CN205503579U - Hydraulic oil tank - Google Patents
Hydraulic oil tank Download PDFInfo
- Publication number
- CN205503579U CN205503579U CN201620330341.XU CN201620330341U CN205503579U CN 205503579 U CN205503579 U CN 205503579U CN 201620330341 U CN201620330341 U CN 201620330341U CN 205503579 U CN205503579 U CN 205503579U
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- hydraulic oil
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- oil container
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Abstract
The utility model belongs to the technical field of fluid work systems technique and specifically relates to a hydraulic oil tank for having respiratory device is related to. Hydraulic oil tank includes the box, the bottom of box is provided with oil -out and oil return opening, the top of box is provided with the oiling mouth, the inside of box is provided with respiratory device, respiratory device is used for being linked together with the atmosphere. The utility model discloses a respiratory device and atmosphere are linked together, and the pressure balance that bore the inside and the outside of box that can enough make the box can make the hydraulic oil in the box keep apart with the air again, has effectively avoided impurity in the air and the inside of vapor through breathing mouth getting into the, and has leaded to the hydraulic oil solid grade in the box to exceed standard and the excess moisture to reduce the pollution of hydraulic oil, prolonged the life of hydraulic oil, provide the guarantee for hydraulic equipment's normal use.
Description
Technical field
This utility model relates to fluid operating systems technology field, especially relates to one and has breathing dress
The hydraulic oil container put.
Background technology
Hydraulic oil is the blood of whole hydraulic system, the quality of its quality directly influence Hydraulic Elements and
The performance of hydraulic system and life-span.According to statistics, the fault of hydraulic system 70% is above due to hydraulic pressure
The pollution of oil causes.Therefore, reasonable employment and the Environmental capacity of hydraulic oil are particularly important.
At present, hydraulic test use working condition the most severe, it is often necessary to high temperature, humidity,
Applying under dust and corrosive atmosphere, the pollution of hydraulic oil is largely because the knot of hydraulic oil container
Structure causes.Existing hydraulic oil container is typically all and arranges pneumostome at the top of casing, by breathing
Mouth is connected with air, to ensure the pressure balance inside and outside hydraulic oil container, but due to pneumostome only
Add filter, it is impossible to be adequately filtered out the fine solid particles that air brings from the external world, especially at electricity
The occasion of the dust especially severe such as factory, mining site, filter effect can be worse, some tiny solid particles
The inside of hydraulic oil container can be entered along with air, cause the solid pollution etc. of hydraulic oil in hydraulic oil container
Level exceeds standard；When hydraulic oil container uses on the facility such as boats and ships, naval vessels, due to environmental air humidity
Greatly, in the change procedure of day and night temperature, the steam in air enters hydraulic pressure easily by pneumostome
The inside of fuel tank, the inwall at hydraulic oil container condenses into solidifying water, accumulates over a long period and causes water in hydraulic oil container
Divide more and more, cause the life-span of hydraulic oil to be greatly shortened, make hydraulic means that various fault often to occur.
Utility model content
The purpose of this utility model is to provide a kind of hydraulic oil container with breathing equipment, existing to solve
Hydraulic oil container present in technology is had to be connected with air by pneumostome, solid tiny in air
Grain enters the inside of hydraulic oil container easily by pneumostome, causes hydraulic oil solid grade to exceed standard, simultaneously
Steam in air also enters the inside inwall at hydraulic oil container of hydraulic oil container easily by pneumostome
Condense, make hydraulic pressure water content in oil get more and more, cause the life-span of hydraulic oil significantly to reduce, make hydraulic pressure fill
Put the technical problem that various faults often occur.
A kind of hydraulic oil container that this utility model provides, including casing, the bottom of described casing is provided with
Oil-out and oil return opening, the top of described casing is provided with pouring orifice, being internally provided with of described casing
Breathing equipment, described breathing equipment is for being connected with air.
Further, described breathing equipment includes air bag and gas channel, described air bag and described air-flow
Passage is connected, and described gas channel is for being connected with air.
Further, the top of described casing is provided with pneumostome, described gas channel and described breathing
Mouth is connected.
Further, described hydraulic oil container also includes that breather valve group, described breather valve group include that first is single
Described casing is may be contained within to valve and the second check valve, described first check valve and described second check valve
Top.
