CN206017580U - A kind of hub reduction gear - Google Patents
A kind of hub reduction gear Download PDFInfo
- Publication number
- CN206017580U CN206017580U CN201520858015.1U CN201520858015U CN206017580U CN 206017580 U CN206017580 U CN 206017580U CN 201520858015 U CN201520858015 U CN 201520858015U CN 206017580 U CN206017580 U CN 206017580U
- Authority
- CN
- China
- Prior art keywords
- hub
- gear
- reduction gear
- bolt
- wheel
- 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 - Fee Related
Links
Abstract
The utility model discloses a kind of hub reduction gear, including end cap and semiaxis, the both sides up and down of the semiaxis are equipped with axle case assy, and on the left of axle case assy, it is provided with sun gear, oil sealing base is provided with the left of the shoe brake and its assembly, and the top of oil sealing base is provided with oil sealing, the top of the axle case assy is provided with wheel hub, the top of the wheel hub is provided with wheel bolt, the top of the wheel bolt is provided with brake drum, and the right-hand member of brake drum is connected with dust-blocking cover, the top of the sun gear is provided with planet wheel spindle, the top of the planet wheel spindle is provided with the second sun gear.The hub reduction gear, by being provided with sleeve between hub reduction gear planetary gear and planet wheel spindle, multiple bearings are installed in sleeve, gear ring and bearing in hub reduction gear can be played a part of to adsorb dust by the end cap of hub reduction gear box back and prevent dust from entering, the abrasion inside hub reduction gear is reduced, extends its service life.
Description
Technical field
This utility model is related to decelerator technical field, specially a kind of hub reduction gear.
Background technology
At present in heavy truck, full-sized bus, the general arrangement of engineering machinery vehicle, need to make change speed gear box, transfer gear,
The assemblies such as power transmission shaft will not make the oversized of these parts because big torque is born, and need gear ratio is as big as possible
Drive axle is distributed to ratio, and therefore many heavy-duty cars, full-sized bus, the drive axle of engineering machinery adopt hub reduction
Device, to obtain big speed reducing ratio and compact structure, as hub reduction gear belongs to power train end, gear bear high torque with
Shock loading, thus the bearing between connection planetary gear and planet wheel spindle can only improve hub reduction gear by increasing bearing size
Bearing capacity, and often limited by bearing installing space so that bearing capacity becomes a pair with installing space and is difficult to
The contradiction of balance, while kind of bearings procurement cycle length, manufacture complexity, cause the raising on O＆M cost, and carry
Hypodynamic bearing will directly influence the performance and service life of hub reduction gear.
Utility model content
The purpose of this utility model is to provide a kind of hub reduction gear, with solve in above-mentioned background technology propose ask
Topic.
For achieving the above object, this utility model provides following technical scheme：A kind of hub reduction gear, including end cap and half
Axle, the both sides up and down of the semiaxis are equipped with the left of axle case assy, and axle case assy and are provided with sun gear, the axle case assy
Top is provided with the left of dust-blocking cover, and dust-blocking cover the left side for being provided with shoe brake and its assembly, the shoe brake and its assembly
Oil sealing base is provided with, and the top of oil sealing base is provided with oil sealing, the top of the axle case assy is provided with wheel hub, and axle case assy is logical
Cross bearing to be connected with wheel hub with second bearing, the top of the wheel hub is provided with wheel bolt, and the top of the wheel bolt is provided with
Brake drum, and the right-hand member of brake drum is connected with dust-blocking cover, the top of the sun gear is provided with planet wheel spindle, the planet wheel spindle
Top is provided with the second sun gear, and the second sun gear is respectively arranged on the left side and the right side bolt and gear ring, second sun gear
Both sides are equipped with needle roller up and down, and the top of the planet wheel spindle is provided with planetary gear, and planetary gear is fixed on planetary carrier, institute
State planetary carrier, planet wheel spindle, needle roller and planetary gear to be sequentially connected, the planetary carrier is by bolt and hub reduction gear
Shell phase connects.
Preferably, the surrounding of the dust-blocking cover is equipped with sealing ring.
Preferably, the bottom of the bolt is provided with pad.
Preferably, the needle roller is that sealing type drawn cup needle roller or sealing type drawn cup completely fill needle roller.
Preferably, the wheel bolt is outer-hexagonal bolt or hexagon socket head cap screw.
Compared with prior art, the beneficial effects of the utility model are：The hub reduction gear, by hub reduction gear planet
It is provided between wheel and planet wheel spindle in sleeve, sleeve and multiple bearings is installed, suffered by the bearing of planetary gear and support planetary gear
Moment of torsion and shock loading are shared by sleeve, thereby increase the bearing capacity of hub reduction gear, after hub reduction gear casing
The end cap at end can play a part of to adsorb dust to the gear ring and bearing in hub reduction gear and prevent dust from entering, and reduce wheel
Abrasion inside side reducer, extends its service life.
Description of the drawings
Fig. 1 is this utility model structural representation；
Fig. 2 is partial enlarged drawing of the present utility model.
In figure：1st, planetary gear, 2, needle roller, 3, end cap, 4, sun gear, 5, bolt, 6, hub reducer casing, 7, gear ring, 8,
Bearing, 9, oil sealing, 10, oil sealing base, 11, axle case assy, 12, dust-blocking cover, 13, shoe brake and its assembly, 14, brake drum,
15th, wheel bolt, 16, wheel hub, 17, second bearing, the 18, second sun gear, 19, planet wheel spindle, 20, sealing ring, 21, pad,
22nd, planetary carrier, 23, semiaxis.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Embodiment in based on this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Fig. 1-2 is referred to, this utility model provides a kind of technical scheme：A kind of hub reduction gear, including end cap 3 and semiaxis
23, the both sides up and down of the semiaxis 23 are equipped with axle case assy 11, and the left side of axle case assy 11 is provided with sun gear 4, the bridge
The top of housing assy 11 is provided with dust-blocking cover 12, and the surrounding of the dust-blocking cover 12 is equipped with sealing ring 20, and the effect of sealing ring 20 is
Make the sealing effectiveness of dust-blocking cover 12 tighter, and the left side of dust-blocking cover 12 is provided with shoe brake and its assembly 13, the brake-shoe
The left side of piece and its assembly 13 is provided with oil sealing base 10, and the top of oil sealing base 10 is provided with oil sealing 9, the axle case assy 11
Top is provided with wheel hub 16, and axle case assy 11 is connected with wheel hub 16 with second bearing 17 by bearing 8, the top of the wheel hub 16
It is provided with wheel bolt 15, the wheel bolt 15 is hexagon socket head cap screw, the top of the wheel bolt 15 is provided with brake drum 14, and
The right-hand member of brake drum 14 is connected with dust-blocking cover 12, and the top of the sun gear 4 is provided with planet wheel spindle 19, the planet wheel spindle 19
Top is provided with the second sun gear 18, and the second sun gear 18 is respectively arranged on the left side and the right side bolt 5 and gear ring 7, the bolt 5
Bottom is provided with pad 21, and the both sides up and down of second sun gear 18 are equipped with needle roller 2, and the needle roller is sealing type drawn cup
Needle roller, the top of the planet wheel spindle 19 are provided with planetary gear 1, and planetary gear 1 is fixed on planetary carrier 22, the planetary gear
Support 22, planet wheel spindle 19, needle roller 2 and planetary gear 1 are sequentially connected, and the planetary carrier 22 is by bolt 5 and hub reduction
Device shell 6 is connected, and hub reduction gear is connected by semiaxis 23, and the other end is connected with the sun gear 4 of hub reduction gear, therefore, moves
Power is just delivered to the sun gear 4 of hub reduction gear by semiaxis 23, and as sun gear 4 is engaged with planetary gear 1, power is by sun gear 4
It is delivered to planetary gear 1, one is sun gear 4, one is gear ring 7, gear ring 7 is fixed on axle case assy 11, sun gear 4 and semiaxis
23 link together, and sun gear 4 is rotated with semiaxis 23, and planetary gear 1 is fixed on planetary carrier 22, and its order of connection is successively
It is, planetary carrier 22, planet wheel spindle 19, needle roller 2, planetary gear 1 that planetary carrier 22 is by bolt 5 and hub reducer casing 6
It is connected, therefore, power is just delivered to hub reducer casing 6 by planetary gear 1, as hub reducer casing 6 passes through wheel bolt 15
Link together with wheel hub 16, therefore power is delivered to wheel hub 16 by hub reducer casing 6 again, has also been transferred to wheel.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
Be appreciated that these embodiments can be carried out multiple changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of hub reduction gear, including end cap and semiaxis, it is characterised in that：It is total that the both sides up and down of the semiaxis are equipped with axle housing
Into, and sun gear on the left of axle case assy, is provided with, the top of the axle case assy is provided with the left of dust-blocking cover, and dust-blocking cover and is provided with
Shoe brake and its assembly, are provided with oil sealing base on the left of the shoe brake and its assembly, and the top of oil sealing base is provided with
Oil sealing, the top of the axle case assy are provided with wheel hub, and axle case assy is connected with wheel hub with second bearing by bearing, the wheel
The top of hub is provided with wheel bolt, and the top of the wheel bolt is provided with brake drum, and the right-hand member of brake drum is connected with dust-blocking cover,
The top of the sun gear is provided with planet wheel spindle, and the top of the planet wheel spindle is provided with the second sun gear, and the second sun gear
Bolt and gear ring is respectively arranged on the left side and the right side, the both sides up and down of second sun gear are equipped with needle roller, the planet wheel spindle
Top is provided with planetary gear, and planetary gear is fixed on planetary carrier, the planetary carrier, planet wheel spindle, needle roller and planet
Wheel is sequentially connected, and the planetary carrier is connected with hub reducer casing by bolt.
2. a kind of hub reduction gear according to claim 1, it is characterised in that：The surrounding of the dust-blocking cover is equipped with sealing
Circle.
3. a kind of hub reduction gear according to claim 1, it is characterised in that：The bottom of the bolt is provided with pad.
4. a kind of hub reduction gear according to claim 1, it is characterised in that：The needle roller is rolled for sealing type drawn cup
Pin or sealing type drawn cup completely fill needle roller.
5. a kind of hub reduction gear according to claim 1, it is characterised in that：The wheel bolt be outer-hexagonal bolt or
Hexagon socket head cap screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858015.1U CN206017580U (en) | 2015-10-28 | 2015-10-28 | A kind of hub reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858015.1U CN206017580U (en) | 2015-10-28 | 2015-10-28 | A kind of hub reduction gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206017580U true CN206017580U (en) | 2017-03-15 |
Family
ID=58241011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520858015.1U Expired - Fee Related CN206017580U (en) | 2015-10-28 | 2015-10-28 | A kind of hub reduction gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206017580U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504137A (en) * | 2017-09-18 | 2017-12-22 | 中国重汽集团济南动力有限公司 | The hub reduction gear of grease separation lubrication |
| CN110529560A (en) * | 2019-08-13 | 2019-12-03 | 一汽解放汽车有限公司 | A kind of hub reduction gear structure |
-
2015
- 2015-10-28 CN CN201520858015.1U patent/CN206017580U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504137A (en) * | 2017-09-18 | 2017-12-22 | 中国重汽集团济南动力有限公司 | The hub reduction gear of grease separation lubrication |
| CN107504137B (en) * | 2017-09-18 | 2020-04-07 | 中国重汽集团济南动力有限公司 | Grease separation lubricated wheel reduction gear |
| CN110529560A (en) * | 2019-08-13 | 2019-12-03 | 一汽解放汽车有限公司 | A kind of hub reduction gear 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 |
Granted publication date: 20170315 Termination date: 20191028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |