Rubber vibration-damping damper
Technical Field
The utility model relates to a structure damping technical field, concretely relates to rubber damping attenuator.
Background
Rubber has both elastic solid properties and viscous fluid properties, and has been widely used as a vibration damper.
In practical engineering, the rubber vibration damper has the following problems: for example, in the vibration reduction of the stay cable of the bridge, the rubber in the rubber vibration reduction damper generates deformation under the action of external force during installation, the rubber of the damper is in a shear deformation state for a long time in the use process, the rubber vibration reduction effect is poor, and the service life of the rubber is greatly reduced under the action of vibration load; in addition, after the rubber vibration damper on the stay cable is installed, the size of the rubber vibration damper cannot be adjusted again, and the rubber vibration damper is not suitable for the change of the installation size in the later vibration damping process.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a rubber damping attenuator can resume fast after the rubber shear deformation in the use, increases the damping effect of attenuator and the life of rubber.
In order to achieve the above purpose, the utility model adopts the technical proposal that: a rubber vibration damper comprising:
an outer cylinder provided with a first cover plate;
a rubber member fixed within the outer barrel;
one end of the screw penetrates through the first cover plate and the rubber component in sequence and is connected with the rubber component, and a spring baffle is further arranged on the screw;
and the spring is arranged in the outer barrel and is abutted between the spring baffle and the first cover plate.
On the basis of the technical scheme, the rubber component comprises a connecting inner ring, a rubber ring and a connecting outer ring, the rubber ring is arranged between the connecting inner ring and the connecting outer ring, and the connecting inner ring, the rubber ring and the connecting outer ring are integrally arranged.
On the basis of the technical scheme, the connecting inner ring is in threaded connection with the screw.
On the basis of the technical scheme, a baffle is arranged in the outer barrel, and the connecting outer ring is connected with the baffle.
On the basis of the technical scheme, the screw rod is provided with a pressing plate nut which is used for adjusting the distance between the spring baffle and the first cover plate.
On the basis of the technical scheme, one end of the screw rod, which is positioned outside the outer cylinder, is provided with a tubular flower basket nut, and the tubular flower basket nut can move back and forth along the screw rod.
On the basis of the technical scheme, the tubular flower basket nut is provided with an adjusting screw, the adjusting screw is provided with a first grommet, and the first grommet is used for being flexibly connected with an external structure.
On the basis of the technical scheme, the outer barrel is further provided with a second cover plate, a second grommet is arranged on the second cover plate, and the second grommet is used for being flexibly connected with an external structure.
Compared with the prior art, the utility model has the advantages of: the utility model discloses a rubber damping attenuator when urceolus and screw rod receive the exogenic action, and the effect of exogenic action is offset on urceolus and screw rod to the spring action, makes the rubber subassembly of connection on the screw rod take place to cut and warp the back and resume fast, reinforcing damping effect and rubber life.
Drawings
FIG. 1 is a schematic structural view of a rubber vibration damper according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a rubber component in an embodiment of the present invention;
in the figure: 1. an outer cylinder; 11. a first cover plate; 12. a baffle plate; 13. a second cover plate; 131. a second grommet; 2. a rubber component; 21. connecting the inner ring; 211. a threaded hole; 22. a rubber ring; 23. connecting an outer ring; 3. a screw; 31. a spring baffle; 32. a platen nut; 4. a spring; 5. a tubular flower basket nut; 6. adjusting the screw rod; 61. a first grommet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, an embodiment of the present invention provides a rubber vibration damper, including: the rubber component comprises an outer barrel 1, a rubber component 2, a screw 3 and a spring 4, wherein the outer barrel 1 is provided with a first cover plate 11; the rubber component 2 is fixed in the outer cylinder 1; one end of the screw rod 3 sequentially penetrates through the first cover plate 11 and the rubber component 2 and is fixed on the rubber component 2, and a spring baffle plate 31 is arranged on the screw rod 3; the spring 4 is disposed in the outer cylinder 1, and the spring 4 is abutted between the spring baffle 31 and the first cover plate 11.
Compared with the prior art, the embodiment of the utility model provides an in the rubber damping attenuator, when urceolus 1 and screw rod 3 received the exogenic action, spring 4 acted on urceolus 1 and screw rod 3, offset the effect of exogenic action, make rubber component 2 of connection on screw rod 3 take place to resume original state fast after warping, in addition, the embodiment of the utility model provides an in the rubber damping attenuator, rubber component 2 and spring 4 are parallelly connected, and the anti vibration power consumption effect of ability make full use of rubber, the deformation resilience of rubber and the shock-resistant shock-absorbing capacity of spring have fine damping and inhale the shake effect.
As a preferred embodiment, referring to fig. 2, the rubber assembly 2 comprises a connecting inner ring 21, a rubber ring 22 and a connecting outer ring 23, the rubber ring 22 is arranged between the connecting inner ring 21 and the connecting outer ring 23, and the connecting inner ring 21, the rubber ring 22 and the connecting outer ring 23 are integrally arranged; the connecting inner ring 21 is in threaded connection with the screw rod 3; a baffle plate 12 is arranged in the outer cylinder 1, and a connecting outer ring 23 is connected with the baffle plate 12.
As an alternative, the inner connecting ring 21 and the outer connecting ring 23 may be made of steel, and then the inner connecting ring and the outer connecting ring are vulcanized to form an integral structure with the rubber ring 22. The inner connecting ring 21 is provided with a threaded hole 211, and is connected with the screw rod 3 through the threaded hole 211. Further, nuts may be disposed at two ends of the connection inner ring 21 to facilitate fixing and locking the connection inner ring 21. Alternatively, the connecting outer ring 23 and the baffle 12 may be provided with through holes for fitting connection, and the connecting outer ring 23 and the baffle 12 are connected by bolts.
In a preferred embodiment, the screw rod 3 is provided with a pressure plate nut 32 for adjusting the distance between the spring baffle 31 and the first cover plate 11, and the adjustment is simple and convenient and has strong adaptability.
In a preferred embodiment, a tubular turn nut 5 is provided at the end of the screw 3 outside the outer cylinder 1, and the tubular turn nut 5 is reciprocally movable along the screw 3. An adjusting screw 6 is arranged on the tubular flower basket nut 5, a first grommet 61 is arranged on the adjusting screw 6, and the first grommet 61 is used for flexibly connecting the rubber vibration damper with an external structure. The overall length of the rubber vibration-damping damper can be adjusted through the tubular flower basket nut 5 and the adjusting screw 6, the rubber vibration-damping damper is suitable for changes of installation size in the use process of the rubber vibration-damping damper, and the rubber vibration-damping damper is convenient to connect with an external structure.
In a preferred embodiment, the outer cylinder 1 is further provided with a second cover 13, the second cover 13 is provided with a second grommet 131, and the second grommet 131 is used for flexibly connecting the rubber vibration damper with an external structure.
The utility model discloses a rubber vibration damper a concrete use method is:
the rubber vibration damper is flexibly connected with a stay cable of a bridge, the integral installation length of the rubber vibration damper can be adjusted through the tubular flower basket nut 5 and the adjusting screw 6, and the distance between the spring baffle 31 and the first cover plate 11 is adjusted through the pressure plate nut 32, so that the elasticity of the spring 4 is enough to enable the rubber ring 22 in the rubber component 2 connected to the screw 3 to be quickly restored after being deformed; due to the action of the spring 4, when the rubber vibration-damping damper is flexibly connected with the stay cable, the damper can play a role in vibration damping and energy consumption in the reciprocating vibration process of the stay cable.
The present invention is not limited to the above preferred embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is within the scope of protection.