CN2238528Y

CN2238528Y - Pre-threshing type grain combine harvester

Info

Publication number: CN2238528Y
Application number: CN 95237951
Authority: CN
Inventors: 刘宇航
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-11-01
Filing date: 1995-11-01
Publication date: 1996-10-30
Anticipated expiration: 2005-11-01

Abstract

The utility model relates to a combine machine for pre-threshing before the cutting of stalks. In order to prevent the spatter loss and increase the harvest amount, the utility model discloses a pre-threshing type grain combine harvester which comprises a feeding anti-splash impeller arranged at the front upper part of a threshing cylinder, a grain collecting device which is arranged at the back upper part and is composed of a feeding wheel, a conveying belt, a scraper, a sieve, etc., and a stalk cutting device which is arranged at the back lower part and is composed of a movable tool apron, a cutter blade, a fixed knife-edge, an edge guarding hook, a stalk cutting claw, etc. The pre-threshing type grain combine harvester can be commonly used on the transport machine, and can also be provided with a walking part for special purpose. The utility model is suitable for various farmlands in each region of China, and is suitable for harvesting grain as well as harvesting pasture and water grass.

Description

Pre-threshing type grain combine device

The utility model relates to the combining machinery of the preceding threshing of a kind of straw cutting.

The cutting-after-threshing type grain header since during operation straw do not enter in the machine, so simple in structure, volume is little, and is in light weight, cost is low, suits especially in China's vast rural area use, number of patent application is that 88212635.0 front passing-out type paddy rice is cut off line and promptly belongs to this machinery.The formation of this machine comprises nearside divider, straw shift wheel, threshing cylinder, the tooth-like derivation wheel of bow, stirs wheel, hull etc., its weak point is: 1, the grain spatter loss is big, it derives wheel not only can not be as the said splashproof of this specification, and the bow tooth splashes generation once the contact grain ear; 2, foreign material do not separate, get rid of, and have both influenced the unobstructed of feed channel, have reduced the quality of harvested product yet, and, in hull, certainly will form local accumulation; 3, straw cutting is irregular, not thorough, its dextrorotation of deriving wheel to, be not that the straw after the threshing is extracted out from the bow tooth of threshing cylinder, derive wheel but straw is close to; Be in derive the wheel below laterally stir wheel, whole straw are entered stir wheel, and, entering the straw of stirring wheel can not be cut simultaneously, and cutting-height differs, and the straw that has is cut for several times, the cutting that has less than, and the cutting after straw disorderly and unsystematic, might stop up and stir wheel.

The purpose of this utility model is to overcome the weak point in the above-mentioned background technology and a kind of pre-threshing type grain combine device is provided, this device can be contained in generic transport machinery as on the tractor or on the power ship, also can establish special-purpose running gear, thereby be applicable to the various arable lands of China each department, both be suitable for gathering in cereal, also be suitable for gathering in herbage and fishing grass,

The purpose of this utility model realizes by taking following technical proposals;

1, establish feeding splashproof impeller 2 with its counter-rotating in the front upper place of threshing cylinder 3, this takes turns the uniform blade more than two, and blade is dull and stereotyped or the bow plate, the axis coplane that its plane or string face and this are taken turns or equidistantly.

2, establish the grain collecting mechanism in the back upper place of threshing cylinder 3, this mechanism comprises horizontal drawing-inroller 6, the traveling bed 7 that is driven by this wheel shaft, this with on scraper plate 8, with the chute feeder that conveyer belt 7 matches, the discharging opening 14 of this groove back lower place and the screen cloth 10 wherein and the pulling type supporting plate 15 of discharging opening 14 belows; Interrupted helical blade is arranged on the drawing-inroller 6.

3, between directive wheel 25 and supporting plate 16, establish the cutting straw expelling device of oblique setting, this device comprises the passive conical gear 22 of axle 21 and upper end thereof, this gear is meshed with active conical gear 23, and the latter is contained on the axle of a carrier by this device----Transport Machinery or the drive of running gear engine; This device comprises that also there is the seat board 30 of several big sawtooth the front side on axle 21 lower ends and the frame 9, the expansion sword hook 20 on each sawtooth stationary knife mouth 28, and seat board 30 tops are installed in moving knife seat 19 and the more than one straw expelling claw 18 on the axle 21 from bottom to up successively; Moving knife seat 19 is polygon or circular slab, and its edge is uniform several serrated blade 29, and straw expelling claw 18 has more than one uniform bar; The winding board 17 of on straw expelling claw 18 frame 9 nearby, setting up defences.

4, establish the link 12 that can be connected in frame 9 rear ends with Transport Machinery or running gear, this front end has the arc surface that matches with frame 9 rear ends, there are several its axis extended lines to intersect at the through hole in this center of circle on this face, several corresponding through holes are also arranged, so that connect, be shifted by several bolt pairs 11 on the arc surface of frame 9 rear ends; Between 2 in feeding splashproof impeller and 25 of directive wheels, establish the telescopic screw rod 4 of this diaxon of connection.

5, supporting plate 16 is located at the right back of directive wheel 25, need establishes corresponding steering mechanism for this reason, this mechanism comprises; Be installed in the turning-bar 13 on the link 12, the directive wheel connecting rod 24 and the supporting plate connecting rod pair 21 that are hinged with this bar.

6, nearside divider 27 be about each one.

7, establish the roller shape and derive wheel 26.

The utility model is compared background technology and is had following useful effect; 1, feeding splashproof impeller can be effectively hits to the drawing-inroller that is in the case with the grain that splashes etc., so can prevent spatter loss reliably; 2, the drawing-inroller in the grain collecting mechanism can be with the threshing of dell fringe, and screen cloth can make foreign material separate with grain, and grain can directly fall into container from discharging opening, and scraper plate can make outside the foreign material discharge machine, so feed channel can be unimpeded, and harvested product quality height; 3, the roller shape is derived to take turns and is rotated counterclockwise, can help the straw after the threshing to extract out from threshing cylinder, straw is after recovering erectility, all meet with the cutting straw expelling device, the moving knife seat can all cut off straw on identical height, straw after the cut-out is got rid of on one side by straw expelling claw immediately, piles up by the grain header in an orderly manner, so can cut straw neatly, up hill and dale.

Description of drawings: Fig. 1, pre-threshing type grain combine device front view; Fig. 2, cutting straw expelling device axial view; Fig. 3, steering mechanism's vertical view.

The utility model is done further narration below in conjunction with the accompanying drawing illustrated embodiment:

When this device operation, straw shift wheel 1 is rotated counterclockwise, cereal before the machine is dialled to the threshing cylinder 3 that turns clockwise, constantly cereal is fed threshing zone with the feeding splashproof impeller 2 of this cylinder counter-rotating, the grain that constantly will splash simultaneously etc. hits to and is in the drawing-inroller 6 that is rotated counterclockwise in the case 5, this interrupted helical blade of taking turns both had been sent to grain etc. the conveyer belt 7 of a side, also the little grain ear of breaking in the threshing course of part is taken off again, when the scraper plate 8 on the conveyer belt 7 that is rotated counterclockwise is constantly carried past discharging openings 14 such as grain, grain bleeds on screen cloth 10 in the container on the supporting plate 15, and foreign material then are sent outside the machine.

By the straw after the threshing under the help of deriving wheel 26, from the bow tooth of threshing cylinder 3, extract out, and resilience is an erectility, fill in immediately in several big sawtooth of seat board 30, and by the serrated blade 29 of high speed rotating at stationary knife mouth 28 and protect sword hook 20 places and cut off, straw after the cut-out is got rid of to grain header on one side by straw expelling claw 18 immediately, and pile is in the field in an orderly manner.

This height of devices can be regulated, the one, rotate frame 9 and move several bolt pairs 11 that are in frame 9 rear ends and link 12 junctions, significantly regulate, the 2nd, the length of the expansion link 4 that 2 in change connection feeding splashproof impeller and directive wheel are 25 is regulated by a small margin.

Because supporting plate 16 is located at the right back of directive wheel 25, can laterally promote turning-bar 13 when turning to,, make directive wheel 25 and supporting plate 16 rotate same angle by directive wheel connecting rod 24 and supporting plate connecting rod pair 31.

Claims

1, pre-threshing type grain combine device, comprise frame (9), nearside divider (27), straw shift wheel (1), threshing cylinder (3), roller shape derivation wheel (26), case (5), the directive wheel (25) in left side, the supporting plate (16) and the steering mechanism of right lateral side, it is characterized in that:

1.1 feeding splashproof impeller (2) is arranged in the front upper place of threshing cylinder (3);

1.2 there is the grain collecting mechanism back upper place at threshing cylinder (3), this mechanism comprises horizontal drawing-inroller (6), the traveling bed (7) that is driven by this wheel shaft, this with on scraper plate (8), and the chute feeder that matches of conveyer belt (7), the discharging opening of this groove back lower place (14) and screen cloth (10) wherein and the pulling type supporting plate (15) below the discharging opening (14); Drawing-inroller has interrupted helical blade on (6);

1.3 between directive wheel (25) and supporting plate (16), the cutting straw expelling device that oblique setting is arranged, this device comprises axle (21), the part that is connected with transmission mechanism that install its upper end, axle (21) lower end and frame (9) go up the seat board (30) that there are several big sawtooth the front side of installing, and install from bottom to up successively axle (21) bottom is polygon or circular tabular moving knife seat (19) and more than one straw expelling claw (18); All be equipped with on the stationary knife mouth (28) of each sawtooth of seat board (30) and protect sword hook (20), have severally uniform serrated blade (29) at moving knife seat (19) edge, straw expelling claw (18) has more than one uniform bar;

1.4 link (12) is arranged in frame (9) rear end, this front end has the arc surface that matches with frame (9) rear end, there are several its axis extended lines to intersect at the through hole in this center of circle on this face, several corresponding through holes are also arranged on the arc surface of frame (9) rear end, in the through hole of above-mentioned two parts, several bolt pairs (11) are arranged; Between feeding splashproof impeller (2) axle and directive wheel (25) axle, the telescopic screw rod (4) that connects this diaxon is arranged.

2, pre-threshing type grain combine device according to claim 1, it is characterized in that: described feeding splashproof impeller (2) has the uniform blade more than two, and blade is dull and stereotyped or the bow plate, its plane or string face and this wheel axis coplane or equidistant.

3, pre-threshing type grain combine device according to claim 2, it is characterized in that: the transmission mechanism of described cutting straw expelling device is a passive conical gear (22) and the active conical gear (23) that is meshed with it of axle (21) upper end, and the latter is contained on the axle that the engine of a carrier by this device----Transport Machinery or running gear drives.

4, pre-threshing type grain combine device according to claim 3 is characterized in that: on straw expelling claw (18) frame (9) nearby anti-winding board (17) is housed.

5, pre-threshing type grain combine device according to claim 4 is characterized in that: described steering mechanism comprises the turning-bar (13) that is installed on the link (12), the directive wheel connecting rod (24) and the supporting plate connecting rod pair (31) that are hinged with this bar.