CN2323567Y

CN2323567Y - Small size harvester

Info

Publication number: CN2323567Y
Application number: CN 97242408
Authority: CN
Inventors: 颜国富
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-12-24
Filing date: 1997-12-24
Publication date: 1999-06-16
Anticipated expiration: 2007-12-24

Abstract

The utility model relates to a small size harvester. The small size harvester is formed by that a threshing device is arranged in front of a walking tractor, and the threshing device is composed of a threshing roller, a wind lever, the main shaft of the wind lever, the triangular belt of the wind lever, a storage box, and a shell provided with an opening in front of the threshing roller; a straws cutting device is arranged below the bottom frame of the walking tractor, and the straws cutting device is composed of a cutting knife and a connecting rod. The small size harvester changes the traditional method that straws are cut before being threshed, and the goal that threshing is carried out before cutting straws is realized once. The utility model has the advantages of simple structure, lower plowing energy, less investment, high efficiency and the reservation of the primary functions of the walking tractor. The small size harvester is suitable for harvesting the crops planted in divided pieces of fields such as rice, wheat, barley, millet, etc. in plains, hills and mountain lands, and the crops on the boundaries and the corners of the fields can be harvested thoroughly.

Description

A kind of small harvester

The utility model relates to a kind of crops reaping apparatus.

At present, the harvesting of crops such as the paddy rice that the peasant farmer plants on non-soil in blocks on Plain, hills, the mountain region, wheat, barley, grain all adopts manpower to cut standing grain, threshing basically, and its work under bad environment, labour intensity is very big, production efficiency is low.Though mechanical harvesting is also arranged, mostly be main equipment, the scope of application is little, cost of investment is big, so be difficult to promote the use of.Even small mechanical equipment is arranged, but function singleness, or singly cut standing grain, or single threshing, can not be accepted by wide farmers, also difficulty is promoted the use of.Equally all be to cut threshing behind the standing grain earlier.And hand tractor can only plough or transport, and can not cut standing grain, threshing.

The purpose of this utility model provides a kind of disposable reaping apparatus that cuts standing grain behind the crops early threshing of finishing.

The purpose of this utility model realizes by following measure: a sheller unit is set in the front of hand tractor, it is by grain threshing roller, the shell that opening is arranged in the grain threshing roller front, blower fan, and their central shaft, vee-pulley, hutch constitutes, contiguous block by the shell side is fixedly connected on the bumper of hand tractor front, grain threshing roller in the enclosure, blower fan is at the shell right-hand member, the air inlet of blower fan is in the right-hand member Lower Half of grain threshing roller, vee-pulley is fixedly connected on the left end of central shaft, with be connected by V-belt A between the vee-pulley on the diesel arbor of hand tractor, the air outlet of blower fan is communicated with hutch; A harvester that is made of cutter and connecting rod is set below the underframe of hand tractor, for flexibly connecting, also is flexible connection between lower end and the cutter between small end and the underframe.

Grain threshing roller be roller and its surface in the shape of a spiral the threshing blade that distributes of type form, be continuous in the axial direction between the every threshing blade, and be interrupted that this helps threshing and pellet is moved to blower fan one end on angle of circumference.The upper half casing of hutch is the cultivated hood of executing of hand tractor, and following half casing is fixedlyed connected formation with it, and is communicated with by discharge pipe between the fan outlet, and material output valve is arranged at the bottom of the case.Cutter is made up of the V-knife of tooth the inboard.The straw that holds together of 1～2 pair of inverse parallel with the cutter face is set on connecting rod, straw can be concentrated.The plate that drops down of front perk is set below cutter, and its bottom surface is parallel with the cutter face and be connected mutually, and this is unlikely cutter to run into ground or other barrier and is damaged.Connecting rod is to be connected tandem two parallel bars on the underframe, constitutes the parallelogram member and makes cutter keep parallel to the ground.Between underframe and parallelogram connection-rod, be provided with one and connect and compose the mechanism of control cutter height by regulating wheel shaft and steel wire rope, to regulate wheel shaft and be connected on the underframe, the other end of steel wire rope is connected with connecting rod is middle.

The utility model is provided with harvester owing to be provided with sheller unit in the hand tractor front below the underframe of its back, thereby has changed the conventional method of cutting threshing behind the standing grain earlier, has realized the program of cutting standing grain behind the disposable early threshing; While is simple in structure, power consumption is lower, and kept the original function of hand tractor, and small investment, efficient height, per hour can gather in the crops about 4 mu, be particularly useful for the harvesting of crops such as non-paddy rice, wheat, barley, grain in flakes in Plain, hills, the mountain region, because turn radius is little, therefore, ground, corner, field can be gathered in clean again.

Below in conjunction with accompanying drawing the utility model is elaborated.

Fig. 1 is a schematic side view of the present utility model;

Fig. 2 is the schematic top plan view of hand tractor and sheller unit;

Fig. 3 is the A-A schematic views of Fig. 2;

Fig. 4 is the B-B schematic views of Fig. 2;

Fig. 5 is the grain threshing roller schematic diagram;

Fig. 6 is the cutter device schematic top plan view.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6,12 horsepowers hand tractor front a sheller unit is set, this device by grain threshing roller 24, and have in its front opening shell 18, blower fan 3, and their central shaft 19 and vee-pulley 20, hutch constitute, be fixedly connected on the bumper 1 of hand tractor front by the contiguous block 2 of shell 18 sides.The trade mark is the right-hand member of the centrifugal fan 3 of 6-23No.3 at shell 18, its air inlet is in the Lower Half of grain threshing roller 24 right-hand members, and their shell is connected mutually, and central shaft 19 is by the axle center of grain threshing roller 24 and blower fan 3, vee-pulley 20 is fixed on the central shaft 19 at the left end of shell 18.Be fixed between vee-pulley 22 and the vee-pulley 20 on the diesel arbor of hand tractor and be connected by V-belt A21.Be communicated with by discharge pipe 4 between the air outlet of blower fan 3 and the hutch.The upper half casing 9 of hutch is the cultivated hood of executing of hand tractor, it and the following half casing 10 formation hutch that is connected, and its end, be provided with material output valve.The threshing blade of arranging on the grain threshing roller 24 23 is spiral shell and executes the type distribution on grain threshing roller 24: every threshing blade 23 is continuous in the axial direction, every threshing blade 23 is discontinuous on angle of circumference, and it can take off grain and the pellet of taking off is passed the air inlet of blower fan 3.A harvester of being made up of cutter 17 and connecting rod 14 is set below hand tractor underframe 11, connecting rod 14 upper ends and underframe 11 are for flexibly connecting, lower end and cutter 17 are for flexibly connecting, cutter 17 keeps parallel to the ground, be that cutter 17 is made up of the V-knife of tooth 4 inboards because connecting rod 14 is parts that tandem two parallel bars constitute parallelogram.On connecting rod 14, be provided with 1 pair with 17 parallel inverses of cutter hold together straw 16, the straw of cutting off can be concentrated.Be a front perk below

cutter

17,17 of bottom surface and cutteves parallel and be connected mutually drop down plate 15, can not run into ground or other barriers and damage with protection cutter 17.An extension spring 13 that pulls back connecting rod 14 is arranged, to guarantee to drop down plate 15 slip that is close to the ground between connecting rod 14 lower semisections and underframe 11.Cutter 17 height controlling organizations are by regulating the mechanism that wheel shaft 6 and steel wire rope 12 connect and compose, regulate wheel shaft 6 and be connected on the underframe 11, the other end of

steel wire rope

12 and 14 middle connections of connecting rod.Cutter 17 be improved, be to rotate to regulate wheel shaft 6, makes steel wire rope 12 around regulating on the wheel shaft 6, adjusting wheel shaft 6 positioned get final product.The cutter 17 of loweing just will be regulated steel wire rope 12 on the wheel shaft 6 and emit and get final product.

The course of work: be transferred to the opening of shell 18 fronts concordant earlier with the standing grain fringe, the location, to drop down plate 15 again is transferred to by ground, can start the diesel machine, making its axle go up vee-pulley 22 rotates, drive vee-pulley 20 through V-belt A21 and rotate, grain threshing roller 24 and blower fan 3 are started working, in shell 18, produce negative pressure, the standing grain fringe is sucked the opening of shell 18 fronts, under the threshing blade 23 on grain threshing roller 24 surfaces hits, particle is laid, fall in shell 18 below, remove to the air inlet of blower fan 3 under the promotion by screw type threshing blade 23, particle enters blower fan 3 under the drive of wind-force, send at blower fan 3 air outlets again, enters hutch through discharge pipe 4.When sheller unit was started working, hand tractor also began to overtake, and the standing grain fringe of front will constantly be inhaled into the opening of shell 18 fronts.When having expired, promptly stop and after under the hutch particle being put into large bamboo or wicker basket, can continue threshing with the trailing plants basket Deng hutch.Taken off straw that grain also erects in cutter 17 proal processes, cut off, concentrated in together to the centre and swing to a direction by holding together straw 16 again, so that collect by cutter 17.Thereby finish the harvesting process of cutting standing grain behind the early threshing.

Claims

1, a kind of small harvester, comprise bumper [1], rotary tillage hood [9], vee-pulley [22], the hand tractor of underframe [11], it is characterized in that: be provided with one in the hand tractor front by grain threshing roller [24], reach the shell [18] that opening is arranged in its front, blower fan [3], and their central shaft [19], vee-pulley [20], the sheller unit that hutch constitutes, contiguous block [2] by shell [18] side is connected on the bumper [1], blower fan [3] is at shell [18] right-hand member, its air inlet is in the Lower Half of grain threshing roller [24] right-hand member, vee-pulley [20] is fixed on the left end of central shaft [19], vee-pulley [20,22] between by V-belt A[21] connect, the air outlet of blower fan [3] is communicated with hutch; A harvester that is made of cutter [17] and connecting rod [14] is set below underframe [11], for flexibly connecting, is to flexibly connect between lower end and the cutter [17] between connecting rod [14] upper end and the underframe [11].

2, small harvester according to claim 1 is characterized in that: described grain threshing roller [24] is continuous between every by roller and the type distribution in the shape of a spiral on its surface in the axial direction, and enclosing on the angle at circle is that interrupted threshing blade [23] is formed.

3, small harvester according to claim 1 is characterized in that: described hutch the upper half casing is a rotary tillage hood [9] and following half casing [10] formation that is connected, and is communicated with by discharge pipe [4] between blower fan [3] air outlet, and material output valve is arranged at the bottom of the case.

4, small harvester according to claim 1 is characterized in that: described cutter [17] is that the inboard is made up of the V-knife of tooth.

5, small harvester according to claim 1 is characterized in that: what 1～2 pair of inverse parallel with cutter [17] face was set on connecting rod [14] holds together straw [16].

6, according to claim 1 or 4 or 5 described small harvesters, it is characterized in that: a front perk is set below cutter [17], bottom surface and cutter [17] face are parallel be connected mutually drop down plate [15].

7, small harvester according to claim 1 is characterized in that: described connecting rod [14] is to be connected the parts that last tandem two parallel bars of underframe [11] constitute parallelogram.

8, according to claim 1 or 5 or 7 described small harvesters, it is characterized in that: a mechanism that is connected and composed control cutter [17] height by adjusting wheel shaft [6] and steel wire rope [12] is set between underframe [11] and connecting rod [14], regulate wheel shaft [6] and be connected on the underframe [11], the other end of steel wire rope [12] is connected with connecting rod [14] is middle.