CN105822711A - Micro anisotropic shock absorber - Google Patents

Micro anisotropic shock absorber Download PDF

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Publication number
CN105822711A
CN105822711A CN201610359678.8A CN201610359678A CN105822711A CN 105822711 A CN105822711 A CN 105822711A CN 201610359678 A CN201610359678 A CN 201610359678A CN 105822711 A CN105822711 A CN 105822711A
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CN
China
Prior art keywords
vibration damping
screw
steel ball
shock absorption
vibroshock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610359678.8A
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Chinese (zh)
Inventor
胡百振
张建坤
吴建东
崔大朋
李文博
江俊
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Shanghai Aerospace Control Technology Institute
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Shanghai Aerospace Control Technology Institute
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Filing date
Publication date
Application filed by Shanghai Aerospace Control Technology Institute filed Critical Shanghai Aerospace Control Technology Institute
Priority to CN201610359678.8A priority Critical patent/CN105822711A/en
Publication of CN105822711A publication Critical patent/CN105822711A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00Vibration-dampers; Shock-absorbers

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention relates to a micro anisotropic shock absorber which comprises a base, a second shock absorption pad, a support, a first shock absorption pad, a shock absorption screw, a plurality of shock absorption steel balls and an internal screw, wherein the second shock absorption pad is arranged on the base; the support is arranged on the second shock absorption pad; the first shock absorption pad is arranged on the support; the shock absorption screw sequentially penetrates through the first shock absorption pad, the support, the second shock absorption pad and the base so that the support and the base can be connected; a T-shaped groove is formed downwards from the top of the shock absorption screw along a threaded rod of the shock absorption screw; a plurality of steel ball installation holes penetrating through the shock absorption screw are formed in the side wall of the lower portion of the T-shaped groove; the multiple shock absorption steel balls are arranged in the steel ball installation holes correspondingly; and the internal screw is arranged in the T-shaped groove of the shock absorption screw, and the shock absorption steel balls are tightly pressed onto and attached to the support by screwing the internal screw. By the adoption of the micro anisotropic shock absorber, high-frequency or low-frequency shock in the single direction can be filtered selectively, and the rigidity in the other two directions can be improved at the same time; and operation is easy and convenient, the applicability is high, installation is convenient, the structure is compact, the size is small, the occupied space is small, and the practicability is quite high.

Description

A kind of microminiature anisotropy vibroshock
Technical field
The present invention relates to a kind of vibroshock, specifically refer to a kind of microminiature anisotropy vibroshock, belong to the vibratory response technical field of Aero-Space product structure.
Background technology
Along with the development of the technical field such as Aero-Space, automobile industry, the working environment of some complete machines is more and more severe.Owing to complete machine can vibrate along with various high frequencies, low frequency in the course of the work, and the equipment such as a number of electronic accessories, sensor are installed on complete machine, requirement to vibration environment is the highest, so the vibration-proof structure design of the support means of these electronic accessories, sensor is extremely important to the design of whole complete machine.
In prior art, the conventional vibration-proof structure of traditional design is all integrated with unit or whole set equipment, i.e. the installation journal stirrup of unit or whole set equipment is a part for vibration-proof structure.So for needing the stand-alone device of frequent dismounting or replacing, dismounting or replacing are required for vibration-proof structure of dismantling every time, make dismounting and replaceability seem time-consuming, laborious, and troublesome poeration.
Simultaneously, the conventional vibration-proof structure of traditional design is to filter out some high frequencies in three orthogonal directions or low-frequency vibration simultaneously, but in practical engineering application, in fact have only to one direction and filter out high frequency or low-frequency vibration, and high frequency or the low-frequency vibration on two other direction is little on the impact of complete machine or unit.
Based on above-mentioned, needing a kind of novel damping structure of offer at present badly, need possess compact conformation, volume is little, it is simple to the feature installed and debug, and can solve the vibration damping problem of unit or complete machine in limited space.
Summary of the invention
It is an object of the invention to provide a kind of microminiature anisotropy vibroshock, it is possible to solve the problem that existing vibration-proof structure installing/dismounting is inconvenient;Can solve the problem that existing vibration-proof structure can only filter the high frequency in three mutually perpendicular directions or low-frequency vibration simultaneously, and can not high frequency on selective filter single direction or the problem of low-frequency vibration;Can solve the problem that in the confined space for the vibration damping problem of unit or complete machine.
For achieving the above object, the present invention provides a kind of microminiature anisotropy vibroshock, and it comprises: base;Second cushion blocking, it is arranged on the top of described base;Support, it is arranged on the top of the second described cushion blocking;First cushion blocking, it is arranged on the top of described support;Vibration damping screw, it sequentially passes through the first cushion blocking, support, the second cushion blocking and base support and base to be connected;From the top down of described vibration damping screw, and offer T word groove along the screw rod of this vibration damping screw, the lower sides of this T word groove offers multiple steel ball installing hole running through vibration damping screw;Multiple vibration damping steel balls, are correspondingly arranged in each steel ball installing hole;Inner bolt, it is arranged in the T word groove of described vibration damping screw, tightens this inner bolt so that each vibration damping steel ball is compressed and to be close on support.
Described microminiature anisotropy vibroshock, also comprises pad, and it is arranged between the head of screw of the first cushion blocking and vibration damping screw.
Described vibration damping screw, inner bolt and vibration damping steel ball all use stainless steel to make;Described pad uses metallic gasket;The first described cushion blocking and the second cushion blocking use rubber damper.
The first described cushion blocking and the second cushion blocking are in order to regulate the vibration damping on vertical direction.
Flat recess is offered at the top of described vibration damping screw.
Multiple steel ball installing holes the most uniformly run through on the lower sides of the T word groove being arranged on vibration damping screw, each steel ball installing hole and be correspondingly arranged between vibration damping steel ball within it employing interference fit;Described vibration damping steel ball is in order to the vibration damping in both direction orthogonal in regulating horizontal plane.
Be provided with the first external screw thread on the bottom outside face of described vibration damping screw, the medial surface of described base be provided with the first female thread, both coordinate by vibration damping screw-driving in base with realizes connection.
Being provided with the second female thread in the upper portion side wall of the T word groove of described vibration damping screw, the upper outside wall of described inner bolt is provided with the second external screw thread, both coordinate and are tightened in by inner bolt in the T word groove of vibration damping screw to realize connection.
The bottom of described inner bolt is wedge shaped, after inner bolt being tightened in the T word groove of vibration damping screw, its bottom wedge shaped squeeze is arranged on the vibration damping steel ball in each steel ball installing hole, is ejected by each vibration damping steel ball so that it is compress and be close on support in steel ball installing hole.
Described microminiature anisotropy vibroshock, the connection between two units and vibration damping.
Microminiature anisotropy vibroshock provided by the present invention, it is capable of the high frequency on selective filter single direction or low-frequency vibration, and can increase the rigidity in two other direction, existing vibration-proof structure then can only filter the high frequency in three mutually perpendicular directions or low-frequency vibration simultaneously simultaneously;And the present invention is simple to operation, the suitability is strong, it is simple to installing, compact conformation simultaneously, volume is little, takes up room smaller, has the strongest practicality.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the microminiature anisotropy vibroshock in the present invention;
Fig. 2 is the cross-sectional view of the vibration damping screw in the present invention;
Fig. 3 is the cross-sectional view of the inner bolt in the present invention.
Detailed description of the invention
Below in conjunction with Fig. 1~Fig. 3, describe a preferred embodiment of the present invention in detail.
