CN1421120A

CN1421120A - Small engine plough

Info

Publication number: CN1421120A
Application number: CN 01138720
Authority: CN
Inventors: 王维全
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-11-28
Filing date: 2001-11-28
Publication date: 2003-06-04

Abstract

The present invention relates to agricultural machines. The small engine plough includes chassis, plowing drive wheel, walking drive wheel, guide unit, engine, transmission mechanism and seedling and fertilizer applying unit. It features the guide unit in front part of the chassis; the plowing drive wheel in the back middle part of the chassis, the seeding and fertilizer applying unit in back part including bearing bush, axle, clutch handle, chain wheel, seeding wheel, fertilizer applying wheel, seed box and chemical fertilizer box, etc.; the walking drive wheel below the back part of the chassis. The present invention can regulate plowing depth and direction automatically.

Description

Small engine plough

(1) technical field

The invention belongs to a kind of motor-driven farm implements.

(2) background technology

The arable land is a ring very important in the agricultural production process.Agro-farming at present mainly contains tractor-ploughing and ox is ploughed two kinds, and ox is ploughed the peasant needs cowboying, and every ox consumes a large amount of feeds, also needs management and conscientiously raises, thereby strengthened the arable land cost.Tractor-ploughing mainly is to plough with tractor, but buys tractor expense height, and farmers' family buys difficulty, normally rents or Bao Geng, and every mu of ground peasant also will pay very big expense.Tractor is in patch, the greenhouse or hillside fields in addition, and farming is got up very inconvenient.

For addressing the above problem, I had once designed, and a kind of volume is little, oil consumption is few, price is low, and engine plough has been declared utility model patent to State Patent Office, and application number is 99223577.X.The guiding of this motor plough and the arable land depth can not be adjusted automatically, and with the time when longer, and particularly weather hot season, engine easily generates heat.In addition, sowing and fertilising need provide sowing and practical farm machinery in addition, thereby increase the farming link, have improved and have cultivated cost.

(3) summary of the invention

In order to enlarge the scope of application in arable land, reduce the expense that the peasant ploughs, prolong the service life of engine, the invention provides a kind of small engine plough, this small engine plough price is low, oil consumption is few, both can cultivate the ground of various landform such as large and small ground, hillside fields, vegetable plot and ground, greenhouse, but seeding and fertilizing again.

The technical scheme that adopts is:

Small engine plough comprises arable land driving wheel, running wheel, guider, vehicle frame, two handlebars, engine, plough, transmission mechanism and seeding and fertilizing devices.

Vehicle frame comprises two curb girders and a plurality of crossbeam, fixedly connected with two curb girders respectively in a plurality of crossbeams two ends, the front end of two curb girders is fixedlyed connected with perpendicular sleeve pipe, intrinsic two upper and lower short tubes of horizontal welding and be drilled with a pin-and-hole on the perpendicular sleeve pipe, the pin-and-hole place is equiped with a spring catch, be fixed with car respectively and clap on two curb girders, car is clapped upward fluted, is fixed with engine bracker on the crossbeam of vehicle frame; Engine is fixed on the engine bracker, is equiped with sprocket wheel on the output shaft of engine; The front end of two handlebars is separately fixed on the vehicle frame; Be equiped with a clutch handle on the handlebar, the clutch handle is connected with spring catch on the perpendicular sleeve pipe by the clutch line.

Plough is made up of ploughshare and ploughshare pole, and there is connecting lever the lower end of ploughshare pole, and the upper end of ploughshare pole is fixed on the crossbeam of vehicle frame, and ploughshare is installed on the connecting lever;

Transmission mechanism, comprise drive sprocket, the first coaxial change-speed gearing assembly and the second coaxial change-speed gearing assembly, drive sprocket is fixed on the wheel disc, wheel disc is fixed on the driving wheel of arable land, the first coaxial change-speed gearing assembly is made of the hinge wheel and the minor sprocket that are fixed on the same wheel shaft, the second coaxial change-speed gearing assembly is made of the hinge wheel and the minor sprocket that are fixed on the same axle, hinge wheel in the first coaxial change-speed gearing connects by the output chain gear of chain and engine, minor sprocket in the first coaxial change-speed gearing assembly connects by the hinge wheel in chain and the second coaxial change-speed gearing assembly, minor sprocket in the second coaxial change-speed gearing assembly connects by chain and drive sprocket, axle one end of the first coaxial change-speed gearing assembly is equiped with power output sprocket, is respectively arranged with protective cover above the drive sprocket outside and the first and second coaxial change-speed gearing assemblies.

Guider, comprise the directive wheel bracing frame, the directive wheel bracing frame is made up of two perpendicular stay pipes and a horizontal stay pipe, vertically be drilled with a plurality of adjustment hole on two perpendicular stay pipes, the middle part of horizontal arm is provided with a horizontal case perpendicular to horizontal stay pipe, its two ends are inserted with a telescoping tube respectively, be drilled with two adjustment holes on two telescoping tubes respectively, two telescoping tubes can be done flexible the adjustment, the outboard end of two telescoping tubes solid welding respectively has a sleeve pipe, perpendicular sleeve pipe is fixed on the perpendicular stay pipe, and can adjust up and down, fixedlying connected with two wheel carriers respectively in two perpendicular sleeve pipe lower ends, on two wheel carriers a directive wheel is housed respectively, and the horizontal case of horizontal stay pipe middle part can be fixed on the last short tube or following short tube of vehicle frame front end.

The seeding and fertilizing device comprises bearing shell, wheel shaft, clutch handle, sprocket wheel, seeding wheel, fertilising wheel, seed-box and chemical fertilizer case; Wheel shaft is supported by bearing shell, bearing shell is fixed on the end, rear end of vehicle frame, bearing shell is provided with bracing frame, seed-box and chemical fertilizer case are fixed on the bracing frame, and seed-box and chemical fertilizer case are structure as a whole, seeding wheel and fertilising wheel are separately positioned in seed-box and the chemical fertilizer case, and be installed in respectively on the wheel shaft, being respectively equipped with a plurality of material grooves of establishing on seeding wheel and the fertilising wheel, a side of wheel shaft is extended outside the seed chemical fertilizer case, sprocket wheel is sleeved on the bearing, bearing is installed in the end of wheel shaft elongated end, and the outside back of the body of bearing has nut, clutch handle to be installed on the wheel shaft of bearing inboard, and be threaded with wheel shaft, sprocket wheel can connect with power output sprocket mutually by chain.

Running wheel is positioned at the back lower place of vehicle frame, running wheel is installed on the wheel carrier, wheel carrier is fixedlyed connected with the lower end of perpendicular stay pipe, be drilled with a plurality of adjustment hole on the perpendicular stay pipe, the rear end of vehicle frame is fixed with a perpendicular sleeve pipe for perpendicular stay pipe insertion, be drilled with pin-and-hole on the perpendicular sleeve pipe, perpendicular stay pipe inserts in the perpendicular sleeve pipe, and is fixed by pin.

The arable land driving wheel is arranged on the postmedian of vehicle frame, is installed on the live axle, and the two ends of live axle are respectively charged in the groove that car claps, and with the back of the body cap back of the body tightly.

Described directive wheel bracing frame can be a perpendicular stay pipe, and the lower end of perpendicular stay pipe is stretched with one or two epitaxial lateral overgrowth and had the wheel carrier of wheel shaft to fixedly connected, and is equiped with metal oblique angle wheel on two outward extending wheel shafts of wheel carrier respectively.

Described directive wheel bracing frame also can be made of two perpendicular stay pipes and two horizontal stay pipes and two locating sleeves, fixedly connected with two wheel carriers respectively in the lower end of two perpendicular stay pipes, be equiped with a directive wheel on two wheel carriers respectively, be drilled with a plurality of adjustment hole on two perpendicular stay pipes respectively, be fixed with two intermediate plates on two locating sleeves respectively, the middle part of two horizontal stay pipes has a horizontal case respectively, horizontal case and two horizontal stay pipes are perpendicular, two horizontal stay pipes be arranged in parallel, and insert respectively in two intermediate plates on two locating sleeves at its two ends, and located by bolt respectively, the horizontal case of two horizontal arm middle parts can be fixed in respectively on two of vehicle frame front end, on the following short tube.

Various tools such as the lower end of above-mentioned ploughshare support also can be installed and draw hoe, be ploughed, level land.

In order to adjust to running wheel, installing one bearing is provided with a wheel shaft adjusting lever between this bearing and the vehicle frame rear portion on the wheel shaft of rear drive sprocket, and an end of wheel shaft adjusting lever has an arc jacking block, this arc jacking block roof pressure is on the walking live axle, and its other end is hinged on the vehicle frame.

Air-cooled for a machine is carried out, in order to avoid cross the cause thermal damage engine, anterior close engine place is equiped with air cooling equipment at vehicle frame.Air cooling equipment comprises fixedly axle cap, fan blade, fan blade outer cover; Fixedly axle cap is provided with tapped axis hole, has external screw thread on its opposite side outer arm, and the internal thread axis hole of fixed axis one side is threaded with the bent axle of engine, and fan blade is sleeved on the fixedly opposite side of axle cap, and tight with the nut back of the body, and the fan blade outer cover is fixed on the vehicle frame.

The present invention is simple in structure, volume is little, in light weight, oil consumption is few, price is low, be not only applicable to plough plough bulk ground and be applicable to and plough plough batter, concave and convex ground,, circular shaped ground, ground, vegetable garden, orcharding, inner greenhouse ground and inner flower shed ground etc.The operator can realize the automatic adjusting of the arable land depth, guiding by pressing the clutch handle.The present invention has also installed the seeding and fertilizing device in the rear end of car body, thereby can realize plough sowing, the streamlined operation of applying fertilizer, and saving equipment and manpower have reduced and cultivated cost.In addition, because air cooling equipment has been installed, can make the engine long time service and not overheated, the present invention can promote the use of in vast rural area.

(4) description of drawings

Fig. 1 is the structural representation of first kind of embodiment of the present invention.Fig. 2 is the structural representation of second kind of embodiment of the present invention.Fig. 3 is the structural representation of the third embodiment of the present invention.Fig. 4 is the big stereogram in side of guider among second kind of embodiment of the present invention.Fig. 5 is the decomposing schematic representation of spring catch.Fig. 6 is the structural representation of seeding apparatus of the present invention.Fig. 7 is the decomposing schematic representation of air cooling equipment.Fig. 8 is a transmission mechanism schematic diagram of the present invention.

(5) embodiment

Embodiment one

Small engine plough comprises vehicle frame, guider, two handlebars 1, arable land driving wheel 2, running wheel 3, plough, engine 4, seeding and fertilizing device and air cooling equipments.

Vehicle frame, comprise two curb girders 5 and three crossbeams 6, two ends of three crossbeams 6 are fixedlyed connected with two curb girders 5 respectively, forwardly be fixed with supporting plate 7 on two crossbeams 6, engine 4 is fixed on the supporting plate 7, and the rear portion of two curb girders 5 is fixed with the front end welding one perpendicular sleeve pipe 10 of 8, two curb girders 5 of car bat of a band groove respectively, the intrinsic upper and lower short tube 11,12 of horizontal welding on the perpendicular sleeve pipe 10, upper and lower short tube 11 and 12 reaches on the perpendicular sleeve pipe and is drilled with a pin-and-hole respectively.The front end of two handlebars 1 is separately fixed on the vehicle frame, and solid welding one horizontal arm 13 is equipped with a clutch handle 14 between two handlebars 1 on the handlebar 1 on right side, is fixed with a sprocket wheel 15 on the output shaft of engine 4; Plough is made up of ploughshare 16 and ploughshare pole 17, and there is connecting lever the lower end of ploughshare pole 17, and the upper end of ploughshare pole 17 is fixed on second crossbeam 6, and ploughshare 16 is installed on the connecting lever.Guider, comprise the directive wheel bracing frame, the directive wheel bracing frame is a square tube 18, the lower end solid welding of square tube 18 has one or two wheel carrier 19 that is outward extended with wheel shaft, one metal oblique angle wheel 20 is housed respectively on 19 two outward extending wheel shafts of wheel carrier, be drilled with a plurality of adjustment hole 9 on the square tube 18, after perpendicular sleeve pipe 10 is passed in the upper end of square tube 18, fixed by a spring catch 21, spring catch 21 is by shell 22, pin 23, spring 24, nut 25 constitutes, and shell 22 is cylindrical, and the solid welding of one end is at the pin-and-hole place of perpendicular sleeve pipe 10, its other end is threaded with nut 25, one perforation 27 is arranged on the nut 25, and pin 23 is connected with clutch handle on the handlebar 1 by clutch line 26, and arable land driving wheel 2 is installed on the live axle 28, the two ends of live axle 28 are respectively charged into car and clap in the groove on 8, and with the back of the body cap back of the body tightly.Transmission mechanism comprises drive sprocket 29, the first coaxial change-speed gearing assemblies, the second coaxial change-speed gearing assembly.Drive sprocket 29 is fixed on the wheel disc, and wheel disc is fixed on arable land driving wheel 2.Sprocket wheel 30 on the same axle and sprocket wheel 31 constitute, and the second coaxial change-speed gearing assembly is made of the sprocket wheel 32 and the sprocket wheel 33 that are fixed on the same axle.Sprocket wheel 30 connects by chain 34 and sprocket wheel 15.Sprocket wheel 31 connects by chain 35 and sprocket wheel 32, and sprocket wheel 33 connects by chain 36 and drive sprocket 29.In drive sprocket 29 arranged outside protective cover 37 is arranged, the outside axle head that is provided with protective cover 38, the first coaxial change-speed gearing assemblies above the first and the tenth coaxial change-speed gearing assembly is fixed a power output wheel for laxative, the usefulness of drawing water and is changed 9.The outside axle head of the second coaxial change-speed gearing assembly is equipped with a power output sprocket 40; Running wheel 3 is installed on the wheel shaft 41, wheel shaft 41 is installed on the wheel carrier 42, a vertical supporting rod 43 is welded in the upper end of wheel carrier 42, be drilled with a plurality of adjustment holes 44 on the vertical supporting rod 43, vertical supporting rod 43 can insert a solid welding in the perpendicular sleeve pipe 45 at vehicle frame rear portion, on the perpendicular sleeve pipe 45 jackscrew 46 is installed, vertical supporting rod 45 can screw in the adjustment hole 44 selected on it by jackscrew 46 and be fixed, one side of wheel shaft 41 leans out outside the wheel carrier 42, and lean out end one drive sprocket 47 is housed, when not ploughing fertilising, drive sprocket 47 can connect mutually by the power output sprocket 40 of chain 60 with the second coaxial change-speed gearing assembly outside axle head; The seeding and fertilizing device comprises bearing shell 48, wheel shaft 49, clutch handle 50, sprocket wheel 51, seeding wheel 52, fertilising wheel 53, seed-box 54, chemical fertilizer case 55.Wheel shaft 49 is supported by bearing shell 48, bearing shell 48 is fixed on the vehicle frame, bearing shell 48 is provided with bracing frame 56, seed-box 54 and chemical fertilizer case 55 are fixed on the bracing frame 56, and seed-box 54 and chemical fertilizer case 55 are structure as a whole, seeding wheel 52 and fertilising wheel 53 are contained in respectively in seed-box 54 and the chemical fertilizer case 55, and be installed in respectively on the wheel shaft 49, on seeding wheel 52 and the fertilising wheel 53 seed trough 57 and chemical fertilizer groove 58 are arranged respectively, one end of wheel shaft 49 leans out outside the casing of seed-box 54 and chemical fertilizer case 55, and sprocket wheel 51 is set with a bearing, is installed in the end that leans out of wheel shaft 19, and one nut 59 being arranged at the outside of sprocket wheel 51 back of the body, clutch handle 50 is positioned at the inboard of sprocket wheel 51; And be threaded with wheel shaft 49, during seeding and fertilizing, sprocket wheel 51 can connect mutually by the power output sprocket 40 of chain 71 with the second coaxial change-speed gearing assembly outside axle head, clutch handle 50 is when sprocket wheel 51 1 sidespins are tight, wheel shaft 49 can rotate and drive seeding wheel 52 and 53 work of fertilising wheel under the drive of sprocket wheel 51, clutch handle 50 is to rotating away from sprocket wheel 51 directions, and then seeding wheel 52 and fertilising wheel 53 do not rotate, and stop seeding and fertilizing.

In order to adjust to running wheel 3, between the side curb girder 5 at installed inside one bearing 61, this bearing 61 and the vehicle frame of drive sprocket 47 a wheel shaft adjusting rod 62 is being set on the wheel shaft 41, one end solid welding of wheel shaft adjusting rod 62 has an arc jacking block 63, this arc jacking block 63 is replaced at the outer of bearing 61 and is put, and an end is fixed on the curb girder 5 of vehicle frame in the wheel shaft adjusting rod 62.

Air-cooled for engine 4 is carried out, in order to avoid cross cause thermal damage engine 4, be equiped with air cooling equipment near the engine place at the vehicle frame front end.Air cooling equipment is when comprising fixedly axle cap 64, wind 65, fan blade outer cover 66; Fixedly a side of axle cap 64 is provided with a tapped axis hole 67, its opposite side has external screw thread 68, and fixedly the internal thread axis hole 67 of axle cap 64 is threaded with the bent axle 69 of engine, and fan blade 65 is sleeved on the fixedly opposite side of axle cap 64, and tight with nut 70 back ofs the body, fan blade outer cover 66 is fixed on the vehicle frame.

Embodiment two

Be outside embodiment two and embodiment one different that the directive wheel bracing frame of guider is made up of two perpendicular stay pipes 71 and a horizontal stay pipe 72, weld with two wheel carriers 73 that a directive wheel 80 respectively is housed respectively the lower end of two perpendicular stay pipes 71, vertically be drilled with a plurality of adjustment holes 74 on two perpendicular stay pipes 71, the middle part of horizontal stay pipe 72 have one with the perpendicular horizontal case 75 of horizontal stay pipe 72, the two ends of horizontal stay pipe 72 are inserted with a telescoping tube 76 respectively, the both sides of horizontal stay pipe 72 tube walls are installed a jackscrew 77 respectively, being drilled with 78, two telescoping tubes 76 of a plurality of adjustment holes on two telescoping tubes 76 respectively can screw in the selected adjustment hole 78 by jackscrew 77 and fixed.The outboard end of two telescoping tubes 76 solid welding respectively has and on perpendicular 79, two perpendicular sleeve pipes 79 of sleeve pipe 81, two perpendicular sleeve pipes 79 of a jackscrew is installed respectively and can be nested with respectively on two perpendicular stay pipes 71, and can be fixed by jackscrew 81 respectively.The horizontal case 75 of horizontal stay pipe 72 middle parts can be nested with on short tube 11 on the vehicle frame front end, and penetrates in the pin hole on the short tube 11 with pin and to be fixed.

Embodiment three

The directive wheel bracing frame that the difference of embodiment three and embodiment one is guider is made up of two perpendicular stay pipes 82 and two horizontal stay pipes 83 and two locating sleeves 84, weld with the wheel carrier 86 that a directive wheel 85 respectively is housed respectively the lower end of two perpendicular stay pipes 82, be drilled with a plurality of adjustment hole 87 on two vertical supporting rods 82, the solid welding intermediate plate 88 that has two iron plates to make respectively on the tube wall of two locating sleeves 84, and be rotary with a jackscrew 89 respectively.The middle part of two horizontal stay pipes 83 has the perpendicular horizontal case 90 of one and two horizontal stay pipes 83 respectively, two of two horizontal stay pipes 83 insert respectively in two intermediate plates 88 on two locating sleeves 84, and locked by bolt respectively, two horizontal stay pipes 83 can be done fixed parallel the moving of a tentering.Two horizontal cases 90 of two horizontal stay pipe 83 middle parts insert respectively on two upper and lower short tubes 11 and 12 of vehicle frame front end, and insert in the pin hole on upper and lower short tube 11 and 12 by pin and to be fixed.

Claims

1, small engine plough comprises arable land driving wheel (2), running wheel (3), guider, vehicle frame, two handlebars (1), engine (4), plough, transmission mechanism, seeding and fertilizing device and air cooling equipment; Vehicle frame is made up of two curb girders (5) and a plurality of crossbeam (6), fixedly connected with two curb girders (5) respectively in a plurality of crossbeams (6) two ends, be fixed with car on two curb girders (5) respectively and clap (8), car is clapped (8) and is fixed on the supporting plate (7), is equiped with sprocket wheel (15) on the output shaft of engine (4); The front end of two handlebars (1) is separately fixed on the vehicle frame; Plough is made up of ploughshare (16) and ploughshare pole (17), and there is connecting lever the lower end of ploughshare pole (17), and the upper end of ploughshare pole (17) is fixed on the crossbeam (6), and ploughshare (16) is installed on the connecting lever; The front end of vehicle frame is provided with guider; Arable land driving wheel (2) is arranged on the postmedian of vehicle frame, is installed on the live axle (28), and the two ends of live axle (28) are respectively charged into car and clap in the groove (9) on (8), and with the back of the body cap back of the body tightly; Transmission mechanism, comprise drive sprocket (29), the first coaxial change-speed gearing assembly and the second coaxial change-speed gearing assembly, drive sprocket (29) is fixed on the wheel disc, wheel disc is fixed on the arable land driving wheel (2), the first coaxial change-speed gearing assembly is made of the sprocket wheel (30) and the sprocket wheel (31) that are fixed on the same wheel shaft, the second coaxial change-speed gearing assembly is made of the sprocket wheel (32) and the sprocket wheel (33) that are fixed on the same axle, sprocket wheel (30) connects by chain (34) and sprocket wheel (15), sprocket wheel (31) connects by chain (35) and sprocket wheel (32), sprocket wheel (33) connects by chain (36) and drive sprocket (29), axle one end of the first coaxial change-speed gearing assembly is equiped with for laxative, the power output wheel of the usefulness of drawing water (39), the second coaxial change-speed gearing assembly the axle one end be equiped with power output sprocket (40), it is characterized in that:

A, go up horizontal fixed at the perpendicular cover (10) of vehicle frame front end and upper and lower short tube (11), (12) are arranged and be drilled with a pin-and-hole, the pin-and-hole place is equiped with a spring catch (21), be equiped with a clutch handle (14) on the handlebar (1), clutch handle (14) is connected with spring catch (21) on the perpendicular sleeve pipe (10) by the clutch line;

B, guider, comprise the directive wheel bracing frame, the directive wheel bracing frame is made up of two perpendicular stay pipes (71) and a horizontal stay pipe (72) and two telescoping tubes (76), two perpendicular stay pipes (71) are gone up vertical with being drilled with a plurality of adjustment hole (74), the middle part of horizontal arm (72) is provided with a horizontal case perpendicular to horizontal stay pipe (72) (75), be drilled with a plurality of adjustment holes (78) on two telescoping tubes (76) respectively, one end of two telescoping tubes (76) can be plugged in respectively in the horizontal stay pipe (72), its other end is fixedlyed connected with a perpendicular sleeve pipe (79) respectively, two perpendicular sleeve pipes (76) are fixed in respectively on two perpendicular stay pipes (71), and can do, the following adjustment, the horizontal case (75) of horizontal stay pipe (72) middle part can be fixed on the last short tube (11) or following short tube (12) of vehicle frame front end, and can be fixed by pin;

C, seeding and fertilizing device comprise bearing shell (48), wheel shaft (50), clutch handle (51), sprocket wheel (52), seeding wheel (53), fertilising wheel (54), seed-box (55) and chemical fertilizer case (56); Wheel shaft (49) is supported by bearing shell (48), bearing shell (48) is fixed on the end, rear end of vehicle frame, bearing shell (48) is provided with bracing frame (56), seed-box (54) and chemical fertilizer case (55) are fixed on the bracing frame (56), and seed-box (54) and chemical fertilizer case (55) are structure as a whole, seeding wheel (52) and fertilising wheel (53) are separately positioned on plants in case (54) and chemical fertilizer case (55), and be installed in respectively on the wheel shaft (49), be respectively equipped with a plurality of seed troughs (57) and chemical fertilizer groove (58) on seeding wheel (52) and the fertilising wheel (53), one side of wheel shaft (49) is extended outside seed-box (54) and the chemical fertilizer case (55), sprocket wheel (51) is sleeved on the bearing, and be installed in the end of wheel shaft (49) elongated end, the wheel shaft (49) in sprocket wheel (51) outside is gone up the back of the body nut (59), clutch, handle (50) is installed on the wheel shaft (49) of bearing inboard, and is threaded with wheel shaft (49), and sprocket wheel (51) can connect with power output sprocket (40) mutually by chain.

D, running wheel (3) are positioned at the back lower place of vehicle frame, running wheel (3) is installed on the wheel carrier (42), wheel carrier (42) is fixedlyed connected with the lower end of perpendicular stay pipe (43), be drilled with a plurality of adjustment hole (44) on the perpendicular stay pipe (43), the rear end of vehicle frame (42) is fixed with a perpendicular sleeve pipe (45) for perpendicular stay pipe (43) insertion, perpendicular stay pipe (43) can fasten in perpendicular sleeve pipe (45), and can do upper and lower adjustment;

2, small engine plough according to claim 1, it is characterized in that described directive wheel bracing frame is a square tube (18), the lower end of square tube (18) is stretched the wheel carrier (19) that wheel shaft is arranged with one or two epitaxial lateral overgrowth and is fixedlyed connected, be equiped with metal oblique angle wheel (20) on (19) two outward extending wheel shafts of wheel carrier respectively, be drilled with a plurality of adjustment hole (9) on the square tube (18).

3, small engine plough according to claim 1, it is characterized in that described directive wheel bracing frame comprises two perpendicular stay pipes (82), two horizontal stay pipes (83) and two locating sleeves (84), fixedly connected with two wheel carriers (86) respectively in the lower end of two perpendicular stay pipes (82), be equiped with a directive wheel (85) on two wheel carriers (86) respectively, be drilled with a plurality of adjustment hole (87) on two perpendicular stay pipes (82) respectively, two locating sleeves (84) are fixed with two metal intermediate plates (88) respectively, the middle part of two horizontal stay pipes (83) is installed with a horizontal case (90) respectively, two horizontal stay pipes (84) be arranged in parallel, and its two ends are inserted on two locating sleeves (84) two respectively and are gone up in the metal intermediate plates (88), and located by two bolts respectively, the horizontal case (90) of two horizontal stay pipes (83) middle part can be fixed in respectively on two of vehicle frame front end, following short tube (11), (12) on.

4, small engine plough according to claim 1 is characterized in that described air cooling equipment, comprises fixedly axle cap (64), fan blade (65), fan blade external (66); Fixedly a side of axle cap (64) is provided with tapped axis hole (67), its opposite side has external screw thread (68), fixedly the internal thread axis hole (67) of axle cap is threaded with the bent axle (69) of engine (4), fan blade (65) is sleeved on the fixedly opposite side of axle cap (64), and tight with nut (70) back of the body, fan blade outer cover (66) is fixed on the vehicle frame.

5, small engine plough according to claim 1, various tool such as the lower end that it is characterized in that described ploughshare pole (17) also can be installed and draw hoe, be ploughed, level land.

6, small engine plough according to claim 1, it is characterized in that being equiped with a bearing (61) on the wheel shaft (41) of described running wheel (3), one adjusting lever (62) is set between bearing (61) and the vehicle frame rear portion, one end of adjusting lever (62) is fixed an arc jacking block (63), arc jacking block (63) roof pressure is on bearing (61), the other end of adjusting lever (62) is hinged on the vehicle frame, and the length of adjusting lever (62) is adjustable.