CN107572380B - Full electric field bridge - Google Patents
Full electric field bridge Download PDFInfo
- Publication number
- CN107572380B CN107572380B CN201710906280.6A CN201710906280A CN107572380B CN 107572380 B CN107572380 B CN 107572380B CN 201710906280 A CN201710906280 A CN 201710906280A CN 107572380 B CN107572380 B CN 107572380B
- Authority
- CN
- China
- Prior art keywords
- motor
- cart
- electric field
- motors
- field bridge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The application provides an all-electric field bridge. The full electric field bridge comprises a plurality of lifting motors; a plurality of cart motors; a plurality of jacking motors; a plurality of trolley motors; the plurality of first frequency converters are connected with the lifting motor, the cart motor, the jacking motor and the trolley motor and used for driving the lifting motor, the cart motor, the jacking motor and the trolley motor; the rectifier is connected with the first frequency converter; the synchronous controller is connected with the first frequency converter and is used for controlling the first frequency converter to work; and the programmable controller sends an operation instruction to the synchronous controller. The application provides an all-electric field bridge which is simple to control, convenient to maintain and capable of reducing environmental pollution.
Description
Technical Field
The application relates to the field of container terminal operation, in particular to an all-electric field bridge.
Background
The field bridge of the traditional container terminal only plays a role in lifting, the trolley and the cart 3 mechanism use the asynchronous motor for variable frequency control, and the lifting, the steering and the like adopt hydraulic systems, the hydraulic systems have more control signals, and the hydraulic systems are inconvenient to maintain and easy to pollute the environment.
Disclosure of Invention
Aiming at the problems in the prior art, the application provides an all-electric field bridge which is simple to control, convenient to maintain and capable of reducing environmental pollution.
In particular, the application proposes an all-electric field bridge comprising,
a plurality of lifting motors;
a plurality of cart motors;
a plurality of jacking motors;
a plurality of trolley motors;
a plurality of first frequency converters connected with the lifting motor, the cart motor, the jacking motor and the cart motor,
the lifting motor, the cart motor, the jacking motor and the trolley motor are driven;
the first frequency converter is connected with the rectifier;
the synchronous controller is connected with the first frequency converter and is used for controlling the first frequency converter to work;
and the programmable controller is used for sending an operation instruction to the synchronous controller.
According to one embodiment of the application, the full electric field bridge comprises 4 lifting motors, 4 cart motors, 4 jacking motors, 2 trolley motors and 6 first frequency converters.
According to one embodiment of the application, the lifting motor is mechanically connected with a lifting electric brake, and the lifting electric brake is used for braking the lifting motor; the cart motor is mechanically connected with a cart electric brake, and the cart electric brake is used for braking the cart motor; the jacking motor is mechanically connected with a jacking electric brake, and the jacking electric brake is used for braking the jacking motor.
According to one embodiment of the application, the electric brake device further comprises a second frequency converter connected with the electric brake of the large vehicle, and the electric brake of the large vehicle is controlled by the second frequency converter.
According to one embodiment of the application, the lifting motor, the cart motor, the jacking motor and the cart motor are permanent magnet synchronous motors.
According to one embodiment of the application, the programmable controller and the synchronous controller communicate using a process field bus standard.
According to one embodiment of the application, an optical cable connection is used between the programmable controller and the synchronous controller.
According to one embodiment of the application, the synchronous controller communicates with the first frequency converter and the second frequency converter by RS-485.
According to one embodiment of the application, it further comprises a plurality of tyre sets, each tyre set being connected to a steering motor for steering said tyre sets.
According to one embodiment of the application, the lifting rated load of the full electric field bridge is 40T (ton), the lifting height is 18m (meter), the lifting speed is 25-52 m/min (meter/min), the trolley speed is 60-80 m/min, and the cart speed is 30-120 m/min.
The full electric field bridge provided by the application has the advantages of reasonable overall system layout, simple control, convenience in maintenance and reduction of environmental pollution.
It is to be understood that both the foregoing general description and the following detailed description of the present application are exemplary and explanatory and are intended to provide further explanation of the application as claimed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the accompanying drawings:
fig. 1 shows a schematic structural diagram of an embodiment of the present application.
FIG. 2 illustrates a control framework diagram of one embodiment of the present application.
Detailed Description
Embodiments of the present application will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the present application, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. Furthermore, although terms used in the present application are selected from publicly known and commonly used terms, some terms mentioned in the present specification may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Furthermore, it is required that the present application is understood, not simply by the actual terms used but by the meaning of each term lying within.
Fig. 1 shows a schematic structural diagram of an embodiment of the present application. FIG. 2 illustrates a control framework diagram of one embodiment of the present application. As shown, an all-electric field bridge 100 includes a plurality of hoist motors 101, a plurality of cart motors 102, a plurality of jack motors 103, a plurality of cart motors 104, a plurality of first frequency converters 105, a rectifier 106, a synchronous controller 107, and a programmable controller 108.
The first frequency converter 105 is used for driving the lifting motor 101, the cart motor 102, the jacking motor 103 and the cart motor 104 to work, and the lifting motor 101, the cart motor 102, the jacking motor 103 and the cart motor 104 are connected with the lifting motor 102 and the jacking motor 103. Conventionally, the first frequency converter 105 can access 3 devices. As shown, a lifting motor 101, a cart motor 102 and a jack motor 103 are selected to be connected to a first frequency converter 105. It is easy to understand that one first frequency converter 105 may be connected to any three or two of one lifting motor 101, one cart motor 102, one jacking motor 103 and one cart motor 104, or one first frequency converter 105 may be connected to only any one of the above.
The first frequency converter 105 is connected to the rectifier 106. The rectifier 106 converts the ac power into dc power and transmits the dc power to the first inverter 105, and the first inverter 105 converts the ac power into dc power to supply power to the lifting motor 101, the cart motor 102, the jack-up motor 103 and the cart motor 104.
The control part of the full electric field bridge 100 comprises a synchronous controller 107 and a programmable controller 108. The synchronization controller 107 provides high speed position synchronization calculation to control the synchronization of the lifting positions. The synchronization controller 107 is connected to the first frequency converter 105. The synchronous controller 107 is used to control the operation of the first frequency converter 105. The programmable controller 108 may employ a high-performance CPU that sends operating instructions to the synchronous controller 107.
The full electric field bridge 100 provided by the application has reasonable overall layout, is controlled by the programmable controller 108, and is simple to control and convenient to maintain.
In the embodiment shown in fig. 1, the full electric field bridge 100 comprises 4 lifting motors 101, 4 cart motors 102, 4 jack motors 103, 2 cart motors 104 and 6 first frequency converters 105 connected thereto.
Preferably, the lifting motor 101 is mechanically connected to a lifting electric brake (not shown) for braking the lifting motor. The cart motor 102 is mechanically coupled to a cart electric brake (not shown) that is used to brake the cart motor 102. The jacking motor 103 is mechanically connected to a jacking electric brake (not shown) for braking the jacking motor 103. More preferably, the full electric field bridge 100 further includes a second frequency converter (not shown) connected to the electric brake of the cart, which is controlled by the second frequency converter to implement intelligent braking.
Preferably, the lifting motor 101, the cart motor 102, the jacking motor 103 and the cart motor 104 are permanent magnet synchronous motors. The permanent magnet synchronous motor has large moment and overload capacity, small volume and high power factor. The relative control signals are less, and compared with a hydraulic system, the hydraulic system is convenient to maintain.
Preferably, the programmable controller 108 and the synchronous controller 107 communicate using the process field bus (Profibus) standard. Profibus is an internationalized, open, field bus standard independent of equipment manufacturers, and has strong interference resistance. The Profibus transfer speed may be selected in the range of 9.6kbaud to 12Mbaud and when the bus system is started, all devices connected to the bus should be set to the same speed. It is widely applicable to automation of manufacturing industry, industrial automation of flow and automation of other fields such as building, traffic power and the like. Profibus is a field bus technology for plant automation workshop level monitoring and field device layer data communication and control, and can realize a distributed digital control and field communication network from the field device layer to the workshop level monitoring, thereby providing a feasible solution for realizing plant comprehensive automation and field device intellectualization.
Preferably, an optical cable connection is used between the programmable controller 108 and the synchronization controller 107.
Preferably, the synchronization controller 107 communicates with the first frequency converter 105 using RS-485.
Preferably, the full electric field bridge 100 further comprises a plurality of tire sets (not shown), each tire set being coupled to a steering motor for steering the tire sets.
Preferably, the full electric field bridge 100 has a lifting rated load of 40T, a lifting height of 18m, a lifting speed of 25-52 m/min, a trolley speed of 60-80 m/min and a cart speed of 30-120 m/min.
Preferably, the electric field bridge 100 can be powered by a diesel engine set 109 or by mains electricity.
The specific steps of operation of the all-electric field bridge 100 in the electric power steering of the cart mechanism are specifically described below.
1. The programmable controller 108 outputs instructions to the synchronous controller 107, and the synchronous controller 107 controls the 4 first frequency converters 105 to drive the 4 jacking motors 103 to work respectively.
2. When the full electric field bridge 100 is lifted up to a predetermined height, the lifting electric brake applies a brake, and the lifting motor 103 stops operating.
3. The steering motor works to drive the tire group to steer. The steering motor drives the push rod to start working, a brake connected with the steering motor is opened, and when the tire group rotates to a specified angle, the brake brakes, and the steering motor stops working.
4. The synchronous controller 107 controls the 4 first frequency converters 105 to drive the 4 jacking motors 103 to work again respectively, and after the full electric field bridge 100 descends to the set position, the jacking motors 103 stop working, and the whole steering process is completed.
It will be apparent to those skilled in the art that various modifications and variations can be made to the above-described exemplary embodiments of the present application without departing from the spirit and scope of the application. Therefore, it is intended that the present application cover the modifications and variations of this application provided they come within the scope of the appended claims and their equivalents.
Claims (10)
1. An all-electric field bridge, comprising,
a plurality of lifting motors;
a plurality of cart motors;
a plurality of jacking motors;
a plurality of trolley motors;
the plurality of first frequency converters are connected with the lifting motor, the cart motor, the jacking motor and the cart motor and used for driving the lifting motor, the cart motor, the jacking motor and the cart motor;
the first frequency converter is connected with the rectifier;
the synchronous controller is connected with the first frequency converter and is used for controlling the first frequency converter to work;
and the programmable controller is used for sending an operation instruction to the synchronous controller.
2. The full electric field bridge of claim 1, comprising 4 of said hoist motors, 4 of said cart motors, 4 of said jack motors, 2 of said cart motors, and 6 first frequency converters.
3. The full electric field bridge of claim 1, wherein the hoist motor is mechanically coupled to a hoist electric brake for braking the hoist motor; the cart motor is mechanically connected with a cart electric brake, and the cart electric brake is used for braking the cart motor; the jacking motor is mechanically connected with a jacking electric brake, and the jacking electric brake is used for braking the jacking motor.
4. A full electric field bridge as set forth in claim 3 further comprising a second frequency converter connected to said cart electric brake, said cart electric brake being controlled by said second frequency converter.
5. The full electric field bridge of claim 1, wherein the hoist motor, cart motor, jack motor, and trolley motor are permanent magnet synchronous motors.
6. The full electric field bridge of claim 1, wherein the programmable controller and the synchronous controller communicate using a process field bus standard.
7. The full electric field bridge of claim 1, wherein an optical cable connection is employed between the programmable controller and the synchronous controller.
8. The full electric field bridge of claim 4, wherein the synchronization controller is in RS-485 communication with the first frequency converter and the second frequency converter.
9. The full electric field bridge of claim 1, further comprising a plurality of tire sets, each tire set being coupled to a steering motor for steering the tire set.
10. The full electric field bridge of claim 1, wherein the full electric field bridge has a lifting rated load of 40T, a lifting height of 18m, a lifting speed of 25-52 m/min, a trolley speed of 60-80 m/min, and a cart speed of 30-120 m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710906280.6A CN107572380B (en) | 2017-09-29 | 2017-09-29 | Full electric field bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710906280.6A CN107572380B (en) | 2017-09-29 | 2017-09-29 | Full electric field bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107572380A CN107572380A (en) | 2018-01-12 |
| CN107572380B true CN107572380B (en) | 2023-09-01 |
Family
ID=61039850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710906280.6A Active CN107572380B (en) | 2017-09-29 | 2017-09-29 | Full electric field bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107572380B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4038981A1 (en) * | 1990-12-06 | 1992-06-11 | Man Ghh Logistics | Frequency changer for AC crane motors - uses equivalent circuit data to compute torque and to avoid approaching pull=out torque |
| JP2009057148A (en) * | 2007-08-31 | 2009-03-19 | Mitsubishi Heavy Ind Ltd | Idling preventing control device for trolley |
| CN201436280U (en) * | 2009-04-28 | 2010-04-07 | 上海颖川加固工程技术有限公司 | Multi-point synchronization hydraulic lifting system |
| CN202208972U (en) * | 2011-04-12 | 2012-05-02 | 天津城建集团有限公司 | Multi-point synchronization jacking device |
| CN203079568U (en) * | 2012-12-26 | 2013-07-24 | 山东蓝天重工股份有限公司 | Electrical control system of full-automatic smart crane |
| CN103288012A (en) * | 2013-03-06 | 2013-09-11 | 青岛威达机械制造有限公司 | Horizontally-moving jacking transferring trolley |
| CN203359811U (en) * | 2013-07-18 | 2013-12-25 | 武桥重工集团股份有限公司 | Electric control system for crane barge |
| CN204847954U (en) * | 2015-08-29 | 2015-12-09 | 河南真牛起重机有限公司 | Grab bucket crane's intelligent control device |
| CN105668415A (en) * | 2016-04-01 | 2016-06-15 | 上海振华重工(集团)股份有限公司 | Power supply system and power supply switching method of container gantry crane |
| CN207511705U (en) * | 2017-09-29 | 2018-06-19 | 上海振华重工(集团)股份有限公司 | A kind of all-electric field bridge |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011031267A2 (en) * | 2009-09-11 | 2011-03-17 | Tm Ge Automation Systems, Llc | Fuel efficient crane system |
-
2017
- 2017-09-29 CN CN201710906280.6A patent/CN107572380B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4038981A1 (en) * | 1990-12-06 | 1992-06-11 | Man Ghh Logistics | Frequency changer for AC crane motors - uses equivalent circuit data to compute torque and to avoid approaching pull=out torque |
| JP2009057148A (en) * | 2007-08-31 | 2009-03-19 | Mitsubishi Heavy Ind Ltd | Idling preventing control device for trolley |
| CN201436280U (en) * | 2009-04-28 | 2010-04-07 | 上海颖川加固工程技术有限公司 | Multi-point synchronization hydraulic lifting system |
| CN202208972U (en) * | 2011-04-12 | 2012-05-02 | 天津城建集团有限公司 | Multi-point synchronization jacking device |
| CN203079568U (en) * | 2012-12-26 | 2013-07-24 | 山东蓝天重工股份有限公司 | Electrical control system of full-automatic smart crane |
| CN103288012A (en) * | 2013-03-06 | 2013-09-11 | 青岛威达机械制造有限公司 | Horizontally-moving jacking transferring trolley |
| CN203359811U (en) * | 2013-07-18 | 2013-12-25 | 武桥重工集团股份有限公司 | Electric control system for crane barge |
| CN204847954U (en) * | 2015-08-29 | 2015-12-09 | 河南真牛起重机有限公司 | Grab bucket crane's intelligent control device |
| CN105668415A (en) * | 2016-04-01 | 2016-06-15 | 上海振华重工(集团)股份有限公司 | Power supply system and power supply switching method of container gantry crane |
| CN207511705U (en) * | 2017-09-29 | 2018-06-19 | 上海振华重工(集团)股份有限公司 | A kind of all-electric field bridge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107572380A (en) | 2018-01-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201593174U (en) | Movable type electric hoist opening and closing machine double hoisting points | |
| CN104973522A (en) | Boom crane | |
| CN107572380B (en) | Full electric field bridge | |
| CN206886459U (en) | A kind of elevator control system | |
| CN201118513Y (en) | Efficiency optimization control system for three-phase inductance electromotor | |
| CN203014726U (en) | Synchronous control device for four driving motors of large-scale charging and discharging machine | |
| CN207511705U (en) | A kind of all-electric field bridge | |
| CN201447728U (en) | Fully-digital frequency-converting speed-regulating control system of excavator | |
| CN204588515U (en) | Crane safety intelligent control system | |
| CN201280391Y (en) | Double-hung synchronization mechanism of crane | |
| CN207596365U (en) | The built-in frequency control drive assembly of crane | |
| CN103414405A (en) | Device for balancing bridge type hoist motor moment and control method | |
| CN210683023U (en) | Double-mechanism synchronous operation lifting control system for tower crane | |
| CN204549859U (en) | The cart running velocity control system of overhead traveling crane | |
| CN218371355U (en) | Crane band-type brake system | |
| CN202400739U (en) | Crane control system | |
| CN201406279Y (en) | Frequency conversion hoisting control system | |
| CN204299370U (en) | The meticulous detent mechanism of Airshower chamber lever gear door | |
| CN2537709Y (en) | Electric driver for dry method coke quenching car | |
| CN201240778Y (en) | Crane control system and crane including the same | |
| CN201932863U (en) | Rotor double-fed variable frequency electric control system of lifter | |
| CN204369438U (en) | A kind of control setup of hoisting crane and hoisting crane | |
| CN212769487U (en) | Port electrical signal module | |
| CN204689462U (en) | A kind of arm derrick crane hoisting equipment | |
| CN203558063U (en) | Variable-frequency mobile leakage harvester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |