CN217458533U

CN217458533U - Safety alarm linkage device for hoisting operation

Info

Publication number: CN217458533U
Application number: CN202221365836.8U
Authority: CN
Inventors: 梅小明; 梅其民; 张国峰
Original assignee: WUTAI YUNHAI MAGNESIUM INDUSTRY CO LTD
Current assignee: WUTAI YUNHAI MAGNESIUM INDUSTRY CO LTD
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-09-20
Anticipated expiration: 2032-06-01

Abstract

The utility model discloses a jack-up operation safety alarm linkage, belong to jack-up operation safety protection field, when having solved current jack-up hoist and mount operation, there is the problem of potential safety hazard in the below passageway, including main circuit and induction control circuit, induction control circuit connects on the main circuit, the main circuit includes total control power and connects the lifter controller on total control power, induction control circuit divide into driving induction circuit and infrared alarm circuit, driving induction circuit is including parallelly connected proximity switch circuit, the infrared ray switch circuit, alarm device circuit and time relay circuit, connect jointly on dividing power one, the infrared alarm circuit includes and divides power two, infrared induction switch and infrared emitter, infrared induction switch control infrared ray switch, infrared ray switch control lifter controller. The mode that audible and visual alarm, infrared ray response, lifter delay operation combine together, the application scope is extensive, is the effective guarantee of jack-up operation safety in production.

Description

Safety alarm linkage device for hoisting operation

Technical Field

The utility model belongs to jack-up operation safety protection field especially relates to a jack-up operation safety alarm aggregate unit.

Background

The lifting and hoisting operation of the workshop is common conventional operation of metallurgical enterprises and is also special operation. Because the reduction furnace body of the reduction workshop is higher, the crane is needed to be used for loading and unloading raw materials, replacing a furnace tank, hoisting materials and the like, the crane loads and unloads the materials from a hoisting material port specially designed on the platform, and an open channel is arranged below the hoisting material port and is used for workers and a forklift to walk. Therefore, the existing hoisting operation has certain safety risk, if the crane works above the hoisting port, personnel or vehicles below the channel pass through the lower part of the hoisting port in an unordered mode, or cross operation personnel exist below the hoisting port, or effective sight line at night is reduced, and other factors cause great potential safety hazards in the hoisting operation.

SUMMERY OF THE UTILITY MODEL

In order to solve the safety risk of falling objects in the lifting operation in the background technology, stop people or vehicles in an open channel from freely passing through, fundamentally solve the unconscious behaviors of people and ensure safe production, the invention provides the safety alarm linkage device for the lifting operation.

In order to achieve the above object, the utility model provides a jack-up operation safety alarm linkage, a serial communication port, including main circuit and induction control circuit, induction control circuit connects on the main circuit, the main circuit includes total control power and connects the lifter controller on total control power, induction control circuit divide into driving induction circuit and infrared alarm circuit, driving induction circuit includes distribution source one, proximity switch, alarm device, proximity switch relay, infrared ray switch relay, time relay, switch one, switch two and switch three, proximity switch and proximity switch relay are established ties, and infrared ray switch relay are established ties, and alarm device and switch one are established ties, and time relay and switch two, switch three are established ties, proximity switch and proximity switch relay, proximity switch, The infrared switch, the infrared switch relay, the alarm device, the first switch, the second switch and the third switch are connected in parallel, and are connected to the first power distribution source, the first proximity switch relay control switch, the second switch and the third infrared switch relay control switch, the infrared alarm circuit comprises the second power distribution source, the infrared induction switch and the infrared emitter, the infrared induction switch controls the infrared switch, and the infrared switch controls the lifting rod controller.

Through setting up main circuit and induction control circuit, the main circuit provides the power of lifter controller, induction circuit divide into driving induction circuit and infrared alarm circuit again, driving induction circuit senses the hoist through infrared induction and gets into the work area, infrared switch communicates this moment, open proximity switch, synchronous linkage alarm device reminds staff, the warning lasts, make behind the whole withdrawing area of staff of below work, after the infrared switch communicates, time relay communicates after lasting a period, with signal transmission lifter controller department, control lifter controller sends the action of falling the pole, empty and seal the intermediate channel, when guaranteeing the hoist and mount operation, the below can not have all the other staff to pass through, promote the security.

Furthermore, the power supply of the master control power supply is a 220V alternating current power supply, and a circuit breaker is further arranged on the master control power supply. The driving is carried out by using a standard power supply, and a breaker is arranged to protect the power supply.

Further, the first power distribution source is a 24V alternating current power supply, and the second power distribution source is a 12V alternating current power supply. Namely, the driving induction circuit uses a 24V alternating current power supply, and the infrared alarm circuit uses a 12V alternating current power supply.

Furthermore, a time relay is further arranged on the lifting rod controller to delay the rod falling time of the lifting rod. After the early warning lasts for a period of time, the lifting rod can be dropped.

Further, the alarm device comprises a loudspeaker horn and an alarm lamp, wherein the loudspeaker horn is CA-130U DC 6-24V. The alarm device uses sound and light for reminding.

Further, the infrared transmitter adopts a digital infrared detector, and the model number of the digital infrared detector is ABY-0224 VDC. The model has a large detection range and meets the field environment use requirements.

Furthermore, the lifting rod controlled by the lifting rod controller adopts a crank arm barrier gate, and the model number of the lifting rod is QG-MB.

The utility model has the advantages that the alarm is started through the infrared induction and the proximity switch linkage alarm device after the crane or the traveling crane enters the working area by combining the acousto-optic alarm, the infrared induction and the lifting rod time-delay operation, and the infrared switch is communicated at the same time, and the lifting rod time-delay operation is controlled through the time relay, so that the hidden danger of passage personnel below the crane during the lifting process is solved; the model of the infrared transmitter adopts ABY-02, the working voltage is 24V, and the transmitting range of the infrared transmitter meets the use requirement of field work, so that the safety of staff below the infrared transmitter during lifting is ensured.

Drawings

Fig. 1 is a main circuit diagram of a preferred embodiment of a lifting operation safety alarm linkage device provided by the present invention.

Wherein: 1. a master control power supply; 2. a first power supply is distributed; 3. a second power supply; 4. a proximity switch; 5. an alarm device; 6. a proximity switch relay; 7. an infrared switch; 8. an infrared switch relay; 9. a time relay; 10. a first switch; 11. a second switch; 12. a third switch; 13. an infrared inductive switch; 14. an infrared emitter; 15. a lifter controller.

Detailed Description

In order to make the objects, technical solutions and advantageous effects of the present invention more clearly understood, the technical solutions of the present invention are described in detail below with reference to the accompanying drawings.

The utility model provides a jack-up operation safety warning aggregate unit, as figure 1, includes main circuit and induction control circuit, and induction control circuit connects on the main circuit, the main circuit includes total control power 1 and the lifter controller 15 of connection on total control power, total control power 1's power is 220V alternating current power supply, and still is provided with the circuit breaker on the total control power 1, protects total control power, and lifter controller 15 has lifter and drop pole function, goes up and down according to the signal, and is further, in this embodiment, the lifter of lifter controller 15 control adopts crank arm banister, and its type is QG-MB.

The induction control circuit is divided into a driving induction circuit and an infrared alarm circuit, the driving induction circuit and the infrared alarm circuit are connected on a main circuit in parallel, the driving induction circuit comprises a first power distribution source 2, a proximity switch 4, an alarm device 5, a proximity switch relay 6, an infrared switch 7, an infrared switch relay 8, a time relay 9, a first switch 10, a second switch 11 and a third switch 12, the first power distribution source 2 is a 24V alternating-current power supply, the proximity switch 4 is connected with the proximity switch relay 6 in series, the infrared switch 7 is connected with the infrared switch relay 8 in series, the alarm device 5 is connected with the first switch 10 in series, the time relay 9 is connected with the second switch 11 and the third switch 12 in series, the proximity switch 4 is connected with the proximity switch relay 6, the infrared switch 7 is connected with the infrared switch relay 8, the alarm device 5 is connected with the first switch 10, and the time relay 9 is connected with the second switch 11 and the third switch 12 in series, Four series circuit of switch three 12 are parallelly connected, connect on dividing power supply one 2, and proximity switch relay 6 control switch 10 and switch two 11, infrared switch relay 8 control switch three 12, and proximity switch 4 starts the back promptly, and alarm device 5 starts immediately, reminds the personnel of construction area below, alarm device 5 is including megaphone loudspeaker and alarm lamp, megaphone loudspeaker model adopts CA-130U DC6-24V, reminds through sound and light, ensures that near personnel can both be warned.

Infrared alarm circuit includes and divides two 3, infrared inductive switch 13 and infrared emitter 14 of power, divides two 3 of power to be 12V alternating current power supply, and infrared emitter 14 sends the infrared ray, and infrared inductive switch 13 receives the infrared ray, infrared emitter 14 adopts digital infrared detector, and its model is ABY-0224VDC, and its farthest transmission distance can reach 50m, satisfies service environment, and both cooperations of infrared inductive switch 13 and proximity switch 4, infrared inductive switch 13 control infrared switch 7 simultaneously, infrared switch 7 control lifter controller 15.

Further, in order to ensure that the personnel can leave the construction area completely after hearing the alarm prompt, the lifting rod controller 15 is also provided with a time relay to delay the rod falling time of the lifting rod.

The utility model discloses a theory of operation does: when the crane does not work in the area of the material lifting port, the infrared induction switch 13 can receive an infrared signal, the infrared switch 7 is closed, and the lifting rod controller is in a rod lifting state; when the crane enters a material lifting port area to work, the proximity switch 4 is closed, the proximity switch relay 6 controls the switch I10 and the switch II 11 to be closed, the alarm device 5 starts to alarm and remind, the infrared sensing switch 13 which is sent by the infrared emitter 14 cannot receive the signals, the infrared switch 7 is closed, the infrared switch relay 8 controls the switch III 12 to be closed, the time relay 9 is communicated with a circuit and transmits the signals to the lifting rod controller 15, and meanwhile, the lifting rod controller 15 is internally provided with the time relay, and is changed into a rod falling state after 10 seconds of delay, so that no personnel pass through the lifting rod controller in the construction process; after the hoisting operation is completed, the crane leaves the area of the material lifting port, the infrared induction switch 13 receives the infrared signal again, the infrared switch 7 is turned off, the time relay 9 circuit is turned off, the lifting rod controller 15 is changed into a rod lifting state again, and the passage is recovered to pass.

The utility model fundamentally avoids unsafe behaviors of people and provides reliable basic equipment for safe production; the potential safety hazards of production such as cross operation between hoisted objects and people, insufficient safety distance and the like are solved, and the safety production is guaranteed; by means of the combination of sound and light alarm, infrared induction and lifter delay operation, the crane has the advantages of strong operability and wide application occasions, and is an effective guarantee for safety production of crane operation.

Finally, it should be noted that the above embodiments are only used for illustrating the present invention and not for limiting, the present invention has been described in detail with reference to the preferred embodiments, and the devices and mechanisms not described in detail in the embodiments of the present invention are prior art, and those skilled in the art should understand that the modifications or equivalent substitutions made to the present invention without inventive thought should be included in the scope of the claims of the present invention.

Claims

1. A lifting operation safety alarm linkage device is characterized by comprising a main circuit and an induction control circuit, wherein the induction control circuit is connected onto the main circuit, the main circuit comprises a master control power supply (1) and a lifting rod controller (15) connected onto the master control power supply, the induction control circuit comprises a driving induction circuit and an infrared alarm circuit, the driving induction circuit comprises a power distribution source I (2), a proximity switch (4), an alarm device (5), a proximity switch relay (6), an infrared switch (7), an infrared switch relay (8), a time relay (9), a switch I (10), a switch II (11) and a switch III (12), the proximity switch (4) and the proximity switch relay (6) are connected in series, the infrared switch (7) and the infrared switch relay (8) are connected in series, and the alarm device (5) and the switch I (10) are connected in series, time relay (9) and switch two (11), switch three (12) are established ties, proximity switch (4) and proximity switch relay (6), infrared switch (7) and infrared switch relay (8), alarm device (5) and switch one (10), time relay (9) and switch two (11), four series circuit of switch three (12) are parallelly connected, connect on dividing power supply one (2), proximity switch relay (6) control switch one (10) and switch two (11), infrared switch relay (8) control switch three (12), infrared alarm circuit is including dividing power supply two (3), infrared induction switch (13) and infrared emitter (14), infrared induction switch (13) control infrared switch (7), infrared switch (7) control lifter controller (15).

2. A hoisting operation safety alarm linkage device according to claim 1, wherein the power supply of the master control power supply (1) is a 220V AC power supply, and a circuit breaker is further arranged on the master control power supply (1).

3. A lifting operation safety alarm linkage as claimed in claim 1, wherein the first power supply (2) is a 24V ac power supply, and the second power supply (3) is a 12V ac power supply.

4. A lifting operation safety alarm linkage according to claim 1, wherein the lifting rod controller (15) is further provided with a time relay to delay the lifting rod falling time.

5. A lifting operation safety alarm linkage according to claim 1, characterised in that the alarm device (5) comprises a loudspeaker horn of CA-130U DC6-24V type and an alarm lamp.

6. A jack-up operation safety alarm linkage according to claim 1, characterized in that the infrared emitter (14) is a digital infrared detector of type ABY-0224 VDC.

7. A lifting operation safety alarm linkage according to claim 1, wherein the lifting rod controlled by the lifting rod controller (15) is a crank arm barrier, the type of which is QG-MB.