CN202081902U - Movable air barrel assembly - Google Patents
Movable air barrel assembly Download PDFInfo
- Publication number
- CN202081902U CN202081902U CN 201120208793 CN201120208793U CN202081902U CN 202081902 U CN202081902 U CN 202081902U CN 201120208793 CN201120208793 CN 201120208793 CN 201120208793 U CN201120208793 U CN 201120208793U CN 202081902 U CN202081902 U CN 202081902U
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- air duct
- control valve
- track
- valve
- assembly according
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Abstract
The utility model discloses a movable air barrel assembly, which comprises an air barrel, a track and a driving component. The air barrel is parallel to the track and disposed on the track in a manner that the air barrel can slide along the track, and the driving component is used for driving the air barrel to slide along the track. The movable air barrel structure is adopted, the air barrel moves backwards during blasting, is moved to the most front end of a tunnel instantaneously when the blasting is completed, is used for discharging dust and harmful gas, can avoid fly rocks and impact waves generated during blasting, and has better dust and harmful gas suction effect, the service life of the air barrel is prolonged, and service cost is saved.
Description
Technical field
The utility model relates to a kind of tunnelling ventilation equipment that are used for, and particularly a kind of packaged type air duct belongs to the well lane engineering technology.
Background technology
Explosion is the comparatively general means of tunnelling, has the higher characteristics of efficient.Because explosion is the energy that utilizes the explosive blasting instantaneous relase, destroy its medium on every side, the technological means of reach excavation, filling, removing or get specific objectives such as material, thereby can produce bigger dust, simultaneously, also can produce more toxic and harmful in the explosion tunneling process, particularly for coal mine roadway, the harm of dust and pernicious gas is then more outstanding.In order to protect operator's health of human body, increase work efficiency, dust and gas that explosion produces in time need be discharged the tunnel.For addressing the above problem, generally the technological means of Cai Yonging is the air duct air draft.Promptly utilize dust that air duct and blower fan produce explosion etc. to attract to discharge by air duct.Reduce dust and content of harmful gas in the tunnel.
Body has in the technology, and the air duct that is used for the tunnelling ventilation often places bottom, middle part or the middle and upper part in tunnel, all adopts to fixedly install, and blasting flyrock and shock wave destroy air duct easily.For avoiding the problems referred to above, air duct is placed the top, tunnel, avoid or reduce blasting flyrock clashing into though be beneficial to, can't avoid the influence of shock wave, reduce the application life of air duct, increase use cost.
Therefore, need improve, can avoid slungshot and shock wave that explosion produces, and have the effect of sucking-off dust and pernicious gas preferably, prolong the application life of air duct, save use cost existing air duct structure.
The utility model content
In view of this, the purpose of this utility model provides a kind of mobile model air duct assembly, can avoid slungshot and shock wave that explosion produces, and has the effect of sucking-off dust and pernicious gas preferably, prolongs the application life of air duct, saves use cost.
Mobile model air duct assembly of the present utility model comprises air duct, track and driven unit, described air duct be parallel to track and along track slidably mode be arranged at track, described driven unit is used to drive air duct and slides along track.
Further, described track is the rail that is laid on digging laneway ground, and described air duct is supported in track by the roller that is arranged at the air duct bottom;
Further, described driven unit comprises fixed pulley, front wheel driving roller, rear drive roller and is used to drive preceding scroll wheel and the power set of back scroll wheel rotation, described fixed pulley is arranged at the driving end of digging laneway, and described front wheel driving roller and rear drive roller are arranged at the rear end of digging laneway; The air duct front end is connected in the front wheel driving roller by the drag-line I that walks around fixed pulley, and the air duct rear end is connected in the rear drive roller by drag-line II; It is opposite with the direction that drag-line II is around in the rear drive roller that described drag-line I is around in the front wheel driving roller;
Further, described front wheel driving roller and rear drive roller are coated at the power output shaft of power set vertically side by side and cooperate with its transmission;
Further, described front wheel driving roller is arranged at the power output shaft of power set by freewheel clutch I, described rear drive roller is arranged at the power output shaft of power set by freewheel clutch II, and described freewheel clutch I is opposite with freewheel clutch II engagement direction;
Further, described power set are air motor, are provided with the reversal valve that is used to make air motor rotating conversion between described air motor and the driving source of the gas.
Further, also comprise front travel control valve and back stroke control valve, described front travel control valve is provided with the control end that moves ahead that extends upward guide rail, when this move ahead control end and air duct move forward to the final position foremost pair of rollers answer; Described back stroke control valve is provided with the back capable control end that extends upward guide rail, and the rearmost end pair of rollers should when this back row control end and air duct moved to the final position backward; Described front travel control valve is communicated in the reversal valve working position that moves ahead, and back stroke control valve is communicated in the reversal valve working position that moves ahead;
Further, described front wheel driving roller, rear drive roller and air motor all are arranged in the casing, the power output shaft two end supports of air motor in casing and with its cooperating around the mode of self rotational;
Further, described front travel control valve is communicated in the reversal valve working position that moves ahead by preceding trimmer valve, preceding trimmer valve comprise the throttling passage corresponding with the upper service aisle of front travel control valve and with the corresponding conductive channel of the next service aisle of front travel control valve; Described back stroke control valve is communicated in the reversal valve working position that moves ahead by the back trimmer valve, the throttling passage that back trimmer valve comprises with afterwards the upper service aisle of stroke control valve is corresponding and with the back corresponding conductive channel of the next service aisle of stroke control valve;
Further, described casing is positioned at the digging laneway rear end and is fixedly set in the digging laneway top; Described fixed pulley is arranged at the digging laneway top; Be distributed with the directive wheel that is used for drag-line I guiding between described fixed pulley and the front wheel driving roller, described directive wheel is arranged at the digging laneway top.
The beneficial effects of the utility model are: mobile model air duct assembly of the present utility model, adopt movably air duct structure, during explosion, move behind the air duct, the moment that explosion is finished moves to the tunnel foremost with air duct, and is used to discharge dust and pernicious gas, can make air duct avoid slungshot and shock wave that explosion produces, and have the effect of sucking-off dust and pernicious gas preferably, and prolong the application life of air duct, save use cost.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 be Fig. 1 along A to view;
Fig. 3 is the driven unit structural representation;
Fig. 4 is the utility model control principle figure.
The specific embodiment
Fig. 1 is a structural representation of the present utility model, Fig. 2 be Fig. 1 along A to view, Fig. 3 is the driven unit structural representation, Fig. 4 is the utility model control principle figure, as shown in the figure: the mobile model air duct assembly of present embodiment, comprise air duct 1, track 11 and driven unit, described air duct be parallel to track and along track slidably mode be arranged at track 11, described driven unit is used to drive air duct 1 and slides along track 11.
In the present embodiment, described track 11 is for being laid on the rail on digging laneway ground, and described air duct 1 is supported in track 11 by the roller that is arranged at air duct 1 bottom; As shown in the figure, roller is arranged at air duct 1 bottom by support; Engineering quantity is less, uses flexibly, and cost is lower.
In the present embodiment, described driven unit comprises fixed pulley 2, front wheel driving roller 15, rear drive roller 17 and is used to drive preceding scroll wheel 15 and the power set 14 of back scroll wheel 17 rotations, described fixed pulley 2 is arranged at the driving end of digging laneway, and described front wheel driving roller 15 and rear drive roller 17 are arranged at the rear end of digging laneway; Air duct 1 front end is connected in front wheel driving roller 15 by the drag-line I 4 that walks around fixed pulley 2, and air duct 1 rear end is connected in rear drive roller 17 by drag-line II6; It is opposite with the direction that drag-line II6 is around in rear drive roller 17 that described drag-line I 4 is around in front wheel driving roller 15; Before and after the driving wheel structure of separating, be beneficial to and avoid motion artifacts, what guarantee that air duct moves carries out smoothly; Adopt the form of drag-line to drive, the drive system volume is little, in light weight, is easy to realize, and for the tunnel of blast working, avoids bigger drive system to be damaged.
In the present embodiment, described front wheel driving roller 15 and rear drive roller 17 are coated at the power output shaft 13 of power set 14 vertically side by side and cooperate with its transmission; Adopt Driven by Coaxial, be beneficial to and save driving power, and reduce device volume, be easy to installation and removal.
In the present embodiment, described front wheel driving roller 15 is arranged at the power output shaft 13 of power set 14 by freewheel clutch I 16, described rear drive roller 17 is arranged at the power output shaft 13 of power set 14 by freewheel clutch II18, and described freewheel clutch I 16 is opposite with freewheel clutch II18 engagement direction; Adopt the fit structure of freewheel clutch, drag-line can initiatively be discharged, avoid motion artifacts, can guarantee the tensioning characteristic of drag-line by long period, thereby guarantee the flexibility of operation.
In the present embodiment, described power set 14 are air motor, are provided with the reversal valve 19 that is used to make air motor rotating conversion between described air motor and the driving source of the gas 22; Reversal valve 19 adopts manual reverse of direction, can adopt any structure of prior art, comprises three way cock, three position four-way directional control valve or the like; Promptly adopt three position four-way directional control valve in the present embodiment; The employing air motor drives, and is beneficial to explosion-proofly, and source of the gas obtains easily, and the drive system overall volume is less, and use cost is low.
In the present embodiment, also comprise front travel control valve 20 and back stroke control valve 25, described front travel control valve 20 is provided with the control end 12 that moves ahead that extends upward guide rail 11, and roller 10 was corresponding foremost when this control end 12 that moves ahead moved forward to the final position with air duct 1; Described back stroke control valve 25 is provided with the back capable control end 9 that extends upward guide rail 11, and rearmost end roller 8 was corresponding when this back row control end 9 moved to the final position backward with air duct 1; Described front travel control valve 20 is communicated in reversal valve 19 working position that moves ahead, and back stroke control valve 25 is communicated in reversal valve 19 working position that moves ahead; Adopt front travel control valve 20 and back stroke control valve 25,, not only be beneficial to explosion-proofly, can also effectively control moving of air duct, be applicable to that coal mine roadway tunnels explosion with the final position, front and back of pure frame for movement control air duct.
In the present embodiment, described front wheel driving roller 15, rear drive roller 17 and air motor all are arranged in the casing 7, the power output shaft two end supports of air motor in casing 7 and with its cooperating around the mode of self rotational, can adopt bearing to cooperate; Have globality and compactedness, uprising preferably anti-dust performance is beneficial to and improves application life and make smooth and easy that it can keep moving for a long time.
In the present embodiment, described front travel control valve 20 is communicated in reversal valve 19 working position that moves ahead by preceding trimmer valve 21, preceding trimmer valve 21 comprise the throttling passage corresponding with front travel control valve 20 upper service aisles and with the corresponding conductive channel of front travel control valve 20 the next service aisles; Described back stroke control valve 25 is communicated in reversal valve 19 working position that moves ahead by back trimmer valve 24, back trimmer valve 24 comprise the throttling passage corresponding with back stroke control valve 25 upper service aisles and with the corresponding conductive channel of back stroke control valve 25 the next service aisles as shown in the figure, when operating personnel reversing valve operated 19 make the position work of reversal valve 19 left side, source of the gas 22 power air are passed through speed control valve 23, behind the arrival air motor of reversal valve 19 left side by preceding trimmer valve 21 and the 20 the next discharges of front travel control valve, air motor is just being changeed and drive front wheel driving roller 15 and rotate, and then pulling drag-line I 4 moves forward air duct 1, up to when air duct 1 foremost roller 10 press the control end 12 that moves ahead, certainly, can be with the motion that is converted to the control end 12 that moves ahead by other switching mechanism that presses down of roller 10 foremost, make front travel control valve 20 be positioned at upper work, the power air is by the throttling passage of preceding trimmer valve 21, air duct 1 slows down, operating personnel decontrol reversal valve 19, reversal valve 19 meta work, source of the gas 22 power air can not arrive any pipeline, air duct 1 rests on the front position, can realize the exhausting operation smoothly.
When needs air duct 1 returns to, operating personnel reversing valve operated 19 make reversal valve 19 right position work, source of the gas 22 power air are passed through speed control valve 23, pass through back trimmer valve 24 and back stroke control valve 25 the next discharges behind the reversal valve 19 right arrival air motor, making the air motor counter-rotating and driving 17 rotations of rear drive roller and then spur drag-line II6 moves air duct 1 backward, row control end 9 after pressing when air duct 1 rearmost end roller 8, certainly, can be with the motion that is converted to back row control end 9 by other switching mechanism that presses down of rearmost end roller 8, make back stroke control valve 25 be positioned at upper work, the power air is by back trimmer valve 24, the power air is by the throttling passage of back trimmer valve 24, air duct 1 slows down, operating personnel decontrol reversal valve 19, reversal valve 19 meta work, source of the gas 30 power air can not arrive any pipeline, and air duct 1 rests on backward to be return on the rearmost position.
In the present embodiment, described casing 7 is positioned at the digging laneway rear end and is fixedly set in digging laneway top 3; Described fixed pulley 2 is arranged at digging laneway top 3; Be distributed with the directive wheel 5 that is used for drag-line I4 guiding between described fixed pulley 2 and the front wheel driving roller 15, described directive wheel 5 is arranged at digging laneway top 3; Can effectively avoid the destruction of blasting flyrock, guarantee its functional performance.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (10)
1. mobile model air duct assembly is characterized in that: comprise air duct, track and driven unit, described air duct be parallel to track and along track slidably mode be arranged at track, described driven unit is used to drive air duct and slides along track.
2. mobile model air duct assembly according to claim 1 is characterized in that: described track is the rail that is laid on digging laneway ground, and described air duct is supported in track by the roller that is arranged at the air duct bottom.
3. mobile model air duct assembly according to claim 2, it is characterized in that: described driven unit comprises fixed pulley, front wheel driving roller, rear drive roller and is used to drive preceding scroll wheel and the power set of back scroll wheel rotation, described fixed pulley is arranged at the driving end of digging laneway, and described front wheel driving roller and rear drive roller are arranged at the rear end of digging laneway; The air duct front end is connected in the front wheel driving roller by the drag-line I that walks around fixed pulley, and the air duct rear end is connected in the rear drive roller by drag-line II; It is opposite with the direction that drag-line II is around in the rear drive roller that described drag-line I is around in the front wheel driving roller.
4. mobile model air duct assembly according to claim 3 is characterized in that: described front wheel driving roller and rear drive roller are coated at the power output shaft of power set vertically side by side and cooperate with its transmission.
5. mobile model air duct assembly according to claim 4, it is characterized in that: described front wheel driving roller is arranged at the power output shaft of power set by freewheel clutch I, described rear drive roller is arranged at the power output shaft of power set by freewheel clutch II, and described freewheel clutch I is opposite with freewheel clutch II engagement direction.
6. mobile model air duct assembly according to claim 5 is characterized in that: described power set are air motor, are provided with the reversal valve that is used to make air motor rotating conversion between described air motor and the driving source of the gas.
7. mobile model air duct assembly according to claim 6, it is characterized in that: also comprise front travel control valve and back stroke control valve, described front travel control valve is provided with the control end that moves ahead that extends upward guide rail, and pair of rollers should foremost when this move ahead control end and air duct moved forward to the final position; Described back stroke control valve is provided with the back capable control end that extends upward guide rail, and the rearmost end pair of rollers should when this back row control end and air duct moved to the final position backward; Described front travel control valve is communicated in the reversal valve working position that moves ahead, and back stroke control valve is communicated in the reversal valve working position that moves ahead.
8. mobile model air duct assembly according to claim 7, it is characterized in that: described front wheel driving roller, rear drive roller and air motor all are arranged in the casing, the power output shaft two end supports of air motor in casing and with its cooperating around the mode of self rotational.
9. mobile model air duct assembly according to claim 8, it is characterized in that: described front travel control valve is communicated in the reversal valve working position that moves ahead by preceding trimmer valve, preceding trimmer valve comprise the throttling passage corresponding with the upper service aisle of front travel control valve and with the corresponding conductive channel of the next service aisle of front travel control valve; Described back stroke control valve is communicated in the reversal valve working position that moves ahead by the back trimmer valve, the throttling passage that back trimmer valve comprises with afterwards the upper service aisle of stroke control valve is corresponding and with the back corresponding conductive channel of the next service aisle of stroke control valve.
10. mobile model air duct assembly according to claim 9 is characterized in that: described casing is positioned at the digging laneway rear end and is fixedly set in the digging laneway top; Described fixed pulley is arranged at the digging laneway top; Be distributed with the directive wheel that is used for drag-line I guiding between described fixed pulley and the front wheel driving roller, described directive wheel is arranged at the digging laneway top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120208793 CN202081902U (en) | 2011-06-20 | 2011-06-20 | Movable air barrel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120208793 CN202081902U (en) | 2011-06-20 | 2011-06-20 | Movable air barrel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202081902U true CN202081902U (en) | 2011-12-21 |
Family
ID=45342537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120208793 Expired - Fee Related CN202081902U (en) | 2011-06-20 | 2011-06-20 | Movable air barrel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202081902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502778A (en) * | 2020-11-29 | 2021-03-16 | 重庆梅安森科技股份有限公司 | Active blasting energy absorption device for air duct |
-
2011
- 2011-06-20 CN CN 201120208793 patent/CN202081902U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502778A (en) * | 2020-11-29 | 2021-03-16 | 重庆梅安森科技股份有限公司 | Active blasting energy absorption device for air duct |
| CN112502778B (en) * | 2020-11-29 | 2023-08-25 | 重庆梅安森科技股份有限公司 | Active blasting energy-absorbing device for air duct |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20140620 |
|
| EXPY | Termination of patent right or utility model |