CN216585950U - Vibration-damping rubber pad with additional spring - Google Patents
Vibration-damping rubber pad with additional spring Download PDFInfo
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- CN216585950U CN216585950U CN202220004433.4U CN202220004433U CN216585950U CN 216585950 U CN216585950 U CN 216585950U CN 202220004433 U CN202220004433 U CN 202220004433U CN 216585950 U CN216585950 U CN 216585950U
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Abstract
The utility model discloses a vibration damping rubber pad of addding spring, including last rubber layer and lower rubber layer, the top on rubber layer is provided with a plurality of fixed column down, the fixed column sets up to oval platform shape structure, fixed column evenly distributed is at the top on rubber layer down, the outside cover of fixed column is equipped with the spring, the spring sets up to rubber spring or metal ordinary spring, it installs on the fixed column through fixing bolt to go up the rubber layer, set up threaded hole on the fixed column, go up the top on rubber layer and seted up the through-hole. The utility model discloses a set up the spring in the outside of fixed column, make interval distribution such as spring, it is little to utilize spring elastic modulus, has great elastic deformation after the loaded, can effectively absorb the characteristics of impact and vibration, and then improves the whole elasticity of train track rubber pad, utilizes the principle that parallelly connected back rigidity of spring increases simultaneously, increases the whole rigidity of rubber damping pad, improves whole bearing capacity.
Description
Technical Field
The utility model belongs to the technical field of the vibration isolation damping, concretely relates to add damping rubber pad of spring.
Background
With the increasing level of urbanization in China, vibration generated by various vibration sources has become one of the important problems which puzzle people's daily life and work. Various vibration sources such as highways, railways, construction, power machines and the like can generate non-negligible environmental vibration, the vibration not only can affect daily life and production of people, but also can generate non-negligible influence on some high-tech laboratories provided with precise instruments and equipment with strict requirements on vibration, and even the service life of the laboratory is damaged. On the other hand, with the development of science and technology, more and more high-precision instruments are put into use, and the requirements on micro-vibration prevention are increasingly increased, the requirement on the amplitude of vibration reaches the nanometer level, the requirement on the vibration speed also reaches the level of micron/second, the standard for measuring vibration is increasingly complex, and the attention of people on micro-vibration control is increasingly high. Therefore, the method has great significance for the research of the damping pad.
In recent years, an elastic base plate is generally adopted between a steel rail and a sleeper in a rail structure of rail transit to absorb vibration energy and play a certain role in noise reduction and vibration reduction, and along with the high speed and precision of a rail and the higher and higher requirements of surrounding buildings on vibration control, the existing elastic base plate is difficult to meet the requirements, and although a vibration reduction rubber pad is put into use, due to uncontrollable rigidity and lack of sufficient elasticity and rigidity, a plurality of problems still occur in the practical engineering application, so that inconvenience is caused.
Therefore, the vibration-damping rubber pad with the additional spring is provided to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an add damping rubber pad of spring sets up the spring through the outside at the fixed column, makes interval distribution such as spring, utilizes spring elastic modulus little, has great elastic deformation after the loaded, can effectively absorb the characteristics of impact and vibration, and then improves the whole elasticity of train track rubber pad, utilizes the parallelly connected principle that back rigidity increases of spring simultaneously, increases the whole rigidity of rubber damping pad, improves whole bearing capacity to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the damping rubber pad with the additional springs comprises an upper rubber layer and a lower rubber layer, wherein a plurality of fixing columns are arranged at the top of the lower rubber layer and are of an elliptical frustum-shaped structure, the fixing columns are uniformly distributed at the top of the lower rubber layer, springs are sleeved outside the fixing columns, the springs are rubber springs or metal common springs, the upper rubber layer is mounted on the fixing columns through fixing bolts, threaded holes are formed in the fixing columns, through holes are formed in the top of the upper rubber layer, and the lower ends of the fixing bolts penetrate through the through holes and are mounted inside the threaded holes in a threaded mode.
Preferably, the fixing column is specifically set to be an eccentric elliptical table-shaped structure, and an ellipse on the bottom surface, an ellipse on the top surface and a side surface of the eccentric elliptical table form a symmetrical key-shaped body.
Preferably, the length of the major axis of the ellipse at the bottom of the eccentric elliptical table is 50mm-80mm, and the length of the minor axis is 40mm-70 mm; the length of the major axis of the ellipse on the top of the elliptical table is 40mm-70mm, and the length of the minor axis is 20mm-50 mm; the height of the elliptical table is 30mm-60 mm.
Preferably, the distance between the fixing columns is 30mm-60mm, and the fixing columns are made of viscoelastic rubber with low hardness and high damping.
Preferably, the height of the spring is 30-60 mm, the radius of the spring is 50-80 mm, the radius of the spring is consistent with the length of the long axis of the bottom ellipse of the fixed column, the linear diameter of the spring is 1-2 mm, and the distance between the spring rings is 5-10 mm.
Preferably, the depth of the threaded hole is adjustable, the depth of the threaded hole is set to be 20-30mm, and the fixing bolt is set to be an outer hexagon bolt.
Preferably, the upper rubber layer and the lower rubber layer are both provided with a plurality of rubber sheet layers which are mutually bonded, a fiber layer is arranged between every two adjacent rubber sheet layers, and the thickness and the rigidity of each rubber sheet layer and the rigidity of each fiber layer are different.
Preferably, the fixing columns are specifically arranged in a rectangular array, and the heights of the springs sleeved outside the fixing columns are the same.
Preferably, a gasket is further sleeved on the fixing bolt, and the bottom of the gasket is attached to the top of the upper rubber layer.
Preferably, the through hole penetrates through the upper rubber layer, the through hole is a circular hole, and the diameter of the through hole is 0.5-1mm larger than that of the fixing bolt.
The utility model discloses a technological effect and advantage: the utility model provides a pair of add damping rubber pad of spring compares with prior art, has following advantage:
1. the utility model discloses a set up the spring in the outside of fixed column, make interval distribution such as spring, it is little to utilize spring elastic modulus, has great elastic deformation after the loading, can the effective absorption impact with the characteristics of vibration, and then improve the whole elasticity of train track rubber pad.
2. The springs are distributed at equal intervals, and the overall rigidity of the rubber damping pad is increased by utilizing the principle that the rigidity is increased after the springs are connected in parallel, so that the overall bearing capacity is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the explosion structure of the present invention;
FIG. 3 is a schematic view of the fixing column structure of the present invention;
fig. 4 is a schematic diagram of the gasket structure of the present invention.
In the figure: 1. an upper rubber layer; 2. a lower rubber layer; 3. fixing a column; 4. a spring; 5. fixing the bolt; 6. a threaded hole; 7. a through hole; 8. and (7) a gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a damping rubber pad of addding spring as shown in fig. 1-4, including rubber layer 1 and lower rubber layer 2, the top on rubber layer 2 is provided with a plurality of fixed column 3 down, fixed column 3 sets up to oval platform shape structure, fixed column 3 evenly distributed is at the top on rubber layer 2 down, the outside cover of fixed column 3 is equipped with spring 4, spring 4 sets up to rubber spring or metal ordinary spring, go up rubber layer 1 and install on fixed column 3 through fixing bolt 5, set up threaded hole 6 on the fixed column 3, through-hole 7 has been seted up at the top on rubber layer 1, fixing bolt 5's lower extreme passes through-hole 7 threaded mounting in the inside of screw hole 6.
The fixing column 3 is specifically set to be an eccentric elliptical table-shaped structure, and an ellipse on the bottom surface, an ellipse on the top surface and a side surface of the eccentric elliptical table form a symmetrical key-shaped body.
The length of the major axis of the ellipse at the bottom of the eccentric elliptical table is 50mm-80mm, and the length of the minor axis is 40mm-70 mm; the length of the major axis of the ellipse on the top of the elliptical table is 40mm-70mm, and the length of the minor axis is 20mm-50 mm; the height of the elliptical table is 30mm-60 mm.
The fixed posts 3 are spaced from each other by a distance of 30mm to 60mm, and the fixed posts 3 are made of viscoelastic rubber with low hardness and high damping, it is to be understood that "low hardness" and "high damping" refer to the conventional explanations of "high" and "low" in the industry, and the understanding of those skilled in the art and the common knowledge in the art is taken as the standard.
The height of the spring 4 is 30mm-60mm, the radius of the spring 4 is 50mm-80mm, the radius of the spring 4 is consistent with the length of the long axis of the bottom ellipse of the fixed column 3, the wire diameter of the spring 4 is 1mm-2mm, and the circle distance of the spring 4 is 5mm-10 mm.
The depth of the threaded hole 6 is adjustable, the depth of the threaded hole 6 is set to be 20-30mm, and the fixing bolt 5 is set to be an outer hexagon bolt.
Go up rubber layer 1 and lower rubber layer 2 and all set up to a plurality of rubber lamella that bond each other, be provided with the fibrous layer between two adjacent rubber lamella, the thickness and the rigidity of rubber lamella and fibrous layer all set up to inequality, have strengthened the stability in use of this rigidity train track damping rubber pad in advance.
The fixed column 3 is specifically set to be a rectangular array, and the height of the spring 4 sleeved outside the fixed column 3 is the same.
Still the cover is equipped with gasket 8 on fixing bolt 5, and the bottom of gasket 8 is laminated with the top on last rubber layer 1.
The through hole 7 penetrates through the upper rubber layer 1, the through hole 7 is a circular hole, and the diameter of the through hole 7 is 0.5-1mm larger than that of the fixing bolt 5.
When the device is arranged, the rigidity can be adjusted according to a certain distance, the fixed columns 3 and the springs 4 with different sizes and different depths of the threaded holes 6 according to different road conditions, different structures and different requirements, so that the optimal effect is obtained.
Working principle or structural principle: the top of the lower rubber layer 2 is provided with a plurality of fixed columns 3, the fixed columns 3 are arranged to be of an elliptical truncated cone structure, the fixed columns 3 are evenly distributed at the top of the lower rubber layer 2, springs 4 are sleeved outside the fixed columns 3, the springs 4 are arranged to be rubber springs or metal common springs, the upper rubber layer 1 is installed on the fixed columns 3 through fixing bolts 5, threaded holes 6 are formed in the fixed columns 3, through holes 7 are formed in the top of the upper rubber layer 1, the lower ends of the fixing bolts 5 penetrate through the through holes 7 and are installed inside the threaded holes 6 in a threaded mode, the springs 4 are arranged outside the fixed columns 3 and are distributed at equal intervals, the elastic modulus of the springs 4 is small, large elastic deformation is achieved after loading, the characteristics of impact and vibration can be effectively absorbed, the overall elasticity of the train track rubber pad is further improved, and meanwhile, the overall rigidity of the rubber damping pad is increased by the principle that the springs 4 are connected in parallel, the integral bearing capacity is improved;
the train track vibration-damping rubber pad with the predictable rigidity can effectively solve the problems of track vibration in a train track, vibration caused by traveling and the like, prolong the service life of a track system and adapt to vibration environments under different working conditions;
this vibration-damping rubber pad can also be used for basic layer such as bridge, tunnel, highway, stadium and building inside, can alleviate the vibration of structure and the secondary noise of structure to prolong major structure's life, reduce the maintenance cost and improve major structure's security performance, can satisfy the requirement of people to high quality life simultaneously, make it avoid the influence of high noise, provide the guarantee for the high-quality life requirement of people.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (9)
1. The utility model provides an add damping rubber pad of spring, includes rubber layer (1) and lower rubber layer (2), its characterized in that: the rubber sealing device is characterized in that a plurality of fixing columns (3) are arranged at the top of the lower rubber layer (2), the fixing columns (3) are arranged to be of an elliptical platform-shaped structure, the fixing columns (3) are uniformly distributed at the top of the lower rubber layer (2), springs (4) are sleeved outside the fixing columns (3), the springs (4) are arranged to be rubber springs or metal common springs, the upper rubber layer (1) is installed on the fixing columns (3) through fixing bolts (5), threaded holes (6) are formed in the fixing columns (3), through holes (7) are formed in the top of the upper rubber layer (1), and the lower ends of the fixing bolts (5) penetrate through the through holes (7) and are installed inside the threaded holes (6) in a threaded mode;
the distance between the fixing columns (3) is 30-60 mm, and the fixing columns (3) are made of viscoelastic rubber with low hardness and high damping.
2. The vibration-damping rubber pad with the added springs as claimed in claim 1, wherein: the fixing column (3) is specifically designed into an eccentric elliptical table-shaped structure, and an ellipse on the bottom surface, an ellipse on the top surface and a side surface of the eccentric elliptical table form a symmetrical key-shaped body.
3. The vibration-damping rubber pad with the additional spring as claimed in claim 2, wherein: the length of the major axis of the ellipse at the bottom of the eccentric elliptical table is 50mm-80mm, and the length of the minor axis is 40mm-70 mm; the length of the major axis of the ellipse on the top of the elliptical table is 40mm-70mm, and the length of the minor axis is 20mm-50 mm; the height of the elliptical table is 30mm-60 mm.
4. The vibration damping rubber pad with the additional spring as claimed in claim 3, wherein: the height of the spring (4) is 30-60 mm, the radius of the spring (4) is 50-80 mm, the radius of the spring (4) is consistent with the length of the long axis of the bottom ellipse of the fixed column (3), the wire diameter of the spring (4) is 1-2 mm, and the circle pitch of the spring (4) is 5-10 mm.
5. The vibration-damping rubber pad with the added springs as claimed in claim 1, wherein: the depth of the threaded hole (6) is adjustable, the depth of the threaded hole (6) is set to be 20-30mm, and the fixing bolt (5) is set to be an outer hexagon bolt.
6. The vibration-damping rubber pad with the added spring as claimed in claim 1, wherein: the upper rubber layer (1) and the lower rubber layer (2) are both provided with a plurality of rubber sheet layers which are bonded with each other, a fiber layer is arranged between every two adjacent rubber sheet layers, and the thickness and the rigidity of the rubber sheet layers and the rigidity of the fiber layers are both set to be different.
7. The vibration-damping rubber pad with the added springs as claimed in claim 1, wherein: the fixing columns (3) are specifically arranged in a rectangular array, and the heights of the springs (4) sleeved outside the fixing columns (3) are the same.
8. The vibration-damping rubber pad with the added springs as claimed in claim 1, wherein: the fixing bolt (5) is further sleeved with a gasket (8), and the bottom of the gasket (8) is attached to the top of the upper rubber layer (1).
9. The vibration-damping rubber pad with the added springs as claimed in claim 1, wherein: the through hole (7) penetrates through the upper rubber layer (1), the through hole (7) is a circular hole, and the diameter of the through hole (7) is 0.5-1mm larger than that of the fixing bolt (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220004433.4U CN216585950U (en) | 2022-01-04 | 2022-01-04 | Vibration-damping rubber pad with additional spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220004433.4U CN216585950U (en) | 2022-01-04 | 2022-01-04 | Vibration-damping rubber pad with additional spring |
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| CN216585950U true CN216585950U (en) | 2022-05-24 |
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| CN202220004433.4U Active CN216585950U (en) | 2022-01-04 | 2022-01-04 | Vibration-damping rubber pad with additional spring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114250656A (en) * | 2022-01-04 | 2022-03-29 | 中国建筑第五工程局有限公司 | Vibration-damping rubber pad capable of effectively reducing vibration |
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- 2022-01-04 CN CN202220004433.4U patent/CN216585950U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114250656A (en) * | 2022-01-04 | 2022-03-29 | 中国建筑第五工程局有限公司 | Vibration-damping rubber pad capable of effectively reducing vibration |
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