CN108591706A - A kind of novel device vertical motion vibration isolating suspension - Google Patents
A kind of novel device vertical motion vibration isolating suspension Download PDFInfo
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- CN108591706A CN108591706A CN201810419691.7A CN201810419691A CN108591706A CN 108591706 A CN108591706 A CN 108591706A CN 201810419691 A CN201810419691 A CN 201810419691A CN 108591706 A CN108591706 A CN 108591706A
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- lower base
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- 239000000725 suspension Substances 0.000 title claims 10
- 238000013016 damping Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 210000001364 upper extremity Anatomy 0.000 claims 1
- 238000002955 isolation Methods 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 9
- 230000006872 improvement Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007799 cork Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M5/00—Engine beds, i.e. means for supporting engines or machines on foundations
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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
- 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
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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
- F16F15/04—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 elastic means
- F16F15/046—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 elastic means using combinations of springs of different kinds
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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
- F16F15/04—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 elastic means
- F16F15/08—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 elastic means with rubber springs ; with springs made of rubber and metal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vibration Prevention Devices (AREA)
Abstract
本发明公开了一种新型设备竖向振动隔振支座，包括截面为“凵”型的下基板与截面为“冂”型的上滑动盖板，所述上滑动盖板扣置于下基板上并围成一空腔，所述上滑动盖板的向下伸出部分罩盖住下基板的向上伸出部分；所述空腔内设置有弹簧，所述弹簧的两端分别抵住上滑动盖板的顶部与下基板的底部；所述空腔内充满阻尼液；所述下基板的顶端固定设有密封圈；还包括滑动调节机构，所述滑动调节机构用于约束上滑动盖板相对于下基板只能做竖向轴线运动。本发明通过弹簧与阻尼液的配合，竖向刚度和阻尼较大，对于设备的竖向振动具有较好的隔振效果，螺杆的使用，可是支座进行预压，并具有限位功能，其结构简单，使用方便。
The invention discloses a new type of vertical vibration isolation support for equipment, which comprises a lower base plate with a cross-section of “凵” shape and an upper sliding cover plate with a cross-section of “冂” shape, the upper sliding cover plate is buckled on the lower base plate and encloses a cavity, the downward protruding part of the upper sliding cover covers the upward protruding part of the lower base plate; a spring is arranged in the cavity, and the two ends of the spring respectively resist the upper sliding The top of the cover plate and the bottom of the lower base plate; the cavity is filled with damping fluid; the top of the lower base plate is fixed with a sealing ring; a sliding adjustment mechanism is also included, and the sliding adjustment mechanism is used to restrain the upper sliding cover plate Because the lower base plate can only move along the vertical axis. Through the cooperation of the spring and the damping fluid, the present invention has relatively large vertical stiffness and damping, and has a good vibration isolation effect on the vertical vibration of the equipment. The use of the screw can pre-press the support and has a position-limiting function. The structure is simple and the use is convenient.
Description
技术领域technical field
本发明涉及减振支座技术领域，特别是一种新型设备竖向振动隔振支座。The invention relates to the technical field of vibration damping supports, in particular to a novel equipment vertical vibration isolation support.
背景技术Background technique
隔振技术是目前世界上公认有效的控制技术。随着我国经济的发展，工业厂房、居民住宅的数量不断增加，机械设备的使用也随之增加，但是一些机械设备在工作时会产生较大的振动和噪声，对居民的生活产生很大的影响，使居民居住的舒适度大大降低。一些机械设备产生的固体振动还会沿着建筑构件传播，而且衰减很慢，长期如此会对建筑构件产生不利影响。目前，我国一些机械设备的隔振技术主要应用形式有隔振垫、隔振器、可曲挠橡胶管接头、弹性吊架等，主要的类型分为以下几个大类：金属弹簧，橡胶类隔振器，空气弹簧和软木隔振。其中，金属弹簧类隔振装置对于低频的隔离效果很有效；橡胶类隔振器利用其橡胶的良好弹性(体积不可压缩)，具有体积小、重量轻、使用方便、形状自由的优点；空气弹簧类的隔振装置利用空气的可压缩性达到自由较低的固有频率、较高的阻尼比(0.1～0.2)、承载范围宽、承载能力、弹簧常数、工作高度彼此独立、系统固有频率几乎不变等优点；软木类隔振装置主要对较高频率的振动与冲击的隔离有利，垂直受压时有很大的变形量而不产生侧向膨胀。至今为止，传统机械设备隔振装置各有其优点与缺点，其中金属弹簧类隔振装置，自身的固有阻尼小，自由衰减周期长，容易产生共振和传播高频振动，需要另外安装阻尼器或者串联橡胶垫；橡胶类隔振器自身静态位移小，不适用较低的干扰频率机组和重量特别大的设备，耐高温性、耐腐蚀性差，且容易老化。Vibration isolation technology is currently recognized as an effective control technology in the world. With the development of my country's economy, the number of industrial plants and residential buildings is increasing, and the use of mechanical equipment is also increasing. However, some mechanical equipment will generate large vibration and noise during work, which will have a great impact on the lives of residents. impact, greatly reducing the comfort of residents. The solid vibration generated by some mechanical equipment will also propagate along the building components, and the attenuation is very slow, which will have an adverse effect on the building components in the long run. At present, the main application forms of vibration isolation technology for some mechanical equipment in my country include vibration isolation pads, vibration isolators, flexible rubber pipe joints, elastic hangers, etc. The main types are divided into the following categories: metal springs, rubber Vibration isolators, air springs and cork isolation. Among them, the metal spring type vibration isolation device is very effective for low frequency isolation; the rubber type vibration isolator utilizes the good elasticity of its rubber (incompressible volume), and has the advantages of small size, light weight, convenient use, and free shape; air spring This type of vibration isolation device utilizes the compressibility of air to achieve freedom, low natural frequency, high damping ratio (0.1-0.2), wide load range, load capacity, spring constant, and working height are independent of each other, and the natural frequency of the system is almost the same. Variable and other advantages; cork type vibration isolation device is mainly beneficial to the isolation of higher frequency vibration and impact, and it has a large amount of deformation when it is vertically compressed without lateral expansion. So far, traditional vibration isolation devices for mechanical equipment have their own advantages and disadvantages. Among them, metal spring vibration isolation devices have small inherent damping and long free attenuation periods, which are easy to generate resonance and propagate high-frequency vibrations. Additional dampers or Series rubber pads; the static displacement of the rubber type vibration isolator itself is small, and it is not suitable for low interference frequency units and heavy equipment. It has poor high temperature resistance and corrosion resistance, and is easy to age.
发明内容Contents of the invention
本发明要解决的技术问题是：提供一种使用方便、结构简单、竖向减振效果理想的新型设备竖向振动隔振支座。The technical problem to be solved by the present invention is to provide a new type of equipment vertical vibration isolation support with convenient use, simple structure and ideal vertical vibration reduction effect.
本发明解决其技术问题的解决方案是：一种新型设备竖向振动隔振支座，包括截面为“凵”型的下基板与截面为“冂”型的上滑动盖板，所述上滑动盖板扣置于下基板上并围成一空腔，所述上滑动盖板的向下伸出部分罩盖住下基板的向上伸出部分；所述空腔内设置有弹簧，所述弹簧的两端分别抵住上滑动盖板的顶部与下基板的底部；所述空腔内充满阻尼液；所述下基板的顶端固定设有密封圈；还包括滑动调节机构，所述滑动调节机构用于约束上滑动盖板相对于下基板只能做竖向轴线运动。The solution of the present invention to solve the technical problem is: a new type of vertical vibration isolation support for equipment, including a lower base plate with a cross-section of "凵" shape and an upper sliding cover plate with a cross-section of "冂" shape, the upper sliding The cover plate is buckled on the lower base plate and surrounds a cavity, and the downward protruding part of the upper sliding cover plate covers the upward protruding part of the lower base plate; a spring is arranged in the cavity, and the spring The two ends respectively bear against the top of the upper sliding cover plate and the bottom of the lower substrate; the cavity is filled with damping liquid; the top of the lower substrate is fixed with a sealing ring; a sliding adjustment mechanism is also included, and the sliding adjustment mechanism is used for Due to constraints, the upper sliding cover plate can only move along the vertical axis relative to the lower base plate.
作为上述技术方案的进一步改进，所述滑动调节机构包括安装座、安装孔、螺杆与调节螺母，所述安装座设在下基板上，所述安装孔设在上滑动盖板上，所述螺杆穿过安装孔安装在安装座上；所述调节螺母位于安装孔的上方且安装在螺杆上；所述安装孔的直径略大于螺杆的外径，所述调节螺母的外径大于安装孔的直径。As a further improvement of the above technical solution, the sliding adjustment mechanism includes a mounting base, a mounting hole, a screw and an adjusting nut, the mounting base is set on the lower base plate, the mounting hole is set on the upper sliding cover plate, and the screw rod passes through Installed on the mounting seat through the mounting hole; the adjusting nut is located above the mounting hole and mounted on the screw rod; the diameter of the mounting hole is slightly larger than the outer diameter of the screw rod, and the outer diameter of the adjusting nut is larger than the diameter of the mounting hole.
