CN202242989U

CN202242989U - Tractor

Info

Publication number: CN202242989U
Application number: CN201120365079XU
Authority: CN
Inventors: 陈日飞; 唐平生
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-09-28
Filing date: 2011-09-28
Publication date: 2012-05-30
Anticipated expiration: 2021-09-28

Abstract

The utility model discloses a tractor, which comprises an engine, a clutch assembly, an output shaft, a chassis, a carriage and a transmission shaft, wherein the engine and the clutch assembly are in pulley drive, and the carriage is fixed on the chassis. The tractor is characterized in that the tractor also comprises a clutch separating box which is provided with a force taking port and adopts a long distance transmission mechanism, a transmission case which independently controls the speed, adopts direct gear engagement and is arranged inside a steering room, and a transfer case capable of controlling the drive of front wheels and rear wheels, the engine is longitudinally installed in front of an operating site, the clutch separating box is connected with the clutch assembly, and a power clutch assembly is outputted to the transfer case and an output shaft from the clutch separating box through the transmission case. The tractor has a simple structure and wide applicability, and is energy-saving and environment-friendly.

Description

Trac.

Technical field

The utility model relates to a kind of field machine, the trac. of the single change speed gear box control speed of the vertical preposition installation of particularly a kind of driving engine.

Technical background

Walker tractor occupies critical role in China agricultural machinery market; Especially workers and peasants---the appearance that 12 types are hand steered; And gone through updating in decades, and trac. has more and more obtained liking of peasants with its preceence, and trac. is used for the farmland operation during except the busy farming season; All the other mosts of the time are used for short-distance transport; Be one of the main transportation means in current rural area, especially in the mountain area or intersected country generally adopt by the transport plane of walker tractor repacking or by four-wheeled tractor and drive the transportation mode of railway carriage, therefore obtained users' welcome.

But, find that after inventor's market study also there are some defectives in the trac. that uses on the market at present, their drawback is: inconvenient operation, hill climbing ability are low; Car load is long, and fuselage is heavier, and gravidity is high, and wheelspan is wide; Turn radius is big, complex structure, and safety performance is relatively poor, and energy consumption is bigger, and major cause is that driving engine is horizontal installation; Widened wheelspan, also increased chassis height, so structure is very complicated, range of use and intensity are just smaller comparatively speaking; Poor-performing, control system is complicated and unreliable, and cost is high, especially mountain region or high-land; Ground relief, trac. will produce because of beating and rock, lack of equilibrium, even can cause turning excessively to cause roll-over accident; In addition, because the hydraulic pressure power taking is installed on the change speed gear box, on the basis of certain terrain clearance, broken through not the technical bottleneck that reduces the chassis.

Summary of the invention

The purpose of the utility model is in order to overcome disadvantages of background technology, and simple in structure, load-carrying ability is strong, and the driving engine of long service life is vertically installed the novel trac. of single change speed gear box control speed, drives trac. by the single change speed gear box control single forerunner of speed or single rear-guard or front and back.

The technical scheme of the utility model is achieved in that the propons and/or the back axle of damping and brake,

This trac. comprises driving engine, clutch assembly, output shaft, chassis, railway carriage and transmission shaft; Pass through pulley drive between driving engine and the clutch assembly; Body-hold is on the chassis; Be characterized in: it also comprise employing length that the power taking port is installed apart from the clutch separator box of transmission device, single independent control speed directly engage a gear mid-in operator's compartment change speed gear box and can control the auxiliary gear box that front and back wheel drives; Before described driving engine vertically was installed in and controls the position, the clutch separator box was connected with the clutch assembly, and power clutch assembly outputs to auxiliary gear box and output shaft by the clutch separator box through change speed gear box.

Above-described auxiliary gear box; Comprise rear-guard output shaft, forerunner's output shaft, power input shaft, auxiliary gear box transmission gear, auxiliary gear box transmission shaft, rear-guard transition gear, rear-guard transmission gear, forerunner's transmission gear and forerunner's transition gear; Rear-guard transition gear and forerunner's transition gear are installed on the auxiliary gear box transmission shaft; The rear-guard transmission gear is installed on the rear-guard output shaft, and forerunner's transmission gear is installed on forerunner's output shaft, and power input shaft is connected with the auxiliary gear box transmission shaft through the auxiliary gear box transmission gear with the auxiliary gear box transmission shaft; Rear-guard transition gear and the engagement of rear-guard transmission gear; Through the walking of rear-guard output shaft with the power driven trailing wheel, forerunner's transmission gear and the engagement of forerunner's transition gear are through the walking of forerunner's output shaft with the power driven front-wheel.

Above-described clutch separator box; Comprise clutch assembly, output shaft, clutch shaft, clutch drive gear, power taking port, power taking axle, power taking shaft transmission gear, bevel pinion shaft and conical gear, the power taking port is fixed on clutch shaft or the power taking axle, and clutch drive gear is installed on the clutch shaft; The power taking axle mounting has the power taking shaft transmission gear; Bevel pinion shaft is equipped with power transmission gear, clutch drive gear and the engagement of power taking shaft transmission gear, clutch drive gear and the engagement of power taking shaft transmission gear; The power taking shaft transmission gear is while and power transmission gear engagement again; Conical gear also is installed on bevel pinion shaft, and another conical gear is installed on the output shaft, outputs power to output shaft through two conical gears.

Above-described power taking port is one or two, and the port on the alternative change speed gear box 8 of power taking port reaches wheelspan and diminishes, the purpose of center of gravity step-down.

The utility model compared with prior art has following outstanding feature:

1. simple in structure, with low cost, reliable, safety performance is good.The utility model has been broken through the technical barrier of engine mounted transversally, adopts driving engine vertically to install, and the single change speed gear box of car load is contained in control speed in the operator's compartment, can match the change speed gear box of various models, and direct engage a gear; Port on the also alternative change speed gear box of this power taking port, the installing space of change speed gear box is by dropping to about 27cm more than the original width 50cm like this, and highly also by original liftoff 47cm, step-down is below 30cm, and corresponding main girder also can narrow to about 30cm.For wheelspan diminishes, center of gravity step-down, materials tail off and have created very favorable condition, and also broken through as required forerunner or rear-guard or front and back and driven and can match various suitable durable belt brake bridge or back axle, and, the vehicle bridge of wheelspan less than 30cm can be installed; Simultaneously, drive front and back can be synchronous fully, strengthened the traveling comfort and the safety of driving greatly; In addition, because the front and back bridge can match each ripe bridge, therefore, broken through also that structure is single for many years; The trac. cost is high, and is handling poor, poor stability, and the power utilization rate is low; The difficult installation and limitations such as range of use is little and the part of use is not really up to the mark simplified the structure of trac., and cost is low; Easy to maintenance, it is many to have a load-carrying, the speed advantages of higher.

2. wide adaptability turns to flexibly, and operating efficiency is high, and purposes is wide, and load-carrying is big.The utility model has dwindled main fine strain of millet width owing to vertically install driving engine, has also reduced height of gravitational center simultaneously, has dwindled wheelspan, and therefore, turn radius is little, and steering operation is safe and reliable, and load-carrying is big.In addition, because driving engine is vertical installation, can extensively match the driving engine more than 6 horsepowers in the configuration, a kind of function is many, comformability is strong for peasant households provide, and practicality is transportation means widely, has also prolonged the service life of trac..The utility model both had been suitable for transporting, the operation in field, was particularly useful for the operation to harsh environment areas such as mountain area and sloping depression, forestry, pasture, Wu Lu districts.

3, design ingeniously, arrange rationally, energy-conserving and environment-protective, durable.The design on the power taking port design on the clutch separator box, one has made full use of the fwd space; The 2nd, can be arranged in the hydraulic pressure power takeoff on the change speed gear box on the clutch separator box, so change speed gear box just can liftoff height, installing space is little; Because it is the coaxial line structure that auxiliary gear box is driven in front and back, when single forerunner or rear-guard, can synchronous rotation not produce resistance, reach purpose of energy saving.In addition, it is vertical with bobbin output that auxiliary gear box is designed to straight bucket, and volume is little, has improved the durability of trac. greatly.

Description of drawings

The enforcement structure of the utility model is described below in conjunction with accompanying drawing.

Fig. 1 is the utility model trac. basic structure simplified schematic diagram.

Fig. 2 is the drive mechanism scheme drawing of the utility model auxiliary gear box 10.

Fig. 3 is the drive mechanism scheme drawing of the utility model clutch separator box 4.

Fig. 4 is the clutch separator box 4 drive mechanism scheme drawings of the utility model embodiment 2.

Description of reference numerals:

Driving engine 1, belt pulley 2, clutch assembly 3, clutch separator box 4, output shaft 5, chassis 6, direction machine 7, change speed gear box 8, power connection shaft 9, auxiliary gear box 10, control position 11, railway carriage 12, back axle assembly 13, back axle steel plate 14, rear-guard transmission shaft 15, rear-guard output shaft 16, forerunner's output shaft 17, forerunner's transmission shaft 18, direction drag link 19, front axle assy 20, propons steel plate 21, power input shaft 22, auxiliary gear box transmission gear 23, auxiliary gear box transmission shaft 24, rear-guard transition gear 25, rear-guard transmission gear 26, forerunner's transmission gear 27, forerunner's transition gear 28, clutch shaft 29, clutch drive gear 30, power taking port 31, power taking axle 32, power taking shaft transmission gear 33, power transmission gear 34, bevel pinion shaft 35, conical gear 36.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment this trac. is further described.

Shown in Fig. 1～3; Trac. comprises driving engine 1, belt pulley 2, clutch assembly 3, clutch separator box 4, output shaft 5, chassis 6, direction machine 7, change speed gear box 8, power connection shaft 9, auxiliary gear box 10, controls position 11, railway carriage 12, back axle assembly 13, back axle steel plate 14, rear-guard transmission shaft 15, rear-guard output shaft 16, forerunner's output shaft 17, forerunner's transmission shaft 18, direction drag link 19; Front axle assy 20, propons steel plate 21, power input shaft 22, auxiliary gear box transmission gear 23, auxiliary gear box transmission shaft 24, rear-guard transition gear 25, rear-guard transmission gear 26, forerunner's transmission gear 27, forerunner's transition gear 28, clutch shaft 29, clutch drive gear 30, power taking port 31, power taking axle 32, power taking shaft transmission gear 33, power transmission gear 34, bevel pinion shaft 35 and conical gear 36; Pass through belt pulley 2 transmissions between driving engine 1 and the clutch assembly 3; Driving engine 1 vertically is installed in to control before the position 11 and with clutch separator box 4 and is fixed on the big fine strain of millet; Clutch assembly 3 is fixed on the clutch separator box 4; Output shaft 5 links together with clutch separator box 4 and change speed gear box 8; Chassis 6 is fixed on the big fine strain of millet in chassis with railway carriage 12; Auxiliary gear box 10 is connected by power connection shaft 9 with change speed gear box 8; Direction machine 7 is fixed on the chassis 6 and with direction drag link 19 and is connected, and front axle assy 20 is connected with rear-guard transmission shaft 15 through forerunner's transmission shaft 18 with back axle assembly 13, and front axle assy 20 is provided with propons shock absorption device propons steel plate 21; Back axle shock absorption device back axle steel plate 14 also is installed on the back axle assembly 13, and forerunner's transmission shaft 18 is connected with forerunner's output shaft 17, and rear-guard transmission shaft 15 is connected with rear-guard output shaft 16.

As shown in Figure 2; Auxiliary gear box 10 comprises rear-guard output shaft 16, forerunner's output shaft 17, power input shaft 22, auxiliary gear box transmission gear 23, auxiliary gear box transmission shaft 24, rear-guard transition gear 25, rear-guard transmission gear 26, forerunner's transmission gear 27 and forerunner's transition gear 28; Rear-guard transition gear 25 and forerunner's transition gear 28 are installed on the auxiliary gear box transmission shaft 24; Rear-guard transmission gear 26 is installed on the rear-guard output shaft 16, and forerunner's transmission gear 27 is installed on forerunner's output shaft 17, and power input shaft 22 is connected with auxiliary gear box transmission shaft 24 through auxiliary gear box transmission gear 23 with auxiliary gear box transmission shaft 24; Rear-guard transition gear 25 and 26 engagements of rear-guard transmission gear; Through the walking of rear-guard output shaft 16 with the power driven trailing wheel, forerunner's

transmission gear

27 and 28 engagements of forerunner's transition gear are through the walking of forerunner's output shaft 17 with the power driven front-wheel.

As shown in Figure 3; Clutch separator box 4 comprises clutch assembly 3, output shaft 5, clutch shaft 29, clutch drive gear 30, power taking port 31, power taking axle 32, power taking shaft transmission gear 33, power transmission gear 34, bevel pinion shaft 35 and conical gear 36; Power taking port 31 is fixed on clutch shaft 29 or the power taking axle 32, and clutch drive gear 30 is installed on the clutch shaft 29, and power taking axle 32 is equipped with power taking shaft transmission gear 33; Bevel pinion shaft 35 is equipped with power transmission gear 34; Clutch drive gear 30 and 33 engagements of power taking shaft transmission gear, clutch drive gear 30 and 33 engagements of power taking shaft transmission gear, power taking shaft transmission gear 33 be while and power transmission gear 34 engagements again; Conical gear 36 also is installed on bevel pinion shaft 35; Another bevel pinion shaft 35 is installed on the output shaft 5, outputs to change speed gear box 8 through two bevel pinion shafts 35 with the power input and by output shaft 5, accomplishes turning to and long branch output apart from transmission and power of power.

