CN108657049B - Lifting cooling composite system and vehicle - Google Patents
Lifting cooling composite system and vehicle Download PDFInfo
- Publication number
- CN108657049B CN108657049B CN201710210207.5A CN201710210207A CN108657049B CN 108657049 B CN108657049 B CN 108657049B CN 201710210207 A CN201710210207 A CN 201710210207A CN 108657049 B CN108657049 B CN 108657049B
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- oil
- lifting
- valve group
- driving motor
- pump assembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/04—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
- B60P1/16—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element actuated by fluid-operated mechanisms
- B60P1/162—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element actuated by fluid-operated mechanisms the hydraulic system itself
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- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Transportation (AREA)
- Fluid-Pressure Circuits (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention discloses a lifting and cooling combined system and a vehicle, wherein the lifting and cooling combined system comprises: an oil tank; an oil inlet of the oil pump assembly is connected with the oil tank; the lifting valve group is connected with an oil outlet of the oil pump assembly; the lifting oil cylinder is selectively connected with the oil pump assembly through a lifting valve group; the driving motor heat exchange unit is used for cooling a driving motor and is connected between the lifting valve group and the oil tank; the lifting valve group is arranged to communicate an oil outlet of the oil pump assembly with an inlet of the heat exchange unit of the driving motor. The lifting and cooling composite system can effectively improve the utilization efficiency of each part, improves good heat dissipation for the driving motor, has simple structure, small quantity of oil pumps and low cost, and saves the arrangement space of the whole vehicle.
Description
Technical Field
The invention belongs to the technical field of vehicle heat dissipation, and particularly relates to a lifting cooling composite system and a vehicle with the same.
Background
The driving motor of the electric dumper has high heating power, and in the related art, in order to better cool the driving motor, oil cooling systems are independently arranged, and the oil cooling systems realize the circulation of cooling oil liquid by relying on an oil pump to cool the driving motor. In the process of implementing the invention, the inventor finds that the system has more parts, high cost and room for improvement.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. To this end, it is an object of the present invention to provide a lift cooling complex system.
Another object of the present invention is to propose a vehicle with the above mentioned lifting and cooling combined system.
According to an embodiment of the first aspect of the invention, the lift cooling complex system comprises: an oil tank; the oil inlet of the oil pump assembly is connected with the oil tank; the lifting valve group is connected with an oil outlet of the oil pump assembly; the lifting oil cylinder is selectively connected with the oil pump assembly through the lifting valve group; the driving motor heat exchange unit is used for cooling a driving motor and is connected between the lifting valve group and the oil tank; the lifting valve group is communicated with an oil outlet of the oil pump assembly and an inlet of the heat exchange unit of the driving motor.
According to the lifting and cooling combined system disclosed by the embodiment of the first aspect of the invention, the utilization efficiency of each part can be effectively improved, good heat dissipation is improved for the driving motor, the lifting and cooling combined system is simple in structure, the number of oil pumps is small, the cost is low, and meanwhile, the arrangement space of the whole vehicle is also saved.
In addition, the lifting and cooling composite system according to the above embodiment of the present invention may also have the following additional technical features:
in some preferred embodiments of the present invention, the lifting valve set is configured to communicate an oil outlet of the oil pump assembly with an inlet of the heat exchange unit of the driving motor when the lifting cylinder is not in operation.
In some preferred embodiments of the present invention, the lift valve block comprises: and the cooling control electromagnetic valve is arranged to be powered on when the lifting oil cylinder does not work so as to enable the oil outlet of the oil pump assembly to be communicated with the heat exchange unit of the driving motor.
In some preferred embodiments of the present invention, the lift cooling complex system further comprises: the floating valve group comprises a lifting control valve, the lifting control valve is connected between the oil pump assembly and the floating valve group, and the floating valve group is connected between the lifting control valve and the lifting oil cylinder.
Preferably, an oil return port of the lifting control valve is communicated with an oil return port of the lifting valve group through an oil return channel, and the oil return port of the lifting valve group is communicated with an inlet of the heat exchange unit of the driving motor.
Preferably, the floating valve group is provided with a floating electromagnetic valve and is set to be electrified when the lifting oil cylinder is unloaded, so that an oil passage of the floating valve group is communicated with an oil return passage of the lifting valve group.
Further, when the lifting oil cylinder works, oil in the oil tank passes through the oil pump assembly and enters the lifting valve group, the lifting control valve enters the floating valve group, and the oil enters the oil return channel of the lifting valve group and enters the driving motor heat exchange unit through the oil return port of the lifting control valve.
In some preferred embodiments of the present invention, a one-way valve is disposed between the lifting valve set and the heat exchange unit of the driving motor, and the one-way valve is in one-way communication with the heat exchange unit of the driving motor from the lifting valve set.
In some preferred embodiments of the present invention, the lift cooling complex system further comprises: and the cooler is connected between the lifting valve group and the driving motor heat exchange unit.
Optionally, the heat exchange unit of the driving motor is a heat exchange flow channel of the driving motor.
Optionally, an oil suction filter is arranged between an oil inlet of the oil pump assembly and the oil tank, and a high-pressure filter is arranged between an oil outlet of the oil pump assembly and the lifting valve group.
According to a vehicle in an embodiment of the second aspect of the invention, a lifting and cooling combined system as described in any one of the first aspect is provided.
The vehicle and the lifting cooling composite system have the same advantages compared with the prior art, and the detailed description is omitted.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a lift cooling complex system according to an embodiment of the present invention.
Reference numerals:
the lifting and cooling of the combined system 100,
the oil absorption filter comprises an oil absorption filter 1, an oil pump assembly 2, an oil pump motor 2a, a lifting pump 2b, an oil tank 4, a high-pressure filter 5, a lifting valve group 6, a cooling control electromagnetic valve 6a, a lifting control valve 6b, a floating valve group 7, a floating electromagnetic valve 7a, a lifting oil cylinder 8, a driving motor 9, a driving motor heat exchange unit 9a, a cooler 11 and a one-way valve 13.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
First, referring to the drawings, a lifting and cooling composite system 100 according to an embodiment of the present invention is described in detail, and the lifting and cooling composite system 100 according to the embodiment of the present invention may be used for electric mining dump trucks, such as some heavy-duty electric mining dump trucks.
As shown in fig. 1, the lifting and cooling combined system 100 includes an oil tank 4, an oil pump assembly 2, a lifting valve group 6, a lifting oil cylinder 8, a driving motor heat exchange unit 9a, a cooler 11, an oil absorption filter 1 and a high pressure filter 5.
Wherein, oil tank 4 is used for saving fluid, the oil inlet of oil pump assembly 2 links to each other with oil tank 4, can be equipped with oil absorption filter 1 between oil pump assembly 2's the oil inlet and the oil tank 4, oil absorption filter 1 can filter the fluid of inhaling oil pump assembly 2 from oil tank 4, the oil-out of oil pump assembly 2 links to each other with lifting valve group 6, can be equipped with high pressure filter 5 between oil pump assembly 2's the oil-out and the lifting valve group 6, high pressure filter 5 can filter the high-pressure fluid of oil pump assembly 2 output, prevent that the impurity in the fluid from invading hydraulic system.
Specifically, the oil pump assembly 2 may include a lift pump 2b and an oil pump motor 2a, wherein the lift pump 2b is connected to the oil tank 4, and the oil pump motor 2a is connected to the lift pump 2b in a power coupling manner.
The lifting oil cylinders 8 are selectively connected with the oil pump assembly 2 through the lifting valve group 6, when the lifting oil cylinders 8 are communicated with the oil pump assembly 2, high-pressure oil output by the oil pump assembly 2 can drive the lifting oil cylinders 8 to perform lifting or descending actions, and therefore the bucket of the dump truck can be turned over, as shown in fig. 1, the number of the lifting oil cylinders 8 can be two, and the two lifting oil cylinders 8 can be respectively used for supporting the left side and the right side of the bucket.
The driving motor heat exchange unit 9a is used for cooling the driving motor 9, the driving motor 9 may be a rear axle motor of a vehicle, optionally, the driving motor heat exchange unit 9a may be a heat exchange runner of the driving motor 9, the number of the driving motors 9 may be two, and the two driving motors 9 respectively drive the left wheel and the right wheel.
Drive motor heat transfer unit 9a is connected between lifting valves 6 and oil tank 4, drive motor heat transfer unit 9 a's import links to each other with lifting valves 6, preferably, lifting valves 6 and drive motor heat transfer unit 9a between can be equipped with check valve 13, check valve 13 is from lifting valves 6 to drive motor heat transfer unit 9a one-way conduction, in order to prevent fluid backward flow, drive motor heat transfer unit 9 a's export links to each other with oil tank 4, in order to realize the recovery of fluid, oil tank 4 also can play certain radiating effect, for example oil tank 4 can be the metal barrel body of bulky.
The lifting valve group 6 is set to be communicated with an oil outlet of the oil pump assembly 2 and an inlet of the heat exchange unit 9a of the driving motor, so that the driving motor can be cooled through lifting oil.
Specifically, the lifting valve group 6 is set to communicate the oil outlet of the oil pump assembly 2 with the inlet of the drive motor heat exchange unit 9a when the lifting oil cylinder 8 does not work, and oil liquid directly enters the drive motor heat exchange unit 9a instead of entering the lifting oil cylinder 8 and returns to the oil tank 4 after heat exchange.
It can be understood that, during the driving process, the lifting cylinder 8 is usually in the non-working state, the driving motor 9 is in the working state, and the heating value of the driving motor 9 is large, by providing the lifting cooling composite system 100 with the above structural form, the hydraulic lifting system and the driving motor heat exchange unit 9a can be effectively combined, and during the driving process, the driving motor 9 is cooled by the oil liquid of the hydraulic lifting system.
According to the lifting and cooling composite system 100 provided by the embodiment of the invention, the utilization efficiency of each part can be effectively improved, good heat dissipation is improved for the driving motor 9, the lifting and cooling composite system 100 is simple in structure, the number of oil pumps is small, the cost is low, and meanwhile, the arrangement space of the whole vehicle is also saved.
In some preferred embodiments of the invention, the lifting valve group 6 may comprise: a cooling control solenoid valve 6a and a lift control valve 6 b.
The lifting control valve 6b is used for being connected with the lifting oil cylinder 8, and the lifting valve group 6 is set to enable the cooling control electromagnetic valve 6a to be electrified when the lifting oil cylinder 8 does not work so that an oil outlet of the oil pump assembly 2 is communicated with the driving motor heat exchange unit 9 a.
It can be understood that when the cooling control solenoid valve 6a is powered, the oil enters the lifting valve group 6 and flows to the driving motor heat exchange unit 9a directly at the passage formed by the cooling control solenoid valve 6a, but does not flow to the lifting control solenoid valve 6 b.
In some preferred embodiments of the present invention, as shown in fig. 1, a cooler 11 may be connected between the lifting valve group 6 and the driving motor heat exchange unit 9a to cool oil entering the driving motor heat exchange unit 9a, so as to improve heat exchange efficiency, specifically, the cooler 11 may include a fan, a radiator, and the like, of course, the cooler 11 may also be in other forms, in an embodiment where there are two driving motors 9, there may also be two coolers 11, and the two coolers 11 correspond to the two driving motors 9 one to one.
In some preferred embodiments of the present invention, the lift cooling complex system 100 further comprises: and the floating valve group 7 and the lifting valve group 6 comprise lifting control valves 6b, the lifting control valves 6b are connected between the oil pump assembly 2 and the floating valve group 7, the floating valve group 7 is connected between the lifting control valves 6b and the lifting oil cylinder 8, and the floating valve group 7 is used for directly supplying oil to the lifting oil cylinder 8.
Preferably, as shown in fig. 1, an oil return port of the lifting control valve 6b is communicated with an oil return port T of the lifting valve group 6 through an oil return channel of the lifting valve group 6, and the oil return port T of the lifting valve group 6 is communicated with an inlet of the driving motor heat exchange unit 9 a.
It can be understood that, when the lifting cylinder 8 is in operation (the dump truck lifts/descends), the oil pump motor 2a drives the lifting pump 2b to suck oil from the oil tank 4, the oil enters the lifting valve group 6 through the filtration of the oil suction filter 1 and the high pressure filter 5, enters the floating valve group 7 through the right position/left position of the lifting control valve 6b, finally enters the lifting cylinder 8, after the lifting cylinder 8 completes its work, the oil enters the oil return channel of the lifting valve group 6 through the oil return port of the lifting control valve 6b, then enters the cooler 11 through the check valve 13 through the oil return port T of the lifting valve group 6, and the cooled oil enters the driving motor heat exchange unit 9a and finally returns to the oil tank 4.
That is, the lifting cooling complex system 100 according to the embodiment of the present invention can cool the driving motor 9 when the lifting cylinder 8 is operated.
Preferably, as shown in fig. 1, the floating valve group 7 has a floating solenoid valve 7a, and is provided to be energized when the lift cylinder 8 is unloaded to communicate the oil passage of the floating valve group 7 with the oil return passage of the lift valve group 6.
It can be understood that when the lifting cylinder 8 is unloaded, the unloaded oil can be communicated with the oil return channel of the lifting valve group 6 through the port T2 of the lifting valve group 6, and enters the cooler 11 and the driving motor heat exchange unit 9a through the port T and the check valve 13.
Specifically, when the lifting oil cylinder 8 works, oil in the oil tank 4 enters the lifting valve group 6 through the oil pump assembly 2 and enters the floating valve group 7 through the lifting control valve 6b, and the oil enters an oil return channel of the lifting valve group 6 through an oil return port of the lifting control valve 6b and enters the heat exchange unit 9a of the driving motor.
That is, the lifting and cooling combined system 100 according to the embodiment of the present invention may cool the driving motor 9 when the lifting cylinder 8 is unloaded.
In summary, the lifting and cooling composite system 100 according to the embodiment of the present invention effectively combines the hydraulic lifting system with the heat exchange unit 9a of the driving motor, so that the driving motor 9 can be used to improve heat dissipation in each operating state of the lifting cylinder 8, and the driving motor 9 can be cooled when the lifting cylinder 8 is switched between each operating state.
The invention also discloses a vehicle.
As shown in fig. 1, a vehicle according to an embodiment of the present invention is provided with the lifting and cooling composite system 100 according to any one of the above embodiments, and the vehicle according to an embodiment of the present invention may be an electric mining dump truck, such as a heavy-duty electric mining dump truck.
According to the vehicle provided by the embodiment of the invention, the heat dissipation of the driving motor 9 of the vehicle is good, the utilization efficiency of each system is high, the number of parts of the whole vehicle is small, the arrangement is convenient, and the cost is low.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A lift cooling compound system, comprising:
an oil tank;
the oil inlet of the oil pump assembly is connected with the oil tank;
the lifting valve group is connected with an oil outlet of the oil pump assembly;
the lifting oil cylinder is selectively connected with the oil pump assembly through the lifting valve group;
the driving motor heat exchange unit is used for cooling a driving motor and is connected between the lifting valve group and the oil tank; wherein the content of the first and second substances,
the oil pump assembly is characterized in that the lifting valve group is set to be communicated with an oil outlet of the oil pump assembly and an inlet of the driving motor heat exchange unit, the lifting valve group is set to be communicated with an oil outlet of the oil pump assembly and an inlet of the driving motor heat exchange unit when the lifting oil cylinder does not work, the lifting valve group further comprises a cooling control electromagnetic valve, and the cooling control electromagnetic valve is set to be powered on to enable the oil outlet of the oil pump assembly to be communicated with the driving motor heat exchange unit when the lifting oil cylinder does not work.
2. The lift cooling compound system of claim 1, further comprising: the floating valve group comprises a lifting control valve, the lifting control valve is connected between the oil pump assembly and the floating valve group, and the floating valve group is connected between the lifting control valve and the lifting oil cylinder.
3. The lifting and cooling combined system according to claim 2, wherein an oil return port of the lifting control valve is communicated with an oil return port of the lifting valve bank through an oil return passage, and the oil return port of the lifting valve bank is communicated with an inlet of the heat exchange unit of the driving motor.
4. The lift cooling compound system of claim 3, wherein the floating valve block has a floating solenoid valve and is configured to be energized when the lift cylinder is unloaded to place an oil passage of the floating valve block in communication with an oil return passage of the lift valve block.
5. The lift cooling compound system according to claim 4, wherein when the lift cylinder is operated, oil in the oil tank enters the lift valve group through the oil pump assembly and enters the floating valve group through the lift control valve, and the oil enters an oil return channel of the lift valve group through an oil return port of the lift control valve and enters the drive motor heat exchange unit.
6. The lifting and cooling combined system according to claim 1, wherein a one-way valve for one-way communication from the lifting valve group to the driving motor heat exchange unit is arranged between the lifting valve group and the driving motor heat exchange unit.
7. The lift cooling compound system of claim 1, further comprising: and the cooler is connected between the lifting valve group and the driving motor heat exchange unit.
8. The lift cooling compound system of claim 1, wherein the drive motor heat exchange unit is a heat exchange flow channel of the drive motor.
9. The lifting and cooling combined system according to claim 1, wherein an oil suction filter is disposed between an oil inlet of the oil pump assembly and the oil tank, and a high pressure filter is disposed between an oil outlet of the oil pump assembly and the lifting valve group.
10. A vehicle, characterized in that a lifting and cooling complex system according to any one of claims 1-9 is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710210207.5A CN108657049B (en) | 2017-03-31 | 2017-03-31 | Lifting cooling composite system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710210207.5A CN108657049B (en) | 2017-03-31 | 2017-03-31 | Lifting cooling composite system and vehicle |
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| Publication Number | Publication Date |
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| CN108657049A CN108657049A (en) | 2018-10-16 |
| CN108657049B true CN108657049B (en) | 2020-11-20 |
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| CN201710210207.5A Active CN108657049B (en) | 2017-03-31 | 2017-03-31 | Lifting cooling composite system and vehicle |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117382520B (en) * | 2023-12-11 | 2024-03-01 | 临工重机股份有限公司 | Container lifting control system and engineering machinery |
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| CN101804782A (en) * | 2010-03-24 | 2010-08-18 | 四川成都成工工程机械股份有限公司 | Novel hydraulic system of drive axle cooling system |
| WO2013108575A1 (en) * | 2012-01-19 | 2013-07-25 | 日立建機株式会社 | Transport vehicle |
| CN103910311A (en) * | 2014-04-10 | 2014-07-09 | 安徽合力股份有限公司 | Hydraulic system of empty container stacking locomotive |
| DE102013113228A1 (en) * | 2013-11-29 | 2015-06-03 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Device for supplying operating components of a motor vehicle with air |
| CN105065350A (en) * | 2015-08-10 | 2015-11-18 | 中船重工重庆智能装备工程设计有限公司 | Hydraulic control system of resonance breaking shop truck |
| CN105114165A (en) * | 2015-07-27 | 2015-12-02 | 广西柳工机械股份有限公司 | Heat dissipating system of mining dump vehicle |
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2017
- 2017-03-31 CN CN201710210207.5A patent/CN108657049B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804782A (en) * | 2010-03-24 | 2010-08-18 | 四川成都成工工程机械股份有限公司 | Novel hydraulic system of drive axle cooling system |
| WO2013108575A1 (en) * | 2012-01-19 | 2013-07-25 | 日立建機株式会社 | Transport vehicle |
| DE102013113228A1 (en) * | 2013-11-29 | 2015-06-03 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Device for supplying operating components of a motor vehicle with air |
| CN103910311A (en) * | 2014-04-10 | 2014-07-09 | 安徽合力股份有限公司 | Hydraulic system of empty container stacking locomotive |
| CN105114165A (en) * | 2015-07-27 | 2015-12-02 | 广西柳工机械股份有限公司 | Heat dissipating system of mining dump vehicle |
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| CN108657049A (en) | 2018-10-16 |
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