CN218912933U

CN218912933U - Ventilation and dust fall mechanism for coal mining

Info

Publication number: CN218912933U
Application number: CN202223527150.7U
Authority: CN
Inventors: 胡瑞琴
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-04-25
Anticipated expiration: 2032-12-28

Abstract

The utility model provides a ventilation and dust fall mechanism for coal mining, and belongs to the technical field of coal mine equipment. The ventilation and dust fall mechanism for coal mining comprises a bottom plate, upright posts are arranged at four corners of the top end of the bottom plate, a ventilation pipe is arranged at the top end of the upright posts, one end of the ventilation pipe is connected with a guide cover, an opening is formed in the bottom end of the inner side of the ventilation pipe, a collecting mechanism is arranged in the inner side of the opening, a filter screen is arranged in the inner side of the ventilation pipe and is close to the opening, a cleaning mechanism is arranged on one side of the filter screen, an activated carbon filter box is arranged on one side of the ventilation pipe, an air suction mechanism is arranged at the other end of the inner side of the ventilation pipe, the top end of the bottom plate is provided with the dust fall mechanism, and the collecting mechanism comprises a collecting box, and a collecting box is embedded on one side of the collecting box.

Description

Ventilation and dust fall mechanism for coal mining

Technical Field

The utility model relates to the technical field of coal mine equipment, in particular to a ventilation and dust fall mechanism for coal mining.

Background

Mining is technology and science for mining mineral resources from the crust and the earth surface, the broad mining also comprises mining of coal and petroleum, the mining industry is an important raw material industry, metal ores are main raw materials of smelting industry, nonmetallic ores are important chemical raw materials and building materials, a large amount of dust is generated in the mining process, the dust with high concentration is diffused and accumulated, dust on a mining working face is sucked into the working environment for a long time, coal silicosis is easy to obtain for coal workers, and particularly, coal silicosis is easier to obtain for workers who directly tunnel the working face, so that ventilation devices are needed to improve the mining working environment.

The Chinese patent with publication number CN214741434U discloses a coal mine ventilation device, which comprises a supporting mechanism, a ventilation pipe, an air inlet mechanism and a filtering mechanism; the support mechanism comprises a base, a collecting box is arranged on one side of the base, the top of the collecting box is connected with the ventilation pipe, the bottom of the collecting box is connected with the base, the air inlet mechanism is arranged on one side in the ventilation pipe, a through hole is formed in the bottom of the ventilation pipe, the through hole is positioned above the collecting box, and an air outlet pipe is arranged on the other side of the ventilation pipe; the filter mechanism comprises a scraping assembly, a dust fall assembly and a filter assembly, wherein the scraping assembly comprises a b motor, a threaded shaft, a cleaning plate and a filter screen, the b motor is arranged at the outer top of the ventilation pipe, the threaded shaft is arranged in the ventilation pipe, one end of the threaded shaft penetrates through the pipe wall of the ventilation pipe and is connected with the output end of the b motor, the other end of the threaded shaft penetrates through the cleaning plate, the filter screen is connected with the inner wall of the ventilation pipe, bristles are arranged on one side of the cleaning plate and are matched with the filter screen, the dust fall assembly is arranged at the top of the ventilation pipe, the filter assembly comprises a fixing plate and a filter box, the fixing plate is connected with the inner wall of the ventilation pipe, the filter box is arranged in the ventilation pipe and is connected with the fixing plate, and a ventilation hole is formed in the filter box, and an activated carbon adsorption layer is arranged in the filter box.

According to the technical scheme, the air inlet mechanism and the filtering mechanism are matched for use, and particularly the filtering mechanism is in combined linkage with the scraping assembly, the dust fall assembly and the filtering assembly, so that air circulation inside a mine can be accelerated, ventilation efficiency is improved, air in the mine is filtered and purified and then discharged, quality of discharged air can be improved, environmental pollution is reduced, the environment is effectively protected, meanwhile, influence of dust on the health of workers in the mine can be reduced, and the quality of working environment is remarkably improved.

Disclosure of Invention

In order to make up for the defects, the utility model provides a ventilation and dust fall mechanism for coal mining.

The utility model is realized in the following way:

the utility model provides a colliery exploitation ventilation dust fall mechanism, includes the bottom plate, the stand is all installed on the top four corners of bottom plate, the ventilation pipe is installed on the top of stand, the one end of ventilation pipe is connected with the kuppe, the opening has been seted up to the inboard bottom that the ventilation pipe is close to the kuppe, collection mechanism is installed to the open-ended inboard, the filter screen is installed near the opening part in the inboard of ventilation pipe, one side of filter screen is equipped with clean mechanism, the active carbon rose box is installed to one side of ventilation pipe, exhaust mechanism is installed to the inboard other end of ventilation pipe, dust fall mechanism is installed on the top of bottom plate.

Further, the collection mechanism includes the collecting box, one side of collecting box inlays and is equipped with the collecting box, the top of collecting box is equipped with the baffle, inside one side of baffle rotates and is connected with the pivot, the inboard fixed connection of both ends and the collecting box of pivot, the junction of baffle and pivot is equipped with the torsional spring, the one end and the outside of pivot of torsional spring are connected, the other end and the internal connection of baffle of torsional spring.

Further, limiting blocks are arranged on two sides of the top end of the baffle plate, and one side of each limiting block is connected with the top end of the inner side of the collecting box.

The beneficial effect of adopting above-mentioned further scheme is, all is equipped with the stopper through the top both sides of baffle, realizes that the baffle is spacing, avoids the baffle to turn over excessively.

Further, the cleaning mechanism comprises a cleaning rod, a threaded rod is arranged in the cleaning rod, the top end of the threaded rod is rotationally connected with the top end of the inner side of the ventilation pipe, a first motor is arranged at the top end of the ventilation pipe, the output end of the first motor is connected with the top end of the threaded rod, one side of the cleaning rod is connected with a hairbrush, and one side of the hairbrush is contacted with one side of the filter screen.

The cleaning rod has the beneficial effects that the threaded rod is arranged in the cleaning rod, so that the cleaning rod can be driven to lift by rotating the threaded rod, and the brush can brush the surface of the filter screen.

Further, both sides of the cleaning rod are all connected with the gag lever post in a sliding way, one side of the gag lever post and the inner side of the ventilation pipe are fixedly connected, the bottom of the threaded rod is rotationally connected with a retainer, one end of the retainer is fixedly connected with one side of the gag lever post, the push rod is installed on the other side of the cleaning rod, and the bottom of the push rod is contacted with the top end of the baffle.

The cleaning rod has the beneficial effects that the pushing rod is arranged on the other side of the cleaning rod, so that the baffle is pushed away when the cleaning rod descends.

Further, the dust fall mechanism comprises a water storage tank, one side of the water storage tank is connected with a water inlet valve, a water pump is installed at the top end of the bottom plate, a transverse pipe is installed at one side of the air guide sleeve, and a plurality of spray heads are installed at the bottom end of the transverse pipe.

The water pump is installed at the top end of the bottom plate, so that water is sprayed from the spray head, and water mist dust fall is realized.

Further, one side bottom of storage water tank is connected with first connecting pipe, the one end of first connecting pipe is connected with the input of water pump, the output of water pump is connected with the second connecting pipe, the one end of second connecting pipe is connected with the top of violently managing.

Further, the exhaust mechanism comprises a case, the inboard top of case rotates and is connected with first transfer line, the inside one side of case rotates and is connected with the second transfer line, the one end of second transfer line is connected with the flabellum, the second motor is installed on the top of ventilation pipe, the output of second motor and the top fixed connection of first transfer line, the bottom of first transfer line and the other end of second transfer line all suit are equipped with the awl tooth, first transfer line and second transfer line pass through the awl tooth transmission and are connected.

Further, a control panel is arranged on one side of the ventilation pipe.

Furthermore, universal wheels are installed at four corners of the bottom end of the bottom plate, and one side of each universal wheel is connected with a brake foot plate.

The beneficial effects of the utility model are as follows: the ventilation and dust falling mechanism for coal mining, which is obtained through the design, is characterized in that the filter screen is arranged at the position close to the opening through the inner side of the ventilation pipe, large-particle dust filtration is realized, the activated carbon filter box is arranged at one side of the ventilation pipe, peculiar smell absorption is realized, the collection box is embedded at one side of the collection box, dust and impurity collection is realized, the baffle is arranged at the top end of the collection box, the collection box is sealed, the rotating shaft is rotatably connected to one side of the inside of the baffle, the baffle can be turned down and opened, the torsion spring is arranged at the joint of the baffle and the rotating shaft, reset after the baffle is turned down is realized, the limit blocks are arranged at the two sides of the top end of the baffle, the baffle is prevented from turning up and over, the threaded rod is arranged in the cleaning rod, the cleaning rod is driven to lift by rotating through the threaded rod, so that the brush brushes brush the surface of the filter screen, the push rod is arranged on the other side of the cleaning rod, the baffle is pushed open when the cleaning rod descends, the output end of the first motor is connected with the top end of the threaded rod, the threaded rod is electrically rotated, the water pump is arranged on the top end of the bottom plate, the spray head sprays water, so that water mist dust fall is realized, the second motor is arranged on the top end of the ventilation pipe, the first transmission rod is electrically rotated, the second transmission rod drives the fan blades to rotate, air fluidity is improved, the control panel is arranged on one side of the ventilation pipe, equipment controllability is realized, product use convenience is improved, universal wheels are arranged at four corners of the bottom end of the bottom plate, and product movement is facilitated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a perspective structure of a ventilation and dust fall mechanism for coal mining, which is provided by the utility model;

fig. 2 is a schematic diagram 2 of a perspective structure of a ventilation and dust fall mechanism for coal mining;

FIG. 3 is a schematic diagram of a perspective structure of a ventilation and dust fall mechanism for coal mining, which is provided by the utility model;

FIG. 4 is a cross-sectional view of a collection box of the ventilation and dust fall mechanism for coal mining;

fig. 5 is a cross-sectional view of a chassis of a ventilation and dust-settling mechanism for coal mining.

In the figure: 100. a bottom plate; 101. a filter screen; 102. a ventilation pipe; 103. a column; 104. a guide cover; 105. a collection mechanism; 10501. a collection box; 10502. a collection box; 10503. a rotating shaft; 10504. a baffle; 10505. a torsion spring; 10506. a limiting block; 10507. a push rod; 106. an active carbon filter box; 107. a cleaning mechanism; 10701. a cleaning lever; 10702. a threaded rod; 10703. a retainer; 10704. a brush; 10705. a first motor; 108. an air exhausting mechanism; 10801. a chassis; 10802. a first transmission rod; 10803. a second transmission rod; 10804. bevel gear; 10805. a fan blade; 10806. a second motor; 109. a dust fall mechanism; 10901. a water storage tank; 10902. a water pump; 10903. a transverse tube; 10904. a spray head; 10905. a water inlet valve; 110. and a universal wheel.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

The embodiment one of the utility model relates to a ventilation and dust fall mechanism for coal mining

The utility model provides the following technical scheme: as shown in fig. 1 to 5, a ventilation and dust fall mechanism for coal mining comprises a bottom plate 100, upright posts 103 are respectively arranged at four corners of the top end of the bottom plate 100, a ventilation pipe 102 is arranged at the top end of each upright post 103, one end of each ventilation pipe 102 is connected with a guide cover 104, an opening is formed in the bottom end of the inner side of each ventilation pipe 102, a collecting mechanism 105 is arranged on the inner side of each opening, a filter screen 101 is arranged on the inner side of each ventilation pipe 102 and close to the opening, a cleaning mechanism 107 is arranged on one side of each filter screen 101, an activated carbon filter box 106 is arranged on one side of each ventilation pipe 102, an air draft mechanism 108 is arranged on the other end of the inner side of each ventilation pipe 102, a dust fall mechanism 109 is arranged at the top end of each bottom plate 100, a filter screen 101 is arranged on the inner side of each ventilation pipe 102 and close to the opening, large-particle dust filtration is realized, and an activated carbon filter box 106 is arranged on one side of each ventilation pipe 102 to realize odor adsorption.

The utility model relates to an embodiment II of a ventilation and dust fall mechanism for coal mining

Referring to fig. 1 to 5, the collecting mechanism 105 includes a collecting box 10501, a collecting box 10502 is embedded at one side of the collecting box 10501, a baffle 10504 is provided at the top end of the collecting box 10501, a rotating shaft 10503 is rotatably connected at one side of the inside of the baffle 10504, two ends of the rotating shaft 10503 are fixedly connected with the inner side of the collecting box 10501, a torsion spring 10505 is provided at the connection part of the baffle 10504 and the rotating shaft 10503, one end of the torsion spring 10505 is connected with the outer side of the rotating shaft 10503, the other end of the torsion spring 10505 is connected with the inside of the baffle 10504, stoppers 10506 are provided at both sides of the top end of the baffle 10504, one side of the stoppers 10506 is connected with the inner side top end of the collecting box 10501, the cleaning mechanism 107 includes a cleaning rod 10701, a threaded rod 10702 is rotatably connected with the inside of the cleaning rod 10701, the top end of the threaded rod 10702 is rotatably connected with the inner side top end of the ventilating pipe 102, a first motor 10705 is mounted at the top end of the ventilating pipe 10705, one side of the cleaning rod 10701 is connected with a brush 10704, one side of the brush 10704 is contacted with one side of the filter screen 101, two sides of the cleaning rod 10701 are both connected with a limiting rod in a sliding manner, one side of the limiting rod is fixedly connected with the inner side of the ventilation pipe 102, the bottom end of the threaded rod 10702 is rotationally connected with a retainer 10703, one end of the retainer 10703 is fixedly connected with one side of the limiting rod, the other side of the cleaning rod 10701 is provided with a push rod 10507, the bottom end of the push rod 10507 is contacted with the top end of a baffle 10504, a collecting box 10502 is embedded on one side of the collecting box 10501 to collect dust and impurities, the baffle 10504 is arranged on the top end of the collecting box 10501 to seal the collecting box 10501, a rotating shaft 10503 is rotationally connected on one side of the inner part of the baffle 10504 to enable the baffle 10504 to be turned down and opened, a torsion spring 10505 is arranged at the joint of the baffle 10504 and the rotating shaft 10503 to enable reset after the baffle 10504 is turned down, the two sides of the top end of the baffle 10504 are both provided with a limiting block 10506, realize that baffle 10504 is spacing, avoid baffle 10504 to turn up excessively, have threaded rod 10702 through cleaning rod 10701's internally mounted, realize that threaded rod 10702 is rotatory can drive cleaning rod 10701 and go up and down to make brush 10704 brush the filter screen 101 surface, install push rod 10507 through cleaning rod 10701's opposite side, push away baffle 10504 when realizing cleaning rod 10701 decline, be connected through the output of first motor 10705 and the top of threaded rod 10702, realize that threaded rod 10702 is electronic rotatory.

The utility model relates to an embodiment III of a ventilation and dust fall mechanism for coal mining

Referring to fig. 1 to 5, the dust settling mechanism 109 includes a water tank 10901, a water inlet valve 10905 is connected to one side of the water tank 10901, a water pump 10902 is mounted at the top end of the base plate 100, a horizontal pipe 10903 is mounted to one side of the air guide cover 104, a plurality of spray heads 10904 are mounted at the bottom ends of the horizontal pipe 10903, a first connecting pipe is connected to one side bottom end of the water tank 10901, one end of the first connecting pipe is connected to an input end of the water pump 10902, an output end of the water pump 10902 is connected to a second connecting pipe, one end of the second connecting pipe is connected to the top end of the horizontal pipe 10903, the air suction mechanism 108 includes a casing 10801, a first transmission rod 10802 is rotatably connected to an inner side top end of the casing 10801, a second transmission rod 10803 is rotatably connected to one end of the second transmission rod 10803, a second motor 10806 is mounted at a top end of the horizontal pipe 102, an output end of the second motor 10806 is fixedly connected to a top end of the first transmission rod 10802, the bottom of first transfer line 10802 and the other end of second transfer line 10803 all overlap and are equipped with awl tooth 10804, first transfer line 10802 and second transfer line 10803 pass through awl tooth 10804 transmission and are connected, control panel is installed to one side of ventilation pipe 102, universal wheel 110 is all installed in bottom four corners of bottom plate 100, one side of universal wheel 110 is connected with brake sole, install water pump 10902 through the top of bottom plate 100, realize shower nozzle 10904 water spray, thereby realize water smoke dust fall, install second motor 10806 through the top of ventilation pipe 102, realize the electronic rotation of first transfer line 10802, thereby realize that second transfer line 10803 drives flabellum 10805 and rotate, improve the air flowability, one side through ventilation pipe 102 is installed control panel, realize that equipment is controllable, increase the product and use convenience, all install universal wheel 110 through the bottom four corners of bottom plate 100, the convenience product removes.

Specifically, the working principle of the ventilation and dust fall mechanism for coal mining is as follows: when in use, the product is moved to a designated position, the filter screen 101 is arranged at the position close to the opening through the inner side of the ventilation pipe 102, the filtration of large-particle dust is realized, the adsorption of peculiar smell is realized through the activated carbon filtration box 106 arranged at one side of the ventilation pipe 102, the collection box 10502 is embedded at one side of the collection box 10501, the collection of dust and impurities is realized, the baffle 10504 is arranged at the top end of the collection box 10501, the collection box 10501 is closed, the rotating shaft 10503 is rotatably connected at one side of the inside of the baffle 10504, the baffle 10504 can be turned down and opened, the torsion spring 10505 is arranged at the joint of the baffle 10504 and the rotating shaft 10503, the reset of the baffle 10504 after the downward turning is realized, the limit blocks 10506 are arranged at two sides of the top end of the baffle 10504, the limit blocks 10504 are realized, the baffle 10504 is prevented from turning up excessively, the threaded rod 10702 is arranged through the internal installation of the cleaning rod 10702, the threaded rod 10702 is rotated, and the cleaning rod 10701 can be driven to be lifted, so that the brush 10704 brushes the surface of the filter screen 101, the push rod 10507 is arranged on the other side of the cleaning rod 10701, the baffle 10504 is pushed open when the cleaning rod 10701 descends, the output end of the first motor 10705 is connected with the top end of the threaded rod 10702, the threaded rod 10702 rotates electrically, the water pump 10902 is arranged on the top end of the bottom plate 100, the spray head 10904 sprays water, water mist dust fall is realized, the second motor 10806 is arranged on the top end of the ventilation pipe 102, the first transmission rod 10802 rotates electrically, the second transmission rod 10803 drives the fan blades 10805 to rotate, the air fluidity is improved, the control panel is arranged on one side of the ventilation pipe 102, the equipment is controllable, the product using convenience is improved, the universal wheels 110 are arranged at four corners of the bottom end of the bottom plate 100, the product is convenient to move, the utility model can effectively avoid the adhesion of large-particle dust on the active carbon filter box, the passing efficiency of the active carbon filter box is improved, has higher practical value.

It should be noted that, specific model specifications of the first motor 10705, the water pump 10902 and the second motor 10806 need to be determined by selecting a model according to an actual specification of the device, and a specific model selection calculation method adopts the prior art in the art, so that detailed descriptions thereof are omitted.

The power supply of the first motor 10705, the water pump 10902, and the second motor 10806, and the principle thereof, will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a colliery exploitation ventilation dust fall mechanism, its characterized in that, includes bottom plate (100), stand (103) are all installed on the top four corners of bottom plate (100), ventilation pipe (102) are installed on the top of stand (103), the one end of ventilation pipe (102) is connected with kuppe (104), opening has been seted up at the inboard bottom that is close to kuppe (104) in ventilation pipe (102), collection mechanism (105) are installed to the open-ended inboard, filter screen (101) are installed in the inboard that is close to the opening part of ventilation pipe (102), one side of filter screen (101) is equipped with clean mechanism (107), active carbon rose box (106) are installed to one side of ventilation pipe (102), exhaust mechanism (108) are installed to the inboard other end of ventilation pipe (102), dust fall mechanism (109) are installed on the top of bottom plate (100).

2. The ventilation and dust fall mechanism for coal mining according to claim 1, wherein the collecting mechanism (105) comprises a collecting box (10501), a collecting box (10502) is embedded on one side of the collecting box (10501), a baffle (10504) is arranged at the top end of the collecting box (10501), a rotating shaft (10503) is rotatably connected to one side of the inside of the baffle (10504), two ends of the rotating shaft (10503) are fixedly connected with the inner side of the collecting box (10501), a torsion spring (10505) is arranged at the joint of the baffle (10504) and the rotating shaft (10503), one end of the torsion spring (10505) is connected with the outer side of the rotating shaft (10503), and the other end of the torsion spring (10505) is connected with the inner side of the baffle (10504).

3. The ventilation and dust fall mechanism for coal mining according to claim 2, wherein limiting blocks (10506) are arranged on two sides of the top end of the baffle plate (10504), and one side of each limiting block (10506) is connected with the top end of the inner side of the collecting box (10501).

4. The ventilation and dust fall mechanism for coal mining according to claim 1, wherein the cleaning mechanism (107) comprises a cleaning rod (10701), a threaded rod (10702) is mounted in the cleaning rod (10701), the top end of the threaded rod (10702) is rotationally connected with the inner top end of the ventilation pipe (102), a first motor (10705) is mounted at the top end of the ventilation pipe (102), the output end of the first motor (10705) is connected with the top end of the threaded rod (10702), a brush (10704) is connected to one side of the cleaning rod (10701), and one side of the brush (10704) is contacted with one side of the filter screen (101).

5. The ventilation and dust fall mechanism for coal mining according to claim 4, wherein two sides of the cleaning rod (10701) are slidably connected with a limit rod, one side of the limit rod is fixedly connected with the inner side of the ventilation pipe (102), the bottom end of the threaded rod (10702) is rotatably connected with a retainer (10703), one end of the retainer (10703) is fixedly connected with one side of the limit rod, a push rod (10507) is mounted on the other side of the cleaning rod (10701), and the bottom end of the push rod (10507) is contacted with the top end of the baffle (10504).

6. The ventilation and dust fall mechanism for coal mining according to claim 1, wherein the dust fall mechanism (109) comprises a water storage tank (10901), one side of the water storage tank (10901) is connected with a water inlet valve (10905), a water pump (10902) is installed at the top end of the bottom plate (100), a transverse pipe (10903) is installed at one side of the air guide sleeve (104), and a plurality of spray heads (10904) are installed at the bottom end of the transverse pipe (10903).

7. The ventilation and dust fall mechanism for coal mining according to claim 6, wherein a first connecting pipe is connected to one side bottom end of the water storage tank (10901), one end of the first connecting pipe is connected to an input end of the water pump (10902), an output end of the water pump (10902) is connected to a second connecting pipe, and one end of the second connecting pipe is connected to a top end of the transverse pipe (10903).

8. The ventilation and dust fall mechanism for coal mining according to claim 1, wherein the air draft mechanism (108) comprises a chassis (10801), a first transmission rod (10802) is rotatably connected to the inner top end of the chassis (10801), a second transmission rod (10803) is rotatably connected to one side of the interior of the chassis (10801), one end of the second transmission rod (10803) is connected with a fan blade (10805), a second motor (10806) is mounted on the top end of the ventilation pipe (102), the output end of the second motor (10806) is fixedly connected with the top end of the first transmission rod (10802), a bevel gear (10804) is sleeved on the bottom end of the first transmission rod (10802) and the other end of the second transmission rod (10803), and the first transmission rod (10802) and the second transmission rod (10803) are in transmission connection through the bevel gear (10804).

9. A ventilation and dust settling mechanism for coal mining according to claim 1, characterized in that a control panel is mounted on one side of the ventilation pipe (102).

10. The ventilation and dust fall mechanism for coal mining according to claim 1, wherein universal wheels (110) are installed at four corners of the bottom end of the base plate (100), and one side of each universal wheel (110) is connected with a brake foot plate.