CN102927187B - Three-dimensional equal stiffness metal vibration isolator - Google Patents

Three-dimensional equal stiffness metal vibration isolator Download PDF

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Publication number
CN102927187B
CN102927187B CN201210449640.1A CN201210449640A CN102927187B CN 102927187 B CN102927187 B CN 102927187B CN 201210449640 A CN201210449640 A CN 201210449640A CN 102927187 B CN102927187 B CN 102927187B
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CN
China
Prior art keywords
spring
axle
vibration isolator
metal shell
convex
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CN201210449640.1A
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Chinese (zh)
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CN102927187A (en
Inventor
班书昊
李晓艳
席仁强
蒋学东
胡爱萍
华同曙
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常州大学
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Priority to CN201210449640.1A priority Critical patent/CN102927187B/en
Publication of CN102927187A publication Critical patent/CN102927187A/en
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Publication of CN102927187B publication Critical patent/CN102927187B/en

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Abstract

The invention discloses a three-dimensional equal stiffness metal vibration isolator and relates to the field of vibration isolation of electronic equipment. The three-dimensional equal stiffness metal vibration isolator comprises a metal outer shell of hollow round drum shape, a lower installing plate, a spiral spring shaft, six compression spiral springs, a vibration isolator cover and an upper mounting block, the lower installing plate is fixed at the bottom of the metal outer shell, the spiral spring shaft with six protruding shafts is arranged inside the metal outer shell, the six compression spiral springs are arranged on the six protruding shafts, the vibration isolator cover is arranged at the upper end of the metal outer shell, and the upper installing block is connected with an outside device. A vibration isolation method in the direction X, Y and Z is provided so as to achieve equal stiffness vibration isolation in three directions and be especially suitable for vehicles of transporting or loading the electronic equipment.

Description

The rigid metal vibration isolators such as a kind of three-dimensional
Technical field
The present invention relates generally to the vibration isolation field of electronic equipment, refers in particular to the rigid metal vibration isolators such as a kind of three-dimensional.
Background technique
In today that electronic technology is day by day flourishing, the vibration isolation of electronic equipment requires more and more higher.Existing widely used vibration isolator mainly contains rubber vibration isolator, metal spring vibration isolator, steel-wire isolator, resonance free peak damped type vibration isolator etc., all there is such or such defect in them, is difficult to the requirement meeting three the directions simultaneously vibration isolation of electronic equipment in transportation process.Existing vibration isolator Z-direction rigidity be far longer than X to Y-direction rigidity, therefore, when vehicle is exercised on tertiary road face, the electronic equipment on it due to install vibration isolator three directional stiffness difference easily break down comparatively greatly.Therefore, realize the rigidity vibration isolation such as three-dimensional to have great importance.
Summary of the invention
Goal of the invention of the present invention: there is the larger problem of three directional stiffness difference for existing vibration isolator, the object of this invention is to provide the rigid metal vibration isolators such as a kind of rational in infrastructure, easy to assembly, three-dimensional that vibration isolating effect is good.
Technological scheme of the present invention: the rigid metal vibration isolators such as a kind of three-dimensional, is characterized in that: it comprises lower installation board, metal shell, helical spring axle, compression helical spring, upper mounting blocks and vibration isolator lid; Described metal shell is open circles tubbiness, and lower installation board is fixed on bottom metal shell drum; Helical spring axle is positioned at metal shell inside, and described helical spring axle is that six roots of sensation one end is connected in the space six of same point to spring shaft, and the other end is respectively epirelief axle, lower convex axle, right convex axle, left convex axle, lordosis axle and rear convex axle; Vibration isolator lid is the cylinder of top seal, and described vibration isolator lid is arranged at the top of metal shell, transition fit outside the inner side of described vibration isolator lid and metal shell; The lower convex axle of described helical spring axle is connected with the convex axle of mounting plate that lower installation board central authorities are arranged by Z-direction lower spring, and the epirelief axle of described helical spring axle is connected with the upper mounting blocks being located at vibration isolator lid central authorities by Z-direction upper spring; The convex axle in a left side of described helical spring axle, right convex axle are respectively by the contact internal walls of X to left spring, X spring and metal shell to the right; The lordosis axle of described helical spring axle, rear convex axle are respectively by the contact internal walls of Y-direction front spring, Y-direction rear spring and metal shell.
The global stiffness of described Z-direction upper spring and Z-direction lower spring equals the global stiffness of described X to left spring and X spring to the right; The global stiffness of described Z-direction upper spring and Z-direction lower spring equals the global stiffness of described Y-direction front spring and Y-direction rear spring.
Described helical spring axle is at least installed two compression helical springs in the same way.
The surrounding of described lower installation board is along the circumferential direction provided with four mounting holes being fixed on frame.
The upper end of described upper mounting blocks passes the top of vibration isolator lid, and the top of upper mounting blocks is provided with the equipment mounting hole of connection device.
Beneficial effect of the present invention: propose the rigid metal vibration isolators such as a kind of three-dimensional, the rigid metal vibration isolators such as this kind of three-dimensional have identical rigidity at X to, Y-direction and Z-direction, can carry out X simultaneously the rigidity vibration isolation protection such as to carry out to, Y-direction and Z-direction to electronic equipment.The Z-direction rigidity of existing vibration isolator usually all much larger than X to Y-direction rigidity, the more difficult X that realizes is to the vibration isolation with Y-direction.Therefore, the rigid metal vibration isolator such as a kind of three-dimensional that the present invention proposes is compared existing vibration isolator and more can be protected electronic equipment.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of the rigid metal vibration isolators such as three-dimensional of the present invention.
Fig. 2 be X of the present invention to the stiffness structure principle schematic such as Z-direction.
Fig. 3 be X of the present invention to the stiffness structure principle schematic such as Y-direction.
Fig. 4 is lower installation board structural representation of the present invention.
Fig. 5 is the rigid metal vibration isolator Z-direction scheme of installations such as three-dimensional of the present invention.
In figure, 1-lower installation board; 2-metal shell; 3-helical spring axle; 4-compression helical spring; 5-upper mounting blocks; 6-vibration isolator lid; 7-equipment frame; 8-equipment; The convex axle of 11-mounting plate; 12-mounting hole; 31-epirelief axle; 32-lower convex axle; 33-right convex axle; 34-left convex axle; 35-lordosis axle; 36-rear convex axle; 41-Z-direction upper spring; 42-Z-direction lower spring; 43-X is spring to the right; 44-X is to left spring; 45-Y-direction front spring; 46-Y-direction rear spring; 51-equipment mounting hole.
Embodiment
Below with reference to the drawings and specific embodiments, the present invention is described in further detail.
Shown in Figure 1, the rigid metal vibration isolators such as a kind of three-dimensional of the present invention, it comprises lower installation board 1, metal shell 2, helical spring axle 3, compression helical spring 4, upper mounting blocks 5 and vibration isolator lid 6; Described metal shell 2 is open circles tubbiness, and lower installation board 1 is fixed on bottom metal shell 2 drum; It is inner that helical spring axle 3 is positioned at metal shell 2, and described helical spring axle 3 is connected in the space six of same point to spring shaft for six roots of sensation one end, and the other end is respectively epirelief axle 31, lower convex axle 32, right convex axle 33, left convex axle 34, lordosis axle 35 and rear convex axle 36; Vibration isolator lid 6 is the cylinder of top seal, and described vibration isolator lid 6 is arranged at the top of metal shell 2, transition fit outside the inner side of described vibration isolator lid 6 and metal shell 2; The lower convex axle 32 of described helical spring axle 3 is connected with the convex axle 11 of mounting plate that lower installation board 1 central authorities are arranged by Z-direction lower spring 42, and the epirelief axle 31 of described helical spring axle 3 is connected with the upper mounting blocks 5 being located at vibration isolator lid 6 central authorities by Z-direction upper spring 41; The convex axle in a left side 34 of described helical spring axle 3, right convex axle 33 are respectively by the contact internal walls of X to left spring 44, X spring 43 and metal shell 2 to the right; The lordosis axle 35 of described helical spring axle 3, rear convex axle 36 are respectively by the contact internal walls of Y-direction front spring 45, Y-direction rear spring 46 and metal shell 2.
Shown in Fig. 2 and Fig. 3, it is inner that helical spring axle 3 of the present invention is positioned at metal shell 2, described helical spring axle 3 is connected in the space six of same point to spring shaft for six roots of sensation one end, and the other end is respectively epirelief axle 31, lower convex axle 32, right convex axle 33, left convex axle 34, lordosis axle 35 and rear convex axle 36; Helical spring axle 3 at least installs two compression helical springs 4 in the same way in one direction; Epirelief axle 31 on described helical spring axle 3, lower convex axle 32 install Z-direction upper spring 41, Z-direction lower spring 42 respectively; The convex axle in a left side 34 on described helical spring axle 3, right convex axle 33 install X respectively to left spring 44, X spring 43 to the right; Lordosis axle 35 on described helical spring axle 3, rear convex axle 36 install Y-direction front spring 45, Y-direction rear spring 46 respectively; Described Z-direction upper spring 41 and the global stiffness of Z-direction lower spring 42 equal the global stiffness of described X to left spring 44 and X spring 43 to the right; Described Z-direction upper spring 41 and the global stiffness of Z-direction lower spring 42 equal the global stiffness of described Y-direction front spring 45 and Y-direction rear spring 46.
Shown in Figure 4, the center of lower installation board 1 of the present invention is provided with the convex axle 11 of mounting plate, and its surrounding is along the circumferential direction provided with four mounting holes 12 for being fixed on frame 7.
Shown in Figure 5, the rigid metal vibration isolator Z-direction scheme of installations such as three-dimensional of the present invention, equipment 8 is fixed on mounting blocks 5 by equipment mounting hole 51, and lower installation board 1 is fixed on equipment frame 7 by four mounting holes 12.If equipment 8 runs into Z-direction vibration or impacts on road surface, then equipment 8 compresses Z-direction upper spring 41 by upper mounting blocks 5, and then compression Z-direction lower spring 42; Two compression helical springs 4 of Z-direction will absorb part energy due to distortion, and carry out vibration isolation and buffering to the Z-direction active force that ground is delivered to equipment 8; Z-direction lower spring 42 and Z-direction upper spring 41 slowly extend afterwards, and equipment 8 slowly rises; Due to the damping consumed energy of compression helical spring 4 inherence, the height that equipment 8 declines or rises can be very little, thus achieve Z-direction vibration isolation.If equipment 8 runs into X to vibration, then equipment 8 impact force that it is subject to by helical spring axle 3 be transmitted to X to the right spring 43 and X to left spring 44, and impel the compression helical spring 4 of X-direction to deform: when spring 43 shortens X to the right, X then extends to left spring; X can pass to X on equipment 8 to active force by absorption equipment frame 7 to the distortion of compression helical spring 4, plays proterctive equipment.In like manner, Y-direction front spring and Y-direction rear spring understand the Y-direction active force that absorption equipment frame 7 passes to equipment 8 equally.
The foregoing is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, the some improvements and modifications made under the premise without departing from the principles of the invention, all should be considered as protection scope of the present invention.

Claims (4)

1. the rigid metal vibration isolator such as three-dimensional, is characterized in that: comprise lower installation board (1), metal shell (2), helical spring axle (3), compression helical spring (4), upper mounting blocks (5) and vibration isolator lid (6); Described metal shell (2) is open circles tubbiness, and lower installation board (1) is fixed on bottom metal shell (2) drum; It is inner that helical spring axle (3) is positioned at metal shell (2), described helical spring axle (3) is connected in the space six of same point to spring shaft for six roots of sensation one end, and the other end is respectively epirelief axle (31), lower convex axle (32), right convex axle (33), left convex axle (34), lordosis axle (35) and rear convex axle (36); The cylinder that vibration isolator lid (6) is top seal, described vibration isolator lid (6) is arranged at the top of metal shell (2), the inner side of described vibration isolator lid (6) and metal shell (2) outside transition fit; The lower convex axle (32) of described helical spring axle (3) is connected with the convex axle of mounting plate (11) that lower installation board (1) central authorities are arranged by Z-direction lower spring (42), and the epirelief axle (31) of described helical spring axle (3) is connected with the upper mounting blocks (5) being located at vibration isolator lid (6) central authorities by Z-direction upper spring (41); The convex axle in the left side (34) of described helical spring axle (3), right convex axle (33) are respectively by the contact internal walls of X to left spring (44), X spring (43) and metal shell (2) to the right; The lordosis axle (35) of described helical spring axle (3), rear convex axle (36) are respectively by the contact internal walls of Y-direction front spring (45), Y-direction rear spring (46) and metal shell (2); The global stiffness of described Z-direction upper spring (41) and Z-direction lower spring (42) equals the global stiffness of described X to left spring (44) and X spring (43) to the right; Described Z-direction upper spring (41) equals the global stiffness of described Y-direction front spring (45) and Y-direction rear spring (46) with the global stiffness of Z-direction lower spring (42).
2. the rigid metal vibration isolator such as a kind of three-dimensional according to claim 1, is characterized in that: described helical spring axle (3) is at least installed two compression helical springs (4) in the same way.
3. the rigid metal vibration isolator such as a kind of three-dimensional according to claim 1 and 2, is characterized in that: the surrounding of described lower installation board (1) is along the circumferential direction provided with four mounting holes (12) of being fixed on frame (7).
4. the rigid metal vibration isolator such as a kind of three-dimensional according to claim 1 and 2, it is characterized in that: the upper end of described upper mounting blocks (5) passes the top of vibration isolator lid (6), and the top of upper mounting blocks (5) is provided with the equipment mounting hole (51) of connection device (8).
CN201210449640.1A 2012-11-12 2012-11-12 Three-dimensional equal stiffness metal vibration isolator CN102927187B (en)

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Application Number Priority Date Filing Date Title
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CN102927187B true CN102927187B (en) 2015-02-04

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Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103148143A (en) * 2013-03-15 2013-06-12 南京捷诺环境技术有限公司 Variable damping and variable rigidity bottom vibration isolator
CN104879417A (en) * 2015-05-05 2015-09-02 常州大学 Three-direction decoupled equal-rigidity vibration isolator based on air damping
CN104847831B (en) * 2015-05-05 2017-01-11 常州大学 Three dimension equal rigidity vibration isolator based on electric damping decoupling
CN104832592B (en) * 2015-05-05 2017-01-11 常州大学 Adaptive equal-rigidity vibration isolator based on air-floatation-damping three-direction decoupling
CN104879434B (en) * 2015-05-05 2017-01-18 常州大学 Three-direction decoupled equal-rigidity vibration isolator based on integration of air damping and electric damping
CN104948656A (en) * 2015-05-05 2015-09-30 常州大学 Three-direction equal-stiffness vibration isolator on basis of magnetic suspension damping decoupling
CN104879436A (en) * 2015-05-05 2015-09-02 常州大学 Three-direction decoupled equal-rigidity vibration isolator based on integration of magnetic damping and electric damping
CN104819234B (en) * 2015-05-06 2017-01-11 常州大学 Magnetic suspension and electric combination three-way decoupling based self-adaptive equal-stiffness vibration isolator
CN104832586A (en) * 2015-05-06 2015-08-12 常州大学 Adaptive equal-rigidity vibration isolator based on electric-damping three-direction decoupling
CN104879435A (en) * 2015-05-06 2015-09-02 常州大学 Self-adaptive equal rigidity vibration isolator based on air floatation and electric combination three-dimensional decoupling
CN104948650A (en) * 2015-05-06 2015-09-30 常州大学 Adaptive equal-stiffness vibration isolator based on air floatation and magnetic floatation combination three-directional decoupling
CN109210130B (en) * 2018-10-15 2020-09-04 长沙天穹电子科技有限公司 Damping liquid damping device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09229133A (en) * 1996-02-19 1997-09-02 Anzen Sakudo Kk Ropeway pillar vibration damping device
CN2656712Y (en) * 2003-04-18 2004-11-17 杨俊德 Sockproof cushion
DE102004020605A1 (en) * 2004-04-27 2005-11-24 Erwin W. Kötter Consulting Engineers e.K. Vibration absorbing or compensating device, designed as housing accommodating mass element attached to helical springs
CN202176652U (en) * 2011-08-18 2012-03-28 中国飞机强度研究所 Hexahedral metal vibration isolator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09229133A (en) * 1996-02-19 1997-09-02 Anzen Sakudo Kk Ropeway pillar vibration damping device
CN2656712Y (en) * 2003-04-18 2004-11-17 杨俊德 Sockproof cushion
DE102004020605A1 (en) * 2004-04-27 2005-11-24 Erwin W. Kötter Consulting Engineers e.K. Vibration absorbing or compensating device, designed as housing accommodating mass element attached to helical springs
CN202176652U (en) * 2011-08-18 2012-03-28 中国飞机强度研究所 Hexahedral metal vibration isolator

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