Non-stop ventilation reversing device of mine ventilator

By designing a continuous air-returning device for mining ventilators, using the combination of wellbore structure and inverter structure, the continuous downhole ventilation during the inverter process is achieved, the gas exceeding limit problem is solved, and the equipment maintenance process is simplified.

CN222542679UActive Publication Date: 2025-02-28ANYU (XUZHOU) INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202421320966.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-02-28
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

During the mine excavation process, there will inevitably be no wind underground during the machine reversing process, which can easily cause gas exceeding the limit of high-incision mines.

Method used

A mining fan continuous air inverter device is designed, including a wellbore structure and a reversing machine structure. The wellbore structure is equipped with ventilation ducts and installation grooves. The inverter structure realizes rotational adjustment of the ventilation duct and continuous delivery of airflow through components such as rotating motors, connecting shafts, horizontal fans and adjustment plates.

Benefits of technology

Through the design of the continuous air overturning device, the problem of no wind underground during the overturning process is solved, the risk of gas exceeding the limit is avoided, and the maintenance and repair of horizontal fans is facilitated.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mining ventilator non-stop reversing device which comprises a shaft structure, a reversing structure is arranged in the shaft structure, the shaft structure comprises a shaft body with the interior of a hollow structure, and a ventilation channel communicated with the shaft body is formed in the shaft body. Meanwhile, a mounting groove facilitating fixed mounting of a reversing structure part is formed in the lower portion in the shaft body, a mounting frame with a mounting groove is fixed in the shaft body, a fixing groove facilitating movable mounting of an electromagnet is formed in the outer wall of the shaft body, and meanwhile a through hole plate is rotationally mounted on the outer wall of the shaft body through a hinge; a holding rod is fixed to the through hole plate, a connecting column connected with the electromagnet in an attracted mode is fixed to one side of the through hole plate, the fan reversing structure comprises a connecting shaft fixedly installed with the output end of the rotating motor, and the fan reversing device without air stop for the mine ventilator achieves through ventilation through the arranged ventilation channel.
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Description

Technical Field

[0001] The utility model relates to the technical field of mine ventilators, in particular to a non-stop wind reversing device for mine ventilators. Background Art

[0002] Ventilators are widely used in factories, mines, tunnels, cooling towers, vehicles, ships and buildings for ventilation, dust removal and cooling. When tunneling is carried out in coal mines, gas will accumulate due to the lack of air circulation at the excavation face, causing gas explosions. In addition, the smoke and dust during blasting cannot be dispersed. In order to ensure the safety of mines and personnel, ventilators must be set up at the excavation face for ventilation. Traditional reversing methods are all done manually. The specific reversing operation procedures are as follows: the main ventilator stops running, the main ventilator gate is closed, the standby ventilator gate is opened, and the standby ventilator starts running. At this time, the reversing of the main and standby ventilators is completed. Because the reversing of the main and standby ventilators takes a long time, there are the following problems: there will inevitably be a period of time when there is no wind underground during the reversing process, which can easily cause gas exceeding the limit in high-burst mines. Utility Model Content

[0003] The utility model aims to address the deficiencies of the prior art and to provide a non-stop wind reversing device for a mine ventilator, so as to solve the problem of excessive gas in high-burst mines caused by a period of windlessness in the reversing process proposed in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a non-stop air inversion device for a mining ventilator, comprising a shaft structure, wherein an inversion structure is provided inside the shaft structure;

[0005] The shaft structure includes a shaft body with a hollow structure inside, and a ventilation duct connected to the shaft body is opened inside the shaft body. At the same time, an installation groove is opened at the bottom of the shaft body to facilitate the fixed installation of the inverted machine structure parts.

[0006] By adopting the above technical solution, through ventilation is achieved through the arranged ventilation duct.

[0007] Preferably, a mounting frame also having a mounting groove is fixed inside the well body, and a fixing groove for facilitating the movable installation of the electromagnet is opened on the outer wall of the well body, and a through-hole plate is rotatably installed on the outer wall of the well body through a hinge.

[0008] By adopting the above technical solution, the adsorption adjustment is controlled by the provided electromagnet.

[0009] Preferably, a gripping rod is fixed on the through-hole plate, and a connecting column connected to the electromagnet by adsorption is fixed on one side of the through-hole plate.

[0010] By adopting the above technical solution, the adjustment operation can be performed by holding the provided grip rod.

[0011] Preferably, the inverted machine structure includes a connecting shaft fixedly mounted on the output end of the rotating motor, and a connecting bearing is matchedly mounted on one end of the connecting shaft, and connecting blocks are welded and fixed on both sides of the connecting shaft.

[0012] By adopting the above technical solution, the connecting bearing is provided to achieve a matching installation connection.

[0013] Preferably, an adjusting cylinder group is fixed on one side of the connecting block, and a horizontal fan and a connecting frame are respectively fixed on the output end of the adjusting cylinder group, and adjusting plates are fixed on both sides of the connecting frame.

[0014] By adopting the above technical solution, rotation adjustment is achieved through the arranged adjustment plate.

[0015] Preferably, the connecting shaft is provided with one group, and the single connecting shaft is symmetrically provided with two groups of regulating cylinder groups.

[0016] By adopting the above technical solution, the connecting shaft is provided to achieve fixation and rotation adjustment.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the non-stop wind reversing device for the mine ventilator can

[0018] (1) This case has been designed with a reverse machine structure, which can solve the problem of a period of time when there will inevitably be no wind underground during the reverse machine process, which can easily cause the problem of excessive gas in high-burst mines. When the ventilator needs to be reversed, the operator controls the rotating motor to operate. During the operation of the rotating motor, the connecting shaft, horizontal fan and adjustment plate are driven to rotate. When the adjustment plate and the ventilation duct are forced to rotate and separate, the operator controls the horizontal fan to operate. When the horizontal fan is working, the airflow is transported to the inside of the shaft through the ventilation duct. At this time, the operator controls another rotating motor to operate so that the adjustment plate and another ventilation duct rotate and close, and then controls the other horizontal fan to stop working, thereby facilitating the repair and maintenance of the other horizontal fan.

[0019] (2) By setting up the shaft structure, it is convenient to extract and transport external air during the operation of the horizontal fan and to facilitate the operator to enter the shaft body to quickly maintain and repair the horizontal fan when the horizontal fan is damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the wellbore body, ventilation duct, mounting groove, mounting frame, through-hole plate, gripping rod and connecting column of the utility model;

[0022] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0023] Figure 4 It is a schematic diagram of the inverted machine structure of the utility model.

[0024] In the figure: 1. shaft structure; 101. shaft body; 102. ventilation duct; 103. mounting groove; 104. mounting frame; 105. electromagnet; 106. through-hole plate; 107. gripping rod; 108. connecting column; 2. inverted machine structure; 201. connecting shaft; 202. rotating motor; 203. connecting bearing; 204. connecting block; 205. adjusting cylinder group; 206. horizontal fan; 207. connecting frame; 208. adjusting plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-4 The utility model provides a technical solution: a non-stop wind reversing device for a mine ventilator, such as Figure 1 , Figure 2 and Figure 3 As shown, the shaft structure 1 includes a shaft body 101 with a hollow structure inside, and a ventilation duct 102 connected to the shaft body 101 is opened inside the shaft body 101, and a mounting groove 103 for fixing and installing the parts of the inverted machine structure 2 is opened at the bottom of the shaft body 101, wherein a group of ventilation ducts 102 are opened, and the set of ventilation ducts 102 is used to facilitate the separate inverted machine ventilation on both sides of the shaft body 101.

[0027] Furthermore, the above scheme has a mounting frame 104 with a mounting groove 103 fixed inside the well body 101, and a fixing groove for facilitating the movable installation of the electromagnet 105 is opened on the outer wall of the well body 101. At the same time, a through-hole plate 106 is rotatably installed on the outer wall of the well body 101 through a hinge.

[0028] Furthermore, in the above scheme, a grip rod 107 is fixed on the through-hole plate 106, and a connecting column 108 adsorbed and connected to the electromagnet 105 is fixed on one side of the through-hole plate 106, wherein the above components constitute a rotation adjustment structure, and the through-hole plate 106 can be effectively rotated to open and close by utilizing the rotation adjustment structure constituted by the above components.

[0029] like Figure 4 As shown, a machine inversion structure 2 is provided inside the shaft structure 1, and the machine inversion structure 2 includes a connecting shaft 201 fixedly installed with the output end of the rotating motor 202, and a connecting bearing 203 is matched with one end of the connecting shaft 201, and connecting blocks 204 are welded and fixed on both sides of the connecting shaft 201, and a group of connecting shafts 201 are provided, and a single connecting shaft 201 is symmetrically provided with two groups of adjusting cylinder groups 205. When the above-mentioned components are provided with one group, it not only reflects the force-rotation adjustability of the above-mentioned component installation arrangement, but also reflects the individual control rotationability of the above-mentioned component installation arrangement, and when the above-mentioned components are provided with one group, it not only reflects the practicality of the above-mentioned component installation arrangement, but also reflects the force-rotation adjustability of the above-mentioned component installation arrangement.

[0030] In the above solution, an adjusting cylinder group 205 is fixed on one side of the connecting block 204 , and a horizontal fan 206 and a connecting frame 207 are respectively fixed on the output end of the adjusting cylinder group 205 , and adjusting plates 208 are fixed on both sides of the connecting frame 207 .

[0031] In the above scheme, when the ventilator needs to be reversed, the operator controls the rotating motor 202 to operate. During the operation of the rotating motor 202, the connecting shaft 201, the horizontal fan 206 and the adjusting plate 208 are driven to rotate. When the adjusting plate 208 and the ventilation duct 102 are forced to rotate and separate, the operator controls the horizontal fan 206 to operate. When the horizontal fan 206 is working, the airflow is transported to the inside of the shaft body 101 through the ventilation duct 102. At this time, the operator controls another rotating motor 202 to rotate and close the adjusting plate 208 and the other ventilation duct 102, and then controls the other horizontal fan 206 to stop working, so as to facilitate the repair and maintenance of the other horizontal fan 206. At this time, the operator controls the electromagnet 105 to stop working and then opens the through-hole plate 106 to enter the inside of the shaft body 101 to repair and maintain the horizontal fan 206.

[0032] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A non-stop ventilation device for a mine ventilator, comprising a shaft structure (1), characterized in that: The shaft structure (1) is provided with a reverse machine structure (2) inside; The shaft structure (1) comprises a shaft body (101) having a hollow structure inside, and a ventilation duct (102) which is connected to the shaft body (101) is provided inside the shaft body (101), and a mounting groove (103) which is convenient for fixing and mounting the parts of the inverted structure (2) is provided at the bottom of the shaft body (101).

2. A non-stop ventilation device for mining fans according to claim 1, characterized in that: A mounting frame (104) also having a mounting groove (103) is fixed inside the wellbore body (101), and a fixing groove for facilitating the movable installation of the electromagnet (105) is opened on the outer wall of the wellbore body (101). At the same time, a through-hole plate (106) is rotatably installed on the outer wall of the wellbore body (101) via a hinge.

3. A non-stop ventilation device for mining fans according to claim 2, characterized in that: A gripping rod (107) is fixed on the through-hole plate (106), and a connecting column (108) adsorbed and connected to the electromagnet (105) is fixed on one side of the through-hole plate (106).

4. The non-stop ventilation device for mining ventilators according to claim 1 is characterized in that: The inverted machine structure (2) comprises a connecting shaft (201) fixedly mounted on the output end of the rotating motor (202), and a connecting bearing (203) is matchedly mounted on one end of the connecting shaft (201), while connecting blocks (204) are welded and fixed on both sides of the connecting shaft (201).

5. A non-stop ventilation device for mining fans according to claim 4, characterized in that: An adjusting cylinder group (205) is fixed on one side of the connecting block (204), and a horizontal fan (206) and a connecting frame (207) are respectively fixed on the output end of the adjusting cylinder group (205), while adjusting plates (208) are fixed on both sides of the connecting frame (207).

6. The non-stop ventilation device for mining ventilators according to claim 4, characterized in that: The connecting shaft (201) is provided with one group, and the single connecting shaft (201) is symmetrically provided with two groups of regulating cylinder groups (205).