CN115007397A - Movable steel rail painting device - Google Patents
Movable steel rail painting device Download PDFInfo
- Publication number
- CN115007397A CN115007397A CN202210623329.8A CN202210623329A CN115007397A CN 115007397 A CN115007397 A CN 115007397A CN 202210623329 A CN202210623329 A CN 202210623329A CN 115007397 A CN115007397 A CN 115007397A
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- Prior art keywords
- profiling
- paint
- shell
- profiling shell
- moving
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 57
- 239000010959 steel Substances 0.000 title claims abstract description 57
- 238000010422 painting Methods 0.000 title claims abstract description 31
- 239000003973 paint Substances 0.000 claims abstract description 82
- 241000870659 Crassula perfoliata var. minor Species 0.000 claims abstract description 50
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 4
- 239000012466 permeate Substances 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/06—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length by rubbing contact, e.g. by brushes, by pads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
Landscapes
- Coating Apparatus (AREA)
Abstract
The invention relates to a movable steel rail painting device which comprises a profiling shell, a movable assembly, a movable handle, a paint channel, a paint container and a profiling paint brush, wherein the profiling shell is provided with a plurality of moving parts; the inner contour of the profiling shell corresponds to the shape of the outer contour of the steel rail; the profiling paint brush is uniformly arranged along the inner contour of the profiling shell and is in interference fit with the slot, and the inside of the profiling shell is of a hollow structure communicated with the slot; the moving assemblies are respectively arranged at the bottom ends of the two sides of the profiling shell and are symmetrical with each other; the bottom end of the profiling shell and the top end of the movable assembly are in interference fit; the upper end of the paint channel is coaxially connected with the paint container in an interference manner, and the lower end of the paint channel is communicated with the inside of the profiling shell; the moving handle is arranged between the rear ends of the two side moving assemblies. Paint is poured into the paint container and flows into the profiling shell through the paint channel, one side of the profiling paint brush adsorbs the other side of the paint in the profiling shell to be in full contact with the steel rail surface, the paint is coated on the steel rail surface, the moving handle is pushed to realize the movement of the device along the steel rail direction, and the painting of the steel rails with different lengths is realized.
Description
Technical Field
The invention relates to the technical field of railway maintenance, in particular to a movable steel rail painting device.
Background
The railway as a convenient transportation means has a great effect in the development of the whole society, and the railway industry is further rapidly constructed and developed along with the continuous development of the economy of China. The demand for steel rails as basic materials for railway construction is increasing. The railway laying area is the space that exposes outside mostly, and the rail surrounding environment is complicated changeable can cause the corruption of rail certain degree to influence the operation safety of train, in order to avoid the rail to appear corroding the phenomenon, need do the painting on the rail surface after the rail processing is accomplished and handle.
At present, because the length and the size of the steel rail are longer, the types of the steel rail are various, and the section shape of the steel rail is complicated and changeable, the steel rail needs to be painted with complicated and changeable surface painting, and few devices suitable for painting the steel rail surface are available on the market. When steel rail production enterprises paint the surface of the steel rail, workers mainly brush the steel rail, only small-area steel rail surfaces can be painted by one-time brushing, the steel rail surface shape change parts are difficult to paint uniformly, the whole painting treatment can be completed by repeating for many times, and the steel rail painting treatment consumes time and labor and is low in efficiency.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a mobile rail painting apparatus, wherein paint flows through a paint channel into a profiling shell under the action of gravity after being contained in a paint container, and is uniformly painted on each surface of a rail to be painted by a profiling paint brush, after the front profiling paint brush and the rear profiling paint brush are painted twice, the painted surfaces are uniformly painted and have good quality, and the apparatus can be moved along the rail direction by pushing a moving handle, thereby improving painting efficiency.
The technical scheme adopted by the invention is as follows:
the invention provides a movable steel rail painting device which comprises a profiling shell, a movable assembly, a movable handle, a paint channel, a paint container and a profiling painting brush, wherein the profiling shell is provided with a plurality of moving parts; the inner contour of the profiling shell corresponds to the shape of the outer contour of the steel rail; a slot is formed in the middle of the inner contour line of the profiling shell, the profiling paint brush is uniformly arranged along the inner contour of the profiling shell and is in interference fit with the slot, and the inside of the profiling shell is of a hollow structure communicated with the slot; the moving assemblies are respectively arranged at the bottom ends of the two sides of the profiling shell and are symmetrical to each other; the bottom end of the profiling shell and the top end of the movable assembly are in interference fit; the paint container is connected to the middle part of the top end of the profiling shell through a paint channel; the upper end of the paint channel is coaxially connected with the paint container in an interference manner, and the lower end of the paint channel is communicated with the interior of the profiling shell; the moving handle is arranged between the rear ends of the two side moving assemblies.
Further, the moving assembly comprises a moving plate, a first handle positioning pin, a second handle positioning pin, a first moving plate pin, a second moving plate pin, a first guide wheel and a second guide wheel; the upper end surface of the moving plate and the bottom end of the profiling shell are provided with grooves in corresponding positions; two supports are arranged in parallel on the front side and the rear side of the lower end face of the moving plate; the second guide wheel and the first guide wheel are respectively connected to the bottom of the moving plate in a rotating manner through a second moving plate pin and a first moving plate pin; the movable handle is of a concave structure, and two ends of the opening side of the movable handle are fixedly connected with the end faces of the outer sides of the rear ends of the two side movable plates through a first handle positioning pin and a second handle positioning pin respectively.
Further, when the profiling shell is vertically placed, the profiling shell comprises a left bottom surface and a right bottom surface, and the two bottom surfaces are both planes and correspond to the groove in shape; and two bottom surfaces of the profiling shell are respectively installed with the grooves on the upper end surfaces of the moving plates on the two sides in an interference fit manner.
Furthermore, the overall shape of the profiling paint brush corresponds to the shape of the outer contour of the steel rail; the profiling paint brush is in contact connection with the slotting part of the profiling shell through interference fit; the profiling paint brush protrudes out of the inner side of the profiling shell and is directly and fully contacted with the surface of the steel rail to be painted; the profiling paint brush is uniformly distributed along the profile shapes of the profiling shell and the surface of the steel rail; the planes of the profiling paint brush are parallel to each other and perpendicular to the plane of the moving plate.
Furthermore, the profiling paint brush is made of materials which are soft in texture, wear-resistant, easy to permeate paint, easy to brush and good in adsorption, and paint is prevented from dripping.
Further, threads are machined at the lower end of the paint channel; the middle part of the top end of the profiling shell is provided with a threaded hole corresponding to the thread at the lower end of the paint channel; the lower end of the paint channel is in threaded connection with the top end of the profiling shell.
Compared with the prior art, the invention has the following beneficial effects:
the device comprises two profiling shells, a profiling paint brush, a profiling handle, a handle positioning pin, a guide wheel, a left moving plate, a right moving plate, a handle positioning pin, a steel rail surface shape change part, a steel rail surface part, a steel rail part, a steel surface part and a steel surface part, a steel surface. The profiling painting brush is in full contact with the surface of the steel rail to be painted during painting due to the design of the profiling form, so that the painting quality is improved, the moving handle is pushed to paint the steel rail for a long time, and the painting efficiency is improved; meanwhile, the steel rails of different types can be painted by changing the shape and the size of the profiling paint brush.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a schematic view of a portion A of FIG. 1;
FIG. 3 is a schematic view of another aspect of the present invention;
FIG. 4 is a schematic view of the overall structure of the present invention with the rails removed;
FIG. 5 is a schematic front view of the present invention;
FIG. 6 is a schematic left side view of the present invention;
FIG. 7 is a schematic view of the coupling arrangement of the contoured shell and contoured paint brush and paint passage of the present invention;
fig. 8 is a schematic view of the structure of the moving plate of the present invention.
Wherein, the reference numbers: : 1-a steel rail; 2-back profiling shell; 3-back profiling paint brush; 4-post paint channel; 5-post paint container; 6-a front paint container; 7-front paint channel; 8-front profile shell; 9-front profiling paint brush; 10-moving the handle; 11-a first handle alignment pin; 12-a second handle alignment pin; 13-a first moving plate pin; 14-a first guide wheel; 15-moving the board; 16-a second guide wheel; 17-a second moving plate pin; 18-a groove; 19-second moving plate pin holes; 20-a first moving plate pin hole; 21-second handle alignment pin hole; 22-first handle alignment pin hole.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
It should be noted that in the description of the present invention, it should be noted that the terms "upper", "lower", "top", "bottom", "one side", "the other side", "left", "right", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not mean that a device or an element must have a specific orientation, be configured in a specific orientation, and be operated.
Referring to fig. 1-8, the detailed structure of an embodiment of the mobile rail painting device of the present invention is shown. In this embodiment, two front and rear contoured shells are provided, specifically, the device includes a rear contoured shell 2, a rear contoured paint brush 3, a rear paint channel 4, a rear paint container 5, a front paint container 6, a front paint channel 7, a front contoured shell 8, a front contoured paint brush 9 moving assembly, and a moving handle 10.
The front profiling shell 8 and the rear profiling shell 2 have the same structure, are arranged in parallel side by side at a certain distance from front to back, and have inner contours corresponding to the shape of the outer contour of the steel rail 1; the inner end surfaces of the front profiling shell 8 and the rear profiling shell 2 are provided with a slot along the contour line thereof, the front profiling paint brush 9 and the rear profiling paint brush 3 are respectively and uniformly arranged along the inner contours of the front profiling shell 8 and the rear profiling shell 2 and are in interference fit with the slot, and the interiors of the front profiling shell 8 and the rear profiling shell 2 are hollow structures communicated with the slot; the moving assemblies are respectively arranged between the left bottom ends and the right bottom ends of the front profiling shell 8 and the rear profiling shell 2, and the moving assemblies on the two sides are symmetrical to each other; the bottom ends of the front profiling shell 8 and the rear profiling shell 2 are in interference fit with the top end of the movable assembly; the front paint container 6 is connected to the middle part of the top end of the front profiling shell 8 through a front paint channel 7; the rear paint container 5 is connected to the middle of the top end of the rear conformal shell 2 through a rear paint channel 4; the upper end of the front paint channel 7 is coaxially connected with the front paint container 6 in an interference manner, and the lower end of the front paint channel is communicated with the inside of the front profiling shell 8; the upper end of the rear paint channel 4 is coaxially connected with the rear paint container 5 in an interference manner, and the lower end of the rear paint channel is communicated with the interior of the rear profiling shell 2; the lower ends of the front paint channel 7 and the rear paint channel 4 are both provided with threads, and the middle parts of the top ends of the front profiling shell 8 and the rear profiling shell 2 are respectively provided with threaded holes corresponding to the threads at the lower ends of the front paint channel 7 and the rear paint channel 4; the lower end of the paint channel is connected with the top end of the profiling shell through threads; the moving handle 10 is fixedly connected between the rear ends of the two side moving assemblies.
The moving assembly comprises a moving plate 15, a first handle positioning pin 11, a second handle positioning pin 12, a first moving plate pin 13, a second moving plate pin 17, a first guide wheel 14 and a second guide wheel 16; the front and rear sides of the upper end surface of the moving plate 15 are respectively provided with a groove 18 at the position corresponding to the bottom end of one side of the front profiling shell 8 and the rear profiling shell 2; two supports are arranged in parallel on the front side and the rear side of the lower end face of the moving plate 15, a first moving plate pin hole 20 is formed in one support, and a second moving plate pin hole 19 is formed in the other support; the second guide wheel 16 and the first guide wheel 14 are respectively and rotatably connected in the second moving plate pin hole 19 and the first moving plate pin hole 20 through a second moving plate pin 17 and a first moving plate pin 13; the movable handle 10 is of a concave structure, two ends of the opening side of the movable handle are punched at fixed positions, a first handle positioning pin hole 22 and a second handle positioning pin hole 21 are sequentially arranged on the outer side end face of the rear end of the movable plate 15, two ends of the movable handle 10 are fixedly connected with the outer side end faces of the rear ends of the movable plates 15 at two sides through a first handle positioning pin 11 and a second handle positioning pin 12, and the movable handle 10 is matched with the first guide wheel 14 and the second guide wheel 16 to push the device to move linearly along the direction of the steel rail 1 to be painted; when the front profiling shell 8 and the rear profiling shell 2 are vertically placed, the front profiling shell and the rear profiling shell comprise a left bottom surface and a right bottom surface, and the two bottom surfaces are both planes and correspond to the grooves 18 on the front side and the rear side of the upper end surface of the moving plate 15 in shape; the left bottom surfaces of the front profiling shell 8 and the rear profiling shell 2 are respectively installed with the grooves on the front side and the rear side of the upper end surface of the left moving plate 15 in an interference fit manner; the right bottom surfaces of the front profiling shell 8 and the rear profiling shell 2 are respectively installed with the grooves on the front side and the rear side of the upper end surface of the right moving plate 15 in an interference fit mode.
The overall shapes of the front profiling paint brush 9 and the rear profiling paint brush 3 correspond to the shape of the outer contour of the steel rail 1; the front profiling paint brush 9 and the rear profiling paint brush 3 are respectively in contact connection with the slotted parts of the front profiling shell 8 and the rear profiling shell 2 through interference fit; the front profiling paint brush 9 and the rear profiling paint brush 3 protrude out of the inner side of the profiling shell and are in direct and full contact with the surface of the steel rail 1 to be painted; the profiling paint brush is uniformly distributed along the profile shapes of the profiling shell and the surface of the steel rail 1; the planes of the front profiling paint brush 9 and the rear profiling paint brush 3 are parallel to each other and are vertical to the plane of the moving plate 15; the front profiling paint brush 9 and the rear profiling paint brush 3 are both made of materials which are soft in texture, wear-resistant, easy to permeate paint, easy to brush and good in adsorption, and the paint is prevented from dripping. Paint is poured into the front paint container 6 and the rear paint container 5 respectively, the paint flows into the front profiling shell 8 and the rear profiling shell 2 through the front paint channel 7 and the rear paint channel 4 respectively, the front profiling paint brush 9 adsorbs the paint in the front profiling shell 8, the rear profiling paint brush 3 adsorbs the paint in the rear profiling shell 2, the front profiling paint brush 9 and the rear profiling paint brush 3 are sequentially in direct contact with the surface of the steel rail 1 to be painted, the paint is quickly and uniformly painted on the surface of the steel rail 1, the moving handle 10 is pushed to move along the direction of the steel rail 1, and steel rail painting operation with different lengths is achieved.
The invention has the following action principle: when the device is used, a steel rail 1 is fixedly placed, then the movable handle 10 is pushed to ensure that the front profiling paint brush 9 and the rear profiling paint brush 3 are in full contact with the painted surface of the steel rail 1, paint is poured into the front paint container 6 and the rear paint container 5, the paint flows into the front profiling shell 8 and the rear profiling shell 2 through the front paint channel 7 and the rear paint channel 4, the front profiling paint brush 9 and the rear profiling paint brush 3 are used for uniformly painting the paint on the surface of the steel rail 1, when the device moves along the same direction of the steel rail 1, each position on the surface of the steel rail 1 is painted twice, the painting quality is good, the movable handle 10 is pushed to move along the direction of the steel rail 1, the long-distance painting of the steel rail 1 can be realized, the painting efficiency is high, the front profiling paint brush 9 is changed, the shape and the size of the rear profiling paint brush 3 can realize the painting of different types of steel rails, and the adaptability is good.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (6)
1. A portable rail painting device which characterized in that: the device comprises a profiling shell, a moving assembly, a moving handle, a paint channel, a paint container and a profiling paint brush; the inner contour of the profiling shell corresponds to the shape of the outer contour of the steel rail; a slot is formed in the middle of the inner contour line of the profiling shell, the profiling paint brush is uniformly arranged along the inner contour of the profiling shell and is in interference fit with the slot, and the inside of the profiling shell is of a hollow structure communicated with the slot; the moving assemblies are respectively arranged at the bottom ends of the two sides of the profiling shell and are symmetrical with each other; the bottom end of the profiling shell and the top end of the movable assembly are in interference fit; the paint container is connected to the middle part of the top end of the profiling shell through a paint channel; the upper end of the paint channel is coaxially connected with the paint container in an interference manner, and the lower end of the paint channel is communicated with the interior of the profiling shell; the moving handle is arranged between the rear ends of the two side moving assemblies.
2. A mobile rail painting installation according to claim 1, wherein: the moving assembly comprises a moving plate, a first handle positioning pin, a second handle positioning pin, a first moving plate pin, a second moving plate pin, a first guide wheel and a second guide wheel; the upper end surface of the moving plate and the bottom end of the profiling shell are provided with grooves in corresponding positions; two supports are arranged in parallel on the front side and the rear side of the lower end face of the moving plate; the second guide wheel and the first guide wheel are respectively connected to the bottom of the moving plate in a rotating manner through a second moving plate pin and a first moving plate pin; the movable handle is of a concave structure, and two ends of the opening side of the movable handle are fixedly connected with the end faces of the outer sides of the rear ends of the two side movable plates through a first handle positioning pin and a second handle positioning pin respectively.
3. A mobile rail painting apparatus according to claim 2, wherein: when the profiling shell is vertically placed, the profiling shell comprises a left bottom surface and a right bottom surface, and the two bottom surfaces are both planes and correspond to the groove in shape; and two bottom surfaces of the profiling shell are respectively installed with the grooves on the upper end surfaces of the moving plates on the two sides in an interference fit manner.
4. A mobile rail painting apparatus according to claim 1, wherein: the overall shape of the profiling paint brush corresponds to the shape of the outer contour of the steel rail; the profiling paint brush is in contact connection with the slotting part of the profiling shell through interference fit; the profiling paint brush protrudes out of the inner side of the profiling shell and is directly and fully contacted with the surface of the steel rail to be painted; the profiling paint brush is uniformly distributed along the profile shapes of the profiling shell and the surface of the steel rail; the planes of the profiling paint-coating brushes are parallel to each other and perpendicular to the plane of the moving plate.
5. A mobile rail painting apparatus according to claim 4, wherein: the profiling paint brush is made of materials which are soft in texture, wear-resistant, easy to permeate paint, easy to brush and good in adsorption, and paint is prevented from dripping.
6. A mobile rail painting apparatus according to claim 1, wherein: the lower end of the paint channel is provided with a thread; the middle part of the top end of the profiling shell is provided with a threaded hole corresponding to the thread at the lower end of the paint channel; the lower end of the paint channel is in threaded connection with the top end of the profiling shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210623329.8A CN115007397A (en) | 2022-06-01 | 2022-06-01 | Movable steel rail painting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210623329.8A CN115007397A (en) | 2022-06-01 | 2022-06-01 | Movable steel rail painting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115007397A true CN115007397A (en) | 2022-09-06 |
Family
ID=83073207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210623329.8A Pending CN115007397A (en) | 2022-06-01 | 2022-06-01 | Movable steel rail painting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115007397A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3009197A1 (en) * | 2014-10-14 | 2016-04-20 | Giacomo Massimi | Device for roller painting |
| CN208146277U (en) * | 2017-12-28 | 2018-11-27 | 攀钢集团攀枝花钢钒有限公司 | A kind of walking mechanism for rail spraying |
| CN208712058U (en) * | 2018-07-13 | 2019-04-09 | 中建八局第二建设有限公司 | A kind of red convenient brush of white oil paint of plane |
| CN209348922U (en) * | 2018-10-12 | 2019-09-06 | 陕西长美科技有限责任公司 | A kind of rail automatic spray apparatus |
| CN212550230U (en) * | 2020-06-12 | 2021-02-19 | 深圳市红商轨道交通有限公司 | Device is paintd with antirust agent to subway track construction |
| CN113000246A (en) * | 2021-02-01 | 2021-06-22 | 陈航平 | Japanning device suitable for different broad faces of steel construction |
| CN213831255U (en) * | 2020-11-26 | 2021-07-30 | 郑州优波科新材料股份有限公司 | Multifunctional working vehicle |
| CN214107731U (en) * | 2020-10-28 | 2021-09-03 | 张龙 | Automatic oiling station of rail |
-
2022
- 2022-06-01 CN CN202210623329.8A patent/CN115007397A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3009197A1 (en) * | 2014-10-14 | 2016-04-20 | Giacomo Massimi | Device for roller painting |
| CN208146277U (en) * | 2017-12-28 | 2018-11-27 | 攀钢集团攀枝花钢钒有限公司 | A kind of walking mechanism for rail spraying |
| CN208712058U (en) * | 2018-07-13 | 2019-04-09 | 中建八局第二建设有限公司 | A kind of red convenient brush of white oil paint of plane |
| CN209348922U (en) * | 2018-10-12 | 2019-09-06 | 陕西长美科技有限责任公司 | A kind of rail automatic spray apparatus |
| CN212550230U (en) * | 2020-06-12 | 2021-02-19 | 深圳市红商轨道交通有限公司 | Device is paintd with antirust agent to subway track construction |
| CN214107731U (en) * | 2020-10-28 | 2021-09-03 | 张龙 | Automatic oiling station of rail |
| CN213831255U (en) * | 2020-11-26 | 2021-07-30 | 郑州优波科新材料股份有限公司 | Multifunctional working vehicle |
| CN113000246A (en) * | 2021-02-01 | 2021-06-22 | 陈航平 | Japanning device suitable for different broad faces of steel construction |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220906 |
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