CN105413995A - Method for enhancing insulation of electric appliance screen cubicle for locomotive - Google Patents
Method for enhancing insulation of electric appliance screen cubicle for locomotive Download PDFInfo
- Publication number
- CN105413995A CN105413995A CN201510992070.4A CN201510992070A CN105413995A CN 105413995 A CN105413995 A CN 105413995A CN 201510992070 A CN201510992070 A CN 201510992070A CN 105413995 A CN105413995 A CN 105413995A
- Authority
- CN
- China
- Prior art keywords
- spray
- locomotive
- paint
- spraying
- cubicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
- B05D7/227—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes of containers, cans or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/104—Pretreatment of other substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
- B05D7/16—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies using synthetic lacquers or varnishes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a method for enhancing insulation of an electric appliance screen cubicle for a locomotive. According to the method, the inner side of the electric appliance screen cubicle of the locomotive is spray-coated with a high-pressure resin insulating paint of which the model number is JMB-5; the method comprises the following steps: step (1) pre-treating the surface, namely firstly removing foreign matters, dust, priming paint residues and surface attachments from the surface which is to be spray-coated; step (2) washing a spray-coating area, namely wiping the surface which is to be spray-coated by adopting a detergent; step (3) preparing the JMB-5 resin insulating paint; step (4) performing spray-coating, namely performing vertical spray-coating by using a spraying gun of which a nozzle has a distance about 20cm to 25cm from the surface which is to be spray-coated; step (5) curing the paint film, namely curing in an environment at the temperature of 15 to 35 DEG C; step (6) checking, namely checking the spray-coated surface and the spray-coating thickness; step (7) clearing and tidying, namely closing the spraying gun, clearing and washing the spraying gun equipment. The method disclosed by the invention has the advantages of effectively reducing the size of the electric appliance screen cubicle of the locomotive and realizing miniaturization of the electric appliance screen cubicle of the locomotive, so more vehicle-mounted equipment can be arranged on the locomotive.
Description
Technical field
The invention belongs to railway locomotive technical field, particularly relate to the method for a kind of Electrical Apparatus for Locomotive screen cabinet reinforced insulation.
Background technology
Various electric component will be arranged in different electrical appliance screen cabinets according to function difference when designing by current railway locomotive, and the cabinet of electrical appliance screen cabinet all adopts metal material, after cabinet has welded, and first outer surface rust prevention by applying liquid material paint then mounting electrical parts within it.Because the cabinet of electrical appliance screen cabinet all adopts metal material, just must reserve enough electric clearances when the design of electrical appliance screen cabinet, prevent the exposed charged position of electric component from producing electric discharge phenomena to inside metal cabinet.In order to prevent the exposed charged position of electric component to the phenomenon producing electric discharge inside metal cabinet, the charged position of each electric component and the electric clearance at metal position will be ensured.In order to ensure this electric clearance when design electrical appliance screen cabinet just can not parts arrange too closely, this cabinet volume just causing electrical appliance screen cabinet is larger.And along with the development of railway locomotive technology, the new technology that locomotive is implemented gets more and more, and the function that locomotive has also gets more and more, and this also result in the continuous increase of mobile unit, installation space due to locomotive is limited, and the increase of mobile unit makes locomotive space very narrow.In addition, present air pollutants get more and more, and very easily cause the class of insulation between air to decline when pollutant load is more in atmosphere, and the exposed charged position of electric component is also easy produces electric discharge phenomena to metal cabinet.If the exposed charged position of electric component is to the phenomenon creating electric discharge inside metal cabinet, the electric component that generation can be made to discharge damages and causes locomotive normally not use, if have personnel to work near the electrical appliance screen cabinet that electric discharge occurs when there is electric discharge just likely cause personal injury, thus formation potential safety hazard, avoid the exposed charged position of electric component effectively can improve serviceability and the security of locomotive to the phenomenon producing electric discharge inside metal cabinet.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art, provide a kind of and can make the method that dielectric strength effectively improves the volume that simultaneously can reduce again electrical appliance screen cabinet, the Electrical Apparatus for Locomotive improving locomotive operation security shields cabinet reinforced insulation that Electrical Apparatus for Locomotive shields cabinet.
The object of the invention is to be achieved through the following technical solutions, the method of a kind of Electrical Apparatus for Locomotive screen of the present invention cabinet reinforced insulation, it is characterized in that, adopt model be JMB-5 high-pressure resin insulated paint to complete welding and spray inside the electrical appliance screen cabinet of rust prevention by applying liquid material paint, specifically comprise the following steps:
Step 1, surface pretreatment: first remove sprayed surface foreign material, dust, priming paint residue, surface attachments with towel, sand paper etc., then blow off surface residual debris, dust with high pressure air pressure gun;
Step 2, cleaning spraying area: adopt cleaning agent wiping to need sprayed surface, reach clean level;
Step 3, preparation JMB-5 insulation resin paint: stirred in the ratio of 6:1 in host and JM-4 curing agent by high-pressure resin insulated paint JMB-5, mixing time is 5 ~ 8min, leaves standstill 2 ~ 5min stand-by;
Step 4, spraying operation: with spray gun, make the symmetrical center line of spraying keep vertical with to be sprayed, nozzle distance to be sprayed about 20-25cm;
Step 5, film curing: be solidify in 15 DEG C of-35 DEG C of environment in temperature, complete hardening time is 24h;
Step 6, check: visual check sprayed surface, use thickness gauge check coating thickness, if there is defective phenomenon to fill spray;
Step 7, cleaning arrange: close spray gun, cleaning, cleaning spray gun equipment.
In order to realize object of the present invention better, the cleaning agent described in step 2 is positive penta fat of acetic acid.
In order to realize object of the present invention better, the spraying operation first pass described in step 4 by whole covering, after paint film surface drying, with lancet meticulous spraying again, makes paint film even second time with large rifle spraying.
In order to realize object of the present invention better, the coating thickness 0.1mm-0.5mm described in step 5.
Compared with prior art, the invention has the beneficial effects as follows, adopt method of the present invention, by using dielectric strength more than 50Kv/mm's and the strong insulating materials of plasticity, enhance the electric component inside locomotive electric apparatus screen cabinet and the class of insulation between metal cabinet, shorten the secured electrical gap between electric component and metal cabinet, improve the security of locomotive operation; Efficiently reduce the volume of locomotive electric apparatus screen cabinet, achieve locomotive electric apparatus screen cabinet miniaturized, thus make locomotive can arrange more mobile unit.
Detailed description of the invention
For making goal of the invention of the present invention, technical scheme and advantage clearly, carry out clear intactly describing to technical scheme of the present invention below, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment: now reinforced insulation process is carried out to locomotive electric apparatus screen cabinet, Electrical Apparatus for Locomotive of the present invention is adopted to shield the method for cabinet reinforced insulation, by model be JMB-5 high-pressure resin insulated paint to complete welding and spray inside the locomotive electric apparatus of rust prevention by applying liquid material paint screen cabinet, concrete steps are as follows:
Step 1, surface pretreatment: first remove sprayed surface foreign material, dust, priming paint residue, surface attachments with towel, sand paper etc., then blow off surface residual debris, dust with high pressure air pressure gun.
Step 2, cleaning spraying area: adopt the positive penta fat cleaning agent wiping of acetic acid to need sprayed surface, reach clean level.
Step 3, preparation JMB-5 insulation resin paint: stirred in the ratio of 6:1 in host and JM-4 curing agent by high-pressure resin insulated paint JMB-5, mixing time is 5 ~ 8min, leaves standstill 2 ~ 5min stand-by; Adapted amount is joined according to actual needs, matching while using.
Step 4, spraying operation: with spray gun, make the symmetrical center line of spraying keep vertical with to be sprayed, nozzle distance to be sprayed about 20-25cm; For being coated with vertical gusset face, the rotation of wrist should be coordinated, but remain vertical and distance.Spraying operation first pass is with the spraying of large rifle by whole covering, and after about one hour paint film surface drying, second time with lancet meticulous spraying again, make paint film even, smooth, bubble-free, crackle, edge is without stream paint, without dripping paint phenomenon, coating thickness 0.1mm-0.5mm.
Also can select suitable spraying width during concrete operations, crisscross spraying method can be taked for larger area locomotive electric apparatus screen cabinet face, and make paint film even.
Step 5, film curing: be solidify in 15 DEG C of-35 DEG C of environment in temperature, complete hardening time is 24h.
Step 6, check: visual check sprayed surface, use thickness gauge check coating thickness, if sprayed surface and coating thickness have undesirable must filling spray;
Step 7, cleaning arrange: close spray gun, cleaning, cleaning spray gun equipment.
Operating environment: at in-house operation, can not have dust, dust, steam etc.
Environment temperature: temperature is 15 DEG C-35 DEG C.
Garment for clean room and mouth mask, gloves are dressed, with compressed air by blowing down on whole body one time.
According to spraying area requirement, with newspaper and rubber belt material, spray range is carried out description and distinguish.
Adjustment lance driving device, when ensureing spraying without uneven, asymmetric, off and on, nozzle drips the unfavorable conditions such as paint.
Adopt method of the present invention, enhance the electric component inside locomotive electric apparatus screen cabinet and the class of insulation between metal cabinet, the volume that locomotive electric apparatus shields cabinet can be made to reduce, achieve locomotive electric apparatus screen cabinet miniaturized.
Claims (4)
1. a method for Electrical Apparatus for Locomotive screen cabinet reinforced insulation, is characterized in that, adopt model be JMB-5 high-pressure resin insulated paint to complete welding and spray inside the electrical appliance screen cabinet of rust prevention by applying liquid material paint, specifically comprise the following steps:
Step 1, surface pretreatment: first remove sprayed surface foreign material, dust, priming paint residue, surface attachments with towel, sand paper etc., then blow off surface residual debris, dust with high pressure air pressure gun;
Step 2, cleaning spraying area: adopt cleaning agent wiping to need sprayed surface, reach clean level;
Step 3, preparation JMB-5 insulation resin paint: stirred in the ratio of 6:1 in host and JM-4 curing agent by high-pressure resin insulated paint JMB-5, mixing time is 5 ~ 8min, leaves standstill 2 ~ 5min stand-by;
Step 4, spraying operation: with spray gun, make the symmetrical center line of spraying keep vertical with to be sprayed, nozzle distance to be sprayed about 20-25cm;
Step 5, film curing: be solidify in 15 DEG C of-35 DEG C of environment in temperature, complete hardening time is 24h;
Step 6, check: visual check sprayed surface, use thickness gauge check coating thickness, if there is defective phenomenon to fill spray;
Step 7, cleaning arrange: close spray gun, cleaning, cleaning spray gun equipment.
2. the method for Electrical Apparatus for Locomotive screen cabinet reinforced insulation according to claim 1, is characterized in that: the cleaning agent described in step 2 is positive penta fat of acetic acid.
3. the method for Electrical Apparatus for Locomotive screen cabinet reinforced insulation according to claim 1, is characterized in that: the large rifle spraying of the spraying operation first pass described in step 4, by whole covering, after paint film surface drying, with lancet meticulous spraying again, makes paint film even second time.
4. the method for Electrical Apparatus for Locomotive screen cabinet reinforced insulation according to claim 1, is characterized in that: the coating thickness 0.1mm-0.5mm described in step 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510992070.4A CN105413995A (en) | 2015-12-25 | 2015-12-25 | Method for enhancing insulation of electric appliance screen cubicle for locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510992070.4A CN105413995A (en) | 2015-12-25 | 2015-12-25 | Method for enhancing insulation of electric appliance screen cubicle for locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105413995A true CN105413995A (en) | 2016-03-23 |
Family
ID=55492790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510992070.4A Pending CN105413995A (en) | 2015-12-25 | 2015-12-25 | Method for enhancing insulation of electric appliance screen cubicle for locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105413995A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0354489A2 (en) * | 1988-08-05 | 1990-02-14 | Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. | Process for coating substrates with an insulating layer |
| CN202513464U (en) * | 2012-03-28 | 2012-10-31 | 南车株洲电力机车有限公司 | Locomotive electrical appliance cabinet |
| CN103433191A (en) * | 2013-09-16 | 2013-12-11 | 中国北车集团大同电力机车有限责任公司 | Method for insulating high-voltage device configuration area at top of locomotive |
-
2015
- 2015-12-25 CN CN201510992070.4A patent/CN105413995A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0354489A2 (en) * | 1988-08-05 | 1990-02-14 | Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. | Process for coating substrates with an insulating layer |
| CN202513464U (en) * | 2012-03-28 | 2012-10-31 | 南车株洲电力机车有限公司 | Locomotive electrical appliance cabinet |
| CN103433191A (en) * | 2013-09-16 | 2013-12-11 | 中国北车集团大同电力机车有限责任公司 | Method for insulating high-voltage device configuration area at top of locomotive |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108636650A (en) | A kind of multi-faceted spray body of the protective layer of metal fittings | |
| CN102059226B (en) | High-temperature atomization suction nozzle cleaning device | |
| CN207655397U (en) | A kind of spray equipment with dust reduction capability | |
| CN108787296A (en) | A kind of water oil shares electrostatic coating system and its spraying method | |
| CN105413995A (en) | Method for enhancing insulation of electric appliance screen cubicle for locomotive | |
| CN208853084U (en) | A kind of spray equipment of sample | |
| CN207770103U (en) | A kind of lift electrostatic spraying apparatus | |
| CN201823725U (en) | High-temperature atomizing and cleaning suction nozzle device | |
| CN105413927A (en) | Movable paint-recycled flow painting machine | |
| CN105655067B (en) | The online protector and means of defence of the sub- flashover arc of EMUs top insulation | |
| CN109036824B (en) | Dry-type air-core reactor full-encapsulation protection process method | |
| CN209222460U (en) | A kind of lacquer mist coagulant spray equipment with safeguard structure | |
| CN106694341A (en) | Method for repairing damage surface of engine lining | |
| CN215612673U (en) | Electromagnetic shielding door paint spraying apparatus with paint recycling function | |
| CN104307716A (en) | Aluminum plate electrostatic spraying process | |
| CN205318941U (en) | Online protector of EMUs roof insulator flashover electric arc | |
| KR101004967B1 (en) | 2-component painted surface preheating and film removing device | |
| CN205712991U (en) | The colored paint spraying apparatus of a kind of metope | |
| CN205160920U (en) | PCB board equipment sprays a device | |
| CN210757215U (en) | Gas-sand mixed high-voltage electrified cleaning system | |
| CN209793491U (en) | Part processing device for transformer production | |
| CN104324864A (en) | Anti-corrosive method for cylinder body of high-voltage switch | |
| CN217190386U (en) | Paint spraying device for surface treatment of electric vehicle frame | |
| CN105888214A (en) | Wall color paint spraying equipment | |
| CN103406309A (en) | Rotating-type bottle cap cleaning spraying gun |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170328 Address after: 116022 Shahekou, Liaoning, China No. 51 The Strip Applicant after: DALIAN LOCOMOTIVE AND ROLLING STOCK CO., LTD. CNR GROUP Applicant after: CHINA RAILWAY CORPORATION Address before: 116022 Shahekou, Liaoning, China No. 51 The Strip Applicant before: DALIAN LOCOMOTIVE AND ROLLING STOCK CO., LTD. CNR GROUP |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160323 |