Wind flow reversing prevention device for coal mine belt conveyor to penetrate through outburst prevention facility

Abstract

The utility model discloses an air flow reversal prevention device for a coal mine belt conveyor to penetrate through an outburst prevention facility, which comprises a frame shaped like a Chinese character'ri 'and arranged on a wall mounting hole of the outburst prevention facility; the belt conveyor rack is arranged in the frame shaped like the Chinese character'ri '; the upper carrier roller and the lower carrier roller are respectively arranged in the upper mounting opening and the lower mounting opening of the B-shaped frame, are mutually connected with the belt conveyor rack and are respectively provided with a belt; the upper overturning blade is rotatably arranged at the upper part of the upper carrier roller and completely blocks the upper space of the upper carrier roller; the lower overturning blade is rotatably arranged at the upper part of the lower carrier roller and completely blocks the upper space of the lower carrier roller; and the lower space of the upper carrier roller and the lower carrier roller is blocked by a brick-concrete wall body.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine ventilation system technical field, especially relates to the wind flow reversal device of coal mine belt conveyor through the anti -outburst facility. BACKGROUND

[0002] The mine is a "low bog, coal (rock) and CO2 outburst mine", so the coal (rock) and CO2 outburst excavation working face is made into the anti -outburst facility partition and the air return, and the air is supplied by using the pressure -in type local fan to form an independent ventilation system. UTILITY MODEL CONTENTS

[0003] In view of the above technical problem, the utility model provides the wind flow reversal device of coal mine belt conveyor through the anti -outburst facility.

[0004] In order to realize the above -mentioned purpose, the technical scheme of the utility model is as follows:

[0005] The wind flow reversal device of coal mine belt conveyor through the anti -outburst facility, including:

[0006] The day -shaped frame is set up on the wall body mounting hole of the anti -outburst facility;

[0007] The belt conveyor rack is set up in the day -shaped frame;

[0008] The upper and lower supporting rollers are respectively set up in the upper and lower installation ports of the day -shaped frame and are interconnected with the belt conveyor rack, and the upper and lower supporting rollers are all provided with the belt;

[0009] The upper turnover blade is rotatably set up on the upper part of the upper supporting roller and completely blocks the upper space of the upper supporting roller;

[0010] The lower turnover blade is rotatably set up on the upper part of the lower supporting roller and completely blocks the upper space of the lower supporting roller;

[0011] The lower space of the upper and lower supporting rollers is blocked by the brick -concrete wall.

[0012] The top of the upper and lower turnover blades is interconnected with the corresponding position of the day -shaped frame through the hinge.

[0013] The utility model further includes:

[0014] The upper supporting rod is correspondingly arranged with the side wall of the upper turnover blade;

[0015] The upper connecting rod is hingedly connected with the day -shaped frame at the bottom and is hingedly connected with the side wall of the upper supporting rod at the top;

[0016] The upper pull spring is arranged at the tail of the upper supporting rod, and the top thereof is connected with the side wall of the upper supporting rod, and the bottom thereof is connected with the side wall of the bottom of the upper connecting rod;

[0017] The lower supporting rod is arranged corresponding to the side wall of the lower turning blade;

[0018] The lower connecting rod is hinged at the top with the frame in the shape of Chinese character 'radical 12', and is hinged at the bottom with the side wall of the lower supporting rod;

[0019] The lower pull spring is arranged at the tail of the lower supporting rod, and the top thereof is connected with the side wall of the lower connecting rod, and the bottom thereof is connected with the side wall of the lower supporting rod.

[0020] The utility model discloses the beneficial effect is:

[0021] 1. The utility model discloses when the belt conveyor stops the transportation state, the upper turning blade and the lower turning blade naturally droop, and closely contact with the upper belt of the belt conveyor, thereby blocking the wind flow and preventing the wind flow from reversing, effectively preventing gas, coal dust explosion and coal (rock) and CO2 outburst from preventing the wind flow from reversing.

[0022] 2. When the belt conveyor needs to run, the upper turning blade and the lower turning blade are turned to form a 45° angle with the facility wall before running, the upper supporting rod and the lower supporting rod are opened respectively, the upper turning blade and the lower turning blade are supported by the upper supporting rod and the lower supporting rod respectively, the belt curtain on the air inlet side of the belt conveyor always keeps a drooping state and closely contacts with the transported material on the belt conveyor, effectively preventing the wind flow from reversing without affecting the normal running of the belt conveyor, when gas, coal dust explosion or coal (rock) and CO2 outburst occurs, the upper turning blade and the lower turning blade generate pressure on the upper supporting rod and the lower supporting rod under the action of the shock wave, the upper supporting rod and the lower supporting rod slide, the upper turning blade and the lower turning blade naturally droop and closely contact with the transported material on the belt conveyor without the support of the supporting rod, thereby blocking the wind flow from reversing, effectively preventing the accident caused by gas, coal dust explosion and coal (rock) and CO2 outburst from reversing the wind flow to further expand, which has important significance for the safety production of the mine.

[0023] 3. The utility model discloses that good effect is obtained in practical application, the problem of the wind flow from reversing, air leakage and the performance deficiency of the outburst prevention facility of the belt conveyor passage is effectively solved under the stop running state and the running state of the belt conveyor, the safety and reliability of the outburst prevention facility are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0024] The utility model is further illustrated below in connection with the drawings and the embodiments:

[0025] Figure 1 It is the use state diagram of the utility model.

[0026] Figure 2 It is the structure schematic diagram of the present application.

[0027] Figure 3 It is the sectional view of the present application.

[0028] Figure 4 It is the structure schematic diagram of the present application.

[0029] Figure 5 It is the structure schematic diagram of the present application. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the present application more clear, specific embodiments will be further described in detail below with reference to the drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present application. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present application.

[0031] As shown in Figure 1 and Figure 2 shown, the coal mine belt conveyor passes through the wind flow reversing device of the outburst prevention facility, comprising: a square frame 1 arranged on the wall mounting hole of the outburst prevention facility; a belt conveyor rack 6 arranged in the square frame 1; an upper roller 3 and a lower roller 13 arranged in the upper and lower mounting holes of the square frame 1 respectively, and connected with each other with the belt conveyor rack 6, and a belt is arranged on each of them; an upper turning vane 5 rotatably arranged on the upper part of the upper roller 3 and completely blocking the upper space of the upper roller 3; a lower turning vane 10 rotatably arranged on the upper part of the lower roller 13 and completely blocking the upper space of the lower roller 13; wherein the lower space of the upper roller 3 and the lower roller 13 is blocked by the brick-concrete wall 4. The top of the upper turning vane 5 and the lower turning vane 10 is connected with the corresponding position of the square frame 1 through the hinge 2.

[0032] As shown in Figures 3 to 5 , the present application further comprises: an upper support rod 7 arranged corresponding to the side wall of the upper turning vane 5; an upper connecting rod 9 hingedly connected with the square frame 1 at the bottom and hingedly connected with the side wall of the upper support rod 7 at the top; an upper tension spring 8 arranged at the tail of the upper support rod 7, with the top connected with the side wall of the upper support rod 7 and the bottom connected with the side wall of the upper connecting rod 9; a lower support rod 11 arranged corresponding to the side wall of the lower turning vane 10; a lower connecting rod 14 hingedly connected with the square frame 1 at the top and hingedly connected with the side wall of the lower support rod 11 at the bottom; a lower tension spring 12 arranged at the tail of the lower support rod 11, with the top connected with the side wall of the lower connecting rod 14 and the bottom connected with the side wall of the lower support rod 11.

[0033] The utility model discloses a frame structure of the frame is embedded in the wall of the facility in advance when the belt conveyor transports through the outburst prevention facility, and the air inlet side belt channel uses the bolt of diameter 22mm to fix the skin curtain to prevent air leakage, and the air return side bottom belt channel is the lower installation mouth of the square frame 1 and the upper installation mouth of the square frame 1, respectively makes the installation of upper turnover blade 5 and lower turnover blade 10 and corresponding upper support rod 7 and lower support rod 11, and the belt conveyor does not use upper support rod 7 and lower support rod 11 when not running, makes the air return side upper turnover blade 5 and lower turnover blade 10 keep natural droop, and cooperates with the air inlet side skin curtain, can effectively prevent gas, coal dust explosion or coal (rock) and CO2 outburst wind flow reversal effect.

[0034] When the coal cutting and tunneling of the tunneling face, the upper support rod 7 and the lower support rod 11 are supported before the belt conveyor runs, the upper tension spring 8 and the lower tension spring 12 are connected, the transportation channel is opened, the belt conveyor is started, the air return side skin curtain is in close contact with the material transported by the belt conveyor at this time, and the wind flow reversal is effectively prevented, when the gas, coal dust explosion or coal (rock) and CO2 outburst wind flow reaction force is received, the upper support rod 7 and the lower support rod 11 slide to both sides, the shock wave pushes the upper turnover blade 5 and the lower turnover blade 10 to automatically close, is in close contact with the upper belt of the belt conveyor, and the gas, coal dust explosion coal (rock) and CO2 outburst and wind flow reversal effect are effectively prevented in the transportation of the belt conveyor.

[0035] It should be understood that the above specific embodiments of the utility model are only used for example or explanation of the principle of the utility model, and do not constitute the limitation of the utility model. Therefore, any modification, equivalent replacement, improvement, etc. made without deviating from the spirit and scope of the utility model should be included in the protection scope of the utility model. In addition, the utility model attached claims are intended to cover all changes and modifications falling into the scope and boundary of the attached claims, or the equivalent form of such scope and boundary.

Claims

1. A wind current reversal device for a coal mine belt conveyor passing through a outburst prevention facility, characterized in that, Comprising: A rectangular frame (1) is arranged on the wall mounting holes of the outburst prevention facility; A belt conveyor frame (6) is arranged inside the rectangular frame (1); Upper idlers (3) and lower idlers (13) are respectively arranged in the upper and lower mounting openings of the rectangular frame (1), and are interconnected with the belt conveyor frame (6), and belts are arranged on both of them; An upper turning blade (5) is rotatably arranged above the upper idler (3) and completely seals the upper space of the upper idler (3); A lower turning blade (10) is rotatably arranged above the lower idler (13) and completely seals the upper space of the lower idler (13); Among them, the lower spaces of the upper idler (3) and the lower idler (13) are sealed by a brick-concrete wall (4).

2. The wind flow reversing device of the coal mine belt conveyor passing through the outburst prevention facility according to claim 1, characterized in that, The tops of the upper turning blade (5) and the lower turning blade (10) are respectively connected to the corresponding positions of the rectangular frame (1) through hinges (2).

3. The wind current reversal device of the coal mine belt conveyor passing through the outburst prevention facility according to claim 1, characterized in that, It further comprises: An upper support rod (7) is correspondingly arranged with the side wall of the upper turning blade (5); An upper connecting rod (9) is hinged at the bottom to the rectangular frame (1) and at the top to the side wall of the upper support rod (7); An upper tension spring (8) is arranged at the tail of the upper support rod (7), its top is connected to the side wall of the upper support rod (7), and its bottom is connected to the side wall at the bottom of the upper connecting rod (9); A lower support rod (11) is correspondingly arranged with the side wall of the lower turning blade (10); A lower connecting rod (14) is hinged at the top to the rectangular frame (1) and at the bottom to the side wall of the lower support rod (11); A lower tension spring (12) is arranged at the tail of the lower support rod (11), its top is connected to the side wall of the lower connecting rod (14), and its bottom is connected to the side wall of the lower support rod (11).

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