Protective fittings
1, product fescription
In the way of high voltage overhead lines, close to the insulator on both sides of the wires are often a small hammer, the small hammer vibration hammer, is to reduce the wire for wind vibration and shame on. High voltage overhead line pole is higher, large span, when there is wind effect of conductor, vibration will happen. The wire vibration, wire hanging in the most unfavorable working conditions. Due to multiple vibration, wire for periodic bending fatigue damage will happen. When overhead line file from more than 120 meters, commonly used shock hammer shock.
T be directly installed on the opgw cables, installed with helical rods.
*calculate the installation distance, if it is within the helical rods, then installed as usual (installed on helical rods directly). If the installation position of vibration damper is outside of the helical rods, you should install helical rods. The distance between the end of the vibration damper and prot ection rods must be more than 70mm.
*the big damper weigh
t of low frequency is close to pole or tower.
*confirm the quantity per span length according to cable strength, span length and topography.
Spiral Vibration Damper
Spiral Vibration Damper reduces Vibration (the high frequency, low amplitude vibration caused by horizontal wind passing across the line. It is designed to be used on OPGW and conductors with an outside diameter less than 0.75".
Spiral Vibration Damper
Spiral vibration dampers are motion-control products designed to eliminate wind vibration that can occur across a cable span. Made of weather and corrosion resistant plastic, these transmission line vibration dampers have large spiral shaped vibration dampening sections that fit the size of the cable. A smaller clamping section gently grips the conductor. Using the recommended number of spiral dampers minimizes bending strain and protects the cable from long-term fatigue caused by breeze vibration.
Spiral Vibration Damper
Spiral vibration dampers are motion-control products designed to eliminate wind vibration that can occur across a cable span. Made of weather and corrosion resistant plastic, these dampers have large spiral shaped vibration dampening sections that fit the size of the cable. A smaller clamping section gently grips the conductor. Using the recommended number of spiral dampers minimizes bending strain and protects the cable from long-term fatigue caused by breeze vibration.
Features
Eliminates damage caused by wind vibration
Reduces overall vibration on bare conductors
Made of weather-resistant, non-corrosive plastic
Large spiral damping section sized to fit the cable and smaller gripping section gently grips the conductor
Conductor ranges are marked and color coded to indicate cable diameter size ranges
Suitable for standard and high quality span lengths
Applications.
Distribution Range
Conductors between 0.250 in. and 0.500 in. outside diameter
Spans over 800 feet
Parts List
Standards - Applies to. Bare conductors, shielded wires and OPGW
Explanatory notes. (1) When the cable diameter is 0.461" and below, a maximum of three SVDs can be installed in one position.(2) On cables larger than 0.461" diameter, only two SVDs need to be combined in order to obtain the best damping performance.
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Spiral vibration dampers, also known as helical vibration dampers, are used in the overhead transmission line industry to reduce the vibrations that occur on the conductor due to wind or other external factors. These dampers are typically made of a spiral-shaped metallic wire, which is wrapped around the conductor at regular intervals along its length.
The application of spiral vibration dampers on transmission lines helps to reduce the amplitude of conductor vibrations, which in turn reduces the stress on the line, and prevents damage and failure of the transmission system. These dampers can be installed on overhead transmission lines for both AC and DC systems.
In addition to reducing conductor vibration, spiral vibration dampers also provide protection against galloping, which is a large-amplitude, low-frequency vibration that can occur when the wind blows across the conductor. This phenomenon can cause significant damage to the transmission line and is a major concern for power companies.
Spiral Vibration Damper
PVC spiral vibration reducer damper
Preformed Cable Fittings
1. Usage and characteristics
Spiral Vibration Damper is made of engineering plastic which is high strength,aging resistance and high elastic;it will not cause any mechanical damage to the optical fiber caber.Spiral Vibration Damper is widely used in ADSS cable installation.Each Spiral Vibration Damper is composed of a short part of grip section and a long vibration attenuation section.the grip section can affective close upon the cable to make sure the spiral vibration damper is firmly fixed on the cable; the vibration attenuation section create damping effect through mutual crash with the cable,to consume the cable vibration energy,so that the Aeolian vibration on the cable can be weaken.
2. Product Specification
ModelDia.Range(mm)Length(mm)Weight(kg)
FTL 1170 1308.30-11.7013000.28
FTL 1430 13511.71-14.3013500.30
FTL 1930 16714.31-19.3016700.66
Note:Recommand Allocation number of spiral vibration damper
Span(m)Recommend Qty/Span
﹤1000
100-2502
250-4004
400-8006
800-10008
3. Packing /shipping/ Terms of Payment
Packaging: preformed guy grip according to the concrete product cartons,wooden cases (as customer's requirements)Delivery: usually,it will take about two weeks for the order of 10000 sets for productionTerms of Payment : By T/T
4. The product is also named as follows:
PVC vibration damper
Vibration Damper/ Armour Rod
Vibration Damper Armour Rod
Preformed Cable Fittings
1. Usage and characteristics
4D Vibration damper is composed of two different weight hammers stranded galvanization steel wire with high elasticity and high-intensity, and aluminum alloy clamp.
