Wind pressure self-adaptive adjusting type mine ventilation device

Abstract

The utility model relates to the technical field of mine ventilation devices, in particular to a wind pressure self-adaptive adjusting type mine ventilation device which comprises a base fixedly provided with a gas concentration detector, the base is rotationally provided with a rotating seat, and fan blade pieces are rotationally arranged on the rotating seat in a circumferential array mode. A magnetic seat is coaxially arranged in the rotating seat in a sliding mode, rack parts are arranged on the magnetic seat in a circumferential array mode, the rack parts are meshed with gear ring parts arranged on the fan blade pieces, and the magnetic seat is driven to axially slide so as to drive the fan blade pieces to rotate to change the angles of the fan blades. According to the wind pressure self-adaptive adjusting type mine ventilation device, the gas concentration detector and the magnetic base are used for achieving self-adaptive angle adjustment of the fan blade piece on the rotating base according to the gas concentration in a mine so as to complete wind pressure adjustment; and when the gas concentration is increased, the ventilation air pressure is automatically increased so as to further improve the safety in the mine.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine ventilation device technical field, concretely relates to a kind of mine ventilation device of wind pressure self-adaptive regulation. BACKGROUND

[0002] Mine ventilation device is often used in mine to ensure air circulation in mine.

[0003] According to the publication number CN215927445U, the publication (announcement) date: 2022.03.01, a kind of mine ventilation device is disclosed, including base and wind increasing box, movable column, shock absorber spring, spring and limit plate are set on base, spring is fixedly connected with wind increasing box, wind increasing box is divided into air outlet pipeline, cavity and pipeline by partition, air outlet pipeline and air inlet pipeline are the same structure with opposite direction of internal parts, driven shaft, driven gear and fan blade are arranged in air outlet pipeline and air inlet pipeline, annular protrusion and groove are set on wind increasing box.

[0004] In the prior art including the above patent, the driven shaft is driven to rotate the fan blade by the double-head motor and the drive shaft, thereby realizing the ventilation operation in the mine. However, when the gas concentration in the mine changes, the ventilation device is difficult to adaptively adjust the ventilation pressure according to the gas concentration in the mine air, thereby easily leading to a safety accident caused by excessive gas concentration in the mine. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a kind of mine ventilation device of wind pressure self-adaptive regulation, to solve the above problems.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of mine ventilation device of wind pressure self-adaptive regulation, including the base that gas concentration detector is fixedly set on, the base is rotationally provided with rotating seat, the rotating seat is rotationally provided with fan blade piece in circumferential array, the rotating seat is coaxially slidably arranged with magnetic seat, the magnetic seat is provided with rack portion in circumferential array, the rack portion is engaged with the gear ring portion provided on fan blade piece, the magnetic seat is driven to slide axially to drive fan blade piece to rotate and change fan angle.

[0007] As preferred, it further includes a magnetic plate and a telescopic cylinder arranged on the base, the magnetic plate is repelled by the magnetic seat, and the magnetic plate is driven by the telescopic cylinder to slide coaxially and axially relative to the magnetic seat.

[0008] As preferred, the fan blade piece is symmetrically provided with a mounting hole, the mounting hole is provided with a marking rod and a first elastic member, the first end of the marking rod is provided with a sharp corner, and the marking rod is driven by the first elastic member to slide axially so that the first end of the marking rod abuts against the rotating seat.

[0009] Preferably, the magnetic seat is provided with an extension part extending coaxially to the outside of the rotating seat, and the end of the extension part is semicircular.

[0010] Preferably, the extension part is provided with a plurality of convex parts arranged circumferentially and directed to the rotating seat.

[0011] Preferably, the rotating seat is provided with a second elastic member for driving the magnetic seat to slide away from the fan piece to reset.

[0012] Preferably, the base is provided with a mounting part, the mounting part is provided with a sliding cavity, and the magnetic plate is provided with a sliding part which is slidingly arranged in the sliding cavity.

[0013] Preferably, the mounting part is provided with a rotating groove, and the rotating seat is provided with a rotating part which is rotatably arranged in the rotating groove.

[0014] Preferably, the fan piece is made of stainless steel.

[0015] Preferably, the ruler piece is made of stainless steel.

[0016] In the above technical solution, the wind pressure self-adaptive adjusting type mine ventilation device has the following beneficial effects: the fan piece on the rotating seat can be self-adaptively adjusted in angle according to the gas concentration in the mine to complete the wind pressure adjustment by using the gas concentration detector and the magnetic seat, and when the gas concentration increases, the ventilation wind pressure is automatically increased to further improve the safety in the mine. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0018] Figure 1 The overall structure schematic view provided by the embodiment of the present application is provided.

[0019] Figure 2 The overall structure longitudinal section view schematic view provided by the embodiment of the present application is provided.

[0020] Figure 3 The overall structure transverse section view schematic view provided by the embodiment of the present application is provided.

[0021] Figure 4 The overall explosion structure schematic view provided by the embodiment of the present application is provided.

[0022] Figure 5The utility model discloses an explosion structure schematic view of rotating seat, fan blade and magnetic seat.

[0023] Mark explanation:

[0024] 1, base; 11, install department; 12, sliding cavity; 13, rotating groove; 2, rotating seat; 21, mounting hole; 22, movable cavity; 23, rotating part; 3, fan blade; 31, gear ring part; 32, install hole; 4, magnetic seat; 41, rack part; 42, extension part; 43, protruding part; 5, magnetic plate; 51, sliding part; 6, telescopic cylinder; 7, ruler; 8, first elastic part; 9, second elastic part; 92, gas concentration detector. Specific implementation

[0025] In order to make the purpose, technical scheme and advantage of the embodiment of the disclosure clearer, the technical scheme of the embodiment of the disclosure will be clearly and completely described below in combination with the drawings of the embodiment of the disclosure. Obviously, the described embodiment is a part of the embodiment of the disclosure, not all the embodiment. Based on the described embodiment of the disclosure, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the disclosure.

[0026] As Figures 1-5 Shown, a kind of wind pressure self-adaptive regulation type mine ventilation device, including the base 1 of which gas concentration detector 92 is fixedly arranged on top, base 1 rotationally arranged rotating seat 2, rotating seat 2 is rotationally arranged with fan blade 3 on circumferential array, rotating seat 2 is coaxially arranged with magnetic seat 4 in sliding, magnetic seat 4 is rotationally arranged with rack part 41 on circumferential array, rack part 41 is engaged with gear ring part 31 arranged on fan blade 3, magnetic seat 4 is driven axially sliding to drive fan blade 3 rotationally change fan angle.

[0027] Specifically, as Figure 2 Shown, rotating seat 2 is rotationally arranged on base 1, and fan blade 3 is rotationally arranged on the mounting hole 21 of rotating seat 2, magnetic seat 4 is axially slidingly arranged in the movable cavity 22 of rotating seat 2, rotating seat 2 can drive fan blade 3 to rotate to drive the gas flow in mine, to realize ventilation operation, and when gas concentration detector 92 detects that the gas concentration in mine rises, magnetic seat 4 is driven to slide to drive fan blade 3 to rotate axially by rack part 41 and gear ring part 31, to change the fan angle of fan blade 3 on rotating seat 2 to improve the driving capacity of fan blade 3, to realize the improvement regulation of ventilation wind pressure. Fan blade 3 on rotating seat 2 can be adaptively angle-regulated according to the gas concentration in mine by gas concentration detector 92 and magnetic seat 4 to complete wind pressure regulation, and when gas concentration increases, ventilation wind pressure is automatically increased to further improve the safety in mine.

[0028] In the technical scheme, the gas concentration detector 92 and the magnetic seat 4 are used to realize that the fan blade 3 on the rotating seat 2 can be adaptively adjusted in angle according to the gas concentration in the mine to complete the air pressure regulation, and when the gas concentration increases, the air pressure is automatically increased to further improve the safety in the mine.

[0029] As further provided in the utility model, the magnetic plate 5 and the telescopic cylinder 6 are arranged on the base 1, the magnetic plate 5 is repelled by the magnetic seat 4, and the magnetic plate 5 is driven by the telescopic cylinder 6 to slide coaxially and axially relative to the magnetic seat 4.

[0030] Specifically, as shown in the figure, Figure 2 When the gas concentration detector 92 detects that the gas concentration rises, the telescopic cylinder 6 is started to drive the magnetic plate 5 to slide relative to the magnetic seat 4 and approach the magnetic seat 4, and the magnetic seat 4 is axially slid by the magnetic repulsion force to drive the fan blade 3 to rotate and change the angle, thereby increasing the flow rate of the fan blade 3. The magnetic plate 5 is used to drive the magnetic seat 4 to axially slide, thereby avoiding the problem of increased rotation resistance caused by the rotation friction between the magnetic seat 4 and the external components, and improving the rotation stability of the rotating seat 2.

[0031] The telescopic cylinder 6, the gas concentration detector 92 and the electrical connection therebetween are common technical knowledge of those skilled in the art, and will not be described here.

[0032] As further provided in the utility model, the fan blade 3 is symmetrically provided with a mounting hole 32, a marking rod 7 and a first elastic member 8 are arranged in the mounting hole 32, a sharp corner is arranged at the first end of the marking rod 7, and the marking rod 7 is axially slid by the first elastic member 8 to make the first end of the marking rod 7 abut against the rotating seat 2.

[0033] Specifically, as shown in the figure, Figure 5 The end of the marking rod 7 towards the rotating seat 2 is the first end, and the first elastic member 8 and the marking rod 7 are arranged in the mounting hole 32 of the fan blade 3, so that the first elastic member 8 always drives the sharp corner of the marking rod 7 to abut against the outer circumferential side surface of the rotating seat 2. When the magnetic seat 4 drives the fan blade 3 to rotate, the marking rod 7 will abut against the outer circumferential side surface of the rotating seat 2 and be dragged, thereby cutting the lint or hair wound on the outer circumferential side surface of the rotating seat 2, and avoiding the problem that the hair or lint wound on the rotating seat 2 causes excessive rotation resistance to the rotating seat 2 and reduces the air pressure of the device. The first elastic member 8 can be replaced by any elastic member known to those skilled in the art, such as a spring, an elastic plate or an air bag.

[0034] As further provided in the utility model, the magnetic seat 4 is provided with an extension 42 extending coaxially to the outside of the rotating seat 2, and the end of the extension 42 is semicircular.

[0035] Specifically, as shown in the figure,Figure 4 As shown in the figure, the extension part 42 of the magnetic seat 4 extends outside the rotating seat 2, and further makes the lint fibers or hairs floating in the mine air more easily entangled between the extension part 42 and the rotating seat 2 when the lint fibers or hairs are sucked and flowed by the fan blade 3 without interfering with the rotation of the rotating seat 2, further improving the rotation stability of the rotating seat 2. Secondly, the extension part 42 can also be manually pulled to drive the magnetic seat 4 to slide, and further manually change the driving amount of the fan blade 3 to change the ventilation air pressure, facilitating actual use.

[0036] As a further provided embodiment of the utility model, the extension part 42 is circumferentially arranged with a protruding part 43 towards the rotating seat 2.

[0037] Specifically, the extension part 42 is circumferentially arranged with a protruding part 43 towards the rotating seat 2, when the extension part 42 rotates synchronously with the rotating part 23, the protruding part 43 is used to make the lint fibers or hairs be stuck between the extension part 42 and the rotating seat 2, and will not fall out of the extension part 42 and the rotating seat 2 with the rotation of the rotating seat 2, further improving the rotation stability of the rotating seat 2.

[0038] As a further provided embodiment of the utility model, the rotating seat 2 is provided with a second elastic member 9 for driving the magnetic seat 4 to slide away from the fan blade 3 to reset.

[0039] Specifically, the second elastic member 9 is arranged in the rotating seat 2 to always push the magnetic seat 4 to axially slide and reset away from the fan blade 3, facilitating the adjustment and use of the magnetic seat 4 to the fan blade 3. The second elastic member 9 can be replaced by a spring, an elastic plate, an air bag and other elastic members known to those skilled in the art.

[0040] As a further provided embodiment of the utility model, the base 1 is provided with a mounting part 11, the mounting part 11 is provided with a sliding cavity 12, the magnetic plate 5 is provided with a sliding part 51, and the sliding part 51 is slidably arranged in the sliding cavity 12.

[0041] Specifically, the sliding part 51 of the magnetic plate 5 is slidably arranged in the sliding cavity 12 of the mounting part 11 to improve the axial sliding stability of the magnetic plate 5.

[0042] As a further provided embodiment of the utility model, the mounting part 11 is provided with a rotating groove 13, and the rotating seat 2 is provided with a rotating part 23, and the rotating part 23 is rotatably arranged in the rotating groove 13.

[0043] Specifically, the rotating part 23 of the rotating seat 2 is rotatably arranged in the rotating groove 13 of the mounting part 11 to further improve the rotation stability of the rotating seat 2.

[0044] As a further provided embodiment of the utility model, the fan blade 3 is a stainless steel part.

[0045] Specifically, the fan blade 3 is a stainless steel piece to improve its corrosion resistance, improve the service life of the fan blade 3.

[0046] As further provided by the utility model, the marking rod 7 is a stainless steel piece.

[0047] Specifically, the marking rod 7 is a stainless steel piece to improve its corrosion resistance, improve the service life of the marking rod 7.

[0048] The above only describes certain exemplary embodiments of the utility model in a manner of illustration, without doubt, for ordinary skilled in the art, under the condition that deviating from the spirit and scope of the utility model, the described embodiments can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A mine ventilation device with adaptive regulation of air pressure, characterized in that, The base (1) is provided with a gas concentration detector (92) fixedly arranged on the top, the base (1) is rotationally arranged with a rotating seat (2), the rotating seat (2) is circumferentially arranged with a plurality of fan pieces (3), the rotating seat (2) is coaxially arranged with a magnetic seat (4) slidingly arranged in the rotating seat (2), the magnetic seat (4) is circumferentially arranged with a plurality of rack portions (41), the rack portions (41) are engaged with a plurality of gear ring portions (31) arranged on the fan pieces (3), the magnetic seat (4) is axially driven to rotate the fan pieces (3) to change the fan angle.

2. The mine ventilation device of claim 1, wherein, The base (1) is further arranged with a magnetic plate (5) and a telescopic cylinder (6), the magnetic plate (5) is repulsively arranged with the magnetic seat (4), and the magnetic plate (5) is coaxially axially driven by the telescopic cylinder (6) to slide relative to the magnetic seat (4).

3. The mine ventilation device of claim 1, wherein, The fan pieces (3) are symmetrically arranged with a plurality of installation holes (32), the installation holes (32) are arranged with a plurality of marking rods (7) and a plurality of first elastic members (8), the first ends of the marking rods (7) are arranged with a plurality of sharp corners, and the marking rods (7) are axially driven by the first elastic members (8) to abut against the rotating seat (2).

4. The mine ventilation device of claim 1, wherein, The magnetic seat (4) is arranged with a plurality of extension portions (42) extending to the outside of the rotating seat (2), and the ends of the extension portions (42) are semicircular.

5. The mine ventilation device of claim 4, wherein, The extension portions (42) are circumferentially arranged with a plurality of protruding portions (43) arranged towards the rotating seat (2).

6. The mine ventilation device of claim 1, wherein, The rotating seat (2) is arranged with a plurality of second elastic members (9) for driving the magnetic seat (4) to slide away from the fan pieces (3) to reset.

7. The mine ventilation device of claim 2, wherein, The base (1) is arranged with an installation portion (11), the installation portion (11) is arranged with a plurality of sliding cavities (12), the magnetic plate (5) is arranged with a plurality of sliding portions (51), and the sliding portions (51) are slidingly arranged in the sliding cavities (12).

8. The mine ventilation device of claim 7, wherein, The installation portion (11) is arranged with a plurality of rotating grooves (13), and the rotating seat (2) is arranged with a plurality of rotating portions (23), and the rotating portions (23) are rotationally arranged in the rotating grooves (13).

9. The mine ventilation device of claim 1, wherein, The fan pieces (3) are stainless steel pieces.

10. The mine ventilation device of claim 3, wherein, The marking rods (7) are stainless steel pieces.

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