CN207513967U - Harvester hydraulic control parallel system - Google Patents
Harvester hydraulic control parallel system Download PDFInfo
- Publication number
- CN207513967U CN207513967U CN201721635357.2U CN201721635357U CN207513967U CN 207513967 U CN207513967 U CN 207513967U CN 201721635357 U CN201721635357 U CN 201721635357U CN 207513967 U CN207513967 U CN 207513967U
- Authority
- CN
- China
- Prior art keywords
- oil
- mouth
- cylinder
- mouthfuls
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model belongs to technical field of hydraulic, specifically, it is related to harvester hydraulic control parallel system, it is sequentially connected in series including four and can the unloading portion of independent control, winder portion, ceding of Taiwan portion and turning part, oil pump and fuel tank, oil pump out of the mouth is connected with unloading portion, and oil pump oil inlet is connected with fuel tank.The utility model improves existing harvester hydraulic control system, by adding a throttle valve in winder portion, realize the function that unloading portion, winder portion and ceding of Taiwan portion only need an overflow valve that each portion's pressure is just adjusted, so as to reduce the quantity of overflow valve in system, simplify system complexity, system failure rate is reduced, improves system stability and safety.
Description
Technical field
The utility model belongs to technical field of hydraulic, in particular to harvester hydraulic control parallel system.
Background technology
At present, harvester hydraulic control system is generally all by dialling standing grain unit, unloading unit, ceding of Taiwan unit and steering unit
Composition, and be to be connected in series between each unit, form harvester hydraulic control train.There are two for above-mentioned train
Aspect shortcoming：First, interior discharge is big；Second is that during harvester operation, need dial standing grain unit, unloading unit, ceding of Taiwan unit with
And an overflow valve is set to adjust pressure on steering unit respectively, harvester correlation cylinder action could be realized in this way.This is not only
So that the element of existing hydraulic control train is more, complicated, the cost of hydraulic control train is also improved.
Utility model content
To solve drawbacks described above of the existing technology, the utility model provides harvester hydraulic control parallel system.
The technical solution of the utility model is as follows：
The utility model provides a kind of harvester hydraulic control parallel system, is sequentially connected in series including four and can be only
The vertical unloading portion controlled, winder portion, ceding of Taiwan portion and turning part, oil pump and fuel tank, oil pump out of the mouth are connected with unloading portion, oil pump
Oil inlet is connected with fuel tank.
Above-mentioned unloading portion includes the first plunger cylinder being sequentially connected in series, the first check valve and the one or three six logical machinery
Valve, wherein P, P of the one or three six logical mechanical valves1Mouthful connected with oil pump out of the mouth, T mouthfuls of fuel tanks connect, A mouthfuls and first unidirectionally
Valve connection, control oil communication, the A of B mouthfuls and the first check valve1Mouth is connected with winder portion.
Above-mentioned winder portion includes the second plunger cylinder, the second check valve and the two or the three six logical machines that are sequentially connected in series
Tool valve, wherein P, P of the two or three six logical mechanical valves1A of the mouth with the one or three six logical mechanical valves1Mouth connection, T mouthfuls of fuel tanks connect
It is logical, A mouthfuls connected with the second check valve, control oil communication, the A of B mouthfuls and the second check valve1Mouth connects, and above-mentioned with ceding of Taiwan portion
Throttle valve is also connected on the A mouths of two or three six logical mechanical valves, throttle valve oil outlet is connected with fuel tank.
Above-mentioned ceding of Taiwan portion includes first piston oil cylinder, second piston oil cylinder and 3 position-5 way mechanical valve, wherein 3 position-5 way
The A of the P mouths of mechanical valve and the two or three six logical mechanical valves1Mouth connection, P1Mouth is connected by Y shape oil pipe with turning part, T mouthfuls of fuel tanks
Connection, A mouthfuls connected with first piston oil cylinder rodless cavity, B mouthfuls connected with second piston oil cylinder rodless cavity, first piston oil cylinder in addition
Rod chamber is connected with second piston cylinder rod chamber.
Above-mentioned turning part includes third piston oil-cylinder, the 4th piston oil-cylinder and five seven logical mechanical valves, wherein five seven logical
The P mouths of mechanical valve are connected with the first branched pipe of Y shape oil pipe, P1Mouthful connected with fuel tank, T mouthfuls be closed circuit, T1Mouth and Y shape oil pipe
Second branched pipe connection, A mouthfuls connected with third piston oil-cylinder rodless cavity, A1Mouthful connected with the 4th piston oil-cylinder rodless cavity, B mouthfuls and
4th piston oil-cylinder rod chamber connects, and third piston oil-cylinder rod chamber and the connection of the 4th piston oil-cylinder rod chamber.
In embodiment provided by the utility model, above-mentioned oil pump out of the mouth, which goes out, is also connected with the first overflow valve, oil pump oil inlet
Mouth is sequentially connected with filter and hydraulic oil cooler.
In embodiment provided by the utility model, the second branched pipe of above-mentioned Y shape oil pipe is equipped with the second overflow valve.
In embodiment provided by the utility model, above-mentioned ceding of Taiwan portion further includes bidirectional hydraulic lock, bidirectional hydraulic lock oil inlet
Mouthful connected respectively with A, B of 3 position-5 way mechanical valve mouth, bidirectional hydraulic lock oil outlet respectively with first piston oil cylinder rodless cavity, the
Two piston oil-cylinder rodless cavities connect.
Advantageous effect：The utility model improves existing harvester hydraulic control system, by winder portion
As soon as adding throttle valve, the work(that unloading portion, winder portion and ceding of Taiwan portion only need an overflow valve that each portion's pressure is adjusted is realized
Can, so as to reduce the quantity of overflow valve in system, system complexity is simplified, reduces system failure rate, improves system
Stability and safety.
Description of the drawings
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
The restriction to range is should be considered as, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 harvester hydraulic control parallel system structure charts provided by the utility model；
Fig. 2 the one or three six logical mechanical valve structure charts provided by the utility model；
Fig. 3 the two or three six logical mechanical valve structure charts provided by the utility model；
Fig. 43 position-5 way mechanical valve structure charts provided by the utility model；
Fig. 5 five seven logical mechanical valve structure charts provided by the utility model.
Shown in figure：100- harvester hydraulic control parallel systems；1- fuel tanks；2- oil pumps；20- oil pump oil inlets；21- oil
Pump out hydraulic fluid port；3- unloadings portion；The first plunger cylinders of 30-；The first check valves of 31-；The one or three six logical mechanical valves of 32-；320-
One handle；4- winders portion；The second plunger cylinders of 40-；The second check valves of 41-；The two or three six logical mechanical valves of 42-；420-
Two handles；43- throttle valves；430- throttle valve oil outlets；5- cedings of Taiwan portion；50- first piston oil cylinders；51- second piston oil cylinders；
52- 3 position-5 way mechanical valves；520- third handles；53-Y shape oil pipes；The first branched pipes of 530-；531- second branched pipes；6- turns
To portion；60- third piston oil-cylinders；The 4th piston oil-cylinders of 61-；Five seven logical mechanical valves of 62-；The 4th handles of 620-；7- first overflows
Flow valve；8- filters；9- hydraulic oil coolers；The second overflow valves of 10-；11- bidirectional hydraulic locks；110- bidirectional hydraulic lock oil inlets
Mouthful；111- bidirectional hydraulic lock oil outlets.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, below in conjunction with this practicality
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is the embodiment of a part of embodiment of the utility model rather than whole.Therefore, below
It is new that the detailed description of the embodiment of the utility model to providing in the accompanying drawings is not intended to limit this claimed practicality
The range of type, but it is merely representative of the selected embodiment of the utility model.Based on the embodiment in the utility model, ability
The every other embodiment that domain those of ordinary skill is obtained without creative efforts, belongs to this practicality
Novel protected range.
In the description of the present invention, it is to be appreciated that the term of indicating position or position relationship is based on attached drawing
Shown orientation or position relationship are for only for ease of description the utility model and simplify description rather than instruction or imply institute
The equipment or element of finger must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that this reality
With novel limitation.
In the utility model unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be
Mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, can be two
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It can be in direct contact including the first and second features, it is not to be in direct contact but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right over two features and oblique upper is merely representative of fisrt feature level height higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below immediately below second feature and obliquely downward or be merely representative of fisrt feature level
Highly it is less than second feature.
Embodiment：
Harvester hydraulic control parallel system 100, be sequentially connected in series including four and can independent control unloading portion 3,
Winder portion 4, ceding of Taiwan portion 5 and turning part 6, oil pump 2 and fuel tank 1, oil pump out of the mouth 21 are connected with unloading portion 3, oil pump oil inlet
20 connect with fuel tank 1.
Above-mentioned unloading portion 3 includes the first plunger cylinder 30 being sequentially connected in series, the first check valve 31 and the one or three six
Logical mechanical valve 32, wherein P, P of the one or three six logical mechanical valves 321It mouthful is connected with oil pump out of the mouth 21, T mouthfuls and fuel tank 1 connect
It is logical, A mouthfuls connected with the first check valve 31, control oil communication, the A of B mouthfuls and the first check valve 311Mouth is connected with winder portion 4.
Above-mentioned winder portion 4 includes the second plunger cylinder 40 being sequentially connected in series, the second check valve 41 and the two or three
Six logical mechanical valves 42, wherein P, P of the two or three six logical mechanical valves 421A of the mouth with the one or three six logical mechanical valves 321Mouth is even
Logical, T mouthfuls of fuel tanks 1 connect, A mouthfuls connected with the second check valve 41, control oil communication, the A of B mouthfuls and the second check valve 411Mouthful and
Ceding of Taiwan portion 5 connects, and is also connected with throttle valve 43,430 He of throttle valve oil outlet on the A mouths of above-mentioned two or three six logical mechanical valves 42
Fuel tank 1 connects.
Specifically, above-mentioned throttle valve 43 is used to adjust the hydraulic system pressure in winder portion 4, to reach winder portion 4
Hydraulic system pressure is less than the hydraulic system pressure in unloading portion 3, ceding of Taiwan portion 5.
Above-mentioned ceding of Taiwan portion 5 includes first piston oil cylinder 50, second piston oil cylinder 51 and 3 position-5 way mechanical valve 52, wherein three
The P mouths of five logical mechanical valves 52 of position and the A of the two or three six logical mechanical valves 421Mouth connection, P1Mouth passes through Y shape oil pipe 53 and turning part 6
Connection, T mouthful fuel tanks 1 connect, A mouthfuls connected with 50 rodless cavity of first piston oil cylinder, B mouthfuls and 51 rodless cavity of second piston oil cylinder company
Logical, 50 rod chamber of first piston oil cylinder is connected with 51 rod chamber of second piston oil cylinder in addition.
Above-mentioned turning part 6 includes third piston oil-cylinder 60, the 4th piston oil-cylinder 61 and five seven logical mechanical valves 62, wherein five
The P mouths of seven logical mechanical valves 62 of position are connected with the first branched pipe 530 of Y shape oil pipe 53, P1Mouthful connected with fuel tank 1, T mouthfuls be closed circuit, T1
Mouth is connected with the second branched pipe 531 of Y shape oil pipe 53, A mouthfuls and the connection of 60 rodless cavity of third piston oil-cylinder, A1Mouth and the 4th piston
61 rodless cavity of oil cylinder connection, B mouthful connected with 61 rod chamber of the 4th piston oil-cylinder, and 60 rod chamber of third piston oil-cylinder and the 4th work
Fill in the connection of 61 rod chamber of oil cylinder.
In embodiment provided by the utility model, above-mentioned oil pump out of the mouth 21, which goes out, is also connected with the first overflow valve 7, oil pump into
Hydraulic fluid port 20 is sequentially connected with filter 8 and hydraulic oil cooler 9.
In embodiment provided by the utility model, the second branched pipe 531 of above-mentioned Y shape oil pipe 53 is equipped with the second overflow
Valve 10.
Specifically, above-mentioned first overflow valve 7 is used to adjust the pressure of entire hydraulic system, and the second overflow valve 10 is used to adjust
Save the pressure of turning part hydraulic system.
In embodiment provided by the utility model, above-mentioned ceding of Taiwan portion 5 further includes bidirectional hydraulic lock 11, bidirectional hydraulic lock 11
Oil inlet connected respectively with A, B of 3 position-5 way mechanical valve 52 mouth, the oil outlet of bidirectional hydraulic lock 11 respectively with first piston
50 rodless cavity of oil cylinder, the connection of 51 rodless cavity of second piston oil cylinder.
The operation principle of harvester hydraulic control parallel system 100 provided in this embodiment is：Start oil pump 2, pass through control
Corresponding oil cylinder elevating function can be realized in the mechanical valve for making each portion, specific as follows：
Unloading portion 3：Start oil pump 2, the hydraulic oil at oil pump out of the mouth 21 is entered in unloading portion 3：Pull first handle
320 make the one or three six logical mechanical valves 32, and therefrom (position shown in figure is middle position, and the left side of middle position is left position, right for position to left position
Side be right position, for the mechanical valve of three or more, be then followed successively by the first from left position, the second from left position ... from left to right, similarly from right to left according to
Secondary right one, two, the right side ...), then P, A mouth connection of the one or three six logical mechanical valves 32, hydraulic oil pass through the first check valve 31
Enter in the first plunger cylinder 30 afterwards, the first plunger cylinder 30 rises, and unloading portion 3 rises, and after suitable position is risen to, pulls
First handle 320 makes the one or three six logical mechanical valves 32 restore to middle position, and the hydraulic oil in such oil pump 2 can be used for continuing to control
Make other positions；Make the one or three six logical mechanical valves 32 therefrom position to right position when pulling first handle 320, then the one or three six leads to
The P of mechanical valve 321, B mouthfuls of connections, hydraulic oil is by controlling oil circuit to open the first check valve 31, simultaneously because the one or three six logical
A, T mouth connection of mechanical valve 32, the plunger rod of the first plunger cylinder 30 declines under its Gravitative Loads, and the second plunger cylinder 40
In hydraulic oil flow back into fuel tank 1, unloading portion 3 declines, and after suitable position is dropped to, pulling first handle 320 makes first
Three six logical mechanical valves 32 are restored to middle position.
Winder portion 4：After starting oil pump 2, when the one or three six logical mechanical valves 32 are in middle position, oil pump out of the mouth at this time
The P that hydraulic oil at 21 passes through the one or three six logical mechanical valves 321、A1Mouth enters winder portion 4：When pulling second handle 420
Make the two or three six logical mechanical valves 42 therefrom position to left position, then P, A mouth connection of the two or three six logical mechanical valves 42, hydraulic oil lead to
Enter in the second plunger cylinder 40 after crossing the second check valve 41, the second plunger cylinder 40 rises, and winder portion 4 rises, and works as rising
To after suitable position, pulling second handle 420 makes the two or three six logical mechanical valves 42 restore to middle position, the liquid in such oil pump 2
Pressure oil can be used for continuing to control other positions；Make the two or three six logical mechanical valves 42 when pulling second handle 420 therefrom position is extremely
The P of right position, then the two or three six logical mechanical valves 421, B mouthfuls connection, hydraulic oil by control oil circuit open the second check valve 41, together
When due to A, T mouth connection of the two or three six logical mechanical valve 42, the plunger rod in the second plunger cylinder 40 is under its Gravitative Loads
Declining, the hydraulic oil in the second plunger cylinder 40 is flow back into fuel tank 1, and winder portion 4 declines, after suitable position is dropped to,
Pulling second handle 420 makes the two or three six logical mechanical valves 42 restore to middle position.
Ceding of Taiwan portion 5：After starting oil pump 2, the one or three six logical mechanical valves 32 and the two or three six logical mechanical valves 42 are in
During middle position, the hydraulic oil at oil pump out of the mouth 21 passes sequentially through the P of the one or three six logical mechanical valves 321、A1Mouthful and the two or three six
The P of logical mechanical valve 421、A1Enter ceding of Taiwan portion 5 after mouthful：Make therefrom position to the left side of 3 position-5 way mechanical valve 52 when pulling third handle 520
Behind position, then hydraulic oil is locked into hydraulic fluid port after P, A mouth of 3 position-5 way mechanical valve 52 into Double-hydraulic, and Double-hydraulic lock is opened at this time,
Hydraulic oil lock out the rodless cavity that hydraulic fluid port enters first piston oil cylinder 50 through Double-hydraulic, and first piston oil cylinder 50 rises, and second lives
Plug oil cylinder 51 declines, and the portion of the ceding of Taiwan at this time 5 rises another side decline on one side, after ceding of Taiwan portion 5 is adjusted to suitable position, pulls third
Handle 520 makes 3 position-5 way mechanical valve 52 restore to middle position, and Double-hydraulic, which is locked, at this time closes, and the hydraulic oil in oil pump 2 can be used for
Continue to control other each portions；After pulling third handle 520 and making therefrom position to the right position of 3 position-5 way mechanical valve 52, then hydraulic oil passes through
Hydraulic fluid port is locked into Double-hydraulic after P, A mouth of 3 position-5 way mechanical valve 52, Double-hydraulic lock is opened at this time, and hydraulic oil is locked through Double-hydraulic
Oil outlet enters the rodless cavity of second piston oil cylinder 51, and second piston oil cylinder 51 rises, and first piston oil cylinder 50 declines, at this time
Ceding of Taiwan portion 5 rises another side decline on one side, and after ceding of Taiwan portion 5 is adjusted to suitable position, pulling third handle 520 makes 3 position-5 way
Mechanical valve 52 is restored to middle position, at this time Double-hydraulic lock closing.
Turning part 6：After starting oil pump 2, when the one or three six logical 32, the 2nd 3 six logical mechanical valves 42 of mechanical valve and three
When five logical mechanical valves 52 are in middle position, the hydraulic oil at oil pump out of the mouth 21 passes sequentially through the one or three six logical mechanical valve 32
P1、A1Mouthful, the P of the two or three six logical mechanical valve 421、A1Enter turning part 6 after mouth and Y shape oil pipe 53：When pulling the 4th handle
620 make five seven logical mechanical valves 62 therefrom position to the second from left position when, hydraulic oil along P, A mouthfuls enter third piston oil-cylinder 60 without bar
Chamber, third piston oil-cylinder 60 rise, and the 4th piston oil-cylinder 61 declines, and turning part 6 starts to rotate to some direction, turns to and completes
Afterwards, restore five seven logical mechanical valves 62 to middle position；Make five seven logical mechanical valves 62 therefrom position to right side two when pulling the 4th handle 620
During position, hydraulic oil is along P, A1Mouth enters the rodless cavity of the 4th piston oil-cylinder 61, and the 4th piston oil-cylinder 61 rises, third piston oil-cylinder
60 decline, A, the P of the hydraulic oil in third piston oil-cylinder 60 along five seven logical mechanical valves 621Mouth flows into fuel tank 1, and turning part 6 is opened
Begin to rotate in the opposite direction to a upper side, after the completion of steering, restore five seven logical mechanical valves 62 to middle position.
