CN209959276U

CN209959276U - Pneumatic air door of coal mine underground monorail crane

Info

Publication number: CN209959276U
Application number: CN201920272833.1U
Authority: CN
Inventors: 刘金龙; 马奎; 胡恩宝; 焦金宝
Original assignee: China Coal Xinji Energy Co Ltd
Current assignee: China Coal Xinji Energy Co Ltd
Priority date: 2019-03-04
Filing date: 2019-03-04
Publication date: 2020-01-17
Anticipated expiration: 2029-03-04

Abstract

The utility model discloses a colliery is pneumatic air door of single track crane in pit includes: the lower air door shaft is arranged on one side of the partition wall, one side of the lower air door is arranged on the lower air door shaft, the lower air cylinder and the lower guide wheel are arranged on a roadway close to one side of the lower air door shaft, one end of the lower wire is pulled by the lower air cylinder, and the other end of the lower wire penetrates through the lower guide wheel and is fixed on the lower air door; the upper air door hinge is installed at the upper end of the partition wall, the upper end of the upper air door is installed on the upper air door hinge, the upper air cylinder and the upper guide wheel are installed on a roadway of the partition wall, one end of an upper wire is pulled by the upper air cylinder, the other end of the upper wire penetrates through the upper guide wheel and is fixed on the upper air door, the air path box is connected with the lower air cylinder and the upper air cylinder through wires, the switch button is installed on the partition wall and is connected with the air path box through the wires, and the air path box is controlled.

Description

Pneumatic air door of coal mine underground monorail crane

Technical Field

The application relates to a permanent air door of a monorail crane, in particular to a pneumatic air door of a coal mine underground monorail crane.

Background

The underground monorail crane for the raw coal mine adopts a manual opening mode when passing through the air door, so that the air door is difficult to open, air leakage is large, safety risks exist, the monorail crane can influence the condition that the air door is not closed tightly, and the ventilation system is unstable due to the fact that the monorail crane collides to damage the air door.

Disclosure of Invention

The utility model discloses an invention aim at solve the underground single track of raw coal mine and hang and be difficult opening, the air leakage is big crossing the air door, and has safe risk, and the single track hangs can influence the air door and close not tight, the single track hangs and hits the problem that damages the air door and more can cause the ventilation system unstable, and provides a colliery underground single track hangs pneumatic air door.

The utility model discloses a pneumatic air door is hung to colliery monorail in pit, this colliery monorail in pit hangs pneumatic air door dress on the partition wall in coal mine tunnel, and the hoist and mount has the monorail to hang in the tunnel, and colliery monorail in pit hangs pneumatic air door and includes: lower part air door axle, lower part air door, lower cylinder, lower leading wheel, lower wire, upward air hinge, go up the air door, go up the leading wheel, go up the cylinder, go up wire, gas circuit case and shift knob, the one side at the partition wall is installed to the lower part air door axle, and one side dress of lower part air door is on the lower part air door axle, and around the lower part air door axle open and close, wherein: a lower cylinder and a lower guide wheel are arranged on a roadway close to one side of the lower air door shaft, one end of a lower lead is pulled by the lower cylinder, and the other end of the lower lead penetrates through the lower guide wheel and is fixed on the lower air door; the upper end of the partition wall is provided with an upper air door hinge, the upper end of the upper air door is arranged on the upper air door hinge, the upper air door is opened and closed around the upper air door hinge, an upper air cylinder and an upper guide wheel are arranged on a roadway of the partition wall, one end of an upper lead is pulled by the upper air cylinder, the other end of the upper lead penetrates through the upper guide wheel and is fixed on the upper air door, the air path box is connected with the lower air cylinder and the upper air cylinder through leads, a switch button is arranged on the partition wall and is connected with the air path box through leads to control the air path box;

the utility model discloses a colliery is pneumatic air door of monorail crane in pit, wherein: the number of the upper air door hinges is 2;

the utility model discloses a colliery is pneumatic air door of monorail crane in pit, wherein: the number of the lower air door shafts is 2.

The utility model discloses a colliery is pneumatic air door of monorail crane in pit, wherein: the upper air door is provided with a notch, and the monorail crane is hung on the roadway and penetrates through the notch.

The utility model discloses a colliery is pneumatic air door of monorail crane in pit compares with current air door, has following advantage:

the pneumatic air door of the underground coal mine monorail crane is divided into an upper part and a lower part, two air cylinders are arranged, the upper air door and the lower air door are respectively controlled, the two air cylinders are pneumatically interlocked, and the two air cylinders are sequentially opened when the monorail crane passes through the air doors;

two, the utility model discloses a colliery is single rail in pit hangs pneumatic air door changes former single fan air door into two upper and lower air doors, has solved because of single rail hangs the track influence the air door and closes not tight and the higher problem of air door.

Thirdly, the utility model discloses a colliery is pneumatic air door of monorail crane in pit changes two upper and lower air doors interlocking simultaneously into former air door pneumatic interlock, and two cylinders of a shift knob control are opened upper and lower air door.

And fourthly, the problems of the air door in the mine are solved by transforming the air door and the interlocking device, the problem that a plurality of groups of air doors are arranged for solving the air leakage problem is reduced, the stability of a ventilation system is ensured when the underground monorail crane runs, and remarkable economic and safety benefits are obtained.

Drawings

FIG. 1 is a schematic perspective view of a pneumatic damper of a single-rail crane in a coal mine, in which connection wires between an air channel box and a switch button and an upper air cylinder and a lower air cylinder are not shown for clarity;

FIG. 2 is a schematic front section view of a pneumatic damper of a coal mine underground monorail crane.

In fig. 1 and 2, reference numeral 1 is a lower damper shaft; reference numeral 2 is a lower damper; the reference number 3 is a monorail crane; reference numeral 4 is an upper damper hinge; reference numeral 5 is an upper damper; reference numeral 6 denotes a tunnel; reference numeral 7 is a gas circuit box; reference numeral 8 is a switch button; reference numeral 9 is a partition wall; reference numeral 10 is an upper guide wheel; reference numeral 11 is an upper cylinder; reference numeral 12 is an upper lead; reference numeral 13 is a lower lead; reference numeral 14 is a lower cylinder; reference numeral 15 is a lower guide wheel.

Detailed Description

As shown in fig. 1, the utility model discloses a colliery is pneumatic air door of single track crane in pit is adorned on the partition wall 9 of coal mine tunnel 6, and it has single track to hang 3 to hoist on tunnel 6, and the coal mine is single track to hang pneumatic air door in pit includes: lower part air door axle 1, lower part air door 2, lower cylinder 14, lower leading wheel 15, lower wire 13, upper air door hinge 4, upper air door 5, upper leading wheel 10, upper cylinder 11, upper wire 12, gas circuit case 7 and

shift knob

8, 2 lower part air door axles 1 are installed in one side of partition wall 9, one side dress of lower part air door 2 is on lower part air door axle 1, and around lower part air door axle 1 open and close, have an opening on upper air door 5, single track hangs 3 and hoists on tunnel 6 and pass in the above-mentioned opening. A lower cylinder 14 and a lower guide wheel 15 are arranged on the roadway 6 close to one side of the lower air door shaft 1, one end of a lower lead 13 is pulled by the lower cylinder 14, and the other end of the lower lead 13 penetrates through the lower guide wheel 15 and is fixed on the lower air door 2; 2 last wind door hinges 4 are equipped with in partition 9 upper end, the upper end of going up wind door 5 is adorned on last wind door hinge 4, go up wind door 5 round last wind door hinge 4 open and close, be equipped with last cylinder 11 and last leading wheel 10 on the tunnel 6 of partition 9, the one end of going up wire 12 is pull by last cylinder 11, the other end of going up wire 12 passes last leading wheel 10 and fixes on last wind door 5, gas circuit case 7 passes through the wire and links to each other with lower cylinder 14 and last cylinder 11, shift knob 8 installs on partition 9, this shift knob 8 passes through the wire and links to each other with gas circuit case 7, control gas circuit case 7.

The utility model discloses a colliery is pneumatic air door of single track crane in pit according to following step

1. The permanent air door passing through the monorail crane 3 is divided into an upper part and a lower part, the lower air door 2 is opened left and right, the upper air door 5 is opened up and down, and when the monorail crane 3 passes through, the upper air door 5 is opened first and then the lower air door 2 is opened.

2. Two upper cylinders 11 and two lower cylinders 14 are provided, the upper cylinders 11 controlling the upper dampers 5 and the lower cylinders 14 controlling the lower dampers 2.

3. The pipeline connection of the two upper air cylinders 11 and the lower air cylinder 14 is kept for a certain time difference, the pneumatic control switch button 8 is opened, the upper air door 5 is firstly opened, the air pressure at two sides of the upper air door 5 is reduced, and then the lower air door 2 is opened again under the action of the lower air cylinder 14, so that the monorail crane 3 passes through.

4. After the monorail crane 3 passes through, the switch button 8 is pressed, the lower air door 2 is closed firstly, and then the upper air door 5 is closed.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a pneumatic air door is hung to colliery monorail in pit, this colliery is pneumatic air door is hung to colliery monorail in pit adorns on partition wall (9) in colliery tunnel (6), and it has monorail to hang (3) to hoist on tunnel (6), and colliery is pneumatic air door of monorail in pit includes: lower part air door axle (1), lower part air door (2), lower cylinder (14), lower leading wheel (15), lower wire (13), go up air door hinge (4), go up air door (5), go up leading wheel (10), go up cylinder (11), go up wire (12), gas circuit case (7) and shift knob (8), one side at partition wall (9) is installed in lower part air door axle (1), one side dress of lower part air door (2) is on lower part air door axle (1), and it opens and closes its characterized in that to wind lower part air door axle (1): a lower cylinder (14) and a lower guide wheel (15) are arranged on a roadway (6) close to one side of the lower air door shaft (1), one end of a lower lead (13) is pulled by the lower cylinder (14), and the other end of the lower lead (13) penetrates through the lower guide wheel (15) and is fixed on the lower air door (2); an upper air door hinge (4) is installed at the upper end of a partition wall (9), the upper end of an upper air door (5) is installed on the upper air door hinge (4), the upper air door (5) is opened and closed around the upper air door hinge (4), an upper air cylinder (11) and an upper guide wheel (10) are installed on a roadway (6) of the partition wall (9), one end of an upper lead (12) is pulled by the upper air cylinder (11), the other end of the upper lead (12) penetrates through the upper guide wheel (10) and is fixed on the upper air door (5), an air channel box (7) is connected with a lower air cylinder (14) and the upper air cylinder (11) through a lead, a switch button (8) is installed on the partition wall (9), the switch button (8) is connected with the air channel box (7) through a lead, and the air channel box (7) is controlled.

2. The coal mine underground monorail crane pneumatic air door of claim 1, characterized in that: the number of the upper air door hinges (4) is 2.

3. The coal mine underground monorail crane pneumatic air door of claim 2, characterized in that: the number of the lower air door shafts (1) is 2.

4. The coal mine underground monorail crane pneumatic air door of claim 3, characterized in that: an opening is arranged on the upper air door (5), and the monorail crane (3) is hoisted on the roadway (6) and penetrates through the opening.