Carbon fiber double-layer soft coating construction scraper

Abstract

The utility model discloses a double-layer soft coating construction scraper made of a carbon fiber material. The scraper comprises a thin plate made of the carbon fiber material, the carbon fiber material supporting back plate is attached to the carbon fiber material thin plate; the lower portion of the carbon fiber thin plate and the lower portion of the carbon fiber supporting back plate are installed in the slit clamping plate, and the carbon fiber thin plate and the carbon fiber supporting back plate are assembled and fixed to the slit clamping plate through screws. The carbon fiber thin plate is configured to be of a special-shaped structure with the upper portion being a wedge-shaped scraper part and the lower portion being a rectangular installation part. The scraper is simple in structure, convenient to operate, low in cost and convenient to popularize, the carbon fiber thin plate blade body can be replaced at any time after being damaged, consumption cost is reduced, site preparation time is saved, funds are saved, site limitation is eliminated, and sites are convenient to clean.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary devices for coating construction on the surface of an arched body of a railway passenger car, in particular to a double-layer soft coating construction scraper made of carbon fiber material. Background Art

[0002] In the process of surface painting of railway passenger car bodies, after the primer is sprayed, putty is needed to fill in the small defects, pits or other processing marks to form a smooth surface for the next painting process.

[0003] The process of scraping putty on the surface of the vehicle body is usually completed manually by operators using a putty scraper. The existing putty scraper uses a spring steel sheet with a thickness of 1mm-1.5mm and a length of 450mm-500mm as the blade. Due to the thick thickness of the blade, it is mainly suitable for flat surface putty scraping operations. For curved surfaces with a certain curvature, the use of existing putty scrapers will result in a stiff putty scraping surface that cannot change well with the shape. There will be blade defects at the intersection of two scrapings, which requires additional repair work and is inefficient. On the other hand, if the thickness of the existing putty scraper is simply reduced to make its blade thinner, the rigidity of its blade body will be insufficient. During the scraping process, the blade body will deform too much, the blade edge will curl up, and irregular curve deformation will occur, resulting in the putty scraped by it being unable to form a uniform and regular arc surface. Furthermore, as an important part of modern railway transportation, the aesthetics of the intelligent EMU is also very important. The streamlined body of the EMU head includes the body ridges, the arcs on both sides of the body, the streamlines on both sides of the body, and the connection area between the plane and the curved arc. When the streamlines on both sides of the body are connected with the body plane and the weld area transitions, the weld conflicts with the pit. There is a large height difference between the streamline profiles on both sides of the body (the height of the streamlines on both sides is 10mm, and the concavity of the weld is 4mm), and the direction of the streamlines on both sides is consistent with the welding of the body welds. A Z-shaped intersection is formed at the position. Due to the long intersection of the streamlines on both sides and the welds, the concentrated number of welds, the large heat input during welding, the uneven temperature distribution, and the uneven cooling and heat dissipation of thin and thick plates, it is easy to cause depression of larger profiles after welding (the intersection of the streamlines on both sides and the welds is 12mm depressed, and the maximum depression depth can reach 15mm). There is a height difference offset against the Z-shaped intersection position, large pits between the arc frames on both sides of the car body, and obvious misalignment, height difference or lack of connection between the front ridge line and the front opening and closing ridge line.

[0004] Therefore, based on the above technical problems, technicians in this field urgently need to develop a double-layer soft coating construction scraper made of carbon fiber material. Utility Model Content

[0005] The purpose of the utility model is to provide a double-layer soft coating construction scraper made of carbon fiber material, which can better adapt to the curve contour changes of the arc surface of the rail passenger car body by bending and deforming the carbon fiber material thin plate during the scraping operation to present a regular and smooth curve, thereby making the scraping layer of the putty round and smooth, greatly reducing the generation of edges and dividing lines on the putty coating, significantly reducing the labor intensity of repeated finishing, and improving work efficiency.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The utility model discloses a double-layer soft coating construction scraper made of carbon fiber material, which comprises:

[0008] Carbon fiber sheet; and

[0009] A carbon fiber material support back plate abutting against the carbon fiber material sheet;

[0010] The lower parts of the carbon fiber thin plate and the carbon fiber supporting back plate are installed in the slit clamping plate, and the carbon fiber thin plate and the carbon fiber supporting back plate are assembled and fixed to the slit clamping plate by screws;

[0011] The carbon fiber thin plate is configured as a special-shaped structure with a wedge-shaped scraper portion at the upper portion and a rectangular mounting portion at the lower portion.

[0012] Furthermore, the carbon fiber material supporting back plate matches the shape and size of the rectangular mounting portion at the bottom of the carbon fiber material sheet and abuts against the rectangular mounting portion.

[0013] Furthermore, the wedge-shaped scraper portion is configured as a wedge-shaped structure with a width gradually increasing from one end of the rectangular mounting portion to the upper end of the carbon fiber material sheet;

[0014] Both ends of the upper end of the wedge-shaped scraper portion are formed into cone-shaped portions, and the angle of the cone-shaped portions is 60°.

[0015] Furthermore, the thickness of the carbon fiber material supporting back plate is greater than the thickness of the carbon fiber material thin plate;

[0016] The width of the carbon fiber material support backboard is not greater than the width of the carbon fiber material sheet;

[0017] The height of the carbon fiber material supporting back plate is 65% to 75% of the height of the carbon fiber material thin plate.

[0018] Further, the slit clamp is configured as a rectangular parallelepiped structure;

[0019] A slit groove is provided in the middle of the upper end of the slit clamping plate, and the lower part of the carbon fiber thin plate and the lower part of the carbon fiber supporting back plate are partially embedded in the slit groove;

[0020] The lower part of the carbon fiber thin plate and the lower part of the carbon fiber supporting back plate are assembled and fixed to the slit clamping plate by at least three screws.

[0021] Furthermore, the slit groove is configured as a rectangular groove or a combination structure of a wedge-shaped groove and a rectangular groove.

[0022] Furthermore, three bolt holes are provided at the lower part of the carbon fiber thin plate, the lower part of the carbon fiber supporting back plate, and the corresponding positions of the slit clamping plate.

[0023] Furthermore, the height of the carbon fiber thin plate is 120 mm, the width of the rectangular mounting portion of the carbon fiber thin plate is 400 mm, and the thickness of the carbon fiber thin plate is 0.5 mm;

[0024] The height of the carbon fiber material supporting back plate is 85 mm, the width of the carbon fiber material supporting back plate is 320 mm, and the thickness of the carbon fiber material supporting back plate is 1 mm.

[0025] Furthermore, the slit clamp has a length of 320 mm, a height of 30 mm, and a thickness of 15 mm;

[0026] The slit groove has a length of 320 mm, a width of 1.5 mm and a depth of 20 mm.

[0027] Furthermore, the spacing between adjacent bolt holes is 120 mm.

[0028] In the above technical solution, the utility model provides a double-layer soft coating construction scraper made of carbon fiber material, which has the following beneficial effects:

[0029] The scraper of the utility model adopts a carbon fiber thin plate as the scraper, and adopts a carbon fiber supporting back plate to support the carbon fiber thin plate, and the two are bonded together and embedded into the slit groove of the slit clamping plate, and then fastened with screws; the carbon fiber thin plate is bent and deformed into a regular arc curve during the scraping operation to better adapt to the curve contour changes of the arc surface of the rail passenger car body, thereby making the scraping layer of the putty round and smooth, greatly reducing the generation of edges and dividing lines on the putty coating, significantly reducing the labor intensity of repeated trimming, and improving work efficiency.

[0030] The scraper of the utility model has a simple structure, is easy to operate, and has a low cost, and is easy to promote and popularize. The carbon fiber thin plate blade can be replaced at any time after being damaged, which reduces consumption costs, saves site preparation time, saves money, eliminates site restrictions, and facilitates site cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. It is obvious that the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0032] Figure 1 This is a structural schematic diagram of a double-layer soft coating construction scraper made of carbon fiber material disclosed in an embodiment of the utility model;

[0033] Figure 2 This is a structural exploded diagram of a double-layer soft coating construction scraper made of carbon fiber material disclosed in an embodiment of the utility model;

[0034] Figure 3 This is a structural schematic diagram of the back side of a double-layer soft coating construction scraper made of carbon fiber material disclosed in an embodiment of the utility model;

[0035] Figure 4 This is a front view of a double-layer soft coating construction scraper made of carbon fiber material disclosed in an embodiment of the utility model;

[0036] Figure 5 for Figure 4 AA section view.

[0037] Description of reference numerals:

[0038] 1. Carbon fiber sheet; 2. Carbon fiber support back plate; 3. Slit splint; 4. Screws; 5. Bolt holes;

[0039] 101, rectangular mounting portion; 102, wedge-shaped scraper portion;

[0040] 301. Slit groove. DETAILED DESCRIPTION

[0041] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0042] See also Figures 1 to 5 As shown;

[0043] A double-layer soft coating construction scraper made of carbon fiber material in this embodiment includes:

[0044] A carbon fiber sheet 1; and

[0045] A carbon fiber material support back plate 2 abutting against the carbon fiber material sheet 1;

[0046] The lower parts of the carbon fiber thin plate 1 and the carbon fiber supporting back plate 2 are installed in the slit clamping plate 3, and the carbon fiber thin plate 1 and the carbon fiber supporting back plate 2 are assembled and fixed to the slit clamping plate 3 by screws 4;

[0047] The carbon fiber thin plate 1 is configured as a special-shaped structure with a wedge-shaped scraper portion 102 at the upper portion and a rectangular mounting portion 101 at the lower portion.

[0048] Specifically, the present embodiment discloses a double-layer soft coating construction scraper made of carbon fiber material, which includes a carbon fiber thin plate 1, a carbon fiber supporting back plate 2 and a slit clamp plate 3; wherein the carbon fiber thin plate 1 and the carbon fiber supporting back plate 2 are abutted against each other, and the carbon fiber supporting back plate 2 is used to support the lower part of the carbon fiber thin plate 1, and the two are embedded in the groove of the slit clamp plate 3 after being abutted against each other, and are fixed by fasteners. The present embodiment uses the carbon fiber thin plate 1 as a scraper, especially the wedge-shaped scraper portion 102 on the upper part of the carbon fiber thin plate 1, and utilizes the scraper portion of the wedge structure and the characteristics of the carbon fiber material, so that the bending deformation presents a regular and smooth curve during the scraping operation, so as to better adapt to the curve contour changes of the arc surface of the rail passenger car body, thereby making the scraping layer of the putty round and smooth, greatly reducing the generation of edges and boundaries on the putty coating, significantly reducing the labor intensity of repeated trimming, and improving work efficiency.

[0049] Preferably, the carbon fiber material support back plate 2 of this embodiment matches the rectangular mounting portion 101 at the lower portion of the carbon fiber material sheet 1 in shape and size, and abuts against the rectangular mounting portion 101 .

[0050] Preferably, the wedge-shaped scraper portion 102 of this embodiment is configured as a wedge-shaped structure with a width gradually increasing from one end of the rectangular mounting portion 101 to the upper end of the carbon fiber material sheet 1;

[0051] Both ends of the upper end of the wedge-shaped scraper portion 102 are formed into tapered portions, and the angle of the tapered portions is 60°.

[0052] This embodiment further defines the structure of the wedge-shaped scraper portion 102, which is a wedge-shaped structure as a whole, and is wide at the top and narrow at the bottom. The width of the working end is large, the scraping area is large at one time, and the angle of the cone corner can adapt to the effect brought by the deformation.

[0053] In order to better support the carbon fiber thin plate 1, the thickness of the carbon fiber support back plate 2 of this embodiment is greater than the thickness of the carbon fiber thin plate 1;

[0054] The width of the carbon fiber material support back plate 2 is not greater than the width of the carbon fiber material sheet 1;

[0055] The height of the carbon fiber material supporting back plate 2 is 65% to 75% of the height of the carbon fiber material thin plate 1 .

[0056] The present embodiment further limits the specification requirements of the carbon fiber material sheet 1 and the carbon fiber material supporting back plate 2. In order to provide support stability, the height of the carbon fiber material supporting back plate 2 of the present embodiment is limited to 65% to 75% of the height of the carbon fiber material sheet 1. This can not only support the carbon fiber material sheet 1 at a higher level, but also avoid affecting the normal operation of the upper wedge-shaped scraper portion 102.

[0057] Preferably, the slit clamping plate 3 of this embodiment is configured as a rectangular parallelepiped structure;

[0058] A slit groove 301 is provided in the middle of the upper end of the slit clamping plate 3, and the lower part of the carbon fiber material sheet 1 and the lower part of the carbon fiber material supporting back plate 2 are partially embedded in the slit groove 301;

[0059] The lower part of the carbon fiber thin plate 1 and the lower part of the carbon fiber supporting back plate 2 are assembled and fixed to the slit clamping plate 3 by at least three screws 4 .

[0060] Preferably, the slit groove 301 of this embodiment is configured as a rectangular groove or a combination structure of a wedge-shaped groove and a rectangular groove.

[0061] The slit groove 301 of the present embodiment can be a rectangular groove, or a combination of a wedge-shaped groove and a rectangular groove. The following embodiments of the present embodiment mainly take the rectangular groove as an example for further explanation and illustration; and a wedge-shaped groove that is wider on the top and narrower on the bottom can be opened on the upper part of the rectangular groove, which can guide the insertion of the embedded carbon fiber material sheet 1 and the carbon fiber material supporting back plate 2 and facilitate disassembly.

[0062] Preferably, three bolt holes 5 are provided at the lower part of the carbon fiber thin plate 1 , the lower part of the carbon fiber supporting back plate 2 , and the corresponding positions of the slit clamping plate 3 of the present embodiment.

[0063] Combined with the process requirements, this embodiment further defines the size and specifications of each component, specifically: the height of the carbon fiber thin plate 1 is 120 mm, the width of the rectangular mounting portion 101 of the carbon fiber thin plate 1 is 400 mm, and the thickness of the carbon fiber thin plate 1 is 0.5 mm;

[0064] The height of the carbon fiber material supporting back plate 2 is 85 mm, the width of the carbon fiber material supporting back plate 2 is 320 mm, and the thickness of the carbon fiber material supporting back plate 2 is 1 mm.

[0065] The length of the slit clamp 3 is 320 mm, the height is 30 mm, and the thickness is 15 mm;

[0066] The slit groove 301 has a length of 320 mm, a width of 1.5 mm, and a depth of 20 mm.

[0067] The spacing between adjacent bolt holes 5 is 120 mm.

[0068] In the above technical solution, the utility model provides a double-layer soft coating construction scraper made of carbon fiber material, which has the following beneficial effects:

[0069] The scraper of the utility model adopts a thin plate of carbon fiber material as a scraper, and adopts a carbon fiber material supporting back plate 2 to support the carbon fiber material thin plate 1, and the two are fitted together and embedded into the slit groove 301 of the slit clamping plate 3, and then fastened with screws 4; the carbon fiber material thin plate 1 is bent and deformed into a regular arc curve during the scraping operation to better adapt to the curve contour changes of the arc surface of the rail passenger car body, thereby making the scraping layer of the putty round and smooth, greatly reducing the generation of edges and boundaries on the putty coating, significantly reducing the labor intensity of repeated trimming, and improving work efficiency.

[0070] The scraper of the utility model has a simple structure, is easy to operate, and has a low cost, and is easy to promote and popularize. The carbon fiber thin plate 1 can be replaced at any time after the blade is damaged, which reduces consumption costs, saves site preparation time, saves money, eliminates site restrictions, and facilitates site cleaning.

[0071] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A double-layer soft coating construction scraper made of carbon fiber, characterized in that: The scraper includes: A carbon fiber sheet (1); and A carbon fiber material support back plate (2) abutting against the carbon fiber material thin plate (1); The lower parts of the carbon fiber thin plate (1) and the carbon fiber supporting back plate (2) are installed in the slit clamping plate (3), and the carbon fiber thin plate (1) and the carbon fiber supporting back plate (2) are assembled and fixed to the slit clamping plate (3) by means of screws (4); The carbon fiber thin plate (1) is configured as a special-shaped structure with a wedge-shaped scraper portion (102) at the top and a rectangular mounting portion (101) at the bottom.

2. A carbon fiber double-layer soft coating construction scraper according to claim 1, characterized in that: The carbon fiber material supporting back plate (2) matches the rectangular mounting portion (101) at the bottom of the carbon fiber material sheet (1) in shape and size, and is in close contact with the rectangular mounting portion (101).

3. The carbon fiber double-layer soft coating construction scraper according to claim 2, characterized in that: The wedge-shaped scraper portion (102) is configured as a wedge-shaped structure with a width gradually increasing from one end of the rectangular mounting portion (101) to the upper end of the carbon fiber material sheet (1); Both ends of the upper end of the wedge-shaped scraper portion (102) are formed into cone-shaped portions, and the angle of the cone-shaped portions is 60°.

4. A carbon fiber double-layer soft coating construction scraper according to claim 2 or 3, characterized in that: The thickness of the carbon fiber material supporting back plate (2) is greater than the thickness of the carbon fiber material thin plate (1); The width of the carbon fiber material supporting back plate (2) is not greater than the width of the carbon fiber material thin plate (1); The height of the carbon fiber material supporting back plate (2) is 65% to 75% of the height of the carbon fiber material thin plate (1).

5. The carbon fiber double-layer soft coating construction scraper according to claim 4, characterized in that: The slit clamping plate (3) is configured as a rectangular parallelepiped structure; A slit groove (301) is provided in the middle of the upper end of the slit clamping plate (3), and the lower part of the carbon fiber thin plate (1) and the lower part of the carbon fiber supporting back plate (2) are partially embedded in the slit groove (301); The lower part of the carbon fiber thin plate (1) and the lower part of the carbon fiber supporting back plate (2) are both assembled and fixed to the slit clamping plate (3) by at least three screws (4).

6. The carbon fiber double-layer soft coating construction scraper according to claim 5, characterized in that: The slit groove (301) is configured as a rectangular groove or a combination structure of a wedge-shaped groove and a rectangular groove.

7. The carbon fiber double-layer soft coating construction scraper according to claim 5, characterized in that: Three bolt holes (5) are provided at the lower part of the carbon fiber thin plate (1), the lower part of the carbon fiber supporting back plate (2), and corresponding positions of the slit clamping plate (3).

8. The carbon fiber double-layer soft coating construction scraper according to claim 4, characterized in that: The height of the carbon fiber thin plate (1) is 120 mm, the width of the rectangular mounting portion of the carbon fiber thin plate (1) is 400 mm, and the thickness of the carbon fiber thin plate (1) is 0.5 mm; The height of the carbon fiber material supporting back plate (2) is 85 mm, the width of the carbon fiber material supporting back plate (2) is 320 mm, and the thickness of the carbon fiber material supporting back plate (2) is 1 mm.

9. The carbon fiber double-layer soft coating construction scraper according to claim 7, characterized in that: The slit clamping plate (3) has a length of 320 mm, a height of 30 mm and a thickness of 15 mm; The slit groove (301) has a length of 320 mm, a width of 1.5 mm and a depth of 20 mm.

10. A carbon fiber double-layer soft coating construction scraper according to claim 9, characterized in that: The spacing between adjacent bolt holes (5) is 120 mm.

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