CN2335345Y

CN2335345Y - Light self-propelled tiller

Info

Publication number: CN2335345Y
Application number: CN 98231149
Authority: CN
Inventors: 郑义初; 郑义禄
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-08-04
Filing date: 1998-08-04
Publication date: 1999-09-01
Anticipated expiration: 2008-08-04

Abstract

The utility model introduces a light hand-propelled tiller, which belongs to the technical field of a tillage machinery for water fields. The utility model is composed of a diesel engine, a transmission mechanism, driving wheels, a machine frame, a handrail frame, a ploughshare and a lifting mechanism. The utility model has the main improvement that the both ends of an output shaft of a transmission box of the transmission mechanism are axially connected with two driving wheels, wherein, an auxiliary steering device is arranged between the driving wheel on one side and a shaft; the auxiliary steering device can be manually operated; the auxiliary steering device is composed of a handle, a drawing rod, a shifting fork, a tooth key, a tooth groove and a spring; the tooth key is fixed on the output shaft; the tooth groove is fixed on the wheel shaft of the driving wheel; the tooth groove is matched with the tooth key. Thereby, the utility model has the advantages of convenient use, stable and quick tillage, flexible steering and light machine body. The utility model is especially suitable for mechanized farming of small fields for mountain areas.

Description

Light-duty hand steered harvesting and tillage machine

The utility model is a kind of improved light-duty hand steered harvesting and tillage machine, belongs to the agricultural water Tagayasu Den is particularly useful for fritter field, mountain area, hills as field of mechanical technique farming.

In the mountain area, hills, owing to be subjected to the condition restriction in fritter field, big-and-middle-sized boat-carrying power tiller tool difficulty is had place to show one's prowess, this with regard to need a kind of small and light, move convenient, flexible tillage machinery and substitute, thereby make these areas generally realize mechanized.

The purpose of this utility model provides a kind of improved light-duty hand steered harvesting and tillage machine, and it can adapt to the mechanized farming in fritter field, vast hilly country especially.

The utility model is to realize like this, this improved light-duty hand steered harvesting and tillage machine, it is by diesel engine (1), transmission mechanism, driving wheel (22), frame (23), arm-rest frame (10), turnplow (18) and elevating mechanism are formed, wherein diesel engine (1) is fixed on the frame (23) and has the control crank (11) that is installed on the arm-rest frame (10), handle (11) is connected with diesel engine (1) throttle by pull bar (7), transmission mechanism includes belt pulley (2,5), belt (4) and gearbox (21) and auxiliary wheel (3), gearbox (21) is fixed on the frame (23), belt pulley (2) axle sleeve is on diesel engine (1) output shaft, belt pulley (5) axle sleeve is on gearbox (21) power shaft, belt (4) is around belt pulley (2,5), auxiliary wheel (3) is located on belt (4) one side frames and has the control crank (12) that is located on the above-mentioned arm-rest frame (10), handle (12) is connected with auxiliary wheel (3) support by pull bar (8), frame (23) tail end has the draw bar (19) of Tracting share (18), its improvements are that described gearbox (21) is by its output shaft (24) two ends driving wheel (22) that is coupling, wherein has shift fork (26) between a driving wheel (22) and the axle (24), tooth key (25), alveolus (27) and spring (28) with tooth key (25) size coupling, tooth key (25) fixed axis is connected on axle (24) termination, the corresponding fixed axis of alveolus (27) is connected on driving wheel (22) wheel shaft, shift fork (26) is positioned between tooth key (25) and the alveolus (27) and cover is buckled on the tooth key (25), be with spring (28) on the axle (24) between tooth key (25) and the gearbox (21), shift fork (26) has the handle (13) that is located at arm-rest frame (10) handle place, handle (13) is connected with shift fork (26) by pull bar (9), handle (13) all is " L " font with shift fork (26), can handle down at handle (13) and spur shift fork (26) pressuring spring (28) by pull bar (9) and make tooth key (25) move axially disengaging alveolus (27) can under spring (28) elastic force effect, to make reset above-mentioned handle (13) within alveolus (27) of tooth key (25) again, pull bar (9), shift fork (26), tooth key (25) constitutes auxiliary steering mechanism with alveolus (27) and spring (28), described elevating mechanism includes an arc-shaped rack (17) and a lever (15), tooth bar (17) lower end is fixed on the above-mentioned draw bar (19), lever (15) grip is provided with handle (14), lever (15) locates to be provided with a spring catch (16) near tooth bar (17), steel wire connects between spring catch (16) and the handle (14), spring catch (16) pin fork supports into tooth bar (17) tooth mouth, and described turnplow then is installed on the lever (15).Because light-duty hand steered harvesting and tillage machine of the present utility model such as above-mentioned its gearbox (21) use an output shaft (24) to be coupling two-wheel so smooth running is capable, since wherein a side wheel axle with the axle (24) but clutch turn to so can realize the driving wheel single-wheel, corner is big, rotating speed is quick, flexible operation.And former ship shape power carrier is substituted from connecing by simple and easy frame (23) and driving wheel (22), the manned operation of sitting posture also is that hand steered operation substitutes, alleviated complete machine weight greatly, so make that again diesel engine (1) can be by high-power little of two horsepowers, from and make complete machine further obtain alleviating and the dwindling of fuselage, the multi-faceted requirement that adapts to fritter field, hilly country, both can surely promptly keep straight on, wide-angle is turned and is implemented the whole field of farming easily again, but both self crossed ditch ridge road, field, can be the single household user again and carry superior colliculus on the shoulder, very practical.Because complete machine is light-duty compact, make its production cost descend greatly again, make its ratio of performance to price have sizable advantage in agricultural machinery market, therefore doubly have a potentiality to be exploited.

Below in conjunction with specific embodiment shown in the accompanying drawing light-duty hand steered harvesting and tillage machine of the present utility model is further described.

Fig. 1 is light-duty hand steered harvesting and tillage machine structural representation;

Fig. 2 is a light-duty hand steered harvesting and tillage machine vertical view shown in Figure 1;

Fig. 3 is the shift fork partial structure schematic diagram of steering mechanism;

Fig. 4 is the structural representation of tooth key shown in Figure 3;

Fig. 5 is the structural representation of alveolus shown in Figure 3.

Among above Fig. 1-5, wherein:

1-diesel engine 2-belt pulley 3-auxiliary wheel 4-belt

5-belt pulley 6-instrument cases 7-pull bar 8-pull bar

9-pull bar 10-arm-rest frame 11-handle 12-handle

13-handle 14-handle 15-lever 16-spring catch

17-tooth bar 18-turnplow 19-draw bar 20-shift fork box

21-gearbox 22-driving wheel 23-frame 24-axle

25-tooth key 26-shift fork 27-alveolus 28-spring

With reference to Fig. 1, the light-duty hand steered harvesting and tillage machine of this embodiment of the utility model has the frame (23) of a band metal tools case (6), upwards the extend arm-rest frame (10) of iron body plan of frame (23) right side, diesel engine (1) that power is 2 horsepowers of left side carrying of frame (23), the gearbox (21) that has shift fork box (20) is installed in frame (23) below, gearbox (21) both sides two driving wheels (22) as shown in Figure 2 that are coupling, as shown in Figure 3 shift fork (26) between the output shaft (24) of wherein right wheel wheel shaft and gearbox (21), shift fork (26) fork sheet two ends are respectively the tooth key (25) that is fixed on the axle (24), with the alveolus (27) that is fixed on right side driving wheel (22) wheel shaft, alveolus (25) and alveolus (27) intracavity section such as Fig. 4 with shown in Figure 5 all be plum blossom shape and size mutually coupling event tooth key (25) can in alveolus (27), axially freely move back and forth.As shown in Figure 3, be with a metal spring (28) on the axle (24) between tooth key (25) and the gearbox (21), shift fork (26) is by handle (13) control that is installed on the arm-rest frame (10), handle (13) all is " L " font with shift fork (26), hold handle (13), handle (13) and shift fork (26) thus do counter rotation equally and stir tooth key (25) compression spring (28) and move down, and break away from alveolus (27), driving wheel (22) can be turned to separately thus.Pass through belt pulley (5) deceleration transferring power between above-mentioned diesel engine (1) and the gearbox (21), belt (4) adopts V belt to form loose fit around the belt pulley (2) of diesel engine (1) and the belt pulley (5) of gearbox (21), go up the auxiliary wheel (3) of hinged " L " font bracket supports then in the frame (23) of a side belt lower end, the other end of these bracket supports auxiliary wheel (3) one ends connects a pull bar (8), establishes one handle (12) at the arm rest of arm-rest frame (10) simultaneously and is connected with this pull bar (8).When making handle (12) pulling pull bar (8) can by pull bar (8) draw auxiliary wheel (3) thus support turn clockwise and make auxiliary wheel (3) oppress belt (4), make belt (4) and belt pulley (2) and belt pulley (5) change into tight fit by loose fit, so as to implementing transmission work, the loose fit that can recover belt (4) and skin belt pulley (2,5) by control crank (12) again quits work when for example turning to temporarily then.Draw bar (19) is stretched out on above-mentioned frame (23) right side, draw bar (19) the termination affixed arc-shaped rack (17) that makes progress, draw bar (19) middle part is provided with the support of a lever (15), the handle of lever (15) crosses out outside the tooth bar (17), lever (15) handle place establishes one " L " font handle (14), handle (14) is arranged a spring catch (16) that is fixed on the lever (15) towards tooth bar (17) direction, the pin fork of spring catch (16) can effectively be snapped in the tooth bar under the elastic force effect, one detachable turnplow (18) is set on the lever (15) between spring catch (16) and the draw bar (19) downward vertically, so that change the whole field of cake class utensil, and the pin fork compression spring that makes above-mentioned handle (14) can spur spring catch (16) when inhour is rotated under the effect of operator's grip breaks away from tooth bar (17) tooth mouth, lift simultaneously or depress lever (15) handle is highly promptly regulated the turnplow tilth to regulate turnplow (18), release handle (14) then, make pin fork return under the elastic force effect of spring of spring catch (16), again snap in tooth bar (17) tooth mouth, locking turnplow (18).The light-duty hand steered harvesting and tillage machine of the utility model of Gou Chenging is tried out through advanced development and is proved to be reasonable in design thus, and is respond well.Its type is reliable, and is easy to use, turns to flexibly, and fuselage is light and handy and with low cost, is the especially desirable ploughing equipment of massif small piece paddy field of paddy field.

Claims

1, a kind of improved light-duty hand steered harvesting and tillage machine, it is by diesel engine (1), transmission mechanism, driving wheel (22), frame (23), arm-rest frame (10), turnplow (18) and elevating mechanism are formed, wherein diesel engine (1) is fixed on the frame (23) and has the control crank (11) that is installed on the arm-rest frame (10), handle (11) is connected with diesel engine (1) throttle by pull bar (7), transmission mechanism includes belt pulley (2,5), belt (4) and gearbox (21) and auxiliary wheel (3), gearbox (21) is fixed on the frame (23), belt pulley (2) axle sleeve is on diesel engine (1) output shaft, belt pulley (5) axle sleeve is on gearbox (21) power shaft, belt (4) is around belt pulley (2,5), auxiliary wheel (3) is located on belt (4) one side frames and has the control crank (12) that is located on the above-mentioned arm-rest frame (10), handle (12) is connected with auxiliary wheel (3) support by pull bar (8), frame (23) tail end has the draw bar (19) of Tracting share (18), it is characterized in that described gearbox (21) is by its output shaft (24) two ends driving wheel (22) that is coupling, wherein has shift fork (26) between a driving wheel (22) and the axle (24), tooth key (25), alveolus (27) and spring (28) with tooth key (25) size coupling, tooth key (25) fixed axis is connected on axle (24) termination, the corresponding fixed axis of alveolus (27) is connected on driving wheel (22) wheel shaft, shift fork (26) is positioned between tooth key (25) and the alveolus (27) and cover is buckled on the tooth key (25), be with spring (28) on the axle (24) between tooth key (25) and the gearbox (21), shift fork (26) has the handle (13) that is located at arm-rest frame (10) handle place, handle (13) is connected with shift fork (26) by pull bar (9), handle (13) all is " L " font with shift fork (26), can handle down at handle (13) and spur shift fork (26) pressuring spring (28) by pull bar (9) and make tooth key (25) move axially disengaging alveolus (27) can under spring (28) elastic force effect, to make reset above-mentioned handle (13) within alveolus (27) of tooth key (25) again, pull bar (9), shift fork (26), tooth key (25) constitutes auxiliary steering mechanism with alveolus (27) and spring (28), described elevating mechanism includes an arc-shaped rack (17) and a lever (15), tooth bar (17) lower end is fixed on the above-mentioned draw bar (19), lever (15) grip is provided with handle (14), lever (15) locates to be provided with a spring catch (16) near tooth bar (17), steel wire connects between spring catch (16) and the handle (14), spring catch (16) pin fork supports into tooth bar (17) tooth mouth, and described turnplow then is installed on the lever (15).