CN206219018U - Large-tonnage erection crane test of bearing capacity device - Google Patents

Large-tonnage erection crane test of bearing capacity device Download PDF

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Publication number
CN206219018U
CN206219018U CN201621331358.3U CN201621331358U CN206219018U CN 206219018 U CN206219018 U CN 206219018U CN 201621331358 U CN201621331358 U CN 201621331358U CN 206219018 U CN206219018 U CN 206219018U
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CN
China
Prior art keywords
stress
value
collection
side controller
bearing capacity
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Expired - Fee Related
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CN201621331358.3U
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Chinese (zh)
Inventor
陈鹏
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Chongqing Water Resources and Electric Engineering College
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Chongqing Water Resources and Electric Engineering College
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Priority to CN201621331358.3U priority Critical patent/CN206219018U/en
Application granted granted Critical
Publication of CN206219018U publication Critical patent/CN206219018U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses large-tonnage erection crane test of bearing capacity device, strain gauge sends multiple distortional stress values to collection side controller, one by one be compared multiple distortional stress values with stress setting value by collection side controller, and side controller is gathered to be compared multiple test point stress average values and stress average set value, if distortional stress value is more than stress setting value, or distortional stress value average value is more than stress average set value, then collection terminal controller output end sends activation bit to alarm and collection terminal display screen by wireless communication module, drive alarm equipment alarm, and drive collection terminal display screen to show distortional stress value.Treatment is compared to the distortional stress value for gathering by gathering side controller, distortional stress value is shown in collection terminal display screen, and by alarm equipment alarm.It is convenient that loop wheel machine bearing capacity multiple position is detected, detection efficiency is improved, the accuracy of loop wheel machine detection data is further increased, reduce the labour intensity of testing staff.

