CN215059117U - Metal rubber damping vibration isolator - Google Patents
Metal rubber damping vibration isolator Download PDFInfo
- Publication number
- CN215059117U CN215059117U CN202120149860.7U CN202120149860U CN215059117U CN 215059117 U CN215059117 U CN 215059117U CN 202120149860 U CN202120149860 U CN 202120149860U CN 215059117 U CN215059117 U CN 215059117U
- Authority
- CN
- China
- Prior art keywords
- spring
- guide
- metal
- metal rubber
- vibration isolator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000013016 damping Methods 0.000 title claims abstract description 70
- 229920001967 Metal rubber Polymers 0.000 title claims abstract description 48
- 239000002184 metal Substances 0.000 claims abstract description 27
- 239000012530 fluid Substances 0.000 claims description 12
- 238000002955 isolation Methods 0.000 abstract description 5
- 230000005684 electric field Effects 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
The utility model provides a metal rubber damping vibration isolator, which comprises an upper shell and a lower shell, wherein the lower surface of the upper shell and the upper surface of the lower shell are both provided with a plurality of spring embedding devices, a plurality of metal springs are arranged between the upper shell and the lower shell, and two ends of each metal spring are respectively arranged on the spring embedding devices; the lower surface of the upper shell is provided with a plurality of guide rods, the upper surface of the lower shell is provided with a plurality of guide hollow stand columns, and the guide rods are arranged in the guide hollow stand columns; every guide bar outer wall all overlaps and is equipped with metal rubber spare, metal rubber spare one end terminal surface and the lower surface contact of last casing, other end terminal surface be used for with the hollow stand top end face contact of direction. The metal rubber part has the metal characteristic of the metal rubber part, and also has the elasticity and the damping characteristic of rubber. When the metal rubber is subjected to external impact vibration, the metal wires can slide, so that vibration or impact energy can be effectively consumed, the damping performance of the vibration isolator is greatly improved, and meanwhile, the vibration isolation device has the characteristic of adjustable damping.
Description
Technical Field
The utility model relates to a isolator technical field especially relates to a metal rubber damping isolator.
Background
Generally, during the production process, when the machine is operated, vibration and noise are generated due to the operation of the machine and rigid connection with the ground, so that the precision of a processed workpiece is seriously influenced. The steel spring has the advantages of uniform material, high bearing capacity, good durability, reliable calculation and the like. The vibration isolator taking the steel spring as the main body at present has the advantages of good vibration damping effect, stable performance, long service life and the like, and is widely adopted. However, the steel spring has a very small damping ratio, the damping of the vibration energy is slow, the vibration isolation effect is poor, the damping force of the damping vibration isolator in the prior art is fixed, the magnitude of the damping force cannot be adjusted at any time, the vibration isolator cannot be applied to a scene needing to adjust the magnitude of the damping force, and the application range is narrow.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem among the prior art, the utility model provides a metal rubber damping isolator, the steel spring isolator damping of having solved among the prior art is little, and is slower to the decay of vibration energy, and the vibration isolation effect is poor, the problem of vibration isolation device damping adjustable.
In order to achieve the above object, the utility model adopts the following technical scheme:
the metal rubber damping vibration isolator comprises an upper shell and a lower shell, wherein a plurality of spring embedding devices are arranged on the lower surface of the upper shell and the upper surface of the lower shell, a plurality of metal springs are arranged between the upper shell and the lower shell, and two ends of each metal spring are arranged on the spring embedding devices respectively; the lower surface of the upper shell is provided with a plurality of guide rods, the upper surface of the lower shell is provided with a plurality of guide hollow stand columns, the guide rods are arranged in the guide hollow stand columns and can slide along the length direction of the guide hollow stand columns, and the end parts of the guide rods and the bottom surfaces of the guide hollow stand columns are reserved with movement spaces; every guide bar outer wall all overlaps and is equipped with a metal rubber spare, metal rubber spare one end terminal surface and last casing lower fixed surface connection, other end terminal surface be used for with the hollow stand top end face contact of direction. The metal rubber part has the metal characteristic of the metal rubber part, and also has the elasticity and the damping characteristic of rubber. When the metal rubber is subjected to external impact vibration, the metal wires slide, so that the generated friction force can effectively consume vibration or impact energy, and the damping performance of the vibration isolator is greatly improved.
Furthermore, the spring embedding device is of a hollow cylindrical structure with openings at two ends, and the guide rod and the guide hollow upright post are arranged in the spring embedding device; the guide rod and the hollow guide upright post are both of cylindrical structures, and the axes of the guide rod and the hollow guide upright post are superposed with the axis of the spring embedding device; the guide rod and the hollow guide upright column are matched with each other to realize the positioning function, and the running stability of the upper shell and the lower shell is improved.
Further, the metal rubber part is a hollow cylinder structure, the inner diameter of the metal rubber part is matched with the diameter of the guide rod, and the outer diameter of the metal rubber part is the same as the outer diameter of the guide hollow upright post.
Furthermore, in order to improve the support stiffness of the metal spring, the metal spring comprises a first cylindrical spring and a second cylindrical spring, the second cylindrical spring is sleeved in the first cylindrical spring, and the first cylindrical spring is sleeved on the outer wall of the spring embedding device; the second cylindrical spring is arranged between the inner wall of the spring embedding device and the guide rod, and the central axes of the first cylindrical spring and the second cylindrical spring are coincided with the central axis of the spring embedding device.
Furthermore, in order to facilitate the installation and fixation of the vibration isolator, the side walls of the upper shell and the lower shell are provided with installation grooves, and the end faces of the upper shell and the lower shell are provided with a plurality of installation holes communicated with the installation grooves.
Furthermore, a damping device is arranged between the upper shell and the lower shell, the damping device comprises a fixed cylinder of which the bottom is connected with the upper surface of the lower shell, electrorheological fluid is contained in the fixed cylinder, a piston rod of which the end is provided with a pressure-bearing part is arranged in the fixed cylinder, the diameter of the pressure-bearing part is matched with the diameter of the inner wall of the fixed cylinder, and a plurality of through holes are arranged on the pressure-bearing part; the top end of the piston rod extends out of the top of the fixed cylinder and is connected with the lower surface of the upper shell; the fixed cylinder is electrically connected with the anode of an external power supply, and the piston rod is connected with the cathode of the external power supply. The damping values of the metal spring and the metal rubber in the vibration isolator are fixed, and after the vibration isolator is installed and fixed, the damping value of the whole device cannot be changed, so that the application range is narrow; the damping device is arranged, after the electrorheological fluid in the fixed cylinder is electrified, the viscosity of the electrorheological fluid is increased along with the increase of the electric field intensity, and then the damping device generates variable damping force to change the damping force of the whole vibration isolator; under the condition that different damping is needed, the damping force of the damping device can be changed by controlling the electric field intensity to adapt to different scenes, the existing vibration isolator does not need to be disassembled, the vibration isolator of another specification is reassembled, the application range of the vibration isolator is expanded, the viscosity change of the electrorheological fluid is in a linear relation with the change of the electric field size, and the computer control is easy to realize, the sensitivity is high, and the cost is low.
Furthermore, the damping device also comprises a voltage regulator electrically connected with the fixed cylinder, the piston rod and the power supply connecting circuit, and the voltage regulator can change voltage so as to change the size of an electric field influencing electrorheological fluid and change the damping force of the whole vibration isolator according to requirements.
The utility model has the advantages that: the main supporting rigidity of the metal rubber damping vibration isolator is provided by a metal spring, the metal spring is formed by sleeving a second cylindrical spring in the second cylindrical spring, and the metal spring can provide larger bearing in a limited space; the arrangement of the metal rubber part greatly improves the damping performance of the vibration isolator, and can effectively attenuate energy generated in the vibration process of the vibration isolation heavy object; the damping device is arranged, under the condition that different damping is needed, the damping force of the damping device can be changed by controlling the electric field intensity, and the application range of the vibration isolator is expanded.
Drawings
Fig. 1 is a schematic structural diagram of a metal rubber damping vibration isolator.
Fig. 2 is a schematic diagram of the internal structure of the metal rubber damping vibration isolator.
Fig. 3 is a schematic structural view of the damping device.
Fig. 4 is a schematic structural view of the upper case.
Fig. 5 is a schematic structural view of the lower case.
Wherein, 1, an upper shell; 2. a lower housing; 3. a spring embedding device; 4. a metal spring; 401. a first cylindrical spring; 402. a second cylindrical spring; 5. a guide bar; 6. guiding the hollow upright post; 7. a metal rubber member; 8. mounting grooves; 9. mounting holes; 10. a damping device; 11. a fixed cylinder; 12. electrorheological fluid; 13. a pressure-bearing member; 14. a piston rod; 15. a through hole; 16. a voltage regulator.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.
As shown in fig. 1-5, the utility model provides a metal rubber damping isolator, it includes casing 1 and casing 2 down, all is provided with mounting groove 8 on the lateral wall of casing 1 and casing 2 down, goes up and is provided with a plurality of mounting holes 9 that communicate with mounting groove 8 on casing 1 and casing 2's the terminal surface down, and the setting of mounting groove 8 and mounting hole 9 makes things convenient for the assembly and the dismantlement of isolator.
A plurality of spring embedding devices 3 are arranged on the lower surface of the upper shell 1 and the upper surface of the lower shell 2, a plurality of metal springs 4 are arranged between the upper shell 1 and the lower shell 2, and two ends of each metal spring 4 are respectively arranged on the spring embedding devices 3; go up 1 lower surface of casing and be provided with many guide bars 5, be provided with many hollow stand 6 of direction on the casing 2 upper surface down, guide bar 5 sets up in hollow stand 6 of direction, and guide bar 5 can slide along the length direction of hollow stand 6 of direction, and 5 tip of guide bar and the reservation of 6 bottom surfaces of hollow stand of direction have the motion space.
The spring embedding device 3 is of a hollow cylindrical structure with openings at two ends, and the guide rod 5 and the guide hollow upright post 6 are both arranged in the spring embedding device 3; the guide rod 5 and the hollow guide upright 6 are both in a cylindrical structure, and the axes of the guide rod 5 and the hollow guide upright 6 are superposed with the axis of the spring embedding device 3; the guide rod 5 and the guide hollow upright post 6 are mutually matched to realize the positioning function, and the running stability of the upper shell 1 and the lower shell 2 is improved.
All the cover is equipped with a metal rubber spare 7 on the 5 outer walls of every guide bar, and metal rubber spare 7 is hollow cylinder structure, and the internal diameter and the 5 diameter phase-matchs of guide bar of metal rubber spare 7, and the external diameter of metal rubber spare 7 is the same with 6 external diameters of the hollow stand of direction. The end face of one end of the metal rubber part 7 is fixedly connected with the lower surface of the upper shell 1, and the end face of the other end of the metal rubber part is used for being in contact with the end face of the top of the guide hollow upright 6. The metal rubber member 7 has both the metal property itself and the elasticity and damping property of rubber. When the metal rubber is subjected to external impact vibration, the metal wires slide, so that the generated friction force can effectively consume vibration or impact energy, and the damping performance of the vibration isolator is greatly improved.
The metal spring 4 comprises a first cylindrical spring 401 and a second cylindrical spring 402, the second cylindrical spring 402 is sleeved in the first cylindrical spring 401, and the first cylindrical spring 401 is sleeved on the outer wall of the spring embedding device 3; the second cylindrical spring 402 is arranged between the inner wall of the spring embedding device 3 and the guide rod 5, the central axes of the first cylindrical spring 401 and the second cylindrical spring 402 are coincided with the central axis of the spring embedding device 3, the main supporting rigidity of the metal rubber damping vibration isolator is provided by the metal spring 4, the metal spring 4 is formed by sleeving the second cylindrical spring 402 in the second cylindrical spring 402, and the metal spring 4 can provide larger bearing in a limited space.
A damping device 10 is arranged between the upper shell 1 and the lower shell 2, the damping device 10 comprises a fixed cylinder 11 of which the bottom is connected with the upper surface of the lower shell 2, electrorheological fluid 12 is contained in the fixed cylinder 11, a piston rod 14 of which the end is provided with a pressure-bearing part 13 is arranged in the fixed cylinder 11, the diameter of the pressure-bearing part 13 is matched with that of the inner wall of the fixed cylinder 11, and a plurality of through holes 15 are arranged on the pressure-bearing part 13; the top end of the piston rod 14 extends out of the top of the fixed cylinder 11 and is connected with the lower surface of the upper shell 1; the fixed cylinder 11 is electrically connected with the anode of an external power supply, and the piston rod 14 is connected with the cathode of the external power supply; the damping device 10 further comprises a voltage regulator 16 electrically connected with the fixed cylinder 11, the piston rod 14 and the power supply connection circuit, wherein the voltage regulator 16 can change the voltage so as to change the size of an electric field influencing the electrorheological fluid 12, and change the damping force of the whole vibration isolator according to requirements. The damping values of the metal spring 4 and the metal rubber 7 in the vibration isolator are fixed, and after the vibration isolator is installed and fixed, the damping value of the whole device cannot be changed, so that the application range is narrow; the damping device 10 is arranged, after the electrorheological fluid 12 in the fixed cylinder 11 is electrified, the viscosity of the electrorheological fluid 12 is increased along with the increase of the electric field intensity, and then the damping device 10 generates variable damping force to change the damping force of the whole vibration isolator; under the condition that different damping is needed, the damping force of the damping device 10 can be changed by controlling the electric field intensity to adapt to different scenes, the existing vibration isolator does not need to be dismantled, the vibration isolator of another specification is reassembled, the application range of the vibration isolator is expanded, the viscosity change of the electrorheological fluid 12 is in a linear relation with the change of the electric field size, and the computer control is easy to realize, the sensitivity is high, and the cost is low.
Claims (7)
1. The metal rubber damping vibration isolator is characterized by comprising an upper shell (1) and a lower shell (2), wherein a plurality of spring embedding devices (3) are arranged on the lower surface of the upper shell (1) and the upper surface of the lower shell (2), a plurality of metal springs (4) are arranged between the upper shell (1) and the lower shell (2), and two ends of each metal spring (4) are respectively arranged on the spring embedding devices (3);
the lower surface of the upper shell (1) is provided with a plurality of guide rods (5), the upper surface of the lower shell (2) is provided with a plurality of guide hollow columns (6), the guide rods (5) are arranged in the guide hollow columns (6), the guide rods (5) can slide along the length direction of the guide hollow columns (6), and the end parts of the guide rods (5) and the bottom surfaces of the guide hollow columns (6) are reserved with movement spaces;
every guide bar (5) outer wall all overlaps and is equipped with a metal rubber spare (7), metal rubber spare (7) one end terminal surface and last casing (1) lower surface contact, other end terminal surface be used for with the hollow stand (6) top end face contact of direction.
2. The metal rubber damping vibration isolator as claimed in claim 1, characterized in that the spring embedding device (3) is of a hollow cylindrical structure with two open ends, and the guide rod (5) and the guide hollow upright post (6) are both arranged in the spring embedding device (3); the guide rod (5) and the hollow guide upright post (6) are both of a cylindrical structure, and the axes of the guide rod (5) and the hollow guide upright post (6) are coincided with the axis of the spring embedding device (3).
3. A metal rubber damping vibration isolator according to claim 2, characterized in that the metal rubber part (7) is of a hollow cylindrical structure, the inner diameter of the metal rubber part (7) is matched with the diameter of the guide rod (5), and the outer diameter of the metal rubber part (7) is the same as the outer diameter of the guide hollow upright post (6).
4. The metal rubber damping vibration isolator as claimed in claim 3, wherein the metal spring (4) comprises a first cylindrical spring (401) and a second cylindrical spring (402), the second cylindrical spring (402) is sleeved in the first cylindrical spring (401), and the first cylindrical spring (401) is sleeved on the outer wall of the spring embedding device (3); the second cylindrical spring (402) is arranged between the inner wall of the spring embedding device (3) and the guide rod (5), and the central axes of the first cylindrical spring (401) and the second cylindrical spring (402) are coincided with the central axis of the spring embedding device (3).
5. The metal rubber damping vibration isolator according to claim 4, characterized in that the side walls of the upper casing (1) and the lower casing (2) are provided with mounting grooves (8), and the end surfaces of the upper casing (1) and the lower casing (2) are provided with a plurality of mounting holes (9) communicated with the mounting grooves (8).
6. The metal rubber damping vibration isolator according to claim 5, wherein a damping device (10) is arranged between the upper shell (1) and the lower shell (2), the damping device (10) comprises a fixed cylinder (11) the bottom of which is connected with the upper surface of the lower shell (2), electrorheological fluid (12) is contained in the fixed cylinder (11), a piston rod (14) with a pressure-bearing part (13) at the end is arranged in the fixed cylinder (11), the diameter of the pressure-bearing part (13) is matched with the diameter of the inner wall of the fixed cylinder (11), and a plurality of through holes (15) are formed in the pressure-bearing part (13); the top end of the piston rod (14) extends out of the top of the fixed cylinder (11) and is connected with the lower surface of the upper shell (1); the fixed cylinder (11) is electrically connected with the anode of an external power supply, and the piston rod (14) is connected with the cathode of the external power supply.
7. A metal rubber damping isolator as claimed in claim 6, characterised in that the damping device (10) further comprises a voltage regulator (16) electrically connected to the fixed cylinder (11), the piston rod (14) and the power connection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120149860.7U CN215059117U (en) | 2021-01-20 | 2021-01-20 | Metal rubber damping vibration isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120149860.7U CN215059117U (en) | 2021-01-20 | 2021-01-20 | Metal rubber damping vibration isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215059117U true CN215059117U (en) | 2021-12-07 |
Family
ID=79251450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120149860.7U Expired - Fee Related CN215059117U (en) | 2021-01-20 | 2021-01-20 | Metal rubber damping vibration isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215059117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747068A (en) * | 2021-01-20 | 2021-05-04 | 西南交通大学 | Metal rubber damping vibration isolator |
-
2021
- 2021-01-20 CN CN202120149860.7U patent/CN215059117U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747068A (en) * | 2021-01-20 | 2021-05-04 | 西南交通大学 | Metal rubber damping vibration isolator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215059117U (en) | Metal rubber damping vibration isolator | |
| CN200958546Y (en) | Trigger-spacing passive damper with current controlling function | |
| CN111730119B (en) | Vibration reduction milling cutter based on layered stacked permanent magnet dynamic vibration absorber | |
| CN201547167U (en) | Generating shock absorber | |
| CN102788110A (en) | Dual-rod magnetorheological fluid damper and seal structure thereof | |
| CN113007262A (en) | Variable gap order-changing type magneto-rheological damper | |
| CN204852123U (en) | Zero accurate rigidity damping platform that can adjust in a flexible way | |
| CN112747068A (en) | Metal rubber damping vibration isolator | |
| CN108131413B (en) | Magnetic control collision buffer | |
| CN209799054U (en) | Lead extrusion magnetorheological combined energy consumption device | |
| CN112103039A (en) | Rod body type fixing device for power transformer | |
| CN201078424Y (en) | Magnetic oscillating damper | |
| CN106678233A (en) | Novel active absorber based on PZT (piezoelectric ceramic) | |
| CN215673336U (en) | Magneto-rheological viscous fluid damper | |
| CN211737848U (en) | Vibration isolator with limiting function | |
| CN113639004B (en) | Squeeze-mode giant electrorheological fluid damper | |
| CN109236925B (en) | Gas linear damping type constant-rigidity vibration isolator | |
| CN109779060B (en) | Lead extrusion magneto-rheological combined energy consumption device | |
| CN220798043U (en) | Linear motor, electromagnetic shock absorber and vehicle | |
| CN208281419U (en) | Electro-rheological fluid damper piston structure and electro-rheological fluid damper | |
| CN211321110U (en) | Reed shock-absorbing structure for voice coil motor | |
| KR101230554B1 (en) | Shck absorber with eletricity generation function | |
| CN117889152A (en) | Foil throttling self-adaptive static pressure air-float thrust bearing | |
| CN104724617A (en) | Arm pin structure and flexible arm | |
| CN219299845U (en) | Magneto-rheological damper with side-arranged energy accumulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |