CN202768744U - Axle hub reduction gear assembly - Google Patents
Axle hub reduction gear assembly Download PDFInfo
- Publication number
- CN202768744U CN202768744U CN201220416664.2U CN201220416664U CN202768744U CN 202768744 U CN202768744 U CN 202768744U CN 201220416664 U CN201220416664 U CN 201220416664U CN 202768744 U CN202768744 U CN 202768744U
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- wheel
- planet wheel
- hub
- assembly
- ring
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Abstract
The utility model discloses an axle hub reduction gear assembly and belongs to reducer assemblies. A planet wheel and a planet wheel shaft of the reducer assembly are connected together. Two ends of the planet wheel are provided with an inner planet wheel cushion and an outer planet wheel cushion, and the planet wheel is connected with a sun wheel in an external gearing mode. The end portion of the sun wheel is provided with a check ring and an adjusting support, the end portions of a wheel shell and a planet wheel frame assembly are connected with an end cover through a gasket and a screw, and the wheel shell and the planet wheel frame assembly are provided with a steel ball and a pin. A clamp ring is arranged outside a hub and the hub is connected with the wheel shell and the planet wheel frame assembly through a rim bolt and an O-shaped sealing ring. The axle hub reduction gear assembly has the advantages that a structure of 5-wheel distribution is adopted, thereby enlarging a speed ratio scope of a planet reduction ratio; the planet wheel cushion is provided with a bending foot so as to have the function of anti-rotation, thereby guaranteeing long service life of the assembly and stable drive performance; the integral stamping type end cover has the advantages of being light in weight, good in sealing performance, and low in manufacture cost; and usage is reliable and maintenance is convenient.
Description
Technical field
The utility model relates to a kind of speed reducer assembly, particularly a kind of vehicle bridge wheel reductor assembly.
Background technique
Planetary transmission structure in the known technology is the structure that distributes of one group of 3 planet wheel or 4 planet wheels normally, for the expansion ratio coverage certain limitation is arranged, the configuration imperfection; Planet wheel pad in the known technology does not generally possess anti-rotating function, can produce wearing and tearing between planet wheel and the wheel carrier when relative movement, in the situation that very easily cause the too early wear out failure of planet wheel pad without anti-rotation, working life is short; Wheel limit assembly end cap adopts cast structure mostly, and weight is heavier, and maintenance is inconvenient, and inevitably casting defect easily causes leakage of oil.
The model utility content
The purpose of this utility model is to provide a kind of configuration perfect, easy to maintenance, the vehicle bridge wheel reductor assembly of long perfomance life.
The technical solution of the utility model is as follows: this wheel reductor assembly comprises: dust guard, oil sealing base, oil sealing, back-up ring, inner bearing, wheel hub, snap ring, rim bolt, the O RunddichtringO, hub and planetary wheel carrier assembly, outer bearing, the groove nut, the gear ring bearing assembly, needle roller, spacer, planet wheel, planet wheel shaft, packing ring, bolt, expert star-wheel pad, layman's star-wheel pad, sun gear, back-up ring, adjust pillar, end cap, clamping bolt, spacer, steel ball, pin, purge cock, purge cock combination seal pad, oil level screw plug combination seal pad, oil level screw plug, screw, bending leg, oil groove; There is through hole at the wheel hub center, and inner bearing, back-up ring, oil sealing, oil sealing base, dust guard have been linked in sequence in the through hole at one end; In the through hole of the other end, be connected with the gear ring bearing assembly by outer bearing, the planet wheel that in the gear ring bearing assembly, has been linked in sequence, needle roller, spacer, groove nut, spacer and clamping bolt, planet wheel is connected with planet wheel shaft; Expert star-wheel pad and layman's star-wheel pad are arranged at the two ends of planet wheel, and planet wheel is connected with sun gear by outer gearing; Back-up ring is arranged in the end of sun gear and adjust pillar, be connected the end with the planetary wheel carrier assembly at hub and be connected with end cap by packing ring, bolt, at hub and planetary wheel carrier assembly steel ball and pin are arranged; Snap ring is arranged outside wheel hub, and wheel hub is connected with the planetary wheel carrier assembly with hub with the O RunddichtringO by rim bolt.
Described planet wheel is one group 5, evenly distributes; There are purge cock, purge cock, to adjust pillar and be connected with end cap by screw with combination seal pad and oil level screw plug with combination seal pad, oil level screw plug on the described adjustment pillar.
On the described planet wheel pad cylindrical bending leg is arranged, be symmetrically distributed with 4 semicircle arcuation oil grooves at the circle end face that deviates from bending leg.
Described end cap is whole punching type structure.
Beneficial effect, owing to having adopted such scheme, 5 structures of taking turns distribution to enlarge the ratio coverage of planetary reduction gear ratio, having made transmission more steady, overcome that the planet wheel pad does not have the deficiency of anti-rotating function in the prior art, provide a cover to be equipped with the planet wheel pad of anti-rotating function, guaranteed the assembly longer service life, transmission performance is more stable, whole punching type end cap has lightweight, good airproof performance, the characteristics of low cost of manufacture are used more reliably, safeguard more convenient.So that wheel limit maintenance cost reduces, reduce the iron filings amount of inter deterioration, strengthened simultaneously outer protection, final so that transmission is more steady, seal more reliable, the working life of having improved wheel reductor.
Advantage: the utility model epicyclic transmission mechanism has adopted 5 structures of taking turns distribution, enlarged the ratio coverage of planetary reduction gear ratio, planet wheel is lined with bending leg, possess anti-rotating function, guaranteed the assembly longer service life, transmission performance is more stable, whole punching type end cap has lightweight, good airproof performance, the characteristics of low cost of manufacture are used more reliably, safeguard more convenient.
Description of drawings
Fig. 1 is vertical sectional structure chart of the present utility model.
Fig. 2 is the A line of vision structural drawing of Fig. 1.
Fig. 3 is that the B-B of Fig. 1 is to sectional structure.
Fig. 4 is planet wheel mat structure figure of the present utility model.
Fig. 5 is the left TV structure figure of Fig. 3.
Fig. 6 is the plan structure figure of Fig. 3.
Fig. 7 is end cover structure figure of the present utility model.
Fig. 8 is the side-looking structural drawing of Fig. 4.
Among the figure, 1, dust guard; 2, oil sealing base; 3, oil sealing; 4, back-up ring; 5, inner bearing; 6, wheel hub; 7, snap ring; 8, rim bolt; 9, O RunddichtringO; 10, hub and planetary wheel carrier assembly; 11, outer bearing; 12, groove nut; 13, gear ring supporting; 14, needle roller; 15, spacer; 16, planet wheel; 17, planet wheel shaft; 18, packing ring; 19, bolt; 20, expert star-wheel pad; 21, layman's star-wheel pad; 22, sun gear; 23, back-up ring; 24, adjust pillar; 25, end cap; 26, clamping bolt; 27, spacer; 28; Steel ball; 29, pin; 30, purge cock; 31, purge cock combination seal pad; 32, oil level screw plug combination seal pad; 33, oil level screw plug; 34, screw; 35, bending leg; 36, oil groove.
Embodiment
Embodiment 1: this wheel reductor assembly comprises: dust guard 1, oil sealing base 2, oil sealing 3, back-up ring 4, inner bearing 5, wheel hub 6, snap ring 7, rim bolt 8, O RunddichtringO 9, hub and planetary wheel carrier assembly 10, outer bearing 11, groove nut 12, gear ring bearing assembly 13, needle roller 14, spacer 15, planet wheel 16, planet wheel shaft 17, packing ring 18, bolt 19, expert star-wheel pad 20, layman's star-wheel pad 21, sun gear 22, back-up ring 23, adjust pillar 24, end cap 25, clamping bolt 26, spacer 27, steel ball 28, pin 29, purge cock 30, purge cock is with combination seal pad 31, oil level screw plug is with combination seal pad 32, oil level screw plug 33, screw 34, bending leg 35, oil groove 36; There is through hole at wheel hub 6 centers, the inner bearing 5 that has been linked in sequence in the through hole at one end, back-up ring 4, oil sealing 3, oil sealing base 2, dust guard 1; In the through hole of the other end, be connected with gear ring bearing assembly 13 by outer bearing 11, the planet wheel 16 that in gear ring bearing assembly 13, has been linked in sequence, needle roller 14, spacer 15, groove nut 12, spacer 27 and clamping bolt 26, planet wheel 16 is connected with planet wheel shaft 17; Expert star-wheel pad 20 and layman's star-wheel pad 21 are arranged at the two ends of planet wheel 16, and planet wheel 16 is connected with sun gear 22 by outer gearing; Back-up ring 23 is arranged in the end of sun gear 22 and adjust pillar 24, be connected with end cap 25 by packing ring 18, bolt 19 in the end that hub is connected with the planetary wheel carrier assembly, at hub and planetary wheel carrier assembly 10 steel ball 28 and pin 29 are arranged; Snap ring 7 is arranged outside wheel hub 6, and wheel hub 6 is connected with the O RunddichtringO to be connected with the planetary wheel carrier assembly with hub by rim bolt 8 and is connected.
Described planet wheel 16 is one group 5, evenly distributes; There are purge cock 30, purge cock, to adjust pillar and be connected with end cap 25 by screw 34 with combination seal pad 32 and oil level screw plug 33 with combination seal pad 31, oil level screw plug on the described adjustment pillar 24.
On described planet wheel pad 20 cylindricals bending leg 35 is arranged, be symmetrically distributed with 4 semicircle arcuation oil grooves 36 at the circle end face that deviates from bending leg.
Described end cap 25 is whole punching type structure.
The sun gear 22 of wheel reductor is fastened on the outer end of semiaxis by the inner splined hole on it, gear ring support assembly 10 can not rotate with axle case assy is fixing.Between sun gear 22 and gear ring support assembly 13, be uniform-distribution with 5 planet wheels 16, the latter is bearing on hub and the planetary wheel carrier assembly 10 with a pair of tapered roller bearing, be defeated by the power of sun gear 22 by semiaxis, pass to wheel hub 6 through one group of 5 planet wheels 16, hub and planetary wheel carrier assembly 7 and make the driving rotation of wheel, and its sense of rotation is consistent with the sense of rotation of semiaxis.
Planet wheel pad 20,21 is the anti-rotation pad; simultaneously this pad has been done the case-carbonizing processing; make its surface hardness strengthen to cooperate planet wheel 16; match with equally distributed draw-in groove on hub and the planetary wheel carrier assembly 7 in its bending part; purpose make planet wheel pad 20,21 and hub and planetary wheel carrier assembly 7 without relatively rotating; protect the softer hub of material and planetary wheel carrier assembly 10 with this, planet wheel pad 20,21 is designed with 4 oil grooves and plays the trapped fuel lubrication.
End cap 25 is the punching type part, and is abominable because of heavily loaded mine car bridge operating mode, often has weight such as stone to clash into from the side end cap, reduced end cap and caused the oil leakage phenomenon odds because hitting to split.
Claims (4)
1. vehicle bridge wheel reductor assembly, it is characterized in that: this wheel reductor assembly comprises: dust guard, oil sealing base, oil sealing, back-up ring, inner bearing, wheel hub, snap ring, rim bolt, the O RunddichtringO, hub and planetary wheel carrier assembly, outer bearing, the groove nut, the gear ring bearing assembly, needle roller, spacer, planet wheel, planet wheel shaft, packing ring, bolt, expert star-wheel pad, layman's star-wheel pad, sun gear, back-up ring, adjust pillar, end cap, clamping bolt, spacer, steel ball, pin, purge cock, purge cock combination seal pad, oil level screw plug combination seal pad, oil level screw plug, screw, bending leg, oil groove; There is through hole at the wheel hub center, and inner bearing, back-up ring, oil sealing, oil sealing base, dust guard have been linked in sequence in the through hole at one end; In the through hole of the other end, be connected with the gear ring bearing assembly by outer bearing, the planet wheel that in the gear ring bearing assembly, has been linked in sequence, needle roller, spacer, groove nut, spacer and clamping bolt, planet wheel is connected with planet wheel shaft; Expert star-wheel pad and layman's star-wheel pad are arranged at the two ends of planet wheel, and planet wheel is connected with sun gear by outer gearing; Back-up ring is arranged in the end of sun gear and adjust pillar, be connected the end with the planetary wheel carrier assembly at hub and be connected with end cap by packing ring, bolt, at hub and planetary wheel carrier assembly steel ball and pin are arranged; Snap ring is arranged outside wheel hub, and wheel hub is connected with the planetary wheel carrier assembly with hub with the O RunddichtringO by rim bolt.
2. a kind of vehicle bridge wheel reductor assembly according to claim 1, it is characterized in that: described planet wheel is one group 5, evenly distributes; There are purge cock, purge cock, to adjust pillar and be connected with end cap by screw with combination seal pad and oil level screw plug with combination seal pad, oil level screw plug on the described adjustment pillar.
3. a kind of vehicle bridge wheel reductor assembly according to claim 1 is characterized in that: on the described planet wheel pad cylindrical bending leg is arranged, be symmetrically distributed with 4 semicircle arcuation oil grooves at the circle end face that deviates from bending leg.
4. a kind of vehicle bridge wheel reductor assembly according to claim 1, it is characterized in that: described end cap is whole punching type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220416664.2U CN202768744U (en) | 2012-08-22 | 2012-08-22 | Axle hub reduction gear assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220416664.2U CN202768744U (en) | 2012-08-22 | 2012-08-22 | Axle hub reduction gear assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202768744U true CN202768744U (en) | 2013-03-06 |
Family
ID=47775320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220416664.2U Expired - Lifetime CN202768744U (en) | 2012-08-22 | 2012-08-22 | Axle hub reduction gear assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202768744U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574000A (en) * | 2013-11-08 | 2014-02-12 | 无锡威孚精密机械制造有限责任公司 | Shell structure of hub reduction gear |
| CN104875599A (en) * | 2015-04-27 | 2015-09-02 | 奇瑞汽车股份有限公司 | Hybrid electric vehicle and power coupling device used for same |
-
2012
- 2012-08-22 CN CN201220416664.2U patent/CN202768744U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574000A (en) * | 2013-11-08 | 2014-02-12 | 无锡威孚精密机械制造有限责任公司 | Shell structure of hub reduction gear |
| CN103574000B (en) * | 2013-11-08 | 2016-05-04 | 无锡威孚精密机械制造有限责任公司 | The shell structure of hub reduction gear |
| CN104875599A (en) * | 2015-04-27 | 2015-09-02 | 奇瑞汽车股份有限公司 | Hybrid electric vehicle and power coupling device used for same |
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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: 20130306 |