CN116857313B - Damping-adjustable vibration-damping energy-consuming mechanism - Google Patents
Damping-adjustable vibration-damping energy-consuming mechanism Download PDFInfo
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- 238000013016 damping Methods 0.000 title claims abstract description 98
- 230000007246 mechanism Effects 0.000 title claims abstract description 23
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- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 17
- 239000012530 fluid Substances 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims abstract description 5
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- 238000005265 energy consumption Methods 0.000 claims abstract description 4
- 210000000078 claw Anatomy 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 230000001629 suppression Effects 0.000 abstract description 4
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/38—Covers for protection or appearance
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
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Abstract
本发明涉及精密结构振动抑制技术领域，尤其涉及一种可调节阻尼的减振耗能机构，包括装有阻尼液的阻尼腔体、用于控制阻尼大小的内压调节结构以及传递外部振动的外部端盖结构；其中，内压调节结构包围在阻尼腔体外侧，旋动内压调节结构中的螺杆带动阻尼腔体做拉伸和压缩运动，改变阻尼腔体内部压强，实现阻尼的调节；外部端盖结构包围在内压调节结构外侧并与内压调节结构接触，当外部端盖结构受到外界振动时带动阻尼腔体中的阻尼液流动，进而实现耗能减振。
The invention relates to the technical field of precision structure vibration suppression, and in particular to a vibration reduction and energy dissipation mechanism with adjustable damping, which includes a damping cavity filled with damping fluid, an internal pressure adjustment structure for controlling the damping size, and an external device for transmitting external vibrations. End cover structure; wherein, the internal pressure adjustment structure is surrounded on the outside of the damping cavity, and rotating the screw in the internal pressure adjustment structure drives the damping cavity to perform stretching and compression movements, changing the internal pressure of the damping cavity to achieve damping adjustment; external The end cover structure surrounds the outside of the internal pressure adjustment structure and is in contact with the internal pressure adjustment structure. When the external end cover structure is subjected to external vibration, it drives the damping fluid in the damping cavity to flow, thereby achieving energy consumption and vibration reduction.
Description
技术领域Technical field
本发明涉及精密结构振动抑制技术领域，尤其涉及一种可调节阻尼的减振耗能机构。The invention relates to the technical field of vibration suppression of precision structures, and in particular to a vibration reduction and energy dissipation mechanism with adjustable damping.
背景技术Background technique
目前特定环境下对目标的振动抑制是保证其能在额定时间正常工作的关键，随着对空间望远镜成像质量要求的提高，空间望远镜的口径和体积越来越大，对稳定性的要求也越来越高。望远镜上的各种活动机构产生的微振动也成为了对稳定性影响较大的因素。这种微振动通常具有振动幅值低，频率分布宽泛的特点。为抑制宽频噪声对结构指向稳定度及精度的影响，需设计一种可以对微振动响应快速且可调阻尼的液体阻尼器。这也是空间望远镜微振动总体抑制技术中的重要一环。At present, the vibration suppression of the target in a specific environment is the key to ensuring that it can work normally at the rated time. With the improvement of the imaging quality requirements of space telescopes, the diameter and volume of space telescopes are getting larger and larger, and the requirements for stability are also getting higher and higher. Come higher and higher. The micro-vibrations produced by various movable mechanisms on the telescope have also become a factor that has a greater impact on stability. This kind of micro-vibration usually has the characteristics of low vibration amplitude and wide frequency distribution. In order to suppress the impact of broadband noise on the pointing stability and accuracy of the structure, it is necessary to design a liquid damper that can respond quickly to micro-vibrations and has adjustable damping. This is also an important part of the overall micro-vibration suppression technology for space telescopes.
发明内容Contents of the invention
本发明为解决上述问题，提供一种可调节阻尼的减振耗能机构，外界的振动通过外部端盖结构的传递会带动外部端盖结构与内压调节结构间发生相对运动，并使阻尼液在阻尼腔体内流动，消耗能量。通过改变阻尼腔体的内部压强来调节减振机构的阻尼值大小，进而提高了对振动的控制效果。In order to solve the above problems, the present invention provides a vibration reduction and energy dissipation mechanism with adjustable damping. The transmission of external vibration through the external end cover structure will drive relative movement between the external end cover structure and the internal pressure adjustment structure, and cause the damping fluid to Flows in the damping cavity and consumes energy. By changing the internal pressure of the damping cavity, the damping value of the vibration damping mechanism is adjusted, thereby improving the vibration control effect.
本发明提出的可调节阻尼的减振耗能机构包括装有阻尼液的阻尼腔体、用于控制阻尼大小的内压调节结构以及传递外部振动的外部端盖结构；其中，内压调节结构包围在阻尼腔体的外侧并与阻尼腔体接触，实现对阻尼腔体的内部压力调节，完成阻尼大小的调节；外部端盖结构包围在内压调节结构的外侧；当外部端盖结构受到外界振动时带动阻尼腔体中的阻尼液流动，进而实现耗能减振。The adjustable damping vibration reduction energy dissipation mechanism proposed by the present invention includes a damping cavity filled with damping fluid, an internal pressure adjustment structure for controlling the damping size, and an external end cover structure for transmitting external vibration; wherein, the internal pressure adjustment structure surrounds On the outside of the damping cavity and in contact with the damping cavity, the internal pressure of the damping cavity is adjusted to complete the adjustment of the damping size; the external end cover structure surrounds the outside of the internal pressure adjustment structure; when the external end cover structure is subject to external vibration At this time, the damping fluid in the damping cavity is driven to flow, thereby achieving energy consumption and vibration reduction.
进一步的，阻尼腔体包括上腔体、下腔体和法兰盘，上腔体和下腔体分别焊接在法兰盘的两侧；其中，上腔体和下腔体均包括快换接头、波纹连接端盖、波纹管和连接板；快换接头的末端通过螺纹固定在波纹连接端盖上通孔的位置；波纹管的一端通过焊接固定在波纹连接端盖上，波纹管的另一端与连接板焊接固定，使波纹连接端盖的通孔、波纹管的内部与连接板的通孔连通；法兰盘为圆盘结构，并在圆盘结构的圆周设置有至少两个爪结构，并在法兰盘的中心开通阻尼孔；上腔体和下腔体的连接板分别焊接在法兰盘的两侧，且保证阻尼孔与上腔体和下腔体的内部连通，使阻尼液从一个快换接头流入，从另一快换接头流出。Further, the damping cavity includes an upper cavity, a lower cavity and a flange. The upper cavity and the lower cavity are welded to both sides of the flange respectively; wherein, the upper cavity and the lower cavity both include quick-change joints. , corrugated connection end cover, bellows and connecting plate; the end of the quick-change joint is threaded and fixed at the position of the through hole on the corrugated connection end cover; one end of the bellows is fixed on the corrugated connection end cover by welding, and the other end of the bellows It is welded and fixed with the connecting plate so that the through hole of the corrugated connection end cover and the inside of the bellows are connected with the through hole of the connecting plate; the flange is a disc structure, and at least two claw structures are provided on the circumference of the disc structure. And open a damping hole in the center of the flange; the connecting plates of the upper cavity and the lower cavity are welded on both sides of the flange respectively, and ensure that the damping hole is connected to the inside of the upper cavity and the lower cavity, so that the damping liquid Inflow from one quick-connect connector and outflow from the other quick-connect connector.
进一步的，在法兰盘的盘面上围绕阻尼孔均匀开设有六个减重通孔，用于减轻法兰盘的重量。Furthermore, six weight-reducing through holes are evenly opened on the surface of the flange around the damping holes to reduce the weight of the flange.
进一步的，内压调节结构包括上法兰端盖、下法兰端盖和螺杆；其中，上法兰端盖的内部底面与上腔体的波纹连接端盖紧密接触，上法兰端盖的盖口通过螺栓与下法兰端盖的盖口连接固定；在下法兰端盖的底部开设一个螺纹孔，螺杆与螺纹孔螺纹连接，螺杆的末端与下腔体的波纹连接端盖接触，当旋动螺杆时，螺杆的末端推动下腔体的波纹连接端盖，实现对阻尼腔体的压缩程度的控制。Further, the internal pressure adjustment structure includes an upper flange end cover, a lower flange end cover and a screw; wherein, the internal bottom surface of the upper flange end cover is in close contact with the corrugated connection end cover of the upper cavity, and the upper flange end cover is in close contact with the corrugated connection end cover of the upper cavity. The cover is connected and fixed with the cover of the lower flange end cover through bolts; a threaded hole is opened at the bottom of the lower flange end cover, the screw is threadedly connected to the threaded hole, and the end of the screw is in contact with the corrugated connection end cover of the lower cavity. When the screw is rotated, the end of the screw pushes the corrugated connection end cover of the lower cavity to control the compression degree of the damping cavity.
进一步的，上法兰端盖的盖口通过螺栓与下法兰端盖的盖口连接固定。Further, the cover opening of the upper flange end cover is connected and fixed with the cover opening of the lower flange end cover through bolts.
进一步的，下法兰端盖的侧壁设有腰孔，在下腔体的波纹连接端盖对应于腰孔的位置设有定位螺纹孔，将定位螺钉旋进腰孔和定位螺纹孔中，对波纹连接端盖的活动范围进行限制，当螺杆旋动至末端与下腔体的波纹连接端盖接触并完成内压调节后，再将定位螺钉拧紧，使下法兰端盖与下腔体的波纹连接端盖连接固定，实现周向与轴向定位。Further, the side wall of the lower flange end cover is provided with a waist hole, and the corrugated connection end cover of the lower cavity is provided with a positioning threaded hole at a position corresponding to the waist hole. Screw the positioning screw into the waist hole and the positioning threaded hole, and then The range of movement of the corrugated connection end cover is limited. When the screw rotates until the end contacts the corrugated connection end cover of the lower cavity and the internal pressure adjustment is completed, tighten the positioning screw so that the lower flange end cover is in contact with the lower cavity. The corrugated connection end cover is connected and fixed to achieve circumferential and axial positioning.
进一步的，外部端盖结构包括上端盖和下端盖，上端盖通过螺钉与法兰盘的爪结构连接固定，下端盖通过螺钉与下法兰端盖连接固定，并在上端盖与下端盖上设有与外界器件连接的连接孔。Further, the external end cover structure includes an upper end cover and a lower end cover. The upper end cover is connected and fixed with the claw structure of the flange plate through screws, and the lower end cover is connected and fixed with the lower flange end cover through screws. The upper end cover and the lower end cover are provided with There are connection holes for connecting to external devices.
进一步的，上端盖与上法兰端盖留有一定空隙，当外部端盖结构接收外部振动时，外部端盖结构与内压调节结构在空隙内发生相对运动。Furthermore, there is a certain gap between the upper end cover and the upper flange end cover. When the outer end cover structure receives external vibration, the outer end cover structure and the internal pressure adjustment structure move relative to each other in the gap.
进一步的，上法兰端盖开设有槽孔，使法兰盘的爪结构穿过槽孔与上端盖螺钉相连。Further, the upper flange end cover is provided with slotted holes, so that the claw structure of the flange plate passes through the slotted holes and is connected to the upper end cover screws.
与现有技术相比，本发明能够取得如下有益效果：Compared with the existing technology, the present invention can achieve the following beneficial effects:
1）设有内压调节结构，旋转螺杆压缩腔体内的波纹管与阻尼液，通过对封闭两腔体的压缩程度进行控制，进而控制阻尼腔体内的压强，实现阻尼值的调节，可以根据不同的使用需求调节不同大小的阻尼，扩大了使用范围；1) It is equipped with an internal pressure adjustment structure. The rotating screw compresses the bellows and damping fluid in the cavity. By controlling the compression degree of the two closed cavities, the pressure in the damping cavity is controlled to realize the adjustment of the damping value. The damping value can be adjusted according to different conditions. Adjust the damping of different sizes according to the usage requirements, expanding the scope of use;
2）阻尼腔体是密封的，杜绝了减振耗能机构在工作时进气的可能，减少了气体对减振耗能机构阻尼值的影响。2) The damping cavity is sealed, which eliminates the possibility of air entering the vibration-absorbing and energy-consuming mechanism during operation, and reduces the impact of gas on the damping value of the vibration-absorbing and energy-consuming mechanism.
附图说明Description of the drawings
图1是根据本发明实施例提供的可调节阻尼的减振耗能机构的整体结构示意图；Figure 1 is a schematic diagram of the overall structure of an adjustable damping vibration reduction and energy dissipation mechanism provided according to an embodiment of the present invention;
图2是根据本发明实施例提供的阻尼腔体的剖面图；Figure 2 is a cross-sectional view of a damping cavity provided according to an embodiment of the present invention;
图3是根据本发明实施例提供的可调节阻尼的减振耗能机构的正等侧图；Figure 3 is an isometric view of an adjustable damping vibration reduction and energy dissipation mechanism provided according to an embodiment of the present invention;
图4是根据本发明实施例提供的法兰盘的俯视图和剖面图。Figure 4 is a top view and a cross-sectional view of a flange provided according to an embodiment of the present invention.
附图标记：快换接头11、波纹连接盖板12、波纹管13、连接板14、法兰盘15、阻尼孔151、减重通孔152、爪结构153、上法兰端盖21、下法兰端盖22、螺杆23、上端盖31、下端盖32、连接孔33。Reference signs: quick-change joint 11, corrugated connection cover 12, bellows 13, connecting plate 14, flange 15, damping hole 151, weight reduction through hole 152, claw structure 153, upper flange end cover 21, lower Flange end cover 22, screw rod 23, upper end cover 31, lower end cover 32, connecting hole 33.
具体实施方式Detailed ways
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及具体实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，而不构成对本发明的限制。In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention and do not constitute limitations of the present invention.
本发明提出的可调节阻尼的减振耗能机构，外部端盖将受到的振动传递到阻尼腔体中，驱使阻尼液在阻尼腔体中流动，进而实现减振耗能。旋动内压调节机构中的螺杆，对阻尼腔体内的波纹管与阻尼液进行压缩，完成对阻尼腔体内的压强的控制，实现对减振机构的阻尼值大小的调节。In the vibration reduction and energy dissipation mechanism with adjustable damping proposed by the present invention, the external end cover transmits the vibration received to the damping cavity, driving the damping liquid to flow in the damping cavity, thereby achieving vibration reduction and energy dissipation. Rotate the screw in the internal pressure adjustment mechanism to compress the bellows and damping fluid in the damping cavity, thereby controlling the pressure in the damping cavity and adjusting the damping value of the damping mechanism.
图1示出了本发明实施例提供的可调节阻尼的减振耗能机构的整体结构。Figure 1 shows the overall structure of an adjustable damping vibration reduction and energy dissipation mechanism provided by an embodiment of the present invention.
如图1所示，本发明实施例提供的可调节阻尼的减振耗能机构包括阻尼腔体、内压调节结构和外部端盖。其中，内压调节结构包围在阻尼腔体外侧并与阻尼腔体接触；外部端盖结构包围在内压调节结构外侧。As shown in Figure 1, the adjustable damping vibration reduction and energy dissipation mechanism provided by the embodiment of the present invention includes a damping cavity, an internal pressure adjustment structure and an external end cover. Among them, the internal pressure adjustment structure is surrounded on the outside of the damping cavity and is in contact with the damping cavity; the external end cover structure is surrounded on the outside of the internal pressure adjustment structure.
图2示出了本发明实施例提供的阻尼腔体的剖面结构。Figure 2 shows the cross-sectional structure of the damping cavity provided by the embodiment of the present invention.
如图1和图2所示，阻尼腔体包括上腔体、下腔体和法兰盘15，上腔体和下腔体分别焊接在法兰盘15的两侧。其中，上腔体和下腔体均包括快换接头11、波纹连接端盖12、波纹管13和连接板14。快换接头11的末端通过螺纹固定在波纹连接端盖12上通孔的位置；波纹管13的一端通过焊接固定在波纹连接端盖12，波纹管13的另一端与连接板14焊接固定，使波纹连接端盖12的通孔、波纹管13的内部与连接板14的通孔连通。As shown in Figures 1 and 2, the damping cavity includes an upper cavity, a lower cavity and a flange 15. The upper cavity and the lower cavity are welded to both sides of the flange 15 respectively. Among them, the upper cavity and the lower cavity both include quick-change joints 11, corrugated connection end caps 12, bellows 13 and connecting plates 14. The end of the quick-change joint 11 is threaded to the position of the through hole on the corrugated connection end cover 12; one end of the bellows 13 is fixed to the corrugated connection end cover 12 by welding, and the other end of the bellows 13 is welded and fixed to the connecting plate 14, so that The through hole of the corrugated connection end cap 12 and the inside of the bellows 13 are connected with the through hole of the connecting plate 14 .
上腔体和下腔体的连接板14分别焊接在法兰盘15的两侧，且保证阻尼孔151与上腔体和下腔体的内部连通，使阻尼液从一个快换接头11流入，从另一快换接头11流出。The connecting plates 14 of the upper cavity and the lower cavity are welded to both sides of the flange 15 respectively, and ensure that the damping hole 151 is connected with the interior of the upper cavity and the lower cavity, so that the damping fluid flows in from a quick-change joint 11. flows out from another quick-change joint 11.
图3示出了根据本发明实施例提供的可调节阻尼的减振耗能机构的外部结构。Figure 3 shows the external structure of an adjustable damping vibration reduction and energy dissipation mechanism provided according to an embodiment of the present invention.
如图1和图3所示，内压调节结构包括上法兰端盖21、下法兰端盖22和螺杆23。其中，上法兰端盖21的内部底面与上腔体的波纹连接端盖12紧密接触，上法兰端盖21的盖口通过螺栓与下法兰端盖22的盖口连接固定。在下法兰端盖22的底部开设一个螺纹孔，螺杆23与螺纹孔螺纹连接，螺杆23的末端与下腔体的波纹连接端盖12接触，当旋动螺杆23时，螺杆23的末端推动下腔体的波纹连接端盖12，实现对阻尼腔体的压缩程度的控制。As shown in Figures 1 and 3, the internal pressure adjustment structure includes an upper flange end cover 21, a lower flange end cover 22 and a screw rod 23. Among them, the inner bottom surface of the upper flange end cover 21 is in close contact with the corrugated connection end cover 12 of the upper cavity, and the cover opening of the upper flange end cover 21 is connected and fixed with the cover opening of the lower flange end cover 22 through bolts. A threaded hole is opened at the bottom of the lower flange end cover 22. The screw rod 23 is threadedly connected to the threaded hole. The end of the screw rod 23 is in contact with the corrugated connection end cover 12 of the lower cavity. When the screw rod 23 is rotated, the end of the screw rod 23 is pushed down. The corrugations of the cavity are connected to the end cover 12 to control the compression degree of the damping cavity.
下法兰端盖22的侧壁设有腰孔，在下腔体的波纹连接端盖12对应于腰孔的位置设有定位螺纹孔。The side wall of the lower flange end cover 22 is provided with a waist hole, and the corrugated connection end cover 12 of the lower cavity is provided with a positioning threaded hole at a position corresponding to the waist hole.
外部端盖结构包括上端盖31和下端盖32，上端盖31通过螺钉与法兰盘15的爪结构153连接固定，下端盖32通过螺钉与下法兰端盖22连接固定，并在上端盖31和下端盖32设有与外界器件连接的连接孔33。The external end cover structure includes an upper end cover 31 and a lower end cover 32. The upper end cover 31 is connected and fixed with the claw structure 153 of the flange plate 15 through screws. The lower end cover 32 is connected and fixed with the lower flange end cover 22 through screws. The upper end cover 31 The lower end cover 32 is provided with a connection hole 33 for connecting to external devices.
其中，上端盖31与上法兰端盖21留有一定空隙，当外部端盖结构接收外部振动时，使外部端盖结构与内压调节结构在空隙内发生相对运动；上法兰端盖22开设有槽孔，使法兰盘15的爪结构153穿过槽孔与上端盖31相连。There is a certain gap between the upper end cover 31 and the upper flange end cover 21. When the outer end cover structure receives external vibration, the outer end cover structure and the internal pressure adjustment structure will move relative to each other in the gap; the upper flange end cover 22 A slotted hole is provided so that the claw structure 153 of the flange plate 15 passes through the slotted hole and is connected to the upper end cover 31 .
图4示出根据本发明实施例提供的法兰盘的俯视结构和剖面结构。Figure 4 shows the top view structure and the cross-sectional structure of the flange provided according to the embodiment of the present invention.
如图4所示，法兰盘15为圆盘结构，并在圆盘结构的圆周设置有至少两个爪结构153；在法兰盘15的中心开通阻尼孔151，并围绕阻尼孔151均匀开设有六个减重通孔152，用于减轻法兰盘的重量。As shown in Figure 4, the flange plate 15 is a disc structure, and at least two claw structures 153 are provided on the circumference of the disc structure; a damping hole 151 is opened in the center of the flange plate 15, and is evenly opened around the damping hole 151 There are six weight-reducing through holes 152 for reducing the weight of the flange.
在进行阻尼值调节时，先将定位螺钉旋进腰孔和定位螺纹孔中，对波纹连接端盖12的活动范围进行限制，并旋动螺杆23至末端与下腔体的波纹连接端盖12接触后，继续旋动螺杆23，使螺杆23的末端推动下腔体的波纹连接端盖12，进而对阻尼腔体内波纹管13和阻尼液的压缩，实现阻尼值的调节。当调整到所需阻尼大小后，将定位螺钉拧紧，使下法兰端盖22与下腔体的波纹连接端盖12连接固定，实现周向与轴向定位，此时完成阻尼值的调节。When adjusting the damping value, first screw the positioning screw into the waist hole and the positioning threaded hole to limit the range of movement of the corrugated connection end cover 12, and rotate the screw rod 23 to the end of the corrugated connection end cover 12 of the lower cavity. After contact, continue to rotate the screw rod 23 so that the end of the screw rod 23 pushes the corrugated connection end cover 12 of the lower cavity, thereby compressing the bellows 13 and the damping fluid in the damping cavity to adjust the damping value. When the required damping is adjusted, tighten the positioning screws to connect and fix the lower flange end cover 22 with the corrugated connection end cover 12 of the lower cavity to achieve circumferential and axial positioning. At this time, the adjustment of the damping value is completed.
当外部端盖结构接受外部振动后，外部端盖结构带动法兰盘15发生振动，使外部端盖与阻尼腔体和内压调节结构发生相对运动，从而使阻尼液在阻尼腔体中流动，实现减振耗能。When the external end cover structure receives external vibration, the external end cover structure drives the flange 15 to vibrate, causing the external end cover to move relative to the damping cavity and the internal pressure adjustment structure, thereby causing the damping fluid to flow in the damping cavity. Achieve vibration reduction and energy consumption.
上述具体实施方式，并不构成对本发明保护范围的限制。本领域技术人员应该明白的是，根据设计要求和其他因素，可以进行各种修改、组合、子组合和替代。任何在本发明的精神和原则之内所作的修改、等同替换和改进等，均应包含在本发明保护范围之内。The above-mentioned specific embodiments do not constitute a limitation on the scope of the present invention. It will be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions are possible depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims (6)
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