作为上述技术方案的进一步改进，所述上滑动盖板的下端设有上翼缘，所述下基板的底部设有下翼缘，所述安装座设在下翼缘上，所述安装孔设在上翼缘上。As a further improvement of the above technical solution, the lower end of the upper sliding cover plate is provided with an upper flange, the bottom of the lower base plate is provided with a lower flange, the mounting seat is provided on the lower flange, and the mounting hole is provided at on the upper flange.
作为上述技术方案的进一步改进，所述安装座内设有第一支承橡胶块，所述螺杆的足部穿过第一支承橡胶块抵达安装座的底部。As a further improvement of the above technical solution, a first supporting rubber block is provided inside the mounting seat, and the foot of the screw passes through the first supporting rubber block to reach the bottom of the mounting seat.
作为上述技术方案的进一步改进，所述安装座有四个，四个安装座前后左右均匀分布在下翼缘上；所述安装孔、螺杆、调节螺母、第一支承橡胶块与安装座一一对应。As a further improvement of the above technical solution, there are four mounting seats, and the four mounting seats are evenly distributed on the lower flange; the mounting holes, screw rods, adjusting nuts, and the first supporting rubber block are in one-to-one correspondence with the mounting seats .
作为上述技术方案的进一步改进，所述下基板的向上伸出部分的外侧壁上固定设有一柔性防护圈，所述密封圈与柔性防护圈一体。As a further improvement of the above technical solution, a flexible protective ring is fixedly provided on the outer wall of the upwardly protruding part of the lower substrate, and the sealing ring is integrated with the flexible protective ring.
作为上述技术方案的进一步改进，所述柔性防护圈采用橡胶材质，所述柔性防护圈包括多条橡胶圈，多条所述橡胶圈缠绕在下基板的向上伸出部分的外侧壁上。As a further improvement of the above technical solution, the flexible protective ring is made of rubber, and the flexible protective ring includes a plurality of rubber rings, and the plurality of rubber rings are wound on the outer side wall of the upwardly protruding part of the lower substrate.
作为上述技术方案的进一步改进，还包括第二支承橡胶块，所述第二支承橡胶块固定设置在上滑动盖板的顶部的上表面。As a further improvement of the above technical solution, a second supporting rubber block is also included, and the second supporting rubber block is fixedly arranged on the upper surface of the top of the upper sliding cover plate.
作为上述技术方案的进一步改进，所述下基板与上滑动盖板均采用钢板材质。As a further improvement of the above technical solution, both the lower base plate and the upper sliding cover plate are made of steel plate.
本发明的有益效果是：本发明通过弹簧与阻尼液的配合，竖向刚度和阻尼较大，对于设备的竖向振动具有较好的隔振效果，螺杆的使用，可是支座进行预压，并具有限位功能，其结构简单，使用方便。The beneficial effects of the present invention are: the present invention has relatively large vertical stiffness and damping through the cooperation of the spring and the damping fluid, and has a good vibration isolation effect on the vertical vibration of the equipment. The use of the screw can pre-press the support, It also has a limit function, and its structure is simple and easy to use.
附图说明Description of drawings
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单说明。显然，所描述的附图只是本发明的一部分实施例，而不是全部实施例，本领域的技术人员在不付出创造性劳动的前提下，还可以根据这些附图获得其他设计方案和附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly describe the drawings that need to be used in the description of the embodiments. Apparently, the described drawings are only some embodiments of the present invention, not all embodiments, and those skilled in the art can obtain other designs and drawings based on these drawings without creative work.
图1是本发明工作状态下的截面图；Fig. 1 is a sectional view under the working state of the present invention;
图2是本发明预压状态下的截面图。Fig. 2 is a cross-sectional view of the present invention in a pre-compressed state.
具体实施方式Detailed ways
以下将结合实施例和附图对本发明的构思、具体结构及产生的技术效果进行清楚、完整地描述，以充分地理解本发明的目的、特征和效果。显然，所描述的实施例只是本发明的一部分实施例，而不是全部实施例，基于本发明的实施例，本领域的技术人员在不付出创造性劳动的前提下所获得的其他实施例，均属于本发明保护的范围。另外，文中所提到的所有联接/连接关系，并非单指构件直接相接，而是指可根据具体实施情况，通过添加或减少联接辅件，来组成更优的联接结构。本发明创造中的各个技术特征，在不互相矛盾冲突的前提下可以交互组合。The idea, specific structure and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and accompanying drawings, so as to fully understand the purpose, features and effects of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts belong to The protection scope of the present invention. In addition, all the connection/connection relationships mentioned in this article do not refer to the direct connection of components, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions. The various technical features in the invention can be combined interactively on the premise of not contradicting each other.
参照图1～图2，一种新型设备竖向振动隔振支座，包括截面为“凵”型的下基板1与截面为“冂”型的上滑动盖板2，所述上滑动盖板2扣置于下基板1上并围成一空腔3，所述上滑动盖板2的向下伸出部分罩盖住下基板1的向上伸出部分；所述空腔3内设置有弹簧4，所述弹簧4的两端分别抵住上滑动盖板2的顶部与下基板1的底部；所述空腔3内充满阻尼液；所述下基板1的顶端固定设有密封圈5；还包括滑动调节机构6，所述滑动调节机构6用于约束上滑动盖板2相对于下基板1只能做竖向轴线运动。通过设置的滑动调节机构6的约束，截面为“冂”型的上滑动盖板2相对于截面为“凵”型的下基板1做竖向轴线运动，上滑动盖板2与下基板1围成的空腔3内设有弹簧4与阻尼液，弹簧4的柔性可减小上部加速度反应，减小上部设备振动的能量，但是，弹簧4的阻尼比较小，为了提高隔振效果，在空腔3内充满了阻尼液，阻尼液可吸收并耗散振动输入的能量使设备振动反应衰减，从而与弹簧4一起达到隔振的效果。下基板1的顶端固定设有的密封圈5，防止阻尼液外泄。Referring to Figures 1 to 2, a new vertical vibration isolation support for equipment includes a lower base plate 1 with a cross section of "凵" shape and an upper sliding cover plate 2 with a cross section of "冂" shape, the upper sliding cover plate 2. Buckled on the lower base plate 1 and enclosing a cavity 3, the downward protruding part of the upper sliding cover plate 2 covers the upward protruding part of the lower base plate 1; the cavity 3 is provided with a spring 4 , the two ends of the spring 4 are against the top of the upper sliding cover plate 2 and the bottom of the lower substrate 1 respectively; the cavity 3 is filled with damping liquid; the top of the lower substrate 1 is fixedly provided with a sealing ring 5; A sliding adjustment mechanism 6 is included, and the sliding adjustment mechanism 6 is used to constrain the upper sliding cover plate 2 relative to the lower base plate 1 to only move along the vertical axis. Constrained by the provided sliding adjustment mechanism 6, the upper sliding cover plate 2 with a cross-section of “冂” type moves on the vertical axis relative to the lower base plate 1 with a “冂” type cross-section, and the upper sliding cover plate 2 and the lower base plate 1 enclose The formed cavity 3 is provided with a spring 4 and a damping fluid. The flexibility of the spring 4 can reduce the acceleration response of the upper part and reduce the vibration energy of the upper device. However, the damping of the spring 4 is relatively small. In order to improve the vibration isolation effect, the air The cavity 3 is filled with damping liquid, which can absorb and dissipate the energy input by vibration to attenuate the vibration response of the equipment, so as to achieve the effect of vibration isolation together with the spring 4 . A sealing ring 5 is fixedly provided on the top of the lower substrate 1 to prevent the damping fluid from leaking out.
进一步作为优选的实施方式，所述滑动调节机构6包括安装座61、安装孔62、螺杆63与调节螺母64，所述安装座61设在下基板1上，所述安装孔62设在上滑动盖板2上，所述螺杆63穿过安装孔62安装在安装座61上；所述调节螺母64位于安装孔62的上方且安装在螺杆63上；所述安装孔62的直径略大于螺杆63的外径，所述调节螺母64的外径大于安装孔62的直径。螺杆63穿过位于上滑动盖板2的安装孔62，安装在位于下基板1上的安装座61上，由于调节螺母64位于安装孔62的上方且安装在螺杆63上；安装孔62的直径略大于螺杆63的外径，调节螺母64的外径大于安装孔62的直径，上滑动盖板2相对于下基板1做有限的竖向轴线运动。Further as a preferred embodiment, the sliding adjustment mechanism 6 includes a mounting base 61, a mounting hole 62, a screw rod 63 and an adjusting nut 64, the mounting base 61 is set on the lower base plate 1, and the mounting hole 62 is set on the upper sliding cover On the board 2, the screw rod 63 is installed on the mounting base 61 through the mounting hole 62; the adjusting nut 64 is located above the mounting hole 62 and is mounted on the screw rod 63; the diameter of the mounting hole 62 is slightly larger than that of the screw rod 63 Outer diameter, the outer diameter of the adjusting nut 64 is larger than the diameter of the installation hole 62 . The screw rod 63 passes through the mounting hole 62 on the upper sliding cover plate 2 and is installed on the mounting seat 61 on the lower base plate 1, because the adjusting nut 64 is located above the mounting hole 62 and is mounted on the screw rod 63; the diameter of the mounting hole 62 Slightly larger than the outer diameter of the screw rod 63 , the outer diameter of the adjusting nut 64 is larger than the diameter of the mounting hole 62 , and the upper sliding cover plate 2 has a limited vertical axis movement relative to the lower base plate 1 .
进一步作为优选的实施方式，所述上滑动盖板2的下端设有上翼缘21，所述下基板1的底部设有下翼缘11，所述安装座61设在下翼缘11上，所述安装孔62设在上翼缘21上。设置上翼缘21与下翼缘11，方便安装座61与安装孔62的安装与设置。Further as a preferred embodiment, the lower end of the upper sliding cover plate 2 is provided with an upper flange 21, the bottom of the lower base plate 1 is provided with a lower flange 11, and the mounting seat 61 is arranged on the lower flange 11, so that The mounting holes 62 are provided on the upper flange 21 . The upper flange 21 and the lower flange 11 are provided to facilitate the installation and setting of the mounting seat 61 and the mounting hole 62 .
进一步作为优选的实施方式，所述安装座61内设有第一支承橡胶块7，所述螺杆63的足部穿过第一支承橡胶块7抵达安装座61的底部。由于螺杆63和安装座61都属于刚性构件，设备的上部振动可沿螺杆63传到下部，安装座61内设有第一支承橡胶块7，螺杆63的足部穿过第一支承橡胶块7抵达安装座61的底部，可有效的将上部振动隔离。As a further preferred embodiment, the mounting seat 61 is provided with a first supporting rubber block 7 , and the foot of the screw 63 passes through the first supporting rubber block 7 to reach the bottom of the mounting seat 61 . Since both the screw rod 63 and the mounting base 61 are rigid components, the vibration of the upper part of the equipment can be transmitted to the lower part along the screw rod 63. The mounting base 61 is provided with a first supporting rubber block 7, and the foot of the screw rod 63 passes through the first supporting rubber block 7. Reaching the bottom of the mounting seat 61 can effectively isolate the upper part from vibration.
进一步作为优选的实施方式，所述安装座61有四个，四个安装座61前后左右均匀分布在下翼缘11上；所述安装孔62、螺杆63、调节螺母64、第一支承橡胶块7与安装座61一一对应。通过前后左右四个安装孔62、螺杆63、调节螺母64、第一支承橡胶块7与安装座61的配合，即可把上滑动盖板2平稳安装于下基板1上。Further as a preferred embodiment, there are four mounting seats 61, and the four mounting seats 61 are evenly distributed on the lower flange 11 front, rear, left, and right; One-to-one correspondence with the mounting seat 61. The upper sliding cover plate 2 can be stably installed on the lower base plate 1 through the cooperation of the four mounting holes 62, the screw rod 63, the adjusting nut 64, the first supporting rubber block 7 and the mounting seat 61.
进一步作为优选的实施方式，所述下基板1的向上伸出部分的外侧壁上固定设有一柔性防护圈8，所述密封圈5与柔性防护圈8一体。密封圈5与柔性防护圈8一体，可以防止灰尘等杂物进入空腔3内。As a further preferred embodiment, a flexible protective ring 8 is fixedly provided on the outer wall of the upwardly protruding part of the lower substrate 1 , and the sealing ring 5 is integrated with the flexible protective ring 8 . The sealing ring 5 is integrated with the flexible protection ring 8 to prevent dust and other sundries from entering the cavity 3 .
进一步作为优选的实施方式，所述柔性防护圈8采用橡胶材质，所述柔性防护圈8包括多条橡胶圈，多条所述橡胶圈缠绕在下基板1的向上伸出部分的外侧壁上。柔性防护圈8采用橡胶材质，多条所述橡胶圈缠绕在下基板1的向上伸出部分的外侧壁上，可以很好地避免橡胶材质的柔性防护圈8受剪破坏。As a further preferred embodiment, the flexible protective ring 8 is made of rubber, and the flexible protective ring 8 includes a plurality of rubber rings, and the plurality of rubber rings are wound on the outer side wall of the upwardly protruding part of the lower substrate 1 . The flexible protective ring 8 is made of rubber, and multiple rubber rings are wound on the outer side wall of the upwardly extending part of the lower substrate 1, which can well prevent the flexible protective ring 8 made of rubber from being damaged by shearing.
进一步作为优选的实施方式，还包括第二支承橡胶块9，所述第二支承橡胶块9固定设置在上滑动盖板2的顶部的上表面。由于橡胶的良好弹性(体积不可压缩)，具有体积小、重量轻、使用方便、形状自由的优点，设置在上滑动盖板2的顶部的上表面的第二支承橡胶块9，可以吸收并耗散部分上部设备的振动输入的能量，使设备的竖向振动反应衰减。衰减后的竖向振动再经过上滑动盖板2与下基板1内设置的弹簧4与阻尼液，即可对设备的竖向振动起到较好的隔振效果。As a further preferred embodiment, it also includes a second supporting rubber block 9 , and the second supporting rubber block 9 is fixedly arranged on the upper surface of the top of the upper sliding cover plate 2 . Due to the good elasticity of rubber (incompressible in volume), it has the advantages of small size, light weight, convenient use, and free shape. The second supporting rubber block 9 arranged on the upper surface of the top of the upper sliding cover plate 2 can absorb and consume Dissipate the vibration input energy of the upper part of the equipment to attenuate the vertical vibration response of the equipment. After the attenuated vertical vibration passes through the spring 4 and the damping liquid provided in the upper sliding cover plate 2 and the lower base plate 1, a better vibration isolation effect can be achieved on the vertical vibration of the equipment.
进一步作为优选的实施方式，所述下基板1与上滑动盖板2均采用钢板材质。下基板1与上滑动盖板2均采用钢板材质，是由于钢板材质坚固耐用，对于设备能起到很好的支撑作用。As a further preferred embodiment, both the lower base plate 1 and the upper sliding cover plate 2 are made of steel plates. Both the lower base plate 1 and the upper sliding cover plate 2 are made of steel plate, because the steel plate material is strong and durable, and can play a good supporting role for the equipment.
螺杆63穿过位于上滑动盖板2的安装孔62，安装在位于下基板1上的安装座61上，上滑动盖板2相对于下基板1做有限的竖向轴线运动。工作的时候，上部设备的振动，通过设置在上滑动盖板2的顶部的上表面的第二支承橡胶块9，首先对竖向振动进行第一次吸收与耗散；然后通过上滑动盖板2与下基板1围成的空腔3内设有弹簧4与阻尼液对竖向振动进行第二次吸收与耗散；由于螺杆63和安装座61都属于刚性构件，设备的上部振动可沿螺杆63传到下部，安装座61内设有第一支承橡胶块7可有效的将上部振动隔离。The screw 63 passes through the mounting hole 62 of the upper sliding cover 2 and is installed on the mounting seat 61 of the lower base 1 . The upper sliding cover 2 moves relative to the lower base 1 in a limited vertical axis. When working, the vibration of the upper equipment first absorbs and dissipates the vertical vibration for the first time through the second supporting rubber block 9 arranged on the upper surface of the top of the upper sliding cover plate 2; then through the upper sliding cover plate 2 and the cavity 3 surrounded by the lower base plate 1 are provided with a spring 4 and a damping fluid to absorb and dissipate the vertical vibration for the second time; since the screw 63 and the mounting seat 61 are both rigid components, the upper vibration of the equipment can be along the The screw rod 63 passes to the lower part, and the first supporting rubber block 7 is provided in the mounting seat 61, which can effectively isolate the upper part from vibration.
以上对本发明的较佳实施方式进行了具体说明，但本发明创造并不限于所述实施例，熟悉本领域的技术人员在不违背本发明精神的前提下还可作出种种的等同变型或替换，这些等同的变型或替换均包含在本申请权利要求所限定的范围内。The preferred embodiments of the present invention have been described in detail above, but the invention is not limited to the described embodiments, and those skilled in the art can also make various equivalent modifications or replacements without violating the spirit of the present invention. These equivalent modifications or replacements are all within the scope defined by the claims of the present application.
Claims (9)
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