CN114407388A - Method for repairing surface defects of floor cloth of railway vehicle - Google Patents
Method for repairing surface defects of floor cloth of railway vehicle Download PDFInfo
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- CN114407388A CN114407388A CN202210036535.9A CN202210036535A CN114407388A CN 114407388 A CN114407388 A CN 114407388A CN 202210036535 A CN202210036535 A CN 202210036535A CN 114407388 A CN114407388 A CN 114407388A
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/02—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using liquid or paste-like material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/04—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using preformed elements
- B29C73/10—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using preformed elements using patches sealing on the surface of the article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/24—Apparatus or accessories not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/24—Apparatus or accessories not otherwise provided for
- B29C73/26—Apparatus or accessories not otherwise provided for for mechanical pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/24—Apparatus or accessories not otherwise provided for
- B29C73/26—Apparatus or accessories not otherwise provided for for mechanical pretreatment
- B29C2073/262—Apparatus or accessories not otherwise provided for for mechanical pretreatment for polishing, roughening, buffing or sanding the area to be repaired
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/24—Apparatus or accessories not otherwise provided for
- B29C73/245—Apparatus or accessories not otherwise provided for for removing the element having caused the damage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention provides a method for repairing the surface defects of a railway vehicle floor cloth, which determines the types of the surface defects of the railway vehicle floor cloth to be repaired; if the bag is a bulge, removing air in the bulge area, injecting viscose into the bulge area, and pressing for a period of time; if the scratches are the scratches, the slight scratches are flattened by using a sealant matched with the color of the floor cloth, or the deep scratches are polished and repaired, and the polished powder and the structural adhesive are mixed to flatten the scratches; if the floor cloth is a crevasse or a drum nail, removing the floor cloth in a certain range at the crevasse or the drum nail, pressing the floor cloth, and then bonding the floor cloth to a wire. The invention can quickly and conveniently repair the defects on the surfaces of the floor cloths of the rail vehicles in different scenes, achieves the effect of surface renovation and avoids the waste of the floor cloth materials.
Description
Technical Field
The invention belongs to the technical field of floor cloth surface repair, and particularly relates to a method for repairing surface defects of a floor cloth of a railway vehicle.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
With the rapid development of rail vehicles and the application of new materials, higher requirements are put forward on the aspects of internal performance, appearance color and patterns, comfort, durability and the like of the floor cloth of the rail vehicle. At present, the floor of the rail vehicle is provided with PVC (polyvinyl chloride) material, TPU (thermoplastic polyurethane) material and rubber material, which are all high molecular mixing products, so that the floor has the advantages of good plasticity, low hardness, excellent treading comfort and wear resistance, and can meet the requirement of protecting the floor of the rail vehicle.
Because of the floor cloth is the polymer plastic material, rail vehicle receives environment, automobile body vibration and external other factors influence at the operation in-process, and floor cloth surface can form mar, ageing discolour, swell, drum nail, light loss, can harm pit etc. inevitable, seriously influences passenger's visual effect. Particularly, high-speed motor train units represent national business cards which develop at a high speed, the requirements on the decoration effect and the appearance state in the motor train units are higher, and the motor train units require maintenance every time of repair in factories and section repair. The prior art generally adopts a mode of cutting and replacing floor cloths for repairing, certain color difference exists between new and old floor cloths, and a plurality of irregular welding seams are added in the splicing process, so that the appearance quality is influenced; meanwhile, parts, wall boards and the like in the vehicle are dismantled due to the replacement of the floor cloth, so that the overhaul workload and the overhaul period are increased, even larger overhaul content can be caused due to the replacement, and the waste of the floor cloth material can be caused.
Disclosure of Invention
The invention provides a method for repairing the surface defects of the floor cloth of the railway vehicle, aiming at solving the problems.
According to some embodiments, the invention adopts the following technical scheme:
a method for repairing surface defects of a railway vehicle floor cloth comprises the following steps:
determining the type of the surface defect of the railway vehicle floor cloth to be repaired;
if the bag is a bulge, removing air in the bulge area, injecting viscose into the bulge area, and pressing for a period of time;
if the scratches are the scratches, the slight scratches are flattened by using a sealant matched with the color of the floor cloth, or the deep scratches are polished and repaired, and the polished powder and the structural adhesive are mixed to flatten the scratches;
if the floor cloth is a crevasse or a drum nail, removing the floor cloth in a certain range at the crevasse or the drum nail, pressing the floor cloth, and then bonding the floor cloth to a wire.
