CN2619465Y

CN2619465Y - Hand farm land working machine

Info

Publication number: CN2619465Y
Application number: CN 03214559
Authority: CN
Inventors: 陈建民
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-01-06
Filing date: 2003-01-06
Publication date: 2004-06-09
Anticipated expiration: 2013-01-06

Abstract

The utility model includes a frame and an engine installed on the frame, an oil tank, a transmission device, wheels, a handle and an operation apparatus, the motor is a small gasoline engine, the outer side of the engine is provided with a radiator. The operation apparatus is connected with the frame through the traction seat behind the frame, the upper part of the frame is provided with a car light, a guard shield and a toolbox. The transmission device of the machine is used chain-wheel structure which not only increases the transmission efficiency but also reduces the width and the weight of the machine; the arrangement of the engine outer surface significantly improves the working performance of the engine; using the iron made wheel increase the adhesion force of the wheels to the dry land soil, the operation apparatus can be a cultivator or a sowing device to meet the different operation requirements. The machine is small in volume, light in weight, can do inter-row operations such as weeding for the crops, loosening soil or do operations such as sowing, fertilizing in the farmland in the hilly, mountain regions.

Description

Hand steered farm land cultivator

Technical field

The utility model relates to a kind of agricultural machinery, mainly relates to a kind of small-sized farm land cultivator that can carry out multinomial farmland operation.

Background technology

The develop rapidly of current science and technology, bring huge variation to agricultural production, as popularizing of agricultural machinery the peasant is freed from heavy manual labor, the application of chemical agent on agricultural significantly reduced weeds and sick, worm to the harm of crops etc.; But thing followed problem is: chemical agent can cause soil compaction to be on the rise, make most of crops must could high yields through loosening the soil for 2～3 times in vegetative period, if using agricultural machinery hoes up weeds and loosens the soil, in the large tracts of land farmland, have very high operating efficiency, but in hills and mountain area, the field piece area in farmland is little, out-of-shape, common agricultural machinery is not brought into play the high advantage of efficient, can stay a large amount of the edge of a field, rand and still need manually go to finish.Therefore in mountain area and hilly country, the field hoe up weeds, loosen the soil and sowing work still relies on traditional manpower and animal power at present, the peasant is badly in need of being applicable to the small-sized farm land cultivator in mountain area.Patent 01259419.9 discloses a kind of multipurpose farm land cultivator, be used as power by small diesel engine, hand steered operation, can hoe up weeds, loosen the soil and an operation such as sowing, but because the transmission device of this machine is made up of worm and gear and belt pulley, the cost of worm and gear is than higher, and weight is big, the field work condition is poor, has brought certain difficulty for the maintenance of machinery; In addition, adopt belt pulley can make the volume ratio of machine bigger, be not suitable for carrying out the operation in the ranks of crop; In addition, this machine adopts single-wheel walking, less stable when operation.

Summary of the invention

The purpose of this utility model provide a kind of be suitable for that use in the irregular farmland of mountain area and knob fritter, volume is little, in light weight, and the farm land cultivator that can carry out the operation in the ranks of multinomial crops.

For reaching above-mentioned purpose, the technical solution adopted in the utility model is: this hand steered farm land cultivator comprises frame and the engine that is contained on the frame, fuel tank, transmission device, wheel, handrail and operation device, engine is connected with wheel by transmission device, the operation device is contained in the frame rear, it is characterized in that: transmission device is a chain sprocket structure, active minor sprocket wherein is fixed on the output shaft of engine, driven hinge wheel and driven minor sprocket are fixed on the power transmission shaft, hinge wheel is fixed on the axletree, wherein active minor sprocket and driven hinge wheel, driven minor sprocket and hinge wheel are connected to each other by chain respectively.

Casing periphery at engine, also be provided with radiator, radiator comprises blower fan and radiating tube, the blower fan axle is fixed on the axle head that engine crankshaft exposes, on the blower fan axle blade is housed, one side of blower housing is opened wide, and blower housing is connected with an end of radiating tube, and blower housing and radiating tube are separately fixed on the casing of engine.

On pedestal, pedestal is hinged on the frame described power transmission shaft by two bearing fixing.

The operation device is connected with frame by the traction seat that is arranged on the frame rear, and wheel is two nonirrigated farmland iron tyres, and the outer round surface of iron tyre is arranged at intervals with fin; Gear change hand lever also is housed on handrail, and gear change hand lever is connected with gear lever on the engine by control operating rod; Be provided with supporting leg in the frame front lower place, above frame, also be provided with car light, guard shield and tool box also are housed outside transmission device.

Described operation device is a hoe, hoe is connected by the traction seat of hanger bracket with the frame back, hanger bracket comprises towing plate, crane and screw rod, the front of towing plate is a ∩ shape, the front end and the traction seat of towing plate are hinged, the lower end of towing plate has two through holes of vertically arranging at least, and the upper lateral of towing plate is hinged with a nut; The side of crane is a  shape, the termination, bottom of  shape and the through hole of towing plate lower end are hinged, the positive upper end of crane is a shape, be laterally hinged with a locating piece in the frame, through hole is arranged on the locating piece, screw rod is axially fixed in the through hole of locating piece, and the tail end of screw rod is connected with the nut on towing plate top, and the front end of screw rod is equipped with the adjustment knob; The hoe frame of hoe is fixed on the bottom of crane by support plate.

Described operation device is a seeder, seeder comprises hitch frame, support, land wheel and seeding unit, the front end of hitch frame and the traction seat after the frame are hinged, the rear end of hitch frame is hinged on the rear cross beam of support, on hitch frame, also be provided with and adjust seat, adjust and have two locating holes of vertically arranging on the seat at least, support is provided with the adjustment plate, with adjust the corresponding position of seat locating hole, adjust on the plate and be shaped on screw, adjust seat and be connected by bolt with the adjustment plate, land wheel is hinged on the support, seeding unit is fixed on the crossbeam at support rear portion, and land wheel is connected with seed wheel in the seeding unit by sprocket wheel and chain.

Owing to adopted technique scheme, in transmission device, adopt chain sprocket structure, when having increased transmission efficiency, reduced fuselage width and machine weight; Owing to be provided with radiator, improved the service behaviour of engine greatly again at the engine outer surface; Adopt two iron wheels, adapted to the requirement of fuselage width, also increased the adhesive force of wheel to dryland soil, traction seat can connect hoe or seeder, to satisfy the different requirements of operation.0.4 meter of this machine complete machine fuselage width, 0.7 meter of arm rest, long 1.54 meters of fuselage, heavy only 62 kilograms, volume is little, and is in light weight, can carry out the operations such as operation or sowing, fertilising in the ranks such as hoeing up weeds, loosen the soil of crop in hills, mountain area haggard.

Description of drawings

Fig. 1 is the structural representation of hand steered farm land cultivator;

Fig. 2 is the B-B cross-sectional view of Fig. 1;

Fig. 3 is the structural representation of sower and haulage gear;

Fig. 4 removes vertical view behind the seeding unit for Fig. 3;

Fig. 5 is the cutaway view in Fig. 1 C-C cross section.

Embodiment

This hand steered farm land cultivator (see figure 1) comprises frame 7 and the engine 1, fuel tank 4, transmission device, wheel 6, the handrail 21 and operation device that are contained on the frame, and the operation device is arranged on the frame rear.In order to reduce weight and cost, engine adopts the motorcycle four-stroke gasoline engine, and engine 1 is contained in frame 7 the place aheads, and in the present embodiment, fuel tank 4 usefulness supports are fixed on the engine top, also can be fixed on the bar or the transmission device top.Engine 1 is connected with wheel 6 by transmission device, transmission device is a chain sprocket structure, active minor sprocket 5 in the chain sprocket structure is fixed on the output shaft of engine 1, driven hinge wheel 8 and driven minor sprocket 9 are fixed on the power transmission shaft 30, hinge wheel 10 is fixed on the axletree, and wherein initiatively minor sprocket 5 is connected to each other by chain respectively with hinge wheel 10 with driven hinge wheel 8, driven minor sprocket 9.

Outside the casing of engine 1, also be provided with radiator, radiator comprises blower fan 2 and a ventilation and heat pipe, the axis of blower fan 2 is fixed on engine crankshaft with screw thread and is exposed at the outer axle head of casing, be positioned at the outside of magneto, on the blower fan axle blade be housed, the outside of blower fan 2 shells is opened wide, can single admission, and blower housing is connected with an end of radiating tube.Radiating tube is looped around the periphery of engine 1, is beneficial to heat radiation, and blower housing and radiating tube are separately fixed on the casing of engine 1.

On pedestal 31, pedestal 31 is hinged on the frame 7, in the present embodiment power transmission shaft 30 (see figure 2)s in the chain sprocket structure by two bearing fixing, two bearings are arranged on an end of power transmission shaft, in addition, also can be arranged on the two ends of power transmission shaft, perhaps power transmission shaft directly is hinged on the frame.

Be provided with traction seat 12 at frame 7 rears, the operation device is connected with frame 7 by traction seat 12.Stability when strengthening mechanical work does not increase fuselage width simultaneously again, and wheel 6 adopts two nonirrigated farmland iron tyres, is arranged at intervals with fin at the wheel rim outer surface of iron tyre, with anti-slip.In the present embodiment, fin is lambdoid slanted bar, also can be horizontal stripe or other decorative patterns.Gear change hand lever 23 is housed on the handrail in left side, and gear change hand lever 23 is connected with gear lever on the engine 1 by control operating rod 22, and in addition, gear change hand lever 23 also can be fixed on other position that the operator conveniently contacts, as on the cross bar between two handrails.Throttle is connected 25 with right armrest by acceleration cable 42, regulates the throttle size by grip cover; Clutch is connected with clutch handle 24 on being fixed on handgrip 25 by clutch cable 43.Park for convenience, be provided with supporting leg 28 in the front lower place of frame 7.Also be provided with car light above frame 7, headlight 3 is fixed on fuel tank 4 tops, and back lampet 26 is contained in the middle of the cross bar of handling handrail, and shift knob is contained in the inboard of right handrail handgrip; The button of ignition switch also is housed in the inboard of left handrail handgrip.Be coated with guard shield 29 outside transmission device, a side of guard shield 29 can be set to tool box 11.

When described operation device was hoe, hoe 27 was connected with the traction seat 12 of frame 7 back by the hanger bracket of its top.Hanger bracket comprises towing plate 13, crane 17 and screw rod 15, towing plate 13 sees it is a steel plate that curves ∩ shape from the front, the front end of towing plate 13 has the connection pin-and-hole, can be hinged with traction seat 12, the lower end of towing plate 13 has two through holes of vertically arranging at least, be 3 through holes in the present embodiment, the upper lateral of towing plate 13 is hinged with a nut 14; The side of crane 17 is  shapes, one of three through holes of the termination, bottom of  shape and towing plate 13 lower ends are hinged, when being in travel position, the termination, bottom of crane 17 can be hinged in the hole topmost, hoe is hung, during operation, can be according to two holes below the requirement of hoe embedded depth is selected.The positive upper end of crane 17 is (see figure 5)s of shape, be laterally hinged with a locating piece 18 in the frame, the center of locating piece 18 is shaped on through hole, screw rod 15 is axially fixed in the mesopore of locating piece 18, the tail end of screw rod 15 is connected with the nut 14 on towing plate 13 tops, the front end of screw rod 15 is fixed with adjusts knob 20, can pass through the knob screw rod, the top that makes crane near or leave towing plate, thereby the base that drives crane is upper and lower mobile around pin joint, finely tunes the embedded depth of hoe.In the present embodiment, the method of axial restraint screw rod 15 is: in a side of locating piece 18, the boss rank are arranged on the screw rod 15, opposite side at locating piece 18, one locking back-up ring 19 is arranged on the screw rod 15, screw rod 15 can only radially be rotated, can not have axially with locating piece 18 to relatively move, can force the top of crane 17 to move axially with screw rod 15 like this by locating piece.In addition, the method for axial restraint also can be: at the opposite side of locating piece, screw rod is provided with other securing members such as jump ring or split pin.Hoe is commercially available, and the hoe frame of hoe 27 is fixed on the  shape base of crane 17 by support plate 16.

When the operation device is seeder, (see Fig. 3, Fig. 4), adopt commercially available 2BXD-3 type seeder.This seeder comprises support 35, land wheel 36, seeding unit 39, grain tube 40 and plough, in order to be connected with main frame, on seeder, set up hitch frame 32, traction seat 12 after the front end of hitch frame 32 and main frame 7 frames is hinged, the rear end of hitch frame 32 is hinged on the rear cross beam 41 of support 35, also is provided with to adjust seat 33 on hitch frame 32, adjusts to have two locating holes of vertically arranging on the seat 33 at least, in the present embodiment, be 3 locating holes.Support 35 is provided with adjusts plate 34, with adjust the corresponding position of locating hole on the seat 33, adjust on the plate 34 and be shaped on screw, adjusting seat 33 and adjustment plate 34 is connected by bolt, during connection, by the selection of bolt to 3 locating holes, can control the embedded depth of seeding unit bottom plough, thus the embedded depth of control seed.The land wheel 36 of seeder is hinged on the support 35, seeding unit 39 is fixed on the crossbeam 41 at support rear portion, land wheel 36 is connected with seed wheel in the seeding unit 39 by sprocket wheel 37 and chain 38, seed wheel is communicated with plough by grain tube 40, when land wheel 36 rotates, the drive seed wheel rotates, and the seed in the seeding unit 39 promptly enters in the groove that plough leaves along grain tube 40 at regular time and quantity by seed wheel.This seeding unit also can be used for fertilising.

When changing the operation device, only need the connecting pin of traction seat 12 is extracted, the operation device of former connection is separated with traction seat, reconnect required operation device and get final product.

Operation device of the present utility model also can be other small farm machine, only needs its support to be provided with the parts that are connected with traction seat and gets final product.

Claims

1, a kind of hand steered farm land cultivator, comprise frame (7) and be contained in engine (1) on the frame, fuel tank (4), transmission device, wheel (6), handrail (21) and operation device, engine (1) is connected with wheel (6) by transmission device, the operation device is contained in the rear of frame (7), it is characterized in that: transmission device is a chain sprocket structure, active minor sprocket (5) in the chain sprocket structure is fixed on the output shaft of engine (1), driven hinge wheel (8) and driven minor sprocket (9) are fixed on the power transmission shaft (30), hinge wheel (10) is fixed on the axletree, wherein active minor sprocket (5) and driven hinge wheel (8), driven minor sprocket (9) is connected to each other by chain respectively with hinge wheel (10).

2, hand steered farm land cultivator according to claim 1, it is characterized in that: in the casing periphery of engine (1), also be provided with radiator, radiator comprises blower fan (2) and radiating tube, the blower fan axle is fixed on the axle head that engine crankshaft exposes, and on the blower fan axle blade is housed, and a side of blower housing is opened wide, blower housing is connected with an end of radiating tube, and blower housing and radiating tube are separately fixed on the casing of engine (1).

3, hand steered farm land cultivator according to claim 1 is characterized in that: on pedestal (31), pedestal (31) is hinged on the frame (7) described power transmission shaft (30) by two bearing fixing.

4, hand steered farm land cultivator according to claim 1 is characterized in that: the operation device is connected with frame (7) by the traction seat (12) that is arranged on frame (7) rear, and wheel (6) is two nonirrigated farmland iron tyres, and the outer round surface of iron tyre is arranged at intervals with fin; Gear change hand lever (23) also is housed on handrail (21), and gear change hand lever (23) is connected with gear lever on the engine (1) by control operating rod (22); Be provided with supporting leg (28) in the front lower place of frame (7), also be provided with car light (3), guard shield (29) and tool box (11) also are housed outside transmission device in frame (7) top.

5, according to claim 1 or 2 or 3 or 4 described hand steered farm land cultivators, it is characterized in that: described operation device is a hoe, hoe (27) is connected by the traction seat (12) of hanger bracket with frame (7) back, hanger bracket comprises towing plate (13), crane (17) and screw rod (15), the front of towing plate is a ∩ shape, the front end of towing plate (13) and traction seat (12) are hinged, the lower end of towing plate (13) has two through holes of vertically arranging at least, and the upper lateral of towing plate (13) is hinged with a nut (14); The side of crane (17) is a  shape, the through hole of the termination, bottom of  shape and towing plate (13) lower end is hinged, the positive upper end of crane (17) is a shape, be laterally hinged with a locating piece (18) in the frame, locating piece has through hole on (18), screw rod (15) is axially fixed in the through hole of locating piece (18), and the tail end of screw rod (15) is connected with the nut (14) on towing plate (13) top, and the front end of screw rod (15) is equipped with adjusts knob (20); The hoe frame of hoe (27) is fixed on the bottom of crane (17) by support plate (16).

6, according to claim 1 or 2 or 3 or 4 described hand steered farm land cultivators, it is characterized in that: described operation device is a seeder, seeder comprises hitch frame (32), support (35), land wheel (36) and seeding unit (39), traction seat (12) after the front end of hitch frame (32) and the frame (7) is hinged, the rear end of hitch frame (32) is hinged on the rear cross beam (41) of support (35), on hitch frame (32), also be provided with and adjust seat (33), adjust and have two locating holes of vertically arranging on the seat (33) at least, support (35) is provided with adjusts plate (34), with the corresponding position of locating hole of adjusting seat (33), adjust on the plate (34) and be shaped on screw, adjusting seat (33) is connected by bolt with adjustment plate (34), land wheel (36) is hinged on the support (35), seeding unit (39) is fixed on the crossbeam (41) at support (35) rear portion, and land wheel (36) is connected with seed wheel in the seeding unit (39) by sprocket wheel (37) and chain (38).