CN202535719U - Hydraulic driving system of full-hydraulic four-wheel-driven seedling planting machine - Google Patents

Hydraulic driving system of full-hydraulic four-wheel-driven seedling planting machine Download PDF

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Publication number
CN202535719U
CN202535719U CN2011205598352U CN201120559835U CN202535719U CN 202535719 U CN202535719 U CN 202535719U CN 2011205598352 U CN2011205598352 U CN 2011205598352U CN 201120559835 U CN201120559835 U CN 201120559835U CN 202535719 U CN202535719 U CN 202535719U
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oil
gear pump
hydraulic
pipe
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CN2011205598352U
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Chinese (zh)
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覃志明
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覃志明
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Abstract

The utility model relates to a hydraulic driving system of a full-hydraulic four-wheel-driven seedling planting machine. The hydraulic driving system consists of an engine (1), a gear pump gearbox (2), a gear pump A (3), a gear pump B (15), front steering wheels (6), a front oil displacement motor (5), back wheels (8), a back oil displacement motor (9), a reversing valve a (7), a reversing valve b (14), seedling planting driving oil motors (10), a flow rate valve (12), a lifting oil cylinder (11), a hydraulic oil tank (13), high and low pressure oil pipes, and a related operation mechanism. The hydraulic driving system is characterized in that a walking part is totally equipped with four oil motors, wherein each oil motor directly drives one wheel; the four oil motors are combined in parallel or in series; and a special oil motor is used for driving a seedling planting system, and the flow rate valve is used for regulating the row spacing of seedlings. The hydraulic driving system disclosed by the utility model has the advantages of simple structure, low cost and light weight and greatly improves the passing performance of a seedling planting machine in a complex field; and by utilizing the hydraulic driving system disclosed by the utility model, the structure of a seedling planting part is omitted so that the seedling planting machine can be also used as a field conveyor for conveying the seedlings, the fertilizer and the like in the field.

Description

A kind of fluid power system of all-hydraulic four wheel drive rice transplanter

[technical field] the utility model is a kind of fluid power system, is a kind of fluid power system of all-hydraulic four wheel drive rice transplanter specifically.

[background technology] is present, and the four wheel drive rice transplanter of China's production and selling all is mechanically operated.This rice transplanter production difficulty is big, and manufacturing cost is high, and selling price is high.In recent years, some rice transplanter factory requires us to develop a kind of all-hydraulic four-wheel hydraulic-driven rice transplanter for it.And, higher requirement has been proposed fluid power system according to the work characteristics of rice transplanter, and the one, the driving wheel synchronous effect must be good before and after the requirement; The 2nd, the gross weight of requirement rice transplanter is than mechanically operated reduction, and the weight on whole walking chassis is no more than 350kg; The 3rd, the requirement road clearance is not less than 500mm; The 4th, claimed structure is simple, and is cheap, durable in use, is convenient to install and maintenance.

[summary of the invention] in order to satisfy the demand of rice transplanter factory to all-hydraulic four wheel drive rice transplanter, the utility model provides a kind of all-hydraulic four wheel drive rice transplanter fluid power system.

For solving its technical problem, the technical scheme that the utility model adopts is: 1. this fluid power system is formed by driving oil motor, flow valve, hoist cylinder, hydraulic oil container and high and low pressure oil pipe by engine, gear pump transmission case, gear pump A and gear pump B, steering front wheel, forerunner's oil motor, trailing wheel, rear-guard oil motor, reversal valve a and reversal valve b, rice transplanting; 2. gear pump A and gear pump B have been installed on the gear pump transmission case, and gear pump A is responsible for walking, and gear pump B is responsible for rice transplanting and up-down; 3. running gear has disposed four oil motors altogether, comprises two forerunner's oil motors and two rear-guard oil motors, and each oil motor directly drives a wheel; 4. the coupling method between each hydraulic part is; The oil-in of gear pump A and the oil-out of hydraulic oil container link through oil inlet pipe; The oil-in of gear pump A oil-out and reversal valve a links through high-pressure oil pipe; Two oil-outs of reversal valve a, one is in parallel through high-pressure oil pipe and two forerunner's oil motors, and another links through two rear-guard oil motors on high-pressure oil pipe and the trailing wheel; About two groups of forerunner's oil motors and rear-guard oil motor carry out series connection respectively, the oil return opening of reversal valve a links through the oil return opening of oil return pipe and hydraulic oil container; The oil-in of gear pump B and the oil-out of hydraulic oil container link through oil inlet pipe; The oil-in of gear pump B oil-out and reversal valve b links through high-pressure oil pipe; One of them oil-out of reversal valve b links through one of them hydraulic fluid port that high-pressure oil pipe and rice transplanting drive oil motor; On the high-pressure oil passage that connects rice transplanting driving oil motor, flow valve has been installed; One end and the high-pressure oil pipe of flow valve link, and the other end and oil return pipe link, and another hydraulic fluid port of rice transplanting driving oil motor links through the oil return opening of oil return pipe and hydraulic oil container; Another oil-out of reversal valve b links through high-pressure oil pipe and hoist cylinder, and the oil return opening of reversal valve b links through the oil return opening of oil return pipe and hydraulic oil container; 5. clutch, driving tooth and two passive tooth are installed in the gear pump transmission case, and two passive tooth connect with gear pump A and gear pump B respectively; 6. save gear pump B and reversal valve b, the rice transplanting of being responsible for rice transplanting and up-down and drive oil motor, flow valve, hoist cylinder and transplanting portion separation structure, can be as field transporters such as field fortune seedling, fortune fertilizer.

The beneficial effect of the utility model is: 1. because the fluid power system of this rice transplanter is simple in structure, and cost reduces greatly, an all-hydraulic four wheel drive rice transplanter (not containing the rice transplanting part) manufacturing cost can be controlled within 10,000 yuan.2. because the weight saving of this rice transplanter (model machine that we make does not contain rice transplanting part weight and is no more than 280kg), four walking oil motors have adopted the bind mode of parallel connection and serial connection in addition, have improved the through performance of rice transplanter in complicated field greatly.3. utilize this fluid power system, save the transplanting portion separation structure, can be as field transporters such as field fortune seedling, fortune fertilizer.

[description of drawings] is described further the utility model below in conjunction with accompanying drawing and embodiment.

Accompanying drawing is the structural representation of the utility model.

Among the figure: 1 engine, 2 gear pump transmission cases, 3 gear pump A, 4 steering tie rods, 5 forerunner's oil motors, 6 steering front wheels, 7 reversal valve a, 8 trailing wheels, 9 rear-guard oil motors, 10 rice transplantings drive oil motor, 11 hoist cylinders, 12 flow valves, 13 hydraulic oil containers, 14 reversal valve b, 15 gear pump B, 16 passive tooth, 17 driving tooths, 18 clutches.

[embodiment] is with reference to accompanying drawing: gear pump transmission case (2) has been installed on engine (1); Clutch (18), driving tooth (17) and two passive tooth (16) are installed in the gear pump transmission case (2); Gear pump A (3) and gear pump B (15) have been installed respectively on the gear pump transmission case (2), have combined with two passive tooth (16) respectively; Forerunner's oil motor (5) has been installed respectively on two steering front wheels (6), rear-guard oil motor (9) has been installed respectively on two trailing wheels (8); The oil-out of the oil-in of gear pump A (3) and hydraulic oil container (13) links through oil inlet pipe, and the oil-in of gear pump A (3) oil-out and reversal valve a (7) links through high-pressure oil pipe; Two oil-outs of reversal valve a (7); One is in parallel through high-pressure oil pipe and last two the forerunner's oil motors of steering front wheel (6) (5); Another is in parallel through two the rear-guard oil motors (9) on high-pressure oil pipe and the trailing wheel (8), and the oil return opening of reversal valve a (7) links through the oil return opening of oil return pipe and hydraulic oil container (13); Two forerunner's oil motors (5) are carried out parallel connection through high-pressure oil pipe, about two groups of forerunner's oil motors (5) and rear-guard oil motor (9) carry out series connection respectively; The oil-out of the oil-in of gear pump B (15) and hydraulic oil container (13) links through oil inlet pipe, and the oil-in of oil-out and reversal valve b (14) links through high-pressure oil pipe; Two oil-outs of reversal valve b (14), one drives oil motor (10) through high-pressure oil pipe and rice transplanting and links, and another links through high-pressure oil pipe and hoist cylinder (11), and the oil return opening of reversal valve b (14) links through the oil return opening of oil return pipe and hydraulic oil container (13); On the high-pressure oil passage that connects rice transplanting driving oil motor (10), flow valve (12) has been installed, an end and the high-pressure oil pipe of flow valve (12) link, and the other end and oil return pipe link; Another hydraulic fluid port of rice transplanting driving oil motor (10) links through the oil return opening of oil return pipe and hydraulic oil container (13).The course of work of fluid power system is: the driving process of a, hydraulic travel system.Ato unit (1); Controlled clutch (18) makes it to be in binding site; Make the driving tooth (17) of gear pump transmission case (2) drive two passive tooth (16) rotation; Thereby driven gear pump A (3) and gear pump B (15) work simultaneously, and hydraulic oil sucks respectively among gear pump A (3) and the gear pump B (15) through oil inlet pipe in hydraulic oil container (13), and the hydraulic oil of generation gets among reversal valve a (7) and the reversal valve b (14) through high-pressure oil pipe respectively.Hydraulic oil forms the loop through another oil-out of high-pressure oil pipe entering reversal valve a (7) through one of them oil-out of reversal valve a (7) again after high-pressure oil pipe gets into forerunner's oil motor (5) and rear-guard oil motor (9) successively; The rotation of drive oil motor, thus drive steering front wheel (6) and trailing wheel (8) rotation; Through handling reversal valve a (7), change the flow direction of hydraulic oil, thereby realize advancing and falling back of rice transplanter.B, rice transplanting drive process.Under the situation of gear pump B (15) operate as normal, handle reversal valve b (14), make hydraulic oil pass through high-pressure oil pipe and get into rice transplanting driving oil motor (10), the drive rice transplanting drives oil motor (10) thereby rotation drives rice transplanting mechanism carries out rice transplanting; Through adjustment flow valve (12), change rice transplanting and drive the rotating speed of oil motor (10) and adjust to required spacing in the rows requirement.C, rice transplanting mechanism lifting process.Handle reversal valve b (14), cut off getting into the hydraulic oil that rice transplanting drives oil motor (10) on the one hand, rice transplanting mechanism is quit work; Make hydraulic oil pass through high-pressure oil pipe entering hoist cylinder (11) on the one hand and make oil cylinder lifting or decline.The braking of d, rice transplanter.Controlled clutch (18) makes it to be in released state, handles reversal valve a (7) and hydraulic oil in the oil motor can not be formed produce braking effect under the situation in loop.

Claims (3)

1. the fluid power system of an all-hydraulic four wheel drive rice transplanter drives oil motor (10), flow valve (12), hoist cylinder (11), hydraulic oil container (13) and high and low pressure oil pipe by engine (1), gear pump transmission case (2), gear pump A (3) and gear pump B (15), steering front wheel (6), forerunner's oil motor (5), trailing wheel (8), rear-guard oil motor (9), reversal valve a (7) and reversal valve b (14), rice transplanting and forms; It is characterized in that: gear pump A (3) and gear pump B (15) have been installed on gear pump transmission case (2), and gear pump A (3) is responsible for walking, and gear pump B (15) is responsible for rice transplanting and up-down; Running gear has disposed four oil motors altogether, comprises two forerunner's oil motors (5) and two rear-guard oil motors (9), and each oil motor directly drives a wheel; The oil-out of the oil-in of gear pump A (3) and hydraulic oil container (13) links through oil inlet pipe; The oil-in of gear pump A (3) oil-out and reversal valve a (7) links through high-pressure oil pipe; Two oil-outs of reversal valve a (7); One is in parallel through high-pressure oil pipe and two forerunner's oil motors (5); Another links through two the rear-guard oil motors (9) on high-pressure oil pipe and the trailing wheel (8), about two groups of forerunner's oil motors (5) and rear-guard oil motor (9) carry out series connection respectively, the oil return opening of reversal valve a (7) links through the oil return opening of oil return pipe and hydraulic oil container (13); The oil-out of the oil-in of gear pump B (15) and hydraulic oil container (13) links through oil inlet pipe; The oil-in of gear pump B (15) oil-out and reversal valve b (14) links through high-pressure oil pipe; One of them oil-out of reversal valve b (14) links through one of them hydraulic fluid port that high-pressure oil pipe and rice transplanting drive oil motor (10); On the high-pressure oil passage that connects rice transplanting driving oil motor (10), flow valve (12) has been installed; One end and the high-pressure oil pipe of flow valve (12) link, and the other end and oil return pipe link, and another hydraulic fluid port of rice transplanting driving oil motor (10) links through the oil return opening of oil return pipe and hydraulic oil container (13); Another oil-out of reversal valve b (14) links through high-pressure oil pipe and hoist cylinder (11), and the oil return opening of reversal valve b (14) links through the oil return opening of oil return pipe and hydraulic oil container (13).
2. the fluid power system of a kind of all-hydraulic four wheel drive rice transplanter according to claim 1; It is characterized in that: clutch (18), driving tooth (17) and two passive tooth (16) are installed in the said gear pump transmission case (2), and two passive tooth (16) connect with gear pump A (3) and gear pump B (15) respectively.
3. the fluid power system of a kind of all-hydraulic four wheel drive rice transplanter according to claim 1; It is characterized in that: save said gear pump B (15) and reversal valve b (14), rice transplanting driving oil motor (10), flow valve (12), hoist cylinder (11) and transplanting portion separation structure, can be as field transporters such as field fortune seedling, fortune fertilizer.
CN2011205598352U 2011-12-26 2011-12-26 Hydraulic driving system of full-hydraulic four-wheel-driven seedling planting machine CN202535719U (en)

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CN2011205598352U CN202535719U (en) 2011-12-26 2011-12-26 Hydraulic driving system of full-hydraulic four-wheel-driven seedling planting machine

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102511231A (en) * 2011-12-26 2012-06-27 覃志明 Hydraulic driving system of full-hydraulic four-wheel-drive rice seedling transplanting machine
CN103010013A (en) * 2012-12-17 2013-04-03 莱恩农业装备有限公司 Full hydraulic driving system of elevation type rice transplanting machine
CN103016431A (en) * 2012-12-17 2013-04-03 莱恩农业装备有限公司 Hydraulic system of full hydraulic seedling planting machine
CN103010014A (en) * 2013-01-03 2013-04-03 莱恩农业装备有限公司 Electrohydraulic hybrid driving system for seedling planting machine
CN103120058A (en) * 2013-03-09 2013-05-29 莱恩农业装备有限公司 Hydraulic system of rice transplanter with automatic differential locking function
CN103486219A (en) * 2013-09-18 2014-01-01 莱恩农业装备有限公司 Transmission system of partitioned hydraulic total-driving rice transplanter and control method for transmission system
CN104500465A (en) * 2014-11-28 2015-04-08 宁波中意液压马达有限公司 Hydraulic chassis driving system of multifunctional agricultural locomotive

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102511231B (en) * 2011-12-26 2014-01-22 覃志明 Hydraulic driving system of full-hydraulic four-wheel-drive rice seedling transplanting machine
CN102511231A (en) * 2011-12-26 2012-06-27 覃志明 Hydraulic driving system of full-hydraulic four-wheel-drive rice seedling transplanting machine
CN103016431A (en) * 2012-12-17 2013-04-03 莱恩农业装备有限公司 Hydraulic system of full hydraulic seedling planting machine
CN103016431B (en) * 2012-12-17 2016-02-10 莱恩农业装备有限公司 The hydraulic system of all-hydraulic transplanter
CN103010013B (en) * 2012-12-17 2016-06-29 莱恩农业装备有限公司 The full hydraulic drive system of lift rice transplanter
CN103010013A (en) * 2012-12-17 2013-04-03 莱恩农业装备有限公司 Full hydraulic driving system of elevation type rice transplanting machine
WO2014094371A1 (en) * 2012-12-17 2014-06-26 莱恩农业装备有限公司 Hydraulic system of fully hydraulic rice transplanter
CN103010014A (en) * 2013-01-03 2013-04-03 莱恩农业装备有限公司 Electrohydraulic hybrid driving system for seedling planting machine
CN103120058A (en) * 2013-03-09 2013-05-29 莱恩农业装备有限公司 Hydraulic system of rice transplanter with automatic differential locking function
CN103486219A (en) * 2013-09-18 2014-01-01 莱恩农业装备有限公司 Transmission system of partitioned hydraulic total-driving rice transplanter and control method for transmission system
CN103486219B (en) * 2013-09-18 2018-04-20 莱恩农业装备有限公司 A kind of subregion hydraulic pressure always drives the transmission system and its control method of rice transplanter
CN104500465A (en) * 2014-11-28 2015-04-08 宁波中意液压马达有限公司 Hydraulic chassis driving system of multifunctional agricultural locomotive
CN104500465B (en) * 2014-11-28 2017-01-04 宁波中意液压马达有限公司 Multifunctional agricultural locomotive fluid pressure underpan drive system

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Granted publication date: 20121121

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