CN111422747A - Automatic control system of overhead travelling crane - Google Patents
Automatic control system of overhead travelling crane Download PDFInfo
- Publication number
- CN111422747A CN111422747A CN202010326818.8A CN202010326818A CN111422747A CN 111422747 A CN111422747 A CN 111422747A CN 202010326818 A CN202010326818 A CN 202010326818A CN 111422747 A CN111422747 A CN 111422747A
- Authority
- CN
- China
- Prior art keywords
- control system
- trolley
- automatic control
- main car
- crown block
- 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.)
- Pending
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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
- B66C13/48—Automatic control of crane drives for producing a single or repeated working cycle; Programme control
-
- 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
- B66C15/04—Safety gear for preventing collisions, e.g. between cranes or trolleys operating on the same track
- B66C15/045—Safety gear for preventing collisions, e.g. between cranes or trolleys operating on the same track electrical
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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 an automatic control system of a crown block, which comprises the following components: the main car is arranged between the two tracks, two ends of the main car can be positioned on the corresponding tracks to synchronously walk, a trolley capable of walking along the length direction of the main car is arranged on the lower surface of the main car, and an electric telescopic hook structure is arranged on the trolley; the automatic control system of the crown block also comprises a control unit and a position input unit, wherein the control unit is used for controlling the main car, the trolley and the hook structure to work, and the position input unit is used for inputting the coordinate position of each device and forming a lifting safe operation area. The automatic control system of the crown block overcomes the defects of the prior art, can accurately hoist, avoids manual misoperation, and avoids potential safety hazards.
Description
Technical Field
The invention relates to an automatic control system of a crown block.
Background
The existing crown block is mainly observed by a post operator with naked eyes, and the lifting height and the walking distance in the lifting process can only be observed by eyes and feelings. The main disadvantages are: firstly, the environment of a site (steel mill) is complex, a plurality of large-scale equipment with different heights exist in a hoisting process, a post operator can make a misjudgment, and if the height of a main hook is not enough, the equipment is easy to impact to cause an accident; secondly, the lifting and the seat can not be controlled accurately; thirdly, particularly for hoisting molten metal, the bright and reflective molten steel affects the visual field of post operators, and potential safety hazards exist.
Disclosure of Invention
The invention aims to provide an automatic control system of a crown block, which overcomes the defects of the prior art, can accurately lift and transport, avoids human misoperation and avoids potential safety hazards.
In order to achieve the above object, the present invention provides an automatic crown block control system, including: the main car is arranged between the two tracks, two ends of the main car can synchronously walk on the corresponding tracks, a trolley capable of walking along the length direction of the main car is arranged on the lower surface of the main car, and an electric telescopic hook structure is arranged on the trolley; the automatic crown block control system further comprises a control unit and a position input unit, the control unit is used for controlling the main car, the trolley and the hook structure to work, and the position input unit is used for inputting the coordinate position of each device and forming a lifting safe operation area.
Preferably, the hook structure comprises an electric winding roller, a steel wire rope wound on the electric winding roller and a hanging frame connected to the lower end of the steel wire rope.
Preferably, the bottom of the hanger is provided with at least two hooks.
Preferably, the track is provided with a rail groove, and two ends of the main vehicle are provided with electric wheels matched with the rail groove.
Preferably, the lifting safe operation area is positioned at the position of each device and forms a safe interval with each device.
Preferably, the height of the safety interval is greater than the height of the hoisted object.
Preferably, the edge of the side face of each device is provided with a plurality of collision early warning radars which are electrically connected with an alarm system.
According to the technical scheme, the method comprises the following steps: the main car is arranged between the two tracks, two ends of the main car can synchronously walk on the corresponding tracks, a trolley capable of walking along the length direction of the main car is arranged on the lower surface of the main car, and an electric telescopic hook structure is arranged on the trolley; the automatic crown block control system further comprises a control unit and a position input unit, the control unit is used for controlling the main car, the trolley and the hook structure to work, and the position input unit is used for inputting the coordinate position of each device and forming a lifting safe operation area. Through the position condition of each equipment of accurate location for hang the piece and bypass each equipment at the in-process of handling, need not rely on and think the judgement, improved the accuracy of handling, reduce the emergence of accident, in addition, through the operation of main car, the operation of dolly and the flexible effect of couple structure can accurate location string position, realize automatic couple.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic top view structure diagram of a preferred embodiment of an automatic control system of an overhead travelling crane.
Description of the reference numerals
1 track 2 main car
3 4 couple structures of dolly
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, unless otherwise specified, directional words included in terms such as "upper, lower, left, right, front, rear, inner, and outer" and the like merely represent the directions of the terms in a normal use state or are colloquially known by those skilled in the art, and should not be construed as limiting the terms.
Referring to fig. 1, the automatic control system of an overhead traveling crane includes: the main car 2 is arranged between the two tracks 1, two ends of the main car 2 can be positioned on the corresponding tracks 1 to synchronously walk, a trolley 3 capable of walking along the length direction of the main car 2 is arranged on the lower surface of the main car 2, and an electric telescopic hook structure 4 is arranged on the trolley 3; the automatic crown block control system further comprises a control unit and a position input unit, the control unit is used for controlling the main car 2, the trolley 3 and the hook structure 4 to work, and the position input unit is used for inputting the coordinate position of each device and forming a lifting safe operation area.
Through the implementation of above-mentioned technical scheme, through the position condition of each equipment of accurate location for each equipment is walked around to the piece that hangs at the in-process of handling, need not rely on to think and judge, has improved the accuracy of handling, reduces the emergence of accident, and in addition, through the operation of main car 2, the location hanging position that the operation of dolly 3 and the flexible effect of couple structure 4 can be accurate realizes automatic couple.
In this embodiment, in order to further provide a hook structure 4, preferably, the hook structure 4 includes an electric winding roller, a steel wire rope wound around the electric winding roller, and a hanger connected to a lower end of the steel wire rope.
In this embodiment, in order to improve the stability of the hanger suspension hanger, it is preferable that the bottom of the hanger is provided with at least two hooks. The two hook bodies are connected with the hanger main body by the steel wire rope.
In this embodiment, in order to further realize the movement of the main vehicle 2, it is preferable that the rail 1 is provided with a rail groove, and both ends of the main vehicle 2 are provided with electric wheels matched with the rail groove.
In this embodiment, since the hanger has a certain height after being suspended, in order not to affect the safety of the movement of the hanger, it is preferable that the safety operation area for lifting is located at a position of each device and a safety interval is formed between each device.
In this embodiment, in order to further improve the safety of the lifting, it is preferable that the height of the safety space is greater than the height of the lifted object.
In this embodiment, in order to further improve the safety of lifting and avoid system faults from causing accidents, preferably, a plurality of collision early warning radars are arranged on the edge of the side surface of each device, and the collision early warning radars are electrically connected with an alarm system. When the lifting piece is close to the equipment, the alarm system gives an alarm, and the workers should emergently brake the main car 2 and the trolley 3 after hearing the alarm.
In the safety area of the present invention, i.e. the total space minus the collision-capable area around each equipment, the extension direction of the main truck 2 is taken as a reference Y axis, the trolley 3 moves along the Y axis, the vertical direction is taken as a Z axis, the hook structure 4 moves along the Z axis, the movement direction of the main truck 2 is taken as an X axis, referring to fig. 1, the point AB is taken as an X axis origin, the point C is taken as a Y axis origin, the point D is taken as a Z axis origin, the corresponding points a1, B1, C1 and D1 are taken as the status positions after movement, the equipment is taken as a continuous casting ladle turret and a ladle car, the reference points are respectively E and F points, and the coordinates thereof are respectively 120,20,32 and 100,5,5, and the unit is m. And marking the coordinate value of point E, F, inputting the coordinate value into the running data of the crown block, namely, in the position input unit, lifting the main hook into a safety area, and lifting or avoiding the main hook at the specified coordinate position.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (7)
1. The utility model provides an overhead traveling crane automatic control system which characterized in that, overhead traveling crane automatic control system includes: the trolley comprises two tracks (1) which are positioned on the same horizontal plane and arranged in parallel, a main trolley (2) is arranged between the two tracks (1), two ends of the main trolley (2) can be positioned on the corresponding tracks (1) to synchronously walk, a trolley (3) capable of walking along the length direction of the trolley is arranged on the lower surface of the main trolley (2), and an electric telescopic hook structure (4) is arranged on the trolley (3);
the automatic crown block control system further comprises a control unit and a position input unit, the control unit is used for controlling the main car (2), the trolley (3) and the hook structure (4) to work, and the position input unit is used for inputting the coordinate position of each device and forming a lifting safe operation area.
2. An automatic control system for overhead travelling crane according to claim 1, characterized in that said hook structure (4) comprises an electric winding roller, a wire rope wound around said electric winding roller and a hanger connected to the lower end of said wire rope.
3. The automatic crown block control system according to claim 2, characterized in that the bottom of said hanger is provided with at least two hooks.
4. The automatic crown block control system according to claim 1, characterized in that a rail groove is arranged on the rail (1), and electric wheels matched with the rail groove are arranged at two ends of the main car (2).
5. The automatic control system of overhead traveling crane according to claim 1, wherein the safe handling area is located at the position of each equipment and forms a safe interval with each equipment.
6. The crown block automatic control system according to claim 5, characterized in that the height of the safety interval is greater than the height of the hoisted object.
7. An automatic control system for overhead travelling crane according to any one of claims 1-6, characterized in that the edge of the side of each equipment is provided with a plurality of collision pre-warning radars electrically connected with an alarm system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010326818.8A CN111422747A (en) | 2020-04-23 | 2020-04-23 | Automatic control system of overhead travelling crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010326818.8A CN111422747A (en) | 2020-04-23 | 2020-04-23 | Automatic control system of overhead travelling crane |
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| CN111422747A true CN111422747A (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010326818.8A Pending CN111422747A (en) | 2020-04-23 | 2020-04-23 | Automatic control system of overhead travelling crane |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101143686A (en) * | 2007-09-28 | 2008-03-19 | 天津理工大学 | Traveling crane positioning system and positioning method |
| CN201109688Y (en) * | 2008-02-22 | 2008-09-03 | 高旭 | Hoisting hanging high speed energy-saving safety operating control system for container |
| CN202988595U (en) * | 2012-11-16 | 2013-06-12 | 重庆奥博铝材制造有限公司 | Bridge crane with positioning function |
| CN203299627U (en) * | 2013-06-06 | 2013-11-20 | 洛阳涧光石化设备有限公司 | Remote operation control system of crown block for delayed coking |
| CN104495628A (en) * | 2014-12-17 | 2015-04-08 | 嘉兴瑞恩重工科技有限公司 | Automatic lifting truck loading system and control method thereof |
| CN204297955U (en) * | 2014-11-20 | 2015-04-29 | 株洲优瑞科有色装备有限公司 | The three-dimensional accurate positioning device of crane in bridge type and crane in bridge type thereof |
| CN104724606A (en) * | 2015-03-18 | 2015-06-24 | 苏州盈兴信息技术有限公司 | Automatic tracking device and automatic tracking method for production material storage and transportation operation images |
| CN105197800A (en) * | 2015-09-30 | 2015-12-30 | 西安宝德自动化股份有限公司 | Crane wireless positioning control system and crane wireless positioning control method based on UWB (ultra-wide bandwidth) |
| CN107311041A (en) * | 2017-08-17 | 2017-11-03 | 唐山钢铁国际工程技术股份有限公司 | A kind of high-precision traveling crane positioning system and method |
| CN207918293U (en) * | 2018-03-14 | 2018-09-28 | 河钢股份有限公司 | A kind of unmanned overhead traveling crane automatic control system |
| CN208150798U (en) * | 2018-05-02 | 2018-11-27 | 河钢股份有限公司 | A kind of unmanned overhead traveling crane is accurately positioned and control system |
-
2020
- 2020-04-23 CN CN202010326818.8A patent/CN111422747A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101143686A (en) * | 2007-09-28 | 2008-03-19 | 天津理工大学 | Traveling crane positioning system and positioning method |
| CN201109688Y (en) * | 2008-02-22 | 2008-09-03 | 高旭 | Hoisting hanging high speed energy-saving safety operating control system for container |
| CN202988595U (en) * | 2012-11-16 | 2013-06-12 | 重庆奥博铝材制造有限公司 | Bridge crane with positioning function |
| CN203299627U (en) * | 2013-06-06 | 2013-11-20 | 洛阳涧光石化设备有限公司 | Remote operation control system of crown block for delayed coking |
| CN204297955U (en) * | 2014-11-20 | 2015-04-29 | 株洲优瑞科有色装备有限公司 | The three-dimensional accurate positioning device of crane in bridge type and crane in bridge type thereof |
| CN104495628A (en) * | 2014-12-17 | 2015-04-08 | 嘉兴瑞恩重工科技有限公司 | Automatic lifting truck loading system and control method thereof |
| CN104724606A (en) * | 2015-03-18 | 2015-06-24 | 苏州盈兴信息技术有限公司 | Automatic tracking device and automatic tracking method for production material storage and transportation operation images |
| CN105197800A (en) * | 2015-09-30 | 2015-12-30 | 西安宝德自动化股份有限公司 | Crane wireless positioning control system and crane wireless positioning control method based on UWB (ultra-wide bandwidth) |
| CN107311041A (en) * | 2017-08-17 | 2017-11-03 | 唐山钢铁国际工程技术股份有限公司 | A kind of high-precision traveling crane positioning system and method |
| CN207918293U (en) * | 2018-03-14 | 2018-09-28 | 河钢股份有限公司 | A kind of unmanned overhead traveling crane automatic control system |
| CN208150798U (en) * | 2018-05-02 | 2018-11-27 | 河钢股份有限公司 | A kind of unmanned overhead traveling crane is accurately positioned and control system |
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Application publication date: 20200717 |
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| RJ01 | Rejection of invention patent application after publication |