CN104849015A - Wind resistance and overturn prevention simulation test system for crane - Google Patents
Wind resistance and overturn prevention simulation test system for crane Download PDFInfo
- Publication number
- CN104849015A CN104849015A CN201510154276.XA CN201510154276A CN104849015A CN 104849015 A CN104849015 A CN 104849015A CN 201510154276 A CN201510154276 A CN 201510154276A CN 104849015 A CN104849015 A CN 104849015A
- Authority
- CN
- China
- Prior art keywords
- overturn
- wind resistance
- crane
- testing system
- simulated testing
- Prior art date
- 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.)
- Pending
Links
Landscapes
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention relates o a wind resistance and overturn prevention simulation test system for a crane. 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 which is detachably connected to a raising column on the upper side of the test trolley, 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 hoisting 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, such as continuous and uninterrupted traction, long-distance traction and traction under dynamic conditions, and the magnitude of the tractive force can also be dynamically adjusted at any time; and the arrangement of the raising column simulates the height of a gantry crane, traction is performed in different positions in the vertical direction, an overturn state can be simulated and overturn risks can be tested.
Description
Technical field
The present invention relates to a kind of wind resistance simulating test device, particularly relate to a kind of crane wind resistance overturn-preventing simulated testing system.
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 crane wind resistance overturn-preventing simulated testing system 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 crane wind resistance overturn-preventing simulated testing system, 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, described elastic traction device is dismountable to be connected to and to choose Gao Zhu above described test chassis, and described roller is provided with clamping device.
In a preferred embodiment of the present invention, described in choose on high post and can be fixedly installed several balancing weights at vertical direction.
In a preferred embodiment of the present invention, described elastic traction device is provided with tractor, described tractor is connected with some conduction chains, described conduction chain one end is dismountable be connected to described in choose on high post.
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 in choose high column bottom and be fixed in the holder on described test chassis top, described test chassis is provided with several holders.
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, four rolling is equipped with wheel pressure sensor.
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; Choose the height that simulation gantry crane is set of Gao Zhu, all draw at vertical direction diverse location, the state of toppling and test can be simulated and to topple risk.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the perspective view of a preferred embodiment of the present invention;
Fig. 2 is the three-dimensional structure diagram of another kind of preferred embodiment of the present invention;
Fig. 3 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, choose Gao Zhu, 9, holder, 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 shown in Figure 1, Figure 2, Figure 3 shows, a kind of crane wind resistance overturn-preventing simulated testing system, 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, elastic traction device is dismountable to be connected to and to choose high post 8 above test chassis 1, 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.Choose high post 8 and simulate effective front face area part that crane moved by wind, namely elastic traction device is adopted to draw heightening post, 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; Choose the height that simulation gantry crane is set of high post 8, all draw at vertical direction diverse location, the state of toppling and test can be simulated and to topple risk.
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.
Choose on high post 8 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.
Elastic traction device is provided with tractor 5, tractor 5 is connected with some conduction chains 6, dismountable being connected in conduction chain 6 one end is chosen on high post 8, be separated into different wind sections amass choosing high post 8 in the vertical direction, each wind section amasss all simulates the stressing conditions of corresponding crane on this height front face area, amass to each wind section test all windward stressed like this and add survey, how can detect topples is inclined to.
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, 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.
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.
Choose to be fixed on test chassis 1 top bottom high post 8 holder 9 in, test chassis 1 is provided with several holders 9, the position of high post 8 on test chassis 1 is chosen in such change, namely the situation of change of crane center of gravity under loading condition can be simulated, also the drift condition that crane is subject to wind-force can be simulated, can topple tendency and the braking condition of more objective comprehensive simulation crane under various wind direction condition.
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.
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 cylinder thrust device, the push rod that cylinder thrust device is provided with can test chassis 1 by pushing tow, pushing tow place is positioned at the rear of test chassis 1 direction of motion, push rod is not connected with test chassis 1, like this after releasing test chassis 1 instantaneously, cylinder thrust device can depart from be connected contact relation with test chassis 1 smoothly, and cylinder thrust device for testing startup thrust-velocity when chassis 1 provides starting, also can provide simulation wind-force in static brake aptitude tests.
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 (10)
1. a crane wind resistance overturn-preventing simulated testing system, 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, described elastic traction device is dismountable to be connected to and to choose Gao Zhu above described test chassis, and described roller is provided with clamping device.
2. crane wind resistance overturn-preventing simulated testing system according to claim 1, is characterized in that: described in choose on high post and can be fixedly installed several balancing weights at vertical direction.
3. crane wind resistance overturn-preventing simulated testing system according to claim 2, 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 be connected to described in choose on high post.
4. crane wind resistance overturn-preventing simulated testing system 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. crane wind resistance overturn-preventing simulated testing system according to claim 3, is characterized in that: described conduction chain is provided with pulling force sensor.
6. the crane wind resistance overturn-preventing simulated testing system according to claim 3 or 5, is characterized in that: described conduction chain is elastic threads or spring.
7. crane wind resistance overturn-preventing simulated testing system according to claim 1, is characterized in that: described in choose high column bottom and be fixed in the holder on described test chassis top, described test chassis is provided with several holders.
8. crane wind resistance overturn-preventing simulated testing system according to claim 1, is characterized in that: described clamping device is that wind-proof iron wedge detent is or/and rim brake.
9. crane wind resistance overturn-preventing simulated testing system according to claim 1, is characterized in that: described track head and the tail two ends are equipped with the arcuate structure be upturned.
10. crane wind resistance overturn-preventing simulated testing system according to claim 1, is characterized in that: four rolling is equipped with wheel pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510154276.XA CN104849015A (en) | 2015-04-02 | 2015-04-02 | Wind resistance and overturn prevention simulation test system for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510154276.XA CN104849015A (en) | 2015-04-02 | 2015-04-02 | Wind resistance and overturn prevention simulation test system for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104849015A true CN104849015A (en) | 2015-08-19 |
Family
ID=53848829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510154276.XA Pending CN104849015A (en) | 2015-04-02 | 2015-04-02 | Wind resistance and overturn prevention simulation test system for crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104849015A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342007A (en) * | 2018-11-05 | 2019-02-15 | 广州双余智能科技有限公司 | A kind of crane capability of anti-wind detection system and method |
| CN109406188A (en) * | 2018-12-12 | 2019-03-01 | 江苏省特种设备安全监督检验研究院 | Crane wind resistance non-skid property simulation system |
| 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 |
| CN110286041A (en) * | 2019-06-13 | 2019-09-27 | 广州港集团有限公司 | A kind of large size bank equipment capability of anti-wind detection device and method |
| CN117249968A (en) * | 2023-11-20 | 2023-12-19 | 南通腾革建筑机械设备有限公司 | Crane windproof detection system and windproof detection device |
Citations (7)
| 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 |
| CN2749866Y (en) * | 2004-06-22 | 2006-01-04 | 江苏能建机电实业有限公司 | Multi-unit special drum winch |
| CN101362454A (en) * | 2008-06-05 | 2009-02-11 | 曾灵参 | Safety monitoring method of vehicle overturn |
| CN101526438A (en) * | 2009-04-03 | 2009-09-09 | 哈尔滨工程大学 | Closed mast strength measurement method and special measurement device |
| CN201390598Y (en) * | 2009-04-15 | 2010-01-27 | 无锡大力起重机械有限公司 | Wind-resistance locking device of crane |
| 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 |
-
2015
- 2015-04-02 CN CN201510154276.XA patent/CN104849015A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2749866Y (en) * | 2004-06-22 | 2006-01-04 | 江苏能建机电实业有限公司 | Multi-unit special drum winch |
| 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 |
| CN101362454A (en) * | 2008-06-05 | 2009-02-11 | 曾灵参 | Safety monitoring method of vehicle overturn |
| CN101526438A (en) * | 2009-04-03 | 2009-09-09 | 哈尔滨工程大学 | Closed mast strength measurement method and special measurement device |
| CN201390598Y (en) * | 2009-04-15 | 2010-01-27 | 无锡大力起重机械有限公司 | Wind-resistance locking device of crane |
| 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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342007A (en) * | 2018-11-05 | 2019-02-15 | 广州双余智能科技有限公司 | A kind of crane capability of anti-wind detection system and method |
| CN109406188A (en) * | 2018-12-12 | 2019-03-01 | 江苏省特种设备安全监督检验研究院 | Crane wind resistance non-skid property simulation system |
| 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 |
| CN110286041A (en) * | 2019-06-13 | 2019-09-27 | 广州港集团有限公司 | A kind of large size bank equipment capability of anti-wind detection device and method |
| CN110286041B (en) * | 2019-06-13 | 2024-05-14 | 广州港集团有限公司 | Device and method for detecting wind-proof capacity of large-scale shore equipment |
| CN117249968A (en) * | 2023-11-20 | 2023-12-19 | 南通腾革建筑机械设备有限公司 | Crane windproof detection system and windproof detection device |
| CN117249968B (en) * | 2023-11-20 | 2024-02-27 | 南通腾革建筑机械设备有限公司 | Crane windproof detection system and windproof detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104849076A (en) | Wind resistance and skid resistance test system for crane | |
| CN104849015A (en) | Wind resistance and overturn prevention simulation test system for crane | |
| CN103604619B (en) | Frame-type catapult-assisted take-off carrier-borne aircraft nose-gear slow test charger | |
| CN106226107B (en) | The windproof anti-slide performance testing inspection platform of crane | |
| CN104228880B (en) | Freight train is derailed real-time stably stop control method | |
| CN103466097A (en) | Recovery mechanism for small-scale unmanned aerial vehicle | |
| CN104215530A (en) | Drop hammer type horizontal and vertical impact test device | |
| CN107860662A (en) | A kind of large-sized deep water master passively combines wave compensating device total system shore-front-trials method | |
| CN104849077A (en) | Windproof sliding simulation system for crane under circumstance of deviation of center of gravity | |
| CN104860221B (en) | Crane wind-resisting sliding retarding braking analogue means | |
| CN104880331A (en) | Crane wind load simulation test use method | |
| CN204064826U (en) | A kind of level of aggregation and vertical impact test apparatus | |
| CN208751888U (en) | A kind of stabilizing test device of rail vehicle truck | |
| CN104122023A (en) | Bridge expansion joint bump impact testing device | |
| CN104819819A (en) | Wind power simulation apparatus for crane wind-resistant antiskid testboard vehicle | |
| CN109443818A (en) | Crane wind resistance simulator and analysis method | |
| CN205157217U (en) | Test device in indoor simulation hoist anti -wind non -skid property | |
| CN104880293A (en) | Crane wind load modeling method | |
| CN209182040U (en) | A kind of suspension type single track car body strength test device | |
| CN203965125U (en) | A kind of locomotive bridge system wind tunnel test Vehicular brake device based on Stroke Control | |
| CN111115455B (en) | Simulation test method for dangerous working conditions of gantry crane | |
| CN207331451U (en) | A kind of stent easy to bridge machinery | |
| CN103063348A (en) | Testing device of traction force and braking force of track locomotive | |
| CN203939512U (en) | Hydraulic support entrucking tuningout platform | |
| CN208983003U (en) | The full underground LNG storage tank of ejection device is risen equipped with top air inlet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150819 |
|
| RJ01 | Rejection of invention patent application after publication |