CN104589918A - High-trafficability tread stepless-adjustable type vehicle transmission system - Google Patents
High-trafficability tread stepless-adjustable type vehicle transmission system Download PDFInfo
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- CN104589918A CN104589918A CN201410813086.XA CN201410813086A CN104589918A CN 104589918 A CN104589918 A CN 104589918A CN 201410813086 A CN201410813086 A CN 201410813086A CN 104589918 A CN104589918 A CN 104589918A
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Abstract
The invention discloses a high-trafficability tread stepless-adjustable type vehicle transmission system. The high-trafficability tread stepless-adjustable type vehicle transmission system comprises an upper vehicle frame, wherein a drive axle, a left hub reduction gear and a right hub reduction gear are arranged on the top of the upper vehicle frame, the left hub reduction gear and the right hub reduction gear are connected with the driven axle through vertical universal transmission shafts, the hub reduction gears are arranged on the rear portion of the bottom of a left vehicle frame and the rear portion of the bottom of a right vehicle frame, and driving of wheels is controlled by controlling hub reduction gear output shafts in the hub reduction gears. According to the high-trafficability tread stepless-adjustable type vehicle transmission system, the left vertical universal transmission shaft and the right vertical universal transmission shaft are driven by the drive axle, and thus the left wheel and the right wheel are controlled through the left hub reduction gear and the right hub reduction gear; an output shaft of the drive axle is connected with the left hub reduction gear and the right hub reduction gear through the vertical universal transmission shafts respectively; power can still be transmitted reliably when the distance between the left hub reduction gear and the right hub reduction gear and the distance between the driving wheels change; meanwhile, stepless tread adjustment can be achieved easily, the transmission system is stable, trafficability is high, crops are prevented from being destroyed when an agricultural machine works in fields, and the high-trafficability tread stepless-adjustable type vehicle transmission system plays a positive role in increasing crop yield and guaranteeing good crop harvests.
Description
Technical field
The present invention relates to field machine driving system field, be specially a kind of cross-country traveling ability, the stepless adjustable vehicle drive system of wheelspan that solve the step-less adjustment problem that cannot be realized by highly low and wheelspan that existing agricultural vehicle driving system exists.
Background technology
Along with the continuous progress and development of society, the especially continuous propelling of interchangeable manufacturing and the popularization and application in each industry of every profession and trade, the development of multi-form machinery for field, place in different fields serves the impetus of can not ignore.
Agricultural development is the basic of social stability, is also simultaneously a major issue of the relation people's livelihood, and from traditional slash-and-burn cultivation mechanized farming till now, farming efficiency and the harvest of agricultural have had a lot of raisings.And field machine is while efficiency operation, also also exist the wheel of field machine and vehicle frame by time injury to farming.At present, the farmstead equipment based on trac., ubiquity, by the problem highly low, wheelspan cannot realize step-less adjustment, very easily produces when causing trac. to carry out farm work and weighs wounded or scratch crops.The terrain clearance of tractor rear axle directly affects the crossing ability of its farm work.Cause the low major cause of back axle terrain clearance to be that drive wheel axis is coaxial with half shaft, drive wheel diameter can not be too large, and general drive wheel diameter is not more than 1.8m, cause current cross-country traveling ability trac. by highly general lower than 0.8m.Improve the liftoff setting height(from bottom) of drive axle, the structure of existing drive axle must be changed.
Therefore, provide a kind of good by performance, and wheelspan can carry out stepless adjustable agricultural machinery driving system, has been a urgent problem.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, the invention provides a kind of working stability, and crossing ability is high, wheelspan can carry out stepless adjustable novel agricultural facility vehicle legacy system.
The object of the present invention is achieved like this:
The stepless adjustable vehicle drive system of a kind of cross-country traveling ability, wheelspan, comprise upper frame, upper frame top is provided with drive axle 1, and the left and right wheel reduction gear 3 to be connected with drive axle 1 by 2 vertical universal drive shafts 2, described wheel reduction gear 3 is arranged on left and right bottom of frame position to the rear, by the wheel reduction gear output shaft 18 in control wheel side reducer 3, and then control the driving of wheel;
Described drive axle 1 comprises change speed gear box 9, the power-transfer clutch 8 be connected with change speed gear box 9, and the axle shaft housing 7 be connected with change speed gear box 9 left side, the power takeoff 5 be connected with the left side of axle shaft housing 7; The two ends of described drive axle 1 are provided with angle retarder 4; Described power takeoff 5 is provided with power takeoff operating handle 6;
Described angle retarder 4 comprises the left side angle retarder that the left side that is arranged on drive axle 1 is connected with the left side of power takeoff 5, and the right side angle retarder that the right side arranging drive axle 1 is connected with the right side of change speed gear box 9;
The built-in diff 10 of described change speed gear box 9, the semiaxis 22 of the power exported on the left of diff 10 through being arranged in axle shaft housing 7, the power takeoff 5 be connected with semiaxis 22, the left side angle retarder 4 be connected with power takeoff 5, the vertical universal drive shaft 2 in the left side be connected with left side angle retarder 4, the left side wheels side reducer 3 be connected with the vertical universal drive shaft in left side, carries out controlling the driving to left wheel; The power exported on the right side of described diff 10 drives right-hand wheel side reducer 3 by right side angle retarder 4, the vertical universal drive shaft 2 in right side successively, and then realizes the drived control to right side wheels;
Described power takeoff 5 is connected between left side angle retarder and semiaxis 22, and power takeoff 5 comprises a pair dental clutch, i.e. active jaw 13 and from dynamic interlocking teeth 14, and described power takeoff 5 is provided with power takeoff operating handle 6; Described active jaw 13 adopts spline joint with the input shaft of left side angle retarder, from dynamic interlocking teeth 14 empty set on the input shaft of left side angle retarder, is integrated makes from dynamic interlocking teeth 14 and power output sprocket; Described active jaw 13 connects shift fork 12, and shift fork 12 is connected with slide bar 11, and slide bar 11 connects power takeoff operating handle 6;
Described wheel reduction gear 3 comprises a pair conical gear; The output shaft 18 of wheel reduction gear 3 is equipped with brake wheel 17 and drive wheel, and the hub reducer casing 16 be arranged on outside wheel reduction gear 3, hub reducer casing 16 is fixed with back-plate 20, in brake wheel 17, is provided with the shoe brake comprising brake shoe 21; Described wheel reduction gear 3 is provided with the driving gear shaft 15 be connected with vertical universal drive shaft 2, the wheel reduction gear output shaft (18) be connected with drive wheel, driving gear shaft (15) makes one drive bevel gear and imput shaft, drive bevel gear engages with driven wheel of differential (19), and driven wheel of differential (19) is connected on wheel reduction gear output shaft (18) by key.
positive beneficial effect:the present invention drives the vertical universal drive shaft in left side and right side vertical drive shaft by drive axle, and then is completed revolver and the right control taken turns by left side wheels side reducer and right-hand wheel side reducer.The present invention still can reliable delivery power when left and right wheels side reducer and the change of drive wheel spacing, step-less adjustment wheelspan easily can be realized simultaneously, working stability is reliable, and crossing ability is high, avoid agricultural machinery injury to crops when farm work, for raising crop yield, ensure that the good harvest of crops serves positive booster action.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is drive axle plan structure schematic diagram of the present invention;
Fig. 3 is drive axle sectional structure schematic diagram of the present invention;
Fig. 4 is wheel reduction gear sectional structure schematic diagram of the present invention;
In figure be: drive axle 1, vertical universal drive shaft 2, wheel reduction gear 3, angle retarder 4, power takeoff 5, power takeoff operating handle 6, axle shaft housing 7, power-transfer clutch 8, change speed gear box 9, diff 10, slide bar 11, shift fork 12, active jaw 13, from dynamic interlocking teeth 14, driving gear shaft 15, hub reducer casing 16, brake wheel 17, wheel reduction gear output shaft 18, driven wheel of differential 19, back-plate 20, brake shoe 21, semiaxis 22.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further:
As shown in Figure 1, the stepless adjustable vehicle drive system of a kind of cross-country traveling ability, wheelspan, comprise upper frame, upper frame top is provided with drive axle 1, and the left and right wheel reduction gear 3 to be connected with drive axle 1 by 2 vertical universal drive shafts 2, described wheel reduction gear 3 is arranged on left and right bottom of frame position to the rear, by the wheel reduction gear output shaft 18 in control wheel side reducer 3, and then controls wheel;
As shown in Figure 2, described drive axle 1 comprises change speed gear box 9, the power-transfer clutch 8 be connected with change speed gear box 9, and with the axle shaft housing 7 be connected on the left of change speed gear box 9, the power takeoff 5 be connected with the left side of axle shaft housing 7; The two ends of described drive axle 1 are provided with angle retarder 4; Described power takeoff 5 is provided with power takeoff operating handle 6;
Described angle retarder 4 comprises the left side being arranged on drive axle 1, the left side angle retarder be connected with the left side of power takeoff 5, and the right side angle retarder that the right side arranging drive axle 1 is connected with the right side of change speed gear box 9;
The built-in diff 10 of described change speed gear box 9, the semiaxis 22 of the power exported on the left of diff 10 through being arranged in axle shaft housing 7, the power takeoff 5 be connected with semiaxis 22, the left side angle retarder be connected with power takeoff 5, the vertical universal drive shaft in left side be connected with left side angle retarder, the left side wheels side reducer be connected with the vertical universal drive shaft in left side, carries out controlling the driving to left wheel; The power exported on the right side of described diff 10 is driven right-hand wheel side reducer by right side angle retarder, the vertical universal drive shaft in right side, and then is realized the drived control to right side wheels successively;
As shown in Figure 3, described power takeoff 5 is connected between left side angle retarder and semiaxis 22, and power takeoff 5 comprises a pair dental clutch, i.e. active jaw 13 and from dynamic interlocking teeth 14, and described power takeoff 5 is provided with power takeoff operating handle 6; Described active jaw 13 adopts spline joint with the input shaft of left side angle retarder, from dynamic interlocking teeth 14 empty set on the input shaft of left side angle retarder, is integrated makes from dynamic interlocking teeth 14 and power output sprocket; Described active jaw 13 connects shift fork 12, and shift fork 12 is connected with slide bar 11, and slide bar 11 connects power takeoff operating handle 6;
As shown in Figure 4, described wheel reduction gear 3 comprises a pair conical gear; The wheel reduction gear output shaft 18 of wheel reduction gear 3 is equipped with brake wheel 17 and drive wheel, and support the hub reducer casing 16 of a pair conical gear, hub reducer casing 16 is fixed with back-plate 20, the shoe brake comprising brake shoe 21 is provided with in brake wheel 17, to reduce wheel reduction gear and drg lateral dimension, improve the crossing ability of vehicle; Described wheel reduction gear 3 is provided with the driving gear shaft 15 be connected with vertical universal drive shaft 2, the wheel reduction gear output shaft 18 be connected with drive wheel, driving gear shaft makes one drive bevel gear and imput shaft, drive bevel gear engages with driven wheel of differential 19, and driven wheel of differential 19 is connected on wheel reduction gear output shaft 18 by key.
Described angle retarder 4 comprises a pair conical gear, is used for changing transmission direction, and further deceleration increasing is turned round.
When vehicle carries out farm work, the power that driving engine exports is after power-transfer clutch, change speed gear box, by change speed gear box built-in diff, power equivalent is distributed to the left and right sides, left side power drives left side wheels side reducer and the left wheel in left side through semiaxis, power takeoff, the vertical universal drive shaft in left side angle retarder, left side; Right side power drives right-hand wheel side reducer and right wheel through right side angle retarder, the vertical universal drive shaft in right side, diff not differential during straight line moving, two side drive wheel constant velocity rotation, steering torque is produced by wheel flutter and ground effects during turning, diff is made to start differential, interior side drive wheel rotating speed is slack-off, and outside faster rotational speed realizes vehicle and turns to smoothly.Angle retarder and wheel reduction gear all utilize a pair conical gear to change transmission direction, realize deceleration increasing and turn round, and increase the tractive force of drive wheel.Drive wheel is arranged on the wheel reduction gear output shaft of wheel reduction gear by brake wheel, needs to brake brake wheel by opening brake shoe during sudden stop.Regulate the Wheel space adjusting device on vehicle frame, can the transverse pitch of stepless changing left and right wheels side reducer, realize the step-less adjustment of left and right wheels distance.During regulating wheel distance, vehicle frame can ensure that the output shaft of left and right side angle retarder is parallel with between the input shaft of left and right wheels side reducer, meets the condition of universal drive shaft constant speed drive.
The power takeoff be arranged in driving system when walking from vehicle drive system extraction portion sub-power, can meet agricultural machinery and implement and draws and the requirement driven.The power takeoff of this driving system is disposed in series between left side angle retarder and semiaxis, by operating the handle of power takeoff, moving slide-bar, shift fork and active jaw sway can be with, realize active jaw with by the engagement of dynamic interlocking teeth be separated, the combination controlling power takeoff outputting power be separated.
The present invention drives left side universal drive shaft and right side vertical drive shaft by drive axle, and then is completed revolver and the right control taken turns by left side wheels side reducer and right-hand wheel side reducer.The present invention still can reliable delivery power when left and right wheels side reducer and the change of drive wheel spacing, step-less adjustment wheelspan easily can be realized simultaneously, working stability is reliable, and crossing ability is high, avoid agricultural machinery injury to crops when farm work, crops good harvest is protected for raising crop yield and serves positive booster action.
Above case study on implementation is only for illustration of the preferred embodiment of the present invention; but the present invention is not limited to above-mentioned embodiment; in the ken that described exercising ordinary skill possesses; the any amendment done within the spirit and principles in the present invention, equivalent to substitute and improvement etc., the protection domain of the application all should be considered as.
Claims (7)
1. a cross-country traveling ability, the stepless adjustable vehicle drive system of wheelspan, comprise upper frame, it is characterized in that: described upper frame top is provided with drive axle (1), and the left and right wheel reduction gear (3) to be connected with drive axle (1) by 2 vertical universal drive shafts (2), described wheel reduction gear (3) is arranged on left and right bottom of frame position to the rear, by the wheel reduction gear output shaft (18) in control wheel side reducer (3), and then control the driving of wheel.
2. a kind of cross-country traveling ability according to claim 1, the stepless adjustable vehicle drive system of wheelspan, it is characterized in that: described drive axle (1) comprises change speed gear box (9), the power-transfer clutch (8) be connected with change speed gear box (9), and the axle shaft housing (7) to be connected with change speed gear box (9) left side, the power takeoff (5) be connected with the left side of axle shaft housing (7); The two ends of described drive axle (1) are provided with angle retarder (4); Described power takeoff (5) is provided with power takeoff operating handle (6).
3. a kind of cross-country traveling ability according to claim 2, the stepless adjustable vehicle drive system of wheelspan, it is characterized in that: described angle retarder (4) comprises the left side angle retarder that the left side that is arranged on drive axle (1) is connected with the left side of power takeoff (5), and the right side angle retarder that the right side arranging drive axle (1) is connected with the right side of change speed gear box (9).
4. a kind of cross-country traveling ability according to claim 2, the stepless adjustable vehicle drive system of wheelspan, it is characterized in that: described change speed gear box (9) built-in diff (10), the semiaxis (22) of power through being arranged in axle shaft housing (7) that diff (10) left side exports, the power takeoff (5) be connected with semiaxis (22), left side angle retarder (4) be connected with power takeoff (5), the vertical universal drive shaft in the left side (2) be connected with left side angle retarder (4), the left side wheels side reducer (3) be connected with the vertical universal drive shaft in left side, carry out controlling the driving to left wheel, the power that described diff (10) right side exports drives right-hand wheel side reducer (3) by right side angle retarder (4), the vertical universal drive shaft in right side (2) successively, and then realizes the drived control to right side wheels.
5. a kind of cross-country traveling ability according to claim 2, the stepless adjustable vehicle drive system of wheelspan, it is characterized in that: described power takeoff (5) is connected between left side angle retarder and semiaxis (22), power takeoff (5) comprises a pair dental clutch, i.e. active jaw (13) and from dynamic interlocking teeth (14), described power takeoff (5) is provided with power takeoff operating handle (6); Described active jaw (13) adopts spline joint with the input shaft of left side angle retarder, from dynamic interlocking teeth (14) empty set on the input shaft of left side angle retarder, is integrated makes from dynamic interlocking teeth (14) and power output sprocket; Described active jaw (13) connects shift fork (12), and shift fork (12) is connected with slide bar (11), and slide bar (11) connects power takeoff operating handle (6).
6. a kind of cross-country traveling ability according to claim 1, the stepless adjustable vehicle drive system of wheelspan, is characterized in that: described wheel reduction gear (3) comprises a pair conical gear; The output shaft (18) of wheel reduction gear (3) is equipped with brake wheel (17) and drive wheel, and be arranged on wheel reduction gear (3) hub reducer casing outward (16), hub reducer casing (16) is fixed with back-plate (20), brake wheel is provided with the shoe brake comprising brake shoe (21) in (17); Described wheel reduction gear (3) is provided with the driving gear shaft (15) be connected with vertical universal drive shaft (2), the wheel reduction gear output shaft (18) be connected with drive wheel, driving gear shaft (15) makes one drive bevel gear and imput shaft, drive bevel gear engages with driven wheel of differential (19), and driven wheel of differential (19) is connected on wheel reduction gear output shaft (18) by key.
7. a kind of cross-country traveling ability according to claim 2, the stepless adjustable vehicle drive system of wheelspan, is characterized in that: described angle retarder (4) comprises a pair conical gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410813086.XA CN104589918B (en) | 2014-12-24 | 2014-12-24 | The stepless adjustable vehicle drive system of a kind of cross-country traveling ability, wheelspan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410813086.XA CN104589918B (en) | 2014-12-24 | 2014-12-24 | The stepless adjustable vehicle drive system of a kind of cross-country traveling ability, wheelspan |
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| Publication Number | Publication Date |
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| CN104589918A true CN104589918A (en) | 2015-05-06 |
| CN104589918B CN104589918B (en) | 2017-05-31 |
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| CN201410813086.XA Active CN104589918B (en) | 2014-12-24 | 2014-12-24 | The stepless adjustable vehicle drive system of a kind of cross-country traveling ability, wheelspan |
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Cited By (3)
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|---|---|---|---|---|
| CN107415682A (en) * | 2017-08-07 | 2017-12-01 | 许昌职业技术学院 | The transmission system of self-propelled planting machine |
| CN111924001A (en) * | 2020-08-11 | 2020-11-13 | 山东省农业机械科学研究院 | Steering mechanism, chassis and field operation vehicle |
| CN114954708A (en) * | 2022-07-01 | 2022-08-30 | 湖南利美防爆装备制造股份有限公司 | Semi-mounted tractor |
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| CN204322928U (en) * | 2014-12-24 | 2015-05-13 | 许昌远方工贸有限公司 | The stepless adjustable vehicle drive system of a kind of cross-country traveling ability, wheelspan |
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| JP2010058705A (en) * | 2008-09-04 | 2010-03-18 | Mitsubishi Agricult Mach Co Ltd | Riding type mobile agricultural machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107415682A (en) * | 2017-08-07 | 2017-12-01 | 许昌职业技术学院 | The transmission system of self-propelled planting machine |
| CN107415682B (en) * | 2017-08-07 | 2024-02-13 | 许昌职业技术学院 | Transmission system of self-propelled planting machine |
| CN111924001A (en) * | 2020-08-11 | 2020-11-13 | 山东省农业机械科学研究院 | Steering mechanism, chassis and field operation vehicle |
| CN111924001B (en) * | 2020-08-11 | 2023-01-13 | 山东省农业机械科学研究院 | Steering mechanism, chassis and field operation vehicle |
| CN114954708A (en) * | 2022-07-01 | 2022-08-30 | 湖南利美防爆装备制造股份有限公司 | Semi-mounted tractor |
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|---|---|
| CN104589918B (en) | 2017-05-31 |
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