CN203892435U - Two-way shock absorber based on disc springs - Google Patents
Two-way shock absorber based on disc springs Download PDFInfo
- Publication number
- CN203892435U CN203892435U CN201420000839.0U CN201420000839U CN203892435U CN 203892435 U CN203892435 U CN 203892435U CN 201420000839 U CN201420000839 U CN 201420000839U CN 203892435 U CN203892435 U CN 203892435U
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- China
- Prior art keywords
- belleville spring
- shock absorber
- guide rod
- hole
- way shock
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Abstract
The utility model discloses a two-way shock absorber based on disc springs. The two-way shock absorber comprises a first end cover, a first disc spring, a second disc spring, a guide rod, a second end cover and a cylinder body, wherein the first end cover is arranged at one end of the cylinder body; the second end cover is arranged at the other end of the cylinder body; a through hole is formed in the middle of the second end cover; the guide rod extends into the cylinder body; a baffle is arranged on the guide rod; the first disc spring is arranged on one side of the baffle; the second disc spring is arranged on the other side of the baffle; one end of the guide rod penetrates through the through hole. The two-way shock absorber based on the disc springs is simple in structure; with the disc springs arranged in a shell of the shock absorber, the two-way shock absorber is small in size and large in energy accumulation, so that the defects that various forming motions of heavy-duty mechanical equipment such as a speed reducer are disturbed and damaged due to shock in the process of hauling the equipment by the aid of hooks are overcome, the using performance of the two-way shock absorber is improved, and the average life of the two-way shock absorber is prolonged.
Description
Technical field
The utility model relates to a kind of two-way shock absorber based on belleville spring.
Background technique
At a high speed and high-power machinery equipment develop the serious problem such as vibration and noise of bringing rapidly, long-time use can cause part of devices to lose efficacy, instrument and apparatus is malfunctioning, the lost of life, when serious, even affect precision and the efficiency of machinery, the Performance And Reliability of reduction equipment, thereby initiation catastrophic effect, impact is produced, and causes extremely heavy economic loss.Elastic damping material and technology are the effective methods that vibration and noise occur for control structure resonance, structure, not only become the research field of very paying attention in the world, and obtain a lot of successfully application in industrial quarters, and obtained significant progress and achievement in recent years.In the German heavy mechanical equipment of China's import, major part has all adopted elastic damping material to reduce mechanical vibration and noise; And for example relay is class vibration sensing parts, and excessive vibratory response meeting makes relay malfunction and causes serious accident.The relay board of using on U.S.'s satellite, adopts the free damping material magnification factor that makes to resonate to be down to 6 by 44.Therefore, the inexorable trend of damping material and correlation technique application in electronics and the design of machinery vibration reduction and cushioning, makes research, development and utilization to it more and more be subject to people's attention, and has produced great society and economic benefit.
Spring, as traditional vibration damping instrument, is a kind of mechanical parts that utilize elasticity to carry out work.Spring has the function of good stored energy, can extend the action time of power, thus can effectively control parts motion, relax and impact or the size of vibration, storage or saving energy, measuring force etc., be therefore widely used in machine, instrument.
But conventional helical spring load is certain, therefore, can not adjust the load-carrying ability of oneself.Meanwhile, because space hold rate is higher, once break down, not very not convenient of maintenance.
Therefore, need a kind of new vibration damper to address the above problem.
Model utility content
For solving the deficiency of the common helical spring vibration damper of above-mentioned available technology adopting, the purpose of this utility model is to provide the better two-way shock absorber based on belleville spring of a kind of effectiveness in vibration suppression.
For solving the problems of the technologies described above, the technological scheme that the two-way shock absorber based on belleville spring of the present utility model adopts is as follows:
A kind of two-way shock absorber based on belleville spring, comprise the first end cap, the first belleville spring, the second belleville spring, guide rod, the second end cap and cylinder body, described the first end cap is arranged on one end of described cylinder body, described the second end cap is arranged on the other end of described cylinder body, the middle part of described the second end cap is provided with through hole, described guide rod stretches into described cylinder body, on described guide rod, be provided with baffle plate, described the first belleville spring is arranged on a side of described baffle plate, described the second belleville spring is arranged on the opposite side of described baffle plate, and one end of described guide rod is by described through hole.
Further, the other end of described guide rod is provided with outside thread, and described the second belleville spring is fixed on described guide rod by nut.
Further, also comprise screw, on described cylinder body, be provided with tapped through hole, described screw is by fixing described the second end cap of described tapped through hole.
Further, one end that described guide rod stretches out described cylinder body is provided with fixing device, in described fixing device, is provided with through hole, in described through hole, is provided with bearing pin.
Further, described fixing device is threaded with described guide rod.
Further, the middle part of described bearing pin is provided with bearing, and described bearing is fixed in described through hole.
Further, in described bearing pin, be provided with lubricating cup, described lubricating cup is communicated with described bearing.
Further, the arranged outside of described the first end cap has the second fixing device, in described the second fixing device, is provided with the second through hole, in described the second through hole, is provided with the second bearing pin.
Further, described the second fixing device is fixedly connected with described the first end cap.
Further, the quantity of described the first belleville spring is more than or equal to one, in the time that described the first butterfly spring quantity is one, described the first butterfly spring is enclosed within on described guide rod, in the time that described the first butterfly spring quantity is greater than one, described the first butterfly spring is evenly distributed on the surrounding of described guide rod; The quantity of described the second belleville spring is more than or equal to one, in the time that described the second belleville spring quantity is one, described the second belleville spring is enclosed within on described guide rod, in the time that described the second belleville spring quantity is greater than one, described the second belleville spring is evenly distributed on the surrounding of described guide rod, and described the first belleville spring is identical with the quantity of the second butterfly spring.
Further, the quantity of described the first belleville spring and the second belleville spring is four.Stressed more even, energy storage is higher.
Inventive principle:
Belleville spring is tapered in the axial direction and bears the special spring of load, and its rigidity is large, and buffering vibration absorption ability is strong, can bear large load with small deformation, and same belleville spring adopts different compound modes, can make spring performance in very large range change.Involutory, superimposed compound mode be can adopt, compound different-thickness, the compound mode of different sheet numbers etc. also can be adopted.Belleville spring is bearing after load deformation, saves certain potential energy, and in the time that relaxing appears in bolt, belleville spring release portion potential energy is to keep the pressure between flange connection to reach seal request.Belleville spring stress distribution is evenly successively decreased from inside to outside, can realize the effect of the high equilibrant force of low stroke.
Beneficial effect: the two-way shock absorber based on belleville spring of the present utility model is simple in structure, by the belleville spring of installing in vibration damper shell, volume is little, energy storage is large, thereby overcome the heavy duty equipments such as retarder interference and destruction with causing the various building motions of equipment to be subject to because of vibration in suspension hook haul, improved machine usability and mean lifetime.
Brief description of the drawings
Fig. 1 is the plan view of the two-way shock absorber based on belleville spring of the present utility model;
Fig. 2 is that the A-A of the two-way shock absorber based on belleville spring of the present utility model is to sectional view;
Fig. 3 is the left view of the two-way shock absorber based on belleville spring of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
Refer to shown in Fig. 1, Fig. 2 and Fig. 3, the two-way shock absorber based on belleville spring of the present utility model, comprises the first end cap 1, the first belleville spring 21, the second belleville spring 22, guide rod 3, the second end cap 4 and cylinder body 12.The first end cap 1 is arranged on one end of cylinder body 12, and the second end cap 4 is arranged on the other end of cylinder body 12.Wherein, the middle part of the second end cap 4 is provided with through hole, and guide rod 3 stretches into cylinder body 12, on guide rod 3, is provided with baffle plate, and the first belleville spring 21 is arranged on a side of baffle plate, and the second belleville spring 22 is arranged on the opposite side of baffle plate, and through hole is passed through in one end of guide rod 3.Wherein, the quantity of the first belleville spring 21 is more than or equal to one, and in the time that the first butterfly spring 21 quantity are one, the first butterfly spring 21 is enclosed within on guide rod 3, in the time that the first butterfly spring 21 quantity are greater than one, the first butterfly spring 21 is evenly distributed on the surrounding of guide rod 3; The quantity of the second belleville spring 22 is more than or equal to one, in the time that the second belleville spring 22 quantity are one, the second belleville spring 22 is enclosed within on guide rod 3, in the time that the second belleville spring 22 quantity are greater than one, the second belleville spring 22 is evenly distributed on the surrounding of guide rod 3, and the first belleville spring 21 is identical with the quantity of the second butterfly spring 22.Preferably, the quantity of the first belleville spring 21 is four, and four the first butterfly springs 21 are evenly distributed on the surrounding of guide rod 3, and the quantity of the second belleville spring 22 is four, and four the second butterfly springs 22 are evenly distributed on the surrounding of guide rod 3.The other end of guide rod 3 is provided with outside thread, and the second belleville spring 22 is fixed on guide rod 3 by nut 13.Wherein, on nut 13, be provided with anti-skidding back-up ring 14.Also comprise screw 11, on cylinder body 12, be provided with tapped through hole, screw 11 is fixed the second end cap 4 by tapped through hole, prevents that the second end cap 4 from sliding with cylinder body 12.One end that guide rod 3 stretches out cylinder body 12 is provided with fixing device 5, is provided with the first through hole in fixing device 5, is provided with bearing pin 10 in the first through hole.Fixing device 5 is threaded with guide rod 3.Fixing device 5 removably connects with guide rod 3, conveniently changes not fixing device according to different connection devices.The middle part of bearing pin 10 is provided with bearing 7, and bearing 7 is fixed in the first through hole, facilitates bearing pin 10 to rotate.Wherein, preferred, bearing 7 is plain radial bearing, can effectively ensure rotating freely of bearing pin 10.Wherein, plain radial bearing is to be fixed in the first through hole by two hole back-up rings 8.In bearing pin 10, be provided with lubricating cup 9, lubricating cup 9 is communicated with bearing 7, conveniently refuels for bearing 7, and bearing is better lubricated.Wherein, on bearing pin 10, be also provided with shaft block ring 8.Vibration damper is by bearing pin 10 and equipment connection.
The arranged outside of the first end cap 1 has in the second fixing device 16, the second fixing devices 16 and is provided with the second through hole, is provided with the second bearing pin 15 in the second through hole.The second fixing device is fixedly connected with the first end cap 1.On the second bearing pin 15, be also provided with the parts such as bearing, lubricating cup and shaft block ring.
Inventive principle:
Belleville spring is tapered in the axial direction and bears the special spring of load, and its rigidity is large, and buffering vibration absorption ability is strong, can bear large load with small deformation, and same belleville spring adopts different compound modes, can make spring performance in very large range change.Involutory, superimposed compound mode be can adopt, compound different-thickness, the compound mode of different sheet numbers etc. also can be adopted.Belleville spring is bearing after load deformation, saves certain potential energy, and in the time that relaxing appears in bolt, belleville spring release portion potential energy is to keep the pressure between flange connection to reach seal request.Belleville spring stress distribution is evenly successively decreased from inside to outside, can realize the effect of the high equilibrant force of low stroke.
Compared with cylindrically coiled spring, belleville spring has following characteristics:
One, have change stiffness characteristics, this spring has the nonlinear characteristics of very wide scope.
Two, belleville spring flakiness shape, is easy to form assembly parts, practicable cordwood assembling and replacing, thereby bring convenience to maintenance.
Three, band radial groove dish spring has zero stiffness characteristic.This specific character can be used in the occasion that requires spring force kept stable in certain deformation band.
Four, dish spring absorbing performance is not less than cylindrically coiled spring, when adopting when superimposed combination because the friction between dish reed has larger damping, and dissipation impact energy.
Two-way shock absorber based on belleville spring of the present utility model is simple in structure, by the belleville spring of installing in vibration damper shell, volume is little, energy storage is large, thereby overcome the heavy duty equipments such as retarder interference and destruction with causing the various building motions of equipment to be subject to because of vibration in suspension hook haul, improved machine usability and mean lifetime.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. the two-way shock absorber based on belleville spring, it is characterized in that, comprise the first end cap (1), the first belleville spring (21), the second belleville spring (22), guide rod (3), the second end cap (4) and cylinder body (12), described the first end cap (1) is arranged on one end of described cylinder body (12), described the second end cap (4) is arranged on the other end of described cylinder body (12), the middle part of described the second end cap (4) is provided with through hole, described guide rod (3) stretches into described cylinder body (12), described guide rod is provided with baffle plate on (3), described the first belleville spring (21) is arranged on a side of described baffle plate, described the second belleville spring (22) is arranged on the opposite side of described baffle plate, one end of described guide rod (3) is by described through hole.
2. the two-way shock absorber based on belleville spring as claimed in claim 1, it is characterized in that, the other end of described guide rod (3) is provided with outside thread, and described the second belleville spring (22) is fixed on described guide rod (3) by nut (13).
3. the two-way shock absorber based on belleville spring as claimed in claim 1, it is characterized in that, also comprise screw (11), described cylinder body is provided with tapped through hole on (12), and described screw (11) is by fixing described the second end cap (4) of described tapped through hole.
4. the two-way shock absorber based on belleville spring as claimed in claim 1, it is characterized in that, one end that described guide rod (3) stretches out described cylinder body (12) is provided with fixing device (5), described fixing device is provided with through hole on (5), is provided with bearing pin (10) in described through hole.
5. the two-way shock absorber based on belleville spring as claimed in claim 4, is characterized in that, described fixing device (5) is threaded with described guide rod (3).
6. the two-way shock absorber based on belleville spring as claimed in claim 4, is characterized in that, the middle part of described bearing pin (10) is provided with bearing (7), and described bearing (7) is fixed in described through hole.
7. the two-way shock absorber based on belleville spring as claimed in claim 1, it is characterized in that, the arranged outside of described the first end cap (1) has the second fixing device (16), in described the second fixing device (16), be provided with the second through hole, in described the second through hole, be provided with the second bearing pin (15).
8. the two-way shock absorber based on belleville spring as claimed in claim 7, is characterized in that, described the second fixing device is fixedly connected with described the first end cap (1).
9. the two-way shock absorber based on belleville spring as claimed in claim 1, it is characterized in that, the quantity of described the first belleville spring (21) is more than or equal to one, in the time that described the first belleville spring (21) quantity is one, described the first belleville spring (21) is enclosed within on described guide rod (3), in the time that described the first belleville spring (21) quantity is greater than one, described the first belleville spring (21) is evenly distributed on the surrounding of described guide rod (3); The quantity of described the second belleville spring (22) is more than or equal to one, in the time that described the second belleville spring (22) quantity is one, described the second belleville spring (22) is enclosed within on described guide rod (3), in the time that described the second belleville spring (22) quantity is greater than one, described the second belleville spring (22) is evenly distributed on the surrounding of described guide rod (3), and described the first belleville spring (21) is identical with the quantity of the second butterfly spring (22).
10. the two-way shock absorber based on belleville spring as claimed in claim 9, is characterized in that, the quantity of described the first belleville spring (21) and the second belleville spring (22) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420000839.0U CN203892435U (en) | 2014-01-02 | 2014-01-02 | Two-way shock absorber based on disc springs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420000839.0U CN203892435U (en) | 2014-01-02 | 2014-01-02 | Two-way shock absorber based on disc springs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203892435U true CN203892435U (en) | 2014-10-22 |
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ID=51718843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420000839.0U Expired - Fee Related CN203892435U (en) | 2014-01-02 | 2014-01-02 | Two-way shock absorber based on disc springs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203892435U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471165A (en) * | 2015-12-29 | 2016-04-06 | 中电电机股份有限公司 | Vertical motor jack |
| CN107035346A (en) * | 2016-02-04 | 2017-08-11 | 中石化石油工程技术服务有限公司 | One kind is used for cable transfer perforation damper |
| CN109099098A (en) * | 2018-10-15 | 2018-12-28 | 陈俊 | A kind of vehicular shock absorber |
| CN110767324A (en) * | 2019-10-28 | 2020-02-07 | 中国科学院合肥物质科学研究院 | Flexible supporting device for cladding backboard of nuclear fusion device |
-
2014
- 2014-01-02 CN CN201420000839.0U patent/CN203892435U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471165A (en) * | 2015-12-29 | 2016-04-06 | 中电电机股份有限公司 | Vertical motor jack |
| CN107035346A (en) * | 2016-02-04 | 2017-08-11 | 中石化石油工程技术服务有限公司 | One kind is used for cable transfer perforation damper |
| CN109099098A (en) * | 2018-10-15 | 2018-12-28 | 陈俊 | A kind of vehicular shock absorber |
| CN110767324A (en) * | 2019-10-28 | 2020-02-07 | 中国科学院合肥物质科学研究院 | Flexible supporting device for cladding backboard of nuclear fusion device |
| CN110767324B (en) * | 2019-10-28 | 2021-08-03 | 中国科学院合肥物质科学研究院 | Flexible supporting device for cladding backboard of nuclear fusion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20160102 |
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| EXPY | Termination of patent right or utility model |