CN2198753Y

CN2198753Y - Rice threshing harvester

Info

Publication number: CN2198753Y
Application number: CN 94218894
Authority: CN
Inventors: 黄烈
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-08-15
Filing date: 1994-08-15
Publication date: 1995-05-31
Anticipated expiration: 2004-08-15

Abstract

The utility model relates to a farm harvesting machinery tool, particularly to a rice threshing harvester. A threshing device is composed of a belt transmission and a threshing cylinder (31), and a harvesting device is composed of a double crank four-bar machine, a bevel gear transmission, and an upper and a lower knife bases (25, 26) with knife teeth. The threshing device comprises a roller connected with the middle part of the rice threshing harvester body and threshing teeth (29) on the external circumference of the rice threshing harvester. A driving belt is connected with the threshing cylinder and a crank handle (1). The harvesting device comprises the double crank four-bar machine on the right end of the crank handle, and drives knife base teeth to conduct cutting movement by the bevel gear transmission and a knife base connecting rod connected with the bevel gear transmission. The rice threshing harvester first threshes rice and then harvests rice when the rice threshing harvester is operated.

Description

Rice threshing harvester

The utility model relates to farmland harvesting machinery class instrument.

Existing this class instrument has only a kind of function, can not cut down as a threshing, or just harvesting and do not have the threshing function, thereby can cause unnecessary shedding and losing, inefficiency; The general rolling by two or four wheels of this class machinery advanced difficulty in walking in muddy paddy field in addition.

The purpose of this utility model provides a kind of convenience, practical rice threshing grain header, and it can be cut and cut and can threshing, is fit to the harvesting and the threshing of paddy rice wheatland.

The purpose of this utility model takes following measure to reach: fuselage of being made up of a rectangle frame and cabinet rake and the threshing cylinder of being made up of belt transmission and threshing tooth that links with it, the rice cutter of forming by the upper and lower tool rest of cutter tooth by double-crank mechanism, Bevel Gear Drive and front end, and a crank handle that drives thrasher and rice cutter, be characterised in that:

A 〉. thrasher comprises that one is associated in the rotatable drum in frame and cabinet rake stage casing by rotating shaft, the outer garden of cylinder tangentially laterally connects firmly number and gets rid of a tooth on week, the negative pulley wheel that is fixed on rotating shaft one end connects driving pulley by driving belt, and driving pulley is fixed on the left end of crank handle;

B 〉. the crank handle right-hand member is fixedly connected with the double-crank mechanism of being made up of frame bar, upper and lower crank and connecting rod, lower crank is that 90 ° conical gear links by the minor axis and a pair of angle of cut, the upper cutter head connecting rod one end of a band adjusting nut connects with the bent axle of small conical gear, the other end connects the left end of upper cutter head, upper cutter head matches by locating slot and locating pin with following tool rest and contacts connection, and a flat spring is housed on the locating pin.

Connect firmly the threshing tooth of 2～8 row's symmetric arrangement on the circular drum, optimal placement is 4 rows, and space 90 degree have retaining cloth between threshing tooth and rotating shaft.

Connect firmly a spur rack with screw on the upper cutter head, the straight-tooth pinion that is engaged with is coaxial fixing with one group of straw.

The rotating shaft two ends at threshing cylinder center are supported on the frame side frame after passing the through hole at cabinet middle part

In, be positioned at the positioning hole that is distributed with the jack connection hack lever on the frame frame of groove below.

Cabinet rake links by the adjusting screw(rod) nut and the frame on top, a resistance standing grain tube is arranged in the front portion of cabinet rake hypomere, and the rear portion is the paddy case, but this paddy case rear aperture place dossal bag.

One mobilizable bag of poppet is made of the movable gusset of front portion and the bag pad pad at rear portion, divides before and after its movable gusset in addition that backing plate is hinged links with paddy case and bag, is associated with flexible strand on bag backing plate rod member, as belt.

Frame has a flat rim plate, and pointed pressure standing grain plate is respectively arranged about its front end, and the center, rear portion is the triangle grain separating rack.

Fig. 1 is a stereochemical structure simplified schematic diagram of the present utility model.Fig. 2 is the side simple view of Fig. 1.Fig. 3 is the diagrammatic top view at tool rest place up and down among Fig. 1.

This device has early threshing, after cut standing grain function.Its frame (35) bottom is a flat rim plate (12), is pressed on the paddy stubble that cuts off, and can alleviate the pressure of fuselage to the field, reduces walking resistance, and fuselage slides by paddy stubble rim.

Hang up properly the cloth bag (not shown) at the paddy case rear portion of cabinet rake (34) bottom before the work.One people's both hands are held crank handle (1), to fasten rope band (2) at the rod member two ends of bag backing plate (4) simultaneously is tied to the shoulder chest and tiltedly carries and mix up length on the arm, forward lean is just mentioned a bag poppet that carries pocket to be above the ground level, and both hands are rotating crank handle forward alternately; Back one people's both hands are held the bent hand of frame bar (6) front end, and same forward lean cooperates last people to push away machine and advances.

The operation principle of this device is as follows:

1, along with the rotation forward of crank handle (1), the driving pulley (39) that is fixed on the handle left end is coaxial rotation also, drive passive belt wheel (30) by belt (33) with the gearratio of 1:4, the cylinder of installing with the same rotating shaft of passive belt wheel (32) (31) also rotates thereupon.Because four of symmetric arrangement get rid of a tooth (29) and grow 30 millimeters than following resistance standing grain tube (28) on the cylinder, thereby spike of rice is caught by the threshing tooth and under stopped of resistance standing grain tube by threshing, the grain weeds of accompanying fly to hit in the rectangle paddy case (8) that falls into a left and right and end three side sealing mouth on retaining cloth, and grain slips into inclination paddy case behind the foraminate filter screen in paddy case rear portion and hangs in the bag; Then dished out every the weeds on screen cloth with the quick rotation of threshing cylinder.

The dislocation of threshing tooth on forward and backward two toothrows is arranged; And make the groove of adjacent two between cog become smooth surface, and to guarantee the thorough threshing of grain fringe to the straw head, the minute quantity grain ear is under the effect of threshing tube inertia force, and it is first with pulling apart to connect straw.

On resistance standing grain tube both sides branch straw (27) is arranged, effect is in loom is advanced the spike of rice head to be pressed to the centre to be subjected to the threshing of threshing tooth;

2, along with the rotation of crank handle, be fixed on the handle right-hand member by upper and lower crank (3,11), the double-crank four-bar mechanism formed of frame bar (6) and movable connecting rod (5) also together rotates, also rotate with the coaxial mounted garden awl gear wheel of lower crank (11) (13) thereupon and drive the garden awl pinion (14) that is meshed with it and rotate; Drive about upper cutter head rectilinear motion back and forth by being connected upper cutter head connecting rod (23) between bevel pinion bent axle (15) and upper cutter head (25), cooperate the empty rice straw that cuts off threshing with fixing following tool rest (26).Upper cutter head is by locating pin (19) the controlled motion stroke in the geocoded activity groove (18), and the flat spring (16) that is associated on the locating pin compresses upper cutter head to guarantee being unlikely to produce slot between upper and lower tool rest.

Along with upper cutter head and spur rack (21) linear reciprocating motion that links with it, the straight-tooth pinion (22) that drive the is engaged with certain angle that swings, swing too with the straw (20) of dialling that pinion is coaxial, it is longer 70 millimeters than cutter tooth to dial the straw front end, but than short 10 millimeters of the resistance standing grain tube above it, it is dragged on empty rice straw below the cabinet and it is imposed certain pressure, cooperate cutting off of cutter tooth, simultaneously the paddy bar that cuts off is vertically arranged, movable gusset (9) by triangle grain separating rack (24) on the flat rim plate of frame (12) and bag poppet front portion is divided into two bundles with straw, longitudinal extension is laid on Tanaka, and road of middle formation is for people's walking.The movable corner front edge of board hinged with bag backing plate (4) is associated in paddy case rear portion with chain.

The adjusting screw(rod) that weld admittedly at the cabinet rake top (36) links by nut (37) and frame (35), become flexible this adjusting nut and be positioned at locking nuts (7) frame side frame groove (38), rotating shaft (32) two ends, the high and low position of extractor tank tower and threshing tube about getting final product, that adjusts looks the level height that rice bar height is determined the drum threshing tooth, generally gets final product work a little more than the spike of rice head.

According to operator's height, can regulate the diverse location that frame bar (6) locates at positioning hole (10) and reach the high and low position of regulating crank handle, in the time of adjustment, also tackle the degree of tightness of driving belt and adjust.

Adjustable length of adjusting nut (17) on the upper cutter head connecting rod (23) or accent short connecting rod put in place to guarantee the cutting of cutter tooth mouth; There is the standing grain of pressure plate at the two ends, the left and right sides of the flat rim prelaminar part of frame, and effect is the rice bar to be squeezed before the cutting cutter tooth cut.

The device work that the utility model provides is laborsaving, threshing and cutting rapidly accurately, be widely used in rural area, mountain area; Having simple in structure, maneuverable advantage, is a kind of desirable harvesting tool.

Claims

1, a kind of rice threshing grain header, the fuselage that has a rectangle frame (35) and cabinet rake (34) to form reaches the thrasher by belt transmission (39,33,30) and threshing cylinder (31) composition that links with it, by double-crank mechanism (3,5,6,11), Bevel Gear Drive (13,14) and front end the upper and lower tool rest (25 of cutter tooth is arranged, 26) rice cutter of Zu Chenging, and the crank handle (1) of a drive thrasher and rice cutter is characterized in that:

A 〉. thrasher comprises that one is associated in the rotatable drum (31) in frame and cabinet rake stage casing by rotating shaft (32), the outer garden of cylinder tangentially laterally is fixedly connected with number and gets rid of a tooth (29) on week, the negative pulley wheel (30) that is fixed on rotating shaft one end connects driving pulley (39) by driving belt (33), and driving pulley is fixed on the left end of crank handle (1);

B 〉. the crank handle right-hand member is fixedly connected with by frame bar (6), upper and lower crank (3,11) and the double-crank mechanism formed of connecting rod (5), lower crank (11) is 90 ° conical gear (13 by the minor axis and a pair of angle of cut, 14) link, upper cutter head connecting rod (23) the one end of a band adjusting nut (17) connects with the bent axle (15) of small conical gear (14), the other end connects the left end of upper cutter head, upper cutter head (25) matches with locating pin (19) by locating slot (18) with following tool rest (26) and contacts connection, and a flat spring (16) is housed on the locating pin.

2, rice threshing grain header according to claim 1 is characterized in that connecting firmly on the circular drum (31) 2～8 and arranges the threshing tooth (29) of symmetric arrangement, and optimal placement is 4 rows, and space 90 degree have retaining cloth between threshing tooth and rotating shaft.

3, rice threshing grain header according to claim 1 is characterized in that upper cutter head (25) upward connects firmly a spur rack (21) with screw, and the straight-tooth pinion (22) that is engaged with is coaxial fixing with one group of straw (20).

4, rice threshing grain header according to claim 1, it is characterized in that the rotating shaft (32) at threshing cylinder center, two ends are passed in the groove (38) that is supported on behind the through hole at cabinet middle part on the frame side frame, are positioned at the positioning hole (10) that is distributed with the jack connection hack lever on the frame frame of groove below.

5, rice threshing grain header according to claim 1, it is characterized in that the adjusting screw(rod) nut (36 of cabinet rake (34) by the top, 37) and frame link, one resistance standing grain tube (28) is arranged in the front portion of cabinet rake hypomere, and the rear portion is paddy case (8), but this paddy case rear aperture place dossal bag.

6, rice threshing grain header according to claim 1, it is characterized in that one mobilizable bag of poppet is made of the movable gusset (9) of front portion and the bag backing plate (4) at rear portion, the front and back end of this activity gusset divides in addition that backing plate is hinged links with paddy case and bag, on the rod member of bag backing plate, be associated with flexible strand, as belt.

7, rice threshing grain header according to claim 1 is characterized in that frame (35) has a flat rim plate (12), in the center, rear portion of this plate triangle grain separating rack (24) is arranged.