CN113799820A - Vibration damping floor, assembly, rail vehicle and control method - Google Patents
Vibration damping floor, assembly, rail vehicle and control method Download PDFInfo
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- CN113799820A CN113799820A CN202111276076.3A CN202111276076A CN113799820A CN 113799820 A CN113799820 A CN 113799820A CN 202111276076 A CN202111276076 A CN 202111276076A CN 113799820 A CN113799820 A CN 113799820A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000013016 damping Methods 0.000 title claims description 128
- 230000009467 reduction Effects 0.000 claims abstract description 64
- 238000001514 detection method Methods 0.000 claims description 18
- 230000007423 decrease Effects 0.000 claims description 6
- 238000009408 flooring Methods 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 7
- 230000003044 adaptive effect Effects 0.000 abstract description 3
- 239000006096 absorbing agent Substances 0.000 description 5
- 238000005034 decoration Methods 0.000 description 5
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- 230000033001 locomotion Effects 0.000 description 3
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- 239000003638 chemical reducing agent Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/10—Floors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/027—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means comprising control arrangements
- F16F15/0275—Control of stiffness
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Abstract
The invention relates to the technical field of floor vibration reduction, in particular to a vibration reduction floor, a component, a rail vehicle and a control method. The control unit fills and deflates the vibration reduction air bag through the air passage according to the bearing pressure of the floor, active adaptive adjustment of the self rigidity of the vibration reduction element is realized, and the vibration transmitted to the floor by the vehicle body is reduced, so that the high-efficiency vibration reduction requirement of the floor under different loads is realized, the vibration radiation noise of the floor is further reduced, the high-efficiency noise control in the carriage is realized, and the riding comfort is improved.
Description
Technical Field
The invention relates to the technical field of floor vibration reduction, in particular to a vibration reduction floor, a vibration reduction assembly, a rail vehicle and a control method.
Background
When the railway vehicle runs, the vibration of the bogie can be transmitted to the floor of the vehicle body and further transmitted to the interior floor through the support seat of the interior floor, and then the noise is radiated into a carriage through the vibration of the interior floor. To reduce noise in the vehicle interior, the interior floor is generally installed on the vehicle body floor in a vibration damping manner. At present, the common vibration reduction supporting structure for the interior decorative floor of the railway vehicle is mainly various types of rubber vibration absorbers, and different vibration reduction frequency characteristics are realized through structural design. There are mainly the following problems:
(1) for the interior floor vibration absorber, generally, engineering pursues lower effective vibration attenuation frequency, the rubber vibration absorber is limited by physical characteristics, the lower vibration attenuation frequency causes larger deformation of the vibration absorber, so that the floor sinking amount is larger, the requirement of small deformation of the interior floor in engineering cannot be met, and contradiction exists between the requirement and noise control in a carriage.
(2) Because the number of passengers on the railway vehicle changes greatly, the bearing weight of the interior floor changes greatly, and the traditional elastic vibration absorber can show different vibration attenuation frequency characteristics when bearing different loads, cannot be efficiently matched with the required vibration attenuation characteristics of an interior floor system, influences the vibration attenuation efficiency of the interior floor, and cannot realize high-efficiency noise control in a carriage.
Disclosure of Invention
The invention provides a vibration reduction floor, a component, a rail vehicle and a control method, which are used for solving the defects that the floor in the prior art adopts a rubber vibration reducer to difficultly meet the vibration reduction requirement of small deformation and the vibration noise is difficult to control because the traditional floor can not adjust different vibration reduction frequencies according to the pressure of the traditional floor, and achieve the purposes of actively reducing vibration of the floor and effectively controlling the vibration noise of the floor.
The invention provides a vibration damping floor, comprising:
the floor comprises a floor body, a plurality of air channels and a plurality of air channels, wherein the floor body is suitable for being laid on an underframe;
the pressure detection element is suitable for detecting the pressure applied to the floor body;
and the control unit is respectively connected with the pressure detection element and the air path and is used for controlling the air path to inflate and deflate the vibration reduction air bag according to the pressure measured by the pressure detection element.
According to the vibration reduction floor provided by the invention, the air path comprises an air pump and a pipeline, the air pump is connected with the vibration reduction air bag through the pipeline, the air pump is connected with the control unit, and the control unit controls the air pump to inflate and deflate the vibration reduction air bag.
According to the vibration damping floor provided by the invention, the pipelines comprise a main air pipeline and a plurality of branch air pipelines, the main air pipeline is connected with the air pump, and the branch air pipelines are correspondingly connected with the vibration damping air bags one by one.
According to the damping floor provided by the invention, the branch gas pipeline is provided with the gas valve, and the control unit charges and deflates the damping air bag by controlling the opening and closing of the gas valve.
According to the vibration damping floor provided by the invention, the vibration damping element further comprises a first mounting seat and a second mounting seat which are arranged on two opposite sides of the vibration damping air bag, the first mounting seat is connected with the floor body, and the second mounting seat is connected with the underframe.
According to the vibration reduction floor provided by the invention, the bottom of each floor body is provided with four vibration reduction units, and the four vibration reduction units are arranged at the four corners of the bottom of the floor body.
According to the vibration reduction floor provided by the invention, six vibration reduction units are arranged at the bottom of each floor body, wherein four vibration reduction units are arranged at four corners of the bottom of the floor body, and two vibration reduction units are arranged on the central axis of the floor body.
Further, the invention provides a vibration damping floor assembly, which comprises a plurality of vibration damping floors as described above, wherein the plurality of vibration damping floors are spliced on the same plane.
Further, the present invention provides a rail vehicle that is paved with the vibration damping floor assembly as described above.
Further, the present invention also provides a vibration damping floor control method, comprising:
acquiring the pressure of the floor body;
controlling the air path to inflate and deflate the vibration reduction air bag based on the pressure of the floor body;
the air path is controlled to inflate the vibration reduction air bag based on the increase of the pressure borne by the floor body, and the air path is controlled to deflate the vibration reduction air bag based on the decrease of the pressure borne by the floor body.
According to the vibration damping floor provided by the invention, the vibration damping element is arranged between the bottom of the floor body and the underframe, the vibration damping element is provided with the vibration damping air bag, the vibration damping air bag is connected with the air passage, the pressure on the floor body is detected through the pressure detection element, the control unit is respectively connected with the pressure detection element and the air passage, and the air passage is controlled to inflate and deflate the vibration damping air bag by utilizing the control unit according to the pressure detected by the pressure detection element, so that the active adaptive adjustment of the self rigidity of the vibration damping element is realized, and the active vibration damping effect of the floor is realized. The damping element realizes the damping requirement of the floor under different loads, reduces the vibration transmitted from the vehicle body to the floor, improves the damping efficiency of the floor, further reduces the vibration radiation noise of the floor, and realizes the high-efficiency noise control in the carriage.
Furthermore, the vibration damping floor assembly provided by the invention comprises a plurality of vibration damping floors as described above, and the plurality of vibration damping floors are spliced on the same plane. According to the damping floor assembly, the damping floors are taken as independent units, different damping frequencies can be arranged among the floors, different requirements of different required damping rigidity of personnel loads in different areas of the floors are met, and further fine control of regional noise in a carriage is facilitated. Through the active adjustment of the supporting rigidity of the vibration reduction air bags below the floors, the transmission of the vibration of the vehicle body to the interior floor under different load working conditions of the interior floor is reduced, the vibration radiation noise of the interior floor is reduced, and the reduction of the noise in the railway vehicle is facilitated. The floor board can be prevented from sinking greatly when the local floor board bears a large load, basically, the same sinking amount of the built-in floor boards can be realized when different loads are carried, and the quality problems caused by the floor board sinking greatly, such as floor board looseness, floor cloth degumming bulge and the like, caused by the relative motion of two floor boards at the lap joint of the adjacent floor boards are effectively avoided.
Further, the rail vehicle provided by the invention is paved with the vibration damping floor, so that the rail vehicle also has the advantages as described above.
Furthermore, according to the vibration damping floor control method provided by the invention, the vibration damping air bag is arranged between the floor body and the underframe and is connected with the air passage to obtain the pressure of the floor body, and the air passage is controlled to charge and discharge the vibration damping air bag based on the pressure of the floor body; the control gas circuit inflates the vibration reduction air bag based on the pressure increase of the floor body, deflates the vibration reduction air bag based on the pressure decrease of the floor body, realizes active vibration reduction adjustment of the floor and has the advantages.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a vibration-damping floor provided by the present invention;
FIG. 2 is an enlarged view of a single side of the vibration damping floor provided by the present invention;
FIG. 3 is a top view of the vibration dampening flooring assembly provided by the present invention;
FIG. 4 is a flow chart of a method of controlling a vibration dampening floor provided by the present invention;
reference numerals:
1: a damping element; 11: a vibration-damping air bag; 12: a first mounting seat;
13: a second mounting seat; 2: a floor body; 21: floor joints;
3: a chassis; 4: a pipeline; 5: an air pump;
6: a vehicle body; 7: a pressure detecting element.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, the embodiment of the invention provides a vibration damping floor, which is preferably applied to a rail vehicle, and specifically comprises a floor body 2, wherein the floor body 2 is an interior floor inside the rail vehicle, the floor body 2 is laid on an underframe 3, the underframe 3 is a bottom plate of a vehicle body 6 of the rail vehicle, and the interior floor is mounted on a vehicle body bottom plate. A damping element 1 is arranged between the bottom of the floor body 2 and the underframe 3, the damping element 1 is provided with a damping air bag 11, and the damping air bag 11 is connected with an air passage. The air passage is used for charging and discharging the damping air bag 11 so as to control the air pressure of the damping air bag 11, correspondingly, the supporting rigidity of the damping air bag 11 with large air pressure is high, and conversely, the supporting rigidity of the damping air bag 11 with small air pressure is low, so that the supporting rigidity of the damping air bag 11 can be actively adjusted according to actual requirements, the adjustable elastic support for the decorative floor is realized, and the active damping effect is achieved.
Specifically, in one embodiment, the air path includes an air pump 5 and a pipeline 4, the air pump 5 is installed at the bottom of the chassis 3, the air pump 5 is connected to the vibration-damping air bag 11 through the pipeline 4, and the vibration-damping air bag 11 is inflated or deflated by the air pump 5, so that the vibration-damping element 1 supports the floor body 2. Further, the pipeline 4 comprises a main gas pipeline and a plurality of branch gas pipelines, the output end of the air pump 5 is connected with the main gas pipeline, the main gas pipeline is connected with the plurality of branch gas pipelines, and the plurality of branch gas pipelines are connected with the plurality of vibration reduction air bags 11 in a one-to-one correspondence manner. Each branch gas pipeline is provided with a gas valve which can adopt an electromagnetic valve, namely, each damping air bag 11 is correspondingly provided with an electromagnetic valve, so that the damping air bags 11 can be inflated and deflated by controlling the opening and closing of the electromagnetic valves.
In this embodiment, still be equipped with the pressure detection component 7 that is used for detecting floor body 2 and bears pressure, pressure detection component 7 can be multiple types such as foil gage sensor, pressure sensor, and is preferred, and pressure detection component 7 chooses for use pressure sensor, and pressure sensor installs in floor body 2's lower surface, can real-time detection floor body 2 bear pressure, and its quantity, position are according to demand actual design.
In this embodiment, the air path is connected to a control unit, the control unit includes a processor and a controller, and the control unit is connected to the pressure detecting element 7 and the air path respectively, and is configured to control the air path to inflate and deflate the damping airbag 11 according to the pressure detected by the pressure detecting element 7. Specifically, the input end of the control unit is connected with the pressure detection element 7, the input end of the control unit is connected with the gas circuit, the pressure detection element 7 transmits the detected pressure information of the floor body 2 to the control unit, and the control unit adaptively inflates or deflates the vibration reduction air bag 11 according to the calculation control gas circuit, so that the support rigidity of the vibration reduction element 1 is adjusted, the rigidity of the vibration reduction element 1 can be actively and adaptively adjusted according to different pressures borne by the floor body 2, and active vibration reduction adjustment is realized.
Further, in a specific embodiment, a first mounting seat 12 is further disposed between the damping airbag 11 and the floor body 2, so as to ensure the stability of the connection between the damping airbag 11 and the floor body 2, and a second mounting seat 13 is disposed between the damping airbag 11 and the underframe 3, so as to ensure the stability of the connection between the damping airbag 11 and the underframe 3. The first and second mounting seats 12, 13 serve an effective function for mounting and stabilizing the damping element 1.
According to one embodiment of the invention, four damping units 1 are arranged at the bottom of each floor body 2, and the four damping units 1 are arranged at the four corners of the bottom of each floor body 2, so that the floor bodies 2 are stably supported. The damping airbags 11 of the four damping units can be controlled independently, the inflation and deflation values can be different, and the damping airbags can be adjusted correspondingly under the condition that the local pressure of the floor body 2 is increased. For example, when the number of people on one side of the floor body 2 in the carriage is increased, the pressure on one side of the floor body 2 is increased, the relative pressure on the other side is lower, and at the moment, the damping airbag 11 corresponding to the side with the higher pressure is inflated properly to improve the supporting rigidity of the damping airbag 11; when the personnel of 2 one sides on the floor body are less and the pressure that bears reduces, the damping gasbag 11 of this department can suitably be deflated, reduces the support rigidity of this department damping gasbag 11, improves the damping effect of this department, fills through the different of a plurality of damping gasbags 11 in 2 below on the same floor body and fills the gassing and carry out differentiation adjustment, adjusts the support rigidity adaptability of floor body 2, guarantees that the floor is whole to be supported steadily to inside stationarity and travelling comfort in carriage have been guaranteed.
Further, for a floor body 2 with a large area, six damping units 1 may be provided, wherein four damping units 1 are arranged at the four corners of the bottom of the floor body 2, and the other two damping units 1 are arranged on the central axis of the floor body 2. Of course, the structure, number and position of the damping elements 1 can be customized and matched according to the space, structure and bearing requirements of the vehicle.
Moreover, compared with the existing rubber pad, the vibration reduction airbag has lower vibration reduction frequency, reduces the transmission of the vibration of the vehicle body to the interior decoration floor under different load working conditions of the interior decoration floor, reduces the vibration radiation noise of the interior decoration floor, and is beneficial to reducing the noise in the railway vehicle.
In a specific embodiment, the pressure value provided by the floor body 2 to the damping airbag 11 when the floor body 2 is empty is used as a preset pressure value, the preset pressure value is used for elastic support of the floor body 2 when the floor body 2 is empty, the bearing pressure of the floor body 2 increases with the increase of people on the floor body 2, the pressure detection element 7 transmits the increased pressure value information to the control unit, the control unit calculates the elastic air pressure value to be increased, and controls the air pump 5 and the air valve to inflate the damping airbag 11 below the floor body 2, the process is relatively gentle, the elastic supporting force is provided for the floor body 2 under the condition that the floor body 2 is heavy and sinks, when the people on the floor body 2 decreases and the bearing pressure of the floor body 2 decreases, the control unit controls the air pump 5 and the air valve to deflate the damping airbag 11 below the floor body 2 to reduce the rebound of the floor body 2, the floor body 2 is ensured to be in a relatively stable elastic moving range as much as possible, and the vibration reduction efficiency is improved.
It should be noted that, the amount of inflation and deflation of the damping air bag 11 is small, and the height change of the damping air bag 11 is very small, for example, only 0.5mm to 1mm, which does not cause the floor body 2 to descend or rise significantly, and thus does not affect the movement of people in the vehicle cabin.
The embodiment realizes the damping requirements of the floor in the vehicle under different load conditions through the damping element 1 with the damping air bag 11, thereby being beneficial to reducing the vibration noise radiation of the floor and reducing the noise in the carriage. The control unit fills and deflates the vibration reduction air bag through the air passage to realize active vibration reduction, and the rigidity of the vibration reduction element 1 can be actively and adaptively adjusted according to different floor pressures, so that the high-efficiency vibration reduction requirement of the floor body 2 under different supporting loads is realized, the vibration transmitted from the vehicle body to the floor is reduced, the floor vibration radiation noise is reduced, and the high-efficiency noise control in the carriage is realized.
An embodiment of the present invention further provides a vibration damping floor assembly, as shown in fig. 3, the vibration damping floor assembly includes a plurality of vibration damping floors according to the above embodiments, and the plurality of vibration damping floors are spliced on the same plane. In the long direction of automobile body 6, can arrange polylith floor body 2 according to the design, the adjacent concatenation setting of polylith floor body 2 forms floor seam 21 between the adjacent floor body 2. Each floor body 2 is an independent active vibration reduction unit, the air pressure values of the vibration reduction air bags 11 of the same floor body 2 can be the same or different, so that different bearing conditions of different areas in the vehicle body 6 are adapted to be different, different vibration reduction air bags 11 are arranged on floors of different areas, and the vibration reduction efficiency of the interior decoration floors of different areas is improved.
An active vibration damping control program is arranged in the control unit, and when the floor body 2 works, the air pressure value of the vibration damping air bag 11 is set to be a preset value according to the bearing pressure of the floor body 2 in the no-load state of the vehicle, so that the floor body 2 is supported. When a person enters the carriage, the stress condition of the floor body 2 changes, the pressure detection element 7 detects the stress change and the load size of the floor body 2, data are transmitted to the control unit, the control unit controls the air pump 5 and the air valve to adjust and output rigidity air pressure required by the vibration reduction air bag 11, and compressed air is transmitted to the vibration reduction air bag 11 through the pipeline 4, so that the rigidity adjustment of the vibration reduction air bag 11 required by the working condition is realized, the vibration transmitted from the floor of the vehicle body to the built-in floor is controlled according to the bearing condition of the built-in floor, and the noise in the carriage is ensured to be maintained at a better level.
The damping floor subassembly that this embodiment provided, with a plurality of damping floors as independent unit, can realize different damping frequency settings between each floor, satisfied the different needs that the required damping frequency is different of the different regional personnel load in floor, and then be favorable to regional noise fine control in the carriage. Through the active adjustment of the support rigidity of each floor, the situation that the floor sinks greatly when the local floor bears a large load can be avoided, the situation that the built-in floors sink the same when bearing different loads is basically realized, the floor joints 21 are ensured to be consistent as much as possible, and the quality problems caused by the floor sinking greatly, such as the loosening of the floor, the degumming and the swelling of floor cloth, and the like caused by the relative movement of two floors at the lap joint of the adjacent floors are effectively avoided.
The present embodiment further provides a railway vehicle, as shown in fig. 1 to fig. 3, wherein the damping floor according to the above embodiment is laid on the railway vehicle, and the railway vehicle also has the advantages mentioned in the above embodiment that the requirement of damping rigidity under different supporting loads of the floor active damping and the interior floor is met, and the floor vibration noise radiation is reduced, the noise in the vehicle cabin is reduced, and the efficient noise control in the vehicle cabin is realized. The rail vehicle can also be provided with the damping floor assembly mentioned in the above embodiments, and also has the function of active support rigidity adjustment according to different floor loads.
As shown in fig. 4, the present embodiment further provides a vibration damping floor control method, including the following steps:
firstly, a damping element 1 with a damping air bag 11 is arranged between a floor body 2 and an underframe 3, and the damping air bag 11 is connected with an air path;
in the step, the air path comprises an air pump 5 and a pipeline 4, the air pump 5 is installed at the bottom of the bottom frame 3, the air pump 5 is connected with the vibration reduction air bag 11 through the pipeline 4, the vibration reduction air bag 11 is inflated or deflated through the air pump 5, and the vibration reduction element 1 is used for supporting the floor body 2. Furthermore, air valves can be arranged on the branch air pipelines of the pipeline 4, the air valves adopt electromagnetic valves, and each damping air bag 11 is correspondingly provided with one air valve, so that the damping air bags 11 can be inflated and deflated by controlling the opening degree of the air valves.
After the installation step is completed, the following operation steps are carried out:
step 1: acquiring the pressure of the floor body 2;
in this step, a pressure detecting element 7 for detecting the bearing pressure of the floor body 2 is mounted on the lower surface of the floor body 2.
Step 2: a control unit is arranged, and the control unit controls the air path to inflate and deflate the vibration reduction air bag 11 based on the pressure of the floor body 2;
in the step, the control unit comprises a processor and a controller, a control algorithm is arranged in the control unit, and the control unit is respectively connected with the pressure detection element 7 and the gas path and is used for controlling the gas path to inflate and deflate the vibration reduction air bag 11 according to the pressure measured by the pressure detection element 7.
The control unit controls the air path to inflate the vibration reduction air bag 11 based on the pressure increase of the floor body 2, and controls the air path to deflate the vibration reduction air bag 11 based on the pressure decrease of the floor body 2.
In the method for controlling the vibration damping floor provided by the embodiment, the control unit controls adaptive inflation and deflation of the air passage to the vibration damping air bag 11 according to the pressure change of the interior decoration floor, so as to realize active vibration damping adjustment of the floor, and the method also has all the advantages of the three embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A vibration dampening floor comprising:
the floor comprises a floor body, a plurality of air channels and a plurality of air channels, wherein the floor body is suitable for being laid on an underframe;
the pressure detection element is suitable for detecting the pressure applied to the floor body;
and the control unit is respectively connected with the pressure detection element and the air path and is used for controlling the air path to inflate and deflate the vibration reduction air bag according to the pressure measured by the pressure detection element.
2. The vibration damping floor according to claim 1, wherein the air path comprises an air pump and a pipeline, the air pump is connected with the vibration damping air bag through the pipeline, the air pump is connected with the control unit, and the control unit controls the air pump to inflate and deflate the vibration damping air bag.
3. The vibration damping floor according to claim 2, wherein the pipe line includes a main air line connected to the air pump and a plurality of branch air lines connected to the plurality of vibration damping airbags in a one-to-one correspondence.
4. The vibration damping floor according to claim 3, wherein an air valve is arranged on the branch air pipeline, and the control unit charges and deflates the vibration damping air bag by controlling the opening and closing of the air valve.
5. The vibration floor as claimed in any one of claims 1 to 4 wherein the vibration reduction element further comprises a first mounting seat and a second mounting seat disposed on opposite sides of the vibration reduction bladder, the first mounting seat being connected to the floor body and the second mounting seat being connected to the underframe.
6. The vibration damping floor according to any one of claims 1 to 4 wherein four vibration damping units are provided at the bottom of each of the floor bodies, and four vibration damping units are provided at four corners of the bottom of the floor body.
7. The vibration damping floor according to any one of claims 1 to 4, wherein six vibration damping units are provided at the bottom of each floor body, wherein four vibration damping units are provided at four corners of the bottom of the floor body, and two vibration damping units are provided on a central axis of the floor body.
8. A vibration-damping flooring assembly comprising a plurality of vibration-damping floorboards as claimed in any one of claims 1 to 7, wherein the plurality of vibration-damping floorboards are joined to each other in a single plane.
9. A rail vehicle, characterized in that a vibration-damped floor assembly according to claim 8 is laid.
10. A method of controlling a vibration-damping floor according to any one of claims 1 to 7, comprising:
acquiring the pressure of the floor body;
controlling the air path to inflate and deflate the vibration reduction air bag based on the pressure of the floor body;
the air path is controlled to inflate the vibration reduction air bag based on the increase of the pressure borne by the floor body, and the air path is controlled to deflate the vibration reduction air bag based on the decrease of the pressure borne by the floor body.
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| CN202111276076.3A CN113799820A (en) | 2021-10-29 | 2021-10-29 | Vibration damping floor, assembly, rail vehicle and control method |
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| CN202111276076.3A CN113799820A (en) | 2021-10-29 | 2021-10-29 | Vibration damping floor, assembly, rail vehicle and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114407947A (en) * | 2022-01-19 | 2022-04-29 | 中车青岛四方机车车辆股份有限公司 | Railway vehicle floor and railway vehicle |
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| SU732157A1 (en) * | 1978-11-24 | 1980-05-05 | Коломенский Тепловозостроительный Завод Им. В.В.Куйбышева | Floor of passenger vehicle |
| JPH09216561A (en) * | 1996-02-14 | 1997-08-19 | Nippon Sharyo Seizo Kaisha Ltd | Floor structure of railway rolling stock |
| CN105365835A (en) * | 2015-11-25 | 2016-03-02 | 长春轨道客车股份有限公司 | Novel high-speed train shock-absorption and noise-reduction floor structure |
| CN206758214U (en) * | 2017-04-24 | 2017-12-15 | 北安变压器（天津）股份有限公司 | A kind of denoising structure for dry-type transformer |
| CN209667085U (en) * | 2019-01-09 | 2019-11-22 | 中车青岛四方机车车辆股份有限公司 | Floor of railway vehicle mounting structure and rail vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114407947A (en) * | 2022-01-19 | 2022-04-29 | 中车青岛四方机车车辆股份有限公司 | Railway vehicle floor and railway vehicle |
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Application publication date: 20211217 |