CN213540459U - Belt crosses air door and prevents device against current - Google Patents
Belt crosses air door and prevents device against current Download PDFInfo
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- CN213540459U CN213540459U CN202022135678.4U CN202022135678U CN213540459U CN 213540459 U CN213540459 U CN 213540459U CN 202022135678 U CN202022135678 U CN 202022135678U CN 213540459 U CN213540459 U CN 213540459U
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- baffle
- baffle plate
- concave
- air door
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Abstract
The utility model discloses a belt air door anti-reflux device, including concave type post, concave type post has two and sets up on the air door wall, the air door wall has air door and belt hole, specifically, concave type post symmetry sets up in belt hole both sides, upper portion is equipped with rather than the upper baffle of sliding connection between two concave type posts, the fixed point has been seted up at the upper baffle top, the fixed point passes through the telescopic link and connects electronic hydraulic push rod, electronic hydraulic push rod is connected with the switch, be equipped with the upper belt below the upper baffle, be equipped with the well baffle below the upper belt, be equipped with the lower baffle below the well baffle, be equipped with the bottom belt between well baffle and lower baffle; the device utilizes electronic hydraulic push rod according to belt running state needs, drives the overhead gage and opens or close the belt hole, simultaneously, closes well shutter and lower baffle, realizes preventing the effect that the distinguished and admirable is reversed, can prevent simultaneously that more distinguished and admirable from the belt hole from flowing out, and the baffle control is inboard at two concave posts, and the tight wind current loss in periphery is little.
Description
Technical Field
The utility model relates to a belt protection technology specifically is a belt crosses air door and prevents device against current.
Background
Air doors are ventilation devices in mine ventilation networks and their main function is to block the reverse flow of air. The belt passes through the wall body of the air door, which is a very common phenomenon in mine production, and the problem that the air countercurrent partition of the belt hole is difficult to process all the time due to the circulating continuous operation of the belt and the irregular and irregular shape of the transported coal body.
The current main treatment method is to install a wind screen on a belt hole, the common wind screen materials are wind barrel cloth and belt conveyor leather, and the installation modes are three types: the first is an air cylinder cloth air curtain, the second is a belt conveyor leather air curtain, and the third is the combination of air cylinder cloth and belt conveyor leather. The advantages of this treatment method are: convenient material acquisition, low cost and convenient installation. The disadvantages are that: the installation is not standardized and does not meet the requirement of civilized production; the service life is short, the replacement frequency is high, and the human resources are wasted; the effect of blocking the reverse flow is poor, and the effect is similar to a nominal effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air door anti-reflux device is crossed to belt to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a belt ventilation door anti-countercurrent device comprises two concave columns, wherein the two concave columns are arranged on a ventilation door wall, the ventilation door wall is provided with a ventilation door and a belt hole, the concave columns are symmetrically arranged on two sides of the belt hole, an upper baffle plate in sliding connection with the concave columns is arranged on the upper portion between the two concave columns, a fixed point is arranged at the top of the upper baffle plate, the fixed point is connected with an electric hydraulic push rod through a telescopic rod, the electric hydraulic push rod is connected with a switch, an upper belt is arranged below the upper baffle plate, a middle baffle plate is arranged below the upper belt, a lower baffle plate is arranged below the middle baffle plate, a bottom belt is arranged between the middle baffle plate and the lower baffle plate, one side of the middle baffle plate is rotatably connected with one of the concave columns through a middle baffle plate hinge, the other side of the middle baffle plate is provided with a middle baffle plate for butt joint fixation with the other concave column, one side of the, and a lower baffle hook is arranged on the other side of the lower baffle and is used for being fixedly butted with another concave column, and the lower baffle hinge and the middle baffle hinge are positioned on the same concave column.
The upper belt, the bottom surface of the upper baffle and the top surface of the middle baffle are all arc-shaped.
As the preferred scheme of the utility model: and adjusting columns are arranged on two sides of the telescopic rod.
Compared with the prior art, the beneficial effects of the utility model are that: the device utilizes electronic hydraulic push rod according to belt running state needs, drive the overhead gage and open or close the belt hole, and simultaneously, well plate washer and lower baffle are closed, realize preventing the effect of air current reversal, can prevent more air currents from flowing out from the belt hole simultaneously, the baffle control is inboard at two concave type posts, the tight air current loss of periphery is little, many baffle designs can open very conveniently according to the demand, guarantee that maintenance work goes on fast, and many baffles have also further reduced the air leakage in belt hole, the life cycle is long, the fault rate is low.
Drawings
Fig. 1 is a schematic structural view of the utility model when opening.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a schematic structural diagram of the present invention when closed.
Fig. 4 is a side view of fig. 3.
FIG. 5 is a front view of the damper.
In the figure, 1-concave column, 2-bottom belt, 3-upper belt, 4-upper baffle, 5-fixed point, 6-adjusting column, 7-telescopic rod, 8-electric hydraulic push rod, 9-switch, 10-middle baffle, 11-middle baffle hinge, 12-lower baffle, 13-lower baffle hinge, 14-belt hole, 15-air door, 16-air door wall, 17-middle baffle hook and 18-lower baffle hook.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-5, a belt-through-air door anti-backflow device comprises two concave columns 1, the two concave columns 1 are arranged on an air door wall 16, the air door wall 16 is provided with an air door 15 and a belt hole 14, specifically, the concave columns 1 are symmetrically arranged on two sides of the belt hole 14, an upper baffle 4 connected with the two concave columns 1 in a sliding manner is arranged at the upper part between the two concave columns 1, a fixed point 5 is arranged at the top of the upper baffle 4, the fixed point 5 is connected with an electric hydraulic push rod 8 through a telescopic rod 7, the electric hydraulic push rod 8 is connected with a switch 9, the switch 9 is used for controlling the action of the electric hydraulic push rod 8, further the telescopic rod 7 is used for controlling the lifting of the upper baffle 4, an upper belt 3 is arranged below the upper belt 4, a middle baffle 10 is arranged below the upper belt 3, a lower baffle 12 is arranged below the middle baffle 10, a bottom belt 2 is arranged between the middle baffle 10 and the lower baffle 12, one side of the middle baffle 10 is rotatably connected with one concave, the other side of the middle baffle 10 is provided with a middle baffle handle hook 17 used for being fixedly butted with another concave column 1, one side of the lower baffle 12 is rotatably connected with one concave column 1 through a lower baffle hinge 13, the other side of the lower baffle 12 is provided with a lower baffle hook 18 used for being fixedly butted with another concave column 1, and the lower baffle hinge 13 and the middle baffle hinge 11 are positioned on the same concave column 1.
The bottom surfaces of the upper belt 3 and the upper baffle 4 and the top surface of the middle baffle 10 are all arc-shaped.
When the belt does not run, the switch 9 is started, the electric hydraulic push rod 8 acts to push out the telescopic rod 7, the upper baffle plate 4 is driven to move downwards, and the belt hole 14 is closed; on the contrary, when the belt runs, the switch 9 is started, the electric hydraulic push rod 8 acts to withdraw the telescopic rod 7, the upper baffle plate 4 is driven to act upwards, and the belt hole 14 is opened.
The device is according to the belt running state needs, utilize electronic hydraulic push rod 8, it opens or closes belt hole 14 to drive overhead gage 4, and simultaneously, well plate washer and lower baffle 12 are closed, the effect of preventing the reversal of distinguished and admirable, can prevent more distinguished and admirable from 14 flows in belt hole simultaneously, baffle control is inboard at two concave type posts 1, the peripheral strict distinguished and admirable loss is little, many baffle designs can open very conveniently according to the demand, guarantee to overhaul work and go on fast, and many baffles have also further reduced belt hole 14's hourglass wind, the life cycle is long, the fault rate is low.
Example 2:
on embodiment 1's basis, telescopic link 7 both sides are equipped with adjusts post 6, can guarantee telescopic link 7 motion in vertical direction through adjusting post 6, and then avoid overhead gage 4 to take place the skew when vertical removal.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The belt air door passing anti-reflux device is characterized by comprising two concave columns (1), wherein the two concave columns (1) are arranged on an air door wall (16), the air door wall (16) is provided with an air door (15) and a belt hole (14), specifically, the concave columns (1) are symmetrically arranged at two sides of the belt hole (14), an upper baffle (4) connected with the concave columns in a sliding manner is arranged at the upper part between the two concave columns (1), a fixed point (5) is arranged at the top of the upper baffle (4), the fixed point (5) is connected with an electric hydraulic push rod (8) through a telescopic rod (7), the electric hydraulic push rod (8) is connected with a switch (9), an upper belt (3) is arranged below the upper baffle (4), a middle baffle (10) is arranged below the upper belt (3), a lower baffle plate (12) is arranged below the middle baffle plate (10), and a bottom belt (2) is arranged between the middle baffle plate (10) and the lower baffle plate (12).
2. The belt ventilation door backflow prevention device is characterized in that one side of the middle baffle plate (10) is rotatably connected with one of the concave columns (1) through a middle baffle plate hinge (11), a middle stop is arranged on the other side of the middle baffle plate (10) and used for being in butt joint with the other concave column (1) through a hook (17) of the middle stop, one side of the lower baffle plate (12) is rotatably connected with one of the concave columns (1) through a lower baffle plate hinge (13), and a lower baffle plate hook (18) is arranged on the other side of the lower baffle plate (12) and used for being in butt joint with the other concave column (1).
3. The belt air flap backflow preventer according to claim 2, wherein the lower baffle hinge (13) and the middle baffle hinge (11) are located on the same female pillar (1).
4. The belt ventilation door backflow preventing device as claimed in claim 1 or 2, wherein the upper belt (3), the bottom surface of the upper baffle (4) and the top surface of the middle baffle (10) are all arc-shaped.
5. The belt ventilation door backflow preventing device as claimed in claim 1 or 2, wherein the telescopic rod (7) is provided with adjusting columns (6) on two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022135678.4U CN213540459U (en) | 2020-09-25 | 2020-09-25 | Belt crosses air door and prevents device against current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022135678.4U CN213540459U (en) | 2020-09-25 | 2020-09-25 | Belt crosses air door and prevents device against current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213540459U true CN213540459U (en) | 2021-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022135678.4U Active CN213540459U (en) | 2020-09-25 | 2020-09-25 | Belt crosses air door and prevents device against current |
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| Country | Link |
|---|---|
| CN (1) | CN213540459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278358A (en) * | 2021-12-20 | 2022-04-05 | 贵州盘江精煤股份有限公司 | Belt air door or scraper-trough conveyer air door anti-reflux device |
-
2020
- 2020-09-25 CN CN202022135678.4U patent/CN213540459U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278358A (en) * | 2021-12-20 | 2022-04-05 | 贵州盘江精煤股份有限公司 | Belt air door or scraper-trough conveyer air door anti-reflux device |
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