CN117401304A - Cutting-off interlocking device and control method for dangerous goods liquid tank truck - Google Patents
Cutting-off interlocking device and control method for dangerous goods liquid tank truck Download PDFInfo
- Publication number
- CN117401304A CN117401304A CN202311408229.4A CN202311408229A CN117401304A CN 117401304 A CN117401304 A CN 117401304A CN 202311408229 A CN202311408229 A CN 202311408229A CN 117401304 A CN117401304 A CN 117401304A
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- Prior art keywords
- loading
- unloading
- joint
- controller
- switch
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- 239000007788 liquid Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 16
- 230000002159 abnormal effect Effects 0.000 claims abstract description 7
- 239000000383 hazardous chemical Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003305 oil spill Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/22—Tank vehicles
- B60P3/224—Tank vehicles comprising auxiliary devices, e.g. for unloading or level indicating
- B60P3/2245—Adaptations for loading or unloading
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transportation (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Loading Or Unloading Of Vehicles (AREA)
Abstract
The invention provides a cutting-off interlocking device of a dangerous goods liquid tank truck, when a loading and unloading arm opening is broken, the pressure measured by a pressure detector 4 is lower than a pressure threshold value, and a cut-off switch 3 is immediately closed by a controller 7, so that dangerous goods liquid leakage is avoided; when the temperature measured by the temperature detector 4 is greater than the temperature threshold, the controller 7 immediately turns off the cut-off switch 3, so that accidents caused by abnormal temperature of dangerous goods liquid are avoided; when loading and unloading are completed, the disconnecting switch 3 is closed, the buoyancy detector 2 monitors that if buoyancy exists in the pipe cavity at the joint of the tank wagon joint 1 and the loading and unloading port of the tank wagon, information of residual dangerous material liquid exists between the tank wagon joint 1 and the loading and unloading port of the tank wagon is fed back to the controller 7, and the controller 7 triggers the warning device 8 to prompt operators to operate in a illegal mode, and the valve of the loading and unloading port of the tank wagon is not closed, so that the problem that oil filling riser leakage and other accidents are avoided in the actual loading and unloading process is solved.
Description
Technical Field
The invention relates to the technical field of chemical transportation safety, in particular to a cutting-off interlocking device and a control method of a dangerous goods liquid tank truck.
Background
According to the current national or local regulatory requirements, seven interlocks (human static electricity, grounding, oil spill, crane pipe homing, key interlocks, gas phase detection and combustible gas) must be installed at the loading site of dangerous chemical vehicles, and from this point of view analysis, the dangerous chemical loading process should be relatively safe.
In the actual loading and unloading process, a driver drives the vehicle to a specified loading place, pulls up a hand brake and parks the vehicle according to specified requirements, an operator connects a gas-liquid two-phase connecting pipe of a universal loading arm with a tank feeding port of the vehicle, then opens a manual ball valve, and starts a compressor to carry out loading operation. However, in the actual running process of the site, accidents such as oil filling riser leakage and the like are possibly caused by the fact that operators cannot be connected in place and have misoperation or the vehicle moves due to the misoperation in the process of loading and unloading the vehicle by a driver, and conditions such as property loss, personal injury and the like are seriously caused by the occurrence of leakage explosion accidents.
Disclosure of Invention
The invention aims to provide a cutting-off interlocking device and a control method for a dangerous goods liquid tank truck, which are used for solving the problems that in the actual loading and unloading process, accidents such as crane pipe leakage and the like are possibly caused by the fact that an operator cannot be connected in place and the operator moves due to misoperation in the loading and unloading process of the driver.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a cutting-off interlocking device of a dangerous goods liquid tank truck, which comprises a tank truck joint 1, a buoyancy detector 2, a cutting-off switch 3, a pressure detector 4, a temperature detector 5, a loading arm joint 6 and a controller 7;
the tank wagon joint 1 is connected with a tank wagon loading and unloading port;
the loading arm connector 2 is connected with a loading arm opening;
the controller 7 is connected with the buoyancy detector 2, the disconnecting switch 3, the pressure detector 4 and the temperature detector 5.
Preferably, an alarm 8 is also included, which is connected to the controller 7.
Preferably, the remote control device further comprises a manual remote control switch 9 and a wireless remote control switch 10, wherein the manual remote control switch 9 and the wireless remote control switch 10 are electrically connected with the controller 7.
The invention also provides a control method for cutting off and interlocking the dangerous goods liquid tank truck by using the dangerous goods liquid tank truck cutting off and interlocking device according to the technical scheme, which comprises the following steps:
connecting a tank car connector (1) of the dangerous goods liquid tank car cutting-off interlocking device with a tank car loading and unloading port, and connecting a loading and unloading arm connector 2 with the loading and unloading arm port;
starting a cut-off switch 3, and loading and unloading dangerous goods liquid by using a loading and unloading crane pipe orifice;
in the loading and unloading process, the pressure detector 4 monitors the pressure in the pipe cavity at the joint of the loading and unloading arm joint 2 and the loading and unloading arm port, when the loading and unloading arm port is broken, the pressure measured by the pressure detector 4 is lower than a pressure threshold value, and the controller 7 immediately closes the cut-off switch 3 to avoid leakage of dangerous material liquid;
meanwhile, in the loading and unloading process, the temperature detector 4 monitors the temperature in the pipe cavity at the joint of the loading and unloading arm joint 2 and the loading and unloading arm port, and when the temperature measured by the temperature detector 4 is greater than a temperature threshold value, the controller 7 immediately turns off the cut-off switch 3, so that accidents caused by abnormal temperature of dangerous material liquid are avoided;
when loading and unloading are completed, the disconnecting switch 3 is closed, the buoyancy detector 2 monitors whether buoyancy generated by residual dangerous material liquid exists in the pipe cavity at the joint of the tank wagon joint 1 and the tank wagon loading and unloading port, if the buoyancy exists, the information of the residual dangerous material liquid existing between the tank wagon joint 1 and the tank wagon loading and unloading port is fed back to the controller 7, the controller 7 triggers the warning device 8 to prompt a worker to operate in a violation manner, and the valve of the tank wagon loading and unloading port is not closed; if there is no buoyancy, the information that there is no residual dangerous liquid between the tank wagon joint 1 and the tank wagon loading and unloading port is fed back to the controller 7.
Preferably, the manual remote control switch 9 and the wireless remote control switch 10 independently send control instructions to the controller 7 to control the opening and/or closing of the cut-off switch 3.
The invention provides a cutting-off interlocking device of a dangerous goods liquid tank truck, when a loading and unloading arm opening is broken, the pressure measured by a pressure detector 4 is lower than a pressure threshold value, and a cut-off switch 3 is immediately closed by a controller 7, so that dangerous goods liquid leakage is avoided; when the temperature measured by the temperature detector 4 is greater than the temperature threshold, the controller 7 immediately turns off the cut-off switch 3, so that accidents caused by abnormal temperature of dangerous goods liquid are avoided; when loading and unloading are completed, the disconnecting switch 3 is closed, the buoyancy detector 2 monitors whether buoyancy generated by residual dangerous material liquid exists in the pipe cavity at the joint of the tank wagon joint 1 and the tank wagon loading and unloading port, if the buoyancy exists, information of the residual dangerous material liquid existing between the tank wagon joint 1 and the tank wagon loading and unloading port is fed back to the controller 7, the controller 7 triggers the warning device 8 to prompt operators to perform illegal operation, and the valves of the tank wagon loading and unloading port are not closed, so that the problems that in the actual loading and unloading process, operators cannot operate in place or the operators cannot operate in the loading and unloading process, the vehicles move due to the fact that the operators cannot operate in place, and accidents such as crane pipe leakage and the like are possibly caused.
Drawings
Fig. 1 is a schematic structural view of a cutting-off interlocking device of a dangerous goods liquid tank truck.
Reference numerals
1. Tank wagon joints; 2. a buoyancy detector; 3. cutting off the switch; 4. a pressure detector; 5. a temperature detector; 6. a crane tube joint; 7. a controller; 8. an alarm; 9. a manual remote control switch; 10. and a wireless remote control switch.
Detailed Description
The invention provides a cutting-off interlocking device of a dangerous goods liquid tank truck, which comprises a tank truck joint 1, a buoyancy detector 2, a cutting-off switch 3, a pressure detector 4, a temperature detector 5, a loading arm joint 6 and a controller 7;
the tank wagon joint 1 is connected with a tank wagon loading and unloading port;
the loading arm connector 2 is connected with a loading arm opening;
the controller 7 is connected with the buoyancy detector 2, the disconnecting switch 3, the pressure detector 4 and the temperature detector 5.
In the embodiment of the invention, the cutting and interlocking device of the dangerous goods liquid tank truck further comprises an alarm 8 connected with the controller 7.
In the embodiment of the invention, the cutting-off interlocking device of the dangerous goods liquid tank truck further comprises a manual remote control switch 9 and a wireless remote control switch 10, and the manual remote control switch 9 and the wireless remote control switch 10 are electrically connected with the controller 7.
The invention also provides a control method for cutting off and interlocking the dangerous goods liquid tank truck by using the dangerous goods liquid tank truck cutting off and interlocking device according to the technical scheme, which comprises the following steps:
connecting a tank car connector (1) of the dangerous goods liquid tank car cutting-off interlocking device with a tank car loading and unloading port, and connecting a loading and unloading arm connector 2 with the loading and unloading arm port;
starting a cut-off switch 3, and loading and unloading dangerous goods liquid by using a loading and unloading crane pipe orifice;
in the loading and unloading process, the pressure detector 4 monitors the pressure in the pipe cavity at the joint of the loading and unloading arm joint 2 and the loading and unloading arm port, when the loading and unloading arm port is broken, the pressure measured by the pressure detector 4 is lower than a pressure threshold value, and the controller 7 immediately closes the cut-off switch 3 to avoid leakage of dangerous material liquid;
meanwhile, in the loading and unloading process, the temperature detector 4 monitors the temperature in the pipe cavity at the joint of the loading and unloading arm joint 2 and the loading and unloading arm port, and when the temperature measured by the temperature detector 4 is greater than a temperature threshold value, the controller 7 immediately turns off the cut-off switch 3, so that accidents caused by abnormal temperature of dangerous material liquid are avoided;
when loading and unloading are completed, the disconnecting switch 3 is closed, the buoyancy detector 2 monitors whether buoyancy generated by residual dangerous material liquid exists in the pipe cavity at the joint of the tank wagon joint 1 and the tank wagon loading and unloading port, if the buoyancy exists, the information of the residual dangerous material liquid existing between the tank wagon joint 1 and the tank wagon loading and unloading port is fed back to the controller 7, the controller 7 triggers the warning device 8 to prompt a worker to operate in a violation manner, and the valve of the tank wagon loading and unloading port is not closed; if there is no buoyancy, the information that there is no residual dangerous liquid between the tank wagon joint 1 and the tank wagon loading and unloading port is fed back to the controller 7.
In the present invention, the manual remote control switch 9 and the wireless remote control switch 10 independently send control instructions to the controller 7 to control the on and/or off of the cut-off switch 3.
The technical solutions of the present invention will be clearly and completely described in the following in connection with the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1, the dangerous goods liquid tank truck cutting interlocking device comprises a tank truck joint 1, a buoyancy detector 2, a cutting switch 3, a pressure detector 4, a temperature detector 5, a crane pipe joint 6 and a controller 7;
the tank wagon joint 1 is connected with a tank wagon loading and unloading port;
the loading arm connector 2 is connected with a loading arm opening;
the controller 7 is connected with the buoyancy detector 2, the disconnecting switch 3, the pressure detector 4 and the temperature detector 5;
the intelligent remote control system also comprises an alarm 8, a manual remote control switch 9 and a wireless remote control switch 10 which are connected with the controller 7.
The control method for cutting off the interlocking of the dangerous goods liquid tank truck by using the cutting-off interlocking device of the dangerous goods liquid tank truck comprises the following steps:
the tank car connector 1 of the dangerous goods liquid tank car cutting-off interlocking device is connected with a tank car loading and unloading port, and the loading arm connector 2 is connected with the loading and unloading arm port;
starting a cut-off switch 3, and loading and unloading dangerous goods liquid by using a loading and unloading crane pipe orifice;
in the loading and unloading process, the pressure detector 4 monitors the pressure in the pipe cavity at the joint of the loading and unloading arm joint 2 and the loading and unloading arm port, when the loading and unloading arm port is broken, the pressure measured by the pressure detector 4 is lower than a pressure threshold value, and the controller 7 immediately closes the cut-off switch 3 to avoid leakage of dangerous material liquid;
meanwhile, in the loading and unloading process, the temperature detector 4 monitors the temperature in the pipe cavity at the joint of the loading and unloading arm joint 2 and the loading and unloading arm port, and when the temperature measured by the temperature detector 4 is greater than a temperature threshold value, the controller 7 immediately turns off the cut-off switch 3, so that accidents caused by abnormal temperature of dangerous material liquid are avoided;
when loading and unloading are completed, the disconnecting switch 3 is closed, the buoyancy detector 2 monitors whether buoyancy generated by residual dangerous material liquid exists in the pipe cavity at the joint of the tank wagon joint 1 and the tank wagon loading and unloading port, if the buoyancy exists, the information of the residual dangerous material liquid existing between the tank wagon joint 1 and the tank wagon loading and unloading port is fed back to the controller 7, the controller 7 triggers the warning device 8 to prompt a worker to operate in a violation manner, and the valve of the tank wagon loading and unloading port is not closed; if the buoyancy does not exist, feeding back the information that no residual dangerous liquid exists between the tank wagon joint 1 and the tank wagon loading and unloading port to the controller 7;
the manual remote control switch 9 and the wireless remote control switch 10 independently send control instructions to the controller 7 to control the on and/or off of the cut-off switch 3.
In summary, the dangerous goods liquid tank truck cutting-off interlocking device and the control method provided by the invention can avoid dangerous goods liquid leakage, avoid accidents caused by abnormal temperature of dangerous goods liquid, prompt operators to operate illegally, and avoid the problem of not closing the valve of the tank truck loading and unloading port, so as to solve the problems that in the actual loading and unloading process, operators are likely to cause accidents such as oil filling riser leakage due to reasons such as vehicle movement caused by improper connection operation or misoperation in the driver loading and unloading process
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (5)
1. The cutting-off interlocking device of the dangerous goods liquid tank truck comprises a tank truck joint (1), a buoyancy detector (2), a cutting-off switch (3), a pressure detector (4), a temperature detector (5), a crane pipe joint (6) and a controller (7);
the tank wagon joint (1) is connected with a tank wagon loading and unloading port;
the loading arm connector (2) is connected with the loading arm opening;
the controller (7) is connected with the buoyancy detector (2), the disconnecting switch (3), the pressure detector (4) and the temperature detector (5).
2. The cutoff interlock for a hazardous materials tank truck according to claim 1, further comprising an alarm (8) connected to the controller (7).
3. The dangerous goods liquid tank truck cut-off interlocking device according to claim 1 or 2, further comprising a manual remote control switch (9) and a wireless remote control switch (10), wherein the manual remote control switch (9) and the wireless remote control switch (10) are electrically connected with the controller (7).
4. A control method for cutting-off interlocking of a dangerous goods liquid tank truck by using the cutting-off interlocking device of the dangerous goods liquid tank truck according to claims 1-3, comprising the following steps:
the tank car connector (1) of the dangerous goods liquid tank car cutting-off interlocking device is connected with a tank car loading and unloading port, and the loading and unloading arm connector (2) is connected with the loading and unloading arm port;
starting a cut-off switch (3) and loading and unloading dangerous goods liquid by using a loading and unloading crane pipe orifice;
in the loading and unloading process, the pressure detector (4) monitors the pressure in the pipe cavity at the joint of the loading and unloading arm joint (2) and the loading and unloading arm port, when the loading and unloading arm port is broken, the pressure measured by the pressure detector (4) is lower than a pressure threshold value, and the controller (7) immediately closes the cut-off switch (3) to avoid dangerous article liquid leakage;
meanwhile, in the loading and unloading process, the temperature detector (4) monitors the temperature in the pipe cavity at the joint of the loading and unloading arm joint (2) and the loading and unloading arm port, and when the temperature measured by the temperature detector (4) is greater than a temperature threshold value, the controller (7) immediately turns off the cut-off switch (3) to avoid accidents caused by abnormal temperature of dangerous material liquid;
after loading and unloading are completed, the disconnecting switch (3) is closed, the buoyancy detector (2) monitors whether buoyancy generated by residual dangerous goods liquid exists in the pipe cavity at the joint of the tank wagon joint (1) and the tank wagon loading and unloading port, if the buoyancy exists, information of the residual dangerous goods liquid existing between the tank wagon joint (1) and the tank wagon loading and unloading port is fed back to the controller (7), the controller (7) triggers the warning indicator (8) to prompt staff to operate illegally, and the valve of the tank wagon loading and unloading port is not closed; if the buoyancy is not existed, the information that no residual dangerous liquid exists between the tank wagon joint (1) and the tank wagon loading and unloading port is fed back to the controller (7).
5. The control method according to claim 4, wherein the manual remote control switch (9) and the wireless remote control switch (10) independently send control instructions to the controller (7) to control the opening and/or closing of the cut-off switch (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311408229.4A CN117401304A (en) | 2023-10-27 | 2023-10-27 | Cutting-off interlocking device and control method for dangerous goods liquid tank truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311408229.4A CN117401304A (en) | 2023-10-27 | 2023-10-27 | Cutting-off interlocking device and control method for dangerous goods liquid tank truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117401304A true CN117401304A (en) | 2024-01-16 |
Family
ID=89490423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311408229.4A Pending CN117401304A (en) | 2023-10-27 | 2023-10-27 | Cutting-off interlocking device and control method for dangerous goods liquid tank truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117401304A (en) |
-
2023
- 2023-10-27 CN CN202311408229.4A patent/CN117401304A/en active Pending
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