CN220667614U - Emergency ventilation device for magnesite underground mine - Google Patents
Emergency ventilation device for magnesite underground mine Download PDFInfo
- Publication number
- CN220667614U CN220667614U CN202321747206.1U CN202321747206U CN220667614U CN 220667614 U CN220667614 U CN 220667614U CN 202321747206 U CN202321747206 U CN 202321747206U CN 220667614 U CN220667614 U CN 220667614U
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- CN
- China
- Prior art keywords
- cover plate
- plate
- bar
- protective cover
- top straight
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Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 24
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 title claims abstract description 21
- 235000014380 magnesium carbonate Nutrition 0.000 title claims abstract description 21
- 239000001095 magnesium carbonate Substances 0.000 title claims abstract description 21
- 229910000021 magnesium carbonate Inorganic materials 0.000 title claims abstract description 21
- 230000001681 protective effect Effects 0.000 claims abstract description 38
- 210000001503 joint Anatomy 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 239000002689 soil Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 208000000059 Dyspnea Diseases 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 229910001748 carbonate mineral Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Landscapes
- Ventilation (AREA)
Abstract
The utility model discloses an emergency ventilation device for a magnesite underground mine, which belongs to the field of mine ventilation devices and comprises a fan, wherein a fixed seat is arranged at the bottom of the fan, an air guide pipe is arranged at the rear of the fan, a plurality of transverse plates are arranged at the rear of the fixed seat, bottom loop bars are arranged at two ends of the transverse plates, inclined support bars are arranged at the bottom positions of the front end surface and the rear end surface of the bottom loop bars, top straight bars capable of being adjusted up and down are arranged at the upper end surface of the bottom loop bars, the top straight bars are respectively positioned at two sides of the air guide pipe, a protective cover plate is arranged above the top straight bars, an inner wall leaning plate is arranged at the inner side of the protective cover plate, an inclined baffle plate is arranged at the outer side of the protective cover plate, an outer cover plate is arranged at the bottom of the inclined baffle plate, the air guide pipe is arranged at the rear of the fan, a plurality of pairs of bottom loop bars capable of buffering rebound and the top straight bars are arranged above the air guide pipe through the top straight bars, so that the protective cover plate is arranged above the air guide pipe to promote the protection performance of the ventilation device and timely ventilation under emergency conditions.
Description
Technical Field
The utility model relates to the field of mine ventilation devices, in particular to an emergency ventilation device for a magnesite underground mine.
Background
Magnesite is a kind of magnesium carbonate mineral, and magnesite crystal belongs to the carbonate mineral of trigonal system, usually takes the form of grain or aphanitic compact lump, and it is the main source of magnesium, and magnesite is formed by biological action under the condition of hypoxia, usually in metamorphic sedimentary rock, therefore magnesite often carries out exploitation processing in underground mine, because underground mine structure is complicated, air flow is relatively poor, once emergency such as partial collapse, harmful gas leakage etc. takes place, air flow is further obstructed, leads to the oxygen content in the underground mine to be insufficient easily, makes the stranded personnel in the mine dyspnea, also influences the rescue simultaneously, causes inconvenience.
Disclosure of Invention
The utility model mainly aims to provide an emergency ventilation device for a magnesite underground mine field, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an emergent ventilation unit in magnesite underground mine, includes the fan, the fan bottom is provided with the fixing base, the fan rear is provided with the guide duct, the fixing base rear is provided with a plurality of diaphragm, the diaphragm both ends are provided with the bottom loop bar, terminal surface bottom position all is provided with the diagonal bracing around the bottom loop bar, the bottom loop bar up end is provided with the top straight-bar that can adjust from top to bottom, the top straight-bar is located the guide duct both sides position respectively, top straight-bar top is provided with the protective cover plate, the protective cover plate inboard is provided with the wall inner panel, the protective cover plate outside is provided with the inclined plane baffle, inclined plane baffle bottom is provided with outer cover plate.
Preferably, the transverse plate is fixed with the bottom loop bar through welding, the lower end surface of the bottom loop bar is at the same height with the lower end surface of the fixed seat, and the protective cover plate is positioned above the air guide pipe.
Preferably, the protective cover plate is fixed with the inclined baffle through welding, the inclined angle of the inclined baffle is forty-five degrees, the butt joint plate is arranged on the lower end face of the protective cover plate corresponding to the top straight rod, the butt joint hole is arranged on the lower end face of the butt joint plate, and the head of the top straight rod extends into the butt joint hole.
Preferably, a frame plate is arranged at the top position between the bottom loop bars, an arc-shaped supporting plate is arranged at the middle position of the upper end face of the frame plate, and the arc-shaped supporting plate is positioned below the air guide pipe.
Preferably, the bottom loop bar up end is provided with spacing hole, top straight-bar movable mounting is in spacing hole, spacing hole below is provided with interior straight-hole, top straight-bar afterbody stretches into interior straight-hole and is provided with the lift baffle.
Preferably, the bottom of the inner straight hole is provided with a base plate, the upper end surface of the base plate is provided with a spring, and the top of the spring is connected to the lower end surface of the lifting partition plate.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the air guide pipe is arranged at the rear of the fan, the pairs of bottom loop bars and top straight bars capable of buffering rebound are arranged at the two sides of the air guide pipe, and the protective cover plate is arranged above the air guide pipe through the top straight bars, so that the protective performance of the ventilation device is improved, timely ventilation under emergency conditions is ensured, broken stones and soil blocks can be effectively guided and blocked through arranging the inner side and the outer side of the protective cover plate by virtue of the wall inner plate, the inclined plane baffle plate and the outer cover plate, damage to the air guide pipe caused by collapse is avoided, and normal use of the ventilation device under emergency conditions is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of an air duct according to the present utility model;
fig. 3 is a bottom stock split schematic of the present utility model.
In the figure: 1. a blower; 2. a fixing seat; 3. an air guide pipe; 4. a bottom loop bar; 5. a diagonal brace; 6. a top straight rod; 7. a protective cover plate; 8. a wall inner plate; 9. an inclined baffle; 10. an outer cover plate; 11. an abutting plate; 12. a butt joint hole; 13. a frame plate; 14. an arc-shaped supporting plate; 15. a cross plate; 16. a limiting hole; 17. lifting the partition plate; 18. an inner straight hole; 19. a backing plate; 20. and (3) a spring.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-3, an emergency ventilation device for a magnesite underground mine comprises a fan 1, a fixing seat 2 is arranged at the bottom of the fan 1, an air guide pipe 3 is arranged at the rear of the fan 1, a plurality of transverse plates 15 are arranged at the rear of the fixing seat 2, bottom sleeve rods 4 are arranged at two ends of the transverse plates 15, inclined supporting rods 5 are arranged at the bottom positions of the front end surface and the rear end surface of the bottom sleeve rods 4, top straight rods 6 capable of being adjusted up and down are arranged at the upper end surface of the bottom sleeve rods 4, the top straight rods 6 are respectively positioned at two sides of the air guide pipe 3, a protective cover plate 7 is arranged above the top straight rods 6, a wall inner plate 8 is arranged at the inner side of the protective cover plate 7, an inclined baffle 9 is arranged at the outer side of the protective cover plate 7, an outer cover plate 10 is arranged at the bottom of the inclined baffle 9, a plurality of pairs of springback bottom sleeve rods 4 and the top straight rods 6 are arranged at two sides of the air guide pipe 3, and the protective cover plates 7 are arranged above the air guide pipe 3 through the top straight rods 6 so as to promote the protection performance of the ventilation device, and simultaneously, the inner side and outer side of the protective cover 7 is provided with a wall 8, the inclined baffle plates 9 and the inclined baffle plates 9 are arranged at the inner side of the protective cover 7 and the inner side of the protective cover plate and the protective cover plate is effectively prevented from being damaged when the dust is used, and the normal ventilation device is prevented from being collapsed, and the normal under the normal condition, and the ventilation condition is caused.
In this embodiment, in order to install the protective cover 7 conveniently, make it complete and fix with the top straight rod 6, fix through welding between bottom loop bar 4 and the cross plate 15, the lower end face of the bottom loop bar 4 is in the same height with the lower end face of the fixed seat 2, the protective cover 7 is located above the air guide pipe 3, fix through welding between protective cover 7 and inclined baffle 9, and the inclination angle of the inclined baffle 9 is forty-five degrees, the lower end face of the protective cover 7 is provided with the butt plate 11 corresponding to the top straight rod 6, the lower end face of the butt plate 11 is provided with the butt hole 12, the head of the top straight rod 6 stretches into the butt hole 12;
in the embodiment, in order to conveniently support the air guide pipe 3, ensure the stability of the air guide pipe 3, a frame plate 13 is arranged at the top position between the bottom sleeve rods 4, an arc-shaped supporting plate 14 is arranged at the middle position of the upper end surface of the frame plate 13, and the arc-shaped supporting plate 14 is positioned below the air guide pipe 3;
in this embodiment, in order to make the top straight-bar 6 can be adjusted the motion from top to bottom after pressing to have certain buffering effect, with the protection effect of guarantee protection apron 7, avoid damaging guide duct 3 of below when collapsing, bottom loop bar 4 up end is provided with spacing hole 16, top straight-bar 6 movable mounting is in spacing hole 16, and spacing hole 16 below is provided with interior straight-bar 18, and top straight-bar 6 afterbody stretches into interior straight-bar 18 and is provided with lift baffle 17, and interior straight-bar 18 bottom is provided with backing plate 19, and backing plate 19 up end is provided with spring 20, and spring 20 top is connected to lift baffle 17 lower extreme face.
It should be noted that, the utility model is an emergency ventilation device for magnesite underground mine, firstly, moving the fixing seat 2 and the blower 1 into the magnesite underground mine, making the blower 1 located in the working area of personnel and close to one side wall, then installing the air guide pipe 3, the other end of the air guide pipe 3 is connected to the outside of the mine and is communicated with the upper part of the ground, when the blower 1 works, fresh air from the outside can be introduced, while installing the air guide pipe 3, also installing the cross plate 15, the bottom loop bar 4 and the top straight bar 6 in turn, simultaneously supporting the air guide pipe 3 by using the arc supporting plate 14 above the frame plate 13, then installing each protective cover plate 7 above the top straight bar 6 in turn, making the butt joint plate 11 of the lower end surface of the protective cover plate 7 cooperate with the head of the top straight bar 6 to fix, making the head of the top straight bar 6 extend into the butt joint hole 12, simultaneously, the inner wall plate 8 of the wall leaning on the inner side of the protective cover plate 7 is tightly attached to one side wall surface of an underground mine, the installation is further completed, when collapse or gas leakage occurs, fallen soil blocks and stones fall to the upper end surface of the protective cover plate 7, meanwhile, the protective cover plate 7 is enabled to move downwards by impact, further, the top straight rod 6 below the protective cover plate is extruded through the butt plate 11, the top straight rod 6 drives the connected lifting partition plate 17 to move downwards, the spring 20 below the protective cover plate is extruded when the lifting partition plate 17 moves, the spring 20 is compressed under the stress, so that the impact received is buffered, the protective cover plate 7 can rebound and lift after being compressed, thereby avoiding the damage of the air guide pipe 3 caused by falling of the soil blocks and stones, after the dangerous situation occurs, the inside trapped person can find the fan 1 at the wall body, and start the fan 1, the fan 1 introduces external fresh air through the air guide pipe 3, so that the circulation exchange of the inside air and outside air is realized, so as to ensure the normal respiration of trapped people inside, provide more sufficient time for rescue operation and ensure the safety of operators in the magnesite underground mine.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an emergent ventilation unit in magnesite underground mine, includes fan (1), fan (1) bottom is provided with fixing base (2), fan (1) rear is provided with guide duct (3), its characterized in that: fixing base (2) rear is provided with a plurality of diaphragm (15), diaphragm (15) both ends are provided with bottom loop bar (4), terminal surface bottom position all is provided with diagonal brace (5) around bottom loop bar (4), bottom loop bar (4) up end is provided with top straight-bar (6) that can adjust from top to bottom, top straight-bar (6) are located guide duct (3) both sides position respectively, top straight-bar (6) top is provided with protective cover plate (7), protective cover plate (7) inboard is provided with wall inner panel (8), protective cover plate (7) outside is provided with inclined baffle (9), inclined baffle (9) bottom is provided with outer cover plate (10).
2. An emergency ventilation device for an underground magnesite mine site according to claim 1, wherein: the transverse plate (15) is fixed with the bottom loop bar (4) through welding, the lower end face of the bottom loop bar (4) and the lower end face of the fixed seat (2) are positioned at the same height, and the protective cover plate (7) is positioned above the air guide pipe (3).
3. An emergency ventilation device for an underground magnesite mine site according to claim 1, wherein: the protection cover plate (7) is fixed with the inclined baffle (9) through welding, the inclination of the inclined baffle (9) is forty-five degrees, the butt joint plate (11) is arranged on the lower end face of the protection cover plate (7) corresponding to the top straight rod (6), the butt joint hole (12) is arranged on the lower end face of the butt joint plate (11), and the head of the top straight rod (6) stretches into the butt joint hole (12).
4. An emergency ventilation device for an underground magnesite mine site according to claim 1, wherein: the top position between bottom loop bar (4) is provided with frame plate (13), frame plate (13) up end middle part position is provided with arc layer board (14), arc layer board (14) are located guide duct (3) below position.
5. An emergency ventilation device for an underground magnesite mine site according to claim 1, wherein: the utility model discloses a lifting device, including bottom loop bar (4), top straight-bar (6), spacing hole (16) are provided with on the up end of bottom loop bar (4), top straight-bar (6) movable mounting is in spacing hole (16), spacing hole (16) below is provided with interior straight-bar (18), top straight-bar (6) afterbody stretches into interior straight-bar (18) and is provided with lift baffle (17).
6. An emergency ventilation device for an underground magnesite mine of claim 5, wherein: the bottom of the inner straight hole (18) is provided with a base plate (19), the upper end surface of the base plate (19) is provided with a spring (20), and the top of the spring (20) is connected to the lower end surface of the lifting partition plate (17).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2023206184041 | 2023-03-27 | ||
| CN202320618404 | 2023-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220667614U true CN220667614U (en) | 2024-03-26 |
Family
ID=90340499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321747206.1U Active CN220667614U (en) | 2023-03-27 | 2023-07-05 | Emergency ventilation device for magnesite underground mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220667614U (en) |
-
2023
- 2023-07-05 CN CN202321747206.1U patent/CN220667614U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |