CN115163729B - Circumferential array type inhaul cable vibration energy dissipation ring based on acoustic black hole beam - Google Patents
Circumferential array type inhaul cable vibration energy dissipation ring based on acoustic black hole beam Download PDFInfo
- Publication number
- CN115163729B CN115163729B CN202210822527.7A CN202210822527A CN115163729B CN 115163729 B CN115163729 B CN 115163729B CN 202210822527 A CN202210822527 A CN 202210822527A CN 115163729 B CN115163729 B CN 115163729B
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- black hole
- ring
- acoustic black
- shell
- circumferential array
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- 230000021715 photosynthesis, light harvesting Effects 0.000 title claims abstract description 31
- 238000013016 damping Methods 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
-
- 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
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Building Environments (AREA)
Abstract
The application provides a circumferential array type inhaul cable vibration energy dissipation ring based on an acoustic black hole beam, which comprises a circumferential array acoustic black hole beam vibration reduction ring and a detachable fixed shell, wherein the circumferential array acoustic black hole beam vibration reduction ring comprises a mounting ring and a plurality of acoustic black hole beams, the acoustic black hole Liang Junyun are arranged on the outer side wall of the mounting ring in a surrounding mode, the circumferential array acoustic black hole beam vibration reduction ring is arranged in the detachable fixed shell and is coaxial with the detachable fixed shell, and inhaul cables penetrate through the mounting ring. The application can realize the combined use of a plurality of vibration reduction rings so as to improve the energy dissipation capacity, and meanwhile, the single vibration reduction ring has the advantages of simple structure, convenient disassembly and assembly, long service life, good stability and low manufacturing cost.
Description
Technical Field
The invention relates to vibration damping equipment, in particular to a circumferential array type inhaul cable vibration energy dissipation ring based on an acoustic black hole beam.
Background
The bridge inhaul cable is the most important bearing component for the inhaul cable to support the bridge, is a life line of the bridge, and the durability and the reliability of the bridge are directly related to the safe operation and the service life of the bridge. However, vibration is not optimistic to bridge guy, and almost all in-service bridges are subject to vibration damage by factors such as wind, vehicle travel, earthquakes, etc., and are increasingly aggravated.
In the prior art, the service life of the bridge is prolonged by changing the material and structural design of various inhaul cables, but the bridge is expensive in manufacturing cost, and in addition, the bridge is designed in a forming mode, energy dissipation is not carried out on vibration, only the strength of the inhaul cables is enhanced, and meanwhile, the bridge in service is difficult to design and modify, so that the problem of damage of the inhaul cables caused by general vibration cannot be solved.
Disclosure of Invention
In view of the above, the invention aims to provide a circumferential array type inhaul cable vibration energy dissipation ring based on an acoustic black hole beam, which is used as an additional piece added in the later period, so that various inhaul cables such as bridges and the like are reduced under the vibration influence of factors such as wind power, vehicle running, earthquake and the like, the vibration energy of the inhaul cable is passively dissipated through the structural characteristics of the acoustic black hole beam without external energy supply, and the acoustic black hole beam structure adopts a spiral structure, so that the volume of the whole device is reduced, the quick disassembly and recombination can be realized due to the design characteristics of a shell, and further, the combination use of a plurality of vibration reduction rings can be realized.
The invention provides a circumferential array type inhaul cable vibration energy dissipation ring based on an acoustic black hole beam, which adopts the following technical scheme:
The utility model provides a circumference array type cable vibration energy dissipation ring based on acoustic black hole roof beam, includes circumference array acoustic black hole roof beam damping ring, can dismantle fixed shell, circumference array acoustic black hole roof beam damping ring includes collar and a plurality of acoustic black hole roof beam, a plurality of acoustic black hole Liang Junyun encircles the lateral wall that sets up in the collar, circumference array acoustic black hole roof beam damping ring sets up in dismantling fixed shell to with can dismantle fixed shell coaxial setting, the cable passes the collar.
Further, the vertical section of the acoustic black hole beam has a curve satisfying a power law curve distribution form, and the volume is reduced in a crimped form, while the two side curves of the transverse section satisfy the power law curve distribution form.
Further, different forms of damping materials can be attached to the acoustic black hole beam to improve damping performance and cope with complex environments.
Further, can dismantle fixed shell includes boss casing and recess casing that the symmetry set up, circumference array acoustics black hole roof beam damping ring evenly sets up to two parts along vertical direction to set up respectively in boss casing and recess casing, boss casing and recess casing are connected through the bolt.
Further, clamping grooves for installing the first acoustic black hole beam vibration damping ring and the second acoustic black hole beam vibration damping ring are formed in the boss shell and the groove shell.
Further, a plurality of fixing holes are formed in the boss shell and the groove shell, and bolts penetrate through the fixing holes to fix the first acoustic black hole beam vibration damping ring and the second acoustic black hole beam vibration damping ring in the clamping groove.
Further, the splicing surface of the boss shell is provided with a positioning boss, the splicing surface of the groove shell is provided with a positioning groove, and the positioning boss is inserted into the positioning groove.
Optionally, a rubber sealing ring is arranged between the boss shell and the groove shell, and the inhaul cable passes through the rubber sealing ring.
Furthermore, the circumferential array type inhaul cable vibration energy dissipation ring based on the acoustic black hole beam can be designed to have an inner diameter according to different inhaul cables and can be used in a plurality of combinations.
In summary, the present application comprises at least one of the following beneficial effects:
1. As an additional part added in the later period, various inhaul cables such as bridges and the like are reduced under the vibration influence of factors such as wind power, vehicle running, earthquake and the like; the vibration energy of the inhaul cable is passively dissipated through the tip energy dissipation characteristic of the acoustic black hole beam, external energy is not needed, the acoustic black hole beam structure adopts a spiral mode, so that the volume of the whole device is reduced, and meanwhile, different types of damping materials can be attached to the acoustic black hole beam, so that the effect of increasing damping performance is achieved;
2. due to the design characteristics of the shell, the vibration-damping ring can be quickly disassembled and recombined, and then a plurality of vibration-damping rings can be combined for use, so that the energy dissipation capacity is improved, meanwhile, the structure of a single vibration-damping ring is simple, the disassembly and the assembly are convenient, the service life is long, the stability is good, and the manufacturing cost is low.
Drawings
The invention is further described below with reference to the accompanying drawings and examples:
fig. 1 is a schematic structural diagram of a circumferential array type cable vibration energy dissipation ring based on an acoustic black hole beam in an embodiment of the application.
Fig. 2 is an exploded view of a circumferential array type cable vibration energy dissipation ring based on an acoustic black hole beam in an embodiment of the application.
Fig. 3 is a cross-sectional view of a circumferential array type cable vibration energy dissipation ring based on an acoustic black hole beam in an embodiment of the application.
Fig. 4 is a second cross-sectional view of a circumferential array type cable vibration energy dissipation ring based on an acoustic black hole beam in an embodiment of the application.
Fig. 5 is a view of the circumferential array type cable vibration energy dissipation ring based on an acoustic black hole beam of the present invention mounted on a cable.
Reference numerals illustrate:
1. A circumferential array acoustic black hole beam vibration damping ring; 11. a mounting ring; 12. an acoustic black hole beam; 2. a detachable fixed housing; 21. a boss housing; 211. positioning the boss; 22. a groove housing; 221. a positioning groove; 23. a clamping groove; 24. a fixing hole; 25. a mounting plate; 26. a mounting hole; 3. rubber sealing rings.
Detailed Description
The invention is described in further detail below in conjunction with the accompanying drawings 1-5 of the specification:
The embodiment of the application provides a circumferential array type inhaul cable vibration energy dissipation ring based on an acoustic black hole beam, and referring to fig. 1 and 2, the circumferential array type inhaul cable vibration energy dissipation ring based on the acoustic black hole beam comprises a circumferential array acoustic black hole beam vibration reduction ring 1, a detachable fixed shell 2 and a rubber sealing ring 3.
The circumference array acoustic black hole beam vibration reduction ring 1 comprises a mounting ring 11 and a plurality of acoustic black hole beams 12, the acoustic black hole beams 12 are uniformly arranged on the outer side wall of the mounting ring 11 in a surrounding mode, one end, extending outwards, of the acoustic black hole beams 12 is curled, the circumference array acoustic black hole beam vibration reduction ring 1 is installed in the detachable fixed shell 2 and is coaxially arranged with the detachable fixed shell 2, and a inhaul cable penetrates through the mounting ring 11.
Referring to fig. 3 and 4, the detachable fixing housing 2 is a circular truncated cone-shaped housing, and includes two semi-cylindrical boss housings 21 and a groove housing 22, wherein a positioning boss 211 is provided on a splicing surface of the boss housing 21, a positioning groove 221 is provided on a splicing surface of the groove housing 22, and the positioning boss 211 is inserted into the positioning groove 221 when the boss housing 21 and the groove housing 22 are spliced together; meanwhile, mounting plates 25 are arranged on the top side of one face of the boss shell 21 spliced with the groove shell 22 along the vertical direction, the mounting plates 25 are arranged on the upper side face and the lower side face of the shell, the boss shell 21 and the mounting plates 25 on the groove shell 22 are spliced together, the boss shell 21 and the mounting plates 25 on the groove shell 22 are fixed together through bolts, so that a complete annular structure is formed, the purposes of convenient disassembly and recombination are achieved, and in other embodiments, the detachable fixed shell 2 can be divided into multiple parts according to actual conditions. In this embodiment, the circumferential array acoustic black hole beam vibration damping ring 1 is uniformly divided into two parts along the vertical direction, and the two parts are respectively installed on the boss housing 21 and the groove housing 22, and the positioning boss 211 on the boss housing 21 is inserted into the positioning groove 221 on the groove housing 22, so that displacement between the boss housing 21 and the groove housing 22 can be avoided, and a limiting effect can be achieved on the circumferential array acoustic black hole beam vibration damping ring 1.
Referring to fig. 2, the vertical cross section of the acoustic black hole beam 12 has a curve that satisfies the power law curve profile and is reduced in volume in a crimped form, while the lateral cross section has a side curve that satisfies the power law curve profile. The power law curve satisfies the curve equation of the one-dimensional acoustic black hole beam, and the relative speed of bending waves is gradually reduced to zero, so that reflection cannot occur at the tip end part, the bending waves have the characteristic of tip energy dissipation, the vibration reduction effect on a inhaul cable can be achieved, and meanwhile the complete ring is disassembled into two or more forms to achieve convenient disassembly and assembly.
Different damping materials can be attached to the acoustic black hole beam structure to improve damping performance and cope with complex environments, the damping performance of the acoustic black hole beam structure is not adjustable, and the performance of the acoustic black hole beam structure can be adjusted according to specific environments by means of the additional damping materials.
Referring to fig. 3 and 4, the boss housing 21 and the groove housing 22 are provided with a clamping groove 23 and a fixing hole 24 for installing the circumferential array acoustic black hole beam vibration damping ring 1, the fixing hole 24 extends to the surface of the housing, two parts of the circumferential array acoustic black hole beam vibration damping ring 1 are respectively installed in the clamping grooves 23 of the boss housing 21 and the groove housing 22, and bolts are used to pass through the fixing hole 24 to fix the circumferential array acoustic black hole beam vibration damping ring 1 in the clamping groove 23.
Semicircular grooves are formed in the middle positions of the splicing surfaces of the boss shell 21 and the groove shell 22 along the vertical direction, when the boss shell 21 and the groove shell 22 are spliced together, two grooves form a circular hole-shaped mounting hole 26, annular ring grooves are formed in the side walls of the mounting hole 26, which are close to the upper hole opening and the lower hole opening, the rubber sealing ring 3 is mounted in the mounting hole 26 and is fixed in the mounting hole 26 through the ring grooves, and a guy rope penetrates through the rubber sealing ring 3 to fix the energy dissipation ring on the guy rope.
Referring to fig. 2 and 5, the boss housing 21 and the groove housing 22 in the circumferential array type cable vibration energy dissipation ring based on the acoustic black hole beam may have inner diameters according to different cable designs, and the circumferential array type cable vibration energy dissipation ring based on the acoustic black hole beam may be used in combination in plurality, and by performing linear arrangement on the cable, vibration damping performance is enhanced, and specific fixing positions and the number of uses may be changed.
The implementation principle of the circumferential array type inhaul cable vibration energy dissipation ring based on the acoustic black hole beam is as follows: the circumferential array acoustic black hole beam vibration reduction ring 1 is fixedly arranged in the boss shell 21 or the groove shell 22, the rubber sealing ring 3 is sleeved on the inhaul cable, and the boss shell 21 or the groove shell 22 are spliced together. And the rubber seal ring 3 is clamped in the mounting hole 26 between the boss housing 21 or the groove housing 22, and the boss housing 21 or the groove housing 22 is fixed on the inhaul cable by using bolts.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (5)
1. Circumferential array type inhaul cable vibration energy dissipation ring based on acoustic black hole beam, and is characterized in that: the acoustic black hole beam vibration reduction device comprises a circumferential array acoustic black hole beam vibration reduction ring (1) and a detachable fixed shell (2), wherein the circumferential array acoustic black hole beam vibration reduction ring (1) comprises a mounting ring (11) and a plurality of acoustic black hole beams (12), the acoustic black hole beams (12) are uniformly and circumferentially arranged on the outer side wall of the mounting ring (11), the circumferential array acoustic black hole beam vibration reduction ring (1) is arranged in the detachable fixed shell (2) and is coaxially arranged with the detachable fixed shell (2), and a guy cable penetrates through the mounting ring (11);
the detachable fixed shell (2) comprises a boss shell (21) and a groove shell (22) which are symmetrically arranged, the circumferential array acoustic black hole beam vibration reduction ring (1) is uniformly arranged into two parts along the vertical direction and is respectively arranged in the boss shell (21) and the groove shell (22), and the boss shell (21) is connected with the groove shell (22) through bolts;
Annular clamping grooves (23) for installing two parts of the circumferential array acoustic black hole beam vibration reduction ring (1) are respectively arranged in the boss shell (21) and the groove shell (22), and the shape of the clamping grooves (23) is matched with the shape of the installation ring (11);
the splicing surface of the boss shell (21) is provided with a positioning boss (211), the splicing surface of the groove shell (22) is provided with a positioning groove (221), and the positioning boss 211 is inserted into the positioning groove (221);
A rubber sealing ring (3) is arranged between the boss shell (21) and the groove shell (22), and the inhaul cable passes through the rubber sealing ring (3);
The middle positions of the splicing surfaces of the boss shell (21) and the groove shell (22) are provided with semicircular grooves along the vertical direction, when the boss shell (21) and the groove shell (22) are spliced together, the two grooves form a circular hole-shaped mounting hole (26), annular ring grooves are formed in the side walls of the mounting hole (26) close to the upper hole opening and the lower hole opening, the rubber sealing ring (3) is installed in the mounting hole (26) and is fixed in the mounting hole (26) through the ring grooves, and the inhaul cable passes through the rubber sealing ring (3) to fix the energy dissipation ring on the inhaul cable.
2. The circumferential array type cable vibration energy dissipation ring based on an acoustic black hole beam as defined in claim 1, wherein: the vertical cross section of the acoustic black hole beam (12) has a curve that satisfies a power law curve distribution and is reduced in volume in a crimped manner, while the lateral cross section has a curve that satisfies a power law curve distribution.
3. The acoustic black hole beam based circumferential array cable vibration energy dissipation ring as defined in claim 2, wherein: different forms of damping materials can be attached to the acoustic black hole beam (12) to improve damping performance and cope with complex environments.
4. The circumferential array type cable vibration energy dissipation ring based on an acoustic black hole beam as defined in claim 1, wherein: a plurality of fixing holes (24) are formed in the boss shell (21) and the groove shell (22), and bolts penetrate through the fixing holes (24) to fix the circumferential array acoustic black hole beam vibration reduction ring (1) in the clamping groove (23).
5. The circumferential array type cable vibration energy dissipation ring based on an acoustic black hole beam as defined in claim 1, wherein: the circumferential array type inhaul cable vibration energy dissipation ring based on the acoustic black hole beam can be designed to be in an inner diameter according to different inhaul cables and can be used in a plurality of combinations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210822527.7A CN115163729B (en) | 2022-07-13 | 2022-07-13 | Circumferential array type inhaul cable vibration energy dissipation ring based on acoustic black hole beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210822527.7A CN115163729B (en) | 2022-07-13 | 2022-07-13 | Circumferential array type inhaul cable vibration energy dissipation ring based on acoustic black hole beam |
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| Publication Number | Publication Date |
|---|---|
| CN115163729A CN115163729A (en) | 2022-10-11 |
| CN115163729B true CN115163729B (en) | 2024-06-21 |
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| CN202210822527.7A Active CN115163729B (en) | 2022-07-13 | 2022-07-13 | Circumferential array type inhaul cable vibration energy dissipation ring based on acoustic black hole beam |
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| CN115163729A (en) | 2022-10-11 |
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