CN216386206U - Self-adaptive flexible vibration isolation and impact resistance test platform - Google Patents
Self-adaptive flexible vibration isolation and impact resistance test platform Download PDFInfo
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- CN216386206U CN216386206U CN202123040852.8U CN202123040852U CN216386206U CN 216386206 U CN216386206 U CN 216386206U CN 202123040852 U CN202123040852 U CN 202123040852U CN 216386206 U CN216386206 U CN 216386206U
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Abstract
The embodiment of the application discloses anti test platform of dashing of flexible vibration isolation of self-adaptation includes: a platform; an air spring damper, said platform disposed on said air spring damper; the air cylinder is connected with the air spring shock absorber; a base, the air spring damper being connected to the base. The self-adaptive flexible vibration isolation anti-impact testing platform further comprises a gas cylinder connected with the air spring shock absorber, gas can be injected into the air spring shock absorber through the gas cylinder to adjust the rigidity of the air spring shock absorber, the vibration isolation anti-impact capacity of the platform can be adjusted, the frequency of the platform can be adjusted, the platform can be suitable for tests of different devices to be tested, the platform can be suitable for onshore vibration tests of the same device in different states, flexible boundary conditions can be better simulated, and vibration isolation anti-impact effect is guaranteed.
Description
Technical Field
The embodiment of the application relates to the technical field of shock absorption and impact, in particular to a self-adaptive flexible vibration isolation and impact resistance test platform.
Background
In the marine industry, onshore vibration testing is required for power, cooling, lubrication and other types of equipment to verify system performance, including a large number of oil and water supply systems. The equipment adopts elastic vibration isolation measures due to the fact that vibration noise is prominent, firstly, a vibration isolator is adopted at the position of a mounting foot, and secondly, a vibration attenuation connecting pipe is adopted in oil and water inlet and outlet pipelines. For a large unit comprising a condenser, an oil tank and the like, the total weight of the unit is remarkably increased by 30% or more after liquid filling under the working condition, so that the deformation of a machine foot vibration isolator and a liquid inlet and outlet vibration damping connecting pipe is remarkably increased in a dry weight state, the vibration damping connecting pipe has enough displacement compensation capacity to adapt to larger deformation change, or enough deformation allowance is reserved in advance by adopting a special installation process at the installation stage, and the two modes have high requirements and higher cost for a land test.
On the other hand, when the existing vibration isolation and impact resistance test platform is designed, single-layer vibration isolation is generally adopted at the bottom, such as a rubber pad, the supporting rigidity of the rubber pad is relatively constant, after the supporting weight is obviously changed and deviates from the design load, the deviation between the actual natural frequency of the platform and the design value is relatively large, and the vibration isolation and impact resistance effect is difficult to effectively guarantee.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art or the related art.
For this reason, this application embodiment provides a flexible vibration isolation of self-adaptation anti impact test platform, includes:
a platform;
an air spring damper, said platform disposed on said air spring damper;
the air cylinder is connected with the air spring shock absorber;
a base, the air spring damper being connected to the base.
In one possible embodiment, the air spring damper includes:
a housing connected to the base;
the deformation bag body is arranged in the shell, and the gas cylinder is communicated with the deformation bag body;
the piston is at least partially arranged in the shell, and the deformable capsule body is abutted to the piston.
In a possible embodiment, the deformable bag body is made of rubber material, and an inflation nozzle is arranged on the deformable bag body and communicated with the gas cylinder.
In a possible embodiment, a projection is formed on one of the inner wall of the housing and the piston, and a recess is formed on the other, the projection being adapted to be inserted into the recess.
In one possible embodiment, the platform comprises:
a rib plate;
the panel is connected to the rib plate;
and the lightening holes are formed in the panel and/or the rib plates.
In a possible embodiment, the adaptive flexible vibration isolation and impact resistance test platform further comprises:
a pressure sensor disposed between the air spring damper and the platform;
a control valve provided on a passage between the gas cylinder and the air spring damper;
a controller connected to the pressure sensor and the control valve, for controlling an opening degree of the control valve based on a detection result of the pressure sensor;
and the exhaust pipeline is communicated with the gas cylinder through the control valve.
In a possible embodiment, the number of the air spring dampers is plural, one controller is connected to each air spring damper, and each air spring damper is communicated with one air cylinder.
In a possible embodiment, the air spring damper is a plurality of air spring dampers, a plurality of air spring dampers are connected with the same controller, and each air spring damper is communicated with the same air bottle.
In one possible embodiment, the cylinder contains an inert gas.
In a possible embodiment, the adaptive flexible vibration isolation and impact resistance test platform further comprises:
a stopper disposed on a peripheral side of the platform;
and the side-arranged base is connected to one end, far away from the platform, of the limiting stopper.
Compared with the prior art, the utility model at least comprises the following beneficial effects: the utility model provides an anti test platform of anti shock of flexible vibration isolation of self-adaptation has included the base, set up the air spring shock absorber above the base and set up the platform on the air spring shock absorber, at land vibration test's in-process, can be with the equipment setting of treating the experiment on the platform, can simulate flexible boundary condition through the air spring shock absorber, can avoid waiting to examine the vibration influence of equipment to examine the ground of test area through the air spring shock absorber simultaneously, can separate to avoid other equipment in the test area to transmit the vibration volume to waiting to examine equipment through the air spring shock absorber simultaneously, realized the vibration isolation anti-impact reliability of having guaranteed land vibration test. The self-adaptive flexible vibration isolation anti-impact testing platform further comprises a gas cylinder connected with the air spring shock absorber, gas can be injected into the air spring shock absorber through the gas cylinder to adjust the rigidity of the air spring shock absorber, the vibration isolation anti-impact capacity of the platform can be adjusted, the frequency of the platform can be adjusted, the platform can be suitable for tests of different devices to be tested, the platform can be suitable for onshore vibration tests of the same device in different states, flexible boundary conditions can be better simulated, and vibration isolation anti-impact effect is guaranteed.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic structural diagram of an angle of an adaptive flexible vibration isolation and impact resistance test platform according to an embodiment provided by the present application;
FIG. 2 is a schematic structural diagram of another angle of an adaptive flexible vibration isolation and impact resistance test platform according to an embodiment provided by the present application;
fig. 3 is a schematic structural diagram of an adaptive flexible vibration isolation and impact resistance test platform according to another embodiment provided in the present application.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:
100 platforms, 200 air spring shock absorbers, 300 air cylinders, 400 bases, 500 pressure sensors, 600 control valves, 700 limiters and 800 side bases;
101 rib plates, 102 face plates, 103 lightening holes, 201 shells, 202 deformation capsules and 203 pistons.
Detailed Description
In order to better understand the technical solutions described above, the technical solutions of the embodiments of the present application are described in detail below with reference to the drawings and the specific embodiments, and it should be understood that the specific features of the embodiments and the embodiments of the present application are detailed descriptions of the technical solutions of the embodiments of the present application, and are not limitations of the technical solutions of the present application, and the technical features of the embodiments and the embodiments of the present application may be combined with each other without conflict.
As shown in fig. 1 to 3, an embodiment of the present application provides an adaptive flexible vibration isolation and impact resistance test platform, including: a platform 100; an air spring damper 200, on which the platform 100 is disposed; an air cylinder 300 connected to the air spring damper 200; the base 400, and the air spring damper 200 are coupled to the base 400.
The utility model provides an anti test platform of anti shock of flexible vibration isolation of self-adaptation has included base 400, the air spring shock absorber 200 of setting above base 400 and the platform 100 of setting on air spring shock absorber 200, at the in-process of land vibration test, can be with the equipment setting of treating the experiment on platform 100, can simulate flexible boundary condition through air spring shock absorber 200, can avoid examining the vibration influence of check out test set's vibration to the regional ground of experiment through air spring shock absorber 200 simultaneously, can avoid other equipment in the experimental region to transmit the vibration volume to waiting to detect equipment through air spring shock absorber 200 separation simultaneously, realized that the anti reliability of having guaranteed land vibration test of vibration isolation.
The self-adaptive flexible vibration isolation anti-impact testing platform further comprises a gas cylinder 300 connected with the air spring shock absorber 200, gas can be injected into the air spring shock absorber 200 through the gas cylinder 300 to adjust the rigidity of the air spring shock absorber 200, and then the vibration isolation anti-impact capacity of the platform 100 can be adjusted, so that the frequency of the platform 100 can be adjusted, the self-adaptive flexible vibration isolation anti-impact testing platform can be suitable for tests of different devices to be tested, the self-adaptive flexible vibration isolation anti-impact testing platform can be suitable for onshore vibration tests of the same device in different states, flexible boundary conditions can be better simulated, and vibration isolation anti-impact effects are guaranteed.
The self-adaptive flexible vibration isolation anti-impact test platform provided by the embodiment of the application can perform displacement compensation and support rigidity adjustment according to the actual weight load of the equipment mounted on the platform 100, so that the mounting height of the test platform is constant, the height of a large unit comprising a condenser, an oil tank and the like is basically unchanged before and after liquid filling, and the mounting and debugging difficulty is reduced. Meanwhile, the inherent frequency of the elastic support of the test platform can be ensured to be basically unchanged, and the vibration isolation and impact resistance effects can be ensured to reach the design target.
Compared with the traditional fixed test platform, the self-adaptive flexible vibration isolation and impact resistance test platform provided by the embodiment of the application can ensure that the height of the test platform is constant when the variation amplitude of the load bearing is large, can greatly reduce the difficulty of displacement control in the installation and debugging process and simplifies the installation and debugging process flow; meanwhile, the natural frequency of the system is basically unchanged after the support stiffness adaptability is adjusted, and the vibration isolation and impact resistance effects can be guaranteed to reach the design target.
In one possible embodiment, air spring shock absorber 200 includes: a housing 201 connected to the base 400; the deformation capsule body 202 is arranged in the shell 201, and the gas cylinder 300 is communicated with the deformation capsule body 202; a piston 203, at least part of which 203 is arranged in the housing 201, the deformable bladder 202 abutting against the piston 203.
Air spring shock absorber 200 has included casing 201, deformation utricule 202 and piston 203, deformation utricule 202 communicates in gas cylinder 300, let in other volumes that can change deformation utricule 202 to deformation utricule 202 through gas cylinder 300, and then can change the position of piston 203, and then can adjust air spring shock absorber 200's rigidity, can adjust platform 100's vibration isolation anti-impact ability, make platform 100's frequency adjustable, can be applicable to the test of different equipment that awaits measuring, can be applicable to the land vibration test of same equipment under different states, can simulate flexible boundary condition better, vibration isolation anti-impact effect has been guaranteed.
At least part of the piston 203 is arranged in the shell 201, so that the air spring shock absorber 200 can be prevented from losing the lifting effect on the platform 100 due to the fact that the piston 203 is separated from the shell 201, and the safe and smooth operation of the land vibration test is guaranteed.
In a possible embodiment, the deformable bag 202 is made of rubber material, and an inflation nozzle is arranged on the deformable bag 202, and the inflation nozzle is communicated with the gas cylinder 300.
The deformable bladder 202 is made of a rubber material, so that the deformation performance of the deformable bladder 202 is improved, and the cost of the air spring shock absorber 200 can be reduced.
Through set up the charging connector on deformation utricule 202, be convenient for gas cylinder 300 to inject gas into deformation utricule 202, it can be understood that, in order to guarantee the stability of gaseous input, the charging connector can be one-way charging connector, and both charging connector only allows gaseous via deformation utricule 202 outside entering into deformation utricule 202 in.
In one possible embodiment, a protrusion is formed on one of the inner wall of the housing 201 and the piston 203, and a recess is formed on the other, the protrusion being adapted to be inserted into the recess.
One of the housing 201 and the piston 203 is provided with a convex part, and the other one is provided with a concave part, so that the piston 203 and the housing 201 are provided with a plug connection relationship, the piston 203 can be vertically positioned through the arrangement of the convex part and the concave part, and the piston 203 is prevented from unexpected displacement.
In one possible implementation, the platform 100 includes: a rib plate 101; a face plate 102 connected to the rib plate 101; lightening holes 103 are formed in the face plate 102 and/or the rib plate 101.
The platform 100 comprises the rib plate 101 and the panel 102, the mechanical strength of the platform 100 is guaranteed through the arrangement of the rib plate 101 and the panel 102, and the rib plate 101 can be welded to the air spring shock absorber 200, so that the connection between the platform 100 and the air spring shock absorber 200 is tighter, and the vibration isolation and impact resistance of the self-adaptive flexible vibration isolation and impact resistance test platform can be improved.
Lightening holes 103 are formed in the panel 102 and/or the rib plate 101, so that the weight of the platform 100 is reduced, and the construction and transportation of the self-adaptive flexible vibration isolation and impact resistance test platform are facilitated.
In a possible embodiment, the adaptive flexible vibration isolation and impact resistance test platform further comprises: a pressure sensor 500 disposed between the air spring damper 200 and the platform 100; a control valve 600 provided on a passage between the gas cylinder 300 and the air spring damper 200; a controller connected to the pressure sensor 500 and the control valve 600 for controlling the opening of the control valve 600 based on the detection result of the pressure sensor 500; and the exhaust pipeline is communicated with the gas cylinder 300 through the control valve 600.
The self-adaptive flexible vibration isolation and impact resistance test platform further comprises a pressure sensor 500, a control valve 600, a controller and an exhaust pipeline, the pressure applied to the air spring shock absorber 200 by the platform 100 and the equipment to be tested on the platform 100 can be detected through the arrangement of the pressure sensor 500, and then the controller can adjust the opening degree of the control valve 600 based on the detection result of the pressure sensor 500, if the pressure result detected by the pressure sensor 500 is larger, the control valve 600 can be controlled to conduct the air cylinder 300 and the air spring shock absorber 200, so that the gas in the air cylinder 300 is introduced into the air spring shock absorber 200 to increase the rigidity of the air spring shock absorber 200; when the pressure result detected by the pressure sensor 500 is smaller, it indicates that the weight of the device to be tested disposed on the platform 100 is lighter, and in this case, the control valve 600 may be controlled to be opened to the exhaust port to allow the air spring damper 200 to be depressurized, thereby reducing the stiffness of the air spring damper 200. The rigidity of the air spring shock absorber 200 can be adjusted by the controller and the control valve 600, so that the platform 100 is in relatively uniform frequency, the flexible boundary condition can be better simulated, the self-adaptive flexible vibration isolation anti-impact test platform can be suitable for tests of different devices to be tested, the self-adaptive flexible vibration isolation anti-impact test platform can be suitable for onshore vibration tests of the same device in different states, the flexible boundary condition can be better simulated, and the vibration isolation anti-impact effect is ensured.
In some examples, the pressure sensor 500 may be a piezo-electric sheet type force sensor electrically connected to the controller through a cable, which can improve the service life of the pressure sensor 500 on one hand, and facilitate the controller to quickly and accurately obtain the detection result of the pressure sensor 500 on the other hand.
The self-adaptive flexible vibration isolation and impact resistance test platform provided by the embodiment of the application has self-adaptive energy-saving capacity for bearing deformation. In the installation and debugging process of the test equipment, when the load change amplitude is large due to the conditions of liquid filling and the like, the deformation capsule 202 in the air spring shock absorber 200 is inflated and deflated for adjustment according to the bearing capacity data detected by the piezoelectric sheet type force sensor in real time, and the deformation is adjusted by changing the air pressure, so that the deformation change caused by the load change is compensated, the constant deformation of the bearing is realized, and the difficulty of the installation and debugging of the equipment can be reduced.
Second, the present embodiments have the ability to keep the natural frequency substantially constant. When the load of the test equipment is changed in a large range, the natural frequency deviates from the design point due to the mass change of the vibration system, the supporting rigidity of the air spring shock absorber 200 can be basically ensured to be changed synchronously with the load of the test equipment by adjusting the air pressure in the air spring shock absorber, and the natural frequency can be basically constant by matching the supporting rigidity and the load of the test equipment, so that the vibration isolation and impact resistance effects of the test platform are ensured.
In one possible embodiment, there are a plurality of air spring dampers 200, one controller is connected to each air spring damper 200, and each air spring damper 200 is communicated with one air cylinder 300.
The air spring dampers 200 are plural, and the platform 100 is supported by the plural air spring dampers 200 together, so that the vibration isolation and impact resistance effects of the platform 100 are better. Each air spring shock absorber 200 is connected with a controller and an air bottle 300, so that the rigidity of each air spring shock absorber 200 can be independently controlled, the self-adaptive flexible vibration isolation and impact resistance test platform can be in different rigidity states, and the application range of the self-adaptive flexible vibration isolation and impact resistance test platform can be enlarged.
In one possible embodiment, there are a plurality of air spring dampers 200, a plurality of air spring dampers 200 are connected to the same controller, and a plurality of air spring dampers 200 are connected to the same air cylinder 300.
The air spring dampers 200 are plural, and the platform 100 is supported by the plural air spring dampers 200 together, so that the vibration isolation and impact resistance effects of the platform 100 are better. The air spring absorbers 200 share one air bottle 300 and one controller, so that the air spring absorbers 200 can be synchronously adjusted, and the adjusting efficiency of the self-adaptive flexible vibration isolation and impact resistance test platform can be improved.
In one possible embodiment, an inert gas is stored within cylinder 300.
Inert gas is stored in the gas cylinder 300, so that the flexible vibration isolation and impact resistance test platform is suitable to work more safely.
In a possible embodiment, the adaptive flexible vibration isolation and impact resistance test platform further comprises: a stopper 700 disposed on the peripheral side of the platform 100; the side base 800 is connected to an end of the stop 700 away from the platform 100.
The self-adaptive flexible vibration isolation and impact resistance test platform further comprises a limiting stopper 700 and a side-mounted base 800, the limiting stopper 700 is arranged on the periphery of the platform 100, the limiting effect can be achieved on the platform 100, when the platform 100 generates displacement in the horizontal direction, the limiting stopper 700 can be preferentially contacted with obstacles or equipment, and the effect of protecting the platform 100 can be achieved. And the stopper 700 is provided with the side base 800, and the side base 800 can be fixedly connected with other equipment or a wall body, so that the platform 100 can be fixed in a certain direction, and the self-adaptive flexible vibration isolation anti-impact test can be suitable for different working scenes.
It is understood that the stopper 700 may be plural and the side base 800 may be detachably coupled to the stopper 700.
In some examples, platform 100 is square and 4 stops 700 are disposed at corners of platform 100. The position of four corners of the platform 100 is provided with a position limiter 700, which can limit when bearing impact load in any direction in the horizontal plane.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a flexible vibration isolation of self-adaptation is anti dashes test platform which characterized in that includes:
a platform;
an air spring damper, said platform disposed on said air spring damper;
the air cylinder is connected with the air spring shock absorber;
a base, the air spring damper being connected to the base.
2. The adaptive flexible vibration isolation and impact testing platform of claim 1, wherein said air spring damper comprises:
a housing connected to the base;
the deformation bag body is arranged in the shell, and the gas cylinder is communicated with the deformation bag body;
the piston is at least partially arranged in the shell, and the deformable capsule body is abutted to the piston.
3. The adaptive flexible vibration isolation and impact testing platform of claim 2,
the deformation utricule is made by rubber materials, be provided with the charging connector on the deformation utricule, the charging connector communicate in the gas cylinder.
4. The adaptive flexible vibration isolation and impact testing platform of claim 2,
one of the inner wall of the shell and the piston is provided with a convex part, the other one is provided with a concave part, and the convex part is used for being inserted into the concave part.
5. The adaptive flexible vibration isolation and impact testing platform of claim 1, wherein the platform comprises:
a rib plate;
the panel is connected to the rib plate;
and the lightening holes are formed in the panel and/or the rib plates.
6. The adaptive flexible vibration isolation and impact testing platform according to any one of claims 1 to 5, further comprising:
a pressure sensor disposed between the air spring damper and the platform;
a control valve provided on a passage between the gas cylinder and the air spring damper;
a controller connected to the pressure sensor and the control valve, for controlling an opening degree of the control valve based on a detection result of the pressure sensor;
and the exhaust pipeline is communicated with the gas cylinder through the control valve.
7. The adaptive flexible vibration isolation and impact testing platform of claim 6,
the air spring shock absorbers are multiple in number, each air spring shock absorber is connected with one controller, and each air spring shock absorber is communicated with one air bottle.
8. The adaptive flexible vibration isolation and impact testing platform of claim 6,
the air spring shock absorbers are connected with the same controller, and each air spring shock absorber is communicated with the same air bottle.
9. The adaptive flexible vibration isolation and impact testing platform according to any one of claims 1 to 5,
and inert gas is stored in the gas cylinder.
10. The adaptive flexible vibration isolation and impact testing platform according to any one of claims 1 to 5, further comprising:
a stopper disposed on a peripheral side of the platform;
and the side-arranged base is connected to one end, far away from the platform, of the limiting stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123040852.8U CN216386206U (en) | 2021-12-06 | 2021-12-06 | Self-adaptive flexible vibration isolation and impact resistance test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123040852.8U CN216386206U (en) | 2021-12-06 | 2021-12-06 | Self-adaptive flexible vibration isolation and impact resistance test platform |
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| Publication Number | Publication Date |
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| CN216386206U true CN216386206U (en) | 2022-04-26 |
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| CN202123040852.8U Active CN216386206U (en) | 2021-12-06 | 2021-12-06 | Self-adaptive flexible vibration isolation and impact resistance test platform |
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2021
- 2021-12-06 CN CN202123040852.8U patent/CN216386206U/en active Active
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