CN103407368A - Hydraulic adjustable cantilever swinging door type drive axle - Google Patents
Hydraulic adjustable cantilever swinging door type drive axle Download PDFInfo
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- CN103407368A CN103407368A CN2013101128544A CN201310112854A CN103407368A CN 103407368 A CN103407368 A CN 103407368A CN 2013101128544 A CN2013101128544 A CN 2013101128544A CN 201310112854 A CN201310112854 A CN 201310112854A CN 103407368 A CN103407368 A CN 103407368A
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- drive axle
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Abstract
The invention discloses a hydraulic adjustable cantilever swinging door type drive axle which comprises driving cantilevers (1), a hub reduction gear (2), a transmission chain or gear (3), an driving axle shaft (4), a differential mechanism (5), an installation base (6), a driving axle housing (7), a wet-type brake (8) and a rim (9). The drive axle is independently hung, the height and the position of a drive wheel are kept by a three-point frame structure formed by the driving cantilevers and a servo hydraulic cylinder, the three-point frame structure is driven to be changed along with the stroke of the servo hydraulic cylinder, and the purpose that swinging cantilevers are driven to adjust the height of the drive wheel is achieved.
Description
Technical field
The present invention relates to a kind of novel hydraulic adjustable cantilever vibration door type drive axle, be specifically related to the portal drive axle device of heavy type adjustment height.
Background technology
Drive axle is mainly used on the power output wheel axle of various self-propelled vehiclees, with power, drives rotation of wheel and drives Vehicle Driving Cycle; 1-2 wheel respectively is equipped with at the two ends that are generally an axle.For example: agricultural wheeled tractor and engineering respectively fill 1 wheel with the drive axle two ends of loader, and transport truck and passenger vehicle drive axle two ends Chang Binglie are equipped with 2 wheels.Its essential structure comprises: main reduction gear, diff, semiaxis and axle housing.The moment of torsion of vehicle wheel rotation is by main reduction gear, diff and half shaft drive of axle housing inside; And car load is born by axle housing.
In prior art, for heavy-duty vehicle, if during undercapacity, also have two axles of employing to drive side by side, these two axles (for often being called of the dynamic transmission in support beam inside " bridge ") structure is basic identical, forms the 4-8 wheel drive.
There is following shortcoming at least in above-mentioned prior art:
In land locomotion, to the single shaft drive axle, the propulsive effort deficiency of its wheel to ground, the ability of vehicle by ground is poor: to Two axle drive bridge side by side, its two rows vehicle bridge is poor to the adaptive capacity on ground, by complex-terrain the time, two vehicle bridge twist mutually, cause larger distortion and complicated stress.In addition, no matter be the vehicle that single bridge or doube bridge drive, wheel is when clear an obstacle, all make the corresponding raising height of gravitational center of support end of vehicle bridge and will reach at least contour with obstacle, make the vehicle bridge gravity center shift larger, this will directly have influence on crossing ability, ride comfort and the fuel economy of vehicle land locomotion.
Summary of the invention
The purpose of this invention is to provide a kind of propulsive effort large, to complicated ground adaptable hydraulically adjustable cantilevered drive axle and driving vehicle.
A kind of hydraulically adjustable cantilevered swing portal drive axle provided by the invention, comprise main drive axle, it is characterized in that, the two ends of described main drive axle are connected with respectively swing arm, the middle part of described swing arm and main drive axle are hinged, and an end of described swing arm is connected with wheel reduction gear and drive wheel.In described swing arm, be provided with speed reduction gearing, described speed reduction gearing comprises driving wheel, two flower wheels, and described driving wheel is connected with the semiaxis of described main drive axle, and described two flower wheels are connected with the drive wheel at described swing arm two ends respectively.Described hydraulically adjustable cantilevered swing portal drive axle, is characterized in that, is connected with respectively driving chain between described driving wheel and described two flower wheels.Described hydraulically adjustable cantilevered swing portal drive axle, is characterized in that, is connected with respectively transmission gear between described driving wheel and described two flower wheels.Described hydraulically adjustable cantilevered swing portal drive axle is characterized in that the two ends of described swing arm are connected with described drive wheel by wheel reduction gear respectively.Described hydraulically adjustable cantilevered swing portal drive axle is characterized in that described wheel reduction gear is gear reducer.Described hydraulically adjustable cantilevered swing portal drive axle is characterized in that described wheel reduction gear is planet wheel decelerator.Described hydraulically adjustable cantilevered swing portal drive axle, is characterized in that, the housing middle part of described swing arm is high, two ends are low is arc, and the housing of described swing arm and the housing of described main drive axle are hinged.
Hydraulically adjustable cantilevered swing portal drive axle of the present invention and driving vehicle, because the two ends of main drive axle are connected with respectively swing arm, an end and the main drive axle of swing arm are hinged, and the end of swing arm is connected with respectively drive wheel.Servo hydraulic cylinder utilizes two ends to be articulated in respectively the characteristics on vehicle frame and swing arm, by stroke, changes control end drive wheel and swings with swing arm, with the distance of change with vehicle frame.This drive axle propulsive effort is large, and the swing that can pass through hydraulic servo cylinder changes distance and the relative wheelbase in chassis of drive wheel and vehicle frame, adaptable to complicated ground.
The accompanying drawing explanation
Fig. 1 is the transmission principle figure of hydraulically adjustable cantilevered swing portal drive axle;
Fig. 2 is chassis while advancing by obstacle and side slope, and its drive axle swing arm changes schematic diagram.
The specific embodiment
Four-wheel apportion balance oscillating arm type drive axle of the present invention, its preferably the specific embodiment as shown in Figure 1, comprise main drive axle, the two ends of main drive axle are connected with respectively swing arm, the middle part of swing arm and main drive axle are hinged, and the two ends of swing arm are connected with respectively drive wheel.
Main drive axle comprises main driving axle housing 4, in main driving axle housing 4, be provided with main gear down device, main gear down device comprises bevel pinion 1, bevel gear wheel 2, diff 3 etc., propulsive effort reaches the semiaxis swing arm by main drive and comprises swing arm shell 5, inside be provided with speed reduction gearing, speed reduction gearing comprises driving wheel 6, two flower wheels 7, and driving wheel 6 is connected with the semiaxis 9 of main drive axle, and two flower wheels 7 are connected with the drive wheel (not shown) at swing arm two ends respectively.Propulsive effort is delivered to drive wheel by semiaxis 9, driving wheel 6, flower wheel 7, drives Vehicle Driving Cycle.
Between driving wheel 6 and two flower wheels 7, can be connected with respectively driving chain, transmission gear or other drive disk assembly, by the transmission of chain gear, gear transmission or other type of drive realizable force.
The two ends of swing arm can be connected with drive wheel by wheel reduction gear 8 respectively.Wheel reduction gear 8 can be gear reducer, planet wheel decelerator or other retarder etc.The propulsive effort of flower wheel 7 is delivered to drive wheel by wheel reduction gear 8.
Swing arm housing 5 can high, two ends, middle part are low be arc, and the middle part of swing arm shell 5 and main driving axle housing 4 are hinged.
Driving vehicle of the present invention, this driving vehicle are provided with above-mentioned four-wheel apportion balance oscillating arm type drive axle.This driving vehicle can, for woods working truck, agricultural wheeled tractor, engineering with loader or cross country car etc., can be also other driving vehicle.
The present invention respectively fills the special construction of the swing arm of a longitudinal oscillation by the two ends at drive axle, the wheel that makes to be arranged on the swing arm end, in obstacle detouring, keeps vehicle bridge not or less gravity center shift is arranged; Can guarantee in Vehicle Driving Cycle thus more steady, reduce center of gravity change, reduce energy consumption, improve crossing ability, ride comfort and the fuel economy of vehicle.Changed direct drive axle can only and to the basic structure of installing wheel, improve the carrying capacity that vehicle list bridge drives.
The present invention mainly is comprised of main drive axle, swing arm and planetary wheel reductor.On each wheel reduction gear, fill a drive wheel, when vehicle during at uneven ground run, it is that axle is realized swinging that the balance wheel swing arm can be take main drive axle support beam.
Transmission principle of the present invention is: drive bevel gear wheel 2 by bevel pinion 1, through diff 3 by power distribution to semiaxis 9, and drive swing arm driving wheel 6, and through driving chain 10, drive swing arm flower wheel 7, finally by wheel reduction gear 8, output to drive wheel (not shown in FIG.).
In the present invention, uniaxial drive drives 4 discrete drive wheels, and these 4 drive wheels are longitudinal arrangement in twos, improves ground traction.Two drive wheels of every side can realize that balance swings with swing arm, travel with realization and the profiling on ground, field, and this kind mode of travelling can improve crossing ability, riding stability and the ride comfort of vehicle.
Specifically as shown in Figure 2, when chassis of the prior art vehicle passed through obstacle, its vehicle frame change in elevation was h; And by the obstacle of same height, for of the present invention, has the balance oscillating arm type vehicle frame when the obstacle height is no more than the amplitude of fluctuation limit, height of gravitational center is changed to 0, can obviously find out thus, having swing arm type balance frame height of gravitational center rises and falls little, current Energy Intensity Reduction, the riding comfort of this car are improved, and under swing arm, curved raising is by the ground gap.The transmission of swing arm medium power can be adopted roller chain and chain sprocket drive, simple in structure, easy to implement and practical.
The above; only be the present invention's specific embodiment preferably, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.
Claims (8)
1. hydraulically adjustable cantilevered swing portal drive axle, comprise main drive axle, it is characterized in that, the two ends of described main drive axle are connected with respectively swing arm, the middle part of described swing arm and main drive axle are hinged, and an end of described swing arm is connected with wheel reduction gear and drive wheel.
2. four-wheel apportion balance oscillating arm type drive axle according to claim 1, it is characterized in that, in described swing arm, be provided with speed reduction gearing, described speed reduction gearing comprises driving wheel, two flower wheels, described driving wheel is connected with the semiaxis of described main drive axle, and described two flower wheels are connected with the drive wheel at described swing arm two ends respectively.
3. hydraulically adjustable cantilevered swing portal drive axle according to claim 2, is characterized in that, is connected with respectively driving chain between described driving wheel and described two flower wheels.
4. hydraulically adjustable cantilevered swing portal drive axle according to claim 2, is characterized in that, is connected with respectively transmission gear between described driving wheel and described two flower wheels.
5. hydraulically adjustable cantilevered swing portal drive axle according to claim 1, is characterized in that, the two ends of described swing arm are connected with described drive wheel by wheel reduction gear respectively.
6. hydraulically adjustable cantilevered swing portal drive axle according to claim 5, is characterized in that, described wheel reduction gear is gear reducer.
7. hydraulically adjustable cantilevered swing portal drive axle according to claim 5, is characterized in that, described wheel reduction gear is planet wheel decelerator.
8. hydraulically adjustable cantilevered swing portal drive axle according to claim 1, is characterized in that, the housing middle part of described swing arm is high, two ends are low is arc, and the housing of described swing arm and the housing of described main drive axle are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101128544A CN103407368A (en) | 2013-03-22 | 2013-03-22 | Hydraulic adjustable cantilever swinging door type drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101128544A CN103407368A (en) | 2013-03-22 | 2013-03-22 | Hydraulic adjustable cantilever swinging door type drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103407368A true CN103407368A (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101128544A Pending CN103407368A (en) | 2013-03-22 | 2013-03-22 | Hydraulic adjustable cantilever swinging door type drive axle |
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| CN (1) | CN103407368A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2522542A1 (en) * | 1975-05-21 | 1976-12-02 | Valmet Oy | Bogie double axle drive - with drive shaft through pivot axle of bogie via epicyclic gearing |
| US4359914A (en) * | 1978-08-25 | 1982-11-23 | Caterpillar Tractor Co. | Arrangement for a planetary drive assembly |
| DE4027780A1 (en) * | 1990-09-01 | 1992-03-05 | Bernd Albert Bully | Tandem axle arrangement for timber vehicle - has drive system with space saving reduction gear |
| US5290201A (en) * | 1992-06-11 | 1994-03-01 | Tesker Henry L | Combine with mmoveable body and tandem drive wheels |
| CA2280540A1 (en) * | 1998-08-20 | 2000-02-20 | Dan M. Wilson | All terrain vehicle |
| CN101041327A (en) * | 2007-04-29 | 2007-09-26 | 王清水 | Tractor driving wheel height difference regulating device |
| CN101224698A (en) * | 2008-01-28 | 2008-07-23 | 南京航空航天大学 | Retracting-releasing device of amphibious vehicle wheel |
| CN101327735A (en) * | 2008-06-03 | 2008-12-24 | 北京林业大学 | Balance oscillating arm type drive axle and running vehicle |
| CN201304880Y (en) * | 2008-10-31 | 2009-09-09 | 中国三江航天工业集团公司特种车辆技术中心 | Separate suspension device with hydro-pneumatic spring for adjusting height of multi-shaft extra heavy duty off-road vehicle |
| CN202337208U (en) * | 2011-11-23 | 2012-07-18 | 湖南百特机械有限公司 | Four-wheel drive chassis used for low speed self-walking machinery |
-
2013
- 2013-03-22 CN CN2013101128544A patent/CN103407368A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2522542A1 (en) * | 1975-05-21 | 1976-12-02 | Valmet Oy | Bogie double axle drive - with drive shaft through pivot axle of bogie via epicyclic gearing |
| US4359914A (en) * | 1978-08-25 | 1982-11-23 | Caterpillar Tractor Co. | Arrangement for a planetary drive assembly |
| DE4027780A1 (en) * | 1990-09-01 | 1992-03-05 | Bernd Albert Bully | Tandem axle arrangement for timber vehicle - has drive system with space saving reduction gear |
| US5290201A (en) * | 1992-06-11 | 1994-03-01 | Tesker Henry L | Combine with mmoveable body and tandem drive wheels |
| CA2280540A1 (en) * | 1998-08-20 | 2000-02-20 | Dan M. Wilson | All terrain vehicle |
| CN101041327A (en) * | 2007-04-29 | 2007-09-26 | 王清水 | Tractor driving wheel height difference regulating device |
| CN101224698A (en) * | 2008-01-28 | 2008-07-23 | 南京航空航天大学 | Retracting-releasing device of amphibious vehicle wheel |
| CN101327735A (en) * | 2008-06-03 | 2008-12-24 | 北京林业大学 | Balance oscillating arm type drive axle and running vehicle |
| CN201304880Y (en) * | 2008-10-31 | 2009-09-09 | 中国三江航天工业集团公司特种车辆技术中心 | Separate suspension device with hydro-pneumatic spring for adjusting height of multi-shaft extra heavy duty off-road vehicle |
| CN202337208U (en) * | 2011-11-23 | 2012-07-18 | 湖南百特机械有限公司 | Four-wheel drive chassis used for low speed self-walking machinery |
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Application publication date: 20131127 |