CN109798353A - A kind of high-speed EMUs gearbox lubrication oil cooler - Google Patents
A kind of high-speed EMUs gearbox lubrication oil cooler Download PDFInfo
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- CN109798353A CN109798353A CN201711134226.0A CN201711134226A CN109798353A CN 109798353 A CN109798353 A CN 109798353A CN 201711134226 A CN201711134226 A CN 201711134226A CN 109798353 A CN109798353 A CN 109798353A
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- oil
- gear
- heat exchanger
- air pump
- box
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Abstract
The present invention relates to a kind of high-speed EMUs gearbox lubrication oil coolers, including gear assembly, heat exchanger, recycle oil air pump, controller, micromotor and sensor, the gear assembly is by one or more pairs of various sizes of gears engaged transmissions for being located in gear-box, oil and gas import is provided in the side of the gear-box, the other side is provided with oil gas vent, a lubricating oil external circuiting access is formed by loop hose between the oil and gas import and oil gas vent, heat exchanger and recycle oil air pump are successively connected on the loop hose, the controller passes through control minitype motor driving recycle oil air pump work；The present invention passes through to the external high-temperature oil gas circulation line of gear assembly, by adding heat exchanger and recycle oil air pump on this circulation line, so that the lubricating oil in gear-box remains at a scientific and reasonable operating temperature range, to improve the security reliability of high-speed EMUs operation, reduce rate of breakdown.
Description
Technical field
The present invention relates to high-speed EMUs gear assembly field, in particular to a kind of high-speed EMUs gear
Case lubricant oil cooling apparatus.
Background technique
Currently, high-speed EMUs gear assembly is during high-speed cruising, it occur frequently that gear-box oil leak therefore
Barrier, and generation coupling bolt loosens, shaft coupling fractures, gear case body is damaged, box bearing accessory rhegma, gear-box
A series of problems, such as oil starvation, gear mesh tooth face are sharply worn, the generation of these problems is intricate, and main cause has gear biography
Dynamic device construction, assembling quality, operating condition (speed of service, continuous operation mileage, route climate temperature humidity), operational management
The reason of (wheel tread flat, removing, out-of-roundness, disc braking abnormal etc.) etc..By complete investigation, for various
For model EMU, the probability that gear assembly breaks down is of different sizes, still, permeability occurs in summer high-temperature season
Generally lower than winter temperature season is big for the probability of oil leakage fault, by analysis and research, when lubricating oil temperature is excessively high, causes to lubricate
The technical performance of oil viscosity then substantially reduces；Deformation occurs for aluminum alloy gear case, big pinion gear engaged transmission working face sliding ratio
Increase, i.e., gear-box work calories increase.Due to the continuous long-time high-speed cruising of EMU, flank engagement transmission, gear-box are big
Small bearing runs at high speed, and there are also brake disc braking heat dissipation and climatic environment high temperature and humidity, so that work generation in gear-box
Heat and the heat being dispersed into atmosphere are uneven, and oil gas temperature in gear-box is caused constantly to rise, and pressure increases, and lubricating oil is logical
It crosses joint and pneumostome overflows.
Summary of the invention
The purpose of the present invention is to solve above-mentioned existing defects, and EMU loading drive gear can be reduced by providing one kind
The rate of breakdown set improves the high-speed EMUs gearbox lubrication oil cooler of EMU property safe and reliable to operation.
To achieve the above object, technical scheme is as follows:
A kind of high-speed EMUs gearbox lubrication oil cooler, which is characterized in that including gear assembly, heat exchange
Device, recycle oil air pump, controller, micromotor and sensor, the gear assembly by a pair for being located in gear-box or
Multipair various sizes of gear engaged transmission, the side of the gear-box is provided with oil and gas import, the other side is provided with oil gas vent,
A lubricating oil external circuiting access is formed by loop hose between the oil and gas import and oil gas vent, on the loop hose
It is successively connected to heat exchanger and recycle oil air pump, the controller passes through control minitype motor driving recycle oil air pump work, institute
Stating sensor includes temperature sensor and pressure sensor, and the temperature sensor and pressure sensor are sequentially arranged at heat exchanger
In loop hose between oil gas vent, the sensor is connect with controller.
It as a preferred technical solution, further include equipment compartment, the recycle oil air pump, micromotor, heat exchanger and control
Device processed is each provided in equipment compartment.
It as a preferred technical solution, further include acceleration transducer, the acceleration transducer is mounted on gear-box,
The acceleration transducer is connect with controller.
Be equipped with helical form refrigeration coil in the heat exchanger as a preferred technical solution, the refrigeration coil it is cold
Source import and cold source outlet are each provided at the ipsilateral of heat exchanger, and connect with peripheral hardware air-conditioner set, the heat exchanger bottom end
It is equipped with gas outlet equipped with air inlet, top, the oil gas vent of the gear-box side passes through loop hose and heat exchanger bottom end
Air inlet connection, the gas outlet on the heat exchanger top by loop hose after recycle oil air pump with gear-box side
Oil and gas import connection.
It as a preferred technical solution, further include check valve, the check valve includes the first check valve and second one-way valve,
First check valve is located on the loop hose between heat exchanger bottom end air inlet and gear-box side oil gas vent, described
Second one-way valve is located on the loop hose between recycle oil air pump and gear-box other side oil and gas import.
The flow of the recycle oil air pump is 20liter/min as a preferred technical solution, the power of micromotor is
350W, heat exchanger capacity be 20liter.
The loop hose is the high-temperature resistant rubber hose of internal diameter 12mm as a preferred technical solution,.
The invention has the benefit that can be in the case where not changing gear assembly ontology, by gear drive
The external high-temperature oil gas circulation line of device, by adding heat exchanger and recycle oil air pump on this circulation line, so that gear
Lubricating oil in case remains at a scientific and reasonable operating temperature range, guarantees that the technical performance of lubricating oil meets always
Gear assembly, which works normally, to be needed, thus, the rate of breakdown of EMU gear assembly is reduced, to improve high quick-action
The security reliability of vehicle group operation；Meanwhile structure is simple, construction rationally, temperature control can it is good, using and it is easy to maintain.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of high-speed EMUs gearbox lubrication oil cooler of the present invention.
In figure: 1- gear assembly, 1-1- gear-box, 1-2- gear, 2- heat exchanger, 3- recycle oil air pump, 4- control
Device processed, 5- micromotor, 6- oil and gas import, 7- oil gas vent, 8- loop hose, 9- temperature sensor, 10- pressure sensor,
11- equipment compartment, 12- acceleration transducer, 13- refrigeration coil, the import of 13-1- cold source, the outlet of 13-2- cold source, 14- first are unidirectional
Valve, 15- second one-way valve.
Specific embodiment
The effect of to make to structure feature of the invention and being reached, has a better understanding and awareness, to preferable
Examples and drawings cooperation detailed description, is described as follows:
As shown in Figure 1, a kind of high-speed EMUs gearbox lubrication oil cooler, including gear assembly 1, heat exchange
Device 2, recycle oil air pump 3, controller 4, micromotor 5 and sensor, gear assembly 1 by be located in gear-box 1-1 one
Pair or multipair various sizes of gear 1-2 engaged transmission, the side of gear-box 1-1 is provided with oil and gas import 6, the other side is provided with oil
Gas outlet 7, forms a lubricating oil external circuiting access by loop hose 8 between oil and gas import 6 and oil gas vent 7, soft recycling
Heat exchanger 2 and recycle oil air pump 3 are successively connected on pipe 8, controller 4 drives 3 work of recycle oil air pump by control micromotor 5
Make, sensor includes temperature sensor 9 and pressure sensor 10, and temperature sensor 9 and pressure sensor 10 are sequentially arranged at hot friendship
In loop hose 8 between parallel operation 2 and oil gas vent 7, sensor is connect with controller 4.
It in the present embodiment, further include equipment compartment 11, recycle oil air pump 3, micromotor 5, heat exchanger 2 and controller 4
It is each provided in equipment compartment 11.
It in the present embodiment, further include acceleration transducer 12, acceleration transducer 12 is mounted on gear-box 1-1, adds
Velocity sensor 12 is connect with controller 4.
In the present embodiment, helical form refrigeration coil 13, the cold source import 13-1 of refrigeration coil 13 are equipped in heat exchanger 2
It is each provided at the ipsilateral of heat exchanger 2 with cold source outlet 13-2, and is connect with peripheral hardware air-conditioner set, 2 bottom end of heat exchanger is equipped with
Air inlet, top are equipped with gas outlet, and the oil gas vent 7 of the side gear-box 1-1 passes through loop hose 8 and 2 bottom end of heat exchanger
Air inlet connection, the gas outlet on 2 top of heat exchanger by loop hose 8 after recycle oil air pump 3 with the side gear-box 1-1
Oil and gas import 6 is connected to.
It in the present embodiment, further include check valve, check valve includes the first check valve 14 and second one-way valve 15, and first is single
It is located on the loop hose 8 between 2 bottom end air inlet of heat exchanger and the side gear-box 1-1 oil gas vent 7 to valve 14, second is single
It is located on the loop hose 8 between recycle oil air pump 3 and the other side gear-box 1-1 oil and gas import 6 to valve 15.
In the present embodiment, the flow of recycle oil air pump 3 is 20liter/min, the power of micromotor 5 is 350W, heat
The capacity of exchanger 2 is 20liter.
In the present embodiment, loop hose 8 is the high-temperature resistant rubber hose of internal diameter 12mm.
In the present embodiment, pass through the tooth that temperature sensor 9 detects when atmospheric temperature is higher than to=15 DEG C and controller 4
In roller box 1-1 at t1 >=to+40 DEG C of temperature, controller 4 starts recycle oil air pump 3, gear-box 1-1 by control micromotor 5
Interior high-temperature oil gas is cooled down by loop hose 8 to heat exchanger 2, then, by oil gas after cooling through recycle oil air pump 3
It returns in gear-box 1-1；When controller 4 detects t2≤to+30 DEG C of temperature in gear-box 1-1, recycle oil air pump 3 stops work
Make, is controlled the Lubricating Oil temperature degree in gear-box 1-1 within to+40 DEG C~to+30 DEG C of zone of reasonableness with this, this temperature
The technical performance of lubricating oil in degree range meets gear assembly 1 always and works normally needs, therefore, can reduce gear biography
The failure occurrence probability of dynamic device 1, improves the security reliability of high-speed EMUs operation.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (7)
1. a kind of high-speed EMUs gearbox lubrication oil cooler, which is characterized in that including gear assembly, heat exchange
Device, recycle oil air pump, controller, micromotor and sensor, the gear assembly by a pair for being located in gear-box or
Multipair various sizes of gear engaged transmission, the side of the gear-box is provided with oil and gas import, the other side is provided with oil gas vent,
A lubricating oil external circuiting access is formed by loop hose between the oil and gas import and oil gas vent, on the loop hose
It is successively connected to heat exchanger and recycle oil air pump, the controller passes through control minitype motor driving recycle oil air pump work, institute
Stating sensor includes temperature sensor and pressure sensor, and the temperature sensor and pressure sensor are sequentially arranged at heat exchanger
In loop hose between oil gas vent, the sensor is connect with controller.
2. a kind of high-speed EMUs gearbox lubrication oil cooler according to claim 1, it is characterised in that: further include
Equipment compartment, the recycle oil air pump, micromotor, heat exchanger and controller are each provided in equipment compartment.
3. a kind of high-speed EMUs gearbox lubrication oil cooler according to claim 1, it is characterised in that: further include
Acceleration transducer, the acceleration transducer are mounted on gear-box, and the acceleration transducer is connect with controller.
4. a kind of high-speed EMUs gearbox lubrication oil cooler according to claim 1, it is characterised in that: the heat
Helical form refrigeration coil is equipped in exchanger, the cold source import of the refrigeration coil and cold source outlet are each provided at the same of heat exchanger
Side, and connect with peripheral hardware air-conditioner set, the heat exchanger bottom end is equipped with air inlet, top is equipped with gas outlet, the gear
The oil gas vent of case side is connected to by loop hose with the air inlet of heat exchanger bottom end, the outlet on the heat exchanger top
Mouth is connected to after recycle oil air pump with the oil and gas import of gear-box side by loop hose.
5. a kind of high-speed EMUs gearbox lubrication oil cooler according to claim 1, it is characterised in that: further include
Check valve, the check valve include the first check valve and second one-way valve, first check valve be located at heat exchanger bottom end into
On loop hose between port and gear-box side oil gas vent, the second one-way valve is located at recycle oil air pump and gear-box
On loop hose between the oil and gas import of the other side.
6. a kind of high-speed EMUs gearbox lubrication oil cooler according to claim 1, it is characterised in that: described to follow
The flow of ring oil gas pump is 20liter/min, the power of micromotor is 350W, the capacity of heat exchanger is 20liter.
7. a kind of high-speed EMUs gearbox lubrication oil cooler according to claim 1, it is characterised in that: described to follow
Ring hose is the high-temperature resistant rubber hose of internal diameter 12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711134226.0A CN109798353A (en) | 2017-11-16 | 2017-11-16 | A kind of high-speed EMUs gearbox lubrication oil cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711134226.0A CN109798353A (en) | 2017-11-16 | 2017-11-16 | A kind of high-speed EMUs gearbox lubrication oil cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109798353A true CN109798353A (en) | 2019-05-24 |
Family
ID=66555204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711134226.0A Pending CN109798353A (en) | 2017-11-16 | 2017-11-16 | A kind of high-speed EMUs gearbox lubrication oil cooler |
Country Status (1)
| Country | Link |
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| CN (1) | CN109798353A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780401A (en) * | 2021-01-29 | 2021-05-11 | 徐工消防安全装备有限公司 | Booster pump water-free operation cooling device and method |
-
2017
- 2017-11-16 CN CN201711134226.0A patent/CN109798353A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780401A (en) * | 2021-01-29 | 2021-05-11 | 徐工消防安全装备有限公司 | Booster pump water-free operation cooling device and method |
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