CN202790348U - Hub reduction gear and vehicle - Google Patents
Hub reduction gear and vehicle Download PDFInfo
- Publication number
- CN202790348U CN202790348U CN 201220496781 CN201220496781U CN202790348U CN 202790348 U CN202790348 U CN 202790348U CN 201220496781 CN201220496781 CN 201220496781 CN 201220496781 U CN201220496781 U CN 201220496781U CN 202790348 U CN202790348 U CN 202790348U
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- wheel
- wheel reductor
- gap
- adjusting mechanism
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Abstract
The utility model discloses a hub reduction gear which comprises a frame of the hub reduction gear and a planetary reduction mechanism arranged in the frame of the hub reduction gear. The planetary reduction mechanism comprises a sun wheel and a planet wheel meshed with the sun wheel. The planet wheel is arranged on a planet carrier. The sun wheel is installed on a revolving half shaft. The hub reduction gear further comprises a gap adjusting mechanism which protrudes and stretches between the frame of the hub reduction gear and an end face of the half shaft. The gap adjusting mechanism can adjust a gap between the gap adjusting mechanism and the end face of the half shaft. The utility model further discloses a vehicle utilizing the hub reduction gear. Thus, under the condition that normal working of the planetary reduction mechanism is ensured, the gap adjusting mechanism is used to adapt to all sorts of working conditions and thrust washers of all specifications do not need assembling. The problem of an inaccurate gap and hard machining in assembling the thrust washers is solved. Thus, the hub reduction gear and the vehicle utilizing the hub reduction gear are strong in practicality.
Description
Technical field
The utility model relates to the wheel reductor field of vehicle, particularly, relates to the vehicle of a kind of wheel reductor and this wheel reductor of use.
Background technique
At present in the general arrangement of heavy truck, full-sized bus, engineering machinery vehicle, need to make the assemblies such as gearbox, transfer case, transmission shaft can not make the size of these parts and quality excessive because bearing large torque, and need to the large as far as possible ratio of velocity ratio distribute to ransaxle.But, general axle main speed reducer is difficult to reach above-mentioned requirements, therefore the ransaxle of many heavy-duty cars, full-sized bus, engineering machinery adopts the again layout of additional wheel side reducer of single-stage (or twin-stage) main reducing gear, to obtain large reduction speed ratio and compact structure.
As shown in Figure 1, wheel reductor generally includes wheel reductor framework 1 ' and is positioned at the planetary gear speed reducing mechanism 2 ' of this wheel reductor framework 1 ' inside, wherein, sun gear 21 ' is installed in and has obtained power on the semiaxis 3 ', and planet wheel 22 ' then needs to be installed on the planet carrier 4 '.Rotate to drive the gear ring 7 ' that is assembled together with wheel hub 8 ' by planet wheel 22 ', thus so that wheel hub 8 ' rotation.Wherein, for guaranteeing that planetary gear speed reducing mechanism works when turn inside diameter and the straight-line travelling, inboard at the wheel reductor framework 1 ' corresponding with the end face of semiaxis 3 ' is equipped with thrust washer 5 ', and needs to arrange between this thrust washer 5 ' and the semiaxis 3 ' gap x '.The parameters such as size that the size of this gap x ' need to engage wheel reductor determine.
In the prior art, gap x ' is after measuring by the relative dimensions such as distance that the end face of wheel reductor framework 1 ' semiaxis 3 ' about axial dimension and after installing sun gear 21 ' and wheel hub 8 ' are installed end face, and choosing fills thrust cushion block 5 ' and guarantees again.
There is so following shortcoming:
1, the adjusting process of assembling thrust cushion block is complicated, and it is pretty troublesome and testing precision is not high to detect data in the assembly process, causes easily gap x ' value wrong;
2, thrust cushion block 5 ' is contained in the wheel reductor framework 1 ' inboard aperture, and gap x ' can not observe;
3, in order to adapt to different gap requirements, need the specification of thrust cushion block 5 ' a lot, cause easily waste; And owing to the thrust cushion block 5 ' mounting structure that needs in the processing wheel reductor framework 1 ', so that the difficulty of processing of wheel reductor framework 1 strengthens.
The model utility content
A purpose of the present utility model provides a kind of wheel reductor, and this wheel reductor can guarantee the normal operation of planetary gear speed reducing mechanism, and need not assemble the thrust cushion block.
Another purpose of the present utility model provides a kind of vehicle, the wheel reductor that this vehicle uses the utility model to provide.
To achieve these goals, the utility model provides a kind of wheel reductor, comprise wheel reductor framework and the planetary gear speed reducing mechanism that is positioned at this wheel reductor framework, described planetary gear speed reducing mechanism comprises sun gear and the planet wheel that meshes with this sun gear, described planet wheel is installed on the planet carrier, described sun gear is installed on the rotating semiaxis, described wheel reductor also comprises the gap adjusting mechanism between the end face that convexedly stretches in described wheel reductor framework and described semiaxis, and this gap adjusting mechanism can be regulated the gap between the end face of described gap adjusting mechanism and described semiaxis.
Preferably, described gap adjusting mechanism is that threaded adjusting is secondary.
Preferably, described gap adjusting mechanism comprises tapped hole and threaded piece, the end of described tapped hole and described semiaxis is formed on the described wheel reductor framework accordingly, pass to described threaded piece screw-thread fit this tapped hole, described gap is the end face of described semiaxis and the distance between the described threaded piece end.
Preferably, described gap adjusting mechanism also comprises locking nut, and this locking nut can be locked at described threaded piece on the described wheel reductor framework in the outside of described wheel reductor framework.
Preferably, described locking nut is slotted nut, and this slotted nut is formed with conduit away from a side of described wheel reductor framework, and this conduit can hold to form fit the cotter pin of passing described threaded piece.
According on the other hand of the present utility model, a kind of vehicle is provided, and this vehicle comprises wheel hub and passes rotationally the semiaxis of this wheel hub, wherein, described vehicle comprise also that the utility model provides wheel reductor, described wheel reductor framework is removably mounted on the described wheel hub.
Pass through technique scheme, because the wheel reductor that the utility model provides is provided with the gap adjusting mechanism that can regulate semiaxis and its gap, therefore, in the situation that guarantees the planetary gear speed reducing mechanism normal operation, can adapt to various operating modes by this gap adjusting mechanism, and need not assemble the thrust cushion block of all size, and avoided because the gap inaccuracy that assembling thrust cushion block brings, the problem that difficulty of processing is large, thus so that the vehicle of the wheel reductor that the utility model provides and this wheel reductor of use is practical.
Other feature and advantage of the present utility model will partly be described in detail in embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of specification, is used from explanation the utility model with following embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the sectional structure schematic representation of wheel reductor in the prior art;
Fig. 2 is the sectional structure schematic representation of the wheel reductor that provides of the utility model preferred implementation;
Fig. 3 is the structural representation that the locking nut that provides of the utility model and cotter pin match.
Description of reference numerals
1,1 ' wheel reductor framework, 2,2 ' planetary gear speed reducing mechanism
3,3 ' semiaxis 44 ' planet carrier
7,7 ' gear ring, 8,8 ' wheel hub
5 ' thrust cushion block, 9 gap adjusting mechanisms
21 22 ' sun gear 22 ' 22 planet wheels
41 planet wheel scaffolds 42 connect column
91 tapped holes, 92 threaded pieces
93 locking nuts, 94 conduits
95 cotter pins
X, x ' gap
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.Should be understood that embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
In the utility model, do not doing in the situation of opposite explanation, the noun of locality that uses as " inside and outside " usually with a certain parts as benchmark, the inside of these parts is " interior ", be " outward " away from this parts outside, these nouns of locality only are used for explanation the utility model, are not limited to the utility model.
As shown in Figure 2, a kind of wheel reductor that the utility model provides, this wheel reductor is used at vehicle, passes to wheel hub 8 with the moment of torsion with main reducing gear output by semiaxis 3.Wherein in order to realize the control of velocity ratio, this wheel reductor comprises wheel reductor framework 1 and is positioned at the planetary gear speed reducing mechanism 2 of this wheel reductor framework 1, wherein, wheel reductor framework 1 is removably mounted on the wheel hub 8 by the fastening pieces such as bolt (not sign), and planetary gear speed reducing mechanism comprises sun gear 21 and the planet wheel 22 that meshes with this sun gear 21, wherein, sun gear 21 is installed on the semiaxis 3 to be driven by semiaxis 3, and planet wheel 22 is installed on the planet carrier 4, to be driven by sun gear 21.In addition, also be provided with the gear ring 7 that is installed on the wheel hub 8 in planet wheel 22 outsides, thereby this gear ring 7 can be driven with planet wheel 2 engagements, then drives wheel hub 8 and rotate.
Particularly, the planet carrier 4 that the utility model provides comprises planet wheel scaffold 41 and is connected vertically outward extending connection column 42 of this planet wheel scaffold 41, this connects column 42 can be for a plurality of, those skilled in the art can determine its number according to actual requirement, to satisfy the installation strength of planet carrier 4.This connection column 42 can be separated planet wheel scaffold 41 and wheel reductor framework 1, thereby planet wheel 21 can be installed between planet wheel scaffold 41 and the wheel reductor framework 1.
Wherein, in order to realize the purpose of this utility model, the wheel reductor that the utility model provides also comprises the gap adjusting mechanism 9 between the end face that convexedly stretches in wheel reductor framework 1 and semiaxis 3, and this gap adjusting mechanism 9 can be regulated the gap x between the end face of itself and semiaxis 3.Wherein, this gap x can satisfy so that vehicle when straight line and negotiation of bends, guarantees the needs of the normal operation of planetary gear speed reducing mechanism 2.Wherein, those skilled in the art can learn according to the specification of wheel reductor the size of this gap x by measurements and calculations.
Therefore, be different from the scheme that guarantees this gap x ' in the prior art by the thrust cushion block 5 ' of plurality of specifications, in the utility model, wheel reductor also comprises the gap adjusting mechanism 9 that can regulate gap x.Therefore, can can regulate gap x according to the actual requirements by this gap adjusting mechanism 9, thereby need not assemble the thrust cushion block 5 ' of all size, so that the processing of the wheel reductor that the utility model provides and assembling are simpler, and the situation guaranteeing the planetary gear speed reducing mechanism normal operation can not cause the waste of the thrust cushion block of plurality of specifications.
In addition, need to prove that the mode of execution that can finish technique scheme has multiple, such as concrete structure of gap adjusting mechanism etc., the utility model for convenience of description, in this introduction preferred implementation wherein, this preferred implementation only is used for explanation the utility model.In addition, the structure of wheel reductor for convenience of description in Fig. 1 and Fig. 2, for example in Fig. 2, the cutting line of shown cross-sectional schematic can be straight line, also can be broken line.The position relationship that is each parts shown in Fig. 2 can also be other forms, and the various arrangements that those skilled in the art can expect all should drop in the protection domain of the present utility model.
In the utility model preferred implementation as shown in Figure 2, the gap adjusting mechanism 9 that the utility model provides is secondary for threaded adjusting.I.e. moving axially and the described gap x of the adjusting of self-locking action by screw-thread fit.Wherein preferably, gap adjusting mechanism 9 comprises tapped hole 91 and threaded piece 92, tapped hole 91 is formed on the wheel reductor framework 1 accordingly with the end of semiaxis 3, pass to threaded piece 92 screw-thread fit this tapped hole 91, namely in the present embodiment, gap x is the end face of semiaxis 3 and the distance between threaded piece 92 ends.In addition, in other NM mode of executions, can also adopt the mode of non-threaded adjusting, the adjusting that needs this moment other to have axial locking and can axially movable adjusting element finish gap x, a plurality of locking apertures for example are set on straight pin vertically, after gap x is up to specification, then pass behind the corresponding locking aperture by latchs such as cotter pins and cotter pin is fixed on the outside of wheel reductor, can realize equally the adjusting of gap x.For this type of change, all should drop in the protection domain of the present utility model.
In preferred implementation of the present utility model, after increasing gap x adjusting, the locking reliability of threaded piece 92, preferably, gap adjusting mechanism also comprises locking nut 93, and this locking nut 93 can be locked at threaded piece 92 on the wheel reductor framework 1 in the outside of wheel reductor framework 1.And preferably, as shown in Figure 3, this locking nut 93 can be slotted nut, and this slotted nut is formed with conduit 94 away from a side of wheel reductor framework 1, and this conduit 94 can hold to form fit the cotter pin 95 of passing threaded piece 91.Thereby by cotter pin 95 that this locking nut is locked on threaded piece 92.So that gap adjusting mechanism 9 after regulating gap x, can remain in position reliably, thereby guarantee the accuracy of gap x.
To sum up, the wheel reductor that the utility model provides can adapt to the gap x of various requirement by the gap adjusting mechanism of screw pair form, and the thrust washer of plurality of specifications need not be set.Thereby in the situation of the validity that accurately guarantees this gap x, simplified manufacturing and the assembling of wheel reductor, so the utility model wheel reductor that provides and the vehicle that uses this wheel reductor have higher practicability and promotional value.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in the above-mentioned mode of execution; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove in addition, each concrete technical characteristics described in above-mentioned embodiment in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the utility model is to the no longer separately explanation of various possible compound modes.
In addition, also can carry out combination in any between the various mode of execution of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (6)
1. wheel reductor, comprise wheel reductor framework (1) and be positioned at the planetary gear speed reducing mechanism (2) of this wheel reductor framework (1), described planetary gear speed reducing mechanism comprises sun gear (21) and the planet wheel (22) that meshes with this sun gear (21), described planet wheel (22) is installed on the planet carrier (4), described sun gear (21) is installed on the rotating semiaxis (3), it is characterized in that, described wheel reductor also comprises the gap adjusting mechanism (9) between the end face that convexedly stretches in described wheel reductor framework (1) and described semiaxis (3), and this gap adjusting mechanism (9) can be regulated the gap (x) between the end face of described gap adjusting mechanism (9) and described semiaxis (3).
2. wheel reductor according to claim 1 is characterized in that, described gap adjusting mechanism (9) is that threaded adjusting is secondary.
3. wheel reductor according to claim 2, it is characterized in that, described gap adjusting mechanism comprises tapped hole (91) and threaded piece (92), described tapped hole (91) is formed on the described wheel reductor framework (1) accordingly with the end of described semiaxis (3), pass to described threaded piece (92) screw-thread fit this tapped hole (91), described gap (x) is the end face of described semiaxis (3) and the distance between described threaded piece (92) end.
4. wheel reductor according to claim 3, it is characterized in that, described gap adjusting mechanism (9) also comprises locking nut (93), and this locking nut (93) can be locked at described threaded piece (92) on the described wheel reductor framework (1) in the outside of described wheel reductor framework (1).
5. wheel reductor according to claim 4, it is characterized in that, described locking nut (93) is slotted nut, this slotted nut is formed with conduit (94) away from a side of described wheel reductor framework (1), and this conduit (94) can hold to form fit the cotter pin (95) of passing described threaded piece (91).
6. vehicle, this vehicle comprises wheel hub (8) and passes rotationally the semiaxis (3) of this wheel hub (8), it is characterized in that, described vehicle also comprises according to claim 1 the described wheel reductor of any one in-5, and described wheel reductor framework (1) is removably mounted on the described wheel hub (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220496781 CN202790348U (en) | 2012-09-26 | 2012-09-26 | Hub reduction gear and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220496781 CN202790348U (en) | 2012-09-26 | 2012-09-26 | Hub reduction gear and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202790348U true CN202790348U (en) | 2013-03-13 |
Family
ID=47817614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220496781 Expired - Lifetime CN202790348U (en) | 2012-09-26 | 2012-09-26 | Hub reduction gear and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202790348U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112780759A (en) * | 2019-11-06 | 2021-05-11 | 股份公司摩拓乐 | Speed reducer for hydraulic motor |
-
2012
- 2012-09-26 CN CN 201220496781 patent/CN202790348U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112780759A (en) * | 2019-11-06 | 2021-05-11 | 股份公司摩拓乐 | Speed reducer for hydraulic motor |
| KR20210054743A (en) * | 2019-11-06 | 2021-05-14 | 주식회사 모트롤 | Reducer for a hydraulic motor |
| KR102268745B1 (en) * | 2019-11-06 | 2021-06-24 | 주식회사 모트롤 | Reducer for a hydraulic motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |