CN2827820Y

CN2827820Y - High road clearance four-wheel driven tractor

Info

Publication number: CN2827820Y
Application number: CN 200520075508
Authority: CN
Inventors: 何彦平; 王恒云; 赵学军; 许峰
Original assignee: 何彦平
Priority date: 2005-09-15
Filing date: 2005-09-15
Publication date: 2006-10-18
Anticipated expiration: 2015-09-15

Abstract

The utility model relates to a high road clearance four-wheel driven tractor. The utility model has the technical scheme that the utility model comprises an engine, a clutch, a gearbox, a girder, a front drive axle, a rear drive axle, a walking wheel, a transfer case and a side edge transmission mechanism, wherein the rear drive axle adopts the structure of the front drive axle; the engine, the clutch, the gearbox and the transfer case are arranged on the upper side of the girder; the front axle and the rear axle are respectively arranged on the front lower side and the rear lower side of the girder; one end of the clutch forms frictional connection with a power output flywheel of the engine, and the other end is connected with an input shaft of the gearbox; an output shaft of the gearbox is connected with an input shaft of the transfer case; both ends of an output shaft of the transfer case are respectively connected with input shafts of the front drive axle and the rear drive axle through universal joints; output shafts of the front axle and the rear axle are respectively connected with the power input end of a transmission mechanism on the corresponding side edge; the power output shaft end of the transmission mechanism on the side edge is connected with the walking wheel. The utility model has the advantages of high complete machine road clearance, wide adaptability, light complete machine weight and difficult subsidence.

Description

Crack, highland four-wheel drive tractor

Technical field

The utility model relates to the trac. in farm work, particularly crack, a kind of highland four-wheel drive tractor of the farm work in high-stem plant or paddy field.

Background technology

Existing middle-size and small-size four-wheel drive tractor, the gap that its front and back bridge is liftoff is lower, generally at 30～50 centimetres, the field management and the paddy rice that can only adapt to shorter plant are carried slotting preceding farm work, the field management of high culm plant middle and later periods of incompatibility, for example, paddy rice is carried the operation after inserting.When large-scale four-wheel drive tractor carries out operation in the field of high culm plant, solve the not high enough problem in crack, ground by the diameter that strengthens road wheel often, this method that adds the earth crack is limited, maximum adaptable plant height is about about 70 centimetres, but the counter productive that also can bring deadweight to strengthen thus, this can make their easier sink when paddy-field-working, in the field of viscosity even can't carry out farm work.

Summary of the invention

The purpose of this utility model is the driver train of existing middle-size and small-size four-wheel drive tractor is improved, on the basis that own wt increases hardly, make ground crack height that by a relatively large margin increase can be arranged, the field management that makes it to adapt to high culm plant can also adapt to crack, a kind of highland four-wheel drive tractor of different soil properties field field management such as paddy field, viscosity field, and it is achieved by following technical proposals:

Comprise driving engine, power-transfer clutch, change speed gear box, crossbeam, front driving axle, rear driving axle, road wheel and part-time case, also comprise the side transmission device; Rear driving axle adopts the front driving axle structure; Described driving engine, power-transfer clutch, change speed gear box and part-time case are installed in the crossbeam upside, propons, back axle is installed in the preceding downside and the back downside of crossbeam respectively, the takeoff output flywheel frictional connection of power-transfer clutch one end and driving engine, the other end is connected with the change speed gear box input shaft, output shaft of gear-box connects the part-time case input shaft, universal-joint is passed through at part-time case output shaft two ends respectively, be connected with the input shaft of front driving axle and rear driving axle, the output shaft of propons and back axle is connected with the power intake of respective side transmission device respectively, and the takeoff output axle head of described side transmission device is connected with road wheel.

Described part-time case is made up of transmission and transfer casing that N gear forms, and described gear places in the described casing side by side by gear wheel shaft separately, and wherein, first gear wheel shaft is connected with described output shaft of gear-box; The two ends of N gear wheel shaft are connected with rear driving axle with front driving axle by universal-joint respectively.

Described side transmission device comprises preceding right edge transmission device, limit, preceding left side transmission device, back right edge transmission device and limit, left side, back transmission device; Each side transmission device all is made up of with the universal-joint that is connected above-mentioned two bevel gear transmissions, transmission shaft side box body, last bevel gear transmission, subumbrella gear driving pair, four casings are separately fixed at front driving axle, rear driving axle both sides, described upper and lower bevel gear transmission places in this casing, last bevel gear transmission is meshing with each other by horizontal first bevel gear of pivot center and perpendicular second bevel gear of putting of pivot center and forms, and described lower gear transmission erects the 4th bevel gear of putting by horizontal the 3rd bevel gear of pivot center and pivot center and is meshing with each other and forms; Four described first bevel gears are connected with the output shaft of propons, back axle respectively, and described the second, the 4th bevel gear is connected with the upper and lower axle head of described transmission shaft respectively, and described the 3rd bevel gear is connected with road wheel by semiaxis.

The beneficial effects of the utility model are: 1) crack, complete machine ground height, and the maximum ground Clearance can reach 90～100 centimetres; 2) wide adaptability energy can adapt to the farm work of the long-stalked crops in the dry land, and the crop that also can adapt in the paddy field is carried the farm work of inserting front and back; 3) complete machine is in light weight, is difficult for sinking, and adapts to the paddy field plant protection and the fertilising operation of clayey ground especially.

Description of drawings

Fig. 1 is a structural representation of the present utility model

Fig. 2 is that the A of Fig. 1 is to view

Fig. 3 is that the B of Fig. 1 is to view

1 is the lower gear transmission among the figure, the 2nd, and transmission shaft, 12, the 15th, transmission shaft, the 3rd, the transmission that cogs, the 4th, driving engine, the 5th, power-transfer clutch, the 6th, change speed gear box, the 7th, part-time case, the 8th, crossbeam, the 9th, front driving axle, 9 ' be rear driving axle, the 10th, the transfer casing, the 11st, flywheel, 13 is first gear wheel shafts, 13 ' be second gear wheel shaft, 13 " be the 3rd gear wheel shaft; the 14th, universal-joint, the 16th, road wheel, the 17th, the output shaft of propons or back axle; the 19th, the input shaft of front driving axle or rear driving axle; the 20th, drive coupling, the 21st, preceding pontic, 21 ' be the back pontic; the 22nd, side transmission device; 23 is first bevel gears, 23 ' be second bevel gear, 25 is the 3rd bevel gears, 25 ' be the 4th bevel gear, the 26th, semiaxis.

The specific embodiment

Below in conjunction with drawings and Examples the utility model and advantage thereof are described further.

Contrast Fig. 1, driving engine 4, power-transfer clutch 5, change speed gear box 6 and part-time case 7 are installed in the upside of crossbeam 8, and propons 9, back axle 10 are installed in the preceding downside and the back downside of crossbeam 8 respectively.Power-transfer clutch 5 is assembled in the driving engine 4, takeoff output flywheel 11 frictional connectiones of its end and driving engine 4, the output shaft of driving engine 4 is connected by drive coupling 20 with the input shaft of change speed gear box 6, and the output shaft of shaft gearbox 6 is that first gear wheel shaft 13 is connected by the input shaft in drive coupling 20 and the part-time case 7.Part-time case 7 is made up of transmission and transfer casing that three gears form, three gears place in the casing the 3rd wheel tooth wheel shaft 13 side by side by gear wheel shaft separately " two ends respectively by universal-joint 14 and

transmission shaft

15,12 and front driving axle 9 and rear driving axle 9 ' be connected.

Contrast Fig. 2, front driving axle 9 and rear driving axle 9 ' the two ends of output shaft 17 be connected with respective side transmission device 22 respectively, the side transmission device has just comprised preceding right edge transmission device, limit, preceding left side transmission device, back right edge transmission device and limit, left side, back transmission device like this.Each side transmission device all is made up of side box body 10, last bevel gear transmission 3, subumbrella gear driving pair 1 and transmission shaft 2, four casings are separately fixed at front driving axle 9, rear driving axle 9 ' both sides, upper and lower bevel gear transmission and transmission shaft 2 place in this casing 10, see also Fig. 3.Make for convenience and generally make split type with installation transmission gearbox 10, promptly be used to put bevel gear transmission 3 the side transmission gearbox, be used to the traction drive case putting the driving axle box of transmission shaft 2 and be used to put subumbrella gear driving pair 1, the upper and lower side of driving axle box is connected to form one with side transmission gearbox and traction drive case respectively, and the side transmission gearbox is connected with crossbeam 8.

