CN109469788A - Low-temperature liquefaction vehicle fuel tank car control box shut-off valve valve rod device for plugging - Google Patents
Low-temperature liquefaction vehicle fuel tank car control box shut-off valve valve rod device for plugging Download PDFInfo
- Publication number
- CN109469788A CN109469788A CN201811568436.5A CN201811568436A CN109469788A CN 109469788 A CN109469788 A CN 109469788A CN 201811568436 A CN201811568436 A CN 201811568436A CN 109469788 A CN109469788 A CN 109469788A
- Authority
- CN
- China
- Prior art keywords
- half module
- hough half
- valve
- hough
- cavity
- 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.)
- Pending
Links
- 239000002828 fuel tank Substances 0.000 title claims abstract description 9
- 239000003292 glue Substances 0.000 claims abstract description 16
- 239000003949 liquefied natural gas Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The present invention relates to a kind of low-temperature liquefaction vehicle fuel tank car control box shut-off valve valve rod device for plugging, including the first Hough half module and the second Hough half module, first Hough half module and the second Hough half module are mutually matched obvolvent connection and the internal cavity for forming receiving shut-off valve valve rod, first Hough half module and the second Hough half module have seal groove at the both ends of cavity, sealing foot pad is equipped with inside seal groove, first Hough half module is equipped with the hole for injecting glue being connected to cavity, installs rubber injecting valve in hole for injecting glue.The present invention, which can be realized, effectively seals the generation revealed to prevent stopping leak to the progress of liquefied natural gas tank car control box internal closure valve valve rod.
Description
Technical field
The invention belongs to the technical fields of shut-off valve valve rod leak stopping, more particularly to a kind of low-temperature liquefaction vehicle fuel tank car
Control box shut-off valve valve rod device for plugging.
Background technique
The energy is the power of foundation stone and development existing for human society.With the development of the social economy, being fired facing to fossil
Expect the challenge of lack of energy, the exploitation of new energy is paid close attention in countries in the world one after another, and wherein natural gas is with its cleaning, pollution-free, efficiency
Many advantages, such as high and favored.Currently, there are two types of the mainstream storing modes of natural gas: high-pressure gaseous storage and low temperature liquid
Storage, liquefied petroleum gas (LNG) tank car using the mode storing liquid of Cryo Heat Insulation natural gas.
Liquefied natural gas (LNG) storage tank car is the land main mobile storage for transporting LNG, but due to LNG itself
Physical characteristic, incident of leakage happens occasionally in liquefied natural gas (LNG) storage tank car driving process, row especially in control box
Transfer pipeline, flange, valve of column etc. are the high risk positions that liquefied natural gas (LNG) storage tank car leaks.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of low-temperature liquefaction vehicle fuel tank car control box shut-off valve valves
Bar device for plugging solves the problems, such as liquefied natural gas tank car control box internal closure valve valve rod leakage proof.
The technical solution adopted by the present invention to solve the technical problems is to provide a kind of low-temperature liquefaction vehicle fuel tank car behaviour
Make case shut-off valve valve rod device for plugging, including the first Hough half module and the second Hough half module, the first Hough half module and second
Hough half module is mutually matched obvolvent connection and the internal cavity for forming receiving shut-off valve valve rod, the first Hough half module and second
Hough half module has seal groove at the both ends of cavity, and sealing foot pad, first Hough half are equipped with inside the seal groove
Mould is equipped with the hole for injecting glue being connected to cavity, installs rubber injecting valve in the hole for injecting glue.
The two sides of the first Hough half module and the second Hough half module are respectively equipped with the connection wing, the first Hough half module
The connection wing of the connection wing and the second Hough half module correspondence is provided with bolt hole, between the first Hough half module and the second Hough half module
Obvolvent connection locking is carried out by connection bolt passing through bolt hole.
The hole for injecting glue is set as two, and two hole for injecting glue are respectively arranged at the two close end end position of cavity.
The cavity is integrally cylindrical, middle part forms expanding cavity.
Beneficial effect
First, the present invention can encapsulation on the outside of shut-off valve valve rod, the both ends of cavity are respectively equipped with seal groove and seal groove
Interior setting seal gasket and shut-off valve valve rod cooperate sealing and anti-leakage.
Second, the present invention can carry out injecting glue sealing to shut-off valve valve rod of the collet inside cavity when in use, can
It is more effectively prevented from the generation of shut-off valve valve rod leakage.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of the first Hough half module of the invention.
Fig. 3 is the structural schematic diagram of the second Hough half module of the invention.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
A kind of low-temperature liquefaction vehicle fuel tank car control box shut-off valve valve rod device for plugging as shown in Figure 1, including first
Hough half module 1 and the second Hough half module 2.
The structure of first Hough half module 1 as shown in Fig. 2, the structure of the second Hough half module 2 as shown in figure 3, the first Hough half
Mould 1 and the second Hough half module 2 are mutually matched obvolvent and the internal cavity for forming receiving shut-off valve valve rod.First Hough half module, 1 He
The two sides of second Hough half module 2 are respectively equipped with the connection wing, the connection of the connection wing and the second Hough half module 2 of the first Hough half module 1
The wing correspondence is provided with bolt hole 7, between the first Hough half module 1 and the second Hough half module 2 by connection bolt 8 pass through bolt hole 7 into
Row obvolvent connection locking.Cavity is integrally cylindrical, and middle part forms expanding cavity, matches with the shape of shut-off valve valve rod.
First Hough half module 1 and the second Hough half module 2 have seal groove 4 at the both ends of cavity, set inside seal groove 4
There is sealing foot pad, sealing can be cooperated to achieve the effect that leakproof with shut-off valve valve rod.
It is set on first Hough half module 1 there are two the hole for injecting glue 5 being connected to cavity, two hole for injecting glue 5 are respectively arranged at cavity
Two close end end position, rubber injecting valve 6 is installed in hole for injecting glue 5.It can be to collet by hole for injecting glue 5 in use, opening rubber injecting valve 6
Shut-off valve valve rod inside cavity carries out injecting glue sealing, the generation that shut-off valve valve rod can be effectively prevent to reveal.
Claims (4)
1. a kind of low-temperature liquefaction vehicle fuel tank car control box shut-off valve valve rod device for plugging, including the first Hough half module (1) and
Second Hough half module (2), it is characterised in that: the first Hough half module (1) and the second Hough half module (2) are mutually matched obvolvent company
It connects and inside forms the cavity for accommodating shut-off valve valve rod, the first Hough half module (1) and the second Hough half module (2) are in cavity
Both ends have seal groove (4), and sealing foot pad is equipped with inside the seal groove (4), and the first Hough half module (1) is equipped with
The hole for injecting glue (5) being connected to cavity, the hole for injecting glue (5) is middle to install rubber injecting valve (6).
2. a kind of low-temperature liquefaction vehicle fuel tank car control box shut-off valve valve rod device for plugging according to claim 1,
Be characterized in that: the two sides of the first Hough half module (1) and the second Hough half module (2) are respectively equipped with the connection wing, and described first breathes out
The connection wing of the connection wing of husband's half module (1) and the second Hough half module (2) correspondence is provided with bolt hole (7), the first Hough half module
(1) bolt hole (7) are passed through by connection bolt (8) between the second Hough half module (2) and carries out obvolvent connection locking.
3. a kind of liquefied natural gas tank car control box shut-off valve according to claim 1 connect leak stopping elbow with pipeline,
Be characterized in that: the hole for injecting glue (6) is set as two, and two hole for injecting glue (6) are respectively arranged at the two close end end position of cavity.
4. a kind of liquefied natural gas tank car control box shut-off valve according to claim 1 connect leak stopping elbow with pipeline,
Be characterized in that: the cavity is integrally cylindrical, middle part forms expanding cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811568436.5A CN109469788A (en) | 2018-12-21 | 2018-12-21 | Low-temperature liquefaction vehicle fuel tank car control box shut-off valve valve rod device for plugging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811568436.5A CN109469788A (en) | 2018-12-21 | 2018-12-21 | Low-temperature liquefaction vehicle fuel tank car control box shut-off valve valve rod device for plugging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109469788A true CN109469788A (en) | 2019-03-15 |
Family
ID=65674999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811568436.5A Pending CN109469788A (en) | 2018-12-21 | 2018-12-21 | Low-temperature liquefaction vehicle fuel tank car control box shut-off valve valve rod device for plugging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109469788A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541957A (en) * | 2019-06-27 | 2019-12-06 | 中海油(福建)应急维修有限责任公司 | Be applied to plugging device of liquefied natural gas valve leak hunting department |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202708461U (en) * | 2012-02-09 | 2013-01-30 | 宁波二十冶建设有限公司 | Pipeline leakage stoppage device |
| CN103883839A (en) * | 2014-03-20 | 2014-06-25 | 上海华力微电子有限公司 | Emergency leakage stopping box of stainless steel pipeline and method for installing emergency leakage stopping box |
| CN203757287U (en) * | 2014-03-19 | 2014-08-06 | 开封龙宇化工有限公司 | Pressure leaking stoppage clamp for 90-degree bend pipeline |
| CN204692897U (en) * | 2015-06-02 | 2015-10-07 | 张庆国 | A kind of two-stage closed conduit covering leaks clamping |
| CN106594452A (en) * | 2016-12-19 | 2017-04-26 | 北方华锦化学工业集团有限公司 | Leaking stoppage clamp under pressure |
| CN206377396U (en) * | 2016-12-20 | 2017-08-04 | 中国石油天然气股份有限公司 | Valve plugging fixture |
| CN108868666A (en) * | 2018-05-08 | 2018-11-23 | 大庆市金顺机械设备修理有限公司 | Water injection well producing well pipeline pressurized leak stopping sealing and reinforcing device |
| CN209819033U (en) * | 2018-12-21 | 2019-12-20 | 上海市特种设备监督检验技术研究院 | Valve rod plugging device for stop valve of fuel tank car operation box for low-temperature liquefaction vehicle |
-
2018
- 2018-12-21 CN CN201811568436.5A patent/CN109469788A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202708461U (en) * | 2012-02-09 | 2013-01-30 | 宁波二十冶建设有限公司 | Pipeline leakage stoppage device |
| CN203757287U (en) * | 2014-03-19 | 2014-08-06 | 开封龙宇化工有限公司 | Pressure leaking stoppage clamp for 90-degree bend pipeline |
| CN103883839A (en) * | 2014-03-20 | 2014-06-25 | 上海华力微电子有限公司 | Emergency leakage stopping box of stainless steel pipeline and method for installing emergency leakage stopping box |
| CN204692897U (en) * | 2015-06-02 | 2015-10-07 | 张庆国 | A kind of two-stage closed conduit covering leaks clamping |
| CN106594452A (en) * | 2016-12-19 | 2017-04-26 | 北方华锦化学工业集团有限公司 | Leaking stoppage clamp under pressure |
| CN206377396U (en) * | 2016-12-20 | 2017-08-04 | 中国石油天然气股份有限公司 | Valve plugging fixture |
| CN108868666A (en) * | 2018-05-08 | 2018-11-23 | 大庆市金顺机械设备修理有限公司 | Water injection well producing well pipeline pressurized leak stopping sealing and reinforcing device |
| CN209819033U (en) * | 2018-12-21 | 2019-12-20 | 上海市特种设备监督检验技术研究院 | Valve rod plugging device for stop valve of fuel tank car operation box for low-temperature liquefaction vehicle |
Non-Patent Citations (2)
| Title |
|---|
| 常贵宁等编著: "《 工业泄漏与治理》", 30 June 2001, 中国石化出版社, pages: 95 - 100 * |
| 赵良编著: "《 带压堵漏技术实例》", 31 October 2007, 河南科学技术出版社, pages: 57 - 67 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541957A (en) * | 2019-06-27 | 2019-12-06 | 中海油(福建)应急维修有限责任公司 | Be applied to plugging device of liquefied natural gas valve leak hunting department |
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