CN201821684U - Hydraulic system for self-propelling tomato harvesters - Google Patents

Hydraulic system for self-propelling tomato harvesters Download PDF

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Publication number
CN201821684U
CN201821684U CN2010202637308U CN201020263730U CN201821684U CN 201821684 U CN201821684 U CN 201821684U CN 2010202637308 U CN2010202637308 U CN 2010202637308U CN 201020263730 U CN201020263730 U CN 201020263730U CN 201821684 U CN201821684 U CN 201821684U
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China
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motor
valve
fruit
pump
hydraulic
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CN2010202637308U
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Inventor
丛锦玲
陈霁
李成松
吴学雄
付威
李亚纯
王斌
孙日宾
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WUHAN WINMIND TECHNOLOGY DEVELOPMENT Co Ltd
Shihezi University
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WUHAN WINMIND TECHNOLOGY DEVELOPMENT Co Ltd
Shihezi University
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Abstract

The utility model relates to a hydraulic system for agricultural harvesting machines, in particular to a hydraulic system for self-propelling tomato harvesters. The hydraulic system comprises five independent hydraulic circuits, which share an oil tank, and a wind cooler and a return oil filter are arranged on a main return oil passage. The hydraulic system has the advantages of stable transmission and reliable performance, and can easily carry out a variety of complex mechanical actions, such as lifting, transmission and steering, and when the hydraulic system is used along with a corresponding tomato harvester, the tomato harvester can have a power system with excellent performance, and thereby can carry out tomato-harvesting operation at high quality and high efficiency.

Description

The hydraulic system that is used for self-propelled tomato harvester
Technical field:
The utility model relates to the hydraulic system of agricultural harvesting machinery, especially a kind of hydraulic system that is used for self-propelled tomato harvester.
Background technology:
Along with the expansion day by day of Xinjiang tomato industry, the processing tomato cultivated area is also progressively increasing, and the low-cost results in good time of tomato become the key factor of restriction tomato industry sustained and rapid development.The seasonality of processing tomato results is strong, and labour intensity is big, and the expense height accounts for 50%~70% of production cost.At present, the processing tomato of China mainly relies on manually and gathers, and efficient is low-cost high, is difficult in good time results, influences the quality of tomato product.And processing tomato mechanization is gathered and can not only be reduced cost of material, can also improve the quality of products and in the competitive ability of international market, is the effective ways that solve such problem.At present, the mechanized harvest of China's processing tomato mainly relies on the import tomato harvester, introduces the mainly concentrated Xinjiang of unit of tomato harvester, and in use the problem of Cun Zaiing is as follows:
(1) the import reaping machine costs an arm and a leg, every price about 1,350,000, and generally enterprise is unable bears, and the plantation family more is difficult to oneself to be bought, and has hindered the popularization of tomato mechanized harvest;
(2) owing to offshore company the reaping machine key technology is monopolized, and a large amount of nonstandard parts have been adopted on the import reaping machine, make the maintenance of parts must deliver to abroad, have a strong impact on reaping machine in time, repair and maintenance (R and M) cheaply, had a strong impact on the normal operation of reaping machine in the harvest season;
(3) external reaping machine can not adapt to the requirement such as kind, cropping pattern, service condition of Xinjiang tomato fully.
Therefore, develop a kind of processing tomato reaping machine with independent intellectual property right, dependable performance, cheap, suitable Xinjiang actual production conditions and the condition of popularization, be to realize the gather key of mechanization of processing tomato, reduce processing tomato results production cost especially, the liberation labour, the only way of promotion Xinjiang tomato industry entire mechanization.
Chinese patent ZL200820103965.3 discloses a kind of processing tomato combined harvester, comprise frame, wheel, be provided with cutter at frame front, frame is provided with transport sector, vine and fruit separation device, described transport sector comprises rattan fruit transport sector, fruit transport sector and tendril transport sector, cutter is connected by described rattan fruit transport sector with vine and fruit separation device, fruit transport sector and tendril transport sector place the below of vine and fruit separation device, and the fruit transport sector places the below of tendril transport sector, and described fruit transport sector is connected with external transport tape.Be provided with the look screening device on described external transport tape, external transport tape is not held and is provided with the fruit elevator.
Described cutter, comprise seedling distributing device, cutter assembly, also be provided with the mechanism of pulling over of putting a lodged plant upright, the described mechanism of pulling over of putting a lodged plant upright is made up of two groups of staggered pull-fork assemblies and shift fork transmission mechanism, described shift fork transmission mechanism comprises two groups of shift fork kinematic links installing on an eccentric wheel and the eccentric wheel, two groups of shift fork kinematic links link mutually with two groups of pull-fork assemblies respectively, and described two groups of pull-fork assemblies are positioned at cutter assembly top position, and by shift fork connector and framework lateral plate hinge joint.
Described vine and fruit separation device is characterized in that comprising rotatable mechaninism, spring tooth bowl, and described spring tooth bowl is connected by transmission mechanism with described rotatable mechaninism, and the centre of gyration of described spring tooth bowl and described rotatable mechaninism is same axis; Above-mentioned rotatable mechaninism is made up of the rotation transmission mechanism, described rotation transmission mechanism comprises driving wheel, driven pulley, power transmission shaft and eccentric block, described driving wheel is located on the power input shaft, driving wheel be located at power transmission shaft on driven pulley between be connected by transmission device, on the position of described power transmission shaft, be provided with eccentric block at internal body, set rotation transmission mechanism is at least two groups, and be evenly to distribute on the circumference in the center of circle with the power input shaft, the number of teeth of described driving wheel, driven pulley is all identical with size.
Adopt the processing tomato combined harvester of said structure to gather, harvesting, the fruit branch that can disposablely finish tomato separate and removal of impurities, the choosing of fruit look, multiple working procedures such as fruit discharging, from improving the results efficient of tomato harvester, for tomato harvester is equipped with a cover high-performance, high efficiency, stable strong dynamical system, can play important effect to the increasing both production and income of tomato results.Hydraulic system is combined with self-propelled tomato harvester, promptly provide power for tomato harvester with hydraulic system, the structure of tomato harvester is simplified, reduce the processing and manufacturing cost, and the action that can make tomato harvester is corresponding sensitive more, makes it possess good characteristics such as controlling easy, high-power power output is stable, noise reduction.
Summary of the invention:
The purpose of this utility model be to provide a kind of rational in infrastructure, stability is strong, performance is good, efficient is high, with the matching used hydraulic system that is used for self-propelled tomato harvester of corresponding tomato harvester.
Hydraulic system provided by the utility model is developed on the disclosed a kind of processing tomato combined harvester architecture basics of Chinese patent ZL200820103965.3.As Fig. 1-Fig. 6, on the architecture basics of above-mentioned processing tomato combined harvester, be provided with rake roller 2 in the 4 tops increase of described rattan fruit transport sector, described rake roller 2 is a finger drum-type rake roller, be used for the pulling over of fruit band fruit seedling, described rake roller 2 is driven by rake roller motor 3;
Be provided with centrifugal blower between described fruit transport sector 11 and external transport tape 13, described centrifugal blower is driven by centrifugal fan motor 14;
The structure of described look screening device 24 comprises the color ccd sensor 38 that is connected with the signals collecting end, signal output part then is connected with sorting mechanism, this sorting mechanism comprises ejection plate 39 and driver, described driver comprises air pump 37, drives cylinder 40, the piston rod front end that drives cylinder 37 is connected with ejection plate 39, be connected with air compressor 35 at described air pump 37, described air compressor 35 is driven by air compressor motor 36;
Described fruit elevator 7 is provided with fruit and unloads strip, and described fruit elevator 7 is driven by fruit elevator motor 20.
According to the course of work of tomato harvester, can conclude that to sum up action and function that tomato harvester needs hydraulic system to finish as follows:
(1) elevating movement of cutter 1: when work, the location that the elevating movement of cutter 1 can realize cutter 1 height gathers in the crops according to plant height; When transportation, walking, cutter 1 rises; When on the shelf, cutter 1 is reduced to minimum, by 33 controls of cutter lift cylinders.
(2) elevating movement of land wheel 18: two land wheels 18 are controlled separately, and the base area condition is controlled two land wheels hoisting depth separately respectively, regulate cylinder 50.2 controls by the cutter land wheel.
(3) the discharging belt frame is folding: when work, the discharging belt frame is opened, and will control the height that stretches out of discharging belt according to the height of lorry; When not working, the discharging belt frame is in folded state, keeps minimum horizontal space to take, and goes wrong when avoiding placement and walking, unloads 50.3 controls of strip telescoping cylinder by fruit.
(5) linear reciprocating motion of cutter: the linear reciprocating motion of cutter is finished the cutting task of tomato seedling, is driven by cutter motor 34.
(6) linear reciprocating motion of shift fork: the linear reciprocating motion of shift fork has been realized the clamping to the guiding of the direction of motion of tomato seedling and tomato stem stalk, thereby is convenient to the cutting of cutter, is driven by shift fork motor 56.6.
(7) motion of rattan fruit transport sector 4: driven by swiveling wheel, the tomato seedling after rattan fruit transport sector 4 utilizes conveyer belt to cut is transported to fruit, the branch separating part of back, becomes 17 to drive by rattan fruit transport sector motor.
(8) motion of tendril transport sector 9: tendril transport sector 9 is driven by swiveling wheel, with going tomato seedling behind the fruit to dish out outside the car, is driven by tendril transport sector motor 10.
(9) look selects the motion of conveyer belt: look selects conveyer belt to be driven by swiveling wheel, is responsible for the fruit after the look choosing is transported to the discharging belt, selects conveyer belt motor 22 to drive by look.
(10) motion of external conveyer belt: external conveyer belt is driven by swiveling wheel, will be sent to look from the tamato fruit that fruit transport sector 11 comes out and select belt 25, has guaranteed the continuity that fruit is carried, and is driven by external transport tape motor 26.
(11) look selects the motion of belt 25: look selects belt to be driven by swiveling wheel, and the fruit that transverse onveyer is shipped changes carriage direction, carries out the look choosing then be sent to color selector, selects belt motor 23 to drive by look.
(12) motion of fruit discharging belt: fruit discharging belt is driven by swiveling wheel, is responsible for the fruit elevator to suitable height, fruit is thrown delivered on the lorry, by fruit elevator motor driven.
(13) rotatablely moving of rake roller 2: rake roller 2 is driven by swiveling wheel, and the rake roller is sent to rattan fruit transport sector 4 with the tomato and the seedling of cutting bed 1 results, is driven by rake roller motor 3.
(14) flabellum of centrifugal blower rotates: the work of centrifugal blower, and can be fruit and provide wind regime endlessly with light assorted separating, further improve and clean effect, drive by centrifugal fan motor 14.
(15) rotation of vine and fruit separation device: under the rotation of vine and fruit separation device can " be dragged fruit ", become the main function components of fruit, branch separation from the tomato seedling, drive by vine and fruit separation device motor 27.
(16) go to action: self-propelled tomato harvester will be finished automatic walking function, must realize fluid-link steering, by turning to oil cylinder 55.3 controls.
A kind of hydraulic system that is used for self-propelled tomato harvester, it is characterized in that this hydraulic system is an open system, comprise five independent hydraulically controlled loops, five shared fuel tanks of hydraulic circuit, total oil return line is provided with air cooler and return filter, and described five hydraulic circuits are respectively:
(1) hydraulic circuit one: comprise the axial piston variable capacity oil pump 56.1 that links to each other with fuel tank 53, described axial piston variable capacity oil pump 56.1 links to each other with motor control reversal valve group 56.3 and overflow valve 56.2, described overflow valve 56.2 is used for setting the highest safe pressure in this loop, in the described motor control reversal valve group 56.3 each reversal valve respectively with fruit transport sector motor 12, external transmission belt motor 26, fruit elevator motor 20, look selects conveyer belt motor 22, look selects belt motor 23, rattan fruit transport sector motor 17, rake roller motor 3, cutter motor 34, shift fork motor 56.6 is connected, between each reversal valve and described each motor, choke valve 56.4 is housed, be used for controlling the rotating speed of motor, pressure measuring tie-in check valve 56.5 also is housed, is used for detecting the actual working pressure of each duplexure; Wherein fruit transport sector motor 12 is connected on the oil circuit and a shared reversal valve with external transmission belt motor 26, look selects conveyer belt motor 22 and look to select belt motor 23 to be connected on the oil circuit and a shared reversal valve, rattan fruit transport sector motor 17 is connected on the oil circuit and a shared reversal valve with rake roller motor 3, rake roller motor 3 is in parallel with choke valve 56.4, is controlled by choke valve 56.4;
(2) hydraulic circuit two: comprise the duplex pump 49.1 that links to each other with fuel tank 53, the big oil pump outlet line road of described duplex pump 49.1 is provided with vine and fruit separation device motor 27 and fruit elevator motor 20, described vine and fruit separation device motor 27 and fruit elevator motor 20 connects for parallel; the fuel-displaced pipeline of little pump is provided with centrifugal fan motor 14; be respectively equipped with proportioning valve 49.3 on vine and fruit separation device motor 27 and the fruit elevator motor 20 place branch roads; be used for the rotating speed of governor motor; the oil-out place at big pump is provided with accurate filter 52; be used for avoiding proportioning valve contaminated; also to be provided with check valve 49.2 and overflow valve 49.4; come the initialization system MTP respectively and prevent that hydraulic oil from flowing backwards; described vine and fruit separation device motor 27; centrifugal fan motor 14 parallel connection respectively is provided with check valve 49.7; can use check valve and motor to form the loop in fuel cut-off; can prevent motor idle running, play the protection motor; Between the oil-out of little pump and centrifugal fan motor, be provided with overflow valve 49.6, be used for establishing the maximum pressure of oil circuit, also be provided with check valve 49.2 and reversal valve 49.5, be used for controlling the rotation direction of centrifugal fan motor;
(3) hydraulic circuit three: comprise the duplex pump 50.7 that links to each other with fuel tank 53, wherein said duplex pump 50.7 pump hydraulic fluid port and cutter lift cylinders 33 greatly, fruit unloads strip lift cylinders 50.1, the cutter land wheel is regulated cylinder 50.2, fruit unloads strip telescoping cylinder 50.3 and is connected by solenoid directional control valve group 50.8, described solenoid directional control valve group 50.8 is used for opening the flexible direction of hydraulic cylinder or regulator solution cylinder pressure, also be not provided with overflow valve 50.4 on the oil circuit last not stating, be used for setting MTP, described duplex pump 50.7 pumps hydraulic fluid port for a short time and is connected with air compressor motor 36, be provided with overflow valve 50.6 pumping for a short time between hydraulic fluid port and the air compressor motor 36, choke valve 50.5, reversal valve 50.9, described choke valve 50.5 is used for regulating the rotating speed of air compressor motor 36;
(4) hydraulic circuit four: comprise the gear pump 55.1 that links to each other with fuel tank 53, described gear pump 55.1 links to each other with all-hydraulic steering gear 55.2, wherein two oil-outs of described all-hydraulic steering gear 55.2 are connected with turning to oil cylinder 55.3, wherein another oil-out is connected with fuel tank 53, when not turning to, gear pump 55.1 directly communicates with fuel tank 53, all-hydraulic steering gear 55.2 is respectively equipped with check valve 55.5 and overflow valve 55.4 with two oil-outs that turn to oil cylinder 55.3 to link to each other, the oil-out of described check valve 55.5 and overflow valve 55.4 is connected with fuel tank 53, described two overflow valves 55.4 limit the maximum pressure of system, when oil pressure is too high, this valve is opened, fluid flows back to fuel tank, two check valves 55.5 play a role when manually turning to, be convenient to oil and reflux from fuel tank, the place can also be provided with heat exchanger and filter at described oil return opening, is used for cooling off, filter hydraulic oil;
(5) hydraulic circuit five: comprise the slippage pump 54.1 that links to each other with fuel tank 53, described slippage pump 54.1 fuel-displaced pipelines are provided with two high-pressure overflow valves 54.5 and two check valves 54.6, described two high-pressure overflow valves 54.5 and two 54.6 parallel connections with walking variable displacement motor 54.7 of check valve constitute the loop, described loop is connected with fuel tank 53 by low pressure relief valve 54.3, described walking variable displacement motor 54.7 constitutes another loop with gear pump with variable capacity 54.2, one of them high-pressure overflow valve 54.5 is in parallel with a choke valve 54.4, described high-pressure overflow valve 54.5 is connected with fuel tank 53, slippage pump 54.1 is by low pressure relief valve 54.3 and walking variable displacement motor 54.7, loop, variable pump 54.2 place links to each other, and is provided with air cooler 51 on return line.
In oil hydraulic circuit five, the hydraulic oil that slippage pump 54.1 initially provides is in variable pump 54.2 and walking variable displacement motor 54.7 inner loop, tomato harvester is straight line moving at the uniform velocity, when changing the flow of variable pump 54.2, the also corresponding change of rotating speed of walking variable displacement motor 54.7, thereby the speed of control walking.Change the direction of variable pump 54.2, can change the direction of motion of walking variable displacement motor 54.7, make the tomato harvester reverse driving thereby change.Wherein, high-pressure overflow valve 54.5 has played buffer starting or the effect of the impulsive force when turning to.In reverse driving, because the velocity ratio that requires is lower, thereby need part oil from choke valve 54.4 oil sump tanks, make that oily flow reduces in the walking variable displacement motor 54.7, to reduce travel speed.Low pressure relief valve 54.3 is used to set the maximum pressure of oil circuit, can off-load when the oil circuit hypertonia.
In the described hydraulic circuit two, replace described vine and fruit separation device motor 27 with a unidirectional variable displacement motor, the frame for movement of tomato harvester is simplified, rotatable mechaninism that vine and fruit separation device comprises and spring tooth bowl two parts described in the structure of the tomato harvester of original design, rotatable mechaninism is converted into the speed change gyration to the gyration from power source vine and fruit separation device motor 27, drive the spring tooth bowl action and finish the separation of tomato fruit seedling, described rotatable mechaninism can save, directly drive spring tooth bowl with a unidirectional variable displacement motor, by periodic flow and the direction of regulating unidirectional variable displacement motor of magnetic valve, can realize the periodicity revolution of spring tooth bowl equally.
Liquid level gauge, temperature probe, fuel outlet valve and air cleaner preferably are installed on the described fuel tank, are used for measuring the air in oil tank liquid level, temperature and the filtration fluid respectively.
The tomato harvester of said structure is in the process of carrying out the tomato results, the cutting of fruit seedling, the seedling that can realize tomato really separates, also field, fruit look select branches and leaves, fruit transports, the multiple function of entrucking, improved the results efficient of tomato greatly, reduce labour cost, shortened the time of tomato results greatly.Be the structure of simplification complete machine, and be convenient to control, the key operation parts on the tomato harvester all rely on hydraulic motor to drive, and hydraulic system plays important effect in this reaping machine.
Compared with prior art, the hydraulic system that is used for self-propelled tomato harvester provided by the utility model, stable drive, dependable performance, be easy to realize lifting, transmission, multiple complicated mechanical action such as turn to, make tomato harvester have the dynamical system of function admirable, and then can finish the tomato harvest operation high-quality, efficiently.
Description of drawings:
Fig. 1 is the processing tomato combined harvester structural representation of the utility model embodiment 1.
The structural representation that Fig. 2 overlooks for Fig. 1.
Fig. 3 is the structural representation of the cutter among Fig. 2.
Fig. 4 is the side-looking structural representation of Fig. 3.
Fig. 5 is the structural representation of sorting mechanism in the look screening device of the utility model embodiment 1.
Fig. 6 is the structural representation of the vine and fruit separation device of the utility model embodiment 1.
Fig. 7 be among the utility model embodiment 1 with the suitable hydraulic system structure schematic diagram of processing tomato combined harvester.
1 is cutter shown in the figure, and 2 are the rake roller, and 3 are the rake roller motor, 4 is rattan fruit transport sector, and 5 is driver's cabin, and 6 is steering wheel, 7 is the fruit elevator, and 8 is vine and fruit separation device, and 9 is the tendril transport sector, 10 is tendril transport sector motor, and 11 is the fruit transport sector, and 12 is fruit transport sector motor, 13 is external transport tape, and 14 is centrifugal fan motor, and 15 is wheel, 16 is frame, and 17 is rattan fruit transport sector motor, and 18 is land wheel, 19 is seedling distributing device, and 20 is fruit elevator motor, and 21 select conveyer belt for look, 22 for look selects the conveyer belt motor, and 23 for look selects the belt motor, and 24 is the look screening device, 25 select belt for look, 26 is external transport tape motor, and 27 is the vine and fruit separation device motor, and 28 is the cutter assembly, 29 is pull-fork assembly, 30 is the cutter kinematic link, and 31 is the shift fork kinematic link, and 32 is eccentric wheel, 33 is the cutter lift cylinders, 34 is the cutter motor, and 35 is air compressor, and 36 is the air compressor motor, 37 is air pump, 38 is color ccd sensor, and 39 is ejection plate, and 40 for driving cylinder, 41 is cylinder piston, 42 for being spring tooth bowl, and 43 is rotatable mechaninism, and 44 is eccentric block, 45 is power input shaft, 46 is driving wheel, and 47 is driven pulley, and 48 is power transmission shaft;
49 is that hydraulic circuit two, 49.1 is a duplex pump, and 49.2 is check valve, and 49.3 is proportioning valve, and 49.4 is overflow valve, and 49.5 is reversal valve, and 49.6 is overflow valve, and 49.7 is check valve;
50 is hydraulic circuit three, 50.1 for fruit unloads the strip lift cylinders, 50.2 for the cutter land wheel is regulated cylinder, 50.3 for fruit unloads the strip telescoping cylinder, 50.4 is overflow valve, 50.5 is choke valve, 50.6 be overflow valve, 50.7 be the duplex high-pressure gear pump, 50.8 is the two-position four way change valve group, 50.9 is reversal valve;
51 is air cooler, and 52 is filter, and 53 is fuel tank;
54 is that hydraulic circuit five, 54.1 is a slippage pump, and 54.2 is gear pump with variable capacity, and 54.3 is low pressure relief valve, and 54.4 is choke valve, and 54.5 is high-pressure overflow valve, and 54.6 is check valve, and 54.7 are the walking variable displacement motor;
55 is that hydraulic circuit four, 55.1 is a gear pump, and 55.2 is all-hydraulic steering gear, and 55.3 for turning to oil cylinder, and 55.4 is overflow valve, and 55.5 is check valve;
56 is that hydraulic circuit one, 56.1 is the axial piston variable capacity oil pump, and 56.2 is overflow valve, and 56.3 are motor control reversal valve group, and 56.4 is choke valve, and 56.5 is the pressure measuring tie-in check valve, and 56.6 is the shift fork motor.
Embodiment:
Embodiment 1:
With reference to accompanying drawing 1-accompanying drawing 7, comprise frame 16 with the structure of the supporting processing tomato combined harvester of present embodiment, wheel, be provided with cutter 1 in frame 16 front portions, frame 16 is provided with transport sector, vine and fruit separation device 8, described transport sector comprises rattan fruit transport sector 4, fruit transport sector 11 and tendril transport sector 9, cutter 1 is connected by described rattan fruit transport sector 4 with vine and fruit separation device 8, fruit transport sector 11 and tendril transport sector 9 place the below of vine and fruit separation device 8, and fruit transport sector 11 places the below of tendril transport sector 9, and described fruit transport sector 11 is connected with external transport tape 13.Be provided with look screening device 24 on described external transport tape 13, external transport tape 13 is not held and is provided with fruit elevator 7.
Described cutter 1, comprise seedling distributing device 19, cutter assembly 28, also be provided with the mechanism of pulling over of putting a lodged plant upright, the described mechanism of pulling over of putting a lodged plant upright is made up of two groups of staggered pull-fork assemblies 29 and shift fork transmission mechanism, described shift fork transmission mechanism 31 comprises two groups of shift fork kinematic links 31 installing on an eccentric wheel 32 and the eccentric wheel 32, two groups of shift fork kinematic links 31 link mutually with two groups of pull-fork assemblies 29 respectively, described two groups of pull-fork assemblies 29 are positioned at cutter assembly 28 top positions, and by shift fork connector and framework lateral plate hinge joint.
