CN110278759A - A front-mounted straw crushing and recycling device - Google Patents

Abstract

The invention discloses a front-mounted straw crushing and recycling device, comprising: a crushing and recycling shell, which includes a pair of side plates and a beam, the side plates are arranged opposite to each other at intervals, and the two ends of the beam are respectively fixed on the side plates On; the knife throwing shaft, which is rotatably supported between the side plates; a plurality of knife throwing knives, which are evenly arranged on the outer circumferential surface of the knife throwing shaft; fixed knives, which are arranged on the crushing recovery shell Inside the body; a horizontal shaft, which is parallel to the flail shaft, rotatably supported between the side plates; a plurality of elastic teeth, which are arranged on the horizontal shaft at intervals, and extend along the bottom of the flail shaft To the outside of the slinger shaft; the screw auger shaft, which is rotatably supported between the side plates; the fan, which is arranged on one side of the screw auger shaft; the driving mechanism, which drives the slinger at the same time The knife shaft and the screw auger shaft rotate; when working, the stalks pass through the elastic teeth, the throwing knife, the fixed knife and the auger screw shaft in sequence.

Description

A front-mounted straw crushing and recycling device

technical field

The invention relates to the field of agricultural machinery, in particular to a front-mounted straw crushing and recycling device.

Background technique

Most of the existing straw returning machines or straw crushing and recycling devices are attached to the rear of the tractor. When performing straw returning or recycling operations, the tractor will cause a certain amount of rolling to the straw, causing some of the straw to be crushed or even crushed into the soil. It will cause difficulty in picking up the straw returning to the field or recycling machines in the rear, a large amount of cutting tools into the soil, and excessive power consumption. At the same time, for ridge crops, it is easy to cause problems such as unclean picking of straw in the furrow, resulting in poor picking and crushing effect or recycled straw. Excessive soil content.

Contents of the invention

In order to solve the shortcomings of the current technology, the present invention provides a front-mounted straw crushing and recycling device, which completes the picking, crushing and recycling operations of the straw before the tractor crushes the straw, avoiding the tractor from crushing the straw, making the Part of the straw was crushed or even ground into the soil.

Another object of the present invention is to solve the problem that ridge crops are likely to cause unclean straw picking in furrows and improve the straw picking rate by using the profiling elastic tooth auxiliary picking device.

The technical solution provided by the present invention is: a front-mounted straw crushing and recycling device, comprising:

The pulverized recovery shell includes a pair of side plates and a beam, the side plates are arranged opposite to each other at intervals, and the two ends of the beam are respectively fixed on the side plates;

a flail shaft rotatably supported between said side plates;

A plurality of flailing knives, which are evenly arranged on the outer circumferential surface of the flailing knife shaft;

a fixed knife, which is arranged in the crushing and recycling shell;

a transverse axis, parallel to the flail axis, rotatably supported between the side plates;

a plurality of elastic teeth, which are arranged at intervals on the horizontal axis, and extend along the bottom of the flail shaft to the outside of the flail shaft;

an auger shaft rotatably supported between said side plates;

Fan, which is arranged on one side of the auger shaft;

A driving mechanism, which simultaneously drives the rotation of the knife-throwing shaft and the screw auger shaft;

Wherein, when the recovery device is working, the stalks to be recovered pass through the elastic teeth, the throwing knife and the fixed knife in turn, and after being crushed, the crushed straws are moved to the fan by the auger shaft. for recycling.

Preferably,

The crushed recycling shell also includes:

two plate-shaped steel materials, the two ends of which are respectively vertically fixed on both sides of the side plate;

A three-point suspension rod, which includes four connecting rods, one end of the connecting rod is respectively hinged to the beam, and the other end is hinged to one point at the same time, and is used to be hooked to the front end of the agricultural power machine;

Wherein, the beam is located above the plate-shaped steel, and the fixed knife is installed on the inner wall of the plate-shaped steel.

Preferably, it also includes:

a plurality of knife flail holders, which are evenly arranged on the outer circumferential surface of the knife flail shaft;

Wherein, the flail knife is hinged to the flail knife seat.

Preferably, it also includes:

One end of the tensioning device is detachably mounted on the outer side of the side plate, and the other end is fixedly connected to the two ends of the transverse shaft, so as to keep the front end of the elastic tooth under downward pressure.

Preferably, the drive mechanism also includes:

A hydraulic motor, which is arranged on the crushing recovery housing, has an output shaft;

A V-belt pulley of the hydraulic motor, which is coaxially fixed on the output shaft;

The V-belt pulley of the first pick-up and chopping shaft is coaxially fixed at one end of the knife-throwing shaft;

The first V-belt, which is sleeved on the V-pulley of the hydraulic motor and the V-pulley of the first picking and chopping shaft at the same time;

The second picking up and chopping shaft V-belt pulley is coaxially fixed on the other end of the shaft;

The V-belt pulley of the feeding mechanism is coaxially fixed on the shaft of the auger;

The second V-belt is sleeved on the V-pulley of the feeding mechanism and the V-pulley of the second picking and chopping shaft at the same time.

Preferably, it also includes:

Two profiling wheel connecting plates, which are symmetrically and detachably installed on the bottom of both ends of the side plate, and the installation position can be adjusted;

The profiling wheel, the two ends of which are rotatably supported on the profiling wheel connecting plate.

Preferably, it also includes:

Throwing the hub blade, which is sleeved on the spiral dragon shaft;

A fan casing, which is sleeved on the outside of the throwing hub blade, and accommodates the fan inside, and the fan casing has a blowing outlet perpendicular to the axis of the spiral dragon;

A draft tube communicates with the blowing outlet.

Preferably, it also includes:

The tension pulley is arranged between the V-belt pulley of the feeding mechanism and the V-belt pulley of the second picking and chopping shaft, and is used for tensioning the second V-belt, increasing the distance between the second V-belt and the second V-belt. The covering angle of the V-pulley of the feeding mechanism and the covering angle of the second V-belt and the second picking and shredding shaft V-pulley.

Preferably,

The flail includes:

A fixed block, one end of which is hinged to the knife holder;

The two blades are fixed on the other end of the fixed block and arranged in a V shape.

Beneficial effects of the present invention:

1) Arrange the straw crushing and recycling device in front of the tractor to complete the picking, crushing and recycling operations of the straw before the tractor crushes the straw, avoiding the tractor from crushing the straw, causing some of the straw to be crushed or even crushed into the soil. It will cause difficulties in picking up straw recycling machines at the rear, a large amount of cutting tools into the soil, and excessive power consumption;

2) Through the profiling elastic tooth auxiliary picking device, it can solve the problem that ridge crops are easy to cause dirty straw picking in furrows, and improve the straw picking rate.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the front-mounted straw crushing and recycling device of the present invention.

Fig. 2 is a schematic diagram of the shell structure of the front-mounted straw crushing and recycling device of the present invention.

Fig. 3 is a schematic structural diagram of the power transmission device of the present invention.

Fig. 4 is a schematic diagram of the profiling spring tooth structure of the present invention.

Fig. 5 is a schematic diagram of the arrangement of the tensioning device of the present invention.

Fig. 6 is a structural schematic diagram of the picking and shredding device of the present invention.

Fig. 7 is a structural schematic diagram of the flail knife of the present invention.

Fig. 8 is a schematic structural diagram of the feeding device of the present invention.

Fig. 9 is a structural schematic diagram of the profiling device of the present invention.

Fig. 10 is a schematic diagram of the working principle of the profiling spring teeth of the present invention.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

As shown in Figure 1, a front-mounted straw crushing and recycling device of the present invention includes a crushing and recycling machine housing 110, a power transmission device 120, a profiling spring tooth 130, a picking and chopping device 140, a feeding device 150, a profiling device 160.

As shown in Figures 2-8, the crushing and recycling housing 110 includes a pair of side plates 111 and a beam 113, the side plates 111 are arranged oppositely at intervals, and the two ends of the beam 113 are respectively fixed on the side plates 111; The shaft 141 is rotatably supported between the side plates 111; a plurality of flailing knives 143 are evenly arranged on the outer circumferential surface of the flailing knife shaft 141; the fixed knife 144 is arranged in the crushing recovery housing 110; The shaft 131 is parallel to the flail shaft 141 and is rotatably supported between the side plates 111; a plurality of elastic teeth 132 are arranged at intervals on the transverse shaft 131 and extend along the bottom of the flail shaft 141 To the outside of the blade shaft 141; the auger shaft 151 is rotatably supported between the side plates 111, and the auger shaft 151 is located behind the horizontal axis 131; the fan is arranged on the helical One side of the auger shaft 151; a driving mechanism, which simultaneously drives the rotation of the auger shaft and the auger shaft; when working, the stalks pass through the elastic teeth 132, the knives 143, and the fixed knives 144 in sequence and the auger shaft 151.

As shown in FIG. 2 , the housing 110 of the crushing and recycling machine includes a side plate 111 , a steel plate 112 , a beam 113 , and a three-point suspension rod 114 . The crushing and recycling machine shell 110 is welded by several side plates 111, plate-shaped steel materials 112 and beams 113, and the two ends of the two plate-shaped steel materials 112 are vertically fixed on both sides of the side plate 111; 114 is composed of a crossbeam 113 hinged to the crushing and recycling machine housing 110 through U-bolts, T-shaped fixings, and the like.

As shown in Figure 3, the power transmission device 120 includes: a hydraulic motor 121 is arranged on the crushing recovery housing 110 and has an output shaft; a hydraulic motor V pulley 122 is coaxially fixed on the output shaft; The V-pulley 123 of the chopping shaft is coaxially fixed at one end of the shaft 141; the first V-belt 128 is sleeved on the V-pulley 122 of the hydraulic motor and the V-pulley of the first pick-up and chopping shaft at the same time. 123; the second picking and chopping shaft V belt pulley 124 is coaxially fixed on the other end of the knife shaft 141; the feeding mechanism V belt pulley 125 is coaxially fixed on the screw auger shaft 151; the second The V-belt 127 is sleeved on the V-pulley 125 of the feeding mechanism and the V-pulley 124 of the second picking and shredding shaft at the same time. The tension pulley 126 is arranged between the V-belt pulley 125 of the feeding mechanism and the V-belt pulley 124 of the second picking and chopping shaft, and is used to make the second V-belt in a tensioned state, increasing the connection between the second V-belt and the second V-belt. The cladding angle of the V-belt pulley of the feeding mechanism and the V-belt pulley of the second picking and chopping shaft increases the frictional force and avoids slipping.

As shown in FIG. 4 , the profiling elastic tooth auxiliary picking device 130 includes: a transverse shaft 131 , elastic teeth 132 , and a tensioning device 133 . The horizontal shaft 131 is rotatably supported between the side plates 111 of the crushing and recycling machine housing 110 . The elastic teeth 132 are welded on the horizontal shaft 131 and arranged equidistantly according to the distance between the crop planting ridges, and there is no elastic teeth array at the middle ridge. The tensioning device 133 is arranged as shown in FIG. 5 , one end of the tensioning device 133 is arranged on both ends of the transverse shaft 131 , and the other end is fixed on the side plate, so that the front end of the elastic tooth 132 maintains a certain downward force.

As shown in FIGS. 6 and 7 , the picking and shredding device 140 includes: a knife throwing shaft 141 , a knife throwing knife seat 142 , a knife throwing 143 , and a fixed knife 144 . The swinging knife shaft 141 is rotatably supported between the side plates 111 of the shell 110 of the crushing and recycling machine. The flailing knife seat 142 is welded on the outer peripheral surface of the flailing knife shaft 141 with certain rules. The flail knife 143 is hinged on the flail knife seat 142 by bolts. The fixed knife 144 is fixed on the bottom of the plate-shaped steel material 112 of the crushing and recycling machine housing 110 through bolt connection, and is positioned at the rear of the knife shaft 141 .

As shown in FIG. 8 , the feeding device 150 includes an auger shaft 151 , a throwing hub blade 152 , a fan, a fan housing 153 , and a guide pipe 154 . The screw auger shaft 151 is rotatably supported between the side plates 111 of the crushing and recycling machine housing 110, the throwing hub blade 152 is sleeved on one end of the screw auger shaft 151, and the throwing fan casing 153 is welded to the crushing and recycling machine One side of the casing 111 is sleeved on the outside of the throwing hub blade 152 , and the inside of the fan casing 153 accommodates the fan, and is provided with a vertical blowing outlet, which is connected to the guide pipe 154 by bolts.

As shown in FIG. 9 , the profiling suppressing device 160 includes: a profiling wheel connecting plate 161 and a profiling wheel 162 . The profiling suppression device 160 is fixed between the side plates 111 of the pulverizer shell 110 through bolt connection, and the side plates 111 are processed with different bolt mounting holes for adjusting the working position of the profiling suppression device 160 . The profiling wheel 162 is rotatably supported by bearings and the like and between the profiling wheel connecting plate.

When working, the straw crushing and recovery device is hooked to the front end of the agricultural power machinery, and the hydraulic motor 121 is used as the power to drive the hydraulic motor V-pulley 122 to rotate, and the first V-belt drives the first picking and shredding shaft V-pulley 123 to rotate, and finally Drive the knife shaft 141 of picking up and chopping device 140 to rotate at a high speed. The swinging knife shaft 141 rotates at a high speed, and the swinging knife 143 arranged on the knife swinging shaft 141 moves in a posture perpendicular to the rotation axis of the knife swinging shaft 141 under the action of centrifugal force. As the agricultural machinery advances, the straw crushing and recycling device pushes, squeezes and bends the straw in the forward direction, and the straw that enters the bottom of the recycling machine is picked up by the picking and chopping device 140, as shown in Figure 10, and the straw attached to the surface of the furrow is broken It cannot be picked up by the throwing knife 143. Under the action of the elastic teeth 132 of the profiling elastic tooth auxiliary picking device 130 under the action of the tensioning device 133, the front end of the elastic teeth 132 is close to the surface of the furrow and enters between the ground surface and the fallen straw. Moving forward, the lodging straw is gradually lifted along the rising curved surface of the elastic teeth 132, and finally enters the picking range of the swinging knife 143. The swinging knife 143 contacts the straw and exerts a pushing force on the straw. The swinging knife 143 drives the straw to rotate in the crushing space , under the impact with the fixed knife 144, the straw is crushed and thrown to the feeding device 150 at the rear. So far, the crushing operation of straw is completed.

The knife shaft 141 drives the second picking and chopping shaft V belt pulley 124 to rotate, and drives the feeding mechanism V belt pulley 125 to rotate through the second V belt 127, finally driving the screw auger shaft 151 to rotate. The crushed stalks thrown by the picking and chopping device 140 from the front enter the range of motion of the auger, and the stalks are pushed to the right into the range of motion of the throwing hub blade 152. Under the impact and push of the throwing hub blade 152, the The blowing outlet in the vertical direction of the throwing fan housing 152 is discharged. Under the action of the wind, the broken straw passes through the guide pipe 154 and is blown into the straw recovery compartment mounted on the rear of the agricultural machinery to complete the straw recovery operation.

Although the embodiment of the present invention has been disclosed as above, it is not limited to the use listed in the specification and implementation, it can be applied to various fields suitable for the present invention, and it can be easily understood by those skilled in the art Therefore, the invention is not limited to the specific details and examples shown and described herein without departing from the general concept defined by the claims and their equivalents.

Claims (9)

1. a kind of forward type stalk crushes recyclable device characterized by comprising

Crush recycling shell comprising a pair of side plates and crossbeam, for the side sheet room every being oppositely arranged, the crossbeam both ends are solid respectively It is scheduled on the side plate；

Flail knife axis is rotatably supported between the side plate；

Multiple flail knives are uniformly arranged on the outer circumference surface of the flail knife axis；

Stationary knife, setting is in crushing recycling shell；

Horizontal axis is parallel to the flail knife axis, is rotatably supported between the side plate；

Multiple Elastic Teeths are arranged at intervals on the horizontal axis, and extend to the outer of the flail knife axis along flail knife axis bottom Side；

Screw auger axis is rotatably supported between the side plate；

Blower is arranged in screw auger axis side；

Driving mechanism drives the flail knife axis and the screw auger axis to rotate simultaneously；

Wherein, when the recyclable device works, stalk to be recycled successively passes through the Elastic Teeth, the flail knife and described fixed Smashed stalk is moved on at the blower by the screw auger axis recycle after crushed by knife.

2. forward type stalk according to claim 1 crushes recyclable device, which is characterized in that

Shell is recycled in the crushing further include:

Two boards structural section, both ends are respectively and vertically fixed at the two sides of the side plate；

Trifilar suspension rod piece comprising four connecting rods, one end of the connecting rod is hinged with the crossbeam respectively, and the other end is cut with scissors simultaneously It is connected to a bit, for being mounted on farm power machinery front end；

Wherein, the crossbeam is located above the template steel, and the stationary knife is mounted on the inner wall of the template steel.

3. forward type stalk according to claim 2 crushes recyclable device, which is characterized in that further include:

Multiple flail knife tool aprons are uniformly arranged on the outer circumference surface of the flail knife axis；

Wherein, the flail knife and the flail knife tool apron are hinged.

4. forward type stalk according to claim 3 crushes recyclable device, which is characterized in that further include:

Tensioning apparatus, one end are detachably arranged in the outside of the side plate, the fixed company in the both ends of the other end and the horizontal axis It connects, for making the front end of Elastic Teeth keep lower pressure.

5. forward type stalk according to claim 4 crushes recyclable device, which is characterized in that the driving mechanism is also wrapped It includes:

Hydraulic motor, setting have output shaft on crushing recycling shell；

Hydraulic motor V belt wheel, is coaxially installed on the output shaft；

First picking and chopping axis V belt wheel, is coaxially installed in one end of the flail knife axis；

First V band is set on the hydraulic motor V belt wheel and the first picking and chopping axis V belt wheel simultaneously；

Second picking and chopping axis V belt wheel, is coaxially installed in the other end of the flail knife axis；

Feeding mechanism V belt wheel is coaxially installed on the screw auger axis；

2nd V band is set on the feeding mechanism V belt wheel and the second picking and chopping axis V belt wheel simultaneously.

6. forward type stalk according to claim 5 crushes recyclable device, which is characterized in that further include:

Two contour wheel connecting plates are respectively symmetrically detachably arranged in the both ends bottom of the side plate, and installation site It is adjustable；

Contour wheel, both ends are rotatably supported on the contour wheel connecting plate.

7. forward type stalk according to claim 6 crushes recyclable device, which is characterized in that further include:

Wheel hub blade is raised in throwing, is set on the spiral dragon shaft；

Blower Housing is set in the throwing and raises outside wheel hub blade, and blower described in inner containment, the Blower Housing has and institute That states the perpendicular direction of spiral dragon shaft blows outlet；

Diversion pipe blows outlet with described.

8. forward type stalk according to claim 5 crushes recyclable device, which is characterized in that further include:

Tensioning wheel is arranged between the feeding mechanism V belt wheel and the second picking and chopping axis V belt wheel, for being tensioned The 2nd V band is stated, the wrap angle and the 2nd V band and described second of the 2nd V band and the feeding mechanism V belt wheel are increased The wrap angle of picking and chopping axis V belt wheel.

9. forward type stalk according to claim 5 crushes recyclable device, which is characterized in that

The flail knife includes:

Fixed block, one end and the flail knife tool apron are hinged；

Two blades, are fixed on the other end of the fixed block, and be in the shape of the letter V setting.