CN103334989A - Hydraulic pressure oil tank interior pressure control system and mining dump vehicle - Google Patents
Hydraulic pressure oil tank interior pressure control system and mining dump vehicle Download PDFInfo
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- CN103334989A CN103334989A CN2013102839064A CN201310283906A CN103334989A CN 103334989 A CN103334989 A CN 103334989A CN 2013102839064 A CN2013102839064 A CN 2013102839064A CN 201310283906 A CN201310283906 A CN 201310283906A CN 103334989 A CN103334989 A CN 103334989A
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Abstract
The invention discloses a hydraulic pressure oil tank interior pressure control system and a mining dump vehicle. The hydraulic pressure oil tank interior pressure control system comprises a hydraulic pressure oil tank, a filter, an air inlet device and an air exhausting device, wherein the air inlet device and the air exhausting device are communicated in a one-way mode and communicated with the filter and the hydraulic pressure oil tank respectively. The communicated direction of the air inlet device is from the exterior of the hydraulic oil tank to the interior of the hydraulic oil tank, the air outside the hydraulic oil tank enters the hydraulic oil tank through the air inlet device after filtered by the filter. The communicated direction of the air exhausting device is from the interior of the hydraulic oil tank to the exterior of the hydraulic oil tank, and the air inside the hydraulic oil tank is exhausted out of the hydraulic oil tank through the air exhausting device after filtered by the filter. The hydraulic pressure oil tank interior pressure control system has the advantages of reducing the contact probability of hydraulic oil inside the hydraulic oil tank and the exterior air and improving the anti-pollution capacity of the hydraulic pressure oil tank.
Description
Technical field
The present invention relates to a kind of control pressurer system, particularly a kind of hydraulic oil container internal pressure control system and quarry tipper.
Background technique
Quarry tipper refers to that the mine is to finish the rock earthwork to peel off a kind of non-highway heavy-duty tipper that uses with the ore transport task in the open.Be applicable to all kinds of mines, hydraulic engineering; It is abominable to have environment, characteristics such as dust, rock dirt are big.Existing most of mine car hydraulic oil container control outside contamination adopts the method for the filter precision that improves constantly filter, is used for hydraulic system at running, reduces the introduced contaminants dust as far as possible and enters fuel tank; But this method not only will drop into too high cost in the precision work that improves filter, and solution introduced contaminants, dust that can't be basic enter fuel tank, pollutes the problem of hydraulic oil.
Summary of the invention
In view of this, the present invention proposes a kind of hydraulic oil container internal pressure control system and quarry tipper, enters the problem that hydraulic oil container pollutes hydraulic oil with solution introduced contaminants, dust.
For achieving the above object, technological scheme of the present invention is achieved in that
A kind of hydraulic oil container internal pressure control system is applied to the control of internal pressure of the hydraulic oil container of quarry tipper, and hydraulic oil container is used for providing hydraulic oil to the hydraulic element of quarry tipper; Hydraulic oil container internal pressure control system comprises hydraulic oil container, filter, air inlet system and venting gas appliance; Air inlet system and venting gas appliance are unidirectional conducting; Air inlet system and venting gas appliance are communicated with filter and hydraulic oil container respectively;
The conducting direction of air inlet system is that the external world from hydraulic oil container is in hydraulic oil container, the air in the external world of hydraulic oil container is through after the filtration of filter, enter hydraulic oil container by air inlet system, on the conducting direction of air inlet system, also have the one-way valve that stops the venting gas appliance conducting;
The conducting direction of venting gas appliance be from the hydraulic oil container to the external world of hydraulic oil container, air in the hydraulic oil container is by behind the venting gas appliance, the process filter is discharged to the external world of hydraulic oil container, also has the one-way valve that stops the air inlet system conducting on the conducting direction of venting gas appliance.
Above-mentioned hydraulic oil container internal pressure control system, wherein, hydraulic oil container internal pressure control system also comprises control gear, control gear is connected with venting gas appliance, is used for controlling the conducting of venting gas appliance and closing.
Above-mentioned hydraulic oil container internal pressure control system, wherein, air inlet system comprises breather check valve, sets the pressure that is used for stoping the breather check valve conducting at breather check valve.
Above-mentioned hydraulic oil container internal pressure control system, wherein, the air pressure in the external world of hydraulic oil container is P0, when the hydraulic oil in the hydraulic oil container was not worked, the air pressure in the hydraulic oil container was consistent with the air pressure in the external world of hydraulic oil container; When the hydraulic oil in the hydraulic oil container was sent to hydraulic element, the volume of the hydraulic oil in the hydraulic oil container reduced; When the hydraulic oil in the hydraulic oil container was reduced to minimum point, the volume of air in the hydraulic oil container was V1, and temperature is T1, and by formula P*V/T=K, wherein K is constant, and the minimum pressure that draws air in the hydraulic oil container is P1.
Above-mentioned hydraulic oil container internal pressure control system, wherein, be used for stoping the pressure of breather check valve conducting is Px, by Px is set, to satisfy the quantitative relation of P0-Px＜P1, is used for preventing that the air in the external world of hydraulic oil container from entering in the hydraulic oil container.
Above-mentioned hydraulic oil container internal pressure control system, wherein, venting gas appliance comprises exhaust check valve, sets the pressure that is used for stoping the exhaust check valve conducting at exhaust check valve.
Above-mentioned hydraulic oil container internal pressure control system, wherein, the air pressure in the external world of hydraulic oil container is P0, when the hydraulic oil in the hydraulic oil container was not worked, the air pressure in the hydraulic oil container was consistent with the air pressure in the external world of hydraulic oil container; When the hydraulic oil in the hydraulic element flowed back to hydraulic oil container, the volume of the hydraulic oil in the hydraulic oil container increased; When the hydraulic oil in the hydraulic oil container was increased to peak, the volume of air in the hydraulic oil container was V2, and temperature is T2, and by formula P*V/T=K, wherein K is constant, and the maximum pressure that draws air in the hydraulic oil container is P2.
Above-mentioned hydraulic oil container internal pressure control system, wherein, being used for stoping the pressure of exhaust check valve conducting is Pp, by Pp is set, to satisfy the quantitative relation of P2＜P0+Pp, is used for preventing that the air in the hydraulic oil container from flowing to the external world of hydraulic oil container.
In addition, a kind of quarry tipper wherein, is provided with above-mentioned hydraulic oil container internal pressure control system.
The beneficial effect of technique scheme is:
By formula P*V/T=K, wherein K is on the basis of constant, on the minimum pressure P1 of the air in the acquisition hydraulic oil container and the basis of maximum pressure P2, and then the pressure P x of adjusting air inlet system and the pressure P p of venting gas appliance, to satisfy the quantitative relation of P0-Px＜P1 and P2＜P0+Pp, guaranteed in the hydraulic element working procedure of quarry tipper, the air inlet system of the hydraulic oil container of quarry tipper and not conducting of venting gas appliance, and then guaranteed that respiratory movement does not take place hydraulic oil container, thereby reduced hydraulic oil in the hydraulic oil container and the contact probability of ambient air, improved the contamination resistance of hydraulic oil container self.
Description of drawings
The accompanying drawing that constitutes a part of the present invention is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not constitute improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is hydraulic oil container internal pressure control system embodiment's of the present invention structural representation.
Description of reference numerals
1, hydraulic oil container
2, filter
3, air inlet system
4, venting gas appliance
5, control gear
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technological scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment who obtains under the creative work prerequisite.
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the present invention can make up mutually.
Basic thought of the present invention is: design a kind of hydraulic oil container internal pressure control system, by air inlet system and venting gas appliance are set, to play the effect that minimizing introduced contaminants and dust enter hydraulic oil container internal contamination hydraulic oil.
Below in conjunction with accompanying drawing, each preferred embodiment of the present invention is described further:
A kind of hydraulic oil container internal pressure control system as shown in Figure 1 is applied to the control of internal pressure of the hydraulic oil container 1 of quarry tipper, and hydraulic oil container 1 is used for providing hydraulic oil to the hydraulic element of quarry tipper; Hydraulic oil container 1 internal pressure control system comprises hydraulic oil container 1, filter 2, air inlet system 3 and venting gas appliance 4; Air inlet system 3 and venting gas appliance 4 are unidirectional conducting; Air inlet system 3 and venting gas appliance 4 are communicated with filter 2 and hydraulic oil container 1 respectively;
The conducting direction of air inlet system 3 is that the external world from hydraulic oil container 1 is in hydraulic oil container 1, the air in the external world of hydraulic oil container 1 is through after the filtration of filter 2, enter hydraulic oil container 1 by air inlet system 3, on the conducting direction of air inlet system 3, also have the one-way valve that stops venting gas appliance 4 conductings;
The conducting direction of venting gas appliance 4 is from the hydraulic oil container 1 interior external world to hydraulic oil container 1, air in the hydraulic oil container 1 is by behind the venting gas appliance 4, process filter 2 is discharged to the external world of hydraulic oil container 1, also has the one-way valve that stops air inlet system 3 conductings on the conducting direction of venting gas appliance 4.
On the basis of technique scheme, further, air inlet system 3 can comprise breather check valve, sets the pressure P x that is used for stoping the breather check valve conducting at breather check valve; The air pressure in the external world of hydraulic oil container 1 is P0, and when the hydraulic oil in the hydraulic oil container 1 was not worked, the air pressure in the hydraulic oil container 1 was consistent with the air pressure in the external world of hydraulic oil container 1; When the hydraulic oil in the hydraulic oil container 1 was sent to hydraulic element, the volume of the hydraulic oil in the hydraulic oil container 1 reduced; When the hydraulic oil in the hydraulic oil container 1 was reduced to minimum point, the volume of air in the hydraulic oil container 1 was V1, and temperature is T1, and by formula P*V/T=K, wherein K is constant, and the minimum pressure that draws air in the hydraulic oil container 1 is P1; By pressure P x is set, to satisfy the quantitative relation of P0-Px＜P1, be used for preventing that the air in the external world of hydraulic oil container 1 from entering in the hydraulic oil container 1.
On the basis of technique scheme, further, venting gas appliance 4 can comprise exhaust check valve, sets the pressure P p that is used for stoping the exhaust check valve conducting at exhaust check valve; The air pressure in the external world of hydraulic oil container 1 is P0, and when the hydraulic oil in the hydraulic oil container 1 was not worked, the air pressure in the hydraulic oil container 1 was consistent with the air pressure in the external world of hydraulic oil container 1; When the hydraulic oil in the hydraulic element flowed back to hydraulic oil container 1, the volume of the hydraulic oil in the hydraulic oil container 1 increased; When the hydraulic oil in the hydraulic oil container 1 was increased to peak, the volume of air in the hydraulic oil container 1 was V2, and temperature is T2, and by formula P*V/T=K, wherein K is constant, and the maximum pressure that draws air in the hydraulic oil container 1 is P2; By pressure P p is set, to satisfy the quantitative relation of P2＜P0+Pp, be used for preventing that the air in the hydraulic oil container 1 from flowing to the external world of hydraulic oil container 1.
On the basis of technique scheme, further, hydraulic oil container 1 internal pressure control system also comprises control gear 5, and control gear 5 is connected with venting gas appliance 4, is used for controlling the conducting of venting gas appliance 4 and closing; Its role is to, by the operation that 5 pairs of venting gas appliance of operating control device 4 carry out conducting or cut out, the staff can be controlled according to the operating mode needs of quarry tipper to hydraulic oil container 1 inner air pressure.
From the various embodiments described above as can be seen, advantage of the present invention is:
Guaranteed in the hydraulic element working procedure of quarry tipper, the air inlet system of the hydraulic oil container of quarry tipper and not conducting of venting gas appliance, and then guaranteed that respiratory movement does not take place hydraulic oil container, thereby reduced hydraulic oil in the hydraulic oil container and the contact probability of ambient air, improved the contamination resistance of hydraulic oil container self.
The embodiment of the invention also provides a kind of quarry tipper, this quarry tipper is provided with above-mentioned any hydraulic oil container internal pressure control system, because above-mentioned any hydraulic oil container internal pressure control system has above-mentioned technique effect, therefore, the quarry tipper that is provided with this hydraulic oil container internal pressure control system also should possess corresponding technique effect, its specific implementation process is similar to the above embodiments, does not give unnecessary details now.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. hydraulic oil container internal pressure control system, be applied to the control of internal pressure of the hydraulic oil container (1) of quarry tipper, described hydraulic oil container (1) is used for providing hydraulic oil to the hydraulic element of described quarry tipper, it is characterized in that described hydraulic oil container internal pressure control system comprises hydraulic oil container (1), filter (2), air inlet system (3) and venting gas appliance (4); Described air inlet system (3) and described venting gas appliance (4) are unidirectional conducting; Described air inlet system (3) and described venting gas appliance (4) are communicated with described filter (2) and described hydraulic oil container (1) respectively;
The conducting direction of described air inlet system (3) is that the external world from described hydraulic oil container (1) is in described hydraulic oil container (1), the air in the external world of described hydraulic oil container (1) is after the filtration of described filter (2), enter described hydraulic oil container (1) by described air inlet system (3), on the conducting direction of described air inlet system (3), also have the one-way valve that stops described venting gas appliance (4) conducting;
The conducting direction of described venting gas appliance (4) is from the interior external world to described hydraulic oil container (1) of described hydraulic oil container (1), air in the described hydraulic oil container (1) is by behind the described venting gas appliance (4), be discharged to the external world of described hydraulic oil container (1) through described filter (2), on the conducting direction of described venting gas appliance (4), also have the one-way valve that stops described air inlet system (3) conducting.
2. hydraulic oil container internal pressure control system according to claim 1, it is characterized in that, described hydraulic oil container internal pressure control system also comprises control gear (5), described control gear (5) is connected with described venting gas appliance (4), is used for controlling the conducting of described venting gas appliance (4) and closing.
3. hydraulic oil container internal pressure control system according to claim 1 is characterized in that described air inlet system (3) comprises breather check valve, sets the pressure that is used for stoping described breather check valve conducting at described breather check valve.
4. as hydraulic oil container internal pressure control system as described in the claim 3, it is characterized in that, the air pressure in the external world of described hydraulic oil container (1) is P0, when the hydraulic oil in the described hydraulic oil container (1) was not worked, the air pressure in the described hydraulic oil container (1) was consistent with the air pressure in the external world of described hydraulic oil container (1); When the hydraulic oil in the described hydraulic oil container (1) was sent to described hydraulic element, the volume of the hydraulic oil in the described hydraulic oil container (1) reduced; When the hydraulic oil in the described hydraulic oil container (1) was reduced to minimum point, the volume of air in the described hydraulic oil container (1) was V1, and temperature is T1, and by formula P*V/T=K, wherein K is constant, and the minimum pressure that draws the interior air of described hydraulic oil container (1) is P1.
5. as hydraulic oil container internal pressure control system as described in the claim 4, it is characterized in that, being used for stoping the described pressure of described breather check valve conducting is Px, by Px is set, satisfying the quantitative relation of P0-Px＜P1, be used for preventing that the air in the external world of described hydraulic oil container (1) from entering in the described hydraulic oil container (1).
6. hydraulic oil container internal pressure control system according to claim 1 is characterized in that described venting gas appliance (4) comprises exhaust check valve, sets the pressure that is used for stoping described exhaust check valve conducting at described exhaust check valve.
7. as hydraulic oil container internal pressure control system as described in the claim 6, it is characterized in that, the air pressure in the external world of described hydraulic oil container (1) is P0, when the hydraulic oil in the described hydraulic oil container (1) was not worked, the air pressure in the described hydraulic oil container (1) was consistent with the air pressure in the external world of described hydraulic oil container (1); When the hydraulic oil in the described hydraulic element flowed back to described hydraulic oil container (1), the volume of the hydraulic oil in the described hydraulic oil container (1) increased; When the hydraulic oil in the described hydraulic oil container (1) was increased to peak, the volume of air in the described hydraulic oil container (1) was V2, and temperature is T2, and by formula P*V/T=K, wherein K is constant, and the maximum pressure that draws the interior air of described hydraulic oil container (1) is P2.
8. as hydraulic oil container internal pressure control system as described in the claim 7, it is characterized in that, being used for stoping the pressure of described exhaust check valve conducting is Pp, by pressure P p is set, to satisfy the quantitative relation of P2＜P0+Pp, be used for preventing that the air in the described hydraulic oil container (1) from flowing to the external world of described hydraulic oil container (1).
9. a quarry tipper is characterized in that, is provided with aforesaid right requirement 1-8 described hydraulic oil container internal pressure control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102839064A CN103334989A (en) | 2013-07-08 | 2013-07-08 | Hydraulic pressure oil tank interior pressure control system and mining dump vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102839064A CN103334989A (en) | 2013-07-08 | 2013-07-08 | Hydraulic pressure oil tank interior pressure control system and mining dump vehicle |
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| CN103334989A true CN103334989A (en) | 2013-10-02 |
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| CN2013102839064A Pending CN103334989A (en) | 2013-07-08 | 2013-07-08 | Hydraulic pressure oil tank interior pressure control system and mining dump vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269599A (en) * | 2017-06-30 | 2017-10-20 | 安徽江淮汽车集团股份有限公司 | It is dynamic to turn oil can cap assembly |
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| JP2013036533A (en) * | 2011-08-08 | 2013-02-21 | Hitachi Constr Mach Co Ltd | Air breather with filter |
| CN202914419U (en) * | 2012-11-29 | 2013-05-01 | 郑州宇通重工有限公司 | Prepressing-type hydraulic oil tank suitable for hydraulic system of mine self-discharging vehicle and hydraulic system of heavy-load self-discharging truck |
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2013
- 2013-07-08 CN CN2013102839064A patent/CN103334989A/en active Pending
Patent Citations (7)
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| JPH09119541A (en) * | 1995-10-24 | 1997-05-06 | Hitachi Constr Mach Co Ltd | Air breather for operating oil tank |
| CN201241883Y (en) * | 2008-08-19 | 2009-05-20 | 李依霏 | Pressurization hydraulic oil tank respirator |
| CN101782093A (en) * | 2009-11-17 | 2010-07-21 | 中航力源液压股份有限公司 | Dustproof method and device thereof of open type oil tank of hydraulic system |
| CN201866354U (en) * | 2010-11-23 | 2011-06-15 | 三一重机有限公司 | Breather valve |
| JP2013036533A (en) * | 2011-08-08 | 2013-02-21 | Hitachi Constr Mach Co Ltd | Air breather with filter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269599A (en) * | 2017-06-30 | 2017-10-20 | 安徽江淮汽车集团股份有限公司 | It is dynamic to turn oil can cap assembly |
| CN107269599B (en) * | 2017-06-30 | 2018-09-11 | 安徽江淮汽车集团股份有限公司 | Turn oil can cap assembly |
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Effective date of registration: 20151028 Address after: 110000, No. 25, development road, Shenyang economic and Technological Development Zone, Liaoning Applicant after: Sany Heavy Equipment Co.,Ltd. Address before: 215300 18 building, No. 9999 Lake Road, Kunshan Development Zone, Jiangsu, Suzhou Applicant before: Sany Mining Machinery Co., Ltd. |
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Application publication date: 20131002 |