CN211777551U - Ventilation device for underground excavation operation - Google Patents
Ventilation device for underground excavation operation Download PDFInfo
- Publication number
- CN211777551U CN211777551U CN202020416032.0U CN202020416032U CN211777551U CN 211777551 U CN211777551 U CN 211777551U CN 202020416032 U CN202020416032 U CN 202020416032U CN 211777551 U CN211777551 U CN 211777551U
- Authority
- CN
- China
- Prior art keywords
- auxiliary
- arc
- water bag
- transparent
- clamping ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to an underground excavation operation ventilation unit discloses one kind through transparent gasbag with including the flange joint end parcel to the balloon on it is monitored the gas leakage phenomenon of flange joint department to the water injection cooperation in it, utilize the interior bubble phenomenon of transparent gasbag and the device of the explosion notice warning maintainer of balloon. The air leakage phenomenon at the flange connector of the ventilation pipeline can be monitored, and maintenance personnel can be reminded in time, so that the maintenance personnel can find the air leakage phenomenon quickly. The equal-angle annular distribution of a plurality of auxiliary supporting rods is characterized in that one ends of a main clamping ring and the plurality of auxiliary supporting rods are connected, the other ends of the auxiliary clamping ring and the plurality of auxiliary supporting rods are connected, the main clamping ring and the auxiliary clamping ring are formed by two semicircular rings, the semicircular rings correspond to the ends and are connected through bolts, the middle section of each auxiliary supporting rod is an arc-shaped rod, the arc-shaped convex surface of each arc-shaped rod faces outwards, the transparent water bag is arranged between the plurality of arc-shaped rods, and elastic rubber bands are arranged at two ends of the transparent water bag respectively.
Description
Technical Field
The utility model relates to an excavation operation ventilation unit in pit relates to a ventilation system in the pit, carries out gas leakage monitoring's device to air pipe flange joint, belongs to the coal mine equipment field. In particular to a device which wraps a flange connecting end in a transparent air bag, is filled with water to be matched with a balloon on the transparent air bag to monitor the air leakage phenomenon at the flange connecting part and reminds maintenance personnel by utilizing the bubble phenomenon in the transparent air bag and the explosion notice of the balloon.
Background
The underground ventilation system is one of the key parts in the 'ventilation and three prevention' pipeline of the coal mine, the good underground ventilation system ensures the safety of coal mine excavation, the flange interface of the existing underground coal mine ventilation channel can generate air leakage phenomenon due to environment or using factors after being used for a long time, the oxygen supply amount of the whole ventilation system is influenced, and due to the noisy operation construction environment in the pit, maintenance personnel usually have difficulty in accurately finding out the position of the air leakage flange interface by distinguishing and listening sound after air leakage occurs, the personnel need to adopt a special air leakage detection tool for detection, the maintenance workload is complicated, the prior notice No. CN209264222U discloses an automatic monitoring type ventilation device based on underground coal mine operation, which comprises a balloon storage frame, a protective sleeve, a top buckle cover, a compression sleeve, a conical nut, a pressure groove, a balloon, an air inlet pipe and an inflation opening ring; the air distribution pipeline is positioned at the inner side of the coal mine, and an external air inlet pipeline connecting pipe connected with an air inlet pipeline of external air supply equipment is arranged at one side of the air distribution pipeline; the bottom of outside intake stack connecting pipe adopts the mode of hanging to hang through the jib and draw, installs a balloon and deposits the frame, but the device when using if its top that is used for detecting gas leakage detains the cover and when detaining the cover at the bottom and take place damaged gas leakage, then can directly lead to the balloon that is used for detecting gas leakage can not expand, and personnel can't find monitoring devices's damage yet for when really taking place the gas leakage condition, hardly in time discover.
Disclosure of Invention
In order to improve the condition, the utility model relates to a dig operation ventilation unit in pit provides one kind through transparent gasbag with including the flange joint end parcel to the balloon on it is monitored the gas leakage phenomenon of flange joint department to the water injection cooperation in it, utilizes the interior bubble phenomenon of transparent gasbag and the device of the explosion notice warning maintainer of balloon. The air leakage phenomenon at the flange connector of the ventilation pipeline can be monitored, and maintenance personnel can be reminded in time, so that the maintenance personnel can find the air leakage phenomenon quickly.
The utility model relates to a dig operation ventilation unit in pit is realized like this: the utility model relates to a ventilation device for underground excavation operation, which comprises a main snap ring, auxiliary support rods, a balloon, a transparent water bag, a bolt, an auxiliary snap ring, a water filling cavity, an unidirectional water filling valve, an elastic rubber band and arc-shaped rods, wherein a plurality of auxiliary support rods are distributed in an angular ring shape, the main snap ring is connected with one ends of the auxiliary support rods, the auxiliary snap ring is connected with the other ends of the auxiliary support rods, the main snap ring and the auxiliary snap ring are composed of two semicircular rings, the corresponding ends of the two semicircular rings are connected through the bolt, the middle section of the auxiliary support rods is an arc-shaped rod, the arc-shaped convex surface of the arc-shaped rod faces outwards, the transparent water bag is arranged between the arc-shaped rods, the elastic rubber band is respectively arranged at the two ends of the transparent water bag, the water filling cavity is arranged in the transparent water bag, the balloon is arranged at the top of the transparent water bag, the balloon is communicated with the transparent water bag, the protection pad is arranged on the arc concave surface of the arc rod, the anti-slip teeth are arranged on the inner side surface of the main clamping ring, and the anti-slip teeth are arranged on the inner side surface of the auxiliary clamping ring.
Has the beneficial effects.
The air leakage monitoring device can monitor the air leakage phenomenon at the flange connector of the ventilation pipeline and timely remind maintenance personnel so that the maintenance personnel can quickly find the air leakage phenomenon.
And secondly, after the monitoring device is damaged, maintenance personnel can timely find and replace the monitoring device.
Drawings
Fig. 1 is a three-dimensional structure diagram of a ventilation device for underground excavation.
Fig. 2 is a schematic structural view of a ventilation device for underground excavation.
Fig. 3 is a three-dimensional structure view of a main snap ring of a ventilation device for underground excavation.
In the attached drawings
Wherein the method comprises the following steps: the air pipe comprises a first ventilation pipe 1, a main clamping ring 2, an auxiliary support rod 3, a balloon 4, a transparent water sac 5, a steel hoop 6, a second ventilation pipe 7, a bolt 8, a locking nut 9, an auxiliary clamping ring 10, a water filling cavity 11, a one-way water filling valve 12, an elastic rubber band 13, a wind pipe flange connecting end 14 and an arc-shaped rod 15.
The specific implementation mode is as follows:
the utility model relates to a ventilation device for underground excavation operation, which comprises a main snap ring 2, an auxiliary brace rod 3, a balloon 4, a transparent water bag 5, a bolt 8, an auxiliary snap ring 10, a water filling cavity 11, a one-way water filling valve 12, an elastic rubber band 13 and an arc rod 15, wherein a plurality of auxiliary brace rods 3 are distributed in an equal angle ring shape, the main snap ring 2 is connected with one ends of the auxiliary brace rods 3, the auxiliary snap ring 10 is connected with the other ends of the auxiliary brace rods 3, the main snap ring 2 and the auxiliary snap ring 10 are respectively composed of two semicircular rings, the corresponding ends of the two semicircular rings are connected through the bolt 8, the middle section of the auxiliary brace rods 3 is the arc rod 15, the arc convex surface of the arc rod 15 faces outwards, the transparent water bag 5 is arranged between the arc rods 15, the elastic rubber band 13 is respectively arranged at the two ends of the transparent water bag 5, the water filling cavity 11 is arranged in the transparent water bag 5, the top of the transparent water bag 5 is provided with a balloon 4, the balloon 4 is communicated with the transparent water bag 5, the bottom of the transparent water bag 5 is provided with a one-way water filling valve 12, the arc concave surface of the arc rod 15 is provided with a protective pad, the inner side surface of the main clamping ring 2 is provided with anti-skidding teeth, and the inner side surface of the auxiliary clamping ring 10 is provided with anti-skidding teeth.
When the water filling device is used, the transparent water bag 5 is clamped and sleeved on the first ventilating pipe 7 through the elastic rubber band 13 with two ends capable of elastically contracting, the flange connecting end is wrapped in the transparent water bag 5, then the two ends of the transparent water bag are fixedly sealed through the steel hoop 6, then water is filled into the sealed transparent water bag 5 through the one-way inflation valve, gas in the water filling cavity 11 is pressed into the balloon 4 on the transparent water bag 5, so that the balloon 4 expands, after the water filling cavity 11 is filled with water, the main clamping ring 2 and the auxiliary clamping ring 10 are fixed on the first ventilating pipe 7 through the matching bolt 8, so that the arc-shaped rod 15 on the auxiliary supporting rod 3 supports the water-filled and expanded transparent water bag 5;
when the flange joint leaks air, a person can find that air bubbles are generated in the flange joint through the transparent water bag 5, and meanwhile, the balloon 4 can be further expanded or even exploded to remind maintenance personnel of air leakage;
when the monitoring device is damaged, the water filled in the monitoring device flows out, the balloon 4 and the transparent water bag 5 are shrunk, and personnel can easily know that the monitoring device is damaged;
the inner side surface of the main clamping ring 2 is provided with anti-skidding teeth, and the inner side surface of the auxiliary clamping ring 10 is provided with anti-skidding teeth, so that the stability during installation is improved;
the design that a protective pad is arranged on the arc concave surface of the arc rod 15 and is used for protecting when the arc rod is in contact with the transparent air bag, so that the arc rod 15 is prevented from being in rigid contact with the transparent air bag directly;
reach including with flange joint end parcel through transparent gasbag to the gas leakage phenomenon of flange joint department is monitored to balloon 4 on its water injection cooperation in it, utilizes the interior bubble phenomenon of transparent gasbag and the purpose that maintainer was reminded in the explosion notice of balloon 4.
The above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.
It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a removable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (6)
1. A ventilation device for underground excavation operation is characterized in that: the water filling device is characterized by comprising a main clamping ring, auxiliary supporting rods, balloons, a transparent water bag, bolts, auxiliary clamping rings, a water filling cavity, a one-way water filling valve, elastic rubber bands and arc-shaped rods, wherein the auxiliary supporting rods are distributed in an equal-angle annular mode, one ends of the main clamping ring and the auxiliary supporting rods are connected, the other ends of the auxiliary clamping ring and the auxiliary supporting rods are connected, the arc-shaped convex surfaces of the arc-shaped rods face outwards, the transparent water bag is arranged among the arc-shaped rods, the elastic rubber bands are arranged at two ends of the transparent water bag respectively, the water filling cavity is arranged in the transparent water bag, the balloons are arranged at the top of the transparent water bag, the balloons are communicated with the transparent water bag, and the one-way water filling valve is arranged at.
2. The ventilation device for underground excavation operation of claim 1, wherein the main snap ring and the auxiliary snap ring are each composed of two semicircular rings, and corresponding ends of the two semicircular rings are connected by bolts.
3. A ventilation device for underground mining operations according to claim 1 or 2, characterized in that the primary snap ring has anti-slip teeth on its inner side.
4. A ventilation device for underground excavation according to claim 1 or 2, wherein the auxiliary snap ring has anti-slip teeth on an inner side surface thereof.
5. The ventilation assembly of claim 1 wherein the intermediate section of the auxiliary strut is an arcuate rod.
6. The ventilation apparatus of claim 5, wherein the curved concave surface of the curved rod is provided with a protective pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020416032.0U CN211777551U (en) | 2020-03-27 | 2020-03-27 | Ventilation device for underground excavation operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020416032.0U CN211777551U (en) | 2020-03-27 | 2020-03-27 | Ventilation device for underground excavation operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211777551U true CN211777551U (en) | 2020-10-27 |
Family
ID=72927372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020416032.0U Expired - Fee Related CN211777551U (en) | 2020-03-27 | 2020-03-27 | Ventilation device for underground excavation operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211777551U (en) |
-
2020
- 2020-03-27 CN CN202020416032.0U patent/CN211777551U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107407453B (en) | Security system | |
| CN211501462U (en) | Pressure protection device for underwater sealing metal shell | |
| CN211777551U (en) | Ventilation device for underground excavation operation | |
| CN201314995Y (en) | Monitoring camera inflatable sealing protecting cover with automatic pressure detecting device | |
| CN213776811U (en) | Municipal pipeline leaking stoppage air bag with external auxiliary protection function | |
| CN201788069U (en) | Gas-filled cable detecting device | |
| CN218441145U (en) | Delivery pipeline for air compressor station with power monitoring function | |
| CN216479601U (en) | Gas pipe plugging device | |
| CN214267924U (en) | Intelligent life saving bracelet falling into water | |
| CN214041377U (en) | Water environment detection device waterproof construction | |
| CN213930407U (en) | Carbon fiber gas cylinder with pressure monitoring | |
| CN211855750U (en) | Plastic tubing detection device that leaks | |
| CN216041514U (en) | Atmospheric pressure jar with alarming function | |
| CN212563184U (en) | Gas production device with leakage alarm function | |
| CN206637252U (en) | High pressure gas holder gas leak detection device | |
| CN212211701U (en) | Geological disaster monitoring and early warning terminal protection cover mounting structure | |
| CN214168957U (en) | Rubber dam for intercepting sludge in inner harbor basin wharf | |
| CN211573895U (en) | Oil leakage prevention device of hydraulic oil tank of integrated steel support axial force servo system | |
| CN214010673U (en) | Airtightness detection device for fire-fighting product | |
| CN217927677U (en) | Pipeline butt joint reinforcing apparatus for factory foundation construction | |
| CN214875445U (en) | Support arrangement suitable for experiment in water body | |
| CN214947331U (en) | Explosion-proof early warning formula shutoff gasbag | |
| CN209585175U (en) | Impact-resistant Outdoor Fire Hydrant | |
| CN212674370U (en) | Circuit breaker with mechanism cover quick inflation leak detection structure | |
| CN210228933U (en) | Air bag type deep well life saving device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 Termination date: 20210327 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |