Tunnel ditch heat preservation fixing device

By combining insulated drainage ditch covers and intelligent drainage ditch covers, along with fixed heating components and sensors, the problems of ice formation and cover tipping in tunnel drainage ditches have been solved, achieving intelligent temperature control and negative pressure protection.

CN223814076UActive Publication Date: 2026-01-20CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP
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Patent Information

Application Number
CN202520385201.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2026-01-20
Estimated Expiration
2035-03-06

AI Technical Summary

Technical Problem

High-speed railway tunnel drainage ditches are prone to freezing and their covers are easily overturned. Existing insulation measures are ineffective and costly, while existing reinforcement measures have limited effectiveness.

Method used

The system uses insulated and intelligent drainage ditch covers connected by fixed heating components, with ventilation holes and hollow pipes. It combines temperature sensors, water flow rate meters, and laser water level gauges for intelligent temperature control and uses flexible electric heating wires to prevent tipping due to negative pressure.

Benefits of technology

It effectively prevents water ditches from freezing, avoids the cover from tipping over, is simple to operate, low in cost, and achieves intelligent temperature control.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223814076U_ABST
    Figure CN223814076U_ABST
Patent Text Reader

Abstract

The utility model relates to a heat preservation fixing device for a tunnel ditch. At present, the phenomenon that a roadbed slab cracks due to overflow of an iced ditch in winter occurs occasionally, and as a high-speed railway runs at a high speed, a ditch cover plate can be turned over due to too large negative pressure in a headstock area sometimes. The intelligent heat preservation ditch cover plate comprises a heat preservation ditch cover plate body and an intelligent ditch cover plate body. The heat preservation ditch cover plate body and the intelligent ditch cover plate body are connected through a fixed heating assembly. A measuring assembly is arranged at the bottom of the second foam concrete prefabricated slab, a wireless antenna, a battery module and a collecting and transmitting assembly are arranged on the upper end face of the second foam concrete prefabricated slab, and the intelligent ditch cover plate transmits information measured by the measuring assembly through the wireless antenna and the collecting and transmitting assembly. The ditch is heated through the fixed heating assembly. The utility model can heat the ditch and strengthen the connection, and is not easy to turn over.
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Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel heat preservation technical field, concretely relates to a tunnel ditch heat preservation fixing device. BACKGROUND

[0002] With the rapid development of high-speed railway tunnel, the heat preservation problem of high-speed railway tunnel ditch in cold region is more and more serious, and the track bed plate cracking caused by the water ditch overflow due to icing in winter occurs from time to time. At the same time, due to the high speed of high-speed railway, the negative pressure area is easy to form in the train head area during driving in the tunnel, and sometimes due to the excessive negative pressure, the water ditch cover plate will be overturned, which affects the construction and operation safety of the tunnel project and threatens the normal driving of the train.

[0003] For the problem of icing in winter of high-speed railway tunnel ditch, at present, the main method is to set heat preservation cover plate on the surface of cover plate or set electric heating device inside the ditch, but the heat preservation cover plate cannot effectively prevent the ditch from icing, and the heat preservation cover plate is easy to be damaged; and the cost of setting electric heating device inside the water ditch cover plate is high, and the heating time and heating section cannot be effectively controlled, which is easy to waste in the construction and operation process; for the problem that the water ditch cover plate of high-speed railway tunnel is easy to be overturned due to aerodynamic effect, at present, the main method is to increase the area of hand hole and increase the weight of cover plate, but the effect is not very good.

[0004] Therefore, there is an urgent need for a device that can heat the high-speed railway tunnel ditch in cold region and is not easy to be overturned. SUMMARY

[0005] The utility model aims at providing a tunnel ditch heat preservation fixing device to at least solve the problems of easy icing in winter of high-speed railway tunnel ditch and easy overturning of water ditch cover plate.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A tunnel ditch heat preservation fixing device, the device comprises heat preservation ditch cover plate and intelligent ditch cover plate, the heat preservation ditch cover plate and the intelligent ditch cover plate are connected into one by fixed heating assembly for strengthening connection and heating, and are arranged above the ditch;

[0008] The heat preservation ditch cover plate comprises first foam concrete prefabricated slab, the first foam concrete prefabricated slab is provided with first air hole and a plurality of first hollow pipe, and the fixed heating assembly is arranged in the plurality of first hollow pipe;

[0009] The intelligent water ditch cover plate comprises a second foam concrete prefabricated plate, a plurality of second air holes and a plurality of second hollow pipes for connecting the fixed heating assembly are arranged on the second foam concrete prefabricated plate, a measuring assembly is arranged at the bottom of the second foam concrete prefabricated plate, a wireless antenna, a battery module and a collection and transmission assembly are arranged on the upper end surface of the second foam concrete prefabricated plate, the information measured by the measuring assembly is transmitted through the collection and transmission assembly by the wireless antenna, and the water ditch is heated by the fixed heating assembly when heating is required.

[0010] Further, the fixed heating assembly comprises positioning members for reinforcing connection and elastic electric heating wires for connection and heating, the elastic electric heating wires are arranged in the first hollow pipes and the second hollow pipes, the positioning members are arranged on the elastic electric heating wires and at the connection positions of the intelligent water ditch cover plate and the heat preservation water ditch cover plate.

[0011] Further, the measuring assembly comprises a temperature sensor, a water flow speed meter and a laser water level meter, the temperature sensor and the laser water level meter are arranged on the lower end surface of the second foam concrete prefabricated plate, and the water flow speed meter is connected to the lower end surface of the second foam concrete prefabricated plate and extends below the second foam concrete prefabricated plate.

[0012] Further, the collection and transmission assembly comprises an information storage module and a wireless radio transmission module, the information storage module and the wireless radio transmission module are arranged on one side of the battery module, the collection frequency is controlled by the information storage module, the collected information is stored in the information storage module, and the wireless radio transmission module sends the collected information through the wireless antenna.

[0013] Further, the intelligent water ditch cover plate and the heat preservation water ditch cover plate are longitudinally connected through the elastic electric heating wires.

[0014] Further, the first hollow pipes and the second hollow pipes are at least two in number and respectively penetrate the interiors of the first foam concrete prefabricated plate and the second foam concrete prefabricated plate.

[0015] Further, the first hollow pipes and the second hollow pipes are of the same size and in corresponding positions.

[0016] Further, the second air holes are at least two in number and are respectively arranged at positions close to the two ends of the second foam concrete prefabricated plate.

[0017] Further, the first foam concrete prefabricated plate is of an I-shaped structure.

[0018] Further, the second foam concrete prefabricated plate is of a T-shaped structure.

[0019] Compared with the prior art, the utility model has the advantages that:

[0020] The utility model discloses set up the heat preservation water ditch cover plate and the intelligent water ditch cover plate, and the heat preservation water ditch cover plate and the intelligent water ditch cover plate are connected as a whole through the fixed heating component enhancement, place in the water ditch top, and the heat preservation water ditch cover plate and the intelligent water ditch cover plate are equipped with first air hole and second air hole respectively, to avoid the device being upset because the negative pressure produced in the high -speed train travel process, and the water ditch is heated through the fixed heating component, makes the water ditch winter not easy to freeze.

[0021] The utility model discloses set up the fixed heating component positioning piece and elastic electric heating wire, and the intelligent water ditch cover plate is connected with the heat preservation water ditch cover plate through the elastic electric heating wire, and the positioning piece is located at the junction of the intelligent water ditch cover plate and the heat preservation water ditch cover plate, and the overall connection is strengthened, to avoid the device being upset easily, when needing to heat the water ditch, the water ditch is heated through the elastic electric heating wire, and the water ditch is avoided to freeze.

[0022] The utility model discloses set up temperature sensor, water flow speed meter and laser water level meter, be used for monitoring the temperature, water speed and water level in water ditch respectively, still set up information storage module and radio transmitting module, through information storage module control acquisition frequency, and the information storage of acquisition is in information storage module, and radio transmitting module sends the information of acquisition through wireless antenna, to realize the intelligent temperature adjustment in water ditch, the utility model discloses convenient operation, low in cost, simple and easy to make and convenient maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain the drawing of other embodiments according to these drawings.

[0024] Figure 1 It is the position schematic view of the utility model setting in the water ditch of high-speed railway tunnel;

[0025] Figure 2 It is the structure schematic view of the utility model;

[0026] Figure 3 It is Figure 2 The structure schematic view of heat preservation water ditch cover plate in it;

[0027] Figure 4 It is Figure 2 The structure schematic view of intelligent water ditch cover plate in it;

[0028] In the drawing, it is indicated as:

[0029] 1-Insulation water ditch cover plate, 2-Intelligent water ditch cover plate, 3-First foam concrete prefabricated slab, 4-First air hole, 5-First hollow pipe, 6-Second foam concrete prefabricated slab, 7-Second air hole, 8-Second hollow pipe, 9-Wireless antenna, 10-Battery module, 11-Positioning piece, 12-Elastic electric heating wire, 13-Temperature sensor, 14-Flow rate meter, 15-Laser water level gauge, 16-Information storage module, 17-Wireless radio transmitting module, 18-Power cable trough cover plate, 19-Communication cable trough cover plate. DETAILED DESCRIPTION

[0030] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. Preferred embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0031] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0032] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, set, or it can be detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] At the same time, in the description of the present application, the terms "first", "second" and the like are only used for differentiation and description, and cannot be understood as indicating or implying relative importance. Of course, such objects can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein.

[0034] In the detailed description, Figure 4 In the detailed description, Figure 4 In the detailed description,

[0035] Embodiment:

[0036] As shown in Figures 1-2 A tunnel water ditch heat preservation fixing device is arranged above the water ditch and between the power cable trench cover plate 18 and the communication cable trench cover plate 19, comprising a heat preservation water ditch cover plate 1 and an intelligent water ditch cover plate 2, the intelligent water ditch cover plate 2 is connected with the heat preservation water ditch cover plate 1 through a fixed heating assembly, the intelligent water ditch cover plate 2 is combined with the tunnel engineering and is arranged at different positions of the tunnel, and the heat preservation water ditch cover plate 1 is continuously arranged at the rear end of the intelligent water ditch cover plate 2.

[0037] As shown in Figure 3 The heat preservation water ditch cover plate 1 comprises a first foam concrete prefabricated plate 3, the first foam concrete prefabricated plate 3 is horizontally arranged in a I-shaped structure, the first foam concrete prefabricated plate 3 is provided with a first air hole 4 and two first hollow pipes 5, the first air hole 4 is vertically arranged at the center of the first foam concrete prefabricated plate 3, and the two first hollow pipes 5 are horizontally arranged at the front and rear end faces of the first foam concrete prefabricated plate 3, and the two first hollow pipes 5 are provided with the fixed heating assembly.

[0038] As shown in Figure 4 The intelligent water ditch cover plate 2 comprises a second foam concrete prefabricated plate 6, the second foam concrete prefabricated plate 6 is in a T-shaped structure, the second foam concrete prefabricated plate 6 is provided with two second air holes 7 and two second hollow pipes 8, the two second air holes 7 are vertically arranged at positions close to the front and rear ends of the second foam concrete prefabricated plate 6, the two second hollow pipes 8 are horizontally arranged at the front and rear end faces of the second foam concrete prefabricated plate 6 and are located in the upper horizontal structure of the T-shaped structure, the second foam concrete prefabricated plate 6 is provided with a measuring assembly at the bottom, and the second foam concrete prefabricated plate 6 is provided with a wireless antenna 9, a battery module 10 and a collection and transmission assembly at the upper end face, the intelligent water ditch cover plate 2 transmits the information measured by the measuring assembly through the wireless antenna 9, and the fixed heating assembly is used for heating the water ditch when heating is needed.

[0039] The first air hole 4 and the second air hole 7 are respectively used for reducing the negative pressure value of the heat preservation water ditch cover plate 1 and the intelligent water ditch cover plate 2, and the first hollow pipe 5 and the second hollow pipe 8 are consistent in size and corresponding in position.

[0040] As shown in Figure 3As shown, the fixed heating assembly includes positioning members 11 for reinforcing the connection and elastic heating wires 12 for connection and heating, the elastic heating wires 12 are threaded through the first hollow pipe 5 and the second hollow pipe 8, so that the intelligent water ditch cover plate 2 and the heat preservation water ditch cover plate 1 are connected longitudinally by the elastic heating wires 12, the positioning members 11 have through holes in the inside, the elastic heating wires 12 are threaded through the through holes, and are located at the connection between the intelligent water ditch cover plate 2 and the heat preservation water ditch cover plate 1, reinforcing the overall connection, so as to avoid the device from being overturned due to the negative pressure generated during the running of the high-speed train, when the water ditch needs to be heated, the elastic heating wires 12 are turned on to heat the water ditch.

[0041] As shown, Figure 4 The measurement assembly includes a temperature sensor 13, a water flow speed meter 14 and a laser water level meter 15, which are used to monitor the temperature, water speed and water level in the water ditch respectively, the temperature sensor 13 and the laser water level meter 15 are fixed to the lower end face of the lower vertical structure of the T-shaped structure, the temperature sensor 13 can automatically control the temperature of the water ditch in a certain section, the water flow speed meter 14 is connected to the lower end face of the lower vertical structure of the T-shaped structure and extends below the second foam concrete prefabricated slab 6.

[0042] The collection and transmission assembly includes an information storage module 16 and a radio transmission module 17, both of which are arranged on the front side of the battery module 10, the information storage module 16, the radio transmission module 17 and the battery module 10 form a square structure and are located between the two second air holes 7, the information storage module 16 controls the collection frequency, and the collected information is stored in the information storage module 16, the radio transmission module 17 transmits the collected information through the wireless antenna 9, and the measurement assembly and the collection and transmission assembly are both powered by the battery module 10.

[0043] The use process of the embodiment is as follows:

[0044] The heat preservation water ditch cover plate 1 and the intelligent water ditch cover plate 2 are fixed and assembled by the positioning members 11 and the elastic heating wires 12, then the device is placed above the water ditch, the temperature, water speed and water level in the water ditch are measured by the temperature sensor 13, the water flow speed meter 14 and the laser water level meter 15 respectively, the collection frequency is controlled by the information storage module 16, the collected information is stored in the information storage module 16, the radio transmission module 17 transmits the collected information to the information processing center of the box transformer chamber through the wireless antenna 9, the information processing center judges whether the water ditch needs to be heated according to the temperature, water speed and water level collected in each period, when the information processing center judges that the water ditch in a certain section may freeze according to the water flow information, the information processing center starts the electric heating control system and turns on the electric heating power source to heat the water ditch through the elastic heating wires, and simultaneously transmits the water flow condition in the water ditch to the maintenance section, and human control and maintenance are performed when necessary.

[0045] The above describes the present application by using specific examples, which is only used to help understand the present application and does not limit the present application. For those skilled in the art to which the present application belongs, according to the idea of the present application, some simple deductions, deformations or substitutions can be made.

Claims

1. A tunnel water ditch heat preservation fixing device, characterized in that: the device comprises a heat preservation ditch cover plate (1) and an intelligent ditch cover plate (2), the heat preservation ditch cover plate (1) and the intelligent ditch cover plate (2) are connected as a whole through a fixed heating assembly for reinforcing connection and heating, and are arranged above the ditch; the heat preservation ditch cover plate (1) comprises a first foam concrete prefabricated plate (3), the first foam concrete prefabricated plate (3) is provided with a first air hole (4) and a plurality of first hollow pipes (5), and the fixed heating assembly is arranged in the plurality of first hollow pipes (5); the intelligent ditch cover plate (2) comprises a second foam concrete prefabricated plate (6), the second foam concrete prefabricated plate (6) is provided with a plurality of second air holes (7) and a plurality of second hollow pipes (8) for connecting the fixed heating assembly, a measuring assembly is arranged at the bottom of the second foam concrete prefabricated plate (6), a wireless antenna (9), a battery module (10) and a collection and transmission assembly are arranged on the upper end surface of the second foam concrete prefabricated plate (6), the intelligent ditch cover plate (2) transmits the information measured by the measuring assembly through the collection and transmission assembly through the wireless antenna (9), and the ditch is heated through the fixed heating assembly when heating is needed.

2. The tunnel water ditch heat preservation fixing device according to claim 1, characterized in that: the fixed heating assembly comprises a positioning piece (11) for reinforcing connection and an elastic electric heating wire (12) for connection and heating, the elastic electric heating wire (12) penetrates through the first hollow pipes (5) and the second hollow pipes (8), the positioning piece (11) is arranged on the elastic electric heating wire (12) and at the connection position of the intelligent ditch cover plate (2) and the heat preservation ditch cover plate (1).

3. The tunnel water ditch heat preservation fixing device according to claim 1, characterized in that: the measuring assembly comprises a temperature sensor (13), a water flow speed meter (14) and a laser water level meter (15), the temperature sensor (13) and the laser water level meter (15) are arranged on the lower end surface of the second foam concrete prefabricated plate (6), and the water flow speed meter (14) is connected to the lower end surface of the second foam concrete prefabricated plate (6) and extends below the second foam concrete prefabricated plate (6).

4. The tunnel water ditch heat preservation fixing device according to claim 1, characterized in that: the collection and transmission assembly comprises an information storage module (16) and a radio transmission module (17), the information storage module (16) and the radio transmission module (17) are arranged on one side of the battery module (10), the collection frequency is controlled through the information storage module (16), the collected information is stored in the information storage module (16), and the radio transmission module (17) sends the collected information through the wireless antenna (9).

5. The tunnel water ditch heat preservation fixing device according to claim 1, characterized in that: ​ ​ ​ ​ ​ ​ The intelligent water ditch cover plate (2) is longitudinally connected with the heat preservation water ditch cover plate (1) through the elastic electric heating wire (12). 6.The tunnel water ditch heat preservation fixing device according to claim 1, characterized in that: The first hollow pipe (5) and the second hollow pipe (8) are each provided with at least two, and are respectively penetrated in the inside of the first foam concrete prefabricated slab (3) and the second foam concrete prefabricated slab (6). 7.The tunnel water ditch heat preservation fixing device according to claim 1, characterized in that: The first hollow pipe (5) and the second hollow pipe (8) are consistent in size and corresponding in position. 8.The tunnel water ditch heat preservation fixing device according to claim 1, characterized in that: The second air hole (7) is provided with at least two, and is respectively arranged at the position close to the two ends of the second foam concrete prefabricated slab (6). 9.The tunnel water ditch heat preservation fixing device according to claim 1, characterized in that: The first foam concrete prefabricated slab (3) is a I-shaped structure. 10.The tunnel water ditch heat preservation fixing device according to claim 1, characterized in that: The second foam concrete prefabricated slab (6) is a T-shaped structure.