CN116447276A - Vibration damping protection device and installation method thereof - Google Patents
Vibration damping protection device and installation method thereof Download PDFInfo
- Publication number
- CN116447276A CN116447276A CN202310414020.2A CN202310414020A CN116447276A CN 116447276 A CN116447276 A CN 116447276A CN 202310414020 A CN202310414020 A CN 202310414020A CN 116447276 A CN116447276 A CN 116447276A
- Authority
- CN
- China
- Prior art keywords
- vibration reduction
- column
- core column
- vibration
- cladding
- 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.)
- Pending
Links
- 238000013016 damping Methods 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000009434 installation Methods 0.000 title abstract description 10
- 230000009467 reduction Effects 0.000 claims abstract description 77
- 238000005253 cladding Methods 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 239000002775 capsule Substances 0.000 claims abstract description 22
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 229920001971 elastomer Polymers 0.000 claims abstract description 18
- 239000000806 elastomer Substances 0.000 claims abstract description 9
- 239000003566 sealing material Substances 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 15
- 239000000853 adhesive Substances 0.000 claims description 14
- 230000001070 adhesive effect Effects 0.000 claims description 14
- 230000008719 thickening Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011358 absorbing material Substances 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 230000035939 shock Effects 0.000 claims description 6
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000001012 protector Effects 0.000 claims description 4
- 210000005056 cell body Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 22
- 238000010276 construction Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 5
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
Classifications
-
- 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
- F16F15/04—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 using elastic means
- F16F15/08—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 using elastic means with rubber springs ; with springs made of rubber and metal
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/04—Cable-stayed bridges
-
- 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
- F16F2224/00—Materials; Material properties
- F16F2224/005—Combined materials of same basic nature but differing characteristics
-
- 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
- F16F2224/00—Materials; Material properties
- F16F2224/02—Materials; Material properties solids
- F16F2224/025—Elastomers
-
- 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
- F16F2224/00—Materials; Material properties
- F16F2224/02—Materials; Material properties solids
- F16F2224/0283—Materials; Material properties solids piezoelectric; electro- or magnetostrictive
-
- 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
- F16F2230/00—Purpose; Design features
- F16F2230/0041—Locking; Fixing in position
-
- 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
- F16F2230/00—Purpose; Design features
- F16F2230/10—Enclosure elements, e.g. for protection
-
- 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
- F16F2230/00—Purpose; Design features
- F16F2230/30—Sealing arrangements
-
- 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
- F16F2234/00—Shape
- F16F2234/02—Shape cylindrical
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of bridge construction, in particular to a vibration reduction damping protection device and an installation method thereof, which are used for being installed between a inhaul cable and a sleeve, and comprise a vibration reduction assembly and further comprise: the sealing core piece is provided with a coating core column for coating the inhaul cable; the outer cover body is provided with a sealing section and an outer cover section at two ends respectively, the sealing section is sleeved outside the cladding core column, and the outer cover section is used for shielding outside the sleeve; the vibration reduction assembly comprises a vibration reduction cylinder column, the vibration reduction cylinder column is sleeved outside the cladding core column, vibration reduction capsules are distributed on the inner side of the vibration reduction cylinder column, and the outer wall of the vibration reduction cylinder column forms a propping surface for propping against the inner wall of the sleeve; the cladding core column, the outer cover body and the vibration reduction cylinder column are respectively made of elastomer sealing materials. The protection device has good waterproof sealing effect and can effectively improve the vibration reduction effect.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a vibration reduction damping protection device and an installation method thereof.
Background
The stay cable is one of three stress members of the cable-stayed bridge, bears the task of transmitting the dead weight of the main girder to the main tower, and because the stay cable has the characteristics of large slenderness ratio, small mass, large flexibility and low damping, various vibrations are easy to occur under the excitation of external environment, the vibrations easily cause fatigue fracture of the stay cable, micro-motion damage occurs, the protection device of the stay cable is damaged, and the like, so that the service life of the stay cable is shortened, and the wind vibration of the stay cable can also cause fatigue cracking of the concrete at the root of the stay cable for the concrete cable-stayed bridge.
In the prior art, the cable is anchored with the girder of the bridge through an anchorage device in the sleeve, an annular rubber damper is sleeved between the sleeve and the cable, the rubber damper and the cable are wrapped by an air bag in a curled mode, and then the sleeve is sealed by a waterproof coating above the rubber damper, so that the structure has the following defects: on the one hand, the air bag is inevitably provided with a fine gap, the waterproof sealing performance is low, the connection tightness between the air bag and the inhaul cable is poor, the vibration of the inhaul cable is difficult to fully transfer, the vibration reduction effect is affected, the rubber damper is aged to a certain extent after being used for a period of time, the connection between the rubber damper and the sleeve and the air bag is loosened, and the vibration reduction effect is further weakened; on the other hand, at the juncture of the inhaul cable and the waterproof coating, gaps are extremely easy to generate, rainwater is easy to permeate into the sleeve through the gaps, so that water accumulation exists in the anchorage device, and the corrosion of the anchorage device is caused.
Disclosure of Invention
Aiming at the existing technical situation, the invention provides the vibration damping protection device which has good waterproof sealing effect and can effectively improve the vibration damping effect and the installation method thereof.
In order to achieve the above purpose, the invention adopts the following technical scheme:
in one aspect, the present invention provides a vibration damping protection device, configured to be installed between a cable and a sleeve, including a vibration damping assembly, and further including:
the sealing core piece is provided with a coating core column for coating the inhaul cable;
the outer cover body is provided with a sealing section and an outer cover section at two ends respectively, the sealing section is sleeved outside the cladding core column, and the outer cover section is used for shielding outside the sleeve;
the vibration reduction assembly comprises a vibration reduction cylinder column, the vibration reduction cylinder column is sleeved outside the cladding core column, vibration reduction capsules are distributed on the inner side of the vibration reduction cylinder column, and the outer wall of the vibration reduction cylinder column forms a propping surface for propping against the inner wall of the sleeve;
the cladding core column, the outer cover body and the vibration reduction cylinder column are respectively made of elastomer sealing materials.
In some preferred embodiments, the inner side of the cladding stem is further provided with an adhesive layer, the inner wall of the cladding stem is provided with a strip-shaped groove, the bottom of the strip-shaped groove is connected with a pouring hole for pouring adhesive, and the pouring hole penetrates from the bottom of the strip-shaped groove to the outer wall of the cladding stem.
In some preferred embodiments, the coated core column comprises at least two splicing units arranged along the circumferential direction, and the splicing seams between adjacent splicing units are in a tooth-shaped structure along the axis parallel direction of the coated core column.
In some preferred embodiments, the splicing units are provided with splicing end faces, the splicing end faces are provided with protruding blocks and concave tables which are arranged in a staggered manner along the axis parallel direction of the cladding core column, the protruding blocks are arranged on the protruding blocks in a protruding mode, grooves are formed in the concave tables in a concave mode, and the clamping blocks on each splicing unit are clamped with the grooves on the other splicing unit on the splicing end faces spliced with each other between the adjacent splicing units.
In some preferred embodiments, the coating core column is provided with a waterproof convex rib, the waterproof convex rib is in a frustum structure, the coating core column is sleeved with a sealing ring, the sealing ring is arranged at one end, close to the vibration reduction cylinder column, of the waterproof convex rib, the sealing section is sleeved outside the sealing ring, and the lower bottom surface of the frustum structure abuts against the outer cover body.
In some preferred embodiments, the vibration reduction cylinder column comprises at least two split units distributed along the circumferential direction, the split units are provided with butt end faces, the butt end faces are concavely provided with half groove bodies, the half groove bodies are provided with inclination adjusting end faces, and corresponding half groove bodies on adjacent split units jointly enclose to form a variable groove; the coating core column is connected with adjusting guide rods corresponding to the deformation grooves in number, the adjusting guide rods are arranged in the deformation grooves along the axis parallel direction of the vibration reduction cylinder column, the cross sections of the adjusting guide rods are in a fan-ring structure, the adjusting guide rods are provided with adjusting inclined planes which are propped against the inclined adjusting end faces, the adjusting inclined planes incline towards the direction close to the inclined adjusting end faces along the direction away from the coating core column, and the inclination direction of the inclined adjusting end faces is consistent with the inclination direction of the adjusting inclined planes which are propped against the inclined adjusting end faces.
In some preferred embodiments, the vibration reduction assembly is further provided with a telescopic ring piece for connecting each split unit, the telescopic ring piece is arranged along the vertical direction of the axis of the vibration reduction cylinder column, the telescopic ring piece comprises a first semi-ring piece and a second semi-ring piece, two ends of the first semi-ring piece are provided with a cylinder, and two ends of the second semi-ring piece are inserted into the cylinder; the butt joint terminal surface is followed the radial inward direction of shock attenuation section of thick bamboo post is equipped with outer loop layer and inner loop layer in proper order, the half cell body is located on the inner loop layer, outer loop layer be equipped with the height in the epitaxial section of inner loop layer, the epitaxial section is located the shock attenuation section of thick bamboo post is close to the one end of cladding stem, the epitaxial section is equipped with the confession the connecting hole that the expansion ring spare runs through.
In some preferred embodiments, the telescopic ring member extends outwards along the radial direction to form a guide rod, the outer cover body is provided with a guide limit groove arranged along the axial direction, and the guide rod is slidably arranged in the guide limit groove.
In some preferred embodiments, the vibration damping capsules are spherical structures and the vibration damping capsules are elastic energy absorbing materials modified based on piezoelectric composites and/or shear thickening materials, the piezoelectric composites being composed of piezoelectric particles and conductive particles.
On the other hand, the invention also provides an installation method of the vibration reduction damping protection device, which comprises the following steps:
sleeving the coated core column on the inhaul cable, and sleeving the vibration reduction cylinder column outside the coated core column;
injecting a binder into the coated core column, and extruding the vibration reduction cylinder column into the sleeve after the binder is solidified;
and sleeving the sealing section of the outer cover body outside the cladding core column.
The invention has the beneficial effects that:
under the combined action of the cladding core column and the outer cover body, the protective device effectively prevents external rainwater from penetrating into the sleeve, and the cladding core column and the vibration reduction cylinder column can form a whole after being assembled, and can deform along with the stay cable when the stay cable vibrates, so that the integral waterproof performance is always ensured, and the integral waterproof effect is good; on the other hand, through the inseparable cladding cable of cladding stem, increase the cohesion between damping subassembly and the cable, adopt the dual damping structure of damping capsule and damping section of thick bamboo post with the damping subassembly simultaneously, damping subassembly can more fully transmit, consume the vibration of cable, effectively promote holistic damping effect, and maintenance change is simple and convenient.
Drawings
Fig. 1 is a schematic structural view of a vibration damping protection device according to the present invention.
Fig. 2 is a schematic view of the structure of the vibration damping protection apparatus according to the present invention with a part of the outer cover removed.
FIG. 3 is a schematic view of a vibration damping protector according to the present invention with a portion of the housing removed and a portion of the damper cylinder removed.
Fig. 4 is an exploded view of the seal core of the present invention.
Fig. 5 is a side view of the present invention.
Fig. 6 is a schematic structural view of a docking unit according to the present invention.
Fig. 7 is a cross-sectional view of the housing of the present invention.
Fig. 8 is a schematic structural view of the telescopic ring member of the present invention.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1, fig. 2, fig. 3 and fig. 7, the present embodiment discloses a vibration damping protection device, which is configured to be installed between a cable and a sleeve, and includes a vibration damping assembly 3, and further includes:
a sealing core piece 1, wherein the sealing core piece 1 is provided with a coating core column 11 for coating a inhaul cable;
the outer cover body 2, two ends of the outer cover body 2 are respectively provided with a sealing section 21 and an outer cover section 22, the sealing section 21 is sleeved outside the cladding core column 11, and the outer cover section 22 is used for covering the outside of the sleeve;
the vibration reduction assembly 3 comprises a vibration reduction cylinder column 31, the vibration reduction cylinder column 31 is sleeved outside the cladding core column 11, vibration reduction capsules 32 are distributed on the inner side of the vibration reduction cylinder column 31, and an abutting surface 311 for abutting against the inner wall of the sleeve is formed on the outer wall of the vibration reduction cylinder column 31;
the covering stem 11, the outer cover 2 and the vibration damping cylinder 31 are respectively elastomer sealing materials, wherein the elastomer sealing materials can be rubber, and the rubber can be any one or a combination of a plurality of natural rubber, nitrile rubber, ethylene propylene rubber, silicone rubber or polyurethane rubber, but is not limited to the above.
The vibration damping capsule 32 may be pre-mounted on the inner wall of the vibration damping cylinder 31, for example, by forming an accommodating groove in the inner wall of the vibration damping cylinder 31, embedding one end of the vibration damping capsule 32 in the accommodating groove, or fixing the vibration damping capsule 32 on the inner wall of the vibration damping cylinder 31 by means of hot melting, gluing, or the like, but not limited thereto, it is only necessary to ensure that the vibration damping capsule 32 is firmly distributed on the inner side of the vibration damping cylinder 31, preferably, the relative distance between the inner wall of the vibration damping cylinder 31 and the sealing core member 1 is smaller than the diameter of the vibration damping capsule 32, so that the vibration damping assembly 3 is tightly pressed between the guy cable and the sleeve after being mounted.
