Intelligent adjusting device for blades of mining anti-explosion counter-rotating main ventilator

Abstract

The utility model discloses an intelligent blade adjusting device for a mining anti-explosion counter-rotating main ventilator, which relates to the technical field of counter-rotating main ventilators and comprises a fan shell, and a mounting plate and a driving motor are arranged in the middle of the fan shell. According to the intelligent adjusting device for the mining anti-explosion counter-rotating main ventilator blades, when the angles of the blades need to be adjusted, the output end of an adjusting motor drives a driving gear and a driven gear to be meshed, a rotating column, a conical block and the blades are driven to rotate by angles, and meanwhile the output end of an incremental encoder is driven to rotate, so that the angles are calculated; and when the set angle is reached, the output end of the adjusting motor is controlled by the control circuit board to stop running, and the output end of the adjusting motor is self-locked, so that the driving gear is driven to stop meshing with the driven gear, the blade is fixed after angle adjustment, manual adjustment is not needed, and the use requirement is met.

Description

Technical Field

[0001] The utility model relates to the technical field of counter-rotating main ventilators, in particular to an intelligent blade adjustment device for a mining explosion-proof counter-rotating main ventilator. Background Art

[0002] The ventilation system is an important part of mine mining and the basic guarantee for safe production in mines. The counter-rotating main ventilator is generally installed at the air duct of the mine to extract the gas-containing air from underground and replenish it with fresh air from the air inlet of the mine. This continuously purifies and dilutes the air in the mine, ensuring the oxygen demand of underground workers and preventing explosions caused by excessive gas concentration.

[0003] The existing explosion-proof counter-rotating main ventilation fan for mining requires manual operation when adjusting the blade angle, which is time-consuming and labor-intensive, and cannot be remotely and automatically adjusted and controlled, and the degree of intelligence is low. Therefore, the utility model proposes an intelligent blade adjustment device for the explosion-proof counter-rotating main ventilation fan for mining. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an intelligent blade adjustment device for an explosion-proof counter-rotating main fan for mining, which solves the problems raised by the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: an intelligent adjustment device for blades of a mining explosion-proof counter-rotating main fan, comprising a fan housing, a mounting plate and a driving motor are arranged in the middle of the fan housing, an output end of the driving motor is connected to a rotating seat, a blade is arranged on the outside of the rotating seat, one end of the blade is connected to a conical block, an end of the conical block is connected to a rotating column, an intelligent adjustment component is arranged between the rotating column and the rotating seat, and a wiring harness box is installed on the outside of the fan housing;

[0006] The intelligent adjustment component includes a rotating groove and an inner cavity, wherein an incremental encoder, an adjustment motor, a control circuit board and a battery are arranged inside the inner cavity, a driven gear is arranged on the outer side of the rotating column, a bearing seat is arranged between the output end of the adjustment motor and the inner cavity, and a driving gear is connected to the outer side of the output end of the adjustment motor.

[0007] As a further technical solution of the utility model, the number of the mounting plates is three and they are distributed in a ring shape, the mounting plates are connected to the drive motor via bolts, and the mounting plates are connected to the fan casing via bolts.

[0008] As a further technical solution of the utility model, the output end of the driving motor is fixedly connected to the rotating seat, the number of the blades is several groups and distributed in an array, the blades and the conical block are an integral structure, and the conical block and the rotating column are fixedly connected.

[0009] As a further technical solution of the utility model, the rotating groove is connected with the inner cavity, the number of the rotating grooves and the inner cavity is equal to the number of the blades, the rotating groove is adapted to the conical block, and the rotating column is a cylindrical structure.

[0010] As a further technical solution of the utility model, the incremental encoder is connected to the inner cavity by bolts, the output end of the incremental encoder is connected to the bottom of the rotating column, the incremental encoder is electrically connected to the control circuit board, the driven gear is fixedly connected to the rotating column, and a remote control module and a communication module are installed inside the control circuit board.

[0011] As a further technical solution of the utility model, the control circuit board is electrically connected to the battery, the regulating motor is connected to the inner cavity by bolts, the output end of the regulating motor is fixedly connected to the driving gear, and the driving gear is meshed with the driven gear.

[0012] The utility model provides an intelligent blade adjustment device for explosion-proof counter-rotating main ventilator for mining. Compared with the prior art, it has the following beneficial effects:

[0013] The present invention designs an intelligent adjustment device for blades of explosion-proof counter-rotating main ventilators for mining. By arranging an intelligent adjustment component, a conical block and a rotating column between the blade and the rotating seat, when the blade needs to adjust the angle, the output end of the adjusting motor is used to drive the driving gear to rotate, so that the driving gear is meshed with the driven gear, driving the rotating column to rotate, further driving the conical block and the blade to rotate the angle, and at the same time driving the output end of the incremental encoder to rotate, so as to calculate the angle and feed it back to the control circuit board. When the set angle is reached, the output end of the adjusting motor is controlled by the control circuit board to stop running, and the output end of the adjusting motor is self-locked, so as to drive the driving gear to stop meshing with the driven gear, and then the blade is fixed after the angle is adjusted, without manual adjustment, to meet the use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of an intelligent adjustment device for blades of a mining explosion-proof counter-rotating main fan;

[0015] Figure 2 Another perspective view of an intelligent blade adjustment device for a mining explosion-proof counter-rotating main fan;

[0016] Figure 3 This is a front view of an intelligent blade adjustment device for a mining explosion-proof counter-rotating main fan;

[0017] Figure 4 An intelligent adjustment device for blades of a mine explosion-proof counter-rotating main fan Figure 3 Side section view of middle AA;

[0018] Figure 5 An intelligent adjustment device for blades of a mine explosion-proof counter-rotating main fan Figure 4 A is an enlarged view of the middle image.

[0019] In the figure: 1. Fan housing; 2. Mounting plate; 3. Drive motor; 4. Rotating seat; 5. Blade; 6. Conical block; 61. Rotating column; 7. Intelligent adjustment component; 71. Rotating slot; 72. Inner cavity; 73. Incremental encoder; 74. Driven gear; 75. Adjustment motor; 76. Bearing seat; 77. Driving gear; 78. Control circuit board; 79. Battery; 8. Wiring harness box. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 The utility model provides a technical solution for an intelligent blade adjustment device of an explosion-proof counter-rotating main fan for mining: an intelligent blade adjustment device of an explosion-proof counter-rotating main fan for mining, comprising a fan housing 1, a mounting plate 2 and a driving motor 3 are arranged in the middle of the fan housing 1, a rotating seat 4 is connected to the output end of the driving motor 3, a blade 5 is arranged on the outer side of the rotating seat 4, one end of the blade 5 is connected to a conical block 6, the end of the conical block 6 is connected to a rotating column 61, an intelligent adjustment component 7 is arranged between the rotating column 61 and the rotating seat 4, and a wiring harness box 8 is installed on the outer side of the fan housing 1;

[0022] Among them, the intelligent adjustment component 7 includes a rotating groove 71 and an inner cavity 72, and the interior of the inner cavity 72 is provided with an incremental encoder 73, an adjustment motor 75, a control circuit board 78 and a battery 79, a driven gear 74 is provided on the outside of the rotating column 61, a bearing seat 76 is provided between the output end of the adjustment motor 75 and the inner cavity 72, and the outer side of the output end of the adjustment motor 75 is connected to a driving gear 77.

[0023] like Figure 1-4As shown, the number of mounting plates 2 is three and they are distributed in a ring shape, the mounting plates 2 and the driving motor 3 are connected by bolts, the mounting plates 2 and the fan casing 1 are connected by bolts, the output end of the driving motor 3 and the rotating seat 4 are fixedly connected, the number of blades 5 is several groups and they are distributed in an array, the blades 5 and the conical blocks 6 are an integrated structure, the conical blocks 6 and the rotating column 61 are fixedly connected, which is conducive to driving the blades 5 to rotate and the air to flow.

[0024] like Figure 1-5 As shown, the rotating groove 71 is connected to the inner cavity 72, the number of the rotating grooves 71 and the inner cavity 72 is equal to the number of the blades 5, the rotating groove 71 is adapted to the conical block 6, the rotating column 61 is a cylindrical structure, the incremental encoder 73 is connected to the inner cavity 72 by bolts, the output end of the incremental encoder 73 is connected to the bottom of the rotating column 61, the incremental encoder 73 is electrically connected to the control circuit board 78, the driven gear 74 is fixedly connected to the rotating column 61, a remote control module and a communication module are installed inside the control circuit board 78, the control circuit board 78 is electrically connected to the battery 79, the adjusting motor 75 is connected to the inner cavity 72 by bolts, the output end of the adjusting motor 75 is fixedly connected to the driving gear 77, the driving gear 77 is meshed with the driven gear 74, so as to facilitate the automatic angle adjustment of the blade 5.

[0025] The working principle of the utility model is as follows: during the use of the device, the fan casing 1 is installed at the air duct opening of the mine, the drive motor 3 is installed through the mounting plate 2, and the rotating seat 4 is driven to rotate through the output end of the drive motor 3, and the blades 5 are further driven to rotate to flow the air, and the angle of the blades 5 can be automatically adjusted through the intelligent adjustment component 7 to meet the use requirements.

[0026] It should be noted that, through the setting of the intelligent adjustment component 7, when the blade 5 needs to adjust the angle, the control circuit board 78 and the mobile phone app are used to set the angle that the blade 5 needs to adjust, and the output end of the adjustment motor 75 drives the active gear 77 to rotate, so that the active gear 77 and the driven gear 74 are meshed, driving the rotating column 61 to rotate, and further driving the conical block 6 and the blade 5 to rotate the angle. During the rotation of the rotating column 61, the output end of the incremental encoder 73 is driven to rotate, so that the incremental encoder 73 converts the angular displacement into an electrical signal, thereby calculating the angle and feeding it back to the control circuit board 78. When the set angle is reached, the control circuit board 78 controls the output end of the adjustment motor 75 to stop running, and the output end of the adjustment motor 75 is self-locked, thereby driving the active gear 77 to stop meshing with the driven gear 74, and then fixing the blade 5 after the angle adjustment, without manual adjustment, to meet the use requirements.

[0027] It should be noted that the working principle of the incremental encoder 73 is prior art, so it will not be elaborated in detail here.

[0028] The above is only a preferred implementation of the present invention. It should be noted that, for ordinary technicians in the technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. An intelligent blade adjustment device for a mining explosion-proof counter-rotating main fan, comprising a fan housing (1), characterized in that: A mounting plate (2) and a drive motor (3) are provided in the middle of the fan housing (1); an output end of the drive motor (3) is connected to a rotating seat (4); a blade (5) is provided on the outer side of the rotating seat (4); one end of the blade (5) is connected to a conical block (6); an end of the conical block (6) is connected to a rotating column (61); an intelligent adjustment component (7) is provided between the rotating column (61) and the rotating seat (4); and a wiring harness box (8) is installed on the outer side of the fan housing (1); The intelligent adjustment component (7) comprises a rotating groove (71) and an inner cavity (72); an incremental encoder (73), an adjustment motor (75), a control circuit board (78) and a battery (79) are arranged inside the inner cavity (72); a driven gear (74) is arranged on the outer side of the rotating column (61); a bearing seat (76) is arranged between the output end of the adjustment motor (75) and the inner cavity (72); and a driving gear (77) is connected to the outer side of the output end of the adjustment motor (75).

2. The intelligent adjustment device for blades of a mining explosion-proof counter-rotating main fan according to claim 1 is characterized in that: The number of the mounting plates (2) is three and they are distributed in a ring shape; the mounting plates (2) are connected to the drive motor (3) via bolts; and the mounting plates (2) are connected to the fan housing (1) via bolts.

3. The intelligent adjustment device for blades of a mining explosion-proof counter-rotating main fan according to claim 1 is characterized in that: The output end of the driving motor (3) is fixedly connected to the rotating seat (4), the blades (5) are provided in a plurality of groups and are distributed in an array, the blades (5) and the conical block (6) are an integral structure, and the conical block (6) and the rotating column (61) are fixedly connected.

4. The intelligent adjustment device for blades of a mining explosion-proof counter-rotating main fan according to claim 1 is characterized in that: The rotating groove (71) is communicated with the inner cavity (72); the number of the rotating groove (71) and the inner cavity (72) is equal to the number of the blades (5); the rotating groove (71) is matched with the conical block (6); and the rotating column (61) is a cylindrical structure.

5. The intelligent adjustment device for blades of a mining explosion-proof counter-rotating main fan according to claim 1 is characterized in that: The incremental encoder (73) is connected to the inner cavity (72) by bolts, the output end of the incremental encoder (73) is connected to the bottom of the rotating column (61), the incremental encoder (73) is electrically connected to the control circuit board (78), the driven gear (74) is fixedly connected to the rotating column (61), and a remote control module and a communication module are installed inside the control circuit board (78).

6. The intelligent adjustment device for blades of a mining explosion-proof counter-rotating main fan according to claim 1 is characterized in that: The control circuit board (78) is electrically connected to the battery (79), the regulating motor (75) is connected to the inner cavity (72) via bolts, the output end of the regulating motor (75) is fixedly connected to the driving gear (77), and the driving gear (77) is meshed with the driven gear (74).

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