CN2392360Y - Axial-flow type rice-wheat straw shredding and leaving-in-field apparatus - Google Patents

Abstract

The utility model belongs to the device for carrying out treatment to wheat straws which are threshed. The casing of the utility model is fixed on a machine frame; one end of a fixed post is provided with an end head which can be fixedly connected with a rear frame at the straw outlt point of a combine harvester, and the other end is fixedly connected with the machine frame or the casing; a gear box body is fixed on a bottom frame of the machine frame; a main shaft is rotationally connected with the gear box body; a fan is fixed on the main shaft and is positioned between the bottom frame of the machine frame and a fixed knife holder; four fixed knives are fixed on the cruciform fixed knife holder; a moving knife assembly is fixed on the main shaft and is positioned above the fixed knives. After the utility model is used, a rotary tiller can turn the wheat straws into soil conveniently.

Description

Rice wheat straw bar axial-flow type mincing and returning to the field device

The utility model relates to a kind of device that rice wheat straw bar after the threshing is handled, and can be used as a kind of attachment device of rice/wheat combine.

Usually when the harvester for rice wheat, after rice/wheat combine was cut off also threshing with the rice wheat, the rice wheat straw bar of being cut off generally was to hold together shape and is placed in the piece of field.If desire is ploughed under rice wheat straw bar in the soil in rotary tillage with rotovator, because of straw length is longer, easily be wrapped on the rotary tillage cutter, so be difficult to make the rotovator operate as normal.If rice wheat straw bar is burned, then can pollute, and waste a large amount of organic fertilizer resources to atmosphere.

The purpose of this utility model is: provide a kind of back rotovator that uses can easily rice wheat straw bar be ploughed under rice wheat straw bar axial-flow type mincing and returning to the field device in the soil.

The technical scheme that realizes the utility model purpose is: this device has frame, casing, moving knife assembly, stationary knife, transmission mechanism, fan and anchor post; One end of anchor post is the termination that can be fixedly linked with combine grass outlet place after-frame, and the other end of anchor post is fixedlyed connected with frame or casing; Casing is a cylindrical body, is fixed on the frame; Frame is made of underframe that is positioned at the below and the cross tool fixing frame that is positioned at the top, and the centre of tool fixing frame is provided with spindle hole; The gear housing of transmission mechanism is fixed on the underframe and is positioned at the below of underframe; The main shaft and the gear housing of transmission mechanism are rotationally connected; Fan is fixed on the main shaft and between underframe and tool fixing frame; Stationary knife has 4, cutter hub vertically is provided with, the edge of a knife up, stationary knife is fixed on the cross tool fixing frame and is crossing distribution; The moving knife assembly is fixed on the main shaft and is positioned at the top of stationary knife, and the cutter hub of moving knife is horizontally disposed with; When moving knife moves to the corresponding position of stationary knife, leave the gap that effectively to cut between the edge of a knife.

Above-mentioned moving knife assembly is made up of 2 moving knife, movable knife disc and centrifugal cone female cap; 2 moving knife are the below that in-line is fixed on the movable knife disc and is positioned at movable knife disc, and the centrifugal cone female cap is fixed on the movable knife disc and is positioned at the top of movable knife disc; Be fixed with several pieces prerotation vanes of oblique setting on the barrel of casing.

Said machine casing can be divided into 3 sections by the shape difference, and its epimere is that up big and down small conic tube, stage casing is that up-small and down-big conic tube, hypomere is cylindrical tube; Prerotation vane has 4～10, is distributed on the up-small and down-big conic tube in casing stage casing.

When above-mentioned moving knife moved to the position relative with stationary knife, the gap between the edge of a knife of moving knife and the edge of a knife of stationary knife was 0.2～2 millimeter.

The said fixing pillar has 3, and wherein an end of 2 is oppositely arranged on the outside of the conic tube of casing epimere, and fixedlys connected with casing by securing member, and the other end of these 2 anchor posts is the terminations that can be fixedly linked with combine grass outlet place after-frame; One end of the 3rd anchor post is fixedlyed connected with the hypomere or the frame of casing, and the other end is the termination that can be fixedly linked with combine grass outlet place after-frame.

Above-mentioned transmission mechanism is made up of gear-box, main shaft, power input shaft, power input wheel, initiative taper generating gear and driven angular wheel; Power input shaft is rotationally connected by bearing and gear housing, and the power input shaft outer end is fixed with power input wheel, and the inner of power input shaft is fixed with the initiative taper generating gear; Main shaft is rotationally connected by bearing and gear housing, and driven angular wheel is fixed on the main shaft, and driven angular wheel is meshed with the initiative taper generating gear.

The utlity model has positive effect: when (1) this device uses, by frame be fixed on combine after-frame on, the charging aperture of this device is aimed at the straw discharge opening of combine.Along with the harvesting of grain header, straw is transported in this device by grain header.Through this device the short straw that rice wheat straw bar cuts, generated is sprayed onto the piece of field from discharging opening.Through stubble cleaner stubble-cleaning and rotovator farming, short straw is scattered in the ground surface soil again, helps the straw corruption and the generation organic manure.Both made full use of organic fertilizer resource, avoided again because of burning the pollution of straw to atmosphere.(2) the casing mid portion of this device is less, easily forms negative pressure in use, helps making the balloonflower root that enters this device to be cut by cutter downwards.(3) the centrifugal cone female cap is set above movable knife disc, can prevent that not only balloonflower root from dropping down onto movable knife disc and being piled up, and under the effect of centrifugal cone female cap, drop on balloonflower root on the centrifugal cone female cap under action of centrifugal force, the balloonflower root on bump next door, the balloonflower root that is hit the casing barrel under the effect of prerotation vane, moves downward again; Like this, most balloonflower roots are being cut by cutter near the casing place, the short balloonflower root that obtains after the cutting is under the effect of fan, along with advancing of combine evenly is sprayed onto in the piece of field.(3) rotating speed of this device main shaft can be set to per minute 1200～1500 changes, and this device stationary knife is 4, be cross setting and the edge of a knife upwards, moving knife has 2, be the in-line setting and the edge of a knife downward, this structure is when cutting balloonflower root, cutting efficiency is higher.

Drawing of the present utility model is described as follows:

Fig. 1 is a kind of profile schematic diagram of the present utility model.

Fig. 2 is the structural representation of casing inside among Fig. 1.

Fig. 3 is the schematic top plan view of Fig. 1.

Fig. 4 is the A-A cross-sectional schematic of Fig. 2.

Fig. 5 is the structural representation of transmission mechanism among Fig. 1, its apparent direction be Fig. 2 B to.

The utility model will be further described below in conjunction with drawings and Examples.

Embodiment 1,

See Fig. 1 to Fig. 3, this device has frame 1, casing 2, moving knife assembly 3, stationary knife 4, transmission mechanism 5, fan 6 and anchor post 7.

See Fig. 3 and Fig. 4, casing 2 is cylindrical bodies, is fixed on the frame 1; Casing 2 can be divided into 3 sections by the shape difference, and its epimere is that up big and down small conic tube 21, stage casing is that up-small and down-big conic tube 22, hypomere is cylindrical tube 23; Be evenly equipped with 6 oblique prerotation vanes 24 that are provided with on the barrel on the conic tube 22 in casing 2 stage casings.

See Fig. 1, anchor post 7 has 3, wherein an end of 2 is symmetricly set on the outside of the conic tube 21 of casing 2 epimeres, and fixedly connected with casing 2 at C1, C2 point place shown in Figure 3 by securing member, during use, the other end of these 2 anchor posts 7 and the upside tie-beam of combine grass outlet place after-frame be fixedly linked; One end of the 3rd anchor post 7 is fixedlyed connected with the cylindrical tube 23 of casing 2 hypomeres at C3 point place shown in Figure 4, during use, the downside tie-beam of the other end and combine grass outlet place after-frame is fixedly linked.Power input wheel 54 is a sprocket wheel, and the drive sprocket 8 that cooperates with the grain header output shaft is connected with sprocket wheel 54 by chain.

See Fig. 2 and Fig. 3, frame 1 is made of in-line underframe 11 that is positioned at the below and the cross tool fixing frame 12 that is positioned at the top, and the centre of tool fixing frame 12 is provided with the bearing block that is used for fixing taper roll bearing 59.

See Fig. 5, transmission mechanism 5 is made up of gear housing 51, main shaft 52, power input shaft 53, power input wheel 54, initiative taper generating gear 55 and driven angular wheel 56.Power input shaft 53 is rotationally connected with gear housing 51 by rolling bearing 571 and the rolling bearing 572 that is fixed on the gear housing 51.Power input shaft 53 outer ends are fixed with power input wheel 54, and the inner of power input shaft 53 is fixed with initiative taper generating gear 55.Main shaft 52 is by being fixed on rolling bearing 573 on the gear housing 51 and sliding bearing 58 and being rotationally connected with gear housing 51 and by being fixed on taper roll bearing 59 and frame 1 on the cross tool fixing frame 12 (see figure 2) that is rotationally connected.Driven angular wheel 56 is fixed on the main shaft 52, and driven angular wheel 56 is meshed with initiative taper generating gear 55.

See Fig. 2 to Fig. 4, the gear housing 51 of transmission mechanism 5 is fixed on the underframe 11 and is positioned at the below of underframe 11; Fan 6 is fixed on the main shaft 52 and between underframe 11 and tool fixing frame 12; Stationary knife 4 has that 4, cutter hub vertically are provided with, the edge of a knife up, stationary knife 4 is fixed on the cross tool fixing frame 12 and is crossing distribution.

See Fig. 2 and Fig. 3, moving knife assembly 3 is made up of 2 moving knife 31, movable knife disc 32 and centrifugal cone female cap 33.2 moving knife 31 are the below that in-line is fixed on the movable knife disc 32 and is positioned at movable knife disc 32, and the cutter hub of moving knife 31 is horizontally disposed with, and centrifugal cone female cap 33 is fixed on the movable knife disc 32 and is positioned at the top of movable knife disc 32.Moving knife assembly 3 is fixed on the main shaft 52 by its movable knife disc 32 and is positioned at the top of stationary knife 4; When moving knife 31 moved to stationary knife 4 corresponding positions, the gap between the edge of a knife was 0.2～1 millimeter.

Claims (6)

1, a kind of rice wheat straw bar axial-flow type mincing and returning to the field device is characterized in that: have frame (1), casing (2), moving knife assembly (3), stationary knife (4), transmission mechanism (5), fan (6) and anchor post (7); One end of anchor post (7) is the termination that can be fixedly linked with combine grass outlet place after-frame, and the other end of anchor post (7) is fixedlyed connected with frame (1) or casing (2); Casing (2) is a cylindrical body, is fixed on the frame (1); Cross tool fixing frame (12) formation of frame (1) and above being positioned at by the underframe (11) that is positioned at the below, the centre of tool fixing frame (12) is provided with spindle hole; The gear housing (51) of transmission mechanism (5) is fixed on the below that underframe (11) were gone up and be positioned to underframe (11); The main shaft of transmission mechanism (52) is rotationally connected with gear housing (51); Fan (6) is fixed on the main shaft (52) and is positioned between underframe (11) and the tool fixing frame (12); Stationary knife (4) has 4, cutter hub vertically is provided with, the edge of a knife up, stationary knife (4) is fixed on cross tool fixing frame (12) and goes up and be crossing distribution; Moving knife assembly (3) is fixed on the top that stationary knife (4) were gone up and be positioned to main shaft (52), and the cutter hub of moving knife (31) is horizontally disposed with; When moving knife (31) moves to the corresponding position of stationary knife (4), leave the gap that effectively to cut between the edge of a knife.

2, rice wheat straw bar axial-flow type mincing and returning to the field device according to claim 1, it is characterized in that: moving knife assembly (3) is made up of 2 moving knife (31), movable knife disc (32) and centrifugal cone female cap (33); 2 moving knife (31) are in-line and are fixed on the below that movable knife disc (32) were gone up and be positioned to movable knife disc (32), and centrifugal cone female cap (33) is fixed on the top that movable knife disc (32) were gone up and be positioned to movable knife disc (32); Be fixed with several pieces prerotation vanes (24) of oblique setting on the barrel of casing (2).

3, rice wheat straw bar axial-flow type mincing and returning to the field device according to claim 2, it is characterized in that: casing (2) can be divided into 3 sections by the shape difference, and its epimere is that up big and down small conic tube (21), stage casing is that up-small and down-big conic tube (22), hypomere is cylindrical tube (23); Prerotation vane (24) has 4～10, is distributed on the conic tube (22) in casing (2) stage casing.

4, rice wheat straw bar axial-flow type mincing and returning to the field device according to claim 3, it is characterized in that: when moving knife (31) moved to the position relative with stationary knife (4), the gap between the edge of a knife of the edge of a knife of moving knife (31) and stationary knife (4) was 0.2～2 millimeter.

5, rice wheat straw bar axial-flow type mincing and returning to the field device according to claim 3, it is characterized in that: anchor post (7) has 3, wherein an end of 2 is oppositely arranged on the outside of the conic tube (21) of casing (2) epimere, and fixedly connected with casing (2) by securing member, the other end of these 2 anchor posts (7) is the termination that can be fixedly linked with combine grass outlet place after-frame; One end of the 3rd anchor post (7) is fixedlyed connected with the hypomere or the frame (1) of casing (2), and the other end is the termination that can be fixedly linked with combine grass outlet place after-frame.

6, according to the described rice wheat straw of one of claim 1 to 5 bar axial-flow type mincing and returning to the field device, it is characterized in that: transmission mechanism (5) is made up of gear-box (51), main shaft (52), power input shaft (53), power input wheel (54), initiative taper generating gear (55) and driven angular wheel (56); Power input shaft (53) is rotationally connected by bearing and gear housing (51), and power input shaft (53) outer end is fixed with power input wheel (54), and the inner of power input shaft (53) is fixed with initiative taper generating gear (55); Main shaft (52) is rotationally connected by bearing and gear housing (51), and driven angular wheel (56) is fixed on the main shaft (52), and driven angular wheel (56) is meshed with initiative taper generating gear (55).

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