CN213231260U - Remote emergency stop safety protection device for container crane - Google Patents
Remote emergency stop safety protection device for container crane Download PDFInfo
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- CN213231260U CN213231260U CN202022178290.2U CN202022178290U CN213231260U CN 213231260 U CN213231260 U CN 213231260U CN 202022178290 U CN202022178290 U CN 202022178290U CN 213231260 U CN213231260 U CN 213231260U
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- container crane
- emergency stop
- relay
- intelligent socket
- safety
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Abstract
The utility model discloses a remote emergency stop safety protection device used on a container crane, which is connected with a safety relay of the container crane, and comprises an intelligent socket, wherein a circuit breaker is connected with the input end of the intelligent socket, an industrial relay is connected with the output end of the intelligent socket, and a network access device is connected with the network end of the intelligent socket; the industrial relay is connected to the safety relay of the container crane. The utility model discloses an output power's break-make on the remote control smart jack accomplishes the control to the auxiliary contact break-make on the industrial relay to the mesh of control container crane emergency stop hardware circuit break-make has been realized.
Description
Technical Field
The utility model relates to a harbour container crane safety protection system technique, more specifically say, relate to a long-range emergency stop safety arrangement for on the container crane.
Background
During the production and manufacturing of the container crane, personnel on-machine construction operation often occurs in a non-system debugging time period, which causes the condition of starting the crane system by mistake, although an electrical engineer can trigger an emergency stop protection system after completing planned debugging work to ensure safety, when the debugging bench worker receives a temporary task and needs to start the container crane mechanism, the debugging engineer needs to arrive at the crane site to recover the protection system, so that not only is the time wasted, but also the production efficiency is influenced to a certain extent. And in the after-sale service period of the domestic and foreign container terminals, the state of the crane is remotely monitored by a terminal user through a video picture in an office, and when the crane mechanism is abnormally operated, the crane driver can only be shout to stop the operation through the intercom system, but corresponding protective measures cannot be directly carried out.
At present, emergency stop buttons are mainly installed beside each mechanism and on each operation station of a crane, normally closed contacts of the buttons are connected in series to form a normally closed hardware loop, and finally the loop is connected into a safety relay to realize the function of an emergency stop protection system. The system is limited in that it must operate on the container crane to be triggered. Although part of container cranes also have the function of remote emergency stop safety protection, the remote emergency stop is equivalent to reestablishing a set of protection system, a safety relay, a PLC module, power equipment and the like need to be additionally installed in a remote operation room, meanwhile, the remote emergency stop protection system needs to be connected with a PLC on the crane through optical cable communication, different electric control systems need to purchase different equipment, and thus, more manpower and material resources need to be invested.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect that exists among the prior art, the utility model aims at providing a long-range emergency stop safety arrangement for on container crane, through output power's break-make on the remote control smart jack, accomplish the control to the last auxiliary contact break-make of industrial relay to control container crane emergency stop hardware return circuit break-make's purpose has been realized.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a remote emergency stop safety protection device used on a container crane is connected with a safety relay of the container crane and comprises an intelligent socket, wherein a circuit breaker is connected to the input end of the intelligent socket, an industrial relay is connected to the output end of the intelligent socket, and a network access device is connected to the network end of the intelligent socket;
the industrial relay is connected to the safety relay of the container crane.
Preferably, a normally closed contact between the terminal a and the terminal c in the industrial relay is connected to a safety relay of the container crane.
The utility model provides a long-range emergency stop safety arrangement for on container crane both can prevent to lead to the emergence of the incident that the mechanism action arouses because of reasons such as maloperation, can satisfy again and resume emergency stop protection system fast conveniently and supply the demand that the pincers worker used container crane, guarantee simultaneously that discovery mechanism operation is unusual when remote monitoring, and the very first time can start container crane's emergency stop protection system, ensures production site safety.
Drawings
Fig. 1 is a schematic structural view of the remote emergency stop safety device of the present invention;
fig. 2 is the hardware circuit schematic diagram of the safety relay on the container crane strung into the remote emergency stop safety protection device.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
Please combine fig. 1 to show, the utility model provides a long-range emergency stop safety arrangement for on container crane inserts container crane's safety relay, including smart jack 1, insert circuit breaker 2 on smart jack 1's the input, insert industrial relay 3 on smart jack 1's the output, insert network access device 4 on smart jack 1's the net holds.
A normally closed contact 301 between the a terminal and the c terminal in the industrial relay 3 is connected to a safety relay of the container crane.
Please combine as shown in fig. 2, can utilize the original emergency stop system's of container crane function again in order to realize the remote control to emergency stop protection system, the utility model discloses long-range emergency stop safety arrangement adopts the form that smart jack 1 and industrial relay 3 combined together, inserts industrial relay 3's auxiliary contact (the normally closed contact 301 between a terminal and the c terminal) in the original emergency stop protection system hardware return circuit of container crane, through the break-make of output power on the remote control smart jack 1, accomplishes the control to auxiliary contact break-make on the industrial relay 3 to the mesh of control container crane emergency stop hardware return circuit break-make has been realized.
Under the condition that industrial relay 3 must not be electrified, its normally closed contact 301 inserts original emergency stop protection system hardware return circuit, opens output power when remote control smart jack 1, and industrial relay 3 must be electrified, and normally closed contact 301 disconnection, then new emergency stop protection system hardware return circuit disconnection, the utility model discloses long-range emergency stop safety arrangement is triggered. The design is mainly the security problem of considering emergency stop protection system like this, if adopt 1 disconnection output power of control smart jack, the mode that industrial relay 3 normally open contact inserted the hardware return circuit under the circumstances of not having the electricity, in case the network access ware 4 that smart jack 1 inserts appears the condition of breaking the net, or the condition of smart jack 1 input circuit breaker 2 outage, the utility model discloses long-range emergency stop safety arrangement will frequently be triggered, influences container crane emergency stop protection system's stability.
The utility model discloses input power is controlled by reserve circuit breaker 2 in the container crane switch board on long-range emergency stop safety arrangement's the smart jack 1, and the electricity of getting in the switch board and directly not adopting the auxiliary socket power supply mainly can not break off frequently because container crane's control electricity is in the debugging stage, and the socket electricity can be by artificial disconnection, influences this set of emergency stop protection arrangement's use.
After the circuit breaker 2 is switched on, the input end of the intelligent socket 1 is electrified, the intelligent socket 1 is connected into the equipment through the network access device 4, the intelligent socket 1 is connected into the network, at the moment, after the intelligent socket 1 is configured, the output end is not electrified, the industrial relay 3 is not electrified, the state of a normally closed contact 301 between an a terminal and a c terminal in the intelligent socket is kept unchanged, the normally closed contact 301 is a normally closed contact for remote emergency stop shown in fig. 2, and finally the hardware loop is integrally connected into a safety relay of the container crane. When the emergency stop protection system needs to be remotely started, the output end power supply is remotely turned on through the intelligent socket 1, the intelligent socket 1 outputs the power supply to the industrial relay 3, after the industrial relay 3 is electrified, the normally closed contact 301 between the terminal a and the terminal c is disconnected, namely the normally closed contact of the remote emergency stop shown in the figure 2 is disconnected, a hardware loop which is connected into the safety relay in series is disconnected, the triggering condition of the safety relay is not met, and the container crane cannot be controlled to be closed and cannot operate the mechanism to act.
The utility model discloses long-range emergency stop safety arrangement only needs under the condition that has the network, alright in order to trigger container crane emergency stop protection system in any place, has abolished the restriction in place, and it has practical value to increase emergency stop protection function to domestic and foreign container terminal on office remote monitering system's basis.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (2)
1. A remote emergency stop safety protection device for use on a container crane, having access to a safety relay of the container crane, characterized by: the intelligent socket comprises an intelligent socket, wherein a circuit breaker is connected to the input end of the intelligent socket, an industrial relay is connected to the output end of the intelligent socket, and a network access device is connected to the network end of the intelligent socket;
the industrial relay is connected to the safety relay of the container crane.
2. The remote emergency stop safety arrangement for use on a container crane of claim 1, wherein: and a normally closed contact between the terminal a and the terminal c in the industrial relay is connected into a safety relay of the container crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022178290.2U CN213231260U (en) | 2020-09-29 | 2020-09-29 | Remote emergency stop safety protection device for container crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022178290.2U CN213231260U (en) | 2020-09-29 | 2020-09-29 | Remote emergency stop safety protection device for container crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213231260U true CN213231260U (en) | 2021-05-18 |
Family
ID=75878784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022178290.2U Active CN213231260U (en) | 2020-09-29 | 2020-09-29 | Remote emergency stop safety protection device for container crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213231260U (en) |
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2020
- 2020-09-29 CN CN202022178290.2U patent/CN213231260U/en active Active
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