CN210610258U - Micro-tillage machine - Google Patents

Abstract

The utility model discloses a machine is ploughed a little, include: the main case of the reduction gearbox assembly is internally provided with a plurality of spline shafts, a plurality of gears and a plurality of shaft sleeves, the shaft sleeves are sleeved outside the spline shafts, the gears are sleeved on the outer walls of the shaft sleeves, the gears on two adjacent spline shafts can be mutually meshed and connected, two gears on a first spline shaft close to the clutch auxiliary case are arranged, one gear can be meshed and connected with a gear on the main shaft of the clutch auxiliary case, the main shaft is connected with a shifting fork, the shifting fork is connected with a handle, and one end of the main shaft of the clutch auxiliary case, which extends into the case, is connected with the clutch; the utility model discloses can the variable speed adjust the translation rate, the variable speed is nimble, prevents the loss of horsepower, and changes the belt formula and connect, saves installation space, improves agricultural machinery safety in utilization, reduce cost.

Description

Micro-tillage machine

Technical Field

The utility model relates to agricultural machinery especially relates to a machine is ploughed a little.

Background

The mini-tiller uses a small diesel engine or a gasoline engine as power and has the characteristics of light weight, small volume, simple structure and the like. The micro-tillage machine is widely applicable to dry lands, paddy fields, orchards and the like in plains, mountainous areas and hills. The tractor can pump water, generate electricity, spray pesticide, spray and other operations when matched with corresponding machines, can also pull the trailer to carry out short-distance transportation, can freely run in the field by the mini-tiller, is convenient for users to use and store, saves the trouble that large agricultural machinery can not enter mountain fields, and is the best choice for vast farmers to replace cattle farming.

The air-cooled diesel engine of the existing mini-tiller drives a belt to drive a mini-tiller box body through a belt pulley, the speed regulation is inflexible, in order to achieve the purpose of working, the belt is easy to damage and a protective shell needs to be installed in transmission, insecurity exists, the occupied space is too large, the installation process is complicated, the use cost of the belt is high, and in order to change the mode that the belt of the air-cooled diesel engine is linked with the box body, the connection mode of a direct-connected clutch auxiliary box is adopted for connection driving of agricultural machinery.

Disclosure of Invention

The utility model overcomes prior art's is not enough, provides a machine is ploughed a little, can change the speed regulation removal speed, and the variable speed is nimble, and changes the belt formula and connect, saves installation space, improves agricultural machinery safety in utilization, reduce cost.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a micro-farming machine, comprising: the clutch auxiliary box is powered by an air-cooled diesel engine, the reduction gearbox assembly is connected with the clutch auxiliary box, the mainframe box of the reduction gearbox assembly is internally provided with a plurality of spline shafts, a plurality of gears and a plurality of shaft sleeves, the shaft sleeves are sleeved outside the spline shafts, the gears are sleeved on the outer walls of the shaft sleeves, the gears on the spline shafts are adjacent to each other and can be meshed with each other to be connected, two gears on a first spline shaft of the clutch auxiliary box are close to each other, one gear can be meshed with a gear on a main shaft of the clutch auxiliary box and is connected with a shifting fork, the shifting fork is connected with a handle, and one end of the main shaft of the clutch auxiliary box, which extends into the box body, is connected with a.

In a preferred embodiment of the present invention, the shaft sleeve can move along the axis of the spline shaft.

In a preferred embodiment of the present invention, the gear can rotate synchronously and in the same direction as the spline shaft, and can slide along the axis of the spline shaft.

In a preferred embodiment of the present invention, the plurality of gears at least includes a plurality of single gears and a plurality of double gears.

In a preferred embodiment of the present invention, the diameters of the two gears of the dual gear are the same, or the diameters of the two gears are different.

In a preferred embodiment of the present invention, two single gears are disposed on the spline shaft connected to the clutch sub-box, and one of the single gears is connected to the gear on the main shaft of the clutch sub-box.

In a preferred embodiment of the present invention, the gears connected to the adjacent two spline shafts can be disconnected or connected by sliding.

In a preferred embodiment of the present invention, when one of the gears is disconnected from the gear on the adjacent spline shaft, the other gear will be engaged with the gear to adjust the speed.

In a preferred embodiment of the present invention, the spline shaft is a first spline shaft, a second spline shaft, a third spline shaft, a fourth spline shaft, a fifth spline shaft, and a sixth spline shaft in sequence from near to far from the clutch sub-box, and a rotation shaft is provided between the first spline shaft and the second spline shaft.

In a preferred embodiment of the present invention, two gears of the first spline shaft are connected, one of the two gears is engaged with the gear of the clutch sub-box, and the other gear is a driving gear capable of engaging with the large gear of the first double-link gear connected to the rotating shaft.

In a preferred embodiment of the present invention, the first gear of the second spline shaft is engaged with the small wheel of the first double gear.

In a preferred embodiment of the present invention, the third spline shaft is connected to at least the second gear, the second double-link gear, and the fixed gear is engaged with the first gear.

In a preferred embodiment of the present invention, the fourth spline shaft is connected to at least a third gear, a fourth gear, a third shaft sleeve, and a third double-link gear.

In a preferred embodiment of the present invention, the fifth spline shaft is connected to at least a fourth double connecting gear, a fifth gear and a fourth shaft sleeve.

The utility model discloses a preferred embodiment, fifth axle sleeve, eighth gear, bearing frame are connected at least to the sixth integral key shaft, the axial length of sixth integral key shaft is greater than the axial length of other integral key shafts, plough the machine accessory a little can be connected at the both ends of sixth integral key shaft, plough the machine accessory a little and can be wheel, plough etc..

In a preferred embodiment of the present invention, the bearing is connected to both ends of the spline shaft, and the bearing seat is disposed outside the bearing.

In a preferred embodiment of the present invention, the gear on the spline shaft of the free end of the main housing can engage with the engaging member.

In a preferred embodiment of the present invention, the connecting assembly can be connected to a mini-tiller accessory.

The utility model discloses a preferred embodiment, the reduction box assembly realizes the variable speed through the interlock transmission between the gear, and the gear interlock transmission of each other of different diameters can quick speed governing.

In a preferred embodiment of the present invention, the clutch is connected to the reduction box in a direct-connected manner through the main shaft of the clutch sub-box.

The utility model provides a defect that exists among the background art, the utility model discloses possess following beneficial effect:

(1) the utility model discloses change air-cooled diesel engine belt and link the box, changed connected mode with the direct-connected type clutch auxiliary tank, the mode of direct-connected type is connected, can nimble quick speed governing, prevents horsepower loss, has saved installation space, improves the security of using, saves the cost, improves life.

(2) The utility model provides a reducing gear box assembly can prevent horsepower loss through the cooperation of many spline shafts and bull gear in the same direction as smooth speed governing, and multiple speed satisfies the service environment who ploughs the machine difference a little.

(3) The utility model discloses in through shift fork handle pulling shift fork top clutch core, play the effect of accurate quickly separating separation and reunion, conversion that can be nimble, quick be connected with the clutch and separate, shorten adjust time, reduce the output of power.

(4) The utility model discloses in the many gears that set up, can satisfy different service environment, the required horsepower of different topography is different, can shift gears in a flexible way, improves the horsepower in the time of the fuel-efficient, use cost is low, and work efficiency is high. Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is a schematic cross-sectional structure of a preferred embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure of a preferred embodiment of the present invention;

fig. 3 is a schematic cross-sectional structure of a preferred embodiment of the present invention;

in the figure: a main chassis 1; a shaft 20; a bearing seat 26; a drive gear 27; the clutch sub-tank 28;

a first spline shaft 2; a second spline shaft 6; a third spline shaft 9; a fourth spline shaft 15; a fifth spline shaft 19; the sixth spline shaft 25;

a first double gear 3; a second double-link gear 8; a third double-link gear 14; a fourth double link gear 17;

a first bushing 4; a second bushing 7; a third shaft sleeve 13; a fourth shaft sleeve 16; a fifth shaft sleeve 23;

a first gear 5; a second gear 10; a third gear 11; a fourth gear 12; a fifth gear 18; a sixth gear 21; a seventh gear 22; an eighth gear 24. Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "upper", "lower", "inner", "outer", "left", "right" and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1-3, a micro-farming machine comprises: use the clutch auxiliary box 28 of forced air cooling diesel engine as power, and connect the reducing gear box assembly of clutch auxiliary box 28, set up including a plurality of integral key shaft in the mainframe box 1 of reducing gear box assembly, a plurality of gear, a plurality of axle sleeve, the axle sleeve cup joints at the integral key shaft outside, the outer wall of axle sleeve is cup jointed to the gear, two epaxial gears of adjacent integral key can interlock each other and connect, two gears on the first integral key shaft 2 who closes on clutch auxiliary box 28, one of them gear can be connected with the epaxial gear interlock of clutch auxiliary box 28, the shift fork is connected to the main shaft, shift fork connection handle, clutch auxiliary box 28 main shaft stretches into the one end connection clutch in the box.

The shaft sleeve can move along the axis of the spline shaft, the gear can synchronously rotate in the same direction with the spline shaft, and the gear can slide along the axis of the spline shaft.

The plurality of gears at least comprise a plurality of single gears and a plurality of double gears; the diameters of the two gears of the double-connection gear are the same, or the diameters of the two gears are different.

The gears connected with the two adjacent spline shafts can be disconnected or connected through sliding; when one gear is disconnected with the gear on the adjacent spline shaft, the other gear is meshed with the gear on the adjacent spline shaft, and the speed change adjustment is carried out.

Two gears connected with the first spline shaft 2, wherein one gear is meshed with a gear of the clutch auxiliary box 28, and the other gear is a driving gear 27 and can be meshed with a large gear of the first double-connection gear 3 connected with the rotating shaft; a first gear 5 connected with a second spline shaft 6 is meshed with a small wheel of the first double-connection gear 3; the third spline shaft 9 is at least connected with a second gear 10, a second double-connection gear 8 and a fixed gear, and the fixed gear is in meshed connection with the first gear 5; the fourth spline shaft 15 is connected with at least a third gear 11, a fourth gear 12, a third shaft sleeve 13 and a third double-connection gear 14; the fifth spline shaft 19 is at least connected with a fourth double-connection gear 17, a fifth gear 18 and a fourth shaft sleeve 16; the sixth spline shaft 25 is at least connected with the fifth shaft sleeve 23, the eighth gear 24 and the bearing seat 26, the shaft length of the sixth spline shaft 25 is larger than that of other spline shafts, and the two ends of the sixth spline shaft 25 can be connected with mini-tiller accessories which can be wheels, plows and the like.

The bearings are connected with two ends of the spline shaft, and bearing seats 26 are arranged outside the bearings to provide a supporting and protecting effect during the rotation process of the spline shaft.

The clutch is connected with the reduction gearbox in a direct-connected mode through a main shaft of the clutch auxiliary box 28, the reduction gearbox assembly realizes speed change through meshing transmission among the gears, and the gears with different diameters are meshed with each other for transmission, so that the speed can be quickly adjusted.

In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (10)

1. A micro-farming machine, comprising: the air-cooled diesel engine clutch comprises a clutch auxiliary box and a reduction gearbox assembly, wherein the clutch auxiliary box is powered by an air-cooled diesel engine, the reduction gearbox assembly is connected with the clutch auxiliary box, the reduction gearbox assembly is characterized in that a plurality of spline shafts, a plurality of gears and a plurality of shaft sleeves are arranged in a main case of the reduction gearbox assembly, the shaft sleeves are sleeved outside the spline shafts, the gears are sleeved on the outer walls of the shaft sleeves and adjacent two gears on the spline shafts can be meshed and connected with each other, two gears on a first spline shaft of the clutch auxiliary box are close to, one gear can be meshed and connected with a gear on a main shaft of the clutch auxiliary box, the main shaft is connected with a shifting fork, the shifting fork is connected with a handle, and one end of.

2. The micro-cultivator of claim 1, wherein: the sleeve is movable along the axis of the spline shaft.

3. The micro-cultivator of claim 1, wherein: the gear can synchronously rotate in the same direction with the spline shaft.

4. The micro-cultivator of claim 1, wherein: the gears at least comprise a plurality of single gears and a plurality of double gears.

5. The micro-cultivator of claim 4, wherein: and two single gears are arranged on a spline shaft connected with the clutch auxiliary box, and one single gear is connected with a gear on the main shaft of the clutch auxiliary box.

6. The micro-cultivator of claim 1, wherein: the gears connected to the adjacent two spline shafts can be disconnected or connected by sliding.

7. The micro-cultivator of claim 6, wherein: when one gear is disconnected with the gear on the adjacent spline shaft, the other gear is meshed with the gear on the adjacent spline shaft, and speed change adjustment is carried out.

8. The micro-cultivator of claim 1, wherein: the spline shaft is characterized in that two ends of the spline shaft are connected with bearings, and bearing seats are arranged outside the bearings.

9. The micro-cultivator of claim 1, wherein: and the gear on the spline shaft at the free end of the main case can be meshed with the connecting assembly.

10. The micro-cultivator of claim 9, wherein: the connecting assembly can be connected with a mini-tiller accessory.

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