Safety explosion-proof device for coal mine ventilation

Abstract

The utility model provides a safety explosion-proof device for coal mine ventilation, which relates to the technical field of coal mine ventilation instruments and comprises a nail disc, a fan shell, a power motor, a buckle bolt, a short connecting block and a long connecting block. The two sides of the top of the fan shell are each provided with a set of semicircular connecting blocks, and the semicircular connecting blocks on the two sides of the top of the fan shell are each provided with a set of circular connecting holes. The two sides of the bottom of the nail disc are each provided with two sets of semicircular connecting blocks, and the semicircular connecting blocks on the two sides of the bottom of the nail disc are each provided with a set of circular connecting holes. The circular connecting hole in the semicircular connecting block on one side of the top of the fan shell is rotationally connected with the circular connecting hole in the semicircular connecting block on one side of the bottom of the nail disc through a connecting shaft. The nail disc is arranged, and the fixing device and the bottom fan device are connected in a lotus leaf mode, so that installation is convenient. A large protective cover and a small protective cover are arranged to prevent internal devices from being damaged. The whole device is simplified, so that the device is easy to install, maintain and the like.

Description

TECHNICAL FIELD

[0001] The utility model belongs to coal mine ventilation instrument technical field, more specifically, especially relate to a safety explosion -proof device for coal mine ventilation. BACKGROUND

[0002] Coal mine as important energy supply base, its mining process involves a large number of underground operation. However, the underground mine environment is complex, and oxygen is scarce, accompanied by the potential risk of toxic gases and harmful substances. Therefore, ensuring the effective operation of mine ventilation system is crucial to protect the safety of miners, and the design of the new safety explosion -proof device for coal mine ventilation fully considers the special environment and safety requirements in the process of coal mining, and provides a more efficient and safe ventilation explosion -proof solution by improving the shortcomings of the existing device. The application of the device can not only significantly improve the ventilation effect of the mine, but also effectively protect the life safety of the miners, and has important practical application value.

[0003] Based on the above, the safety explosion -proof device for coal mine ventilation is more complex to install, and the installation position also needs to consider the installation angle, the efficiency is slow, and the protection of the device is poor, easy to damage, and difficult to maintain and maintain. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the above technical problems, the utility model provides a safety explosion -proof device for coal mine ventilation to solve the problem that the existing safety explosion -proof device for coal mine ventilation is more complex to install, and the protection of the device is poor, and it is difficult to maintain and maintain.

[0005] The utility model relates to a safety explosion -proof device for coal mine ventilation, which is achieved by the following specific technical means:

[0006] The utility model provides a safe explosion -proof device for coal mine ventilation, including nail disc, fan shell, power motor, buckle bolt, short connecting block and long connecting block, the both sides of fan shell top each arranges a group of semicircle connecting block, and the both sides of semicircle connecting block on fan shell top each arranges a group of round connecting hole, the both sides of nail disc bottom each arranges two groups of semicircle connecting block, and the both sides of semicircle connecting block on nail disc bottom each arranges a group of round connecting hole, the round connecting hole on the semicircle connecting block of fan shell top one side is rotatably connected with the round connecting hole on the semicircle connecting block of nail disc bottom one side through connecting shaft, and the round connecting hole on the semicircle connecting block of fan shell top other side and the round connecting hole on the semicircle connecting block of nail disc bottom other side are rotatably connected through buckle bolt, the upper portion and lower portion of power motor each arranges four groups of semicircle connecting block, and the semicircle connecting block on the upper portion and lower portion of power motor each arranges a group of round connecting hole, the both sides of short connecting block and long connecting block each arranges a group of round connecting hole, and the round connecting hole on the both sides of short connecting block and long connecting block is fastened and is connected in the round connecting hole on the semicircle connecting block on the inside ring of fan shell through screw.

[0007] Further, the nail disc and the top of the fan shell are each provided with a group of circular connecting holes, and the circular connecting holes are fastened and connected with a ventilation connecting pipe; the top of the ventilation connecting pipe is provided with a group of circular threaded connecting holes, and a small protective cover is screwed into the circular threaded connecting holes.

[0008] Further, the nail disc is provided with a group of circular connecting holes on both sides, and a nail fixing bolt is fastened and connected in the circular connecting holes.

[0009] Further, the power motor is provided with a group of circular connecting rods at the bottom, and a group of fan shafts are fastened and connected on the circular connecting rods; the outer side of the fan shafts is provided with six groups of square clamping grooves, and six groups of fan blades are clamped and connected in the square clamping grooves.

[0010] Further, the bottom of the fan shell is provided with a group of annular threaded connecting grooves, and a large protective cover is fastened and connected in the annular threaded connecting grooves.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1、The utility model discloses a nail disc, because the connecting mode of the fixing device and the bottom fan device is the mode of lotus leaf, so the device can change the inclination angle of up and down, and installation is facilitated.

[0013] 2、The utility model discloses a large protective cover and a small protective cover, prevent entering a large amount of broken ash and slag inside, damage internal device.

[0014] 3、 The utility model discloses a simple whole device, which is easy to install and maintain. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 Fig. 1 is a structural schematic diagram of the utility model main body.

[0016] Figure 2 Fig. 2 is a structural schematic diagram of the utility model main body internal device.

[0017] Figure 3 Fig. 3 is a sectional structural schematic diagram of the utility model fixing device.

[0018] Figure 4 Fig. 4 is a partial sectional structural schematic diagram of the utility model fixing device side.

[0019] Figure 5 Fig. 5 is a sectional structural schematic diagram of the utility model main body.

[0020] In the drawings, the correspondence between the component names and the drawing numbers is as follows:

[0021] 1, fixed nail bolt; 2, nail disc; 3, fan shell; 4, ventilation connecting pipe; 5, power motor; 6, big protective cover; 7, small protective cover; 201, buckle bolt; 501, short connecting block; 502, long connecting block; 503, fan blade shaft; 504, fan blade. DETAILED DESCRIPTION

[0022] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0023] Example:

[0024] As shown in the accompanying drawings: Figure 1 to the accompanying drawings: Figure 5 As shown in the accompanying drawings:

[0025] The utility model provides a kind of safety explosion-proof device for coal mine ventilation, including nail disc 2, fan shell 3, power motor 5, buckle bolt 201, short connecting block 501 and long connecting block 502;Fan shell 3 top two sides each are equipped with a group of semicircular connecting blocks, and each group of circular connecting holes is equipped on the semicircular connecting block of fan shell 3 top two sides;Nail disc 2 bottom two sides each are equipped with two groups of semicircular connecting blocks, and each group of circular connecting holes is equipped on the semicircular connecting block of nail disc 2 bottom two sides;The circular connecting hole on the semicircular connecting block on the one side of fan shell 3 top is rotatably connected with the circular connecting hole on the semicircular connecting block on the one side of nail disc 2 bottom through connecting shaft, and the circular connecting hole on the other side of fan shell 3 top semicircular connecting block and the circular connecting hole on the other side of nail disc 2 bottom semicircular connecting block are connected by buckle bolt 201 tightly;Power motor 5 upper portion and lower portion each are equipped with four groups of semicircular connecting blocks, and each group of circular connecting holes is equipped on the semicircular connecting block of power motor 5 upper and lower parts, short connecting block 501 and long connecting block 502 two sides each are equipped with a group of circular connecting holes, and the circular connecting hole on the two sides of short connecting block 501 and long connecting block 502 is connected in the circular connecting hole hole on the inside annular connecting block of power motor 5 by screw tightly.

[0026] Among them, nail disc 2 and fan shell 3 top middle each are equipped with a group of circular connecting holes, and nail disc 2 and fan shell 3 top middle circular connecting hole are tightly connected with ventilation connecting pipe 4 in;Ventilation connecting pipe 4 top middle is equipped with a group of circular threaded connecting holes, and small protective cover 7 is screwed in the circular threaded connecting hole of ventilation connecting pipe 4 top middle with thread, and small protective cover 7 is connected in ventilation connecting pipe 4 top protection and is prevented by entering the inside through top into the inside, protects internal device.

[0027] Among them, nail disc 2 two sides each are equipped with a group of circular connecting holes, and nail disc 2 two sides circular connecting hole is tightly connected with fixed nail bolt 1, is directly fixed in ventilation opening by fixed nail bolt 1, is convenient and fast, and only needs to pull out when dismantling.

[0028] Among them, power motor 5 bottom is equipped with a group of circular connecting rods, and a group of fan blade shafts 503 are tightly connected on the circular connecting rod of power motor 5 bottom;Six groups of square clamping grooves are provided on the outer side of fan blade shaft 503, and six groups of fan blades 504 are clamped and connected in the square clamping groove of fan blade shaft 503 outer side, and multiple groups of fan blades are strong in wind power, so that internal air is rapidly circulated.

[0029] Among them, fan shell 3 bottom is equipped with a group of annular threaded connecting grooves, and large protective cover 6 is tightly connected in the annular threaded connecting groove of fan shell 3 bottom, to prevent entering garbage and damaging internal device when fan is pumping.

[0030] The specific use mode and effect of the embodiment are as follows:

[0031] The utility model discloses, through first device is fixed on the wall surface of suitable through fixed nail bolt 1, then the small protective cover 7 is aimed at the air vent, then starts power motor 5 through the fan blade shaft 503 of lower connecting axle connection drives the rotation of fan blade 504, produces the wind force, makes its internal air accelerated flow circulation, the big protective cover 6 of fan housing 3 bottom prevents the inside into the broken stone etc., causes the damage of device, and the device because of having the design of ventilation connecting pipe 4, makes its nail disc 2 and the one side of fan housing 3 can be separated, changes the angle of fan housing 3, the design in its ventilation connecting pipe 4 middle is the bending and telescopic, only needs to open buckle bolt 201, also makes its installation more convenient.

[0032] The utility model is not detailed, all are the known technology of the person skilled in the art.

Claims

1. A safety explosion-proof device for coal mine ventilation, characterized in that: It includes nail disc (2), fan shell (3), power motor (5), buckle bolt (201), short connecting block (501) and long connecting block (502). The fan shell (3) top two sides are each provided with a group of semicircular connecting blocks, and a group of circular connecting holes are arranged on the semicircular connecting blocks on the top two sides of the fan shell (3). The bottom two sides of the nail disc (2) are each provided with two groups of semicircular connecting blocks, and a group of circular connecting holes are arranged on the semicircular connecting blocks on the bottom two sides of the nail disc (2). The circular connecting hole on one side of the semicircular connecting block on the top of the fan shell (3) is rotatably connected with the circular connecting hole on one side of the semicircular connecting block on the bottom of the nail disc (2) through a connecting shaft, and the circular connecting hole on the other side of the semicircular connecting block on the top of the fan shell (3) and the circular connecting hole on the other side of the semicircular connecting block on the bottom of the nail disc (2) are connected by the buckle bolt (201). The power motor (5) is provided with four groups of semicircular connecting blocks on the upper and lower parts, and a group of circular connecting holes are arranged on the semicircular connecting blocks on the upper and lower parts of the power motor (5). The short connecting block (501) and the long connecting block (502) are each provided with a group of circular connecting holes on the two sides, and the circular connecting holes on the two sides of the short connecting block (501) and the long connecting block (502) are fastened and connected in the circular connecting hole on the circular connecting block on the inside of the fan shell (3) through screws.

2. A safety explosion-proof device for coal mine ventilation according to claim 1, characterized in that: A group of circular connecting holes are arranged on the top of the nail disc (2) and the fan shell (3), and a ventilation connecting pipe (4) is fastened and connected in the circular connecting holes on the top of the nail disc (2) and the fan shell (3). A group of circular threaded connecting holes are arranged on the top of the ventilation connecting pipe (4), and a small protective cover (7) is screwed and connected in the circular threaded connecting hole on the top of the ventilation connecting pipe (4).

3. The safety explosion-proof device for coal mine ventilation according to claim 1, characterized in that: A group of circular connecting holes are arranged on the two sides of the nail disc (2), and a nail fixing bolt (1) is fastened and connected in the circular connecting holes on the two sides of the nail disc (2).

4. The safety explosion-proof device for coal mine ventilation according to claim 1, characterized in that: A group of circular connecting rods are arranged on the bottom of the power motor (5), and a group of fan shafts (503) are fastened and connected on the circular connecting rods on the bottom of the power motor (5). Six groups of square clamping grooves are arranged on the outer side of the fan shaft (503), and six groups of fan blades (504) are clamped and connected in the square clamping grooves on the outer side of the fan shaft (503).

5. The safety explosion-proof device for coal mine ventilation according to claim 1, characterized in that: A group of annular threaded connecting grooves are arranged on the bottom of the fan shell (3), and a large protective cover (6) is fastened and connected in the annular threaded connecting groove on the bottom of the fan shell (3).

Images