CN103440964A - Equipment for vacuum oil pumping, vacuum oil injecting and leak test after oil injection - Google Patents
Equipment for vacuum oil pumping, vacuum oil injecting and leak test after oil injection Download PDFInfo
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- CN103440964A CN103440964A CN2013104097209A CN201310409720A CN103440964A CN 103440964 A CN103440964 A CN 103440964A CN 2013104097209 A CN2013104097209 A CN 2013104097209A CN 201310409720 A CN201310409720 A CN 201310409720A CN 103440964 A CN103440964 A CN 103440964A
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Abstract
The invention provides equipment for vacuum oil pumping, vacuum oil injecting and leak test after oil injection. The equipment comprises a vacuum oil strainer, an oil storage tank, an oil injection pot, a pipeline control device for communicating various devices, and a hydraulic lifting trolley, wherein the oil injection pot is arranged at the hydraulic lifting trolley, the pipeline control device comprises eight valves, a vacuumizing pipe connected with the vacuum oil strainer, a first liquid outlet pipe, a first liquid inlet pipe, a second liquid outlet pipe connected with the oil storage tank, a second liquid inlet pipe, a third liquid outlet pipe connected with the oil injection pot, and a third liquid inlet pipe; vacuum oil pumping, or vacuum oil injecting, or leak test after oil injection of a transformer and a heating radiator is controlled by the eight valves through controlling parts in the vacuumizing pipe, the first liquid outlet pipe, the first liquid inlet pipe, the second liquid outlet pipe, the second liquid inlet pipe, the third liquid outlet pipe, and the third liquid inlet pipe. By adopting the technical scheme provided by the invention, the equipment has the advantages of reasonable structure, easiness for use and flexibility in control.
Description
Technical field
The present invention relates to the locomotive field, relate in particular to the equipment of leak test after a kind of vacuum oil-pumping, vacuum oil and oiling.
Background technology
Locomotive main transformer is fixed on locomotive as parts independently, has been full of transformer oil in it, and connected radiator is in without oil condition afterwards.In order to guarantee that transformer oil can carry out reliable thermal cycle to transformer body, needs to fill with transformer oil in radiator.During the radiator oiling, need guarantee to inject transformer oil under vacuum.Transformer is with after radiator is connected, the rubber seal of junction is after use after a while, because oil leakage phenomenon appears in a variety of causes in enormous quantities, must change rubber seal in order to solve oil leak, before changing sealing, need original transformer oil in radiator is extracted out, not contaminated in order to guarantee transformer oil, need to guarantee that oil is not subject to the impact of air, environment etc.
Based on above problem, therefore need badly provide a kind of can vacuum oil-pumping, the equipment of leak test after vacuum oil and oiling.
Summary of the invention
The invention provides the equipment of leak test after a kind of vacuum oil-pumping, vacuum oil and oiling, for making up the deficiencies in the prior art, provide a kind of can vacuum oil-pumping, the equipment of leak test after vacuum oil and oiling.
The invention provides a kind of vacuum oil-pumping, the equipment of leak test after vacuum oil and oiling, comprise vacuum oil-filter, fuel reserve tank, lubricating can and the pipe controller that is communicated with each device, also comprise the hydraulic lifting dolly, described lubricating can is placed on described hydraulic lifting dolly, described pipe controller comprises 8 valves, the vacuum-pumping tube that connects described vacuum oil-filter, the first drain pipe, the first feed tube, the second drain pipe that connects described fuel reserve tank, the second feed tube, and the 3rd drain pipe and the 3rd feed tube that connect described lubricating can, described 8 valves are by controlling described vacuum-pumping tube, described the first drain pipe, described the first feed tube, described the second drain pipe, described the second feed tube, part management and control transformer processed in described the 3rd drain pipe and described the 3rd feed tube and the vacuum oil-pumping of radiator, perhaps leak test after vacuum oil or oiling.
Alternatively, after vacuum oil-pumping as above, vacuum oil and oiling, in the equipment of leak test, described fuel reserve tank is full-closed structure.
Alternatively, after vacuum oil-pumping as above, vacuum oil and oiling, in the equipment of leak test, connect described feed tube on described fuel reserve tank, under connect described the second drain pipe.
Alternatively, in the equipment of leak test, be provided with the first level observation window on described fuel reserve tank after vacuum oil-pumping as above, vacuum oil and oiling.
Alternatively, after vacuum oil-pumping as above, vacuum oil and oiling, in the equipment of leak test, described lubricating can is full-closed structure.
Alternatively, after vacuum oil-pumping as above, vacuum oil and oiling, in the equipment of leak test, connect described the 3rd feed tube on described lubricating can, under connect described the 3rd drain pipe, described the 3rd drain pipe is connected with the feed tube of radiator.
Alternatively, after vacuum oil-pumping as above, vacuum oil and oiling, in the equipment of leak test, be provided with the second level observation window on described lubricating can, for confirming the oiling state of radiator.
Alternatively, after vacuum oil-pumping as above, vacuum oil and oiling, in the equipment of leak test, described the 3rd drain pipe is connected with the feed tube of radiator by the flexible pipe adpting flange.
Alternatively, after vacuum oil-pumping as above, vacuum oil and oiling, in the equipment of leak test, described equipment also comprises the nitrogen pressurizer, and described nitrogen pressurizer comprises the nitrogen table.
Alternatively, after vacuum oil-pumping as above, vacuum oil and oiling, in the equipment of leak test, described nitrogen table connects on the pipeline between nitrogen input port and the 5th valve.
The equipment of leak test after vacuum oil-pumping provided by the invention, vacuum oil and oiling, by adopting technique scheme, can make up the deficiencies in the prior art, can provide the equipment of leak test after a kind of vacuum oil-pumping, vacuum oil and oiling, and this device structure is reasonable, easy to use, control flexibly.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the equipment of leak test after the vacuum oil-pumping that Fig. 1 provides for one embodiment of the invention, vacuum oil and oiling.
The structural representation of the fuel reserve tank of the equipment of leak test after the vacuum oil-pumping that Fig. 2 provides for the embodiment of the present invention, vacuum oil and oiling.
The structural representation of pipe controller in the equipment that Fig. 3 is leak test after vacuum oil-pumping, vacuum oil and oiling embodiment illustrated in fig. 1.
The structural representation of the equipment of leak test after the vacuum oil-pumping that Fig. 4 provides for another embodiment of the present invention, vacuum oil and oiling.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
The structural representation of the equipment of leak test after the vacuum oil-pumping that Fig. 1 provides for the embodiment of the present invention, vacuum oil and oiling.As shown in Figure 1, the vacuum oil-pumping of the present embodiment, the equipment vacuum oil filter 1 of leak test after vacuum oil and oiling, fuel reserve tank 2, lubricating can 3 and the pipe controller 4 that is communicated with each device, hydraulic lifting dolly 5, lubricating can 3 is placed on hydraulic lifting dolly 5, pipe controller comprises 8 valves, the vacuum-pumping tube 41 that connects vacuum oil-filter, the first drain pipe 42, the first feed tube 43, the second drain pipe 44 that connects fuel reserve tank 2, the second feed tube 45, and the 3rd drain pipe 46 and the 3rd feed tube 47 that connect lubricating can 3, 8 valves are by controlling vacuum-pumping tube 41, the first drain pipe 42, the first feed tube 43, the second drain pipe 44, the second feed tube 45, part management and control transformer processed in the 3rd drain pipe 46 and the 3rd feed tube 47 and the vacuum oil-pumping of radiator, perhaps leak test after vacuum oil or oiling.
8 valves difference the 1st valve, the 2nd valve, the 3rd valve, the 4th valve, the 5th valve, the 6th valve, the 7th valve, the 8th valve as shown in Figure 1 of the present embodiment.Wherein the function and efficacy of 8 valves in figure is identical, only for identifying the valve of diverse location.
The equipment of leak test after the vacuum oil-pumping of the present embodiment, vacuum oil and oiling, by adopting technique scheme, can make up the deficiencies in the prior art, the equipment of leak test after a kind of vacuum oil-pumping, vacuum oil and oiling can be provided, and this equipment operating is simple, very easy to use.
The casing of the fuel reserve tank 2 in above-described embodiment adopts common 3 thick Plate Weldings to form, and the casing of fuel reserve tank 2 is hermetically sealed, above connects feed tube, under connect drain pipe.Alternatively, the casing lateral layout at fuel reserve tank 2 has the first level observation window.The structural representation of the fuel reserve tank of the equipment of leak test after the vacuum oil-pumping that Fig. 2 provides for the embodiment of the present invention, vacuum oil and oiling.About 300 liters of the tank-volumes of fuel reserve tank 2.This fuel reserve tank 2 is for storing original most of transformer oil of radiator; Also for the container of transformer oil vacuum filtration process circulation oil storage.These fuel reserve tank 2 use are fixed on travelling bogie together with vacuum oil-filter, convenient mobile.
Alternatively, after the vacuum oil-pumping of above-described embodiment, vacuum oil and oiling, the lubricating can 3 of the equipment of leak test is the same with fuel reserve tank 2, is full-closed structure.Connect the 3rd feed tube 47 on lubricating can 3, under connect the 3rd drain pipe 46, the three drain pipes 46 and be connected with the feed tube of radiator.
In like manner, alternatively, lubricating can 3 is provided with the second level observation window on also, for confirming the oiling state of radiator.Alternatively, the 3rd drain pipe 46 is connected with the feed tube of radiator by the flexible pipe adpting flange.
The tank body of the lubricating can 3 of above-described embodiment adopts common 3 thick Plate Weldings to form, and tank body is hermetically sealed, above taps into oil pipe, under connect the radiator oil inlet pipe, interface adopts self-enclosed hydraulic quick coupler.About 110 liters of the tank body volume of lubricating can 3.Lubricating can 3 is during for the radiator vacuum oil, and the part in vacuumizing, play buffer.The part of lubricating can 3 during as the radiator vacuum oil, guarantee that the radiator oiling is all the time in vacuum state and reach the design requirement of filling with radiator.Lubricating can 3 in use, is inserted on the fork of manual hydraulic lifting dolly 5 (opening part of bracing frame at the bottom of tank), with the lifting of forklift, moves up and down actual use height (tank base gets final product higher than radiator).
Alternatively, the equipment of the present embodiment also comprises the nitrogen pressurizer, and this nitrogen pressurizer comprises the nitrogen table.Optional grade you, the nitrogen table connects on the pipeline between nitrogen input port and the 5th valve.
The structural representation of pipe controller in the equipment that Fig. 3 is leak test after vacuum oil-pumping, vacuum oil and oiling embodiment illustrated in fig. 1.As shown in figures 1 and 3, pipe controller 4 comprises 8 each valves and the pipeline and the interface that are communicated with each device, as interface 9 is communicated with the nitrogen input port, the interface 11 that the 4th valve is communicated with is communicated with the 3rd feed tube 47, the interface 10 that the 3rd valve is communicated with is communicated with the second feed tube 45, the interface 2 that the 2nd valve is communicated with is communicated with the first drain pipe 42, the interface 1 that the first valve is communicated with is communicated with vacuum-pumping tube 41, the interface 3 that the 6th valve is communicated with is communicated with the first feed tube 43, the interface 8 that the 6th valve is communicated with is communicated with the second drain pipe 44, interface 7 between the 7th valve and the 8th valve is communicated with radiator, for example by the soft pipe connection flange, be communicated with radiator, the interface 5 that the 8th valve is communicated with is communicated with the 3rd drain pipe 46.
All pipeline fittings of valve and interface and pipeline shown in connected graph 3 (as ball valve, threeway, flexible pipe tube connector) all adopt the standard stainless steel part.Realize the different control function such as leak test after vacuum oil-pumping, vacuum oil and oiling by each valve in open and close figure.
The equipment of the embodiment of the present invention is applicable to oil pumping, the oiling of HXD2C, HXD3 type electric locomotive main transformer radiator.Also be applicable to newly make the vacuum oil after the locomotive main transformer radiator is installed; Be applicable to before the dismounting of section locomotive main transformer radiator the discharge of oil in radiator.This equipment has the comprehensive equipment of vacuumize oil strain, vacuum impregnating wet goods performance.This equipment is mainly by the packaged type vacuum oil-filter, hand propelled hydraulic lifting dolly, the pipeline control system of each device of UNICOM, the nitrogen pressurizer, fuel reserve tank, lubricating can forms, and can meet the extraction of original oil in former radiator and deposit, can carry out vacuum filtration, heating and vacuum impregnating wet goods process to transformer oil, transformer oil inferior can be filtered into and meet the corrected oil that standard index requires fully.
Each application scenarios of the equipment that below the detailed description embodiment of the present invention provides.
1, radiator fault or its junction oil leak dismounting are processed:
1.1 confirm that by oiling device pipeline connection diagram each pipeline of oiling device connects, guarantee on this equipment that each valve all in off position, soft pipe connection flange on this equipment is received to draw (totally 2 places) on valve of transformer oil pipe, also into and out of the oil extraction valve port on the radiator oil pipe.It should be noted that the oil circuit butterfly valve that needs to turn-off between transformer and radiator before operation.
1.2 the transformer oil pipe is drawn to valve open, opens the air vent on composite cooler oil radiator top.
1.3 take out the air in liquid reserve tank: open the 1st valve, the 3rd valve, opening vacuum pump on vacuum oil-filter 1, to make the vacuum pressure in case be that the 1st valve and the 3rd valve can be closed in the 0.06MPa left and right.
1.4 take out the transformer oil in radiator: the 7th valve connection vacuum oil-filter of opening on oiling device makes it be operated in oil pumping state; first oil is pumped in oil filter; open in case of necessity the 3rd valve, the 2nd valve is injected into oil in liquid reserve tank, observes that oil pick-up tube is inherent shuts down during without oil.
1.5 close the valve of drawing on the transformer oil pipe; soft pipe connection flange on equipment is pulled down to changing-over drawing on valve at another oil pipe of transformer; open and draw valve; connecting vacuum oil-filter makes it be operated in oil pumping state; while observing the inherent nothing oil of oil pick-up tube, shut down; now detachable composite cooler carries out troubleshooting, in oil circulating system, allows, under the prerequisite of trapped fuel, by the oil of taking out in outside oil drum, it to be carried out to repairing to meet the injection flow requirement of radiator.
1.6 purification transformer oil: close the 7th valve, open the 6th valve, the 3rd valve, the 2nd valve carry out the circulating-heating vacuum oil filtering; oil temperature is controlled at 30 ℃～60 ℃; after reaching the oil strain requirement, shut down, transformer oil is through injecting in radiator after the assay was approved.
2 radiator oilings (installing qualified composite cooler and annex):
2.1 vacuumize: rising fluid injection tank 3, make fluid injection tank 3 exceed composite cooler, tighten the air vent on composite cooler, now after corresponding vacuum oil-pumping, vacuum oil and oiling, the structural representation of the equipment of leak test is as shown in Figure 4, its operation principle can, with reference to the record of above-described embodiment, not repeat them here in detail.Closing the 3rd valve, the 2nd valve, the 6th valve, open the 1st valve, the 4th valve, the 8th valve, start vacuum oil-filter and vacuumized, is 133Pa when following in vacuum degree, vacuumizes more than 1 hour.
2.2 radiator oiling: close the 1st valve; Open the 2nd valve, the 6th valve, the 8th valve radiator is carried out to oiling, while in the fluid injection tank, oil level being arranged, can shut down.
3 notes nitrogen carry out the pressurize test:
Connect nitrogen, the tune nitrogen pressure is 0.06MPa, closes valve the 2nd valve, the 6th valve, opens the 5th valve, makes system pressure be stabilized in 0.06MPa, closes (valve on source nitrogen) pressurize after 12 hours, and pressure should be without obvious decline.
The design of the equipment of the embodiment of the present invention is mainly for the Maintenance Design at the section locomotive radiator, except thering is the vacuum oil function, also must there is the oil pumping memory function, the small size vacuum oil filter that the major part of this equipment (pumped vacuum systems, oil filtration system) has adopted specialized factory to produce, the heating in vacuum that can guarantee reliably transformer oil is filtered and regeneration, the other parts of equipment (pipe-line control valve etc.) have been carried out rational planning according to actual needs, all affiliated facilities in this equipment all have from locomotive function, have the function of the transportation of splitting simultaneously.
Device embodiment described above is only schematic, wherein the unit as the separating component explanation can or can not be also physically to separate, the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed at least two network element.Can select according to the actual needs some or all of module wherein to realize the purpose of the present embodiment scheme.Those of ordinary skills in the situation that do not pay performing creative labour, can understand and implement.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: its technical scheme that still can put down in writing aforementioned each embodiment is modified, or part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a vacuum oil-pumping, the equipment of leak test after vacuum oil and oiling, it is characterized in that, comprise vacuum oil-filter, fuel reserve tank, lubricating can and the pipe controller that is communicated with each device, also comprise the hydraulic lifting dolly, described lubricating can is placed on described hydraulic lifting dolly, described pipe controller comprises 8 valves, the vacuum-pumping tube that connects described vacuum oil-filter, the first drain pipe, the first feed tube, the second drain pipe that connects described fuel reserve tank, the second feed tube, and the 3rd drain pipe and the 3rd feed tube that connect described lubricating can, described 8 valves are by controlling described vacuum-pumping tube, described the first drain pipe, described the first feed tube, described the second drain pipe, described the second feed tube, part management and control transformer processed in described the 3rd drain pipe and described the 3rd feed tube and the vacuum oil-pumping of radiator, perhaps leak test after vacuum oil or oiling.
2. equipment according to claim 1, is characterized in that, described fuel reserve tank is full-closed structure.
3. equipment according to claim 2, is characterized in that, connects described feed tube on described fuel reserve tank, under connect described the second drain pipe.
4. according to claim 2 or 3 described equipment, it is characterized in that, be provided with the first level observation window on described fuel reserve tank.
5. equipment according to claim 1, is characterized in that, described lubricating can is full-closed structure.
6. equipment according to claim 5, is characterized in that, connects described the 3rd feed tube on described lubricating can, under connect described the 3rd drain pipe, described the 3rd drain pipe is connected with the feed tube of radiator.
7. according to claim 5 or 6 described equipment, it is characterized in that, be provided with the second level observation window on described lubricating can, for confirming the oiling state of radiator.
8. equipment according to claim 6, is characterized in that, described the 3rd drain pipe is connected with the feed tube of radiator by the flexible pipe adpting flange.
9. equipment according to claim 6, is characterized in that, described equipment also comprises the nitrogen pressurizer, and described nitrogen pressurizer comprises the nitrogen table.
10. equipment according to claim 9, is characterized in that, described nitrogen table connects on the pipeline between nitrogen input port and the 5th valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104097209A CN103440964A (en) | 2013-09-10 | 2013-09-10 | Equipment for vacuum oil pumping, vacuum oil injecting and leak test after oil injection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013104097209A CN103440964A (en) | 2013-09-10 | 2013-09-10 | Equipment for vacuum oil pumping, vacuum oil injecting and leak test after oil injection |
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| CN103440964A true CN103440964A (en) | 2013-12-11 |
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| CN2013104097209A Pending CN103440964A (en) | 2013-09-10 | 2013-09-10 | Equipment for vacuum oil pumping, vacuum oil injecting and leak test after oil injection |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103670589A (en) * | 2014-01-06 | 2014-03-26 | 江苏理工学院 | Oil pumping unit |
| CN103824679A (en) * | 2014-02-21 | 2014-05-28 | 广东中鹏电气有限公司 | Transformer vacuum oiling device and oiling method thereof |
| CN105185524A (en) * | 2015-09-28 | 2015-12-23 | 江苏省电力公司泰州供电公司 | Oil-gas separated charged oil supply device of oil immersed mutual inductor and implementation method of oil-gas separated charged oil supply device |
| CN106768694A (en) * | 2016-11-29 | 2017-05-31 | 天威保变（秦皇岛）变压器有限公司 | A kind of new transformer entirety leak testing process |
| CN109360717A (en) * | 2018-12-03 | 2019-02-19 | 山东电工电气集团智能电气有限公司 | Filtering oil for transformer device and system |
| CN109899679A (en) * | 2017-12-07 | 2019-06-18 | 三门核电有限公司 | A kind of oiling device for nuclear leve capillary pressure power transmitter |
| CN114148980A (en) * | 2021-11-02 | 2022-03-08 | 广西电网有限责任公司南宁供电局 | Portable intelligent transformer oil filtering and storing complete device |
| CN115621019A (en) * | 2022-08-22 | 2023-01-17 | 国网宁夏电力有限公司吴忠供电公司 | Multifunctional monitoring platform and method for vacuum oil injection of transformer |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670589A (en) * | 2014-01-06 | 2014-03-26 | 江苏理工学院 | Oil pumping unit |
| CN103670589B (en) * | 2014-01-06 | 2015-12-23 | 江苏理工学院 | Pumping unit |
| CN103824679A (en) * | 2014-02-21 | 2014-05-28 | 广东中鹏电气有限公司 | Transformer vacuum oiling device and oiling method thereof |
| CN103824679B (en) * | 2014-02-21 | 2016-04-27 | 广东中鹏电气有限公司 | A kind of transformer vacuum oil equipment and correction oil injection method thereof |
| CN105185524A (en) * | 2015-09-28 | 2015-12-23 | 江苏省电力公司泰州供电公司 | Oil-gas separated charged oil supply device of oil immersed mutual inductor and implementation method of oil-gas separated charged oil supply device |
| CN106768694A (en) * | 2016-11-29 | 2017-05-31 | 天威保变（秦皇岛）变压器有限公司 | A kind of new transformer entirety leak testing process |
| CN109899679A (en) * | 2017-12-07 | 2019-06-18 | 三门核电有限公司 | A kind of oiling device for nuclear leve capillary pressure power transmitter |
| CN109360717A (en) * | 2018-12-03 | 2019-02-19 | 山东电工电气集团智能电气有限公司 | Filtering oil for transformer device and system |
| CN114148980A (en) * | 2021-11-02 | 2022-03-08 | 广西电网有限责任公司南宁供电局 | Portable intelligent transformer oil filtering and storing complete device |
| CN115621019A (en) * | 2022-08-22 | 2023-01-17 | 国网宁夏电力有限公司吴忠供电公司 | Multifunctional monitoring platform and method for vacuum oil injection of transformer |
| CN115621019B (en) * | 2022-08-22 | 2024-04-12 | 国网宁夏电力有限公司吴忠供电公司 | Multifunctional monitoring platform and monitoring method for vacuum oil injection of transformer |
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Application publication date: 20131211 |