Mining air bag structure for replacing and filling reserved roadway

Abstract

The mining air bag structure comprises a main air bag and an auxiliary air bag, the main air bag is of a rectangular structure, protruding parts are arranged at the four corners of the main air bag, a bottom air cavity is formed in the position, close to the bottom of the main air bag, in the main air bag, and an upper air cavity is formed in the position, located on the upper portion of the bottom air cavity, in the main air bag. A fixing table is fixedly connected to the portion, located between the bottom air cavity and the upper air cavity, of the outer portion of the main air bag, the portions, communicated with the bottom air cavity and the upper air cavity, of the main air bag are each fixedly connected with a set of high-pressure inflation valves A, the multiple sets of auxiliary air bags are arranged, and each set of auxiliary air bags is fixedly connected with a set of high-pressure inflation valves B; the auxiliary air bags can be distributed on the two sides and the top side of the main air bag. The utility model relates to the technical field of mining airbags, which has the characteristics of good stability and excellent sealing.

Description

Technical Field

[0001] The utility model relates to the technical field of mine airbags, in particular to a mine airbag structure for replacing and filling reserved roadways. Background Art

[0002] During the mining process of mine roadways, a large number of empty roadways will gradually form. If not properly filled and sealed, the roadways will deform and collapse due to ground pressure or rock strata movement. These problems will not only affect the stability of the mine structure, but also pose a safety threat to the operating personnel. In the prior art, airbag filling can be used to support the roadway structure and achieve the filling effect by inflating, so as to avoid the risk of roadway collapse due to insufficient support. Moreover, harmful gases such as methane and carbon dioxide are often contained in mine roadways. If these gases accumulate in the roadways or diffuse to the working area, accidents such as methane explosion and poisoning may occur. By using airbag filling in the roadways, the flow of harmful gases can be effectively blocked and restricted to specific areas of the roadways to prevent their diffusion to other areas of the mine, improving the air quality of the mine and the safety of the working environment.

[0003] However, in the prior art, airbags usually adopt a single rectangular structure or cylindrical structure. The cylindrical structure cannot effectively fill the rectangular roadway, so rectangular airbags are required. However, after the existing rectangular airbags are filled, gaps are left at the four corners of the roadway, resulting in an unsatisfactory sealing effect. In addition, the airbags cannot be effectively fixed, are prone to displacement, and are at risk of air leakage and poor sealing. Moreover, after the existing airbags are filled, gaps may occur in some areas due to the unevenness of the roadway, thus affecting the sealing effect. Summary of the Utility Model

[0004] Aiming at the above deficiencies existing in the prior art, the purpose of the utility model is to provide a mine airbag structure with good stability and excellent sealing.

[0005] The technical solution adopted by the utility model to achieve the above purpose is: a mine airbag structure for replacing and filling reserved roadways, including a main airbag and auxiliary airbags. The main airbag adopts a rectangular structure, and convex portions are provided at the four corner positions of the main airbag. A bottom air chamber is provided near the bottom of the main airbag, and an upper air chamber is provided above the bottom air chamber in the main airbag. A fixing platform is fixedly connected between the bottom air chamber and the upper air chamber on the outside of the main airbag. A group of high-pressure inflation valves A are fixedly connected to the main airbag and communicated with the bottom air chamber and the upper air chamber.

[0006] There are multiple groups of auxiliary airbags, and a group of high-pressure inflation valves B are fixedly connected to each group of auxiliary airbags. Multiple groups of auxiliary airbags can be distributed on both sides and the top side of the main airbag.

[0007] In the above technical solution, a plurality of insertion slots are provided on both sides and the top side of the main airbag;

[0008] The auxiliary airbag includes a filling portion and an insertion portion. After the main airbag and the auxiliary airbag are inflated, the insertion portion can be inserted into the insertion slot.

[0009] In the above technical solution, the insertion slot adopts a T-shaped structure, and the insertion portion also matches and adopts a T-shaped structure.

[0010] In the above technical solution, the filling portion, the protruding portion, and the bottom of the main airbag all adopt an arc structure, and a plurality of rubber particles are provided on the filling portion, the protruding portion, and the bottom of the main airbag.

[0011] In the above technical solution, a plurality of friction particles are provided on the outer wall of the insertion portion.

[0012] In the above technical solution, pressure sensors are fixedly connected to the main airbag corresponding to the bottom air chamber and the upper air chamber. The pressure sensors are signal-connected to a control board with a single-chip microcomputer as the core, and the single-chip microcomputer is signal-connected to an alarm.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] 1. Gas can be first filled into the bottom air chamber of the main airbag to cause the bottom air chamber to expand. Then, the bottom of the main airbag can be pressed against the ground through the anchor rod and the fixing piece, and the bottom of the main airbag is in close contact with the ground. Such a structure can fix the main airbag on the ground, ensure the stability of the main airbag, and avoid displacement;

[0015] 2. Protruding portions are provided at the four corner positions of the main airbag. Through the protruding portions, the four corner positions of the roadway can be filled more fully, improving the sealing effect of the roadway;

[0016] 3. An auxiliary airbag is also provided. After the main airbag is inflated to a certain extent, the auxiliary airbag can be connected through an insertion structure. This modular design can flexibly adjust the number and position of the auxiliary airbags according to the on-site requirements, so as to adapt to different roadway sizes and sealing requirements, and ensure excellent sealing effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the present utility model;

[0018] Figure 2 is a schematic structural diagram of the main airbag in the present utility model;

[0019] Figure 3 is a schematic diagram of the internal structure of the main airbag in the present utility model;

[0020] Figure 4 This is a schematic structural diagram of the secondary airbag in the present utility model.

[0021] In the figure: 100 main airbag, 101 protruding part, 102 bottom air chamber, 103 upper air chamber, 104 fixing platform, 105 high-pressure inflation valve A, 106 insertion slot, 200 secondary airbag, 201 high-pressure inflation valve B, 202 filling part, 203 insertion part, 300 friction particles, 400 rubber particles, 500 air pressure sensor, 600 alarm. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figure 1 —4, a mine airbag structure for replacing and filling a reserved roadway, including a main airbag 100 and a secondary airbag 200. Here, the main airbag 100 adopts a rectangular structure, and protruding parts 101 are provided at the four corners of the main airbag 100. Through the setting of the protruding parts 101, the contact area between the main airbag 100 and the four corners of the roadway is increased, thereby improving the sealing effect of the airbag on the roadway;

[0024] Furthermore, a bottom air chamber 102 is provided near the bottom of the main airbag 100, an upper air chamber 103 is provided above the bottom air chamber 102 inside the main airbag 100, a fixing platform 104 is fixedly connected between the bottom air chamber 102 and the upper air chamber 103 outside the main airbag 100, and a group of high-pressure inflation valves A105 are fixedly connected to the main airbag 100 and communicated with the bottom air chamber 102 and the upper air chamber 103. In this way, gas can be first filled into the bottom air chamber 102 of the main airbag 100 to make the bottom air chamber 102 expand. Then, the bottom of the main airbag 100 can be pressed against the ground through a bolt combined with a fixing piece, and the bottom of the main airbag 100 is in close contact with the ground. Such a structure can fix the main airbag 100 on the ground, ensure the stability of the main airbag 100, and avoid displacement;

[0025] In addition, multiple sets of secondary airbags 200 are provided, and a set of high-pressure inflation valves B201 are fixedly connected to each set of secondary airbags 200. The multiple sets of secondary airbags 200 can be distributed on both sides and the top side of the main airbag 100. Specifically, when the main airbag 100 fills the inside of the roadway, if there are gaps between the main airbag 100 and the inner wall of the roadway due to unevenness inside the roadway, a set of secondary airbags 200 can be inserted between the main airbag 100 and the inner wall of the roadway, and the gaps can be filled by filling the secondary airbags 200 with gas and making them collide;

[0026] Furthermore, multiple sets of insertion slots 106 are provided on both sides and the top side of the main airbag 100. The secondary airbag 200 includes a filling portion 202 and an insertion portion 203. After the main airbag 100 and the secondary airbag 200 are inflated, the insertion portion 203 can be inserted into the insertion slot 106. In the embodiment, the insertion slot 106 adopts a T-shaped structure, and the insertion portion 203 also adopts a matching T-shaped structure. In this way, the connection between the main airbag 100 and the secondary airbag 200 can be ensured through the insertion structure, and the displacement of the secondary airbag 200 can be avoided, affecting the sealing effect on the gap;

[0027] Optimally, multiple sets of friction particles 300 are provided on the outer wall of the insertion portion 203 to increase the friction force, thereby enhancing the connection stability between the main airbag 100 and the secondary airbag 200;

[0028] Furthermore, the above-mentioned filling portion 202, protruding portion 101, and the bottom of the main airbag 100 all adopt an arc-shaped structure. Multiple sets of rubber particles 400 are provided on the filling portion 202, protruding portion 101, and the bottom of the main airbag 100. Through the arc-shaped structure, the contact area with the inner wall of the roadway can be increased, improving the sealing effect. And through the rubber particles 400, the friction force between the airbag and the inside of the roadway can be increased, thereby further enhancing the stability of the airbag;

[0029] Furthermore, pressure sensors 500 are fixedly connected to the main airbag 100 corresponding to the bottom air chamber 102 and the upper air chamber 103. The pressure sensors 500 can select pressure sensors of model MPX5700AP. The pressure sensors 500 are signal-connected to a control board with a single-chip microcomputer as the core. Here, the control board with a single-chip microcomputer as the core can select a control board based on STC89C52. The single-chip microcomputer is signal-connected to an alarm 600. In this way, the pressure inside the main airbag 100 can be detected through the pressure sensors 500, and the detected data can be transmitted to the single-chip microcomputer. When the pressure data is lower than the set range, the single-chip microcomputer controls the alarm 600 to alarm, thereby reminding the staff to handle it in time.

[0030] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

[0031] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A mine airbag structure for replacing and filling a reserved roadway, comprising a main airbag (100) and an auxiliary airbag (200), characterized in that: The main airbag (100) adopts a rectangular structure. Convex portions (101) are provided at the four corners of the main airbag (100). A bottom air chamber (102) is provided near the bottom of the main airbag (100). An upper air chamber (103) is provided above the bottom air chamber (102) inside the main airbag (100). A fixed platform (104) is fixedly connected between the bottom air chamber (102) and the upper air chamber (103) on the outside of the main airbag (100). A group of high-pressure inflation valves A (105) are fixedly connected to the main airbag (100) and are in communication with the bottom air chamber (102) and the upper air chamber (103). Multiple groups of secondary airbags (200) are provided. A group of high-pressure inflation valves B (201) are fixedly connected to each group of secondary airbags (200). The multiple groups of secondary airbags (200) can be distributed on both sides and the top side of the main airbag (100).

2. The mine airbag structure for replacing and filling a reserved roadway according to claim 1, wherein: Multiple groups of insertion slots (106) are provided on both sides and the top side of the main airbag (100). The secondary airbag (200) includes a filling portion (202) and an insertion portion (203). After the main airbag (100) and the secondary airbag (200) are inflated, the insertion portion (203) can be inserted into the insertion slot (106).

3. The mine airbag structure for replacing and filling a reserved roadway according to claim 2, characterized in that: The insertion slot (106) adopts a T-shaped structure, and the insertion portion (203) also adopts a matching T-shaped structure.

4. The mine airbag structure for replacing and filling a reserved roadway according to claim 2, characterized in that: The filling portion (202), the convex portion (101), and the bottom of the main airbag (100) all adopt an arc-shaped structure. Multiple groups of rubber particles (400) are provided on the filling portion (202), the convex portion (101), and the bottom of the main airbag (100).

5. The mine airbag structure for replacing and filling a reserved roadway according to claim 3, characterized in that: Multiple groups of friction particles (300) are provided on the outer wall of the insertion portion (203).

6. The mining airbag structure for replacing and filling a reserved tunnel according to claim 2 is characterized in that: Pressure sensors (500) are fixedly connected to the main airbag (100) corresponding to the bottom air chamber (102) and the upper air chamber (103). The pressure sensors (500) are signal-connected to a control board with a single-chip microcomputer as the core. The single-chip microcomputer is signal-connected to an alarm (600).

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