Air door for mine ventilation

Abstract

The utility model provides an air door for mine ventilation, and relates to the technical field of mine ventilation, the air door comprises a door plate, a ventilation hole is formed in the door plate in a penetrating mode, and air blocking assemblies are arranged on the upper side and the lower side of the ventilation hole correspondingly; the air blocking assembly comprises a first air blocking plate, a second air blocking plate and a connecting plate, the first air blocking plate is slidably connected with the second air blocking plate in a sleeving mode, and the connecting plate is fixedly arranged at the end, close to the middle of the ventilation hole, of the second air blocking plate; a driving assembly is arranged on the door plate, and the driving assembly is used for driving the two connecting plates to get close to each other or get away from each other; according to the ventilation door, through the design of the wind blocking assembly and the driving assembly which are connected in a sliding and sleeving mode, the size of the ventilation hole can be flexibly adjusted, different ventilation requirements are met, the ventilation efficiency and controllability of the ventilation door are improved through the design, and ventilation and safety management in a mine are facilitated.

Description

Technical Field

[0001] This application relates to the field of mine ventilation technology, and more specifically, to a mine ventilation damper. Background Technology

[0002] Mine ventilation refers to the process of introducing fresh air into the mine to increase the oxygen concentration, thereby diluting and removing toxic and harmful gases and dust from the mine. In order to guide the mine airflow along a predetermined route and distribute it, air doors need to be installed in specific roadways and ventilation ducts to control the airflow. The existing air door inlets and outlets have fixed sizes, making it almost impossible to adjust the size. Therefore, their ventilation volume (per unit time) is also constant and cannot meet the ventilation needs of different mines. Summary of the Invention

[0003] The purpose of this application is to provide a ventilation door for mines, which can solve the technical problems of existing ventilation doors having fixed sizes, being unable to be adjusted, having constant ventilation volume, and not being suitable for the needs of different mines.

[0004] This application provides a ventilation door for mines, including a door panel with a ventilation hole through it, and wind-blocking components are respectively provided on the upper and lower sides of the ventilation hole;

[0005] The windbreak assembly includes a first windbreak plate, a second windbreak plate, and a connecting plate. The first windbreak plate and the second windbreak plate are slidably sleeved together, and the connecting plate is fixedly disposed at one end of the second windbreak plate near the middle of the ventilation hole.

[0006] A drive assembly is provided on the door panel, which is used to drive the two connecting plates to move closer or further apart.

[0007] The ventilation hole has a first storage slot at its upper and lower ends, a first wind deflector that is slidably disposed in the first storage slot, and the first wind deflector that can be moved into the ventilation hole. The first wind deflector has a second storage slot, a second wind deflector that is slidably disposed in the second storage slot, and the second wind deflector that can be moved into the ventilation hole.

[0008] The drive assembly includes a motor, a screw, and a guide rod. First mounting slots are respectively provided on the left and right sides of the ventilation hole. The screw is rotatably mounted in one of the first mounting slots via a bearing. The motor drives the screw to rotate. The guide rod is fixedly mounted in the other first mounting slot. A connecting plate is threaded onto the screw, and the threads of the two connecting plates are opposite. The connecting plate is slidably mounted on the guide rod.

[0009] The first storage slot has a first guide groove on its front and rear sides, and a first guide block is fixedly installed on the first wind deflector. The first guide block is slidably connected to the first guide groove. The second storage slot has a second guide groove on its front and rear sides, and a second guide block is fixedly installed on the second wind deflector. The second guide block is slidably connected to the first guide groove.

[0010] The ventilation holes are equipped with filters.

[0011] The door panel is equipped with a quick-release assembly, and the filter screen is detachably installed in the ventilation hole through the quick-release assembly.

[0012] The quick-release assembly includes a first limiting block, a second limiting block, a mounting block, an elastic element, and a connecting rope. The first limiting block is fixedly disposed within the ventilation hole, the mounting block is fixedly disposed on the door panel, the mounting block has a second mounting groove, the second limiting block is mounted in the second mounting groove through the elastic element, the connecting rope is connected to the second limiting block and extends outside the mounting block, and the filter screen can be placed between the first limiting block and the second limiting block.

[0013] The end of the connecting rope away from the second limiting block is provided with a pull ring.

[0014] The beneficial effects of this utility model are:

[0015] This utility model provides a ventilation door for mines. In use, airflow passes through ventilation holes on the door panel, with a first and second baffle plate blocking the ventilation holes. When ventilation volume needs adjustment, a drive assembly moves two connecting plates closer or further apart, which in turn moves the first and second baffle plates, thus changing the blocking area and adjusting the opening and closing degree of the ventilation holes to regulate the air intake. The door's slidingly connected baffle and drive assembly design allows for flexible adjustment of the ventilation hole size to meet different ventilation needs. This design improves the ventilation efficiency and controllability of the door, contributing to air circulation and safety management within the mine. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1This is a schematic diagram of the overall front view structure in some embodiments of this application;

[0018] Figure 2 This is a sectional view of the overall main view structure in some embodiments of this application;

[0019] Figure 3 This is a cross-sectional view of the overall side structure in some embodiments of this application;

[0020] Figure 4 for Figure 3 A schematic diagram of the enlarged structure at point A.

[0021] The reference numerals in the attached figures are as follows:

[0022] 1. Door panel; 11. Ventilation hole; 12. First storage slot; 13. First mounting slot; 14. First guide slot; 15. Filter screen;

[0023] 2. Windshield assembly; 21. First windshield; 22. Second windshield; 23. Connecting plate; 24. Second storage slot; 25. First guide block; 26. Second guide slot; 27. Second guide block;

[0024] 3. Drive assembly; 31. Motor; 32. Screw; 33. Guide rod;

[0025] 4. Quick-release assembly; 41. First limit block; 42. Second limit block; 43. Mounting block; 44. Elastic element; 45. Connecting rope; 46. Second mounting groove; 47. Pull ring. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0028] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0029] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0030] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0031] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0032] like Figures 1 to 3 As shown, this application embodiment provides a mine ventilation door, including a door panel 1, a ventilation hole 11 is provided through the door panel 1, and wind-blocking components 2 are respectively provided on the upper and lower sides of the ventilation hole 11.

[0033] The windbreak assembly 2 includes a first windbreak plate 21, a second windbreak plate 22 and a connecting plate 23. The first windbreak plate 21 and the second windbreak plate 22 are slidably sleeved together, and the connecting plate 23 is fixedly disposed at one end of the second windbreak plate 22 near the middle of the ventilation hole 11.

[0034] A drive assembly 3 is provided on the door panel 1. The drive assembly 3 is used to drive the two connecting plates 23 to move closer or further apart.

[0035] In use, airflow passes through the ventilation hole 11 on the door panel 1 for ventilation. The first baffle plate 21 and the second baffle plate 22 block the ventilation hole 11. When it is necessary to adjust the ventilation volume, the two connecting plates 23 are driven to move closer or further apart by the drive component 3. The connecting plates 23 drive the first baffle plate 21 and the second baffle plate 22 to move, thereby changing the blocking area. This allows the opening and closing degree of the ventilation hole 11 to be adjusted to regulate the air intake volume.

[0036] The design of the air door, with its sliding sleeve windproof component 2 and drive component 3, allows for flexible adjustment of the size of the ventilation hole 11 to adapt to different ventilation needs. This design improves the ventilation efficiency and controllability of the air door, and helps with air circulation and safety management in the mine.

[0037] like Figures 1 to 3 As shown, in this embodiment, the upper and lower ends of the ventilation hole 11 are respectively provided with a first storage groove 12, the first wind baffle 21 is limited and slidably disposed in the first storage groove 12, and the first wind baffle 21 can be moved into the ventilation hole 11. The first wind baffle 21 is provided with a second storage groove 24, the second wind baffle 22 is limited and slidably disposed in the second storage groove 24, and the second wind baffle 22 can be moved into the ventilation hole 11.

[0038] When it is necessary to reduce the ventilation volume, the drive assembly 3 drives the two connecting plates 23 to move closer to each other. The upper connecting plate 23 moves down, causing the first wind deflector 21 and the second wind deflector 22 to move down. The upper first wind deflector 21 moves down and extends out of the first storage slot 12 until it is restricted. Then the upper second wind deflector 22 moves down and extends out of the second storage slot 24. Meanwhile, the lower connecting plate 23 moves up, causing the second wind deflector 22 to move up. The lower second wind deflector 22 moves up and extends out of the second storage slot 24 until it is restricted. Then the lower first wind deflector 21 moves up and extends out of the first storage slot 12, thereby increasing the shielding area. The opening and closing degree of the ventilation hole 11 can be adjusted to regulate the air intake volume.

[0039] When it is necessary to increase the ventilation volume, the two connecting plates 23 are moved away from each other by the drive component 3. The connecting plates 23 drive the second wind deflector 22 to move and retract into the second storage slot 24, and drive the first wind deflector 21 to move and retract into the first storage slot 12, thereby reducing the obstruction area. The opening and closing degree of the ventilation hole 11 can be adjusted to regulate the air intake volume.

[0040] By driving the connecting plate 23 to move through the drive component 3, the positions of the first wind deflector 21 and the second wind deflector 22 can be flexibly adjusted, thereby increasing or decreasing the ventilation volume. This design allows the ventilation volume to be adjusted according to actual needs, improving the adaptability and flexibility of the damper. The design of the first storage slot 12 and the second storage slot 24 allows the wind deflector component 2 to be stored away when not in use, reducing the space occupied by the ventilation hole 11 and increasing the maximum ventilation volume of the ventilation hole 11.

[0041] like Figures 1 to 3As shown, in this embodiment, the drive assembly 3 includes a motor 31, a screw 32, and a guide rod 33. First mounting slots 13 are respectively provided on the left and right sides of the ventilation hole 11. The screw 32 is rotatably mounted in one of the first mounting slots 13 through a bearing. The motor 31 drives the screw 32 to rotate. The guide rod 33 is fixedly mounted in the other first mounting slot 13. The connecting plate 23 is threaded onto the screw 32, and the threads of the two connecting plates 23 are opposite. The connecting plate 23 is slidably mounted on the guide rod 33.

[0042] When in use, the motor 31 is turned on to drive the screw 32 to rotate, and the screw 32 drives the two connecting plates 23 to move closer or further apart; the cooperation between the connecting plate 23 and the guide rod 33 plays a guiding and limiting role for the connecting plate 23.

[0043] like Figures 1 to 3 As shown, in this embodiment, the first storage slot 12 has a first guide slot 14 on its front and rear sides respectively, and a first guide block 25 is fixedly installed on the first wind baffle 21. The first guide block 25 is slidably connected to the first guide slot 14. The second storage slot 24 has a second guide slot 26 on its front and rear sides respectively, and a second guide block 27 is fixedly installed on the second wind baffle 22. The second guide block 27 is slidably connected to the first guide slot 14.

[0044] The cooperation between the first guide block 25 and the first guide groove 14 guides and limits the first wind deflector 21, ensuring that the first wind deflector 21 maintains a stable trajectory during movement, avoiding deviation and shaking, and preventing the first wind deflector 21 from moving out of the first storage groove 12; the cooperation between the second guide block 27 and the second guide groove 26 guides and limits the second wind deflector 22, ensuring that the second wind deflector 22 maintains a stable trajectory during movement, avoiding deviation and shaking, and preventing the second wind deflector 22 from moving out of the second storage groove 24.

[0045] like Figures 1 to 4 As shown, in this embodiment, a filter screen 15 is provided inside the ventilation hole 11; the filter screen 15 filters impurities and dust in the airflow, and the design of the filter screen 15 effectively purifies the air entering the mine and reduces environmental pollution in the mine.

[0046] like Figure 3 and 4 As shown, in this embodiment, a quick-release assembly 4 is provided on the door panel 1, and the filter screen 15 is detachably installed in the ventilation hole 11 through the quick-release assembly 4. The design of the quick-release assembly 4 makes the installation and removal of the filter screen 15 simple and quick, and facilitates the cleaning and replacement of the filter screen 15. This design improves the maintenance efficiency and convenience of the filter screen 15 and reduces maintenance costs.

[0047] like Figure 3 and4 As shown, in this embodiment, the quick-release assembly 4 includes a first limiting block 41, a second limiting block 42, an installation block 43, an elastic element 44, and a connecting rope 45. The first limiting block 41 is fixedly disposed in the ventilation hole 11, the installation block 43 is fixedly disposed on the door panel 1, the installation block 43 has a second installation groove 46, the second limiting block 42 is installed in the second installation groove 46 through the elastic element 44, the connecting rope 45 is connected to the second limiting block 42 and extends to the outside of the installation block 43, and the filter screen 15 can be placed between the first limiting block 41 and the second limiting block 42.

[0048] When installing the filter screen 15, pulling the connecting rope 45 outward causes the second limiting block 42 to retract into the second mounting groove 46. At this time, the elastic element 44 is squeezed. Then, the filter screen 15 is placed into the ventilation hole 11. Then, the connecting rope 45 is released. Under the elastic force of the elastic element 44, the second limiting block 42 extends out of the second mounting groove 46. The first limiting block 41 and the second limiting block 42 work together to limit the filter screen 15 to be installed in the ventilation hole 11. The elastic element 44 is a spring. The design of the elastic element 44 allows the second limiting block 42 to automatically reset and fasten the filter screen 15.

[0049] like Figure 3 and 4 As shown, in this embodiment, a pull ring 47 is provided at the end of the connecting rope 45 away from the second limiting block 42; the pull ring 47 makes it easy for the operator to pull the connecting rope 45, improving the ease of use, and the pull ring 47 also serves as the end point marker of the connecting rope 45, making it easy for the operator to quickly find and pull the connecting rope 45.

[0050] Working principle: When the ventilation door for mine ventilation provided in this application is in use, the airflow passes through the ventilation hole 11 on the door plate 1 to deliver air, the filter screen 15 filters impurities and dust in the airflow, and the first baffle plate 21 and the second baffle plate 22 block the ventilation hole 11.

[0051] When it is necessary to reduce the ventilation volume, the motor 31 is turned on to drive the screw 32 to rotate. The screw 32 drives the two connecting plates 23 to move closer to each other. The upper connecting plate 23 moves down, causing the first wind deflector 21 and the second wind deflector 22 to move down. The upper first wind deflector 21 moves down and extends out of the first storage groove 12 until it is restricted. Then the upper second wind deflector 22 moves down and extends out of the second storage groove 24. Meanwhile, the lower connecting plate 23 moves up, causing the second wind deflector 22 to move up. The lower second wind deflector 22 moves up and extends out of the second storage groove 24 until it is restricted. Then the lower first wind deflector 21 moves up and extends out of the first storage groove 12, thereby increasing the shielding area. The opening and closing degree of the ventilation hole 11 can be adjusted to regulate the air intake volume.

[0052] When it is necessary to increase the ventilation volume, the motor 31 is turned on to drive the screw 32 to rotate. The screw 32 drives the two connecting plates 23 to move away from each other. The connecting plates 23 drive the second wind deflector 22 to move and retract into the second storage slot 24, and drive the first wind deflector 21 to move and retract into the first storage slot 12, thereby reducing the obstruction area. The opening and closing degree of the ventilation hole 11 can be adjusted to regulate the air intake volume.

[0053] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A ventilation door for mines, characterized in that: Includes a door panel (1), on which a ventilation hole (11) is provided, and windproof components (2) are respectively provided on the upper and lower sides of the ventilation hole (11); The windbreak assembly (2) includes a first windbreak plate (21), a second windbreak plate (22) and a connecting plate (23). The first windbreak plate (21) and the second windbreak plate (22) are slidably sleeved together. The connecting plate (23) is fixedly disposed at one end of the second windbreak plate (22) near the middle of the ventilation hole (11). The door panel (1) is provided with a drive assembly (3), which is used to drive the two connecting plates (23) to move closer or further apart.

2. The mine ventilation door according to claim 1, characterized in that: The ventilation hole (11) has a first storage groove (12) at its upper and lower ends respectively. The first wind baffle (21) is slidably disposed in the first storage groove (12) and can be moved into the ventilation hole (11). The first wind baffle (21) has a second storage groove (24) and the second wind baffle (22) is slidably disposed in the second storage groove (24) and can be moved into the ventilation hole (11).

3. The mine ventilation door according to claim 1, characterized in that: The drive assembly (3) includes a motor (31), a screw (32) and a guide rod (33). The ventilation hole (11) has a first mounting groove (13) on its left and right sides respectively. The screw (32) is rotatably mounted in one of the first mounting grooves (13) through a bearing. The motor (31) drives the screw (32) to rotate. The guide rod (33) is fixedly mounted in the other first mounting groove (13). The connecting plate (23) is threaded onto the screw (32), and the threads of the two connecting plates (23) are opposite. The connecting plate (23) is slidably mounted on the guide rod (33).

4. The mine ventilation door according to claim 2, characterized in that: The first storage slot (12) has a first guide slot (14) on its front and rear sides respectively. The first wind baffle (21) is fixedly provided with a first guide block (25). The first guide block (25) is slidably connected to the first guide slot (14). The second storage slot (24) has a second guide slot (26) on its front and rear sides respectively. The second wind baffle (22) is fixedly provided with a second guide block (27). The second guide block (27) is slidably connected to the first guide slot (14).

5. The mine ventilation door according to claim 1, characterized in that: A filter screen (15) is installed inside the ventilation hole (11).

6. The mine ventilation door according to claim 5, characterized in that: The door panel (1) is provided with a quick-release assembly (4), and the filter screen (15) is detachably installed in the ventilation hole (11) through the quick-release assembly (4).

7. The mine ventilation door according to claim 6, characterized in that: The quick-release assembly (4) includes a first limiting block (41), a second limiting block (42), an installation block (43), an elastic element (44), and a connecting rope (45). The first limiting block (41) is fixedly installed in the ventilation hole (11). The installation block (43) is fixedly installed on the door panel (1). The installation block (43) has a second installation groove (46). The second limiting block (42) is installed in the second installation groove (46) through the elastic element (44). The connecting rope (45) is connected to the second limiting block (42) and extends to the outside of the installation block (43). The filter screen (15) can be placed between the first limiting block (41) and the second limiting block (42).

8. The mine ventilation door according to claim 7, characterized in that: A pull ring (47) is provided at the end of the connecting rope (45) away from the second limiting block (42).

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