CN219034796U

CN219034796U - Main ventilator air duct opening and closing air door

Info

Publication number: CN219034796U
Application number: CN202223607244.5U
Authority: CN
Inventors: 尹新晓; 陈炎; 袁守祥; 李阳; 贾利芳; 李鹏亮
Original assignee: Sixth Coal Mine Of Hebi Coal & Electricity Co ltd
Current assignee: Sixth Coal Mine Of Hebi Coal & Electricity Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-05-16
Anticipated expiration: 2032-12-31

Abstract

The utility model relates to the technical field of mine ventilation and discloses a main ventilator air duct opening and closing air door, which comprises an outer frame, wherein the outer frame extends to the ground from an underground mine, a lifting machine is arranged on the outer frame, guide rails are arranged on two sides of the outer frame, the guide rails are vertically and generally arranged along the inner side of the outer frame, the guide rails comprise a front rail and a rear rail, the front rail is arranged on the front side of the rear rail, a vertical opening and closing air door is arranged on the inner side of the outer frame, and the vertical opening and closing air door comprises a first air door and a second air door. This air duct of main ventilator opens and close air door, when opening and close the air door perpendicularly overhauls, only need to open and close the air door perpendicularly and promote above ground, the relative air door that sets up below ground, whole process operation is simple and convenient relatively swiftly, and maintenance efficiency is higher, especially in some well that closely relate to with production, does not need the mine to stop production when overhauling, has avoided causing the problem of shutdown to stop production because of overhauling, has promoted the productivity effect of mine to a certain extent, has reduced the maintenance cost.

Description

Main ventilator air duct opening and closing air door

Technical Field

The utility model relates to the technical field of mine ventilation, in particular to an air door for opening and closing an air channel of a main ventilator.

Background

In order to perform effective air distribution and pressure balance in the existing mine ventilation system, an air door is generally arranged between an air inlet roadway and an air return roadway, the air door of a coal mine has an important effect on coal mine safety production, the air door of the coal mine has the effect of ensuring the coal mine safety production, the ventilation system is stable and reduces invalid air leakage, in the field of the coal mine production, the ventilation system is an important guarantee for the coal mine safety production, the air door is one of important ventilation facilities in the ventilation system and ensures the important function of safety production, in the actual production process, the existing air door is generally arranged below the ground, when faults occur in the operation process, the air door must go deep into the ground to perform maintenance, the operation is relatively troublesome, even the coal mine is required to be stopped during the maintenance, the normal production is delayed, the mine benefit is influenced, and the maintenance cost is relatively high.

Disclosure of Invention

Aiming at the defects and problems of the existing mine ventilation air door, the utility model provides the main ventilation air door opening and closing air door, which has a unique structure, can be vertically opened and closed, can be lifted to above the ground during maintenance, can be maintained without deep under the ground by maintenance staff, and can be maintained in some well closely related to production without stopping production of the mine during maintenance, thereby avoiding the problem of stopping production caused by maintenance, improving the production benefit of the mine to a certain extent and reducing the maintenance cost.

The utility model solves the technical problems by adopting the scheme that: the utility model provides a main ventilation blower wind channel opens and close air door, includes the frame, the frame extends to subaerial by underground mine, be provided with the lifting machine on the frame, the both sides of frame are provided with the guide rail, the guide rail is along the vertical logical long setting of frame inboard, the guide rail includes front rail and back rail, the front rail sets up the front side at the back rail, the frame inboard is provided with the vertical open and close air door, the vertical open and close air door includes first air door and second air door, first air door and front rail matching installation, the second air door matches the installation with the back rail, when opening and close the air door perpendicularly, first air door sets up the top at the second air door, first air door and second air door paste and touch and form a complete door body, the frame top is provided with the assembly pulley, the quantity of lifting machine and assembly pulley is two the upper end of assembly pulley respectively with two lifting machine transmission connection, two the lower extreme of assembly pulley all is connected with the top of first air door and second air door, the assembly pulley drives the vertical open and close air door and close and open and close vertical air door.

Preferably, a first sealing block is fixedly arranged on the right side of the lower end of the first air door, the first sealing block is positioned between the first air door and the second air door and extruded by the first air door and the second air door, and a second sealing block is fixedly arranged at the lower end of the second air door.

Preferably, the front side and the rear side of the outer frame are respectively provided with four stabilizing support frames, the stabilizing support frames are obliquely arranged, one end of each stabilizing support frame is fixedly arranged in the middle of the upper side of the outer frame, and the other end of each stabilizing support frame is fixedly arranged in the middle of the upper side of the outer frame.

Preferably, both the lifters are fixedly installed on the ground.

Preferably, the first sealing block and the second sealing block are made of elastic materials.

Preferably, the front rail and the rear rail are closely attached.

The utility model has the beneficial effects that: the utility model provides a main ventilation blower wind channel opens and close air door, including the frame, the frame extends to subaerial from underground mine, be provided with the lifting machine on the frame, the both sides of frame are provided with the guide rail, the guide rail sets up along the vertical logical length in frame inboard, the guide rail includes front rail and back rail, the front rail sets up the front side at the back rail, and the front rail is hugged closely with the back rail and is set up, the frame inboard is provided with the vertical open and close air door, the sectional design of vertical open and close air door has reduced the ground height of the device, more convenient holistic maintenance, when the vertical open and close air door is closed, the first sealing block of extrusion of first air door and second air door, can fill up the gap department of first air door and second air door after the first sealing block warp, the second air door is because the second sealing block of gravity extrusion, the gap of second air door and frame lower extreme is filled up to the second sealing block at this moment, and then guaranteed the leakproofness of ventilation well, invalid leakage air is reduced, the number of the lifting machine and the pulley blocks is two, each pulley block consists of two movable pulleys and three movable pulleys, the lower ends of the movable pulleys are fixedly arranged at the top ends of the first air door and the second air door respectively, the fixed pulleys are fixedly arranged on the upper surface of the outer frame, the bottom ends of the first air door and the second air door can be lifted and stabilized to any height by the two pulley blocks in the range of the guide rail, when the lifting is highest, the bottom ends of the first air door and the second air door are positioned above the ground, as the heights of the first air door and the second air door can be adjusted at will, the size of a ventilation opening of a ventilation shaft can be adjusted as required, when the ventilation opening is adjusted, the lifting machine is started only on the ground, the ventilation volume can be adjusted flexibly according to actual needs, the ventilation volume adjusting mode does not need to be deep under the ground, the adjustment mode is flexible, the adjustment speed is relatively high, meanwhile, when the vertical opening and closing air door overhauls, the vertical opening and closing air door is only required to be lifted to the position above the ground, whether the ventilation quantity is regulated or the air door is arranged below the ground relatively in the overhauling process, the whole process is relatively simple, convenient and rapid to operate, the overhauling efficiency is higher, particularly in a well closely related to production, the mine is not required to stop production during overhauling, the problem of shutdown and production stopping caused by overhauling is avoided, the production benefit of the mine is improved to a certain extent, and the overhauling cost is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

fig. 3 is a schematic side sectional view of the present utility model.

In the figure: 1. an outer frame; 2. a hoist; 3. a guide rail; 31. a front rail; 32. a rear rail; 4. a vertical opening and closing air door (4); 41. a first damper; 42. a second damper; 43. a first sealing block; 44. a second sealing block; 5. pulley block; 6. and (5) stabilizing the supporting frame.

Detailed Description

For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

The following describes in detail the technical solutions provided by the embodiments of the present application with reference to the accompanying drawings.

Example 1: referring to fig. 1, fig. 2 and fig. 3, a main ventilator air duct opening and closing air door, including frame 1, frame 1 extends to subaerial by underground mine, be provided with lifting machine 2 on frame 1, the both sides of frame 1 are provided with guide rail 3, guide rail 3 is along the vertical overall length setting of frame 1 inboard, guide rail 3 includes front rail 31 and back rail 32, front rail 31 sets up the front side at back rail 32, front rail 31 hugs closely with back rail 32 and sets up, frame 1 inboard is provided with vertical opening and closing air door 4, vertical opening and closing air door 4 includes first air door 41 and second air door 42, first air door 41 and front rail 31 match the installation, second air door 42 and back rail 32 match the installation, when vertical opening and closing air door 4 is closed, first air door 41 sets up in the top of second air door 42, first air door 41 and second air door 42 paste and form a complete door body, first air door 41's lower extreme right side fixed mounting has first sealing block 43, first sealing block 43 is located the front side of first air door 41 and second air door 42 and receives the extrusion setting of first air door 41 and second air door 42, vertical opening and closing air door 4 is installed at two blocks 5 pulley block and two, the top 5 are installed at two and two vertical opening and closing air door 4, the vertical opening and closing air door 4 are installed at the top of the vertical pulley block 5, and two top 5, the vertical opening and closing air door 4 is connected with the vertical pulley block 4, and two top 5, and two top pulley blocks are installed, and 5 are more convenient, and two top opening and 3.

When the vertical opening and closing air door 4 is closed, the first air door 41 and the second air door 42 extrude the first sealing block 43, after the first sealing block 43 is deformed, the gap between the first air door 41 and the second air door 42 can be filled, the second air door 42 extrudes the second sealing block 44 due to gravity, at the moment, the second sealing block 44 fills the gap between the second air door 42 and the lower end of the outer frame 1, thereby ensuring the tightness of a ventilation shaft well and reducing ineffective air leakage, each pulley block 5 consists of two movable pulleys and three movable pulleys, the lower ends of the movable pulleys are fixedly arranged at the top ends of the first air door 41 and the second air door 42 respectively, the fixed pulleys are fixedly arranged on the upper surface of the outer frame 1, in the range of the guide rail 3, the bottom ends of the first air door 41 and the second air door 42 can be lifted and stabilized to any height, when the lifting air door is highest, the bottom ends of the first air door 41 and the second air door 42 are positioned above the ground, the heights of the first air door 41 and the second air door 42 can be adjusted at will, so that the ventilation opening of the ventilation shaft can be adjusted according to the needs, when the ventilation opening is adjusted, the elevator 2 is only required to be started on the ground, the ventilation amount can be flexibly adjusted according to the actual needs, the ventilation amount adjusting mode is not required to be deep under the ground, the adjustment mode is flexible, the adjustment speed is relatively high, meanwhile, when the vertical opening and closing air door 4 is overhauled, the vertical opening and closing air door 4 is only required to be lifted to be above the ground, no matter the ventilation amount is adjusted or the air door is arranged under the ground relatively in the overhauling process, the whole process is relatively simple, convenient and quick to operate, the overhauling efficiency is higher, particularly in some shafts closely related to production, the mine is not required to be stopped during overhauling, the problem of stopping production caused by overhauling is avoided, the production benefit of the mine is improved to a certain extent, the maintenance cost is reduced.

Both sides all are provided with stable support frame 6 around frame 1, and stable support frame 6's quantity has four, and stable support frame 6 is the slope form setting, and its one end fixed mounting is in frame 1 upside middle part, and other end fixed mounting is in frame 1 upside middle part, and stable support frame 6 forms triangle-shaped structure with the handing-over department of frame 1, has good stability, and stable support frame 6's setting can make the whole more firm of device.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims

1. The utility model provides a main ventilation blower wind channel opens and close air door, includes frame (1), its characterized in that, frame (1) is extended to subaerial by the underground mine, be provided with lifting machine (2) on frame (1), the both sides of frame (1) are provided with guide rail (3), guide rail (3) are along the vertical logical length setting of frame (1) inboard, guide rail (3) include front rail (31) and back rail (32), front rail (31) set up the front side at back rail (32), frame (1) inboard is provided with perpendicular open and close air door (4), perpendicular open and close air door (4) include first air door (41) and second air door (42), first air door (41) are installed with front rail (31) matching, second air door (42) are installed with back rail (32) matching, when perpendicular open and close air door (4) are closed, first air door (41) and second air door (42) touch the front side at back rail (32), perpendicular open and close air door (41) and second air door (42) are formed one, two pulley blocks (5) are connected with two pulley blocks (5) respectively, two pulley blocks (5) are installed on the frame (2), the lower ends of the two pulley blocks (5) are connected with the top ends of the first air door (41) and the second air door (42), and the pulley blocks (5) drive the vertical opening and closing air door (4) to move up and down so as to open and close the vertical opening and closing air door (4).

2. The main ventilator air duct opening and closing air door according to claim 1, wherein a first sealing block (43) is fixedly installed on the right side of the lower end of the first air door (41), the first sealing block (43) is located between the first air door (41) and the second air door (42) and is extruded by the first air door (41) and the second air door (42), and a second sealing block (44) is fixedly installed on the lower end of the second air door (42).

3. The main ventilator air duct opening and closing air door according to claim 1, wherein the front side and the rear side of the outer frame (1) are respectively provided with four stabilizing support frames (6), the stabilizing support frames (6) are obliquely arranged, one end of each stabilizing support frame (6) is fixedly installed in the middle of the upper side of the outer frame (1), and the other end of each stabilizing support frame is fixedly installed in the middle of the upper side of the outer frame (1).

4. The main ventilator air duct opening and closing damper according to claim 1, characterized in that both of the lifts (2) are fixedly mounted on the ground.

5. The main ventilator air duct opening and closing damper according to claim 2, wherein the first sealing block (43) and the second sealing block (44) are made of elastic materials.

6. The main ventilator air duct opening and closing damper according to claim 1, wherein the front rail (31) and the rear rail (32) are closely attached.