CN207945141U - A kind of Agricultural Machinery Equipment electric-controlled hydraulic suspension arrangement - Google Patents
A kind of Agricultural Machinery Equipment electric-controlled hydraulic suspension arrangement Download PDFInfo
- Publication number
- CN207945141U CN207945141U CN201820340570.9U CN201820340570U CN207945141U CN 207945141 U CN207945141 U CN 207945141U CN 201820340570 U CN201820340570 U CN 201820340570U CN 207945141 U CN207945141 U CN 207945141U
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- hydraulic
- valve
- pressure filter
- automatically controlled
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- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a kind of Agricultural Machinery Equipment electric-controlled hydraulic suspension arrangements.It includes hydraulic lift system,Automatic control system,Signal detection and processing system,Hydraulic lift system includes fuel tank,Single-action hydraulic cylinder,Sequentially connected low-pressure filter,Hydraulic pump,High-pressure filter,It further include automatically controlled poppet,Electro-hydraulic proportion reversing valve,Electromagnetic relief valve,One-way throttle valve,The input port of automatically controlled poppet and the delivery outlet of high-pressure filter connect,The oil inlet of electro-hydraulic proportion reversing valve is connect with the delivery outlet of automatically controlled poppet,The oil outlet of electro-hydraulic proportion reversing valve is connected by the rodless cavity of one-way throttle valve and single-action hydraulic cylinder,The oil inlet of electromagnetic relief valve is connect with high-pressure filter,Signal detection and processing system include pressure sensor and magnetic strength device sensor,Automatic control system includes electronic control unit,Control panel,Driving circuit,Control panel,Driving circuit,Pressure sensor,Magnetic induction sensor is electrically connected with electronic control unit.
Description
Technical field
The utility model is related to a kind of Agricultural Machinery Equipment electric-controlled hydraulic suspension arrangements, belong to Agricultural Machinery Equipment technical field.
Background technology
Agricultural Machinery Equipment hydraulic lift system is mainly used in use according to external condition or particular requirement to agriculture
Equipment is adjusted, and more commonly used to the mode of agricultural machinery and implement adjusting have：Position is adjusted, resistance regulation, power position comprehensive adjustment etc.,
Also under non-state of cultivation agricultural machinery and implement are realized with the adjusting of rapid increase and decline.The hydraulic control system of suspension is control
The device that farm implements processed are promoted, is the power section in suspension arrangement, it generally by hydraulic pump, lifter, hydraulic cylinder and other one
A little valve classes and auxiliary device composition, lifter are made of other Hydraulic Elements (oil cylinder, distributor) and operating mechanism.It is main at present
There are the different types such as remote hydraulic system, integral hydraulic system, half separated type hydraulic system.Remote hydraulic system,
It takes over that road is longer, the leakage of fluid easily occurs；Inconvenience realizes that the power of farm implements tilling depth is adjusted.Integral hydraulic system, can be used
Power, position and height adjust method and control tilling depth, and work is relatively reliable but complicated, and volume is larger, thus in the arrangement of tractor
It is subject to certain restrictions, dismounting checks also relatively cumbersome；It is half separated type hydraulic system, this shape that application is more on the market at present
The hydraulic system of formula, oil pump are arranged separately in a suitable place, are driven by the power output shaft of Agricultural Machinery Equipment, other hydraulic pressure
The lifter of element (oil cylinder, distributor) and operating mechanism composition, is mounted on rear axle housing, the distributor of Agricultural Machinery Equipment is master control
Valve, oil return valve and safety valve processed are integrated in one, and input port is connect with hydraulic pump by oil pipe, and delivery outlet is directly and nonoculture
It is connected with hydraulic cylinder rodless cavity, not only saves space installing, but also reduce the length of oil duct, but this structure type operates
Get up, needs low by amplitudes, intelligence degrees such as the experience control up and down of machine hand.
Invention content
In view of the above defects of the prior art, the utility model provides a kind of simple in structure, small, saving
Space, tubing length is short, manipulation is convenient, the Agricultural Machinery Equipment electric-controlled hydraulic suspension arrangement of high degree of automation.
The utility model is achieved by the following technical solution：A kind of Agricultural Machinery Equipment electric-controlled hydraulic suspension arrangement,
It is characterized in：Including hydraulic lift system, automatic control system, signal detection and processing system, the hydraulic lift system includes
Fuel tank, the single-action hydraulic cylinder being connect with agricultural machinery and implement pass sequentially through the low-pressure filter, hydraulic pump, high filter pressed oil of oil pipe connection
Device, the suction inlet of the low-pressure filter are connected to the fuel tank, further include having automatically controlled poppet, electro-hydraulic proportion reversing valve, electricity
The input port of magnetic overflow valve, one-way throttle valve, the automatically controlled poppet is connect with the delivery outlet of the high-pressure filter, the electricity
The oil inlet of liquid proportional reversal valve is connect with the delivery outlet of the automatically controlled poppet, and the oil outlet of the electro-hydraulic proportion reversing valve is logical
The one-way throttle valve is crossed to connect with the rodless cavity of the single-action hydraulic cylinder, the oil return opening of the electro-hydraulic proportion reversing valve with
Fuel tank connection, the oil inlet of the electromagnetic relief valve are connect with the high-pressure filter, the electromagnetic relief valve it is fuel-displaced
Mouthful be connected to the fuel tank, the signal detection and processing system include pressure sensor and magnetic strength device sensor, it is described automatically
Control system includes electronic control unit, control panel, driving circuit, the control panel, driving circuit, pressure sensor,
Magnetic strength device sensor is electrically connected with the electronic control unit, and automatically controlled poppet is electrically connected with the driving circuit.
When utility model works, when electro-hydraulic proportion reversing valve left end electromagnet is powered, the high pressure oil of hydraulic pump output
By automatically controlled poppet, electro-hydraulic proportion reversing valve, the rodless cavity of hydraulic cylinder is entered using the check valve of one-way throttle valve, makes agriculture
Equipment is promoted；When electro-hydraulic proportion reversing valve right end electromagnet is powered, while the electromagnet power-off of electromagnetic relief valve is controlled, then liquid
The fluid of press pump output flows back to fuel tank by electromagnetic relief valve, and hydraulic pump is in unloading condition, under agricultural machinery and implement Gravitative Loads, liquid
The liquid of cylinder pressure rodless cavity is discharged, and agricultural machinery and implement is made to decline, and discharged liquid is through one-way throttle valve, check valve and electric-hydraulic proportion
Direction valve flows back to fuel tank.Agricultural Machinery Equipment is in operation process, when pressure sensor, which measures pressure, to change, output voltage hair
The variation of changing, output voltage feeds back to electronic control unit, and electronic control unit puies forward control signal transmission to automatically controlled again
On lift valve, the final promotion and decline for controlling hydraulic cylinder.
The utility model has the beneficial effects that：The utility model is simple in structure, and high degree of automation is, it can be achieved that hydraulic suspension
A variety of regulative modes of extension system；Using automatically controlled poppet, electro-hydraulic proportion reversing valve, electromagnetic relief valve, one-way throttle valve etc., generation
For the distributor of former tractor, it is convenient to manipulate, and intelligence degree is high, and simple in structure, saves space, tubing length is small, subtracts
Oil liquid leakage is lacked.
Description of the drawings
Fig. 1 is the structural schematic diagram of the electric-controlled hydraulic suspension arrangement in specific embodiment of the present invention；
Fig. 2 is the control principle drawing of the electric-controlled hydraulic suspension arrangement in specific embodiment of the present invention；
In figure, 1, electromagnetic relief valve, 2, electro-hydraulic proportion reversing valve, 3, one-way throttle valve, 4, hydraulic cylinder, 5, high filter pressed oil
Device, 6, hydraulic pump, 7, low-pressure filter, 8, fuel tank, 9, automatically controlled poppet.
Specific implementation mode
It is further described below by non-limiting embodiment and in conjunction with attached drawing to the utility model：
As shown in the picture, a kind of tractor electric-controlled hydraulic suspension arrangement comprising liquid includes hydraulic lift system, automatic control
System, signal detection and processing system processed, the hydraulic lift system include fuel tank 8, the single-acting hydraulic being connect with agricultural machinery and implement
Cylinder 4 passes sequentially through the low-pressure filter 7, hydraulic pump 6, high-pressure filter 5 of oil pipe connection, the suction inlet of the low-pressure filter 7
It is connected to the fuel tank 8, further includes having automatically controlled poppet 9, electro-hydraulic proportion reversing valve 2, electromagnetic relief valve 1, one-way throttle valve 3,
The input port of the automatically controlled poppet 9 is connect with the delivery outlet of the high-pressure filter 5, the electro-hydraulic proportion reversing valve 2 into
Hydraulic fluid port is connect with the delivery outlet of the automatically controlled poppet 9, and the oil outlet of the electro-hydraulic proportion reversing valve 2 passes through the one-way throttle
Valve 3 is connect with the rodless cavity of the single-action hydraulic cylinder 4, and the oil return opening of the electro-hydraulic proportion reversing valve 2 connects with the fuel tank 8
Logical, the oil inlet of the electromagnetic relief valve 1 is connect with the high-pressure filter 5, the oil outlet of the electromagnetic relief valve 1 with it is described
Fuel tank 8 is connected to, and the signal detection and processing system include pressure sensor and magnetic induction sensor, the automatic control system
Including electronic control unit, control panel, driving circuit, the control panel, driving circuit, pressure sensor, magnetic induction pass
Sensor is electrically connected with the electronic control unit, and automatically controlled poppet 9 is electrically connected with the driving circuit.Magnetic induction sensor is used
In converting magnetic signal to electric signal, for controlling each solenoid valve.The automatically controlled poppet is the prior art, electronic control unit
Intelligentized control method can be realized by automatically controlled poppet.
When utility model works, when 2 left end electromagnet of electro-hydraulic proportion reversing valve is powered, the high pressure oil of hydraulic pump output
By automatically controlled poppet 9, electro-hydraulic proportion reversing valve 2, the rodless cavity of hydraulic cylinder 4 is entered using the check valve of one-way throttle valve,
Agricultural machinery and implement are made to be promoted；When 2 right end electromagnet of electro-hydraulic proportion reversing valve is powered, while the electromagnet for controlling electromagnetic relief valve 1 is disconnected
Electricity, the then fluid that hydraulic pump exports flow back to fuel tank 8 by electromagnetic relief valve 1, and hydraulic pump is in unloading condition, conduct oneself with dignity in agricultural machinery and implement
Under effect, the liquid of hydraulic cylinder rodless cavity is discharged, and agricultural machinery and implement is made to decline, and discharged liquid is through one-way throttle valve, check valve
Fuel tank 8 is flowed back to electrohydraulic proportional directional valve.Agricultural Machinery Equipment experiences pressure in operation process, when pressure sensor and changes
When, output voltage changes, and the variation of output voltage feeds back to electronic control unit, and electronic control unit is again control signal
It is transferred on automatically controlled poppet 9, the final promotion and decline for controlling hydraulic cylinder 4.
Other parts in the present embodiment are the prior art, and details are not described herein.
Claims (1)
1. a kind of Agricultural Machinery Equipment electric-controlled hydraulic suspension arrangement, it is characterized in that：Including hydraulic lift system, automatic control system, letter
Number detection and processing system, the hydraulic lift system includes fuel tank (8), the single-action hydraulic cylinder being connect with agricultural machinery and implement (4), according to
The secondary low-pressure filter (7) connected by oil pipe, hydraulic pump (6), high-pressure filter (5), the sucking of the low-pressure filter (7)
Mouth is connected to the fuel tank (8), further includes having automatically controlled poppet (9), electro-hydraulic proportion reversing valve (2), electromagnetic relief valve (1), list
To throttle valve (3), the input port of the automatically controlled poppet (9) is connect with the delivery outlet of the high-pressure filter (5), described electro-hydraulic
The oil inlet of proportional reversing valve (2) is connect with the delivery outlet of the automatically controlled poppet (9), the electro-hydraulic proportion reversing valve (2)
Oil outlet is connect by the one-way throttle valve (3) with the rodless cavity of the single-action hydraulic cylinder (4), and the electric-hydraulic proportion is changed
It is connected to the oil return opening of valve (2) with the fuel tank (8), oil inlet and the high-pressure filter (5) of the electromagnetic relief valve (1)
Connection, the oil outlet of the electromagnetic relief valve (1) are connected to the fuel tank (8), and the signal detection includes pressure with processing system
Force snesor and magnetic induction sensor, the automatic control system include electronic control unit, control panel, driving circuit, institute
Control panel, driving circuit, pressure sensor, magnetic induction sensor is stated to be electrically connected with the electronic control unit, it is automatically controlled to carry
Lift valve (9) is electrically connected with the driving circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820340570.9U CN207945141U (en) | 2018-03-13 | 2018-03-13 | A kind of Agricultural Machinery Equipment electric-controlled hydraulic suspension arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820340570.9U CN207945141U (en) | 2018-03-13 | 2018-03-13 | A kind of Agricultural Machinery Equipment electric-controlled hydraulic suspension arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207945141U true CN207945141U (en) | 2018-10-09 |
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ID=63697005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820340570.9U Expired - Fee Related CN207945141U (en) | 2018-03-13 | 2018-03-13 | A kind of Agricultural Machinery Equipment electric-controlled hydraulic suspension arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207945141U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110431947A (en) * | 2019-08-09 | 2019-11-12 | 河南科技大学 | A kind of electrohydraulic hitch system for electric tractor |
| CN114962397A (en) * | 2022-07-28 | 2022-08-30 | 徐州徐工农业装备科技有限公司 | Machine electro-hydraulic lifting force position comprehensive control system and method and tractor |
-
2018
- 2018-03-13 CN CN201820340570.9U patent/CN207945141U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110431947A (en) * | 2019-08-09 | 2019-11-12 | 河南科技大学 | A kind of electrohydraulic hitch system for electric tractor |
| CN114962397A (en) * | 2022-07-28 | 2022-08-30 | 徐州徐工农业装备科技有限公司 | Machine electro-hydraulic lifting force position comprehensive control system and method and tractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181009 Termination date: 20210313 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |