CN217231946U - Safety type explosion-proof pipeline valve well lid - Google Patents
Safety type explosion-proof pipeline valve well lid Download PDFInfo
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- CN217231946U CN217231946U CN202221196522.XU CN202221196522U CN217231946U CN 217231946 U CN217231946 U CN 217231946U CN 202221196522 U CN202221196522 U CN 202221196522U CN 217231946 U CN217231946 U CN 217231946U
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- well lid
- pressure relief
- groove
- circular
- mounting
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Abstract
The utility model relates to the field of pipeline valve well covers, in particular to a safety type explosion-proof pipeline valve well cover, which comprises a pipeline well, a well cover mounting seat and a well cover which are fixedly arranged at the outlet of the pipeline well, and also comprises an explosion-proof device, a locking pressure relief device and an impact plate which are arranged at the lower end of the well cover, wherein a plurality of square through grooves are processed on the inner wall of a circular mounting groove, a square deep groove matched with the square through groove is processed on the inner wall of the pipeline well, a first circular through groove is processed at one end of the circular mounting groove, which is far away from the well cover, the device utilizes the locking pressure relief device, when explosion occurs, the impact plate is upwards jacked under the push of impact waves, thereby the locking pressure relief device works, a locking mechanism is outwards locked, thus the well cover can be better fixed on the ground when explosion occurs, and the pressure can be further shunted, the explosive destructive power is reduced, and the safety of pedestrians can be better ensured.
Description
Technical Field
The utility model relates to a pipeline valve well lid field specifically is to relate to an explosion-proof pipeline valve well lid of safe type.
Background
As is well known, in the current natural gas exploitation and use process, a special pipeline is needed to transport natural gas, since most of the natural gas pipelines are buried underground, valves are additionally installed on the natural gas pipelines for safety and convenience of regulation, and most of the valves are installed in special valve wells. In the use process of the natural gas valve, due to unstable pressure, the natural gas can be scattered at the valve sometimes, and the natural gas valve can even explode when exposed fire occurs. In addition, due to the fact that pulse flow and process design are unreasonable, vibration reduction measures are not in place or external factors cause pipeline vibration, bolts are loosened and leakage can be caused, occasionally, the connecting flange is broken through, and the whole valve is blown up by high-pressure airflow.
The existing valve well mostly adopts a traditional inspection well, and then an inspection well cover is added on the inspection well, so that the structure of the inspection well cover is simpler; however, most of the existing natural gas valve well covers do not have an explosion-proof device, most of the well covers with the explosion-proof device can only reduce a part of pressure, and cannot prevent the well covers from flying out, so that pedestrians are threatened in the aspect of safety.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide an explosion-proof pipeline valve well lid of safe type to solve the prior art problem.
For solving the prior art problem, the utility model discloses a technical scheme be:
the utility model provides an explosion-proof pipeline valve well lid of safe type, includes the piping shaft and fixed well lid mount pad and the well lid that sets up in the piping shaft export, still including setting up the explosion-proof equipment at the well lid lower extreme, explosion-proof equipment includes:
the manhole cover mounting seat is fixedly arranged at the lower end of the manhole cover mounting seat in a vertical state, a plurality of square through grooves are processed on the inner wall of the round mounting groove, square deep grooves matched with the square through grooves are processed on the inner wall of the pipe shaft, and a first round through groove is processed at one end, away from the manhole cover, of the round mounting groove;
the locking pressure relief device is fixedly arranged in the circular mounting groove in a vertical state, and the output end of the locking pressure relief device is positioned in the square through grooves;
and the impact plate is fixedly arranged right below the locking pressure relief device in a horizontal state.
Further, the locking pressure relief device comprises:
the pressure relief upright post is fixedly arranged at the bottom of the circular mounting groove in a vertical state, the pressure relief upright post and the circular mounting groove are coaxially arranged, and a plurality of annular mounting grooves are formed in the pressure relief upright post;
the clamping hoops are the same as the annular mounting grooves in number and are coaxially arranged in the corresponding annular mounting grooves;
the number of the first mounting plates is the same as that of the annular circular mounting grooves, the first mounting plates are coaxially arranged on the pressure relief stand columns, the lower end of each first mounting plate is abutted against the upper surface of the corresponding hoop, and a plurality of first fixing stand columns are processed at the upper end and the lower end of each first mounting plate;
the two ends of each first supporting rod are fixedly arranged on the corresponding first fixed upright posts;
and the locking mechanisms are all fixedly arranged on the first mounting plate.
Further, each of the locking mechanisms includes:
the hinge seats are fixedly arranged on one side, close to the well cover, of the first mounting plate;
the first hinge rods are the same as the hinge seats in number, and one end of each first hinge rod is hinged to the hinge seat;
the second hinge rod, quantity is the same with first hinge rod, and its one end is articulated mutually with the one end of first hinge rod, and the other end inserts in the corresponding square logical groove.
Furthermore, one side of the impact plate close to the circular mounting groove is processed with a plurality of second fixing upright posts, and the impact plate is fixedly connected with the adjacent first mounting plate through a second supporting rod.
Furthermore, a second circular through groove is machined in the upper surface of the well cover, and a ventilating cover is fixedly arranged on the second circular through groove.
Further, the one end fixedly connected with second mounting panel that circular mounting groove is close to the well lid, the lower extreme fixed connection of second mounting panel and well lid mount pad.
Compared with the prior art, the utility model beneficial effect who has is: this device has utilized locking pressure relief device, and when the emergence explosion, under the promotion of shock wave, the kickboard jack-up that makes progress to locking pressure relief device work makes locking mechanism outside locking, can be when the emergence explosion better with the well lid fixed subaerial like this, also can further reposition of redundant personnel pressure, reduces explosion destructive power, assurance pedestrian's safety that can be better.
Drawings
FIG. 1 is a top view of an embodiment;
FIG. 2 is a perspective view of a part of the structure of the embodiment;
FIG. 3 is a schematic perspective view of a locking pressure relief mechanism according to an embodiment;
FIG. 4 is a schematic perspective view of a locking mechanism of an embodiment;
FIG. 5 is a cross-sectional view taken along A-A of FIG. 1;
the reference numbers in the figures are:
1-circular mounting groove, 2-square through groove, 3-square deep groove, 4-first circular through groove, 5-locking pressure relief device, 6-impact plate, 7-pressure relief column, 8-annular mounting groove, 9-clamp, 10-first mounting plate, 11-first fixed column, 12-first support rod, 13-locking mechanism, 14-hinged seat, 15-first hinged rod, 16-second hinged rod, 17-second fixed column, 18-second support rod, 19-second circular through groove, 20-ventilation cover, 21-second mounting plate, 22-well cover.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 5, a safe type explosion-proof pipeline valve well lid, includes the piping shaft and fixed well lid mount pad and the well lid 22 that set up in the piping shaft export, still includes the explosion-proof equipment who sets up at well lid 22 lower extreme, explosion-proof equipment includes:
the manhole cover comprises a circular mounting groove 1, a plurality of square through grooves 2, a square deep groove 3 and a first circular through groove 4, wherein the circular mounting groove 1 is fixedly arranged at the lower end of a manhole cover mounting seat in a vertical state;
the locking and pressure relief device 5 is fixedly arranged in the circular mounting groove 1 in a vertical state, and the output end of the locking and pressure relief device 5 is positioned in the square through grooves 2;
and the impact plate 6 is fixedly arranged right below the locking pressure relief device 5 in a horizontal state.
This device is arranged in the pipeline natural gas explosion and plays explosion-proof device of certain explosion-proof effect, and during the natural gas explosion, the air shock wave promotes the bottom of strikeing board 6, because strikeing board 6 and locking pressure relief device 5 fixed connection, and then locking pressure relief device 5's output work inserts in square deep groove 3 to play the fixed action, when can making the explosion, well lid 22 does not so explode easily and flies, and locking pressure relief device 5 can also play the pressure release effect, carries out the pressure reposition of redundant personnel, thereby plays explosion-proof effect.
The locking pressure relief device 5 comprises:
the pressure relief upright post 7 is fixedly arranged at the bottom of the circular mounting groove 1 in a vertical state, the pressure relief upright post 7 is coaxially arranged with the circular mounting groove 1, a plurality of annular mounting grooves 8 are formed in the pressure relief upright post 7, and a pressure relief through hole is formed in the pressure relief upright post 7;
the number of the hoops 9 is the same as that of the annular mounting grooves 8, and the hoops are coaxially arranged in the corresponding annular mounting grooves 8;
the number of the first mounting plates 10 is the same as that of the annular circular mounting grooves 1, the first mounting plates are coaxially arranged on the pressure relief upright posts 7, the lower end of each first mounting plate 10 is abutted against the upper surface of the corresponding hoop 9, and a plurality of first fixing upright posts 11 are machined at the upper end and the lower end of each first mounting plate 10;
the two ends of the first supporting rods 12 are fixedly arranged on the corresponding first fixed upright posts 11;
and the locking mechanisms 13 are fixedly arranged on the first mounting plate 10.
Firstly, a locking mechanism 13 is fixedly arranged on a first mounting plate 10, then the first mounting plate 10 is sleeved on a pressure relief upright post 7, then a hoop 9 is arranged at an annular mounting groove 8 on the pressure relief upright post 7, then the remaining locking mechanism 13 is operated as above to continue to be mounted, and the locking pressure relief device 5 plays a role in fixing a well lid and energy shunting.
Each of the locking mechanisms 13 includes:
the plurality of hinged seats 14 are fixedly arranged on one side of the first mounting plate 10 close to the well cover 22;
the number of the first hinge rods 15 is the same as that of the hinge seats 14, and one end of each first hinge rod is hinged to the hinge seat 14;
the second hinge rods 16 are the same in number as the first hinge rods 15, one end of each second hinge rod is hinged to one end of the first hinge rod 15, and the other end of each second hinge rod is inserted into the corresponding square through groove 2.
When the locking mechanism 13 is assembled, the hinge base 14 is fixed on the first mounting plate 10, one end of a second hinge rod 16 is inserted into the square through groove 2, then one end of the first hinge rod 15 is hinged with the other end of the second hinge rod 16, and finally the other end of the first hinge rod 15 is fixedly sleeved on the corresponding hinge seat 14, all the locking mechanisms 13 are installed according to the operation, but the second hinge lever 16 is not inserted into the square deep groove 3 after being installed, the locking mechanism 13 functions so that when the first mounting plate 10 is pushed up by force, the first hinge rod 15 drives the second hinge rod 16 to extend outwards and insert into the square deep groove 3, thereby playing a role in fixing, as the pressure relief upright post 7 is provided with the pressure relief through hole, when the shock wave is received, a part of the shock wave is discharged outwards through the pressure relief through hole, so that the pressure is reduced.
One side of strikeing board 6 near circular mounting groove 1 is processed and is had a plurality of second fixed upright 17, strikeing board 6 passes through second bracing piece 18 and adjacent first mounting panel 10 fixed connection.
Firstly set up second bracing piece 18 is fixed on second fixed column 17, fix second fixed column 17 again at the first fixed column 11 fixed connection of the lower extreme of the first mounting panel 10 that is close to impingement plate 6, and the area of impingement plate 6 slightly is less than the open area of piping shaft, impingement plate 6 is when receiving the shock wave, 6 upward movement of impingement plate to drive first mounting panel 10 upward movement, thereby make second hinge bar 16 insert in square deep trouth 3.
The upper surface of the well lid 22 is provided with a second circular through groove 19, and the second circular through groove 19 is fixedly provided with a ventilation cover 20 corresponding to the pressure relief through hole.
The second circular through groove 19 is located the position directly over pressure release stand 7, and the fixed ventilative lid 20 that is provided with in the circular through groove 19 of second is in order to derive pressure, but also protects safety and prevents that rubbish from falling into processing and have parallel baffle.
In order to facilitate the installation of the circular mounting groove 1, a second mounting plate 21 is fixedly arranged right below the well lid mounting seat, and then the circular mounting groove 1 is fixedly arranged on the second mounting plate 21.
The above embodiments only represent one or several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The utility model provides an explosion-proof pipeline valve well lid of safe type, includes the piping shaft and fixed well lid mount pad and well lid (22) that set up in the piping shaft export, its characterized in that still includes the explosion-proof equipment who sets up at well lid (22) lower extreme, explosion-proof equipment includes:
the manhole cover mounting structure comprises a circular mounting groove (1) which is fixedly arranged at the lower end of a manhole cover mounting seat in a vertical state, wherein a plurality of square through grooves (2) are processed on the inner wall of the circular mounting groove (1), square deep grooves (3) matched with the square through grooves (2) are processed on the inner wall of a pipe well, and a first circular through groove (4) is processed at one end, away from a manhole cover (22), of the circular mounting groove (1);
the locking pressure relief device (5) is fixedly arranged in the circular mounting groove (1) in a vertical state, and the output end of the locking pressure relief device (5) is positioned in the square through grooves (2);
and the impact plate (6) is fixedly arranged right below the locking and pressure relief device (5) in a horizontal state.
2. The safety explosion-proof pipe valve well lid of claim 1, wherein the locking pressure relief device (5) comprises:
the pressure relief upright post (7) is fixedly arranged at the bottom of the circular mounting groove (1) in a vertical state, the pressure relief upright post (7) is coaxially arranged with the circular mounting groove (1), and a plurality of annular mounting grooves (8) are formed in the pressure relief upright post (7);
the number of the hoops (9) is the same as that of the annular mounting grooves (8), and the hoops are coaxially arranged in the corresponding annular mounting grooves (8);
the number of the first mounting plates (10) is the same as that of the annular circular mounting grooves (1), the first mounting plates are coaxially arranged on the pressure relief stand columns (7), the lower end of each first mounting plate (10) is abutted to the upper surface of the corresponding hoop (9), and a plurality of first fixing stand columns (11) are machined at the upper end and the lower end of each first mounting plate (10);
the two ends of the first supporting rods (12) are fixedly arranged on the corresponding first fixed upright posts (11);
and the locking mechanisms (13) are all fixedly arranged on the first mounting plate (10).
3. The safety explosion-proof pipe valve well lid according to claim 2, wherein each locking mechanism (13) comprises:
the hinged seats (14) are fixedly arranged on one side, close to the well cover (22), of the first mounting plate (10);
the number of the first hinge rods (15) is the same as that of the hinge seats (14), and one end of each first hinge rod is hinged to the hinge seat (14);
and the number of the second hinge rods (16) is the same as that of the first hinge rods (15), one end of each second hinge rod is hinged with one end of each first hinge rod (15), and the other end of each second hinge rod is inserted into the corresponding square through groove (2).
4. The safety type explosion-proof pipeline valve well lid is characterized in that one side, close to the circular installation groove (1), of the impact plate (6) is provided with a plurality of second fixed upright posts (17), and the impact plate (6) is fixedly connected with the adjacent first installation plate (10) through second support rods (18).
5. The safety explosion-proof pipeline valve well lid as recited in claim 2, characterized in that a second circular through groove (19) is formed on the upper surface of the well lid (22), and a ventilation cover (20) is fixedly arranged on the second circular through groove (19).
6. The safety type explosion-proof pipeline valve well lid as recited in claim 1, characterized in that a second mounting plate (21) is fixedly connected to one end of the circular mounting groove (1) close to the well lid (22), and the second mounting plate (21) is fixedly connected to the lower end of the well lid mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221196522.XU CN217231946U (en) | 2022-05-17 | 2022-05-17 | Safety type explosion-proof pipeline valve well lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221196522.XU CN217231946U (en) | 2022-05-17 | 2022-05-17 | Safety type explosion-proof pipeline valve well lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217231946U true CN217231946U (en) | 2022-08-19 |
Family
ID=82822606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221196522.XU Active CN217231946U (en) | 2022-05-17 | 2022-05-17 | Safety type explosion-proof pipeline valve well lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217231946U (en) |
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2022
- 2022-05-17 CN CN202221196522.XU patent/CN217231946U/en active Active
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