CN201161537Y

CN201161537Y - Automatic balancing tractor

Info

Publication number: CN201161537Y
Application number: CNU2007201869221U
Authority: CN
Inventors: 柴埃仓; 柴俊兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-12-25
Filing date: 2007-12-25
Publication date: 2008-12-10
Anticipated expiration: 2017-12-25

Abstract

The utility model relates to an automatic balancing tractor, belonging to the field of farm implements. The automatic balancing tractor is characterized in that inner haft shaft tubes arranged at left and right ends of a main reducer housing of a balance drive axle are respectively and sequentially connected with a spherical bearing seat, a steering knuckle housing, a brake disc and a steering knuckle journal, the steering knuckle journal is connected with a driving wheel, the rear end of a central driving shaft tube arranged on a gearbox is nested with the main reducer housing, a bevel gear on a countershaft of the driving mechanism gearbox is meshed with a bevel gear of a central driving shaft, the other end of the central driving shaft is connected with the main reducer, a high-low balancing device is mounted on the gearbox, an adjusting switch is connected with a suspended hammer, and an electric motor is respectively meshed with 60 degrees gear rings arranged at connections of the main reducer housing respectively with a transmission gear, a worm, a worm gear, a pinion gear and the gearbox. The automatic balancing tractor keeps balance of the tractor body without easily tilting, thereby having the advantages of safe operation for drivers, simple operation, reliable performance, low cost, large carrying capacity, great traction force and wide usage range.

Description

Self-balancing tractor

One, technical field:

The utility model relates to a kind of self-balancing tractor, belongs to the agricultural machinery and implement field.

Two, background technology:

Present trac. generally has two-wheel, four-wheel, whatsoever its left and right sidesing driving wheel of trac. is fixed on the same axis, can not be along with the region slope change of travelling, can not adjust left and right sidesing driving wheel, fuselage is prone to the tipping phenomenon when the bigger region cross running of the gradient, only suit on the level land or the operation of gradient small region.And existing hillside tractor is to adopt rocker-arm adjustment height margin, and no bridge does not have load carrying ability, a little less than the chain drive tractive force, can only be used for the farmland and cultivate, and harvesting can not the roping goods and materials.

Three, summary of the invention:

The purpose of this utility model be to provide a kind of can be on the hills, region, mountain area and level land travel, and available farmland is cultivated, harvesting, roping, along with the region slope change, can adjust trac. left and right sidesing driving wheel height margin by automatic or manual, make its fuselage, driver's operation keeps balance, load carrying ability is big, the self-balancing tractor that tractive force is strong.

Technical solution: the utility model comprises: driving engine, change speed gear box, drive wheel, front-wheel steering assembly seat is connected with engine frame, engine frame is connected with change speed gear box, a left side, right steering joint assembly steering direction is the balance drive axle for 90 ℃ with respect to the final drive casing rotation, the balance drive axle comprises: final drive casing, the inner shaft pipe, the spherical bearing seat, the steering swivel shell, the steering swivel axle journal, wheel hub is formed, on the inner shaft pipe at two ends, the final drive casing left and right sides respectively successively with the spherical bearing seat, the steering swivel shell, brake disc, the steering swivel axle journal connects, the steering swivel axle journal is connected with wheel hub by bearing, wheel hub is connected with drive wheel, the steering swivel shell is connected with track arm, track arm is connected with balancing pull rod one end, the balancing pull rod other end is connected with the change speed gear box pin, main gear central siphon rear end on the change speed gear box is nested with final drive casing, and final drive casing is connected with change speed gear box by trim ring; Transmission device by: change speed gear box, cone gear, central driving shaft, main reduction gear, diff are formed, on the countershaft of change speed gear box cone gear is housed, the cone gear of cone gear and central driving shaft one end is meshing with each other, the central driving shaft other end is connected with main reduction gear, main reduction gear is connected with diff, and the diff two ends are connected with inner shaft, universal-joint, outer semiaxis and drive wheel respectively successively; The difference of height equalizing gear is housed on the change speed gear box, the difference of height equalizing gear is made up of the 60 ℃ of gear rings (32) on by-pass cock, sash weight, electrical motor, variable gear, worm screw, worm gear, miniature gears, the bevel housing, by-pass cock is arranged on the driving engine rear portion, by-pass cock is connected with sash weight, electrical motor is connected with variable gear, variable gear is connected with worm screw, worm gear, worm gear is connected with miniature gears on the gear-box case, change speed gear box and bevel housing junction are provided with 60 ℃ of gear rings, miniature gears and 60 ℃ of gear ring engagements.

Between bevel housing and the change speed gear box hydraulic ram is housed, the hydraulic ram upper/lower terminal is equipped with the hydraulic pressure torque arm, and hydraulic pressure torque arm upper/lower terminal is fixed with bevel housing and change speed gear box respectively.

Bar handle is connected with change speed gear box, and the main reduction gear two ends are connected with dental clutch respectively, and dental clutch is connected with inner shaft.

The utility model since fuselage and drive axle have and be connected nothing and fix, make fuselage can keep the balance and stability state always, balance drive axle and drive wheel have arthrogenous driving, so can swing up and down about the balance drive axle, the difference of height equalizing gear is set on the fuselage, work as vehicle ', when operation or region slope change, can be manually or automatic compensation balance drive axle and left and right sidesing driving wheel, interactive displacement up and down produces certain height margin, make trac. fuselage driver's operation can keep the balance and stability state forever, be not prone to the tipping phenomenon, the driver safety operation, simple to operate, dependable performance, cost is low, and load carrying ability is big, tractive force is strong, and range of use is wide.

Four, description of drawings:

Fig. 1 is this structural representation

Fig. 2 is Fig. 1 birds-eye view

Fig. 3 is the utility model balance drive axle structural representation;

Fig. 4 is the utility model transmission device structural representation;

Fig. 5 is the utility model difference of height equalizing gear structural representation;

Fig. 6 is the utility model by-pass cock structural representation.

Five, the specific embodiment:

The utility model comprises: driving engine 11, change speed gear box 4, drive wheel 1, front-wheel steering assembly seat 12 is connected with driving engine 11 frames, driving engine 11 frames and change speed gear box 4 are fixing, a left side, right steering joint assembly steering direction is the balance drive axle for 90 ℃ with respect to final drive casing 13 rotations, the balance drive axle comprises: final drive casing 13, inner shaft pipe 25, spherical bearing seat 26, steering swivel shell 2, steering swivel axle journal 27, left and right sides wheel hub 28 is formed, the inner shaft pipe 25 at two ends, final drive casing 13 left and right sides respectively successively with spherical bearing seat 26, steering swivel shell 2 connects, steering swivel shell 2 connects as one with steering swivel axle journal 27, brake disc is captiveed joint with steering swivel shell 2, steering swivel axle journal 27 is connected with wheel hub 28 by bearing, wheel hub 28 is captiveed joint with drive wheel 1, steering swivel shell 2 is captiveed joint with track arm 8, track arm 8 is connected with balancing pull rod 9 one ends, balancing pull rod 9 other ends are connected with change speed gear box pin 10, main gear central siphon 29 rear ends on the change speed gear box 4 are nested with final drive casing 13, and final drive casing 13 is connected with change speed gear box 4 by trim ring 14; Transmission device by: change speed gear box 4, cone gear 15, central driving shaft 5, main reduction gear 16, diff 17 are formed, on the countershaft 19 of change speed gear box 4 cone gear 15 is housed, cone gear 15 is meshing with each other with the cone gear 18 of central driving shaft 5 one ends, the central driving shaft other end is connected with main reduction gear, main reduction gear 16 is fixing with diff 17, and diff 17 two ends are connected with inner shaft 3, universal-joint 6, outer semiaxis 7 and drive wheel 1 respectively successively; The difference of height equalizing gear is housed on the change speed gear box 4, the difference of height equalizing gear is by by-pass cock 30, sash weight 31, electrical motor 24, transfer motion speed changing gear 23, worm screw 22, worm gear 21, miniature gears 20,60 ℃ of gear rings 32 on the bevel housing 13 are formed, by-pass cock 30 is arranged on driving engine 11 rear portions, by-pass cock 30 is connected with sash weight 31, electrical motor 24 is connected with transfer motion speed changing gear 23, transfer motion speed changing gear 23 and worm screw 22, worm gear 21 connects, worm gear 21 is connected with miniature gears 20 on change speed gear box 4 shells, 60 ℃ of gear rings 32 on change speed gear box 4 and the bevel housing 13, miniature gears and 60 ℃ of gear rings engagements.

Embodiment 1

The utility model front-wheel steering assembly seat 12 is fixed on the frame of driving engine 11, the frame of driving engine 11 is fixed on the change speed gear box 4, final drive casing 13 is connected with change speed gear box 4 by trim ring 14 usefulness bolts, final drive casing 13 is one by inner shaft pipe 25 with spherical bearing seat 26, spherical bearing seat 26 logical stub perforation in the left and right sides are connected with left and right sides steering swivel shell 2, left and right sides steering swivel shell 2 is an one with left and right sides steering swivel axle journal 27, left and right sides brake disc and left and right sides steering swivel shell 2 are fixing, left and right sides steering swivel axle journal 27 connects left and right sides wheel hub 28 by bearing, left and right sides wheel hub 28 is fixing with left and right sidesing driving wheel 1, left and right sides steering swivel shell 2 is fixing with arm for steering knuckle of right hand and left hand 8, arm for steering knuckle of right hand and left hand 8 is connected with left and right sides balancing pull rod 9 one ends, balancing pull rod 9 other ends in the left and right sides are connected with change speed gear box pin 10, main gear central siphon 29 rear ends on the change speed gear box 4 are nested with final drive casing 13, central driving shaft 5 is a center-point, the balance drive axle is moved up and down, change speed gear box pin 10 drives left and right sidesing driving wheel 1 by left and right sides balancing pull rod 9, and left and right sidesing driving wheel 1 is uprightly travelled; The utility model driving engine 11 mouths are connected with power-transfer clutch by belt, power-transfer clutch is connected with speed-changing mechanism, cone gear 15 on the speed-changing

mechanism countershaft

19 and 18 engagements of the cone gear on the central driving shaft 5, output central driving shaft 5 drives main reduction gear 16, main reduction gear 16 is by diff 17 transmission left and right sides inner shafts 3, left and right sides inner shaft 3 is by outer semiaxis 7 about universal-joint 6 transmissions, about outer semiaxis 7 lead to wheel hubs 28 drive left and right sidesing driving wheels 1 and travel.Driving engine 4 rear portions are provided with by-pass cock 30, by-pass cock 30 is connected with sash weight 31, when driving engine 4 balances, sash weight 31 is perpendicular to ground, by-pass cock 30 is closed, when trac. travels the region when gradient is arranged, fuselage tilts, by-pass cock 30 tilts with fuselage, and sash weight 31 is perpendicular to ground, and by-pass cock 30 is opened with sash weight 31 turns, this moment electrical motor 24 transmission difference of height equalizing gears, difference of height equalizing gear transmission balance drive axle drives left and right sidesing driving wheel 1 and moves up and down to by-pass cock 30 balances, and by-pass cock 30 is closed, and the difference of height equalizing gear stops transmission, fuselage still keeps balance, this moment, change speed gear box 4 also was a state of equilibrium, and change speed gear box 4 drives and turns to drive wheel 1 vertical travel by transmission balancing pull rod 9.

