CN113250732A

CN113250732A - A fan for colliery dust fall

Info

Publication number: CN113250732A
Application number: CN202110572201.9A
Authority: CN
Inventors: 陈清华; 周保杰; 张斌; 宋浩然; 崔锦琼; 李赛
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-08-13

Abstract

The invention discloses a fan for coal mine dust fall, which comprises a bottom plate, universal wheels, support columns, a push rod, a first support plate, a second support plate, a blowing cavity, a first connecting block, a second connecting block, a hydraulic cylinder, a water storage tank, a booster pump, a water pipe, a U-shaped frame, a screw rod, a guide rod, a lifting plate, a motor, an annular pipe, a spray head, a dust cover and fan blades. The dust settling device is small in size and convenient to operate, only needs one miner to push the operation, and is provided with the adjusting mechanism, so that the height and the angle can be adjusted according to actual conditions, and the actual dust settling effect is better; the method has wide application range and strong practicability, can be effectively suitable for underground coal mining work, and is also suitable for the field of sedimentation of other various dusts. The problem of among the prior art dust settling device bulky, difficult operation, moreover be difficult to be suitable for with underground coal mining operation is solved.

Description

A fan for colliery dust fall

Technical Field

The invention belongs to the field of coal mining, and particularly relates to a fan for coal mine dust fall.

Background

With the continuous development of the existing science and technology, the coal mine has more and more demands and wider and more application fields. The dust often flies upward along with in the exploitation in actual colliery, and the dust is not only easily absorbed by the miner, causes harmful effects to the health, and the dust too much appears exploding easily moreover to lead to the emergence of mining disaster. Therefore, in order to guarantee the life and health of miners, dust needs to be settled in the actual mining process. The existing dust settling equipment is large in size and difficult to operate, is generally used for ground operation, and is difficult to apply to underground coal mining work by using a traditional coal mining device. Therefore, the design of the dust settling device which is applicable to underground coal mining, small in size and convenient to operate meets the actual requirement.

To the problem that above-mentioned provided, design a fan for colliery dust fall now.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide the fan for coal mine dust fall, and solves the problems that a dust settling device in the prior art is large in size, difficult to operate and difficult to apply to underground coal mining operation.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a fan for colliery dust fall, includes the bottom plate, the fixed universal wheel that is equipped with the array distribution of lower extreme of bottom plate, the bottom plate internal fixation is equipped with the support column of vertical setting, one side of support column is equipped with the push rod with bottom plate fixed connection.

The fixed first backup pad that is equipped with the level setting in upper end of support column, the fixed U type frame that is equipped with in upper end of first backup pad, be equipped with the lead screw that rotates the connection in the U type frame, the fixed motor that is equipped with in upper end of U type frame, the output intercommunication U type frame of motor to with lead screw fixed connection.

The U-shaped frame is internally provided with a lifting plate, the lead screw penetrates through the lifting plate and is in threaded fit with the lifting plate, a guide rod is fixedly arranged at the upper end of the lifting plate, the guide rod penetrates through the U-shaped frame and is in sliding connection with the U-shaped frame, a second supporting plate which is transversely arranged is arranged right above the first supporting plate, and one end of the guide rod is fixedly connected with the lower end of the second supporting plate

The upper end of the second supporting plate is fixedly provided with a first connecting block and a second connecting block, a blowing cavity is arranged above the second supporting plate, the first connecting block is rotatably connected with the blowing cavity, the second connecting block is rotatably connected with a hydraulic cylinder, and the output end of the hydraulic cylinder is rotatably connected with the blowing cavity.

Furthermore, one end of the air blowing cavity is fixedly provided with an annular pipe, and the annular pipe is provided with nozzles in a circumferential array.

Further, the water storage tank has been placed in the second backup pad, the one end of water storage tank is connected with the booster pump, the one end fixed connection of water storage tank and water pipe, the other end and the ring pipe fixed connection of water pipe, water pipe intercommunication water storage tank and ring pipe.

Furthermore, a dust cover with a through groove is fixedly arranged in the blowing cavity, fan blades which are connected in a rotating mode are arranged between the dust covers, and a driving motor is arranged in each fan blade.

The invention has the beneficial effects that:

1. the fan for coal mine dust fall provided by the invention has the advantages of small volume and convenience in operation, only needs one miner to push the fan for operation, and is provided with the adjusting mechanism, so that the height and the angle can be adjusted according to actual conditions, and the actual dust settling effect is better;

2. the fan for coal mine dust fall provided by the invention has the advantages of wide application range and strong practicability, and can be effectively applied to underground coal mining work and other various dust settling fields.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is an enlarged schematic view of FIG. 1 at B;

fig. 4 is a schematic view of an internal structure of the blowing chamber according to the embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a fan for coal mine dust fall comprises a bottom plate 1, universal wheels 2 distributed in an array are fixedly arranged at the lower end of the bottom plate 1, a support column 3 vertically arranged is fixedly arranged in the bottom plate 1, and a push rod 4 fixedly connected with the bottom plate 1 is arranged on one side of the support column 3. The fixed first backup pad 5 that is equipped with the level setting in upper end of support column 3, the fixed U type frame 14 that is equipped with in upper end of first backup pad 5, be equipped with the lead screw 15 of rotating the connection in the U type frame 14, the fixed motor 18 that is equipped with in upper end of U type frame 14, the output intercommunication U type frame 14 of motor 18 to with lead screw 15 fixed connection. A lifting plate 17 is arranged in the U-shaped frame 14, and the screw rod 15 penetrates through the lifting plate 17 and is in threaded fit with the lifting plate 17. The upper end of the lifting plate 17 is fixedly provided with a guide rod 16, the guide rod 16 penetrates through the U-shaped frame 14 and is in sliding connection with the U-shaped frame 14, a second supporting plate 6 which is transversely arranged is arranged right above the first supporting plate 5, and one end of the guide rod 16 is fixedly connected with the lower end of the second supporting plate 6.

The upper end of the second supporting plate 6 is fixedly provided with a first connecting block 8 and a second connecting block 9, a blowing cavity 7 is arranged above the second supporting plate 6, the first connecting block 8 is rotatably connected with the blowing cavity 7, the second connecting block 9 is rotatably connected with a hydraulic cylinder 10, and the output end of the hydraulic cylinder 10 is rotatably connected with the blowing cavity 7. And one end of the blowing cavity 7 is fixedly provided with an annular pipe 19, and the annular pipe 19 is provided with nozzles 20 in a circumferential array. Placed water storage tank 11 on the second backup pad 6, the one end of water storage tank 11 is connected with booster pump 12, the one end fixed connection of water storage tank 11 and water pipe 13, the other end and the annular pipe 19 fixed connection of water pipe 13, water pipe 13 intercommunication water storage tank 11 and annular pipe 19. The air blowing device is characterized in that dust covers 21 with through grooves are fixedly arranged in the air blowing cavity 7, fan blades 22 which are connected in a rotating mode are arranged between the dust covers 21, and driving motors are arranged in the fan blades 22.

During the use, hold push rod 4 by a miner, push away the integrated device to the assigned position, then start 18, adjust the height of second backup pad 6 to according to actual conditions, the output of control pneumatic cylinder 10 is flexible, adjusts the inclination of blowing the chamber 7. Then the fan 22 is controlled to rotate, then the booster pump 12 boosts the pressure in the water storage tank 11, so that the water in the water storage tank 11 flows to the annular pipe 19 through the water pipe 13, and is finally sprayed out by the spray head 20, the air flow caused by the fan 22 after the water is sprayed out is further refined into liquid drops, and the dust suspended in the mine tunnel is settled.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. A fan for coal mine dust fall comprises a bottom plate (1) and is characterized in that universal wheels (2) distributed in an array mode are fixedly arranged at the lower end of the bottom plate (1), supporting columns (3) arranged vertically are fixedly arranged in the bottom plate (1), and push rods (4) fixedly connected with the bottom plate (1) are arranged on one sides of the supporting columns (3);

a first support plate (5) which is horizontally arranged is fixedly arranged at the upper end of the support column (3), a U-shaped frame (14) is fixedly arranged at the upper end of the first support plate (5), a screw rod (15) which is rotatably connected is arranged in the U-shaped frame (14), a motor (18) is fixedly arranged at the upper end of the U-shaped frame (14), and the output end of the motor (18) is communicated with the U-shaped frame (14) and is fixedly connected with the screw rod (15);

a lifting plate (17) is arranged in the U-shaped frame (14), the screw rod (15) penetrates through the lifting plate (17) and is in threaded fit with the lifting plate (17), a guide rod (16) is fixedly arranged at the upper end of the lifting plate (17), the guide rod (16) penetrates through the U-shaped frame (14) and is in sliding connection with the U-shaped frame (14), a second support plate (6) which is transversely arranged is arranged right above the first support plate (5), and one end of the guide rod (16) is fixedly connected with the lower end of the second support plate (6);

the utility model discloses a pneumatic control device, including second backup pad (6), first connecting block (8) and second connecting block (9) are fixed to be equipped with in the upper end of second backup pad (6), the top of second backup pad (6) is equipped with air blowing chamber (7), first connecting block (8) rotate with air blowing chamber (7) to be connected, second connecting block (9) rotate with pneumatic cylinder (10) to be connected, the output of pneumatic cylinder (10) rotates with air blowing chamber (7) to be connected.

2. The fan for coal mine dust fall according to claim 1, characterized in that one end of the air blowing cavity (7) is fixedly provided with an annular pipe (19), and the annular pipe (19) is provided with a circumferential array of nozzles (20).

3. The fan for coal mine dust fall according to claim 2, wherein a water storage tank (11) is placed on the second supporting plate (6), one end of the water storage tank (11) is connected with a booster pump (12), the water storage tank (11) is fixedly connected with one end of a water pipe (13), the other end of the water pipe (13) is fixedly connected with a ring pipe (19), and the water pipe (13) is communicated with the water storage tank (11) and the ring pipe (19).

4. The fan for coal mine dust fall according to claim 2, wherein a dust cover (21) with a through groove is fixedly arranged in the air blowing cavity (7), fan blades (22) which are rotatably connected are arranged between the dust covers (21), and a driving motor is arranged in each fan blade (22).