Mining air door electromagnetic locking device

Abstract

The utility model discloses a mining air door electromagnetic locking device which comprises an air door frame and an opening and closing mechanism. L-shaped grooves which are symmetrically distributed are formed in the air door frame, the ends, close to the center of the air door frame, of the two L-shaped grooves are communicated, door plates are arranged in transverse grooves of the two L-shaped grooves, and a supporting plate is fixedly connected to the upper end of the air door frame; the opening and closing mechanism comprises rotating shafts, driving wheels and a transmission belt, the rotating shafts are rotationally connected to the left end and the right end of the supporting plate respectively, the front end and the rear end of the left rotating shaft are fixedly connected with the driving wheels, the front end and the rear end of the right rotating shaft are fixedly connected with driven wheels, and the driving wheels are in transmission connection with the transversely adjacent driven wheels through the transmission belt; the transmission belt on the front side and the upper end of the door plate on the left side are installed in a matched mode, the transmission belt on the rear side and the upper end of the door plate on the right side are installed in a matched mode, and the mining air door electromagnetic locking device can effectively guarantee stable opening and closing of the door plates and can effectively save working space at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mine air door electromagnetic locking, concretely to a mine air door electromagnetic locking device. BACKGROUND

[0002] The mine air door electromagnetic locking device is an important safety equipment specially designed for underground mining environment such as coal mine, and its main function is to realize automatic or manual control of the air door through electromagnetic control means to achieve the purpose of adjusting air flow, isolating gas and the like, so as to guarantee the safety and smoothness of mine operation, and the existing part of mine air door electromagnetic locking device adopts the mode of external telescopic air cylinder to control the opening and closing of the door plate, and such mine air door electromagnetic locking device has some problems, such as the mode of external telescopic air cylinder to control the opening and closing of the door plate, which occupies additional working space and affects the convenience of personnel passing. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problem of overcoming the defects of the prior art and provides a mine air door electromagnetic locking device which can effectively guarantee the stable opening and closing of the door plate, effectively save working space and effectively solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a mine air door electromagnetic locking device, comprising a door frame and an opening and closing mechanism.

[0005] The door frame is internally provided with symmetrically distributed L-shaped grooves, one end of the two L-shaped grooves near the center of the door frame is communicated, and the horizontal grooves of the two L-shaped grooves are internally provided with door plates, and the upper end of the door frame is fixedly connected with a support plate.

[0006] The opening and closing mechanism comprises a rotating shaft, a driving wheel and a transmission belt, the rotating shaft is rotatably connected to the left and right ends of the support plate respectively, the front and rear ends of the rotating shaft on the left are fixedly connected with the driving wheel, the front and rear ends of the rotating shaft on the right are fixedly connected with the driven wheel, the driving wheel is drivingly connected with the horizontally adjacent driven wheel through the transmission belt, the front transmission belt is installed in cooperation with the upper end of the door plate on the left, and the rear transmission belt is installed in cooperation with the upper end of the door plate on the right, which can effectively guarantee the stable opening and closing of the door plate and effectively save working space.

[0007] Further, the left side of the door frame is provided with a control switch, the input end of the control switch is electrically connected with an external power supply, and the control motor is operated.

[0008] Further, the opening and closing mechanism further comprises a connecting shaft, a connecting block and a limiting block, the limiting blocks are arranged on the upper surfaces of the door plates near one end of the center of the air door frame, and are slidably connected with the interiors of the vertically adjacent L-shaped grooves, the upper ends of the limiting blocks are rotatably connected with the connecting shafts, the upper end of the connecting shaft on the front side is fixedly connected with the connecting block, the middle part of the connecting block is fixedly connected with the lower end of the transmission belt on the front side, the upper end of the connecting shaft on the rear side is fixedly connected with a connecting seat, and the connecting seat is fixedly connected with the upper end of the transmission belt on the rear side, so that the transmission belt and the door plate are stably connected, and the opening and closing of the door plate is facilitated.

[0009] Further, the opening and closing mechanism further comprises a motor, the motor is arranged on the left end of the upper surface of the air door frame, the rear end of the output shaft of the motor is fixedly connected with the front end of the rotating shaft on the left side, and the input end of the motor is electrically connected with the output end of the control switch, so that driving force is provided for the opening and closing of the door plate.

[0010] Further, the upper surface of the door plate near one end of the center of the air door frame is fixedly connected with a sliding column two, the lower end of the vertically adjacent limiting block is fixedly connected with the sliding column two, the upper end of the sliding column one is rotatably connected with a limiting seat, the limiting seat is slidably connected with the interior of the vertically adjacent L-shaped groove, and the sliding column two and the sliding column one are slidably connected with the vertically adjacent L-shaped groove, so that sliding support is provided for the opening and closing of the door plate.

[0011] Further, the L-shaped groove is provided with a chamfer between the horizontal groove and the vertical groove, the front end of the door plate on the left side and the rear end of the door plate on the right side are fixedly connected with a plug-in plate, the rear end of the door plate on the left side and the front end of the door plate on the right side are fixedly connected with a plug-in groove, and the plug-in plate is plug-connected with the horizontally adjacent plug-in groove, so that the position state of the door plate in the L-shaped groove is adjusted, and the sealing performance of the air door is improved.

[0012] Further, the left and right ends of the air door frame are provided with uniformly distributed mounting seats, the upper end of the supporting plate is fixedly connected with a mounting plate, and the interiors of the mounting seat and the mounting plate are provided with symmetrically distributed mounting holes, so that the installation of the mine air door electromagnetic locking device is facilitated.

[0013] Compared with the prior art, the mine air door electromagnetic locking device has the following advantages:

[0014] The motor drives the transmission belt, the left and right door plates are moved towards each other, the position state of the door plate is adjusted under the action of the L-shaped groove, the problem that the door plate is expanded outward by the telescopic air cylinder and occupies additional working space is avoided, the working space is greatly saved while the efficient and stable opening and closing of the door plate is ensured, and the influence on personnel passing is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1The utility model discloses a structure schematic diagram;

[0016] Figure 2 The utility model discloses the sectional structure schematic diagram of inside;

[0017] Figure 3 The utility model discloses the sectional structure schematic diagram of rear side;

[0018] Figure 4 The utility model discloses the enlarged structure schematic diagram of A place;

[0019] Figure 5 The utility model discloses the enlarged structure schematic diagram of B place.

[0020] In the drawing: 1 air door frame, 2 L type groove, 3 door plate, 4 opening and closing mechanism, 41 motor, 42 rotating shaft, 43 drive wheel, 44 transmission belt, 45 connecting shaft, 46 connecting block, 47 limiting block, 5 support plate, 6 mounting plate, 7 slide column one, 8 slide column two, 9 plugboard, 10 slot, 11 mounting seat, 12 control switch, 13 limiting seat, 14 chamfer. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-5 The utility model discloses a kind of technical solutions: a mine air door electromagnetic locking device, including air door frame 1 and opening and closing mechanism 4;

[0023] Air door frame 1: its inside is provided with the L type groove 2 of symmetrical distribution, two L type grooves 2 close to the end of air door frame 1 center communication, the horizontal slot inside of two L type grooves 2 is all provided with door plate 3, the upper end of air door frame 1 is fixedly connected with support plate 5, the left side of air door frame 1 is provided with control switch 12, the input end of control switch 12 is electrically connected with external power supply, the left and right ends of air door frame 1 are all provided with evenly distributed mounting seat 11, the upper end of support plate 5 is fixedly connected with mounting plate 6, and mounting seat 11 and mounting plate 6 are all provided with the mounting hole of symmetrical distribution in its inside;

[0024] The opening and closing mechanism 4 includes a rotating shaft 42, a driving wheel 43 and a transmission belt 44. The rotating shaft 42 is rotatably connected to the left and right ends of the support plate 5. The front and rear ends of the rotating shaft 42 on the left are fixedly connected to the driving wheel 43. The front and rear ends of the rotating shaft 42 on the right are fixedly connected to the driven wheel. The driving wheel 43 is connected to the laterally adjacent driven wheel through a transmission belt 44. The front transmission belt 44 is installed in conjunction with the upper end of the left door panel 3, and the rear transmission belt 44 is installed in conjunction with the upper end of the right door panel 3. The opening and closing mechanism 4 also includes a connecting shaft 45, a connecting block 46 and a limit block 47. The limit blocks 47 are respectively arranged on the door panels 3. At one end of the upper surface close to the center of the wind door frame 1, the limit blocks 47 are all slidably connected to the inside of the vertically adjacent L-shaped groove 2, and the upper ends of the limit blocks 47 are rotatably connected to the connecting shaft 45. The upper end of the front connecting shaft 45 is fixedly connected to the connecting block 46, and the middle part of the connecting block 46 is fixedly connected to the lower end of the front transmission belt 44, and the upper end of the rear connecting shaft 45 is fixedly connected to the connecting seat, which is fixedly connected to the upper end of the rear transmission belt 44. The opening and closing mechanism 4 also includes a motor 41. The motor 41 is arranged at the left end of the upper surface of the wind door frame 1, and the rear end of the output shaft of the motor 41 is fixedly connected to the front end of the rotating shaft 42 on the left side. The input end of 1 is electrically connected to the output end of the control switch 12, and the motor 41 is operated by the control switch 12. The output shaft of the motor 41 rotates to drive the longitudinally adjacent rotating shaft 42 to rotate. The rotation of the rotating shaft 42 on the left side drives the two driving wheels 43 to rotate. The driving wheels 43 all drive the laterally adjacent driven wheels to rotate through the transmission belt 44. The front transmission belt 44 rotates to drive the connecting block 46 to move left. The connecting block 46 drives the corresponding limit block 47 to slide to the left through the vertically adjacent connecting shaft 45. The limit block 47 moves left and drives the left door panel 3 to move left inside the corresponding L-shaped groove 2 through the vertically adjacent sliding column 28. The left door panel 3 is The left chamfer 14 slides into the longitudinal groove of the left L-shaped groove 2. At the same time, the transmission belt 44 on the rear side rotates to drive the connecting seat to move right, so that the connecting seat drives the corresponding limit block 47 to slide to the right through the vertically adjacent connecting shaft 45. The limit block 47 moves to the right and drives the right door panel 3 to move right inside the corresponding L-shaped groove 2 through the vertically adjacent sliding column 2 8. The right door panel 3 slides into the longitudinal groove of the right L-shaped groove 2 under the action of the right chamfer 14. When the door panels 3 all slide into the longitudinal grooves of the corresponding L-shaped grooves 2, the motor 41 is turned off by the control switch 12 to realize the opening of the mine air door.

[0025] The upper surface of the door plate 3 is fixedly connected with a slide column two 8 near one end of the center of the air door frame 1, the lower end of the slide column two 8 is fixedly connected with vertically adjacent limiting blocks 47, the upper surface of the door plate 3 is fixedly connected with a slide column one 7 away from the center of the air door frame 1, the upper end of the slide column one 7 is rotatably connected with a limiting seat 13, the limiting seat 13 is slidably connected with the inside of the vertically adjacent L-shaped groove 2, and the slide column two 8 and the slide column one 7 are slidably connected with the vertically adjacent L-shaped groove 2.

[0026] The upper surface of the door plate 3 is fixedly connected with a slide column two 8 near one end of the center of the air door frame 1, the lower end of the slide column two 8 is fixedly connected with vertically adjacent limiting blocks 47, the upper surface of the door plate 3 is fixedly connected with a slide column one 7 away from the center of the air door frame 1, the upper end of the slide column one 7 is rotatably connected with a limiting seat 13, the limiting seat 13 is slidably connected with the inside of the vertically adjacent L-shaped groove 2, and the slide column two 8 and the slide column one 7 are slidably connected with the vertically adjacent L-shaped groove 2.

[0027] The working principle of the mine air door electromagnetic locking device is as follows: in working, personnel stably connect the mounting holes in the installation plate 6 and the mounting seat 11 with the threaded holes in the working area through bolts, so that the stable installation of the mine air door electromagnetic locking device is realized, after stable installation, personnel realize the rotation of the motor 41 through the control switch 12, the rotation of the output shaft of the motor 41 drives the rotation of the vertically adjacent rotating shaft 42, the rotation of the rotating shaft 42 on the left side drives the rotation of the two driving wheels 43, the driving wheels 43 drive the rotation of the horizontally adjacent driven wheels through the transmission belts 44, the left movement of the connecting block 46 is driven by the rotation of the front transmission belt 44, the connecting block 46 drives the left sliding of the corresponding limiting block 47 through the vertically adjacent connecting shaft 45, the left movement of the limiting block 47 drives the left movement of the left door plate 3 in the corresponding L-shaped groove 2 through the vertically adjacent slide column two 8, the left door plate 3 slides into the longitudinal groove of the left L-shaped groove 2 under the action of the left chamfer 14, meanwhile, the right movement of the connecting seat is driven by the rotation of the rear transmission belt 44, so that the connecting seat drives the right sliding of the corresponding limiting block 47 through the vertically adjacent connecting shaft 45, the right movement of the limiting block 47 drives the right movement of the right door plate 3 in the corresponding L-shaped groove 2 through the vertically adjacent slide column two 8, the right door plate 3 slides into the longitudinal groove of the right L-shaped groove 2 under the action of the right chamfer 14, when the door plate 3 slides into the longitudinal groove of the corresponding L-shaped groove 2, personnel turn off the motor 41 through the control switch 12, and the opening of the mine air door is realized.

[0028] It is worth noting that the control switch 12 disclosed in the above embodiment is provided with a control button corresponding to the motor 41 and controlling the switch of the motor 41.

[0029] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made according to the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A mine air door electromagnetic locking device, characterized by: It comprises a damper frame (1) and an opening and closing mechanism (4); The air door frame (1) is provided with symmetrically distributed L-shaped grooves (2) therein, the two L-shaped grooves (2) are connected at one end close to the center of the air door frame (1), the transverse grooves of the two L-shaped grooves (2) are both provided with door plates (3), and the upper end of the air door frame (1) is fixedly connected with a support plate (5); The opening and closing mechanism (4) comprises a rotating shaft (42), a driving wheel (43) and a transmission belt (44). The rotating shaft (42) is rotatably connected to the left and right ends of the support plate (5), respectively. The front and rear ends of the rotating shaft (42) on the left are fixedly connected to the driving wheel (43), and the front and rear ends of the rotating shaft (42) on the right are fixedly connected to the driven wheel. The driving wheel (43) is connected to the laterally adjacent driven wheel through the transmission belt (44). The front transmission belt (44) is mounted in conjunction with the upper end of the left door panel (3), and the rear transmission belt (44) is mounted in conjunction with the upper end of the right door panel (3).

2. The electromagnetic locking device for a mine air door according to claim 1, characterized in that: A control switch (12) is provided on the left side of the air door frame (1), and an input end of the control switch (12) is electrically connected to an external power supply.

3. The electromagnetic locking device for a mine air door according to claim 1, characterized in that: The opening and closing mechanism (4) further comprises a connecting shaft (45), a connecting block (46) and a limiting block (47), wherein the limiting blocks (47) are respectively arranged at one end of the upper surface of the door panel (3) close to the center of the wind door frame (1), and the limiting blocks (47) are all slidably connected to the inside of the vertically adjacent L-shaped groove (2), and the upper ends of the limiting blocks (47) are rotatably connected to the connecting shaft (45), the upper end of the front connecting shaft (45) is fixedly connected to the connecting block (46), the middle part of the connecting block (46) is fixedly connected to the lower end of the front transmission belt (44), and the upper end of the rear connecting shaft (45) is fixedly connected to the connecting seat, and the connecting seat is fixedly connected to the upper end of the rear transmission belt (44).

4. The electromagnetic locking device for a mine air door according to claim 2, characterized in that: The opening and closing mechanism (4) further comprises a motor (41), the motor (41) being arranged at the left end of the upper surface of the damper frame (1), the rear end of the output shaft of the motor (41) being fixedly connected to the front end of the rotating shaft (42) on the left side, and the input end of the motor (41) being electrically connected to the output end of the control switch (12).

5. The electromagnetic locking device for a mine air door according to claim 3, characterized in that: The end of the upper surface of the door panel (3) close to the center of the wind door frame (1) is fixedly connected to the second sliding column (8), and the second sliding column (8) is fixedly connected to the lower end of the vertically adjacent limit block (47). The end of the upper surface of the door panel (3) away from the center of the wind door frame (1) is fixedly connected to the first sliding column (7), and the upper end of the first sliding column (7) is rotatably connected to the limit seat (13), and the limit seat (13) is slidably connected to the inside of the vertically adjacent L-shaped groove (2). The second sliding column (8) and the first sliding column (7) are slidably connected to the vertically adjacent L-shaped groove (2).

6. The electromagnetic locking device for a mine air door according to claim 1, characterized in that: A chamfer (14) is provided between the transverse groove and the longitudinal groove of the L-shaped groove (2); the front end of the left door panel (3) and the rear end of the right door panel (3) are fixedly connected with an inserting plate (9); the rear end of the left door panel (3) and the front end of the right door panel (3) are fixedly connected with a slot (10); and the inserting plates (9) are plugged into the slots (10) adjacent to each other in the transverse direction.

7. The electromagnetic locking device for a mine air door according to claim 1, characterized in that: The left and right ends of the air door frame (1) are both provided with evenly distributed mounting seats (11), the upper end of the support plate (5) is fixedly connected to the mounting plate (6), and the interiors of the mounting seats (11) and the mounting plate (6) are both provided with symmetrically distributed mounting holes.

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