CN2707591Y - Multifunctional miniature hand tractor - Google Patents
Multifunctional miniature hand tractor Download PDFInfo
- Publication number
- CN2707591Y CN2707591Y CN 200420065299 CN200420065299U CN2707591Y CN 2707591 Y CN2707591 Y CN 2707591Y CN 200420065299 CN200420065299 CN 200420065299 CN 200420065299 U CN200420065299 U CN 200420065299U CN 2707591 Y CN2707591 Y CN 2707591Y
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- gear box
- change speed
- speed gear
- wheel
- rear portion
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- Expired - Fee Related
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Abstract
The utility model belongs to a miniature hand tractor. A diesel and a gearbox are respectively installed at the anterior upper part of a machine frame and the anterior lower part of the machine frame, the gearbox only has a primary gear and a primary chain transmission, the chain wheel driving shaft of a secondary chain transmission is extended out from the gearbox, the extending end is a shaft whose section is regular polygon, and the outer end of the shaft is provided with a screw thread. A clutch device is composed of a belt, a rocker, a connecting rod and a chute, the belt is connected between the small belt pulley of the diesel and the big belt pulley of the gearbox, the intermediate section of the connecting rod is hinged with the machine frame, both ends of the connecting rod is hinged with the anterior end of the rocker and the rear part of the diesel, the chute is composed of a bolt installing a slotted hole, and the bolt is on the machine frame. The lower part or the rear part of the gearbox is provided with a supporting rod mounting hole, and the rear part of the gearbox is provided with a dragging hole. The utility model has simple structure, light weight and low cost, and the extending end of the driving shaft is installed a rubber wheel, a rotary tillage wheel, a non-skid wheel or a steel cable rolling wheel. The dragging hole is accordingly installed a tail wheel, a trailer, a supporting rod, a rolling fork, a weeding plate or a foot rod, and the miniature hand tractor can finish the operations of transportation, rotary tillage, forking field, weeding field or hoisting, etc.
Description
Technical field
The utility model relates to a kind of walker tractor, particularly can be used as transportation, rotary tillage, harrows a field, weeds and loosen the soil the multifunction micro walker tractor of several work such as par field and lifting.
Background technology
Present existing miniature walking tractor is made up of the frame that has grab rail, diesel engine, change speed gear box, arrangement of clutch and road wheel mostly, the multi-stage gear transmission is arranged in their change speed gear box, the required power of diesel engine is big, and the complete machine structure complexity, weight is big, price is high.And harvesting and tillage machine simple in structure is too simple, and they generally all do not have change speed gear box, be directly connected in belt between the belt pulley of the belt pulley of diesel engine and drive wheel, thereby the moment of torsion that transmits is limited, can't finish several work.
Summary of the invention
Task of the present utility model is the shortcoming that will overcome existing miniature walking tractor and harvesting and tillage machine, provide a kind of simple structure, in light weight, cost is low, can finish transportation, rotary tillage, harrow a field, weed and loosen the soil the multifunction micro walker tractor of several work such as field and lifting.
The utility model is finished like this: it comprises the frame that has grab rail, diesel engine, change speed gear box, arrangement of clutch and road wheel, diesel engine is installed in the front upper part of frame, change speed gear box is installed in the preceding bottom of frame, have only one-level gear transmission and one-level chain-driving in the change speed gear box, back level chain-drive sprocket shaft or chain wheel drive shaft extension go out outside the change speed gear box, two external parts of sprocket shaft or chain wheel drive axle, it all is the axle of equilateral polygon sections such as square or hexagon, there are external screw thread or negative thread in this outermost end place, arrangement of clutch is by belt, rocking bar, connecting rod, baffle plate and chute are formed, belt is connected between the small belt pulley and the big belt pulley on the change speed gear box power input shaft of diesel engine flywheel outer end, the middle part and the frame of rocking bar are hinged, the connecting rod two ends are hinged with the rear portion of the front end of rocking bar and diesel engine respectively, chute is made slotted hole by the bolt mounting holes of diesel engine on the frame and is formed, there is the mounting hole of at least one strut at the bottom of change speed gear box or rear portion, and the rear portion of change speed gear box also has the dilatory hole of a towing device.
Because diesel engine of the present utility model is installed in the front upper part of frame, change speed gear box is installed in the preceding bottom of frame, two-stage transmissions such as one-level gear transmission, one-level chain-driving are arranged in the change speed gear box, thereby the weight of diesel engine has all been fallen on the axle drive shaft of last energy basically, though the weight of complete machine is little (except that diesel engine, have only the 70-80 kilogram), the power of adapted little (available 3-8 horsepower diesel is used as power), but can make the tractive performance of complete machine more reasonable, better.Because there is the strut mounting hole at the bottom or the rear portion of change speed gear box, strut can be installed, particularly can install forward or backwards and have the different struts of the little curved hoe of elongation down, resistance configuration with this strut during as rotary tillage, make the rotary tillage wheel be unlikely to only to play the effect of road wheel, also play simultaneously the vital function of rotovator, make the better effects if of rotary tillage.In addition, because the axle drive shaft of the utility model final stage transmission does not dispose steering clutch, thereby two the road wheel of installing on the axle drive shaft external part (rubber tire, rotary tillage wheel, anti sliding wheel) do not have differential effect when advancing turning to, but owing to strut has been installed at the bottom or the rear portion of change speed gear box, available strut is as fulcrum, depress grab rail and road wheel is suitably lifted by the operator, loom is turned to smoothly, even can do turning to arbitrarily of 180 degree or 360 degree, thereby be particularly suitable for operation fritter Tanaka.Because the axle drive shaft external part is the equilateral polygon section, the outermost end of axle has screw thread, the weight of this machine of adding is lighter, thereby loom need only be pulled tiltedly to a side, just can be easy to, very apace on the axle drive shaft external part of perk one side, install and the rubber tire of the equilateral polygon central siphon that the fastening cross section that has with the axle drive shaft external part adapts, the rotary tillage wheel, anti sliding wheel or steel rope rolling wheel, and needn't be as existing miniature walking tractor, time-consuming on the flange of axle drive shaft, bothersomely with a plurality of bolted road wheels, thereby make the utility model when changing events in operation, speed is faster, efficient is higher, better effects if, benefit is better.Because the rear portion of change speed gear box also has the dilatory hole of a towing device, can tail wheel, trailer, strut is installed, roll rake, weed and loosen the soil plate or foot lever by it, makes the utility model can finish transportation, rotary tillage, harrows a field, weeds and loosen the soil several work such as field or lifting.
The drawing explanation
Fig. 1 is the structural representation that the utility model has been installed the embodiment of rubber tire and tail wheel.Fig. 2 is that A among Fig. 1 is to view.Fig. 3 is that B among Fig. 2 is to view.Fig. 4 and Fig. 5 are the scheme drawings that the utility model has been installed the embodiment of rotary tillage wheel and little curved hoe.Fig. 6 is that C among Fig. 4 is to view.Fig. 7 is that the utility model has been installed anti sliding wheel and the scheme drawing that rolls the embodiment of rake.Fig. 8 is that D among Fig. 7 is to view.Fig. 9 is the scheme drawing that the utility model has been installed the embodiment of steel rope rolling wheel and support, foot lever.
The specific embodiment
With reference to accompanying drawing, as existing miniature walking tractor, the utility model also has frame 1, diesel engine 2, change speed gear box 3, arrangement of clutch 4 and the road wheel 5 that has grab rail.Diesel engine 2 is installed in the front upper part of frame 1, change speed gear box 3 is installed in the preceding bottom of frame 1, have only one-level gear transmission and one-level chain-driving in the change speed gear box 3, thereby the narrower in width of change speed gear box, but its dynamic property is fine, even harrow a field in the paddy field of 60 to 70 centimetres of dark mud pin or weed and loosen the soil flat operation, the resistance that the change speed gear box bottom is sunk in the mud and produced is also little, thereby can successfully fulfil assignment.(gear teeth are made one with axle to back level chain-drive sprocket shaft in the change speed gear box, this mode consumptive material is few) or chain wheel drive axle 6 (gear teeth are on sprocket wheel, sprocket wheel is installed on the axle drive shaft with spline or singly-bound, this mode is easy to processing and installs) outside of stretching out change speed gear box 3, two external parts of sprocket shaft or chain wheel drive axle, the axle of square section preferably, it also can be the axle of equilateral polygon sections such as regular hexagon or octagon, this outermost end place is shaped on external screw thread or negative thread, like this can be on the external part of sprocket shaft or chain wheel drive axle 6, installation has the rubber tire 7 of the equilateral polygon central siphon that the cross section with the axle drive shaft external part adapts, rotary tillage wheel 8, anti sliding wheel 9 or steel rope rolling wheel 10, fastening with the nut that has negative thread or external screw thread then, get final product transferring power, and prevent rubber tire, the rotary tillage wheel, anti sliding wheel or steel rope rolling wheel are deviate from from the external part of sprocket shaft or chain wheel drive axle, but in fact, since external part is long and it be not very loose cooperating of central siphon, even fastening without nut, rubber tire, the rotary tillage wheel, anti sliding wheel or steel rope rolling wheel are also seldom deviate from from the external part of sprocket shaft or chain wheel drive axle.Arrangement of clutch 4 is made up of belt 11, rocking bar 12, connecting rod 13, baffle plate 14 and chute 15.Belt is connected between the small belt pulley 16 and the big belt pulley 17 on change speed gear box 3 power input shafts of diesel engine 2 flywheel outer ends.Belt 7 is cone belt, belt pulley the 16, the 17th, the sheave that adapts with the model of cone belt.For ease of speed change, the big belt pulley 17 on the change speed gear box power input shaft is the multi-stage, belt wheels that the belt grooves of at least two different-diameters is arranged, and the sheave of three belt grooves is preferably arranged.The middle part and the frame 1 of rocking bar (preferably L shaped knee) 12 are hinged, the two ends of connecting rod 13 are hinged with the rear portion of the front end of rocking bar 12 and diesel engine 2 respectively, the rear end of connecting rod 13 will have two hinge holes 18 at least, 6 to 8 hinge holes are preferably arranged, the front end of rocking bar 12 and one of them hinge hole are hinged, so that belt 11 is worn when elongating when changing belt grooves or at belt, the length that can regulate connecting rod by the position that changes connecting rod 13 rear end hinge holes makes belt be able to effective tensioning.On frame 1 with the approaching position of connecting rod 13 and rocking bar 12 hinged places, be fixed with a baffle plate 14, it can be when rocking bar 12 and connecting rod 13 turn over the dead center position of the piston crank mechanism that they form slightly, block connecting rod 13, make it be still in that position, and under the pulling force of belt and elastomeric effect, form self-locking.The structure of chute 15 is identical with common small-sized harvesting and tillage machine, it (changes over slotted hole with circular hole by the slotted hole of mounting diesel engine holding-down bolt on the frame 1, be not shown specifically among the figure) and T shape stepped shaft bolt that can slippage in slotted hole constitute, by pulling rocking bar 12, drivening rod 13, can change the front and back position of diesel engine 2 on frame 1, thereby regulate on the diesel engine 2 distance between the big belt pulley 17 on the small belt pulley 16 and change speed gear box 3, make belt 11 be able to effective tensioning and transferring power.In Fig. 1,3,4,7,9, pull rearward the upper end of rocking bar 12, and connecting rod 13 is pushed diesel engine 2 front portion of chute 15 to, thereby make the distance between small belt pulley 16 and the big belt pulley 17 become big, belt 11 in tension.In Fig. 5, pull forwards the upper end of rocking bar 12, and connecting rod 13 pulls to the rear portion of chute 15 with diesel engine 2, thereby the distance between small belt pulley 16 and the big belt pulley 17 is diminished, and belt 11 is in relaxation state.Also can be below diesel engine fixing one slide-plate, be fixed with on the slide plate can slippage in the slotted hole of frame T shape stepped shaft bolt, by the slip between slide plate and the frame, regulate the position of diesel engine on frame.The mounting hole 19 that at least one strut is arranged at the bottom or the rear portion of change speed gear box 3, and the strut mounting hole of the bottom of change speed gear box 3 is preferably sweptback, the strut 20 of the part weight that can support loom is housed in the mounting hole 19, strut can be regulated the length that it stretches out downwards by screw hole on the mounting hole 19 and holding screw 21, preferably a kind of lower end of strut 20 has the strut of little curved hoe 22, by this strut forward (hoe of little curved hoe is towards preceding) or reverse (hoe of little curved hoe is towards the back) are installed, regulate its effect and resistance over the ground.The rear portion of change speed gear box 3 also has a dilatory hole 23 that is linked with towing device.Towing device can be tail wheel 24 (as shown in Fig. 1,3), can be trailer also, roll the plate of weeding and loosen the soil that rake 25 (as shown in Figure 7) or be used to are weeded and loosen the soil the flat surface of harrow, paddy field, draw the foot lever 26 (as shown in Figure 9) that the strut 20 (as shown in Figure 4) that the lower end has little curved hoe 22 also can be installed in the hole 23 or be used to support the shape of falling Y of loom.
As shown in Fig. 1,2,3, when the road wheel of installing on two external parts of sprocket shaft or chain wheel drive axle 6 was rubber tire 7, pivotally attached towing device in the dilatory hole 23 at the rear portion of change speed gear box 3 was the trailer that two rubber tires are arranged, or tail wheel 24.So that move or hauling operation.
As shown in Fig. 4,5,6, when the road wheel of installing on two external parts of sprocket shaft or chain wheel drive axle 6 is that the rotary tillage that has a Rotary tillage blade is when taking turns 8, in the strut mounting hole 19 or dilatory hole 23 at change speed gear box 3 bottoms or rear portion, the strut 20 that the lower end has little curved hoe 22 should be installed, so that carry out the rotary tillage operation.
As shown in Fig. 7,8, when the road wheel of installing on two external parts of sprocket shaft or chain wheel drive axle 6 was squirrel-cage anti sliding wheel 9, pivotally attached towing device in the dilatory hole 23 at the rear portion of change speed gear box 3 was that foreign peach shape is rolled rake 25.
In the transition process of hinged trailer not, be linked with accessories such as rotary tillage wheel 8 or squirrel-cage anti sliding wheel 9 for the ease of loom, also be fixed with two parallel vent stems 27 in the front portion of frame 1, be fixed with two orifice rings 28 symmetrically on two grab rails at frame 1 rear portion.Can L shaped support be installed in vent stem 27, interspersed cross bar in orifice ring, thus rotary tillage wheel, squirrel-cage anti sliding wheel or other accessory can be placed on support or the cross bar.
As shown in Figure 9, also can in vent stem 27, install one and fall L shaped bipod support 28, in the strut mounting hole 19 at the rear portion of change speed gear box 3 or dilatory hole 23, fix the foot lever 29 of a shape of falling Y, thereby loom is held up and support steady with support 28 and foot lever 29, simultaneously on two external parts of sprocket shaft or chain wheel drive axle 6, road wheel is not installed, and only a steel rope rolling wheel 10 is installed on an external part.The steel rope of can reeling on the steel rope rolling wheel, one of the other end pile warp of steel rope is positioned at an affixed pail or hand basket behind the fixed pulley of eminence, can load the equipment or the material of the carrying that need hoist in pail or the hand basket, by controlling the tensioning of belts 11 with rocking bar 12 and loosening, control the forward and reverse of steel rope rolling wheel 10, thereby reach the rise and the decline of control pail or hand basket, finish the purpose of hoisting operation.
Claims (9)
1, a kind of multifunction micro walker tractor, it comprises the frame (1) that has grab rail, diesel engine (2), change speed gear box (3), arrangement of clutch (4) and road wheel (5), it is characterized in that: diesel engine (2) is installed in the front upper part of frame (1), change speed gear box (3) is installed in the preceding bottom of frame (1), have only one-level gear transmission and one-level chain-driving in the change speed gear box (3), back level chain-drive sprocket shaft or chain wheel drive axle (6) stretch out outside the change speed gear box (3), two external parts of sprocket shaft or chain wheel drive axle (6), it all is the axle of equilateral polygon sections such as square or hexagon, there are external screw thread or negative thread in this outermost end place, arrangement of clutch (4) is by belt (11), rocking bar (12), connecting rod (13), baffle plate (14) and chute (15) are formed, belt (11) is connected between the small belt pulley (16) and the big belt pulley (17) on the change speed gear box power input shaft of diesel engine flywheel outer end, the middle part of rocking bar (12) and frame (1) are hinged, connecting rod (13) two ends are hinged with the rear portion of the front end of rocking bar (12) and diesel engine (2) respectively, there is the mounting hole (19) of at least one strut (20) at the bottom of change speed gear box (3) or rear portion, and the rear portion of change speed gear box (3) also has the dilatory hole (23) of a towing device.
2, by the described multifunction micro walker tractor of claim 1, it is characterized in that: there are at least two hinge holes (18) rear end of described connecting rod (13), and the front end of rocking bar (12) and one of them hinge hole (18) are hinged.
3, by claim 1 and 2 described multifunction micro walker tractors, it is characterized in that: the road wheel of installing on two external parts of sprocket shaft or chain wheel drive axle (6) is rubber tire (7), is hinged with tail wheel (24) in the dilatory hole (23) at change speed gear box (3) rear portion.
4, by claim 1 and 2 described multifunction micro walker tractors, it is characterized in that: the road wheel of installing on two external parts of sprocket shaft or chain wheel drive axle (6) is the rotary tillage wheel (8) that has Rotary tillage blade, and the strut (20) that the lower end has little curved hoe (22) is installed in the mounting hole (19) at the bottom of change speed gear box (3) or rear portion.
5, by claim 1 and 2 described multifunction micro walker tractors, it is characterized in that: the road wheel of installing on two external parts of sprocket shaft or chain wheel drive axle (6) is squirrel-cage anti sliding wheel (9), is hinged with in the dilatory hole (23) at change speed gear box (3) rear portion and rolls rake (25).
6, by claim 1 and 2 described multifunction micro walker tractors, it is characterized in that: the front portion of frame (1) also has two parallel vent stems (27), is fixed with two orifice rings (28) symmetrically on two grab rails at frame (1) rear portion.
7, by the described multifunction micro walker tractor of claim 6, it is characterized in that: vent stem is equipped with L shaped support in (27), and orifice ring is interspersed with cross bar in (28).
8, by the described multifunction micro walker tractor of claim 6, it is characterized in that: L shaped bipod support (28) is installed down in the vent stem (27), be fixed with the foot lever (29) of the shape of falling Y in the strut mounting hole (19) at change speed gear box (3) rear portion or dilatory hole (23), on an external part of sprocket shaft or chain wheel drive axle (6), steel rope rolling wheel (10) be installed.
9, by claim 1 and 2 described multifunction micro walker tractors, it is characterized in that: the big belt pulley (17) on change speed gear box (3) power input shaft is a multi-stage, belt wheel that the belt grooves of at least two different-diameters is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420065299 CN2707591Y (en) | 2004-05-28 | 2004-05-28 | Multifunctional miniature hand tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420065299 CN2707591Y (en) | 2004-05-28 | 2004-05-28 | Multifunctional miniature hand tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2707591Y true CN2707591Y (en) | 2005-07-06 |
Family
ID=34852275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420065299 Expired - Fee Related CN2707591Y (en) | 2004-05-28 | 2004-05-28 | Multifunctional miniature hand tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2707591Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101822958A (en) * | 2010-04-29 | 2010-09-08 | 陈世和 | Small-size self-propelled stirrer |
| CN106585718A (en) * | 2016-12-13 | 2017-04-26 | 大连大华中天科技有限公司 | Mobile robot platform |
-
2004
- 2004-05-28 CN CN 200420065299 patent/CN2707591Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101822958A (en) * | 2010-04-29 | 2010-09-08 | 陈世和 | Small-size self-propelled stirrer |
| CN101822958B (en) * | 2010-04-29 | 2013-12-18 | 陈世和 | Small-size self-propelled stirrer |
| CN106585718A (en) * | 2016-12-13 | 2017-04-26 | 大连大华中天科技有限公司 | Mobile robot platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |