CN219840814U - Movable coal mine exhaust fan - Google Patents
Movable coal mine exhaust fan Download PDFInfo
- Publication number
- CN219840814U CN219840814U CN202321309825.2U CN202321309825U CN219840814U CN 219840814 U CN219840814 U CN 219840814U CN 202321309825 U CN202321309825 U CN 202321309825U CN 219840814 U CN219840814 U CN 219840814U
- Authority
- CN
- China
- Prior art keywords
- support
- exhaust fan
- coal mine
- rotation axis
- bottom plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000003245 coal Substances 0.000 title claims abstract description 30
- 230000005484 gravity Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000428 dust Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 239000013618 particulate matter Substances 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000000779 smoke Substances 0.000 abstract 1
- 238000009692 water atomization Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000003595 mist Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a mobile coal mine exhaust fan, which relates to the technical field of coal mine exhaust and comprises the following components: the support, the right-hand member fixed mounting of support has the handle, the below movable mounting of support has the removal wheel, and the top movable mounting of support has the gag lever post, the top movable mounting of support has the bottom plate, and the front and back both ends fixed mounting of bottom plate have the connecting axle, the top fixed mounting of bottom plate has the shell, and the inside fixed mounting of shell has the support frame, alternate on the support frame and install the rotation axis, the rotation axis is hollow structure, and the rotation axis left end alternate and install atomizer, alternate the installation connecting pipe through the bearing at the right-hand member of rotation axis, the connecting pipe can be connected with ordinary water pipe, with in the water leading-in axis, again by the atomizer of axis left end with water atomization blowout, reach the effect of dust fall when airing exhaust through the absorption of water smoke to the particulate matter.
Description
Technical Field
The utility model relates to the technical field of coal mine exhaust, in particular to a movable coal mine exhaust fan.
Background
Various harmful gases such as methane, carbon monoxide and the like exist in the mine, and if the harmful gases are not discharged in time, the harmful gases can greatly influence the production of the mine. The ventilation system can effectively exhaust harmful gas out of the mine, so that the air in the mine is ensured to be fresh, and the work of miners is facilitated.
The existing references are: the Chinese patent of CN105674460B discloses an exhaust fan, which comprises an air box, an air blower bracket and a control box, wherein the air blower bracket is arranged outside the air box, the air blower bracket is provided with an air blower, and an air nozzle of the air blower is communicated with the inside of the air box; the air box is provided with an air outlet matched with the air nozzle of the air blower, the air outlet and the air nozzle of the air blower are positioned on the same horizontal line in the air box, and the air outlet is tangential with the outer contour of the air box; the wind box is provided with a rotating shaft, a roller is sleeved on the rotating shaft, the surface of the roller is uniformly provided with wind blades, one upwind side of each wind blade is a concave curved surface, and one downwind side of each wind blade is an arc surface; the left side and the right side of the bellows are respectively provided with a supporting seat concavely embedded inwards, and the rotating shaft penetrates through the side wall of the bellows and extends to the supporting seats; the two ends of the rotating shaft are connected with a generator through a flange plate; the utility model has simple structure, high wind energy utilization rate and improved energy utilization rate, and can save 70% of the electric quantity of the exhaust fan during working.
Because current exhaust fan power is great, portable exhaust fan can take place to remove or empty at the during operation to the exhaust fan can't be according to the inside actual conditions of mine regulation exhaust angle, and exhaust gas can be blocked by the inside ramp of mine and can't form better effect of airing exhaust, and the inside a large amount of particulate matters that have of mine moreover, ordinary opportunity of airing exhaust is raised the particulate matter, influences the in-mine visibility, influences the workman in-mine work.
Disclosure of Invention
The utility model aims to solve the technical problems that the prior art is likely to topple and a certain dust raising effect is generated, and provides a movable coal mine exhaust fan which has the advantages of dust falling, capability of nailing the exhaust fan on the ground and preventing the exhaust fan from toppling.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a mobile coal mine exhaust fan comprising:
the device comprises a bracket, wherein a handle is fixedly arranged at the right end of the bracket, a moving wheel is movably arranged below the bracket, a limiting rod is movably arranged above the bracket, a bottom plate is movably arranged above the bracket, connecting shafts are fixedly arranged at the front end and the rear end of the bottom plate, a shell is fixedly arranged above the bottom plate, a supporting frame is fixedly arranged inside the shell, a rotating shaft is installed on the supporting frame in a penetrating manner, the rotating shaft is of a hollow structure, an atomizing nozzle is installed at the left end of the rotating shaft in a penetrating manner, a driving belt is movably linked at the left end of the rotating shaft, a limiting ring is installed at the right end of the rotating shaft in a penetrating manner, a bearing is installed inside the limiting ring in a penetrating manner, a connecting pipe is installed inside the bearing in a penetrating manner, and a fan blade is installed above the bottom plate in a penetrating manner; the movable wheels are arranged to facilitate the adjustment of the working position of the movable coal mine exhaust fan.
In a preferred embodiment, the bottom surface of the left end of the bracket is provided with a conical structure, square protrusions are symmetrically arranged on the top surface of the bracket at equal intervals around the center of gravity of the bracket, the intervals of the square protrusions are larger than the width of the limiting rod, and the limiting rod can be movably arranged in the intervals of the square protrusions of the bracket; the limiting rod can fix the rotation angle of the bottom plate through the installation position on the bracket.
In a preferred embodiment, cylindrical openings are symmetrically formed in the support in the front-back direction by taking the center of gravity of the support as a reference, the cylindrical openings of the support can be penetrated and installed by a connecting shaft, and the support is in rotary connection with a bottom plate through the connecting shaft; the support is rotatably connected with the bottom plate through the connecting shaft, and the bottom plate can be allowed to rotate by taking the rotating shaft as an axle center while limiting the relative position of the bottom plate and the support.
In a preferred embodiment, the support frame has a cross-shaped structure, and is symmetrically arranged inside the shell from the left to the right with the center of gravity of the shell as a reference; the support frame is "cross" font structure can increase the tie point of support frame and shell, guarantees through increasing the tie point that support frame and shell can firm the connection.
In a preferred embodiment, the connecting tube is rotatably connected to the stop collar via a bearing; the use of the bearing can prevent the communicating pipe from rotating along with the limiting ring when the limiting ring rotates.
In a preferred embodiment, the fan blades are symmetrically inserted and mounted on the rotating shaft from left to right with respect to the center of gravity of the rotating shaft; the two fan blades can form larger wind power under the same power of the motor.
In a preferred embodiment, the motor is rotatably connected to the rotary shaft via a belt; the motor is rotatably connected with the rotating shaft through the transmission belt, and the motor can be arranged outside the axis of the rotating shaft to ensure that the motor cannot increase wind resistance.
In a preferred embodiment, the center of the support frame is provided with a cylindrical opening, and the radius of the cylindrical opening of the support frame is larger than the radius of the rotating shaft; the cylindrical opening arranged in the center of the support frame can be used for inserting and installing the rotating shaft, and the axis position of the rotating shaft is limited.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the movable coal mine exhaust fan, the conical structure is arranged at the lower end of the support, when the movable coal mine exhaust fan is used, the conical structure can be knocked into the ground, the motor drives the fan blades to rotate, the fan blades fan out air, the air can act on the fan blades in opposite directions, the reaction force continuously exists, the exhaust angle of the position of the exhaust fan without the fixed structure is changed or even topples, and the movable coal mine exhaust fan can conduct force to the ground to avoid toppling;
2. according to the movable coal mine exhaust fan, the connecting pipe is installed at the right end of the rotating shaft in a penetrating mode through the bearing, the connecting pipe can be connected with the common water pipe, water is led into the rotating shaft, then the water is atomized and sprayed out through the atomizing nozzle at the left end of the rotating shaft, and the effect of dust fall during exhaust is achieved through adsorption of water mist on particles;
3. this portable colliery exhaust fan, through the setting of connecting axle with the gag lever post, the bottom plate constitutes through connecting axle and support and rotates to be connected, and the rotation of accessible bottom plate adjusts the angle of airing exhaust of this portable colliery exhaust fan to fix bottom plate lifting angle through the mounted position who changes the gag lever post, reach the effect that changes the angle of airing exhaust.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a mobile coal mine exhaust fan in one embodiment of the utility model;
FIG. 2 is a schematic diagram of a support structure of a mobile coal mine exhaust fan according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a base plate structure of a mobile coal mine exhaust fan according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of an exhaust structure of a mobile coal mine exhaust fan according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram showing a connection structure between a rotating shaft and a driving belt of a mobile coal mine exhaust fan according to an embodiment of the present utility model;
101. a bracket; 102. a handle; 103. a moving wheel; 104. a limit rod; 201. a bottom plate; 202. a connecting shaft; 203. a support frame; 204. a housing; 301. a rotation shaft; 302. an atomizing nozzle; 303. a transmission belt; 304. a limiting ring; 305. a bearing; 306. a connecting pipe; 307. a fan blade; 308. and a motor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
referring to fig. 1-2, in this embodiment, a mobile exhaust fan for a coal mine includes: the support 101, the right-hand member fixed mounting of support 101 has handle 102, and the below movable mounting of support 101 has movable wheel 103, and the top movable mounting of support 101 has gag lever post 104, and the left end bottom surface of support 101 is provided with the toper structure, and the top surface of support 101 uses the focus of support 101 as the symmetry equidistance around the benchmark to be provided with square protruding, and square bellied interval is greater than gag lever post 104 width, and gag lever post 104 can movable mounting in the square bellied interval of support 101.
Specifically, the handle 102 can be convenient for apply force to this portable colliery exhaust fan when removing, and the toper structure that support 101 ground set up can make support 101 imbeds ground and makes this portable colliery exhaust fan have better stability, and gag lever post 104 can install in the top surface of support 101, controls the exhaust angle of this portable colliery exhaust fan through the different mounted position of gag lever post 104.
The support 101 is provided with cylindrical openings in a front-back symmetrical mode based on the gravity center of the support 101, a bottom plate 201 is movably mounted above the support 101, connecting shafts 202 are fixedly mounted at the front end and the rear end of the bottom plate 201, the bottom plate 201 is in rotary connection with the support 101 through the connecting shafts 202, a shell 204 is fixedly mounted above the bottom plate 201, a support frame 203 is fixedly mounted inside the shell 204, the support frame 203 is of a cross-shaped structure, the support frame 203 is mounted inside the shell 204 in a left-right symmetrical mode based on the gravity center of the shell 204, cylindrical openings are formed in the center of the support frame 203, and the radius of the cylindrical openings of the support frame 203 is larger than that of the rotary shaft 301.
Specifically, the bottom plate 201 is rotatably connected with the bracket 101 through the connecting shaft 202, so that the position of the bottom plate 201 can be limited, the bottom plate 201 can be allowed to rotate on the bracket 101 by taking the connecting shaft 202 as an axle center, the supporting frame 203 is of a cross-shaped structure, the connection point of the supporting frame 203 and the shell 204 can be increased, and the supporting frame 203 and the shell 204 can be firmly connected.
Embodiment two:
referring to fig. 1 to 5, in the present embodiment, a rotating shaft 301 is installed on a supporting frame 203 in a penetrating manner, the rotating shaft 301 is of a hollow structure, and an atomizing nozzle 302 is installed at the left end of the rotating shaft 301 in a penetrating manner.
Specifically, the atomizing nozzle 302 can atomize and spray water, the dust settling effect is achieved through the adsorption of the water mist, and the rotating shaft 301 is of a hollow structure and can allow water flow to be conducted through the rotating shaft 301.
The left end of the rotary shaft 301 is movably linked with a transmission belt 303, the right end of the rotary shaft 301 is provided with a limiting ring 304 in a penetrating way, a bearing 305 is provided in the limiting ring 304 in a penetrating way, a connecting pipe 306 is provided in the bearing 305 in a penetrating way, and the connecting pipe 306 is in rotary connection with the limiting ring 304 through the bearing 305.
Specifically, the connecting pipe 306 can be connected with a common water pipe, water flow is conducted into the rotating shaft 301, the connecting pipe 306 is rotationally connected with the limiting ring 304 through the bearing 305, the connecting pipe 306 can be prevented from being driven to rotate by the limiting ring 304, the rotating shaft 301 is prevented from rotating to drive the water pipe connected with the connecting pipe 306, and the situation that the water pipe is twisted and insufficient water supply occurs is avoided
A motor 308 is fixedly arranged above the bottom plate 201 of the fan 307 and is inserted and arranged on the rotating shaft 301, and the motor 308 is rotatably connected with the rotating shaft 301 through a driving belt 303.
Specifically, the motor 308 is mounted at a position other than the axial center of the rotary shaft 301 by the belt 303, so that the influence of the motor 308 on the exhaust effect of the movable type coal mine exhaust fan can be reduced.
The fan 307 is inserted and attached to the rotation shaft 301 symmetrically with respect to the center of gravity of the rotation shaft 301.
Specifically, the symmetrically installed fan blades 307 can improve the air output of the mobile coal mine exhaust fan under the same power.
Working principle: firstly, the movable coal mine exhaust fan is moved to a working position, the conical structure of the bottom surface of the support 101 is knocked into the bottom surface to fix the movable coal mine exhaust fan, then the bottom plate 201 is adjusted to a proper angle according to the use environment, the installation position of the limiting rod 104 is changed, the angle of the bottom plate 201 is fixed, if the working environment has more particles, a common water pipe is connected with the connecting pipe 306, water flow can enter the rotating shaft 301, the atomizing nozzle 302 at the left end of the rotating shaft 301 atomizes and then sprays out, then the motor 308 is started, the motor 308 can drive the rotating shaft 301 to rotate, the fan blades 307 which are fixedly inserted with the rotating shaft 301 rotate under the drive of the rotating shaft 301, the fan blades 307 can drive air to achieve the effect of exhausting when rotating, and the air driven by the fan blades 307 can diffuse the water mist sprayed out by the atomizing nozzle 302 forwards, the effect of dust fall is achieved through the adsorption action of the water mist.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a portable colliery exhaust fan which characterized in that includes:
support (101), the right-hand member fixed mounting of support (101) has handle (102), the below movable mounting of support (101) has removal round (103), and the top movable mounting of support (101) has gag lever post (104), the top movable mounting of support (101) has bottom plate (201), and the front and back both ends fixed mounting of bottom plate (201) have connecting axle (202), the top fixed mounting of bottom plate (201) has shell (204), and the inside fixed mounting of shell (204) has support frame (203), install rotation axis (301) on the support frame (203) interlude, rotation axis (301) are hollow structure, and rotation axis (301) left end interlude installs atomizer (302), the left end movable linking of rotation axis (301) has drive belt (303), rotation axis (301) right-hand member interlude is installed spacing ring (304), and the inside interlude of spacing ring (304) is installed bearing (305), the inside interlude of bearing (305) is installed connecting pipe (306), install fan blade (307) on rotation axis (301) install fan blade (201) fixed mounting.
2. A mobile coal mine exhaust fan as claimed in claim 1, wherein:
the left end bottom surface of support (101) is provided with toper structure, the top surface of support (101) is provided with square arch with the focus of support (101) as the symmetry equidistance around benchmark, square bellied interval is greater than gag lever post (104) width, and gag lever post (104) can movable mounting in the bellied interval of support (101) square.
3. A mobile coal mine exhaust fan as claimed in claim 1, wherein:
cylindrical openings are symmetrically formed in the support (101) around the center of gravity of the support (101), the cylindrical openings of the support (101) can be penetrated by a connecting shaft (202), and the support (101) is rotatably connected with a bottom plate (201) through the connecting shaft (202).
4. A mobile coal mine exhaust fan as claimed in claim 1, wherein:
the support frame (203) is of a cross-shaped structure, and the support frame (203) is symmetrically arranged in the shell (204) by taking the center of gravity of the shell (204) as a reference.
5. A mobile coal mine exhaust fan as claimed in claim 1, wherein:
the connecting pipe (306) is rotatably connected with the limiting ring (304) through a bearing (305).
6. A mobile coal mine exhaust fan as claimed in claim 1, wherein:
the fan blades (307) are symmetrically inserted and installed on the rotating shaft (301) by taking the center of gravity of the rotating shaft (301) as a reference.
7. A mobile coal mine exhaust fan as claimed in claim 1, wherein:
the motor (308) is rotatably connected with the rotating shaft (301) through a transmission belt (303).
8. A mobile coal mine exhaust fan as claimed in claim 1, wherein:
the center of the supporting frame (203) is provided with a cylindrical opening, and the radius of the cylindrical opening of the supporting frame (203) is larger than that of the rotating shaft (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321309825.2U CN219840814U (en) | 2023-05-27 | 2023-05-27 | Movable coal mine exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321309825.2U CN219840814U (en) | 2023-05-27 | 2023-05-27 | Movable coal mine exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219840814U true CN219840814U (en) | 2023-10-17 |
Family
ID=88305734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321309825.2U Active CN219840814U (en) | 2023-05-27 | 2023-05-27 | Movable coal mine exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219840814U (en) |
-
2023
- 2023-05-27 CN CN202321309825.2U patent/CN219840814U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |