CN212079368U - Explosion-proof well lid - Google Patents
Explosion-proof well lid Download PDFInfo
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- CN212079368U CN212079368U CN202020729003.XU CN202020729003U CN212079368U CN 212079368 U CN212079368 U CN 212079368U CN 202020729003 U CN202020729003 U CN 202020729003U CN 212079368 U CN212079368 U CN 212079368U
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- well lid
- mounting plate
- explosion
- pressure relief
- well
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- 238000007789 sealing Methods 0.000 claims description 11
- 238000005253 cladding Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000004880 explosion Methods 0.000 abstract description 17
- 238000006073 displacement reaction Methods 0.000 abstract description 8
- 230000035939 shock Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an explosion-proof well lid, wherein a mounting plate is a cube, a well lid groove is arranged in the middle of the mounting plate, a well lid is arranged in the well lid groove, one end of the well lid is rotationally connected with the mounting plate through a rotating shaft, four pressure relief pipes are arranged, and is arranged on the well lid at equal angles, one end of the pressure relief pipe is arranged on the inner side of the well lid, the other end of the pressure relief pipe passes through the well lid and is connected with an electric valve, the pressure sensor is arranged on the inner side wall of the well lid, four springs are arranged, and are respectively arranged at four corners of the lower surface of the mounting plate, one end of the spring is fixedly connected with the mounting plate, the other end of the spring is provided with a bottom plate, the bottom plate is fixedly connected with the spring, the bottom plate is provided with a through groove corresponding to the well cover groove, the pressure in the well can be timely discharged, the pressure in the well is prevented from increasing, the hidden danger of explosion is eliminated, the device can be timely reset after displacement occurs due to explosion or impact, and the device is convenient to use.
Description
Technical Field
The utility model relates to a well lid technical field specifically is an explosion-proof well lid.
Background
The explosion-proof well lid is a special sealing well lid installed on an air exhaust well mouth provided with a main ventilator, when the normal ventilation is performed, the explosion-proof well lid is used for isolating underground airflow from the ground atmosphere, the short circuit of the airflow is prevented, the ventilation system is ensured to be normal, when gas or coal dust explosion accidents happen underground, an explosion-proof door is opened by the impact of the exploded airflow, so that the exploded airflow is directly discharged to the ground atmosphere, the pressure relief effect is achieved, the main ventilator is prevented from being damaged due to the impact of the exploded airflow, the existing explosion-proof well lid does not have the pressure relief function, when the pressure in the well is too high, the pressure in the well cannot be timely relieved, the pressure in the well can be increased, the hidden danger of explosion exists, the existing explosion-proof well lid does not have the reset function, the explosion-proof well lid cannot be timely reset after displacement occurs.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide an explosion-proof well lid, can in time let out the pressure in the well, avoid the pressure in the well bigger and bigger, eliminate the hidden danger of explosion, can also in time reset after taking place the displacement because of explosion or impact, it is more convenient to use, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof well lid comprises a mounting plate, a pressure relief unit and a reset unit;
mounting a plate: the mounting plate is a cube, a well lid groove is formed in the middle of the mounting plate, a well lid is arranged in the well lid groove, and one end of the well lid is rotatably connected with the mounting plate through a rotating shaft;
a pressure relief unit: the pressure relief unit comprises four pressure relief pipes, a pressure sensor and an electric valve, the four pressure relief pipes are arranged on the well lid at equal angles, one end of each pressure relief pipe is arranged on the inner side of the well lid, the other end of each pressure relief pipe penetrates through the well lid and is connected with the electric valve, and the pressure sensor is arranged on the inner side wall of the well lid;
a reset unit: the reset unit comprises four springs and a bottom plate, the four springs are respectively arranged at four corners of the lower surface of the mounting plate, one end of each spring is fixedly connected with the mounting plate, the other end of each spring is provided with the bottom plate, the bottom plate is fixedly connected with the springs, and the bottom plate is provided with a through groove corresponding to the well cover groove;
the pressure sensor is arranged on the side wall of the mounting plate, the input end of the single chip is electrically connected with the output end of the pressure sensor and the output end of the external power supply, and the output end of the single chip is electrically connected with the input end of the electric valve;
when the pressure relief device is used, when the pressure in the well is too high, the pressure sensor can send a signal to the single chip microcomputer, the single chip microcomputer can open the electric valve after receiving and processing the signal, underground airflow is communicated with the ground atmosphere through the pressure relief pipe, the pressure in the well can be consistent with the external air pressure through the flowing of the gas, so that the purpose of pressure relief is achieved, the pressure in the well can be timely relieved, the pressure in the well is prevented from increasing, the hidden danger of explosion is eliminated, when the pressure relief device is installed, the bottom plate is buried underground, the spring is in the natural length, when the explosion occurs in the well, the explosion shock wave can drive the mounting plate to displace, meanwhile, the spring can elastically deform, when the shock wave disappears, the spring can restore the original shape, the mounting plate can be driven to restore, the mounting plate can drive the well lid to restore, and can timely restore after the displacement occurs due, the use is more convenient.
Further, still include handle and handle standing groove, the lateral wall of well lid is arranged in to the handle, rotates between handle and the well lid to be connected, and the position that well lid lateral wall and handle correspond is seted up to the handle standing groove, can be when needs clear up conveniently stimulate the well lid.
Further, still include the warning light, the lateral wall of well lid is arranged in to the warning light, and the output of singlechip is connected to the input electricity of warning light, can in time send out the police dispatch newspaper when pressure changes in the well.
The connecting plate is provided with mounting holes, and the wedges are arranged in the mounting holes and can be used for mounting the bottom plate.
Further, still include the sealing washer, the sealing washer is the ring form, and the cladding is at the lateral wall of well lid, states fixed connection between sealing washer and the well lid, can be used for preventing the interior gas leakage of well.
Compared with the prior art, the beneficial effects of the utility model are that: this explosion-proof well lid has following benefit:
1. the pressure relief unit is arranged, a signal can be sent to the single chip microcomputer through the pressure sensor, the single chip microcomputer can open the electric valve after receiving and processing the signal, underground airflow is communicated with the ground atmosphere through the pressure relief pipe, the pressure in the well can be consistent with the external air pressure through the flowing of the air, and therefore the purpose of pressure relief is achieved, the pressure in the well can be timely relieved, the pressure in the well is prevented from being increased, and the hidden danger of explosion is eliminated;
2. still set up the unit that resets, through burying the bottom plate underground and the spring is in natural length, when exploding in the well, the shock wave of explosion can drive the mounting panel and take place the displacement, and elastic deformation can take place for the spring simultaneously, and after the shock wave disappeared, the spring can resume original shape to can drive the mounting panel and reset, the mounting panel can drive the well lid and reset, can in time reset after taking place the displacement because of explosion or impact, it is more convenient to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the back structure of the present invention.
In the figure: the device comprises a mounting plate 1, a well cover 2, a pressure relief unit 3, a pressure relief pipe 31, a pressure sensor 32, an electric valve 33, a reset unit 4, a spring 41, a bottom plate 42, a handle 5, a handle placing groove 6, an alarm lamp 7, a rotating shaft 8, a wedge 9, a connecting plate 10, a singlechip 11 and a sealing ring 12.
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.
Referring to fig. 1-2, the present invention provides a technical solution: an explosion-proof well lid comprises a mounting plate 1, a pressure relief unit 3 and a reset unit 4;
mounting plate 1: the mounting plate 1 is a cube, a well lid groove is formed in the middle of the mounting plate 1, a well lid 2 is arranged in the well lid groove, and one end of the well lid 2 is rotatably connected with the mounting plate 1 through a rotating shaft 8;
a pressure relief unit 3: the pressure relief unit 3 comprises four pressure relief pipes 31, pressure sensors 32 and electric valves 33, the four pressure relief pipes 31 are arranged on the well lid 2 at equal angles, one end of each pressure relief pipe 31 is arranged on the inner side of the well lid 2, the other end of each pressure relief pipe 31 penetrates through the well lid 2 and is connected with the electric valve 33, and the pressure sensors 32 are arranged on the inner side wall of the well lid 2;
the reset unit 4: the reset unit 4 comprises four springs 41 and a bottom plate 42, the four springs 41 are respectively arranged at four corners of the lower surface of the mounting plate 1, one end of each spring 41 is fixedly connected with the mounting plate 1, the other end of each spring 41 is provided with the bottom plate 42, the bottom plate 42 is fixedly connected with the springs 41, the bottom plate 42 is provided with a through groove corresponding to the well cover groove, when the installation is carried out, the bottom plate 42 is buried underground, the springs 41 are in natural length, when the well is exploded, the explosion shock wave can drive the mounting plate 1 to displace, meanwhile, the springs 41 can elastically deform, when the shock wave disappears, the springs 41 can restore to the original shape, so that the mounting plate 1 can be driven to reset, the mounting plate 1 can drive the well cover 2 to reset, the springs can timely reset after the displacement caused by explosion or impact, and the use is;
the pressure sensor comprises a pressure sensor 32, an external power supply, a single chip microcomputer 11, an electric valve 33 and a pressure sensor, wherein the single chip microcomputer 11 is arranged on the side wall of the mounting plate 1, the input end of the single chip microcomputer 11 is electrically connected with the output end of the pressure sensor and the output end of the external power supply, and the output end of the single chip microcomputer 11 is electrically connected.
Wherein, still include handle 5 and handle standing groove 6, the lateral wall of well lid 2 is arranged in to handle 5, rotates between handle 5 and the well lid 2 to be connected, and the position that 2 lateral walls of well lid and handle 5 correspond is seted up to handle standing groove 6, can conveniently stimulate well lid 2 when needs are cleared up.
Wherein, still include warning light 7, warning light 7 arranges the lateral wall of well lid 2 in, and singlechip 11's output is connected to the input electricity of warning light 7, can in time send out the police dispatch newspaper when pressure changes in the well.
The connecting plate comprises four connecting plates 10 and a bottom plate 42, wherein the connecting plates 10 are respectively arranged on the periphery of the bottom plate 42, mounting holes are formed in the connecting plates 10, and the wedges 9 are arranged in the mounting holes and can be used for mounting the bottom plate 42.
Wherein, still include sealing washer 12, sealing washer 12 is the ring form, and the cladding is at the lateral wall of well lid 2, states fixed connection between sealing washer 12 and the well lid 2, can be used for preventing the interior gas leakage of well.
When in use: when the pressure in the well is too high, the pressure sensor 32 sends a signal to the single chip microcomputer 11, the single chip microcomputer 11 receives and processes the signal and then opens the electric valve 33, so that the underground airflow is communicated with the ground atmosphere through the pressure relief pipe 31, the pressure in the well can be consistent with the external air pressure through the flowing of the gas, the purpose of pressure relief is achieved, the pressure in the well can be timely relieved, the pressure in the well is prevented from increasing and increasing, the hidden danger of explosion is eliminated, when the pressure relief device is installed, the bottom plate 42 is buried underground, the spring 41 is in the natural length, when the explosion occurs in the well, the explosion shock wave can drive the mounting plate 1 to displace, meanwhile, the spring 41 can elastically deform, when the shock wave disappears, the spring 41 can restore the original shape, the mounting plate 1 can be driven to restore, the mounting plate 1 can drive the well cover 2 to restore, and can timely restore after the displacement occurs due to the, the use is more convenient.
It should be noted that the pressure sensor 32 disclosed in this embodiment may be of the type SM8001, the electric valve 33 may be of the type DN50, the warning light 7 may be of the type LTF-2000, the core chip of the single chip microcomputer 11 is a PLC single chip microcomputer, specifically of the type siemens S7-200, and the single chip microcomputer 11 controls the electric valve 33 and the warning light 7 to operate by a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An explosion-proof well lid which characterized in that: comprises a mounting plate (1), a pressure relief unit (3) and a reset unit (4);
mounting plate (1): the mounting plate (1) is a cube, a well lid groove is formed in the middle of the mounting plate (1), a well lid (2) is arranged in the well lid groove, and one end of the well lid (2) is rotatably connected with the mounting plate (1) through a rotating shaft (8);
pressure relief unit (3): the pressure relief unit (3) comprises four pressure relief pipes (31), a pressure sensor (32) and an electric valve (33), the four pressure relief pipes (31) are arranged on the well lid (2) at equal angles, one end of each pressure relief pipe (31) is arranged on the inner side of the well lid (2), the other end of each pressure relief pipe (31) penetrates through the well lid (2) and is connected with the electric valve (33), and the pressure sensor (32) is arranged on the inner side wall of the well lid (2);
reset unit (4): the reset unit (4) comprises four springs (41) and a bottom plate (42), the four springs (41) are respectively arranged at four corners of the lower surface of the mounting plate (1), one end of each spring (41) is fixedly connected with the mounting plate (1), the bottom plate (42) is arranged at the other end of each spring (41), the bottom plate (42) is fixedly connected with the springs (41), and through grooves corresponding to the well cover grooves are formed in the bottom plate (42);
the pressure sensor is characterized by further comprising a single chip microcomputer (11), the single chip microcomputer (11) is arranged on the side wall of the mounting plate (1), the input end of the single chip microcomputer (11) is electrically connected with the pressure sensor (32) and the output end of an external power supply, and the output end of the single chip microcomputer (11) is electrically connected with the input end of the electric valve (33).
2. The explosion-proof well lid of claim 1, wherein: still include handle (5) and handle standing groove (6), the lateral wall of well lid (2) is arranged in handle (5), rotates between handle (5) and well lid (2) to be connected, and the position that corresponds at well lid (2) lateral wall and handle (5) is seted up in handle standing groove (6).
3. The explosion-proof well lid of claim 1, wherein: still include warning light (7), the lateral wall of well lid (2) is arranged in warning light (7), and the output of singlechip (11) is connected to the input electricity of warning light (7).
4. The explosion-proof well lid of claim 1, wherein: the connecting plate is characterized by further comprising wedges (9) and connecting plates (10), wherein the four connecting plates (10) are respectively arranged on the periphery of the bottom plate (42), mounting holes are formed in the connecting plates (10), and the wedges (9) are arranged in the mounting holes.
5. The explosion-proof well lid of claim 1, wherein: still include sealing washer (12), sealing washer (12) are the ring form, and the cladding is at the lateral wall of well lid (2), fixed connection between sealing washer (12) and well lid (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020729003.XU CN212079368U (en) | 2020-05-07 | 2020-05-07 | Explosion-proof well lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020729003.XU CN212079368U (en) | 2020-05-07 | 2020-05-07 | Explosion-proof well lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212079368U true CN212079368U (en) | 2020-12-04 |
Family
ID=73593152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020729003.XU Active CN212079368U (en) | 2020-05-07 | 2020-05-07 | Explosion-proof well lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212079368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217076A (en) * | 2021-06-16 | 2021-08-06 | 安徽理工大学 | Colliery dust fall air curtain linkage |
-
2020
- 2020-05-07 CN CN202020729003.XU patent/CN212079368U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217076A (en) * | 2021-06-16 | 2021-08-06 | 安徽理工大学 | Colliery dust fall air curtain linkage |
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