In terms of water resistance, the protection device of the embodiment is provided with the coated core column 11 outside the inhaul cable, and tightly coats the inhaul cable, and as the coated core column 11 adopts an elastomer sealing material, the junction between the coated core column 11 and the inhaul cable is always in a tight sealing state, so that rainwater is effectively prevented from penetrating into the sleeve along the inhaul cable; on the other hand, the outer cover body 2 is sleeved outside, the outer cover body 2 is sleeved in the cladding core column 11 through the sealing section 21, and the cladding core column 11 and the outer cover body 2 are made of elastomer sealing materials, so that the cladding core column 11 and the outer cover body 2 can be tightly connected after being sleeved to form a whole, and rainwater is effectively prevented from penetrating into the sleeve through the junction between the cladding core column 11 and the outer cover body 2; meanwhile, the outer cover body 2 is provided with the outer cover section 22 and is covered outside the sleeve, so that penetration into the sleeve through the opening of the sleeve is avoided, external rainwater is effectively prevented from penetrating into the sleeve under the combined action of the cladding core column 11 and the outer cover body 2, the cladding core column 11 and the vibration reduction cylinder column 31 are respectively made of elastomer sealing materials, an integral body can be formed after assembly, the integral body can be deformed along with the vibration of the inhaul cable, the integral waterproof performance is always ensured, and the integral waterproof effect is good.
In the aspect of vibration reduction, on one hand, the covered core column 11 tightly covers the inhaul cable, the covered core column 11 and the inhaul cable form a whole, the vibration reduction cylinder column 31 is connected with the inhaul cable through the covered core column 11, and as the covered core column 11 and the vibration reduction cylinder column 31 are respectively made of elastomer sealing materials, the vibration reduction cylinder column 31 and the covered core column 11 are tightly combined, so that the effect of increasing the bonding force between the vibration reduction assembly 3 and the inhaul cable is achieved, the bonding force between the vibration reduction assembly 3 and the inhaul cable is stronger, and the vibration reduction assembly 3 can fully transmit and consume the vibration of the inhaul cable; on the other hand, a plurality of independent vibration damping capsules 32 are distributed on the inner side of the vibration damping cylinder column 31, after the vibration damping cylinder column 31 and the vibration damping capsules 32 are assembled, the vibration damping cylinder column 31 and the vibration damping capsules 32 are tightly extruded between the inhaul cable and the sleeve, the vibration damping assembly 3, the cladding core column 11, the sleeve and the inhaul cable form a whole, and when the inhaul cable vibrates, the vibration damping capsules 32 and the vibration damping cylinder column 31 are in double transmission, so that the vibration damping effect of the inhaul cable is effectively improved.
Under the combined action of the cladding core column 11 and the outer cover body 2, the protective device effectively prevents external rainwater from penetrating into the sleeve, and the cladding core column 11 and the vibration reduction cylinder column 31 can form a whole after being assembled, and can deform along with the vibration reduction cylinder column 31 when the inhaul cable vibrates, so that the integral waterproof performance is always ensured, and the integral waterproof effect is good; on the other hand, through the inseparable cladding cable of cladding stem 11, increase the cohesion between damping subassembly 3 and the cable, adopt the dual damping structure of damping capsule 32 and damping section of thick bamboo post 31 with damping subassembly 3 simultaneously, damping subassembly 3 can more fully transmit, consume the vibration of cable, effectively promote holistic damping effect, and maintenance change is simple and convenient.
Referring to fig. 3 and 4, an adhesive layer is further disposed on the inner side of the coated core column 11, a strip-shaped groove 111 is disposed on the inner wall of the coated core column 11, in this embodiment, the cross section of the strip-shaped groove 111 is in an arc-shaped structure, a plurality of strip-shaped grooves 111 are distributed at intervals along the axis direction of the coated core column 11, the bottom of the strip-shaped groove 111 is connected with a pouring hole 112 for pouring adhesive, and the pouring hole 112 penetrates from the bottom of the strip-shaped groove 111 to the outer wall of the coated core column 11, wherein the adhesive can be any one or a combination of multiple epoxy structural adhesives, acrylic structural adhesives, polyurethane structural adhesives or silicone structural adhesives.
After the cladding stem 11 is arranged at the corresponding position of the inhaul cable, the filling hole 112 is used for filling the adhesive, the adhesive enters the strip-shaped groove 111 through the filling hole 112, an adhesive layer can be formed between the cladding stem 11 and the inhaul cable after the adhesive is solidified, the adhesive force and the sealing performance between the cladding stem 11 and the inhaul cable are further improved, and further, the better waterproof effect and the vibration reduction effect are achieved.
Referring to fig. 3 and 4, the coated core column 11 includes at least two splice units 13 arranged along the circumferential direction, and the splice joint between adjacent splice units 13 is in a tooth-shaped structure along the parallel direction of the axis of the coated core column 11, in this embodiment, the coated core column 11 is formed by splicing two splice units 13, and the splice joint adopts a tooth-shaped structure, so that on one hand, the splice contact area between adjacent splice units 13 can be increased, the splice firmness is enhanced, and on the other hand, the waterproof effect of the splice joint can be improved by the concave-convex staggered structure of the tooth-shaped structure.
Referring to fig. 4, the splicing units 13 are provided with splicing end faces 131, the splicing end faces 131 are provided with protruding blocks 132 and concave tables 133 which are arranged in a staggered manner along the axis parallel direction of the coated core column 11, the protruding blocks 134 are arranged on the protruding blocks 132 in a protruding manner, the concave tables 133 are provided with grooves 135 in a concave manner, and the clamping blocks 134 on each splicing unit 13 are mutually clamped with the grooves 135 on the other splicing unit 13 on the splicing end faces 131 spliced between the adjacent splicing units 13, so that the coated core column 11 is formed by splicing a plurality of splicing units 13, the coated core column 11 is prevented from being sleeved from the end part of a guy cable, and the coated core column 11 is more convenient to install; the staggered arrangement of the protruding blocks 132 and the concave tables 133 can be used for initially positioning, so that the splicing difficulty is reduced by utilizing the clamping between the subsequent clamping blocks 134 and the grooves 135, and on the other hand, the splicing seam with a tooth-shaped structure is formed, in the embodiment, the splicing unit 13 comprises a first splicing unit 13 and a second splicing unit 13, wherein the clamping blocks 134 on the splicing end face 131 of the first splicing unit 13 are clamped with the grooves 135 on the splicing end face 131 of the corresponding side of the second splicing unit 13, and the grooves 135 on the splicing end face 131 of the first splicing unit 13 are clamped with the clamping blocks 134 on the splicing end face 131 of the corresponding side of the second splicing unit 13.
Referring to fig. 3, the coated core column 11 is provided with a waterproof rib 113, the waterproof rib 113 is in a frustum structure, the coated core column 11 is sleeved with a sealing ring 114, the sealing ring 114 is arranged at one end, close to the vibration reduction cylinder column 31, of the waterproof rib 113, the sealing section 21 is sleeved outside the sealing ring 114, the lower bottom surface of the frustum structure is propped against the outer cover body 2, the outer side wall inclined by the frustum structure can guide rainwater to the outer side, meanwhile, the lower bottom surface of the frustum structure is propped against the outer cover body 2, not only can the sealing effect be achieved, but also the connection firmness between the coated core column 11 and the outer cover body 2 can be improved, meanwhile, the sealing ring 114 is arranged between the sealing section 21 and the coated core column 11, and the sealing performance and the connection firmness between the coated core column 11 and the outer cover body 2 are further improved.
Referring to fig. 3, 4 and 6, the vibration damping cylinder 31 includes at least two split units 33 arranged along the circumferential direction, the split units 33 are provided with butt end surfaces 331, the butt end surfaces 331 are concavely provided with half groove bodies 332, the half groove bodies 332 are provided with inclination adjusting end surfaces 333, and the corresponding half groove bodies 332 on the adjacent split units 33 jointly enclose a variable groove; the coated core column 11 is connected with adjusting guide rods 12 corresponding to the number of the deformation grooves, the adjusting guide rods 12 are arranged in the deformation grooves along the axis parallel direction of the vibration reduction cylinder column 31, the cross section of each adjusting guide rod 12 is in a fan-shaped ring structure, the adjusting guide rods 12 are provided with adjusting inclined planes 121 propped against the inclined adjusting end faces 333, the adjusting inclined planes 121 incline towards the direction close to the inclined adjusting end faces 333 along the direction far away from the coated core column 11, and the inclination direction of the inclined adjusting end faces 333 is consistent with the inclination direction of the adjusting inclined planes 121 propped against the inclined adjusting end faces.
After the waterproof device is used for a period of time, if the vibration reduction assembly 3 is aged or the vibration reduction assembly 3 cannot be tightly extruded between the sealing core piece 1 and the sleeve due to factors such as external force, the split unit 33 is pressed down, the split unit 33 is extruded by the adjusting inclined plane 121 to move downwards and simultaneously moves outwards along the radial direction of the cladding core column 11 under the guiding action of the adjusting guide rod 12, the relative distance between the split units 33 changes and diffuses outwards, and then the whole vibration reduction assembly 3 is tightly extruded between the sealing core piece 1 and the sleeve again, in addition, during installation, the extrusion tightness degree of the vibration reduction assembly 3 in the sleeve can be adjusted by utilizing the adjusting action of the adjusting guide rod 12, and the purposes of adjusting the damping adjustment force and the damping size of the vibration reduction assembly 3 are achieved by the mutual matching between the adjusting inclined plane 121 of the adjusting guide rod 12 and the inclined adjusting end face 333 of the split unit 33.
Referring to fig. 3 and 8, the vibration damping assembly 3 is further provided with a telescopic ring 34 for connecting each split unit 33, the telescopic ring 34 is arranged along the vertical direction of the axis of the vibration damping cylinder 31, the telescopic ring 34 comprises a first half ring 341 and a second half ring 342, two ends of the first half ring 341 are provided with inserting cylinders 343, two ends of the second half ring 342 are inserted into the inserting cylinders 343, and the inserting cylinders 343 have a certain depth so as to ensure that the telescopic ring 34 can synchronously stretch along with the adjustment of the relative distance between the split units 33; the butt joint terminal surface 331 is equipped with outer loop layer and inner loop layer in proper order along the radial inward direction of shock attenuation section of thick bamboo post 31, and half cell body 332 locates on the inner loop layer, and outer loop layer is equipped with the epitaxial section 334 that exceeds the inner loop layer, and the one end that shock attenuation section of thick bamboo post 31 is close to cladding stem 11 is located to epitaxial section 334, and epitaxial section 334 is equipped with the connecting hole that supplies expansion ring piece 34 to run through, and expansion ring piece 34 plays the connection effect on the one hand, and on the other hand can play the positioning action, ensures that each components of a whole that can function independently unit 33 sets up along circumference direction.
Referring to fig. 1, 7 and 8, the telescopic ring 34 extends outwards along the radial direction to form a guide rod 344, the outer cover 2 is provided with a guide limit groove 23 arranged along the axial direction, the guide rod 344 is slidably arranged in the guide limit groove 23, when the outer cover 2 moves, the movement of the outer cover 2 is limited through the mutual cooperation between the guide rod 344 and the guide limit groove 23, the outer cover 2 is ensured to always move along the axial direction of the cladding stem 11, and the connection tightness between the outer cover 2 and the cladding stem 11 is ensured.
The vibration damping capsule 32 is in a spherical structure, and the vibration damping capsule 32 is an elastic energy absorbing material modified based on a piezoelectric compound and/or a shear thickening material, wherein the piezoelectric compound is composed of piezoelectric particles and conductive particles, and the elastic energy absorbing material modified based on the piezoelectric compound and/or the shear thickening material can be a blend of shear thickening gel and polyurethane, or a blend of silica nano-microspheres, shear thickening gel and polyurethane, or a foaming material obtained by mixing the shear thickening gel and silicone rubber, or a piezoelectric damping rubber material.
The conventional rubber material has limited vibration damping effect and relatively large temperature correlation, and when the temperature exceeds a vitrification transformation temperature range, damping capacity is reduced, in the embodiment, the vibration damping capsule 32 is an elastic energy-absorbing material modified based on a piezoelectric compound and/or a shear thickening material, wherein when the elastic energy-absorbing material modified based on the piezoelectric compound is subjected to external vibration, mechanical energy can be converted into electric energy through piezoelectric particles, the electric energy is converted into heat to be consumed by conductive particles, and the damping temperature range is widened from different vibration damping mechanisms, so that the protection device can still stably exert a better vibration damping effect when the external temperature is changed; the shear thickening material can endow the elastic energy absorbing material with shear thickening property, and when the elastic energy absorbing material is impacted by external force, the strength is improved, more mechanical energy is consumed, the damping temperature range can be widened, and meanwhile, the vibration reduction capability can be improved.
The embodiment also discloses an installation method of the vibration reduction damping protection device, which comprises the following steps:
s10, sleeving the coated core column 11 on a inhaul cable, and sleeving the vibration reduction cylinder column 31 outside the coated core column 11;
s20, injecting an adhesive into the coated core column 11, and extruding the vibration reduction cylinder column 31 into the sleeve after the adhesive is solidified, so that the vibration reduction cylinder column 31, the coated core column 11 and the sleeve are integrated, and further, the inhaul cable vibration can be fully transmitted;
s30, sleeving the sealing section 21 of the outer cover body 2 outside the cladding core column 11.
The protection device is simple in installation mode, good in waterproof effect after installation, capable of fully transmitting and absorbing inhaul cable vibration, and good in vibration reduction and damping effect.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.
Claims (10)
1. The utility model provides a damping protector for install between cable and sleeve, including the damping subassembly, its characterized in that still includes:
the sealing core piece is provided with a coating core column for coating the inhaul cable;
the outer cover body is provided with a sealing section and an outer cover section at two ends respectively, the sealing section is sleeved outside the cladding core column, and the outer cover section is used for shielding outside the sleeve;
the vibration reduction assembly comprises a vibration reduction cylinder column, the vibration reduction cylinder column is sleeved outside the cladding core column, vibration reduction capsules are distributed on the inner side of the vibration reduction cylinder column, and the outer wall of the vibration reduction cylinder column forms a propping surface for propping against the inner wall of the sleeve;
the cladding core column, the outer cover body and the vibration reduction cylinder column are respectively made of elastomer sealing materials.
2. The vibration damping protection device according to claim 1, wherein an adhesive layer is further arranged on the inner side of the cladding stem, a strip-shaped groove is formed in the inner wall of the cladding stem, a filling hole for filling adhesive is connected to the bottom of the strip-shaped groove, and the filling hole penetrates from the bottom of the strip-shaped groove to the outer wall of the cladding stem.
3. The vibration damping protector according to claim 1, wherein the coated stem comprises at least two splice units arranged in a circumferential direction, and splice joints between adjacent splice units are in a tooth-like structure in a direction parallel to an axis of the coated stem.
4. The vibration damping protection device according to claim 3, wherein the splicing units are provided with splicing end faces, the splicing end faces are provided with convex blocks and concave tables which are arranged in a staggered manner along the axis parallel direction of the cladding core column, the convex blocks are provided with clamping blocks in a protruding mode, the concave tables are provided with grooves in a concave mode, and the clamping blocks on each splicing unit are clamped with the grooves on the other splicing unit on the splicing end faces spliced with each other between the adjacent splicing units.
5. The vibration reduction damping protection device according to claim 1, wherein the coating core column is provided with a waterproof convex rib, the waterproof convex rib is of a frustum structure, the coating core column is sleeved with a sealing ring, the sealing ring is arranged at one end, close to the vibration reduction cylinder column, of the waterproof convex rib, the sealing section is sleeved outside the sealing ring, and the lower bottom surface of the frustum structure abuts against the outer cover body.
6. The vibration reduction damping protection device according to claim 1, wherein the vibration reduction cylinder column comprises at least two split units distributed along the circumferential direction, the split units are provided with butt end faces, the butt end faces are concavely provided with half groove bodies, the half groove bodies are provided with inclination adjusting end faces, and corresponding half groove bodies on adjacent split units jointly enclose a formed variable groove; the coating core column is connected with adjusting guide rods corresponding to the deformation grooves in number, the adjusting guide rods are arranged in the deformation grooves along the axis parallel direction of the vibration reduction cylinder column, the cross sections of the adjusting guide rods are in a fan-ring structure, the adjusting guide rods are provided with adjusting inclined planes which are propped against the inclined adjusting end faces, the adjusting inclined planes incline towards the direction close to the inclined adjusting end faces along the direction away from the coating core column, and the inclination direction of the inclined adjusting end faces is consistent with the inclination direction of the adjusting inclined planes which are propped against the inclined adjusting end faces.
7. The vibration reduction damping protection device according to claim 6, wherein the vibration reduction assembly is further provided with a telescopic ring piece used for connecting each split unit, the telescopic ring piece is arranged along the vertical direction of the axis of the vibration reduction cylinder column, the telescopic ring piece comprises a first semi-ring piece and a second semi-ring piece, two ends of the first semi-ring piece are provided with inserting cylinders, and two ends of the second semi-ring piece are inserted into the inserting cylinders; the butt joint terminal surface is followed the radial inward direction of shock attenuation section of thick bamboo post is equipped with outer loop layer and inner loop layer in proper order, the half cell body is located on the inner loop layer, outer loop layer be equipped with the height in the epitaxial section of inner loop layer, the epitaxial section is located the shock attenuation section of thick bamboo post is close to the one end of cladding stem, the epitaxial section is equipped with the confession the connecting hole that the expansion ring spare runs through.
8. The vibration reduction and damping protector according to claim 7, wherein the telescopic ring member extends outwardly in a radial direction to form a guide bar, the housing body is provided with a guide limit groove arranged in an axial direction, and the guide bar is slidably disposed in the guide limit groove.
9. Vibration damping protection device according to claim 1, characterized in that the vibration damping capsule is of spherical structure and the vibration damping capsule is an elastic energy absorbing material modified based on a piezoelectric composite and/or a shear thickening material, the piezoelectric composite being composed of piezoelectric particles and conductive particles.
10. A method of installing a vibration damping guard according to any one of claims 1 to 9, comprising:
sleeving the coated core column on the inhaul cable, and sleeving the vibration reduction cylinder column outside the coated core column;
injecting a binder into the coated core column, and extruding the vibration reduction cylinder column into the sleeve after the binder is solidified;
and sleeving the sealing section of the outer cover body outside the cladding core column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310414020.2A CN116447276A (en) | 2023-04-17 | 2023-04-17 | Vibration damping protection device and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310414020.2A CN116447276A (en) | 2023-04-17 | 2023-04-17 | Vibration damping protection device and installation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116447276A true CN116447276A (en) | 2023-07-18 |
Family
ID=87125167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310414020.2A Pending CN116447276A (en) | 2023-04-17 | 2023-04-17 | Vibration damping protection device and installation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116447276A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117966590A (en) * | 2024-03-29 | 2024-05-03 | 北京建筑大学 | Protective-energy dissipation dual-function sheath body, cable sheath and cable |
-
2023
- 2023-04-17 CN CN202310414020.2A patent/CN116447276A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117966590A (en) * | 2024-03-29 | 2024-05-03 | 北京建筑大学 | Protective-energy dissipation dual-function sheath body, cable sheath and cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116447276A (en) | Vibration damping protection device and installation method thereof | |
| KR101353512B1 (en) | Fixing unit for a outside panel of building | |
| CN110656589B (en) | Bridge expansion joint intelligent repairing device with damping effect and construction method | |
| JP2019508622A (en) | Wind generator with elastic ball / pendulum bearing | |
| CN211058107U (en) | Novel antidetonation steel construction | |
| CN200940296Y (en) | Laminated rubber supporting seat with earthquake-resistance having stretching-resistance | |
| CN206554597U (en) | A kind of SMA Tendons applied to towering cylinder tower wind dynamic control | |
| CN205637217U (en) | Double -walled steel damping antidetonation device | |
| US6386526B1 (en) | Cable stay aerodynamic damper band and method of use | |
| CN212000590U (en) | Main and auxiliary arch rib opposite-pulling device for arch bridge | |
| CN110107577B (en) | Shock absorption and energy dissipation device for bolt joint of shield tunnel | |
| CN111455994A (en) | Tuned damping type BFRP anchor cable head shock absorption yield structure and method for high-intensity seismic region | |
| CN210177349U (en) | Adjustable cable high-damping combined beam falling prevention device | |
| CN205443912U (en) | Steel damping antidetonation device | |
| CN113006143B (en) | Suspension tunnel tube joint structure | |
| CN212801513U (en) | Tuned damping type BFRP anchor cable head shock absorption yield structure for high-intensity seismic region | |
| CN113404507A (en) | Tunnel with high anti-seismic performance and manufacturing method thereof | |
| CN112664261B (en) | High-strength escape pipe convenient to socket and spigot joint and fix | |
| CN112031197B (en) | Novel damping energy dissipater device | |
| CN114908894A (en) | TOD upper cover building vibration isolation device | |
| CN201576921U (en) | Damper | |
| CN107558371B (en) | Sealing structure of inhaul cable embedded pipe orifice and method for realizing reliable sealing of inhaul cable embedded pipe orifice | |
| CN210917013U (en) | Stay cable installation and connection structure for bridge construction | |
| CN219733401U (en) | Shield segment | |
| CN214093339U (en) | Low-cost high corrosion resistant antidetonation connecting seat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |