CN112081849A - Three-way equal-rigidity metal damping shock absorber and working method thereof - Google Patents
Three-way equal-rigidity metal damping shock absorber and working method thereof Download PDFInfo
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- CN112081849A CN112081849A CN202011119718.4A CN202011119718A CN112081849A CN 112081849 A CN112081849 A CN 112081849A CN 202011119718 A CN202011119718 A CN 202011119718A CN 112081849 A CN112081849 A CN 112081849A
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 66
- 230000035939 shock Effects 0.000 title claims abstract description 65
- 238000013016 damping Methods 0.000 title claims abstract description 39
- 239000002184 metal Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 9
- 229920001967 Metal rubber Polymers 0.000 claims abstract description 41
- 238000010521 absorption reaction Methods 0.000 claims abstract description 10
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 6
- 150000003839 salts Chemical class 0.000 abstract description 5
- 239000003595 mist Substances 0.000 abstract description 4
- 230000007547 defect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
- F16F3/08—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber
- F16F3/10—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber combined with springs made of steel or other material having low internal friction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Vibration Dampers (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a three-way equal-rigidity metal damping shock absorber and a working method thereof, which are characterized in that: establish the shell of fixing on the base including base and cover, be equipped with supporter and equipartition in the shell and establish the helical spring between supporter downside and base to one side, be equipped with bowl shape metal rubber between the upper portion of supporter and the interior bottom surface of shell, between the lower part of supporter and the base upper surface. The shock absorber structure is formed by assembling a spring, a metal rubber damping element and other metal connecting parts, and is a pure metal shock absorber device which can meet the application requirements of complex environments such as high and low temperature, salt mist, damp and hot and the like; the equal-rigidity vibration reduction requirements of the vibration absorber in the length direction, the width direction and the height direction can be realized; when the shock absorber under the rated load is subjected to multidirectional load, the bowl-shaped metal rubber damping element in the shock absorber can play a three-way damping energy dissipation and shock absorption role.
Description
The technical field is as follows:
the invention relates to a vibration damper meeting the requirements of multidirectional loads and complex service environments of precision mechanical equipment, in particular to a three-way equal-rigidity metal damping vibration damper and a working method thereof.
Background art:
the existing three-way damper has the following problems and defects:
1) the shock absorber using the traditional rubber as a shock absorbing and energy dissipating element is difficult to meet the service conditions of complex environments such as high and low temperature, large load impact, salt mist, damp heat and the like.
2) The existing three-way shock absorber mainly adopts horizontally placed spatial dislocation shock absorption springs, the space utilization rate is low, the structural size is large, and the existing three-way equal-stiffness shock absorber adopts umbrella-shaped and other damping shock absorption elements which are responsible for the structural damping, so that the shock absorption parameters in all directions are difficult to calculate and represent.
The invention content is as follows:
in view of the defects of the prior art, the invention aims to provide a three-way equal-rigidity metal damping shock absorber and a working method thereof, the three-way equal-rigidity metal damping shock absorber is beneficial to meeting the requirements of a pure metal shock absorber applied in complex environments such as high and low temperature, salt spray, damp and hot and the like, and has the advantages of simple integral structure and high space utilization rate.
The invention discloses a three-way equal-rigidity metal damping shock absorber, which is characterized in that: establish the shell of fixing on the base including base and cover, be equipped with supporter and equipartition in the shell and establish the helical spring between supporter downside and base to one side, be equipped with bowl shape metal rubber between the upper portion of supporter and the interior bottom surface of shell, between the lower part of supporter and the base upper surface.
Furthermore, the upper portion and the lower portion of the supporting body are provided with protruding columns, the protruding columns are sleeved with bowl-shaped metal rubber, the bowl-shaped metal rubber is located and locked and fixed through locking gaskets and fastening bolts located on the sides of the bowl-shaped metal rubber, and the protruding columns located on the upper portion of the supporting body extend out of the through holes in the middle of the shell.
Furthermore, a T-shaped groove is formed in the side portion of the supporting body, a T-shaped sliding block is arranged in the T-shaped groove in a sliding mode, and a rectangular gasket and a locking bolt which are used for pressing the T-shaped sliding block are arranged on the supporting body and located above the T-shaped groove.
Furthermore, the first end of the spiral spring is embedded in the T-shaped groove and is pressed by the T-shaped sliding block; and the second end of the spiral spring is embedded in a groove of the wedge-shaped upper boss of the base.
Furthermore, three to four groups of spiral springs are arranged in the base and the shell.
Furthermore, the convex column at the upper part of the supporting body is sleeved with upper bowl-shaped metal rubber, and the convex column at the lower part of the supporting body is sleeved with lower bowl-shaped metal rubber.
The invention relates to a working method of a three-way equal-rigidity metal damping shock absorber, which is characterized by comprising the following steps of: the three-way equal-stiffness metal damping shock absorber comprises a base and a shell which is covered and fixed on the base, wherein a supporting body and spiral springs which are uniformly and obliquely arranged between the lower side part of the supporting body and the base are arranged in the shell, and bowl-shaped metal rubber is arranged between the upper part of the supporting body and the inner bottom surface of the shell and between the lower part of the supporting body and the upper surface of the base; when the device is installed, the upper bowl-shaped metal rubber 6 is fixed on the shell 12 through the upper bowl-shaped metal rubber fastening bolt 1 and the locking gasket 8, and the lower bowl-shaped metal rubber 13 is fixed on the base 10 through the fastening bolt 5 and the locking gasket 4; then the coil spring is mounted: one end of a spiral spring 9 is placed on a base 10, the other end of the spiral spring is placed in a T-shaped groove of a support body 7, a T-shaped sliding block locking bolt 14 is screwed in, so that a rectangular gasket 2 moves downwards, the rectangular gasket 2 drives a T-shaped sliding block 3 to move downwards, and the spiral spring 9 is pressed, locked and positioned; finally, the housing 12 and the base 10 are fixed by the locking bolt 11.
Furthermore, the supporting body 7 of the assembled three-way equal-stiffness vibration absorber is fixedly connected with the device to be damped through threads, and the base 10 and the shell 12 are fixed with a supporting plane through bolts; after the shock absorber bears the rated load, the space included angle between the inner spiral spring of the shock absorber and the horizontal plane of the base is 35.26 degrees, at the moment, when the shock absorber under the rated load bears the external load, equal-rigidity shock absorption in the three directions of length, width and height is realized, and meanwhile, the bowl-shaped metal rubber in the shock absorber plays a role in damping energy dissipation in the three directions.
The invention designs a metal damping vibration absorber meeting three-dimensional equal rigidity aiming at the vibration reduction problems of multidirectional load and complex service environment of precision mechanical equipment, the structure of the vibration absorber is assembled by a spring, a metal rubber damping element and other metal connecting parts, and the vibration absorber is a pure metal vibration absorber which can meet the application of complex environments such as high and low temperature, salt mist, damp and hot and the like; the vibration reduction and isolation core element adopts the inclined spiral spring, and has simple integral structure and high space utilization rate; after bearing rated load, the space included angle between the inner spring and the horizontal plane of the base is 35.26 degrees, so that the equal-rigidity vibration reduction requirements of the vibration absorber in the length direction, the width direction and the height direction are met; when the shock absorber under rated load is subjected to multidirectional load, the bowl-shaped metal rubber damping element in the shock absorber can play a three-way damping energy dissipation and shock absorption role; in addition, in order to prevent the shock absorber from overloading, the spring is looped or plastically deformed, a limiting structure is designed for the shock absorber, and the shock absorbing spring is ensured to work in an elastic range.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Description of the drawings:
FIG. 1 is a top view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a perspective view, partially in section, of the present invention;
fig. 4 is an enlarged view of the portion K of fig. 3.
The specific implementation mode is as follows:
in order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.
The invention relates to a three-way equal-rigidity metal damping shock absorber, which comprises a base 10 and a shell 12 covered and fixed on the base, wherein a supporting body 7 and a spiral spring 9 uniformly and obliquely arranged between the lower side part of the supporting body 7 and the base 10 are arranged in the shell 12, the axis line of the spiral spring 9 forms an included angle of 35.26 degrees with the horizontal plane of the base, bowl-shaped metal rubber is arranged between the upper part of the supporting body 7 and the inner bottom surface of the shell and between the lower part of the supporting body and the upper surface of the base, and is respectively an upper bowl-shaped metal rubber 6 and a lower bowl-shaped metal rubber locking gasket 4, wherein the upper bowl-shaped metal rubber 6 is sleeved on an upper convex column 15 at the upper part of the supporting body for positioning and is pressed and fixed through the upper bowl-shaped metal rubber locking gasket 8 and an upper bowl-shaped metal rubber fastening bolt 1, the lower bowl-shaped metal rubber 13 is sleeved on a lower convex column 16 at the lower part of the supporting body for, wherein the upper stud 15 at the upper part of the support body protrudes through a through hole 17 in the middle of the housing.
Furthermore, in order to meet the use requirement and facilitate positioning, 3-4T-shaped grooves 18 (i.e., three to four groups of coil springs) are uniformly distributed on the side of the support body 7, the T-shaped sliding blocks 3 are slidably arranged in the T-shaped grooves 18, and the rectangular gasket 2 and the locking bolt 14 for pressing the T-shaped sliding blocks 3 are arranged on the support body 7 above the T-shaped grooves 18.
Furthermore, in order to facilitate the limit of the spiral spring 9, the first end of the spiral spring 9 is embedded in the T-shaped groove 18 and is pressed by the T-shaped sliding block 3 and the rectangular gasket 2; the second end of the helical spring is embedded in the groove of the wedge-shaped upper boss 19 of the base, when the device is acted by external force, the supporting body 7 moves towards the base direction, and the two ends of the helical spring 9 are limited, so that the helical spring 9 only mainly deforms along the axial extension of the helical spring.
The invention relates to a working method of a three-way equal-stiffness metal damping shock absorber, which comprises a base and a shell, wherein the shell is covered and fixed on the base, a supporting body and spiral springs which are uniformly and obliquely arranged between the lower side part of the supporting body and the base are arranged in the shell, and bowl-shaped metal rubber is arranged between the upper part of the supporting body and the inner bottom surface of the shell and between the lower part of the supporting body and the upper surface of the base; when the device is installed, the upper bowl-shaped metal rubber 6 is fixed on the shell 12 through the upper bowl-shaped metal rubber fastening bolt 1 and the locking gasket 8, and the lower bowl-shaped metal rubber 13 is fixed on the base 10 through the fastening bolt 5 and the locking gasket 4; then the coil spring is mounted: one end of a spiral spring 9 is placed on a base 10, the other end of the spiral spring is placed in a T-shaped groove of a support body 7, a T-shaped sliding block locking bolt 14 is screwed in, so that a rectangular gasket 2 moves downwards, the rectangular gasket 2 drives a T-shaped sliding block 3 to move downwards, and the spiral spring 9 is pressed, locked and positioned; finally, the housing 12 and the base 10 are fixed by the locking bolt 11.
Furthermore, the supporting body 7 of the assembled three-way equal-stiffness vibration absorber is fixedly connected with the device to be damped through threads, and the base 10 and the shell 12 are fixed with a supporting plane through bolts; after the shock absorber bears the rated load, the space included angle between the inner spiral spring of the shock absorber and the horizontal plane of the base is 35.26 degrees, at the moment, when the shock absorber under the rated load bears the external load, equal-rigidity shock absorption in the three directions of length, width and height is realized, and meanwhile, the bowl-shaped metal rubber in the shock absorber plays a role in damping energy dissipation in the three directions.
The invention designs a metal damping vibration absorber meeting three-dimensional equal rigidity aiming at the vibration reduction problems of multidirectional load and complex service environment of precision mechanical equipment, the structure of the vibration absorber is assembled by a spring, a metal rubber damping element and other metal connecting parts, and the vibration absorber is a pure metal vibration absorber which can meet the application of complex environments such as high and low temperature, salt mist, damp and hot and the like; the vibration reduction and isolation core element adopts the inclined spiral spring, and has simple integral structure and high space utilization rate; after bearing rated load, the space included angle between the inner spring and the horizontal plane of the base is 35.26 degrees, so that the equal-rigidity vibration reduction requirements of the vibration absorber in the length direction, the width direction and the height direction are met; when the shock absorber under rated load is subjected to multidirectional load, the bowl-shaped metal rubber damping element in the shock absorber can play a three-way damping energy dissipation and shock absorption role; in addition, in order to prevent the shock absorber from overloading, the spring is looped or plastically deformed, a limiting structure is designed for the shock absorber, and the shock absorbing spring is ensured to work in an elastic range.
The invention has the advantages that:
1) the invention adopts metal rubber which is widely applied in the engineering fields of spaceflight, navigation and the like as the damping material, thereby enhancing the high and low temperature resistance, corrosion resistance, aging resistance and the like of the shock absorber, prolonging the service life of the shock absorber and widening the application field of the shock absorber.
2) The shock absorber adopts the inclined spiral spring in the aspect of structure, and has simple structure and high space utilization rate.
3) The shock absorber under rated load can realize equal-rigidity shock absorption and damping energy consumption in three directions of length, width and height;
the product can be used for damping of equipment, is suitable for the fields of traditional automobiles, machinery and the like, and can be widely applied to the field of equipment with severe working environments, such as aerospace, navigation chemical industry, nuclear energy and the like.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a three-dimensional rigidity metal damping shock absorber that equals which characterized in that: establish the shell of fixing on the base including base and cover, be equipped with supporter and equipartition in the shell and establish the helical spring between supporter downside and base to one side, be equipped with bowl shape metal rubber between the upper portion of supporter and the interior bottom surface of shell, between the lower part of supporter and the base upper surface.
2. The three-way equal stiffness metal damping shock absorber according to claim 1, wherein: the upper portion and the lower part of supporter all are equipped with the projection, the cover is equipped with bowl shape metal rubber on the projection, are located bowl shape metal rubber and lock the fastening bolt through the lock washer that is located its side and fix, and the perforation in shell middle part is stretched out to the projection that wherein is located supporter upper portion.
3. The three-way equal stiffness metal damping shock absorber according to claim 1, wherein: the supporting body is characterized in that a T-shaped groove is formed in the side portion of the supporting body, a T-shaped sliding block is arranged in the T-shaped groove in a sliding mode, and a rectangular gasket and a locking bolt which are used for pressing the T-shaped sliding block are arranged on the supporting body and located above the T-shaped groove.
4. The three-way equal stiffness metal damping shock absorber according to claim 3, wherein: the first end of the spiral spring is embedded in the T-shaped groove and is pressed by the T-shaped sliding block; and the second end of the spiral spring is embedded in a groove of the wedge-shaped upper boss of the base.
5. The three-way equal stiffness metal damping shock absorber according to claim 1, wherein: three to four groups of spiral springs are arranged in the base and the shell.
6. The three-way equal stiffness metal damping shock absorber according to claim 2, wherein: the upper part of the support body is sleeved with upper bowl-shaped metal rubber, and the lower part of the support body is sleeved with lower bowl-shaped metal rubber.
7. A working method of a three-way equal-rigidity metal damping shock absorber is characterized by comprising the following steps: the three-way equal-stiffness metal damping shock absorber comprises a base and a shell which is covered and fixed on the base, wherein a supporting body and spiral springs which are uniformly and obliquely arranged between the lower side part of the supporting body and the base are arranged in the shell, and bowl-shaped metal rubber is arranged between the upper part of the supporting body and the inner bottom surface of the shell and between the lower part of the supporting body and the upper surface of the base; when the device is installed, the upper bowl-shaped metal rubber 6 is fixed on the shell 12 through the upper bowl-shaped metal rubber fastening bolt 1 and the locking gasket 8, and the lower bowl-shaped metal rubber 13 is fixed on the base 10 through the fastening bolt 5 and the locking gasket 4; then the coil spring is mounted: one end of a spiral spring 9 is placed on a base 10, the other end of the spiral spring is placed in a T-shaped groove of a support body 7, a T-shaped sliding block locking bolt 14 is screwed in, so that a rectangular gasket 2 moves downwards, the rectangular gasket 2 drives a T-shaped sliding block 3 to move downwards, and the spiral spring 9 is pressed, locked and positioned; finally, the housing 12 and the base 10 are fixed by the locking bolt 11.
8. The method of operating a three-way equivalent stiffness metal damping shock absorber according to claim 7, wherein: the support body 7 of the assembled three-way equal-stiffness vibration absorber is fixedly connected with the device to be damped through threads, and the base 10 and the shell 12 are fixed with a support plane through bolts; after the shock absorber bears the rated load, the space included angle between the inner spiral spring of the shock absorber and the horizontal plane of the base is 35.26 degrees, at the moment, when the shock absorber under the rated load bears the external load, equal-rigidity shock absorption in the three directions of length, width and height is realized, and meanwhile, the bowl-shaped metal rubber in the shock absorber plays a role in damping energy dissipation in the three directions.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011119718.4A CN112081849B (en) | 2020-10-19 | 2020-10-19 | Three-way equal-rigidity metal damping shock absorber and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011119718.4A CN112081849B (en) | 2020-10-19 | 2020-10-19 | Three-way equal-rigidity metal damping shock absorber and working method thereof |
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| CN112081849A true CN112081849A (en) | 2020-12-15 |
| CN112081849B CN112081849B (en) | 2024-06-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963622A (en) * | 2021-02-22 | 2021-06-15 | 中国核动力研究设计院 | High-damping vibration reduction and isolation support for nuclear power pipeline |
| CN113860117A (en) * | 2021-09-24 | 2021-12-31 | 福州大学 | Three-way elevator buffer based on metal rubber |
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| CN105889384A (en) * | 2014-09-15 | 2016-08-24 | 中国人民解放军军械工程学院 | A metal rubber combination shock absorber |
| WO2017012112A1 (en) * | 2015-07-23 | 2017-01-26 | 童欣 | Oil damper for train |
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| CN111207179A (en) * | 2020-02-21 | 2020-05-29 | 陕西科技大学 | Three-way shock absorber and using method thereof |
| CN212429595U (en) * | 2020-10-19 | 2021-01-29 | 福州大学 | Three-way equal-rigidity metal damping shock absorber |
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2020
- 2020-10-19 CN CN202011119718.4A patent/CN112081849B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889384A (en) * | 2014-09-15 | 2016-08-24 | 中国人民解放军军械工程学院 | A metal rubber combination shock absorber |
| WO2017012112A1 (en) * | 2015-07-23 | 2017-01-26 | 童欣 | Oil damper for train |
| CN108425990A (en) * | 2018-05-15 | 2018-08-21 | 福州大学 | Three-dimensional adjustable type damping device damper and its working method |
| CN109372943A (en) * | 2018-12-11 | 2019-02-22 | 福州大学 | Adjustable double-deck metal-rubber damping shock absorber and its working method |
| CN110566630A (en) * | 2019-07-26 | 2019-12-13 | 北京空间飞行器总体设计部 | load supporting device integrating vibration reduction of launching section and vibration isolation of on-track section |
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| CN212429595U (en) * | 2020-10-19 | 2021-01-29 | 福州大学 | Three-way equal-rigidity metal damping shock absorber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112963622A (en) * | 2021-02-22 | 2021-06-15 | 中国核动力研究设计院 | High-damping vibration reduction and isolation support for nuclear power pipeline |
| CN113860117A (en) * | 2021-09-24 | 2021-12-31 | 福州大学 | Three-way elevator buffer based on metal rubber |
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| CN112081849B (en) | 2024-06-04 |
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