CN104849076A - Wind resistance and skid resistance test system for crane - Google Patents
Wind resistance and skid resistance test system for crane Download PDFInfo
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- CN104849076A CN104849076A CN201510154299.0A CN201510154299A CN104849076A CN 104849076 A CN104849076 A CN 104849076A CN 201510154299 A CN201510154299 A CN 201510154299A CN 104849076 A CN104849076 A CN 104849076A
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Abstract
The invention relates to a wind resistance and skid resistance 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 and an oil cylinder thrust device, the upper part of the test trolley is provided with a carrying platform capable of being fixedly provided with a plurality of balancing weights, 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; and the oil cylinder thrust device can provide starting thrust speed for the test trolley during starting, and can also provide analog wind power in a static braking capability test.
Description
Technical field
The present invention relates to a kind of wind resistance simulating test device, particularly relate to the anti-skidding test macro of a kind 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 anti-skidding test macro 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: the anti-skidding test macro of a kind of crane wind resistance, 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 and cylinder thrust device, what described test chassis top was provided with that carrying platform can fix arranges several balancing weights, and described roller is provided with clamping device.
In a preferred embodiment of the present invention, described elastic traction device is dismountable to be connected on described test chassis, and junction is positioned at the front of described test chassis direction of motion.
In a preferred embodiment of the present invention, the push rod that described cylinder thrust device is provided with can test chassis described in pushing tow, and pushing tow place is positioned at the rear of described test chassis direction of motion, and described push rod is not connected with described test chassis.
In a preferred embodiment of the present invention, 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.
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; Cylinder thrust device for startup thrust-velocity when test chassis provides starting, also can provide simulation wind-force in static brake aptitude tests.
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 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, cylinder thrust device, 9, push rod, 10, arcuate structure, 11, carrying platform.
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, the anti-skidding test macro of a kind of crane wind resistance, 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 and cylinder thrust device 8, what test chassis 1 top was provided with that carrying platform 11 can fix arranges several balancing weights 4, 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; Cylinder thrust device 8 for startup thrust-velocity when test chassis 1 provides starting, also can provide simulation wind-force in static brake aptitude tests.
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.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 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 3 adopt the damping force of otherness can be proposed targetedly.
The push rod 9 that cylinder thrust device 8 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 9 is not connected with test chassis 1, and like this after releasing test chassis 1 instantaneously, cylinder thrust device 8 can depart from test chassis 1 smoothly and be connected contact relation.
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.
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.
Timeliness and the effect of braking in braking procedure limitedly can be detected by installation rate sensor.
Test macro also comprises being arranged on chooses Gao Zhu on test chassis 1 on carrying platform 11, 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. the anti-skidding test macro of crane wind resistance, 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 and cylinder thrust device, what described test chassis top was provided with that carrying platform can fix arranges several balancing weights, and described roller is provided with clamping device.
2. the anti-skidding test macro of crane wind resistance according to claim 1, is characterized in that: described elastic traction device is dismountable to be connected on described test chassis, and junction is positioned at the front of described test chassis direction of motion.
3. the anti-skidding test macro of crane wind resistance according to claim 1, it is characterized in that: the push rod that described cylinder thrust device is provided with can test chassis described in pushing tow, pushing tow place is positioned at the rear of described test chassis direction of motion, and described push rod is not connected with described test chassis.
4. the anti-skidding test macro of crane wind resistance 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 to be connected on described test chassis.
5. the anti-skidding test macro of crane wind resistance according to claim 4, is characterized in that: the pulling motion direction of described tractor and described parallel track or journey 0-90 ° of angle.
6. the anti-skidding test macro of crane wind resistance according to claim 4, is characterized in that: described conduction chain is provided with pulling force sensor.
7. the anti-skidding test macro of crane wind resistance according to claim 4 or 6, is characterized in that: described conduction chain is elastic threads or spring.
8. the anti-skidding test macro of crane wind resistance according to claim 1, is characterized in that: described clamping device is that wind-proof iron wedge detent is or/and rim brake.
9. the anti-skidding test macro of crane wind resistance according to claim 1, is characterized in that: described track head and the tail two ends are equipped with the arcuate structure be upturned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510154299.0A CN104849076A (en) | 2015-04-02 | 2015-04-02 | Wind resistance and skid resistance test system for crane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510154299.0A CN104849076A (en) | 2015-04-02 | 2015-04-02 | Wind resistance and skid resistance test system for crane |
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| CN201510154299.0A Pending CN104849076A (en) | 2015-04-02 | 2015-04-02 | Wind resistance and skid resistance test system for crane |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527114A (en) * | 2015-12-16 | 2016-04-27 | 江苏省特种设备安全监督检验研究院 | Crane wind load measurement method |
| 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 |
| CN106703423A (en) * | 2016-12-07 | 2017-05-24 | 上海市机械施工集团有限公司 | Automatic hovering wind-resistant device for integral lifting of air joint gallery |
| CN109085006A (en) * | 2018-09-26 | 2018-12-25 | 宁波市特种设备检验研究院 | Crane wind resistance non-skid property test device and test method |
| 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 |
| 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 |
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| SU1257433A1 (en) * | 1984-04-02 | 1986-09-15 | Макеевский Инженерно-Строительный Институт | Bench for analyzing interaction between crane wheel and rail |
| EP0643290A1 (en) * | 1993-09-10 | 1995-03-15 | Helmut Dipl.-Ing. Sudhop | Device for checking, monitoring and control of mechanical brakes |
| 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 |
| CN201311334Y (en) * | 2008-12-16 | 2009-09-16 | 张占成 | Windproof braking capacity detector |
| 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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Patent Citations (6)
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| SU1257433A1 (en) * | 1984-04-02 | 1986-09-15 | Макеевский Инженерно-Строительный Институт | Bench for analyzing interaction between crane wheel and rail |
| EP0643290A1 (en) * | 1993-09-10 | 1995-03-15 | Helmut Dipl.-Ing. Sudhop | Device for checking, monitoring and control of mechanical brakes |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527114A (en) * | 2015-12-16 | 2016-04-27 | 江苏省特种设备安全监督检验研究院 | Crane wind load measurement method |
| CN105527114B (en) * | 2015-12-16 | 2018-10-26 | 江苏省特种设备安全监督检验研究院 | Crane wind load measurement method |
| 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 |
| CN106703423A (en) * | 2016-12-07 | 2017-05-24 | 上海市机械施工集团有限公司 | Automatic hovering wind-resistant device for integral lifting of air joint gallery |
| CN109085006A (en) * | 2018-09-26 | 2018-12-25 | 宁波市特种设备检验研究院 | Crane wind resistance non-skid property test device and test method |
| 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 |
| 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 |
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Application publication date: 20150819 |
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