CN113957816A - Composite anti-dazzle board for expressway and technological method - Google Patents
Composite anti-dazzle board for expressway and technological method Download PDFInfo
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- CN113957816A CN113957816A CN202111348044.XA CN202111348044A CN113957816A CN 113957816 A CN113957816 A CN 113957816A CN 202111348044 A CN202111348044 A CN 202111348044A CN 113957816 A CN113957816 A CN 113957816A
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- plate body
- plate
- base
- connecting portion
- composite
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/06—Anti-dazzle arrangements ; Securing anti-dazzle means to crash-barriers
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The embodiment of the invention discloses a composite anti-dazzle plate for a highway and a process method. The base includes connecting portion and the collet portion of integrative one-tenth L type structure, the lateral wall laminating of connecting portion is connected on the face of plate body, and plate body and base are formed through crowded technology altogether by the aggregate layer of inside and the composite bed of outside. The process method comprises weighing PVC raw materials, and uniformly stirring at a certain ratio; and (3) filling the ASA material into a co-extrusion hopper, finally placing the co-extrusion hopper into a mold for extrusion molding, and shaping by cold water. The anti-dazzle plate has the advantages that the strength of the joint of the plate body and the base is improved through the split connection of the plate body and the base, the stability of the connection of the plate body and the guardrail beam is improved through the combination of the L-shaped structure of the base, and meanwhile, the technical problems that the existing anti-dazzle plate is easy to corrode, low in strength, easy to fade, easy to pollute and short in service life are further effectively solved through a mechanical double-layer co-extrusion method.
Description
Technical Field
The embodiment of the invention relates to the technical field of highway traffic safety facilities, in particular to a composite anti-dazzle plate for a highway and a process method.
Background
The anti-dazzle board is a traffic safety product which is produced and manufactured for solving the glare of opposite car lights and is arranged on a central separation belt of a highway. The anti-dazzle plate is mainly arranged on a guardrail of a central separation zone of the expressway or in the middle of the guardrail, and some anti-dazzle plates are arranged on a movable guardrail with a central opening and are made of steel, plastic and glass fiber reinforced plastics. Common ones classified in terms of appearance include a general straight plate, an inverse S-shape, an imitated relief antiglare shield, a highway landscape antiglare shield, and the like. As the traditional antiglare shield mostly adopts the injection molding process of glass fiber reinforced plastic materials and the one-step molding of the base, the practice proves that the fracture at the position of a fixing screw is the main phenomenon of the breakage of the antiglare shield because the strength of the base is not enough.
Disclosure of Invention
Therefore, the embodiment of the invention provides a composite anti-dazzle plate for a highway and a process method, which aim to solve the problem of short service life of the anti-dazzle plate in the prior art.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
according to a first aspect of the embodiment of the invention, the composite antiglare shield for the expressway is provided, which comprises a plate body and a base which are separately arranged, wherein the base is fixedly connected to the end part of the plate body at one side of the plate body, the base comprises a connecting part and a bottom support part which are integrally formed into an L-shaped structure, the outer side wall of the connecting part is attached and connected to the plate surface of the plate body, and an L-shaped opening of the base faces to the other end of the plate body, wherein the plate body and the base are both formed by an internal aggregate layer and an external composite layer through a co-extrusion process, the aggregate layer is prepared from a PVC raw material, and the composite layer is prepared from an ASA raw material.
Furthermore, a first through hole is formed in the plate surface at the connecting position of the plate body and the connecting portion, a second through hole is formed in the connecting portion corresponding to the first through hole, the plate body is connected with the connecting portion through a bolt and nut assembly, and a guide cylinder for placing a bolt head or a nut and forming a hidden structure is integrally formed in the second through hole on the inner side wall of the connecting portion.
Furthermore, two sides of the plate body are respectively connected with a base, so that the two bases are symmetrically arranged along the plate surface of the plate body.
Furthermore, the cross section of the plate body is of an S-shaped structure.
Further, the rigid coupling has the strengthening rib on the face of plate body, the strengthening rib sets up along the length direction of plate body, makes the length of strengthening rib unanimous with the length of plate body, wherein, the strengthening rib is equipped with a plurality of, and a plurality of strengthening rib is equidistance along the width direction of plate body and distributes side by side.
Further, the base connecting portion and the linking department of collet portion are equipped with right angled triangle's stiffening plate, one of them right angle limit rigid coupling of stiffening plate is on the inside wall of connecting portion, and another right angle limit rigid coupling of stiffening plate is on the inside wall of collet portion, wherein, the stiffening plate is equipped with a plurality of, and a plurality of stiffening plate is equidistance along the width direction of collet portion and distributes side by side.
Further, the connecting portion and the collet portion of base all are platelike structure, the width of connecting portion is unanimous with the width of plate body, the width of collet portion is less than the width of connecting portion, and collet portion sets up in the middle part position of connecting portion.
Furthermore, an oblong adjusting through hole is formed in the inner side wall of the bottom support part.
According to a second aspect of embodiments of the present invention, there is provided a process for preparing a composite dazzle prevention plate for an expressway of the embodiment, the process comprising:
s1, respectively weighing a PVC raw material and an ASA raw material;
s2, uniformly stirring the PVC raw material, and adding the PVC raw material and the ASA raw material into a co-extrusion hopper;
s3, starting the plastic extruding machine, extruding the raw materials into a preset die, and carrying out extrusion forming;
and S4, placing the formed product in cold water for shaping, and respectively obtaining the plate body and the base.
Further, the PVC raw material comprises PVC, nano active calcium carbonate powder, resin, CPE powder, ACR modifier, stabilizer, stearic acid and PE wax, and the ASA raw material comprises ASA powder and nano carbon dioxide.
The embodiment of the invention has the following advantages: by arranging the split plate body and the base, the outer side wall of the base connecting part is attached and connected on the plate surface of the plate body, the base bottom support part is connected with a guardrail beam of the highway, so that the bottom support part forms a horizontal support at the bottom of the plate body, thereby improving the strength of the joint of the plate body and the base by utilizing the split connection of the plate body and the base, improving the stability of the connection of the plate body and the guardrail beam by combining the L-shaped structure of the base, meanwhile, by a mechanical double-layer co-extrusion method, the PVC material is used as the aggregate layer of the plate body and the base, the ASA material is used as the composite layer of the plate body and the base, and the ASA material layer is utilized to improve the service life and corrosion resistance of the PVC plate, so that the technical problems that the existing anti-dazzle plate is easy to corrode, low in strength, easy to fade and pollute and short in service life of an anti-corrosion paint are further effectively solved.
Drawings
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 described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
Fig. 1 is a schematic view of an overall structure of a composite antiglare shield for a highway according to an embodiment of the present invention.
In the figure: 1. a plate body; 2. a base; 21. a connecting portion; 22. a base portion; 3. a guide cylinder; 4. reinforcing ribs; 5. a stiffening plate; 6. and adjusting the through hole.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1, the present invention provides a composite antiglare shield for a highway, which comprises a plate body 1 and a base 2 which are separately arranged. The base 2 is fixedly connected to the end of the plate body 1 at one side of the plate body 1, and the base 2 includes a connecting portion 21 and a bottom mounting portion 22 which are integrated into an L-shaped structure. The outer side wall of the connecting portion 21 is attached and connected to the panel surface of the panel body 1, and the L-shaped opening of the base 2 faces the other end of the panel body 1. The plate body 1 and the base 2 are formed by an internal aggregate layer and an external composite layer through a co-extrusion process, the aggregate layer is made of PVC raw materials, and the composite layer is made of ASA raw materials. Utilize the components of a whole that can function independently of plate body 1 and base 2 to be connected, improve the intensity of plate body 1 and base 2 junction to combine the L type structure of base 2, improve the stability that plate body 1 and guardrail crossbeam are connected, through the way of mechanical double-deck crowded altogether simultaneously, further solved current antiglare shield perishable, intensity low scheduling problem.
As described above, the first through hole is opened on the plate surface at the connecting position of the plate body 1 and the connecting portion 21, and the second through hole is opened on the connecting portion 21 at the position corresponding to the first through hole, so that the plate body 1 and the connecting portion 21 are connected by the bolt and nut assembly. Further, a guiding cylinder 3 for placing a bolt head or a nut and forming a hidden structure is integrally formed at the second through hole on the inner side wall of the connecting part 21. Through the setting of this structure, utilize bolt and nut subassembly to firmly fix the connecting portion 21 of base 2 on plate body 1 to improve the intensity of plate body 1 and base 2 junction, prevent the condition of base 2 easy cracking, and utilize the setting of guide cylinder 3, realize the hidden installation of bolt and nut subassembly, with holistic aesthetic property and the security of improvement antiglare shield. Wherein, connect a base 2 respectively in the both sides of plate body 1, make two bases 2 be the symmetry setting along plate body 1's face to based on this structure setting, only need a set of bolt and nut subassembly can be with two equal firm connections of base 2 on plate body 1, and make the bolt head hide and install in the guide cylinder 3 of one of them base 2, and the nut is hidden and is installed in the guide cylinder of another base 2.
One preferred embodiment is: the cross section of the plate body 1 is of an S-shaped structure, and a reinforcing rib 4 is fixedly connected to the surface of the plate body 1. The strengthening rib 4 sets up along the length direction of plate body 1, makes the length of strengthening rib 4 unanimous with the length of plate body 1, and strengthening rib 4 is equipped with a plurality of, makes a plurality of strengthening rib 4 be equidistance along the width direction of plate body 1 and distributes side by side. Through the setting of this structure, can effectively improve the elastic recovery power after the antiglare shield receives the high wind, improve antiglare equipment's anti high wind effect, effectively prevent the fracture of antiglare shield.
One preferred embodiment is: the connecting portion 21 and the collet portion 22 of base 2 all are platelike structure, and the width of connecting portion 21 is unanimous with the width of plate body 1, and the width of collet portion 22 is less than the width of connecting portion 21, and collet portion 22 sets up in the middle part position of connecting portion 21. Through the arrangement of the structure, the base 2 is stably connected with the plate body 1 and the guardrail beam of the highway. Furthermore, a right-angled triangle stiffening plate 5 is arranged at the joint of the connecting part 21 of the base 2 and the bottom mounting part 22. One right-angle edge of the stiffening plate 5 is fixedly connected to the inner side wall of the connecting part 21, and the other right-angle edge of the stiffening plate 5 is fixedly connected to the inner side wall of the base part 22. Wherein, the stiffening plate 5 is equipped with a plurality of, and a plurality of stiffening plate 5 is equidistance and distributes side by side along the width direction of collet portion 22. Through the setting of this structure, the intensity of improvement base 2 that can be further to effectively prevent the fracture of base 2. Preferably, the oblong adjusting through hole 6 is formed in the inner side wall of the bottom support part 22, and the bottom support part 22 can be adjusted within a range of +/-5 degrees from left to right when being connected with a guardrail beam by means of the adjusting through hole 6, so that the problem that the existing antiglare shield cannot be adjusted in two directions during installation is solved.
One preferred embodiment is: the invention also provides a process method for preparing the composite antiglare shield, which comprises the following steps:
s1, weighing a PVC raw material and preparing an ASA material;
s2, uniformly stirring the PVC raw material, adding the PVC raw material into a mould of an extruding machine, and adding the ASA material into a co-extrusion hopper of the extruding machine;
s3, starting an extruding machine, and extruding the ASA material into a mould to extrude the ASA material and the PVC material;
s4, placing the formed product in cold water for shaping;
and S5, repeating the steps S1-S4, and respectively preparing the plate body 1 and the base 2 according to different moulds.
Wherein, the PVC raw materials comprise PVC, nano active calcium carbonate powder, resin, CPE powder, ACR modifier, stabilizer, stearic acid and PE wax, and the weight percentages of the raw materials are preferably as follows: 75% of PVC, 30% of nano active calcium carbonate powder, 60% of resin, 6% of CPE powder, 1% of ACR modifier, 1% of stearic acid, 2% of stabilizer and 0.3% of PE wax.
In the embodiment of the invention, the split plate body 1 and the base 2 are arranged, the outer side wall of the connecting part 21 of the base 2 is attached and connected on the plate surface of the plate body 1, the bottom support part 22 of the base 2 is connected with the guardrail beam of the expressway, and the bottom support part 22 forms horizontal support at the bottom of the plate body 1, so that the strength of the connecting part of the plate body 1 and the base 2 is improved by utilizing the split connection of the plate body 1 and the base 2, the stability of the connection of the plate body 1 and the guardrail beam is improved by combining the L-shaped structure of the base 2, meanwhile, by adopting a mechanical double-layer co-extrusion method, a PVC material is used as the aggregate layer of the plate body 1 and the base 2, an ASA material is used as the composite layer of the plate body 1 and the base 2, and the ASA material layer is used for improving the service life and corrosion resistance of the PVC plate, thereby further effectively solving the technical problems that the existing anti-glare plate is easy to corrode, low in strength, easy to fade, easy to pollute and short in service life, the structure is simple, economical, practical, beautiful and convenient for construction and maintenance.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The utility model provides a compound antiglare shield of highway which characterized in that: the composite anti-dazzle plate comprises a plate body and a base, wherein the plate body and the base are arranged in a split mode, the base is fixedly connected to the end portion of the plate body on one side of the plate body, the base comprises a connecting portion and a bottom supporting portion which are of an L-shaped structure, the outer side wall of the connecting portion is attached to and connected to the plate face of the plate body, the L-shaped opening of the base faces the other end of the plate body, the plate body and the base are formed by an internal aggregate layer and an external composite layer through a co-extrusion process, the aggregate layer is prepared from PVC raw materials, and the composite layer is prepared from ASA raw materials.
2. The composite dazzle prevention plate for expressway of claim 1, wherein: the plate is characterized in that a first through hole is formed in the plate surface at the connecting position of the plate body and the connecting portion, a second through hole is formed in the connecting portion corresponding to the first through hole, the plate body is connected with the connecting portion through a bolt and nut assembly, and a guide cylinder for placing a bolt head or a nut and forming a hidden structure is integrally formed in the second through hole in the inner side wall of the connecting portion.
3. The composite dazzle prevention plate for expressway of claim 1, wherein: two sides of the plate body are respectively connected with a base, so that the two bases are symmetrically arranged along the plate surface of the plate body.
4. The composite dazzle prevention plate for expressway of claim 1, wherein: the cross section of the plate body is of an S-shaped structure.
5. The composite dazzle prevention plate for expressway of claim 1, wherein: the rigid coupling has the strengthening rib on the face of plate body, the strengthening rib sets up along the length direction of plate body, makes the length of strengthening rib unanimous with the length of plate body, wherein, the strengthening rib is equipped with a plurality of, and a plurality of strengthening rib is equidistance along the width direction of plate body and distributes side by side.
6. The composite dazzle prevention plate for expressway of claim 1, wherein: the base connecting portion and the linking department of collet portion are equipped with right angled triangle's stiffening plate, one of them right angle limit rigid coupling of stiffening plate is on the inside wall of connecting portion, and another right angle limit rigid coupling of stiffening plate is on the inside wall of collet portion, wherein, the stiffening plate is equipped with a plurality of, and a plurality of stiffening plate is equidistance along the width direction of collet portion and distributes side by side.
7. The composite dazzle prevention plate for expressway of claim 1, wherein: the connecting portion and the collet portion of base all are platelike structure, the width of connecting portion is unanimous with the width of plate body, the width of collet portion is less than the width of connecting portion, and collet portion sets up in the middle part position of connecting portion.
8. The composite dazzle prevention plate for expressway of claim 1, wherein: and the inner side wall of the bottom support part is provided with an oblong adjusting through hole.
9. A process for preparing a composite dazzle prevention plate for a highway according to any one of claims 1 to 8, wherein the process comprises:
s1, weighing a PVC raw material and preparing an ASA material;
s2, uniformly stirring the PVC raw material, adding the PVC raw material into a mould of an extruding machine, and adding the ASA material into a co-extrusion hopper of the extruding machine;
s3, starting an extruding machine, and extruding the ASA material into a mould to extrude the ASA material and the PVC material;
s4, placing the formed product in cold water for shaping;
s5, repeating the steps S1-S4, and respectively preparing the plate body and the base according to different moulds.
10. A process according to claim 9, wherein: the PVC raw material comprises PVC, nano active calcium carbonate powder, resin, CPE powder, ACR modifier, stabilizer, stearic acid and PE wax.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111348044.XA CN113957816A (en) | 2021-11-15 | 2021-11-15 | Composite anti-dazzle board for expressway and technological method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111348044.XA CN113957816A (en) | 2021-11-15 | 2021-11-15 | Composite anti-dazzle board for expressway and technological method |
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| Publication Number | Publication Date |
|---|---|
| CN113957816A true CN113957816A (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111348044.XA Pending CN113957816A (en) | 2021-11-15 | 2021-11-15 | Composite anti-dazzle board for expressway and technological method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002180423A (en) * | 2000-12-18 | 2002-06-26 | Sekisui Jushi Co Ltd | Glare-proofing device with photovoltaic power generating function |
| JP2005098066A (en) * | 2003-08-26 | 2005-04-14 | Sekisui Jushi Co Ltd | Antidazzle board for road |
| CN201553993U (en) * | 2009-03-16 | 2010-08-18 | 广州华工百川科技股份有限公司 | Glare-proof shield |
| CN204455882U (en) * | 2015-02-27 | 2015-07-08 | 徐文飞 | A double L-shaped base wind-resistance anti-glare panel of bending and molding |
| CN109968775A (en) * | 2019-04-10 | 2019-07-05 | 大连路安建材有限公司 | A kind of compound antiglare shield of Nano self-cleaning PVC |
-
2021
- 2021-11-15 CN CN202111348044.XA patent/CN113957816A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002180423A (en) * | 2000-12-18 | 2002-06-26 | Sekisui Jushi Co Ltd | Glare-proofing device with photovoltaic power generating function |
| JP2005098066A (en) * | 2003-08-26 | 2005-04-14 | Sekisui Jushi Co Ltd | Antidazzle board for road |
| CN201553993U (en) * | 2009-03-16 | 2010-08-18 | 广州华工百川科技股份有限公司 | Glare-proof shield |
| CN204455882U (en) * | 2015-02-27 | 2015-07-08 | 徐文飞 | A double L-shaped base wind-resistance anti-glare panel of bending and molding |
| CN109968775A (en) * | 2019-04-10 | 2019-07-05 | 大连路安建材有限公司 | A kind of compound antiglare shield of Nano self-cleaning PVC |
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