CN218708666U - Electric iron wedge electric control system of crane - Google Patents
Electric iron wedge electric control system of crane Download PDFInfo
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- CN218708666U CN218708666U CN202222960376.XU CN202222960376U CN218708666U CN 218708666 U CN218708666 U CN 218708666U CN 202222960376 U CN202222960376 U CN 202222960376U CN 218708666 U CN218708666 U CN 218708666U
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Abstract
The application provides a hoist electric iron wedge electrical system, compares with prior art, includes: a starting module; the stopping module is connected with the starting module in parallel; the PLC is connected with the starting module in series; a pusher connected to the PLC; a swing arm provided on the pusher; and the iron wedge is arranged on the swing arm. Compared with the prior art, the problem of low automation level in the prior art is solved, the PLC input module is respectively connected in series with the stop module through the start module, and the electric iron wedge is connected with the PLC output module, so that the electric control system with a simple structure and good expansion performance is provided.
Description
Technical Field
The utility model relates to an electronic indisputable wedge control electrical system field, concretely relates to hoist electronic indisputable wedge electrical system.
Background
Crane iron wedge is the anti-skidding instrument that is used for fixed wheel position, current electronic iron wedge control mode adopts the hard loop to connect, for example application number is 202221039098.8 patent, an electronic skate automatic control system is disclosed, including 4 anticreepers, 2 clamp rail ware, and anticreeper, the control unit circuit of clamp rail ware, 2 anticreeper and 1 clamp rail ware of every cart shank installation, anticreeper, the control unit circuit of clamp rail ware all includes lifts up the contactor, fall contactor and spacing contactor, this kind of structure construction is complicated, and is with high costs, and scalability is poor. Therefore, how to design an electric control system with simple structure and good expansion performance to solve the problem of low automation level in the prior art is a problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of current electronic iron wedge electrical system, this application provides a hoist electronic iron wedge electrical system, solves the lower problem of prior art automation level.
The technical scheme provided by the application is as follows:
the application provides a hoist electronic iron wedge electrical system, its characterized in that includes: a starting module; the stopping module is connected with the starting module in parallel; the PLC is connected with the starting module in series; a pusher connected to the PLC; a swing arm provided on the pusher; and the iron wedge is arranged on the swinging arm. The starting module is connected with the PLC input module, the PLC output module is connected with the pusher to push upwards to push the swing arm, the swing arm changes the direction of force at the moment to lift the iron wedge, at the moment, the iron wedge is separated from the crane wheels and the track, resistance is not generated any more, and the crane can move on the track; the stop module is connected with the PLC input module, a push rod connected with the PLC output module and arranged on the pusher falls down to push the swing arm, the swing arm changes the direction of force at the moment to enable the iron wedge to be placed down, and at the moment, the iron wedge is in contact with the crane wheels and the rail to generate resistance, so that the crane cannot move on the rail.
Further, the present application provides a preferred solution, wherein the starting module includes: a left-hand switch SB1 connected in series with the PLC; a right row switch SB2 connected in series with the PLC; a wedge lifting switch SB3 connected in series with the PLC; the left-going switch SB1, the right-going switch SB2 and the iron wedge lifting switch SB3 are connected in parallel. When any one of the left-going switch SB1, the right-going switch SB2 and the iron wedge lifting switch SB3 is turned on, the iron wedge connected with the PLC output module can be lifted upwards, and the wheels can freely move on the track.
Further, the application provides a preferred scheme, which is characterized in that the stop module is a wedge lowering switch SB4, and the wedge lowering switch SB4 is connected with the PLC in series. When the iron wedge put-down switch SB4 is opened, the PLC can send out a stop instruction, the iron wedge connected with the PLC is put down, and the wheels are prevented from moving on the track.
Further, the present application provides a preferred embodiment, which is characterized by further comprising: a detection switch connected with the PLC; and a status indicator lamp HL1 connected with the PLC. The detection switch can be a mechanical limit switch or an induction limit switch and is used for detecting the lifting and putting down states of the iron wedge, the detection switch is connected with an input module of the PLC, and the state indicator lamp HL1 is connected with an output module of the PLC; when the iron wedge is lifted, the detection switch is switched on, the PLC outputs the state of the electric iron wedge, and the state indicator lamp HL1 is on; when the iron wedge put down, the detection switch was disconnected, and PLC output electric iron wedge state this moment, and status indicator HL1 goes out.
Further, the present application provides a preferred embodiment, which is characterized by further comprising: the detection switch K1, the PLC and the state indicator lamp HL1 are sequentially connected with a first detection branch; the detection switch K2, the PLC and the state indicator lamp HL1 are sequentially connected with a second detection branch; the detection switch K3, the PLC and the state indicator lamp HL1 are sequentially connected with a third detection branch; and the detection switch K4, the PLC and the state indicator lamp HL1 are sequentially connected with a fourth detection branch. Four detection branch road parallel connection, PLC and status indicator HL1 series connection, are connected to PLC input module after any detection switch switches on, and the status indicator HL1 that PLC output module connects becomes bright.
Further, the present application provides a preferred embodiment, which is characterized by further comprising: the protection module is connected with the PLC; and a fault indicator lamp HL2 connected with the PLC. The protection module is connected with an input module of the PLC, and the fault indicator lamp HL2 is connected with an output module of the PLC; the protection module comprises four protection switches connected in parallel, when any one of the protection switches FR1-FR4 acts, the whole electric iron wedge electric control system is powered off, so that the motor is protected, and meanwhile, the PLC outputs an electric iron wedge state fault indicator lamp HL2 to be lightened.
Further, the present application provides a preferred embodiment, which is characterized by further comprising: the protection switch FR1, the PLC and the fault indicator lamp HL2 are sequentially connected with a first protection branch; the protection switch FR2, the PLC and the fault indicator lamp HL2 are sequentially connected with a second protection branch; a third protection branch circuit which is sequentially connected with the protection switch FR3, the PLC and the fault indicator lamp HL 2; and the protection switch FR4, the PLC and the fault indication lamp are sequentially connected with a fourth protection branch. Four protection branch road parallel connection, PLC and fault indicator HL2 series connection, be connected to PLC input module after any protection switch switches on, fault indicator HL2 that PLC output module connects becomes bright.
Further, the present application provides a preferred solution, wherein the pusher comprises: an intermediate relay KA1 connected with the PLC; an alternating current contactor KM1 connected with the intermediate relay; and the motor is connected with the alternating current contactor KM 1. When the left-going switch SB1, the right-going switch SB2 and the iron wedge lifting switch SB3 are started, the intermediate relay KA1 connected with the output end of the PLC is attracted, so that the alternating current contactor KM1 is attracted, and the electric iron wedge motor is driven to act to lift the electric iron wedge; when the iron wedge put-down switch SB4 is started, the intermediate relay KA1 connected with the output end of the PLC is disconnected at the moment, the alternating current contactor KM1 is enabled to be disconnected for actuation, and the power supply of the motor of the electric iron wedge is disconnected at the moment, so that the electric iron wedge is put down.
The application provides a hoist electric iron wedge electrical system, compares with prior art, includes: starting a module; the stopping module is connected with the starting module in parallel; the PLC is connected with the starting module in series; a pusher connected to the PLC; a swing arm provided on the pusher; and the iron wedge is arranged on the swing arm. The starting module sends a starting instruction to the PLC, a pusher connected with the PLC output module pushes upwards to push the swing arm, the swing arm changes the direction of force at the moment to lift the iron wedge, at the moment, the iron wedge is separated from the crane wheels and the rail, resistance is not generated any more, and the crane can move on the rail; the stop module sends a stop instruction to the PLC, a push rod on a pusher connected with the PLC output module falls down to push the swing arm, the swing arm changes the direction of force at the moment to enable the iron wedge to be placed down, at the moment, the iron wedge is in contact with the crane wheels and the rail to generate resistance, and the crane cannot move on the rail. The application provides a pair of crane electric iron wedge electrical system compares in prior art, solves the lower problem of prior art automation level, establishes ties PLC input module respectively through start module and stop module, and the design that electric iron wedge and PLC output module are connected provides a simple structure, the electrical system that extended capability is good.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of an electric iron wedge of a crane according to an embodiment of the present disclosure;
fig. 2 is a wiring diagram of a PLC input terminal circuit provided in an embodiment of the present application;
fig. 3 is a circuit diagram of a PLC output terminal provided in an embodiment of the present application;
FIG. 4 is a wiring diagram of a motor control circuit provided in an embodiment of the present application;
fig. 5 is a circuit diagram of a protection module according to an embodiment of the present application.
1. A detection switch; 2. a pusher; 3. a swing arm; 4. an iron wedge; 5. a wheel; 6. a track.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
As shown in fig. 1 to fig. 5, an embodiment of the present application provides an electric control system for a crane electric iron wedge, which includes: a starting module; the stopping module is connected with the starting module in parallel; the PLC is connected with the starting module in series; a pusher 2 connected to the PLC; a swing arm 3 provided on the pusher 2; an iron wedge 4 provided on the swing arm 3. The starting module is connected with the PLC input module, the PLC output module is connected with the pusher 2 to push upwards to push the swing arm 3, the swing arm 3 changes the direction of force at the moment to lift the iron wedge 4, at the moment, the iron wedge 4 is separated from the crane wheels 5 and the track 6, resistance is not generated any more, and the crane can move on the track 6; the stop module is connected with the PLC input module, a push rod connected with the PLC output module and arranged on the pusher 2 falls down to push the swing arm 3, the direction of the swing arm 3 is changed at the moment, the iron wedge 4 is placed down, at the moment, the iron wedge 4 is in contact with the crane wheel 5 and the rail 6, resistance is generated, and the crane cannot move on the rail 6.
Wherein, the start module includes: a left-hand switch SB1 connected in series with the PLC; a right row switch SB2 connected in series with the PLC; a wedge lifting switch SB3 connected in series with the PLC; the left-going switch SB1, the right-going switch SB2 and the iron wedge lifting switch SB3 are connected in parallel. When the left-hand switch SB1, the right-hand switch SB2 and the iron wedge lift any one switch in the switch SB3 to be opened, the PLC all sends a starting instruction, the iron wedge 4 connected with the PLC output module all lifts upwards, and the wheel 5 can move freely on the track 6.
The device is characterized in that the stop module is an iron wedge down switch SB4, and the iron wedge down switch SB4 is connected with the PLC in series. When the iron wedge put-down switch SB4 is opened, the PLC can send a stop instruction, the iron wedge 4 connected with the PLC is put down, and the wheels 5 are prevented from moving on the rails 6.
Wherein, its characterized in that still includes: a detection switch connected with the PLC; and a status indicator lamp HL1 connected with the PLC. The detection switch can be a mechanical limit switch or an induction limit switch and is used for detecting the lifting and putting down states of the iron wedge, the detection switch is connected with an input module of the PLC, and the state indicator lamp HL1 is connected with an output module of the PLC; when the iron wedge 4 is lifted up, the detection switch is switched on, the PLC outputs the state of the electric iron wedge, and the state indicator lamp HL1 is on; when iron wedge 4 put down, the detection switch disconnection, PLC output electric iron wedge state this moment, and status indicator HL1 goes out.
Wherein, its characterized in that still includes: the detection switch K1, the PLC and the state indicator lamp HL1 are sequentially connected with a first detection branch; the detection switch K2, the PLC and the state indicator lamp HL1 are sequentially connected with a second detection branch; the detection switch K3, the PLC and the state indicator lamp HL1 are sequentially connected with a third detection branch; and the detection switch K4, the PLC and the state indicator lamp HL1 are sequentially connected with a fourth detection branch. Four detection branch road parallel connection, PLC and status indicator HL1 series connection, are connected to PLC input module after any detection switch switches on, and the status indicator HL1 that PLC output module connects becomes bright.
Wherein, its characterized in that still includes: the protection module is connected with the PLC; and a fault indicator lamp HL2 connected with the PLC. The protection module is connected with an input module of the PLC, and the fault indicator lamp HL2 is connected with an output module of the PLC; the protection module comprises four protection switches connected in parallel, when any one of the protection switches FR1-FR4 acts, the whole electric iron wedge electric control system is powered off, so that the motor is protected, and meanwhile, the PLC outputs an electric iron wedge state fault indicator lamp HL2 to be lightened.
Wherein, its characterized in that still includes: the protection switch FR1, the PLC and the fault indicator lamp HL2 are sequentially connected with a first protection branch; the protection switch FR2, the PLC and the fault indicator lamp HL2 are sequentially connected with a second protection branch; a third protection branch circuit which is sequentially connected with the protection switch FR3, the PLC and the fault indicator lamp HL 2; and the protection switch FR4, the PLC and the fault indication lamp are sequentially connected with a fourth protection branch. Four protection branch road parallel connection, PLC and fault indicator HL2 series connection, be connected to PLC input module after any protection switch switches on, the fault indicator HL2 that PLC output module connects becomes bright.
Wherein the pusher 2 comprises: an intermediate relay KA1 connected with the PLC; an alternating current contactor KM1 connected with the intermediate relay; and the motor is connected with the alternating current contactor KM 1. When the left-going switch SB1, the right-going switch SB2 and the iron wedge lifting switch SB3 are started, the intermediate relay KA1 connected with the output end of the PLC is attracted, so that the alternating current contactor KM1 is attracted, the electric iron wedge motor is driven to act, and the electric iron wedge 4 is lifted; when the iron wedge put-down switch SB4 is started, the intermediate relay KA1 connected with the output end of the PLC is disconnected at the moment, the alternating current contactor KM1 is prompted to be disconnected for actuation, and the power supply of the electric iron wedge motor is disconnected at the moment, so that the electric iron wedge 4 is put down.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. An electric control system for an electric iron wedge of a crane, which is characterized by comprising:
starting a module;
a stop module connected in parallel with the start module;
the PLC is connected with the starting module in series;
a pusher connected to the PLC;
a swing arm provided on the pusher;
and the iron wedge is arranged on the swing arm.
2. The crane power wedge electrical control system of claim 1, wherein the starting module comprises:
a left-hand switch SB1 connected in series with the PLC;
a right row switch SB2 connected in series with the PLC;
an iron wedge lifting switch SB3 connected in series with the PLC;
the left-going switch SB1, the right-going switch SB2 and the iron wedge lifting switch SB3 are connected in parallel.
3. The crane electric iron wedge electric control system according to claim 1, wherein the stop module is an iron wedge down switch SB4, and the iron wedge down switch SB4 is connected in series with the PLC.
4. The electric control system for the electric iron wedge of the crane according to claim 1, further comprising:
the detection switch is connected with the PLC;
and the status indicator lamp HL1 is connected with the PLC.
5. The crane power wedge electrical control system of claim 4, further comprising:
the detection switch K1, the PLC and the state indicator lamp HL1 are sequentially connected with a first detection branch;
the detection switch K2, the PLC and the state indicator lamp HL1 are sequentially connected with a second detection branch;
the detection switch K3, the PLC and the state indicator lamp HL1 are sequentially connected with a third detection branch;
the detection switch K4, the PLC and the fourth detection branch circuit connected in sequence are arranged on the state indicator lamp HL1.
6. The electric control system for the electric iron wedge of the crane according to claim 1, further comprising:
the protection module is connected with the PLC;
and a fault indicator lamp HL2 connected with the PLC.
7. The electric control system for the electric iron wedge of the crane according to claim 6, further comprising:
a protection switch FR1, a protection switch FR2, a protection switch FR3 and a protection switch FR4;
the protection switch FR1, the PLC and the fault indicator lamp HL2 are sequentially connected with a first protection branch;
the protection switch FR2, the PLC and the fault indicator lamp HL2 are sequentially connected with a second protection branch;
the protection switch FR3, the PLC and the fault indicator lamp HL2 are sequentially connected with a third protection branch;
and the protection switch FR4, the PLC and the fourth protection branch are sequentially connected.
8. An electric control system for a crane power wedge as claimed in claim 1, wherein said pusher comprises:
the intermediate relay KA1 is connected with the PLC;
an alternating current contactor KM1 connected with the intermediate relay;
and the motor is connected with the alternating current contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222960376.XU CN218708666U (en) | 2022-11-08 | 2022-11-08 | Electric iron wedge electric control system of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222960376.XU CN218708666U (en) | 2022-11-08 | 2022-11-08 | Electric iron wedge electric control system of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218708666U true CN218708666U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222960376.XU Active CN218708666U (en) | 2022-11-08 | 2022-11-08 | Electric iron wedge electric control system of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218708666U (en) |
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- 2022-11-08 CN CN202222960376.XU patent/CN218708666U/en active Active
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