CN207514210U - 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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- CN207514210U CN207514210U CN201721538098.1U CN201721538098U CN207514210U CN 207514210 U CN207514210 U CN 207514210U CN 201721538098 U CN201721538098 U CN 201721538098U CN 207514210 U CN207514210 U CN 207514210U
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Abstract
The utility model is related to a kind of high-speed EMUs gearbox lubrication oil coolers, including gear assembly, heat exchanger, recycle oil air pump, controller, micromachine 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, opposite 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, it is connected to heat exchanger and recycle oil air pump successively on the loop hose, the controller is by controlling minitype motor driving recycle oil air pump to work；This practicality passes through high-temperature oil gas circulation line external to 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 utility model is related to high-speed EMUs gear assembly field, in particular to a kind of high-speed EMUs
Gearbox lubrication oil cooler.
Background technology
At present, high-speed EMUs gear assembly is during high-speed cruising, it occur frequently that the event of gear-box oil leak
Barrier and occur coupling bolt loosen, shaft coupling fracture, gear case body breakage, box bearing accessory rhegma, gear-box
A series of problems, such as oil starvation, gear mesh tooth face are drastically 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, circuit climate temperature humidity), operational management
The reason of (wheel tread flat, stripping, 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 lubrication
The technical performance of oil viscosity then substantially reduces；Aluminum alloy gear case deforms upon, 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, 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 air are uneven, and oil gas temperature in gear-box is caused constantly to rise, and pressure increase, lubricating oil leads to
It crosses joint and pneumostome overflows.
Utility model content
The purpose of this utility model is to solve the defects of above-mentioned existing, and EMU gear biography can be reduced by providing one kind
The rate of breakdown of dynamic device improves the high-speed EMUs gearbox lubrication oil cooler of EMU property safe and reliable to operation.
To achieve the above object, the technical solution of the utility model 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, micromachine and sensor, the gear assembly by a pair for being located in gear-box or
Multipair various sizes of gear engaged transmission, is provided with oil and gas import, opposite side is provided with oil gas vent in the side of the gear-box,
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 connected to heat exchanger and recycle oil air pump successively, the controller is by controlling minitype motor driving recycle oil air pump to work, institute
It states sensor and includes temperature sensor and pressure sensor, 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.
As preferred technical solution, equipment compartment, the recycle oil air pump, micromachine, heat exchanger and control are further included
Device processed is each provided in equipment compartment.
As preferred technical solution, acceleration transducer is further included, the acceleration transducer is mounted on gear-box,
The acceleration transducer is connect with controller.
As preferred technical solution, be equipped with helical form refrigeration coil in the heat exchanger, the refrigeration coil it is cold
Source import and low-temperature receiver outlet are each provided at the homonymy of heat exchanger, and connect with peripheral hardware air-conditioner set, the heat exchanger bottom end
Gas outlet is equipped with 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 connects.
As preferred technical solution, check valve is further included, the check valve includes the first check valve and the second check 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 check valve is located on the loop hose between recycle oil air pump and gear-box opposite side oil and gas import.
As preferred technical solution, the flow of the recycle oil air pump is 20liter/min, the power of micromachine is
350W, heat exchanger capacity be 20liter.
As preferred technical solution, the loop hose is the high-temperature resistant rubber hose of internal diameter 12mm.
The beneficial effects of the utility model are：It can be in the case where not changing gear assembly ontology, by gear
The external high-temperature oil gas circulation line of transmission device, by adding heat exchanger and recycle oil air pump on this circulation line so that
Lubricating oil in gear-box remains at a scientific and reasonable operating temperature range, ensures the technical performance of lubricating oil always
Meet gear assembly normal work needs, so as to the rate of breakdown of reduction EMU gear assembly, to improve height
The security reliability of fast EMU operation；Meanwhile it is simple in structure, construction is reasonable, and temperature control can be good, uses and maintenance side
Just.
Description of the drawings
Fig. 1 is a kind of structure diagram of high-speed EMUs gearbox lubrication oil cooler of the utility model.
In figure：1- gear assemblies, 1-1- gear-boxes, 1-2- gears, 2- heat exchangers, 3- recycle oils air pump, 4- controls
Device processed, 5- micromachines, 6- oil and gas imports, 7- oil gas vents, 8- loop hoses, 9- temperature sensors, 10- pressure sensors,
11- equipment compartments, 12- acceleration transducers, 13- refrigeration coils, the import of 13-1- low-temperature receivers, the outlet of 13-2- low-temperature receivers, 14- first are unidirectional
Valve, the second check valves of 15-.
Specific embodiment
The effect of to make to the structure feature of the utility model and being reached, has a better understanding and awareness, to compared with
Good embodiment and attached drawing cooperation detailed description, are 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, micromachine 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 transmissions, be provided with oil and gas import 6 in the side of gear-box 1-1, opposite side is provided with oil
Gas outlet 7, a lubricating oil external circuiting access is formed between oil and gas import 6 and oil gas vent 7 by loop hose 8, soft recycling
Heat exchanger 2 and recycle oil air pump 3 are connected on pipe 8 successively, controller 4 is by controlling micromachine 5 to drive 3 work of recycle oil air pump
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.
In the present embodiment, equipment compartment 11, recycle oil air pump 3, micromachine 5, heat exchanger 2 and controller 4 are further included
It is each provided in equipment compartment 11.
In the present embodiment, acceleration transducer 12 is further included, 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 low-temperature receiver import 13-1 of refrigeration coil 13 are equipped in heat exchanger 2
The homonymy of heat exchanger 2 is each provided at, and connect with peripheral hardware air-conditioner set with low-temperature receiver outlet 13-2,2 bottom end of heat exchanger is equipped with
Air inlet, top are equipped with gas outlet, and the oil gas vent 7 of gear-box 1-1 sides passes through loop hose 8 and 2 bottom end of heat exchanger
Air inlet connects, the gas outlet on 2 top of heat exchanger by loop hose 8 after recycle oil air pump 3 with gear-box 1-1 sides
Oil and gas import 6 connects.
In the present embodiment, check valve is further included, check valve includes the first check valve 14 and the second check valve 15, and first is single
It is located on the loop hose 8 between 2 bottom end air inlet of heat exchanger and gear-box 1-1 sides 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 gear-box 1-1 opposite sides 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 micromachine 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, when atmospheric temperature is higher than the tooth that to=15 DEG C and controller 4 are detected by temperature sensor 9
In roller box 1-1 during t1 >=to+40 DEG C of temperature, controller 4 is by controlling micromachine 5 to start recycle oil air pump 3, gear-box 1-1
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 in gear-box 1-1 t2≤to+30 DEG C of temperature, recycle oil air pump 3 stops work
Make, 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 the range of degree meets gear assembly 1 and works normally needs always, therefore, can reduce gear biography
The failure occurrence probability of dynamic device 1 improves the security reliability of high-speed EMUs operation.
In conclusion the only preferred embodiment of the utility model, is not used for limiting the utility model implementation
Range, the equivalent change carried out by all shapes according to described in the utility model claims range, construction, feature and spirit is with repairing
Decorations, should all be included in the right of the utility model.
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, micromachine and sensor, the gear assembly by a pair for being located in gear-box or
Multipair various sizes of gear engaged transmission, is provided with oil and gas import, opposite side is provided with oil gas vent in the side of the gear-box,
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 connected to heat exchanger and recycle oil air pump successively, the controller is by controlling minitype motor driving recycle oil air pump to work, institute
It states sensor and includes temperature sensor and pressure sensor, 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：It further includes
Equipment compartment, the recycle oil air pump, micromachine, 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：It further includes
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 low-temperature receiver import of the refrigeration coil and low-temperature receiver 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 by loop hose with the air inlet of heat exchanger bottom end, the outlet on the heat exchanger top
Mouth is connected by oil and gas import of the loop hose with gear-box side after recycle oil air pump.
5. a kind of high-speed EMUs gearbox lubrication oil cooler according to claim 1, it is characterised in that：It further includes
Check valve, the check valve include the first check valve and the second check valve, first check valve be located at heat exchanger bottom end into
On loop hose between gas port and gear-box side oil gas vent, second check valve is located at recycle oil air pump and gear-box
On loop hose between opposite side oil and gas import.
6. a kind of high-speed EMUs gearbox lubrication oil cooler according to claim 1, it is characterised in that：It is described to follow
The flow of ring oil gas pump is 20liter/min, the power of micromachine 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：It is 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 |
|---|---|---|---|
| CN201721538098.1U CN207514210U (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 |
|---|---|---|---|
| CN201721538098.1U CN207514210U (en) | 2017-11-16 | 2017-11-16 | A kind of high-speed EMUs gearbox lubrication oil cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207514210U true CN207514210U (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721538098.1U Active CN207514210U (en) | 2017-11-16 | 2017-11-16 | A kind of high-speed EMUs gearbox lubrication oil cooler |
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| CN (1) | CN207514210U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798353A (en) * | 2017-11-16 | 2019-05-24 | 南京华创交通设备有限公司 | A kind of high-speed EMUs gearbox lubrication oil cooler |
| CN117803702A (en) * | 2024-02-22 | 2024-04-02 | 绍兴淼汇能源科技有限公司 | Lubricating oil heating constant temperature equipment |
-
2017
- 2017-11-16 CN CN201721538098.1U patent/CN207514210U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798353A (en) * | 2017-11-16 | 2019-05-24 | 南京华创交通设备有限公司 | A kind of high-speed EMUs gearbox lubrication oil cooler |
| CN117803702A (en) * | 2024-02-22 | 2024-04-02 | 绍兴淼汇能源科技有限公司 | Lubricating oil heating constant temperature equipment |
| CN117803702B (en) * | 2024-02-22 | 2024-08-23 | 绍兴淼汇能源科技有限公司 | Lubricating oil heating constant temperature equipment |
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