Description

Large-tonnage erection crane test of bearing capacity device
Technical field
The utility model is related to loop wheel machine loading test device design field, especially a kind of large-tonnage erection crane Test of bearing capacity device.
Background technology
, used as the important construction equipment for lifting large-tonnage bridge floor, its structural strength is to loop wheel machine safety for large-tonnage erection crane Using producing serious influence.In order to verify the stress performance of large-tonnage erection crane, it is simulated after erection crane installation Load test, tests the distortional stress of the structural-load-carrying capacity and structural key rod member position of erection crane under load action Value.It is analyzed by measured data, whether the bearing capacity and stiffness for evaluating the erection crane meets engineering construction needs, and with The calculated results are compared.In the prior art, generally use and manually detected using testing equipment, although for every The detection data of individual test point is more accurate;But detection labour intensity is big, and efficiency is low, and cannot more crypto set setting inspection Measuring point, finally causes prohibited data detection really, influences the safety in utilization of loop wheel machine.
Utility model content
For the defect in the presence of above-mentioned background technology, the technical solution of the utility model is as follows:
Large-tonnage erection crane test of bearing capacity device of the present utility model, including:Wireless communication module, collection terminal show Screen, alarm and multiple stress detection devices, each described stress detection device include:Multiple strain gauges and a collection Side controller;Each described strain gauge is arranged at the stress mornitoring of loop wheel machine point, the strain gauge detection stress inspection The distortional stress value of measuring point, obtains multiple distortional stress values;The output end of the strain gauge is defeated with collection side controller Enter end connection, multiple distortional stress values sent to the collection side controller, the output end of the collection side controller with it is described The input connection of wireless communication module, the output end of the wireless communication module respectively with the input of the collection terminal display screen The input connection of end and alarm;Collection side controller multiple distortional stress values for gathering the strain gauge by One is compared with stress setting value, and stress average value and stress at each test point that the strain gauge is gathered Average set value is compared, if distortional stress value is more than stress setting value, or distortional stress value average value is put down more than stress Equal setting value, then collection terminal controller output end is by wireless communication module transmission activation bit to the alarm and collection terminal Display screen, drives alarm equipment alarm, and drive collection terminal display screen to show distortional stress value.
In a kind of implementation method of the utility model, around the setting multiple strain gauge of stress mornitoring point each described, Strain gauge is set to detect the strain of stress mornitoring point and the distortional stress value of amount of deflection.
In a kind of implementation method of the utility model, the stress mornitoring point sets four strain gauges, and adjacent stress is passed It is mutually perpendicular between sensor, the stress mornitoring point is centered around four centers of the strain gauge.
In a kind of implementation method of the utility model, also include:Terminal control unit, the input of the terminal control unit passes through Wireless communication module connects each collection side controller, the output end connection terminal display screen of terminal control unit, terminal control unit The activation bit that record collection side controller sends, shows the carrying of each stress mornitoring point of whole loop wheel machine on terminal display screen Power.
In a kind of implementation method of the utility model, the terminal control unit and terminal display screen are arranged on data processing experiment Room, the terminal control unit will gather information transfer to each data processing server.
In a kind of implementation method of the utility model, the strain gauge is stress section.
In a kind of implementation method of the utility model, the stress section is adhered to stress mornitoring point by bonding way, described Collection side controller is removably attachable to stress mornitoring point.
In a kind of implementation method of the utility model, the collection side controller and terminal control unit are FPGA processor.
Large-tonnage erection crane test of bearing capacity device of the present utility model compared with prior art, its advantage:
Strain gauge is detected to the distortional stress value of test point, answered by gathering deformation of the side controller to gathering Force value is compared treatment, shows distortional stress value in collection terminal display screen and passes through alarm equipment alarm.It is convenient that loop wheel machine is carried Detected that raising detection efficiency further increases the accuracy to loop wheel machine stress mornitoring data, reduces inspection in power multiple position The labour intensity of survey personnel.
Brief description of the drawings
Fig. 1 is the utility model large-tonnage erection crane test of bearing capacity device control flow chart;
For the utility model large-tonnage erection crane test of bearing capacity device, each stress mornitoring point strain gauge sets Fig. 2 Put schematic diagram;
Wherein, 1, strain gauge, 2, stress mornitoring point.
Specific embodiment
As shown in Figure 1 and Figure 2, a kind of large-tonnage erection crane test of bearing capacity device of the present utility model, in large-tonnage bridge The welding of face loop wheel machine truss structure, bolt connection and the larger easy damaged location of theoretical calculation stress are chosen to be stress mornitoring Point 2, and stress detection device is set in each stress mornitoring point.(the preferably stress of strain gauge 1 of stress detection device Piece) set around stress mornitoring point 2, the distortional stress value of the detection stress mornitoring of strain gauge 1 point 2, obtaining multiple deformations should Force value.The output end connection collection side controller input of strain gauge, gathers output end and the wireless telecommunications of side controller The input connection of module (preferably HGD-GSM wireless communication modules), the output end of wireless communication module respectively with collection terminal The input connection of the input and alarm of display screen.
The distortional stress value of detection is sent to collection side controller by strain gauge, gathers side controller by stress sensing Device collection multiple distortional stress values be compared with stress setting value one by one, and gather side controller by multiple test points should Power average value is compared with stress average set value;If distortional stress value is more than stress setting value, or distortional stress value is put down Average is more than stress average set value, then collection terminal controller output end sends activation bit to alarm by wireless communication module Device and collection terminal display screen, drive alarm equipment alarm, and drive collection terminal display screen to show distortional stress value.
In order to realize that the distortional stress value of each stress mornitoring point all directions is detected, stress mornitoring point is realized Amount of deflection and the distortional stress value of strain are all gathered, around the setting multiple strain gauge 1 of each stress mornitoring point 2.It is excellent Choosing, each stress mornitoring point 2 sets four strain gauges 1, is mutually perpendicular between adjacent strain gauge 1, and stress is examined Measuring point 2 is centered around four centers of strain gauge 1.
In order to carry out unifying comparing to the data that multiple stress detection devices are gathered, loop wheel machine bearing capacity bulk strength is made Test and appraisal.Each collection terminal controller output end connects terminal control unit (preferably FPGA processor) by wireless communication module, And each collection side controller distortional stress value for receiving and the position for gathering side controller are sent to terminal control unit.Eventually Side controller output end connects terminal display screen, and the carrying of each stress mornitoring point 2 of whole loop wheel machine is shown on terminal display screen Power.
Data processing personnel carry out artificial treatment to the gathered data of terminal control unit for convenience;By terminal control unit and Terminal display screen is arranged on data processing laboratory, and the information transfer that terminal control unit is gathered is to each data processing service Device, the convenient multiple data processing personnel division of labor is carried out, and improves the treatment effeciency of detection data.
The installation of strain gauge for convenience, preferably strain gauge are stress section, and by stress section by bonding Mode is adhered to stress mornitoring point;Collection side controller is removably attachable to stress mornitoring point, it is preferred that collection terminal is controlled Device is fixedly connected on loop wheel machine truss structure by stickup or screw.
In use, in each stress mornitoring spot gluing stress section, the output end connection collection terminal of multiple stress sections Controller (preferably FPGA processor), each collection multiple stress section of side controller connection, it is also possible in multiple each other The stress mornitoring point being closely located to connects a collection side controller.By in erection crane force side applying power, stress section inspection Distortional stress is surveyed, and the distortional stress of collection is transferred to collection side controller.Side controller is gathered by multiple distortional stress values It is compared with stress setting value one by one, and gathers side controller and multiple test point stress average values is averagely set with stress Value is compared;If distortional stress value is more than stress setting value, or distortional stress value average value is more than stress average set value, Collection terminal controller output end sends activation bit to alarm and collection terminal display screen by wireless communication module, drives alarm Device is alarmed, and drives collection terminal display screen to show distortional stress value.The information of collection terminal controller output end transmission collection sends To terminal control unit, terminal control unit drives terminal display screen shows the distortional stress value that each collection side controller receives, and Each data processing server is transferred to, facilitates data processing personnel's artificial treatment.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed Or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with the power The protection domain that profit is required is defined.

Claims (8)

1. large-tonnage erection crane test of bearing capacity device, it is characterised in that including:Wireless communication module, collection terminal display screen, Alarm and multiple stress detection devices, each described stress detection device include:Multiple strain gauges and a collection terminal Controller;Each described strain gauge is arranged at the stress mornitoring of loop wheel machine point, and the strain gauge detects stress mornitoring The distortional stress value of point, obtains multiple distortional stress values;The output end of the strain gauge and the input for gathering side controller End connection, multiple distortional stress values, output end and the nothing of the collection side controller are sent to the collection side controller The input connection of line communication module, the output end of the wireless communication module respectively with the input of the collection terminal display screen And the input connection of alarm;Multiple distortional stress values that the collection side controller gathers the strain gauge are one by one It is compared with stress setting value, and the stress average value at each test point of strain gauge collection is put down with stress Equal setting value is compared, if distortional stress value is average more than stress more than stress setting value, or distortional stress value average value Setting value, then collection terminal controller output end is aobvious by wireless communication module transmission activation bit to the alarm and collection terminal Display screen, drives alarm equipment alarm, and drive collection terminal display screen to show distortional stress value.
2. large-tonnage erection crane test of bearing capacity device according to claim 1, it is characterised in that around described in each The setting multiple strain gauge of stress mornitoring point, makes strain gauge detect that the strain of stress mornitoring point and the deformation of amount of deflection are answered Force value.
3. large-tonnage erection crane test of bearing capacity device according to claim 2, it is characterised in that the stress mornitoring Point sets four strain gauges, is mutually perpendicular between adjacent strain gauge, and the stress mornitoring point is centered around into four institutes State the center of strain gauge.
4. the large-tonnage erection crane test of bearing capacity device according to claim 1-3 any one, it is characterised in that also Including:Terminal control unit, the input of the terminal control unit connects each and gathers side controller by wireless communication module, eventually The output end connection terminal display screen of side controller, the activation bit that terminal control unit record collection side controller sends, at end End shows the bearing capacity of each stress mornitoring point of the whole loop wheel machine of screen display.
5. large-tonnage erection crane test of bearing capacity device according to claim 4, it is characterised in that the terminal control Device and terminal display screen are arranged on data processing laboratory, and the terminal control unit will gather information transfer to each data processing Server.
6. large-tonnage erection crane test of bearing capacity device according to claim 5, it is characterised in that the stress sensing Device is stress section.
7. large-tonnage erection crane test of bearing capacity device according to claim 6, it is characterised in that the stress section leads to Cross bonding way and be adhered to stress mornitoring point, the collection side controller is removably attachable to stress mornitoring point.
8. large-tonnage erection crane test of bearing capacity device according to claim 4, it is characterised in that the collection terminal control Device processed and terminal control unit are FPGA processor.
CN201621331358.3U 2016-12-02 2016-12-02 Large-tonnage erection crane test of bearing capacity device Expired - Fee Related CN206219018U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621331358.3U CN206219018U (en) 2016-12-02 2016-12-02 Large-tonnage erection crane test of bearing capacity device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621331358.3U CN206219018U (en) 2016-12-02 2016-12-02 Large-tonnage erection crane test of bearing capacity device

Publications (1)

Publication Number Publication Date
CN206219018U true CN206219018U (en) 2017-06-06

Family

ID=58785563

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621331358.3U Expired - Fee Related CN206219018U (en) 2016-12-02 2016-12-02 Large-tonnage erection crane test of bearing capacity device

Country Status (1)

Country Link
CN (1) CN206219018U (en)

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170606

Termination date: 20181202