Described vine and fruit separation device comprises rotatable mechaninism 43, spring tooth bowl 42, and described spring tooth bowl 42 and described rotatable mechaninism 43 are connected by transmission mechanism, and the centre of gyration of described spring tooth bowl 42 and described rotatable mechaninism 43 is same axis; Above-mentioned rotatable mechaninism 43 is made up of the rotation transmission mechanism, described rotation transmission mechanism comprises driving wheel 46, driven pulley 47, power transmission shaft 48 and eccentric block 44, described driving wheel 46 is located on the power input shaft 45, driving wheel 46 be located at power transmission shaft on driven pulley 47 between be connected by transmission device, on the position of described power transmission shaft, be provided with eccentric block 44 at internal body, set rotation transmission mechanism is at least two groups, and be evenly to distribute on the circumference in the center of circle with the power input shaft, the number of teeth of described driving wheel 46, driven pulley 47 is all identical with size.
Increase on described rattan fruit transport sector 4 tops and to be provided with rake roller 2, described rake roller 2 is finger drum-type rake roller, is used for the pulling over of fruit band fruit seedling, and described rake roller 2 is by 3 drivings of rake roller motor;
Be provided with centrifugal blower between described fruit transport sector 11 and external transport tape 13, described centrifugal blower is driven by centrifugal fan motor 14;
The structure of described look screening device 24 comprises the color ccd sensor 38 that is connected with the signals collecting end, signal output part then is connected with sorting mechanism, this sorting mechanism comprises ejection plate 39 and driver, described driver comprises air pump 37, drives cylinder 40, the piston rod front end that drives cylinder 37 is connected with ejection plate 39, be connected with air compressor 35 at described air pump 37, described air compressor 35 is driven by air compressor motor 36;
Described fruit elevator 7 is provided with fruit and unloads strip, and described fruit elevator 7 is driven by fruit elevator motor 20.
Hydraulic system provided by the utility model comprises five independent hydraulically controlled loops, five shared fuel tanks of hydraulic circuit, and total oil return line is provided with air cooler and return filter, and described five hydraulic circuits are respectively:
(1) hydraulic circuit one: comprise the axial piston variable capacity oil pump 56.1 that links to each other with fuel tank 53, described axial piston variable capacity oil pump 56.1 links to each other with motor control reversal valve group 56.3 and overflow valve 56.2, overflow valve 56.2 pressure intensity parameters are 16Mpa, axial piston variable capacity oil pump 56.11 relevant parameters: discharge capacity 100cc/rev, rotating speed 1000rev/min, input power 30KW, in the described motor control reversal valve group 56.3 each two-position four way change valve respectively with fruit transport sector motor 12 (100cc/rev), external transmission belt motor 26 (50cc/rev), fruit elevator motor 20 (100cc/rev), look selects conveyer belt motor 22 (100cc/rev), look selects belt motor 23 (100cc/rev), rattan fruit transport sector motor 17 (160cc/rev), rake roller motor 3 (100cc/rev), cutter motor 34 (100cc/rev), shift fork motor 56.6 (100cc/rev) is connected, between each reversal valve and described each motor, choke valve 56.4 is housed, and pressure measuring tie-in check valve 56.5 is housed, wherein fruit transport sector motor 12 is connected on the oil circuit and a shared two-position four way change valve with external transmission belt motor 26, look selects conveyer belt motor 22 and look to select belt motor 23 to be connected on the oil circuit and a shared two-position four way change valve, rattan fruit transport sector motor 17 is connected on the oil circuit and a shared two-position four way change valve with rake roller motor 3, rake roller motor 3 is in parallel with choke valve 56.4, is controlled by choke valve 56.4;
(2) hydraulic circuit two: comprise that the duplex pump 49.1 that links to each other with fuel tank 53 comprises the duplex pump 49.1 that links to each other with fuel tank 53, the big pump of described duplex pump 49.1, relevant parameter: discharge capacity is 50cc/rev, rotating speed is 1000rev/min, input power is 18.5KW) fuel-displaced pipeline is provided with vine and fruit separation device motor 27 (160cc/rev) and fruit elevator motor 20 (100cc/rev), described vine and fruit separation device motor 27 and fruit elevator motor 20 connects for parallel; the fuel-displaced pipeline of little pump (28cc/rev) is provided with centrifugal fan motor 14 (11cc/rev); the oil-out place at big pump is provided with check valve 49.2; accurate filter 52; overflow valve 49.4; be respectively equipped with proportioning valve 49.3 on vine and fruit separation device motor 27 and fruit elevator motor 20 branch roads; described vine and fruit separation device motor 27; centrifugal fan motor 14 parallel connection respectively is provided with check valve 49.7; be provided with check valve 49.2 between the oil-out of little pump and centrifugal fan motor; overflow valve 49.6 and reversal valve 49.5, the big pump of described duplex pump 49.1; the specified pressure of each branch road of little pump is for being 12MPa;
(3) hydraulic circuit three: comprise the duplex pump 50.7 that links to each other with fuel tank 53, its parameter: rotating speed is 1000rev/min, input power 6KW, wherein big revolution speed 11cc/rev; little revolution speed 8cc/rev; wherein said duplex pump 50.7 pump hydraulic fluid port and cutter lift cylinders 33 (D63/d35/s300) greatly; fruit unloads strip lift cylinders 50.1 (D80/d45/s700); the cutter land wheel is regulated cylinder 50.2 (D40/d22/s120); fruit unloads strip telescoping cylinder 50.3 (D63/d35/s220) and is connected by solenoid directional control valve group 50.8; and be provided with overflow valve 50.4 on the oil circuit last not stating; described duplex pump 50.7 pumps hydraulic fluid port for a short time and is connected with air compressor motor 36 (6cc/rev); be provided with overflow valve 50.6 pumping for a short time between hydraulic fluid port and the air compressor motor 36; choke valve 50.5; reversal valve 50.9, the big pump of described duplex pump 50.7; each branch road rated pressure of little pump is 16MPa;
(4) hydraulic circuit four: comprise the gear pump 55.1 that links to each other with fuel tank 53, described gear pump 55.1 links to each other with all-hydraulic steering gear 55.2, wherein two oil-outs of described all-hydraulic steering gear 55.2 are connected with turning to oil cylinder 55.3, wherein another oil-out is connected with fuel tank 53, all-hydraulic steering gear 55.2 is respectively equipped with check valve 55.5 and overflow valve 55.4 with two oil-outs that turn to oil cylinder 55.3 to link to each other, and the oil-out of described check valve 55.5 and overflow valve 55.4 is connected with fuel tank 53;
(5) hydraulic circuit five: comprise the slippage pump 54.1 that links to each other with fuel tank 53, described slippage pump 54.1 fuel-displaced pipelines are provided with two high-pressure overflow valves 54.5 and two check valves 54.6, described two high-pressure overflow valves 54.5 and two 54.6 parallel connections with walking variable displacement motor 54.7 of check valve constitute the loop, described loop is connected with fuel tank 53 by low pressure relief valve 54.3, described walking variable displacement motor 54.7 constitutes another loop with gear pump with variable capacity 54.2, one of them high-pressure overflow valve 54.5 is in parallel with a choke valve 54.4, described high-pressure overflow valve 54.5 is connected with fuel tank 53, slippage pump 54.1 is by low pressure relief valve 54.3 and walking variable displacement motor 54.7, loop, variable pump 54.2 place links to each other, and is provided with air cooler 51 on return line.
Embodiment 2:
Compare with embodiment 1, the different places of present embodiment are on the described fuel tank 53 liquid level gauge, temperature probe, fuel outlet valve and air cleaner to be installed.
Embodiment 3:
Compare with embodiment 1, the different places of present embodiment are to replace described vine and fruit separation device motor 27 with a unidirectional variable displacement motor in the described hydraulic circuit two.The frame for movement of tomato harvester is simplified, rotatable mechaninism that vine and fruit separation device comprises 43 and spring tooth bowl 42 two parts described in the structure of the tomato harvester of original design, rotatable mechaninism 43 is converted into the speed change gyration to the gyration from power source vine and fruit separation device motor 27, drive spring tooth bowl 42 actions and finish the separation of tomato fruit seedling, described rotatable mechaninism 43 can save, directly drive spring tooth bowl 42 with a unidirectional variable displacement motor, by periodic flow and the direction of regulating unidirectional variable displacement motor of magnetic valve, can realize the periodicity revolution of spring tooth bowl 42 equally.

Claims (3)

1. hydraulic system that is used for self-propelled tomato harvester, it is characterized in that this hydraulic system comprises five independent hydraulically controlled loops, five shared fuel tanks of hydraulic circuit, total oil return line is provided with air cooler and return filter, and described five hydraulic circuits are respectively:
(1) hydraulic circuit one: comprise the axial piston variable capacity oil pump (56.1) that links to each other with fuel tank (53), described axial piston variable capacity oil pump (56.1) and motor control reversal valve group (56,3) and overflow valve (56.2) link to each other, in the described motor control reversal valve group (56.3) each reversal valve respectively with fruit transport sector motor (12), external transmission belt motor (26), fruit elevator motor (20), look selects conveyer belt motor (22), look selects belt motor (23), rattan fruit transport sector motor (17), rake roller motor (3), cutter motor (34), shift fork motor (56.6) is connected, between each reversal valve and described each motor, choke valve (56.4) is housed, and pressure measuring tie-in check valve (56.5) is housed, wherein fruit transport sector motor (12) is connected on the oil circuit and a shared reversal valve with external transmission belt motor (26), look selects conveyer belt motor (22) and look to select belt motor (23) to be connected on the oil circuit and a shared reversal valve, rattan fruit transport sector motor (17) is connected on the oil circuit and a shared reversal valve with rake roller motor (3), rake roller motor (3) is in parallel with choke valve (56.4), is controlled by choke valve (56.4);
(2) hydraulic circuit two: comprise that the duplex pump (49.1) that links to each other with fuel tank (53) comprises the duplex pump (49.1) that links to each other with fuel tank (53), the big oil pump outlet line road of described duplex pump (49.1) is provided with the vine and fruit separation device motor
(27) and fruit elevator motor (20), described vine and fruit separation device motor (27) and fruit elevator motor (20) connect for parallel; the fuel-displaced pipeline of little pump is provided with centrifugal fan motor (14); the oil-out place at big pump is provided with check valve (49.2); accurate filter (52); overflow valve (49.4); be respectively equipped with proportioning valve (49.3) on vine and fruit separation device motor (27) and fruit elevator motor (20) branch road; described vine and fruit separation device motor (27); centrifugal fan motor (14) parallel connection respectively is provided with check valve (49.7), are provided with check valve (49.2) between the oil-out of little pump and centrifugal fan motor; overflow valve (49.6) and reversal valve (49.5);
(3) hydraulic circuit three: comprise the duplex pump (50.7) that links to each other with fuel tank (53), wherein said duplex pump (50.7) pump hydraulic fluid port and cutter lift cylinders (33) greatly, fruit unloads strip lift cylinders (50.1), the cutter land wheel is regulated cylinder (50.2), fruit unloads strip telescoping cylinder (50.3) and is connected by solenoid directional control valve group (50.8), and be provided with overflow valve (50.4) on the oil circuit last not stating, described duplex pump (50.7) pumps hydraulic fluid port for a short time and is connected with air compressor motor (36), is provided with overflow valve (50.6) pumping for a short time between hydraulic fluid port and the air compressor motor (36), choke valve (50.5), reversal valve (50.9);
(4) hydraulic circuit four: comprise the gear pump (55.1) that links to each other with fuel tank (53), described gear pump (55.1) links to each other with all-hydraulic steering gear (55.2), wherein two oil-outs of described all-hydraulic steering gear (55.2) are taken out cylinder (55.3) and are connected with turning to, wherein another oil-out is connected with fuel tank (53), all-hydraulic steering gear (55.2) is respectively equipped with check valve (55.5) and overflow valve (55.4) with two oil-outs that turn to oil cylinder (55.3) to link to each other, and the oil-out of described check valve (55.5) and overflow valve (55.4) is connected with fuel tank (53);
(5) hydraulic circuit five: comprise the slippage pump (54.1) that links to each other with fuel tank (53), the fuel-displaced pipeline of described slippage pump (54.1) is provided with two high-pressure overflow valves (54.5) and two check valves (54.6), the parallel connection with walking variable displacement motor (54.7) of described two high-pressure overflow valves (54.5) and two check valves (54.6) constitutes the loop, described loop is connected with fuel tank (53) by low pressure relief valve (54.3), described walking variable displacement motor (54.7) constitutes another loop with gear pump with variable capacity (54.2), one of them high-pressure overflow valve (54.5) is in parallel with a choke valve (54.4), described high-pressure overflow valve (54.5) is connected with fuel tank (53), slippage pump (54.1) is by low pressure relief valve (54.3) and walking variable displacement motor (54.7), variable pump (54.2) loop, place links to each other, and is provided with air cooler (51) on return line.
2. the hydraulic system that is used for self-propelled tomato harvester according to claim 1 is characterized in that being equipped with on the described fuel tank liquid level gauge, temperature probe, fuel outlet valve and air cleaner.
3. the hydraulic system that is used for self-propelled tomato harvester according to claim 1 is characterized in that replacing described vine and fruit separation device motor (27) with a unidirectional variable displacement motor in the described hydraulic circuit two.
CN2010202637308U 2010-07-17 2010-07-17 Hydraulic system for self-propelling tomato harvesters Expired - Lifetime CN201821684U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101940106A (en) * 2010-07-17 2011-01-12 石河子大学 Hydraulic system for self-propelled tomato harvester
CN102318471A (en) * 2011-06-03 2012-01-18 石河子贵航农机装备有限责任公司 Fruit separating device used on tomato harvester
CN103644156A (en) * 2013-12-05 2014-03-19 云南昆船电子设备有限公司 Hydraulic system of fully-automatic tobacco leaf harvester

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101940106A (en) * 2010-07-17 2011-01-12 石河子大学 Hydraulic system for self-propelled tomato harvester
CN101940106B (en) * 2010-07-17 2012-03-28 石河子大学 Hydraulic system for self-propelled tomato harvester
CN102318471A (en) * 2011-06-03 2012-01-18 石河子贵航农机装备有限责任公司 Fruit separating device used on tomato harvester
CN102318471B (en) * 2011-06-03 2013-06-19 石河子贵航农机装备有限责任公司 Fruit separating device used on tomato harvester
CN103644156A (en) * 2013-12-05 2014-03-19 云南昆船电子设备有限公司 Hydraulic system of fully-automatic tobacco leaf harvester
CN103644156B (en) * 2013-12-05 2016-01-13 云南昆船电子设备有限公司 The hydraulic system of fully-automatic tobacco leaf harvester

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