CN2143862Y - Sitting-type double-float helical tiller in paddy field - Google Patents

Abstract

The utility model relates to a sitting-type double-float helical tiller in paddy field, which is used for the tilling operation. A guide handle (13) is arranged on a reduction box (5). An engine (1) is directly connected with the reduction box (5) with a shaft coupling (2) and is arranged on a machine frame (4). The engine (1) is fixed in a ship hull (3) via the reference of the ship hull, forming a leading element. Via a gear box (8) as the reference, a right and a left helical float protecting covers (12) are arranged on the gear box (8); a seat (14) is fixed on the protecting cover (12); the right and the left helical floats (9) are respectively arranged on a power output shaft of the gear box (8), forming a float helical component. The utility model is characterized in that the leading component and the float helical component are connected by a connector pin (7) and form a hinge structure.

Description

Sitting-type double-float helical tiller in paddy field

The utility model relates to a kind of agricultural cultivator, and it is used for the cultivated tillage operation in paddy field, soaked nonirrigated farmland, dark mud pin paddy field.

A kind of " twin shaft gap screw paddyfield plough " arranged in the prior art, and (patent No.: 87205242.7), it is by engine, clutch, reduction box, twin shaft gap conveyor screw, compositions such as hull, preceding (back) handrail.This technical pattern is simple, in light weight, the field convenient transfer, conveyor screw be running gear be again the ploughing and weeding farm implements.But hull and two conveyor screws are to be rigidly connected, and the relative hull of the conveyor screw bottom surface angle that tilts, and steering drag is big, nose during farming, and load is heavy; Conveyor screw rotating speed height, pace is fast, driver's walking operation, labour intensity is big, needs two people operation by turns constantly; Every conveyor screw is by rotating shaft (φ 42 steel pipes), gap helical blade (first, inferior and tail level section), divide mud snail vane sheet to be welded into, during farming conveyor screw because of with the hull bottom angle that tilts, conveyor screw is gone into the soil transfer by oblique cutting and is moved, because of being the gap spiral, soil repeatedly overturns along helical blade again, and complete machine nose, load weigh, oil consumption is high, power loss is big; Engine is installed on the reduction box, and center of gravity is higher, swings during farming, lateral stability is poor.

The purpose of this utility model is to keep the advantage of prior art, overcomes weak point, designs that a kind of guidance quality is good, steering drag is little; Can take advantage of seat, light labor intensity; Raise-free, load is light; Lateral stability is good, the twin float screw paddyfield plough of stable working.

The purpose of this utility model is achieved through the following technical solutions: 1. hull and two spirochetal being rigidly connected to prior art change into, complete machine is divided into hull forms leading parts as reference for installation and be that reference for installation is formed floating drum conveyor screw parts two large divisions with the transmission case, connect with latch between these two big parts, form hinge arrangement; The power of leading parts is passed to two levels by universal joint, and the floating drum conveyor screw that is arranged in parallel is outwards done the constant speed reverse rotation; The driver takes advantage of seat to handle front pilot spare on the seat of floating drum conveyor screw parts, rotates around latch and realizes guiding (turning to), and the floating drum conveyor screw is outwards done under power drives, and the constant speed reverse rotation realizes not only walking but also farming.2. to the conveyor screw of prior art, it is welded into by rotating shaft (φ 42 steel pipes), gap helical blade (first, inferior and rear), branch mud snail vane sheet, changes the floating drum conveyor screw into.It is welded into by floating drum (replacement steel pipe), main helical blade (pitch, the helical blade curved surface becomes wrest), a pair helical blade (spoon of blade is identical with main helical blade wrest); Pay helical blade and be welded in the floating drum end, with main helical blade latter end symmetry place, its lead angle is identical with main helical blade lead angle, at the local double helix of the terminal formation of floating drum.3. the engine to prior art is installed on the deceleration box, changes into engine is connected with shaft coupling with reduction box and is installed on the same frame, is fixed in the hull.Lower the center of gravity.

The utility model compared with prior art, the advantage that has is: the driver can make leading parts rotate around latch by control crank after 1) changing hinge arrangement into, realize guiding (turning to), because of rotating leading parts, slide on the muddy water surface hull bottom surface, and resistance is little, so handle laborsaving, turn to, lead flexibly, roadholding is good, does not balk.And be rigidly connected in the time of need turning to (guiding), handle complete machine and rotate (swing) around front hull center of gravity, the one, radius of turn is big, the 2nd, because of the conveyor screw oblique cutting in soil, so turn to (guiding) resistance big.2) change the floating drum conveyor screw into after, but floating drum support buoys conveyor screw parts and driver weight, the driver takes advantage of seat to handle, and reduces labor intensity; The utility model master helical blade is a pitch only, and the helical blade curved surface becomes wrest, when farming, floating drum contacts only main with the muddy water surface, pay helical blade and insert in the soil, the soil of shearing, carry, overturn promotes complete machine and advances, so raise-free, load is light, and power loss is little, oil consumption is low.And the prior art helical blade is a difference pitch, is sheared, and the soil of conveying repeatedly overturns along helicoid, again can not taking the weight of because of helicoid shaft (φ 42 steel pipes), go back oblique cutting to go in the soil, so consumed power, load weight, oil consumption are high.3) the branch mud snail vane sheet of prior art is littler than main helical blade, and is welded between rear pitch, though can shunt, rubs soil and since not with main helical blade symmetry, so deflection load-bearing stress trembles greatly.The utility model is welded in the terminal and main helical blade latter end symmetry of floating drum place paying helical blade, its lead angle, spiral camber are all identical with main helical blade, so at the local double helix of the terminal formation of floating drum, shunting soil, strengthened the hack ability, cultivating quality is good, reduces the terminal deflection load-bearing stress of floating drum conveyor screw simultaneously, weaken the influence of trembling of floating drum conveyor screw, increase the service life.4) prior art is that engine is installed on the reduction box, use belt transmission, center of gravity is higher, swings during farming, lateral stability is poor, the utility model is direct-connected with shaft coupling with engine and reduction box, and is installed on the same frame, is fixed in the hull, cancelled belt transmission, lower the center of gravity, increased lateral stability, stable working.

The drawing of accompanying drawing is described as follows: accompanying drawing is the side-looking structural representation of an embodiment of the utility model, sitting type twin float screw paddyfield plough relates to a kind of agricultural cultivator, be used for the paddy field, soaked nonirrigated farmland, the cultivated tillage operation in dark mud pin paddy field, it is by engine (1), shaft coupling (2), hull (3), frame (4), reduction box (5), universal joint (6), latch (7), transmission case (8), left and right sides conveyor screw floating drum (9), about main helical blade (10), about pay helical blade (11), left and right sides conveyor screw floating drum guard shield (12), caster assembly therefor (13), seat compositions such as (14).

The utility model embodiment contrasts accompanying drawing and is described in further detail: (one) is installed in caster assembly therefor (13) on the reduction box (5), direct-connected engine (1) and reduction box (5) with shaft coupling (2), and be installed on the same frame (4), and with hull as reference for installation, be fixed in the hull (3), form leading parts; With transmission case (8) is reference for installation, and left and right sides conveyor screw floating drum guard shield (12) is installed in above the transmission case (8), and seat (14) is fixed on the left and right sides conveyor screw floating drum guard shield (12); Left and right sides floating drum conveyor screw (9) is contained in two levels of transmission case (8) respectively, on the power take-off that is arranged in parallel, forms floating drum conveyor screw parts.Be connected with latch (7) between leading parts and floating drum conveyor screw parts, form hinge arrangement; The driver takes advantage of seat on seat (14), handle caster assembly therefor (13), the hull (3) of leading parts is rotated around latch (7), realize guiding (turning to), because of supporting leading component weight in roomy hull bottom surface, and slide on the muddy water surface, the little manipulation of resistance is laborsaving, guiding (turning to) is flexible, roadholding is good, does not balk; The power of engine (1) is to pass to reduction box (5) by shaft coupling (2), output shaft through reduction box (5) is input to transmission case (8) by universal joint (6) with power again, again by two levels of transmission case (8), the power take-off that is arranged in parallel drives left and right sides floating drum conveyor screw (9) and outwards does, the constant speed reverse rotation, floating drum contacts with the muddy water surface, main helical blade (10) only, about pay helical blade (11) and insert in the soil, shear, carry, upset, produce driving force when rubbing soil, promote complete machine and advance, reach and not only walk but also the effect of farming.(2) floating drum conveyor screw in the left and right sides is by floating drum (9), about main helical blade (10), about pay that helical blade (11) is welded into.About main helical blade (10) pitch only, spoon of blade becomes wrest; About pay a helical blade (11) and be welded in floating drum (9) end, with about main helical blade (10) latter end symmetry place, its lead angle, spoon of blade all with about main helical blade (10) identical, at the local double helix of the terminal formation of floating drum (9), reduce the terminal deflection load-bearing stress of floating drum, weakened the influence of trembling, strengthened the soil shunting, rub soil capacity, make cultivating quality good.

Floating drum when farming (9) plays the effect of support buoys conveyor screw parts and driver weight; About main helical blade (10) insert in the soil and shear, carry, upset soil produces driving force, promotes complete machine and advances; About pay the soil that helical blade (11) shears, carries, turns main helical blade (10) about the front and rub.(3) engine (1) reduction box (5) is connected with shaft coupling (2), and be installed on the same frame (4), be fixed in the bottom of hull (3), lower the center of gravity, strengthen lateral stability, and reduce belt transmission.

Claims (3)

1, sitting type twin float screw paddyfield plough relates to a kind of agricultural cultivator, be used for paddy field, soaked nonirrigated farmland, the cultivated tillage operation in dark mud pin paddy field, it by: engine (1), shaft coupling (2), hull (3), frame (4), reduction box (5), universal joint (6), latch (7), transmission case (8), left and right sides conveyor screw floating drum (9), about main helical blade (10), about pay helical blade (11), left and right sides conveyor screw floating drum guard shield (12), caster assembly therefor (13), seat (14) etc. and form;

Caster assembly therefor (13) is installed on the reduction box (5), and is direct-connected with shaft coupling (2) engine (1) and reduction box (5), and is installed on the same frame (4), and with hull as reference for installation, be fixed in the hull (3), form leading parts; With transmission case (8) is reference for installation, left and right sides conveyor screw floating drum guard shield (12) is installed in above the transmission case (8), seat (14) is fixed on the left and right sides conveyor screw guard shield (12), left and right sides floating drum conveyor screw (9) is contained in respectively on two levels of transmission case (8), the power take-off that is arranged in parallel, forms floating drum conveyor screw parts; It is characterized in that being connected with latch (7) between leading parts and floating drum conveyor screw parts, form hinge arrangement; Left and right sides floating drum conveyor screw by floating drum (9), about main helical blade (10), about pay a helical blade (11) and be welded into.

2, according to claim 1, described sitting type twin float screw paddyfield plough is characterized in that: about main helical blade (10) pitch only, spoon of blade becomes wrest.

3, sitting type twin float screw paddyfield plough according to claim 1, it is characterized in that: about pay a helical blade (11) and be welded in floating drum (9) end, and with about main helical blade (10) latter end symmetry, its lead angle, spoon of blade all with about main helical blade (10) identical.

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