Harvester hydraulic control parallel system provided in this embodiment has the beneficial effect that：The utility model is to existing harvesting
Machine hydraulic control system is improved, by adding a throttle valve in winder portion, realizing unloading portion, winder portion and cutting
Platform portion only needs an overflow valve that the function of each portion's pressure is just adjusted, and so as to reduce the quantity of overflow valve in system, simplifies
System complexity reduces system failure rate, improves system stability and safety.
The above not makees the utility model limitation in any form, although the utility model is with preferably real
It is disclosed above to apply example, however is not limited to the utility model, any person skilled in the art is not departing from this reality
With in new technique aspects, when the technology contents using the disclosure above make a little change or are modified to equivalent variations
Equivalent embodiment, as long as being the content without departing from technical solutions of the utility model, according to the technical essence of the utility model to
Any simple modification, equivalent change and modification that upper embodiment is made, in the range of still falling within technical solutions of the utility model.
Claims (4)
1. harvester hydraulic control parallel system, which is characterized in that be sequentially connected in series including four and can independent control unload
Grain portion, winder portion, ceding of Taiwan portion and turning part, oil pump and fuel tank, oil pump out of the mouth are connected with unloading portion, oil pump oil inlet and oil
Case connects；
The unloading portion includes the first plunger cylinder, the first check valve and the one or the three six logical mechanical valves that are sequentially connected in series,
P, P of wherein the one or three six logical mechanical valves1Mouth is connected with oil pump out of the mouth, T mouthfuls of fuel tanks connections, A mouthfuls and the first check valves
Connection, control oil communication, the A of B mouthfuls and the first check valve1Mouth is connected with winder portion；
The winder portion includes the second plunger cylinder being sequentially connected in series, the second check valve and the two or three six logical machinery
Valve, wherein P, P of the two or three six logical mechanical valves1A of the mouth with the one or three six logical mechanical valves1Mouth connects, T mouthfuls of fuel tanks connect,
A mouthfuls connected with the second check valve, control oil communication, the A of B mouthfuls and the second check valve1Mouth connects, and described second with ceding of Taiwan portion
Throttle valve is also connected on the A mouths of three six logical mechanical valves, throttle valve oil outlet is connected with fuel tank；
The ceding of Taiwan portion includes first piston oil cylinder, second piston oil cylinder and 3 position-5 way mechanical valve, wherein 3 position-5 way machinery
The A of the P mouths of valve and the two or three six logical mechanical valves1Mouth connection, P1Mouth is connected by Y shape oil pipe with turning part, T mouthfuls of fuel tanks connect,
A mouthfuls connected with first piston oil cylinder rodless cavity, B mouthfuls connected with second piston oil cylinder rodless cavity, and first piston cylinder rod chamber
It is connected with second piston cylinder rod chamber；
The turning part includes third piston oil-cylinder, the 4th piston oil-cylinder and five seven logical mechanical valves, wherein five seven logical machineries
The P mouths of valve are connected with the first branched pipe of Y shape oil pipe, P1Mouthful connected with fuel tank, T mouthfuls be closed circuit, T1Mouth and the second of Y shape oil pipe
Branched pipe connection, A mouthfuls connected with third piston oil-cylinder rodless cavity, A1Mouth is connected with the 4th piston oil-cylinder rodless cavity, B mouthfuls and the 4th
Piston oil-cylinder rod chamber connects, and third piston oil-cylinder rod chamber and the connection of the 4th piston oil-cylinder rod chamber.
2. harvester hydraulic control parallel system according to claim 1, which is characterized in that the oil pump out of the mouth goes out also
The first overflow valve is connected with, oil pump oil inlet is sequentially connected with filter and hydraulic oil cooler.
3. harvester hydraulic control parallel system according to claim 1, which is characterized in that the second of the Y shape oil pipe
Branched pipe is equipped with the second overflow valve.
4. harvester hydraulic control parallel system according to claim 1, which is characterized in that the ceding of Taiwan portion further includes double
To hydraulic lock, bidirectional hydraulic lock oil inlet connects respectively with A, B of 3 position-5 way mechanical valve mouth, bidirectional hydraulic lock oil outlet difference
It is connected with first piston oil cylinder rodless cavity, second piston oil cylinder rodless cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721635357.2U CN207513967U (en) | 2017-11-29 | 2017-11-29 | Harvester hydraulic control parallel system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721635357.2U CN207513967U (en) | 2017-11-29 | 2017-11-29 | Harvester hydraulic control parallel system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207513967U true CN207513967U (en) | 2018-06-19 |
Family
ID=62542201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721635357.2U Active CN207513967U (en) | 2017-11-29 | 2017-11-29 | Harvester hydraulic control parallel system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207513967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111480448A (en) * | 2020-04-08 | 2020-08-04 | 江苏大学 | Header hybrid-action lifting system and method and harvester |
-
2017
- 2017-11-29 CN CN201721635357.2U patent/CN207513967U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111480448A (en) * | 2020-04-08 | 2020-08-04 | 江苏大学 | Header hybrid-action lifting system and method and harvester |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107600376B (en) | Multifunctional integrated energy-saving type adjustable ballast system of full-sea deep submersible vehicle | |
| CN201581382U (en) | Electro-hydraulic proportional control piston type two-lifting-point hydraulic hoist | |
| CN107588328B (en) | Constant pressure, liquid injection and liquid discharge multifunctional integrated device of cooling liquid circulating system | |
| CN207513967U (en) | Harvester hydraulic control parallel system | |
| CN105951703A (en) | Hydraulic system for gear and rack type lifting mechanism | |
| CN110847859B (en) | Intelligent well completion downhole flow valve ground control ultrahigh pressure hydraulic system | |
| CN107725510A (en) | The synchronous leveling control oil circuit for driving small loop wheel machine supporting leg | |
| CN209083712U (en) | A kind of leveling hydraulic system of high-altitude operation vehicle | |
| CN204175686U (en) | A kind of bender hydraulic system | |
| CN208803515U (en) | A kind of multimode peak regulation laminating water supply equipment | |
| CN106917782A (en) | A kind of device for preventing discharging valve for top of blast furnace hydraulic cylinder and pipeline evacuation | |
| CN208651298U (en) | A kind of high-altitude operation vehicle static pressure leveling system | |
| CN207961100U (en) | A kind of hydraulic control system of flap valve device | |
| CN206738286U (en) | A kind of intelligent oil cylinder cooling system | |
| CN207135443U (en) | Rotary cultivator lift control system | |
| CN206860568U (en) | LNG/L CNG hydraulic pressure intensifiers and gas station | |
| CN207064357U (en) | A kind of garbage-compressing tailstock door hydraulic control system and garbage compression vehicle | |
| CN107830000A (en) | Stacker-reclaimer pitching hydraulic system | |
| CN209638136U (en) | A kind of vehicle-mounted hydraulic jacking system integrated control valve group | |
| CN207848071U (en) | A kind of harvester chassis hydraulic control system | |
| CN208774991U (en) | A kind of plunger type steering engine with Closed Hydraulic pipeline | |
| CN207647872U (en) | Harvester header and winder hydraulic control system | |
| CN207437476U (en) | A kind of Blast Furnace Throat Ventilation Valve hydraulic control circuit | |
| CN114321047A (en) | Energy-saving valve bank for parallel control of header lifting and traveling steering of harvester | |
| CN105275903B (en) | A kind of oil cylinder high-precise synchronization control hydraulic system of super large jumbo |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181116 Address after: 212300 Danbei Town Industrial Park, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu World Agricultural Machinery Co., Ltd. Address before: 213000 Industrial Park of Danbei Town, Danyang City, Zhenjiang City, Jiangsu Province Patentee before: Jiangsu Zhenji Machinery Manufacturing Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 212300 Danbei Town Industrial Park, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu wode Agricultural Machinery Co., Ltd Address before: 212300 Danbei Town Industrial Park, Zhenjiang City, Jiangsu Province Patentee before: JIANGSU WORLD AGRICULTURAL MACHINERY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |