CN1298815A - Diagonal drive system for agricultural vehicle with front engine - Google Patents
Diagonal drive system for agricultural vehicle with front engine Download PDFInfo
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- CN1298815A CN1298815A CN 99125484 CN99125484A CN1298815A CN 1298815 A CN1298815 A CN 1298815A CN 99125484 CN99125484 CN 99125484 CN 99125484 A CN99125484 A CN 99125484A CN 1298815 A CN1298815 A CN 1298815A
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Abstract
An agricultural vehicle motor preset, front and rear bridge diagonal driving system use a combined transmission box with clutching, speed change and differential speed functions, which is fixed on vehicle frame at the upper position of front bridge, the preset motor is driven by transmission belt, the output shaft at one side of transmission box directly drives the front wheel on the said side, another side output shaft indirectly drives the rear wheel of the said side via transmission device, the diffenential speed device is used for differential speed between shafts thereby realize the cross country ability of diagonal drive of motor preset and front and rear bridge. The invented scheme is simple in structure, low in cost and possesses cross country ability.
Description
The present invention relates to a kind of doube bridge drive system, particularly be applicable to the single cylinder diesel to be power, bel-drivenn four-wheel farm vehicle doube bridge drive system with simplification of cross country power.
At present, the four-wheel farm vehicle generally adopts the structure of light truck, be the layout of engine in front of rear wheel mid-engine, front-wheel steering back-wheel drive, its representative type transmission connected rear axle makes up transmission gearbox (power-transfer clutch, change-speed box, diff become one), semiaxis, axle housing with 3+1 and combines as a whole, and the power that is fixed on the driving engine of vehicle frame is imported transmission gearbox through belt-driving.The advantage of this form be simple in structure, easy to manufacture, cost is lower, but because the bel-drivenn width between centers is subjected to the influence of wheel bounce, neglecting tight neglecting relaxes, the wearing and tearing and the loss in efficiency of belt have significantly been increased, also reduced simultaneously the riding comfort of vehicle, in addition, this structure does not possess cross country power, can not adapt to ubiquitous low-grade highway in rural area and field section well.
In addition, relevant investigation shows, along with development of rural economy, agricultural vehicle has only 30% to be used for the specialty transportation at present, 70% through being commonly used for walking-replacing tool, show that farm vehicle develops to the high-mobility, multipurpose, wheeled vehicle direction from simple shipping, new models such as pick up and riding jeep will progress into the rural market, need objectively that a kind of cost is close, the better automobile driving system of performance.
At present in the extensive four wheel drive technology that adopts of cross-country jeep, be that an auxiliary gear box is set between the drive axle of front and back, the power of driving engine is bridge before and after auxiliary gear box is distributed to, at least comprise two inter-wheel differentials and an interaxle differential, complex structure, cost is very high, can not be fit to the technical merit and the economic condition of current agricultural vehicle.
The purpose of this invention is to provide a kind of brand new automobile actuation techniques scheme, inherit existing four-wheel farm vehicle advantage simple in structure, easy to manufacture, lower-cost, the while engine behind front wheel also has cross country power, is particularly suitable for agricultural new model such as Chinese countryside road and pick up, riding jeep etc.
The object of the present invention is achieved like this: still use the combination transmission gearbox with clutch, speed change, differential function, and be fixed on the vehicle frame of propons top, F/F drives transmission gearbox by driving band, the front-wheel of this side of output shaft direct drive of transmission gearbox one side, the output shaft of opposite side drives the trailing wheel of this side indirectly by driving device, the effect of the diff performance shaft space difference speed of transmission gearbox, thus realize the cross country power that engine behind front wheel and bridge diagonal angle, front and back drive.
Bridge diagonal angle, front and back of the present invention drive mechanism, utilize existing combination transmission gearbox to realize the off-road capability that the front and back bridge drives simultaneously dexterously, engine behind front wheel is convenient to the exploitation of high-mobility, multipurpose, wheeled vehicle vehicle, transmission gearbox and driving engine all are fixed on the rigid-frame simultaneously, the bel-drivenn width between centers can remain on perfect condition, the negative effect of having avoided wheel bounce to bring effectively, and transmission of power is stable, the efficient height, the service life of significant prolongation belt.
The present invention is simple in structure, and major part and assembly can be selected the standardized product of existing jeep, minicar, farm vehicle for use, has not only guaranteed quality, has also realized lower productive costs.
The invention will be further described below in conjunction with Figure of description and embodiment.
Fig. 1 is the lateral plan of the embodiment of the invention.
Fig. 2 is the birds-eye view of the embodiment of the invention.
Fig. 3 is the front elevation of the embodiment of the invention.
Present embodiment mainly is made of parts such as driving engine (1), combination transmission gearbox (2), main car frame (3), subframe (4), independent front suspension (5), back axle (6) and drivings device (7) thereof.
Present embodiment adopts straight frame, and subframe (4) is positioned at the front upper of main car frame (3), and its longeron is welded into an integral body by 6 vertical upright beams of stretching down (8) with main car frame.Combination transmission gearbox (2) is vertically fixed in by nut on the crossbeam of main car frame of independent front suspension (5) top, and when selecting the 3+1 combination transmission gearbox that generally uses at present for use, its front portion is a box of tricks, about an output shaft (9) is respectively arranged; Its middle part is a representative type 3+1 gear gearbox, and the rear portion is the power wheel (11) of built-in power-transfer clutch (10), is installed in the anterior driving engine (1) of subframe (4) and drives power wheel (11) by driving band (12), constitutes transmission of power.Driving band (12) can be selected rubber V-belt, metal bracelet or rubber synchronous belt for use.
In the present invention, driving engine can be installed a plurality of positions at front portion, top or the rear portion of propons, and its typical case is the engine behind front wheel layout among the embodiment, is convenient to the exploitation of high-mobility, multipurpose, wheeled vehicle vehicles such as pick up, riding jeep.Driving engine also can be selected comparatively advanced types such as single cylinder high speed direct injection diesel engine for use, thereby improves the technical performance of car load.
The independent front suspension of present embodiment (5) is selected the double cross arm independent suspension structure for use, its top link (13) is fixed on the longeron of subframe (4) by arm shaft, following swing arm (14) is fixed on the longeron of main car frame (3) by arm shaft, vertical " yielding formula " pull bar (15) that is welded on down swing arm also is fixed on by rubber bush on the longeron of main car frame, and its effect is the longitudinal impact that the buffering wheel transmits.The elastic element of suspension system is designed to coil spring (16), is nested together with telescopic shock absorber (17), and two ends are separately fixed on the supporting seat (18) of top link and subframe.
In diagonal angle of the present invention drive mechanism, it is drive wheel that front-wheel has only a side, jack shaft (19) is the double jaw joint structure, inboard universal-joint (20) flange is fixed together with the boss of the output shaft (9) of combination transmission gearbox (2) one sides, the outboard joint of jack shaft (21) is connected with front wheel hub (22), and the spider center of this universal-joint is positioned on pumping arm action ball end (23) (24) line.For adapt to front-wheel travel in the needs of bob, jack shaft is provided with the free-sliding spline of being made up of cliding yoke and castellated shaft and is connected, with the variation of realization semiaxis length.
When using 3+1 combination transmission gearbox, driving band (12) may be interfered with f-w-d semiaxis (19), can install a tape guide roller (25) additional.
In the present embodiment, back axle (6) adopts the parallel leaf spring type dependent suspension, the trailing wheel that an opposite side with front driving wheel is only arranged is a drive wheel, one end of its jack shaft (26) has been fixed a power wheel (27), the power of driving engine passes to jack shaft (26) via the axle head power wheel (28) of the output shaft (9) of combination transmission gearbox (2) opposite side by driving device (7).Driving device (7) can be selected rubber V-belt, metal bracelet or rubber synchronous belt for use, also can be designed as transmission shaft.In belt drive, the transmission radius of power wheel (27), (28) is identical, so that the front and back drive wheel keeps equal angle rotary speed, at this moment, the diff in the combination transmission gearbox (2) is being brought into play the effect of interaxle differential.
In sum, the present invention just can use the combination transmission gearbox with clutch, speed change, differential function, bridge diagonal angle drive mechanism before and after realizing, make vehicle have cross country power under simple in structure, lower-cost prerequisite, engine behind front wheel provides good conditions for the exploitation of multi-purpose farm vehicle simultaneously.
In addition, combination transmission gearbox and driving engine all are fixed on the rigid-frame, the also negative effect of having avoided wheel bounce to bring effectively, and transmission of power is stable, efficient height, the service life of significant prolongation belt.
Claims (5)
1. agricultural vehicle engine behind front wheel, bridge diagonal angle, front and back drive system, mainly by driving engine (1), combination transmission gearbox (2), main car frame (3), subframe (4), independent front suspension (5), part such as back axle (6) and driving device (7) thereof constitutes, it is characterized in that to have clutch, speed change, the combination transmission gearbox (2) of differential function is fixed on the vehicle frame (3) of propons top, F/F (1) drives transmission gearbox by driving band (12), the front-wheel of output shaft (9) this side of direct drive of transmission gearbox one side, the output shaft of opposite side (9) drives the trailing wheel of this side indirectly by driving device (7), the effect of the diff performance shaft space difference speed of transmission gearbox, thus realize the cross country power that engine behind front wheel and bridge diagonal angle, front and back drive.
2. device according to claim 1 is characterized in that subframe (4) is positioned at the front upper of main car frame (3), and its longeron is welded into an integral body by 6 vertical upright beams of stretching down (8) with main car frame; Driving engine (1) is installed fore subframe (4), the combination transmission gearbox is vertically fixed in by nut on the crossbeam of main car frame of independent front suspension (5) top, when selecting the 3+1 combination transmission gearbox that generally uses at present for use, its front portion is a box of tricks, about an output shaft (9) is respectively arranged, the middle part is a representative type 3+1 gear gearbox, and the rear portion is the power wheel (11) of built-in power-transfer clutch (10), and driving band (12) can be selected rubber V-belt, metal bracelet or rubber synchronous belt for use.
3. device according to claim 1, it is characterized in that independent front suspension (5) selects the double cross arm independent suspension structure for use, its top link (13) is fixed on the longeron of subframe (4) by arm shaft, following swing arm (14) is fixed on the longeron of main car frame (3) by arm shaft, vertical " yielding formula " pull bar (15) that is welded on down swing arm also is fixed on the longeron of main car frame by rubber bush, the elastic element of suspension system is designed to coil spring (16), be nested together with telescopic shock absorber (17), two ends are separately fixed on the supporting seat (18) of top link and subframe.
4. device according to claim 1, it is characterized in that back axle (6) adopts the parallel leaf spring type dependent suspension, the trailing wheel that an opposite side with front driving wheel is only arranged is a drive wheel, one end of its jack shaft (26) has been fixed a power wheel (27), the power of driving engine is via the axle head power wheel (28) of the output shaft (9) of combination transmission gearbox (2) opposite side, pass to jack shaft (26) by driving device (7), driving device (7) can be selected rubber V-belt, metal bracelet or rubber synchronous belt for use, also can be designed as transmission shaft.
5. device according to claim 3, the jack shaft (19) that it is characterized in that front driving wheel is the double jaw joint structure, inboard universal-joint (20) flange and combination transmission gearbox (2) the wherein boss of the output shaft of a side (9) are fixed together, the outboard joint of jack shaft (21) is connected with front wheel hub (22), and the spider center of this universal-joint is positioned on pumping arm action ball end (23) (24) line, jack shaft is provided with the free-sliding spline of being made up of cliding yoke and castellated shaft and is connected, to realize the variation of semiaxis length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99125484 CN1298815A (en) | 1999-12-08 | 1999-12-08 | Diagonal drive system for agricultural vehicle with front engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99125484 CN1298815A (en) | 1999-12-08 | 1999-12-08 | Diagonal drive system for agricultural vehicle with front engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1298815A true CN1298815A (en) | 2001-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99125484 Pending CN1298815A (en) | 1999-12-08 | 1999-12-08 | Diagonal drive system for agricultural vehicle with front engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1298815A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2588412C1 (en) * | 2015-06-10 | 2016-06-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Курганский государственный университет" | Diagonal drive for wheels of drive axles |
| CN106353830A (en) * | 2016-08-30 | 2017-01-25 | 北京华力兴科技发展有限责任公司 | Drive system for self-walking vehicle carrying and container/vehicle inspection device |
| RU2740523C1 (en) * | 2020-04-20 | 2021-01-15 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Курганский государственный университет" | Diagonal drive of driving wheels |
-
1999
- 1999-12-08 CN CN 99125484 patent/CN1298815A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2588412C1 (en) * | 2015-06-10 | 2016-06-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Курганский государственный университет" | Diagonal drive for wheels of drive axles |
| CN106353830A (en) * | 2016-08-30 | 2017-01-25 | 北京华力兴科技发展有限责任公司 | Drive system for self-walking vehicle carrying and container/vehicle inspection device |
| CN106353830B (en) * | 2016-08-30 | 2019-04-16 | 北京华力兴科技发展有限责任公司 | For the drive system and container/vehicle inspection equipment from carrier vehicle of walking |
| RU2740523C1 (en) * | 2020-04-20 | 2021-01-15 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Курганский государственный университет" | Diagonal drive of driving wheels |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Jindu Agricultural Vehicle Development Co Ltd, Luoyang Hi-Tech Development Regio Document name: Notice of publication of application for patent for invention |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |