CN104025735B - Hand-held agro-farming soil preparation machine - Google Patents

Hand-held agro-farming soil preparation machine Download PDF

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Publication number
CN104025735B
CN104025735B CN201410256496.9A CN201410256496A CN104025735B CN 104025735 B CN104025735 B CN 104025735B CN 201410256496 A CN201410256496 A CN 201410256496A CN 104025735 B CN104025735 B CN 104025735B
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China
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hand
sliding sleeve
machine
whole
gearbox
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CN201410256496.9A
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Chinese (zh)
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CN104025735A (en
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沈洪彬
沈显丽
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四川艾马仕科技有限公司
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Publication of CN104025735A publication Critical patent/CN104025735A/en
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Abstract

The invention discloses a kind of hand-held agro-farming soil preparation machine, comprise vehicle frame, running gear, engine, gearbox, vehicle frame front portion is provided with shoveling mechanism; Running gear comprises left and right caterpillar type tavelling wheel, drive axle, and the left and right half of drive axle is connected with the driving wheel of left and right caterpillar type tavelling wheel respectively; The power shaft of gearbox is connected with the main shaft of engine by clutch, the output shaft of gearbox is provided with first, second output gear, first output gear is connected with drive axle, second output gear and one drives oil pump to be connected, and drives oil pump to be connected respectively by high-pressure oil pipe, hydraulic control valve and whole shovels hoist cylinder, whole shovels dump ram; The housing of gearbox installs handrail, handrail is respectively equipped with the control stick of clutch operating lever, gear shift operating rod, hydraulic control valve.It is self-powered, and integrated level is high, good by property, is easy to walk in various landform, and its structure is simple, cheap, applied range.

Description

Hand-held agro-farming soil preparation machine

Technical field

The present invention relates to field of agricultural machinery, particularly relate to a kind of hand-held agro-farming soil preparation machine.

Background technology

Existing soil preparation machine is generally combined soil preparing machine, this soil preparation machine self is power not, and it needs the rear being arranged on tractor, uses together with tractor, advance by tractor-drawn, because this soil preparation machine itself is longer, after it and tractor link together, become length very big, turn to very dumb, very poor by property, can not to walk narrow road, therefore, can only use in wide flat area.

On the other hand, soil preparation machine, tractor are large-scale plant equipment, bulky, and weight is also large, and at southern china and a lot of areal rainfall depth is very abundant in the world, soil property is soft, and water content is high, can not carry the weight of soil preparation machine, tractor completely.Southern china and in the world a lot of area be generally hilly country that terraced fields gather or the narrow mountain area of road, be filled with gully, terraced bank, soil preparation machine, tractor can in these area walkings, limit the scope of application of soil preparation machine greatly, therefore, these areas still need peasant to rely on the farm implements such as hoe, farm cattle, plow harrow manually to complete whole ground process up to now, production efficiency is low, therefore, the delayed of scarification equipment development greatly limit China and a lot of regional agricultural development in the world.

The price of tractor own is higher, usually needs to coordinate more farm implements to use, and to reduce production cost, but the land area of common peasant is limited, and crops are less, therefore, uses the cost of tractor very high; And the unwanted function of combined soil preparing machine is more, complex structure, and price is higher, limit the scope of application of soil preparation machine equally.

Summary of the invention

The object of the invention is to for the deficiencies in the prior art, provide a kind of hand-held agro-farming soil preparation machine, it is self-powered, and integrated level is high, and volume is little, lightweight, good by property, is easy to walk in various landform, and its structure is simple, cheap, applied range.

The object of the present invention is achieved like this:

A kind of hand-held agro-farming soil preparation machine, comprises vehicle frame, running gear, engine, gearbox,

Described vehicle frame front portion is provided with shoveling mechanism, described shoveling mechanism comprises and shoveling wholely, support arm, the quantity of described support arm is two, two support arms are symmetricly set on vehicle frame front portion, rear end and the vehicle frame of two support arms are hinged, the front end of two support arms and whole shovel hinged, two support arms shovel hoist cylinder be connected with vehicle frame respectively by whole, support arm and whole the tailpiece of the piston rod shoveling hoist cylinder hinged, vehicle frame and whole cylinder body end of shoveling hoist cylinder hinged, shovel wholely and shovel the crossbeam be fixedly connected with between dump ram with two support arms be connected by whole, shovel with whole the tailpiece of the piston rod shoveling dump ram hinged wholely, crossbeam and whole cylinder body end of shoveling dump ram hinged,

Described running gear comprises left and right caterpillar type tavelling wheel, drive axle, and the left and right half of described drive axle is connected with the driving wheel of left and right caterpillar type tavelling wheel respectively;

The power shaft of described gearbox is connected with the main shaft of engine by clutch, the output shaft of gearbox is provided with first, second output gear, first output gear is connected with drive axle, second output gear and one drives oil pump to be connected, this driving oil pump is by high-pressure oil pipe connecting fluid pressure control valve, and hydraulic control valve connects respectively by high-pressure oil pipe and whole shovels hoist cylinder, whole shovels dump ram;

The housing of described gearbox installs handrail, described handrail is respectively equipped with the control stick of clutch operating lever, gear shift operating rod, hydraulic control valve.

First output gear of described gearbox is connected with the travelling gear power be provided with in Driving axle housing, and this travelling gear is enclosed within a power transmission shaft, and the two ends of power transmission shaft are connected with the left and right half of drive axle respectively by arrangement of clutch.

A left side for described drive axle, right axle shaft is supported in the housing of drive axle respectively by clutch shaft bearing, described arrangement of clutch comprises the left side be respectively equipped with in housing, right sliding sleeve, a described left side, right sliding sleeve is slidably matched with the second bearing of arranging respectively in housing respectively, the two ends of described power transmission shaft respectively by the 3rd bearings in a left side, in the hole of right sliding sleeve, described travelling gear is with left, the end face that right sliding sleeve is corresponding is in opposite directions provided with the end-tooth of normal engagement, left, the opposing one end of right sliding sleeve respectively with a left side, right axle shaft is positioned at one end spline joint of housing, left, a left side between right sliding sleeve and corresponding clutch shaft bearing, on right axle shaft, cover has return spring respectively, left, the annular groove that right sliding sleeve is provided with respectively by periphery is with left, right shifting fork mechanism connects.

Described shifting fork mechanism is for rotating shift fork, and the jaw rotating shift fork inserts in the annular groove on sliding sleeve periphery, and the fork-tail rotating shift fork is connected with control drag-line.

Jaw, the fork-tail of described left and right rotation shift fork are mutually vertical, and during normality, the fork-tail end of left and right rotation shift fork in opposite directions.

The fulcrum of described left and right rotation shift fork is articulated with the bearing pin arranged respectively in housing respectively, the left hand and right hand of described handrail on be respectively equipped with handle, left hand and right hand is connected upper handle respectively with the control drag-line of left and right rotation shift fork.

Described engine is single-cylinder air-cooled diesel engine, and this engine is positioned at directly over the supporting wheel of caterpillar type tavelling wheel, and the side of engine fixes diesel fuel tanks, air filter, silencer.

Be fixedly connected with an installing rack between the left hand and right hand handle of described handrail, each control stick and hydraulic control valve are all fixed on this installing rack.

Described driving oil pump is connected with gearbox by reduction box.

The housing rear portion of described drive axle is fixed with fuel tank hanger, and the hydraulic oil container of described driving oil pump is fixed on this fuel tank hanger.

Owing to have employed such scheme, rear end and the vehicle frame of two support arms are hinged, the front end of two support arms and whole shovel hinged, form the connection of shoveling with vehicle frame wholely.Be fixedly connected with crossbeam between two support arms, two support arms be synchronized with the movement, and the installing space shoveling dump ram is provided wholely.Two support arms shovel hoist cylinder be connected with vehicle frame respectively by whole, support arm and whole the tailpiece of the piston rod shoveling hoist cylinder hinged, vehicle frame and whole cylinder body end of shoveling hoist cylinder hinged, shovel when hoist cylinder shrinks or extends wholely and can promote or reduce the position shoveled wholely.Shovel wholely and shovel the crossbeam be fixedly connected with between dump ram with two support arms be connected by whole, shovel with whole the tailpiece of the piston rod shoveling dump ram hinged wholely, crossbeam and whole cylinder body end of shoveling dump ram hinged, shovel when dump ram shrinks or extends wholely and can make to shovel clockwise wholely or rotate counterclockwise.Therefore, according to need of work, can adjust up and down or tilt and shovel wholely, better ground grading.The running gear of this hand-held agro-farming soil preparation machine is crawler type walking mechanism, longer with the contact area on ground, and be convenient to walk under various operating mode, the scope of application is more extensive.First output gear of gearbox is connected with drive axle, makes engine as the walking power of this hand-held agro-farming soil preparation machine; Second output gear and one of gearbox drives oil pump to be connected, this driving oil pump is by high-pressure oil pipe connecting fluid pressure control valve, hydraulic control valve connects respectively by high-pressure oil pipe and whole shovels hoist cylinder, whole shovels dump ram, make engine as the power of the hydraulic system of this hand-held agro-farming soil preparation machine, both can to have been adjusted up and down or tilt whole shovel by hydraulic control valve.The housing of described gearbox installs handrail, described handrail is respectively equipped with the control stick of clutch operating lever, gear shift operating rod, hydraulic control valve, is convenient to operated by personnel, and solenoidoperated cluthes, gearbox, hydraulic control valve.This hand-held agro-farming soil preparation machine carries engine power, and do not need to connect tractor again, thus length is minimum, good by property, is convenient to walk in various landform, adapts to hilly country or mountain area; This hand-held agro-farming soil preparation machine volume is little, lightweight, can walk soft terrain, only need to build plank and can cross gully, terraced bank, the scope of application is extensive, can use in China's overwhelming majority area, improve agricultural production efficiency, and this hand-held agro-farming soil preparation machine structure is simple, cheap, production cost is low, effectively can promote the agricultural development of China and south east asia.

A left side is respectively equipped with in the housing of drive axle, right sliding sleeve, left, a power transmission shaft is provided with in housing chamber between right sliding sleeve, the two end supports of this power transmission shaft is in a left side, in the hole of right sliding sleeve, first output gear of described gearbox is connected with travelling gear power, travelling gear is with left, the end face that right sliding sleeve is corresponding is in opposite directions provided with the end-tooth of normal engagement, left, the opposing one end of right sliding sleeve respectively with a left side, right axle shaft is positioned at one end spline joint of housing, therefore, under normality, the power of travelling gear can transfer a torque to a left side by the end-tooth of normal engagement, right sliding sleeve, left, right sliding sleeve transfers a torque to a left side by spline, right axle shaft, realize the driving of Minitype agricultural machinery.Left and right half between left and right sliding sleeve and corresponding clutch shaft bearing is overlapped respectively and has return spring, ensure that the end-tooth of travelling gear and left and right sliding sleeve is in normal engagement.The jaw clamping of the annular groove that left and right sliding sleeve is provided with respectively by periphery and left and right rotation shift fork, the fork-tail connection control drag-line respectively of left and right rotation shift fork.When pulling the control drag-line of anticlockwise shift fork, the jaw of anticlockwise shift fork stirs left sliding sleeve away from travelling gear, travelling gear separates with the end-tooth of left sliding sleeve, thus engagement is interrupted, no longer transmitting torque, therefore, left half axle stops operating, and right axle shaft works on, and then realize the left-hand rotation of Minitype agricultural machinery; When pulling the control drag-line of right rotation shift fork, the jaw of right rotation shift fork stirs right sliding sleeve away from travelling gear, travelling gear separates with the end-tooth of right sliding sleeve, thus engagement is interrupted, no longer transmitting torque, therefore, right axle shaft stops operating, and left half axle works on, and then realize the right-hand rotation of Minitype agricultural machinery.Therefore, this drive axle can realize auto-steering, handiness, and can not injury device, and protection operator's is healthy and safe.

Jaw, the fork-tail of left and right rotation shift fork are mutually vertical, during normality, the fork-tail end of left and right rotation shift fork in opposite directions, shorten the spacing of the fork-tail of left and right rotation shift fork, thus make the spacing of the fork-tail of left and right rotation shift fork equal left hand and right hand the distance between upper handle, make two to control drag-line to be parallel to each other, stressed effect is better.

Engine is single-cylinder air-cooled diesel engine, and volume is little, lightweight, and power is large, adapts to the power demand of hand-held agro-farming soil preparation machine.This engine is positioned at directly over the supporting wheel of caterpillar type tavelling wheel, and the side of engine fixes diesel fuel tanks, air filter, silencer, makes the weight of this hand-held agro-farming soil preparation machine concentrate on supporting wheel, and reduce the load of driving wheel, guide wheel, stressed effect is good.Be fixedly connected with an installing rack between the left hand and right hand handle of handrail, each control stick and hydraulic control valve are all fixed on this installing rack, are convenient to staff and handle.Drive oil pump to be connected with gearbox by reduction box, deceleration increasing is turned round, and strength is larger, adapts to agricultural use environment.The housing rear portion of drive axle is fixed with fuel tank hanger, and the hydraulic oil container of described driving oil pump is fixed on this fuel tank hanger, shortens vehicle frame length, and make complete vehicle structure compact, volume is less, better by property.

Below in conjunction with the drawings and specific embodiments, the invention will be further described.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention;

Fig. 2 is that schematic diagram is looked on the right side of Fig. 1;

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

Fig. 4 is schematic perspective view of the present invention;

Fig. 5 is the structural representation of drive axle.

In accompanying drawing, 1 is vehicle frame, 2 is engine, 3 is gearbox, 4 for shovel wholely, 5 is support arm, 6 for shovel hoist cylinder wholely, 7 for shovel dump ram wholely, 8 is crossbeam, 9, 10 is left, right-hand track chiain formula road wheel, 11 is drive axle, 12, 13 is left, right axle shaft, 14 for driving oil pump, 15 is hydraulic control valve, 16 is handrail, 17 is clutch operating lever, 18 is gear shift operating rod, 19 is the control stick of hydraulic control valve, 20 is travelling gear, 21 is power transmission shaft, 22 is clutch shaft bearing, 23, 24 is left, right sliding sleeve, 25 is the second bearing, 26 is the 3rd bearing, 27 is end-tooth, 28 is return spring, 29 is annular groove, 30 for rotating shift fork, 31 for controlling drag-line, 32 is bearing pin, 33 is handle, 34 is diesel fuel tanks, 35 is air filter, 36 is silencer, 37 is installing rack, 38 is reduction box, 39 is fuel tank hanger, 40 is hydraulic oil container, 41 is bevel gear shaft, 42 is accumulator.

Embodiment

See Fig. 1 to Fig. 5, for a kind of embodiment of hand-held agro-farming soil preparation machine, comprise vehicle frame 1, running gear, engine 2, gearbox 3, engine 2, gearbox 3 are all bolted on vehicle frame, and described vehicle frame 1 front portion is provided with shoveling mechanism, described shoveling mechanism comprise shovel 4 wholely, support arm 5, the quantity of described support arm 5 is two, it is anterior that two support arms 5 are symmetricly set on vehicle frame 1, and rear end and the vehicle frame 1 of two support arms 5 are hinged, the front end of two support arms 5 and whole shovel 4 hinged.Two support arms 5 shovel hoist cylinder 6 be connected with vehicle frame 1 respectively by whole, support arm 5 is hinged with the tailpiece of the piston rod shoveling hoist cylinder 6 wholely, vehicle frame 1 is hinged with the cylinder body end of shoveling hoist cylinder 6 wholely, in the present embodiment, the two ends, left and right of vehicle frame be respectively equipped with upwards extend for shoveling the hinged bracing frame of hoist cylinder with whole, bracing frame can increase the height shoveling hoist cylinder rear end hinge wholely, thus the angle shoveling hoist cylinder and support arm is become greatly wholely, and biasing effect is better.Shovel 4 to shovel the crossbeam 8 be fixedly connected with between dump ram 7 with two support arms 5 be connected by whole wholely, shovel 4 hinged with the tailpiece of the piston rod shoveling dump ram 7 wholely wholely, crossbeam 8 is hinged with the cylinder body end of shoveling dump ram 7 wholely, in the present embodiment, the hinge shoveling dump ram front end is positioned at the top of support arm wholely, prevent in whole ground process, shovel dump ram and other objects collide wholely.When the described lower surface shoveled is set to spade-type wholely, can ground grading, the described lower surface shoveled is set to plough type wholely, may be used for ploughing.

Described running gear comprise left and right caterpillar type tavelling wheel 9,10, drive axle 11, each caterpillar type tavelling wheel comprises a guide wheel, a supporting wheel, a driving wheel respectively, the lower surface of guide wheel, supporting wheel, driving wheel flushes, wherein, described supporting wheel is rotatably supported in the dead axle that vehicle frame two ends are welded and fixed, for load-bearing, described engine 2 is single-cylinder air-cooled diesel engine, this engine 2 is positioned at directly over the supporting wheel of caterpillar type tavelling wheel, and the side of engine 2 fixes diesel fuel tanks 34, air filter 25, silencer 36.The guide wheel of each side of vehicle frame, supporting wheel, driving wheel wrap up rubber belt track, and the left and right half 12,13 of described drive axle 11 is connected with the driving wheel of left and right caterpillar type tavelling wheel 9,10 respectively.The power shaft of described gearbox 3 is connected by the main shaft of clutch with engine 2, the output shaft of gearbox 3 is provided with first, second output gear, first output gear is connected with drive axle 11 power, second output gear and one drives oil pump 14 to be connected, this driving oil pump 14 is by high-pressure oil pipe connecting fluid pressure control valve 15, and hydraulic control valve 15 connects respectively by high-pressure oil pipe and whole shovels hoist cylinder 6, whole shovels dump ram 7.The housing of described gearbox 3 installs handrail 16, described handrail 16 is respectively equipped with the control stick 19 of clutch operating lever 17, gear shift operating rod 18, hydraulic control valve.Be fixedly connected with an installing rack 37 between the left hand and right hand handle of described handrail 16, each control stick and hydraulic control valve 15 are all fixed on this installing rack 37.In the present embodiment, installing rack 37 is also welded with instrument cases.

Directly over the rear that described gearbox is positioned at engine and drive axle, described driving oil pump 14 is positioned at the rear of gearbox, and is connected with gearbox 3 by reduction box 38.In the present embodiment, driving oil pump is high-pressure gear pump, and power is larger, adapts to need of work.The housing rear portion of described drive axle 11 is fixed with fuel tank hanger 39, and the hydraulic oil container 40 of described driving oil pump 14 is fixed on this fuel tank hanger 39, hydraulic oil container 40 is positioned at and drives immediately below oil pump, is convenient to be connected with driving the oil inlet pipe of oil pump.This distribution mode shortens the width of this hand-held agro-farming soil preparation machine, and allows bit space for the motion of shoveling provides wholely.In the present embodiment, the top of reduction box is also provided with accumulator 42, for ato unit, and other equipment (if electric light etc.) power supply for installing additional.

