Highway tunnel pavement anti-skid drainage structure

Abstract

The utility model relates to the technical field of tunnel pavement skid resistance and drainage, in particular to a highway tunnel pavement skid resistance and drainage structure which comprises a roadbed and an asphalt pavement laid on the top face of the roadbed. An air inlet part and an air outlet part are arranged on the two sides, in the width direction of the roadbed, of the ventilation part correspondingly, and external air enters the ventilation part from the air inlet part through air draft equipment and then is exhausted through the air outlet part; a heating wire is arranged in the air inlet part; the ventilation component comprises a groove plate and a cover plate fixedly arranged at the top of the groove plate, and the groove plate is matched with the cover plate to form a channel with the two ends communicating with the air inlet part and the air outlet part correspondingly. And a plurality of baffles which are fixedly arranged in the channel and are parallel to one another divide the channel into a plurality of mutually independent spaces. According to the utility model, the asphalt pavement in a low-temperature environment can play a normal role in drainage and skid resistance.

Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel pavement anti -skidding drainage technical field, concretely is highway tunnel pavement anti -skidding drainage structure. BACKGROUND

[0002] With the development of social economy and production, the highway appears in large quantities, and puts forward higher standard to the construction technology of road, requires line straight, gentle slope, wide road surface etc. Therefore, when the road passes through the mountain area, the past mountain detour scheme is changed to tunnel scheme. The construction of tunnel plays an important role in improving the technical state of highway, shortening the running distance, improving the transportation capacity, reducing the accident etc.

[0003] The tunnel is located in the mountain, and in the rain and snow weather, the road surface at the position of the tunnel entrance position and the external highway joint is easy to be wetted by the rainwater carried by the wheel, and in the case that the air temperature is low, the water on the wetted part of the road surface will quickly freeze into ice, causing the problem of poor anti -skid performance of the tunnel entrance road surface. UTILITY MODEL CONTENTS

[0004] The utility model discloses a highway tunnel pavement anti -skidding drainage structure to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: highway tunnel pavement anti -skidding drainage structure, including roadbed and the asphalt pavement of laying in the top surface of roadbed, the top surface of roadbed is embedded and is provided with ventilation component, the both sides of ventilation component in the width direction of roadbed are provided with air inlet part and air outlet part respectively, and external air enters ventilation component from air inlet part through the air extraction equipment, and then is discharged through air outlet part again;

[0006] Heating wire is arranged in air inlet part.

[0007] The ventilation component includes groove plate and cover plate fixedly arranged on the top of groove plate, and the groove plate cooperates with cover plate to form a channel, which is communicated with air inlet part and air outlet part at two ends respectively.

[0008] A plurality of baffle plates fixedly arranged in the channel and parallel to each other divide the channel into a plurality of independent spaces, the bottom surface of each baffle plate is provided with a plurality of air holes, and the air holes are communicated with two adjacent independent spaces.

[0009] In the vertical direction, the height of air hole is less than the height of baffle plate.

[0010] Preferably, the air inlet part includes an air inlet cover and an air inlet pipe, and the air inlet pipe is communicated with one end of the channel through the air inlet cover.

[0011] The heating wire is arranged inside the air inlet pipe, and the extending direction of the heating wire is parallel to the axial direction of the air inlet pipe.

[0012] Preferably, a strip-shaped hole is arranged on the peripheral wall of the air inlet pipe, an arc-shaped cover is fixedly arranged on the outer periphery of the air inlet pipe to block the strip-shaped hole, two mounting racks extending into the air inlet pipe are fixed on the arc-shaped cover, and the two ends of the heating wire are fixed on the two mounting racks respectively.

[0013] Preferably, a sealing gasket is arranged between the arc-shaped cover and the outer peripheral surface of the air inlet pipe.

[0014] Preferably, the air outlet part comprises an air outlet cover and an air outlet pipe, and the air outlet pipe is communicated with the other end of the channel through the air outlet cover.

[0015] Preferably, a heat insulation plate is fixed on the bottom of the groove plate.

[0016] Preferably, a plurality of insert ribs are fixed on the two end surfaces of the groove plate in the length direction of the roadbed.

[0017] Preferably, longitudinal and transverse intersecting reinforcing ribs are fixed on the upper surface of the cover plate.

[0018] Compared with the prior art, the present application has the following beneficial effects:

[0019] The low-temperature gas in the external environment is heated by the heating wire and then enters the inside of the ventilation component through the air inlet part, and the heated ventilation component transmits the heat to the asphalt pavement, so that the asphalt pavement is heated in the low-temperature climate environment, the ice on the asphalt pavement is melted, the normal drainage and anti-skid effect of the asphalt pavement in the low-temperature environment is ensured, the height of the air vent hole is smaller than the height of the baffle in the vertical direction, the top surface of the baffle can be kept in a continuous state, the cover plate is fully supported, the deformation of the cover plate under the rolling of the vehicle is prevented, the asphalt pavement is prevented from being concave due to the deformation of the cover plate, and the service life of the asphalt pavement is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0021] Figure 2 It is a schematic diagram of the structure of the ventilation component of the present application;

[0022] Figure 3 It is a schematic diagram of the structure of the groove plate and the cover plate of the present application after being split;

[0023] Figure 4The utility model discloses an air inlet cover and air inlet pipe structure schematic diagram.

[0024] Figure 5 The utility model discloses an air inlet pipe cross section structure schematic diagram.

[0025] In the drawing: 1, subgrade;2, asphalt pavement;3, ventilation component;31, groove board;311, inserted rib;32, cover plate;321, reinforcing rib;33, passageway;34, air inlet cover;35, air inlet pipe;351, strip hole;352, arc cover;353, sealing gasket;354, mounting bracket;36, air outlet cover;37, air outlet pipe;38, baffle;381, air hole;39, heating wire;4, heat insulating plate. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of the utility model protection.

[0027] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0028] The highway tunnel pavement anti -skid drainage structure, including subgrade 1 and the asphalt pavement 2 of laying on the top surface of subgrade 1, although the asphalt pavement 2 has strong antiskid drainage performance under normality, can ensure the stability of the vehicle into the tunnel, but the antiskid drainage effect is reduced significantly under icing condition, therefore needs to carry out improvement, the improvement mode that the embodiment adopts is as follows: the top surface of subgrade 1 is embedded and is provided with ventilation component 3, and ventilation component 3 is provided with air inlet part and air outlet part on both sides in the width direction of subgrade 1, and external air enters ventilation component 3 from air inlet part through the air extraction equipment, and then is discharged through air outlet part;Further, heating wire 39 is arranged in air inlet part;Thus, the basic working principle of the utility model and the technical effect that can be reached are as follows: in actual use, air is extracted in air outlet part by the air extraction machine and other equipment, so that the low-temperature gas in external environment enters the inside of ventilation component 3 after heating by heating wire 39, and is discharged through air outlet part after heating ventilation component 3, and the heated ventilation component 3 will transmit the heat on it to asphalt pavement 2, so that the heating of asphalt pavement 2 under low-temperature climate environment is realized, the purpose of melting the ice block on asphalt pavement 2 is achieved, and the normal drainage antiskid effect of asphalt pavement 2 under low-temperature environment is ensured.

[0029] The ventilation component 3 comprises a groove plate 31 and a cover plate 32 fixedly arranged on the top of the groove plate 31, wherein the groove plate 31 and the cover plate 32 can be made of a material with high corrosion resistance and high thermal conductivity, the groove plate 31 cooperates with the cover plate 32 to form a channel 33 with two ends respectively communicating with the air inlet portion and the air outlet portion, and the gas heated by the heating wire 39 flows in the channel 33; further, a plurality of baffle plates 38 fixedly arranged in the channel 33 are parallel to each other, the channel 33 is divided into a plurality of independent spaces by the baffle plates 38, the material of the baffle plates 38 can be consistent with that of the groove plate 31, the bottom surface of each baffle plate 38 is provided with a plurality of air holes 381, the air holes 381 communicate two adjacent independent spaces, and the baffle plates 38 also have the functions of supporting the cover plate 32 and preventing the cover plate 32 from being deformed by being crushed by a vehicle; as shown in the figure, the air holes 381 on the adjacent two baffle plates 38 are arranged at different positions of the baffle plates 38, the length direction of the asphalt pavement 2 is taken as the front-rear direction, the air holes 381 on one of the two baffle plates 38 are arranged at the front end of the baffle plate 38, and the air holes 381 on the other baffle plate 38 are arranged at the rear end of the baffle plate 38, so that the gas heated by the heating wire 39 can flow in the channel 33 in a zigzag manner, the contact time between the heated gas and the channel 33 is prolonged, and the heat transfer effect is guaranteed; in the embodiment, in the vertical direction, the height of the air hole 381 is less than the height of the baffle plate 38, that is, the air hole 381 does not extend to the top surface of the baffle plate 38, and the purpose of such arrangement is to keep the top surface of the baffle plate 38 continuous, so as to realize overall support of the cover plate 32 and prevent the cover plate 32 from being deformed under the crushing of the vehicle, thereby preventing the asphalt pavement 2 from being sunken due to the deformation of the cover plate 32, and guaranteeing the service life of the asphalt pavement 2.

[0030] The groove plate 31 is fixed with a plurality of insert bars 311 on the two end surfaces in the length direction of the roadbed 1, the insert bars 311 are inserted into the roadbed 1, and are used to improve the connection strength between the groove plate 31 and the roadbed 1.

[0031] The upper surface of the cover plate 32 is fixed with longitudinal and transverse intersecting reinforcing ribs 321, in actual installation, the top surface of the reinforcing rib 321 can be kept on the same plane as the top surface of the roadbed 1, and the longitudinal and transverse intersecting reinforcing ribs 321 also have the function of increasing the friction between the asphalt pavement 2 and the cover plate 32.

[0032] The bottom of the groove plate 31 is fixed with a heat insulation plate 4, which is used to reduce the diffusion of heat from the bottom of the groove plate 31 into the roadbed 1.

[0033] The air inlet part comprises an air inlet cover 34 and an air inlet pipe 35, the air inlet cover 34 and the air inlet pipe 35 can be made of heat preservation material, the air inlet pipe 35 is communicated with one end of the channel 33 through the air inlet cover 34; the heating wire 39 is arranged inside the air inlet pipe 35, and the extension direction of the heating wire 39 is parallel to the axial direction of the air inlet pipe 35, so that the contact time of the air and the heating wire 39 can be increased, and the heating effect on the air can be improved.

[0034] Then, in order to facilitate the dismounting and mounting of the heating wire 39, a strip-shaped hole 351 is formed on the peripheral wall of the air inlet pipe 35, and an arc-shaped cover 352 for plugging the strip-shaped hole 351 is fixedly arranged on the outer periphery of the air inlet pipe 35, specifically, the arc-shaped cover 352 is fixedly arranged on the air inlet pipe 35 through bolts, a sealing gasket 353 is arranged between the outer periphery of the air inlet pipe 35 and the arc-shaped cover 352, so that rainwater and the like can be prevented from entering the inside of the air inlet pipe 35, two mounting racks 354 extending into the inside of the air inlet pipe 35 are fixed on the arc-shaped cover 352, and the two ends of the heating wire 39 are fixed on the two mounting racks 354 respectively.

[0035] The air outlet part comprises an air outlet cover 36 and an air outlet pipe 37, the air outlet pipe 37 is communicated with the other end of the channel 33 through the air outlet cover 36, and the air inlet of the air draught fan is communicated with the air outlet pipe 37.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A highway tunnel pavement anti-skid drainage structure, comprising a roadbed and an asphalt pavement laid on the top surface of the roadbed, characterized in that, The top surface of the roadbed is embedded with a ventilation component, which is provided with an air inlet portion and an air outlet portion on both sides in the width direction of the roadbed, and external air enters the ventilation component from the air inlet portion through a suction device and is discharged through the air outlet portion; A heating wire is arranged in the air inlet portion; The ventilation component comprises a groove plate and a cover plate fixed on the top of the groove plate, and the groove plate cooperates with the cover plate to form a channel with two ends communicating with the air inlet portion and the air outlet portion; A plurality of parallel baffles are fixed in the channel, which divide the channel into a plurality of independent spaces, the bottom surface of each baffle is provided with a plurality of air holes, and the air holes communicate with two adjacent independent spaces; In the vertical direction, the height of the air hole is less than the height of the baffle.

2. The highway tunnel pavement anti-skid drainage structure according to claim 1, characterized in that, The air inlet portion comprises an air inlet cover and an air inlet pipe, and the air inlet pipe communicates with one end of the channel through the air inlet cover; The heating wire is arranged in the air inlet pipe, and the extension direction of the heating wire is parallel to the axial direction of the air inlet pipe.

3. The highway tunnel pavement anti-skid drainage structure according to claim 2, characterized in that, A strip-shaped hole is formed in the peripheral wall of the air inlet pipe, an arc-shaped cover is fixedly installed on the outer periphery of the air inlet pipe to block the strip-shaped hole, two mounting frames extending into the air inlet pipe are fixed on the arc-shaped cover, and the two ends of the heating wire are fixed on the two mounting frames, respectively.

4. The highway tunnel pavement anti-skid drainage structure according to claim 3, characterized in that, A sealing gasket is arranged between the arc-shaped cover and the outer peripheral surface of the air inlet pipe.

5. The highway tunnel pavement anti-skid drainage structure according to claim 1, characterized in that, The air outlet portion comprises an air outlet cover and an air outlet pipe, and the air outlet pipe communicates with the other end of the channel through the air outlet cover.

6. The highway tunnel pavement anti-skid drainage structure according to claim 1, characterized in that, A heat insulation plate is fixed on the bottom of the groove plate.

7. The highway tunnel pavement anti-skid drainage structure according to claim 1, characterized in that, A plurality of insertion ribs are fixed on both end surfaces of the groove plate in the length direction of the roadbed.

8. The highway tunnel pavement anti-skid drainage structure according to claim 1, characterized in that, A plurality of longitudinal and transverse reinforcing ribs are fixed on the upper surface of the cover plate.

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