CN215558468U - Position identification system of crane - Google Patents

Position identification system of crane Download PDF

Info

Publication number
CN215558468U
CN215558468U CN202121622607.5U CN202121622607U CN215558468U CN 215558468 U CN215558468 U CN 215558468U CN 202121622607 U CN202121622607 U CN 202121622607U CN 215558468 U CN215558468 U CN 215558468U
Authority
CN
China
Prior art keywords
cart
trolley
write head
rfid read
detection rfid
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
Application number
CN202121622607.5U
Other languages
Chinese (zh)
Inventor
仇维亮
李秀苓
徐崇
方玉琨
于书涛
马颖
周庚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DhiDcw Group Co ltd
Dalian Huarui Heavy Industry Group Co Ltd
Original Assignee
DhiDcw Group Co ltd
Dalian Huarui Heavy Industry Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DhiDcw Group Co ltd, Dalian Huarui Heavy Industry Group Co Ltd filed Critical DhiDcw Group Co ltd
Priority to CN202121622607.5U priority Critical patent/CN215558468U/en
Application granted granted Critical
Publication of CN215558468U publication Critical patent/CN215558468U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Control And Safety Of Cranes (AREA)

Abstract

The utility model provides a position identification system of a crane, which comprises a cart position detection RFID read/write head, a trolley position detection RFID read/write head, a cart position code carrier, a trolley position code carrier and a PLC control cabinet, wherein the cart position detection RFID read/write head is connected with the cart position code carrier; the cart position detection RFID read/write head measures and acquires the position information of the cart position code carrier, the trolley position detection RFID read/write head measures and acquires the position information of the trolley position code carrier, the PLC control cabinet respectively acquires the position information of the cart position code carrier and the position information of the trolley position code carrier, converts the acquired position information of the cart position code carrier into a cart corresponding position, converts the acquired position information of the trolley position code carrier into a trolley corresponding position, and realizes the identification and positioning of the cart position and the trolley position. The technical scheme of the utility model solves the technical problem that in the prior art, the designated position of the crane in the large and small vehicle travels is identified, and a plurality of positions cannot be positioned under the condition of ensuring the continuous operation state.

Description

Position identification system of crane
Technical Field
The utility model relates to the technical field of crane electric control, in particular to a position identification system of a crane.
Background
At present, the specified position of a crane in the large and small trolley travel is identified by a mechanical limit switch, a proximity switch and the like, and as shown in fig. 1, the system is a configuration schematic diagram of a large and small trolley position identification system of a traditional crane. The method is suitable for occasions with few positioning points, and if the crane needs to identify the positions of multiple points during working, a switch needs to be configured at each position, so that the number of fault points is increased, and the continuous operation of the crane is not facilitated.
SUMMERY OF THE UTILITY MODEL
According to the technical problem that the conventional crane cannot position a plurality of positions under the condition of ensuring continuous operation by identifying the designated positions in the process of large and small vehicles, the position identification system of the crane is provided. The utility model mainly utilizes the RFID radio frequency identification technology to read signals in a non-contact way, thereby realizing the multi-position identification and positioning of the mobile equipment.
The technical means adopted by the utility model are as follows:
a position identification system of a crane, comprising: the system comprises a cart position detection RFID read/write head, a trolley position detection RFID read/write head, a cart position code carrier, a trolley position code carrier and a PLC control cabinet; the cart position detection RFID read/write head measures and acquires the position information of the cart position code carrier, the trolley position detection RFID read/write head measures and acquires the position information of the trolley position code carrier, the PLC control cabinet respectively acquires the position information of the cart position code carrier and the position information of the trolley position code carrier, converts the acquired position information of the cart position code carrier into a cart corresponding position, converts the acquired position information of the trolley position code carrier into a trolley corresponding position, and realizes the identification and positioning of the cart position and the trolley position.
Further, the cart position detection RFID read/write head is disposed at one side of the end beam of the crane, and moves together with the cart for transmitting a radio frequency signal in a direction parallel to the cart track.
Further, the dolly position detection RFID read/write head is disposed at one side of the rim of the crane, and moves together with the dolly for transmitting a radio frequency signal in a direction parallel to the dolly track.
Further, the cart position code carrier is arranged on the walking platform on one side of the cart end beam in a mode of being parallel to the cart track, and no shielding object is arranged between the cart position code carrier and the cart position detection RFID reading/writing head, and the cart position code carrier is used for reflection modulation of radio frequency signals emitted by the cart position detection RFID reading/writing head.
Further, the number of the large vehicle position code carriers is not limited, and each large vehicle position code carrier stores different position codes.
Furthermore, the trolley position code carrier is arranged on the main beam on one side of the trolley track in a mode of being parallel to the trolley track, and has no shielding object with the trolley position detection RFID read/write head, and is used for reflecting and modulating a radio frequency signal emitted by the trolley position detection RFID read/write head.
Further, the number of the trolley position code carriers is not limited, and each trolley position code carrier stores a different position code.
Further, the PLC control cabinet is arranged above the crane and comprises a PLC processor and an RFID controller; the PLC processor is connected with the cart position detection RFID read/write head and the trolley position detection RFID read/write head through the RFID controller.
Further, the RFID controller is respectively connected with the cart position detection RFID read/write head and the trolley position detection RFID read/write head through communication cables and is used for reading detection data of the cart position detection RFID read/write head and the trolley position detection RFID read/write head through network communication.
Compared with the prior art, the utility model has the following advantages:
1. the position identification system of the crane provided by the utility model mainly utilizes the RFID technology to read signals in a non-contact way, thereby realizing multi-position identification and positioning of mobile equipment.
2. The position identification system of the crane provided by the utility model can realize identification and positioning of a plurality of positions by arranging the read/write head in one track direction, is flexible in configuration, simple and reliable, and is particularly suitable for occasions needing multipoint position identification.
Based on the reason, the utility model can be widely popularized in the fields of crane electric control and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic configuration diagram of a conventional crane big-small vehicle position identification system according to an embodiment.
Fig. 2 is a schematic configuration diagram of a position recognition system of a crane according to an embodiment of the present invention.
Fig. 3 is a schematic configuration diagram of a position recognition system of a crane according to another embodiment of the present invention.
Fig. 4 is a network connection diagram of the crane position recognition system of the present invention.
In the figure: 1. a cart position carrier; 2. a cart position detection RFID read/write head; 3. a trolley position code carrier; 4. a dolly position detection RFID read/write head; 5. a PLC control cabinet; 6. a PLC processor; 7. an RFID controller, 8 and an upper computer; 9. a switch.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
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 only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. 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 is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. 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, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
As shown in fig. 2 and 3, the present invention provides a position recognition system for a crane, including: a cart position detection RFID read/write head 2, a trolley position detection RFID read/write head 4, a cart position code carrier 1, a trolley position code carrier 3 and a PLC control cabinet 5; the cart position detection RFID read/write head 2 measures and acquires the position information of the cart position code carrier 1, the trolley position detection RFID read/write head 4 measures and acquires the position information of the trolley position code carrier 3, the PLC control cabinet 5 respectively acquires the position information of the cart position code carrier 1 and the position information of the trolley position code carrier 3, converts the acquired position information of the cart position code carrier 1 into a cart corresponding position, converts the acquired position information of the trolley position code carrier 3 into a trolley corresponding position, and realizes the identification and positioning of the cart and the trolley positions.
In concrete implementation, as a preferred embodiment of the present invention, the cart position detection RFID read/write head 2 is disposed at one side of an end beam of the crane, and moves together with the cart for transmitting a radio frequency signal in a direction parallel to the cart track. The dolly position detection RFID read/write head 4 is arranged at one side of the edge of the crane, moving together with the dolly, for emitting a radio frequency signal in a direction parallel to the dolly track.
In concrete implementation, as a preferred embodiment of the present invention, the cart position code carrier 1 is disposed on a walking board on one side of a cart end beam in a manner parallel to a cart track, and has no shielding object with the cart position detection RFID read/write head 2, and is used for reflection modulation of a radio frequency signal emitted by the cart position detection RFID read/write head 2. The number of the large vehicle position code carriers 1 is not limited, and each large vehicle position code carrier 1 stores different position codes.
In specific implementation, as a preferred embodiment of the present invention, the cart position code carrier 3 is disposed on the main beam on one side of the cart track in a manner parallel to the cart track, and has no shielding object between itself and the cart position detection RFID read/write head 4, and is used for reflection modulation of the radio frequency signal emitted by the cart position detection RFID read/write head 4. The number of the trolley position code carriers 3 is not limited, and each trolley position code carrier 3 stores a different position code.
In specific implementation, as a preferred embodiment of the present invention, the PLC control cabinet 5 is disposed above the crane, and includes a PLC processor 6 and an RFID controller 7; the PLC 6 is connected with the cart position detection RFID read/write head 2 and the trolley position detection RFID read/write head 4 through an RFID controller 7. The RFID controller 7 is respectively connected with the cart position detection RFID read/write head 2 and the trolley position detection RFID read/write head 4 through communication cables, and is used for reading detection data of the cart position detection RFID read/write head 2 and the trolley position detection RFID read/write head 4 through network communication.
The utility model also provides a position identification method of the crane, which is realized based on the position identification system of the crane and comprises the following steps:
s1, arranging a plurality of trolley position code carriers on a main beam parallel to a trolley track, arranging a trolley position detection RFID read/write head on one side of the edge of the crane, and moving together with the trolley;
s2, arranging a plurality of cart position code carriers on a walking platform parallel to a cart track, arranging a cart position detection RFID read/write head on one side of an end beam of the crane, and moving together with the cart;
step S3, establishing a rectangular coordinate system, wherein the X axis represents the transverse displacement of the crane trolley, and the Y axis represents the longitudinal displacement of the crane trolley;
s4, writing a plurality of trolley position code carriers into position codes X1, X2, X3, X4 … … and so on by using a trolley position detection RFID read/write head;
s5, writing a plurality of cart position code carriers into position codes Y1, Y2, Y3 and Y4 … … respectively by using a cart position detection RFID read/write head, and so on;
and step S6, respectively reading the positions of the big trolley by using the big trolley position detection RFID read/write head and the trolley position detection RFID read/write head through the position movement of the big trolley and the small trolley. Namely:
in the running process of the crane trolley, when the trolley position detection RFID read/write head 4 passes through the corresponding code carrier, the read position code is transmitted to the RFID controller 7, the RFID controller 7 transmits the position code to the PLC processor 6, the position code is converted into the corresponding position of the trolley by the PLC processor 6, and the crane is controlled to automatically complete the preset action.
In the running process of the crane trolley, when the RFID read/write head 2 for detecting the position of the trolley passes through the corresponding code carrier, the read position code is transmitted to the RFID controller 7, the RFID controller 7 transmits the position code to the PLC 6, the position code is converted into the corresponding position of the trolley by the PLC 6, and the crane is controlled to automatically complete the preset action.
In summary, the present invention utilizes the RFID technology to perform non-contact signal reading, so as to realize multi-location identification and positioning of the mobile device, and if the detection location needs to be increased, other configurations need not to be changed, and the mobile device can be realized by increasing the code body. The configuration is flexible, simple and reliable.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. A position recognition system for a crane, comprising: the system comprises a cart position detection RFID read/write head, a trolley position detection RFID read/write head, a cart position code carrier, a trolley position code carrier and a PLC control cabinet; the cart position detection RFID read/write head measures and acquires the position information of the cart position code carrier, the trolley position detection RFID read/write head measures and acquires the position information of the trolley position code carrier, the PLC control cabinet respectively acquires the position information of the cart position code carrier and the position information of the trolley position code carrier, converts the acquired position information of the cart position code carrier into a cart corresponding position, converts the acquired position information of the trolley position code carrier into a trolley corresponding position, and realizes the identification and positioning of the cart position and the trolley position.
2. The position recognition system of claim 1, wherein the cart position detection RFID read/write head is provided at one side of an end beam of the crane, and moves together with the cart for transmitting the radio frequency signal in a direction parallel to the cart track.
3. The position recognition system for a crane according to claim 1, wherein the dolly position detection RFID read/write head is provided at one side of the rim of the crane to move together with the dolly for transmitting the radio frequency signal in a direction parallel to the dolly track.
4. The position recognition system of claim 1, wherein the cart position carrier is disposed on a deck on one side of a cart end beam in parallel with a cart track, and has no barrier to the cart position detection RFID read/write head for reflectively modulating a radio frequency signal emitted from the cart position detection RFID read/write head.
5. The position recognition system of claim 4, wherein the number of the cart position carriers is unlimited, and each cart position carrier stores a different position code.
6. The position recognition system for a crane according to claim 1, wherein said trolley position carrier is disposed on a main beam on one side of the trolley track in parallel with the trolley track, and has no barrier with said trolley position detection RFID read/write head for reflectively modulating a radio frequency signal emitted from said trolley position detection RFID read/write head.
7. The position recognition system of claim 6, wherein the number of trolley position carriers is unlimited, and each trolley position carrier stores a different position code.
8. The position recognition system of a crane according to claim 1, wherein the PLC control cabinet is disposed above the crane, and includes a PLC processor and an RFID controller; the PLC processor is connected with the cart position detection RFID read/write head and the trolley position detection RFID read/write head through the RFID controller.
9. The position recognition system of a crane according to claim 8, wherein the RFID controller is connected to the cart position detection RFID read/write head and the cart position detection RFID read/write head through communication cables, respectively, for reading the detection data of the cart position detection RFID read/write head and the cart position detection RFID read/write head through network communication.
CN202121622607.5U 2021-07-16 2021-07-16 Position identification system of crane Active CN215558468U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121622607.5U CN215558468U (en) 2021-07-16 2021-07-16 Position identification system of crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121622607.5U CN215558468U (en) 2021-07-16 2021-07-16 Position identification system of crane

Publications (1)

Publication Number Publication Date
CN215558468U true CN215558468U (en) 2022-01-18

Family

ID=79826265

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121622607.5U Active CN215558468U (en) 2021-07-16 2021-07-16 Position identification system of crane

Country Status (1)

Country Link
CN (1) CN215558468U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113401800A (en) * 2021-07-16 2021-09-17 大连华锐重工起重机有限公司 Position identification system and method of crane

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113401800A (en) * 2021-07-16 2021-09-17 大连华锐重工起重机有限公司 Position identification system and method of crane

Similar Documents

Publication Publication Date Title
US10279477B2 (en) Automated smart book inventory and shelving robot based on RFID technology
US20050200457A1 (en) Inventory transport device with integrated RFID reader
US8326451B2 (en) Inventory control and method
TW565802B (en) Object tracking and management system and method using radio-frequency identification tags
US8587455B2 (en) Localisation of vehicle or mobile objects based on embedded RFID tags
CN215558468U (en) Position identification system of crane
CN109236107A (en) A kind of control method of automatically-controlled door, device, system and storage medium
CN105152024B (en) A kind of traveling crane positioning system based on Gray code technology
CN208059937U (en) AGV trolley abnormality alarm sets
CN102902990A (en) Driving positioning device and driving positioning method based on radio frequency identification technology
CN103886442A (en) Supermarket goods returning system and method based on RFID
CN106446746A (en) Space searching navigation system based on RFID
CN108646762A (en) Fire-fighting control method, device, server and the storage medium of robot
CN113401800A (en) Position identification system and method of crane
US20210247770A1 (en) Automating control of an industrial vehicle
CN115335196A (en) Robot control system, robot control method and wireless calling device
US20180174215A1 (en) Shopping Cart with Assistance Unit
CN105319531A (en) Indoor robot positioning system
KR20200069554A (en) Wireless lead sensor and cableless cart management system
CN204576748U (en) Based on the harbour handling operating personnel safety pre-warning system of radio-frequency (RF) identification
CN211857529U (en) Express delivery warehouse management system
CN202854845U (en) Traveling crane positioning and tracking device
CN104794853A (en) Harbor loading and unloading operation personnel safety prewarning system and method based on radio frequency identification
CN112919369A (en) A handling device for storing in a warehouse AGV car
CN212906339U (en) RFID remote mobile asset checking vehicle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant