Mining air door adjusting device

Abstract

The utility model provides a mining air door adjusting device, which relates to the technical field of air door adjustment, and comprises a door frame and two door plates hinged in the door frame, and two horizontal grooves respectively positioned at the top edge and the bottom edge of the door frame are arranged at the left and right positions of the inner side of the door frame; swing arms are rotationally connected to the sides, away from the central axis of the door frame, of the interiors of the horizontal grooves, and threading grooves are formed in the positions, close to the central axis of the door frame, of the bottoms of the horizontal grooves. The electric winches on the two swing arms rotate to wind the stranded wires to pull the door plate to be opened in a rotating mode, or the opened door plate enters the horizontal groove through the swing arms, and the electric winches on the two swing arms rotate to wind the stranded wires to pull the door plate to be closed in a rotating mode again, so that the top edge and the bottom edge of the door plate are stressed at the same time in the door plate opening and closing process. And uniform stress can be conveniently ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a damper adjusting technology field especially relates to a mine damper adjusting device. BACKGROUND

[0002] The mine damper is mainly used in the communication lane between the air inlet and outlet lane and the main air inlet and outlet lane in the coal mine, non-coal mine and various metal mines, which can effectively avoid the occurrence of air flow short circuit and ventilation failure.

[0003] Therefore, the prior art mine damper adjusting device with publication number CN219197383U is fixedly installed with two electric door closers connected with the two damper bodies on the surface of the door frame, through the setting of the door frame, damper body, electric door closer, infrared sensor, control power supply and delay controller, when personnel and vehicles pass, the infrared sensor can be triggered to start the damper body through the control power supply, and the opening and closing time is prolonged through the delay controller, so that the automatic opening and closing of the damper is realized, the personnel and vehicles can pass without stopping when passing, and the passing efficiency is greatly improved.

[0004] However, one electric door closer is arranged corresponding to one door panel, so that the door panel of the damper only generates force at one point when being opened and closed, and uneven force is applied at one point, which leads to uneven stress of the damper during opening and closing. The door leaf of the damper is usually a plane structure, and if force is only applied at one point, local deformation of the door leaf is easily caused, especially in the case of frequent use or heavy door body, the deformation will affect the sealing performance of the damper, leading to air leakage problem, and further affecting the stability of the mine ventilation system. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problems in the prior art and provides a mine damper adjusting device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a mine damper adjusting device, comprising a door frame and two door panels hingedly installed in the door frame, two horizontal grooves are arranged on the left and right positions of the inner side of the door frame and located at the top edge and the bottom edge of the door frame respectively, a swing arm is rotationally connected to the horizontal groove away from the central axis of the door frame, and a threading groove is arranged at the position of the horizontal groove bottom close to the central axis of the door frame, an installation groove is arranged at the swing end of the swing arm, an electric winch is fixedly installed in the installation groove, the wire of the electric winch penetrates through the swing arm and extends to the door hole of the door frame through the threading groove, and the two electric winches located on the left side or the right side of the door frame form a group, and the wire of each group of electric winches is fixedly connected with the swing edge of the door panel on the same side of the door frame.

[0007] Preferably, the horizontal groove top is provided with a vertical groove above the threading groove, the vertical groove top is fixedly installed with an electric push rod, and the electric push rod telescopic end is fixedly installed with a block inserted with the threading groove inner wall.

[0008] Preferably, the block is arranged in a mountain shape and the block two end positions are inserted with the horizontal groove bottom.

[0009] Preferably, the door frame is inlaid with a connecting rod rotatably connected on the left and right sides, and the two connecting rods are vertically arranged and the connecting rod two ends are fixedly connected with the same side position two swing arms one end.

[0010] Preferably, the swing arm rotatable connecting part with the horizontal groove is fixedly connected with the connecting rod end, and the two swing arms upper surfaces rotatably installed positions fixedly installed gears.

[0011] Preferably, the door frame inner side top edge is fixedly installed with an electric telescopic rod, the electric telescopic rod telescopic end is fixedly installed with a horizontally arranged connecting strip, and the connecting strip two ends are fixedly installed with a gear rack.

[0012] Preferably, the two gear racks are horizontally arranged and inserted with the door frame surface, and the two gear racks are respectively engaged with the two gears.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that,

[0014] 1、In the utility model, through setting swing arm on the door frame any door panel upper and lower positions, two swing arms on the same side of the door panel are simultaneously rotated ninety degrees to swing out the horizontal groove, and then the two swing arms on the electric winch are rotated to wind the wire to pull the door panel to rotate and open, or the opened door panel enters the horizontal groove through the swing arm, and then the two swing arms on the electric winch are rotated to wind the wire to pull the door panel to rotate and close, so that the door panel top edge and bottom edge are stressed simultaneously in the door panel opening and closing process, and the stress uniformity is convenient to guarantee.

[0015] 2、In the utility model, through setting the gear rack engaged with the gear and setting the connecting rod connecting two swing arms on the same side, the electric telescopic rod drives the connecting strip and the gear rack to move to the door frame direction, the corresponding engaged gear drives the swing arm in the corresponding direction to rotate, and the swing arm below the corresponding side is synchronously rotated under the connection effect of the same side connecting rod, so that the two swing arms on the left side or the right side of the door frame are synchronously rotated to enter or exit the horizontal groove. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic diagram of the mine air door adjusting device is provided for the utility model;

[0017] Figure 2The utility model provides a mine air door adjusting device Figure 1 The rear view structure schematic diagram of

[0018] Figure 3 The utility model provides a mine air door adjusting device Figure 2 The section view structure schematic diagram of

[0019] Figure 4 The section view structure schematic diagram of Figure 3

[0020] Figure 5 The section view structure schematic diagram of Figure 4

[0021] Legend: 1, door frame, 2, door board, 3, connecting strip, 4, rack, 5, electric push rod, 6, electric telescopic rod, 7, stopper, 8, connecting rod, 9, swing arm, 10, gear, 11, electric winch, 12, threading groove, 13, horizontal groove, 14, installation groove, 15, vertical groove. Specific implementation

[0022] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further explained below with the help of drawings and examples.It needs to be explained that the examples and features in the examples of the application can be combined with each other without conflict.

[0023] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific examples disclosed in the following description.

[0024] As Figures 1-5 shown, a mine air door adjusting device includes door frame 1 and two door boards 2 hingedly installed in door frame 1, two horizontal grooves 13 are formed in the left and right positions of the inner side of door frame 1 and are located at the top edge and the bottom edge of door frame 1 respectively, swing arm 9 is rotatably connected to the side of horizontal groove 13 away from the central axis of door frame 1, threading groove 12 is formed in the position of the groove bottom of horizontal groove 13 close to the central axis of door frame 1, installation groove 14 is formed in the swing end of swing arm 9, electric winch 11 is fixedly installed in installation groove 14, the wire of electric winch 11 penetrates swing arm 9 and extends to the door opening of door frame 1 through threading groove 12, the two electric winches 11 located at the left side or the right side of door frame 1 form a group, the wire of each group of electric winches 11 is fixedly connected to the swing edge of the door board 2 in the same side direction in door frame 1, when it is needed to open door board 2, the wire of the electric winch 11 in the group is pulled to make the swing edge of the door board 2 in the same side direction in door frame 1 rotate to the position away from door frame 1, and the wire of the electric winch 11 in the group is pulled to make the swing edge of the door board 2 in the same side direction in door frame 1 rotate to the position close to door frame 1. Figure 2 And Figure 3 ​​As shown, the swing arm 9 rotates out of the horizontal slot 13 by ninety degrees, and the left side of the door panel 2 is pulled to swing open by rotating and winding the wire on the two electric winches 11 on the left side. Similarly, the right side of the door panel 2 is pulled to swing open by rotating and winding the wire on the two electric winches 11 on the right side. When it is necessary to close the door panel 2, the swing arm 9 is rotated and stored in the horizontal slot 13, and the door panel 2 is pulled to close by rotating and winding the wire on the electric winches 11. In addition, when the swing arm 9 rotates, the corresponding electric winches 11 release the wire.

[0025] The vertical slot 15 is provided at the top of the horizontal slot 13, and the electric push rod 5 is fixedly installed at the top of the vertical slot 15. The telescopic end of the electric push rod 5 is downwardly and fixedly installed with the block 7 which is inserted into the inner wall of the threading slot 12. The block 7 is arranged in a mountain shape and is inserted into the bottom of the horizontal slot 13 at both ends. The block 7 is lifted out of the threading slot 12 by retracting the electric push rod 5, so that the wire of the electric winch 11 can be extended synchronously when the swing arm 9 rotates out of the horizontal slot 13, and the wire can smoothly pull the door panel 2 to open when the electric winch 11 rotates to wind the wire.

[0026] The connecting rods 8 are rotatably embedded in the left and right sides of the door frame 1. The two connecting rods 8 are vertically arranged and fixedly connected with one end of the swing arm 9 on the same side. The swing arm 9 is fixedly connected with the end of the connecting rod 8. The gear 10 is fixedly installed on the upper surface of the swing arm 9 at the top of the door frame 1. The electric telescopic rod 6 is fixedly installed on the top edge of the inside of the door frame 1. The connecting strip 3 is horizontally arranged and fixedly installed on the telescopic end of the electric telescopic rod 6. The connecting strip 3 is fixedly installed with the rack 4 at both ends. The two racks 4 are horizontally arranged and inserted into the surface of the door frame 1. The two racks 4 are respectively engaged with the two gears 10. The connecting strip 3 moves towards the door frame 1 by retracting the electric telescopic rod 6, so that the rack 4 moves synchronously. When the rack 4 moves, the gear 10 engaged therewith drives the swing arm 9 in the corresponding direction to rotate, and the swing arm 9 on the same side rotates synchronously under the connection of the connecting rod 8. Thus, the two swing arms 9 on the left or right side of the door frame 1 rotate in and out of the horizontal slot 13 synchronously.

[0027] Working principle, Figure 1The shown door plate 2 is in the closed state, so when it needs to be opened, the electric push rod 5 is retracted to drive the stopper 7 to rise into the vertical slot 15, the electric telescopic rod 6 is retracted to realize the connection of the connecting strip 3 to drive the rack 4 to move to the door frame 1 direction, the corresponding meshing connecting gear 10 and the connecting effect of the same side connecting rod 8 realize the synchronous rotation of the two swing arms 9 on the left side or the right side of the door frame 1 by ninety degrees to swing out of the horizontal slot 13, when the swing arm 9 rotates and swings, the corresponding electric winch 11 rotates to release the wire, after the swing arm 9 rotates by ninety degrees, the two electric winches 11 on the left side are used to rotate and wind the wire, so that the left side door plate 2 swing edge upper and lower ends are simultaneously swung and opened, and the right side door plate 2 uses the right side two electric winches 11 to wind the wire to realize the rotation and opening of the right side door plate 2.

[0028] The wiring diagram of the electric push rod 5, the electric telescopic rod 6 and the electric winch 11 in the utility model belongs to the common knowledge in the field, and the working principle is a known technology, and the type is selected according to actual use, so the control mode and wiring arrangement of the electric push rod 5, the electric telescopic rod 6 and the electric winch 11 are not explained in detail.

[0029] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms, and any skilled person in the art can change or change into equivalent embodiments applied to other fields according to the disclosed technical content, but any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model still belongs to the protection scope of the utility model technical scheme.

Claims

1. A mine air door regulating device comprising a door frame (1) and two door panels (2) hingedly mounted in the door frame (1), characterized in that: Two horizontal grooves (13) are arranged at the left and right positions of the door frame (1) and are located at the top and bottom edges of the door frame (1), respectively, a swing arm (9) is rotatably connected to the horizontal groove (13) away from the central axis of the door frame (1), and a threading groove (12) is arranged at the position of the groove bottom of the horizontal groove (13) close to the central axis of the door frame (1), an installation groove (14) is arranged at the swing end of the swing arm (9), an electric winch (11) is fixedly installed in the installation groove (14), the wire of the electric winch (11) penetrates the swing arm (9) and extends to the door opening of the door frame (1) through the threading groove (12), the two electric winches (11) located at the left or right side of the door frame (1) form a group, and the wires of the electric winches (11) in each group are fixedly connected to the swing edges of the door panels (2) on the same side in the door frame (1).

2. The mine air door regulating device of claim 1, wherein: A vertical groove (15) is arranged at the position of the groove top of the horizontal groove (13) above the threading groove (12), an electric push rod (5) is fixedly installed at the groove top of the vertical groove (15), and a stop block (7) is fixedly installed at the downward telescopic end of the electric push rod (5) and is inserted into the inner wall of the threading groove (12).

3. The mine air door regulating device of claim 2, wherein: The stop block (7) is arranged in a mountain shape, and the two end positions of the stop block (7) are inserted into the groove bottom of the horizontal groove (13).

4. The mine air door adjustment device of claim 1, wherein: A connecting rod (8) is rotatably connected to the left and right sides in the door frame (1), the two connecting rods (8) are vertically arranged, and one end of each of the two connecting rods (8) is fixedly connected to one end of the two swing arms (9) on the same side.

5. The mine air door adjustment device of claim 4, wherein: The end of the connecting rod (8) is fixedly connected to the swing arm (9) rotatably connected to the horizontal groove (13), and the upper surface of the swing arm (9) at the top of the door frame (1) is fixedly installed with a gear (10) at the rotatable mounting position.

6. The mine air door regulating device of claim 5, wherein: An electric telescopic rod (6) is fixedly installed at the top edge of the door frame (1), a horizontally arranged connecting strip (3) is fixedly installed at the telescopic end of the electric telescopic rod (6), and a rack (4) is fixedly installed at both ends of the connecting strip (3).

7. The mine air door adjustment device of claim 6, wherein: The two racks (4) are horizontally arranged and are inserted into the surface of the door frame (1), and the two racks (4) are respectively engaged with the two gears (10).

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