CN204344155U - A kind of air-foil fan oblique pull door gear - Google Patents
A kind of air-foil fan oblique pull door gear Download PDFInfo
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- CN204344155U CN204344155U CN201420542236.3U CN201420542236U CN204344155U CN 204344155 U CN204344155 U CN 204344155U CN 201420542236 U CN201420542236 U CN 201420542236U CN 204344155 U CN204344155 U CN 204344155U
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- door
- oblique pull
- air
- doorframe
- air door
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Abstract
The utility model discloses a kind of air-foil fan oblique pull door gear, comprise two groups of vertical air doors, also comprise oblique pull damper assemblies; Oblique pull damper assemblies comprises two doorframe, door-plate, turning cylinder and wire rope, fixed pulley and air door winchs, and wherein: a doorframe is horizontally set on the top of wind channel, another doorframe is obliquely installed in tunnel, and tilts at an angle along air-out direction; Turning cylinder is arranged on the doorframe at the top being positioned at wind channel, and is rotationally connected with door-plate; Fixed pulley and air door winch are all positioned at outside wind channel, and fixed pulley is fixed on the doorframe top of vertical air door; Oblique pull damper assemblies and air door winch lay respectively at the both sides of vertical air door; One end of wire rope is fixedly connected with the door-plate of oblique pull damper assemblies, and the other end passes fixed pulley and is fixedly connected with air door winch.
Description
Technical field
The utility model relates to mineral products construction equipment technical field, particularly relates to a kind of air-foil fan oblique pull door gear.
Background technology
Requirement according to " safety regulations in coal mine " specifies, mine must adopt mechanical ventilation, and must install the chief ventilators device of 2 cover equal capabilities.When a set of fan unit runs, another set of fan unit is for subsequent use.
Wherein, each chief ventilators device has all installed air door, and this air door is mainly used in adjustment mine blast volume and easy access blower fan, inverted ventilation.At present, each main fan in mine device uses vertical air door, i.e. each air door installing a VTOL in the wind channel of two chief ventilators, this air door in use disadvantage is more: one is that door-plate is heavier, when ventilation is larger, vertical air door is easily subject to the impact of high wind pressure (when high wind directly vertically blows on door-plate, door-plate side is born larger pressure and then is caused door-plate to open or close difficulty), lifting inconvenience (i.e. inconvenient operation), lifting time is longer; Two is, when being elevated air door, block or wipe wall phenomenon; Three is that air door and the maintenance of air door SLD are inconvenient; Four is have air leakage phenomena.
Utility model content
The purpose of this utility model is to provide a kind of air-foil fan oblique pull door gear, to solve the problem.
In order to achieve the above object, the technical solution of the utility model is achieved in that
The utility model provides a kind of air-foil fan oblique pull door gear, comprises two groups of vertical air doors, also comprises oblique pull damper assemblies;
Described oblique pull damper assemblies comprises two doorframe, door-plate, turning cylinder and wire rope, fixed pulley and air door winchs, wherein:
A doorframe is horizontally set on the top of wind channel, and another doorframe is obliquely installed in tunnel, and tilts at an angle along air-out direction; Described turning cylinder is arranged on the doorframe at the top being positioned at described wind channel, and is rotationally connected with door-plate;
Described fixed pulley and described air door winch are all positioned at outside described wind channel, and described fixed pulley is fixed on the doorframe top of vertical air door; Described oblique pull damper assemblies and described air door winch lay respectively at the both sides of vertical air door;
One end of described wire rope is fixedly connected with the door-plate of described oblique pull damper assemblies, and the other end passes described fixed pulley and is fixedly connected with air door winch.
Preferably, above-mentioned air-foil fan oblique pull door assembly also comprises sealant;
Described sealant is arranged on two doorframes on described oblique pull damper assemblies, the rotating shaft outer end of doorframe and door-plate.
Preferably, described sealant is carcass or asbestos bed course.
Compared with prior art, the advantage of the utility model embodiment is:
The structure analyzing above-mentioned air-foil fan oblique pull door gear is known: in mine wind channel, respectively install oblique pull air door together between the vertical air door of twice and two Fans, with vertical air door with the use of.The vertical air door of twice is in normally open usually, only puts down when safeguarding blower fan and oblique pull air door.In above-mentioned oblique pull damper assemblies, air door adopts the structure design (namely tilting at an angle along air-out direction) be obliquely installed, when the outside exhausting of blower fan work, produce negative pressure, dirty wind in mine will flow along air-out direction, certain impact force is produced to the same air door be obliquely installed along air-out direction, when at this moment driving oblique pull door opening by air door winch (passing through wire rope as draw-gear), blast does not only produce drag effects to unlatching oblique pull air door, the unlatching of the air door of oblique pull damper assemblies can be promoted on the contrary, oblique pull damper assemblies is helped to open (now by wind thrust impact smoothly, the air door of oblique pull damper assemblies can rotate along turning cylinder opens gap).Avoid traditional air door because of ventilation larger time vertical air door be easily subject to the problem of the impact of high wind pressure, this oblique pull damper assemblies not only shortens lifting time, and is elevated very convenient.In addition, remaining the structure design of vertical air door, its objective is the effect in order to provide double insurance, usually vertical air door is in normally open; If when oblique pull damper assemblies breaks down and can not use, original vertical air door can be used to carry out Boiler pressure control operation.
In addition, open the door owing to have employed to rotate, avoid the technological deficiency (blocking or wipe wall phenomenon) of the stretched vertically air door adopted in prior art;
Above-mentioned air-foil fan oblique pull door assembly also comprises sealant (such as: carcass or asbestos bed course); Ensure air door and air door sealing, avoid air leakage phenomena.
Accompanying drawing explanation
The structural representation being in the air-foil fan oblique pull door gear of wind channel profile position that Fig. 1 provides for the utility model embodiment one;
The structural front view of the air-foil fan oblique pull door gear that Fig. 2 provides for the utility model embodiment one.
Detailed description of the invention
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one
See Fig. 1, the utility model embodiment one provides a kind of air-foil fan oblique pull door gear, comprises two groups of vertical air doors 1, also comprises oblique pull damper assemblies (blower fan in Fig. 1 is numbered 3);
Described oblique pull damper assemblies comprises two doorframes 20, door-plate 21, turning cylinder 22 and wire rope 23, fixed pulley 24 and air door winch 25, wherein:
A doorframe 20 is horizontally set on the top of wind channel A, and another doorframe 20 is obliquely installed in the B of tunnel, and tilts at an angle along air-out direction (direction that the arrow namely in Fig. 1 and Fig. 2 is illustrated); Described turning cylinder 22 is arranged on the doorframe at the top being positioned at described wind channel, and is rotationally connected with door-plate 21;
Described fixed pulley 24 and described air door winch 25 are all positioned at outside described wind channel A, and described fixed pulley 24 is fixed on the doorframe top of vertical air door 1; Described oblique pull damper assemblies lays respectively at the both sides of vertical air door 1 with described air door winch 25;
One end of described wire rope 23 is fixedly connected with the door-plate 21 of described oblique pull damper assemblies, and the other end of described wire rope 23 passes described fixed pulley 24 and is fixedly connected with air door winch 25.Above-mentioned air door winch can run by reciprocating linear in the track of correspondence, and then realizes reaching the door opening controlled in oblique pull damper assemblies and the control closed to the traction control of oblique pull air door.
The door-plate of this air door adopts steel plate, adhesive tape, band steel to make, and door-plate uses conveyer belt adhesive tape, doorframe is stained with asbestos pad, effectively prevent and leaks out and produce spark.Adopt oblique pull mode to operate air door, little by influenced by wind pressure, easy to operate, the operating time is short.And achieve blower fan not stop safe switching, ensure that mining ventilation and safety.
In above-mentioned oblique pull damper assemblies, air door adopts the structure design (namely tilting at an angle along air-out direction) be obliquely installed, tilting air door can be made more easily to open, blower fan is had to drive the wind-force produced can drive the motive power of opening-door plate as a part, make it open flexibly, close and reduce the operating time flexibly.In addition, between oblique pull damper assemblies with vertical air door, good synergy can be produced, be switched by two kinds of dissimilar air doors, can make that the ventilation system of mine is safer more to be insured.
Preferably, above-mentioned air-foil fan oblique pull door assembly also comprises sealant;
Described sealant is arranged on two doorframes on described oblique pull damper assemblies, the rotating shaft outer end of doorframe and door-plate.
Preferably, described sealant is carcass or asbestos bed course.
Below the specific works principle of above-mentioned efficient oblique pull door assembly is done and describes in detail:
The air-foil fan oblique pull door assembly that the utility model embodiment provides respectively installs oblique pull air door together between the vertical air door of twice and two Fans in mine wind channel, with vertical air door with the use of.The vertical air door of twice is in normally open usually, only puts down when safeguarding blower fan and oblique pull air door.
It should be noted that, also there is a technological deficiency in air door of the prior art, is exactly when chief ventilators switches, two ventilation fans must shut down and the operating time longer, cause the of short duration blowing-out of mine.The air-foil fan oblique pull damper assemblies that the utility model embodiment provides can solve the problems of the technologies described above, namely when No. 1 blower fan (being positioned at the blower fan of the upper right of Fig. 2) uses, No. 1 oblique pull air door (being positioned at the air door of the upper left-hand of Fig. 2) is opened, No. 2 oblique pull air doors (being positioned at the air door of the lower left side of Fig. 2) are closed, when No. 2 blower fans (blower fan on the right side of the bottom being positioned at Fig. 2) use, No. 2 oblique pull air doors are opened, No. 1 oblique pull air door is closed, and mine remains normal ventilation.This air door door-plate adopts steel plate, adhesive tape, band steel to make, and door-plate uses conveyer belt adhesive tape, the rotating shaft outer end of doorframe and doorframe is all stained with asbestos pad, effectively prevent and leaks out and produce spark.Adopt oblique pull mode to operate air door, little by influenced by wind pressure, easy to operate, the operating time is short.And achieve blower fan not stop safe switching, ensure that mining ventilation and safety.
Making and the use procedure of introducing the efficient oblique pull door assembly that the utility model embodiment provides below are in detail described:
Wherein, oblique pull damper assemblies is primarily of parts compositions such as doorframe, door-plate, rotating shaft, fixed pulley, wire rope, winches.First in the top of wind channel and tunnel, build two doorframes according to the cross dimensions of wind channel respectively with 8 No. 9 i iron, doorframe is stained with asbestos pad, cross dimensions according to doorframe makes door-plate with 10mm steel plate, the conveyer belt adhesive tape of layer overlay 15mm or asbestos pad on door-plate, fixed by 12mmx70mm bolt and door-plate with the band steel of 40mm, its spacing is approximately 350mm.
Three rotating shafts are done at the doorframe left end at wind channel top.Door-plate is arranged in rotating shaft by (outer end, rotating shaft position is also stained with asbestos pad), and at the opposite side of door-plate, connect with wire rope, wire rope other end is connected on winch.Under normal circumstances, two vertical air doors are in normally open.When No. 1 blower fan uses, No. 1 oblique pull air door is opened, and oblique pull air door is positioned at the doorframe at wind channel top, and wind channel and outside atmosphere circle are separated.Owing to having asbestos pad on doorframe He on door-plate, wind channel there will not be air leakage phenomena.When switching blower fan, starting No. 2 blower fans, opening No. 2 oblique pull air doors, meanwhile, closing No. 1 oblique pull air door.When No. 2 oblique pull air doors are opened completely, when No. 1 oblique pull air door is closed completely, close No. 1 blower fan, complete blower fan not stop safe switching.When overhauling blower fan, close vertical air door and oblique pull air door, maintainer can easily overhaul blower fan.When overhauling air door, closing vertical air door, just can overhaul or change oblique pull air door, or check the airtight asbestos pad of replacing.On mine ventilation without impact.
Compared with the mode of prior art, this patent has following at least one advantage:
1, easier opening and closing, overcomes the technological deficiency of traditional vertical air door.2, realize chief ventilators and do not shut down switching, ensure that mining ventilation and safety; 3. oblique pull air door door-plate employs adhesive tape, and doorframe has been stained with asbestos pad, effectively prevents from leaking out and producing spark; 4. in rotating shaft, be stained with asbestos pad, effectively prevent rotating shaft part and leak out; 5. making is simple, cost is low, and the large I of air door is fixed with wind channel section.Safeguard that air door, blower fan are convenient; 6. simple to operate, flexibility and reliability, fault is few.
The efficient oblique pull door assembly that the utility model embodiment provides, overcome the technological deficiency of traditional vertical air door, make simple, easy to operate, be convenient to maintenance, the novel oblique pull air door do not leaked out, drastically increase the ventilation safety coefficient of mine, and achieve good Social and economic benef@.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. an air-foil fan oblique pull door gear, comprises two groups of vertical air doors, it is characterized in that, also comprise oblique pull damper assemblies;
Described oblique pull damper assemblies comprises two doorframe, door-plate, turning cylinder and wire rope, fixed pulley and air door winchs, wherein:
A doorframe is horizontally set on the top of wind channel, and another doorframe is obliquely installed in tunnel, and tilts at an angle along air-out direction; Described turning cylinder is arranged on the doorframe at the top being positioned at described wind channel, and is rotationally connected with door-plate;
Described fixed pulley and described air door winch are all positioned at outside described wind channel, and described fixed pulley is fixed on the doorframe top of vertical air door; Described oblique pull damper assemblies and described air door winch lay respectively at the both sides of vertical air door;
One end of described wire rope is fixedly connected with the door-plate of described oblique pull damper assemblies, and the other end passes described fixed pulley and is fixedly connected with air door winch.
2. air-foil fan oblique pull door gear as claimed in claim 1, is characterized in that,
Also comprise sealant;
Described sealant is arranged on two doorframes on described oblique pull damper assemblies, the rotating shaft outer end of doorframe and door-plate.
3. air-foil fan oblique pull door gear as claimed in claim 2, is characterized in that,
Described sealant is carcass or asbestos bed course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420542236.3U CN204344155U (en) | 2014-09-18 | 2014-09-18 | A kind of air-foil fan oblique pull door gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420542236.3U CN204344155U (en) | 2014-09-18 | 2014-09-18 | A kind of air-foil fan oblique pull door gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204344155U true CN204344155U (en) | 2015-05-20 |
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ID=53227430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420542236.3U Expired - Fee Related CN204344155U (en) | 2014-09-18 | 2014-09-18 | A kind of air-foil fan oblique pull door gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204344155U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946399A (en) * | 2020-08-20 | 2020-11-17 | 重庆工程职业技术学院 | Underground coal mine safety prevention and control system and method |
| CN113265931A (en) * | 2021-05-25 | 2021-08-17 | 江苏骏豪建设工程有限公司 | Rapid cooling device for asphalt for road paving and working method thereof |
-
2014
- 2014-09-18 CN CN201420542236.3U patent/CN204344155U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946399A (en) * | 2020-08-20 | 2020-11-17 | 重庆工程职业技术学院 | Underground coal mine safety prevention and control system and method |
| CN113265931A (en) * | 2021-05-25 | 2021-08-17 | 江苏骏豪建设工程有限公司 | Rapid cooling device for asphalt for road paving and working method thereof |
| CN113265931B (en) * | 2021-05-25 | 2022-03-22 | 江苏骏豪建设工程有限公司 | Rapid cooling device for asphalt for road paving and working method thereof |
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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: 20150520 Termination date: 20150918 |
|
| EXPY | Termination of patent right or utility model |