CN107965629B - Locomotive traction transformer and oil pipe short-circuiting device thereof - Google Patents
Locomotive traction transformer and oil pipe short-circuiting device thereof Download PDFInfo
- Publication number
- CN107965629B CN107965629B CN201711387273.6A CN201711387273A CN107965629B CN 107965629 B CN107965629 B CN 107965629B CN 201711387273 A CN201711387273 A CN 201711387273A CN 107965629 B CN107965629 B CN 107965629B
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- Prior art keywords
- pipe
- oil
- transformer
- hose
- connectors
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/10—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations
- F16L27/1012—Flanged joints
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/10—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations
- F16L27/107—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations the ends of the pipe being interconnected by a flexible sleeve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/003—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses comprising elements arranged in the hose walls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/30—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses comprising parts inside the hoses only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L43/00—Bends; Siphons
- F16L43/02—Bends; Siphons adapted to make use of special securing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses an oil pipe short-circuiting device of a locomotive traction transformer, which comprises two connectors for respectively communicating an oil outlet pipe and an oil return pipe of the transformer, wherein the head ends of the two connectors are respectively provided with a connecting piece for detachably connecting the opening of the oil outlet pipe or the oil return pipe of the transformer, the tail ends of the two connectors are respectively connected with two ends of a hose, and the two connectors are communicated through the hose. The transformer oil outlet pipe and the oil return pipe are respectively communicated through the two connectors, and the two connectors are communicated through the hose, so that the hose can be deformed randomly, different distances between the transformer oil outlet pipe and the oil return pipe of various types can be adapted, the structure is simple and portable, the installation is quick, the transformer section oil inlet pipe or the oil return pipe does not need to be dismantled, and the working efficiency is improved. The invention also discloses a locomotive traction transformer comprising the oil pipe short-circuiting device.
Description
Technical Field
The invention relates to the field of locomotive traction, in particular to an oil pipe shorting device of a locomotive traction transformer. In addition, the invention also relates to a locomotive traction transformer comprising the oil pipe short-circuiting device.
Background
Because the locomotive traction transformer body is not attached with a cooling system, an oil outlet pipe and an oil return pipe of the transformer are required to be short-circuited under the conditions of transformer chromatographic out-of-tolerance flushing coil, transformer circulating oil filtration, transformer electrifying verification, oil pump detection and the like, and an oil pump is started for circulation. However, in the prior art, a long stainless steel corrugated pipe or a short stainless steel corrugated pipe is generally used for matching with a hard steel pipe short circuit, and because the distance between an oil outlet pipe and an oil return pipe is short, the bending radius of the stainless steel corrugated pipe is larger, and the short circuit of an oil pipe needs to use a long corrugated pipe or uses a short corrugated pipe plus a plurality of sections of hard steel pipes for turning, the weight is heavy; sometimes, a section of oil outlet pipe or oil return pipe is required to be removed, so that the installation is inconvenient and the workload is high; meanwhile, when the stainless steel corrugated pipe is oiled, the pipe has an upward distance, so that exhaust cannot be performed, and gas enters the transformer when oil circulates.
Therefore, how to provide an oil pipe shorting device with a simple and portable structure is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a locomotive traction transformer and an oil pipe short-circuiting device thereof, which are simple and portable in structure, rapid to install and capable of improving working efficiency. The locomotive traction transformer comprises the oil pipe short-circuiting device, is simple and light in structure, is rapid to install and improves working efficiency.
In order to solve the technical problems, the invention provides an oil pipe short-circuiting device of a locomotive traction transformer, which comprises two connectors for respectively communicating an oil outlet pipe and an oil return pipe of the transformer, wherein the head ends of the two connectors are respectively provided with a connecting piece for detachably connecting the opening of the oil outlet pipe or the oil return pipe of the transformer, the tail ends of the two connectors are respectively connected with two ends of a hose, and the two connectors are communicated through the hose.
Preferably, the connecting piece is specifically a flange plate arranged at the head end of the connector.
Preferably, the flange plate connected with the oil outlet pipe is a square flange, connecting holes are formed in four corners of the square flange, the flange plate connected with the oil return pipe is a hexagonal flange, and connecting holes are formed in four corners of the hexagonal flange.
Preferably, the end of the joint is provided with a connecting pipe, the end part of the hose is sleeved on the connecting pipe and tightly wraps the connecting pipe, and the joint conducts the hose through the connecting pipe.
Preferably, the periphery of the connecting pipe is sequentially provided with a plurality of anti-drop grooves along the extending direction of the connecting pipe, and the tail end of the connecting pipe is provided with a hemispherical guide head.
