CN201961977U - Weight unbalance-loading detection system for container of gantry crane - Google Patents
Weight unbalance-loading detection system for container of gantry crane Download PDFInfo
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- CN201961977U CN201961977U CN201120026676XU CN201120026676U CN201961977U CN 201961977 U CN201961977 U CN 201961977U CN 201120026676X U CN201120026676X U CN 201120026676XU CN 201120026676 U CN201120026676 U CN 201120026676U CN 201961977 U CN201961977 U CN 201961977U
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- container
- detection system
- gantry crane
- force transducer
- weighing mechanism
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Abstract
The utility model relates to a weight unbalance-loading detection system for a container of a gantry crane, which comprises four force cells, a weighing signal acquisition and conversion junction box, a control meter and relevant configured software, wherein the four force cells are designed precisely and are connected with a sling of the crane; and the control meter has multiple channels and good performances. By a synchronization test, the total weight of the container, the offset of the gravity center of the container on a longitudinal central line and a horizontal central line and the comparison judgment of a set value can be displayed and transmitted in real time. The weighing unbalance-loading detection system has the functions of digital display, acousto-optic alarm prompting and automatic data recording and storing, is applicable to detecting the carrying container in a port and a railway, can screen out the container which is overloaded and is over unbalance-loaded so as to ensure the safety of railway transportation, and is convenient for supervising the weight of the container for imports and exports.
Description
Technical field
The utility model relates to special-purpose gauging device, is specifically related to a kind of detecting device of on gantry crane specified value identification, barycentre offset and the specified value thereof of cargotainer weight and weight being judged of being used for.
Background technology
No matter be ocean sea-freight or railway freight, freight container traffic has become the main mode in the goods transport.But in railway transportation, freight container overweight, lay particular stress on, unbalance loading can give to transport safely and bring very big harm.Freight container loading left and right sides unbalance loading can cause vehicle two side wheels unbalanced to bearing load, and Ackermann steer angle easily derails, roll-over accident.Load concentration at one end can cause the vehicle frame unbalance stress when laying particular stress on before and after the freight container loading, causes that frame member cracks.When vehicle passed through vertical curve grade change point or track switch, amplitude became big up and down, wheel can occur and climb accidents such as rail, derailing.In order to ensure the railway security transportation, must surpass unbalance loading to the freight container of freighting and detect.
In importing and exporting transportation services, the pay load of freight container is the main foundation of customs's clearing.Freight container in the circulation process, utilize container handling crane detected set oxed weight in lifting operation be save time most, the labour-saving method.For the freight container of ocean-rail transportation, directly measure the coordinate figure that gravimetric value and unbalance loading lay particular stress at the harbour, can make things convenient for follow-up railway security transportation.Present both at home and abroad overweight, super inclined to one side, the specialized equipment that overloads and detect simultaneously that does not also use to freight container at the container handling crane lifting operation.
Summary of the invention
The purpose of this utility model is to remedy above-mentioned deficiency of the prior art, and a kind of gantry crane Container Weight deviation load detection system is provided.
The technical solution of the utility model is as follows.
A kind of gantry crane Container Weight deviation load detection system, the car rack that moves on gantry crane and the junction of wireline adapter are equipped with Weighing mechanism, one end of described Weighing mechanism is connected in suspension bracket on the freight container by assembly pulley, and the other end of Weighing mechanism is connected in hoist cable on the freight container by assembly pulley; The connection box that the signal that is provided with a pair of Weighing mechanism is collected, changes, transmitted, the connection box two ends are connected with Weighing mechanism respectively; Multi-channel high performance of control instrument is connected with connection box with electric controller.With device in the hoisting crane stack-mounted Weighing mechanism force transducer of high precision C3 level is arranged, the signal of force transducer is transferred to control instrument through connection box; Multi-channel high performance of control instruments and outfit have wireless launcher.
Described force transducer is plate ring type, stretching-compression type or shaft type sensor.
Described force transducer is installed in the connecting portion of crane rope tip side and frame; There is transom at the two ends of force transducer---doubly-linked fishplate bar and single connecting panel; The safety guard-safeguard plate is equipped with in the upper and lower both sides of force transducer.
The utility model is a kind of combination to the detecting device of the judgement of specified value identification, barycentre offset and the specified value thereof of the weight of cargotainer and weight on gantry crane, but synchronism detection demonstrates freight container total weight, the freight container center of gravity side-play amount at longitudinal and transverse line of centers, and with comparison, the judgement of setting value.And give peripheral management system with these information transfer in real time.The utility model is applicable to that harbour, railway detect the acknowledgement of consignment freight container, filters out freight container overweight, super unbalance loading, and is to guarantee safety of railway transportation, convenient to importing and exporting the weight supervision of freight container.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the scheme drawing of Sensor section.
Among the figure: 1, Weighing mechanism, 2, connection box, 3, control instrument; 4, electric controller, 5, force transducer, 6, bearing pin; 7, doubly-linked fishplate bar, 8, single connecting panel, 9, the safety guard-safeguard plate; 10, wireline adapter; 11, freight container, 12, suspension bracket, 13, hoist cable; 14, car rack, 15, wireline adapter.
The specific embodiment
Referring to Fig. 1, a kind of on gantry crane to the detecting device of the judgement of specified value identification, barycentre offset and the specified value thereof of the weight of cargotainer and weight, introduced that an end is connected with suspension bracket 12, the other end connects the Weighing mechanism 1 that hangs hoist cable 13, is used to measure the precise design of hoist cable 13 inner tensions.By detecting the tension force of all hoist cables, calculate the weight and the areal coordinates of institute's survey freight container.This system also comprises weighing-up wave collection, conversion connection box 2, one multi-channel high performance of control instrument 3 and a relative computer software.With installed high-precision force transducer 5 (C3 level) in the hoisting crane stack-mounted Weighing mechanism 1, the signal of force transducer 5 is transferred to control instrument 3 through connection box 2, measure detected freight container 11 respectively and act on power on each force transducer 5, calculate the weight of freight container and areal coordinates X, Y value, i.e. eccentricity value in conjunction with the coordinate data of each fulcrum again.Multi-channel high performance of control instrument 3 is equipped with wireless launcher, by transmission over radio the tension signal of hoist cable 13 is sent to computer system, implements weight and areal coordinates and calculates and follow-up work.
Referring to Fig. 2; with the force transducer 5 that high precision (C3 level) plate ring type or stretching-compression type or shaft type are installed in the hoisting crane stack-mounted Weighing mechanism 1; force transducer 5 is installed in the connecting portion of crane rope tip side and frame; the two ends of force transducer 5 are provided with special-purpose transom; both can be connected with wireline adapter 15 with frame easily, can play protective effect again sensor.
Equipment of the present utility model is installed on the planer-type container handling crane, do not change the keystone configuration and the workflow of hoisting crane, only install a cover force measuring machine (being Weighing mechanism 1), configuration connection box, meter specially and software additional in hoisting crane running trolley frame and steel rope end fitting junction.Numeric display goes out the horizontal coordinate of freight container center of gravity with respect to the freight container geometric centre, the total weight of freight container, and record, transmission or printout; Filter out overload, lay particular stress on, the freight container of unbalance loading.
Running trolley frame 14 on the planer-type container handling crane installs cover (4 a) Weighing mechanism 1 additional with wireline adapter 15 junctions; (or outside operator's compartment) installed a weighing-up wave and collected, changes connection box 2 in the operator's compartment of hoisting crane; Controller 4 with a multichannel high performance of control instrument 3 and relevant configuration.
Its principle of work is as follows: utilize four force transducers 1 to be connected in four steel ropes of hoisting crane, wire rope hanging is put on the shelf at the suspender of freight container 11---suspension bracket 12, suspension bracket 12 is connected with container spreader, and container spreader is hung by hoist cable 13 and freight container 11.The weight of freight container 11 is tested out by four force transducers 5.The signal of force transducer 5 is through connection box 2 control of access instrument 3, and control instrument 3 is with number amplification, the logical process of four sensor letters; Comparison simultaneously is empty suspender is put on the shelf when hanging (no freight container) four jiaos of weight signals, so calculate freight container gross weight and unbalance loading, lay particular stress on coordinate figure; Again these information are shown at last or be transferred to host computer.
Described Weighing mechanism 1 is a force transducer 5 of selecting pinpoint accuracy, high stability for use, and its performance reaches C3 level (GB/T755-2008); One end of force transducer 5 is connected with car rack 14 by bearing pin 6, the other end of force transducer 5 also is connected with doubly-linked fishplate bar 7 by bearing pin 6, other is provided with a single connecting panel 8, and the one end links to each other with doubly-linked fishplate bar 7, and the other end also is connected with steel rope wedge joint 15 by bearing pin 6.Force measuring machine 1 also is provided with the safety guard-safeguard plate 9 of sensor.
Described control instrument 3 is selected high stability, high A/D switching rate, the multichannel class instrument of weighing for use; The instrument output interface is abundant.
Working process: start-up system at first powers up System self-test; Wait for log-in interface occurring after 5 seconds, show " 0 " position until instrument.Hang the freight container vertical-lift, instrument is determined image data in 2～5 seconds, and instrument shows test results and sends sound and light alarm.The craneman continues to finish original work flow.
Characteristics of the present utility model:
(1) do not change freight container lifting job flow process, do not influence original production time.
(2) accurately and rapidly detect the total weight of freight container, the weight difference of this weight and setting weight; The weight unbalance loading position of the longitudinal and transverse line of centers of freight container, the i.e. coordinate figure of the relative freight container geometric centre of freight container center of gravity.
Claims (6)
1. gantry crane Container Weight deviation load detection system, be the car rack (14) that on gantry crane, moves and the junction of wireline adapter is equipped with Weighing mechanism (1), it is characterized in that: an end of described Weighing mechanism (1) is connected in suspension bracket (12) on the freight container (11) by assembly pulley, and the other end of Weighing mechanism (1) is connected in hoist cable (13) on the freight container (11) by assembly pulley; Be provided with the connection box (2) that the signal of a pair of Weighing mechanism (1) is collected, changes, transmitted, the two ends of connection box (2) are connected with Weighing mechanism (1) respectively; Multi-channel high performance of control instrument (3) is connected with connection box (2) with electric controller (4).
2. gantry crane Container Weight deviation load detection system according to claim 1, it is characterized in that: the interior device of described and hoisting crane stack-mounted Weighing mechanism (1) has the force transducer (5) of high precision C3 level, and the signal of force transducer (5) is transferred to control instrument (3) through connection box (2).
3. gantry crane Container Weight deviation load detection system according to claim 2 is characterized in that: described force transducer (5) is plate ring type, stretching-compression type or shaft type sensor.
4. gantry crane Container Weight deviation load detection system according to claim 2 is characterized in that: described force transducer (5) is installed in the connecting portion of crane rope joint (10) end and frame (14); There is transom at the two ends of force transducer (5)---doubly-linked fishplate bar (7) and single connecting panel (8).
5. gantry crane Container Weight deviation load detection system according to claim 2 is characterized in that: safety guard-safeguard plate (9) is equipped with in the upper and lower both sides of described force transducer (5).
6. gantry crane Container Weight deviation load detection system according to claim 1 is characterized in that: described multi-channel high performance of control instrument (3) is equipped with wireless launcher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120026676XU CN201961977U (en) | 2011-01-27 | 2011-01-27 | Weight unbalance-loading detection system for container of gantry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120026676XU CN201961977U (en) | 2011-01-27 | 2011-01-27 | Weight unbalance-loading detection system for container of gantry crane |
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| Publication Number | Publication Date |
|---|---|
| CN201961977U true CN201961977U (en) | 2011-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201120026676XU Expired - Lifetime CN201961977U (en) | 2011-01-27 | 2011-01-27 | Weight unbalance-loading detection system for container of gantry crane |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310609A (en) * | 2013-05-28 | 2013-09-18 | 上海殷浩电子科技股份有限公司 | Wireless receiving device for measuring overload and unbalanced loads |
| CN103832927A (en) * | 2014-02-24 | 2014-06-04 | 润邦卡哥特科工业有限公司 | Load protection system based on proximity sensors and application thereof |
| CN107381355A (en) * | 2017-05-26 | 2017-11-24 | 苏行 | Monitoring system and its loop wheel machine control method and device |
| CN108178069A (en) * | 2018-01-16 | 2018-06-19 | 天津锐敏科技发展有限责任公司 | Container handling operation intelligent early-warning system |
| CN108946483A (en) * | 2018-08-21 | 2018-12-07 | 湖南三港口设备有限公司 | The anti-extension box control method of articulated car and system |
| CN111285255A (en) * | 2020-03-09 | 2020-06-16 | 北京东方威特称重设备***有限公司 | Container hoisting monitoring system and method |
| CN112758834A (en) * | 2021-01-18 | 2021-05-07 | 南通道崎起重机械有限公司 | Safety monitoring and protecting system and method for gantry crane |
-
2011
- 2011-01-27 CN CN201120026676XU patent/CN201961977U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310609A (en) * | 2013-05-28 | 2013-09-18 | 上海殷浩电子科技股份有限公司 | Wireless receiving device for measuring overload and unbalanced loads |
| CN103832927A (en) * | 2014-02-24 | 2014-06-04 | 润邦卡哥特科工业有限公司 | Load protection system based on proximity sensors and application thereof |
| CN107381355A (en) * | 2017-05-26 | 2017-11-24 | 苏行 | Monitoring system and its loop wheel machine control method and device |
| CN107381355B (en) * | 2017-05-26 | 2019-05-03 | 苏行 | Monitoring system and its loop wheel machine control method and device |
| CN108178069A (en) * | 2018-01-16 | 2018-06-19 | 天津锐敏科技发展有限责任公司 | Container handling operation intelligent early-warning system |
| CN108946483A (en) * | 2018-08-21 | 2018-12-07 | 湖南三港口设备有限公司 | The anti-extension box control method of articulated car and system |
| CN111285255A (en) * | 2020-03-09 | 2020-06-16 | 北京东方威特称重设备***有限公司 | Container hoisting monitoring system and method |
| CN112758834A (en) * | 2021-01-18 | 2021-05-07 | 南通道崎起重机械有限公司 | Safety monitoring and protecting system and method for gantry crane |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110907 |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Liu Zhiqi Document name: Notice of termination of patent right |