CN102927187A - Three-dimensional equal stiffness metal vibration isolator - Google Patents

Three-dimensional equal stiffness metal vibration isolator Download PDF

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Publication number
CN102927187A
CN102927187A CN2012104496401A CN201210449640A CN102927187A CN 102927187 A CN102927187 A CN 102927187A CN 2012104496401 A CN2012104496401 A CN 2012104496401A CN 201210449640 A CN201210449640 A CN 201210449640A CN 102927187 A CN102927187 A CN 102927187A
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China
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spring
axle
vibration isolator
metal shell
helical spring
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CN2012104496401A
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CN102927187B (en
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班书昊
李晓艳
席仁强
蒋学东
胡爱萍
华同曙
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Jiangyin Intellectual Property Operation Co., Ltd
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Changzhou University
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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 rigidity metal 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 rigidity metal isolators such as a kind of three-dimensional.
Background technique
In electronic technology day by day flourishing today, 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, without resonance peak damped type vibration isolator etc., all there is such or such defective in they, are difficult to satisfy the requirement of three the directions simultaneously vibration isolation of electronic equipment in transportation process.Existing vibration isolator Z-direction rigidity is far longer than X-direction and Y-direction rigidity, therefore, when vehicle when the tertiary road face is exercised, the electronic equipment on it since three directional stiffness difference of vibration isolator of installing more easily break down.Therefore, realize that the rigidity vibration isolation such as three-dimensional has great importance.
Summary of the invention
Goal of the invention of the present invention: have three problems that the directional stiffness difference is larger for existing vibration isolator, the purpose of this invention is to provide a kind of rational in infrastructure, easy to assembly, rigidity metal isolators such as three-dimensional that vibration isolating effect is good.
Technological scheme of the present invention: the rigidity metal 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 the open circles tubbiness, and lower installation board is fixed in metal shell drum bottom; The helical spring axle is positioned at metal shell inside, described helical spring axle be the six roots of sensation one end be connected in same point space six to spring shaft, the other end is respectively epirelief axle, lower protruding axle, right protruding axle, left protruding axle, lordosis axle and rear protruding axle; The vibration isolator lid is the cylinder of top seal, and described vibration isolator lid is arranged at the top of metal shell, the inboard of described vibration isolator lid and metal shell outside transition fit; The lower protruding axle of described helical spring axle links to each other with the protruding axle of mounting plate that lower installation board central authorities arrange by the Z-direction lower spring, and the epirelief axle of described helical spring axle links to each other with the upper mounting blocks of being located at vibration isolator lid central authorities by the Z-direction upper spring; The left protruding axle of described helical spring axle, right protruding axle contact with the inwall of metal shell by X-direction left spring, the right spring of X-direction respectively; The lordosis axle of described helical spring axle, rear protruding axle contact with the inwall of metal shell by Y-direction front spring, Y-direction rear spring respectively.
The global stiffness of described Z-direction upper spring and Z-direction lower spring equals the global stiffness of described X-direction left spring and the right spring of X-direction; 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.
Two in the same way compression helical springs are installed on the described helical spring axle at least.
Be provided with in the circumferential direction of the circle four mounting holes that are fixed in frame around the described lower installation board.
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 rigidity metal isolators such as a kind of three-dimensional, the rigidity metal isolators such as this kind three-dimensional have identical rigidity in X-direction, Y-direction and Z-direction, can protect rigidity vibration isolation such as electronic equipment carry out that X-direction, Y-direction and Z-direction are carried out simultaneously.The Z-direction rigidity of existing vibration isolator is usually all much larger than X-direction and Y-direction rigidity, and difficulty realizes the vibration isolation of X-direction and Y-direction.Therefore, the rigidity metal isolators such as a kind of three-dimensional of the present invention's proposition are compared existing vibration isolator and more can be protected electronic equipment.
Description of drawings
Fig. 1 is the structural principle schematic diagram of the rigidity metal isolators such as three-dimensional of the present invention.
Fig. 2 is the stiffness structure principle schematic such as X-direction of the present invention and Z-direction.
Fig. 3 is the stiffness structure principle schematic such as X-direction of the present invention and Y-direction.
Fig. 4 is lower installation board structural representation of the present invention.
Fig. 5 is the rigidity metal isolator Z-direction scheme of installations such as three-dimensional of the present invention.
Among the figure, the 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 protruding axle of 11-mounting plate; 12-mounting hole; 31-epirelief axle; 32-lower protruding axle; 33-right protruding axle; 34-left protruding axle; 35-lordosis axle; 36-rear protruding axle; 41-Z-direction upper spring; 42-Z-direction lower spring; The right spring of 43-X-direction; 44-X-direction 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.
Referring to rigidity metal isolators such as shown in Figure 1, a kind of three-dimensionals 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 the open circles tubbiness, and lower installation board 1 is fixed in metal shell 2 drums bottom; Helical spring axle 3 is positioned at metal shell 2 inside, and the space six that described helical spring axle 3 is connected in same point for the six roots of sensation one end is to spring shaft, and the other end is respectively epirelief axle 31, lower protruding axle 32, right protruding axle 33, left protruding axle 34, lordosis axle 35 and rear protruding 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, inboard and metal shell 2 outside transition fit of described vibration isolator lid 6; The lower protruding axle 32 of described helical spring axle 3 links to each other with the protruding axle 11 of mounting plate that lower installation board 1 central authorities arrange by Z-direction lower spring 42, and the epirelief axle 31 of described helical spring axle 3 links to each other with the upper mounting blocks 5 of being located at vibration isolator and covering 6 central authorities by Z-direction upper spring 41; The left protruding axle 34 of described helical spring axle 3, right protruding axle 33 contact with the inwall of metal shell 2 by X-direction left spring 44, the right spring 43 of X-direction respectively; The lordosis axle 35 of described helical spring axle 3, rear protruding axle 36 contact with the inwall of metal shell 2 by Y-direction front spring 45, Y-direction rear spring 46 respectively.
Referring to Fig. 2 and shown in Figure 3, helical spring axle 3 of the present invention is positioned at metal shell 2 inside, the space six that described helical spring axle 3 is connected in same point for the six roots of sensation one end is to spring shaft, and the other end is respectively epirelief axle 31, lower protruding axle 32, right protruding axle 33, left protruding axle 34, lordosis axle 35 and rear protruding axle 36; Helical spring axle 3 is installed two in the same way compression helical springs 4 in one direction at least; Epirelief axle 31 on the described helical spring axle 3, lower protruding axle 32 are installed respectively Z-direction upper spring 41, Z-direction lower spring 42; Left protruding axle 34 on the described helical spring axle 3, right protruding axle 33 are installed respectively X-direction left spring 44, the right spring 43 of X-direction; Lordosis axle 35 on the described helical spring axle 3, rear protruding axle 36 are installed respectively Y-direction front spring 45, Y-direction rear spring 46; The global stiffness of described Z-direction upper spring 41 and Z-direction lower spring 42 equals the global stiffness of described X-direction left spring 44 and the right spring 43 of X-direction; The global stiffness of described Z-direction upper spring 41 and Z-direction lower spring 42 equals the global stiffness of described Y-direction front spring 45 and Y-direction rear spring 46.
Referring to shown in Figure 4, the center of lower installation board 1 of the present invention is provided with the protruding axle 11 of mounting plate, is provided with in the circumferential direction of the circle four mounting holes 12 for fixing to frame 7 around it.
Referring to rigidity metal isolator Z-direction scheme of installations such as shown in Figure 5, three-dimensionals of the present invention, equipment 8 is fixed on the mounting blocks 5 by equipment mounting hole 51, and lower installation board 1 is fixed on the equipment frame 7 by four mounting holes 12.If equipment 8 runs into the Z-direction vibration or impacts on the road surface, then equipment 8 compresses Z-direction upper springs 41 by upper mounting blocks 5, and then compression Z-direction lower spring 42; Two compression helical springs 4 of Z-direction be because distortion will absorb part energy, and the Z-direction active force that ground is delivered to equipment 8 has been carried out vibration isolation and buffering; Z-direction lower spring 42 and Z-direction upper spring 41 slowly extend afterwards, equipment 8 climbeds; Because the damping consumed energy of compression helical spring 4 inherences, the height that equipment 8 descends or rises can be very little, thereby realized the Z-direction vibration isolation.If equipment 8 runs into the X-direction vibration, then equipment 8 is transmitted to the right spring 43 of X-direction and X-direction left spring 44 with the impact force that it is subject to by helical spring axle 3, and impel the compression helical spring 4 of directions X to deform: when the right spring 43 of X-direction shortened, the X-direction left spring then extended; The X-direction active force that the distortion meeting absorption equipment frame 7 of X-direction compression helical spring 4 passes on the equipment 8 plays protection equipment.In like manner, Y-direction front spring and Y-direction rear spring are understood the Y-direction active force that absorption equipment frame 7 passes to equipment 8 equally.
The above is preferred implementation of the present invention only, should be pointed out that for the person of ordinary skill of the art, and some improvements and modifications of making under the prerequisite that does not break away from the principle of the invention all should be considered as protection scope of the present invention.

Claims (5)

1. the rigidity metal isolators 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 the open circles tubbiness, and lower installation board (1) is fixed in metal shell (2) drum bottom; Helical spring axle (3) is positioned at metal shell (2) inside, the space six that described helical spring axle (3) is connected in same point for the six roots of sensation one end is to spring shaft, and the other end is respectively epirelief axle (31), lower protruding axle (32), right protruding axle (33), left protruding axle (34), lordosis axle (35) and rear protruding 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), the inboard of described vibration isolator lid (6) and metal shell (2) outside transition fit; The lower protruding axle (32) of described helical spring axle (3) links to each other with the protruding axle of mounting plate (11) that lower installation board (1) central authorities arrange by Z-direction lower spring (42), and the epirelief axle (31) of described helical spring axle (3) links to each other with the upper mounting blocks (5) of being located at vibration isolator lid (6) central authorities by Z-direction upper spring (41); The left protruding axle (34) of described helical spring axle (3), right protruding axle (33) contact with the inwall of metal shell (2) by X-direction left spring (44), the right spring of X-direction (43) respectively; The lordosis axle (35) of described helical spring axle (3), rear protruding axle (36) contact with the inwall of metal shell (2) by Y-direction front spring (45), Y-direction rear spring (46) respectively.
2. the rigidity metal isolator such as a kind of three-dimensional according to claim 1 is characterized in that: described Z-direction upper spring (41) and the global stiffness of Z-direction lower spring (42) equal the global stiffness of described X-direction left spring (44) and the right spring of X-direction (43); The global stiffness of described Z-direction upper spring (41) and Z-direction lower spring (42) equals the global stiffness of described Y-direction front spring (45) and Y-direction rear spring (46).
3. the rigidity metal isolator such as a kind of three-dimensional according to claim 1 and 2 is characterized in that: two in the same way compression helical springs (4) are installed on the described helical spring axle (3) at least.
4. the rigidity metal isolator such as a kind of three-dimensional according to claim 1 and 2 is characterized in that: be provided with in the circumferential direction of the circle four mounting holes (12) that are fixed in frame (7) around the described lower installation board (1).
5. the rigidity metal 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 Active CN102927187B (en)

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Cited By (13)

* 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
CN104819234A (en) * 2015-05-06 2015-08-05 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
CN104832592A (en) * 2015-05-05 2015-08-12 常州大学 Adaptive equal-rigidity vibration isolator based on air-floatation-damping three-direction decoupling
CN104847831A (en) * 2015-05-05 2015-08-19 常州大学 Three dimension equal rigidity vibration isolator based on electric damping decoupling
CN104879417A (en) * 2015-05-05 2015-09-02 常州大学 Three-direction decoupled equal-rigidity vibration isolator based on air damping
CN104879434A (en) * 2015-05-05 2015-09-02 常州大学 Three-direction decoupled equal-rigidity vibration isolator based on integration of air damping and electric damping
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
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
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
CN108006358A (en) * 2017-12-21 2018-05-08 中国船舶重工集团公司第七〇九研究所 A kind of vibration isolation of pipeline device
CN109210130A (en) * 2018-10-15 2019-01-15 长沙天穹电子科技有限公司 A kind of damping liquid damping device

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* 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

Cited By (16)

* 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
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
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
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
CN104832592A (en) * 2015-05-05 2015-08-12 常州大学 Adaptive equal-rigidity vibration isolator based on air-floatation-damping three-direction decoupling
CN104847831A (en) * 2015-05-05 2015-08-19 常州大学 Three dimension equal rigidity vibration isolator based on electric damping decoupling
CN104879417A (en) * 2015-05-05 2015-09-02 常州大学 Three-direction decoupled equal-rigidity vibration isolator based on air damping
CN104879434A (en) * 2015-05-05 2015-09-02 常州大学 Three-direction decoupled equal-rigidity vibration isolator based on integration of air damping and electric damping
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
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
CN104832586A (en) * 2015-05-06 2015-08-12 常州大学 Adaptive equal-rigidity vibration isolator based on electric-damping three-direction decoupling
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
CN104819234A (en) * 2015-05-06 2015-08-05 常州大学 Magnetic suspension and electric combination three-way decoupling based self-adaptive equal-stiffness vibration isolator
CN108006358A (en) * 2017-12-21 2018-05-08 中国船舶重工集团公司第七〇九研究所 A kind of vibration isolation of pipeline device
CN109210130A (en) * 2018-10-15 2019-01-15 长沙天穹电子科技有限公司 A kind of damping liquid damping device

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