CN101586640A - Spring damping vibration isolator - Google Patents
Spring damping vibration isolator Download PDFInfo
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- CN101586640A CN101586640A CNA200910078380XA CN200910078380A CN101586640A CN 101586640 A CN101586640 A CN 101586640A CN A200910078380X A CNA200910078380X A CN A200910078380XA CN 200910078380 A CN200910078380 A CN 200910078380A CN 101586640 A CN101586640 A CN 101586640A
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- spring
- bearing plate
- pressing plate
- vibration isolator
- sleeve
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Abstract
The present invention discloses a spring damping vibration isolator used for the machinery. A spring is installed between a bearing plate and a clamping plate, and furthermore a damping device is provided between the bearing plate and the clamping plate, wherein the damping device is composed of a large sleeve, a small sleeve and a cylinder. The large sleeve is positioned at the bottom surface of the clamping plate. The cylinder is positioned at the bottom surface of the clamping plate and is positioned in the large sleeve. The small sleeve is positioned at the top surface of the bearing plate. The outer diameter of the small sleeve is smaller than the inner diameter of the large sleeve. Furthermore the small sleeve is corresponding with the cylinder, and damping agent is injected into the small sleeve. Two to eight springs can be installed between the bearing plate and the clamping plate, and the appropriate number of the springs is selected according to the specific requirement of the machinery. The bearing plate extends to the periphery and is manufactured to a pedal which has a gradient and is packed with one layer of rubber thereby exerting a certain auxiliary function for the worker in the production and living. When the spring damping vibration isolator used for the machinery according to the invention is used, the damping device and the spring operate simultaneously, and excellent vibration and noise elimination effect.
Description
Technical field
The present invention relates to a kind of vibration isolator, particularly a kind of spring damping vibration isolator that is used for machinery.
Background technique
Generally in process of production, when machine operation, produce vibration and noise owing to machinery running itself and with being rigidly connected of ground, seriously influenced the precision of operative workpiece, and workman's working environment is too noisy, vibration and noise that people are produced when eliminating machine operation have adopted many isolation mountings, play the quality that improves the working environment of workers and the effect of operative workpiece precision.At present, use on the market, as ZTG series damping spring vibration isolator, this damping spring vibration isolator is by bearing plate, spring, and pressing plate and a casing are formed, and damping agent is housed in the casing the inside, pressing plate and casing are one-body molded, and spring one end links to each other with bearing plate, and the other end of spring links to each other with casing, during use machine is placed on the pressing plate, in the time of machine operation, by damping agent and spring co-ordination, thus the effect that plays vibration isolation and abate the noise.But this isolator is because of the characteristics of himself mechanism, 1), still there is following shortcoming: because an end of spring connects bearing plate, the other end connect box, when using this structure to eliminate vibration, the energy of vibration was consumed a part by the damping agent in the casing before this, and then be to consume by spring, the energy that vibration is produced can not be eliminated in moment, on the time of eliminating vibration certain delay was arranged; 2), owing to use this structure, surface of contact was less when pressing plate was connected with machine, spring also will bear the weight of casing self, thereby makes that working life of spring of this vibration isolator is too short; 3), when moving this with damping spring vibration isolator of structure, because of it lacks necessary supplementary structure, the workman can not flexible movement its to corresponding position, very inconvenient during installation; 4), the surface of contact of this structure and machinery is not provided with bed course and makes that itself and machinery can not be well fastening.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of elimination vibration and noise result better on the basis of above-mentioned damping spring vibration isolator, and the spring damping vibration isolator of longer service life.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
Spring damping vibration isolator of the present invention is equipped with spring between bearing plate and pressing plate, damping device also is installed between bearing plate and pressing plate in addition, the composition structure of described damping device is such: it is made up of big sleeve, small sleeve and cylinder, wherein big sleeve is positioned at the bottom surface of pressing plate, cylinder also is positioned at the bottom surface of pressing plate and is positioned at the inside of big sleeve, small sleeve is positioned at the end face of bearing plate, its external diameter is less than the internal diameter of big sleeve, and small sleeve is corresponding with cylinder, injects damping agent in small sleeve.2-8 spring is installed between bearing plate and the pressing plate, and spring is connected with pressing plate with bearing plate by spring seat, and preferred, the spring number of installing between bearing plate and pressing plate is 4; In addition, also be provided with connecting sheet on bearing plate and pressing plate, connecting sheet is connected by screw with connecting rod, and an end of the close pressing plate of connecting rod has a slotted hole.Be furnished with one deck rubber pad to utilize cooperating of spring damping vibration isolator and machinery at the end face of pressing plate; Bearing plate to around extend and to make a pedal that has a gradient, and be wrapped with one deck rubber on the pedal, the gradient scope of pedal is 15 °～45 °, the outer of pedal is 40～80cm apart from the scope of bearing plate distance, preferably, the gradient of pedal is 20 °, and the outer of pedal is 60cm apart from the distance of bearing plate; In addition, the end face at the pressing plate of spring damping vibration isolator is provided with the collar.
Compared with prior art, damping device and spring in the spring damping vibration isolator provided by the invention are worked simultaneously, and damping device has adopted sleeve and column structure, make spring damping vibration isolator can be good at co-ordination, and the surface of contact of pressing plate is bigger, can eliminate vibration and noise moment; And the machinery that can adapt to different model by the mode that increases number of springs, when spring damping vibration isolator of the present invention is used for small mechanical equipment, as small-sized ordinary press or miniature high-speed press machine, then select two springs and damping device cooperating for use; When spring damping vibration isolator of the present invention is used for medium-sized machinery, can select 3-6 spring for use; When spring damping vibration isolator of the present invention is used for heavy mechanical equipment, can select for use 6-8 spring to come and the damping device cooperating, generally speaking, it is best to satisfy the needs and the effect of production work when selecting for use 4 springs and damping device to carry out cooperating.The present invention also provides the structure of connecting rod and connecting sheet; be used to connect pressing plate and bearing plate; end at the close pressing plate of connecting rod has slotted hole; the connecting sheet that is installed on the pressing plate can move up and down along slotted hole by screw; the distance that moves limits within the specific limits; adopt this structure; can so that when spring damping vibration isolator of the present invention when eliminating vibration and noise; damping device and spring co-ordination; pressing plate; cylinder in spring and the damping device can have a section to move downwards; the concrete numerical definiteness of this displacement is within the longitudinal length of the slotted hole on the connecting rod; at this time; the relative connecting rod of connecting sheet moves down; if be installed in the transient vibration displacement of machinery when production work in the present invention when excessive; when connecting sheet moves to limit position by the slotted hole of screw in connecting rod; and this moment, connecting rod just contacted with the bottom surface of pressing plate; to pressing plate and be installed in spring damping vibration isolator of the present invention and play a protective role; thereby avoid spring damping vibration isolator being caused brittle failure because of the transient vibration displacement of machinery when production work when excessive.Spring damping vibration isolator of the present invention has also adopted pedal structure, concrete, pedal is to extend to form around bearing plate, the gradient that adopts is 15 °～45 °, the outer of pedal is 40～80cm apart from the distance of bearing plate, after adopting this pedal structure, the workman can step down in pin on the pedal in production work, and thereby pedal structure is wrapped with the frictional force that one deck rubber has increased pedal, when the workman tramps with one's feet on pedal, stand the operation can better have an effect, thereby and because of its good stability avoid because of the operation workshop the glossy dangerous incident of skidding and causing in bottom surface, so spring damping vibration isolator of the present invention has good booster action.In addition, in R﹠D process of the present invention, selecting for use of the pedal gradient carried out experiment repeatedly, when the gradient of selecting for use during less than 15 °, the rubbing action because of pedal surface in the practice is too little, and the booster action that plays is also not obvious; When the gradient of selecting for use during greater than 45 °, the workman steps down in has falling tendency to cause astasia fixed on the pedal; When the gradient of selecting for use at 15 ° between 45 ° the time, the workman obtains good effect when stepping down on the pedal, wherein effect is best when the gradient of selecting for use is 30 °; In R﹠D process of the present invention, experiment has repeatedly also been carried out to the setting of bearing plate distance in the pedal outer, wherein when distance during less than 40cm, because of the length of people's pin generally between 25～35cm, stand on the pedal this moment, can barely satisfy the size of people's pin, the less stable when standing; When distance during,, taken too many space though can satisfy the size that the people stands fully greater than 80cm; When distance was between 40～80cm, pedal played good effect, and wherein when distance was 60cm, effect was best.
Description of drawings
Fig. 1 is spring damping vibration isolator first an embodiment's of the present invention schematic representation
Fig. 2 is the A-A sectional view of Fig. 1
Fig. 3 is the partial enlarged drawing of the shaft portion of spring damping vibration isolator of the present invention
Embodiment
The present invention will be further described in detail with embodiment below in conjunction with Fig. 1, Fig. 2 and Fig. 3.
First embodiment.Between bearing plate 10 and pressing plate 20, be provided with damping device 40, damping device 40 is made up of big sleeve 41, small sleeve 42 and cylinder 43, wherein big sleeve 41 is installed in the bottom surface at pressing plate 20, cylinder 43 also is installed in the bottom surface of pressing plate 20 and is positioned at big sleeve 41 inside, small sleeve 42 is installed in above the bearing plate 10, the external diameter of small sleeve 42 is less than the internal diameter of big sleeve 41, and small sleeve 42 is corresponding with cylinder 43, injects damping agent in the inside of small sleeve 42; Between bearing plate 10 and pressing plate 20, be provided with spring 30, spring 30 is positioned at the left and right sides of big sleeve 41, each side there are two, about big sleeve 41, respectively be provided with two spring seats 50 that are positioned on the bearing plate, equally the bottom surface of pressing plate 20 also be provided with bearing plate 10 on corresponding spring seat 50, mounting spring 30 on spring seat 50; Bearing plate 10 is made one to extension all around have the pedal 80 of the gradient, and be wrapped with rubber on this pedal 80, the gradient of the inclination of this pedal 80 is 20 °, and the outer of pedal 80 is 60cm apart from the distance of bearing plate 10; Be provided with two collars 90 at the end face of pressing plate 20 and be beneficial to moving of spring damping vibration isolator, this collar 90 can be dismantled, when using the collar 90 that spring damping vibration isolator is moved to the relevant position, with these collar 90 dismountings; Be provided with connecting sheet 60 on bearing plate 10 and pressing plate 20, connecting sheet 60 and connecting rod 70 are connected by screw, and connecting rod 70 has slotted hole 71 at the end near pressing plate 20; Be furnished with one deck rubber pad 21 at the end face of pressing plate 20 and be beneficial to cooperation with machinery.
During use, spring damping vibration isolator is moved and places the installation position of machinery with the collar 90, disassemble the collar 90, when machinery was worked, the cylinder 43 that is arranged in big sleeve 41 on the one hand in the damping device 40 contacted with the damping agent of small sleeve 42 and eliminates part vibration and noise; Spring 30 below the pressing plate 20 also consumes the vibration and the noise of a part on the other hand; Damping device 40 and spring 30 are worked simultaneously, thereby eliminate vibration and noise in moment.
Second embodiment.Between bearing plate 10 and pressing plate 20, be provided with damping device 40, damping device 40 is made up of big sleeve 41, small sleeve 42 and cylinder 43, wherein big sleeve 41 is installed in the bottom surface at pressing plate 20, cylinder 43 also is installed in the bottom surface of pressing plate 20 and is positioned at big sleeve 41 inside, small sleeve 42 is installed in above the bearing plate 10, the external diameter of small sleeve 42 is less than the internal diameter of big sleeve 41, and small sleeve 42 is corresponding with cylinder 43, injects damping agent in the inside of small sleeve 42; Between bearing plate 10 and pressing plate 20, be provided with spring 30, spring 30 is positioned at the left and right sides of big sleeve 41, each side there is one, about big sleeve 41, respectively be provided with a spring seat 50 that is positioned on the bearing plate, equally the bottom surface of pressing plate 20 also be provided with bearing plate 10 on corresponding spring seat 50, mounting spring 30 on spring seat 50; Bearing plate 10 is made one to extension all around have the pedal 80 of the gradient, and be wrapped with rubber on this pedal 80, the gradient of the inclination of this pedal 80 is 15 °, and the outer of pedal 80 is 40cm apart from the distance of bearing plate 10; Be provided with connecting sheet 60 on bearing plate 10 and pressing plate 20, connecting sheet 60 and connecting rod 70 are connected by screw, and connecting rod 70 has slotted hole 71 at the end near pressing plate 20; Be furnished with one deck rubber pad 21 at the end face of pressing plate 20 and be beneficial to cooperation with machinery.
The 3rd embodiment.Between bearing plate 10 and pressing plate 20, be provided with damping device 40, damping device 40 is made up of big sleeve 41, small sleeve 42 and cylinder 43, wherein big sleeve 41 is installed in the bottom surface at pressing plate 20, cylinder 43 also is installed in the bottom surface of pressing plate 20 and is positioned at big sleeve 41 inside, small sleeve 42 is installed in above the bearing plate 10, the external diameter of small sleeve 42 is less than the internal diameter of big sleeve 41, and small sleeve 42 is corresponding with cylinder 43, injects damping agent in the inside of small sleeve 42; Between bearing plate 10 and pressing plate 20, be provided with spring 30, spring 30 is positioned at the left and right sides of big sleeve 41, each side there are four, about big sleeve 41, respectively be provided with four spring seats 50 that are positioned on the bearing plate, equally the bottom surface of pressing plate 20 also be provided with bearing plate 10 on corresponding spring seat 50, mounting spring 30 on spring seat 50; Bearing plate 10 is made one to extension all around have the pedal 80 of the gradient, and be wrapped with rubber on this pedal 80, the gradient of the inclination of this pedal 80 is 45 °, and the outer of pedal 80 is 80cm apart from the distance of bearing plate 10; Be provided with two collars 90 at the end face of pressing plate 20 and be beneficial to moving of spring damping vibration isolator, this collar 90 can be dismantled, when using the collar 90 that spring damping vibration isolator is moved to the relevant position, with these collar 90 dismountings; Be provided with connecting sheet 60 on bearing plate 10 and pressing plate 20, connecting sheet 60 and connecting rod 70 are connected by screw, and connecting rod 70 has slotted hole 71 at the end near pressing plate 20.
Claims (10)
1, a kind of spring damping vibration isolator is equipped with spring (30) between bearing plate (10) and the pressing plate (20), it is characterized in that, between bearing plate (10) and the pressing plate (20) damping device (40) is installed also.
2, spring damping vibration isolator according to claim 1, it is characterized in that, described damping device (40) is made up of big sleeve (41), small sleeve (42) and cylinder (43), wherein big sleeve (41) is positioned at the bottom surface of pressing plate (20), cylinder (43) is positioned at the bottom surface of pressing plate (20) and is positioned at the inside of big sleeve (41), small sleeve (42) is positioned at the end face of bearing plate (10), the external diameter of small sleeve (42) is less than the internal diameter of big sleeve (41), and small sleeve (42) is corresponding with cylinder (43), injects damping agent in small sleeve (42).
3, spring damping vibration isolator according to claim 1 is characterized in that, between bearing plate (10) and the pressing plate (20) 2-8 spring (30) is installed, and spring (30) is connected with pressing plate (20) with bearing plate (10) by spring seat (50).
4, spring damping vibration isolator according to claim 3 is characterized in that, the quantity of the spring of installing between bearing plate (10) and the pressing plate (20) (30) is 4.
5, spring damping vibration isolator according to claim 1, it is characterized in that, be provided with connecting sheet (60) on bearing plate (10) and pressing plate (20), connecting sheet (60) is connected by screw with connecting rod (70), and an end of the close pressing plate (20) of connecting rod (70) has a slotted hole (71).
6, spring damping vibration isolator according to claim 1 is characterized in that, the end face of pressing plate (20) is furnished with one deck rubber pad (21).
7, spring damping vibration isolator according to claim 1 is characterized in that, bearing plate (10) to around extend and to make a pedal (80) that has a gradient, be wrapped with one deck rubber (81) on the pedal (80).
8, spring damping vibration isolator according to claim 7 is characterized in that, the gradient of described pedal (80) is 15 °～45 °, and the outer of pedal (80) is 40～80cm apart from the distance of bearing plate (10).
9, spring damping vibration isolator according to claim 8 is characterized in that, the gradient of described pedal (80) is 20 °, and the outer of pedal (80) is 60cm apart from the distance of bearing plate (10).
10, according to claim 1,2,3,4,5,6,7,8 or 9 described spring damping vibration isolators, it is characterized in that, be provided with the collar (90) at the end face of pressing plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200910078380XA CN101586640A (en) | 2009-02-27 | 2009-02-27 | Spring damping vibration isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200910078380XA CN101586640A (en) | 2009-02-27 | 2009-02-27 | Spring damping vibration isolator |
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| Publication Number | Publication Date |
|---|---|
| CN101586640A true CN101586640A (en) | 2009-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200910078380XA Pending CN101586640A (en) | 2009-02-27 | 2009-02-27 | Spring damping vibration isolator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392875A (en) * | 2011-07-08 | 2012-03-28 | 南京衡昕龙机电科技有限公司 | Dry friction damping-based micro-precision resonance-free vibration isolator |
| CN101718419B (en) * | 2009-12-25 | 2013-03-06 | 海洋王照明科技股份有限公司 | Lamp |
| CN107127042A (en) * | 2017-06-29 | 2017-09-05 | 长兴康兴石材有限公司 | A kind of shock-damping structure of the reducing mechanism of stone material |
| CN108408255A (en) * | 2018-03-19 | 2018-08-17 | 马鞍山问鼎网络科技有限公司 | A kind of VR equipment transhipment bogey |
| CN110688780A (en) * | 2019-10-17 | 2020-01-14 | 中国运载火箭技术研究院 | Novel buffer structure based on bionic principle |
-
2009
- 2009-02-27 CN CNA200910078380XA patent/CN101586640A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718419B (en) * | 2009-12-25 | 2013-03-06 | 海洋王照明科技股份有限公司 | Lamp |
| CN102392875A (en) * | 2011-07-08 | 2012-03-28 | 南京衡昕龙机电科技有限公司 | Dry friction damping-based micro-precision resonance-free vibration isolator |
| CN107127042A (en) * | 2017-06-29 | 2017-09-05 | 长兴康兴石材有限公司 | A kind of shock-damping structure of the reducing mechanism of stone material |
| CN108408255A (en) * | 2018-03-19 | 2018-08-17 | 马鞍山问鼎网络科技有限公司 | A kind of VR equipment transhipment bogey |
| CN110688780A (en) * | 2019-10-17 | 2020-01-14 | 中国运载火箭技术研究院 | Novel buffer structure based on bionic principle |
| CN110688780B (en) * | 2019-10-17 | 2023-11-10 | 中国运载火箭技术研究院 | Novel buffer structure based on bionic principle |
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Open date: 20091125 |