CN203246530U

CN203246530U - Front single wheel steering three-wheel farm tractor

Info

Publication number: CN203246530U
Application number: CN 201320307196
Authority: CN
Inventors: 赵子国
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-05-31
Filing date: 2013-05-31
Publication date: 2013-10-23
Anticipated expiration: 2023-05-31

Abstract

The utility model provides a front single wheel steering three-wheel farm tractor. A steering wheel, a suspension bracket, a traction frame, rear driving wheels and a front steering wheel are installed on a machine body. The front steering wheel is installed on a steering device through a front steering wheel vertical shaft, one side of the steering device is provided with a pull rod shaft and connected with a steering device pull rod, the steering device pull rod is connected with a pulling plate shaft of a steering device shaft worm, and the steering device shaft worm is connected with a steering wheel rotating shaft. The front steering wheel vertical shaft is fixedly provided with a differential cam plate, push-and-pull plates are arranged on the two sides of the differential cam plate respectively, push-and-pull plate shafts are installed on the push-and-pull plates, outer sides of the push-and-pull plates are connected with a differential pull rod and a differential installed in a rear axle through rotating shafts, and the two ends of the rear axle are provided with the rear driving wheels. The front single wheel steering three-wheel farm tractor has the advantages of being light, safe, high in practicability, small in turning radius, and wide in application range, and is suitable for being used as a farm-oriented tractor for farming and carrying.

Description

Front single-wheel turns to the three-wheel farm tractor

Technical field

The utility model proposes the front single-wheel that agricultural mechanical field is used for agricultural tillage or transportation and turn to the three-wheel farm tractor.

Background technology

Have four-wheeled tractor or the hand steered rear steering that are used at present agricultural tillage are taken turns trac..Wherein, the suitable land for growing field crops operation of four-wheeled tractor or transportation, but when the farming of field, turn radius is large, and the edge of a field is not easy farming, and easily ruins seedling, be not suitable for the farming of fritter arable land and use, and cost is high.And use in the rear steering three-wheel hand tractor field that can suit, but need with pedal rear steering wheel, and realize that by manual clutch or braking turning to of drive wheel is differential, use inconvenience, also exist turn radius large, turn to the large shortcoming of control difficulty, and it is unstable to travel, the shortcoming of poor stability.

Summary of the invention

The shortcoming that exists in order to overcome existing four-wheeled tractor and walker tractor, the utility model provides front single-wheel to turn to the three-wheel farm tractor.This trac. carries out the function combination on the basis of four-wheeled tractor and walker tractor, make the three-wheel farm tractor.Solve the technical matters that light, the safe, practical property of trac. is strong, turn radius is little and widely applicable.

The utility model solves the scheme that its technical matters takes:

At body bearing circle, hanger bracket, drawbar frame, rear drive sprocket and steering front wheel are housed;

Steering front wheel is installed in the deflector by the steering front wheel vertical pivot, in deflector one side pull rod shaft is housed, be connected with the deflector pull bar on the pull rod shaft, the deflector pull bar other end is connected with arm-tie axle on being contained in the deflector arm-tie, the deflector arm-tie is installed on the steering column shaft worm screw, and the steering column shaft worm screw is connected with the rotating of steering wheel axle;

Be installed with the diff lobe plate at the steering front wheel vertical pivot, both sides at the diff lobe plate are respectively arranged with draw back plate, between draw back plate and frame upper surface, the draw back plate axle is installed, be connected by the diff that fills in rotating shaft and diff pull bar and the back axle in the draw back plate outside, be separately installed with rear drive sprocket at the two ends of back axle.

Good effect: the utility model has realized that front single-wheel turns to the technological improvement with the rear drive sprocket differential, and the trac. of making has advantages of that light, safe, practical property is strong, turn radius is little and be widely applicable.Suitable trac. as agricultural tilling and transportation is used.

Description of drawings

Fig. 1 is the utility model structural representation

Fig. 2 is the utility model steering hardware schematic diagram

Fig. 3 is the utility model rear drive sprocket box of tricks schematic diagram

Among the figure, 1. body, 2. bearing circle, 2.1. rotating of steering wheel axle, 2.2. steering shaft worm, 3. hanger bracket, 4. drawbar frame, 5. rear drive sprocket, 6. steering front wheel, 6.1. steering front wheel vertical pivot, 7. deflector, 7.1. pull rod shaft, 8. deflector pull bar, 9. deflector arm-tie, 9.1. the arm-tie axle, 10. diff lobe plate, 11. diff pull bars, 11.1. draw back plate, 11.2. draw back plate axle, 12. back axles.

The specific embodiment

According to the figure, at body 1 bearing circle 2, hanger bracket 3, drawbar frame 4, rear drive sprocket 5 and steering front wheel 6 are housed;

Steering front wheel is installed in the deflector 7 by steering front wheel vertical pivot 6.1, in deflector one side pull rod shaft 7.1 is housed, be connected with deflector pull bar 8 on the pull rod shaft, the deflector pull bar other end is connected with arm-tie axle 9.1 on being contained in deflector arm-tie 9, the deflector arm-tie is installed on the steering column shaft worm screw 2.2, and the steering column shaft worm screw is connected with rotating of steering wheel axle 2.1;

Be installed with diff lobe plate 10 at the steering front wheel vertical pivot, be respectively arranged with draw back plate 11.1 in the both sides of diff lobe plate, between draw back plate and frame upper surface, draw back plate axle 11.2 is installed, be connected with the back axle 12 interior difies that fill with the diff pull bar by rotating shaft in the draw back plate outside, be separately installed with rear drive sprocket at the two ends of back axle.

Use procedure of the present utility model:

Turn to: when trac. is walked, pull bearing circle and turn to, when turning to, bearing circle drives the deflector arm-tie and carries out the arc swing, and by deflector pull bar push-and-pull deflector swing, the displacement by deflector drives steering front wheel and turns to;

When the displacement of deflector pull bar, the wheel flutter vertical pivot that is installed in the deflector rotates thereupon, driving the diff lobe plate rotates, interact by lobe plate and draw back plate, carry out single-wheel clutch or single-wheel braking by diff pull bar and the diff that is arranged in the back axle respectively, realize turning to of trac..

Characteristics of the present utility model:

1, the utility model is changed into three-wheel tractor with four-wheeled tractor, makes hand steered rear steering trac. change into front single-wheel and turns to trac., compares with four-wheeled tractor, has reduced by a steering front wheel, has reduced manufacturing cost, and turns to flexibly, and turn radius is little.Compare with the rear steering walker tractor, changed the drawback that hand is pinched diff and pedal wheel flutter, improved stability, operability and safety, also reduced turn radius simultaneously, and can realize the 360 ° of turnings in original place, improved the sensitieness of farm work.

2, the utility model uses wheel steering, and operation is convenient, standard, and applicability is strong, and is easy to operate, adapts to operating habit, improved operability.

3, the utility model rear portion is identical with traditional four-wheeled tractor, can realize suspension and the tractive of farm implements, so can adapt to the needs of field farming, sow, apply fertilizer, spray insecticide and gather in, also can use as trailer-type machine simultaneously, be used for loading, can also use as power machine, be used for drawing water the processing of far products and grain, feed.Realize a tractor serves several purposes.

Claims

1. front single-wheel turns to the three-wheel farm tractor, at body (1) bearing circle (2), hanger bracket (3), drawbar frame (4), rear drive sprocket (5) and steering front wheel (6) is housed;

It is characterized in that:

Steering front wheel is installed in the deflector (7) by steering front wheel vertical pivot (6.1), in deflector one side pull rod shaft (7.1) is housed, be connected with deflector pull bar (8) on the pull rod shaft, the deflector pull bar other end is connected with arm-tie axle (9.1) on being contained in deflector arm-tie (9), the deflector arm-tie is installed on the steering column shaft worm screw (2.2), and the steering column shaft worm screw is connected with rotating of steering wheel axle (2.1);

Be installed with diff lobe plate (10) at the steering front wheel vertical pivot, be respectively arranged with draw back plate (11.1) in the both sides of diff lobe plate, draw back plate axle (11.2) is installed between draw back plate and frame upper surface, be connected by the diff that fills in rotating shaft and diff pull bar and the back axle (12) in the draw back plate outside, be separately installed with rear drive sprocket at the two ends of back axle.