A lamination type tunnel entrance sunshade shed

Abstract

The utility model discloses a kind of laminated tunnel portal sunshade, including multiple sunshade units, the sunshade unit includes joint, flow guide part, extension, light transmission hole and sunshade board, the joint is set in one end of the sunshade unit, the flow guide part is set in the other end of sunshade unit, the extension is set between joint and flow guide part, the light transmission hole is set on extension, light transmission hole is located at the top of the sunshade unit, the sunshade board is connected in light transmission hole;Wherein, the flow guide part of the first sunshade unit is fixedly connected with tunnel portal, the joint of the i th sunshade unit is overlapped and fixed with the flow guide part of the i+1 th sunshade unit, to form laminated structure, wherein i is 1, and i is sequentially increasing positive integer. Sunshade unit is overlapped in the form of one on one laminated, reduce construction step, shorten construction cycle, when sunshade unit is damaged, repair is completed by replacing sunshade unit as a whole.

Description

Technical Field

[0001] This utility model relates to the field of tunnel engineering technology, and in particular to a stacked tunnel entrance shading canopy. Background Technology

[0002] When people emerge from dimly lit tunnels, the intense sunlight outside causes drivers' eyes to struggle to adapt quickly due to the "white hole effect," resulting in temporary blind spots. This is especially pronounced at the entrances of east-west tunnels facing sunrise or sunset, or tunnels with large open sky areas, where the white hole effect is more severe, drastically increasing driving risks. Therefore, it is necessary to install shading facilities at tunnel entrances to create a light transition zone, gradually reducing brightness differences, alleviating dizziness, and ensuring driving safety.

[0003] Sunshades are a primary form of shading facility; however, existing sunshades mostly employ reinforced concrete openings or steel plate structures, generally maintaining the open-cut structural form. Reinforced concrete opening sunshades suffer from the disadvantages of complex concrete pouring and long construction periods. As for steel plate structures, the steel plates are joined using welding or flanges, which not only results in a long construction period but also allows rainwater to leak into the sunshade interior through the joints during heavy rain, causing road flooding. Utility Model Content

[0004] The main purpose of this utility model is to provide a stacked tunnel entrance light-shading canopy to solve the technical problems of complex construction, long construction period and easy leakage of existing light-shading canopies.

[0005] To achieve the above objectives, this utility model provides a stacked tunnel entrance light-shielding canopy, comprising multiple light-shielding units. Each light-shielding unit includes a joint, a guide portion, an extension portion, a light-transmitting hole, and a light-shielding plate. The joint is located at one end of the light-shielding unit, the guide portion is located at the other end of the light-shielding unit, the extension portion is located between the joint and the guide portion, the light-transmitting hole is located on the extension portion and is situated at the top of the light-shielding unit, and the light-shielding plate is connected within the light-transmitting hole. The guide portion of the first light-shielding unit is fixedly connected to the tunnel entrance, and the joint portion of the i-th light-shielding unit overlaps and is fixedly connected to the guide portion of the (i+1)-th light-shielding unit to form a stacked structure, where i ≥ 1, and i is a positive integer that increases sequentially.

[0006] Preferably, the extension is inclined from the joint to the guide portion, and the inclination slope of the extension is 5°.

[0007] Furthermore, the end of the flow guide is curved upward to form a flow guide groove.

[0008] More preferably, the guide portion of the (i+1)th light-shielding unit overlaps the joint portion of the i-th light-shielding unit.

[0009] More preferably, a connecting groove is provided below the joint of the i-th light-shielding unit, and the end of the guide groove of the (i+1)-th light-shielding unit overlaps in the connecting groove.

[0010] Preferably, the surface of the joint is higher than the surface of the extension, and the transition between the joint and the extension is S-shaped.

[0011] Preferably, the longitudinal cross-section of the light-shielding unit is circular, and the outer diameter of the (i+1)th light-shielding unit is greater than the outer diameter of the ith light-shielding unit.

[0012] More preferably, the size of the light-transmitting hole on the (i+1)th light-shielding unit is larger than the size of the light-transmitting hole on the ith light-shielding unit.

[0013] More preferably, the light-transmitting holes are arranged symmetrically in two along the center line of the tunnel lining.

[0014] More preferably, both ends of the guide section are connected to the drainage ditch of the tunnel.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] In this invention, the shading units of the shading canopy are prefabricated in the factory. During construction, the shading units can be assembled simply by overlapping them in a stacked manner. This not only reduces the number of construction steps and significantly shortens the construction cycle, but also allows for the replacement of the entire shading unit for repair if it is damaged. In the stacked manner, when it rains, rainwater on the shading units flows into the guide section along the joint and extension, and then drains to both sides of the shading unit along the guide section, preventing rainwater from leaking into the shading canopy from the seams. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of the shading canopy in one embodiment of the present invention;

[0019] Figure 2 This is a schematic diagram of the overlap of the sides of adjacent light-shielding units in one embodiment of the present invention;

[0020] Figure 3 for Figure 2 Enlarged view of section A in the image;

[0021] Figure 4 This is a schematic diagram showing the dimensions of the centerline of the light-shielding unit in one embodiment of the present invention;

[0022] Figure 5 This is a top view schematic diagram of the overall structure of the shading canopy in one embodiment of the present utility model;

[0023] Figure 6 This is a schematic diagram of the overlap of adjacent light-shielding units in another embodiment of the present invention.

[0024] The purpose, features, and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings.

[0025] Explanation of icon numbers:

[0026] 1. Shielding unit; 2. Light-transmitting hole; 3. Drainage ditch; 4. Guide section; 5. Extension section; 6. Joint section; 7. Connecting groove; 8. Tunnel; 9. Shielding plate. Detailed Implementation

[0027] It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0030] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0031] Please see Figures 1 to 6 This embodiment provides a stacked tunnel entrance light-shielding canopy, including multiple light-shielding units 1. Each light-shielding unit 1 includes a joint 6, a guide 4, an extension 5, a light-transmitting hole 2, and a light-shielding plate 9. The joint 6 is disposed at one end of the light-shielding unit 1, the guide 4 is disposed at the other end of the light-shielding unit 1, the extension 5 is disposed between the joint 6 and the guide 4, the light-transmitting hole 2 is disposed on the extension 5, the light-transmitting hole 2 is located at the top of the light-shielding unit 1, and the light-shielding plate 9 is connected inside the light-transmitting hole 2. The guide 4 of the first light-shielding unit 1 is fixedly connected to the tunnel entrance 8, and the joint 6 of the i-th light-shielding unit 1 overlaps and is fixedly connected to the guide 4 of the (i+1)-th light-shielding unit 1 to form a stacked structure, where i≥1 and i is a positive integer that increases sequentially.

[0032] Specifically, such as Figure 2 and Figure 4 As shown, in this embodiment, the base material of the light-shielding unit 1 is steel plate. The longitudinal length of each light-shielding unit 1 is 110cm, the overlap length of adjacent light-shielding units 1 is 10cm, the length of the extension 5 is 76cm, the height difference between the highest and lowest points of the centerline of the light-shielding unit 1 is 20cm, and the overall height difference of the centerline of the light-shielding canopy does not exceed 200cm. The light-shielding unit 1 in this embodiment can be prefabricated in the factory, and the number of overlapping light-shielding units 1 can be arranged according to the tunnel design requirements.

[0033] In this embodiment, the light from external strong light is attenuated by the light-shielding plate 9 and then shines into the light-shielding canopy through the light-transmitting hole 2, forming a light transition zone, reducing the white hole effect and improving the safety of the tunnel 8. During construction, the light-shielding canopy can be assembled simply by overlapping the light-shielding units 1 one by one. This not only reduces construction steps and significantly shortens the construction cycle, but also allows for repairs by replacing the entire light-shielding unit 1 if it is damaged. In the overlapping configuration, rainwater on the light-shielding units 1 flows into the guide section 4 along the joint 6 and the extension 5, and then drains away towards both sides of the light-shielding units 1, preventing rainwater from leaking into the canopy through the joints. Furthermore, the overlapping design of the light-shielding canopy also provides a strong spatial visual effect, allowing designers to create aesthetic designs and enhance the artistic effect of the canopy.

[0034] Furthermore, in one embodiment, the light-shielding plate 9 uses different colors to further weaken the light intensity and improve the visual appeal of the space. The light-shielding plate 9 and the light-transmitting hole 2 are connected in an openable manner, allowing the light-shielding plate 9 to adjust the area of ​​strong light passing through the light-transmitting hole 2. When the light intensity is insufficient, the coverage area of ​​the light-shielding plate 9 relative to the light-transmitting hole 2 can be increased, thereby introducing more light and providing sufficient illumination for the light-shielding shed.

[0035] In this embodiment, preferably, the extension 5 is inclined from the joint 6 toward the guide 4, and the inclination slope of the extension 5 is 5°.

[0036] In this embodiment, preferably, the end of the flow guide 4 is curved upward to form a flow guide groove. In this embodiment, the flow guide groove is a 1 / 4 circle and the radius of the flow guide groove is 10cm.

[0037] As a further preferred embodiment, the guide portion 4 of the (i+1)th light-shielding unit 1 overlaps above the joint portion 6 of the i-th light-shielding unit 1. After overlapping, the guide groove of the (i+1)th light-shielding unit 1 will block the joint portion 6 of the i-th light-shielding unit 1, and the rainwater on the joint portion 6 will be diverted to the guide portion 4 for discharge, preventing rainwater from entering the joint and causing leakage.

[0038] In another embodiment, a connecting groove 7 is provided below the joint 6 of the i-th shading unit 1. The connecting groove 7 is wedge-shaped, and the end of the guide groove of the (i+1)-th shading unit 1 overlaps in the connecting groove 7. The insertion of the guide groove into the connecting groove 7 not only improves the stability of the overlap between adjacent shading units 1, but also improves the waterproof performance at the overlap position, further preventing rainwater from leaking into the shading canopy.

[0039] Preferably, the surface of the joint 6 is higher than the surface of the extension 5, and the transition between the joint 6 and the extension 5 is S-shaped, formed by two joined parts with a radius of 15cm. The higher height of the surface of the joint 6 can prevent rainwater from intruding into the joint 6 under inertia and thus entering the seam, further preventing rainwater from leaking into the interior of the shading canopy and causing water accumulation.

[0040] Preferably, the longitudinal cross-section of the light-shielding unit 1 is circular, and the outer diameter of the (i+1)th light-shielding unit 1 is larger than the outer diameter of the ith light-shielding unit 1. Two light-transmitting holes 2 are symmetrically arranged along the center line of the tunnel lining 8, and the size of the light-transmitting hole 2 on the (i+1)th light-shielding unit 1 is larger than the size of the light-transmitting hole 2 on the ith light-shielding unit 1. As one walks outward from the tunnel 8, the light-transmitting area gradually increases, and the light intensity inside the light-shielding canopy gradually increases, providing sufficient buffer time for changes in light intensity to the driver's eyes, reducing the white hole effect, and minimizing eye discomfort caused by changes in light.

[0041] As a further preferred embodiment, both ends of the guide section 4 are connected to the drainage ditch 3 of the tunnel 8. Rainwater is quickly discharged through the drainage ditch 3 of the tunnel 8, preventing excessive water accumulation on the roadside and flooding the road, and ensuring the dryness of the ground at the entrance of the tunnel 8.

[0042] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A stacked tunnel entrance shading canopy, characterized in that, The device includes multiple light-shielding units, each comprising a joint, a guide portion, an extension, a light-transmitting hole, and a light-shielding plate. The joint is located at one end of the light-shielding unit, the guide portion at the other end, the extension between the joint and the guide portion, and the light-transmitting hole on the extension. The light-transmitting hole is located at the top of the light-shielding unit, and the light-shielding plate is connected inside the light-transmitting hole. The guide portion of the first light-shielding unit is fixedly connected to the tunnel entrance, and the joint of the i-th light-shielding unit overlaps and is fixedly connected to the guide portion of the (i+1)-th light-shielding unit to form a stacked structure, where i ≥ 1 and i is a positive integer that increases sequentially.

2. The stacked tunnel entrance shading canopy according to claim 1, characterized in that, The extension is inclined from the joint to the guide portion, and the inclination slope of the extension is 5°.

3. The stacked tunnel entrance shading canopy according to claim 1, characterized in that, The end of the flow guide is curved upward to form a flow guide groove.

4. The stacked tunnel entrance shading canopy according to claim 3, characterized in that, The guide portion of the (i+1)th light-shielding unit overlaps above the joint portion of the i-th light-shielding unit.

5. The stacked tunnel entrance shading canopy according to claim 3, characterized in that, A connecting groove is provided below the joint of the i-th light-shielding unit, and the end of the guide groove of the (i+1)-th light-shielding unit overlaps in the connecting groove.

6. The stacked tunnel entrance shading canopy according to claim 1, characterized in that, The surface of the joint is higher than the surface of the extension, and the transition between the joint and the extension is S-shaped.

7. The stacked tunnel entrance shading canopy according to claim 1, characterized in that, The longitudinal cross-section of the light-shielding unit is circular, and the outer diameter of the (i+1)th light-shielding unit is larger than the outer diameter of the ith light-shielding unit.

8. The stacked tunnel entrance shading canopy according to claim 7, characterized in that, The size of the light-transmitting hole on the (i+1)th light-shielding unit is larger than the size of the light-transmitting hole on the ith light-shielding unit.

9. The stacked tunnel entrance shading canopy according to claim 8, characterized in that, The light-transmitting holes are symmetrically arranged in two along the center line of the tunnel lining.

10. The stacked tunnel entrance shading canopy according to claim 1, characterized in that, The two ends of the diversion section are connected to the drainage ditch of the tunnel.

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