Escape device for tunnel construction

Abstract

The utility model discloses an escape device for tunnel construction, which comprises an inlet end pipeline, a tail end pipeline and a middle pipeline, one side of the inlet end pipeline and one side of the middle pipeline are respectively provided with a mounting groove, the interiors of the mounting grooves are fixedly connected with springs and telescopic rods, and the exteriors of the springs and the telescopic rods are fixedly connected with connecting plates. Arc-shaped grooves are formed in the exteriors of the connecting plates, clamping grooves are formed in the mounting grooves, connecting blocks are fixedly connected to one sides of the middle pipeline and the tail end pipeline, arc-shaped plates are fixedly connected to the exteriors of the connecting blocks, sliding grooves are formed in the exteriors of the inlet end pipeline and the middle pipeline, and sliding plates are slidably connected to the interiors of the sliding grooves. According to the device, the arc-shaped plates are clamped into the clamping grooves, and the springs drive the connecting plates to be clamped, so that rapid assembly of multiple sections of middle pipelines is achieved, an escape space which is large enough and stable is constructed, and when emergency situations such as collapse of a tunnel occur, constructors can rapidly enter the escape device, and life safety is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel construction escape, in particular to an escape device used in tunnel construction. Background Art

[0002] During tunnel construction, due to the complex and changeable geological conditions, there are often safety risks such as collapse and rock instability. Especially during tunnel excavation, changes in local geological structures, fault fracture zones, weak interlayers and other engineering geological conditions, as well as improper or untimely construction preventive measures, may lead to tunnel collapse accidents. Therefore, designing an escape device that can be quickly built, has a large enough space and can effectively avoid danger is of great significance to ensure the life safety of tunnel construction workers.

[0003] Most of the existing tunnel escape devices are fixed or assembled escape capsules, but there are many problems in actual use. First, the fixed escape capsule takes up a lot of space in tunnel construction and is not easy to deploy flexibly. Secondly, although the assembled escape capsule can be assembled in a modular way, in an emergency, due to the long splicing time and the unstable splicing structure, it is easy to be damaged by external force, thus affecting its risk avoidance effect. In addition, the existing escape devices often have limited space and it is difficult to accommodate a large number of construction workers to avoid risks at the same time. Once a tunnel collapses, insufficient escape space may cause casualties. Therefore, in response to the above technical problems, an escape device for tunnel construction is proposed. Utility Model Content

[0004] The utility model aims to provide an escape device for tunnel construction, which realizes rapid assembly by adopting multiple groups of pipes for rapid splicing, inserting arc-shaped plates into slots, and driving connecting plates to engage by springs, thereby constructing a sufficiently large and stable escape space. When an emergency such as tunnel collapse occurs, construction workers can quickly enter the escape device to ensure life safety.

[0005] The utility model is realized by the following technical solutions:

[0006] An escape device for tunnel construction comprises an inlet pipe, a terminal pipe and an intermediate pipe, wherein one side of the inlet pipe and the intermediate pipe is provided with four groups of mounting grooves arranged in an annular manner, a group of mounting grooves located at the top is internally fixedly connected with multiple groups of springs and telescopic rods, the springs and telescopic rods are externally fixedly connected with a connecting plate, the connecting plate is externally provided with an arc groove, the mounting groove is internally provided with a clamping groove, one side of the intermediate pipe and the terminal pipe is fixedly connected with a connecting block, the connecting block is externally fixedly connected with an arc plate, the arc plate, the arc groove and the clamping groove are all arc-shaped structures and match each other, the inlet pipe and the intermediate pipe are externally provided with a slide groove, the slide groove is internally slidably connected with a slide plate, and the slide plate and the connecting plate are fixedly connected.

[0007] Preferably, a sealing plate is fixedly connected to the interior of the terminal pipe.

[0008] Preferably, the inlet end of the inlet pipe is fixedly connected to a safe haven, a safe haven door with an electric switch is installed outside the safe haven, an entrance is opened inside the safe haven, and the entrance is communicated with the inside of the inlet pipe.

[0009] Preferably, the spring and the telescopic rod are arranged in an arc shape, and the spring is sleeved on the outside of the telescopic rod.

[0010] Preferably, when the arc-shaped plate completely slides into the slot, the connecting plate can be ejected by a spring to fit with the connecting block.

[0011] Preferably, the intermediate pipes are in several groups and are spliced ​​with each other.

[0012] Preferably, a support plate is fixedly connected to the outside of the refuge chamber, and the inlet pipe, the terminal pipe and the intermediate pipe are all located on the upper surface of the support plate, and a support foot is fixedly connected to the bottom of the support plate.

[0013] The technical solution of the utility model has at least the following beneficial effects:

[0014] The utility model proposes an escape device for tunnel construction. By aligning an arc plate with an arc groove on a connecting plate, a compression spring is pressed into the installation groove and aligned with the clamping groove. The arc plate can be inserted into the clamping groove by guiding and rotating in the arc groove until the arc plate is separated from the connecting plate. Then, the connecting plate is driven by the spring to abut against the connecting block, so that a plurality of groups of intermediate pipes can be quickly assembled, thereby constructing an escape space that is large enough and stable. When an emergency such as tunnel collapse occurs, construction personnel can quickly enter the escape device to ensure life safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the first partial structure of the utility model;

[0017] Figure 3 for Figure 2 A magnified view of middle;

[0018] Figure 4 for Figure 2 A partial front cross-sectional view of

[0019] Figure 5 for Figure 4 Enlarged view of middle B;

[0020] Figure 6 It is a schematic diagram of the second partial structure of the utility model;

[0021] Figure 7 for Figure 6 Enlarged view of middle C;

[0022] Figure 8 It is a schematic diagram of the third partial structure of the utility model;

[0023] Fig. 9 for Figure 8 Enlarged view of middle D;

[0024] Icons: 1. Inlet pipe; 2. Terminal pipe; 3. Closing plate; 4. Refuge chamber; 5. Refuge door; 6. Entrance; 7. Mounting slot; 8. Spring; 9. Telescopic rod; 10. Connecting plate; 11. Arc slot; 12. Slide slot; 13. Slide plate; 14. Slot; 15. Middle pipe; 16. Arc plate; 17. Support plate; 18. Support foot; 19. Connecting block. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-9The utility model proposes an escape device for tunnel construction, comprising an inlet pipe 1, a terminal pipe 2 and an intermediate pipe 15. Four groups of annularly arranged mounting grooves 7 are provided on one side of the inlet pipe 1 and the intermediate pipe 15. A plurality of groups of springs 8 and telescopic rods 9 are fixedly connected inside a group of mounting grooves 7 at the top. A connecting plate 10 is fixedly connected to the outside of the springs 8 and the telescopic rods 9. An arc groove 11 is provided on the outside of the connecting plate 10. A clamping groove 14 is provided inside the mounting groove 7. A connecting block 19 is fixedly connected to one side of the intermediate pipe 15 and the terminal pipe 2. An arc plate 16 is fixedly connected to the outside of the connecting block 19. The arc plate 16, the arc groove 11 and the clamping groove 14 are all arc structures and match each other. A slide groove 12 is provided on the outside of the inlet pipe 1 and the intermediate pipe 15. A slide plate 13 is slidably connected to the inside of the slide groove 12, and the slide plate 13 is fixedly connected to the connecting plate 10.

[0027] A sealing plate 3 is fixedly connected to the interior of the terminal pipe 2, and the sealing plate 3 can be used to seal the internal space to prevent debris from falling into the internal space and causing injuries to people.

[0028] The inlet end of the inlet pipe 1 is fixedly connected to a refuge chamber 4, a refuge door 5 with an electric switch is installed outside the refuge chamber 4, an entrance 6 is opened inside the refuge chamber 4, and the entrance 6 is connected to the inside of the inlet pipe 1, an oxygen supply device can be set inside the refuge chamber 4 and food can be stacked to facilitate the trapped persons to support the arrival of rescue personnel.

[0029] The spring 8 and the telescopic rod 9 are arranged in an arc shape, and the spring 8 is sleeved on the outside of the telescopic rod 9. The telescopic rod 9 can play a limiting role. When the arc plate 16 completely slides into the slot 14, the connecting plate 10 can be popped out by the spring 8 and fit with the connecting block 19.

[0030] The number of intermediate pipes 15 is several groups and they are spliced ​​with each other. The outside of the refuge chamber 4 is fixedly connected with a support plate 17, and the inlet pipe 1, the terminal pipe 2 and the intermediate pipe 15 are all located on the upper surface of the support plate 17. The bottom of the support plate 17 is fixedly connected with a support leg 18, and the entire device can be supported by the support leg 18 to prevent construction workers from walking in the space and causing shaking and structural damage.

[0031] The working principle of an escape device for tunnel construction based on the embodiment is that before the construction in the tunnel is carried out, the refuge chamber 4 together with the installed inlet pipe 1 can be transported to the construction area, and at this time, a group of intermediate pipes 15 are taken out, and the arc plate 16 on the intermediate pipe 15 is aligned with the arc groove 11 on the connecting plate 10, and the spring 8 is pressed into the installation groove 7, and then the arc plate 16 can be inserted into the groove 14 by aligning the groove 14 and guiding the rotation in the arc groove 11 until the arc plate 16 is separated from the connecting plate 10, and the spring 8 will spring outward. The connecting plate 10 is driven to abut against the connecting block 19, and the connecting block 19 is stuck in the installation groove 7 to prevent it from falling off. In this way, the installation of a group of intermediate pipes 15 can be completed. In this way, the rapid assembly of multiple groups of intermediate pipes 15 can be achieved. When the space is large enough to accommodate all the construction personnel, the terminal pipe 2 is assembled at the end in the same way to achieve closure, thereby constructing a large enough and stable escape space. In the event of an emergency such as tunnel collapse, the construction personnel can quickly enter the escape device to ensure their life safety.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An escape device for tunnel construction, characterized in that: The invention comprises an inlet pipe (1), a terminal pipe (2) and an intermediate pipe (15), wherein one side of each of the inlet pipe (1) and the intermediate pipe (15) is provided with four groups of mounting grooves (7) arranged in an annular manner, wherein a plurality of groups of springs (8) and telescopic rods (9) are fixedly connected to the inside of the top group of mounting grooves (7), wherein the outside of the springs (8) and the telescopic rods (9) is fixedly connected with a connecting plate (10), wherein the outside of the connecting plate (10) is provided with an arc groove (11), and the inside of the mounting groove (7) is provided with a clamping groove (11). 4), one side of the intermediate pipe (15) and the terminal pipe (2) are fixedly connected to a connecting block (19), the outside of the connecting block (19) is fixedly connected to an arc plate (16), the arc plate (16), the arc groove (11) and the clamping groove (14) are all arc structures and match each other, the outside of the inlet pipe (1) and the intermediate pipe (15) are provided with a sliding groove (12), the inside of the sliding groove (12) is slidably connected to a sliding plate (13), and the sliding plate (13) and the connecting plate (10) are fixedly connected.

2. The escape device for tunnel construction according to claim 1, characterized in that: A sealing plate (3) is fixedly connected to the interior of the terminal pipe (2).

3. The escape device for tunnel construction according to claim 1, characterized in that: The inlet end of the inlet pipe (1) is fixedly connected to a safe room (4), a safe room door (5) with an electric switch is installed outside the safe room (4), an entrance (6) is opened inside the safe room (4), and the entrance (6) is connected to the inside of the inlet pipe (1).

4. The escape device for tunnel construction according to claim 1, characterized in that: The spring (8) and the telescopic rod (9) are arranged in an arc shape, and the spring (8) is sleeved on the outside of the telescopic rod (9).

5. The escape device for tunnel construction according to claim 1, characterized in that: When the arc-shaped plate (16) completely slides into the slot (14), the connecting plate (10) can be ejected by the spring (8) to fit the connecting block (19).

6. The escape device for tunnel construction according to claim 1, characterized in that: The intermediate pipes (15) are provided in several groups and are connected to each other.

7. The escape device for tunnel construction according to claim 3, characterized in that: The outside of the refuge chamber (4) is fixedly connected to a support plate (17), and the inlet pipe (1), the terminal pipe (2) and the intermediate pipe (15) are all located on the upper surface of the support plate (17), and the bottom of the support plate (17) is fixedly connected to a support foot (18).

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