CN219176378U - Device for preventing air door from being deformed under pressure - Google Patents
Device for preventing air door from being deformed under pressure Download PDFInfo
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- CN219176378U CN219176378U CN202223413135.XU CN202223413135U CN219176378U CN 219176378 U CN219176378 U CN 219176378U CN 202223413135 U CN202223413135 U CN 202223413135U CN 219176378 U CN219176378 U CN 219176378U
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- air door
- compression
- frame
- door frame
- air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The utility model provides a device for preventing a damper from being deformed under pressure, which solves the problems of unstable ventilation system caused by deformation damage, difficult switching of the damper and air leakage of the damper in a pressure zone, and ensures the ventilation and prevention safety of a mine; in order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a prevent air door compressive deformation device, includes the undercut of setting around tunnel country rock, sets up the structure in the undercut, the structure is including setting up the foundation in the bottom, and the foundation both sides set up the wall body, and the wall body top sets up the vault, and the structure inboard sets up the resistance to compression frame, sets up the air door frame in the resistance to compression frame, leaves between air door frame and the resistance to compression frame and establishes the buffer space, sets up the air door in the air door frame. Through setting up the buffer space of reserving between resistance to compression frame and the air door frame, after the tunnel is pressed, with the pressure transmission for resistance to compression frame, prevent the purpose of air door deformation.
Description
Technical Field
The utility model relates to the technical field of mine safety, in particular to a device for preventing a damper from being deformed under pressure.
Background
At present, in the exploitation process of a deep well and a thick coal seam of China, as coal seam coal quality is soft, ground stress is high, faults are mostly encountered in the tunneling process of a roadway, underground water is relatively developed, roof separation and large deformation are mostly caused in the roadway under the existing supporting adjustment, and the crushed and expanded deformation of coal and rock is serious. The existing ventilation facilities are severely stressed, the wall body is cracked, the air door is deformed and is not tightly closed or can not be automatically closed, and the maintenance amount is very heavy. The air door is an important structure in the mine ventilation system, is used for isolating the air flow, creates conditions for distributing the air flow of the mine as required, and simultaneously provides convenience for pedestrians and transportation. Is one of the most important components for ensuring ventilation safety underground; the air flow device is used for isolating the air flow of the tunnel or limiting the air quantity passing through the tunnel, so that the air quantity requirement of the place needing air is ensured, and personnel and vehicles can pass through.
At present, a conventional air door is installed in a roadway and is connected with a frame, most of outer frames are hard-connected, when the air door is installed in a high-pressure roadway, the roadway is large in deformation, the outer frames of the air door are pressed along with the roadway, the outer frames are pressed and deformed, the door body structure is deformed, the air door cannot be normally opened, and if an emergency happens, people in the roadway cannot open the air door and withdraw in time, so that serious consequences can be caused.
Along with the increase of mining depth, the roadway is severely stressed and deformed, the bottom plate bulges, so that the air door connecting rod or the door leaf and the door frame are stressed and deformed and damaged, and the opening and closing are difficult.
Disclosure of Invention
Aiming at the problems, the utility model provides a device for preventing the air door from being deformed under pressure, which solves the problem that the air door in a pressure area is damaged and deformed due to the deformation of a roadway.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model relates to a device for preventing a damper from being deformed under pressure,
comprises a cut arranged around a roadway surrounding rock, a structure arranged in the cut, the structure comprises a foundation arranged at the bottom, walls arranged at two sides of the foundation, and a vault arranged at the top of the wall,
the inner side of the structure is provided with a rectangular compression-resistant frame, the compression-resistant frame is formed by welding I-shaped steel beams, an air door frame is arranged in the compression-resistant frame, a buffer space is reserved between the air door frame and the compression-resistant frame, sealing materials are filled in the buffer space, and an air door is arranged in the air door frame.
According to the device for preventing the air door from being deformed under pressure, the whole air door frame is fixed on the compression-resistant frame through the first connecting piece, and the bottom of the air door frame is provided with the embedding parts which are bilaterally symmetrical and embedded in the structure.
According to the device for preventing the air door from being pressed and deformed, a group of symmetrical handles are arranged on the air door close to the middle of the air door, observation windows are arranged on the upper half of the air door, a plurality of groups of air adjusting windows are arranged on the lower half of the air door, and a transmission rod is arranged between the outer side of the bottom of the air door and a door frame of the air door.
According to the device for preventing the air door from being deformed under pressure, the bottom of the roadway is provided with the concave foundation, and the bottom of the air door frame is embedded into the concave foundation.
According to the device for preventing the air door from being deformed under pressure, the first connecting piece is a bolt and a nut.
The utility model is characterized in that:
the buffer space is reserved between the compression-resistant frame and the air door frame, and after the roadway is compressed, the pressure is transmitted to the compression-resistant frame to prevent the air door from deforming, so that air leakage caused by the compression deformation of the air door is prevented; the existence of windless and breeze areas is avoided, and the short circuit of wind current is prevented; the occurrence of accidents is fundamentally prevented, the intrinsic safety of mine ventilation is ensured, and the disaster resistance of the mine is improved.
Drawings
FIG. 1 is a schematic illustration of the present utility model;
FIG. 2 is an enlarged view of a portion of the present utility model;
FIG. 3 is a schematic view of the compression resistant frame and damper door frame connection of the present utility model.
Reference numerals: 1. compression-resistant frame, 2, air door frame, 3, air door, 4, inlay, 5, first connecting piece, 6, handle, 7, observation window, 8, wind adjusting window, 9, transfer line, 10, second connecting piece, 11, sealed packing 12, undercut, 13, ground, 14, wall body, 15, vault.
Detailed Description
The following description of preferred embodiments of the present utility model is given in conjunction with the accompanying drawings, it being understood that the preferred embodiments described herein are merely for the purpose of illustration and explanation of the present utility model, and not for the purpose of limiting the same.
It should be noted that, the directions or positional relationships indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model.
Fig. 1 to 3 show an embodiment of the present utility model.
The device for preventing the air door from being deformed under pressure comprises a cut arranged around surrounding rocks of a roadway, wherein a structure is arranged in the cut, the structure comprises a foundation arranged at the bottom, two sides of the foundation are provided with walls, the tops of the walls are provided with vaults, the inner side of the structure is provided with a compression-resistant frame 1, an air door frame 2 is arranged in the compression-resistant frame 1, and a buffer space is reserved between the air door frame 2 and the compression-resistant frame 1. The buffer space is filled with sealing materials to realize air flow isolation sealing. The sealing material is deformed under pressure.
The air door 3 is arranged in the air door frame 2, the structure enables the wall body to be connected with the coal rock body, air leakage is not easy to occur, and a certain supporting effect is achieved. The air door frame 2 is wholly inlaid on the compression-resistant frame 1, a plurality of groups of first connecting pieces 5 are arranged between the compression-resistant frame 1 and the air door frame 2, after a roadway is pressed, the compression-resistant frame 1 is pressed, the first connecting pieces 5 are adjusted, the compression of the air door frame 2 is reduced, and the deformation of the air door 3 is prevented. The bottom of the air door frame 2 is provided with a bilaterally symmetrical embedded part 4, the embedded part 4 is provided with a first connecting piece 5, and the embedded part 4 is embedded in a foundation in a structure.
Set up two air doors 3 of bilateral symmetry in the air door frame 2, air door 3 is close to central middle part and sets up a set of symmetrical handle 6, makes things convenient for staff to operate people's switch, convenient and fast, and air door 3 upper half sets up observation window 7, conveniently observes the inside and outside condition of air door 3, has the flexibility, and air door 3 lower half sets up multiunit air regulating window 8, conveniently adjusts the amount of wind, sets up transfer line 9 between air door 3 bottom outside and air door 3 door frame 2, and the security performance is good, reduces the wearing and tearing to air door 3, and the bearing capacity is strong.
In the utility model, the compression-resistant frame 1 is an I-shaped steel beam, and the compression-resistant frame of the foundation at the bottom of the roadway is arranged in a concave shape. The I-shaped steel beam is convenient to set up bolts and nuts, the concave shape is used for fixing the bottom compression-resistant frame 1, the air door frame is convenient to adjust when a roadway is pressed, the air door frame is prevented from being extruded directly, and accordingly air leakage caused by compression deformation of the air door 3 is prevented. The air door with stable structure can prevent no wind and breeze areas from being existed, prevent wind flow from being short-circuited, ensure mine ventilation intrinsic safety and improve mine disaster resistance.
The first connecting piece 5 is a bolt and a nut, a plurality of groups of first through holes are formed in the air door frame 2, a plurality of groups of second through holes corresponding to the first through holes are formed in the outer side of the air door 3, a second connecting piece 10 is arranged between the first through holes and the second through holes, and the second connecting piece 10 is a screw.
Working principle: the device is installed and used according to the place where the device is required to be installed or replaced, and is correspondingly improved and perfected according to the actual condition of the site. Because roof comes to press and the bottom bulge phenomenon, the air door 3 that adopts installation resistance to compression frame 1 principle to resist tunnel and bottom plate to come to press and cause warp, can improve air door 3 and block on the basis that the wind flows and pass, effectively improve air door 3's stability and utilization ratio to make air door 3 air leakage rate effectively reduce, improve mine ventilation system's stability.
The actual conditions comprise roadway pressure of the installation site of the air door 3 for analysis and research.
(1) According to the mine exploitation depth, the roadway support form and the roof property of the building air door 3 site, the primary pressure and the periodic pressure of the roof of the roadway and the support strength and the stress change and stress influence range in the surrounding rock destruction activity process are mastered;
(2) According to the roadway pressure analysis result, the material of the compression-resistant air door frame 2 and the place where the air door 3 needs to be installed are determined, the pressure area is avoided as much as possible, and damage to the air door 3 is reduced.
The foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents of some of the features described in the foregoing embodiments may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. A device for preventing a damper from being deformed under pressure is characterized in that,
comprises a cut arranged around a roadway surrounding rock, a structure arranged in the cut, the structure comprises a foundation arranged at the bottom, walls arranged at two sides of the foundation, and a vault arranged at the top of the wall,
the inner side of the structure is provided with a rectangular compression-resistant frame (1), the compression-resistant frame (1) is formed by welding steel I-beams, an air door frame (2) is arranged in the compression-resistant frame (1), a buffer space is reserved between the air door frame (2) and the compression-resistant frame (1), sealing materials are filled in the buffer space, and an air door (3) is arranged in the air door frame (2).
2. The device for preventing the compression deformation of the air door according to claim 1, wherein the air door frame (2) is integrally fixed on the compression-resistant frame (1) through a first connecting piece (5), and the bottom of the air door frame (2) is provided with bilaterally symmetrical embedded parts (4), and the embedded parts (4) are embedded into a structure.
3. The device for preventing air door compression deformation according to claim 1, wherein a group of symmetrical handles (6) is arranged near the middle of the air door (3), an observation window (7) is arranged at the upper half part of the air door (3), a plurality of groups of air adjusting windows (8) are arranged at the lower half part of the air door (3), and a transmission rod (9) is arranged between the outer side of the bottom of the air door (3) and the air door frame (2).
4. A device for preventing compression deformation of a damper according to claim 1, wherein the bottom of the tunnel is provided with a concave foundation, and the bottom of the damper door frame is embedded in the concave foundation.
5. A device for preventing compression set of a damper according to claim 2, characterized in that said first connecting element (5) is a bolt and a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223413135.XU CN219176378U (en) | 2022-12-20 | 2022-12-20 | Device for preventing air door from being deformed under pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223413135.XU CN219176378U (en) | 2022-12-20 | 2022-12-20 | Device for preventing air door from being deformed under pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219176378U true CN219176378U (en) | 2023-06-13 |
Family
ID=86671377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223413135.XU Active CN219176378U (en) | 2022-12-20 | 2022-12-20 | Device for preventing air door from being deformed under pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219176378U (en) |
-
2022
- 2022-12-20 CN CN202223413135.XU patent/CN219176378U/en active Active
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