Positive pressure dustproof device for underground coal mine equipment

Abstract

The utility model provides a coal mine underground equipment positive pressure dust-proof device relates to coal mine underground operation technical field, including frame, main pressure wind pipe and sealing cover material, the sealing cover material covers the frame top, both sides and rear end, and the rear end of the sealing cover material is equipped with the reserved cable mouth, and the main pressure wind pipe and the sealing cover material cover the frame top, the main pressure wind pipe and the sealing cover material. A reserved air inlet is formed in one side of the sealing cover material; the lower portion of the main pressure ventilation pipe is connected with a stop valve through a connecting pipe assembly, and the output end of the stop valve is connected with an air supply hose. According to the utility model, the frame is covered outside the electrical equipment, the upper cover of the frame is provided with the sealing cover material, the transparent door curtain is arranged on the front surface, the operation state of the equipment is convenient to observe, one end of the air supply hose is connected with the main pressure ventilation pipe, and the other end of the air supply hose penetrates through the reserved air inlet; a positive pressure environment is formed in the frame, internal air circulates and slowly escapes outwards, and the purpose of preventing external dust from entering is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine operation, especially to a coal mine equipment positive pressure dustproof device. BACKGROUND

[0002] Coal mine operation refers to various operation activities carried out in the underground mine of a coal mine, which usually includes mining of ore, support of mine, maintenance of ventilation system, drainage treatment of underground water and transportation of ore and waste rock, etc., and is a crucial link in the process of mineral resource exploitation, which requires professional skills and high safety awareness, and a variety of electrical equipment needs to be used in the process of operation.

[0003] At present, the electrical equipment such as switch used in the place with high dust content such as coal mine mining face, belt conveyor lane is exposed in the environment, which cannot protect the dust and is easy to cause dust accumulation and rust on the surface of the equipment, and when the electrical equipment is overhauled in the environment with high dust, the insulation of the equipment is reduced, causing equipment failure. Therefore, the utility model provides a coal mine equipment positive pressure dustproof device to solve the problems in the prior art. UTILITY MODEL CONTENT

[0004] In view of the above problems, the utility model provides a coal mine equipment positive pressure dustproof device, which closes the transparent door curtain, adjusts the opening degree of the stop valve, adjusts the air supply, forms a positive pressure environment in the frame, the internal air circulates and slowly escapes outward, achieves the purpose of avoiding external dust from entering, effectively isolates the electrical equipment from the external dust environment, improves the equipment operation environment, and keeps the surface of the equipment clean for a long time.

[0005] To achieve the purpose of the utility model, the utility model realizes the following technical scheme: a coal mine equipment positive pressure dustproof device, comprising a frame, a main pressure pipe and a cover material, the cover material is arranged above, on both sides and at the rear end of the frame, and the rear end of the cover material is provided with a reserved cable opening, one side of the cover material is provided with a reserved air inlet;

[0006] The lower part of the main pressure pipe is connected with a stop valve through a connecting pipe assembly, and the output end of the stop valve is connected with an air supply hose, one end of the air supply hose penetrates through the reserved air inlet to the inside of the frame, and the front end of the frame is provided with a transparent door curtain.

[0007] Further improvement lies in that the connecting pipe assembly comprises a joint pipe and a connecting pipe, the joint pipe is connected below the main pressure pipe, and the connecting pipe and the joint pipe are connected through a flange.

[0008] Further improvement lies in that the stop valve is arranged on the connecting pipe, and the input end of the air supply hose is sleeved on the lower end of the connecting pipe.

[0009] Further improvement lies in that the frame comprises single frames and connecting arms, two groups of the single frames are arranged, and a hinge seat is arranged at the upper side and the middle position of the inner two ends of each group of the single frames, the connecting arm is rotatably arranged on each group of the hinge seat, and the adjacent two groups of the connecting arms are hingedly connected with each other.

[0010] Further improvement lies in that a knob screw is threadedly arranged at the hinge joint between the adjacent two groups of the connecting arms, and the knob screw is used for locking the hinge joint between the adjacent two groups of the connecting arms.

[0011] Further improvement lies in that a closing plate is arranged on one side of the upper side of the hinge seat, and the closing plate is used for limiting the upward rotation angle of the connecting arm.

[0012] Further improvement lies in that the cover material is one of a wind tube cloth, a plastic plate and a steel plate.

[0013] The utility model discloses the beneficial effect is:

[0014] 1, the utility model discloses the frame cover is arranged at the outside of electrical equipment, and the frame upper cover is equipped with cover material, and the transparent door curtain is installed in the front, and the equipment operating state is observed, and the one end of the air supply hose is connected with the main pressure wind pipe, and the other end passes through the reserved air inlet, and the transparent door curtain is closed when normal operation, and the air supply amount is adjusted through the regulation of the size of the stop valve opening, and the positive pressure environment is formed in the frame, and the internal air circulation and slowly dissipate outward, reach the purpose that the external dust is avoided to enter, can effectively isolate electrical equipment and the dust environment of outside, improve the equipment operating environment, make the equipment surface keep clean and neat for a long time, and when the electrical equipment is overhauled, avoid the dust to enter the equipment interior and cause the equipment failure.

[0015] 2, the utility model discloses when not using, can take down the cover material, and the fixing of the hinge joint of adjacent connecting arms is loosened through the rotation knob screw, and then the hinge of the hinge seat is combined, and the connecting arm can be rotated downward, so that the two single frames are close, and the folding is convenient, and the space is reduced. DRAWINGS

[0016] Figure 1 It is the front view of the utility model;

[0017] Figure 2 It is the frame schematic view of the utility model;

[0018] Figure 3 It is the Figure 2 Structure schematic view of A place in the utility model.

[0019] Wherein: 1, frame; 2, main pressure pipe; 3, cover material; 4, reserved cable port; 5, reserved air inlet; 6, stop valve; 7, air supply hose; 8, transparent door curtain; 9, joint pipe; 10, connecting pipe; 11, flange; 12, single frame; 13, connecting arm; 14, hinged seat; 15, knob screw. DETAILED DESCRIPTION

[0020] In order to deepen the understanding of the utility model, the utility model will be further described in the following embodiments, and the embodiments are only used to explain the utility model and do not constitute a limitation on the protection scope of the utility model.

[0021] Embodiment one

[0022] According to Figure 1 , 2 , 3, the embodiment proposes a coal mine underground equipment positive pressure dustproof device, including frame 1, main pressure pipe 2 and cover material 3, the cover material 3 is covered above, both sides and the rear end of frame 1, and the rear end on the cover material 3 is provided with a reserved cable port 4, one side on the cover material 3 is provided with a reserved air inlet 5;

[0023] The lower portion of the main pressure pipe 2 is connected with a stop valve 6 through a pipe connection assembly, and the output end of the stop valve 6 is connected with an air supply hose 7, one end of the air supply hose 7 passes through the reserved air inlet 5 to the inside of the frame 1, and the front end of the frame 1 is provided with a transparent door curtain 8. When in use, the frame 1 is covered outside the electrical equipment, the cover material 3 is covered on the frame 1, and the transparent door curtain 8 is installed on the front side, so that the running state of the equipment can be observed, one end of the air supply hose 7 is connected with the main pressure pipe 2, the other end passes through the reserved air inlet 5, the transparent door curtain 8 is closed during normal operation, the opening degree of the stop valve 6 is adjusted, the air supply amount is adjusted, a positive pressure environment is formed in the inside of the frame 1, the internal air flows and slowly escapes outward, the purpose of avoiding external dust from entering is achieved, the electrical equipment can be effectively isolated from the external dust environment, the running environment of the equipment is improved, the surface of the equipment can be kept clean and tidy for a long time. Moreover, when the electrical equipment is overhauled, dust is prevented from entering the inside of the equipment and causing equipment failure.

[0024] The pipe connection assembly includes a joint pipe 9 and a connecting pipe 10, the joint pipe 9 is connected below the main pressure pipe 2, and the connecting pipe 10 and the joint pipe 9 are connected through a flange 11. The stop valve 6 is arranged on the connecting pipe 10, and the input end of the air supply hose 7 is sleeved on the lower end of the connecting pipe 10. The flange 11 is connected, which facilitates the installation or dismounting of the connecting pipe 10 and the joint pipe 9, so that the air supply hose 7 can be dismounted as a whole.

[0025] The frame 1 comprises single frames 12 and connecting arms 13, the single frames 12 are provided in two groups, and the upper and middle positions of the inner two ends of the two groups of single frames 12 are provided with hinge seats 14, the connecting arms 13 are rotatably arranged on each group of hinge seats 14, and the adjacent two groups of connecting arms 13 are hingedly connected. The hinge portions between the adjacent two groups of connecting arms 13 are threadedly connected with knob screws 15, and the knob screws 15 are used to lock the hinge portions between the adjacent two groups of connecting arms 13. One side above the hinge seat 14 is provided with a closing plate, and the closing plate is used to limit the upward rotation angle of the connecting arm 13, so that the adjacent two groups of connecting arms 13 can only be horizontally rotated upward, and can be folded downward. When not in use, the cover material 3 can be removed, the adjacent connecting arms 13 are loosened by rotating the knob screw 15, and the connecting arms 13 are rotated downward by cooperating with the hinge of the hinge seat 14, so that the two groups of single frames 12 are close to each other, which is convenient for folding and storing, and reduces the occupied space.

[0026] Embodiment two

[0027] According to Figure 1 、 2 , 3, the embodiment provides a coal mine underground equipment positive pressure dust prevention device, which comprises a frame 1, a main pressure pipe 2 and a cover material 3, the cover material 3 is arranged above, on both sides and at the rear end of the frame 1, and the rear end of the cover material 3 is provided with a reserved cable opening 4, and one side of the cover material 3 is provided with a reserved air inlet 5.

[0028] The lower end of the main pressure pipe 2 is connected with a stop valve 6 through a connecting pipe assembly, the output end of the stop valve 6 is connected with a supply air hose 7, one end of the supply air hose 7 penetrates through the reserved air inlet 5 to the inside of the frame 1, and the front end of the frame 1 is provided with a transparent door curtain 8. In use, the frame 1 is arranged outside the electrical equipment, the cover material 3 is arranged on the frame 1, the transparent door curtain 8 is arranged on the front side, the running state of the equipment is observed, one end of the supply air hose 7 is connected with the main pressure pipe 2, the other end penetrates through the reserved air inlet 5, the transparent door curtain 8 is closed in normal operation, the opening degree of the stop valve 6 is adjusted, the air supply is adjusted, a positive pressure environment is formed in the frame 1, the internal air flows and slowly escapes outward, the purpose of avoiding external dust from entering is achieved, the electrical equipment can be effectively isolated from the external dust environment, the running environment of the equipment is improved, the surface of the equipment can be kept clean and tidy for a long time. Moreover, when the electrical equipment is overhauled, dust is prevented from entering the equipment to cause equipment failure.

[0029] The cover material 3 is one of a wind pipe cloth, a plastic plate and a steel plate. The cover material 3 is bonded and covered on the frame 1, which is convenient for installation and disassembly.

[0030] The coal mine underground equipment positive pressure dust prevention device covers the frame 1 on the outside of the electrical equipment, the frame 1 is provided with a cover material 3, a transparent door curtain 8 is installed on the front side, air supply hose 7 is connected with the main air supply pipe 2, the other end of the air supply hose 7 passes through the reserved air inlet 5, the transparent door curtain 8 is closed during normal operation, the air supply amount is adjusted by adjusting the opening degree of the stop valve 6, the positive pressure environment is formed in the frame 1, the internal air flows and slowly escapes outward, the purpose of avoiding the external dust from entering is achieved, the electrical equipment can be effectively isolated from the external dust environment, the equipment operation environment is improved, the surface of the equipment can be kept clean for a long time, and the electrical equipment can be maintained without dust entering the equipment. At the same time, when not in use, the cover material 3 can be removed, the adjacent connecting arm 13 hinged part is loosened by rotating the knob screw 15, the hinging of the hinged seat 14 is matched, the connecting arm 13 can be rotated downward, the two groups of single frames 12 are close, the folding storage is facilitated, and the occupied space is reduced.

[0031] The basic principle, main features and advantages of the utility model are shown and described. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A positive pressure dust suppression device for underground coal mine equipment, comprising a frame (1), a main pressure air duct (2), and a sealing material (3), characterized in that: The cover material (3) is placed on the top, sides and rear end of the frame (1), and the rear end of the cover material (3) is provided with a reserved cable port (4), and one side of the cover material (3) is provided with a reserved air inlet (5). The main compressed air pipe (2) is connected to a shut-off valve (6) via a pipe assembly, and the output end of the shut-off valve (6) is connected to a supply air hose (7). One end of the supply air hose (7) passes through the reserved air inlet (5) to the interior of the frame (1), and the front end of the frame (1) is provided with a transparent door curtain (8).

2. The positive pressure dust suppression device for underground coal mine equipment according to claim 1, characterized in that: The pipe assembly includes a connector pipe (9) and a connecting pipe (10). The connector pipe (9) is connected below the main compressed air pipe (2), and the connecting pipe (10) and the connector pipe (9) are connected by a flange (11).

3. The positive pressure dust suppression device for underground coal mine equipment according to claim 2, characterized in that: The shut-off valve (6) is located on the connecting pipe (10), and the input end of the air supply hose (7) is sleeved on the lower end of the connecting pipe (10).

4. The positive pressure dust suppression device for underground coal mine equipment according to claim 1, characterized in that: The frame (1) includes a single frame (12) and a connecting arm (13). The single frame (12) is provided in two sets, and the two sets of single frames (12) are provided with hinge seats (14) at the top and middle positions of the inner ends. The connecting arm (13) is rotatably provided on each set of hinge seats (14), and the two adjacent sets of connecting arms (13) are hinged to each other.

5. A positive pressure dust suppression device for underground coal mine equipment according to claim 4, characterized in that: A knob screw (15) is threadedly installed at the hinge between two adjacent sets of connecting arms (13), and the knob screw (15) is used to lock the hinge between the two adjacent sets of connecting arms (13).

6. A positive pressure dust suppression device for underground coal mine equipment according to claim 5, characterized in that: A closing plate is provided on one side above the hinge seat (14), and the closing plate is used to limit the upward rotation angle of the connecting arm (13).

7. A positive pressure dust suppression device for underground coal mine equipment according to claim 1, characterized in that: The sealing material (3) is one of the following: duct cloth, plastic sheet, or steel plate.

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