Air bin structure of extra-long single-track railway tunnel

Abstract

The utility model discloses an extra-long single track railway tunnel wind bin structure, which relates to a main tunnel supporting frame and an inclined shaft supporting frame communicated with the main tunnel supporting frame and comprises a supporting plate, a surrounding plate and two side plates. The supporting plate is arranged in the main tunnel supporting frame in the length direction of the main tunnel supporting frame and divides the main tunnel supporting frame into an upper independent space and a lower independent space, the surrounding plate is arranged in the upper independent space and attached to the inner top wall of the main tunnel supporting frame, an air flue is defined by the surrounding plate and the supporting plate, and the two side plates are arranged on the two sides of the supporting plate respectively and seal the air flue. First air ports with different sizes are formed in the two side plates respectively, and second air ports are formed in the positions, corresponding to the inclined shaft supporting frames, of the surrounding plates. According to the utility model, the side plates are arranged in different sizes, so that different required air volumes of the two end parts of the air bin are met, the problem of air robbing is avoided in the ventilation process, and the ventilation effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel ventilation technical field, concretely relates to a long single line railway tunnel air store structure. BACKGROUND

[0002] With the progress of tunnel construction technology, the air store ventilation becomes a kind of commonly used ventilation method for tunnel excavation using existing inclined shaft, and the air store ventilation has the advantages of high ventilation efficiency, effectively reducing the length of air pipe and strong applicability, but also has the following shortcomings:

[0003] Under the condition that the air requirement difference of the left and right ends of the air store is large, wind stealing phenomenon occurs, leading to poor ventilation effect.

[0004] In view of the deficiency of prior art, a long single line railway tunnel air store structure is provided. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem to provide a long single line railway tunnel air store structure for guaranteeing ventilation effect.

[0006] In order to solve the above technical problem, the utility model adopts the following technical scheme: a long single line railway tunnel air store structure relates to a main tunnel support frame and an inclined shaft support frame connected with the main tunnel support frame, comprising a support plate, a coaming and two side plates;

[0007] The support plate is arranged in the main tunnel support frame along the length direction of the main tunnel support frame, and the main tunnel support frame is separated into two independent spaces, the coaming is arranged in the upper independent space and adhered to the inner top wall of the main tunnel support frame, and the coaming and the support plate form an air duct, two side plates are arranged on both sides of the support plate and seal the air duct, and first air ports with different sizes are arranged on the two side plates, respectively, and a second air port is arranged on the coaming corresponding to the position of the inclined shaft support frame.

[0008] Further, two fans are arranged at the positions of the two first air ports, respectively.

[0009] Further, two air pipes are arranged at the positions of the two first air ports, respectively, and two support frames are arranged on the support plate, and the two support frames are used for supporting the two air pipes, respectively.

[0010] Further, the support frame comprises a bottom plate arranged on the support plate, two triangular supports arranged on the bottom plate along the length direction of the bottom plate and a top plate connecting the top portions of the two triangular supports, and the top plate is in concave arc shape.

[0011] Further, a plurality of support bars are arranged at the lower independent space, the plurality of support bars are arranged on the two side walls in the support frame of the main tunnel, and the top of the support bar is connected with the support plate.

[0012] Further, the two sides of the support plate are downwardly curved, and the curved part of the support plate is connected with the support frame of the main tunnel through expansion bolts.

[0013] Further, the bottom of the support plate is further provided with a plurality of support beams along the width direction of the support plate, the plurality of support beams are arranged at intervals along the length direction of the support plate, and the two ends of each support beam are respectively provided with a first groove for the support bar to pass through, and the support bar is connected with the corresponding support beam through expansion bolts after passing through the first groove.

[0014] Further, the curved part of the support plate is further provided with a second groove in communication with the first groove, and the support bar can also pass through the second groove.

