Mine tunnel enclosure device

Abstract

The utility model discloses a mine tunnel enclosure device which comprises an arch-shaped structure and a bottom arc-shaped supporting structure, the arch-shaped structure comprises a first annular reinforcing steel bar and a first longitudinal reinforcing steel bar, and the first annular reinforcing steel bar and the first longitudinal reinforcing steel bar are tightened through a first annular stirrup. The bottom arc-shaped supporting structure comprises second annular steel bars and second longitudinal steel bars, the second annular steel bars and the second longitudinal steel bars are tightened through second annular stirrups, a gravel soil backfill layer is arranged on the upper portion of the bottom arc-shaped supporting structure, and a ground layer is arranged on the upper portion of the gravel soil backfill layer. The upper supporting mechanism comprises a cross beam, a middle supporting rod is arranged on the cross beam, and the two sides of the middle supporting rod are each provided with a set of side supporting rods.

Description

Technical Field

[0001] The utility model relates to the field of tunnel construction, in particular to a mine tunnel enclosure device. Background Art

[0002] Mining tunnel construction, also known as "mining tunnel construction", is a method of building tunnels in rock formations. During construction, excavation is carried out first, drilling and blasting in the rock formation within the tunnel range, and the entire section is excavated into a rough hole of the designed size at one time or in parts; after a certain safe distance, lining construction will follow. Mining tunnel construction requires construction and maintenance, and maintenance and construction require comprehensive consideration of geographical and hydrological conditions. Utility Model Content

[0003] Purpose of the utility model: The technical problem to be solved by the utility model is to provide a mine tunnel enclosure device in view of the deficiencies in the prior art.

[0004] In order to solve the above technical problems, the utility model discloses a mine tunnel enclosure device, including an arch structure and a bottom arc support structure, the arch structure includes a first annular steel bar and a first longitudinal steel bar, the first annular steel bar and the first longitudinal steel bar are fastened by a first annular hoop, the bottom arc support structure includes a second annular steel bar and a second longitudinal steel bar, the second annular steel bar and the second longitudinal steel bar are fastened by a second annular hoop, a crushed stone backfill layer is provided on the top of the bottom arc support structure, a ground layer is provided on the top of the crushed stone backfill layer, an upper support structure is provided on the top of the arch structure, the upper support mechanism includes a crossbeam, a middle support rod is provided on the crossbeam, and a group of side support rods are provided on both sides of the middle support rod.

[0005] In the utility model, a water ditch is arranged on one side of the backfill soil layer.

[0006] In the utility model, the arch structure is a concrete structure.

[0007] In the utility model, the arc-shaped supporting structure at the bottom of the arched structure is a concrete structure.

[0008] In the utility model, the side support rod comprises a first side rod, a second side rod and a third side rod which are connected in sequence.

[0009] Beneficial effects: The utility model adopts reinforced concrete arch structure enclosure, the overall structural strength is large, and the supporting effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods, and the above and / or other advantages of the present invention will become more clear.

[0011] Figure 1 It is a schematic diagram of the overall structure.

[0012] Reference numerals in the figure: 1, arch structure, 2, bottom arc-shaped supporting structure, 3, first annular reinforcement, 4, first longitudinal reinforcement, 5, first annular stirrups, 6, second annular reinforcement, 7, second longitudinal reinforcement, 8, second annular stirrups, 9, gravel soil backfill layer, 10, ground layer, 11, crossbeam, 12, middle support rod, 13, ditch, 14, first side rod, 15, second side rod, 16, third side rod. DETAILED DESCRIPTION

[0013] Example:

[0014] like Figure 1 The present embodiment provides a mine tunnel enclosure device, comprising an arch structure 1 and a bottom arc support structure 2, wherein the arch structure comprises a first annular steel bar 3 and a first longitudinal steel bar 4, the first annular steel bar and the first longitudinal steel bar are fastened by a first annular hoop 5, the bottom arc support structure comprises a second annular steel bar 6 and a second longitudinal steel bar 7, the second annular steel bar and the second longitudinal steel bar are fastened by a second annular hoop 8, a crushed stone backfill layer 9 is provided on the top of the bottom arc support structure, a ground layer 10 is provided on the top of the crushed stone backfill layer, an upper support structure is provided on the top of the arch structure, the upper support mechanism comprises a cross beam 11, a middle support rod 12 is provided on the cross beam, and a group of side support rods are provided on both sides of the middle support rod. A ditch 13 is provided on one side of the backfill soil layer. The arch structure is a concrete structure. The bottom arc support structure of the arch structure is a concrete structure. The side support rods comprise a first side rod 14, a second side rod 15 and a third side rod 16 connected in sequence.

[0015] In this embodiment, the arch structure 1 and the bottom arc-shaped supporting structure 2 are both made of reinforced concrete structures to improve strength. In addition, an upper supporting structure is added at the top to prevent excessive pressure on the top. The inclined measuring rods connected at the end are used to share the pressure on the top of the arch structure 1 to maintain structural stability.

[0016] The utility model provides a concept and method for a mine tunnel enclosure device. There are many methods and ways to implement the technical solution. The above is only the preferred implementation of the utility model. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model. These improvements and modifications should also be regarded as the protection scope of the utility model. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A mine tunnel enclosure device, characterized in that: The invention comprises an arch structure (1) and a bottom arc-shaped support structure (2), wherein the arch structure comprises a first annular steel bar (3) and a first longitudinal steel bar (4), wherein the first annular steel bar and the first longitudinal steel bar are fastened by a first annular hoop (5), the bottom arc-shaped support structure comprises a second annular steel bar (6) and a second longitudinal steel bar (7), wherein the second annular steel bar and the second longitudinal steel bar are fastened by a second annular hoop (8), a crushed stone backfill layer (9) is arranged on the top of the bottom arc-shaped support structure, a ground layer (10) is arranged on the top of the crushed stone backfill layer, an upper support structure is arranged on the top of the arch structure, and the upper support mechanism comprises a crossbeam (11), a middle support rod (12) is arranged on the crossbeam, and a group of side support rods are arranged on both sides of the middle support rod.

2. A mine tunnel enclosure device according to claim 1, characterized in that: A water ditch (13) is provided on one side of the backfill soil layer.

3. A mine tunnel enclosure device according to claim 1, characterized in that: The arched structure is concrete.

4. A mine tunnel enclosure device according to claim 1, characterized in that: The arc-shaped supporting structure at the bottom of the arch structure is a concrete structure.

5. A mine tunnel enclosure device according to claim 1, characterized in that: The side support rod comprises a first side rod (14), a second side rod (15) and a third side rod (16) which are connected in sequence.

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