CN214702601U - Special safety pressure detection joint for liquid tank truck - Google Patents
Special safety pressure detection joint for liquid tank truck Download PDFInfo
- Publication number
- CN214702601U CN214702601U CN202121202154.0U CN202121202154U CN214702601U CN 214702601 U CN214702601 U CN 214702601U CN 202121202154 U CN202121202154 U CN 202121202154U CN 214702601 U CN214702601 U CN 214702601U
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- China
- Prior art keywords
- pipeline
- joint
- tank car
- air inlet
- joint body
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- 239000007788 liquid Substances 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000007789 gas Substances 0.000 claims abstract description 32
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 20
- 239000012071 phase Substances 0.000 description 29
- 239000007792 gaseous phase Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model belongs to the technical field of tank car pressure detection, and relates to a special safe pressure detection joint for a liquid tank car, which comprises a joint body, wherein the top of the joint body is externally connected with a tank car gas-phase pipeline; the bottom of the connector body is communicated with one end of an air inlet pipeline, an air inlet valve is arranged on the air inlet pipeline, and the other end of the air inlet pipeline is externally connected with a nitrogen pipeline; one side of the joint body is connected with an air release valve, and the joint body is also provided with a pressure gauge. The utility model discloses carry out effectual judgement to tank car inner structure, whether the accurate tank car gas phase pipeline of judging is the passageway, avoids the tank wagon to produce when the loading and suppresses the pressure phenomenon, prevents the production of incident.
Description
Technical Field
The utility model relates to a special safe pressure detection of liquid tank car connects belongs to tank car pressure detection technical field.
Background
The liquid tank truck is used as a main storage and transportation tool for liquid transportation due to the flexible maneuverability, rapidness, convenience and high transportation efficiency; when the liquid tank truck is used, whether the gas phase of the tank truck is a passage or not is firstly detected, and the following modes are adopted for detecting the gas phase of the tank truck in the prior art: at first the staff opens the gaseous phase closing cap of tank car lower part, presses the gaseous phase button of tank car, if hear tank car top gaseous phase sucking disc and tank car outer wall laminating and the sound of sending, can tentatively judge that the gaseous phase equipment of tank car is in available state, but this detection mode can not carry out effectual judgement to tank car inner structure, if the inside gaseous phase pipeline of tank car has the jam, makes the liquid tank car produce the phenomenon of suppressing pressure when the loading, causes the incident easily.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects in the prior art are overcome, the special safe pressure detection joint for the liquid tank truck is provided, the internal structure of the tank truck is effectively judged, whether the gas-phase pipeline of the tank truck is smooth or not is accurately judged, the pressure build-up phenomenon generated when the tank truck is loaded is avoided, and the safety accident is prevented.
The special safe pressure detection joint for the liquid tank truck comprises a joint body, wherein the top of the joint body is externally connected with a tank truck gas-phase pipeline; the bottom of the connector body is communicated with one end of an air inlet pipeline, an air inlet valve is arranged on the air inlet pipeline, and the other end of the air inlet pipeline is externally connected with a nitrogen pipeline; one side of the joint body is connected with an air release valve, and the joint body is also provided with a pressure gauge.
When the pressure gauge is used, the top of the joint body of the utility model is connected with a tank car gas phase pipeline, an air inlet pipeline is connected with a nitrogen pipeline, a deflation valve is closed, an air inlet valve is opened slowly, if no pressure is observed on the pressure gauge and nitrogen enters the tank car, the tank car gas phase pipeline is smooth, and the tank car can be used normally; if the pressure displayed on the pressure gauge is observed and no nitrogen gas enters the tank car, closing the air inlet valve, opening the air release valve, and discharging the gas in the joint body and the gas phase pipeline of the tank car until no pressure is displayed on the pressure gauge, indicating that the gas phase pipeline of the tank car is not smooth and the tank car cannot be used; by the method, whether the gas-phase pipeline of the tank truck is smooth or not can be judged quickly and accurately, the pressure build-up phenomenon generated when the tank truck is loaded is avoided, and safety accidents are prevented. Loosen the connection of connecting body and tank car gas phase pipeline at last to and loosen the connection of air inlet pipeline and nitrogen gas pipeline, will the utility model discloses remove, the utility model discloses remove the in-process, the bleed valve is in normally open state, avoids removing the in-process and has gaseous spouting to the staff, guarantees staff's safety.
Preferably, the joint body is externally connected with a tank car gas phase pipeline through a first quick joint, the joint body is in threaded connection with a female port of the first quick joint, and the tank car gas phase pipeline is connected with a sub port of the first quick joint. The quick connector I can be used for quickly connecting the connector body to a gas phase pipeline of a tank car, and is simple to operate, convenient and quick.
Preferably, the air inlet pipeline is communicated with the external nitrogen pipeline through a second quick connector, the air inlet pipeline is connected with a female port of the second quick connector, and the nitrogen pipeline is connected with a secondary port of the second quick connector. The use of the second quick connector can quickly connect the air inlet pipeline to the nitrogen pipeline, and the quick connector is simple in operation, convenient and quick.
Preferably, the joint body is connected with a deflation valve through a deflation pipeline.
Compared with the prior art, the utility model beneficial effect who has is:
the utility model has the advantages of simple and reasonable design, through will connecting body intercommunication tank car gas phase pipeline, the air inlet pipeline communicates the nitrogen pipeline, makes the nitrogen gas in the nitrogen pipeline can get into the tank car through connecting the body, shows through the manometer simultaneously whether to connect this internal pressure, and then can judge whether the gas phase pipeline is unblocked, avoids appearing because the tank car gas phase pipeline is unblocked and the phenomenon is suppressed when the tank car loading appears, prevents the emergence of incident.
Drawings
FIG. 1 is a schematic view of a special safety pressure detection joint structure for a liquid tank truck.
In the figure: 1. a first quick connector; 2. an air bleed line; 3. a deflation valve; 4. a connector body; 5. a pressure gauge; 6. an air intake line; 7. an intake valve; 8. and a second quick connector.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
as shown in fig. 1, the safety pressure detection joint special for the liquid tank truck of the present invention comprises a joint body 4, wherein the top of the joint body 4 is externally connected with a tank truck gas-phase pipeline; the bottom of the joint body 4 is communicated with one end of an air inlet pipeline 6, an air inlet valve 7 is arranged on the air inlet pipeline 6, and the other end of the air inlet pipeline 6 is externally connected with a nitrogen pipeline; one side of the joint body 4 is connected with a release valve 3, and the joint body 4 is also provided with a pressure gauge 5.
In this embodiment:
the joint body 4 is externally connected with a gas phase pipeline of the tank car through the quick joint I1, the joint body 4 is in threaded connection with a primary opening of the quick joint I1, and the gas phase pipeline of the tank car is connected with a secondary opening of the quick joint I1. The first quick connector 1 can be used for quickly connecting the gas outlet pipeline 2 to a gas phase pipeline of the tank car, and is simple to operate, convenient and quick.
The air inlet pipeline 6 is communicated with the external nitrogen pipeline through the second quick connector 8, the air inlet pipeline 6 is connected with a female port of the second quick connector 8, and the nitrogen pipeline is connected with a secondary port of the second quick connector 8. The use of the second quick connector 8 can quickly connect the air inlet pipeline 6 to the nitrogen pipeline, and the quick connector is simple in operation, convenient and quick.
The joint body 4 is connected with a deflation valve 3 through a deflation pipeline 2.
During the specific working process, firstly, a worker opens a gas phase sealing cover at the lower part of the tank car, presses a gas phase button of the tank car, and can preliminarily judge that gas phase equipment of the tank car is in an available state if a sound generated by attaching a gas phase sucker at the top of the tank car to the outer wall of the tank car is heard; then the female port of the quick connector I1 at the top of the connector body 4 of the utility model is connected with the sub-port of the quick connector I1 on the gas phase pipeline of the tank car, the female port of the quick connector II 8 on the air inlet pipeline 6 is connected with the sub-port of the quick connector II 8 on the nitrogen pipeline, the air release valve 3 is closed, the air inlet valve 7 is opened slowly, if the pressure gauge 5 is observed to display no pressure, and the nitrogen entering inside the tank car is heard, the gas phase pipeline of the tank car is smooth, and the tank car can be normally used; if the pressure displayed on the pressure gauge 5 is observed and the nitrogen entering the tank car cannot be heard, closing the air inlet valve 7 and opening the air release valve 3 to discharge the gas in the joint body 4 and the gas phase pipeline of the tank car until no pressure is displayed on the pressure gauge 5, indicating that the gas phase pipeline of the tank car is not smooth and the tank car cannot be used; loosen the female mouth of quick-operation joint 1 at last and the being connected of secondary mouth, thereby the disconnection the utility model discloses with the tank car gas phase pipeline be connected, then loosen the female mouth of quick-operation joint two 8 and the being connected of secondary mouth, thereby the disconnection the utility model discloses with the being connected of nitrogen pipe way, general the utility model discloses remove the in-process, bleed valve 3 is in normally open state.
Claims (4)
1. The utility model provides a special safe pressure detection of liquid tank car connects which characterized in that: the joint comprises a joint body (4), wherein the top of the joint body (4) is externally connected with a tank car gas phase pipeline; the bottom of the joint body (4) is communicated with one end of an air inlet pipeline (6), an air inlet valve (7) is arranged on the air inlet pipeline (6), and the other end of the air inlet pipeline (6) is externally connected with a nitrogen pipeline; one side of the joint body (4) is connected with an air release valve (3), and the joint body (4) is also provided with a pressure gauge (5).
2. The safety pressure detection joint special for the liquid tank truck as claimed in claim 1, wherein: the joint body (4) is externally connected with a tank car gas phase pipeline through the quick joint I (1), the joint body (4) is in threaded connection with a female port of the quick joint I (1), and the tank car gas phase pipeline is connected with a sub port of the quick joint I (1).
3. The safety pressure detection joint special for the liquid tank truck as claimed in claim 1, wherein: the air inlet pipeline (6) is communicated with the external nitrogen pipeline through a second quick joint (8), the air inlet pipeline (6) is connected with a female port of the second quick joint (8), and the nitrogen pipeline is connected with a secondary port of the second quick joint (8).
4. The safety pressure detection joint special for the liquid tank truck as claimed in claim 1, wherein: the joint body (4) is connected with a deflation valve (3) through a deflation pipeline (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121202154.0U CN214702601U (en) | 2021-05-31 | 2021-05-31 | Special safety pressure detection joint for liquid tank truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121202154.0U CN214702601U (en) | 2021-05-31 | 2021-05-31 | Special safety pressure detection joint for liquid tank truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214702601U true CN214702601U (en) | 2021-11-12 |
Family
ID=78554749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121202154.0U Active CN214702601U (en) | 2021-05-31 | 2021-05-31 | Special safety pressure detection joint for liquid tank truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214702601U (en) |
-
2021
- 2021-05-31 CN CN202121202154.0U patent/CN214702601U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Special safety pressure detection joint for liquid tank trucks Effective date of registration: 20230426 Granted publication date: 20211112 Pledgee: Zibo Linzi District Qisheng Investment Management Co.,Ltd. Pledgor: SHANDONG QINGYISHAN PETROCHEMICAL TECHNOLOGY CO.,LTD.|SHANDONG FANGYU LUBRICANT CO.,LTD.|SHANDONG QINGYUAN GROUP Co.,Ltd.|SHANDONG QINGYUAN PETROCHEMICAL Co.,Ltd. Registration number: Y2023980038975 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20231024 Granted publication date: 20211112 |