As it is shown in figure 1, the microminiature anisotropy vibroshock provided for the present invention, it comprises: base 8;Second cushion blocking 7, it is arranged on the top of described base 8;Support 6, it is arranged on the top of the second described cushion blocking 7;First cushion blocking 4, it is arranged on the top of described support 6;Vibration damping screw 2, it sequentially passes through the first cushion blocking 4, support the 6, second cushion blocking 7 and base 8 support 6 and base 8 to be connected;As in figure 2 it is shown, from the top down of described vibration damping screw 2, and offer T word groove 22 along the screw rod of this vibration damping screw 2, the lower sides of this T word groove 22 offers multiple steel ball installing hole 23 running through vibration damping screw 2;Multiple vibration damping steel balls 5, are correspondingly arranged in each steel ball installing hole 23;Inner bolt 1, it is arranged in the T word groove 22 of described vibration damping screw 2, tightens this inner bolt 1 so that each vibration damping steel ball 5 is compressed and to be close on the frame 6.
Microminiature anisotropy vibroshock of the present invention, also comprises pad 3, and it is arranged between the first cushion blocking 4 and the head of screw of vibration damping screw 2.
In a preferred embodiment of the invention, described vibration damping screw 2, inner bolt 1 and vibration damping steel ball 5 all uses stainless steel to make;Described pad 3 uses metallic gasket;The first described cushion blocking 4 and the second cushion blocking 7 use rubber damper.
The first described cushion blocking 4 and the second cushion blocking 7 are in order to regulate the vibration damping in vertical X-direction.
As in figure 2 it is shown, flat recess 21 is offered at the top of described vibration damping screw 2, when installing vibration damping screw 2 to connect support 6 and base 8, such as straight screwdriver can be used to embed this flat recess 21 interior to tighten vibration damping screw 2.
Multiple steel ball installing holes 23 the most uniformly run through on the lower sides of the T word groove 22 being arranged on vibration damping screw 2, each steel ball installing hole 23 and be correspondingly arranged between vibration damping steel ball 5 within it employing interference fit;Described vibration damping steel ball 5 is in order to the vibration damping in both direction orthogonal in regulating horizontal plane (Y-direction and Z-direction).
In a preferred embodiment of the invention, the lower sides of the T word groove 22 of vibration damping screw 2 the most uniformly runs through 3 steel ball installing holes 23 are set, between the most adjacent two steel ball installing holes 23, be spaced 120 °.
Being provided with the first external screw thread 24 on the bottom outside face of described vibration damping screw 2, the medial surface of described base 8 is provided with the first female thread, it is interior to realize connecting that vibration damping screw 2 is tightened in base 8 by both cooperations.
It is provided with the second female thread in the upper portion side wall of the T word groove 22 of described vibration damping screw 2, as shown in Figure 3, being provided with the second external screw thread 11 on the upper outside wall of described inner bolt 1, both coordinate the T word groove 22 that inner bolt 1 is tightened in vibration damping screw 2 interior to realize connecting.
As shown in Figure 3, the bottom wedge shaped 12 of described inner bolt 1, after inner bolt 1 being tightened in the T word groove 22 of vibration damping screw 2, the extruding of its bottom wedge shape 12 is arranged on the vibration damping steel ball 5 in each steel ball installing hole 23, each vibration damping steel ball 5 is ejected in steel ball installing hole 23, make it compress and be close on the frame 6, thus increase support 6 in the Y direction with the rigidity of Z-direction.
Microminiature anisotropy vibroshock of the present invention, the connection between two units and vibration damping.In a preferred embodiment of the invention, the base of microminiature anisotropy vibroshock can be fixedly mounted on one of them unit, support is fixedly mounted on another unit, thus realize the connection between two units.But also it is not limited to above-mentioned mounting means, any by microminiature anisotropy vibroshock, the mounting means that two units connect is suitable for the present invention.In another preferred embodiment of the present invention, multiple vibration damping screw can be used between two units according to actual requirement of engineering, thus reaches more preferable effectiveness in vibration suppression.
Microminiature anisotropy vibroshock provided by the present invention, its installation process is: in each steel ball installing hole 23 being correspondingly placed on vibration damping screw 2 by each vibration damping steel ball 5, be then screwed into by inner bolt in the T word groove 22 of vibration damping screw 2, but temporarily first need not tighten.Afterwards vibration damping screw 2 is sequentially passed through pad the 3, first cushion blocking 4, support the 6, second cushion blocking 7 and base 8, thus support 6 and base 8 are coupled together.Finally inner bolt 1 is tightened, thus extrudes each vibration damping steel ball 5 and make it eject in steel ball installing hole 23, compress and be close on the frame 6, be effectively increased support 6 in the Y direction with the rigidity of Z-direction.
Microminiature anisotropy vibroshock provided by the present invention, has the following advantages and beneficial effect:
1, between the visual plant such as microminiature anisotropy vibroshock of the present invention and unit, there is independence, be by vibration damping screw, unit to be coupled together;Can solve the problem that the installation question of the equipment such as often dismounting, replacing unit;Simple to operate, the suitability is strong, it is simple to install, economical.
2, the conventional vibration-proof structure of traditional design is to filter out some high frequencies in three orthogonal directions or low-frequency vibration simultaneously, but one direction filter high-frequency or low-frequency vibration may be had only in practical engineering application, and the high frequency in two other direction or low-frequency vibration are little on its impact;Microminiature anisotropy vibroshock of the present invention is then capable of optionally filtering high frequency or the low-frequency vibration of wherein certain single direction.
3, microminiature anisotropy vibroshock of the present invention, compact conformation, volume is little, can solve the vibration damping problem of unit or complete machine, it is simple to install and debug in limited space.
Although present disclosure has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that the description above is not considered as limitation of the present invention.After those skilled in the art have read foregoing, multiple amendment and replacement for the present invention all will be apparent from.Therefore, protection scope of the present invention should be limited to the appended claims.

Claims (10)

1. a microminiature anisotropy vibroshock, it is characterised in that comprise:
Base (8);
Second cushion blocking (7), it is arranged on the top of described base (8);
Support (6), it is arranged on the top of described the second cushion blocking (7);
First cushion blocking (4), it is arranged on the top of described support (6);
Vibration damping screw (2), it sequentially passes through the first cushion blocking (4), support (6), the second cushion blocking (7) and base (8) support (6) and base (8) to be connected;From the top down of described vibration damping screw (2), and offer T word groove (22) along the screw rod of this vibration damping screw (2), the lower sides of this T word groove (22) offers multiple steel ball installing hole (23) running through vibration damping screw (2);
Multiple vibration damping steel balls (5), are correspondingly arranged in each steel ball installing hole (23);
Inner bolt (1), it is arranged in T word groove (22) of described vibration damping screw (2), tightens this inner bolt (1) so that each vibration damping steel ball (5) is compressed and to be close on support (6).
2. microminiature anisotropy vibroshock as claimed in claim 1, it is characterised in that also comprising pad (3), it is arranged between the head of screw of the first cushion blocking (4) and vibration damping screw (2).
3. microminiature anisotropy vibroshock as claimed in claim 2, it is characterised in that described the first cushion blocking (4) and the second cushion blocking (7) are in order to regulate the vibration damping on vertical direction.
4. microminiature anisotropy vibroshock as claimed in claim 3, it is characterised in that flat recess (21) is offered at the top of described vibration damping screw (2).
5. microminiature anisotropy vibroshock as claimed in claim 3, it is characterized in that, multiple steel ball installing holes (23) are the most uniformly run through on the lower sides of T word groove (22) being arranged on vibration damping screw (2), each steel ball installing hole (23) and be correspondingly arranged between vibration damping steel ball (5) within it employing interference fit;Described vibration damping steel ball (5) is in order to the vibration damping in both direction orthogonal in regulating horizontal plane.
6. microminiature anisotropy vibroshock as claimed in claim 5, it is characterized in that, it is provided with the first external screw thread (24) on the bottom outside face of described vibration damping screw (2), being provided with the first female thread on the medial surface of described base (8), vibration damping screw (2) is tightened in base (8) by both in cooperation.
7. microminiature anisotropy vibroshock as claimed in claim 5, it is characterized in that, it is provided with the second female thread in the upper portion side wall of T word groove (22) of described vibration damping screw (2), it is provided with the second external screw thread (11), in both coordinate T word groove (22) that inner bolt (1) is tightened in vibration damping screw (2) on the upper outside wall of described inner bolt (1).
8. microminiature anisotropy vibroshock as claimed in claim 5, it is characterized in that, the bottom wedge shaped (12) of described inner bolt (1), after inner bolt (1) being tightened in T word groove (22) of vibration damping screw (2), the extruding of its bottom wedge shape (12) is arranged on the vibration damping steel ball (5) in each steel ball installing hole (23), each vibration damping steel ball (5) is ejected in steel ball installing hole (23) so that it is compress and be close on support (6).
9. microminiature anisotropy vibroshock as claimed in claim 8, it is characterised in that described vibration damping screw (2), inner bolt (1) and vibration damping steel ball (5) all uses stainless steel to make;Described pad (3) uses metallic gasket;Described the first cushion blocking (4) and the second cushion blocking (7) use rubber damper.
10. microminiature anisotropy vibroshock as claimed in claim 8, it is characterised in that described microminiature anisotropy vibroshock is used for the connection between two units and vibration damping.
CN201610359678.8A 2016-05-27 2016-05-27 Micro anisotropic shock absorber Pending CN105822711A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610359678.8A CN105822711A (en) 2016-05-27 2016-05-27 Micro anisotropic shock absorber

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Application Number Priority Date Filing Date Title
CN201610359678.8A CN105822711A (en) 2016-05-27 2016-05-27 Micro anisotropic shock absorber

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CN105822711A true CN105822711A (en) 2016-08-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111765196A (en) * 2020-06-15 2020-10-13 上海航天控制技术研究所 Microminiature anisotropic shock absorber structure
WO2023087836A1 (en) * 2021-11-16 2023-05-25 北京卫星制造厂有限公司 Vibration-damping device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002021900A (en) * 2000-07-06 2002-01-23 Nifco Inc Shock absorber
CN2830752Y (en) * 2005-07-21 2006-10-25 陈凌 Fant connecting lockpin
US20080302622A1 (en) * 2007-04-16 2008-12-11 Polymatech Co., Ltd. Damper, and electronic component and electronic apparatus equipped with the damper
CN202349090U (en) * 2011-09-16 2012-07-25 湖北航天技术研究院总体设计所 Shock absorption device
CN204942392U (en) * 2015-09-16 2016-01-06 中国航空工业集团公司沈阳发动机设计研究所 A kind of bracket vibration damping structure of installing for sensor
CN204985238U (en) * 2015-07-15 2016-01-20 杭州铁泰自动化科技有限公司 Quick fixed position round pin

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002021900A (en) * 2000-07-06 2002-01-23 Nifco Inc Shock absorber
CN2830752Y (en) * 2005-07-21 2006-10-25 陈凌 Fant connecting lockpin
US20080302622A1 (en) * 2007-04-16 2008-12-11 Polymatech Co., Ltd. Damper, and electronic component and electronic apparatus equipped with the damper
CN202349090U (en) * 2011-09-16 2012-07-25 湖北航天技术研究院总体设计所 Shock absorption device
CN204985238U (en) * 2015-07-15 2016-01-20 杭州铁泰自动化科技有限公司 Quick fixed position round pin
CN204942392U (en) * 2015-09-16 2016-01-06 中国航空工业集团公司沈阳发动机设计研究所 A kind of bracket vibration damping structure of installing for sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111765196A (en) * 2020-06-15 2020-10-13 上海航天控制技术研究所 Microminiature anisotropic shock absorber structure
WO2023087836A1 (en) * 2021-11-16 2023-05-25 北京卫星制造厂有限公司 Vibration-damping device

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Application publication date: 20160803