CN201052736Y - Multifunctional boat-type tractor - Google Patents
Multifunctional boat-type tractor Download PDFInfo
- Publication number
- CN201052736Y CN201052736Y CNU2007200854835U CN200720085483U CN201052736Y CN 201052736 Y CN201052736 Y CN 201052736Y CN U2007200854835 U CNU2007200854835 U CN U2007200854835U CN 200720085483 U CN200720085483 U CN 200720085483U CN 201052736 Y CN201052736 Y CN 201052736Y
- Authority
- CN
- China
- Prior art keywords
- wheel
- steering
- gear
- drives
- hull
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
A multifunctional ship type tractor relates to a tractor which is used for a paddy farmland and a dry farmland, which comprises a motor, a dynamic driving output system, a driving wheel, a steering brake system, an agricultural implement suspended pulling system, and a framework and the like. The utility model is provided with a final gear case which can be inverted from the front to the rear, the final gear case can be converted between operating forms of the paddy farmland with water and semi-drying paddy farmland or dry farmland through simple adjustment, the utility model also has the functions of a boat-type motorized plow and a tractor. The steering system which combines the steering wheel type operation with the steering clutch single side separating to brake has flexible steering, reliability, and comfortable operation. Fluid pressure belt type intermediate steering has fast, steady, and reliable steering. Self-desliming is utilized to drive a metal wheel, which has big driving force, little rolling resistance, the utility model can self-desliming, can not be bogged down. An anti-wrapping tailgate is mounted on the utility model, which can effectively prevent head from over wrapping and (or) bogging down. A set of self-lifting devices is mounted on the utility model, which is convenient for changing a driving wheel. The mounting or dismounting of a guide is convenient. A slipping ship body takes fair shape, which has little resistance force. The gear ratio of a gear shifting box is moderate, which has high performance price ratio.
Description
Technical field
The utility model relates to a kind of water, dry land operation trac..
Background technology
China generally carries out rice field-upland field rotation in the south rice producing region, after rice harves, and the immersion that no longer discharges water in the paddy field, but directly plant Dry crops such as rape or wheat after the dry farming.This moment, the surface, paddy field was anhydrous, but soil interior moisture content bearing capacity big, soil is also lower, is the half-dry type state.Present boat tractor is that the slick and frivolous formula principle of work of utilization is carried out paddy-field-working mostly, rely on the water on surface, paddy field to lubricate hull in the complete machine driving process, alleviate the friction of itself and soil, simultaneously, the buoyancy that also utilizes water and produced reduces the sagging degree of depth of complete machine in soil, avoids resistance to motion to increase.When paddy field dry farming or dry land operation, because slick and frivolous formula principle of work is inapplicable, existing boat tractor or trac. all adopt the running on wheels principle, utilize wheel flutter guiding, high flower rubber crop rotation drive wheel.This version the phenomenon that wheel flutter sink and drive wheel skids usually occurs because the soil bearing capacity is lower when the dry farming of paddy field, influence operating efficiency, then fully can not operation when situation is serious.In addition, in order to improve drive wheel adhesive ability and nose when preventing operation, the mode of often all taking to install balance weight iron, however this mode has but reduced through performance when solving adhesive ability and equilibrium problem, strengthened consumption of power.
Summary of the invention
The purpose of this utility model is at above-mentioned present situation, aim to provide a kind of can be in the paddy field, half-dried paddy field or dry land operation, simple and reasonable, turn to flexibly, reliable, operate comfortable; Braking rapidly, steadily, reliably; Propulsive effort is big, rolling resistance is little, desliming automatically, does not sink, and drive wheel, guide wheel are convenient to change, and resistance of taxing is little, performance good, the multifunctional ship type trac. that cost performance is high.
The implementation of the utility model purpose is, the multifunctional ship type trac., sliding hull 11 anterior dress ski type guide wheels 13, dress drives iron tyre 1 and final transmission gearbox 2 from desliming outside the both sides, rear portion, the driving engine 9 that is contained in the sliding hull 11 passes through master clutch 10 drive change speed gear boxs 8, and change speed gear box drives hydraulic lift hitch 4 by hydraulic oil pump, drives the final transmission gearbox 2 that can overturn before and after input shaft by steering clutch 3, drive farm implements by power take-off shaft 5
The wedge shape wheel blade 14 that drives iron tyre 1 from desliming is welded in four circular reinforcements on the hoop 17, strengthen hoop 17 and connect into integral body with flange 16 by taper disc 15 and eight diagonal brace spokes 18, between the wedge shape wheel blade 14, strengthen between the hoop 17, between the diagonal brace spoke 18 and they have the space each other
The anti-tailgate 39 that sticks up is prevented sticking up tailgate bearing pin 38 and slides hull 11 hinged by two, hinged by screw mandrel 40 with hydraulic lift hitch 4 and traction system 6, crowbar 36 tail ends of following chord fagging 34 with anti-to stick up tailgate 39 hinged, have parallels 37 between sliding hull 11 bottoms and the crowbar 36 by a bearing pin
The wheel shaft of ski type guide wheel 13 is connected with stream line pattern slide plate 19 by support 20, and the guide wheel vertical shaft 41 that links to each other with ski type guide wheel 13 wheel shafts is enclosed within the vertical shaft seat 42, and vertical shaft seat 42 is connected with frame, and guide wheel is pitched 21 and is connected with guide wheel vertical shaft 41,
Sliding hull 11 front portions and integral body are stream line pattern.
The utility model be provided with can before and after the final transmission gearbox of upset, by simple adjustment can be between paddy field submersible form and half-dried paddy field or dry land operation form conversion rapidly, have both the advantage of boat tractor and trac.; Adopt gear fork disc type direction machine 7, steering wheel type is handled and steering clutch is monolateral separates the steering swivel system that braking combines, and does not need wheel flutter, turns to flexibly, reliably, operates comfortable; Braking in the middle of the hydraulic pressure belt, braking is rapid, steady, reliable, and brake system exempts from the muddy water infringement, and combines and simplified structure with steering swivel system; Use with a kind of autospasy mud when water, dry land operation and drive iron tyre, propulsive effort is big, rolling resistance is little, desliming automatically, does not sink; Be furnished with one and anti-stick up tailgate, can prevent effectively excessive nose and (or) sink; Be furnished with a cover from bont, can utilize the hydraulic suspension bont to replace jack, lift sliding hull, be convenient to change drive wheel; Being connected between guide wheel and the sliding hull is simple and reliable, and mounting or dismounting are convenient; Sliding fore-body integral body is stream line pattern, and resistance of taxing is little, through performance good, good looking appearance; Change speed gear box has six D Drives, two backward gears and can drive hydraulic oil pump respectively and two takeoff outputs of driving farm implements, and its speed ratio is moderate, and is simple and reliable for structure, the cost performance height.
The utility model can carry out farmland operations such as ploughing, rotary tillage, trench digging on soils such as dry land, paddy field and marsh, beach.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 is rollover states figure before and after the final transmission gearbox
Fig. 3 a, b drive the iron wheel structure scheme drawing from desliming
Fig. 4 is a ski type Guiding wheel structure scheme drawing
Fig. 5 is a braking in a turn system architecture scheme drawing
Fig. 6 be anti-stick up tailgate, from the bont structural representation
Fig. 7 is guide wheel and assembly drowing thereof
Fig. 8 is guide wheel vertical shaft and assembly drowing thereof
Fig. 9 is the body front appearance front view of rowing the boat
Figure 10 is the body front appearance birds-eye view of rowing the boat
Figure 11 is the body front structure scheme drawing of rowing the boat
Figure 12 is the transmission mechanisms kinematic sketch
The specific embodiment
The utility model hangs traction system, frame etc. by driving engine, power transmission output system, drive wheel, braking in a turn system, farm implements and forms.
With reference to Fig. 1, sliding hull 11 anterior dress ski type guide wheels 13, dress drives iron tyre 1 and final transmission gearbox 2 from desliming outside the both sides, rear portion, driving iron tyre 1 from desliming is positioned at outside the sliding hull 11 with final transmission gearbox 2, the driving engine 9 that is contained in the sliding hull drives change speed gear box 8 by master clutch 10, change speed gear box drives hydraulic lift hitch 4 by hydraulic oil pump, drives the final transmission gearbox 2 that can overturn by steering clutch 3 before and after input shaft, drives farm implements by power take-off shaft 5.This structure was both simple, and the upset of convenient again final transmission gearbox 2 front and back can make middle brake system 12 parts such as grade of hydraulic pressure belt avoid the evil of muddy water again.
With reference to Fig. 2, when the submersible of paddy field, sliding hull 11 bottoms contact with soil, slide at soil surface.At this moment, final transmission gearbox 2 overturn before the clockwise direction of input shaft axial line up to position shown in the solid line, drives iron tyre 1 240mm that moves forward from desliming, and machine gravity moves 240mm after with respect to drive wheel axle center line, this helps reducing the friction between sliding hull 11 and the soil, reduces resistance to motion.Be not to be fixed in certain a bit after final transmission gearbox 2 overturns forward, but link to each other with elevating screw, can under its control, rotate up and down, move up and down with respect to sliding hull 11 bottoms thereby drive from desliming driving iron tyre 1, when making the utility model adopt slick and frivolous formula principle of work operation, adjustable in the ground Clearance of complete machine (being actually the embedded depth that drives iron tyre 1 wedge shape wheel blade from desliming) the scope at 100～350mm.Drive the adjustable of iron tyre wedge shape wheel blade embedded depth on a large scale from desliming, make the utility model good comformability all be arranged the paddy field of the various mud pin degree of depth.
When dry land operation or paddy field dry farming, when final transmission gearbox conter clockwise is turned over to position shown in the dotted line, after driving iron tyre 1, desliming moves 240mm, and machine gravity is with respect to drive wheel axle center line reach 240mm.Make center of gravity reach of the present utility model, can under the situation of not adding any counter weight device, avoid its nose.Simultaneously, increased the ground Clearance, through performance improves.
With reference to Fig. 3 a, b, the wedge shape wheel blade 14 that drives iron tyre 1 from desliming is welded in four circular reinforcements on the hoop 17, strengthen hoop 17 and connect into integral body with flange 16, between the wedge shape wheel blade 14, strengthen between the hoop, between the diagonal brace spoke 18 and they both have very big space each other by taper disc 15 and eight diagonal brace spokes 16.When farmland operation, earth can pass smoothly from these spaces, extrudes automatically along taper disc 15 surfaces, comes off from driving iron tyre 1 from desliming.A kind of failure state of having avoided common drive wheel usually to occur, promptly earth is assembled between wheel blade or rubber cleat profile, wheel blade or rubber cleat profile is lost grab native ability, causes drive wheel to skid.Simultaneously, the existence of taper disc 15 has also been avoided driving the earth on the iron tyre 1 and sliding generation friction between the hull 11 and consumed power from desliming.
With reference to Fig. 4, ski type guide wheel 13 is made up of stream line pattern slide plate 19, support 20, guide wheel fork 21, pneumatic rubber wheel 22 etc.Stream line pattern slide plate 19 makes the ground contact area of ski type guide wheel 13 increase twice than common guide wheel, and grounding pressure has reduced by 60%, can prevent that therefore guide wheel from sinking, and reduces rolling resistance.When not needing ski type guide wheel 13, only need unload stream line pattern slide plate 19, support after, the ski type guide wheel promptly becomes a common inflating rubber guide wheel 22.
With reference to Fig. 5, bearing circle 23 links to each other with the axle of gear 24, when chaufeur left during (conter clockwise) steering wheel rotation 23, gear 24 drives the left back end of T shape fork 25 and swings left, and the steering clutch release fork 30 that promotes the left side is stirred the steering clutch compression disk 31 on the left side, thrust between the driving and driven friction lining of steering clutch 3 on the left side is progressively reduced, until being zero; At this moment, the right rear end of T shape fork 25 in swing left, does not contact steering clutch 3 normal operation on the right yet with the steering clutch release fork 30 on the right.Under little on an output torque left side, the right big situation, the boat-type tractor left-handed turning to; Be rotated further bearing circle 23, the lever connection 26 that is through T shape fork 25 left sides starts drag the braking swing arm 29 on the left side, the brake collar 32 on steering clutch driven hub 33 peripheries that are positioned at the left side is strained in the braking swing arm again, make it and the steering clutch driven hub 33 on the left side between rub, and the steering clutch driven hub 33 on the locking left side stops operating the drive wheel on the left side.At this moment, lever connection 26 free shrink that are through T shape fork 25 the right are entered T shape fork 25 inside, do not spur the braking swing arm 29 on the right.The steering clutch 3 of on the left side separates, the steering clutch driven hub 33 on the left side is by locking, and under the situation of steering clutch 3 normal operation on the right, the monolateral separation of steering clutch, drive wheel one side brake, boat-type tractor begins flicker.After unclamping bearing circle, the application force of 25 tension braking swing arms 29 of T shape fork and promotion steering clutch release fork 30 disappears, under the effect of steering clutch 3 inner holddown springs, and bearing circle 23 self-returns, boat-type tractor automatic capturing.Vice versa.
When chaufeur is stepped on brake pedal, promote the master brake cylinder piston and produce hydraulic pressure, two brake cylinders 28 about this pressure is delivered to simultaneously by oil pipe, under this equivalent hydraulic action, braking swing arm 29 about two braking wheel cylinders 28 promote by braking mandril 27 simultaneously with the application force that equates, tension is positioned at the brake collar 32 of steering clutch driven hub 33 outside faces, make brake collar 32 and steering clutch driven hub 33 outside faces produce strong friction, with 33 lockings of steering clutch driven hub, with two drive wheel brakings.Since about two brake cylinders 28 be with under the equipressure, promote braking mandril 27 simultaneously with the application force that equates; Relative velocity between brake collar 32 and the steering clutch driven hub 33 is bigger again, so braking procedure rapidly, steadily, reliably, and brake system and steering swivel system combination naturally, simplifies the structure.
With reference to Fig. 6, the anti-tailgate 39 that sticks up is prevented sticking up tailgate bearing pin 38 and slides hull 11 hinged, hinged by two screw mandrels 40 and traction system 6 again simultaneously by two.Sleeve in the rotary screw 40 can change the length of screw mandrel 40, makes the anti-tailgate 39 that sticks up stick up tailgate bearing pin 38 cws or left-hand revolution around anti-, thereby anti-distance of sticking up between tailgate 39 bottoms and the paddy field soil surface is changed.When the utility model during at the paddy field submersible, if sliding hull 11 noses are serious, can regulate screw mandrel 40, make the anti-contact paddy field soil surface, tailgate 39 bottoms of sticking up, utilize application force between itself and the soil to alleviate the nose phenomenon of sliding hull 11.Simultaneously and since its covert increase the ground contact area of sliding hull 11 bottoms, it can prevent that also the utility model is excessively sagging in the very low dark mud pin paddy field of bearing capacity.
Change forming by stay bearing plate 34, crowbar bearing pin 35, crowbar 36, parallels 37 of drive wheel from bont.During use, stay bearing plate 34 places soil surface, and parallels 37 is filled in the space between sliding hull 11 bottoms and the crowbar 36, and utilizes that corresponding draw-in groove is fixed it on the crowbar 36.When starting hydraulic lift hitch 4 lifting traction systems 6, screw mandrel 40 drives anti-sticking up when turning on the tailgate 39, makes on crowbar 36 tail ends and lifts, and levers up sliding hull afterbody, makes the drive wheel built on stilts, is convenient for changing drive wheel.
With reference to Fig. 7 and Fig. 8, vertical shaft axle head bolt 45 is fixed on a big flat washer on vertical shaft 41 axle heads, and the external diameter of big flat washer makes vertical shaft 41 not come off from vertical shaft seat 42 greater than vertical shaft 41 external diameters.The circular hole that bearing pin 44 passes the vertical shaft seat head makes vertical shaft seat 42 and frame be hinged to one.Two binding bolts 43 are fixed on vertical shaft seat on the frame.Unclamp two binding bolts 43, extract bearing pin 44 out, can ski type guide wheel 13 for convenience detach.
With reference to Fig. 9, sliding hull 1r leading portion cross section is ∪ shape, and the distance between cross section b-b, c-c, d-d, e-e, the f-f is 200mm, and the distance between cross section a-a and the f-f is 940mm.Sliding hull 11 former minister 940mm, upwarping is 300mm highly, and the radian that base plate upwarps is made up of two sections excessive naturally circular arcs, and the radius of section circular arc is that R1759mm, another section are R948mm.With reference to Figure 10, the outer contour of sliding hull 11 anterior the right and lefts is one section circular arc that radius is the R3087 millimeter.
Among Figure 11, cross section a-a, b-b, c-c, d-d, e-e, f-f last wide is respectively 440,591,795,965,1102,1220mm, down widely be respectively 310,346,448,573,674,840mm, the side circular arc R is respectively 105,170,248,272,327,431mm, section place height and position is respectively 300,215,120,54,16mm, apart from the fore distance be 0,200,400,600,800 respectively, 940mm.
With reference to Figure 12, change speed gear box 8 of the present utility model is driven hydraulic oil pump respectively and is driven 47,46, three double-sliding gear Z7 of farm implements power output interface and Z5, Z1 and Z3, Z12 and Z13 by four transmission shafts, two, nine straight-tooth fixed gear wheel Z2, Z4, Z6, Z8, Z9, Z10, Z11, Z1
*, Z2
*A finishing bevel gear cuter Z17, bore tooth straight-tooth dual gear Z16 and Z14 for one, slip inner gear Z15 and casing, bearing are formed, six D Drives, two backward gears and two takeoff outputs are arranged, and the transmitting ratio of each grade is respectively 4.9832,3.3427,2.0318,1.8187,1.3629,0.7415,4.3718,1.7824.
The drive path of gear is respectively:
One grade of Z3-Z4-Z6-Z13-Z10-Z11 advances
Second gear Z1-Z2-Z6-Z13-Z10-Z11 advances
The third gear of advancing Z3-Z4-Z12-Z10-Z11
The fourth gear of advancing Z5-Z6-Z 13-Z10-Z11
Five grades of Z1-Z2-Z4-Z12-Z10-Z11 advance
Six grades of Z5-Z6-Z4-Z12-Z10-Z11 advance
One grade of Z7-Z8-Z9-Z6-Z13-Z10-Z11 falls back
Second gear Z7-Z8-Z9-Z4-Z12-Z10-Z11 falls back
Claims (5)
1. multifunctional ship type trac., it is characterized in that the anterior dress of sliding hull (11) ski type guide wheel (13), dress drives iron tyre (1) and final transmission gearbox (2) from desliming outside the both sides, rear portion, the driving engine (9) that is contained in the sliding hull (11) drives change speed gear box (8) by master clutch (10), change speed gear box drives hydraulic lift hitch (4) by hydraulic oil pump, drive the final transmission gearbox (2) that can before and after input shaft, overturn by steering clutch (3), drive farm implements by power take-off shaft (5)
Bearing circle (23) links to each other with the axle of gear (24), gear (24) is by being connected with T shape fork (25) with gear of its ingear, two braking swing arms (29) about T shape fork (25) drives by lever connection (26), and promote steering clutch release fork (30) respectively by two of T shape fork (25), braking swing arm (29) is connected with brake collar (32) on the steering clutch driven hub (33), brake pedal is connected with the master brake cylinder piston, between master brake cylinder and brake cylinder (28) oil pipe of connection is arranged, brake cylinder (28) is connected with braking swing arm (29) by braking mandril (27)
The wedge shape wheel blade (14) that drives iron tyre (1) from desliming is welded in four circular reinforcements on the hoop (17), strengthen hoop (17) and connect into integral body with flange (16) by taper disc (15) and eight diagonal brace spokes (18), between the wedge shape wheel blade (14), strengthen between the hoop, between the diagonal brace spoke (18) and they have the space each other
The anti-tailgate (39) that sticks up is prevented sticking up tailgate bearing pin (38) and slides hull (11) hinged by two, hinged by screw mandrel (40) with hydraulic lift hitch (4) and traction system (6), crowbar (36) tail end of following chord fagging (34) by a bearing pin with anti-to stick up tailgate (39) hinged, between sliding hull (11) bottom and the crowbar (36) parallels (37) is arranged
The wheel shaft of ski type guide wheel (13) is connected with stream line pattern slide plate (19) by support (20), the guide wheel vertical shaft (41) that links to each other with ski type guide wheel (13) wheel shaft is enclosed within the vertical shaft seat (42), vertical shaft seat (42) is connected with frame, and guide wheel fork (21) is connected with guide wheel vertical shaft (41)
Sliding hull (11) front portion and integral body are stream line pattern.
2. multifunctional ship type trac. according to claim 1, it is characterized in that vertical shaft (41) axle head is fixed with big flat washer, the external diameter of big flat washer is greater than vertical shaft (41) axle head external diameter, and the top of vertical shaft seat (42) is reverse-hook shape, and hook-shaped head is equipped with the bearing pin with the frame hinge joint.
3. multifunctional ship type trac. according to claim 1, it is characterized in that hull (11) former minister 940mm, upwarp and highly be 300mm, the radian that base plate upwarps is made up of two sections excessive naturally circular arcs, the radius of one section circular arc is that R1759mm, another section are R948mm, and the outer contour of anterior the right and left is one section circular arc that radius is the R3087 millimeter.
4. according to claim 1 and 3 described multifunctional ship type trac.s, it is characterized in that sliding hull (11) leading portion cross section is ∪ shape, distance between cross section b-b, c-c, d-d, e-e, the f-f is 200mm, distance between cross section a-a and the f-f is 940mm, sliding hull (11) former minister 940mm, upwarping is 300mm highly, and the radian that base plate upwarps is made up of two sections excessive naturally circular arcs, and the radius of section circular arc is that R1759mm, another section are R948mm.
5. multifunctional ship type trac. according to claim 1, it is characterized in that change speed gear box (8) drives hydraulic oil pump respectively by four transmission shafts, two and drives farm implements power output interfaces (47 and 46), three double-sliding gear Z7 and Z5, Z1 and Z3, Z12 and Z13, nine straight-tooth fixed gear wheel Z2, Z4, Z6, Z8, Z9, Z10, Z11, Z1
*, Z2
*A finishing bevel gear cuter Z17, bore tooth straight-tooth dual gear Z16 and Z14 for one, slip inner gear Z15 and casing, bearing are formed, six D Drives, two backward gears and two takeoff outputs are arranged, and the transmitting ratio of each grade is respectively 4.9832,3.3427,2.0318,1.8187,1.3629,0.7415,4.3718,1.7824.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200854835U CN201052736Y (en) | 2007-06-28 | 2007-06-28 | Multifunctional boat-type tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200854835U CN201052736Y (en) | 2007-06-28 | 2007-06-28 | Multifunctional boat-type tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201052736Y true CN201052736Y (en) | 2008-04-30 |
Family
ID=39392405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200854835U Expired - Fee Related CN201052736Y (en) | 2007-06-28 | 2007-06-28 | Multifunctional boat-type tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201052736Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102100137A (en) * | 2010-12-15 | 2011-06-22 | 杨太平 | Brake steering mechanism based on wheel-controlled single side separation |
| CN102369798A (en) * | 2011-11-02 | 2012-03-14 | 湖北金驰机器有限公司 | Four-wheel drive multifunctional cultivating boat |
| CN102862606A (en) * | 2012-10-22 | 2013-01-09 | 解宇 | Steering wheel type walking tractor |
| CN103723209A (en) * | 2012-10-14 | 2014-04-16 | 张启富 | Gecko tractor |
| CN104590369A (en) * | 2014-12-30 | 2015-05-06 | 湖北工业大学 | Linkage type hydraulic steering and braking device for boat tractor |
| CN105706547A (en) * | 2016-03-23 | 2016-06-29 | 湖北众泉精工科技有限公司 | Boat tractor and use method thereof |
-
2007
- 2007-06-28 CN CNU2007200854835U patent/CN201052736Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102100137A (en) * | 2010-12-15 | 2011-06-22 | 杨太平 | Brake steering mechanism based on wheel-controlled single side separation |
| CN102369798A (en) * | 2011-11-02 | 2012-03-14 | 湖北金驰机器有限公司 | Four-wheel drive multifunctional cultivating boat |
| CN102369798B (en) * | 2011-11-02 | 2013-02-06 | 湖北金驰机器有限公司 | Four-wheel drive multifunctional cultivating boat |
| CN103723209A (en) * | 2012-10-14 | 2014-04-16 | 张启富 | Gecko tractor |
| CN102862606A (en) * | 2012-10-22 | 2013-01-09 | 解宇 | Steering wheel type walking tractor |
| CN104590369A (en) * | 2014-12-30 | 2015-05-06 | 湖北工业大学 | Linkage type hydraulic steering and braking device for boat tractor |
| CN105706547A (en) * | 2016-03-23 | 2016-06-29 | 湖北众泉精工科技有限公司 | Boat tractor and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201052736Y (en) | Multifunctional boat-type tractor | |
| US4407381A (en) | Undercarriage for adverse terrain vehicles | |
| CN103707717A (en) | Steering drive axle used in rough terrain wheeled crane | |
| CN102285384A (en) | Multifunctional articulated tractor | |
| US4285627A (en) | Undercarriage for adverse terrain vehicle | |
| CN202444748U (en) | Four-drive ship type tractor | |
| CN203681150U (en) | Steering drive axle applied to rough terrain wheeled crane | |
| US4210218A (en) | Undercarriage for adverse terrain vehicle | |
| US4210219A (en) | Undercarriage for adverse terrain vehicle | |
| CN106945516A (en) | Four-wheel drive articulated steering transport vehicle with front and back wheel differential lock | |
| CN206718970U (en) | Four-wheel drive articulated steering transport vehicle with front and back wheel differential lock | |
| US4037681A (en) | Towable front end loader | |
| US4252203A (en) | Undercarriage for adverse terrain vehicle | |
| GB1576166A (en) | Undercarriage for adverse terrain vehicle | |
| CN104175795B (en) | A kind of walking mechanism that deformable wheel is installed | |
| CN204383621U (en) | Miniature four-wheeled tractor | |
| US3222802A (en) | Self-propelled vehicle and mounting for tool or implement | |
| US4278141A (en) | Undercarriage for adverse terrain vehicle | |
| US4278140A (en) | Undercarriage for adverse terrain vehicle | |
| CN205395768U (en) | Hydraulic 4 wheel driven forklift | |
| CN201245184Y (en) | Multifunctional caterpillar tractor | |
| CN206517792U (en) | A kind of transmission component of three drivings jack up rice transplanter | |
| CN112849286A (en) | Vehicle track suitable for hillside fields environment | |
| CN109383207B (en) | Amphibious speedboat | |
| CN103636303A (en) | Novel multifunctional mountainous region and field operation machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 Termination date: 20160628 |