A low-cost snow-melting agent distribution device arranged at a tunnel portal

Abstract

The utility model discloses a low -cost snow -melting agent distribution device of being laid in the tunnel mouth belongs to the tunnel safety technical field to solve the problem that the tunnel mouth snow -melting agent distribution does not have special equipment, and the use of snow -melting car snow -melting agent distribution cost performance is low. The device includes the liquid storage bucket in the anchoring ditch and the conveying pump and the liquid storage tank on the tunnel mouth road surface, the liquid storage tank is equipped with the liquid storage roller and the supporting piece, the liquid storage tank bottom is equipped with the residue pad below the liquid storage roller, the liquid storage roller includes the pivot and the liquid storage layer and the rubber layer from inside to outside wrapping on it, and a plurality of liquid seepage holes are formed on the rubber layer, and the pivot is arranged in the liquid storage tank through the bearing and can rotate freely. The utility model discloses simple structure, and the material is common, and the processing is convenient, and the cost is low, and when the snow depth is insufficient, and there is no snow -melting car work, as the simple removal device of the tunnel mouth snow and ice, the cost is low, and the practicality is very strong.

Description

Technical Field

[0001] This utility model belongs to the field of tunnel safety technology, specifically relating to a low-cost de-icing agent distribution device installed at the tunnel entrance. Background Technology

[0002] In seasonally frozen regions, frequent snowfall in winter leads to significant snow and ice accumulation on roads, resulting in a high incidence of traffic accidents. Analysis of the causes of road accidents during snowy weather over many years has revealed a high proportion of accidents at tunnel entrances, in addition to road traffic accidents. This has attracted the attention of tunnel operation and inspection technicians. Conventionally, tunnels are not affected by snow and ice, and the accident rate should be much lower than on roads. Why then is there a higher accident rate at tunnel entrances? Analysis reveals the following main reasons: 1. When drivers enter and exit tunnels, their vision is prone to the "black hole effect" or "white hole effect," which can easily lead to traffic accidents. After snowfall, before de-icing agents are spread on the roads, vehicle tires will carry snow into the tunnels, making the road conditions in some areas at the tunnel entrance more complex. The road surface contains snow, melted snow water, and ice formed from the melted snow water. This more complex road condition is more likely to cause traffic accidents than a snow-covered road surface.

[0003] 2. When entering a tunnel, drivers generally feel relaxed because they have passed the difficult section of road covered in snow. When exiting the tunnel, the speed will not be too slow because the road is relatively smooth inside the tunnel. The deceleration usually occurs after exiting the tunnel. Drivers generally do not slow down in advance. At higher speeds, the vehicle may be affected when encountering a mixed road surface of snow, water and ice near the tunnel entrance.

[0004] 3. Snow removal on roads during snowy weather generally involves mechanical snow removal and the application of de-icing agents. Mechanical snow removal is less efficient and causes some damage to the road surface, so it is rarely used. Currently, the application of de-icing agents is also more focused on the road surface. Regardless of the method used, a certain snow depth is required before snow removal work can begin. This leads to complex road conditions at tunnel entrances, which on the one hand do not receive much attention from drivers, and on the other hand, tunnel operators do not specifically deploy snow-melting trucks to apply de-icing agents or send personnel to clear snow and ice at tunnel entrances when the snow depth is insufficient, because the workload is too small and the cost is too high.

[0005] Based on the problems mentioned above, technicians have discovered that if there were a low-cost de-icing agent distribution device at the tunnel entrance in seasonally frozen areas, which does not require excessive manpower for operation and maintenance, the mixture of ice and snow water in the tunnel entrance area could be cleared at low cost, which would greatly reduce tunnel entrance accidents in snowy weather. Utility Model Content

[0006] The purpose of this invention is to provide a low-cost de-icing agent distribution device for use at tunnel entrances, in order to solve the problem that there is no dedicated equipment for de-icing agent distribution at tunnel entrances and that using de-icing trucks to spread de-icing agents is cost-effective.

[0007] To solve the above problems, the technical solution of this utility model is as follows: A low-cost de-icing agent distribution device installed at the tunnel entrance includes a storage tank in an anchoring trench and a delivery pump and storage tank on the road surface at the tunnel entrance. A storage roller and a support are spaced apart in the storage tank, and a slag-absorbing pad is provided at the bottom of the storage tank below the storage roller. The storage roller includes a rotating shaft and a storage layer and a rubber layer wrapped around it from the inside out, and several seepage holes are opened on the rubber layer. The rotating shaft is installed in the storage tank through bearings and can rotate freely.

[0008] Furthermore, speed bumps are installed in both directions of passage through the tunnel in the liquid storage tank.

[0009] Furthermore, the storage tank is equipped with a motor, a water inlet, and an inspection cover. The storage tank contains a stirring assembly, and the motor is connected to and drives the stirring assembly to work.

[0010] Furthermore, a filter cover is installed at the bottom of the storage tank where it connects to the water pipe to filter out impurities and residues in the storage tank and ensure unobstructed pipe flow.

[0011] Furthermore, the storage tank is connected to the storage trough via a water pipe, the delivery pump is mounted on the water pipe, and a water valve is installed on the water pipe.

[0012] Furthermore, the liquid storage tank is flush with the support, while the liquid storage roller is higher than the liquid storage tank and the support.

[0013] The beneficial effects of this utility model are as follows: (1) This utility model stores or configures de-icing agent in a storage tank, and periodically pumps the de-icing agent into the storage tank through a delivery pump. Since the storage tank protrudes from the road surface, it can act as a speed bump when entering or exiting a tunnel. Drivers will slow down regardless of whether they actively or passively encounter it. On the other hand, the de-icing agent in the storage tank will soak the storage roller. The storage layer of the storage roller is saturated with and stores the de-icing agent. When there are no vehicles, the storage roller is slightly higher than the storage tank. When vehicles pass by, the wheels come into contact with the storage roller, and the flexible... After being compressed, the de-icing agent in the reservoir is almost flush with the reservoir and supporting components. Under pressure, the de-icing agent in the reservoir is squeezed out from the seepage pores of the rubber layer and adheres to the tire. The de-icing agent on the tire naturally distributes around the tunnel entrance where the reservoir is located. When the de-icing agent encounters snow and ice, it promotes melting and flows to both sides of the road surface at the tunnel entrance, thereby eliminating snow and ice accumulation at the tunnel entrance and objectively improving the complex road conditions at the tunnel entrance. Through both speed reduction and snow melting, the accident rate at the tunnel entrance can be greatly reduced. The fine debris pad can absorb fine debris that falls from the tire as it passes, preventing the de-icing agent in the reservoir from becoming too turbid, which would hinder the absorption of the reservoir layer.

[0014] (2) The trapezoidal speed bumps installed before and after the storage tank prevent excessive deceleration; the storage tank can store water in normal times, and due to the delivery pump, the small amount of water used in the tunnel can be met at any time without frequently turning on the fire water; in case of emergency and fire water supply is interrupted, the water in the storage tank can be used as an emergency measure to buy time for fire water supply; when it is necessary to prepare de-icing agent, the combination of motor and stirring components can be used to prepare and stir the de-icing agent; the water inlet can be connected to the fire water supply, the inspection cover can be opened to add de-icing agent, and it can also be used for people to go down the well to inspect the storage tank, clean the filter cover and other debris; the water valve facilitates the opening and closing of the water supply pipe.

[0015] (3) The structure of this utility model is very simple, the materials are common, the processing is convenient and the cost is low. When the snow depth is insufficient and there is no snow melting vehicle, it can be used as a simple removal device for snow and ice at the tunnel entrance. It is inexpensive and highly practical. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a low-cost de-icing agent distribution device installed at the tunnel entrance. Figure 2 This is a schematic diagram of the storage tank in a low-cost de-icing agent distribution device installed at the tunnel entrance; Figure 3 This is a schematic diagram of the liquid storage roller in a low-cost de-icing agent distribution device installed at the tunnel entrance.

[0017] The attached diagram is labeled as follows: 1-Anchoring trench; 2-Road surface; 3-Storage tank; 31-Motor; 32-Agitator assembly; 33-Water inlet; 34-Inspection cover; 35-Filter sludge cover; 36-Water pipe; 37-Water valve; 4-Transfer pump; 5-Storage tank; 51-Storage roller; 52-Sludge suction pad; 53-Bearing; 54-Shaft; 55-Storage layer; 56-Rubber layer; 57-Leakage hole; 58-Support component; 6-Speed ​​bump. Detailed Implementation

[0018] like Figure 1 As shown, a low-cost de-icing agent distribution device installed at the tunnel entrance includes a storage tank 3 installed in an anchoring trench 1, a delivery pump 4 installed on the road surface 2 at the tunnel entrance, and a storage tank 5; the storage tank 5 is equipped with speed bumps 6 in both the front and rear directions of tunnel passage; the storage tank 3 is connected to the storage tank 5 through a water pipe 36, the delivery pump 4 is installed on the water pipe 36, and a water valve 37 is installed on the water pipe 36.

[0019] The liquid storage tank 3 is equipped with a motor 31, a water inlet 33, and an inspection cover 34. The liquid storage tank 3 is equipped with a stirring assembly 32, and the motor 31 is connected to and drives the stirring assembly 32. A filter cover 35 is provided at the bottom of the liquid storage tank 3 where it connects to the water pipe 36.

[0020] A liquid storage tank 5 is provided with a liquid storage roller 51 and a support member 58 at an interval. The liquid storage tank 5 and the support member 58 are at the same height. The liquid storage roller 51 is higher than the liquid storage tank 5 and the support member 58. A slag suction pad 52 is provided at the bottom of the liquid storage tank 5 below the liquid storage roller 51.

[0021] The liquid storage roller 51 includes a rotating shaft 54 ​​and a liquid storage layer 55 and a rubber layer 56 wrapped around it from the inside to the outside. Several seepage holes 57 are opened on the rubber layer 56. The rotating shaft 54 ​​is located in the liquid storage tank 5 via the bearing 53 and can rotate freely.

[0022] It should be noted that since this utility model is intended for use by traffic, special attention must be paid to the selection of materials for the liquid storage tank 5, the support 58, and the rotating shaft 54 ​​during the pre-implementation processing. High-quality steel should be selected to prevent deformation during traffic operation that could render the device inoperable.

[0023] Theoretically, any flexible and absorbent material can be used for the liquid storage layer 55 and the sludge suction pad 52. However, in practice, it has been found that sponges are more effective than felts. The sponge for the liquid storage layer 55 can be made of fine and dense material, which is more durable. The sludge suction pad 52 should be made of large-pore and loose material, which is cheaper and can absorb more fine sludge.

[0024] The usage process of this utility model is as follows: Based on weather forecasts and the experience of tunnel operators, if the estimated snowfall reaches the level of snow accumulation, this utility model and speed bumps 6 are assembled at the tunnel entrance in the early stages of snowfall, with multiple sets placed to basically cover the area for vehicle passage across the tunnel width. The water level in the storage tank 3 is checked; if insufficient, water is added through the water inlet 33, and then a certain proportion of de-icing agent is added according to the water level. This utility model selects a water-soluble, environmentally friendly de-icing agent (chloride-free). The motor 31 is turned on to drive the stirring component 32 to stir and dissolve the de-icing agent, dispersing it evenly in the storage tank 3. The water valve 37 is opened, and the delivery pump 4 is turned on to pump the de-icing agent into the storage tank 5, ensuring that the storage roller 51 is submerged below the liquid surface. Then, the delivery pump 4 and water valve 37 are turned off.

[0025] In some application scenarios, a level gauge is installed in the storage tank 5, and automatic control is achieved through PLC or DCS. When the de-icing agent in the storage tank 5 is lower than the level gauge, the transfer pump 4 is triggered to start automatically pumping the de-icing agent. When the level gauge is reached, the transfer pump 4 is automatically turned off.

[0026] Before the vehicle passes, the driver first sees the reflective warning of speed bump 6, then slows down and passes over speed bump 6 and reservoir 5. Upon passing, the sponge in reservoir layer 55 is compressed, becoming almost flush with reservoir 5 and support 58. Under pressure, the de-icing agent inside the sponge in reservoir layer 55 is squeezed out from the seepage holes 57 in rubber layer 56 and adheres to the tire. The de-icing agent on the tire naturally distributes around the tunnel entrance where reservoir 5 is located. When the de-icing agent encounters snow and ice, it melts and flows by gravity to both sides of the road surface at the tunnel entrance, thus eliminating snow and ice at the tunnel entrance. The melted snow and ice naturally flow to both sides of the road surface, maintaining good road conditions at the tunnel entrance.

[0027] After the tire passes through, the fine debris that falls into the storage tank 5 is absorbed by the slag-absorbing pad 52 and mostly fixed in its sponge pores, preventing too much fine debris from mixing into the sponge of the storage layer 55 and affecting the absorption of the de-icing agent.

[0028] When snow is melted and recycled before and after the tunnel, the slag suction pad 52 can be directly extracted and discarded. The liquid storage roller 51, along with the bearing 53, can be removed from the bearing seat (existing technology, not shown in the figure) located on the side wall of the liquid storage tank 5, and then rinsed with high-pressure water and dried.

[0029] When encountering heavy snow or blizzards, the processing capacity of this utility model cannot significantly improve the snow and ice accumulation at the tunnel entrance. However, the road operation unit will start snow melting vehicles. When the snow melting vehicles spread the snow melting agent, they can simply spray a high concentration of snow melting agent at the tunnel entrance, so this utility model is not needed.

[0030] This utility model is only used to maintain the road conditions at the tunnel entrance at the lowest cost when there is snow on the road but the snow melting vehicle has not yet been started. When in use, the staff basically only need to place, start and retrieve the vehicle, and the rest of the process requires almost no management. Compared with the snow melting vehicle, it has almost no major cost and is highly practical.

[0031] It should be noted that the motor, mixing assembly, delivery pump, bearings, speed bump, and other components are all commercially available and readily available products. Specific models and specifications can be selected based on the application scenario. Staff do not need to understand their specific structure and working principle; as long as the product functions normally, it will not affect the implementation of this utility model. Further details are omitted here.

Claims

1. A low-cost de-icing agent distribution device installed at tunnel entrances, characterized in that: It includes a liquid storage tank (3) installed in the anchoring trench (1) and a delivery pump (4) and a liquid storage tank (5) installed on the road surface (2) at the tunnel entrance; the liquid storage tank (5) is provided with a liquid storage roller (51) and a support (58) at intervals in the middle, and a slag suction pad (52) is provided at the bottom of the liquid storage tank (5) below the liquid storage roller (51); the liquid storage roller (51) includes a rotating shaft (54) and a liquid storage layer (55) and a rubber layer (56) wrapped around it from the inside to the outside, and several seepage holes (57) are opened on the rubber layer (56); the rotating shaft (54) is installed in the liquid storage tank (5) through a bearing (53) and can rotate freely.

2. The low-cost de-icing agent distribution device deployed at the tunnel entrance as described in claim 1, characterized in that: The liquid storage tank (5) is equipped with speed bumps (6) in both the front and rear directions of tunnel passage.

3. A low-cost de-icing agent distribution device installed at a tunnel entrance as described in claim 1 or 2, characterized in that: The liquid storage tank (3) is equipped with a motor (31), a water inlet (33), and an inspection cover (34). The liquid storage tank (3) is equipped with a stirring assembly (32), and the motor (31) is connected to and drives the stirring assembly (32).

4. A low-cost de-icing agent distribution device deployed at a tunnel entrance as described in claim 3, characterized in that: The bottom of the storage tank (3) is equipped with a filter cover (35) at the connection between the water pipe (36) and the storage tank (3) to filter impurities and residues in the storage tank and ensure unobstructed flow of the pipeline.

5. A low-cost de-icing agent distribution device deployed at a tunnel entrance as described in claim 4, characterized in that: The storage tank (3) is connected to the storage tank (5) through a water pipe (36), the delivery pump (4) is installed on the water pipe (36), and a water valve (37) is installed on the water pipe (36).

6. A low-cost de-icing agent distribution device deployed at a tunnel entrance as described in claim 1, characterized in that: The liquid storage tank (5) is flush with the support member (58), and the liquid storage roller (51) is higher than the liquid storage tank (5) and the support member (58).

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