CN216279170U - Distributed multi-stage vibration isolation support - Google Patents
Distributed multi-stage vibration isolation support Download PDFInfo
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- CN216279170U CN216279170U CN202121999165.6U CN202121999165U CN216279170U CN 216279170 U CN216279170 U CN 216279170U CN 202121999165 U CN202121999165 U CN 202121999165U CN 216279170 U CN216279170 U CN 216279170U
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Abstract
The utility model discloses a distributed multi-stage vibration isolation support. The lower surface of the round bearing plate is welded and fixed with the top end of the inverted T-shaped steel column through an angle; the bottom surface of the inverted T-shaped steel column is arranged in the round box-shaped lower support plate, the top surface of the round box-shaped lower support plate is provided with a round hole, a first lower elastic vibration isolation energy dissipater and a second lower elastic vibration isolation energy dissipater are arranged between the lower surface of the bottom surface of the inverted T-shaped steel column and the upper surface of the bottom surface of the round box-shaped lower support plate, a first elastic vibration isolation energy dissipater and a second elastic vibration isolation energy dissipater are arranged between the side wall of the bottom surface of the inverted T-shaped steel column and the inner side wall of the round box-shaped lower support plate, and a first upper elastic vibration isolation energy dissipater and a second upper elastic vibration isolation energy dissipater are arranged between the upper surface of the bottom surface of the inverted T-shaped steel column and the inner surface of the top surface of the round box-shaped lower support plate; and a pressure measuring lower sensor and a pressure measuring vertical side sensor are arranged between the bottom surface of the inverted T-shaped steel column and the round box-shaped lower support plate. The support not only ensures the safety requirement of the engineering, but also can make the whole stress more definite; and the consistency of appearance effect is satisfied.
Description
Technical Field
The utility model relates to the technical field of mechanical engineering, in particular to a distributed multi-stage vibration isolation support.
Background
Vibration refers to the fact that all or part of an object vibrates back and forth along a straight line or a curved line, and has a certain time law and period. The operation environment of military machinery is complicated, can produce the vibration when operation such as obstacle-surmounting, influences equipment life and fighter's electric comfort level. The vibration reduction technology can effectively relieve the external or internal impact of the machine, improve the operation performance and prolong the service life of the machine.
Military engineering machinery is used as a machine of military equipment for following engineering guarantee tasks, and is an important component of the military engineering equipment in China. The operating environment of military machinery is more complicated, and it is higher to subtract vibration isolation requirement, needs a damper that can be used for reducing the vibration response, reducing or avoiding mechanical component damage.
SUMMERY OF THE UTILITY MODEL
The utility model provides a distributed multi-stage vibration isolation support for achieving the effects of vibration reduction and energy consumption on the basis of not influencing the mechanical appearance effect, and the vibration isolation support increases additional energy consumption through the shearing strain of a viscoelastic material and improves energy consumption efficiency while frictional sliding energy consumption is realized.
The technical scheme adopted by the utility model is as follows: a distributed multi-stage vibration isolation support comprises a circular bearing plate 2 and an inverted T-shaped steel column 1, wherein the lower surface of the circular bearing plate 2 is welded and fixed with the top end of the inverted T-shaped steel column 1 through an angle; the bottom surface of an inverted T-shaped steel column 1 is arranged in a round box-shaped lower support plate 3, a round hole is formed in the top surface of the round box-shaped lower support plate, the top end of the inverted T-shaped steel column 1 penetrates out of the round hole, a first lower elastic vibration isolation energy dissipater and a second lower elastic vibration isolation energy dissipater are arranged between the lower surface of the bottom surface of the inverted T-shaped steel column 1 and the upper surface of the bottom surface of the round box-shaped lower support plate, a first elastic vibration isolation energy dissipater and a second elastic vibration isolation energy dissipater are arranged between the side wall of the bottom surface of the inverted T-shaped steel column 1 and the inner side wall of the round box-shaped lower support plate, and a first upper elastic vibration isolation energy dissipater and a second upper elastic vibration isolation energy dissipater are arranged between the upper surface of the bottom surface of the inverted T-shaped steel column 1 and the inner surface of the top surface of the round box-shaped lower support plate; the side wall of a round hole arranged on the top surface of the round box-shaped lower support plate is provided with a high-damping friction-resistant viscoelastic material; a pressure measuring lower sensor is arranged between the lower surface of the bottom surface of the inverted T-shaped steel column 1 and the bottom surface of the round box-shaped lower support plate, and a pressure measuring vertical side sensor is arranged between the side wall of the bottom surface of the inverted T-shaped steel column 1 and the inner side wall of the round box-shaped lower support plate.
The circular bearing plate 2 is connected with the mechanical subsystem through a fixing bolt.
The bottom plate of the round box-shaped lower support plate 3 is connected with the other system of the machine into a whole through a high-strength pre-tightening bolt.
The utility model has the following beneficial effects:
the vibration isolation support is mainly used for suspending a mechanical vehicle body and is arranged between mechanical subsystems.
The support not only ensures the safety requirement of the engineering, but also can make the whole stress more definite; and the consistency of appearance effect is satisfied. Has wide application and popularization prospect.
The viscoelastic vibration isolation support mainly utilizes a viscoelastic material to generate shearing deformation to dissipate the vibration energy of a structure, so that the aim of reducing the structural reaction is fulfilled. A friction damper: the input energy is consumed through the friction slip between the members, and the construction is adopted due to the characteristics of simple structure, stable performance, large damping force and the like. For a structure with a friction damper, under the action of normal use load, the friction damper provides additional rigidity for the structure without sliding; under the action of medium and large earthquakes, the friction damper generates friction sliding to do work so as to consume and absorb the energy input by the earthquake, and provides additional damping for the structure, so that the response of the structure is reduced.
Drawings
Fig. 1 is a schematic view of the vibration isolation mount of the present invention.
Detailed Description
The first invention is further explained below with reference to the drawings.
As shown in fig. 1, the lower surface of a circular bearing plate 2 is fixed to the top end of an inverted T-shaped steel column 1 by angle welding; the bottom surface of an inverted T-shaped steel column 1 is arranged in a round box-shaped lower support plate 3, a round hole is formed in the top surface of the round box-shaped lower support plate, the top end of the inverted T-shaped steel column 1 penetrates out of the round hole, a first lower elastic vibration isolation energy dissipater 5 and a second lower elastic vibration isolation energy dissipater 6 are arranged between the lower surface of the bottom surface of the inverted T-shaped steel column 1 and the upper surface of the bottom surface of the round box-shaped lower support plate, a first elastic vibration isolation energy dissipater 8 and a second elastic vibration isolation energy dissipater 9 are arranged between the side wall of the bottom surface of the inverted T-shaped steel column 1 and the inner side wall of the round box-shaped lower support plate, and a first upper elastic vibration isolation energy dissipater 4 and a second upper elastic vibration isolation energy dissipater 7 are arranged between the upper surface of the bottom surface of the inverted T-shaped steel column 1 and the inner surface of the top surface of the round box-shaped lower support plate; the side wall of a round hole arranged on the top surface of the round box-shaped lower support plate is provided with a high-damping friction-resistant viscoelastic material; a pressure measuring vertical sensor 11 is arranged between the lower surface of the bottom surface of the inverted T-shaped steel column 1 and the bottom surface of the round box-shaped lower support plate, and a pressure measuring lateral sensor 10 is arranged between the lateral wall of the bottom surface of the inverted T-shaped steel column 1 and the inner lateral wall of the round box-shaped lower support plate and used for monitoring the lateral pressure and the vertical pressure of the inverted T-shaped steel column 1 and the inner lateral wall of the round box-shaped lower support plate.
The round bearing plate 2 is connected with the mechanical subsystem through a fixing bolt, and the bottom plate of the round box-shaped lower support plate 3 is connected with the other subsystem of the mechanical subsystem into a whole through a high-strength pre-tightening bolt.
Referring to fig. 1, when the support is acted by a vertical force, a friction force F is generated between the upper end of the inverted T-shaped steel column 1 and a viscoelastic material at a round hole on the round box-shaped lower support plate 3, when the axial force exerted on the support is greater than F, all elastic vibration isolation energy dissipators interact with the lower end of the inverted T-shaped steel column 1, and simultaneously, the capacity dissipation occurs, so that the vibration reduction effect is achieved; when the lower end of the inverted T-shaped steel column 1 rotates in the round box-shaped lower support plate 3, all the elastic vibration isolation energy dissipators generate shear deformation to dissipate vibration energy of the structure and simultaneously generate strain energy, so that the aim of reducing structural reaction is fulfilled; the elastic vibration isolation energy dissipaters are arranged along the circumference in a vertical and circumferential countermeasure mode to play a role in resetting. The utility model has the advantages of low cost, simple and convenient installation, definite function and clear force transmission.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention in any way, and it will be apparent to those skilled in the art that the above description of the present invention can be applied to various modifications, equivalent variations or modifications without departing from the spirit and scope of the present invention.
Claims (3)
1. A distributed multi-stage vibration isolation support is characterized by comprising a circular bearing plate and an inverted T-shaped steel column, wherein the lower surface of the circular bearing plate is welded and fixed with the top end of the inverted T-shaped steel column through an angle; the bottom surface of the inverted T-shaped steel column is arranged in the round box-shaped lower support plate, the top surface of the round box-shaped lower support plate is provided with a round hole, the top end of the inverted T-shaped steel column penetrates out of the round hole, a first lower elastic vibration isolation energy dissipater and a second lower elastic vibration isolation energy dissipater are arranged between the lower surface of the bottom surface of the inverted T-shaped steel column and the upper surface of the bottom surface of the round box-shaped lower support plate, a first elastic vibration isolation energy dissipater and a second elastic vibration isolation energy dissipater are arranged between the side wall of the bottom surface of the inverted T-shaped steel column and the inner side wall of the round box-shaped lower support plate, and a first upper elastic vibration isolation energy dissipater and a second upper elastic vibration isolation energy dissipater are arranged between the upper surface of the bottom surface of the inverted T-shaped steel column and the inner surface of the top surface of the round box-shaped lower support plate; the side wall of a round hole arranged on the top surface of the round box-shaped lower support plate is provided with a high-damping friction-resistant viscoelastic material; a pressure measuring lower sensor is arranged between the lower surface of the bottom surface of the inverted T-shaped steel column and the bottom surface of the round box-shaped lower support plate, and a pressure measuring vertical side sensor is arranged between the side wall of the bottom surface of the inverted T-shaped steel column and the inner side wall of the round box-shaped lower support plate.
2. The distributed multi-stage vibration isolating support according to claim 1, wherein the circular bearing plate is connected to the mechanical subsystem by fixing bolts.
3. The distributed multi-stage vibration isolation bearing according to claim 1, wherein the bottom plate of the lower bearing plate in the shape of a round box is connected with the other part of the machine into a whole through high-strength pre-tightening bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121999165.6U CN216279170U (en) | 2021-08-24 | 2021-08-24 | Distributed multi-stage vibration isolation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121999165.6U CN216279170U (en) | 2021-08-24 | 2021-08-24 | Distributed multi-stage vibration isolation support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216279170U true CN216279170U (en) | 2022-04-12 |
Family
ID=81060887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121999165.6U Active CN216279170U (en) | 2021-08-24 | 2021-08-24 | Distributed multi-stage vibration isolation support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216279170U (en) |
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2021
- 2021-08-24 CN CN202121999165.6U patent/CN216279170U/en active Active
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