CN206219018U - Large-tonnage erection crane test of bearing capacity device - Google Patents
Large-tonnage erection crane test of bearing capacity device Download PDFInfo
- 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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- China
- Prior art keywords
- stress
- value
- collection
- side controller
- bearing capacity
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- 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.)
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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
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.
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) |
-
2016
- 2016-12-02 CN CN201621331358.3U patent/CN206219018U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
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 |