CN202228645U - Hub reduction gear frame, hub reduction gear and vehicle - Google Patents
Hub reduction gear frame, hub reduction gear and vehicle Download PDFInfo
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- CN202228645U CN202228645U CN2011202998067U CN201120299806U CN202228645U CN 202228645 U CN202228645 U CN 202228645U CN 2011202998067 U CN2011202998067 U CN 2011202998067U CN 201120299806 U CN201120299806 U CN 201120299806U CN 202228645 U CN202228645 U CN 202228645U
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- wheel reductor
- mounting hole
- wheel
- framework
- flanged surface
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Abstract
The utility model discloses a hub reduction gear frame. The hub reduction gear frame (10) comprises a cylindrical body (11) and a large end (12) and a small end (13) arranged at two sides of the cylindrical body. The small end comprises a first flange surface (14). The first flange surface is provided with a first installing hole (14a), wherein a second flange surface (15) is further fixed in the hub reduction gear frame. The second flange surface is provided with a second installing hole (15a) aligned to the first installing hole. A hub reduction gear and a vehicle are further provided by the utility model. By fixing a second flange surface in the hub reduction gear frame, the second flange surface can be used as a planet carrier of a planet gear mechanism so as to save a step of assembling a planet carrier. Meanwhile, the aligned positions of the first installing hole and the second installing hole can be kept constantly to ensure the assembling precision.
Description
Technical field
The utility model relates to wheel reductor, particularly, and the wheel reductor and the vehicle that relate to a kind of wheel reductor framework and have this wheel reductor framework.
Background technique
At present in the general arrangement of heavy truck, full-sized bus, engineering machinery vehicle; Need make assemblies such as gearbox, transfer case, transmission shaft can not make the size of these parts and quality excessive because bearing big torque, and need with the big as far as possible ratio of velocity ratio distribute to ransaxle.But; General vehicle bridge main reducing gear is difficult to reach above-mentioned requirements; Therefore the ransaxle of many heavy-duty cars, full-sized bus, engineering machinery adopts single-stage (or twin-stage) the main reducing gear layout of additional wheel side reducer again, to obtain big reduction speed ratio and compact structure.
Wheel reductor generally includes wheel reductor framework 10 and the planetary gears that is arranged in this wheel reductor framework 10, and this planetary gears comprises planet carrier 27.In the existing technology, as shown in Figure 1, big end 12 and small end 13 that wheel reductor framework 10 comprises cylindrical body 11 and is positioned at these cylindrical body 11 both sides.Big end 12 is used for wheel reductor integrally is assembled to parts such as wheel hub, ransaxle, and small end 13 is mainly used in the assembling planetary gears.For example,, be provided with corresponding pilot hole A and B on small end 13 and the planet carrier 27 separately in order to assemble planet carrier 27, thus assembling planet pin (not shown).In addition, be provided with corresponding screw on small end 13 and the planet carrier 27 separately, parts such as planet carrier 27 and planet pin be fixedly installed to small end 13 thereby bolt 27a can pass corresponding screw.
When the screw of processing and assembling hole A and B and correspondence, need at first small end 13 and planet carrier 27 are fixed according to the mounting point of expectation, process corresponding mounting hole then simultaneously.After processing mounting hole, can planet carrier 27 be separated with wheel reductor framework 10, be assembled together through bolt 27a when needed then.Therefore, the time need aim at corresponding mounting hole again in assembling, cause assembly error easily, for example surface of contact can't accurately fit and cause each parts of planetary gears can't normal engaged.This will cause planetary gears in running, to produce distortion, and when retarder is worked, produce unusual noise and heating, and the gear lubrication quality also decreases, and cause service life of gear to reduce.In addition, reason such as before assembling, possibly collide with because of when carrying is accidental makes the pilot hole and the mounting hole of planet carrier 27 and/or wheel reductor framework 10 deform, and more can't guarantee the precision of assembling.
The model utility content
The utility model problem to be solved is to guarantee the assembly precision and simplification assembly process of wheel reductor framework and planetary gears.
To achieve these goals; The utility model provides a kind of wheel reductor framework, and this wheel reductor framework comprises cylindrical body and the big end and the small end that are positioned at these cylindrical body both sides, and this small end comprises first flanged surface; This first flanged surface is provided with first mounting hole; Wherein, also be fixed with second flanged surface in the said wheel reductor framework, this second flanged surface is provided with second mounting hole of aiming at said first mounting hole.
Preferably, said first mounting hole and the coaxial setting of said second mounting hole.
Preferably, said wheel reductor framework comprises the connection column, and this connection column connects said first flanged surface and said second flanged surface.
Preferably, said wheel reductor framework is integrally formed.
The utility model also provides a kind of wheel reductor; Wherein, This wheel reductor comprises the wheel reductor framework of the utility model; Said wheel reductor also comprises sun gear, planetary pinion and the planet pin that is arranged in the said wheel reductor framework, and said planet pin passes said first mounting hole and said second mounting hole is installed, and said planetary pinion is arranged on the said planet pin and with said sun gear and meshes.
Preferably, said second flanged surface is provided with the 3rd mounting hole, and said sun gear passes said the 3rd mounting hole and installs.
Preferably, the said small end oil drain plug that is provided with screw and cooperates with this screw.
The utility model also provides a kind of vehicle, and this vehicle comprises driving axle housing, and wherein, said vehicle also comprises the wheel reductor of the utility model, and said sun gear is installed on the semiaxis of said driving axle housing.
Preferably, said vehicle comprises wheel hub, and said big end is installed to said wheel hub.
Pass through technique scheme; Through in the wheel reductor framework, being fixed with second flanged surface; Can be with the planet carrier of second flanged surface as planetary gears; Thereby the step of having omitted the assembling planet carrier also can remain the aligned position of first mounting hole and second mounting hole, has guaranteed assembly precision.
Other feature and advantage of the utility model will partly specify in embodiment subsequently.
Description of drawings
Accompanying drawing is the further understanding that is used to provide the utility model, and constitutes the part of specification, is used to explain the utility model with following embodiment, but does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is the explanation existing technology is assembled planet carrier in the wheel reductor framework a cross-sectional schematic;
Fig. 2 is a kind of cross-sectional schematic of mode of execution of the wheel reductor framework of explanation the utility model;
Fig. 3 is a kind of cross-sectional schematic of mode of execution of the wheel reductor of explanation the utility model.
Description of reference numerals
10: the wheel reductor framework
11: cylindrical body 12: hold 13 greatly: small end
14: the first flanged surface 14a: the first mounting hole 14b: seal ring mounting groove
15: the second flanged surface 15a: the second mounting hole 15b: the 3rd mounting hole
16: column 17: screw 18: oil drain plug
21: sun gear 22: planetary pinion 23: planet pin 24: bearing
25: ring gear 26: gear ring support 27: planet carrier 27a: bolt
30: seal ring 40: wheel hub 50: driving axle housing 51: semiaxis
A, B: pilot hole
Embodiment
Be elaborated below in conjunction with the embodiment of accompanying drawing to the utility model.Should be understood that embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
In the utility model, not do under the situation of opposite explanation, the noun of locality of use typically refers to reference to upper and lower, left and right shown in the drawings like " upper and lower, left and right "; " inside and outside " is meant inside and outside with respect to the profile of each parts itself.
An aspect according to the utility model; A kind of wheel reductor framework is provided, and this wheel reductor framework 10 comprises cylindrical body 11 and big end that is positioned at these cylindrical body 11 both sides 12 and small end 13, and this small end 13 comprises first flanged surface 14; This first flanged surface is provided with the first mounting hole 14a; Wherein, also be fixed with second flanged surface 15 in the said wheel reductor framework 10, this second flanged surface 15 is provided with the second mounting hole 15a that aims at the said first mounting hole 14a.
In the utility model, second flanged surface 15 can be used as the planet carrier of planetary gears, and is used to assemble planet pin 23.In other words, the planet carrier in the utility model is the part of wheel reductor framework 10, thus assembling aim at again the time need not in existing technology, and second flanged surface 15 can remain the relative position with first flanged surface 14.Therefore, the second mounting hole 15a of second flanged surface 15 can remain with the first mounting hole 14a of first flanged surface 14 and aim at, thereby guarantees the assembly precision of planet pin 23.
Wherein, second flanged surface 15 can be fixed in the wheel reductor framework 10 through variety of way, for example through the inboard that is spirally connected, welds, mode such as bonding is fixed on cylindrical body 11.It is understandable that, second flanged surface 15 can with first flanged surface, 14 almost parallels so that the planetary gears steady running.
Preferably, said first mounting hole 14a and the coaxial setting of the said second mounting hole 15a, thus be convenient to process the first mounting hole 14a and the second mounting hole 15a and assembling planet pin 23.
In addition, as shown in Figure 2, said wheel reductor framework 10 can comprise connection column 16, and this connects column 16 and connects said first flanged surface 14 and said second flanged surface 15, to strengthen the intensity of second flanged surface 15.Wherein, the size of column 16 can second flanged surface, 15 required intensity design.In addition, column 16 can be arranged in the wheel reductor framework 10 through variety of way, for example through welding, be bonded and fixed at the inboard of cylindrical body 11.
In the preferred implementation of the utility model, as shown in Figure 2, said wheel reductor framework 10 is integrally formed, thereby is convenient on the one hand make, and makes wheel reductor framework 10 bear various load integratedly on the other hand.In addition, need not adopt other devices to compress first flanged surface 14 and second flanged surface 15 during assembling yet.
According to the utility model on the other hand; A kind of wheel reductor is provided; Wherein, This wheel reductor comprises the wheel reductor framework 10 of the utility model; Said wheel reductor also comprises sun gear 21, planetary pinion 22 and the planet pin 23 that is arranged in the said wheel reductor framework 10, and said planet pin 23 passes the said first mounting hole 14a and the said second mounting hole 15a installs, and said planetary pinion 22 is arranged on the said planet pin 23 and with said sun gear 21 and meshes.
According to the utility model also on the other hand, a kind of vehicle is provided, this vehicle comprises the wheel reductor of driving axle housing 50 and the utility model, said sun gear 21 is installed on the semiaxis 51 of said driving axle housing 50.
In addition, said vehicle comprises wheel hub 40, and said big end 12 is installed to said wheel hub 40 through fastening piece (for example bolt).
During installation; Can at first make planet pin 23 pass the first mounting hole 14a and the second mounting hole 15a installs and sun gear 21 is installed on the semiaxis 51; Planetary pinion 22 is installed on planet pin 23 then, and the wheel reductor framework 10 that planet pin 23 and planetary pinion 22 will be installed at last is installed to wheel hub 40.
Wherein, also be provided with bearing 24 between planet pin 23 and the planetary pinion 22; The inboard of wheel reductor framework 10 also is provided with ring gear 25, is installed to driving axle housing 50 to cooperate with ring gear support 26.Above-mentioned layout is to well known to a person skilled in the art structure, does not elaborate at this.
As stated, second flanged surface 15 can be used as planet carrier, and turns round as planetary gears with sun gear 21, planetary pinion 22 and planet pin 23.
As shown in Figure 2, can be provided with the 3rd mounting hole 15b on said second flanged surface 15, said sun gear 21 can pass said the 3rd mounting hole 15b and install.That is to say that second flanged surface 15 can also be used to install sun gear 21, to guarantee the installation precision of sun gear 21.
Preferably, said small end 13 oil drain plug 18 that can be provided with screw 17 and cooperate with this screw 17.When needing to change the lubricant oil of wheel reductor, can unclamp the lubricant oil that oil drain plug 18 comes emptying to use.
More than combine accompanying drawing to describe the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned mode of execution; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technological scheme of the utility model, these simple variant all belong to the protection domain of the utility model.
Need to prove that in addition each the concrete technical characteristics described in above-mentioned embodiment under reconcilable situation, can make up through any suitable manner.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between the various mode of execution of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.
Claims (9)
1. wheel reductor framework; This wheel reductor framework (10) comprises cylindrical body (11) and is positioned at the big end (12) and the small end (13) of this cylindrical body (11) both sides; This small end (13) comprises first flanged surface (14), and this first flanged surface is provided with first mounting hole (14a), it is characterized in that; Also be fixed with second flanged surface (15) in the said wheel reductor framework (10), this second flanged surface (15) is provided with second mounting hole of aiming at said first mounting hole (14a) (15a).
2. wheel reductor framework according to claim 1, wherein, said first mounting hole (14a) and the coaxial setting of said second mounting hole (15a).
3. wheel reductor framework according to claim 1, wherein, said wheel reductor framework (10) comprises connection column (16), this connects column (16) and connects said first flanged surface (14) and said second flanged surface (15).
4. according to any described wheel reductor framework among the claim 1-3, wherein, said wheel reductor framework (10) is integrally formed.
5. wheel reductor; It is characterized in that; This wheel reductor comprises any described wheel reductor framework (10) among the claim 1-4; Said wheel reductor also comprises sun gear (21), planetary pinion (22) and the planet pin (23) that is arranged in the said wheel reductor framework (10); Said planet pin (23) passes said first mounting hole (14a) and said second mounting hole (15a) is installed, and said planetary pinion (22) is arranged on said planet pin (23) and goes up and mesh with said sun gear (21).
6. wheel reductor according to claim 5, wherein, said second flanged surface (15) is provided with the 3rd mounting hole (15b), and said sun gear (21) passes said the 3rd mounting hole (15b) and installs.
7. according to claim 5 or 6 described wheel reductors, wherein, the oil drain plug (18) that said small end (13) is provided with screw (17) and cooperates with this screw (17).
8. vehicle, this vehicle comprises driving axle housing (50), it is characterized in that, said vehicle comprises that also said sun gear (21) is installed on the semiaxis (51) of said driving axle housing (50) according to any described wheel reductor among the claim 5-7.
9. vehicle according to claim 8, wherein, said vehicle comprises wheel hub (40), said big end (12) is installed to said wheel hub (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202998067U CN202228645U (en) | 2011-08-17 | 2011-08-17 | Hub reduction gear frame, hub reduction gear and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202998067U CN202228645U (en) | 2011-08-17 | 2011-08-17 | Hub reduction gear frame, hub reduction gear and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202228645U true CN202228645U (en) | 2012-05-23 |
Family
ID=46079231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202998067U Expired - Fee Related CN202228645U (en) | 2011-08-17 | 2011-08-17 | Hub reduction gear frame, hub reduction gear and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202228645U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381188A (en) * | 2011-08-17 | 2012-03-21 | 湖南中联重科车桥有限公司 | Wheel-edge speed reducer frame, wheel-edge speed reducer and vehicle |
| WO2014134765A1 (en) * | 2013-03-02 | 2014-09-12 | 浙江恒丰泰减速机制造有限公司 | Rigid internally and peripherally meshed speed reducer |
| CN105673778A (en) * | 2016-02-25 | 2016-06-15 | 中国重汽集团济南动力有限公司 | Hub and wheel rim reduction gear assembly |
| CN110529583A (en) * | 2019-08-13 | 2019-12-03 | 一汽解放汽车有限公司 | A kind of hub reduction gear end face seal structure |
-
2011
- 2011-08-17 CN CN2011202998067U patent/CN202228645U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381188A (en) * | 2011-08-17 | 2012-03-21 | 湖南中联重科车桥有限公司 | Wheel-edge speed reducer frame, wheel-edge speed reducer and vehicle |
| WO2014134765A1 (en) * | 2013-03-02 | 2014-09-12 | 浙江恒丰泰减速机制造有限公司 | Rigid internally and peripherally meshed speed reducer |
| US9206881B2 (en) | 2013-03-02 | 2015-12-08 | Zhejiang Hengfengtai Reducer Mfg.Co., Ltd | Rigid speed reducer with internal and external tooth profile tooth-enveloping |
| CN105673778A (en) * | 2016-02-25 | 2016-06-15 | 中国重汽集团济南动力有限公司 | Hub and wheel rim reduction gear assembly |
| CN110529583A (en) * | 2019-08-13 | 2019-12-03 | 一汽解放汽车有限公司 | A kind of hub reduction gear end face seal structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20170817 |