Alternatively, in the case of a bulge, the size of the bulge is within a predetermined range, the floor cloth is punctured with a sharp object, and then the inside air is discharged or the air in the bulge is exhausted, and then an instant adhesive is injected into the area for bonding, and after the instant adhesive is repaired, the area is pressed for a certain period of time.
In the alternative, if the bulge is adopted and the size of the bulge exceeds the set range, a small opening is cut at the middle position of the bulge area by using a cutting tool, the self-leveling structural adhesive is injected into the bulge area, and the area is pressed for a period of time.
As an alternative embodiment, the self-leveling structural adhesive is double-component transparent, the volume ratio of the main agent to the curing agent is 1:1, the main agent to the curing agent is one of epoxy and polyurethane, the adhesive strength of the self-leveling structural adhesive to the rubber floor cloth is higher than a set value, the mixed viscosity is 6000-20000mPa.s, the operable time is 10-30 min, the self-leveling property should be lost after 30min mixing, and the Shore A hardness is 50-80.
As an alternative embodiment, the specific process of the smoothing treatment for the light scratch includes: repairing the scratched part by using sealant, mixing and blending the sealant with pigment in advance according to the color requirement of the floor cloth to ensure that the color of the sealant is close to or consistent with the color state of the surface of the floor cloth, bonding adhesive tapes on two sides of the scratched part, leading the edge of each adhesive tape to be tightly attached to the edge of the scratched part, scraping the blended sealant on the scratched part of the floor cloth, carrying out flattening treatment, tearing off the adhesive tapes after the flattening is finished, carrying out oil point repairing cover a roof with straw on the surface of the sealant after the sealant is dried, and ensuring that the color of the oil point is consistent with the color of the surface spraying flower of the floor cloth.
By way of further limitation, the sealant is a flexible moisture-curing sealant, and is one of polyurethane and silane.
As an alternative embodiment, the process of repairing the deep scratches includes: adopting the floor cloth to polish powder and repairing, polishing the back of the leftover material of the floor cloth in the same batch, collecting the polished floor cloth powder, fully mixing the ground cloth powder with transparent AB structural adhesive, obtaining cotton-flocculent filler after mixing, bonding smooth adhesive tapes on two sides of a scratch part, enabling the edge of the adhesive tape to be tightly attached to the edge of the scratch part, coating the filler on the scratch part of the floor cloth in a scraping way, flattening, scattering a thin layer of polishing powder on the surface, polishing the surface of the filler after the filler is dried, enabling the filler to be flat and dull, tearing off the adhesive tape bonded on the surface, wiping the repaired part by using the vanishing wax, performing point oil polishing cover a roof with straw on the repaired surface, and enabling the point oil color to be consistent with the color of the scattered flower on the surface of the floor cloth.
The AB structural adhesive is further limited to be transparent, the opening time is 40-60 min, and the component is one of acrylic acid and epoxy.
As an alternative embodiment, the process of repairing the laceration or the drum nail specifically comprises: repairing by adopting a seamless splicing mode, marking the crevasses or the drum nails, punching the drum nails, taking out the round floor cloth with a certain diameter, coating the floor cloth adhesive in the round holes after repairing, and simultaneously bonding the round floor cloth to the lines.
As a further limitation, the round floor cloth taken out by stamping is pressed on a plane for a set time period due to warping deformation, internal stress generated by stamping is released, and then splicing is carried out; before the small round floor cloth is spliced, a layer of sealant is smeared on the periphery of the joint, and the surface is wiped after the small round floor cloth is spliced, so that water or cleaning agents are prevented from permeating.
Compared with the prior art, the invention has the beneficial effects that:
the invention can quickly and conveniently repair the defects on the surfaces of the floor cloths of the rail vehicles in different scenes, achieves the effect of surface renovation and avoids the waste of the floor cloth materials.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic flow chart of the present embodiment;
FIG. 2 is a schematic diagram illustrating a deep scratch repair process according to the present embodiment;
fig. 3 is a schematic diagram of a drum nail repairing process according to the embodiment.
Detailed Description
The invention is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
A method for repairing surface defects of a railway vehicle floor cloth, as shown in fig. 1, comprising the steps of:
determining the type of the surface defect of the railway vehicle floor cloth to be repaired;
if the bag is a bulge, removing air in the bulge area, injecting viscose into the bulge area, and pressing for a period of time;
if the scratches are the scratches, the slight scratches are flattened by using a sealant matched with the color of the floor cloth, or the deep scratches are polished and repaired, and the polished powder and the structural adhesive are mixed to flatten the scratches;
if the floor cloth is a crevasse or a drum nail, removing the floor cloth in a certain range at the crevasse or the drum nail, pressing the floor cloth, and then bonding the floor cloth to a wire.
Wherein, the repair of the drum packet comprises repair of the drum packet and repair of the drum big packet.
The repair method of the drum packet comprises the following steps: and (3) pricking a bulge area (the bubbling range is less than or equal to (30 multiplied by 30) mm) with a shaving needle, then discharging internal gas or extracting air in the bulge with a syringe, then injecting (20-30) mL of instant adhesive into the area for bonding, after repairing the instant adhesive, pressing the area for more than 1min with hands, and then pressing for 1h with a sand bag.
The drum bale repairing method comprises the following steps: for the bulge area (the bubbling range is more than (30 multiplied by 30) mm), firstly, a small opening is cut at the middle position of the bulge area by using a wallpaper cutter, a two-component glue gun is used for assembling the self-leveling structural glue, a glue nozzle is aligned with the cut of the floor cloth, a trigger of the glue gun is pulled, the structural glue is injected into the bulge area, the area needs to be pressed by hands for more than 1min after the injection is finished, and then, a sand bag is used for pressing for more than 3 h.
The self-leveling structural adhesive used in the method is double-component transparent, the volume ratio of the main agent to the curing agent is 1:1, the main agent and the curing agent can be one of epoxy and polyurethane, the adhesive strength to the rubber floor cloth is certain and is not lower than 1.0MPa, the mixed viscosity is 6000 and 20000mPa.s, the operable time is 10-30 min, the self-leveling property is lost after the mixing for 30min, the Shore A hardness is 50-80, and a certain adhesive force and no corrosion reaction can be achieved on the base material within 24 h.
The mild scratch repair method comprises the following steps: adopt flexible elasticity sealed glue to repair fish tail department, the sealed glue body is grey or white, according to floor cloth colour demand sealed glue use yellow in advance, black, red, green pigment mixes the allotment, guarantee after the allotment that sealed glue colour is close to or unanimous with floor cloth surface color state, to the smooth surface sticky tape of fish tail department both sides bonding, the sticky tape edge is hugged closely in fish tail mouth edge, then use the scraper to scribble the sealed glue of allotment at floor cloth scratch department, and carry out the smoothing processing, tear the sticky tape that pastes after the smoothing, use thin brush pen to carry out the point oil on sealed glue surface and repair cover a roof with straw after sealed glue is dried 24h, the color of point oil is unanimous with floor cloth surface color of spilling flower.
The gray or white sealant is a soft and elastic moisture curing sealant, can be one of polyurethane and silane, has certain bonding strength to the rubber floor cloth, and has cohesive failure degree of over 75 percent at each stage of the surface of the floor cloth when tested according to DIN 54457.
The deep scratch repairing method comprises the following steps: adopting a floor cloth polishing powder to repair, adopting a polishing machine to match 1500# abrasive paper to polish the back of the leftover materials of the floor cloth in the same batch, collecting the ground floor cloth powder, fully mixing the ground floor cloth powder with transparent AB structural adhesive to obtain a cotton-flocculent filler, adhering smooth adhesive tapes on two sides of a scratch part, enabling the edges of the adhesive tapes to be tightly attached to the edge of the scratch part, then using a scraper to scrape the filler on the scratch part of the floor cloth, carrying out leveling treatment, and finally scattering a thin layer of polishing powder on the surface. And after the filler is dried for 24 hours, polishing the surface of the filler by using No. 400 abrasive paper to enable the filler to be dull and smooth, tearing off an adhesive tape adhered to the surface, wiping the repaired part by using cleaning cloth adhered with extinction wax, and finally performing oil spotting and repairing cover a roof with straw on the repaired surface by using a fine writing brush, wherein the oil spotting color is consistent with the color of the floor cloth surface in a pattern.
The AB structural adhesive is transparent, the opening time is 40-60 min, the components are one of acrylic acid and epoxy, the AB structural adhesive has enough adhesive strength for rubber floor cloth, and the 180-degree peel strength is more than 2.5N/mm when tested according to the GB/T2790 standard.
The method for repairing the crevasses or the drum nails comprises the following steps: repairing by adopting a seamless splicing mode, firstly marking the broken opening or the drum nail, then punching the drum nail by using a hollow punch puncher, taking out a small piece of round floor cloth with the punching diameter of 12-15 mm, coating a floor cloth adhesive into the round hole after the screw is repaired, and simultaneously bonding the round floor cloth to the line. The round floor cloth taken out by stamping needs to be pressed on a plane for 24 hours due to warping deformation, internal stress generated by stamping is released, and then splicing is carried out. In order to prevent water seepage of the seams, a layer of sealant is smeared on the periphery of the seams before the small circular floor cloths are spliced, and the surfaces are wiped after the small circular floor cloths are spliced, so that the seams can be sealed and filled, and water or cleaning agents can be prevented from permeating.
Of course, the above mentioned parameters, and the specific practical process, can be adjusted or changed according to the specific conditions of the specific material, the environmental temperature, the humidity, etc.
The process realizes the repair of the surface defects of different types of floor cloths, and the method of the invention is applied to repair the surface defects of the floor cloths, thereby achieving the effect of apparent renovation, and avoiding the enlargement of the overhaul vehicle dismantling range, the prolongation of the overhaul period and the waste caused by the replacement of the floor cloths.
The following description will be made by taking depth scratch and drum nail repair as examples, with reference to the drawings. FIG. 2 is a schematic diagram of deep scratch repair, which is carried out according to the method of the invention to repair a deep scratch area, and the method comprises the steps of firstly grinding the back surfaces of leftover materials of floor cloths in the same batch by using 1500# abrasive paper of a polishing machine, collecting ground floor cloth powder, then fully mixing the ground floor cloth powder with transparent AB structural adhesive to obtain cotton-flocculent fillers, bonding smooth surface adhesive tapes on two sides of a scratch part, enabling the edges of the adhesive tapes to be tightly attached to the edges of the scratch part, then scraping the fillers on the scratch part of the floor cloths by using a scraper, carrying out leveling treatment, and finally scattering a thin layer of ground powder on the surface. After the filler is dried for 24 hours, the surface of the filler is polished by 400# abrasive paper to be smooth, the adhesive tape adhered to the surface of the filler is torn off, the repaired part is wiped by using cleaning cloth adhered with extinction wax, the color difference after repair is small, the requirement is met, and under the condition that the indoor illumination is not lower than 161lux, the filler is observed on a 432mm bench to have no obvious color difference and repair marks.
FIG. 3 is a pictorial illustration of a process for repairing a drum nail, which is performed according to the method of the present invention, and the method comprises marking a broken opening or the drum nail, punching the drum nail by using a hollow punch puncher, wherein the punching diameter is 12 mm-15 mm, taking out a small piece of round floor cloth, coating a floor cloth adhesive into a round hole after screw repairing, and simultaneously bonding the round floor cloth to a wire. The round floor cloth taken out by stamping needs to be pressed on a plane for 24 hours due to warping deformation, internal stress generated by stamping is released, then splicing is carried out, color difference is avoided after repairing, and no obvious seam can be seen when a user sits on a bench with the size of 432mm and observes that the repairing part is visually repaired under the condition that indoor illumination is not lower than 161 lux.
Of course, the above mentioned parameters, and the specific practical process, can be adjusted or changed according to the specific conditions of the specific material, the environmental temperature, the humidity, etc.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. A method for repairing surface defects of a railway vehicle floor cloth is characterized by comprising the following steps:
determining the type of the surface defect of the railway vehicle floor cloth to be repaired;
if the bag is a bulge, removing air in the bulge area, injecting viscose into the bulge area, and pressing for a period of time;
if the scratches are the scratches, the slight scratches are flattened by using a sealant matched with the color of the floor cloth, or the deep scratches are polished and repaired, and the polished powder and the structural adhesive are mixed to flatten the scratches;
if the floor cloth is a crevasse or a drum nail, removing the floor cloth in a certain range at the crevasse or the drum nail, pressing the floor cloth, and then bonding the floor cloth to a wire.
2. The method as claimed in claim 1, wherein if the protrusion is a bulge and the size of the bulge is within a predetermined range, the protrusion is pricked by a sharp object, and then the internal air is discharged or the air in the bulge is exhausted, and the instant adhesive is injected into the area for bonding, and then the pressing is performed for a period of time after the instant adhesive is repaired.
3. The method for repairing surface defects of a floor cloth of a railway vehicle according to claim 1, wherein if the surface defects are bulges and the sizes of the bulges exceed a set range, a small opening is cut at the middle position of the bulge area by using a cutting tool, the self-leveling construction adhesive is injected into the bulge area, and the area is pressed for a period of time.
4. The method for repairing surface defects of a railway vehicle floor cloth as claimed in claim 3, wherein the self-leveling structural adhesive has two-component transparency, the volume ratio of the main agent to the curing agent is 1:1, the adhesive is one of epoxy and polyurethane, the adhesive strength to the rubber floor cloth is higher than a set value, the mixed viscosity is 6000-.
5. The method for repairing surface defects of a railway vehicle floor cloth according to claim 1, wherein the step of smoothing the slight scratches comprises the following steps: repairing the scratched part by using sealant, mixing and blending the sealant with pigment in advance according to the color requirement of the floor cloth to ensure that the color of the sealant is close to or consistent with the color state of the surface of the floor cloth, bonding adhesive tapes on two sides of the scratched part, leading the edge of each adhesive tape to be tightly attached to the edge of the scratched part, scraping the blended sealant on the scratched part of the floor cloth, carrying out flattening treatment, tearing off the adhesive tapes after the flattening is finished, carrying out oil point repairing cover a roof with straw on the surface of the sealant after the sealant is dried, and ensuring that the color of the oil point is consistent with the color of the surface spraying flower of the floor cloth.
6. The method of repairing surface defects in a railway vehicle floor covering according to claim 5, wherein the sealant is a flexible moisture curing sealant which is one of polyurethane and silane.
7. The method of claim 1, wherein the repairing of the deep scratches comprises: adopting the floor cloth to polish powder and repairing, polishing the back of the leftover material of the floor cloth in the same batch, collecting the polished floor cloth powder, fully mixing the ground cloth powder with transparent AB structural adhesive, obtaining cotton-flocculent filler after mixing, bonding smooth adhesive tapes on two sides of a scratch part, enabling the edge of the adhesive tape to be tightly attached to the edge of the scratch part, coating the filler on the scratch part of the floor cloth in a scraping way, flattening, scattering a thin layer of polishing powder on the surface, polishing the surface of the filler after the filler is dried, enabling the filler to be flat and dull, tearing off the adhesive tape bonded on the surface, wiping the repaired part by using the vanishing wax, performing point oil polishing cover a roof with straw on the repaired surface, and enabling the point oil color to be consistent with the color of the scattered flower on the surface of the floor cloth.
8. The method for repairing surface defects of a railway vehicle floor cloth according to claim 7, wherein the AB structural adhesive is transparent, has an open time of 40-60 min, and contains one of acrylic acid and epoxy.
9. The method for repairing surface defects of a railway vehicle floor cloth according to claim 1, wherein the process for repairing the lacerations or the drum nails specifically comprises the following steps: repairing by adopting a seamless splicing mode, marking the crevasses or the drum nails, punching the drum nails, taking out the round floor cloth with a certain diameter, coating the floor cloth adhesive in the round holes after repairing, and simultaneously bonding the round floor cloth to the lines.
10. The method for repairing surface defects of a floor cloth of a railway vehicle according to claim 9, wherein the circular floor cloth taken out by punching is pressed on a plane for a set time period due to warping deformation, internal stress generated by punching is released, and then splicing is performed; before the small round floor cloth is spliced, a layer of sealant is smeared on the periphery of the joint, and the surface is wiped after the small round floor cloth is spliced, so that water or cleaning agents are prevented from permeating.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210036535.9A CN114407388A (en) | 2022-01-13 | 2022-01-13 | Method for repairing surface defects of floor cloth of railway vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210036535.9A CN114407388A (en) | 2022-01-13 | 2022-01-13 | Method for repairing surface defects of floor cloth of railway vehicle |
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| CN114407388A true CN114407388A (en) | 2022-04-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103757866A (en) * | 2013-12-25 | 2014-04-30 | 长春轨道客车股份有限公司 | Railway vehicle floor cloth splicing, repairing and pattern nesting method |
| CN112474232A (en) * | 2020-11-24 | 2021-03-12 | 唐山市祥聿铁路配件有限公司 | Urban rail vehicle floor cloth repairing process |
| CN112983033A (en) * | 2019-12-16 | 2021-06-18 | 中车唐山机车车辆有限公司 | Method for repairing floor cloth of railway vehicle |
| CN113386808A (en) * | 2021-06-04 | 2021-09-14 | 唐山万协铁路配件有限公司 | Method for repairing railway vehicle floor cloth |
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2022
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| CN103757866A (en) * | 2013-12-25 | 2014-04-30 | 长春轨道客车股份有限公司 | Railway vehicle floor cloth splicing, repairing and pattern nesting method |
| CN112983033A (en) * | 2019-12-16 | 2021-06-18 | 中车唐山机车车辆有限公司 | Method for repairing floor cloth of railway vehicle |
| CN112474232A (en) * | 2020-11-24 | 2021-03-12 | 唐山市祥聿铁路配件有限公司 | Urban rail vehicle floor cloth repairing process |
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