Principle of work: the power of driving engine 1 passes to clutch separator box 4 and power taking port 31 through belt pulley 2 with power; Pass to change speed gear box 8 to power through power take-off shaft 5; Pass to the forerunner to power through forerunner's transmission shaft 18 through change speed gear box 8 speed changes by auxiliary gear box 10; Pass to rear-guard through rear-guard transmission shaft 15, the forerunner realizes the forerunner by front axle assy 20, and rear-guard is realized rear-guard by back axle assembly 13; Drive before and after perhaps realizing simultaneously by back axle assembly 13 and front axle assy 20; Propons is kept away to shake and is reached effectiveness in vibration suppression, also can not adorned and keep away the existing forerunner of jolt ramming by propons steel plate 21 and/or other damping materials, and back axle keeps away that to shake be to be realized keeping away shaking by back axle steel plate 14 or other damping materials, and direction is by direction machine 7 and propons direction to control position 11 control directions.

Embodiment 1

Shown in Fig. 1～3, the employing length that two power taking ports 31 are installed apart from the clutch separator box 4 of transmission device and single independent control speed directly engage a gear mid-in operator's compartment change speed gear box 8 and realize forerunner's and rear-guard trac. simultaneously by back axle assembly 13 and front axle assy 20.

Embodiment 2

Referring to Fig. 1～3 with shown in Figure 4, the employing length that a power taking port 31 is installed apart from the clutch separator box 4 of transmission device and single independent control speed directly engage a gear mid-in operator's compartment change speed gear box 8 and realize forerunner's and rear-guard trac. simultaneously by back axle assembly 13 and front axle assy 20.

Claims

1. a trac. comprises driving engine (1), clutch assembly (3), output shaft (5), chassis (6), railway carriage (12) and transmission shaft; Pass through belt pulley (2) transmission between driving engine (1) and the clutch assembly (3); Railway carriage (12) is fixed on the chassis (6); It is characterized in that: it comprises that also employing length that power taking port (31) is installed is apart from the clutch separator box (4) of transmission device, single independent control speed directly engage a gear and mid-change speed gear box (8) and the auxiliary gear box (10) that can control the front and back wheel driving in operator's compartment; Described driving engine (1) vertically be installed in control the position (11) preceding; Clutch separator box (4) is connected with clutch assembly (3), and power outputs to auxiliary gear box (10) and output shaft (5) by clutch separator box (4) through change speed gear box (8) through clutch assembly (3).

2. trac. according to claim 1; It is characterized in that: described auxiliary gear box (10); Comprise rear-guard output shaft (16), forerunner's output shaft (17), power input shaft (22), auxiliary gear box transmission gear (23), auxiliary gear box transmission shaft (24), rear-guard transition gear (25), rear-guard transmission gear (26), forerunner's transmission gear (27) and forerunner's transition gear (28); Rear-guard transition gear (25) and forerunner's transition gear (28) are installed on the auxiliary gear box transmission shaft (24); Rear-guard transmission gear (26) is installed on the rear-guard output shaft (16), and forerunner's transmission gear (27) is installed on forerunner's output shaft (17), and power input shaft (22) is connected with auxiliary gear box transmission shaft (24) through auxiliary gear box transmission gear (23) with auxiliary gear box transmission shaft (24); Rear-guard transition gear (25) and rear-guard transmission gear (26) engagement; Through rear-guard output shaft (16) power transmission is arrived trailing wheel, forerunner's transmission gear (27) and forerunner's transition gear (28) engagement are arrived front-wheel through forerunner's output shaft (17) with power transmission.

3. trac. according to claim 1; It is characterized in that: described clutch separator box (4); Comprise clutch assembly (3), output shaft (5), clutch shaft (29), clutch drive gear (30), power taking port (31), power taking axle (32), power taking shaft transmission gear (33), bevel pinion shaft (35) and conical gear (36); Power taking port (31) is fixed on clutch shaft (29) or the power taking axle (32); Clutch drive gear (30) is installed on the clutch shaft (29), and power taking axle (32) is equipped with power taking shaft transmission gear (33), and bevel pinion shaft (35) is equipped with power transmission gear (34); Clutch drive gear (30) and power taking shaft transmission gear (33) engagement; Clutch drive gear (30) and power taking shaft transmission gear (33) engagement, power taking shaft transmission gear (33) be while and power transmission gear (34) engagement again, and conical gear (36) also is installed on bevel pinion shaft (35); Another conical gear (36) is installed on the output shaft (5), outputs power to output shaft (5) through two conical gears (36).

4. trac. according to claim 1 is characterized in that: described power taking port (31) is one or two.