CN211477560U - Earthquake simulation vibration test bench - Google Patents
Earthquake simulation vibration test bench Download PDFInfo
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- CN211477560U CN211477560U CN202020394749.XU CN202020394749U CN211477560U CN 211477560 U CN211477560 U CN 211477560U CN 202020394749 U CN202020394749 U CN 202020394749U CN 211477560 U CN211477560 U CN 211477560U
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Abstract
The utility model relates to a vibration test platform technical field, more specifically the earthquake simulation vibration test platform that says so can carry out the substep test to the shear wave, the longitudinal wave and the surface wave of earthquake. A tester is placed on a vibration test platform by a tested model, two rotating screws are respectively rotated, the two rotating screws drive two model pressing blocks to be clamped and fixed on the vibration test platform by the tested model, a longitudinal vibration motor is firstly opened, the longitudinal vibration motor drives a longitudinal eccentric wheel to rotate, the longitudinal eccentric wheel rotates to drive a longitudinal vibration slide way and an upper sliding block and a lower sliding block to move up and down, the upper sliding block and the lower sliding block drive four sliding limiting blocks to respectively slide up and down on four sliding supporting legs, the simulation of the earthquake longitudinal wave of the upper sliding block and the lower sliding block is realized, and the influence on the tested model is observed.
Description
Technical Field
The utility model relates to a shock test platform technical field, more specifically the earthquake simulation shock test platform that says so.
Background
Utility model with publication number CN208060117U discloses a three degree of freedom vibration test platform, it relates to vibration test platform technical field. The novel welding machine comprises a lower base, a stand column mechanism, a middle platform, a welding support, supporting rods, an upper platform, an electric cylinder chamber mechanism, a ball angle sleeve, a joint, a base position connecting seat and a middle platform position connecting seat, wherein the stand column mechanism is arranged at the circle center position of the upper surface of the lower base, the middle platform is arranged at the upper end of the stand column mechanism, the welding support is arranged at the front rear side and the right side of the upper surface of the middle platform, the supporting rods are arranged at the left side of the upper surface of the middle platform, the upper end of each welding support and the upper end of each supporting rod are fixedly connected with the lower surface of. After the technical scheme is adopted, the utility model discloses beneficial effect does: the device has the advantages of simple structure, high use value, high rigidity, good dynamic characteristic, compact structure, simple analysis, low cost and the like, and has low simulation motion cost, short period and wide application prospect; the disadvantage is that the step-by-step test cannot be performed on the transverse wave, the longitudinal wave and the surface wave of the earthquake.
Disclosure of Invention
The utility model provides an earthquake simulation shock test platform, its beneficial effect can carry out the substep test to the transverse wave, the longitudinal wave and the surface wave of earthquake for earthquake simulation shock test platform.
An earthquake simulation vibration test bench comprises a longitudinal vibration mechanism, an upper vibration sliding table, a lower vibration sliding table and a transverse vibration mechanism, wherein the transverse vibration mechanism is connected on the upper vibration sliding table in a sliding manner, the upper vibration sliding table and the lower vibration sliding table are connected on the longitudinal vibration mechanism in a sliding manner, the longitudinal vibration mechanism comprises a ground fixing mounting plate, a sliding support leg, an upper sliding frame, a lower sliding frame, a buffer spring, a longitudinal vibration motor, a motor mounting plate and a longitudinal eccentric wheel, the longitudinal eccentric wheel is fixedly connected on an output shaft of the longitudinal vibration motor, the longitudinal vibration motor is detachably connected on the motor mounting plate through a bolt, the motor mounting plate is fixedly connected on the ground fixing mounting plate, the four sliding support legs are respectively and fixedly connected at four corners of the ground fixing mounting plate, the upper sliding frame and the lower, the upper and lower vibration sliding tables are connected to the upper and lower sliding frames and the four sliding legs in a sliding manner.
As a further optimization of the technical scheme, the upper and lower vibration sliding table of the earthquake simulation vibration test table of the utility model comprises an upper and lower sliding block, a sliding stopper, a longitudinal vibration slideway, a transverse vibration motor, a transverse eccentric wheel, a middle connecting rod, a transverse sliding rod and a transverse spring, wherein the four corners of the bottom end of the upper and lower sliding block are respectively and fixedly connected with the sliding stopper, the four sliding stoppers are respectively and slidably connected with four sliding legs, the upper and lower sliding block are slidably connected with the upper and lower sliding frame, the longitudinal vibration slideway is fixedly connected with the bottom end of the upper and lower sliding frame, the longitudinal eccentric wheel is slidably connected with the longitudinal vibration slideway, the two transverse sliding rods are respectively and fixedly connected with the front and rear ends of the upper and lower sliding block, the left and right ends of the two transverse sliding rods are respectively, the transverse eccentric wheel is fixedly connected to an output shaft of the transverse vibration motor, the right end of the middle connecting rod is rotatably connected to the transverse eccentric wheel, the left end of the middle connecting rod is rotatably connected to the transverse vibration mechanism, and the transverse vibration mechanism is slidably connected to the two transverse sliding rods.
As this technical scheme's further optimization, the utility model relates to an earthquake simulation shock test platform horizontal shock mechanism include the lateral sliding base, press from both sides tight cantilever, vibrations test platform, rotate screw rod and model compact heap, two model compact heaps rotate respectively to be connected at two and rotate the screw rod bottom, two rotate the screw rod respectively through threaded connection on two tight cantilevers that press from both sides, two press from both sides tight cantilever fixed connection both ends around vibrations test platform respectively, vibrations test platform fixed connection is on the lateral sliding base, lateral sliding base sliding connection is on two lateral sliding pole, the connection is on vibrations test platform is rotated to the middle connecting rod left end.
As the further optimization of this technical scheme, the utility model relates to an earthquake simulation shock test platform vertical shock dynamo and horizontal shock dynamo be the speed reducer motor.
The utility model relates to an earthquake simulation shock test platform's beneficial effect does:
the earthquake simulation vibration test bench can drive the upper vibration sliding table and the lower vibration sliding table to vibrate in the vertical direction through the longitudinal vibration motor, and the upper vibration sliding table and the lower vibration sliding table drive the vibration test platform to vibrate vertically to simulate earthquake longitudinal waves; the transverse vibration motor can also drive the vibration test platform to vibrate transversely in the left and right directions so as to simulate earthquake transverse waves; the longitudinal vibration motor and the transverse vibration motor can be simultaneously turned on to drive the vibration test platform to vibrate up and down and vibrate in the left and right directions at the same time, so that the surface waves generated by excitation of longitudinal waves and transverse waves after the longitudinal waves and the transverse waves meet the vibration test platform can be simulated; and simultaneously, the model to be tested is clamped and fixed on the vibration testing platform by using the model pressing block, and the influence of the earthquake vibration on the model is directly observed.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the utility model relates to a structural schematic diagram of earthquake simulation vibration test platform.
FIG. 2 is a schematic view of the test stand for earthquake simulation.
Fig. 3 is a schematic structural diagram of the longitudinal vibration mechanism.
Fig. 4 is a schematic structural view of the up-down vibration sliding table.
Fig. 5 is a schematic structural diagram of the transverse vibration mechanism.
In the figure: a longitudinal vibration mechanism 1; a ground fixed mounting plate 1-1; a sliding leg 1-2; 1-3 of an upper sliding frame and a lower sliding frame; 1-4 of a buffer spring; 1-5 of a longitudinal vibration motor; 1-6 of a motor mounting plate; a longitudinal eccentric wheel 1-7; vibrating the sliding table 2 up and down; an up-down slider 2-1; a sliding limiting block 2-2; a longitudinal vibration slideway 2-3; 2-4 of a transverse vibration motor; a transverse eccentric wheel 2-5; 2-6 of a middle connecting rod; 2-7 of transverse sliding rods; 2-8 parts of transverse springs; a transverse vibration mechanism 3; a transverse sliding base 3-1; clamping the cantilever 3-2; 3-3 of a vibration test platform; rotating the screw rod 3-4; and 3-5 of a model pressing block.
Detailed Description
The first embodiment is as follows:
the embodiment is described below by combining with fig. 1, 2, 3, 4 and 5, the utility model relates to the technical field of vibration test tables, and more specifically relates to a vibration simulation test table, which comprises a longitudinal vibration mechanism 1, an upper vibration sliding table 2, a lower vibration sliding table 2 and a transverse vibration mechanism 3, wherein the transverse vibration mechanism 3 is slidably connected with the upper vibration sliding table 2 and the lower vibration sliding table 2 are slidably connected with the longitudinal vibration mechanism 1, the longitudinal vibration mechanism 1 comprises a ground fixed mounting plate 1-1, a sliding support leg 1-2, an upper sliding frame 1-3, a buffer spring 1-4, a longitudinal vibration motor 1-5, a motor mounting plate 1-6 and a longitudinal eccentric wheel 1-7, the longitudinal eccentric wheel 1-7 is fixedly connected with an output shaft of the longitudinal vibration motor 1-5, the longitudinal vibration motor 1-5 is detachably connected with the motor mounting plate 1-6 through a bolt, the motor mounting plate 1-6 is fixedly connected to the ground fixing mounting plate 1-1, four sliding support legs 1-2 are respectively and fixedly connected to four corners of the ground fixing mounting plate 1-1, the upper sliding frame 1-3 and the lower sliding frame 1-3 are fixedly connected to the four sliding support legs 1-2, the four sliding support legs 1-2 are respectively provided with two buffer springs 1-4, and the upper vibration sliding table 2 and the lower vibration sliding table 2 are respectively and slidably connected to the upper sliding frame 1-3 and the four sliding support legs 1-2; the vertical vibration motor 1-5 drives the vertical eccentric wheel 1-7 to rotate, the vertical eccentric wheel 1-7 drives the upper and lower vibration sliding table 2 to slide up and down on the four sliding support legs 1-2 to drive vertical vibration, and the eight buffer springs 1-4 protect the upper and lower vibration sliding table 2 and the four sliding support legs 1-2 during vibration to prevent collision and damage to the upper and lower vibration sliding table 2 and the upper and lower sliding frames 1-3.
The second embodiment is as follows:
the embodiment is described below with reference to fig. 1, 2, 3, 4, and 5, and the embodiment further describes the embodiment, wherein the up-down vibration sliding table 2 comprises an up-down sliding block 2-1, a sliding limiting block 2-2, a longitudinal vibration slideway 2-3, a transverse vibration motor 2-4, a transverse eccentric wheel 2-5, an intermediate connecting rod 2-6, a transverse sliding rod 2-7, and a transverse spring 2-8, the four corners of the bottom end of the up-down sliding block 2-1 are respectively and fixedly connected with the sliding limiting blocks 2-2, the four sliding limiting blocks 2-2 are respectively and slidably connected with the four sliding legs 1-2, the up-down sliding block 2-1 is slidably connected with the up-down sliding frame 1-3, the longitudinal vibration slideway 2-3 is fixedly connected with the bottom end of the up-down sliding frame, the longitudinal eccentric wheels 1-7 are connected to the longitudinal vibration slideways 2-3 in a sliding mode, the two transverse sliding rods 2-7 are fixedly connected to the front end and the rear end of the upper sliding block 2-1 respectively, the left end and the right end of the two transverse sliding rods 2-7 are provided with two transverse springs 2-8 respectively, the transverse vibration motor 2-4 is detachably connected to the upper sliding block 2-1 and the lower sliding block 2-1 through bolts, the transverse eccentric wheels 2-5 are fixedly connected to output shafts of the transverse vibration motors 2-4, the right end of the middle connecting rod 2-6 is rotatably connected to the transverse eccentric wheels 2-5, the left end of the middle connecting rod 2-6 is rotatably connected to the transverse vibration mechanism 3, and the transverse vibration mechanism 3 is connected to the two; the longitudinal eccentric wheel 1-7 rotates to drive the longitudinal vibration slideway 2-3 and the up-down sliding block 2-1 to move up and down, the up-down sliding block 2-1 drives the four sliding limiting blocks 2-2 to respectively slide up and down on the four sliding supporting legs 1-2, and the simulation of the earthquake longitudinal wave of the up-down sliding block 2-1 is realized.
The third concrete implementation mode:
the second embodiment is further described with reference to fig. 1, 2, 3, 4 and 5. the transverse vibration mechanism 3 includes a transverse sliding base 3-1, clamping cantilevers 3-2, a vibration testing platform 3-3, rotating screws 3-4 and model pressing blocks 3-5. the two model pressing blocks 3-5 are respectively rotatably connected to the bottom ends of the two rotating screws 3-4, the two rotating screws 3-4 are respectively connected to the two clamping cantilevers 3-2 through threads, the two clamping cantilevers 3-2 are respectively fixedly connected to the front and rear ends of the vibration testing platform 3-3, the vibration testing platform 3-3 is fixedly connected to the transverse sliding base 3-1, the transverse sliding base 3-1 is slidably connected to the two transverse sliding rods 2-7, the left end of the middle connecting rod 2-6 is rotatably connected to the vibration testing platform 3-3; the transverse vibration motor 2-4 drives the transverse eccentric wheel 2-5 to rotate, the transverse eccentric wheel 2-5 drives the middle connecting rod 2-6 to move, the middle connecting rod 2-6 drives the vibration testing platform 3-3 to move, the vibration testing platform 3-3 drives the transverse sliding base 3-1 to slide left and back on the two transverse sliding rods 2-7 to simulate earthquake transverse waves, and the four transverse springs 2-8 prevent the vibration testing platform 3-3 and the upper and lower sliding blocks 2-1 from colliding to damage the vibration testing platform 3-3 and the upper and lower sliding blocks 2-1.
The fourth concrete implementation mode:
the third embodiment is further described below with reference to fig. 1, 2, 3, 4, and 5, where the longitudinal vibration motors 1-5 and the transverse vibration motors 2-4 are speed reducer motors; the rotation speed may be adjusted to adjust the amplitude of the seismic simulation.
The utility model relates to an earthquake simulation shock test platform's theory of operation: a tester places a tested model on a vibration testing platform 3-3, respectively rotates two rotating screws 3-4, the two rotating screws 3-4 drive two model pressing blocks 3-5 to clamp and fix the tested model on the vibration testing platform 3-3, firstly, a longitudinal vibration motor 1-5 is opened, the longitudinal vibration motor 1-5 drives a longitudinal eccentric wheel 1-7 to rotate, the longitudinal eccentric wheel 1-7 rotates to drive a longitudinal vibration slideway 2-3 and an upper sliding block 2-1 to move up and down, the upper sliding block 2-1 drives four sliding limiting blocks 2-2 to respectively slide up and down on four sliding support legs 1-2, so that the simulation of the earthquake longitudinal wave of the upper sliding block 2-1 and the simulation of the earthquake longitudinal wave of the lower sliding block 2-1 are realized, and the influence on the tested model is observed, after the simulation is finished, closing the longitudinal vibration motor 1-5, then opening the transverse vibration motor 2-4, driving the transverse eccentric wheel 2-5 to rotate by the transverse vibration motor 2-4, driving the middle connecting rod 2-6 to move by the transverse eccentric wheel 2-5, driving the vibration testing platform 3-3 to move by the middle connecting rod 2-6, driving the transverse sliding base 3-1 to slide left and right on the two transverse sliding rods 2-7 by the vibration testing platform 3-3, simulating the transverse wave of the earthquake, observing the influence on the tested model, after the simulation is finished, opening the longitudinal vibration motor 1-5 again, driving the longitudinal vibration motor 1-5 and the transverse vibration motor 2-4 to work simultaneously, driving the vibration testing platform 3-3 to vibrate left and right while vibrating up and down, so as to simulate the surface wave phenomenon generated after the transverse wave and the longitudinal wave meet, and the influence on the tested model is observed, and the test of simulating the transverse wave, the longitudinal wave and the surface wave of the earthquake step by step is completed.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.
Claims (4)
1. The utility model provides an earthquake simulation shock test platform, includes longitudinal vibration mechanism (1), vibrations slip table (2) and horizontal vibrations mechanism (3) from top to bottom, horizontal vibrations mechanism (3) sliding connection on vibrations slip table (2) from top to bottom, vibrations slip table (2) sliding connection from top to bottom on longitudinal vibration mechanism (1), its characterized in that: the longitudinal vibration mechanism (1) comprises a ground fixing mounting plate (1-1), sliding support legs (1-2), an upper sliding frame and a lower sliding frame (1-3), a buffer spring (1-4), a longitudinal vibration motor (1-5), a motor mounting plate (1-6) and a longitudinal eccentric wheel (1-7), wherein the longitudinal eccentric wheel (1-7) is fixedly connected to an output shaft of the longitudinal vibration motor (1-5), the longitudinal vibration motor (1-5) is detachably connected to the motor mounting plate (1-6) through a bolt, the motor mounting plate (1-6) is fixedly connected to the ground fixing mounting plate (1-1), the four sliding support legs (1-2) are respectively and fixedly connected to four corners of the ground fixing mounting plate (1-1), the upper sliding frame and the lower sliding frame (1-3) are fixedly connected to the four sliding support legs (1-2), two buffer springs (1-4) are respectively arranged on the four sliding legs (1-2), and the upper and lower vibration sliding tables (2) are slidably connected to the upper and lower sliding frames (1-3) and the four sliding legs (1-2).
2. A seismic simulation shock test rig according to claim 1, wherein: the upper and lower vibration sliding table (2) comprises an upper and lower sliding block (2-1), sliding limiting blocks (2-2), a longitudinal vibration slideway (2-3), a transverse vibration motor (2-4), transverse eccentric wheels (2-5), a middle connecting rod (2-6), transverse sliding rods (2-7) and transverse springs (2-8), wherein the four corners of the bottom end of the upper and lower sliding block (2-1) are respectively and fixedly connected with the sliding limiting blocks (2-2), the four sliding limiting blocks (2-2) are respectively and slidably connected with the four sliding support legs (1-2), the upper and lower sliding block (2-1) is slidably connected with the upper and lower sliding frame (1-3), the longitudinal vibration slideway (2-3) is fixedly connected with the bottom end of the upper and lower sliding frame (1-3), the longitudinal eccentric wheel (1-7) is slidably connected with the longitudinal vibration slideway (2-3), two transverse sliding rods (2-7) are respectively and fixedly connected to the front end and the rear end of an upper sliding block (2-1) and a lower sliding block (2-1), the left end and the right end of each transverse sliding rod (2-7) are respectively provided with two transverse springs (2-8), a transverse vibration motor (2-4) is detachably connected to the upper sliding block (2-1) and the lower sliding block (2-1) through bolts, a transverse eccentric wheel (2-5) is fixedly connected to an output shaft of the transverse vibration motor (2-4), the right end of an intermediate connecting rod (2-6) is rotatably connected to the transverse eccentric wheel (2-5), the left end of the intermediate connecting rod (2-6) is rotatably connected to a transverse vibration mechanism (3), and the transverse vibration mechanism (3) is slidably connected to the two transverse sliding rods.
3. A seismic simulation shock test rig according to claim 2, wherein: the transverse vibration mechanism (3) comprises a transverse sliding base (3-1), clamping cantilevers (3-2), a vibration test platform (3-3), rotating screw rods (3-4) and model pressing blocks (3-5), wherein the two model pressing blocks (3-5) are respectively and rotatably connected to the bottom ends of the two rotating screw rods (3-4), the two rotating screw rods (3-4) are respectively connected to the two clamping cantilevers (3-2) through threads, the two clamping cantilevers (3-2) are respectively and fixedly connected to the front end and the rear end of the vibration test platform (3-3), the vibration test platform (3-3) is fixedly connected to the transverse sliding base (3-1), the transverse sliding base (3-1) is slidably connected to the two transverse sliding rods (2-7), the left end of the middle connecting rod (2-6) is rotatably connected to the vibration testing platform (3-3).
4. A seismic simulation shock test rig according to claim 3, wherein: the longitudinal vibration motors (1-5) and the transverse vibration motors (2-4) are speed reducer motors.
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| CN202020394749.XU CN211477560U (en) | 2020-03-25 | 2020-03-25 | Earthquake simulation vibration test bench |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112067221A (en) * | 2020-09-14 | 2020-12-11 | 浙江埃特斯力试验设备有限公司 | A basic building frame model antidetonation testing arrangement for timber structure building |
| CN112284665A (en) * | 2020-10-22 | 2021-01-29 | 青岛农业大学 | Be used for building steel structure model anti-seismic test detection device |
| CN112858633A (en) * | 2021-01-14 | 2021-05-28 | 三门峡职业技术学院 | Large-thickness collapsible loess humidifying deformation experimental device |
| CN113029485A (en) * | 2021-03-23 | 2021-06-25 | 深圳市骏源瑞建材有限公司 | Anti-seismic detection workbench of house connection structure |
| CN114220332A (en) * | 2022-02-11 | 2022-03-22 | 应急管理部国家自然灾害防治研究院 | Earthquake simulation test equipment |
| CN114578021A (en) * | 2022-01-20 | 2022-06-03 | 西华大学 | Wireless measurement system and test method for measuring slope instability |
| CN115371929A (en) * | 2022-10-24 | 2022-11-22 | 常州中英科技股份有限公司 | Multilayer circuit board vibration stability detection device and detection method |
| CN115629181A (en) * | 2022-10-09 | 2023-01-20 | 长江大学 | Loess landslide simulation device under combined action of multiple inducing factors |
| CN116067604A (en) * | 2023-03-14 | 2023-05-05 | 中国电建集团西北勘测设计研究院有限公司 | Vibration environment simulation device for green low-carbon urban and rural construction |
| CN116793624A (en) * | 2023-08-29 | 2023-09-22 | 黑龙江省建筑安装集团有限公司 | Civil structure antidetonation experimental apparatus |
| CN117213785A (en) * | 2023-11-06 | 2023-12-12 | 广东金来电气有限公司 | Anti-seismic performance detection device of anti-seismic support |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112067221A (en) * | 2020-09-14 | 2020-12-11 | 浙江埃特斯力试验设备有限公司 | A basic building frame model antidetonation testing arrangement for timber structure building |
| CN112284665A (en) * | 2020-10-22 | 2021-01-29 | 青岛农业大学 | Be used for building steel structure model anti-seismic test detection device |
| CN112858633A (en) * | 2021-01-14 | 2021-05-28 | 三门峡职业技术学院 | Large-thickness collapsible loess humidifying deformation experimental device |
| CN113029485A (en) * | 2021-03-23 | 2021-06-25 | 深圳市骏源瑞建材有限公司 | Anti-seismic detection workbench of house connection structure |
| CN114578021A (en) * | 2022-01-20 | 2022-06-03 | 西华大学 | Wireless measurement system and test method for measuring slope instability |
| CN114578021B (en) * | 2022-01-20 | 2023-07-07 | 西华大学 | Wireless measurement system and test method for measuring slope instability |
| CN114220332A (en) * | 2022-02-11 | 2022-03-22 | 应急管理部国家自然灾害防治研究院 | Earthquake simulation test equipment |
| CN114220332B (en) * | 2022-02-11 | 2024-04-12 | 应急管理部国家自然灾害防治研究院 | Earthquake simulation test equipment |
| CN115629181B (en) * | 2022-10-09 | 2024-02-27 | 长江大学 | Loess landslide analogue means under many evoked factors combined action |
| CN115629181A (en) * | 2022-10-09 | 2023-01-20 | 长江大学 | Loess landslide simulation device under combined action of multiple inducing factors |
| CN115371929A (en) * | 2022-10-24 | 2022-11-22 | 常州中英科技股份有限公司 | Multilayer circuit board vibration stability detection device and detection method |
| CN116067604A (en) * | 2023-03-14 | 2023-05-05 | 中国电建集团西北勘测设计研究院有限公司 | Vibration environment simulation device for green low-carbon urban and rural construction |
| CN116067604B (en) * | 2023-03-14 | 2023-07-18 | 中国电建集团西北勘测设计研究院有限公司 | Vibration environment simulation device |
| CN116793624B (en) * | 2023-08-29 | 2023-11-03 | 黑龙江省建筑安装集团有限公司 | Civil structure antidetonation experimental apparatus |
| CN116793624A (en) * | 2023-08-29 | 2023-09-22 | 黑龙江省建筑安装集团有限公司 | Civil structure antidetonation experimental apparatus |
| CN117213785A (en) * | 2023-11-06 | 2023-12-12 | 广东金来电气有限公司 | Anti-seismic performance detection device of anti-seismic support |
| CN117213785B (en) * | 2023-11-06 | 2024-02-02 | 广东金来电气有限公司 | Anti-seismic performance detection device of anti-seismic support |
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