Ventilation escape pipeline for coal mine

Abstract

The utility model discloses a ventilation escape pipeline for a coal mine, and relates to the technical field of escape pipelines. Comprising a pipe body; the ladder is arranged in the pipe body; the protection mechanism is arranged on the inner wall of the pipe body and comprises mounting plates arranged on the two sides of the escalator, and limiting assemblies and movable assemblies which are matched with each other are arranged in the mounting plates; the ventilation assembly is arranged on the outer side of the pipe body and communicates with the inner cavity of the pipe body. Through the arrangement of the protection mechanism, when the ventilation escape pipeline is used for climbing, personnel are protected, the personnel can be prevented from falling off when climbing in the ventilation escape pipeline, and the safety of the ventilation escape pipeline is improved; by arranging the ventilation assembly, when the ventilation escape pipeline is used, the ventilation and oxygen supply efficiency of the ventilation escape pipeline can be effectively improved, so that the safety of people during escape is guaranteed; the problems that an existing survival ventilation pipeline is low in safety, and a safety rope is inconvenient to fix and protect in time in the escape process are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of escape pipes, and particularly relates to a ventilation and escape pipe for coal mines. Background Art

[0002] A coal mine is an area where humans mine coal resources in coal-rich mining areas, generally divided into underground coal mines and surface coal mines. When the coal seam is far from the surface, generally, the method of digging a roadway underground is selected to extract coal, and the coal mine structure formed by this extraction method is called an underground coal mine. During the construction of an underground coal mine, in order to facilitate underground ventilation, ventilation pipes are usually used to connect the underground roadway of the mine with the ground to facilitate the air change inside the mine and the underground roadway. Since the ventilation pipe is large in volume, and problems such as coal seam collapse are likely to occur underground, in order to facilitate the escape of workers, people consider adding a survival ladder and an escape passage in the ventilation pipe to provide an escape passage for trapped personnel when an accident occurs in the coal mine. Such ventilation pipes are called ventilation and escape pipes.

[0003] The traditional ventilation and escape pipe is mainly composed of a ventilation pipe and a survival ladder to facilitate workers to climb out along the survival ladder when an accident occurs underground in the coal mine. However, when the ventilation and escape pipe is used for a long time, due to the air circulation, water droplets will condense on the survival ladder, resulting in easy slipping when workers grasp during the escape process, and there are obvious safety hazards; and to ensure the safety of workers, workers usually use the safety ropes carried with them to protect the workers during the climbing process. However, when the safety ropes are used, the positions of the safety rope clips on the survival ladder need to be continuously changed, which seriously affects the escape efficiency of workers.

[0004] Based on this, the utility model proposes a ventilation and escape pipe for coal mines to solve the problems existing in the above-mentioned prior art. Content of the Utility Model

[0005] In view of this, the main purpose of the utility model is to provide a ventilation and escape pipe for coal mines to solve the problems of low safety of the existing survival ventilation pipe and inconvenience in fixing and protecting the safety rope in time during the escape process.

[0006] To achieve the above object, the technical solution of the utility model is realized as follows:

[0007] A ventilation and escape pipe for coal mines, comprising:

[0008] A pipe body;

[0009] A ladder, arranged inside the pipe body;

[0010] A protection mechanism, arranged on the inner wall of the pipe body, including mounting plates arranged on both sides of the ladder, and a matching limit component and a movable component are arranged inside the mounting plates;

[0011] A ventilation component is provided outside the pipe body and is communicated with the internal cavity of the pipe body.

[0012] In a preferred embodiment, the limiting component is arranged on the inner wall of the mounting plate and includes:

[0013] A plurality of baffles are hingedly arranged on both sides of the inner wall of the mounting plate;

[0014] A spiral spring is arranged on one side of the baffle close to the inner wall of the mounting plate, and the other end of the spiral spring is connected to the inner wall of the mounting plate.

[0015] In a preferred embodiment, the limiting component further includes:

[0016] Support plates are arranged on both sides of the inner wall of the mounting plate and are located at the bottom end of the baffle.

[0017] In a preferred embodiment, the movable component includes:

[0018] A mounting block is slidably arranged in the mounting plate and is matched with the baffle;

[0019] Limiting plates are hingedly arranged at both ends of the mounting block and are matched with the baffle, and a support block is further arranged on the lower side of the mounting block;

[0020] A connecting block is hingedly connected to one end of the limiting plate and is slidably connected to the support block at the other end.

[0021] In a preferred embodiment, several uniformly distributed compression springs are further arranged in the support block, and the compression springs are arranged between the two connecting blocks and are connected to the connecting blocks.

[0022] In a preferred embodiment, a buckle is further arranged on the outer wall of the mounting block, and the buckle is matched with the connection head of the safety belt;

[0023] In a preferred embodiment, a card slot is further arranged in the middle of the front end of the mounting plate, and the card slot is matched with the buckle.

[0024] In a preferred embodiment, the ventilation component includes:

[0025] A placement box is fixedly arranged at both ends outside the pipe body;

[0026] A first fan is arranged in the placement box at the upper end of the pipe body and is communicated with a first air duct arranged in the placement box, and the first air duct is communicated with the inner cavity of the pipe body.

[0027] In a preferred embodiment, a second blower is rotatably arranged in a placement box at the lower end of the pipe body. One end of the second blower is communicated with a second air duct, and one end of the second air duct is communicated with the other end of the pipe body.

[0028] In a preferred embodiment, filter screens are arranged on the upper side of the placement box at the upper end of the pipe body and on the lower side of the placement box at the lower end of the pipe body.

[0029] Compared with the prior art, the utility model provides a ventilation and escape pipe for coal mines, which has the following beneficial effects:

[0030] 1. Through the setting of the protection mechanism, when climbing using the ventilation and escape pipe, the baffles on both sides inside the mounting plate are in a V shape, and the limiting plates on both sides of the mounting block are in a V shape. The distance between the limiting plates on both sides of the mounting block is greater than that of the two baffles, so that it is clamped on one side of the two baffles. The baffle can be rotated to one side when the mounting block moves upward through the spiral spring. The mounting block can be rotated inward through the cooperation of the connecting block and the compression spring in the support block, return to its original position after passing through the two baffles, and be clamped together to prevent personnel from falling when climbing. The compression spring and the spiral spring respectively support the limiting plate and the baffle, and open obliquely to one side. The support plate can limit and support the baffle, and the buckle can be connected and fixed with the backpack strap to protect personnel. When personnel climb in the ventilation and escape pipe, it can prevent them from falling and improve the safety of the ventilation and escape pipe; it solves the problems of low safety of the existing survival ventilation pipe and the inconvenience of fixing and protecting the safety rope in time during the escape process.

[0031] 2. By setting the ventilation component, when using the ventilation and escape pipe, the first blower and the first air duct cooperate to convey the air outside the ventilation and escape pipe into the ventilation and escape pipe to ventilate the ventilation and escape pipe and prevent personnel from suffocating when escaping in the ventilation and escape pipe; the second blower and the second air duct cooperate to convey the air in the pipe body to the outside of the pipe body to replace the air in the ventilation and escape pipe, which can effectively improve the ventilation and oxygen supply efficiency of the ventilation and escape pipe to ensure the safety of personnel during escape. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0033] Figure 1 It is a schematic diagram of the external structure of the present invention;

[0034] Figure 2 Structural schematic diagram of the protection mechanism of the present utility model;

[0035] Figure 3 Partial structural schematic diagram of the protection mechanism of the present utility model;

[0036] Figure 4 Structural schematic diagram of the ventilation component of the present utility model.

[0037] 1. Pipe body;

[0038] 2. Escalator;

[0039] 3. Protection mechanism; 31. Mounting plate; 32. Baffle; 33. Mounting block; 34. Limiting plate; 35. Support block; 36. Connecting block; 37. Compression spring; 38. Buckle; 39. Helical spring; 310. Support plate; 311. Card slot;

[0040] 4. Ventilation component; 41. Placing box; 42. First fan; 43. First air duct; 44. Second fan; 45. Second air duct; 46. Filter screen. Specific implementation manners

[0041] The structure of the ventilation and escape pipeline for coal mines of the present utility model will be further described in detail below in conjunction with the accompanying drawings and the embodiments of the present utility model.

[0042] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments may be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0043] It should be noted that the terms used herein are only for describing specific implementation manners and are not intended to limit the exemplary implementation manners of the present application. As used herein, unless otherwise clearly specified in the context, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0044] It should be noted that the terms "first", "second", etc. in the description, claims and above-mentioned drawings of this application are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described here can be implemented in an order other than those illustrated or described here. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units does not necessarily limit to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0045] For ease of description, spatial relative terms such as "above", "on top of", "on the upper surface", "upper" etc. can be used here to describe the spatial positional relationship between a device or feature shown in the figure and other devices or features. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation described in the figure for the device. For example, if the device in the figure is inverted, the device described as "above other devices or structures" or "on top of other devices or structures" will then be positioned as "below other devices or structures" or "beneath other devices or structures". Thus, the exemplary term "above" can include both the orientations of "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and corresponding interpretations are made for the spatial relative descriptions used here.

[0046] As Figures 1-5 shown, a ventilation and escape pipeline for coal mines includes a pipe body 1, a protection mechanism 3 and a ventilation component 4; wherein:

[0047] An escalator 2 is fixedly connected to the inner wall of the pipe body 1;

[0048] The protection mechanism 3 is fixedly installed on the inner wall of the pipe body 1 and is located on both sides of the escalator 2, and is used to prevent personnel from falling by connecting with a safety rope through the protection mechanism 3 when personnel climb the escalator 2 in the ventilation and escape pipeline, thereby improving the safety of pipeline use; its specific structure includes mounting plates 31 fixedly connected to both sides of the inner wall of the pipe body 1, and a limiting component and a movable component that cooperate with each other are arranged in the mounting plates 31;

[0049] The ventilation component 4 is fixedly installed on the outside of the pipe body 1 and is communicated with the inner chamber of the pipe body 1.

[0050] It should be noted that in this embodiment, the escalator 2 is welded and fixed inside the pipe body 1 and is used to function as a climbing ladder during use, facilitating personnel to climb and escape inside the pipe body 1. In the protection mechanism 3, by hinging a baffle 32 between two adjacent mounting plates 31, and the baffle 32 and the mounting block 33 are used in cooperation, it can be connected to the safety rope of personnel, protecting the personnel during the escape process, effectively preventing the problem of personnel falling when crawling in the ventilation duct, and ensuring the safety of personnel during the escape process. Through the ventilation component 4, the high-pressure gas inside the pipe body 1 can be discharged during use, and fresh air from the outside can be introduced into the mine.

[0051] As a preferred implementation manner, as Figure 2 , Figure 3 and Figure 4 shown, the limiting component is arranged on the inner wall of the mounting plate 31 and includes a number of baffles 32 hingedly installed on both sides of the inner wall of the mounting plate 31. A spiral spring 39 is fixedly installed between one side of the baffle 32 and one side of the inner wall of the mounting plate 31, and a number of uniformly distributed support plates 310 are fixedly connected to both sides of the inner wall of the mounting plate 31. The support plates 310 are arranged at the bottom end of the baffle 32.

[0052] The movable component includes a mounting block 33 slidably connected to the inner wall of the mounting plate 31. Limiting plates 34 are hinged on both sides of the mounting block 33. A support block 35 is arranged between the two limiting plates 34. Connecting blocks 36 are slidably connected to both ends of the support block 35. One end of the connecting block 36 is hinged to one side of the limiting plate 34, and a number of uniformly distributed compression springs 37 are arranged in the middle of the inner walls of the two support blocks 35. The compression springs 37 are arranged between the two connecting blocks 36. A buckle 38 is also fixedly connected to the outer wall of the mounting block 33.

[0053] It should be noted that in this embodiment, when the staff climbs and escapes through the ventilation and escape pipe, the buckles 38 on both sides of the pipe body 1 are connected to the safety rope to protect the personnel. When the staff climbs upward along the escalator 2, the mounting block 33 is driven by the buckle 38 to move upward with the two limiting plates 34, squeezing the two baffles 32 to make them rotate to one side. The two limiting plates 34 drive the connecting blocks 36 to slide in the support block 35, causing the limiting plates 34 to rotate inward, facilitating upward movement. The compression springs 37 and the spiral springs 39 respectively support the two limiting plates 34 and the two baffles 32 to make them rotate and tilt to one side. Since the two limiting plates 34 are larger than the two baffles 32, the limiting plates 34 can be clamped on the baffles 32 to limit and fix the mounting block 33. The baffle 32 and the support block 35 cooperate to improve the support strength of the baffle 32, prevent personnel from falling when climbing in the ventilation and escape pipe, and improve the safety of the ventilation and escape pipe.

[0054] It should be noted that a clamping groove 311 is also formed in the middle of the front end of the mounting plate 31. The clamping groove 311 is matched with the buckle 38, so that the buckle 38 can move along the length direction of the clamping groove 311 during use, avoiding the slippage of the mounting block 33 during use.

[0055] As a preferred embodiment, as Figure 5 shown, the ventilation assembly 4 includes placement boxes 41 fixedly connected to the outer walls at both ends of the pipe body 1. A first fan 42 is rotatably connected to the inner wall of the placement box 41 at the upper end of the pipe body 1. One end of the placement box 41 at the upper end of the pipe body 1 is communicated with a first air duct 43. One end of the first air duct 43 is communicated with the pipe body 1. A second fan 44 is rotatably connected to the inner wall of the placement box 41 at the lower end of the pipe body 1. One end of the second fan 44 is communicated with a second air duct 45. The other end of the second air duct 45 is communicated with the other end of the pipe body 1.

[0056] It should be noted that in this embodiment, the first fan 42 and the second fan 44 are controlled asynchronously. That is, when the first fan 42 rotates forward as an exhaust fan to exhaust air, the second fan 44 rotates reversely as an air supply fan to supply air, so that the gas in the pipe body 1 flows in one direction. When using the ventilation and escape pipe, one end of the first air duct 43 is communicated with several smaller ducts, which are evenly distributed on the pipe body 1. During use, by turning on the power switch of the first fan 42, the ducts cooperate with the first fan 42 to transport external air into the pipe body 1, preventing the air in the pipe body 1 from being thin, so as to facilitate the breathing of personnel during escape; at the same time, cooperating with the second fan 44, the air at the lower end of the pipe body 1 is discharged into the mine and roadway; when replacing the air in the mine, reverse control the above-mentioned first fan 42 and second fan 44 to work, so as to complete the air replacement in the mine and improve the safety and ventilation effect of the ventilation and escape pipe.

[0057] When the coal mine ventilation and escape pipe of the present invention is in use: Under normal conditions, the pipe body 1 and the ventilation assembly 4 are used in cooperation to ventilate and replace the air in the coal mine underground and the roadway.

[0058] When the staff needs to escape through the pipe body 1, the safety rope is connected to the buckle 38. The personnel climb upward using the escalator 2, driving the installation block 33 to move upward. The installation block 33 drives the two limit plates 34 to move upward, squeezing the baffle 32, causing it to rotate to one side and squeezing the spiral spring 39. The limit plate 34 rotates to one side, driving the connecting block 36 to squeeze the compression spring 37 in the support block 35, facilitating the upward movement of the installation block 33. The compression spring 37 supports the connecting block 36 and moves toward one end, causing the limit plate 34 to rotate and tilt to one side. The spiral spring 39 supports the baffle 32 and rotates to one side to open. The installation block 33 is clamped on one side of the two baffles 32 through the two limit plates 34, limiting and supporting the position of the installation block 33.

[0059] Meanwhile, during the personnel's escape process, the first fan 42 and the second fan 44 are controlled by the controller to rotate, forming a ventilation and air exchange system inside the pipe body 1. The first fan 42 rotates and cooperates with the first air duct 43 to convey external air into the pipe body 1. The second fan 44 cooperates with the second air duct 45 to convey the air inside the pipe body 1 to the outside, so as to increase the oxygen content inside the pipe body 1 and ensure the breathing of the staff during the escape process.

[0060] It should be noted that, for the convenience of filtering the external and underground air during use, filter meshes 46 are provided on the upper side of the placement box 41 at the upper end of the pipe body 1 and on the lower side of the placement box 41 at the lower end of the pipe body 1. When in use, the air is filtered by the filter meshes 46.

[0061] It should be noted that in the above description, the first fan 42, the second fan 44, the controller, etc. are all devices with relatively mature applications in the prior art. The specific models can be selected according to actual needs and will not be elaborated here.

[0062] The above is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A ventilation and escape pipeline for coal mines, characterized in that: Comprising: A pipe body (1); An escalator (2) arranged inside the pipe body (1); A protection mechanism (3) arranged on the inner wall of the pipe body (1), including mounting plates (31) arranged on both sides of the escalator (2), and a matching limiting component and a movable component are arranged inside the mounting plates (31); A ventilation component (4) arranged outside the pipe body (1) and communicating with the internal cavity of the pipe body (1).

2. The ventilation and escape pipeline for coal mines according to claim 1, characterized in that: The limiting component is arranged on the inner wall of the mounting plate (31) and includes: A plurality of baffles (32) hinged on both sides of the inner wall of the mounting plate (31); A spiral spring (39) arranged on the side of the baffle (32) close to the inner wall of the mounting plate (31), and the other end of the spiral spring (39) is connected to the inner wall of the mounting plate (31).

3. The air ventilation and escape pipeline for coal mines according to claim 2, characterized in that: The limiting component further includes: Support plates (310) arranged on both sides of the inner wall of the mounting plate (31) and located at the bottom end of the baffle (32).

4. The ventilation and escape pipeline for coal mines according to claim 2, characterized in that: The movable component includes: A mounting block (33) slidably arranged inside the mounting plate (31) and matching with the baffle (32); Limiting plates (34) hinged at both ends of the mounting block (33) and matching with the baffle (32), and a support block (35) is further arranged on the lower side of the mounting block (33); A connecting block (36) with one end hingedly connected to the limiting plate (34) and the other end slidably connected to the support block (35).

5. The air ventilation and escape pipeline for coal mines according to claim 4, characterized in that: A plurality of uniformly distributed compression springs (37) are further arranged inside the support block (35), the compression springs (37) are arranged between the two connecting blocks (36) and connected to the connecting blocks (36).

6. The air ventilation and escape pipeline for coal mines according to claim 4, characterized in that: A buckle (38) is further arranged on the outer wall of the mounting block (33), and the buckle (38) matches with the connection head of the safety belt.

7. The ventilation and escape pipeline for coal mines according to claim 6, characterized in that: A card slot (311) is further arranged in the middle of the front end of the mounting plate (31), and the card slot (311) matches with the buckle (38).

8. A ventilation and escape pipeline for coal mines according to claim 1, characterized in that: The ventilation component (4) includes: A placement box (41) fixedly arranged at both ends outside the pipe body (1); A first fan (42) arranged in the placement box (41) at the upper end of the pipe body (1) and communicating with a first air duct (43) arranged in the placement box (41), and the first air duct (43) is connected to the inner cavity of the pipe body (1).

9. The ventilation and escape pipeline for coal mines according to claim 8, characterized in that: A second fan (44) is rotatably arranged in the placement box (41) at the lower end of the pipe body (1), one end of the second fan (44) is communicated with a second air duct (45), and one end of the second air duct (45) is connected to the other end of the pipe body (1).

10. A ventilation and escape pipeline for coal mines according to claim 8, characterized in that: Filter meshes (46) are arranged on the upper side of the placement box (41) at the upper end of the pipe body (1) and on the lower side of the placement box (41) at the lower end of the pipe body (1).

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