CN209040877U - A kind of double butterfly valve air doors of coal mine ground main fan - Google Patents
A kind of double butterfly valve air doors of coal mine ground main fan Download PDFInfo
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- CN209040877U CN209040877U CN201821751334.2U CN201821751334U CN209040877U CN 209040877 U CN209040877 U CN 209040877U CN 201821751334 U CN201821751334 U CN 201821751334U CN 209040877 U CN209040877 U CN 209040877U
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- ventilation duct
- butterfly valve
- wall
- fixedly connected
- main fan
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Abstract
The utility model relates to coal mining technology fields, and disclose a kind of double butterfly valve air doors of coal mine ground main fan, including ventilation shaft, the inside of the ventilation shaft is fixedly connected with tunnel connector, the outer wall of the tunnel connector offers connecting hole, the inside of the connecting hole is connected with the first ventilation duct and the second ventilation duct respectively, and first ventilation duct is located at the top of the second ventilation duct.Tooth block is arranged by the outer wall in baffle with double butterfly valve air doors in the coal mine ground ventilation blower, it can be when first butterfly valve or second butterfly valve, which break down, keeps device operation unsmooth, bevel gear is set to drive flapper by rotating fixed link, when flapper, intercommunicating pore and connecting hole misplace, rubber cushion blocks can be made to be sealed the first ventilation duct or the second ventilation duct, the butterfly valve to break down can be replaced while not stopping main fan, it avoids main fan is out of service from causing unnecessary trouble, saves human and material resources.
Description
Technical field
The utility model relates to coal mining technology field, the double butterfly valve wind of specially a kind of coal mine ground main fan
Door.
Background technique
Coal mine is the mankind in the region of the mining area exploitation coal resources rich in coal, is generally divided into underground mine and outdoor coal
Mine is typically chosen to underground when coal seam is remote from earth's surface and digs tunnel digging coal, this is underground mine, when coal seam is away from earth's surface
Distance it is close when, be typically chosen directly removing surface soil layer excavate coal, this is open coal mine, China's overwhelming majority coal mine category
In underground mine, coal mine range includes the very big region of above and below ground and related facility, and coal mine is the mankind in digging rich in having
The proportional space excavated when the geological stratification of coal, generally includes tunnel, well cave and face etc., and coal is most important solid
Fuel is one kind of kaustobilite, and national safety regulations in coal mine requires each mine main ventilator the using and the reserved, for side
Just two Fans operation switching all installs different types of air door between every Fans and wind cave and does closed switching use, existing
Most air doors be all only to be mounted with a butterfly valve to do closed switching, must when air door breaks down in the process of running
Need to stop main fan could debug and overhaul to butterfly valve, cause great inconvenience to the maintenance and replacement of butterfly valve.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of double butterfly valve air doors of coal mine ground main fan,
It solves existing most air doors and is only mounted with a butterfly valve to do closed switching, when air door breaks down in the process of running
When, it is necessary to stopping main fan could debug and overhaul to butterfly valve, and the maintenance and replacement to butterfly valve cause greatly not
Just the problem of.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of double butterflies of coal mine ground main fan use
Valve air door, including ventilation shaft, the inside of the ventilation shaft are fixedly connected with tunnel connector, and the outer wall of the tunnel connector is opened
Equipped with connecting hole, the inside of the connecting hole is connected with the first ventilation duct and the second ventilation duct, first ventilation respectively
Pipe is located at the top of the second ventilation duct, and the outer wall of first ventilation duct and the second ventilation duct has been respectively fixedly connected with first butterfly valve
And second butterfly valve, the inner wall of the tunnel connector offer fixing groove, the internal activity of the fixing groove is connected with bull stick, described
Bull stick is fixedly connected with baffle far from one end of fixing groove, and the baffle is fixedly connected with rubber pad close to the one side of fixing groove
The outer wall of block, the rubber cushion blocks and baffle offers intercommunicating pore, the both ends of the intercommunicating pore respectively with tunnel connector, first
The inside of ventilation duct and the second ventilation duct is connected, and the outer wall of the baffle is fixedly connected with teeth piece, the tunnel connector it is upper
Surface offers through slot, and the inside of the through slot is fixedly connected with fixed link, and the bottom end of the fixed link extends to tunnel connector
Inside, the inside of the through slot is fixedly connected with sealing block, and the inner wall of the sealing block is flexibly connected with the outer wall of fixed link,
The bottom end of the fixed link is fixedly connected with bevel gear, and the outer wall of the bevel gear is flexibly connected with the outer wall of tooth block.
Preferably, the quantity of the tunnel connector is two, and two tunnel connectors are pair with the center line of the first ventilation duct
The both ends for claiming axial symmetry that the first ventilation duct is set.
Preferably, the inside punching of the connecting hole is milled with screw thread, and the outer wall of first ventilation duct and the second ventilation duct is equal
Offer the thread groove to match with connecting hole outer wall thread.
Preferably, internal diameter of the aperture of the intercommunicating pore less than the first ventilation duct.
Preferably, the inside of the through slot is fixedly connected with bearing, the outer wall of the bearing and the fixed company of the inner wall of through slot
It connects, the inner wall of the bearing is fixedly connected with the inner wall of fixed link.
Preferably, the quantity of the intercommunicating pore is three.
(3) beneficial effect
The utility model provides a kind of double butterfly valve air doors of coal mine ground main fan, have it is following the utility model has the advantages that
(1), tooth block is arranged by the outer wall in baffle in the utility model, event can occur in first butterfly valve or second butterfly valve
When barrier keeps device operation unsmooth, bevel gear is set to drive flapper, when flapper, intercommunicating pore and company by rotating fixed link
Hole dislocation is connect, rubber cushion blocks can be made to be sealed the first ventilation duct or the second ventilation duct, main fan can not stopped
While the butterfly valve to break down is replaced, avoid main fan is out of service from causing unnecessary trouble, save manpower
Material resources.
(2), the utility model is by being respectively set first butterfly valve and in the outer wall of the first ventilation duct and the second ventilation duct
Two butterfly valves, can when device runs unsmooth by closing one of butterfly valve, to another butterfly valve carry out the investigation of failure with
The maintenance of butterfly valve excludes the failure of butterfly valve while not stopping main fan running, time saving and energy saving.
Detailed description of the invention
Fig. 1 is the utility model front view；
Fig. 2 is enlarged drawing at A in the utility model Fig. 1；
Fig. 3 is the utility model baffle side view.
In figure: 1 ventilation shaft, 2 tunnel connectors, 3 connecting holes, 4 first ventilation ducts, 5 second ventilation ducts, 6 first butterfly valves, 7
Second butterfly valve, 8 fixing grooves, 9 bull sticks, 10 baffles, 11 rubber cushion blocks, 12 intercommunicating pores, 13 tooth blocks, 14 through slots, 15 fixed links, 16 cones
Gear, 17 bearings, 18 sealing blocks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1-3, the utility model provides a kind of technical solution: a kind of double butterfly valve wind of coal mine ground main fan
Door, including ventilation shaft 1, the inside of ventilation shaft 1 are fixedly connected with tunnel connector 2, and the outer wall of tunnel connector 2 offers connection
Hole 3, the inside of connecting hole 3 are connected with the first ventilation duct 4 and the second ventilation duct 5 respectively, and the inside punching of connecting hole 3 is milled with spiral shell
The outer wall of line, the first ventilation duct 4 and the second ventilation duct 5 offers the thread groove to match with 3 outer wall thread of connecting hole, passes through
The thread groove to match with 3 outer wall thread of connecting hole is opened up in the outer wall of the first ventilation duct 4 and the second ventilation duct 5, can be passed through
Simply turning the first ventilation duct 4 and the second ventilation duct 5 connect the first ventilation duct 4 and the second ventilation duct 5 with connecting hole 3, letter
The installation and removal process for changing the first ventilation duct 4 and the second ventilation duct 5 makes the maintenance and replacement of first butterfly valve 6 and second butterfly valve 7
More simple, the first ventilation duct 4 is located at the top of the second ventilation duct 5, the outer wall point of the first ventilation duct 4 and the second ventilation duct 5
It is not fixedly connected with first butterfly valve 6 and second butterfly valve 7, the quantity of tunnel connector 2 is two, and two tunnel connectors 2 are logical with first
The center line of air hose 4 is the both ends that symmetry axis is symmetricly set on the first ventilation duct 4, by the first ventilation duct 4 and the second ventilation
First butterfly valve 6 and second butterfly valve 7 is respectively set in the outer wall of pipe 5, can be when device runs unsmooth by closing one of butterfly
Valve carries out the investigation of failure and the maintenance of butterfly valve to another butterfly valve, to butterfly valve while not stopping main fan running
Failure is excluded, time saving and energy saving, and the inner wall of tunnel connector 2 offers fixing groove 8, and the internal activity of fixing groove 8, which is connected with, to be turned
Bar 9, bull stick 9 are fixedly connected with baffle 10 far from one end of fixing groove 8, and baffle 10 is fixedly connected close to the one side of fixing groove 8
There are a rubber cushion blocks 11, the outer wall of rubber cushion blocks 11 and baffle 10 offers intercommunicating pore 12, and the quantity of intercommunicating pore 12 is three, energy
Enough make 3 open or close of connecting hole in same group of two connecting holes 3 in flap shutter 10, stops main fan
The butterfly valve of failure is overhauled and is replaced in the case where operation, runs device preferably, the both ends of intercommunicating pore 12 respectively with
Tunnel connector 2, the first ventilation duct 4 are connected with the inside of the second ventilation duct 5, and the aperture of intercommunicating pore 12 is less than the first ventilation duct 4
Internal diameter, can baffle 10 rotate when so that rubber cushion blocks 11 is effectively sealed to the first ventilation duct 4 or the second ventilation duct 5
It closes, runs device preferably, the outer wall of baffle 10 is fixedly connected with teeth piece 13, and the upper surface of tunnel connector 2 offers through slot
14, the inside of through slot 14 is fixedly connected with fixed link 15, and the inside of through slot 14 is fixedly connected with bearing 17, the outer wall of bearing 17 with
The inner wall of through slot 14 is fixedly connected, and the inner wall of bearing 17 is fixedly connected with the inner wall of fixed link 15, by setting bearing to fixation
Bar 15 and through slot 14 are attached, and can effectively be carried out to fixed link 15 in the case where not interfering 15 normal rotation of fixed link
It is fixed, run device preferably, the bottom end of fixed link 15 extends to the inside of tunnel connector 2, and the inside of through slot 14 is fixed to be connected
It is connected to sealing block 18, the inner wall of sealing block 18 is flexibly connected with the outer wall of fixed link 15, and the bottom end of fixed link 15 is fixedly connected with
The outer wall of bevel gear 16, bevel gear 16 is flexibly connected with the outer wall of tooth block 13, and tooth block 13, energy is arranged by the outer wall in baffle 10
Enough when first butterfly valve 6 or second butterfly valve 7, which break down, keeps device operation unsmooth, make 16 band of bevel gear by rotating fixed link 15
Dynamic baffle 10 rotates, and when baffle 10 rotates, intercommunicating pore 12 and connecting hole 3 misplace, and rubber cushion blocks 11 can be made the first ventilation
Pipe 6 or the second ventilation duct 5 are sealed, and can be replaced while not stopping main fan to the butterfly valve to break down,
It avoids main fan is out of service from causing unnecessary trouble, saves human and material resources.
It can to sum up obtain, the utility model is matched by setting connecting hole 3, baffle 10 and bevel gear 16, and when use turns
First ventilation duct 4 and the second ventilation duct 5 connect the first ventilation duct 4 and the second ventilation duct 5 with connecting hole 3, simplify the first ventilation
The installation and removal process of pipe 4 and the second ventilation duct 5 keeps the maintenance of first butterfly valve 6 and second butterfly valve 7 and replacement more simple
Single, the quantity of tunnel connector 2 is two, and two tunnel connectors 2 are symmetricly set on using the center line of the first ventilation duct 4 as symmetry axis
The both ends of first ventilation duct 4, by the way that first butterfly valve 6 and second is respectively set in the outer wall of the first ventilation duct 4 and the second ventilation duct 5
Butterfly valve 7, first butterfly valve 6 and second butterfly valve 7 open simultaneously when operation, when butterfly valve, which goes wrong, runs unsmooth, close the second butterfly
Valve 7 carries out the investigation of failure to first butterfly valve 6, when detecting first butterfly valve 6 there is no when failure, opens second butterfly valve 7, closes
First butterfly valve 6 carries out the investigation of failure to second butterfly valve 7, can pass through when device runs unsmooth and close one of butterfly valve,
The investigation of failure and the maintenance of butterfly valve are carried out to another butterfly valve, to the failure of butterfly valve while not stopping main fan running
It is excluded, time saving and energy saving, when detecting that some butterfly valve breaks down, rotation fixed link 15 makes bevel gear 16 drive baffle
10 rotations, when baffle 10 rotates, intercommunicating pore 12 and connecting hole 3 misplace, and rubber cushion blocks 11 can be made the first ventilation duct 6 or the
Two ventilation ducts 5 are sealed, and can be replaced while not stopping main fan to the butterfly valve to break down, are avoided main logical
Blower is out of service to cause unnecessary trouble, saves human and material resources.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of coal mine ground main fan double butterfly valve air doors, including ventilation shaft (1), it is characterised in that: the ventilation duct
The inside in road (1) is fixedly connected with tunnel connector (2), and the outer wall of the tunnel connector (2) offers connecting hole (3), the company
The inside for connecing hole (3) is connected with the first ventilation duct (4) and the second ventilation duct (5) respectively, and first ventilation duct (4) is located at
The outer wall of the top of second ventilation duct (5), first ventilation duct (4) and the second ventilation duct (5) has been respectively fixedly connected with first
The inner wall of butterfly valve (6) and second butterfly valve (7), the tunnel connector (2) offers fixing groove (8), the inside of the fixing groove (8)
It is connected with bull stick (9), the bull stick (9) is fixedly connected with baffle (10), the baffle far from the one end of fixing groove (8)
(10) one side close to fixing groove (8) is fixedly connected with rubber cushion blocks (11), the rubber cushion blocks (11) and baffle (10)
Outer wall offers intercommunicating pore (12), the both ends of the intercommunicating pore (12) respectively with tunnel connector (2), the first ventilation duct (4) and
The inside of second ventilation duct (5) is connected, and the outer wall of the baffle (10) is fixedly connected with teeth piece (13), the tunnel connector
(2) upper surface offers through slot (14), and the inside of the through slot (14) is fixedly connected with fixed link (15), the fixed link
(15) bottom end extends to the inside of tunnel connector (2), and the inside of the through slot (14) is fixedly connected with sealing block (18), described
The inner wall of sealing block (18) is flexibly connected with the outer wall of fixed link (15), and the bottom end of the fixed link (15) is fixedly connected with cone tooth
It takes turns (16), the outer wall of the bevel gear (16) is flexibly connected with the outer wall of tooth block (13).
2. a kind of double butterfly valve air doors of coal mine ground main fan according to claim 1, it is characterised in that: the tunnel
The quantity of connector (2) is two, and two tunnel connectors (2) are symmetricly set on using the center line of the first ventilation duct (4) as symmetry axis
The both ends of first ventilation duct (4).
3. a kind of double butterfly valve air doors of coal mine ground main fan according to claim 1, it is characterised in that: the connection
The inside in hole (3), which rushes, is milled with screw thread, and the outer wall of first ventilation duct (4) and the second ventilation duct (5) offers and connecting hole
(3) thread groove that outer wall thread matches.
4. a kind of double butterfly valve air doors of coal mine ground main fan according to claim 1, it is characterised in that: the connection
Internal diameter of the aperture in hole (12) less than the first ventilation duct (4).
5. a kind of double butterfly valve air doors of coal mine ground main fan according to claim 1, it is characterised in that: the through slot
(14) inside is fixedly connected with bearing (17), and the outer wall of the bearing (17) is fixedly connected with the inner wall of through slot (14), described
The inner wall of bearing (17) is fixedly connected with the inner wall of fixed link (15).
6. a kind of double butterfly valve air doors of coal mine ground main fan according to claim 1, it is characterised in that: the connection
The quantity in hole (12) is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821751334.2U CN209040877U (en) | 2018-10-28 | 2018-10-28 | A kind of double butterfly valve air doors of coal mine ground main fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821751334.2U CN209040877U (en) | 2018-10-28 | 2018-10-28 | A kind of double butterfly valve air doors of coal mine ground main fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209040877U true CN209040877U (en) | 2019-06-28 |
Family
ID=67039999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821751334.2U Expired - Fee Related CN209040877U (en) | 2018-10-28 | 2018-10-28 | A kind of double butterfly valve air doors of coal mine ground main fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209040877U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576538A (en) * | 2020-12-29 | 2021-03-30 | 王翔 | Fan air door opening and closing device |
-
2018
- 2018-10-28 CN CN201821751334.2U patent/CN209040877U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576538A (en) * | 2020-12-29 | 2021-03-30 | 王翔 | Fan air door opening and closing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190628 Termination date: 20201028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |