CN205793970U - A kind of omnipotent tiller of hand steered forward type - Google Patents

Abstract

This utility model relates to technical field of agricultural machinery, particularly to a kind of omnipotent tiller of hand steered forward type, including bar, engine, gear-box, walking assembly and rotary tillage assembly, bar is connected with gear-box, gear-box is provided with power intake, rotary tillage clutch end and walking clutch end, engine is provided with clutch end, and walking assembly includes wheel shaft and is arranged at the road wheel at wheel shaft two ends, and rotary tillage assembly includes rotary tillage shaft and the some rotary blades being arranged on rotary tillage shaft.The power that engine exports is transferred to road wheel as the driving force assisting walking by gear-box by this utility model, further by differential mechanism or be arranged on the flywheel at wheel shaft two ends and realize assisted diversion, it is easy and simple to handle, safe and reliable, and function is more perfect, with can realizing water and function of ditching.

Description

A kind of omnipotent tiller of hand steered forward type

Technical field

This utility model relates to technical field of agricultural machinery, particularly to a kind of omnipotent tiller of hand steered forward type.

Background technology

Tiller is mainly used in the ploughing and weeding operation in the soils such as paddy field, nonirrigated farmland, horticultural facility, agricultural, because of its have cut soil and The features such as soil-crushing function, in China, application is quite varied.The most all tillers have the biggest district in farming principle at present Not, all tillers on the market have a common feature, are upright gravity type tiller, it is possible to be hoe type miniature ploughing machine, as Peasant is the same with hoe, slower speeds hoes the fields hoe one hoe, and this mode rotary tillage soil block is bigger.Its farming principle is with certainly Oneself gravity is pricked rotary blade in soil, then injects in soil by a resistance rod, such as: rotary blade turns around by being calculated as advance One meter, and resistance rod plays its advance effect that stops, and makes the actual advance of tiller half meter or less, rotary blade then can dig soil block Getting up, the shortcoming of this mode includes: 1. soil block volume is big, and the fine and smooth not effect of soil property is poor；If 2. soil property hardness is uneven Even, such as left side soil property is harder, and right side soil property is softer, or runs into stone in cultivating procedure, easily makes tiller sideslip, easily Injury crops or machine are translated into hurt sb.'s feelings；3., due to rotary cultivator three points of contact, center of gravity, upper, as easy as rolling off a log when farming slope is turned over Machine, three strong points have any of which one to run into barrier all to cause machine sideslip or turn over machine；The most also encounter local soil Ground lump, resistance rod inserts not enter in soil, and tiller oneself runs quickly, draws by manpower and does not the most also catch up with, and soil does not has Plough, the most easily cause accident；The most also resistance rod causes tiller to turn to dumb in injecting soil is also Frequent Accidents Main cause, is commonly encountered when such soil and situation meeting in actual farming, and resistance rod, with being not, need not be not, and this is also The fault of construction place of the tiller of existing band resistance rod, otherwise cannot overcome unless changed structure；6. tiller is when falling back Likely can be pressed onto with operator, so accident rate is the highest.Recording according to available data, tiller accident is sent out Raw 1733, death has 632, and severe injury has 630 more than one piece, so a lot of peasant do not like existing old-fashioned tiller.

Although some tiller solves the do mechanization operation problem in narrow and small plot on market, see patent announcement number: CN203788650U, CN204131936U, CN20395173U, but still there is following defect:

Driving that road wheel is unpowered, thus tiller need to drive by external force or manually promote it to advance, operation inconvenience and Arduously, it is impossible to suitable water ground and listing.Tiller turns to dumb, especially when rotary blade high-speed rotation farming, turns More heavy to operation.

In addition, existing tiller there is also following safety problem, and the arm rest at tiller is provided with for controlling The Isolating Switch of clutch processed, the mode of operation used at present is, holds tight Isolating Switch, clutch separation, and tiller stops Farming；Hands decontrols Isolating Switch, clutch seizure, the normal farming of tiller.Owing to this mode of operation is opened when staff departs from clutch Guan Hou, there is the state departing from farming the most voluntarily after operator controls in tiller, thus this mode of operation is abnormally dangerous.

