CN201591015U

CN201591015U - Low crop harvester

Info

Publication number: CN201591015U
Application number: CN200920298023XU
Authority: CN
Inventors: 殷文亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-12-24
Filing date: 2009-12-24
Publication date: 2010-09-29
Anticipated expiration: 2019-12-24

Abstract

The utility model relates to a low crop harvester which is characterized by comprising a machine shell, a cutting mechanism, a feeding belt, a power device and an eccentric wheel mechanism, wherein the cutting mechanism is installed at the front end of the machine shell; an eccentric wheel of the eccentric wheel mechanism is connected with a power output end of the power device arranged on the machine shell in a transmission way; the machine shell is provided with a plurality of belt pulleys which are vertical to the axial direction, wherein one of the belt pulleys is connected with the power device in a transmission way; the plurality of belt pulleys are provided with the loop-locked feeding belt, and one section of the feeding belt corresponds to the rear side above the cutting mechanism; and an armrest and a wheel are respectively installed at the rear end and the lower part of the machine shell. The low crop harvester has the advantages of being simple in structure, small and attractive in appearance, simple in operation, safe, reliable and convenient for carrying, greatly lightening the labor intensity and improving the production efficiency.

Description

Short crop cropper

Technical field

The utility model relates to a kind of short crop cropper, is mainly used in harvestings such as short crops such as leek, blanched garlic leaves and fennels in a row or in heaps.

Background technology

Short proportion of crop plantings such as the large-area leek of China, blanched garlic leaves and fennel all adopt manual harvesting at present, and labour intensity is big, and production efficiency is very low.

Summary of the invention

The purpose of this utility model just provides a kind of short crop cropper, and the labour intensity that exists with the manual harvesting of solution prior art is big, the problem that production efficiency is low.

The technical solution of the utility model is: comprise casing, cutting mechanism, feeding belt, power set and eccentric mechanism, cutting mechanism is installed in the front end of casing; The camshaft of this eccentric mechanism is in transmission connection with the clutch end that is installed in the power set above the casing; The belt pulley of several vertical axials is housed on described casing, one of them this belt pulley and described power set are in transmission connection, the feeding belt of closed loop is housed on several these belt pulleys, and one section back with described cutting mechanism top of this feeding belt is corresponding; The rear end of described casing and below handrail and wheel are housed respectively.

Described cutting mechanism is by overlapping composition the about moving knife and the stationary knife, and this moving knife and stationary knife are made by the steel board that the front has sawtooth, fixedlys connected with the front end of described casing in the rear end of this stationary knife; Described eccentric mechanism is two and is symmetrical set, each this eccentric mechanism is made of eccentric wheel, eccentric shaft and described camshaft, camshaft vertically is installed on the cover plate on this casing top rotationally, the lower end of this camshaft is connected with eccentric center, is rotationally connected by eccentric shaft and described moving knife at this eccentric eccentric part; The camshaft of this eccentric mechanism is as line shaft, and its upper end is in transmission connection with described power set, and a described belt pulley is installed in the camshaft upper end of another this eccentric mechanism.

End at described cutting mechanism is equipped with the branch stack device, stack device comprised vertical shaft, divides the heap bar and divided the heap driving mechanism this minute, a plurality of branches heaps bars radially are uniformly distributed along the circumference, and are rotatably connected on the top of this vertical shaft, the lower end of this vertical shaft be fixed on described casing above; This branch heap driving mechanism comprises tower drive pulley, driving belt, tower driven pulley, driving lever and transmission driving lever, tower drive pulley and tower driven pulley the axle the lower end be fixed on described casing above, the part belt grooves and the described feeding belt of this tower drive pulley are in transmission connection, between this tower drive pulley and tower driven pulley, connect driving belt, on this tower driven pulley, connect driving lever, between this driving lever and described branch heap bar, the transmission driving lever is installed, the middle part of transmission driving lever is rotatably connected on the pole, the lower end of this pole be fixed on described casing above; On described transmission driving lever, resetting-mechanism is housed.

Described resetting-mechanism comprises spring and limited block, and spring is connected between the lower end of described casing or pole and transmission driving lever, and limited block is fixed on described casing or the pole, and is positioned at the next door of this transmission driving lever lower end.

Described resetting-mechanism comprises torsion spring and limited block, and torsion spring is installed in the rotary part at described transmission driving lever middle part, and limited block is fixed on described casing or the pole, and is positioned at the next door of this transmission driving lever lower end.

Described handrail is made of two joint butt joints, is hinged by bearing pin on the butt end of handrail, is provided with the dowel hole of mutual correspondence below this butt end, and is furnished with the alignment pin that can insert this dowel hole.

Described power set are petrol engine or dc motor.

The utility model has the advantages that: simple in structure, profile small and exquisite attractive in appearance, simple to operate, safe and reliable, be easy to carry, greatly reduce labour intensity, improved production efficiency.

Description of drawings

Fig. 1 is a general structure vertical view of the present utility model;

Fig. 2 is the A-A cutaway view of Fig. 1;

Fig. 3 is the B-B cutaway view of Fig. 2;

Fig. 4 is the vertical view of Fig. 3;

Fig. 5 is the enlarged drawing of Fig. 2 bottom;

Fig. 6 is that the P of Fig. 3 is to view.

Description of reference numerals: 1-gasoline engine or dc motor 2-feeding belt 3-moving knife 4-stationary knife 5-divide stack device 51-vertical shaft 52-to divide the tower driven pulley 17-of heap bar 53-bearing 6-casing (little car body) 7-handrail 8-eccentric wheel 9-eccentric shaft 10-camshaft 11-belt pulley 12-wheel 13-eccentric shaft bearing 14-tower drive pulley 15-driving belt 16-driving lever 18-transmission driving lever 19-pole 20-limited block 21-spring.

Embodiment

Referring to Fig. 1～Fig. 5, the utility model comprises casing 6, cutting mechanism, feeding belt 2, petrol engine 1 and eccentric mechanism.In the rear end of described casing 6 handrail 7 is housed, two wheels 12 respectively are equipped with on the front portion below described casing 6 and the both sides of rear end, constitute the device of a similar dolly.

Described cutting mechanism is made up of moving knife 3 and stationary knife 4, and this moving knife 3 and stationary knife 4 are made by the steel board that the front has sawtooth, fixedlys connected with the front end of described casing 6 in the rear end of this stationary knife 4, this moving knife 3 be located at slidably stationary knife 4 above.At moving knife 3 and stationary knife 4 plating zinc on surface or plastic-blasting.

The belt pulley 11 that four vertical axials are housed on the cover plate of described casing 6 (is respectively established one about the casing front end, camshaft 10 ' the upper end on the right has one, establish one at the middle part of casing 6), on four these belt pulleys 11 around the feeding belt 2 that closed loop is installed, the front of this feeding belt 2 (around about between two belt pulleys 11) one section corresponding with the top of described cutting mechanism back.The also available dc motor of petrol engine 1 replaces, and uses storage battery power supply.

Described eccentric mechanism is two, is symmetrical set on casing 6.Each this eccentric mechanism is made of eccentric wheel 8, eccentric shaft 9 and described camshaft 10, camshaft 10 is installed on the cover plate of this casing 6 rotationally by bearing 13 and bearing block longitudinally, the centre bore of eccentric wheel 8 is installed in the lower end of this camshaft 10, eccentric part at this eccentric wheel 8 passes through bearing setting-up eccentricity axle 9, fixedly connected with described moving knife 3 in the lower end of this eccentric shaft 9, moving knife 3 positions limit by eccentric shaft 9.The camshaft 10 of this eccentric mechanism in the left side is as line shaft, this line shaft upper end is in transmission connection by the power take-off of decelerator (not shown) with described petrol engine 1, camshaft 10 ' upper end and a belt pulley 11 of this eccentric mechanism in the right ' is connected, this belt pulley 11 ' as 2 rotations of driving wheel drive feeding belt.

Referring to Fig. 3, Fig. 4 and Fig. 6, can branch stack device 5 be housed at an end of described cutting mechanism, stack device 5 comprised vertical shaft 51, divides heap bar 52 and divided the heap driving mechanism this minute, four branch heap bars 5 (are cross along the circumference radial equipartition, outer end case equidirectional bending, be used to hook the crop of collection), and be rotatably connected on the top of this vertical shaft 51 by bearing 53, the lower end of this vertical shaft 51 be fixed on described casing 6 above.Described branch heap driving mechanism comprises tower drive pulley 14, driving belt 15, tower driven pulley 16, driving lever 17 and transmission driving lever 18, tower drive pulley 14 and tower driven pulley 16 the axle the lower end be fixed on described casing 6 above, the part belt grooves and the described feeding belt 2 of this tower drive pulley 14 are in transmission connection, between this tower drive pulley 14 and tower driven pulley 16, connect driving belt 15, on this tower driven pulley 16, connect driving lever 17, between this driving lever 17 and described branch heap bar 52, transmission driving lever 18 is installed, the middle part of transmission driving lever 18 (or near middle part) is rotatably connected on the pole 19, the lower end of this pole 19 be fixed on described casing 6 above.During work, feeding belt 2 drives tower drive pulley 14, tower drive pulley 14 drives tower driven pulley 16 by driving belt 15 and rotates, driving lever 17 revolutions are moving a week just stirs transmission driving lever 18 once, so transmission driving lever 18 is intermittently swings, on described transmission driving lever 18 resetting-mechanism is housed.The 18 every swings of transmission driving lever once will be stirred branch heap bar 52 and intermittently be clockwise rotated about 90 degree, divide heap bar 52 under the promotion of the crops of constantly piling up, to be rotated further then, when the next one that slowly rotates divides heap bar 52 to run into transmission dead man 18, stop operating, when 18 actions of transmission dead man, rotate next time.Divide heap bar 52 revolutions moving once, the crop under 3 harvestings of driven knife in each time-out interval is collected, and make the crops of collecting some periodically be discharged into ground, to reach the purpose of branch heap.The rotating ratio that changes two cone pulleys can change the branch heap time cycle, thereby changes the size of dividing heap.When branch stack device 5 is not installed, can gather in out the crops of in a row putting.

Resetting-mechanism on the transmission driving lever 18 comprises spring (extension spring) 21 and limited block 20, spring 21 is connected on the described casing 6 or between the lower end of pole 19 and transmission driving lever 18, limited block 20 can be fixed on the top or pole 19 of described casing 6, and be positioned at the next door of this transmission driving lever lower end, be used for spacing (referring to Fig. 6) when transmission driving lever 18 resetted.

The also available torsion spring of above-mentioned extension spring 21 replaces, and torsion spring is installed in the rotary part (not shown) at described transmission driving lever 18 middle parts.

The front end of described handrail 7 is connected with the rear end of casing 6 by bolt 73, handrail 7 is made of two joint butt joints, on the butt end of this handrail 7, will be hinged by bearing pin 71, below this butt end, be provided with the dowel hole of mutual correspondence, and be furnished with the alignment pin 72 that can insert in this dowel hole.Handrail 7 can unload from main frame easily, pulls up alignment pin 72, handrail 7 can be folded up, and reduces volume, is convenient for carrying.As shown in Figure 2.

Operation principle of the present utility model is: in use, buttress handrail 7 (being the left side of Fig. 2) promotion forward by operator's both hands, petrol engine 1 drives the camshaft 10 and 10 ' rotation of two eccentric mechanisms through the back of slowing down, eccentric shaft 9 drives moving knife 3 and moves back and forth, constantly relative motion between moving knife 3 and the stationary knife 4, moving knife 3 is cut off crops with the sawtooth of stationary knife 4 front ends, this structure can guarantee crops be cut off after not driven knife upset, intermittently to a direction action.A belt pulley 11 of another camshaft 10 ' installed ' diameter determine according to the movement velocity of moving knife 3, make that haul belt 2 is suitable to the overall movement speed of a side cycle movement with moving knife 3, crops are along with haul belt 2 moves, can not topple over, until branch stack device 5 places that arrive an end, on branch heap bar 52 each ground of falling off and on by minute stack device 5.

Two oil lubrication ball bearings 13 on the cover plate of casing 6 and bearing block make moving knife 3 and stationary knife 4 remain appropriate gap (can to reduce resistance like this and reduce abrasion, the gap generally is controlled at 0.2 millimeter), guarantee that all crops that enter machine can both be cut off.Can on stationary knife 4, be provided with oil storage tank (not shown), reduce friction when making moving knife 3, increase the service life with stationary knife 4 relative motions.

Claims

1. short crop cropper, it is characterized in that: comprise casing, cutting mechanism, feeding belt, power set and eccentric mechanism, cutting mechanism is installed in the front end of casing; The camshaft of this eccentric mechanism is in transmission connection with the clutch end that is installed in the power set above the casing; The belt pulley of several vertical axials is housed on described casing, one of them this belt pulley and described power set are in transmission connection, the feeding belt of closed loop is housed on several these belt pulleys, and one section back with described cutting mechanism top of this feeding belt is corresponding; The rear end of described casing and below handrail and wheel are housed respectively.

2. short crop cropper according to claim 1, it is characterized in that: described cutting mechanism is by overlapping composition the about moving knife and the stationary knife, this moving knife and stationary knife are made by the steel board that the front has sawtooth, fixedly connected with the front end of described casing in the rear end of this stationary knife; Described eccentric mechanism is two and is symmetrical set, each this eccentric mechanism is made of eccentric wheel, eccentric shaft and described camshaft, camshaft vertically is installed on the cover plate on this casing top rotationally, the lower end of this camshaft is connected with eccentric center, is rotationally connected by eccentric shaft and described moving knife at this eccentric eccentric part; The camshaft of this eccentric mechanism is as line shaft, and its upper end is in transmission connection with described power set, and a described belt pulley is installed in the camshaft upper end of another this eccentric mechanism.

3. short crop cropper according to claim 1, it is characterized in that: the end at described cutting mechanism is equipped with the branch stack device, stack device comprised vertical shaft, divides the heap bar and divided the heap driving mechanism this minute, a plurality of branch heap bars radially are uniformly distributed along the circumference, and be rotatably connected on the top of this vertical shaft, the lower end of this vertical shaft be fixed on described casing above; This branch heap driving mechanism comprises tower drive pulley, driving belt, tower driven pulley, driving lever and transmission dead man, tower drive pulley and tower driven pulley the axle the lower end be fixed on described casing above, the part belt grooves and the described feeding belt of this tower drive pulley are in transmission connection, between this tower drive pulley and tower driven pulley, connect driving belt, on this tower driven pulley, connect driving lever, between this dead man and described branch heap bar, the transmission dead man is installed, the middle part of transmission driving lever is rotatably connected on the pole, the lower end of this pole be fixed on described casing above; On described transmission dead man, resetting-mechanism is housed.

4. short crop cropper according to claim 3, it is characterized in that: described resetting-mechanism comprises spring and limited block, spring is connected between the lower end of described casing or pole and transmission driving lever, limited block is fixed on described casing or the pole, and is positioned at the next door of this transmission dead man lower end.

5. short crop cropper according to claim 3, it is characterized in that: described resetting-mechanism comprises torsion spring and limited block, torsion spring is installed in the rotary part at described transmission dead man middle part, and limited block is fixed on described casing or the pole, and is positioned at the next door of this transmission driving lever lower end.

6. short crop cropper according to claim 1, it is characterized in that: described handrail is made of two joint butt joints, on the butt end of handrail, be hinged by bearing pin, below this butt end, be provided with the dowel hole of mutual correspondence, and be furnished with the alignment pin that can insert this dowel hole.

7. short crop cropper according to claim 1 is characterized in that: described power set are petrol engine or dc motor.