CN218805191U - Power assembly and four-wheel riding type miniature tillage equipment - Google Patents

Abstract

The utility model relates to an agricultural machinery technical field specifically discloses a power assembly to satisfy the power demand that the four-wheel took advantage of the miniature farming equipment of sitting posture, possess light in weight simultaneously, maintain advantages such as convenient, power assembly is applied to the four-wheel and takes advantage of miniature farming equipment of sitting posture, power spare adopts single cylinder air-cooled power spare, when the walking the power spare provides power for running gear, when the farming the power spare provides power for the farming machines and two rear wheels that have replaced by the farming machines of having replaced two front wheels respectively, or when the farming the power spare takes advantage of rear implement and the running gear that the miniature farming equipment of sitting posture drags and hangs for the four-wheel and provides power. The utility model also provides a miniature farming equipment of four-wheel riding formula based on above-mentioned power assembly.

Description

Power assembly and four-wheel riding type miniature tillage equipment

Technical Field

The utility model relates to the technical field of agricultural machinery, concretely relates to power assembly and four-wheel take-up type miniature farming equipment.

Background

The farming equipment refers to agricultural machinery for processing and finishing soil of a farming layer. The soil cultivation equipment can be divided into two categories, namely basic cultivation equipment and surface soil cultivation machinery (also called auxiliary cultivation machinery) according to different cultivation modes. The basic farming equipment is used for soil plowing or deep scarification and mainly comprises a furrow plough, a disc plough, a chisel type scarifier, a rotary cultivator and the like.

The miniature tillage equipment is widely suitable for tillage in dry land, paddy field, orchard, vegetable field, tobacco field and the like in plain, mountainous and hilly areas, and can perform operations of pumping water, generating electricity, spraying, harvesting, ridging, spreading films, punching, crushing grass, harvesting rootstocks, covering soil, hilling, ditching, applying base fertilizer and the like by being matched with corresponding machines. The device has stable and reliable work, long service life and convenient maintenance.

The miniature tillage equipment in the prior art usually adopts a design of hand-held double-walking wheels, the double-walking wheels are driven by power to walk during walking, the double-walking wheels are detached to replace upper tillage implements during tillage, and the tillage implements are driven by power to tillage. Such a micro farming equipment has problems in that: hand-held farming has the disadvantages of high labor intensity of personnel, hard steering, poor comfort, low farming efficiency and the like. Agricultural tractor is bulky, weight is heavy, is not applicable to the transportation and the operation in mountain area, hills usually, and the purchase cost is too high, and economic nature is poor, has certain limitation.

For this reason, the applicant developed a novel four-wheel riding type mini tiller, however, the power used in the existing tractor and mini tiller could not meet the power requirement of the above described novel four-wheel riding type mini tiller.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the present invention is to provide a power assembly to satisfy the power demand of four-wheel riding type micro farming equipment, and has the advantages of light weight, convenient maintenance, etc.

A power assembly comprises a power part, wherein the power assembly is applied to four-wheel riding type micro tillage equipment, and a single-cylinder air cooling power part is adopted by the power part.

Description of the drawings: the four-wheel riding type minitype cultivation equipment of the utility model has the weight of 150-300Kg, the length of 1.2-2 m and the width of 0.5-0.9 m. The four-wheel riding type minitype cultivation equipment adopts riding type, a front wheel shaft and/or a rear wheel shaft can be detachably provided with cultivation tools or travelling wheels, during cultivation, cultivation operation can be carried out by mounting the front wheel shaft and/or the rear wheel shaft with the cultivation tools such as rotary tillage blades or weeding wheels, and during further operation, the front wheel shaft is preferably provided with the cultivation tools, and the rear wheel shaft is provided with the travelling wheels; during walking, the front wheel shaft and the rear wheel shaft are provided with four walking wheels. In addition, the four-wheel riding type micro tillage equipment can also be used for towing a rear-mounted machine tool, wherein the rear-mounted machine tool can also be a rotary tillage cutter or a weeding wheel, and after other rear-mounted machine tools are towed, the tillage operation such as but not limited to ditching, seeding, pesticide spraying, ridging, soil covering, harvesting and the like can be carried out.

The four-wheel riding type miniature tillage equipment can greatly improve the tillage efficiency, reduce the labor intensity of personnel, increase the comfort of operation, stably and flexibly steer in a labor-saving way, has wider applicability, and has the characteristics of low price, small volume, light weight, wide terrain adaptation and the like.

The beneficial effects of the utility model reside in that: the power assembly is applied to the four-wheel riding type micro farming equipment, adopts a single-cylinder air-cooled power part as the power part, and has the advantages of light weight, small volume, convenient maintenance and the like.

The utility model discloses preferred embodiment lies in: the power part provides power for the traveling mechanism during traveling, and the power part provides power for a tillage implement with two front wheels replaced and two rear wheels not replaced by the tillage implement during tillage respectively, or provides power for a rear implement and the traveling mechanism which are dragged by the four-wheel riding type micro tillage equipment during tillage.

Description of the drawings: the tiller includes, but is not limited to, a rotary blade or a weed wheel.

Has the advantages that: the power part provides power for running gear when walking, the power part provides power for the farming machines that have replaced two front wheels and two rear wheels that have not been replaced by the farming machines respectively when the farming to satisfy the power demand that the miniature farming equipment of sitting formula was taken advantage of to the four-wheel, provide power for rearmounted machines through the power part, make the miniature farming equipment of sitting formula is taken advantage of to the four-wheel can be used to draw the rearmounted machines of hanging multiple rotatory operation, and the function is various, and the practicality is stronger.

The utility model discloses preferred embodiment lies in: the power of the single-cylinder air cooling power part is 4KW-9.2KW.

Has the advantages that: when power of power part is less than 4KW, can't drive walking wheel and/or tillage machines, power part weight is relevant with power, if power of power part is greater than 9.2KW, then can be because of too heavy, and can't be applicable to this four-wheel takes advantage of miniature farming equipment, what this four-wheel takes advantage of miniature farming equipment pursues is that to plough machine than hand-held type a little more comfortable, it is more nimble stable to turn to, and farming efficiency is higher, and it possesses the price low again to compare in large tractor, light in weight, small, be applicable to the operation of multiple topography such as mountain land, hillside, hills more.

The utility model discloses preferred embodiment lies in: the four-wheel riding type micro tillage equipment is characterized by further comprising a mounting assembly, wherein the mounting assembly comprises a power mounting plate and a reinforcing plate, the upper portion of the reinforcing plate is fixed with the power mounting plate, one side face of the reinforcing plate is connected with the front gearbox, and the other side face of the reinforcing plate is used for mounting accessories of the four-wheel riding type micro tillage equipment.

Has the advantages that: the reinforcing plate has the effects of not only mounting the power mounting plate and the front gearbox together, leading the whole structure to be more compact and playing a role of stabilizing and reinforcing the power mounting plate, but also being used for mounting accessories of the four-wheel riding type micro-farming equipment, such as a supporting component of the four-wheel riding type micro-farming equipment, wherein the supporting component is used for playing a supporting role when the walking wheels and the farming implements are replaced, and accessories such as a front safety rod and the like can also be mounted.

A four-wheel riding type micro farming device comprises the power assembly, a front gearbox and a rear gearbox, wherein the front gearbox and the rear gearbox can be switched into a four-wheel drive walking mode, a two-wheel drive walking mode or a plurality of four-wheel drive farming modes in a matching mode.

Has the advantages that: through setting up preceding gearbox, back gearbox, and preceding gearbox, back gearbox can cooperate and switch over to four-wheel drive walking mode, multiple four-wheel drive farming mode or two-wheel drive walking mode, the various scenes of reply that can be more relaxed. When the farming state is front wheel farming and rear wheel walking (a four-wheel drive farming mode), the gear positions of a front gear box and a rear gear box are switched to respectively control the rotating speeds of the front wheel and the rear wheel, the front gear box controls the rotating speed of the front wheel farming machine, and the rear gear box controls the walking of the rear wheel walking wheels, so that a better farming effect is realized; when the walking vehicle is in a walking state, the front wheels and the rear wheels are replaced by walking wheels, and the walking vehicle can walk in a four-wheel-drive walking mode (the front gearbox and the rear gearbox both output power) or a two-wheel-drive walking mode (the front gearbox outputs power and the rear gearbox does not output power) by switching the gears of the front gearbox and the rear gearbox; when going uphill or pulling goods, the driving performance of the farming equipment can be effectively improved by switching to the four-wheel-drive walking mode, tire slipping can be avoided, and the two-wheel-drive walking mode can be switched to when the power requirement is low, such as on a flat ground without pulling goods, so that the energy consumption can be further saved.

The utility model discloses the preferred embodiment of miniature farming equipment of four-wheel formula of riding lies in: the front control assembly can control the front gearbox to be switched to a reverse gear, a neutral gear and at least two front advancing gears, the rear control assembly can control the rear gearbox to be switched to the neutral gear and at least two rear advancing gears, the front advancing gears and the rear advancing gears can be switched to a four-wheel drive walking mode and a plurality of four-wheel drive farming modes in a matched mode, and the front advancing gears and the neutral gears of the rear gearbox are matched to a multi-gear two-wheel drive walking mode.

Has the beneficial effects that: the four-wheel riding type miniature farming equipment is provided with the front control assembly and the rear control assembly respectively, and is more beneficial to controlling the front gearbox and the rear gearbox by an operator respectively, the front gearbox can be controlled to be switched to a reverse gear, a neutral gear and at least two front forward gears by the front control assembly, and the rear gearbox can be controlled to be switched to the neutral gear and the at least two rear forward gears by the rear control assembly, so that the four-wheel driving walking mode, the two-wheel driving walking mode or multiple four-wheel driving farming modes can be switched, and the four-wheel riding type miniature farming equipment can be applied to various occasions such as farming, goods pulling, uphill, flat land and the like.

The preferable implementation mode of the four-wheel riding type minitype farming equipment of the utility model lies in: the rear gearbox comprises a rear shell, a rear transmission assembly and a rear control assembly, wherein the rear transmission assembly comprises a rear power input shaft, a rear intermediate shaft and a reduction gear set which are arranged in the rear shell, the rear power input shaft is connected with a dual gear in a sliding manner, and the dual gear comprises a rear input shaft first gear and a rear input shaft second gear; a rear intermediate shaft reduction gear, a rear intermediate shaft first gear and a rear intermediate shaft second gear are arranged on the rear intermediate shaft; when the dual gears slide, the dual gears can be switched to be meshed with a rear input shaft first gear and a rear intermediate shaft first gear, or meshed with a rear input shaft second gear and a rear intermediate shaft second gear, or not meshed; the rear intermediate shaft reduction gear is in transmission connection with a reduction gear set, and the reduction gear set outputs to a rear wheel axle of the farming equipment; the rear control assembly is used for controlling the dual gear to slide and shift gears.

Has the advantages that: according to the scheme, the rear gearbox is provided with two rear forward gears (specifically a low-speed farming gear and a high-speed walking gear), when the dual gears are controlled by the rear control assembly to be switched to be meshed with the rear input shaft first gear and the rear intermediate shaft first gear, the dual gears are low-speed farming gears, the rear gearbox is matched with the front gearbox, the power of the rear gearbox is used for driving walking wheels to walk, the power of the front gearbox is used for driving farming machines to cultivate, and the rear gearbox and the front gearbox are matched together to realize better farming; when the rear control assembly controls the dual gears to be switched to be meshed with the rear input shaft secondary gear and the rear intermediate shaft secondary gear in a sliding mode, the dual gears are high-speed walking gears, power of the rear gearbox and power of the front gearbox are used for driving walking wheels to walk at the moment, the dual gears are of four-wheel drive structures and can be used for towing goods or climbing slopes; when the dual gear is controlled to be switched to a non-meshing state of the dual gear and a gear on the rear intermediate shaft when sliding through the rear control assembly, the rear gearbox is in a neutral state, the power of the front gearbox is used for driving the traveling wheels to travel, and the rear gearbox is of a two-wheel driving structure and can be used in the scene of not pulling goods and traveling on flat ground. The rear gearbox structure adopting the scheme can be applied to various occasions such as farming, cargo pulling, uphill, flat land and the like, and the power output is richer and more flexible.

The utility model discloses preferred embodiment lies in: the front transmission assembly comprises a front power input shaft, a front middle shaft, a reverse gear shaft and a front power output shaft which are arranged in the front shell, and the front power input shaft is provided with an input shaft constant mesh gear; the front intermediate shaft is provided with a triple gear and a front intermediate shaft normally-meshed gear meshed with the input shaft normally-meshed gear, the triple gear is connected with the front intermediate shaft in a sliding manner, and the triple gear comprises a front intermediate shaft first-gear, a front intermediate shaft second-gear and a front intermediate shaft third-gear; a front output shaft first gear, a front output shaft second gear and a front output shaft third gear are arranged on the front power output shaft; the reverse gear shaft is provided with a reverse gear and a reverse gear idle wheel, and the reverse gear idle wheel is meshed with a first gear of the front output shaft; when the triple gear slides, the first gear of the front intermediate shaft is engaged with the first gear of the front output shaft in a switchable manner, or the second gear of the front intermediate shaft is engaged with the second gear of the front output shaft, or the front intermediate shaft three-gear is meshed with the front output shaft three-gear, or the front intermediate shaft three-gear is meshed with the reverse gear, or both the front intermediate shaft three-gear and the reverse gear are not meshed; the front control assembly is used for controlling the triple gear to slide and shift gears.

Has the advantages that: according to the scheme, the front gearbox is provided with three front advancing gears, when the cultivator is used for cultivating or walking, the power output of the front gearbox drives cultivating machines or walking wheels, and the triple gear can be controlled to slide to a first gear of the front intermediate shaft and be meshed with a first gear of the front output shaft (corresponding to one gear) or a second gear of the front intermediate shaft and a second gear of the front output shaft (corresponding to two gears) or a third gear of the front intermediate shaft and be meshed with a third gear of the front output shaft (corresponding to three gears) according to the cultivation or walking requirements. The multi-gear arrangement is adopted, for example, during cultivation, the power of the front gearbox is output to a cultivation machine, and the first gear, the second gear and the third gear can be respectively used for cultivating hard soil, harder soil and soft soil; when the walking tractor walks, the first gear, the second gear and the third gear are respectively used for controlling the walking speed, so that the walking tractor is suitable for various scenes and meets various farming and walking requirements.

The preferable implementation mode of the four-wheel riding type minitype farming equipment of the utility model lies in: the device is characterized by further comprising a detachable rear transmission box, wherein a forward transmission assembly, a reverse transmission assembly and an output assembly which can be switched to forward rotation, reverse rotation and neutral gear are arranged in the rear transmission box, and a rear output shaft of the output assembly is detachably connected with a rear machine tool.

Has the advantages that: through the transmission cooperation of output assembly, forward drive subassembly and reverse drive subassembly, when installing the rotatory operation machines and tools of pulling in the rearmounted output shaft of output assembly, can realize corotation, reversal and idle running.

The preferable implementation mode of the four-wheel riding type minitype farming equipment of the utility model lies in: still replace and keep off the subassembly after including, the back is replaced and is kept off the subassembly and is included the pull rod, wobbling back replacement pin and with the slidable shift fork of shifting that back replacement pin is connected, the steerable rearmounted transmission case of shift fork switches to corotation, reversal or neutral gear.

Has the advantages that: through setting up rearmounted subassembly of shifting to realize the corotation of rearmounted machines, reversal or neutral gear's the operation of shifting.

Drawings

FIG. 1 is a schematic view of the mounting structure of the power assembly of the four-wheel riding type micro-farming equipment of the present invention;

FIG. 2 is a schematic view of the rear gearbox of the four-wheel riding type micro farming equipment of the present invention;

FIG. 3 is a schematic view of the front gearbox of the four-wheel riding type micro tillage equipment of the present invention;

FIG. 4 is a schematic view of the rear transmission case of the four-wheel riding type micro farming equipment of the present invention;

fig. 5 is a schematic structural view of a rear shift block assembly of the four-wheel riding type mini tiller of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that the preferred embodiments described below are only for illustrating the present invention and do not limit the scope of the present invention.

The terms "first," "second," and the like in the description, claims, and embodiments of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The invention is explained in more detail below by means of preferred embodiments:

reference numerals in the drawings of the specification include:

the front gearbox 1, the front shell 101, the front transmission assembly 102, the front power input shaft 1021, the input shaft normally meshed gear 10211, the front intermediate shaft 1022, the front intermediate shaft normally meshed gear 10221, the front intermediate shaft first gear 10222, the front intermediate shaft second gear 10223, the front intermediate shaft third gear 10224, the reverse gear 1023, the reverse gear 10231, the reverse gear idle wheel 10232, the front power output shaft 1024, the front output shaft first gear 10241, the front output shaft second gear 10242, the front output shaft third gear 10243 and the front shift lever 1031;

the rear transmission case 2, the rear housing 201, the rear transmission assembly 202, the rear power input shaft 2021, the rear input shaft first gear 20211, the rear input shaft second gear 20212, the rear intermediate shaft 2022, the rear intermediate shaft reduction gear 20221, the rear intermediate shaft first gear 20222, the rear intermediate shaft second gear 20223, the reduction gear set 2023, the rear shift lever 2031, the rear fork shaft 2032, the rear shift fork 2033, and the rear swing arm 2034;

the rotary blade comprises a cylinder body 401, a cylinder cover 402, an air filter 403, a silencer 404, an oil tank 405, a power mounting plate 406, a reinforcing plate 407, a rotary blade assembly 6, front road wheels 701, rear road wheels 702, a front wheel shaft 703 and a rear wheel shaft 704.

A shift fork 801, a rear fork shaft 802, a rear displacement stop lever 803, a connecting column 804, a pull rod 805 and a rear transmission case shell 806.

The transmission mechanism comprises a first transmission shaft 111, a first transmission wheel 112, a second transmission gear 113, a third transmission gear 114, a fourth transmission gear 115, a fifth transmission gear 116, a second transmission shaft 117, a rear output shaft 118, a sixth transmission gear 119 and a seventh transmission gear 120.

As shown in figure 1: the embodiment discloses four-wheel riding type micro tillage equipment which comprises a power assembly and a mounting assembly.

The power assembly includes a cylinder block 401, a cylinder head 402, a muffler 404 disposed at an upper portion of one side of the cylinder block 401, an oil tank 405 disposed at an upper portion of the other side of the cylinder block 401, and an air filter 403 disposed at an upper portion of the cylinder block 401. The muffler 404 and the oil tank 405 are respectively positioned at two sides of the cylinder body 401, so that the structure of the whole machine is more stable no matter the whole machine is walking or tilling. In other embodiments, the powertrain may be designed in other structural forms, and is not limited to the structural form set forth in this embodiment.

In this embodiment, the power assembly is applied to the four-wheel riding type micro farming equipment, and the power assembly comprises a power part, wherein the power part adopts a single-cylinder air-cooled power part, specifically, the power part is a single-cylinder air-cooled diesel engine, and in other embodiments, the power part can also be a single-cylinder air-cooled gasoline engine. The power of the single-cylinder air-cooled power part is 4KW-9.2KW.

In this embodiment, the power assembly is mounted above the front wheel axle 703 through the mounting component, and provides an acting force for the tillage implement during tillage through the self weight of the power assembly, so that the tillage implement, such as the rotary blade assembly 6, can meet the tillage depth requirement during tillage.

The mounting assembly comprises a power mounting plate 406 and a reinforcing plate 407, the upper part of the reinforcing plate 407 is fixed with the power mounting plate 406, one side surface of the reinforcing plate 407 is connected with the front gearbox, the other side surface of the reinforcing plate 407 is used for mounting accessories of the four-wheel riding type micro tillage equipment, the accessories can be supporting assemblies for supporting the four-wheel riding type tillage equipment to change tillage implements, and of course, the reinforcing plate 407 can also be used for mounting other accessories such as a cylinder 401 protective cover or a front bumper according to specific equipment requirements.

In this embodiment, the power unit provides power to the traveling mechanism when the power assembly travels, and the power unit provides power to a tillage implement having two front wheels replaced and two rear wheels not replaced by the tillage implement when tilling, or provides power to a rear implement and the traveling mechanism that are towed by the four-wheel riding micro tillage equipment when tilling.

During cultivation, the tillage implement is replaced by the two front traveling wheels 701, namely the tillage implement is arranged on the front wheel shaft 703 instead of the two front traveling wheels 701, so that the tillage implement is driven to cultivate through the front wheel shaft 703, and the rear wheel shaft 704 is still connected with the two rear traveling wheels 702 so as to drive the two rear traveling wheels 702 to travel.

Or, during cultivation, four-wheel walking is still adopted, and a rear-mounted machine tool is hung behind the four-wheel riding type miniature cultivation equipment and is driven by a power assembly.

In this embodiment, the tillage implement may be a rotary blade assembly or a weed removal wheel, and the rear implement refers to a rotary working implement, including but not limited to a rotary blade assembly or a weed removal wheel.

The embodiment also discloses four-wheel riding type micro farming equipment which comprises the power assembly, a front gearbox and a rear gearbox, wherein the front gearbox and the rear gearbox can be matched and switched into a four-wheel drive walking mode, a two-wheel drive walking mode or a plurality of four-wheel drive farming modes.

In this embodiment, the front steering assembly and the rear steering assembly are further included, the front steering assembly can control the front gearbox to be switched to a reverse gear, a neutral gear and at least two front forward gears, the rear steering assembly can control the rear gearbox to be switched to the neutral gear and at least two rear forward gears, the front forward gears and the rear forward gears can be switched to a four-wheel drive walking mode and a plurality of four-wheel drive farming modes in a matched mode, and the front forward gears and the neutral gear of the rear gearbox are matched to a multi-gear two-wheel drive walking mode.

As shown in fig. 3: the front gearbox 1 comprises a reverse gear, a neutral gear and at least two forward gears. In the present embodiment, the front transmission case 1 includes three forward gears, the front transmission case 1 includes a front housing 101, a front transmission assembly 102 and a front operating assembly, the front transmission assembly 102 includes a front power input shaft 1021 installed in the front housing 101, a front intermediate shaft 1022, a reverse gear shaft 1023 and a front power output shaft 1024, and the front power input shaft 1021 is provided with an input shaft constant mesh gear 10211; the front intermediate shaft 1022 is provided with a triple gear and a front intermediate shaft constant meshing gear 10221 meshed with the input shaft constant meshing gear 10211, the triple gear is connected with the front intermediate shaft 1022 in a sliding manner, and the triple gear comprises a front intermediate shaft first gear 10222, a front intermediate shaft second gear 10223 and a front intermediate shaft third gear 10224; a front output shaft first gear 10241, a front output shaft second gear 10242 and a front output shaft third gear 10243 are arranged on the front power output shaft 1024; the reverse gear shaft 1023 is provided with a reverse gear 10231 and a reverse gear idle wheel 10232, and the reverse gear idle wheel 10232 is meshed with the front output shaft first gear wheel 10241; the front control assembly comprises a front gear shift lever 1031, a front swing arm and a front shifting fork arranged on the front swing arm, wherein the front gear shift lever 1031 is used for driving the front swing arm to swing, and the front shifting fork is clamped in a shifting fork groove of the triple gear; through operation preceding gear shift lever 1031, the swing of drive front swing arm is in order to drive the swing of preceding shift fork, and when the preceding shift fork promoted the trigeminy gear and slides, changeable messenger's preceding jackshaft first gear 10222 and preceding output shaft first gear 10241 meshing, or preceding jackshaft second gear 10223 and preceding output shaft second gear 10242 meshing, or preceding jackshaft third gear 10224 and preceding output shaft third gear 10243 meshing, or preceding jackshaft third gear 10224 and reverse gear 10231 meshing, or trigeminy gear and the gear on the preceding power output shaft 1024, reverse gear 10231 all do not mesh.

In some other embodiments, the front transmission 1 may also use other numbers of forward gears, such as two forward gears and four forward gears, and the setting manner of the other numbers of forward gears adopts the existing gear setting manner, which is not described herein again.

As shown in fig. 2, the rear transmission case 2 includes a neutral gear and at least two rear forward gears, in this embodiment, two rear forward gears (a low-speed farming gear and a high-speed walking gear) are provided, the rear transmission case 2 includes a rear housing 201, a rear transmission assembly 202 and a rear control assembly, the rear transmission assembly 202 includes a rear power input shaft 2021, a rear intermediate shaft 2022 and a reduction gear set 2023 which are installed in the rear housing 201, and a coupling gear is slidably connected to the rear power input shaft 2021 and includes a rear input shaft one-gear 20211 and a rear input shaft two-gear 20212; the rear intermediate shaft 2022 is provided with a rear intermediate shaft reduction gear 20221, a rear intermediate shaft first gear 20222 and a rear intermediate shaft second gear 20223; the rear control assembly comprises a rear gear shift lever 2031, a rear swing arm 2034, a rear fork 2032 and a rear fork 2033 slidably mounted on the rear fork 2032, the rear gear shift lever 2031 is used for driving the rear swing arm 2034 to swing, the rear fork 2033 is shifted by the rear swing arm 2034 to slide on the rear fork 2032, and the rear fork 2033 is clamped in a fork groove of a dual gear. By operating the rear gear shift lever 2031, the rear swing arm 2034 is driven to swing, the rear swing arm 2034 shifts the rear shifting fork 2033 to move, and the rear shifting fork 2033 pushes the dual gear to slide and can be switched to the engagement of the rear input shaft first gear 20211 and the rear intermediate shaft first gear 20222, or the rear input shaft second gear 20212 and the rear intermediate shaft second gear 20223, or the dual gear is not engaged with the gear on the rear intermediate shaft 2022; the rear intermediate shaft reduction gear 20221 is in transmission connection with the reduction gear set 2023, and the reduction gear set 2023 outputs to a rear wheel axle of the farming equipment.

In some other embodiments, the rear transmission 2 may also use other numbers of rear forward gears, for example, three rear forward gears, and the setting manner of the other numbers of rear forward gears adopts the existing gear setting manner, which is not described herein again.

The front gearbox 1 and the rear gearbox 2 can be switched to a three-gear four-wheel drive walking mode or a three four-wheel drive farming mode in a matching mode, and the front forward gear and the neutral gear of the rear gearbox 2 are matched to be a three-gear two-wheel drive walking mode. The method comprises the following specific steps:

(1) a three-gear four-wheel drive walking mode: in the front gearbox 1, by operating a front gear shift lever 1031, a front swing arm is driven to swing so as to drive a front shifting fork to move, the front shifting fork pushes a triple gear to slide so that a front intermediate shaft first gear 10222 is meshed with a front output shaft first gear 10241, a front intermediate shaft second gear 10223 is meshed with a front output shaft second gear 10242, or a front intermediate shaft third gear 10224 is meshed with a front output shaft third gear 10243 (corresponding to a first gear, second gear and third gear four-wheel driving walking mode respectively), power is input through a front power input shaft 1021 of the front gearbox 1, is transmitted to a front intermediate shaft normally meshed gear 10221 through a normally meshed gear 10211 of an input shaft, is transmitted to the front output shaft first gear 10241 through the front intermediate shaft first gear 10222, or is transmitted to the front output shaft second gear 10242 through the front intermediate shaft second gear 10223, or is transmitted to a front intermediate shaft third gear 10243 of the front output shaft, and the front power output shaft outputs the power to a walking wheel; in the rear transmission 2, the rear shift lever 2031 is operated to drive the rear swing arm 2034 to swing, the rear swing arm 2034 shifts the rear shift fork 2033 to move, the rear shift fork 2033 pushes the dual gear to slide so that the rear input shaft two-gear 20212 is engaged with the rear intermediate shaft two-gear 20223 (corresponding to a high-speed travel gear), the power of the front power output shaft 1024 is transmitted to the rear power input shaft 2021 through the transmission shaft 3, transmitted to the rear intermediate shaft two-gear 20223 through the rear input shaft two-gear 20212, drives the rear intermediate shaft reduction gear 20221 through the rear intermediate shaft 2022, and then outputs the power to the travel wheels through the reduction gear set 2023.

(2) Four-wheel-drive farming mode 1: in the front gearbox 1, by operating a front shift lever 1031, a front swing arm is driven to swing so as to drive a front shifting fork to move, the front shifting fork pushes a triple gear to slide so that a front intermediate shaft first gear 10222 is meshed with a front output shaft first gear 10241, power is input through a front power input shaft 1021 of the front gearbox 1, is transmitted to the front intermediate shaft first gear 10221 through an input shaft normally meshed gear 10211, is transmitted to the front output shaft first gear 10241 through the front intermediate shaft first gear 10222, and is output to a tillage machine through a front power output shaft 1024; in the rear transmission 2, the rear shift lever 2031 is operated to drive the rear swing arm 2034 to swing, the rear swing arm 2034 shifts the rear shift fork 2033 to move, the rear shift fork 2033 pushes the dual gear to slide so that the rear input shaft first gear 20211 is engaged with the rear intermediate shaft first gear 20222 (corresponding to a low-speed farming gear), the power of the front power output shaft 1024 is also transmitted to the rear power input shaft 2021 through the transmission shaft 3, is transmitted to the rear intermediate shaft first gear 20222 through the rear input shaft first gear 20211, drives the rear intermediate shaft reduction gear 20221 through the rear intermediate shaft 2022, and outputs the power to the traveling wheels through the reduction gear set 2023.

(3) Four-wheel drive farming mode 2: in the front gearbox 1, by operating a front gear shifting lever 1031, a front swing arm is driven to swing so as to drive a front shifting fork to move, the front shifting fork pushes a triple gear to slide so that a front intermediate shaft two-gear 10223 is meshed with a front output shaft two-gear 10242, power is input through a front power input shaft 1021 of the front gearbox 1, is transmitted to a front intermediate shaft normally meshed gear 10221 through an input shaft normally meshed gear 10211, is transmitted to a front output shaft two-gear 10242 through a front intermediate shaft two-gear 10223, and is output to a tillage implement through a front power output shaft 1024; in the rear transmission 2, the rear shift lever 2031 is operated to drive the rear swing arm 2034 to swing, the rear swing arm 2034 shifts the rear shift fork 2033 to move, the rear shift fork 2033 pushes the dual gear to slide so that the rear input shaft first gear 20211 is engaged with the rear intermediate shaft first gear 20222 (corresponding to a low-speed farming gear), the power of the front power output shaft 1024 is also transmitted to the rear power input shaft 2021 through the transmission shaft 3, is transmitted to the rear intermediate shaft first gear 20222 through the rear input shaft first gear 20211, drives the rear intermediate shaft reduction gear 20221 through the rear intermediate shaft 2022, and outputs the power to the traveling wheels through the reduction gear set 2023.

(4) Four-wheel drive farming mode 3: in the front gearbox 1, by operating a front gear shifting lever 1031, a front swing arm is driven to swing so as to drive a front shifting fork to move, the front shifting fork pushes a triple gear to slide so that a front intermediate shaft three-gear 10224 is meshed with a front output shaft three-gear 10243, power is input through a front power input shaft 1021 of the front gearbox 1, is transmitted to a front intermediate shaft three-gear 10221 through an input shaft normally meshed gear 10211, is transmitted to the front output shaft three-gear 10243 through the front intermediate shaft three-gear 10224, and is output to a tillage implement through a front power output shaft 1024; in the rear gearbox 2, the rear gear shift lever 2031 is operated to drive the rear swing arm 2034 to swing, the rear swing arm 2034 shifts the rear shifting fork 2033 to move, the rear shifting fork 2033 pushes the dual gear to slide so that the rear input shaft first gear 20211 is meshed with the rear intermediate shaft first gear 20222 (corresponding to a low-speed farming gear), the power of the front power output shaft 1024 is also transmitted to the rear power input shaft 2021 through the transmission shaft 3, is transmitted to the rear intermediate shaft first gear 20222 through the rear input shaft first gear 20211, drives the rear intermediate shaft reduction gear 20221 through the rear intermediate shaft 2022, and outputs the power to the travelling wheels through the reduction gear set 2023.

(5) A three-gear two-drive walking mode: in the front gearbox 1, by operating the front shift lever 1031, the front swing arm is driven to swing so as to drive the front shifting fork to move, the front shifting fork pushes the triple gear to slide so that the front intermediate shaft first gear 10222 is meshed with the front output shaft first gear 10241, the front intermediate shaft second gear 10223 is meshed with the front output shaft second gear 10242, the front intermediate shaft third gear 10224 is meshed with the front output shaft third gear 10243 (corresponding to first gear, second gear or third gear walking respectively), power is input through the front power input shaft 1021 of the front gearbox 1, is transmitted to the front intermediate shaft normally meshed gear 10221 through the input shaft normally meshed gear 10211, is transmitted to the front output shaft first gear 10241 through the front intermediate shaft first gear 10222, or is transmitted to the front output shaft second gear 10242 through the front intermediate shaft second gear 10223, or is transmitted to the front output shaft third gear 10243 through the front intermediate shaft third gear 10224, and the front power output shaft 1024 outputs power to the travelling wheels; in the rear transmission 2, the rear shift lever 2031 is operated to drive the rear swing arm 2034 to swing, the rear swing arm 2034 shifts the rear shift fork 2033 to move, the rear shift fork 2033 pushes the dual gear to slide, so that the dual gear is not engaged with the gear on the rear intermediate shaft 2022 (neutral state), and the rear transmission 2 does not output power.

The device is characterized by further comprising a detachable rear transmission box, wherein a forward transmission assembly, a reverse transmission assembly and an output assembly which can be switched to forward rotation, reverse rotation and neutral gear are arranged in the rear transmission box, and a rear output shaft of the output assembly is detachably connected with a rear machine tool.

The shell on one side of the rear transmission case close to the rear transmission case can be detachably connected with the rear transmission case through bolts. The rear part of the four-wheel riding type micro tillage equipment is provided with the towing connecting assembly, the position of the towing connecting assembly on the rear transmission case can be provided with the rear transmission case connecting piece, and the rear transmission case connecting piece and the towing connecting assembly are detachably connected through a bolt, so that the rear transmission case can be installed and detached.

Specifically, as shown in fig. 4, the forward transmission assembly includes a first transmission shaft 111, a first transmission wheel 112, a second transmission wheel 113, and a third transmission wheel 114 are respectively disposed on the first transmission shaft 111, the second transmission wheel 113 and the third transmission wheel 114 are rear-mounted dual gears capable of sliding along the first transmission shaft, the first transmission wheel 112 is in transmission connection with the rear transmission box, in this embodiment, preferably, the first transmission wheel 112 employs a driven sprocket, a driving sprocket of the rear transmission box and a driven sprocket of the rear transmission box are in transmission through a chain, the reverse transmission assembly includes a second transmission shaft 117, a fourth transmission wheel 115 and a fifth transmission wheel 116 are respectively disposed on the second transmission shaft 117, the fourth transmission wheel 115 can be engaged with the second transmission wheel 113, the output assembly includes a rear-mounted output shaft 118, a sixth transmission wheel 119 and a seventh transmission wheel 120 are respectively disposed on the rear-mounted output shaft 118, the sixth transmission wheel 119 can be engaged with the third transmission wheel 114, and the seventh transmission wheel 120 is engaged with the fifth transmission wheel 116.

This embodiment still includes the back and replaces and keep off the subassembly, the back is replaced and is kept off the subassembly and include the pull rod, swingable back and replace the pin and with the slidable shift fork of shifting that the pin is connected is replaced to the back, but shift fork control post-positioned transmission case switches over to corotation, reversal or neutral gear.

Specifically, as shown in fig. 5: the rear gearshift assembly includes a gearshift lever 803 and a shift fork 801 connected to the gearshift lever 803, the end of the shift fork 801 being connected to the rear dual gear. As shown in fig. 4, specifically: one end of a shifting fork 801 of the rear shifting gear assembly is connected between the rear dual gears, the other end of the shifting fork 801 is in sliding fit with a shifting fork shaft 802, one end of the shifting fork 801 in sliding fit with the shifting fork shaft 802 is connected with one end of a shifting rod 803, the shifting rod 803 can drive the shifting fork 801 to slide along the shifting fork shaft 802, the other end of the shifting rod 803 is connected with a connecting column 804, the connecting column 804 penetrates through a shell of the rear transmission case, one end of the connecting column penetrating through a shell 806 of the rear transmission case is connected with a pull rod 805, and the pull rod 805 can be connected to a shifting operation position of the four-wheel mini farming equipment through pull wires.

While the preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, typical known structures and common general knowledge in the art of the preferred embodiments will not be described herein, and those skilled in the art can, in light of the teachings of the present embodiments, complement and implement the technical solutions of the present invention, and some typical known structures, known methods or common general knowledge in the art should not be considered as obstacles for those skilled in the art to implement the present invention.

The scope of protection claimed in the present application shall be subject to the content of the claims, and the content of the utility model, the detailed description, and the description accompanying drawings shall be used to explain the claims.

Within the scope of the technical idea of the present application, several modifications may be made to the embodiments of the present application, and these modified embodiments should also be considered to be within the scope of the present application.

Claims (10)

1. A power assembly, includes power spare, its characterized in that: the power assembly is applied to four-wheel riding type micro farming equipment, and the power part adopts a single-cylinder air cooling power part.

2. The powertrain of claim 1, wherein: the power part provides power for the traveling mechanism during traveling, and the power part provides power for a tillage implement with two front wheels replaced and two rear wheels not replaced by the tillage implement during tillage respectively, or provides power for a rear implement and the traveling mechanism which are dragged by the four-wheel riding type micro tillage equipment during tillage.

3. The powertrain according to claim 1 or 2, characterized in that: the power of the single-cylinder air cooling power part is 4KW-9.2KW.

4. The powertrain according to claim 1 or 2, characterized in that: the four-wheel riding type micro tillage equipment is characterized by further comprising a mounting assembly, wherein the mounting assembly comprises a power mounting plate and a reinforcing plate, the upper portion of the reinforcing plate is fixed with the power mounting plate, one side face of the reinforcing plate is connected with the front gearbox, and the other side face of the reinforcing plate is used for mounting accessories of the four-wheel riding type micro tillage equipment.

5. Four-wheel riding type miniature tillage equipment is characterized in that: the power assembly comprises the power assembly according to any one of claims 1 to 4, and further comprises a front gearbox and a rear gearbox, wherein the front gearbox and the rear gearbox can be cooperatively switched into a four-wheel drive walking mode, a two-wheel drive walking mode or a plurality of four-wheel drive farming modes.

6. A four-wheel riding micro farming implement according to claim 5, wherein: the front control assembly can control the front gearbox to be switched to a reverse gear, a neutral gear and at least two front advancing gears, the rear control assembly can control the rear gearbox to be switched to the neutral gear and at least two rear advancing gears, the front advancing gears and the rear advancing gears can be switched to a four-wheel drive walking mode and a plurality of four-wheel drive farming modes in a matched mode, and the front advancing gears and the neutral gears of the rear gearbox are matched to a multi-gear two-wheel drive walking mode.

7. A four-wheel riding micro farming apparatus according to claim 5 or 6, wherein: the rear gearbox comprises a rear shell, a rear transmission assembly and a rear control assembly, wherein the rear transmission assembly comprises a rear power input shaft, a rear intermediate shaft and a reduction gear set which are arranged in the rear shell, the rear power input shaft is connected with a dual gear in a sliding manner, and the dual gear comprises a rear input shaft first gear and a rear input shaft second gear; a rear intermediate shaft reduction gear, a rear intermediate shaft first gear and a rear intermediate shaft second gear are arranged on the rear intermediate shaft; when the dual gears slide, the dual gears can be switched to be meshed with a rear input shaft first gear and a rear intermediate shaft first gear, or meshed with a rear input shaft second gear and a rear intermediate shaft second gear, or not meshed; the rear intermediate shaft reduction gear is in transmission connection with a reduction gear set, and the reduction gear set outputs to a rear wheel axle of the farming equipment; the rear control assembly is used for controlling the dual gear to slide and shift gears.

8. A four-wheel riding micro farming implement according to claim 7, wherein: the front gearbox comprises a front shell, a front transmission assembly and a front control assembly, wherein the front transmission assembly comprises a front power input shaft, a front intermediate shaft, a reverse gear shaft and a front power output shaft which are arranged in the front shell, and an input shaft constant mesh gear is arranged on the front power input shaft;

the front intermediate shaft is provided with a triple gear and a front intermediate shaft normally meshed gear meshed with the input shaft normally meshed gear, the triple gear is connected with the front intermediate shaft in a sliding manner, and the triple gear comprises a front intermediate shaft first-gear, a front intermediate shaft second-gear and a front intermediate shaft third-gear; a front output shaft first-gear, a front output shaft second-gear and a front output shaft third-gear are arranged on the front power output shaft; the reverse gear shaft is provided with a reverse gear and a reverse gear idle wheel, and the reverse gear idle wheel is meshed with a first gear of the front output shaft; when the triple gear slides, the first gear of the front intermediate shaft is engaged with the first gear of the front output shaft in a switchable manner, or the second gear of the front intermediate shaft is engaged with the second gear of the front output shaft, or the front intermediate shaft three-gear is meshed with the front output shaft three-gear, or the front intermediate shaft three-gear is meshed with the reverse gear, or both the front intermediate shaft three-gear and the reverse gear are not meshed; the front control assembly is used for controlling the triple gear to slide and shift gears.

9. A four-wheel riding micro farming implement according to claim 5, wherein: the device is characterized by further comprising a detachable rear transmission box, wherein a forward transmission assembly, a reverse transmission assembly and an output assembly which can be switched to forward rotation, reverse rotation and neutral gear are arranged in the rear transmission box, and a rear output shaft of the output assembly is detachably connected with a rear machine tool.

10. A four-wheel ride type micro-farming apparatus according to claim 9, wherein: still including the back and replace fender subassembly, the back is replaced and is kept off the subassembly and include the pull rod, swingable back and is replaced the pin and with the slidable shift fork of shifting that the pin is connected is replaced to the back, but shift fork control rear transmission case switches over to corotation, reversal or neutral gear.

Images