Embodiment 2

The utility model is adopted when hydrostatic drive, between bevel housing 13 and the change speed gear box 4 hydraulic ram is housed, the hydraulic ram upper/lower terminal is equipped with the hydraulic pressure torque arm, hydraulic pressure torque arm upper/lower terminal is fixing with change speed gear box 4 with bevel housing 13 respectively, Hydraulic Pump output is through the hydraulic valve handle, the hydraulic valve handle starts, and makes the hydraulic ram reduction, and it is upper and lower mobile that bevel housing 13 drives drive wheel through the balance drive axle.

Embodiment 3

When the utility model is used for walker tractor, remove front-wheel steering assembly seat 12, only need bar handle is captiveed joint with change speed gear box 4, main reduction gear 16 two ends are connected with dental clutch respectively, and dental clutch is connected with left and right sides inner shaft 3.About turn to by fork and stir power-transfer clutch, disengaging of clutch, about turn to and drive drive wheel 1 and travel.

Claims

1, self-balancing tractor, comprise: driving engine (11), change speed gear box (4), drive wheel (1), front-wheel steering assembly seat (12) is connected with driving engine (11) frame, driving engine (11) frame is connected with change speed gear box (4), it is characterized in that, a left side, right steering joint assembly steering direction is the balance drive axle for 90 ℃ with respect to final drive casing (13) rotation, the balance drive axle comprises: final drive casing (13), inner shaft pipe (25), spherical bearing seat (26), steering swivel shell (2), steering swivel axle journal (27), wheel hub (28) is formed, the inner shaft pipe (25) at final drive casing (13) two ends, the left and right sides is gone up respectively successively and spherical bearing seat (26), steering swivel shell (2), brake disc, steering swivel axle journal (27) connects, steering swivel axle journal (27) is connected with wheel hub (28) by bearing, wheel hub (28) is connected with drive wheel (1), steering swivel shell (2) is connected with track arm (8), track arm (8) is connected with balancing pull rod (9) one ends, balancing pull rod (9) other end is connected with change speed gear box pin (10), main gear central siphon (29) rear end on the change speed gear box (4) is nested with final drive casing (13), and final drive casing (13) is connected with change speed gear box (4) by trim ring (14); Transmission device by: change speed gear box (4), cone gear (15), central driving shaft (5), main reduction gear (16), diff (17) are formed, on the countershaft (19) of change speed gear box (4) cone gear (15) is housed, cone gear (15) is meshing with each other with the cone gear (18) of central driving shaft (5) one ends, the central driving shaft other end is connected with main reduction gear, main reduction gear (16) is connected with diff (17), and diff (17) two ends are connected with inner shaft (3), universal-joint (6), outer semiaxis (7) and drive wheel (1) respectively successively; Change speed gear box is equipped with the difference of height equalizing gear on (4), the difference of height equalizing gear is by by-pass cock (30), sash weight (31), electrical motor (24), variable gear (23), worm screw (22), worm gear (21), miniature gears (20), 60 ℃ of gear rings (32) on the bevel housing (13) are formed, by-pass cock (30) is arranged on driving engine (11) rear portion, by-pass cock (30) is connected with sash weight (31), electrical motor (24) is connected with variable gear (23), variable gear (23) and worm screw (22), worm gear (21) connects, worm gear (21) is connected with miniature gears (20) on change speed gear box (4) shell, 60 ℃ of gear rings (32) that change speed gear box (4) and bevel housing (13) junction are provided with, miniature gears (20) and 60 ℃ of gear rings (32) engagement.

2, according to the described self-balancing tractor of claim 1, it is characterized in that, between bevel housing (13) and the change speed gear box (4) hydraulic ram is housed, the hydraulic ram upper/lower terminal is equipped with the hydraulic pressure torque arm, and hydraulic pressure torque arm upper/lower terminal is fixed with bevel housing and change speed gear box respectively.

According to the described self-balancing tractor of claim 1, it is characterized in that 3, bar handle is connected with change speed gear box (4), main reduction gear (16) two ends are connected with dental clutch respectively, and dental clutch is connected with inner shaft (3).