CN110924264A - Self-lifting antiskid plate, road icing antiskid system and application - Google Patents
Self-lifting antiskid plate, road icing antiskid system and application Download PDFInfo
- Publication number
- CN110924264A CN110924264A CN201911168094.2A CN201911168094A CN110924264A CN 110924264 A CN110924264 A CN 110924264A CN 201911168094 A CN201911168094 A CN 201911168094A CN 110924264 A CN110924264 A CN 110924264A
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- road
- self
- icing
- antiskid
- lifting
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
- E01C11/26—Permanently installed heating or blowing devices ; Mounting thereof
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
- E01C11/26—Permanently installed heating or blowing devices ; Mounting thereof
- E01C11/265—Embedded electrical heating elements ; Mounting thereof
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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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/608—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings for guiding, warning or controlling traffic, e.g. delineator posts or milestones
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Signs Or Road Markings (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to a self-lifting antiskid plate, a road icing antiskid system and application, wherein the self-lifting antiskid plate comprises a base (10) and an elastic pad (8) arranged on the base, the bottom surface of the elastic pad is provided with a plurality of accommodating cavities (7), and shape memory alloy gaskets (9) are arranged in the accommodating cavities; when the ambient temperature is lower than the phase transition temperature, the shape memory alloy gasket can be stretched to be higher, and the elastic cushion at the corresponding position is jacked upwards to form a bulge so as to increase the roughness of the road surface. The road icing antiskid system comprises the self-lifting antiskid plate, a heating mechanism and an icing warning word electronic display screen, and effectively combines antiskid, accelerated ice melting and early warning, so that the problems of rapid reduction of road surface friction coefficient after the road is iced, low deicing efficiency, poor early warning timeliness and the like in the prior art are effectively solved, the potential safety hazards of tail throwing, sideslip and the like caused by icing of the road (particularly an expressway tunnel portal) are fundamentally solved, and the driving safety is effectively guaranteed.
Description
Technical Field
The invention relates to the technical field of traffic safety, in particular to a road icing and skid prevention technology.
Background
In recent years, a large number of expressways in China are built and put into operation, tunnels are used as important components of the expressways in China, and occupy a considerable proportion of the total length of the expressways, and particularly, the expressways in mountain areas are basically composed of a large number of tunnel groups. The tunnel is influenced by the characteristics of the tunnel, is an easy section of a traffic accident, and particularly is a shady tunnel portal in a seasonal frozen soil area and a permafrost area, so that the phenomenon of freezing is very easy to occur when the environmental temperature is low, the conditions of sideslip, tail flicking and the like of a normally running vehicle are caused, serious traffic hidden dangers and accidents are brought, the normal traveling of surrounding citizens is influenced, and the traffic pressure of a road is increased.
At present, aiming at the problem that the tunnel portal in seasonal frozen soil areas and permafrost areas is easy to freeze to cause traffic hidden troubles and accidents, the expressway managers in China mostly adopt methods of artificial early warning, strengthening waterproof facilities of the tunnel portal, artificial deicing and the like to reduce the probability of traffic accidents. Although the manual early warning can forecast whether the tunnel portal is frozen or not in advance, remind a driver of cautiously driving or closing a road and prevent traffic accidents, the manual early warning has poor timeliness, the closed road influences the normal travel of citizens, the transportation pressure of railways, aviation and the like is increased, and the early warning prompting language also cannot essentially solve the problem that a vehicle is easy to slip in an ice region of the tunnel portal; although the waterproof measure for strengthening the hole can prevent surface water from silting up at the tunnel hole, the problem of icing at the tunnel hole caused by extreme weather such as condensed water formed by temperature difference between the inside and the outside of the tunnel, snowfall, frost and the like cannot be prevented; the manual deicing speed is slow, the cost is high, and the normal traffic of traffic is influenced. Therefore, a road anti-skid measure against icing is urgently needed to fundamentally solve the driving safety hidden trouble.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a practical and effective road icing antiskid measure to overcome the defects in the prior art.
In order to solve the problems, the self-lifting antiskid plate comprises a hard base and an elastic pad arranged on the base, wherein a plurality of accommodating cavities are formed in the bottom surface of the elastic pad, the accommodating cavities extend upwards from the bottom surface of the elastic pad and are away from the top surface of the elastic pad by a certain distance, shape memory alloy gaskets are arranged in the accommodating cavities, and the bottoms of the shape memory alloy gaskets are arranged on the base; when the ambient temperature is lower than the phase transition temperature, the shape memory alloy gasket can stretch and become high, and the elastic cushion at the corresponding position is jacked upwards to form a bulge, otherwise, the original state is recovered.
Preferably, the elastic pad is a rubber pad, and/or the base is a steel plate.
Preferably, the plurality of accommodating cavities are distributed on the elastic pad in a plum blossom shape.
The invention also provides a road icing antiskid system which comprises a heating mechanism arranged in an area easy to ice on a road and the self-lifting antiskid plate, wherein the heating mechanism is buried under the road surface when the self-lifting antiskid plate is applied, and the top surface of the elastic pad is flush with the road surface when the self-lifting antiskid plate is not in a working state.
Preferably, the system further comprises an electronic display screen for locating above the road, arranged in a direction opposite to the direction of forward travel of the vehicle when in use, for displaying an icing warning.
Preferably, a temperature control switch is arranged between the electronic display screen and the heating mechanism and between the electronic display screen and the power supply.
Preferably, the power supply is a direct current power supply formed by connecting solar photovoltaic panels in series.
Preferably, the heating part of the heating mechanism and the self-lifting antiskid plate are both in a long strip shape, the length of the heating part is matched with the width of the road surface, and the heating part and the self-lifting antiskid plate are arranged at intervals in the length direction of the road surface.
Preferably, the heating component of the heating mechanism is a heating cable.
Correspondingly, the invention also provides application of the road icing antiskid system in an icing area of a tunnel entrance of an expressway, and driving safety of vehicles in the icing area of the tunnel entrance is effectively improved.
Compared with the prior art, the invention has the following advantages:
1. the self-lifting antiskid plate skillfully and effectively utilizes the characteristic that the shape memory alloy can restore the original shape at the phase transition temperature to realize the expansion of the titanium-nickel shape memory alloy gasket, further realizes the formation of a bulge to increase the roughness of the road surface when needed (such as reaching the external environment temperature which can be frozen), prevents the vehicle from skidding, and is flush with the road surface when not needed (such as at the normal external environment temperature) without influencing the driving comfort.
2. The road icing antiskid system skillfully combines the self-lifting antiskid plate and the heating mechanism together, the heating function of the heating mechanism can prevent an ice formation area from being formed in a layout area or accelerate the formed ice formation area to melt, the problems of low deicing efficiency, influence on normal use of an expressway and the like in the prior art are solved, the self-lifting antiskid plate overcomes the problem that the friction coefficient of a road surface is sharply reduced after the road is iced, the phenomena of tail swing, side slip and the like of a vehicle in the ice formation area of the road (particularly at the tunnel portal of the expressway) can be fundamentally prevented under the cooperation of the self-lifting antiskid plate and the self-lifting antiskid plate, and the driving safety is powerfully guaranteed. The road icing antiskid system is further provided with an icing warning sign electronic display screen, and the problem of poor early warning timeliness in the prior art is solved.
3. Based on the analysis content, the road icing antiskid system can effectively solve the problem that potential traffic hazards and accidents are caused by icing at tunnel portals of highways, particularly tunnel portals of seasonal frozen soil areas and perennial frozen soil areas.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 is an application scenario diagram of a road icing antiskid system provided in an embodiment of the present invention.
Fig. 2 is a bottom view of the elastic pad according to the embodiment of the present invention.
Fig. 3 is a cross-sectional view of a self-elevating antiskid plate according to an embodiment of the present invention when it is not in operation.
Fig. 4 is a perspective view of a self-elevating antiskid plate provided by an embodiment of the present invention when the self-elevating antiskid plate is not in operation.
Fig. 5 is a sectional view illustrating operation of a self-elevating cleat according to an embodiment of the present invention.
Fig. 6 is a perspective view illustrating operation of a self-elevating antiskid plate according to an embodiment of the present invention.
In the figure: 1-from lifting antiskid ribbed tile, 2-electronic display screen, 3-the mechanism that generates heat, 4-temperature detect switch, 5-wire, 6-power, 7-hold the chamber, 8-cushion, 9-shape memory alloy gasket, 10-base, 11-tunnel entrance to a cave, 12-easy icy area road surface.
Detailed Description
Example 1 self-lifting cleat
Referring to fig. 2 to 5, the self-lifting anti-skid plate according to the embodiment of the present invention includes a hard base 10 and an elastic pad 8 disposed on the base 10, wherein a plurality of accommodating cavities 7 are formed in a bottom surface of the elastic pad 8, the accommodating cavities 7 extend upward from the bottom surface of the elastic pad 8 and are spaced from a top surface of the elastic pad 8, a shape memory alloy gasket 9 is disposed in the accommodating cavities 7, and a bottom of the shape memory alloy gasket 9 is disposed on the base 10.
Shape memory alloy gasket 9 can be according to external environment temperature's change extension and reconversion, specifically, when ambient temperature is higher than its phase transition temperature, its height with hold chamber 7 degree of depth the same, be in unoperated state, when ambient temperature is less than its phase transition temperature, it can extend the grow and become highly, highly be greater than hold chamber 7 degree of depth with the elastic pad 8 of corresponding position department upwards jack-up form the arch in order to increase roughness, be in operating condition. For example, aiming at the application scene of road ice skid resistance, the shape memory alloy gasket 9 with the phase change temperature of 3-5 ℃ is selected, when the environmental temperature is lower than the phase change temperature, the deformation and the elongation exceed 2-3cm, and the bulge with the corresponding height is jacked up.
The hard setting of the base 10 is to ensure that the height of the upward lifting cannot be damaged due to the deformation of the base 10 when the shape memory alloy gasket 9 deforms and extends, and on the other hand, the height of the protrusion cannot be changed too much due to the deformation of the base 10 when the top surface of the elastic cushion 8 is protruded to form a rear wheel and the rear wheel is pressed.
In practical application, the shape memory alloy gasket 9 can be made of nickel-titanium shape memory alloy, the elastic cushion 8 is made of a rubber cushion with high elasticity and cold and heat resistance, the accommodating cavity 7 on the elastic cushion 8 is a cylindrical groove, and the base 10 is made of a steel plate. Taking the application scene of road icing and skid resistance as an example to perform actual manufacturing content example, the method is jointly referred to as the following steps: the thickness of the rubber pad is 3-5cm, the width is 20-30cm, and the length is the same as the width of the pavement 12 of the ice-prone area of the tunnel portal 11; the diameter of the cylindrical groove is 2-4cm, the depth of the groove is 2-3cm, and the cylindrical groove is arranged on the rubber pad in a plum blossom shape; the base 10 is a rectangular steel plate with the same length and width as the rubber pad and the height of 10-20 cm; the shape memory alloy gasket 9 is embedded in the cylindrical groove of the rubber pad and fixes the notch downwards on the top surface of the base 10 through high-strength adhesive glue.
Referring to fig. 1, the road icing antiskid system provided by the embodiment of the present invention mainly includes a heating mechanism 3 disposed in an area where the road is prone to icing and a self-elevating antiskid plate 1 disclosed in embodiment 1, the heating mechanism 3 is buried under the road surface, and the top surface of an elastic pad 8 of the self-elevating antiskid plate 1 is flush with the road surface in an inoperative state. The system further comprises an electronic display screen 2 (for outdoor use) arranged above the road and arranged along the forward and reverse direction of the vehicle for displaying an icing warning.
From the angle of simplifying the structure and saving the cost, the heating component and the device 1 of the heating mechanism 3 are both in the shape of long strip, the length of the heating component and the length of the device are matched with the width of the road surface, and the heating component and the device are arranged at intervals in the length direction of the road surface. In practical application, the heating component of the heating mechanism 3 may be a heating cable, and an insulating layer is surrounded on the outer wall of the heating cable.
The electronic display screen 2 and the heating mechanism 3 are connected in parallel on the power supply 6 through the temperature control switch 4 and the lead 5, so that automatic work is realized. Specifically, the temperature control switch 4 senses the change of the external environment temperature, and is switched off when the external environment temperature is greater than or equal to the thixotropic temperature (3-5 ℃); when the external environment temperature is lower than the thixotropic temperature, the temperature control switch is closed, the electronic display 2 screen displays the icing warning words in a rolling mode, meanwhile, the heating cable converts electric energy into heat energy to improve the temperature of the road surface of the icing area, and the ice block on the road surface is accelerated to melt and damage the icing environment of the icing area at the tunnel portal to prevent secondary icing.
The power supply 6 is a direct-current power supply formed by connecting solar photovoltaic panels in series, stores enough electric energy to ensure the normal operation of the electronic display screen 2 and the heating mechanism 3, and is clean and environment-friendly.
In conclusion, the invention utilizes the characteristic that the shape memory alloy can restore the original shape at the phase transition temperature, the heating mechanism and the electronic display screen effectively combine skid resistance, accelerated de-icing and early warning to form a set of automatic pre-warning skid-proof system for the ice-forming area, the skid resistance, de-icing and early warning timeliness are strong, the problems of the prior art that the friction coefficient of the road surface is sharply reduced after the road is frozen, the de-icing efficiency is low, the normal use of the highway is influenced, the early warning timeliness is poor and the like are effectively solved, the potential safety hazards of tail throwing, sideslip and the like caused by the road (particularly the tunnel portal of the highway) freezing are further fundamentally solved, and the driving safety is powerfully.
Example 3 typical application of anti-skid System for icy road
Aiming at the typical problem that the tunnel portal of the expressway, particularly the tunnel portal of the seasonal frozen soil area and the perennial frozen soil area, is easy to freeze to cause traffic hidden troubles and accidents, based on the content disclosed in the embodiment, the application of the road icing antiskid system disclosed in the embodiment 2 can effectively solve the problem.
Referring to fig. 1, a construction method of an application scenario of an expressway tunnel portal is illustrated.
1. Road icing anti-skid system
Referring to the embodiment 1 and the embodiment 2, the road icing antiskid system with matched size and specification is prefabricated according to the field condition of the road surface 12 of the icing area of the target expressway tunnel portal 11.
2. On-site construction
(1) Installing the electronic display screen 2: and an electronic display screen 2 with a set icing warning sign is arranged at a distance of 200-300 m from the tunnel portal along the opposite direction of the vehicle.
(2) The laying of the heating mechanism 3 (heating cable) and the installation of the self-lifting antiskid plate 1 are as follows: according to the specification of a base 10, the pavement 12 in an icing area at a tunnel portal 11 is transversely and equidistantly cut, a self-lifting antiskid plate 1 is fixed in a groove, the top of an elastic pad 8 (a rubber pad) is flush with the pavement, and heating mechanisms 3 are paved among the grooves at intervals and are embedded under the pavement in parallel connection through leads 5.
(4) Installing a temperature control switch 4: the temperature control switch 4 is fixed on the side edge of a road surface 12 of an icing area at a tunnel portal 11, and the distance from the road surface is 0.5-1.0 m.
(5) Installing a power supply 6: and a power supply 6 is arranged in a region with sufficient road surface side illumination between the tunnel portal 11 and the electronic display screen 2.
(6) The heating mechanism 3 and the electronic display screen 2 are connected in parallel with a direct current power supply 6 through a lead 5 and a temperature control switch 4.
The technical solution provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the structure and the core concepts of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The self-lifting antiskid plate is characterized in that the self-lifting antiskid plate (1) comprises a hard base (10) and an elastic pad (8) arranged on the base (10), a plurality of accommodating cavities (7) are formed in the bottom surface of the elastic pad (8), the accommodating cavities (7) extend upwards from the bottom surface of the elastic pad (8) and are at a certain distance from the top surface of the elastic pad (8), shape memory alloy gaskets (9) are arranged in the accommodating cavities (7), and the bottoms of the shape memory alloy gaskets (9) are arranged on the base (10); when the ambient temperature is lower than the phase transition temperature, the shape memory alloy gasket (9) can be stretched to be higher, the elastic cushion (8) at the corresponding position is jacked upwards to form a bulge, and otherwise, the original state is recovered.
2. Self-lifting antiskid plate according to claim 1, wherein the elastic pad (8) is a rubber pad and/or the base (10) is a steel plate.
3. The self-lifting antiskid plate according to claim 1, wherein a plurality of the receiving cavities (7) are arranged in a quincunx shape on the elastic pad (8).
4. A road ice antiskid system, characterized in that, this system includes the mechanism of generating heat (3) and the self-lifting antiskid plate (1) of any one of claims 1 to 3 that are used for laying in the road easily freezes the region, when using the mechanism of generating heat (3) bury underground below the road surface, the self-lifting antiskid plate (1) is at the same level as road surface with the top surface of cushion (8) under the unoperated state.
5. A system according to claim 4, characterized in that the system further comprises an electronic display screen (2) for positioning above the road, which is arranged in the opposite direction of the vehicle's travel when in use, for displaying an icing warning.
6. The system according to claim 5, characterized in that a temperature-controlled switch (4) is arranged between the electronic display screen (2), the heating mechanism (3) and the power supply (6).
7. The system according to claim 6, characterized in that said power source (6) is a direct current power source formed by solar photovoltaic panels connected in series.
8. The system according to claim 4, wherein the heat generating components of the heat generating mechanism (3) and the self-elevating antiskid plate (1) are each in an elongated shape and have a length corresponding to the width of the road surface, and are arranged at intervals in the length direction of the road surface.
9. System according to claim 4, characterized in that the heat generating component of the heat generating mechanism (3) is a heat generating cable.
10. The application of the road icing antiskid system as claimed in any one of claims 4 to 9 in an icing area of a tunnel entrance of an expressway effectively improves the driving safety of vehicles running in the icing area of the tunnel entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911168094.2A CN110924264A (en) | 2019-11-25 | 2019-11-25 | Self-lifting antiskid plate, road icing antiskid system and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911168094.2A CN110924264A (en) | 2019-11-25 | 2019-11-25 | Self-lifting antiskid plate, road icing antiskid system and application |
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| CN110924264A true CN110924264A (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911168094.2A Pending CN110924264A (en) | 2019-11-25 | 2019-11-25 | Self-lifting antiskid plate, road icing antiskid system and application |
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| CN (1) | CN110924264A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114214979A (en) * | 2021-12-21 | 2022-03-22 | 安徽省路桥工程集团有限责任公司 | Multifunctional integrated rod piece for urban crossroads |
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| JPH09100506A (en) * | 1995-10-05 | 1997-04-15 | Tsutomu Sasaki | Nonslip pavement material and pavement method of nonslip road using this material |
| CN1451818A (en) * | 2002-04-12 | 2003-10-29 | 米砂瓦环境技术株式会社 | Snow melting device using geothermal energy |
| CN202131554U (en) * | 2011-06-08 | 2012-02-01 | 长安大学 | Active heat-insulation antiskid facility for road surfaces |
| CN203007771U (en) * | 2012-12-10 | 2013-06-19 | 李开峰 | Wheelslip prevention device |
| CN104294736A (en) * | 2014-09-18 | 2015-01-21 | 天津市何七科技有限公司 | Lightweight composite pavement |
| CN206495106U (en) * | 2016-12-30 | 2017-09-15 | 江西有色建设集团有限公司 | A kind of anti-skid structure of express highway pavement |
| CN110106459A (en) * | 2019-05-15 | 2019-08-09 | 大连大学 | A kind of training method improving NiTi alloy restoring force |
-
2019
- 2019-11-25 CN CN201911168094.2A patent/CN110924264A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09100506A (en) * | 1995-10-05 | 1997-04-15 | Tsutomu Sasaki | Nonslip pavement material and pavement method of nonslip road using this material |
| CN1451818A (en) * | 2002-04-12 | 2003-10-29 | 米砂瓦环境技术株式会社 | Snow melting device using geothermal energy |
| CN202131554U (en) * | 2011-06-08 | 2012-02-01 | 长安大学 | Active heat-insulation antiskid facility for road surfaces |
| CN203007771U (en) * | 2012-12-10 | 2013-06-19 | 李开峰 | Wheelslip prevention device |
| CN104294736A (en) * | 2014-09-18 | 2015-01-21 | 天津市何七科技有限公司 | Lightweight composite pavement |
| CN206495106U (en) * | 2016-12-30 | 2017-09-15 | 江西有色建设集团有限公司 | A kind of anti-skid structure of express highway pavement |
| CN110106459A (en) * | 2019-05-15 | 2019-08-09 | 大连大学 | A kind of training method improving NiTi alloy restoring force |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114214979A (en) * | 2021-12-21 | 2022-03-22 | 安徽省路桥工程集团有限责任公司 | Multifunctional integrated rod piece for urban crossroads |
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