Preferably, the middle part of the connector is provided with an arc-shaped bending, and the opening direction of the head end of the connector is perpendicular to the opening direction of the tail end of the connector.
Preferably, the end openings of both said joints are oppositely arranged and are inclined downwards.
Preferably, the top end of the middle part of the joint is provided with an air outlet, and the air outlet is provided with an exhaust valve for controlling the conduction state with the outside.
Preferably, a transparent hose for observing the exhaust condition is communicated with the outlet of the exhaust valve.
The invention provides a locomotive traction transformer, which comprises a transformer body and an oil pipe shorting device connected with the transformer body, wherein the oil pipe shorting device is specifically any one of the oil pipe shorting devices.
The invention provides an oil pipe short-circuiting device of a locomotive traction transformer, which comprises two connectors for respectively communicating an oil outlet pipe and an oil return pipe of the transformer, wherein the head ends of the two connectors are respectively provided with a connecting piece for detachably connecting the opening of the oil outlet pipe or the oil return pipe of the transformer, and the tail ends of the two connectors are respectively connected with the two ends of a hose and are communicated with the two connectors through the hose. The transformer oil outlet pipe and the oil return pipe are respectively communicated through the two connectors, and the two connectors are communicated through the hose, so that the hose can be deformed randomly, different distances between the transformer oil outlet pipe and the oil return pipe of various types can be adapted, the structure is simple and portable, the installation is quick, the transformer section oil inlet pipe or the oil return pipe does not need to be dismantled, and the working efficiency is improved.
The invention also provides a locomotive traction transformer comprising the oil pipe short-circuiting device, and the locomotive traction transformer has the same technical effects as the oil pipe short-circuiting device has the technical effects, and the locomotive traction transformer is not described in detail herein.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of an oil pipe shorting device according to the present invention;
fig. 2 is a schematic structural diagram of a joint in an embodiment of the oil pipe shorting device provided by the invention.
Detailed Description
The invention provides a locomotive traction transformer and an oil pipe short-circuiting device thereof, which have the advantages of simple and portable structure, quick installation and improvement of working efficiency. The locomotive traction transformer comprising the oil pipe short-circuiting device is simple and light in structure, rapid to install and capable of improving working efficiency.
In order to better understand the aspects of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of an embodiment of an oil pipe shorting device provided by the present invention; fig. 2 is a schematic structural diagram of a joint in an embodiment of the oil pipe shorting device provided by the invention.
The invention provides an oil pipe short-circuiting device of a locomotive traction transformer, which comprises two connectors 1 and a hose 2, wherein the two connectors 1 are respectively communicated with an oil outlet pipe and an oil return pipe of the transformer, namely one end of the two connectors 1 connected with the transformer is a head end, the other end of the two connectors is a tail end, connecting pieces are arranged at the head ends of the two connectors 1 and can be detachably connected with an opening of the oil outlet pipe or the oil return pipe of the transformer, and two ends of the hose 2 are respectively connected with the tail ends of the two connectors 1 and are communicated with the two connectors 1 through the hose 2.
The transformer oil outlet pipe and the oil return pipe are respectively communicated through the two connectors 1, and the two connectors 1 are communicated through the hose 2, so that the hose 2 can be deformed randomly, different distances between the transformer oil outlet pipe and the oil return pipe of various types can be adapted, and the transformer oil outlet pipe and the oil return pipe can be detachably connected through the connecting piece.
The connecting piece can have various forms, can be the flange 11 arranged at the head end of the joint 1, is stable in connection and is convenient to install and detach. Specifically, according to the structures of the transformer oil outlet pipe and the oil return pipe, the flange plate 11 connected with the oil outlet pipe is a square flange, connecting holes are formed in four corners of the square flange, the flange plate 11 connected with the oil return pipe is a hexagonal flange, and connecting holes are formed in four corners of the hexagonal flange. The flange can be provided with a shape which can be adjusted according to the situation, such as a circular flange, etc., or other connection modes, such as the fit of a sleeved sealing sleeve and a tightening nut, etc., are all within the protection scope of the invention.
In the oil pipe shorting device provided by the embodiment of the invention, in order to stably connect the hose 2, a connecting pipe 12 may be arranged at the tail end of the joint 1, the end of the hose 2 is sleeved on the connecting pipe 12 and tightly wraps the connecting pipe 12, and the joint 1 conducts the hose 2 through the connecting pipe 12. That is, the two ends of the connecting pipe 12 are provided with openings, one end of the connecting pipe is connected with the tail end of the joint 1 and is communicated with the joint 1, the other end of the connecting pipe is sleeved in the hose 2 by the hose 2 to conduct the hose 2, and the outer diameter of the connecting pipe 12 is slightly larger than the inner diameter of the hose 2, but the hose 2 has certain elasticity, so that the hose 2 can tightly wrap the connecting pipe 12 to prevent leakage.
Meanwhile, in order to prevent the hose 2 from falling off, a plurality of anti-falling grooves can be formed in the periphery of the connecting pipe 12, the anti-falling grooves are sequentially formed along the extending direction of the connecting pipe 12 and are provided with guide inclined planes, when the hose 2 is installed, the guide inclined planes positively enter the hose 2, and when the falling-off trend occurs, the guide inclined planes can reversely move, so that the connecting pipe 12 is difficult to fall off, and the equipment stability is improved. In order to facilitate the installation, a hemispherical guide head can be arranged at the tail end of the connecting pipe 12, namely, the end far away from the joint 1, namely, the tail end of the connecting pipe 12 is provided with a streamline structure, so that the hose 2 is convenient to enter, and the installation is more convenient and quicker. The joint 1, the flange 11 and the connecting pipe 12 can be integrally formed or can be arranged in a split type, and are all within the protection scope of the invention.
In the oil pipe short-circuiting device provided by the specific embodiment of the invention, the middle part of the joint 1 is provided with the arc-shaped bending, so that the opening direction of the head end of the joint 1 is perpendicular to the opening direction of the tail end of the joint 1, namely the joint 1 is an elbow, the bending angle is 90 degrees, and the bending angle can be adjusted to adapt to different transformers.
In the installation, according to the different positions that different model transformers play oil pipe and return oil pipe set up, the mounting means of two joints 1 also can carry out corresponding adjustment, if play oil pipe and return oil pipe level setting and opening are located same vertical plane, then the head end opening orientation of two joints 1 is the same and the opening is located same vertical plane, the terminal opening of two joints 1 sets up relatively, and all downward sloping, after connecting hose 2, whole device is letter V type, guarantee that fluid flows smoothly, according to play oil pipe and return oil pipe distance's difference, the contained angle of V type changes thereupon, until hose 2 straightens the back and is the extreme distance, can realize follow-up work through changing longer hose 2 of length this moment.
On the basis of the oil pipe shorting device provided in the above embodiments, an air outlet may be further provided at the top end of the middle part of the joint 1, where an air outlet valve 13 for controlling the conduction state with the outside is provided. Under the condition that the transformer is connected with the oil storage cabinet, after the valve on the oil outlet pipe or the oil return pipe is opened, the exhaust valve 13 is opened, the joint 1 is communicated with the outside, under the action of gravity, oil flows into the hose 2 of the oil pipe shorting device from the oil storage cabinet, gas in the hose is discharged to the outside from the gas outlet through the exhaust valve 13, the gas is prevented from entering the transformer during oil circulation, the stability is improved, after the exhaust is completed, the exhaust valve 13 is closed, the outside and the joint 1 are isolated, and the oil circulation is continued. The air outlet is arranged at the highest point of the joint 1, so that the air exhaust work during oiling is facilitated.
In order to observe the exhaust condition, a transparent hose may be connected to the outlet of the exhaust valve 13, and when pure oil without bubbles continuously flows out of the transparent hose, the exhaust valve 13 may be closed.
In addition to the oil pipe shorting device, the specific embodiment of the invention further provides a locomotive traction transformer including the oil pipe shorting device, and the structure of other parts of the locomotive traction transformer is referred to the prior art, and will not be described herein.
The locomotive traction transformer and the oil pipe shorting device thereof provided by the invention are described in detail. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (9)
1. The oil pipe short-circuiting device of the locomotive traction transformer is characterized by comprising two connectors (1) for respectively communicating an oil outlet pipe and an oil return pipe of the transformer, wherein the head ends of the two connectors (1) are respectively provided with a connecting piece for detachably connecting the opening of the oil outlet pipe or the oil return pipe of the transformer, the tail ends of the two connectors (1) are respectively connected with the two ends of a hose (2), and the two connectors (1) are communicated through the hose (2); the end openings of the two connectors (1) are oppositely arranged and are inclined downwards.
2. The oil pipe shorting device as recited in claim 1 wherein said connector is specifically a flange (11) disposed at a head end of said joint (1).
3. The oil pipe shorting device according to claim 2, wherein the flange plate (11) connected with the oil outlet pipe is a square flange, connecting holes are formed in four corners of the square flange, the flange plate (11) connected with the oil return pipe is a hexagonal flange, and connecting holes are formed in four corners of the hexagonal flange.
4. The oil pipe shorting device as recited in claim 1, wherein a connecting pipe (12) is provided at the end of the joint (1), the end of the hose (2) is sleeved on the connecting pipe (12) and tightly wraps the connecting pipe (12), and the joint (1) conducts the hose (2) through the connecting pipe (12).
5. The oil pipe short-circuiting device according to claim 4, characterized in that a plurality of anti-drop grooves are sequentially formed in the periphery of the connecting pipe (12) along the extending direction of the connecting pipe, and a hemispherical guide head is arranged at the tail end of the connecting pipe (12).
6. The oil pipe shorting device according to claim 1, wherein an arc-shaped bending is arranged in the middle of the joint (1), and an opening direction of the head end of the joint (1) is perpendicular to an opening direction of the tail end of the joint (1).
7. The oil pipe shorting device as recited in any one of claims 1 to 6 wherein an air outlet is provided at a top end of a middle part of the joint (1), and an air outlet valve (13) for controlling a conduction state with the outside is provided at the air outlet.
8. The oil pipe shorting device as recited in claim 7 wherein a transparent hose for observing the exhaust condition is connected to the outlet of said exhaust valve (13).
9. A locomotive traction transformer comprising a transformer body and an oil pipe shorting device connected with the transformer body, wherein the oil pipe shorting device is specifically an oil pipe shorting device according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711387273.6A CN107965629B (en) | 2017-12-20 | 2017-12-20 | Locomotive traction transformer and oil pipe short-circuiting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711387273.6A CN107965629B (en) | 2017-12-20 | 2017-12-20 | Locomotive traction transformer and oil pipe short-circuiting device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107965629A CN107965629A (en) | 2018-04-27 |
| CN107965629B true CN107965629B (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711387273.6A Active CN107965629B (en) | 2017-12-20 | 2017-12-20 | Locomotive traction transformer and oil pipe short-circuiting device thereof |
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| Country | Link |
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| CN (1) | CN107965629B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018112932A1 (en) * | 2018-05-30 | 2019-12-05 | Rewag Regensburger Energie- Und Wasserversorgung Ag & Co Kg | Flushing and sampling device for a water house connection |
| CN109545511A (en) * | 2018-12-31 | 2019-03-29 | 淄博鹏太电力设备有限公司 | High-power transformer aluminium flake heat dissipation gooseneck and fabrication and installation technique |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0579921U (en) * | 1992-03-31 | 1993-10-29 | 岐阜愛知電機株式会社 | Vacuum lubrication device for oil-filled electrical equipment |
| CN203099155U (en) * | 2012-12-12 | 2013-07-31 | 国家电网公司 | Multipurpose oil charge and discharge valve flange for transformer |
| CN103456463A (en) * | 2013-09-16 | 2013-12-18 | 南车株洲电机有限公司 | Oil injection device for transformer section maintenance and oil drainage and oil injection method |
| CN203757886U (en) * | 2014-04-03 | 2014-08-06 | 广东美的暖通设备有限公司 | Short-connecting tool, outdoor unit of air conditioner, and air conditioner |
| CN204651126U (en) * | 2015-06-16 | 2015-09-16 | 中国北车集团大连机车车辆有限公司 | Locomotive transformer oil pipe line system |
| CN207584232U (en) * | 2017-12-20 | 2018-07-06 | 中车株洲电机有限公司 | Traction transformer of locomotive and its oil pipe short-circuit device |
-
2017
- 2017-12-20 CN CN201711387273.6A patent/CN107965629B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0579921U (en) * | 1992-03-31 | 1993-10-29 | 岐阜愛知電機株式会社 | Vacuum lubrication device for oil-filled electrical equipment |
| CN203099155U (en) * | 2012-12-12 | 2013-07-31 | 国家电网公司 | Multipurpose oil charge and discharge valve flange for transformer |
| CN103456463A (en) * | 2013-09-16 | 2013-12-18 | 南车株洲电机有限公司 | Oil injection device for transformer section maintenance and oil drainage and oil injection method |
| CN203757886U (en) * | 2014-04-03 | 2014-08-06 | 广东美的暖通设备有限公司 | Short-connecting tool, outdoor unit of air conditioner, and air conditioner |
| CN204651126U (en) * | 2015-06-16 | 2015-09-16 | 中国北车集团大连机车车辆有限公司 | Locomotive transformer oil pipe line system |
| CN207584232U (en) * | 2017-12-20 | 2018-07-06 | 中车株洲电机有限公司 | Traction transformer of locomotive and its oil pipe short-circuit device |
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|---|---|
| CN107965629A (en) | 2018-04-27 |
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