CN208267841U - A kind of machine driven headings mechanical and hydraulic combined dust system - Google Patents
A kind of machine driven headings mechanical and hydraulic combined dust system Download PDFInfo
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- CN208267841U CN208267841U CN201820752088.6U CN201820752088U CN208267841U CN 208267841 U CN208267841 U CN 208267841U CN 201820752088 U CN201820752088 U CN 201820752088U CN 208267841 U CN208267841 U CN 208267841U
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- air duct
- dust
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Abstract
The utility model relates to a kind of machine driven headings mechanical and hydraulic combined dust systems, including positive pressure wind pipe and the negative pressure air duct being mounted on fully-mechanized digging machine, the front end of the negative pressure air duct is equipped with dust arrester installation, the rear end of negative pressure air duct is equipped with airborne deduster, the front end of the positive pressure wind pipe is equipped with control dirt air duct, the front end of the control dirt air duct is main air outlet, it controls and offers the side air-out mouth positioned at fully-mechanized digging machine driver's cabin rear on the side wall of dirt air duct, be also equipped with the linkage valve for controlling the main air port and side air-out mouth alternation switch on the control dirt air duct.The dust-contained airflow generated when the utility model cuts fully-mechanized digging machine is in always in vortex exhaust ventilation area, and enters airborne deduster through dust arrester installation, negative pressure air duct and purified, it is excessive to have prevented dust-contained airflow, has improved efficiency of dust collection, has created good working environment to construction personnel.
Description
Technical field
The utility model relates to coal mine dedusting field more particularly to a kind of machine driven headings mechanical and hydraulic combined dust systems.
Background technique
At present coal mine machine driven headings because in mining water qualities and equipment pipeline problem can not normal use internal spraying, all adopt
With external deduster or water curtain joint control dirt.Coal mine is introduced various dedusters and is dusted, but because of the cutting of fully-mechanized digging machine big gun head and
Air feed leads to dust from flying, and existing deduster can not all purify the dust raised, leads to worker's operating environment pole
Difference；And because fugitive dust leads to visual field poor visibility, parallel operations process in part can not be carried out when fully-mechanized digging machine being caused to cut.
Summary of the invention
The utility model is directed to the problem of existing single deduster dust removing effects difference, provides a kind of machine driven headings and combines and removes
Dirt system forms air curtain using the flowing of fresh air, achievees the purpose that effective dedusting.
The utility model is achieved by the following technical solution, and provides a kind of machine driven headings mechanical and hydraulic combined dust system, including
Positive pressure wind pipe and the negative pressure air duct being mounted on fully-mechanized digging machine, the front end of the negative pressure air duct is equipped with dust arrester installation, negative pressure air duct
Rear end airborne deduster is installed, the front end of the positive pressure wind pipe is equipped with control dirt air duct, and the front end of the control dirt air duct is
Main air outlet is controlled and offers the side air-out mouth positioned at fully-mechanized digging machine driver's cabin rear on the side wall of dirt air duct, on the control dirt air duct
It is also equipped with the linkage valve for controlling the main air port and side air-out mouth alternation switch.
In application process, when fully-mechanized digging machine is shut down, the side air-out mouth of control dirt air duct is in close state this programme, main outlet air
Mouth is in the open state, and fresh air enters tunnel through the main air outlet of positive pressure wind pipe and control dirt air duct, when fully-mechanized digging machine is switched on, leads to
It crosses linkage valve to close main air outlet, side air-out mouth opens simultaneously, and under the air draught effect of airborne deduster, the place of meeting head on is formed
Negative pressure cuts the idle air of generation, fugitive dust all passes through negative pressure air duct and enters deduster and carries out comprehensive purification；By side air-out mouth
Fresh air into tunnel is divided into two parts, and a part flows to dust arrester installation under the action of negative pressure, forms vortex air curtain, prevents
Fugitive dust is sucked by driver, and another part is flowed to deduster side, is formed normal pressure plenum area and is prevented due to the presence of pressure difference
Fugitive dust enters the area, improves the operating environment of machine driven headings worker.
As optimization, the linkage valve includes being threaded through on main air outlet and side air-out mouth side wall and mutually putting down respectively
Two capable shafts, are installed with the valve plate in main air outlet, side air-out mouth in two shafts respectively, two shafts it is identical
End is installed with connecting plate respectively, is equipped with connecting rod between two connecting plates, the both ends of the connecting rod are hinged with two connecting plates respectively.This prioritization scheme
Linkage valve structure it is simple, may be implemented the alternating opening and closing of main air outlet and side air-out mouth, rotation wherein a shaft when, lead to
The effect for crossing connecting plate and connecting rod drives another shaft while rotating, thus while realizing a valve plate rotation wherein, separately
One valve plate rotates simultaneously, has achieved the effect that main air outlet and side air-out mouth are alternately opened and closed.
As optimization, the positive pressure wind pipe is fixed on the side wall of tunnel, and control dirt air duct passes through extension air tube and positive pressure wind
Cylinder connection, and the control dirt air duct slips on the track being fixed on the side wall of tunnel along its length, is provided in tunnel
The electric block that dynamic control dirt air duct is moved along the track.Using the scalability of extension air tube, driven by electric block
It controls dirt air duct to be moved forward and backward, while fully-mechanized digging machine is mobile, the position of adjustable control dirt air duct reaches dust removing effects most
It is good.
As optimization, the dust arrester installation includes the cylinder that gathers dust that one end is connected to negative pressure air duct, the cylinder that gathers dust it is another
End is communicated with flat mouth formula suction inlet by being flexible coupling, and is additionally provided with flank suction inlet on the side wall of the cylinder that gathers dust.By being flexible coupling
Setting, can be different according to the position of driving, adjust the direction of flat mouth formula suction inlet, the pick-up performance being optimal, flank
The setting of suction inlet increases specific collection area, keeps dust removing effects more preferable.
Preferably, the dust arrester installation is fixed on the cantilever segment of fully-mechanized digging machine.The position setting of this preferred embodiment makes to gather dust
Device is in exhaust ventilation area inner end, realizes the distinguished and admirable maximizing adsorption of dust-laden.
Lead to the utility model has the following beneficial effects: the dust-contained airflow generated when cutting fully-mechanized digging machine is in vortex negative pressure always
In wind area, and enter airborne deduster through dust arrester installation, negative pressure air duct and purified, it is excessive to have prevented dust-contained airflow, improves
Efficiency of dust collection creates good working environment to construction personnel.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model dust arrester installation structural schematic diagram；
Fig. 3 is the utility model linkage valve air feed status diagram；
Fig. 4 is that the utility model interstage valve gates dirt status diagram；
It is as shown in the figure:
1, control dirt air duct, 1.1, main air outlet, 1.2, valve plate, 1.3, connecting plate, 1.4, connecting rod, 1.5, side air-out mouth, 1.6,
Shaft, 2, airborne deduster, 3, dust arrester installation, 3.1, flat mouth formula suction inlet, 3.2, flank suction inlet, 3.3, be flexible coupling, 3.4,
Gather dust cylinder, 4, negative pressure air duct, 5, exhaust ventilation area, 6, normal pressure plenum area, 7, electric block, 8, idle air area, 9, fully-mechanized digging machine, 10,
Positive pressure wind pipe, 11, extension air tube, hollow arrow indicate the airflow direction in negative pressure air duct.
Specific embodiment
In order to clarify the technical characteristics of the invention, being illustrated below by specific embodiment to this programme.
A kind of machine driven headings mechanical and hydraulic combined dust system as shown in Figure 1 including positive pressure wind pipe 10 and is mounted on negative on fully-mechanized digging machine 9
Air duct 4 is pressed, the front end of the negative pressure air duct 4 is equipped with dust arrester installation 3, and the rear end of negative pressure air duct 4 is equipped with airborne deduster 2.
In order to make dust arrester installation be in exhaust ventilation area inner end, the distinguished and admirable maximizing adsorption of dust-laden is realized, this implementation will receive
Dirt device 3 is fixed on the cantilever segment of fully-mechanized digging machine, and dust arrester installation 3 includes the cylinder 3.4 that gathers dust that one end is connected to negative pressure air duct 4, described
The other end of cylinder of gathering dust 3.3 is communicated with flat mouth formula suction inlet 3.1 by being flexible coupling, and is additionally provided on the side wall of the cylinder 3.4 that gathers dust
Flank suction inlet 3.2.The front of flat mouth formula suction inlet 3.1 is idle air area 8, by the dust-laden in idle air area when airborne deduster works
Air siphons away carry out purified treatment.
Positive pressure wind pipe 10 is fixed on the side wall of tunnel, and control dirt air duct is connected to by extension air tube 11 with positive pressure wind pipe, and
The control dirt air duct slips on the track being fixed on the side wall of tunnel along its length, and drive control dirt air duct is equipped in tunnel
The electric block 7 moved along the track.The front-rear position of control dirt air duct can be adjusted at any time by electric block.
The front end of positive pressure wind pipe 10 is equipped with control dirt air duct 1, and the front end of the control dirt air duct 1 is cylindrical main air outlet
1.1, control the cylindrical side air-out mouth 1.5 offered on the side wall of dirt air duct 1 positioned at fully-mechanized digging machine driver's cabin rear, side air-out mouth
1.5 are arranged along span length direction, and the control main air port 1.1 is also equipped on the control dirt air duct and side air-out mouth 1.5 is handed over
For the linkage valve of switch.
Linkage valve includes being threaded through two shafts on main air outlet and side air-out mouth side wall and being parallel to each other respectively
1.6, the valve plate 1.2 in main air outlet, side air-out mouth is installed in two shafts 1.6 respectively, two pieces of valve plates 1.2 are mutually flat
Row, and size is adapted to the inner cavity of main air outlet, side air-out mouth respectively, the same side of two shafts is installed with connecting plate 1.3 respectively,
Connecting rod 1.4 is equipped between two connecting plates, the both ends of the connecting rod 1.4 are hinged with two connecting plates 1.3 respectively.It is driven using cylinder or motor
Shaft in main air outlet rotates 90 °, realizes the opening of main air outlet, meanwhile, side is driven by the effect of connecting plate and connecting rod
Shaft in air outlet rotates 90 °, realizes the closing of side air-out mouth.Similarly, cylinder or motor are acted toward opposite direction, will be led
When shaft opposite direction in air outlet rotates 90 °, main air outlet is closed, while side air-out mouth is opened.
When fully-mechanized digging machine is shut down, control dirt air duct is in air feed state, and side air-out mouth is closed, and main air outlet is in opening, fresh sky
Gas enters tunnel through the main air outlet of positive pressure wind pipe and control dirt air duct, when fully-mechanized digging machine is switched on, by linkage valve by main air outlet
It closes, side air-out mouth opens simultaneously, and control dirt air duct is in control dirt state, under the air draught effect of airborne deduster, meets head on to locate shape
At exhaust ventilation area 5, the outlet side of airborne deduster forms normal pressure plenum area 6, and idle air, the fugitive dust that fully-mechanized digging machine cutting generates are complete
Portion enters deduster by negative pressure air duct and carries out comprehensive purification.It is divided into two by the fresh air that side air-out mouth enters tunnel
Point, a part flows to exhaust ventilation area under the action of negative pressure, forms vortex air curtain, so that driver of roadheader position is formed air curtain, meet
The dust-laden that head generates is distinguished and admirable can not be excessive, and remain driver of roadheader be located at it is fresh it is distinguished and admirable in, another part is to normal pressure
Plenum area flowing is prevented fugitive dust to enter the area, is improved the operating environment of machine driven headings worker due to the presence of pressure difference.
Certainly, above description is also not limited to the example above, and technical characteristic of the utility model without description can lead to
It crosses or realizes that details are not described herein using the prior art；Above embodiments and attached drawing are merely to illustrate the technology of the utility model
Scheme is not limitations of the present invention, and the utility model is described in detail referring to preferred embodiment, this
Field it is to be appreciated by one skilled in the art that those skilled in the art institute in the essential scope of the utility model
The variations, modifications, additions or substitutions made without departure from the objective of the utility model, want by the right that also should belong to the utility model
Seek protection scope.
Claims (5)
1. a kind of machine driven headings mechanical and hydraulic combined dust system, it is characterised in that: including positive pressure wind pipe (10) and be mounted on fully-mechanized digging machine (9)
Negative pressure air duct (4), the front end of the negative pressure air duct (4) is equipped with dust arrester installation (3), and the rear end of negative pressure air duct (4) is equipped with
Airborne deduster (2), the front end of the positive pressure wind pipe (10) are equipped with control dirt air duct (1), and the front end of control dirt air duct (1) is
Main air outlet (1.1) controls the side air-out mouth (1.5) offered on the side wall of dirt air duct (1) positioned at fully-mechanized digging machine driver's cabin rear, institute
It states and is also equipped with the linkage valve for controlling the main air outlet (1.1) and side air-out mouth (1.5) alternation switch on control dirt air duct.
2. a kind of machine driven headings mechanical and hydraulic combined dust system according to claim 1, it is characterised in that: the linkage valve includes
Two shafts (1.6) for being threaded through on main air outlet and side air-out mouth side wall and being parallel to each other respectively, on two shafts (1.6)
It is installed with the valve plate (1.2) in main air outlet, side air-out mouth respectively, the same side of two shafts is installed with connecting plate respectively
(1.3), connecting rod (1.4) are equipped between two connecting plates, the both ends of the connecting rod (1.4) are hinged with two connecting plates (1.3) respectively.
3. a kind of machine driven headings mechanical and hydraulic combined dust system according to claim 1, it is characterised in that: the positive pressure wind pipe (10)
It is fixed on the side wall of tunnel, control dirt air duct is connected to by extension air tube (11) with positive pressure wind pipe, and the control dirt air duct is sliding
It is equipped with to drive on the track being fixed on along its length on the side wall of tunnel, in tunnel and controls what dirt air duct was moved along the track
Electric block (7).
4. a kind of machine driven headings mechanical and hydraulic combined dust system according to claim 1, it is characterised in that: the dust arrester installation (3)
Including the cylinder that gathers dust (3.4) that one end is connected to negative pressure air duct (4), the other end of the cylinder that gathers dust passes through (3.3) connection that is flexible coupling
There is flat mouth formula suction inlet (3.1), is additionally provided with flank suction inlet (3.2) on the side wall of the cylinder that gathers dust (3.4).
5. a kind of machine driven headings mechanical and hydraulic combined dust system according to claim 4, it is characterised in that: the dust arrester installation (3)
It is fixed on the cantilever segment of fully-mechanized digging machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820752088.6U CN208267841U (en) | 2018-05-21 | 2018-05-21 | A kind of machine driven headings mechanical and hydraulic combined dust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820752088.6U CN208267841U (en) | 2018-05-21 | 2018-05-21 | A kind of machine driven headings mechanical and hydraulic combined dust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208267841U true CN208267841U (en) | 2018-12-21 |
Family
ID=64685339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820752088.6U Expired - Fee Related CN208267841U (en) | 2018-05-21 | 2018-05-21 | A kind of machine driven headings mechanical and hydraulic combined dust system |
Country Status (1)
| Country | Link |
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| CN (1) | CN208267841U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365058A (en) * | 2020-03-09 | 2020-07-03 | 内蒙古科技大学 | Self-moving type double-pressure ventilation device for strip mine |
| CN113339042A (en) * | 2021-06-29 | 2021-09-03 | 中煤科工集团重庆研究院有限公司 | Roadway automatic dust control and removal system and method |
-
2018
- 2018-05-21 CN CN201820752088.6U patent/CN208267841U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365058A (en) * | 2020-03-09 | 2020-07-03 | 内蒙古科技大学 | Self-moving type double-pressure ventilation device for strip mine |
| CN111365058B (en) * | 2020-03-09 | 2022-02-15 | 内蒙古科技大学 | Self-moving type double-pressure ventilation device for strip mine |
| CN113339042A (en) * | 2021-06-29 | 2021-09-03 | 中煤科工集团重庆研究院有限公司 | Roadway automatic dust control and removal system and method |
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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: 20181221 Termination date: 20190521 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |