CN217327394U - Bidirectional anti-shock wave air door - Google Patents
Bidirectional anti-shock wave air door Download PDFInfo
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- CN217327394U CN217327394U CN202220700789.1U CN202220700789U CN217327394U CN 217327394 U CN217327394 U CN 217327394U CN 202220700789 U CN202220700789 U CN 202220700789U CN 217327394 U CN217327394 U CN 217327394U
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- hinge
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- activity
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- 230000000703 anti-shock Effects 0.000 title claims description 14
- 230000002457 bidirectional effect Effects 0.000 title claims description 13
- 230000000694 effects Effects 0.000 claims abstract description 21
- 230000035939 shock Effects 0.000 claims abstract description 19
- 230000005484 gravity Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 abstract description 6
- 238000005422 blasting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model relates to a mine ventilation technology field especially relates to a two-way protecting against shock ripples air door, including outside fixed door frame, inside door frame and activity door plant, the inboard that outside fixed door frame is relative is equipped with inside door frame through the hinge, and the equidistance is equipped with the mobile door frame of a plurality of and the little door plant of activity on the inside door frame, and the hinge activity round pin axle is inserted in the clearing hole at left end fixed hinge, middle part fixed hinge, right end fixed hinge, left side activity hinge and right side activity hinge middle part. The utility model discloses in, when improving activity wicket rigidity, still can reduce the impact wave to the influence of hinge, the activity wicket can be according to the automatic pressure release of opening of impact wave direction to reduce the impact of the door body, can also utilize the dead weight to realize the self-closing of door leaf, through carrying out redesign and improvement to the air door structure in the pit, improve its shock wave resistance ability by a wide margin, reduce the fault rate, ensure the normal ventilation in the pit.
Description
Technical Field
The utility model relates to a mine ventilation technical field especially relates to a two-way protecting against shock ripples air door.
Background
In order to ensure the safe production of underground mines, air doors are often arranged on related routes according to ventilation design requirements and are affected by underground blasting shock waves, the phenomenon that the air doors are deformed and damaged due to overlarge shock waves is common, the cost is high, and the failure rate is relatively high, so that a bidirectional anti-shock wave air door is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a bidirectional anti-shock wave air door.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a bidirectional anti-shock wave air door comprises an external fixed door frame, an internal door frame and a movable small door plate, wherein the inner side of the external fixed door frame, which is opposite to the internal door frame, is provided with the internal door frame through a hinge;
a plurality of movable door frames are arranged on the inner door frame at equal intervals, and movable small door plates are welded on the inner walls of the movable door frames;
the left end fixed hinge, the middle fixed hinge and the right end fixed hinge of the movable small door plate are respectively arranged at the left, middle and right positions of the lower edge of the upper frame of the internal door frame;
the left side and the right side of the upper edge of the movable doorframe are symmetrically provided with a left movable hinge and a right movable hinge;
hinge movable pin shafts are inserted into the through holes in the middle parts of the left fixed hinge, the middle fixed hinge, the right fixed hinge, the left movable hinge and the right movable hinge;
in addition, the preferred structure is that inside door frame adopts square pipe welding to form to the end frame of inside door frame is gone up along being provided with the arc wall structure.
In addition, the preferred structure is that the left end fixed hinge, the middle fixed hinge, the right end fixed hinge, the left movable hinge and the right movable hinge all adopt tubular structures.
In addition, the preferable structure is that the movable small door plate is made of a hot rolled plate, and the movable door frame is welded by steel pipes and can be opened in a front-back two-way mode.
In addition, preferred structure is, when no shock wave, activity door plant can self-closing under the action of gravity, and movable door frame base frame is followed down and can be formed an arc gap along the arc wall with inside door frame base frame on to reduce the amount of wind and leak.
In addition, the preferred structure is that, when the shock wave arrived, the movable door plant made its overcome gravity influence under the effect of impact air current to hinge activity round pin axle makes circular motion as the axle center, realizes the function that the air door opened the pressure release, and the air current pressure that acts on it after the air door was opened will greatly reduced, can effectively avoid the air door to receive the shock wave influence and damage.
The utility model has the advantages that:
the utility model discloses in, when improving activity wicket rigidity, still can reduce the impact wave to the influence of hinge, the activity wicket can be according to the automatic pressure release of opening of impact wave direction to reduce the impact of the door body, can also utilize the dead weight to realize the self-closing of door leaf, through carrying out redesign and improvement to the air door structure in the pit, improve its shock wave resistance ability by a wide margin, reduce the fault rate, ensure the normal ventilation in the pit.
Drawings
Fig. 1 is a front view of a bidirectional anti-shock wave air door provided by the present invention;
fig. 2 is a schematic structural view of a movable small door plate and a movable door frame in a bidirectional anti-shock wave air door provided by the present invention;
fig. 3 is a schematic sectional view of a movable small door plate and a movable door frame in a bidirectional anti-shock wave air door according to the present invention.
In the figure: 101 left end fixed hinge, 102 middle part fixed hinge, 103 right end fixed hinge, 201 left movable hinge, 202 right movable hinge, 3 inside door frame, 4 movable door frame, 5 movable door plate, 6 hinge movable pin shafts, 7 outside fixed door frame, 8 hinge.
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 for simplicity of description, but 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.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-3, a bidirectional anti-shock wave air door comprises an external fixed door frame 7, an internal door frame 3 and a movable small door plate 5, wherein the internal door frame 3 is arranged on the opposite inner side of the external fixed door frame 7 through a hinge 8;
in other embodiments, the inner door frame 3 is formed by welding square pipes, and an arc-shaped groove structure is arranged on the upper edge of the bottom frame of the inner door frame 3;
through the design, when no shock wave exists, the movable small door panel 5 can be automatically closed under the action of gravity, and an arc-shaped gap can be formed between the lower edge of the bottom frame of the movable door frame 4 and the arc-shaped groove arranged on the upper edge of the bottom frame of the inner door frame 3, so that the air leakage is reduced;
a plurality of movable door frames 4 are arranged on the inner door frame 3 at equal intervals, and movable small door plates 5 are welded on the inner walls of the movable door frames 4;
in other embodiments, the movable small door plate 5 is made of a hot rolled plate, and the movable door frame 4 is welded by steel pipes and can be opened in a front-back two-way mode;
through the design, the movable small door plate 5 made of the hot rolled plate is arranged between the movable door frames 4 welded by steel pipes, and the movable small door plate 5 can be opened in a front-back two-way manner, so that the effect of preventing impact waves in a two-way manner at the later stage is better facilitated;
the left end fixed hinge 101, the middle fixed hinge 102 and the right end fixed hinge 103 of the movable small door panel 5 are respectively arranged at the left, middle and right positions of the lower edge of the upper frame of the inner door frame 3;
through the design, the left, middle and right positions of the lower edge of the upper frame of the inner door frame 3 are opposite to the positions of the left fixed hinge 101, the middle fixed hinge 102 and the right fixed hinge 103 one by one, so that the movable small door plate 5 can be assembled with the corresponding mounting position on the inner door frame 3 better;
the left and right sides of the upper edge of the upper frame of the movable doorframe 4 are symmetrically provided with a left movable hinge 201 and a right movable hinge 202;
in other embodiments, the left fixed hinge 101, the middle fixed hinge 102, the right fixed hinge 103, the left movable hinge 201 and the right movable hinge 202 are all tubular structures;
a hinge movable pin shaft 6 is inserted into a through hole in the middle of the left end fixed hinge 101, the middle fixed hinge 102, the right end fixed hinge 103, the left movable hinge 201 and the right movable hinge 202;
through the design, the hinge movable pin shaft 6 penetrates through the tubular structures among the left fixed hinge 101, the middle fixed hinge 102, the right fixed hinge 103, the left movable hinge 201 and the right movable hinge 202 in sequence, so that the movable small door panel 5 can better perform circular motion along with the hinge movable pin shaft 6;
when the shock wave comes, the movable small door plate 5 overcomes the influence of gravity under the action of the shock air flow and circularly moves by taking the hinge movable pin shaft 6 as an axis, so that the function of opening and pressure relief of the air door is realized, the air flow pressure acting on the air door is greatly reduced after the air door is opened, and the air door can be effectively prevented from being damaged due to the influence of the shock wave;
in this embodiment, the utility model discloses in, when improving activity wicket rigidity, still can reduce the impact wave to the influence of hinge, the activity wicket can be according to the automatic pressure release of opening of impact wave direction to reduce the impact of the door body, can also utilize the dead weight to realize the self-closing of door leaf, through carrying out redesign and improvement to the air door structure in the pit, improve its shock wave resistance ability by a wide margin, reduce the fault rate, ensure the normal ventilation in the pit.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a two-way protecting against shock ripples air door, includes outside fixed door frame (7), inside door frame (3) and activity door plant (5), its characterized in that, the inboard that outside fixed door frame (7) is relative is provided with inside door frame (3) through hinge (8), equidistantly on inside door frame (3) be provided with mobile door frame (4) of a plurality of to the inner wall welding of mobile door frame (4) is provided with activity door plant (5), the left end fixed hinge (101), the fixed hinge (102) in middle part and the fixed hinge (103) in right end of activity door plant (5) set up respectively on the left and middle, right three position on edge under inside door frame (3), the left and right sides symmetry on edge is provided with left activity hinge (201) and right activity hinge (202) on the frame on mobile door frame (4), left end fixed hinge (101) and right activity hinge (202), A hinge movable pin shaft (6) is inserted into the through hole in the middle of the middle fixed hinge (102), the right fixed hinge (103), the left movable hinge (201) and the right movable hinge (202).
2. The bidirectional anti-shock wave air door according to claim 1, characterized in that the inner door frame (3) is formed by square tube welding, and an arc-shaped groove structure is arranged on the bottom frame of the inner door frame (3).
3. The bi-directional anti-shock wave damper according to claim 1, wherein the left end fixed hinge (101), the middle fixed hinge (102), the right end fixed hinge (103), the left movable hinge (201) and the right movable hinge (202) are all of a tubular structure.
4. The bidirectional anti-shock wave air door according to claim 1, wherein the movable small door plate (5) is made of a hot rolled plate, and the movable door frame (4) is welded by a steel pipe and can be opened in a front-back bidirectional manner.
5. The two-way anti-shock wave air door according to claim 1, characterized in that when there is no shock wave, the movable small door panel (5) will automatically close under the action of gravity, and an arc gap can be formed between the lower edge of the bottom frame of the movable door frame (4) and the arc groove of the upper edge of the bottom frame of the inner door frame (3) to reduce the air leakage.
6. The bidirectional anti-shock wave air door according to claim 1, characterized in that when shock waves arrive, the movable small door plate (5) overcomes the influence of gravity under the action of shock air flow, and performs circular motion by taking the hinge movable pin shaft (6) as an axis, so that the function of opening and pressure relief of the air door is realized, after the air door is opened, the air flow pressure acting on the air door is greatly reduced, and the air door can be effectively prevented from being damaged due to the influence of the shock waves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220700789.1U CN217327394U (en) | 2022-03-29 | 2022-03-29 | Bidirectional anti-shock wave air door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220700789.1U CN217327394U (en) | 2022-03-29 | 2022-03-29 | Bidirectional anti-shock wave air door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217327394U true CN217327394U (en) | 2022-08-30 |
Family
ID=83002965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220700789.1U Active CN217327394U (en) | 2022-03-29 | 2022-03-29 | Bidirectional anti-shock wave air door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217327394U (en) |
-
2022
- 2022-03-29 CN CN202220700789.1U patent/CN217327394U/en active Active
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