Ventilation wall for coal mine gas control

Abstract

The utility model discloses a ventilation wall for coal mine gas control, and relates to the technical field of ventilation walls. The air door comprises a frame and further comprises a wind shield arranged in the frame, the inner wall of the frame is movably connected with the surface of the wind shield, a rectangular groove is formed in the center of the wind shield, a door frame is arranged in the rectangular groove, an air door is arranged in the door frame, and rectangular grooves and locking mechanisms are symmetrically formed in one side of the wind shield. The locking device is arranged in the wind shield and used for locking the frame and the wind shield; by arranging the frame, the wind shield, the electromagnet and the locking mechanism, during use, the frame is installed in a mine hole, the wind shield is installed in the frame, then a worker rotates a rotating rod clockwise to enable a worm gear to rotate, a rack plate drives a limiting block to be inserted into a limiting groove, and locking of the frame and the wind shield is achieved; and during electrification, the electromagnet can adsorb the annular metal block upwards, so that the sealing performance of the ventilation wall is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of wind wall, especially relates to a wind wall for coal mine gas control. BACKGROUND

[0002] The wind wall is mainly composed of a wind door wall and a wind door, the wind door wall is built by bricks and concrete, the wind door is installed on the wind door wall, the wind door wall is built in the roadway sides of a roadway, and the wind door is applied to a ventilation system of a coal mine shaft.

[0003] The wind wall for coal mine gas control is used currently, the ventilation in the roadway is controlled by controlling the opening and closing of the wind door, the wind wall is built by bricks and concrete, the sealing effect is poor, gas leakage may be caused, professional removal tools are needed to remove the wind wall, and the wind wall cannot be used again after being removed. UTILITY MODEL CONTENTS

[0004] In view of the above-mentioned shortcomings of the prior art, the utility model provides a wind wall for coal mine gas control, which can effectively solve the problems of the prior art.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model relates to a wind wall for coal mine gas control, which comprises a frame, and further comprises: a wind baffle arranged in the frame, and the inner wall of the frame is movably connected with the surface of the wind baffle, a rectangular groove is formed in the center of the wind baffle, a door frame is arranged in the rectangular groove, and a wind door is arranged in the door frame.

[0007] A locking mechanism is arranged in the wind baffle and used for locking the frame and the wind baffle.

[0008] Further, the rectangular groove is circularly arranged and has three groups of rectangular grooves on one side of the wind baffle, three groups of limiting grooves are circularly arranged in the frame, a first annular limiting groove is formed in one side of the inner wall of the frame, and a plurality of electromagnets are circularly arranged in the frame.

[0009] Further, the locking mechanism comprises a rotating rod, a worm, a worm wheel, a rack plate and a limiting block, the rotating rod is arranged in the rectangular groove, one end of the rotating rod is connected with the worm, the worm is meshed with the worm wheel below, the worm wheel is meshed with the rack plate below, the lower surface of the rack plate is slidably connected with the inside of the rectangular groove, and the one end of the rack plate is fixedly connected with the limiting block.

[0010] Further, the size of the limiting block is matched with the size of the limiting slot on both sides of the frame.

[0011] Further, the surface of the wind baffle is provided with a second annular limiting slot, the inside of the second annular limiting slot is provided with a spring, one end of the spring is fixedly connected in the inside of the second annular limiting slot, and the other end is fixedly connected with an annular metal block.

[0012] Further, the upper surface of the annular metal block is provided with a sealing gasket, and the size of the sealing gasket is the same as the size of the first annular limiting slot in the inside of the frame.

[0013] The utility model has the following beneficial effects:

[0014] The utility model discloses a frame, a wind baffle, an electromagnet and locking mechanism are set up, when using, the frame is installed in the mine cave, the wind baffle is installed in the inside of the frame, then the worker rotates the rotating rod, and the worm rotates, then the worm wheel rotates, and the rack plate drives the limiting block to insert the inside of the limiting slot along with the rotation of the worm wheel, thereby realizing the locking of the frame and the wind baffle, then energization makes the electromagnet have magnetism, and the electromagnet attracts the annular metal block forward, and the rubber pad on the surface of the annular metal block blocks the gap between the wind baffle and the frame, thereby increase the sealing property of the wind wall, and when needing to remove the wind wall, only need to make the annular metal block fall from the first annular limiting slot in the power off, and the rotating rod is rotated to reset the limiting block to the inside of the rectangular groove, thereby completing the dismounting and making the wind wall can continue to use. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0016] Figure 1 It is the front view schematic diagram of the wind wall for coal mine gas control of the utility model;

[0017] Figure 2 It is the rear view schematic diagram of the wind wall for coal mine gas control of the utility model;

[0018] Figure 3 It is the frame structure schematic diagram of the wind wall for coal mine gas control of the utility model;

[0019] Figure 4 It is the wind baffle structure schematic diagram of the wind wall for coal mine gas control of the utility model;

[0020] Figure 5This is a schematic diagram of the annular metal block structure of the ventilation wall for coal mine gas control according to this utility model;

[0021] Figure 6 This is a schematic diagram of the wind wall locking mechanism for coal mine gas control according to this utility model.

[0022] The components represented by each number in the attached diagram are listed below: 1. Frame; 101. Limiting groove one; 102. First annular limiting groove; 2. Wind baffle; 201. Rectangular groove; 202. Rotating rod; 203. Worm; 204. Worm wheel; 205. Rack plate; 206. Limiting block; 207. Second annular limiting groove; 3. Door frame; 4. Air damper; 5. Spring; 6. Annular metal block; 7. Electromagnet. Detailed Implementation

[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0024] Please see Figures 1-6 As shown, this utility model is a windbreak wall for coal mine gas control, including a frame 1, and further including: a wind baffle 2 is provided inside the frame 1, and the inner wall of the frame 1 is movably connected to the surface of the wind baffle 2. A rectangular groove 201 is opened at the center of the wind baffle 2, and a door frame 3 is provided inside the rectangular groove 201. An air door 4 is provided inside the door frame 3. A rectangular groove 201 is symmetrically opened on one side of the wind baffle 2. The internal dimensions of the frame 1 are the same as the dimensions of the wind baffle 2. When the wind wall needs to be disassembled, the limiting block 206 can be pulled out from the limiting groove 101. The wind baffle 2 can be reused. A sealing ring is tightly fitted between the door frame 3 and the air door 4, which can increase the airtightness of the wind wall without affecting the opening and closing of the air door 4. The airflow in the coal mine is shielded by the wind wall when it flows, thereby preventing the leakage of gas in the airflow.

[0025] Three sets of rectangular grooves 201 are arranged in a circular array on one side of the wind deflector 2. Three sets of limiting grooves 101 are arranged in a circular array inside the frame 1. A first annular limiting groove 102 is provided on one side of the inner wall of the frame 1. Multiple sets of electromagnets 7 are arranged in a circular array inside the frame 1. A circular groove is provided on the surface of the frame 1, and the electromagnets 7 are arranged inside the circular groove. The setting of three sets of limiting grooves 101 can better ensure the stability between the wind deflector 2 and the frame 1 during use. In addition, the bottom surface of the limiting groove 101 is also provided with a sliding groove so that the limiting block 206 can slide in the limiting groove 101.

[0026] The locking mechanism is arranged inside the wind shield 2 and is used for locking the frame 1 and the wind shield 2, and the locking mechanism comprises a rotating rod 202, a worm 203, a worm wheel 204, a rack plate 205 and a limiting block 206, the rotating rod 202 is arranged inside the rectangular groove 201, one end of the rotating rod 202 is connected with the worm 203, the lower part of the worm 203 is engaged with the worm wheel 204, the lower part of the worm wheel 204 is engaged with the rack plate 205, the lower surface of the rack plate 205 is slidingly connected inside the rectangular groove 201, one end of the rack plate 205 is fixedly connected with the limiting block 206, one end of the rotating rod 202 extends outside the rectangular groove 201, and the other end is rotatably connected to the inner wall of the rectangular groove 201, the middle part of the worm 203 is provided with a supporting plate, the worm 203 passes through the supporting plate, so that the worm 203 is not arranged in suspension, the lower part of the worm 203 is engaged with the worm wheel 204, a fixed rod penetrates through the center of the worm wheel 204, and both ends of the fixed rod are fixedly connected to the inner wall of the rectangular groove 201, when a worker rotates the rotating rod 202 clockwise, the worm 203 rotates, the worm wheel 204 engaged with the lower part of the worm 203 starts to rotate, the rack plate 205 engaged with the lower part of the worm wheel 204 starts to move, the rack plate 205 pushes the limiting block 206 to move inside the rectangular groove 201, so that the limiting block 206 can be inserted into the limiting groove one 101 on both sides of the frame 1, the locking between the frame 1 and the wind shield 2 is realized, and the stability of the wind shield 2 is increased, and the wind shield 2 is prevented from shaking.

[0027] The size of the limiting block 206 is matched with the size of the limiting groove one 101 arranged on both sides of the frame 1, the limiting blocks 206 on both sides of the wind shield 2 are shrunk inside the wind shield 2 when not installed, and when installed, the limiting blocks 206 only need to be inserted into the limiting groove one 101, so that the wind shield 2 and the frame 1 are locked and installed.

[0028] A second annular limiting groove 207 is arranged on the surface of the wind shield 2, a spring 5 is arranged inside the second annular limiting groove 207, one end of the spring 5 is fixedly connected inside the second annular limiting groove 207, the other end is fixedly connected with an annular metal block 6, a sealing gasket is arranged on the upper surface of the annular metal block 6, the size of the sealing gasket is the same as the size of the first annular limiting groove 102 arranged inside the frame 1, the annular metal block 6 is slidingly connected inside the first annular limiting groove 102, when the electromagnet 7 is powered, the electromagnet 7 has magnetism and moves the annular metal block 6 forward, at the same time, the annular metal block 6 stretches the spring 5, so that the spring 5 is in a stretched state, the sealing gasket on the upper surface of the annular metal block 6 can seal the gap between the frame 1 and the wind shield 2, so as to further increase the sealing property of the wind wall and prevent gas leakage, and when power is off, the spring 5 pulls the annular metal block 6 back into the second annular limiting groove 207 to complete resetting.

[0029] Working principle: when installing the wind wall, first, the frame 1 is fixed and installed on the surface of the wall according to the size of the mine hole, then the baffle 2 is installed into the inside of the frame 1, then the worker rotates the rotating rod 202, the worm 203 rotates, the worm 203 below engages the worm gear 204, the rack plate 205 and the limiting block 206 on one side of the rack plate 205 move outward, and the limiting block 206 is inserted into the inside of the limiting slot one 101, then the door frame 3 is installed in the rectangular slot 201 on the surface of the baffle 2, the air door 4 is installed in the inside of the door frame 3, then the power is started to make the electromagnet 7 in the inside of the frame 1 have magnetism, the annular metal block 6 in the inside of the baffle 2 is adsorbed upward, the sealing gasket on the upper surface of the annular metal block 6 seals the gap between the baffle 2 and the frame 1, so that the installation of the wind wall is realized, when the wind wall needs to be removed, first, the power is turned off, the annular metal block 6 is returned to the inside of the second annular limiting slot 207 under the tension of the spring 5, then the rotating rod 202 is counterclockwise rotated to make the limiting block 206 return to the inside of the baffle 2, so that the removal is completed.

[0030] The above is only the preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement, improvement of the technical scheme recorded in the foregoing embodiments, belongs to the protection scope of the present application.

Claims

1. A wind wall for coal mine gas control, comprising a frame (1), characterized in that, Also include: The inside of the frame (1) is provided with a baffle (2), and the inner wall of the frame (1) is movably connected with the surface of the baffle (2), a rectangular slot (201) is formed in the center of the baffle (2), and a door frame (3) is arranged in the rectangular slot (201). The inside of the door frame (3) is provided with a damper (4), and a rectangular slot (201) is formed on one side of the baffle (2). Locking mechanism, arranged in the inside of the baffle (2), for locking the frame (1) and the baffle (2).

2. The air wall for coal mine gas control according to claim 1, characterized in that, The rectangular slot (201) is circularly arranged with three groups on one side of the baffle (2), the inside of the frame (1) is circularly arranged with three groups of limiting grooves (101), a first annular limiting groove (102) is formed on one side of the inner wall of the frame (1), and the inside of the frame (1) is circularly arranged with multiple electromagnets (7).

3. The air wall for coal mine gas control according to claim 1, characterized in that, The locking mechanism comprises a rotating rod (202), a worm (203), a worm wheel (204), a rack plate (205) and a limiting block (206), the rectangular slot (201) is provided with a rotating rod (202), one end of the rotating rod (202) is connected with a worm (203), the lower part of the worm (203) is engaged with a worm wheel (204), the lower part of the worm wheel (204) is engaged with a rack plate (205), the lower surface of the rack plate (205) is slidably connected in the rectangular slot (201), and one end of the rack plate (205) is fixedly connected with a limiting block (206).

4. The air wall for coal mine gas control according to claim 3, characterized in that, The size of the limiting block (206) is matched with the size of the limiting groove (101) formed on both sides of the frame (1).

5. The air wall for coal mine gas control according to claim 1, characterized in that, The surface of the baffle (2) is provided with a second annular limiting groove (207), the second annular limiting groove (207) is provided with a spring (5), one end of the spring (5) is fixedly connected in the second annular limiting groove (207), and the other end is fixedly connected with a annular metal block (6).

6. The air wall for coal mine gas control according to claim 5, characterized in that, The upper surface of the annular metal block (6) is provided with a sealing gasket, and the size of the sealing gasket is the same as the size of the first annular limiting groove (102) formed in the inside of the frame (1).

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