Unconsolidated formation tunnel secondary lining construction equipment

By designing a highly adaptable tunnel support plate and support rod system, the problem of difficult installation of power equipment in loose strata tunnels was solved, achieving a fast and safe construction effect.

CN223398689UActive Publication Date: 2025-09-30ZHEJIANG BENTENG TRAFFIC ENG CO LTD
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Patent Information

Application Number
CN202423131563.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-09-30
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

In the prior art, it is difficult to install power supply equipment in a tunnel with loose strata, and it is impossible to quickly and safely adapt to different tunnel internal conditions for construction.

Method used

A construction equipment including tunnel support plates, a movable vehicle, support rods, wire guides and grouting holes was designed. The support plates can be assembled to adapt to the tunnel size, the support rods are moved through chutes and sliders, the wire guides facilitate the passage of wires, and the grouting holes are used to reinforce the tunnel wall.

Benefits of technology

It enables the rapid and safe installation of powered equipment in loose ground tunnels, adapts to different tunnel internal conditions, and ensures smooth and safe construction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses unconsolidated formation tunnel secondary lining construction equipment which comprises a plurality of tunnel supporting plates arranged on the inner side face of a tunnel, and gaps are reserved between the tunnel supporting plates. The movable vehicle is arranged below the plurality of surrounding tunnel supporting plates; the supporting rods are arranged on the movable vehicle, one ends of the supporting rods are connected with the movable vehicle, the other ends of the supporting rods are connected with the inner side faces of the tunnel supporting plates in a sliding mode, the supporting rods correspond to the tunnel supporting plates on the same plane in a one-to-one mode, and the supporting rods are perpendicular to the tunnel supporting plates making contact with the supporting rods; the threading channel is arranged on the outer side face of the tunnel supporting plate, and the threading channel is fixedly connected with the outer side face of the tunnel supporting plate; the grouting holes are evenly distributed in the tunnel supporting plate. The utility model has the beneficial effects that power-on equipment is convenient to install, different internal conditions of the tunnel can be adapted, and the purpose of rapid and safe construction is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field related to tunnel construction equipment, in particular to secondary lining construction equipment for loose stratum tunnels. Background Art

[0002] Implementing secondary lining construction in loose-ground tunnels, creating a composite lining with the primary support, is a promising method for ensuring tunnel reinforcement and support. To this end, secondary lining construction is essential for loose-ground tunnels. During this period, the installation of communication, lighting, and monitoring facilities is crucial. It also requires adaptability to varying tunnel conditions and the ability to conduct construction quickly and safely. Utility Model Content

[0003] The utility model is intended to overcome the shortcomings of the prior art in that the power supply equipment is difficult to install and cannot adapt to different internal conditions of the tunnel for fast and safe construction. It provides a secondary lining construction equipment for loose stratum tunnels that is easy to install the power supply equipment, can adapt to different internal conditions of the tunnel and can be quickly and safely constructed.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A secondary lining construction equipment for a loose stratum tunnel, comprising:

[0006] A plurality of tunnel support plates are placed on the inner side of the tunnel, with gaps left between the tunnel support plates;

[0007] The mobile vehicle is placed under several surrounding tunnel support plates;

[0008] A plurality of support rods are placed on the movable vehicle, one end of each support rod is connected to the movable vehicle, and the other end of each support rod is slidably connected to the inner side surface of the tunnel support plate. Each support rod corresponds to each tunnel support plate on the same plane, and each support rod is perpendicular to the tunnel support plate in contact with each other;

[0009] A wire threading channel is placed on the outer side of the tunnel support plate, and the wire threading channel is fixedly connected to the outer side of the tunnel support plate;

[0010] Several grouting holes are evenly distributed on the tunnel support plate.

[0011] When in use, first use several tunnel support plates to stick to the opened tunnel wall, and then let the mobile vehicle with support rods support each tunnel support plate, and the mobile vehicle and tunnel support plates can be moved according to the construction progress. Because the tunnel support plates are pieced together in multiple pieces, they can adapt to different tunnel sizes. The wires can pass through the wire guides to reach the parts where electrical appliances are needed. In this way, there is no need to worry about power outages or the internal space of the tunnel. Then, in order to reinforce the tunnel wall, the tunnel wall can be reinforced through grouting holes in different positions to prevent the loose stratum from being unstable. Wherever it is unstable, it is reinforced, so as to achieve the purpose of facilitating the installation of powered equipment, adapting to different internal conditions of the tunnel, and fast and safe construction.

[0012] Preferably, a slide is provided on the inner side of the tunnel support plate, the slide is fixedly connected to the inner side of the tunnel support plate, a slide groove is provided on the inner side of the slide, the cross-section of the slide groove is T-shaped, and the positions of the slide grooves on the front and rear tunnel support blocks correspond, a slider is provided on one end of the support rod, the slider is fixedly connected to the support rod, the shape of the slider corresponds to the shape of the slide groove, the slider is placed in the slide groove, and the support rod is engaged with the slide through the cooperation of the slider and the slide groove. The slide can make the position of the support rod move more smoothly, and the slide groove and the clamping block facilitate fixing the position.

[0013] Preferably, the tunnel support plate located above is in an arc shape. The shape of the tunnel support plate is adapted to the shape of the interior of the tunnel.

[0014] Preferably, the cross-section of the threading channel is triangular, so that the threading channel can be easily embedded in loose strata.

[0015] Preferably, the tunnel support plate is provided with a plurality of columnar barrels, each corresponding to a grouting hole. The grouting hole passes through the columnar barrels. The columnar barrels are conical in shape and fixedly connected to the outer side of the tunnel support plate. The shape of the columnar barrels facilitates fixation into loose strata and also increases the stability of the tunnel support plate.

[0016] Preferably, a plug is provided in the grouting hole, the outer side of the plug being in contact with the inner side of the grouting hole. The plug facilitates the downward flow of excess slurry after grouting and also prevents moisture in the tunnel from entering the loose stratum.

[0017] Preferably, a threaded hole is provided on the lower end surface of the plug, which facilitates installation and removal of the plug.

[0018] Preferably, the tunnel support plate is provided with an inspection hole, which is connected to the interior of the wire passage. The inspection hole facilitates extending the wires into the tunnel to connect to electrical appliances and facilitates inspection of the wires in the wire passage.

[0019] The beneficial effects of the present invention are: it is convenient to install powered equipment, can adapt to different conditions inside the tunnel and achieve the purpose of fast and safe construction; the slide can make the position of the support rod move more smoothly, and the slide groove and the block are convenient for fixing the position; the shape of the tunnel support plate is adapted to the shape of the interior of the tunnel; the shape of the wire threading channel is convenient for embedding into loose strata; the shape of the column is convenient for fixing into loose strata, and can also increase the stability of the tunnel support plate; the plug is convenient for excess slurry to flow downward after grouting, and can also prevent water vapor in the tunnel from entering the loose stratum; the threaded hole is convenient for installing and removing the plug; the inspection hole is convenient for extending the wires into the tunnel to connect electrical appliances, and is also convenient for inspecting the wires in the wire threading channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of the utility model;

[0021] Figure 2 It is the main view of the utility model;

[0022] Figure 3 yes Figure 2 AA cross-section diagram;

[0023] Figure 4 yes Figure 3 An enlarged view of detail B;

[0024] Figure 5 yes Figure 3 Magnified view of detail C.

[0025] Figure: 1. Tunnel support plate, 2. Trolley, 3. Support rod, 4. Threading channel, 5. Grouting hole, 6. Slideway, 7. Chute, 8. Slider, 9. Column, 10. Plug, 11. Inspection hole, 12. Threaded hole. DETAILED DESCRIPTION

[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0027] like Figure 1 、 Figure 2 、 Figure 3 and Figure 5 In an embodiment of the present invention, a secondary lining construction device for a loose stratum tunnel is provided, comprising:

[0028] Several tunnel support plates 1 are placed on the inner side of the tunnel, with gaps left between the tunnel support plates 1;

[0029] The movable vehicle 2 is placed under the surrounding tunnel support plates 1;

[0030] A plurality of support rods 3 are placed on the movable vehicle 2, one end of the support rod 3 is connected to the movable vehicle 2, and the other end of the support rod 3 is slidably connected to the inner side of the tunnel support plate 1. The support rods 3 correspond one-to-one with the tunnel support plates 1 on the same plane, and the support rods 3 are perpendicular to the tunnel support plates 1 in contact;

[0031] The wire guide 4 is placed on the outer side of the tunnel support plate 1 and is fixedly connected to the outer side of the tunnel support plate 1;

[0032] Several grouting holes 5 are evenly distributed on the tunnel support plate 1 .

[0033] like Figure 1 、 Figure 3 and Figure 4 As shown, a slide 6 is provided on the inner side surface of the tunnel support plate 1, and the slide 6 is fixedly connected to the inner side surface of the tunnel support plate 1. A slide groove 7 is provided on the inner side surface of the slide 6. The cross-sectional shape of the slide groove 7 is T-shaped, and the positions of the slide grooves 7 on the front and rear tunnel support blocks correspond. A slider 8 is provided on one end of the support rod 3, and the slider 8 is fixedly connected to the support rod 3. The shape of the slider 8 corresponds to the shape of the slide groove 7. The slider 8 is placed in the slide groove 7, and the support rod 3 is clamped with the slide 6 through the cooperation of the slider 8 and the slide groove 7.

[0034] like Figure 1 and Figure 3 As shown, the tunnel support plate 1 located above is in an arc shape.

[0035] like Figure 1 and Figure 3 As shown, the cross-section of the threading channel 4 is triangular.

[0036] like Figure 1 、 Figure 2 and Figure 5 As shown, a plurality of columnar cylinders 9 are provided on the tunnel support plate 1 , and the columnar cylinders 9 correspond to the grouting holes 5 one by one. The grouting holes 5 pass through the columnar cylinders 9 . The columnar cylinders 9 are conical in shape and are fixedly connected to the outer side surface of the tunnel support plate 1 .

[0037] like Figure 3 and Figure 5 As shown, a plug 10 is provided in the grouting hole 5 , and the outer side surface of the plug 10 contacts the inner side surface of the grouting hole 5 .

[0038] like Figure 5 As shown, a threaded hole 12 is provided on the lower end surface of the plug 10 .

[0039] like Figure 4 As shown, an inspection hole 11 is provided on the tunnel support plate 1 , and the inspection hole 11 is connected to the interior of the wire threading channel 4 .

[0040] When in use, first place several tunnel support plates 1 against the opened tunnel wall, then let the movable vehicle 2 with the slider 8 on the support rod 3 be stuck into the slide groove 7 in the slideway 6 to support each tunnel support plate 1, and the movable vehicle 2 and the tunnel support plate 1 can be moved according to the construction progress. Because the tunnel support plate 1 is made of multiple pieces pieced together, and there are also curved tunnel support plates 1, they can adapt to different tunnel sizes. The wire threading channel 4 is still triangular inward, so that the wires can pass through the wire threading channel 4 and out from the inspection hole 11 to reach the part where the electrical appliances are needed, and the internal shape of the tunnel support plate 1 is not affected. Influence, it is more tightly connected with the loose stratum, so there is no need to worry about power outages, nor the internal space of the tunnel. Then, in order to reinforce the tunnel wall, the column 9 corresponding to the grouting hole 5 is also conical, which can increase the stability of the tunnel support plate 1. The tunnel wall is grouted and reinforced through the grouting holes 5 at different positions to prevent the loose stratum from being unstable. Wherever it is unstable, it is reinforced. Then, a plug 10 is fixed on the grouting hole 5 to prevent leakage. When you want to remove the plug 10, you can also use a screwdriver to align it with the threaded hole 12 to remove it, which achieves the purpose of facilitating the installation of powered equipment, adapting to different internal conditions of the tunnel, and fast and safe construction.

Claims

1. A secondary lining construction equipment for a loose stratum tunnel, comprising: A plurality of tunnel support plates (1) are placed on the inner side of the tunnel, with gaps being left between the tunnel support plates (1); A movable vehicle (2) is placed under a plurality of surrounding tunnel support plates (1); A plurality of support rods (3) are placed on the movable vehicle (2), one end of the support rod (3) is connected to the movable vehicle (2), and the other end of the support rod (3) is slidably connected to the inner side surface of the tunnel support plate (1), the support rods (3) correspond one-to-one with the tunnel support plates (1) on the same plane, and the support rods (3) are perpendicular to the tunnel support plates (1) in contact with them; A threading channel (4) is placed on the outer side of the tunnel support plate (1), and the threading channel (4) is fixedly connected to the outer side of the tunnel support plate (1); Several grouting holes (5) are evenly distributed on the tunnel support plate (1).

2. The secondary lining construction equipment for loose stratum tunnels according to claim 1 is characterized in that: A slideway (6) is provided on the inner side surface of the tunnel support plate (1), and the slideway (6) is fixedly connected to the inner side surface of the tunnel support plate (1). A slide groove (7) is provided on the inner side surface of the slideway (6), and the cross-sectional shape of the slide groove (7) is T-shaped. The positions of the slide grooves (7) on the front and rear tunnel support blocks correspond to each other. A slider (8) is provided on one end of the support rod (3), and the slider (8) is fixedly connected to the support rod (3). The shape of the slider (8) corresponds to the shape of the slide groove (7). The slider (8) is placed in the slide groove (7), and the support rod (3) is clamped with the slideway (6) through the cooperation of the slider (8) and the slide groove (7).

3. The secondary lining construction equipment for loose stratum tunnel according to claim 2 is characterized in that: The tunnel support plate (1) located above is in an arc shape.

4. The secondary lining construction equipment for loose stratum tunnels according to claim 1 is characterized in that: The cross-section of the threading channel (4) is triangular.

5. The secondary lining construction equipment for loose stratum tunnel according to claim 1 is characterized in that: A plurality of columnar barrels (9) are provided on the tunnel support plate (1), the columnar barrels (9) correspond one-to-one to the grouting holes (5), the grouting holes (5) pass through the columnar barrels (9), the columnar barrels (9) are conical in shape, and the columnar barrels (9) are fixedly connected to the outer side surface of the tunnel support plate (1).

6. The secondary lining construction equipment for loose stratum tunnels according to claim 5 is characterized in that: A plug (10) is provided in the grouting hole (5), and the outer side surface of the plug (10) is in contact with the inner side surface of the grouting hole (5).

7. The secondary lining construction equipment for loose stratum tunnels according to claim 6 is characterized in that: A threaded hole (12) is provided on the lower end surface of the plug (10).

8. The secondary lining construction equipment for loose stratum tunnels according to claim 1 is characterized in that: An inspection hole (11) is provided on the tunnel support plate (1), and the inspection hole (11) is connected to the interior of the wire threading channel (4).