CN217327944U - Oil return pipeline of hydraulic station and self-cooling hydraulic system used by same - Google Patents
Oil return pipeline of hydraulic station and self-cooling hydraulic system used by same Download PDFInfo
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- CN217327944U CN217327944U CN202123389075.8U CN202123389075U CN217327944U CN 217327944 U CN217327944 U CN 217327944U CN 202123389075 U CN202123389075 U CN 202123389075U CN 217327944 U CN217327944 U CN 217327944U
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Abstract
The invention provides a hydraulic station oil return pipeline and a self-cooling hydraulic system used by the same, which comprise an oil return pipe communicated with an oil tank and a breathing pipe, wherein two ends of the breathing pipe are respectively communicated with the oil return pipe and the oil tank; through set up the respiratory tube between oil tank and time oil pipe, can not only the delivery part return oil pipe in the hydraulic oil that flows back to the oil tank to when returning oil pipe and breaking circuit suddenly, the respiratory tube can circulate the air in the oil tank and be used for the buffering, and the impact force that hydraulic oil brought under the water hammer effect in the dispersion returns oil pipe has reduced the vibration of oil tank greatly, and makes the joint department of returning oil pipe and oil tank difficult bursting apart increase of service life. The application provides a from cooling hydraulic system has stable in structure, not fragile, the noise is little, advantages such as long service life.
Description
Technical Field
The disclosure relates to the technical field of hydraulic equipment, in particular to an oil return pipeline of a hydraulic station and a self-cooling hydraulic system used by the oil return pipeline.
Background
The working performance of a hydraulic system of the engineering machinery directly influences the reliability of the whole engineering machinery, and the hydraulic oil is used as a medium for transferring energy, has the functions of cooling, lubricating and preventing rust and plays a very important role in the normal operation of the hydraulic system. The hydraulic oil enters the hydraulic working system, the oil temperature can rise continuously in the working process, and in order to prevent the mechanical working efficiency from being reduced due to the fact that the oil temperature is too high and becomes thin, the hydraulic oil needs to be cooled, and the normal working temperature of the hydraulic oil is enabled to be recovered.
At present, some related technical solutions of hydraulic systems with cooling function exist in the prior art, for example, the publication number is: the invention patent of CN107322979A discloses a hydraulic press oil tank, and specifically discloses that the hydraulic press oil tank includes: the oil tank body, return oil pipe and cooling module, return oil pipe and oil tank body intercommunication, cooling module includes oil tank cooling part and returns oil pipe cooling part, and the oil tank cooling part includes first coolant tank, oil tank cooling tube and water pump, and the oil tank cooling tube setting is at the oil tank originally internally, and first coolant tank passes through water pump and oil tank cooling tube intercommunication, and it includes second coolant tank to return oil pipe cooling part, returns the oil pipe and passes through second coolant tank. Oil return pipe and oil tank body intercommunication among this technical scheme, hydraulic oil is through returning oil pipe and carrying, and hydraulic oil produces great impact force easily when returning oil pipe open circuit, not only can make the oil tank vibration, and the joint department of oil pipe and oil tank leads to the oil impregnate moreover easily to damage, influences the use.
From the content disclosed in the prior art, the hydraulic system in practical use at present can not effectively buffer the hydraulic oil of the oil return pipeline, so that the joint of the oil return pipe and the oil tank is prone to cracking, oil leakage at the joint is caused, and the oil tank vibrates greatly, so that large noise is easily generated, and the use is affected.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the hydraulic system oil tank vibration that exists among the prior art big, easy oil impregnate, the big scheduling problem of noise, provide a hydraulic pressure station oil return pipeline and self-cooling hydraulic system who uses thereof, have the vibration less, not fragile, the noise is less, advantages such as long service life.
One of the concepts of the present disclosure is to provide a hydraulic station oil return pipeline, which specifically includes an oil return pipe communicated with an oil tank, and further includes a breathing pipe, two ends of the breathing pipe are respectively communicated with the oil return pipe and the oil tank, and one end of the breathing pipe communicated with the oil tank is located above a liquid level of the oil tank and is used for buffering hydraulic oil of the oil return pipe; through set up the respiratory tube between oil tank and time oil pipe, can not only the delivery part return oil pipe in the hydraulic oil that flows back to the oil tank to when returning oil pipe and breaking circuit suddenly, the respiratory tube can circulate the air in the oil tank and be used for the buffering, and the impact force that hydraulic oil brought under the water hammer effect in the dispersion returns oil pipe has reduced the vibration of oil tank greatly, and makes the joint department of returning oil pipe and oil tank difficult bursting apart increase of service life.
Furthermore, the end part of one end of the breathing tube communicated with the oil tank is close to the top of the oil tank.
Furthermore, the end part of one end of the oil return pipe communicated with the oil tank is positioned below the end part of one end of the breathing pipe communicated with the oil tank.
Among this technical scheme, the tip through the one end with respiratory tube and oil tank intercommunication sets up in the oil tank, this tip is close to the oil tank top, thereby the tip that realizes the one end of respiratory tube and oil tank intercommunication is located oil tank liquid level top, make can the circulation gas in the respiratory tube, and set up the tip that returns oil tube and oil tank intercommunication one end in the below of respiratory tube and oil tank intercommunication one end tip, can be cushioned by the gas in the respiratory tube when making the intraductal water hammer effect that takes place of oil return, reduce the vibration of oil tank, the noise reduction.
Furthermore, the present disclosure may also provide a self-cooling hydraulic system, including an oil tank, an oil return pipe, and a cooling mechanism, where an oil inlet end of the cooling mechanism is communicated with the oil tank, and an oil outlet end of the cooling mechanism is communicated with an oil inlet end of the working module; and an oil return pipeline is arranged between the oil tank and the oil outlet end of the working module.
In this technical scheme, the work module includes motor, pump and valves, and through setting up cooling body's oil feed end and oil tank intercommunication, cooling body's the end of producing oil and the oil feed end intercommunication of work module for hydraulic oil in the oil tank is directly carried to the work module after the cooling, improves hydraulic system work efficiency, reduces the energy consumption.
Furthermore, the oil inlet end of the cooling mechanism is connected with a first pipeline, the first pipeline is used for conveying hydraulic oil in the oil tank to the cooling mechanism, the oil outlet end of the cooling mechanism is connected with a second pipeline, and the second pipeline is used for conveying the hydraulic oil to the working module.
Furthermore, the first pipeline is provided with an auxiliary pump, and the auxiliary pump is used for providing power for hydraulic oil conveying.
This technical scheme utilizes first pipeline to cool off mechanism and oil tank intercommunication for hydraulic oil in the oil tank cools off in carrying to cooling mechanism through first pipeline, utilizes second pipeline intercommunication cooling mechanism and work module, and the hydraulic oil after the cooling mechanism cooling is carried to work module through the second pipeline. Because hydraulic oil can constantly heat up under operating condition, the high temperature can influence hydraulic pressure subassembly availability factor, damages hydraulic pressure subassembly easily, through set up cooling body in hydraulic pressure subassembly, utilizes the cooling tube to carry hydraulic oil for hydraulic oil is effectively cooled off, and then reduces the influence to hydraulic pressure subassembly availability factor, increase of service life.
Furthermore, a safety pipeline is arranged on the oil outlet end of the cooling mechanism or the second pipeline, one end of the safety pipeline is communicated with the oil outlet end of the cooling mechanism or the second pipeline, and the other end of the safety pipeline is communicated with the oil tank.
Further, the safety pipeline is provided with a one-way valve.
This technical scheme is used for communicateing cooling body's the end of producing oil or second pipeline through the one end that sets up the safety line, make the kneck form the tee bend, thereby when cooling body or auxiliary pump break down, hydraulic oil still can be through the smooth and easy current of safety line, improve hydraulic assembly's work efficiency, on the other hand, through setting up the check valve, make the safety line only can provide a hydraulic oil flow direction, prevent that the hydraulic oil that cools off is through safety line delivery tank, avoid the repeated cooling of hydraulic oil to improve the energy consumption, prevent the hydraulic oil that safety line dispersion second pipeline carried, avoid influencing hydraulic assembly's work efficiency.
Furthermore, the oil return pipeline is the oil return pipeline of the hydraulic station. Among this technical scheme, through setting up the respiratory tube for whole hydraulic assembly is in balanced state, also avoids cooling body to vibrate too big unstability, and the noise reduction prolongs hydraulic assembly life.
Furthermore, the present disclosure may also provide a self-cooling hydraulic system, including an oil tank, a working module, and a cooling mechanism, where both an oil inlet end and an oil outlet end of the cooling mechanism are communicated with the oil tank, and the oil inlet end is located below the oil outlet end; the cooling mechanism is also provided with an auxiliary pump, and the auxiliary pump is used for providing power for conveying hydraulic oil; an oil return pipeline is arranged between the oil tank and the oil outlet end of the working module, and an oil inlet pipe is arranged between the oil tank and the oil inlet end of the working module. Among this technical scheme, the oil feed end through setting up cooling body is located an oil end below for hydraulic oil in the oil tank can be fully cooled off, improves hydraulic system's work efficiency, and be provided with into oil pipe between the oil feed end of oil tank and work module, the oil pipe can carry the hydraulic oil that the oil tank internal cooling was crossed to the work module, and on the other hand when cooling body breaks down, can not influence the oil tank and carry hydraulic oil for work module, reduces the influence to work efficiency.
Furthermore, the oil return pipeline is the oil return pipeline of the hydraulic station. Among this technical scheme, through setting up the respiratory tube for whole hydraulic assembly is in balanced state, also avoids cooling body to vibrate too big unstability, and the noise reduction prolongs hydraulic assembly life.
The invention provides a hydraulic station oil return pipeline and a self-cooling hydraulic system used by the same, which comprise an oil return pipe communicated with an oil tank and a breathing pipe, wherein two ends of the breathing pipe are respectively communicated with the oil return pipe and the oil tank; through set up the respiratory tube between oil tank and time oil pipe, can not only the delivery part return oil pipe in the hydraulic oil that flows back to the oil tank to when returning oil pipe and breaking circuit suddenly, the respiratory tube can circulate the air in the oil tank and be used for the buffering, and the impact force that hydraulic oil brought under the water hammer effect in the dispersion returns oil pipe has reduced the vibration of oil tank greatly, and makes the joint department of returning oil pipe and oil tank difficult bursting apart increase of service life. The application provides a from cooling hydraulic system has stable in structure, not fragile, the noise is little, advantages such as long service life.
Drawings
The present disclosure will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the present disclosure. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.
FIG. 1: the structure of embodiment 1 of the present disclosure;
FIG. 2: the structure of embodiment 2 of the present disclosure is schematically illustrated;
FIG. 3: the structure of embodiment 3 of this disclosure is schematically depicted.
Wherein, 1, an oil tank; 2. an oil return pipe; 3. a working module; 4. a breathing tube; 5. a cooling mechanism; 6. a first pipeline; 7. a second pipeline; 8. an auxiliary pump; 9. a safety line; 10. a one-way valve; 11. an oil inlet pipe.
Detailed Description
The present disclosure will be described in detail below with reference to fig. 1 to 3.
In order to make the objects, technical solutions and advantages of the present disclosure more clearly understood, the present disclosure is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the disclosure and are not intended to limit the disclosure.
Example 1
As shown in fig. 1, the present embodiment provides a hydraulic station returns oil pipe way, specifically include the oil return pipe 2 that communicates with oil tank 1, still include breathing tube 4, the one end tip that breathing tube 4 and oil tank 1 communicate is located oil tank 1 liquid level top, when returning oil pipe 2 and breaking suddenly, the air that breathing tube 4 can circulate in the oil tank 1 is used for buffering the hydraulic oil in the oil return pipe 2, the hydraulic oil impact force that brings under the water hammer effect in the dispersion oil return pipe 2, under the buffering of breathing tube 4, the impact force that returns oil pipe 2 and bore is dispersed, thereby the joint department of protection oil return pipe 2 and oil tank 1 does not break, and the vibration of oil tank 1 is reduced greatly, the noise also reduces.
The end part of the breathing tube 4 communicated with the oil tank 1 extends into the oil tank 1, and the end part is close to the top of the oil tank 1, so that the breathing tube 4 only circulates air as far as possible; the end part of the oil return pipe 2 communicated with the oil tank 1 extends into the oil tank 1, and the end part is close to the bottom of the oil tank 1; not only return the hydraulic oil that oil pipe 2 can make full use of in the oil tank 1, respiratory tube 4 forms the tee bend structure with returning oil pipe 2 intercommunication department moreover, and oil tank 1 forms a circulation pipeline with returning oil pipe 2, not only can help returning oil pipe 2 through respiratory tube 4 and carry hydraulic oil, can also fully cushion the hydraulic oil in returning oil pipe 2, reduces oil tank vibration, noise reduction, improvement work efficiency.
Example 2
As shown in fig. 2, the embodiment provides a self-cooling hydraulic system, including oil tank 1, work module 3, cooling mechanism 5, the oil feed end of cooling mechanism 5 communicates through first pipeline 6 with oil tank 1, the oil feed end of cooling mechanism 5 communicates through second pipeline 7 with the oil feed end of work module 3, work module 3 includes the motor, pump and valves, work module 3 is used for connecting working parts such as hydro-cylinder, be provided with back oil pipe way between the oil feed end of oil tank 1 and work module 3, when hydraulic assembly is in operating condition, the temperature of hydraulic oil can rise constantly, and then influence hydraulic assembly's work efficiency, through set up cooling mechanism 5 in hydraulic assembly, make hydraulic oil can cool off through cooling mechanism 5, avoid the influence of temperature rise to work efficiency.
Further, hydraulic oil in the oil tank 1 is conveyed to the cooling mechanism 5 through the first pipeline 6 for cooling, the first pipeline 6 is provided with the auxiliary pump 8, the auxiliary pump 8 is used for providing power for hydraulic oil conveying, the cooled hydraulic oil is conveyed to the working module 3 through the second pipeline 7, the working efficiency of the hydraulic assembly is improved, and the whole oil circuit is operated more quickly under the assistance of the auxiliary pump 8.
Furthermore, a safety pipeline 9 is arranged on the oil outlet end of the cooling mechanism 5 or the second pipeline 7, one end of the safety pipeline 9 is communicated with the oil outlet end of the cooling mechanism 5 or the second pipeline 7, so that a three-way structure is formed at the joint, the other end of the safety pipeline 9 is communicated with the oil tank 1, in actual use, the cooling mechanism 5 or the auxiliary pump 8 is prone to malfunction, thereby affecting the delivery of hydraulic oil by the second pipeline 7, the tee joint structure at the joint ensures that the oil way is always smooth, avoids the influence on the whole assembly, and through setting up check valve 10 for safe pipeline 9 can only be carried hydraulic oil to second pipeline 7 from oil tank 1, avoids the hydraulic oil that cools off in the second pipeline 7 to flow back to oil tank 1 through safe pipeline 9, not only increases the energy consumption, also influences the efficiency that second pipeline 7 carried hydraulic oil, and then influences hydraulic assembly's work efficiency.
Furthermore, the oil return line in this embodiment is the oil return line of the hydraulic station provided in embodiment 1.
Example 3
As shown in fig. 3, the embodiment provides a self-cooling hydraulic system, which includes an oil tank 1, a working module 3, and a cooling mechanism 5, wherein an oil inlet end and an oil outlet end of the cooling mechanism 5 are both communicated with the oil tank 1 through a cooling pipe, the oil inlet end is located below the oil outlet end, so that hydraulic oil in the oil tank 1 can be sufficiently cooled through the cooling mechanism 5, the cooling mechanism 5 is further provided with an auxiliary pump 8, the auxiliary pump 8 is used for providing power for hydraulic oil transportation, the cooled hydraulic oil transports the oil tank 1 through the cooling pipe, so that the hydraulic oil in the oil tank 1 is always at a temperature suitable for working, the working efficiency of a hydraulic assembly is improved, and the whole oil circuit runs more quickly with the assistance of the auxiliary pump 8; the cooling mechanism 5 is arranged in the hydraulic assembly, and the cooling pipe is used for conveying hydraulic oil, so that the hydraulic oil can be cooled by the cooling mechanism 5, and the influence caused by temperature rise is avoided; an oil return pipeline is arranged between the oil tank 1 and an oil outlet end of the working module 3, the working module 3 comprises a motor, a pump and a valve group, and the working module 3 is used for connecting working components such as an oil cylinder and the like; the oil tank is provided with into oil pipe 11 with the oil feed end of work module 3, advances oil pipe 11 and is used for intercommunication oil tank 1 and work module 3, and the hydraulic oil in the oil tank 1 is carried to work module 3 through advancing oil pipe 11, advances the oil inlet setting of oil pipe 11 and between the oil feed end of cooling body and play oil end for advance oil pipe 11 and carry the hydraulic oil for after the cooling to work module 3, improve hydraulic assembly's work efficiency.
Furthermore, the oil return pipeline is the oil return pipeline of the hydraulic station provided in embodiment 1.
The invention provides a hydraulic station oil return pipeline and a self-cooling hydraulic system used by the same, which comprise an oil return pipe 2 communicated with an oil tank 1 and a breathing pipe 4, wherein two ends of the breathing pipe 4 are respectively communicated with the oil return pipe 2 and the oil tank 1, and one end of the breathing pipe 4 communicated with the oil tank 1 is positioned above the liquid level of the oil tank 1 and is used for buffering hydraulic oil of the oil return pipe 2; through set up respiratory tube 4 between oil tank 1 and time oil pipe 2, can not only the delivery segment return oil pipe 2 in the hydraulic oil that flows back to oil tank 1, and when returning oil pipe 2 and breaking circuit suddenly, respiratory tube 4 can circulate the air in the oil tank 1 and be used for the buffering, the impact force that hydraulic oil brought under the water hammer effect in the dispersion returns oil pipe 2, the vibration of oil tank 1 has been reduced greatly, and make the joint department of returning oil pipe 2 and oil tank 1 be difficult for bursting apart, increase of service life. The application provides a from cooling hydraulic system has stable in structure, not fragile, the noise is little, long service life's advantage such as.
The present disclosure has been described in detail above, and the principles and embodiments of the present disclosure have been explained herein using specific examples, which are provided only to assist understanding of the present disclosure and the core concepts. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present disclosure without departing from the principle of the present disclosure, and such improvements and modifications also fall within the scope of the claims of the present disclosure.
Claims (9)
1. A hydraulic station oil return pipeline is characterized by comprising an oil return pipe communicated with an oil tank; wherein, still include the breathing tube, the both ends of breathing tube respectively with return oil pipe and oil tank intercommunication, the one end that breathing tube and oil tank communicate is located oil tank liquid level top for the hydraulic oil of oil pipe is returned in the buffering.
2. The hydraulic station return line of claim 1, wherein the end of the breather tube communicating with the tank is positioned near the top of the tank.
3. The hydraulic station return line according to claim 1 or 2, wherein the end of the return line communicating with the tank is located below the end of the breather tube communicating with the tank.
4. A self-cooling hydraulic system is characterized by comprising an oil tank, a working module and a cooling mechanism, wherein the oil inlet end of the cooling mechanism is communicated with the oil tank, and the oil outlet end of the cooling mechanism is communicated with the oil inlet end of the working module; an oil return pipeline is arranged between the oil tank and the oil outlet end of the working module, and the oil return pipeline is the hydraulic station oil return pipeline according to any one of claims 1 to 3.
5. A self-cooling hydraulic system as claimed in claim 4, wherein a first pipeline is connected to the oil inlet end of the cooling mechanism for delivering hydraulic oil in the oil tank to the cooling mechanism, and a second pipeline is connected to the oil outlet end of the cooling mechanism for delivering hydraulic oil to the work module.
6. A self-cooling hydraulic system as claimed in claim 5, wherein the first line is provided with an auxiliary pump for powering hydraulic oil delivery.
7. A self-cooling hydraulic system as claimed in claim 5, wherein the oil outlet end or the second line of the cooling mechanism is provided with a safety line, one end of the safety line is communicated with the oil outlet end or the second line of the cooling mechanism, and the other end of the safety line is communicated with the oil tank.
8. A self-cooling hydraulic system as claimed in claim 7, wherein the safety line is provided with a one-way valve.
9. A self-cooling hydraulic system is characterized by comprising an oil tank, a working module and a cooling mechanism, wherein an oil inlet end and an oil outlet end of the cooling mechanism are both communicated with the oil tank, and the oil inlet end is positioned below the oil outlet end; the cooling mechanism is also provided with an auxiliary pump, and the auxiliary pump is used for providing power for conveying hydraulic oil; an oil return pipeline is arranged between the oil tank and the oil outlet end of the working module, an oil inlet pipe is arranged between the oil tank and the oil inlet end of the working module, and the oil return pipeline is the hydraulic station oil return pipeline according to any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123389075.8U CN217327944U (en) | 2021-12-29 | 2021-12-29 | Oil return pipeline of hydraulic station and self-cooling hydraulic system used by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123389075.8U CN217327944U (en) | 2021-12-29 | 2021-12-29 | Oil return pipeline of hydraulic station and self-cooling hydraulic system used by same |
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| Publication Number | Publication Date |
|---|---|
| CN217327944U true CN217327944U (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123389075.8U Active CN217327944U (en) | 2021-12-29 | 2021-12-29 | Oil return pipeline of hydraulic station and self-cooling hydraulic system used by same |
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| Country | Link |
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| CN (1) | CN217327944U (en) |
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2021
- 2021-12-29 CN CN202123389075.8U patent/CN217327944U/en active Active
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