CN204646290U - A kind of slide-open annular air door - Google Patents
A kind of slide-open annular air door Download PDFInfo
- Publication number
- CN204646290U CN204646290U CN201520325327.6U CN201520325327U CN204646290U CN 204646290 U CN204646290 U CN 204646290U CN 201520325327 U CN201520325327 U CN 201520325327U CN 204646290 U CN204646290 U CN 204646290U
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- air cylinder
- air duct
- sleeve
- bearing air
- slide
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- 238000007789 sealing Methods 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 abstract description 12
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a kind of slide-open annular air door, belong to mine mechanism technical field, it comprises power set, cover shape air duct, front undertaking air duct and the consequence large with the inside and outside footpath of front undertaking air duct etc. and to give a dinner for a visitor from afar cylinder, between forward and backward undertaking air duct coordinate formed can supplied gas turnover circular passage, cover shape air duct is nested with in the outside of forward and backward undertaking air duct, under the promotion of power set, overlap shape air duct along forward and backward undertaking air duct left and right slippage to open or close circular passage.The utility model is mainly used in the ventilation system of the industries such as mine, metallurgy, electric power, with ventilation fan with the use of or be installed on separately on air channel, structure is simple, easy to assembly, air inlet uniformity.
Description
Technical Field
The utility model belongs to the technical field of mining machinery, especially, relate to a slip open formula annular air door.
Background
Due to the special working condition environment, the mine production has very strict requirements on underground ventilation. The gas accumulation and the gas overrun are major hidden dangers of mine safety production, and the underground air flow is actuated by uninterruptedly ventilating a mine air shaft, so that the underground gas concentration is diluted, and the phenomenon that the gas exceeds the standard in a local high-gas area is avoided to influence the mine safety production. Dampers are most important in a complete mine ventilation system, controlling the amount and direction of ventilation. The mine air shaft needs to use air doors to carry out fan maintenance reversing and fault reversing irregularly, and the conventional method of stopping air and reversing machines is generally adopted to carry out daily reversing work, namely, the ventilation of a main fan is stopped firstly, then the ventilation air channel is replaced by adjusting the air doors, and then the ventilation fan of the main fan is restarted, wherein the reversing process generally needs 5-10 minutes, and the air supply to the underground is stopped in the period. In the actual production of mines, local gas exceeding standards can occur in many high-gas mines when the wind is cut off for one minute, particularly under the condition of normal ventilation, the wind speed formed by different sizes of the cross section of an underground roadway, different bending angles and different on-way resistance, the wind flow inertia during the wind cut off can cause the phenomenon of wind disorder, and the overlong time of turning down the mine cannot be borne by most mines, so that a plurality of novel air doors capable of turning down the mine without the wind cut off are provided, at present, a vertical type shutter door, a shutter type rotary vane air door and a vertical type plug board door are mainly provided, although the three types of air doors can realize the continuous ventilation in the process of turning down the mine, in the actual application process, the time and labor are wasted in the lifting process of the vertical type shutter door and the vertical plug board door, the shutter type rotary vane air door has more rotating shafts due to more vanes, once one rotating shaft is corroded in the use process, the air door, in addition, the three air doors have the problem of uneven air inlet, the real-time working condition of the ventilator cannot be accurately measured due to uneven air inlet, and the safety production of a mine can be threatened.
It will thus be seen that the prior art is susceptible to further improvements and enhancements.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an avoid the weak point that above-mentioned prior art exists, provide an even, the convenient slip open formula annular air door of switch of air inlet.
The utility model discloses the technical scheme who adopts does:
the utility model provides a slip open formula annular air door, includes power device, cover shape dryer, preceding dryer of accepting and with preceding dryer of accepting in, the dryer is accepted to the back of external diameter etc. big, preceding, back are accepted and are cooperated between the dryer and form the annular passage that can supply the gas business turn over, and cover shape dryer cover is put in the outside of preceding, back to be accepted the dryer, under power device's promotion, and cover shape dryer slides about following preceding, back to be accepted the dryer and in order to open or close the annular passage.
The front bearing air cylinder and the rear bearing air cylinder are connected through a plurality of connecting plates, and each connecting plate is arranged on the inner side surfaces of the front bearing air cylinder and the rear bearing air cylinder and is arranged along the buses of the front bearing air cylinder and the rear bearing air cylinder.
The front part of the front bearing air cylinder is provided with a front baffle plate used for limiting the sleeve-shaped air cylinder to move, the front part of the rear bearing air cylinder is provided with a middle baffle plate used for limiting the sleeve-shaped air cylinder to move, the rear part of the rear bearing air cylinder is provided with a rear baffle plate used for limiting the sleeve-shaped air cylinder to move, and the sections of the front baffle plate, the middle baffle plate and the rear baffle plate are annular.
The rear end face of the front baffle is provided with a front sealing strip, and the rear end face of the middle baffle is provided with a rear sealing strip.
The front end face and the rear end face of the sleeve-shaped air cylinder are respectively provided with a flange plate, guide grooves are formed in the flange plates, the sliding-open type annular air door further comprises guide rails matched with the guide grooves, each guide rail comprises an upper guide rail and a lower guide rail, the upper guide rail is positioned at the top end of the front bearing air cylinder and the rear bearing air cylinder, and the lower guide rail is positioned at the bottom end of the front bearing air cylinder and the rear bearing air cylinder.
And pulleys are arranged on the sleeve-shaped air duct.
The power device comprises a hydraulic cylinder and a hydraulic push rod driven by the hydraulic cylinder, the hydraulic push rod is located above the sleeve-shaped air cylinder and connected with the sleeve-shaped air cylinder through a connecting block, and the connecting block is arranged on the top end face of the sleeve-shaped air cylinder.
The hydraulic cylinder is a manual hydraulic cylinder, or the hydraulic cylinder is driven by a stepping motor.
The cross section of the sleeve-shaped air duct is circular, and the cross sections of the front bearing air duct and the rear bearing air duct are circular.
The cross section of the sleeve-shaped air duct is polygonal, and the cross sections of the front bearing air duct and the rear bearing air duct are polygonal.
Since the technical scheme is used, the utility model discloses the beneficial effect who gains does:
1. the utility model discloses in the ventilation system of trades such as mainly used mining industry, metallurgy, electric power, use or install alone on the wind channel with the ventilation blower cooperation, the assembly is simple, and the cost is lower.
2. The utility model has compact structure, simple composition, reliable action and convenient maintenance; when the ventilator is matched with a ventilator for use and a performance test of the ventilator is carried out, gas enters the ventilator along the circumferential direction of the annular air duct, the flow field flows uniformly, and the test precision of the ventilator can be obviously improved; meanwhile, air enters through the annular air duct, so that the eddy current is reduced, and the electric energy consumption in the test of the ventilator can be greatly saved.
3. The utility model discloses axial dimension is little, has solved present production field ventilator equipment because axial dimension nervous problem that leads to the air door can't be put into.
Drawings
Fig. 1 is a schematic view of the semi-section structure of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a sectional view taken along line B-B of fig. 1.
Fig. 4 is an enlarged view at C in fig. 1.
Fig. 5 is an enlarged view at D in fig. 1.
Fig. 6 is an enlarged view at E in fig. 3.
Wherein,
1. the wind-driven generator comprises a front bearing wind cylinder 2, a front baffle 3, a front sealing strip 4, a sleeve-shaped wind cylinder 5, a connecting block 6, a hydraulic push rod 7, a pulley 8, a hydraulic cylinder 9, a rear bearing wind cylinder 10, a rear baffle 11, a middle baffle 12, a rear sealing strip 13, an upper guide rail 14, a lower guide rail 15 and a connecting plate
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 6, a sliding-open type annular air door comprises a power device, a sleeve-shaped air duct 4, a front receiving air duct 1 and a rear receiving air duct 9 having an inner diameter equal to that of the front receiving air duct 1 and an outer diameter equal to that of the front receiving air duct 1, wherein the sleeve-shaped air duct is also called an "air duct sleeve", the cross sections of the sleeve-shaped air duct 4 and the front and rear receiving air ducts are circular, an annular passage for air to enter and exit is formed between the front and rear receiving air ducts in a matching manner, the front and rear receiving air ducts are connected through a plurality of connecting plates, and each connecting plate 15 is arranged on the inner side surfaces of the front and rear receiving air ducts and arranged along a bus of the front and rear receiving air ducts; the sleeve-shaped air duct 4 is sleeved outside the front and rear bearing air ducts, the front and rear end faces of the sleeve-shaped air duct 4 are provided with flanges, guide grooves are formed in the flanges, the sliding-open type annular air door further comprises guide rails matched with the guide grooves, each guide rail comprises an upper guide rail 13 and a lower guide rail 14, the upper guide rail 13 is positioned at the top ends of the front and rear bearing air ducts, and the lower guide rail 14 is positioned at the bottom ends of the front and rear bearing air ducts; in order to reduce the motion resistance of the sleeve-shaped air duct 4, a pulley 7 is arranged on the sleeve-shaped air duct 4; power device includes pneumatic cylinder 8 and by pneumatic cylinder 8 driven hydraulic rod 6, this pneumatic cylinder 8 both can be for manual hydraulic cylinder also can be driven by step motor, it can decide according to actual need to select which kind of drive mode, hydraulic rod 6 is located the top of cover shape dryer 4, hydraulic rod 6 links to each other with cover shape dryer 4 through connecting block 5, connecting block 5 sets up on the top face of cover shape dryer 4, under power device's promotion, cover shape dryer 4 is along preceding, the back bears the dryer and slides about opening or close the annular channel.
The front part of the front bearing air duct 1 is provided with a front baffle 2 for limiting the sleeve-shaped air duct 4 to move, the front part of the rear bearing air duct 9 is provided with a middle baffle 11 for limiting the sleeve-shaped air duct 4 to move, the rear part of the rear bearing air duct 9 is provided with a rear baffle 10 for limiting the sleeve-shaped air duct 4 to move, and the sections of the front baffle, the middle baffle and the rear baffle are annular; the rear end face of the front baffle 2 is provided with a front sealing strip 3, and the rear end face of the middle baffle 11 is provided with a rear sealing strip 12; when the sleeve-shaped air duct 4 moves rightwards until the front end of the sleeve-shaped air duct moves to the front sealing strip 3, the rear end of the sleeve-shaped air duct 4 just moves to the rear end face of the middle baffle plate 11 to be attached to the rear sealing strip 12, the annular channel is closed, and gas cannot enter or exit through the annular channel; when the sleeve-shaped air duct 4 moves leftwards, the annular air duct is opened, and air can enter and exit through the annular passage.
It should be noted that the shapes of the sleeve-shaped wind barrel 4 and the front and rear receiving wind barrels are not limited to the circular shapes shown in fig. 1 to 3, but may also be polygonal shapes, as long as the front and rear receiving wind barrels can cooperate to form an annular passage for the gas to enter and exit, and the sleeve-shaped wind barrel 4 can open or close the annular passage to realize the on and off of the gas.
The parts not mentioned in the utility model can be realized by adopting or using the prior art for reference.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a formula annular air door slides open which characterized in that: the sleeve-shaped air duct is sleeved outside the front and rear bearing air ducts, and slides left and right along the front and rear bearing air ducts to open or close the annular channel under the pushing of the power device.
2. A slide-open ring damper according to claim 1, wherein: the front bearing air cylinder and the rear bearing air cylinder are connected through a plurality of connecting plates, and each connecting plate is arranged on the inner side surfaces of the front bearing air cylinder and the rear bearing air cylinder and is arranged along the buses of the front bearing air cylinder and the rear bearing air cylinder.
3. A slide-open ring damper according to claim 1, wherein: the front part of the front bearing air cylinder is provided with a front baffle plate used for limiting the sleeve-shaped air cylinder to move, the front part of the rear bearing air cylinder is provided with a middle baffle plate used for limiting the sleeve-shaped air cylinder to move, the rear part of the rear bearing air cylinder is provided with a rear baffle plate used for limiting the sleeve-shaped air cylinder to move, and the sections of the front baffle plate, the middle baffle plate and the rear baffle plate are annular.
4. A slide open ring damper according to claim 3, wherein: the rear end face of the front baffle is provided with a front sealing strip, and the rear end face of the middle baffle is provided with a rear sealing strip.
5. A slide-open ring damper according to claim 1, wherein: the front end face and the rear end face of the sleeve-shaped air cylinder are respectively provided with a flange plate, guide grooves are formed in the flange plates, the sliding-open type annular air door further comprises guide rails matched with the guide grooves, each guide rail comprises an upper guide rail and a lower guide rail, the upper guide rail is positioned at the top end of the front bearing air cylinder and the rear bearing air cylinder, and the lower guide rail is positioned at the bottom end of the front bearing air cylinder and the rear bearing air cylinder.
6. A slide open ring damper according to claim 1 or 5, wherein: and pulleys are arranged on the sleeve-shaped air duct.
7. A slide-open ring damper according to claim 1, wherein: the cross section of the sleeve-shaped air duct is circular, and the cross sections of the front bearing air duct and the rear bearing air duct are circular.
8. A slide-open ring damper according to claim 1, wherein: the cross section of the sleeve-shaped air duct is polygonal, and the cross sections of the front bearing air duct and the rear bearing air duct are polygonal.
9. A slide-open ring damper according to claim 1, wherein: the power device comprises a hydraulic cylinder and a hydraulic push rod driven by the hydraulic cylinder, the hydraulic push rod is located above the sleeve-shaped air cylinder and connected with the sleeve-shaped air cylinder through a connecting block, and the connecting block is arranged on the top end face of the sleeve-shaped air cylinder.
10. The slide open ring damper of claim 9, wherein: the hydraulic cylinder is a manual hydraulic cylinder, or the hydraulic cylinder is driven by a stepping motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520325327.6U CN204646290U (en) | 2015-05-20 | 2015-05-20 | A kind of slide-open annular air door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520325327.6U CN204646290U (en) | 2015-05-20 | 2015-05-20 | A kind of slide-open annular air door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204646290U true CN204646290U (en) | 2015-09-16 |
Family
ID=54099054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520325327.6U Withdrawn - After Issue CN204646290U (en) | 2015-05-20 | 2015-05-20 | A kind of slide-open annular air door |
Country Status (1)
| Country | Link |
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| CN (1) | CN204646290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832204A (en) * | 2015-05-20 | 2015-08-12 | 青岛海丰达机电设备有限公司 | Sliding-opening type annular air door |
-
2015
- 2015-05-20 CN CN201520325327.6U patent/CN204646290U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832204A (en) * | 2015-05-20 | 2015-08-12 | 青岛海丰达机电设备有限公司 | Sliding-opening type annular air door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150916 Effective date of abandoning: 20170725 |
|
| AV01 | Patent right actively abandoned |