CN104849077A - Windproof sliding simulation system for crane under circumstance of deviation of center of gravity - Google Patents
Windproof sliding simulation system for crane under circumstance of deviation of center of gravity Download PDFInfo
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- CN104849077A CN104849077A CN201510154316.0A CN201510154316A CN104849077A CN 104849077 A CN104849077 A CN 104849077A CN 201510154316 A CN201510154316 A CN 201510154316A CN 104849077 A CN104849077 A CN 104849077A
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- 238000004088 simulation Methods 0.000 title claims abstract description 26
- 230000005484 gravity Effects 0.000 title claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 45
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
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Abstract
The invention relates to a windproof sliding simulation system for a crane under a circumstance of a deviation of the center of gravity. The system includes two parallel tracks and a test trolley, two of four rollers that the test trolley is provided with are arranged on one of the two tracks, the other two rollers are arranged on the other track, the system also includes an elastic traction device, an interval of the two tracks is adjustable, a carrying platform arranged at the upper part of the test trolley is provided with a telescopic structure in a width direction, a plurality of balancing weight fixing seats are arranged on the carrying platform, and braking devices are arranged on the rollers. Weight is added to a vertical direction of the test trolley by adoption of the balancing weights, and a load of the crane is simulated, compared with adoption of an oil cylinder in the vertical direction to perform pressurization, the structure is simplified, and movement of the test trolley is not excessively restricted; flexible tractive force is applied to the test trolley by adoption of traction chains; and the structure of the guide rails with an adjustable relative interval and the telescopic carrying platform enables the test trolley to simulate brake performance, overturn tendency and the like of portal cranes of different widths.
Description
Technical field
The present invention relates to a kind of wind resistance simulating test device, particularly relate to windproof slip simulation system in a kind of crane deviation of gravity center situation.
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, provide that a kind of structure simplifies, windproof slip simulation system in the higher crane deviation of gravity center situation of analogue simulation degree.
For achieving the above object, the technical solution used in the present invention is: windproof slip simulation system in a kind of crane deviation of gravity center situation, comprise: two parallel tracks and test chassis, the four rolling that described test chassis is provided with respectively is arranged on two described tracks between two, it is characterized in that, also comprise elastic traction device, article two, the adjustable interval of described track, the carrying platform that described test chassis top is provided with is provided with stretching structure at Width, described carrying platform is provided with several balancing weight holders, and described roller is provided with clamping device.
In a preferred embodiment of the present invention, can be fixedly installed balancing weight in described balancing weight holder, described in several, balancing weight holder is evenly distributed on carrying platform.
In a preferred embodiment of the present invention, described elastic traction device is positioned at the front of described test chassis direction of motion, 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, 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 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, described clamping device is that wind-proof iron wedge detent is or/and rim brake.
In a preferred embodiment of the present invention, described track head and the tail two ends are equipped with the arcuate structure be upturned.
In a preferred embodiment of the present invention, described track installation is in the rail groove on ground, and described ground is provided with some parallel rail grooves.
The invention solves the defect existed in background technology, the present invention adopts the pattern of balancing weight to gain in weight to test chassis vertical direction, the lifting loads of simulation crane, oil cylinder pressurization is adopted compared to vertical direction, structure is greatly simplified, and the motion simultaneously testing chassis also can not be subject to too much restriction; Adopt the pattern of conduction chain can apply tractive force flexibly to test chassis, as uninterrupted traction, long distance traction, draws under dynamic condition, and the size of tractive force also can dynamic conditioning at any time; Two guide rails that can adjust relative spacing and the structure that the carrying platform that width can stretch is formed jointly make to test chassis can simulate the trestle crane of different fabric width braking ability, topple and be inclined to.
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;
Fig. 2 is the side view of the track of the preferred embodiments of the present invention;
In figure: 1, test chassis, 2, track, 3, roller, 4, balancing weight, 5, tractor, 6, conduction chain, 7, pulling force sensor, 8, carrying platform, 9, stretching structure, 10, arcuate structure.
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 depicted in figs. 1 and 2, windproof slip simulation system in a kind of crane deviation of gravity center situation, comprise: two parallel tracks 2 and test chassis 1, the four rolling 3 that test chassis 1 is provided with respectively is arranged on two tracks 2 between two, also comprise elastic traction device, the adjustable interval of two tracks 2, the carrying platform 8 that test chassis 1 top is provided with is provided with stretching structure 9 at Width, carrying platform 8 is provided with several balancing weight 4 holders, and roller 3 is provided with clamping device.Four rolling 3 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.
Adopt the pattern of balancing weight 4 to gain in weight to test chassis 1 vertical direction, the lifting loads of simulation crane, adopt oil cylinder pressurization compared to vertical direction, structure is greatly simplified, the motion simultaneously testing chassis 1 also can not be subject to too much restriction; Adopt the pattern of conduction chain 6 can apply tractive force flexibly to test chassis 1, as uninterrupted traction, long distance traction, draws under dynamic condition, and the size of tractive force also can dynamic conditioning at any time; Two guide rails that can adjust relative spacing and the structure that the carrying platform 8 that width can stretch is formed jointly make to test chassis 1 can simulate the trestle crane of different fabric width braking ability, topple and be inclined to.
Can be fixedly installed balancing weight 4 in balancing weight 4 holder, several balancing weight 4 holders are evenly distributed on carrying platform 8.Balancing weight 4 general assembly (TW) can simulate the weight sum of crane and crane load, and how many adjustment of balancing weight 4 can simulate the change of crane load weight.Balancing weight 4 holder of diverse location is by the arrangement of balancing weight 4 in each position, the gravity center shift of simulation crane, like this under certain movement velocity condition and brake hard condition Imitating topple effect, derailing effect and braking effect just better, the brake pressure wherein easily causing the roller 3 on a siding track 2 to bear under gravity eccentricity condition is larger.
Elastic traction device is positioned at the front of test chassis 1 direction of motion, and 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 3 adopt the damping force of otherness can be proposed targetedly.
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.
Conduction chain 6 is provided with pulling force sensor 7.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.
Pulling force sensor 7 can set specified value of thrust, and 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, and fluctuation area is less than 5% of test chassis 1 weight.
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.
Clamping device is that wind-proof iron wedge detent is or/and rim brake, the roller 3 of diverse location can install different clamping device, under test chassis 1 is in different stress conditions and under different positions and velocity conditions, the braking effect of various clamping device and each roller 3 and the braking effect of entirety and braking time timeliness all can be simulated, simultaneously by above-mentioned comprehensive simulation, the synthetical restraint scheme of crane under different condition can be provided.
Track 2 head and the tail two ends are equipped with the arcuate structure 10 be upturned, and this kind of structure can prevent in test process, because test chassis 1 is drawn to the outside of track 2 end, in one-tenth derailment accident by too fast travelling speed or excessive tractive force.
In the surface-based rail groove of track 2, ground is provided with some parallel rail grooves, and this kind of technical scheme can help the spacing between adjustment two tracks 2.
Four rolling 3 is equipped with wheel pressure sensor, each roller 3 effectively can be recorded under various test condition by observing the pressure value reading wheel pressure sensor, stress value between roller 3 and track 2, by in certain situation of comparison, the wheel load situation of synchronization four rolling 3, judges topple tendency and risk of toppling.
Test macro also comprises being arranged on chooses Gao Zhu on test chassis 1 on carrying platform 8, choose on high post and can be fixedly installed several balancing weights 4 at vertical direction, balancing weight 4 is arranged at vertical direction, weight branch on simulation crane vertical direction, like this under certain movement velocity condition and brake hard condition Imitating effect of toppling just better.
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 (9)
1. windproof slip simulation system in a crane deviation of gravity center situation, comprise: two parallel tracks and test chassis, the four rolling that described test chassis is provided with respectively is arranged on two described tracks between two, it is characterized in that, also comprise elastic traction device, the adjustable interval of two described tracks, the carrying platform that described test chassis top is provided with is provided with stretching structure at Width, described carrying platform is provided with several balancing weight holders, and described roller is provided with clamping device.
2. windproof slip simulation system in crane deviation of gravity center situation according to claim 1, is characterized in that: can be fixedly installed balancing weight in described balancing weight holder, described in several, balancing weight holder is evenly distributed on carrying platform.
3. windproof slip simulation system in crane deviation of gravity center situation according to claim 2, it is characterized in that: described elastic traction device is positioned at the front of described test chassis direction of motion, 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.
4. windproof slip simulation system in crane deviation of gravity center situation according to claim 3, is characterized in that: the pulling motion direction of described tractor and described parallel track or journey 0-90 ° of angle.
5. windproof slip simulation system in crane deviation of gravity center situation according to claim 3, is characterized in that: described conduction chain is provided with pulling force sensor.
6. windproof slip simulation system in the crane deviation of gravity center situation according to claim 3 or 5, is characterized in that: described conduction chain is elastic threads or spring.
7. windproof slip simulation system in crane deviation of gravity center situation according to claim 1, is characterized in that: described clamping device is that wind-proof iron wedge detent is or/and rim brake.
8. windproof slip simulation system in crane deviation of gravity center situation according to claim 1, is characterized in that: described track head and the tail two ends are equipped with the arcuate structure be upturned.
9. windproof slip simulation system in crane deviation of gravity center situation according to claim 1, is characterized in that: described track installation is in the rail groove on ground, and described ground is provided with some parallel rail grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510154316.0A CN104849077A (en) | 2015-04-02 | 2015-04-02 | Windproof sliding simulation system for crane under circumstance of deviation of center of gravity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510154316.0A CN104849077A (en) | 2015-04-02 | 2015-04-02 | Windproof sliding simulation system for crane under circumstance of deviation of center of gravity |
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| CN201510154316.0A Pending CN104849077A (en) | 2015-04-02 | 2015-04-02 | Windproof sliding simulation system for crane under circumstance of deviation of center of gravity |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357901A (en) * | 2018-12-12 | 2019-02-19 | 江苏省特种设备安全监督检验研究院 | Multibody Dynamics Analysis System for Crane Anti-wind and Anti-skid |
| CN109443818A (en) * | 2018-12-12 | 2019-03-08 | 江苏省特种设备安全监督检验研究院 | Crane wind resistance simulator and analysis method |
| CN118419830A (en) * | 2024-07-05 | 2024-08-02 | 山东七运集团有限公司 | Protective type aerial work platform with vibration reduction and transverse overturn prevention and telescoping functions |
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|---|---|---|---|---|
| EP0643290A1 (en) * | 1993-09-10 | 1995-03-15 | Helmut Dipl.-Ing. Sudhop | Device for checking, monitoring and control of mechanical brakes |
| WO2004099056A2 (en) * | 2003-05-05 | 2004-11-18 | Waagner-Biro Germany Stage Systems Gmbh | Cable winch |
| CN101576434A (en) * | 2009-06-05 | 2009-11-11 | 中国海洋石油总公司 | Device for simulating pre-tensioning of compression-type fender |
| CN201538647U (en) * | 2009-07-08 | 2010-08-04 | 南京德比科技有限公司 | Anti-wind protective device |
| CN102620923A (en) * | 2012-04-11 | 2012-08-01 | 上海市特种设备监督检验技术研究院 | Indoor test detector for wind-resistant anti-slip brake of port crane |
| 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 CN201510154316.0A patent/CN104849077A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0643290A1 (en) * | 1993-09-10 | 1995-03-15 | Helmut Dipl.-Ing. Sudhop | Device for checking, monitoring and control of mechanical brakes |
| WO2004099056A2 (en) * | 2003-05-05 | 2004-11-18 | Waagner-Biro Germany Stage Systems Gmbh | Cable winch |
| CN101576434A (en) * | 2009-06-05 | 2009-11-11 | 中国海洋石油总公司 | Device for simulating pre-tensioning of compression-type fender |
| CN201538647U (en) * | 2009-07-08 | 2010-08-04 | 南京德比科技有限公司 | Anti-wind protective device |
| CN102620923A (en) * | 2012-04-11 | 2012-08-01 | 上海市特种设备监督检验技术研究院 | Indoor test detector for wind-resistant anti-slip brake of port crane |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357901A (en) * | 2018-12-12 | 2019-02-19 | 江苏省特种设备安全监督检验研究院 | Multibody Dynamics Analysis System for Crane Anti-wind and Anti-skid |
| CN109443818A (en) * | 2018-12-12 | 2019-03-08 | 江苏省特种设备安全监督检验研究院 | Crane wind resistance simulator and analysis method |
| CN118419830A (en) * | 2024-07-05 | 2024-08-02 | 山东七运集团有限公司 | Protective type aerial work platform with vibration reduction and transverse overturn prevention and telescoping functions |
| CN118419830B (en) * | 2024-07-05 | 2024-10-22 | 山东七运集团有限公司 | Protective type aerial work platform with vibration reduction and transverse overturn prevention and telescoping functions |
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Application publication date: 20150819 |
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