CN216008566U

CN216008566U - Four-mine ventilation system

Info

Publication number: CN216008566U
Application number: CN202121653692.1U
Authority: CN
Inventors: 孙永利; 杨玉武; 江松
Original assignee: Liaoning Wulong Gold Mining Co ltd
Current assignee: Liaoning Wulong Gold Mining Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-03-11
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a four-mine ventilation system which comprises a first ventilation pipe, a second ventilation pipe and a second rotating shaft, wherein the upper end and the lower end of the inner wall of the first ventilation pipe are both provided with holes and are embedded with bearings, the inner walls of the two bearings are respectively fixedly connected with the two ends of the outer wall of the second rotating shaft, a second fan blade is fixedly arranged on the second rotating shaft in the first ventilation pipe, the middle of the front surface of the first ventilation pipe is provided with a hole and is communicated with the rear end of the second ventilation pipe, the front end in the second ventilation pipe is movably provided with a first rotating shaft, the first fan blade is fixedly arranged on the first rotating shaft, and the rear end in the second ventilation pipe is fixedly provided with a one-way valve. The utility model solves the problems that once a connecting port between the vertical shaft and the main roadway at the bottom is blocked by slag, normal ventilation in the vertical shaft is influenced, and gun smoke residue poisoning accidents of operating personnel in the connecting channel occur.

Description

Four-mine ventilation system

Technical Field

The utility model relates to the technical field of mine ventilation, in particular to a four-mine ventilation system.

Background

The ventilation system in the mine underground is characterized in that air is fed into the main tunnel and is discharged outwards by a high-horsepower draught fan at the outlet of the top exhaust tunnel through a vertical shaft, so that the vertical shaft and a construction connecting channel at the upper, middle and lower sections keep air circulation, and the safe operation of operators in the connecting channel can be guaranteed. And after blasting operation is carried out on the tunnel face of the communication passage, slag is poured into the shaft, and the slag at the bottom of the shaft is loaded and transported in a mine car after secondary loading. Wherein, before the slay was not loaded, the through-going department of shaft and bottom main laneway was easily by the slay shutoff, can't ventilate in the shaft, and the operation personnel in the contact road forbid the construction. The slag at the bottom must be timely shipped after the blasting operation of the connecting channel every time, so that ventilation is guaranteed, and the connecting channel engineering can be constructed.

At present, the ventilation system that has now still needs optimization upgrading, moreover, still has the potential safety hazard, in case the connector of shaft and bottom main tunnel is by slay shutoff, will influence the normal ventilation in the shaft, takes place the interior operation personnel's of contact channel big gun cigarette and remains the poisoning accident, consequently urgently needs a quartering ore deposit ventilation system to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a four-mine-dividing ventilation system which has the advantages of improving the operation conditions of the middle section in the deep part of a mine, improving the production efficiency and ensuring the safe production capacity of the mine, and solves the problems that once a connecting port between a vertical shaft and a main roadway at the bottom is blocked by slag, the normal ventilation in the vertical shaft is influenced, and the toxic accident caused by the residual blast smoke of operators in a communication channel occurs.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a quartering ore deposit ventilation system, includes first ventilation pipe, second ventilation pipe and second pivot, the bearing is installed in the equal trompil in both ends and embedding about the first ventilation pipe inner wall, two bearing inner walls respectively with second pivot outer wall both ends fixed connection, fixed mounting has the second flabellum in the second pivot in the first ventilation pipe, trompil and the installation of second ventilation pipe rear end intercommunication in the middle of the first ventilation pipe is positive, the inside front end movable mounting of second ventilation pipe has first pivot, fixed mounting has first flabellum in the first pivot, the inside rear end fixed mounting of second ventilation pipe has the check valve.

Preferably, the two sides of the first ventilation pipe are respectively sleeved with a fixing frame, the two fixing frames are respectively connected in a closed mode through fastening bolts, and the front end and the rear end of the upper surface of each fixing frame are respectively and fixedly provided with a mounting rod.

Preferably, the top end of the second rotating shaft penetrates through the bearing, the top end of the second rotating shaft is provided with a servo motor, and the outer side of the lower surface of the servo motor is provided with connecting rods in an annular array mode and is fixedly connected with the outer wall of the upper surface of the first ventilating pipe through the connecting rods.

Preferably, the number of the second fan blades is two, and one side of each of the two second fan blades, which is far away from the second rotating shaft, is not in contact with the inner wall of the first ventilating pipe.

Preferably, first flabellum quantity is two, and two first flabellum outsides are equal fixed mounting have the rubber sealing ring, and two first flabellums are all through the rubber sealing ring with the contact of second ventilation pipe inner wall but not fixed connection.

Preferably, two limiting blocks are fixedly mounted at the front end of the inner wall of the second ventilation pipe.

Preferably, the bottom end of the first rotating shaft penetrates through the bottom end of the outer wall of the second ventilation pipe and is fixedly provided with a crank.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model sets a second rotating shaft and a second fan blade on the second rotating shaft, at the same time, a servo motor is set on the top end of the second rotating shaft, the second fan blade on the second rotating shaft is driven by the servo motor to rotate in a first vent pipe, so as to split the air flow in the first vent pipe, thereby enhancing the air flow in the second vent pipe, a one-way valve is set in the second vent pipe, so that the air flow can only be conveyed from the first vent pipe to the second vent pipe, the second vent pipe can not convey the turbid and harmful gas to the first vent pipe, at the same time, a first rotating shaft is set in the second vent pipe, and a first fan blade is set on the first rotating shaft, the bottom end of the first rotating shaft is connected with a crank, the direction and the opening and closing angle of the first fan blade can be adjusted by the crank, thereby achieving the purposes of improving the middle section operation condition in the deep part of the mine and improving the production efficiency, the effect of ensuring the safe production capacity of the mine.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic front sectional view of the present invention;

FIG. 4 is a schematic side sectional view of the second ventilation duct of the present invention.

In the figure: 1. a first vent pipe; 2. a fixed mount; 3. mounting a rod; 4. a servo motor; 5. fastening a bolt; 6. a second vent pipe; 7. a first fan blade; 8. a crank; 9. a limiting block; 10. a first rotating shaft; 11. a second rotating shaft; 12. a second fan blade; 13. a bearing; 14. a one-way valve.

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 should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, an embodiment of the present invention includes: the utility model provides a quartering ore deposit ventilation system, includes first ventilation pipe 1, second ventilation pipe 6 and

second pivot

11, and 1 both sides of first ventilation pipe are equipped with mount 2 respectively, and two mounts 2 are respectively through 5 closed connections of fastening bolt, and two mount 2 upper surface front and back both ends are fixed mounting respectively has installation pole 3.

Bearing 13 is installed in equal trompil in both ends and embedding about 1 inner wall of first ventilation pipe, two bearing 13 inner walls respectively with 11 outer wall both ends fixed connection of second pivot, bearing 13 is passed on 11 tops of second pivot, 11 tops of second pivot are equipped with servo motor 4, the servo motor 4 lower surface outside is annular array fixed mounting and has the connecting rod and pass through connecting rod and 1 upper surface outer wall fixed connection of first ventilation pipe. Second flabellum 12 is fixed mounting on the second pivot 11 in the first ventilation pipe 1, and second flabellum 12 quantity is two, and one side that second pivot 11 was kept away from to two second flabellums 12 all does not contact with first ventilation pipe 1 inner wall. The middle of the front surface of the first ventilation pipe 1 is provided with a hole and is communicated with the rear end of the second ventilation pipe 6, the front end inside the second ventilation pipe 6 is movably provided with a first rotating shaft 10, and the bottom end of the first rotating shaft 10 penetrates through the bottom end of the outer wall of the second ventilation pipe 6 and is fixedly provided with a crank 8. First flabellum 7 is fixed mounting to first pivot 10, and first flabellum 7 quantity is two, and two equal fixed mounting in first flabellum 7 outsides have a sealing rubber ring, and two first flabellums 7 are all through sealing rubber ring and 6 inner wall contact of second ventilation pipe but not fixed connection. A one-way valve 14 is fixedly arranged at the rear end inside the second ventilation pipe 6. Two limiting blocks 9 are fixedly arranged at the front end of the inner wall of the second ventilation pipe 6. The utility model arranges the second rotating shaft 11, installs the second fan blade 12 on the second rotating shaft 11, at the same time, arranges the servo motor 4 on the top of the second rotating shaft 11, drives the second fan blade 12 on the second rotating shaft 11 to rotate in the first ventilating pipe 1 through the work of the servo motor 4, and further divides the air flow in the first ventilating pipe 1, so as to enhance the air flow in the second ventilating pipe 6, and installs the one-way valve 14 in the second ventilating pipe 6, so that the air flow can only be conveyed from the first ventilating pipe 1 to the second ventilating pipe 6, the second ventilating pipe 6 can not convey the turbid and harmful gas to the first ventilating pipe 1, at the same time, installs the first rotating shaft 10 in the second ventilating pipe 6, installs the first fan blade 7 on the first rotating shaft 10, the bottom end of the first rotating shaft 10 is connected with the crank 8, and can adjust the direction and the opening and closing angle of the first fan blade 7 through the crank 8, the effects of improving the operation conditions of the middle section in the deep part of the mine, improving the production efficiency and ensuring the safe production capacity of the mine are achieved.

The working principle is as follows: when the novel ventilating duct is used, fresh air flows in the first ventilating duct 1 under the action of the draught fan, and when the fresh air passes through the joint of the second ventilating duct 6 and the first ventilating duct 1, under the condition that the servo motor 4 works, the fresh air is acted by the second fan blades 12 to flow at an accelerated speed and passes through the one-way valve 14 to enter the second ventilating duct 6, at the moment, the position of the first fan blades 7 is adjusted by rotating the crank 8, then the air outlet of the second ventilating duct 6 is opened, in the process of rotating the crank 8, the opening and closing angle of the first fan blades 7 is limited under the action of the limiting block 9, and then the flowing direction of the fresh air is limited.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a quartering ore deposit ventilation system, includes first ventilation pipe (1), second ventilation pipe (6) and second pivot (11), its characterized in that: bearing (13) are installed in the equal trompil in both ends and embedding about first ventilation pipe (1) inner wall, two bearing (13) inner walls respectively with second pivot (11) outer wall both ends fixed connection, fixed mounting has second flabellum (12) on second pivot (11) in first ventilation pipe (1), trompil and with second ventilation pipe (6) rear end intercommunication installation in the middle of first ventilation pipe (1) is positive, the inside front end movable mounting of second ventilation pipe (6) has first pivot (10), fixed mounting has first flabellum (7) on first pivot (10), the inside rear end fixed mounting of second ventilation pipe (6) has check valve (14).

2. A quartering mine ventilation system according to claim 1, wherein: the two sides of the first ventilation pipe (1) are respectively sleeved with a fixing frame (2), the two fixing frames (2) are respectively connected in a closed mode through fastening bolts (5), and the front end and the rear end of the upper surface of each fixing frame (2) are respectively and fixedly provided with an installation rod (3).

3. A quartering mine ventilation system according to claim 1, wherein: bearing (13) are passed on second pivot (11) top, and second pivot (11) top is equipped with servo motor (4), and servo motor (4) lower surface outside is annular array fixed mounting has the connecting rod and passes through connecting rod and first ventilation pipe (1) upper surface outer wall fixed connection.

4. A quartering mine ventilation system according to claim 1, wherein: the number of the second fan blades (12) is two, and one side, away from the second rotating shaft (11), of each of the two second fan blades (12) is not in contact with the inner wall of the first ventilation pipe (1).

5. A quartering mine ventilation system according to claim 1, wherein: first flabellum (7) quantity is two, and two equal fixed mounting in first flabellum (7) outside have a rubber gasket, and two first flabellums (7) are all through rubber gasket and second ventilation pipe (6) inner wall contact but not fixed connection.

6. A quartering mine ventilation system according to claim 1, wherein: and two limiting blocks (9) are fixedly mounted at the front end of the inner wall of the second ventilation pipe (6).

7. A quartering mine ventilation system according to claim 1, wherein: the bottom end of the first rotating shaft (10) penetrates through the bottom end of the outer wall of the second ventilating pipe (6) and is fixedly provided with a crank (8).