Last bevel gear transmission 3 is by first bevel gear 23 and second bevel gear 23 ' being meshing with each other forms, and the turning cylinder of first bevel gear 23 is horizontal, second bevel gear 23 ' perpendicular the putting of turning cylinder.Subumbrella gear driving pair 1 is by the 3rd bevel gear 25 and the 4th bevel gear 25 ' being meshing with each other forms, the 4th bevel gear 25 ' turning cylinder horizontal, the pivot center of the 3rd bevel gear 25 is perpendicular to be put.First bevel gear in four side transmission devices 22 divides 23 not to be connected with the output shaft 17 of front driving axle, rear driving axle, the second, the 4th bevel gear 23 ', 25 ' respectively be connected with the upper and lower axle head of transmission shaft 2, the 3rd bevel gear 25 is connected with road wheel 16 by semiaxis 26.For the ease of installing and prevent owing to transmission shaft 2 error of perpendicularitys influence transmission, transmission shaft 2 and the 4th bevel gear 25 ' between be connected by universal-joint 14.

Front driving axle 9 and rear driving axle 9 ' the two ends of output shaft 17 be connected with first bevel gear 23 in the respective side transmission device 22 respectively, input shaft 19 is connected with the output shaft of part-time case 7 by universal-joint 14, transmission shaft 15 or transmission shaft 12.

During work, the power of driving engine is transferred to part-time case 7 through power-transfer clutch 5, change speed gear box 6, be transferred to respectively through the output shaft two ends of part-time case 7 propons 9 and back axle 9 ', propons 9 and back axle 9 ' output shaft 17 drive the side transmission device 22 of both sides again, mouth ground-engaging wheel 16 walkings of side transmission device 22.

The utility model adopts the side transmission device to increase the crack, ground of four-wheeled tractor, each side transmission device is owing to only be made up of two gear driving pairs, a transmission shaft and relevant casing, very little with respect to complete machine weight, but crack, the ground height that increases is very big, it is low so just to have solved crack, prior art middle-size and small-size four-wheel drive tractor ground well, and large-scale four wheel drive is drawn the problem of easily sinking in muddy field.

Claims

1, crack, highland four-wheel drive tractor comprises driving engine, power-transfer clutch, change speed gear box, crossbeam, front driving axle, rear driving axle, road wheel and part-time case, it is characterized in that also comprising the side transmission device; Rear driving axle adopts the front driving axle structure; Described driving engine, power-transfer clutch, change speed gear box and part-time case are installed in the crossbeam upside, propons, back axle is installed in the preceding downside and the back downside of crossbeam respectively, the takeoff output flywheel frictional connection of power-transfer clutch one end and driving engine, the other end is connected with the change speed gear box input shaft, output shaft of gear-box connects the part-time case input shaft, universal-joint is passed through at part-time case output shaft two ends respectively, be connected with the input shaft of front driving axle and rear driving axle, the output shaft of propons and back axle is connected with the power intake of respective side transmission device respectively, and the clutch end of described side transmission device is connected with road wheel.

2, crack, highland according to claim 1 four-wheel drive tractor, it is characterized in that described part-time case is made up of transmission and transfer casing that N gear forms, described gear places in the described casing side by side by gear wheel shaft separately, wherein, first gear wheel shaft is connected with described output shaft of gear-box; The two ends of N gear wheel shaft are connected with rear driving axle with front driving axle by universal-joint respectively.

3, crack, highland according to claim 1 four-wheel drive tractor is characterized in that described side transmission device comprises preceding right edge transmission device, limit, preceding left side transmission device, back right edge transmission device and limit, left side, back transmission device; Each side transmission device all is made up of with the universal-joint that is connected above-mentioned two bevel gear transmissions, transmission shaft side box body, last bevel gear transmission, subumbrella gear driving pair, four casings are separately fixed at front driving axle, rear driving axle both sides, described upper and lower bevel gear transmission places in this casing, last bevel gear transmission is meshing with each other by horizontal first bevel gear of pivot center and perpendicular second bevel gear of putting of pivot center and forms, and described lower gear transmission erects the 4th bevel gear of putting by horizontal the 3rd bevel gear of pivot center and pivot center and is meshing with each other and forms; Four described first bevel gears are connected with the output shaft of propons, back axle respectively, and described the second, the 4th bevel gear is connected with the upper and lower axle head of described transmission shaft respectively, and described the 3rd bevel gear is connected with road wheel by semiaxis.