Air door device for mine ventilation

Abstract

The utility model discloses an air door device for mine ventilation, which relates to the technical field of mine ventilation and comprises a door frame, a door body, an opening and closing door, sealing rubber, a counterweight rope, a steering block, a bearing block, a balancing weight and a partition plate, magnetic attraction blocks are connected to two sides of the balancing weight, a connecting spring is further connected to the lower portion of the bearing block, and a mounting block is further connected to the inner side of the bearing block. Threaded nails are connected to the two sides of the mounting block, a cleaning roller is connected to the center of the mounting block, and a filter screen is further arranged on the inner side of the cleaning roller. The balancing weight is arranged on the front side of the opening and closing door and matched with the connecting spring, the balancing weight and the connecting spring need to be pulled when the air pressure is too large and the opening and closing door is about to be opened, and therefore the opening and closing door cannot be opened and closed too much under the limitation of gravity and pulling force; the connecting spring is prevented from being under the condition of large tension for a long time, and the service life of the connecting spring is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine ventilation technical field especially is related to a mine ventilation air door device. BACKGROUND

[0002] The role of mine ventilation is to input fresh air into the mine, increase oxygen concentration, dilute and remove toxic and harmful gases and dust in the mine, in order to make the underground air flow along the specified route distribution, need to build air door device for controlling air flow in some roadway, air duct.

[0003] The existing patent (announcement number: CN222436402U) discloses a kind of mine ventilation air door device, by driving motor operation drives screw rotation, can make two sealing plates be translated in opposite or opposite direction, to make the size of air inlet and air outlet change, so that the ventilation quantity in ventilation groove increases or reduces, so that the ventilation quantity of the device can be conveniently adjusted, adapt to the ventilation requirement of different mines.In the process of realizing the scheme, it is found that the following problems exist in the prior art, which have not been well solved:

[0004] The scheme utilizes motor and threaded structure to realize the opening and closing work of air vent in the use process, but the continuous use of motor and screw will waste electric energy, and the threaded rod is prone to continuous stress vibration when subjected to wind pressure for a long time, thereby causing the service life of threaded rod to be low, which needs to be replaced frequently, and the filter screen needs to be cleaned by staff constantly, otherwise sundries are prone to accumulate on the surface of filter screen. UTILITY MODEL CONTENTS

[0005] In order to improve the problems of energy waste, low service life of screw and frequent cleaning of filter screen caused by motor driving screw mentioned above, the utility model provides a mine ventilation air door device.

[0006] The utility model provides a mine ventilation air door device, adopt following technical scheme:

[0007] A kind of mine ventilation air door device, including door frame, the inside of door frame is connected with door body, the inside of door body is connected with open-close door, the periphery of open-close door is also connected with sealing rubber, the outside of open-close door is connected with counterweight rope, the center of counterweight rope is connected with steering block, the below of counterweight rope is connected with bearing block, the inside of bearing block is connected with counterweight block, the inside of bearing block is also connected with partition, the two sides of counterweight block are connected with magnetic attraction piece, the below of bearing block is also connected with connecting spring;

[0008] The inside of bearing block is also connected with mounting block, the two sides of mounting block are connected with threaded peg, the center of mounting block is connected with cleaning roller, the inside of cleaning roller is also provided with filter screen.

[0009] By the above technical scheme, the counterweight rope is matched with the counterweight block, the opening and closing door has tension in the use process, the opening and closing door is kept in a constant state in the use process, and the filter screen is cleaned by the bearing block, so that the surface of the filter screen is clean and tidy.

[0010] Optionally, in the air door device for mine ventilation, the connection mode between the door body and the opening and closing door is rotary connection, the inside of the opening and closing door is provided with a gas cylinder and a piston rod, and the outside of the gas cylinder is provided with an explosion-proof mechanism.

[0011] By the above technical scheme, the explosion-proof mechanism is arranged to protect the gas cylinder from being affected by gas.

[0012] Optionally, in the air door device for mine ventilation, the opening and closing door is integrally installed with the counterweight rope, the connection mode between the counterweight rope and the steering block is sliding connection, and the counterweight rope is integrally installed with the bearing block.

[0013] By the above technical scheme, the opening and closing door is matched with the counterweight rope, the bearing block can pull and open and close the opening and closing door, and the opening and closing door is kept in a constant state.

[0014] Optionally, in the air door device for mine ventilation, the inside of the bearing block is uniformly and equidistantly distributed with a partition plate, the connection mode between the bearing block and the counterweight block is sliding connection, and the counterweight block forms a magnetic attraction structure with the bearing block through a magnetic attraction block.

[0015] By the above technical scheme, the magnetic attraction block is used to quickly install and dismount the counterweight block.

[0016] Optionally, in the air door device for mine ventilation, the two sides of the mounting block are connected with threaded nails, the center of the mounting block is connected with a cleaning roller, and the inside of the cleaning roller is further provided with a filter screen.

[0017] By the above technical scheme, the filter screen is used to clean the filter screen in cooperation with the cleaning roller, so that the filter screen is prevented from accumulating too much dust.

[0018] Optionally, in the air door device for mine ventilation, the mounting blocks are symmetrically distributed on the two sides of the center of the bearing block, the mounting blocks form threaded connection with the bearing block through threaded nails, and the mounting blocks have an L-shaped structure.

[0019] By the above technical scheme, the threaded nails are matched with the mounting blocks, the cleaning roller is conveniently dismounted and cleaned, and the cleaning roller is cleaned and replaced.

[0020] In summary, the utility model has at least one of the following beneficial effects:

[0021] By setting the counterweight and connecting spring on the front side of the opening and closing door, when the wind pressure is too large, the opening and closing door needs to be pulled to pull the counterweight and connecting spring, so that the opening and closing door will not be opened too large under the limit of gravity and tension, and when the counterweight and connecting spring cooperate to give gravity, prevent the connecting spring from being in the case of long-term tension, prolong the service life of the connecting spring.

[0022] By setting the mounting block and cleaning roller on the inner side of the bearing block, when the bearing block is lifted, the cleaning roller is lifted, so that the cleaning roller cleans the filter screen, reduces the dust on the surface of the filter screen, and reduces the cleaning frequency of the staff. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the overall front view structure schematic diagram of the utility model;

[0024] Figure 2 It is the bearing block top view structure schematic diagram of the utility model;

[0025] Figure 3 It is the overall side view structure schematic diagram of the utility model;

[0026] Figure 4 It is the opening and closing door front view structure schematic diagram of the utility model Figure 3 Enlarged structure schematic diagram of A place in the utility model;

[0027] Figure 5 It is the opening and closing door front view structure schematic diagram of the utility model

[0028] In the drawing: 1, door frame; 2, door body; 3, opening and closing door; 4, turning block; 5, counterweight rope; 6, bearing block; 7, counterweight; 8, sealing rubber; 9, filter screen; 10, partition; 11, cleaning roller; 12, mounting block; 13, threaded peg; 14, magnetic block. DETAILED DESCRIPTION

[0029] The following will be combined with the attached Figures 1-5 The utility model will be further explained in detail.

[0030] Please refer to the attached drawings in the specification Figures 1-5The utility model provides a kind of air door device for mine ventilation: a kind of air door device for mine ventilation, including door frame 1, the inside connection of door frame 1 has door body 2, the inside connection of door body 2 has open and close door 3, open and close door 3's perimeter is also connected with sealing rubber 8, the outside connection of open and close door 3 has counterweight rope 5, the center of counterweight rope 5 is connected with steering block 4, counterweight rope 5 is made of steering block 4 V type structure, facilitate subsequent use, the below connection of counterweight rope 5 has bearing block 6, the inside connection of bearing block 6 has counterweight block 7, the inside of bearing block 6 is also connected with baffle 10, by baffle 10 it is convenient to insert different counterweight block 7, to adjust open and close door 3, the both sides of counterweight block 7 are connected with magnetic attraction block 14, the below of bearing block 6 is also connected with connecting spring 15, utilize connecting spring 15 to pull open and close door 3 and automatically close;

[0031] The inside of bearing block 6 is also connected with mounting block 12, the both sides of mounting block 12 are connected with threaded peg 13, by threaded peg 13 open and close door 3 is automatically closed to the disassembly of mounting block 12, ensure use, the center of mounting block 12 is connected with cleaning roller 11, the inside of cleaning roller 11 is also provided with filter screen 9, by filter screen 9 the impurity in air is filtered, avoid its into the inside of ventilation opening.

[0032] Working principle: in use, first, in use, according to the opening and closing door 3 of required switch amplitude, insert different number of counterweight block 7 in the inside of bearing block 6, at this time in use, open and close door 3 is in the state of opening and closing, when wind pressure is larger, open and close door 3 will open and close, at this time open and close door 3 side counterweight rope 5 pulls bearing block 6, and counterweight block 7 in the inside of bearing block 6 falls down under the action of gravity towards the below, connecting spring 15 is also automatically pulled towards the below under the tension, so that open and close door 3 will not open and close larger, and wind pressure is smaller, connecting spring 15 supports bearing block 6, will not give open and close door 3 tension and make it reset, can utilize magnetic attraction block 14 to quickly disassemble and replace counterweight block 7, ensure that the opening and closing angle of open and close door 3 is in a different angle, and when needing to close the door, remote control cylinder makes piston rod drive open and close door 3 to close, because piston rod is not provided with self-locking mechanism, so that piston rod does not affect when open and close door 3 opens and closes, but piston rod can complete the closing work of open and close door 3 in the operating state of cylinder;

[0033] Same as above, when wind pressure changes, bearing block 6 will be raised and lowered, to drive cleaning roller 11 to slide on the surface of filter screen 9, to clean filter screen 9, when needing to clean cleaning roller 11, pull up bearing block 6, so that it is separated from filter screen 9, and when needing to replace cleaning roller 11, use tool to disassemble threaded peg 13, release the limit of mounting block 12, can be fixedly installed.

[0034] It needs to be explained that the connection mode of the door body 2 and the opening and closing door 3 is rotating connection, the inner side of the opening and closing door 3 is provided with a cylinder and a piston rod, and the outer side of the cylinder is provided with an explosion-proof mechanism.

[0035] It needs to be explained that the opening and closing door 3 is integrally installed with the counterweight rope 5, the connection mode of the counterweight rope 5 and the steering block 4 is sliding connection, the counterweight rope 5 is integrally installed with the bearing block 6, through the cooperation of the opening and closing door 3 and the counterweight rope 5, the bearing block 6 can pull and open and close the opening and closing door 3, so that the opening and closing door 3 is in a constant state.

[0036] It needs to be explained that the inner side of the bearing block 6 is uniformly and equidistantly distributed with the partition plate 10, the connection mode of the bearing block 6 and the counterweight block 7 is sliding connection, the counterweight block 7 forms a magnetic attraction structure with the bearing block 6 through the magnetic attraction block 14, and the counterweight block 7 is quickly installed and disassembled through the magnetic attraction block 14.

[0037] It needs to be explained that the two sides of the mounting block 12 are connected with the threaded nails 13, the center of the mounting block 12 is connected with the cleaning roller 11, and the inner side of the cleaning roller 11 is also provided with the filter screen 9, the filter screen 9 is cleaned by cooperating with the cleaning roller 11, so that the filter screen 9 is prevented from accumulating too much dust.

[0038] It needs to be explained that the mounting block 12 is symmetrically distributed on the center of the bearing block 6, the mounting block 12 forms threaded connection with the bearing block 6 through the threaded nails 13, the mounting block 12 is in "L" type structure, the cleaning roller 11 is cleaned and replaced by cooperating with the threaded nails 13 and the mounting block 12.

[0039] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A mine ventilation air door arrangement comprising a door frame (1), characterised in that: The inside of the door frame (1) is connected with the door body (2), the inner side of the door body (2) is connected with the opening and closing door (3), the periphery of the opening and closing door (3) is also connected with the sealing rubber (8), the outer side of the opening and closing door (3) is connected with the counterweight rope (5), the center of the counterweight rope (5) is connected with the steering block (4), the lower side of the counterweight rope (5) is connected with the bearing block (6), the inside of the bearing block (6) is connected with the counterweight block (7), the inner side of the bearing block (6) is also connected with the partition plate (10), the two sides of the counterweight block (7) are connected with the magnetic attraction block (14), the lower side of the bearing block (6) is also connected with the connecting spring (15). The inner side of the bearing block (6) is also connected with the mounting block (12), the two sides of the mounting block (12) are connected with the threaded peg (13), the center of the mounting block (12) is connected with the cleaning roller (11), the inner side of the cleaning roller (11) is also provided with the filter screen (9).

2. A damper device for mine ventilation according to claim 1, characterized in that: The connection mode of the door body (2) and the opening and closing door (3) is rotating connection, the inner side of the opening and closing door (3) is provided with the air cylinder and the piston rod, and the outer side of the air cylinder is provided with the explosion-proof mechanism.

3. The air door device for mine ventilation according to claim 1, characterized in that: The opening and closing door (3) is integrally installed with the counterweight rope (5), the connection mode of the counterweight rope (5) and the steering block (4) is sliding connection, and the counterweight rope (5) is integrally installed with the bearing block (6).

4. The air door assembly of claim 1, wherein: The inner side of the bearing block (6) is uniformly and equidistantly distributed with the partition plate (10), the connection mode of the bearing block (6) and the counterweight block (7) is sliding connection, and the counterweight block (7) forms a magnetic attraction structure with the bearing block (6) through the magnetic attraction block (14).

5. The air door assembly of claim 1, wherein: The cleaning roller (11) is closely attached to the filter screen (9), the filter screen (9) is integrally installed with the door body (2), and the connection mode of the cleaning roller (11) and the mounting block (12) is rotating connection.

6. A damper device for mine ventilation according to claim 1, characterized in that: The mounting block (12) is symmetrically distributed on the center of both sides of the bearing block (6), the mounting block (12) forms threaded connection with the bearing block (6) through the threaded peg (13), and the mounting block (12) is in "L" type structure.

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