CN2522319Y

CN2522319Y - Forward-farming, rapid-changing hand tractor

Info

Publication number: CN2522319Y
Application number: CN 02202613
Authority: CN
Inventors: 吴振军; 吴利志
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-01-31
Filing date: 2002-01-31
Publication date: 2002-11-27
Anticipated expiration: 2012-01-31

Abstract

A quick-change hand tractor used for directed tilling; the wheels of the tractor comprise a front wheel and a back wheel; the front wheel is connected with a turning sleeve which is arranged on a tractor frame by a front fork mounting and the back wheel is arranged on a back wheel rack; an operating mechanism comprises a turning control assembly and a clutch handle assembly; the turning assembly comprises a handlebar which is extended out horizontally to the left and the handlebar is articulated with a rotary arm of the front fork mounting; the clutch handle assembly comprises a horizontal handle and the handle is fixedly connected with a pole; the pole is fixedly connected with a horizontal rotary shaft and the pole is equipped with a limiting mechanism which is used for limiting the rotation position; the rotary shaft is fixedly connected with a push arm and the lower end of the push arm is articulated with a clutch push rod; the push arm is equipped with a horizontal pin which is aligned with a rotary arm which is articulated with an upper girder; the lower end of the rotary arm is articulated with a braking pull rod of the back wheel; the utility model, with the front and back single wheel, narrow shape and low gravity center, can implement tilling, sowing and fertilization on a slope with an angle of 20 degrees; the utility model can also be refit into a transport vehicle quickly; in this way, the utility model is convenient for use and is provided with a plurality of functions.

Description

Farming quick-changing type walker tractor forward

Technical field

The utility model relates to field machine, specifically a kind of forward farming quick-changing type walker tractor.

Background technology

The wheel of widely used tillage machinery is transversely arranged in the existing farmland operation, its efficient height, good stability, but be unsuitable in the gradient than big mountain area, hills and the field operation of narrow dike to 15-20 °, to inscribing out on pressure wheel ground and breakking away, general suitable two-wheel or single-wheel operation have the shortcoming of poor stability again.Be again inseparable in the rural area farming with transportation in addition, the trouble of remodeling, time-consuming has restricted their use.Even many peasant households have been equipped with walker tractor, but still the in addition foster farm animal of palpus be replenished the operation that it can not be finished, and particularly in hills and mountain area, the configuration walker tractor accounts for more than 80% with the peasant household of while feed farm animal.So just increased cost.As everyone knows, it is low to use farm animal to render a service, and cost is 1-2 a times of tractor-ploughing.Farm animal also must be raised by manpower, time-consuming, effort.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of improved forward farming quick-changing type walker tractor is provided, and it is with forward and backward single-wheel, the narrow bodily form, low center of gravity layout, can reach 20 ° slope in the gradient and carry out farming, also can repack transport vehicle fast into, easy to use, function is many.

The purpose of this utility model is achieved in that

A kind of forward farming quick-changing type walker tractor comprises driving engine, change speed gear box, vehicle frame, wheel and steering unit, and the output shaft of driving engine connects change speed gear box with belt pulley, and the input shaft belt pulley of change speed gear box is provided with the power-transfer clutch by push rod control, it is characterized in that:

Wheel comprises a front-wheel and a trailing wheel, and front-wheel is connected in the turning sleeve of vehicle frame through front forked frame, and trailing wheel is contained on the rear wheel frame, forms forward and backward single-wheel layout; This driving engine, change speed gear box are contained on the chassis, vehicle frame middle part, be contained in trailing wheel on the rear wheel frame by output shaft of gear-box with chain wheel drive;

Its steering unit comprises turning to controls assembly and clutch handle assembly;

Turn to the control assembly that one handgrip that crosses out is arranged left, this handgrip connects a pivoted housing, and this pivoted housing is sleeved on the bearing that is fixed in upper frame rail, and the hinged connecting rod of this pivoted housing, this connecting rod are held the pivoted arm that is articulated in the front forked frame upper end in addition.

Clutch handle assembly is contained on the upper frame rail of change speed gear box upper end, it is configured to: the clutch handle has the horizontal bar of holding up, the affixed vertical rod of this barre, this vertical rod affixed one horizontal rotating shaft, this rotating shaft is by the supporting of the axle bed at two ends, and this vertical rod has the stop gear that is made of handgrip, stretching lingual plate and arc lingual alveolar plate that limits turned position; The affixed push arm of this rotating shaft, the hinged clutch push rod in this push arm lower end, this clutch push rod connect the cam of the power-transfer clutch of control clutch input shaft upper belt pulley; There is a pin rod that crosses out at this push arm middle part, and this pin rod aligns a pivoted arm that is articulated on the upper beam, the hinged rear wheel brake pull bar in this pivoted arm lower end, and this pivoted arm connects a retracing spring.

Described trailing wheel is provided with castellated arrangement of clutch, it is configured to: respectively there is internal concave hopper chute at trailing wheel central axle sleeve two ends, this chute be contained in evagination slide block on the left and right bushing on the rear wheel frame corresponding and in withdraw from, realize when inserting from, close, this central axle sleeve and left and right axle sleeve are contained on the hind axle jointly, and this hind axle is detachable with the nut locking.

Described vehicle frame is by upper beam, turning sleeve, front support rod, chassis, the affixed one-tenth one of king-rod is integral body vertically, the space that mounted engine, power-transfer clutch are arranged between this upper beam and the chassis, rear wheel frame is formed by detouchable bilateral back stay and upper frame rail rear portion in this vehicle frame rear portion, hinged one pivoted arm that handgrip arranged at the rear portion of this vehicle frame, the corner of this pivoted arm is by being contained in the inhibiting device location that stretching lingual plate on the handgrip and arc lingual alveolar plate are formed, the hinged trussed beam of this pivoted arm, there is the plough point this trussed beam lower end, and the hinged pull bar of this trussed beam, this pull bar are held the pivotally connected frame chassis in addition.

Belt pulley on the two ends spindle nose of described change speed gear box is a demountable structure, and the left and right wheel that can change the outfit on this two ends reel when hanging the transportation trailer is hinged with hanger between this trailer and the vehicle frame.

Described front-wheel outer is connected with circumferential evagination tooth plate, and the orientation of this each evagination tooth plate is parallel with the wheel working direction.

The utility model has following actively useful effect:

1. this machine adopts office of the narrow bodily form low center of gravity of forward and backward single-wheel portion, be similar to two-wheel motorcycle, adopt to turn to handgrip and the control of clutch handgrip, the people stands in the left side handle, during walking, the people can stronger the moving with pressure-raising of left hand work in coordination with right hand maintenance balance under comfortable strong condition.The people can finish control swing like a cork, and when single ridge farming, the people can hold up position and operation exactly like a cork.

2. this function replaces the animal power operation fully in area below 20 °.

3. this machine adopts the quick change mode to change type rapidly, adapts to farming or the transportation that will finish.

This function is finished the function that general small hand tractor has, as plows, cares for sowing, fertilizer applicator.

4. this machine gearbox has a quick output shaft to drive operations such as rotary tillage, except that minor sprocket is arranged, also has two to connect dish on its final drive shaft, is used for the connection of horizontal two drive wheels.Change speed gear box has the separation device that rotates respectively of control left and right wheels, thus have lay down front and back wheel fast after, form rapidly transversely arranged, with the identical effect of existing two-wheel walker tractor.

Description of drawings

Fig. 1 is the structural representation of the utility model one embodiment;

Fig. 2 is the birds-eye view of Fig. 1;

Fig. 3 is the right elevation of Fig. 1;

Fig. 4 is the structural representation of the clutch handgrip among Fig. 1;

Fig. 5 is the lateral plan of Fig. 4;

Fig. 6 is a trailing wheel clutch structure assembly decomposing schematic representation of the present utility model;

Fig. 7 is the structural representation that the utility model repacks transport vehicle into.

Accompanying drawing number

1. driving engine 101. output shaft belts are taken turns

2. change speed gear box

201. input shaft belt pulley 202. output shaft belts are taken turns 203. both sides reels

3. vehicle frame

302. turning sleeves, 303. front support rods 301. put the beams in place

304. chassis 305. king-rods, 306. back stays

307. crossbeam

4. front forked frame 401. pivoted arms

5. trailing wheel arrangement of clutch

501. central axle sleeve 502. internal concave hopper chutes

503. left and right axle sleeve 504. evagination slide blocks

6. sprocket wheel

7. hind axle 701. locknuts

8. turn to the control assembly

801. handgrip 802. pivoted housings 803. bearings

804. pivoted arm 805. connecting rods

9. clutch handle assembly

901. barre 902. vertical rods 903. rotating shafts

904. axle bed 905. handgrips 906. stretching lingual plates

907. arc lingual alveolar plate 908. push arms 909. clutch push rods

910. pin rod 911. pivoted arms 912. pull bars

913. retracing spring

10. trailing wheel

11. front-wheel 111. evagination tooth plates

12. rear wheel frame 121. axle beds

13. inhibiting device

131. handgrip 132. pivoted arms

14. sharp 16. pull bars of trussed beam 15. ploughs

17. both sides wheel

18. trailer 181. hangers

The specific embodiment

Please refer to Fig. 1, Fig. 2, Fig. 3, the utility model is a kind of forward farming quick-changing type walker tractor, comprise driving engine 1, change speed gear box 2, vehicle frame 3, wheel and steering unit, the output shaft of driving engine connects change speed gear box 2 with belt pulley 101, the input shaft belt pulley 201 of change speed gear box 2 is provided with the power-transfer clutch by push rod control, it is characterized in that:

Wheel comprises a front-wheel 11 and a trailing wheel 10, and front-wheel 11 is connected in the turning sleeve 302 of vehicle frame through front forked frame 4, and trailing wheel 10 is contained on the rear wheel frame, forms forward and backward single-wheel layout; This driving engine 1, change speed gear box 2 are contained on the chassis 304, vehicle frame middle part, be contained in trailing wheel 10 on the rear wheel frame by output shaft of gear-box 202 with chain wheel drive;

Its steering unit comprises turning to controls assembly 8 and clutch handle assembly 9;

Please refer to Fig. 1, Fig. 2, turn to control assembly 8 that a handgrip that crosses out 801 is arranged left, this handgrip connects a pivoted housing 802, and this pivoted housing 802 is sleeved on the bearing 803 that is fixed in upper frame rail, the hinged connecting rod 804 of this pivoted housing, this connecting rod 804 is held the pivoted arm 401 that is articulated in front forked frame 4 upper ends in addition.

Please refer to Fig. 4, Fig. 5, clutch handle assembly 9 is contained on the upper frame rail 301 of change speed gear box 2 upper ends, it is configured to: the clutch handle has the horizontal bar 901 of holding up, the affixed vertical rod 902 of this barre, this vertical rod affixed one horizontal rotating shaft 903, this rotating shaft is by axle bed 904 supporting at two ends, and this vertical rod 902 has the stop gear that is made of handgrip 905, stretching lingual plate 906 and arc lingual alveolar plate 907 that limits turned position; These rotating shaft 903 affixed push arms 908, the hinged clutch push rod 909 in this push arm lower end, this clutch push rod 909 connects the cam of the power-transfer clutch of control clutch input shaft upper belt pulley 201; The power-transfer clutch of this belt pulley 201 is a prior art.There is a pin rod that crosses out 910 at these push arm 908 middle parts, and this pin rod 910 aligns a pivoted arm 911 that is articulated on the upper beam, this hinged rear wheel brake pull bar 912 in pivoted arm 911 lower ends, and the same prior art of this rear wheel brake, this specification sheets does not describe in detail.This pivoted arm connects a retracing spring 913.

Please refer to Fig. 6, described trailing wheel 10 is provided with castellated arrangement of clutch 5, it is configured to: respectively there is internal concave hopper chute 502 at trailing wheel central axle sleeve 501 two ends, this chute be contained in evagination slide block 504 on the left and right bushing 503 on the rear wheel frame corresponding and in withdraw from, realize when inserting from, close, this central axle sleeve 501 and left and right axle sleeve 503 are contained on the hind axle 7 jointly, and detachable, clutch realizes by unloading, adorn hind axle 7 this hind axle 7 with nut 701 lockings.

Please refer to 1, described vehicle frame 3 is by putting the beams in place 301, turning sleeve 302, front support rod 303, chassis 304, king-rod 305 affixed one-tenth one are vertically whole, between this upper beam 301 and the chassis 304 mounted engine 1 is arranged, the space of power-transfer clutch 2, rear wheel frame 12 is formed by detouchable bilateral back stay 306 and upper frame rail 301 rear portions in these vehicle frame 3 rear portions, hinged one pivoted arm 131 that handgrip arranged at the rear portion of this vehicle frame, the corner of this pivoted arm is by being contained in inhibiting device 13 location that stretching lingual plate on the handgrip and arc lingual alveolar plate are formed, these pivoted arm 131 hinged trussed beams 14, there are plough point 15, these trussed beam 14 hinged pull bars 16 in this trussed beam lower end, this pull bar is held pivotally connected frame chassis 304 in addition.

Please refer to Fig. 7, the belt pulley on the two ends spindle nose of described change speed gear box 2 is a demountable structure, and the left and right wheel 17 that can change the outfit on this two ends reel 203 when hanging transportation trailer 18 is hinged with hanger 181 between this trailer and the vehicle frame.

Please refer to Fig. 2, described front-wheel 11 outers are connected with circumferential evagination tooth plate 111, and the orientation of this each evagination tooth plate 111 is parallel with the wheel working direction.

Claims

1. farming quick-changing type walker tractor forward, comprise driving engine (1), change speed gear box (2), vehicle frame (3), wheel and steering unit, the output shaft of driving engine connects change speed gear box (2) with belt pulley (101), the input shaft belt pulley (201) of change speed gear box (2) is provided with the power-transfer clutch by push rod control, it is characterized in that:

Wheel comprises a front-wheel (11) and a trailing wheel (10), and front-wheel (11) is connected in the turning sleeve (302) of vehicle frame through front forked frame (4), and trailing wheel (10) is contained on the rear wheel frame, forms forward and backward single-wheel layout; This driving engine (1), change speed gear box (2) are contained on the chassis, vehicle frame middle part (304), be contained in trailing wheel (10) on the rear wheel frame by output shaft of gear-box (202) with chain wheel drive;

Its steering unit comprises turning to controls assembly (8) and clutch handle assembly (9);

Turn to control assembly (8) that a handgrip that crosses out (801) is arranged left, this handgrip connects a pivoted housing (802), this pivoted housing (802) is sleeved on the bearing (803) that is fixed in upper frame rail, the hinged connecting rod of this pivoted housing (804), this connecting rod (804) are held the pivoted arm (401) that is articulated in front forked frame (4) upper end in addition.

Clutch handle assembly (9) is contained on the upper frame rail (301) of change speed gear box (2) upper end, it is configured to: the clutch handle has the horizontal bar (901) of holding up, the affixed vertical rod of this barre (902), this vertical rod affixed one horizontal rotating shaft (903), this rotating shaft is by axle bed (904) supporting at two ends, and this vertical rod (902) has the stop gear by handgrip (905), stretching lingual plate (906) and arc lingual alveolar plate (907) formation that limits turned position; The affixed push arm of this rotating shaft (903) (908), the hinged clutch push rod in this push arm lower end (909), this clutch push rod (909) connects the cam of the power-transfer clutch of control clutch input shaft upper belt pulley (201); This push arm (908) middle part has a pin rod that crosses out (910), this pin rod (910) to align a pivoted arm (911) that is articulated on the upper beam, and the hinged rear wheel brake pull bar in this pivoted arm (911) lower end (912), this pivoted arm connect a retracing spring (913).

2. forward farming quick-changing type walker tractor as claimed in claim 1, it is characterized in that: described trailing wheel (10) is provided with castellated arrangement of clutch (5), it is configured to: respectively there is internal concave hopper chute (502) at trailing wheel central axle sleeve (501) two ends, this chute be contained in evagination slide block (504) on the left and right bushing (503) on the rear wheel frame corresponding and in withdraw from, realize when inserting from, close, this central axle sleeve (501) and left and right axle sleeve (503) are contained on the hind axle (7) jointly, and this hind axle (7) is detachable with nut (701) locking.

3. farming quick-changing type walker tractor forward according to claim 1, it is characterized in that: described vehicle frame (3) is by put the beams in place (301), turning sleeve (302), front support rod (303), chassis (304), the affixed one-tenth one of king-rod (305) is vertically whole, between this upper beam (301) and chassis (304) mounted engine (1) is arranged, the space of power-transfer clutch (2), this vehicle frame (3) rear portion has detouchable bilateral back stay (306) and upper frame rail (301) rear portion to form rear wheel frame (12), hinged one pivoted arm (131) that handgrip arranged at the rear portion of this vehicle frame, the corner of this pivoted arm is by being contained in inhibiting device (13) location that stretching lingual plate on the handgrip and arc lingual alveolar plate are formed, the hinged trussed beam of this pivoted arm (131) (14), there are plough point (15), the hinged pull bar of this trussed beam (14) (16) in this trussed beam lower end, this pull bar is held pivotally connected frame chassis (304) in addition.

4. farming quick-changing type walker tractor forward according to claim 1, it is characterized in that: the belt pulley on the two ends spindle nose of described change speed gear box (2) is a demountable structure, hang the left and right wheel (17) that to change the outfit on this two ends reel (203) when transporting trailer (18), be hinged with hanger (181) between this trailer and the vehicle frame.

5. farming quick-changing type walker tractor forward according to claim 1, it is characterized in that: described front-wheel (11) outer is connected with circumferential evagination tooth plate (111), and the orientation of this each evagination tooth plate (111) is parallel with the wheel working direction.