First output gear of described gearbox 3 is connected with travelling gear 20 power be provided with in drive axle 11 housing, this travelling gear 20 is enclosed within a power transmission shaft 21, travelling gear can be connected or matched in clearance with splined driveshaft, in the present embodiment, travelling gear is connected with splined driveshaft, to prevent from, between travelling gear and power transmission shaft, fretting wear occurs, and locked by holding screw, prevent travelling gear axially mobile.Described travelling gear 13 is bevel gear, and travelling gear is by being subject to power with bevel gear shaft 41 joggle(d) joint of gearbox.The upper end of bevel gear shaft 41 arranges gear and engages with gearbox first output gear.The two ends of power transmission shaft 21 are connected with the left and right half 12,13 of drive axle 11 respectively by arrangement of clutch.Further, the left and right half 12,13 of described drive axle 11 is supported in the housing of drive axle 11 respectively by clutch shaft bearing 22, clutch shaft bearing is located at the two ends of housing respectively, further, the two ends of described housing are respectively equipped with oil sealing, each oil sealing lays respectively at the outside of corresponding clutch shaft bearing, prevents oil leakage, and impurity enters in housing.Described arrangement of clutch comprises the left and right sliding sleeve 23,24 be respectively equipped with in housing, and described left and right sliding sleeve 23,24 is slidably matched with the second bearing 25 of arranging respectively in housing respectively, the outer peripheral face of the second bearing and housing interference fit.The two ends of described power transmission shaft 21 are supported in respectively by the 3rd bearing 26 in the hole of left and right sliding sleeve 23,24, and the inner peripheral surface of the 3rd bearing and power transmission shaft matched in clearance, outer peripheral face and the left and right sliding sleeve of the 3rd bearing are slidably matched.The end face that described travelling gear 20 is corresponding in opposite directions with left and right sliding sleeve 23,24 is provided with the end-tooth 27 often engaged, and in the present embodiment, the end-tooth that travelling gear is provided with is recessed tooth, and the end-tooth of left and right sliding sleeve is double wedge.Left and right sliding sleeve 23,24 opposing one end are positioned at one end spline joint of housing with left and right half 12,13 respectively, left and right half 12,13 between left and right sliding sleeve 23,24 and corresponding clutch shaft bearing 22 is overlapped respectively and has return spring 28, in the present embodiment, return spring is Compress Spring.The annular groove 29 that left and right sliding sleeve 23,24 is provided with respectively by periphery is connected with left and right shifting fork mechanism.Further, described shifting fork mechanism is for rotating shift fork 30, and the jaw rotating shift fork 30 inserts in the annular groove 29 on sliding sleeve periphery, and the fork-tail rotating shift fork 30 is connected with control drag-line 31.Jaw, the fork-tail of described left and right rotation shift fork 30 are mutually vertical, and during normality, the fork-tail end of left and right rotation shift fork 30 in opposite directions.The fulcrum of described left and right rotation shift fork 30 is articulated with the bearing pin 32 arranged respectively in housing respectively, and is locked by holding screw, described bearing pin and left and right half spatial vertical.The left hand and right hand of described handrail 16 on be respectively equipped with handle 33, left hand and right hand is connected upper handle 33 respectively with the control drag-line 31 of left and right rotation shift fork 30.

The present invention is not only confined to above-described embodiment, carries out the technical scheme of few modifications when not deviating from technical solution of the present invention spirit, should fall into protection scope of the present invention.

Claims (10)

1. a hand-held agro-farming soil preparation machine, comprises vehicle frame, running gear, engine, gearbox, it is characterized in that:
Described vehicle frame front portion is provided with shoveling mechanism, described shoveling mechanism comprises and shoveling wholely, support arm, the quantity of described support arm is two, two support arms are symmetricly set on vehicle frame front portion, rear end and the vehicle frame of two support arms are hinged, the front end of two support arms and whole shovel hinged, two support arms shovel hoist cylinder be connected with vehicle frame respectively by whole, support arm and whole the tailpiece of the piston rod shoveling hoist cylinder hinged, vehicle frame and whole cylinder body end of shoveling hoist cylinder hinged, shovel wholely and shovel the crossbeam be fixedly connected with between dump ram with two support arms be connected by whole, shovel with whole the tailpiece of the piston rod shoveling dump ram hinged wholely, crossbeam and whole cylinder body end of shoveling dump ram hinged,
Described running gear comprises left and right caterpillar type tavelling wheel, drive axle, and the left half axle of described drive axle is connected with the driving wheel of left caterpillar type tavelling wheel, and the right axle shaft of described drive axle is connected with the driving wheel of right-hand track chiain formula road wheel;
The power shaft of described gearbox is connected with the main shaft of engine by clutch, the output shaft of gearbox is provided with first, second output gear, first output gear is connected with drive axle, second output gear and one drives oil pump to be connected, this driving oil pump is by high-pressure oil pipe connecting fluid pressure control valve, and hydraulic control valve connects respectively by high-pressure oil pipe and whole shovels hoist cylinder, whole shovels dump ram;
The housing of described gearbox installs handrail, described handrail is respectively equipped with the control stick of clutch operating lever, gear shift operating rod, hydraulic control valve.
2. hand-held agro-farming soil preparation machine according to claim 1, it is characterized in that: the first output gear of described gearbox is connected with the travelling gear power be provided with in Driving axle housing, this travelling gear is enclosed within a power transmission shaft, and the two ends of power transmission shaft are connected with the left and right half of drive axle respectively by arrangement of clutch.
3. hand-held agro-farming soil preparation machine according to claim 2, it is characterized in that: a left side for described drive axle, right axle shaft is supported in the housing of drive axle respectively by clutch shaft bearing, described arrangement of clutch comprises the left side be respectively equipped with in housing, right sliding sleeve, a described left side, right sliding sleeve is slidably matched with the second bearing of arranging respectively in housing respectively, the two ends of described power transmission shaft respectively by the 3rd bearings in a left side, in the hole of right sliding sleeve, described travelling gear is with left, the end face that right sliding sleeve is corresponding is in opposite directions provided with the end-tooth of normal engagement, the opposing one end in right sliding sleeve of left sliding sleeve and left half axle are positioned at one end spline joint of housing, the opposing one end in left sliding sleeve of right sliding sleeve and right axle shaft are positioned at one end spline joint of housing, left, a left side between right sliding sleeve and corresponding clutch shaft bearing, on right axle shaft, cover has return spring respectively, the annular groove that left sliding sleeve is provided with by periphery is connected with left shifting fork mechanism, the annular groove that right sliding sleeve is provided with by periphery is connected with right shifting fork mechanism.
4. hand-held agro-farming soil preparation machine according to claim 3, is characterized in that: described shifting fork mechanism is for rotating shift fork, and the jaw rotating shift fork inserts in the annular groove on sliding sleeve periphery, and the fork-tail rotating shift fork is connected with control drag-line.
5. hand-held agro-farming soil preparation machine according to claim 4, is characterized in that: jaw, the fork-tail of described rotation shift fork are mutually vertical, and during normality, the fork-tail end of anticlockwise shift fork, right rotation shift fork in opposite directions.
6. hand-held agro-farming soil preparation machine according to claim 5, it is characterized in that: the fulcrum of described anticlockwise shift fork, right rotation shift fork is articulated with the bearing pin arranged respectively in housing respectively, the left hand and right hand of described handrail on be respectively equipped with handle, left hand is connected upper handle with the control drag-line of anticlockwise shift fork, the handle on right handgrip is connected with the control drag-line of right rotation shift fork.
7. hand-held agro-farming soil preparation machine according to claim 1, it is characterized in that: described engine is single-cylinder air-cooled diesel engine, this engine is positioned at directly over the supporting wheel of caterpillar type tavelling wheel, and the side of engine fixes diesel fuel tanks, air filter, silencer.
8. hand-held agro-farming soil preparation machine according to claim 1, is characterized in that: be fixedly connected with an installing rack between the left hand and right hand handle of described handrail, each control stick and hydraulic control valve are all fixed on this installing rack.
9. hand-held agro-farming soil preparation machine according to claim 1, is characterized in that: described driving oil pump is connected with gearbox by reduction box.
10. hand-held agro-farming soil preparation machine according to claim 1, it is characterized in that: the housing rear portion of described drive axle is fixed with fuel tank hanger, the hydraulic oil container of described driving oil pump is fixed on this fuel tank hanger.
CN201410256496.9A 2014-06-11 2014-06-11 Hand-held agro-farming soil preparation machine CN104025735B (en)

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CN203884153U (en) * 2014-06-11 2014-10-22 四川艾马仕科技有限公司 Handheld farm-oriented land preparation machine

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