CN107477050A - Broken oil return system, crushing mechanism and excavator - Google Patents
Broken oil return system, crushing mechanism and excavator Download PDFInfo
- Publication number
- CN107477050A CN107477050A CN201710909482.6A CN201710909482A CN107477050A CN 107477050 A CN107477050 A CN 107477050A CN 201710909482 A CN201710909482 A CN 201710909482A CN 107477050 A CN107477050 A CN 107477050A
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- Prior art keywords
- oil
- return system
- oil return
- line
- broken
- Prior art date
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- 239000003921 oil Substances 0.000 claims abstract description 133
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 73
- 230000035939 shock Effects 0.000 abstract description 3
- 239000010721 machine oil Substances 0.000 abstract description 2
- 239000002828 fuel tank Substances 0.000 description 15
- 230000009286 beneficial effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- 230000003134 recirculating effect Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 230000002411 adverse Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/044—Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of broken oil return system, crushing mechanism and excavator, causes the high technical problem of its fault rate because hydraulic shock is big to solve to excavate crusher machine oil return system in the prior art.The broken oil return system includes hydraulic oil container, main oil return system, return line and at least two branch lines；Wherein, the oil inlet of the return line is connected with the main oil return system, and the oil-out of the first port of at least two branch line with the return line is connected, and the second port of at least two branch line is connected with the hydraulic oil container.
Description
Technical field
The present invention relates to hydraulic oil-returning technical field, more particularly to a kind of broken oil return system, crushing mechanism and excavator.
Background technology
The power resources of hydraulic breaking hammer are the pressure oil of the pumping plant offer of excavator or loading machine, and it can build excavating
The soil more effectively cleared up in the operation on thing basis in the stone and rock crevice of floating.Wherein, excavator includes matching
In the oil return system of the hydraulic breaking hammer.
In the prior art, whole oil returns in the return line of the oil return system for the quartering hammer installed on excavator are directly returned
To hydraulic oil container, either whole oil returns in return line return to complete in hydraulic fluid tank or return line after radiator
Portion's oil return is returned directly to main valve, and whole hydraulic oil are allocated again in main valve.
Following technological deficiency be present in above-mentioned prior art：Because the oil return of quartering hammer is intermittent oil returning, hydraulic shock is big,
If whole oil returns in the return line of broken oil return system are returned directly to hydraulic oil container, hydraulic fluid tank can not timely be dissipated
Heat, the hydraulic oil temperature in hydraulic fluid tank is high, and hydraulic oil is easily oxidized rotten；It is if complete in the return line of broken oil return system
Portion's oil return returns to hydraulic fluid tank after radiator, and impact of the hydraulic oil to radiator is big, it is easy to causes radiator to damage or lose
Effect；If whole oil returns in the return line of broken oil return system are returned directly to main valve, whole hydraulic oil enter again in main valve
Row distribution, once causing the internal contamination of main valve, then whole system will be adversely affected.Therefore, above-mentioned existing three kinds
Circuit easilys lead to system failure, the fault rate of system significantly lift-rising.
The content of the invention
It is an object of the invention to provide a kind of broken oil return system, to solve to excavate crusher machine oil return system in the prior art
System causes the high technical problem of its fault rate because hydraulic shock is big.
The present invention provides a kind of broken oil return system, and the broken oil return system includes hydraulic oil container, main oil return system, oil return
Pipeline and at least two branch lines；Wherein,
The oil inlet of the return line is connected with the main oil return system；
Oil-out of the first port of at least two branch line with the return line is connected；
The second port of at least two branch line is connected with the hydraulic oil container.
Further, the broken oil return system includes two branch lines.
Further, in addition to radiator；Two branch lines are respectively the first branch line and second branched pipe
Road；
First branch line is connected directly between the oil-out of the return line and the hydraulic oil container；
The radiator is arranged on the second branched pipe road.
Further, in addition to diversion mechanism；
Pass through the shunting between the first port of at least two branch line and the oil-out of the return line
Mechanism connects.
Further, the diversion mechanism is three-way pipe；
The broken oil return system includes two branch lines, the first port of two branch lines with it is described
Connected between the oil inlet of return line by the three-way pipe.
Further, in addition to filter；
The filter be arranged on the return line or any branch line on.
Further, in addition to radiator；
The filter is arranged on the return line, and the radiator is arranged on any branch line.
Further, in addition to radiator；
The radiator and the filter are arranged on the same branch line；
By the return line to the hydraulic oil container, the filter and the radiator are set gradually.
Broken oil return system provided by the invention, the oil inlet of return line therein are connected with main oil return system, at least
The first port of two branch lines is connected with the oil-out of return line, the second ports of at least two branch lines with
Hydraulic oil container connects, in this way, being connected between return line and hydraulic oil container by least two branch lines, from return line
Whole recirculating oil quantities at least two tributaries are divided into by least two branch line, at least two tributaries respectively enter hydraulic oil
Case, tributary are low to the impulsive force of fuel tank；Also, while being split due to whole recirculating oil quantities, its incidental heat divides therewith
The gross contact area of stream, each tributary and branch line is more than the contact area of whole recirculating oil quantities and return line, radiating effect
Good, oil temperature when each tributary reaches fuel tank reduces；Therefore, impact of the oil return of shunting to fuel tank is small, and the oil temperature of fuel tank reduces,
Hydraulic oil is not easy oxidation deterioration, and whole system is not susceptible to failure, and fault rate is low.
Another object of the present invention, which also resides in, provides a kind of crushing mechanism, and the crushing mechanism is including quartering hammer and as described above
Broken oil return system；
The quartering hammer is connected with the main oil return system in the broken oil return system.
Above-mentioned crushing mechanism compared to prior art beneficial effect, with above-mentioned broken oil return system compared to prior art
Beneficial effect it is identical, here is omitted.
Another object of the present invention, which also resides in, provides a kind of excavator, and the excavator includes broken oil return system as described above
System or crushing mechanism as described above.
Above-mentioned excavator compared to prior art beneficial effect, with above-mentioned broken oil return system or crushing mechanism compared to
The beneficial effect of prior art is identical, and here is omitted.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram one of broken oil return system according to embodiments of the present invention；
Fig. 2 is the schematic diagram two of broken oil return system according to embodiments of the present invention；
Fig. 3 is the schematic diagram three of broken oil return system according to embodiments of the present invention；
Fig. 4 is the schematic diagram four of broken oil return system according to embodiments of the present invention.
In figure：
10- quartering hammers；The main oil return systems of 20-；
30- return lines；40- branch lines；
50- hydraulic oil containers；60- radiators；
70- filters；The branch lines of 401- first；
402- second branched pipes road.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Broken oil return system provided in an embodiment of the present invention is applied to the crushing mechanism of crushing mechanism, especially excavator,
Wherein, the crushing mechanism of excavator includes quartering hammer, and the main oil return system in the broken oil return system is connected with quartering hammer.
Fig. 1 is the schematic diagram one of broken oil return system according to embodiments of the present invention, and Fig. 2 is according to embodiments of the present invention
The schematic diagram two of broken oil return system, Fig. 3 is the schematic diagram three of broken oil return system according to embodiments of the present invention, and Fig. 4 is root
According to the schematic diagram four of the broken oil return system of the embodiment of the present invention.
As shown in Figures 1 to 4, broken oil return system provided in an embodiment of the present invention includes hydraulic oil container 50, main oil return system
System 20, the branch line 40 of return line 30 and at least two, wherein, the oil inlet of return line 30 connects with main oil return system 20
Connect, the oil-out of the first ports of at least two branch lines 40 with return line 30 is connected, at least two branch lines 40
Second port be connected with hydraulic oil container 50.
Broken oil return system provided in an embodiment of the present invention, the oil inlet of return line therein connect with main oil return system
Connecing, the first port of at least two branch lines is connected with the oil-out of return line, and the second of at least two branch lines
Port is connected with hydraulic oil container, in this way, being connected between return line and hydraulic oil container by least two branch lines, is come from
Whole recirculating oil quantities of return line are divided at least two tributaries by least two branch line, and at least two tributaries respectively enter
Hydraulic oil container, tributary are low to the impulsive force of fuel tank；Also, while being split due to whole recirculating oil quantities, its incidental heat
Shunt therewith, the gross contact area of each tributary and branch line is more than the contact area of whole recirculating oil quantities and return line, dissipates
Thermal effect is good, and oil temperature when each tributary reaches fuel tank reduces；Therefore, impact of the oil return of shunting to fuel tank is small, the oil of fuel tank
Temperature drop is low, and hydraulic oil is not easy oxidation deterioration, and whole system is not susceptible to failure, and fault rate is low.
Wherein, a variety of parts can be set on the branch line of the broken oil return system, for throttling, radiating, filtering or clearly
It is clean.For example, settable radiator or/and filter.
Wherein, a variety of parts can be set on the return line of the broken oil return system, for throttling, radiating, filtering or clearly
It is clean.For example, settable filter.
In other embodiment, therein be diverted to up to hydraulic oil container can be controlled by setting the operation length of branch line
Time, in this way, controllable different shunting reaches hydraulic oil container in the different time, further reduce and hydraulic oil container rushed
Hit.
In other embodiment, the flow velocity of shunting therein can be controlled by setting the diameter of branch line, in this way,
Controllable different shunting reaches hydraulic oil container in the different time, further reduces the impact to hydraulic oil container.
In the present embodiment, the broken oil return system includes two branch lines 40, the first end of two branch lines 40
Oil-out of the mouth with return line 30 is connected, and the second port of two branch lines 40 is connected with hydraulic oil container 50, such as
This, can either be shunted all total oil mass in return line 30, realize the purpose for reducing impulsive force and oil temperature, meanwhile,
It may be such that the internal duct of whole broken oil return system is simplified, to reduce space-consuming.
In other embodiment, the broken oil return system may include the branch line 40 of three or more than three, be arranged such,
The quantity of shunting is more, smaller to the impulsive force of fuel tank, and the amplitude of variation of oil temperature is big, but it causes the inner tube of broken oil return system
Road complicates, and space-consuming is big.
The broken oil return system provided in the present embodiment includes two branch lines 40 and radiator 60, two branched pipes
Road is respectively the first branch line 401 and second branched pipe road 402, wherein, the first branch line 401 is connected directly between oil return pipe
Between the oil-out and hydraulic oil container 50 on road 30, in other words, the first first port of branch line 401 and going out for return line 30
Hydraulic fluid port is connected, and the second port of the first branch line 401 is connected with hydraulic oil container 50, and without other on the first branch line 401
Part；The first port on second branched pipe road 402 is connected with the oil-out of return line 30, and the second of second branched pipe road 402
Port is connected with hydraulic oil container 50, and radiator 60 is arranged on second branched pipe road 402.
Above-mentioned radiator 60 is used to radiate to the hydraulic oil in second branched pipe road 402, reaches and radiates in hydraulic oil
Before device, first hydraulic oil is shunted, the hydraulic oil divided by the first branch line 401 is directly entered hydraulic oil container 50, should
Section hydraulic oil mass is small, and the impact to hydraulic oil container 50 is small, and hydraulic oil container 50 can radiate in time, prevents high oil temperature, Jin Erfang
Oxidation；Hydraulic oil container 30 is entered back into after radiator 60 radiates to it by the hydraulic oil that second branched pipe road 402 is divided, by
In the presence of branch line, impact of the hydraulic oil to radiator 60 is small, and radiator 60 is not easily susceptible to damage, and will not more fail, together
When due to the heat sinking function of radiator 60, the oil temperature of section hydraulic oil is low and oil mass is small, can further prevent high oil temperature；The
One branch line 401 and the comprehensive function of second branched pipe road 402, the common hydraulic oil that reduces is to radiator 60 and hydraulic oil container 50
Impact, and the oil temperature of the hydraulic oil of hydraulic oil container 50 is lowered into jointly, ensure the inside normal work of hydraulic oil container 50.
Broken oil return system also includes filter 70, and the filter 70 may be provided on return line 30 or any point
On bye-pass 40, the filter 70 is used to filter hydraulic oil.In the present embodiment, filter 70 is filtered for oil return.
As shown in figure 1, in the present embodiment, broken oil return system includes two branch lines 40, and filter 70 is arranged on
In return line 30, for being filtered to the hydraulic oil in total road, in this way, the hydraulic oil by filtering can pass through the first branch
Pipeline 401 enters hydraulic oil container 50, and fuel tank internal is provided with oil return filter core in itself, and the oil return filter core can carry out secondary to hydraulic oil
Filtering；Hydraulic oil by filtering enters radiator 60 by second branched pipe road 402, prevents the greasy dirt in hydraulic oil to radiating
Device 60 adversely affects.
Or as shown in Fig. 2 in the present embodiment, broken oil return system includes two branch lines 40, and filter 70 is set
Put in second branched pipe road 402, for being filtered to the hydraulic oil in second branched pipe road 402, in this way, filtered
Hydraulic oil enters fuel tank by the first branch line 401, and fuel tank internal is provided with oil return filter core in itself, and the oil return filter core can be to liquid
Force feed is filtered；Hydraulic oil by filter filtering enters radiator 60 by second branched pipe road 402, prevents hydraulic pressure
Greasy dirt in oil adversely affects to radiator 60.
As shown in figure 3, in other embodiment, broken oil return system includes two branch lines 40 and two filters
70, two filters 70 are separately positioned in the first branch line 401 and second branched pipe road 402, are respectively used to first
Hydraulic oil in branch line 401 and second branched pipe road 402 is filtered, in this way, the hydraulic oil by filtering passes through first
Branch line 401 enters fuel tank, and fuel tank internal is provided with oil return filter core in itself, and the oil return filter core can filter to hydraulic oil；
Hydraulic oil by filtering enters radiator by second branched pipe road 402, prevents the greasy dirt in hydraulic oil from being made to radiator 60
Into adverse effect.
As shown in figure 4, in other embodiment, broken oil return system includes two branch lines 40 and two filters
70, two filters 70 are separately positioned in two branch lines 40, are respectively used to the hydraulic pressure in two branch lines 40
Oil is filtered, and the hydraulic oil filtered by two filters 70 is directly entered hydraulic oil container 50, and fuel tank internal is set in itself
Oil return filter core is equipped with, the oil return filter core can filter to hydraulic oil.
In the present embodiment, broken oil return system also includes diversion mechanism, and the first port of at least two branch lines is with returning
Shunting has been realized by diversion mechanism connection between the oil-out of oil pipe line.The diversion mechanism can be contiguous block, more siphunculus or divide
Branch guide shell.
In the present embodiment, broken oil return system includes two branch lines, the first port of two branch lines and oil return
Connected between the oil inlet of pipeline by three-way pipe, the structure of three-way pipe is simple and is easily attached, and can simplify the interior of whole system
Portion's structure.
In other embodiment, when crushing oil return system includes the branch line of three or more than three, filter is set
On return line, radiator is arranged on either branch pipeline；Or radiator and filter are arranged on same branched pipe
Lu Shang, by return line to hydraulic oil container, filter and radiator are set gradually.
When the quantity of radiator and filter is at least two, a radiator can be set on a branch line,
Or a radiator and a filter can be set on a branch line.
, can on a branch line in element branches pipeline when the quantity of radiator and filter is at least two
Set and a radiator and a filter can be set on a radiator, or a branch line.
When the quantity of radiator and filter is at least two, multiple radiatings can be set on a branch line simultaneously
Device and a filter, or a radiator and multiple filters, or multiple radiators and multiple filters, as sequence side
Formula, it can be configured according to being actually needed.
Another object of the present invention, which also resides in, provides a kind of crushing mechanism, and the crushing mechanism is broken including quartering hammer and as above
Broken oil return system, quartering hammer are connected with the main oil return system in broken oil return system.
Above-mentioned crushing mechanism compared to prior art beneficial effect, with above-mentioned broken oil return system compared to prior art
Beneficial effect it is identical, here is omitted.
Another object of the present invention, which also resides in, provides a kind of excavator, the excavator include broken oil return system as above or
As above crushing mechanism.
Above-mentioned excavator compared to prior art beneficial effect, with above-mentioned broken oil return system or crushing mechanism compared to
The beneficial effect of prior art is identical, and here is omitted.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (10)
1. a kind of broken oil return system, it is characterised in that including hydraulic oil container (50), main oil return system (20), return line
And at least two branch lines (40) (30)；Wherein,
The oil inlet of the return line (30) is connected with the main oil return system (20)；
Oil-out of the first port of at least two branch line (40) with the return line (30) is connected；
The second port of at least two branch line (40) is connected with the hydraulic oil container (50).
2. broken oil return system according to claim 1, it is characterised in that the broken oil return system is included described in two
Branch line (40).
3. broken oil return system according to claim 2, it is characterised in that also including radiator (60)；Divide described in two
Bye-pass (40) is respectively the first branch line (401) and second branched pipe road (402)；
First branch line (401) is connected directly between the oil-out and the hydraulic oil container (60) of the return line (40)
Between；
The radiator (60) is arranged on the second branched pipe (402) road.
4. broken oil return system according to claim 1, it is characterised in that also including diversion mechanism；
By described between the first port of at least two branch line (40) and the oil-out of the return line (30)
Diversion mechanism connects.
5. broken oil return system according to claim 4, it is characterised in that the diversion mechanism is three-way pipe；
The broken oil return system includes two branch lines (40), the first port of two branch lines (40) with
Connected between the oil inlet of the return line (30) by the three-way pipe.
6. broken oil return system according to claim 1, it is characterised in that also including filter (70)；
The filter (70) is arranged on the return line (30) or on any branch line (40).
7. broken oil return system according to claim 6, it is characterised in that also including radiator (60)；
The filter (70) is arranged on the return line (30), and the radiator (60) is arranged on any branch
On pipeline (40).
8. broken oil return system according to claim 6, it is characterised in that also including radiator (60)；
The radiator (60) and the filter (70) are arranged on the same branch line (40)；
By the return line (30) to the hydraulic oil container (50), the filter (70) and the radiator (60) are successively
Set.
9. a kind of crushing mechanism, including quartering hammer (10), it is characterised in that also include as any one of claim 1-8
Broken oil return system；
The quartering hammer (10) is connected with the main oil return system (20) in the broken oil return system.
10. a kind of excavator, it is characterised in that including the broken oil return system as any one of claim 1-8；Or
Person,
Crushing mechanism as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710909482.6A CN107477050A (en) | 2017-09-29 | 2017-09-29 | Broken oil return system, crushing mechanism and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710909482.6A CN107477050A (en) | 2017-09-29 | 2017-09-29 | Broken oil return system, crushing mechanism and excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107477050A true CN107477050A (en) | 2017-12-15 |
Family
ID=60605412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710909482.6A Pending CN107477050A (en) | 2017-09-29 | 2017-09-29 | Broken oil return system, crushing mechanism and excavator |
Country Status (1)
| Country | Link |
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| CN (1) | CN107477050A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185679A (en) * | 2019-05-29 | 2019-08-30 | 山东临工工程机械有限公司 | Hydraulic oil cooling system, excavator and hydraulic oil cooling control method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006118150A (en) * | 2004-10-19 | 2006-05-11 | Hitachi Constr Mach Co Ltd | Return circuit of hydraulic working implement |
| CN202391872U (en) * | 2012-01-05 | 2012-08-22 | 熔盛机械有限公司 | Hydraulic oil ultra-precision micro-filtrating system in hydraulic excavator |
| US20130038062A1 (en) * | 2011-07-29 | 2013-02-14 | Samusideen Adewale Salu | System for producing hydraulic transient energy |
| CN103669451A (en) * | 2014-01-08 | 2014-03-26 | 郑清 | Independent hydraulic working system of breaking hammer |
| CN204284036U (en) * | 2014-11-28 | 2015-04-22 | 北汽福田汽车股份有限公司 | A kind of hydraulic oil-returning structural assembly and there is its concrete mixer |
| CN106050771A (en) * | 2016-06-23 | 2016-10-26 | 徐州徐工挖掘机械有限公司 | Hydraulic loop for multifunctional tool of excavator |
| CN207634448U (en) * | 2017-09-29 | 2018-07-20 | 三一重机有限公司 | Broken oil return system, crushing mechanism and excavator |
-
2017
- 2017-09-29 CN CN201710909482.6A patent/CN107477050A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006118150A (en) * | 2004-10-19 | 2006-05-11 | Hitachi Constr Mach Co Ltd | Return circuit of hydraulic working implement |
| US20130038062A1 (en) * | 2011-07-29 | 2013-02-14 | Samusideen Adewale Salu | System for producing hydraulic transient energy |
| CN202391872U (en) * | 2012-01-05 | 2012-08-22 | 熔盛机械有限公司 | Hydraulic oil ultra-precision micro-filtrating system in hydraulic excavator |
| CN103669451A (en) * | 2014-01-08 | 2014-03-26 | 郑清 | Independent hydraulic working system of breaking hammer |
| CN204284036U (en) * | 2014-11-28 | 2015-04-22 | 北汽福田汽车股份有限公司 | A kind of hydraulic oil-returning structural assembly and there is its concrete mixer |
| CN106050771A (en) * | 2016-06-23 | 2016-10-26 | 徐州徐工挖掘机械有限公司 | Hydraulic loop for multifunctional tool of excavator |
| CN207634448U (en) * | 2017-09-29 | 2018-07-20 | 三一重机有限公司 | Broken oil return system, crushing mechanism and excavator |
Non-Patent Citations (1)
| Title |
|---|
| 李兵等: "《液压与气压传动 第2版》", 华中科技大学出版社, pages: 25 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185679A (en) * | 2019-05-29 | 2019-08-30 | 山东临工工程机械有限公司 | Hydraulic oil cooling system, excavator and hydraulic oil cooling control method |
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