CN206713387U

CN206713387U - Multifunctional fertilizer applicator

Info

Publication number: CN206713387U
Application number: CN201720397235.8U
Authority: CN
Inventors: 汶栓锁; 邓军科; 薛云飞; 田野; 张永永; 邓超; 朱栓详; 岳军
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-04-15
Filing date: 2017-04-15
Publication date: 2017-12-08
Anticipated expiration: 2027-04-15

Abstract

A kind of Multifunctional fertilizer applicator is provided, including hopper box, hopper box bottom surface is provided with multiple discharging openings being arranged in a row, hopper box intracavity bottom rotational support has feeding to stir tooth axle, feeding is stirred on tooth axle and is provided with one group of pressure binder flat tooth with each discharging opening corresponding position even circumferential, the feeding of every group of pressure binder flat tooth both sides, which is stirred on tooth axle, is equipped with feeding helical teeth, hopper box bottom side is provided with the discharging quantity regulating device that the size of multiple discharging openings is adjusted simultaneously, and hopper box bottom opposite side is provided with the material mouth rapid-closing device for simultaneously closing off multiple discharging openings.The utility model can complete the uniform of application of graininess and powdered fertilizer, avoid fertilizer accumulated plugging discharging opening, ensure that fertilizer is uniformly fallen, the fertilizer discharge of discharging opening can also be changed according to demand, when fertilizer applicator turns around, timely multiple discharging openings can be simultaneously closed off by material mouth rapid-closing device, avoid fertilizer is lasting when fertilizer applicator turns around from falling, cause very big loss.

Description

Multifunctional fertilizer applicator

Technical field

A kind of the utility model category farming equipment technical field, and in particular to Multifunctional fertilizer applicator.

Background technology

In present agricultural planting operation process, typically before planting the phase, it is necessary to be ditched, sowed seeds using machine, simultaneously It is that kind of a plant is applied fertilizer to need to carry out fertilizer apparatus, and general fertilising process is that fertile ditch is outputed between field, while fertilizer is led Enter in ditch and fertilizer is buried to soil again.And with country development, land transformation, appropriate scale of operation mode are more and more common, Mechanization production has become the effective measures for improving farm efficiency and ensureing product yield, and such as rotary tillage of supporting agricultural machinery and implement is applied The products such as fertile ditching machine, rotary tillage furrowing machine also develop to maximization, Mobyneb direction.The structure of existing fertilizer apparatus is, In the anterior installation colter of support frame, fertilizing box is provided with the rear portion of colter, fertilising feed spool is provided with fertilizing box, fertilizing box connects Fertilising pipe is connect, when engine drives support frame to run forward, is ditched by colter, fertilising feed spool rotates manages to fertilising Fertilizer is delivered, fertilising pipe falls fertilizer and applied fertilizer.The shortcomings that fertilizer apparatus is, fertilising feed spool rotates fertilising of falling, for Granular fertilizer, this equipment can uniformly be completed to apply fertilizer, but for powdered fertilizer, the feeding of this rotation whereabouts It is easy for causing discharging opening accumulated plugging, fertilizer is difficult to quickly be scattered, and can not reach the effect of uniform of application, and existing Fertilizer applicator can not be turned around according to the size of the different demands regulated fertilization amount of crop when fertilizer applicator reaches field termination When, fertilizer discharging opening is in opening all the time, and such fertilizer constantly falls during tractor turns around, so can cause very It is big to waste, it is therefore necessary to propose to improve.

Utility model content

The technical problem that the utility model solves：A kind of Multifunctional fertilizer applicator is provided, the utility model is by forcing binder Flat tooth forces to push, and can realize uniform of application very well, is not only able to complete the uniform of application of granular fertilizers, can also complete powder The uniform of application of last shape fertilizer, fertilizer accumulated plugging discharging opening is avoided, fertilizer is uniformly fallen, ensured that fertilising is uniform, ensure Crop growth quality, the utility model can also need or plant the fertilizer of the demand change discharging opening of plant to flow out according to people Amount, makes fertilizer be reasonably and effectively used, and when fertilizer applicator, which reaches field termination, to be turned around, can pass through material mouth quick closedown Device timely simultaneously closes off multiple discharging openings, avoids fertilizer is lasting when fertilizer applicator turns around from falling, causes very big damage Lose.

The technical solution adopted in the utility model：Multifunctional fertilizer applicator, including hopper box, the hopper box bottom surface are provided with more The individual discharging opening being arranged in a row, the hopper box intracavity bottom rotational support have feeding to stir tooth axle, the feeding stir on tooth axle with Each discharging opening corresponding position even circumferential is provided with one group of pressure binder flat tooth, and the feeding of every group of pressure binder flat tooth both sides is stirred Feeding helical teeth is equipped with tooth axle, the feeding is stirred tooth axle one end and connected by the rear power output of transmission device and tractor, The hopper box bottom side is provided with the discharging quantity regulating device that the size of multiple discharging openings can be adjusted simultaneously, described Hopper box bottom opposite side is provided with the material mouth rapid-closing device that can simultaneously close off multiple discharging openings.

Wherein, the feeding stirs tooth axle and includes central support shaft and stir tooth pipe axle, and the tooth pipe sleeve that stirs is in central supported Outside axle and it is secured to connect, the pressure binder flat tooth described in each group is fixed on the appearance for stirring tooth pipe axle and discharging opening corresponding position On face, every group of pressure binder flat tooth is to be fixed on to stir multiple flat tooths on tooth pipe axle surface and combine by even circumferential, described flat For tooth with stirring tooth pipe axle diameter parallel, the stirring on tooth pipe axle for every group of pressure binder flat tooth both sides is equipped with multigroup feeding helical teeth, Multigroup feeding helical teeth of every group of pressure binder flat tooth both sides is symmetrically arranged, and every group of feeding helical teeth is equal by circumference Even to be fixed on the multiple helical teeth combination for stirring tooth pipe axle surface, the helical teeth and the angle for stirring tooth pipe axle axis are 30 °~45 °.

Further, 6 flat tooths are provided with every group of pressure binder flat tooth, 3 are provided with every group of feeding helical teeth Helical teeth.

Further, the hopper box both sides external bottom is fixed with bearing block, and the feeding is stirred tooth axle both ends and passed through Bearing is rotatably supported in bearing block corresponding to hopper box both sides.

Wherein, the discharging quantity regulating device includes adjusting screw rod, and the hopper box bottom side both ends are respectively and fixedly provided with branch Stay tube I, for adjusting screw rod both ends movable supporting in support tube I, described adjusting screw rod one end has been connected through a screw thread regulation Nut, the adjusting screw rod can be moved axially by the rotation of adjusting nut, and the adjusting nut is provided with regulation hand handle, Being equipped with each discharging opening of the hopper box can move and to change discharging opening big with the axial movement of adjusting screw rod Small discharging opening size adjustable plate, the discharging opening size adjustable plate are fixedly connected by connecting plate I with adjusting screw rod.

The material mouth rapid-closing device includes control stick, extension spring and bracing wire, and the hopper box bottom opposite side both ends are equal Support tube II is fixed with, for control stick both ends movable supporting in support tube II, hopper box one is fixed in described extension spring one end To hold on outer wall, the extension spring other end is fixedly connected with control stick one end, and the hopper box other end outer wall is provided with guide plate, Described bracing wire one end is fixedly connected with the control stick other end, and the bracing wire other end is passed through in the driver's cabin of guide plate and tractor Manipulating handgrip connection, the manipulating handgrip in the tractor driving room is nearby provided with stop device, the hopper box it is each go out Discharging opening quick closedown plate is equipped with material mouth, the discharging opening quick closedown plate is fixed by connecting plate II and control stick to be connected Connect.

It is made of to use 304 stainless steels that tooth axle is stirred in the hopper box and feeding.

Further, the transmission device includes the gearbox for being fixed on hopper box side, and the transmission input leads to The rear power output for crossing power transmission shaft and tractor connects, and the gear box output end is provided with drive sprocket I, and tooth is stirred in the feeding Axle one end is provided with passive chain wheel I, and the drive sprocket I is connected by chain I with passive chain wheel I.

