CN102243157A - Fatigue test loading device of transportation on bridge - Google Patents
Fatigue test loading device of transportation on bridge Download PDFInfo
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- CN102243157A CN102243157A CN2011100762622A CN201110076262A CN102243157A CN 102243157 A CN102243157 A CN 102243157A CN 2011100762622 A CN2011100762622 A CN 2011100762622A CN 201110076262 A CN201110076262 A CN 201110076262A CN 102243157 A CN102243157 A CN 102243157A
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- 238000009661 fatigue test Methods 0.000 title abstract 2
- 238000005096 rolling process Methods 0.000 claims abstract description 29
- 238000012360 testing method Methods 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
本发明提供一种桥梁运行疲劳试验加载装置，属于试验设备领域，其结构包括主机架，主机架的上方水平设置有两条相互平行的加载轨道，上述两条平行加载轨道的底部至少设置有两对加载轮，每对加载轮通过加载轴连接，所述加载轴均设置在上支撑架上，上支撑架通过双作用油缸与下支撑架相连，下支撑架上设置有碾压组件；上述上支撑架与牵引驱动组件相接；上述双作用油缸与液压系统相接。本发明采用加载轨道、空载轨道及两者之间的加载轮，实现加载和空载运行，使装置高度降低，运动部分重心降低、惯性质量减小，运行稳定性好。本发明的碾压组件可以包括一个碾压钢轮，也可以包括两个碾压轮组，能实现碾压方式的变换，可提高试验结论的准确性和试验效率。
The invention provides a bridge running fatigue test loading device, which belongs to the field of test equipment. Its structure includes a main frame. Two parallel loading rails are horizontally arranged above the main frame. For the loading wheels, each pair of loading wheels is connected by a loading shaft, and the loading shafts are all arranged on the upper support frame, and the upper support frame is connected with the lower support frame through a double-acting oil cylinder, and a rolling assembly is arranged on the lower support frame; The supporting frame is connected with the traction drive assembly; the above-mentioned double-acting oil cylinder is connected with the hydraulic system. The invention adopts the loading track, the unloading track and the loading wheel between them to realize the loading and unloading operation, so that the height of the device is reduced, the center of gravity of the moving part is reduced, the inertial mass is reduced, and the running stability is good. The rolling assembly of the present invention may include one rolling steel wheel or two rolling wheel sets, which can realize the transformation of the rolling mode and improve the accuracy and efficiency of the test conclusion.
Description
(1) technical field
The present invention relates to a kind of testing equipment, specifically a kind of bridge operation torture test charger.
(2) background technology
Bridge operation fatigue rig is test, the specialized equipment that detects bridge material and structure.Existing bridge operation fatigue rig rolls main single steel wheel or the two rubber tire group of adopting separately of mode, the poor accuracy of experiment, and efficient is lower; If adopt single steel wheel and two rubber tire group to roll experiment simultaneously, then need two kinds of equipment, the equipment cost of experiment is higher.In addition, existing bridge operation fatigue rig loading section adopt two groups of tracks and up and down each two pairs load and take turns, two groups of tracks are arranged on two pairs back-to-back and load between the wheel, complex structure, motion parts height height, center of gravity height, inertial mass is big, and operation stability is poor, also makes transportation, installation and difficult in maintenance.
(3) summary of the invention
Technical assignment of the present invention is at the deficiencies in the prior art, and a kind of situation that rolls to bridge can reproduce the vehicle actual motion time is provided, and has efficient, energy-conservation bridge operation torture test charger.A set of equipment uses by conversion, can realize that single steel wheel and two rubber tire groups two kinds roll experiment, has saved equipment cost greatly.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of bridge operation torture test charger, comprise mainframe, the upper horizontal of mainframe is provided with two loading tracks that are parallel to each other, the bottom of above-mentioned two parallel boot tracks is provided with two pairs at least and loads wheel, every pair loads wheel and connects by loading axle, described loading axle all is arranged on the upper support frame, the middle part of upper support frame is connected with the cylinder body of two-way cylinder or piston rod, the piston rod of two-way cylinder or cylinder body link to each other with the lower support frame, and the lower support frame is provided with and rolls assembly;
Also be provided with guidance set between above-mentioned upper support frame and lower support frame, guidance set can be the guide pillar guiding sleeve type, also can be the guide pillar ball-type.
Above-mentioned upper support frame and traction drive assembly join;
Above-mentioned two-way cylinder and hydraulic system are joined.
The below of above-mentioned loading wheel also is provided with unloaded track or unloaded bracing frame.
The above-mentioned assembly that rolls comprises following two kinds of versions:
First kind of structure roll assembly comprise roll the axle and rolling wheel, rolling wheel be arranged on roll the axle the centre, roll the axle be arranged on the lower support frame.
Second kind of structure roll assembly comprise roll the axle, the conversion frame, roll before wheels and roll the back wheels, the conversion frame is connected with the lower support frame by rolling axle, wheels and roll the trailing wheel group and be arranged on conversion frame rear and front end respectively before rolling, wheels and roll the trailing wheel group and comprise respectively and roll axle and rolling wheel before above-mentioned the rolling.
Above-mentioned traction drive assembly comprises motor reducer assembly, driving wheel and towbar, and the motor reducer assembly links to each other with driving wheel, and an end of towbar is arranged on the driving wheel, and the other end and the upper support frame of towbar join.
Bridge operation torture test charger of the present invention, its principle of work is as follows:
When torture test begins, utilize the work of HYDRAULIC CONTROL SYSTEM two-way cylinder, two-way cylinder promote the lower support frame move down with upper support frame on move, make the rolling pressure value of rolling wheel disposed thereon reach preset requirement by the lower support frame, at this moment, under the effect of upper support frame, the loading wheel applies reacting force and is loading on the track and finally be applied on the mainframe.
The motor reducer assembly drives driving wheel and rotates, and driving wheel drives upper support frame left and right sides to-and-fro movement by towbar again, and finally drives rolling wheel realize to-and-fro movement on the test bridge.
After torture test finishes, utilize the HYDRAULIC CONTROL SYSTEM two-way cylinder to quit work, under the two-way cylinder effect, move with upper support frame on the lower support frame and move down, when reaching the certain displacement amount, load wheel and under the effect of upper support frame, throw off the loading track, and close unloaded track slowly or unloaded bracing frame, at last, upper support frame, two-way cylinder, lower support frame and roll assembly and all can overhaul maintenance by unloaded track or unloaded bracing frame are unsettled.
A kind of bridge of the present invention moves the torture test charger compared with prior art, and the beneficial effect that is produced is:
1) the present invention adopts and loads track, unloaded track and the wheel of loading between the two, realizes loading and no-load running, can make simple in structurely, and the equipment height overall is reduced to 4.3 meters by existing 6.5 meters, makes transportation and simple installation; The motion parts height reduces, center of gravity reduces, inertial mass reduces good operation stability.
2) assembly that rolls of the present invention can comprise that is rolled a steel wheel, also can comprise two and roll wheels, can realize the conversion of the mode that rolls, thus when multiple mode is reproduced the vehicle actual motion to the situation that rolls of bridge, can improve the accuracy and the conventional efficient of bridge fatigue experiment conclusion.
(4) description of drawings
Accompanying drawing 1 is the structural representation of first embodiment of the invention;
Accompanying drawing 2 is the right TV structure synoptic diagram of the right side part of Fig. 1;
Accompanying drawing 3 is the part-structure synoptic diagram of second embodiment of the invention.
Among the figure, 1, mainframe, 2, load track, 3, load wheel, 4, load axle, 5, upper support frame, 6, two-way cylinder, 7, the lower support frame, 8, roll axle, 9, rolling wheel, 10, guidance set, 11, the motor reducer assembly, 12, driving wheel, 13, towbar, 14, the conversion frame, 15, roll preceding wheels, 16, roll the back wheels, 17, unloaded track or unloaded bracing frame.
(5) embodiment
Explain below below in conjunction with accompanying drawing 1-3 bridge of the present invention operation torture test charger being done.
Embodiment 1:
Shown in accompanying drawing 1,2, a kind of bridge operation torture test charger of the present invention, its structure comprises mainframe 1, the upper horizontal of mainframe 1 is provided with two loading tracks 2 that are parallel to each other, the bottom of above-mentioned two parallel boot tracks 2 is provided with two pairs and loads wheel 3, every pair loads wheel 3 and connects by loading axle 4, described loading axle 4 all is arranged on the upper support frame 5, the middle part of upper support frame 5 is connected with the cylinder body of two-way cylinder 6, the piston rod of two-way cylinder 6 links to each other with lower support frame 7, and lower support frame 7 is provided with and rolls assembly; The above-mentioned assembly that rolls comprises and rolls 8 and rolling wheels 9 of axle, and rolling wheel 9 be a steel wheel, and rolling wheel 9 is arranged on and rolls axle 8 centre, rolls spools 8 and is arranged on the lower support frame 7.
7 on above-mentioned upper support frame 5 and lower support frame also are provided with guidance set 10; Guidance set 10 is the guide pillar guiding sleeve type.
Above-mentioned upper support frame 5 joins with the traction drive assembly.Above-mentioned traction drive assembly comprises motor reducer assembly 11, driving wheel 12 and towbar 13, and motor reducer assembly 11 links to each other with driving wheel 12, and an end of towbar 13 is arranged on the driving wheel 12, and the other end of towbar 13 and upper support frame 5 join.
Above-mentioned two-way cylinder 6 joins with hydraulic system.
Embodiment 2:
As shown in Figure 3, a kind of bridge operation torture test charger of the present invention, its structure comprises mainframe 1, the upper horizontal of mainframe 1 is provided with two loading tracks 2 that are parallel to each other, the bottom of above-mentioned two parallel boot tracks 2 is provided with two pairs and loads wheel 3, and above-mentioned two pairs of belows that load wheel 3 also are provided with unloaded track or unloaded bracing frame 17.Every pair loads wheel 3 and connects by loading axle 4, described loading axle all is arranged on the upper support frame 5, the middle part of upper support frame 5 is connected with the cylinder body of two-way cylinder 6, and the piston rod of two-way cylinder links to each other with lower support frame 7, and lower support frame 7 is provided with and rolls assembly; Above-mentioned roll assembly comprise roll the axle 8, the conversion frame 14, roll before wheels 15 and roll the back wheels 16, conversion frame 14 is connected with lower support frame 7 by rolling axle 8, roll preceding wheels 15 and roll back wheels 16 and be separately positioned on conversion frame 14 rear and front ends, wheels 15 and roll back wheels 16 and comprise respectively and roll axle 8 and rolling wheel 9 before above-mentioned the rolling, wheels 15 and roll back wheels 16 and be two steel wheel groups or two rubber tire group before above-mentioned the rolling.
7 on above-mentioned upper support frame 5 and lower support frame also are provided with guidance set 10; Guidance set 10 is the guide pillar ball-type.
Above-mentioned upper support frame 5 joins with the traction drive assembly.Above-mentioned traction drive assembly comprises motor reducer assembly 11, driving wheel 12 and towbar 13, and motor reducer assembly 11 links to each other with driving wheel 12, and an end of towbar 13 is arranged on the driving wheel 12, and the other end of towbar 13 and upper support frame 5 join.Above-mentioned two-way cylinder 6 joins with hydraulic system.
Claims (5)
1. a bridge moves the torture test charger, comprise mainframe, it is characterized in that, the upper horizontal of mainframe is provided with two loading tracks that are parallel to each other, the bottom of above-mentioned two parallel boot tracks is provided with two pairs at least and loads wheel, every pair loads wheel and connects by loading axle, described loading axle all is arranged on the upper support frame, the middle part of upper support frame is connected with the cylinder body of two-way cylinder or piston rod, the piston rod of two-way cylinder or cylinder body link to each other with the lower support frame, and the lower support frame is provided with and rolls assembly;
Also be provided with guidance set between above-mentioned upper support frame and lower support frame;
Above-mentioned upper support frame and traction drive assembly join;
Above-mentioned two-way cylinder and hydraulic system are joined.
2. a kind of bridge operation torture test charger according to claim 1 is characterized in that the below of above-mentioned loading wheel also is provided with unloaded track or unloaded bracing frame.
3. a kind of bridge operation torture test charger according to claim 1 and 2 is characterized in that, rolls assembly and comprises and roll axle and rolling wheel that rolling wheel is arranged on the centre of rolling axle, rolls axle and is arranged on the lower support frame.
4. a kind of bridge operation torture test charger according to claim 1 and 2, it is characterized in that, roll assembly comprise roll the axle, the conversion frame, roll before wheels and roll the back wheels, the conversion frame is connected with the lower support frame by rolling axle, wheels and roll the trailing wheel group and be arranged on conversion frame rear and front end respectively before rolling, wheels and roll the trailing wheel group and comprise respectively and roll axle and rolling wheel before above-mentioned the rolling.
5. a kind of bridge operation torture test charger according to claim 1 and 2, it is characterized in that, the traction drive assembly comprises motor reducer assembly, driving wheel and towbar, the motor reducer assembly links to each other with driving wheel, one end of towbar is arranged on the driving wheel, and the other end and the upper support frame of towbar join.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100762622A CN102243157A (en) | 2011-03-29 | 2011-03-29 | Fatigue test loading device of transportation on bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100762622A CN102243157A (en) | 2011-03-29 | 2011-03-29 | Fatigue test loading device of transportation on bridge |
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| CN102243157A true CN102243157A (en) | 2011-11-16 |
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| CN2011100762622A Pending CN102243157A (en) | 2011-03-29 | 2011-03-29 | Fatigue test loading device of transportation on bridge |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680311A (en) * | 2012-05-10 | 2012-09-19 | 东南大学 | Steel box girder and bridge road system cooperation model and test system |
| CN103868792A (en) * | 2014-03-19 | 2014-06-18 | 山东交通学院 | Hydraulic bridge fatigue test loading device |
| CN111257143A (en) * | 2020-01-22 | 2020-06-09 | 黑龙江建筑职业技术学院 | Cold region bridge fatigue degree testing device and operation method thereof |
| CN114754951A (en) * | 2022-03-25 | 2022-07-15 | 山东交通学院 | Wheel Load Test Device for Through-Type Bridge Durability |
| CN114754949A (en) * | 2022-03-25 | 2022-07-15 | 山东交通学院 | Top suspension drive type bridge durability wheel load experimental device |
| WO2023179166A1 (en) * | 2022-03-25 | 2023-09-28 | 山东交通学院 | Air bag type floating loading mechanism |
Citations (5)
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|---|---|---|---|---|
| JPH11230874A (en) * | 1998-02-16 | 1999-08-27 | Mitsubishi Heavy Ind Ltd | Mobile jig for testing load fatigue |
| JP2000338021A (en) * | 1999-05-26 | 2000-12-08 | Servo Technos:Kk | Movement vibration fatigue-testing device |
| CN101240523A (en) * | 2008-01-18 | 2008-08-13 | 山东交通学院 | A pavement accelerated loading experimental device |
| CN101576457A (en) * | 2009-06-22 | 2009-11-11 | 张志宏 | Fatigue tester for paving rotary wheel type bridge |
| CN201983990U (en) * | 2011-03-29 | 2011-09-21 | 山东交通学院 | Bridge running fatigue test loading device |
-
2011
- 2011-03-29 CN CN2011100762622A patent/CN102243157A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11230874A (en) * | 1998-02-16 | 1999-08-27 | Mitsubishi Heavy Ind Ltd | Mobile jig for testing load fatigue |
| JP2000338021A (en) * | 1999-05-26 | 2000-12-08 | Servo Technos:Kk | Movement vibration fatigue-testing device |
| CN101240523A (en) * | 2008-01-18 | 2008-08-13 | 山东交通学院 | A pavement accelerated loading experimental device |
| CN101576457A (en) * | 2009-06-22 | 2009-11-11 | 张志宏 | Fatigue tester for paving rotary wheel type bridge |
| CN201983990U (en) * | 2011-03-29 | 2011-09-21 | 山东交通学院 | Bridge running fatigue test loading device |
Non-Patent Citations (1)
| Title |
|---|
| 刘勇等: "大跨钢斜拉桥疲劳性能研究现状与发展", 《城市道桥与防洪》, no. 4, 30 April 2010 (2010-04-30), pages 146 - 149 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680311A (en) * | 2012-05-10 | 2012-09-19 | 东南大学 | Steel box girder and bridge road system cooperation model and test system |
| CN103868792A (en) * | 2014-03-19 | 2014-06-18 | 山东交通学院 | Hydraulic bridge fatigue test loading device |
| CN111257143A (en) * | 2020-01-22 | 2020-06-09 | 黑龙江建筑职业技术学院 | Cold region bridge fatigue degree testing device and operation method thereof |
| CN111257143B (en) * | 2020-01-22 | 2022-07-05 | 黑龙江建筑职业技术学院 | Cold region bridge fatigue degree testing device and operation method thereof |
| CN114754951A (en) * | 2022-03-25 | 2022-07-15 | 山东交通学院 | Wheel Load Test Device for Through-Type Bridge Durability |
| CN114754949A (en) * | 2022-03-25 | 2022-07-15 | 山东交通学院 | Top suspension drive type bridge durability wheel load experimental device |
| WO2023179166A1 (en) * | 2022-03-25 | 2023-09-28 | 山东交通学院 | Air bag type floating loading mechanism |
| WO2023179163A1 (en) * | 2022-03-25 | 2023-09-28 | 山东交通学院 | Upper suspension driving type bridge durability wheel load experiment device |
| WO2023179164A1 (en) * | 2022-03-25 | 2023-09-28 | 山东交通学院 | Through-type bridge durability wheel load experimental device |
| CN114754949B (en) * | 2022-03-25 | 2024-01-30 | 山东交通学院 | Durability wheel load experimental device of top-suspension drive bridge |
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Application publication date: 20111116 |
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