CN104819819A - Wind power simulation apparatus for crane wind-resistant antiskid testboard vehicle - Google Patents
Wind power simulation apparatus for crane wind-resistant antiskid testboard vehicle Download PDFInfo
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- CN104819819A CN104819819A CN201510154265.1A CN201510154265A CN104819819A CN 104819819 A CN104819819 A CN 104819819A CN 201510154265 A CN201510154265 A CN 201510154265A CN 104819819 A CN104819819 A CN 104819819A
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- wind
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- crane
- tractor
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Abstract
The invention relates to a wind power simulation apparatus for a crane wind-resistant antiskid testboard vehicle. The testboard vehicle is arranged on tracks. The simulation apparatus comprises an elastic draw gear arranged in front of the motion direction of the testboard vehicle and is characterized in that the elastic draw gear is provided with a tractor, the tractor is provided with a plurality of traction chains, and one end portion of each traction chain is detachably connected with the testboard vehicle. According to the invention, a flexible tractive force can be applied to the testboard vehicle by use of a traction chain mode, such as continuous uninterrupted traction, long-distance traction and traction under dynamic conditions, and the size of the tractive force can also be dynamically adjusted at any time; at the same time, tension sensors can accurately control the traction speed of the tractor, i.e., control the tractive force of the tractor on the testboard vehicle, and the traction speed can be controlled within a quite small floating scope; and the structure of a height column can help to more accurately simulate the blowing force of wind power on each part of a crane.
Description
Technical field
The present invention relates to a kind of wind resistance simulating test device, particularly relate to a kind of wind-force analogue means for the anti-skidding test chassis of crane wind resistance.
Background technology
Flourish along with harbour handling forwarding business, large-scale port machine equipment plays more and more important effect in the modern production of harbour.But because its structure is tall and big, front face area is comparatively large, therefore is easy to when typhoon or sudden fitful wind occur the attack suffering wind-force, so the windproof work of the big machinery of sea port dock, has very important effect for production safety.Large-scale Logistics Equipment-the hoisting machinery worked in the open all requires to be provided with suitable wind resistance slippage prevention device, to avoid, when the fitful wind being subject to typhoon and burst attacks, causing great personal injury and property loss accident.The wind resistance skid resistance of main equipment derives from the performance of adopted wind resistance slippage prevention device.User is when adopting wind resistance slippage prevention device, except also correctly installing according to device class and specification reasonable selection, whether test wind resistance slippage prevention device performance reaches design objective seems particularly important, because the reliability of wind-proof device is the deciding factor of wind resistance safety.
In trestle crane and gantry crane, the anti-skidding and wind resistance Overthrow preventing device of wind resistance and simulation test become during rubber tyre gantry crane design uses the process had to pass through.
Therefore the hoisting machinery wind-proof device reliability software and hardware checking system of set of system, intellectuality, facilitation is researched and developed, the wind resistance data of outdoor crane are gathered for in-site modeling, pass through achievement in research, and then judge the wind loading rating of hoisting machinery, quantitatively check the wind loading rating of hoisting machinery whether qualified on the spot, determine the degree of reliability of wind-proof device, thus effectively contain the generation of the unfavorable accident of wind resistance, reduce economic loss, improve personal security, therefore this research project has huge Social benefit and economic benefit.
Patent name is: the patent of invention of the shop experiment pick-up unit of portal crane wind resistance servo stabiliser, ZL201210104398.4, disclose technical scheme and adopt vertical loading oil cylinder, cause detection limitation of movement, structure also therefore complex, simultaneously horizontal thrust oil cylinder to the propelling movement dynamics of basic platform and length and the duration all limited, can not do complex detection particularly high-speed cruising detect.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, the wind-force analogue means for the anti-skidding test chassis of crane wind resistance that a kind of structure simplifies, analogue simulation degree is higher is provided.
For achieving the above object, the technical solution used in the present invention is: a kind of wind-force analogue means for the anti-skidding test chassis of crane wind resistance, described test chassis is arranged on track, described analogue means comprises: the elastic traction device being arranged on described test chassis direction of motion front, it is characterized in that, described elastic traction device is provided with tractor, described tractor is connected with some conduction chains, and described conduction chain one end is dismountable to be connected on described test chassis.
In a preferred embodiment of the present invention, described conduction chain is provided with pulling force sensor.
In a preferred embodiment of the present invention, described conduction chain is elastic threads or spring.
In a preferred embodiment of the present invention, the pulling motion direction of described tractor and described parallel track or journey 0-90 ° of angle.
In a preferred embodiment of the present invention, described test chassis is provided with chooses Gao Zhu, chooses on high post described in the end of some conduction chains is arranged according to vertical direction one word.
In a preferred embodiment of the present invention, described test chassis is provided with chooses Gao Zhu, chooses on high post described in the end of some conduction chains is arranged according to horizontal direction one word.
In a preferred embodiment of the present invention, described test chassis is provided with chooses Gao Zhu, chooses on high post described in the end of some conduction chains is arranged according to matrix structure.
In a preferred embodiment of the present invention, described pulling force sensor can set specified value of thrust, during test, the actual tractive force numerical values recited of described tractor to described conduction chain fluctuates around described specified value of thrust all the time, and fluctuation area is less than 5% of test board car weight amount.
The invention solves the defect existed in background technology, the present invention adopts the pattern of conduction chain can apply tractive force flexibly to test chassis, as uninterrupted traction, and long distance traction, draw under dynamic condition, the size of tractive force also can dynamic conditioning at any time; Simultaneously pulling force sensor accurately can control the haulage speed of tractor, namely controls the tractive force of tractor to test chassis, and can control within the scope of comparatively moderate fluctuation; The structure of choosing Gao Zhu can be simulated wind-force more accurately and blow power for each position of crane.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the perspective view of the preferred embodiments of the present invention;
In figure: 1, test chassis, 2, track, 5, tractor, 6, conduction chain, 7, pulling force sensor, 8, choose Gao Zhu.
Embodiment
The present invention is further detailed explanation in conjunction with the accompanying drawings and embodiments now, and these accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Figure 1, a kind of wind-force analogue means for the anti-skidding test chassis 1 of crane wind resistance, test chassis 1 is arranged on track 2, analogue means comprises: the elastic traction device being arranged on test chassis 1 direction of motion front, elastic traction device is provided with tractor 5, tractor 5 is connected with some conduction chains 6, conduction chain 6 one end is dismountable to be connected on test chassis 1.
Article two, parallel track 2 and test chassis 1, the four rolling that is provided with of test chassis 1 is respectively arranged on two tracks 2 between two, and what test chassis 1 top was provided with that carrying platform can fix arranges several balancing weights, and roller is provided with clamping device.Four rolling is separately positioned on two parallel tracks 2, simulation crane form structure, under elastic traction unit simulation different weather condition, wind-force effect is to the combined action power of crane.Effective front face area part that crane is moved by wind, namely carrying out corresponding to elastic traction setting position is adopted to draw, the wind conditions that effective front face area of simulation crane is subject to, it is pointed out that effective front face area is the crane exposed area perpendicular to track 2.
Conduction chain 6 is provided with pulling force sensor 7, and the wind conditions amassed according to each wind section like this can set different conduction chain 6 inner tensions, tightens according to the conduction chain 6 that the large young pathbreaker of inner tensions of setting is corresponding simultaneously.The elastic performance of conduction chain 6 can provide the tractive force with buffering method, and this kind of power time is comparatively soft on test chassis 1, simultaneously can by the tractive force softening between tractor 5 and test chassis 1.
Conduction chain 6 is elastic threads or spring, like this in dynamic traction process, the difference of the rated drawbar pull size that tractor 5 can set according to actual tractive force and pulling force sensor 7 adjusts haulage speed in time, to ensure that the difference size between actual tractive force and rated drawbar pull keeps within the specific limits.
The pulling motion direction of tractor 5 or journey 0-90 ° angle parallel with track 2, such elastic traction device can simulate overturn-preventing tendency and the braking capacity of crane under different wind direction condition.
The first testing example, test chassis 1 is provided with chooses high post 8, and the end of some conduction chains 6 is arranged according to vertical direction one word chooses on high post 8.
The second testing example, test chassis 1 is provided with chooses high post 8, and the end of some conduction chains 6 is arranged according to horizontal direction one word chooses on high post 8.
The third testing example, test chassis 1 is provided with chooses high post 8, and the end of some conduction chains 6 is arranged according to matrix structure chooses on high post 8.
Above-mentioned three kinds of testing example, comprehensively blow power by simulation different condition apparatus for lower wind to crane.
Pulling force sensor 7 can set specified value of thrust, during test, the actual tractive force numerical values recited of tractor 5 pairs of conduction chains 6 fluctuates around specified value of thrust all the time, fluctuation area is less than 5% of test chassis 1 weight, can ensure the accuracy of the momentum that tractor 5 is accumulated in test chassis 1 distraction procedure like this, test accuracy is higher.
Elastic traction device is dismountable to be connected on test chassis 1, junction is positioned at the front of test chassis 1 direction of motion, elastic traction device is provided with tractor 5, tractor 5 is connected with some conduction chains 6, and conduction chain 6 one end is dismountable to be connected on test chassis 1.Effective front face area of crane is separated into different wind sections amass, each wind section amasss all simulates the corresponding stressing conditions of crane on the front face area of this position, like this test all windward stressed is amassed to each wind section and add survey, the synthetical restraint scheme that all rollers adopt the damping force of otherness can be proposed targetedly.
Above according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, related personnel in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on instructions, must determine technical scope according to right.
Claims (8)
1. the wind-force analogue means for the anti-skidding test chassis of crane wind resistance, described test chassis is arranged on track, described analogue means comprises: the elastic traction device being arranged on described test chassis direction of motion front, it is characterized in that, described elastic traction device is provided with tractor, described tractor is connected with some conduction chains, described conduction chain one end is dismountable to be connected on described test chassis.
2. the wind-force analogue means for the anti-skidding test chassis of crane wind resistance according to claim 1, is characterized in that: described conduction chain is provided with pulling force sensor.
3. the wind-force analogue means for the anti-skidding test chassis of crane wind resistance according to claim 2, is characterized in that: described conduction chain is elastic threads or spring.
4. the wind-force analogue means for the anti-skidding test chassis of crane wind resistance according to claim 2, is characterized in that: the pulling motion direction of described tractor and described parallel track or journey 0-90 ° of angle.
5. the wind-force analogue means for the anti-skidding test chassis of crane wind resistance according to claim 1, is characterized in that: described test chassis is provided with chooses Gao Zhu, chooses on high post described in the end of some conduction chains is arranged according to vertical direction one word.
6. the wind-force analogue means for the anti-skidding test chassis of crane wind resistance according to claim 1, is characterized in that: described test chassis is provided with chooses Gao Zhu, chooses on high post described in the end of some conduction chains is arranged according to horizontal direction one word.
7. the wind-force analogue means for the anti-skidding test chassis of crane wind resistance according to claim 1, is characterized in that: described test chassis is provided with chooses Gao Zhu, chooses on high post described in the end of some conduction chains is arranged according to matrix structure.
8. the wind-force analogue means for the anti-skidding test chassis of crane wind resistance according to claim 2, it is characterized in that: described pulling force sensor can set specified value of thrust, during test, the actual tractive force numerical values recited of described tractor to described conduction chain fluctuates around described specified value of thrust all the time, and fluctuation area is less than 5% of test board car weight amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510154265.1A CN104819819A (en) | 2015-04-02 | 2015-04-02 | Wind power simulation apparatus for crane wind-resistant antiskid testboard vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510154265.1A CN104819819A (en) | 2015-04-02 | 2015-04-02 | Wind power simulation apparatus for crane wind-resistant antiskid testboard vehicle |
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| CN104819819A true CN104819819A (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510154265.1A Pending CN104819819A (en) | 2015-04-02 | 2015-04-02 | Wind power simulation apparatus for crane wind-resistant antiskid testboard vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226107A (en) * | 2016-08-30 | 2016-12-14 | 武汉开锐海洋起重技术有限公司 | Crane Radix Saposhnikoviae anti-slide performance testing inspection platform |
Citations (5)
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|---|---|---|---|---|
| CN1632491A (en) * | 2004-12-28 | 2005-06-29 | 武汉理工大学 | Indoor test and detection device for wind proof safety brake of port crane |
| CN1731142A (en) * | 2005-08-08 | 2006-02-08 | 苏州试验仪器总厂 | Linear acceleration and impact testing machine |
| CN101526438A (en) * | 2009-04-03 | 2009-09-09 | 哈尔滨工程大学 | Closed mast strength measurement method and special measurement device |
| CN201464152U (en) * | 2009-06-08 | 2010-05-12 | 浙江大学 | Thunderstorm downburst multifunction test simulation device |
| CN203965145U (en) * | 2014-07-09 | 2014-11-26 | 辽宁省安全科学研究院 | The capable equipment of test rail of rail-mounted crane protection from the wind testing table and upper use thereof |
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2015
- 2015-04-02 CN CN201510154265.1A patent/CN104819819A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1632491A (en) * | 2004-12-28 | 2005-06-29 | 武汉理工大学 | Indoor test and detection device for wind proof safety brake of port crane |
| CN1731142A (en) * | 2005-08-08 | 2006-02-08 | 苏州试验仪器总厂 | Linear acceleration and impact testing machine |
| CN101526438A (en) * | 2009-04-03 | 2009-09-09 | 哈尔滨工程大学 | Closed mast strength measurement method and special measurement device |
| CN201464152U (en) * | 2009-06-08 | 2010-05-12 | 浙江大学 | Thunderstorm downburst multifunction test simulation device |
| CN203965145U (en) * | 2014-07-09 | 2014-11-26 | 辽宁省安全科学研究院 | The capable equipment of test rail of rail-mounted crane protection from the wind testing table and upper use thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226107A (en) * | 2016-08-30 | 2016-12-14 | 武汉开锐海洋起重技术有限公司 | Crane Radix Saposhnikoviae anti-slide performance testing inspection platform |
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Application publication date: 20150805 |
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