The utility model compared with prior art the advantages of：

1st, feeding stirs tooth axle in hopper box intracavity bottom rotational support in this programme, feeding is stirred on tooth axle and discharged with each Mouthful corresponding position even circumferential is provided with one group of pressure binder flat tooth, the feedings of every group of pressure binder flat tooth both sides stir tooth axle provided with Symmetrical feeding helical teeth centered on pressure binder flat tooth, when the rotation of tooth axle is stirred in feeding, every group of pressure binder flat tooth both sides feeding is oblique Tooth nearby transfers the fertilizer in hopper box to corresponding pressure binder flat tooth, then forces the flat tooth of binder flat tooth with rotation Fertilizer is forced to push to the discharging opening immediately below it, uniform of application can be realized very well, be not only able to complete granular fertilizers Uniform of application, can also complete the uniform of application of powdered fertilizer, this rotation, which pushes, forces feeding fertilizer can be avoided to accumulate Discharging opening is blocked, fertilizer is uniformly fallen, ensures that fertilising is uniform, ensures crop growth quality；

2nd, the quantity regulating device that discharges corresponding with multiple discharging openings, load are provided with hopper box bottom side in this programme The size of multiple discharging openings can be adjusted simultaneously for adjusting means, and the demand that can need or plant plant according to people changes The fertilizer discharge of discharging opening, makes fertilizer be reasonably and effectively used, and effectively controls Fertilizer application cost；

3rd, material mouth rapid-closing device is provided with hopper box bottom opposite side in this programme, material mouth rapid-closing device can Multiple discharging openings are simultaneously closed off in time, when fertilizer applicator, which reaches field termination, to be turned around, material mouth quick closedown can be passed through Device timely simultaneously closes off multiple discharging openings, avoids fertilizer from persistently being fallen when fertilizer applicator turns around, and causes very big loss；

4th, hopper box and feeding are stirred tooth axle and are made of 304 stainless steels in this programme, and 304 stainless steels are one kind in air In or chemical attack medium in can support erosion-resisting high-alloy steel, can ensure that the utility model is durable, resist the corruption of fertilizer Erosion, improve service life.

Brief description of the drawings

Fig. 1 is structure top view of the present utility model；

Fig. 2 is structure left view of the present utility model；

Fig. 3 is the structural front view that tooth axle is stirred in feeding in the utility model；

Fig. 4 is that tooth axle construction left view is stirred in feeding in the utility model；

Fig. 5 is the utility model elevated bottom perspective structural representation；

Fig. 6 is the structural front view that the utility model is used in combination with rotary cultivator；

Fig. 7 is the structure top view that the utility model is used in combination with rotary cultivator.

Embodiment

1-7 describes embodiment of the present utility model below in conjunction with the accompanying drawings.

Multifunctional fertilizer applicator, including hopper box 1, it can be installed on as shown in figure 5, the bottom both ends of the hopper box 1 are provided with Connecting seat 3 on cooperating equipment, the bottom surface of hopper box 1 is provided with multiple discharging openings 2 being arranged in a row, as shown in figure 1, the material The bucket intracavity bottom rotational support of case 1 has feeding to stir tooth axle 4, specifically, the both sides external bottom of the hopper box 1 is fixed with bearing block 42, the feeding is stirred the both ends of tooth axle 4 and is rotatably supported in by bearing 43 in bearing block 42 corresponding to the both sides of hopper box 1.Such as Fig. 1 Shown, the feeding is stirred and is provided with one group of pressure binder flat tooth 7 on tooth axle 4 with each corresponding position even circumferential of discharging opening 2, described every Group forces the feeding of the both sides of binder flat tooth 7 to be stirred on tooth axle 4 and is equipped with feeding helical teeth 8, specifically, as shown in figure 3, the feeding is stirred Tooth axle 4 includes central support shaft 5 and stirs tooth pipe axle 6, and the tooth pipe axle 6 that stirs is enclosed on the outside of central support shaft 5 and the company of being secured to Connect, the pressure binder flat tooth 7 described in each group, which is fixed on, to be stirred on the outer surface of tooth pipe axle 6 and the corresponding position of discharging opening 2, described every group strong Binder flat tooth 7 processed is to be fixed on to stir multiple flat tooths 9 on the surface of tooth pipe axle 6 and combine by even circumferential, as shown in Figures 3 and 4, described flat Tooth 9 and stir the diameter parallel of tooth pipe axle 6, it is oblique that the stirring on tooth pipe axle 6 of the both sides of every group of pressure binder flat tooth 7 is equipped with multigroup feeding Tooth 8, multigroup feeding helical teeth 8 of the both sides of every group of pressure binder flat tooth 7 are symmetrically arranged, and every group of feeding helical teeth 8 is It is fixed on by even circumferential and stirs multiple helical teeth 10 on the surface of tooth pipe axle 6 and combine, the helical teeth 10 and the angle for stirring the axis of tooth pipe axle 6 For 30 °~45 °.Preferably, 6 flat tooths 9 are provided with every group of pressure binder flat tooth 7, are provided with every group of feeding helical teeth 8 3 helical teeth 10.

Preferably, it is made of to use 304 stainless steels that tooth axle 4 is stirred in the hopper box 1 and feeding, and 304 stainless steels are a kind of Erosion-resisting high-alloy steel can be supported in atmosphere or in chemical attack medium, can ensure that the utility model is durable, resists fertilizer The corrosion of material, improve service life.

The feeding is stirred the one end of tooth axle 4 and is connected by transmission device 30 with the rear power output of tractor 29, the transmission Device 30 includes the gearbox 31 for being fixed on the side of hopper box 1, and the input of gearbox 31 passes through power transmission shaft 35 and tractor 29 rear power output connection, the output end of gearbox 31 are provided with drive sprocket I 32, and the feeding is stirred the one end of tooth axle 4 and set There is passive chain wheel I 34, the drive sprocket I 32 is connected by chain I 33 with passive chain wheel I 34.When by the utility model with rotation When ploughing the combined use of machine 41, feeding is stirred tooth axle 4 and is connected as shown in Figures 6 and 7 with the rear power output of tractor 29, the tractor 29 rear power output is connected by power transmission shaft 35 and shaft coupling 36 with the input of speed transmission for rotary tillage machine 40, the rotary cultivator speed change Device 40 is provided with drive sprocket II 37, and the input of the gearbox 31 is provided with passive chain wheel II 39, the drive sprocket II 37 are connected simultaneously driver by chain II 38 with passive chain wheel II 39 rotates, and then the output end of gearbox 31 passes through drive sprocket again The passive chain wheel I 34 that the one end of tooth axle 4 is stirred in I 32 driving feedings rotates, while feeding is stirred tooth axle 4 and rotated.

The bottom side of hopper box 1 is provided with the load that the size of multiple discharging openings 2 can be adjusted simultaneously and adjusted Regulating device 11, specifically, as shown in figures 2 and 5, the discharging quantity regulating device 11 includes adjusting screw rod 12, the bottom of hopper box 1 Portion side both ends are respectively and fixedly provided with support tube I 13, and the both ends movable supporting of adjusting screw rod 12 is in support tube I 13, the regulation The one end of screw rod 12 has been connected through a screw thread adjusting nut 14, and the adjusting screw rod 12 can be by the rotation of adjusting nut 14 and axle To movement, the adjusting nut 14 is provided with regulation hand handle 15, and being equipped with each discharging opening 2 of the hopper box 1 can be with The axial movement of adjusting screw rod 12 and move and change the discharging opening size adjustable plate 17 of the size of discharging opening 2, the discharging opening 2 Side is provided with strip gap 18, and the discharging opening size adjustable plate 17 can cover discharging opening 2 through strip gap 18, it is described go out Material mouth size adjustable plate 17 is fixedly connected by connecting plate I 16 with adjusting screw rod 12.

The bottom opposite side of hopper box 1 is provided with the material mouth rapid-closing device that can simultaneously close off multiple discharging openings 2 19, specifically, such as, shown in 2 and 5, the material mouth rapid-closing device 19 includes control stick 20, extension spring 24 and bracing wire 25, described The bottom opposite side both ends of hopper box 1 are respectively and fixedly provided with support tube II 21, and the both ends movable supporting of control stick 20 is in support tube II 21 In, described one end of extension spring 24 is fixed on one end outer wall of hopper box 1, and the other end of extension spring 24 is fixed with the one end of control stick 20 to be connected Connect, the effect of extension spring 24 can return control stick 20.The other end outer wall of hopper box 1 is provided with guide plate 26, the drawing The one end of line 25 is fixedly connected with the other end of control stick 20, driving of the other end of bracing wire 25 through guide plate 26 and tractor 29 Indoor manipulating handgrip 27 connects, and the manipulating handgrip 27 in the driver's cabin of tractor 29 is nearby provided with stop device 28, the material Discharging opening quick closedown plate 23 is equipped with each discharging opening 2 of bucket case 1, the discharging opening quick closedown plate 23 passes through connecting plate II 22 are fixedly connected with control stick 20.

During utility model works, illustrated as shown in fig. 6, being used in combination with the utility model with rotary cultivator 41.Open Dynamic tractor 29, the rear power output of tractor 29 drive the input of speed transmission for rotary tillage machine 40 to rotate by power transmission shaft 35, actively Chain wheel II 37 rotates and drives the passive chain wheel II 39 of the input of gearbox 31 to rotate by chain II 38, the output end of gearbox 31 Drive sprocket I 32 rotate and drive feeding to stir the passive chain wheel I 34 of the one end of tooth axle 4 by chain I 33, so as to which tooth axle is stirred in feeding 4 rotate.When feeding is stirred tooth axle 4 and rotated, the feeding helical teeth 8 of every group of both sides of pressure binder flat tooth 7 is by the fertilizer in hopper box 1 to right The pressure binder flat tooth 7 answered nearby transfers, and then forces the flat tooth 9 of binder flat tooth 7 with rotating fertilizer to immediately below it Discharging opening 2 is forced to push, and can be good at making fertilizer even drop down, this structure is not only able to complete the uniform of granular fertilizers Fertilising, the uniform of application of powdered fertilizer can be also completed, this rotation, which pushes, forces feeding that fertilizer accumulated plugging can be avoided to go out Material mouth, fertilizer is uniformly fallen, ensure that fertilising is uniform, ensure crop growth quality.

When needing that the size of multiple discharging openings 2 is adjusted, regulation hand handle 15 is held, is rotated by adjusting hand handle 15 Adjusting nut 14, because adjusting nut 14 is connected by screw thread with adjusting screw rod 12, it can be converted so adjusting nut 14 rotates Into the axial movement of adjusting screw rod 12, the axial movement of adjusting screw rod 12 can drive the discharging opening size on each discharging opening 2 Adjustable plate 17 moves, and so as to control the size of discharging opening 2, this makes it possible to the demand for being needed according to people or plant plant to change Become the fertilizer discharge of discharging opening 2, fertilizer is reasonably and effectively used, effectively control Fertilizer application cost.

When fertilizer applicator reach field termination turned around when, can by material mouth rapid-closing device 19 timely by it is multiple go out Material mouth 2 simultaneously closes off, and avoids fertilizer is lasting when fertilizer applicator turns around from falling, causes very big loss.Concrete operations are as follows, department Manipulating handgrip 27 in the manually operated driver's cabin of tractor 29 of machine, bracing wire 25 being pulled, bracing wire 25 pulls control stick 20 quickly to move, Control stick 20 is moved and drives discharging opening quick closedown plate 23 to move and closes each discharging opening 2 in time, and control stick 20 is drawn simultaneously Extension spring 24 is stretched, to prevent manipulating handgrip 27 is inverse from returning, manipulating handgrip 27 can be controlled by stop device 28.When fertilizer applicator turns around When finishing and starting fertilising, cancel control of the stop device 28 to manipulating handgrip 27, extension spring 24, which is shunk, pulls control stick 20 to return it Return, control stick 20 moves and drives discharging opening quick closedown plate 23 to move and opens each discharging opening 2, is applied fertilizer.

Above-described embodiment, simply preferred embodiment of the present utility model, not it is used for limiting the utility model practical range, Therefore all equivalence changes done with content described in the utility model claims, the utility model claims model all should be included in Within enclosing.

Claims

1. Multifunctional fertilizer applicator, including hopper box (1), it is characterised in that：Hopper box (1) bottom surface is provided with multiple be arranged in a row Discharging opening (2), hopper box (1) the intracavity bottom rotational support has feeding to stir tooth axle (4), and the feeding is stirred on tooth axle (4) One group of pressure binder flat tooth (7), every group of pressure binder flat tooth (7) are provided with each discharging opening (2) corresponding position even circumferential The feeding of both sides, which is stirred on tooth axle (4), is equipped with feeding helical teeth (8), and the feeding stirs tooth axle (4) one end and passes through transmission device (30) It is connected with the rear power output of tractor (29), hopper box (1) bottom side is provided with can be to the big of multiple discharging openings (2) Discharging quantity regulating device (11) small while being adjusted, hopper box (1) bottom opposite side is provided with can be by multiple dischargings The material mouth rapid-closing device (19) that mouth (2) simultaneously closes off.

2. Multifunctional fertilizer applicator according to claim 1, it is characterised in that：Tooth axle (4) is stirred in the feeding includes center branch Support axle (5) and stir tooth pipe axle (6), the tooth pipe axle (6) that stirs is enclosed on central support shaft (5) outside and is secured to connect, each group Described pressure binder flat tooth (7), which is fixed on, to be stirred on the outer surface of tooth pipe axle (6) and discharging opening (2) corresponding position, described every group strong Binder flat tooth (7) processed is fixed on by even circumferential stirs multiple flat tooths (9) on tooth pipe axle (6) surface and forms, the flat tooth (9) with Tooth pipe axle (6) diameter parallel is stirred, stirring on tooth pipe axle (6) for every group of pressure binder flat tooth (7) both sides is equipped with multigroup feeding Helical teeth (8), multigroup feeding helical teeth (8) of every group of pressure binder flat tooth (7) both sides are symmetrically arranged, every group of feeding Helical teeth (8) is that multiple helical teeth (10) combination for stirring tooth pipe axle (6) surface is fixed on by even circumferential, and the helical teeth (10) is with stirring tooth The angle of pipe axle (6) axis is 30 °~45 °.

3. Multifunctional fertilizer applicator according to claim 2, it is characterised in that：Set in every group of pressure binder flat tooth (7) There are 6 flat tooths (9), 3 helical teeth (10) are provided with every group of feeding helical teeth (8).

4. according to the Multifunctional fertilizer applicator described in claim 1,2 or 3, it is characterised in that：Under hopper box (1) both sides external Portion is fixed with bearing block (42), and the feeding stirs tooth axle (4) both ends and is rotatably supported in hopper box (1) both sides by bearing (43) In corresponding bearing block (42).

5. Multifunctional fertilizer applicator according to claim 1, it is characterised in that：The discharging quantity regulating device (11) includes adjusting Screw rod (12) is saved, hopper box (1) the bottom side both ends are respectively and fixedly provided with support tube I (13), adjusting screw rod (12) both ends For movable supporting in support tube I (13), described adjusting screw rod (12) one end has been connected through a screw thread adjusting nut (14), the tune Section screw rod (12) can be moved axially by the rotation of adjusting nut (14), and the adjusting nut (14) is provided with regulation hand handle (15), being equipped with each discharging opening (2) of the hopper box (1) can move with the axial movement of adjusting screw rod (12) And changing the discharging opening size adjustable plate (17) of discharging opening (2) size, the discharging opening size adjustable plate (17) passes through connecting plate I (16) it is fixedly connected with adjusting screw rod (12).

6. Multifunctional fertilizer applicator according to claim 1, it is characterised in that：The material mouth rapid-closing device (19) includes Control stick (20), extension spring (24) and bracing wire (25), hopper box (1) the bottom opposite side both ends are respectively and fixedly provided with support tube II (21), for control stick (20) the both ends movable supporting in support tube II (21), hopper box is fixed in described extension spring (24) one end (1) on the outer wall of one end, extension spring (24) other end is fixedly connected with control stick (20) one end, hopper box (1) other end Outer wall is provided with guide plate (26), and described bracing wire (25) one end is fixedly connected with control stick (20) other end, the bracing wire (25) The other end is connected through guide plate (26) with the manipulating handgrip (27) in the driver's cabin of tractor (29), and the tractor (29) is driven The manipulating handgrip (27) for sailing interior is nearby provided with stop device (28), is equipped with out on each discharging opening (2) of the hopper box (1) Material mouth quick closedown plate (23), the discharging opening quick closedown plate (23) connect by the way that connecting plate II (22) and control stick (20) are fixed Connect.

7. according to the Multifunctional fertilizer applicator described in claim 1,2,3,5 or 6, it is characterised in that：The hopper box (1) and feeding It is made of to use 304 stainless steels to stir tooth axle (4).

8. Multifunctional fertilizer applicator according to claim 7, it is characterised in that：The transmission device (30) includes being fixed on material The gearbox (31) of bucket case (1) side, gearbox (31) input are moved by power transmission shaft (35) and the rear of tractor (29) Power output connection, gearbox (31) output end are provided with drive sprocket I (32), and the feeding is stirred tooth axle (4) one end and is provided with Passive chain wheel I (34), the drive sprocket I (32) are connected by chain I (33) with passive chain wheel I (34).