Ventilation safety monitoring equipment for coal mine

Abstract

The utility model relates to the technical field of ventilation equipment, in particular to ventilation safety monitoring equipment for a coal mine, which has the characteristics of improving stability and practicability, and comprises a ventilation opening, a ventilation plate hinged to the left part of the ventilation opening, a fan motor mounted in the middle of the ventilation plate, and a support plate arranged at the lower part of the ventilation plate, a fixing groove is formed in one side of the supporting plate, a locking device is rotationally connected to the lower portion of the ventilation opening, one end of the locking device rotates into the fixing groove, and therefore the supporting plate is fixed, a threaded hole is formed in the upper portion of the ventilation plate, and a bolt is connected to the upper portion of the ventilation plate in a threaded mode. Another threaded hole is formed in the left portion of the upper portion of the ventilation opening and is in threaded connection with the bolt.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilation equipment technical field, concretely is a coal mine ventilation safety monitoring equipment. BACKGROUND

[0002] It is known that coal mine ventilation as one of main technical means of guaranteeing coal mine safety production, its can dilute downhole carbon monoxide, carbon dioxide, nitrogen dioxide, sulfur dioxide, hydrogen sulfide, methane and other harmful gases and supply downhole enough fresh air, has important significance to guarantee safety production, adjust downhole climate, create good working environment.

[0003] The utility model discloses a coal mine ventilation safety monitoring equipment, including ventilation, support, fan motor, locking mechanism, locking mechanism includes convex part, bolt, locking hole, bolt is driven by drive unit and moves in the direction away from the support under natural conditions, and then makes the bolt insert into the locking hole, the inner wall on the opposite side of ventilation is hinged with the baffle along its axial direction, and the two baffles are driven by swing drive mechanism and swing along the hinge of the inner wall of ventilation, and then adjust the opening angle of the two baffles.

[0004] Although the device inserts the bolt into the locking hole of the ventilation by the spring pulling the pull block, the fan motor will produce strong vibration force during work, and transmit on the support, bolt and spring, the spring is easy to shake under the action of vibration force for a long time, and the degree of its own elastic loss is large, so the bolt is easy to separate from the locking hole, so the fixing effect of the support is not very good, and when the staff disassembles the bolt, when the fan motor is not stable, the fan motor and the support are easy to rotate into the ventilation, so that the fan blade of the fan motor hits the bottom of the ventilation and is damaged, and the device does not have the device of blocking the rotation of the support into the ventilation, so the practicability is not very good, and there is room for improvement. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] In view of the defects of prior art, the utility model provides a coal mine ventilation safety monitoring equipment, which has the characteristics of improving stability and practicability.

[0007] (II) technical scheme

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a ventilation safety monitoring device for coal mines, comprising a ventilation opening, a ventilation plate hinged on the left side of the ventilation opening, a fan motor installed in the middle of the ventilation plate, a support plate provided at the lower part of the ventilation plate for supporting the ventilation plate and the fan motor, a fixing groove provided on one side of the support plate, a locking device rotatably connected to the lower part of the ventilation opening, one end of the locking device rotates into the fixing groove, thereby fixing the support plate, a threaded hole provided on the upper part of the ventilation plate, and a bolt threadedly connected thereto, another threaded hole provided on the left side of the upper part of the ventilation opening, and threadedly connected to the bolt.

[0009] Furthermore, the locking device includes a connecting rod rotatably connected to the vent, and a plurality of locking rods are provided on one side of the connecting rod.

[0010] Furthermore, the locking rod includes a moving rod fixedly connected to the connecting rod, one side of the moving rod includes a fixing rod inserted into the fixing groove, and the cross-sections of the fixing rod and the moving rod are hook-shaped.

[0011] Furthermore, a load-bearing block is provided at the front of the connecting rod to increase the weight of the connecting rod. A handle is provided at the front of the load-bearing block to facilitate the staff to grasp the handle and rotate the load-bearing block. A gap is provided between the load-bearing block and the vent to prevent friction between the load-bearing block and the vent when rotating.

[0012] Preferably, a space is provided between the support plate and the fan motor, and a space is provided between the support plate and the inner wall of the vent.

[0013] Preferably, a rotating plate is provided on the left side of the bolt.

[0014] (3) Beneficial effects

[0015] Compared with the existing technology, the utility model provides a ventilation safety monitoring device for coal mines, which has the following beneficial effects:

[0016] The ventilation safety monitoring equipment for coal mines is supported at the bottom of the ventilation port by a support plate, which supports the ventilation plate and prevents the ventilation plate from rotating into the ventilation port when the fan motor is disassembled, thereby improving practicality to a certain extent. Secondly, by rotating the connecting rod, one end of the fixed rod is inserted into the fixing groove of the support plate, so that the support plate can be fixed, and the stability of the support plate is improved, thereby buffering part of the vibration force of the fan motor during operation, ensuring the stability of the bolt installed in the threaded hole, and improving a certain stability compared to the tension provided by the relative spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a three-dimensional schematic diagram of the utility model;

[0018] Figure 2 It is a structural diagram of the utility model;

[0019] Figure 3 This is a three-dimensional schematic diagram of the ventilation plate and the support plate of the utility model after being rotated to a certain angle;

[0020] Figure 4 This is an enlarged three-dimensional schematic diagram of the connecting rod, movable rod and fixed rod of the present invention;

[0021] Figure 5 For this utility model Figure 1 A schematic diagram of the structure of the local enlargement shown in FIG;

[0022] Figure 6 For this utility model Figure 2 A schematic diagram of the structure of the local enlargement of point B shown in FIG;

[0023] Figure 7 For this utility model Figure 2 A schematic diagram of the structure of the local enlargement of point C shown in FIG;

[0024] Figure 8 For this utility model Figure 3 A schematic diagram of the structure of the local enlargement at D shown in FIG.

[0025] In the figure: 1. Ventilation port; 2. Ventilation plate; 3. Fan motor; 4. Support plate; 5. Fixing slot; 6. Bolt; 7. Connecting rod; 8. Moving rod; 9. Fixing rod; 10. Load-bearing block; 11. Handle; 12. Rotating plate. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1-8The utility model is a ventilation safety monitoring device for coal mines, comprising a ventilation port 1, a ventilation plate 2 hingedly connected to the left side of the ventilation port 1, a fan motor 3 installed in the middle of the ventilation plate 2, and the fan motor 3 is started to deliver air. A support plate 4 is provided at the lower part of the ventilation plate 2 for supporting the ventilation plate 2 and the fan motor 3 to prevent the fan motor 3 from falling into the interior of the ventilation port 1 when the fan motor 3 is disassembled. A fixing groove 5 is provided on one side of the support plate 4, and a locking device is rotatably connected to the lower part of the ventilation port 1. One end of the locking device is It is rotated into the fixing groove 5 to fix the support plate 4 to prevent the fan motor 3 from shaking during operation, which causes the support plate 4 to move. A threaded hole is provided on the upper part of the ventilation plate 2, and a bolt 6 is threadedly connected to it. Another threaded hole is provided on the left part of the upper part of the vent 1, and is threadedly connected to the bolt 6. The threaded connection between the bolt 6 and the threaded hole makes the connection between the ventilation plate 2 and the vent 1 more stable, avoiding the vibration generated by the fan motor 3 during operation, and causing the upper part of the ventilation plate 2 and the vent 1 to separate.

[0028] The locking device includes a connecting rod 7 that is rotatably connected to the vent 1. Several locking rods are provided on one side of the connecting rod 7. When the connecting rod 7 rotates, one side of the locking rod is inserted into the fixing groove 5, thereby hooking the support plate 4.

[0029] The locking rod includes a moving rod 8 fixedly connected to the connecting rod 7. One side of the moving rod 8 includes a fixing rod 9 inserted into the fixing groove 5. The cross-sections of the fixing rod 9 and the moving rod 8 are hook-shaped, which facilitates the moving rod 8 to rotate into the fixing groove 5, thereby hooking the support plate 4.

[0030] A load-bearing block 10 is provided at the front of the connecting rod 7, which is used to increase the weight of the connecting rod 7 so that the moving rod 8 can be inserted into the fixed groove 5 when the load-bearing block 10 is in a vertical state. A handle 11 is provided at the front of the load-bearing block 10, which is convenient for the staff to grasp the handle 11 and rotate the load-bearing block 10, thereby driving the connecting rod 7, the fixed rod 9 and the moving rod 8 to rotate, so that the moving rod 8 is disengaged from the fixed groove 5. A gap is provided between the load-bearing block 10 and the vent 1 to prevent friction with the vent 1 when the load-bearing block 10 is rotated, thereby preventing unnecessary wear.

[0031] A gap is set between the support plate 4 and the fan motor 3 to prevent the fan motor 3 from colliding with the fan motor 3 during operation. A gap is set between the support plate 4 and the inner wall of the vent 1 to prevent the support plate 4 from rubbing against the vent 1 when the ventilation plate 2 rotates, thereby preventing unnecessary wear.

[0032] A rotating plate 12 is provided on the left side of the bolt 6 , so that a worker can grasp the rotating plate 12 and rotate the bolt 6 .

[0033] To sum up, when using the ventilation safety monitoring equipment for coal mines, the staff rotates the ventilation plate 2 to a vertical state, screws the bolt 6 into the threaded holes of the ventilation plate 2 and the vent 1, then grabs the handle 11 and rotates it counterclockwise to drive the load-bearing block 10 to rotate, and drives the connecting rod 7 to rotate. The connecting rod 7 drives the fixed rod 9 and the movable rod 8 to rotate until it rotates ninety degrees and makes the load-bearing block 10 in a vertical state, and the movable rod 8 is inserted into the fixing groove 5 of the support plate 4. At this time, the support plate 4 is fixed to fix the fan motor 3 and the ventilation plate 2. When the fan motor 3 needs to be disassembled, the handle 11 is rotated clockwise to drive the connecting rod 7, the fixed rod 9 and the movable rod 8 to rotate, and the movable rod 8 is moved out of the fixing groove 5. Then, the rotating plate 12 on one side of the bolt 6 is grabbed to drive the bolt 6 to rotate. After disengaging from the threaded hole of the vent 1, the ventilation plate 2 can be rotated to the outside of the vent 1.

[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ventilation safety monitoring device for a coal mine, comprising a ventilation opening (1), characterized in that: The left part of the vent (1) is hinged with an air vent plate (2), the middle part of the air vent plate (2) is installed with a fan motor (3), the lower part of the air vent plate (2) is provided with a support plate (4) for supporting the air vent plate (2) and the fan motor (3), one side of the support plate (4) is provided with a fixing groove (5), the lower part of the vent (1) is rotatably connected with a locking device, one end of the locking device is rotated into the fixing groove (5), thereby fixing the support plate (4), the upper part of the air vent plate (2) is provided with a threaded hole, and a bolt (6) is threadedly connected thereto, and the left part of the upper part of the vent (1) is provided with another threaded hole, and is threadedly connected to the bolt (6).

2. A ventilation safety monitoring device for coal mines according to claim 1, characterized in that: The locking device comprises a connecting rod (7) rotatably connected to the vent (1), and a plurality of locking rods are provided on one side of the connecting rod (7).

3. A ventilation safety monitoring device for coal mines according to claim 2, characterized in that: The locking rod comprises a moving rod (8) fixedly connected to the connecting rod (7), one side of the moving rod (8) comprises a fixing rod (9) inserted into the fixing groove (5), and the cross sections of the fixing rod (9) and the moving rod (8) are hook-shaped.

4. A ventilation safety monitoring device for coal mines according to claim 3, characterized in that: A load-bearing block (10) is provided at the front of the connecting rod (7) for increasing the weight of the connecting rod (7); a handle (11) is provided at the front of the load-bearing block (10) for facilitating a worker to grasp the handle (11) and rotate the load-bearing block (10); a gap is provided between the load-bearing block (10) and the vent (1) to prevent friction between the load-bearing block (10) and the vent (1) when the load-bearing block (10) is rotated.

5. The ventilation safety monitoring device for coal mines according to claim 1, characterized in that: A gap is provided between the support plate (4) and the fan motor (3), and a gap is provided between the support plate (4) and the inner wall of the vent (1).

6. A ventilation safety monitoring device for coal mines according to claim 5, characterized in that: A rotating plate (12) is provided on the left side of the bolt (6).

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