The 4D series Vibration dampers we provided are Stock-bridge Tuning Fork, with four resonant frequencies, the frequency range is from 3Hz to 150Hz. with wide frequency range, the 4D vibration damper can highly consume vibration energy, and effectively dissipate the energy caused by cable Aeolian vibration, reduce cable vibration horizontal, extend the cable service life.
Vibration Damper can be installed on both OPGW and ADSS cable. Armor rods are needed when it is installed on OPGW and ADSS cable.
Armor rods are also called Vibration damper hyperactive rods. Because of the concentrated stress, vibration damper will cause some damages to the cable. the armor rods provide proper stress distribution on the optical cable and protect the cable.
2. Product Specification
Model Clamp Dia.Range(mm)
Min.(mm) Max.(mm)
4D-20-14.0 12.2 14.0
4D-20-16.0 14.0 16.0
4D-20-18.0 15.0 18.0
4D-20-20.3 16.5 20.3
4D-20-23.4 19.5 23.4
4D-20-27.0 22.3 27.0
4D-30-14.0 12.2 14.0
4D-30-16.0 14.0 16.0
4D-30-18.0 15.0 18.0
4D-30-20.3 16.5 20.3
4D-30-23.4 19.5 23.4
4D-30-27.0 22.3 27.0
3.Packing/shipping/Terms of Payment
Packaging: preformed guy grip according to the concrete product cartons, wooden cases(as customer's requirements)
Delivery: usually, it will take about two weeks for the order of 10000sets for production
Terms of Payment: By T/T
4. The product is also named what in form as follows:
Preformedhelicalfittingsaluminiumstockbridge
CableStockbridgedamper
cablefittingstockbridgedamper
Suspension strut assembly for benz w221 oe#2213205513
We honpac shock absorber manufacturing co., ltd are one of the largest shock absorber manufactures with the fullest range of products in china. Oem, kyb, monroe, sachs, tokico parts number, customized samples, drawings or ideas are welcome.
Our main products are shock absorber, strut assembly, rubber parts and coil spring for european, american, japanese and korea cars. They can be used in truck, bus, train, freightliner and so on, we have gained great popularity all over the world. Our honpac brand has been a world-famous brand in the field of shock absorber.
For:
Audi 80
Audi 80 Avant
Audi A4
Audi A4 Avant
Audi A6
Audi A6 Avant
Audi Cabriolet
Ford Galaxy
Seat Alhambra
Seat Arosa
Seat Cordoba
Seat Ibiza
Seat Inca
Seat Toledo I
Vw Caddy Ii Box
Vw Golf III
Vw Golf Iv
Vw Lupo
Vw Passat
Vw Polo
Vw Sharan
Vw Vento
OEM NO.:
9157004
90411774
90530125
9158004
5636738
0636726
0636737
For:
Daewoo Nubira
Daewoo Nubira Saloon
Daewoo Nubira Wagon
Daewoo Rezzo
Lada 110 2.0i
Opel Satra F
Opel Satra G
Opel Calibra A
Opel Frontera A
Opel Kadette Combo
Opel Kadette Hatchback
Opel Omega B
Opel Sintra 2.2i
Opel Vectra A
Opel Vectra B
Vauxhall Astra
Vauxhall Astravan
Vauxhall Calibra
Vauxhall Cavalier
Vauxhall Frontera
Vauxhall Omega
Vauxhall Sintra
Vauxhall Vectra
Type: shock absorber spring material: steel shock absorber type: gas-filled
Position: rear car make: toyota lexus gs300 jzs147 oe no.: 341265
Place of origin:jiangsu china (mainland) brand name: honpac or your own brand name model number: 341265
We honpac shock absorber manufacturing co., ltd are one of the largest shock absorber manufactures with the fullest range of products in china. Oem, kyb, monroe, sachs, tokico parts number, customized samples, drawings or ideas
Packaging detail: inner packing, single industrial paper or plastic drum, outer carton; or as clients demands
Delivery detail: stock delivery 7 days, 45 days for mass order.
Oem no: 48510-0k190
s, train, freightliner and so on, we have gained great popularity all over the world. Our honpac brand has been a world-famous brand in the field of shock absorber.
Position: front car make: toyota oe no.: 48510-0k190 485100k190
Brand name: honpac or your own brand name
d so on, we have gained great popularity all over the world. Our honpac brand has been a world-famous brand in the field of shock absorber.
Spring vibration isolator - Used for reducing vibrations being transmitted to the floor by machines
These vibrations can be dampened upto 98.5% efficiency
Diesel engines like cummins/ caterpillar/ komatsu engines.We also undertake development for many new products like vibration dampers, oil pumps, pistons, liners, cylinder heads, piston rings