Further, the quantity of described air bag is multiple, and the plurality of airbags leads to.
Further, described hydraulic oil container also includes hiding dust hood, and described screening dust hood is arranged at described breathing
The top of mouth.
Further, described oil return opening is provided with filter element, for filtering the impurity in hydraulic oil.
Further, described pouring orifice is provided with block, is used for sealing described pouring orifice.
Further, described block is provided with sealing gasket.
Further, described hydraulic oil container also includes air pump, for being arranged by the gas in described air bag
Go out.
The hydraulic oil container that this utility model provides, by arranging oil-out and oil return opening in the bottom of casing,
Enable hydraulic oil by oil-out for hydraulic test, the hydraulic oil after hydraulic test uses
The inside of casing is returned to, so that hydraulic oil can recycle by oil return opening；By the top at casing
Portion arranges pouring orifice, so that hydraulic oil can add to the inside of hydraulic oil container by pouring orifice, for liquid
The normal use of pressure equipment provides safeguard；By arranging breathing equipment in the inside of hydraulic oil container, breathe
Device, for communicating with air, so that the pressure of the inside of casing 101 is identical with the pressure of air, is kept away
Exempt from the pressure imbalance of the inside of casing and the outside of casing, cause the speed that hydraulic oil is discharged from oil-out
Spend soon or the slowest, affect the normal use of hydraulic test.It addition, this utility model is filled by breathing
Put and be connected with air, also make while making the pressure balance that the inside of casing and the outside of casing bear
Hydraulic oil in casing is effectively isolated with air, it is to avoid impurity in air and steam are by breathing
The inside of mouth entrance casing, and cause the hydraulic oil solid grade in casing to exceed standard and excess moisture, from
And decrease the pollution of hydraulic oil, extend the service life of hydraulic oil, normally making for hydraulic test
With providing guarantee.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical side of the prior art
Case, will make simply the accompanying drawing used required in detailed description of the invention or description of the prior art below
Introduce, it should be apparent that, the accompanying drawing in describing below is embodiments more of the present utility model, right
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
These accompanying drawings obtain other accompanying drawing.
The structural representation of the cross section of the hydraulic oil container that Fig. 1 provides for this utility model embodiment 1；
The structural representation of the cross section of the hydraulic pressure mailbox that Fig. 2 provides for this utility model embodiment 2.
Reference:
101-casing；102-oil-out；103-oil return opening；
104-pouring orifice；105-air bag；106-gas channel；
107-pneumostome；108-the first check valve；109-the second check valve；
110-hides dust hood；111-block.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, aobvious
So, described embodiment is a part of embodiment of this utility model rather than whole embodiments.
Based on the embodiment in this utility model, those of ordinary skill in the art are not making creative work
The every other embodiment obtained under premise, broadly falls into the scope of this utility model protection.
In description of the present utility model, it should be noted that term " " center ", " on ", D score, " left ",
Orientation or the position relationship of the instruction such as " right ", " vertically ", " level ", " interior ", " outward " are based on attached
Orientation shown in figure or position relationship, be for only for ease of description this utility model and simplify description, and
It not to indicate or imply that the device of indication or element must have specific orientation, with specific orientation structure
Make and operate, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " the
Two ", " the 3rd " be only used for describe purpose, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited,
Term " is installed ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixing even
Connect, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electricity
Connect；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two elements
Internal connection.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Language concrete meaning in this utility model.
Embodiment 1
The structural representation of the cross section of the hydraulic oil container that Fig. 1 provides for this utility model embodiment 1；
As it is shown in figure 1, the hydraulic oil container that the present embodiment provides, including casing 101, the bottom of described casing sets
Being equipped with oil-out 102 and oil return opening 103, the top of casing 101 is provided with pouring orifice 104, casing 101
Be internally provided with breathing equipment, breathing equipment is for being connected with air.
Hydraulic oil is the blood of whole hydraulic system, the quality of its quality directly influence Hydraulic Elements with
The performance of system and life-span.Therefore, reasonable employment and the Environmental capacity of hydraulic oil are particularly important.Due to
Hydraulic test working condition is the most severe, it is often necessary at rings such as high temperature, humidity, dust, aqueous corrosions
Using in the condition of border, hydraulic oil is just had higher requirement by this.According to statistics, hydraulic system
Fault 70% be above causing owing to hydraulic oil is contaminated.Therefore, analyze the reason of hydraulic oil pollution,
Particularly important to the quality efficiently controlling hydraulic oil.
At present, hydraulic oil container be typically all the top of casing is provided with pneumostome, by pneumostome with
Air is connected, and pneumostome adds filter, is filtered the impurity in hydraulic oil by filter, but by
Can not be adequately filtered out, in filter, the fine solid particles that air brings from the external world, especially power plant,
The occasion of the dust especially severes such as mining site, filter effect can be worse, and some tiny solid particles can be with
Air and entered the inside of hydraulic oil container by pneumostome, cause the solid pollution grade of hydraulic oil to exceed standard；
And when hydraulic oil container uses on the facility such as boats and ships, naval vessels, due to sea air high humidity, filter
Steam in air do not had any effect, the water in the change procedure of day and night temperature, in air
Steam enters the inside of hydraulic oil container easily by pneumostome, generates solidifying water on hydraulic oil container inwall,
Accumulate over a long period and cause moisture in hydraulic oil container to get more and more, cause the life-span of hydraulic oil to be greatly shortened, make
Often there is various fault in hydraulic means.
The hydraulic oil container that this utility model provides, by arranging oil-out 102 in the bottom of casing 101
With oil return opening 103, enable hydraulic oil to be exported by oil-out 102 and use for hydraulic test, pass through
Hydraulic oil after hydraulic test use can return to the inside of casing 101 by oil return opening 103, so that
Hydraulic oil can recycle；By arranging pouring orifice 104 at the top of casing 101 so that casing
Hydraulic pressure oil mass in 101 is very few, it is impossible to when meeting hydraulic test use, and can pass through pouring orifice 104 will
Outside hydraulic oil injects the inside of casing 101, and normal use for hydraulic test provides safeguard；Logical
Crossing and arrange breathing equipment in the inside of hydraulic oil container, breathing equipment is for communicating with air, so that casing
Pressure within 101 is identical with the pressure of air, it is to avoid the inside of casing 101 and the outside of casing 101
Atmospheric pressure uneven, affect the speed that hydraulic oil is discharged from oil-out 102, cause hydraulic test
Can not normally use.It addition, this utility model is communicated with air by breathing equipment, make liquid casing
While pressure balance inside and outside 101, additionally it is possible to make the hydraulic oil in casing 101 and air insulated, have
Effect is avoided the impurity in air and steam and is entered the inside of casing 101 by pneumostome, causes case
The hydraulic oil solid grade of the inside of body 101 exceeds standard or excess moisture, thus decreases the dirt of hydraulic oil
Dye, extends the service life of hydraulic oil, and normal use for hydraulic test provides guarantee.
As it is shown in figure 1, in this utility model, breathing equipment includes air bag 105 and gas channel 106,
Air bag 105 is connected with gas channel 106, and gas channel 106 is for being connected with air.
Breathing equipment provided by the utility model includes air bag 105 and gas channel 106, air bag 105
Being arranged at the inside of casing 101, air bag 105 can deform upon, air bag 105 and gas channel 106
Being connected, gas channel 106 is connected with air, so that the air in air can be led to by air-flow
Road 106 enters the inside of air bag 105, makes the pressure within air bag 105 identical with the pressure of air.
When the oil mass of the hydraulic oil of the inside of casing 101 very few can not for hydraulic test normally time,
Need in casing 101, to inject hydraulic oil by pouring orifice 104, at this moment need to compress air bag 106
To minimum volume, so that hydraulic oil can be full of whole casing 101.When the hydraulic oil in casing 101 with
Hydraulic oil equipment to use when gradually decreasing, the pressure in casing 101 reduces, the appearance of air bag 105
The pressure of the air that the pressure that face is born is born less than the inner surface of air bag 105,106, air bag
Raw dilatancy, the air in air enters the inside of air bag 105 by gas channel 106, so that
The pressure of the inside of air bag is identical with the pressure of air.Along with the volume of air bag 105 constantly increases, case
Space in body 106 is constantly extruded by air bag 105 so that the pressure of the inside of casing 101 is continuous
Increase, until the pressure of the inside of casing 101, the pressure that i.e. outer surface of air bag 105 is born with
When atmospheric pressure that the inner surface of air bag 105 is born is identical, air bag 105 stops expanding, casing 101
The pressure of inside identical with the pressure of the air of the outside of casing 101, thus avoid due to casing 101
The pressure imbalance that bears of the outer wall of the pressure that bears of inwall and casing 101, and make the hydraulic oil can not
Flow out from oil-out 102, affect the normal work of hydraulic test, but also be easily caused casing 101
Damaged.
In this utility model, in order to determine the volume of air bag 105, need the base according to hydraulic system
This 26S Proteasome Structure and Function calculates the maximum variable quantity of hydraulic oil when hydraulic system is run, according to this maximum change
Change amount calculates the volume of air bag 105, so that air bag 105 is when expanding into maximum rating, and casing 101
In hydraulic oil reach the minimum for hydraulic test.In this utility model, air bag 105
Material can be rubber, it is also possible to the material that can deform upon for other, it is also possible to according to client's
Need to select.
As it is shown in figure 1, in this utility model, the top of casing 101 is provided with pneumostome 107, gas
Circulation road 106 is connected with pneumostome 107.
For the ease of making gas channel 106 be connected with air, this utility model is on the top of casing 101
Portion is provided with pneumostome 107, and gas channel 106 is connected with pneumostome 107.When in air bag 105
When the pressure in portion is more than the pressure of the inside of casing 101, air bag 105 expands deformation, and air leads to
Cross pneumostome 107 to flow through gas channel 106 and enter in air bag 105, so that the inside of air bag 105
Pressure keeps identical with the pressure of air at any time；The pressure in the space of the inside of casing 101 is also with gas
The increase of the volume of capsule 105 and be constantly extruded so that the pressure of the inside of casing 101 constantly increases,
When the pressure of the inside of casing 101 increases to identical with the pressure of air, air bag 105 stops deformation,
Do not continue to supplement air to the inside of air bag 105.
As it is shown in figure 1, the hydraulic oil container that this utility model provides also includes breather valve group, breather valve group
Including the first check valve 108 and the second check valve 109, the first check valve 108 and the second check valve 109
May be contained within the top of casing 101.
In order to be further ensured that the pressure within casing 101 is identical with the pressure of air, this utility model
The hydraulic oil container provided is provided with breather valve group at the top of casing 101, and breather valve group includes that first is single
Phase valve 108 and the second check valve 109, the first check valve 108 allows gas into the inside of casing 101,
And do not allow gas to discharge from the inside of casing 101, when the pressure of the inside of casing 101 is less than air
Pressure time, the first check valve 108 opens, and the air in air is entered by the first check valve 108
The inside of casing 101, when the pressure within casing 101 is identical with the pressure of air, first is unidirectional
Valve 108 cuts out；Second check valve 109 allows gas to discharge from the inside of casing 101, and does not allows
Gas enters the inside of casing 101, when the pressure of the inside of casing 101 is more than the pressure of air,
Second check valve 109 is opened, and the gas of the inside of casing 101 is discharged by the second check valve 109,
When the pressure within casing 101 is identical with the pressure of air, the second check valve 109 is closed.At this
In utility model, breather valve group can be one, it is also possible to for multiple, it is also possible to according to casing 101
Volume determine.
As it is shown in figure 1, the hydraulic oil container that this utility model provides also includes hiding dust hood 110, hide dust hood
110 tops being arranged at pneumostome 107.
Owing to pneumostome 107 is connected with air, in air, dust or other impurity are easily by breathing
Mouth 107, in gas channel 106 enters air bag 105, thus affects the deformability of air bag 105,
Cause the pressure imbalance of the pressure within casing 101 and outside atmosphere, and make casing 101 damaged.
This utility model pneumostome 107 be provided above hide dust hood 110, can be by by hiding dust hood 110
Some dusts or other impurity intercept and are hiding outside dust hood 110, thus the dust being prevented effectively from air or
Other impurity enters in air bag 105, and the use for casing 101 provides guarantee.
In this utility model, oil return opening 103 is provided with filter element, miscellaneous for filter in hydraulic oil
Matter.
Filter element is to purify fluid resources and making fluid resources carry out the simple device separated.Filter element energy
Enough being separated with solid by the gas in liquid, after fluid flows through filter element, impurity is hindered by filter element
Gear, and the fluid after cleaning is flowed out by filter element.Filter element can make the liquid being contaminated reach certain
Cleanliness factor.
This utility model, by arranging filter element on oil return opening 103, makes after hydraulic test uses
When hydraulic oil flows back to the inside of casing 101, through filter element filtering, some impurity is intercepted at casing 101
Outside, make the hydraulic oil returned in casing 101 cleaned, thus extend the making of hydraulic oil further
With the life-span, provide safeguard for normally using of hydraulic test.
As it is shown in figure 1, in this utility model, pouring orifice 104 is provided with block 111, block
111 are used for sealed oiling mouth 104.
The hydraulic oil container that this utility model provides is connected with air by breathing equipment, at phase casing 101
Inside inject after hydraulic oil terminates, pouring orifice 104 needs to seal, thin with avoid in air
Little solid particle or steam enter the inside of casing 101 by pouring orifice 104, cause casing 101
In the solid pollution index exceeding standard of hydraulic oil or excess moisture, make the quality of hydraulic oil reduce, cause
The service life of hydraulic oil is greatly shortened, and also easily causes the various faults of hydraulic test.
This utility model passes through block 111 sealed oiling mouth 104, and block 111 can be sheathed on pouring orifice
On, it is also possible to it is sticked on pouring orifice.Can be by thorough with air for pouring orifice 111 by block 111
Isolation, thus provide for the hydraulic oil quality in casing 101 and ensure.
In this utility model, block 111 is provided with sealing gasket.
In order to further enhance the sealing effectiveness of block 111, the block 111 that this utility model provides sets
Being equipped with sealing gasket, the material of sealing gasket is rubber.
The hydraulic oil container that this utility model provides also includes air pump, for by described air bag 105
Gas is discharged.
When the hydraulic oil in casing 101 reaches the minimum that hydraulic test uses, need to pass through oiling
Mouth 104 gives replenisher force feed in casing 101, in order to make casing 101 can accommodate more hydraulic oil,
Need the volume compression of air bag 105 to minimum.The hydraulic oil container that this utility model provides is by bleeding
Gas in air bag 105 is discharged by pump, make the volume compression of air bag 105 to minimum so that casing
101 accommodate more liquid oil, it is to avoid oil injection operation frequently, to improve work efficiency.
Embodiment 2
The structural representation of the cross section of the hydraulic oil container that Fig. 2 provides for this utility model embodiment 2；
Describing embodiment 2 below in conjunction with Fig. 2, identical parts use reference same as in Example 1,
At this with reference to the description to embodiment one.Hydraulic oil container in the present embodiment is on the basis of embodiment one
Improvement, the technology contents not repeated description disclosed in embodiment one, embodiment one disclosure is also
Belonging to the present embodiment disclosure, the present embodiment repeats no more.
The present embodiment distinguishes with embodiment one, and the quantity of air bag 105 is multiple, multiple air bags
105 are connected.
As in figure 2 it is shown, for the speed of deformation accelerating air bag 105, it is to avoid there is gas in air bag 105
Body dead angle, in the present embodiment, the quantity of air bag 105 is multiple, and multiple air bags 105 are connected,
And multiple air bags 105 are all connected with gas channel 106, the air in air can be by breathing
Mouth 107 enters in gas channels 106, enters in air bag 105 after flowing through gas channel 106.Pass through
Arranging multiple air bag 105, the volume being prevented effectively from an air bag 105 is excessive, causes gas to enter air bag
The speed of the inside of 105 is the slowest, and the speed causing hydraulic oil to flow out from oil-out 102 is the slowest, affects liquid
The normal use of pressure equipment.
It is last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model,
It is not intended to limit；Although this utility model being described in detail with reference to foregoing embodiments,
It will be understood by those within the art that: it still can be to the skill described in foregoing embodiments
Art scheme is modified, or the most some or all of technical characteristic is carried out equivalent；And this
A little amendments or replacement, do not make the essence of appropriate technical solution depart from this utility model each embodiment skill
The scope of art scheme.
Claims (10)
1. a hydraulic oil container, it is characterised in that: include that casing, the bottom of described casing are provided with
Oil-out and oil return opening, the top of described casing is provided with pouring orifice, being internally provided with of described casing
Breathing equipment, described breathing equipment is for being connected with air.
Hydraulic oil container the most according to claim 1: it is characterized in that: described breathing equipment bag
Including air bag and gas channel, described air bag is connected with described gas channel, and described gas channel is used for
It is connected with air.
Hydraulic oil container the most according to claim 2, it is characterised in that: the top of described casing
Being provided with pneumostome, described gas channel is connected with described pneumostome.
Hydraulic oil container the most according to claim 3, it is characterised in that: also include breather valve group,
Described breather valve group includes the first check valve and the second check valve, described first check valve and described second
Check valve may be contained within the top of described casing.
Hydraulic oil container the most according to claim 2, it is characterised in that: the quantity of described air bag
For multiple, the plurality of airbags leads to.
Hydraulic oil container the most according to claim 3, it is characterised in that: also include hiding dust hood,
Described screening dust hood is arranged at the top of described pneumostome.
7. according to the hydraulic oil container according to any one of claim 1-6, it is characterised in that: described
Filter element it is provided with, for filtering the impurity in hydraulic oil on oil return opening.
8. according to the hydraulic oil container according to any one of claim 1-6, it is characterised in that: described
It is provided with block on pouring orifice, is used for sealing described pouring orifice.
Hydraulic oil container the most according to claim 8, it is characterised in that: described block is provided with
Sealing gasket.
10. according to the hydraulic oil container according to any one of claim 2-6, it is characterised in that: also wrap
Include air pump, for being discharged by the gas in described air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620330341.XU CN205503579U (en) | 2016-04-19 | 2016-04-19 | Hydraulic oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620330341.XU CN205503579U (en) | 2016-04-19 | 2016-04-19 | Hydraulic oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205503579U true CN205503579U (en) | 2016-08-24 |
Family
ID=56715863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620330341.XU Active CN205503579U (en) | 2016-04-19 | 2016-04-19 | Hydraulic oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205503579U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457936A (en) * | 2018-03-19 | 2018-08-28 | 浙江大学 | A kind of unpowered recharging oil device of enclosed |
| CN109058184A (en) * | 2018-09-20 | 2018-12-21 | 阜新北鑫星液压有限公司 | A kind of plug-in air bag type of respiration sanitation oil tank |
| CN112196787A (en) * | 2020-09-29 | 2021-01-08 | 北汽福田汽车股份有限公司 | Hydraulic pressure upset oil pump and vehicle that has it |
| CN113803305A (en) * | 2021-08-16 | 2021-12-17 | 中联重科土方机械有限公司 | Control method and control system of air pressure balance control device and engineering machinery |
| CN114267521A (en) * | 2021-12-17 | 2022-04-01 | 苏州博思得电气有限公司 | High-voltage transformer transformation oil tank |
| CN114278629A (en) * | 2021-11-24 | 2022-04-05 | 中联重科土方机械有限公司 | Hydraulic oil tank, hydraulic system and air pressure balancing method of hydraulic oil tank |
-
2016
- 2016-04-19 CN CN201620330341.XU patent/CN205503579U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457936A (en) * | 2018-03-19 | 2018-08-28 | 浙江大学 | A kind of unpowered recharging oil device of enclosed |
| CN109058184A (en) * | 2018-09-20 | 2018-12-21 | 阜新北鑫星液压有限公司 | A kind of plug-in air bag type of respiration sanitation oil tank |
| CN112196787A (en) * | 2020-09-29 | 2021-01-08 | 北汽福田汽车股份有限公司 | Hydraulic pressure upset oil pump and vehicle that has it |
| CN113803305A (en) * | 2021-08-16 | 2021-12-17 | 中联重科土方机械有限公司 | Control method and control system of air pressure balance control device and engineering machinery |
| CN113803305B (en) * | 2021-08-16 | 2024-04-02 | 中联重科土方机械有限公司 | Control method and control system of air pressure balance control device and engineering machinery |
| CN114278629A (en) * | 2021-11-24 | 2022-04-05 | 中联重科土方机械有限公司 | Hydraulic oil tank, hydraulic system and air pressure balancing method of hydraulic oil tank |
| CN114278629B (en) * | 2021-11-24 | 2024-03-22 | 中联重科土方机械有限公司 | Hydraulic oil tank, hydraulic system and air pressure balancing method of hydraulic oil tank |
| CN114267521A (en) * | 2021-12-17 | 2022-04-01 | 苏州博思得电气有限公司 | High-voltage transformer transformation oil tank |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |