CN216868187U - Automatic leakage-proof device for liquefied natural gas - Google Patents
Automatic leakage-proof device for liquefied natural gas Download PDFInfo
- Publication number
- CN216868187U CN216868187U CN202220315762.0U CN202220315762U CN216868187U CN 216868187 U CN216868187 U CN 216868187U CN 202220315762 U CN202220315762 U CN 202220315762U CN 216868187 U CN216868187 U CN 216868187U
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- China
- Prior art keywords
- transmission
- belt pulley
- natural gas
- liquefied natural
- threaded
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- 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
- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 61
- 239000007789 gas Substances 0.000 claims abstract description 19
- 230000004888 barrier function Effects 0.000 claims abstract description 7
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 14
- 239000003345 natural gas Substances 0.000 abstract description 6
- 230000002265 prevention Effects 0.000 abstract description 3
- 230000006698 induction Effects 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses an automatic liquefied natural gas leakage preventing device, which belongs to the field of natural gas leakage prevention and comprises a gas tank body, wherein the top of the gas tank body is provided with a carrying table, two ends of the carrying table are clamped with fixing devices, the top of the carrying table is provided with a supporting plate, the top of the supporting plate is in threaded connection with a threaded transmission sleeve, a transmission shaft is sleeved at an axial hole of the threaded transmission sleeve, the top of the transmission shaft is in transmission connection with a first belt pulley, the first belt pulley is in transmission connection with a second belt pulley through a transmission belt, the bottom of the second belt pulley is in transmission connection with a motor, the motor is fixedly connected to the top of the supporting plate, the top of the supporting plate is provided with a placing table, the top of the placing table is provided with a barrier displacement sensor, the bottom of the transmission shaft is fixedly connected with a switch clamping device, and the transmission belt pulleys of the first belt pulley and the second belt pulley are wide-groove transmission wheels, it can achieve a final induction seal when other leak protection devices are deactivated.
Description
Technical Field
The utility model relates to the field of natural gas leakage prevention, in particular to an automatic liquefied natural gas leakage prevention device.
Background
Natural gas is a generic term for hydrocarbon-based gas mixtures present in subterranean rock reservoirs, has a specific gravity of about 0.65, is lighter than air, and has the characteristics of being colorless, odorless, and non-toxic. Liquefied natural gas, whose main component is methane, is recognized as the cleanest fossil energy source on earth. The liquefied natural gas is colorless, tasteless, nontoxic and noncorrosive, the volume of the liquefied natural gas is about 1/625 of the volume of the same amount of gaseous natural gas, and the mass of the liquefied natural gas is only about 45 percent of the same volume of water.
When being used for domestic gas, the existing liquefied natural gas always leaks and then causes safety accidents, and the existing gas tank does not have a leakage-preventing device, so that the leakage of the liquefied natural gas can not be effectively prevented when a rubber gasket of the pressure reducing valve is hardened or damaged.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
In view of the problems in the prior art, the utility model aims to provide an automatic liquefied natural gas leakage preventing device which can realize final induction sealing when other leakage preventing devices lose the action.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides an automatic device of preventing leaking of liquefied natural gas, includes the gas jar body, the top of the gas jar body is provided with the floor table, the both ends joint of floor table has fixing device, the top of floor table is provided with the backup pad, the top threaded connection of backup pad has the screw thread transmission cover, the transmission shaft has been cup jointed to the axle center hole department of screw thread transmission cover, the top transmission of transmission shaft is connected with belt pulley one, belt pulley one is connected with belt pulley two through drive belt transmission, the bottom transmission of belt pulley two is connected with the motor, motor fixed connection is at the top of backup pad, the top of backup pad is provided with places the platform, the top of placing the platform is provided with the barrier displacement inductor, the bottom fixedly connected with switch latch device of transmission shaft, the top center of the gas jar body is provided with the valve switch.
Further, fixing device includes fixed plate, sheet rubber, fastening screw, the both ends joint of transport platform has the fixed plate, the top fixed connection of sheet rubber is at the top of backup pad, the sheet rubber joint is in fastening screw's inboard, the fixed plate at both ends passes through fastening screw interconnect.
Further, switch latch device includes shell, rubber pad, limiting plate, fixed joint pole, the top fixedly connected with belt pulley of shell is first, the top fixedly connected with rubber pad of the inner wall of shell, the inner wall of rubber pad is provided with the limiting plate, the round hole has been seted up on the surface of limiting plate, the limiting plate closely range is alternated to fixed joint pole.
Furthermore, the top of the fixed clamping rod is in a regular hexagon shape, and the bottom of the fixed clamping rod is in a cylindrical shape.
Furthermore, the top of the threaded transmission sleeve is in threaded connection with the transmission shaft through a screw, and a plurality of equidistant threaded holes are formed in the outer surface of the transmission shaft.
Furthermore, the transmission belt pulley of the first belt pulley and the second belt pulley is a wide-groove transmission wheel.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
(1) this scheme senses the natural gas through external natural gas's the inductor of revealing and sends drive signal to the motor after leaking, make the motor drive two rotations of belt pulley and then drive one rotation of belt pulley through the belt from this, and then make the transmission shaft rotate, it drives the screw drive cover to rotate to make the transmission shaft wholly push down again, it is fixed to make switch latch device accomplish the transmission to the valve switch after pushing down from this, the drive that continues can make the valve switch take place to seal, accomplish liquefied natural gas's sealed from this, this makes the unable rotation of transmission shaft, make a belt pulley idle running make the conveyer belt stall from this, make the signal of telecommunication of barrier displacement inductor response disappear from this after, and then send stall signal to the motor.
(2) The rubber sheet laminating through setting is at the surface of transfer table, again with the fixed plate joint at the surface of transfer table, and rethread fastening screw presss from both sides tightly, fixes through the rubber sheet friction from this the not fixed of the gas pipe of equidimension of adaptation.
(3) The shell that sets up pushes down and makes valve switch promote upwards to some fixing clip pole, fixes the valve switch of different shapes to the shell from this, and the elasticity that the fixing clip pole passed through the rubber pad makes fixing clip pole reset when the bench.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front cross-sectional view of the structure of the present invention;
FIG. 3 is a left side cross-sectional view of the present invention;
FIG. 4 is a top cross-sectional view of the fastening device of the present invention;
FIG. 5 is a front cross-sectional view of the switch card connector of the present invention;
FIG. 6 is a top cross-sectional view of the switch latch of the present invention;
FIG. 7 is a schematic view of a fixed clamping bar of the present invention.
The reference numbers in the figures illustrate:
1. a gas tank body; 2. a carrying table; 3. a fixing device; 301. a fixing plate; 302. a rubber sheet; 303. fastening screws; 4. a support plate; 5. a threaded drive sleeve; 6. a drive shaft; 7. a first belt pulley; 8. a second belt pulley; 9. a barrier displacement sensor; 10. a motor; 11. a switch latch; 1101. a housing; 1102. a rubber pad; 1103. a limiting plate; 1104. fixing the clamping and connecting rod; 12. and (6) opening and closing a valve.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Referring to fig. 1-7, an automatic leakage preventing device for liquefied natural gas comprises a gas tank body 1, a carrying table 2 is arranged at the top of the gas tank body 1, fixing devices 3 are clamped at two ends of the carrying table 2, a supporting plate 4 is arranged at the top of the carrying table 2, a threaded transmission sleeve 5 is in threaded connection with the top of the supporting plate 4, a transmission shaft 6 is sleeved at an axial hole of the threaded transmission sleeve 5, a first belt pulley 7 is in transmission connection with the top of the transmission shaft 6, a second belt pulley 8 is in transmission connection with the first belt pulley 7 through a transmission belt, a motor 10 is in transmission connection with the bottom of the second belt pulley 8, the motor 10 is fixedly connected to the top of the supporting plate 4, a placing table is arranged at the top of the placing table, a barrier displacement sensor 9 is arranged at the top of the placing table, a switch clamping device 11 is fixedly connected to the bottom of the transmission shaft 6, and a valve switch 12 is arranged at the center of the top of the gas tank body 1. Fixing device 3 includes fixed plate 301, sheet rubber 302, fastening screw 303, the both ends joint of floor table 2 has fixed plate 301, the top fixed connection of sheet rubber 302 is at the top of backup pad 4, sheet rubber 302 joint is in fastening screw 303's inboard, the fixed plate 301 at both ends passes through fastening screw 303 interconnect, sheet rubber 302 laminating through setting up is at the surface of floor table 2, again with fixed plate 301 joint at the surface of floor table 2, rethread fastening screw 303 presss from both sides tightly, fix the fixed of the gas pipe that adapts to not equidimension from this through sheet rubber 302 friction.
Referring to fig. 5-6, switch latch 11 includes housing 1101, rubber pad 1102, limiting plate 1103, fixing clamping rod 1104, top fixedly connected with belt pulley 7 of housing 1101, top fixedly connected with rubber pad 1102 of the inner wall of housing 1101, the inner wall of rubber pad 1102 is provided with limiting plate 1103, the round hole has been seted up on the surface of limiting plate 1103, fixing clamping rod 1104 passes through limiting plate 1103 and closely arranges, make valve switch 12 upwards promote to partial fixing clamping rod 1104 through the casing 1101 who sets up to push down, fix valve switch 12 of different shapes to housing 1101 from this, fixing clamping rod 1104 makes fixing clamping rod 1104 reset through the elasticity of rubber pad 1102 when the bench.
Referring to fig. 5-6, the top of the fixing clip bars 1104 is regular hexagonal, and the bottom is cylindrical so that the top is attached to the bottom to prevent the fixing clip bars 1104 from tilting and clamping with each other.
Referring to fig. 2, the top of the threaded transmission sleeve is in threaded connection with the transmission shaft 6 through a screw, and a plurality of equidistant threaded holes are formed in the outer surface of the transmission shaft 6, so that the switches with different heights can be conveniently compressed and fixed.
Referring to fig. 2-3, the driving pulleys of pulley one 7 and pulley two 8 are wide-groove driving wheels, so that the driving shaft 6 can continue to be driven when moving downwards.
When in use: therefore, the motor 10 drives the belt pulley II 8 to rotate and then drives the belt pulley I7 to rotate through a belt, and further drives the transmission shaft 6 to rotate, the transmission shaft 6 drives the threaded transmission sleeve 5 to rotate to enable the transmission shaft 6 to be pressed downwards integrally, the switch clamping device 11 is pressed downwards to complete transmission and fixation on the valve switch 12, continuous driving enables the valve switch 12 to be sealed, sealing of liquefied natural gas is completed, the transmission shaft 6 cannot rotate, the belt pulley I7 idles to enable the transmission belt to stop rotating, electric signals sensed by the barrier displacement sensor 9 disappear, and then a stop signal is sent to the motor 10, the rubber sheet 302 is attached to the outer surface of the carrying table 2, the fixing plate 301 is clamped to the outer surface of the carrying table 2, clamping is carried out through the fastening screw 303, and friction fixing is carried out through the rubber sheet 302 so as to adapt to fixing of gas pipes with different sizes, the valve switch 12 is lifted upwards by a part of the fixed clamping rod 1104 by pressing down the arranged shell 1101, so that the shell 1101 fixes the valve switch 12 with different shapes, and the fixed clamping rod 1104 is reset by the elasticity of the rubber pad 1102 when the shell 1101 is on the bench.
The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (6)
1. The utility model provides an automatic device of preventing leaking of liquefied natural gas, includes the gas jar body (1), its characterized in that: the gas tank is characterized in that a carrying table (2) is arranged at the top of the gas tank body (1), fixing devices (3) are clamped at two ends of the carrying table (2), a supporting plate (4) is arranged at the top of the carrying table (2), a threaded transmission sleeve (5) is connected to the top of the supporting plate (4) in a threaded manner, a transmission shaft (6) is sleeved at an axial hole of the threaded transmission sleeve (5), a first belt pulley (7) is connected to the top of the transmission shaft (6) in a transmission manner, a second belt pulley (8) is connected to the first belt pulley (7) in a transmission manner through a transmission belt, a motor (10) is connected to the bottom of the second belt pulley (8) in a transmission manner, the motor (10) is fixedly connected to the top of the supporting plate (4), a placing table is arranged at the top of the supporting plate (4), a barrier displacement inductor (9) is arranged at the top of the placing table, and a switch clamping device (11) is fixedly connected to the bottom of the transmission shaft (6), the center of the top of the gas tank body (1) is provided with a valve switch (12).
2. An automatic liquefied natural gas leakage preventing apparatus according to claim 1, wherein: fixing device (3) are including fixed plate (301), sheet rubber (302), fastening screw (303), the both ends joint of transport platform (2) has fixed plate (301), the top fixed connection of sheet rubber (302) is at the top of backup pad (4), sheet rubber (302) joint is in the inboard of fastening screw (303), the fixed plate (301) at both ends pass through fastening screw (303) interconnect.
3. An automatic liquefied natural gas leakage preventing apparatus according to claim 1, wherein: switch latch device (11) includes shell (1101), rubber pad (1102), limiting plate (1103), fixed joint pole (1104), the top fixedly connected with belt pulley (7) of shell (1101), the top fixedly connected with rubber pad (1102) of the inner wall of shell (1101), the inner wall of rubber pad (1102) is provided with limiting plate (1103), the round hole has been seted up on the surface of limiting plate (1103), limiting plate (1103) closely arranged has been alternated in fixed joint pole (1104).
4. An automatic liquefied natural gas leakage preventing device as claimed in claim 3, wherein: the top of the fixed clamping connection rod (1104) is in a regular hexagon shape, and the bottom of the fixed clamping connection rod is in a cylindrical shape.
5. An automatic liquefied natural gas leakage preventing apparatus according to claim 1, wherein: the top of the threaded transmission sleeve (5) is in threaded connection with the transmission shaft (6) through a screw, and a plurality of equidistant threaded holes are formed in the outer surface of the transmission shaft (6).
6. An automatic liquefied natural gas leakage preventing apparatus according to claim 1, wherein: and the transmission belt pulleys of the first belt pulley (7) and the second belt pulley (8) are wide-groove transmission wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220315762.0U CN216868187U (en) | 2022-02-15 | 2022-02-15 | Automatic leakage-proof device for liquefied natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220315762.0U CN216868187U (en) | 2022-02-15 | 2022-02-15 | Automatic leakage-proof device for liquefied natural gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216868187U true CN216868187U (en) | 2022-07-01 |
Family
ID=82155181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220315762.0U Expired - Fee Related CN216868187U (en) | 2022-02-15 | 2022-02-15 | Automatic leakage-proof device for liquefied natural gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216868187U (en) |
-
2022
- 2022-02-15 CN CN202220315762.0U patent/CN216868187U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220701 |