Mining balance air door structure

Abstract

The utility model discloses a mining balance air door structure, and relates to the technical field of mining balance air doors. The door comprises a door frame and further comprises a fixed door fixedly arranged on the inner side of the door frame, a movable door is distributed on the other side of the fixed door, a rotating door is rotationally connected to the inner side of the movable door, an air cylinder is fixedly arranged on the inner side of the bottom of the rotating door, and the output end of the air cylinder is connected with a shaft rod; by arranging the movable door, the rotating door, the rotating blade, the air cylinder and other structures, the rotating door or the movable door can be conveniently and selectively opened subsequently according to actual use requirements, meanwhile, the pressure difference between the two sides of the air door can be adjusted through the rotating rotating blade, and when the pressure difference between the two sides of the air door is too large, the rotating blade is rotated, so that the air door is opened. According to the air door, circulation of air on the two sides of the air door is achieved, then adjustment of the pressure intensity difference can be achieved, follow-up better movement of moving the air door or rotating the air door can be conveniently achieved, and operators can conveniently pass through the air door.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of mine balance air door, especially relates to a mine balance air door structure. BACKGROUND

[0002] The promotion of the degree of automation of coal mines and the informatization management improve the efficiency of underground operation, and the negative pressure in the underground roadway of some mines with deep shafts and high gas concentration is very large. The single-leaf air door indispensable in the roadway is difficult to open under pressure and has high accident risks. Therefore, a balance air door needs to be designed and used to replace the previous single-leaf air door.

[0003] Most of the air doors on the market currently push connecting rods by the work of air cylinders, and then realize the opposite movement of the air doors on both sides by the linkage between the connecting rods. However, the air doors on both sides move in opposite directions, so when the pressure difference between the two sides of the air door is large, it will affect the opposite rotation of the air doors on both sides, thereby affecting the normal opening of the subsequent air door. Moreover, when the opening amplitude of the air door is large, the air door will be difficult to effectively close under the action of a large pressure, so the overall practicability is poor. CONTENT OF THE UTILITY MODEL

[0004] In view of the above-mentioned shortcomings of the prior art, the utility model provides a mine balance air door structure which can effectively solve the problems of the prior art.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model discloses a mine balance air door structure, which comprises a door frame, a fixed door fixedly arranged on the inner side of the door frame, a movable door distributed on the other side of the fixed door, a rotating door rotatably connected to the inner side of the movable door, an air cylinder fixedly arranged on the bottom inner side of the rotating door, a shaft rod connected to the output end of the air cylinder, a linkage rod fixedly arranged on one side of the shaft rod, a connecting rod rotatably connected to the side wall of the linkage rod, a rotating shaft distributed on the side of the connecting rod away from the linkage rod, a rotating blade connected to the other end of the connecting rod, and a linkage structure arranged at one end of the movable door.

[0007] Further, the linkage structure comprises a guide block, an annular groove, a rack and a sliding bar, the guide block is fixedly arranged on the bottom of the movable door, the annular groove is arranged on the inner side wall of the top end of the movable door close to the rotating door, the rack is fixedly arranged on the top end of the movable door, and the sliding bar is fixedly arranged on the surface of one end of the movable door.

[0008] Further, a support is fixedly arranged on the top of one end of the door frame, an electric motor is fixedly arranged on the end of the support away from the door frame, and a driving gear is connected to the output end of the electric motor.

[0009] Further, one end surface of the door frame is provided with a sliding rail, and a bottom of the door frame is provided with a guide groove.

[0010] Further, the shaft rod is rotatably connected with the linkage rod through a bearing seat, and the linkage rod is symmetrically distributed along a vertical center line of the shaft rod.

[0011] Further, one end of the connecting rod is rotatably connected with the linkage rod through a bearing seat, and the other end of the connecting rod, which is away from the linkage rod and close to the rotating leaf, is rotatably connected with the rotating door through a rotating shaft.

[0012] The utility model has the advantages of the following beneficial effects:

[0013] The utility model discloses the structure of mobile door, rotating door, rotating leaf and air cylinder can conveniently select the rotating door or mobile door according to actual use demand, and the rotating leaf can adjust the pressure difference of both sides of the door, when the pressure difference of both sides of the door is too large, the rotating leaf is rotated, the gas circulation of both sides of the door is realized, and the pressure difference is adjusted, so that the movement of the mobile door or the rotating door can be better realized, and the operator can conveniently pass through. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to make the technical scheme of the embodiments of the utility model clearer, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the drawings without paying creative labor.

[0015] Figure 1 It is the schematic diagram of the utility model;

[0016] Figure 2 It is the rear view schematic diagram of the door frame of the utility model;

[0017] Figure 3 It is the side view schematic diagram of the mobile door of the utility model;

[0018] Figure 4 It is the side view schematic diagram of the rotating door of the utility model;

[0019] Figure 5 It is the utility model Figure 4 It is the enlarged schematic diagram of A in the utility model;

[0020] Figure 6 It is the sectional view schematic diagram of the mobile door of the utility model.

[0021] In the drawings, the component list represented by each sign is as follows:

[0022] 1, door frame; 2, fixed door; 3, moving door; 4, rotating door; 5, air cylinder; 6, shaft; 7, linkage; 8, connecting rod; 9, rotating shaft; 10, rotating blade; 11, guide block; 12, annular groove; 13, rack; 14, sliding bar; 15, bracket; 16, motor; 17, driving gear; 18, sliding rail; 19, guide groove; 20, stop rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model.

[0024] Please refer to Figures 1-6 As shown in the figure, the utility model discloses a mine balance air door structure, including door frame 1, still include: the inboard of door frame 1 is fixed with fixed door 2, and the other side of fixed door 2 is distributed with moving door 3, the inboard of moving door 3 is rotatably connected with rotating door 4, and the bottom inboard of rotating door 4 is fixed with air cylinder 5, rotating door 4 is rotatably connected between bearing seat and moving door 3, the output end of air cylinder 5 is connected with shaft 6, and one side of shaft 6 is fixed with linkage 7, the side wall of linkage 7 is rotatably connected with connecting rod 8, and the side, away from linkage 7, of connecting rod 8 is distributed with rotating shaft 9, one end of connecting rod 8 is connected with rotating blade 10, one end of moving door 3 is provided with linkage structure, the top end of rotating door 4 is fixed with stop rod 20;

[0025] When working, rotating door 4 will be rotatable between the bearing seat set in the middle of both ends and moving door 3 when using, and the rotation of rotating door 4 will drive the stop rod 20 set on the top end side to rotate, at this time, the stop rod 20 does circular motion and moves in the inboard of annular groove 12, and the annular groove 12 set in cooperation can limit the purpose of stop rod 20, so that the movement state of rotating door 4 can reach the perpendicular state with moving door 3 at most, and when the pressure difference of both sides of rotating door 4 is large and affects the normal use of subsequent air door, air cylinder 5 works to push the shaft 6 fixedly connected at the bottom, and because shaft 6 is rotatably connected between bearing seat and linkage 7, so shaft 6 will push linkage 7 when moving longitudinally, and then make linkage 7 drive connecting rod 8 to move, at this time, one end of connecting rod 8 rotates around linkage 7 through bearing seat, and the other side rotates around rotating door 4 through rotating shaft 9, and then realizes the movement of rotating blade 10 under the action of connecting rod 8, realizes the parallel setting between multiple rotating blades 10, at this time, the slot in the bottom of rotating door 4 can realize the circulation of gas on both sides of air door, so as to adjust the pressure on both sides of air door, and facilitate better realization of the opening and closing of air door.

[0026] The linkage structure comprises a guide block 11, an annular groove 12, a rack 13 and a sliding bar 14. The guide block 11 is fixed to the bottom of the movable door 3. The annular groove 12 is arranged on the inner side wall of the movable door 3 near the top end of the rotating door 4. The rack 13 is fixed to the middle of the top end of the movable door 3. The sliding bar 14 is fixed to one end surface of the movable door 3. The outer diameter of the sliding bar 14 is matched with the inner diameter of the sliding rail 18.

[0027] During operation, when the movable door 3 moves horizontally, the guide block 11 fixed to the bottom of the movable door 3 moves horizontally along the guide groove 19 arranged on the bottom of the door frame 1, and the sliding bar 14 moves horizontally along the inner side of the sliding rail 18. The sliding bar 14 arranged in cooperation with the guide block 11 improves the stability of the movable door 3 during horizontal movement. The annular groove 12 is arranged to limit the position of the stop rod 20.

[0028] The bracket 15 is fixed to the top of one end of the door frame 1. The motor 16 is fixed to the end of the bracket 15 away from the door frame 1. The output end of the motor 16 is connected with the driving gear 17. The driving gear 17 is connected with the rack 13 through the multiple teeth equidistantly arranged on the surface of the driving gear 17. The driving gear 17 is symmetrically distributed along the vertical center line of the door frame 1.

[0029] During operation, the motor 16 drives the driving gear 17 connected with the output end of the motor 16 to rotate. Since the driving gear 17 is connected with the rack 13, the horizontal movement of the rack 13 can be realized by the rotation of the driving gear 17. The horizontal movement of the movable door 3 can be realized by the horizontal movement of the rack 13.

[0030] The sliding rail 18 is arranged on the surface of one end of the door frame 1. The guide groove 19 is arranged on the bottom of the door frame 1.

[0031] During operation, the horizontal movement of the movable door 3 drives the sliding bar 14 to slide along the sliding rail 18. The guide block 11 arranged on the bottom of the movable door 3 moves horizontally along the guide groove 19. The stability of the movable door 3 during horizontal movement is improved.

[0032] The shaft 6 is connected with the linkage rod 7 through the bearing seat. The linkage rod 7 is symmetrically distributed along the vertical center line of the shaft 6. The linkage rod 7 is symmetrically distributed along the vertical center line of the shaft 6.

[0033] During operation, the shaft 6 moves longitudinally under the action of the cylinder 5. At this time, the longitudinal movement of the shaft 6 drives the linkage rod 7 to move longitudinally, which facilitates the movement of the connecting rod 8 driven by the linkage rod 7.

[0034] One end of the connecting rod 8 is rotatably connected with the linkage rod 7 through a bearing block, and the other end of the connecting rod 8 is rotatably connected with the rotating door 4 through a rotating shaft 9;

[0035] In operation, the linkage rod 7 moves longitudinally under the pressing of the shaft rod 6, and the connecting rod 8 rotates around the rotating door 4 under the action of the linkage rod 7, so as to rotate the rotating leaf 10, thereby facilitating the closing and opening of the slot at the bottom of the rotating door 4.

[0036] In operation, the rotating door 4 rotates between the bearing blocks arranged at the middle of the two ends and the moving door 3, and the rotating door 4 drives the stop rod 20 arranged at the top end to rotate, and the stop rod 20 moves in a circular motion and moves inside the annular groove 12, and the annular groove 12 limits the movement of the stop rod 20, so that the rotating door 4 moves perpendicularly to the moving door 3. When the pressure difference between the two sides of the rotating door 4 is large and affects the normal use of the air door, the cylinder 5 drives the shaft rod 6 fixedly connected at the bottom to move longitudinally, and the shaft rod 6 drives the linkage rod 7 to move longitudinally, and the linkage rod 7 drives the connecting rod 8 to move, and one end of the connecting rod 8 rotates around the linkage rod 7 through the bearing block, and the other end rotates around the rotating door 4 through the rotating shaft 9, and the rotating leaf 10 moves under the action of the connecting rod 8, and the rotating leaves 10 are arranged in parallel, and the slot at the bottom of the rotating door 4 allows the gas to flow between the two sides of the air door, so as to adjust the pressure between the two sides of the air door, and facilitate the opening and closing of the air door. When the moving door 3 needs to move horizontally, the motor 16 drives the driving gear 17 connected to the output end to rotate, and the driving gear 17 and the rack 13 are engaged, so that the rack 13 moves horizontally under the rotation of the driving gear 17, and the moving door 3 moves horizontally under the horizontal movement of the rack 13. The guide block 11 fixedly arranged at the bottom of the moving door 3 slides horizontally along the guide groove 19 arranged at the bottom of the door frame 1, and the sliding bar 14 slides horizontally along the inner side of the sliding rail 18, and the guide block 11 and the sliding bar 14 improve the stability of the moving door 3 during horizontal movement, and the annular groove 12 limits the movement of the stop rod 20.

[0037] The above are only preferred embodiments of the present application, and do not limit the present application, any modification to the technical solutions recorded in the foregoing embodiments, equivalent replacement of part of the technical features, any modification, equivalent replacement, improvement made, all belong to the protection scope of the present application.

Claims

1. A mine balance damper structure comprising a door frame (1), characterized in that, Also include: The inner side of the door frame (1) is fixed with a fixed door (2), and the other side of the fixed door (2) is distributed with a movable door (3), the inner side of the movable door (3) is rotatably connected with a rotating door (4), and the bottom of the rotating door (4) is fixed with a cylinder (5), the output end of the cylinder (5) is connected with a shaft rod (6), and the one side of the shaft rod (6) is fixed with a linkage rod (7), the side wall of the linkage rod (7) is rotatably connected with a connecting rod (8), and the side of the connecting rod (8) away from the linkage rod (7) is distributed with a rotating shaft (9), the other end of the connecting rod (8) is connected with a rotating blade (10), one end of the movable door (3) is provided with a linkage structure.

2. The balanced air door structure for a mine according to claim 1, characterized in that, The linkage structure comprises a guide block (11), an annular groove (12), a rack (13) and a sliding bar (14), the guide block (11) is fixed on the bottom of the movable door (3), the inner wall of the movable door (3) near the top end of the rotating door (4) is provided with an annular groove (12), the top end of the movable door (3) is fixed with a rack (13), and the surface of one end of the movable door (3) is fixed with a sliding bar (14).

3. The balanced air door structure for a mine as claimed in claim 1, wherein The one end of the door frame (1) is fixed with a support (15), and the other end of the support (15) is fixed with a motor (16), and the output end of the motor (16) is connected with a driving gear (17).

4. The balanced air door structure for a mine as claimed in claim 1, wherein The surface of one end of the door frame (1) is provided with a sliding rail (18), the bottom of the door frame (1) is provided with a guide groove (19), and the top end of the rotating door (4) is fixed with a blocking rod (20).

5. The balanced air door structure for a mine as claimed in claim 1, wherein The shaft rod (6) is rotatably connected with the linkage rod (7) through a bearing seat, and the linkage rod (7) is symmetrically distributed along the vertical center line of the shaft rod (6).

6. The balanced air door structure for a mine as claimed in claim 1, wherein One end of the connecting rod (8) is rotatably connected with the linkage rod (7) through a bearing seat, and the end of the connecting rod (8) away from the linkage rod (7) is rotatably connected with the rotating door (4) through the rotating shaft (9).

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