CN210378266U

CN210378266U - Full-aluminum structure intelligent traffic stop board

Info

Publication number: CN210378266U
Application number: CN201921721574.2U
Authority: CN
Inventors: 查伟民; 韩骏
Original assignee: FANGDA NEW MATERIAL (JIANGXI) CO LTD
Current assignee: FANGDA NEW MATERIAL (JIANGXI) CO LTD
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-04-21
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses an all-aluminum structure intelligent transportation station board, the to-be-solved technical problem of the utility model is to provide an all-aluminum structure intelligent transportation station board's implementation, including base, support fossil fragments system, decoration panel. The base is formed by welding vertical wing plates on two sides of an aluminum alloy plate with the thickness of 10mm and connecting the vertical wing plates with a support keel to support the whole stop board; the supporting keel system is composed of two vertical upright posts and a transverse stabilizer bar, and the functions of installing the decoration panel and enhancing the structural strength are realized; the decorative panel consists of front and rear fluorocarbon-sprayed aluminum alloy panels, a top sealing plate, left and right decorative profiles, and the appearance effect of the traffic stop board and the real-time display of traffic information are realized; the utility model discloses an aluminum alloy panel and aluminum alloy ex-trusions adopt welding and bolted connection's mode to realize the all-aluminum alloying of traffic stop board for raw and other materials, have long service life, green, structural strength is high, fluorocarbon spraying outward appearance beautiful advantage.

Description

Full-aluminum structure intelligent traffic stop board

Technical Field

The utility model relates to an all-aluminum structure intelligent transportation stop board belongs to the application of aluminium and aluminum alloy class new material field

Background

With the official release of the notification of the first creation of the city list of the public transportation city construction comprehensively promoted by the department of transportation about the publication of the period "thirteen five", 50 cities as the first creation cities will comprehensively promote the public transportation city construction. Each pilot city starts to accelerate the development of green traffic, promote the construction of intelligent traffic stop boards and gradually establish an intelligent public traffic system. At present, the intelligent traffic stop board adopted in the traffic field is mostly manufactured by processing a stainless steel plate or a composite material, the outer surface of the stainless steel plate is mainly treated by galvanizing or common powder coating, and the outer surface of the composite material is usually directly treated by the color of the material without special treatment. This type of traffic stop sign still has the following drawbacks to be solved: (1) the stainless steel plate material is heavy and inconvenient to transport and install, and the composite material is light in weight but relatively poor in structural strength; (2) the surface of the stainless steel plate is galvanized, has single color, is poor in weather resistance of common powder coating, becomes old after being placed in an outdoor environment for two to three years, and is poor in appearance and appearance, so that the appearance and the appearance of the city are influenced; (3) the adhesion force of a paint film coated with surface powder is generally easy to cause the condition that the paint film falls off after being used for a long time, and the use is seriously influenced; (4) because the plasticity of the stainless steel plate is common, most of the traffic stop boards used at present are in a square shape, and the whole shape is single. Aiming at the defects and shortcomings of the mode, the traffic stop board made of other new materials is expected to replace the existing traffic stop board made of stainless steel plates or composite materials, and the traffic stop board is expected to have the advantages that the material is light and convenient to transport and install, the plasticity of the material is good, the processing is easy, so that the stop board has a unique appearance effect, and the coating has good weather resistance and can achieve the effect of being new all the time by adopting a novel surface treatment process.

Disclosure of Invention

The utility model aims at providing a to the not enough of prior art, provide an all aluminium structure intelligent transportation stop board.

The utility model discloses the technical problem that will solve adopts following technical scheme to realize:

an intelligent traffic stop board with an all-aluminum structure comprises a base, a support keel system and a decoration panel.

The base is characterized in that an aluminum alloy plate with the thickness of 10mm is used as a bottom plate and is fixed to the ground through foundation bolts, two vertical plates with bolt holes are welded on the bottom plate vertically in 90 degrees and are connected with a left wing plate and a right wing plate of the base through bolts, a square tube reinforcing rib is welded on the base transversely, a lower side sealing plate is installed below the base through self-tapping screws for decoration, and a lower sealing plate is welded on the top of the lower side sealing plate for sealing the whole decoration surface; the supporting keel system is connected with the base through a left upright post and a right upright post through bolts, two stabilizing units and a top stabilizing cross bar are arranged between the left upright post and the right upright post through bolts, each stabilizing unit consists of a middle stabilizing cross bar, an upper stabilizing cross bar, a lower stabilizing cross bar and an inclined supporting stabilizing bar and is connected with the left upright post and the right upright post through a first connecting angle aluminum and a second connecting angle aluminum to play a role in supporting and stabilizing; the decoration panel is for encircleing the panel that plays decorative effect all around supporting keel system, and the molding design of arc in order to realize whole station board is processed into with front panel and rear panel simultaneously, and processing has LOGO and display screen installation position to come real-time display traffic information through bolted connection fixed liquid crystal display on the face of front panel. The installation of preceding panel and rear panel is fixed through the face edge card in the draw-in groove of advancing left side decorative board and right side decorative board reservation, and processing has the round hole and is connected through the left and right stand of bolt and support fossil fragments system on left side decorative board and the right side decorative board, and processing has self tapping nail hole to be connected through self tapping nail and left side decorative board, right side decorative board top on sealing the board face on, and left buckle and right buckle then are direct card to advance left side decorative board and right side decorative board openly.

The base comprises a base, a lower sealing plate, a left wing plate, a right wing plate, a square tube reinforcing rib and a lower side sealing plate, wherein the base is formed by welding three 3003 series aluminum alloy plates with the thickness of 10mm, a bottom plate is processed into an arc line shape with a head straight line and a tail straight line on two sides, a large round hole is processed in the center of the plate surface, and four small holes are processed on the periphery of the plate surface and used for being fixed with the ground. Two vertical plates with square holes and round holes are welded at two ends of the bottom plate in 90 degrees, and bolt holes are formed in the plate surface and used for connecting the left wing plate and the right wing plate; the lower sealing plate is of a 3003 series aluminum alloy flat plate structure and is symmetrical to a front plate and a rear plate, and waist-shaped holes are formed in the surfaces of the lower sealing plate and the front plate and the rear plate which are identical in structure; the left wing plate adopts 6063T6 opening extruded aluminum alloy section, the section of the section is designed pertinently according to the technical requirement of the product, a bolt hole is processed on the middle surface of the wing plate to be connected with a welding vertical plate of the base, and four rectangular holes are processed for penetrating through the reinforcing rib of the square pipe and welding; the right wing plate and the left wing plate have the same structure and are symmetrically arranged at the time; the square tube reinforcing rib is an aluminum alloy square tube section with the cross section of 2.0 × 30mm and is fixed on the left wing plate and the right wing plate through welding; the lower side sealing plate is an arc-shaped aluminum alloy plate which is processed by 3003 series aluminum alloy with the thickness of 2.0mm through a roller arc process, and two sides of the lower side sealing plate are fixed on the left wing plate and the right wing plate through self-tapping nails to play a role in plugging and decorating the lower part of the base.

The supporting keel system comprises a left upright post, a right upright post, a top stabilizing cross bar, a middle stabilizing cross bar upper part, a middle stabilizing cross bar lower part, an inclined supporting stabilizing bar, a connecting angle aluminum I and a connecting angle aluminum II, wherein the left upright post adopts 6063T6 opening extruded aluminum alloy section, the section of the section is pertinently designed according to the technical requirements of products, and a round hole is processed on the middle surface of the left upright post section; the structure and the material of the right upright post are the same as those of the left upright post and are symmetrically arranged with the left upright post; the top stabilizing cross bar is processed into a structure with a U-shaped section by adopting a 3003 series aluminum alloy plate with the thickness of 3.0mm through a plurality of punching and bending processes, and two ends of the top stabilizing cross bar are respectively reversely bent with a hem with the length of 25mm and are punched with round holes; the material, structure and installation mode of the middle stabilizing cross rod are the same as those of the top stabilizing cross rod, and the installation position is positioned at the upper part of a single stabilizing unit; the material, structure and installation mode of the lower part of the middle stabilizing cross rod are the same as those of the top stabilizing cross rod, and the installation position is positioned at the lower part of a single stabilizing unit;

the diagonal bracing stabilizer bar is made of 6063T6 aluminum alloy section with a U-shaped section, splicing oblique angles are cut at two ends of the section, and bolt holes are formed in the two ends of the section; the connecting angle aluminum is characterized in that firstly, 3003 series aluminum alloy with the thickness of 3.0mm is bent into a 60-degree angle, and two surfaces are respectively provided with a round hole; the second connecting angle aluminum is formed by bending 3003 series aluminum alloy with the thickness of 3.0mm into an angle of 120 degrees and respectively punching a round hole on two surfaces.

The decorative panel comprises a front panel, a rear panel, a left decorative panel, a right decorative panel, a display screen, an upper sealing plate, a left pinch plate and a right pinch plate, wherein the front panel is a single-curved panel which is processed by adopting an aluminum alloy plate with the thickness of 5.0mm through the processes of punching and rolling arcs, the upper part of the front panel is processed with a groove for installing LOGO through a sheet metal process, and the middle part of the front panel is processed with a groove for installing the display screen; the material and the modeling structure of the rear panel are basically the same as those of the front panel, and the difference is that the surface of the rear panel is smooth and has no groove; the left decorative plate is actually an extruded aluminum alloy section made of 6063T6 material, the section of the section is designed in a targeted manner according to the technical requirements of products, for example, clamping grooves are designed on two sides for mounting a front panel and a rear panel, the front side is designed into a cavity structure and is designed into a concave-convex clamping manner to realize the mounting of the pinch plate, so that the effect that a bolt cannot be mounted on the appearance is achieved; the right decorative plate is the same as the left decorative plate in material and structure, and the installation mode is symmetrical to that of the left decorative plate; the display screen is a common liquid crystal display screen, and can display various traffic information and other non-traffic information such as weather, news and the like in real time; the upper sealing plate is a 3003 series aluminum alloy plate which is processed into a shape similar to an ellipse, and a round hole is processed on the plate surface to connect the upper sealing plate with the left and right decorative plates together through a self-tapping screw; the left buckle plate is an aluminum alloy section made of 6063T6, and the section of the section is designed into a buckling type, and the left buckle plate is clamped into a cavity reserved in the front face of the left decorative plate in a buckling mode; the right pinch plate is made of the same material and the same structure as the left pinch plate and is arranged on the right decorative plate in a buckling mode.

The outer surfaces of all the components of the decorative panel are subjected to surface treatment by adopting a fluorocarbon spraying process, and the surface colors are various and can be selected.

The beneficial effects of the utility model are that all spare parts of whole traffic stop board are constituteed and are all adopted aluminium or aluminum alloy material, support the fossil fragments system and adopt 6063T6 aluminum alloy ex-trusions and the decoration panel adopts 3003 series aluminum alloy panel to make overall structure adopt the weight greatly reduced of steel sheet and steel skeleton relatively structural strength does not have obvious weakening simultaneously. The aluminum alloy plate has good plasticity, so that the processing performance is good, and the single-curve or even double-curve shape of the stop board can be realized, so that the appearance shape of the product is not single any more. The decoration panel of the whole traffic stop board adopts a fluorocarbon spraying process, the appearance color selectivity is high, the quality guarantee period of fluorocarbon paint is nearly 20 years, the stop board can keep bright appearance for a long time, and the quality problems of influencing the appearance and the appearance of the city, such as color difference, paint film falling, light loss and the like can be avoided. Meanwhile, the aluminum and the aluminum alloy have higher recycling value, are more convenient and natural relative to the steel plate, are more environment-friendly and accord with the national sustainable development concept.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the support keel system of the present invention;

fig. 3 is a schematic structural view of the decorative panel of the present invention;

fig. 4 is a schematic structural view of the base of the present invention;

FIG. 5 is a schematic structural view of a top mounting mode of the present invention;

fig. 6 is a schematic structural diagram of a single stabilizing unit of the present invention;

in the figure: 1. a base; 2. a support keel system; 3. a decorative panel; 101. a base; 102. a lower sealing plate; 103. a right wing panel; 104. a lower side closing plate; 105. a vertical plate; 106. reinforcing ribs for the square pipes; 107. a left wing panel; 201. a left upright post; 202. a right upright post; 203. a top stabilizing cross bar; 204. the middle part is stabilized on the cross bar; 205. a sprag stabilizer bar; 206. the middle part is arranged below the stabilizing cross bar; 207. connecting a second angle aluminum; 208. connecting the first corner aluminum; 301. a liquid crystal display screen; 302. a front panel; 303. a left pinch plate; 304. a left side decorative plate; 305. an upper sealing plate; 306. a right decorative plate; 307. a rear panel; 308. right buckle plate

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the following embodiments and drawings.

As shown in fig. 1, 2, 4, 5 and 6, the intelligent traffic stop board with the all-aluminum structure comprises a base 1, a support keel system 2 and a decorative panel 3.

The base 1 is fixed on a ground concrete structure through foundation bolts, a vertical plate 105 which is provided with two bolt holes and is vertically welded on a bottom plate at 90 degrees is connected with a left wing plate 107 and a right wing plate 103 of the base 1 through bolts, a square tube reinforcing rib 106 is transversely welded on the base 1, a lower side sealing plate 104 is installed below the base 1 through self-tapping screws for decoration, and a lower sealing plate 105 is welded on the top of the lower side sealing plate 104 for sealing the whole decoration surface; the supporting keel system 2 is connected with the base 1 through a left upright 201 and a right upright 202 through bolts, two stabilizing units and a top stabilizing cross bar 203 are installed between the left upright 201 and the right upright 202 through bolts, each stabilizing unit consists of a middle stabilizing cross bar upper 204, a middle stabilizing cross bar lower 206 and an inclined strut stabilizing bar 205 and is connected with the left upright 201 and the right upright 202 through a connecting angle aluminum I208 and a connecting angle aluminum II 207 to play a role in supporting and stabilizing; the decoration panel 3 is for surrounding the panel that plays decorative effect around supporting fossil fragments system 2, and the molding design of arc in order to realize whole station board is processed into with front panel 302 and rear panel 307 simultaneously, and it has LOGO and display screen installation position to process on the face of front panel 302 to show traffic information through bolted connection fixed liquid crystal display 301 in real time. The front panel 302 and the rear panel 307 are clamped into the clamping groove reserved for the left decorative plate 304 and the right decorative plate 306 through the plate surface edge to realize the front panel 302 and the rear panel 307 to be fixedly installed, round holes are processed on the left decorative plate 304 and the right decorative plate 306 and are connected with the left upright column 201 and the right upright column 202 of the support keel system 2 through bolts, a self-tapping nail hole is processed on the plate surface of the upper sealing plate 305 and is connected with the left decorative plate 304 and the top of the right decorative plate 306 through a self-tapping nail, and the left buckle plate 303 and the right buckle plate 308 are directly clamped into the front surfaces of the left decorative plate 304 and the right decorative plate.

The base 1 comprises a base 101, a lower sealing plate 102, a right wing plate 103, a lower sealing plate 104, a vertical plate 105, a square tube reinforcing rib 106 and a left wing plate 107; the base 1 is formed by fixedly installing a left wing plate 107 and a right wing plate 103 on a base 101 through bolts, square holes are processed in the middles of the plate surfaces of the left wing plate 107 and the right wing plate 103 and used for penetrating through a square pipe reinforcing rib 106 and performing welding fixation, the front and the back of the lower position of the base 1 are provided with lower side sealing plates 104 through self-tapping screws, the surfaces of the lower side sealing plates 104 are treated through a fluorocarbon spraying process, the front and the back of each lower side sealing plate are butted and wrapped on the base 101, and the mounting positions of the lower sealing plates 102 are arranged on the front and the back of the upper portion of the lower side sealing plates 104 and.

The support keel system 2 comprises a left upright 201, a right upright 202, a top stabilizing cross bar 203, a middle stabilizing cross bar upper 204, an inclined strut stabilizing bar 205, a middle stabilizing cross bar lower 206, a connecting angle aluminum II 207 and a connecting angle aluminum I208; the left upright column 201 is made of 6063T6 open aluminum alloy extruded section, five round holes are formed in the lower end plate surface of the section to connect the left upright column 201 to the left wing plate 107 of the base 1 through bolts, two small holes are formed in the upper end of the section to be connected with the top stabilizing cross bar 203 through bolts, and a plurality of small holes are formed in the middle of the section to be connected with the middle stabilizing cross bar upper 204, the inclined strut stabilizing bar 205 and the middle stabilizing cross bar lower 206; the structure and the material of the right upright column 202 are the same as those of the left upright column 201, and the installation and fixing mode is the same as that of the left upright column 201; the top stabilizing cross bar 203 is a cross bar with a U-shaped cross section formed by bending 3003 series aluminum alloy plates, two ends of the cross bar are reversely bent to form folded edges, and round holes are formed in the folded edges and used for connecting the left upright 201 and the right upright 202 to play a role in supporting and stabilizing; the structure of the middle stabilizing cross bar upper 204 is the same as that of the top stabilizing cross bar 203, the mounting position is arranged at the upper part of a single stabilizing unit between the left upright 201 and the right upright 202, and the middle stabilizing cross bar upper 204 is connected with the left upright 201 and the right upright 202 by bolts; the diagonal bracing stabilizer bar 205 is formed by processing two end chamfers of a 6063T6 aluminum alloy section bar, bolt holes are processed at the positions of the chamfers at the two ends, and the upper surface and the lower surface of the two ends are respectively connected with a connecting angle aluminum II 207 and a connecting angle aluminum I208 by bolts; the structure and the installation mode of the lower middle stabilizing cross bar 206 are the same as those of the upper middle stabilizing cross bar 204, and the installation position is arranged at the lower part of a single stabilizing unit; the second connecting angle aluminum 207 is formed by bending a 3003 series aluminum alloy plate, round holes are machined in two bending surfaces and are respectively connected with the inclined strut stabilizing bar 205 and the left upright 201 or the right upright 202 through bolts; the first connecting angle aluminum 208 is formed by bending 3003 series aluminum alloy plates, round holes are machined in two bending surfaces, and the round holes are respectively connected with the inclined strut stabilizing bar 205 and the left upright 201 or the right upright 202 through bolts.

The decorative panel 3 comprises a liquid crystal display 301, a front panel 302, a left buckle plate 303, a left decorative plate 304, an upper sealing plate 305, a right decorative plate 306, a rear panel 307 and a right buckle plate 308; the liquid crystal display screen 301 is a common liquid crystal display screen and can display traffic information in real time, and the liquid crystal display screen 301 is arranged in a rectangular groove processed on the front panel 302; the front panel 302 is made into a single-curved-surface model by a 5mm rear 3003 series aluminum alloy plate through a roll arc process, a rhombic groove is processed at the upper end of the front surface of the front panel 302, a LOGO mark is installed in the groove, a rectangular groove is processed at the middle position of the front surface of the front panel 302, the liquid crystal display screen 301 is installed in the groove through a bolt, and the arc-shaped edges of the front panel 302 are respectively clamped into reserved clamping grooves of the left decorative plate 304 and the right decorative plate 306; the left buckle plate 303 is made of aluminum alloy section, the section of the left buckle plate is designed into a buckle cover form according to requirements, the left buckle plate is installed on the front surface of the left decorative plate 304 in a buckling and pressing mode to play a decorative role, and meanwhile, a bolt head when the left decorative plate 304 is installed and fixed can be shielded; the left decorative plate 304 is made of 6063T6 aluminum alloy section, the section of the left decorative plate is designed according to requirements, a bolt hole is machined in the middle face of the left decorative plate, and the left decorative plate 304 is connected to the left upright post 201 through bolt connection; the upper sealing plate 305 is formed by milling 3003 series aluminum alloy plates, four self-tapping nail holes are formed in the plate surface, and the upper sealing plate 305 is connected to the left decorative plate 304 and the right decorative plate 306 through self-tapping nails; the right decorative plate 306 has the same material and structure as the left decorative plate 304, and the installation mode is symmetrical to that of the left decorative plate 304; the rear panel 307 is a single-curved-surface model processed by a roller arc process by adopting a 3003 series aluminum alloy plate with the thickness of 5mm, and the arc-shaped edge of the rear panel 307 is respectively clamped into the reserved clamping grooves of the left decorative plate 304 and the right decorative plate 306; the structure and the material of the right buckle plate 308 are the same as those of the left buckle plate 303, and the installation mode is also the same.

In the actual production process, the vertical plate 105 is welded on the base 101 in an argon arc welding mode, then the support keel system 2 is assembled, the top stabilizing cross rod 203, the middle stabilizing cross rod upper 204, the inclined support stabilizing rod 205 and the middle stabilizing cross rod lower 206 are respectively connected with the left upright column 201 and the right upright column 202 to form a complete support keel system, then the assembled support keel system 2, the left wing plate 107, the right wing plate 103 and the base 101 are assembled together through bolts, then the square tube reinforcing rib 106 penetrates through the reserved square hole and is fixed through welding, then the lower sealing plate 103, the lower sealing plate 104, the front panel 302 and the rear panel 307 are respectively installed and fixed, finally the upper sealing plate 305 is installed, and the left buckling plate 303 and the right buckling plate 308 are clamped into the left decorative plate 304 and the right decorative plate 306, and the assembling process of the whole stop board is completed.

The foregoing merely illustrates preferred embodiments of the present invention, which are described in considerable detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An intelligent traffic stop board with an all-aluminum structure comprises a base, a supporting keel system and a decoration panel, and is characterized in that the base is an aluminum alloy plate with a thickness of 10mm and provided with bolt holes, two vertical plates with square holes and round holes are vertically welded on the bottom plate at 90 degrees, two sides of the base are connected with aluminum alloy wing plates made of 6063T6 materials through bolts, and square aluminum profile stabilizer bars are welded in the middle of the base; the left side and the right side of the support keel system are provided with 6063T6 aluminum alloy upright posts for installing decorative panels, and the middle of the support keel system is provided with two support rod stabilizing units and a top transverse stabilizing rod; the decorative panel is divided into a front arc aluminum alloy decorative panel, a rear arc aluminum alloy decorative panel, left and right aluminum alloy section decorative panels, buckle plates are respectively arranged on the left and right aluminum alloy section decorative panels, and an aluminum alloy upper sealing plate is arranged at the top of the buckle plates.

2. The intelligent traffic stop board with the all-aluminum structure according to claim 1, wherein the base comprises a base, a lower sealing plate, a left wing plate, a right wing plate, a square tube reinforcing rib and a lower side sealing plate; the base is an aluminum alloy plate with the thickness of 10mm, through holes are processed on the plate surface, and a transition connecting plate is vertically welded on the plate surface; the left wing plate and the right wing plate are both aluminum alloy sections made of 6063T6 materials; the reinforcing rib of the square tube is also made of 6063T6 aluminum section and two ends of the reinforcing rib are welded on the left wing plate and the right wing plate; the lower side sealing plate is processed into an edge arc structure by adopting a 3003 series aluminum alloy plate, and waist-shaped through holes are processed on the plate.

3. The intelligent traffic stop sign with an all-aluminum structure according to claim 1, wherein the support keel system comprises a left upright post, a right upright post, a top stabilizing cross bar, a middle stabilizing cross bar upper part, a middle stabilizing cross bar lower part, an inclined support stabilizing bar, a first connecting angle aluminum and a second connecting angle aluminum; the left upright post and the right upright post are both 6063T6 aluminum alloy sections; the top stabilizing cross bar, the middle stabilizing cross bar and the lower part of the middle stabilizing cross bar are all formed by bending, welding and polishing 3003 series aluminum alloy plates, and round holes are formed at two ends and connected with the stand columns through bolts; the inclined strut stabilizer bar is made of an aluminum alloy section with a U-shaped section, and splicing oblique angles are cut at two ends of the inclined strut stabilizer bar; the connecting angle aluminum is formed by bending 3003 series aluminum alloy plates.

4. The intelligent traffic stop board with the all-aluminum structure according to claim 1, wherein the decoration panel comprises a front panel, a rear panel, a left decoration panel, a right decoration panel, a display screen, an upper sealing plate, a left buckle plate and a right buckle plate; the front panel is processed into an arc shape by adopting a 3003 series aluminum alloy plate through a roll arc process, and a LOGO LOGO and a display screen mounting position are processed on the panel surface; the rear panel is processed into an arc shape by adopting a 3003 series aluminum alloy plate through a roll arc process; the left decorative plate is an aluminum alloy section made of 6063T6 material; the right decorative plate and the left decorative plate are the same and symmetrically arranged; the display screen is a common liquid crystal display screen.