CN112177184B - Explosion-proof factory building pressure release equipment - Google Patents
Explosion-proof factory building pressure release equipment Download PDFInfo
- Publication number
- CN112177184B CN112177184B CN202011255775.5A CN202011255775A CN112177184B CN 112177184 B CN112177184 B CN 112177184B CN 202011255775 A CN202011255775 A CN 202011255775A CN 112177184 B CN112177184 B CN 112177184B
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- Prior art keywords
- pressure relief
- triangular
- factory building
- explosion
- baffles
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
Abstract
The invention belongs to the technical field of pressure relief of a factory building, and particularly relates to pressure relief equipment of an explosion-proof factory building, which comprises a plurality of groups of pressure relief modules arranged on a roof; in the invention, the positions where the four triangular baffles are in mutual contact and matching are wrapped by the four water leakage preventing shells, and in rainy days, due to the aging of the sealing strips, rainwater which can enter through the mutual contact and matching positions of the four triangular baffles can flow into the lower side mounting block through the four water leakage preventing shells and flow into the roof from the drain holes in the mounting block to be drained, so that the rainwater is prevented from flowing into a factory building from the mutual contact and matching positions of the four triangular baffles, and the pressure-relief roof has a rainproof function. Each pressure relief unit is provided with a swing induction structure, so that the windward direction can be flexibly and freely adjusted according to the wind direction, and wind vibration is reduced.
Description
Technical Field
The invention belongs to the technical field of pressure relief of a factory building, and particularly relates to pressure relief equipment of an explosion-proof factory building.
Background
The explosion-proof workshop refers to a workshop with explosion risk or a workshop with explosion risk parts in the workshop; the explosion factory building is provided with a pressure relief facility.
The current explosion-proof factory building has the following problems:
firstly, the pressure relief equipment such as a pressure relief window and a pressure relief roof is higher in damage limit during explosion, and still causes certain damage to a factory building; for example, the explosion venting window adopts a steel window frame and is matched with hardware fittings such as a special hinge, a pressure relief device and the like; when the air pressure difference inside and outside the building reaches a certain value, the explosion venting bolt of the pressure relief window automatically falls off, and the window sash automatically opens to discharge pressure outwards; however, the explosion venting bolt needs a certain pressure when falling off, and before the pressure value is not reached, the plant needs to bear the pressure change in the plant before the pressure relief window is opened, so that certain damage is caused to the plant.
Second, on the wall let out explode equipment and for the equipment that explodes of letting out on roof be unsafe relatively, the roof is on the factory building, generally can not cause the secondary damage to people when the pressure release, but the influence of strong wind and rainwater is considered to the pressure release equipment on roof, can not scrape away in the strong wind, can not leak rain when raining, the pressure release has mainly been considered during current equipment design, do not consider when designing on strong wind and the rain leakage, only when the installation, reliably with sealed effect that obtains anti-wind and leak protection rain through the installation, long-time the use, can appear fixed not firm because of the vibrations that sealed ageing of pad and wind arouse, the condition of leaking rain.
The invention designs the explosion-proof factory building pressure relief equipment in the design stage by comprehensively considering three factors of pressure relief, wind prevention and rain leakage prevention to solve the problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention discloses pressure relief equipment for an explosion-proof workshop, which is realized by adopting the following technical scheme.
A pressure relief device for an explosion-proof workshop comprises a plurality of groups of pressure relief modules arranged on a roof.
The pressure relief module comprises a swing sensing structure and a pressure relief unit, wherein the swing sensing structure capable of swinging along with the wind direction is arranged on the upper side of the pressure relief unit.
The pressure relief unit comprises a rotating structure, a fixed supporting structure, a triangular baffle, a transmission rotating shaft, a first gear, an installation rod, a spring, a cross rod, a fixed rod and an installation block, wherein the fixed supporting structure is an annular structure, the fixed supporting structure is fixedly installed on the roof of a factory building, and the rotating structure is rotatably installed on the upper side of the fixed supporting structure; the swing induction structure is arranged on the upper side of the rotating structure, the four mounting blocks are fixedly arranged on the upper side of the rotating structure, and the connecting lines of the four mounting blocks form a square; the four transmission rotating shafts are rotatably arranged on the four mounting blocks, and each transmission rotating shaft corresponds to two mounting blocks; the four transmission rotating shafts are respectively and fixedly provided with a triangular baffle, and the four triangular baffles are closed towards the middle to form four side surfaces of the four centrums; a sealing strip is arranged between two adjacent triangular baffles in the four triangular baffles; four transmission pivots are connected in sequence through gears, a fixing rod is fixedly mounted on one of the four transmission pivots, the corresponding mounting block stretches out, a cross rod is fixedly mounted on the fixing rod, the mounting rod is fixedly mounted on the upper side of the rotating structure, and a spring is connected between the mounting rod and the cross rod.
One sides of the four triangular baffles, which are close to each other, are respectively and fixedly provided with a water leakage preventing shell, and after the four triangular baffles are closed, the other sides of the four water leakage preventing shells are respectively and tightly attached to one triangular baffle adjacent to the corresponding triangular baffle and are matched with a matched gap between the two corresponding triangular baffles; the four mounting blocks are all provided with a drain hole, the lower ends of the four drain holes are communicated with the roof, and the upper ends of the four drain holes are correspondingly matched with the lower ends of the four water leakage preventing shells one by one.
As a further improvement of the technology, one end of each of the four triangular baffles is provided with a support lug, and the four triangular baffles are arranged on the four transmission rotating shafts in a swinging mode through the support lugs on the four triangular baffles.
As the further improvement of the technology, four limit sealing strips are installed on a rotating structure in the pressure relief unit, an inner arc surface is arranged on each limit sealing strip, the four limit sealing strips are matched with support lugs on the four triangular baffles in a one-to-one correspondence mode, and the four limit sealing strips have a limiting effect on the swing of the corresponding triangular baffles.
As a further improvement of the technology, the four mounting blocks are provided with triangular grooves, sealing gaskets are mounted in the triangular grooves and matched with the four triangular baffles.
As a further improvement of the technology, two shaft holes are formed in two side faces of each of the four installation blocks, an installation groove is formed in the inner side of each of the two shaft holes formed in the three installation blocks, two ends of each of the four transmission rotating shafts penetrate through the shaft holes in the corresponding installation blocks, a first gear is installed at one end, corresponding to the transmission rotating shaft extending out of the installation groove, of each of the four transmission rotating shafts, and the two first gears located in the same installation groove are meshed with each other.
As a further improvement of the present technology, the spring is an extension spring and has a pretension.
As a further improvement of the technology, the sealing strips are arranged on the sides of the four water leakage preventing shells, which are not fixed on the triangular baffle.
As a further improvement of the technology, when the four triangular baffles are closed, the axis of the fixed rod is parallel to the axis of the spring and has an included angle of less than thirty degrees, the fixed rod and the spring are positioned at two sides of the transmission rotating shaft, and the fixed rod points to the obliquely upper part; when the four triangular baffles swing to the vertical state with the maximum opening, the axes of the fixed rods are parallel to the axes of the springs and form an included angle smaller than thirty degrees, and the fixed rods and the springs are positioned on two sides of the transmission rotating shaft and point to the oblique lower side.
Compared with the traditional factory building pressure relief technology, the design of the invention has the following beneficial effects:
1. the pressure relief unit designed by the invention is mainly composed of four triangular baffles, when explosion occurs in a factory building, the four triangular baffles can be quickly extruded and opened, and compared with the traditional method that the pressure value in the factory building reaches the pressure when an explosion relief bolt falls off, and the pressure of a window sash can be automatically opened to discharge the pressure outwards, the pressure required by opening the four triangular baffles is relatively small, so that the damage of the pressure change in the factory building before pressure relief to the factory building is reduced to a certain extent.
2. In the traditional pressure relief equipment, a flat cover and a roof, in windy weather, the pressure on the upper side of the pressure relief equipment is sometimes smaller than the indoor pressure, the pressure relief equipment can vibrate and even has the risk of being blown away, in order to prevent the occurrence of the condition, the strength of an explosion venting bolt is generally increased, but the pressure relief effect can be influenced; on one hand, the four triangular baffles are distributed in a quadrangular shape, and in windy weather, because the cone angle of a rectangular pyramid formed by the four triangular baffles faces the direction from which wind blows, the wind power provides mutually close pressure for the two triangular baffles facing the wind, and the mounting angle of the two triangular baffles facing away from the wind is larger, so that the generated negative pressure is smaller, even the negative pressure cannot be generated, and the vibration generated by the wind basically cannot occur in the design of the device; during explosion, the four triangular baffles are pushed to swing outwards, the swing amplitude is relatively small, and therefore the triangular baffles are easy to open and the explosion venting effect is good.
3. In the invention, the positions where the four triangular baffles are in mutual contact and matching are wrapped by the four water leakage preventing shells, and in rainy days, due to the aging of the sealing strips, rainwater which can enter through the mutual contact and matching positions of the four triangular baffles can flow into the lower side mounting block through the four water leakage preventing shells and flow into the roof from the drain holes in the mounting block to be drained, so that the rainwater is prevented from flowing into a factory building from the mutual contact and matching positions of the four triangular baffles, and the pressure-relief roof has a rainproof function.
4. Each pressure relief unit is provided with a swing induction structure, and the windward direction can be flexibly and freely adjusted according to the wind direction, so that wind vibration is reduced.
Drawings
Fig. 1 is a schematic view of a pendulum sensing structure installation.
Fig. 2 is a schematic view of a spring installation.
Fig. 3 is a schematic structural view of the pressure relief unit.
Fig. 4 is a schematic view of the installation of the transmission rotating shaft.
Fig. 5 is a schematic view of a mounting block structure.
Fig. 6 is a schematic view of the installation of the watertight case.
Fig. 7 is a schematic view of a triangular baffle structure.
Fig. 8 is a schematic view of a triangular baffle arrangement.
Number designation in the figures: 1. a swing sensing structure; 2. a rotating structure; 3. a pressure relief unit; 4. fixing the support structure; 5. mounting a rod; 6. a spring; 7. a cross bar; 8. fixing the rod; 9. a transmission rotating shaft; 10. mounting blocks; 11. a first gear; 12. a gasket; 13. a shaft hole; 14. a drain hole; 15. mounting grooves; 16. a water leakage preventing shell; 17. supporting a lug; 18. and (4) limiting a sealing strip.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.
It includes the pressure release module of multiunit installation on the roof.
As shown in fig. 1, the pressure releasing module includes a swing sensing structure 1 and a pressure releasing unit 3, wherein the swing sensing structure 1 capable of swinging along with the wind direction is installed on the upper side of the pressure releasing unit 3.
A plurality of such pressure release modules of factory building roof even placing.
The swing induction structure 1 comprises a swing structure capable of swinging along with the wind direction and a connecting rod, wherein the connecting rod is fixed on a rotating structure 2 in a pressure relief unit 3, and in the using process, wind blows the swing structure to swing, so that the swing structure drives the connecting rod to rotate, and the connecting rod drives the rotating structure 2 in the pressure relief unit 3 to rotate. The swinging structure can be a flag type object which can be blown by wind to swing along with the direction change of the wind direction.
As shown in fig. 2 and 3, the pressure relief unit 3 includes a rotating structure 2, a fixed supporting structure 4, a triangular baffle, a transmission rotating shaft 9, a first gear 11, a mounting rod 5, a spring 6, a cross rod 7, a fixing rod 8, and a mounting block 10, wherein the fixed supporting structure 4 is an annular structure, the fixed supporting structure 4 is fixedly mounted on the roof of the factory building, and as shown in fig. 3, the rotating structure 2 is rotatably mounted on the upper side of the fixed supporting structure 4; the swing induction structure 1 is arranged on the upper side of the rotating structure 2, the four mounting blocks 10 are fixedly arranged on the upper side of the rotating structure 2, and the connecting lines of the four mounting blocks 10 form a square; as shown in fig. 4, four transmission shafts 9 are rotatably mounted on four mounting blocks 10, and each transmission shaft 9 corresponds to two mounting blocks 10; as shown in fig. 3, a triangular baffle is fixedly mounted on each of the four transmission shafts 9, and the four triangular baffles are closed towards the middle to form four side surfaces of the four vertebral bodies; as shown in fig. 6, a sealing strip is installed between two adjacent triangular baffles in the four triangular baffles; the four transmission rotating shafts 9 are sequentially connected through gears in a transmission manner, as shown in fig. 2, a fixing rod 8 is fixedly mounted on one of the four transmission rotating shafts 9, the corresponding mounting block 10 extends out of the one transmission rotating shaft 9, a cross rod 7 is fixedly mounted on the fixing rod 8, the mounting rod 5 is fixedly mounted on the upper side of the rotating structure 2, and a spring 6 is connected between the mounting rod 5 and the cross rod 7.
The pressure relief unit 3 designed by the invention is mainly composed of four triangular baffles, when explosion occurs in a factory building, the four triangular baffles can be quickly extruded and opened, and compared with the traditional method that the pressure value in the factory building reaches the pressure when an explosion relief bolt falls off, and the pressure of a window sash can be automatically opened to discharge the pressure outwards, the pressure required by opening the four triangular baffles is relatively small, so that the damage of the pressure change in the factory building before pressure relief to the factory building is reduced to a certain extent.
As shown in fig. 6, one side of each of the four triangular baffles, which is close to each other, is fixedly provided with a water leakage preventing shell 16, and after the four triangular baffles are closed, the other side of each of the four water leakage preventing shells 16 is tightly attached to one triangular baffle adjacent to the corresponding triangular baffle and is matched with a gap matched between the two corresponding triangular baffles; the four mounting blocks 10 are respectively provided with a drain hole 14, the lower ends of the four drain holes 14 are communicated with a roof, and the upper ends of the four drain holes 14 are correspondingly matched with the lower ends of the four water leakage preventing shells 16.
As shown in fig. 7, one end of each of the four triangular baffles has a support lug 17, and the four triangular baffles are installed on the four transmission rotating shafts 9 in a swinging manner through the support lugs 17 thereon.
As shown in fig. 7, four limit sealing strips 18 are installed on the rotating structure 2 in the pressure relief unit 3, an inner arc surface is arranged on the limit sealing strips 18, the four limit sealing strips 18 are correspondingly matched with the support lugs 17 on the four triangular baffles one by one, and the four limit sealing strips 18 have a limiting effect on the swing of the corresponding triangular baffles.
The four limit sealing strips 18 limit the swinging of the four triangular baffles, so that the swinging angle of the four triangular baffles can not be too large in the opening or closing process, and the subsequent closing and opening are not influenced. In the invention, the four limit sealing strips 18 can also play a role in sealing the swinging of the four triangular baffles, thereby ensuring the sealing property of the four triangular baffles in a closed rear chamber.
As shown in fig. 5, each of the four mounting blocks 10 has a triangular groove, and a gasket 12 is mounted in each of the triangular grooves, and the gasket 12 is engaged with the four triangular baffles. The sealing gasket 12 plays a role in sealing the lower ends of the four triangular baffles after the four triangular baffles are closed, and the sealing performance of the four triangular baffles in a closed rear chamber is ensured.
As shown in fig. 5, two shaft holes 13 are formed in two side surfaces of each of the four mounting blocks 10, an installation groove 15 is formed in each of the four mounting blocks 10, wherein the inner sides of the two shaft holes 13 formed in the three mounting blocks 10 are provided with one installation groove 15, as shown in fig. 4, two ends of each of the four transmission rotating shafts 9 penetrate through the shaft holes 13 in the corresponding mounting blocks 10, one end of each of the four transmission rotating shafts 9, which extends out of the installation groove 15, corresponding to the transmission rotating shaft 9 is provided with one first gear 11, and the two first gears 11 located in the same installation groove 15 are engaged with each other.
The four triangular baffles are synchronously swung through the transmission of the first gear 11 and the transmission rotating shaft 9, and a resistance is provided for upward opening swinging of the four triangular baffles after the four triangular baffles are closed through the designed spring 6, so that pressing force between the four triangular baffles after the four triangular baffles are closed is ensured, and indoor sealing performance is ensured; when the four triangular baffles are closed, the axis of the fixed rod 8 is parallel to the axis of the spring 6 and forms an included angle smaller than thirty degrees, the fixed rod 8 and the spring 6 are positioned on two sides of the transmission rotating shaft 9, and the fixed rod 8 points to the obliquely upper side; at a certain moment of the intermediate state, the axis of the fixed rod 8 is parallel to the axis of the spring 6, the spring 6 is stretched to the longest state at the moment, namely the swing from the closed state to the intermediate state is subjected to the resistance of the spring 6, the explosive force needs to overcome the resistance, the spring 6 swings from the intermediate state to the final vertical state, the length of the spring 6 is shortened in the process, the assisting force is provided for the process, the vertical state of the baffle can be maintained, the pressure relief equipment can be kept in the open state continuously after explosion, and the hot smoke in a factory building can be conveniently dissipated as soon as possible. According to the invention, after the four triangular baffles are closed, the tension of the spring 6 can provide a tension for the cross rod 7, the cross rod 7 transmits the tension to the fixed rod 8, the fixed rod 8 transmits the tension to the corresponding transmission rotating shaft 9, and the tension can be transmitted to the four triangular baffles through the transmission of the four transmission rotating shafts 9 and the corresponding first gears 11 so as to provide a certain extrusion force.
The spring 6 is an extension spring 6 and has a pretension.
As shown in fig. 8, the preferred four triangular baffles are cross-extruded at the mutual matching positions.
Sealing strips are arranged on one sides of the four water leakage preventing shells 16 which are not fixed on the triangular baffle; through this sealing strip and adjacent triangle-shaped baffle extrusion seal, play sealed effect to four leak protection water casings 16, prevent that the rainwater from oozing.
The specific working process comprises the following steps: when the pressure relief device designed by the invention is used, four triangular baffles in the pressure relief unit 3 are combined together when the explosion does not occur normally; under the condition, if windy weather occurs, wind can blow the swing induction structure 1 to drive the rotating mechanism in the pressure relief unit 3 to rotate, so that the cone angle of a rectangular pyramid formed by the four triangular baffles faces the direction from which the wind blows; the wind power provides pressure close to each other to the two triangular baffles facing the wind, the two triangular baffles facing away from the wind have larger installation angles, the generated negative pressure is smaller, even the negative pressure can not be generated, so the design of the equipment basically can not generate vibration caused by the wind; during explosion, the four triangular baffles are pushed to swing outwards only, and the swing amplitude is relatively small, so that the triangular baffles are easy to open and the explosion venting effect is good; when the pressure of the upper side of the traditional pressure relief device of the flat cover and the roof is lower than the pressure in a room in windy weather, the pressure relief device can be blown by wind, so that the pressure relief device also has a wind-proof function.
When exploding, indoor pressure increases, will extrude four triangle baffles in the pressure release unit 3, opens, can make four triangle baffles maintain vertical state through spring 6, and the flue gas after the explosion of being convenient for is followed the pressure release export and is scattered.
Claims (8)
1. The utility model provides an explosion-proof factory building pressure relief equipment which characterized in that: the pressure relief device comprises a plurality of groups of pressure relief modules arranged on a roof;
the pressure relief module comprises a swing induction structure and a pressure relief unit, wherein the swing induction structure capable of swinging along with the wind direction is arranged on the upper side of the pressure relief unit;
the pressure relief unit comprises a rotating structure, a fixed supporting structure, a triangular baffle, a transmission rotating shaft, a first gear, an installation rod, a spring, a cross rod, a fixed rod and an installation block, wherein the fixed supporting structure is an annular structure, the fixed supporting structure is fixedly installed on the roof of a factory building, and the rotating structure is rotatably installed on the upper side of the fixed supporting structure; the swing induction structure is arranged on the upper side of the rotating structure, the four mounting blocks are fixedly arranged on the upper side of the rotating structure, and the connecting lines of the four mounting blocks form a square; the four transmission rotating shafts are rotatably arranged on the four mounting blocks, and each transmission rotating shaft corresponds to two mounting blocks; the four transmission rotating shafts are respectively and fixedly provided with a triangular baffle, and the four triangular baffles are closed towards the middle to form four side surfaces of the four centrums; a sealing strip is arranged between two adjacent triangular baffles in the four triangular baffles; the four transmission rotating shafts are sequentially connected through gears in a transmission manner, one of the four transmission rotating shafts extends out of the corresponding mounting block and is fixedly provided with a fixed rod, a cross rod is fixedly arranged on the fixed rod, the mounting rod is fixedly arranged on the upper side of the rotating structure, and a spring is connected between the mounting rod and the cross rod;
one sides of the four triangular baffles, which are close to each other, are respectively and fixedly provided with a water leakage preventing shell, and after the four triangular baffles are closed, the other sides of the four water leakage preventing shells are respectively and tightly attached to one triangular baffle adjacent to the corresponding triangular baffle and are matched with a matched gap between the two corresponding triangular baffles; the four mounting blocks are all provided with a drain hole, the lower ends of the four drain holes are communicated with the roof, and the upper ends of the four drain holes are correspondingly matched with the lower ends of the four water leakage preventing shells one by one.
2. The explosion-proof factory building pressure relief device of claim 1, wherein: one end of each of the four triangular baffles is provided with a support lug, and the four triangular baffles are arranged on the four transmission rotating shafts in a swinging mode through the support lugs on the four triangular baffles.
3. The explosion-proof factory building pressure relief device of claim 2, wherein: four limit sealing strips are installed on a rotating structure in the pressure relief unit, an inner arc surface is arranged on each limit sealing strip, the four limit sealing strips are matched with support lugs on the four triangular baffles in a one-to-one correspondence mode, and the four limit sealing strips have a limiting effect on the swing of the corresponding triangular baffles.
4. The explosion-proof factory building pressure relief device of claim 1, wherein: the four mounting blocks are provided with triangular grooves, sealing gaskets are mounted in the triangular grooves and matched with the four triangular baffles.
5. The explosion-proof factory building pressure relief device of claim 1, wherein: the two side faces of the four installation blocks are provided with two shaft holes, the inner sides of the two shaft holes formed in the three installation blocks in the four installation blocks are provided with an installation groove, the two ends of the four transmission rotating shafts penetrate through the shaft holes in the corresponding installation blocks respectively, one end, extending out of the installation groove, of each transmission rotating shaft, corresponding to the corresponding transmission rotating shaft is provided with a first gear respectively, and the two first gears located in the same installation groove are meshed with each other.
6. The explosion-proof factory building pressure relief device according to claim 1, characterized in that: the spring is an extension spring and has a pretension.
7. The explosion-proof factory building pressure relief device of claim 1, wherein: and sealing strips are arranged on one sides of the four water leakage preventing shells, which are not fixed on the triangular baffle.
8. The explosion-proof factory building pressure relief device of claim 1, wherein: when the four triangular baffles are closed, the axis of the fixed rod is parallel to the axis of the spring and forms an included angle smaller than thirty degrees, the fixed rod and the spring are positioned on two sides of the transmission rotating shaft, and the fixed rod points to the obliquely upper side; when the four triangular baffles swing to the vertical state with the maximum opening degree, the axis of the fixed rod is parallel to the axis of the spring and forms an included angle smaller than thirty degrees, and the fixed rod and the spring are positioned on two sides of the transmission rotating shaft and point to the oblique lower side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011255775.5A CN112177184B (en) | 2020-11-11 | 2020-11-11 | Explosion-proof factory building pressure release equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011255775.5A CN112177184B (en) | 2020-11-11 | 2020-11-11 | Explosion-proof factory building pressure release equipment |
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| Publication Number | Publication Date |
|---|---|
| CN112177184A CN112177184A (en) | 2021-01-05 |
| CN112177184B true CN112177184B (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011255775.5A Active CN112177184B (en) | 2020-11-11 | 2020-11-11 | Explosion-proof factory building pressure release equipment |
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| CN (1) | CN112177184B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943025A (en) * | 2009-07-07 | 2011-01-12 | 兖州煤业股份有限公司 | Vertical air shaft explosion protection door capable of quickly resetting |
| CN202628183U (en) * | 2012-04-02 | 2012-12-26 | 黑龙江龙煤矿业工程设计研究院有限公司 | Exhaust ventilation anti-explosion door of coal mine vertical shaft |
| JP2014105482A (en) * | 2012-11-27 | 2014-06-09 | Kajima Corp | Active silencing device |
| CN206418616U (en) * | 2017-01-20 | 2017-08-18 | 上海通用金属结构工程有限公司 | A kind of protective plate of roofing explosion venting device |
| CN209148717U (en) * | 2019-01-16 | 2019-07-23 | 蔡恒明 | A kind of weather monitoring wind vane |
-
2020
- 2020-11-11 CN CN202011255775.5A patent/CN112177184B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943025A (en) * | 2009-07-07 | 2011-01-12 | 兖州煤业股份有限公司 | Vertical air shaft explosion protection door capable of quickly resetting |
| CN202628183U (en) * | 2012-04-02 | 2012-12-26 | 黑龙江龙煤矿业工程设计研究院有限公司 | Exhaust ventilation anti-explosion door of coal mine vertical shaft |
| JP2014105482A (en) * | 2012-11-27 | 2014-06-09 | Kajima Corp | Active silencing device |
| CN206418616U (en) * | 2017-01-20 | 2017-08-18 | 上海通用金属结构工程有限公司 | A kind of protective plate of roofing explosion venting device |
| CN209148717U (en) * | 2019-01-16 | 2019-07-23 | 蔡恒明 | A kind of weather monitoring wind vane |
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| Publication number | Publication date |
|---|---|
| CN112177184A (en) | 2021-01-05 |
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