CN213064772U - Device for monitoring emergency cut-off valve state of tank truck - Google Patents
Device for monitoring emergency cut-off valve state of tank truck Download PDFInfo
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- CN213064772U CN213064772U CN202021521300.1U CN202021521300U CN213064772U CN 213064772 U CN213064772 U CN 213064772U CN 202021521300 U CN202021521300 U CN 202021521300U CN 213064772 U CN213064772 U CN 213064772U
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Abstract
The utility model discloses a control tank car promptly cuts off device of valve state relates to tank car safety technical field, include: the emergency cut-off valve comprises an emergency cut-off valve, a valve inhaul cable, an inhaul cable rotating shaft, a microswitch control module and a start controller; the emergency cut-off valve is used for controlling the oil material of the tank car to enter and exit, one end of a valve cable is clamped with a valve of the emergency cut-off valve in a matching mode, the other end of the valve cable is connected with a cable rotating shaft, and the valve cable can drive the cable rotating shaft to rotate; when the microswitch is disconnected, the starting controller allows the tank car to be ignited and started; when the microswitch is closed, the starting controller prohibits the tank car from being ignited and started; the utility model discloses can effectual realization to the safety monitoring of tank car emergency cut-off valve state, with the state of emergency cut-off valve and the start control ware linkage of control tank car striking sparks, under the closed state of emergency cut-off valve, start control ware allows tank car to strike sparks and starts.
Description
Technical Field
The utility model belongs to the technical field of tank car safety technique and specifically relates to a control tank car promptly cuts off device of valve state.
Background
The emergency cut-off valve is also called a safety cut-off valve, which is suitable for coal gas, natural gas and liquefied petroleum gas, and can be quickly closed or opened when an emergency occurs, so that accidents can be avoided. Because of the great risk involved in transporting the tanker, emergency shut-off valves are often provided in the tanker, usually at the bottom of the tanker. In real life, the bottom emergency cut-off valve is often in an open state due to misoperation in the transportation process of the tank truck, and finally accidents such as dangerous goods leakage, spraying, ignition and the like are caused. In order to prevent accidents, a device which can monitor the state of the emergency cut-off valve and control the closing of the emergency cut-off valve is urgently needed.
For example, chinese patent CN209416407U discloses a monitoring device for an emergency cut-off valve of a tank car, which comprises a signal conditioning circuit, a pressure sensor, a car speed sensor, an electromagnetic valve, a warning module and a data processing module, wherein the pressure sensor processes the inlet pressure data of the emergency cut-off valve through the signal conditioning circuit module and transmits the processed data to the data processing module for processing, and the data processing module can control the warning module to generate a corresponding warning prompt according to the processing result; the vehicle speed sensor transmits vehicle speed data to the data processing module for processing after the vehicle speed data is processed by the signal conditioning circuit module, and the data processing module controls the emergency cut-off valve to be closed through the control solenoid valve according to a processing result; the utility model discloses a monitoring device of patent adopts the mode of pure electronic circuit formula to monitor the quick action emergency valve, and the security is not high enough to the condition that the control is not in place appears easily.
SUMMERY OF THE UTILITY MODEL
First, technical problem to be solved
The utility model aims at the above-mentioned defect that prior art exists, provide a device of control tank car emergency cut-off valve state, solve the current not high enough problem of control security to tank car emergency cut-off valve.
Second, technical scheme
In order to solve the technical problem, the utility model provides a control tank car promptly cuts off device of valve state, include: the emergency cut-off valve comprises an emergency cut-off valve, a valve inhaul cable, an inhaul cable rotating shaft, a microswitch control module and a start controller;
the emergency cut-off valve is used for controlling the oil material of the tank car to enter and exit, one end of a valve cable is clamped with a valve of the emergency cut-off valve in a matching mode, the other end of the valve cable is connected with a cable rotating shaft, and the valve cable can drive the cable rotating shaft to rotate;
a rotating shaft cam is arranged on the inhaul cable rotating shaft, the rotating shaft cam can coaxially rotate with the inhaul cable rotating shaft, and the rotating shaft cam can be used for controlling the on and off of the microswitch;
when the microswitch is disconnected, the micro control module sends a normal signal of a stop valve to a start controller of the tank car; after the start controller receives the signal, the start controller allows the tank car to be ignited and started;
when the micro switch is closed, the micro control module sends an abnormal signal of the stop valve to a start controller of the tank car; after the start controller receives the signal, the start controller prohibits the tank car from being ignited and started.
Wherein, be equipped with first cable fixing device on the valve of quick action emergency valve, valve cable one end is connected fixedly with first cable fixing device.
Wherein, be equipped with second cable fixing device on the cable pivot, the valve cable other end is connected fixedly with second cable fixing device.
Wherein, when the rotating shaft cam rotates a preset angle, the microswitch can be closed.
Wherein, after the start controller receives the trip valve abnormal signal, the start controller still can control the unusual pilot lamp of trip valve and light.
Wherein, after the start controller receives the normal signal of trip valve, the start controller still can control the normal pilot lamp of trip valve and light.
When the emergency cut-off valves are provided with two or more than two emergency cut-off valves, each emergency cut-off valve can be provided with a group of monitoring devices for monitoring.
Wherein, the abnormal indicator light of trip valve is the red light.
Wherein, the normal pilot lamp of trip valve is green.
Third, beneficial effect
Compared with the prior art, the device for monitoring the emergency cut-off valve state of the tank car can effectively realize the safety monitoring of the emergency cut-off valve state of the tank car, particularly, the state of the emergency cut-off valve is combined with a starting controller for controlling the tank car to ignite, and the starting controller allows the tank car to ignite and start only in the closed state of the emergency cut-off valve;
meanwhile, the state of the emergency cut-off valve is monitored through the mechanical structure design, and the monitoring safety can be effectively improved.
Drawings
Fig. 1 is a schematic view 1 of the emergency cut-off valve of the present invention;
fig. 2 is a schematic view 2 of the emergency cut-off valve of the present invention;
fig. 3 is a schematic view of the ring-shaped slot of the present invention;
FIG. 4 is a schematic view of the cable shaft of the present invention;
FIG. 5 is a flow chart of the control scheme of the present invention;
in the figure: 1 is an emergency cut-off valve; 2 is a valve cable; 3 is a guy cable rotating shaft; 4 is a microswitch; 5 is a ring-shaped clamping groove; 6 is a torsion spring resetting device; 7 is a first cable fixing device; and 8 is a rotating shaft cam.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Example 1:
the utility model discloses device of control tank car emergency cut-off valve state, as shown in fig. 1 ~ 5, the device of control tank car emergency cut-off valve state includes: the emergency stop valve comprises an emergency stop valve 1, a valve cable 2, a cable rotating shaft 3, a microswitch 4, a micro control module and a start controller; the emergency cut-off valve 1 is used for controlling the oil material entering and exiting of a tank car, one end of a valve cable 2 is matched and clamped with a valve of the emergency cut-off valve 1, the other end of the valve cable 2 is connected with a cable rotating shaft 3, and the valve cable 2 can drive the cable rotating shaft 3 to rotate; a rotating shaft cam 8 is arranged on the inhaul cable rotating shaft 3, the rotating shaft cam 8 can rotate coaxially with the inhaul cable rotating shaft 3, and the rotating shaft cam 8 can be used for controlling the micro switch 4 to be opened and closed; when the microswitch 4 is switched off, the micro control module sends a normal signal of a cut-off valve to a start controller of the tank car; after the start controller receives the signal, the start controller allows the tank car to be ignited and started; when the microswitch 4 is closed, the micro control module sends an abnormal signal of a stop valve to a start controller of the tank car; after the start controller receives the signal, the start controller prohibits the tank car from being ignited and started.
Specifically, according to different types of emergency cut-off valves 1, the valves of the emergency cut-off valves 1 synchronously rotate or linearly move along with the opening and closing of the emergency cut-off valves 1, as long as the valve cables 2 can move, different cable fixing modes can be set, the implementation of the embodiment cannot be influenced, and meanwhile, the valve cables 2 can be driven to move; moreover, a rotating shaft cam 8 is arranged on the inhaul cable rotating shaft 3, and the rotating shaft cam 8 can rotate coaxially with the inhaul cable rotating shaft 3; through the motion of valve cable 2, can drive cable pivot 3 and set up the synchronous revolution of pivot cam 8 on cable pivot 3, when pivot cam 8 rotatory preset angle, can promote micro-gap switch 4 to make micro-gap switch 4 closed.
The device for monitoring the state of the emergency cut-off valve of the tank truck works in the following way:
when the emergency shutdown valve 1 is in the closed state:
the valve of the emergency cut-off valve 1 is located at a position a, namely the valve position of the emergency cut-off valve 1 shown in fig. 2, at this time, the valve cable 2 is in a relaxed state, the cable rotating shaft 3 is not rotated, or the valve cable 2 is in a tightened state, the angle of the valve cable 2 driving the cable rotating shaft 3 to rotate is smaller than a preset angle, namely when the emergency cut-off valve 1 is in a closed state, the angle of the valve cable 2 driving the cable rotating shaft 3 to rotate is not enough to close the micro switch 4 or not touch the micro switch, in the embodiment, the preset angle is set to 18 °, and when the angle of rotation is smaller than 18 °, the micro switch 4 is not closed;
at the moment, when the emergency cut-off valve 1 is in a closed state, the microswitch 4 is in an open state, and the micro control module sends a normal cut-off valve signal to a start controller of the tank car;
after the start controller receives the signal, the start controller allows the tank car to be ignited and started, namely, the tank car can be ignited and started normally only when the emergency cut-off valve 1 is in a closed state;
when the emergency shutdown valve 1 is in the open state:
the valve of the emergency cut-off valve 1 is located at a position outside the position A, namely the opening state of the emergency cut-off valve 1 may be a completely opened state or a half opened state, at this time, the valve cable 2 is in a tightened state and drives the cable rotating shaft 3 to rotate by a preset angle, namely, when the rotating angle of the cable rotating shaft 3 is greater than or equal to 18 degrees, the rotating shaft cam 8 can push the microswitch 4 to be closed;
then after the microswitch 4 is closed, the micro control module sends an abnormal signal of a cut-off valve to a start controller of the tank car;
after the start controller receives the signal, the start controller prohibits the tank car from being ignited and started, namely, the tank car cannot be ignited and started normally only when the emergency cut-off valve 1 is in a fully opened or half-opened state, so that the safety monitoring of the emergency cut-off valve state of the tank car is realized, the emergency cut-off valve which possibly appears in the transportation process of the tank car is prevented from being in an opened state due to misoperation, and accidents such as leakage, spraying, ignition and the like of dangerous goods are prevented.
In this embodiment, fig. 1 to fig. 2 are diagrams of states of the quick action emergency valve from full opening to closing, and there are differences in the arrangement of the quick action emergency valve, and fig. 1 to fig. 2 are only schematic diagrams of the position change relationship.
Example 2:
in this embodiment, when the emergency cut-off valves 1 are provided with two or more than two, a set of monitoring devices may be provided for each emergency cut-off valve 1 to monitor, as compared to embodiment 1, so as to ensure the safe closing of all the emergency cut-off valves 1 in the tank car running state.
Example 3:
compared with the embodiment 1, in the embodiment, a first cable fixing device 7 is arranged on the valve of the emergency cut-off valve 1, and one end of the valve cable 2 is fixedly connected with the first cable fixing device 7; the first cable fixing device 7 may be fixed in a fixing manner shown in fig. 3, and may also be fixed in a winding manner by using the annular clamping groove 5, that is, the valve cable 2 may be wound and rotated around the annular clamping groove 5.
Be equipped with second cable fixing device on cable pivot 3, the 2 other ends of valve cable are connected fixedly with second cable fixing device to it is equipped with torsional spring resetting means 6 still to overlap on cable pivot 3, resets cable pivot 3 to initial position through torsional spring resetting means 6 promptly.
Example 4:
after the start controller receives the abnormal signal of the cut-off valve, the start controller can also control the abnormal indicator light of the cut-off valve to light; the abnormal indicator light of the stop valve is a red light.
After the start controller receives the normal signal of the cut-off valve, the start controller can also control the normal indicator light of the cut-off valve to light; the normal indicator light of the stop valve is a green light.
Through the design, the emergency cut-off valve state can be more intuitively displayed to a driver or other operators, and the safety is further improved.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a device of control tank car emergency shutdown valve state which characterized in that: the device for monitoring the state of the emergency cut-off valve of the tank truck comprises: the emergency stop valve comprises an emergency stop valve (1), a valve stay cable (2), a stay cable rotating shaft (3), a microswitch (4), a microswitch control module and a start controller;
the emergency cut-off valve (1) is used for controlling oil materials of a tank car to enter and exit, one end of the valve cable (2) is matched and clamped with a valve of the emergency cut-off valve (1), the other end of the valve cable (2) is connected with the cable rotating shaft (3), and the valve cable (2) can drive the cable rotating shaft (3) to rotate;
a rotating shaft cam (8) is arranged on the inhaul cable rotating shaft (3), the rotating shaft cam (8) can rotate coaxially with the inhaul cable rotating shaft (3), and the rotating shaft cam (8) can be used for controlling the micro switch (4) to be opened and closed;
when the microswitch (4) is switched off, the micro control module sends a normal signal of a cut-off valve to a start controller of the tank car; after the start controller receives the signal, the start controller allows the tank car to be ignited and started;
when the microswitch (4) is closed, the micro control module sends an abnormal signal of a stop valve to a start controller of the tank car; after the start controller receives the signal, the start controller prohibits the tank car from being ignited and started.
2. The apparatus for monitoring the status of an emergency shutdown valve of a tank car according to claim 1, wherein: be equipped with first cable fixing device (7) on the valve of emergency cut-off valve (1), valve cable (2) one end with first cable fixing device (7) are connected fixedly.
3. An apparatus for monitoring the status of a tank car slam shut valve as defined in claim 2, wherein: and a second cable fixing device is arranged on the cable rotating shaft (3), and the other end of the valve cable (2) is fixedly connected with the second cable fixing device.
4. An apparatus for monitoring the status of a tank car slam shut valve as defined in claim 3, wherein: when the rotating shaft cam (8) rotates for a preset angle, the microswitch (4) can be closed.
5. The apparatus for monitoring the status of an emergency shutdown valve of a tank car according to claim 1, wherein: after the starting controller receives the abnormal signal of the stop valve, the starting controller can also control the abnormal indicator light of the stop valve to light.
6. The apparatus for monitoring the status of an emergency shutdown valve of a tank car according to claim 1, wherein: after the start controller receives the normal signal of the stop valve, the start controller can also control the normal indicator light of the stop valve to light.
7. The apparatus for monitoring the status of an emergency shutdown valve of a tank car according to claim 1, wherein: when the emergency cut-off valves (1) are provided with two or more than two, each emergency cut-off valve (1) can be provided with a group of monitoring devices for monitoring.
8. An apparatus for monitoring the status of a tank car slam shut valve as defined in claim 5, wherein: the abnormal stop valve indicator lamp is a red lamp.
9. An apparatus for monitoring the status of a tank car slam shut valve as defined in claim 6, wherein: the normal stop valve indicator light is a green light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021521300.1U CN213064772U (en) | 2020-07-28 | 2020-07-28 | Device for monitoring emergency cut-off valve state of tank truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021521300.1U CN213064772U (en) | 2020-07-28 | 2020-07-28 | Device for monitoring emergency cut-off valve state of tank truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213064772U true CN213064772U (en) | 2021-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021521300.1U Active CN213064772U (en) | 2020-07-28 | 2020-07-28 | Device for monitoring emergency cut-off valve state of tank truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213064772U (en) |
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- 2020-07-28 CN CN202021521300.1U patent/CN213064772U/en active Active
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