CN203793042U - Steering drive axle for highly-motorized off-road vehicle - Google Patents
Steering drive axle for highly-motorized off-road vehicle Download PDFInfo
- Publication number
- CN203793042U CN203793042U CN201320878615.5U CN201320878615U CN203793042U CN 203793042 U CN203793042 U CN 203793042U CN 201320878615 U CN201320878615 U CN 201320878615U CN 203793042 U CN203793042 U CN 203793042U
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- China
- Prior art keywords
- driving device
- steering drive
- drive axle
- axle
- reduction gear
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- Expired - Lifetime
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- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 239000000725 suspension Substances 0.000 abstract description 7
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 241001484259 Lacuna Species 0.000 description 1
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- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
The utility model provides a steering drive axle suitable for a heavy highly-motorized off-road vehicle. The steering drive axle comprises hub reduction transmission devices, hydraulic disc brakes, transmission shafts, an air disc brake, a main reducer transmission device and an axle housing. In the steering drive axle, hydraulic disc braking is adopted in driving braking, so that the space of a suspension is effectively saved, and mass is reduced; parking braking is achieved by additionally arranging a pneumatic disc brake at the power input end of a through axle, so that the braking performance of the steering drive axle is greatly improved, the space of the axle suspension is reduced, the mass of the axle is reduced, and the off-road requirement of the heavy highly-motorized off-road vehicle for all wheel steering can be completely met.
Description
Technical field
The utility model relates to vehicle bridge technical field, and especially steering drive axle, relates to a kind of steering drive axle that is applicable to heavy high motor-driven cross-country car more specifically.
Background technology
Along with scientific and technological development, the military and the company that need conduct a field operation are more and more higher to the requirement of cross-country car, except meeting cross-country performance, also want to realize four-wheel steering.How the braking of current heavy-duty vehicle realizes by drive of high-pressure gas compressed air brake cylinder, that is to say and in the vehicle bridge of heavy-duty vehicle, apply more with the air-pressure disc brake of air chamber, but because the scantling of structure of existing air-pressure disc brake is larger, while arranging, there is larger difficulty on steering drive axle, and because of its size larger, the steering drive axle that is furnished with air-pressure disc brake cannot avoid drg and axle housing and car load suspension to interfere in steering procedure, have a strong impact on turning to and deceleration and stopping performance of car load, and air-pressure disc brake itself also to have braking response slower, brake the shortcomings such as not steady, therefore arrange that the steering drive axle of air-pressure disc brake has larger familiar lacunas, especially the demand of all-wheel steered high maneuverability cross-country car can not meet the demands.Therefore the raising of cross-country car field performance is depended on the exploitation of the steering drive axle of high braking and turning efficiency.
Utility model content
The utility model is heavy based on present cross-country car, high motor-driven, the cross-country requirement of all-wheel steered, a kind of steering drive axle that is applicable to heavy high motor-driven cross-country car of proposition of innovation, in steering drive axle described in the utility model, service brake adopts hydraulic disk braking, effectively saved the space at suspension place and alleviated quality, braking during standstill is realized by the power intake increase air disc brake at penetrating bridge simultaneously, thereby steering drive axle described in the utility model has improved deceleration and stopping performance greatly, alleviated vehicle bridge quality simultaneously, can meet modern cross-country car completely heavy, high motor-driven, the cross-country requirement of all-wheel steered.
It is as follows that the utility model solves the problems of the technologies described above taked technical scheme:
A kind of high motor-driven cross-country car steering drive axle, comprise: hub reduction driving device 1, hydraulic brake 2, transmission shaft 3, air-pressure disc brake 4, main reduction gear driving device 5 and axle housing, wherein said hub reduction driving device 1, the quantity of hydraulic brake 2 and transmission shaft 3 is two, described hub reduction driving device 1, hydraulic brake 2, transmission shaft 3, air-pressure disc brake 4 and main reduction gear driving device 5 are all installed on described axle housing, described main reduction gear driving device 5 is installed on the middle section position of described axle housing, the two ends, left and right of described main reduction gear driving device 5 respectively connect a described transmission shaft 3 in movable mode, the other end of every transmission shaft 3 is connected in described hub reduction driving device 1 in movable mode, the outside of hydraulic brake 2 connects described hub reduction driving device 1.
Further, according to the motor-driven cross-country car steering drive axle of height described in the utility model, wherein said steering drive axle has symmetrical structure centered by main reduction gear driving device 5.
Further, according to the motor-driven cross-country car steering drive axle of height described in the utility model, wherein said air disc brake 4 is arranged at the power intake that connects axle housing, and is connected in described main reduction gear driving device 5.
Further, according to the motor-driven cross-country car steering drive axle of height described in the utility model, wherein said hydraulic brake 2 is for service brake, and described air disc brake 4 is for braking during standstill.
Further, according to the motor-driven cross-country car steering drive axle of height described in the utility model, wherein said hub reduction driving device 1 is planetary reduction gear driving device.
By technical scheme described in the utility model, at least can reach following technique effect:
1), in steering drive axle the hydraulic brake of arrangement structure compactness, effectively avoided the interference of drg and axle housing and car load suspension in steering procedure, met the requirement of cross-country car all-wheel steered completely.
2), in described steering drive axle, adopt hydraulic brake to carry out service brake, adopt air disc brake to carry out braking during standstill, improved the deceleration and stopping performance of vehicle comprehensively, braking effect is stable, significantly reduced stopping distance, for overland vehicle provides failure-free safety control under the cross-country condition of complexity.
3) compact conformations such as the reduction gear apparatus, in described steering drive axle, hydraulic brake, have effectively saved the space at vehicle bridge suspension place, and have alleviated axle assembly quality, have greatly improved the motor-driven off-road capability of height of cross-country car.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of steering drive axle for the motor-driven cross-country car of height described in the utility model;
1-hub reduction driving device in figure; 2-hydraulic brake; 3-transmission shaft; 4-air-pressure disc brake; 5-main reduction gear driving device.
The specific embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in detail, so that those skilled in the art can more clearly understand scheme of the present utility model, but does not therefore limit protection domain of the present utility model.
As shown in Figure 1, the steering drive axle that is applicable to high motor-driven cross-country car provided by the utility model comprises hub reduction driving device 1, hydraulic brake 2, transmission shaft 3, air-pressure disc brake 4, main reduction gear driving device 5 and axle housing.Described hub reduction driving device 1, the quantity of hydraulic brake 2 and transmission shaft 3 is two, and described hub reduction driving device 1, hydraulic brake 2, transmission shaft 3, air-pressure disc brake 4 and main reduction gear driving device 5 are all installed on described axle housing, concrete described main reduction gear driving device 5 is installed on the middle section position of axle housing, the two ends, left and right of main reduction gear driving device 5 respectively connect a transmission shaft 3 in movable mode, the other end of every transmission shaft 3 is connected in hub reduction driving device 1 through hydraulic brake 2 in movable mode, hydraulic brake 2 outsides are connected with hub reduction driving device 1.Whole steering drive axle has symmetrical structure, and centered by described main reduction gear driving device 5, two hub reduction drivings device 1, hydraulic brake 2 and transmission shafts 3 are symmetrical main reduction gear driving device 5 two ends that are connected in a manner described.By hydraulic brake 2, realized service brake like this, described hub reduction driving device 1 preferably adopts planetary reduction gear driving device.Simultaneously in order to realize braking during standstill, at the power intake that connects axle housing middle piece, described air disc brake 4 is set, described air disc brake 4 is connected in described main reduction gear driving device 5, be used for realizing braking during standstill, by transmission shaft 3 by the transmission of power of main reduction gear driving device 5 to hub reduction driving device 1.
Steering drive axle described in the utility model, because of its compact conformation, also can be used on independent suspension vehicle; The whole bridge axle load of described steering drive axle can reach 8-10T; Described steering drive axle adopts hydraulic disk braking to make compact overall structure, weight lighter, can be applied to completely on the heavy high motor-driven overland vehicle of all-wheel steered, and realize braking during standstill by increase air disc brake on penetrating bridge, improved the deceleration and stopping performance of car load.
Below only expressed preferred implementation of the present utility model, it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.The protection domain of the utility model patent should be as the criterion with claims.
Claims (5)
1. one kind high motor-driven cross-country car steering drive axle, it is characterized in that, comprise: hub reduction driving device (1), hydraulic brake (2), transmission shaft (3), air-pressure disc brake (4), main reduction gear driving device (5) and axle housing, wherein said hub reduction driving device (1), the quantity of hydraulic brake (2) and transmission shaft (3) is two, described hub reduction driving device (1), hydraulic brake (2), transmission shaft (3), air-pressure disc brake (4) and main reduction gear driving device (5) are all installed on described axle housing, described main reduction gear driving device (5) is installed on the middle section position of described axle housing, the two ends, left and right of described main reduction gear driving device (5) respectively connect a described transmission shaft (3) in movable mode, the other end of every transmission shaft (3) is connected in described hub reduction driving device (1) in movable mode, the outside of hydraulic brake (2) connects described hub reduction driving device (1).
2. the motor-driven cross-country car steering drive axle of height according to claim 1, is characterized in that, wherein said steering drive axle has symmetrical structure centered by main reduction gear driving device (5).
3. the motor-driven cross-country car steering drive axle of height according to claim 1, is characterized in that, wherein said air disc brake (4) is arranged at the power intake that connects axle housing, and is connected in described main reduction gear driving device (5).
4. the motor-driven cross-country car steering drive axle of height according to claim 3, is characterized in that, wherein said hydraulic brake (2) is for service brake, and described air disc brake (4) is for braking during standstill.
5. according to the motor-driven cross-country car steering drive axle of height described in claim 1-4 any one, it is characterized in that, wherein said hub reduction driving device (1) is planetary reduction gear driving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320878615.5U CN203793042U (en) | 2013-12-27 | 2013-12-27 | Steering drive axle for highly-motorized off-road vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320878615.5U CN203793042U (en) | 2013-12-27 | 2013-12-27 | Steering drive axle for highly-motorized off-road vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203793042U true CN203793042U (en) | 2014-08-27 |
Family
ID=51375296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320878615.5U Expired - Lifetime CN203793042U (en) | 2013-12-27 | 2013-12-27 | Steering drive axle for highly-motorized off-road vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203793042U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107002785A (en) * | 2014-12-25 | 2017-08-01 | 力至优三菱叉车株式会社 | The vehicle bridge of industrial vehicle |
| CN113320508A (en) * | 2021-07-09 | 2021-08-31 | 北京经纬恒润科技股份有限公司 | Parking brake control method, parking brake controller and electronic parking brake system |
-
2013
- 2013-12-27 CN CN201320878615.5U patent/CN203793042U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107002785A (en) * | 2014-12-25 | 2017-08-01 | 力至优三菱叉车株式会社 | The vehicle bridge of industrial vehicle |
| CN113320508A (en) * | 2021-07-09 | 2021-08-31 | 北京经纬恒润科技股份有限公司 | Parking brake control method, parking brake controller and electronic parking brake system |
| CN113320508B (en) * | 2021-07-09 | 2022-03-25 | 北京经纬恒润科技股份有限公司 | Parking brake control method, parking brake controller and electronic parking brake system |
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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 |
Granted publication date: 20140827 |
|
| CX01 | Expiry of patent term |