Underground mine wind tube cloth suspension telescopic device

Abstract

The utility model belongs to the technical field of underground mine excavation, and specifically discloses an underground mine wind tube cloth suspension and telescopic device, including a wind tube cloth, a telescopic frame and a driving mechanism, wherein the wind tube cloth is suspended on a guide rail, and the telescopic frame is arranged on the outer wall of the wind tube cloth and connected to the driving mechanism, and the driving mechanism is used to drive the telescopic frame to telescope, thereby driving the wind tube cloth connected to the telescopic frame to perform telescopic movement. The utility model arranges a telescopic frame on the outer side of the wind tube cloth, and drives the telescopic frame to perform telescopic movement through the driving mechanism, thereby driving the wind tube cloth to telescope in the length direction; the device has a simple structure, is easy to manufacture, and has low cost. When performing excavation and blasting work, the telescopic frame is coordinated with the driving mechanism to achieve the telescopic of the wind tube cloth, thereby avoiding damage to the wind tube cloth caused by the blasting work.

Description

Technical Field

[0001] The utility model belongs to the technical field of underground mine excavation, and in particular relates to an underground mine wind tube cloth hanging and telescopic device. Background Art

[0002] During underground mine excavation construction, auxiliary ventilation is an important means to dilute and discharge toxic and harmful gases and dust in the mine.

[0003] According to the "Safety Regulations for Metals and Non-metals" and the "Design of Safety Facilities", the air duct cloth of the push-type fan for mechanical ventilation in underground mines shall not be more than 10m away from the working face, and the air duct cloth of the exhaust-type fan shall not be more than 5m away from the working face. Therefore, during the excavation process of underground mines, the air duct cloth is very easy to be damaged due to the impact of blasting.

[0004] The common way to hang the air duct cloth is to pass the eye of the air duct cloth through the guide rail fixed on the wall of the tunnel. In order to ensure the quality of air output, the air duct cloth cannot be moved near the working face. After excavation and blasting, the air duct cloth near the working face is easily damaged. The damaged air duct cloth not only fails to achieve a good ventilation effect but also requires a lot of work to replace it later.

[0005] Therefore, in order to reduce the damage of the air duct cloth, ensuring the ventilation quality of the working surface is an urgent problem to be solved. Utility Model Content

[0006] The utility model aims to provide an underground mine wind duct cloth suspension and extension device to solve the problem that the existing suspended wind duct cloth cannot be extended and retracted during excavation and blasting work, so that the working face end is easily damaged, resulting in poor ventilation effect.

[0007] The utility model is realized by the following technical solutions:

[0008] The underground mine wind tube cloth suspension and telescopic device includes:

[0009] The air duct cloth is suspended on the guide rail and can slide along the length direction of the guide rail. A first fixing frame is arranged at the front end of the air duct cloth, and a first sliding groove is arranged along the radial direction of the air duct cloth on the first fixing frame. A second fixing frame is fixedly arranged at the rear end of the air duct cloth, and a second sliding groove is arranged along the radial direction of the air duct cloth on the second fixing frame.

[0010] The telescopic frame is arranged on the outer side wall of the air duct cloth, the telescopic frame is formed by connecting a plurality of scissor bracket units, and the adjacent scissor bracket units are hinged, the active driving end of the telescopic frame is arranged in the second slide groove and slides with the second fixed frame, and the driven driving end of the telescopic frame is arranged in the first slide groove and slides with the first fixed frame;

[0011] The driving mechanism is used to drive the active driving end to slide relatively in the second sliding groove.

[0012] In some embodiments, the scissors support unit includes a connecting plate and four symmetrically arranged connecting rods, wherein the two ends of the connecting rod are a hinge end and a gear end respectively, the connecting rod is provided with a gear at the gear end, and the gear is rotationally connected to the connecting plate, and two adjacent connecting rods are connected at the gear end through gear meshing.

[0013] In some embodiments, the driving mechanism includes a driving member and a driving assembly. The driving member includes two driving rods. One end of the two driving rods is hinged to the active driving end respectively, and the other end is hinged to the driving assembly. A four-bar mechanism is formed between the two driving rods and the scissors bracket unit. The driving assembly is used to drive one end of the driving rod connected to the driving assembly to move along the length direction of the air duct cloth.

[0014] In some embodiments, the drive assembly includes:

[0015] A fixed frame, which is fixedly arranged at the rear end port of the air duct cloth, and has a U-shaped frame structure;

[0016] The motor is fixedly arranged on a fixed frame plate;

[0017] A lead screw, one end of which is rotatably disposed on the left side plate of the fixed frame and connected to the rotating shaft of the motor;

[0018] The motion component is arranged in the fixed frame and can only move along the length direction of the fixed frame. The lead screw is connected to the motion component by threaded transmission, and the driving member is connected to the motion component.

[0019] In some embodiments, a first rack is provided on the inner wall of the upper side plate and the lower side plate of the fixed frame, and the motion assembly includes:

[0020] The primary frame is a frame-shaped structure with one end open. The left side wall of the primary frame is threadedly connected to the lead screw. The upper side plate and the lower side plate of the primary frame are rotatably provided with primary gears, which are meshingly connected with the first rack on the fixed frame.

[0021] The secondary frame is arranged in the frame of the primary frame, the secondary frame is connected to the telescopic frame, and the outer walls of the upper side plate and the lower side plate of the secondary frame are provided with a second rack that meshes with the primary gear on the primary frame.

[0022] In some embodiments, gears are respectively provided at one end of the two driving rods connected to the driving assembly, and the two driving rods are meshedly connected at this end.

[0023] In some embodiments, the scissor support units are respectively suspended on the guide rails and can slide along the length direction of the guide rails.

[0024] In some embodiments, the second fixing frame is fixedly disposed on the fixing frame at the rear end port of the air duct cloth.

[0025] In some embodiments, the air duct cloth is suspended on the guide rail by metal rings at multiple locations along its length.

[0026] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0027] The utility model arranges a telescopic frame on the outside of the wind tube cloth, arranges the active driving end of the telescopic frame in the second slide groove and slides with the second fixed frame, arranges the driven driving end of the telescopic frame in the first slide groove and slides with the first fixed frame, and drives the active driving end to slide relatively in the second slide groove through a driving mechanism, converts the up and down movement of the hinged end of the scissor bracket unit into telescopic movement in the length direction of the telescopic frame, and then drives the wind tube cloth to be telescoped in the length direction; the device has a simple structure, is easy to produce and manufacture, and has low cost. When carrying out excavation and blasting work, the telescopic and expansion of the wind tube cloth is realized through the cooperation of the telescopic frame and the driving mechanism, and the damage to the wind tube cloth caused by the blasting work is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0030] Figure 2 A detailed schematic diagram of a driving rod in an embodiment of the utility model;

[0031] Figure 3 It is a detailed schematic diagram of the scissor support unit in an embodiment of the utility model.

[0032] Wherein: 1. driving mechanism, 11. fixed frame, 111. first rack, 12. primary frame, 121. primary gear, 131. secondary frame, 132. second rack, 133. driving rod, 14. lead screw;

[0033] 2. Air duct cloth;

[0034] 3. telescopic frame, 31. scissor bracket unit, 32. connecting rod, 33. active driving end, 34. driven driving end, 35. connecting plate;

[0035] 4. Guide rails;

[0036] 5. a first fixed frame, 51. a first slide slot;

[0037] 6. A second fixed frame. 61. A second slide groove. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments.

[0039] Example 1

[0040] like Figures 1 to 3 As shown, the underground mine wind tube cloth suspension telescopic device includes:

[0041] The air duct cloth 2 is suspended on the guide rail 4 and can slide along the length direction of the guide rail 4. A first fixing frame 5 is arranged at the front end of the air duct cloth 2. The first fixing frame 5 is provided with a first slide groove 51 arranged along the radial direction of the air duct cloth 2. A second fixing frame 6 is fixedly arranged at the rear end of the air duct cloth 2. The second fixing frame 6 is provided with a second slide groove 61 arranged along the radial direction of the air duct cloth 2.

[0042] The telescopic frame 3 is arranged on the outer side wall of the air duct cloth 2. The telescopic frame 3 is formed by connecting a plurality of scissor bracket units 31 and the adjacent scissor bracket units 31 are hinged. The active driving end 33 of the telescopic frame 3 is arranged in the second slide groove 61 and slides with the second fixed frame 6. The driven driving end 34 of the telescopic frame 3 is arranged in the first slide groove 51 and slides with the first fixed frame 5.

[0043] The driving mechanism 1 is used to drive the active driving end 33 to slide relatively in the second sliding groove 61 .

[0044] In this embodiment, a telescopic frame 3 is arranged on the outside of the wind tube cloth 2, an active driving end 33 of the telescopic frame 3 is arranged in the second slide groove 61 and slides with the second fixed frame 6, and a driven driving end 34 of the telescopic frame 3 is arranged in the first slide groove 51 and slides with the first fixed frame 5, and the active driving end 33 is driven by the driving mechanism 1 to slide relatively in the second slide groove 61, and the up and down movement of the hinged end of the scissor bracket unit 31 is converted into a telescopic movement in the length direction of the telescopic frame 3, thereby driving the telescopic movement of the wind tube cloth 2 in the length direction; the device has a simple structure, is easy to manufacture, and has low cost. When performing excavation and blasting work, the telescopic movement of the wind tube cloth 2 is achieved through the cooperation of the telescopic frame 3 and the driving mechanism 1, thereby avoiding damage to the wind tube cloth 2 caused by the blasting work.

[0045] like Figure 3 As shown, the scissor support unit 31 includes a connecting plate 35 and four symmetrically arranged connecting rods 32, the two ends of the connecting rod 32 are respectively a hinge end and a gear end, the connecting rod 32 is provided with a gear at the gear end, and the gear is rotatably connected to the connecting plate 35, and two adjacent connecting rods 32 are connected by gear meshing at the gear end. Through the cooperation of multiple gears, the meshing cooperation of adjacent scissor support units 31 is more stable, and the up and down movement of the hinge end of the telescopic frame 3 is more flexible, which is more conducive to the extension and shortening of the telescopic frame 3.

[0046] The scissor bracket units 31 are respectively suspended on the guide rails 4 and can slide along the length direction of the guide rails 4. When the telescopic frame 3 is long, the telescopic frame 3 may bend downward under the action of its gravity. Suspending the telescopic frame 3 along the guide rails 4 can reduce the influence of the gravity of the telescopic frame 3, further improve the stability of the telescopic frame 3, and also reduce the tearing force of the telescopic frame 3 on the air duct cloth 2, indirectly protecting the air duct cloth 2 and extending the service life of the air duct cloth 2.

[0047] Example 2

[0048] like Figure 1 As shown, the driving mechanism 1 includes a driving member and a driving assembly. The driving member includes two driving rods 133. One end of the two driving rods 133 is hinged to the active driving end 33 respectively, and the other end is hinged to the driving assembly. A four-link 32 mechanism is formed between the two driving rods 133 and the scissor bracket unit 31. The driving assembly is used to drive one end of the driving rod 133 connected to the driving assembly to move along the length direction of the wind tube cloth 2. Through the driving rod 133, the active driving end 33 connected to the driving rod 133 is caused to move relative to each other in the second slide groove 61, thereby causing the telescopic frame 3 to perform telescopic movement, thereby driving the wind tube cloth 2 to perform telescopic movement.

[0049] The drive components include:

[0050] A fixed frame 11, which is fixedly arranged at the rear end port of the air duct cloth 2, and is a U-shaped frame structure;

[0051] The motor is fixedly arranged on a fixed frame plate;

[0052] A lead screw 14, one end of which is rotatably disposed on the left side plate of the fixed frame 11 and connected to the rotating shaft of the motor;

[0053] The moving component is arranged in the fixed frame 11 and can only move along the length direction of the fixed frame 11. The lead screw 14 is threadedly connected to the moving component, and the driving member is connected to the moving component.

[0054] The motor drives the lead screw 14 to rotate, driving the moving assembly to move along the longitudinal direction of the lead screw 14, and further driving the end of the driving rod 133 connected to the driving assembly to move along the length direction of the air duct cloth 2.

[0055] The first rack 111 is provided on the inner wall of the upper side plate and the lower side plate of the fixed frame 11, and the motion assembly includes:

[0056] The primary frame 12 is a frame-shaped structure with one end open. The left side wall of the primary frame 12 is threadedly connected to the lead screw 14. The upper side plate and the lower side plate of the primary frame 12 are rotatably provided with primary gears 121, respectively. The primary gears 121 are meshingly connected with the first racks 111 on the fixed frame 11;

[0057] The secondary frame 131 is arranged in the frame body of the primary frame 12, and the secondary frame 131 is connected to the telescopic frame 3. The outer walls of the upper side plate and the lower side plate of the secondary frame 131 are provided with a second rack 132 that meshes with the primary gear 121 on the primary frame 12.

[0058] Example 3

[0059] like Figure 2 As shown, one end of the two driving rods 133 connected to the driving assembly is respectively provided with a gear, and the two driving rods 133 are meshedly connected at this end through the gears. Through the meshing connection of the two driving rods 133, when the motion assembly drives the two driving rods 133 to move along the axial direction of the wind tube cloth 2, the two driving rods 133 can rotate synchronously, thereby causing the active driving end 33 of the telescopic frame 3 connected to the driving rod 133 to undergo synchronous relative movement.

[0060] like Figure 1 As shown, the second fixing frame 6 is fixedly arranged on the fixing frame 11 at the rear end port of the air duct cloth 2, so that the structure of the U-shaped fixing frame 11 is more stable.

[0061] The air duct cloth 2 is suspended on the guide rail 4 at multiple positions along its length direction through metal rings, which increases the stability of the suspension.

[0062] The motion principle of this embodiment is:

[0063] The motor drives the lead screw 14 to rotate, and the first-level frame 12 threadedly connected to the lead screw 14 cooperates with the first-level gear 121 and the first rack 111 on the fixed frame 11, so that the first-level frame 12 can move along the laying direction of the first rack 111, thereby driving the second-level frame 131 that is arranged in cooperation with the first-level gear 121 of the first-level frame 12 to move along the laying direction of the first rack 111, and the second-level frame 131 is connected to the active driving end 33 of the telescopic frame 3, and the second-level frame 131 drives the active driving end 33 of the telescopic frame 3 to slide relatively in the second slide groove 61, and converts the up and down movement of the hinged end of the scissors bracket unit 31 into the telescopic movement in the length direction of the telescopic frame 3, thereby driving the extension and retraction of the wind tube cloth 2 in the length direction.

[0064] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. used to indicate the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship in which the utility model product is usually placed when used. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model.

[0065] In addition, if the terms "horizontal" or "vertical" appear in the description of the present invention, it does not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0066] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0067] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. The underground mine wind tube cloth suspension and telescopic device is characterized by: include: A wind tube cloth (2), the wind tube cloth (2) being suspended on a guide rail (4) and being able to slide along the length direction of the guide rail (4), a first fixing frame (5) being arranged at a front end port of the wind tube cloth (2), a first sliding groove (51) being arranged along a radial direction of the wind tube cloth (2) being arranged on the first fixing frame (5), a second fixing frame (6) being fixedly arranged at a rear end port of the wind tube cloth (2), a second sliding groove (61) being arranged along a radial direction of the wind tube cloth (2) being arranged on the second fixing frame (6); A telescopic frame (3), the telescopic frame (3) being arranged on the outer side wall of the wind tube cloth (2), the telescopic frame (3) being formed by connecting a plurality of scissor-type bracket units (31), and adjacent scissor-type bracket units (31) being hinged, an active driving end (33) of the telescopic frame (3) being arranged in a second slide groove (61) and slidingly engaged with a second fixed frame (6), and a passive driving end (34) of the telescopic frame (3) being arranged in a first slide groove (51) and slidingly engaged with a first fixed frame (5); A driving mechanism (1), wherein the driving mechanism (1) is used to drive the active driving end (33) to slide relatively in the second sliding groove (61).

2. The underground mine wind tube cloth suspension and telescopic device according to claim 1 is characterized in that: The scissor support unit (31) comprises a connecting plate (35) and four symmetrically arranged connecting rods (32), the two ends of the connecting rod (32) being a hinged end and a gear end respectively, the connecting rod (32) being provided with a gear at the gear end, and the gear is rotatably connected to the connecting plate (35), and two adjacent connecting rods (32) are connected at the gear end via gear meshing.

3. The underground mine wind tube cloth suspension and telescopic device according to claim 1 is characterized in that: The driving mechanism (1) comprises a driving member and a driving assembly, wherein the driving member comprises two driving rods (133), one end of the two driving rods (133) being respectively hinged to an active driving end (33), and the other end being hinged to the driving assembly, a four-linkage (32) mechanism being formed between the two driving rods (133) and the scissor bracket unit (31), and the driving assembly being used to drive one end of the driving rod (133) connected to the driving assembly to move along the length direction of the wind tube cloth (2).

4. The underground mine wind tube cloth suspension and telescopic device according to claim 3 is characterized in that: The drive assembly comprises: A fixed frame (11), the fixed frame (11) being fixedly arranged at a rear end port of the air duct cloth (2), the fixed frame (11) being a U-shaped frame structure; A motor, wherein the motor is fixedly mounted on a fixed frame plate; A lead screw (14), one end of which is rotatably disposed on a left side plate of the fixed frame (11) and is connected to a rotating shaft of the motor; A motion component is disposed in a fixed frame (11) and can only move along the length direction of the fixed frame (11); the lead screw (14) is connected to the motion component by threaded transmission; and the drive member is connected to the motion component.

5. The underground mine wind tube cloth suspension and telescopic device according to claim 4 is characterized in that: A first rack (111) is provided on the inner walls of the upper side plate and the lower side plate of the fixed frame (11), and the motion component comprises: A primary frame (12), the primary frame (12) being a frame-shaped structure with one end open, the left side wall of the primary frame (12) being threadedly connected to the lead screw (14), the upper side plate and the lower side plate of the primary frame (12) being rotatably provided with primary gears (121), the primary gears (121) being meshingly connected to the first racks (111) on the fixed frame (11); A secondary frame (131), the secondary frame (131) being arranged in a frame body of the primary frame (12), the secondary frame (131) being connected to the telescopic frame (3), and a second rack (132) meshing with a primary gear (121) on the primary frame (12) being arranged on outer walls of an upper side plate and a lower side plate of the secondary frame (131).

6. The underground mine wind tube cloth suspension and telescopic device according to claim 3 is characterized in that: One end of the two driving rods (133) connected to the driving assembly is respectively provided with a gear, and the two driving rods (133) are meshedly connected at this end via the gears.

7. The underground mine wind tube cloth suspension and telescopic device according to claim 1 is characterized in that: The scissor support units (31) are respectively suspended on the guide rails (4) and are capable of sliding along the length direction of the guide rails (4).

8. The underground mine wind tube cloth suspension and telescopic device according to claim 4 is characterized in that: The second fixing frame (6) is fixedly arranged on the fixing frame (11) at the rear end port of the air duct cloth (2).

9. The underground mine wind tube cloth suspension and telescopic device according to claim 1, characterized in that: The air duct cloth (2) is suspended on the guide rail (4) via metal rings at multiple positions along its length direction.

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