CN203161682U - Hydraulic oil tank, hydraulic system and engineering machine - Google Patents
Hydraulic oil tank, hydraulic system and engineering machine Download PDFInfo
- Publication number
- CN203161682U CN203161682U CN 201320050668 CN201320050668U CN203161682U CN 203161682 U CN203161682 U CN 203161682U CN 201320050668 CN201320050668 CN 201320050668 CN 201320050668 U CN201320050668 U CN 201320050668U CN 203161682 U CN203161682 U CN 203161682U
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- China
- Prior art keywords
- hydraulic
- oil
- hydraulic oil
- oil container
- filtrating equipment
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a hydraulic oil tank, a hydraulic system and an engineering machine. The hydraulic oil tank is provided with an oil discharge outlet which is connected with an oil discharge pipe connector, and further comprises a filtering device arranged inside the hydraulic oil tank, wherein the filtering device is communicated with the oil discharge outlet. Discharged oil in the hydraulic system can be filtered through the filtering device in the hydraulic oil tank, impurities such as iron chippings in oil are filtered and removed, the probability of polluting the oil in the hydraulic oil tank is reduced, accordingly, after the oil in the hydraulic oil tank enters a hydraulic loop, the probability that hydraulic elements are abraded in an aggravated mode due to the fact that the impurities such as the iron chippings which are mixed in the oil is reduced, and the service life of the hydraulic elements and the oil is prolonged. Meanwhile, according to the hydraulic oil tank, an external structure of an oil tank is not changed, and the difficulty of installing the oil tank in the whole device cannot be increased.
Description
Technical field
The utility model relates to mechanical field, particularly a kind of hydraulic oil container, be provided with the hydraulic system of this hydraulic oil container and be provided with the engineering machinery of this hydraulic system.
Background technique
At present, machinery especially all can use hydraulic system to keep the normal operation of element in the equipment in the engineering mechanical device.But in the hydraulic system that present machinery is used, each hydraulic element such as oil hydraulic pump, oil hydraulic motor, pilot valve are easy to cause the fuel tank oil contamination directly to the fuel tank draining.
Be example with the excavator, as shown in Figure 1, the oil hydraulic pump of excavator, oil hydraulic motor, various drain tap manual or foot-operated pilot valve pass through pump drain mast joint 2 ', motor drain mast joint 3 ', valve drain mast joint 4 ' respectively, directly be connected each the corresponding drain tap place on the hydraulic oil container 1 ', directly do not flow back to hydraulic oil container through filtering, often cause oil hydraulic pump, oil hydraulic motor, pilot valve inside as impurity such as iron filings, directly enter hydraulic oil container, fluid is polluted.Along with the accumulation of time, the quantity of impurity increases gradually, after contaminated fluid enters in the oil hydraulic circuit again in the fuel tank, the wearing and tearing of hydraulic element is increased gradually, has a strong impact on the working life of hydraulic element; Simultaneously, contaminated fluid also can be scrapped in advance, has increased cost.
Yet, if in order to address the above problem, and be that the drain tap of each hydraulic element increases filter, number of filters is too much, can cause installing inconvenience and the excessive problem of maintenance cost.
The model utility content
In view of this, the utility model proposes a kind of hydraulic oil container, be provided with the hydraulic system of this hydraulic oil container and be provided with the engineering machinery of this hydraulic system, this hydraulic oil container is provided with special filtrating equipment, can the draining of each hydraulic element in the hydraulic system be filtered, reduce the contaminated probability of fluid in the fuel tank, and can not increase the installation difficulty of hydraulic oil container.
On the one hand, the utility model provides a kind of hydraulic oil container, is provided with the drain tap that connects the drain mast joint, also comprises the filtrating equipment that is arranged on described hydraulic oil container inside, and described filtrating equipment is communicated with described drain tap.
Further, described hydraulic oil container inwall is provided with oil box, and described oil box comprises filler opening and oil outlet, and described filler opening is corresponding with described drain tap position, and described oil outlet is communicated with described filtrating equipment.
Further, the oil outlet of described oil box is provided with connecting tube, and described connecting tube is connected with described filtrating equipment.
Further, described connecting tube is threaded with described filtrating equipment.
Further, the filter precision of described filtrating equipment is 10 μ m.
Further, described drain tap comprises oil hydraulic motor drain tap, oil hydraulic pump drain tap and pilot valve drain tap.
On the other hand, the utility model also provides a kind of hydraulic system, is provided with aforesaid hydraulic oil container.
Another aspect, the utility model also provide a kind of engineering machinery, are provided with aforesaid hydraulic oil container.
Further, described engineering machinery is excavator.
Be provided with filtrating equipment in the hydraulic oil container in the utility model, and filtrating equipment is communicated with aforementioned each drain tap, when this hydraulic oil container inserts in the hydraulic system, can the draining that flow to fuel tank such as oil hydraulic pump, oil hydraulic motor etc. be filtered, fluid through after filtering enters hydraulic oil container.Filtrating equipment in this hydraulic oil container can filter the draining in the hydraulic system, with removing such as contaminant filters such as iron filings in the fluid, reduce the contaminated probability of fluid in the hydraulic oil container, and then after the fluid of hydraulic oil container enters in the oil hydraulic circuit, reduce hydraulic element because being mixed with the probability that impurity such as iron filings aggravate to wear and tear in the fluid, prolong the working life of hydraulic element and fluid; Simultaneously, this hydraulic oil container does not change the external structure of fuel tank, can not increase the installation difficulty of fuel tank in complete machine.
Above-mentioned hydraulic system and engineering machinery all adopt above-mentioned hydraulic oil container, therefore have the various technique effects identical with this hydraulic oil container, repeat no more.
Description of drawings
The accompanying drawing that constitutes a part of the present utility model is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not constitute improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the partial structurtes schematic representation of hydraulic oil container in the correlation technique;
The partial structurtes schematic representation of the hydraulic oil container that Fig. 2 provides for the utility model embodiment.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment in the utility model can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail:
As shown in Figure 2, embodiment of the present utility model provides a kind of hydraulic oil container 1, and this hydraulic oil container 1 is provided with the drain tap that connects the drain mast joint, also comprises the filtrating equipment 2 that is arranged on hydraulic oil container inside, and filtrating equipment 2 is communicated with drain tap.
The drain tap that arranges on the hydraulic oil container 1 among this embodiment can be respectively be connected with oil hydraulic pump drain mast joint 3, oil hydraulic motor drain mast joint 4 and pilot valve drain mast joint 5 in the hydraulic system, is respectively applied to oil hydraulic pump, oil hydraulic motor and pilot valve to the hydraulic oil container draining.Among other embodiments, on the fuel tank more drain taps can also be set, connect the more drain mast joint of multicomponent device.
Be provided with filtrating equipment 2 in the hydraulic oil container 1 among the utility model embodiment, and filtrating equipment 2 is communicated with aforementioned each drain tap, when this hydraulic oil container 1 inserts in the hydraulic system, can the draining that flow to fuel tank such as oil hydraulic pump, oil hydraulic motor etc. be filtered, fluid through after filtering enters hydraulic oil container 1.1 filtrating equipment 2 can filter the draining in the hydraulic system in this hydraulic oil container, with removing such as contaminant filters such as iron filings in the fluid, reduce the contaminated probability of fluid in the hydraulic oil container 1, and then after the fluid of hydraulic oil container 1 enters in the oil hydraulic circuit, reduce hydraulic element because being mixed with the probability that impurity such as iron filings aggravate to wear and tear in the fluid, prolong the working life of hydraulic element and fluid; Simultaneously, this hydraulic oil container 1 does not change the external structure of fuel tank, can not increase the installation difficulty of fuel tank in complete machine.
As shown in Figure 2, embodiment of the present utility model also provides a kind of preferred hydraulic oil container 1, also is provided with oil box 6 on the inwall of this hydraulic oil container 1, and oil box 6 comprises filler opening and oil outlet, filler opening is corresponding with the drain tap position on the hydraulic oil container, and oil outlet is communicated with filtrating equipment 2.The cross section of the oil box 6 shown in the figure is rectangle, and a side of the filler opening of oil box 6 is arranged on hydraulic oil container 1, be convenient to be opened in hydraulic oil container 1 wall on each drain tap be communicated with; The oil outlet of oil box 6 is provided with connecting tube 7, and this connecting tube 7 is connected with filtrating equipment 2, connected set oil box 6 and filtrating equipment 2.
Connecting tube 7 can be welded on the oil outlet place of oil box 6, also can be one-body molded with oil box 6, and present embodiment is not done restriction to this.Filtrating equipment 2 can directly be selected existing filter for use, be provided with internal thread in view of existing filter is many at the filler opening place, be threaded with other structures employings, the end that the connecting tube 7 in the present embodiment is connected with filtrating equipment 2 is provided with outside thread, realizes being threaded with filtrating equipment 2.
The filter precision of filtrating equipment 2 selects to take all factors into consideration the back pressure of filtering effect and generation, so that most impurity in the filtering fluid and do not produce bigger back pressure, filtrating equipment in the present embodiment 2 is preferred, and to adopt filter precisioies be the filter of 10 μ m; Filtrating equipment 2 also can be selected other filter precision in other embodiments.
Filtrating equipment 2 among this embodiment is arranged on the inside of hydraulic oil container 1, and be communicated with each drain tap that comprises oil hydraulic pump drain tap, oil hydraulic motor drain tap and pilot valve drain tap by oil box 6, the draining of its discharge is compiled the back filtration, reduce the contaminated probability of fluid in the hydraulic oil container, and then after the fluid of hydraulic oil container enters in the oil hydraulic circuit, reduce hydraulic element because being mixed with the probability that impurity such as iron filings aggravate to wear and tear in the fluid, prolong the working life of hydraulic element and fluid; And, utilize oil box to connect less filtrating equipment, preferably connect a filtrating equipment, can reduce the maintenance cost of filtrating equipment; The hydraulic oil container 1 that provides of this embodiment has improved the structure of fuel tank internal simultaneously, and external structure is not changed, and can not increase the installation difficulty of fuel tank on complete machine.
Correspondingly, the utility model embodiment also provides a kind of hydraulic system, is provided with aforesaid hydraulic oil container 1 in this hydraulic system.
Correspondingly, embodiment of the present utility model provides a kind of engineering machinery further, and this project machinery also is provided with aforesaid hydraulic oil container 1.This project machinery is preferably excavator.
The hydraulic system that the utility model embodiment provides and engineering machinery all adopt the above-mentioned hydraulic oil container of the utility model 1, therefore have the various advantages of this hydraulic oil container 1, repeat no more.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. a hydraulic oil container is provided with the drain tap that connects the drain mast joint, it is characterized in that, also comprises being arranged on the inner filtrating equipment of described hydraulic oil container (1), and described filtrating equipment (2) is communicated with described drain tap.
2. hydraulic oil container according to claim 1, it is characterized in that, described hydraulic oil container (1) inwall is provided with oil box (6), described oil box (6) comprises filler opening and oil outlet, described filler opening is corresponding with described drain tap position, and described oil outlet is communicated with described filtrating equipment (2).
3. hydraulic oil container according to claim 2 is characterized in that, the oil outlet of described oil box (6) is provided with connecting tube (7), and described connecting tube (7) is connected with described filtrating equipment (2).
4. hydraulic oil container according to claim 3 is characterized in that, described connecting tube (7) is threaded with described filtrating equipment (2).
5. according to any described hydraulic oil container among the claim 1-4, it is characterized in that the filter precision of described filtrating equipment (2) is 10 μ m.
6. according to any described hydraulic oil container among the claim 1-4, it is characterized in that described drain tap comprises oil hydraulic motor drain tap, oil hydraulic pump drain tap and pilot valve drain tap.
7. a hydraulic system is characterized in that, is provided with as any described hydraulic oil container among the claim 1-6.
8. an engineering machinery is characterized in that, is provided with as any described hydraulic oil container among the claim 1-6.
9. engineering machinery according to claim 8 is characterized in that, described engineering machinery is excavator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320050668 CN203161682U (en) | 2013-01-29 | 2013-01-29 | Hydraulic oil tank, hydraulic system and engineering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320050668 CN203161682U (en) | 2013-01-29 | 2013-01-29 | Hydraulic oil tank, hydraulic system and engineering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203161682U true CN203161682U (en) | 2013-08-28 |
Family
ID=49022869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320050668 Expired - Fee Related CN203161682U (en) | 2013-01-29 | 2013-01-29 | Hydraulic oil tank, hydraulic system and engineering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203161682U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939400A (en) * | 2014-05-09 | 2014-07-23 | 安徽星马专用汽车有限公司 | Oil tank for engineering machine |
| CN109114290A (en) * | 2018-10-19 | 2019-01-01 | 江苏神通阀门股份有限公司 | A kind of modified executing agency |
-
2013
- 2013-01-29 CN CN 201320050668 patent/CN203161682U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939400A (en) * | 2014-05-09 | 2014-07-23 | 安徽星马专用汽车有限公司 | Oil tank for engineering machine |
| CN109114290A (en) * | 2018-10-19 | 2019-01-01 | 江苏神通阀门股份有限公司 | A kind of modified executing agency |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20150129 |
|
| EXPY | Termination of patent right or utility model |