Electric heating element for tunnel portal snow melting system

Abstract

The utility model discloses an electric heating element for a tunnel portal snow melting system, which belongs to the technical field of road snow melting and comprises a mounting box, a plurality of heating pipes and a plurality of placing components, one end of the mounting box is open, a placing groove is arranged at the upper end of one side, close to the opening, of the mounting box, and the heating pipes are arranged in the placing groove. A pair of symmetrical limiting blocks is fixedly connected to the bottom end of the inner wall of the mounting box, the placing assembly comprises a placing box, and the heating pipes are matched with the placing box. The multiple placing assemblies can be mounted in the inner cavity of the mounting box from the placing groove through the driving assembly, or all the placing assemblies are taken out from the placing groove, the road surface of the tunnel portal does not need to be excavated, normal operation of road traffic cannot be affected, great convenience is brought to mounting and overhauling work, and the working efficiency is improved. And meanwhile, the maintenance cost is reduced, and the influence on traffic operation is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of road snow melting, and more particularly to an electric heating element for a tunnel entrance snow melting system. Background Art

[0002] The tunnel entrance is the only way for vehicles to enter and exit the tunnel. In winter, if the snow at the tunnel entrance is not cleared in time, it may gradually accumulate and block the tunnel entrance, affecting the normal operation of traffic. Existing technology often installs a snow melting system under the road surface of some tunnel entrances to heat the road surface in cold weather conditions and melt the snow and ice at the tunnel entrance and nearby areas. The electric heating elements used in the snow melting system are usually made of high-efficiency and durable materials. They can generate enough heat at a lower voltage to effectively melt ice and snow. They can be heating pipes, heating cables or heating plates.

[0003] In the existing technology, the electric heating elements in the snow melting system are often installed under the road surface at the tunnel entrance. Usually after installation, in order to protect the electric heating elements and ensure the flatness of the road surface, a layer of cement or other suitable materials will be poured on them. The electric heating elements need to be regularly inspected or replaced, and users need to excavate the road surface to carry out inspections, which not only increases the inspection cost, but also affects the normal operation of road traffic.

[0004] Therefore, in order to solve the above problems, an electric heating element for a tunnel entrance snow melting system is proposed. Utility Model Content

[0005] 1. Technical problems to be solved

[0006] In response to the problems existing in the prior art, the purpose of the present utility model is to provide an electric heating element for a tunnel entrance snow melting system. In this solution, when installing and removing multiple heating tubes, the user only needs to turn on the road surface switch located next to the road, and then the multiple placement components can be installed from the placement groove to the inner cavity of the installation box through the driving component, or all the multiple placement components can be removed from the placement groove, without the need to excavate the road surface at the tunnel entrance and without affecting the normal operation of road traffic, which brings great convenience to safety and maintenance work, while also reducing maintenance costs and reducing the impact on traffic operations.

[0007] 2. Technical solution

[0008] In order to solve the above problems, the present invention adopts the following technical solutions.

[0009] An electric heating element for a tunnel entrance snow melting system includes an installation box, multiple heating tubes, and multiple placement components. One end of the installation box is open, and a placement groove is provided at the upper end of the installation box close to the opening. A pair of mutually symmetrical limit blocks are fixedly connected to the bottom end of the inner wall of the installation box. The placement component includes a placement box, the heating tubes match the placement box, and a drive component is provided between the pair of limit blocks.

[0010] Furthermore, a pair of mutually symmetrical rollers are fixedly connected to the bottom end of the placement box, and a limiting groove matching the rollers is formed on the upper end of the limiting block.

[0011] Furthermore, a pair of the limiting blocks form a wire storage bin between one end away from each other and the inner wall of the installation box, and a pair of wire placement grooves matching the heating tubes are opened on the top of the placement box.

[0012] Furthermore, the driving assembly includes a servo motor and a pair of limiting rods. The servo motor is installed at one end of the limiting block, and the pair of limiting rods are respectively arranged on both sides of the inner cavity of the installation box.

[0013] Furthermore, one end of one of the limit rods is fixedly connected to the output end of the servo motor, and the end of the limit rod away from the servo motor is rotatably connected to the limit block, and both ends of the other limit rod are rotatably connected to a pair of limit blocks respectively.

[0014] Furthermore, a pair of sprockets are fixedly connected to the outer ends of a pair of the limit rods, chains are installed on the outer ends of the sprockets, multiple sprockets are connected through chain transmission, and the bottom end of the placement box is fixedly connected to a rack matching the chain.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the advantages of the present invention are:

[0017] In this solution, when installing and removing multiple heating tubes, the user only needs to turn on the road surface switch located next to the road, and then the multiple placement components can be installed from the placement groove to the inner cavity of the installation box through the driving component, or all the multiple placement components can be removed from the placement groove, without the need to excavate the road surface at the tunnel entrance, and will not affect the normal operation of road traffic, which brings great convenience to safety and maintenance work, while also reducing maintenance costs and reducing the impact on traffic operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0020] Figure 3This is a schematic diagram of the structure of the components of the utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the installation box of the utility model.

[0022] Description of the numbers in the figure:

[0023] 1. Installation box;

[0024] 2. Place the slot;

[0025] 3. Limit block;

[0026] 4. Limiting slot;

[0027] 5. Wire storage;

[0028] 6. Drive assembly; 601. Servo motor; 602. Chain; 603. Limit rod;

[0029] 7. Heating tube;

[0030] 8. Placement components; 801. Placement box; 802. Roller; 803. Rack; 804. Wire trough. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0032] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.

[0034] Example:

[0035] See also Figure 1-2 An electric heating element for a tunnel entrance snow melting system includes an installation box 1, multiple heating tubes 7 and multiple placement components 8. One end of the installation box 1 is open, and a placement groove 2 is provided at the upper end of the installation box 1 close to the opening. A pair of symmetrical limit blocks 3 are fixedly connected to the bottom end of the inner wall of the installation box 1. The placement component 8 includes a placement box 801, the heating tube 7 matches the placement box 801, and a driving component 6 is provided between the pair of limit blocks 3.

[0036] The tunnel entrance is the only way for vehicles to enter and exit the tunnel. In winter, if the snow at the tunnel entrance is not cleared in time, it may gradually accumulate and then block the tunnel entrance, affecting the normal operation of traffic. In the existing technology, the electric heating elements in the snow melting system are often installed under the road surface of the tunnel entrance. Usually, after installation, in order to protect the electric heating elements and ensure the flatness of the road surface, a layer of cement or other suitable materials will be poured on them. The electric heating elements need to be regularly inspected or replaced. The user needs to dig the road surface to carry out the inspection work, which not only increases the inspection cost, but also affects the normal operation of road traffic. In this solution, the user can bury the installation box 1 horizontally under the road surface of the tunnel entrance in advance, set an openable road surface switch matching the placement groove 2 above the placement groove 2, and then install multiple heating pipes 7 on multiple placement components 8 respectively. Then, multiple placement components 8 are placed from the placement groove 2 into the installation box 1 in turn. In the process of preventing the placement components 8, the multiple placement components 8 are transferred to the deep inner cavity of the installation box 1 through the driving component 6 until the multiple heating tubes 7 are tightly arranged inside the installation box 1. With such an arrangement, when the multiple heating tubes 7 are started at the same time, the heat emitted by them can be conducted to the upper end of the installation box 1, and then conducted to the road surface above it through the installation box 1, heating the snow on the road surface to accelerate its melting. When installing and removing multiple heating tubes 7, the user only needs to turn on the road surface switch located next to the road, and can install the multiple placement components 8 from the placement groove 2 to the inner cavity of the installation box 1 through the driving component 6, or remove all the multiple placement components 8 from the placement groove 2, without the need to excavate the road surface at the tunnel entrance, and will not affect the normal operation of road traffic.

[0037] See also Figure 2-3 A pair of symmetrical rollers 802 are fixedly connected to the bottom of the placement box 801, and a limiting groove 4 matching the roller 802 is opened at the upper end of the limiting block 3. A wire storage bin 5 is formed between the ends of the pair of limiting blocks 3 away from each other and the inner wall of the installation box 1. A pair of wire placement grooves 804 matching the heating tube 7 are opened at the top of the placement box 801.

[0038] When the user installs multiple heating tubes 7, he first places the heating tubes 7 in the inner cavity of the placement box 801, and then places the placement box 801 from the placement groove 2 into the inner cavity of the installation box 1, so that the pair of rollers 802 at the bottom end of the placement box 801 enter the pair of limit grooves 4 respectively, so that the placement box 801 can slide on the pair of limit blocks 3 through the rollers 802. At the same time, the user can place the cable connected to the heating tube 7 in the wire placement groove 804, and then insert the cable into the wire storage bin 5. With this arrangement, when the placement box 801 enters deep into the inner cavity of the installation box 1, the cable connected to the heating tube 7 can always be in the wire storage bin 5, thereby avoiding direct contact between the cable and the heating tube 7, and preventing the heating of the heating tube 7 from damaging the cable.

[0039] See also Figure 2-4 The driving assembly 6 includes a servo motor 601 and a pair of limit rods 603. The servo motor 601 is installed at one end of the limit block 3. The pair of limit rods 603 are respectively arranged on both sides of the inner cavity of the installation box 1. One end of one limit rod 603 is fixedly connected to the output end of the servo motor 601, and the limit rod 603 is rotatably connected to the limit block 3 at one end away from the servo motor 601. The two ends of the other limit rod 603 are respectively rotatably connected to the pair of limit blocks 3. The outer ends of the pair of limit rods 603 are fixedly connected to a pair of sprockets, and the outer ends of the sprockets are installed with chains 602. Multiple sprockets are connected by transmission through the chains 602. The bottom end of the placement box 801 is fixedly connected to a rack 803 matching the chain 602.

[0040] When the user places the placement box 801 on a pair of limit blocks 3, the pair of racks 803 at the bottom of the placement box 801 will also engage with the pair of chains 602 respectively. At this time, the user starts the servo motor 601 to drive the limit rod 603 to rotate, and the limit rod 603 drives the pair of sprockets to rotate. Cooperating with another limit rod 603 and another pair of sprockets above it, the pair of chains 602 can be forced to move. The movement of the pair of chains 602 can drive the rack 803 to move, and then the placement box 801 slides above the limit block 3 through the roller 802, and the placement box 801 moves deep into the inner cavity of the installation box 1. The user then places other placement boxes 801 close to the previous placement box 801 in turn into the installation box 1. In this way, multiple placement boxes 801 carrying heating tubes 7 can be sent into the inner cavity of the installation box 1 to complete the installation of the heating tube 7. Similarly, the user can take multiple placement boxes 801 out of the placement slot 2 in turn by reversing the rotation direction of the servo motor 601.

[0041] Working principle:

[0042] During use, the user can bury the installation box 1 horizontally under the road surface of the tunnel entrance in advance, and set an openable road surface switch matching the placement slot 2 above the placement slot 2. After turning on the road surface switch, multiple heating tubes 7 are placed in the inner cavities of multiple placement boxes 801 respectively, and then the placement box 801 is placed from the placement slot 2 into the inner cavity of the installation box 1, so that the pair of rollers 802 at the bottom end of the placement box 801 enter the pair of limiting slots 4 respectively, and at the same time, the cable connected to the heating tube 7 is laid in the wire placement slot 804, and then the cable is stuffed into the wire storage bin 5. When the user lays the placement box 801 on a pair of limiting blocks 3, the pair of racks 803 at the bottom end of the placement box 801 will also engage with the pair of chains 602 respectively. At this time, the user starts the servo motor 601 to drive the limiting rod 603 to rotate, and the limiting rod 603 drives a pair of sprockets to rotate, cooperating with another limiting rod 603 and the one above it. Another pair of sprockets can force a pair of chains 602 to move, and the movement of the pair of chains 602 can drive the rack 803 to move, thereby making the placement box 801 slide above the limit block 3 through the roller 802, and the placement box 801 moves deep into the inner cavity of the installation box 1. The user then places the other placement boxes 801 close to the previous placement box 801 into the installation box 1 in turn, thereby all the placement boxes 801 carrying the heating tubes 7 can be sent into the inner cavity of the installation box 1 to complete the installation of the heating tubes 7. Similarly, the user can take out the multiple placement boxes 801 from the placement slot 2 in turn by adjusting the rotation direction of the servo motor 601. The user turns off the road surface switch and starts the multiple heating tubes 7 at the same time. The heat emitted can be conducted to the upper end of the installation box 1, and then conducted to the road surface above it through the installation box 1, heating the snow on the road surface to accelerate its melting.

[0043] The above description is merely a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Any person skilled in the art who, within the technical scope disclosed in the present invention, makes equivalent substitutions or modifications based on the technical solutions and improved concepts of the present invention shall be covered by the scope of protection of the present invention.

Claims

1. An electric heating element for a tunnel entrance snow melting system, comprising a mounting box (1), a plurality of heating tubes (7) and a plurality of placement components (8), characterized in that: One end of the installation box (1) is open, and a placement groove (2) is provided at the upper end of the installation box (1) close to the opening. A pair of mutually symmetrical limit blocks (3) are fixedly connected to the bottom end of the inner wall of the installation box (1). The placement component (8) comprises a placement box (801), the heating tube (7) matches the placement box (801), and a driving component (6) is provided between the pair of limit blocks (3).

2. The electric heating element for a tunnel entrance snow melting system according to claim 1, characterized in that: A pair of mutually symmetrical rollers (802) are fixedly connected to the bottom end of the placement box (801), and a limiting groove (4) matching the rollers (802) is formed at the upper end of the limiting block (3).

3. The electric heating element for a tunnel entrance snow melting system according to claim 1, characterized in that: A wire storage bin (5) is formed between one end of a pair of limit blocks (3) that is away from each other and the inner wall of the installation box (1), and a pair of wire placement grooves (804) that match the heating tube (7) are provided at the top of the placement box (801).

4. The electric heating element for a tunnel entrance snow melting system according to claim 1, characterized in that: The driving assembly (6) comprises a servo motor (601) and a pair of limit rods (603); the servo motor (601) is mounted on one end of the limit block (3); and the pair of limit rods (603) are respectively arranged on both sides of the inner cavity of the installation box (1).

5. The electric heating element for a tunnel entrance snow melting system according to claim 4, characterized in that: One end of one of the limit rods (603) is fixedly connected to the output end of the servo motor (601), and the end of the limit rod (603) away from the servo motor (601) is rotatably connected to the limit block (3), and the two ends of the other limit rod (603) are respectively rotatably connected to a pair of limit blocks (3).

6. The electric heating element for a tunnel entrance snow melting system according to claim 4, characterized in that: The outer ends of a pair of limit rods (603) are fixedly connected to a pair of sprockets, the outer ends of the sprockets are installed with chains (602), and the plurality of sprockets are connected in transmission via the chains (602). The bottom end of the placement box (801) is fixedly connected to a rack (803) matching the chains (602).

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