Summary of the invention

The purpose of this utility model is for the deficiencies in the prior art, it is provided that a kind of omnipotent tiller of hand steered forward type, The power that engine exports is transferred to the road wheel driving force as auxiliary walking by gear-box by this omnipotent tiller, enters one Walk by differential mechanism and or be arranged on the flywheel at wheel shaft two ends and realize assisted diversion, its easy and simple to handle, safety and reliability, function is more Perfect, water can be realized and function of ditching.

For solving the problems referred to above, this utility model offer techniques below scheme:

A kind of omnipotent tiller of hand steered forward type, including bar, engine, gear-box, walking assembly and rotary tillage assembly, Bar is connected with gear-box, and gear-box is provided with power intake, rotary tillage clutch end and walking clutch end, engine It is provided with clutch end, and the clutch end of engine is connected by transmission shaft driven with the power intake of gear-box, OK Walking assembly include wheel shaft and be arranged at the road wheel at wheel shaft two ends, wheel shaft is arranged in the rear end of gear-box, and the walking of gear-box Clutch end is in transmission connection with wheel shaft, and rotary tillage assembly includes rotary tillage shaft and the some rotary blades being arranged on rotary tillage shaft, rotary tillage Axle is arranged in the front end of gear-box, and the rotary tillage clutch end of gear-box is in transmission connection with rotary tillage shaft.

Further, gear-box includes casing, is provided with train of reduction gears and chain gear transmission is secondary in casing, chain gear transmission pair One end is in transmission connection with train of reduction gears, and the other end of chain gear transmission pair is in transmission connection with rotary tillage shaft, and train of reduction gears is by poor Speed device is in transmission connection with wheel shaft.

Preferably, the rear portion of casing is provided with cover plate, and cover plate is welded with support, and engine is fixedly installed on this support. Water pump it is provided with removably on described support.The bottom of gear-box is provided with the connecting portion for connecting trailer.

Another program, is provided with flywheel between road wheel and wheel shaft, flywheel includes outer ring, inner ring and side cover；Outer ring and walking Wheel is fixing to be connected, and inner ring is fixing with wheel shaft to be connected；The periphery of inner ring is provided with chisel teeth, and the inner circumferential of outer ring is provided with and wedge shape The shell fragment that tooth coordinates, is provided with compression spring between shell fragment and outer ring.

Further, described gear-box is additionally provided with the first clutch, and this first clutch is clutch open in usual Structure, the clutch for clutch control between train of reduction gears and chain gear transmission pair；The first clutch for clutch control handle it is additionally provided with on bar, should First clutch for clutch control handle is connected with the first clutch by the first clutch bracing wire.Wherein, described first clutch for clutch control handle Connecting including mounting blocks, snap close and Isolating Switch, Isolating Switch and the first clutch bracing wire, Isolating Switch is rotatablely arranged to be held up On hand lever, mounting blocks is fixedly installed on bar, and snap close is hinged with mounting blocks, also sets up in the hinged place of snap close with mounting blocks There is the first torsion spring making snap close bias to Isolating Switch direction, snap close is provided with the fore shaft coordinated with Isolating Switch；When passing through When Isolating Switch strains the first clutch bracing wire, the end of Isolating Switch is placed in the fore shaft of snap close.

Further, described gear-box is additionally provided with the second clutch, and this second clutch is normally closed type clutch Structure, for the clutch for clutch control between train of reduction gears and differential mechanism；Being additionally provided with the second clutch for clutch control handle on bar, this is second years old Clutch for clutch control handle is connected with the second clutch by the second clutch bracing wire.Wherein, described second clutch for clutch control handle includes The sliding sleeve being movably set on bar and lock dog, sliding sleeve and the second clutch bracing wire connect, and lock dog is hinged with sliding sleeve, at lock dog and The hinged place of sliding sleeve is additionally provided with the second torsion spring that the one end making lock dog biases to bar direction；When pulling out sliding sleeve, sliding sleeve Drive the second clutch bracing wire to control the second clutch, and lock dog is spacing with bar under the partial pressure of the second torsion spring Coordinate, so that the second clutch keeps released state；When pressing lock dog, lock dog departs from spacing cooperation, sliding sleeve with bar Reset under the resilient force of the second clutch bracing wire.

Beneficial effect: the omnipotent tiller of this money is the omnipotent tiller of a horizontally-inclined light pressure high-speed type band drivewheel, its Main structure is to utilize gear-box to substitute conventional airframe, and directly by gear-box, power is transferred to road wheel, as The driving force of auxiliary walking, its compact structure, driving force is higher, operates more convenient, it is possible to achieve water ground and listing.Its Farming principle is: rotary blade is front, and electromotor is rear, and operator apart from farther, add processing safety from rotary blade；In Between support by two-wheel, before pressure gentlier rely on the high speed rotating of rotary blade that soil is the most quickly dug, so native Block is very thin, can be referred to as " dig the omnipotent tiller of formula ", owing to the rotary blade of front end slightly overweights the engine of rear end, therefore when moving Power machine can't drive whole omnipotent tiller to advance when driving rotary blade high-speed rotation.This omnipotent tiller has a following benefit: 1. can farming under short tree crown；2., due to machine gravity height reduction, add four-point supporting, thus can farming slope land not Can turn on one's side, improve safety；After the most omnipotent tiller height reduction, fertilizer applicator, water pump, generating can be installed on omnipotent tiller The equipment such as machine, it is achieved a tractor serves several purposes；4. two-wheel uses drivewheel, increases driving power, it is adaptable to water ground and listing；5. because of Not pricking enter the resistance rod in soil, two-wheel is turned the most flexible when farming；6. use two-wheel to support, can realize across zanjon, climb Mountain, turning over candy, increase motility, the depth is followed one's bent, ploughed and do not stay dead angle, complexity plot also can be ploughed；7. the most left during shallow plowing The right side is waved and can be realized just can directly hoeing up weeds by more allowing blade replacement；8. alleviate, therefore when running into pan soil due to front end rotary blade pressure Or during stone, rotary blade can be hardening and automatic floating gets up along with soil condition, will not sideslip or turn over machine；9. complete machine structure is simple, maintenance Convenient.

Accompanying drawing explanation

Fig. 1 is plan structure schematic diagram of the present utility model；

Fig. 2 is the structural representation of this utility model gear-box；

Fig. 3 is the decomposition texture schematic diagram of flywheel in this utility model；

Fig. 4 is the operation principle schematic diagram of flywheel in this utility model；

Fig. 5 is the structural representation of the first clutch for clutch control handle in this utility model；

Fig. 6 is the structural representation of the second clutch for clutch control handle in this utility model.

Description of reference numerals: 1, bar；2, engine；3, gear-box；4, power transmission shaft；5, wheel shaft；6, road wheel；7, rotation Plough axle；8, rotary blade；9, cover plate；10, support；11, water pump；12, connecting portion；13, train of reduction gears；14, chain gear transmission is secondary； 15, differential mechanism；16, flywheel；17, outer ring；18, inner ring；19, side cover；20, chisel teeth；21, shell fragment；22, compression spring；23, One clutch for clutch control handle；24, the first clutch bracing wire；25, mounting blocks；26, snap close；27, Isolating Switch；28, the first torsion spring；29、 Fore shaft；30, the second clutch for clutch control handle；31, the second clutch for clutch control bracing wire；32, sliding sleeve；33, lock dog；34, the second torsion spring；35、 First clutch；36, the second clutch.

Detailed description of the invention

Below in conjunction with Figure of description and embodiment, specific embodiment of the utility model is described in further detail:

With reference to the one omnipotent tiller of hand steered forward type shown in Fig. 1-Fig. 6, including bar 1, engine 2, gear-box 3, walking assembly and rotary tillage assembly, bar 1 is connected with gear-box 3, and gear-box 3 is provided with power intake, the output of rotary tillage power End and walking clutch end, engine 2 is provided with clutch end, and the power of the clutch end of engine 2 and gear-box 3 Input is in transmission connection by power transmission shaft 4 (worm-and-wheel gear), and walking assembly includes wheel shaft 5 and is arranged at wheel shaft 5 two ends Road wheel 6, wheel shaft 5 is arranged in the rear end of gear-box 3, and the walking clutch end of gear-box 3 is in transmission connection with wheel shaft 5, rotation Cultivated assembly includes rotary tillage shaft 7 and the some rotary blades 8 being arranged on rotary tillage shaft 7, and rotary tillage shaft 7 is arranged in the front end of gear-box 3, and The rotary tillage clutch end of gear-box 3 is in transmission connection with rotary tillage shaft 7.

The rear portion of casing is provided with cover plate 9, and cover plate 9 is welded with support 10, and engine 2 is fixedly installed on this support 10, Being provided with water pump 11 removably on described support 10, in the present embodiment, support 10 is two-layer, and engine 2 is bolted Being arranged in upper layer bracket 10, water pump 11 is detachably mounted between upper layer bracket 10 and lower floor support 10, engine 2 and water Pump 11 can also be in transmission connection by transmission.The bottom of gear-box 3 is provided with the connecting portion 12 for connecting trailer, when trailer connects When being connected on connecting portion 12, this omnipotent tiller becomes a kind of agricultural transporting instrument, transports in some farm implements can be positioned over trailer Transport to farming place.

Further, gear-box 3 includes casing, is provided with train of reduction gears 13 and chain gear transmission pair 14, reducing gear in casing The output speed of power transmission shaft 4 is transferred to after multi-stage speed-reducing wheels 13 rotary tillage shaft 7 respectively and wheel shaft 5 exports, such as power transmission shaft 4 Rotating speed is 1800R/M, is 360R/M when output is to rotary tillage shaft 7, is 9R/M during output valve wheel shaft 5, so that rotary tillage shaft 7 and wheel shaft 5 obtain different rotating speeds respectively, it is achieved synchronize farming and walking, and one end of chain gear transmission pair 14 is with train of reduction gears 13 transmission even Connecing, the other end of chain gear transmission pair 14 is in transmission connection with rotary tillage shaft 7, and train of reduction gears 13 is by differential mechanism 15 and wheel shaft 5 transmission Connecting, specifically, chain gear transmission pair 14 includes drive sprocket, driving chain and driven sprocket, and driving chain is set around drive chain On wheel and driven sprocket, drive sprocket engages with train of reduction gears 13, and driven sprocket is in transmission connection with rotary tillage shaft 7.Differential mechanism 15 It is capable of two, left and right road wheel 6 difference to rotate, thus beneficially steering operation.

Another program corresponding with differential mechanism 15, is provided with flywheel 16, outside flywheel 16 includes between road wheel 6 and wheel shaft 5 Circle 17, inner ring 18 and side cover 19, inner ring 18 is arranged in outer ring 17, and side cover 19 is covered on side, outer ring 17；Outer ring 17 and wheel shaft 5 Fixing connection, inner ring 18 is fixing with road wheel 6 to be connected；The periphery of inner ring 18 is provided with chisel teeth 20, and the inner circumferential of outer ring 17 is pacified Equipped with the shell fragment 21 coordinated with chisel teeth 20, between shell fragment 21 and outer ring 17, it is provided with compression spring 22.Under normal conditions, shell fragment 21 Front portion is stuck between two chisel teeths 20 under the effect of compression spring 22, when outer ring 17 rotates counterclockwise along with wheel shaft 5, and bullet The root of chisel teeth 20 is withstood in the front portion of sheet 21, makes inner ring 18 rotate the most counterclockwise along with outer ring 17, final drive road wheel 6 Rolls forward；But when needing steering operation, side road wheel 6 is pushed ahead so that the inner ring 18 of this side flywheel 16 can be relatively Outer ring 17 accelerates to rotate, so that left and right sides road wheel 6 produces differential and advances, and beneficially power-assisted steering；When wheel shaft 5 does not obtains In the case of power, when promoting machine forward, road wheel 6 rotates counterclockwise, and the inner ring 18 that be connected fixing with road wheel 6 is the most therewith Rotating counterclockwise, shell fragment 21 is outwards backed down by chisel teeth 20, makes outer ring 17 not rotate with inner ring 18.

Further, described gear-box 3 is additionally provided with the first clutch 35, this first clutch 35 be open in usual from Close mechanism, the clutch for clutch control between train of reduction gears 13 and chain gear transmission pair 14；The first clutch control it is additionally provided with on bar 1 Handle 23 processed, this first clutch for clutch control handle 23 is connected with the first clutch 35 by the first clutch bracing wire 24.Wherein, described First clutch for clutch control handle 23 includes mounting blocks 25, snap close 26 and Isolating Switch 27, Isolating Switch 27 and the first clutch bracing wire 24 Connecting, Isolating Switch 27 is rotatablely arranged on bar 1, and mounting blocks 25 is fixedly installed on bar 1, snap close 26 and peace Dress block 25 is hinged, is additionally provided with make that snap close 26 biases to Isolating Switch 27 direction the in the hinged place of snap close 26 with mounting blocks 25 One torsion spring 28, snap close 26 is provided with the fore shaft 29 coordinated with Isolating Switch 27；When straining the first clutch bracing wire 24, clutch is opened The end of pass 27 is placed in the fore shaft 29 of snap close 26.Isolating Switch 27 of holding with a firm grip for a long time in view of staff is omnipotent micro-cultivated to operate Machine, very effort, and on bar 1, devise this snap close 26 device, its operation is more laborsaving.During use, by Isolating Switch 27 Being pulled upwardly, owing to the first torsion spring 28 provides biasing force forward to fore shaft 29, therefore Isolating Switch 27 can the most firmly It is stuck in fore shaft 29, so that omnipotent tiller remains normal farming；When omnipotent tiller needs to stop farming, it is only necessary to Snap close 26 is stirred the most gently so that the fore shaft 29 of snap close 26 separates with the end of Isolating Switch 27, and Isolating Switch 27 is automatic Unclamp.Preferably, fore shaft 29 side of snap close 26 is arranged to arc, in order to Isolating Switch 27 armrest bar 1 rotates.

Further, described gear-box 3 is additionally provided with the second clutch 36, this second clutch 36 be normally closed type from Close mechanism, the clutch for clutch control between train of reduction gears 13 and differential mechanism 15；The second clutch for clutch control hands it is additionally provided with on bar 1 Handle 30, this second clutch for clutch control handle 30 is connected with the second clutch 36 by the second clutch bracing wire 31.Wherein, described second Clutch for clutch control handle 31 includes sliding sleeve 32 and the lock dog 33 being movably set on bar 1, sliding sleeve 32 and the second clutch bracing wire 31 Connecting, lock dog 33 is hinged with sliding sleeve 32, is additionally provided with in the hinged place of lock dog 33 with sliding sleeve 32 and makes one end of lock dog 33 to handrail Second torsion spring 34 of bar 1 direction bias；When pulling out sliding sleeve 32, sliding sleeve 32 drives the second clutch bracing wire 31 to control the second clutch Structure 36, and lock dog 33 is spacing with bar 1 under the partial pressure of the second torsion spring 34 coordinates, so that the second clutch 36 Keep released state；When pressing lock dog 33, lock dog 33 departs from spacing cooperation with bar 1, and sliding sleeve 32 is in the second clutch bracing wire Reset under the resilient force of 31.

The above, be only preferred embodiment of the present utility model, not make technical scope of the present utility model Go out any restriction, thus every according to technical spirit of the present utility model, above example is made any trickle amendment, equivalent Change and modification, all still fall within the range of the technical solution of the utility model.

Claims (10)

1. the omnipotent tiller of hand steered forward type, including bar, engine, gear-box, walking assembly and rotary tillage assembly, holds up Hand lever is connected with gear-box, it is characterised in that: gear-box is provided with power intake, rotary tillage clutch end and walking power output End, engine is provided with clutch end, and the power intake of the clutch end of engine and gear-box is passed by power transmission shaft Being dynamically connected, walking assembly includes wheel shaft and is arranged at the road wheel at wheel shaft two ends, and wheel shaft is arranged in the rear end of gear-box, and gear The walking clutch end of case is in transmission connection with wheel shaft, and rotary tillage assembly includes rotary tillage shaft and the some rotary tillages being arranged on rotary tillage shaft Cutter, rotary tillage shaft is arranged in the front end of gear-box, and the rotary tillage clutch end of gear-box is in transmission connection with rotary tillage shaft.

The omnipotent tiller of hand steered forward type the most according to claim 1, it is characterised in that: gear-box includes casing, casing Inside being provided with train of reduction gears and chain gear transmission is secondary, one end of chain gear transmission pair is in transmission connection with train of reduction gears, and chain gear transmission is secondary The other end be in transmission connection with rotary tillage shaft, train of reduction gears is in transmission connection with wheel shaft by differential mechanism.

The omnipotent tiller of hand steered forward type the most according to claim 2, it is characterised in that: the rear portion of casing is provided with cover plate, Being welded with support on cover plate, engine is fixedly installed on this support.

The omnipotent tiller of hand steered forward type the most according to claim 3, it is characterised in that: set removably on described support It is equipped with water pump.

The omnipotent tiller of hand steered forward type the most according to claim 1, it is characterised in that: the bottom of gear-box be provided with for Connect the connecting portion of trailer.

The omnipotent tiller of hand steered forward type the most according to claim 1, it is characterised in that: it is provided with between road wheel and wheel shaft Flywheel, flywheel includes outer ring, inner ring and side cover；Outer ring is fixing with wheel shaft to be connected, and inner ring is fixing with road wheel to be connected；Outside inner ring It is provided with chisel teeth week, the inner circumferential of outer ring is provided with the shell fragment coordinated with chisel teeth, between shell fragment and outer ring, be provided with pressure bullet Spring.

The omnipotent tiller of hand steered forward type the most according to claim 2, it is characterised in that: described gear-box is additionally provided with One clutch, this first clutch is clutch open in usual, between train of reduction gears and chain gear transmission pair from Close and control；Being additionally provided with the first clutch for clutch control handle on bar, this first clutch for clutch control handle is by the first clutch bracing wire and the One clutch connects.

The omnipotent tiller of hand steered forward type the most according to claim 7, it is characterised in that: described first clutch for clutch control handle Connecting including mounting blocks, snap close and Isolating Switch, Isolating Switch and the first clutch bracing wire, Isolating Switch is rotatablely arranged to be held up On hand lever, mounting blocks is fixedly installed on bar, and snap close is hinged with mounting blocks, also sets up in the hinged place of snap close with mounting blocks There is the first torsion spring making snap close bias to Isolating Switch direction, snap close is provided with the fore shaft coordinated with Isolating Switch；When passing through When Isolating Switch strains the first clutch bracing wire, the end of Isolating Switch is placed in the fore shaft of snap close.

The omnipotent tiller of hand steered forward type the most according to claim 2, it is characterised in that: described gear-box is additionally provided with Two clutches, this second clutch is normally closed type clutch, for the clutch control between train of reduction gears and differential mechanism System；Be additionally provided with the second clutch for clutch control handle on bar, this second clutch for clutch control handle by the second clutch bracing wire with second from Close mechanism to connect.

The omnipotent tiller of hand steered forward type the most according to claim 9, it is characterised in that: described second clutch for clutch control hands Handle includes that sliding sleeve and the lock dog being movably set on bar, sliding sleeve and the second clutch bracing wire connect, and lock dog is hinged with sliding sleeve, Lock dog is additionally provided with, with the hinged place of sliding sleeve, the second torsion spring that the one end making lock dog biases to bar direction；When pull-out sliding sleeve Time, sliding sleeve drives the second clutch bracing wire to control the second clutch, and lock dog under the partial pressure of the second torsion spring with hold up The spacing cooperation of hand lever, so that the second clutch keeps released state；When pressing lock dog, lock dog departs from spacing joining with bar Close, slide over and reset under the resilient force of the second clutch bracing wire.