CN219139112U - Pneumatic automatic air door device - Google Patents

Abstract

The utility model discloses a pneumatic automatic air door device which comprises a fixed shell, wherein sliding grooves are formed in two sides of the front side and the rear side of an inner cavity of the fixed shell, a lifting mechanism is fixedly connected to the right side of the fixed shell, the lifting mechanism comprises a motor and two wind shields, the left side of the motor is fixedly connected with the right side of the fixed shell, positioning rods are fixedly connected to two sides of the bottom of the fixed shell, and supporting rods are fixedly connected to the opposite sides of the two positioning rods. According to the utility model, the problems of low tightness and high wind resistance of the existing automatic air door, which are caused by the threat to the life safety of staff, are solved by arranging the fixing shell, the sliding groove, the lifting mechanism, the positioning rod, the supporting rod, the limiting frame, the positioning plate, the air cylinder, the adjusting bracket, the automatic air door body, the sealing plate, the induced draft shell, the guide plate, the air inlet groove, the air exhaust groove, the L-shaped fixing block and the limiting block to be matched.

Description

Pneumatic automatic air door device

Technical Field

The utility model belongs to the technical field of coal mines, and particularly relates to a pneumatic automatic air door device.

Background

The coal mining method is characterized in that a human is used for mining coal resources in a mining area rich in coal and is generally divided into an underground coal mine and an open pit coal mine, when a coal seam is far away from the ground surface, coal is generally selected to be mined into an underground mining roadway, the underground coal mine is generally selected to be mined by directly stripping off a ground surface soil layer, and when the coal seam is very close to the ground surface, the open pit coal mine is generally selected, and an automatic air door is required to be used for protecting staff during mining of the coal mine, so that a pneumatic automatic air door device is required to be used in the technical field of the coal mine.

For example, application number: the utility model relates to CN202122336915.8, which belongs to the technical field of automatic air doors, in particular to an automatic air door for underground coal mines, comprising a door frame, wherein a door plate I is arranged on the inner wall surface of the door frame, a door plate II is arranged on the inner wall surface of the door frame, an L-shaped connecting rod I is fixedly connected to the surface of the door plate I, an L-shaped connecting rod II is fixedly connected to the surface of the door plate II, a hydraulic push rod is movably connected to the side surface of the door frame, a bearing rod is rotatably connected to the surface of the L-shaped connecting rod I, and an emergency escape device is arranged on the side surface of the door plate II; the rotation of the anti-slide rod enables the toothed plate to move upwards, so that the inner wall surface of the built-in chute of the square door is driven to slide, the square door can slide on the inner wall surface of the built-in chute when an automatic air door cannot be opened due to an accident under a coal mine, the escape of workers is facilitated when the accident occurs, and the friction force generated in the sliding process of the inner wall surface of the built-in chute of the square door is reduced.

Based on the searching of the patent and combining the discovery of the automatic air door in the prior art, when the automatic air door is applied, although the square door can slide on the inner wall surface of the built-in chute when the automatic air door cannot be opened due to the occurrence of accidents under the coal mine, the square door is convenient for workers to escape when the accidents happen, but the square door in the case has limited size, and the efficiency of the workers to escape is slower under the emergency condition, so that the life safety of the workers is threatened.

According to the pneumatic automatic air door device provided by the utility model, the air cylinder drives the adjusting bracket to open the automatic air door, but when the resistance of air is large, the opening speed of the automatic air door can be influenced, so that the life safety of workers is threatened, at the moment, the upper side and the lower side of the wind direction automatic air door can be guided open through the induced air shell, the resistance is reduced, the automatic air door is convenient to open, the sealing performance of the traditional automatic air door is poor, and the sealing performance of the automatic air door can be improved by driving the wind shield to move upwards through the lifting mechanism.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model provides a pneumatic automatic air door device, which is provided with an air guide for the upper side and the lower side of an automatic air door, so that the problem that the opening speed of the automatic air door is influenced due to larger wind resistance is solved, and the air shield is driven to move upwards by a lifting mechanism, so that the sealing performance of the automatic air door can be improved, and the problems that the sealing performance of the traditional automatic air door is poor, and when the wind resistance is large, the opening speed of the automatic air door is reduced, so that the life safety of workers is threatened are solved.

The utility model discloses a pneumatic automatic air door device, which comprises a fixed shell, wherein sliding grooves are formed in the front side and the rear side of an inner cavity of the fixed shell, a lifting mechanism is fixedly connected to the right side of the fixed shell, the lifting mechanism comprises a motor and two wind shields, the left side of the motor is fixedly connected with the right side of the fixed shell, positioning rods are fixedly connected to the two sides of the bottom of the fixed shell, supporting rods are fixedly connected to the opposite sides of the two positioning rods, a limiting frame is fixedly connected between the opposite sides of the two supporting rods, the bottom of the limiting frame is fixedly connected with the top of the fixed shell, a positioning plate is fixedly connected to the left side of the top of the front side of the limiting frame, an air cylinder is arranged at the top of the positioning plate, an adjusting bracket is arranged on the right side of the air cylinder, automatic air door bodies are fixedly connected to the rear side of the adjusting bracket, the two sides of the two automatic air door bodies are movably connected with the front sides of the limiting frame through shaft pins, sealing plates are arranged on the opposite sides of the two automatic air door bodies, a limiting frame is fixedly connected to the two air guide plates are fixedly connected to the front sides of the two automatic air door bodies, a guide shell is fixedly connected to the front side of the air guide shell, and the air guide shell is fixedly connected to the front side of the air guide shell is provided with an air guide groove.

As the preferable mode of the utility model, the output end of the motor is fixedly connected with a first transmission rod, the left side of the first transmission rod penetrates through the inner cavity of the fixed shell and is movably connected with the inner wall of the fixed shell, the surface of the first transmission rod is sleeved with first gears, the number of the first gears is two, the rear sides of the two first gears are respectively connected with a second gear in a meshed mode, the inner cavity of the second gear is fixedly connected with a second transmission rod, the two sides of the second transmission rod are respectively movably connected with the inner wall of the fixed shell, the opposite sides of the first gears and the second gears are respectively connected with a toothed plate in a meshed mode, the number of the toothed plates is four, and one side, far away from the first gears and the second gears, of the toothed plates is fixedly connected with wind shields, and one side, far away from the toothed plates, of the toothed plates is movably connected with the inner wall of the fixed shell.

As the preferable mode of the utility model, the surface of the motor is sleeved with the limiting ring, and the left side of the limiting ring is fixedly connected with the right side of the fixed shell.

As the preferable mode of the utility model, the left side of the first transmission rod and the two sides of the second transmission rod are movably connected with bearing seats, and one side, close to the fixed shell, of the bearing seat is fixedly connected with the inner wall of the fixed shell.

As the preferable mode of the utility model, the two sides of the opposite sides of the two wind shields are fixedly connected with the sliding blocks, and one side of the sliding blocks, which is far away from the wind shields, is movably connected with the inner wall of the chute.

As the preferable mode of the utility model, the front side and the rear side of the bottom of the limiting frame are fixedly connected with L-shaped fixing blocks, and one side of the L-shaped fixing blocks, which is far away from the limiting frame, is fixedly connected with the surface of the fixing shell.

As the preferable mode of the utility model, the top and the bottom of the two sides of the induced draft shell are fixedly connected with limiting blocks, and one side, close to the automatic air door body, of the limiting blocks is fixedly connected with the surface of the automatic air door body.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the problems of low tightness and high wind resistance of the existing automatic air door, which are caused by the threat to the life safety of staff, are solved by arranging the fixing shell, the sliding groove, the lifting mechanism, the positioning rod, the supporting rod, the limiting frame, the positioning plate, the air cylinder, the adjusting bracket, the automatic air door body, the sealing plate, the induced draft shell, the guide plate, the air inlet groove, the air exhaust groove, the L-shaped fixing block and the limiting block to be matched.

2. According to the utility model, through the cooperation of the motor, the first transmission rod, the first gear, the second transmission rod, the toothed plate and the wind shield, when a worker opens the automatic air door body, the air cylinder is firstly opened, the air cylinder drives the adjusting bracket to adjust when being opened, the automatic air door body is reversely opened through the adjusting bracket, when the wind resistance is large, the opening speed of the automatic air door body can be influenced, at the moment, the induced wind shell leads strong wind to the upper side and the lower side of the automatic air door body through the guide plate, the wind resistance of the automatic air door body is reduced, so that the automatic air door body is not influenced, the sealing performance of the existing automatic air door body is poor, when the automatic air door body is closed, the worker opens the motor, the output end of the motor drives the first transmission rod to rotate, the first transmission rod drives the first gear to rotate when rotating, and the first gear drives the second gear to rotate when the first gear and the second gear to drive the two wind shields to move upwards when rotating, the two wind shields move upwards to the bottom of the automatic air door body, the sealing performance of the automatic air door body can be improved, the motor ring is used, the sealing performance of the automatic air door body is prevented from falling off through the limit shaft, the limit shaft is used, the limit shaft is prevented from falling off when the limit shaft is used, and the limit slide is simultaneously, and when the limit slide is used.

3. According to the utility model, the L-shaped fixing block plays a role in fixing the limiting frame, meanwhile, the limiting frame is prevented from being displaced when in use, and the limiting block plays a role in fixing and limiting the induced air shell, and meanwhile, the induced air shell is prevented from falling off or being displaced when in use.

Drawings

FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present utility model;

fig. 2 is a front view of an induced draft shell structure according to an embodiment of the present utility model;

fig. 3 is a front cross-sectional view of a fixing case structure provided in an embodiment of the present utility model;

fig. 4 is a right side view of a lifting mechanism provided by an embodiment of the present utility model.

In the figure: 1. a fixed case; 2. a chute; 3. a lifting mechanism; 301. a motor; 302. a first transmission rod; 303. a first gear; 304. a second gear; 305. a second transmission rod; 306. a toothed plate; 307. a wind deflector; 308. a limiting ring; 309. a bearing seat; 310. a slide block; 4. a positioning rod; 5. a support rod; 6. a limiting frame; 7. a positioning plate; 8. a cylinder; 9. adjusting the bracket; 10. a damper body; 11. a sealing plate; 12. an induced draft shell; 13. an air inlet groove; 14. a deflector; 15. an exhaust groove; 16. an L-shaped fixed block; 17. and a limiting block.

Detailed Description

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.

The structure of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the pneumatic automatic air door device provided by the embodiment of the utility model comprises a fixed shell 1, wherein both sides of the front side and the rear side of an inner cavity of the fixed shell 1 are respectively provided with a chute 2, the right side of the fixed shell 1 is fixedly connected with a lifting mechanism 3, the lifting mechanism 3 comprises a motor 301 and two wind shields 307, the left side of the motor 301 is fixedly connected with the right side of the fixed shell 1, both sides of the bottom of the fixed shell 1 are respectively fixedly connected with a positioning rod 4, opposite sides of the two positioning rods 4 are respectively fixedly connected with a supporting rod 5, a limiting frame 6 is fixedly connected between opposite sides of the two supporting rods 5, the bottom of the limiting frame 6 is fixedly connected with the top of the fixed shell 1, the left side of the top of the limiting frame 6 is fixedly connected with a positioning plate 7, the top of the positioning plate 7 is provided with an air cylinder 8, the right side of the air cylinder 8 is provided with an adjusting bracket 9, the rear side of the adjusting bracket 9 is fixedly connected with automatic air door bodies 10, the number of the two automatic air door bodies 10 is two, opposite sides of the two automatic air door bodies 10 are respectively movably connected with the front sides of the limiting frame 6 through shaft pins, opposite sides of the automatic air door bodies 10 are respectively, opposite sides of the two automatic air door bodies are respectively provided with a guiding plates 12, the air guiding plates 12 are respectively provided with the front side of the air guiding shells 12, and the front side of the air guiding shells 12 are respectively provided with air guiding shells 12 are respectively, the front side of the air guiding shells 12 are respectively, and the front air guiding shells 12 are respectively.

Referring to fig. 1, 3 and 4, the output end of a motor 301 is fixedly connected with a first transmission rod 302, the left side of the first transmission rod 302 penetrates through the inner cavity of a fixed shell 1 and is movably connected with the inner wall of the fixed shell 1, the surface of the first transmission rod 302 is sleeved with two first gears 303, the rear sides of the two first gears 303 are respectively connected with a second gear 304 in a meshed manner, the inner cavity of the second gear 304 is fixedly connected with a second transmission rod 305, two sides of the second transmission rod 305 are respectively movably connected with the inner wall of the fixed shell 1, the opposite sides of the first gears 303 and the second gears 304 are respectively connected with toothed plates 306 in a meshed manner, the number of the toothed plates 306 is four, one side of pinion rack 306 that keeps away from first gear 303 and second gear 304 is fixedly connected with deep bead 307, one side of pinion rack 306 is kept away from to deep bead 307 and the inner wall swing joint of fixed shell 1, the surface cover of motor 301 is equipped with spacing ring 308, spacing ring 308's left side and the right side fixed shell 1's of fixed shell are fixedly connected with, the left side of first transfer line 302 and the both sides of second transfer line 305 all swing joint have bearing frame 309, one side that bearing frame 309 is close to fixed shell 1 and the inner wall fixed connection of fixed shell 1, the both sides of two deep beads 307 opposite sides are all fixedly connected with slider 310, one side that the slider 310 kept away from deep bead 307 and the inner wall swing joint of spout 2.

The scheme is adopted: through the cooperation of the motor 301, the first transmission rod 302, the first gear 303, the second gear 304, the second transmission rod 305, the toothed plate 306 and the wind screen 307, when a worker opens the automatic air door body 10, the air cylinder 8 is firstly opened, the air cylinder 8 drives the adjusting bracket 9 to adjust when opening, the automatic air door body 10 is reversely opened through the adjusting bracket 9, the opening speed of the automatic air door body 10 can be influenced under the condition of large wind resistance, the induced air shell 12 guides strong wind to the upper side and the lower side of the automatic air door body 10 through the guide plate 14 at the moment, the wind resistance of the automatic air door body 10 is reduced, the automatic air door body 10 is not influenced, the existing automatic air door body 10 has poor sealing performance, when the automatic air door body 10 is closed, the worker opens the motor 301, the output end of the motor 301 drives the first transmission rod 302 to rotate, the first transmission rod 302 drives the first gear 303 to rotate when rotating, the first gear 303 drives the second gear 304 to rotate when rotating, when the first gear 303 and the second gear 304 drive the two wind shields 307 to move upwards when rotating, the two wind shields 307 move upwards to the bottom of the automatic air door body 10, the tightness of the automatic air door body 10 can be improved, the limit function of the motor 301 is achieved through the limit ring 308, the motor 301 is prevented from falling off or displacing when in use, the limit function of the first transmission rod 302 and the second transmission rod 305 is achieved through the bearing seat 309, the falling off of the first transmission rod 302 and the second transmission rod 305 when in use is prevented, the limit function of the wind shields 307 is achieved through the cooperation of the slide block 310 and the slide groove 2, while preventing the wind deflector 307 from being positionally shifted in use.

Referring to fig. 1, 2 and 3, both sides of the front side and the rear side of the bottom of the limit frame 6 are fixedly connected with an L-shaped fixing block 16, one side of the L-shaped fixing block 16, which is far away from the limit frame 6, is fixedly connected with the surface of the fixing shell 1, both the top and the bottom of both sides of the induced draft shell 12 are fixedly connected with a limit block 17, and one side of the limit block 17, which is close to the automatic air door body 10, is fixedly connected with the surface of the automatic air door body 10.

The scheme is adopted: through L type fixed block 16, play the fixed action to spacing 6, prevented simultaneously that spacing 6 from taking place the displacement when using, through stopper 17, play the fixed and spacing effect to induced air shell 12, prevented simultaneously that induced air shell 12 from taking place to drop or the displacement when using.

The working principle of the utility model is as follows:

when in use, when the windage is larger, the opening speed of the automatic air door body 10 can be influenced, at this moment, the induced air shell 12 guides strong wind to the upper side and the lower side of the automatic air door body 10 through the guide plate 14, the windage of the automatic air door body 10 is reduced, therefore, the automatic air door body 10 is not influenced to be opened, the sealing performance of the existing automatic air door body 10 is poor, when the automatic air door body 10 is closed, a worker opens the motor 301, the output end of the motor 301 drives the first transmission rod 302 to rotate, the first transmission rod 302 drives the first gear 303 to rotate when rotating, the first gear 303 drives the second gear 304 to rotate when rotating, the first gear 303 and the second gear 304 drive the two wind shields 307 to move upwards when rotating, the two wind shields 307 move upwards to the bottom of the automatic air door body 10, and the sealing performance of the automatic air door body 10 can be improved.

To sum up: this pneumatic automatic air door device through setting up fixed shell 1, spout 2, elevating system 3, locating lever 4, bracing piece 5, spacing 6, locating plate 7, cylinder 8, adjusting bracket 9, automatic air door body 10, closing plate 11, induced air shell 12, guide plate 14, air inlet groove 13, exhaust groove 15, L type fixed block 16 and stopper 17's cooperation is used, has solved current automatic air door leakproofness poor, and when the windage is great, automatic air door's opening speed reduces to cause the problem of threatening for staff life safety.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Pneumatic automatic air door device, including fixed shell (1), its characterized in that: the utility model discloses a throttle valve, including fixed shell (1) and fixed shell (1), spout (2) have all been seted up to both sides of inner chamber front side and rear side, the right side fixedly connected with elevating system (3) of fixed shell (1), elevating system (3) include motor (301) and two deep bead (307), the left side of motor (301) and the right side fixedly connected with of fixed shell (1), the equal fixedly connected with locating lever (4) in both sides of fixed shell (1) bottom, the equal fixedly connected with bracing piece (5) in one side opposite to two locating levers (4), fixedly connected with spacing frame (6) between the opposite one side of two bracing pieces (5), the bottom of spacing frame (6) and the top fixedly connected with of fixed shell (1), the left side fixedly connected with locating plate (7) at spacing frame (6) front side top, the top of locating plate (7) is provided with cylinder (8), the right side of cylinder (8) is provided with adjusting bracket (9), the rear side fixedly connected with automatic air door body (10) of adjusting bracket (9), the number is automatic air door body (10) and two front side two air door body (10) are two opposite to each other, and two front side (10) are all movable seal plate (10) are connected with one side opposite to each other, the air guide device comprises two automatic air door bodies (10), wherein the front sides and the rear sides of the two automatic air door bodies (10) are respectively provided with an air guide shell (12), the front sides of the air guide shells (12) are provided with air inlet grooves (13), the inner cavities of the air guide shells (12) are fixedly connected with guide plates (14), and the tops and the bottoms of the air guide shells (12) are respectively provided with an air exhaust groove (15).

2. A pneumatic automatic damper apparatus as set forth in claim 1 wherein: the output of motor (301) fixedly connected with first transfer line (302), the left side of first transfer line (302) runs through to the inner chamber of fixed casing (1) and with the inner wall swing joint of fixed casing (1), the surface cover of first transfer line (302) is equipped with first gear (303), the quantity of first gear (303) is two, and the rear side of two first gears (303) all meshes to be connected with second gear (304), the inner chamber fixedly connected with second transfer line (305) of second gear (304), the both sides of second transfer line (305) all with the inner wall swing joint of fixed casing (1), the opposite side of first gear (303) and second gear (304) all meshes to be connected with pinion rack (306), the quantity of pinion rack (306) is four, one side fixedly connected with pinion rack (307) of first gear (303) and second gear (304), one side of pinion rack (307) is kept away from the inner wall swing joint of fixed casing (1).

3. A pneumatic automatic damper apparatus as set forth in claim 1 wherein: and a limiting ring (308) is sleeved on the surface of the motor (301), and the left side of the limiting ring (308) is fixedly connected with the right side of the fixed shell (1).

4. A pneumatic automatic damper apparatus as set forth in claim 2 wherein: bearing blocks (309) are movably connected to the left side of the first transmission rod (302) and the two sides of the second transmission rod (305), and one side, close to the fixed shell (1), of the bearing blocks (309) is fixedly connected with the inner wall of the fixed shell (1).

5. A pneumatic automatic damper apparatus as set forth in claim 1 wherein: two sides of the opposite sides of the two wind shields (307) are fixedly connected with sliding blocks (310), and one side, far away from the wind shields (307), of each sliding block (310) is movably connected with the inner wall of the sliding groove (2).

6. A pneumatic automatic damper apparatus as set forth in claim 1 wherein: the two sides of the front side and the rear side of the bottom of the limiting frame (6) are fixedly connected with L-shaped fixing blocks (16), and one side, far away from the limiting frame (6), of each L-shaped fixing block (16) is fixedly connected with the surface of the fixing shell (1).

7. A pneumatic automatic damper apparatus as set forth in claim 1 wherein: limiting blocks (17) are fixedly connected to the top and the bottom of two sides of the induced draft shell (12), and one side, close to the automatic air door body (10), of the limiting blocks (17) is fixedly connected with the surface of the automatic air door body (10).

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