheel reductor shell (6), cross axle (7), wheel reductor inner casing (8) are assembled into the wheel reductor assembly successively, and the wheel reductor assembly is connected with wheel hub (15) by bolt (12).
2. the novel limit bevel gear reducer structure of taking turns according to claim 1 is characterized in that: described cross axle (7) adopts the cross axle have the tilt angle, and the span of inclined angle alpha is: α=7～9 °.
3. the novel limit bevel gear reducer structure of taking turns according to claim 2 is characterized in that: the seal ring (1) that can stop lubricant oil to leak outside also is installed on the described cross axle (7).
4. the novel limit bevel gear reducer structure of taking turns according to claim 1, it is characterized in that: end face thrust bearing (2) is installed in the draw-in groove of described wheel reductor shell (6), and described awl tooth sun gear (3) rolls with this end face thrust bearing (2) and cooperates.
5. according to the described novel limit bevel gear reducer structure of taking turns of the arbitrary claim in the claim 1 to 4, it is characterized in that: described wheel hub (15) with end face that the wheel reductor assembly cooperates on O RunddichtringO (16) also is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206655451U CN201902515U (en) | 2010-12-17 | 2010-12-17 | Novel wheel-side bevel gear reducing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206655451U CN201902515U (en) | 2010-12-17 | 2010-12-17 | Novel wheel-side bevel gear reducing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201902515U true CN201902515U (en) | 2011-07-20 |
Family
ID=44273110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206655451U Expired - Lifetime CN201902515U (en) | 2010-12-17 | 2010-12-17 | Novel wheel-side bevel gear reducing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201902515U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562955A (en) * | 2010-12-17 | 2012-07-11 | 方盛车桥（柳州）有限公司 | Novel wheel hub reduction mechanism with bevel gears |
| CN104747680A (en) * | 2013-12-27 | 2015-07-01 | 陕西汉德车桥有限公司 | Inter-axle differential with ZUWGW planet wheels |
| CN107152499A (en) * | 2016-03-04 | 2017-09-12 | 德昌电机(深圳)有限公司 | drive device |
-
2010
- 2010-12-17 CN CN2010206655451U patent/CN201902515U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562955A (en) * | 2010-12-17 | 2012-07-11 | 方盛车桥（柳州）有限公司 | Novel wheel hub reduction mechanism with bevel gears |
| CN102562955B (en) * | 2010-12-17 | 2016-02-17 | 方盛车桥（柳州）有限公司 | Novel wheel hub reduction mechanism with bevel gears |
| CN104747680A (en) * | 2013-12-27 | 2015-07-01 | 陕西汉德车桥有限公司 | Inter-axle differential with ZUWGW planet wheels |
| CN107152499A (en) * | 2016-03-04 | 2017-09-12 | 德昌电机(深圳)有限公司 | drive device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110720 Effective date of abandoning: 20160217 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |