CN115059724B - Active grinding plate damper of a disc-type force amplification mechanism - Google Patents
Active grinding plate damper of a disc-type force amplification mechanism Download PDFInfo
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- 238000006073 displacement reaction Methods 0.000 claims description 49
- 230000007547 defect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 16
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- 101100012902 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FIG2 gene Proteins 0.000 description 1
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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
- F16F15/005—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion using electro- or magnetostrictive actuation means
- F16F15/007—Piezoelectric elements being placed under pre-constraint, e.g. placed under compression
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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
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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
- F16F15/022—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 dampers and springs in combination
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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
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/08—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other
- F16F7/082—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other and characterised by damping force adjustment means
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
技术领域Technical Field
本发明属于机械工程减振消能与安全技术领域，具体涉及一种圆盘式力放大机构的主动磨片阻尼器。The invention belongs to the field of vibration reduction, energy dissipation and safety technology in mechanical engineering, and in particular relates to an active grinding plate damper of a disc-type force amplification mechanism.
背景技术Background technique
阻尼器是一种利用阻尼特性来减缓机械振动及消耗动能的装置。其在航天、航空、汽车、军工等领域被广泛运用，对机械系统的性能以及安全也发挥着越来越重要的作用。A damper is a device that uses damping properties to slow down mechanical vibration and consume kinetic energy. It is widely used in aerospace, aviation, automobile, military and other fields, and plays an increasingly important role in the performance and safety of mechanical systems.
现有阻尼器往往存在可控性差、调控范围窄等缺点，不能满足高精密高速装备的稳定性要求。Existing dampers often have shortcomings such as poor controllability and narrow adjustment range, and cannot meet the stability requirements of high-precision and high-speed equipment.
本专利针对可控性高、调控范围广的阻尼器的需求，创新提出一种磨片阻尼器模块与圆盘式力放大机构结合的主动磨片阻尼器。研究成果在航空航天、超高速转子系统等领域具有重要的理论与实践意义。This patent aims to meet the demand for a damper with high controllability and wide control range, and innovatively proposes an active grinding plate damper that combines a grinding plate damper module with a disc-type force amplification mechanism. The research results have important theoretical and practical significance in the fields of aerospace, ultra-high-speed rotor systems, etc.
发明内容Summary of the invention
针对上述问题，本发明提供了一种圆盘式力放大机构的主动磨片阻尼器。In view of the above problems, the present invention provides an active grinding plate damper of a disc-type force amplification mechanism.
为实现上述目的，一种圆盘式力放大机构的主动磨片阻尼器，其结构包括磨片阻尼器模块和圆盘式力放大机构；To achieve the above-mentioned purpose, an active grinding plate damper of a disc-type force amplification mechanism is provided, and its structure includes a grinding plate damper module and a disc-type force amplification mechanism;
其中，所述圆盘式力放大机构包括放大机构、固定机构、输入端、输出端和压电陶瓷；所述放大机构安装于所述固定机构，所述输出端和所述输入端分别安装于所述放大机构的输出部分和输入部分，所述压电陶瓷的驱动端对准于放大机构的输入端。Among them, the disc-type force amplification mechanism includes an amplification mechanism, a fixing mechanism, an input end, an output end and a piezoelectric ceramic; the amplification mechanism is installed on the fixing mechanism, the output end and the input end are respectively installed on the output part and the input part of the amplification mechanism, and the driving end of the piezoelectric ceramic is aligned with the input end of the amplification mechanism.
其中，所述放大机构包括一级放大机构和二级放大机构，所述放大机构为对称式放大机构，所述放大机构为圆盘式放大机构；Wherein, the amplifying mechanism comprises a primary amplifying mechanism and a secondary amplifying mechanism, the amplifying mechanism is a symmetrical amplifying mechanism, and the amplifying mechanism is a disc-type amplifying mechanism;
其中，所述一级放大机构包括下侧第一杠杆和上侧第一杠杆，所述下侧第一杠杆和上侧第一杠杆关于圆盘轴线对称，所述下侧第一杠杆底部通过铰链铰接于所述固定机构；所述上侧第一杠杆顶部通过铰链铰接于所述固定机构；The first-stage amplification mechanism includes a lower first lever and an upper first lever, the lower first lever and the upper first lever are symmetrical about the axis of the disk, the bottom of the lower first lever is hinged to the fixing mechanism through a hinge; the top of the upper first lever is hinged to the fixing mechanism through a hinge;
所述一级放大机构还包括下侧第一位移传导杆和上侧第一位移传导杆，所述下侧第一位移传导杆右端通过铰链铰接于所述下侧第一杠杆；所述上侧第一位移传导杆右端通过铰链铰接于上侧第一杠杆；The first-stage amplification mechanism further includes a lower first displacement transmission rod and an upper first displacement transmission rod, wherein the right end of the lower first displacement transmission rod is hinged to the lower first lever through a hinge; the right end of the upper first displacement transmission rod is hinged to the upper first lever through a hinge;
所述一级放大机构还包括输入端，所述输入端呈圆盘形状；所述下侧第一杠杆的右端通过、铰链铰接于所述输入端；所述上侧第一杠杆的右端通过、铰链铰接于所述输入端。The first-stage amplification mechanism also includes an input end, which is in the shape of a disk; the right end of the lower first lever is hinged to the input end through a hinge; the right end of the upper first lever is hinged to the input end through a hinge.
所述固定机构底座设有所述压电陶瓷，所述压电陶瓷端部抵紧于所述输入平台下表面且信号可调。The fixing mechanism base is provided with the piezoelectric ceramic, the end of the piezoelectric ceramic is pressed against the lower surface of the input platform and the signal is adjustable.
其中，所述二级放大机构包括下侧第二杠杆和上侧第二杠杆；Wherein, the secondary amplification mechanism comprises a lower second lever and an upper second lever;
所述下侧第二杠杆右端通过铰链铰接于下侧第一位移传导杆；所述上侧第二杠杆右端通过铰链铰接于上侧第一位移传导杆；The right end of the lower second lever is hinged to the lower first displacement transmission rod through a hinge; the right end of the upper second lever is hinged to the upper first displacement transmission rod through a hinge;
所述二级放大机构还包括下侧第二位移传导杆和上侧第二位移传导杆，所述下侧第二位移传导杆左端面通过铰链铰接于输出端，所述下侧第二位移传导杆右端面通过铰链铰接于下侧第二杠杆；所述上侧第二位移传导杆左端面通过铰链铰接于输出端，所述上侧第二位移传导杆右端面通过铰链铰接于上侧第二杠杆。The secondary amplification mechanism also includes a lower second displacement conduction rod and an upper second displacement conduction rod, the left end face of the lower second displacement conduction rod is hinged to the output end through a hinge, and the right end face of the lower second displacement conduction rod is hinged to the lower second lever through a hinge; the left end face of the upper second displacement conduction rod is hinged to the output end through a hinge, and the right end face of the upper second displacement conduction rod is hinged to the upper second lever through a hinge.
较佳地，所述输入端支链呈倾斜状设置,，两个输入端支链的设置方式呈开口的喇叭状。Preferably, the input end branch is arranged in an inclined shape, and the two input end branches are arranged in an open trumpet shape.
其中，所述磨片阻尼器模块包括弹性动摩擦盘和静止摩擦盘。Wherein, the grinding plate damper module includes an elastic dynamic friction disk and a stationary friction disk.
其中，所述圆盘式力放大机构输出端与所述静止摩擦盘相互作用The output end of the disc-type force amplification mechanism interacts with the stationary friction disc.
其中，所述弹性动摩擦盘通过弹簧连接在固定端。Wherein, the elastic dynamic friction disc is connected to the fixed end through a spring.
其中，所述静止摩擦盘通过紧固件固定在固定端。Wherein, the stationary friction disc is fixed to the fixed end by a fastener.
其中，所述弹性动摩擦盘左右两端各设置一所述静止摩擦盘。Wherein, a stationary friction disc is respectively arranged at the left and right ends of the elastic dynamic friction disc.
其中，所述磨片阻尼器模块两端各安装一圆盘式力放大机构。Wherein, a disc-type force amplification mechanism is installed at each end of the grinding plate damper module.
本发明的有益效果在于：The beneficial effects of the present invention are:
1、本发明提供的一种具有圆盘式力放大机构的主动磨片阻尼器，通过在原有阻尼器基础上增设圆盘式力放大机构，能够为静止摩擦盘提供足够大的压力，进而改变动摩擦盘与静止摩擦盘的接触面摩擦力，并采用压电陶瓷驱动力放大机构，实现阻尼器的阻尼大小的主动可控，更加适应工程实际的需求。1. The present invention provides an active grinding plate damper with a disc-type force amplification mechanism. By adding a disc-type force amplification mechanism on the basis of the original damper, it can provide a sufficiently large pressure for the stationary friction disk, thereby changing the friction force of the contact surface between the dynamic friction disk and the stationary friction disk, and adopts a piezoelectric ceramic driving force amplification mechanism to realize active control of the damping size of the damper, which is more adapted to the actual needs of engineering.
2、本发明提供的一种具有圆盘式力放大机构的主动磨片阻尼器，其圆盘式放大机构中的放大机构设置于固定机构，使结构模块化，而固定机构设置成圆盘式结构，使放大机构有充分的支撑结构，从而能够给放大机构足够的支点，即可以使放大机构在设置杠杆时能够有上侧和下侧作为支撑点，能可能的设置放大结构；一级放大结构和二级放大结构放大了输入端的力输入量，装置采用了对称式放大结构，其结构更紧凑，整体刚性更大，并基本消除耦合误差，并且可以产生足够大的驱动力进而使阻尼器的调控范围更广，更加适应现实中的需求。2. The present invention provides an active grinding damper with a disc-type force amplification mechanism, in which the amplification mechanism in the disc-type amplification mechanism is arranged in the fixing mechanism to make the structure modular, and the fixing mechanism is arranged as a disc-type structure, so that the amplification mechanism has a sufficient supporting structure, thereby being able to provide the amplification mechanism with sufficient fulcrums, that is, the amplification mechanism can have the upper side and the lower side as support points when setting the lever, and the amplification structure can be set as much as possible; the primary amplification structure and the secondary amplification structure amplify the force input at the input end, and the device adopts a symmetrical amplification structure, which has a more compact structure and greater overall rigidity, and basically eliminates coupling errors, and can generate a sufficiently large driving force to make the damper's regulation range wider and more adaptable to actual needs.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1是本发明的整体结构示意图；Fig. 1 is a schematic diagram of the overall structure of the present invention;
图2是本发明的圆盘式力放大机构的剖面图；FIG2 is a cross-sectional view of the disc-type force amplification mechanism of the present invention;
图3是本发明的弹性动摩擦盘结构示意图；FIG3 is a schematic diagram of the structure of the elastic dynamic friction disk of the present invention;
图4是本发明的静止摩擦盘结构示意图。FIG. 4 is a schematic diagram of the structure of the stationary friction disk of the present invention.
其中：磨片阻尼器模块1、圆盘式力放大机构2、固定机构3、输出端4、输入端5、下侧第一杠杆6、上侧第一杠杆7、下侧第一位移传导杆8、上侧第一位移传导杆9、下侧第二杠杆10、上侧第二杠杆11、下侧第二位移传导杆12、上侧第二位移传导杆13、弹性动摩擦盘14、静止摩擦盘15、压电陶瓷16。Among them: grinding plate damper module 1, disc-type force amplification mechanism 2, fixing mechanism 3, output end 4, input end 5, lower first lever 6, upper first lever 7, lower first displacement conduction rod 8, upper first displacement conduction rod 9, lower second lever 10, upper second lever 11, lower second displacement conduction rod 12, upper second displacement conduction rod 13, elastic dynamic friction disc 14, stationary friction disc 15, piezoelectric ceramic 16.
具体实施方式Detailed ways
下面结合附图并通过具体实施方式来进一步对本发明做进一步的描述：The present invention will be further described below with reference to the accompanying drawings and through specific implementation methods:
实施例一：Embodiment 1:
请参阅图1，一种圆盘式力放大机构的主动磨片阻尼器，包括磨片阻尼器模块1和圆盘式力放大机构2；Please refer to FIG1 , an active grinding plate damper with a disc-type force amplification mechanism, including a grinding plate damper module 1 and a disc-type force amplification mechanism 2;
所述磨片阻尼器模块包括弹性动摩擦盘和静止摩擦盘。The grinding plate damper module comprises an elastic dynamic friction disk and a stationary friction disk.
所述弹性动摩擦盘两端各设置一所述静止摩擦盘。A stationary friction disc is disposed at each end of the elastic dynamic friction disc.
所述静止摩擦盘通过紧固件固定在固定端，所述弹性动摩擦盘通过弹簧连接固定在固定端；所述弹性动摩擦盘可随着弹簧做往复振动，进而与静止摩擦盘通过摩擦面相互运动产生阻尼。The stationary friction disc is fixed to the fixed end by a fastener, and the elastic dynamic friction disc is fixed to the fixed end by a spring connection; the elastic dynamic friction disc can reciprocate with the spring, and then move with the stationary friction disc through the friction surface to generate damping.
所述磨片阻尼器两端各安装一圆盘式力放大机构，所述圆盘式力放大机构输出端对准于所述静止摩擦盘，增大所述静止摩擦盘与所述弹性动摩擦盘接触压力，进而改变摩擦面的阻力，增大磨片阻尼器的调控范围，实现磨片阻尼器的主动可控，更加适应现实中的需求。A disc-type force amplification mechanism is installed at each end of the grinding plate damper, and the output end of the disc-type force amplification mechanism is aligned with the stationary friction plate, thereby increasing the contact pressure between the stationary friction plate and the elastic dynamic friction plate, thereby changing the resistance of the friction surface, increasing the regulation range of the grinding plate damper, and realizing active controllability of the grinding plate damper, which is more adapted to actual needs.
实施例二：Embodiment 2:
请参阅图2，所述圆盘式力放大机构包括放大机构、固定机构、输入端、输出端和压电陶瓷；所述放大机构安装于所述固定机构，所述输出端和所述输入端分别安装于所述放大机构的输出部分和输入部分，所述压电陶瓷的驱动端对准于放大机构的输入端。Please refer to Figure 2, the disc-type force amplification mechanism includes an amplification mechanism, a fixing mechanism, an input end, an output end and a piezoelectric ceramic; the amplification mechanism is installed on the fixing mechanism, the output end and the input end are respectively installed on the output part and the input part of the amplification mechanism, and the driving end of the piezoelectric ceramic is aligned with the input end of the amplification mechanism.
所述放大机构整体设计成圆盘式，使结构适用于转子系统，并且使放大机构具有足够的支点。The amplifying mechanism is designed as a disk as a whole, so that the structure is suitable for the rotor system and the amplifying mechanism has sufficient fulcrums.
所述放大机构包括一级放大机构和二级放大机构，所述为放大机构为对称式放大机构，所述放大机构为圆盘式放大机构；The amplifying mechanism comprises a primary amplifying mechanism and a secondary amplifying mechanism, the amplifying mechanism is a symmetrical amplifying mechanism, and the amplifying mechanism is a disc-type amplifying mechanism;
所述一级放大机构包括下侧第一杠杆和上侧第一杠杆，所述下侧第一杠杆和上侧第一杠杆关于圆盘轴线对称，所述下侧第一杠杆底部通过铰链铰接于所述固定机构；所述上侧第一杠杆顶部通过铰链铰接于所述固定机构；The first-stage amplification mechanism comprises a lower first lever and an upper first lever, the lower first lever and the upper first lever are symmetrical about the axis of the disc, the bottom of the lower first lever is hinged to the fixing mechanism through a hinge; the top of the upper first lever is hinged to the fixing mechanism through a hinge;
所述一级放大机构还包括下侧第一位移传导杆和上侧第一位移传导杆，所述下侧第一位移传导杆右端通过铰链铰接于所述下侧第一杠杆；所述上侧第一位移传导杆右端通过铰链铰接于上侧第一杠杆；The first-stage amplification mechanism further includes a lower first displacement transmission rod and an upper first displacement transmission rod, wherein the right end of the lower first displacement transmission rod is hinged to the lower first lever through a hinge; the right end of the upper first displacement transmission rod is hinged to the upper first lever through a hinge;
所述一级放大机构还包括输入端，所述输入端呈圆盘形状；所述下侧第一杠杆的右端通过、铰链铰接于输入端；所述上侧第一杠杆的右端通过、铰链铰接于输入端。The first-stage amplification mechanism also includes an input end, which is in the shape of a disk; the right end of the first lever on the lower side is hinged to the input end through a hinge; the right end of the first lever on the upper side is hinged to the input end through a hinge.
一级放大机构直接放大了所述输入端的力输入量，所述输入端的位移将下侧第一杠杆和上侧第一杠杆顶起，从而带动下侧第一位移传导杆和上侧第一位移传导杆将输入量进行了放大；随后下侧第一位移传导杆和上侧第一位移传导杆带动下侧第二杠杆和上侧第二杠杆；装置采用了圆盘式对称放大结构，其结构更加紧凑，整体刚性更大，并基本消除耦合误差，更加适应实际工程中的需求。The first-stage amplification mechanism directly amplifies the force input at the input end. The displacement of the input end lifts the first lever at the lower side and the first lever at the upper side, thereby driving the first displacement transmission rod at the lower side and the first displacement transmission rod at the upper side to amplify the input amount; then the first displacement transmission rod at the lower side and the first displacement transmission rod at the upper side drive the second lever at the lower side and the second lever at the upper side; the device adopts a disc-type symmetrical amplification structure, which has a more compact structure, greater overall rigidity, and basically eliminates coupling errors, and is more adapted to the needs of actual engineering.
所述固定机构底座设有所述压电陶瓷，所述压电陶瓷端部抵紧于所述输入端下表面且信号可调。The fixing mechanism base is provided with the piezoelectric ceramic, the end of the piezoelectric ceramic is pressed against the lower surface of the input end and the signal is adjustable.
此外，所述二级放大机构包括下侧第二杠杆和上侧第二杠杆；Furthermore, the secondary amplification mechanism includes a lower second lever and an upper second lever;
所述下侧第二杠杆右端通过铰链铰接于下侧第一位移传导杆；所述上侧第二杠杆右端通过铰链铰接于上侧第一位移传导杆；The right end of the lower second lever is hinged to the lower first displacement transmission rod through a hinge; the right end of the upper second lever is hinged to the upper first displacement transmission rod through a hinge;
所述二级放大机构还包括下侧第二位移传导杆和上侧第二位移传导杆，所述下侧第二位移传导杆左端面通过铰链铰接于输出端，所述下侧第二位移传导杆右端面通过铰链铰接于下侧第二杠杆；所述上侧第二位移传导杆左端面通过铰链铰接于输出端，所述上侧第二位移传导杆右端面通过铰链铰接于上侧第二杠杆。The secondary amplification mechanism also includes a lower second displacement conduction rod and an upper second displacement conduction rod, the left end surface of the lower second displacement conduction rod is hinged to the output end through a hinge, and the right end surface of the lower second displacement conduction rod is hinged to the lower second lever through a hinge; the left end surface of the upper second displacement conduction rod is hinged to the output end through a hinge, and the right end surface of the upper second displacement conduction rod is hinged to the upper second lever through a hinge.
所述下侧第二杠杆和所述上侧第二杠杆带动所述下侧第二位移传导杆和所述上侧第二位移传导杆，下侧第二位移传导杆和上侧第二位移传导杆再一次将输入量放大后，传递到输出端；一级放大机构加上二级放大机构，构成两级圆盘式对称放大机构，进一步放大了输入量。The lower second lever and the upper second lever drive the lower second displacement conduction rod and the upper second displacement conduction rod, and the lower second displacement conduction rod and the upper second displacement conduction rod amplify the input amount again and transmit it to the output end; the first-stage amplification mechanism plus the second-stage amplification mechanism constitute a two-stage disc-type symmetrical amplification mechanism, which further amplifies the input amount.
此外，所述输入端支链呈倾斜状设置,，两个输入端支链的设置方式呈开口的喇叭状。In addition, the input end branch is arranged in an inclined shape, and the arrangement of the two input end branches is in the shape of an open trumpet.
本发明采用圆盘式对称结构，适用于转子系统，其结构更加紧凑，整体刚性更大，并基本消除耦合误差，更加适应实际工程中的需求，满足高速高精密装备稳定性要求。The present invention adopts a disc-type symmetrical structure, which is suitable for a rotor system. The structure is more compact, the overall rigidity is greater, and coupling errors are basically eliminated. It is more adaptable to the needs of actual engineering and meets the stability requirements of high-speed and high-precision equipment.
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