CN218968676U - Action warning control circuit for large hoisting equipment - Google Patents
Action warning control circuit for large hoisting equipment Download PDFInfo
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- CN218968676U CN218968676U CN202223175700.3U CN202223175700U CN218968676U CN 218968676 U CN218968676 U CN 218968676U CN 202223175700 U CN202223175700 U CN 202223175700U CN 218968676 U CN218968676 U CN 218968676U
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Abstract
The utility model relates to an action warning control circuit for large hoisting equipment, which comprises four relays, a terminal strip and an alarm, wherein the relays and the terminal strip are arranged in a control box, driving motors of a car running mechanism, a trolley running mechanism, a main hook upper and lower mechanism and an auxiliary hook upper and lower mechanism are respectively provided with an outgoing wire, the outgoing wires are respectively connected into the control box, the four outgoing wires are respectively connected into the four relays after passing through the terminal strip, a power wire of the alarm is sequentially provided with the four relays through the terminal strip and the four relays in parallel before being connected, and the alarm is triggered to give out action warning when any one or more of the car running mechanism, the trolley running mechanism, the main hook upper and lower mechanism and the auxiliary hook upper and lower mechanism act. The utility model reduces the safety accidents of the construction site caused by untimely alarm in the use process of the large-scale hoisting equipment and reduces the potential safety hazard by forming an automatic control loop.
Description
Technical Field
The utility model relates to the field of large hoisting equipment, in particular to a control circuit for an alarm device of the large hoisting equipment.
Background
Large-scale hoisting equipment is used more in heavy industry enterprises, and especially in shipbuilding enterprises, is the main production equipment. In the starting operation process of the large hoisting equipment, the traveling mechanism of the large crane is in two directions, and the alarm system realizes alarm by controlling and starting operation. Therefore, other operators and equipment in the operation range of the hoisting equipment are alerted, and safety accidents such as extrusion, collision and rolling are avoided. The system is connected with the action signal of the travelling mechanism of the cart in parallel through an alarm, and timely alarms and reminds. The method is simple in operation, convenient to manage and effective in alarm, so that the method is widely applied to operation management of various large hoisting equipment of enterprises.
However, due to the actual requirements of the field working conditions, in the running process of the large hoisting equipment, a trolley running mechanism, a main hook up-down mechanism and an auxiliary hook up-down mechanism are added besides the trolley running mechanism. In the running process, a working condition that a plurality of mechanisms act simultaneously and sometimes the cart running mechanism does not act exists, and the alarm does not act to give an alarm at the moment. When the cart running mechanism does not act, the main hook up-down mechanism acts, the auxiliary hook up-down mechanism acts, the main hook mechanism acts, the auxiliary hook mechanism acts, the trolley mechanism acts and the like, so that an alarm does not alarm, and on-site operators and operation equipment are in unknown risks. In order to avoid accidents, the safety accidents of the construction site caused by untimely alarm in the use process of the large-scale hoisting equipment are reduced. Therefore, a set of simple and efficient automatic control alarm system device is developed, and the device has practical significance for avoiding potential safety hazards in the use process of large hoisting equipment.
Disclosure of Invention
The utility model aims to solve the problem that the multi-mechanism cooperative operation can not be carried out for alarming in the prior art, and provides a control circuit for an alarming device of large-scale hoisting equipment. The control circuit of the utility model can trigger the alarm in the action process of the cart running mechanism, the trolley running mechanism, the main hook up-down mechanism and the auxiliary hook up-down mechanism, thereby avoiding the occurrence of equipment and personnel safety accidents and ensuring the safe and normal use of the large hoisting equipment.
In order to achieve the above object, the present utility model provides the following technical solutions:
the action warning control circuit for the large lifting equipment is characterized by comprising four relays, a terminal strip and an alarm, wherein the relays and the terminal strip are arranged in the control box, the respective driving motors of the traveling mechanism, the main hook upper and lower mechanism and the auxiliary hook upper and lower mechanism are all provided with lead-out wires which are respectively connected into the control box, the lead-out wires of the four paths are respectively connected into the four relays after passing through the terminal strip, and the power wires of the alarm are sequentially connected with the four relays and the four relays before passing through the terminal strip, and the alarm is sent out by the aid of the main hook upper and lower mechanism or the auxiliary hook upper and lower mechanism.
In the action warning control circuit for the large-scale hoisting equipment, the control box is arranged at one end position of the cross beam, and a control circuit of a corresponding driving motor on the large-scale traveling mechanism, the small-scale traveling mechanism, the main hook up-down mechanism and the auxiliary hook up-down mechanism is arranged in the control box.
In the action warning control circuit for the large hoisting equipment, twelve interface ends are arranged on the terminal block, and the terminal block comprises two alarm power line access ports, two alarm outlet ports and eight drive motor lead-out wire access ports.
In the action warning control circuit for the large-scale hoisting equipment, as a further design, each interface end in the terminal block is connected with a fuse.
In the action warning control circuit for the large hoisting equipment, as a further design, a first driving motor, a second driving motor, a third driving motor and a fourth driving motor are correspondingly arranged on the large travelling mechanism, the small travelling mechanism, the main hook upper and lower mechanism and the auxiliary hook upper and lower mechanism, lead wires of the four driving motors are correspondingly connected to a first relay, a second relay, a third relay and a fourth relay respectively through terminal rows, and the first relay, the second relay, the third relay and the fourth relay are arranged on a power wire of the alarm in parallel.
In the action warning control circuit for large-scale hoisting equipment of the utility model, as a further design, the lead-out electric wires are led from two phases in the three-phase power line of the driving motor.
In the action warning control circuit for large-scale hoisting equipment, as a further design, four relays arranged in parallel are positioned on A phase and B phase of a power line of an alarm.
In the action warning control circuit for large-scale hoisting equipment of the utility model, as a further design, triggering the alarm to send action warning comprises: the cart traveling mechanism drives the cart to advance or retreat, the cart is driven by the cart traveling mechanism to move left and right, the main lifting hook is driven by the main hook up-down mechanism to move upwards or downwards, and the auxiliary lifting hook is driven by the auxiliary hook up-down mechanism to move upwards or downwards.
Based on the technical scheme, the action warning control circuit for the large hoisting equipment is applied to engineering practice, and the following technical effects are achieved:
1. the action warning control circuit can correspond to different action mechanisms through the control relay, realizes automatic starting of the alarm, is used for responding to the control relays of different operation mechanisms and the alarm controlled by different multiple actions, is an automatic control loop, and is characterized in that an automatic control terminal of the control relay is sequentially connected with the action mechanism of the hoisting equipment, the alarm of the hoisting equipment and the alternating current circuit breaker in series, each set of action mechanism is provided with 1 control relay, each control relay is connected in parallel, and a control signal is output to the alarm, so that an automatic control loop is formed, the construction site safety accident caused by untimely alarm in the use process of the large-scale hoisting equipment is reduced, and the potential safety hazard is reduced.
2. The utility model has practical significance for avoiding potential safety hazards in the use process of large hoisting equipment through a simple and efficient automatic control alarm system device, and meanwhile, the control circuit has the advantages of simple control mode, stable and reliable performance and wider applicability, greatly reduces the labor intensity of staff, improves the operation efficiency and greatly improves the safety of construction sites.
Drawings
Fig. 1 is a schematic diagram of the structural composition of a large lifting apparatus.
Fig. 2 is a schematic diagram of an action warning control circuit for a large-scale lifting apparatus according to the present utility model.
Fig. 3 is a schematic diagram of the arrangement of a relay on a power line for a motion warning control circuit of a large-scale lifting device according to the present utility model.
FIG. 4 is a schematic diagram of the motion signal in the motion alert control circuit for a large scale lifting apparatus according to the present utility model.
Detailed Description
The following describes in further detail an action warning control circuit for a large-scale lifting device according to the present utility model with reference to the accompanying drawings and specific embodiments, so as to make the structural composition and operation thereof more clearly understood, but not to limit the scope of the present utility model.
As shown in fig. 1, a large-scale hoisting device is provided with a large-scale travelling mechanism 1, a small-scale travelling mechanism 2, a main hook up-down mechanism 3 and an auxiliary hook up-down mechanism 4, wherein the large-scale travelling mechanism 1 is positioned at the foot of a crane, the small-scale travelling mechanism 2 is positioned on a beam of the crane, a control box is further arranged on the beam, and driving motors are arranged on the large-scale travelling mechanism 1, the small-scale travelling mechanism 2, the main hook up-down mechanism 3 and the auxiliary hook up-down mechanism 4. The control box is arranged at one end of the cross beam, and a control circuit of a corresponding driving motor on the cart running mechanism 1, the trolley running mechanism 2, the main hook upper and lower mechanism 3 and the auxiliary hook upper and lower mechanism 4 is arranged in the control box.
The utility model aims at providing a lifting device which mainly comprises a cart travelling mechanism 1 for driving a cart to advance or retreat, a cart travelling mechanism 2 for driving the cart to move left and right, a main lifting hook driven by a main lifting hook up-down mechanism 3 for driving the main lifting hook up-down mechanism, and a sub lifting hook driven by a sub lifting hook up-down mechanism 4 for driving the sub lifting hook up-down mechanism. Any one or more of the above actions can trigger the alarm to give action warning, and the warning is used for reminding operators and passing people to improve vigilance, so that danger is avoided.
In order to realize the functions, as shown in fig. 2, the action warning control circuit of the utility model comprises four relays, a terminal row and an alarm, wherein the relays and the terminal row are arranged in the control box, the driving motors of the car running mechanism, the trolley running mechanism 2, the main hook up-down mechanism 3 and the auxiliary hook up-down mechanism 4 are respectively provided with lead wires which are respectively connected into the control box, the four lead wires are respectively connected into the four relays after passing through the terminal row, the power wire of the alarm is sequentially provided with the four relays through the terminal row and the four relays in parallel before being connected, and the alarm is triggered to give an action warning when any one or more of the car running mechanism 1, the trolley running mechanism 2, the main hook up-down mechanism 3 and the auxiliary hook up-down mechanism 4 act.
In the action warning control circuit, twelve interface ends are arranged on the terminal strip, and the terminal strip comprises two alarm power line access ports, two alarm output ports and eight drive motor lead-out wire access ports. As a further design, a fuse is connected to each interface end in the terminal block.
Specifically, on large-scale hoisting equipment, the corresponding first driving motor, the second driving motor, the third driving motor and the fourth driving motor that are arranged on the large-scale hoisting equipment 1, the small-scale hoisting equipment 2, the main hook upper and lower mechanism 3 and the auxiliary hook upper and lower mechanism 4, the outgoing wires of the four driving motors are respectively connected to the first relay KM1, the second relay KM2, the third relay KM3 and the fourth relay KM4 through terminal bars correspondingly, and the first relay KM1, the second relay KM2, the third relay KM3 and the fourth relay KM4 are arranged on the power wire of the alarm in parallel.
As shown in fig. 3 and 4, the lead-out wire is led from two of three power supply wires of the drive motor. Four relays arranged in parallel are positioned on the A phase and the B phase of the power line of the alarm. The alarm control circuit is connected between two of the three-phase alternating current power supplies.
The control circuit of the utility model is provided with control relays for responding to different running mechanisms and alarms for controlling different multiple actions, and the alarm control circuit is an automatic control loop. The automatic control terminal of the control relay is sequentially connected with the lifting equipment actuating mechanism, the lifting equipment alarm and the alternating current circuit breaker in series, each set of actuating mechanism is provided with 1 control relay, each control relay is connected in parallel, and a control signal is output to the alarm, so that an automatic control loop is formed. The control relay is used for controlling the opening or closing of the alarm, the control circuit is composed of a plurality of control relays corresponding to a plurality of sets of action mechanisms, and the operation mode of the alarm system is formed by parallel connection of the relays.
The alarm control main circuit is connected between two of the three-phase alternating current power supplies, and the alarm signal sources comprise action signals of the cart running mechanism 1, the trolley running mechanism 2, the main hook up-down mechanism 3 and the auxiliary hook up-down mechanism 4, the signals are output to corresponding relays, and the relay control main circuit is connected with the alarm, so that an automatic control alarm loop is formed.
The control circuit of the utility model can correspond to different action mechanisms through the control relay, realize the automatic starting of the alarm, and is used for responding to the control relays of different operation mechanisms and the alarm controlled by different multi-actions, the automatic control terminal of the control relay is sequentially connected with the action mechanism of the hoisting equipment, the alarm of the hoisting equipment and the alternating current circuit breaker in series, 1 control relay is configured through each set of action mechanism, each control relay is connected in parallel, and a control signal is output to the alarm, thereby forming an automatic control loop. The control circuit of the utility model overcomes the condition that the alarm does not alarm when the primary alarm system is not operated by the cart running mechanism 1, the cart running mechanism 2, the main hook up-down mechanism 3 and the auxiliary hook up-down mechanism 4 are operated singly or the main hook mechanism and the auxiliary hook mechanism are operated together, and avoids the unknown risks of on-site operators and operation equipment. The alarm control circuit has an automatic control function, and under the automatic control state, action signals of the cart running mechanism 1, the trolley running mechanism 2, the main hook up-down mechanism 3 and the auxiliary hook up-down mechanism 4 are sampled, and an alarm system is started to alarm, so that potential safety hazards are greatly reduced.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that; modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.
Claims (8)
1. The action warning control circuit for the large lifting equipment is characterized by comprising four relays, a terminal strip and an alarm, wherein the relays and the terminal strip are arranged in the control box, the respective driving motors of the traveling mechanism, the main hook upper and lower mechanism and the auxiliary hook upper and lower mechanism are all provided with lead-out wires which are respectively connected into the control box, the four lead-out wires are respectively connected into the four relays after passing through the terminal strip, and the power wires of the alarm are sequentially connected with the four relays and the four relays before passing through the terminal strip, and the alarm is sent out by the aid of the main hook upper and lower mechanism or the auxiliary hook upper and lower mechanism.
2. The action warning control circuit for large-scale hoisting equipment according to claim 1, wherein the control box is arranged at one end position of the cross beam, and a control circuit of corresponding driving motors on the cart travelling mechanism, the trolley travelling mechanism, the main hook up-down mechanism and the auxiliary hook up-down mechanism is arranged in the control box.
3. The action warning control circuit for large-scale hoisting equipment according to claim 1, wherein twelve interface ends are provided on the terminal block, including two alarm power cord access ports, two alarm outlet ports, and eight drive motor outgoing cord access ports.
4. A motion warning control circuit for a large scale lifting apparatus as claimed in claim 3 wherein a fuse is connected to each interface end within the terminal block.
5. The action warning control circuit for a large-scale hoisting device according to claim 3, wherein the large-scale traveling mechanism, the small-scale traveling mechanism, the main hook up-down mechanism and the auxiliary hook up-down mechanism are correspondingly provided with a first driving motor, a second driving motor, a third driving motor and a fourth driving motor, the outgoing wires of the four driving motors are correspondingly connected to the first relay, the second relay, the third relay and the fourth relay through terminal rows respectively, and the first relay, the second relay, the third relay and the fourth relay are arranged on a power wire of the alarm in parallel.
6. The motion warning control circuit for a large scale lifting apparatus of claim 1, wherein the outgoing electrical wires lead from two of the three power lines of the drive motor.
7. An action warning control circuit for large scale lifting apparatus as claimed in claim 6 wherein four relays arranged in parallel are on either item a or item B of the power cord of the alarm.
8. The motion warning control circuit for a large scale lifting apparatus of claim 1, wherein triggering the alarm to emit a motion warning comprises: the cart traveling mechanism drives the cart to advance or retreat, the cart is driven by the cart traveling mechanism to move left and right, the main lifting hook is driven by the main hook up-down mechanism to move upwards or downwards, and the auxiliary lifting hook is driven by the auxiliary hook up-down mechanism to move upwards or downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223175700.3U CN218968676U (en) | 2022-11-29 | 2022-11-29 | Action warning control circuit for large hoisting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223175700.3U CN218968676U (en) | 2022-11-29 | 2022-11-29 | Action warning control circuit for large hoisting equipment |
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| Publication Number | Publication Date |
|---|---|
| CN218968676U true CN218968676U (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223175700.3U Active CN218968676U (en) | 2022-11-29 | 2022-11-29 | Action warning control circuit for large hoisting equipment |
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| Country | Link |
|---|---|
| CN (1) | CN218968676U (en) |
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- 2022-11-29 CN CN202223175700.3U patent/CN218968676U/en active Active
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