CN2523662Y - Farming three wheel truck with connecting rod steering mechanism and upper damper - Google Patents

Abstract

The utility model provides an agricultural tricycle with a connecting rod steering mechanism and an upper arranged vibration reduction device. The utility model relates to an improvement to the agricultural tricycle. Furthermore, the utility model comprises a connecting rod steering mechanism (9), an upper arranged vibration reduction device (10) and a gearbox (11); the connecting rod steering mechanism (9) is arranged between the lower end of a front fork (2) and the lower end of a chassis (8); the upper arranged vibration reduction device (10) is arranged between the upper end of the front fork (2) and a vertical plate (6-1) on a frame (6). The utility model has reasonably designed structure, is easy to be processed and made and has low making cost by reconstruction on the original vehicle. The upper arranged vibration reduction device not only has good vibration reduction performance, but also can relieve the acted force on the front fork, increases the safety and protection performance of the front fork, and prolongs the service life of the front fork. The rear move of the engine and the improvement of the gearbox relieve the bearing force of the front part and the vibration of the front part, increases the friction between the rear wheel and the ground, makes the vehicle not skid; furthermore, the connecting rod steering mechanism makes the steering of the vehicle body more flexible.

Description

Have connecting rod steering mechanism and reach the agricultural tricycle of putting shock absorption device

Technical field: the utility model relates to the improvement of agricultural tricycle.

Background technology: the shock absorption device of agricultural tricycle all is arranged on the front fork of front-wheel both sides mostly at present, and steering hardware then is arranged on the top of front fork, and its structure is similar with damping to turning to of motor bike.The agricultural tricycle of this kind structure finds that in use damping performance is poor, is easy to generate crooked after front fork is stressed and the last root phenomenon that fractures, because of the increase of the wearing and tearing of the bumper on front fork post gap, cause turn to dumb.Because driving engine and change speed gear box are too forward on structure Design, promptly the imput shaft of change speed gear box is positioned at the left end of rear axle again.Make that anterior pressure is excessive, vibrations aggravation and trailing wheel friction are little, occur the empty wagons skidding easily.

Summary of the invention: the utility model be development a kind of have connecting rod steering mechanism and on put the agricultural tricycle of shock absorption device.The performance that it is had turn to flexibly, damping performance is good, is difficult for skidding.The utility model comprises driving engine 1, front fork 2, front-wheel 3, trailing wheel 4, rear axle 5, vehicle frame 6, bearing circle 7, chassis 8, front axle 12, it also comprise connecting rod steering mechanism 9, on put shock absorption device 10, change speed gear box 11, connecting rod steering mechanism 9 is arranged between the lower end on the lower end of front fork 2 and chassis 8, on put shock absorption device 10 and be arranged between the upper end and the riser 6-1 on the vehicle frame 6 of front fork 2.Connecting rod steering mechanism 9 is made up of connecting rod 9-1, connector 9-2, rotor plate 9-3, axle 9-4, crank 9-5, rocking bar 9-6; The center, lower end on the middle part of rotor plate 9-3 and chassis 8 is hinged by axle 9-4, and the left end of connecting rod 9-1 is hinged with the connector 9-2 that is fixed on the front fork 2, and the right-hand member of connecting rod 9-1 and rotor plate 9-3 are hinged.The end of rocking bar 9-6 is connected with rotor plate 9-3, and the other end of rocking bar 9-6 is connected with crank 9-5, and crank 9-5 is captiveed joint with the lower end of the rotating shaft 7-1 of bearing circle 7.On put shock absorption device 10 and form by crossbeam 10-1, bumper 10-2, spring 10-3, star coupling 10-4, overhead gage 10-5, lower baffle plate 10-6, fixed body 10-7; The right-hand member of overhead gage 10-5 is fixed on the upper end of riser 6-1, lower baffle plate 10-6 is captiveed joint with crossbeam 10-1, the right-hand member of crossbeam 10-1 is hinged on the middle part of riser 6-1 by axle 10-8, the left end of crossbeam 10-1 is connected by universal coupling 10-4 with fixed body 10-7, and fixed body 10-7 is fixed on the upper end of two front forks 2.The upper end of bumper 10-2 is fixed on the overhead gage 10-5, and the lower end of bumper 10-2 is arranged in the hole 13 on the lower baffle plate 10-6, and spring 10-3 is arranged between overhead gage 10-5 and the lower baffle plate 10-6.The utility model reasonable in design is easy to processing and manufacturing and transforms low cost of manufacture on former car.On put shock absorption device not only damping performance be good, and can alleviate the stressed of front fork, increased the safety guard-safeguard performance of front fork, prolonged the service life of front fork.Move behind the driving engine and the improvement of change speed gear box has alleviated anterior bearing capacity and anterior vibrations, increased the friction between trailing wheel and ground, make car non-slip, connecting rod steering mechanism then makes turning to of car body more flexible.

Description of drawings: Fig. 1 is a front view of the present utility model, and Fig. 2 is a upward view of the present utility model, and Fig. 3 is the A-A cutaway view of Fig. 1.

The specific embodiment one: present embodiment by driving engine 1, front fork 2, front-wheel 3, trailing wheel 4, rear axle 5, vehicle frame 6, bearing circle 7, chassis 8, front axle 12, connecting rod steering mechanism 9, on put shock absorption device 10, change speed gear box 11 is formed.Connecting rod steering mechanism 9 is arranged between the lower end on the lower end of front fork 2 and chassis 8, on put shock absorption device 10 and be arranged between the upper end and the riser 6-1 on the vehicle frame 6 of front fork 2.Connecting rod steering mechanism 9 is made up of connecting rod 9-1, connector 9-2, rotor plate 9-3, axle 9-4, crank 9-5, rocking bar 9-6; The center, lower end on the middle part of rotor plate 9-3 and chassis 8 is hinged by axle 9-4, and the left end of connecting rod 9-1 is hinged with the connector 9-2 that is fixed on the front fork 2, and the right-hand member of connecting rod 9-1 and rotor plate 9-3 are hinged.The end of rocking bar 9-6 is connected with rotor plate 9-3, and the other end of rocking bar 9-6 is connected with crank 9-5, and crank 9-5 is captiveed joint with the lower end of the rotating shaft 7-1 of bearing circle 7.On put shock absorption device 10 and form by crossbeam 10-1, bumper 10-2, spring 10-3, star coupling 10-4, overhead gage 10-5, lower baffle plate 10-6, fixed body 10-7; The right-hand member of overhead gage 10-5 is fixed on the upper end of riser 6-1, lower baffle plate 10-6 is captiveed joint with crossbeam 10-1, the right-hand member of crossbeam 10-1 is hinged on the middle part of riser 6-1 by axle 10-8, the left end of crossbeam 10-1 is connected by universal coupling 10-4 with fixed body 10-7, fixed body 10-7 is fixed on the upper end of two front forks 2, the upper end of bumper 10-2 is fixed on the overhead gage 10-5, the lower end of bumper 10-2 is arranged in the hole 13 on the lower baffle plate 10-6, and spring 10-3 is arranged between overhead gage 10-5 and the lower baffle plate 10-6.The imput shaft 11-1 of change speed gear box 11 is arranged on the right-hand member of rear axle 5, the change speed gear box 11 corresponding left ends after driving engine 1 is arranged on and improves.Move behind driving engine 1 and the change speed gear box 11 and alleviated front-wheel pressure and anterior vibrations, can also prevent the empty wagons skidding.

The specific embodiment two: what present embodiment and the specific embodiment one were different is also to be provided with adapter sleeve 12-1 on front axle 12, adapter sleeve 12-1 is enclosed within on the front axle 12, and be between front-wheel 3 and the front fork 2, the flat handle of adapter sleeve 12-1 upper end is captiveed joint with front fork 2.Adapter sleeve 12-1 can prevent to deviate from phenomenon because of vibration causes the loosening front fork that takes place of nut.Other composition is identical with the specific embodiment one with annexation.

Claims (5)

1, has connecting rod steering mechanism and reach the agricultural tricycle of putting shock absorption device, it comprises driving engine (1), front fork (2), front-wheel (3), trailing wheel (4), rear axle (5), vehicle frame (6), bearing circle (7), chassis (8), front axle (12), it is characterized in that it also comprise connecting rod steering mechanism (9), on put shock absorption device (10), change speed gear box (11), connecting rod steering mechanism (9) is arranged between the lower end of the lower end of front fork (2) and chassis (8), on put shock absorption device (10) and be arranged between the upper end and the riser (6-1) on the vehicle frame (6) of front fork (2).

2, according to claim 1 have connecting rod steering mechanism and on put the agricultural tricycle of shock absorption device, it is characterized in that connecting rod steering mechanism (9) is made up of connecting rod (9-1), connector (9-2), rotor plate (9-3), axle (9-4), crank (9-5), rocking bar (9-6); The center, lower end of the middle part of rotor plate (9-3) and chassis (8) is hinged by axle (9-4), the left end of connecting rod (9-1) is hinged with the connector (9-2) that is fixed on the front fork (2), the right-hand member of connecting rod (9-1) and rotor plate (9-3) are hinged, one end of rocking bar (9-6) is connected with rotor plate (9-3), the other end of rocking bar (9-6) is connected with crank (9-5), and crank (9-5) is captiveed joint with the lower end of the rotating shaft (7-1) of bearing circle (7).

3, according to claim 1 have connecting rod steering mechanism and on put the agricultural tricycle of shock absorption device, it is characterized in that putting shock absorption device (10) and form by crossbeam (10-1), bumper (10-2), spring (10-3), star coupling (10-4), overhead gage (10-5), lower baffle plate (10-6), fixed body (10-7); The right-hand member of overhead gage (10-5) is fixed on the upper end of riser (6-1), lower baffle plate (10-6) is captiveed joint with crossbeam (10-1), the right-hand member of crossbeam (10-1) is hinged on the middle part of riser (6-1) by axle (10-8), the left end of crossbeam (10-1) is connected by universal coupling (10-4) with fixed body (10-7), fixed body (10-7) is fixed on the upper end of two front forks (2), the upper end of bumper (10-2) is fixed on the overhead gage (10-5), the lower end of bumper (10-2) is arranged in the hole (13) on the lower baffle plate (10-6), and spring (10-3) is arranged between overhead gage (10-5) and the lower baffle plate (10-6).

4, according to claim 1 have connecting rod steering mechanism and on put the agricultural tricycle of shock absorption device, it is characterized in that the imput shaft (11-1) of change speed gear box (11) is arranged on the right-hand member of rear axle (5), the corresponding left end of the change speed gear box (11) after driving engine (1) is arranged on and improves.

5, according to claim 1 have connecting rod steering mechanism and on put the agricultural tricycle of shock absorption device, it is characterized in that on front axle (12), also being provided with adapter sleeve (12-1), adapter sleeve (12-1) is enclosed within on the front axle (12), and be between front-wheel (3) and the front fork (2), the flat handle of adapter sleeve (12-1) upper end is captiveed joint with front fork (2).

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