[0015] The beneficial effects of the utility model are embodied in that:

[0016] The long single-track railway tunnel air warehouse structure of the utility model has different sizes of side plates to meet different air requirements of the two ends of the air warehouse, and avoids air stealing in the ventilation process, thereby ensuring the ventilation effect. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structure schematic diagram of the long single-track railway tunnel air warehouse structure of the utility model in use state;

[0018] Figure 2 is a structure schematic diagram of the long single-track railway tunnel air warehouse structure of the utility model in use state;

[0019] Figure 3 is a structure schematic diagram of the long single-track railway tunnel air warehouse structure of the utility model in use state;

[0020] Figure 4 is a structure schematic diagram of the long single-track railway tunnel air warehouse structure of the utility model in use state.

[0021] The marks of the components in the drawings are as follows: 1, support frame of main tunnel; 2, support frame of inclined shaft; 3, support plate; 301, second groove; 4, coaming; 5, side plate; 501, first air port; 502, second air port; 6, support bar; 7, support beam; 701, first groove; 8, air pipe; 9, support frame; 901, bottom plate; 902, triangular support; 903, top plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. In the case of no conflict, the embodiments in the application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Referring to Figure 1 , 2 .

[0024] The utility model discloses a special long single line railway tunnel wind bin structure relates to the vertical hole support frame 1 and the inclined shaft support frame 2 that the vertical hole support frame 1 is linked, including support plate 3, apron 4 and two side plates 5.

[0025] Support plate 3 is set in the vertical hole support frame 1 along the length direction of the vertical hole support frame 1, and the vertical hole support frame 1 is separated into two independent spaces, the apron 4 is located in the upper independent space and is attached to the inner top wall of the vertical hole support frame 1, and the apron 4 and the support plate 3 form an air duct, two side plates 5 are respectively arranged on both sides of the support plate 3 and seal the air duct, and first air ports 501 of different sizes are respectively arranged on two side plates 5, and second air ports 502 are arranged on the apron 4 corresponding to the position of the inclined shaft support frame 2. In this way, by arranging different sizes of the side plate 5, the different air requirements of the two ends of the wind bin are met, and the air stealing problem is avoided during the ventilation process, and the ventilation effect is ensured.

[0026] In an embodiment, referring to Figure 1 It also includes two fans arranged at the positions of the two first air ports 501. In this way, by increasing the fan, the gas flow rate is accelerated and the ventilation efficiency is improved. Specifically, the fans corresponding to the two first air ports 501 have different powers, and the first air port 501 with a larger size adopts a fan with a larger power.

[0027] In an embodiment, referring to Figure 2 It also includes two air pipes 8 arranged at the two first air ports 501 and two support frames 9 arranged on the support plate 3, and the two support frames 9 are respectively used for supporting the two air pipes 8. In this way, the air pipes 8 ensure that the air in the air duct is blown to the construction working face, and the support frames 9 ensure the stability of the air pipes 8.

[0028] In an embodiment, referring to Figure 4The support frame 9 includes a base plate 901 mounted on the support plate 3, two triangular brackets 902 mounted on the base plate 901 along its length, and a top plate 903 connecting the tops of the two triangular brackets 902. The top plate 903 is concave. This design achieves support by having the concave surface of the top plate 903 fit against the bottom surface of the duct 8, and the entire support frame 9 has a simple structure and is easy to install.

[0029] In one embodiment, see Figure 1 It also includes multiple support bars 6 installed in the lower independent space. The multiple support bars 6 are distributed and attached to the two side walls inside the main tunnel support frame 1, and the top of the support bars 6 is connected to the support plate 3. This design ensures the stability of the support plate 3 by supporting the support bars 6.

[0030] In one embodiment, see Figure 3 The support plate 3 has downward-curved sides, and the corresponding curved parts of the support plate 3 are connected to the main tunnel support frame 1 by expansion bolts. This design ensures the stability and tightness of the connection between the support plate 3 and the main tunnel support frame 1, and ensures the airtightness of the connection between the ventilation chamber and the main tunnel support frame 1. If necessary, foam filling or other methods can be used to fill the gaps and reduce air leakage.

[0031] In one embodiment, see Figure 3 The bottom of the support plate 3 is also provided with a plurality of support beams 7 along its width direction. The plurality of support beams 7 are spaced apart along the length direction of the support plate 3, and each support beam 7 has a first groove 701 at both ends for the support strip 6 to pass through. After the support strip 6 passes through the first groove 701, it is connected to the corresponding support beam 7 by expansion bolts. This design enhances the support stability of the support plate 3 through the support beams 7, and the first grooves 701 facilitate the connection operation between the support strip 6 and the support plate 3.

[0032] In one embodiment, see Figure 3 The corresponding curved portion of the support plate 3 is also provided with a second groove 301 that communicates with the first groove 701, and the support strip 6 can also pass through the second groove 301. This design increases the overlapping portion of the connection between the support strip 6 and the support plate 3, thereby enhancing the stability of the connection between the support strip 6 and the support plate 3.

[0033] It should be noted that if the embodiments of this utility model involve directional indicators such as up, down, left, right, front, back, etc., the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture as shown in the attached figure. If the specific posture changes, the directional indicators will also change accordingly.

[0034] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "and / or B" includes solution B, or solution B, or solutions that simultaneously satisfy B. Furthermore, "multiple" refers to two or more. Moreover, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0035] It should be understood that the examples and embodiments described herein are for illustrative purposes only and are not intended to limit the present invention. Those skilled in the art can make various modifications or changes based on them. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A ventilation structure for an extra-long single-track railway tunnel, comprising a main tunnel support frame (1) and an inclined shaft support frame (2) connected to the main tunnel support frame (1), characterized in that, It includes a support plate (3), a surrounding plate (4), and two side plates (5); The support plate (3) is arranged inside the main tunnel support frame (1) along the length direction of the main tunnel support frame (1) and divides the main tunnel support frame (1) into two independent spaces, upper and lower. The enclosure plate (4) is arranged in the upper independent space and attached to the inner top wall of the main tunnel support frame (1). The enclosure plate (4) and the support plate (3) enclose each other to form an air duct. The two side plates (5) are respectively arranged on both sides of the support plate (3) and seal the air duct. The two side plates (5) are respectively provided with first air vents (501) of different sizes. The enclosure plate (4) is provided with a second air vent (502) at the position corresponding to the inclined shaft support frame (2).

2. The ventilation structure for an extra-long single-track railway tunnel according to claim 1, characterized in that, It also includes two fans respectively located at the two first air inlets (501).

3. The ventilation structure for an extra-long single-track railway tunnel according to claim 2, characterized in that, It also includes two air ducts (8) respectively set at the two first air outlets (501) and two support frames (9) respectively set on the support plate (3), and the two support frames (9) are respectively used to support the two air ducts (8).

4. The ventilation structure for an extra-long single-track railway tunnel according to claim 3, characterized in that, The support frame (9) includes a base plate (901) disposed on the support plate (3), two triangular brackets (902) disposed on the base plate (901) along the length direction of the base plate (901), and a top plate (903) connecting the tops of the two triangular brackets (902), and the top plate (903) is concave arc-shaped.

5. The ventilation structure for an extra-long single-track railway tunnel according to any one of claims 1-4, characterized in that, It also includes multiple support bars (6) set in the lower independent space. The multiple support bars (6) are distributed and attached to the two side walls inside the main tunnel support frame (1), and the top of the support bar (6) is connected to the support plate (3).

6. The ventilation structure for an extra-long single-track railway tunnel according to claim 5, characterized in that, The two sides of the support plate (3) are bent downwards, and the corresponding bent parts of the support plate (3) are connected to the main tunnel support frame (1) by expansion bolts.

7. The ventilation structure for an extra-long single-track railway tunnel according to claim 6, characterized in that, The bottom of the support plate (3) is provided with a plurality of support beams (7) along its width direction. The plurality of support beams (7) are spaced apart along the length direction of the support plate (3), and each of the support beams (7) has a first groove (701) at both ends for the support bar (6) to pass through. After the support bar (6) passes through the first groove (701), it is connected to the corresponding support beam (7) by expansion bolts.

8. The ventilation structure for an extra-long single-track railway tunnel according to claim 7, characterized in that, The corresponding curved portion of the support plate (3) is also provided with a second groove (301) that communicates with the first groove (701), and the support strip (6) can also be inserted into the second groove (301).

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