CN208057567U - Differential flexible balance valve group for high-altitude operation vehicle - Google Patents
Differential flexible balance valve group for high-altitude operation vehicle Download PDFInfo
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- CN208057567U CN208057567U CN201820251936.5U CN201820251936U CN208057567U CN 208057567 U CN208057567 U CN 208057567U CN 201820251936 U CN201820251936 U CN 201820251936U CN 208057567 U CN208057567 U CN 208057567U
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- fluid port
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- differential
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Abstract
The utility model is suitable for technical field of hydraulic, provides a kind of differential flexible balance valve group for high-altitude operation vehicle, including the first balanced valve, the second balanced valve, differential electromagnetic valve, the first hydraulic fluid port, the second hydraulic fluid port, third hydraulic fluid port, the 4th hydraulic fluid port；The first end of first balanced valve is connect with the first hydraulic fluid port, and second end is connect with third hydraulic fluid port, and third hydraulic fluid port is connect with the big chamber of external telescopic oil cylinder；The first end of second balanced valve is connect with the second hydraulic fluid port, and second end is connect with the 4th hydraulic fluid port, and the 4th hydraulic fluid port is connect with the small chamber of external telescopic oil cylinder；Differential electromagnetic valve one end is connect with third hydraulic fluid port, and the other end is connect with the 4th hydraulic fluid port；The third end of first balanced valve also passes through the first oil circuit connection with the second oil inlet.Flexible balanced valve and differential circuit are integrated in a valve group by the differential flexible balance valve group provided by the utility model for high-altitude operation vehicle, simple in structure, and layout is convenient, and can greatly reduce contraction time, improve efficiency of stretching.
Description
Technical field
The utility model belongs to technical field of hydraulic, and in particular to a kind of for the differential flexible of high-altitude operation vehicle
Balance valve group.
Background technology
With the development of society, high-altitude operation vehicle has welcome high-speed development period.For straight-arm class high altitude vehicle, in order to reach one
Fixed lift height, usually by 2 sections more than, the straight-arm that is set in together is constituted.
The contraction time of flexible balance valve group in existing high-altitude operation vehicle is longer, stretches inefficient.
Utility model content
The purpose of the utility model is to overcome the flexible of balance valve group that stretch in above-mentioned high-altitude operation vehicle in the prior art
Time is longer, inefficient deficiency of stretching, and provides a kind of differential flexible balance valve group for high-altitude operation vehicle.
The utility model is realized in this way：For the differential flexible balance valve group of high-altitude operation vehicle, including the first balance
Valve, the second balanced valve, differential electromagnetic valve, the first hydraulic fluid port, the second hydraulic fluid port, third hydraulic fluid port, the 4th hydraulic fluid port；
Wherein, the first end of first balanced valve is connect with first hydraulic fluid port, and second end connects with the third hydraulic fluid port
It connects, the third hydraulic fluid port is connect with the big chamber of external telescopic oil cylinder；
The first end of second balanced valve is connect with second hydraulic fluid port, and second end is connect with the 4th hydraulic fluid port, institute
The 4th hydraulic fluid port is stated to connect with the small chamber of external telescopic oil cylinder；
Differential electromagnetic valve one end is connect with the second end of first balanced valve and third hydraulic fluid port, the other end and institute
State second end and the connection of the 4th hydraulic fluid port of the second balanced valve；
And the third end of first balanced valve also passes through the first oil circuit connection with second hydraulic fluid port.
As a preferred embodiment of the utility model, the of one end of the differential electromagnetic valve and first balanced valve
Two ends and the connection of third hydraulic fluid port, the other end are connect with the second end of second balanced valve and the 4th hydraulic fluid port.
As a preferred embodiment of the utility model, first oil circuit is equipped with damping hole.
A kind of differential flexible balance valve group for high-altitude operation vehicle provided by the utility model, compared with the existing technology,
Flexible balanced valve and differential circuit are integrated in a valve group, simple in structure, layout side by it by being provided with differential electromagnetic valve
Just, and contraction time can be greatly reduced, improves efficiency of stretching.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
It can be obtain other attached drawings according to these attached drawings.
The following drawings is only intended in doing schematic illustration and explanation to the utility model, does not limit the model of the utility model
It encloses.
Fig. 1 is the principle signal for the differential flexible balance valve group for high-altitude operation vehicle that the utility model embodiment provides
Figure.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Unless otherwise defined, the technical term or scientific terminology that the utility model uses are should be belonging to the utility model
The ordinary meaning that the personage with general technical ability is understood in field." first " that is used in the utility model, " second " and
Similar word is not offered as any sequence, quantity or importance, and is used only to distinguish different component parts.Equally,
"one", the similar word such as " one " or "the" do not indicate that quantity limits yet, but indicates that there are at least one." comprising " or
The similar word such as "comprising" means that the element or object that occur before the word cover the element for appearing in the word presented hereinafter
Either object and its equivalent and be not excluded for other elements or object.The similar word such as " connection " or " connected " not limits
Due to physics or mechanical connection, but may include electrical connection, either directly or indirectly."upper",
"lower", "left", "right" etc. are only used for indicating relative position relation, and after the absolute position for being described object changes, then this is opposite
Position relationship may also correspondingly change.
Embodiment
Referring to Fig. 1, the differential flexible balance valve group for high-altitude operation vehicle, including the first balanced valve 1a, the second balance
Valve 1b, differential electromagnetic valve 2, the first hydraulic fluid port V1, the second hydraulic fluid port V2, third hydraulic fluid port C1, the 4th hydraulic fluid port C2；
Wherein, the first end of the first balanced valve 1a is connect with the first hydraulic fluid port V1, and second end is connect with third hydraulic fluid port C1, the
Three hydraulic fluid port C1 are connect with the big chamber of external telescopic oil cylinder 3；
The first end of second balanced valve 1b is connect with the second hydraulic fluid port V2, and second end is connect with the 4th hydraulic fluid port C2, the 4th hydraulic fluid port
C2 is connect with the small chamber of external telescopic oil cylinder 3；
2 one end of differential electromagnetic valve is connect with third hydraulic fluid port C1, and the other end is connect with the 4th hydraulic fluid port C2；
And first the third end of balanced valve 1a also connect by the first oil circuit 4 with the second hydraulic fluid port V2.
Among the above, specifically, the differential flexible balance valve group for being used for high-altitude operation vehicle, when work, when telescopic oil cylinder 3 needs
When stretching out, the hydraulic oil come from high-altitude operation vehicle oil pump is entered by the first hydraulic fluid port V1, and then by the first balanced valve 1a
Check valve oil circuit is entered the big chamber of telescopic oil cylinder 3 by third hydraulic fluid port C1.
At this point, differential electromagnetic valve 2 it is electric, spool commutation work in bottom, realize the 4th hydraulic fluid port C2 to third hydraulic fluid port C1 it
Between connection, i.e., the hydraulic oil in the small chamber of telescopic oil cylinder 3 can be entered by the 4th hydraulic fluid port C2 at this time, by differential electromagnetic valve 2, by
Third hydraulic fluid port C1 is entered in the big chamber of telescopic oil cylinder 3, and differential connection when to realize that telescopic oil cylinder 3 stretches out is improved and stretched
The stretching speed of contracting oil cylinder 3.
Also, when telescopic oil cylinder 3 needs to withdraw, the hydraulic oil that high-altitude operation vehicle oil pump comes is entered by the second hydraulic fluid port V2,
By the check valve oil circuit on the second balanced valve 1b, the small chamber that the 4th hydraulic fluid port C2 enters telescopic oil cylinder 3 is crossed.
At this point, the hydraulic oil of the second hydraulic fluid port V2, the first balanced valve 1a can be also entered to by the first oil circuit 4, and then by
One balanced valve 1a is opened, and then the hydraulic oil in the big chamber of telescopic oil cylinder 3, can be entered by third hydraulic fluid port C1, flat by first
Weigh valve 1a, and then is returned in external fuel tank by the first hydraulic fluid port V1, to realize the withdrawal of telescopic oil cylinder 3.
As a preferred embodiment of the utility model, the second end of 2 one end of differential electromagnetic valve and the first balanced valve 1a with
And the C1 connections of third hydraulic fluid port, the other end are connect with the second balanced valve 1b and the 4th hydraulic fluid port C2；
It, can be with the first balanced valve 1a common sparings oil circuit or pipe when differential electromagnetic valve 2 is connect with third hydraulic fluid port C1 in turn
It road similarly, and then when differential electromagnetic valve 2 is connect with the 4th hydraulic fluid port C2 can be with the second balanced valve 1b common sparings oil circuit or pipe
Road, and then opposite production cost can be saved, ensure that overall structure is more compact, layout is relatively reasonable.
As a preferred embodiment of the utility model, the first oil circuit 4 is equipped with damping hole 5, and then by the second hydraulic fluid port V2
The hydraulic oil of entrance enter to the first balanced valve 1a by the first oil circuit 4, it is ensured that the steady opening of the first balanced valve 1a.
A kind of differential flexible balance valve group for high-altitude operation vehicle provided by the utility model, compared with the existing technology,
Flexible balanced valve and differential circuit are integrated in a valve group, simple in structure, layout side by it by being provided with differential electromagnetic valve
Just, and contraction time can be greatly reduced, improves efficiency of stretching.
There is the following to need to illustrate：
(1) unless otherwise defined, in the embodiments of the present invention and attached drawing, same label represents same meaning.
(2) in the utility model embodiment attached drawing, the structure being related to the utility model embodiment is related only to, other
Structure, which can refer to, to be commonly designed.
(3) for clarity, in the attached drawing for describing the embodiments of the present invention, the thickness quilt in layer or region
Amplification.It is appreciated that when the element of such as layer, film, region or substrate etc is referred to as being located at "above" or "below" another element,
The element " direct " can be located at "above" or "below" another element, or may exist intermediary element.
(4) in the absence of conflict, the feature in the same embodiment of the utility model and different embodiment can phase
Mutually combination.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
Any modification, equivalent replacement or improvement etc., should be included in the guarantor of the utility model made by within novel spirit and principle
Within the scope of shield.
Claims (3)
1. the differential flexible balance valve group for high-altitude operation vehicle, which is characterized in that including the first balanced valve (1a), the second balance
Valve (1b), differential electromagnetic valve (2), the first hydraulic fluid port (V1), the second hydraulic fluid port (V2), third hydraulic fluid port (C1), the 4th hydraulic fluid port (C2)；
Wherein, the first end of first balanced valve (1a) is connect with first hydraulic fluid port (V1), second end and third oil
Mouth (C1) connection, the third hydraulic fluid port (C1) connect with the big chamber of external telescopic oil cylinder (3)；
The first end of second balanced valve (1b) is connect with second hydraulic fluid port (V2), second end and the 4th hydraulic fluid port (C2)
Connection, the 4th hydraulic fluid port (C2) connect with the small chamber of external telescopic oil cylinder (3)；
One end of the differential electromagnetic valve (2) is connect with third hydraulic fluid port (C1), and the other end is connect with the 4th hydraulic fluid port (C2)；
And the third end of first balanced valve (1a) is also connect with second hydraulic fluid port (V2) by the first oil circuit (4).
2. being used for the differential flexible balance valve group of high-altitude operation vehicle as described in claim 1, which is characterized in that the differential electricity
One end of magnet valve (2) is connect with the second end of first balanced valve (1a) and third hydraulic fluid port (C1), the other end and described the
The second end of two balanced valves (1b) and the connection of the 4th hydraulic fluid port (C2).
3. being used for the differential flexible balance valve group of high-altitude operation vehicle as described in claim 1, which is characterized in that first oil
Road (4) is equipped with damping hole (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820251936.5U CN208057567U (en) | 2018-02-11 | 2018-02-11 | Differential flexible balance valve group for high-altitude operation vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820251936.5U CN208057567U (en) | 2018-02-11 | 2018-02-11 | Differential flexible balance valve group for high-altitude operation vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208057567U true CN208057567U (en) | 2018-11-06 |
Family
ID=63990463
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820251936.5U Expired - Fee Related CN208057567U (en) | 2018-02-11 | 2018-02-11 | Differential flexible balance valve group for high-altitude operation vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208057567U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2019275654B1 (en) * | 2019-09-06 | 2021-03-25 | Zhejiang Dingli Machinery Co., Ltd | Control valve, derricking cylinder and working method thereof, aerial work platform |
-
2018
- 2018-02-11 CN CN201820251936.5U patent/CN208057567U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2019275654B1 (en) * | 2019-09-06 | 2021-03-25 | Zhejiang Dingli Machinery Co., Ltd | Control valve, derricking cylinder and working method thereof, aerial work platform |
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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: 20181106 Termination date: 20220211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |