CN111362144A - Method and device for controlling three mechanisms of crane - Google Patents
Method and device for controlling three mechanisms of crane Download PDFInfo
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- CN111362144A CN111362144A CN201911345138.4A CN201911345138A CN111362144A CN 111362144 A CN111362144 A CN 111362144A CN 201911345138 A CN201911345138 A CN 201911345138A CN 111362144 A CN111362144 A CN 111362144A
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- motor
- crane
- cart
- trolley
- control
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- 230000007246 mechanism Effects 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims description 9
- 238000000819 phase cycle Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000010354 integration Effects 0.000 abstract description 7
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/40—Applications of devices for transmitting control pulses; Applications of remote control devices
- B66C13/44—Electrical transmitters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/22—Control systems or devices for electric drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention discloses a three-mechanism control device of a crane, which enables a cart, a trolley and a hoisting mechanism to be controlled by a set of control mechanism, thereby improving the integration degree and the manufacturing efficiency of the electrical control mechanism of the crane and reducing the failure rate. The crane three-mechanism control device comprises: the device comprises a receiving unit (101), an editing unit (102), a selecting unit (103) and an outputting unit (104). The method comprises the steps of firstly receiving a remote control signal from a remote controller, editing the remote control signal into a motor parameter, selecting a channel corresponding to the motor parameter according to the motor parameter, and finally outputting the motor parameter to a corresponding frequency converter to control a cart motor, a trolley motor or a lifting mechanism motor to operate. The control of the cart, the trolley and the hoisting mechanism by one set of control mechanism is realized, so that the integration degree and the manufacturing efficiency of the electric control mechanism of the crane are improved, and the failure rate is reduced.
Description
Technical Field
The invention relates to the technical field of crane control, in particular to a crane three-mechanism control method and device.
Background
The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as a crown block, a traveling crane or a crane.
The cart and the trolley of the crane bear the movement of the crane on the front, back, left and right layers, and the heavy object can be moved from one place to another place. The cart and trolley of the crane refer to the running mechanism of the crane. The cart running mechanism runs on a ground track and is responsible for the forward and backward running of the whole crane, and the cart running mechanism mainly comprises a motor, an end beam, a speed reducer and the like. The trolley running mechanism is arranged above the two main beams of the crane and is responsible for left and right running of a hoisting mechanism of the crane, and the hoisting mechanism is arranged above the trolley running mechanism. The trolley mainly comprises a running trolley motor, a speed reducer, a trolley frame and the like.
In order to realize the operation control of a crane cart, a crane trolley and a hoisting mechanism, the operation of each mechanism of most cranes is generally controlled by a frequency converter. Generally, in an electrical system of the crane, each frequency converter controls one running mechanism, for example, a cart frequency converter controls the operation of a cart, and a trolley frequency converter controls the operation of a trolley. The control device which is convenient and efficient and can integrate a cart, a trolley and a hoisting mechanism driver together is lacked. Moreover, most of the existing electric control systems of the whole automobile are complex in structure, a large number of wires are needed to connect all components, the failure rate is high, the production efficiency is low, and the electric control systems are large in size and high in cost.
Disclosure of Invention
The invention provides a method and a device for controlling three mechanisms of a crane, which enable the three mechanisms of a cart, a trolley and a hoisting mechanism to be controlled by one set of control mechanism, thereby improving the integration degree and the manufacturing efficiency of the electrical control mechanism of the crane and reducing the failure rate.
The invention provides a crane three-mechanism control device, which specifically comprises:
a receiving unit 101 for receiving a remote control signal from a remote controller;
the editing unit 102 is used for editing the remote control signal into a motor parameter;
the selection unit 103 is configured to select a channel corresponding to the motor parameter according to the motor parameter;
and the output unit 104 is used for outputting the motor parameters to the corresponding frequency converter so as to control the operation of a cart motor, a trolley motor or a hoisting mechanism motor.
Alternatively to this, the first and second parts may,
the output unit 104 includes:
a cart limit output terminal 1041 and a cart control output terminal 1042;
a cart limit output 1043 and a cart control output 1044;
a hoisting mechanism limit output terminal 1045, a hoisting mechanism control output terminal 1046 and a hoisting mechanism weighing output terminal 1047.
Alternatively to this, the first and second parts may,
the selection unit 103 includes, but is not limited to, a plurality of relays respectively connected in series to the output unit 104.
Alternatively to this, the first and second parts may,
power phase sequence protection, open-phase protection, over-current protection and voltage protection circuits are integrated in the device.
Alternatively to this, the first and second parts may,
the device also comprises a monitoring unit 105 which is used for monitoring the operation of the cart, the trolley and the hoisting mechanism and automatically calculating the service life of the main parts of each mechanism by recording data.
Alternatively to this, the first and second parts may,
the monitoring unit 105 is provided with an audible and visual alarm.
Alternatively to this, the first and second parts may,
the device is arranged in an electric cabinet with 480mm × 330mm, × 206mm and 206 mm.
The invention also provides a control method applying the three-mechanism control device of the crane, which specifically comprises the following steps:
receiving a remote control signal from a remote controller;
editing the remote control signal into a motor parameter;
selecting a channel corresponding to the motor parameter according to the motor parameter;
and outputting the motor parameters to corresponding frequency converters to control the operation of a cart motor, a trolley motor or a hoisting mechanism motor.
Alternatively to this, the first and second parts may,
the method comprises the following steps of outputting motor parameters to corresponding frequency converters to control a cart motor, a trolley motor or a hoisting mechanism motor to operate: the operation of the cart, the trolley and the hoisting mechanism is monitored, and the service life of the main components of each mechanism is automatically calculated through recording data.
According to the technical scheme, the embodiment of the invention has the following advantages:
the method comprises the steps of firstly receiving a remote control signal from a remote controller, editing the remote control signal into a motor parameter, selecting a channel corresponding to the motor parameter according to the motor parameter, and finally outputting the motor parameter to a corresponding frequency converter to control a cart motor, a trolley motor or a lifting mechanism motor to operate. The control of the cart, the trolley and the hoisting mechanism by one set of control mechanism is realized, so that the integration degree and the manufacturing efficiency of the electric control mechanism of the crane are improved, and the failure rate is reduced.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a three-mechanism control device of a crane according to the present invention;
FIG. 2 is a flowchart of an embodiment of a crane three-mechanism control method according to the present invention.
Detailed Description
The invention provides a method and a device for controlling three mechanisms of a crane, which enable the three mechanisms of a cart, a trolley and a hoisting mechanism to be controlled by one set of control mechanism, thereby improving the integration degree and the manufacturing efficiency of the electrical control mechanism of the crane and reducing the failure rate.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and fig. 2, an embodiment of a crane three-mechanism control device provided by the present invention specifically includes:
a receiving unit 101 for receiving a remote control signal from a remote controller;
the editing unit 102 is used for editing the remote control signal into a motor parameter;
the selection unit 103 is configured to select a channel corresponding to the motor parameter according to the motor parameter;
and the output unit 104 is used for outputting the motor parameters to the corresponding frequency converter so as to control the operation of a cart motor, a trolley motor or a hoisting mechanism motor.
In this embodiment, the receiving unit 101 receives a remote control signal from a remote controller, the editing unit 102 edits the remote control signal into a motor parameter, the selecting unit 103 selects a channel corresponding to the motor parameter according to the motor parameter, and the output unit 104 outputs the motor parameter to a corresponding frequency converter to control the operation of a cart motor, a trolley motor or a hoisting mechanism motor. The control of the cart, the trolley and the hoisting mechanism by one set of control mechanism is realized, so that the integration degree and the manufacturing efficiency of the electric control mechanism of the crane are improved, and the failure rate is reduced.
The following three-mechanism control device for the crane provided by the invention is further explained: the output unit 104 includes:
a cart limit output terminal 1041 and a cart control output terminal 1042;
a cart limit output 1043 and a cart control output 1044;
a hoisting mechanism limit output terminal 1045, a hoisting mechanism control output terminal 1046 and a hoisting mechanism weighing output terminal 1047.
The selection unit 103 includes, but is not limited to, a plurality of relays respectively connected in series to the output unit 104, and corresponding channels are set by on-off of the relays.
Power phase sequence protection, open-phase protection, over-current protection and voltage protection circuits are integrated in the device.
It should be noted that the device cancels the power circuit and the IO interface board and replaces them with the circuit board and the communication protocol. The specific choice of the type of circuit board and communication protocol is not limited herein.
The following three-mechanism control device for the crane provided by the invention is further explained:
the device also comprises a monitoring unit 105 which is used for monitoring the operation of the cart, the trolley and the hoisting mechanism and automatically calculating the service life of the main parts of each mechanism by recording data. Therefore, early warning and protection are provided for intelligent maintenance of the crane.
The monitoring unit 105 sets an acousto-optic alarm with operational and fault alarm functions.
In specific application, the device is arranged in an electric cabinet with 480mm (length) × 330mm (width) × 206mm (height), so that the device is flexible and the cost is effectively reduced.
The invention also provides an embodiment of a control method applying the three-mechanism control device of the crane, which specifically comprises the following steps:
201. receiving a remote control signal from a remote controller;
202. editing the remote control signal into a motor parameter;
203. selecting a channel corresponding to the motor parameter according to the motor parameter;
204. and outputting the motor parameters to corresponding frequency converters to control the operation of a cart motor, a trolley motor or a hoisting mechanism motor.
In this embodiment, the system first receives a remote control signal from a remote controller, edits the remote control signal into a motor parameter, selects a channel corresponding to the motor parameter according to the motor parameter, and finally outputs the motor parameter to a corresponding frequency converter to control a cart motor, a trolley motor, or a hoisting mechanism motor to operate. The control of the cart, the trolley and the hoisting mechanism by one set of control mechanism is realized, so that the integration degree and the manufacturing efficiency of the electric control mechanism of the crane are improved, and the failure rate is reduced.
The method comprises the following steps of outputting motor parameters to corresponding frequency converters to control a cart motor, a trolley motor or a hoisting mechanism motor to operate: 205. the operation of the cart, the trolley and the hoisting mechanism is monitored, and the service life of the main components of each mechanism is automatically calculated through recording data.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
It will be understood by those skilled in the art that all or part of the steps in the method for implementing the above embodiments may be implemented by hardware that is instructed to implement by a program, and the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
Claims (9)
1. A crane three-mechanism control device is characterized by comprising:
a receiving unit (101) for receiving a remote control signal from a remote controller;
the editing unit (102) is used for editing the remote control signal into a motor parameter;
the selection unit (103) is used for selecting a channel corresponding to the motor parameter according to the motor parameter;
and the output unit (104) is used for outputting the motor parameters to the corresponding frequency converter so as to control the operation of a cart motor, a trolley motor or a hoisting mechanism motor.
2. The crane three-mechanism control device according to claim 1,
the output unit (104) includes:
a cart limit output end (1041) and a cart control output end (1042);
a trolley limit output end (1043) and a trolley control output end (1044);
a hoisting mechanism limiting output end (1045), a hoisting mechanism control output end (1046) and a hoisting mechanism weighing output end (1047).
3. The crane triple mechanism control device according to claim 1, characterized in that the selection unit (103) comprises but is not limited to a plurality of relays connected in series to the output unit (104), respectively.
4. The crane three-mechanism control device as claimed in claim 1, wherein power supply phase sequence protection, open-phase protection, over-current protection and voltage protection circuits are integrated in the device.
5. A crane control device according to any one of claims 1-4, characterized in that the device further comprises a monitoring unit (105) for monitoring the operation of the cart, trolley and hoisting mechanism and automatically calculating the life of the main parts of each mechanism by recording data.
6. The crane three-mechanism control device as claimed in claim 5,
the monitoring unit (105) is provided with an audible and visual alarm.
7. A crane three-mechanism control device as claimed in any one of claims 1 to 4, wherein the device is provided in an electric cabinet of 480mm × 330mm × 206 mm.
8. A control method using the crane three-mechanism control device as claimed in any one of claims 1 to 7, comprising:
receiving a remote control signal from a remote controller;
editing the remote control signal into a motor parameter;
selecting a channel corresponding to the motor parameter according to the motor parameter;
and outputting the motor parameters to corresponding frequency converters to control the operation of a cart motor, a trolley motor or a hoisting mechanism motor.
9. The crane three-mechanism control method as claimed in claim 8,
the method comprises the following steps of outputting motor parameters to corresponding frequency converters to control a cart motor, a trolley motor or a hoisting mechanism motor to operate: the operation of the cart, the trolley and the hoisting mechanism is monitored, and the service life of the main components of each mechanism is automatically calculated through recording data.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911345138.4A CN111362144A (en) | 2019-12-24 | 2019-12-24 | Method and device for controlling three mechanisms of crane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911345138.4A CN111362144A (en) | 2019-12-24 | 2019-12-24 | Method and device for controlling three mechanisms of crane |
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| CN111362144A true CN111362144A (en) | 2020-07-03 |
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| CN201911345138.4A Pending CN111362144A (en) | 2019-12-24 | 2019-12-24 | Method and device for controlling three mechanisms of crane |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3820070A (en) * | 1972-06-16 | 1974-06-25 | Mc Cabe Powers Body Co | Control system for a derrick utilizing light multiplex communication link |
| CN101334661A (en) * | 2008-05-26 | 2008-12-31 | 太原重工股份有限公司 | Crane remote wireless parallelling control system and method |
| CN201825661U (en) * | 2010-10-22 | 2011-05-11 | 湖南中铁五新重工有限公司 | Electrical control system of gantry crane |
| CN102923578A (en) * | 2012-11-13 | 2013-02-13 | 扬州华泰特种设备有限公司 | Automatic control system of efficient handing operation of container crane |
| CN205616464U (en) * | 2016-04-29 | 2016-10-05 | 中国有色（沈阳）冶金机械有限公司 | Hoist automatic control system for special steel is smelted |
| CN212799345U (en) * | 2019-12-24 | 2021-03-26 | 华德起重机（天津）股份有限公司 | Three-mechanism control device of crane |
-
2019
- 2019-12-24 CN CN201911345138.4A patent/CN111362144A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3820070A (en) * | 1972-06-16 | 1974-06-25 | Mc Cabe Powers Body Co | Control system for a derrick utilizing light multiplex communication link |
| CN101334661A (en) * | 2008-05-26 | 2008-12-31 | 太原重工股份有限公司 | Crane remote wireless parallelling control system and method |
| CN201825661U (en) * | 2010-10-22 | 2011-05-11 | 湖南中铁五新重工有限公司 | Electrical control system of gantry crane |
| CN102923578A (en) * | 2012-11-13 | 2013-02-13 | 扬州华泰特种设备有限公司 | Automatic control system of efficient handing operation of container crane |
| CN205616464U (en) * | 2016-04-29 | 2016-10-05 | 中国有色（沈阳）冶金机械有限公司 | Hoist automatic control system for special steel is smelted |
| CN212799345U (en) * | 2019-12-24 | 2021-03-26 | 华德起重机（天津）股份有限公司 | Three-mechanism control device of crane |
Non-Patent Citations (1)
| Title |
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| 李萌;: "无线遥控技术在起重机上的应用", 本钢技术, no. 05, 25 October 2008 (2008-10-25), pages 37 - 39 * |
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