Closed cannon-avoiding blindage

Abstract

A sealing door is arranged on the side face of the blindage, a person opens the sealing door to enter the blindage and then closes the sealing door, a closed space can be formed in the blindage, a valve can be operated in the blindage to open an oxygen supply bottle, oxygen is supplied to the inside of the blindage through an oxygen distribution pipe, and the oxygen distribution pipe is of an annular structure. A plurality of holes are evenly distributed in the oxygen distribution pipe, oxygen can be evenly supplied to the inside of the blindage, it is guaranteed that people at all positions can receive the oxygen, a one-way exhaust device from the inside of the blindage to the outside of the blindage is arranged on the blindage, the one-way exhaust device can guarantee that pressure inside and outside the blindage is balanced, and air inside the blindage can circulate to the outside. Therefore, the cannon-avoiding blindage with the sealing and oxygen supply functions can deal with dust or harmful gas generated in open air, underground and tunnel blasting, and the blindage is of a semispherical shell structure and can be beneficial to bearing flying stone impact.

Description

Technical Field

[0001] The utility model belongs to the field of cylinder longitudinal seam assembly clamps, in particular to a cylinder longitudinal seam assembly misalignment adjustment device. Background Art

[0002] Medium and large open-pit mining usually adopts medium-deep hole step blasting technology, and the safety warning distance for blasting is generally 200 meters. However, it is generally difficult for special blasting construction workers to detonate beyond the safe distance. At the same time, operators usually use the natural barriers of the mine to operate when detonating and igniting, which has certain safety hazards. Therefore, for the safety of operators, using blast shelters to operate is a kind of operation protection for operators. Traditional blast shelters usually have limited-size observation windows to take into account the impact of blasting flying rocks. The air circulation inside the shelter is only limited, but there is still a certain amount of circulation. However, in the high temperature of summer, the human body is prone to discomfort. In addition, when blasting in the open air, underground or in tunnels, a large amount of dust and dirt will be generated. In the underground or tunnel, especially when blasting in the underground and tunnels, harmful gases will also appear. At this time, a completely enclosed space is needed to ensure that people can breathe normally in the enclosed space. Utility Model Content

[0003] (1) Technical problem to be solved: In view of the defects of the prior art blast shelters that are neither completely enclosed nor provide oxygen supply function and cannot cope with the dust or harmful gases generated by open-air, underground and tunnel blasting, the utility model provides a blast shelter with both enclosed and oxygen supply functions.

[0004] (2) The technical solution adopted by the utility model is as follows:

[0005] A closed artillery shelter has a hemispherical shell structure, a sealed door is arranged on the side of the shelter, an oxygen supply cylinder is arranged at the bottom of the shelter, an oxygen distribution pipe is arranged inside the shelter, the oxygen distribution pipe is in an annular structure, and a plurality of holes are evenly distributed on the oxygen distribution pipe, an outlet pipeline of the oxygen supply cylinder extends to the inside of the shelter, a valve and a pressure gauge are arranged on the outlet pipeline, the oxygen distribution pipe is connected with the outlet pipeline, and a one-way exhaust device from the inside of the shelter to the outside of the shelter is arranged on the shelter.

[0006] A further technical solution is that the one-way exhaust device is a single-exhalation valve.

[0007] A further technical solution is that a sealing window 1 is provided on the side of the shelter, and a sealing window 2 is provided on the bottom of the shelter.

[0008] A further technical solution is to provide an exhaust fan at two locations of the sealing window.

[0009] A further technical solution is that a harmful gas detection device is provided on the shelter.

[0010] A further technical solution is that movable wheels are arranged at the bottom of the shelter.

[0011] (3) Due to the adoption of the above technical scheme, the beneficial effects of the utility model are as follows: by setting a sealed door on the side of the bunker, a person opens the sealed door and then closes the sealed door after entering, so that a closed space can be formed inside the bunker; an oxygen supply cylinder is set at the bottom of the bunker, an oxygen distribution pipe is set inside the bunker, the outlet pipeline of the oxygen supply cylinder extends to the inside of the bunker, a valve and a pressure gauge are set on the outlet pipeline, the oxygen distribution pipe is connected with the outlet pipeline, the valve can be operated inside the bunker to open the oxygen supply cylinder, and oxygen is supplied to the inside of the bunker through the oxygen distribution pipe; the oxygen distribution pipe is an annular structure, and a plurality of holes are evenly distributed on the oxygen distribution pipe, so that oxygen can be evenly supplied to the inside of the bunker, ensuring that personnel at all positions can receive oxygen; the bunker is provided with a one-way exhaust device from the inside of the bunker to the outside of the bunker, the one-way exhaust device can ensure that the pressure inside and outside the bunker is balanced, and the air inside the bunker can circulate to the outside. Thereby, a blast shelter with sealing and oxygen supply functions is provided, which can cope with dust or harmful gases generated during open-air, underground and tunnel blasting. The hemispherical shell structure of the shelter is conducive to withstanding flying rock impacts. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0014] Figure 3 It is a structural schematic diagram of the oxygen distribution pipe described in the utility model. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0016] like Figure 1-Figure 3 shown.

[0017] A closed artillery shelter, the shelter 1 is in a hemispherical shell structure, a sealed door 2 is arranged on the side of the shelter 1, an oxygen supply cylinder 3 is arranged at the bottom of the shelter 1, an oxygen distribution pipe 4 is arranged inside the shelter 1, the oxygen distribution pipe 4 is in an annular structure, and a plurality of holes 5 are evenly distributed on the oxygen distribution pipe 4, an outlet pipeline of the oxygen supply cylinder 3 extends to the inside of the shelter 1, a valve 6 and a pressure gauge 7 are arranged on the outlet pipeline, the oxygen distribution pipe 4 is connected with the outlet pipeline, and a one-way exhaust device 8 from the inside of the shelter 1 to the outside of the shelter 1 is arranged on the shelter 1.

[0018] When in use, before blasting in the open air, in a tunnel or underground, after the bomb shelter 1 is moved to a fixed position, personnel enter the bomb shelter 1 from the sealed door 2, close the sealed door 2 and open the valve 6, so that dust or harmful gases generated during the blasting cannot invade the bomb shelter 1, and personnel can also breathe normally in the bomb shelter 1. Other items, such as food, water and tools, can also be placed in the bomb shelter 1. Since the personnel breathe and supply oxygen in the bomb shelter 1, the internal pressure of the bomb shelter 1 increases. The one-way exhaust device 8 can ensure that the pressure inside and outside the shelter 1 is balanced, and the air inside the shelter 1 can circulate to the outside, but the outside air cannot enter the bomb shelter 1 from the one-way exhaust device 8. The oxygen pipe 4 is fixed to the inner wall of the shelter 1 by means of a bracket. The sealed door 2 is hinged to the bomb shelter 1 and can be closed by setting an existing door lock. The sealed door 2 adopts the existing sealing door 2 installation structure. There is a contact surface three between the sealed door 2 and the shelter 1. The contact surface three is provided with a sealing pad three 16 to achieve sealing.

[0019] By setting a sealed door 2 on the side of the bunker 1, a person opens the sealed door 2 to enter and then closes the sealed door 2, so that a closed space can be formed inside the bunker 1. An oxygen supply cylinder 3 is set at the bottom of the bunker 1, and an oxygen distribution pipe 4 is set inside the bunker 1. The outlet pipeline of the oxygen supply cylinder 3 extends to the inside of the bunker 1. A valve 6 and a pressure gauge 7 are set on the outlet pipeline. The oxygen distribution pipe 4 is connected with the outlet pipeline. The valve 6 can be operated inside the bunker 1 to open the oxygen supply cylinder 3, and oxygen is supplied to the inside of the bunker 1 through the oxygen distribution pipe 4. The oxygen distribution pipe 4 is an annular structure, and a plurality of holes 5 are evenly distributed on the oxygen distribution pipe 4, which can evenly supply oxygen to the inside of the bunker 1 to ensure that people in various positions can receive oxygen. The bunker 1 is provided with a one-way exhaust device 8 from the inside of the bunker 1 to the outside of the bunker 1. The one-way exhaust device 8 can ensure that the pressure inside and outside the bunker 1 is balanced, and the air inside the bunker 1 can circulate to the outside. Thereby, a blast shelter 1 with sealing and oxygen supply functions is provided, so as to cope with dust or harmful gases generated during open-air, underground and tunnel blasting. The hemispherical shell structure of the shelter 1 is conducive to withstanding flying rock impacts.

[0020] The one-way exhaust device 8 is a one-way exhalation valve, which can realize one-way exhaust.

[0021] A sealing window 1 9 is provided on the side of the bunker 1, and a sealing window 2 10 is provided on the bottom of the bunker 1. When there is no blasting, the sealing window 1 9 and the sealing window 2 10 can be opened for ventilation. The sealing window 1 9 and the sealing window 2 10 can both adopt the existing sealing window structure. The sealing window 1 9 is hinged to the bunker 1, and an existing window lock is arranged on the sealing window 1 9 to close it. There is a contact surface 1 between the sealing window 1 9 and the bunker 1, and a sealing gasket 14 is arranged on the contact surface 1. The sealing window 2 10 is hinged to the bunker 1, and an existing window lock is arranged on the sealing window 2 10 to close it. There is a contact surface 2 between the sealing window 2 10 and the bunker 1, and a sealing gasket 2 15 is arranged on the contact surface 2.

[0022] An exhaust fan 11 is disposed at the second sealing window 10 , and the exhaust fan 11 can accelerate ventilation inside the shelter 1 .

[0023] The shelter 1 is provided with a harmful gas detection device 12, which is an existing harmful gas detector that can detect a variety of harmful gases. A suitable harmful gas detector can be selected according to actual needs.

[0024] The bottom of the shelter 1 is provided with moving wheels 13, which can facilitate the movement of the shelter 1.

[0025] The above are only preferred embodiments of the present invention.

Claims

1. A closed bomb shelter, characterized in that: The bunker (1) is in a hemispherical shell structure. A sealed door (2) is arranged on the side of the bunker (1). An oxygen supply cylinder (3) is arranged at the bottom of the bunker (1). An oxygen distribution pipe (4) is arranged inside the bunker (1). The oxygen distribution pipe (4) is in a ring structure and a plurality of holes (5) are evenly distributed on the oxygen distribution pipe (4). An outlet pipe of the oxygen supply cylinder (3) extends to the inside of the bunker (1). A valve (6) and a pressure gauge (7) are arranged on the outlet pipe. The oxygen distribution pipe (4) is connected to the outlet pipe. A one-way exhaust device (8) from the inside of the bunker (1) to the outside of the bunker (1) is arranged on the bunker (1).

2. A closed bomb shelter according to claim 1, characterized in that: The one-way exhaust device (8) is a single-exhalation valve.

3. A closed bomb shelter according to claim 1, characterized in that: A sealing window 1 (9) is provided on the side of the shelter (1), and a sealing window 2 (10) is provided on the bottom of the shelter (1).

4. A closed bomb shelter according to claim 3, characterized in that: An exhaust fan (11) is provided at the second sealing window (10).

5. The closed bomb shelter according to claim 1, characterized in that: A harmful gas detection device (12) is provided on the shelter (1).

6. The closed bomb shelter according to claim 1, characterized in that: The bottom of the shelter (1) is provided with moving wheels (13).

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